High-efficient brickmaking machine

文档序号:445 发布日期:2021-09-17 浏览:59次 中文

1. An efficient brick making machine, comprising:

the extrusion mechanism (1) comprises a base (101), a mixing component, an installation frame (102) and a motor (105), wherein the installation frame (102) is fixedly connected to the top of the base (101), a discharge hole is formed in the rear surface of the installation frame (102) close to the edge of the bottom of the installation frame, a material injection frame (104) is fixedly connected to the top of the installation frame (102), a limiting block (103) is fixedly connected to the bottom of the base (101) and located inside the installation frame (102), an ejection hole is formed in the center of the bottom of the base (101), the mixing component is arranged on the installation frame (102), and the motor (105) is fixedly connected to the installation frame (102); and

forming mechanism (2), forming mechanism (2) are including end piece (201), two first fixed plates (208), two second fixed plates, first cutting part and second cutting part, end piece (201) fixed connection is on base (101), two equal fixed connection in base (101) top of first fixed plate (208), two fixedly connected with retaining frame (209) between first fixed plate (208) top, the inside bottom surface of retaining frame (209) runs through there is sponge piece (210), two equal fixed connection in end piece (201) bottom of second fixed plate, first cutting part sets up on two first fixed plates (208) and two second fixed plates, the second cutting part sets up on end piece (201).

2. A high efficiency brick making machine as defined in claim 1, further comprising: the top of the base (101) is located on one side of the mounting frame (102) and is provided with a sliding groove, and a base plate (111) and a limiting plate (112) are embedded in the sliding groove in a sliding mode.

3. A high efficiency brick making machine as claimed in claim 2, wherein: the top of the base (101) is located on one side of the mounting frame (102) and is fixedly connected with an extrusion frame (108), and a placing groove is formed in the top of the extrusion frame (108) close to the center of the front side edge.

4. A high efficiency brick making machine as claimed in claim 3, wherein: the rear surface of the mounting frame (102) is close to the center and is fixedly connected with a clamping plate (109) through a bolt, and the bottom of the clamping plate (109) extends to the inside of the placing groove.

5. A high efficiency brick making machine as claimed in claim 3, wherein: the inside and lie in backing plate (111) top slip of extrusion frame (108) and inlay and be equipped with support piece (110), the inside and the installing frame (102) of extrusion frame (108) are inside to be passed through the discharge gate intercommunication.

6. A high efficiency brick making machine as defined in claim 1, further comprising: the hybrid component includes two first pivots, second pivot and carries axle (106), two first pivot and carry axle (106) all rotate to be connected between the relative interior table wall in installing frame (102) both sides, and two first pivot one end all extend to installing frame (102) outside, the second pivot is rotated and is connected in installing frame (102) front surface.

7. A high efficiency brick making machine as claimed in claim 6, wherein: two first pivot surface is located inside all the cover of stopper (103) and is equipped with squeeze roll (107), one of them connect through belt pulley and belt drive between the output of first pivot and motor (105), and one of them also connect through belt pulley and belt drive between first pivot and the second pivot, another first pivot surface is close to front end edge department's cover and is equipped with the gear.

8. A high efficiency brick making machine as claimed in claim 7, wherein: the edge of the outer surface of the second rotating shaft, which is close to one end, is also sleeved with a gear, and the gear is meshed and connected with the gear.

9. A high efficiency brick making machine as defined in claim 1, further comprising: bottom piece (201) front surface is close to equal fixedly connected with locating piece (205) in two corners in bottom, every locating piece (205) a set of supporting spring (206) of the equal fixedly connected with in top, and is two sets of fixedly connected with vibration frame (207) between supporting spring (206) top, vibration frame (207) inside bottom surface fixedly connected with vibrating motor (208).

10. A high efficiency brick making machine as defined in claim 1, further comprising: first cutting member includes two threaded rods (211) and changes (216), two threaded rod (211) rotates respectively and connects between two first fixed plates (208) and two second fixed plates, one of them threaded rod (211) surface equidistance threaded connection has a plurality of first regulation circles (212), another threaded rod (211) surface equidistance threaded connection has a plurality of second to adjust the circle, change (216) to rotate and connect in base (101) one side surface, change and all connect through belt pulley and belt drive (216) surface and two threaded rods (211).

