CN220464578U - PU injection mold is used in production of bicycle seat tube - Google Patents
PU injection mold is used in production of bicycle seat tube Download PDFInfo
- Publication number
- CN220464578U CN220464578U CN202321576123.0U CN202321576123U CN220464578U CN 220464578 U CN220464578 U CN 220464578U CN 202321576123 U CN202321576123 U CN 202321576123U CN 220464578 U CN220464578 U CN 220464578U
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- China
- Prior art keywords
- die holder
- lower die
- bicycle seat
- injection mold
- shaped partition
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- 238000002347 injection Methods 0.000 title claims abstract description 14
- 239000007924 injection Substances 0.000 title claims abstract description 14
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 10
- 238000005192 partition Methods 0.000 claims abstract description 20
- 238000001746 injection moulding Methods 0.000 claims abstract description 19
- 238000001816 cooling Methods 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
- 239000000110 cooling liquid Substances 0.000 claims description 13
- 239000007921 spray Substances 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 4
- 238000000465 moulding Methods 0.000 abstract description 3
- 230000003139 buffering effect Effects 0.000 abstract 1
- 239000004814 polyurethane Substances 0.000 description 13
- 229920002635 polyurethane Polymers 0.000 description 12
- 238000007493 shaping process Methods 0.000 description 5
- 229920000049 Carbon (fiber) Polymers 0.000 description 2
- 239000004917 carbon fiber Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses a PU injection mold for producing bicycle seat pipes, which comprises a lower mold base, wherein upright posts are arranged on two sides of the upper surface of the lower mold base, a top plate is arranged between the upper ends of the upright posts, a hydraulic rod is arranged below the top plate, an upper mold base is arranged below the hydraulic rod, two sides of the upper mold base are respectively connected with the upright posts on the same side in a sliding way, an upper mold is arranged below the upper mold base, a lower mold is arranged above the lower mold base and between the upright posts, a buffer mechanism is arranged on the upright posts, the buffer mechanism is used for carrying and buffering the upper mold base, the upper mold and the lower mold base are protected, the damage of pressure bearing overload is prevented, an equipment cavity is arranged in the lower mold base, an L-shaped partition plate is arranged in the equipment cavity, and a demolding mechanism and a cooling mechanism are arranged in the equipment cavity, so that a molded workpiece can be cooled and the demolding is assisted after injection molding. The utility model has the advantages that: the demolding is convenient, the molding speed of the injection molding piece is increased, and the production efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of PU injection molds, in particular to a PU injection mold for producing bicycle seat tubes.
Background
Polyurethane (PU), the full name is polyurethane, a polymer compound, have thermoplasticity linear structure, it has better stability than PVC foaming material, chemical resistance, resilience and mechanical properties, it has less compression deformability, can use carbon fiber material when bicycle seat pipe is produced, seat pipe position is in the production process, need use PU to add mandrel air entrainment area to carry out auxiliary production in the shaping technology, PU adds the mandrel and carries out embedded PU to add the core mould through solitary injection moulding integrated into one piece in the shaping technology, it takes place to assist carbon fiber tubular product shaping to add the mandrel, publication No. CN213198544U discloses a PU upset mould, during the cooling, avoid the workman manual upset, the machining efficiency has been promoted, poisonous gas that produces during the processing gets into the containing box through the buffer tank that L template was seted up, and finally by purifying net adsorption, be convenient for collect the purification to harmful gas, change the mould has some disadvantages, firstly, PU adds the mandrel because of its special-shaped shape, need set up demoulding mechanism and conveniently demold, secondly rely on the upset natural cooling mould, cooling time is long, production efficiency is reduced.
Disclosure of Invention
The PU injection mold for producing the bicycle seat tube is provided with the demoulding mechanism, the formed workpiece is ejected out of the lower mold through the electric push rod, the demoulding operation of the workpiece after injection molding is facilitated, and meanwhile, the injection molding is accelerated by converging circulating cooling liquid under the lower mold.
In order to solve the technical problems, the technical scheme provided by the utility model is as follows: the utility model provides a PU injection mold is used in bicycle seat pipe production, includes the die holder, both sides all are equipped with the stand above the die holder, be equipped with the roof between the stand upper end, be equipped with the hydraulic stem below the roof, be equipped with the upper die base below the hydraulic stem, upper die base both sides respectively with homonymous stand sliding connection, be equipped with the cope match-die below the upper die base, just be equipped with the bed die above the die holder and between the stand, be equipped with buffer mechanism on the stand, buffer mechanism accepts the cushion to the upper die base, protection cope match-die and bed die prevent pressure-bearing overload damage, be equipped with the equipment chamber in the die holder, the equipment intracavity is equipped with L type baffle, the equipment intracavity is equipped with demoulding mechanism, cooling body, can cool off the shaping work piece and assist the drawing of patterns after moulding plastics.
The upper die holder is provided with an injection molding pipe communicated with the upper die, and the injection molding pipe is a hose, so that injection molding is facilitated.
