CN220297685U - Mould with fine nozzle for automatically spraying release agent - Google Patents
Mould with fine nozzle for automatically spraying release agent Download PDFInfo
- Publication number
- CN220297685U CN220297685U CN202321482574.8U CN202321482574U CN220297685U CN 220297685 U CN220297685 U CN 220297685U CN 202321482574 U CN202321482574 U CN 202321482574U CN 220297685 U CN220297685 U CN 220297685U
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- CN
- China
- Prior art keywords
- mould
- runner
- hole
- release agent
- die
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- 238000005507 spraying Methods 0.000 title claims abstract description 12
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 32
- 239000007921 spray Substances 0.000 claims abstract description 16
- 239000007788 liquid Substances 0.000 claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 23
- 239000010959 steel Substances 0.000 claims description 23
- 238000001816 cooling Methods 0.000 claims description 8
- 239000006082 mold release agent Substances 0.000 claims 4
- 238000002347 injection Methods 0.000 abstract description 2
- 239000007924 injection Substances 0.000 abstract description 2
- 238000004146 energy storage Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model provides a fine nozzle mould for automatically spraying a release agent, which comprises a panel, a nozzle plate, an upper mould, a lower mould and a bottom mould which are sequentially arranged, wherein a cavity is formed between the upper mould and the lower mould, the mould also comprises a liquid storage device, a first runner and a second runner are respectively arranged in the upper mould and the lower mould, the top of the first runner is communicated with the liquid storage device, the tail of the second runner is communicated with the cavity, a spray head is arranged in the second runner, sliding holes are respectively arranged in the upper mould and the lower mould, a locking piece is arranged in the sliding holes in a sliding way, one end of the locking piece is exposed out of the sliding holes, the locking piece is provided with a third runner, the upper mould and the lower mould are also provided with a reset assembly, the reset assembly controls the locking piece to slide in the sliding holes, and the combination and the opening between the upper mould and the lower mould are controlled to move in the sliding holes, so that the release agent can be automatically sprayed out when the mould is closed, the locking piece is reset through the reset assembly when the mould is opened, the injection efficiency of the mould is increased, and the use of manpower resources is reduced.
Description
Technical Field
The utility model relates to a die, in particular to a fine nozzle die capable of automatically spraying a release agent.
Background
At present, chinese patent with publication number CN207535231U discloses a fine nozzle mold, which comprises a mold core, a panel, a nozzle plate, an upper mold and a lower mold arranged from top to bottom, wherein a sprue is fixed on the panel, and a cavity for accommodating the mold core is formed between the upper mold and the lower mold.
The prior art has the defects that when a thin-wall part or a part with high requirement on surface roughness is molded, a release agent needs to be sprayed into a cavity before the die is assembled, so that the phenomenon that the part is broken or has rough surface due to wall adhesion after the part is molded is avoided, the conventional die is usually sprayed by manpower, the efficiency is influenced due to the fact that the die is required to be opened, and the phenomenon of uneven spraying can occur.
Disclosure of Invention
In view of the above, the present utility model aims to provide a fine nozzle mold capable of automatically spraying a release agent, which has a function of automatically spraying a release agent.
In order to solve the technical problems, the technical scheme of the utility model is as follows: the utility model provides an automatic spout thin mouth of a river mould of release agent, includes panel, mouth of a river board, last mould, lower mould and the die block of arranging in proper order, go up the mould with form the cavity between the lower mould, still include the reservoir, go up the mould with all be equipped with runner one with runner two in the lower mould, runner one top with reservoir intercommunication, runner two afterbody with the cavity intercommunication, runner two is equipped with the shower nozzle, go up the mould with all be equipped with the slide hole in the lower mould, the downthehole slip of slide is provided with the locking piece, locking piece one end expose in the slide hole, runner three has been seted up to the locking piece, go up mould and lower mould still are provided with reset assembly, reset assembly control the locking piece slides in the slide hole.
Through the technical means, the first runner and the second runner are arranged through the slide Kong Geduan, the locking piece is arranged between the first runner and the second runner and is provided with the third runner, the locking piece is controlled to move in the slide hole through combination and opening between the upper die and the lower die, so that the on-off between the first runner and the second runner is controlled, the die can automatically spray the release agent when being closed, the locking piece is reset through the reset component when the die is opened, the release agent can be uniformly sprayed in the cavity through setting the position and the injection pressure of the spray head, the injection molding efficiency of the die is improved, and the use of manpower resources is reduced.
Preferably, a pressure cavity is formed between the locking piece and the bottom of the sliding hole, the pressure cavity is communicated with the first runner, a piston rod and a first spring are arranged at the bottom of the locking piece, a piston hole is formed in the bottom of the locking piece, the piston hole is connected with the piston rod in a sliding mode, the first spring is arranged between the piston rod and the locking piece, an air hole is formed in the bottom of the piston hole, a one-way valve is fixedly arranged in the first runner, and release agent in the pressure cavity cannot flow back into the liquid reservoir.
