CN110900906A - Plate forming die and plate forming method - Google Patents
Plate forming die and plate forming method Download PDFInfo
- Publication number
- CN110900906A CN110900906A CN201911170530.XA CN201911170530A CN110900906A CN 110900906 A CN110900906 A CN 110900906A CN 201911170530 A CN201911170530 A CN 201911170530A CN 110900906 A CN110900906 A CN 110900906A
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- Prior art keywords
- die
- plate
- cavity
- forming
- profiling
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000000465 moulding Methods 0.000 claims abstract description 10
- 238000003825 pressing Methods 0.000 claims abstract description 7
- 238000002347 injection Methods 0.000 claims description 13
- 239000007924 injection Substances 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 10
- 239000003292 glue Substances 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000012545 processing Methods 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000007723 die pressing method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/42—Moulds or cores; Details thereof or accessories therefor characterised by the shape of the moulding surface, e.g. ribs or grooves
-
- 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
- B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
- B29C67/0011—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 for shaping plates or sheets
-
- 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
- B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
- B29C67/0044—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 for shaping edges or extremities
-
- 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
- B29L2007/00—Flat articles, e.g. films or sheets
- B29L2007/002—Panels; Plates; Sheets
-
- 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
- B29L2031/3431—Telephones, Earphones
- B29L2031/3437—Cellular phones
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Telephone Set Structure (AREA)
Abstract
The invention discloses a plate forming die and a plate forming method using the plate forming die, wherein the plate forming die comprises a lower die and an upper die, and the plate is automatically clamped and embedded into a second profiling surrounding surface by using a guide surface, so that the manual operation is omitted, the process time is optimized, the production efficiency is greatly improved, the problem of pressing the periphery of the plate during die assembly is solved, the product quality is ensured, and the die is prevented from being damaged; in addition, the matching of the first copying surrounding surface and the second copying surrounding surface can ensure that after a product is molded, the parting line can not appear on the side frame of the mobile phone shell, the parting line problem which often appears after the molding of the side frame in the industry is solved, and the quality of the product is greatly improved.
Description
Technical Field
The invention relates to the technical field of dies, in particular to a plate forming die and a plate forming method.
Background
The plate forming usually uses a heating forming or injection molding process, when the periphery of the plate needs to be formed in a bending flanging shape, similar products such as the side frame of the mobile phone shell are provided with forming grooves, workers need to manually embed the surrounding edge of the plate into the forming grooves during production, then the die assembly is carried out, and the surrounding edge forms the side frame of the mobile phone shell in the forming grooves, so that the production mode is time-consuming and labor-consuming; if the periphery of the plate enters the forming groove during die assembly, the die can be pressed on the edge of the plate, and the product and the die are damaged.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the above-mentioned problems in the related art. Therefore, the invention provides a plate forming die which can improve the production efficiency and the product quality.
In order to achieve the purpose, the technical scheme of the invention is as follows:
the invention also provides a plate forming method using the plate forming die.
According to a first aspect embodiment of the present invention, a sheet material forming die comprises: the lower die is provided with a first die cavity, the periphery of the first die cavity is upwards raised, the inner wall of the periphery forms a first profiling surrounding surface, and a clamping groove is arranged around the outer part of the first die cavity; the upper die comprises a pressure head and a second die cavity, and the pressure head is positioned in the second die cavity and can independently move towards the direction of the first die cavity; a second profiling surrounding surface is formed between the outer wall of the pressure head and the second die cavity, an arc-shaped guide surface is formed by extending downwards along the second profiling surrounding surface, and a tangent line at the joint of the guide surface and the second profiling surrounding surface faces the pressure head; after the die is assembled, the guide surface is tightly attached to the inside of the clamping groove, and a sealed molding cavity is formed among the first die cavity, the second profiling surrounding surface and the outer wall of the pressure head.
