Injection mold with positioning and mold sticking prevention functions

Abstract

The utility model discloses an injection mold with positioning and mold sticking prevention functions, and relates to the field of injection molds. An injection mold with positioning and mold sticking preventing functions comprises a base, the upper end of the base is fixedly connected with a lower mold, a material ejecting plate is arranged in the lower mold, an upper mold is arranged at the upper end of the lower mold, a fixing plate, a lifting assembly and a material ejecting assembly are arranged above the upper mold, the lifting assembly is located on the fixing plate, and the material ejecting assembly is located on the lifting assembly. The lifting assembly is located in the base and used for driving the upper die to move, the material ejecting assembly is located in the base and used for driving a material ejecting plate to move, and the lifting assembly comprises a hydraulic rod. The injection mold solves the technical problems that an existing injection mold does not have the ejection function, when people use the injection mold, a formed part cannot be ejected out, the formed part in the injection mold is prone to being adhered to the inner wall, demolding is prone to being difficult, and people cannot use the injection mold conveniently.

Description

Technical Field

[0001] This utility model relates to the field of injection molds, and in particular to an injection mold with a positioning and anti-sticking function. Background Technology

[0002] An injection mold is a mold used to manufacture plastic products. It is made of metal and has a specific shape and structure, used to inject and shape plastic materials.

[0003] However, existing technologies have some problems: existing injection molds do not have an ejection function. When people use injection molds, they cannot eject the molded parts, which can easily cause the molded parts inside the injection mold to stick to the inner wall, making demolding difficult and inconvenient for people to use. Therefore, it is necessary to provide an injection mold with a positioning and anti-sticking function to solve the above technical problems. Utility Model Content

[0004] This utility model provides an injection mold with a positioning and anti-sticking function, which solves the technical problem that existing injection molds do not have an ejection function. When people use the injection mold, they cannot eject the molded parts, which easily causes the molded parts inside the injection mold to stick to the inner wall, making demolding difficult and inconvenient for users.

[0005] To solve the above-mentioned technical problems, this utility model provides an injection mold with a positioning and anti-sticking function, comprising:

[0006] A base, the upper end of which is fixedly connected to a lower mold, the interior of which is provided with a top plate, the upper end of which is provided with an upper mold, and the upper part of which is provided with a fixing plate;

[0007] The lifting assembly and the ejector assembly are located on a fixed plate and are used to drive the movement of the upper mold. The ejector assembly is located in the base and is used to drive the movement of the ejector plate.

[0008] Preferably, the lifting assembly includes a hydraulic rod, the output end of which extends through to the lower end of the fixed plate and is fixedly connected to a connecting plate, the lower end of which is fixedly connected to the upper end of the upper mold.

[0009] Preferably, the ejector assembly includes a cylinder, the output end of which is fixedly connected to a first wedge-shaped push block, the upper end of which is slidably connected to a second wedge-shaped push block, the upper end of which is fixedly connected to a push rod, the upper end of which passes through the lower mold and is fixedly connected to the lower end of the ejector plate.

[0010] Preferably, a return spring is fixedly connected to both sides of the upper end of the second wedge-shaped push block, and the upper end of the return spring is fixedly connected to the upper end of the base.

[0011] Preferably, a limiting ring is slidably connected to the surface of the top rod, and the upper end of the limiting ring is fixedly connected to the upper end inside the base.

[0012] Preferably, side plates are fixedly connected to both sides of the lower end of the fixed plate, the lower end of the side plates is fixedly connected to the upper end of the base, and guide sleeves are fixedly connected to both sides of the upper end of the fixed plate. A guide rod is slidably connected inside the guide sleeve, and the lower end of the guide rod passes through to the lower end of the fixed plate and is fixedly connected to the upper end of the upper mold.

[0013] Compared with related technologies, the injection mold with positioning and anti-sticking function provided by this utility model has the following beneficial effects:

[0014] This utility model provides an injection mold with a positioning and anti-sticking function. By setting a reset spring, the second wedge-shaped push block can be easily reset during use, thus solving the problem that the second wedge-shaped push block is not easy to reset during use.

