Magnetic injection mold for oil level gauge handle

Through the design of magnetic injection molds, magnets are used to fix the body of the dipstick ruler, and the mold clamping pressure is adjusted in combination with components such as servo motors and electric push rods, the problem of unstable mold clamping of the traditional mold is solved, and the primary molding and high-quality molding of the dipstick handle are realized.

CN223173445UActive Publication Date: 2025-08-01CHANGZHOU MAIZHU AUTO PARTS CO LTD
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Patent Information

Application Number
CN202422028820.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-21
Publication Date
2025-08-01
Estimated Expiration
2034-08-21

AI Technical Summary

Technical Problem

Traditional injection molds cannot adjust the pressure during mold clamping, resulting in unstable mold clamping, causing welding marks, and failing to effectively fix the body of the engine oil ruler, which requires secondary repair.

Method used

Magnetic injection mold is used to fix the oil ruler body through magnet adsorption, and combine components such as servo motor, threaded rod, electric push rod and other components to adjust and lock the mold clamping pressure to ensure stability after mold clamping, and improve the molding quality through bevel blocks and pressure plates.

Benefits of technology

The dipstick handle is realized in one-time molding, avoiding weld marks, improving molding quality, preventing the ruler body from shifting, and ensuring the surface integrity of the mold.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223173445U_ABST
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Abstract

The utility model discloses an oil level gauge handle magnetic injection mold which comprises a lower mold and a movable upper mold arranged at the top of the lower mold, a movable adjusting plate is arranged on the right side of the lower mold, a movable pressing plate is arranged above the adjusting plate, the oil level gauge handle magnetic injection mold further comprises a fixing groove, and the fixing groove is formed in the right side of the lower mold. According to the utility model, the adjusting plate, the pressing plate, the fixed groove, the servo motor, the threaded rod, the fixed block, the threaded block, the movable block, the movable plate, the inclined block, the connecting block, the electric push rod, the movable block, the positioning block and the positioning groove are matched with one another, and the locking and fixing effects after mold closing are improved by adjusting the pressure during mold closing; therefore, the oil level gauge handle is formed without welding points and is formed at a time, the forming quality is improved, displacement and jumping of an oil level gauge body iron piece can be effectively prevented by arranging the magnet, damage to the surface of a mold cavity is avoided, and meanwhile the injection molding quality can be guaranteed.
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Description

Technical Field

[0001] The utility model relates to the technical field of injection molds, in particular to a magnetic injection mold for an oil dipstick handle. Background Technique

[0002] In an automobile, an oil dipstick is a commonly used control dipstick for checking the stock of lubricating oil. When producing and processing the oil dipstick handle, an injection mold is required. The oil dipstick body is placed outside the cavity of the lower mold, and then the handle is injection-molded onto the iron part of the oil dipstick body through the forming cavities of the lower mold and the upper mold.

[0003] However, the traditional injection mold cannot adjust the pressure during mold closing and cannot ensure the stability after mold closing. Therefore, it is necessary to design exhaust holes. Due to the increase of exhaust holes, weld lines will be generated during product molding, so secondary repair is required. For this reason, we provide a magnetic injection mold for an oil dipstick handle. Content of the Utility Model

[0004] The purpose of the utility model is to provide a magnetic injection mold for an oil dipstick handle to solve the problems put forward in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: A magnetic injection mold for an oil dipstick handle, including a lower mold and an upper mold movably arranged on the top of the lower mold. A movable adjusting plate is arranged on the right side of the lower mold, and a movable pressing plate is arranged above the adjusting plate.

[0006] Preferably, it further includes a fixing groove. The fixing groove is opened on the right side of the lower mold. A servo motor is installed on the left side of the inner wall of the fixing groove. The right end of the output shaft of the servo motor is installed with a threaded rod, and a fixing block is installed on the inner wall of the fixing groove and on the right end of the threaded rod.

[0007] Preferably, a threaded block is threadedly connected to the surface of the threaded rod. Two moving blocks are installed on the right side of the threaded block. The right sides of the moving blocks sequentially penetrate through the fixing block and the fixing groove from left to right and extend to the outside of the fixing groove. The right sides of the two moving blocks are fixedly connected to the left side of the adjusting plate.

[0008] Preferably, a movable plate is installed on the top of the adjusting plate. The pressing plate is installed on the movable plate. An inclined block adapted to the pressing plate is installed on the top of the upper mold and at a position corresponding to the pressing plate.

[0009] Preferably, a connecting block is installed on the right side of the bottom of the upper mold. An electric push rod is installed in the groove on the left side of the adjusting plate at a position corresponding to the connecting block. The left end of the electric push rod is installed with a movable block, and a positioning block is installed on the left side of the movable block. A positioning groove is opened on the right side of the connecting block at a position corresponding to the positioning block. The left side of the positioning block penetrates through the positioning groove and extends into it to be in contact with the inner wall of the positioning groove.

