CN114131841A - Injection mold for automobile thin-wall side coaming and ejection method - Google Patents
Injection mold for automobile thin-wall side coaming and ejection method Download PDFInfo
- Publication number
- CN114131841A CN114131841A CN202111298141.2A CN202111298141A CN114131841A CN 114131841 A CN114131841 A CN 114131841A CN 202111298141 A CN202111298141 A CN 202111298141A CN 114131841 A CN114131841 A CN 114131841A
- Authority
- CN
- China
- Prior art keywords
- ejector
- plate
- small
- injection mold
- rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000002347 injection Methods 0.000 title claims abstract description 36
- 239000007924 injection Substances 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 8
- 238000007493 shaping process Methods 0.000 claims abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
-
- 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
- B29C2045/4084—Progressive ejection
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses an injection mold for a thin-wall side coaming of an automobile and an ejection method, wherein the injection mold comprises the following components: the rear template, the integral ejection structure and the local ejection structure; the integral ejection structure comprises a first ejector plate and a second ejector plate, the first ejector plate is connected with a first ejector rod, the second ejector plate is connected with a connecting rod and a second ejector rod, the top of the second ejector rod is connected with a second ejector block, and the second ejector block is arranged around a horn mesh of the side enclosing plate; the local ejection structure is opposite to the speaker mesh and comprises a small ejector plate, an elastic plate, a spring and a small bottom plate which are arranged in the rear template in sequence; the connecting rod penetrates through the small bottom plate to abut against the small ejector plate; wherein, little thimble board is connected with the thimble, the springboard is connected with little ejector pin, and little ejector pin top is connected with little kicking block, and the terminal surface of little kicking block is equipped with a plurality of bosss that are used for the shaping loudspeaker mesh. The injection mold disclosed by the invention can eject the automobile thin-wall side coaming step by step, so that the speaker mesh on the coaming is prevented from being ejected through, and the production of the thinner-wall coaming is facilitated.
Description
Technical Field
The invention relates to the technical field of injection molds for automobile exterior trimming parts, in particular to an injection mold for automobile thin-wall side coamings and an ejection method.
Background
The automobile side wall board is used in the automobile body, has larger volume and complex structure, and is generally provided with a speaker mesh for covering a sound box. With the rapid development of the automobile industry, the weight of automobiles is required to be reduced, so that the thickness of side wall plates is required to be greatly reduced. Meanwhile, in order to improve user experience, the number of loudspeakers of more and more automobiles is increased from original 4 to more than 8, the size of the loudspeakers is also larger and larger, and the number of meshes of a loudspeaker net is also required to be increased to improve the sound transmission rate. Due to the high-requirement structure, when the automobile thin-wall side coaming is ejected out of the mold, the thin-wall side coaming is easily punctured by the ejector pins, the horn net with a large number of meshes is easily stuck, and the existing mold is difficult to manufacture products meeting requirements.
Disclosure of Invention
The invention provides an injection mold for an automobile thin-wall side coaming, which at least can solve the problems of mold sticking and top penetration easily occurring in the injection molding of the automobile thin-wall side coaming.
The technical scheme of the invention is realized as follows: the utility model provides an injection mold for car thin wall side wall board, car thin wall side wall board include bounding wall body and speaker mesh, and this injection mold includes: the rear template, the integral ejection structure and the local ejection structure;
the integral ejection structure comprises a first ejector plate and a second ejector plate which are arranged below the rear template, the first ejector plate is abutted against an ejector column of the injection mold, and a stroke control device is arranged between the second ejector plate and the first ejector plate;
the first ejector plate is connected with a first ejector rod, the first ejector rod is used for ejecting the enclosing plate body, the second ejector plate is connected with a connecting rod and a second ejector rod, the top of the second ejector rod is connected with a second ejector block, and the second ejector block is arranged around the horn net;
the horn net of the side wall plate right opposite to the local ejection structure comprises a small ejector plate, an elastic plate and a small bottom plate which are arranged in the rear template; a spring is arranged between the elastic plate and the small bottom plate; the connecting rod penetrates through the small bottom plate and abuts against the small ejector plate;
wherein, the small thimble plate is connected with the thimble, the springboard is connected with the small kicking block, and the terminal surface of small kicking block is equipped with a plurality of bosss that are used for the shaping loudspeaker mesh.
