Workpiece fixing device for stainless steel pipe fusion welding

Abstract

The utility model discloses a workpiece fixing device for stainless steel pipe fusion welding, which relates to the technical field of stainless steel pipe fixing and comprises a base, fixing mechanisms are arranged on two sides of the top of the base, a fixing plate is arranged on the top of the middle of the base, and the fixing plate is fixedly connected with the base. And a groove is formed in the top surface of the base. According to the workpiece fixing device for stainless steel pipe fusion welding, the distance between two clamping plates is shortened, so that the clamping plates are gradually in contact with a steel pipe, the two ends of the steel pipe are fixed, shaking is prevented, a connecting rod is moved, and the bottom end of a stopping rod is in contact with the inner wall of the steel pipe; and then, when the mounting screw is combined with the other mounting hole, the positioning rod enters the hole to prevent the stopping rod from moving, the steel pipe can be propped through the stopping rod, the steel pipe is prevented from moving upwards, the steel pipe is comprehensively fixed, the steel pipe is fixed through simple operation, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of stainless steel pipe fixing, in particular to a workpiece fixing device for stainless steel pipe fusion welding. Background Art

[0002] Stainless steel pipe is a hollow long round steel, which is widely used in industrial pipelines such as petroleum, chemical, medical, food, light industry, mechanical instruments, and mechanical structural components. In the prior art, when fixing the steel pipe, the existing fixing device can prevent the left and right shaking, but cannot prevent the workpiece from moving up and down. In addition, it cannot be fixed by simple operation later, which cannot improve work efficiency and is inconvenient to use.

[0003] For example, patent application number CN202320089357.6, the utility model discloses a stainless steel pipe clamping and fixing device. The utility model sets an arc-shaped clamp, a threaded rod and a guide rod, so that when the clamping diameter of the clamping mechanism does not meet the outer diameter of the stainless steel pipe, the overall can be well adjusted, thereby meeting the clamping of steel pipes of different thicknesses, avoiding the tediousness of replacing the clamping mechanism when it is unqualified, and reducing the investment cost. When in use, it cannot prevent the workpiece from moving up and down, and when fixing it later, it cannot be fixed by simple operation, and the work efficiency cannot be improved, and it is inconvenient to use.

[0004] For example, patent application number CN202220935642.0, the utility model discloses a fixing device for processing special-shaped stainless steel pipes. The existing device is not convenient for tightening the fan-shaped pipe, which affects the processing of the operator. At this time, the two ends of the fan-shaped pipe to be processed are clamped between the special-shaped block and the first base plate and the second base plate, and the handle is rotated to tighten it, and then the fastening seats at both ends are tightened by the fastening assembly, so that the fan-shaped pipe to be processed is in the fastening device, avoiding sliding during processing and ensuring the processing quality. When in use, it cannot prevent the workpiece from moving up and down, and it cannot be fixed by simple operation later, and the work efficiency cannot be improved, and it is inconvenient to use. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a workpiece fixing device for stainless steel pipe fusion welding, which solves the problems that the workpiece cannot be prevented from moving up and down, and cannot be fixed through simple operations during subsequent fixing, thus failing to improve work efficiency and being inconvenient to use.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: a workpiece fixing device for stainless steel pipe fusion welding, comprising a base, fixing mechanisms are arranged on both sides of the top of the base, a fixing plate is arranged at the middle top of the base, the fixing plate is fixedly connected to the base, a groove is arranged on the top surface of the base, a threaded rod is arranged inside the groove, and the thread on the surface of the threaded rod is arranged in two sections, and the two sections of the thread are arranged oppositely.

[0007] The fixing mechanism includes two clamping plates, and each of the clamping plates is provided with a stop rod on one side close to the fixing plate, a guide rod is provided at one end of the stop rod, and the guide rod is inclined, one end of the guide rod extends to the inside of the stop rod and is movably connected to the stop rod, a moving rod is provided inside the guide rod, a protrusion is fixedly provided on the front side of one end of the moving rod, a positioning rod is provided on the back side of the bottom end of the moving rod, and a hole is provided on the back side of the top end of the stop rod, and the hole is adapted to the positioning rod.

[0008] Preferably, a motor is provided at one end of the threaded rod, and the output shaft end of the motor is transmission-connected to the threaded rod. The threaded rod passes through the clamping plate and is movably connected to the clamping plate, thereby reducing the distance between the two clamping plates, so that the clamping plate gradually contacts the steel pipe, thereby fixing both ends of the steel pipe.

[0009] Preferably, a round rod is arranged inside the top end of the guide rod, and the round rod passes through the top end of the moving rod, so that the moving rod can move along the round rod smoothly.

[0010] Preferably, a connecting spring is provided on the back of the movement rod, and a mounting hole is provided on the front of the guide rod. The number of the mounting holes is two, and the movement rod can be automatically moved by the connecting spring.

[0011] Preferably, a connecting rod is provided on the front side of the guide rod, and a steel wire rope is provided on one side of the connecting rod. The steel wire rope passes through the guide rod and is movably connected to the guide rod. The connecting rod is fixedly connected to the resisting rod through the steel wire rope, and the resisting rod can be moved by subsequent stretching of the connecting rod.

