CN215095408U - Nitrogen spring auxiliary ejection mechanism for automobile thin-wall bumper mould - Google Patents
Nitrogen spring auxiliary ejection mechanism for automobile thin-wall bumper mould Download PDFInfo
- Publication number
- CN215095408U CN215095408U CN202023055479.9U CN202023055479U CN215095408U CN 215095408 U CN215095408 U CN 215095408U CN 202023055479 U CN202023055479 U CN 202023055479U CN 215095408 U CN215095408 U CN 215095408U
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- Prior art keywords
- ejection
- nitrogen spring
- mould
- thin
- block
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/44—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/44—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles
- B29C33/46—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles using fluid pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/40—Removing or ejecting moulded articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/40—Removing or ejecting moulded articles
- B29C45/43—Removing or ejecting moulded articles using fluid under pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/40—Removing or ejecting moulded articles
- B29C45/44—Removing or ejecting moulded articles for undercut articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
Abstract
The utility model provides a car thin wall is supplementary ejection mechanism of nitrogen spring for bumper mould belongs to manufacturing die technical field. It has solved the low scheduling problem of current car thin wall bumper mould drawing of patterns efficiency. This supplementary ejection mechanism of nitrogen spring for car thin wall bumper mould, including movable mould and cover half, be formed with the shaping chamber between movable mould and the cover half, be equipped with on the cover half and be used for ejecting piece of injection molding and drive ejecting piece and be close to or keep away from the drive structure of movable mould, be provided with spring auxiliary structure on the ejecting piece, spring auxiliary structure can carry out ejecting motion relatively ejecting piece, still is provided with guide structure between ejecting piece and the cover half. The utility model has the advantages of high demoulding efficiency.
Description
Technical Field
The utility model belongs to the technical field of make the mould, a car thin wall is supplementary ejection mechanism of nitrogen spring for bumper mould is related to.
Background
The injection mould is a tool for producing plastic products, and is also a tool for endowing the plastic products with complete structures and accurate sizes, the injection moulding is a processing method used when producing some parts with complex shapes in batches, and specifically, the injection mould is used for injecting heated and melted plastics into a mould cavity by an injection moulding machine at high pressure, and obtaining a formed product after cooling and solidification.
When the product is subjected to injection molding, the product needs to be separated from the mold, and demolding operation needs to be carried out, so that an ejection block or a core pulling block needs to be arranged to complete demolding, and particularly for a large-scale product such as an automobile bumper, the ejection is usually carried out by directly utilizing the molding block.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above-mentioned problem, a supplementary ejection mechanism of nitrogen spring for car thin wall bumper mould is provided.
In order to achieve the above purpose, the utility model adopts the following technical proposal:
the utility model provides a car thin wall is supplementary ejection mechanism of nitrogen spring for bumper mould, includes movable mould and cover half, movable mould and cover half between be formed with the die cavity, its characterized in that, be equipped with the drive structure that is used for ejecting piece of injection molding and the ejecting piece of drive to be close to or keep away from the movable mould on the cover half, ejecting piece on be provided with nitrogen spring auxiliary structure, nitrogen spring auxiliary structure can carry out ejecting motion by ejecting piece relatively, ejecting piece and cover half between still be provided with guide structure.
In the nitrogen spring auxiliary ejection mechanism for the automobile thin-wall bumper mould, the driving structure comprises a moving plate which is arranged in the fixed mould and can move relative to the fixed mould, a driving rod is arranged on the moving plate, and a sliding structure is arranged between the top end of the driving rod and the ejection block.
In the nitrogen spring auxiliary ejection mechanism for the automobile thin-wall bumper die, the sliding structure comprises a sliding block arranged on the driving rod and a sliding groove arranged on the bottom end face of the ejection block, and the sliding block is clamped in the sliding groove and slides along the length direction of the sliding groove.
In the nitrogen spring auxiliary ejection mechanism for the automobile thin-wall bumper die, the sliding block comprises a body and connecting wings arranged on the end faces of the two sides of the body, the upper surfaces of the connecting wings are flush with the upper surface of the body, and the cross section of the sliding block is in a convex shape.
In the nitrogen spring auxiliary ejection mechanism for the automobile thin-wall bumper mould, the nitrogen spring auxiliary structure comprises an elastic shell arranged inside an ejection block, a hollow inner cavity is formed in the elastic shell, an ejection opening identical to the inner cavity is formed in the elastic shell, an ejection piece is arranged in the inner cavity, and the ejection end of the ejection piece penetrates out of the ejection opening and extends to the surface of the ejection block.