Further, the bottom of the rear template is provided with an accommodating groove, and the accommodating groove is used for accommodating the local ejection structure.
Further, local ejecting structure still includes spacing post, spacing post connection is in play the board, works as when the ejecting completion of bullet board, the tip of spacing post with the roof of holding tank offsets.
Further, the top end of the connecting rod is provided with a hook part, and the hook part is matched with a groove in the small ejector plate.
Further, the small ejector plate comprises an upper plate and a lower plate, and the upper plate and the lower plate are stacked and fixedly connected;
the groove is arranged on the surface of the lower plate.
The invention also provides an ejection method, which is applied to the injection mold for the automobile thin-wall side coaming, and the ejection method comprises the following steps:
and (3) first-stage ejection: the first ejector plate and the second ejector plate move under the action of the ejector columns, and the first ejector rod, the second ejector rod and the connecting rod are ejected out; the small ejector plate moves under the action of the connecting rod, and the ejector pin is ejected; the elastic plate moves under the action of the spring, and the small ejector rod is ejected out; the automobile thin-wall side coaming is separated from the rear template under the supporting force of the first ejector rod, the large ejector block, the small ejector block and the ejector pin;
and (3) second-stage ejection: the first ejector plate and the second ejector plate move under the action of the ejector columns, and the first ejector rod, the second ejector rod and the connecting rod continue to eject; the small ejector plate moves under the action of the connecting rod, and the ejector pin continues to eject; the elastic plate and the small mandril stop moving;
and (3) third-stage ejection: the first ejector plate moves under the action of the ejector columns, the first ejector rods continue to eject, and the second elastic plate, the second ejector rods and the connecting rods stop moving.
The injection mold for the automobile thin-wall side coaming and the ejection method have the following beneficial effects:
1. the integral ejection structure and the local ejection structure eject the surrounding plate body and the speaker mesh in a grading manner, so that the wrapping force of the speaker mesh on the boss is reduced, the speaker mesh is prevented from being adhered to the rear template, and meanwhile, the thimble is prevented from ejecting the speaker mesh;
2. the injection mold is provided with a local ejection structure aiming at the speaker mesh, the volume is small, the weight of the elastic plate is light, and the spring is used as ejection power, so that the ejection times are increased, and the structure of the mold is greatly simplified;
3. the injection mold utilizes the connecting rod connected to the second ejector plate as the ejection drive of the local ejection structure, so that the injection mold can have the effect of two sets of ejection structures only by one set of ejection columns, and the structure is ingenious;
4. the injection mold encircles the horn mesh sets up a plurality of second kicking blocks, avoids the horn mesh to split with the bounding wall body when ejecting, is favorable to producing the thin walled side bounding wall.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
FIG. 1 is a schematic diagram of the clamping of an injection mold for an automotive thin-walled side panel of the present invention;
FIG. 2 is a schematic view of a portion of the injection mold for an automotive thin-walled side panel of the present invention;
FIG. 3 is an enlarged view at A in FIG. 1;
FIG. 4 is a schematic diagram of the first stage ejection of the injection mold for an automotive thin-walled side panel of the present invention;
FIG. 5 is a schematic diagram of a second stage ejection of the injection mold for an automotive thin-walled side panel of the present invention;
fig. 6 is a third level schematic ejection view of the injection mold for an automotive thin-walled side panel of the present invention.
