CN107399055A - Core-pulling device - Google Patents
Core-pulling device Download PDFInfo
- Publication number
- CN107399055A CN107399055A CN201710847939.5A CN201710847939A CN107399055A CN 107399055 A CN107399055 A CN 107399055A CN 201710847939 A CN201710847939 A CN 201710847939A CN 107399055 A CN107399055 A CN 107399055A
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- Prior art keywords
- block
- core
- pulling
- arc
- loose core
- Prior art date
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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, the horizontally disposed sliding block for being oriented to wear-resistant block and being arranged on guiding wear-resistant block；Wherein, oil cylinder is provided with fixed block, oil cylinder is fixedly connected with a slide block, and oil cylinder band movable slider slides on wear-resistant block is oriented to；The first direction Loose core block for arc core-pulling block is provided with sliding block, being embedded in arc core-pulling block, the second direction Loose core block being connected with first direction Loose core block, and through first direction Loose core block and the third direction Loose core block of second direction Loose core block；Pulling block is fixed with 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.It can be stablized using foregoing invention and effectively be molded circular arc back-off type product, it is high without parting line, forming quality of products in the back-off position of product.
Description
Technical field
The present invention relates to mold design technical field, more specifically, is related to multi-direction core-pulling device in a kind of Arc Axial.
Background technology
As social development is become increasingly prosperous, people are to the quality requirements more and more highers of various electronic products, to meet people
To the demand of electronic product various functions, product structure becomes increasingly complex.
At present, when product has larger back-off, it is molded usually using wide-angle oblique top, after forming process need to meet oblique top
Move back and do 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 can not meet.There is oblique top parting line in product surface in addition, being also resulted in using oblique top shaping, the oblique top parting line
Definition and demand of the people to high-quality are not met.Therefore, a kind of new core-pulling device need to be set, to meet product back-off position
No parting line is put, and solves the problems, such as multiple back-offs in product circular arc back-off structure and circular arc back-off.
The content of the invention
In view of the above problems, it is an object of the invention to provide a kind of core-pulling device, to solve to fall using oblique top shaping at present
The problems such as can not meeting that product injection requires existing for buckle product, and easily being had undesirable effect to product appearance.
Core-pulling device provided by the invention, is arranged in injection mold, including vertically arranged fixed block, horizontally disposed
It is oriented to wear-resistant block and is arranged on the sliding block being oriented on wear-resistant block；Wherein, oil cylinder is provided with fixed block, oil cylinder passes through connection
Plate is fixedly connected with a slide block, and oil cylinder band movable slider slides on wear-resistant block is oriented to；Arc core-pulling block is provided with sliding block, is embedded
First direction Loose core block in arc core-pulling block, the second party with first direction Loose core block by second direction driving pin connection
To Loose core block, and through first direction Loose core block and the third direction Loose core block of 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 pin driving second direction Loose core blocks carry out core pulling campaign in arc core-pulling block, and first direction Loose core block is led to
Cross itself inclined guide rails driving third direction Loose core block and core pulling campaign is carried out 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, and circular arc is taken out
Pellet can be rotated around rotary shaft.
Furthermore it is preferred that scheme be to be provided with the axis hole corresponding with rotary shaft, rotary shaft in Loose core block in a first direction
It is through axis hole that first direction Loose core block is spacing in arc core-pulling block.
Furthermore it is preferred that scheme be, in addition to be arranged on be oriented to 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 depart from, the block motion of driving arc core-pulling；It is provided between sliding block and circular arc drive pin
Delay distance.
Furthermore it is preferred that scheme be that inclined guide rails are arranged on sliding block close to the side of arc core-pulling block, in arc core-pulling block
On be provided with the inclined plane corresponding with inclined guide rails；When pulling block departs from first direction Loose core block, sliding block is under oil cylinder drive
Slide and contact circular arc drive pin by inclined guide rails, and then drive arc core-pulling block to be revolved around rotary shaft by circular arc drive pin
Turn.