In the nitrogen spring auxiliary ejection mechanism for the automobile thin-wall bumper mould, the ejection piece comprises a lower sealing part and an upper ejection part connected to the lower sealing part, the side edge of the lower sealing part is in sealing contact with the inner wall of the elastic shell, an elastic spring is arranged between the upper side of the lower sealing part and the elastic shell, and an air hole is formed in the bottom end face of the elastic shell.
In the nitrogen spring auxiliary ejection mechanism for the automobile thin-wall bumper die, wear-resistant plates are arranged on the upper surfaces of the ejection blocks and at positions corresponding to the penetrating parts of the upper ejection parts, and upper through holes for the upper ejection parts to penetrate through are formed in the wear-resistant plates.
In the nitrogen spring auxiliary ejection mechanism for the automobile thin-wall bumper mould, an assembly cavity for installing the wear-resisting plate is formed in the upper surface of the ejection block, and the wear-resisting plate is fixed in the assembly cavity through a bolt.
In the nitrogen spring auxiliary ejection mechanism for the automobile thin-wall bumper die, the guide structure comprises at least two guide rods, the guide rods are symmetrically distributed on two sides of the driving rod, and the upper end of each guide rod is obliquely connected to the ejection block.
In the nitrogen spring auxiliary ejection mechanism for the automobile thin-wall bumper mould, a guide flow channel for cooling liquid to enter is formed in each guide rod, and a cooling flow channel communicated with the guide flow channel and used for cooling and forming a product is formed in each ejection block.
Compared with the prior art, the utility model has the advantages of:
1. the utility model discloses a be provided with nitrogen gas spring auxiliary structure on the ejecting piece, nitrogen gas spring auxiliary structure can carry out ejecting motion by ejecting relatively, and ejecting piece carries out ejecting for the first time under the drive of drive structure and breaks away from out from the cover half with the injection molding, then breaks away from out from ejecting piece with the injection molding through nitrogen gas spring auxiliary structure again, promotes the efficiency of drawing of patterns.
2. The utility model discloses a be equipped with sliding construction between the top of actuating lever and the ejecting piece, ejecting piece can carry out lateral shifting to adjust relative actuating lever after the in-process of upward movement leads through guide structure, sliding construction is used for keeping the stability of ejecting piece motion.
3. The utility model discloses the direction runner that is used for the coolant liquid to get into is offered to the inside of guide bar, directly sets up cooling structure in the guide bar, reduces cooling structure's space and occupies.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the connection structure of the middle ejection block of the present invention.
Fig. 3 is a schematic structural diagram of the auxiliary structure of the nitrogen spring of the present invention.
Fig. 4 is an internal structure view of the guide bar of the present invention.
In the figure, 1, a moving die; 2. fixing a mold; 3. a molding cavity; 4. a drive structure; 5. a nitrogen spring auxiliary structure; 6. a guide structure; 7. moving the plate; 8. a drive rod; 9. a sliding structure; 10. a slider; 11. a chute; 12. a body; 13. a connecting wing; 14. an elastic housing; 15. an inner cavity; 16. a top outlet; 17. ejecting the part; 18. a lower seal portion; 19. an upper ejection part; 20. an elastic spring; 21. air holes; 22. a wear plate; 23. perforating; 24. an assembly chamber; 25. a guide bar; 26. a guide flow channel; 27. a cooling flow channel; 28. and (6) ejecting the block.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1 to 3, the nitrogen spring auxiliary ejection mechanism for the automobile thin-wall bumper mold comprises a movable mold 1 and a fixed mold 2, a molding cavity 3 is formed between the movable mold 1 and the fixed mold 2, an ejection block 28 for ejecting an injection molding part and a driving structure 4 for driving the ejection block 28 to be close to or far away from the movable mold 1 are arranged on the fixed mold 2, a nitrogen spring auxiliary structure 5 is arranged on the ejection block 28, the nitrogen spring auxiliary structure 5 can perform ejection movement relative to the ejection block 28, and a guide structure 6 is further arranged between the ejection block 28 and the fixed mold 2.
In this embodiment, after the injection molding of the injection molding piece is completed, the ejector block 28 is driven by the driving structure 4 to perform the first ejection so as to separate the injection molding piece from the fixed mold 2, and then the nitrogen spring auxiliary structure 5 is used to separate the injection molding piece from the ejector block 28, so that the demolding efficiency is improved.
