CN107791442A - A kind of binding post injection mold - Google Patents
A kind of binding post injection mold Download PDFInfo
- Publication number
- CN107791442A CN107791442A CN201710844507.9A CN201710844507A CN107791442A CN 107791442 A CN107791442 A CN 107791442A CN 201710844507 A CN201710844507 A CN 201710844507A CN 107791442 A CN107791442 A CN 107791442A
- Authority
- CN
- China
- Prior art keywords
- core
- conducting
- fixed block
- core rod
- positioning hole
- 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
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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
- B29C45/14—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
- B29C45/14008—Inserting articles into the mould
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of binding post injection mold, belong to technical field of mold, it includes：Core-pulling device, mavable module core, fixed mold core, core rod；Described core-pulling device is arranged on one end of mavable module core, fixed mold core；Described core-pulling device is Slanted ejecting device, including the tilted footstock being arranged on fixed mold core and the guide rod being arranged on mavable module core；Described tilted footstock cooperates with guide rod；Described core rod includes the first core rod；The first described core rod includes mandrel tip, core rod fixed block；Described core rod fixed block is fixed on tilted footstock；Described mandrel tip and the end of core rod fixed block are hinged；Described mandrel tip is provided with conducting core fixing hole.The design that the present invention is hinged using mandrel tip with core rod fixed block, makes conducting core easier for installation, is conducive to provide processing efficiency.
Description
Technical field
The invention belongs to technical field of mold, and in particular to a kind of binding post injection mold.
Background technology
Gradually increase with the parts of electrical type on automobile, increasing electronic component needs injection molding, electronics
The binding post of element is the most widely used component, and binding post is roughly divided into two classes：A kind of binding post is plastics
Shell and inner conductive iron core separate machined, plastic casing is installed to after wire and conducting core welding, then by conducting core
Inside, the manufacture of this binding post is relatively simple, but is easily come off between plastic casing and conducting core, there is certain safety
Hidden danger；Another binding post is directly by conducting core and plastic casing integrated injection molding, the plastic casing of this binding post
Do not allow volume easy to fall off, and that binding post can be reduced between conducting core, but due to binding post size all very
Small, the diameter of in general binding post conducting core is less than 1mm, and the spacing of adjacent two conducting cores is 2-3mm, and this just gives
Injection molding brings problem, needs that manually conducting core is installed on mould during injection, has 30-40 on some binding posts
Individual conducting core, installation are extremely lost time, and the structure of some binding posts is complex, it is difficult to be reserved necessarily on mould
Operating space is used for installing conducting core.
It is in integrally strip to have a kind of binding post, and end is provided with hole, and conducting core is horizontally disposed with；For such injection
Part, mold design can all use divides mould, the design of end core pulling up and down, is just needed conductive iron using this design
Core is first placed on core rod or on punch-pin, because the limitation of binding post and mould is difficult to reserve enough spaces to supply worker
Conducting core is installed on mould manually, the process of conducting core is so installed in injection will take the excessive time,
It is unfavorable for improving processing efficiency.
The content of the invention
In order to provide processing efficiency, make worker that conducting core is installed on mould manually more convenient, there is provided a kind of
Binding post injection mold.
A kind of binding post injection mold, it includes：Core-pulling device, mavable module core, fixed mold core, core rod；Described core pulling dress
Put the one end for being arranged on mavable module core, fixed mold core；Described core-pulling device is Slanted ejecting device, including the oblique top being arranged on fixed mold core
Seat and the guide rod being arranged on mavable module core；Described tilted footstock cooperates with guide rod；It is characterized in that：Described core rod includes
First core rod；The first described core rod includes mandrel tip and core rod fixed block；Described core rod fixed block is fixed on core pulling dress
On the tilted footstock put；Described mandrel tip and the end of core rod fixed block are hinged；Described mandrel tip is provided with conducting core
Fixing hole；
Also it is arranged on including the second core rod on mavable module core；The second described core rod is provided with conducting core positioning hole；It is described
Conducting core fixing hole it is corresponding with conducting core positioning hole；
Described mavable module core, fixed mold core are provided with the detent to match with mandrel tip, core rod fixed block；
The first described core rod also includes drive device；Described tilted footstock is provided with positioning hole；Described positioning hole is in
It is square；The axis direction of described positioning hole is identical with the core-pulling device direction of motion；Described core rod fixed block is arranged on positioning
In hole, and core rod fixed block slides in positioning hole；The end of the other end of described mandrel tip and core rod fixed block is hinged；
Described drive device is fixed on tilted footstock, and drive device is connected with core rod fixed block, drive device band dynamic model
Core fixed block slides along positioning hole；
The first described core rod includes also conducting core installing mechanism；Described core rod fixed block is fixed on tilted footstock,
And it is provided with through hole inside core rod fixed block；Described mandrel tip is fixed on the end of core rod fixed block；Described mandrel tip
Inside be provided with conducting core installing mechanism accommodating chamber；It is solid that described conducting core installing mechanism includes hinged seat, conducting core
Determine head；Described conducting core gland one end is hinged with conducting core gland；Described conducting core gland and positioning
Hole matches；The other end of described conducting core gland is provided with conducting core mounting hole, and profile accommodates with installing mechanism
Chamber matches；
Described through hole is coaxially disposed with conducting core positioning hole, and pore size is equal；
Described conducting core fixing hole is corresponding with conducting core positioning hole；Described conducting core mounting hole and conduction
Iron core fixing hole is corresponding；
The side of described electric core mounting holes is provided with guide groove；The length of described guide groove is installed less than conducting core
The length in hole；
Described drive device is fixed on tilted footstock, and drive device is connected with mould hinged seat, and drive device can drive and lead
Ferroelectric core installing mechanism slides along positioning hole.
