CN115157580B - Demoulding mechanism and injection mould - Google Patents
Demoulding mechanism and injection mould Download PDFInfo
- Publication number
- CN115157580B CN115157580B CN202210885973.2A CN202210885973A CN115157580B CN 115157580 B CN115157580 B CN 115157580B CN 202210885973 A CN202210885973 A CN 202210885973A CN 115157580 B CN115157580 B CN 115157580B
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- Prior art keywords
- plate
- block
- inward
- guide piece
- connecting rod
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- 238000002347 injection Methods 0.000 title claims abstract description 15
- 239000007924 injection Substances 0.000 title claims abstract description 15
- 238000009434 installation Methods 0.000 claims abstract description 18
- 238000001746 injection moulding Methods 0.000 claims abstract description 5
- 238000010030 laminating Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 238000000465 moulding Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000010137 moulding (plastic) Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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
Landscapes
- 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 piece, a mould frame, a support plate and a guide piece, wherein the support plate and the guide piece are respectively arranged on the mould frame, the demoulding piece comprises an inward shrinking block, an oblique top and a shifting block, the inward shrinking block is connected with the support plate, the inward shrinking block is provided with an installation inclined plane, the oblique top is obliquely arranged on the installation inclined plane, the shifting block is connected with the inward shrinking block and the oblique top, and the shifting block is slidably arranged on the guide piece. The inward shrinkage block is connected with the inclined top through the shifting block, the inward shrinkage block is fixed on the carrier plate and can move along with the carrier plate, and the carrier plate drives the inward shrinkage block to drive the inclined top to move leftwards along the inclined plane during die sinking, so that a product is ejected. The guide piece is fixedly arranged on the die carrier, and the shifting block is slidably connected with the guide piece, so that the shifting block can slide along a fixed track on the guide piece, and the limiting and guiding effects on the movement of the stripping module are achieved. The demolding mechanism can be suitable for demolding of products with large barb angle designs, and is convenient for taking out injection molding products.
Description
Technical Field
The invention relates to the technical field of product demolding, in particular to a demolding mechanism and an injection mold.
Background
With the continuous expansion and popularization of the application field of plastic products, the plastic molding requirements of various electronic products are increasing, the design requirements of the products are various, the design modes of some products exceed the original design standard, and different mold opening schemes and design standards are required to be formulated according to different product design schemes. For ordinary product structure, product barb structure can be realized by fixed mechanical structure, but to the great product of design angle and barb volume, surpassed normal mould design scope, can't realize injection moulding back product and take out.
In view of the foregoing, it is desirable to provide a new demolding mechanism and injection mold that address or at least alleviate the above-mentioned technical drawbacks.
Disclosure of Invention
The invention mainly aims to provide a demolding mechanism and an injection mold, and aims to solve the technical problem that in the prior art, the demolding mechanism is difficult to demold for products with large design angles and barb amounts.
In order to achieve the above object, according to one aspect of the present invention, there is provided a demolding mechanism comprising a demolding member, a mold frame, and a carrier plate and a guide member respectively mounted to the mold frame, wherein the demolding member comprises a retracted block, an inclined top and a poking block, the retracted block is connected to the carrier plate, the retracted block is formed with a mounting inclined surface, the inclined top is obliquely mounted on the mounting inclined surface, the poking block is connected to the retracted block and the inclined top, and the poking block is slidably mounted on the guide member.
In an embodiment, the oblique top comprises an oblique plate and a horizontal plate connected to one side of the oblique plate and extending towards the guide piece, the oblique plate is attached to the installation inclined plane, the shifting block comprises a connecting section and an attaching section which are mutually connected, the connecting section is connected with the inward shrinking block, and the attaching section is arranged on one side of the oblique plate away from the inward shrinking block; note that the length of inclined plate edge installation inclined plane is A1, the oblique top with the laminating section edge installation inclined plane's cooperation length is L1, then has: l1> A1/2.
In an embodiment, the horizontal plate is attached to the top surface of the guide member, and the length of the horizontal plate along the horizontal direction is denoted as A2, and the matching length of the horizontal plate and the guide member is denoted as L2, where L2> A2 x 2/3.
In an embodiment, the horizontal plate is provided with a mounting hole, and the attaching section is mounted in the mounting hole.
