Thin steel cold bending machine with high-stability structure

Abstract

The utility model relates to the technical field of cold bending machines, and discloses a thin steel cold bending machine with a high-stability structure, which comprises a working table, a first sliding chute is arranged at the top of the working table, a fixed block is connected in the first sliding chute in a sliding manner, one side of the fixed block is fixedly connected with a connecting rod, and the outer side of the connecting rod is connected with a lantern ring in a sliding manner; convex grooves are symmetrically formed in the two sides of the lantern ring, fixing shafts are arranged in the convex grooves, the outer sides of the fixing shafts are rotationally connected with torsion pieces, a baffle is fixedly connected to one side of the lantern ring, a fixing pin shaft is arranged at one end of the connecting rod, the baffle is arranged above the fixing pin shaft, and a lug piece is arranged on the outer side of the fixing pin shaft. According to the clamping device, the position of the lantern ring can be controlled by rotating the torsion piece on the fixing shaft, when the torsion piece is rotated to be transverse, the detachable lantern ring can move backwards so that the torsion piece can be separated from the convex groove in the lantern ring, the baffle can move, the fixing pin shaft can be detached, and the clamping assembly can be maintained; and when the torsion piece is rotated in the longitudinal direction, the torsion piece is clamped in the groove.

Description

Technical Field

[0001] The utility model relates to the technical field of cold bending machines, in particular to a thin steel cold bending machine with a highly stable structure. Background Art

[0002] Cold bending machine, also known as arch bending machine, is mainly used for bending I-beams, channel steels, angle steels, U-shaped steels and other profiles in tunnels, subways, hydropower stations, underground caverns, etc. Cold bending machine is a new type of equipment for processing and manufacturing tunnel support steel arch frames. It consists of six major parts: base, mechanical transmission, cold bending system, hydraulic system, electrical control system and auxiliary system. Cold bending machine is a mechanical equipment used to bend metal materials in a cold state. It changes the shape of metal materials by applying force and using appropriate molds without heating treatment. It plays an important role in the manufacturing industry and provides efficient, precise and reliable solutions for product shape processing.

[0003] After searching, the announcement number: CN214078635U discloses a pipe bending machine and a pipe bending mechanism, including an operating table, a front positioning cylinder is fixedly connected to the middle of the upper end surface of the operating table, a positioning piece is movably connected to the output end of the front positioning cylinder, a pipe to be bent is arranged behind the positioning piece, driving cylinders are arranged on the left and right sides of the front positioning cylinder, pulling pieces are arranged on the left and right sides of the positioning piece, the rear end surfaces of the two pulling pieces are fixedly connected with a fixing kit matching the pipe to be bent, the front end surfaces of the two pulling pieces are fixedly connected with fixing pieces, the two driving cylinders are started, and the pulling pieces pull the two ends of the pipe to be bent toward the middle front through the two fixing kits, and when the pipe to be bent is bent, the second driving motor is started to facilitate the adjustment of the distance between the two driving cylinders, so that the processing efficiency and quality of the pipe to be bent are improved, and it is convenient to process pipes with different angles.

[0004] In the above application, during the bending process, the position of the clamping piece of the rear cylinder will change with the change of the angle of the steel. When the length of the steel is short, the clamping piece will not be able to fix the steel, causing the steel to slip. In addition, the size of the clamping piece is fixed and cannot adapt to steels of different sizes. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides a thin steel cold bending machine with a highly stable structure, aiming to improve the problem that the position of the clamping piece of the rear cylinder changes with the change of the angle of the steel during the bending process. When the length of the steel is short, the clamping piece will not be able to fix the steel, causing the steel to slip, and the size of the clamping piece is fixed and cannot adapt to steels of different sizes.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a thin steel cold bending machine with a highly stable structure, comprising a workbench, a first slide groove is provided on the top of the workbench, a fixed block is slidably connected in the first slide groove, a connecting rod is fixedly connected to one side of the fixed block, a sleeve is slidably connected to the outer side of the connecting rod, convex grooves are symmetrically provided on both sides of the sleeve, a fixed shaft is provided in the convex groove, a torsion piece is rotatably connected to the outer side of the fixed shaft, a baffle is fixedly connected to one side of the sleeve, a fixing pin is provided at one end of the connecting rod, the baffle is provided above the fixing pin, an ear is provided on the outer side of the fixing pin, and a clamping assembly is provided on one side of the ear.

