1. The utility model provides a become reed device that warp density was weavingd, includes lift reed board, its characterized in that: the left side and the right side of the rear part of the lifting reed plate are respectively provided with a group of reed lifting modules; a plurality of groups of tensionable variable-diameter reed modules are arranged in parallel on the front side of the lifting reed plate; the tensionable reducing reed module comprises a left supporting block, a right supporting block and a plurality of groups of reed blades positioned between the left supporting block and the right supporting block, wherein the lower ends of the left supporting block and the right supporting block are provided with lower locking components capable of locking the lower end positions of the plurality of groups of reed blades; an upper adjusting assembly capable of adjusting the tightness of a plurality of groups of reed blades is arranged between the upper parts of the left supporting block and the right supporting block; the upper part and the lower part of each group of reed blades are respectively provided with a U-shaped groove, and the U-shaped grooves of the multiple groups of reed blades form arc-shaped clamping grooves which are an upper arc-shaped clamping groove and a lower arc-shaped clamping groove respectively; the lower locking assembly comprises a lower reed groove block fixed at the lower parts of the left and right supporting blocks and a lower clamping groove reed locking block fastened and locked at the front side of the lower reed groove block, and the lower reed groove block and the lower clamping groove reed locking block can lock the lower end positions of a plurality of groups of reed blades through a lower arc-shaped clamping groove; the upper adjusting assembly comprises an upper reed groove adjusting block which is slidably arranged between the left supporting block and the right supporting block, a row of steel reed blade clamping grooves are formed in the upper reed groove adjusting block, the row of steel reed blade clamping grooves form an arc-shaped structure, and a steel wire is arranged in the arc-shaped clamping grooves at the upper ends of the plurality of groups of steel reed blades and used for locking the upper end positions of the plurality of groups of steel reed blades and locked by an upper cover plate; the upper ends of a plurality of groups of reed blades are clamped in the upper adjusting assembly, and the lower ends of a plurality of groups of reed blades are clamped in the lower locking assembly to form fan-shaped reed blades; an upper beam block is arranged between the upper parts of the left and right supporting blocks, and an adjusting bolt assembly capable of tensioning reed blades is arranged between the upper beam block and the upper reed groove adjusting block.

2. A reed device for variable warp density weaving according to claim 1, characterized in that: the reed lifting module comprises a reed lifting motor fixing plate, a reed lifting motor, a module fixing plate, a lead screw fixing seat, a lifting lead screw nut, a lifting block, a lifting slider, a lifting linear guide rail and a lifting connecting plate, wherein the reed lifting motor is fixed below the reed lifting motor fixing plate; the main shaft of the reed lifting motor is connected with a lifting screw rod through a coupler, the upper end and the lower end of the lifting screw rod are respectively arranged on corresponding screw rod fixing seats through bearings, a lifting screw rod nut is arranged on the lifting screw rod in a matched mode, and a lifting block is sleeved on the lifting screw rod nut; the rear side of the lifting block is connected with a lifting slide block, the lifting slide block is installed on the lifting linear guide rail in a matching mode, and the front side of the lifting block is connected with a lifting connecting plate.

3. A reed device for variable warp density weaving according to claim 2, characterized in that: an upper limit sensor mounting frame is installed on the upper side of the side portion of the module fixing plate, a lower limit sensor mounting frame is installed on the lower side of the module fixing plate, limit sensors are installed on the upper limit sensor mounting frame and the lower limit sensor mounting frame respectively, and proximity switches which are inducted with the limit sensors are installed on the side portion of the lifting block.

4. A reed device for variable warp density weaving according to claim 3, characterized in that: the left side and the right side of the lifting reed plate are respectively fixed on a lifting connecting plate of the reed lifting module through bolts, and square grooves for reducing the weight of the reed lifting reed plate are arranged on the lifting reed plate and between two adjacent groups of tensionable reducing reed modules.

5. A reed device for variable warp density weaving according to claim 1, characterized in that: the left supporting block and the right supporting block are identical in structure, the lower reed groove block is fixed to the lower ends of the left supporting block and the right supporting block through bolts a, and the upper cross beam block is fixed between the lower portions of the left supporting block and the right supporting block through bolts b.

