CN115157580A - Demoulding mechanism and injection mold - Google Patents
Demoulding mechanism and injection mold Download PDFInfo
- Publication number
- CN115157580A CN115157580A CN202210885973.2A CN202210885973A CN115157580A CN 115157580 A CN115157580 A CN 115157580A CN 202210885973 A CN202210885973 A CN 202210885973A CN 115157580 A CN115157580 A CN 115157580A
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- plate
- block
- guide
- ejector
- demoulding
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- 230000007246 mechanism Effects 0.000 title claims abstract description 45
- 238000002347 injection Methods 0.000 title claims abstract description 14
- 239000007924 injection Substances 0.000 title claims abstract description 14
- 238000009434 installation Methods 0.000 claims abstract description 19
- 238000000465 moulding Methods 0.000 claims description 7
- 230000008602 contraction Effects 0.000 description 11
- 239000000243 solution Substances 0.000 description 7
- 238000001746 injection moulding Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008094 contradictory 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
- 238000010137 moulding (plastic) Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 210000003813 thumb Anatomy 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
- B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
- B29C45/332—Mountings or guides therefor; Drives therefor
-
- 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
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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 demoulding mechanism and an injection mould, wherein the demoulding mechanism comprises a demoulding part, a mould base, a bearing plate and a guide part, wherein the bearing plate and the guide part are respectively arranged on the mould base, the demoulding part comprises an inner shrinkage block, an inclined top and a shifting block, the inner shrinkage block is connected with the bearing plate, the inner shrinkage block is provided with an installation inclined plane, the inclined top is obliquely arranged on the installation inclined plane, the shifting block is connected with the inner shrinkage block and the inclined top, and the shifting block can be slidably arranged on the guide part. Draw back the piece and link together with pushing up to one side in will through the shifting block, draw back the piece in and fix on the carrier plate and can move along with the carrier plate, draw back the piece drive in the carrier plate drive and push up to one side along the inclined plane and move left during the die sinking, ejecting with the product. The guide piece is fixedly installed on the die frame, and the shifting block is connected with the guide piece in a sliding mode, so that the shifting block can slide along a fixed track on the guide piece, and the moving of the demoulding piece is limited and guided. The demoulding mechanism can be suitable for demoulding products with large barb angle design, and the injection products can be taken out conveniently.
Description
Technical Field
The invention relates to the technical field of product demoulding, in particular to a demoulding mechanism and an injection mould.
Background
With the continuous expansion and popularization of the application field of plastic products, the demand of plastic molding for various electronic products is increasing day by day, the design requirements of the products are various, the design mode of some products exceeds the original design standard, and different mold opening schemes and design standards need to be formulated according to different product design schemes. For a common product structure, the barb structure of the product can be realized by a fixed mechanical structure, but for a product with a large design angle and barb amount, the design range of a normal mold is exceeded, and the product can not be taken out after injection molding.
Accordingly, there is a need for a new mold releasing mechanism and an injection mold, which solve or at least alleviate the above technical drawbacks.
Disclosure of Invention
The invention mainly aims to provide a demoulding mechanism and an injection mould, and aims to solve the technical problem that the demoulding mechanism in the prior art is difficult to demould products with large design angles and barb quantities.
In order to achieve the above object, according to one aspect of the present invention, there is provided a demolding mechanism including a demolding member, a mold frame, and a carrier plate and a guide member respectively mounted on the mold frame, the demolding member including an inner contracting block, an inclined top, and a shifting block, the inner contracting block being connected to the carrier plate, the inner contracting block being formed with a mounting inclined surface, the inclined top being obliquely mounted to the mounting inclined surface, the shifting block connecting the inner contracting block and the inclined top, and the shifting block being slidably mounted on the guide member.
In one embodiment, the lifter comprises an inclined plate and a horizontal plate which is connected to one side of the inclined plate and extends towards the guide piece, the inclined plate is attached to the installation inclined surface, the shifting block comprises a connecting section and an attaching section which are connected with each other, the connecting section is connected to the inner shrinkage block, and the attaching section is arranged on one side, away from the inner shrinkage block, of the inclined plate; note that the length of the inclined plate along the installation inclined plane is A1, the matching length of the inclined top and the attaching section along the installation inclined plane is L1, and then: l1> A1/2.
In an embodiment, the horizontal plate is attached to the top surface of the guide, the length of the horizontal plate along the horizontal direction is A2, and the matching length of the horizontal plate and the guide is L2, so that L2> A2 x 2/3 exists.
