Sealing device for automobile die stamping equipment

By designing positioning components and fixing components in the sealing device of automotive mold stamping equipment, the inconvenience of lubricant filling and sleeve replacement is solved, the sealing and convenience are improved, and the service life of the equipment is extended.

CN223165011UActive Publication Date: 2025-07-29CHANGZHOU CONCEPTECH MOLDING TECH CO LTD
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Patent Information

Application Number
CN202421921982.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-08
Publication Date
2025-07-29
Estimated Expiration
2034-08-08

AI Technical Summary

Technical Problem

The sealing device for existing automotive mold stamping equipment is inconvenient to inject lubricating oil and is inconvenient to replace after a long period of use, reducing its practicality and ease of use.

Method used

A sealing device including a positioning assembly and a fixing assembly is designed. By opening a threaded hole on the outside of the sleeve, the use of sealing bolts can facilitate the filling of lubricating oil, and through the coordination of the positioning assembly and fixing assembly, the sleeve can be easily installed and removed.

Benefits of technology

It improves sealing and ease of use, facilitates the addition of lubricating oil, and extends the service life of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of sealing devices, and discloses a sealing device for automobile die stamping equipment, which comprises an equipment main body, a driven shaft mounted on the outer side of the equipment main body, a sleeve arranged on the outer side of the equipment main body, and a sealing mechanism arranged on the outer side of the equipment main body. The sealing mechanism is composed of a positioning assembly used for positioning the sleeve and a fixing assembly used for fixing the sleeve, a threaded hole is formed in the outer side of the sleeve, the inner side of the threaded hole is in threaded connection with a sealing bolt, and the threaded hole is communicated with the interior of the sleeve. By means of the device body, the driven shaft, the positioning assembly and the fixing assembly, the sealing performance between the device body and the driven shaft can be improved, meanwhile, a user can conveniently disassemble and assemble the sleeve, the user can take down the sealing bolt from the threaded hole, then lubricating oil can be injected through the threaded hole, and the sealing effect is good. Therefore, the effect of conveniently adding lubricating oil by a user is achieved.
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Description

Technical Field

[0001] The utility model relates to the technical field of sealing devices, and specifically, to a sealing device for automobile die stamping equipment. Background Art

[0002] A stamping die is a special process equipment that processes materials (metal or non-metal) into parts (or semi-finished products) in cold stamping processing, and is called a cold stamping die (commonly known as a cold punching die); stamping is a pressure processing method that applies pressure to materials by using a die installed on a press at room temperature to cause separation or plastic deformation, so as to obtain the required parts. During the processing, the workshop environment is chaotic. In order to eliminate the influence of the environment on automobile dies, the operation of stamping equipment requires the assistance of a sealing device; a sealing device is a component or a combination of components used to prevent fluid or solid particles from leaking between adjacent joint surfaces or to prevent external impurities such as dust and moisture from entering the internal part of a machine device, which avoids the damage and influence of the external environment on the operation of stamping equipment and the processed parts.

[0003] The Chinese utility model patent with the application number of CN201820751871.0 discloses a sealing device for automobile die stamping equipment, including an outer sleeve and a driven shaft. The driven shaft is slidably connected inside the outer sleeve. A sealing cover plate is fixedly connected to the top end of the outer sleeve. A dust-proof ring is fixedly arranged inside the sealing cover plate. A sealing ring is fixedly arranged at the bottom end of the dust-proof ring. A pressure guiding groove is fixedly arranged inside the outer sleeve. A piston ring is fixedly arranged at the bottom end of the pressure guiding groove. A graphite ring is fixedly connected inside the piston ring. The utility model has novel design and simple structure, has good sealing effect, makes the oil liquid inside the device not easy to leak, and can prevent substances such as dust from entering the device interior to avoid affecting the normal operation of the device. Secondly, it has good lubrication effect, can further improve the working efficiency of the device, and has good friction resistance, is not easy to be damaged, and is convenient for long-term use.

