Hollow steel pipe straightening machine facilitating feeding

Abstract

The utility model discloses a hollow steel pipe straightening machine facilitating feeding, and relates to the field of steel pipe straightening. The hollow steel pipe straightening machine facilitating feeding comprises a working platform, a feeding and discharging unit and a straightening unit, the feeding and discharging unit and the straightening unit are located above the working platform, the feeding and discharging unit is arranged on the two sides of the straightening unit, the working platform comprises a supporting vertical plate and a supporting transverse plate, and the supporting transverse plate is arranged at the top of the supporting vertical plate. A feeding groove is formed in the supporting transverse plate, feeding baffles are arranged on the two sides of the feeding groove, and a discharging groove is formed in the supporting transverse plate. By arranging the supporting transverse plate, the steel pipe is prevented from being bent again due to the dead weight during feeding and discharging; by arranging the feeding groove, the steel pipes can be conveniently and accurately fed and positioned; by means of the feeding baffles arranged on the two sides of the feeding groove, it can be guaranteed that the steel pipe is in the longitudinal bending state, the bent steel pipe can be effectively prevented from shaking by a large margin, and the working safety of workers is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of steel pipe straightening, in particular to a hollow steel pipe straightening machine convenient for loading. Background Technique

[0002] A straightening machine is a device for straightening metal profiles, bars, pipes, wire rods, etc. The straightening machine extrudes bars and the like through straightening rolls to change their straightness. Generally, there are two rows of straightening rolls with different numbers. There are also two-roll straightening machines that rely on the angle change of the two rolls to straighten materials with different diameters. The main types include pressure straightening machines, balanced roll straightening machines, shoe roll straightening machines, rotary reverse bending straightening machines, etc. In order to improve the utilization rate of seamless steel pipes, the straightening machine is used to straighten waste seamless steel pipes and then reuse them. At the same time, the existing straightening machine straightens the outside of the steel pipe.

[0003] For the existing steel pipe straightening machine, there is almost no device for limiting the bending steel pipe. During the loading process, the bending steel pipe is prone to large-amplitude shaking, posing a safety hazard.

[0004] Without a limiting device, it is inconvenient to load. Large-amplitude shaking during loading is likely to cause safety accidents, which cannot guarantee the safety of workers and cannot ensure whether the bending direction of the steel pipe is longitudinal or transverse, making it difficult to straighten. Content of the Utility Model

[0005] Aiming at the deficiencies of the prior art, the utility model provides a hollow steel pipe straightening machine convenient for loading, which solves the problem of inconvenient loading of existing steel pipes; solves the problem that the bending steel pipe is prone to large-amplitude shaking during loading, posing a safety hazard.

[0006] To achieve the above object, the utility model is realized through the following technical solutions: A hollow steel pipe straightening machine convenient for loading, including a working platform, a loading and unloading unit, and a straightening unit. The loading and unloading unit and the straightening unit are located above the working platform. The loading and unloading unit is arranged on both sides of the straightening unit. The working platform includes a support vertical plate and a support horizontal plate. The support horizontal plate is arranged on the top of the support vertical plate. A loading groove is arranged on the support horizontal plate. Loading baffles are arranged on both sides of the loading groove. A blanking groove is arranged on the support horizontal plate.

[0007] Preferably, the loading and unloading unit includes a power motor and a fixed vertical plate. The power motor is fixed inside the support vertical plate, below the support horizontal plate. The output end of the power motor penetrates through the fixed vertical plate and is sleeved with a transmission gear. The transmission gear is connected with a transmission roller. The output end of the motor penetrates through the transmission gear and the transmission roller and is inserted into the other fixed vertical plate.

[0008] Preferably, the drive gear is meshed and connected with a linkage gear. The linkage gear is located directly above the drive gear. The linkage gear is connected with a linkage roller. The linkage gear and the linkage roller are inserted with a side fixing shaft, and both ends of the side fixing shaft are inserted into the fixed vertical plate.

[0009] Preferably, the straightening unit includes a support frame and a lifting motor. Fixed blocks are arranged inside the support frame, and a guide rod is fixedly connected between the fixed blocks. A lower fixing part is fixedly connected inside the support frame. A plurality of lower fixing rotating shafts are inserted into the lower fixing part. The lower fixing rotating shafts are evenly horizontally distributed, and fixed straightening wheels are sleeved on the lower fixing rotating shafts.

[0010] Preferably, a screw rod is arranged at the output end of the lifting motor. A threaded sleeve is threadedly sleeved on the screw rod. A upper fixing part is fixedly connected to the bottom of the threaded sleeve. A plurality of upper fixing rotating shafts are inserted into the upper fixing part. The upper fixing rotating shafts correspond to the lower fixing rotating shafts, and lifting straightening wheels are sleeved on the upper fixing rotating shafts.

