Steel pipe coiling and drawing machine with stable pressing function

Abstract

The utility model discloses a steel pipe disc drawing machine with a stable pressing function, and relates to the technical field of destressing equipment, the steel pipe disc drawing machine comprises a destressing equipment main body, the top of the destressing equipment main body is provided with a feeding bin, the side surface of the feeding bin is fixedly provided with a calibration bin, and the right end of the calibration bin is fixedly connected with a heating chamber; a control box is fixedly installed on the surface of the destressing equipment body, a telescopic frame is movably installed on the surface of the feeding bin, and a feeding plate is fixedly installed at one end of the telescopic frame. The steel pipe is driven to move towards the inner side through telescopic movement of the telescopic columns, then the sliding rail plates and the positioning plates are matched in an inserted mode, the telescopic blocks move in a telescopic mode, the limiting columns are pushed to be accurately clamped into the positioning holes, and the limiting and fixing functions are achieved; and then the socketed pipe and the steel pipe are pulled to move together, so that the convenient feeding function is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of stress relief equipment, and particularly relates to a drawing machine for steel pipes with a stable pressing function. Background Art

[0002] During the production and use of steel pipes, due to the influence of processes such as processing, welding, and heat treatment, residual stress will be generated inside the steel pipes. If these residual stresses are not eliminated in time, problems such as deformation and cracking of the steel pipes will occur during use, seriously affecting the performance and service life of the steel pipes. Therefore, as an effective stress relief equipment, stress relief machines have been widely used in the field of steel pipe manufacturing and processing.

[0003] In the existing technical solutions, there is a disclosed patent with publication number: CN104451101B, a bending pipe stress relief machine, which includes a bracket, a pressing plate, a heating device, a lead screw transmission device, and a lifting cylinder. The lead screw transmission device is installed at one end of the bracket, the lifting cylinder is installed in the middle of the bracket, the pressing plate is fixedly connected below the lifting cylinder, the pressing plate is parallel to the ground, two heating devices are installed on the bracket, distributed on both sides of the lifting cylinder, the heating device between the lead screw transmission device and the lifting cylinder on the bracket is a movable heating device, and the heating device on the other side of the lifting cylinder is a fixed heating device.

[0004] To solve the problems that the stress relief methods include vibration stress relief and stress relief annealing, but the device structure is complex and not easy to operate, the existing technology is to place the bending pipe in a semi-circular groove to prevent the bending pipe from sliding, operate the lifting cylinder to adjust the up and down position of the pressing plate, so that the pressing plate tightly presses on the bending pipe to fix the bending pipe, and then heat the bending pipe by energizing the heating block to remove the stress of the bending pipe. However, there is still a situation where the stress relief equipment needs to be manually moved for loading, which is time-consuming and laborious and affects the working efficiency of the device. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a drawing machine for steel pipes with a stable pressing function to solve the problems raised in the above background art.

[0006] To solve the above technical problems, the technical solution adopted by the utility model is:

[0007] A drawing machine for steel pipes with a stable pressing function includes a main body of the stress relief equipment. A feeding bin is arranged at the top of the main body of the stress relief equipment. A calibration bin is fixedly installed on the side of the feeding bin. The right end of the calibration bin is fixedly connected to a heating chamber. A control box is fixedly installed on the surface of the main body of the stress relief equipment.

[0008] A telescopic frame is movably installed on the surface of the feeding bin. One end of the telescopic frame is fixedly installed with a feeding plate, and a feeding hole is opened inside the feeding plate. A fixing mechanism is arranged inside the feeding hole.

[0009] Assembly plates are movably installed at both ends of the inner cavity of the feeding bin, and a cleaning mechanism is arranged inside the assembly plates.

[0010] A further improvement of the technical solution of the present utility model lies in that: the fixing mechanism includes a sleeve pipe, one side of the sleeve pipe is movably connected with a telescopic push column, and a clamping block is fixedly installed at one end of the telescopic push column.

[0011] By adopting the above technical solution, through the mutual cooperation of the sleeve pipe, the telescopic push column and the clamping block, the function of clamping and fixing is achieved.

[0012] A further improvement of the technical solution of the present utility model lies in that: one end of the sleeve pipe is fixedly installed with a telescopic column, the other end of the telescopic column is fixedly installed with a connecting ring, a slide rail plate is fixedly installed on the outer side of the connecting ring, and a positioning hole is opened at one end of the slide rail plate.