[0004] However, when the above technical solution is used, it is not convenient to inject lubricating oil, and after long-term use, it is not convenient to replace, thus greatly reducing its practicability and use convenience. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a sealing device for automobile die stamping equipment, and solve the problem that when the above technical solution is used, it is not convenient to inject lubricating oil, and after long-term use, it is not convenient to replace, thus greatly reducing its practicability and use convenience.

[0006] The utility model provides the following technical solutions: a sealing device for a stamping device of an automobile mold, including a device main body, a driven shaft is installed on the outer side of the device main body, a sleeve is arranged on the outer side of the device main body, and a sealing mechanism is arranged on the outer side of the device main body. The sealing mechanism is composed of a positioning component for positioning the sleeve and a fixing component for fixing the sleeve.

[0007] As a preference of the above technical solution, threaded holes are formed on the outer side of the sleeve, and sealing bolts are threadedly connected to the inner sides of the threaded holes. The threaded holes communicate with the inside of the sleeve, so that the user can take out the sealing bolts from the threaded holes, and the user can add lubricating oil through the threaded holes, thereby improving the practicability.

[0008] As a preference of the above technical solution, the positioning component includes a fixing ring fixedly connected to the outer side of the driven shaft and a sealing groove formed on the inner side of the device main body. A sealing ring is inserted into the inner side of the sealing groove. The sleeve is fixedly connected to the bottom of the sealing ring. An annular groove is formed on the bottom of the fixing ring, and a sealing plate is inserted into the inner side of the annular groove. During use, the user can position the sleeve through the positioning component, and then the user can rotate the fixing sleeve. At this time, the fixing sleeve will fix the sleeve on the device main body through the first external thread and the second external thread. When the fixing sleeve moves, its top will contact the ring plate, and as the fixing sleeve moves, the ring plate will squeeze the spring. When the fixing sleeve moves to the position designated by the user, the ring plate will be in close contact with the fixing sleeve under the influence of the spring. At this time, the connection tightness between the internal thread inside the fixing sleeve and the first external thread and the second external thread can be improved. When disassembly is required, the user can reversely rotate the fixing sleeve to separate the fixing sleeve from the sleeve, and then remove the sleeve from the device main body, thereby achieving the effect of facilitating the installation and fixation of the sleeve, and thus improving the use convenience and practicability.

[0009] As a preference of the above technical solution, the size of the sealing groove is adapted to the sealing ring, the inner diameter of the sleeve is adapted to the fixing ring, the size of the annular groove is adapted to the sealing plate, and the sealing plate is fixedly connected to the inner bottom of the sleeve.

[0010] Preferably, as the above technical solution, the fixing component includes a first external thread provided on the outer side of the device main body, a second external thread provided on the outer side of the sleeve, and a positioning ring fixedly connected to the outer side of the device main body. The inner side of the first external thread is threadedly connected with a fixing sleeve. The bottom of the positioning ring is fixedly connected with a plurality of springs. One end of each spring away from the positioning ring is fixedly connected with a ring plate. The top of the ring plate is fixedly connected with a connecting rod. The top of the connecting rod is fixedly connected with a limiting plate. During use, the user can position the sleeve through the positioning component. Then, the user can rotate the fixing sleeve. At this time, the fixing sleeve will fix the sleeve on the device main body through the first external thread and the second external thread. When the fixing sleeve moves, its top will contact the ring plate. As the fixing sleeve moves, the ring plate will compress the spring. When the fixing sleeve moves to the position designated by the user, the ring plate will be in close contact with the fixing sleeve under the influence of the spring. At this time, the tightness of the internal thread inside the fixing sleeve connected to the first external thread and the second external thread can be improved. When disassembly is required, the user can rotate the fixing sleeve in the reverse direction to separate the fixing sleeve from the sleeve, and then remove the sleeve from the device main body, thereby achieving the effect of facilitating the installation and fixation of the sleeve, and thus improving the convenience and practicality of use.

