CN216001229U - Wire drawing mould for injection moulding - Google Patents
Wire drawing mould for injection moulding Download PDFInfo
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- CN216001229U CN216001229U CN202121331510.9U CN202121331510U CN216001229U CN 216001229 U CN216001229 U CN 216001229U CN 202121331510 U CN202121331510 U CN 202121331510U CN 216001229 U CN216001229 U CN 216001229U
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- injection molding
- wire drawing
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- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The wire drawing die for injection molding comprises a fixed die, wherein an injection molding die core is concavely arranged on the outer vertical surface of one side of the fixed die, the injection molding die core is fixedly connected with the fixed die through oppositely arranged locking guide components, and a melt adhesive flow channel is arranged between the injection molding die core and the fixed die in a through manner; the outer vertical surface of one side of the movable mould is convexly provided with a wire drawing mould core matched with the injection mould core, the surface of the wire drawing mould core facing the injection mould core is longitudinally provided with a plurality of stripe grooves for forming wire drawing textures, and the wire drawing mould core is fixedly connected with the movable mould through a locking support component; after the movable mold is in butt joint with the fixed mold, the wire-drawing mold core and the injection mold core are enclosed to form a forming cavity. The method has the advantages of simple and convenient operation steps, high processing efficiency, one-step forming of the drawn texture, no subsequent processing step and low manufacturing cost.
Description
Technical Field
The utility model belongs to the technical field of injection molds, and particularly relates to a wire drawing mold for injection molding.
Background
In the prior art, the wire drawing texture effect on the surface of the plastic injection molding part is generally processed and manufactured by using a metal wire drawing texture processing tool after the plastic injection molding part is subjected to injection molding, and the wire drawing texture processing mode on the surface of the injection molding part has the advantages of more complicated operation steps, low processing efficiency, no one-step forming of the wire drawing texture and higher manufacturing cost.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model provides a wire drawing die for injection molding, which has the following specific technical scheme:
wire drawing mould for moulding plastics, this wire drawing mould includes:
the injection mold comprises a fixed mold, wherein an injection mold core is concavely arranged on the outer vertical surface of one side of the fixed mold, the injection mold core is fixedly connected with the fixed mold through a locking guide assembly which is oppositely arranged, and a glue melting flow channel is arranged between the injection mold core and the fixed mold in a through manner;
the outer vertical surface of one side of the movable mould is convexly provided with a wire drawing mould core matched with the injection mould core, the surface of the wire drawing mould core facing the injection mould core is longitudinally provided with a plurality of stripe grooves for forming wire drawing textures, and the wire drawing mould core is fixedly connected with the movable mould through a locking support component; after the movable mold is in butt joint with the fixed mold, the wire-drawing mold core and the injection mold core are enclosed to form a forming cavity.
Furthermore, an outer vertical surface of one side of the fixed mold is concavely provided with a mounting groove with a square structure, the injection mold core is clamped and matched with the mounting groove, and the melt adhesive runner is positioned in the middle of the mounting groove; the middle parts of the longitudinal opposite sides of the mounting groove are respectively provided with a positioning groove, and the bottom surface of each positioning groove is vertically penetrated with a threaded hole;
locking guide subassembly is including connecting ear piece, locking screw and guide rod, connecting ear piece with correspond the constant head tank joint cooperation, just connecting ear piece with the relative side fixed connection of mould core of moulding plastics, locking screw passes the screw hole, and with the mutual spiro union of connecting ear piece, locking screw's terminal surface with connecting ear piece flushes mutually, locking screw's terminal surface axial integration has the guide rod, seted up perpendicularly on the outer facade of moving die with the guide hole of guide rod looks adaptation.
Furthermore, the threaded hole deviates from a first groove of a circular structure is axially formed in the end face of the positioning groove, the inner diameter of the first groove is larger than the outer diameter of a nut of the locking screw, and the end face of the nut of the locking screw is flush with the opening face of the first groove.
Further, a buffer component is axially arranged in the guide hole; the buffer assembly comprises a spring and a piston block, one end of the spring is fixedly connected with the inner bottom surface of the guide hole, the other end of the spring is fixedly connected with the piston block in the axial direction, and the piston block is in clearance fit with the guide hole.
Furthermore, a clamping groove with a square structure is formed in the middle of the movable mold, and through holes are longitudinally and vertically formed in the inner bottom surface of the clamping groove respectively;
the locking support component comprises a support plate, fixing screw rods, a connecting rod and locking nuts, the support plate is matched with the clamping grooves in a clamped mode, the support plate is connected with the four wire drawing mold cores through four fixing screw rods which are uniformly distributed in the circumferential direction, the nut end faces of the fixing screw rods are flush with the inner side faces of the support plate, the connecting rod is perpendicularly connected to the middle of the inner side faces of the support plate, the connecting rod penetrates through the through hole matched with the connecting rod, the end portion of the connecting rod is provided with a thread section, and the axial thread of the thread section is connected with the locking nuts in a screwed mode.