[0015] This utility model provides an injection mold with a positioning and anti-sticking function. By setting a limiting ring, the ejector pin is prevented from shaking during use, thus solving the problem of the ejector pin shaking during use.

[0016] This utility model provides an injection mold with a positioning and anti-sticking function. Through the cooperation of the guide sleeve and the guide rod, the upper mold moves smoothly during use, solving the problem of the upper mold shaking during use. Attached Figure Description

[0017] Figure 1 A schematic diagram of a preferred embodiment of an injection mold with a positioning and anti-sticking function provided by this utility model;

[0018] Figure 2 This is a schematic diagram of the lower mold structure of this utility model;

[0019] Figure 3 This is a cross-sectional view of the base structure of this utility model.

[0020] The following are the labels in the diagram: 1. Base; 2. Lower mold; 3. Ejector plate; 4. Upper mold; 5. Fixing plate; 6. Lifting assembly; 61. Hydraulic rod; 62. Connecting plate; 7. Ejector assembly; 71. Cylinder; 72. First wedge push block; 73. Second wedge push block; 74. Push rod; 8. Return spring; 9. Limiting ring; 10. Side plate; 11. Guide sleeve; 12. Guide rod. Detailed Implementation

[0021] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0022] Example 1:

[0023] Please see Figure 1-3 This utility model provides a technical solution: an injection mold with positioning and anti-sticking function, comprising: a base 1, a lower mold 2 fixedly connected to the upper end of the base 1, an ejector plate 3 disposed inside the lower mold 2, an upper mold 4 disposed at the upper end of the lower mold 2, a fixing plate 5 disposed above the upper mold 4, a lifting component 6 and an ejector component 7, the lifting component 6 being located on the fixing plate 5 and used to drive the movement of the upper mold 4, and the ejector component 7 being located in the base 1 and used to drive the movement of the ejector plate 3.

[0024] In this embodiment, when it is necessary to eject the molded part in the lower mold 2, the hydraulic rod 61 drives the connecting plate 62 to move upward, the connecting plate 62 drives the upper mold 4 to move upward, the upper mold 4 drives the guide rod 12 to slide in the guide sleeve 11, so that the upper mold 4 is separated from the lower mold 2, and at the same time the cylinder 71 drives the first wedge-shaped push block 72 to move relative to each other.

[0025] Example 2:

[0026] Please see Figure 1-3 As shown, based on Embodiment 1, this utility model provides a technical solution: the lifting assembly 6 includes a hydraulic rod 61, the output end of which passes through to the lower end of the fixed plate 5 and is fixedly connected to a connecting plate 62. The lower end of the connecting plate 62 is fixedly connected to the upper end of the upper mold 4. The ejector assembly 7 includes a cylinder 71, the output end of which is fixedly connected to a first wedge-shaped push block 72. The upper end of the first wedge-shaped push block 72 is slidably connected to a second wedge-shaped push block 73. The upper end of the second wedge-shaped push block 73 is fixedly connected to a push rod 74. The upper end of the push rod 74 passes through to the lower mold 2 and is connected to the lower end of the ejector plate 3. Fixed connections are made, with return springs 8 fixedly connected to both sides of the upper end of the second wedge-shaped push block 73. The upper end of the return spring 8 is fixedly connected to the upper end of the interior of the base 1. A limit ring 9 is slidably connected to the surface of the push rod 74. The upper end of the limit ring 9 is fixedly connected to the upper end of the interior of the base 1. Side plates 10 are fixedly connected to both sides of the lower end of the fixed plate 5. The lower end of the side plates 10 is fixedly connected to the upper end of the base 1. Guide sleeves 11 are fixedly connected to both sides of the upper end of the fixed plate 5. A guide rod 12 is slidably connected inside the guide sleeve 11. The lower end of the guide rod 12 passes through to the lower end of the fixed plate 5 and is fixedly connected to the upper end of the upper mold 4.

