Steel pipe clamping and welding device
The steel pipe clamping device addresses the challenge of adjusting and securing pipes of varying sizes by using adjustable mechanisms for precise alignment and secure holding, enhancing welding efficiency.
Patent Information
- Application Number
- CN202422245648.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-13
- Publication Date
- 2025-07-15
- Estimated Expiration
- 2034-09-13
AI Technical Summary
Existing steel pipe welding devices cannot quickly adjust the spacing of steel pipes and adapt to the clamping of steel pipes of different sizes, and the steel pipes cannot be accurately aligned and moved on the welding seats.
A device including a welding table, a sliding table, and a clamping mechanism is designed. By adjusting structures such as screw rod, a rotary handle and a clamping wheel, the sliding table is controlled to move, and the arcuate arm and a clamping wheel are combined for precise clamping.
It realizes rapid adjustment and precise alignment of steel pipe spacing, facilitates clamping and fixing of steel pipes of different sizes, and improves welding efficiency.
Smart Images

Figure CN223098444U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of steel pipe welding, in particular to a steel pipe clamping and welding device. Background Technique
[0002] A steel pipe is a steel product with a hollow cross-section, and its length is much greater than its diameter or circumference. A clamping device for steel pipe welding is a clamping device that tightly clamps a steel pipe to be welded, so as to facilitate welding at the connection port of the steel pipe.
[0003] The prior art does not have a structure for quickly adjusting the distance between steel pipes and clamping and fixing steel pipes of different sizes when in use. When the existing steel pipe welding seat is in use, most are four groups of wheels to support and fix the steel pipe. Although the support effect is good, it cannot clamp steel pipes of different sizes and accurately align both ends. At the same time, after the steel pipe is placed on the welding seat, affected by the rollers on the welding seat, the steel pipe can only rotate in place and cannot quickly move left and right to adjust the welding distance of the steel pipe, which is not convenient to use. Based on the deficiencies of the existing technology, the utility model designs a steel pipe clamping and welding device. Content of the Utility Model
[0004] In view of the deficiencies of the prior art, the utility model provides a steel pipe clamping and welding device, which has the advantages of quickly adjusting the distance between steel pipes and clamping and fixing steel pipes of different sizes.
[0005] The utility model provides the following technical solution: A steel pipe clamping and welding device, including a welding table, a sliding table is slidably connected to the upper surface of the welding table, and a clamping mechanism for facilitating clamping and fixing of the steel pipe is arranged on the upper surface of the welding table;
[0006] The clamping mechanism includes a base, a movable groove, a rotating hole, an adjusting screw rod, a second turning handle, an adjusting block, a support arm, an arc-shaped arm and a clamping wheel. The base is fixedly connected to the upper surface of the welding table. The movable groove is opened on the upper surface of the base. The rotating hole is penetrated and opened on one side of the base. The adjusting screw rod is rotatably connected inside the rotating hole. The second turning handle is fixedly connected to the outer end of the adjusting screw rod. The adjusting block is slidably connected inside the movable groove. The support arm is fixedly connected to the upper surface of the adjusting block. The arc-shaped arm is fixedly connected to the top of the support arm. The clamping wheel is rotatably connected to both ends of the arc-shaped arm.
[0007] As a preferred technical solution of the utility model, a support foot is fixedly connected to the lower surface of the welding table. An adjusting groove is opened on the upper surface of the welding table. A first screw rod is rotatably connected inside the adjusting groove. The first turning handle is fixedly connected to the outer end of the first screw rod. A guide rail is fixedly connected to the upper surface of the welding table.
[0008] As a preferred technical solution of the present utility model, a chute is provided at the bottom of the sliding table, a slider is fixedly connected to the bottom of the sliding table, a telescopic rod is fixedly connected to the upper surface of the sliding table, a lifting sleeve is fixedly connected to the upper surface of the sliding table, an adjusting nut is rotatably connected inside the lifting sleeve, a second lead screw is threadedly inserted into the adjusting nut, a bottom support is fixedly connected to the top end of the second lead screw, and an anti-slip pad is fixedly connected to the upper surface of the bottom support.
[0009] As a preferred technical solution of the present utility model, the guide rail is slidably inserted inside the chute.