6. A reed device for variable warp density weaving according to claim 1, characterized in that: the middle part of the front side surface of the lower reed groove block is provided with a trapezoidal groove with a large upper part and a small lower part and an arc groove communicated with the trapezoidal groove, the arc grooves are symmetrically arranged at two sides of the trapezoidal groove, and the back of the lower clamping groove reed locking block is provided with an annular convex strip attached to the arc groove; the lower extreme of multiunit the reed piece stretches into in the dovetail groove, and the both ends card of the annular sand grip at the back of lower draw-in groove lock reed piece is in the arc wall, and the centre card of annular sand grip is in lower arc draw-in groove.

7. A reed device for variable warp density weaving according to claim 1, characterized in that: the inner sides of the left supporting block and the right supporting block are respectively provided with a sliding groove, the two sides of the upper reed groove adjusting block are respectively provided with a convex block matched with the sliding groove, and the upper reed groove adjusting block can move up and down along the sliding groove.

8. A reed device for variable warp density weaving according to claim 1, characterized in that: go up reed groove adjusting block's front side and be equipped with about and run through the groove, about run through the groove and will go up reed groove adjusting block and divide into connecting portion and lower connecting portion, go up and be equipped with three screw hole a of group on the connecting portion, be equipped with on the upper cover plate with three mounting hole a of three group that screw hole a's position corresponds, lock the upper cover plate on last reed groove adjusting block through bolt c, be equipped with one row of steel reed piece draw-in groove on the lower connecting portion, the radian of going up the arc draw-in groove is unanimous with the radian of the arc structure that forms on one row of steel reed piece draw-in groove.

9. A reed device for variable warp density weaving according to claim 1, characterized in that: the upper beam block is provided with two groups of counter bores, the upper end of the upper reed groove adjusting block is provided with two groups of threaded holes b, the adjusting bolt assembly comprises two groups of tensioning bolts and two groups of nuts, the nuts are installed on the tensioning bolts in a matched mode, the tensioning bolts penetrate through the lower ends of the counter bores and are locked in the threaded holes b in the upper end of the upper reed groove adjusting block, the nuts are located on the upper portion of the upper reed groove adjusting block, and the upper reed groove adjusting block can be lifted by screwing the nuts.

10. A reed device for variable warp density weaving according to claim 1, characterized in that: the two ends of the upper crossbeam block are respectively provided with a threaded hole c, the upper parts of the left and right supporting blocks are provided with mounting holes, and the upper crossbeam block is arranged between the left and right supporting blocks by a bolt b penetrating through the mounting holes and locked in the threaded hole c at the end part of the upper crossbeam block.

Background

The common reed of the existing shuttle loom is a reed with the same upper and lower reed densities, the upper and lower heights are about 10CM, and the weaving of common warp density fabrics can only be met. The requirement of weaving can't be satisfied in current reed structure and processing, firstly because structural strength and stability that whole high increase leads to are not enough, secondly because there is the difference in fan-shaped reed processing reed piece size, lead to different positions reed piece rate of tension different, and some reed pieces are tight, and some reed pieces are pine, and it is poor to weave the quality. In order to meet the requirements of variable warp density and variable diameter of the variable-diameter tubular fabric and the wide and narrow strips, fan-shaped reeds with different reed densities and heights of about 20CM are required. It is desirable to provide a reed device that is variable warp density woven.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide a reed device for weaving with variable warp density, which is used for weaving a variable-diameter tubular fabric and a variable-warp-density wide and narrow strip, stabilizing a cloth fell and lifting the reed to enable warp yarns penetrating through the reed device to be in different reed density areas so as to achieve the purpose of changing the density of the warp yarns and the width of the cloth fell.