The invention provides a kind of binding post injection mold, it includes：Core-pulling device, mavable module core, fixed mold core, core rod；
Described core-pulling device is arranged on one end of mavable module core, fixed mold core；Described core-pulling device is Slanted ejecting device, including is arranged on and determines
Tilted footstock on die and the guide rod being arranged on mavable module core；Described tilted footstock cooperates with guide rod；Described core rod bag
Include the first core rod；The first described core rod includes mandrel tip, core rod fixed block；Described core rod fixed block is fixed on tilted footstock
On；The end of the other end of described mandrel tip and core rod fixed block is hinged；Described mandrel tip is consolidated provided with conducting core
Determine hole.The design that the present invention is hinged using mandrel tip with core rod fixed block, makes conducting core easier for installation, is advantageous to carry
For processing efficiency.
Brief description of the drawings
Fig. 1 is a kind of sectional view of binding post injection mold of the present invention；
Fig. 2 is a kind of die opening state sectional view of binding post injection mold of the present invention；
Fig. 3 is a kind of die opening state sectional view of binding post injection mold of the present invention；
Fig. 4 is partial enlarged drawing at a kind of I of binding post injection mold of the present invention；
Fig. 5 is a kind of another embodiment core-pulling device sectional view of binding post injection mold of the present invention；
Fig. 6 is a kind of mandrel tip A direction views of binding post injection mold of the present invention；
Fig. 7 is a kind of another embodiment core-pulling device sectional view of binding post injection mold of the present invention；
Fig. 8 is a kind of conducting core gland B direction views of binding post injection mold of the present invention.
Embodiment
Embodiment 1：
Fig. 1-4 are referred to, a kind of binding post injection mold, it includes：Core-pulling device 1, mavable module core 2, fixed mold core 3, mould
Core 4；
Described core-pulling device 1 is arranged on mavable module core 2, one end of fixed mold core 3；
Described core-pulling device 1 is Slanted ejecting device, including the tilted footstock 11 being arranged on fixed mold core 3 and is arranged on mavable module core
Guide rod 12 on 2；
Described tilted footstock 11 cooperates with guide rod 12；
Described core rod 4 includes the first core rod 41, the second core rod 42；
The second described core rod 42 is arranged on mavable module core 2；
The first described core rod 41 includes mandrel tip 411, core rod fixed block 412；
Described core rod fixed block 412 is fixed on tilted footstock 11；
Described one end of mandrel tip 411 is the punch-pin shape of terminal insertion hole；
Described mandrel tip 411 is provided with conducting core fixing hole 4110；
Described conducting core fixing hole 4110 is corresponding with conducting core positioning hole 421；
The end of the other end and core rod fixed block 412 of described mandrel tip 411 is hinged；
Described mavable module core 2, that fixed mold core 3 is provided with the positioning to match with mandrel tip 411, core rod fixed block 412 is recessed
Groove 43；
Described conducting core is that sheet plate stamping forms, and overall is in strip or rectangular-shaped.