[0011] The utility model discloses a hollow steel pipe straightening machine which is convenient for loading. The beneficial effects thereof are as follows: by arranging a support cross plate, it prevents the steel pipe from being bent again due to its own weight during loading and unloading; by arranging a loading groove, it is convenient for accurate positioning of the steel pipe during loading; by arranging loading baffles on both sides of the loading groove, it can ensure that the steel pipe is in a longitudinally bent state, and can also effectively prevent the bent steel pipe from shaking greatly, ensuring the safety of workers; by arranging a loading and unloading unit, it can ensure the stable entry and exit of the steel pipe during loading and unloading under the clamping of the drive roller and the linkage roller, facilitating the straightening of the steel pipe; by arranging lifting straightening wheels, the straightening wheels rise to give sufficient space for the longitudinally bent steel pipe, facilitating loading, and the straightening wheels descend to squeeze the bent steel pipe, facilitating the straightening of the steel pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0013] Figure 1 is a schematic structural diagram of the present utility model;

[0014] Figure 2 is a schematic diagram of the internal structure of the present utility model;

[0015] Figure 3 is a side view of the present utility model.

[0016] In the figure: 1. Working platform; 11. Support vertical plate; 12. Support horizontal plate; 121. Loading chute; 122. Loading baffle; 123. Unloading chute; 2. Loading and unloading unit; 21. Power motor; 22. Driving gear; 221. Driving roller; 23. Linkage gear; 231. Linkage roller; 24. Side fixing shaft; 25. Fixed vertical plate; 3. Straightening unit; 31. Support frame; 311. Fixed block; 312. Guide rod; 32. Lifting motor; 321. Screw rod; 322. Threaded sleeve; 33. Upper fixing part; 331. Upper fixing rotating shaft; 332. Lifting straightening wheel; 34. Lower fixing part; 341. Lower fixing rotating shaft; 342. Fixed straightening wheel. Detailed implementation mode

[0017] In order to better understand the above technical solution, the above technical solution will be described in detail below in conjunction with the specification drawings and specific implementation modes.

[0018] An embodiment of the utility model discloses a hollow steel pipe straightening machine convenient for loading.

[0019] According to the attached Figures 1-3 As shown in the figure, it includes a working platform 1, a loading and unloading unit 2 and a straightening unit 3. The loading and unloading unit 2 and the straightening unit 3 are located above the working platform 1. The loading and unloading unit 2 is arranged on both sides of the straightening unit 3. The working platform 1 includes a support vertical plate 11 and a support horizontal plate 12. The support horizontal plate 12 is arranged on the top of the support vertical plate 11. A loading chute 121 is arranged on the support horizontal plate 12. Loading baffles 122 are arranged on both sides of the loading chute 121. The support horizontal plate 12 is provided with an unloading chute 123.

[0020] By setting the support horizontal plate 12, it prevents the steel pipe from bending again due to its own weight during loading and unloading; by setting the loading chute 121, it is convenient for accurate positioning of the steel pipe during loading; by setting the loading baffles 122 on both sides of the loading chute 121, it can ensure that the steel pipe is in a longitudinally bent state and can effectively prevent the bent steel pipe from shaking greatly, ensuring the safety of workers; by setting the loading and unloading unit 2, under the clamping of the driving roller 221 and the linkage roller 231, it can ensure the stable entry and exit of the steel pipe during loading and unloading, facilitating the straightening of the steel pipe; by setting the lifting straightening wheel 332, the lifting straightening wheel 332 rises to give sufficient space for the longitudinally bent steel pipe, facilitating loading, and the lifting straightening wheel 332 descends to squeeze the bent steel pipe, facilitating the straightening of the steel pipe.

[0021] Further, the loading and unloading unit 2 includes a power motor 21 and a fixed vertical plate 25. The power motor 21 is fixed inside the support vertical plate 11 and is located below the support cross plate 12. The output end of the power motor 21 penetrates through the fixed vertical plate 25 and is sleeved with a transmission gear 22. The transmission gear 22 is connected with a transmission roller 221. The output end of the motor penetrates through the transmission gear 22 and the transmission roller 221 and is inserted into the other fixed vertical plate 25.

[0022] Further, the transmission gear 22 is meshed and connected with a linkage gear 23. The linkage gear 23 is located directly above the transmission gear 22. The linkage gear 23 is connected with a linkage roller 231. The linkage gear 23 and the linkage roller 231 are inserted with a side fixed shaft 24. Both ends of the side fixed shaft 24 are inserted into the fixed vertical plate 25.

[0023] Specifically disclosed, the straightening unit 3 includes a support frame 31 and a lifting motor 32. Inside the support frame 31, there is a fixed block 311. A guide rod 312 is fixedly connected between the fixed blocks 311. Inside the support frame 31, there is a lower fixing member 34 fixedly connected. A number of lower fixing rotating shafts 341 are inserted into the lower fixing member 34. The lower fixing rotating shafts 341 are evenly horizontally distributed. The lower fixing rotating shafts 341 are sleeved with fixed straightening wheels 342.

