CN112829233A - Large-diameter speaker mesh ejection mechanism and method - Google Patents
Large-diameter speaker mesh ejection mechanism and method Download PDFInfo
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- CN112829233A CN112829233A CN202110177086.5A CN202110177086A CN112829233A CN 112829233 A CN112829233 A CN 112829233A CN 202110177086 A CN202110177086 A CN 202110177086A CN 112829233 A CN112829233 A CN 112829233A
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- ejection
- horn
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- 230000007246 mechanism Effects 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000001746 injection moulding Methods 0.000 claims abstract description 6
- 230000009471 action Effects 0.000 claims description 11
- 239000004429 Calibre Substances 0.000 claims 1
- 238000000465 moulding Methods 0.000 description 6
- 238000000926 separation method Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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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
- 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
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/34—Electrical apparatus, e.g. sparking plugs or parts thereof
- B29L2031/3418—Loud speakers
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention provides a large-caliber horn mesh ejection mechanism and an ejection method, wherein the large-caliber horn mesh ejection mechanism comprises: the end face of the forming block is provided with a plurality of bosses for injection molding of horn meshes; the forming block comprises a forming block main body and a plurality of top blocks, a plurality of mounting grooves are formed in the side face, close to the boss, of the forming block main body, and the top blocks are arranged in the mounting grooves; the first ejection assembly comprises a first ejector plate and an ejector block rod fixed on the first ejector plate, the ejector block is installed at the end of the ejector block rod, and the first ejection assembly is used for driving the ejector block and the forming block main body to be staggered up and down. The ejection method disclosed by the invention separates the horn net and the bosses on the forming block in a grading manner, reduces the wrapping force of the horn net on the bosses, avoids the horn net from being adhered to the forming block, and simultaneously avoids the ejector pins from ejecting the horn net.
Description
Technical Field
The invention relates to the technical field of automobile molds, in particular to a large-diameter speaker mesh ejection mechanism and method.
Background
In the manufacturing process of automobiles, the door panels of the interior of automobiles are usually manufactured by injection molding. In order to save costs, a speaker mesh for covering the outside of the speaker is generally formed integrally with an interior door panel. Along with the improvement of the requirement of the user on the automobile tone quality, the requirement of the user on the sound passing rate of the speaker network is higher and higher, and the improvement of the sound passing rate of the speaker network needs to increase the diameter of the speaker network and increase the number of meshes on the speaker network. In a traditional injection mold for an interior door sheet, a large number of bosses with the same shape as the horn mesh are arranged on a mold core, and after injection molding, a horn mesh needs to be ejected through a small ejector pin or an ejector block; in the demolding process, because the horn net and the boss have larger contact area, the tightening force of the horn net to the mold is larger, and mold sticking is easily generated. And because the small thimble that sets up in the horn net below is thinner, under the condition that the mould was held tightly to the horn net, the condition that the horn net was worn in the small thimble top still appears easily, seriously influences the quality of interior trim door plant.
Disclosure of Invention
The invention aims to provide a large-caliber horn mesh ejection mechanism and a method, which can solve the problems of die sticking, ejection and the like in the manufacturing process of a large-caliber horn mesh in the prior art.
The technical scheme of the invention is realized as follows:
a large-diameter speaker mesh ejection mechanism comprises
The end face of the forming block is provided with a plurality of bosses for injection molding of horn meshes;
the forming block comprises a forming block main body and a plurality of top blocks, a plurality of mounting grooves are formed in the side face, close to the boss, of the forming block main body, and the top blocks are arranged in the mounting grooves;
the first ejection assembly comprises a first ejector plate and an ejector block rod fixed on the first ejector plate, the ejector block is installed at the end of the ejector block rod, and the first ejection assembly is used for driving the ejector block and the forming block main body to be staggered up and down.
According to the large-caliber horn mesh ejection mechanism, the forming block for forming the horn mesh is divided into the forming block main body and the plurality of ejection blocks, the horn mesh is separated from the forming block twice during demolding, the packing force of the horn mesh holes to the mold during each separation is reduced, and the horn mesh holes are prevented from being adhered to the mold.
Further, the plurality of mounting grooves are dispersedly arranged on the molding block main body.