Background

The brick making machine is a mechanical device for producing bricks, generally utilizes mountain flour, fly ash, furnace slag, broken stones, sand, water and the like as raw materials, efficiently utilizes the fly ash, the furnace slag, the mountain flour, desulfurized ash, slag, coal gangue, phosphogypsum, tailing sand and the like to produce novel walling materials, such as autoclaved fly ash bricks, autoclaved sand-lime bricks, aerated concrete products and the like, but in the prior art, due to the limitation of the structure, the brick making machine can further cause more support materials to be remained in the brick making machine after the brick making is finished, further more resources are easily wasted, and meanwhile, the cleaning treatment of the equipment is not easy to be carried out.

Disclosure of Invention

The invention aims to: by starting the motor, the motor can effectively drive the two first rotating shafts and the conveying shaft to rotate through the belt pulley, the belt and the gear, so that the two first rotating shafts can effectively drive the two extrusion rollers to rotate oppositely, raw materials can be conveniently and rapidly put between the two extrusion rollers through the material injection frame, the raw materials can be effectively conveyed to the conveying shaft under the extrusion of the two extrusion rollers, the extruded raw materials are effectively conveyed to the inside of the extrusion frame through the discharge port by the conveying shaft, the raw materials injected into the inside of the extrusion frame can fully fill the inside of the extrusion frame under the obstruction of the abutting block, further, the raw materials are effectively subjected to preliminary shape pressing, the abutting block can be effectively ejected out of the extrusion frame by the raw materials along with the increase of the quantity of the raw materials injected into the inside of the extrusion frame, the abutting block is taken out after being moved out of the extrusion frame, and then the raw materials can continuously move towards the forming mechanism in a certain shape, can effectively separate into many shares by the cutting wire when the raw materials removes through the cutting wire, when the raw materials after the preliminary cutting reachd the bottom block top, carry out the pushing down of certain frequency according to actual demand and remove the strip, and then make and remove the strip and can effectively drive the cutting frame and carry out the shaping cutting processing of raw materials, and then make equipment can effectively carry out the preparation of fragment of brick, simultaneously through rotatory change can effectively adjust first regulation circle and second regulation circle position, carry out the dismantlement of the cutting wire of different positions simultaneously, and then make equipment can effectively carry out the cutting processing of different specification fragments of brick, and then effectively improve equipment in-service use universality.

The technical scheme adopted by the invention is as follows: an efficient brick making machine comprising:

the extruding mechanism comprises a base, a mixing component, an installation frame and a motor, wherein the installation frame is fixedly connected to the top of the base, a discharge hole is formed in the rear surface of the installation frame, which is close to the edge of the bottom of the installation frame, the top of the installation frame is fixedly connected with a material injection frame, a limiting block is fixedly connected to the bottom of the base and positioned in the installation frame, a discharge hole is formed in the center of the bottom of the base, the mixing component is arranged on the installation frame, and the motor is fixedly connected to the installation frame; and

forming mechanism, forming mechanism includes end piece, two first fixed plates, two second fixed plates, first cutting part and second cutting part, end piece fixed connection is on the base, two the equal fixed connection of first fixed plate is in the base top, two fixedly connected with retaining frame between the first fixed plate top, the inside bottom surface of retaining frame runs through there is the sponge piece, two the equal fixed connection of second fixed plate is in end piece bottom, first cutting part sets up on two first fixed plates and two second fixed plates, second cutting part sets up on end piece.

The base top is located installing frame one side and has seted up the spout, inside slip of spout inlays and is equipped with backing plate and limiting plate.

The base top is located one side of the mounting frame and is fixedly connected with the extrusion frame, and a placing groove is formed in the position, close to the center of the front side edge, of the top of the extrusion frame.

The clamping plate is fixedly connected to the position, close to the center, of the rear surface of the mounting frame through bolts, and the bottom of the clamping plate extends to the inside of the placing groove.

The extrusion frame is internally and slidably embedded with a support block above the base plate, and the extrusion frame is communicated with the mounting frame through a discharge port.

