CN214820477U - Forming die for injection molding - Google Patents
Forming die for injection molding Download PDFInfo
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- CN214820477U CN214820477U CN202121589605.0U CN202121589605U CN214820477U CN 214820477 U CN214820477 U CN 214820477U CN 202121589605 U CN202121589605 U CN 202121589605U CN 214820477 U CN214820477 U CN 214820477U
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Abstract
The application relates to a forming die for injection molding parts, which comprises a fixed die and a movable die, wherein the fixed die is provided with a fixed die core, the movable die is provided with a movable die core, the fixed die core and the movable die core are mutually opened and closed, the forming die further comprises a sprue bush, one end of the sprue bush is used for being communicated with an externally-connected injection molding machine, the other end of the sprue bush is communicated with a partition injection molding part, and the partition injection molding part is positioned between the fixed die core and the movable die core; when the fixed die core and the movable die core are closed, a partition plate forming cavity with the shape consistent with that of a workpiece partition plate is formed between the fixed die core and the movable die core, and a partition plate injection molding piece is used for injecting liquid into the partition plate forming cavity; a core-pulling block is arranged between the fixed die and the movable die, the core-pulling block is positioned at the outer sides of the fixed die core and the movable die core, and a side plate forming cavity with the shape consistent with that of a side plate of a workpiece is formed among the core-pulling block, the fixed die core and the movable die core; the side plate forming cavity is communicated with the partition plate forming cavity; the core-pulling block is connected with the movable die in a sliding manner, and a driving piece for driving the core-pulling block to slide is further arranged between the fixed die and the movable die. This application has the effect that promotes the shaping work piece quality.
Description
Technical Field
The application relates to the technical field of injection molds, in particular to a forming mold for injection molding.
Background
The mould for injection moulding is a tool for producing plastic products, and also a tool for endowing the plastic products with complete structures and accurate dimensions, and the injection moulding is a processing method used when producing some parts with complex shapes in batches, and specifically means that plastic melted by heating is injected into a mould cavity from an injection moulding machine under high pressure, and a formed product is obtained after cooling and solidification.
An injection molding workpiece comprises an outer side wall and an inner baffle, wherein the inner baffle is positioned in the middle of the workpiece, and a central hole is formed in the center of the middle of the inner baffle. The injection mold used during injection molding of the workpiece comprises a movable mold and a fixed mold, wherein the movable mold is arranged on a movable mold plate of the injection molding machine, the fixed mold is arranged on a fixed mold plate of the injection molding machine, the movable mold and the fixed mold are closed to form a pouring system and a cavity during injection molding, and the movable mold and the fixed mold are separated during mold opening so as to take out the workpiece.
In view of the above-mentioned related art, the inventors consider that there is a defect that a die is insufficient when an injection mold forms a workpiece having an inner partition plate, and the quality of the workpiece is not high.
Disclosure of Invention
In order to promote the shaping work piece quality, this application provides a forming die for injection molding.
The application provides a forming die for injection molding adopts following technical scheme:
a forming die for injection molding pieces comprises a fixed die and a movable die, wherein a fixed die core is arranged on the fixed die, a movable die core is arranged on the movable die, and the fixed die core and the movable die core are mutually opened and closed along with the movement of the fixed die and the movable die; the injection molding device is characterized by further comprising a sprue bush, wherein one end of the sprue bush is communicated with an externally-connected injection molding machine, the other end of the sprue bush is communicated with a partition plate injection molding piece, and the partition plate injection molding piece is positioned between the fixed die core and the movable die core; when the fixed die core and the movable die core are assembled, a partition plate forming cavity with the shape consistent with that of a partition plate of a workpiece is formed between the fixed die core and the movable die core, and the partition plate injection molding piece is used for injecting liquid into the partition plate forming cavity; a core-pulling block is also arranged between the fixed die and the movable die and is positioned at the outer sides of the fixed die core and the movable die core, and a side plate forming cavity with the shape consistent with that of a side plate of a workpiece is formed among the core-pulling block, the fixed die core and the movable die core; the side plate forming cavity is communicated with the partition plate forming cavity; the core-pulling block is connected with the movable die in a sliding mode, and a driving piece used for driving the core-pulling block to slide towards the direction close to or away from each other is further arranged between the fixed die and the movable die.
