Steel structure bending device

Abstract

The utility model discloses a steel structure bending device, which relates to the field of steel structure bending, and comprises a base, a clamping mechanism, a fixed shaft, a U-shaped seat, a hollow shaft and a positioning pin, the bottom end of the fixed shaft is fixedly arranged on the top of the base, N fixed discs and N pressure discs are sleeved on the fixed shaft, the pressure discs are positioned above the fixed discs, and the U-shaped seat is arranged on the U-shaped seat. A gap for placing a square tube is formed between the pressure plate and the fixed plate; the two front ends of the U-shaped base are respectively provided with a bearing in a sleeved mode, the two bearings are respectively arranged at the upper end and the lower end of the fixing shaft in a sleeved mode, a plurality of inserting holes are formed in the top of the U-shaped base, the hollow shaft is arranged in the U-shaped base, and the positioning pins are inserted into the hollow shaft through the inserting holes. According to the square tube bending device, a plurality of square tubes can be supported and limited respectively, the stability of the square tubes in the bending process is ensured, the operation risk is reduced, the plurality of square tubes are bent at the same time by operating the U-shaped seat along with rotation of the fixing ring and the pressing ring, and the bending efficiency is improved.

Description

Technical Field

[0001] This utility model belongs to the field of steel structure bending, and specifically relates to a steel structure bending device. Background Technology

[0002] Steel structure buildings refer to building structures that primarily use steel. Steel is the core material of steel structures, including steel plates of various specifications, shaped steel (such as angle steel, channel steel, I-beams, H-beams, etc.), steel pipes, square pipes, round steel, flat steel, etc.

[0003] In the steel structure fabrication process, bending devices are needed to bend square tubes and steel pipes. However, existing bending devices can only bend one square tube at a time, resulting in low bending efficiency.

[0004] Therefore, corresponding improvements should be made to address the shortcomings of existing bending devices. Utility Model Content

[0005] To address the problem that existing bending devices can only bend one square tube at a time, resulting in low bending efficiency, this utility model provides a steel structure bending device.

[0006] The solution adopted by this utility model to solve its technical problem is: a steel structure bending device, including a base, a clamping mechanism, a fixed shaft, a U-shaped seat, a hollow shaft and a positioning pin. The bottom end of the fixed shaft is fixedly installed on the top of the base, and N fixed plates and N pressure plates are sleeved on it. The pressure plates are located above the fixed plates, and there is a gap between the pressure plates and the fixed plates for placing square tubes.

[0007] Bearings are fitted at both ends of the U-shaped seat. The two bearings are fitted at the upper and lower ends of the fixed shaft. Multiple insertion holes are opened at the top of the U-shaped seat. The hollow shaft is placed inside the U-shaped seat, and the positioning pin is inserted into the hollow shaft through the insertion hole.

[0008] N fixing rings and N pressure rings are fitted on the hollow shaft. The fixing rings are on the same plane as the fixing plate, and the pressure rings are on the same plane as the pressure plate.

[0009] The clamping mechanism includes a fixed clamping plate, a movable clamping plate, and two sets of connecting parts. The fixed clamping plate is fixedly installed on the top of the base, and the movable clamping plate is located on the front side of the fixed clamping plate. The movable clamping plate and the fixed clamping plate are connected by connecting parts to fix multiple square tubes.

[0010] Preferably, a handle is fixedly installed on the rear side of the U-shaped seat.

[0011] Preferably, the fixed shaft has N external threads, and a nut is installed inside the pressure plate, with the nut threadedly connected to the external threads.

[0012] Preferably, the hollow shaft has N external threads, and a nut is installed inside the pressure ring, with the nut threadedly connected to the external threads.

[0013] Preferably, the upper and lower ends of the movable clamping plate are respectively provided with circular holes.

[0014] Preferably, the connector is a threaded rod, one end of which is fixedly connected to the fixed clamping plate, and a fastening nut is threaded onto it.

[0015] Compared with the prior art, the beneficial effects of this utility model are:

[0016] 1. This utility model, by setting multiple fixed plates, pressure plates, fixed rings and pressure rings, can support and limit multiple square tubes respectively, ensuring the stability of the square tubes during the bending process and reducing operational risks. By operating the U-shaped seat, multiple square tubes can be bent simultaneously as the fixed rings and pressure rings rotate, improving bending efficiency.

[0017] 2. This utility model adjusts the distance between the hollow shaft and the fixed shaft by pulling out the positioning pin, and adjusts the height of the pressure plate and the pressure ring by rotating them one by one, so as to support and limit square tubes of different sizes, and to bend square tubes of different sizes, thereby improving the applicability of the device. Attached Figure Description

[0018] Figure 1 This is one of the three-dimensional structural schematic diagrams of this utility model;

[0019] Figure 2 This is the second three-dimensional structural schematic diagram of the present utility model.

[0020] In the diagram: 1. Base, 21. Fixed clamping plate, 22. Moving clamping plate, 23. Threaded rod, 24. Fastening nut, 31. Fixed shaft, 32. Fixed disc, 33. Pressure plate, 34. Nut 1, 41. U-shaped seat, 42. Positioning pin, 43. Insertion hole, 44. Hollow shaft, 45. Fixed ring, 46. Pressure ring, 47. Nut 2, 5. Handle. Detailed Implementation

[0021] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0022] Please see Figure 1-2 This utility model provides a technical solution for a steel structure bending device:

[0023] Example 1:

[0024] according to Figure 1 and Figure 2As shown, the device includes a base 1, a clamping mechanism, a fixed shaft 31, a U-shaped seat 41, a hollow shaft 44, and a positioning pin 42. The bottom end of the fixed shaft 31 is fixedly installed on the top of the base 1, and N fixed plates 32 and N pressure plates 33 are sleeved on it. The pressure plates 33 are located above the fixed plates 32. The fixed shaft 31 has N external threads. Nuts 34 are installed inside the pressure plates 33 and are threadedly connected to the external threads. There is a gap between the pressure plates 33 and the fixed plates 32 for placing square tubes. By rotating the pressure plates 33, the gap between the pressure plates 33 and the fixed plates 32 can be adjusted to facilitate the placement of square tubes of different sizes.

