CN107399055B - Core-pulling device - Google Patents
Core-pulling device Download PDFInfo
- Publication number
- CN107399055B CN107399055B CN201710847939.5A CN201710847939A CN107399055B CN 107399055 B CN107399055 B CN 107399055B CN 201710847939 A CN201710847939 A CN 201710847939A CN 107399055 B CN107399055 B CN 107399055B
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- Prior art keywords
- block
- core
- pulling
- arc
- loose core
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Classifications
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- 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
- B29C45/26—Moulds
- B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
-
- 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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The present invention provides a kind of core-pulling device, including vertically arranged fixed block, horizontally disposed guiding wear-resistant block and the sliding block being arranged on guiding wear-resistant block；Wherein, oil cylinder is provided on fixed block, oil cylinder is fixedly connected with a slide block, and oil cylinder band movable slider slides on guiding wear-resistant block；Arc core-pulling block is provided in sliding block, the first direction Loose core block that is embedded in arc core-pulling block, the second direction Loose core block connecting with first direction Loose core block, and the third direction Loose core block across first direction Loose core block and second direction Loose core block；Pulling block is fixed on sliding block, pulling block drives first direction Loose core block to carry out core pulling campaign in arc core-pulling block, first direction Loose core block driving second direction Loose core block carries out core pulling campaign in arc core-pulling block, and driving third direction Loose core block carries out core pulling campaign in arc core-pulling block.Effective molding circular arc back-off type product can be stablized using foregoing invention, in the back-off position of product without parting line, forming quality of products is high.
Description
Technical field
The present invention relates to mold design technical fields, more specifically, are related to multi-direction core-pulling device in a kind of Arc Axial.
Background technique
As social development is become increasingly prosperous, people are higher and higher to the quality requirements of various electronic products, to meet people
Demand to electronic product various functions, product structure become increasingly complex.
Currently, being formed usually using wide-angle oblique top, after forming process need to meet oblique top when product has larger back-off
It moves back and does not interfere with product structure, product does not clamp the restrictive conditions such as oblique top retrogressing, for the bigger product of back-off, conditions above
Substantially it is unable to satisfy.There is oblique top parting line in product surface in addition, also resulting in using oblique top molding, the oblique top parting line
Definition and demand of the people to high-quality are not met.For this purpose, a kind of novel core-pulling device need to be arranged, to meet product back-off position
No parting line is set, and solves the problems, such as that product circular arc back-off structure and circular arc are buckled to interior multiple back-offs.
Summary of the invention
In view of the above problems, the object of the present invention is to provide a kind of core-pulling devices, to solve to fall using oblique top molding at present
The problems such as being unable to satisfy product injection molding existing for buckle product to require, and adverse effect easily caused to product appearance.
Core-pulling device provided by the invention is arranged in injection mold, including vertically arranged fixed block, horizontally disposed
Guiding wear-resistant block and the sliding block being arranged on guiding wear-resistant block；Wherein, oil cylinder is provided on fixed block, oil cylinder passes through connection
Plate is fixedly connected with a slide block, and oil cylinder band movable slider slides on guiding wear-resistant block；It is provided with arc core-pulling block in sliding block, is embedded
First direction Loose core block and first direction Loose core block in arc core-pulling block pass through the second party that second direction drives pin connection
To Loose core block, and across the third direction Loose core block of first direction Loose core block and second direction Loose core block；It is fixed on sliding block
There is a pulling block, pulling block drives first direction Loose core block to carry out core pulling campaign in arc core-pulling block, and first direction Loose core block passes through the
Two direction drive pins driving second direction Loose core block carries out core pulling campaign in arc core-pulling block and first direction Loose core block is logical
It crosses itself inclined guide rails driving third direction Loose core block and carries out core pulling campaign in arc core-pulling block.
Furthermore it is preferred that scheme be that arc core-pulling block is fixed in the rear cavity of injection mold by rotary shaft, circular arc take out
Pellet can be rotated around rotary shaft.