In this embodiment, the driving structure 4 includes a moving plate 7 disposed in the fixed mold 2 and capable of moving relative to the fixed mold 2, the moving plate 7 is capable of being driven by an oil cylinder or an air cylinder to move, a driving rod 8 is disposed on the moving plate 7, when the moving plate 7 moves towards one side of the movable mold 1, the driving rod 8 is linked therewith, and in order to improve the stability of the operation of the ejection block 28, a sliding structure 9 is disposed between the top end of the driving rod 8 and the ejection block 28.
In this embodiment, the sliding structure 9 includes a slider 10 disposed on the driving rod 8 and a chute 11 disposed on the bottom end surface of the ejecting block 28, the slider 10 is connected to the chute 11 and slides along the length direction of the chute 11, preferably, the slider 10 includes a body 12 and connecting wings 13 disposed on the end surfaces of two sides of the body 12, the upper surface of the connecting wings 13 is flush with the upper surface of the body 12, the cross section of the slider 10 is in a shape of a Chinese character 'tu', so that the slider 10 can slide more stably after being clamped into the chute 11.
In this embodiment, the nitrogen spring auxiliary structure 5 includes an elastic housing 14 disposed inside the ejector block 28, a hollow inner cavity 15 is disposed in the elastic housing 14, a top outlet 16 identical to the inner cavity 15 is disposed on the elastic housing 14, an ejector 17 is disposed in the inner cavity 15, a top end of the ejector 17 penetrates through the top outlet 16 and extends to a surface of the ejector block 28, the ejector 17 includes a lower sealing portion 18 and an upper ejector 19 connected to the lower sealing portion 18, a side edge of the lower sealing portion 18 is in sealing contact with an inner wall of the elastic housing 14, an elastic spring 20 is disposed between an upper side of the lower sealing portion 18 and the elastic housing 14, and an air hole 21 is disposed on a bottom end surface of the elastic housing 14.
When the nitrogen spring auxiliary structure 5 is not in a working state, the upper end of the ejector 17 is flush with the upper surface of the ejector block 28, when the nitrogen spring auxiliary structure 5 needs to be driven to perform ejection movement, nitrogen is filled through the air hole 21, the lower sealing part 18 gradually moves upwards along with the compression of the air on the inner cavity 15, the upper ejector part 19 is pushed to penetrate out of the ejector block 28, the purpose of ejection is achieved, and when the upper end of the ejector 17 needs to be reset, after the filled nitrogen is pumped out, the ejector 17 resets through the elasticity of the elastic spring 20.
In order to reduce the abrasion of the ejector 17, a wear plate 22 is arranged on the upper surface of the ejector block 28 at a position corresponding to the penetrating part of the upper ejector part 19, and an upper through hole 23 for the upper ejector part 19 to penetrate is formed in the wear plate 22. In order to improve the installation performance of the wear plate 22 and facilitate the assembly and disassembly of the wear plate 22, the upper surface of the ejection block 28 is provided with an assembly cavity 24 for installing the wear plate 22, and the wear plate 22 is fixed in the assembly cavity 24 through bolts.
In this embodiment, the guiding structure 6 includes at least two guiding rods 25, a plurality of guiding rods 25 are symmetrically distributed on two sides of the driving rod 8, the upper end of each guiding rod 25 is obliquely connected to the ejection block 28, a guiding flow channel 26 for the cooling liquid to enter is formed inside each guiding rod 25, and a cooling flow channel 27 communicated with the guiding flow channel 26 and used for cooling and forming the product is formed inside the ejection block 28.
The guide rod 25 arranged obliquely plays a role in guiding the oblique movement of the ejection block 28, meanwhile, a guide flow channel 26 for the cooling liquid to enter is formed in the guide rod 25, the cooling structure is directly arranged in the guide rod 25, and the space occupation of the cooling structure is reduced.