In an embodiment, the horizontal plate is provided with a mounting hole, and the attaching section is mounted in the mounting hole.
In an embodiment, a guide groove is formed in a position of the guide piece corresponding to the mounting hole, and the attaching section is slidably mounted in the guide groove.
In an embodiment, the demolding mechanism further includes a male mold plate, an ejector plate, a first elastic member and a second elastic member, the male mold plate is disposed on one side of the carrier plate facing the inner shrinking block, the ejector plate is disposed on one side of the carrier plate away from the male mold plate, two ends of the first elastic member are respectively connected with the male mold plate and the ejector plate, and two ends of the second elastic member are respectively connected with the carrier plate and the ejector plate.
In an embodiment, the first elastic member includes a first connecting rod and a first spring sleeved on the first connecting rod, two ends of the first connecting rod are respectively connected with the core plate and the ejector plate, the second elastic member includes a second connecting rod and a second spring sleeved on the second connecting rod, and two ends of the second connecting rod are respectively connected with the carrier plate and the ejector plate.
In an embodiment, the demolding mechanism further includes a male mold plate, an ejector plate, and a third elastic member, the male mold plate is disposed on one side of the carrier plate facing the inward-shrinking block, the ejector plate is disposed on one side of the carrier plate away from the male mold plate, and two ends of the third elastic member are respectively connected to the ejector plate and the carrier plate.
In an embodiment, the third elastic member includes a third link and a third spring sleeved on the third link, and two ends of the third link are respectively connected with the ejector plate and the carrier plate.
According to another aspect of the invention, the invention also provides an injection mold, which comprises an injection mechanism, a molding mechanism and the demolding mechanism.
In the scheme, the demolding mechanism comprises a demolding part, a mold frame, a bearing plate and a guide part, wherein the bearing plate and the guide part are respectively installed on the mold frame, the demolding part comprises an inner shrinking block, an inclined top and a shifting block, the inner shrinking block is connected with the bearing plate, the inner shrinking block is provided with an installation inclined surface, the inclined top is obliquely installed on the installation inclined surface, the shifting block is connected with the inner shrinking block and the inclined top, and the shifting block can be installed on the guide part in a sliding mode. Draw back the piece and link together with pushing up to one side in will through the shifting block, draw back the piece in and fix on the carrier plate and can move along with the carrier plate, draw back the piece drive in the carrier plate drive and push up to one side along the inclined plane and move left during the die sinking, ejecting with the product. The guide piece is fixedly installed on the die frame, and the shifting block is connected with the guide piece in a sliding mode, so that the shifting block can slide along a fixed track on the guide piece, and the moving of the demoulding piece is limited and guided. The invention adopts the shifting block type inner-contracting pitched roof to eject the inner-contracting block and the pitched roof in a slanting way, thereby being suitable for demoulding products with large barb angle design and being convenient for taking out injection molding products.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic view of the construction of a stripper element and a guide element according to an embodiment of the invention;
FIG. 2 is a side view of FIG. 1;
FIG. 3 is a schematic structural view of a stripper member according to an embodiment of the invention;
fig. 4 is a schematic perspective view of a demolding mechanism according to an embodiment of the present invention;
FIG. 5 is a schematic cross-sectional view of a demolding mechanism according to an embodiment of the invention;
FIG. 6 is a schematic cross-sectional view of another exemplary release mechanism;
fig. 7 is a schematic perspective view of a part of a demolding mechanism according to an embodiment of the invention;
fig. 8 is a schematic cross-sectional view of a demolding mechanism according to an embodiment of the present invention.
The reference numbers illustrate:
1. a mold frame; 2. an inner shrinking block; 21. installing an inclined plane; 3. obliquely ejecting; 31. an inclined plate; 32. a horizontal plate; 4. shifting blocks; 41. a connection section; 42. a fitting section; 5. a guide member; 6. a carrier plate; 7. a male template; 8. an ejector plate; 9. a first spring; 10. a second spring; 11. and a third spring.
The implementation, functional features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
It should be noted that all the directional indicators (such as upper and lower 8230; etc.) in the embodiments of the present invention are only used for explaining the relative positional relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.
Moreover, the technical solutions in the embodiments of the present invention may be combined with each other, but it is necessary to be able to be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent, and is not within the protection scope of the present invention.