In use, mould is first in die opening state, mandrel tip 411 is cut with scissors around mandrel tip and core rod fixed block 412
Place's rotation is connect, mandrel tip 411 is departed from fixed mold core 3, conducting core is then inserted into conducting core fixing hole 4110；After being plugged
By the spinning reduction of mandrel tip 411；Matched moulds；After matched moulds, detent 43 on mavable module core 2, fixed mold core 3 is by mandrel tip 411
Positioning, core-pulling device 1 drive mandrel tip 411 to be moved along detent 43, conducting core insertion conducting core positioning hole 421,
Conducting core is fixed and finished, and is molded, and after injection, is removed moulding, is rotated mandrel tip 411 again, is laid conductive
Iron core, it is molded next time.
Embodiment 2：
Fig. 1-6 are referred to, a kind of binding post injection mold, it includes：Core-pulling device 1, mavable module core 2, fixed mold core 3, mould
Core 4；
Described core-pulling device 1 is arranged on mavable module core 2, one end of fixed mold core 3；
Described core-pulling device 1 is Slanted ejecting device, including the tilted footstock 11 being arranged on fixed mold core 3 and is arranged on mavable module core
Guide rod 12 on 2；
Described tilted footstock 11 cooperates with guide rod 12；
Described tilted footstock 11 is provided with positioning hole 13；
Described positioning hole 13 is square；
The axis direction of described positioning hole 13 is identical with the direction of motion of core-pulling device 1；
Described core rod 4 includes the first core rod 41, the second core rod 42；
The second described core rod 42 is arranged on mavable module core 2；
The second described core rod 42 is provided with conducting core positioning hole 421；
The first described core rod 41 includes mandrel tip 411, core rod fixed block 412, drive device 413；
Described core rod fixed block 412 is arranged in positioning hole 13, and core rod fixed block 412 can be slided in positioning hole 13
It is dynamic；
Described one end of mandrel tip 411 is the punch-pin shape of terminal insertion hole；
Described mandrel tip 411 is provided with conducting core fixing hole 4110；
Described conducting core fixing hole 4110 is corresponding with conducting core positioning hole 421；
The end of the other end and core rod fixed block 412 of described mandrel tip 411 is hinged；
Described mavable module core 2, that fixed mold core 3 is provided with the positioning to match with mandrel tip 411, core rod fixed block 412 is recessed
Groove 43；
Described drive device 413 is the devices such as cylinder, linear electric motors；
Described drive device 413 is fixed on tilted footstock 11, and drive device 413 is connected with core rod fixed block 412, driving
Device 413 can slide with moving-mould-core fixed block 412 along positioning hole 13；
Described conducting core is that sheet plate stamping forms, and overall is in strip or rectangular-shaped.
In use, mould is first in die opening state, drive device 413 is slided with moving-mould-core fixed block 412 along positioning hole 13
It is dynamic, after mandrel tip 411 is moved into mobile one end distance, mandrel tip 411 is hinged around mandrel tip and core rod fixed block 412
Place's rotation, makes mandrel tip 411 depart from fixed mold core 3, conducting core then is seated into conducting core fixing hole 4110；Place
Afterwards by the spinning reduction of mandrel tip 411；Matched moulds；During matched moulds.First, drive device 413 with moving-mould-core fixed block 412 along positioning hole
13 reset, and the detent 43 on mavable module core 2, fixed mold core 3 positions mandrel tip 411, and core-pulling device 1 drives mandrel tip
411 are moved along detent 43, and conducting core insertion conducting core positioning hole 421, conducting core is fixed and finished, and is molded,
After injection, moulding is removed, rotates mandrel tip 411 again, conducting core is laid, is molded next time.