Through the technical means, when the mold is closed, the locking piece moves to the pressure cavity, the first spring is compressed to generate elastic energy storage, when the third runner is communicated with the first runner and the second runner, the elastic energy storage is released, the release agent in the pressure cavity flows into the second runner through the third runner, and the flow rate of the release agent is increased through the first spring to enable the release agent to be sprayed out.
Preferably, the reset component comprises a clamping block, a spring II and a steel ball, wherein a first locking hole is formed in the clamping block, the first locking hole is connected with the locking block in a sliding mode, a second locking hole is formed in one side wall of the locking hole, the spring II and the steel ball are arranged in the second locking hole, the spring II props against the steel ball to enable the steel ball to be exposed out of the second locking hole, a first annular groove is formed in the top of the locking block, the steel ball is clamped into the first annular groove when the upper die and the lower die are closed, a limiting groove is formed in the side wall of the locking block, and a limiting block is arranged on the side wall of the sliding hole and connected with the limiting groove in a sliding mode.
Through the technical means, when the upper die plate and the lower die plate are separated, the steel balls are propped against the first spring to be exposed out of the second lock hole and clamped into the first annular groove, so that the locking piece is pulled out, the demolding liquid is enabled to reenter the pressure cavity, when the limiting block clamps the side wall of the limiting groove, the locking piece cannot be pulled out continuously, the steel column compresses the spring and is propped into the second lock hole, and the locking piece is separated from the first lock hole.
Preferably, the clamping block is detachably connected with the upper die and the lower die, a plug is further arranged in the second locking hole, and the plug abuts against the second spring and is in threaded connection with the second locking hole.
Through the technical means, the plug is arranged in the second lock hole, so that the compression amount of the second spring can be adjusted, the force required by the steel ball to retract into the second lock hole is controlled, the first lock hole is prevented from being separated when the locking piece is not completely pulled out, the capacity of the release agent in the pressure cavity is reduced, and the flow velocity of the release agent is reduced, so that the release agent is unevenly sprayed.
Preferably, the upper die and the lower die are provided with a plurality of mounting holes, the mounting holes penetrate through the upper die and the lower die, the spray head is in threaded connection with the mounting holes, the tail part of the spray head is provided with a second annular groove, and the second annular groove is communicated with the second runner.
Through the technical means, the through holes are formed in the upper die and the lower die, the spray head is conveniently installed in the installation hole, the spray head is in threaded connection with the installation hole, the spray head is communicated with the second runner through the annular groove, the position of the spray head is conveniently adjusted, and the problem that demolding liquid cannot be sprayed out is avoided.
Preferably, the upper die and the lower die are provided with a plurality of cooling holes, and the cooling holes penetrate through the upper die and the lower die.
Through the technical means, a plurality of cooling holes are formed in the upper die and the lower die, so that the heat dissipation performance of the die is improved, the forming speed of a product is increased, and the production efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of an embodiment;
FIG. 2 is a schematic cross-sectional view of an embodiment;
FIG. 3 is a schematic view of portion A of FIG. 2;
FIG. 4 is a schematic diagram of a reset assembly;
FIG. 5 is a partial schematic view of an embodiment;
FIG. 6 is a schematic view of portion B of FIG. 5;
fig. 7 is a schematic view of portion C of fig. 5.
Reference numerals: 1. a panel; 2. a nozzle plate; 3. an upper die; 4. a lower die; 5. a bottom die; 6. a cavity; 7. a reservoir; 8. a first runner; 9. a second flow passage; 10. a spray head; 11. a slide hole; 12. a locking piece; 13. a flow passage III; 14. a reset assembly; 15. a pressure chamber; 16. a piston rod; 17. a first spring; 18. a piston bore; 19. air holes; 20. a one-way valve; 21. a clamping block; 22. a second spring; 23. steel balls; 24. a first lock hole; 25. a lock hole II; 26. a first ring groove; 27. a limit groove; 28. a limiting block; 29. a plug; 30. a mounting hole; 31. a second ring groove; 32. and cooling holes.
Detailed Description
The following detailed description of the utility model is provided in connection with the accompanying drawings to facilitate understanding and grasping of the technical scheme of the utility model.