Referring to fig. 1 to 8, the invention provides a demoulding mechanism, which comprises a demoulding part, a mould frame 1, a bearing plate 6 and a guide part 5, wherein the bearing plate 6 and the guide part 5 are respectively arranged on the mould frame 1, the demoulding part comprises an inner contraction block 2, an inclined top 3 and a shifting block 4, the inner contraction block 2 is connected with the bearing plate 6, the inner contraction block 2 is provided with an installation inclined surface 21, the inclined top 3 is obliquely arranged on the installation inclined surface 21, the shifting block 4 is connected with the inner contraction block 2 and the inclined top 3, and the shifting block 4 can be slidably arranged on the guide part 5.
In the embodiment, the shifting block 4 is used for connecting the inner contraction block 2 with the inclined top 3, the inner contraction block 2 is fixed on the bearing plate 6 and can move together with the bearing plate 6, the bearing plate 6 drives the inner contraction block 2 to drive the inclined top 3 to move leftwards along the inclined plane during die opening, and a product is ejected out. The guide part 5 is fixedly arranged on the die carrier 1, and the shifting block 4 is connected with the guide part 5 in a sliding way, so that the shifting block 4 can slide along a fixed track on the guide part 5, and the moving of the demoulding part is limited and guided. This embodiment adopts the oblique top of contracting in the shifting block formula, will contract in the piece with oblique top slant ejecting, can be applicable to the drawing of patterns of the product that the barb angle design is big, make things convenient for injection moulding product's taking out.
Referring to fig. 1 to 3, in an embodiment, the lifter 3 includes an inclined plate 31 and a horizontal plate 32 connected to one side of the inclined plate 31 and extending toward the guide 5, the inclined plate 31 is attached to the installation inclined surface 21, the shifting block 4 includes a connecting section 41 and an attaching section 42 connected to each other, the connecting section 41 is connected to the inner contracting block 2, and the attaching section 42 is disposed on one side of the inclined plate 31 away from the inner contracting block 2; note that the length of the inclined plate 31 along the installation inclined surface 21 is A1, and the matching length of the slanted ejecting part 3 and the attaching part 42 along the installation inclined surface 21 is L1, then there are: l1> A1/2. Specifically, an inclined installation surface 21 is formed at the top end of the inner contraction block 2, a vertical surface connected with the inclined installation surface 21 is formed at the bottom of the inner contraction block 2, the connecting section 41 of the shifting block 4 is horizontally arranged and fixedly connected with the inner contraction block 2 through a screw, and the attaching section 42 of the shifting block 4 has the same inclination angle as the inclined plate 31. Through setting up a great cooperation length, can ensure that the laminating of interior shrink piece 2, oblique top 3 and shifting block 4 is inseparabler, also is difficult to rock at the removal in-process, improves the demolding precision.
Referring to fig. 2, in an embodiment, the horizontal plate 32 is attached to the top surface of the guide 5, the length of the horizontal plate 32 in the horizontal direction is A2, and when the slanted top 3 and the retracted block 2 are not ejected, the matching length of the horizontal plate 32 and the guide 5 is L2, and L2> A2 × 2/3. Be formed with the holding tank that the opening faces up on the guide 5, horizontal plate 32 sets up in the holding tank and sets up with the bottom laminating of holding tank, will cooperate the great of length design, also appear the phenomenon of rocking in order to reduce little use.
In an embodiment, the horizontal plate 32 is provided with a mounting hole, the attaching section 42 is mounted in the mounting hole, a guide groove is formed on the guide 5 corresponding to the mounting hole, and the attaching section 42 is slidably mounted in the guide groove. The guide piece 5 is installed on the inclined top 3 through the installation hole, and meanwhile, the bottom end of the inclined plate 31 is arranged in a groove formed by the shifting block 4 and the inner shrinking block 2 and is attached to the bottom surface of the groove. It is also possible to provide a certain clearance between the mounting bevel 21 and the inclined plate 31, in particular a clearance of 0.2mm, which reduces the compression between the thumb block 4 and the slider and thus reduces wear. The guide 5 is formed with a guide groove having a center line parallel to the inclination direction of the inclined plate 31 for facilitating the sliding of the paddle 4 and for limiting and guiding the paddle 4.
In one embodiment, the guide 5 is a guide block that is connected to the carrier plate 6 by a threaded fastener. During the movement of the stripper, the guide block is stationary. But can connect the guide block and the bearing plate 6 through a threaded fastener, and the guide block and the bearing plate are arranged in a detachable mode so as to be convenient to replace and maintain.
