CN111037854A - Terminal injection mold - Google Patents
Terminal injection mold Download PDFInfo
- Publication number
- CN111037854A CN111037854A CN201911388756.7A CN201911388756A CN111037854A CN 111037854 A CN111037854 A CN 111037854A CN 201911388756 A CN201911388756 A CN 201911388756A CN 111037854 A CN111037854 A CN 111037854A
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- China
- Prior art keywords
- mold
- hole
- mold core
- guide
- terminal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000002347 injection Methods 0.000 title claims abstract description 22
- 239000007924 injection Substances 0.000 title claims abstract description 22
- 230000007704 transition Effects 0.000 claims description 17
- 230000000149 penetrating effect Effects 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 238000000034 method Methods 0.000 claims 1
- 238000001746 injection moulding Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 9
- 229910052802 copper Inorganic materials 0.000 description 9
- 239000010949 copper Substances 0.000 description 9
- 230000007547 defect Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000010137 moulding (plastic) Methods 0.000 description 1
- 230000035939 shock Effects 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
- B29C45/2602—Mould construction elements
-
- 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
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14065—Positioning or centering articles in the mould
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
According to the terminal injection mold provided by the invention, the mold core is divided into the upper mold core and the lower mold core, so that the embedded terminal injection mold with a complex structure design can be adapted, the upper limit pin is arranged between the left mold sheet and the right mold sheet of the upper mold core, the lower limit pin is arranged between the left clamping sheet and the right clamping sheet of the lower mold core, so that the terminal can be accurately positioned, the depth of the terminal inserted into the upper mold core and the lower mold core is accurately controlled, the upper mold core is divided into a divided design with the left mold sheet and the right mold sheet, the lower mold core is divided into a divided design with the left clamping sheet and the right clamping sheet, the technical effect of convenient disassembly and assembly is realized, and the convenience for disassembling a terminal product after injection molding is further enhanced.
Description
Technical Field
The invention relates to the field of terminal manufacturing, in particular to a terminal injection mold.
Background
The terminal is a part used for transmitting electric signals or conducting electricity, and is widely applied to connection of various electronic circuits due to convenient connection performance, for example, a large number of terminals are used on automobile electronic products, along with the development of the automobile electronic products, a terminal product formed by embedding a copper terminal into plastic and injection molding gradually becomes mainstream, the design and molding of complex products can be realized by utilizing the excellent conducting property and the insulation of the plastic of the copper terminal, and the usage amount of an embedded terminal injection molding part on the automobile electronic products is larger. Meanwhile, the functional requirements of the automotive electronic product on the embedded terminal injection molding piece are also very strict, such as air tightness, electrical breakdown resistance, cold and hot shock and the like, and the traditional mold is difficult to adapt to injection molding of the embedded terminal with a complex structural design due to the defects of low positioning precision, inconvenient disassembly and assembly and the like, so that a terminal injection mold which is high in positioning precision, convenient to disassemble and assemble and can adapt to injection molding of the embedded terminal with the complex structural design is urgently needed.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides the terminal injection mold which has high positioning precision and convenient assembly and disassembly and can adapt to the injection molding of the embedded terminal with a complicated structural design.
In order to achieve the above object, the present invention adopts a technical scheme that a terminal injection mold comprises:
the upper die is provided with a first through hole;
the upper die core is movably inserted into the first through hole;
the lower die is provided with a second through hole;
the lower die core is movably inserted into the second through hole;
the upper mold core comprises: the upper limiting pin is used for limiting the length of the upper part of the metal terminal extending into the upper die core;
the lower mold core includes: the mold core comprises a mold core sleeve, a left clamping piece, a right clamping piece and a lower limiting pin, wherein a third through hole penetrating through the mold core sleeve along the vertical direction is formed in the mold core sleeve, a fifth groove extending along the vertical direction is formed in the right side face of the left clamping piece, a sixth groove extending along the vertical direction and a seventh groove extending along the horizontal direction and used for placing the lower limiting pin are formed in the left side face of the right clamping piece, the left clamping piece and the right clamping piece are folded and then inserted into the third through hole, a space used for placing the lower portion of the metal terminal is formed between the sixth groove and the seventh groove, and the lower limiting pin is used for limiting the length of the lower portion of the metal terminal extending into the lower mold core;
the bottom surface of right die piece is provided with downwardly extending's guide post, the upper surface of lower mould still be provided with guide post assorted guiding hole.
