CN218928435U

CN218928435U - Injection mold capable of rapidly replacing mold for producing raw material spline

Info

Publication number: CN218928435U
Application number: CN202222764801.8U
Authority: CN
Inventors: 许明
Original assignee: Changchun Faway Tong Yang Automobile Plastic Components Co Ltd
Current assignee: Changchun Faway Tong Yang Automobile Plastic Components Co Ltd
Priority date: 2022-10-20
Filing date: 2022-10-20
Publication date: 2023-04-28
Anticipated expiration: 2032-10-20

Abstract

The utility model discloses an injection mold capable of quickly changing mold for producing raw material sample bars, which relates to the technical field of injection molding and comprises a fixed panel, a movable cavity plate, a core plate and a bottom plate, wherein the movable cavity plate is used for injection molding and is connected with the panel; the utility model does not need to detach the injection mold from the injection molding machine for mold replacement, can quickly replace the mold, greatly reduces the cost, improves the production efficiency and the production stability, can completely realize automatic production, and shortens the production period of products.

Description

Injection mold capable of rapidly replacing mold for producing raw material spline

Technical Field

The utility model relates to the technical field of injection molding, in particular to an injection mold capable of rapidly changing molds for producing raw material sample bars.

Background

In the prior art, the spline is produced initially to detect the shrinkage rate of the raw material, and in order to ensure that laboratories can conveniently detect other properties of the raw material, the spline with various different shapes needs to be produced rapidly, while a traditional mold structure is adopted, the mold needs to be detached from an injection molding machine, and a new core insert is changed.

Therefore, there is a need to design an injection mold that produces raw material splines that can be quickly changed to mold the spline.

Disclosure of Invention

Aiming at the problems in the prior art, the utility model provides the injection mold capable of quickly changing the mold for producing the raw material spline, which can quickly change the mold and save the production cost.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides an injection mold of but quick die change of production raw materials spline, includes fixed panel, connects movable die cavity board and core, the bottom plate that is used for moulding plastics of panel, the core sets up on the bottom plate, be equipped with detachable core insert on the core, the core is inserted and is connected with condenser tube, be equipped with the spline groove of moulding plastics on the core insert, still be equipped with on the core and be used for fixing the locking portion of core insert.

Preferably, the locking part comprises a fixed handle and a locking block, wherein the locking block is used for fixing the core insert, and the fixed handle is used for fixing the locking block.

In a preferred aspect of the present utility model, guide flanges are formed on both sides of the core insert.

Preferably, the core plate is provided with a baffle plate, and the baffle plate is connected with the guide flange and used for guiding the core insert to slide in the core plate.

Preferably, the core insert is provided with a handle which is convenient to mount and dismount.

Preferably, the utility model further comprises a limiting part for limiting the die opening stroke.

Preferably, the fit tolerance of the baffle plate and the guide flange is 0.02-0.05mm.

By adopting the technical scheme, compared with the prior art, the utility model has the beneficial effects that:

1. according to the injection mold capable of quickly changing the mold for producing the raw material spline, the injection mold does not need to be detached from an injection molding machine to be changed, the mold can be quickly changed, one production process is completely reduced, the labor cost, the logistics cost and the space cost are greatly reduced, and the production efficiency and the production stability are improved;

2. the injection mold capable of quickly changing the mold for producing the raw material spline has the advantages of simple structure, convenience in use, automatic falling of products and stub bars after the mold opening action is finished, and complete automatic production without increasing the investment of a manipulator;

3. the injection mold capable of quickly changing the mold for producing the raw material sample strip reduces the influence of human factors on the quality of the product, realizes automatic production, shortens the whole production period of the product, and is applicable to all sample strip injection molds.

Drawings

Other objects and attainments together with a more complete understanding of the utility model will become apparent and appreciated by referring to the following description taken in conjunction with the accompanying drawings. In the drawings:

FIG. 1 is a side view of the present utility model;

FIG. 2 is a cross-sectional view A-A of FIG. 1;

FIG. 3 is a partial structural view of the present utility model;

FIG. 4 is a side view of the utility model in an open mold;

wherein reference numerals include: the mold comprises a face plate 1, a cavity plate 2, a core plate 3, a bottom plate 4, a core insert 5, a cooling water pipe 6, a locking part 7, a limiting part 8, a baffle plate 31, a spline injection groove 51, a guide flange 52, a handle 53, a fixed handle 71, a locking block 72, a fixed pin 81 and a bar-shaped hole 82.

Detailed Description

The following description of the embodiments of the present utility model will be made in detail and with reference to the accompanying drawings, wherein it is apparent that the embodiments described are only some, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, 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. It is noted that all of the figures are exemplary representations. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The utility model will now be described in further detail by way of specific examples of embodiments in connection with the accompanying drawings.

Referring to fig. 1 to 4, an injection mold capable of rapidly changing mold for producing raw material splines comprises a panel 1, a cavity plate 2, a core plate 3, a bottom plate 4, a core insert 5, a cooling water pipe 6, a locking part 7 and a limiting part 8, wherein the panel 1 is a fixed mold, the cavity plate 2 and the core plate 3 are movable molds, the cavity plate 2 and the core plate 3 are connected with the panel 1 and can move by means of an injection molding machine to open and close molds, the core plate 3 is arranged on the bottom plate 4, the core plate 3 is provided with a detachable core insert 5, the core insert 5 is similar to a sliding block, and can be rapidly inserted into the core plate 3 or rapidly pulled out from the core plate 3, so that the accurate positioning of the core insert 5 in the injection molding process can be ensured, the core insert 5 is connected with the cooling water pipe 6, and the locking part 7 for fixing the core insert 5 is further arranged on the core plate 3, and the limiting part 8 limits the opening stroke of the mold by a fixing pin 81 and a strip-shaped hole 82.