By adopting the technical scheme, during injection molding, the movable mold core and the fixed mold core are matched with the movable mold and the fixed mold, injection molding liquid enters the junction of the fixed mold core and the movable mold core from the sprue bush, is injected into the partition molding cavity through the partition injection molding part and then flows into the side plate molding cavity, and therefore the workpiece punching die is completed. After the workpiece is molded, the movable mold and the fixed mold are opened, the movable mold core and the fixed mold core are separated, and the core-pulling block is far away from the movable mold core and the fixed mold core, so that the workpiece is demoulded. The liquid of moulding plastics begins to mould plastics from middle part baffle forming cavity, and it is more abundant from the bottom or the top die of moulding plastics of curb plate forming cavity than the liquid of moulding plastics, and the liquid of moulding plastics receives time and temperature to influence and reduces, and it is more even to flow to be favorable to promoting the quality of work piece.
Preferably, the partition board injection molding piece comprises a flow dividing pipe and a mounting seat, a mounting groove is formed in one side, close to the fixed mold core, of the movable mold core, the mounting seat is clamped in the mounting groove, the mounting seat is connected with the movable mold core in a sliding mode, and the fixed mold core is abutted to the mounting seat; the shunt tubes extend towards the horizontal direction, the shunt tubes are fixedly installed on the installation seat, one ends of the shunt tubes are communicated with the sprue bush, and the other ends of the shunt tubes are communicated with the partition plate forming cavity.
By adopting the technical scheme, the mounting seat is clamped in the mounting groove during injection molding, and the fixed die core is abutted with the mounting seat, so that the forming of the central hole of the workpiece is realized; the shunt tubes inject injection molding liquid in the sprue bush into the partition plate forming cavity and the side plate forming cavity, and after a workpiece is formed, the mounting seat is separated from the mounting groove due to the opening of the movable mold and the fixed mold, so that the workpiece is demoulded. The injection molding direction of the sprue bush is changed by adopting the shunt tubes, and the middle partition plate is injected first, so that the injection molding liquid die is more sufficient.
Preferably, one end of the flow dividing pipe, which is far away from the sprue bush, is provided with a flow limiting nozzle, one end of the flow limiting nozzle is communicated with the flow dividing pipe, and the other end of the flow limiting nozzle is communicated with the partition plate forming cavity.
Through adopting above-mentioned technical scheme, the choke has played certain current-limiting effect to the liquid of moulding plastics in the shunt pipe, and the liquid velocity of flow of moulding plastics reduces for the liquid of moulding plastics that pours into in the baffle shaping chamber mixes more evenly, is favorable to promoting the quality of work piece.
Preferably, the shunt tubes are provided with a plurality of shunt tubes, and the plurality of shunt tubes are arranged along the circumferential direction.
Through adopting above-mentioned technical scheme, the shunt tubes set up many, and the orientation level extends all around, and many shunt tubes are moulded plastics simultaneously, have promoted the work efficiency who moulds plastics.
Preferably, the side wall of the mounting groove is circumferentially provided with a limiting block, the side wall of the mounting seat is provided with a limiting groove, and the limiting block is clamped in the limiting groove.
Through adopting above-mentioned technical scheme, stopper and spacing groove have played certain fixed action to the mount pad, have strengthened the stability of mount pad in the mounting groove.
Preferably, the driving piece comprises an inclined guide block, the core-pulling block is provided with a clamping groove, the inclined guide block is clamped in the clamping groove, and the inclined guide block is fixedly connected with the fixed die; an inclined sliding block is arranged on one side, close to the movable mold core, of the inclined guide block, an inclined sliding groove is formed in the position, corresponding to the inclined sliding block, of the core pulling block, the inclined sliding groove is communicated with the clamping groove, the inclined sliding block is clamped in the inclined sliding groove, and the inclined sliding block is connected with the core pulling block in a sliding mode; one side of the core pulling block, which is far away from the movable mould core and the fixed mould core, is an inclined plane, the inclined plane inclines from the fixed mould to the movable mould, and one ends, which are far away from the movable mould core, of the inclined plane are close to each other; and the fixed die is provided with an inclined surface spliced with the inclined plane at a position corresponding to the inclined plane of the core-pulling block.
