Clamp convenient to clamp and used for railway wagon accessory production

Abstract

The utility model discloses a railway wagon accessory production clamp convenient for clamping, which comprises a base, the top of the base is provided with an adjusting groove, an inner cavity of the adjusting groove is movably connected with a movable plate, both sides of the bottom of the movable plate are provided with rollers, and both sides of the movable plate are fixedly connected with limiting frames. By arranging the base, the adjusting groove, the movable plate, the rolling wheels, the limiting frame, the electric push rod, a supporting plate, a rotating column, a damping rotating shaft, a first gear, a second gear, a supporting frame, a rack, a motor, a screw rod, a threaded sleeve, a connecting frame and a clamping plate, railway wagon accessories are placed in an inner cavity of the rack, the motor is turned on, and the output end of the motor drives the screw rod to rotate; the two connecting frames are driven to move oppositely, the connecting frames drive the clamping plates to move so as to clamp the two sides of the railway wagon accessory, the position of the railway wagon accessory can be adjusted through the rotating rack and the transverse moving rack after the railway wagon accessory is clamped, and the machining efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of clamps for producing railway freight car parts, in particular to a clamp which is convenient for clamping and is used for producing railway freight car parts. Background Art

[0002] Railway freight cars mainly transport goods and can be divided into general freight cars and special freight cars according to their uses, such as long freight cars for transporting oversized or bulky goods, coal cars mainly for transporting coal, ore cars for transporting various ores and mineral powders, cement cars for transporting bulk cement, live fish cars for transporting fry and live fish, etc. A fixture refers to a device used to fix the processing object in the mechanical manufacturing process so that it occupies the correct position for construction or inspection. It is also called a fixture. The fixture is a necessary basic equipment in the production process of railway freight car parts;

[0003] For example, the disclosed utility model provides "a fixing fixture for railway vehicle parts production", and its announcement number is: CN213498818U. The patent includes a placement plate, and the placement plates are two, and the upper ends of the two placement plates are each provided with a mounting plate, and the upper ends of the two placement plates are each provided with a fixing plate on the inner side of the two mounting plates. By providing two placement plates separated from each other, the fixing fixture can fix workpieces of larger sizes; by providing a connecting structure, the connection and fixing of the placement plates can be facilitated; by providing a fixing structure, the placement plates can be easily fixed to the connecting structure, thereby ultimately improving the practicality of the fixing fixture;

[0004] Although this patent can fix workpieces of larger sizes, the position of the workpiece cannot be adjusted after it is clamped and fixed. If the position of the workpiece needs to be adjusted during the processing, the workpiece must be removed and re-fixed, which is time-consuming and labor-intensive and will also reduce the processing efficiency. Therefore, the purpose of this utility model is to improve the practicality of the clamp through an adjustable clamping structure. Utility Model Content

[0005] The purpose of the utility model is to provide a clamp that is easy to clamp for the production of railway freight car parts, which has the advantage of convenient adjustment and solves the problem that although the existing fixing clamps used in the production of railway vehicle parts can fix workpieces of larger sizes, the workpieces cannot be adjusted in position after being clamped and fixed. If the position of the workpiece needs to be adjusted during the processing, the workpiece must be removed and re-fixed, which is time-consuming and labor-intensive and also reduces the processing efficiency.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a clamp for convenient clamping for the production of railway freight car accessories, comprising a base, an adjusting groove is provided on the top of the base, a movable plate is movably connected to the inner cavity of the adjusting groove, rollers are provided on both sides of the bottom of the movable plate, both sides of the movable plate are fixedly connected to a limiting frame, the right side of the limiting frame is fixedly connected to an electric push rod, the top of the movable plate is fixedly connected to a support plate, the top of the support plate is movably connected to a rotating column, one side of the top of the support plate is provided with a damping shaft, the surface of the rotating column is fixedly connected to a first gear, the top of the damping rotating shaft is fixedly connected to a second gear, the first gear is meshed with the second gear, the top of the rotating column is movably connected to a support frame, the top of the support frame is fixedly connected to a platform, the bottom of the platform is fixedly connected to a motor, both sides of the motor are fixedly connected to screws, the surface of the screw is threadedly connected to a threaded sleeve, the bottom of the threaded sleeve is fixedly connected to a connecting frame, and one side of the connecting frame passes through the inner cavity of the platform and is fixedly connected to a clamping plate.

[0007] Preferably, the front and back sides of the base are fixedly connected with mounting plates, and mounting holes are provided on the surfaces of the mounting plates.

[0008] Preferably, a pad is fixedly connected to the bottom of the inner cavity of the platform, and the bottom of the clamping plate is movably connected to the surface of the pad.