The plate forming die provided by the embodiment of the invention at least has the following beneficial effects: the guide surface is utilized to realize that the plate is automatically clamped and embedded into the second profiling surrounding surface, so that manual operation is saved, the working procedure time is optimized, the production efficiency is greatly improved, the problem of die pressing of the periphery of the plate during die assembly is avoided, the product quality is ensured, and the die is prevented from being damaged; in addition, the matching of the first copying surrounding surface and the second copying surrounding surface can ensure that after a product is molded, the parting line can not appear on the side frame of the mobile phone shell, the parting line problem which often appears after the molding of the side frame in the industry is solved, and the quality of the product is greatly improved.
According to some embodiments of the invention, the first die cavity is provided with a limiting column at a position corresponding to a camera hole position of the mobile phone shell, and the bottom surface of the pressure head is provided with a jack matched with the limiting column.
According to some embodiments of the invention, when the mold is closed, the first and second contoured surfaces are in equal arc connection, and the peripheral side wall of the ram is arc-shaped.
According to some embodiments of the invention, the plate forming die is a hot press forming die, further comprising a heating device.
According to some embodiments of the invention, the sheet forming mold is an injection mold, and the lower mold is provided with a glue injection port communicated to the forming cavity.
According to a second aspect of the invention, the sheet forming method comprises the following steps:
s1: placing a sheet material over the first die cavity;
s2: the upper die moves downwards to be close to the lower die, the pressure head moves towards the first die cavity, and the plate is pressed in the first die cavity, so that the periphery of the plate is tilted upwards;
s3: the pressing head is fixed, the upper die moves downwards, and the raised periphery of the plate is abutted against the guide surface;
s4: the periphery of the plate is bent and rolled towards the second profiling surrounding surface along the guide surface and is inserted into the second profiling surrounding surface along with the continuous downward movement of the upper die;
s5: and (4) completing die assembly of the upper die and the lower die, and carrying out a forming processing procedure on the plate in the forming cavity.
The plate forming method provided by the embodiment of the invention at least has the following beneficial effects: the labor cost is saved, and the time of the 500-shaped plate forming process is greatly optimized.
According to some embodiments of the present invention, when the plate forming mold is a hot press forming mold, the step S5 is to perform a hot press forming process on the plate in the forming cavity.
According to some embodiments of the present invention, when the plate forming mold is an injection mold, in step S5, glue is injected into the forming cavity through the glue injection port of the lower mold to form the plate.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is an exploded view of the present invention;
FIG. 2 is a schematic view of the lower die structure of the present invention;
FIG. 3 is a schematic view of another perspective of the upper mold of the present invention;
FIG. 4 is a front cross-sectional view of the lower die of the present invention;
FIG. 5 is a front cross-sectional view of the upper die of the present invention;
FIG. 6 is a schematic view of the upper die of the present invention in use;
FIG. 7 is a schematic view of the present invention in a clamped condition;
FIG. 8 is a schematic view of the present invention in a state where a plate is placed;
FIG. 9 is a schematic illustration of the clamping process of the present invention;
fig. 10 is a schematic view of the structure of the mobile phone case of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
Referring to fig. 1 to 9, a sheet material forming die includes: the lower die 100 is provided with a first die cavity 110, the periphery of the first die cavity 110 is raised upwards, a first profiling surrounding surface 120 is formed on the inner wall of the periphery, and a clamping groove 130 is arranged around the outer part of the first die cavity 110; an upper mold 200 comprising a ram 210 and a second mold cavity 220, wherein the ram 210 is located in the second mold cavity 220 and can move towards the first mold cavity 110 independently; a second profiling surrounding surface 230 is formed between the outer wall of the pressure head 210 and the second mold cavity 220, an arc-shaped guide surface 240 is formed by extending downwards along the second profiling surrounding surface 230, and a tangent line at the connection position of the guide surface 240 and the second profiling surrounding surface 230 faces the pressure head 210; after the die assembly is performed, the guide surface 240 is tightly attached to the inside of the clamping groove 130, and a sealed molding cavity 300 is formed among the first die cavity 110, the second profiling surrounding surface 230 and the outer wall of the ram 210.
