Grinding device for ball valve production

Abstract

The utility model relates to a grinding device for ball valve production, which comprises a box body, a supporting table is fixedly connected in the box body, a groove is arranged in the supporting table, a supporting frame is fixedly connected in the groove, a placing seat is arranged at the top of the supporting frame, a valve rod workpiece is arranged at the top of the placing seat, and a first electric push rod is arranged at the top of the box body. The bottom output end of the servo motor is provided with a rotating shaft. The bottom of the rotating shaft is fixedly connected with a collet chuck. The bottom of the collet chuck is provided with a polisher. The bottom of the supporting table is provided with an inner groove. The front side of the box body is provided with a box door, and the surface of the box door is provided with an observation window. A door handle is fixedly connected to the surface of the box door, the first electric push rod acts on the lifting plate, the lifting plate, the servo motor, the collet chuck and the polisher synchronously move downwards, the polishing set component automatically moves downwards, manual operation is reduced, manpower is saved, fatigue is reduced, the polishing process is stable, and the machining quality is improved.

Description

Technical Field

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

[0002] Ball valves are mainly used in pipelines to cut off, distribute and change the flow direction of the medium. They can be closed tightly by simply rotating 90 degrees and using a very small torque. In my country, ball valves are widely used in industries such as petroleum refining, long-distance pipelines, chemicals, papermaking, pharmaceuticals, water conservancy, electricity, municipal administration and steel. The utility model patent with application number: CN202020651327.6 discloses a grinding device for ball valve production, including a chassis, a support rod is fixedly installed at the midpoint of one side wall of the chassis, and a first motor box is fixedly installed on the top of the support rod, a first motor is fixedly installed in the first motor box, one end of the first motor output shaft passes through the top of the first motor box and extends to the outside thereof, and a bottom plate is fixedly installed on the end of the first motor output shaft that passes through the top of the first motor box and extends to the outside thereof, and an adjacent slide groove is provided at the top of the bottom plate, a slider is slidably installed in the slide groove, and a splint is fixedly installed on the top of the slider, a rack is fixedly installed on one side of the slider, a gear is provided at the middle end of the slide groove, and the gear and the rack match, a turntable is fixedly installed on one end of the gear through a rotating rod, and a first limiting groove is provided on one side of the turntable, a reset spring is fixedly installed on the bottom end of the first limiting groove, and the reset spring A clamping rod is fixedly installed on the other end of the spring, and a plurality of clamping slots are opened on one side of the bottom plate close to the turntable, and the clamping slots match the clamping rod. A second limiting slot is opened on the top of the chassis, and an adjusting spring is fixedly installed inside the second limiting slot, a limiting block is fixedly installed on the other end of the adjusting spring, and a second motor box is fixedly installed on the top of the limiting block, a second motor is fixedly installed inside the second motor box, and the output shaft of the second motor passes through the top of the chassis and extends into the interior thereof, and a grinding knife is fixedly installed on one end of the output shaft of the second motor that passes through the top of the chassis and extends into the interior thereof, a guide plate is provided on the inner wall of the chassis, and a collection box is placed under the guide plate, a chassis door is provided on one side of the chassis, and an observation window is provided on the upper end of the chassis door; a toggle rod is fixedly installed on one side of the clamping rod; the observation window is parallel to the bottom plate; the guide plate is located below the support rod; sound insulation cotton is provided inside the chassis wall, and a pulley is provided at the bottom of the chassis. Press the second motor box downward, the second motor box moves downward, driving the second motor downward, and the second motor drives the grinding knife downward to fit the grinding knife with the top of the valve stem. However, manual operation is more troublesome, increasing fatigue, and the overall force cannot be effectively balanced and controlled. Utility Model Content

[0003] The utility model aims to solve the problems existing in the above-mentioned prior art and provides a grinding device for ball valve production, which can automatically move down the grinding assembly parts to reduce manual operation, save manpower and reduce fatigue, stabilize the grinding process and improve the processing quality.

