Clamping device for ball valve production

Abstract

The clamping device for ball valve production comprises a base, an outer frame and an inner frame, the outer frame is arranged at the top of the base, an inner groove is formed in the top of the base, a first bearing is fixedly connected to the top of the inner groove, a first rotating shaft is fixedly connected to the bottom of the inner frame, a motor frame is fixedly connected to the top of the outer frame, and a servo motor is installed in the motor frame. A second rotating shaft is arranged at the bottom output end of the servo motor, an inner hole is formed in the outer frame, a second bearing is fixedly connected to the top of the inner hole, a supporting table is installed in the inner frame, a first convex column is fixedly connected to the top of the supporting table, a valve body is placed at the top of the supporting table, and a hydraulic cylinder is installed in the inner frame; a pressing block is installed at the bottom of the hydraulic cylinder, a second protruding column is fixedly connected to the bottom of the pressing block, the pressing block abuts against the top of the valve body, the second protruding column reaches the interior of the valve body, the ball valve is stably placed for rapid fixing, time and manpower are saved, efficiency is improved, rotation is flexible, and more machining operation is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of ball valve clamping, in particular to a clamping device for ball valve production. Background Art

[0002] Ball valves are widely used in oil refining, long-distance pipelines, chemical industry, papermaking, pharmaceuticals, water conservancy, electric power, municipal administration and steel industries, and they play an important role in the national economy. Ball valves are mainly used to cut off, distribute and change the flow direction of the medium in the pipeline. They can be closed tightly by rotating 90 degrees and applying a very small torque. The utility model patent with application number: CN202222799775.2 discloses a ball valve clamping device, including a U-shaped base and a driving box arranged on one side of the U-shaped base, the upper and lower ends of the groove of the U-shaped base are both laterally fixedly connected with stabilizing cylinders, a vertical pressure plate is passed through the stabilizing cylinders, the upper and lower ends of one side of the pressure plate are both laterally penetrated with stabilizing tubes, the stabilizing tubes are movably sleeved on the stabilizing cylinders, a sliding tube is movably sleeved on the middle part of the outer wall of each stabilizing cylinder, a moving plate is vertically fixedly connected between the sliding tubes, a rotating shaft is laterally rotatably provided on the inner wall of the other side of the U-shaped base and on the inner side surface of the moving plate, and the inner end of the rotating shaft is fixedly connected with a disc-shaped abutment seat; the inner end surfaces of the two abutment seats are arranged opposite to each other; the inner end surface of the abutment seat is stepped, and the abutment The edges of the stepped surface at the inner end of the seat are arc-shaped; a lead screw is provided inside the stabilizing cylinder for horizontal rotation, a threaded tube is movably sleeved on the lead screw, and connecting plates are longitudinally fixed to the front and rear ends of the outer wall of the threaded tube, and rectangular strips are horizontally opened on the front and rear end surfaces of the stabilizing cylinder, and the outer end of the connecting plate extends from the rectangular strip and is fixedly connected to the inner wall of the stabilizing tube; a servo motor is provided on the inner wall of one side of the driving box, and a pair of driving pulleys are fixedly sleeved on the driving shaft of the servo motor, one end of the lead screw movably penetrates into the interior of the driving box and is fixedly sleeved on a driven pulley, and a transmission belt is sleeved between the driving pulley and the driven pulley; a number of stabilizing balls are evenly rolled on the inner wall of the sliding tube, and the exposed beads of the stabilizing balls are movably abutted against the outer wall of the stabilizing cylinder; a pressurizing rubber block is fixedly connected to the middle part of the inner side surface of the pressure plate. One end of the ball valve to be processed is abutted against the abutment seat on the inner wall of the U-shaped base, and then the other abutment seat is pre-inserted into the other end of the ball valve by pushing the movable plate, and then the ball valve is preliminarily abutted and fixed by the two abutment seats. However, the operation process is relatively cumbersome, and the ball valve needs to be aligned with the two abutment seats, and the ball valve needs to be supported to prevent position changes, which consumes time and manpower. Utility Model Content

[0003] The utility model aims to solve the problems existing in the above-mentioned prior art and provides a clamping device for ball valve production, which can stably place the ball valve for rapid fixation, save time and manpower to improve efficiency, and is flexible in rotation and convenient for more processing operations.

