Injection mold for peripheral plastic parts of computer

Abstract

The utility model discloses a computer peripheral plastic part injection mold which comprises a mold base plate, a mold cover plate and an electric telescopic rod, the mold cover plate is rotationally connected to one side above the mold base plate, an injection molding hole is formed in the surface of the mold cover plate, a plastic part cavity is formed in the surface of the mold base plate, and the electric telescopic rod is arranged in the plastic part cavity. An electric telescopic rod is fixed to the surface of the front side of the mold base plate, a positioning clamping block is fixed to the upper portion of the electric telescopic rod, sealing strips are fixed to the corners of the mold cover plate, a limiting groove is formed in the middle of the mold cover plate, and a cooling cavity is formed in the mold base plate. According to the injection mold for the computer peripheral plastic parts, through the use of a cooling water inlet, a cooling cavity and a cooling water outlet in the side face of the mold base plate, water can be conveniently supplemented to a vertical cavity and a transverse cavity in the cold cutting cavity, so that the periphery of a mold core in the inner mold is rapidly cooled, and the molding rate of the mold core is increased; and the production efficiency of the die is improved.

Description

Technical Field

[0001] The utility model relates to the technical field related to injection molds, in particular to an injection mold for computer peripheral plastic parts. Background Art

[0002] Computer peripheral plastic parts are one of the important accessories on the computer, such as plastic back panels, port dust covers and chassis feet, etc. When they are produced, they need to be processed by injection molds;

[0003] The existing publication number CN112440444A discloses an injection mold for a display stand housing, comprising a lower mold plate, an upper mold shell is provided at the upper end of the lower mold plate, a connecting screw is embedded and installed in the lower mold plate, the connecting screw is threadedly connected to the upper mold shell, a storage side groove is drilled at the upper end of the lower mold plate, a reaction bar frame is provided in the storage side groove, a threaded hole penetrated by the connecting screw is drilled at the outer end of the reaction bar frame, a built-in cavity is drilled in the reaction bar frame, a pre-sealed paper is fixedly connected to the inner wall of the built-in cavity, and a compression spring located at the lower side of the pre-sealed paper is fixedly connected to the bottom end of the built-in cavity;

[0004] The above document utilizes the sealing effect of lubricating oil to reduce the phenomenon of local oxidation of the finished product when it comes into contact with the air after demolding, and with the help of the external sealing frame, the possibility of the generated oxygen leaking to the outside can be reduced; however, when the above injection mold is in use, the molding rate of the internal core is slow, and when demolding, the internal core is difficult to be discharged quickly. Therefore, we propose a computer peripheral plastic parts injection mold to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide an injection mold for computer peripheral plastic parts to solve the problems raised by the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a computer peripheral plastic parts injection mold, comprising a mold chassis, a mold cover and an electric telescopic rod, the upper side of the mold chassis is rotatably connected with the mold cover, and the surface of the mold cover is provided with an injection hole, the surface of the mold chassis is provided with a plastic part cavity, the front side surface of the mold chassis is fixed with an electric telescopic rod, and the upper part of the electric telescopic rod is fixed with a positioning block, the end surface of the mold cover is fixed with a limiting sleeve, the corners of the mold cover are fixed with a sealing strip, and the middle part of the mold cover is provided with a limiting groove, one side of the mold chassis is connected with a cooling water inlet, and the surface of the cooling water inlet is provided with an inlet control valve, the interior of the mold chassis is provided with a cooling cavity, and the bottom side of the mold chassis is connected with a cooling water drain, the surface of the cooling water drain is provided with a drain control valve, and the mold chassis is provided with an installation groove group in the middle of the plastic part cavity, and the installation groove group is provided with a material lifting component.

[0007] Preferably, a sealing groove engaged with the sealing strip is provided on the upper surface of the mold chassis.

[0008] By adopting the above technical solution, the sealing performance of the mold closing of the device can be conveniently improved through the coordinated use of the sealing strip and the sealing groove above the mold bottom plate.

[0009] Preferably, the electric telescopic rod, the positioning block and the limiting sleeve are each provided in three groups, the upper portion of the positioning block is provided in an inclined shape, and the positioning block and the limiting sleeve are provided in a one-to-one corresponding engagement.

[0010] By adopting the above technical solution, the inclined positioning block can be driven to combine with the limiting sleeve through the electric telescopic rod, so as to fix the mold cover plate to the mold chassis after rotation.