The utility model discloses a theory of operation does: after the movable mold 1 and the fixed mold 2 are covered, the mixture enters the molding cavity 3 through the injection molding channel, because the molding area of the automobile bumper is larger, after the injection molding piece is molded, the moving plate 7 moves upwards to push the driving rod 8 to move upwards, the ejection block 28 performs ejection for the first time under the driving of the driving structure 4 to separate the injection molding piece from the fixed mold 2, in the process, the ejection block 28 is adjusted to move transversely through the guide of the guide rod 25, and finally when the nitrogen spring auxiliary structure 5 needs to be driven to perform ejection movement, the lower sealing part 18 will gradually move upwards along with the compression of the gas to the inner cavity 15 by the gas filled with nitrogen through the gas hole 21, and the upper ejection part 19 is pushed to pass through the ejection block 28, so as to achieve the purpose of ejection, when the upper end of the ejector 17 needs to be reset, after the filled nitrogen gas is extracted, the ejector 17 is reset by the elastic force of the elastic spring 20.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Although the terms of the movable mold 1, the fixed mold 2, the molding cavity 3, the driving structure 4, the nitrogen spring auxiliary structure 5, the guiding structure 6, the moving plate 7, the driving rod 8, the sliding structure 9, the slider 10, the chute 11, the body 12, the connecting wing 13, the elastic housing 14, the inner cavity 15, the ejection port 16, the ejector 17, the lower sealing portion 18, the upper ejection portion 19, the elastic spring 20, the air hole 21, the wear plate 22, the upper perforation 23, the assembly cavity 24, the guiding rod 25, the guiding flow passage 26, the cooling flow passage 27, the ejection block 28, etc. are used more frequently herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention and should not be interpreted as imposing any additional limitations that are contrary to the spirit of the present invention.
Claims (10)
1. The utility model provides a supplementary ejection mechanism of nitrogen spring for car thin wall bumper mould, includes movable mould (1) and cover half (2), movable mould (1) and cover half (2) between be formed with into die cavity (3), its characterized in that, be equipped with on cover half (2) and be used for ejecting piece (28) of injection molding and drive ejecting piece (28) to be close to or keep away from drive structure (4) of movable mould (1), ejecting piece (28) on be provided with nitrogen spring auxiliary structure (5), nitrogen spring auxiliary structure (5) ejecting piece (28) relatively carry out ejecting motion, ejecting piece (28) and cover half (2) between still be provided with guide structure (6).
2. The nitrogen spring auxiliary ejection mechanism for the thin-wall bumper mould of the automobile according to claim 1, wherein the driving structure (4) comprises a moving plate (7) which is arranged in the fixed mould (2) and can move relative to the fixed mould (2), a driving rod (8) is arranged on the moving plate (7), and a sliding structure (9) is arranged between the top end of the driving rod (8) and the ejection block (28).
3. The nitrogen spring-assisted ejection mechanism for the thin-wall bumper mould of the automobile according to claim 2, wherein the sliding structure (9) comprises a sliding block (10) arranged on the driving rod (8) and a sliding groove (11) arranged on the bottom end face of the ejection block (28), and the sliding block (10) is clamped in the sliding groove (11) and slides along the length direction of the sliding groove (11).
4. The nitrogen spring-assisted ejection mechanism for the thin-wall bumper mould of the automobile according to claim 3, wherein the sliding block (10) comprises a body (12) and connecting wings (13) arranged on two side end faces of the body (12), the upper surfaces of the connecting wings (13) are flush with the upper surface of the body (12), and the cross section of the sliding block (10) is in a convex shape.
5. The nitrogen spring auxiliary ejection mechanism for the automobile thin-wall bumper mould as claimed in claim 1, wherein the nitrogen spring auxiliary structure (5) comprises an elastic shell (14) arranged inside an ejection block (28), the elastic shell (14) is internally provided with a hollow inner cavity (15), the elastic shell (14) is provided with an ejection outlet (16) which is the same as the inner cavity (15), the inner cavity (15) is internally provided with an ejection piece (17), and the ejection end of the ejection piece (17) penetrates through the ejection outlet (16) and extends to the surface of the ejection block (28).
6. The nitrogen spring-assisted ejection mechanism for the thin-wall bumper mould of the automobile according to claim 5, characterized in that the ejector (17) comprises a lower sealing part (18) and an upper ejection part (19) connected to the lower sealing part (18), the side edge of the lower sealing part (18) is in sealing contact with the inner wall of the elastic shell (14), an elastic spring (20) is arranged between the upper side of the lower sealing part (18) and the elastic shell (14), and an air hole (21) is formed in the bottom end face of the elastic shell (14).
7. The nitrogen spring auxiliary ejection mechanism for the automobile thin-wall bumper mould as claimed in claim 6, wherein a wear plate (22) is arranged on the upper surface of the ejection block (28) at a position corresponding to the upper ejection part (19), and an upper through hole (23) for the upper ejection part (19) to penetrate through is formed in the wear plate (22).
