Stainless steel pipe bending machine

Abstract

The utility model discloses a stainless steel pipe bending machine which comprises a pipe bending machine body, a connecting block is fixedly connected to the pipe bending machine body, first connecting rods are rotationally connected to the two sides of the connecting block respectively, the outer surfaces of the two first connecting rods are fixedly connected with the same overturning block, and a bearing plate is fixedly connected to the lower surface of the overturning block. The pipe bending device comprises a pipe bending machine, two L-shaped blocks are fixedly connected to the pipe bending machine, limiting rods are fixedly connected to the inner surfaces of the two L-shaped blocks, T-shaped blocks are slidably connected to the outer surfaces of the two limiting rods, and sliding blocks are fixedly connected to the side surfaces of the two T-shaped blocks. Through the bearing plate, when a long steel pipe needs to be bent, after the bearing plate and a workbench of the pipe bending machine are located at the same horizontal height and are fixed, the steel pipe is placed on the pipe bending machine and the bearing plate to be bent, and therefore the steel pipe can be supported at the suspended position, and the stability of the steel pipe in the bending process is improved; and the shaking condition of the steel pipe is reduced.

Description

Technical Field

[0001] The utility model relates to the field of pipe bending machines, in particular to a stainless steel pipe bending machine. Background Art

[0002] A pipe bender refers to a machine used for bending pipes, which can be roughly divided into CNC pipe bender, hydraulic pipe bender, etc. It is mainly used for laying and repairing pipes in power construction, road and railway construction, boilers, bridges, ships, furniture, decoration, etc.

[0003] In the prior art, when a pipe bender is used to bend a long steel pipe, one end of the steel pipe is easily left in a suspended state. Although there is a fixed structure on the workbench of the polishing machine, the suspended position of the steel pipe usually does not have a good supporting structure, which can easily affect the stability of the steel pipe during bending and cause the steel pipe to shake, thereby affecting the effect of the steel pipe after bending. Therefore, a stainless steel pipe bender is needed. Utility Model Content

[0004] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art, and to provide a stainless steel pipe bending machine. When a longer steel pipe needs to be bent, the bearing plate and the working table of the pipe bending machine are at the same horizontal height and fixed, and then the steel pipe is placed on the pipe bending machine and the bearing plate for bending, so that the steel pipe can be supported in a suspended position, the stability of the steel pipe during bending is improved, and the shaking of the steel pipe is reduced. After the steel pipe is placed on the bearing plate through the rotating block and the positioning plate, the rotating block is rotated to make the positioning plate contact with the steel pipe, so that the steel pipe can be restricted, thereby further improving the stability of the steel pipe on the bearing plate.

[0005] The utility model also provides a stainless steel pipe bending machine as mentioned above, including a pipe bending machine, wherein a connecting block is fixedly connected to the pipe bending machine, both sides of the connecting block are rotatably connected to a first connecting rod, the outer surfaces of the two first connecting rods are fixedly connected to the same flip block, and the lower surface of the flip block is fixedly connected to a bearing plate.

[0006] Two L-shaped blocks are fixedly connected to the pipe bending machine, the inner surfaces of the two L-shaped blocks are fixedly connected to the limit rods, the outer surfaces of the two limit rods are slidably connected to the T-shaped blocks, the side surfaces of the two T-shaped blocks are fixedly connected to the sliders, the inner surfaces of the two sliders are rotatably connected to the second connecting rods, the two ends of the two second connecting rods are fixedly connected to the first flip rod and the second flip rod, the corresponding first flip rod and the second flip rod are fixedly connected to the same fixed rod on the side close to each other, the side surfaces of the two first connecting rods are fixedly connected to the positioning blocks, the two positioning blocks are provided with positioning grooves, and the outer surfaces of the two fixing rods are movably connected to the two positioning grooves respectively.

[0007] The inner surface of the bearing plate is rotatably connected with a screw rod, the front end of the screw rod is fixedly connected with a rotating block, the outer surface of the screw rod is threadedly connected with two limit blocks, and the side surfaces of the two limit blocks are fixedly connected with positioning plates.