Furthermore it is preferred that scheme be that backhoe is fixed with the front template of injection mold, backhoe is used for locking sliding block,
After injection mould closing, anti-limited slip block retreats.
Furthermore it is preferred that scheme be one end of fixed block to be provided with block being oriented to wear-resistant block, block is used for cunning
Stroke of the block on wear-resistant block is oriented to carries out spacing.
Furthermore it is preferred that scheme be that press strip is respectively arranged with the both sides of sliding block, press strip is used to sliding block being fixed on injection
In the rear cavity of mould.
Furthermore it is preferred that scheme be in addition to the banking pin through first direction Loose core block；Wherein, banking pin be used for pair
Motion of the first direction Loose core block in arc core-pulling block carries out stroke limit.
Furthermore it is preferred that scheme be that in addition to the spring between Loose core block and arc core-pulling block in a first direction is set；Bullet
Spring is used to prevent first direction core pulling block reset when pulling block departs from first direction Loose core block.
Using above-mentioned core-pulling device, the problem that product circular arc back-off can not be molded is can effectively solve the problem that, while can ensure
The uniformity of product appearance, forming quality of products is high, speed is fast.
In order to realize above-mentioned and related purpose, one or more aspects of the invention include the spy that will be explained in below
Sign.Some illustrative aspects of the present invention are described in detail in following explanation and accompanying drawing.However, these aspect instructions are only
It is some modes in the various modes for can be used the principle of the present invention.In addition, it is contemplated that including all these aspects with
And their equivalent.
Brief description of the drawings
By reference to the explanation below in conjunction with accompanying drawing, and with the present invention is more fully understood, of the invention is other
Purpose and result will be more apparent and should be readily appreciated that.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 representation according to core-pulling device of the embodiment of the present invention under injection mould closing state；
Fig. 4 is the structural representation 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 drawing 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.
Reference therein includes：Oil cylinder 1, fixed block 2, block 3, connecting rod 4, guiding wear-resistant block 5, sliding block 6, rotation
Axle 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 of the figs.
Embodiment
In the following description, for purposes of illustration, in order to provide the comprehensive understanding to one or more embodiments, explain
Many details are stated.It may be evident, however, that these embodiments can also be realized in the case of these no details.
In other examples, for the ease of describing one or more embodiments, known structure and equipment are shown in block form an.
For the core-pulling device of the present invention is described in detail, the specific embodiment of the present invention is carried out below with reference to accompanying drawing detailed
Description.
Fig. 1 and Fig. 2 show from different perspectives respectively core-pulling device according to embodiments of the present invention overall structure and
Decomposition texture.
As Fig. 1 and Fig. 2 are jointly shown, the core-pulling device of the embodiment of the present invention, it is arranged in injection mold, core-pulling device bag
Include vertically arranged fixed block 2, the horizontally disposed sliding block 6 for being oriented to wear-resistant block 5 and being arranged on guiding wear-resistant block 5；Wherein,
Oil cylinder 1 is provided with fixed block 2, oil cylinder 1 is fixedly connected by connecting plate with sliding block 6, and oil cylinder 1, which is used for band movable slider 6, is leading
Slided on to wear-resistant block 5；The first direction for arc core-pulling block 15 is provided with sliding block 6, being embedded in arc core-pulling block 15 is taken out
Pellet 10, the second direction Loose core block 11 being connected with first direction Loose core block 10 by second direction drive pin 13, and pass through
The third direction Loose core block 12 of first direction Loose core block 10 and second direction Loose core block 11；Pulling block 16 is fixed with sliding block 6, is drawn
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 the axis hole corresponding with rotary shaft 7 is provided with Loose core block 10 in a first direction, revolve
Rotating shaft 7 is spacing in arc core-pulling block 15 by first direction Loose core block 10 through axis hole.