Embodiment 3：
Fig. 1-4,7,8 are referred to, a kind of binding post injection mold, it includes：Core-pulling device 1, mavable module core 2, fixed mold core
3rd, core rod 4；
Described core-pulling device 1 is arranged on mavable module core 2, one end of fixed mold core 3；
Described core-pulling device 1 is Slanted ejecting device, including the tilted footstock 11 being arranged on fixed mold core 3 and is arranged on mavable module core
Guide rod 12 on 2；
Described tilted footstock 11 cooperates with guide rod 12；
Described tilted footstock 11 is provided with positioning hole 13；
Described positioning hole 13 is square；
The axis direction of described positioning hole 13 is identical with the direction of motion of core-pulling device 1；
Described core rod 4 includes the first core rod 41, the second core rod 42；
The second described core rod 42 is arranged on mavable module core 2；
The second described core rod 42 is provided with conducting core positioning hole 421；
The first described core rod 41 includes mandrel tip 411, core rod fixed block 412, drive device 413, conducting core peace
Mounting mechanism 414；
Described core rod fixed block 412 is fixed on tilted footstock 11, and the inside of core rod fixed block 412 is provided with through hole 4121；
Described through hole 4121 is coaxially disposed with conducting core positioning hole 421, and pore size is equal；
Described mandrel tip 411 is fixed on the end of core rod fixed block 412；
Described one end of mandrel tip 411 is the punch-pin shape of terminal insertion hole；
Described mandrel tip 411 is provided with conducting core fixing hole 4110；
Described conducting core fixing hole 4110 is corresponding with conducting core positioning hole 421；
The inside of described mandrel tip 411 is provided with conducting core installing mechanism accommodating chamber 4111；
Described conducting core installing mechanism 414 includes hinged seat 4141, conducting core gland 4142；
Described one end of conducting core gland 4142 is be hinged with conducting core gland 4142；
Described conducting core gland 4142 matches with positioning hole 13；
The other end of described conducting core gland 4142 is provided with conducting core mounting hole 4143, and profile and fitting machine
Structure accommodating chamber 4111 matches；
Described conducting core mounting hole 4143 is corresponding with conducting core fixing hole 4110；
The side of described electric core mounting holes 4143 is provided with guide groove 4144；
The length of described guide groove 4144 is less than the length of conducting core mounting hole 4143；
Described drive device 413 is fixed on tilted footstock 11, and drive device 413 is connected with mould hinged seat 4141, driving
Device 413 can drive conducting core installing mechanism 414 to be slided along positioning hole 13.
Described drive device 413 is the devices such as cylinder, linear electric motors；
Described mavable module core 2, that fixed mold core 3 is provided with the positioning to match with mandrel tip 411, core rod fixed block 412 is recessed
Groove 43；
Described conducting core is that sheet plate stamping forms, and overall is in strip or rectangular-shaped.
In use, mould is first in die opening state, drive device 413 drives conducting core installing mechanism 414 along positioning
Hole 13 is slided, and after mandrel tip 411 is moved into mobile one end distance, ferroelectric core installing mechanism 414 departs from positioning hole 13, by conduction
Iron core gland 4142 is rotated around hinged seat 4141, and conducting core then is seated into conducting core mounting hole along guide groove 4144
In 4143；Then conducting core installing mechanism 414 is fitted into positioning hole 13, drive device 413 drives conducting core fitting machine
Structure 414 is slided along positioning hole 13, and conducting core is placed into ferroelectric core fixing hole 413 by conducting core installing mechanism 414；Close
Mould；During matched moulds.It is molded, after injection, removes moulding, drive device 413 drives conducting core installing mechanism again
414 slide along positioning hole 13, lay conducting core, are molded next time.
Above-described embodiment, the purpose of the present invention, technical scheme and beneficial effect are carried out further
Describe in detail, should be understood that the embodiment that the foregoing is only the present invention, be not limited to this hair
It is bright, within the spirit and principles of the invention, any modification, equivalent substitution and improvements done etc., it should be included in the present invention
Protection domain within.
Claims (10)
1. a kind of binding post injection mold, it includes：Core-pulling device (1), mavable module core (2), fixed mold core (3), core rod (4)；Institute
The core-pulling device (1) stated is arranged on mavable module core (2), one end of fixed mold core (3)；Described core-pulling device (1) is Slanted ejecting device, bag
The guide rod (12) for including the tilted footstock (11) being arranged on fixed mold core (3) and being arranged on mavable module core (2)；Described tilted footstock (11)
Cooperated with guide rod (12)；It is characterized in that：Described core rod (4) includes the first core rod (41)；The first described core rod
(41) mandrel tip (411) and core rod fixed block (412) are included；Described core rod fixed block (412) is fixed on core-pulling device (1)
Tilted footstock (11) on；Described mandrel tip (411) and the end of core rod fixed block (412) is hinged；Described mandrel tip
(411) it is provided with conducting core fixing hole (4110).
2. binding post injection mold according to claim 1, it is characterised in that：Also it is arranged on including the second core rod (42)
On mavable module core (2)；Described the second core rod (42) is provided with conducting core positioning hole (421)；Described conducting core fixing hole
(4110) it is corresponding with conducting core positioning hole (421).
3. binding post injection mold according to claim 2, it is characterised in that：Described mavable module core (2), fixed mold core
(3) it is provided with the detent (43) to match with mandrel tip (411), core rod fixed block (412).
4. according to the binding post injection mold described in claim 1 or 2 or 3, it is characterised in that：Described the first core rod (41)
Also include drive device (413)；Described tilted footstock (11) is provided with positioning hole (13)；Described positioning hole (13) is square；
The axis direction of described positioning hole (13) is identical with core-pulling device (1) direction of motion；Described core rod fixed block (412) installation
In positioning hole (13), and core rod fixed block (412) slides in positioning hole (13)；Described mandrel tip (411) it is another
The end with core rod fixed block (412) is held to be hinged.
