CN109501166B - Injection mold core pulling first fixed structure - Google Patents
Injection mold core pulling first fixed structure Download PDFInfo
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- CN109501166B CN109501166B CN201811618996.7A CN201811618996A CN109501166B CN 109501166 B CN109501166 B CN 109501166B CN 201811618996 A CN201811618996 A CN 201811618996A CN 109501166 B CN109501166 B CN 109501166B
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- sliding block
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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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
本发明公开注塑模具抽芯先固定结构，包括设在后模上的第一抽芯单元和第二抽芯单元及设在前模上的斜导柱，第一抽芯单元包括安装座、第一滑块、抽芯及滑块驱动机构，安装座固定于后模上，第一滑块与其滑动配合。滑块驱动机构与第一滑块相连，并驱动其运动，抽芯设在第一滑块的另一端。斜导柱包含异形斜导柱和普通斜导柱，异形斜导柱驱动第一滑块运动。第二抽芯单元包括第二滑块及滑块头，滑块头布置在第二滑块靠近抽芯的一侧，普通斜导柱驱动第二滑块运动。本发明利用注塑机较大的机械力，实现抽芯与燃油分配管的分离，滑块头对抽芯进行定位，消除注胶压力不均匀对抽芯的干扰，提高产品合格率和生产效率。
The present invention discloses a core-pulling fixed structure for an injection mold, comprising a first core-pulling unit and a second core-pulling unit arranged on a rear mold and an inclined guide column arranged on a front mold, wherein the first core-pulling unit comprises a mounting seat, a first slider, a core-pulling and slider driving mechanism, the mounting seat is fixed on the rear mold, and the first slider is slidably matched with the mounting seat. The slider driving mechanism is connected to the first slider and drives it to move, and the core-pulling is arranged at the other end of the first slider. The inclined guide column comprises a special-shaped inclined guide column and a common inclined guide column, and the special-shaped inclined guide column drives the first slider to move. The second core-pulling unit comprises a second slider and a slider head, the slider head is arranged on a side of the second slider close to the core-pulling, and the common inclined guide column drives the second slider to move. The present invention utilizes the larger mechanical force of the injection molding machine to realize the separation of the core-pulling and the fuel distribution pipe, and the slider head positions the core-pulling, eliminates the interference of uneven injection pressure on the core-pulling, and improves the product qualification rate and production efficiency.
Description
Technical Field
The invention relates to the technical field of injection molds, in particular to a loose core first fixing structure of an injection mold.
Background
The automobile fuel distribution pipe is injection molded by a mold, the length is about 3m and the inside is hollow. After the fuel distributing pipe is formed in the cavity, the contact area between the fuel distributing pipe and the loose core is large, the holding force is strong, the loose core is arranged on the rear die, and before the fuel distributing pipe is taken out from the die, the loose core needs to be withdrawn from the fuel distributing pipe. The loose core is withdrawn from the fuel distributing pipe by a loose core cylinder, and the holding force of the fuel distributing pipe on the loose core is overlarge before the loose core moves relative to the fuel distributing pipe, so that the loose core can not be withdrawn by the loose core cylinder, and a slider connected with the loose core is required to be driven to move by a larger driving force. In addition, the core pulling is in a cantilever state in the cavity of the mold, and because the length of the core pulling is long, the core pulling is easily deflected to one side in the cavity due to uneven pressure in the cavity in the injection molding process, so that the fuel distribution pipe of a finished product does not meet the quality requirement, the core pulling is required to be fixed, and the product qualification rate is ensured. Accordingly, the prior art is further improved.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a core-pulling first fixing structure of an injection mold, which solves the problem that the core-pulling and the fuel distribution pipe are difficult to separate because the pulling force of a core-pulling oil cylinder is smaller than the holding force of the fuel distribution pipe on the core-pulling, and in addition, the core-pulling force is deviated to one side in the cavity because of uneven pressure in the cavity in the injection molding process, so that the problem that the fuel distribution pipe does not meet the quality requirement occurs.
