Clamping device for machining and punching of stop valve

Abstract

The utility model discloses a clamping device for machining and punching a stop valve, and relates to the technical field of stop valve machining. The top surface of the bottom plate is fixedly connected with a vertical frame, the upper part of the side wall of the vertical frame is fixedly connected with a ring body, a ring opening of the ring body is rotatably connected with a rotating shaft in a penetrating manner, one end of the rotating shaft is fixedly connected with a first gear, the other end of the rotating shaft is fixedly connected with a movable frame, and a second motor is arranged on the top surface of the movable frame in a penetrating manner; the output shaft end of the second motor is fixedly connected with a double-thread screw, the side wall of the double-thread screw is sleeved with a threaded barrel in a threaded mode, a concave plate is arranged on one side of the threaded barrel, the middle of the side wall of the concave plate is fixedly connected with a first clamping plate, and electric cylinders are arranged at the two ends of the side wall of the concave plate. The double-sided punching device is convenient to use, double-sided punching can be carried out without clamping the valve body for many times, clamping is firm, and the situation that the punching effect is affected due to the fact that the valve body shakes during punching is effectively avoided.

Description

Technical Field

[0001] This utility model relates to the field of gate valve processing technology, specifically a clamping device for drilling holes in gate valve processing. Background Technology

[0002] A gate valve, also known as a stop valve, is a type of forced-seal valve. Therefore, when the valve is closed, pressure must be applied to the valve disc to force a leak-proof seal. When the medium enters the valve from below the valve disc, the resistance that the operating force needs to overcome is the frictional force of the valve stem and packing, plus the thrust generated by the pressure of the medium. The force required to close the valve is greater than the force required to open it, so the diameter of the valve stem must be larger; otherwise, the valve stem may bend. During the manufacturing process of a gate valve, holes need to be drilled at the flange.

[0003] Existing clamping devices for drilling holes in gate valves require removing the valve body after drilling one side of the gate valve, flipping the gate valve over, and then re-clamping the flipped valve body, which is quite cumbersome. To address this problem, the inventor proposes a clamping device for drilling holes in gate valves. Utility Model Content

[0004] In order to solve the problem of cumbersome operation of existing clamping devices for drilling holes in gate valves, the purpose of this utility model is to provide a clamping device for drilling holes in gate valves.

[0005] To solve the above technical problems, the present invention adopts the following technical solution: a clamping device for drilling holes in a gate valve, comprising a base plate, a support frame fixedly connected to the top surface of the base plate, a ring body fixedly connected to the upper side wall of the support frame, a rotating shaft rotatably connected to the opening of the ring body, a first gear fixedly connected to one end of the rotating shaft, a movable frame fixedly connected to the other end of the rotating shaft, a second motor inserted into the top surface of the movable frame, a double-ended screw fixedly connected to the output shaft end of the second motor, a threaded cylinder threadedly fitted onto the side wall of the double-ended screw, a concave plate provided on one side of the threaded cylinder, a first clamping plate fixedly connected to the middle of the side wall of the concave plate, electric cylinders provided at both ends of the side wall of the concave plate, and a second clamping plate fixedly connected to the output shaft end of the electric cylinder.

[0006] Preferably, a first motor is provided on one side of the support frame, and a worm gear is fixedly connected to the output shaft end of the first motor. A base is provided on the side wall of the first motor, and the base is fixedly connected to the side wall of the support frame. A valve body is provided on one side of the concave plate, and both the first clamping plate and the second clamping plate cooperate with the valve body. The first motor is installed through the base. When the first motor is started, the worm gear rotates under the action of the output shaft of the first motor. A worm wheel meshes with the side wall of the worm gear, and a transmission shaft is fixedly connected through the middle of the side wall of the worm wheel. A second gear is fixedly sleeved on the side wall of the transmission shaft and on one side of the worm wheel. The second gear corresponds to and meshes with the first gear. When the worm gear rotates, the meshing between the worm gear and the worm wheel causes the transmission shaft to drive the second gear to rotate, so that the second gear meshes with the first gear, thereby causing the rotating shaft to drive the movable frame to rotate. It should be noted that when the movable frame rotates, it needs to rotate 180 degrees each time so that the end face of the valve body is in a horizontal state, so as to drill holes in the end face of the valve body.