Further, the first ejection assembly further comprises an elastic plate and an elastic body arranged below the elastic plate; the upper surface of the elastic plate is provided with a mold core, the elastic plate is provided with a through groove which penetrates through the elastic plate up and down, and the forming block is arranged in the through groove;
the ejection mechanism further comprises a fixed plate, the forming block main body is fixed on the fixed plate, the elastic plate is arranged above the fixed plate, and two ends of the elastic body are respectively abutted against the elastic plate and the fixed plate;
the elastic plate is connected with the first ejector plate through a second ejector assembly, and the first ejector plate moves upwards simultaneously when the elastic plate moves upwards.
Further, the second ejection assembly comprises a second ejector plate, a first mold locking device and a second mold locking device;
the first mold locking device is connected with the second ejector plate and the elastic plate, and the second mold locking device is connected with the first ejector plate and the second ejector plate.
Furthermore, the ejection mechanism also comprises a small thimble which penetrates through the forming block to be contacted with the horn net;
the small thimble is fixed on the second thimble plate.
Furthermore, the ejection mechanism also comprises a large thimble, and the large thimble penetrates through the forming block to be in contact with a position without meshes on the horn net;
the large thimble is fixed on the second thimble plate.
Further, the ejection mechanism further comprises a driving device, the driving device is connected with the second ejector plate and used for driving the second ejector plate to move upwards.
The invention also provides an ejection method, which is applied to the large-caliber horn mesh ejection mechanism and comprises the following steps:
The large-caliber horn net ejection mechanism and the method have the following beneficial effects:
1. separating the speaker mesh from the bosses on the molding block in a grading manner, reducing the wrapping force of the speaker mesh on the bosses, avoiding the speaker mesh from being adhered to the molding block, and simultaneously avoiding the thimble from pushing through the speaker mesh;
2. meanwhile, the large ejector pins and the small ejector pins are applied, the contact area between the die and the horn net is increased, and the small ejector pins are further prevented from penetrating the horn net;
3. the elastic plate is used for separating the forming block main body from the speaker net, and the driving force required by ejection is reduced.
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 structural view of a forming block of the present invention;
FIG. 2 is a schematic view of the structure of the ejector block, the ejector block rod and the ejector pin of the present invention;
FIG. 3 is a cross-sectional view of the ejection mechanism of the large-caliber horn of the present invention when the mold is closed;
fig. 4 is a cross-sectional view of the ejection mechanism of the large-diameter horn of the present invention during one ejection;
FIG. 5 is a cross-sectional view of the ejection mechanism for a large-diameter horn according to the present invention during secondary ejection;
fig. 6 is a sectional view of the large-diameter horn ejection mechanism of the present invention at the time of three ejections.
The mould comprises a forming block 1, a forming block 2, a first ejector plate 3, an ejector block rod 4, an elastic plate 5, a fixing plate 6, a second ejector plate 71, a first mould locking device 72, a second mould locking device 81, a small ejector pin 82, a large ejector pin 9, a horn net 10, a driving device 11, a boss 12, a forming block main body 13, an ejector block 14, a mounting groove 41, an elastic body 42 and a through groove.
Detailed Description
The technical solution provided by the present invention is explained in more detail with reference to fig. 1 to 4.
As shown in fig. 1, the large-caliber horn ejection mechanism of the invention comprises a forming block 1, wherein the end surface of the forming block 1 is provided with a plurality of bosses 11 for injection molding of holes of a horn mesh 9; the forming block 1 comprises a forming block main body 12 and a plurality of top blocks 13, wherein a plurality of mounting grooves are formed in the side surface, close to the boss 11, of the forming block main body 12, and the top blocks 13 are arranged in the mounting grooves; the ejection mechanism comprises a first ejection assembly, the first ejection assembly comprises a first ejector plate 2 and an ejector block rod 3 fixed on the first ejector plate 2, an ejector block 13 is installed at the end part of the ejector block rod 3, and the first ejection assembly is used for driving the ejector block 13 and a forming block main body 12 to be staggered up and down.
As shown in fig. 2, a socket is arranged at the bottom of the top block 13, an insertion block is arranged at the top of the top block rod 3, and the top block 13 is fixed with the top block rod 3 through a plug pin after being inserted. The boss 11 is preferably in a truncated cone shape with a narrow top and a wide bottom, so that the forming block 1 can be conveniently separated from the horn meshes of the horn net 9 downwards.
According to the large-caliber horn mesh ejection mechanism, the forming block 1 for forming the horn mesh 9 is divided into the forming block main body 12 and the plurality of ejection blocks 13, the horn mesh 9 is separated from the forming block 1 twice during demolding, the tightening force of the horn mesh 9 hole to a mold during each separation is reduced, and the horn mesh 9 hole is prevented from being adhered to the mold.
