CN221583877U - TPU soft rubber punching die - Google Patents
TPU soft rubber punching die Download PDFInfo
- Publication number
- CN221583877U CN221583877U CN202322560140.1U CN202322560140U CN221583877U CN 221583877 U CN221583877 U CN 221583877U CN 202322560140 U CN202322560140 U CN 202322560140U CN 221583877 U CN221583877 U CN 221583877U
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- China
- Prior art keywords
- die
- cavity
- soft rubber
- core
- pressing seat
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- 229920001971 elastomer Polymers 0.000 title claims abstract description 32
- 238000004080 punching Methods 0.000 title claims abstract description 17
- 238000003825 pressing Methods 0.000 claims abstract description 19
- 238000007723 die pressing method Methods 0.000 claims abstract description 12
- 238000000465 moulding Methods 0.000 claims abstract description 8
- 210000001503 joint Anatomy 0.000 claims abstract description 6
- 230000006978 adaptation Effects 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 4
- 239000004433 Thermoplastic polyurethane Substances 0.000 description 17
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 17
- 238000001125 extrusion Methods 0.000 description 8
- 238000005520 cutting process Methods 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010068 moulding (rubber) Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model belongs to the technical field of dies, and discloses a TPU soft rubber punching die which comprises a lower die, wherein the upper end surface of the lower die is concave downwards to form a die cavity, and a die core capable of being up and down is arranged in the die cavity; an upper die which can be in butt joint with the lower die, wherein the lower end face of the upper die is integrally formed with an upper die pressing seat which can be embedded into a die cavity, and the lower end face of the upper die pressing seat is concavely provided with a pressing groove for accommodating a die core; the utility model adds the spring, the supporting block, the limit bar and the like, after the upper die and the lower die are completely attached, the limit bar can be used to penetrate into the limit hole formed on the supporting block, the down-pressed die core can be limited, when the molded product in the molding cavity needs to be removed, the limit bar is pulled out first, after the limit is released, the pressure spring can push the die core to move up to the upper port of the molding cavity in the process of restoring the original state, the material taking range can be increased, the molded product does not need to be taken out after extending into the bottom of the inside of the molding cavity, and the mold core is more convenient.
Description
Technical Field
The utility model belongs to the technical field of dies, and particularly relates to a TPU soft rubber punching die.
Background
The die is a tool for manufacturing a molded article, wherein TPU (thermoplastic polyurethane elastomer) soft rubber is often required to be molded by using a punching die during processing, and the soft rubber punching die is a special soft rubber manufacturing tool for punching by matching a male die with a female die.
In the patent of 201721137154.0, the utility model discloses a TPU soft rubber punching die, it describes "through the second recess and the third recess that are equipped with in this patent, simple structure prevents the die cavity direct contact on core and the master model on public mother, improve the life of public mould and master model", but this mould need stretch into in the die cavity and take out the shaping piece after TPU soft rubber stamping forming, because the cavity inner space is less, be inconvenient for taking out fast of shaping piece, secondly, this mould does not be provided with effectual extrusion material and clears away the structure, extrusion outflow adhesion is difficult to clear up fast on the TPU soft rubber on the chamber wall.
Disclosure of utility model
The utility model aims to provide a TPU soft rubber punching die to solve the problem that the existing die provided in the background art is inconvenient to take out a formed part after the TPU soft rubber is punched and formed in a cavity, and secondly, an effective extrusion material removing structure is not arranged, so that the TPU soft rubber adhered to the cavity wall is difficult to clean quickly.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the TPU soft rubber punching die comprises a lower die, wherein the upper end surface of the lower die is concave downwards to form a die cavity, and a die core capable of being up and down is arranged in the die cavity;
an upper die which can be in butt joint with the lower die, wherein the lower end face of the upper die is integrally formed with an upper die pressing seat which can be embedded into a die cavity, and the lower end face of the upper die pressing seat is concavely provided with a pressing groove for accommodating a die core;
the inside bottom symmetry of die cavity is seted up flutedly, the inside bottom of recess is connected with the pressure spring, the top of pressure spring is connected with the support piece, the top of support piece links to each other with the bottom of mold core when the mold core is located into the inside bottom of die cavity, the pressure spring is in compression state, spacing hole has been seted up to the outer wall of support piece, but the outer wall of lower mould wears to be equipped with the spacing of embedding spacing hole.
Preferably, the bottom of going up the mould pressing seat all is fixed with first cutter around and be close to border position department, the lateral surface of first cutter and the downside of going up the mould pressing seat are on a straight line, the first grooving with first cutter looks adaptation has all been seted up to border position department around the bottom of die cavity inside.
Preferably, the second cutters are fixed at the periphery of the bottom end of the upper die pressing seat and at the edge of the pressing groove, one side of the second cutters, deviating from the first cutters, is in a straight line with the outer side surface of the die core, and the second cutting groove is formed at the periphery of the bottom inside the die cavity and at the inner side of the first cutting groove.
Preferably, both sides of the bottom end of the upper die are connected with positioning rods, and both sides of the top end of the lower die are provided with positioning grooves matched with the positioning rods.