In addition, core-pulling device also includes being arranged on the circular arc guide pad 9 being oriented on 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 depart from, driving arc core-pulling block 15 to move；In sliding block 6 and circular arc drive pin
Delay distance is provided between 19.
In the specific embodiment of the present invention, inclined guide rails are arranged on sliding block 6 close to the one of arc core-pulling block 15
Side, the inclined plane corresponding with inclined guide rails is provided with arc core-pulling block 15；When pulling block 16 departs 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 rotate around rotary shaft 7, realize the core pulling campaign of arc core-pulling block 15.
In addition, being fixed with the backhoe 17 mutually spacing with sliding block 6 on the front template of injection mold, backhoe 17 is used to lock
Sliding block 6, after injection mould closing, backhoe 17 retreats for anti-limited slip block 6；Wear-resistant block 5 is being oriented to close to one end of fixed block 2
Block 3 is provided with, the stroke progress that block 3 is used for sliding block 6 on wear-resistant block 5 is oriented to is spacing；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 used to exist to first direction Loose core block 10
Motion in arc core-pulling block 15 carries out stroke limit.
In another embodiment of the present invention, press strip 8 is respectively arranged with the left and right sides of sliding block 6, press strip 8 is used
It is fixed in by sliding block 6 in the rear cavity of injection mold.
Further, core-pulling device also includes setting the 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 departs 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 molded
Structure under state；Fig. 5 and Fig. 6 respectively illustrates the partial enlargement structure and part of core-pulling device according to embodiments of the present invention
Sectional structure.
Jointly shown with reference to Fig. 1 to Fig. 6, the core-pulling device of the embodiment of the present invention, fixed block 2 is fixed by screws in injection
On the rear pattern plate of mould, under injection mould closing state, sliding block 6 is pushed into and circular Loose core block phase by oil cylinder 1 by connecting rod 4
Contradict, first direction Loose core block 10 is in acclivitous state in the presence of circular Loose core block；Now, pulling block 16 and first party
It is in contact to Loose core block 10, because pulling block 16 is fixedly connected by screw with sliding block 6, sliding block 6 moves on wear-resistant block 5 is oriented to,
First direction Loose core block 10 can be pulled to be moved 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 carries out spacing.
Wherein, the first direction Loose core block 10 of motion, 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, set in a first direction inside Loose core block 10
Escape groove is equipped with, second direction Loose core block 11 is moved in the escape groove.Further, since the inclination of first direction Loose core block 10 is led
The presence of rail, the motion 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 are also equipped with avoiding in second direction Loose core block 11
Groove, third direction Loose core block 12 are moved 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 motion of arc core-pulling block 15 is led in the presence of circular arc guide pad 9
To spacing；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 motion in the presence of circular arc drive pin 19, more in Arc Axial so as to realize
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
His structure is remained in the rear mold of injection mold, and now, first direction Loose core block 10 is limited 14 stroke-limits of nail, pulling block 16
Separated simultaneously with first direction Loose core block 10, and the reset of first direction Loose core block 10 is limited in the presence of spring 18.Drawing
While block 16 departs 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 be rotated around rotary shaft 7, and completes arc core-pulling motion.
By foregoing description, core-pulling device provided by the invention, can effectively solve the problem that product circular arc road mouth structure and
In circular arc back-off the problem of multiple back-off shapings, reach the effect of stable effective shaping circular arc back-off type product；Moreover it is possible to
Enough solve existing product and the problem of parting line be present in back-off position, so as 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 accompanying drawing.But those skilled in the art
It should be appreciated that the core-pulling device proposed for the invention described above, can also make on the basis of present invention is not departed from
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, it is characterised in that including vertically arranged fixed block, is horizontally disposed with
Guiding wear-resistant block and be arranged on it is described guiding wear-resistant block on sliding block；Wherein,
Oil cylinder is provided with 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 with the sliding block
The second direction Loose core block that first direction Loose core block drives pin connection by second direction is stated, and is taken out through the first direction
The third direction Loose core block of pellet and the second direction Loose core block；
Pulling block is fixed with the sliding block, the pulling block drives the first direction Loose core block to enter in the arc core-pulling block
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 to Loose core block in the arc core-pulling block to move.