By adopting the technical scheme, when the movable mould and the fixed mould are opened, the inclined guide block moves upwards relative to the movable mould, the inclined slide block slides in the inclined slide groove, the core-pulling block is driven to move towards the direction far away from the movable mould kernel and the fixed mould core, so that the core-pulling block is separated from the movable mould core and the fixed mould core, and the inclined guide block is separated from the core-pulling block after the inclined slide block slides out of the inclined slide groove, so that the demoulding of a workpiece is realized. The inclined guide block is connected with the fixed die, the core-pulling block is connected with the movable die, the structural connectivity between the fixed die and the movable die is enhanced, and the inclined guide block drives the core-pulling block to slide, so that the linkage between the core-pulling block and the movable die and the fixed die is realized.
Preferably, one side of each of the two core-pulling blocks, which is close to the outer side walls of the fixed die core and the movable die core, is provided with a convex strip, and the convex strips are abutted against the fixed die core and the movable die core; the convex strips are used for forming through holes in the side plates of the workpiece.
Through adopting above-mentioned technical scheme, the liquid stream of moulding plastics receives blockking of sand grip when the sand grip to realized the shaping of through-hole on the work piece curb plate, be favorable to alleviateing the work piece quality, save materials.
Preferably, the fixed die is further provided with a buffer plate, and the buffer plate is abutted to the core pulling block.
By adopting the technical scheme, the buffer plate plays a certain buffer action on the core-pulling block, and reduces the impact wear between the core-pulling block and the fixed die during movement.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the forming die is provided with a fixed die core, a movable die core, a core pulling block and a sprue bush, the core pulling block is positioned at the periphery of the fixed die core and the movable die core, a side plate forming cavity is formed between the core pulling block and the fixed die core and between the core pulling block and the movable die core, a partition plate forming cavity is formed at the junction of the fixed die core and the movable die core and is communicated with the side plate forming cavity, a partition plate injection molding piece is arranged at one end of the sprue bush, which extends between the fixed die core and the movable die core, and is communicated with the sprue bush, and the partition plate injection molding piece injects injection molding materials into the partition plate forming cavity and the side plate forming cavity from the middle part of the partition plate injection molding piece, so that the injection molding liquid is fully stamped and uniformly flows, and the quality of a workpiece is favorably improved;
2. the partition injection molding part comprises a flow dividing pipe and a mounting seat, the mounting seat is clamped in a mounting groove on the movable die core, the flow dividing pipe is communicated with the sprue bush, the flow dividing pipe extends horizontally, the injection molding direction is changed, injection molding liquid is injected into a partition molding cavity, and a workpiece is molded from the partition plate, so that the injection molding liquid is fully stamped by the die, and the quality of the workpiece is improved;
3. the one end that the runner cover was kept away from to the shunt tubes is provided with the flow-limiting nozzle, and the flow-limiting nozzle makes the liquid of moulding plastics that flows in the baffle shaping chamber more even, is favorable to promoting the quality of work piece.
Drawings
Fig. 1 is a schematic view of the overall structure of a workpiece.
Fig. 2 is a schematic overall structure diagram of an embodiment of the present application.
FIG. 3 is a schematic structural diagram of a fixed mold according to an embodiment of the present application.
FIG. 4 is a schematic structural diagram of a partition injection molded part according to an embodiment of the present application.
FIG. 5 is a schematic partial structure diagram of a movable mold according to an embodiment of the present application.
FIG. 6 is a schematic structural diagram of a movable mold according to an embodiment of the present application.
Fig. 7 is a structural sectional view of an embodiment of the present application.
Fig. 8 is a partially enlarged view of a in fig. 7.
