Internal gear sleeve cover injection mold

Abstract

The utility model relates to the field of inner gear sleeve cover production, and discloses an inner gear sleeve cover injection mold which comprises a mold plate, an injection molding hole is formed in one side of the mold plate, the rear side of the outer wall of the mold plate is connected with a connecting mold through a bolt, an installation cavity is formed in the front side of the outer wall of a molding plate, a rotating mechanism is arranged in the installation cavity, and the connecting mold is connected with the molding plate through a bolt. A mounting cavity is formed in the forming plate, a forming mold is arranged in the mounting cavity, a plurality of forming cavities are formed in one side of the forming mold, a flow guide groove is formed in one side of the forming mold, a plurality of connecting pieces are arranged between the forming mold and the forming plate, and a base is connected to the rear side of the outer wall of the forming plate through bolts. According to the inner gear sleeve cover forming device, through matched use of the forming plate, the rotating mechanism, the forming cavity, the flow guide groove and the connecting piece, the situation that bubbles or air holes are generated in the inner gear sleeve cover is prevented, then the appearance and quality of the inner gear sleeve cover can be improved, and therefore the overall performance and reliability of the inner gear sleeve cover are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of the production of internal gear sleeve covers, and particularly relates to an injection mold for internal gear sleeve covers. Background Technique

[0002] The internal gear sleeve cover is an important component used in the mechanical transmission system, usually used on the transmission shaft or other mechanical shafts. Its main function is to protect the parts inside the mechanical transmission system from the external environment, and can effectively enclose and fix the gears or other moving parts on the mechanical shaft. This kind of sleeve cover is usually made of plastic or metal materials, has good wear resistance and corrosion resistance, and can work stably for a long time in different working environments. The internal gear sleeve cover is usually formed by an injection mold.

[0003] At present, during the injection molding process of most internal gear sleeve covers, the situation of uneven raw material filling may occur, so there are the following disadvantages: it is easy to generate bubbles or pores in the internal gear sleeve cover, which will further reduce the appearance and quality of the internal gear sleeve cover, resulting in the reduction of the overall performance and reliability of the internal gear sleeve cover. Content of the Utility Model

[0004] The purpose of the utility model is to provide an injection mold for internal gear sleeve covers to solve the problems that bubbles or pores are easily generated in the internal gear sleeve cover, which will further reduce the appearance and quality of the internal gear sleeve cover, resulting in the reduction of the overall performance and reliability of the internal gear sleeve cover.

[0005] To achieve the above-mentioned utility model purpose, the utility model adopts the following technical solutions: an injection mold for internal gear sleeve covers, including a template, an injection hole is opened on one side of the template, a connecting mold is connected to the rear side of the outer wall of the template by bolts, a forming plate is connected to the rear side of the outer wall of the connecting mold by bolts, an installation cavity is opened on the front side of the outer wall of the forming plate, a rotating mechanism is arranged inside the installation cavity, a forming mold is arranged inside the installation cavity, a plurality of forming cavities are opened on one side of the forming mold, a diversion groove is opened on one side of the forming mold, a plurality of connecting pieces are arranged between the forming mold and the forming plate, and a base is connected to the rear side of the outer wall of the forming plate by bolts.

[0006] Preferably, a moving plate is movably arranged inside the base, and a plurality of ejecting parts are fixed on the front side of the moving plate.

[0007] Preferably, a plurality of springs are fixed between the moving plate and the forming plate.

[0008] Preferably, a plurality of limiting holes are respectively opened on one side of the forming plate and the connecting mold, a plurality of limiting columns are fixed on the front side of the outer wall of the base, and the plurality of limiting columns are respectively slidably inserted into the plurality of limiting holes.

[0009] Preferably, two cooling rods are respectively arranged inside the connecting mold and the forming plate.

[0010] Preferably, a baffle plate is arranged inside the injection hole, a baffle post is fixed on the rear side of the baffle plate, and the baffle post is slidably inserted into the injection hole.

