CN219360189U

CN219360189U - Injection mold takes off material mouth structure and takes off material device

Info

Publication number: CN219360189U
Application number: CN202223286376.2U
Authority: CN
Inventors: 赖炳君
Original assignee: Dongguan Lianzhou Technology Co ltd
Current assignee: Dongguan Lianzhou Technology Co ltd
Priority date: 2022-12-06
Filing date: 2022-12-06
Publication date: 2023-07-18
Anticipated expiration: 2032-12-06

Abstract

The utility model relates to the technical field of injection molds, and particularly provides a material removing opening structure and a material removing device of an injection mold, wherein the material removing opening structure of the injection mold comprises a feeding pipe, an annular pipe and a core-pulling core, and the annular pipe is connected with the feeding pipe; the annular pipe is provided with an inner diameter wall and an outer diameter wall which are sequentially arranged from inside to outside, and the inner diameter wall is provided with a feed inlet; the core-pulling core is inserted into the annular pipe; the core pulling core is provided with an outer side wall, the outer side wall is abutted with the inner diameter wall, and a groove corresponding to the feed inlet is formed in the outer side wall. The utility model has simple and compact structure, the feed inlet is separated from the product conveniently, and the glue injection port of the separated product does not influence the appearance of the product, and the product does not need to be processed flatly later.

Description

Injection mold takes off material mouth structure and takes off material device

Technical Field

The utility model relates to the technical field of injection molds, in particular to a stripping opening structure of an injection mold and a stripping device.

Background

The existing antenna rod sleeve shell injection mold is mainly in a direct glue feeding mode, and a common direct glue feeding mode product and a water gap are required to be manually broken and then processed to be smooth. The automatic water gap cutting and product separating can be realized by adopting the in-mold cutter structure mode, but the mold is complex in structure, the whole volume of the mold is larger, the cutter is a movable part, the requirement on workpiece matching machining precision is higher, abrasion is easy to occur, the situation of moving is not in place, uneven glue running of injection molding is caused, and finally, the quality of the product is abnormal. The existing structure is high in overall processing and manufacturing cost and maintenance cost.

Disclosure of Invention

The utility model aims to provide a stripping opening structure and a stripping device of an injection mold, which are simple and compact in structure, and convenient for stripping a feeding opening from a product, and the product appearance cannot be influenced by a glue injection opening of the stripped product, so that subsequent processing is not required to be smooth.

In order to solve the technical problems, the utility model provides an injection mold stripping opening structure, comprising:

a feed pipe;

the annular pipe is connected with the feeding pipe; the annular pipe is provided with an inner diameter wall and an outer diameter wall which are sequentially arranged from inside to outside, and the inner diameter wall is provided with a feed inlet;

the core-pulling core is inserted into the annular pipe; the core pulling core is provided with an outer side wall, the outer side wall is abutted with the inner diameter wall, and a groove corresponding to the feeding port is formed in the outer side wall.

According to the injection mold stripping opening structure, the injection mold stripping opening structure has at least the following beneficial effects:

the injection mold stripping structure is provided with the annular pipe and the core-pulling core, the feed inlet is formed in the inner diameter wall of the annular pipe, the core-pulling core is provided with the groove corresponding to the feed inlet, the core-pulling core is inserted into the cavity of the mold, the cavity matched with the feed inlet and the groove can be filled with glue, after the glue injection is cooled, the mold is opened, the core-pulling core is pulled out of a product, the groove and the feed inlet can be misplaced, and the separation of the groove and the glue injection port of the product is realized; the structure is simple and compact, the feeding hole is not in direct contact with the glue injection hole of the product, the feeding hole is separated from the product conveniently, and after the separation, the glue injection hole of the product is positioned on the inner wall of the glue injection hole, so that the appearance of the product is not influenced, and the subsequent processing is not required to be smooth.

Optionally, the annular tube and the core-pulling core are respectively provided with a plurality of annular tubes, and the annular tubes are sequentially arranged along the long axis direction of the feeding tube; the core pulling cores are arranged in one-to-one correspondence with the annular pipes.

