Bending forming device for thin-wall bent pipe

Abstract

The utility model discloses a thin-wall bent pipe bending forming device which comprises a bottom plate, a T-shaped block is fixed on the bottom plate, a first groove body and a second groove body are arranged on the T-shaped block, a pressing block is arranged on the first groove body in a sliding mode, and one end of the second groove body is connected with a first main wheel and a first support in a rotating mode through a first long bolt. A first auxiliary wheel is rotationally connected to the first support through a first countersunk bolt, a first rocker arm is in threaded connection with the tail end of the first support, a second main wheel and a second support are rotationally connected to the other end of the second groove body through a second long bolt, and a second auxiliary wheel is rotationally connected to the second support through a second countersunk bolt. The tail end of the second support is in threaded connection with a second rocker. The thin-wall bent pipe bending device can be effectively applied to bending forming of a thin-wall bent pipe, the problems that the thin-wall bent pipe is prone to deformation, the size is difficult to control and clamping is difficult in the bending process are solved, the machining efficiency and precision of the thin-wall bent pipe are improved, the labor intensity of workers is reduced, the using effect is good, and application and popularization are convenient.

Description

Technical Field

[0001] The utility model belongs to the technical field of pipe bending processing, and in particular relates to a thin-wall pipe bending forming device. Background Art

[0002] Thin-walled pipe bends are used as pipes for conveying gas and liquid in hydraulic and pneumatic devices, and are widely used in test benches, compressors, oil pumps and other products. However, due to its thin wall and material, it is difficult to make thin-walled pipe bends in one go through ordinary machining, and they need to be reprocessed into the required size and structure through special methods. However, the manufacturing cost of manufacturing a special processing tool according to the size and structure of different pipe bends is high. Therefore, a thin-walled pipe bending device that is universal within a certain angle and length range is needed to improve the processing efficiency and accuracy of the bending. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a thin-walled curved pipe bending and forming device in view of the deficiencies in the above-mentioned prior art. The device has a simple structure, a reasonable design, and is easy to implement. It can be effectively applied to the bending and forming of thin-walled curved pipes, and solves the problems of easy deformation, difficult size control, and difficult clamping of thin-walled pipes during the bending process. Straight pipes can be quickly installed and positioned on the device, thereby improving the processing efficiency and accuracy of thin-walled curved pipes, reducing the labor intensity of workers, having good use effects, and being easy to promote and use.

[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is: a thin-walled pipe bending and forming device, including a base plate, a T-block is fixed on the base plate, and the T-block is provided with a first trough body in the vertical direction and a second trough body in the horizontal direction, a pressure block is slid on the first trough body, and the pressure block can be fixed on the T-block by a hexagonal head bolt, one end of the second trough body is rotatably connected to the first main wheel and the first bracket by a first long bolt, the first bracket is rotatably connected to the first secondary wheel by a first countersunk bolt, the end of the first bracket is threadedly connected to the first rocker arm, the other end of the second trough body is rotatably connected to the second main wheel and the second bracket by a second long bolt, the second bracket is rotatably connected to the second secondary wheel by a second countersunk bolt, and the end of the second bracket is threadedly connected to the second rocker arm.

[0005] In the above-mentioned thin-walled curved pipe bending and forming device, through holes for installation and fixing are arranged on the four corners of the bottom plate.

[0006] In the above-mentioned thin-walled curved pipe bending and forming device, the bottom plate is symmetrically provided with inclined grooves.

[0007] The above-mentioned thin-walled curved pipe bending and forming device, the pressing block includes a slider, a through hole and a semicircular limiting groove, the slider is used to be embedded in the first groove body and can slide in the first groove body; the through hole is used to pass the hexagonal head bolt; the limiting groove is used to install and limit the thin-walled curved pipe to be processed.

[0008] In the above-mentioned thin-walled curved pipe bending and forming device, the first main wheel and the first auxiliary wheel, as well as the second main wheel and the second auxiliary wheel are all provided with spherical grooves corresponding to the size of the thin-walled curved pipe.

[0009] In the above-mentioned thin-walled curved pipe bending forming device, the first bracket and the second bracket are both U-shaped.

[0010] In the above-mentioned thin-walled pipe bending and forming device, the first rocker arm and the second rocker arm are both conical in shape.

[0011] In the above-mentioned thin-walled curved pipe bending and forming device, the surfaces of the first rocker arm and the second rocker arm are both provided with knurling.

[0012] Compared with the prior art, the utility model has the following advantages: the utility model has a simple structure, a reasonable design, and is easy to implement. It can be effectively applied to the bending and forming of thin-walled curved pipes, and solves the problems of easy deformation, difficult size control, and difficult clamping of thin-walled pipes during the bending process; straight pipes can be quickly installed and positioned on the device, which improves the processing efficiency and accuracy of thin-walled curved pipes, reduces the labor intensity of workers, has good use effect, and is easy to promote and use.

[0013] The technical solution of the utility model is further described in detail below through the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the structure of the bottom plate of the utility model;

[0016] Figure 3 It is a structural schematic diagram of the pressing block of the utility model.