[0012] Preferably, a mounting screw is provided on the top of the base, and a weight block is provided inside the resisting rod, and the number of the weight blocks is multiple, so that the overall weight is increased, which makes it convenient to support the steel pipe and also makes it convenient for the resisting rod to move downward automatically.

[0013] Preferably, a limiting block is provided on the back side of the bottom end of the guide rod, and a transverse block is provided on the inner wall of the top end of the resisting rod, and the block is in contact with the limiting block to facilitate transitional movement. Beneficial Effects

[0014] The utility model provides a workpiece fixing device for stainless steel pipe fusion welding. Compared with the prior art, it has the following beneficial effects:

[0015] 1. The workpiece fixing device for stainless steel pipe fusion welding reduces the distance between the two clamping plates so that the clamping plates gradually contact the steel pipe, fixes both ends of the steel pipe to prevent shaking, and moves the connecting rod so that the bottom end of the resisting rod contacts the inner wall of the steel pipe. When the mounting screw is then combined with another mounting hole, the positioning rod enters the hole to prevent the resisting rod from moving. The resisting rod can hold the steel pipe against upward movement, thereby fully fixing the steel pipe and fixing it with simple operation, thereby improving work efficiency.

[0016] 2. The workpiece fixing device for stainless steel pipe fusion welding has multiple weight blocks installed at the stop rod, so that the overall weight is increased, which makes it convenient to hold the steel pipe, and also makes it convenient for the stop rod to move downward automatically, and allows the cross block to contact with the limit block, which is convenient for excessive movement. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the fixing mechanism of the utility model;

[0019] Figure 3 It is a cross-sectional view of the blocking rod and the guide rod of the utility model;

[0020] Figure 4 It is a back view of the overall structure of the utility model.

[0021] In the figure: 1. base; 2. fixing mechanism; 201. clamping plate; 202. blocking rod; 203. guide rod; 204. moving rod; 205. protrusion; 206. positioning rod; 207. hole; 208. round rod; 209. connecting spring; 210. mounting hole; 211. connecting rod; 212. wire rope; 213. mounting screw; 214. weight block; 215. limiting block; 216. cross block; 3. fixing plate; 4. groove; 5. threaded rod; 6. motor. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-4 The utility model provides a technical solution: a workpiece fixing device for stainless steel pipe fusion welding, comprising a base 1, fixing mechanisms 2 are arranged on both sides of the top of the base 1, a fixing plate 3 is arranged on the middle top of the base 1, the fixing plate 3 is fixedly connected to the base 1, a groove 4 is arranged on the top surface of the base 1, a threaded rod 5 is arranged inside the groove 4, and the thread on the surface of the threaded rod 5 is arranged in two sections, and the two sections of the thread are arranged oppositely.

[0024] The fixing mechanism 2 includes a clamping plate 201, and the number of the clamping plates 201 is two. A stop rod 202 is provided on one side of each clamping plate 201 close to the fixing plate 3. A guide rod 203 is provided at one end of the stop rod 202, and the guide rod 203 is inclined. One end of the guide rod 203 extends to the inside of the stop rod 202 and is movably connected to the stop rod 202. A moving rod 204 is provided inside the guide rod 203. A protrusion 205 is fixedly provided on the front side of one end of the moving rod 204, and a positioning rod 206 is provided on the back side of the bottom end of the moving rod 204. A hole 207 is provided on the back side of the top end of the stop rod 202, and the hole 207 is adapted to the positioning rod 206.

[0025] A motor 6 is disposed at one end of the threaded rod 5 , and an output shaft end of the motor 6 is transmission-connected to the threaded rod 5 . The threaded rod 5 penetrates the clamping plate 201 and is movably connected to the clamping plate 201 .

[0026] A round rod 208 is arranged inside the top of the guide rod 203, and the round rod 208 passes through the top of the moving rod 204. A connecting spring 209 is arranged on the back of the moving rod 204. A mounting hole 210 is arranged on the front of the guide rod 203, and the number of the mounting holes 210 is two.

[0027] A connecting rod 211 is provided on the front of the guide rod 203 , and a steel wire rope 212 is provided on one side of the connecting rod 211 . The steel wire rope 212 passes through the guide rod 203 and is movably connected to the guide rod 203 . The connecting rod 211 is fixedly connected to the resisting rod 202 via the steel wire rope 212 .

[0028] A mounting screw 213 is provided on the top of the base 1, a weight block 214 is provided inside the resisting rod 202, and the number of the weight blocks 214 is multiple, a limiting block 215 is provided on the back of the bottom end of the guide rod 203, and a cross block 216 is provided on the inner wall of the top end of the resisting rod 202.