Furthermore it is preferred that scheme be to be provided with axis hole corresponding with rotary shaft, rotary shaft in Loose core block in a first direction
First direction Loose core block is limited in arc core-pulling block across axis hole.
Furthermore it is preferred that scheme be further include be arranged in guiding wear-resistant block on circular arc guide pad and be fixed on circular arc
Circular arc drive pin in Loose core block；Circular arc guide pad provides guiding for the rotary motion of arc core-pulling block, and circular arc drive pin is used for
After pulling block and first direction Loose core block are detached from, driving arc core-pulling block movement；It is provided between sliding block and circular arc drive pin
Delay distance.
Furthermore it is preferred that scheme be that sliding block is arranged in close to the side of arc core-pulling block, in arc core-pulling block in inclined guide rails
On be provided with inclined surface corresponding with inclined guide rails；When pulling block is detached from first direction Loose core block, sliding block is under oil cylinder drive
It slides and contacts circular arc drive pin by inclined guide rails, and then drive arc core-pulling block to revolve around rotary shaft by circular arc drive pin
Turn.
Furthermore it is preferred that scheme be that backhoe is fixed on the front template of injection mold, backhoe be used for locking sliding block,
After injection mould closing, anti-limited slip block is retreated.
Furthermore it is preferred that scheme be one end of fixed block to be provided with block in guiding wear-resistant block, block is used for cunning
Stroke of the block on guiding wear-resistant block is limited.
Furthermore it is preferred that scheme be to be respectively arranged with press strip in the two sides of sliding block, press strip is used to sliding block being fixed on injection molding
In the rear cavity of mold.
Furthermore it is preferred that scheme be further include banking pin across first direction Loose core block；Wherein, banking pin for pair
Movement of the first direction Loose core block in arc core-pulling block carries out stroke limit.
Furthermore it is preferred that scheme be further include the setting spring between Loose core block and arc core-pulling block in a first direction；Bullet
Spring is used to prevent first direction core pulling block reset when pulling block is detached from first direction Loose core block.
Using above-mentioned core-pulling device, can effectively solve the problem that the back-off of product circular arc can not molding problem, while can guarantee
The consistency of product appearance, forming quality of products is high, speed is fast.
To the accomplishment of the foregoing and related purposes, one or more aspects of the present invention includes the spy being particularly described below
Sign.Certain illustrative aspects of the invention is described in detail in the following description and the annexed drawings.However, these aspect instructions are only
It is that some of the various ways in the principles of the present invention can be used.In addition, the present invention is intended to include all such aspects with
And their equivalent.
Detailed description of the invention
By reference to the explanation below in conjunction with attached drawing, and with a more complete understanding of the present invention, of the invention is other
Purpose and result will be more clearly understood and understood.In the accompanying drawings:
Fig. 1 is the overall structure diagram according to the core-pulling device of the embodiment of the present invention；
Fig. 2 is the exploded view according to the core-pulling device of the embodiment of the present invention；
Fig. 3 is the structural schematic diagram according to core-pulling device of the embodiment of the present invention under injection mould closing state；
Fig. 4 is the structural schematic diagram according to core-pulling device of the embodiment of the present invention under injection mold die opening state；
Fig. 5 is the core-pulling device partial enlarged view according to the embodiment of the present invention；
Fig. 6 is the core-pulling device partial sectional view according to the embodiment of the present invention.
Appended drawing reference therein includes: oil cylinder 1, fixed block 2, block 3, connecting rod 4, guiding wear-resistant block 5, sliding block 6, rotation
Axis 7, press strip 8, circular arc guide pad 9, first direction Loose core block 10, second direction Loose core block 11, third direction Loose core block 12, second
Direction drive pin 13, banking pin 14, arc core-pulling block 15, pulling block 16, backhoe 17, spring 18, circular arc drive pin 19.
Identical label indicates similar or corresponding feature or function in all the appended drawings.
