Pipe welder clamping device convenient to adjust

Abstract

The utility model discloses a pipe welder clamping device convenient to adjust, and relates to the technical field of pipe clamping, the pipe welder clamping device comprises a [-shaped frame, and further comprises a clamping mechanism, the clamping mechanism is arranged on the [-shaped frame, the clamping mechanism comprises two placing blocks arranged on the [-shaped frame, and the two placing blocks are arranged on the [-shaped frame. The clamping mechanism is used for flexibly clamping pipes when the pipes with different thicknesses are placed; the adaptation mechanism is arranged on the [-shaped frame; after the rectangular groove in the T-shaped hollow plate leaves the rectangular box, gas in the rectangular box can be exhausted and pressure is released, when the pushing plate descends to the lowest position, redundant gas in the corresponding rectangular box can be exhausted completely, and due to the fact that the elastic force of the reset spring is equal to the clamping force of the strip-shaped block on a pipe, the pipe can be clamped by the strip-shaped block. At the moment, a reset spring can pull a rectangular groove in a T-shaped hollow plate back into a rectangular box under the action of elastic force, the air pressure of a T-shaped air box is stable and enough for the strip-shaped block to clamp the pipe, and therefore flexible clamping of the pipes with different diameters is achieved.

Description

Technical Field

[0001] This utility model relates to the field of pipe clamping technology, and in particular to a clamping device for a welded pipe machine that is easy to adjust. Background Technology

[0002] Pipe welding machines are a key welding device. With the rapid development of industry, the demand for steel pipes is constantly increasing, and the pipe manufacturing industry is also developing rapidly. In the production and processing of steel pipes, in order to meet the needs of different fields, different types of steel pipes need to be produced. Pipe welding machines are very important in the production and processing of steel pipes. They can weld steel pipes together to produce steel pipes of different shapes required by different production lines. Pipe welding machines use clamping devices during welding.

[0003] Most devices can only clamp a single type of pipe. When changing to pipes of different diameters, the corresponding clamping device needs to be changed, which complicates the operation and reduces clamping efficiency. Utility Model Content

[0004] The purpose of this invention is to provide an easily adjustable clamping device for a welded pipe machine, in order to solve at least one of the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an easily adjustable clamping device for a welded pipe machine, comprising a U-shaped frame, and further comprising:

[0006] A clamping mechanism is provided on a U-shaped frame. The clamping mechanism includes two placement blocks provided on the U-shaped frame. The clamping mechanism is used to flexibly clamp pipes of different diameters when placing them.

[0007] An adaptation mechanism is provided on a C-shaped frame. The adaptation mechanism includes a C-shaped mounting plate provided on the C-shaped frame. The adaptation mechanism is used to discharge excess gas when clamping pipes, so as to avoid the generation of high pressure in the device, which would prevent it from flexibly clamping pipes of different diameters.

[0008] Preferably, the clamping mechanism includes two placement blocks fixedly installed on the top of the U-shaped frame, a placement plate fixedly installed on the side of the two placement blocks that are far apart from each other, and a plurality of hollow blocks fixedly installed on the side of the two placement plates that are far apart from each other.

[0009] Preferably, limiting springs are fixedly installed on the inner walls of the hollow blocks on the sides away from each other, and strip blocks are fixedly installed on the ends of the limiting springs that are close to each other. Serrated grooves are opened on the ends of the strip blocks that are close to each other, and the strip blocks are slidably connected to the hollow blocks respectively.

[0010] Preferably, a T-shaped air box is fixedly installed on the bottom inner wall of the C-shaped frame, and two L-shaped air pipes are fixedly installed on the front and back of the T-shaped air box, respectively, and connecting pipes are fixedly installed on several L-shaped air pipes.

[0011] Preferably, two gas supply pipes are fixedly installed on the top of the T-shaped gas box, and the two gas supply pipes and several connecting pipes are respectively connected to several hollow blocks.

[0012] Preferably, the adaptation mechanism includes an inverted mounting plate fixedly installed on the top of the inverted frame, a hydraulic cylinder fixedly installed on the top inner wall of the inverted mounting plate, the output end of the hydraulic cylinder slidingly extending into the T-shaped air box, a push plate fixedly installed on the output end of the hydraulic cylinder, and the push plate slidingly connected to the T-shaped air box.

[0013] Preferably, the top of the T-shaped air box has several round holes, and the front and back of the T-shaped air box have strip grooves respectively.