[0011] Preferably, as the above technical solution, the first external thread and the second external thread have the same specifications. The inner side of the fixing sleeve is provided with an internal thread adapted to the first external thread and the second external thread. The fixing sleeve is threadedly connected to the device main body and the sleeve through the internal thread, the first external thread and the second external thread.

[0012] Preferably, as the above technical solution, the number of the connecting rods and the limiting plates is the same as that of the springs. One end of each spring is fixedly connected to the bottom of the positioning ring, and the other end of each spring is fixedly connected to the top of the ring plate. Each spring is evenly distributed at equal angles. One end of each connecting rod is fixedly connected to the top of the ring plate, and the other end of each connecting rod passes through the positioning ring and is fixedly connected to each limiting plate. The size of the ring plate is adapted to the fixing sleeve.

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

[0014] The utility model includes a device main body, a driven shaft, a positioning component and a fixing component. When in use, the user can pass a sleeve through the driven shaft, then insert the sealing ring at the top of the sleeve into the sealing groove, and then insert the sealing plate at the bottom of the sleeve into the annular groove at the bottom of the fixing ring. At this time, the sleeve can be positioned, and at the same time, the sealing groove, the sealing ring, the fixing ring, the annular groove and the sealing plate can seal between the device main body and the driven shaft. Then the user can rotate the fixing sleeve. At this time, the fixing sleeve will fix the sleeve on the device main body through the first external thread and the second external thread. When the fixing sleeve moves, its top will contact the ring plate, and as the fixing sleeve moves, the ring plate will compress the spring. When the fixing sleeve moves to the position designated by the user, the ring plate will be in close contact with the fixing sleeve under the influence of the spring. At this time, the connection tightness between the internal thread inside the fixing sleeve and the first external thread and the second external thread can be improved. When disassembly is required, the user can rotate the fixing sleeve in the reverse direction to separate the fixing sleeve from the sleeve, and then remove the sleeve from the device main body, achieving the effect of improving the sealing performance between the device main body and the driven shaft, and at the same time facilitating the user to disassemble and assemble the sleeve. And the user can remove the sealing bolt from the threaded hole, and then lubricating oil can be filled through the threaded hole, thus realizing the effect of facilitating the user to add lubricating oil. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 FIG. 1 is an overall schematic diagram of a sealing device for an automotive die stamping device;

[0016] Figure 2 FIG. 2 is a first side sectional view of a sealing device for an automotive die stamping device;

[0017] Figure 3 FIG. 3 is a second side sectional view of a sealing device for an automotive die stamping device;

[0018] Figure 4 FIG. 4 is Figure 2 an enlarged schematic view of the structure at A in FIG. 2;

[0019] Figure 5 FIG. 5 is Figure 3 an enlarged schematic view of the structure at B in FIG. 3.

[0020] In the figures: 1, device main body; 2, driven shaft; 3, sleeve; 4, threaded hole; 5, sealing bolt; 11, first external thread; 12, second external thread; 13, positioning ring; 14, fixing sleeve; 15, spring; 16, ring plate; 17, connecting rod; 18, limiting plate; 21, fixing ring; 22, sealing groove; 23, sealing ring; 24, annular groove; 25, sealing plate. DETAILED DESCRIPTION OF THE EMBODIMENTS