Specific embodiment
In the following description, for purposes of illustration, it in order to provide the comprehensive understanding to one or more embodiments, explains
Many details are stated.It may be evident, however, that these embodiments can also be realized without these specific details.
In other examples, one or more embodiments for ease of description, well known structure and equipment are shown in block form an.
For detailed description of the present invention core-pulling device, specific embodiments of the present invention are carried out below with reference to attached drawing detailed
Description.
Fig. 1 and Fig. 2 show from different perspectives respectively core-pulling device according to an embodiment of the present invention overall structure and
Decomposition texture.
As Fig. 1 and Fig. 2 jointly shown in, the core-pulling device of the embodiment of the present invention, be arranged in injection mold, core-pulling device packet
Include vertically arranged fixed block 2, horizontally disposed guiding wear-resistant block 5 and the sliding block 6 being arranged on guiding wear-resistant block 5；Wherein,
Oil cylinder 1 is provided on fixed block 2, oil cylinder 1 is fixedly connected by connecting plate with sliding block 6, and oil cylinder 1 is used for band movable slider 6 and is leading
It is slided on wear-resistant block 5；Arc core-pulling block 15 is provided in sliding block 6, the first direction being embedded in arc core-pulling block 15 is taken out
Pellet 10 passes through the second direction Loose core block 11 that second direction drive pin 13 is connect with first direction Loose core block 10, and passes through
The third direction Loose core block 12 of first direction Loose core block 10 and second direction Loose core block 11；It is fixed with pulling block 16 on sliding block 6, draws
Block 16 drives first direction Loose core block 10 to carry out core pulling campaign in arc core-pulling block 15, and first direction Loose core block 10 passes through second
Direction drive pin 13 drives second direction Loose core block 11 to carry out core pulling campaign and first direction core pulling in arc core-pulling block 15
Block 10 drives third direction Loose core block 12 to carry out core pulling campaign in arc core-pulling block 15 by itself inclined guide rails.
Specifically, arc core-pulling block 15 is fixed in the rear cavity of injection mold by rotary shaft 7, and arc core-pulling block 15 can
It is rotated around rotary shaft 7；Meanwhile axis hole corresponding with rotary shaft 7 is provided in Loose core block 10 in a first direction, it revolves
Shaft 7 passes through axis hole and limits first direction Loose core block 10 in arc core-pulling block 15.
In addition, core-pulling device further includes the circular arc guide pad 9 being arranged on guiding wear-resistant block 5 and is fixed on arc core-pulling
Circular arc drive pin 19 on block 15；Circular arc guide pad 9 provides guiding, circular arc drive pin 19 for the rotary motion of arc core-pulling block 15
For after pulling block 16 and first direction Loose core block 10 are detached from, driving arc core-pulling block 15 to be moved；In sliding block 6 and circular arc drive pin
Delay distance is provided between 19.
In the specific embodiment of the present invention, sliding block 6 is arranged in close to the one of arc core-pulling block 15 in inclined guide rails
Side is provided with inclined surface corresponding with inclined guide rails on arc core-pulling block 15；When pulling block 16 is detached from first direction Loose core block
When 10, sliding block 6 drives lower slider in oil cylinder 1 and contacts circular arc drive pin 19 by inclined guide rails, and then passes through circular arc drive pin
19 driving arc core-pulling blocks 15 are rotated around rotary shaft 7, realize the core pulling campaign of arc core-pulling block 15.
In addition, being fixed with the backhoe 17 mutually limited with sliding block 6 on the front template of injection mold, backhoe 17 is for locking
Sliding block 6, after injection mould closing, backhoe 17 is retreated for anti-limited slip block 6；In guiding wear-resistant block 5 close to one end of fixed block 2
It is provided with block 3, block 3 is used to limit stroke of the sliding block 6 on guiding wear-resistant block 5；Loose core block 10 in a first direction
Inside it is provided through the banking pin 14 of first direction Loose core block 10；Wherein, banking pin 14 is for existing to first direction Loose core block 10
Movement in arc core-pulling block 15 carries out stroke limit.
