Combined clamping fixture for machining low-friction air cylinder

Abstract

The utility model discloses a combined clamping fixture for machining a low-friction air cylinder, and relates to the technical field of air cylinder machining. The device comprises a base, the interior of the base is connected with an adjusting plate through a connecting shaft, the outer surface of the connecting shaft is provided with a worm gear, when the device is used for machining a cylinder body of an air cylinder, a worker sleeves the cylinder body on four groups of fixing plates and then starts a first servo motor, the first servo motor rotates to enable a screw rod to rotate, and the worm gear is driven by the screw rod to rotate. Then a piston rod pushes a piston plate to move upwards in an air pressure box, so that air is input into an air cavity through an air distribution pipe, under the action of air pressure, the air extrudes a sealing plate, the sealing plate drives a fixing plate to move outwards through a movable rod, the fixing plate and the inner wall of a cylinder body are extruded, and the sealing effect is improved. And in this way, the surface of the cylinder body cannot be shielded, then workers can conduct comprehensive and effective machining on the outer surface of the cylinder body conveniently, and operation is convenient and fast.

Description

Technical Field

[0001] The utility model relates to the technical field of cylinder processing, in particular to a combined clamping fixture for low-friction cylinder processing. Background Art

[0002] A fixture is a device used to fix the workpiece in the mechanical manufacturing process so that it occupies the correct position for construction or inspection. It is also called a fixture. In a broad sense, any device used to quickly, conveniently and safely install the workpiece in any process can be called a fixture.

[0003] The prior art discloses a cylinder processing bench vise with application number CN202220076924.X and a cylinder processing bench vise with application number CN202321982933.6. Both can achieve the purpose of clamping and fixing the cylinder, but the outer surface of the cylinder will be blocked during the clamping process, which makes it difficult to process the cylinder surface when mechanical processing is required. Secondly, the above patents are inconvenient to adjust the angle and position according to processing needs during processing, and are not practical and functional. Utility Model Content

[0004] Based on this, the purpose of the utility model is to provide a combined clamping fixture for low-friction cylinder processing to solve the technical problems in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a combined clamping fixture for low-friction cylinder processing, comprising a base, an adjusting plate is connected to the interior of the base through a connecting shaft, a worm gear is provided on the outer surface of the connecting shaft, a second servo motor is installed at the lower part of the interior of the base, a worm gear is connected to the output end of the second servo motor, a connecting column, an air pressure box and a first servo motor are provided at the top of the adjusting plate, an operating table is connected to the top of the connecting column through a slide rail, and the slide rail is fixed to the operating table, a driving motor is installed on one side of the connecting column, a gear is connected to the output end of the driving motor, a gear ring is provided at the bottom of the operating table, a screw is connected to the output end of the first servo motor, a threaded block is provided on the outer surface of the screw, piston rods are fixed on both sides of the threaded block, the top of the piston rod extends to the interior of the air pressure box and is connected to a piston plate, an air cavity is provided inside the operating table, the top of the air pressure box is connected to an air distribution pipe through a rotating joint, a sealing plate is provided inside the air cavity, and one side of the sealing plate is connected to a fixed plate through a movable rod.

[0006] Furthermore, the fixing plates are provided in four groups, and one side of the fixing plates in the four groups is in an arc shape.

[0007] By adopting the above technical solution, the arc-shaped design makes the fixing plate fit more closely to the inner wall of the cylinder body, thereby improving the fixing effect.

[0008] Furthermore, the outer surface of the fixing plate is wrapped with a rubber sleeve.

[0009] By adopting the above technical solution, the rubber sleeve can increase the friction force at the connection with the cylinder body, thereby increasing the stability of the operation.

[0010] Furthermore, a spring is provided on the outer surface of the movable rod, and the spring is made of manganese steel.

[0011] By adopting the above technical solution, when the air cavity is not inflated, the spring can enable the movable rod to drive the fixed plate to quickly reset, and the manganese steel material makes the service life of the spring 12 longer.

[0012] Furthermore, mounting ears are fixed on both sides of the base.

