Fixture in heating and ventilation pipe welding

Abstract

The utility model discloses a clamp in heating and ventilation pipe welding, which relates to the technical field of pipeline appliances and comprises a connecting box, a first moving plate and a second moving plate are arranged on the top surface of the connecting box, a first clamping plate is fixedly arranged at the top end of the first moving plate, and a second clamping plate is fixedly arranged at the top end of the second moving plate. A driving mechanism is arranged on the side of the second clamping plate and used for driving the second clamping plate to move, and a mounting box is fixedly arranged on one side of the outer wall of the connecting box. According to the pipeline welding device, through the arrangement of the driving mechanism, the second clamping plate can be driven to move towards the first clamping plate to fix a pipeline, so that a worker can weld the pipeline conveniently, meanwhile, the device is convenient to carry, the pipeline in vertical butt joint, horizontal butt joint and inclined butt joint can be fixed, the worker does not need to replace different fixing devices, and the labor intensity of the worker is reduced. The time and labor cost are saved, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline tools and equipment, in particular to a clamp for HVAC pipe welding. Background Art

[0002] HVAC ducts are a type of building ducts. The application scope of HVAC ducts is very wide. They can generally be used for purification system return air ducts, central air-conditioning ventilation ducts, industrial supply and exhaust air ventilation ducts, environmental protection system suction and exhaust ducts, mine gas extraction pipes, mine rubberized cloth air ducts, etc. They have many advantages such as good sealing, good strength and rigidity, small ventilation resistance, small ventilation noise, easy installation, few connection points, high grade and beautiful appearance. They are generally made of stainless steel material. In the process of installing HVAC ducts, it is necessary to connect the HVAC ducts. The general method is welding. Because the pipes are large and difficult to fix for welding operations, a fixed device is required to fix the pipes before welding.

[0003] The existing fixing device for pipe welding is mainly fixed by manpower. With the help of staff, the position where the HVAC pipe needs to be connected is placed, and the pipe is lifted and fixed by manpower for welding. However, this fixing method consumes a lot of manpower, resulting in low work efficiency. The utility model provides a clamp for HVAC pipe welding. Utility Model Content

[0004] In order to achieve the above-mentioned purpose, the utility model specifically adopts the following technical solutions:

[0005] A clamp for HVAC pipe welding includes a connection box, the top surface of which is provided with a first movable plate and a second movable plate, the top end of the first movable plate is fixedly provided with a first clamping plate, the top end of the second movable plate is fixedly provided with a second clamping plate, the side of the second clamping plate is provided with a driving mechanism, the driving mechanism is used to drive the second clamping plate to move, and an installation box is fixedly provided on one side of the outer wall of the connection box.

[0006] Furthermore, a handle is fixedly provided at the bottom of the connection box.

[0007] Furthermore, the outer walls of the first clamping plate and the second clamping plate are both configured with arc-shaped notches.

[0008] Furthermore, the driving mechanism includes a motor mounted on the inner bottom wall of the installation box, a worm is mounted on the output end of the motor, the inner bottom walls of the connection box and the installation box are both constructed with a T-shaped slide groove, and the inner wall of the T-shaped slide groove is slidably connected with a slide bar, a rack is fixedly arranged at the top of the slide bar, a rotating rod is rotatably connected with the inner side wall of the installation box, and a worm gear is fixedly arranged on one side of the outer wall of the rotating rod. The worm gear and the worm are meshed with each other, a gear is mounted on the outer wall of the rotating rod at the side of the worm gear, the gear and the rack are meshed with each other, a movable rod is fixedly arranged at one end of the rack, and the movable rod is fixedly connected to the first movable plate.

[0009] Furthermore, the outer wall of the second movable plate is symmetrically fixed with sliders, and the inner wall of the connection box is configured with limiting grooves adapted to the sliders.

[0010] Furthermore, rubber pads are fixedly disposed on inner walls of the first clamping plate and the second clamping plate.

[0011] The beneficial effects of the utility model are as follows:

[0012] 1. The utility model can drive the second clamping plate to move toward the first clamping plate to fix the pipeline through the setting of the driving mechanism, so as to facilitate the workers to weld the pipeline. At the same time, the device is easy to carry and can fix vertically docked, horizontally docked, and inclined docked pipelines. The workers do not need to replace different fixing devices, which saves time and labor costs and improves work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0014] Figure 2 This is a schematic diagram of the structure of the driving mechanism of the utility model;

[0015] Figure 3 It is a schematic diagram of the structure of the installation box of the utility model.

[0016] Figure numerals: 1, connecting box; 2, first movable plate; 3, second movable plate; 4, first clamping plate; 5, second clamping plate; 6, driving mechanism; 601, motor; 602, worm; 603, slide bar; 604, rack; 605, rotating rod; 606, worm wheel; 607, gear; 7, mounting box; 8, arc-shaped notch; 9, slider. DETAILED DESCRIPTION

[0017] In order to make the purpose, technical solution and advantages of the embodiments of the present utility model clearer, the technical solution in the embodiments of the present utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the present utility model.