[0010] As a preferred technical solution of the present utility model, the slider is slidably connected inside the adjusting groove, and the slider is threadedly sleeved on the first lead screw.
[0011] As a preferred technical solution of the present utility model, the second lead screw is slidably inserted into the lifting sleeve and the sliding table, and the bottom support is fixedly connected to the top end of the telescopic rod.
[0012] As a preferred technical solution of the present utility model, the thread directions at both ends of the adjusting lead screw are oppositely arranged.
[0013] As a preferred technical solution of the present utility model, the adjusting block is threadedly sleeved on the adjusting lead screw.
[0014] Compared with the prior art, the present utility model has the following beneficial effects:
[0015] 1. For this steel pipe clamping and welding device, by rotating the adjusting nuts at both ends above the welding table according to the steel pipe size to push the second lead screw out, the bottom support is lifted to the required height. Then, the two steel pipes are respectively placed on the two bottom supports and fixed by the anti-slip pads. At this time, hold one end of the first rotating handle to drive the first lead screw to rotate. The rotating first lead screw pushes the slider to move and drives the connected sliding table to move accordingly. Since the telescopic rod arranged on the upper surface of the sliding table is connected to the bottom support, when the sliding table moves, the bottom support also moves accordingly and drives the steel pipe to start moving. After the position of one side of the steel pipe is adjusted, adjust the position of the other side of the steel pipe until the distance between the two steel pipes reaches the required welding distance. This device is convenient for adjusting the welding distance of the steel pipes.
[0016] 2. For this steel pipe clamping and welding device, after the distance between the steel pipes is adjusted, hold each second rotating handle in turn to drive the adjusting lead screw to rotate, so that the rotating adjusting lead screw pushes the two adjusting blocks and the support arms of the same group to move towards each other, shortening the distance between the arc-shaped arms and the clamping wheels until the arc-shaped arms and the clamping wheels clamp the steel pipe, and the four clamping wheels of the same group fix the steel pipe. After the two groups of steel pipes are clamped, rotary welding can be carried out. This device is convenient for clamping and welding the steel pipes. Description of the Drawings
[0017] Figure 1 It is a schematic diagram of the overall structure of the present utility model;
[0018] Figure 2 It is an exploded structure diagram of the welding table and the sliding table of the present utility model;
[0019] Figure 3 It is a schematic diagram of the connection structure between the sliding table and the bottom support of the present utility model;
[0020] Figure 4 It is a schematic diagram of the clamping mechanism structure of the present utility model;
[0021] Figure 5 It is an exploded structure diagram of the clamping mechanism of the present utility model.
[0022] In the figure: 1. Welding table; 101. Support feet; 102. Adjustment groove; 103. First lead screw; 104. First turning handle; 105. Guide rail; 2. Sliding table; 201. Sliding groove; 202. Slide block; 203. Telescopic rod; 204. Lifting sleeve; 205. Adjusting nut; 206. Second lead screw; 207. Bottom support; 208. Anti-slip pad; 3. Clamping mechanism; 301. Base; 302. Moving groove; 303. Rotating hole; 304. Adjusting lead screw; 305. Second turning handle; 306. Adjusting block; 307. Support arm; 308. Arc-shaped arm; 309. Clamping wheel. Specific embodiments
[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0024] Please refer to Figures 1-5 , a steel pipe clamping and welding device, including a welding table 1, a sliding table 2 is slidably connected to the upper surface of the welding table 1, a clamping mechanism 3 for facilitating clamping and fixing of the steel pipe is arranged on the upper surface of the welding table 1, support feet 101 are fixedly connected to the lower surface of the welding table 1, an adjustment groove 102 is opened on the upper surface of the welding table 1, a first lead screw 103 is rotatably connected inside the adjustment groove 102, a first turning handle 104 is fixedly connected to the outer end of the first lead screw 103, a guide rail 105 is fixedly connected to the upper surface of the welding table 1, and the guide rail 105 is slidably inserted inside the sliding groove 201.