[0011] Compared with the prior art, an injection mold for an internal gear sleeve cover adopting the above technical scheme has the following

[0012] Beneficial effects:

[0013] First, in use, through the combined use of the forming plate, the rotating mechanism, the forming cavity, the diversion groove and the connecting piece, it is beneficial to prevent the generation of bubbles or pores in the internal gear sleeve cover, thereby improving the appearance and quality of the internal gear sleeve cover, and thus improving the overall performance and reliability of the internal gear sleeve cover;

[0014] Second, in use, through the moving plate and the ejecting piece, it is beneficial to eject the formed internal gear sleeve cover from the inside of the forming cavity, which is convenient for the staff to take it better and provides convenience. The spring is beneficial to play a buffering and rebounding role, making the contact between the moving plate and the forming plate more stable, reducing the impact, and improving the service life;

[0015] Third, in use, through the limiting hole and the limiting post, it is beneficial to ensure the stable position relationship between the components, ensuring the accurate positioning and precision of the mold. The cooling rod plays a role in cooling the connecting mold and the forming plate, which helps to quickly cool and solidify the material, so that the staff can more easily take out the finished product. Through the baffle plate and the baffle post, it is beneficial to block the inside of the injection hole, preventing impurities such as dust from entering the inside of the injection hole, improving the cleanliness of the inside of the injection hole, and thus improving the injection quality. Description of the Drawings

[0016] Figure 1 It is a three-dimensional schematic diagram of the embodiment.

[0017] Figure 2 It is an exploded schematic diagram of the embodiment.

[0018] Figure 3 It is an exploded schematic diagram of the forming plate and the moving plate in the embodiment.

[0019] Figure 4 It is of the embodiment Figure 2 Enlarged schematic diagram of part A.

[0020] In the figure: 1, template; 2, injection hole; 3, connecting mold; 4, forming plate; 5, installation cavity; 6, rotating mechanism; 7, forming mold; 8, forming cavity; 9, diversion groove; 10, connecting piece; 11, base; 12, moving plate; 13, ejector; 14, spring; 15, limiting hole; 16, limiting column; 17, cooling rod; 18, baffle plate; 19, baffle column. Detailed implementation mode

[0021] The following will describe in detail the preferred embodiments of the present utility model with reference to the accompanying drawings.

[0022] As Figures 1 - 4 shown, an injection mold for an internal gear sleeve cover includes a template 1, an injection hole 2 is opened on one side of the template 1, a connecting mold 3 is connected to the rear side of the outer wall of the template 1 by bolts, a forming plate 4 is connected to the rear side of the outer wall of the connecting mold 3 by bolts, an installation cavity 5 is opened on the front side of the outer wall of the forming plate 4, a rotating mechanism 6 is arranged inside the installation cavity 5, a forming mold 7 is arranged inside the installation cavity 5, a plurality of forming cavities 8 are opened on one side of the forming mold 7, a diversion groove 9 is opened on one side of the forming mold 7, a plurality of connecting pieces 10 are arranged between the forming mold 7 and the forming plate 4, and a base 11 is connected to the rear side of the outer wall of the forming plate 4 by bolts.

[0023] During use, when using the injection mold for the internal gear sleeve cover, first, the raw material needs to be put into the barrel of the injection molding machine, and the raw material is melted into a molten state by heating and the rotation of the screw. Then, the molten raw material is injected into the injection hole 2 through the pressure system of the injection molding machine. During the injection process, the molten plastic will flow into the forming cavity 8 through the diversion groove 9 to form the shape of the internal gear sleeve cover. At the same time, the rotating mechanism 6 can control the rotation of the connecting piece 10, so that the plastic in the forming cavity 8 can be evenly filled and cooled, and the base 11 provides the stability and support force for the entire mold.

[0024] By the combined use of the forming plate 4, the rotating mechanism 6, the forming cavity 8, the diversion groove 9 and the connecting piece 10, it is beneficial to prevent the generation of bubbles or pores in the internal gear sleeve cover, thereby improving the appearance and quality of the internal gear sleeve cover, and thus improving the overall performance and reliability of the internal gear sleeve cover.

