Rotary fixing device for welding gate valve

Abstract

The utility model relates to the field of mechanical engineering, in particular to a rotary fixing device for welding a gate valve. The utility model provides the rotary fixing device for welding the gate valve, which can automatically turn over the gate valve, is convenient for faster welding operation, saves manpower and time, and improves the working efficiency. A rotary fixing device for gate valve welding comprises a base, a first motor and the like, and the first motor is connected to the left portion of the base. The trackless air cylinder is started to drive the hydraulic cylinder to move leftwards, so that the hollow shaft and the air bag penetrate through a pipeline opening in the side edge of the gate valve, then the air pump is started to enable the air bag to expand to make contact with the inner side of the gate valve, and then the second motor is started to drive the hollow shaft to rotate to enable the gate valve to rotate, so that the gate valve can be automatically turned over; and welding operation can be carried out more quickly, manpower and time are saved, and the working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical engineering field especially, relate to a rotary fixing device for gate valve welding. BACKGROUND

[0002] The rotary fixing device for gate valve welding is a kind of equipment specially designed for ensuring that gate valve is stably fixed and allowing it to be accurately welded when welding gate valve, the existing rotary fixing device for gate valve welding, gate valve is usually fixed on triangular claw disc, then triangular claw disc is driven to rotate by motor, drives gate valve to rotate, welds inner sealing ring to the inside of gate valve, but as welding inner sealing ring, the two sides of inner sealing ring need to be welded, after welding one side, gate valve needs to be turned over and fixed on triangular claw disc by artificial, artificial turning over consumes manpower and time, influence work efficiency, it is inconvenient.

[0003] Therefore, a rotary fixing device for gate valve welding that can automatically turn over gate valve, facilitate faster welding operation, save manpower and time and improve work efficiency needs to be designed. UTILITY MODEL CONTENTS

[0004] In order to overcome the shortcomings of the existing rotary fixing device for gate valve welding, after welding one side, gate valve needs to be turned over and fixed on triangular claw disc by artificial, artificial turning over consumes manpower and time, influence work efficiency, the utility model provides a rotary fixing device for gate valve welding that can automatically turn over gate valve, facilitate faster welding operation, save manpower and time and improve work efficiency.

[0005] Technical scheme is: a rotary fixing device for gate valve welding, including base, first motor, rotary disc, clamping assembly and turnover assembly, the left part of base is connected with first motor, and the output shaft of first motor is connected with rotary disc, the left part of base is equipped with the clamping assembly that can be clamped and fixed to gate valve, and the right part of base is equipped with the turnover assembly that can automatically turn over gate valve.

[0006] Further, the clamping assembly includes support ring, fixed block, electric push rod and clamping block, the upper side of the left part of base is connected with support ring, support ring is rotatably connected with rotary disc, the outer side of support ring is connected with multiple fixed blocks, the electric push rod is connected with the fixed block, and the telescopic end of electric push rod is connected with clamping block.

[0007] Further, the turnover assembly comprises a hydraulic cylinder, a trackless air cylinder, a hollow shaft, a second motor, an air pump, a gas conveying ring and an air bag, the right side of the base is connected with the trackless air cylinder, the sliding block of the trackless air cylinder is connected with the hydraulic cylinder, the telescopic end of the hydraulic cylinder is provided with a connecting block, the upper right part of the connecting block is connected with the second motor, the output shaft of the second motor is connected with the hollow shaft, the hollow shaft is rotatably connected with the connecting block, the left part of the connecting block is connected with the air pump, the gas conveying ring is connected with the air pump, the right part of the hollow shaft is connected with the gas conveying ring, and the left part of the hollow shaft is connected with the air bag.

[0008] Further, the upper and lower parts of the air bag are provided with a plurality of air holes.

[0009] Further, the turnover assembly comprises a hydraulic cylinder, a trackless air cylinder, a hollow shaft, a second motor, an air pump, a gas conveying ring and an air bag, the right side of the base is connected with the trackless air cylinder, the sliding block of the trackless air cylinder is connected with the hydraulic cylinder, the telescopic end of the hydraulic cylinder is provided with a connecting block, the upper right part of the connecting block is connected with the second motor, the output shaft of the second motor is connected with the hollow shaft, the hollow shaft is rotatably connected with the connecting block, the left part of the connecting block is connected with the air pump, the gas conveying ring is connected with the air pump, the right part of the hollow shaft is connected with the gas conveying ring, and the left part of the hollow shaft is connected with the air bag.