[0013] By adopting the above technical solution, through the mutual cooperation of the connecting ring, the slide rail plate and the positioning hole, the function of limiting connection is achieved.

[0014] A further improvement of the technical solution of the present utility model lies in that: one end of the slide rail plate is movably sleeved with a positioning plate, a telescopic block is fixedly installed at the top of the inner cavity of the positioning plate, and a limiting column is fixedly installed at the bottom of the telescopic block.

[0015] By adopting the above technical solution, through the mutual cooperation of the positioning plate, the telescopic block and the limiting column, the function of telescopic feeding is achieved.

[0016] A further improvement of the technical solution of the present utility model lies in that: a sliding ring is fixedly installed on the inner side of the positioning plate, moving frames are fixedly installed on both sides of the sliding ring, and a driving column is movably installed on one side of the top of the moving frame.

[0017] By adopting the above technical solution, through the mutual cooperation of the driving column, the moving frame and the sliding ring, the function of driving and stretching is achieved.

[0018] A further improvement of the technical solution of the present utility model lies in that: the cleaning mechanism includes a fixed column, the upper and lower ends of the fixed column are fixedly installed on the inner side of the assembly plate, and a positioning shaft is fixedly installed on the outer side of the fixed column.

[0019] A further improvement of the technical solution of the present utility model lies in that: a threaded column is threadedly connected to one side of the assembly plate, and a transverse roller is arranged at one end of the inner side of the assembly plate.

[0020] With the above technical solution, through the mutual cooperation of the threaded post and the transverse roller, the function of contact friction is achieved.

[0021] Due to the adoption of the above technical solution, the technical progress achieved by the present utility model compared with the prior art is:

[0022] 1. The present utility model provides a disk drawing machine for steel pipes with a stable pressing function. During the operation, the steel pipe is inserted into the inner part of the feeding hole. Subsequently, the telescopic push post moves telescopically, and the clamping block pushes and clamps the steel pipe to achieve the function of fixed clamping. Immediately afterwards, the telescopic frame moves telescopically to drive the feeding plate to contract, thereby driving the steel pipe to move smoothly for feeding, so that the steel pipe can smoothly enter the heating chamber for subsequent heating treatment.

[0023] 2. The present utility model provides a disk drawing machine for steel pipes with a stable pressing function. Through the telescopic movement of the telescopic column, the steel pipe is displaced inward. Then, through the plug-in cooperation between the slide rail plate and the positioning plate, the telescopic block moves telescopically to push the limit post precisely into the positioning hole to achieve the function of limit fixation. Subsequently, the driving post moves telescopically through electric drive, driving the moving frame and the sliding ring to move synchronously, and then pulling the sleeve pipe and the steel pipe to move together, thereby achieving a convenient feeding function.

[0024] 3. The present utility model provides a disk drawing machine for steel pipes with a stable pressing function. The steel pipe is pushed by the feeding mechanism. During the process of passing through one side of the positioning shaft and passing through the transverse roller, the threaded posts at both ends are adjusted threadedly to push the position of the adjustment assembly plate, so that the positioning shaft closely contacts and frictions the surface of the steel pipe, thereby removing the impurities on the surface of the steel pipe and providing convenient conditions for subsequent convenient heating and stress relieving treatment. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 is a schematic structural diagram of the present utility model;

[0026] Figure 2 is a schematic structural diagram of the feeding bin of the present utility model;

[0027] Figure 3 is of the present utility model Figure 2 enlarged view at A in;

[0028] Figure 4 is a schematic structural diagram of the sleeve pipe of the present utility model;

[0029] Figure 5 is a schematic structural diagram of the positioning plate of the present utility model.

[0030] In the figure: 1. Main body of stress relieving equipment; 2. Feeding bin; 3. Calibration bin; 4. Heating chamber; 5. Control box; 20. Telescopic block; 21. Telescopic frame; 22. Feeding plate; 23. Feeding hole; 24. Sleeve pipe; 25. Telescopic push column; 26. Clamping block; 27. Threaded column; 28. Assembly plate; 281. Positioning shaft; 29. Horizontal roller; 201. Limit column; 241. Telescopic column; 242. Connecting ring; 243. Slide rail plate; 244. Positioning hole; 245. Sliding ring; 246. Positioning plate; 247. Moving frame; 248. Driving column. Detailed implementation mode

[0031] The following further describes the present utility model in detail with reference to embodiments:

[0032] As Figures 1-5 shown, the present utility model provides the following technical solutions.