[0007] Preferably, a cavity plate is fixedly connected to the top surface of the movable frame and to one side of the double-ended screw, and the side wall of the cavity plate is fixedly connected to the shaft end of the rotating shaft. A slide rail is fixedly connected to the outer side wall of the threaded cylinder. An opening is provided on the side wall of the cavity plate. The slide rail corresponds to and is slidably connected to the opening. When the second motor is started, the double-ended screw rotates under the action of the output shaft of the second motor. Through the cooperation between the double-ended screw and the threaded cylinder, and under the action of the slide rail and the cavity plate, the threaded cylinder can move up and down smoothly. Then, the concave plate can be moved by the crossbar. A crossbar is fixedly connected to the side wall of the concave plate. The end of the crossbar away from the concave plate is fixedly connected to the outer side wall of the threaded cylinder. When the threaded cylinder moves, the concave plate can be moved by the crossbar, so that the two first clamping plates move relative to each other, thereby clamping and fixing the upper and lower end faces of the valve body.

[0008] Preferably, the electric cylinder is provided with a fixed seat on its side wall. The fixed seat is fixedly connected to the side wall of the concave plate. The electric cylinder is installed through the fixed seat. When the electric cylinder is started, the second clamping plate moves under the action of the output shaft of the electric cylinder to clamp and fix the outer arc surface of the valve body, thereby improving the stability of the valve body when drilling.

[0009] Compared with the prior art, the beneficial effects of this utility model are as follows: the first clamping plate can clamp and fix the end face of the valve body, and the second clamping plate can clamp and fix the outer arc surface of the valve body, thereby improving the stability of the valve body when drilling. It is also convenient to use, and double-sided drilling can be performed without multiple clamping of the valve body. After drilling the top surface of the valve body, when drilling the other side of the valve body is required, the first motor is started. Through the cooperation of the worm and worm wheel, and the meshing of the second gear and the first gear, the rotating shaft can drive the movable frame to rotate 180 degrees to drill the other end face of the valve body. Attached Figure Description

[0010] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0011] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0012] Figure 2 This is another structural schematic diagram of the present utility model.

[0013] Figure 3 This is a schematic diagram showing the cooperation between the rotating shaft and the movable frame of this utility model.

[0014] Figure 4 This is an enlarged view of section A of this utility model.

[0015] In the diagram: 1. Base plate; 2. Stand; 3. Ring body; 4. Rotating shaft; 5. First gear; 6. First motor; 7. Base; 8. Worm; 9. Worm wheel; 10. Second gear; 11. Movable frame; 12. Second motor; 13. Double-ended screw; 14. Threaded cylinder; 15. Slide rail; 16. Cavity plate; 17. Crossbar; 18. Concave plate; 19. First clamping plate; 20. Electric cylinder; 21. Second clamping plate; 22. Valve body. Detailed Implementation

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0017] Example: Figure 1-4 As shown, this utility model provides a clamping device for drilling holes in gate valve processing, including a base plate 1, a stand 2 fixedly connected to the top surface of the base plate 1, a ring 3 fixedly connected to the upper part of the side wall of the stand 2, a rotating shaft 4 rotatably connected to the ring opening of the ring 3, a first gear 5 fixedly connected to one end of the rotating shaft 4, a movable frame 11 fixedly connected to the other end of the rotating shaft 4, a second motor 12 inserted through the top surface of the movable frame 11, a double-ended screw 13 fixedly connected to the output shaft end of the second motor 12, a threaded cylinder 14 threadedly sleeved on the side wall of the double-ended screw 13, a concave plate 18 provided on one side of the threaded cylinder 14, a first clamping plate 19 fixedly connected to the middle of the side wall of the concave plate 18, electric cylinders 20 provided at both ends of the side wall of the concave plate 18, and a second clamping plate 21 fixedly connected to the output shaft end of the electric cylinder 20.

