Flange fixing device for welding flange

Abstract

The utility model relates to the technical field of welding flange fixing, and discloses a flange fixing device for a welding flange, which comprises a bottom plate, the top of the bottom plate is fixedly connected with a fixing plate, the left side and the right side of the fixing plate are fixedly connected with limiting plates, the inner wall of the fixing plate is provided with two limiting plates, and the limiting plates are arranged on the inner wall of the fixing plate. Wherein the outer portion of one limiting plate is fixedly connected with a rotating assembly providing rotating capacity, the top of the rotating assembly is fixedly connected with a fixing block, the inner wall of the fixing block is rotationally connected with a telescopic rod, the rear side of the outer portion of the bottom plate is fixedly connected with a supporting frame, and the outer portion of the telescopic rod is fixedly connected with a driving wheel. According to the flange and pipeline butt joint device, convenience and accuracy of butt joint of a flange and a pipeline are achieved through the structure, and the problems that when an operator conducts welding, errors occur in subsequent welding and grinding is inconvenient due to inaccuracy of butt joint of the flange and the pipeline are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to welding flange fixing technical field especially a kind of flange fixing device for welding flange. BACKGROUND

[0002] During welding process, accurate position control is crucial, flange fixing device can accurately fix flange in predetermined position, ensure that the welding gap between flange and pipeline or other components is uniform, ensure the position accuracy of weld, improve welding quality, reduce the occurrence probability of welding defects such as blowhole, slag inclusion, incomplete penetration etc., make the flange connection after welding more firm, better sealing performance.

[0003] In prior art, part of device fixes flange by clamp, pipeline is butted with flange by other fixing mode, but during the process of flange and pipeline butt joint or welding, face the inaccuracy when flange and pipeline butt joint, lead to the problem of error in subsequent welding;Therefore, a kind of flange fixing device for welding flange is proposed. UTILITY MODEL CONTENT

[0004] The utility model provides a kind of flange fixing device for welding flange, to improve the inaccuracy when flange and pipeline butt joint in part of device operator welding in prior art, lead to the problem of error in subsequent welding.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A kind of flange fixing device for welding flange, including bottom plate, the top of the bottom plate is fixedly connected with fixed plate, the left and right sides of the fixed plate are all fixedly connected with limit plate, the inner wall of the fixed plate is equipped with two, one of the limit plate is fixedly connected with rotating assembly providing rotation ability outside, the top of the rotating assembly is fixedly connected with fixed block, the inner wall of the fixed block is rotatably connected with telescopic link, the outside rear side of the bottom plate is fixedly connected with support frame, the outside of the telescopic link is fixedly connected with driving wheel, the outside right side of the support frame is fixedly connected with transmission assembly providing rotation ability.

[0007] The above technical solution, the device is constituted stable structure by bottom plate, fixed plate, limit plate etc., rotating assembly can be flexibly adjusted, transmission assembly realizes efficient transmission, telescopic link cooperates driving wheel to enhance stability, mainboard one, two and clamping block accurately clamp flange, cylinder power accurate positioning, bottom foot guarantee device stable, effectively improve the precision and efficiency of flange welding.

[0008] As a further description of the above technical solution:

[0009] The rotating assembly comprises a second motor, a sliding block and a bidirectional screw rod, the second motor is fixedly connected outside one of the limiting plates, the output end of the second motor penetrates the limiting plate and is fixedly connected with the bidirectional screw rod, the sliding block is threadedly connected outside the bidirectional screw rod, and the bidirectional screw rod is rotatably connected to the inner wall of the other limiting plate.

[0010] In the rotating assembly, the second motor is fixed to the limiting plate, the output end of the second motor is connected with the bidirectional screw rod, the screw rod is threadedly connected with the sliding block, and the sliding block is rotatably connected to the inner wall of the other limiting plate. This design can accurately control the rotation of the bidirectional screw rod by the second motor, thereby driving the sliding block to move, realizing stable clamping or loosening of the workpiece, and improving the work efficiency and precision.

[0011] Further description of the above technical scheme is as follows:

[0012] The transmission assembly comprises a first motor, a fixed rod, a grinding wheel and two driven wheels, the first motor is fixedly connected outside the right side of the support frame, the output end of the first motor is fixedly connected with the fixed rod, the middle part of the fixed rod is fixedly connected with the grinding wheel, the outer wall of the fixed rod is rotatably connected to the inner wall of the support frame, and the left and right ends of the fixed rod are fixedly connected with the driven wheels.

[0013] In the transmission assembly, the first motor is fixed to the right side of the support frame, the output end of the first motor is connected with the fixed rod, the middle part of the fixed rod is provided with the grinding wheel, and the left and right ends of the fixed rod are connected with the driven wheels. When the first motor is driven, the grinding wheel can be driven to rotate, realizing the grinding operation on the flange, and the driven wheels cooperate with the belt transmission, making the transmission more stable, ensuring the uniform grinding effect, and improving the flange processing quality and efficiency.

[0014] Further description of the above technical scheme is as follows:

[0015] The outer wall of the driving wheel and the outer wall of the driven wheel are sleeved with a belt, and the two driving wheels are located in the same horizontal plane.

[0016] In the above technical scheme, the driving wheel and the driven wheel are sleeved with a belt, and the two driving wheels are in the same horizontal plane. This design can ensure stable transmission and efficient power transmission. The belt transmission can effectively buffer and reduce shock, reduce impact, prolong the service life of the device, ensure synchronous operation of each component, make the flange fixing device more stable and reliable during work, and improve the overall working performance.

[0017] Further description of the above technical scheme is as follows:

[0018] The outer wall of the two telescopic rods is fixedly connected with a main plate, the inner wall of the four corners of the main plate is rotatably connected with a rotating shaft, and the outer wall of the rotating shaft is fixedly connected with a connecting rod.

[0019] The technical scheme has the following beneficial effects.

[0020] Further description of the above technical scheme is as follows.

[0021] The inner wall of the connecting rod is fixedly connected with a fixed shaft, the two ends of the fixed shaft are fixedly connected with L-shaped blocks, and the outer portions of the L-shaped blocks are fixedly connected with clamping blocks.

[0022] The inner wall of the connecting rod is fixedly connected with a fixed shaft, which ensures stable connection. The two ends of the fixed shaft are fixedly connected with L-shaped blocks, which has a simple and compact structure. The outer portions of the L-shaped blocks are fixedly connected with clamping blocks, which can effectively clamp objects, improve the stability and reliability of the device, and ensure smooth work.

[0023] Further description of the above technical scheme is as follows.

[0024] The outer portion of the main plate two is fixedly connected with a pneumatic cylinder, the output end of the pneumatic cylinder is fixedly connected to the outer portion of the main plate one, the inner wall of the main plate two is provided with a plurality of sliding grooves, and the outer portions of the plurality of L-shaped blocks are slidingly connected in the plurality of sliding grooves.

[0025] The outer portion of the main plate two is fixedly connected with a pneumatic cylinder, the output end of the pneumatic cylinder is fixedly connected to the outer portion of the main plate one, the inner wall of the main plate two is provided with a plurality of sliding grooves, and the outer portions of the plurality of L-shaped blocks are slidingly connected in the plurality of sliding grooves. Precise linear motion can be realized, the stability and accuracy of device operation are improved, and efficient work is ensured.

[0026] Further description of the above technical scheme is as follows.

[0027] The bottom of the bottom plate and the bottom of the support frame are fixedly connected with bottom feet, and the plurality of bottom feet are located on the same horizontal plane.

[0028] The bottom of the bottom plate and the bottom of the support frame are fixedly connected with bottom feet, and the plurality of bottom feet are located on the same horizontal plane, which can ensure that the device is placed stably, effectively disperses pressure, improves overall stability, reduces shaking and damage caused by unevenness, and prolongs service life.

[0029] The utility model has the following beneficial effects.

[0030] 1. The utility model discloses a rotating assembly provides the rotating force and causes two fixed blocks to gather to the middle movement, and the transmission assembly drives fixed link, polishes the wheel and drives the drive wheel, telescopic link and clamping part under the action of the belt rotation, the structure has realized the flange and pipeline butt joint's convenience and accuracy, solved when welding, the inaccuracy of flange and pipeline butt joint, leads subsequent welding to appear error, the inconvenient problem of polishing.

[0031] 2. The utility model discloses a cylinder provides telescopic force and drives mainboard no. 1, and mainboard no. 1 drives rotating shaft, connecting rod rotation, drives L -shaped block, clamping block sliding in the chute, causes a plurality of clamping blocks to carry out clamping movement. The stability and convenience of fixed flange and pipeline have been realized, and the problem that the different size pipeline and flange fixed need to replace the corresponding size clamp has been solved. DRAWINGS

[0032] Figure 1 A kind of flange fixing device for welding flange is provided for the utility model;

[0033] Figure 2 Motor one structure schematic view of a kind of flange fixing device for welding flange is provided for the utility model;

[0034] Figure 3 Drive wheel structure schematic view of a kind of flange fixing device for welding flange is provided for the utility model;

[0035] Figure 4 Fixed link structure schematic view of a kind of flange fixing device for welding flange is provided for the utility model;

[0036] Figure 5 Support frame structure schematic view of a kind of flange fixing device for welding flange is provided for the utility model;

[0037] Figure 6 Mainboard two structure schematic view of a kind of flange fixing device for welding flange is provided for the utility model;

[0038] Figure 7 Mainboard one structure schematic view of a kind of flange fixing device for welding flange is provided for the utility model.

[0039] Legend:

[0040] 1, bottom plate; 2, fixed plate; 3, limiting plate; 4, sliding groove; 5, sliding block; 6, bidirectional screw; 7, fixed block; 8, telescopic rod; 9, support frame; 10, motor one; 11, drive wheel; 12, driven wheel; 13, belt; 14, fixed rod; 15, polishing wheel; 16, main plate one; 17, rotating shaft; 18, connecting rod; 19, fixed shaft; 20, L-shaped block; 21, clamping block; 22, cylinder; 23, main plate two; 24, sliding groove; 25, motor two; 26, foot. DETAILED DESCRIPTION

[0041] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0042] Referring to Figures 1 to 7 An embodiment provided by the utility model: a flange fixing device for welding flange, including bottom plate 1, provide stable installation foundation and support platform. The top of bottom plate 1 is fixedly connected with fixed plate 2, play certain limit and protection effect. The left and right sides of fixed plate 2 are all fixedly connected with limiting plate 3, limit the moving range of sliding block 5, ensure the stability and safety of the whole rotating process. The inner wall of fixed plate 2 is provided with two sliding grooves 4, one of which is fixedly connected with rotating assembly providing rotating capacity outside the other limiting plate 3, the top of rotating assembly is fixedly connected with fixed block 7, provide suitable position and angle for subsequent transmission and work. The inner wall of fixed block 7 is rotatably connected with telescopic rod 8, realize transmission function. The outside rear side of bottom plate 1 is fixedly connected with support frame 9, ensure that the device does not shake or incline when working. The outside of telescopic rod 8 is fixedly connected with drive wheel 11, the outside right side of support frame 9 is fixedly connected with transmission assembly providing rotating capacity, realize the drive of polishing wheel 15 and driven wheel 12;

[0043] The rotating assembly comprises a motor 2, which is a power source of the rotating assembly and can convert electric energy into mechanical energy. The sliding block 5 and the bidirectional screw rod 6 are fixedly connected outside one of the limiting plates 3. The output end of the motor 2 penetrates through the limiting plate 3 and is fixedly connected with the bidirectional screw rod 6, so that the position of the sliding block 5 is quickly and accurately adjusted, and then the position and posture of the fixed block 7 are adjusted. The sliding block 5 is threadedly connected outside the bidirectional screw rod 6. The bidirectional screw rod 6 is rotatably connected to the inner wall of the other limiting plate 3. The transmission assembly comprises a motor 1, a fixed rod 14, a grinding wheel 15 and two driven wheels 12. The motor 1 is fixedly connected outside the right side of the support frame 9. The output end of the motor 1 is fixedly connected with the fixed rod 14. The middle part of the fixed rod 14 is fixedly connected with the grinding wheel 15, so as to improve the surface quality and welding performance of the flange. The fixed rod 14 is rotatably connected to the inner wall of the support frame 9. The left and right ends of the fixed rod 14 are fixedly connected with the driven wheels 12. The outer surface of the driving wheel 11 and the outer surface of the driven wheel 12 are sleeved with the belt 13. The two driving wheels 11 are located on the same horizontal plane.

[0044] The two telescopic rods 8 are fixedly connected with the main plate 1. The four corners of the main plate 1 are rotatably connected with the rotating shaft 17. The outer surface of the rotating shaft 17 is fixedly connected with the connecting rod 18. The inner wall of the connecting rod 18 is fixedly connected with the fixed shaft 19. The two ends of the fixed shaft 19 are fixedly connected with the L-shaped block 20, so that the clamping block 21 is more stable and firm when clamping the flange. The outer surface of the L-shaped block 20 is fixedly connected with the clamping block 21. The outer surface of the main plate 1 is fixedly connected with the air cylinder 22, which is a kind of power device and can convert the energy of compressed air into mechanical energy. The output end of the air cylinder 22 is fixedly connected with the main plate 2. The inner wall of the main plate 2 is provided with a plurality of sliding grooves 24, which are sliding tracks of the L-shaped block 20 and limit the movement direction and range of the L-shaped block 20. The outer surface of the L-shaped block 20 is slidably connected with the inner surface of the sliding groove 24. The bottom of the bottom plate 1 and the bottom of the support frame 9 are fixedly connected with the bottom foot 26. The plurality of bottom feet 26 are located on the same horizontal plane.

[0045] Working principle: first, start the air cylinder 22. The air cylinder 22 drives the main plate 1 to extend. When the main plate 1 extends, the connecting rod 18 and the rotating shaft 17 are driven to rotate. When the connecting rod 18 rotates, the fixed shaft 19 is pulled to slide in the sliding groove 24 formed in the inner wall of the main plate 2, so as to control the contraction and clamping or extension and expansion of the plurality of clamping blocks 21. The operator places the flange and the pipeline to be welded in the two clamping mechanisms and clamps them;

[0046] When the flange and the pipeline are clamped and fixed, the motor 2 is started, the bidirectional screw rod 6 is driven to rotate, the bidirectional screw rod 6 drives the two sliding blocks 5 to move to the middle, the sliding block 5 drives the fixed block 7 to move, and then the telescopic rod 8 is extended until the flange and the pipeline are in contact and connected.

[0047] After the welding is finished, the motor 10 is started to drive the fixed rod 14, the grinding wheel 15 and the two driven wheels 12 to rotate, the two driven wheels 12 drive the driving wheel 11 to rotate under the action of the belt 13, the driving wheel 11 drives the telescopic rod 8 to rotate, so that the two telescopic rods 8 drive the main plate 16 and the clamping block 21 to rotate respectively, thereby driving the flange and the pipeline to rotate, at this time the grinding wheel 15 grinds the welding position of the flange and the pipeline.

[0048] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application is made with reference to the foregoing embodiments, for the skilled in the art, it can still be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A flange fixing device for welding a flange, comprising a base plate (1), characterized in that: The top of the bottom plate (1) is fixedly connected with a fixed plate (2), both sides of the fixed plate (2) are fixedly connected with a limiting plate (3), the inner wall of the fixed plate (2) is provided with two sliding grooves (4), the outer part of one of the limiting plates (3) is fixedly connected with a rotating assembly capable of providing rotation, the top of the rotating assembly is fixedly connected with a fixed block (7), the inner wall of the fixed block (7) is rotatably connected with an extension rod (8), the outer part of the rear side of the bottom plate (1) is fixedly connected with a support frame (9), the outer part of the extension rod (8) is fixedly connected with a drive wheel (11), and the outer part of the right side of the support frame (9) is fixedly connected with a transmission assembly capable of providing rotation.

2. A flange fixture for welding flanges as claimed in claim 1, wherein: The rotating assembly comprises a motor two (25), a sliding block (5) and a bidirectional screw rod (6), the outer part of the motor two (25) is fixedly connected to the outer part of one of the limiting plates (3), the output end of the motor two (25) penetrates through the limiting plate (3) and is fixedly connected with the bidirectional screw rod (6), and the outer part of the bidirectional screw rod (6) is threadedly connected with the sliding block (5). The outer part of the bidirectional screw rod (6) is rotatably connected to the inner wall of the other limiting plate (3).

3. A flange fixture for welding flanges as defined in claim 1, wherein: The transmission assembly comprises a motor one (10), a fixed rod (14), a grinding wheel (15) and two driven wheels (12), the outer part of the motor one (10) is fixedly connected to the outer part of the right side of the support frame (9), the output end of the motor one (10) is fixedly connected with the fixed rod (14), the middle part of the fixed rod (14) is fixedly connected with the grinding wheel (15), the outer part of the fixed rod (14) is rotatably connected to the inner wall of the support frame (9), and the left and right ends of the fixed rod (14) are fixedly connected with the driven wheels (12).

4. A flange fixture for welding flanges as defined in claim 3, wherein: The outer part of the drive wheel (11) and the outer part of the driven wheel (12) are sleeved with a belt (13), and the two drive wheels (11) are located on the same horizontal plane.

5. A flange fixture for welding flanges as defined in claim 1, wherein: The outer parts of the two extension rods (8) are fixedly connected with a main plate one (16), the inner walls of the four corners of the main plate one (16) are rotatably connected with rotating shafts (17), and the outer parts of the rotating shafts (17) are fixedly connected with connecting rods (18).

6. A flange fixture for welding flanges as defined in claim 5, wherein: The inner wall of the connecting rod (18) is fixedly connected with a fixed shaft (19), the two ends of the fixed shaft (19) are fixedly connected with L-shaped blocks (20), and the outer part of the L-shaped block (20) is fixedly connected with a clamping block (21).

7. A flange fixture for welding flanges as defined in claim 6, wherein: Further comprising a main plate two (23), the outer part of the main plate two (23) is fixedly connected with an air cylinder (22), the output end of the air cylinder (22) is fixedly connected to the outer part of the main plate one (16), the inner wall of the main plate two (23) is provided with a plurality of sliding grooves (24), and the outer parts of the plurality of L-shaped blocks (20) are slidably connected in the inner parts of the plurality of sliding grooves (24).

8. A flange fixture for welding flanges as defined in claim 1, wherein: The bottom of the bottom plate (1) and the bottom of the support frame (9) are fixedly connected with bottom feet (26), and the plurality of bottom feet (26) are located on the same horizontal plane.

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