[0018] The present application provides a clamp for HVAC pipe welding, which is mainly used to solve the problem that manual fixing of butt joint pipes is troublesome, and provides the following technical solutions. Figure 1-Figure 3 Make a detailed description:

[0019] A clamp for HVAC pipe welding includes a connecting box 1, the top surface of which is provided with a first movable plate 2 and a second movable plate 3, the top of the first movable plate 2 is fixedly provided with a first clamping plate 4, the top of the second movable plate 3 is fixedly provided with a second clamping plate 5, and the side of the second clamping plate 5 is provided with a driving mechanism 6, the driving mechanism 6 is used to drive the second clamping plate 5 to move, and its specific components are: including a motor 601 installed on the inner bottom wall of the installation box 7, the output end of the motor 601 is installed with a worm 602, the inner bottom walls of the connecting box 1 and the installation box 7 are both constructed with T-shaped slide grooves and the inner walls of the T-shaped slide grooves are slidably connected with a slide bar 603, the top of the slide bar 603 is fixedly provided with a rack 604, the inner side wall of the installation box 7 is rotatably connected with a rotating rod 605, and one side of the outer wall of the rotating rod 605 is fixedly provided with a worm gear 606. The worm wheel 606 and the worm 602 are meshed with each other, and a gear 607 is installed on the outer wall of the rotating rod 605 on the side of the worm wheel 606. The gear 607 and the rack 604 are meshed with each other. A movable rod is fixedly provided at one end of the rack 604 and the movable rod is fixedly connected to the first movable plate 2. An installation box 7 is fixedly provided on one side of the outer wall of the connecting box 1. The outer walls of the first clamping plate 4 and the second clamping plate 5 are both constructed with arc-shaped notches 8. The outer wall of the second movable plate 3 is symmetrically fixed with sliders 9, and the inner wall of the connecting box 1 is constructed with limit grooves adapted to the sliders 9.

[0020] The specific operation method and working principle of the device are as follows: during the working process, after the staff puts the two pipe ports together, they can put the first clamping plate 4 on the pipe so that the connection between the pipes is located at the arc-shaped notch 8, and then turn on the motor 601, so that the motor 601 drives the worm 602 to rotate, thereby driving the worm wheel 606 to rotate, and driving the rotating rod 605 and the gear 607 to rotate, thereby driving the rack 604 to move back and forth, thereby driving the second moving plate 3 and the second clamping plate 5 to move back and forth, thereby driving the second clamping plate 5 to clamp the pipe, so as to facilitate the staff to weld. The device is light and easy to carry, and can flexibly clamp and fix the pipe.

[0021] like Figure 1 As shown, in some embodiments, a handle is fixedly provided at the bottom of the connection box 1. More specifically, a handle is fixedly provided at the bottom of the connection box 1 to facilitate the staff to carry the device.

[0022] like Figure 1As shown, in some embodiments, rubber pads are fixedly provided on the inner walls of the first clamping plate 4 and the second clamping plate 5. More specifically, by fixing rubber pads on the inner walls of the first clamping plate 4 and the second clamping plate 5, a certain buffering effect can be exerted on the outer wall of the pipe during the process of clamping the pipe.

[0023] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A clamp for HVAC pipe welding, characterized in that: The invention comprises a connection box (1), wherein a first movable plate (2) and a second movable plate (3) are arranged on the top surface of the connection box (1), a first clamping plate (4) is fixedly arranged on the top end of the first movable plate (2), a second clamping plate (5) is fixedly arranged on the top end of the second movable plate (3), a driving mechanism (6) is arranged on the side of the second clamping plate (5), and the driving mechanism (6) is used to drive the second clamping plate (5) to move, and a mounting box (7) is fixedly arranged on one side of the outer wall of the connection box (1).

2. The clamp for HVAC pipe welding according to claim 1, characterized in that: A handle is fixedly provided at the bottom of the connection box (1).

3. The clamp for HVAC pipe welding according to claim 1 is characterized in that: The outer walls of the first clamping plate (4) and the second clamping plate (5) are both configured with arc-shaped notches (8).

4. The clamp for HVAC pipe welding according to claim 1, characterized in that: The driving mechanism (6) comprises a motor (601) mounted on the inner bottom wall of the installation box (7), a worm (602) being mounted on the output end of the motor (601), the inner bottom walls of the connection box (1) and the installation box (7) being both constructed with T-shaped slide grooves, and the inner walls of the T-shaped slide grooves being slidably connected with a slide bar (603), a top end of the slide bar (603) being fixedly provided with a rack (604), an inner side wall of the installation box (7) being rotatably connected with a rotating rod (605), a worm wheel (606) being fixedly provided on one side of the outer wall of the rotating rod (605), the worm wheel (606) and the worm (602) being meshed with each other, a gear (607) being mounted on the outer wall of the rotating rod (605) at the side of the worm wheel (606), the gear (607) and the rack (604) being meshed with each other, a movable rod being fixedly provided at one end of the rack (604), and the movable rod being fixedly connected to the first movable plate (2).

5. The clamp for HVAC pipe welding according to claim 1, characterized in that: Slide blocks (9) are symmetrically fixedly provided on the outer wall of the second movable plate (3), and the inner wall of the connection box (1) is configured with limit grooves adapted to the slide blocks (9).

6. The clamp for HVAC pipe welding according to claim 1, characterized in that: The inner walls of the first clamping plate (4) and the second clamping plate (5) are both fixedly provided with rubber pads.

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