[0014] Preferably, the adaptation mechanism further includes two adaptation components. Each adaptation component includes a rectangular box fixedly installed on a T-shaped air box. The bottom end of the rectangular box extends into the T-shaped air box. A T-shaped hollow plate is slidably installed inside the rectangular box. A return spring is fixedly installed on the bottom inner wall of the rectangular box. The top end of the return spring is fixedly connected to the top inner wall of the T-shaped hollow plate. Rectangular grooves are respectively opened on the front and back sides of the T-shaped hollow plate.

[0015] The beneficial effects of this utility model are as follows:

[0016] In this utility model:

[0017] 1. When the pipe is thicker, the hydraulic cylinder drives the push plate to descend. At this time, the corresponding strip block will still clamp the thicker pipe. Since the position of the hydraulic cylinder remains unchanged, after the strip block clamps the thicker pipe, the air pressure in the T-shaped air box will continue to rise. The corresponding gas will enter the rectangular box, and the gas will push the T-shaped hollow plate to rise. At this time, the return spring will be stretched and deformed. When the rectangular groove on the T-shaped hollow plate leaves the rectangular box, the gas in the rectangular box will be discharged and depressurized. When the push plate descends to the lowest position, the excess gas in the rectangular box will be discharged. Since the elastic force of the return spring is equal to the clamping force of the strip block on the pipe, the return spring will pull the rectangular groove on the T-shaped hollow plate back into the rectangular box under the action of the elastic force. At this time, the air pressure in the T-shaped air box is stable and sufficient for the strip block to clamp the pipe, thereby realizing flexible clamping of pipes of different diameters.

[0018] 2. When using, place the pipe on the two placement blocks, then start the hydraulic cylinder. The hydraulic cylinder drives the push plate to descend. After passing through the strip groove, the push plate will push and compress the air in the T-shaped air box. At this time, the air pressure in the T-shaped air box increases, and the corresponding gas will be input into the hollow block through the T-shaped air box, L-shaped air pipe, connecting pipe and air supply pipe. At this time, the air will push the strip block in the hollow block to move closer to the pipe. At this time, the limit spring will be stretched and deformed. When the serrated groove on the strip block contacts the pipe, several strip blocks will clamp the pipe, thereby improving the clamping efficiency. The serrated groove will increase the friction of clamping the pipe, making the strip block clamp the pipe more stably. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0020] Figure 2 This is a schematic cross-sectional view of the front part of this utility model;

[0021] Figure 3 This utility model Figure 2 A magnified structural diagram of A in the middle;

[0022] Figure 4 This is a front sectional view of the present invention.

[0023] Figure 5 This utility model Figure 4 A magnified structural diagram of B in the diagram.

[0024] In the diagram: 1. C-shaped frame; 101. Placement block; 102. Placement plate; 103. Hollow block; 104. Limiting spring; 105. Strip block; 106. Serrated groove; 107. T-shaped air box; 108. L-shaped air pipe; 109. Connecting pipe; 110. Air supply pipe; 2. C-shaped mounting plate; 201. Hydraulic cylinder; 202. Push plate; 203. Round hole; 204. Strip groove; 205. Rectangular box; 206. T-shaped hollow plate; 207. Return spring; 208. Rectangular groove. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] This utility model provides, for example Figure 1-5The illustrated adjustable pipe clamping device includes a U-shaped frame 1 and further includes: a clamping mechanism mounted on the U-shaped frame 1, comprising two placement blocks 101 mounted on the U-shaped frame 1, used for flexibly clamping pipes of different diameters; and an adapting mechanism mounted on the U-shaped frame 1, comprising a U-shaped mounting plate 2 mounted on the U-shaped frame 1, used to discharge excess gas when clamping pipes, preventing high pressure buildup within the device that would hinder flexible clamping of pipes of different diameters. The clamping mechanism includes two placement blocks 101 fixedly mounted on the top of the U-shaped frame 1, with placement plates 102 fixedly mounted on the sides of the two placement blocks 101 that are far apart from each other, and several hollow blocks 103 fixedly mounted on the sides of the two placement plates 102 that are far apart from each other. Limiting springs 104 are fixedly installed on the inner walls of several hollow blocks 103 on their respective far sides. Strip blocks 105 are fixedly installed on the near ends of several limiting springs 104. Serrated grooves 106 are formed on the near ends of several strip blocks 105. Several strip blocks 105 are slidably connected to several hollow blocks 103. A T-shaped air box 107 is fixedly installed on the bottom inner wall of the C-shaped frame 1. Two L-shaped air pipes 108 are fixedly installed on the front and back of the T-shaped air box 107, and connecting pipes 109 are fixedly installed on several L-shaped air pipes 108. Two air supply pipes 110 are fixedly installed on the top of the T-shaped air box 107. The two air supply pipes 110 and several connecting pipes 109 are respectively connected to several hollow blocks 103.