The spline injection groove 51 is formed in the core insert 5, the spline injection groove 51 is symmetrically formed in a general mode, the spline injection groove 51 can be in different shapes such as a bar shape, a round shape and a dumbbell shape, splines in different shapes are used for meeting various performances of laboratory detection raw materials, guide flanges 52 are formed on two sides of the core insert 5, meanwhile, a baffle plate 31 is arranged on the core plate 3, the baffle plate 31 is connected with the guide flanges 52, the baffle plate 31 is used for guiding the core insert 5 to slide in the core plate 3, the matching tolerance of the baffle plate 31 and the guide flanges 52 is 0.02-0.05mm, if the baffle plate 31 is matched with the guide flanges 52 too tightly, when the core insert 5 is replaced, pulling out the core insert 5 is difficult, if the baffle plate 31 is matched with the guide flanges 52 too loosely, the positioning difference of the core insert 5 is not easy to take out or insert the core insert 5, a handle 53 which is convenient to install and detach the core insert 5 is arranged on the core insert 5, and the handle 53 is convenient to install and detach the core insert 5 manually, so that the requirement of quick die insert 53 can be quickly pulled out.

The locking part 7 comprises a fixed handle 71 and a locking block 72, wherein the locking block 72 is used for fixing the core insert 5, and the fixed handle 71 is used for fixing the locking block 72.

The working principle of the present utility model will be described below with reference to fig. 1 to 4.

The key steps of the work of the utility model are as follows: mold closing injection molding, mold opening, spline product falling off, removing a cooling water pipe 6 on a core insert 5, releasing a locking part 7 of the core insert 5, pulling out the core insert 5 by using a handle 53 of the core insert 5, replacing a new core insert 5 (guiding along a baffle 31), locking the core insert 5, connecting the cooling water pipe 6, and mold closing injection molding. That is, after the production of one set of spline products is completed, the mold replacement of another set of splines is required to be completed on the injection molding machine, firstly, the cooling water pipe 6 of the core insert 5 is required to be pulled out, the fixed handle 71 is released, the locking block 72 is rotated by 90 degrees, the core insert 5 is pulled out through the handle 53, then the core insert 5 of the other set of splines is inserted into the core plate 3 under the limitation of the baffle plate 31 through the guide flange 52, then the locking block 72 is rotated, the fixed handle 71 is locked, the replacement of a new core insert 5 is completed, and the core inserts 5 of the other spline shapes can be replaced according to the same steps. Before replacing the core insert 5, the cooling water pipe 6 must be pulled out first, then the locking part 7 is released, and care must be taken to ensure that the locking part 7 and the handle 53 of the core insert 5 must be at the operation side in a state where the mold is mounted on the injection molding machine, so that the operation is convenient, and after the core insert 5 is mounted, the locking part 7 must be readjusted to the locking state.

After injection molding is finished, the injection mold is provided with the limiting part 8 for controlling the mold opening stroke because of the two parting processes, the separation distance between the first cavity plate 2 and the core plate 3 is 105mm, the separation distance between the second surface plate 1 and the cavity plate 2 is 110mm, spline products and stub bars remain on one side of the cavity plate 2 after the first parting process, and after the mold opening operation is finished after the second parting process, the designed auxiliary air passage is used for blowing air, so that the spline products and the stub bars are completely and freely separated from the core insert 5.

The foregoing is merely illustrative embodiments of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art can easily think about variations or substitutions within the technical scope of the present utility model, and the utility model should be covered. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims

1. The utility model provides an injection mold of but quick die change of production raw materials spline, includes fixed panel, connects movable die cavity board and core, the bottom plate that is used for moulding plastics of panel, the core sets up on the bottom plate, its characterized in that is equipped with detachable core insert on the core, the core is inserted and is connected with condenser tube, be equipped with the spline groove of moulding plastics on the core insert, still be equipped with on the core and be used for fixing the locking portion of core insert.

2. The quick-change injection mold for producing raw material splines of claim 1, wherein the locking portion comprises a fixed handle for fixing the core insert and a locking block for fixing the locking block.

3. The quick-change injection mold for producing feedstock splines of claim 1, wherein guide flanges are formed on both sides of the core insert.

4. A rapid returnable injection mold for producing feedstock splines as claimed in claim 3, wherein a baffle is provided on the core plate, said baffle being connected to the guide flange for guiding the sliding of the core insert within the core plate.

5. The injection mold capable of quickly changing mold for producing raw material splines according to claim 1, wherein a handle for facilitating the installation and the removal of the core insert is provided on the core insert.

6. The quick-change injection mold for producing raw material splines of claim 1, further comprising a stop portion for limiting the mold opening stroke.

7. The rapid returnable injection mold for producing raw material splines of claim 4, wherein the fitting tolerance of the baffle plate and the guide flange is 0.02-0.05mm.