CN211843022U - Spring type side core-pulling mechanism - Google Patents

Spring type side core-pulling mechanism Download PDF

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Publication number
CN211843022U
CN211843022U CN202020209048.4U CN202020209048U CN211843022U CN 211843022 U CN211843022 U CN 211843022U CN 202020209048 U CN202020209048 U CN 202020209048U CN 211843022 U CN211843022 U CN 211843022U
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CN
China
Prior art keywords
core
spring
support
shaping
slider
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN202020209048.4U
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Chinese (zh)
Inventor
宋世林
刘洪生
唐宏伟
魏威
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yaan Fanhua Tooling Mould Co ltd
Original Assignee
Yaan Fanhua Tooling Mould Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Yaan Fanhua Tooling Mould Co ltd filed Critical Yaan Fanhua Tooling Mould Co ltd
Priority to CN202020209048.4U priority Critical patent/CN211843022U/en
Application granted granted Critical
Publication of CN211843022U publication Critical patent/CN211843022U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to an injection mold manufacturing and designing field discloses a spring side mechanism of loosing core, including fixing a piece on movable mould benevolence, install the shaping slider on a piece, shaping slider accessible spring structure carries out the side operation of loosing core to the part, and shaping slider one end is equipped with the side shaping chamber that stretches into the injection mold die cavity, and the shaping slider other end can with fix the wedging piece wedging assembly on the cover half benevolence. The utility model provides a current side mechanism of loosing core loose the core distance long, can not be convenient carry out the problem of the operation of loosing core of inclining to small-size part.