The utility model provides an automatic spout thin mouth of a river mould of release agent, as shown in fig. 1 through 7, including panel 1 that arranges in proper order, the mouth of a river board 2, go up mould 3, lower mould 4 and die block 5, form cavity 6 between last mould 3 and the lower mould 4, still include reservoir 7, all be equipped with runner one 8 and runner two 9 in going up mould 3 and the lower mould 4, runner one 8 top and reservoir 7 intercommunication, reservoir 7 carries the release agent that has certain pressure in runner one 8, runner two 9 afterbody and cavity 6 intercommunication, runner two 9 are equipped with shower nozzle 10, all be equipped with slide hole 11 in last mould 3 and the lower mould 4, slide hole 11 sliding is provided with locking piece 12, locking piece 12 one end is exposed in slide hole 11, locking piece 12 has seted up runner three 13, when last mould 3 and lower mould 4 merge, locking piece 12 is by top back in slide hole 11, runner three 13 switch on runner one 8 and runner two 9, the input pressure control release agent's of reservoir 7 spouts stop, last mould 3 and lower mould 4 still are provided with reset assembly 14, reset assembly 14 control piece 12 slides in slide hole 11 and 3 and lower mould 4, when slide hole 11 is opened to slide hole 11, release agent is opened to the second, release assembly is opened to the slide hole 12 and release agent is opened to the second die assembly is opened to the slide hole 11.
The pressure cavity 15 is formed between the lock block 12 and the bottom of the sliding hole 11, the pressure cavity 15 is communicated with the first runner 8, the bottom of the lock block 12 is provided with the piston hole 18, the piston hole 18 is slidably connected with the piston rod 16, the piston rod 16 is provided with a groove, a bump is fixedly arranged in the piston hole 18, the bump is clamped into the groove to prevent the piston rod 16 from separating from the piston hole 18, the first spring 17 is arranged between the piston rod 16 and the lock block 12, the bottom of the piston hole 18 is provided with an air hole 19, the air hole 19 is communicated with the outside, the first runner 8 is fixedly provided with a one-way valve 20, the release agent in the pressure cavity 15 cannot flow back into the liquid reservoir 7, when the mold is closed, the lock block 12 moves to the pressure cavity 15, the first spring 17 compresses to generate elastic energy storage, when the third runner 13 is communicated with the first runner 8 and the second runner 9, the elastic energy storage is released, the release agent in the pressure cavity 15 flows into the second runner 9 through the third runner 13, the flow rate of the release agent is increased through the first spring 17, the release agent is sprayed out, when the upper mold 3 and the lower mold 4 are separated, the lock block 12 moves away from the pressure cavity 15, the one-way valve 20 is opened, and the release agent enters the pressure cavity 15.
The reset assembly 14 comprises a clamping block 21, a spring II 22 and a steel ball 23, wherein the clamping block 21 is provided with a first lock hole 24, the first lock hole 24 is in sliding connection with the locking block 12, the side wall of the first lock hole 24 is provided with a second lock hole 25, the spring II 22 and the steel ball 23 are arranged in the second lock hole 25, the spring II 22 props against the steel ball 23 to enable the steel ball 23 to be exposed out of the second lock hole 25, the top of the locking block 12 is provided with a first annular groove 26, when the upper die 3 and the lower die 4 are closed, the pressure in the pressure cavity 15 is higher than the pressure of the spring II 22 to enable the steel ball 23 to be clamped into the first annular groove 26, when the upper die 3 and the lower die 4 are separated, the spring I17 props against the steel ball 23 to enable the steel ball 23 to be exposed out of the second lock hole 25 and clamped into the first annular groove 26, so that the locking block 12 is pulled out, demoulding liquid is reentered into the pressure cavity 15, the side wall of the locking block 12 is provided with a limit groove 27, the side wall of the slide hole 11 is provided with a limit block 28, the limit block 28 is in sliding connection with the limit groove 27, when the limit block 28 is clamped on the side wall of the limit groove 27, the steel ball 23 cannot be pulled continuously pulled out, the second lock 22 is pushed into the second groove 25, and the lock hole 12 is separated from the lock hole 24.
The fixture block 21 is connected with the upper die 3 and the lower die 4 through threads, a hexagonal hole is formed in the bottom of the first lock hole 24, the fixture block 21 is conveniently screwed into the upper die 3 and the lower die 4, a plug 29 is further arranged in the second lock hole 25, the plug 29 abuts against the second spring 22 and is connected with the second lock hole 25 through threads, the compression amount of the second spring 22 is adjusted by controlling the position of the plug 29, and therefore the force required by the steel balls 23 to retract into the second lock hole 25 is set, the locking piece 12 is prevented from being separated from the first lock hole 24 when not being pulled out completely, and accordingly the flow speed of the release agent is reduced, so that the release agent is unevenly sprayed.
The upper die 3 and the lower die 4 are provided with a plurality of mounting holes 30, the mounting holes 30 penetrate through the upper die 3 and the lower die 4, the spray head 10 is conveniently installed on one surface deviating from a cavity, the spray head 10 is in threaded connection with the mounting holes 30, the tail part of the spray head 10 is provided with a second annular groove 31, the bottom of the second annular groove 31 is provided with a hole communicated with the cavity, the second annular groove 31 is communicated with a second runner 9, the position of the spray head 10 is conveniently adjusted, and the problem that release liquid cannot be sprayed out is solved.