Preferably, the upper mold core further comprises a screw for locking the left mold piece and the right mold piece.
Further preferably, a spring is sleeved on the screw and located between the right side face of the left die piece and the left side face of the right die piece.
Further preferably, a spring groove for placing the spring is further arranged on the left side surface of the right die sheet.
Preferably, an upper portion of an outer surface of the upper mold core is inclined inward to form a guide slope for guiding and positioning when the upper mold core is inserted into the first through hole.
Preferably, the number of the guide posts is at least two, the diameters and/or the cross-sectional shapes of the guide posts are different, and the guide holes are arranged in one-to-one correspondence with the guide posts.
Preferably, the lower end of the guide post is provided with an outer circular arc chamfer which is convenient for the guide post to be inserted into the guide hole.
Further preferably, the outer surface of the guide post is connected with the outer arc chamfer through an outer transition surface, and the outer transition surface extends obliquely downwards and inwards.
Preferably, the hole edge of the guide hole is provided with an inner arc chamfer which is convenient for the guide column to be inserted into the guide hole.
Further preferably, the inner wall of the guide hole is connected with the inner arc chamfer through an inner transition surface, and the inner transition surface extends upwards and outwards in an inclined mode.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
according to the terminal injection mold provided by the invention, the mold core is divided into the upper mold core and the lower mold core, so that the embedded terminal injection mold with a complex structure design can be adapted, the upper limit pin is arranged between the left mold sheet and the right mold sheet of the upper mold core, the lower limit pin is arranged between the left clamping sheet and the right clamping sheet of the lower mold core, so that the terminal can be accurately positioned, the depth of the terminal inserted into the upper mold core and the lower mold core is accurately controlled, the upper mold core is divided into a divided design with the left mold sheet and the right mold sheet, the lower mold core is divided into a divided design with the left clamping sheet and the right clamping sheet, the technical effect of convenient disassembly and assembly is realized, and the convenience for disassembling a terminal product after injection molding is further enhanced.
Drawings
FIG. 1 is an assembly view of the present invention.
Fig. 2 is a perspective view of the upper mold core of the present invention.
FIG. 3 is a bottom view of the upper mold core of the present invention.
Fig. 4 is a schematic sectional view in the direction of a-a in fig. 3.
FIG. 5 is a right side perspective view of the right mold piece of the present invention.
FIG. 6 is a left side perspective view of the right mold piece of the present invention.
Fig. 7 is a right perspective view of the left mold piece of the present invention.
Fig. 8 is a schematic bottom view of the present invention.
Fig. 9 is a schematic cross-sectional view taken along the direction B-B in fig. 8.
FIG. 10 is a schematic bottom view of the lower core and the lower die of the present invention in combination.
Fig. 11 is a schematic cross-sectional view taken along the direction C-C in fig. 10.
Fig. 12 is a partial enlarged view at D in fig. 11.
Wherein: 10. an upper die; 101. a first through hole; 20. an upper mold core; 201. a left mold sheet; 2011. a right side surface; 2012. a first groove; 2013. a second groove; 202. a right mold sheet; 2021. a left side surface; 2022. a third groove; 2023. a fourth groove; 2024. a spring slot; 203. an upper limit pin; 204. a screw; 205. a spring; 206. a first guide post; 2061. a first outer arc chamfer; 2062. a first outer transition surface; 2063. an outer surface; 207. a second guide post; 2071. a second outer arc chamfer; 2072. a second outer transition surface; 2073. an outer surface; 208. a guide slope; 30. a lower die; 301. a second through hole; 302. a first guide hole; 3021. a first inner arc chamfer; 3022. a first inner transition surface; 3023. an inner wall; 303. a second guide hole; 3031. a second inner arc chamfer; 40. a lower mold core; 401. a die core sleeve; 4011. a third through hole; 402. a left clamping piece; 4021. a right side surface; 4022. a fifth groove; 403. a right clamping piece; 4032. a sixth groove; 4033. a seventh groove; 404. a lower limit pin; 50. and a copper terminal.
Detailed Description
The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the invention easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the invention.
The left and right directions described in the present invention are the left and right directions in fig. 1, and the up and down directions described in the present invention refer to the up and down directions in fig. 1.