Referring to fig. 4 to 7, in an embodiment, the demolding mechanism further includes a male mold plate 7, an ejector plate 8, a first elastic member, and a second elastic member, the male mold plate 7 is disposed on a side of the carrier plate 6 facing the inward-contracting block 2, the ejector plate 8 is disposed on a side of the carrier plate 6 away from the male mold plate 7, two ends of the first elastic member are respectively connected with the male mold plate 7 and the ejector plate 8, and two ends of the second elastic member are respectively connected with the carrier plate 6 and the ejector plate 8. Specifically, the first elastic part comprises a first connecting rod and a first spring 9 sleeved on the first connecting rod, two ends of the first connecting rod are respectively connected with the male template 7 and the ejector plate 8, the second elastic part comprises a second connecting rod and a second spring 10 sleeved on the second connecting rod, and two ends of the second connecting rod are respectively connected with the bearing plate 6 and the ejector plate 8. The first spring 9 is pushed between the male template 7 and the ejector plate 8, and the male template 7 is compressed all the time in the pushing process, so that the male template 7 can be effectively prevented from being stolen to return, and the dead locking of the crutch is avoided; the second spring 10 is urged between the carrier plate 6 and the ejector plate 8, and functions to reset the ejector plate 8, and the amount of compression of the second spring 10 is small.
Referring to fig. 8, in an embodiment, the demolding mechanism further includes a male mold plate 7, an ejector plate 8, and a third elastic member, the male mold plate 7 is disposed on a side of the carrier plate 6 facing the inner contraction block 2, the ejector plate 8 is disposed on a side of the carrier plate 6 away from the male mold plate 7, and two ends of the third elastic member are respectively connected with the ejector plate 8 and the carrier plate 6. Specifically, the third elastic element comprises a third connecting rod and a third spring 11 sleeved on the third connecting rod, and two ends of the third connecting rod are respectively connected with the ejector plate 8 and the bearing plate 6. Specifically, the quantity of third elastic component can be a plurality ofly, with third spring 11 top between carrier plate 6 and thimble board 8, can play the effect of the thimble board 8 that resets, compress the core plate 7 at ejecting in-process all the time simultaneously, can effectually prevent that core plate 7 from stealing the return, has avoided the turning card to die.
According to another aspect of the invention, the invention further provides an injection mold, which comprises an injection mechanism, a molding mechanism and the demolding mechanism. The molding mechanism is provided with a product molding cavity for molding the molten raw material injected by the injection molding mechanism into a required product, and the demolding mechanism is used for ejecting the product in the molding cavity to complete demolding. Since the injection mold comprises all technical solutions of all embodiments of the demolding mechanism, at least all beneficial effects brought by all technical solutions are achieved, and details are not repeated herein.
The above description is only an alternative embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents made by the claims and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A demoulding mechanism is characterized by comprising a demoulding part, a mould frame, a bearing plate and a guide part, wherein the bearing plate and the guide part are respectively arranged on the mould frame, the demoulding part comprises an inner shrinking block, an inclined top and a shifting block, the inner shrinking block is connected with the bearing plate, an installation inclined plane is formed on the inner shrinking block, the inclined top is obliquely arranged on the installation inclined plane, the shifting block is connected with the inner shrinking block and the inclined top, and the shifting block is slidably arranged on the guide part.
2. The stripper mechanism of claim 1, wherein the lifter comprises an inclined plate and a horizontal plate connected to a side of the inclined plate and extending toward the guide, the inclined plate engaging the mounting ramp, the pusher comprises a connecting section and an engaging section connected to each other, the connecting section is connected to the retracted block, and the engaging section is disposed on a side of the inclined plate facing away from the retracted block; note that the length of the inclined plate along the installation inclined plane is A1, the cooperation length of the pitched roof and the attaching section along the installation inclined plane is L1, and then there are: l1> A1/2.
3. The stripper mechanism of claim 2, wherein the horizontal plate is attached to the top surface of the guide, the horizontal plate has a length A2 in the horizontal direction, and the horizontal plate has a length L2 in cooperation with the guide, such that L2> A2 x 2/3.
4. The stripper mechanism of claim 2, wherein the horizontal plate is provided with mounting holes, and the abutment section is mounted to the mounting holes.
5. The ejector mechanism of claim 4, wherein the guide member is formed with a guide groove at a position corresponding to the mounting hole, and the abutting section is slidably mounted to the guide groove.