Preferably, as shown in fig. 1, the plurality of mounting grooves are dispersedly disposed on the molding block main body 12. Will a plurality of mounting grooves disperse and arrange, can make a plurality of kicking block 13 disperse in become on the piece 1, make kicking block 13 with atress when becoming the separation of piece main part 12 is more even.
Specifically, the first ejection assembly further comprises an elastic plate 4 and an elastic body 41 arranged below the elastic plate 4; a mold core is arranged on the upper surface of the elastic plate 4, the elastic plate 4 is provided with a through groove 42 which penetrates through the elastic plate up and down, and the forming block 1 is arranged in the through groove 42; the ejection mechanism further comprises a fixing plate, the forming block body 12 is fixed on the fixing plate, the elastic plate 4 is arranged above the fixing plate, and two ends of the elastic body are respectively abutted against the elastic plate 4 and the fixing plate. And the first ejector plate 2 is simultaneously moved upward while the springboard 4 is moved upward.
As shown in fig. 4, when the mold is opened, the spring plate 4 moves downward under the action of the elastic body. H1 in the figure indicates the first stroke of movement of the springboard 4. Specifically, there is spacing recess the side of playing board 4, spacing recess cooperatees with the spacing hasp of fixing on the fixed plate, works as when playing board 4 has accomplished first stroke, it is spacing detain with the recess chucking, play board 4 stop moving. At this time, since the molding block body 12 is fixed to the fixing plate without moving upward, the molding block 1 is separated from the horn net 9. And because the first thimble plate 2 moves upwards simultaneously when the elastic plate 4 moves upwards, the ejector block 13 moves upwards together with the horn net 9 under the push of the ejector block rod 3 and the first thimble plate 2, and the ejector block 13 is remained in the horn net 9.
Wherein the second ejection assembly comprises a second ejector plate 6, a first mold locking device 71 and a second mold locking device 72;
the first mold locking device 71 is connected with the second ejector plate 2 and the elastic plate 4, and the second mold locking device 72 is connected with the first ejector plate 2 and the second ejector plate 6.
The first mold locking device 71 comprises a first inserting rod, a first pull rod and a first elastic block; the first inserting rod is fixedly arranged, a first ejector block is arranged on one side of the first inserting rod, and the first elastic block is telescopically arranged on the side surface of the second ejector plate; the first pull rod is fixed on the side surface of the elastic plate, and a first draw hook is arranged on the side surface of the first pull rod. When the elastic plate moves upwards under the elastic action of the elastic body, the first draw hook abuts against the bottom surface of the elastic block, and then the second ejector plate is pulled to move upwards; when the elastic plate rises for a certain distance, the second ejector plate moves upwards to the position where the first elastic block is right opposite to the first ejector block, the first elastic block retracts into the elastic plate, and the elastic plate and the second ejector plate can move relatively.
Second mode locking device 72 includes second inserted bar, second pull rod, second bullet piece, expanding spring, the second inserted bar is fixed to be set up, and one side of second inserted bar has the recess, the second bullet piece is fixed the side of first thimble board, the perpendicular to can be followed to the second bullet piece under expanding spring's effect the second inserted bar removes, the second pull rod is fixed the side of second thimble board, the side of second pull rod has the second drag hook, the second pull rod is worn to locate in the second slider just the top surface of second drag hook with the bottom surface of second slider offsets. When the second ejector plate moves upwards, the second drag hook and the second slide block are matched to drive the first ejector plate to move upwards simultaneously; when the second ejector plate moves for a certain distance, the first ejector plate moves upwards to the position where the second elastic block is right opposite to the second ejector block, the second elastic block is inserted into the groove of the second insertion rod, so that the second pull rod can freely move in the second sliding block, and the first ejector plate and the second ejector plate can move relatively.
In addition to the specific forms of the first mold clamping device 71 and the second mold clamping device 72 described above, mold clamping devices having other configurations may be used, and the movement process of the spring plate 4, the first ejector plate 2, and the second ejector plate 6 may be realized. Those skilled in the art can adopt other structures of the mold clamping device according to the knowledge in the art.
In order to separate the ejector block 13 from the horn net 9, the ejector mechanism further comprises a small ejector pin 81 and a second ejector component, and the small ejector pin 81 penetrates through the forming block 1 to be in contact with the horn net 9; specifically, the small thimble 81 is in contact with the frame body between the meshes of the speaker net 9. The small thimble 81 is fixed to the second thimble plate 6.