[0025] A handle 5 is fixedly installed on the rear side of the U-shaped seat 41. Bearings are respectively installed on the two front ends of the U-shaped seat 41. The two bearings are respectively installed on the upper and lower ends of the fixed shaft 31. Under the action of the two bearings, the U-shaped seat 41 can rotate stably. Multiple insertion holes 43 are opened on the top of the U-shaped seat 41. The hollow shaft 44 is set in the U-shaped seat 41. The positioning pin 42 is inserted into the hollow shaft 44 through the insertion hole 43 to position the hollow shaft 44 and ensure the stability of the hollow shaft 44 during use.

[0026] N fixing rings 45 and N pressure rings 46 are fitted on the hollow shaft 44. N external threads are opened on the hollow shaft 44. Nuts 47 are installed inside the pressure rings 46 and are threadedly connected to the external threads. By rotating the pressure rings 46, the distance between the pressure rings 46 and the fixing rings 45 can be adjusted to facilitate the placement of square tubes of different sizes. The fixing rings 45 and the fixing plate 32 are on the same plane, and the pressure rings 46 and the pressure plate 33 are on the same plane. The same set of fixing plate 32, pressure plate 33, fixing rings 45 and pressure rings 46 supports and limits a square tube, ensuring the stability of the square tube during the bending process and reducing operational risks.

[0027] The clamping mechanism includes a fixed clamping plate 21, a movable clamping plate 22, and two sets of connecting parts. The fixed clamping plate 21 is fixedly installed on the top of the base 1. The movable clamping plate 22 is located on the front side of the fixed clamping plate 21. The upper and lower ends of the movable clamping plate 22 are respectively provided with round holes. The connecting part is a threaded rod 23. One end of the threaded rod 23 is fixedly connected to the fixed clamping plate 21, and a fastening nut 24 is threaded onto it. The fastening nut 24 contacts the movable clamping plate 22, fixing multiple square tubes between the movable clamping plate 22 and the fixed clamping plate 21.

[0028] In practical use, the steel structure bending device of this utility model first determines the size of the square tube, then pulls out the positioning pin 42 to adjust the distance between the hollow shaft 44 and the fixed shaft 31. After the adjustment is completed, the positioning pin 42 is inserted into the hollow shaft 44 through the insertion hole 43 to position the hollow shaft 44. Then, the pressure plate 33 and the pressure ring 46 are rotated one by one to adjust the height of the pressure plate 33 and the pressure ring 46.

[0029] After all the pressure plates 33 and pressure rings 46 have been adjusted, insert the square tube between the same set of fixed plates 32, pressure plates 33, fixed rings 45 and pressure rings 46.

[0030] After placing the multiple square tubes one by one, tighten the fastening nut 24 so that the fastening nut 24 contacts the moving clamp 22, and fix the multiple square tubes between the moving clamp 22 and the fixed clamp 21.

[0031] Finally, the handle 5 controls the rotation of the U-shaped seat 41. As the fixing ring 45 and the pressure ring 46 rotate, multiple square tubes are bent simultaneously.

Claims

1. A steel structure bending device, comprising a base, a clamping mechanism, a fixed shaft, a U-shaped seat, a hollow shaft and a positioning pin, characterized in that: The bottom end of the fixed shaft is fixedly installed on the top of the base, N fixed discs and N pressing discs are sleeved on the fixed shaft, the pressing discs are above the fixed discs, and gaps for placing square tubes are formed between the pressing discs and the fixed discs; Two bearings are sleeved on the two front ends of the U-shaped seat respectively, the two bearings are sleeved on the upper and lower ends of the fixed shaft respectively, a plurality of insertion holes are formed in the top of the U-shaped seat, the hollow shaft is arranged in the U-shaped seat, and the positioning pins are inserted into the hollow shaft from the insertion holes; N fixed rings and N pressing rings are sleeved on the hollow shaft, the fixed rings are in the same plane as the fixed discs, and the pressing rings are in the same plane as the pressing discs; The clamping mechanism comprises a fixed clamping plate, a movable clamping plate and two groups of connecting members, the fixed clamping plate is fixedly installed on the top of the base, the movable clamping plate is arranged on the front side of the fixed clamping plate, the movable clamping plate and the fixed clamping plate are connected through the connecting members, and a plurality of square tubes are fixed.

2. The steel structure bending apparatus according to claim 1, characterized in that: A handle is fixedly installed on the rear side of the U-shaped seat.

3. The steel structure bending apparatus according to claim 1, wherein: N outer threads one are formed on the fixed shaft, nuts one are installed in the pressing discs, and the nuts one are in threaded connection with the outer threads one.

4. The steel structure bending apparatus according to claim 3, wherein: N outer threads two are formed on the hollow shaft, nuts two are installed in the pressing rings, and the nuts two are in threaded connection with the outer threads two.

5. The steel structure bending apparatus according to claim 1, wherein: Round holes are formed in the upper end and the lower end of the movable clamping plate.

6. The steel structure bending apparatus according to claim 5, wherein: The connecting members are threaded rods, one end of the threaded rod is fixedly connected with the fixed clamping plate, and a fastening nut is in threaded connection with the threaded rod.

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