6. The demolding mechanism as claimed in any one of claims 1 to 5, wherein the demolding mechanism further comprises a male mold plate, an ejector plate, a first elastic member and a second elastic member, the male mold plate is disposed on a side of the carrier plate facing the retraction block, the ejector plate is disposed on a side of the carrier plate away from the male mold plate, both ends of the first elastic member are connected to the male mold plate and the ejector plate, respectively, and both ends of the second elastic member are connected to the carrier plate and the ejector plate, respectively.
7. The demolding mechanism of claim 6 wherein said first resilient member comprises a first link and a first spring fitted around said first link, both ends of said first link being connected to said male mold plate and said ejector plate, respectively, said second resilient member comprises a second link and a second spring fitted around said second link, both ends of said second link being connected to said carrier plate and said ejector plate, respectively.
8. The demolding mechanism as claimed in any one of claims 1 to 5, wherein the demolding mechanism further comprises a male mold plate, an ejector plate and a third elastic member, the male mold plate is arranged on one side of the carrier plate facing the inward-contracting block, the ejector plate is arranged on one side of the carrier plate far away from the male mold plate, and two ends of the third elastic member are respectively connected with the ejector plate and the carrier plate.
9. The ejector mechanism of claim 8, wherein the third elastic member includes a third link and a third spring fitted around the third link, and both ends of the third link are connected to the ejector plate and the carrier plate, respectively.
10. An injection mold, comprising an injection mechanism and a molding mechanism, and further comprising the mold-releasing mechanism according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210885973.2A CN115157580B (en) | 2022-07-26 | 2022-07-26 | Demoulding mechanism and injection mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210885973.2A CN115157580B (en) | 2022-07-26 | 2022-07-26 | Demoulding mechanism and injection mould |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115157580A true CN115157580A (en) | 2022-10-11 |
| CN115157580B CN115157580B (en) | 2024-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210885973.2A Active CN115157580B (en) | 2022-07-26 | 2022-07-26 | Demoulding mechanism and injection mould |
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| Country | Link |
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| CN (1) | CN115157580B (en) |
Citations (7)
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|---|---|---|---|---|
| JP2000246739A (en) * | 1999-02-26 | 2000-09-12 | Moorudekku:Kk | Undercut working mechanism for resin mold |
| CN201702908U (en) * | 2010-06-13 | 2011-01-12 | 宁波舜宇模具有限公司 | Large-draft-angle reversed ejection and angle ejection demolding guide mechanism |
| CN208812465U (en) * | 2018-09-27 | 2019-05-03 | 宁波忠辉模具有限公司 | A kind of automobile armrest decoration mold |
| CN111927941A (en) * | 2020-09-03 | 2020-11-13 | 钟丹 | Plastic speed reducer, oxygen increasing machine and method for preparing box body of speed reducer |
| CN112519136A (en) * | 2020-12-11 | 2021-03-19 | 乐清瑞风精密模具有限公司 | One-mold eight-mold injection mold |
| CN213382806U (en) * | 2020-09-22 | 2021-06-08 | 上海凌田精密模塑有限公司 | Mold lifter structure and injection mold |
| CN214188205U (en) * | 2020-12-11 | 2021-09-14 | 乐清瑞风精密模具有限公司 | Take oblique top mechanism injection mold |
-
2022
- 2022-07-26 CN CN202210885973.2A patent/CN115157580B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000246739A (en) * | 1999-02-26 | 2000-09-12 | Moorudekku:Kk | Undercut working mechanism for resin mold |
| CN201702908U (en) * | 2010-06-13 | 2011-01-12 | 宁波舜宇模具有限公司 | Large-draft-angle reversed ejection and angle ejection demolding guide mechanism |
| CN208812465U (en) * | 2018-09-27 | 2019-05-03 | 宁波忠辉模具有限公司 | A kind of automobile armrest decoration mold |
| CN111927941A (en) * | 2020-09-03 | 2020-11-13 | 钟丹 | Plastic speed reducer, oxygen increasing machine and method for preparing box body of speed reducer |
| CN213382806U (en) * | 2020-09-22 | 2021-06-08 | 上海凌田精密模塑有限公司 | Mold lifter structure and injection mold |
| CN112519136A (en) * | 2020-12-11 | 2021-03-19 | 乐清瑞风精密模具有限公司 | One-mold eight-mold injection mold |
| CN214188205U (en) * | 2020-12-11 | 2021-09-14 | 乐清瑞风精密模具有限公司 | Take oblique top mechanism injection mold |
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| Publication number | Publication date |
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| CN115157580B (en) | 2024-02-09 |
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