The buffer mechanism comprises a bearing plate, the bearing plate is in sliding connection with the upright post, a spring is sleeved on the upright post and positioned between the bearing plate and the lower die holder, and the bearing plate is higher than the upper surface of the lower die.
The demolding mechanism comprises a plurality of matching holes, movable blocks are arranged in the matching holes, the upper surfaces of the movable blocks are consistent with the mold cavities, a plurality of electric push rods are arranged on the L-shaped partition boards, push plates are arranged on the electric push rods, the push plates extend into the matching grooves and are located below the movable blocks, and through holes are formed in the L-shaped partition boards and between the electric push rods.
The cooling device is characterized in that cooling liquid is arranged in the lower die holder and located below the L-shaped partition plate, a liquid level detector is arranged in the lower die holder, a water pump is arranged above the L-shaped partition plate, a water inlet pipe and a water outlet pipe are respectively communicated with two sides of the water pump, the water inlet pipe extends to the inner bottom surface of the lower die holder, a heat conducting plate is arranged above the lower die holder and located below the lower die, a coil is arranged in the heat conducting plate and communicated with the water outlet pipe, a spray head is arranged at the free end of the coil and extends to one side of the L-shaped partition plate, the spray head is located above the cooling liquid, an air outlet is formed in one side, away from the L-shaped partition plate, of the lower die holder, and a fan is arranged in the air outlet.
An access door is arranged on the upper side of the front face of the lower die holder, and a grid net is arranged on the access door.
The utility model has the advantages that: the die is convenient to demold, the upper die can be separated from the lower die under the drive of the hydraulic rod, a movable block arranged in the lower die can eject a molded workpiece out of the die cavity under the pushing of the electric push rod, the operation is convenient, the demolding efficiency is high, the production efficiency is quickened, after injection molding, circulating cooling liquid is collected below the lower die, the injection molding piece in the die cavity is subjected to accelerated cooling molding, and meanwhile, the cooling liquid sprayed by the reflux is cooled through a fan, so that the cooling liquid can be subjected to circulating cooling.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic view of a heat conducting plate structure of the present utility model.
Fig. 3 is a front view of the lower die holder of the present utility model.
As shown in the figure: 1. a lower die holder; 2. a column; 3. a top plate; 4. a hydraulic rod; 5. an upper die holder; 6. an upper die; 7. a lower die; 8. an equipment chamber; 9. an L-shaped partition; 10. injection molding a tube; 11. a receiving plate; 12. a spring; 13. a mating hole; 14. a movable block; 15. an electric push rod; 16. a push plate; 17. a through hole; 18. a cooling liquid; 19. a liquid level detector; 20. a water pump; 21. a water inlet pipe; 22. a drain pipe; 23. a heat conductive plate; 24. a coiled pipe; 25. a spray head; 26. an air outlet; 27. a blower; 28. an access door; 29. a grid mesh.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings.
The utility model provides a combine figure 1, figure 2, figure 3, PU injection mold is used in bicycle seat pipe production, including die holder 1, die holder 1 is gone up both sides and is all equipped with stand 2, be equipped with roof 3 between the stand 2 upper end, be equipped with hydraulic stem 4 below roof 3, be equipped with upper die holder 5 below hydraulic stem 4, upper die holder 5 both sides respectively with stand 2 sliding connection of homonymy, be equipped with upper die 6 below upper die holder 5, be equipped with bed die 7 above die holder 1 and between stand 2, be equipped with buffer gear on the stand 2, buffer gear carries out the cushion to upper die holder 5, protects upper die 6 and bed die 7, prevents pressure-bearing overload damage, be equipped with equipment chamber 8 in die holder 1, be equipped with L baffle 9 in the equipment chamber 8, be equipped with demoulding mechanism, cooling body in the equipment chamber 8, can cool off the shaping work piece and assist the drawing of patterns after the injection molding.
The upper die holder 5 is provided with an injection molding pipe 10 communicated with the upper die 6, and the injection molding pipe 10 is a hose, so that injection molding is facilitated.
The buffer mechanism comprises a bearing plate 11, the bearing plate 11 is in sliding connection with the upright post 2, a spring 12 is sleeved between the bearing plate 11 and the lower die holder 1 on the upright post 2, and the bearing plate 11 is higher than the upper surface of the lower die 7.
The demolding mechanism comprises a plurality of matching holes 13, a movable block 14 is arranged in the matching holes 13, the shape of the upper surface of the movable block 14 is consistent with that of a mold cavity, a plurality of electric push rods 15 are arranged on the L-shaped partition plate 9, push plates 16 are arranged on the electric push rods 15, the push plates 16 extend into the matching grooves and are positioned below the movable block 14, and through holes 17 are formed on the L-shaped partition plate 9 and between the electric push rods 15.