The technical solution of the invention is as follows:

a reed device for warp density changing weaving comprises a lifting reed plate, wherein a group of reed lifting modules are respectively arranged on the left side and the right side of the rear part of the lifting reed plate; a plurality of groups of tensionable variable-diameter reed modules are arranged in parallel on the front side of the lifting reed plate; the tensionable reducing reed module comprises a left supporting block, a right supporting block and a plurality of groups of reed blades positioned between the left supporting block and the right supporting block, wherein the lower ends of the left supporting block and the right supporting block are provided with lower locking components capable of locking the lower end positions of the plurality of groups of reed blades; an upper adjusting assembly capable of adjusting the tightness of a plurality of groups of reed blades is arranged between the upper parts of the left supporting block and the right supporting block; the upper part and the lower part of each group of reed blades are respectively provided with a U-shaped groove, and the U-shaped grooves of the multiple groups of reed blades form arc-shaped clamping grooves which are an upper arc-shaped clamping groove and a lower arc-shaped clamping groove respectively; the lower locking assembly comprises a lower reed groove block fixed at the lower parts of the left and right supporting blocks and a lower clamping groove reed locking block fastened and locked at the front side of the lower reed groove block, and the lower reed groove block and the lower clamping groove reed locking block can lock the lower end positions of a plurality of groups of reed blades through a lower arc-shaped clamping groove; the upper adjusting assembly comprises an upper reed groove adjusting block which is slidably arranged between the left supporting block and the right supporting block, a row of steel reed blade clamping grooves are formed in the upper reed groove adjusting block, the row of steel reed blade clamping grooves form an arc-shaped structure, and a steel wire is arranged in the arc-shaped clamping grooves at the upper ends of the plurality of groups of steel reed blades and used for locking the upper end positions of the plurality of groups of steel reed blades and locked by an upper cover plate; the upper ends of a plurality of groups of reed blades are clamped in the upper adjusting assembly, and the lower ends of a plurality of groups of reed blades are clamped in the lower locking assembly to form fan-shaped reed blades; an upper beam block is arranged between the upper parts of the left and right supporting blocks, and an adjusting bolt assembly capable of tensioning reed blades is arranged between the upper beam block and the upper reed groove adjusting block.

Preferably, the reed lifting module comprises a reed lifting motor fixing plate, a reed lifting motor, a module fixing plate, a lead screw fixing seat, a lifting lead screw nut, a lifting block, a lifting slider, a lifting linear guide rail and a lifting connecting plate, wherein the reed lifting motor is fixed below the reed lifting motor fixing plate, the module fixing plate is fixed on the rear side above the reed lifting motor fixing plate, the lead screw fixing seat is respectively fixed on the upper part and the lower part of the module fixing plate, and the lifting linear guide rail is fixed in the middle of the front side of the module fixing plate; the main shaft of the reed lifting motor is connected with a lifting screw rod through a coupler, the upper end and the lower end of the lifting screw rod are respectively arranged on corresponding screw rod fixing seats through bearings, a lifting screw rod nut is arranged on the lifting screw rod in a matched mode, and a lifting block is sleeved on the lifting screw rod nut; the rear side of the lifting block is connected with a lifting slide block, the lifting slide block is installed on the lifting linear guide rail in a matching mode, and the front side of the lifting block is connected with a lifting connecting plate.

Preferably, the upper limit sensor mounting frame is installed on the upper side of the side part of the module fixing plate, the lower limit sensor mounting frame is installed on the lower side of the side part of the module fixing plate, limit sensors are installed on the upper limit sensor mounting frame and the lower limit sensor mounting frame respectively, and proximity switches which are inducted with the limit sensors are installed on the side part of the lifting block.

Preferably, the left side and the right side of the lifting reed plate are respectively fixed on the lifting connecting plates of the reed lifting modules through bolts, and square grooves for reducing the weight of the lifting reed plate are arranged on the lifting reed plate and between two adjacent groups of tensionable variable-diameter reed modules.

Preferably, the left supporting block and the right supporting block have the same structure, the lower reed groove block is fixed at the lower ends of the left supporting block and the right supporting block through a bolt a, and the upper crossbeam block is fixed between the lower parts of the left supporting block and the right supporting block through a bolt b.