In this embodiment, the product is exemplified by a mobile phone case 600, as shown in fig. 10, the mobile phone case 600 includes a bottom plate 610 and an integrated side frame 620, and is formed by processing a resilient plate 500; as shown in fig. 8, the plate material 500 is placed above the first die cavity 110, the size of the plate material 500 is larger than the horizontal dimension of the first die cavity 110, the upper die 200 moves downward to approach the lower die 100, and the ram 210 moves toward the first die cavity 110 relative to the upper die 200 until the ram 210 abuts on the surface of the plate material 500; as shown in fig. 9, the pressing head 210 moves downward continuously to press the plate 500 into the first cavity 110, and at this time, the bottom surface of the plate 500 abuts against the large plane of the first cavity 110, and the periphery of the plate 500 is tilted upward by the outer wall of the first cavity 110; the pressing head 210 is not moved, the upper die 200 continues to move downwards, and the tilting periphery of the plate 500 abuts against the guide surface 240; as the upper die 200 continues to move downwards, the periphery of the plate 500 will be bent along the guide surface 240, and then the periphery of the plate 500 will be automatically embedded into the second profiling surrounding surface 230; after the upper die 200 and the lower die 100 are closed, the guide surface 240 is tightly attached to the clamping groove 130, a sealed molding cavity 300 is formed among the first die cavity 110, the second profiling surrounding surface 230 and the outer wall of the pressure head 210, and the sheet material 500 waits for the subsequent molding processing in the molding cavity 300; the cooperation of the first and second contoured surfaces 120 and 230 is the side frame 620 of the cellular phone case 600 after the plate 500 is formed. According to the invention, the guide surface 240 is utilized to realize that the plate 500 is automatically clamped and embedded into the second profiling surrounding surface 230, so that manual operation is saved, the working procedure time is optimized, the production efficiency is greatly improved, the problem of die pressing at the periphery of the plate 500 during die assembly is avoided, the product quality is ensured, and the die is prevented from being damaged; in addition, the cooperation of the first profiling surrounding surface 120 and the second profiling surrounding surface 230 can ensure that the parting line can not appear on the side frame 620 of the mobile phone shell 600 after the product is formed, thereby solving the problem of the parting line which often appears after the formation of the side frame 620 in the industry and greatly improving the quality of the product.
In some embodiments of the present invention, the first mold cavity 110 at a position corresponding to the camera hole position 630 of the mobile phone case 600 is provided with a limiting post 710, and the bottom surface of the pressing head 210 is provided with an insertion hole 720 matched with the limiting post 710; the back of the existing mobile phone shell 600 is generally provided with a camera hole site 630, the corresponding camera hole site 630 is preset on the plate 500, the lower die 100 corresponding to the camera hole site 630 is provided with a limiting column 710, the limiting column 710 fixes the plate 500 in the die assembly process, and the plate 500 is prevented from being deviated.
Specifically, during die assembly, the first profiling surrounding surface 120 and the second profiling surrounding surface 230 are connected at equal radian, and the peripheral side wall of the pressure head 210 is arc-shaped, so that a parting line cannot appear after the side frame 620 of the mobile phone shell 600 is formed.
In some embodiments of the present invention, the plate forming mold is a hot press forming mold, and further includes a heating device (not shown), and the plate 500 is formed into the mobile phone case 600 in the forming cavity 300 by using a hot press.
In some embodiments of the present invention, the plate forming mold is an injection mold, the lower mold 100 is provided with a glue injection port 250 communicated to the forming cavity 300, and the plate 500 is injected into the forming cavity 300 to form the product of the mobile phone case 600.
