Positioning tool for socket welding of bleeder and main valve

Abstract

The utility model provides a positioning tool for socket welding of a bleeder and a main valve, belongs to the technical field of bleeder machining, and solves the problem that the welding effect is affected due to the fact that dust easily falls on the outer wall of a pipeline. The positioning tool for socket welding of the bleeder and the main valve comprises a bottom plate, two fixing frames are connected to the bottom plate in a sliding mode, fixing mechanisms are arranged in the fixing frames, a U-shaped fixing plate is fixed to the bottom plate, air cylinders are fixed to the left end and the right end of the fixing plate, clamping plates are fixed to the telescopic ends of the air cylinders, connecting blocks are fixed to the fixing plate, and circular rings are fixed to the connecting blocks. A hollow block is rotationally connected to the circular ring, a telescopic block is slidably connected into the hollow block, a brush plate is fixed to the lower end of the telescopic block, a brush is fixed to the brush plate, connecting holes are formed in the telescopic block and the hollow block, the two connecting holes are connected through a fixing column, and a driving mechanism is arranged between the circular ring and the bottom plate. The pipeline cleaning device has the advantages that dust on the outer wall of the pipeline is cleaned, and the welding effect is prevented from being affected.

Description

Technical Field

[0001] The utility model belongs to the technical field of vent pipe processing and relates to a positioning tool, in particular to a positioning tool for socket welding of a vent pipe and a main valve. Background Art

[0002] The vent pipe is a device specially used to discharge air or gas inside the pipeline. When the pipeline is put into operation, the vent pipe is used to discharge the air in the pipeline. When the pipeline or equipment is repaired, the vent pipe can be used to discharge the gas in the pipeline to prevent the formation of explosive mixed gas in the pipeline. Its function is to provide overpressure protection for downstream equipment and to release gas with high pressure and fast flow rate. Flame arrester should be installed on the vent pipe.

[0003] After searching, for example, a Chinese patent document discloses a pipeline welding positioning device [Application No.: 202222905513.X; Publication No.: CN 218476282 U]. This pipeline welding positioning device includes a base and several groups of positioning components. The base is horizontally arranged, and the positioning components are fixedly installed on the base at intervals. The positioning components include a fixed component and a movable component. The fixed component includes a left arc matched with a fixed frame and a pipeline. The fixed frame is fixed on the base, and the left arc is vertically fixed on the fixed frame. The movable component includes a support column, a threaded barrel, an adjustment shaft and a right arc matched with the pipeline. The support column is fixed on the base, and the threaded barrel is fixed on the top of the support column. The adjustment shaft is threadedly connected with the threaded barrel, and the right arc is rotatably connected to the end of the adjustment shaft, so that the right arc moves horizontally toward the left arc direction. It solves the technical problem that the pipeline is easy to loosen and affects the accuracy of welding, and produces the beneficial effects of accurate pipeline positioning, firm fixation, convenient welding, and the pipeline is always located in the positioning component during the welding process, which is convenient to operate and has a good welding effect.

[0004] Although the positioning assembly disclosed in this patent solves the technical problem that the pipeline is easy to loosen and affects the accuracy of welding, it produces the beneficial effects of accurate pipeline positioning, firm fixation, convenient welding, and the pipeline is always located in the positioning assembly during the welding process, which is easy to operate and has good welding effect. However, dust is easy to accumulate on the outer wall of the pipeline, affecting the welding effect. Utility Model Content

[0005] The purpose of the utility model is to solve the above problems in the existing technology and propose a positioning tool for socket welding of a vent pipe and a main valve. The technical problem to be solved by the utility model is: how to clean the dust on the outer wall of the pipeline to avoid affecting the welding effect.

[0006] The purpose of the utility model can be achieved through the following technical solutions:

[0007] A positioning tool for socket welding of a vent pipe and a main valve, comprising a base plate, two fixed frames are slidably connected to the base plate, a fixing mechanism is arranged inside the fixed frame, a "U"-shaped fixed plate is fixed to the base plate, cylinders are fixed to the left and right ends of the fixed plate, a clamp is fixed to the telescopic end of the cylinder, a connecting block is fixed to the fixed plate, a circular ring is fixed to the connecting block, a hollow block is rotatably connected to the circular ring, a telescopic block is slidably connected to the hollow block, a brush plate is fixed to the lower end of the telescopic block, a brush is fixed to the brush plate, connecting holes are opened on the telescopic block and the hollow block, the two connecting holes are connected by a fixing column, and a driving mechanism is arranged between the hollow block and the base plate.

[0008] The working principle of the utility model is: the vent pipe is fixed by a fixing mechanism, the main valve is placed on the fixing plate, the cylinder is started, the clamping plate is driven to move on the sliding mouth of the fixing plate, the clamping plate moves smoothly, the main valve is clamped and fixed, the telescopic block is pulled out according to the diameter of the vent pipe, the position of the brush plate is adjusted, and the position of the brush plate is fixed by the fixing column, the brush plate is rotated by the driving mechanism, and the fixing frame drives one end of the vent pipe welding to move into the circular ring to sweep the vent pipe, so that the outer wall of the vent pipe is cleaned to prevent dust from affecting the welding effect, and the cleaned vent pipe is inserted into the main valve for welding.

[0009] The bottom plate is provided with two slide grooves, a motor 1 is fixed on the bottom plate, a bidirectional threaded rod extending into the slide groove is fixed on the output shaft end of the motor 1, and the bidirectional threaded rod is threadedly connected with the fixing frame.

[0010] By adopting the above structure, by installing the bidirectional threaded rod, starting motor 1, driving the bidirectional threaded rod to rotate, driving the discharge pipes in the two fixed frames to move in the corresponding directions, the two discharge pipes are simultaneously inserted into the circular openings at both ends of the main valve for welding.

[0011] The fixing mechanism comprises a placing block 1 fixed to the lower end of the fixing frame, a threaded column is threadedly connected to the upper end of the fixing frame, and a placing block 2 is fixed to the lower end of the threaded column.

[0012] By adopting the above structure, the discharge pipe is placed on the placement block one by installing the threaded column, and then the threaded column is rotated to make the placement block two fit with the upper side of the discharge pipe, thereby achieving fixed clamping of the discharge pipe and avoiding displacement of the discharge pipe during welding, which affects the welding effect.

[0013] The driving mechanism includes two mounting grooves provided on the bottom plate, in which a second motor is fixed, a gear is fixed to the output shaft end of the second motor, a rotating ring is rotatably connected to the circular ring, an outer gear ring is fixed to the rotating ring, the rotating ring is fixedly connected to the hollow block, and the gear is meshingly connected to the outer gear ring.

[0014] With the above structure, by installing the gear and the outer gear ring, starting the second motor, driving the gear to rotate, the gear drives the gear ring to rotate, so that the brush plate on the gear ring sweeps the outer wall of the discharge pipe welding point, thereby cleaning the dust.

[0015] The placing block 1, the placing block 2 and the brush plate are all arc-shaped.

[0016] With the above structure, the placement block 1, the placement block 2 and the brush plate are all arc-shaped, so that the placement block 1, the placement block 2 and the brush plate can fit the diffusion pipe more closely.

[0017] Compared with the prior art, the positioning tool for socket welding of the vent pipe and the main valve has the following advantages:

[0018] 1. Fix the vent pipe through the fixing mechanism, place the main valve on the fixing plate, start the cylinder, drive the clamp to move on the sliding mouth of the fixing plate, make the clamp move smoothly, clamp and fix the main valve, pull out the telescopic block according to the diameter of the vent pipe, adjust the position of the brush plate, and then fix the position of the brush plate through the fixing column. The brush plate is rotated by the driving mechanism, and the fixing frame drives the welded end of the vent pipe to move into the ring to sweep the vent pipe, so as to clean the outer wall of the vent pipe to prevent dust from affecting the welding effect. The cleaned vent pipe is inserted into the main valve for welding.

[0019] 2. By installing the threaded column, place the vent pipe on the placement block one, and then rotate the threaded column to make the placement block two fit with the upper side of the vent pipe, thereby achieving fixed clamping of the vent pipe and avoiding displacement of the vent pipe during welding, which affects the welding effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0021] Figure 2 It is a cross-sectional view of the utility model.

[0022] Figure 3 It is a structural schematic diagram of the circular ring in the utility model.

[0023] In the figure, 1, base plate; 2, fixed frame; 3, fixed plate; 4, cylinder; 5, clamping plate; 6, slide groove; 7, motor one; 8, bidirectional threaded rod; 9, placement block one; 10, threaded column; 11, placement block two; 12, connecting block; 13, circular ring; 14, hollow block; 15, telescopic block; 16, brush plate; 17, mounting groove; 18, motor two; 19, gear; 20, rotating ring; 21, outer gear ring; 22, connecting hole; 23, fixing column. DETAILED DESCRIPTION

[0024] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0025] like Figure 1-Figure 3 As shown, the positioning fixture for socket welding of the vent pipe and the main valve comprises a base plate 1, two fixed frames 2 are slidably connected to the base plate 1, a fixing mechanism is arranged inside the fixed frame 2, a "U"-shaped fixed plate 3 is fixed on the base plate 1, cylinders 4 are fixed on both ends of the fixed plate 3, a clamping plate 5 is fixed to the telescopic end of the cylinder 4, a connecting block 12 is fixed on the fixed plate 3, a circular ring 13 is fixed on the connecting block 12, a hollow block 14 is rotatably connected to the circular ring 13, a telescopic block 15 is slidably connected in the hollow block 14, a brush plate 16 is fixed to the lower end of the telescopic block 15, a brush is fixed on the brush plate 16, connecting holes 22 are opened on the telescopic block 15 and the hollow block 14, the two connecting holes 22 are connected by a fixing column 23, and a driving mechanism is arranged between the hollow block 14 and the base plate 1.

[0026] The vent pipe is fixed by a fixing mechanism, the main valve is placed on the fixing plate 3, the cylinder 4 is started, and the clamping plate 5 is driven to move on the sliding mouth of the fixing plate 3, so that the clamping plate 5 moves smoothly, and the main valve is clamped and fixed. According to the diameter of the vent pipe, the telescopic block 15 is pulled out, and the position of the brush plate 16 is adjusted, and then the position of the brush plate 16 is fixed by the fixing column 23. The brush plate 16 is rotated by the driving mechanism, and the fixing frame 2 drives one end of the vent pipe to be welded to move into the ring 13 to brush the vent pipe, so that the outer wall of the vent pipe is cleaned to prevent dust from affecting the welding effect. The cleaned vent pipe is inserted into the main valve for welding.

[0027] Two slide grooves 6 are provided on the bottom plate 1 , a motor 7 is fixed on the bottom plate 1 , a bidirectional threaded rod 8 extending into the slide groove 6 is fixed to the output shaft end of the motor 7 , and the bidirectional threaded rod 8 is threadedly connected to the fixed frame 2 .

[0028] By adopting the above structure, by installing the bidirectional threaded rod 8, starting the motor 7, driving the bidirectional threaded rod 8 to rotate, driving the discharge pipes in the two fixed frames 2 to move in the corresponding directions, and realizing the simultaneous insertion of the two discharge pipes into the circular openings at both ends of the main valve for welding.

[0029] The fixing mechanism comprises a placing block 1 9 fixed to the lower end of the fixing frame 2 , a threaded column 10 is threadedly connected to the upper end of the fixing frame 2 , and a placing block 2 11 is fixed to the lower end of the threaded column 10 .

[0030] By adopting the above structure, the discharge pipe is placed on the placement block 1 9 by installing the threaded column 10, and then the threaded column 10 is rotated to make the placement block 2 11 fit with the upper side of the discharge pipe, thereby achieving fixed clamping of the discharge pipe and avoiding displacement of the discharge pipe during welding, which affects the welding effect.

[0031] The driving mechanism includes two mounting grooves 17 opened on the base plate 1, a motor 18 is fixed in the mounting groove 17, a gear 19 is fixed to the output shaft end of the motor 18, a rotating ring 20 is rotatably connected to the circular ring 13, an outer gear ring 21 is fixed to the rotating ring 20, the rotating ring 20 is fixedly connected to the hollow block 14, and the gear 19 is meshingly connected to the outer gear ring 21.

[0032] With the above structure, by installing the gear 19 and the outer gear ring 21, starting the motor 2 18, driving the gear 19 to rotate, the gear 19 drives the gear ring to rotate, so that the brush plate 16 on the gear ring sweeps the outer wall of the discharge pipe welding point, thereby cleaning the dust.

[0033] The placing block 1 9, the placing block 2 11 and the brush plate 16 are all arc-shaped.

[0034] With the above structure, the placement block 1 9 , the placement block 2 11 and the brush plate 16 are all arc-shaped, so that the placement block 1 9 , the placement block 2 11 and the brush plate 16 can fit the diffusion pipe more closely.

[0035] The working principle of the utility model is as follows: the discharge pipe is placed on the placement block 1 9, and then the threaded column 10 is rotated to make the placement block 2 11 fit with the upper side of the discharge pipe, and the discharge pipe is fixedly clamped, the main valve is placed on the fixed plate 3, and the cylinder 4 is started to drive the clamping plate 5 to move on the sliding mouth of the fixed plate 3, so that the clamping plate 5 moves smoothly, and the main valve is clamped and fixed. According to the diameter of the discharge pipe, the telescopic block 15 is pulled out, the position of the brush plate 16 is adjusted, and then the position of the brush plate 16 is fixed by the fixed column 23, and the motor 1 7 is started to drive the bidirectional threaded rod 8 to rotate, and the discharge pipes in the two fixed frames 2 are driven to move in the corresponding directions. At the same time, the two discharge pipes are respectively inserted into the circular openings at both ends of the main valve for welding, and the motor 2 18 is started to drive the gear 19 to rotate, and the gear 19 drives the gear ring to rotate, so that the brush plate 16 on the gear ring sweeps the outer wall of the discharge pipe welding point.

[0036] In summary, the brush plate can be used to clean the dust on the outer wall of the pipe to avoid affecting the welding effect.

[0037] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

Claims

1. A positioning tool for socket welding of a vent pipe and a main valve, comprising a bottom plate (1), characterized in that: Two fixed frames (2) are slidably connected to the bottom plate (1), and a fixing mechanism is arranged inside the fixed frame (2). A "U"-shaped fixed plate (3) is fixed to the bottom plate (1), and cylinders (4) are fixed to both left and right ends of the fixed plate (3). A clamping plate (5) is fixed to the telescopic end of the cylinder (4). A connecting block (12) is fixed to the fixed plate (3), and a circular ring (13) is fixed to the connecting block (12). A hollow block (14) is rotatably connected to the circular ring (13). A telescopic block (15) is slidably connected inside the hollow block (14). A brush plate (16) is fixed to the lower end of the telescopic block (15), and a brush is fixed to the brush plate (16). A connecting hole (22) is provided on the telescopic block (15) and the hollow block (14), and the two connecting holes (22) are connected via a fixing column (23). A driving mechanism is arranged between the hollow block (14) and the bottom plate (1).

2. A positioning tool for socket welding of a vent pipe and a main valve according to claim 1, characterized in that: Two slide grooves (6) are provided on the base plate (1), a motor 1 (7) is fixed on the base plate (1), a bidirectional threaded rod (8) extending into the slide groove (6) is fixed to the output shaft end of the motor 1 (7), and the bidirectional threaded rod (8) is threadedly connected to the fixed frame (2).

3. A positioning tool for socket welding of a vent pipe and a main valve according to claim 1, characterized in that: The fixing mechanism comprises a first placement block (9) fixed to the lower end of the fixing frame (2); a threaded column (10) is threadedly connected to the upper end of the fixing frame (2); and a second placement block (11) is fixed to the lower end of the threaded column (10).

4. A positioning tool for socket welding of a vent pipe and a main valve according to claim 1, characterized in that: The driving mechanism comprises two mounting grooves (17) formed on the bottom plate (1), a second motor (18) being fixed in the mounting grooves (17), a gear (19) being fixed to an output shaft end of the second motor (18), a rotating ring (20) being rotatably connected to the circular ring (13), an outer gear ring (21) being fixed to the rotating ring (20), the rotating ring (20) being fixedly connected to the hollow block (14), and the gear (19) being meshingly connected to the outer gear ring (21).

5. A positioning tool for socket welding of a vent pipe and a main valve according to claim 3, characterized in that: The placement block one (9), the placement block two (11) and the brush plate (16) are all arc-shaped.

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