[0013] By adopting the above technical solution, the staff can fix and install the clamp conveniently by installing the ears.

[0014] Furthermore, the air distribution pipes are provided with four groups, and the four groups of the air distribution pipes are connected to the air cavity.

[0015] By adopting the above technical solution, the gas enters the interior of the air cavity through the four-component gas pipe.

[0016] Furthermore, the connecting posts are provided in four groups, and fixing balls are provided at the top ends of the four groups of connecting posts, and the fixing balls are slidably matched with the slide rails.

[0017] By adopting the above technical solution, the four groups of connecting columns can make the operating table more stably supported, and the fixed balls reduce the friction with the slide rails.

[0018] Furthermore, a control panel is provided on one side of the base, and the control panel is electrically connected to the driving motor, the first servo motor and the second servo motor respectively.

[0019] By adopting the above technical solution, the staff can control the drive motor, the first servo motor and the second servo motor through the control panel.

[0020] In summary, the utility model mainly has the following beneficial effects:

[0021] 1. When processing the cylinder body of the cylinder, the staff of the utility model puts the cylinder body on the four sets of fixed plates, and then starts the first servo motor. The rotation of the first servo motor causes the screw to rotate, and then the piston rod pushes the piston plate to move upward in the air pressure box, so that air is input into the air cavity through the air distribution pipe. Under the action of air pressure, the gas will squeeze the sealing plate, so that the sealing plate drives the fixed plate to move outward through the movable rod, and then the fixed plate and the inner wall of the cylinder body are squeezed, and then the cylinder body of the cylinder is fixed by external tension. This method will not block the surface of the cylinder body, so that it is convenient for the staff to carry out comprehensive and effective processing on the outer surface of the cylinder body, and the operation is convenient;

[0022] 2. The utility model is provided with a driving motor, a second servo motor, a worm, a worm wheel, a gear and a gear ring. When the cylinder body needs to be fully processed, the staff starts the driving motor, and the rotation of the driving motor causes the gear to rotate. The rotation of the gear can cause the gear ring to drive the operating table to rotate, and then the cylinder body rotates, which is convenient for the staff to fully process the surface of the cylinder body without repeatedly disassembling and assembling the cylinder body for adjustment. When the processing angle of the cylinder body needs to be adjusted, the staff starts the second servo motor, and the rotation of the second servo motor causes the worm to rotate. The rotation of the worm causes the worm wheel to rotate, and then the connecting shaft drives the angle of the adjusting plate to be adjusted, so that the cylinder body is presented at different angles, which is convenient for the staff to process and improves the processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the structure of the utility model;

[0024] Figure 2 This is a schematic diagram of the cross-sectional structure of the base of the utility model;

[0025] Figure 3 This is a schematic diagram of the piston plate structure of the utility model;

[0026] Figure 4 This is a schematic diagram of the structure of the adjustment plate of the utility model.

[0027] In the figure: 1. base; 2. adjustment plate; 3. connecting column; 4. air pressure box; 5. operating table; 6. mounting ear; 7. slide rail; 8. drive motor; 9. air cavity; 10. sealing plate; 11. movable rod; 12. spring; 13. fixed plate; 14. gear; 15. gear ring; 16. first servo motor; 17. second servo motor; 18. worm; 19. connecting shaft; 20. worm wheel; 21. rotary joint; 22. air distribution pipe; 23. threaded block; 24. piston rod; 25. piston plate; 26. screw; 27. control panel. DETAILED DESCRIPTION

[0028] 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. The embodiments described below with reference to the drawings are exemplary and are only used to explain the utility model, and cannot be understood as limiting the utility model.

[0029] The following describes an embodiment of the utility model based on its overall structure.