Wherein: 1. the back mould, 2, whole ejecting structure, 3, local ejecting structure, 4, the fore-set, 11, the holding tank, 21, first thimble board, 22, second thimble board, 23, first ejector pin, 24, the connecting rod, 25, big kicking block, 26, second ejector pin, 31, little thimble board, 32, springboard, 33, little bottom plate, 34, the spring, 35, the thimble, 36, little ejector pin, 37, little kicking block, 38, spacing post, 241, hook portion, 311, upper plate, 312, the hypoplastron.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
The injection mold of the invention is used for the automobile thin-wall side coaming, the automobile thin-wall side coaming comprises a coaming body and a speaker mesh, as shown in figure 1, the injection mold of the invention comprises:
the rear die comprises a rear die 1 plate, an integral ejection structure 2 and a local ejection structure 3;
the integral ejection structure 2 comprises a first ejector plate 21 and a second ejector plate 22 which are arranged below the rear die 1, the first ejector plate 21 abuts against an ejector column of the injection die, and a stroke control device is arranged between the second ejector plate 22 and the first ejector plate 21; the stroke control device is a button machine which is arranged on the side surfaces of the first ejector plate 21 and the second ejector plate 22. The bottom of the first ejector plate 21 abuts against the ejector column 4 of the mold, and the ejector column 4 pushes the first ejector plate 21 when the mold is opened, so that the first ejector rod 23 is ejected. The second ejector plate 22 initially moves together with the first ejector plate 21 under the action of the stroke control, after which the mechanism of the stroke control moves to such an extent that the second ejector plate 22 is no longer tensioned, and the second ejector plate 22 no longer moves.
The first ejector plate 21 is connected with a first ejector rod 23, the first ejector rod 23 is used for ejecting the enclosing plate body, and the second ejector plate 22 is connected with a connecting rod 24 and a second ejector rod 26; as shown in fig. 2, a second top block 27 is connected to the second top rod 26, and the second top block 27 is arranged around the speaker mesh; the end of part of the first top bar 23 is connected with a first top block 25.
The first ejector block 25 or the first ejector rod 23 and the second ejector block 27 are used for ejecting the enclosing plate body, the first ejector block 25 is arranged at a position with large area and thin thickness, the contact area of the first ejector block 25 and the enclosing plate body is larger, the enclosing plate body is effectively prevented from being ejected through, and the thin-wall side enclosing plate is more favorable for manufacturing. Encircle the speaker mesh sets up a plurality of second kicking blocks 27, avoids the speaker mesh to break with the bounding wall body when ejecting, is favorable to producing the thin walled side bounding wall.
The horn net of the side enclosing plate right opposite to the local ejection structure 3 comprises a small ejector plate 31, an elastic plate 32 and a small bottom plate 33 which are arranged in the rear die 1 plate; specifically, the bottom of the rear mold 1 is provided with a receiving groove 11, a small ejector plate 31, an elastic plate 32 and a small bottom plate 33.
The spring 34 is arranged between the elastic plate 32 and the small bottom plate 33, the local ejection structure 3 further comprises a limiting column 38, the limiting column 38 is connected to the elastic plate 32, the elastic plate 32 is ejected out under the action of the spring 34 when the mold is opened, and when the ejection of the elastic plate 32 is completed, the end of the limiting column 38 abuts against the top wall of the accommodating groove 11.
The connecting rod 24 penetrates through the small bottom plate 33 and abuts against the small ejector plate 31; when the second ejector plate 22 moves in the forward mold direction, the connecting rod 24 drives the small ejector plate 31 to move in the forward mold direction. As shown in fig. 3, the top end of the connecting rod 24 is provided with a hook 241, and the hook 241 is engaged with a groove on the small ejector plate 31. Specifically, the small ejector plate 31 includes an upper plate 311 and a lower plate 312, and the upper plate 311 and the lower plate 312 are stacked and fixedly connected; the grooves (not shown) are provided on the surface of the lower plate 312. Due to the hook portion 241, the second ejector plate 22 can pull the small ejector plate 31 to move together when returning.