[0007] Preferably, the clamping assembly includes a clamping block fixedly connected to one side of the ear piece, a second threaded rod passing through and rotatably connected to the top of the clamping block, a handle fixedly connected to the top of the second threaded rod, a second slider symmetrically threadedly connected to the outer side of the second threaded rod, a clamping plate fixedly connected to one side of the second slider, a third slider symmetrically fixedly connected to one side of the clamping plate, and a guide rod passing through and slidably connected to one side of the third slider.

[0008] Preferably, a third sliding groove adapted to the second sliding block is opened on one side of the clamping block, and a second sliding groove adapted to the third sliding block is symmetrically opened on one side of the clamping block.

[0009] Preferably, a cylinder is fixedly connected to the top of the workbench, and an extrusion piece is provided at the output end of the cylinder.

[0010] Preferably, a limiting block is symmetrically fixedly connected to the bottom of the workbench, a first threaded rod penetrates and is rotatably connected to one side of the limiting block, and one end of the first threaded rod is fixedly connected to a motor.

[0011] Preferably, the outer side of the first threaded rod is symmetrically threadedly connected with a first sliding block, and the first sliding block is fixedly connected to the bottom of the fixed block.

[0012] Preferably, a connecting block is symmetrically fixedly connected to the bottom of the workbench, a supporting leg is snap-connected to the bottom of the connecting block, and one end of the supporting plate is rotatably connected to one side of the supporting leg.

[0013] Preferably, a fourth sliding groove is symmetrically provided at the bottom of the workbench, the other end of the support plate is slidably connected in the fourth sliding groove, and a screw penetrates and is threadedly connected to the other end of the support plate.

[0014] The utility model has the following beneficial effects:

[0015] 1. In the utility model, the position of the collar can be controlled by rotating the torsion piece on the fixed shaft. When the torsion piece is rotated to make it horizontal, the detachable collar can be moved backward to make the torsion piece disengage from the convex groove on the collar to move the baffle and remove the fixed pin to maintain the clamping assembly. When the torsion piece is rotated to the longitudinal direction, the torsion piece will be stuck in the groove, and the collar can be limited so that the baffle blocks the fixed pin to limit it so that the fixed pin limits the clamping assembly.

[0016] 2. In the utility model, the second threaded rod is rotated by rotating the handle to drive the second slider on the second threaded rod to move in the same direction, thereby driving the clamping plate to move to clamp the steel, and the clamping plate is guided by the guide rod to prevent the clamping plate from tilting and affecting the clamping effect.

[0017] 3. In the utility model, the workbench is supported by the connection block in cooperation with the support legs, and the height of the workbench is adjusted by adjusting the position of the support legs in the connection block through the snap connection, and a triangular structure is formed by the movable support plate and the support legs of variable height to enhance its stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the structure of a thin steel cold bending machine with a highly stable structure proposed by the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of the fourth chute of the thin steel cold bending machine with a highly stable structure proposed by the utility model;

[0020] Figure 3 for Figure 1 A in the enlarged view;

[0021] Figure 4 This is a schematic diagram of the structure of the clamping block of the thin steel cold bending machine with a highly stable structure proposed by the utility model;

[0022] Figure 5 This is a schematic diagram of the internal structure of the clamping block of the thin steel cold bending machine with a highly stable structure proposed by the utility model.

[0023] Legend:

[0024] 1. Workbench; 2. Connecting block; 3. Support leg; 4. Support plate; 5. First slide; 6. Fixed block; 7. Connecting rod; 8. Cylinder; 9. Extrusion piece; 10. Collar; 11. Convex groove; 12. Torsion piece; 13. Fixed shaft; 14. Baffle; 15. Ear; 16. Motor; 17. First threaded rod; 18. First slider; 19. Screw; 20. Clamping block; 21. Clamping plate; 22. Handle; 23. Second slide; 24. Third slide; 25. Second threaded rod; 26. Guide rod; 27. Second slider; 28. Third slider; 29. ​​Limit block; 30. Fourth slide; 31. Fixed pin. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings of the specification 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 of 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.