The ejection mechanism further comprises a driving device 10, wherein the driving device 10 is connected with the second ejector plate 6 and is used for driving the second ejector plate 6 to move upwards.
Specifically, as shown in fig. 3, in the present embodiment, the driving device 10 is a KO ejector pin, which is a commonly used ejection power source in an injection mold and is not described in the present invention.
In order to improve the strength of the speaker mesh 9 or print trademarks and characters at the reserved positions, the middle positions of some speaker meshes 9 are not provided with speaker mesh 9 holes, and aiming at the speaker mesh 9, in order to improve the supporting force of a mould on the speaker mesh 9, the ejection mechanism further comprises a large thimble 82, and the large thimble 82 penetrates through the forming block 1 to be in contact with the position without meshes on the speaker mesh 9; the large thimble 82 is fixed to the second thimble plate 6. Because the large thimble 82 and the small thimble 81 are communicated at the same time, the stress area of the end surface of the large thimble 82 is large, the pressure intensity is small, and the small thimble 81 can be further prevented from piercing the horn mesh 9.
The invention also provides an ejection method, which is suitable for the large-caliber horn mesh ejection mechanism and comprises the following steps:
Before the steps, the method also comprises the step of opening the mould. By adopting the ejection method, the forming block main body with most of bosses can be separated from the speaker mesh firstly, the ejector blocks with a small number of bosses are left to support the speaker mesh, then the ejector blocks are separated from the speaker mesh, the speaker mesh is ejected by the small ejector pins, the speaker mesh and the bosses on the forming blocks are separated in a grading manner, the tightening force of the speaker mesh on the bosses is reduced, the speaker mesh is prevented from being adhered to the forming blocks, and meanwhile, the ejector pins are prevented from ejecting the speaker mesh.
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 (8)
1. The utility model provides a heavy-calibre loudspeaker net ejection mechanism which characterized in that includes:
the end face of the forming block is provided with a plurality of bosses for injection molding of horn meshes;
the forming block comprises a forming block main body and a plurality of top blocks, a plurality of mounting grooves are formed in the side face, close to the boss, of the forming block main body, and the top blocks are arranged in the mounting grooves;
the first ejection assembly comprises a first ejector plate and an ejector block rod fixed on the first ejector plate, the ejector block is installed at the end of the ejector block rod, and the first ejection assembly is used for driving the ejector block and the forming block main body to be staggered up and down.
2. The large caliber speaker mesh ejection mechanism of claim 1, comprising:
the plurality of mounting grooves are dispersedly arranged on the forming block main body.
3. The large-caliber horn net ejection mechanism according to claim 2, wherein:
the first ejection assembly further comprises an elastic plate and an elastic body arranged below the elastic plate; the upper surface of the elastic plate is provided with a mold core, the elastic plate is provided with a through groove which penetrates through the elastic plate up and down, and the forming block is arranged in the through groove;
the ejection mechanism further comprises a fixed plate, the forming block main body is fixed on the fixed plate, the elastic plate is arranged above the fixed plate, and two ends of the elastic body are respectively abutted against the elastic plate and the fixed plate; the elastic plate is connected with the first ejector plate through a second ejector assembly, and the first ejector plate moves upwards simultaneously when the elastic plate moves upwards.
4. The large-caliber horn net ejection mechanism according to claim 3, wherein:
the second ejection assembly comprises a second ejector plate, a first mold locking device and a second mold locking device;
the first mold locking device is connected with the second ejector plate and the elastic plate, and the second mold locking device is connected with the first ejector plate and the second ejector plate.
5. The large-caliber horn net ejection mechanism according to claim 4, wherein:
the ejection mechanism further comprises a small ejector pin, and the small ejector pin penetrates through the forming block to be in contact with the horn net;
the small thimble is fixed on the second thimble plate.
6. The large-caliber horn net ejection mechanism according to claim 4, wherein:
the ejection mechanism also comprises a large thimble which penetrates through the forming block to be in contact with a position without meshes on the horn net;
the large thimble is fixed on the second thimble plate.
7. The large-caliber horn net ejection mechanism according to claim 4, wherein:
the ejection mechanism further comprises a driving device, the driving device is connected with the second ejector plate and used for driving the second ejector plate to move upwards.