Wherein, the small ejector plate 31 is connected with an ejector 35, the elastic plate 32 is connected with a small ejector rod 36, the top of the small ejector rod 36 is connected with a small ejector block 37, and the end surface of the small ejector block 37 is provided with a plurality of bosses for forming horn meshes.
The ejection sequence of the injection mold is as follows:
and (3) first-stage ejection: as shown in fig. 4, the first ejector plate 21 and the second ejector plate 22 move under the action of the ejector columns, the small ejector plate 31 is driven to move through the connecting rod 24, the elastic plate 32 moves under the action of the spring 34, and the first ejector rod 23, the second ejector block 27, the small ejector block 37 and the ejector pins 35 are ejected simultaneously;
and (3) second-stage ejection: as shown in fig. 5, the first ejector plate 21, the second ejector plate 22 and the small ejector plate 31 continue to move, the limiting column 38 abuts against the top wall of the accommodating groove 11, and the elastic plate 32 stops moving; the first ejector rod 23, the second ejector block 27 and the ejector pin 35 continue to eject, and the small ejector block 37 stops ejecting;
and (3) third-stage ejection: as shown in fig. 6, the first ejector plate 21 continues to move, the stroke control device operates, the second ejector plate 22 and the small ejector plate 31 stop moving, and the first ejector pins 23 continue to eject.
The integral ejection structure 2 and the local ejection structure 3 of the injection mold for the automobile thin-wall side coamings eject the coamings and the speaker mesh in a graded manner, so that the wrapping force of the speaker mesh on a boss is reduced, the speaker mesh is prevented from being adhered to a back mold 1 plate, and an ejector pin is prevented from ejecting the speaker mesh;
when the mold is closed, the first ejector plate 21 and the second ejector plate 22 return, the connecting rod 24 pulls the small ejector plate 31 to move towards the small bottom plate 33, the small ejector plate 31 pushes the elastic plate 32 to move towards the small bottom plate 33, and the spring 34 is compressed until the mold is opened next time.
In conclusion, the injection mold for the automobile thin-wall side coaming can eject the automobile thin-wall side coaming step by step, avoids the loudspeaker net on the side coaming from being ejected through, and is beneficial to manufacturing the side coaming with thinner wall thickness.
In the description of the present invention, it is to be understood that the terms "vertical", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered as limiting the scope of the present invention.
If the terms "first," "second," etc. are used herein to define parts, those skilled in the art will recognize that: the use of "first" and "second" is merely for convenience in describing the invention and to simplify the description, and the words are not intended to have a special meaning unless otherwise stated.
The present invention is not limited to the embodiments, and various modifications and variations of the present invention are intended to be included within the scope of the claims and the equivalent technical scope of the present invention if they do not depart from the spirit and scope of the present invention.
Claims (6)
1. The utility model provides an injection mold for car thin wall side wall board, car thin wall side wall board include bounding wall body and speaker mesh, its characterized in that, this injection mold includes: the rear template, the integral ejection structure and the local ejection structure; the integral ejection structure comprises a first ejector plate and a second ejector plate which are arranged below the rear template, the first ejector plate is abutted against an ejector column of the injection mold, and a stroke control device is arranged between the second ejector plate and the first ejector plate;
the first ejector plate is connected with a first ejector rod, the first ejector rod is used for ejecting the enclosing plate body, the second ejector plate is connected with a connecting rod and a second ejector rod, the top of the second ejector rod is connected with a second ejector block, and the second ejector block is arranged around the horn net;
the horn net of the side wall plate right opposite to the local ejection structure comprises a small ejector plate, an elastic plate and a small bottom plate which are arranged in the rear template; a spring is arranged between the elastic plate and the small bottom plate; the connecting rod penetrates through the small bottom plate and abuts against the small ejector plate;
wherein, the small thimble plate is connected with the thimble, the springboard is connected with the small kicking block, and the terminal surface of small kicking block is equipped with a plurality of bosss that are used for the shaping loudspeaker mesh.