[0025] Please refer to Figures 4-5, the clamping mechanism 3, the clamping mechanism 3 includes a base 301, a movable groove 302, a rotating hole 303, an adjusting screw rod 304, a second rotating handle 305, an adjusting block 306, a support arm 307, an arc-shaped arm 308 and a clamping wheel 309. The base 301 is fixedly connected to the upper surface of the welding table 1. The movable groove 302 is opened on the upper surface of the base 301. The rotating hole 303 is penetrated and opened on one side of the base 301. The adjusting screw rod 304 is rotatably connected inside the rotating hole 303. The second rotating handle 305 is fixedly connected to the outer end of the adjusting screw rod 304. The adjusting block 306 is slidably connected inside the movable groove 302. The support arm 307 is fixedly connected to the upper surface of the adjusting block 306. The arc-shaped arm 308 is fixedly connected to the top of the support arm 307. The clamping wheels 309 are rotatably connected to both ends of the arc-shaped arm 308. The thread directions at both ends of the adjusting screw rod 304 are oppositely arranged, and the adjusting block 306 is threadedly sleeved on the adjusting screw rod 304.
[0026] By providing the adjusting block 306, the support arm 307, the arc-shaped arm 308 and the clamping wheels 309, it is convenient to clamp and fix steel pipes of different sizes. By providing the adjusting screw rod 304 and the second rotating handle 305, and the thread directions on the adjusting screw rod 304 are opposite, so that when the adjusting screw rod 304 rotates, the adjusting screw rod 304 can drive the two adjusting blocks 306 to move inwards or outwards simultaneously, and then adjust the distance between the arc-shaped arm 308 and the clamping wheels 309 to clamp steel pipes of different sizes.
[0027] Please refer to Figures 2-3 , a sliding groove 201 is opened at the bottom of the sliding table 2. A slider 202 is fixedly connected to the bottom of the sliding table 2. A telescopic rod 203 is fixedly connected to the upper surface of the sliding table 2. A lifting sleeve 204 is fixedly connected to the upper surface of the sliding table 2. An adjusting nut 205 is rotatably connected inside the lifting sleeve 204. A second screw rod 206 is threadedly inserted inside the adjusting nut 205. The top of the second screw rod 206 is fixedly connected to a bottom support 207. An anti-slip pad 208 is fixedly connected to the upper surface of the bottom support 207. The slider 202 is slidably connected inside the adjusting groove 102. The slider 202 is threadedly sleeved on the first screw rod 103. The second screw rod 206 is slidably inserted inside the lifting sleeve 204 and the sliding table 2. The bottom support 207 is fixedly connected to the top of the telescopic rod 203.
[0028] By providing the sliding groove 201 and the slider 202, it is convenient to connect with the first screw rod 103 and the guide rail 105 provided on the welding table 1, and then control the movement of the sliding table 2. By providing the lifting sleeve 204, the adjusting nut 205, the second screw rod 206, the bottom support 207 and the anti-slip pad 208, it is convenient to adjust the height from the ground and support the movement according to steel pipes of different sizes.
[0029] Working principle: When a steel pipe clamping and welding device is in use, in the initial state, first, the adjustment groove 102 and the guide rail 105 are arranged on the upper surface of the welding table 1. The first lead screw 103 rotatably connected in the adjustment groove 102 is connected to the sliding table 2 through the slider 202, and the telescopic rod 203 and the bottom support 207 are arranged on the upper surface of the sliding table 2 to facilitate pre-supporting the steel pipe and adjusting the double-pipe spacing. And an activity groove 302 is opened in the base 301 arranged on the upper surface of the welding table 1. The adjustment lead screw 304 rotatably connected in the activity groove 302 is connected to the adjustment block 306 and the support arm 307, and an arc-shaped arm 308 with clamping wheels 309 installed at both ends is arranged on the support arm 307 to facilitate clamping and fixing the steel pipe and rotating and welding the steel pipe;
[0030] When it is necessary to adjust the welding spacing of the steel pipe, first, rotate the adjusting nuts 205 at both ends above the welding table 1 according to the size of the steel pipe to push the second lead screw 206 to extend and move the bottom support 207 to the required height. Then, place the two steel pipes on the two bottom supports 207 respectively and fix them with the anti-slip pads 208. At this time, hold one end of the first turning handle 104 to drive the first lead screw 103 to rotate. The rotating first lead screw 103 pushes the slider 202 to move and drives the connected sliding table 2 to move accordingly. Since the telescopic rod 203 arranged on the upper surface of the sliding table 2 is connected to the bottom support 207, when the sliding table 2 moves, the bottom support 207 also moves accordingly and drives the steel pipe to start moving. After the position of one side of the steel pipe is adjusted, adjust the position of the other side of the steel pipe until the spacing between the two steel pipes reaches the required welding distance. This device is convenient for adjusting the welding spacing of the steel pipe.
