CN219171549U - Front mould and rear mould coupling type core-pulling and mould-opening mould - Google Patents
Front mould and rear mould coupling type core-pulling and mould-opening mould Download PDFInfo
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- CN219171549U CN219171549U CN202222852278.4U CN202222852278U CN219171549U CN 219171549 U CN219171549 U CN 219171549U CN 202222852278 U CN202222852278 U CN 202222852278U CN 219171549 U CN219171549 U CN 219171549U
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Abstract
The utility model relates to the field of mold processing core pulling, and discloses a front mold and rear mold coupling type core pulling and mold opening mold. Comprising the following steps: the front mould and the rear mould are matched with each other through a core pulling mechanism to form an injection cavity of the pipe orifice piece. The core pulling mechanism comprises a first forming slide block, a first bent pipe forming cavity, a second forming slide block, a second bent pipe forming cavity, a positioning assembly, a third forming slide block and a pipe orifice forming piece. The first ejector rod and the second ejector rod are arranged on the rear die and extend into the bottoms of the first molding slide block and the second molding slide block from the bottoms of the first molding slide block and the second molding slide block. Through the coupling cooperation between the three molding sliding blocks, the die can complete the core pulling action only by once die opening, the working procedure is simple, and the working efficiency is high.
Description
Technical Field
The utility model relates to the field of mold processing core pulling, in particular to a front mold and rear mold coupling type core pulling and mold opening mold.
Background
When the plastic mould is used for producing plastic products, such as plastic pipe fittings, in particular pipe orifice parts, the pipe orifice parts are required to be core-pulled and demoulded firstly during demoulding, and then the pipe orifice part body can be ejected out of the mould by the mould ejection mechanism.
The existing mold generally has two mold opening processes, the first mold opening is for drawing a core for a tunnel to eject the mold, and the second mold is for integrally ejecting a pipe orifice piece, so that the problems of complicated mold opening process and low working efficiency are caused.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a front die and rear die coupled core-pulling die-opening die, which solves the problems of complex die-opening process and low working efficiency.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
a front mold and rear mold coupled core pulling and mold opening mold, comprising:
the front mould and the rear mould are matched with each other through a core pulling mechanism to form a pipe orifice injection cavity;
the core pulling mechanism comprises a first forming slide block assembled on the rear die in a sliding manner, a first bent pipe forming cavity formed in a first injection molding surface of the first forming slide block, a second forming slide block assembled on the rear die in a sliding manner and moving towards the first forming slide block, a second bent pipe forming cavity matched with the first bent pipe forming cavity formed in a second injection molding surface of the second forming slide block, a positioning assembly arranged between the first forming slide block and the second forming slide block, a third forming slide block arranged on the upper surface of the first forming slide block and synchronously moving with the first forming slide block, and a pipe orifice forming part arranged on the third forming slide block and extending into the first bent pipe forming cavity and the second bent pipe forming cavity;
the first ejector rod and the second ejector rod are arranged on the rear die and extend into the bottoms of the first molding slide block and the second molding slide block to be matched.
According to the technical scheme, when the die is assembled, the corresponding pipe orifice product piece is formed through the cooperation of the first pipe bending forming cavity, the second pipe bending forming cavity and the pipe orifice forming piece in an injection molding mode.
When the front mold and the rear mold are opened, the first ejector rod and the second ejector rod extend into the first molding slide block and the second molding slide block, and drive the first molding slide block and the second molding slide block to perform separation movement, namely the first injection molding surface and the second injection molding surface are opened, and meanwhile, when the first molding slide block moves, the first molding slide block drives the third molding slide block to move, so that a pipe orifice molding piece on the third molding slide block withdraws from a molding product, and core pulling is completed.
As a preferable scheme of the utility model, a first chute seat and a second chute seat which are matched with the first molding slide block and the second molding slide block are arranged in the rear mold; and the third chute seat is carried on the upper surface of the first molding slide block and matched with the third molding slide block.
According to the technical scheme, when the first molding slide block, the second molding slide block and the third molding slide block move, the slide blocks are limited in movement through the first chute seat, the second chute seat and the third chute seat, and meanwhile the slide blocks move smoothly on the die.
As a preferable scheme of the utility model, the positioning component comprises a positioning lug which is arranged on the second injection molding surface and positioned at one side of the second bent pipe molding cavity, and a positioning groove which is arranged on the first injection molding surface and positioned at one side of the first bent pipe molding cavity and matched with the positioning lug.