2. An injection mold according to claim 1,
the bottom of the rear template is provided with a containing groove which is used for containing the local ejection structure.
3. An injection mold according to claim 2,
the local ejection structure further comprises a limiting column, the limiting column is connected to the elastic plate, and when ejection of the elastic plate is completed, the end portion of the limiting column is abutted to the top wall of the accommodating groove.
4. An injection mold according to claim 1,
the top end of the connecting rod is provided with a hook part, and the hook part is matched with the groove on the small ejector plate.
5. An injection mold according to claim 4,
the small ejector plate comprises an upper plate and a lower plate, and the upper plate and the lower plate are stacked and fixedly connected;
the groove is arranged on the surface of the lower plate.
6. An ejection method applied to the injection mold for the thin-walled side panel of the automobile according to claim 1, comprising the steps of:
and (3) first-stage ejection: the first ejector plate and the second ejector plate move under the action of the ejector columns, and the first ejector rod, the second ejector rod and the connecting rod are ejected out; the small ejector plate moves under the action of the connecting rod, and the ejector pin is ejected; the elastic plate moves under the action of the spring, and the small ejector rod is ejected out; the automobile thin-wall side coaming is separated from the rear template under the supporting force of the first ejector rod, the large ejector block, the small ejector block and the ejector pin;
and (3) second-stage ejection: the first ejector plate and the second ejector plate move under the action of the ejector columns, and the first ejector rod, the second ejector rod and the connecting rod continue to eject; the small ejector plate moves under the action of the connecting rod, and the ejector pin continues to eject; the elastic plate and the small mandril stop moving;
and (3) third-stage ejection: the first ejector plate moves under the action of the ejector columns, the first ejector rods continue to eject, and the second elastic plate, the second ejector rods and the connecting rods stop moving.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111298141.2A CN114131841B (en) | 2021-11-04 | 2021-11-04 | Injection mold for automobile thin-wall side coaming |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111298141.2A CN114131841B (en) | 2021-11-04 | 2021-11-04 | Injection mold for automobile thin-wall side coaming |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114131841A true CN114131841A (en) | 2022-03-04 |
| CN114131841B CN114131841B (en) | 2023-12-01 |
Family
ID=80392504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111298141.2A Active CN114131841B (en) | 2021-11-04 | 2021-11-04 | Injection mold for automobile thin-wall side coaming |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114131841B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR890012912U (en) * | 1987-12-08 | 1989-08-08 | 삼성전자 주식회사 | Injection mold 2-stage take-out device |
| JPH09136338A (en) * | 1995-11-16 | 1997-05-27 | Sumitomo Heavy Ind Ltd | Mold apparatus for molding reticulated body |
| CN102267222A (en) * | 2011-06-30 | 2011-12-07 | 宁波双林模具有限公司 | Auxiliary ejecting device for loudspeaker net part of automobile door plate injection mould |
| CN203957309U (en) * | 2014-07-04 | 2014-11-26 | 宁波双林模具有限公司 | The ejecting mechanism of loudspeaker mesh product mold |
| CN204136360U (en) * | 2014-04-30 | 2015-02-04 | 天津瑞应鑫模具制造有限公司 | A kind of increase ejecting structure |
| CN204773406U (en) * | 2015-07-13 | 2015-11-18 | 长春富维—江森自控汽车饰件系统有限公司 | Ejecting mould structure of automotive interior door plant speaker cover |