[0004] The utility model adopts a technical solution to solve its technical problems: the clamping device for ball valve production comprises a base, an outer frame and an inner frame, the outer frame is arranged on the top of the base, the inner frame is arranged inside the outer frame, an inner groove is provided on the top of the base, a first bearing is fixedly connected to the top of the inner groove, a first rotating shaft is fixedly connected to the bottom of the inner frame, the first rotating shaft is connected to the inner ring of the first bearing, the first rotating shaft reaches the inside of the inner groove, a motor frame is fixedly connected to the top of the outer frame, a servo motor is installed inside the motor frame, a second rotating shaft is arranged at the bottom output end of the servo motor, the second rotating shaft is connected to the inner frame, an inner hole is provided inside the outer frame, a second bearing is fixedly connected to the top of the inner hole, the second rotating shaft passes through the inner hole, the second rotating shaft is connected to the inner ring of the second bearing, a support platform is arranged inside the inner frame, a first convex column is fixedly connected to the top of the support platform, a valve body is placed on the top of the support platform, the first convex column reaches the inside of the valve body, a hydraulic cylinder is arranged inside the inner frame, The hydraulic cylinder is directly above the support platform, and a pressure block is installed at the bottom of the hydraulic cylinder. A second convex column is fixedly connected to the bottom of the pressure block. The pressure block presses against the top of the valve body, and the second convex column reaches the inside of the valve body. The valve body is vertically placed on the top of the support platform, and the bottom of the valve body is plugged into the first convex column. The hydraulic cylinder is turned on to extend and run, and the hydraulic cylinder drives the pressure block to move downward, and the second convex column and the top of the valve body are plugged into each other, and the pressure block presses against the top of the valve body. The valve body is clamped and fixed, and the hydraulic cylinder is closed. When the valve body needs to be rotated for processing, the servo motor is turned on, and the servo motor runs and acts on the second rotating shaft. The second rotating shaft drives the inner frame, the first rotating shaft and the valve body to rotate as a whole, and the second bearing effectively supports the second rotating shaft, and the first bearing effectively supports the first rotating shaft. After the valve body rotates to a suitable angle, the servo motor stops. The whole process stably places the ball valve for quick fixation, saves time and manpower, improves efficiency, and flexible rotation facilitates more processing operations.

[0005] For further improvement, the support platform is close to the bottom center of the inner frame, the servo motor, the second rotating shaft, the hydraulic cylinder, the pressure block, the support platform and the first rotating shaft are on the same vertical center line, and the valve body is in the center of the inner frame to increase the convenience of operation, and the valve body keeps rotating in the center of the inner frame to increase stability.

[0006] For further improvement, the top of the support platform is fixedly connected with a rubber pad, the valve body and the rubber pad are in contact with each other, the bottom of the pressure block is also fixedly connected with the rubber pad, the top and bottom of the valve body are in contact with the rubber pad, which improves protection while increasing friction and further improves the valve body fixing effect.

[0007] For further improvement, a cut angle is set at the top of the first boss, and a cut angle is also set at the bottom of the second boss. The setting of the cut angle increases convenience, reduces alignment time, and assists the first boss and the second boss to be quickly plugged into the interior of the valve body.

[0008] To be further improved, the inner frame side is provided with rounded corners, the outer frame side is provided with hand bolts, the outer frame is provided with through holes, the inner frame side is provided with threaded grooves, the hand bolts pass through the through holes and are connected to the inside of the threaded grooves. The rounded corners are provided to improve effective protection and prevent sharp edges from causing collision and injury to operators. The inner frame is fixed by hand bolts, through holes and threaded grooves, and the inner frame is effectively locked.

[0009] For further improvement, there are two hand-tightening bolts, which are respectively distributed on the left and right sides of the outer frame. The two hand-tightening bolts act on the left and right sides of the inner frame at the same time, and the fixing effect of the inner frame is further enhanced.

[0010] For further improvement, a connecting block is fixedly connected to the bottom of the support platform, a first bolt is arranged inside the connecting block, there are two first bolts, the two first bolts are connected to the inside of the inner frame, there are holes inside the connecting block, there are threaded grooves on the top of the inner frame, the first bolts pass through the holes and are connected to the inside of the threaded grooves, the support platform is installed and fixed by the two first bolts, and removing the two first bolts facilitates replacement of the support platform.