Preferably, the middle part of the front side surface of the lower reed groove block is provided with a trapezoidal groove with a large upper part and a small lower part and an arc groove communicated with the trapezoidal groove, the arc grooves are symmetrically arranged at two sides of the trapezoidal groove, and the back of the lower clamping groove reed locking piece block is provided with an annular convex strip attached to the arc groove; the lower extreme of multiunit the reed piece stretches into in the dovetail groove, and the both ends card of the annular sand grip at the back of lower draw-in groove lock reed piece is in the arc wall, and the centre card of annular sand grip is in lower arc draw-in groove.

Preferably, the inner sides of the left and right supporting blocks are respectively provided with a sliding groove, the two sides of the upper reed groove adjusting block are respectively provided with a convex block matched with the sliding groove, and the upper reed groove adjusting block can move up and down along the sliding groove.

Preferably, the front side of the upper reed groove adjusting block is provided with a left through groove and a right through groove, the left through groove and the right through groove divide the upper reed groove adjusting block into an upper connecting part and a lower connecting part, the upper connecting part is provided with three groups of threaded holes a, the upper cover plate is provided with three groups of mounting holes a corresponding to the positions of the three groups of threaded holes a, the upper cover plate is locked on the upper reed groove adjusting block through bolts c, the lower connecting part is provided with a row of steel reed sheet clamping grooves, and the radian of the upper arc clamping grooves is consistent with the radian of arc structures formed on the row of steel reed sheet clamping grooves.

Preferably, the upper beam block is provided with two groups of counter bores, the upper end of the upper reed groove adjusting block is provided with two groups of threaded holes b, the adjusting bolt assembly comprises two groups of tensioning bolts and two groups of nuts, the nuts are installed on the tensioning bolts in a matched mode, the tensioning bolts penetrate through the counter bores, the lower ends of the tensioning bolts are locked in the threaded holes b in the upper end of the upper reed groove adjusting block, the nuts are located on the upper portion of the upper reed groove adjusting block, and the upper reed groove adjusting block can be lifted by screwing the nuts.

Preferably, both ends of the upper crossbeam block are respectively provided with a threaded hole c, the upper parts of the left and right supporting blocks are provided with mounting holes, and the upper crossbeam block is arranged between the left and right supporting blocks by a bolt b which passes through the mounting holes and is locked in the threaded hole c at the end part of the upper crossbeam block.

The invention has the beneficial effects that:

the left side and the right side of the rear part of a lifting reed plate are respectively provided with a group of reed lifting modules, the tensionable variable diameter reed modules are arranged and installed on the lifting reed plate, four groups of reed installation positions are arranged on the lifting reed plate, the lower ends of a left supporting block and a right supporting block are provided with lower locking components capable of locking the lower end positions of a plurality of groups of reed blades, an upper adjusting component capable of adjusting the tightness of the plurality of groups of reed blades is arranged between the upper parts of the left supporting block and the right supporting block, the lower locking components can lock and position the lower end positions of the plurality of groups of reed blades, the lower ends of tensioning bolts of the upper adjusting components are locked at the upper end of an upper reed groove adjusting block, nuts are positioned at the upper part of the upper reed groove adjusting block, the upper reed groove adjusting block can move up and down under the tension of the tensioning bolts by screwing the nuts, so as to adjust the tightness of the reed blades, and the upper reed groove adjusting block can be lifted by screwing the nuts, the steel reed blades are locked on the upper reed groove adjusting block, and therefore the steel reed blades are tensioned, and the requirement of high-quality weaving quality is met. The invention is used for weaving reducing tubular fabrics and width bands with variable warp density, stabilizes the cloth fell, and lifts the reed to enable the warp yarns penetrating through the reed to be in different reed density areas, thereby achieving the purpose of changing the warp density and the cloth fell width.

Drawings

The invention is further described below with reference to the accompanying drawings:

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a front view of the present invention.

Fig. 3 is a schematic structural view of the reed lifting module of the present invention.

Fig. 4 is a schematic structural view of the tensionable reducing reed module of the present invention.

Fig. 5 is an exploded view of the tension variable diameter reed module of the present invention.