[0008] According to the stainless steel pipe bending machine, a T-slot is provided on the L-shaped block, and the inner surface of the T-slot is fixedly connected to the limit rod. Under the action of the T-slot and the limit rod, the slider can only move in the horizontal direction.

[0009] According to the stainless steel pipe bending machine, a spring is slidably sleeved on the outer surface of the limit rod, one end of the spring is fixedly connected to the upper surface of the T-block, and the end of the spring away from the T-block is fixedly connected to the top inner wall of the T-slot. Under the action of the spring, the stability of the fixing rod in the positioning slot is improved.

[0010] According to the stainless steel pipe bending machine, a torsion spring is fixedly sleeved on the outer surface of the second connecting rod, one end of the torsion spring is fixedly connected to the outer surface of the second connecting rod, and the other end of the torsion spring is fixedly connected to the inner surface of the slider. Under the action of the torsion spring, the first flip rod, the second flip rod and the fixed rod will not affect the rotation of the positioning block.

[0011] According to the stainless steel pipe bending machine, a limiting groove is provided on the bearing plate, and the outer surface of the screw rod is rotatably connected to the limiting groove.

[0012] According to the stainless steel pipe bending machine, the outer surface of the T-block is slidably connected to the T-slot, and the outer surface of the limit block is slidably connected to the limit slot.

[0013] According to the stainless steel pipe bending machine, the outer surface of the first connecting rod is rotatably connected to the L-shaped block, and the number of the springs is two and they are distributed front and back.

[0014] According to the stainless steel pipe bending machine, the screw rod passes through the limit block, and the number of the torsion springs is two and they are distributed front and back.

[0015] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0017] Figure 1 This is the overall structure diagram of a stainless steel pipe bending machine of the utility model;

[0018] Figure 2 This is a schematic structural diagram of the L-shaped block portion of a stainless steel pipe bending machine of the utility model;

[0019] Figure 3 This is a structural schematic diagram of the L-shaped block section of a stainless steel pipe bending machine of the utility model;

[0020] Figure 4 This is a structural schematic diagram of a cross-section of a slider of a stainless steel pipe bending machine of the utility model;

[0021] Figure 5 The utility model is a schematic structural diagram of a block cross-section of a stainless steel pipe bending machine.

[0022] Legend:

[0023] 1. Pipe bending machine; 2. Connecting block; 3. First connecting rod; 4. Turning block; 5. Loading plate; 6. L-shaped block; 7. Positioning block; 8. Limiting rod; 9. T-shaped block; 10. Sliding block; 11. Second connecting rod; 12. First turning rod; 13. Second turning rod; 14. Fixed rod; 15. Positioning slot; 16. T-shaped slot; 17. Spring; 18. Torsion spring; 19. Screw; 20. Rotating block; 21. Limiting block; 22. Positioning plate; 23. Limiting slot. DETAILED DESCRIPTION

[0024] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0025] Reference Figure 1-5The utility model embodiment is a stainless steel pipe bending machine, which includes a pipe bending machine 1, a connecting block 2 is fixedly connected to the pipe bending machine 1, both sides of the connecting block 2 are rotatably connected to the first connecting rods 3, the outer surfaces of the two first connecting rods 3 are fixedly connected to the same flip block 4, and the lower surface of the flip block 4 is fixedly connected to the bearing plate 5.