Description of reference numerals:
1. a workpiece; 11. a side plate; 111. a through hole; 12. a partition plate; 121. a protrusion; 122. a central bore; 2. fixing a mold; 21. fixing a mold core; 211. a groove; 22. a buffer plate; 3. moving the mold; 31. a movable mould core; 311. a boss; 312. mounting grooves; 313. a limiting block; 32. a sliding groove; 33. fixing the rod; 4. a sprue bush; 5. a separator plate injection molded part; 51. a communicating vessel; 52. a shunt tube; 53. a flow-limiting nozzle; 54. a mounting seat; 541. a limiting groove; 6. core extraction; 61. a card slot; 62. an inclined chute; 63. a convex strip; 7. an inclined guide block; 71. a connecting rod; 72. an inclined slide block; 8. A partition forming cavity; 9. the side plates form a cavity.
Detailed Description
The present application is described in further detail below with reference to figures 1-8.
An injection molded workpiece. Referring to fig. 1, a workpiece 1 comprises a side plate 11 and a partition plate 12, the partition plate 12 is located in the middle of the workpiece 1, a circular truncated cone-shaped protrusion 121 is arranged in the middle of the partition plate 12, and a central hole 122 is formed in the center of the protrusion 121; a plurality of through holes 111 are formed at opposite sides of the side plate 11.
The embodiment of the application discloses forming die for injection molding. Referring to fig. 2, the forming mold comprises a fixed mold 2, a movable mold 3 and a sprue bush 4, the fixed mold 2 and the movable mold 3 are respectively installed on an injection molding machine, and the fixed mold 2 and the movable mold 3 are opened and closed mutually under the action of the injection molding machine, so that mold opening and mold closing of the mold are realized. One end of the sprue bush 4 is communicated with the injection molding machine, the other end of the sprue bush extends into the mold, and the sprue bush 4 is used for injection molding liquid.
Referring to fig. 3, the fixed mold 2 comprises a fixed mold core 21, the fixed mold 2 is fixedly arranged on a fixed mold 2 plate of an injection molding machine, the fixed mold core 21 is fixedly arranged on the fixed mold 2, a groove 211 matched with a protrusion 121 of a workpiece 1 is arranged on the fixed mold core 21, the sprue bush 4 extends into the fixed mold core 21, and one end, located inside the fixed mold core 21, of the sprue bush 4 is communicated with a partition plate injection molding part 5.
Referring to fig. 4, the partition injection molding part 5 comprises a plurality of shunt tubes 52 and a mounting seat 54, the shunt tubes 52 are provided with three shunt tubes 52, one ends of the three shunt tubes 52 are communicated with each other, the other ends of the three shunt tubes extend horizontally from the sprue bush 4 along the circumferential direction, one end of the three shunt tubes 52, which converges, is provided with a communicating vessel 51, and the communicating vessel 51 is used for communicating the sprue bush 4 with the shunt tubes 52; one end of the shunt pipe 52, which is far away from the sprue bush 4, is provided with a flow limiting nozzle 53, and the flow limiting nozzle 53 is used for slowing down the flow rate of injection molding liquid, so that the flowing injection molding liquid is more uniform, and the quality of the workpiece 1 is favorably improved. The shunt pipe 52 is fixedly connected with the mounting seat 54, the mounting seat 54 is used for being connected with the fixed die core 21, and the injection molding liquid in the sprue bush 4 changes the flowing direction through the shunt pipe 52 and horizontally flows out around the sprue bush 4.
Referring to fig. 5, the movable mold 3 includes a movable mold core 31, the movable mold core 31 is fixedly installed on the movable mold 3, a boss 311 is arranged on the movable mold core 31, the shape of the boss 311 is consistent with the shape of the protrusion 121 on the workpiece 1, an installation groove 312 is formed in the center of the boss 311, the installation groove 312 is used for clamping the installation seat 54, the movable mold 3 is fixedly installed on a movable template of the injection molding machine, the movable mold 3 can move close to or away from the fixed mold 2 along with the movable template of the injection molding machine to drive the movable mold core 31 to move, and opening and closing between the fixed mold core 21 and the movable mold core 31 are achieved.