As shown in fig. 1 to 12, the present invention provides a terminal injection mold, comprising: the mold comprises an upper mold 10, an upper mold core 20, a lower mold 30 and a lower mold core 40, wherein the upper mold 10 is provided with a first through hole 101, the upper mold core 20 can be inserted into the first through hole 101 in a vertically movable mode, the lower mold 30 is provided with a second through hole 301, the lower mold core 40 can be inserted into the second through hole 301 in a vertically movable mode, when the upper mold 10 and the lower mold 40 are closed, the lower surface of the upper mold 10 is attached to the upper surface of the lower mold 40, the upper mold core 20 is fixed in the first through hole 101, and the lower mold core 40 is inserted into the second through hole 301.
As shown in fig. 1 to 7, the upper core 20 includes: the mold comprises a left mold piece 201, a right mold piece 202 and an upper limit pin 203, wherein a first groove 2012 extending along the vertical direction and penetrating through the upper surface and the lower surface of the left mold piece 201, a second groove 2013 extending along the horizontal direction and penetrating through the left side and the right side of the left mold piece 201 are arranged on the right side 2011 of the left mold piece 201, a third groove 2022 extending along the vertical direction and penetrating through the upper surface and the lower surface of the right mold piece 202 and a fourth groove 2023 extending along the horizontal direction are arranged on the left side 2021 of the right mold piece 202, when the left mold piece 201 and the right mold piece 202 are closed, the left die 201 is embedded into the right die 202, a space for placing the upper part of the copper terminal 50 is formed between the first groove 2012 and the third groove 2022, a space for placing the upper limit pin 203 is formed between the second groove 2013 and the fourth groove 2023, the lower surface of the upper limit pin 203 abuts against the upper end surface of the copper terminal 50, and the upper limit pin 203 is used for limiting the length of the upper part of the copper terminal extending into the upper mold core 20.
As shown in fig. 1, the lower mold core 40 includes: the mold core comprises a mold core sleeve 401, a left clamping piece 402, a right clamping piece 403 and a lower limit pin 404, wherein a third through hole 4011 penetrating through the mold core sleeve 401 along the vertical direction is formed in the mold core sleeve 401, a fifth groove 4022 extending along the vertical direction and penetrating through the upper surface and the lower surface of the left clamping piece 402 is formed in the right side surface 4021 of the left clamping piece 402, a sixth groove 4032 extending along the vertical direction and penetrating through the upper surface and the lower surface of the right clamping piece 403, and a seventh groove 4033 extending along the horizontal direction and penetrating through the left side surface and the right side surface of the right clamping piece 403 and used for placing the lower limit pin 404, the left clamping piece 402 and the right clamping piece 403 are inserted into the third through hole 4011 after being folded, a space for placing the lower part of the copper terminal 50 is formed between the sixth groove 4032 and the seventh groove 4033, the upper surface of the lower limit pin 404 abuts against the lower end surface of the copper terminal 50, and the lower limit pin 404 is used for.
As shown in fig. 3-7, the upper die core 20 further includes a screw 204 for locking the left die 201 and the right die 202, a screw rod of the screw 204 passes through a countersunk hole on the right die 202 and is screwed into an internal threaded hole on the left die 201, a screw head of the screw 204 sinks into the countersunk hole to lock the left die 201 and the right die 202, a spring 205 is further sleeved on the screw rod of the screw 204, the spring 205 is located between a right lateral surface 2011 of the left die 201 and a left lateral surface 2021 of the right die 202, the spring 205 is in a compressed state when the screw 204 is screwed, the spring 205 has a tendency to separate the left die 201 and the right die 202, and a spring groove 2024 for placing the spring 205 is further provided on the left lateral surface 2021 of the right die 202, so that when the screw 204 is loosened, the spring 205 can separate the left die 201 and the right die 202 in a horizontal direction.
As shown in fig. 1, the bottom surface of the right mold piece 202 is provided with a first guide post 206 and a second guide post 207 extending downward, the cross sections of the first guide post 206 and the second guide post 207 are both circular, the diameter of the first guide post 206 is half of the diameter of the second guide post 207, the upper surface of the lower mold 30 is further provided with guide holes corresponding to the guide posts one to one, the one to one correspondence is that the upper surface of the lower mold 30 is provided with a first guide hole 302 matched with the first guide post 206 and a second guide hole 303 matched with the second guide post 207, and the second guide post 207 can only be inserted into the second guide hole 303, so that the lower mold core 40 can be prevented from being reversely inserted on the lower mold 30, and a fool-proof function can be realized.