Optionally, two feeding ports and two grooves are respectively formed, and the two feeding ports are symmetrically arranged by taking the feeding pipe as a central line; the grooves are arranged in one-to-one correspondence with the feed inlets.

Optionally, the core of loosing core includes linkage segment and water conservancy diversion section that connects gradually, the linkage segment inserts and locates the annular pipe.

Optionally, the pipe diameter of the annular pipe is smaller than the pipe diameter of the feeding pipe.

Optionally, the groove is in a ladder column type structure.

Optionally, the annular tube is provided with a buffer groove corresponding to the groove, and the feed inlet is provided on the side wall of the buffer groove.

The utility model also provides a stripping device which comprises the injection mold stripping opening structure.

Optionally, the stripping device further comprises a bracket, a core pulling mechanism and a rear mold insert; the rear die insert is arranged on the bracket, a through hole is formed in the rear die insert, and one end of the core-pulling core, which is far away from the die, is inserted into the through hole; the core pulling mechanism is connected with the core pulling core.

Optionally, the slide has been seted up to the support, core pulling mechanism is including the hydraulic cylinder of loosing core, loose core connecting rod and loose core coupling assembling that connect gradually, loose core coupling assembling slidable install in the slide, loose core coupling assembling with loose core one end that the mould was kept away from to the core is connected.

Optionally, the core-pulling connecting assembly is provided with a connecting clamping groove, the core-pulling connecting rod is provided with a connecting clamping block, and the connecting clamping block is inserted into the connecting clamping groove.

Optionally, the loose core coupling assembling is including connecting base, loose core base and the base briquetting that connects gradually.

Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

Fig. 1 is a schematic structural diagram of an injection mold stripping port structure provided by an embodiment of the utility model;

fig. 2 is a partial enlarged view of a stripping opening structure of an injection mold according to an embodiment of the present utility model;

fig. 3 is a schematic structural diagram of a stripping device according to an embodiment of the present utility model;

fig. 4 is a partial enlarged view of a stripping device according to an embodiment of the present utility model.

Reference numerals:

1. a core-pulling hydraulic cylinder; 2. a core-pulling connecting rod; 3. the base is connected; 4. a core pulling base; 5. a base pressing block; 6. a rear mold insert; 7. an annular tube; 8. a groove; 9. a feed pipe; 10. core pulling cores; 11. a product; 12. a buffer tank; 13. and a feed inlet.

Detailed Description

The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.

In the description of the present application, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present application and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.

In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art in a specific context.

Referring to fig. 1 and 2, the preferred embodiment of the utility model provides a stripping opening structure of an injection mold, which comprises a feeding pipe 9, an annular pipe 7 and a core-pulling core 10, wherein the annular pipe 7 is connected with the feeding pipe 9; the annular pipe 7 is provided with an inner diameter wall and an outer diameter wall which are sequentially arranged from inside to outside, and the inner diameter wall is provided with a feed inlet 13; the core-pulling core 10 is inserted into the annular tube 7; the core 10 has an outer wall which abuts against the inner wall, and a groove 8 corresponding to the feed port 13 is formed in the outer wall.

The use of above-mentioned injection mold takes off material mouth structure, core 10 inserts in locating the die cavity of outside mould, outside injecting glue machine begins to carry hot glue material to inlet pipe 9, hot glue material gets into recess 8 through feed inlet 13, spill over recess 8 again and flow into the die cavity of mould along the lateral wall of core 10 of loosing core, after until product 11 cooling shaping, open the mould, core 10 of loosing core and annular pipe 7 relative motion for recess 8 misplaces with feed inlet 13, realize the breaking away from of recess 8 and product 11 injecting glue mouth, also realize feed inlet 13 and product 11 break away from, and product 11's injecting glue mouth is located its inner wall, be difficult for being observed, can not influence its outward appearance.

It should be noted that, the annular tube 7 is an existing annular tube, and is connected end to end, so that it has an annular structure, and will not be described here. The annular tube 7 may be integrally formed with the feed tube 9.