Referring to fig. 6 and 7, four core-pulling blocks 6 are further arranged on the movable mold 3, the four core-pulling blocks 6 are respectively located around the movable mold core 31, the four core-pulling blocks 6 are mutually abutted, and a gap is reserved between one side of each core-pulling block 6, which is close to the movable mold core 31, and the movable mold core 31; one side of each of the two core-pulling blocks 6 which are oppositely arranged and close to the movable die core 31 is fixedly connected with a plurality of protruding strips 63, and the protruding strips 63 are arranged at equal intervals from the fixed die 2 to the movable die 3.
The movable mould 3 is provided with a sliding groove 32 corresponding to the position of the core pulling block 6, the lower half part of the core pulling block 6 is clamped in the sliding groove 32, and the core pulling block 6 is connected with the movable mould 3 in a sliding manner. The upper half part of the core pulling block 6 is used for stretching into the fixed die 2 to be abutted against the fixed die 2, the upper half part of the core pulling block 6 is in a trapezoidal table shape, one side, close to the inclined guide block 7, of the upper half part of the core pulling block 6 is an inclined plane, the inclined plane inclines from the fixed die 2 to the movable die 3, one end, far away from the movable die core 31, of the inclined plane is close to each other, an inclined plane spliced with the inclined plane of the core pulling block 6 is arranged at the position, corresponding to the inclined plane of the core pulling block 6, of the fixed die 2, a buffer plate 22 is arranged on the inclined plane of the fixed die 2, one side of the buffer plate 22 is fixedly connected with the fixed die 2, and the other side of the buffer plate is abutted against the core pulling block 6.
Referring to fig. 6 and 7, the mold is further provided with a driving member for driving the core pulling block 6 to slide towards directions close to or away from each other, the driving member includes an inclined guide block 7, the core pulling block 6 is provided with a clamping groove 61, the inclined guide block 7 is clamped in the clamping groove 61, an inclined surface of the inclined guide block 7 is close to the bottom of the clamping groove 61, the inclined guide block 7 is fixedly connected with an inclined slide block 72 on one side of the inclined surface, the core pulling block 6 is provided with an inclined slide groove 62 corresponding to the inclined slide block 72, the inclined slide groove 62 is communicated with the clamping groove 61, the inclined slide block 72 is clamped in the inclined slide groove 62, and the inclined slide block 72 is connected with the core pulling block 6 in a sliding manner; the inclined guide block 7 is fixedly connected with a connecting rod 71, and the connecting rod 71 is used for fixedly connecting the inclined guide block 7 with the fixed die 2. When the fixed die 2 and the movable die 3 are opened, the inclined guide block 7 slides upwards relative to the core pulling block 6, the inclined slide block 72 clamped in the inclined slide groove 62 moves, so that the core pulling block 6 horizontally moves towards the direction far away from the movable die core 31 to meet the movement of the inclined slide block 72, the inclined slide block 72 slides out of the inclined slide groove 62, the core pulling block 6 is far away from the movable die core 31, the fixed die core 21 is separated from the movable die core 31, and the demolding of the workpiece 1 is realized.
Referring to fig. 7 and 8, when the fixed mold 2 and the movable mold 3 are clamped with each other, the mounting seat 54 is clamped into the mounting groove 312, the side wall 11 of the mounting groove 312 is fixedly connected with a limit block 313 along the circumferential direction, and a limit groove 541 is formed in the side wall 11 of the mounting seat 54 corresponding to the position of the limit block 313. One side of the core insert 21 close to the core insert 31 abuts against the mounting seat 54, so as to realize the molding of the central hole 122 of the workpiece 1. A partition plate forming cavity 8 is formed between one side of the movable mold core 31 close to the fixed mold core 21 and one side of the fixed mold core 21 close to the movable mold core 31, and the shape of the partition plate forming cavity 8 is consistent with that of the partition plate 12 of the workpiece 1; the core pulling block 6 is inserted into the fixed die 2, and the inclined surface of the core pulling block 6 is abutted against the buffer plate 22; the convex strip 63 on the side wall of the core pulling block 6 is abutted against the side walls of the fixed die core 21 and the movable die core 31, a side plate forming cavity 9 is formed by a gap between the core pulling block 6 and the fixed die core 21 and the movable die core 31, the shape of the side plate forming cavity 9 is consistent with that of a side plate 11 of the workpiece 1, and the side plate forming cavity 9 is communicated with the partition plate forming cavity 8; the injection liquid in the sprue bush 4 is injected into the partition plate forming cavity 8 from the shunt pipe 52 and then flows into the side plate forming cavity 9, so that the punching die of the workpiece 1 is realized.