[0030] Embodiment 1: A combined clamping fixture for low-friction cylinder processing, such as Figure 1-Figure 4 As shown, it includes a base 1, the interior of the base 1 is connected to an adjustment plate 2 through a connecting shaft 19, the outer surface of the connecting shaft 19 is provided with a worm gear 20, a second servo motor 17 is installed at the lower part of the interior of the base 1, the output end of the second servo motor 17 is connected to a worm 18, the top of the adjustment plate 2 is provided with a connecting column 3, a pressure box 4 and a first servo motor 16, the top of the connecting column 3 is connected to an operating table 5 through a slide rail 7, and the slide rail 7 is fixed to the operating table 5, a driving motor 8 is installed on one side of the connecting column 3, the output end of the driving motor 8 is connected to a gear 14, a gear ring 15 is provided at the bottom of the operating table 5, and the output end of the first servo motor 16 is connected to A screw rod 26 is connected, and a threaded block 23 is provided on the outer surface of the screw rod 26. Piston rods 24 are fixed on both sides of the threaded block 23. The top of the piston rod 24 extends to the interior of the air pressure box 4 and is connected to a piston plate 25. An air cavity 9 is provided inside the operating table 5. The top of the air pressure box 4 is connected to an air distribution pipe 22 via a rotary joint 21. A sealing plate 10 is provided inside the air cavity 9. One side of the sealing plate 10 is connected to a fixed plate 13 via a movable rod 11. A spring 12 is provided on the outer surface of the movable rod 11, and the spring 12 is made of manganese steel. When the air cavity is not inflated, the spring 12 can enable the movable rod 11 to drive the fixed plate 13 to quickly reset.

[0031] See also Figure 1-Figure 2 In the above embodiment, the outer surface of the fixing plate 13 is wrapped with a rubber sleeve, which can increase the friction force at the connection with the cylinder body and increase the stability of the operation.

[0032] See also Figure 1-Figure 2 In the above embodiment, mounting ears 6 are fixed on both sides of the base 1, and the staff can use the mounting ears 6 to fix and install the clamp.

[0033] See also Figure 1-Figure 2 In the above embodiment, the gas distribution pipes 22 are provided with four groups, the four groups of gas distribution pipes 22 are connected through a multi-way valve, the four groups of gas distribution pipes 22 are connected to the air cavity 9, and the gas enters the interior of the air cavity 9 through the four groups of gas pipes 22.

[0034] See also Figure 1-Figure 2 In the above embodiment, the connecting columns 3 are provided with four groups, and the tops of the four groups of connecting columns 3 are provided with fixing balls, and the fixing balls are slidably matched with the slide rails 7. The four groups of connecting columns 3 can support the operating table 5 more stably.

[0035] See also Figure 1-Figure 3 In the above embodiment, a control panel 27 is provided on one side of the base 1, and the control panel 27 is electrically connected to the drive motor 8, the first servo motor 16 and the second servo motor 17 respectively. The staff can control the drive motor 8, the first servo motor 16 and the second servo motor 17 through the control panel 27.

[0036] Embodiment 2: In order to better fit the cylinder body, embodiment 2 is improved on the basis of embodiment 1. Figure 1-Figure 2 The fixing plates 13 are provided with four groups, and one side of the fixing plates 13 of the four groups is in an arc shape. The arc-shaped design makes the fixing plates 13 fit more closely with the inner wall of the cylinder body, thereby improving the fixing effect.

[0037] The implementation principle of the utility model is as follows: first, the staff fixes the clamp on the equipment table, and then turns on the power supply. When processing the cylinder, the staff puts the cylinder body on the four sets of fixed plates 13, and then the staff starts the first servo motor 16. The rotation of the first servo motor 16 causes the screw 26 to rotate, and then the piston rod 24 pushes the piston plate 25 to move upward in the air pressure box 4, so that the air is input into the air cavity 9 through the air distribution pipe 22. Under the action of air pressure, the gas will squeeze the sealing plate 10, so that the sealing plate 10 drives the fixed plate 13 to move outward through the movable rod 11, and then the fixed plate 13 is squeezed with the inner wall of the cylinder body, and then the cylinder body of the cylinder is fixed by external tension. When the cylinder body needs to be fully processed, the staff starts the drive motor 8. The driving motor 8 rotates to rotate the gear 14. The rotation of the gear 14 can make the gear ring 15 drive the operating table 5 to rotate, and then the cylinder body rotates, which is convenient for the staff to comprehensively process the surface of the cylinder body. When the processing angle of the cylinder body needs to be adjusted, the staff starts the second servo motor 17. The second servo motor 17 rotates to rotate the worm 18. The rotation of the worm 18 rotates the worm wheel 20, and then the connecting shaft 19 drives the angle of the adjustment plate 2 to adjust, so that the cylinder body presents different angles. When removing the cylinder, the staff reverses the first servo motor 16, so that the piston plate 25 moves downward, and then the air cavity 9 is evacuated. With the assistance of the spring 12, the four sets of fixed plates 13 will be retracted inward, so that the cylinder body of the cylinder can be removed.

