1. A mold for injection molding an article comprising: the injection molding device comprises a main body (1), wherein the top end of the main body (1) is connected with an upper mold (2) through a connecting shaft (101) and is arranged at the top end of the main body (1), the middle part of the main body (1) is connected with a telescopic rod (102), the middle part of the upper mold (2) is provided with a slot through a flow slot (203), and the top end of the slot is connected with an injection molding port (201), and the injection molding device is characterized in that; the injection molding port (201) is connected with the flowing groove (203) through a deflection block (2011), and the injection molding port (201) is connected with a fitting ring (204) which is in threaded fit with the extrusion shaft (2013).

2. A mold for injection molding an article according to claim 1, wherein: go up mould (2) including moulding plastics mouth (201), incline groove (202), flow groove (203) and laminating ring (204), the cavity circle axle on flow groove (203) fluting top is connected for the gomphosis to the mouth of moulding plastics (201), incline chute (202) for last mould (2) top connect mould plastics mouthful (201) surface on every side be the conical shape recess, laminating ring (204) are for moulding plastics mouthful (201) middle part inner wall top both sides semicircle ring-shaped square.

3. A mold for injection molding an article according to claim 1, wherein: mouth (201) of moulding plastics is including skew piece (2011), displacement groove (2012) and extrusion axle (2013), skew piece (2011) is for moulding plastics mouthful (201) bottom and the circular arc lug that flow groove (203) inner wall circular arc recess gomphosis is connected, displacement groove (2012) are close to top inner wall both sides for moulding plastics mouthful (201) and are the recess of rectangle form, extrusion axle (2013) set up the circle axle in displacement groove (2012) for the gomphosis.

4. The mold for the injection molding part according to claim 3, wherein the deflection block (2011) comprises a hollow groove (20111), a limiting groove (20112) and a supporting bead (20113), the hollow groove (20111) is a groove which is formed by fitting and embedding the deflection block (2011) in an arc-shaped rectangular shape on the surface of the flow groove (203), the limiting groove (20112) is an arc-shaped groove extending from the bottom end of the hollow groove (20111) in an inclined mode, and the supporting bead (20113) is a round bead arranged in the middle of the limiting groove (20112) in an embedded mode.

5. A mold for injection molding an article according to claim 3, wherein: the flow groove (203) comprises a resisting groove (2031), and the resisting groove (2031) is an arc groove which is obliquely extended from the top end of the surface of the inner wall of the flow groove (203) attached to the deflection block (2011) and is embedded with the resisting bead (20113).

6. A mold for injection molding an article according to claim 1, wherein: the fit ring (204) comprises a displacement ring groove (2041), a binding ring (2042) and a limiting block (2043), the displacement ring groove (2041) is a groove extending in a circular ring mode for the inner wall surface of the fit ring (204), and the binding ring (2042) is a semicircular annular square block which is connected with the displacement ring groove (2041) in a fit mode through the limiting block (2043).

Background

Injection molding is a method of injecting a molding material such as rubber after fusion into a predetermined mold and cooling and molding the molding material, compared with the injection molding which has pressure and does not leave gaps and air bubbles when flowing between the platforms, the injection molding mold is characterized in that a groove with a specified shape is arranged in the injection molding mold, then the fused molding materials such as rubber and the like are injected into the groove, the cooling and forming of the mould are carried out to form the shape of the groove in the mould, so that the important tool in the forming of the injection molding piece, the top end of the existing injection molding machine mould is provided with an opening for the injection molding gun to be embedded and then to be injected, the opening of the injection molding opening is a fixed groove, so that the injection molding gun can only extend into the injection molding from a fixed direction and has the limitation of movement when the injection molding gun is used for injection molding, meanwhile, when the injection gun is fitted into the injection port, the injected material may leak out through the gap between the two.

Disclosure of Invention

Problem (A)

In conclusion, the mold for the injection molding part is provided, and is used for solving the problems that the opening of the injection molding opening of the existing mold for the injection molding part is fixed, an injection molding gun can only be embedded from a fixed direction, and a gap exists between the injection molding gun and the injection molding gun to cause the leakage of raw materials.