[0026] Two L-shaped blocks 6 are fixedly connected to the pipe bending machine 1, the inner surfaces of the two L-shaped blocks 6 are fixedly connected to the limit rods 8, the outer surfaces of the two limit rods 8 are slidably connected to the T-shaped blocks 9, the side surfaces of the two T-shaped blocks 9 are fixedly connected to the sliders 10, the inner surfaces of the two sliders 10 are rotatably connected to the second connecting rods 11, the two ends of the two second connecting rods 11 are fixedly connected to the first flip rod 12 and the second flip rod 13, the corresponding first flip rod 12 and the second flip rod 13 are fixedly connected to the same fixed rod 14 on the side close to each other, the side surfaces of the two first connecting rods 3 are fixedly connected to the positioning blocks 7, the two positioning blocks 7 are provided with positioning grooves 15, and the outer surfaces of the two fixing rods 14 are respectively movable with the two positioning grooves 15 Connection, a T-slot 16 is provided on the L-shaped block 6, the inner surface of the T-slot 16 is fixedly connected to the limit rod 8, the outer surface of the limit rod 8 is slidably sleeved with a spring 17, one end of the spring 17 is fixedly connected to the upper surface of the T-block 9, the end of the spring 17 away from the T-block 9 is fixedly connected to the top inner wall of the T-slot 16, the outer surface of the second connecting rod 11 is fixedly sleeved with a torsion spring 18, one end of the torsion spring 18 is fixedly connected to the outer surface of the second connecting rod 11, and the other end of the torsion spring 18 is fixedly connected to the inner surface of the slider 10, the outer surface of the T-block 9 is slidably connected to the T-slot 16, the outer surface of the first connecting rod 3 is rotatably connected to the L-shaped block 6, the number of springs 17 is two and distributed front and back, the number of torsion springs 18 is two and distributed front and back.

[0027] The inner surface of the supporting plate 5 is rotatably connected with a screw rod 19, the front end of the screw rod 19 is fixedly connected with a rotating block 20, the outer surface of the screw rod 19 is threadedly connected with two limit blocks 21, the side surfaces of the two limit blocks 21 are fixedly connected with a positioning plate 22, and a limit groove 23 is provided on the supporting plate 5. The outer surface of the screw rod 19 is rotatably connected with the limit groove 23, the screw rod 19 passes through the limit block 21, and the outer surface of the limit block 21 is slidably connected with the limit groove 23.

[0028] Working principle: By pushing the slider 10 upward, the moving slider 10 drives the T-block 9 to move horizontally in the opposite direction on the limit rod 8, so that the moving T-block 9 squeezes the spring 17 on the T-slot 16, so that the spring 17 is in a taut state. At the same time, the moving slider 10 drives the second connecting rod 11, the first flip rod 12, the second flip rod 13, the fixed rod 14 and the torsion spring 18 to move, so that the moving fixed rod 14 can be disengaged from the positioning groove 15, so that the restriction on the bearing plate 5 and the torsion spring 18 can be released, so that the unrestricted torsion spring 18 can flip and rebound, so that the flipped and rebounded torsion spring 18 drives the second connecting rod 11 to The first turning rod 12, the second turning rod 13 and the fixing rod 14 are turned around the second connecting rod 11, so that the first turning rod 12, the second turning rod 13 and the fixing rod 14 do not affect the rotation of the positioning block 7. Then, the pushed slider 10 is released, so that the spring 17 is no longer restricted and rebounds, thereby driving the limit rod 8, the T-block 9, the slider 10, the second connecting rod 11, the first turning rod 12, the second turning rod 13, the fixing rod 14 and the torsion spring 18 to move. Then, the supporting plate 5 is pulled upward to rotate the supporting plate 5 around the first connecting rod 3 as the central axis, so that the rotating supporting plate 5 can bring The first connecting rod 3, the flip block 4 and the positioning block 7 are rotated. When the rotating bearing plate 5 contacts the L-shaped block 6, the flip angle of the bearing plate 5 can be limited so that the bearing plate 5 can be flush with the workbench of the pipe bending machine 1. Then the slider 10 is pushed again, so that the slider 10 drives the T-block 9, the slider 10, the second connecting rod 11, the first flip rod 12, the second flip rod 13, the fixed rod 14 and the torsion spring 18 to move. After the slider 10 moves a certain distance, the fixed rod 14 is flipped, so that the flipped fixed rod 14 drives the second connecting rod 11 to rotate, so that the rotating second connecting rod 11 pulls the torsion spring 18 on the slider 10, so that the torsion spring 18 is in In the flipped and stretched state, when the flipped fixing rod 14 corresponds to the positioning groove 15, the fixing rod 14 is inserted into the positioning groove 15 to limit the torsion spring 18, so that the torsion spring 18 will not drive the fixing rod 14 to move, thereby completing the restriction of the bearing plate 5, and then the steel pipe is placed between the two positioning plates 22, and then the rotating block 20 is rotated, so that the rotating rotating block 20 drives the screw rod 19 to rotate, so that the rotating screw rod 19 drives the two positioning plates 22 to move closer to each other through the cooperation of the limit block 21 and the limit groove 23, and when the two positioning plates 22 are in contact with the steel pipe, the rotation of the rotating block 20 is stopped to complete the restriction of the steel pipe.