[0027] In use, the pipe is placed on the two placement blocks 101, and then the hydraulic cylinder 201 is activated. The hydraulic cylinder 201 drives the push plate 202 to descend. After passing through the strip groove 204, the push plate 202 pushes and compresses the air in the T-shaped air box 107. At this time, the air pressure in the T-shaped air box 107 increases, and the corresponding gas is input into the hollow block 103 through the T-shaped air box 107, the L-shaped air pipe 108, the connecting pipe 109, and the air supply pipe 110. At this time, the air will simultaneously push the strip block 105 in the hollow block 103 to move closer to the pipe. At this time, the limiting spring 104 is stretched and deformed. When the serrated groove 106 on the strip block 105 contacts the pipe, several strip blocks 105 clamp the pipe, thereby improving the clamping efficiency. The serrated groove 106 increases the friction force on the pipe clamping, making the strip block 105 clamp the pipe more stably.

[0028] The adapting mechanism includes a C-shaped mounting plate 2 fixedly installed on the top of the C-shaped frame 1. A hydraulic cylinder 201 is fixedly installed on the inner top wall of the C-shaped mounting plate 2. The output end of the hydraulic cylinder 201 slides into the T-shaped air box 107. A push plate 202 is fixedly installed on the output end of the hydraulic cylinder 201, and the push plate 202 is slidably connected to the T-shaped air box 107. The top of the T-shaped air box 107 has several round holes 203, and the front and back of the T-shaped air box 107 have strip grooves 204 respectively. The adaptation mechanism also includes two adaptation components. The adaptation components include a rectangular box 205 fixedly installed on the T-shaped air box 107. The bottom end of the rectangular box 205 extends into the T-shaped air box 107. A T-shaped hollow plate 206 is slidably installed inside the rectangular box 205. A return spring 207 is fixedly installed on the bottom inner wall of the rectangular box 205. The top end of the return spring 207 is fixedly connected to the top inner wall of the T-shaped hollow plate 206. Rectangular grooves 208 are respectively opened on the front and back of the T-shaped hollow plate 206.

[0029] When the pipe is thicker, the hydraulic cylinder 201 drives the push plate 202 to descend. At this time, the corresponding strip block 105 will still clamp the thicker pipe. Since the position of the hydraulic cylinder 201 remains unchanged, after the strip block 105 clamps the thicker pipe, the air pressure in the T-shaped air box 107 will continue to rise, and the corresponding gas will enter the rectangular box 205. The gas will push the T-shaped hollow plate 206 to rise. At this time, the return spring 207 will undergo tensile deformation. When the rectangular groove 208 on the T-shaped hollow plate 206 leaves the rectangular box 205... Then, the gas in the rectangular box 205 will be discharged and depressurized. When the push plate 202 descends to the lowest position, the excess gas in the rectangular box 205 will be discharged. Since the elastic force of the return spring 207 is equal to the clamping force of the strip block 105 on the pipe, the return spring 207 will pull the rectangular groove 208 on the T-shaped hollow plate 206 back into the rectangular box 205 under the action of the elastic force. At this time, the air pressure of the T-shaped air box 107 is stable and sufficient for the strip block 105 to clamp the pipe, thereby realizing flexible clamping of pipes with different diameters.

[0030] The working principle of the easily adjustable pipe welding machine clamping device provided by this utility model is as follows:

[0031] In use, the pipe is placed on the two placement blocks 101, and then the hydraulic cylinder 201 is activated. The hydraulic cylinder 201 drives the push plate 202 to descend. After passing the strip groove 204, the push plate 202 pushes and compresses the air in the T-shaped air box 107. At this time, the air pressure in the T-shaped air box 107 increases, and the corresponding gas is input into the hollow block 103 through the T-shaped air box 107, L-shaped air pipe 108, connecting pipe 109 and air supply pipe 110. At this time, the air will simultaneously push the strip block 105 in the hollow block 103 to move closer to the pipe. At this time, the limiting spring 104 is stretched and deformed. When the serrated groove 106 on the strip block 105 contacts the pipe, several strip blocks 105 clamp the pipe, thereby improving the clamping efficiency. The serrated groove 106 increases the friction force on the pipe clamping, making the strip block 105 clamp the pipe more stably.