(II) technical scheme

The invention provides a mould for injection molding, which comprises: main part, connecting axle, telescopic link, go up the mould, mould plastics mouthful and flow groove, main part one side runs through the gomphosis through the connecting axle and is connected with the mould, and main part middle part gomphosis is provided with the telescopic link, goes up mould middle part flow groove opening top gomphosis and is provided with the mouth of moulding plastics.

Furthermore, the upper die comprises an injection molding opening, an inclined groove, a flow groove and a fitting ring, the injection molding opening is embedded at the top end of the flow groove of the upper die, the inclined groove is a conical groove at the opening of the flow groove of the upper die, and the fitting ring is a semicircular block embedded at two sides of the top end of the inner wall in the middle of the injection molding opening.

Further, the mouth of moulding plastics is including the deflection piece, displacement groove and extrusion axle, the spherical lug that the deflection piece set up for moulding plastics mouthful bottom and flow groove junction fixed connection's both ends opening, and flow groove laminating deflection piece goes out the circular arc chute that also is inlay mutually and the laminating sets up, the displacement groove is close to the recess that the top both sides were rectangular form for moulding plastics the interior wall of mouth, the extrusion axle is for setting up the circle axle in the recess of displacement groove middle part both sides through the protruding gomphosis of both sides circle axle, and the protruding and displacement groove middle part both sides recess inner wall screw-thread laminating of extrusion axle both sides circle axle.

Furthermore, the piece that deflects is including cavity groove, restricted groove and supporting the pearl, and the cavity groove is close to the bottom for the piece that deflects and laminates the rectangular form recess that flow inslot wall portion is circular-arc, and the restricted groove is the arc recess that cavity groove bottom extends to the one side bending slope, supports the pearl for the gomphosis in the ball of being laminated with the flow inslot wall in restricted groove circular arc recess.

Furthermore, the flowing groove comprises a supporting groove which is an arc groove obliquely extending around the top end of the inner wall of the flowing groove and embedded with the supporting bead.

Furthermore, the attaching ring comprises a displacement ring groove, a binding ring and a limiting block, the displacement ring groove is a groove extending in a circular ring shape on the inner wall of the middle part of the semicircular ring square of the attaching ring, the binding ring is a semicircular ring square which is arranged between the two attaching rings and penetrates through the displacement ring groove in an embedded mode, and the limiting block is a circular arc bending rectangular convex block which is arranged at the top end of the binding ring and connected with the groove at the top end of the displacement ring groove in an embedded mode.

(III) advantageous effects

(1) The deflection block arranged through the device can lead the injection molding gun to be embedded into the injection molding port in any direction, and can also follow the inclination of the injection molding gun to incline when the injection molding gun is embedded into the injection molding port, thereby leading the injection molding gun to be embedded into the injection molding port easily and not separated because of external factors, and simultaneously leading the injection molding gun to be embedded into the injection molding port in multiple angles to lead the injection molding gun to be more flexible in use.

(2) The device still is provided with and supports the pearl, can reduce its friction through supporting the pearl when the mouth of moulding plastics carries out the skew through the piece that deflects, lets its skew can not block, supports to lean on it after certain angle through supporting the pearl can deflect the piece along the top of flowing groove around to it simultaneously and prescribes a limit, prevents that its piece that deflects and flow groove separates at the in-process that deflects.

(3) The device still is provided with the laminating ring, can stretch into the mouth of moulding plastics through the laminating ring when the rifle gomphosis of moulding plastics, lets it to center department shrink the removal through extrusion friction, then the laminating is on the surface around the rifle of moulding plastics, and the separation is carried out in the gap between rifle and the mouth of moulding plastics to the rifle of moulding plastics, prevents that the raw materials that injects from leaking.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic side sectional view of the upper mold of the present invention;

FIG. 3 is a schematic side sectional view of the injection nozzle and the flow channel of the present invention;

FIG. 4 is an enlarged view of the structure at A in FIG. 3 according to the present invention;

FIG. 5 is a schematic view of a partial side cross-sectional structure of the injection port of the present invention;

FIG. 6 is a side view of a mating ring of the present invention;

in fig. 1 to 6, the corresponding relationship between the part names or lines and the reference numbers is:

the injection molding device comprises a main body 1, a connecting shaft 101, an expansion link 102, an upper mold 2, an injection molding port 201, a deflection block 2011, a hollow groove 20111, a limiting groove 20112, a bead 20113, a displacement groove 2012, an extrusion shaft 2013, a deflection groove 202, a flow groove 203, a resisting groove 2031, a fitting ring 204, a displacement ring groove 2041, a convergence ring 2042 and a limiting block 2043.