[0011] Preferably, the cooling cavity is composed of a vertical cavity and a horizontal cavity, the vertical cavity is located outside the plastic part cavity, the horizontal cavity is located at the bottom of the plastic part cavity, and the bottom of the vertical cavity is connected to the horizontal cavity.

[0012] By adopting the above technical solution, the interconnected vertical cavity and horizontal cavity can be used in conjunction with the cooling water inlet and the cooling water outlet, so as to facilitate the rapid cooling of the core inside the mold and the discharge of cooling water.

[0013] Preferably, the material lifting assembly consists of an upper frame and a lower frame, the upper frame is located above the lower frame, and the upper frame and the lower frame are integrated, the upper frame and the lower frame are both arranged in a "cross" shape, and the length of the lower frame is greater than the length of the upper frame.

[0014] By adopting the above technical solution, the upper frame and the lower frame can be used on the lifting assembly to draw the upper frame and the lower frame out of the installation slot group, so as to bring out the core and facilitate the demoulding of the core.

[0015] Preferably, the installation slot group consists of an upper slot and a lower slot, the upper slot is located in the middle of the plastic part cavity, and a lower slot located on the surface of the plastic part cavity is provided below the upper slot.

[0016] The above technical solution can facilitate the combination of the upper slot and the upper frame, and the lower slot and the lower frame.

[0017] Preferably, the connection between the upper slot and the upper frame, as well as the connection between the lower slot and the lower frame, are snap-fit ​​connections, the upper portion of the upper frame protrudes above the plastic part cavity in the middle of the mold chassis, and the portion of the upper frame that protrudes from the plastic part cavity forms a snap-fit ​​connection with the limiting groove in the middle of the mold cover.

[0018] By adopting the above technical solution, the mold cover plate can be conveniently clamped on the upper frame above the protruding plastic part cavity after the mold is closed, so as to facilitate the mold closing of the device.

[0019] Compared with the prior art, the utility model has the following beneficial effects: the computer peripheral plastic parts injection mold,

[0020] (1) The cooling water inlet, cooling cavity and cooling water outlet on the side of the mold chassis can be used to conveniently replenish water for the vertical cavity and the horizontal cavity inside the cold cutting cavity, so as to quickly cool down the periphery of the core inside the internal mold, improve the molding rate of the core, and improve the production efficiency of the mold;

[0021] (2) The upper and lower racks on the lifting assembly can be conveniently removed from the mounting groove group in the middle of the plastic part cavity by installing the Cao group in conjunction with the lifting assembly, so that the lower rack can lift the core out of the mold to quickly discharge the core, thereby improving the use effect of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0023] Figure 2 This is a schematic diagram of the structure of the utility model when viewed from above;

[0024] Figure 3 This is a schematic diagram of the front cross-sectional structure of the utility model;

[0025] Figure 4 This is a schematic diagram of the connection structure between the positioning card block and the limiting card sleeve of the utility model;

[0026] Figure 5 This is a schematic diagram of the structure of the installation slot group of the utility model;

[0027] Figure 6 It is a schematic diagram of the structure of the material lifting component of the utility model.

[0028] In the figure: 1. mold chassis; 2. mold cover; 3. injection hole; 4. plastic part cavity; 5. electric telescopic rod; 6. positioning block; 7. limit sleeve; 8. sealing strip; 9. limit groove; 10. cooling water inlet; 11. inlet control valve; 12. cooling cavity; 1201, vertical cavity; 1202, horizontal cavity; 13. cooling water drain; 14. drain control valve; 15, sealing groove; 16. lifting assembly; 1601, upper shelf; 1602, lower shelf; 17. installation slot group; 1701, upper slot; 1702, lower slot. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] See also Figure 1-6 The utility model provides a technical solution: a computer peripheral plastic injection mold, comprising a mold chassis 1, a mold cover 2 and an electric telescopic rod 5, the upper side of the mold chassis 1 is rotatably connected with the mold cover 2, and the surface of the mold cover 2 is provided with an injection hole 3, the surface of the mold chassis 1 is provided with a plastic part cavity 4, and the upper surface of the mold chassis 1 is provided with a sealing groove 15 engaged with a sealing strip 8, which can be used in conjunction with the sealing strip 8 and the sealing groove 15 above the mold chassis 1, so as to improve the mold clamping of the device. In order to improve the sealing performance, an electric telescopic rod 5 is fixed to the front side surface of the mold chassis 1, and a positioning block 6 is fixed above the electric telescopic rod 5. A limiting sleeve 7 is fixed to the end surface of the mold cover plate 2. The electric telescopic rod 5, the positioning block 6 and the limiting sleeve 7 are all provided in three groups. The upper part of the positioning block 6 is inclined. The positioning block 6 and the limiting sleeve 7 are arranged in a one-to-one corresponding engagement. The inclined positioning block 6 can be driven by the electric telescopic rod 5 to combine with the limiting sleeve 7, so as to fix the mold cover plate 2 to the mold chassis 1 after rotation;