The mixing part comprises two first rotating shafts, a second rotating shaft and a conveying shaft, the first rotating shafts and the conveying shaft are connected between the two opposite inner surface walls of the two sides of the mounting frame in a rotating mode, one ends of the two first rotating shafts extend to the outside of the mounting frame, and the second rotating shaft is connected to the front surface of the mounting frame in a rotating mode.

Wherein, two first pivot surface is located inside all the cover of stopper and is equipped with squeeze roll, one of them connect through belt pulley and belt drive between the output of first pivot and motor, and one of them also connect through belt pulley and belt drive between first pivot and the second pivot, another first pivot surface is close to front end edge department's cover and is equipped with the gear.

The edge of the outer surface of the second rotating shaft, which is close to one end, is also sleeved with a gear, and the gear is meshed and connected with the gear.

Wherein, the bottom block front surface is close to the equal fixedly connected with locating piece of two corners in bottom, every the equal fixedly connected with a set of supporting spring in locating piece top, and is two sets of fixedly connected with vibration frame between the supporting spring top, the inside bottom surface fixedly connected with vibrating motor of vibration frame.

Wherein, first cutting part includes two threaded rods and changes, two the threaded rod rotates respectively to be connected between two first fixed plates and two second fixed plates, one of them threaded rod surface equidistance threaded connection has a plurality of first regulation circles, another threaded rod surface equidistance threaded connection has a plurality of second regulation circles, change and connect in base one side surface to rotating, change and all connect surface and two threaded rods through belt pulley and belt drive.

Wherein, it is a plurality of it has the gag lever post to slide to run through between the surface of first regulation circle one side, and is a plurality of it has the gag lever post, two also to slide to run through between the surface of second regulation circle one side, gag lever post difference fixed connection is between two first fixed plates and two second fixed plates, every all be provided with the cutting silk between first regulation circle one side surface and the surface of corresponding second regulation circle one side, every the second is adjusted the circle top and is close to the equal fixedly connected with push jack in both sides edge.

The second cutting part comprises two reset frames and every top center of each reset frame slides uniformly to penetrate through a moving rod, the moving rod outer surface is located corresponding to the reset frames, the moving rod outer surface is located corresponding to the reset springs, the reset springs are sleeved on the moving rod outer surface, the pressing sheets are sleeved on the moving rod outer surface and located corresponding to the reset springs, the cutting frames are fixedly connected between the top ends of the moving rods, and the moving strips are fixedly connected between the bottom ends of the moving rods.

In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:

(1) in the invention, the motor is started, so that the motor can effectively drive the two first rotating shafts and the conveying shaft to rotate through the belt pulley, the belt and the gear, so that the two first rotating shafts can effectively drive the two extrusion rollers to rotate oppositely, raw materials can be conveniently and rapidly put between the two extrusion rollers through the material injection frame, the raw materials can be effectively conveyed to the conveying shafts under the extrusion of the two extrusion rollers, the extruded raw materials are effectively conveyed to the inside of the extrusion frame through the discharge port by the conveying shafts, the raw materials injected into the extrusion frame can fully fill the inside of the extrusion frame under the obstruction of the abutting block, so that the raw materials can be subjected to preliminary shape pressing effectively, the abutting block can be effectively ejected out of the extrusion frame by the raw materials along with the increase of the quantity of the raw materials injected into the extrusion frame, the abutting block is taken out after being moved out of the extrusion frame, so that the raw materials can continuously move towards the forming mechanism in a certain shape, can effectively separate into many shares by the cutting wire when the raw materials removes through the cutting wire, when the raw materials after the preliminary cutting reachd the bottom block top, carry out the pushing down of certain frequency according to actual demand and remove the strip, and then make and remove the strip and can effectively drive the cutting frame and carry out the shaping cutting processing of raw materials, and then make equipment can effectively carry out the preparation of fragment of brick, simultaneously through rotatory change can effectively adjust first regulation circle and second regulation circle position, carry out the dismantlement of the cutting wire of different positions simultaneously, and then make equipment can effectively carry out the cutting processing of different specification fragments of brick, and then effectively improve equipment in-service use universality.