[0010] Further, the air suction pipe is of a pleated structure.

[0011] The utility model discloses a beneficial effect: 1, the utility model discloses a trackless air cylinder is started, and the hydraulic cylinder is moved to left with the drive, makes the hollow shaft and air bag pass through the pipeline mouth of the side edge of the gate valve, then starts the air pump, and makes the air bag expansion contact the inside of gate valve, and then starts the second motor, and the drive hollow shaft rotates, makes the gate valve rotate, reaches can automatically turn over to the gate valve, and the effect of convenient faster welding operation, saves manpower and time, improves work efficiency.

[0012] 2, the utility model discloses a air suction pipe is stretched to the welding position, and then is connected with the pipeline through the mounting block, and then starts the third motor, and the fan blade in the drive fan rotates, makes the smoke generated when welding into the air suction pipe, and then is discharged from the pipeline connected on the mounting block, reaches can when welding to the smoke generated adsorption discharge, improves the air quality of working environment, guarantees the effect of worker's health. ACCURATE DRAWINGS

[0013] Figure 1 It is the three-dimensional structure schematic diagram of the utility model.

[0014] Figure 2 It is the three-dimensional structure sectional view of rotating disc and support ring and other components of the utility model.

[0015] Figure 3 It is the three-dimensional structure sectional view of hydraulic cylinder and hollow shaft and other components of the utility model.

[0016] Figure 4 It is the three-dimensional structure sectional view of air pump and gas conveying ring and other components of the utility model.

[0017] Figure 5The utility model discloses a three -dimensional structure cross section view of third motor and fan etc.

[0018] The utility model discloses a base 1, first motor 2, rotary disc 3, clamping subassembly and turnover subassembly, base 1 left part is connected with first motor 2, and the output shaft of first motor 2 is connected with rotary disc 3, and base 1 left part is equipped with clamping subassembly, and base 1 right part is equipped with turnover subassembly. DETAILED DESCRIPTION

[0019] The utility model will be concretely described below in connection with the drawings.

[0020] A gate valve welding rotary fixing device, as shown in Figure 1 and Figure 2 , including base 1, first motor 2, rotary disc 3, clamping subassembly and turnover subassembly, base 1 left part is connected with first motor 2, and the output shaft of first motor 2 is connected with rotary disc 3, and base 1 left part is equipped with clamping subassembly, and base 1 right part is equipped with turnover subassembly.

[0021] As shown in Figure 1 and Figure 2 , clamping subassembly includes support ring 4, fixed block 5, electric push rod 6 and clamping block 7, and the upper side of base 1 left part is connected with support ring 4, and support ring 4 is rotatably connected with rotary disc 3, and the outer side of support ring 4 is connected with three fixed blocks 5, and the electric push rod 6 is connected with the fixed block 5, and the telescopic end of electric push rod 6 is connected with clamping block 7.

[0022] As shown in Figure 1 , Figure 3 and Figure 4 , further including turnover subassembly, and the turnover subassembly includes hydraulic cylinder 8, trackless air cylinder 81, hollow shaft 9, second motor 10, air pump 11, gas ring 12 and air bag 13, and the right side of base 1 is connected with trackless air cylinder 81, and the sliding block of trackless air cylinder 81 is connected with hydraulic cylinder 8, and the telescopic end of hydraulic cylinder 8 is provided with connecting block, and the right upper part of connecting block is connected with second motor 10, and the output shaft of second motor 10 is connected with hollow shaft 9, and hollow shaft 9 is rotatably connected with connecting block, and connecting block left part is connected with air pump 11, and gas ring 12 is connected with air pump 11, and the right part of hollow shaft 9 is connected with gas ring 12, and the left part of hollow shaft 9 is connected with air bag 13, and three air holes 1301 are formed in the upper and lower parts of air bag 13.

[0023] As shown in Figure 1 and Figure 5As shown, further include the mounting block 14, third motor 15, fan 16 and suction pipe 17, the connecting block upper side is connected with the mounting block 14, the mounting block 14 inside is connected with the third motor 15, the mounting block 14 left part inside is installed with the fan 16, the third motor 15 output shaft is connected with the fan 16, the mounting block 14 left side is connected with the suction pipe 17, the suction pipe 17 is the pleated structure, is convenient for stretching and twisting.