Detailed Description

Please refer to fig. 1 to 6:

the invention provides a mould for injection molding, which comprises: the main body 1, the top end of the main body 1 is connected with an upper mold 2 at the top end of the main body 1 through a connecting shaft 101, the middle part of the main body 1 is connected with a telescopic rod 102, the middle part of the upper mold 2 is connected with an injection port 201 through the top end of a groove of a flow groove 203, the injection port 201 and the flow groove 203 are connected together through a deflection block 2011, the injection port 201 is connected with a joint ring 204 in threaded joint with an extrusion shaft 2013, the upper mold 2 comprises an injection port 201, a deflection groove 202, the flow groove 203 and a joint ring 204, the injection port 201 is a hollow round shaft in embedded connection with the top end of the groove of the flow groove 203, the deflection groove 202 is a conical groove on the top end of the upper mold 2 and connected with the peripheral surface of the injection port 201, the joint ring 204 is semicircular blocks on both sides of the top end of the inner wall of the injection port 201, the injection port 201 comprises a deflection block 2011, a displacement groove 2012 and an extrusion shaft 2013, the deflection block 2011 is an arc bump in embedded connection with the arc groove on the bottom end of the inner wall of the flow groove 203, the displacement groove 2012 is a rectangular groove on the two sides of the injection molding opening 201 close to the top end inner wall, and the extrusion shaft 2013 is a circular shaft embedded in the displacement groove 2012. When an injection molding gun is aligned with an injection molding opening 201 of the injection molding gun and extends into the injection molding gun, the injection molding gun can abut against the surfaces of the extrusion shafts 2013 on two sides of the inner wall of the injection molding opening 201, the extrusion shafts 2013 are driven to rotate by friction when the injection molding gun extends, when the extrusion shafts 2013 are driven to rotate, circular shafts convexly arranged on two sides are embedded in grooves on two sides of the middle of a displacement groove 2012 to rotate, the extrusion shafts 2013 are retracted into the displacement groove 2012 by the thread bonding of the two, the top end part of the extrusion shafts 2013 is in thread bonding with the bottom end surface of a bonding ring 204, so that the bonding ring 204 is driven to fold and contract towards the center when the extrusion shafts 2013 rotate and contract, a deflection block 2011 comprises a hollow groove 20111, a limitation groove 20112 and an arc-shaped bead 20113, the hollow groove 1 is formed by embedding the deflection block 2011 in a rectangular 2011 groove on the surface of a flow groove 203, the limitation groove 2 is an arc-shaped groove from which the bottom end of the hollow groove 2011 extends obliquely, the ball 20113 is a ball which is embedded in the middle of the limiting groove 20112 and drives the injection port 201 to deflect together when the injection guns with different angles are embedded in the injection port 201 or the injection guns deflect after being embedded, the deflection of the injection port 201 deflects along the inner wall of the top end of the flow groove 203 through the deflection block 2011 at the bottom end of the injection port, the limiting groove 20112 at the bottom end of the deflection block 2011 drives the ball 20113 to be attached to the inner wall of the flow groove 203 to move when the deflection block 2011 deflects, the deflection block 2011 cannot be clamped by the rolling of the ball 20113 attached to the inner wall of the flow groove 203, and the deflection block 2011 can smoothly deflect the hollow groove 20111 connecting the limiting groove 20112 and the ball 20113 in the deflection block 2011 to deflect along the deflection chute 202 so as to adapt to the injection guns with different angles or the deflection of the injection guns with different angles, the deflecting block 2011 deflects for a certain angle and then the ball 20113 abuts against the abutting groove 2031 embedded in the top end of the flowing groove 203 to be limited, so that the deflecting block 2011 cannot deflect continuously and separate, the flowing groove 203 comprises the abutting groove 2031, the abutting groove 2031 is an arc groove obliquely extending from the top end of the surface of the position, attached to the deflecting block 2011, of the inner wall of the flowing groove 203 and embedded with the ball 20113, the attaching ring 204 comprises a displacement ring groove 2041, a beam receiving ring 2042 and a limiting block 2043, the displacement ring groove 2041 is a groove extending from the surface of the inner wall of the attaching ring 204 in a circular ring shape, and the beam receiving ring 2042 is a semicircular annular block embedded and connected between the attaching rings 204 through the limiting block 2043 and the displacement ring groove 2041. When the fit ring 204 is folded and contracted towards the middle part, the contraction rings 2042 on both sides of the fit ring 204 are forced to perform embedding contraction movement towards the displacement ring groove 2041, so that the fit ring 204 can be contracted to a certain diameter to smoothly fold and contract towards the middle part, the contraction movement of the contraction rings 2042 along the displacement ring groove 2041 is performed by the engagement of the limiting blocks 2043 at the top ends of the contraction rings in the grooves at the top ends of the grooves of the displacement ring groove 2041, so that the contraction rings 2042 are more stable and cannot be separated from the fit ring 204 during contraction movement, the contraction movement of the fit ring 204 and the contraction rings 2042 is used for fitting the peripheral surface of the injection molding gun, and the injection molding gun cannot cause leakage of raw materials due to a certain gap left between the injection molding opening 201 during injection of the injection molding gun.