[0025] As Figures 1 - 3 shown, a movable moving plate 12 is arranged inside the base 11, and a plurality of ejectors 13 are fixed on the front side of the moving plate 12.

[0026] During use, the formed internal gear sleeve cover can be ejected from the inside of the forming cavity 8 by the moving plate 12 and the ejectors 13, which is convenient for the staff to take it better and provides convenience.

[0027] As Figures 1 - 3As shown in the figure, several springs 14 are fixed between the moving plate 12 and the forming plate 4. Several limiting holes 15 are respectively formed on one side of the forming plate 4 and the connecting mold 3. Several limiting columns 16 are fixed on the front side of the outer wall of the base 11, and the several limiting columns 16 are respectively slidably inserted into the several limiting holes 15.

[0028] In use, the springs 14 are beneficial to play a role in buffering and rebounding, making the contact between the moving plate 12 and the forming plate 4 more stable, reducing impact, and improving the service life. Through the limiting holes 15 and the limiting columns 16, it is beneficial to ensure the stable position relationship between the components, ensuring the accurate positioning and precision of the mold.

[0029] As Figures 1 - 3 shown in the figure, two cooling rods 17 are respectively arranged inside the connecting mold 3 and the forming plate 4. A baffle plate 18 is arranged inside the injection hole 2. A baffle post 19 is fixed on the rear side of the baffle plate 18, and the baffle post 19 is slidably inserted into the injection hole 2.

[0030] In use, the cooling rods 17 play a role in cooling the connecting mold 3 and the forming plate 4, which helps to quickly cool and solidify the material, making it easier for the staff to take out the finished product. Through the baffle plate 18 and the baffle post 19, it is beneficial to block the inside of the injection hole 2, preventing dust and other impurities from entering the inside of the injection hole 2, improving the cleanliness inside the injection hole 2, and thus improving the injection quality.

[0031] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution of the present invention and its inventive concept, makes equivalent substitutions or changes, and all should be covered within the protection scope of the present invention.

Claims

1. An internal gear sleeve cover injection mold, comprising a mold plate (1), characterized in that: An injection hole (2) is provided on one side of the template (1); a connecting mold (3) is connected to the rear side of the outer wall of the template (1) by bolts; a molding plate (4) is connected to the rear side of the outer wall of the connecting mold (3) by bolts; a mounting cavity (5) is provided on the front side of the outer wall of the molding plate (4); a rotating mechanism (6) is provided inside the mounting cavity (5); a molding mold (7) is provided inside the mounting cavity (5); a plurality of molding cavities (8) are provided on one side of the molding mold (7); a guide groove (9) is provided on one side of the molding mold (7); a plurality of connecting members (10) are provided between the molding mold (7) and the molding plate (4); and a base (11) is connected to the rear side of the outer wall of the molding plate (4) by bolts.

2. The internal gear sleeve cover injection mold according to claim 1, characterized in that: A movable plate (12) is movably arranged inside the base (11), and a plurality of ejection members (13) are fixed on the front side of the movable plate (12).

3. The internal gear sleeve cover injection mold according to claim 2, characterized in that: A plurality of springs (14) are fixed between the moving plate (12) and the forming plate (4).

4. The internal gear sleeve cover injection mold according to claim 3, characterized in that: A plurality of limiting holes (15) are respectively provided on one side of the forming plate (4) and the connecting mold (3); a plurality of limiting columns (16) are fixed on the front side of the outer wall of the base (11); and the plurality of limiting columns (16) are respectively slidably inserted into the plurality of limiting holes (15).

5. The internal gear sleeve cover injection mold according to claim 1, characterized in that: Two cooling rods (17) are respectively arranged inside the connecting mold (3) and the forming plate (4).

6. The internal gear sleeve cover injection mold according to claim 5, characterized in that: A blocking plate (18) is provided inside the injection hole (2), a blocking column (19) is fixed to the rear side of the blocking plate (18), and the blocking column (19) is slidably inserted in the injection hole (2).

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