Furthermore, a second groove of a circular structure is axially formed in the end face, deviating from the supporting plate, of the through hole, the inner diameter of the second groove is larger than the outer diameter of the locking nut, and the end face of the threaded section of the connecting rod is flush with the opening face of the second groove.
The utility model has the beneficial effects that:
according to the utility model, a plastic melt is injected into a forming cavity formed by enclosing a wire-drawing mold core and an injection mold core through a melt adhesive runner so as to form a required plastic part by injection molding, and wire-drawing textures are formed by one-time pressing through a plurality of stripe grooves arranged on the surface of the wire-drawing mold core; the utility model completes the treatment effect of the wire drawing texture on the surface of the plastic injection molding part through the mold, replaces a metal wire drawing texture treatment tool in the market, has simpler and more convenient operation steps and high processing efficiency, can form the wire drawing texture at one time, has no subsequent processing steps and has lower manufacturing cost.
Drawings
FIG. 1 is a schematic diagram showing the structure of the present invention in mold separation;
FIG. 2 shows a schematic view of the present invention in mold clamping;
FIG. 3 shows a schematic structural view of the locking guide assembly of the present invention;
FIG. 4 is a schematic view of the construction of the lock support assembly of the present invention;
FIG. 5 is an enlarged view of the structure of the portion A in FIG. 2;
FIG. 6 is a schematic front view showing the assembly of the stationary mold and the injection mold core according to the present invention;
FIG. 7 is a schematic front view of the stationary mold of the present invention;
FIG. 8 is a schematic view showing a back side structure of the assembly of the cavity mold and the injection mold core of the present invention;
FIG. 9 is a schematic front view of the assembly of the moving die and the wire-drawing die core in the present invention;
FIG. 10 is a schematic front view of the movable mold of the present invention;
FIG. 11 is a schematic diagram showing the back structure of the movable mold and the wire-drawing mold core in the utility model;
fig. 12 is a schematic view showing a back structure of the lock support assembly of the present invention.
Shown in the figure: 1. fixing a mold; 11. positioning a groove; 12. a threaded hole; 13. mounting grooves; 14. a first groove; 2. injection molding of a mold core; 3. locking the guide assembly; 31. connecting the ear blocks; 32. locking the screw rod; 33. a guide rod; 4. moving the mold; 41. a guide hole; 42. a card slot; 43. a through hole; 44. a second groove; 5. drawing a wire mold core; 51. a stripe groove; 6. locking the support assembly; 61. a support plate; 62. fixing the screw rod; 63. a connecting rod; 631. a threaded segment; 64. locking the nut; 7. a melt adhesive runner; 8. a buffer assembly; 81. a spring; 82. a piston block; 9. and forming a cavity.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
As shown in fig. 1 and 2, a wire drawing die for injection molding, comprising:
the injection molding device comprises a fixed mold 1, wherein an injection molding mold core 2 is concavely arranged on the outer vertical surface of one side of the fixed mold 1, the injection molding mold core 2 is fixedly connected with the fixed mold 1 through a locking guide component 3 which is oppositely arranged, and a melt adhesive flow channel 7 is arranged between the injection molding mold core 2 and the fixed mold 1 in a through manner;
the outer vertical surface of one side of the movable mold 4 is convexly provided with a wire-drawing mold core 5 matched with the injection mold core 2, the surface of the wire-drawing mold core 5 facing the injection mold core 2 is longitudinally provided with a plurality of stripe grooves 51 for forming wire-drawing textures, and the wire-drawing mold core 5 is fixedly connected with the movable mold 4 through a locking support assembly 6; after the movable mold 4 is in butt joint with the fixed mold 1, the wire-drawing mold core 5 and the injection mold core 2 enclose to form a forming cavity 9.
By adopting the technical scheme, plastic melt is injected into a forming chamber 9 formed by enclosing the wire-drawing mold core 5 and the injection mold core 2 through the melt glue flow passage 7 so as to form a required plastic part by injection molding, and wire-drawing textures are formed by one-time pressing through a plurality of stripe grooves 51 arranged on the surface of the wire-drawing mold core 5; the surface wire drawing texture treatment effect of the plastic injection molding part is achieved through the mold, a metal wire drawing texture treatment tool on the market is replaced, the operation steps are simple and convenient, the machining efficiency is high, the wire drawing texture can be formed in one step, the subsequent machining steps are omitted, and the manufacturing cost is low.
