A welding protection device for precision machining

Abstract

The present application relates to welding equipment technical field, especially to a kind of welding protection device for precision machining, including frame, the frame bottom is fixed with positioning plate, fixed column is penetrated in positioning plate inside, fixed column is rotatably connected with positioning plate, wherein positioning plate is equipped with rotating mechanism, one of the side walls of frame is equipped with first motor, first motor output end is equipped with first threaded rod, first threaded rod is penetrated through frame side wall and is rotatably connected with frame side wall, the clamping mechanism is connected to first threaded rod, the top of frame is fixed with fixed plate, first threaded rod end is rotatably connected with fixed plate, the cooling mechanism is connected to fixed plate, cooling mechanism is used to cool welded pipe after welding;The present application is cooled after pipe after welding by cooling liquid, can effectively avoid the damage caused to staff by pipe after welding temperature too high, plays a protective role to staff.

Description

Technical Field

[0001] This invention relates to the field of welding equipment technology, specifically a welding protection device for precision machining. Background Technology

[0002] Precision machinery refers to mechanical systems with high precision, high stability, small scale or complex functions. They are widely used in high-end manufacturing, scientific research, medical and other fields. In the field of precision machinery, pipe fittings are key functional components. During the processing of pipe fittings, two pipe fittings usually need to be welded together.

[0003] Currently, when welding two pipes together, one end of one pipe is inserted into the other pipe, and then welding tools are used to weld the gap between the two pipes. However, in the existing technology, the pipes cannot be cooled in time after welding, and the temperature of the welded pipes is high, which can easily cause injury to workers. Summary of the Invention

[0004] The purpose of this invention is to provide a welding protection device for precision machining, so as to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution:

[0006] A welding protection device for precision machining includes a frame, a positioning plate fixed at the bottom of the frame, a fixed column passing through the positioning plate and rotatably connected to the positioning plate, a rotating mechanism on the positioning plate for driving the fixed column to rotate, a first motor mounted on one side wall of the frame, a first threaded rod mounted at the output end of the first motor, the first threaded rod passing through the side wall of the frame and rotatably connected to the side wall of the frame, a clamping mechanism connected to the first threaded rod for clamping pipe fittings, a fixed plate fixed at the top of the frame, the end of the first threaded rod rotatably connected to the fixed plate, and a cooling mechanism connected to the fixed plate for cooling the welded pipe fittings.

[0007] Preferably, the rotating mechanism includes a first gear fixed to the outside of the fixed column, a second motor is mounted on the positioning plate, the output end of the second motor passes through the positioning plate and is fixedly connected to the second gear, and the second gear meshes with the first gear.

[0008] Preferably, the clamping mechanism includes a plurality of wedge-shaped blocks arranged circumferentially outside the fixed column, each wedge-shaped block being fixed with a push rod, the push rod penetrating the side wall of the fixed column, a first elastic element being provided outside the push rod, the two ends of the first elastic element being connected to the wedge-shaped block and the outer wall of the fixed column respectively, and the first threaded rod being connected to a pressing assembly, the pressing assembly being used to press the inclined surface of the wedge-shaped block.

[0009] Preferably, the extrusion assembly includes a movable block threadedly connected to a first threaded rod, a fixed rod fixed to the end of the movable block, an extrusion column rotatably connected to the end of the fixed rod, the end of the extrusion column away from the fixed rod extending into the interior of the fixed column and slidingly connected to the inner wall of the fixed column, a plurality of push plates circumferentially distributed on the side wall of the extrusion column, and a circumferentially distributed slide rail adapted to the push plates on the side wall of the fixed column, the push plates passing through the slide rails and slidingly connected to the slide rails, and push rods for extruding the inclined surface of the wedge block fixed on the side wall of each push plate.

[0010] Preferably, the cooling mechanism includes a pressure cylinder fixedly connected to a fixed plate, a piston slidably connected inside the pressure cylinder, a driving assembly connected to the piston, the driving assembly being used to drive the piston to move inside the pressure cylinder, and the pressure cylinder being connected to a liquid outlet pipe.

[0011] Preferably, the drive assembly includes a threaded sleeve fixedly connected to the piston, a second threaded rod threadedly connected to the end of the threaded sleeve away from the piston, the second threaded rod passing through the end of the pressure cylinder and rotatably connected to the end of the pressure cylinder, the second threaded rod being connected to a rotating component, the rotating component being used to drive the second threaded rod to rotate, symmetrically distributed sliders being fixed on the side wall of the threaded sleeve, a groove adapted to the sliders being provided on the inner wall of the pressure cylinder, the sliders being located inside the grooves and slidably connected to the grooves.

[0012] Preferably, the rotating component includes a turntable fixed to the end of the second threaded rod. The turntable has multiple grooves arranged in a circular pattern on its side wall. Each groove is rotatably connected to a stop block, which extends to the outside of the groove. One side of the stop block is connected to the inner wall of the groove through a second elastic element, and the other side of the stop block is in contact with the inner wall of the groove. A third gear capable of pushing the stop block is fixed to the outside of the first threaded rod.

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows: When welding pipe fittings, the present invention drives the fixed rod to move through the threaded connection between the first threaded rod and the moving block, the fixed rod drives the extrusion column to move, the extrusion column moves at the same time, the push plate moves inside the slide, the push plate drives the push rod to move, the push rod extrudes the inclined surface of the wedge block, and after the wedge block is subjected to pressure, it drives the abutment to move until the end of the abutment is tightly attached to the outer wall of the pipe fitting. The pipe fitting is fixed by multiple abutments distributed in a circle, which can effectively improve the stability of the pipe fittings during the welding process.

[0014] After the pipe fitting is welded, the first threaded rod rotates in the opposite direction. While rotating in the opposite direction, the first threaded rod releases the fixing state of the stop rod on the pipe fitting, and at the same time, it pushes the stop block through the third gear. The stop block pushes the turntable, so that the turntable can drive the second threaded rod to rotate. Through the threaded connection between the second threaded rod and the threaded sleeve, the piston moves. While the piston moves, it squeezes the coolant inside the pressure cylinder, so that the coolant is discharged from the outlet pipe and drips onto the surface of the pipe fitting. The coolant cools down the welded pipe fitting, which can effectively avoid the damage to the workers caused by the excessive temperature of the welded pipe fitting, and plays a protective role for the workers. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of the protection device in an embodiment of the present invention.

[0016] Figure 2 This is a schematic diagram of the inner structure of the frame in an embodiment of the present invention.

[0017] Figure 3 This is a schematic diagram of the connection structure between the turntable and the third gear in an embodiment of the present invention.

[0018] Figure 4 This is a schematic diagram of the fixed column structure in an embodiment of the present invention.

[0019] Figure 5 This is a front view of the internal structure of the pressure cylinder in an embodiment of the present invention.

[0020] In the diagram: 1-Frame; 2-Rotating mechanism; 21-First gear; 22-Second gear; 23-Second motor; 3-Clamping mechanism; 31-Wedge block; 32-Push rod; 33-First elastic element; 34-Push rod; 35-Push plate; 36-Slide rail; 37-Extrusion column; 38-Fixing rod; 39-Moving block; 4-Cooling mechanism; 41-Pressure cylinder; 42-Liquid outlet pipe; 43-Piston; 44-Slide groove; 45-Slider; 46-Threaded sleeve; 47-Second threaded rod; 48-Turntable; 49-Trench; 410-Stop block; 411-Second elastic element; 412-Third gear; 5-First threaded rod; 6-First motor; 7-Positioning plate; 8-Fixing column; 9-Fixing plate. Detailed Implementation

[0021] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the invention.

[0022] The specific implementation of the present invention will be described in detail below with reference to specific embodiments.

[0023] In one embodiment, see Figure 1 , Figure 2 and Figure 4 A welding protection device for precision machining includes a frame 1. A positioning plate 7 is fixed to the bottom of the frame 1, and a fixing column 8 passes through the interior of the positioning plate 7. The fixing column 8 is rotatably connected to the positioning plate 7. A rotating mechanism 2 is provided on the positioning plate 7 to drive the fixing column 8 to rotate. A first motor 6 is installed on one side wall of the frame 1. A first threaded rod 5 is installed at the output end of the first motor 6. The first threaded rod 5 passes through the side wall of the frame 1 and is rotatably connected to the side wall of the frame 1. The first threaded rod 5 is connected to a clamping mechanism 3 for clamping pipe fittings. A fixing plate 9 is fixed to the top of the frame 1. The end of the first threaded rod 5 is rotatably connected to the fixing plate 9. The fixing plate 9 is connected to a cooling mechanism 4 for cooling the welded pipe fittings.

[0024] In this embodiment, when welding precision tubular components, one end of the tubular component to be welded is inserted into the fixing post 8. Then, the first motor 6 is started, driving the first threaded rod 5 to rotate. Simultaneously, the rotation of the threaded rod 5 triggers the operation of the clamping mechanism 3, which secures the tubular component inside the fixing post 8. This effectively ensures the stability of the tubular component during welding. After the tubular component is secured, it can be fixed using welding tools. During the welding process, the rotating mechanism 2 on the positioning plate 7 drives the fixing post 8 to rotate. The fixing post 8, through the clamping mechanism 3, drives the tubular component to rotate, thereby enabling the welding tools to properly handle the tubular component. The components are fully welded. This can be done by a five-axis robot driving the welding tools, or by manual operation of the welding tools. After welding, the first motor 6 drives the first threaded rod 5 to rotate in the opposite direction. While the first threaded rod 5 rotates in the opposite direction, it releases the clamping mechanism 3 from the pipe, making it easier for workers to remove the pipe from the fixing column 8. At the same time, the first threaded rod 5 drives the cooling mechanism 4 to operate, which cools down the welded pipe, thereby reducing its temperature and effectively preventing damage to workers caused by excessively high temperatures. This provides protection for the workers.

[0025] Please see Figure 2 The rotating mechanism 2 includes a first gear 21 fixed to the outside of the fixed column 8, and a second motor 23 is installed on the positioning plate 7. The output end of the second motor 23 passes through the positioning plate 7 and is fixedly connected to a second gear 22. The second gear 22 meshes with the first gear 21.

[0026] When welding the pipe fittings, the second motor 23 is started, which drives the second gear 22 to rotate. The second gear 22 meshes with the first gear 21, which drives the fixed column 8 to rotate. The fixed column 8 drives the pipe fitting to move in a circular motion through the clamping mechanism 3, which facilitates the welding tool to perform comprehensive welding on the pipe fittings and effectively improves the welding efficiency of the pipe fittings.

[0027] Please see Figure 4 The clamping mechanism 3 includes a plurality of wedge-shaped blocks 31 arranged in a circular pattern outside the fixed column 8. Each wedge-shaped block 31 is fixed with a push rod 32, which penetrates the side wall of the fixed column 8. A first elastic element 33 is provided outside the push rod 32. The two ends of the first elastic element 33 are respectively connected to the wedge-shaped block 31 and the outer wall of the fixed column 8. The first threaded rod 5 is connected to a pressing assembly, which is used to press the inclined surface of the wedge-shaped block 31.

[0028] After one end of the pipe is inserted into the fixed post 8, the first motor 6 drives the first threaded rod 5 to rotate. As the first threaded rod 5 rotates, the pressing component presses the inclined surfaces of multiple wedge blocks 31. After the wedge blocks 31 are under pressure, they drive the abutment rod 32 to move until the end of the abutment rod 32 is tightly fitted with the outer wall of the pipe. The multiple abutment rods 32 distributed in a circle fix the pipe, which can effectively improve the stability of the pipe during the welding process. After the pipe is welded, the first motor 6 drives the first threaded rod 5 to rotate in the opposite direction. The pressing component no longer presses the inclined surfaces of the wedge blocks 31. The wedge blocks 31 drive the abutment rod 32 to reset under the action of the first elastic element 33, thereby releasing the fixing state of the abutment rod 32 on the pipe. The first elastic element 33 can be a spring.

[0029] Please see Figure 2 and Figure 4 The extrusion assembly includes a movable block 39 threadedly connected to the first threaded rod 5. A fixed rod 38 is fixed to the end of the movable block 39. An extrusion column 37 is rotatably connected to the end of the fixed rod 38. The end of the extrusion column 37 away from the fixed rod 38 extends into the interior of the fixed column 8 and is slidably connected to the inner wall of the fixed column 8. A plurality of push plates 35 are fixed on the side wall of the extrusion column 37 in a circular arrangement. A slide rail 36 is provided on the side wall of the fixed column 8 in a circular arrangement and adapted to the push plates 35. The push plates 35 pass through the slide rail 36 and are slidably connected to the slide rail 36. A push rod 34 for extruding the inclined surface of the wedge block 31 is fixed on the side wall of each push plate 35.

[0030] When fixing the pipe fitting, the threaded connection between the first threaded rod 5 and the moving block 39 drives the fixed rod 38 to move. The fixed rod 38 drives the extrusion column 37 to move. While the extrusion column 37 moves, it drives the push plate 35 to move inside the slide 36. The push plate 35 drives the push rod 34 to move, so that the push rod 34 can extrude the inclined surface of the wedge block 31. In turn, the wedge block 31 can drive the abutment rod 32 to fix the pipe fitting. The rotational connection between the fixed rod 38 and the extrusion column 37 can avoid interference caused by the rotation of the fixed rod 38 to the fixed column 8.

[0031] Please see Figure 5 The cooling mechanism 4 includes a pressure cylinder 41 fixedly connected to the fixed plate 9. A piston 43 is slidably connected inside the pressure cylinder 41. The piston 43 is connected to a drive assembly, which is used to drive the piston 43 to move inside the pressure cylinder 41. The pressure cylinder 41 is connected to a liquid outlet pipe 42.

[0032] When the pipe fitting is welded, the piston 43 is driven by the drive assembly to move inside the pressure cylinder 41. As the piston 43 moves, it squeezes the coolant inside the pressure cylinder 41, so that the coolant is discharged from the outlet pipe 42 and drips onto the surface of the pipe fitting. The coolant cools the welded pipe fitting, which can effectively prevent the welded pipe fitting from being too hot and causing damage to the workers, thus protecting the workers.

[0033] Please see Figure 5 The drive assembly includes a threaded sleeve 46 fixedly connected to the piston 43. A second threaded rod 47 is threadedly connected to one end of the threaded sleeve 46 away from the piston 43. The second threaded rod 47 passes through the end of the pressure cylinder 41 and is rotatably connected to the end of the pressure cylinder 41. A rotating component is connected to the second threaded rod 47, which is used to drive the second threaded rod 47 to rotate. A slider 45 symmetrically distributed is fixed on the side wall of the threaded sleeve 46. A groove 44 adapted to the slider 45 is provided on the inner wall of the pressure cylinder 41. The slider 45 is located inside the groove 44 and is slidably connected to the groove 44.

[0034] After the pipe fittings are welded, the rotating component drives the second threaded rod 47 to rotate. The threaded connection between the second threaded rod 47 and the threaded sleeve 46 drives the piston 43 to move, thereby enabling the piston 43 to squeeze the cooling inside the pressure cylinder 41 out through the liquid outlet pipe 42, thus achieving the purpose of cooling. The slide groove 44 can play a limiting role for the threaded sleeve 46 through the slider 45, which improves the stability of the threaded sleeve 46 when it moves.

[0035] Please see Figure 3The rotating component includes a turntable 48 fixed to the end of the second threaded rod 47. The turntable 48 has a plurality of grooves 49 arranged in a circular pattern on its side wall. Each groove 49 is rotatably connected to a stop block 410. The stop block 410 extends to the outside of the groove 49. One side of the stop block 410 is connected to the inner wall of the groove 49 through a second elastic element 411, and the other side of the stop block 410 is in contact with the inner wall of the groove 49. A third gear 412 capable of pushing the stop block 410 is fixed to the outside of the first threaded rod 5.

[0036] When the pipe fitting is welded, the first motor 6 drives the first threaded rod 5 to rotate in the reverse direction. The first threaded rod 5 drives the third gear 412 to rotate. At the same time, the third gear 412 pushes the stop block 410 through its teeth. The stop block 410 pushes the turntable 48, so that the turntable 48 can drive the second threaded rod 47 to rotate. This allows the piston 43 to squeeze the coolant inside the pressure cylinder 41. When the pipe fitting needs to be welded, the first motor 6 drives the first threaded rod 5 to rotate in the forward direction. At this time, the teeth rotate and push the stop block 410 through its teeth. The stop block 410 rotates on its own axis instead of driving the turntable 48 to rotate. This achieves unidirectional rotation of the second threaded rod 47, thus avoiding the phenomenon of coolant dripping from the outlet pipe 42 when fixing the pipe fitting. The second elastic element 411 can be a spring, which can play a reset role for the stop block 410.

[0037] Working Principle: When welding precision tubular parts, this device inserts one end of the tubular part to be welded into the fixed column 8. Then, the first motor 6 is started, driving the first threaded rod 5 to rotate. Through the threaded connection between the first threaded rod 5 and the moving block 39, the fixed rod 38 moves, driving the extrusion column 37 to move. Simultaneously, the extrusion column 37 moves the push plate 35 within the slide rail 36, which in turn moves the push rod 34. The push rod 34 extrudes the inclined surface of the wedge block 31. Under pressure, the wedge block 31 moves the abutment rod 32 until its end is tightly fitted against the outer wall of the tubular part. Multiple abutment rods 32 distributed circumferentially fix the tubular part, effectively improving its stability during welding. After fixing, the tubular part can be secured using welding tools. During welding, the second motor 23 drives the second gear 22 to rotate. Through the meshing of the second gear 22 and the first gear 21, the fixed column 8 rotates. The circular motion of the pipe fitting facilitates comprehensive welding by the welding tool, effectively improving the welding efficiency. After welding, the first motor 6 drives the first threaded rod 5 to rotate in the opposite direction. The push rod 34 no longer presses against the inclined surface of the wedge block 31, and the wedge block 31 drives the abutment rod 32 to reset, thereby releasing the fixing state of the abutment rod 32 on the pipe fitting. When the first motor 6 drives the first threaded rod 5 to rotate in the opposite direction, the third gear 412 simultaneously pushes the stop block 410 through its teeth. The stop block 410 pushes the turntable 48, which in turn drives the second threaded rod 47 to rotate. Through the threaded connection between the second threaded rod 47 and the threaded sleeve 46, the piston 43 moves. As the piston 43 moves, it squeezes the coolant inside the pressure cylinder 41, causing the coolant to be discharged from the outlet pipe 42 and drip onto the surface of the pipe fitting. The coolant cools the welded pipe fitting, effectively preventing the welded pipe fitting from overheating and causing injury to the workers, thus protecting them.

[0038] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A welding protection device for precision machining, comprising a frame; characterized in that, A positioning plate is fixed at the bottom of the frame, and a fixing column runs through the inside of the positioning plate. The fixing column is rotatably connected to the positioning plate. The positioning plate is equipped with a rotating mechanism to drive the fixing column to rotate. A first motor is installed on one side wall of the frame, and a first threaded rod is installed at the output end of the first motor. The first threaded rod runs through the side wall of the frame and is rotatably connected to the side wall of the frame. The first threaded rod is connected to a clamping mechanism to clamp the pipe fitting. A fixing plate is fixed at the top of the frame, and the end of the first threaded rod is rotatably connected to the fixing plate. The fixing plate is connected to a cooling mechanism to cool the welded pipe fitting. The cooling mechanism includes a pressure cylinder fixedly connected to a fixed plate, a piston slidably connected inside the pressure cylinder, a drive assembly connected to the piston, the drive assembly being used to drive the piston to move inside the pressure cylinder, and the pressure cylinder being connected to a liquid outlet pipe. The drive assembly includes a threaded sleeve fixedly connected to the piston, a second threaded rod threadedly connected to the end of the threaded sleeve away from the piston, the second threaded rod passing through the end of the pressure cylinder and rotatably connected to the end of the pressure cylinder, the second threaded rod being connected to a rotating component, the rotating component being used to drive the second threaded rod to rotate, and symmetrically distributed sliders fixed on the side wall of the threaded sleeve, the inner wall of the pressure cylinder being provided with a groove adapted to the sliders, the sliders being located inside the grooves and slidably connected to the grooves; The rotating component includes a turntable fixed to the end of the second threaded rod. The turntable has multiple grooves arranged in a circular pattern on its side wall. Each groove is rotatably connected to a stop block, which extends to the outside of the groove. One side of the stop block is connected to the inner wall of the groove through a second elastic element, and the other side of the stop block is in contact with the inner wall of the groove. A third gear capable of pushing the stop block is fixed to the outside of the first threaded rod.

2. The welding protection device for precision machining according to claim 1, characterized in that, The rotating mechanism includes a first gear fixed to the outside of the fixed column, a second motor mounted on the positioning plate, the output end of the second motor passing through the positioning plate and fixedly connected to the second gear, and the second gear meshing with the first gear.

3. The welding protection device for precision machining according to claim 1, characterized in that, The clamping mechanism includes multiple wedge-shaped blocks arranged circumferentially outside the fixed column. Each wedge-shaped block is fixed with a push rod, which penetrates the side wall of the fixed column. A first elastic element is provided outside the push rod, and the two ends of the first elastic element are respectively connected to the wedge-shaped block and the outer wall of the fixed column. The first threaded rod is connected to a pressing assembly, which is used to press the inclined surface of the wedge-shaped block.

4. A welding protection device for precision machining according to claim 3, characterized in that, The extrusion assembly includes a movable block threadedly connected to a first threaded rod. A fixed rod is fixed to the end of the movable block, and an extrusion column is rotatably connected to the end of the fixed rod. The end of the extrusion column away from the fixed rod extends into the interior of the fixed column and is slidably connected to the inner wall of the fixed column. Multiple push plates are fixedly arranged in a circular pattern on the side wall of the extrusion column. The side wall of the fixed column is provided with circumferentially arranged slides that are adapted to the push plates. The push plates pass through the slides and are slidably connected to the slides. Push rods for extruding the inclined surface of the wedge block are fixedly fixed to the side walls of the push plates.

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