Description

Spring type side core-pulling mechanism
Technical Field
The utility model relates to an injection mold manufacturing and designing field specifically indicates a spring side mechanism of loosing core.
Background
The mould is various moulds and tools for obtaining required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production. In short, a mold is a tool used to make a shaped article, the tool being made up of various parts, different molds being made up of different parts. Wherein the injection mold is a tool for producing plastic products and also a tool for giving the plastic products complete structure and precise dimensions. Injection molding is a process used to mass produce parts of some complex shapes. Specifically, the plastic melted by heating is injected into a mold cavity from an injection molding machine at high pressure, and a formed product is obtained after cooling and solidification.
The common injection molding machine only has one mold opening direction, so the injection mold also has only one mold opening direction, but a plurality of core pulling directions are needed on the mold because the side wall of a plurality of plastic products is provided with through holes, grooves or bosses, and the core pulling of the side surfaces must be completed before the plastic parts are demolded. The mechanism which can complete side core pulling before demoulding of the product, ensure that the product can be safely demoulded and can be completely reset after demoulding of the product is called a side core pulling mechanism. The side core-pulling mechanism is simply a mold opening mechanism which is inconsistent with the mold opening direction of the movable mold and the fixed mold. The basic principle is to convert the vertical movement of opening and closing the die into the lateral movement.
When the existing side core-pulling mechanism is used for side core-pulling operation of a part with a small size, the existing side core-pulling mechanism has the problems that the core-pulling distance is long and the side core-pulling operation of the small part cannot be conveniently carried out due to the fact that the existing side core-pulling mechanism is overlarge in structural size.
SUMMERY OF THE UTILITY MODEL
Based on above technical problem, the utility model provides a spring side mechanism of loosing core has solved current side mechanism of loosing core and has loosed core the distance long, the problem of the operation of loosing core that inclines to small-size part that can not be convenient.
For solving the above technical problem, the utility model discloses a technical scheme as follows:
the utility model provides a spring side mechanism of loosing core, is including fixing the piece that props up on movable mould benevolence, installs the shaping slider on the piece, and shaping slider accessible spring structure carries out the side operation of loosing core to the part, and shaping slider one end is equipped with the side shaping chamber that stretches into the injection mold die cavity, and the shaping slider other end can be assembled with the wedging piece wedging of fixing on the cover half benevolence.
The utility model discloses in, at the compound die in-process, movable mould benevolence rebound presses close to the fixed mould benevolence gradually, and the wedge face and the shaping slider laminating of wedging piece slide to promote the shaping slider to slide to injection mold die cavity direction, spring structure compression energy storage this moment. When the die assembly is completed, the upper surface of the movable die core is attached to the lower surface of the fixed die core, and the side molding cavity of the molding slide block moves in place to be combined with the rest of the cores to form a molding cavity. Simultaneously, the wedging block can also be wedged with the forming slide block, so that the situation that when glue is injected into the cavity, the glue body pushes the slide block to cause the slide block to move so as to enable the forming structure to shift to cause the deformation of an injection molding product and influence the forming quality is avoided. After the glue injection is finished and formed in a cooling mode, the movable mold core and the fixed mold core are separated, the movable mold core moves downwards to be separated from the fixed mold core, at the moment, the spring structure releases and stores elasticity, the spring structure guides the forming sliding block to slide towards the direction far away from the cavity of the injection mold, the forming sliding block is separated from the plastic product, the forming structure is prevented from influencing the injection molding product, and therefore the injection molding product can be safely demoulded. The spring structure can make the mould simple structure, compactness, conveniently is used for on the short small-size part of distance of loosing core.
As a preferred mode, the spring structure comprises a first support and a second support which are arranged on the forming sliding block at intervals, the forming sliding block penetrates through holes formed in the first support and the second support, a spring is sleeved on the forming sliding block, one end of the spring, which is located between the first support and the second support, abuts against the inner side surface of the second support, and the other end of the spring abuts against the boss end surface of the forming sliding block.
As a preferred mode, a limiting pin is arranged on the first support, and the limiting pin extends into a waist-shaped hole formed in the forming slide block to limit the core pulling distance of the forming slide block.
As a preferred mode, the wedging block and the fixed mold core are pressed and fixed in an interference fit mode, and the upper end of the wedging block is provided with a positioning block which is matched and clamped with the clamping groove of the fixed mold core.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the utility model discloses a spring structure is as the power of loosing core of side mechanism of loosing core, can effectively reduce the size of the side structure of loosing core to reduce the distance of loosing core, solved current side mechanism of loosing core loose core the distance long, can not be convenient carry out the problem of the operation of loosing core of inclining to small-size part.
(2) The utility model discloses the spring structure is through the power that the side of spring elastic energy storage was loosed core as the mould, has given up the mode that parts such as adoption guide post carried out the side operation of loosing core among the current side mechanism of loosing core to this has reduced the overall dimension of mould, makes whole mould simple structure, compactness.
Drawings
Fig. 1 is the assembly structure diagram of the present invention.
Fig. 2 is a schematic structural diagram of the present invention.
Fig. 3 is a schematic structural diagram of the wedge block.
Fig. 4 is a schematic view of the assembly structure of the present invention (removing the movable mold core and the fixed mold core).
The wedge-caulking-type sliding block comprises a wedge-caulking block 1, a forming sliding block 2, a support block 3, a first support 301, a second support 302, a spring 4, a limiting pin 5, a waist-shaped hole 6 and a positioning block 7.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more apparent, the technical solutions of the embodiments of the present disclosure will be described clearly and completely with reference to the drawings of the embodiments of the present disclosure. It is to be understood that the described embodiments are only a few embodiments of the present disclosure, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the disclosure without any inventive step, are within the scope of protection of the disclosure.
Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of "first," "second," and similar terms in this disclosure is not intended to indicate any order, quantity, or importance, but rather is used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
Example 1:
referring to fig. 1-4, a spring 4 formula side mechanism of loosing core, including fixing the piece 3 that props up on movable mould benevolence, install shaping slider 2 on the piece 3, shaping slider 2 accessible spring structure carries out the side operation of loosing core to the part, and 2 one ends of shaping slider are equipped with the side shaping chamber that stretches into the injection mold die cavity, and 2 other ends of shaping slider can be assembled with the wedging piece 1 wedging of fixing on the cover half benevolence.
The utility model discloses in, at the compound die in-process, movable mould benevolence rebound presses close to the fixed mould benevolence gradually, and the wedge face and the laminating of shaping slider 2 of wedging piece 1 slide to promote shaping slider 2 to slide to injection mold die cavity direction, spring structure compression energy storage this moment. When the die assembly is completed, the upper surface of the movable die core is attached to the lower surface of the fixed die core, and the side molding cavity of the molding slide block 2 moves in place to be combined with the rest of the cores to form a molding cavity. Simultaneously the wedging block 1 also can wedge with the shaping slider 2 tightly, avoids when injecting glue to the die cavity, and the colloid promotes the slider and leads to the slider to remove and make the shaping structure aversion cause injection molding goods to warp, influences the shaping quality. After the glue injection is finished and formed through cooling, the movable mold core and the fixed mold core are separated, the movable mold core moves downwards and is separated from the fixed mold core, at the moment, the spring structure releases and stores elasticity, the spring structure guides the forming slide block 2 to slide in the direction away from the cavity of the injection mold, so that the forming slide block 2 is separated from the plastic product, the injection molding product is prevented from being influenced by the forming structure, and the injection molding product can be safely demoulded. The spring structure can make the mould simple structure, compactness, conveniently is used for on the short small-size part of distance of loosing core.
As a preferable mode, the spring 4 structure includes a first bracket 301 and a second bracket 302 arranged on the forming slider 2 at an interval, the forming slider 2 passes through holes arranged on the first bracket 301 and the second bracket 302, the forming slider 2 is sleeved with the spring 4, one end of the spring 4 is positioned between the first bracket 301 and the second bracket 302 and abuts against the inner side surface of the second bracket 302, and the other end abuts against the boss end surface of the forming slider 2.
In the mold closing process, the forming slide block 2 slides towards the cavity direction of the injection mold through the through holes of the first bracket 301 and the second bracket 302 under the action of the wedge block 1, and at the moment, the spring 4 is compressed to store energy under the action of the boss and the second bracket 302. After injection molding is completed, in the mold splitting process, the wedge-caulking block 1 is separated from the forming slide block 2, and the spring 4 is reset to push the forming slide block 2 to the direction far away from the cavity of the injection mold so that the forming slide block 2 is separated from an injection molding part to complete side core-pulling operation. The spring structure is used as the power for the side core pulling of the mold through the elastic energy storage of the spring 4, and the mode of side core pulling operation by adopting components such as guide columns in the existing side core pulling mechanism is eliminated, so that the overall size of the mold is reduced, and the whole mold is simple and compact in structure.
As a preferable mode, the first bracket 301 is provided with a limit pin 5, and the limit pin 5 extends into the kidney-shaped hole 6 formed in the forming slider 2 to limit the core-pulling distance of the forming slider 2. The core pulling distance of the side core pulling mechanism is limited through the action of the limiting pin 5 and the waist-shaped hole 6, and the phenomenon that the side core pulling mechanism exceeds the limit of the core pulling distance is avoided.
As an optimal mode, the wedging block 1 and the fixed mold core are pressed and fixed in an interference fit mode, and the upper end of the wedging block 1 is provided with a positioning block 7 which is clamped in the fixed mold core clamping groove in an adaptive mode. The positioning block 7 is clamped in the clamping groove and can position the wedging blocks 1, so that the lower ends of the wedging blocks 1 are aligned after installation.
The embodiment of the present invention is the above. The above embodiments and the specific parameters in the embodiments are only for the purpose of clearly showing the verification process of the utility model, and are not used to limit the patent protection scope of the utility model, the patent protection scope of the utility model is still subject to the claims, all the equivalent structural changes made by using the contents of the specification and the drawings of the utility model are included in the protection scope of the utility model.