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

[0022] Embodiment 1

[0023] As Figure 1 、 Figure 2 、 Figure 3 and Figure 4 shown, the present utility model provides a technical solution: a sealing device for an automotive die stamping device, including a device main body 1, a driven shaft 2 is installed on the outer side of the device main body 1, a sleeve 3 is arranged on the outer side of the device main body 1, a sealing mechanism is arranged on the outer side of the device main body 1, the sealing mechanism is composed of a positioning component for positioning the sleeve 3 and a fixing component for fixing the sleeve 3, a threaded hole 4 is opened on the outer side of the sleeve 3, a sealing bolt 5 is threadedly connected inside the threaded hole 4, the threaded hole 4 communicates with the inside of the sleeve 3, so that the user can take out the sealing bolt 5 from the threaded hole 4, and the user can fill lubricating oil through the threaded hole 4, thereby improving the practicability. The positioning component includes a fixing ring 21 fixedly connected to the outer side of the driven shaft 2 and a sealing groove 22 opened inside the device main body 1. A sealing ring 23 is inserted inside the sealing groove 22. The sleeve 3 is fixedly connected to the bottom of the sealing ring 23. An annular groove 24 is opened at the bottom of the fixing ring 21. A sealing plate 25 is inserted inside the annular groove 24. The size of the sealing groove 22 is adapted to the sealing ring 23. The inner diameter of the sleeve 3 is adapted to the fixing ring 21. The size of the annular groove 24 is adapted to the sealing plate 25. The sealing plate 25 is fixedly connected to the inner bottom of the sleeve 3.

[0024] Through the above technical solution, during use, the user can pass the sleeve 3 through the driven shaft 2, then insert the sealing ring 23 at the top of the sleeve 3 into the sealing groove 22, and then insert the sealing plate 25 at the bottom of the sleeve 3 into the annular groove 24 at the bottom of the fixing ring 21. At this time, the sleeve 3 can be positioned, and at the same time, the sealing groove 22, the sealing ring 23, the fixing ring 21, the annular groove 24 and the sealing plate 25 can seal between the device main body 1 and the driven shaft 2, so as to realize the positioning of the sleeve 3 and the sealing of the driven shaft 2, and further improve the service life of the driven shaft 2.

[0025] Embodiment 2

[0026] As Figures 1 - 5As shown in the figure, the utility model provides a technical solution: a sealing device for an automobile die stamping equipment, including a device main body 1. A driven shaft 2 is installed on the outer side of the device main body 1. A sleeve 3 is arranged on the outer side of the device main body 1. A sealing mechanism is arranged on the outer side of the device main body 1. The sealing mechanism is composed of a positioning component for positioning the sleeve 3 and a fixing component for fixing the sleeve 3. The fixing component includes a first external thread 11 opened on the outer side of the device main body 1, a second external thread 12 opened on the outer side of the sleeve 3, and a positioning ring 13 fixedly connected to the outer side of the device main body 1. A fixing sleeve 14 is threadedly connected to the inner side of the first external thread 11. A plurality of springs 15 are fixedly connected to the bottom of the positioning ring 13. One end of each spring 15 far from the positioning ring 13 is fixedly connected to a ring plate 16. A connecting rod 17 is fixedly connected to the top of the ring plate 16. A limiting plate 18 is fixedly connected to the top of the connecting rod 17. The first external thread 11 and the second external thread 12 have the same specifications. An internal thread adapted to the first external thread 11 and the second external thread 12 is opened on the inner side of the fixing sleeve 14. The fixing sleeve 14 is threadedly connected to the device main body 1 and the sleeve 3 through the internal thread, the first external thread 11 and the second external thread 12. The number of the connecting rods 17 and the limiting plates 18 is the same as that of the springs 15. One end of each spring 15 is fixedly connected to the bottom of the positioning ring 13, and the other end of each spring 15 is fixedly connected to the top of the ring plate 16. Each spring 15 is equally angularly distributed. One end of each connecting rod 17 is fixedly connected to the top of the ring plate 16, and the other end of each connecting rod 17 passes through the positioning ring 13 and is fixedly connected to each limiting plate 18. The size of the ring plate 16 is adapted to the fixing sleeve 14.