In one embodiment, the guide member is formed with a guide groove at a position corresponding to the mounting hole, and the fitting section is slidably mounted in the guide groove.
In an embodiment, the demolding mechanism further comprises a male mold plate, an ejector plate, a first elastic piece and a second elastic piece, wherein the male mold plate is arranged on one side of the bearing plate facing the inward shrinking block, the ejector plate is arranged on one side of the bearing plate away from the male mold plate, two ends of the first elastic piece are respectively connected with the male mold plate and the ejector plate, and two ends of the second elastic piece are respectively connected with the bearing plate and the ejector plate.
In an embodiment, the first elastic piece comprises 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 male die plate and the thimble plate, the second elastic piece comprises 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 bearing plate and the thimble plate.
In an embodiment, the demolding mechanism further comprises a male mold plate, an ejector pin plate and a third elastic piece, wherein the male mold plate is arranged on one side of the carrier plate, which faces the inward shrinking block, the ejector pin plate is arranged on one side of the carrier plate, which is far away from the male mold plate, and two ends of the third elastic piece are respectively connected with the ejector pin plate and the carrier plate.
In an embodiment, the third elastic element comprises a third connecting rod and a third spring sleeved on the third connecting rod, and two ends of the third connecting rod are respectively connected with the thimble plate and the bearing plate.
According to another aspect of the invention, the invention further provides an injection mold, which comprises an injection mechanism and a molding mechanism, and further comprises the demolding mechanism.
In the above-mentioned scheme, demoulding mechanism includes the drawing of patterns piece, die carrier, and installs in carrier plate and the guide of die carrier respectively, and the drawing of patterns piece includes interior shrinkage piece, oblique top and shifting block, and interior shrinkage piece is connected with the carrier plate, and interior shrinkage piece is formed with the installation inclined plane, and the oblique top is installed in the installation inclined plane with sloping, and interior shrinkage piece and oblique top are connected to the shifting block, and shifting block slidable installs in the guide. The inward shrinkage block is connected with the inclined top through the shifting block, the inward shrinkage block is fixed on the carrier plate and can move along with the carrier plate, and the carrier plate drives the inward shrinkage block to drive the inclined top to move leftwards along the inclined plane during die sinking, so that a product is ejected. The guide piece is fixedly arranged on the die carrier, and the shifting block is slidably connected with the guide piece, so that the shifting block can slide along a fixed track on the guide piece, and the limiting and guiding effects on the movement of the stripping module are achieved. The invention adopts the shifting block type inward shrinking inclined ejector, and the inward shrinking block and the inclined ejector are obliquely ejected out, so that the invention can be suitable for demolding products with large barb angle design, and is convenient for taking out injection products.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings may be obtained from the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the construction of a stripper and guide member according to an embodiment of the present invention;
FIG. 2 is a side view of FIG. 1;
FIG. 3 is a schematic view of a mold release member according to an embodiment of the present 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 present invention;
FIG. 6 is a schematic view of another cross-sectional structure of a demolding mechanism according to an embodiment of the present invention;
FIG. 7 is a schematic view of a partial perspective of a demolding mechanism according to an embodiment of the present invention;
fig. 8 is a schematic view showing a cross-sectional structure of a demolding mechanism according to an embodiment of the present invention.
Reference numerals illustrate:
1. a mould frame; 2. a shrinking block; 21. a mounting inclined plane; 3. a pitched roof; 31. an inclined plate; 32. a horizontal plate; 4. a shifting block; 41. a connection section; 42. a bonding section; 5. a guide member; 6. a carrier plate; 7. a male template; 8. a needle ejection plate; 9. a first spring; 10. a second spring; 11. and a third spring.
The achievement of the object, functional features and advantages of the present invention will be further described with reference to the drawings in connection with the embodiments.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, based on the embodiments of the invention, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the invention.
It should be noted that all directional indicators (such as upper and lower … …) in the embodiments of the present invention are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature.
Moreover, the technical solutions of the embodiments of the present invention may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the embodiments, and when the technical solutions are contradictory or cannot be implemented, it should be considered that the combination of the technical solutions does not exist, and is not within the scope of protection claimed by the present invention.
