Long-service-life grinding machine for railway wagon accessory production
By introducing a negative pressure fan and a dust removal box into the grinder, the dust splash problem caused by the lack of dustproof structure in the prior art is solved, and the processing efficiency of railway truck accessories and the practicality of the device are improved.
Patent Information
- Application Number
- CN202421070860.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-16
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2034-05-16
AI Technical Summary
The polishing and polishing devices of existing railway truck accessories lack dust-proof structure, which leads to dust splashing and reduces processing efficiency.
A grinding machine including a grinding mechanism, a dual-axis motor, a threaded rod, a limiting rod, a protective cover, a dust removal box and a negative pressure fan are designed. The limiting rod is driven to move through a threaded rod and a threaded sleeve, and the limiting rod drives the protective cover. The sealed processing area is carried out, and the negative pressure fan absorbs dust into the dust removal box, which improves the practicality of the device.
Effectively prevent dust splashing, improve the processing efficiency of railway truck accessories, and enhance the practicality and safety of the device.
Smart Images

Figure CN222289706U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of railway freight car parts production, in particular to a grinding machine for railway freight car parts production with a long service life. Background Art
[0002] The railway freight car bogie is a key component of a railway freight car, and is mainly composed of a side frame, a bolster, a vibration reduction device, a wheelset and a brake device. It can support, steer and brake the railway freight car, so that the railway freight car can run safely and smoothly on the track. In order to maintain the beauty of the railway freight car accessories, it is necessary to grind and polish the surface of the parts so that the surface of the railway freight car accessories is smooth. In the prior art, the grinding and polishing device for railway freight car accessories does not have a dustproof structure, which causes the dust generated by grinding to splash, reduces the processing efficiency of the parts, and is not conducive to use. Utility Model Content
[0003] The utility model aims to provide a grinding machine for producing railway freight car parts with a long service life, which has the advantage of high practicability and solves the problem of low practicability of existing devices.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a grinder for producing railway freight car accessories with a long service life, comprising a base, a grinding mechanism is arranged on the top of the base, the top of the grinding mechanism is fixedly connected to a chassis, a dual-axis motor is arranged in the inner cavity of the chassis, a threaded rod is fixedly connected to the output shaft of the dual-axis motor, a threaded sleeve is arranged on the surface of the threaded rod, a limit rod is fixedly connected to the surface of the threaded sleeve, the other end of the limit rod is fixedly connected to a protective cover, one side of the protective cover is fixedly connected to a dust removal box, the top of the dust removal box is connected to a negative pressure fan through a pipeline, and one side of the dust removal box is connected to an air cavity through a pipeline.
[0005] Preferably, there are two threaded rods, and the threads on the surfaces of the two threaded rods are in opposite directions.
[0006] Preferably, the other end of the limiting rod passes through the chassis and extends to the outside of the chassis, and a limiting groove is provided on the front side of the chassis.
[0007] Preferably, a filter screen is fixedly connected to the inner cavity of the dust removal box, and the filter screen is inclined at a certain angle to the horizontal plane.
[0008] Preferably, the inner cavity of the dust removal box is provided with a collection box, and the front of the collection box is provided with a handle.
[0009] Preferably, a control button is provided on the front of the base, and an observation window is provided on the front of the protective cover.
[0010] Preferably, a workbench is fixedly connected to the top of the base, and a clamping mechanism is provided on the front side of the grinding mechanism.
[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0012] 1. The utility model cooperates with a grinding mechanism, a double-axis motor, a threaded rod, a threaded sleeve, a limit rod, a protective cover, a dust removal box, a negative pressure fan and an air cavity. The output shaft of the double-axis motor drives the limit rod to move through the threaded rod and the threaded sleeve, and the limit rod drives the protective cover to move to seal the processing area. The negative pressure fan generates negative pressure to absorb dust into the dust removal box, thereby improving its practicability and solving the problem of low practicability of existing devices.
[0013] 2. The utility model designs the threads on the surfaces of the two threaded rods to be in opposite directions, thereby facilitating the two threaded sleeves to move toward each other. The cooperation of the limiting rod and the limiting groove facilitates the limiting of the threaded sleeves, thereby improving the safety of the device. The design of the filter screen facilitates the filtering of dust. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a schematic diagram of the structure of the utility model;
[0015] Figure 2 This is a front cross-sectional view of the chassis structure of the utility model;
[0016] Figure 3 This is a front cross-sectional view of the dust removal box structure of the utility model.
[0017] In the figure: 1. base; 2. grinding mechanism; 3. chassis; 4. dual-axis motor; 5. threaded rod; 6. threaded sleeve; 7. limit rod; 8. protective cover; 9. dust removal box; 10. negative pressure fan; 11. air cavity; 12. limit groove; 13. filter; 14. collection box; 15. handle; 16. control button; 17. observation window; 18. workbench; 19. clamping mechanism. DETAILED DESCRIPTION
[0018] 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.