[0031] See also Figure 1-6, a sealing strip 8 is fixed to the corners of the mold cover plate 2, and a limiting groove 9 is provided in the middle of the mold cover plate 2, a cooling water inlet 10 is connected to one side of the mold chassis 1, and a water inlet control valve 11 is installed on the surface of the cooling water inlet 10, a cooling cavity 12 is arranged inside the mold chassis 1, and a cooling water drain 13 is arranged on one side of the bottom of the mold chassis 1, the cooling cavity 12 is composed of a vertical cavity 1201 and a horizontal cavity 1202, the vertical cavity 1201 is located on the outside of the plastic part cavity 4, the horizontal cavity 1202 is located at the bottom of the plastic part cavity 4, and the lower part of the vertical cavity 1201 is connected to the horizontal cavity 1202, and the cooling water inlet 10 and the cooling water drain 13 can be used in conjunction with the connected vertical cavity 1201 and the horizontal cavity 1202, so as to facilitate the rapid cooling of the core inside the mold, and also facilitate the discharge and discharge of cooling water;

[0032] See also Figure 1-6 A drain control valve 14 is installed on the surface of the cooling water drain port 13. A mounting groove group 17 is opened on the mold chassis 1 in the middle of the plastic part cavity 4, and a lifting assembly 16 is arranged on the mounting groove group 17. The lifting assembly 16 consists of an upper frame 1601 and a lower frame 1602. The upper frame 1601 is located above the lower frame 1602, and the upper frame 1601 and the lower frame 1602 are integrated. The upper frame 1601 and the lower frame 1602 are both arranged in a "cross" shape. The length of the lower frame 1602 is greater than the length of the upper frame 1601. The upper frame 1601 and the lower frame 1602 can be used on the lifting assembly 16 to make the upper frame 1601 and the lower frame 1602 be pulled out from the mounting groove group 17 so as to bring out the core and facilitate the demoulding of the core. The mounting groove group 17 is composed of an upper frame 1601 and a lower frame 1602. The upper slot 1701 is located in the middle of the plastic part cavity 4, and the lower slot 1702 is arranged below the upper slot 1701 and is located on the surface of the plastic part cavity 4, which can facilitate the upper slot 1701 to be combined with the upper frame 1601 and the lower slot 1702 to be combined with the lower frame 1602. The connection method of the upper slot 1701 and the upper frame 1601 as well as the lower slot 1702 and the lower frame 1602 is a snap-fit ​​connection. The upper part of the upper frame 1601 protrudes above the plastic part cavity 4 in the middle of the mold chassis 1, and the part of the upper frame 1601 protruding from the plastic part cavity 4 forms a snap-fit ​​connection with the limiting groove 9 in the middle of the mold cover plate 2, which facilitates the mold cover plate 2 to clamp the upper frame 1601 protruding above the plastic part cavity 4 after the mold is closed, so as to facilitate the closing of the device.

[0033] Working principle: First, when in use, by rotating the mold cover plate 2, the sealing strip 8 on the surface of the mold cover plate 2 is inserted into the sealing groove 15 on the upper surface of the mold chassis 1, and then by opening the electric telescopic rod 5, the positioning block 6 at the upper end of the electric telescopic rod 5 is inserted into the limiting sleeve 7 on the side of the mold cover plate 2. The positioning block 6 is arranged in an inclined shape to cooperate with the limiting sleeve 7, which is convenient for the fixed mold of the device, and then the injection molding material is discharged into the interior of the plastic part cavity 4 through the external injection machine;