[0010] Preferably, a magnet is installed in the mold cavity on the top of the lower mold, and the magnet is used to adsorb and fix the iron parts of the dipstick body.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0012] Through the mutual cooperation of the adjusting plate, pressing plate, fixing groove, servo motor, threaded rod, fixing block, threaded block, moving block, movable plate, inclined block, connecting block, electric push rod, movable block, positioning block and positioning groove, the present utility model adjusts the pressure when the mold is closed, and at the same time increases the locking and fixing effect after the mold is closed, so as to ensure that there is no welding point in the molding of the dipstick handle, and it is formed in one time, improving the molding quality. By setting the magnet, it can effectively prevent the displacement and jumping of the iron parts of the dipstick body, thereby avoiding damage to the surface of the mold cavity, and at the same time ensuring the injection molding quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is a structural sectional view of the front view of the present utility model;

[0014] Figure 2 is a structural sectional view of the front view of the adjusting plate, fixing groove, movable plate, inclined block and positioning groove of the present utility model;

[0015] Figure 3 is a three-dimensional structural schematic diagram of the adjusting plate, pressing plate and movable plate of the present utility model;

[0016] Figure 4 is a three-dimensional structural schematic diagram of the pressing plate and the inclined block of the present utility model.

[0017] In the figure: 1 lower mold, 2 upper mold, 3 adjusting plate, 4 pressing plate, 5 fixing groove, 6 servo motor, 7 threaded rod, 8 fixing block, 100 threaded block, 9 moving block, 10 movable plate, 11 inclined block, 12 connecting block, 13 electric push rod, 14 movable block, 15 positioning block, 16 positioning groove, 17 magnet. DETAILED DESCRIPTION OF THE INVENTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0019] See also Figures 1-4 A magnetic injection mold for an oil dipstick handle includes a lower mold 1 and a movable upper mold 2 arranged on the top of the lower mold 1. The upper mold 2 is equipped with an injection tube interconnected with the upper mold 2. A movable adjusting plate 3 is provided on the right side of the lower mold 1, and a movable pressing plate 4 is provided above the adjusting plate 3.

[0020] Furthermore, the left side of the lower mold 1 is fixedly connected to the lower mold base, the left side of the upper mold 2 is fixedly connected to the upper mold base, the upper mold base is connected to the external cylinder, the bottom of the lower mold base is fixedly connected to the bottom plate, the top of the bottom plate is fixedly connected to two top plates, and the top of the top plate is in contact with the bottom of the lower mold 1.

[0021] A magnet 17 is fixedly connected to the mold cavity at the top of the lower mold 1, and the magnet 17 is used to adsorb and fix the iron parts of the oil dipstick.

[0022] By providing the magnet 17, the displacement and jumping of the iron part of the oil dipstick can be effectively prevented, thereby avoiding damage to the mold cavity surface and ensuring the injection molding quality.

[0023] It also includes a fixed groove 5, which is opened on the right side of the lower mold 1. A servo motor 6 is fixedly connected to the left side of the inner wall of the fixed groove 5. The right end of the output shaft of the servo motor 6 is fixedly connected to a threaded rod 7. A fixed block 8 is fixedly connected to the inner wall of the fixed groove 5 and located on the right end of the threaded rod 7. The groove on the left side of the fixed block 8 is rotatably connected to the threaded rod 7 through a bearing. The surface of the threaded rod 7 is threadedly connected to a threaded block 100. The surface of the threaded block 100 is in sliding contact with the inner wall of the fixed groove 5. The right side of the threaded block 100 is fixedly connected to There are two moving blocks 9, the right side of the moving block 9 passes through the fixed block 8 and the fixed slot 5 from left to right and extends to the outside of the fixed slot 5. The right side of the two moving blocks 9 is fixedly connected to the left side of the adjustment plate 3. The side of the adjustment plate 3 close to the lower mold 1 is in contact with the lower mold 1. The top of the adjustment plate 3 is fixedly connected with a movable plate 10, and the pressing plate 4 is installed on the movable plate 10. The top of the upper mold 2 and the position corresponding to the pressing plate 4 are fixedly connected with an inclined block 11 adapted to the pressing plate 4. The top of the inclined block 11 is in contact with the bottom of the pressing plate 4.

[0024] On the right side of the bottom of the upper mold 2, there is a connecting block 12 fixedly connected. The bottom of the connecting block 12 is in contact with the top of the lower mold 1. Inside the groove on the left side of the adjusting plate 3 and corresponding to the position of the connecting block 12, there is an electric push rod 13 fixedly connected. The left end of the electric push rod 13 is fixedly connected with a movable block 14. The left side of the movable block 14 is fixedly connected with a positioning block 15. The side of the movable block 14 close to the connecting block 12 is in contact with the connecting block 12. On the right side of the connecting block 12 and corresponding to the position of the positioning block 15, there is a positioning groove 16. The left side of the positioning block 15 penetrates through the positioning groove 16 and extends into it to be in contact with the inner wall of the positioning groove 16.