In order to solve the technical problems, the invention adopts the following technical scheme:
The injection mold core-pulling first fixing structure comprises a first core-pulling unit, a second core-pulling unit and an inclined guide post, wherein the first core-pulling unit and the second core-pulling unit are arranged on a rear mold, the inclined guide post is arranged on a front mold, the second core-pulling unit is positioned on one side where the first core-pulling unit is positioned, the first core-pulling unit comprises a mounting seat, a first sliding block, core pulling and sliding block driving mechanisms, the mounting seat is fixed on the rear mold, and the first sliding block is arranged on the upper portion of the mounting seat and is in sliding fit with the mounting seat. The slide block driving mechanism is connected with one end of the first slide block and drives the first slide block to move, and the core pulling mechanism is arranged at the other end of the first slide block. The oblique guide post comprises two types, wherein one type is a special-shaped oblique guide post, the other type is a common oblique guide post, and the special-shaped oblique guide post is matched with the first sliding block and drives the first sliding block to move. The second core pulling unit comprises a second sliding block and a sliding block head, wherein the second sliding block is connected with the rear die in a sliding manner, and the sliding block head is arranged on one side, close to core pulling, of the second sliding block and is connected with core pulling plug connection. The common oblique guide post is matched with the second sliding block and drives the second sliding block to move.
Preferably, the bottoms of the first sliding block and the second sliding block are respectively provided with a wear-resisting plate, the wear-resisting plates positioned below the first sliding block are fixed on the mounting seat, and the wear-resisting plates positioned below the second sliding block are fixed on the rear die. The bottoms of the first sliding block and the second sliding block are respectively provided with a limiting clamp, and the limiting clamps are arranged on the wear-resistant plate.
Preferably, the first slide block and the second slide block are positioned at two sides of the movement direction of the first slide block and the second slide block, and the slide block pressing plates are in sliding fit with corresponding sides of the first slide block and the second slide block.
Preferably, the cross section of the special-shaped oblique guide post is square, and is integrally formed by the vertical part and the inclined part. The extending direction of the vertical part is consistent with the die opening direction of the front die, and the inclined part bends towards one side of the moving direction of the first sliding block relative to the vertical part.
Preferably, a special-shaped inclined guide post cavity matched with the special-shaped inclined guide post is formed in the first sliding block, and the vertical section of the special-shaped inclined guide post cavity is of a right trapezoid structure. One side of the special-shaped inclined guide post cavity is a straight inner wall matched with the vertical part of the special-shaped inclined guide post, and the other side of the special-shaped inclined guide post cavity is an inclined inner wall matched with the inclined part of the special-shaped inclined guide post. In the die closing state, the vertical part of the special-shaped inclined guide post is provided with a section of cavity inside the special-shaped inclined guide post.
Preferably, the cross section of the common inclined guide post is circular, the included angle between the extending direction of the common inclined guide post and the die opening direction of the front die is an acute angle, and a common inclined guide post cavity matched with the common inclined guide post is formed in the second sliding block.
Preferably, the slide block driving mechanism comprises a core-pulling oil cylinder and a pull rod, wherein the core-pulling oil cylinder is fixed at the bottom of the mounting seat, and the telescopic end of the core-pulling oil cylinder is connected with one end of the pull rod through a fixed block. The other end of the pull rod is connected with the first sliding block, and a guide sleeve is arranged on the mounting seat and is in sliding fit with the pull rod.
Preferably, the mounting seat is provided with a first travel switch and a second travel switch, the first travel switch is located at one side of the travel of the first sliding block, the second travel switch is located at the end of the travel of the first sliding block, and the first sliding block is provided with a rod body matched with the first travel switch and the second travel switch.
Preferably, the mounting seat is provided with a sliding block limiting block at one end of the first sliding block stroke, and the rear die is provided with a sliding block limiting block at one end of the second sliding block stroke.
Preferably, one end of each inclined guide post is fixedly connected with the front die, and one end of the core pulling is detachably and fixedly connected with the first sliding block through the core pulling seat.
By adopting the technical scheme, the invention has the beneficial technical effects that the first sliding block and the special-shaped inclined guide post are designed, the core pulling movement is driven by the larger mechanical force of the injection molding machine, the separation of the core pulling and the fuel distribution pipe is realized, in addition, the common inclined guide post drives the sliding block head to position the core pulling, the interference of uneven glue injection pressure on the core pulling is eliminated, and the product qualification rate and the production efficiency are improved.
Drawings
Fig. 1 is a schematic view of a fuel rail structure as indicated in the background art.
Fig. 2 is a schematic structural diagram of a core-pulling first fixing structure of an injection mold.
Fig. 3 is a schematic view of a bottom view structure of the injection mold core-pulling first fixing structure of the present invention.