[0038] Although an embodiment of the utility model has been shown and described, this specific embodiment is only an explanation of the utility model and is not a limitation of the utility model. The specific features, structures, materials or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions and variations to the embodiments without creative contribution as needed without departing from the principles and purpose of the utility model. However, as long as they are within the scope of the claims of the utility model, they are protected by patent law.

Claims

1. A combined clamping fixture for low-friction cylinder processing, comprising a base (1), characterized in that: The inside of the base (1) is connected to an adjustment plate (2) via a connecting shaft (19), and a worm gear (20) is provided on the outer surface of the connecting shaft (19). A second servo motor (17) is installed at the bottom of the inside of the base (1), and the output end of the second servo motor (17) is connected to a worm gear (18). The top of the adjustment plate (2) is provided with a connecting column (3), an air pressure box (4) and a first servo motor (16). The top of the connecting column (3) is connected to an operating table (5) via a slide rail (7), and the slide rail (7) is fixed to the operating table (5). A drive motor (8) is installed on one side of the connecting column (3), and the output end of the drive motor (8) is connected to a gear (14). A gear ring (15) is provided at the bottom of the operating table (5), a screw (26) is connected to the output end of the first servo motor (16), a threaded block (23) is provided on the outer surface of the screw (26), piston rods (24) are fixed on both sides of the threaded block (23), the top end of the piston rod (24) extends to the inside of the air pressure box (4) and is connected to a piston plate (25), an air cavity (9) is provided inside the operating table (5), the top of the air pressure box (4) is connected to an air distribution pipe (22) through a rotating joint (21), a sealing plate (10) is provided inside the air cavity (9), and one side of the sealing plate (10) is connected to a fixed plate (13) through a movable rod (11).

2. The combined clamping fixture for low-friction cylinder processing according to claim 1 is characterized in that: The fixing plates (13) are provided in four groups, and one side of the fixing plates (13) in the four groups is in an arc shape.

3. The combined clamping fixture for low-friction cylinder processing according to claim 2 is characterized in that: The outer surface of the fixing plate (13) is wrapped with a rubber sleeve.

4. The combined clamping fixture for low-friction cylinder processing according to claim 1 is characterized in that: The outer surface of the movable rod (11) is provided with a spring (12), and the spring (12) is made of manganese steel material.

5. The combined clamping fixture for low-friction cylinder processing according to claim 1 is characterized in that: Mounting ears (6) are fixed on both sides of the base (1).

6. The combined clamping fixture for machining low-friction cylinders according to claim 1, characterized in that: The gas distribution pipes (22) are provided in four groups, and the four groups of gas distribution pipes (22) are connected to the air cavity (9).

7. The combined clamping fixture for low-friction cylinder processing according to claim 1 is characterized in that: The connecting columns (3) are provided in four groups, and fixing balls are provided at the top ends of the four groups of connecting columns (3). The fixing balls are slidably matched with the slide rails (7). The four groups of connecting columns (3) can support the operating table (5) more stably.

8. The combined clamping fixture for machining low-friction cylinders according to claim 1, characterized in that: A control panel (27) is provided on one side of the base (1), and the control panel (27) is electrically connected to the drive motor (8), the first servo motor (16) and the second servo motor (17) respectively.

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