(2) In the invention, the vibration motor can effectively drive the vibration frame to vibrate under the stable support of the support spring by starting the vibration motor, so that the vibrating vibration frame can effectively drive the cutting wire to effectively vibrate, further the equipment can efficiently cut the raw materials, meanwhile, water resources in the water storage frame can drip to the surface of the cutting wire through the sponge block, thereby effectively preventing the raw material from sticking to the cutting wire, further preventing the raw material from being damaged easily during cutting, further realizing the proper function of the equipment with high efficiency, taking down the clamping plate after the raw material conveying is finished, and then effectively inserted into the extrusion frame through the placing groove, and further effectively and stably connected with the backing plate, by taking out the limiting plate and dragging the backing plate, and then can effectively take out the inside residual raw materials of extrusion frame, and then conveniently carry out the cleaning of equipment.

Drawings

FIG. 1 is a front perspective view of the present invention;

FIG. 2 is a rear perspective view of the present invention;

FIG. 3 is a bottom perspective view of the present invention;

FIG. 4 is a front cross-sectional perspective view of the present invention;

FIG. 5 is an elevational, cross-sectional, expanded perspective view of the extrusion mechanism of the present invention;

FIG. 6 is a rear cross-sectional expanded perspective view of the extrusion mechanism of the present invention;

FIG. 7 is a front cross-sectional perspective view of the forming mechanism of the present invention;

FIG. 8 is an enlarged view of portion A of FIG. 7 in accordance with the present invention;

fig. 9 is an enlarged view of portion B of fig. 7 according to the present invention.

The labels in the figure are: 1. an extrusion mechanism; 101. a base; 102. installing a frame; 103. a limiting block; 104. a material injection frame; 105. a motor; 106. a delivery shaft; 107. a squeeze roll; 108. extruding the frame; 109. clamping a plate; 110. a resisting block; 111. a base plate; 112. a limiting plate; 2. a molding mechanism; 201. a bottom block; 202. resetting the frame; 203. a return spring; 204. a cutting frame; 205. positioning blocks; 206. a support spring; 207. vibrating the frame; 208. a vibration motor; 209. a water storage frame; 210. a sponge block; 211. a threaded rod; 212. a first adjusting ring; 213. cutting the wire; 214. a limiting rod; 215. pushing the sheet; 216. and (4) turning the handle.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example one, with reference to fig. 1-9: an efficient brick making machine comprising: the extrusion mechanism 1 comprises a base 101, a mixing component, an installation frame 102 and a motor 105, wherein the base 101 is arranged to provide an installation foundation for arranging other functional components of equipment, the installation frame 102 is arranged to facilitate installation and arrangement of the other functional components of the equipment, the motor 105 is arranged to provide power required by normal operation of the equipment, the structure and the principle of the motor 105 belong to the prior art, detailed description is omitted here, the type of the motor can be selected according to actual use conditions, the installation frame 102 is fixedly connected to the top of the base 101, a discharge hole is formed in the rear surface of the installation frame 102 near the bottom edge, a material port is arranged to enable raw materials to be effectively injected into the extrusion frame 108, the top of the installation frame 102 is fixedly connected with an injection frame 104, the injection frame 104 is arranged to facilitate injection of the raw materials into the installation frame 102, and a limit block 103 is fixedly connected to the bottom of the, the center of the bottom of the base 101 is provided with an ejection hole, the establishment of the ejection hole is convenient for taking out the limit plate 112, the establishment of the limit block 103 is effective for preventing excessive raw materials from remaining in the mounting frame 102, the mixing component is arranged on the mounting frame 102, the motor 105 is fixedly connected on the mounting frame 102, and the forming mechanism 2 comprises a bottom block 201, two first fixing plates 208, two second fixing plates, a first cutting component and a second cutting component, the establishment of the bottom block 201 is convenient for installation and establishment of other functional components of the equipment, the establishment of the first fixing plates 208 is matched with the second fixing plates to facilitate installation and establishment of other functional components of the equipment, the bottom block 201 is fixedly connected on the base 101, the two first fixing plates 208 are both fixedly connected on the top of the base 101, a water storage frame 209 is fixedly connected between the tops of the two first fixing plates 208, and the establishment of the water storage frame 209 is convenient for installation and establishment of a sponge block 210, simultaneously can effectively carry out the storage of clear water and place, the inside bottom surface of retaining frame 209 runs through there is sponge piece 210, and the establishment of sponge piece 210 can effectively be carried the water resource for cutting wire 213, and the equal fixed connection of two second fixed plates is in bottom block 201 bottom, and first cutting member sets up on two first fixed plates 208 and two second fixed plates, and second cutting member sets up on bottom block 201.