In another embodiment of the present invention, it is respectively arranged with press strip 8 in the left and right sides of sliding block 6, press strip 8 is used
In in the rear cavity that sliding block 6 is fixed on injection mold.
Further, core-pulling device further includes the setting spring between Loose core block 10 and arc core-pulling block 15 in a first direction
18；Spring 18 is used to prevent first direction Loose core block 10 from resetting when pulling block 16 is detached from first direction Loose core block 10.
Fig. 3 and Fig. 4 respectively illustrates core-pulling device according to embodiments of the present invention under injection mould closing state and is opened
Structure under state；Fig. 5 and Fig. 6 respectively illustrates partial enlargement structure and the part of core-pulling device according to an embodiment of the present invention
Sectional structure.
In conjunction with Fig. 1 to Fig. 6 jointly shown in, the core-pulling device of the embodiment of the present invention, fixed block 2 is fixed by screws in injection molding
On the rear pattern plate of mold, under injection mould closing state, sliding block 6 is pushed into and round Loose core block phase by oil cylinder 1 by connecting rod 4
It contradicts, first direction Loose core block 10 is in acclivitous state under the action of round Loose core block；At this point, pulling block 16 and first party
It is in contact to Loose core block 10, since pulling block 16 is fixedly connected by screw with sliding block 6, sliding block 6 moves on guiding wear-resistant block 5,
First direction Loose core block 10 can be pulled to move back and forth in arc core-pulling block 15 by pulling block 16, and by banking pin 14 to it
Stroke in arc core-pulling block 15 is limited.
Wherein, the first direction Loose core block 10 of movement is further driven by the second direction drive pin 13 being fixed thereon
Dynamic second direction Loose core block 11 moves back and forth in arc core-pulling block 15, wherein sets inside Loose core block 10 in a first direction
It is equipped with escape groove, second direction Loose core block 11 moves in the escape groove.Further, since the inclination of first direction Loose core block 10 is led
The presence of rail, the movement of first direction Loose core block 10 are transferred to third direction Loose core block 12 by its inclined guide rails, and drive the
Three direction Loose core blocks 12 move back and forth in arc core-pulling block 15, while evacuation is also equipped in second direction Loose core block 11
Slot, third direction Loose core block 12 move in the escape groove.
Further, arc core-pulling block 15 is fixed in the rear cavity of injection mold by rotary shaft 7, but arc core-pulling
Block 15 can be rotated by rotary shaft 7, and the movement of arc core-pulling block 15 is led under the action of circular arc guide pad 9
To limit；In addition, circular arc drive pin 19 is fixed on arc core-pulling block 15, and it is connected and exists therebetween certain with sliding block 6
Delay distance, i.e., when sliding block 6 move certain distance after can just touch circular arc drive pin 19.When first direction Loose core block 10,
When the core pulling action of two direction Loose core blocks 11 and third direction Loose core block 12 is completed, pulling block 16 is just de- with first direction Loose core block 10
From arc core-pulling block 15 does corresponding arc core-pulling movement under the action of circular arc drive pin 19, to realize more in Arc Axial
The core pulling operation in direction.
After injection mold die sinking, backhoe 17 follows the front template of injection mold to stay in the preceding mould of injection mold, and its
He remains in the rear mold of injection mold structure, at this point, first direction Loose core block 10 is limited 14 stroke-limits of nail, pulling block 16
It is separated simultaneously with first direction Loose core block 10, and limits the reset of first direction Loose core block 10 under the action of spring 18.It is drawing
While block 16 is detached from first direction Loose core block 10, sliding block 6 touches circular arc drive pin 19, Jin Ertong by the inclined guide rails of itself
Crossing circular arc drive pin 19 drives arc core-pulling block 15 to rotate around rotary shaft 7, and completes arc core-pulling movement.