5. binding post injection mold according to claim 4, it is characterised in that：Described drive device (413) is fixed
On tilted footstock (11), drive device (413) is connected with core rod fixed block (412), drive device (413) band moving-mould-core fixed block
(412) slided along positioning hole (13).
6. binding post injection mold according to claim 5, it is characterised in that：Described the first core rod (41) is included also
Conducting core installing mechanism (414)；Described core rod fixed block (412) is fixed on tilted footstock (11), and core rod fixed block
(412) it is internal to be provided with through hole (4121)；Described mandrel tip (411) is fixed on the end of core rod fixed block (412)；Described
The inside of mandrel tip (411) is provided with conducting core installing mechanism accommodating chamber (4111)；Described conducting core installing mechanism
(414) hinged seat (4141), conducting core gland (4142) are included；Described conducting core gland (4142) one end is with leading
Ferroelectric core gland (4142) is be hinged；Described conducting core gland (4142) matches with positioning hole (13)；Described leads
The other end of ferroelectric core gland (4142) is provided with conducting core mounting hole (4143), and profile and installing mechanism accommodating chamber
(4111) match.
7. binding post injection mold according to claim 6, it is characterised in that：Described through hole (4121) and conductive iron
Core positioning hole (421) is coaxially disposed, and pore size is equal.
8. binding post injection mold according to claim 7, it is characterised in that：Described conducting core fixing hole
(4110) it is corresponding with conducting core positioning hole (421)；Described conducting core mounting hole (4143) and conducting core fixing hole
(4110) it is corresponding.
9. binding post injection mold according to claim 8, it is characterised in that：Described electric core mounting holes (4143)
Side be provided with guide groove (4144)；The length of described guide groove (4144) is less than the length of conducting core mounting hole (4143)
Degree.
10. binding post injection mold according to claim 9, it is characterised in that：Described drive device (413) is fixed
On tilted footstock (11), drive device (413) is connected with mould hinged seat (4141), and drive device (413) can drive conducting core
Installing mechanism (414) slides along positioning hole (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710844507.9A CN107791442A (en) | 2017-09-19 | 2017-09-19 | A kind of binding post injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710844507.9A CN107791442A (en) | 2017-09-19 | 2017-09-19 | A kind of binding post injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107791442A true CN107791442A (en) | 2018-03-13 |
Family
ID=61532318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710844507.9A Pending CN107791442A (en) | 2017-09-19 | 2017-09-19 | A kind of binding post injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107791442A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108819135A (en) * | 2018-08-21 | 2018-11-16 | 深圳市银宝山新科技股份有限公司 | Knuckle mold Slide mechanism |
| CN111391224A (en) * | 2020-03-30 | 2020-07-10 | 宁波均胜群英汽车系统股份有限公司 | Die structure for manufacturing insulating base |
| CN112549504A (en) * | 2020-11-18 | 2021-03-26 | 亚普汽车部件股份有限公司 | External part hollow body forming die and part mounting method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103600471A (en) * | 2013-10-29 | 2014-02-26 | 昌辉汽车电器（黄山）股份公司 | Injection mold with insert assembling structure |
| CN207256698U (en) * | 2017-09-19 | 2018-04-20 | 苏州贝恩特精密工业有限公司 | A kind of wire connection terminal injection mold |
-
2017
- 2017-09-19 CN CN201710844507.9A patent/CN107791442A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103600471A (en) * | 2013-10-29 | 2014-02-26 | 昌辉汽车电器（黄山）股份公司 | Injection mold with insert assembling structure |
| CN207256698U (en) * | 2017-09-19 | 2018-04-20 | 苏州贝恩特精密工业有限公司 | A kind of wire connection terminal injection mold |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108819135A (en) * | 2018-08-21 | 2018-11-16 | 深圳市银宝山新科技股份有限公司 | Knuckle mold Slide mechanism |
| CN111391224A (en) * | 2020-03-30 | 2020-07-10 | 宁波均胜群英汽车系统股份有限公司 | Die structure for manufacturing insulating base |
| CN112549504A (en) * | 2020-11-18 | 2021-03-26 | 亚普汽车部件股份有限公司 | External part hollow body forming die and part mounting method |
| CN112549504B (en) * | 2020-11-18 | 2022-08-16 | 亚普汽车部件股份有限公司 | External part hollow body forming die and part mounting method |
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