[0032] When the pipe is thicker, the hydraulic cylinder 201 drives the push plate 202 to descend. At this time, the corresponding strip block 105 will still clamp the thicker pipe. Since the position of the hydraulic cylinder 201 remains unchanged, after the strip block 105 clamps the thicker pipe, the air pressure in the T-shaped air box 107 will continue to rise, and the corresponding gas will enter the rectangular box 205. The gas will push the T-shaped hollow plate 206 to rise. At this time, the return spring 207 will undergo tensile deformation. When the rectangular groove 208 on the T-shaped hollow plate 206 leaves the rectangular box 205... Then, the gas in the rectangular box 205 will be discharged and depressurized. When the push plate 202 descends to the lowest position, the excess gas in the rectangular box 205 will be discharged. Since the elastic force of the return spring 207 is equal to the clamping force of the strip block 105 on the pipe, the return spring 207 will pull the rectangular groove 208 on the T-shaped hollow plate 206 back into the rectangular box 205 under the action of the elastic force. At this time, the air pressure of the T-shaped air box 107 is stable and sufficient for the strip block 105 to clamp the pipe, thereby realizing flexible clamping of pipes with different diameters.

[0033] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. An easily adjustable clamping device for a welded pipe machine, comprising a U-shaped frame (1), characterized in that, Also includes: A clamping mechanism is provided on a shaped frame (1). The clamping mechanism includes two placement blocks (101) provided on the shaped frame (1). The clamping mechanism is used to flexibly clamp the pipes when placing pipes of different diameters. An adaptation mechanism is provided on a shaped frame (1). The adaptation mechanism includes a shaped mounting plate (2) provided on the shaped frame (1). The adaptation mechanism is used to discharge excess gas when clamping pipes, so as to avoid the generation of high pressure in the device that makes it difficult to flexibly clamp pipes of different diameters.

2. The easily adjustable clamping device for a welded pipe machine according to claim 1, characterized in that: The clamping mechanism includes two placement blocks (101) fixedly installed on the top of the shaped frame (1), and placement plates (102) are fixedly installed on the sides of the two placement blocks (101) that are far apart from each other. Several hollow blocks (103) are fixedly installed on the sides of the two placement plates (102) that are far apart from each other.

3. The easily adjustable clamping device for a welded pipe machine according to claim 2, characterized in that: Limiting springs (104) are fixedly installed on the inner walls of the hollow blocks (103) on the side away from each other. Strip blocks (105) are fixedly installed on the side of the limiting springs (104) that are close to each other. Serrated grooves (106) are opened on the side of the strip blocks (105) that are close to each other. The strip blocks (105) are slidably connected to the hollow blocks (103).

4. The easily adjustable clamping device for a welded pipe machine according to claim 1, characterized in that: A T-shaped air box (107) is fixedly installed on the bottom inner wall of the C-shaped frame (1). Two L-shaped air pipes (108) are fixedly installed on the front and back of the T-shaped air box (107), and connecting pipes (109) are fixedly installed on several L-shaped air pipes (108).

5. The easily adjustable clamping device for a welded pipe machine according to claim 4, characterized in that: Two gas supply pipes (110) are fixedly installed on the top of the T-shaped gas box (107). The two gas supply pipes (110) and several connecting pipes (109) are respectively connected to several hollow blocks (103).

6. The easily adjustable clamping device for a welded pipe machine according to claim 4, characterized in that: The adaptation mechanism includes an inverted mounting plate (2) fixedly installed on the top of the inverted frame (1). A hydraulic cylinder (201) is fixedly installed on the inner top wall of the inverted mounting plate (2). The output end of the hydraulic cylinder (201) slides into the T-shaped air box (107). A push plate (202) is fixedly installed on the output end of the hydraulic cylinder (201). The push plate (202) is slidably connected to the T-shaped air box (107).

7. The easily adjustable clamping device for a welded pipe machine according to claim 4, characterized in that: The top of the T-shaped air box (107) has several round holes (203), and the front and back of the T-shaped air box (107) have strip grooves (204).

8. The easily adjustable clamping device for a welded pipe machine according to claim 4, characterized in that: The adaptation mechanism further includes two adaptation components. The adaptation component includes a rectangular box (205) fixedly installed on the T-shaped air box (107). The bottom end of the rectangular box (205) extends into the T-shaped air box (107). A T-shaped hollow plate (206) is slidably installed inside the rectangular box (205). A return spring (207) is fixedly installed on the bottom inner wall of the rectangular box (205). The top end of the return spring (207) is fixedly connected to the top inner wall of the T-shaped hollow plate (206). Rectangular grooves (208) are respectively opened on the front and back of the T-shaped hollow plate (206).

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