[0009] Preferably, one side opposite to the clamping plate is fixedly connected with an anti-slip plate, and the surface of the anti-slip plate is provided with an anti-slip strip.

[0010] Preferably, both sides of the bottom of the stand are provided with limiting grooves, the inner cavity of the limiting grooves is movably connected to the limiting blocks, and the bottom of the limiting blocks is fixedly connected to the top of the threaded sleeve.

[0011] Preferably, a slide groove is provided at the bottom of the inner cavity of the adjustment groove, and the bottom of the limiting frame is movably connected to the inner cavity of the slide groove.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] 1. The utility model arranges a base, an adjusting slot, a movable plate, a roller, a limit frame, an electric push rod, a support plate, a rotating column, a damping shaft, a first gear, a second gear, a support frame, a stand, a motor, a screw, a threaded sleeve, a connecting frame and a clamping plate, places the railway truck accessories in the inner cavity of the stand, turns on the motor, and the output end of the motor drives the screw to rotate, thereby driving the two connecting frames to move toward each other, and the connecting frame drives the clamping plate to move to clamp the two sides of the railway truck accessories. After the railway truck accessories are clamped, the position can be adjusted by rotating the stand and moving the stand horizontally, thereby improving the processing efficiency.

[0014] 2. The utility model provides a mounting plate to fix the railway freight car parts production fixture at a designated processing position, provides a pad to support the railway freight car parts to be processed, and can limit the bottom of the clamping plate to improve the stability of the clamping plate when moving, provides an anti-skid plate to increase the friction of the clamping surface of the clamping plate, so that the railway freight car parts after clamping are not easy to loosen, provides a limiting groove and a limiting block to limit the top of the threaded sleeve, which can improve the stability of the threaded sleeve when moving, and provides a slide groove to limit the bottom of the limiting frame, which can improve the stability of the limiting frame and the movable plate between the limiting frames when moving. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the structure of the utility model;

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

[0017] Figure 3 For this utility model Figure 2 A local enlarged schematic diagram of point A in the middle.

[0018] In the figure: 1. base; 2. adjustment slot; 3. movable plate; 4. roller; 5. limit frame; 6. electric push rod; 7. support plate; 8. rotating column; 9. damping shaft; 10. first gear; 11. second gear; 12. support frame; 13. stand; 14. motor; 15. screw; 16. threaded sleeve; 17. connecting frame; 18. clamping plate. DETAILED DESCRIPTION

[0019] 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.

[0020] The components of the present invention are all common standard components or components known to those skilled in the art, and their structures and principles can be known to those skilled in the art through technical manuals or conventional experimental methods.

[0021] See also Figure 1-3A clamp for clamping railway freight car parts production, comprising a base 1, an adjusting slot 2 is provided on the top of the base 1, a movable plate 3 is movably connected to the inner cavity of the adjusting slot 2, rollers 4 are provided on both sides of the bottom of the movable plate 3, both sides of the movable plate 3 are fixedly connected to limit frames 5, the right side of the limit frame 5 is fixedly connected to an electric push rod 6, the top of the movable plate 3 is fixedly connected to a support plate 7, the top of the support plate 7 is movably connected to a rotating column 8, a damping rotating shaft 9 is provided on one side of the top of the support plate 7, and the surface of the rotating column 8 is fixedly connected to a first gear 10, the top of the damping shaft 9 is fixedly connected with the second gear 11, the first gear 10 is meshed with the second gear 11, the top of the rotating column 8 is movably connected with the support frame 12, the top of the support frame 12 is fixedly connected with the stand 13, the bottom of the stand 13 is fixedly connected with the motor 14, both sides of the motor 14 are fixedly connected with screws 15, the surface of the screw 15 is threadedly connected with a threaded sleeve 16, the bottom of the threaded sleeve 16 is fixedly connected with a connecting frame 17, one side of the connecting frame 17 passes through the inner cavity of the stand 13 and is fixedly connected with a clamping plate 18.

[0022] The front and back sides of the base 1 are fixedly connected with mounting plates, and the surfaces of the mounting plates are provided with mounting holes.

[0023] Through the above technical solution, a mounting plate is provided to fix the railway freight car parts production fixture at a designated processing position.

[0024] A backing plate is fixedly connected to the bottom of the inner cavity of the stand 13, and the bottom of the clamping plate 18 is movably connected to the surface of the backing plate.

[0025] Through the above technical solution, a pad is provided to support the railway freight car parts to be processed, and the bottom of the clamping plate 18 can be limited to improve the stability of the clamping plate 18 when moving.

[0026] The opposite side of the clamping plate 18 is fixedly connected with an anti-slip plate, and the surface of the anti-slip plate is provided with an anti-slip strip.