[0011] To further improve, the bottom of the hydraulic cylinder is fixedly connected to a connecting plate, a second bolt is arranged inside the connecting plate, there are multiple second bolts, the multiple second bolts are connected to the inside of the pressing block, there are holes inside the connecting plate, there is a threaded groove on the top of the pressing block, the second bolt passes through the hole and is connected to the inside of the threaded groove, the pressing block is installed and fixed by the multiple second bolts, and the multiple second bolts can be removed to facilitate the replacement of the pressing block.

[0012] The beneficial effects of the utility model are:

[0013] 1. Place the valve body vertically on the top of the support platform, plug the bottom of the valve body with the first convex column, start the hydraulic cylinder to extend and run, the hydraulic cylinder drives the pressure block to move downward, the second convex column and the top of the valve body are plugged into each other, the pressure block presses against the top of the valve body, the valve body is clamped and fixed, close the hydraulic cylinder, and when the valve body needs to be rotated for processing, turn on the servo motor, the servo motor runs and acts on the second shaft, the second shaft drives the inner frame, the first shaft and the valve body to rotate as a whole, the second bearing effectively supports the second shaft, and the first bearing effectively supports the first shaft. After the valve body rotates to a suitable angle, the servo motor stops. The whole process stably places the ball valve for quick fixation, saving time and manpower to improve efficiency, and the flexible rotation facilitates more processing operations.

[0014] 2. Effective protection is improved by setting rounded corners to prevent sharp edges from causing collisions and injuries to operators. The inner frame is fixed by hand bolts, through holes and threaded grooves. The inner frame is effectively locked. The two hand bolts act on the left and right sides of the inner frame at the same time, and the fixing effect of the inner frame is further enhanced.

[0015] 3. There are holes inside the connecting block and a threaded groove on the top of the inner frame. The first bolt passes through the hole and is connected to the inside of the threaded groove. The support table is installed and fixed by two first bolts. Removing the two first bolts facilitates the replacement of the support table. There are holes inside the connecting plate and a threaded groove on the top of the pressing block. The second bolt passes through the hole and is connected to the inside of the threaded groove. The pressing block is installed and fixed by multiple second bolts. Removing multiple second bolts facilitates the replacement of the pressing block. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 For the utility model Figure 1 Enlarged view of point A in the middle;

[0018] Figure 3 For the utility model Figure 1 Enlarged view of point B in the middle;

[0019] Figure 4 This is a diagram showing the support platform structure of the utility model;

[0020] Figure 5 This is a display diagram of the valve body clamping of the utility model;

[0021] Figure 6 This is a diagram showing the interior of the outer frame of the utility model;

[0022] Figure 7 This is a diagram showing the interior of the base of the utility model;

[0023] Figure 8 This is a display diagram of the inner frame activity of the utility model.

[0024] Explanation of the reference numerals: 1. base; 2. outer frame; 3. inner frame; 4. inner groove; 5. first bearing; 6. first rotating shaft; 7. motor frame; 8. servo motor; 9. second rotating shaft; 10. inner hole; 11. second bearing; 12. support platform; 13. first boss; 14. valve body; 15. hydraulic cylinder; 16. pressure block; 17. second boss; 18. rubber pad; 19. fillet; 20. hand bolt; 21. through hole; 22. threaded groove; 23. connecting block; 24. first bolt; 25. connecting plate; 26. second bolt. DETAILED DESCRIPTION

[0025] The following is combined with Figure 1-8 This embodiment is further described:

[0026] like Figure 1-8As shown: In this embodiment, a clamping device for ball valve production includes a base 1, an outer frame 2 and an inner frame 3. The outer frame 2 is arranged on the top of the base 1, and the inner frame 3 is installed inside the outer frame 2. An inner groove 4 is opened on the top of the base 1, and a first bearing 5 is fixedly connected to the top of the inner groove 4. A first rotating shaft 6 is fixedly connected to the bottom of the inner frame 3, and the first rotating shaft 6 is connected to the inner ring of the first bearing 5. The first rotating shaft 6 reaches the inside of the inner groove 4. A motor frame 7 is fixedly connected to the top of the outer frame 2, and a servo motor 8 is installed inside the motor frame 7. A second rotating shaft 9 is arranged at the bottom output end of the servo motor 8, and the second rotating shaft 9 is connected to the inner frame 3. An inner hole 10 is opened inside the outer frame 2, and a second bearing 11 is fixedly connected to the top of the inner hole 10. The second rotating shaft 9 passes through the inner hole 10 and is connected to the inner ring of the second bearing 11. A support platform 12 is installed inside the inner frame 3. The support platform A first boss 13 is fixedly connected to the top of 12, a valve body 14 is placed on the top of the support platform 12, the first boss 13 reaches the inside of the valve body 14, a hydraulic cylinder 15 is installed inside the inner frame 3, the hydraulic cylinder 15 is directly above the support platform 12, a pressure block 16 is installed at the bottom of the hydraulic cylinder 15, a second boss 17 is fixedly connected to the bottom of the pressure block 16, the pressure block 16 abuts against the top of the valve body 14, the second boss 17 reaches the inside of the valve body 14, the support platform 12 is close to the bottom center position of the inner frame 3, the servo motor 8, the second rotating shaft 9, the hydraulic cylinder 15, the pressure block 16, the support platform 12 and the first rotating shaft 6 are on the same vertical center line, a rubber pad 18 is fixedly connected to the top of the support platform 12, the valve body 14 and the rubber pad 18 are in contact with each other, the bottom of the pressure block 16 is also fixedly connected to the rubber pad 18, a cut angle is set at the top of the first boss 13, and a cut angle is also set at the bottom of the second boss 17.

[0027] like Figure 1 , Figure 5 and Figure 8 As shown: a rounded corner 19 is set on the side of the inner frame 3, a hand-tightening bolt 20 is set on the side of the outer frame 2, a through hole 21 is set inside the outer frame 2, a threaded groove 22 is opened on the side of the inner frame 3, the hand-tightening bolt 20 passes through the through hole 21 and is connected to the inside of the threaded groove 22, there are two hand-tightening bolts 20, and the two hand-tightening bolts 20 are respectively distributed on the left and right sides of the outer frame 2.

[0028] like Figure 2-5 As shown: a connecting block 23 is fixedly connected to the bottom of the support platform 12, a first bolt 24 is arranged inside the connecting block 23, there are two first bolts 24, the two first bolts 24 are connected to the inside of the inner frame 3, a connecting plate 25 is fixedly connected to the bottom of the hydraulic cylinder 15, a second bolt 26 is arranged inside the connecting plate 25, there are multiple second bolts 26, and the multiple second bolts 26 are connected to the inside of the pressing block 16.

[0029] When the utility model is in use: the valve body 14 is vertically placed on the top of the support platform 12, the bottom of the valve body 14 is plugged with the first convex column 13, the hydraulic cylinder 15 is turned on to extend and run, the hydraulic cylinder 15 drives the pressure block 16 to move downward, the second convex column 17 is plugged with the top of the valve body 14, the pressure block 16 abuts against the top of the valve body 14, the valve body 14 is clamped and fixed, the top and bottom of the valve body 14 are in contact with the rubber pad 18, which improves protection while increasing friction, further improving the fixing effect of the valve body 14, closing the hydraulic cylinder 15, and when the valve body 14 needs to be rotated for processing, the two hand screws 20 are screwed out, the inner frame 3 is unlocked, the servo motor 8 is turned on, the servo motor 8 runs and acts on the second rotating shaft 9, the second rotating shaft 9 drives the inner frame 3, the first rotating shaft 6 and the valve body 14 to rotate as a whole, the second bearing 11 effectively supports the second rotating shaft 9, the first bearing 5 effectively supports the first rotating shaft 6, after the valve body 14 rotates to a suitable angle, the servo motor 8 stops, the whole process stably places the ball valve for rapid fixation, saving time The time and manpower are improved, and the rotation is flexible and convenient for more processing operations. After the ball valve processing operation is completed, the servo motor is turned on again to make the inner frame 3 return to its original position, and the servo motor is turned off again. The through hole 21 of the outer frame 2 and the thread groove 22 of the inner frame 3 correspond to each other, and two hand-tightening bolts 20 are obtained. The two hand-tightening bolts 20 pass through the through holes 21 and are connected with the thread groove 22 respectively, and the inner frame 3 is effectively locked. The hydraulic cylinder 15 is turned on for contraction operation, and the pressing block 16 moves upward and away from the valve body 14. The processed valve body 14 is removed from the support platform 12 When moving and processing valve bodies 14 of other sizes, it is necessary to replace the support platform 12 and the pressure block 16, remove the two first bolts 24, separate the support platform 12 and the connecting block 23 from the inner frame 3, obtain a new support platform 12 and then use the two first bolts 24 to connect and install it, so as to replace the support platform 12, remove multiple second bolts 26, separate the pressure block 16 from the connecting plate 25 at the bottom of the hydraulic cylinder 15, obtain a new pressure block 16 and then use multiple second bolts 26 to connect and install it, so as to replace the pressure block 16.