As shown in fig. 3, 6 and 7, a mounting groove 13 with a square structure is concavely arranged on the outer vertical surface of one side of the fixed mold 1, the injection mold core 2 is in clamping fit with the mounting groove 13, and the melt adhesive runner 7 is positioned in the middle of the mounting groove 13; positioning grooves 11 are respectively formed in the middle of the sides of the mounting groove 13 which are longitudinally opposite, and a threaded hole 12 is vertically formed in the bottom surface of each positioning groove 11 in a penetrating mode;
locking guide assembly 3 is including connecting ear piece 31, locking screw 32 and guide rod 33, connecting ear piece 31 with correspond 11 joint cooperations of constant head tank, just connecting ear piece 31 with the relative side fixed connection of mould core 2 of moulding plastics, locking screw 32 passes screw hole 12, and with connecting ear piece 31 spiro union each other, locking screw 32's terminal surface with connecting ear piece 31 flushes mutually, locking screw 32's terminal surface axial integration has guide rod 33, vertically seted up on the outer facade of movable mould 4 with the guide hole 41 of guide rod 33 looks adaptation.
By adopting the technical scheme, the arranged locking guide component 3 has double functions of locking and guiding, and the locking screw 32 in the locking guide component 3 can fasten and lock the injection mold core 2 and the fixed mold 1 mutually so as to prevent demolding; the guide rod 33 axially and integrally butted with the end surface of the locking screw 32 can be matched with the guide hole 41 on the movable mould 4 to play a guide role in butting between the fixed mould 1 and the movable mould 4;
the injection mold core 2 is in clamping fit with the mounting groove 13 of the fixed mold 1, and can further fix the injection mold core 2; the connecting lug blocks 31 are matched with the corresponding positioning grooves 11 in a clamping manner, and can play a role in positioning the injection molding mold core 2.
As shown in fig. 8, a first groove 14 of a circular structure is axially formed in an end surface of the threaded hole 12 facing away from the positioning groove 11, an inner diameter of the first groove 14 is larger than a nut outer diameter of the lock screw 32, and a nut end surface of the lock screw 32 is flush with an opening surface of the first groove 14.
By adopting the technical scheme, the nut of the locking screw 32 can be prevented from protruding out of the fixed mould 1, and the assembly of the fixed mould 1 and other parts of an external injection molding machine can be prevented from being influenced.
As shown in fig. 5, a buffer assembly 8 is axially arranged in the guide hole 41; the buffer assembly 8 comprises a spring 81 and a piston block 82, one end of the spring 81 is fixedly connected with the inner bottom surface of the guide hole 41, the other end of the spring 81 is fixedly connected with the piston block 82 in the axial direction, and the piston block 82 is in clearance fit with the guide hole 41.
By adopting the technical scheme, the arranged buffer assembly 8 can prevent the guide rod 33 from being in hard contact with the guide hole 41, so that the service life of the guide rod 33 is influenced; after the guide rod 33 extends into the guide hole 41, the piston block 82 is continuously pushed to compress the spring 81, so that the buffer effect is realized.
As shown in fig. 9, 10 and 12, a clamping groove 42 with a square structure is formed in the middle of the movable mold 4, and through holes 43 are respectively vertically and relatively formed on the inner bottom surfaces of the clamping groove 42;
locking supporting component 6 includes backup pad 61, clamping screw 62, connecting rod 63 and lock nut 64, backup pad 61 with draw-in groove 42 joint cooperation, backup pad 61 with through four of circumference evenly distributed between the wire drawing mold core 5 the mutual spiro union of clamping screw 62, just clamping screw 62's nut terminal surface with the medial surface of backup pad 61 flushes mutually, connecting rod 63 connect perpendicularly in the medial surface middle part of backup pad 61, connecting rod 63 passes with its looks adaptation through-hole 43, the tip of connecting rod 63 is provided with screw thread section 631, the axial spiro union has on the screw thread section 631 lock nut 64.
By adopting the technical scheme, the arranged locking and supporting component 6 can reliably fix the wire-drawing mold core 5 protruding out of the movable mold 4; the stripe grooves 51 on the surface of the wire-drawing mold core 5 are worn due to long-term use, and the wire-drawing mold core 5 and the supporting plate 61 are screwed with each other through four fixing screws 62 which are uniformly distributed in the circumferential direction, so that the fixing of the wire-drawing mold core 5 is not hindered, and the worn wire-drawing mold core 5 can be dismounted and replaced at any time.
As shown in fig. 11, the end surface of the through hole 43 facing away from the support plate 61 is axially provided with a second groove 44 having a circular structure, the inner diameter of the second groove 44 is larger than the outer diameter of the lock nut 64, and the end surface of the threaded section 631 of the connecting rod 63 is flush with the opening surface of the second groove 44.
By adopting the technical scheme, the end face of the thread section 631 of the connecting rod 63 can be prevented from protruding out of the movable mould 4, and the assembly of the movable mould 4 and other parts of an external injection molding machine can be prevented from being influenced.
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 utility model, 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.