Referring to fig. 1-8, the invention provides a demolding mechanism, which comprises a demolding piece, a mold frame 1, a support plate 6 and a guide piece 5, wherein the support plate 6 and the guide piece 5 are respectively arranged on the mold frame 1, the demolding piece comprises an inward shrinking block 2, an oblique top 3 and a shifting block 4, the inward shrinking block 2 is connected with the support plate 6, the inward shrinking block 2 is provided with an installation inclined surface 21, the oblique top 3 is obliquely arranged on the installation inclined surface 21, the shifting block 4 is connected with the inward shrinking block 2 and the oblique top 3, and the shifting block 4 is slidably arranged on the guide piece 5.
In the above embodiment, the inner shrinkage block 2 and the inclined roof 3 are connected together through the shifting block 4, the inner shrinkage block 2 is fixed on the carrier plate 6 and can move along with the carrier plate 6, and the carrier plate 6 drives the inner shrinkage block 2 to drive the inclined roof 3 to move leftwards along the inclined plane during mold opening, so that the product is ejected. The guide piece 5 is fixedly arranged on the die carrier 1, and the poking block 4 is slidably connected with the guide piece 5, so that the poking block 4 can slide along a fixed track on the guide piece 5, and the limiting and guiding functions are realized on the movement of the stripping module. The embodiment adopts the shifting block type inward shrinking oblique ejector, so that the inward shrinking block and the oblique ejector are obliquely ejected out, the ejector can be suitable for demolding products with large barb angle designs, and the injection molding products can be conveniently taken out.
Referring to fig. 1 to 3, in an embodiment, the tilt head 3 includes a tilt plate 31 and a horizontal plate 32 connected to one side of the tilt plate 31 and extending toward the guide 5, the tilt plate 31 is attached to the mounting inclined surface 21, the dial 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 pinch block 2, and the attaching section 42 is disposed on one side of the tilt plate 31 facing away from the inner pinch block 2; note that the length of the inclined plate 31 along the installation inclined plane 21 is A1, and the fitting length of the inclined top 3 and the fitting section 42 along the installation inclined plane 21 is L1, then there are: l1> A1/2. Specifically, an inclined installation slope 21 is formed at the top end of the inner shrinking block 2, a vertical surface connected with the inclined installation slope 21 is formed at the bottom of the inner shrinking block 2, a connecting section 41 of the shifting block 4 is horizontally arranged and fixedly connected with the inner shrinking block 2 through a screw, and the inclination angle of a fitting section 42 of the shifting block 4 is the same as that of the inclined plate 31. Through setting up a great cooperation length, can ensure that the laminating of interior shrinkage block 2, oblique top 3 and shifting block 4 is inseparabler, also be 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, and the length of the horizontal plate 32 along the horizontal direction is A2, and when the oblique 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 then L2> A2/3. The guide 5 is provided with an upward-opening accommodating groove, the horizontal plate 32 is arranged in the accommodating groove and is attached to the bottom of the accommodating groove, the matching length is designed to be larger, and the shaking phenomenon is also reduced in the small use process.
In one embodiment, the horizontal plate 32 is provided with a mounting hole, the attaching section 42 is mounted on the mounting hole, a guide groove is formed at a position of the guide member 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 mounting hole, and simultaneously the bottom end of the inclined plate 31 is arranged in a groove formed by the shifting block 4 and the inward 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 slope 21 and the inclined plate 31, and in particular, the clearance may be set to 0.2mm, so that the pressing between the dial 4 and the slider can be reduced, thereby reducing wear. The guide 5 is formed with a guide groove having a center line parallel to the inclination direction of the inclined plate 31 in order to facilitate the sliding of the dial 4 and to limit and guide the dial 4.
Referring to fig. 4-7, in an embodiment, the demolding mechanism further includes a male mold plate 7, a thimble 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 shrinking block 2, the thimble plate 8 is disposed on a side of the carrier plate 6 far 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 thimble plate 8, and two ends of the second elastic member are respectively connected with the carrier plate 6 and the thimble plate 8. Specifically, the first elastic piece includes first connecting rod and suit in the first spring 9 of first connecting rod, and the both ends of first connecting rod are connected with public template 7 and thimble board 8 respectively, and the second elastic piece includes second connecting rod and suit in the second spring 10 of second connecting rod, and the both ends of second connecting rod are connected with carrier plate 6 and thimble board 8 respectively. The first spring 9 is propped between the male template 7 and the thimble plate 8, the male template 7 is always compressed in the process of ejection, the theft and the return of the male template 7 can be effectively prevented, and the locking of a crank is avoided; the second spring 10 is propped between the bearing plate 6 and the thimble plate 8 to play a role of resetting the thimble plate 8, and the compression amount of the second spring 10 is smaller.