[0004] The utility model adopts a technical solution to solve its technical problems: the grinding device for ball valve production comprises a box body, a support platform is fixedly connected to the inside of the box body, a groove is arranged inside the support platform, a support frame is fixedly connected to the inside of the groove, a placement seat is installed on the top of the support frame, a valve stem workpiece is installed on the top of the placement seat, a first electric push rod is installed on the top of the box body, a lifting plate is arranged at the bottom of the first electric push rod, a servo motor is installed at the bottom of the lifting plate, a rotating shaft is arranged at the output end at the bottom of the servo motor, a collet is fixedly connected to the bottom of the rotating shaft, a grinder is installed at the bottom of the collet, an inner groove is arranged at the bottom of the support table, a hole is arranged at the bottom of the groove to connect to the inner groove, and a hole is arranged at the front side of the box body to connect to the inner groove. There is a box door, an observation window is arranged on the surface of the box door, a door handle is fixedly connected to the surface of the box door, the valve stem workpiece to be polished is installed on the top of the placement seat, the servo motor is turned on after the box door is closed, the servo motor runs to rotate the shaft, the shaft drives the collet and the grinder to rotate, the first electric push rod is turned on and extends, the first electric push rod acts on the lifting plate, the lifting plate, the servo motor, the collet and the grinder move downward synchronously, the grinder contacts the valve stem workpiece and performs polishing, the operator checks through the observation window, during the whole process the polishing group components automatically move downward to reduce manual operation, save manpower and reduce fatigue, the polishing process is stable and improves the processing quality.

[0005] For further improvement, there are two first electric push rods, which operate synchronously and are distributed on both sides of the top of the lifting plate. The two first electric push rods increase power while improving the stability of the lifting plate moving up and down.

[0006] Further improvement, the placement seat is located at the center of the box, the placement seat and the servo motor are on the same vertical line, the processing object is conveniently operated at the center of the box, the servo motor, the collet and the grinder move vertically downward and act on the processing object, and the moving path is stable.

[0007] Further improvement, the groove has an inclined surface inside, and the debris generated by grinding reaches the inner groove through the groove and the bottom hole. The debris is effectively discharged to reduce accumulation inside the box, thereby improving the cleanliness inside the box.

[0008] To be further improved, a storage box is arranged inside the inner groove, and movable wheels are arranged at the bottom of the storage box. There are multiple movable wheels, and an inner hole is opened on the side of the storage box. The storage box collects the debris generated by grinding, which is convenient for unified management and treatment. The inner hole increases the effective force, which is convenient for the operator to hold and push and pull the storage box. The multiple movable wheels facilitate the rapid transfer of the storage box and the collected debris.

[0009] For further improvement, an air compressor is arranged on the side of the box body, a transmission pipe is fixedly connected to the side of the air compressor, the transmission pipe reaches the inside of the box body, a second electric push rod is installed on the side of the box body, a moving block is fixedly connected to the side of the second electric push rod, a bamboo joint tube is arranged inside the moving block, the bamboo joint tube is connected to the transmission pipe, the bamboo joint tube is facing the valve stem workpiece and the placement seat, the second electric push rod extends and runs to drive the moving block and the bamboo joint tube to approach the valve stem workpiece, the compressed air in the air compressor passes through the transmission pipe to reach the bamboo joint tube, the compressed air is quickly blown toward the valve stem workpiece and the placement seat, thereby improving the cleanliness of the valve stem workpiece and the placement seat, reducing debris deposition and improving the processing effect.

[0010] To further improve, a placement groove is provided on the top of the placement seat, the valve stem workpiece is inserted into the placement groove, a first threaded hole is provided on the side of the placement seat, the first threaded hole is connected to the placement groove, a fixing bolt is threadedly connected to the inside of the first threaded hole, the fixing bolt presses against the side of the valve stem workpiece, the valve stem workpiece is stably placed by relying on the placement groove, the side of the valve stem workpiece is pressed against by the front end of the fixing bolt and is difficult to move and act at will, thereby realizing the installation and fixation of the valve stem workpiece, simplifying the operation and improving efficiency.

[0011] To further improve, a hexagonal groove is provided on the top of the support frame, and a hexagonal column is fixedly connected to the bottom of the placement seat, the hexagonal column is inserted into the hexagonal groove, and a second threaded hole is provided on the side of the placement seat, the second threaded hole is connected to the hexagonal groove, and a hand-tightening bolt is threadedly connected to the inside of the second threaded hole, and the hand-tightening bolt holds the side of the hexagonal column. The placement seat is stably placed by relying on the hexagonal column and the hexagonal groove, and the side of the hexagonal column is held by the front end of the hand-tightening bolt and is difficult to move and act at will, thereby realizing the installation and fixation of the placement seat, and the easy operation facilitates the removal and replacement of the placement seat.