Preferably, a bump is fixed at the top of the inside of the pressing groove, and a forming cavity is formed in the upper end face of the mold core.
Preferably, the middle position of the bottom end of the mold core is connected with a guide rod, and the middle position of the bottom of the inner wall of the mold cavity is provided with a guide groove.
Compared with the prior art, the utility model has the beneficial effects that:
(1) According to the utility model, the spring, the supporting block, the limiting strip and the like are additionally arranged, after the upper die and the lower die are completely attached, the limiting strip can be utilized to penetrate into the limiting hole formed in the supporting block, the downward-pressing die core can be limited, when a formed product in the forming cavity needs to be removed and taken out, the limiting strip is pulled out first, after the limitation is released, the pressure spring can push the die core to move up to the upper port of the die cavity in the process of restoring the original state, the material taking range can be increased, the bottom inside the die cavity does not need to be stretched for taking out the formed product, and the convenience is improved.
(2) According to the utility model, the first cutter and the second cutter are additionally arranged, when the upper die is pressed down to form TPU soft rubber in the forming cavity, the tip end part of the first cutter can move downwards along the inner wall of the forming cavity, soft rubber adhered on the inner wall of the forming cavity can be scraped off during extrusion, subsequent rapid cleaning is facilitated, in addition, the tip end part of the second cutter can also move downwards along the outer wall of the die core, and soft rubber extruded from the forming cavity can be cut off during extrusion, so that the method is more convenient.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a front view of the present utility model;
In the figure: 1. a lower die; 2. a mold cavity; 3. a mold core; 4. a molding cavity; 5. a groove; 6. a support block; 7. a pressure spring; 8. a first cutter; 9. a second cutter; 10. an upper die; 11. an upper die pressing seat; 12. pressing a groove; 13. a bump; 14. a positioning rod; 15. a first slot; 16. a second slot; 17. a positioning groove; 18. a limiting hole; 19. a limit bar; 20. a guide rod.
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.
Referring to fig. 1-2, the present utility model provides the following technical solutions: TPU soft rubber punching die includes:
The lower die 1, the upper end surface of the lower die 1 is concave downward to form a die cavity 2, and a die core 3 capable of being up and down is arranged in the die cavity 2;
The upper die 10 which can be in butt joint with the lower die 1 is provided with grips at two sides of the top end of the upper die 10, rubber sleeves are sleeved outside the grips, the upper die 10 is pulled up by the grips with the rubber sleeves sleeved at two sides, so that the force application is convenient, the lower end face of the upper die 10 is integrally formed with an upper die pressing seat 11 which can be embedded into a die cavity 2, the lower end face of the upper die pressing seat 11 is concavely formed into a pressing groove 12 for accommodating a die core 3, a convex block 13 is fixed at the top of the inside of the pressing groove 12, and the upper end face of the die core 3 is provided with a forming cavity 4;
The inside bottom symmetry of die cavity 2 is offered flutedly 5, and the inside bottom of flutedly 5 is connected with pressure spring 7, and pressure spring 7's top is connected with support piece 6, and support piece 6's top links to each other with the bottom of mold core 3, and when mold core 3 is located into the inside bottom of die cavity 2, pressure spring 7 is in compression state, and spacing hole 18 has been seted up to support piece 6's outer wall, but the outer wall of lower mould 1 wears to be equipped with spacing 19 of embedding spacing hole 18.
Through the technical scheme:
When the novel TPU soft rubber molding machine is used, TPU soft rubber to be molded can be added into the molding cavity 4 formed in the lower die 1, then the upper die 10 is connected in a butt joint mode, the upper die pressing seat 11 on the upper die 10 is utilized to press down, after the upper die 10 is completely attached to the lower die 1, the limiting strip 19 is utilized to penetrate into the limiting hole 18 formed in the supporting block 6, the pressed mold core 3 can be limited, at the moment, the pressure spring 7 is in a compressed state, when a molded product in the molding cavity 4 needs to be taken out, the upper die 10 can be pulled out firstly, then the limiting strip 19 is pulled out, after limitation is removed, the pressure spring 7 can push the mold core 3 to move up to the upper port of the mold cavity 2 in the original state restoration process, the material taking range can be increased, the molded product does not need to be taken out from the bottom inside the mold cavity 2, and the novel TPU soft rubber molding machine is more convenient.
Further, two sides of the bottom end of the upper die 10 are connected with positioning rods 14, and two sides of the top end of the lower die 1 are provided with positioning grooves 17 matched with the positioning rods 14;
Specifically, when the upper die 10 is pressed down, the positioning rod 14 can be inserted into the positioning groove 17 formed in the lower die 1, and the accuracy of the butt joint between the upper die 10 and the lower die 1 can be increased.
Further, a guide rod 20 is connected to the middle position of the bottom end of the mold core 3, and a guide groove is formed in the middle position of the bottom of the inner wall of the mold cavity 2;
Specifically, when the mold core 3 moves up and down, the guide rod 20 can move along the guide groove, so that the mold core 3 can be prevented from being askew, and alignment of the mold core 3 and the pressing groove 12 is facilitated.