[0033] Embodiment 1

[0034] The present utility model provides a drawing machine for steel pipes with a stable pressing function, including a main body 1 of stress relieving equipment. A feeding bin 2 is arranged on the top of the main body 1 of stress relieving equipment. A calibration bin 3 is fixedly installed on the side of the feeding bin 2. The right end of the calibration bin 3 is fixedly connected to a heating chamber 4. A control box 5 is fixedly installed on the surface of the main body 1 of stress relieving equipment. A telescopic frame 21 is movably installed on the surface of the feeding bin 2. One end of the telescopic frame 21 is fixedly installed with a feeding plate 22. A feeding hole 23 is opened inside the feeding plate 22. A fixing mechanism is arranged inside the feeding hole 23. The fixing mechanism includes a sleeve pipe 24. A telescopic push column 25 is movably connected inside the sleeve pipe 24. One end of the telescopic push column 25 is fixedly installed with a clamping block 26. By inserting the steel pipe into the feeding hole 23 and using the telescopic movement of the telescopic push column 25 to push and squeeze the clamping block 26 for clamping, the fixing function is achieved. Then, the telescopic frame 21 moves telescopically to drive the feeding plate 22 to contract and drive the steel pipe to move for feeding, facilitating the steel pipe to enter the heating chamber 4 for heat treatment. After heating to a certain temperature and keeping warm for a period of time, it is slowly cooled, causing plastic deformation inside the material, thereby reducing the residual stress.

[0035] Embodiment 2

[0036] On the basis of Embodiment 1, the present utility model provides a technical solution: Preferably, one end of the sleeve pipe 24 is fixedly installed with a telescopic column 241, the other end of the telescopic column 241 is fixedly installed with a connecting ring 242, the outer side of the connecting ring 242 is fixedly installed with a slide rail plate 243, one end of the slide rail plate 243 is provided with a positioning hole 244, one end of the slide rail plate 243 is movably sleeved with a positioning plate 246, the top of the inner cavity of the positioning plate 246 is fixedly installed with a telescopic block 20, the bottom of the telescopic block 20 is fixedly installed with a limiting column 201, the inner side of the positioning plate 246 is fixedly installed with a sliding ring 245, both sides of the sliding ring 245 are fixedly installed with moving frames 247, and one side of the top of the moving frame 247 is movably installed with a driving column 248. By the telescopic movement of the telescopic column 241, the steel pipe is driven to move inward, so that the slide rail plate 243 is inserted into the positioning plate 246. The telescopic block 20 is used to push the limiting column 201 to be clamped in the positioning hole 244, and then the driving column 248 is electrically telescoped to drive the moving frame 247 and the sliding ring 245 to move, thereby pulling the sleeve pipe 24 and the steel pipe to move, achieving the function of convenient feeding.

[0037] Embodiment 3

[0038] On the basis of Embodiment 1, the present utility model provides a technical solution: Preferably, both ends of the inner cavity of the feeding bin 2 are movably installed with assembly plates 28, and a cleaning mechanism is arranged inside the assembly plates 28. The cleaning mechanism includes a fixed column, the upper and lower ends of the fixed column are fixedly installed on the inner side of the assembly plate 28, a positioning shaft 281 is fixedly installed on the outer side of the fixed column, one side of the assembly plate 28 is threadedly connected with a threaded column 27, and a transverse roller 29 is arranged at one end of the inner side of the assembly plate 28. By the feeding mechanism, the steel pipe is pushed, so that the steel pipe passes through one side of the positioning shaft 281 and passes through the transverse roller 29, and cooperates with the threaded columns 27 at both ends to push the position of the assembly plate 28 by threading, so that the positioning shaft 281 contacts and frictions the steel pipe to remove impurities on the surface of the steel pipe, facilitating the convenient heating and stress relieving of the device.

[0039] Next, specifically describe the working principle of the coiling machine for steel pipes with a stable pressing function.