[0034] After injection molding, the cooling water can be discharged into the cooling cavity 12 inside the mold chassis 1 through the cooling water inlet 10. The cooling cavity 12 is composed of a vertical cavity 1201 and a horizontal cavity 1202, which can conveniently cool the side and bottom of the core to increase the molding rate of the core, and the cooling water inside the cooling cavity 12 can be discharged through the cooling water drain port 13 at the bottom of the mold chassis 1;

[0035] When discharging materials, the mold cover 2 can be opened first, and then the upper frame 1601 on the lifting assembly 16 in the middle of the plastic part cavity 4 can be pulled, so that the upper frame 1601 drives the lower frame 1602 to be discharged from the lower slot 1702 and the upper slot 1701 on the installation slot group 17, so that the lower frame 1602 can discharge the core from the plastic part cavity 4 in the mold chassis 1, which is convenient for the discharge of the core. This is the operating principle of the computer peripheral plastic part injection mold.

[0036] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A computer peripheral plastic part injection mold, comprising a mold chassis (1), a mold cover (2) and an electric telescopic rod (5), characterized in that: The upper side of the mold chassis (1) is rotatably connected to a mold cover plate (2), and the surface of the mold cover plate (2) is provided with an injection hole (3), and the surface of the mold chassis (1) is provided with a plastic part cavity (4), and the front side surface of the mold chassis (1) is fixed with an electric telescopic rod (5), and the upper part of the electric telescopic rod (5) is fixed with a positioning block (6), the end surface of the mold cover plate (2) is fixed with a limiting sleeve (7), the corners of the mold cover plate (2) are fixed with a sealing strip (8), and the middle part of the mold cover plate (2) is provided with a limiting groove (9), A cooling water inlet (10) is connected to one side of the mold chassis (1), and an inlet control valve (11) is installed on the surface of the cooling water inlet (10); a cooling cavity (12) is arranged inside the mold chassis (1), and a cooling water drain (13) is connected to one side of the bottom of the mold chassis (1), and a drain control valve (14) is installed on the surface of the cooling water drain (13); a mounting groove group (17) is opened in the middle of the plastic part cavity (4) on the mold chassis (1), and a material lifting component (16) is arranged on the mounting groove group (17).

2. The computer peripheral plastic parts injection mold according to claim 1, characterized in that: The upper surface of the mold bottom plate (1) is provided with a sealing groove (15) which is engaged with the sealing strip (8).

3. The computer peripheral plastic parts injection mold according to claim 1, characterized in that: The electric telescopic rod (5), the positioning block (6) and the limiting sleeve (7) are all provided in three groups. The upper part of the positioning block (6) is arranged in an inclined shape. The positioning block (6) and the limiting sleeve (7) are arranged in a one-to-one corresponding engagement.

4. The computer peripheral plastic parts injection mold according to claim 1, characterized in that: The cooling cavity (12) is composed of a vertical cavity (1201) and a horizontal cavity (1202); the vertical cavity (1201) is located outside the plastic part cavity (4); the horizontal cavity (1202) is located at the bottom of the plastic part cavity (4); and the bottom of the vertical cavity (1201) is connected to the horizontal cavity (1202).

5. The computer peripheral plastic parts injection mold according to claim 1, characterized in that: The material lifting component (16) is composed of an upper frame (1601) and a lower frame (1602), wherein the upper frame (1601) is located above the lower frame (1602), and the upper frame (1601) and the lower frame (1602) are integrated, and the upper frame (1601) and the lower frame (1602) are both arranged in a "cross" shape, and the length of the lower frame (1602) is greater than the length of the upper frame (1601).

6. The computer peripheral plastic parts injection mold according to claim 1, characterized in that: The installation slot group (17) is composed of an upper slot (1701) and a lower slot (1702), wherein the upper slot (1701) is located in the middle of the plastic part cavity (4), and a lower slot (1702) located on the surface of the plastic part cavity (4) is provided below the upper slot (1701).

7. The computer peripheral plastic parts injection mold according to claim 6, characterized in that: The connection method between the upper notch (1701) and the upper frame (1601) as well as the connection method between the lower notch (1702) and the lower frame (1602) is a snap-fit ​​connection. The upper portion of the upper frame (1601) protrudes above the plastic part cavity (4) in the middle of the mold chassis (1). The portion of the upper frame (1601) that protrudes from the plastic part cavity (4) forms a snap-fit ​​connection with the limiting groove (9) in the middle of the mold cover plate (2).

Images