[0026] Reference Figure 1-Figure 3 The utility model provides an embodiment of a thin steel cold bending machine with a highly stable structure, comprising a workbench 1, a first slide groove 5 is provided on the top of the workbench 1, a fixed block 6 is slidably connected in the first slide groove 5, the fixed block 6 can move in the first slide groove 5, a connecting rod 7 is fixedly connected to one side of the fixed block 6, a collar 10 is slidably connected to the outer side of the connecting rod 7, convex grooves 11 are symmetrically provided on both sides of the collar 10, a fixed shaft 13 is provided in the convex groove 11, a torsion piece 12 is rotatably connected to the outer side of the fixed shaft 13, the torsion piece 12 cooperates with the fixed shaft 13 to limit and fix the collar 10, and when the torsion piece 12 is horizontal, the collar 10 can With the help of the convex groove 11, the collar 10 moves toward one end of the connecting rod 7. When the torsion piece 12 is longitudinal, the convex groove 11 is stuck by the torsion piece 12, so that the collar 10 is limited and fixed. A baffle 14 is fixedly connected to one side of the collar 10. A fixed pin 31 is provided at one end of the connecting rod 7. The baffle 14 is provided above the fixed pin 31. The baffle 14 blocks the fixed pin 31 to limit its position. When the collar 10 moves, the baffle 14 will also move, and the fixed pin 31 can be taken out at this time. An ear piece 15 is provided on the outer side of the fixed pin 31. The ear piece 15 can rotate in conjunction with the fixed pin 31, and a clamping component is provided on one side of the ear piece 15.

[0027] Reference Figure 4 and Figure 5The clamping assembly includes a clamping block 20 fixedly connected to one side of the ear piece 15. The ear piece 15 and the clamping assembly are an integrated structure. A second threaded rod 25 is passed through and rotatably connected to the top of the clamping block 20. The second threaded rod 25 is provided with positive and negative threads at the upper and lower ends. A handle 22 is fixedly connected to the top of the second threaded rod 25. Turning the handle 22 can drive the second threaded rod 25 to rotate. The outer side of the second threaded rod 25 is symmetrically threaded with a second slider 27. One side of the second slider 27 is fixedly connected with a clamping plate 21. The second threaded rod 25 rotates to drive the second slider 27 to move, thereby moving the clamping plate 21 to complete the clamping or release of the steel. A third slider 28 is symmetrically fixedly connected to one side of the clamping plate 21. A guide rod 26 is passed through and slidably connected to one side of the third slider 28. The guide rod 26 helps the clamping plate 21 not to tilt during the movement.

[0028] Reference Figure 4 A third slide groove 24 adapted to the second slider 27 is opened on one side of the clamping block 20, and a second slide groove 23 adapted to the third slider 28 is symmetrically opened on one side of the clamping block 20. The second slider 27 can move in the third slide groove 24, and the third slider 28 can move in the second slide groove 23.

[0029] Reference Figure 1 A cylinder 8 is fixedly connected to the top of the workbench 1, and an extrusion piece 9 is provided at the output end of the cylinder 8. The extrusion piece 9 is a detachable piece and can be replaced according to usage.

[0030] Reference Figure 1 and Figure 2 The bottom of the workbench 1 is symmetrically fixedly connected to a limit block 29, one side of the limit block 29 is penetrated and rotatably connected with a first threaded rod 17, both ends of the first threaded rod 17 are also provided with forward and reverse threads, one end of the first threaded rod 17 is fixedly connected to a motor 16, and the outer side of the first threaded rod 17 is symmetrically threaded with a first slider 18, the first slider 18 is fixedly connected to the bottom of the fixed block 6, the motor 16 drives the first threaded rod 17 to rotate, thereby driving the first slider 18 to move, and the first slider 18 drives the fixed block 6 to move, which can drive the clamping assembly to move.

[0031] Reference Figure 1 and Figure 2The bottom of the workbench 1 is symmetrically fixedly connected with a connecting block 2, and the bottom of the connecting block 2 is snap-connected with a supporting leg 3, one side of the supporting leg 3 is rotatably connected with one end of a supporting plate 4, and a fourth sliding groove 30 is symmetrically opened at the bottom of the workbench 1, and the other end of the supporting plate 4 is slidably connected in the fourth sliding groove 30, and the other end of the supporting plate 4 is penetrated and threaded with a screw 19, and the connecting block 2 cooperates with the supporting leg 3 to support the workbench 1. Due to the snap-fit ​​connection, the supporting leg 3 can change its position in the connecting block 2 to adjust the height of the workbench 1, and cooperate with the supporting plate 4 to move in the fourth sliding groove 30 and fix the supporting plate 4 with the help of the screw 19 to form a stable triangular structure, thereby enhancing the stability of the entire equipment.