[0019] See also Figure 1-3A grinding machine for producing railway freight car parts with a long service life comprises a base 1, a workbench 18 is fixedly connected to the top of the base 1, a clamping mechanism 19 is arranged on the front of the grinding mechanism 2, a control button 16 is arranged on the front of the base 1, and an observation window 17 is arranged on the front of the protective cover 8. By designing that the threads on the surfaces of the two threaded rods 5 are in opposite directions, it is convenient to make the two threaded sleeves 6 move toward each other. By cooperating with the limiting rod 7 and the limiting groove 12, it is convenient to limit the threaded sleeve 6 to improve the safety of the device. By designing a filter net 13, it is convenient to filter dust. A grinding mechanism 2 is arranged on the top of the base 1, and the top of the grinding mechanism 2 is fixedly connected to the chassis 3. The inner cavity of the chassis 3 is provided with a double-axis motor 4. The output shaft of the double-axis motor 4 is fixedly connected to a threaded rod 5. The number of the threaded rods 5 is two, and the threads on the surfaces of the two threaded rods 5 are in opposite directions. The surface of the threaded rod 5 is sleeved with a threaded sleeve 6, and the surface of the threaded sleeve 6 is fixedly connected to the limiting rod 7. The other end of the limiting rod 7 penetrates The chassis 3 extends to the outside of the chassis 3, a limiting groove 12 is provided on the front of the chassis 3, the other end of the limiting rod 7 is fixedly connected to a protective cover 8, one side of the protective cover 8 is fixedly connected to a dust removal box 9, the inner cavity of the dust removal box 9 is fixedly connected to a filter screen 13, the filter screen 13 is inclined at a certain angle to the horizontal plane, the inner cavity of the dust removal box 9 is provided with a collection box 14, the front of the collection box 14 is provided with a handle 15, the top of the dust removal box 9 is connected to a negative pressure fan 10 through a pipeline, and one side of the dust removal box 9 is connected to the negative pressure fan 10 through a pipeline. The pipeline is connected to an air cavity 11. Through the cooperation of the grinding mechanism 2, the dual-axis motor 4, the threaded rod 5, the threaded sleeve 6, the limit rod 7, the protective cover 8, the dust removal box 9, the negative pressure fan 10 and the air cavity 11, the output shaft of the dual-axis motor 4 drives the limit rod 7 to move through the threaded rod 5 and the threaded sleeve 6, and the limit rod 7 drives the protective cover 8 to move to seal the processing area. The negative pressure fan 10 generates negative pressure to absorb dust into the dust removal box 9, thereby improving its practicability and solving the problem of low practicability of the existing device.
[0020] When in use, the output shaft of the dual-axis motor 4 drives the limit rod 7 to move through the threaded rod 5 and the threaded sleeve 6, and the limit rod 7 drives the protective cover 8 to move to seal the processing area. The negative pressure fan 10 generates negative pressure to absorb dust into the dust removal box 9, thereby improving its practicality and solving the problem of low practicality of existing devices.
[0021] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A grinding machine for producing railway freight car parts with a long service life, comprising a base (1), characterized in that: A grinding mechanism (2) is arranged on the top of the base (1); the top of the grinding mechanism (2) is fixedly connected to a chassis (3); a dual-axis motor (4) is arranged in the inner cavity of the chassis (3); the output shaft of the dual-axis motor (4) is fixedly connected to a threaded rod (5); a threaded sleeve (6) is sleeved on the surface of the threaded rod (5); a limit rod (7) is fixedly connected to the surface of the threaded sleeve (6); the other end of the limit rod (7) is fixedly connected to a protective cover (8); one side of the protective cover (8) is fixedly connected to a dust removal box (9); the top of the dust removal box (9) is connected to a negative pressure fan (10) via a pipeline; and one side of the dust removal box (9) is connected to an air cavity (11) via a pipeline.
2. A grinding machine for producing railway freight car parts with a long service life according to claim 1, characterized in that: The number of the threaded rods (5) is two, and the directions of the threads on the surfaces of the two threaded rods (5) are opposite.
3. A grinding machine for producing railway freight car parts with a long service life according to claim 1, characterized in that: The other end of the limiting rod (7) passes through the chassis (3) and extends to the outside of the chassis (3), and a limiting groove (12) is provided on the front side of the chassis (3).
4. A grinding machine for producing railway freight car parts with a long service life according to claim 1, characterized in that: The inner cavity of the dust removal box (9) is fixedly connected to a filter screen (13), and the filter screen (13) is inclined at a certain angle to the horizontal plane.
5. The grinding machine for producing railway freight car parts with a long service life according to claim 1, characterized in that: The inner cavity of the dust removal box (9) is provided with a collection box (14), and the front of the collection box (14) is provided with a handle (15).
6. The grinding machine for producing railway freight car parts with a long service life according to claim 1, characterized in that: A control button (16) is provided on the front of the base (1), and an observation window (17) is provided on the front of the protective cover (8).
7. The grinding machine for producing railway freight car parts with a long service life according to claim 1, characterized in that: A workbench (18) is fixedly connected to the top of the base (1), and a clamping mechanism (19) is provided on the front of the grinding mechanism (2).