8. An ejection method applied to the large-caliber trumpet net ejection mechanism according to claim 5, comprising the following steps:
step 1, primary ejection: the elastic plate moves upwards under the action of the elastic body, meanwhile, the elastic plate drives the first ejector pin plate and the second ejector pin plate to move upwards together through the first mold locking device and the second mold locking device, the elastic plate stops moving after moving upwards to complete a first stroke, and the first mold locking device unlocks; the forming block main body fixed on the fixing plate is separated from the speaker mesh;
step 2, secondary ejection: the first ejector pin plate moves upwards under the action of the driving device, meanwhile, the first ejector pin plate drives the second ejector pin plate to move upwards together through the second mold locking device, after the first ejector pin plate moves upwards to complete a second stroke, the elastic plate is separated from the horn net, and the second mold locking device is unlocked;
step 3, ejecting for three times: and the first ejector plate continues to move upwards under the action of the driving device, and after the first ejector plate moves upwards to finish a third stroke, the ejector block is separated from the horn net.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110177086.5A CN112829233A (en) | 2021-02-07 | 2021-02-07 | Large-diameter speaker mesh ejection mechanism and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110177086.5A CN112829233A (en) | 2021-02-07 | 2021-02-07 | Large-diameter speaker mesh ejection mechanism and method |
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| Publication Number | Publication Date |
|---|---|
| CN112829233A true CN112829233A (en) | 2021-05-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110177086.5A Pending CN112829233A (en) | 2021-02-07 | 2021-02-07 | Large-diameter speaker mesh ejection mechanism and method |
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| Country | Link |
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| CN (1) | CN112829233A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114131841A (en) * | 2021-11-04 | 2022-03-04 | 广东东亚电器有限公司 | Injection mold for automobile thin-wall side coaming and ejection method |
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|---|---|---|---|---|
| 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 |
| CN104890198A (en) * | 2015-04-29 | 2015-09-09 | 耿晓冬 | Three-time auxiliary ejection mechanism and mould thereof |
| CN205167472U (en) * | 2015-11-17 | 2016-04-20 | 杭州安费诺嘉力讯连接技术有限公司 | Ejecting mould structure of cubic |
| CN205835856U (en) * | 2016-07-13 | 2016-12-28 | 浙江三雷模塑有限公司 | The loudspeaker mesh little thimble secondary ejecting mechanism of automobile door plate mould |
| CN208576151U (en) * | 2018-05-08 | 2019-03-05 | 新立科技股份有限公司 | Anti-sticking chamber combination ejection molding high-precision mold |
| CN209224504U (en) * | 2018-11-23 | 2019-08-09 | 天津银宝山新科技有限公司 | A kind of ejection assembly for realizing ejecting function three times |
| CN210940277U (en) * | 2019-11-12 | 2020-07-07 | 无锡瑞朗科技有限公司 | Secondary ejection mold |
| CN214448219U (en) * | 2021-02-07 | 2021-10-22 | 广东东亚电器有限公司 | Large-diameter speaker mesh ejection mechanism |
-
2021
- 2021-02-07 CN CN202110177086.5A patent/CN112829233A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN104890198A (en) * | 2015-04-29 | 2015-09-09 | 耿晓冬 | Three-time auxiliary ejection mechanism and mould thereof |
| CN205167472U (en) * | 2015-11-17 | 2016-04-20 | 杭州安费诺嘉力讯连接技术有限公司 | Ejecting mould structure of cubic |
| CN205835856U (en) * | 2016-07-13 | 2016-12-28 | 浙江三雷模塑有限公司 | The loudspeaker mesh little thimble secondary ejecting mechanism of automobile door plate mould |
| CN208576151U (en) * | 2018-05-08 | 2019-03-05 | 新立科技股份有限公司 | Anti-sticking chamber combination ejection molding high-precision mold |
| CN209224504U (en) * | 2018-11-23 | 2019-08-09 | 天津银宝山新科技有限公司 | A kind of ejection assembly for realizing ejecting function three times |
| CN210940277U (en) * | 2019-11-12 | 2020-07-07 | 无锡瑞朗科技有限公司 | Secondary ejection mold |
| CN214448219U (en) * | 2021-02-07 | 2021-10-22 | 广东东亚电器有限公司 | Large-diameter speaker mesh ejection mechanism |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114131841A (en) * | 2021-11-04 | 2022-03-04 | 广东东亚电器有限公司 | Injection mold for automobile thin-wall side coaming and ejection method |
| CN114131841B (en) * | 2021-11-04 | 2023-12-01 | 广东东亚电器有限公司 | Injection mold for automobile thin-wall side coaming |
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