The implementation principle of a forming die for injection molding in the embodiment of the application is as follows: during injection molding, the fixed mold 2 and the movable mold 3 are firstly matched, the mounting seat 54 can be inserted into the mounting groove 312 on the movable mold core 31, a partition plate molding cavity 8 is formed in a gap between the fixed mold core 21 and the movable mold core 31, a side plate molding cavity 9 is formed in a gap between the core pulling block 6 on the outer side of the fixed mold core 21 and the movable mold core 31, injection molding liquid is injected into the sprue bush 4 by the injection molding machine, the injection molding liquid flows into the flow dividing pipe 52, flows into the partition plate molding cavity 8 after being limited by the flow limiting nozzle 53 and then flows into the side plate molding cavity 9, and injection molding of the workpiece 1 is realized; after the injection molding is finished, the fixed die 2 and the movable die 3 are opened, the fixed die core 21 and the movable die core 31 are far away from each other, the core-pulling block 6 is dispersed towards the periphery under the influence of the relative motion of the movable die 3 and the inclined guide block 7 in the direction far away from the movable die core 31, the inclined slide block 72 is separated from the inclined slide groove 62, and the demolding of the workpiece 1 is realized. The forming die is provided with the partition plate injection molding part 5, injection molding is started from the middle partition plate forming cavity 8, the injection molding liquid flows more uniformly, and the punching die is more sufficient, so that the quality of the workpiece 1 is improved.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a forming die for injection molding, includes cover half (2) and movable mould (3), its characterized in that: the injection molding device is characterized in that a fixed die core (21) is arranged on the fixed die (2), a movable die core (31) is arranged on the movable die (3), the fixed die core (21) and the movable die core (31) are mutually opened and closed along with the movement of the fixed die (2) and the movable die (3), the injection molding device also comprises a sprue bush (4), one end of the sprue bush (4) is used for being communicated with an external injection molding machine, the other end of the sprue bush is communicated with a partition plate injection molding part (5), and the partition plate injection molding part (5) is positioned between the fixed die core (21) and the movable die core (31); when the fixed die core (21) and the movable die core (31) are closed, a partition plate forming cavity (8) with the shape consistent with that of a partition plate (12) of a workpiece (1) is formed between the fixed die core (21) and the movable die core (31), and the partition plate injection molding piece (5) is used for injecting liquid into the partition plate forming cavity (8);
a core-pulling block (6) is further arranged between the fixed die (2) and the movable die (3), the core-pulling block (6) is positioned at the outer sides of the fixed die core (21) and the movable die core (31), and a side plate forming cavity (9) with the shape consistent with that of a side plate (11) of the workpiece (1) is formed among the core-pulling block (6), the fixed die core (21) and the movable die core (31); the side plate forming cavity (9) is communicated with the partition plate forming cavity (8);
the core-pulling block (6) is connected with the movable die (3) in a sliding mode, and a driving piece used for driving the core-pulling block (6) to slide towards the direction close to or far away from each other is further arranged between the fixed die (2) and the movable die (3).