Referring to fig. 1, a first cutter 8 is fixed at the periphery of the bottom end of the upper mold pressing seat 11 and near the edge, the outer side surface of the first cutter 8 and the lower side surface of the upper mold pressing seat 11 are on the same straight line, and a first slot 15 adapted to the first cutter 8 is formed at the periphery of the bottom inside the mold cavity 2.
The second cutters 9 are fixed at the periphery of the bottom end of the upper die pressing seat 11 and at the edge of the pressing groove 12, one side of the second cutters 9, which is away from the first cutters 8, is in a straight line with the outer side surface of the die core 3, and the second cutting grooves 16 are formed in the periphery of the bottom inside the die cavity 2 and at the inner side of the first cutting groove 15.
Through the technical scheme:
When the upper die 10 is pressed down to form TPU soft rubber in the forming cavity 4, the tip part of the first cutter 8 can move downwards along the inner wall of the die cavity 2, and soft rubber adhered to the inner wall of the die cavity 2 can be scraped off during extrusion, so that the subsequent quick cleaning is facilitated; secondly, the tip end of the second cutter 9 can move downwards along the outer wall of the mold core 3, and the soft rubber extruded from the molding cavity 4 can be cut off during extrusion, so that the soft rubber is convenient, wherein after extrusion in place, the first cutter 8 can be embedded into the first cutting groove 15, and the second cutter 9 can be embedded into the second cutting groove 16.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
- TPU soft rubber punching die, which is characterized by comprising:The lower die (1), the upper end surface of the lower die (1) is concave downwards to form a die cavity (2), and a die core (3) capable of being up and down is arranged in the die cavity (2);An upper die (10) which can be in butt joint with the lower die (1), wherein an upper die pressing seat (11) which can be embedded into a die cavity (2) is integrally formed on the lower end surface of the upper die (10), and a pressing groove (12) for accommodating a die core (3) is formed in the upper end surface of the upper die pressing seat (11) in a concave manner;The novel die is characterized in that grooves (5) are symmetrically formed in the bottom end of the inside of the die cavity (2), pressure springs (7) are connected to the bottom of the inside of the grooves (5), supporting blocks (6) are connected to the top ends of the pressure springs (7), the top ends of the supporting blocks (6) are connected with the bottom end of the die core (3), the pressure springs (7) are in a compressed state when the die core (3) is located at the bottom of the inside of the die cavity (2), limiting holes (18) are formed in the outer wall of the supporting blocks (6), and limiting strips (19) capable of being embedded in the limiting holes (18) are formed in the outer wall of the lower die (1) in a penetrating mode.
- 2. The TPU soft rubber punching die according to claim 1, characterized in that: the bottom of going up mould pressing seat (11) all is fixed with first incision (8) around and be close to border position department, the lateral surface of first incision (8) is on a straight line with the downside of last mould pressing seat (11), first incision (15) with first incision (8) looks adaptation have all been seted up to border position department around the bottom in die cavity (2).
- 3. The TPU soft rubber punching die according to claim 2, characterized in that: the bottom of going up mould pressing seat (11) all is fixed with second cutter (9) around and be located indent (12) border department, one side that second cutter (9) deviate from first cutter (8) is on a straight line with the lateral surface of mold core (3), second grooving (16) have been seted up around and be located the inboard of first indent (15) in the inside bottom of die cavity (2).
- 4. A TPU soft rubber punching die according to claim 3, characterized in that: the two sides of the bottom end of the upper die (10) are connected with positioning rods (14), and two sides of the top end of the lower die (1) are provided with positioning grooves (17) matched with the positioning rods (14).
- 5. The TPU soft rubber punching die according to claim 4, characterized in that: the top of the inside of the pressing groove (12) is fixed with a bump (13), and the upper end surface of the mold core (3) is provided with a molding cavity (4).
- 6. The TPU soft rubber punching die according to claim 5, characterized in that: the middle position of the bottom end of the mold core (3) is connected with a guide rod (20), and the middle position of the bottom of the inner wall of the mold cavity (2) is provided with a guide groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322560140.1U CN221583877U (en) | 2023-09-20 | 2023-09-20 | TPU soft rubber punching die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322560140.1U CN221583877U (en) | 2023-09-20 | 2023-09-20 | TPU soft rubber punching die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221583877U true CN221583877U (en) | 2024-08-23 |
Family
ID=92411668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322560140.1U Active CN221583877U (en) | 2023-09-20 | 2023-09-20 | TPU soft rubber punching die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221583877U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118952599A (en) * | 2024-10-15 | 2024-11-15 | 南通跃进电机制造有限公司 | A mechanism for punching hardware in an injection mold |
-
2023
- 2023-09-20 CN CN202322560140.1U patent/CN221583877U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118952599A (en) * | 2024-10-15 | 2024-11-15 | 南通跃进电机制造有限公司 | A mechanism for punching hardware in an injection mold |
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| GR01 | Patent grant |