Fig. 4 is a schematic view showing an installation state of the injection mold core-pulling pre-fixing structure on the rear mold.
Fig. 5 is a schematic view of a portion of fig. 1, showing a first slider and a profiled diagonal guide post.
Detailed Description
The invention is described in detail below with reference to the attached drawing figures:
Referring to fig. 2 to 5, the injection mold core-pulling first fixing structure comprises a first core-pulling unit 1 and a second core-pulling unit 2 which are arranged on a rear mold and an inclined guide post arranged on a front mold, wherein the second core-pulling unit 2 is positioned on one side of the first core-pulling unit 1, the first core-pulling unit 1 comprises a mounting seat 11, a first sliding block 12, a core-pulling 13 and a sliding block driving mechanism 3, the mounting seat 11 is fixed on the rear mold, the first sliding block 12 is arranged on the upper portion of the mounting seat 11, and a wear-resisting plate 14 is arranged at the bottom of the first sliding block 12. The wear plate 14 below the first slider 12 is fixed to the mounting seat 11, and the first slider 12 is in sliding fit with the wear plate 14 below.
The two sides of the first slide block 12 in the moving direction are symmetrically provided with slide block pressing plates 15, the slide block pressing plates 15 on the two sides of the first slide block 12 are fixedly connected with the mounting seat 11, the first slide block 12 is in sliding fit with the slide block pressing plates 15 on the two sides of the first slide block 12, and the slide block pressing plates 15 on the two sides of the first slide block 12 limit the slide block pressing plates to slide along the linear direction. The bottom of the first sliding block 12 is provided with a limiting clamp 16, the limiting clamp 16 is arranged on the wear-resisting plate 14 positioned below the first sliding block 12, and the limiting clamp 16 can be clamped into a clamping groove at the bottom of the first sliding block 12 to limit the sliding stroke of the limiting clamp relative to the wear-resisting plate 14. The installation seat 11 is provided with a slide block limit block 17 at one end of the travel of the first slide block 12, and under the condition that the limit clamp 16 fails, the first slide block 12 can be prevented from sliding continuously under the action of gravity, and damage or damage caused by collision with other parts can be avoided.
The slide block driving mechanism 3 is connected with one end of the first slide block 12, and drives the first slide block 12 to move along the constraint direction of the slide block pressing plate 15, the core pulling 13 is positioned at one end of the first slide block 12 opposite to the slide block driving mechanism 3, the core pulling 13 is of an elongated rod-shaped structure, and one end of the core pulling 13 is detachably and fixedly connected with the first slide block 12 through the core pulling seat 18 to form a cantilever-like structure. The slide block driving mechanism 3 comprises a core-pulling oil cylinder 31 and a pull rod 32, the core-pulling oil cylinder 31 is fixed at the bottom of the mounting seat 11, a fixed block 33 is arranged at the telescopic end of the core-pulling oil cylinder 31, the pull rod 32 is positioned at one side of the core-pulling oil cylinder 31, a guide rod 34 is arranged at the other side of the core-pulling oil cylinder 31, the guide rod 34 is parallel to the pull rod 32, and one ends of the guide rod 34 and the pull rod 32 are connected with the fixed block 33.
The guide rod 34 and the outside of the pull rod 32 are both provided with a guide sleeve 35, the guide sleeve 35 outside the pull rod 32 is fixed on the mounting seat 11, and the guide sleeve 35 outside the guide rod 34 is fixed on the rear die. The telescopic end of the core-pulling oil cylinder 31 drives the guide rod 34 and the pull rod 32 to move relative to the guide sleeve 35 outside the guide rod through the fixed block 33, and the guide rod 34 plays a role in balancing and guiding when the fixed block 33 drives the pull rod 32 to move. The installation seat 11 is provided with a first travel switch 6 and a second travel switch 7, the first travel switch 6 is positioned on one side of the travel of the first sliding block 12, the second travel switch 7 is positioned at the end part of the travel of the first sliding block 12, the first sliding block 12 is provided with a rod body 121 matched with the first travel switch 6 and the second travel switch 7, and the rod body 121 can be respectively contacted with the first travel switch 6 and the second travel switch 7 when moving along with the first sliding block 12.