The technical scheme is realized, and in order to enable the position to be more accurate when the first bent pipe forming cavity and the second bent pipe forming cavity are attached, the problem of poor product forming quality caused by the fact that the product injection cavity is misaligned in position is avoided through the cooperation of the positioning convex blocks and the positioning grooves.
As a preferable scheme of the utility model, the first molding sliding block is provided with a caulking groove, and the caulking groove comprises a first inclined plane, a horizontal plane connected to one end of the first inclined plane and a second inclined plane connected to one end of the horizontal plane.
As a preferable scheme of the utility model, one end of the third molding sliding block is provided with an insert matched with the caulking groove, and the insert comprises a pushing end matched with the first inclined plane, an embedding end attached to the horizontal plane and a retreating end matched with the second inclined plane.
According to the technical scheme, when the die is closed, the pushing end abuts against the first inclined surface, so that the first forming sliding block moves towards the second forming sliding block, the forming surfaces are tightly attached, and when the die is removed, the pushing end is driven by the first inclined surface to synchronously move when the first forming sliding block moves.
As a preferable scheme of the utility model, the first forming sliding block is provided with a connecting groove, the third forming sliding block is provided with a first through groove, and a connecting block extending into the connecting groove is arranged in the first through groove.
According to the technical scheme, when the first forming sliding block drives the third forming sliding block to synchronously move, the connecting block is connected with the first forming sliding block, and the connecting block penetrates through the first through groove to be matched with the third forming sliding block.
As a preferable scheme of the utility model, the first molding sliding block is provided with a second through groove matched with the first ejector rod, and the second molding sliding block is provided with a third through groove matched with the second ejector rod.
According to the technical scheme, when the first molding slide block and the second molding slide block perform core pulling action, the first ejector rod and the second ejector rod extend into the first molding slide block and the second molding slide block, so that the first molding slide block and the second molding slide block perform separation movement. And when injection molding is performed, the first ejector rod and the second ejector rod withdraw from the first molding slide block and the second molding slide block, but the first ejector rod and the second ejector rod do not withdraw from the molding block completely, so that the die assembly and the die opening of the first molding slide block and the second molding slide block are prevented from being influenced next time.
As a preferable scheme of the utility model, the front die is provided with a first abutting block matched with the first forming sliding block, and the rear die is provided with a second abutting block matched with the second forming sliding block.
According to the technical scheme, when the front die and the rear die are clamped, the first abutting block moves downwards to abut against the first forming sliding block, and the second abutting block moves upwards to abut against the second forming sliding block, so that the first forming sliding block and the second forming sliding block move in opposite directions to perform die clamping movement.
In summary, the utility model has the following beneficial effects:
through the coupling cooperation between the three molding sliding blocks, the die can complete the core pulling action only by once die opening, the working procedure is simple, and the working efficiency is high.
Through locating component, improved first return bend and moulded the die cavity cooperation more accurate with the second return bend, reduced the condition that injection molding product quality is not up to standard.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic perspective view of the present utility model.
FIG. 2 is a schematic cross-sectional view of a first molding slide and a second molding slide of the present utility model.
FIG. 3 is a schematic cross-sectional view of a third molded slider of the present utility model.
Fig. 4 is a schematic view of an injection molding surface structure of a first molding slide according to the present utility model.
Fig. 5 is a schematic view of an injection molding surface structure of a second molding slide according to the present utility model.
FIG. 6 is a schematic view of an injection molding product nozzle piece according to the present utility model.
Corresponding part names are indicated by numerals and letters in the drawings:
1. a first ejector rod; 2. a first chute seat; 3. a first tightening block; 4. a third chute seat; 5. a connecting block; 6. a first through groove; 7. a third molding slide; 8. a second elbow molding cavity; 9. the second chute seat; 10. a second abutting block; 11. a second ejector rod; 12. a second molding slide; 13. a first molding slide; 14. a second inclined surface; 15. a horizontal plane; 16. a first inclined surface; 17. a rollback end; 18. an embedded end; 19. a pushing end; 20. a second through slot; 21. a third through slot; 22. a connection groove; 23. a nozzle forming member; 24. a caulking groove; 25. an insert; 26. a first elbow molding cavity; 27. a positioning groove; 28. a first injection molding surface; 29. a second injection molding surface; 30. and positioning the protruding blocks.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples
As shown in fig. 1 to 6, the present utility model is a front mold and rear mold coupled core-pulling and mold-opening mold, comprising: the front mould and the rear mould are matched with each other through a core pulling mechanism to form an injection cavity of the pipe orifice piece.