(IV) working principle

The invention provides a mould of an injection molding part, which comprises a main body 1, an upper mould 2, an injection molding machine, an injection molding gun, a telescopic rod 102, a pressing shaft 2013, a displacement groove 2012, a screw thread joint ring 2012, a pressing shaft 2013, a pressing ring 204, a connecting shaft 101, an injection molding machine, an injection molding gun, a telescopic rod 102, a pressing ring 2013, a pressing ring 2012, a pressing ring 2013, a pressing ring and a pressing ring, wherein the pressing ring 2013 is provided with a circular shaft groove, the circular shaft is arranged at the two sides of the pressing ring 2013 is embedded in the groove at the middle of the displacement groove 2012, the pressing shaft 2013 is screwed into the groove 2012, the pressing shaft 2013 is driven to fold and contract towards the center when rotating, contracting and moving, the binding rings 204 on the two sides are forced to be embedded and contracted towards the displacement ring groove 2041 when the binding rings 204 are folded and contracted towards the middle, so that the binding rings 204 can bind with a certain diameter and can be smoothly folded and contracted towards the middle, the contraction movement of the binding rings 2042 along the displacement ring groove 2041 is realized by embedding the limiting blocks 2043 at the top ends into the grooves at the top ends of the grooves of the displacement ring groove 2041 for contraction movement, so that the binding rings 2042 are more stable during contraction movement and cannot be separated from the binding rings 204, the binding rings 204 and the binding rings 2042 are attached to the peripheral surface of the injection molding gun through the folding and contraction movement, and the injection molding gun cannot leak raw materials due to a certain gap left between the injection molding opening 201 when injecting the fusion raw materials, meanwhile, injection molding guns with different angles are embedded into the injection molding opening 201 or the injection molding guns are driven to deflect when being deflected after being embedded, the deflection of the injection molding opening 201 is deflected along the inner wall of the top end of the flowing groove 203 through the deflection block 2011 at the bottom end, the limiting groove 20112 at the bottom end drives the resisting bead 20113 to be attached to the inner wall of the flowing groove 203 to move when the deflection block 2011 is deflected, the deflection block 2011 cannot be clamped due to the rolling of the resisting bead 20113 attached to the inner wall of the flowing groove 203, and the hollow groove 1 connecting the limiting groove 20112 and the resisting bead 20113 in the deflection block 2011 is also deflected due to the abutting of the resisting bead 20113 and the inner wall of the flowing groove 203, so that the deflection block 2011 can smoothly deflect to drive the injection molding opening 2011 201 to deflect along the deflection chute 202, and the injection molding guns or the injection molding guns with different angles are adapted to the deflection, after the deflection block 2011 deflects for a certain angle, the disposed abutting bead 20113 abuts against the abutting groove 2031 embedded in the top end of the flow groove 203 for limitation, so that the deflection block 2011 does not deflect continuously and separate.