[0024] It should be particularly emphasized that the output end of the lifting motor 32 is provided with a screw rod 321. The screw rod 321 is threadedly sleeved with a threaded sleeve 322. The bottom of the threaded sleeve 322 is fixedly connected with an upper fixing member 33. A number of upper fixing rotating shafts 331 are inserted into the upper fixing member 33. The upper fixing rotating shafts 331 correspond to the lower fixing rotating shafts 341. The upper fixing rotating shafts 331 are sleeved with lifting straightening wheels 332.

[0025] Working principle: First, raise the lifting straightening wheel 332. Drive the screw rod 321 through the lifting motor 32. The screw rod 321 drives the threaded sleeve 322 to rise. The threaded sleeve 322 drives the upper fixing part 33 to rise. The upper fixing part 33 drives the upper fixing rotating shaft 331 to make the lifting straightening wheel 332 rise. Then start the power motor 21. The power motor 21 drives the transmission gear 22 and the transmission roller 221. The transmission gear 22 drives the linkage gear 23. The linkage gear 23 drives the linkage roller 231. The transmission roller 221 and the linkage roller 231 rotate in opposite directions. After that, place the steel pipe to be straightened with a longitudinal bend between the feeding baffles 122, make it fall into the feeding trough 121, lift the tail end of the steel pipe and push the steel pipe so that the front end of the steel pipe is clamped by the transmission roller 221 and the linkage roller 231. After the front end of the steel pipe is clamped by the transmission roller 221 and the linkage roller 231, you can let go. The steel pipe smoothly and evenly enters the inside of the straightening machine under the clamping of the transmission roller 221 and the linkage roller 231. At this time, control the lifting straightening wheel 332 to fall, so that the lifting straightening wheel 332 and the fixed straightening wheel 342 clamp the steel pipe for straightening.

[0026] The above shows and describes the basic principle, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims

1. A straightening machine for hollow steel pipes that facilitates loading, comprising a working platform (1), a loading and unloading unit (2), and a straightening unit (3). The loading and unloading unit (2) and the straightening unit (3) are located above the working platform (1), and the loading and unloading unit (2) is arranged on both sides of the straightening unit (3), characterized in that, The working platform (1) includes a supporting vertical plate (11) and a supporting horizontal plate (12). The supporting horizontal plate (12) is arranged on the top of the supporting vertical plate (11). A feeding groove (121) is arranged on the supporting horizontal plate (12). Feeding baffles (122) are arranged on both sides of the feeding groove (121). A discharging groove (123) is arranged on the supporting horizontal plate (12).

2. The straightening machine for hollow steel pipes facilitating loading according to claim 1, characterized in that, The loading and unloading unit (2) includes a power motor (21) and a fixed vertical plate (25). The power motor (21) is fixed inside the supporting vertical plate (11) and is located below the supporting horizontal plate (12). The output end of the power motor (21) penetrates through the fixed vertical plate (25) and is sleeved with a transmission gear (22). The transmission gear (22) is connected with a transmission roller (221). The output end of the motor penetrates through the transmission gear (22) and the transmission roller (221) and is inserted into the other fixed vertical plate (25).

3. The straightening machine for hollow steel pipes facilitating feeding according to claim 2, characterized in that, The transmission gear (22) is meshed with a linkage gear (23). The linkage gear (23) is located directly above the transmission gear (22). The linkage gear (23) is connected with a linkage roller (231). A side fixed shaft (24) is inserted through the linkage gear (23) and the linkage roller (231). Both ends of the side fixed shaft (24) are inserted into the fixed vertical plate (25).

4. A hollow steel pipe straightening machine convenient for feeding, characterized in that The straightening unit (3) includes a support frame (31) and a lifting motor (32). Fixed blocks (311) are arranged inside the support frame (31). Guide rods (312) are fixedly connected between the fixed blocks (311). A lower fixing member (34) is fixedly connected inside the support frame (31). A number of lower fixed rotating shafts (341) are inserted into the lower fixing member (34). The lower fixed rotating shafts (341) are evenly horizontally distributed. Fixed straightening wheels (342) are sleeved on the lower fixed rotating shafts (341).

5. A straightening machine for hollow steel pipes that is convenient for loading, characterized in that, A screw rod (321) is arranged at the output end of the lifting motor (32). A threaded sleeve (322) is threadedly sleeved on the screw rod (321). An upper fixing member (33) is fixedly connected to the bottom of the threaded sleeve (322). A number of upper fixed rotating shafts (331) are inserted into the upper fixing member (33). The upper fixed rotating shafts (331) correspond to the lower fixed rotating shafts (341). Lifting straightening wheels (332) are sleeved on the upper fixed rotating shafts (331).

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