As can be seen from the above description, core-pulling device provided by the invention, can effectively solve the problem that product circular arc road mouth structure and
Circular arc is buckled to the problem of interior multiple back-offs molding, achievees the effect that stablize effective molding circular arc back-off type product；Moreover it is possible to
Enough solving the problems, such as existing product, there are parting lines in back-off position, to mold high-quality and meet the production of people's demand
Product.
Core-pulling device according to the present invention is described in an illustrative manner above with reference to attached drawing.But those skilled in the art
It should be appreciated that can also be made on the basis of not departing from the content of present invention for the core-pulling device that aforementioned present invention is proposed
Various improvement.Therefore, protection scope of the present invention should be determined by the content of appended claims.
Claims (10)
1. a kind of core-pulling device is arranged in injection mold, which is characterized in that including vertically arranged fixed block, be horizontally disposed with
Guiding wear-resistant block and be arranged in it is described guiding wear-resistant block on sliding block；Wherein,
Oil cylinder is provided on the fixed block, the oil cylinder is fixedly connected by connecting plate with the sliding block, the oil cylinder band
The sliding block is moved to slide on the guiding wear-resistant block；
Arc core-pulling block, the first direction Loose core block being embedded in the arc core-pulling block and institute are provided in the sliding block
The second direction Loose core block that first direction Loose core block drives pin connection by second direction is stated, and passes through the first direction and takes out
The third direction Loose core block of pellet and the second direction Loose core block；
Be fixed with pulling block on the slide block, the pulling block drive the first direction Loose core block in the arc core-pulling block into
Row core pulling campaign, the first direction Loose core block drive the second direction Loose core block in the circle by second direction drive pin
Core pulling campaign is carried out in arc Loose core block, and, the first direction Loose core block drives the third party by itself inclined guide rails
Core pulling is carried out in the arc core-pulling block to Loose core block to move.
2. core-pulling device as described in claim 1, which is characterized in that
The arc core-pulling block is fixed in the rear cavity of the injection mold by rotary shaft, and the arc core-pulling block can be around institute
Rotary shaft is stated to be rotated.
3. core-pulling device as claimed in claim 2, which is characterized in that
Axis hole corresponding with the rotary shaft is provided in the first direction Loose core block, the rotary shaft passes through the axis
Hole limits the first direction Loose core block in the arc core-pulling block.
4. core-pulling device as claimed in claim 2, which is characterized in that further include the circular arc being arranged on the guiding wear-resistant block
Guide pad and the circular arc drive pin being fixed on the arc core-pulling block；
The circular arc guide pad provides guiding for the rotary motion of the arc core-pulling block, and the circular arc drive pin is used for described
After pulling block and the first direction Loose core block are detached from, the arc core-pulling block is driven to move；
Delay distance is provided between the sliding block and the circular arc drive pin.
5. core-pulling device as claimed in claim 4, which is characterized in that
The sliding block is arranged in close to the side of the arc core-pulling block in inclined guide rails, be provided on the arc core-pulling block with
The corresponding inclined surface of the inclined guide rails；
When the pulling block is detached from the first direction Loose core block, the sliding block drives lower slider in the oil cylinder and passes through described
Inclined guide rails contact the circular arc drive pin, and then drive the arc core-pulling block around the rotation by the circular arc drive pin
Axis rotation.
6. core-pulling device as described in claim 1, which is characterized in that
Backhoe is fixed on the front template of the injection mold, the backhoe is for locking the sliding block, in the injection mould
After tool molding, prevent the sliding block from retreating.
7. core-pulling device as described in claim 1, which is characterized in that
One end of the fixed block is provided with block in the guiding wear-resistant block, the block is used for the sliding block in institute
The stroke stated on guiding wear-resistant block is limited.
8. core-pulling device as described in claim 1, which is characterized in that
It is respectively arranged with press strip in the two sides of the sliding block, the press strip is used to the sliding block being fixed on the injection mold
In rear cavity.