[0029] During operation, the steel pipe is placed on the fixing plate 3, and the fixing plate 3 is used to support the steel pipe. The motor 6 is used. Since the output shaft end of the motor 6 is connected to the threaded rod 5, the threaded rod 5 is driven to rotate by the motor 6. During the rotation of the threaded rod 5, the thread on the surface of the threaded rod 5 is set to two sections, and the two sections of the thread are set oppositely. The clamping plates 201 threadedly connected to the threaded rod 5 move at the same time, and the distance between the two clamping plates 201 is reduced, so that the clamping plates 201 gradually contact with the steel pipe, fix the two ends of the steel pipe to prevent shaking, and when the clamping plates 201 move When the retaining rod 202 and the guide rod 203 are moved, the retaining rod 202 and the guide rod 203 are moved at the same time, and the bottom end of the retaining rod 202 is inserted into one end of the steel pipe, which is convenient for subsequent operations. Then, the threaded rod 5 is rotated first. Since the connecting rod 211 is connected to a mounting hole 210 through the mounting screw 213, the mounting screw 213 is removed, so that the connecting rod 211 and the mounting hole 210 can be separated. After separation, the connecting rod 211 and the mounting screw 213 are moved to another mounting hole 210. During the movement, since the retaining rod 202 is movably connected to the guide rod 203, the retaining rod 202 Move downward along the guide rod 203, and a plurality of weighting blocks 214 are installed at the stop rod 202 to increase the overall weight and stretch the wire rope 212. During the movement of the stop rod 202, the bottom end of the stop rod 202 contacts the inner wall of the steel pipe, and the distance between the horizontal block 216 fixedly connected to the stop rod 202 and the limiting block 215 is reduced. Finally, the horizontal block 216 and the limiting block 215 are contacted together to prevent further movement, and the hole 207 is aligned with the positioning rod 206 to facilitate subsequent operations, and then the mounting screw 213 is closed with another mounting hole 210. At the same time, it can push the protrusion 205 in the other mounting hole 210 to move, and allow the moving rod 204 to move at the same time. Since the moving rod 204 is movably connected to the round rod 208, the moving rod 204 can move along the round rod 208 to squeeze the connecting spring 209. When the moving rod 204 moves, the positioning rod 206 fixedly connected to the moving rod 204 enters the hole 207 to prevent the resisting rod 202 from moving. The resisting rod 202 can resist the steel pipe to prevent the steel pipe from moving upward, and the steel pipe can be fully fixed. It can be fixed with simple operation to improve work efficiency.

[0030] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Claims

1. A workpiece fixing device for stainless steel pipe fusion welding, comprising a base (1), characterized in that: Fixing mechanisms (2) are provided on both sides of the top of the base (1); a fixing plate (3) is provided at the middle top of the base (1); the fixing plate (3) is fixedly connected to the base (1); a groove (4) is provided on the top surface of the base (1); a threaded rod (5) is provided inside the groove (4); and the thread on the surface of the threaded rod (5) is provided in two sections, and the two sections of the thread are arranged opposite to each other; The fixing mechanism (2) comprises a clamping plate (201), and the number of the clamping plates (201) is two. A stop rod (202) is provided on one side of each clamping plate (201) close to the fixing plate (3). A guide rod (203) is provided at one end of the stop rod (202), and the guide rod (203) is arranged in an inclined manner. One end of the guide rod (203) extends to the inside of the stop rod (202) and is movably connected to the stop rod (202). A moving rod (204) is provided inside the guide rod (203). A protrusion (205) is fixedly provided on the front side of one end of the moving rod (204), and a positioning rod (206) is provided on the back side of the bottom end of the moving rod (204). A hole (207) is provided on the back side of the top end of the stop rod (202), and the hole (207) is adapted to the positioning rod (206).

2. A workpiece fixing device for stainless steel pipe fusion welding according to claim 1, characterized in that: A motor (6) is provided at one end of the threaded rod (5), and the end of the output shaft of the motor (6) is transmission-connected to the threaded rod (5); the threaded rod (5) passes through the clamping plate (201) and is movably connected to the clamping plate (201).

3. A workpiece fixing device for stainless steel pipe fusion welding according to claim 1, characterized in that: A round rod (208) is disposed inside the top end of the guide rod (203), and the round rod (208) penetrates the top end of the movement rod (204).

4. A workpiece fixing device for stainless steel pipe fusion welding according to claim 1, characterized in that: A connecting spring (209) is provided on the back of the movement rod (204), and a mounting hole (210) is provided on the front of the guide rod (203), and the number of the mounting holes (210) is two.

5. A workpiece fixing device for stainless steel pipe fusion welding according to claim 1, characterized in that: A connecting rod (211) is provided on the front side of the guide rod (203), and a steel wire rope (212) is provided on one side of the connecting rod (211); the steel wire rope (212) penetrates the guide rod (203) and is movably connected to the guide rod (203); and the connecting rod (211) is fixedly connected to the blocking rod (202) via the steel wire rope (212).

6. A workpiece fixing device for stainless steel pipe fusion welding according to claim 1, characterized in that: A mounting screw (213) is provided on the top of the base (1), and a weight block (214) is provided inside the resisting rod (202), and the weight blocks (214) are multiple in number.

7. A workpiece fixing device for stainless steel pipe fusion welding according to claim 1, characterized in that: A limiting block (215) is provided on the back side of the bottom end of the guide rod (203), and a horizontal block (216) is provided on the inner wall of the top end of the blocking rod (202).

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