[0027] Through the above technical solution, an anti-slip plate is provided to increase the friction force of the clamping surface of the clamping plate 18, so that the railway freight car accessories are not easy to loosen after being clamped.

[0028] Limiting grooves are provided on both sides of the bottom of the stand 13 , and the inner cavity of the limiting groove is movably connected to the limiting block, and the bottom of the limiting block is fixedly connected to the top of the threaded sleeve 16 .

[0029] Through the above technical solution, by providing a limiting groove and a limiting block to limit the top of the threaded sleeve 16, the stability of the threaded sleeve 16 when moving can be improved.

[0030] A slide groove is provided at the bottom of the inner cavity of the adjustment groove 2, and the bottom of the limiting frame 5 is movably connected to the inner cavity of the slide groove.

[0031] Through the above technical solution, by providing a slide groove to limit the bottom of the limiting frame 5, the stability of the limiting frame 5 and the movable plate 3 between the limiting frames 5 when moving can be improved.

[0032] When in use, first install and fix the railway truck accessories production fixture on the processing station, and then put the railway truck accessories in the inner cavity of the stand 13 after the power is turned on, and the motor 14 is turned on. The output end of the motor 14 drives the screw 15 to rotate. The rotation of the two screws 15 will drive the threaded sleeves 16 on the surface to move, and the two threaded sleeves 16 drive the two connecting frames 17 to move toward each other. The connecting frame 17 drives the clamping plate 18 to move to clamp the two sides of the railway truck accessories. After the railway truck accessories are clamped, the position can be adjusted. The specific adjustment method is to turn on the electric push rod 6, the telescopic end of the electric push rod 6 drives the movable plate 3 to move, the movable plate 3 drives the support plate 7 on its top to move, and the support plate 7 drives the stand 13 on its top and the railway truck accessories in the inner cavity of the stand 13 to move. At the same time, the stand 13 can be rotated by hand, and the stand 13 drives the railway truck accessories to rotate. The first gear 10, the second gear 11 and the damping shaft 9 arranged at the bottom of the stand 13 can form a damping effect on the stand 13.

[0033] 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 clamp for easily clamping railway freight car parts for production, comprising a base (1), characterized in that: The top of the base (1) is provided with an adjustment groove (2), the inner cavity of the adjustment groove (2) is movably connected to a movable plate (3), both sides of the bottom of the movable plate (3) are provided with rollers (4), both sides of the movable plate (3) are fixedly connected to a limiting frame (5), the right side of the limiting frame (5) is fixedly connected to an electric push rod (6), the top of the movable plate (3) is fixedly connected to a support plate (7), the top of the support plate (7) is movably connected to a rotating column (8), a damping rotating shaft (9) is provided on one side of the top of the support plate (7), a first gear (10) is fixedly connected to the surface of the rotating column (8), and the top of the damping rotating shaft (9) is fixedly connected to the first gear (10). The top of the rotating column (8) is fixedly connected to a second gear (11), the first gear (10) is meshed with the second gear (11), the top of the rotating column (8) is movably connected to a support frame (12), the top of the support frame (12) is fixedly connected to a stand (13), the bottom of the stand (13) is fixedly connected to a motor (14), both sides of the motor (14) are fixedly connected to screw rods (15), the surface of the screw rod (15) is threadedly connected to a threaded sleeve (16), the bottom of the threaded sleeve (16) is fixedly connected to a connecting frame (17), one side of the connecting frame (17) passes through the inner cavity of the stand (13) and is fixedly connected to a clamping plate (18).

2. A clamp for easily clamping railway freight car parts according to claim 1, characterized in that: The front and back sides of the base (1) are both fixedly connected to mounting plates, and mounting holes are provided on the surfaces of the mounting plates.

3. The clamp for convenient clamping for producing railway freight car parts according to claim 1, characterized in that: A pad is fixedly connected to the bottom of the inner cavity of the stand (13), and the bottom of the clamping plate (18) is movably connected to the surface of the pad.

4. The clamp for convenient clamping for producing railway freight car parts according to claim 1, characterized in that: The opposite side of the clamping plate (18) is fixedly connected with an anti-slip plate, and the surface of the anti-slip plate is provided with an anti-slip strip.

5. The clamp for convenient clamping for producing railway freight car parts according to claim 1, characterized in that: Limiting grooves are provided on both sides of the bottom of the platform (13); the inner cavity of the limiting groove is movably connected to a limiting block; and the bottom of the limiting block is fixedly connected to the top of the threaded sleeve (16).

6. The clamp for convenient clamping for producing railway freight car parts according to claim 1, characterized in that: A slide groove is provided at the bottom of the inner cavity of the adjustment groove (2), and the bottom of the limit frame (5) is movably connected to the inner cavity of the slide groove.

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