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, where the male mold plate 7 is disposed on a side of the carrier plate 6 facing the inward shrinking block 2, the ejector plate 8 is disposed on a side of the carrier plate 6 far 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 piece 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 thimble plate 8 and the bearing plate 6. Specifically, the number of the third elastic pieces can be multiple, the third springs 11 are propped between the carrier plate 6 and the thimble plate 8, the function of resetting the thimble plate 8 can be achieved, meanwhile, the male template 7 is always compressed in the ejection process, the male template 7 can be effectively prevented from being stolen and returned, and the locking of a crank is avoided.
According to another aspect of the invention, the invention further provides an injection mold, which comprises an injection mechanism and a molding mechanism, and further comprises 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, and the demolding mechanism is used for ejecting out the product in the molding cavity to finish demolding. Because the injection mold comprises all the technical schemes of all the embodiments of the demolding mechanism, the injection mold at least has all the beneficial effects brought by all the technical schemes, and the description is omitted here.
The foregoing is only an optional embodiment of the present invention, and is not intended to limit the scope of the present invention, and all the equivalent structural changes made by the description of the present invention and the accompanying drawings or the direct/indirect application in other related technical fields are included in the scope of the present invention.
Claims (6)
1. The demolding mechanism is characterized by comprising a demolding piece, a mold frame, a support plate and a guide piece, wherein the support plate and the guide piece are respectively arranged on the mold frame, the demolding piece comprises an inward shrinking block, an oblique top and a shifting block, the inward shrinking block is connected with the support plate, the inward shrinking block is provided with an installation inclined plane, the oblique top is obliquely arranged on the installation inclined plane, the shifting block is connected with the inward shrinking block and the oblique top, and the shifting block is slidably arranged on the guide piece;
the oblique top comprises an inclined plate and a horizontal plate connected to one side of the inclined plate and extending 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 mutually connected, the connecting section is connected with the inward shrinking block, and the attaching section is arranged on one side, deviating from the inward shrinking block, of the inclined plate; note that the length of inclined plate edge installation inclined plane is A1, the oblique top with the laminating section edge installation inclined plane's cooperation length is L1, then has: l1> A1/2;
the horizontal plate is attached to the top surface of the guide piece, the length of the horizontal plate along the horizontal direction is A2, the matching length of the horizontal plate and the guide piece is L2, and then L2 is more than A2 x 2/3;
the horizontal plate is provided with a mounting hole, and the attaching section is mounted in the mounting hole;
the guide piece is provided with a guide groove at a position corresponding to the mounting hole, and the attaching section is slidably mounted in the guide groove.
2. The demolding mechanism according to claim 1, further comprising a male mold plate, an ejector plate, a first elastic member and a second elastic member, wherein the male mold plate is disposed on a side of the carrier plate facing the inward shrinking block, the ejector plate is disposed on a 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.
3. The demolding mechanism according to claim 2, wherein the first elastic member comprises 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 male mold plate and the ejector plate, the second elastic member comprises 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.
4. The demolding mechanism according to claim 1, further comprising a male mold plate, an ejector plate and a third elastic member, wherein the male mold plate is disposed on a side of the carrier plate facing the inward shrinkage block, the ejector plate is disposed on a side of the carrier plate away from the male mold plate, and both ends of the third elastic member are respectively connected with the ejector plate and the carrier plate.
5. The demolding mechanism of claim 4, wherein the third elastic piece comprises a third connecting rod and a third spring sleeved on the third connecting rod, and two ends of the third connecting rod are respectively connected with the ejector plate and the carrier plate.
6. An injection mold, characterized in that the injection mold comprises an injection molding mechanism and a forming mechanism, and further comprises the demolding mechanism of any one of claims 1-5.
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 CN115157580A (en) | 2022-10-11 |
| CN115157580B true CN115157580B (en) | 2024-02-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210885973.2A Active CN115157580B (en) | 2022-07-26 | 2022-07-26 | Demoulding mechanism and injection mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115157580B (en) |
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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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115157580A (en) | 2022-10-11 |
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