Core-pulling mechanism of injection mold for automobile parts

Abstract

The utility model discloses an automobile part injection mold core-pulling mechanism which comprises a movable mold and a fixed mold, a forming groove is formed in the position, close to the middle, in the fixed mold, a groove is formed in the position, close to one side, in the fixed mold, and a cam is movably arranged on the position, close to one side, of the rear surface in the groove. And a driving motor is fixedly arranged at the position, close to one side, of the front surface of the fixed mold, a connecting rod is arranged at the position, close to one side, in the groove, a tap is fixedly arranged at one end of the connecting rod, and an abutting wheel is movably arranged at the other end of the connecting rod through a rotating shaft. According to the core-pulling mechanism of the injection mold for the automobile parts, by arranging the driving motor, the cam, the abutting wheel and the connecting rod, when the core-pulling mechanism is used, the overall structure of core-pulling action is optimized, the cost of the mold is reduced, a user can conveniently maintain the mold, convenience is brought to the user, the practicability of the core-pulling mechanism is improved, and the use requirement of the user is met.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molds, in particular to a core-pulling mechanism for an injection mold of an automobile part. Background Art

[0002] Injection molds are a processing method used in the mass production of complex-shaped parts. Specifically, the heated and molten material is injected into the mold cavity under high pressure, and after cooling and solidification, the molded product is obtained.

[0003] The comparative document "A core pulling mechanism for an injection mold of an automobile part", patent number (CN221775181U), is a structure in which a through groove is provided on one side of the static mold close to the core pulling groove. The through groove is connected to the core pulling groove, and a rotating rod passes through the through groove and extends to the outside of the static mold. The moving component drives the connecting column to move, and the rotating rod drives the inlay pin to separate from the hole wall of the automobile part through the connecting column. At the same time, the moving component drives the inlay pin to separate from the automobile part through the connecting column, thereby avoiding damage to the hole wall of the automobile part caused by the inlay pin during demolding.

[0004] However, when using the core pulling mechanism of the injection mold, components such as screws or cylinders are often used to perform the core pulling action. Not only is the structure complex and the cost high, but it is also inconvenient for subsequent maintenance, which brings inconvenience to the user and can no longer meet the user's needs. Utility Model Content

[0005] The purpose of the present utility model is to provide a core-pulling mechanism for an injection mold of an automobile part, so as to solve the problem in the above-mentioned background technology that the core-pulling mechanism of the injection mold often adopts components such as a lead screw or a cylinder to perform the core-pulling action when in use, which is not only complex in structure and high in cost, but also inconvenient for subsequent maintenance, causing inconvenience to the user and no longer meeting the user's needs.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a core-pulling mechanism for an injection mold for automotive parts, comprising a movable mold and a fixed mold, a molding groove being provided in the middle position of the fixed mold, a groove being provided in the side position of the fixed mold, a cam being movably provided in the side position of the rear surface of the groove, a drive motor being fixedly provided in the side position of the front surface of the fixed mold, a connecting rod being provided in the side position of the groove, a tap being fixedly provided at one end of the connecting rod, a pulley being movably provided at the other end of the connecting rod via a rotating shaft, guide blocks being fixedly provided at the top and bottom of the connecting rod, and guide rods being fixedly provided at the top and bottom positions of one side of the groove.

[0007] Furthermore, the movable mold and the fixed mold are in contact with each other.

[0008] Furthermore, the output end of the driving motor provided at the front end passes through the fixed mold and is fixedly connected to the cam.

[0009] Furthermore, one end of the tap passes through the fixed mold and extends to the interior of the forming groove.

[0010] Furthermore, one side of the cam contacts the stop wheel.

[0011] Furthermore, a support spring is fixedly provided on one side of the guide block, and one end of the support spring is fixedly connected to the inside of the groove.

[0012] Furthermore, one end of the guide rod passes through the guide block and extends to the outside thereof, and the guide rod and the guide block are movably connected.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] The core-pulling mechanism of the automotive parts injection mold is provided with a driving motor, a cam, a stopper wheel and a connecting rod, so that when the device is in use, the overall structure of the core-pulling action is optimized, the cost of the mold is reduced, and maintenance is convenient for the user, which brings convenience to the user, improves the practicality of the device, and meets the user's usage needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of the utility model;

[0016] Figure 2 This is a cross-sectional view of the structure of the utility model;

[0017] Figure 3 for Figure 2 A partial enlarged schematic diagram;

[0018] Figure 4 for Figure 2 A partial enlarged schematic diagram of B in the middle.

[0019] In the figure: 1. movable mold; 2. fixed mold; 3. molding groove; 4. groove; 5. cam; 6. driving motor; 7. connecting rod; 8. tap; 9. pulley; 10. guide block; 11. guide rod; 12. support spring. DETAILED DESCRIPTION

[0020] The utility model will be further described in detail below with reference to the accompanying drawings and through specific embodiments. The following embodiments are merely illustrative and do not limit the scope of protection of the utility model.