The oblique guide post comprises two types, wherein one type is a special-shaped oblique guide post 4, the other type is a common oblique guide post 5, and one ends of the special-shaped oblique guide post 4 and the common oblique guide post 5 are fixedly connected with the front die. The cross section of the special-shaped inclined guide post 4 is square, and is integrally formed by a vertical part and an inclined part. The extending direction of the vertical portion coincides with the mold opening direction of the front mold, and the inclined portion is bent toward one side of the moving direction of the first slider 12 with respect to the vertical portion. The special-shaped oblique guide post 4 is matched with the first sliding block 12 and drives the first sliding block to move. Specifically, a special-shaped oblique guide post cavity 122 matched with the special-shaped oblique guide post 4 is formed in the first slider 12, and the vertical section of the special-shaped oblique guide post cavity 122 is of a right trapezoid structure. One side of the special-shaped oblique guide post cavity 122 is a straight inner wall matched with the vertical part of the special-shaped oblique guide post 4, and the other side is an oblique inner wall matched with the oblique part of the special-shaped oblique guide post 4. In the mold closing state, the vertical part of the special-shaped oblique guide pillar 4 is provided with a section positioned inside the special-shaped oblique guide pillar cavity 122.
The second core pulling unit 2 comprises a second sliding block 21 and a sliding block head 22, the second sliding block 21 is connected with the rear die in a sliding way, the bottom of the second sliding block 21 is also provided with a wear-resisting plate 14, and the wear-resisting plate 14 positioned below the second sliding block 21 is fixed on the rear die. The two sides of the second slide block 21 in the moving direction are symmetrically provided with slide block pressing plates 15, the slide block pressing plates 15 on the two sides of the second slide block 21 are fixedly connected with the rear mould, the second slide block 21 is in sliding fit with the slide block pressing plates 15 on the two sides of the second slide block 21, and the slide block pressing plates 15 on the two sides of the second slide block 21 limit the slide block pressing plates to slide along the linear direction. The bottom of the second sliding block 21 is also provided with a limiting clamp 16, the limiting clamp 16 is arranged on the wear-resistant plate 14 positioned below the second sliding block 21, and the limiting clamp 16 can be clamped into a clamping groove at the bottom of the second sliding block 21 to limit the sliding stroke of the limiting clamp relative to the wear-resistant plate 14. The rear mould is also provided with a slide block limiting block 17 at one end of the stroke of the second slide block 21.
The four sliding block heads 22 are sequentially fixed on one side, close to the core pulling 13, of the second sliding block 21 at intervals, the end parts of the sliding block heads 22 can be connected with the core pulling 13 in a plugging mode, positioning effects are achieved on the core pulling 13, and the phenomenon that the core pulling 13 is deviated to one side due to uneven pressure in a cavity in the injection molding process of the core pulling 13, so that a molded product piece is unqualified, is avoided. The cross section of the common inclined guide post 5 is circular, the included angle between the extending direction of the common inclined guide post 5 and the die opening direction of the front die is an acute angle, and a cavity of the common inclined guide post 5 matched with the common inclined guide post 5 is formed in the second sliding block 21. One end of the common inclined guide post 5 is fixedly connected with the front mould, and the other end of the common inclined guide post 5 can be matched with the second sliding block 21 in the cavity of the common inclined guide post 5 and drive the second sliding block to move.
The working principle of the invention is that after a product piece is molded in a cavity formed by matching a front mold and a rear mold, the front mold drives all inclined guide posts to move relative to the rear mold before the front mold and the rear mold are opened, a common inclined guide post 5 drives a second sliding block 21 to retreat, and the end parts of four sliding block heads 22 fixed on the second sliding block 21 are separated from a core pulling 13 and withdraw from the product piece. When the vertical part of the special-shaped inclined guide post 4 exits the special-shaped inclined guide post cavity 122 of the first slide block 12, the inclined part drives the first slide block 12 to retreat, the outer wall of the core pulling 13 is separated from the inner wall of the product piece under the driving force of the first slide block 12, and the first slide block 12 drives the core pulling 13 to retreat continuously. When the special-shaped inclined guide post 4 is separated from the first sliding block 12, the rod body 121 arranged on the first sliding block 12 is in contact with the first travel switch 6, the first travel switch 6 sends a signal to the core-pulling oil cylinder 31, the core-pulling oil cylinder 31 drives the first sliding block 12 to continuously move backwards through the pull rod 32, the core-pulling oil cylinder 31 is in an unpowered state in the process that the special-shaped inclined guide post 4 drives the first sliding block 12 to move, the first sliding block 12 drives the core-pulling 13 to completely withdraw from a product piece, the rod body 121 arranged on the first sliding block 12 is in contact with the second travel switch 7, the second travel switch 7 sends a signal to the core-pulling oil cylinder 31, the first sliding block 12 stops moving, and the mechanical arm takes the product piece out of the rear die.