Claims (6)
1. Wire drawing mould for moulding plastics, its characterized in that, this wire drawing mould includes:
the injection molding device comprises a fixed mold (1), wherein an injection molding mold core (2) is concavely arranged on the outer vertical surface of one side of the fixed mold (1), the injection molding mold core (2) is fixedly connected with the fixed mold (1) through a locking guide component (3) which is arranged oppositely, and a glue melting flow channel (7) is arranged between the injection molding mold core (2) and the fixed mold (1) in a penetrating manner;
the outer vertical surface of one side of the movable mold (4) is convexly provided with a wire-drawing mold core (5) matched with the injection mold core (2), the surface, facing the injection mold core (2), of the wire-drawing mold core (5) is longitudinally provided with a plurality of stripe grooves (51) used for forming wire-drawing textures, and the wire-drawing mold core (5) is fixedly connected with the movable mold (4) through a locking support component (6); after the movable mold (4) is in butt joint with the fixed mold (1), the wire-drawing mold core (5) and the injection mold core (2) are enclosed to form a forming cavity (9).
2. The wire drawing die for injection molding according to claim 1, characterized in that: an outer vertical surface of one side of the fixed mold (1) is concavely provided with a mounting groove (13) with a square structure, the injection mold core (2) is clamped and matched with the mounting groove (13), and the melt adhesive runner (7) is positioned in the middle of the mounting groove (13); positioning grooves (11) are respectively formed in the middle of the sides of the mounting groove (13) which are longitudinally opposite, and a threaded hole (12) is vertically formed in the bottom surface of each positioning groove (11) in a penetrating mode;
locking guide subassembly (3) including connecting ear piece (31), locking screw (32) and guide rod (33), connecting ear piece (31) and corresponding constant head tank (11) joint cooperation, just connecting ear piece (31) with the relative side fixed connection of mold core (2) of moulding plastics, locking screw (32) pass screw hole (12), and with connect ear piece (31) spiro union each other, the terminal surface of locking screw (32) with connecting ear piece (31) flushes mutually, the terminal surface axial integration of locking screw (32) is docked guide rod (33), seted up perpendicularly on the outer facade of moving die utensil (4) with guide hole (41) of guide rod (33) looks adaptation.
3. The wire drawing die for injection molding according to claim 2, characterized in that: screw hole (12) deviate from first recess (14) of circular structure are seted up to the terminal surface axial of constant head tank (11), the internal diameter of first recess (14) is greater than the nut external diameter of locking screw (32), just the nut terminal surface of locking screw (32) with the opening face of first recess (14) flushes mutually.
4. The wire drawing die for injection molding according to claim 2, characterized in that: a buffer component (8) is axially arranged in the guide hole (41); the buffer assembly (8) comprises a spring (81) and a piston block (82), one end of the spring (81) is fixedly connected with the inner bottom surface of the guide hole (41), the other end of the spring is fixedly connected with the piston block (82) in the axial direction, and the piston block (82) is in clearance fit with the guide hole (41).
5. The wire drawing die for injection molding according to claim 1, characterized in that: a clamping groove (42) with a square structure is formed in the middle of the movable mold (4), and through holes (43) are longitudinally and vertically formed in the inner bottom surface of the clamping groove (42) respectively;
locking supporting component (6) include backup pad (61), clamping screw (62), connecting rod (63) and lock nut (64), backup pad (61) with draw-in groove (42) joint cooperation, backup pad (61) with through four of circumference evenly distributed between wire drawing mold core (5) clamping screw (62) spiro union each other, just the nut terminal surface of clamping screw (62) with the medial surface of backup pad (61) flushes mutually, connecting rod (63) connect perpendicularly in the medial surface middle part of backup pad (61), connecting rod (63) pass with it looks adaptation through-hole (43), the tip of connecting rod (63) is provided with screw thread section (631), the axial spiro union has on screw thread section (631) lock nut (64).
6. The wire drawing die for injection molding according to claim 5, characterized in that: the end face of the through hole (43) departing from the support plate (61) is axially provided with a second groove (44) of a circular structure, the inner diameter of the second groove (44) is larger than the outer diameter of the locking nut (64), and the end face of the threaded section (631) of the connecting rod (63) is flush with the opening face of the second groove (44).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121331510.9U CN216001229U (en) | 2021-06-16 | 2021-06-16 | Wire drawing mould for injection moulding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121331510.9U CN216001229U (en) | 2021-06-16 | 2021-06-16 | Wire drawing mould for injection moulding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216001229U true CN216001229U (en) | 2022-03-11 |
Family
ID=80524209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121331510.9U Active CN216001229U (en) | 2021-06-16 | 2021-06-16 | Wire drawing mould for injection moulding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216001229U (en) |
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2021
- 2021-06-16 CN CN202121331510.9U patent/CN216001229U/en active Active
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