[0029] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A stainless steel pipe bending machine, characterized in that: include: A pipe bender (1), wherein a connecting block (2) is fixedly connected to the pipe bender (1), first connecting rods (3) are rotatably connected to both sides of the connecting block (2), the outer surfaces of the two first connecting rods (3) are fixedly connected to the same flip block (4), and the lower surface of the flip block (4) is fixedly connected to a bearing plate (5); The pipe bending machine (1) is fixedly connected with two L-shaped blocks (6), the inner surfaces of the two L-shaped blocks (6) are fixedly connected with limit rods (8), the outer surfaces of the two limit rods (8) are slidably connected with T-shaped blocks (9), the side surfaces of the two T-shaped blocks (9) are fixedly connected with sliders (10), the inner surfaces of the two sliders (10) are rotatably connected with second connecting rods (11), the two ends of the two second connecting rods (11) are fixedly connected with a first flip rod (12) and a second flip rod (13), the side of the corresponding first flip rod (12) and the second flip rod (13) close to each other is fixedly connected with the same fixed rod (14), the side surfaces of the two first connecting rods (3) are fixedly connected with positioning blocks (7), the two positioning blocks (7) are provided with positioning grooves (15), and the outer surfaces of the two fixing rods (14) are movably connected with the two positioning grooves (15) respectively; The inner surface of the bearing plate (5) is rotatably connected to a screw rod (19), the front end of the screw rod (19) is fixedly connected to a rotating block (20), the outer surface of the screw rod (19) is threadedly connected to two limit blocks (21), and the side surfaces of the two limit blocks (21) are fixedly connected to positioning plates (22).

2. A stainless steel pipe bending machine according to claim 1, characterized in that: The L-shaped block (6) is provided with a T-shaped slot (16), and the inner surface of the T-shaped slot (16) is fixedly connected to the limiting rod (8).

3. A stainless steel pipe bending machine according to claim 1, characterized in that: A spring (17) is slidably sleeved on the outer surface of the limiting rod (8), one end of the spring (17) is fixedly connected to the upper surface of the T-block (9), and the end of the spring (17) away from the T-block (9) is fixedly connected to the top inner wall of the T-slot (16).

4. A stainless steel pipe bending machine according to claim 1, characterized in that: A torsion spring (18) is fixedly sleeved on the outer surface of the second connecting rod (11), one end of the torsion spring (18) is fixedly connected to the outer surface of the second connecting rod (11), and the other end of the torsion spring (18) is fixedly connected to the inner surface of the slider (10).

5. A stainless steel pipe bending machine according to claim 1, characterized in that: The bearing plate (5) is provided with a limiting groove (23), and the outer surface of the screw rod (19) is rotatably connected to the limiting groove (23).

6. A stainless steel pipe bending machine according to claim 1, characterized in that: The outer surface of the T-shaped block (9) is slidably connected to the T-shaped groove (16), and the outer surface of the limiting block (21) is slidably connected to the limiting groove (23).

7. A stainless steel pipe bending machine according to claim 3, characterized in that: The outer surface of the first connecting rod (3) is rotatably connected to the L-shaped block (6), and the number of the springs (17) is two and they are distributed front and back.

8. A stainless steel pipe bending machine according to claim 4, characterized in that: The screw rod (19) passes through the limit block (21), and the torsion springs (18) are two in number and are distributed front and back.

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