The core pulling mechanism comprises a first forming slide block 13 assembled on a rear die in a sliding manner, a first bent pipe forming cavity 26 arranged on a first injection molding surface 28 of the first forming slide block 13, a second forming slide block 12 assembled on the rear die in a sliding manner and moving towards the first forming slide block 13, a second bent pipe forming cavity 8 arranged on a second injection molding surface 29 of the second forming slide block 12 and matched with the first bent pipe forming cavity 26, a positioning component arranged between the first forming slide block 13 and the second forming slide block 12, a third forming slide block 7 arranged on the upper surface of the first forming slide block 13 and synchronously moving with the first forming slide block 13, and a pipe orifice forming part 23 arranged on the third forming slide block 7 and extending into the first bent pipe forming cavity 26 and the second bent pipe forming cavity 8.
Further, a first chute seat 2 and a second chute seat 9 which are matched with the first molding slide block 13 and the second molding slide block 12 are arranged in the rear mold; and the third chute seat 4 is loaded on the upper surface of the first molding slide 13 and matched with the third molding slide 7.
When the first molding slide 13, the second molding slide 12 and the third molding slide 7 move, the movement of the slide is limited through the first chute seat 2, the second chute seat 9 and the third chute seat 4, and meanwhile, the slide can move on a die smoothly.
Further, the positioning assembly comprises a positioning lug 30 arranged on the second injection molding surface 29 and positioned at one side of the second bent pipe molding cavity 8, and a positioning groove 27 arranged on the first injection molding surface 28 and positioned at one side of the first bent pipe molding cavity 26 and matched with the positioning lug 30.
In order to enable the positions of the first bent pipe forming cavity 26 and the second bent pipe forming cavity 8 to be more accurate when being attached, the problem of poor product forming quality caused by the fact that the product injection cavity is misaligned in position is avoided through the cooperation of the positioning convex blocks 30 and the positioning grooves 27.
Further, the first molding slide 13 is provided with a caulking groove 24, and the caulking groove 24 includes a first inclined plane 16, a horizontal plane 15 connected to one end of the first inclined plane 16, and a second inclined plane 14 connected to one end of the horizontal plane 15.
Further, one end of the third molding slide 7 is provided with an insert 25 matched with the caulking groove 24, and the insert 25 comprises a pushing end 19 matched with the first inclined plane 16, an embedding end 18 matched with the horizontal plane 15 and a retreating end 17 matched with the second inclined plane 14.
When the die is closed, the pushing end 19 abuts against the first inclined surface 16, so that the first molding slide 13 moves towards the second molding slide 12, the molding surfaces are tightly attached, and when the die is released, the pushing end 19 is driven by the first inclined surface 16 to synchronously move when the first molding slide 13 moves.
Further, a connecting groove 22 is formed in the first molding slide 13, a first through groove 6 is formed in the third molding slide 7, and a connecting block 5 extending into the connecting groove 22 is arranged in the first through groove 6.
When the first forming slide 13 drives the third forming slide 7 to move synchronously, the connecting block 5 is connected with the first forming slide 13, and the connecting block 5 passes through the first through groove 6 to be matched with the third forming slide 7.
Further, a first ejector rod 1 and a second ejector rod 11 are arranged on the rear die and extend into the bottoms of the first molding slide 13 and the second molding slide 12.
Further, the first molding slide 13 is provided with a second through groove 20 matched with the first ejector rod 1, and the second molding slide 12 is provided with a third through groove 21 matched with the second ejector rod 11.
When the first molding slide 13 and the second molding slide 12 perform the core pulling operation, the first ejector rod 1 and the second ejector rod 11 extend into the first molding slide 13 and the second molding slide 12, so that the first molding slide 13 and the second molding slide 12 perform the separation movement. In injection molding, the first ejector rod 1 and the second ejector rod 11 withdraw from the first molding slide 13 and the second molding slide 12, but the first ejector rod 1 and the second ejector rod 11 do not withdraw completely from the molding block, so as to prevent the die assembly and the die disassembly of the first molding slide 13 and the second molding slide 12 from being affected next time.
Further, a first abutting block 3 matched with the first molding slide block 13 is arranged on the front mold, and a second abutting block 10 matched with the second molding slide block 12 is arranged on the rear mold.
When the front die and the rear die are clamped, the first abutting block 3 moves downwards to abut against the first forming slide block 13, and the second abutting block 10 moves upwards to abut against the second forming slide block 12, so that the first forming slide block 13 and the second forming slide block 12 move in opposite directions to perform clamping movement.