2. The molding die for injection-molded parts according to claim 1, wherein: the partition plate injection molding piece (5) comprises a flow dividing pipe (52) and a mounting seat (54), one side, close to the fixed mold core (21), of the movable mold core (31) is provided with a mounting groove (312), the mounting seat (54) is clamped in the mounting groove (312), the mounting seat (54) is in sliding connection with the movable mold core (31), and the fixed mold core (21) is abutted to the mounting seat (54); the shunt tubes (52) extend towards the horizontal direction, the shunt tubes (52) are fixedly installed on the installation seat (54), one ends of the shunt tubes (52) are communicated with the sprue bush (4), and the other ends of the shunt tubes (52) are communicated with the partition plate forming cavity (8).
3. The molding die for injection-molded parts according to claim 2, wherein: one end of the flow dividing pipe (52) far away from the sprue bush (4) is provided with a flow limiting nozzle (53), one end of the flow limiting nozzle (53) is communicated with the flow dividing pipe (52), and the other end of the flow limiting nozzle is communicated with the partition plate forming cavity (8).
4. The molding die for injection-molded parts according to claim 3, wherein: the shunt tubes (52) are provided with a plurality of shunt tubes (52), and the shunt tubes (52) are arranged along the circumferential direction.
5. The molding die for injection-molded parts according to claim 2, wherein: be provided with stopper (313) along circumference on the lateral wall of mounting groove (312), spacing groove (541) have been seted up on the lateral wall of mount pad (54), stopper (313) joint in spacing groove (541).
6. The molding die for injection-molded parts according to claim 1, wherein: the driving piece comprises an inclined guide block (7), the core-pulling block (6) is provided with a clamping groove (61), the inclined guide block (7) is clamped in the clamping groove (61), and the inclined guide block (7) is fixedly connected with the fixed die (2); an inclined sliding block (72) is arranged on one side, close to the movable die core (31), of the inclined guide block (7), an inclined sliding groove (62) is formed in the position, corresponding to the inclined sliding block (72), of the core-pulling block (6), the inclined sliding groove (62) is communicated with the clamping groove (61), the inclined sliding block (72) is clamped in the inclined sliding groove (62), and the inclined sliding block (72) is connected with the core-pulling block (6) in a sliding mode; one side of the core-pulling block (6), which is far away from the movable mould core (31) and the fixed mould core (21), is an inclined plane, and the inclined plane inclines from the fixed mould (2) to the movable mould (3); one ends of the inclined planes far away from the movable mould core (31) are close to each other; and the fixed die (2) is provided with an inclined surface spliced with the inclined plane corresponding to the inclined plane of the core-pulling block (6).
7. The molding die for injection-molded parts according to claim 6, wherein: one side, close to the outer side walls of the fixed die core (21) and the movable die core (31), of the two core pulling blocks (6) which are arranged oppositely is provided with a convex strip (63), and the convex strip (63) is abutted against the fixed die core (21) and the movable die core (31); the convex strips (63) are used for forming through holes (111) in side plates (11) of the workpiece (1).
8. The molding die for injection-molded parts according to claim 6, wherein: the fixed die (2) is further provided with a buffer plate (22), and the buffer plate (22) is abutted to the core-pulling block (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121589605.0U CN214820477U (en) | 2021-07-13 | 2021-07-13 | Forming die for injection molding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121589605.0U CN214820477U (en) | 2021-07-13 | 2021-07-13 | Forming die for injection molding |
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| CN214820477U true CN214820477U (en) | 2021-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121589605.0U Active CN214820477U (en) | 2021-07-13 | 2021-07-13 | Forming die for injection molding |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114347399A (en) * | 2021-12-16 | 2022-04-15 | 苏州瑞尔福精密模具有限公司 | Drawing mechanism for injection mold and using method thereof |
| CN117507257A (en) * | 2023-11-15 | 2024-02-06 | 东莞市现代精工实业有限公司 | Main runner plate mold of liquid distribution plate of thermal management system |
-
2021
- 2021-07-13 CN CN202121589605.0U patent/CN214820477U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114347399A (en) * | 2021-12-16 | 2022-04-15 | 苏州瑞尔福精密模具有限公司 | Drawing mechanism for injection mold and using method thereof |
| CN117507257A (en) * | 2023-11-15 | 2024-02-06 | 东莞市现代精工实业有限公司 | Main runner plate mold of liquid distribution plate of thermal management system |
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