[0032] Working principle: adjust the height of the workbench 1 according to on-site factors. When the support plate 4 is fixed by the screw 19, start the motor 16 to adjust the position of the first slider 18 to adjust the position of the clamping assembly. Then adjust the distance between the clamping plates 21 according to the size of the steel to be processed, turn the handle 22 to move the clamping plate 21 and clamp the steel to complete the limit, then start the cylinder 8 to drive the extrusion part 9 to bend the steel. When the steel is clamped and bent, the ear 15 on the rear side of the clamping block 20 cooperates with the fixed pin 31 to rotate to match the bending angle of the steel to prevent the steel from falling off due to insufficient clamping angle.

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

Claims

1. A thin steel cold bending machine with a highly stable structure, comprising a workbench (1), wherein a first slide groove (5) is provided on the top of the workbench (1), characterized in that: A fixing block (6) is slidably connected in the first sliding groove (5), a connecting rod (7) is fixedly connected to one side of the fixing block (6), a collar (10) is slidably connected to the outer side of the connecting rod (7), convex grooves (11) are symmetrically provided on both sides of the collar (10), a fixing shaft (13) is provided in the convex groove (11), a torsion piece (12) is rotatably connected to the outer side of the fixing shaft (13), a baffle (14) is fixedly connected to one side of the collar (10), a fixing pin (31) is provided at one end of the connecting rod (7), the baffle (14) is arranged above the fixing pin (31), an ear piece (15) is provided on the outer side of the fixing pin (31), and a clamping component is provided on one side of the ear piece (15).

2. The thin steel cold bending machine with a highly stable structure according to claim 1, characterized in that: The clamping assembly comprises a clamping block (20) fixedly connected to one side of the ear piece (15); a second threaded rod (25) is passed through and rotatably connected to the top of the clamping block (20); a handle (22) is fixedly connected to the top of the second threaded rod (25); a second slider (27) is symmetrically threadedly connected to the outer side of the second threaded rod (25); a clamping plate (21) is fixedly connected to one side of the second slider (27); a third slider (28) is symmetrically fixedly connected to one side of the clamping plate (21); and a guide rod (26) is passed through and slidably connected to one side of the third slider (28).

3. The thin steel cold bending machine with a highly stable structure according to claim 2, characterized in that: A third sliding groove (24) adapted to the second sliding block (27) is formed on one side of the clamping block (20), and a second sliding groove (23) adapted to the third sliding block (28) is symmetrically formed on one side of the clamping block (20).

4. The thin steel cold bending machine with a highly stable structure according to claim 1, characterized in that: A cylinder (8) is fixedly connected to the top of the workbench (1), and an extrusion piece (9) is provided at the output end of the cylinder (8).

5. The thin steel cold bending machine with a highly stable structure according to claim 1, characterized in that: The bottom of the workbench (1) is symmetrically fixedly connected to a limit block (29); one side of the limit block (29) is penetrated by and rotatably connected to a first threaded rod (17); one end of the first threaded rod (17) is fixedly connected to a motor (16).

6. The thin steel cold bending machine with a highly stable structure according to claim 5, characterized in that: The outer side of the first threaded rod (17) is symmetrically threadedly connected to a first sliding block (18), and the first sliding block (18) is fixedly connected to the bottom of the fixed block (6).

7. The thin steel cold bending machine with a highly stable structure according to claim 1, characterized in that: The bottom of the workbench (1) is symmetrically fixedly connected with a connecting block (2), the bottom of the connecting block (2) is snap-connected with a supporting leg (3), and one side of the supporting leg (3) is rotatably connected with one end of a supporting plate (4).

8. The thin steel cold bending machine with a highly stable structure according to claim 7, characterized in that: A fourth sliding groove (30) is symmetrically provided at the bottom of the workbench (1), and the other end of the support plate (4) is slidably connected in the fourth sliding groove (30). A screw (19) penetrates and is threadedly connected to the other end of the support plate (4).

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