[0040] Such as Figures 1-5As shown in the figure, the steel pipe is inserted into the inside of the feeding hole 23, and the telescopic push column 25 is used to move telescopically to push and clamp the clamping block 26 for clamping to achieve the fixing function. Then, the telescopic frame 21 moves telescopically to drive the feeding plate 22 to contract and drive the steel pipe to move for feeding, facilitating the steel pipe to enter the heating chamber 4 for heat treatment. After heating to a certain temperature and maintaining the temperature for a period of time, it is slowly cooled to cause plastic deformation inside the material, thereby reducing the residual stress. The telescopic column 241 moves telescopically to drive the steel pipe to move inward, so that the slide rail plate 243 is inserted into the inside of the positioning plate 246. The telescopic block 20 is used to push the limit column 201 to be clamped in the positioning hole 244. Then, the driving column 248 moves telescopically by electricity to drive the moving frame 247 and the sliding ring 245 to move, thereby pulling the sleeve pipe 24 and the steel pipe to move to achieve the function of convenient feeding. Then, the feeding mechanism is used to push the steel pipe, so that the steel pipe passes through one side of the positioning shaft 281, passes through the transverse roller 29, and cooperates with the threaded columns 27 at both ends to push the position of the assembly plate 28 by threading, so that the positioning shaft 281 contacts and rubs the steel pipe to remove the impurities on the surface of the steel pipe, facilitating the device to conveniently heat and remove stress.

[0041] The above generally describes the present invention in detail. However, based on the present invention, some modifications or improvements can be made, which are obvious to those of ordinary skill in the technical field. Therefore, the modifications or improvements made without departing from the spirit of the present invention are within the protection scope of the present invention.

Claims

1. A drawing machine for steel pipes with a stable pressing function, comprising a stress-relieving equipment main body (1), characterized in that: At the top of the stress relieving equipment main body (1), a feeding bin (2) is provided. On the side of the feeding bin (2), a calibration bin (3) is fixedly installed. At the right end of the calibration bin (3), a heating chamber (4) is fixedly connected. On the surface of the stress relieving equipment main body (1), a control box (5) is fixedly installed; On the surface of the feeding bin (2), a telescopic frame (21) is movably installed. At one end of the telescopic frame (21), a feeding plate (22) is fixedly installed. Inside the feeding plate (22), a feeding hole (23) is formed. Inside the feeding hole (23), a fixing mechanism is provided; At both ends of the inner cavity of the feeding bin (2), fitting plates (28) are movably installed. Inside the fitting plates (28), a cleaning mechanism is provided.

2. The rotary drawbench for steel pipes with a stable pressing function according to claim 1, wherein: The fixing mechanism includes a sleeve pipe (24). Inside the sleeve pipe (24), a telescopic push column (25) is movably connected. At one end of the telescopic push column (25), a clamping block (26) is fixedly installed.

3. The rotary drawbench for steel pipes with a stable pressing function according to claim 2, wherein: At one end of the sleeve pipe (24), a telescopic column (241) is fixedly installed. At the other end of the telescopic column (241), a connecting ring (242) is fixedly installed. On the outer side of the connecting ring (242), a slide rail plate (243) is fixedly installed. At one end of the slide rail plate (243), a positioning hole (244) is formed.

4. The rotary drawbench for steel pipes with a stable pressing function according to claim 3, characterized in that: At one end of the slide rail plate (243), a positioning plate (246) is movably sleeved. At the top of the inner cavity of the positioning plate (246), a telescopic block (20) is fixedly installed. At the bottom of the telescopic block (20), a limiting column (201) is fixedly installed.

5. The rotary drawbench for steel pipes with a stable pressing function according to claim 4, characterized in that: On the inner side of the positioning plate (246), a sliding ring (245) is fixedly installed. On both sides of the sliding ring (245), moving frames (247) are fixedly installed. On one side of the top of the moving frame (247), a driving column (248) is movably installed.

6. The drawing bench for steel pipes with a stable pressing function according to claim 1, characterized in that: The cleaning mechanism includes a fixed column. The upper and lower ends of the fixed column are fixedly installed on the inner side of the fitting plate (28). On the outer side of the fixed column, a positioning shaft (281) is fixedly installed.

7. The rotary drawbench for steel pipes with a stable pressing function according to claim 1, characterized in that: On one side of the fitting plate (28), a threaded column (27) is threadedly connected. At one end of the inner side of the fitting plate (28), a transverse roller (29) is provided.

Images