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

[0013] 1. Install the valve stem workpiece to be polished on the top of the placement seat, close the box door and turn on the servo motor. The servo motor causes the shaft to rotate, and the shaft drives the collet and the grinder to rotate. The first electric push rod is turned on and extends. The first electric push rod acts on the lifting plate, and the lifting plate, servo motor, collet and grinder move downward synchronously. The grinder contacts the valve stem workpiece and polishes it. The operator views it through the observation window. During the whole process, the polishing group automatically moves down to reduce manual operation, save manpower and reduce fatigue. The polishing process is stable and improves the processing quality.

[0014] 2. The debris generated by grinding is collected through the storage box, which is convenient for unified management and processing. The inner hole increases the effective force, which is convenient for the operator to hold and push and pull the storage box. Multiple moving wheels facilitate the rapid transfer of the storage box and the collected debris. The second electric push rod extends and drives the moving block and the bamboo tube to approach the valve stem workpiece. The compressed air in the air compressor reaches the bamboo tube through the transmission pipe. The compressed air is quickly blown to the valve stem workpiece and the placement seat, which improves the cleanliness of the valve stem workpiece and the placement seat, reduces the deposition of debris and improves the processing effect.

[0015] 3. The valve stem workpiece is stably placed by relying on the placement groove, and the side of the valve stem workpiece is held by the front end of the fixing bolt and is difficult to move and move at will, so the valve stem workpiece can be installed and fixed, and the operation is simple and the efficiency is improved. The placement seat is stably placed by relying on the hexagonal prism and the hexagonal groove, and the side of the hexagonal prism is held by the front end of the hand-tightened bolt and is difficult to move and move at will, so the placement seat can be installed and fixed, and the operation is easy and convenient for the removal and replacement of the placement seat. 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 schematic diagram of the structure of the placement seat of the utility model;

[0020] Figure 5 This is a display diagram of the valve stem workpiece installation of the utility model;

[0021] Figure 6 This is a display diagram of the installation of the placement seat of the utility model;

[0022] Figure 7 It is a front view of the structure of the utility model;

[0023] Figure 8 For the utility model Figure 7 Enlarged view of point C in the middle;

[0024] Fig. 9 This is a back view of the structure of the utility model;

[0025] Fig.10 For the utility model Fig. 9 Enlarged view of point D in the middle.

[0026] Explanation of the reference numerals in the accompanying drawings: 1. Box body; 2. Support platform; 3. Groove; 4. Support frame; 5. Placement seat; 6. Valve stem workpiece; 7. First electric push rod; 8. Lifting plate; 9. Servo motor; 10. Rotating shaft; 11. Collet; 12. Grinder; 13. Inner groove; 14. Box door; 15. Observation window; 16. Door handle; 17. Storage box; 18. Moving wheel; 19. Inner hole; 20. Air compressor; 21. Transmission pipe; 22. Second electric push rod; 23. Moving block; 24. Bamboo tube; 25. Placement groove; 26. First threaded hole; 27. Fixing bolt; 28. Hexagonal groove; 29. ​​Hexagonal prism; 30. Second threaded hole; 31. Hand-tightened bolt. DETAILED DESCRIPTION

[0027] The following is combined with Figure 1-10 This embodiment is further described:

[0028] like Figure 1 , Figure 2 , Figure 3 , Figure 5 , Figure 6 , Figure 7 , Fig. 9 and Fig.10 As shown: In this embodiment, a grinding device for ball valve production includes a box body 1, a support platform 2 is fixedly connected to the box body 1, a groove 3 is arranged inside the support platform 2, a support frame 4 is fixedly connected to the groove 3, a placement seat 5 is installed on the top of the support frame 4, a valve stem workpiece 6 is installed on the top of the placement seat 5, a first electric push rod 7 is installed on the top of the box body 1, a lifting plate 8 is arranged at the bottom of the first electric push rod 7, a servo motor 9 is installed at the bottom of the lifting plate 8, a rotating shaft 10 is arranged at the output end of the bottom of the servo motor 9, and a collet 11 is fixedly connected to the bottom of the rotating shaft 10. A grinder 12 is installed at the bottom of the collet 11, an inner groove 13 is arranged at the bottom of the support platform 2, a hole is arranged at the bottom of the groove 3 to connect to the inner groove 13, a box door 14 is installed on the front side of the box body 1, an observation window 15 is arranged on the surface of the box door 14, a door handle 16 is fixedly connected to the surface of the box door 14, there are two first electric push rods 7, the two first electric push rods 7 run synchronously, the placement seat 5 is at the center position inside the box body 1, the placement seat 5 and the servo motor 9 are on the same vertical line, there is an inclined surface inside the groove 3, and the debris generated by grinding reaches the inner groove 13 through the groove 3 and the bottom hole.

[0029] like Figure 1 , Figure 7 , Figure 8 , Fig. 9 and Fig.10As shown: a storage box 17 is arranged inside the inner groove 13, a moving wheel 18 is arranged at the bottom of the storage box 17, there are multiple moving wheels 18, an inner hole 19 is opened on the side of the storage box 17, an air compressor 20 is arranged on the side of the box body 1, a transmission pipe 21 is fixedly connected to the side of the air compressor 20, the transmission pipe 21 reaches the inside of the box body 1, a second electric push rod 22 is installed on the side of the box body 1, a moving block 23 is fixedly connected to the side of the second electric push rod 22, a bamboo joint tube 24 is arranged inside the moving block 23, the bamboo joint tube 24 is connected to the transmission pipe 21, and the bamboo joint tube 24 faces the valve stem workpiece 6 and the placement seat 5.

[0030] like Figure 3-6 As shown: a placement groove 25 is opened on the top of the placement seat 5, and the valve stem workpiece 6 is inserted into the placement groove 25. A first threaded hole 26 is opened on the side of the placement seat 5, and the first threaded hole 26 is connected to the placement groove 25. A fixing bolt 27 is threadedly connected inside the first threaded hole 26, and the fixing bolt 27 presses against the side of the valve stem workpiece 6. A hexagonal groove 28 is opened on the top of the support frame 4, and a hexagonal column 29 is fixedly connected to the bottom of the placement seat 5, and the hexagonal column 29 is inserted into the hexagonal groove 28. A second threaded hole 30 is opened on the side of the placement seat 5, and the second threaded hole 30 is connected to the hexagonal groove 28. A hand-tightening bolt 31 is threadedly connected inside the second threaded hole 30, and the hand-tightening bolt 31 presses against the side of the hexagonal column 29.

[0031] The utility model is used as follows: the placement seat 5 is first placed on the top of the support frame 4, the hexagonal column 29 and the hexagonal groove 28 at the bottom of the placement seat 5 are plugged into each other, and a hand-tightening bolt 31 is obtained. The hand-tightening bolt 31 is threadedly connected with the second threaded hole 30, and the front end of the hand-tightening bolt 31 reaches the hexagonal groove 28 and abuts against the side of the hexagonal column 29, and the hand-tightening bolt 31 is tightened to achieve the installation and fixation of the placement seat 5. The valve stem workpiece 6 that needs to be polished is installed on the top of the placement seat 5, and the bottom of the valve stem workpiece 6 is inserted into the placement groove 25. A fixing bolt 27 is obtained, and the front end of the fixing bolt 27 reaches the placement groove 25 and abuts against the side of the valve stem workpiece 6. The fixing bolt 27 is tightened to achieve the installation and fixation of the valve stem workpiece 6, and the servo motor 9 is turned on after closing the box door 14. The servo motor 9 runs to rotate the rotating shaft 10, and the rotating shaft 10 drives the collet 11 and the grinder 12 to rotate. The two first electric push rods 7 are opened and extended. The lifting plate 8, the lifting plate 8, the servo motor 9, the collet 11 and the grinder 12 move downward synchronously, the grinder 12 contacts the valve stem workpiece 6 and performs a grinding process, and the operator views it through the observation window 15. During the whole process, the grinding group components automatically move downward to reduce manual operation, save manpower and reduce fatigue. The grinding process is stable and improves the processing quality. During the grinding process, the second electric push rod 22 extends and drives the moving block 23 and the bamboo tube 24 to approach the valve stem workpiece 6. The air compressor 20 is turned on, and the compressed air in the air compressor 20 reaches the bamboo tube 24 through the transmission pipe 21. The compressed air is quickly blown to the valve stem workpiece 6 and the placement seat 5, thereby improving the cleanliness of the valve stem workpiece 6 and the placement seat 5 and reducing the deposition of debris. The debris passes through the groove 3 and the bottom hole, and the debris reaches the storage box 17 in the inner groove 13. The debris is effectively discharged to reduce the accumulation inside the box body 1, thereby improving the cleanliness inside the box body 1, and the storage box 17 collects the debris for convenient unified management and processing.