8. The nitrogen spring-assisted ejection mechanism for the thin-wall bumper mould of the automobile according to claim 7, characterized in that an assembly cavity (24) for installing the wear-resisting plate (22) is formed in the upper surface of the ejection block (28), and the wear-resisting plate (22) is fixed in the assembly cavity (24) through bolts.
9. The nitrogen spring-assisted ejection mechanism for the thin-wall bumper mould of the automobile according to claim 2, wherein the guide structure (6) comprises at least two guide rods (25), a plurality of guide rods (25) are symmetrically distributed on two sides of the driving rod (8), and the upper end of each guide rod (25) is obliquely connected to the ejection block (28).
10. The nitrogen spring-assisted ejection mechanism for the thin-wall bumper mould of the automobile according to claim 9, wherein a guide flow channel (26) for the entry of cooling liquid is formed inside each guide rod (25), and a cooling flow channel (27) communicated with the guide flow channel (26) and used for cooling and molding an injection molding part is formed inside the ejection block (28).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023055479.9U CN215095408U (en) | 2020-12-17 | 2020-12-17 | Nitrogen spring auxiliary ejection mechanism for automobile thin-wall bumper mould |
| PCT/CN2021/122165 WO2022127298A1 (en) | 2020-12-17 | 2021-09-30 | Nitrogen spring auxiliary ejecting mechanism for automobile thin-wall bumper mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023055479.9U CN215095408U (en) | 2020-12-17 | 2020-12-17 | Nitrogen spring auxiliary ejection mechanism for automobile thin-wall bumper mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215095408U true CN215095408U (en) | 2021-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023055479.9U Active CN215095408U (en) | 2020-12-17 | 2020-12-17 | Nitrogen spring auxiliary ejection mechanism for automobile thin-wall bumper mould |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN215095408U (en) |
| WO (1) | WO2022127298A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117021502A (en) * | 2023-07-28 | 2023-11-10 | 广州中誉精密模具有限公司 | Ejection device of automobile bumper die |
| CN117021502B (en) * | 2023-07-28 | 2024-04-30 | 广州中誉精密模具有限公司 | Ejection device of automobile bumper die |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115071080B (en) * | 2022-07-18 | 2023-07-21 | 富诚汽车零部件有限公司 | Secondary ejection structure of die |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5511967A (en) * | 1994-02-14 | 1996-04-30 | Pebra Gmbh Paul Braun | Self-contained gas injector |
| JP2000071259A (en) * | 1998-09-02 | 2000-03-07 | Toyota Motor Corp | Molding ejecting device and method for ejecting holding |
| JP5438913B2 (en) * | 2008-04-14 | 2014-03-12 | 昌和合成株式会社 | PROJECTION PIN EXTRACTION DEVICE AND PROJECTION PIN OPERATING UNIT |
| CN108748918A (en) * | 2018-08-22 | 2018-11-06 | 王思睿 | A kind of annular back-off bullet auxiliary secondary ejecting mechanism injection mold of top gas |
| CN209599773U (en) * | 2018-12-17 | 2019-11-08 | 中山市恒滨实业有限公司 | A kind of gas-assist mold structure of oblique top air inlet |
| CN210851183U (en) * | 2019-08-07 | 2020-06-26 | 格力电器（重庆）有限公司 | Communication hydraulic type secondary ejection mechanism and injection mold |
| CN110587936A (en) * | 2019-10-29 | 2019-12-20 | 常州市武进升越模塑有限公司 | Nitrogen ejection device for injection molding |
| CN211763220U (en) * | 2019-12-19 | 2020-10-27 | 台州市伊田五金机械股份有限公司 | Gas cap structure of injection mold |
-
2020
- 2020-12-17 CN CN202023055479.9U patent/CN215095408U/en active Active
-
2021
- 2021-09-30 WO PCT/CN2021/122165 patent/WO2022127298A1/en active Application Filing
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117021502A (en) * | 2023-07-28 | 2023-11-10 | 广州中誉精密模具有限公司 | Ejection device of automobile bumper die |
| CN117021502B (en) * | 2023-07-28 | 2024-04-30 | 广州中誉精密模具有限公司 | Ejection device of automobile bumper die |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022127298A1 (en) | 2022-06-23 |
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Denomination of utility model: Nitrogen spring assisted ejection mechanism for automobile thin-wall bumper die Effective date of registration: 20221109 Granted publication date: 20211210 Pledgee: Bank of China Limited by Share Ltd. Huangyan branch Pledgor: Zhejiang Shuohao Science and Technology Co.,Ltd. Registration number: Y2022330003009 |