[0018] A first motor 6 is provided on one side of the support frame 2. A worm gear 8 is fixedly connected to the output shaft end of the first motor 6. A base 7 is provided on the side wall of the first motor 6. The base 7 is fixedly connected to the side wall of the support frame 2.

[0019] By adopting the above technical solution, a valve body 22 is provided on one side of the concave plate 18, and the first clamping plate 19 and the second clamping plate 21 are both in cooperation with the valve body 22. The first motor 6 is installed through the base 7. When the first motor 6 is started, the worm gear 8 rotates under the action of the output shaft of the first motor 6.

[0020] The worm 8 has a worm wheel 9 meshing with its side wall. A drive shaft is fixedly connected to the middle of the side wall of the worm wheel 9. A second gear 10 is fixedly sleeved on the side wall of the drive shaft and on one side of the worm wheel 9. The second gear 10 corresponds to and meshes with the first gear 5.

[0021] By adopting the above technical solution, when the worm 8 rotates, the meshing between the worm 8 and the worm wheel 9 causes the transmission shaft to drive the second gear 10 to rotate, so that the second gear 10 meshes with the first gear 5, thereby causing the rotating shaft 4 to drive the movable frame 11 to rotate. It should be noted that when the movable frame 11 rotates, it needs to rotate 180 degrees each time so that the end face of the valve body 22 is in a horizontal state, so that the end face of the valve body 22 can be drilled.

[0022] A cavity plate 16 is fixedly connected to the top surface of the movable frame 11 and to one side of the double-headed screw 13. The side wall of the cavity plate 16 is fixedly connected to the shaft end of the rotating shaft 4. A slide rail 15 is fixedly connected to the outer side wall of the threaded cylinder 14. The side wall of the cavity plate 16 is provided with a cavity opening. The slide rail 15 corresponds to the cavity opening and is slidably connected.

[0023] By adopting the above technical solution, the second motor 12 is started, and the double-headed screw 13 rotates under the action of the output shaft of the second motor 12. Through the cooperation between the double-headed screw 13 and the threaded cylinder 14, and under the action of the slide rail 15 and the cavity plate 16, the threaded cylinder 14 can move up and down smoothly, and then the concave plate 18 can be moved by the crossbar 17.

[0024] A crossbar 17 is fixedly connected to the side wall of the concave plate 18, and the end of the crossbar 17 away from the concave plate 18 is fixedly connected to the outer side wall of the threaded cylinder 14.

[0025] By adopting the above technical solution, when the threaded cylinder 14 moves, the crossbar 17 can drive the concave plate 18 to move, so that the two first clamping plates 19 can move relative to each other, thereby clamping and fixing the upper and lower end faces of the valve body 22.

[0026] The electric cylinder 20 has a fixed seat on its side wall, which is fixedly connected to the side wall of the concave plate 18.

[0027] By adopting the above technical solution, the electric cylinder 20 is installed through a fixed base. When the electric cylinder 20 is started, the second clamping plate 21 moves under the action of the output shaft of the electric cylinder 20 to clamp and fix the outer arc surface of the valve body 22, thereby improving the stability of the valve body 22 when drilling.

[0028] Working principle: When using this utility model, the valve body 22 to be drilled is placed between two first clamping plates 19. The second motor 12 is started, and the double-headed screw 13 rotates under the action of the output shaft of the second motor 12. Through the cooperation between the double-headed screw 13 and the threaded cylinder 14, and under the action of the slide rail 15 and the cavity plate 16, the threaded cylinder 14 moves smoothly. Then, the crossbar 17 drives the concave plate 18 to move, so that the two first clamping plates 19 move relative to each other, thereby clamping and fixing the upper and lower end faces of the valve body 22.