[0032] 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 grinding device for ball valve production, comprising a housing (1), characterized in that: The box body (1) is fixedly connected to a support platform (2), a groove (3) is provided inside the support platform (2), a support frame (4) is fixedly connected inside the groove (3), a placement seat (5) is installed on the top of the support frame (4), a valve stem workpiece (6) is installed on the top of the placement seat (5), a first electric push rod (7) is installed on the top of the box body (1), a lifting plate (8) is provided at the bottom of the first electric push rod (7), and a servo motor (9) is installed at the bottom of the lifting plate (8). A rotating shaft (10) is arranged at the output end at the bottom of the servo motor (9), a collet (11) is fixedly connected to the bottom of the rotating shaft (10), a grinder (12) is installed at the bottom of the collet (11), an inner groove (13) is arranged at the bottom of the support platform (2), a hole is arranged at the bottom of the groove (3) and connected to the inner groove (13), a box door (14) is installed at the front side of the box body (1), an observation window (15) is arranged on the surface of the box door (14), and a door handle (16) is fixedly connected to the surface of the box door (14).

2. A grinding device for ball valve production according to claim 1, characterized in that: There are two first electric push rods (7), and the two first electric push rods (7) operate synchronously.

3. The grinding device for ball valve production according to claim 1 is characterized in that: The placement seat (5) is located at the center of the box body (1), and the placement seat (5) and the servo motor (9) are on the same vertical line.

4. The grinding device for ball valve production according to claim 1 is characterized in that: The groove (3) has an inclined surface inside, and the debris generated by grinding passes through the groove (3) and the bottom hole to reach the inner groove (13).

5. The grinding device for ball valve production according to claim 1 is characterized in that: A storage box (17) is arranged inside the inner groove (13), a moving wheel (18) is arranged at the bottom of the storage box (17), there are a plurality of moving wheels (18), and an inner hole (19) is opened on the side of the storage box (17).

6. The grinding device for ball valve production according to claim 1 is characterized in that: An air compressor (20) is arranged on the side of the box body (1), a transmission pipe (21) is fixedly connected to the side of the air compressor (20), and the transmission pipe (21) reaches the inside of the box body (1). A second electric push rod (22) is installed on the side of the box body (1), and a moving block (23) is fixedly connected to the side of the second electric push rod (22). A bamboo joint tube (24) is arranged inside the moving block (23), and the bamboo joint tube (24) is connected to the transmission pipe (21). The bamboo joint tube (24) faces the valve stem workpiece (6) and the placement seat (5).

7. The grinding device for ball valve production according to claim 1 is characterized in that: The top of the placement seat (5) is provided with a placement groove (25), the valve stem workpiece (6) is inserted into the placement groove (25), and the side of the placement seat (5) is provided with a first threaded hole (26), the first threaded hole (26) is connected to the placement groove (25), and the first threaded hole (26) is internally threadedly connected with a fixing bolt (27), and the fixing bolt (27) abuts against the side of the valve stem workpiece (6).

8. The grinding device for ball valve production according to claim 1 is characterized by: The top of the support frame (4) is provided with a hexagonal groove (28), the bottom of the placement seat (5) is fixedly connected with a hexagonal column (29), the hexagonal column (29) is inserted into the hexagonal groove (28), and the side of the placement seat (5) is provided with a second threaded hole (30), the second threaded hole (30) is connected to the hexagonal groove (28), the second threaded hole (30) is threadedly connected with a hand-tightening bolt (31), and the hand-tightening bolt (31) abuts against the side of the hexagonal column (29).

Images