Figure 6 is a schematic view of the structure of the reed blades of the present invention.

Fig. 7 is a schematic structural diagram of a lower reed groove block and a lower card groove reed locking piece block of the invention.

Fig. 8 is a schematic structural view of the upper reed groove adjusting block of the present invention.

Fig. 9 is a schematic view showing the structure of the fan-shaped steel reed wire and the steel wire according to the present invention.

In FIGS. 1 to 9: i, a reed lifting module; II, tensioning the variable-diameter reed module; 1-a left support block; 2-a right support block; 3-reed blades; 301-U-shaped groove; 4, arranging a reed groove block; 401-trapezoidal groove; 402-an arc-shaped groove; 5, locking reed pieces by a lower clamping groove; 501, annular convex strips; 6, an upper reed groove adjusting block; 601-steel reed wire clamping groove; 602-left and right through slots; 603 — an upper connecting part; 604-lower connection; 605-threaded hole a; 606-threaded hole b; 7-steel wire; 8, an upper cover plate; 801-mounting hole a; 9-an upper crossbeam block; 901-counter bore; 902-a threaded hole c; 10-bolt a; 11-bolt b; 12-a chute; 13-bolt c; 14-a tension bolt; 15-a nut; 16-bolt d; 20-lifting reed plate; 2001-Reed lifting motor fixing plate; 2002-reed hoist motor; 2003-module fixing plate; 2004-lead screw fixing seat; 2005-lifting screw rod; 2006-a lifting block; 2007-lifting slide block; 2008, lifting the linear guide rail; 2009-lifting connecting plates; 2010-upper limit sensor mount; 2011-lower limit sensor mount.

Detailed Description

In the embodiment, as shown in attached figures 1-9, a reed device for variable warp density weaving comprises a lifting reed plate 20, wherein a group of reed lifting modules I are respectively arranged on the left side and the right side of the rear part of the lifting reed plate; and a plurality of groups of tensionable variable-diameter reed modules II are arranged side by side on the front side of the lifting reed plate.

The reed lifting module comprises a reed lifting motor fixing plate 2001, a reed lifting motor 2002, a module fixing plate 2003, a lead screw fixing seat 2004, a lifting lead screw 2005, a lifting lead screw nut, a lifting block 2006, a lifting slider 2007, a lifting linear guide 2008 and a lifting connecting plate 2009, wherein the reed lifting motor is fixed below the reed lifting motor fixing plate, the module fixing plate is fixed on the rear side above the reed lifting motor fixing plate, the lead screw fixing seats are respectively fixed on the upper part and the lower part of the module fixing plate, and the lifting linear guide is fixed in the middle of the front side of the module fixing plate; the main shaft of the reed lifting motor is connected with a lifting screw rod through a coupler, the upper end and the lower end of the lifting screw rod are respectively arranged on corresponding screw rod fixing seats through bearings, a lifting screw rod nut is arranged on the lifting screw rod in a matched mode, and a lifting block is sleeved on the lifting screw rod nut; the rear side of the lifting block is connected with a lifting slide block, the lifting slide block is installed on the lifting linear guide rail in a matched mode, the front side of the lifting block is connected with a lifting connecting plate, and the lifting linear guide rail is arranged to limit lifting verticality.

An upper limit sensor mounting rack 2010 is mounted on the upper side of the side part of the module fixing plate, a lower limit sensor mounting rack 2011 is mounted on the lower side of the side part of the module fixing plate, limit sensors are respectively mounted on the upper limit sensor mounting rack and the lower limit sensor mounting rack, proximity switches which are sensed by the limit sensors are mounted on the side part of the lifting block, and the lifting position is limited to prevent exceeding of a stroke to generate mechanical collision.

The left and right sides of lift reed board is respectively through the bolt fastening on the lift connecting plate of reed lift module, and in this embodiment, the left and right both ends of lift reed board are provided with four groups of installation slot holes respectively, pass installation slot hole and locking connection on the lift connecting plate through the bolt, and the installation slot hole is convenient for the mounted position control to be adjusted. And a square groove for reducing the weight of the tension variable-diameter reed module is arranged on the lifting reed plate and between the two adjacent groups of tension variable-diameter reed modules.