In this embodiment, when the mold is closed, the first bent pipe forming cavity 26, the second bent pipe forming cavity 8 and the nozzle forming member 23 are matched, and the corresponding nozzle product member is formed by injection molding.
When the front mold and the rear mold are opened, the first ejector rod 1 and the second ejector rod 11 extend into the first molding slide 13 and the second molding slide 12, and drive the first molding slide 13 and the second molding slide 12 to perform separation movement, namely, the first injection molding surface 28 and the second injection molding surface 29 are opened, and simultaneously, when the first molding slide 13 moves, the first molding slide 13 drives the third molding slide 7 to move, so that the pipe orifice molding piece 23 on the third molding slide 7 is withdrawn from a molding product, and core pulling is completed.
Through the coupling cooperation between the three molding sliding blocks, the die can complete the core pulling action only by once die opening, the working procedure is simple, and the working efficiency is high.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. The utility model provides a front mould back form coupling formula mould of opening mould of loosing core which characterized in that includes:
the front mould and the rear mould are matched with each other through a core pulling mechanism to form a pipe orifice injection cavity;
the core pulling mechanism comprises a first forming slide block assembled on the rear die in a sliding manner, a first bent pipe forming cavity formed in a first injection molding surface of the first forming slide block, a second forming slide block assembled on the rear die in a sliding manner and moving towards the first forming slide block, a second bent pipe forming cavity matched with the first bent pipe forming cavity formed in a second injection molding surface of the second forming slide block, a positioning assembly arranged between the first forming slide block and the second forming slide block, a third forming slide block arranged on the upper surface of the first forming slide block and synchronously moving with the first forming slide block, and a pipe orifice forming part arranged on the third forming slide block and extending into the first bent pipe forming cavity and the second bent pipe forming cavity;
the first ejector rod and the second ejector rod are arranged on the rear die and extend into the bottoms of the first molding slide block and the second molding slide block to be matched.
2. The front mold and rear mold coupled core pulling and mold opening mold according to claim 1, wherein a first chute seat and a second chute seat which are matched with the first molding slide block and the second molding slide block are arranged in the rear mold; and the third chute seat is carried on the upper surface of the first molding slide block and matched with the third molding slide block.
3. The front mold and rear mold coupled core pulling and mold opening mold according to claim 1, wherein the positioning assembly comprises a positioning convex block arranged on the second injection molding surface and positioned at one side of the second bent pipe molding cavity, and a positioning groove arranged on the first injection molding surface and positioned at one side of the first bent pipe molding cavity and matched with the positioning convex block.
4. The front mold and rear mold coupled core pulling and mold opening mold according to claim 1, wherein the first molding slide block is provided with a caulking groove, and the caulking groove comprises a first inclined plane, a horizontal plane connected to one end of the first inclined plane, and a second inclined plane connected to one end of the horizontal plane.
5. The front mold and rear mold coupled core pulling and mold opening mold according to claim 4, wherein one end of the third molding slide block is provided with an insert matched with the caulking groove, and the insert comprises a pushing end matched with the first inclined surface, an embedding end attached to the horizontal surface and a retreating end matched with the second inclined surface.
6. The front mold and rear mold coupled core pulling and mold opening mold according to claim 1, wherein the first molding slide block is provided with a connecting groove, the third molding slide block is provided with a first through groove, and a connecting block extending into the connecting groove is arranged in the first through groove.
7. The front mold and rear mold coupled core pulling and mold opening mold according to claim 1, wherein the first molding slide block is provided with a second through groove matched with the first ejector rod, and the second molding slide block is provided with a third through groove matched with the second ejector rod.
8. The front mold and rear mold coupled core pulling and mold opening mold according to claim 1, wherein a first abutting block matched with the first molding slide block is arranged on the front mold, and a second abutting block matched with the second molding slide block is arranged on the rear mold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222852278.4U CN219171549U (en) | 2022-10-28 | 2022-10-28 | Front mould and rear mould coupling type core-pulling and mould-opening mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222852278.4U CN219171549U (en) | 2022-10-28 | 2022-10-28 | Front mould and rear mould coupling type core-pulling and mould-opening mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219171549U true CN219171549U (en) | 2023-06-13 |
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ID=86669813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222852278.4U Active CN219171549U (en) | 2022-10-28 | 2022-10-28 | Front mould and rear mould coupling type core-pulling and mould-opening mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219171549U (en) |
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2022
- 2022-10-28 CN CN202222852278.4U patent/CN219171549U/en active Active
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