The upper die 3 and the lower die 4 are provided with a plurality of cooling holes 32, the cooling holes 32 penetrate through the upper die 3 and the lower die 4, the heat dissipation of the dies is increased, the forming speed of products is increased, and the production efficiency is improved.
Of course, the above is only a typical example of the utility model, and other embodiments of the utility model are also possible, and all technical solutions formed by equivalent substitution or equivalent transformation fall within the scope of the utility model claimed.
Claims (6)
1. The utility model provides an automatic spout thin mouth of a river mould of release agent, includes panel (1), mouth of a river board (2), go up mould (3), lower mould (4) and die block (5) of arranging in proper order, go up mould (3) with form cavity (6), characterized by between lower mould (4): still include reservoir (7), go up mould (3) with all be equipped with runner one (8) and runner two (9) in lower mould (4), runner one (8) top with reservoir (7) intercommunication, runner two (9) afterbody with cavity (6) intercommunication, runner two (9) are equipped with shower nozzle (10), go up mould (3) with all be equipped with slide hole (11) in lower mould (4), slide in slide hole (11) is provided with latch segment (12), latch segment (12) one end expose in slide hole (11), runner three (13) have been seted up to latch segment (12), go up mould (3) and lower mould (4) still are provided with reset subassembly (14), reset subassembly (14) control latch segment (12) are in slide hole (11).
2. The mold for automatically spraying a mold release agent for a nozzle according to claim 1, wherein: the novel anti-backflow device is characterized in that a pressure cavity (15) is formed between the lock block (12) and the bottom of the sliding hole (11), the pressure cavity (15) is communicated with the first runner (8), a piston rod (16) and a first spring (17) are arranged at the bottom of the lock block (12), a piston hole (18) is formed in the bottom of the lock block (12), the piston hole (18) is slidably connected with the piston rod (16), the first spring (17) is arranged between the piston rod (16) and the lock block (12), an air hole (19) is formed in the bottom of the piston hole (18), a one-way valve (20) is fixedly arranged in the first runner (8), and release agent in the pressure cavity (15) cannot flow back into the liquid reservoir (7).
3. The mold for automatically spraying a mold release agent for a nozzle according to claim 1, wherein: the reset assembly (14) comprises a clamping block (21), a spring II (22) and a steel ball (23), wherein a first locking hole (24) is formed in the clamping block (21), the first locking hole (24) is connected with the locking block (12) in a sliding mode, a second locking hole (25) is formed in the side wall of the first locking hole (24), the spring II (22) and the steel ball (23) are arranged in the second locking hole (25), the spring II (22) abuts against the steel ball (23) to enable the steel ball to be exposed out of the second locking hole (25), a first annular groove (26) is formed in the top of the locking block (12), the steel ball (23) is clamped into the first annular groove (26) when the upper die (3) and the lower die (4) are closed, a limiting groove (27) is formed in the side wall of the locking block (12), and a limiting block (28) is arranged on the side wall of the sliding hole (11) and connected with the limiting groove (27) in a sliding mode.
4. A nozzle die for automatically spraying a release agent according to claim 3, characterized in that: the clamping block (21) is detachably connected with the upper die (3) and the lower die (4), a plug (29) is further arranged in the second locking hole (25), and the plug (29) abuts against the second spring (22) and is in threaded connection with the second locking hole (25).
5. The mold for automatically spraying a mold release agent for a nozzle according to claim 1, wherein: the upper die (3) and the lower die (4) are provided with a plurality of mounting holes (30), the mounting holes (30) penetrate through the upper die (3) and the lower die (4), the spray head (10) is in threaded connection with the mounting holes (30), the tail part of the spray head (10) is provided with a second ring groove (31), and the second ring groove (31) is communicated with the second runner (9).
6. The mold for automatically spraying a mold release agent for a nozzle according to claim 1, wherein: the upper die (3) and the lower die (4) are provided with a plurality of cooling holes (32), and the cooling holes (32) penetrate through the upper die (3) and the lower die (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321482574.8U CN220297685U (en) | 2023-06-10 | 2023-06-10 | Mould with fine nozzle for automatically spraying release agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321482574.8U CN220297685U (en) | 2023-06-10 | 2023-06-10 | Mould with fine nozzle for automatically spraying release agent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220297685U true CN220297685U (en) | 2024-01-05 |
Family
ID=89346109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321482574.8U Active CN220297685U (en) | 2023-06-10 | 2023-06-10 | Mould with fine nozzle for automatically spraying release agent |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220297685U (en) |
-
2023
- 2023-06-10 CN CN202321482574.8U patent/CN220297685U/en active Active
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| GR01 | Patent grant | ||
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