9. core-pulling device as described in claim 1, which is characterized in that further include the limit across the first direction Loose core block
Nail；Wherein,
The banking pin is used for the movement to the first direction Loose core block in the arc core-pulling block and carries out stroke limit.
10. core-pulling device as described in claim 1, which is characterized in that further include setting the first direction Loose core block with
Spring between the arc core-pulling block；
The spring is used to prevent the first direction core pulling block reset when the pulling block is detached from the first direction Loose core block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710847939.5A CN107399055B (en) | 2017-09-19 | 2017-09-19 | Core-pulling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710847939.5A CN107399055B (en) | 2017-09-19 | 2017-09-19 | Core-pulling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107399055A CN107399055A (en) | 2017-11-28 |
| CN107399055B true CN107399055B (en) | 2019-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710847939.5A Active CN107399055B (en) | 2017-09-19 | 2017-09-19 | Core-pulling device |
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| CN (1) | CN107399055B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108724644B (en) * | 2018-05-25 | 2019-12-13 | 歌尔股份有限公司 | Multidirectional core-pulling mechanism of pitched roof |
| CN108656475A (en) * | 2018-07-11 | 2018-10-16 | 常州星宇车灯股份有限公司 | A kind of core-pulling mechanism for moulded plastic products |
| CN109176992B (en) * | 2018-09-17 | 2024-05-28 | 江苏旭虹精密零组件有限公司 | Multiple core pulling mechanism for inverted hooks |
| CN112549454B (en) * | 2019-09-10 | 2022-08-05 | 深圳兴精科塑胶模具有限公司 | Core-pulling mechanism of injection molding mold of oil tank refueling mask |
| CN112549438B (en) * | 2019-09-10 | 2022-08-05 | 深圳兴精科塑胶模具有限公司 | Double-color injection molding die for oil tank refueling mask |
| CN112549437B (en) * | 2019-09-10 | 2022-10-04 | 深圳兴精科塑胶模具有限公司 | Injection molding die for refueling mask of oil tank |
| CN110587931A (en) * | 2019-09-23 | 2019-12-20 | 遵义群建塑胶制品有限公司 | Refrigerator fruit and vegetable box injection mold |
| CN114347399A (en) * | 2021-12-16 | 2022-04-15 | 苏州瑞尔福精密模具有限公司 | Drawing mechanism for injection mold and using method thereof |
| CN114851492A (en) * | 2022-03-23 | 2022-08-05 | 浙江台州美多模具有限公司 | Inner core-pulling mechanism of injection mold |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5397226A (en) * | 1993-11-02 | 1995-03-14 | D-M-E Company | Slide retainer for injection molds |
| CN201816180U (en) * | 2010-07-01 | 2011-05-04 | 合肥海毅精密塑业有限公司 | Rotary core pulling die |
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2017
- 2017-09-19 CN CN201710847939.5A patent/CN107399055B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5397226A (en) * | 1993-11-02 | 1995-03-14 | D-M-E Company | Slide retainer for injection molds |
| CN201816180U (en) * | 2010-07-01 | 2011-05-04 | 合肥海毅精密塑业有限公司 | Rotary core pulling die |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107399055A (en) | 2017-11-28 |
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Effective date of registration: 20201019 Address after: 261031 north of Yuqing street, east of Dongming Road, high tech Zone, Weifang City, Shandong Province (Room 502, Geer electronic office building) Patentee after: GoerTek Optical Technology Co.,Ltd. Address before: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee before: GOERTEK Inc. |
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Effective date of registration: 20221124 Address after: 266104 No. 500, Songling Road, Laoshan District, Qingdao, Shandong Patentee after: GOERTEK TECHNOLOGY Co.,Ltd. Address before: 261031 north of Yuqing street, east of Dongming Road, high tech Zone, Weifang City, Shandong Province (Room 502, Geer electronics office building) Patentee before: GoerTek Optical Technology Co.,Ltd. |
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