In some preferred embodiments of the present utility model, the annular tube 7 and the core-pulling core 10 are respectively provided in plurality, and the plurality of annular tubes 7 are sequentially arranged along the long axis direction of the feed tube 9; the core-pulling cores 10 are arranged in one-to-one correspondence with the annular pipes 7. Thus, a plurality of products 11 can be injected simultaneously, and the production efficiency is improved.

In some preferred embodiments of the present utility model, two feed inlets 13 and two grooves 8 are respectively provided, and the two feed inlets 13 are symmetrically arranged with the feed pipe 9 as a central line; the grooves 8 are arranged in one-to-one correspondence with the feed inlets 13. In this way, a uniform distribution of the hot glue to the mould cavity is ensured, ensuring the quality of the shaping of the product 11.

In some preferred embodiments of the present utility model, the core 10 includes a connection section and a diversion section connected in sequence, and the connection section is inserted into the annular tube 7. Thus, the flow stability of the hot sizing material is ensured, the injection molding is facilitated, and the quality of the product 11 is ensured.

In some preferred embodiments of the utility model, the diameter of the annular tube 7 is smaller than the diameter of the feed tube 9.

In some preferred embodiments of the utility model, the recess 8 is of a stepped configuration. So, can ensure that hot glue flows into the die cavity of mould from recess 8 to when follow-up recess 8 misplaced with feed inlet 13, make things convenient for product 11 injecting glue mouth and recess 8 separation.

In some preferred embodiments of the present utility model, the annular tube 7 is provided with a buffer groove 12 corresponding to the groove 8, and the feed port 13 is provided on a side wall of the buffer groove 12. Therefore, when the core-pulling core 10 is pulled in a direction away from the annular tube 7, the buffer groove 12 can provide a certain deformation space, and the problem that part of the glue at the feed inlet 13 is broken is avoided.

Further, the buffer groove 12 may be a through hole penetrating the annular tube 7.

Referring to fig. 3 and 4, the preferred embodiment of the present utility model further provides a stripping device, including an injection mold stripping port structure as defined in any one of the above.

In some preferred embodiments of the present utility model, the stripping device further comprises a bracket, a core pulling mechanism and a rear mold insert 6; the rear die insert 6 is arranged on the bracket, the rear die insert 6 is provided with a through hole, and one end of the core-pulling core 10, which is far away from the die, is inserted into the through hole; the core-pulling mechanism is connected with the core-pulling core 10. So, can drive core 10 of loosing core through the mechanism of loosing core and remove towards the direction of keeping away from product 11, back mould mold insert 6 can block annular tube 7 for core 10 of loosing core is for annular tube 7 slides, and then realizes recess 8 and feed inlet 13 dislocation, also realizes recess 8 and product 11's injecting glue mouth dislocation, realizes automatic breaking away from, improves production efficiency, reduces the cost of labor.

In some preferred embodiments of the utility model, the support is provided with a slide way, the core-pulling mechanism comprises a core-pulling hydraulic oil cylinder 1, a core-pulling connecting rod 2 and a core-pulling connecting assembly which are sequentially connected, the core-pulling connecting assembly is slidably arranged on the slide way, and the core-pulling connecting assembly is connected with one end of the core 10, which is far away from the die. In this way, the core-pulling hydraulic oil cylinder 1 drives the core-pulling connecting rod 2 to retract, the core-pulling connecting rod 2 drives the core-pulling connecting assembly, and the core-pulling connecting assembly drives the core-pulling core 10 and the annular pipe 7 to move relatively.

In some preferred embodiments of the present utility model, the core-pulling connection assembly is provided with a connection clamping groove, and the core-pulling connection rod 2 is provided with a connection clamping block, and the connection clamping block is inserted into the connection clamping groove. In this way, the core-pulling connecting assembly can be conveniently connected with the core-pulling connecting rod 2.

In some preferred embodiments of the present utility model, the loose core connection assembly includes a connection base 3, a loose core base 4, and a base press block 5, which are sequentially connected.