[0029] Next, the electric cylinder 20 is started, and the second clamping plate 21 moves under the action of the output shaft of the electric cylinder 20 to clamp and fix the outer arc surface of the valve body 22, so as to improve the stability of the valve body 22 when drilling.

[0030] After drilling the top surface of the valve body 22, the first motor 6 is started. The worm 8 rotates under the action of the output shaft of the first motor 6. The meshing of the worm 8 and the worm wheel 9 causes the transmission shaft to drive the second gear 10 to rotate, thereby causing the second gear 10 to mesh with the first gear 5. This causes the rotating shaft 4 to drive the movable frame 11 to rotate 180 degrees to drill the other end face of the valve body 22.

[0031] Obviously, those skilled in the art can make various modifications and variations to this utility model without departing from its spirit and scope. Therefore, if these modifications and variations fall within the scope of the claims of this utility model and their equivalents, this utility model also intends to include these modifications and variations.

Claims

1. A clamping device for drilling holes in a gate valve, comprising a base plate (1), characterized in that: A support frame (2) is fixedly connected to the top surface of the base plate (1). A first motor (6) is provided on one side of the support frame (2). A worm gear (8) is fixedly connected to the output shaft end of the first motor (6). A worm wheel (9) meshes with the side wall of the worm gear (8). A transmission shaft is fixedly connected through the middle of the side wall of the worm wheel (9). A second gear (10) is fixedly sleeved on the side wall of the transmission shaft and on one side of the worm wheel (9). A ring body (3) is fixedly connected to the upper part of the side wall of the support frame (2). A rotating shaft (4) is rotatably connected through the ring opening of the ring body (3). A first gear (5) is fixedly connected to one end of the rotating shaft (4). The second gear (10) is connected to the first gear (5). The gears (5) are corresponding and meshing. The other end of the rotating shaft (4) is fixedly connected to a movable frame (11). A second motor (12) is inserted through the top surface of the movable frame (11). A double-headed screw (13) is fixedly connected to the output shaft end of the second motor (12). A threaded cylinder (14) is threaded on the side wall of the double-headed screw (13). A concave plate (18) is provided on one side of the threaded cylinder (14). A first clamping plate (19) is fixedly connected to the middle of the side wall of the concave plate (18). Electric cylinders (20) are provided at both ends of the side wall of the concave plate (18). A second clamping plate (21) is fixedly connected to the output shaft end of the electric cylinder (20).

2. The clamping device for drilling holes in a gate valve as described in claim 1, characterized in that, The first motor (6) has a base (7) on its side wall, and the base (7) is fixedly connected to the side wall of the stand (2).

3. The clamping device for drilling holes in a gate valve as described in claim 1, characterized in that, A cavity plate (16) is fixedly connected to the top surface of the movable frame (11) and to one side of the double-headed screw (13), and the side wall of the cavity plate (16) is fixedly connected to the shaft end of the rotating shaft (4).

4. The clamping device for drilling holes in a stop valve as described in claim 3, characterized in that, The outer wall of the threaded cylinder (14) is fixedly connected to a slide rail (15), and the side wall of the cavity plate (16) is provided with a cavity opening. The slide rail (15) corresponds to and is slidably connected to the cavity opening.

5. The clamping device for drilling holes in a gate valve as described in claim 1, characterized in that, A crossbar (17) is fixedly connected to the side wall of the concave plate (18), and the end of the crossbar (17) away from the concave plate (18) is fixedly connected to the outer side wall of the threaded cylinder (14).

6. The clamping device for drilling holes in a gate valve as described in claim 1, characterized in that, The electric cylinder (20) has a fixed seat on its side wall, and the fixed seat is fixedly connected to the side wall of the concave plate (18).

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