Referring to FIGS. 4-9: the top of the base 101 is provided with a sliding groove at one side of the mounting frame 102, the sliding groove is convenient to install and arrange a backing plate 111 and a limiting plate 112, the backing plate 111 and the limiting plate 112 are embedded in the sliding groove in a sliding manner, the top of the base 101 is fixedly connected with an extrusion frame 108 at one side of the mounting frame 102, the extrusion frame 108 can be effectively subjected to primary shaping treatment of raw materials, a placing groove is formed in the top of the extrusion frame 108 close to the center of the front edge, the placing groove is convenient to install and arrange a clamping plate 109, the clamping plate 109 is fixedly connected with the rear surface of the mounting frame 102 close to the center through a bolt, the clamping plate 109 is matched with the backing plate 111 to effectively move out residual raw materials in the extrusion frame 108, the bottom of the clamping plate 109 extends into the placing groove, a supporting block 110 is embedded in the extrusion frame 108 and located above the backing plate 111 in a sliding manner, and the supporting block 110 is arranged to enable the raw materials to be effectively filled in the inner space of the extrusion frame 108, the interior of the extrusion frame 108 is communicated with the interior of the mounting frame 102 through a discharge hole, the mixing component comprises two first rotating shafts, a second rotating shaft and a conveying shaft 106, the first rotating shafts are arranged to facilitate installation and arrangement of the extrusion rollers 107, the second rotating shafts are arranged to facilitate installation and arrangement of gears, the two first rotating shafts and the conveying shaft 106 are rotatably connected between two opposite inner surface walls on two sides of the mounting frame 102, one ends of the two first rotating shafts extend to the exterior of the mounting frame 102, the second rotating shafts are rotatably connected to the front surface of the mounting frame 102, the extrusion rollers 107 are sleeved on the outer surfaces of the two first rotating shafts and positioned inside the limiting block 103, residual air in raw materials can be effectively extruded out through arrangement of the extrusion rollers 107, one of the first rotating shafts is in transmission connection with the output end of the motor 105 through a belt pulley and a belt, and one of the first rotating shafts is also in transmission connection with the second rotating shaft through a belt pulley and a belt, the outer surface of the other first rotating shaft, which is close to the front end edge, is sleeved with a gear, the arrangement of the gear enables the second rotating shaft to effectively drive one of the first rotating shafts to rotate, the outer surface of the second rotating shaft, which is close to one end edge, is also sleeved with a gear, the two gears are meshed and connected, the positioning blocks 205 are fixedly connected to two corners of the front surface of the bottom block 201, which are close to the bottom, the arrangement of the positioning blocks 205 facilitates the installation of other functional parts of the equipment, the top of each positioning block 205 is fixedly connected with a group of supporting springs 206, the arrangement of the supporting springs 206 facilitates the installation of the vibration frame 207, and simultaneously, the vibration frame 207 is enabled to effectively vibrate along with the vibration motor 208, the vibration frame 207 is fixedly connected between the top ends of the two groups of supporting springs 206, the arrangement of the vibration frame 207 facilitates the installation of the vibration motor 208, and simultaneously, the cutting wire 213 can be effectively driven to vibrate, the vibration motor 208 is fixedly connected to the bottom surface inside the vibration frame 207, the vibration motor 208 is set to provide power required by vibration of the vibration frame 207, the structure and principle of the vibration motor 208 belong to the prior art, details are not described here, the type of the vibration motor 208 can be selected according to actual use conditions, the first cutting component comprises two threaded rods 211 and a rotating handle 216, the setting of the threaded rods 211 can effectively adjust the actual use positions of the first adjusting ring 212 and the second adjusting ring, the two threaded rods 211 are respectively and rotatably connected between the two first fixing plates 208 and the two second fixing plates, the outer surface of one threaded rod 211 is equidistantly and threadedly connected with a plurality of first adjusting rings 212, the setting of the first adjusting rings 212 can effectively perform the installation and setting of the cutting wire 213 by matching with the second adjusting rings, further, the effective adjustment of the use position of the cutting wire 213 can be effectively performed, the rotating handle 216 can conveniently perform the rotation adjustment of the threaded rod 211, a plurality of second adjusting rings are connected to the outer surface of the other threaded rod 211 in an equidistant threaded manner, a rotating handle 216 is rotatably connected to the outer surface of one side of the base 101, the outer surface of the rotating handle 216 and the two threaded rods 211 are in transmission connection through a belt pulley and a belt, a limiting rod 214 penetrates through the outer surfaces of one sides of the plurality of first adjusting rings 212 in a sliding manner, the limiting rod 214 is arranged to effectively limit the positions of the first adjusting rings 212 and the second adjusting rings, the threaded rods 211 can effectively adjust the positions of the first adjusting rings 212 and the second adjusting rings, a limiting rod 214 also penetrates through the outer surfaces of one sides of the plurality of second adjusting rings in a sliding manner, the two limiting rods 214 are respectively and fixedly connected between the two first fixing plates 208 and the two second fixing plates, a cutting wire 213 is arranged between the outer surface of one side of each first adjusting ring 212 and the outer surface of one side of the corresponding second adjusting ring, and a pushing sheet 215 is fixedly connected to the top of each second adjusting ring near the edge of the two sides, the push sheet 215 is arranged to effectively push the cutting wire 213 to move in position, so as to effectively prevent the cutting wire 213 from deviating in the moving process, the second cutting component comprises two reset frames 202, the arrangement of the reset frames 202 facilitates the installation and the arrangement of other functional components of the equipment, a moving rod penetrates through the center of the top of each reset frame 202 in a sliding manner, the arrangement of the moving rod facilitates the installation and the arrangement of the cutting frame 204, the outer surfaces of the two moving rods are respectively and slidably sleeved with a reset spring 203 in the corresponding reset frame 202, the arrangement of the reset spring 203 is matched with the pressing sheet to effectively perform the stable support of the moving rod, a pressing sheet is sleeved on the outer surface of each moving rod above the corresponding reset spring 203, the cutting frame 204 is fixedly connected between the top ends of the two moving rods, the arrangement of the cutting frame 204 enables the equipment to effectively perform the shaping cutting of raw materials, and a moving strip is fixedly connected between the bottom ends of the two moving rods, the arrangement of the moving bar can effectively perform synchronous movement of the two moving rods.