The cooling device is characterized in that cooling liquid 18 is arranged in the lower die holder 1 and located below the L-shaped partition plate 9, a liquid level detector 19 is arranged in the lower die holder 1, a water pump 20 is arranged on the upper surface of the L-shaped partition plate 9, a water inlet pipe 21 and a water outlet pipe 22 are respectively communicated with two sides of the water pump 20, the water inlet pipe 21 extends to the inner bottom surface of the lower die holder 1, a heat conducting plate 23 is arranged on the upper surface of the lower die holder 1 and located below the lower die 7, a coil 24 is arranged in the heat conducting plate 23, the coil 24 is communicated with the water outlet pipe 22, a spray head 25 is arranged on one side of the coil 24 extending to the L-shaped partition plate 9, the spray head 25 is located above the cooling liquid 18, an air outlet 26 is arranged on one side of the lower die holder 1 away from the L-shaped partition plate 9, and a fan 27 is arranged in the air outlet 26.
An access door 28 is arranged on the upper side of the front face of the lower die holder 1, and a grid net 29 is arranged on the access door 28.
When the utility model is implemented, the hydraulic rod is started to drive the upper die holder to slide downwards on the upright post, the bearing plate slides downwards under pressure until the spring is compressed in the process, the upper die and the lower die are overlapped together, injection molding is started through the injection molding pipe, the water pump is started to suck cooling liquid through the water inlet pipe after injection molding is finished, the cooling liquid is conveyed into the coil pipe through the water outlet pipe to cool the lower die, the cooling liquid is sprayed out from the spray head and returns into the lower die holder, the fan is started, air enters the lower die holder from the grid net and is discharged from the air outlet through the through hole, air circulation heat dissipation is carried out, the electric push rod is started to enable the push plate to eject the movable block from the matched hole, and meanwhile, the hydraulic rod is started to drive the upper die and the lower die to be separated, so that a molded workpiece and the lower die are separated, and demoulding operation is completed.
The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.
Claims (6)
1. PU injection mold is used in production of bicycle seat tube, its characterized in that: including die holder (1), both sides all are equipped with stand (2) above die holder (1), be equipped with roof (3) between stand (2) upper end, be equipped with hydraulic stem (4) below roof (3), be equipped with upper die holder (5) below hydraulic stem (4), upper die holder (5) both sides respectively with stand (2) sliding connection of homonymy, be equipped with cope match-die (6) below upper die holder (5), be equipped with bed die (7) above die holder (1) and be located between stand (2), be equipped with buffer gear on stand (2), be equipped with equipment chamber (8) in die holder (1), be equipped with L type baffle (9) in equipment chamber (8), be equipped with demoulding mechanism, cooling body in equipment chamber (8).
2. The PU injection mold for producing a bicycle seat tube according to claim 1, wherein: an injection molding pipe (10) communicated with the upper die (6) is arranged on the upper die holder (5).
3. The PU injection mold for producing a bicycle seat tube according to claim 1, wherein: the buffer mechanism comprises a bearing plate (11), the bearing plate (11) is in sliding connection with the upright post (2), a spring (12) is sleeved between the bearing plate (11) and the lower die holder (1) on the upright post (2), and the bearing plate (11) is higher than the upper surface of the lower die (7).
4. The PU injection mold for producing a bicycle seat tube according to claim 1, wherein: the demolding mechanism comprises a plurality of matching holes (13), movable blocks (14) are arranged in the matching holes (13), a plurality of electric push rods (15) are arranged on the L-shaped partition boards (9), push plates (16) are arranged on the electric push rods (15), the push plates (16) extend into the matching grooves and are located below the movable blocks (14), and through holes (17) are formed in the L-shaped partition boards (9) and located between the electric push rods (15).
5. The PU injection mold for producing a bicycle seat tube according to claim 1, wherein: the cooling device is characterized in that cooling liquid (18) is arranged in the lower die holder (1) and below the L-shaped partition board (9), a liquid level detector (19) is arranged in the lower die holder (1), a water pump (20) is arranged on the upper surface of the L-shaped partition board (9), a water inlet pipe (21) and a water outlet pipe (22) are respectively communicated with two sides of the water pump (20), the water inlet pipe (21) extends to the inner bottom surface of the lower die holder (1), a heat conducting plate (23) is arranged on the upper surface of the lower die holder (1) and below the lower die (7), a coil pipe (24) is arranged in the heat conducting plate (23), the coil pipe (24) is communicated with the water outlet pipe (22), a spray head (25) is arranged on one side of the coil pipe (24) extending to the L-shaped partition board (9), an air outlet (26) is arranged on one side of the lower die holder (1) away from the L-shaped partition board (9), and a fan (27) is arranged in the air outlet (26).
6. The PU injection mold for producing a bicycle seat tube according to claim 1, wherein: an access door (28) is arranged on the upper side of the front face of the lower die holder (1), and a grid net (29) is arranged on the access door (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321576123.0U CN220464578U (en) | 2023-06-20 | 2023-06-20 | PU injection mold is used in production of bicycle seat tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321576123.0U CN220464578U (en) | 2023-06-20 | 2023-06-20 | PU injection mold is used in production of bicycle seat tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220464578U true CN220464578U (en) | 2024-02-09 |
Family
ID=89779422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321576123.0U Active CN220464578U (en) | 2023-06-20 | 2023-06-20 | PU injection mold is used in production of bicycle seat tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220464578U (en) |
-
2023
- 2023-06-20 CN CN202321576123.0U patent/CN220464578U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |