Positioning clamp for water pipe welding

Abstract

The utility model discloses a positioning clamp for water pipe welding, and relates to the technical field of water pipe machining. The positioning clamp for water pipe welding comprises a bottom plate, a sliding plate and an adjusting unit, a support is fixedly installed at the top of the bottom plate, a frame A is fixedly installed at the top of the support, a frame B and a U-shaped plate are arranged at the top of the bottom plate, a clamping plate A and a clamping plate B are arranged on the frame A and the frame B, the clamping plate B is located at the top of the clamping plate A, and a connecting base is arranged on the frame B; the two sets of sliding plates are arranged on the frame A and the frame B correspondingly, the clamping plates B are arranged at the tops of the sliding plates, lead screws are rotationally installed at the tops of the sliding plates, and the adjusting units are arranged on the U-shaped plates. According to the positioning clamp for water pipe welding, two sets of water pipes can be conveniently clamped in the horizontal straight line direction, L-shaped water pipes and straight pipes can be clamped and welded, meanwhile, the clamp is not limited to machining of the L-shaped pipes and the straight pipes, and applicability adjustment can be conducted according to the bending degrees of different water pipes.

Description

Technical Field

[0001] The utility model relates to the technical field of water pipe processing, in particular to a positioning fixture for water pipe welding. Background Art

[0002] Chinese patent document CN218800220U discloses a water pipe welding mold, comprising a base, a bracket fixedly mounted on the top of the base, an electric slide fixedly mounted inside the bracket, and a first electric push rod slidably connected inside the electric slide. When using the water pipe welding mold, first, two sections of water pipes to be welded are sequentially sleeved on the outside of a guide rod, and then a control panel drives two electric slides to start, causing the two first electric push rods to extend and drive two first clamping rings and two second clamping rings to sleeve on the outside of the water pipes. At this time, the operator inserts the clamping block into the slot and rotates the fixing screw to stabilize the engagement of the first and second clamping rings. Finally, the two second electric push rods drive two clamping seats to clamp and tighten the water pipes. At this time, the operator holds a welding gun to weld the water pipes. When welding on one side is completed, the two second electric push rods drive the clamping seat to retract. At this time, the motor drives the water pipe to rotate, and the operator can weld each side of the water pipe.

[0003] The above-mentioned water pipe welding mold can only clamp two sets of horizontal straight water pipes, resulting in the equipment being able to only weld straight water pipes and being difficult to perform auxiliary welding operations on L-shaped water pipes and curved water pipes. Therefore, a positioning fixture for water pipe welding is now proposed. Utility Model Content

[0004] The purpose of the utility model is to provide a positioning clamp for water pipe welding, which can solve the problem that the equipment can only clamp two groups of horizontal straight water pipes, resulting in that it can only weld straight water pipes and is difficult to perform auxiliary welding operations on L-shaped water pipes and curved water pipes.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a positioning fixture for water pipe welding, comprising a base plate, a slide plate and an adjustment unit, a bracket is fixedly installed on the top of the base plate, a frame A is fixedly installed on the top of the bracket, a frame B and a U-shaped plate are provided on the top of the base plate, and a splint A and a splint B are provided on both the frame A and the frame B, the splint B is located on the top of the splint A, and a connecting seat is provided on the frame B. There are two groups of slide plates and they are respectively provided on the frame A and the frame B, the splint B is provided on the top of the slide plate, and a screw rod is rotatably installed on the top of the slide plate. The adjustment unit is provided on the U-shaped plate, and the adjustment unit is used to drive the frame B to flip.

[0006] Preferably, a connecting seat is fixedly installed at the bottom of the frame B, the U-shaped plate is fixedly installed on the top of the bottom plate, the connecting seat is rotatably installed inside the U-shaped plate, and reinforcement blocks are fixedly installed on the front and rear sides of the U-shaped plate, and the reinforcement blocks are fixedly installed on the top of the bottom plate, making the U-shaped plate more stable.

[0007] Preferably, the inner bottom of the frame A, the inner bottom of the frame B and the bottom of the skateboard are all fixedly installed with studs, and the front and rear sides of the splint A and the front and rear sides of the splint B are all fixedly installed with mounting blocks, and the studs pass through the mounting blocks and are threaded with nuts, so that both splint A and splint B are easy to disassemble and assemble.

[0008] Preferably, the top of the frame A and the top of the frame B are both provided with threaded holes and two groups of guide holes distributed front to back, and the top of the skateboard is fixedly installed with two groups of vertical rods distributed front to back, the vertical rods are slidably installed in the guide holes, the screw rods are threadedly installed in the threaded holes, and one end of the screw rod is fixedly connected to a knob.

[0009] Preferably, rubber pads are fixedly mounted on the inner walls of the clamping plate A and the inner walls of the clamping plate B, so that they have a buffering effect when the water pipes are clamped.

[0010] Preferably, the adjusting unit includes a connecting rod, a worm gear, a worm and a motor. Two groups of pads distributed up and down are fixedly installed on the front side of the U-shaped plate. One end of the connecting rod passes through the U-shaped plate and is fixedly connected to the connecting seat. The other end of the connecting rod is fixedly connected to the worm gear. The worm is rotatably installed between the two groups of pads. The worm and the worm gear are meshed. The motor is fixedly installed at the bottom of a group of pads. The rotating shaft of the motor passes through a group of pads and is fixedly connected to the worm.

[0011] Preferably, a shield is fixedly mounted on the front side of the U-shaped plate, the adjustment unit is located inside the shield, and a heat sink is fixedly mounted on the shield to facilitate heat dissipation of the motor.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] The positioning fixture for water pipe welding is used in conjunction with a slide plate, a clamping plate B, a pad, a connecting rod, a worm gear, a worm, a motor, a vertical rod, a screw, a knob and a rubber pad. On the one hand, it is convenient to clamp two groups of water pipes so that they are in a horizontal straight line direction, which is convenient for subsequent welding operations of straight pipes and can be applied to water pipes of different sizes. On the other hand, it is convenient to drive the frame B to flip so that the fixture can clamp L-shaped water pipes and straight pipes and weld them. At the same time, the fixture is not limited to processing L-shaped pipes and straight pipes, and its applicability can be adjusted according to the curvature of different water pipes, thereby enhancing the scope of application and practicality of the fixture. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0015] Figure 1 It is a structural diagram of the utility model;

[0016] Figure 2 This is the main view of the utility model;

[0017] Figure 3 It is a side view of the plywood A of the present invention;

[0018] Figure 4 It is an enlarged view of part A of the present utility model.

[0019] Figure numerals: 1. Base plate; 2. Frame A; 3. Frame B; 4. Clamp A; 5. Slide plate; 6. Clamp B; 7. U-shaped plate; 8. Connecting seat; 9. Adjustment unit; 91. Pad; 92. Connecting rod; 93. Worm gear; 94. Worm; 95. Motor; 10. Protective cover; 11. Heat sink; 12. Bracket; 13. Reinforcement block; 14. Vertical rod; 15. Screw rod; 16. Knob; 17. Rubber pad. DETAILED DESCRIPTION

[0020] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and overall technical solution of the present invention, but it cannot be understood as a limitation on the scope of protection of the present invention.

[0021] See also Figure 1-4 The utility model provides a technical solution: a positioning fixture for water pipe welding, comprising a base plate 1, a slide plate 5 and an adjusting unit 9. A bracket 12 is fixedly installed on the top of the base plate 1, and a frame A2 is fixedly installed on the top of the bracket 12. A frame B3 and a U-shaped plate 7 are provided on the top of the base plate 1. A plywood A4 and a plywood B6 are provided on the frame A2 and the frame B3. The plywood B6 is located on the top of the plywood A4. A connecting seat 8 is provided on the frame B3. The number of slide plates 5 is two groups and they are respectively arranged on the frame A2 and the frame B3. The plywood B6 is arranged on the top of the slide plate 5. A screw rod 15 is rotatably installed on the top of the slide plate 5. The adjusting unit 9 is arranged on the U-shaped plate 7. The adjusting unit 9 is used to drive the frame B3 to flip.

[0022] The bottom of the frame B3 is fixedly installed with a connecting seat 8, the U-shaped plate 7 is fixedly installed on the top of the base plate 1, and the connecting seat 8 is rotatably installed inside the U-shaped plate 7. The front and rear sides of the U-shaped plate 7 are fixedly installed with reinforcement blocks 13, and the reinforcement block 13 is fixedly installed on the top of the base plate 1. The inner bottom of the frame A2, the inner bottom of the frame B3 and the bottom of the skateboard 5 are fixedly installed with studs, and the front and rear sides of the plywood A4 and the front and rear sides of the plywood B6 are fixedly installed with mounting blocks. The studs pass through the mounting blocks and are threaded with nuts. The top of the frame A2 and the top of the frame B3 are provided with threaded holes and two groups of guide holes distributed front and back. The top of the skateboard 5 is fixedly installed with two groups of vertical rods 14 distributed front and back. The vertical rods 14 are slidably installed in the guide holes, and the screw rod 15 is threaded in the threaded holes. One end of the screw rod 15 is fixedly connected to the knob 16, and the inner wall of the plywood A4 and the inner wall of the plywood B6 are fixedly installed with rubber pads 17.

[0023] The adjusting unit 9 includes a connecting rod 92, a worm gear 93, a worm 94 and a motor 95. Two groups of pads 91 distributed up and down are fixedly installed on the front side of the U-shaped plate 7. One end of the connecting rod 92 passes through the U-shaped plate 7 and is fixedly connected to the connecting seat 8. The other end of the connecting rod 92 is fixedly connected to the worm gear 93. The worm 94 is rotatably installed between the two groups of pads 91. The worm 94 is meshed with the worm gear 93. The motor 95 is fixedly installed at the bottom of a group of pads 91. The rotating shaft of the motor 95 passes through a group of pads 91 and is fixedly connected to the worm 94. A shield 10 is fixedly installed on the front side of the U-shaped plate 7. The adjusting unit 9 is located inside the shield 10. A heat sink 11 is fixedly installed on the shield 10. The motor 95 is controlled to drive the rotation of the worm 94, and the engagement of the worm 94 drives the rotation of the worm gear 93, and then By driving the rotation of the connecting seat 8 and the frame B3 through the connecting rod 92, the angle of the frame B3 can be adjusted, and then the two groups of pipes are placed between the two groups of plywood A4 and the two groups of plywood B6 respectively, and then the hand-held knob 16 is used to rotate the screw rod 15 clockwise, and then the slide plate 5 and the plywood B6 are driven to move and approach the plywood A4, so that the two groups of pipes can be clamped. On the one hand, it is convenient to clamp the two groups of water pipes and they are in a horizontal straight line direction, which is convenient for the subsequent welding operation of the straight pipes and can be applied to water pipes of different sizes. On the other hand, it is convenient to drive the frame B3 to flip so that the clamp can clamp the L-shaped water pipe and the straight pipe and weld them. At the same time, the clamp is not limited to processing L-shaped pipes and straight pipes, and can be adjusted for applicability according to the curvature of different water pipes, thereby enhancing the scope of application and practicality of the clamp.

[0024] Working principle: The control motor 95 drives the rotation of the worm 94, and the engagement of the worm 94 drives the rotation of the worm wheel 93, and then drives the rotation of the connecting seat 8 and the frame B3 through the connecting rod 92, so as to adjust the angle of the frame B3, and then place the two groups of pipes between the two groups of plywood A4 and the two groups of plywood B6 respectively, and then hold the knob 16 to turn the screw 15 clockwise, and then drive the slide 5 and the plywood B6 to move and approach the plywood A4, so as to clamp the two groups of pipes.

[0025] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the scope of knowledge possessed by ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A positioning fixture for water pipe welding, characterized in that: include: A bottom plate (1) is fixedly mounted with a bracket (12) on its top, a frame A (2) is fixedly mounted on the top of the bracket (12), a frame B (3) and a U-shaped plate (7) are arranged on the top of the bottom plate (1), a clamping plate A (4) and a clamping plate B (6) are arranged on both the frame A (2) and the frame B (3), the clamping plate B (6) is located on the top of the clamping plate A (4), and a connecting seat (8) is arranged on the frame B (3); Slide plates (5) are provided in two groups and are respectively provided on the frame A (2) and the frame B (3). The clamping plate B (6) is provided on the top of the slide plates (5). The top of the slide plates (5) is rotatably provided with a screw rod (15); An adjusting unit (9) is provided on the U-shaped plate (7), and the adjusting unit (9) is used to drive the frame B (3) to flip.

2. A positioning fixture for water pipe welding according to claim 1, characterized in that: A connecting seat (8) is fixedly mounted on the bottom of the frame B (3); the U-shaped plate (7) is fixedly mounted on the top of the bottom plate (1); the connecting seat (8) is rotatably mounted inside the U-shaped plate (7); and reinforcing blocks (13) are fixedly mounted on the front and rear sides of the U-shaped plate (7); and the reinforcing blocks (13) are fixedly mounted on the top of the bottom plate (1).

3. The positioning fixture for water pipe welding according to claim 1, characterized in that: The inner bottom of the frame A (2), the inner bottom of the frame B (3) and the bottom of the slide plate (5) are all fixedly mounted with studs, and the front and rear sides of the clamping plate A (4) and the front and rear sides of the clamping plate B (6) are all fixedly mounted with mounting blocks, and the studs pass through the mounting blocks and are threadedly sleeved with nuts.

4. A positioning fixture for water pipe welding according to claim 3, characterized in that: The top of the frame A (2) and the top of the frame B (3) are both provided with threaded holes and two groups of guide holes distributed front to back. The top of the slide plate (5) is fixedly installed with two groups of vertical rods (14) distributed front to back. The vertical rods (14) are slidably installed in the guide holes. The screw rod (15) is threadedly installed in the threaded holes. One end of the screw rod (15) is fixedly connected with a knob (16).

5. The positioning fixture for water pipe welding according to claim 1, characterized in that: The inner walls of the clamping plate A (4) and the inner walls of the clamping plate B (6) are both fixedly mounted with rubber pads (17).

6. A positioning fixture for water pipe welding according to claim 2, characterized in that: The adjusting unit (9) comprises a connecting rod (92), a worm wheel (93), a worm (94) and a motor (95). Two groups of pads (91) distributed in an upper and lower manner are fixedly installed on the front side of the U-shaped plate (7). One end of the connecting rod (92) passes through the U-shaped plate (7) and is fixedly connected to the connecting seat (8). The other end of the connecting rod (92) is fixedly connected to the worm wheel (93). The worm (94) is rotatably installed between the two groups of pads (91). The worm (94) and the worm wheel (93) are meshed. The motor (95) is fixedly installed at the bottom of one group of pads (91). The rotating shaft of the motor (95) passes through one group of pads (91) and is fixedly connected to the worm (94).

7. A positioning fixture for water pipe welding according to claim 6, characterized in that: A shield (10) is fixedly mounted on the front side of the U-shaped plate (7), the adjustment unit (9) is located inside the shield (10), and a heat sink (11) is fixedly mounted on the shield (10).

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