| CN105196500A (en) * | 2015-09-10 | 2015-12-30 | 台州市黄岩星泰塑料模具有限公司 | Secondary ejection mechanism for speaker mesh of door panel |
| CN112829233A (en) * | 2021-02-07 | 2021-05-25 | 广东东亚电器有限公司 | Large-diameter speaker mesh ejection mechanism and method |
-
2021
- 2021-11-04 CN CN202111298141.2A patent/CN114131841B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR890012912U (en) * | 1987-12-08 | 1989-08-08 | 삼성전자 주식회사 | Injection mold 2-stage take-out device |
| JPH09136338A (en) * | 1995-11-16 | 1997-05-27 | Sumitomo Heavy Ind Ltd | Mold apparatus for molding reticulated body |
| CN102267222A (en) * | 2011-06-30 | 2011-12-07 | 宁波双林模具有限公司 | Auxiliary ejecting device for loudspeaker net part of automobile door plate injection mould |
| CN204136360U (en) * | 2014-04-30 | 2015-02-04 | 天津瑞应鑫模具制造有限公司 | A kind of increase ejecting structure |
| CN203957309U (en) * | 2014-07-04 | 2014-11-26 | 宁波双林模具有限公司 | The ejecting mechanism of loudspeaker mesh product mold |
| CN204773406U (en) * | 2015-07-13 | 2015-11-18 | 长春富维—江森自控汽车饰件系统有限公司 | Ejecting mould structure of automotive interior door plant speaker cover |
| CN105196500A (en) * | 2015-09-10 | 2015-12-30 | 台州市黄岩星泰塑料模具有限公司 | Secondary ejection mechanism for speaker mesh of door panel |
| CN112829233A (en) * | 2021-02-07 | 2021-05-25 | 广东东亚电器有限公司 | Large-diameter speaker mesh ejection mechanism and method |
Non-Patent Citations (1)
| Title |
|---|
| 王丰;: "汽车门板扬声器网孔缺陷的解决方案", 模具制造, no. 07, pages 68 - 71 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114131841B (en) | 2023-12-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN216230508U (en) | Injection mold for automobile thin-wall side coaming | |
| CN114131841A (en) | Injection mold for automobile thin-wall side coaming and ejection method | |
| CN107088993B (en) | Demoulding device for automobile wheel guard board | |
| CN215969769U (en) | Core pulling mechanism of integrated injection molding sealing piece mold for wiring harness | |
| CN214773637U (en) | Injection mold with automatic die-cut inserts structure in mould | |
| CN205097475U (en) | Area is secondary ejection mechanism on top to one side | |
| CN114043684A (en) | Secondary ejection structure and ejection method of automobile air inlet grille injection mold | |
| CN210759032U (en) | Internal division type automobile bumper assembly back-off core-pulling mechanism | |
| CN112936773A (en) | Ejection mechanism and injection mold | |
| CN113478756A (en) | Mold structure for reducing ejection stroke and ejector sleeve length and ejection method thereof | |
| CN203622853U (en) | Double-support block die cavity angle ejection mechanism for injection molding die | |
| CN108858914B (en) | Time-delay sliding block assembly | |
| CN220946505U (en) | Multistage ejection die | |
| CN216804302U (en) | Ejecting structure of car air-inlet grille injection mold's secondary | |
| CN214820560U (en) | Horizontal ejection device that takes shape | |
| CN220763421U (en) | Demoulding mechanism suitable for injection molding product | |
| CN221365615U (en) | Multistage ejection injection mold for lower guard plate of automobile front bumper | |
| CN214726211U (en) | Mold with secondary ejection and back-off molding | |
| CN211279561U (en) | Injection mold of mobile phone dustproof plug | |
| CN218019909U (en) | Plastic mold of whole circular inner core-pulling structure | |
| CN220841235U (en) | Mould | |
| CN112829233B (en) | Large-caliber horn mesh ejection mechanism and method | |
| CN217621999U (en) | Mold ejection structure and injection mold | |
| CN221339410U (en) | Ejection device for automobile injection molding part | |
| CN211054290U (en) | Mold for forming automobile air conditioner knob cap in one step |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |