Straightening machine with clamping structure

Abstract

The straightening machine with the clamping structure comprises a workbench, two jaws and the clamping structure, the upper end of the workbench is fixedly connected with a fixing block, the side wall of the upper end of the fixing block is fixedly connected with the side wall of the lower end of one jaw, one end of each jaw is rotationally connected with an inclined rod, and the other end of each jaw is rotationally connected with the clamping structure. The two inclined rods are rotationally connected with the same first vertical rod, a transverse inner threaded hole is formed in the middle of the first vertical rod, one ends of the two jaws are rotationally connected with second vertical rods, one ends of the two second vertical rods are rotationally connected with the same cross rod, one end of the cross rod is fixedly connected with a lead screw, and the lead screw is in threaded connection with the inner threaded hole. The vertical displacement of the hollow pipe fitting is limited through the two extrusion plates, the two jaws are close to each other by rotating the third vertical rod, the arc-shaped plates on the inner sides of the two jaws make close contact with the side wall of the hollow pipe fitting, and it is guaranteed that the clamp is close to the horizontal state when clamping the hollow pipe fitting; the end face of the hollow pipe can be clamped and rotated through the clamping structure.

Description

Technical Field

[0001] The utility model relates to the technical field of straightening machines, in particular to a straightening machine with a clamping structure. Background Art

[0002] At present, many countries have adopted automatic straightening equipment technology to replace manual straightening equipment technology, and the straightening equipment technology for hollow pipes is particularly complex. In order to achieve the clamping work and rotation measurement of hollow pipes before straightening, the clamping device of the straightening machine needs to be able to move in multiple directions, and there are certain requirements for the accuracy of the movement displacement.

[0003] In the prior art, it is difficult for the clamping device of a general straightening machine to fully clamp the moving hollow pipe fittings, and it is impossible to achieve floating adjustment of the hollow pipe fittings in the vertical direction to make them close to a horizontal state, which affects the straightening process and increases the error. The applicant has designed a hollow pipe fitting clamping structure, publication number: CN215657156U, which has the defect that the pipe fittings cannot be rotated. In view of this, the applicant specially applied for this invention. Utility Model Content

[0004] The purpose of the utility model is to solve the problem that the clamping device of the straightening machine in the prior art is difficult to completely clamp the moving hollow pipe, and cannot realize the floating adjustment of the hollow pipe in the vertical direction to make it close to the horizontal state, which affects the straightening process and increases the error. A straightening machine with a clamping structure is proposed.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] 7. The swiftly and minutely adjusting device for a wood-planer working table as claimed in claim 1, wherein said linking rod and said adjusting base are pivotally connected to each other with a bolt, and said bolt has a round shank to contact with said linking rod. said linking rod has a round shank to contact with said linking rod.

[0007] Preferably, the two jaws are fixedly connected to arc-shaped plates relative to the inner wall, and the two arc-shaped plates are made of rubber.

[0008] Preferably, the screw rod is fixedly connected to the third vertical rod away from the end of the cross rod, and the side wall of the third vertical rod is provided with an anti-slip layer.

[0009] Preferably, the upper ends of the workbench are fixedly connected to the mounting blocks, the upper ends of the two mounting blocks are fixedly connected to the same mounting bracket, the upper and lower ends of the mounting bracket are provided with through holes, the through holes of the mounting bracket are slidably connected to the vertical shafts, the outer ends of the two vertical shafts are fixedly connected to the baffles, the inner sides of the two vertical shafts are fixedly connected to the extrusion plates, and the inner sides of the two extrusion plates are rotatably connected to the rotating wheels.

[0010] Preferably, through holes are provided in the middle of both side walls of the mounting frame, and the through holes provided in the mounting frame are used in conjunction with the arc-shaped plates.

[0011] Preferably, the inner sides of the upper and lower ends of the mounting frame are fixedly connected to coil springs, the two coil springs are sleeved on the vertical axis, and the lower ends of the two coil springs are fixedly connected to the side walls of the extrusion plate.

[0012] Preferably, a lifting column is arranged on the bottom plate, and the lifting column is located below the driving cylinder.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The utility model uses two extrusion plates to limit the vertical displacement of the hollow pipe fitting, and uses the third vertical rod to rotate to make the two jaws close to each other, so that the inner arc plates of the two jaws are in close contact with the side wall of the hollow pipe fitting, ensuring that the fixture is close to the horizontal state when clamping the hollow pipe fitting;

[0015] 2. The utility model is connected to the side wall of the extrusion plate through two spiral springs, and rotating wheels are arranged on the inner sides of the two extrusion plates. In this way, hollow pipes with different diameters can be clamped well, and the operation is simple and the application range is wider.

[0016] 3. The clamping structure is designed, and the height of the collet chuck can be adjusted through the rocker shaft. At the same time, the collet chuck can clamp the end face of the hollow tube and realize rotation. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 Schematic diagram of the structure of the utility model.

[0018] Figure 2 Schematic diagram of the jaw connection structure.

[0019] Figure 3 It is a schematic diagram of the clamping structure.

[0020] In the figure: 1 workbench, 2 jaws, 3 fixed block, 4 inclined rod, 5 first vertical rod, 6 internal threaded hole, 7 second vertical rod, 8 cross rod, 9 screw rod, 10 arc plate, 11 third vertical rod, 12 mounting block, 13 mounting frame, 14 vertical shaft, 15 extrusion plate, 16 rotating wheel, 17 coil spring, 18 baffle, 19 bottom plate, 20 column, 21 lifting column, 22 rocker arm, 23 driving cylinder, 24 chuck, 25 chuck claw. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] Reference Figure 1-3 A straightening machine with a clamping structure comprises a workbench 1 and two jaws 2. The upper end of the workbench 1 is fixedly connected to a fixed block 3. The upper side wall of the fixed block 3 is fixedly connected to the lower side wall of one of the jaws 2. One ends of the two jaws 2 are rotatably connected to an inclined rod 4. The two inclined rods 4 are rotatably connected to the same first vertical rod 5. A transverse internal threaded hole 6 is provided in the middle of the first vertical rod 5. One ends of the two jaws 2 are rotatably connected to a second vertical rod 7. One ends of the two second vertical rods 7 are rotatably connected to the same cross rod 8. One end of the cross rod 8 is fixedly connected to a screw rod 9, and the screw rod 9 is threadedly connected to the internal threaded hole 6. By rotating the third vertical rod 11, the two jaws 2 are moved closer to each other, and the inner arc plates 10 of the two jaws 2 are in close contact with the side walls of the hollow pipe fittings, ensuring that the clamp is close to a horizontal state when clamping the hollow pipe fittings. The clamping structure is arranged on the outside of the fixed block, and the clamping structure includes a base plate 19 arranged on the workbench, a column 20 is arranged on the base plate, a rocker arm is arranged on the upper end of the column, one end of the rocker arm 22 is rotatably connected to the column through a rocker arm shaft, and the other end of the rocker arm is connected to a driving cylinder 23, and the output end of the driving cylinder is connected to a chuck 24, on which three chuck claws 25 are arranged, and the clamping surface of the chuck chuck is opposite to the jaws.

[0023] The two jaws 2 are fixedly connected to the inner wall with an arc plate 10, and the two arc plates 10 are made of rubber. When clamping the side wall of the hollow pipe, the arc plate 10 made of rubber is used to reduce scratches on the hollow pipe.

[0024] The end of the screw rod away from the cross bar 8 is fixedly connected to the third vertical rod 11, and the side wall of the third vertical rod 11 is provided with an anti-skid layer. The third vertical rod 11 is used to facilitate the rotation of the screw rod 9, and the anti-skid layer is provided to increase the installation performance during use.

[0025] The upper end of the workbench 1 is fixedly connected to the mounting block 12, and the upper ends of the two mounting blocks 12 are fixedly connected to the same mounting frame 13. The upper and lower ends of the mounting frame 13 are provided with through holes, and the through holes of the mounting frame 13 are slidably connected to the vertical shaft 14. The two vertical shafts 14 are fixedly connected to the baffle 18 at the relative outer ends, and the two vertical shafts 14 are fixedly connected to the extrusion plate 15 at the relative inner sides, and the two extrusion plates are rotatably connected to the rotating wheel 16 at the relative inner sides. In this way, the hollow pipes with different diameters can be clamped well, which has simple operation and a wider range of applications.

[0026] Through holes are provided in the middle of both side walls of the mounting frame 13 , and the through holes provided in the mounting frame 13 are used in conjunction with the arc-shaped plate 10 , so as to facilitate the hollow pipe fittings to pass through the mounting frame 13 .

[0027] The inner sides of the upper and lower ends of the mounting frame 13 are fixedly connected to the coil springs 17, and the two coil springs 17 are sleeved on the vertical shaft 14. The lower ends of the two coil springs 17 are fixedly connected to the side walls of the extrusion plate. The two coil springs 17 are connected to the side walls of the extrusion plate, and the two extrusion plates are provided with a rotating wheel 16 on the inner sides thereof, so that the hollow pipes with different diameters can be clamped well, which is simple to operate and has a wider range of applications.