Claims (4)

1. The utility model provides a spring side mechanism of loosing core which characterized in that: including fixing a piece (3) on movable mould benevolence, install shaping slider (2) on a piece (3), the operation of loosing core is moved to the side to the part to shaping slider (2) accessible spring structure, shaping slider (2) one end is equipped with the side shaping chamber that stretches into the injection mold die cavity, shaping slider (2) other end can assemble with wedge compact piece (1) wedge on fixing the cover half benevolence.
2. The spring type side core pulling mechanism according to claim 1, characterized in that: the spring structure comprises a first support (301) and a second support (302) which are arranged on a forming sliding block (2) at intervals, the forming sliding block (2) penetrates through holes formed in the first support (301) and the second support (302), a spring (4) is sleeved on the forming sliding block (2), and one end of the spring (4) is located between the first support (301) and the second support (302) and abuts against the inner measuring surface of the second support (302) and the other end of the spring abuts against the boss end surface of the forming sliding block (2).
3. The spring type side core pulling mechanism according to claim 2, characterized in that: be equipped with spacer pin (5) on first support (301), spacer pin (5) stretch into waist type hole (6) that shaping slider (2) established and carry on spacingly to the distance of loosing core of shaping slider (2).
4. The spring type side core pulling mechanism according to claim 1, characterized in that: the wedge tight block (1) is fixed with the fixed mold core in a pressing fit mode through interference fit, and a positioning block (7) which is clamped with the fixed mold core clamping groove in a matched mode is arranged at the upper end of the wedge tight block (1).
CN202020209048.4U 2020-02-25 2020-02-25 Spring type side core-pulling mechanism Expired - Fee Related CN211843022U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020209048.4U CN211843022U (en) 2020-02-25 2020-02-25 Spring type side core-pulling mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020209048.4U CN211843022U (en) 2020-02-25 2020-02-25 Spring type side core-pulling mechanism

Publications (1)

Publication Number Publication Date
CN211843022U true CN211843022U (en) 2020-11-03

Family

ID=73248954

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020209048.4U Expired - Fee Related CN211843022U (en) 2020-02-25 2020-02-25 Spring type side core-pulling mechanism

Country Status (1)

Country Link
CN (1) CN211843022U (en)

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Granted publication date: 20201103