The preferred embodiment of the utility model provides a stripping opening structure and a stripping device of an injection mold, which are compared with the prior art:

the injection mold stripping structure is provided with the annular pipe 7 and the core-pulling core 10, the feed port 13 is formed in the inner diameter wall of the annular pipe 7, the core-pulling core 10 is provided with the groove 8 corresponding to the feed port 13, the core-pulling core 10 is inserted into the cavity of the mold, the cavity matched with the feed port 13 and the groove 8 can be filled with glue, after the glue injection is cooled, the mold is opened, the core-pulling core 10 is pulled out of the product 11, the groove 8 and the feed port 13 can be misplaced, and the separation of the groove 8 and the glue injection port of the product 11 is realized; the structure is simple and compact, the feeding hole 13 is not in direct contact with the glue injection hole of the product 11, the feeding hole 13 is separated from the product 11 conveniently, and after the separation, the glue injection hole of the product 11 is positioned on the inner wall of the glue injection hole, so that the appearance of the product 11 is not influenced, and the subsequent processing is not required to be smooth.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present utility model, and these modifications and substitutions should also be considered as being within the scope of the present utility model.

Claims

1. The utility model provides an injection mold takes off material mouth structure which characterized in that includes:

a feed pipe (9);

a ring pipe (7), wherein the ring pipe (7) is connected with the feeding pipe (9); the annular pipe (7) is provided with an inner diameter wall and an outer diameter wall which are sequentially arranged from inside to outside, and the inner diameter wall is provided with a feed inlet (13);

the core pulling core (10) is inserted into the annular tube (7); the core pulling core (10) is provided with an outer side wall, the outer side wall is abutted with the inner diameter wall, and a groove (8) corresponding to the feeding port (13) is formed in the outer side wall.

2. The injection mold stripper gate structure of claim 1, wherein: the annular pipes (7) and the core pulling cores (10) are respectively provided with a plurality of annular pipes (7) which are sequentially arranged along the long axis direction of the feeding pipe (9); the core pulling cores (10) are arranged in one-to-one correspondence with the annular pipes (7).

3. The injection mold stripper gate structure of claim 1, wherein: two feed inlets (13) and two grooves (8) are respectively formed, and the two feed inlets (13) are symmetrically arranged by taking the feed pipe (9) as a central line; the grooves (8) are arranged in one-to-one correspondence with the feeding holes (13).

4. The injection mold stripper gate structure of claim 3, wherein: the core pulling core (10) comprises a connecting section and a flow guiding section which are sequentially connected, and the connecting section is inserted into the annular pipe (7).

5. The injection mold stripper gate structure of claim 1, wherein: the groove (8) is of a ladder column type structure.

6. The injection mold stripper gate structure of claim 1, wherein: the annular tube (7) is provided with a buffer groove (12) corresponding to the groove (8), and the feeding port (13) is arranged on the side wall of the buffer groove (12).

7. A take off material device, its characterized in that: comprising an injection mold stripper gate structure according to any one of claims 1-6.

8. The stripping apparatus as recited in claim 7, wherein: the stripping device also comprises a bracket, a core pulling mechanism and a rear mold insert (6); the rear die insert (6) is arranged on the bracket, a through hole is formed in the rear die insert (6), and one end, far away from the die, of the core-pulling core (10) is inserted into the through hole; the core pulling mechanism is connected with the core pulling core (10).

9. The stripping apparatus as recited in claim 8, wherein: slide has been seted up to the support, core pulling mechanism is including hydraulic cylinder (1), connecting rod (2) and the coupling assembling of loosing core that connect gradually, the coupling assembling slidable install in the slide of loosing core, the coupling assembling with core (10) of loosing core keep away from the one end of mould and be connected.

10. The stripping apparatus as claimed in claim 9, wherein: the core-pulling connecting assembly is provided with a connecting clamping groove, the core-pulling connecting rod (2) is provided with a connecting clamping block, and the connecting clamping block is inserted into the connecting clamping groove.