[0028] A lifting column 21 is arranged on the bottom plate, and the lifting column is located below the driving cylinder. The height of the lifting column is adjustable, and the lifting column can be used to resist the driving cylinder.

[0029] The utility model allows a hollow pipe fitting to enter from one end of a mounting frame 13, and one end of the hollow pipe fitting pushes against the side wall of the extrusion plate. Under the action of the hollow pipe fitting, the two extrusion plates move toward the two ends of the mounting frame 13, and the two extrusion plates compress the spiral springs 17. Under the reaction force of the compressed spiral springs 17, the two extrusion plates make the rotating wheels 16 on the two pressing plates closely contact with the side walls of the hollow pipe fitting, thereby limiting the vertical displacement of the hollow pipe fitting, and rotating the third vertical rod 11. The third vertical rod 11 drives the screw rod 9 to rotate, and the screw rod 9 threads drive the first vertical rod 5 to move toward the hollow pipe fitting, and the screw rod 9 pulls the cross rod 8, and the cross rod 8 simultaneously pulls the first vertical rod 5, so that the two jaws 2 will move closer to the middle, and the arc-shaped plate 10 on the inner side of the jaws 2 will clamp the hollow pipe fitting. At the same time, a clamping structure is designed to be located on the outside of the fixed block, and the clamping structure is arranged on the outside of the fixed block, so that the end of the hollow pipe fitting can be clamped by the chuck.

[0030] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A straightening machine with a clamping structure, comprising a workbench (1), two jaws (2) and a clamping structure, characterized in that: The upper end of the workbench (1) is fixedly connected to a fixed block (3), the upper side wall of the fixed block (3) is fixedly connected to the lower side wall of one of the jaws (2), one end of the two jaws (2) are rotatably connected to an inclined rod (4), the two inclined rods (4) are rotatably connected to the same first vertical rod (5), a transverse internal threaded hole (6) is provided in the middle of the first vertical rod (5), one end of the two jaws (2) are rotatably connected to a second vertical rod (7), one end of the two second vertical rods (7) are rotatably connected to the same cross rod (8), the cross rod (8) is One end of the rod (8) is fixedly connected to a screw rod (9), and the screw rod (9) is threadedly connected to the internal threaded hole (6). The clamping structure is arranged on the outside of the fixed block. The clamping structure includes a base plate (19) arranged on the workbench, a column (20) is arranged on the base plate, and a rocker arm is arranged on the upper end of the column. One end of the rocker arm (22) is rotatably connected to the column through a rocker arm shaft, and the other end of the rocker arm is connected to a driving cylinder (23). The output end of the driving cylinder is connected to a chuck, and the clamping surface of the chuck is opposite to the jaws.

2. A straightening machine with a clamping structure according to claim 1, characterized in that: The two jaws (2) are fixedly connected to the arc-shaped plates (10) relative to the inner wall, and the two arc-shaped plates (10) are made of rubber.

3. A straightening machine with a clamping structure according to claim 1, characterized in that: The end of the screw rod away from the cross rod (8) is fixedly connected to the third vertical rod (11), and the side wall of the third vertical rod (11) is provided with an anti-slip layer.

4. A straightening machine with a clamping structure according to claim 1, characterized in that: The upper ends of the workbench (1) are fixedly connected to the mounting blocks (12), the upper ends of the two mounting blocks (12) are fixedly connected to the same mounting frame (13), the upper and lower ends of the mounting frame (13) are provided with through holes, the through holes of the mounting frame (13) are slidably connected to the vertical shaft (14), the two vertical shafts (14) are fixedly connected to the baffle plate (18) at the relative outer ends, the two vertical shafts (14) are fixedly connected to the extrusion plate (15) at the relative inner sides, and the two extrusion plates are rotatably connected to the rotating wheel (16) at the relative inner sides.

5. A straightening machine with a clamping structure according to claim 4, characterized in that: Through holes are provided in the middle of both side walls of the mounting frame (13), and the through holes provided in the mounting frame (13) are used in conjunction with the arc-shaped plate (10).

6. A straightening machine with a clamping structure according to claim 4, characterized in that: The inner sides of the upper and lower ends of the mounting frame (13) are fixedly connected to coil springs (17), the two coil springs (17) are sleeved on the vertical shaft (14), and the lower ends of the two coil springs (17) are fixedly connected to the side wall of the extrusion plate.

7. A straightening machine with a clamping structure according to claim 4, characterized in that: A lifting column is arranged on the bottom plate, and the lifting column is located below the driving cylinder.

Images