[0027] In this embodiment: the first wedge-shaped pusher 72 pushes the second wedge-shaped pusher 73, and the second wedge-shaped pusher 73 drives the push rod 74 to move upward through the reset spring 8. The push rod 74 drives the ejector plate 3 to move upward, so that the ejector plate 3 ejects the molded part in the lower mold 2.

[0028] The working principle of the injection mold with positioning and anti-sticking function provided by this utility model is as follows:

[0029] Implementation steps for the first innovation point:

[0030] Step 1: When it is necessary to eject the molded part in the lower mold 2, the hydraulic rod 61 drives the connecting plate 62 to move upward, and the connecting plate 62 drives the upper mold 4 to move upward.

[0031] Step 2: The upper mold 4 drives the guide rod 12 to slide in the guide sleeve 11, so that the upper mold 4 is separated from the lower mold 2. At the same time, the cylinder 71 drives the first wedge-shaped push block 72 to move relative to each other.

[0032] Implementation steps for the second innovation point:

[0033] Step 1: The first wedge-shaped pusher 72 pushes the second wedge-shaped pusher 73, and the second wedge-shaped pusher 73 drives the push rod 74 to move upward through the return spring 8;

[0034] Step 2: The ejector rod 74 drives the ejector plate 3 to move upward, so that the ejector plate 3 ejects the molded part in the lower mold 2.

[0035] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An injection mold for positioning a release mold function, characterized by: Include: The base (1), the upper end of the base (1) is fixedly connected with the lower mold (2), the inside of the lower mold (2) is provided with the top material plate (3), the upper end of the lower mold (2) is provided with the upper mold (4), the upper mold (4) is provided with the fixed plate (5) above; Lifting assembly (6) and top material assembly (7), the lifting assembly (6) is located on the fixed plate (5), the lifting assembly (6) is used for driving the movement of the upper mold (4), the top material assembly (7) is located in the base (1), the top material assembly (7) is used for driving the movement of the top material plate (3).

2. An injection mold having a positioning anti-sticking mold function according to claim 1, characterized in that, The lifting assembly (6) includes a hydraulic rod (61), the output end of the hydraulic rod (61) penetrates to the lower end of the fixed plate (5) and is fixedly connected with the connecting plate (62), the lower end of the connecting plate (62) is fixedly connected with the upper end of the upper mold (4).

3. An injection mold having a positioning anti-sticking mold function according to claim 1, wherein The top material assembly (7) includes a cylinder (71), the output end of the cylinder (71) is fixedly connected with a first wedge-shaped push block (72), the upper end of the first wedge-shaped push block (72) is slidably connected with a second wedge-shaped push block (73), the upper end of the second wedge-shaped push block (73) is fixedly connected with a top rod (74), the upper end of the top rod (74) penetrates into the lower mold (2) and is fixedly connected with the lower end of the top material plate (3).

4. An injection mold having a positioning anti-sticking mold function according to claim 3, characterized in that, The upper end of the second wedge-shaped push block (73) is fixedly connected with a reset spring (8) on both sides, and the upper end of the reset spring (8) is fixedly connected with the upper end in the inside of the base (1).

5. An injection mold having a positioning anti-sticking mold function according to claim 3, wherein The surface of the top rod (74) is slidably connected with a limiting ring (9), and the upper end of the limiting ring (9) is fixedly connected with the upper end in the inside of the base (1).

6. An injection mold having a positioning anti-sticking mold function according to claim 1, wherein The lower end of the fixed plate (5) is fixedly connected with a side plate (10) on both sides, and the lower end of the side plate (10) is fixedly connected with the upper end of the base (1), the upper end of the fixed plate (5) is fixedly connected with a guide sleeve (11) on both sides, the inside of the guide sleeve (11) is slidably connected with a guide rod (12), and the lower end of the guide rod (12) penetrates to the lower end of the fixed plate (5) and is fixedly connected with the upper end of the upper mold (4).

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