[0025] Furthermore, a slot is provided at the bottom of the connecting block 12. At the position corresponding to the slot on the top of the lower mold 1, there is an inserting block installed. The top of the inserting block penetrates through the slot and extends into it to be in contact with the inner wall of the slot. By setting the inserting block and the slot, the phenomenon of offset when the two molds are closed is avoided.

[0026] Through the mutual cooperation of the adjusting plate 3, the pressing plate 4, the fixing groove 5, the servo motor 6, the threaded rod 7, the fixing block 8, the threaded block 100, the moving block 9, the movable plate 10, the inclined block 11, the connecting block 12, the electric push rod 13, the movable block 14, the positioning block 15 and the positioning groove 16, by adjusting the pressure when the molds are closed, and at the same time increasing the locking and fixing effect after the molds are closed, thus ensuring that the formed oil dipstick handle has no welding point, is formed in one time, and improves the forming quality.

[0027] When in use, place the oil dipstick body at the position of the magnet 17 in the cavity of the lower mold 1, so that the magnet 17 adsorbs and fixes the iron parts of the oil dipstick body. Drive the upper mold 2 to move downward through an external air cylinder, so that the two molds are closed. Then start the servo motor 6. The servo motor 6 drives the threaded rod 7 to rotate through the output shaft. The threaded rod 7 drives the threaded block 100 to move leftward. The threaded block 100 drives the pressing plate 4 to move leftward through the moving block 9, the adjusting plate 3 and the movable plate 10. Since both the pressing plate 4 and the inclined block 11 are designed with inclined surfaces, when the pressing plate 4 moves leftward and contacts the inclined block 11, the pressing plate 4 drives the inclined block 11 to move downward, and the inclined block 11 drives the upper mold 2 to move downward, increasing the pressure between the upper mold 2 and the lower mold 1. Then start the electric push rod 13. The electric push rod 13 drives the movable block 14 and the positioning block 15 to move leftward, so that the positioning block 15 is inserted into the positioning groove 16 to complete the locking and fixing after the two molds are closed. Then inject the raw material into the cavity generated after the two molds are closed through the injection pipe.

[0028] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An oil dipstick handle magnetic injection mold, characterized in that: It includes a lower die (1) and an upper die (2) which is movably arranged on the top of the lower die (1). A movable adjusting plate (3) is arranged on the right side of the lower die (1), and a movable pressing plate (4) is arranged above the adjusting plate (3).

2. The magnetic injection mold for the dipstick handle according to claim 1, characterized in that: It further includes a fixing groove (5) which is opened on the right side of the lower die (1). A servo motor (6) is installed on the left side of the inner wall of the fixing groove (5). The right end of the output shaft of the servo motor (6) is installed with a threaded rod (7), and a fixing block (8) is installed on the inner wall of the fixing groove (5) at the right end of the threaded rod (7).

3. The magnetic injection mold for the dipstick handle according to claim 2, wherein: A threaded block (100) is threadedly connected to the surface of the threaded rod (7). Two moving blocks (9) are installed on the right side of the threaded block (100). The right sides of the moving blocks (9) sequentially penetrate through the fixing block (8) and the fixing groove (5) from left to right and extend to the outside of the fixing groove (5). The right sides of the two moving blocks (9) are fixedly connected to the left side of the adjusting plate (3).

4. The magnetic injection mold for the dipstick handle according to claim 3, wherein: An active plate (10) is installed on the top of the adjusting plate (3). The pressing plate (4) is installed on the active plate (10). An inclined block (11) which is adapted to the pressing plate (4) is installed on the top of the upper die (2) at the position corresponding to the pressing plate (4).

5. The magnetic injection mold for the dipstick handle according to claim 4, wherein: A connecting block (12) is installed on the right side of the bottom of the upper die (2). An electric push rod (13) is installed in the groove on the left side of the adjusting plate (3) at the position corresponding to the connecting block (12). The left end of the electric push rod (13) is installed with a movable block (14). A positioning block (15) is installed on the left side of the movable block (14). A positioning groove (16) is opened on the right side of the connecting block (12) at the position corresponding to the positioning block (15). The left side of the positioning block (15) penetrates through the positioning groove (16) and extends into it to be in contact with the inner wall of the positioning groove (16).

6. The magnetic injection mold for the dipstick handle according to claim 1, wherein: A magnet (17) is installed in the mold cavity on the top of the lower die (1), and the magnet (17) is used to adsorb and fix the iron parts of the dipstick body.