A plate forming method using the plate forming die comprises the following steps;
s1: placing sheet 500 over first mold cavity 110;
s2: the upper die 200 moves downwards to be close to the lower die 100, the pressure head 210 moves towards the first die cavity 110, and the plate 500 is pressed into the first die cavity 110, so that the periphery of the plate 500 is tilted upwards; this step may be performed while the upper die 200 is moved down close to the lower die 100 while the ram 210 is moved toward the first die cavity 110; or the upper mold 200 stops after the upper mold 200 moves down to approach the lower mold 100 for a certain distance, and then the ram 210 moves towards the first mold cavity 110 independently;
s3: the pressing head 210 is fixed, the upper die 200 moves downwards, and the tilting periphery of the plate 500 abuts against the guide surface 240;
s4: as the upper die 200 moves downwards, the periphery of the plate 500 is bent towards the second profiling surrounding surface 230 along the guide surface 240 and is inserted into the second profiling surrounding surface 230;
s5: the upper die 200 and the lower die 100 are matched, and the plate 500 is molded in the molding cavity 300; by using the method, the labor cost is saved, and the time of the forming process of the plate 500 is greatly optimized.
In some embodiments of the present invention, when the plate forming mold is a hot press forming mold, the plate 500 is subjected to a hot press forming process in the forming cavity 300 in step S5, and the plate 500 is formed into the product of the mobile phone case 600 through the hot press forming process.
In some embodiments of the present invention, when the plate forming mold is an injection mold, in step S5, glue is injected into the forming cavity 300 through the glue injection port 250 of the lower mold 100 in the forming cavity 300 to form the plate 500, and the plate 500 is injection molded into the mobile phone case 600.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (8)
1. A sheet material forming die, comprising:
the lower die (100) is provided with a first die cavity (110), the periphery of the first die cavity (110) protrudes upwards, a first profiling surrounding surface (120) is formed on the inner wall of the periphery, and a clamping groove (130) is arranged around the outer part of the first die cavity (110);
an upper die (200) comprising a ram (210) and a second die cavity (220), the ram (210) being located within the second die cavity (220) and being independently movable in a direction towards the first die cavity (110); a second profiling surrounding surface (230) is formed between the outer wall of the pressure head (210) and the second die cavity (220), an arc-shaped guide surface (240) is formed by extending downwards along the second profiling surrounding surface (230), and a tangent line at the joint of the guide surface (240) and the second profiling surrounding surface (230) faces towards the pressure head (210);
after the die is assembled, the guide surface (240) is tightly attached to the clamping groove (130), and a sealed molding cavity (300) is formed among the first die cavity (110), the second profiling surrounding surface (230) and the outer wall of the pressure head (210).
2. The sheet forming die of claim 1, wherein: the camera hole site (630) of cell-phone shell (600) corresponds position department first die cavity (110) is equipped with spacing post (710), pressure head (210) bottom surface be equipped with spacing post (710) complex jack (720).
3. The sheet forming die of claim 1, wherein: when the die is assembled, the first profiling surrounding surface (120) and the second profiling surrounding surface (230) are connected in an equal radian mode, and the peripheral side wall of the pressure head (210) is arc-shaped.
4. The sheet forming die of claim 1, wherein: the plate forming die is a hot-press forming die and further comprises a heating device.
5. The sheet forming die of claim 1, wherein: the plate forming die is an injection die, and the lower die (100) is provided with a glue injection port (250) communicated to the forming cavity (300).
6. A sheet forming method using the sheet forming die of claim 1, comprising the steps of:
s1: placing a sheet (500) over a first mold cavity (110);
s2: the upper die (200) moves downwards to be close to the lower die (100), the pressure head (210) moves towards the first die cavity (110), and the plate (500) is pressed in the first die cavity (110) so that the periphery of the plate (500) is tilted upwards;
s3: the pressing head (210) is fixed, the upper die (200) moves downwards, and the raised periphery of the plate (500) abuts against the guide surface (240);
s4: the periphery of the plate (500) is bent towards the second profiling surrounding surface (230) along the guide surface (240) and is inserted into the second profiling surrounding surface (230) along with the continuous downward movement of the upper die (200);
s5: the upper die (200) and the lower die (100) are closed, and the plate (500) is molded in the molding cavity (300).
7. The sheet forming method as claimed in claim 6, wherein: when the plate material forming mold is a hot press forming mold, the plate material (500) is subjected to a hot press forming process in the forming cavity (300) in step S5.