[0024] In use, first of all, the base 1 is placed in the gate valve welding area, then the gate valve to be welded is placed between the clamping blocks 7, then the electric push rod 6 on the fixing block 5 is started to drive the clamping blocks 7 to move outward, so that the clamping blocks 7 contact the inner wall of the gate valve to clamp and fix the gate valve, then the first motor 2 is started to drive the rotating disc 3 to rotate on the supporting ring 4 to drive the gate valve to rotate, then the inner sealing ring is welded to the inside of the gate valve by the welding device, after one side of the inner sealing ring is welded, the hydraulic cylinder 8 is started to drive the connecting block to move downward, so that the air bag 13 moves downward, so that the hollow shaft 9 is aligned with the pipeline opening on the side edge of the gate valve, then the trackless air cylinder 81 is started to drive the hydraulic cylinder 8 to move leftward, so that the hollow shaft 9 and the air bag 13 pass through the pipeline opening on the side edge of the gate valve, so that the hollow shaft 9 contacts the gate valve, then the air pump 11 is started, so that the gas enters the inside of the hollow shaft 9 through the gas conveying ring 12 and then enters the air bag 13 through the air hole 1301, so that the air bag 13 expands to contact the inside of the gate valve, then the electric push rod 6 is started in reverse to drive the clamping blocks 7 to move inward to release the gate valve, then the hydraulic cylinder 8 is started in reverse to drive the connecting block to move upward, so that the gate valve moves upward, then the second motor 10 is started to drive the hollow shaft 9 and the air bag 13 to rotate, so that the gate valve rotates, after rotating to a certain angle, the position to be fixed of the gate valve faces the clamping blocks 7, then the connecting block is controlled to move downward by the hydraulic cylinder 8, so that the gate valve is located between the clamping blocks 7, then the electric push rod 6 is started to drive the clamping blocks 7 to move outward, so that the clamping blocks 7 contact the inner wall of the gate valve to clamp and fix the gate valve, then the other side of the inner sealing ring is welded to the inside of the gate valve by the welding device, so that the gate valve can be automatically turned over, which is convenient for faster welding operation, saves manpower and time, and improves work efficiency.

[0025] The above merely describes the specific implementation of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A rotary fixture for welding a gate valve, characterized by, Including base (1), first motor (2), rotating disc (3), clamping assembly and turnover assembly, the left part of base (1) is connected with first motor (2), the output shaft of first motor (2) is connected with rotating disc (3), the left part of base (1) is equipped with the clamping assembly capable of clamping and fixing the gate valve, the right part of base (1) is equipped with the turnover assembly capable of automatically turning over the gate valve.

2. A rotating fixture for welding a gate valve according to claim 1, characterized in that The clamping assembly includes support ring (4), fixed block (5), electric push rod (6) and clamping block (7), the upper side of the left part of base (1) is connected with support ring (4), support ring (4) is rotatably connected with rotating disc (3), a plurality of fixed blocks (5) are connected on the outer side of support ring (4), electric push rod (6) is connected on each fixed block (5), and clamping block (7) is connected on the extension end of electric push rod (6).

3. A rotating fixture for welding a gate valve according to claim 1, wherein It also includes a turnover assembly, which includes a hydraulic cylinder (8), a trackless air cylinder (81), a hollow shaft (9), a second motor (10), an air pump (11), a gas delivery ring (12) and an air bag (13), the right side of base (1) is connected with trackless air cylinder (81), the sliding block of trackless air cylinder (81) is connected with hydraulic cylinder (8), the extension end of hydraulic cylinder (8) is provided with a connecting block, the upper right part of connecting block is connected with second motor (10), the output shaft of second motor (10) is connected with hollow shaft (9), hollow shaft (9) is rotatably connected with connecting block, the left part of connecting block is connected with air pump (11), gas delivery ring (12) is connected with air pump (11), the right part of hollow shaft (9) is connected with gas delivery ring (12), and the left part of hollow shaft (9) is connected with air bag (13).

4. A rotating fixture for welding a gate valve according to claim 3, wherein A plurality of air holes (1301) are formed in the upper and lower parts of air bag (13).

5. A rotating fixture for welding a gate valve according to claim 3, wherein It also includes a mounting block (14), a third motor (15), a fan (16) and an air suction pipe (17), the upper side of connecting block is connected with mounting block (14), the inside of mounting block (14) is connected with third motor (15), the left part of mounting block (14) is installed with fan (16), the output shaft of third motor (15) is connected with fan (16), and the left side of mounting block (14) is connected with air suction pipe (17).

6. A rotating fixture for welding a gate valve according to claim 5, characterized in that The air suction pipe (17) is of a pleated structure.

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