Before the front mould and the rear mould are assembled, the core-pulling oil cylinder 31 drives the first slide block 12 to move forwards through the pull rod 32, and the core-pulling 13 moves together with the first slide block 12. When the first slider 12 moves to the point that the rod body 121 arranged on the first slider 12 is in contact with the first travel switch 6, the first travel switch 6 sends a signal to the core pulling cylinder 31, the first slider 12 stops moving, the front die and the rear die are clamped, the special-shaped oblique guide post 4 is firstly inserted into the special-shaped oblique guide post cavity 122 of the first slider 12, in the inserting process, the special-shaped oblique guide post 4 drives the first slider 12 to move forwards continuously, and when the inclined part of the special-shaped oblique guide post 4 is completely inserted into the special-shaped oblique guide post cavity 122 of the first slider 12, the first slider 12 stops moving. The front mould and the rear mould continue to be clamped, the common inclined guide post 5 is inserted into the second slide block 21 and drives the second slide block 21 to be close to the core pulling 13, and after the front mould and the rear mould are clamped, the end parts of four slide block heads 22 arranged on the second slide block 21 are inserted into the core pulling 13, so that the positioning of the core pulling 13 is realized.
It should be understood that the above description is not intended to limit the invention to the particular embodiments disclosed, but to limit the invention to the particular embodiments disclosed, and that the invention is not limited to the particular embodiments disclosed, but is intended to cover modifications, adaptations, additions and alternatives falling within the spirit and scope of the invention.
Claims (5)
1. The injection mold core pulling first fixing structure comprises a first core pulling unit, a second core pulling unit and an inclined guide post, wherein the first core pulling unit and the second core pulling unit are arranged on a rear mold, the inclined guide post is arranged on a front mold, the second core pulling unit is positioned on one side of the first core pulling unit, the first core pulling unit comprises a mounting seat, a first sliding block, a core pulling and a sliding block driving mechanism, the mounting seat is fixed on the rear mold, the first sliding block is arranged on the upper part of the mounting seat and is in sliding fit with the mounting seat;
the slide block driving mechanism comprises a core-pulling oil cylinder and a pull rod, wherein the core-pulling oil cylinder is fixed at the bottom of the mounting seat, and the telescopic end of the core-pulling oil cylinder is connected with one end of the pull rod through a fixed block;
The mounting seat is provided with a first travel switch and a second travel switch, the first travel switch is positioned on one side of the travel of the first sliding block, the second travel switch is positioned at the end part of the travel of the first sliding block, and the first sliding block is provided with a rod body matched with the first travel switch and the second travel switch;
The cross section of the special-shaped inclined guide post is square and is integrally formed by a vertical part and an inclined part, the extending direction of the vertical part is consistent with the die opening direction of the front die, and the inclined part is bent towards one side of the moving direction of the first sliding block relative to the vertical part;
the vertical section of the special-shaped inclined guide column cavity is of a right trapezoid structure, one side of the special-shaped inclined guide column cavity is a straight inner wall matched with the vertical part of the special-shaped inclined guide column, and the other side of the special-shaped inclined guide column cavity is an inclined inner wall matched with the inclined part of the special-shaped inclined guide column;
The cross section of the common inclined guide post is circular, the included angle between the extending direction of the common inclined guide post and the die opening direction of the front die is an acute angle, and a common inclined guide post cavity matched with the common inclined guide post is formed in the second sliding block;
When the vertical part of the special-shaped inclined guide post exits from the special-shaped inclined guide post cavity of the first sliding block, the inclined part drives the first sliding block to retreat, the outer wall of the core pulling is separated from the inner wall of the product piece under the driving force of the first sliding block, the first sliding block drives the core pulling to retreat, when the special-shaped inclined guide post is separated from the first sliding block, a rod body arranged on the first sliding block is contacted with a first travel switch, the first travel switch sends a signal to the core pulling cylinder, the core pulling cylinder drives the first sliding block to continuously move backwards through a pull rod, and the core pulling cylinder is in a unpowered state in the moving process of the special-shaped inclined guide post;
The front die and the rear die are matched, the core-pulling oil cylinder drives the first sliding block to move forwards through the pull rod, the core-pulling oil cylinder moves along with the first sliding block, when the first sliding block moves to the position that a rod body arranged on the first sliding block contacts with the first travel switch, the first travel switch sends a signal to the core-pulling oil cylinder, the first sliding block stops moving, the front die and the rear die are matched, the special-shaped inclined guide pillar is firstly inserted into a special-shaped inclined guide pillar cavity of the first sliding block, the special-shaped inclined guide pillar drives the first sliding block to move forwards in the inserting process, when the inclined part of the special-shaped inclined guide pillar is completely inserted into the special-shaped inclined guide pillar cavity of the first sliding block, the first sliding block stops moving, the front die and the rear die continue to be matched, the common inclined guide pillar is inserted into the second sliding block, the second sliding block is driven to be close to core-pulling, and after the front die and the rear die are matched, the end parts of four sliding block heads arranged on the second sliding block are inserted into the core-pulling cylinder, so that the core-pulling is positioned.