2. core-pulling device as claimed in claim 1, it is characterised in that
The arc core-pulling block is fixed on by rotary shaft in the rear cavity of the injection mold, 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, it is characterised in that
The axis hole corresponding with the rotary shaft is provided with the first direction Loose core block, the rotary shaft passes through the axle
Hole is spacing in the arc core-pulling block by the first direction Loose core block.
4. core-pulling device as claimed in claim 2, it is characterised in that also 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 departs from the first direction Loose core block, 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, it is characterised in that
The inclined guide rails are arranged on the sliding block close to the side of the arc core-pulling block, are set on the arc core-pulling block
There is the inclined plane corresponding with the inclined guide rails；
When the pulling block departs from the first direction Loose core block, the sliding block drives lower slider and by described in the oil cylinder
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
Axle rotates.
6. core-pulling device as claimed in claim 1, it is characterised in that
Backhoe is fixed with the front template of the injection mold, the backhoe is used to lock the sliding block, in the injection mould
After having matched moulds, prevent the sliding block from retreating.
7. core-pulling device as claimed in claim 1, it is characterised 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
It is spacing to state the stroke progress being oriented on wear-resistant block.
8. core-pulling device as claimed in claim 1, it is characterised in that
Press strip is respectively arranged with the both 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 claimed in claim 1, it is characterised in that also include through the spacing of the first direction Loose core block
Nail；Wherein,
The banking pin is used to carry out stroke limit to motion of the first direction Loose core block in the arc core-pulling block.
10. core-pulling device as claimed in claim 1, it is characterised in that also include be arranged on 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 departs 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 true CN107399055A (en) | 2017-11-28 |
| CN107399055B CN107399055B (en) | 2019-05-17 |
Family
ID=60388448
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710847939.5A Active CN107399055B (en) | 2017-09-19 | 2017-09-19 | Core-pulling device |
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| Country | Link |
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| CN (1) | CN107399055B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN108724644A (en) * | 2018-05-25 | 2018-11-02 | 歌尔股份有限公司 | The multi-direction core-pulling mechanism of oblique top |
| CN109176992A (en) * | 2018-09-17 | 2019-01-11 | 江苏旭虹精密零组件有限公司 | A kind of multiple core-pulling mechanism of overhead kick |
| 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 |
| CN112549454A (en) * | 2019-09-10 | 2021-03-26 | 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 |
| CN112549438A (en) * | 2019-09-10 | 2021-03-26 | 深圳兴精科塑胶模具有限公司 | Double-color injection molding die for oil tank refueling mask |
| CN112549437A (en) * | 2019-09-10 | 2021-03-26 | 深圳兴精科塑胶模具有限公司 | Injection molding mold for oiling mask of oil tank |
| 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 |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108724644A (en) * | 2018-05-25 | 2018-11-02 | 歌尔股份有限公司 | The multi-direction core-pulling mechanism of oblique top |
| 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 |
| CN109176992A (en) * | 2018-09-17 | 2019-01-11 | 江苏旭虹精密零组件有限公司 | A kind of multiple core-pulling mechanism of overhead kick |
| 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 |
| CN112549438A (en) * | 2019-09-10 | 2021-03-26 | 深圳兴精科塑胶模具有限公司 | Double-color injection molding die for oil tank refueling mask |
| CN112549454A (en) * | 2019-09-10 | 2021-03-26 | 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 |
| CN112549437A (en) * | 2019-09-10 | 2021-03-26 | 深圳兴精科塑胶模具有限公司 | Injection molding mold for oiling mask of oil tank |
| 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 |
| 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 |
| 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 |
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