[0021] See also Figure 1-4The utility model provides a technical solution: a core-pulling mechanism for an injection mold for automobile parts, comprising a movable mold 1 and a fixed mold 2. The movable mold 1 and the fixed mold 2 cooperate with each other to perform injection molding. A molding groove 3 is provided in the middle position of the fixed mold 2. The molding groove 3 is used for injection molding. A groove 4 is provided in the side position of the fixed mold 2. The groove 4 is used to set corresponding components. A cam 5 is movably provided on the side position of the rear surface of the groove 4. The cam 5 can drive a wheel 9 to move. A driving motor 6 is fixedly provided on the side position of the front surface of the fixed mold 2. The driving motor 6 can generate driving force. A connecting rod 7 is provided on one side of the groove 4. The connecting rod 7 is used to connect the corresponding components. A tap 8 is fixedly provided on one end of the connecting rod 7. The tap 8 is used to perform core pulling operations. A pulley 9 is provided on the other end of the connecting rod 7 through a rotating shaft. The pulley 9 can drive the connecting rod 7 to move. Guide blocks 10 are fixed on the top and bottom of the connecting rod 7. The guide blocks 10 are used in conjunction with the guide rod 11 to play a guiding role. Guide rods 11 are fixed on the top and bottom positions on one side of the groove 4.

[0022] Furthermore, the movable mold 1 and the fixed mold 2 are in contact with each other, wherein this design facilitates mold opening between the two.

[0023] Furthermore, the output end of the driving motor 6 disposed at the front end passes through the fixed mold 2 and is fixedly connected to the cam 5 , wherein the driving motor 6 is capable of generating driving force.

[0024] Furthermore, one end of the tap 8 passes through the fixed mold 2 and extends to the interior of the forming groove 3, wherein the tap 8 can perform a core pulling operation.

[0025] Furthermore, one side of the cam 5 is in contact with the wheel 9, wherein the cam 5 can drive the wheel 9 to move.

[0026] Furthermore, a support spring 12 is fixedly provided on one side of the guide block 10 , and one end of the support spring 12 is fixedly connected to the inside of the groove 4 , wherein the support spring 12 plays a role in supporting the connecting rod 7 .

[0027] Furthermore, one end of the guide rod 11 passes through the guide block 10 and extends to the outside thereof, and the guide rod 11 is movably connected to the guide block 10, wherein the guide rod 11 and the guide block 10 cooperate with each other to play a guiding role.

[0028] Working principle: When using this device for core pulling, the user starts the drive motor 6 to rotate and drive the cam 5 to rotate, and the rotation of the cam 5 drives the wheel 9 to move, and the movement of the wheel 9 drives the connecting rod 7 to move, and the movement of the connecting rod 7 drives the tap 8 to move, so that the tap 8 can pull the core.

[0029] According to the above working process, we can know:

[0030] The core-pulling mechanism of the automobile parts injection mold is provided with a driving motor 6, a cam 5, a stop wheel 9 and a connecting rod 7, so that when the device is in use, the overall structure of the core-pulling action is optimized, the cost of the mold is reduced, and it is convenient for users to maintain it, which brings convenience to users, improves the practicality of the device, and meets the usage needs of users.

[0031] Although the 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 variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A core-pulling mechanism for an automobile parts injection mold, comprising a movable mold (1) and a fixed mold (2), characterized in that: A forming groove (3) is provided in the middle of the fixed mold (2), a groove (4) is provided in the fixed mold (2) at one side, a cam (5) is movably provided at one side of the rear surface of the groove (4), a driving motor (6) is fixedly provided at one side of the front surface of the fixed mold (2), a connecting rod (7) is provided in the groove (4), a tap (8) is fixedly provided at one end of the connecting rod (7), a stop wheel (9) is movably provided at the other end of the connecting rod (7) via a rotating shaft, guide blocks (10) are fixedly provided at the top and bottom of one side of the groove (4), and guide rods (11) are fixedly provided at the top and bottom of one side of the groove (4).

2. The core-pulling mechanism for an automotive parts injection mold according to claim 1, characterized in that: The movable mold (1) and the fixed mold (2) are in contact with each other.

3. The core-pulling mechanism for an automotive parts injection mold according to claim 1, characterized in that: The output end of the driving motor (6) provided at the front end passes through the fixed mold (2) and is fixedly connected to the cam (5).

4. The core-pulling mechanism for an automobile parts injection mold according to claim 1, characterized in that: One end of the tap (8) passes through the fixed die (2) and extends to the interior of the forming groove (3).

5. The core-pulling mechanism of an automobile parts injection mold according to claim 1, characterized in that: One side of the cam (5) contacts the stop wheel (9).

6. The core-pulling mechanism of an automobile parts injection mold according to claim 1, characterized in that: A support spring (12) is fixedly provided on one side of the guide block (10), and one end of the support spring (12) is fixedly connected to the inside of the groove (4).

7. The core-pulling mechanism of an automobile parts injection mold according to claim 1, characterized in that: One end of the guide rod (11) passes through the guide block (10) and extends to the outside thereof, and the guide rod (11) and the guide block (10) are movably connected.

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