The reed lifting motor drives the lifting screw rod to rotate, so that the lifting screw rod nut drives the lifting block to move under the guiding effect of the lifting linear guide rail, and the lifting reed plate achieves up-and-down lifting movement. The lifting position of the reed can be accurately and randomly controlled by the driving of the reed lifting motor, so that the weaving requirement of the change of the cloth fell warp density is met, and the variable-diameter high-quality weaving of the fabric is realized.

The tensionable reducing reed module comprises a left supporting block 1, a right supporting block 2 and a plurality of groups of reed blades 3 positioned between the left supporting block and the right supporting block, wherein the lower ends of the left supporting block and the right supporting block are provided with lower locking assemblies capable of locking the lower end positions of the plurality of groups of reed blades; the upper part and the lower part of each group of reed blades are respectively provided with a U-shaped groove 301, and the U-shaped grooves of the multiple groups of reed blades form arc-shaped clamping grooves which are an upper arc-shaped clamping groove and a lower arc-shaped clamping groove respectively; the U-shaped notch that the lower extreme of each reed piece was provided with is used for locking mutually with the annular sand grip of lower draw-in groove lock reed piece, and the U-shaped notch that the upper end of each reed piece was provided with is used for locking mutually with reed piece draw-in groove and steel wire, is convenient for exert the tensile stress of tensioning reed piece.

The lower locking assembly comprises a lower reed groove block 4 fixed at the lower parts of the left and right supporting blocks and a lower clamping groove reed locking block 5 locked and locked at the front side of the lower reed groove block, and the lower reed groove block and the lower clamping groove reed locking block can lock the lower end positions of a plurality of groups of reed blades through lower arc-shaped clamping grooves; the left and right supporting blocks are used for supporting the external structure of the fan-shaped reed and enhancing the overall strength of the fan-shaped reed.

The middle part of the front side surface of the lower reed groove block is provided with a trapezoidal groove 401 with a large upper part and a small lower part and an arc groove 402 communicated with the trapezoidal groove, the arc grooves are symmetrically arranged at two sides of the trapezoidal groove, and the back of the lower clamping groove reed locking block is provided with an annular convex strip 501 attached to the arc groove; the lower extreme of multiunit reed piece 3 stretches into trapezoidal groove 401 in, the both ends card of the annular sand grip 501 at the back of lower draw-in groove lock reed piece is in the arc wall, and the centre card of annular sand grip is in the lower arc draw-in groove of multiunit reed piece. Like this through the annular sand grip of arc wall and lower draw-in groove lock reed piece laminating mutually, the annular sand grip is detained in the arc draw-in groove of multiunit reed piece simultaneously, locks the lower extreme position of multiunit reed piece.

An upper adjusting assembly capable of adjusting the tightness of a plurality of groups of reed blades is arranged between the upper parts of the left supporting block and the right supporting block; the upper adjusting assembly comprises an upper reed groove adjusting block 6 which is slidably arranged between the left supporting block and the right supporting block, a row of steel reed blade clamping grooves 601 are formed in the upper reed groove adjusting block and used for clamping the upper end of each steel reed blade into a groove so as to control the reed density at the uppermost position of each steel reed blade, the steel reed blade clamping grooves form an arc-shaped structure, the upper ends of a plurality of groups of steel reed blades are clamped in the corresponding steel reed blade clamping grooves, the lower ends of the steel reed blades are clamped in the lower locking assembly to form fan-shaped steel reed blades, and a steel wire 7 used for locking the upper end positions of the steel reed blades is arranged in the upper arc-shaped clamping grooves of the steel reed blades and is locked by an upper cover plate 8; the upper ends of a plurality of groups of reed blades are clamped in the upper adjusting assembly, and the lower ends of a plurality of groups of reed blades are clamped in the lower locking assembly to form fan-shaped reed blades; an upper beam block 9 is arranged between the upper parts of the left and right supporting blocks, and an adjusting bolt assembly capable of tensioning reed blades is arranged between the upper beam block and the upper reed groove adjusting block.