[0027] Through the above technical solution, during use, the user can position the sleeve 3 through the positioning component. Then the user can rotate the fixing sleeve 14. At this time, the fixing sleeve 14 will fix the sleeve 3 on the device main body 1 through the first external thread 11 and the second external thread 12. When the fixing sleeve 14 moves, its top will contact the ring plate 16. As the fixing sleeve 14 moves, the ring plate 16 will compress the spring 15. When the fixing sleeve 14 moves to the position designated by the user, the ring plate 16 will be in close contact with the fixing sleeve 14 under the influence of the spring 15. At this time, the connection tightness of the internal thread inside the fixing sleeve 14 with the first external thread 11 and the second external thread 12 can be improved. When disassembly is required, the user can reversely rotate the fixing sleeve 14 to separate the fixing sleeve 14 from the sleeve 3, and then remove the sleeve 3 from the device main body 1, so as to achieve the effect of facilitating the installation and fixation of the sleeve 3, thereby improving the use convenience and practicality.

[0028] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it.

Claims

1. Sealing device for stamping equipment of automotive molds, including the equipment main body (1), with a driven shaft (2) installed on the outer side of the equipment main body (1), characterized in that: A sleeve (3) is provided on the outer side of the device main body (1), and a sealing mechanism is provided on the outer side of the device main body (1). The sealing mechanism is composed of a positioning component for positioning the sleeve (3) and a fixing component for fixing the sleeve (3).

2. The sealing device for the stamping equipment of automobile molds according to claim 1, characterized in that: Threaded holes (4) are formed on the outer side of the sleeve (3), and sealing bolts (5) are threadedly connected inside the threaded holes (4). The threaded holes (4) communicate with the inside of the sleeve (3).

3. The sealing device for the stamping equipment of automobile molds according to claim 2, characterized in that: The positioning component includes a fixing ring (21) fixedly connected to the outer side of the driven shaft (2) and a sealing groove (22) formed on the inner side of the device main body (1). A sealing ring (23) is inserted into the sealing groove (22). The sleeve (3) is fixedly connected to the bottom of the sealing ring (23). An annular groove (24) is formed at the bottom of the fixing ring (21), and a sealing plate (25) is inserted into the annular groove (24).

4. The sealing device for an automotive die stamping equipment according to claim 3, wherein: The size of the sealing groove (22) is adapted to the sealing ring (23), the inner diameter of the sleeve (3) is adapted to the fixing ring (21), the size of the annular groove (24) is adapted to the sealing plate (25), and the sealing plate (25) is fixedly connected to the inner bottom of the sleeve (3).

5. The sealing device for the stamping equipment of automobile molds according to claim 1, characterized in that: The fixing component includes a first external thread (11) formed on the outer side of the device main body (1), a second external thread (12) formed on the outer side of the sleeve (3), and a positioning ring (13) fixedly connected to the outer side of the device main body (1). A fixing sleeve (14) is threadedly connected inside the first external thread (11). A plurality of springs (15) are fixedly connected to the bottom of the positioning ring (13). One end of each spring (15) away from the positioning ring (13) is fixedly connected to a ring plate (16). A connecting rod (17) is fixedly connected to the top of the ring plate (16), and a limiting plate (18) is fixedly connected to the top of the connecting rod (17).

6. The sealing device for an automotive die stamping equipment according to claim 5, characterized in that: The first external thread (11) and the second external thread (12) have the same specifications. The inner side of the fixing sleeve (14) is provided with internal threads adapted to the first external thread (11) and the second external thread (12). The fixing sleeve (14) is threadedly connected to the device main body (1) and the sleeve (3) through the internal threads, the first external thread (11), and the second external thread (12).

7. The sealing device for the automotive die stamping equipment according to claim 5, characterized in that: The number of the connecting rods (17) and the limiting plates (18) is the same as that of the springs (15). One end of each spring (15) is fixedly connected to the bottom of the positioning ring (13), and the other end of each spring (15) is fixedly connected to the top of the ring plate (16). Each spring (15) is distributed at equal angles. One end of each connecting rod (17) is fixedly connected to the top of the ring plate (16), and the other end of each connecting rod (17) passes through the positioning ring (13) and is fixedly connected to each limiting plate (18). The size of the ring plate (16) is adapted to the fixing sleeve (14).

Citation Information

Patent Citations

  • The invention discloses a sealing device for automobile die stamping equipment

    CN208871030U