[0030] Although the present invention has been shown and described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein within the scope of the claims.

Claims

1. A clamping device for ball valve production, comprising a base (1), an outer frame (2) and an inner frame (3), characterized in that: The outer frame (2) is arranged on the top of the base (1), the inner frame (3) is installed inside the outer frame (2), the top of the base (1) is provided with an inner groove (4), the top of the inner groove (4) is fixedly connected with a first bearing (5), the bottom of the inner frame (3) is fixedly connected with a first rotating shaft (6), the first rotating shaft (6) is connected to the inner ring of the first bearing (5), the first rotating shaft (6) reaches the inside of the inner groove (4), the top of the outer frame (2) is fixedly connected with a motor frame (7), a servo motor (8) is installed inside the motor frame (7), a second rotating shaft (9) is arranged at the bottom output end of the servo motor (8), the second rotating shaft (9) is connected to the inner frame (3), the inner of the outer frame (2) is provided with an inner hole (10), the top of the inner hole (10) is fixedly connected with a second rotating shaft (9), and the second rotating shaft (9) is connected to the inner frame (3). The inner frame (3) is provided with a support platform (12), the top of the support platform (12) is fixedly connected with a first convex column (13), a valve body (14) is placed on the top of the support platform (12), the first convex column (13) reaches the inside of the valve body (14), a hydraulic cylinder (15) is installed inside the inner frame (3), the hydraulic cylinder (15) is directly above the support platform (12), a pressure block (16) is installed at the bottom of the hydraulic cylinder (15), the bottom of the pressure block (16) is fixedly connected with a second convex column (17), the pressure block (16) abuts against the top of the valve body (14), and the second convex column (17) reaches the inside of the valve body (14).

2. A ball valve production clamping device according to claim 1, characterized in that: The support platform (12) is close to the bottom center of the inner frame (3), and the servo motor (8), the second rotating shaft (9), the hydraulic cylinder (15), the pressing block (16), the support platform (12) and the first rotating shaft (6) are on the same vertical center line.

3. The ball valve production clamping device according to claim 1 is characterized in that: The top of the support platform (12) is fixedly connected with a rubber pad (18), the valve body (14) and the rubber pad (18) are in contact with each other, and the bottom of the pressing block (16) is also fixedly connected with the rubber pad (18).

4. The ball valve production clamping device according to claim 1 is characterized in that: The top of the first convex column (13) is provided with a cut angle, and the bottom of the second convex column (17) is also provided with a cut angle.

5. The ball valve production clamping device according to claim 1 is characterized in that: The inner frame (3) is provided with a rounded corner (19) on the side, the outer frame (2) is provided with a hand-tightened bolt (20) on the side, the outer frame (2) is provided with a through hole (21) inside, the inner frame (3) is provided with a threaded groove (22) on the side, and the hand-tightened bolt (20) passes through the through hole (21) and is connected to the inside of the threaded groove (22).

6. A ball valve production clamping device according to claim 5, characterized in that: There are two hand-tightening bolts (20), and the two hand-tightening bolts (20) are respectively distributed on the left and right sides of the outer frame (2).

7. The ball valve production clamping device according to claim 1 is characterized in that: The bottom of the support platform (12) is fixedly connected with a connecting block (23), and a first bolt (24) is arranged inside the connecting block (23). There are two first bolts (24), and the two first bolts (24) are connected to the inside of the inner frame (3).

8. The ball valve production clamping device according to claim 1 is characterized by: A connecting plate (25) is fixedly connected to the bottom of the hydraulic cylinder (15), and a second bolt (26) is arranged inside the connecting plate (25). There are multiple second bolts (26), and the multiple second bolts (26) are connected to the inside of the pressing block (16).

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