The left supporting block and the right supporting block are identical in structure, the lower reed groove block is fixed to the lower ends of the left supporting block and the right supporting block through a bolt a10, and the upper crossbeam block is fixed between the lower portions of the left supporting block and the right supporting block through a bolt b 11.

The inner sides of the left supporting block and the right supporting block are respectively provided with a sliding groove 12, the two sides of the upper reed groove adjusting block are respectively provided with a convex block matched with the sliding groove, and the upper reed groove adjusting block can move up and down along the sliding groove.

Go up the front side of reed groove adjusting block and be equipped with about and run through groove 602, about run through the groove and will go up the reed groove adjusting block and divide into connecting portion 603 and lower connecting portion 604, be equipped with three screw hole a605 of group on going up the connecting portion, be equipped with on the upper cover plate with three mounting hole a801 of group that screw hole a's position corresponds, lock the upper cover plate on last reed groove adjusting block through bolt c13, be equipped with one row of steel reed piece draw-in groove 601 on the lower connecting portion, the radian of going up the arc draw-in groove is unanimous with the radian of the arc structure that forms on one row of steel reed piece draw-in groove.

The upper beam block is provided with two groups of counter bores 901, the upper end of the upper reed groove adjusting block is provided with two groups of threaded holes b606, the adjusting bolt assembly comprises two groups of tensioning bolts 14 and two groups of nuts 15, the nuts are arranged on the tensioning bolts in a matched mode, the tensioning bolts penetrate through the counter bores, the lower ends of the tensioning bolts are locked in the threaded holes b in the upper end of the upper reed groove adjusting block, the nuts are located on the upper portion of the upper reed groove adjusting block, and the upper reed groove adjusting block can be lifted by screwing the nuts. Therefore, the steel reed blades are locked on the upper reed groove adjusting block, and the steel reed blades are tensioned, so that the requirement of high-quality weaving quality is met. Go up the spout that going up reed groove adjusting block was provided with on left branch dagger, right branch dagger inboard side and remove, swivel nut can make and go up the reed groove adjusting block and reciprocate under the pulling force effect of tie bolt to the elasticity of adjustment reed piece.

Two ends of the upper crossbeam block are respectively provided with a threaded hole c902, the upper parts of the left and right supporting blocks are provided with mounting holes, and the upper crossbeam block is arranged between the left and right supporting blocks by a bolt b11 which passes through the mounting holes and is locked in the threaded hole c902 at the end part of the upper crossbeam block.

The reed groove block 4 is provided with mounting holes at two sides of the trapezoid groove, two groups of threaded holes are arranged at positions corresponding to the mounting holes in the two groups of lower reed groove blocks 4 on the lower clamp groove reed locking block 5, and the lower clamp groove reed locking block is locked with the lower reed groove block 4 by penetrating the mounting holes through bolts d 16.

The working principle of the invention is as follows: the reed lifting motor drives the lifting screw rod to rotate, so that the lifting screw rod nut drives the lifting block to move under the guiding action of the lifting linear guide rail, the lifting reed plate can move up and down, the lifting position of reed blades can be accurately controlled, meanwhile, the lower end positions of a plurality of groups of reed blades are locked and fixed through the lower locking assembly, the upper end positions of the plurality of groups of reed blades can be adjusted through the upper adjusting assembly, the plurality of groups of reed blades between the lower locking assembly and the upper adjusting assembly form a fan-shaped reed, and the warp yarns penetrating through the fan-shaped reed can be located in different reed dense areas through the lifting fan-shaped reed, so that the purposes of changing the density and the width of a weaving opening are achieved, the variable-diameter high-quality weaving of the fabric is realized, and the variable-diameter tubular fabric and the variable-warp-dense narrow band can be woven.

The above embodiments are specific descriptions of the present invention, which are only used for further illustration, and should not be construed as limiting the scope of the present invention, and the non-essential modifications and adaptations by those skilled in the art according to the above disclosure are within the scope of the present invention.