2. The loose core pre-fixing structure of the injection mold according to claim 1, wherein wear-resisting plates are arranged at the bottoms of the first sliding block and the second sliding block, the wear-resisting plates below the first sliding block are fixed on the mounting seat, the wear-resisting plates below the second sliding block are fixed on the rear mold, and limiting clamps are arranged at the bottoms of the first sliding block and the second sliding block and are mounted on the wear-resisting plates.
3. The injection mold core-pulling pre-fixing structure according to claim 1, wherein the first sliding block and the second sliding block are located at two sides of the moving direction of the first sliding block and the second sliding block, and are respectively provided with a sliding block pressing plate which is in sliding fit with corresponding sides of the first sliding block and the second sliding block.
4. The injection mold core-pulling pre-fixing structure according to claim 1, wherein the installation seat is provided with a sliding block limiting block at one end of the first sliding block stroke, and the rear mold is also provided with a sliding block limiting block at one end of the second sliding block stroke.
5. The injection mold core pulling pre-fixing structure according to claim 1, wherein one end of each inclined guide post is fixedly connected with the front mold, and one end of the core pulling is detachably and fixedly connected with the first sliding block through the core pulling seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811618996.7A CN109501166B (en) | 2018-12-28 | 2018-12-28 | Injection mold core pulling first fixed structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811618996.7A CN109501166B (en) | 2018-12-28 | 2018-12-28 | Injection mold core pulling first fixed structure |
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| CN109501166A CN109501166A (en) | 2019-03-22 |
| CN109501166B true CN109501166B (en) | 2025-02-18 |
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| CN109927235B (en) * | 2019-04-16 | 2024-02-20 | 南基塑胶模具(深圳)有限公司 | Plastic mold for molding by inserting metal sheet and processing method thereof |
| CN110406040B (en) * | 2019-07-18 | 2024-08-23 | 青岛海泰科模具有限公司 | Rear bumper injection mold of front mold slide block mechanism driven by inclined top |
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| CN206796436U (en) * | 2017-04-11 | 2017-12-26 | 宁波神通模塑有限公司 | A kind of core-pulling mechanism of injection mold |
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| CN209350818U (en) * | 2018-12-28 | 2019-09-06 | 青岛海泰科模具有限公司 | Injection mold core pulling elder generation fixed structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7381051B2 (en) * | 2006-01-24 | 2008-06-03 | Cheng Uei Precision Industry Co., Ltd. | Core-pulling mechanism and injection mold with the same |
| CN206351533U (en) * | 2016-12-07 | 2017-07-25 | 深圳创维精密科技有限公司 | A kind of core-pulling mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206796436U (en) * | 2017-04-11 | 2017-12-26 | 宁波神通模塑有限公司 | A kind of core-pulling mechanism of injection mold |
| CN208100856U (en) * | 2018-03-30 | 2018-11-16 | Tcl通力电子（惠州）有限公司 | Die core pulling device and plastic mould |
| CN108819136A (en) * | 2018-08-28 | 2018-11-16 | 宁波四维尔工业有限责任公司 | A kind of vehicle fuel track injection mold |
| CN209350818U (en) * | 2018-12-28 | 2019-09-06 | 青岛海泰科模具有限公司 | Injection mold core pulling elder generation fixed structure |
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