In this embodiment, the specific structure and the matching structure with the guide hole of the first guide post 206 and the second guide post 207 are the same except that the diameters of the first guide post 206 and the second guide post 207 are different, and the first guide post 206 and the first guide hole 302 are taken as an example for description.
As shown in fig. 1 to 12, the lower end of the first guide post 206 is provided with a first outer arc chamfer 2061 protruding outward to facilitate the insertion of the first guide post 206 into the first guide hole 302, the outer surface 2063 of the first guide post 206 is connected to the first outer arc chamfer 2061 through a first outer transition surface 2062, the first outer transition surface 2062 extends obliquely downward and inward, the hole edge of the first guide hole 302 is provided with a first inner arc chamfer 3021 protruding inward to facilitate the insertion of the first guide post 206 into the first guide hole 302, the inner wall 3023 of the first guide hole 302 is connected to the first inner arc chamfer 3021 through a first inner transition surface 3022, the first inner transition surface 3022 extends obliquely upward, the first outer transition surface 2062 is attached to the first inner transition surface 3022 when the first guide post 206 is inserted into the first guide hole 302, thereby achieving the guiding effect and the precise positioning effect when the upper mold core 20 is inserted into the lower mold 40, because the upper part of the outer surface of the upper mold core 20 is provided with the guide inclined plane 208 inclined towards the inside of the upper mold core 20, when the upper mold core 20 is inserted into the first through hole 101, the upper mold core 20 can be guided by the guide inclined plane 208 and accurately positioned, and the lower mold core 40 is inserted into the second through hole 301, so that the accurate positioning of the upper mold 10, the upper mold core 20, the lower mold 30 and the lower mold core 40 is realized, and the copper terminal 50 can be accurately positioned in the terminal injection mold.
The above embodiments are merely illustrative of the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the content of the present invention and implement the invention, and not to limit the scope of the invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the scope of the present invention.
Claims (10)
1. A terminal injection mold comprising:
the upper die is provided with a first through hole;
the upper die core is movably inserted into the first through hole;
the lower die is provided with a second through hole;
the lower die core is movably inserted into the second through hole;
the method is characterized in that:
the upper mold core comprises: the upper limiting pin is used for limiting the length of the upper part of the metal terminal extending into the upper die core;
the lower mold core includes: the mold core comprises a mold core sleeve, a left clamping piece, a right clamping piece and a lower limiting pin, wherein a third through hole penetrating through the mold core sleeve along the vertical direction is formed in the mold core sleeve, a fifth groove extending along the vertical direction is formed in the right side face of the left clamping piece, a sixth groove extending along the vertical direction and a seventh groove extending along the horizontal direction and used for placing the lower limiting pin are formed in the left side face of the right clamping piece, the left clamping piece and the right clamping piece are folded and then inserted into the third through hole, a space used for placing the lower portion of the metal terminal is formed between the sixth groove and the seventh groove, and the lower limiting pin is used for limiting the length of the lower portion of the metal terminal extending into the lower mold core;
the bottom surface of right die piece is provided with downwardly extending's guide post, the upper surface of lower mould still be provided with guide post assorted guiding hole.
2. The terminal injection mold of claim 1, wherein: the upper mold core further comprises a screw for locking the left mold piece and the right mold piece.
3. The terminal injection mold of claim 2, wherein: the screw is sleeved with a spring, and the spring is located between the right side face of the left die piece and the left side face of the right die piece.
4. The terminal injection mold of claim 3, wherein: and a spring groove for placing the spring is also formed in the left side surface of the right die piece.
5. The terminal injection mold of claim 1, wherein: the upper portion of the outer surface of the upper mold core is inclined inwards to form a guide inclined plane, and the guide inclined plane is used for guiding and positioning when the upper mold core is inserted into the first through hole.
6. The terminal injection mold of claim 1, wherein: the guide post has two at least, the diameter and/or the cross section shape of guide post are diverse, the guiding hole with the setting of guide post one-to-one correspondence.