When the device is used, the motor 105 is started, so that the motor 105 can effectively drive the two first rotating shafts and the conveying shaft 106 to rotate through the belt pulley, the belt and the gear, the two first rotating shafts can effectively drive the two extrusion rollers 107 to rotate oppositely, raw materials can be conveniently put between the two extrusion rollers 107 through the material injection frame 104, the raw materials can be effectively conveyed to the conveying shaft 106 under the extrusion of the two extrusion rollers 107, the extruded raw materials are effectively conveyed to the interior of the extrusion frame 108 through the discharge port by the conveying shaft 106, the raw materials injected into the interior of the extrusion frame 108 can fully fill the interior of the extrusion frame 108 under the obstruction of the abutting block 110, the raw materials are effectively subjected to preliminary shape pressing, the raw materials can effectively push the abutting block 110 out of the extrusion frame 108 along with the increase of the quantity of the raw materials injected into the interior of the extrusion frame 108, and the abutting block 110 is taken out after being moved out of the extrusion frame 108, and then make the raw materials can the certain form continuously to 2 directions removal of forming mechanism, can effectively separate into many copies by cutting wire 213 when the raw materials removes through cutting wire 213, when the raw materials after the preliminary cutting reachd bottom block 201 top, carry out the removal strip that pushes down of certain frequency according to the actual demand, and then make the removal strip can effectively drive cutting frame 204 and carry out the shaping cutting processing of raw materials, and then make equipment can effectively carry out the preparation of fragment of brick, simultaneously can effectively adjust first regulation circle 212 and second regulation circle position through rotatory commentaries on classics handle 216, carry out the dismantlement of the cutting wire 213 of different positions simultaneously, and then make equipment can effectively carry out the cutting processing of different specification fragments of brick, and then effectively improve equipment actual use extensive nature.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

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