[0031] When it is necessary to clamp and weld the steel pipe, first, after the steel pipe spacing is adjusted, hold the second turning handle 305 one by one to drive the adjustment lead screw 304 to rotate, so that the rotating adjustment lead screw 304 pushes the two adjustment blocks 306 and the support arm 307 in the same group to move towards each other, shortening the spacing between the arc-shaped arm 308 and the clamping wheels 309 until the arc-shaped arm 308 and the clamping wheels 309 clamp the steel pipe, and the four clamping wheels 309 in the same group fix the steel pipe. After the two groups of steel pipes are clamped, rotation welding can be carried out. This device is convenient for clamping and welding the steel pipe.
[0032] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A steel pipe clamping and welding device, comprising a welding table (1), characterized in that: A sliding table (2) is slidably connected to the upper surface of the welding table (1), and a clamping mechanism (3) for facilitating clamping and fixing of a steel pipe is provided on the upper surface of the welding table (1). Clamping mechanism (3), the clamping mechanism (3) includes a base (301), a movable groove (302), a rotating hole (303), an adjusting screw rod (304), a second turning handle (305), an adjusting block (306), a support arm (307), an arc-shaped arm (308) and a clamping wheel (309). The base (301) is fixedly connected to the upper surface of the welding table (1). The movable groove (302) is opened on the upper surface of the base (301). The rotating hole (303) is penetrated and opened on one side of the base (301). The adjusting screw rod (304) is rotatably connected inside the rotating hole (303). The second turning handle (305) is fixedly connected to the outer end of the adjusting screw rod (304). The adjusting block (306) is slidably connected inside the movable groove (302). The support arm (307) is fixedly connected to the upper surface of the adjusting block (306). The arc-shaped arm (308) is fixedly connected to the top of the support arm (307). The clamping wheels (309) are rotatably connected to both ends of the arc-shaped arm (308).
2. The steel pipe clamping and welding device according to claim 1, wherein: Support feet (101) are fixedly connected to the lower surface of the welding table (1). An adjusting groove (102) is opened on the upper surface of the welding table (1). A first screw rod (103) is rotatably connected inside the adjusting groove (102). A first turning handle (104) is fixedly connected to the outer end of the first screw rod (103). A guide rail (105) is fixedly connected to the upper surface of the welding table (1).
3. The steel pipe clamping and welding device according to claim 1, characterized in that: A chute (201) is opened at the bottom of the sliding table (2). A slider (202) is fixedly connected to the bottom of the sliding table (2). An expansion rod (203) is fixedly connected to the upper surface of the sliding table (2). A lifting sleeve (204) is fixedly connected to the upper surface of the sliding table (2). An adjusting nut (205) is rotatably connected inside the lifting sleeve (204). A second screw rod (206) is threadedly inserted into the adjusting nut (205). A bottom support (207) is fixedly connected to the top of the second screw rod (206). An anti-slip pad (208) is fixedly connected to the upper surface of the bottom support (207).
4. The steel pipe clamping and welding device according to claim 2, wherein: The guide rail (105) is slidably inserted into the chute (201).
5. The steel pipe clamping and welding device according to claim 3, wherein: The slider (202) is slidably connected inside the adjusting groove (102), and the slider (202) is threadedly sleeved on the first screw rod (103).
6. The steel pipe clamping and welding device according to claim 3, characterized in that: The second screw rod (206) is slidably inserted into the lifting sleeve (204) and the sliding table (2), and the bottom support (207) is fixedly connected to the top of the expansion rod (203).
7. A steel pipe clamping and welding device according to claim 1, characterized in that: The thread directions at both ends of the adjusting screw rod (304) are oppositely arranged.
8. A steel pipe clamping and welding device according to claim 1, characterized in that: The adjusting block (306) is threadedly sleeved on the adjusting screw rod (304).