7. The terminal injection mold of claim 1, wherein: the lower end of the guide post is provided with an outer arc chamfer which is convenient for the guide post to be inserted into the guide hole.
8. The terminal injection mold of claim 7, wherein: the outer surface of the guide column is connected with the outer arc chamfer through an outer transition surface, and the outer transition surface extends downwards and inwards in an inclined mode.
9. The terminal injection mold of claim 1, wherein: and an inner arc chamfer convenient for the guide column to be inserted into the guide hole is arranged at the hole edge of the guide hole.
10. The terminal injection mold of claim 9, wherein: the inner wall of the guide hole is connected with the inner arc chamfer through an inner transition surface, and the inner transition surface extends upwards and outwards in an inclined mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911388756.7A CN111037854A (en) | 2019-12-30 | 2019-12-30 | Terminal injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911388756.7A CN111037854A (en) | 2019-12-30 | 2019-12-30 | Terminal injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111037854A true CN111037854A (en) | 2020-04-21 |
Family
ID=70241299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911388756.7A Pending CN111037854A (en) | 2019-12-30 | 2019-12-30 | Terminal injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111037854A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112571343A (en) * | 2020-12-22 | 2021-03-30 | 张家港孚冈汽车部件有限公司 | PCB fisheye needle crimping tool |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3111254A1 (en) * | 1981-03-21 | 1982-10-07 | Maschinenfabrik Köppern GmbH & Co KG, 4320 Hattingen | Injection mould for mouldings in the form of crates, having mould jaws guided on inclined guide pillars |
| US20100297864A1 (en) * | 2009-05-21 | 2010-11-25 | Sumitomo Wiring Systems, Ltd. | device connector producing method, a device connector and a molding structure therefor |
| US20120195991A1 (en) * | 2011-01-31 | 2012-08-02 | Cheng Uei Precision Industry Co., Ltd. | Injection mold |
| US20120213877A1 (en) * | 2011-02-23 | 2012-08-23 | Cheng Uei Precision Industry Co., Ltd. | Injection mold |
| CN207874731U (en) * | 2018-02-05 | 2018-09-18 | 滁州市鑫鼎机械模具制造有限公司 | A kind of refrigerator injection mold with quadric injection mould function |
| CN208305642U (en) * | 2018-04-19 | 2019-01-01 | 深圳市汉马科技有限公司 | A kind of injection mold of electronic product protecting shell |
| CN208714362U (en) * | 2018-07-17 | 2019-04-09 | 东莞市达辉精密塑胶科技有限公司 | A kind of novel three pin plug injection mold |
| CN211591123U (en) * | 2019-12-30 | 2020-09-29 | 苏州品翔电通有限公司 | Terminal injection mold |
-
2019
- 2019-12-30 CN CN201911388756.7A patent/CN111037854A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3111254A1 (en) * | 1981-03-21 | 1982-10-07 | Maschinenfabrik Köppern GmbH & Co KG, 4320 Hattingen | Injection mould for mouldings in the form of crates, having mould jaws guided on inclined guide pillars |
| US20100297864A1 (en) * | 2009-05-21 | 2010-11-25 | Sumitomo Wiring Systems, Ltd. | device connector producing method, a device connector and a molding structure therefor |
| US20120195991A1 (en) * | 2011-01-31 | 2012-08-02 | Cheng Uei Precision Industry Co., Ltd. | Injection mold |
| US20120213877A1 (en) * | 2011-02-23 | 2012-08-23 | Cheng Uei Precision Industry Co., Ltd. | Injection mold |
| CN207874731U (en) * | 2018-02-05 | 2018-09-18 | 滁州市鑫鼎机械模具制造有限公司 | A kind of refrigerator injection mold with quadric injection mould function |
| CN208305642U (en) * | 2018-04-19 | 2019-01-01 | 深圳市汉马科技有限公司 | A kind of injection mold of electronic product protecting shell |
| CN208714362U (en) * | 2018-07-17 | 2019-04-09 | 东莞市达辉精密塑胶科技有限公司 | A kind of novel three pin plug injection mold |
| CN211591123U (en) * | 2019-12-30 | 2020-09-29 | 苏州品翔电通有限公司 | Terminal injection mold |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112571343A (en) * | 2020-12-22 | 2021-03-30 | 张家港孚冈汽车部件有限公司 | PCB fisheye needle crimping tool |
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