8. The sheet forming method as claimed in claim 6, wherein: when the plate forming mold is an injection mold, in step S5, the plate (500) is injected into the forming cavity (300) through the injection port (250) of the lower mold (100) to form the plate (500).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911170530.XA CN110900906A (en) | 2019-11-26 | 2019-11-26 | Plate forming die and plate forming method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911170530.XA CN110900906A (en) | 2019-11-26 | 2019-11-26 | Plate forming die and plate forming method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110900906A true CN110900906A (en) | 2020-03-24 |
Family
ID=69819459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911170530.XA Pending CN110900906A (en) | 2019-11-26 | 2019-11-26 | Plate forming die and plate forming method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110900906A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117681393A (en) * | 2024-02-02 | 2024-03-12 | 烟台市欧林科技有限公司 | Injection molding die for main machine of water heating blanket |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1053762A (en) * | 1989-12-18 | 1991-08-14 | 索莱克公司 | The forming metal slab, especially make the method and apparatus of cathode-ray tube shiels and the cathode-ray tube shiels that makes in this way |
| CN103702779A (en) * | 2012-05-18 | 2014-04-02 | 崔学君 | New method for producing surrounding connection of heat-insulating protecting component |
| CN205969762U (en) * | 2016-08-24 | 2017-02-22 | 佛山市基米科技有限公司 | Be applied to modular mold of hot formed cell -phone cover |
| CN205969761U (en) * | 2016-08-24 | 2017-02-22 | 佛山市基米科技有限公司 | Be applied to assembling die of sheet cell -phone cover that takes shape |
| CN205969760U (en) * | 2016-08-24 | 2017-02-22 | 佛山市基米科技有限公司 | Be applied to mould of slim cell -phone cover |
| CN106476207A (en) * | 2016-08-24 | 2017-03-08 | 佛山市基米科技有限公司 | A kind of soft or hard combines cell-phone cover and its processing method |
| CN108568923A (en) * | 2017-03-13 | 2018-09-25 | 东洋橡胶工业株式会社 | The manufacturing method of the tire of tyre vulcanized mould and the use tyre vulcanized mould |
| CN211683070U (en) * | 2019-11-26 | 2020-10-16 | 佛山市基米智能科技有限公司 | Plate forming die |
-
2019
- 2019-11-26 CN CN201911170530.XA patent/CN110900906A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1053762A (en) * | 1989-12-18 | 1991-08-14 | 索莱克公司 | The forming metal slab, especially make the method and apparatus of cathode-ray tube shiels and the cathode-ray tube shiels that makes in this way |
| CN103702779A (en) * | 2012-05-18 | 2014-04-02 | 崔学君 | New method for producing surrounding connection of heat-insulating protecting component |
| CN205969762U (en) * | 2016-08-24 | 2017-02-22 | 佛山市基米科技有限公司 | Be applied to modular mold of hot formed cell -phone cover |
| CN205969761U (en) * | 2016-08-24 | 2017-02-22 | 佛山市基米科技有限公司 | Be applied to assembling die of sheet cell -phone cover that takes shape |
| CN205969760U (en) * | 2016-08-24 | 2017-02-22 | 佛山市基米科技有限公司 | Be applied to mould of slim cell -phone cover |
| CN106476207A (en) * | 2016-08-24 | 2017-03-08 | 佛山市基米科技有限公司 | A kind of soft or hard combines cell-phone cover and its processing method |
| CN108568923A (en) * | 2017-03-13 | 2018-09-25 | 东洋橡胶工业株式会社 | The manufacturing method of the tire of tyre vulcanized mould and the use tyre vulcanized mould |
| CN211683070U (en) * | 2019-11-26 | 2020-10-16 | 佛山市基米智能科技有限公司 | Plate forming die |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117681393A (en) * | 2024-02-02 | 2024-03-12 | 烟台市欧林科技有限公司 | Injection molding die for main machine of water heating blanket |
| CN117681393B (en) * | 2024-02-02 | 2024-04-16 | 烟台市欧林科技有限公司 | Injection molding die for main machine of water heating blanket |
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