[0017] Description of reference numerals:

[0018] 1—bottom plate; 2—T-block; 3—first tank body;

[0019] 4—second tank body; 5—pressing block; 5-1—sliding block;

[0020] 5-2—through hole; 5-3—limiting groove; 6—hexagonal bolt;

[0021] 7—first long bolt; 8—first main wheel; 9—first bracket;

[0022] 10—first countersunk bolt; 11—first auxiliary wheel; 12—first rocker arm;

[0023] 13—second long bolt; 14—second main wheel; 15—second bracket;

[0024] 16—second countersunk bolt; 17—second auxiliary wheel; 18—second rocker arm;

[0025] 19—through hole; 20—bevel groove; 21—thin-wall elbow. DETAILED DESCRIPTION

[0026] like Figure 1 and Figure 2 As shown, the thin-walled curved pipe bending and forming device of the utility model comprises a base plate 1, on which a T-block 2 is fixed, on which a first trough body 3 in the vertical direction and a second trough body 4 in the horizontal direction are arranged, on which a pressing block 5 is slidably arranged, and the pressing block 5 can be fixed on the T-block 2 by a hexagonal head bolt 6, one end of the second trough body 4 is rotatably connected to a first main wheel 8 and a first bracket 9 by a first long bolt 7, on which a first secondary wheel 11 is rotatably connected by a first countersunk bolt 10 on the first bracket 9, and a first rocker arm 12 is threadedly connected at the end of the first bracket 9, and the other end of the second trough body 4 is rotatably connected to a second main wheel 14 and a second bracket 15 by a second long bolt 13, on which a second secondary wheel 17 is rotatably connected by a second countersunk bolt 16 on the second bracket 15, and a second rocker arm 18 is threadedly connected at the end of the second bracket 15.

[0027] In this embodiment, through holes 19 for installation and fixing are arranged on the four corners of the bottom plate 1 .

[0028] In this embodiment, the bottom plate 1 is symmetrically provided with inclined grooves 20 .

[0029] In specific implementation, the position of the inclined groove 20 can be adjusted to cut thin-walled curved pipes 21 of different lengths.

[0030] In this embodiment, Figure 3 As shown, the pressing block 5 includes a slider 5-1, a through hole 5-2 and a semicircular limiting groove 5-3. The slider 5-1 is used to be embedded in the first slot body 3 and can slide in the first slot body 3; the through hole 5-2 is used to penetrate the hexagonal head bolt 6; the limiting groove 5-3 is used to install and limit the thin-walled bent pipe 21 to be processed.

[0031] In this embodiment, the first main wheel 8 and the first secondary wheel 11 , as well as the second main wheel 14 and the second secondary wheel 17 are all provided with spherical grooves corresponding to the size of the thin-walled curved pipe 21 .

[0032] During specific implementation, the diameter of the spherical groove can be adjusted to accommodate thin-walled curved pipes 21 of different diameters.

[0033] In this embodiment, the first bracket 9 and the second bracket 15 are both U-shaped.

[0034] In this embodiment, the first rocker arm 12 and the second rocker arm 18 are both conical in shape.

[0035] In this embodiment, the surfaces of the first rocker arm 12 and the second rocker arm 18 are both provided with knurling.

[0036] When the utility model is used, firstly, the thin-walled curved pipe 21 to be processed is filled with sand, and both ends are sealed with round wood to ensure that the thin-walled curved pipe 21 is uniformly deformed at the bending part during the bending process; then the hexagonal bolt 6 is loosened with a wrench, and the pressing block 5 is slid upward in the first slot 3, and at the same time, the first rocker arm 12 and the second rocker arm 18 are pulled upward to insert the thin-walled curved pipe 21 in a straight tube state into the middle of the first main wheel 8 and the first auxiliary wheel 11, and the second main wheel 14 and the second auxiliary wheel 17; then the pressing block 5 is pushed downward to pass through the limiting The positioning groove 5-3 fixes the thin-walled curved pipe 21, and then tightens the hexagonal bolt 6 with a wrench. At this time, the thin-walled curved pipe 21 to be processed is installed in place; then, use both hands to push the first rocker arm 12 and the second rocker arm 18 downward at the same time, and the thin-walled curved pipe is bent into shape; then, insert a hacksaw into the inclined groove 20, and saw the thin-walled curved pipe 21 along the direction of the inclined groove 20. After sawing, it is a finished workpiece; finally, loosen the hexagonal bolt 6 with a wrench, slide the pressing block 5 upward in the first groove body 3, take out the finished workpiece, and pour out the sand.

[0037] The above is only a preferred embodiment of the present invention and does not constitute any limitation to the present invention. Any simple modification, change and equivalent structural change made to the above embodiments according to the technical essence of the present invention shall still fall within the protection scope of the technical solution of the present invention.

Claims

1. A thin-walled pipe bending and forming device, characterized in that: The invention comprises a bottom plate (1), a T-shaped block (2) is fixed on the bottom plate (1), a first trough (3) in the vertical direction and a second trough (4) in the horizontal direction are provided on the T-shaped block (2), a pressing block (5) is slidably provided on the first trough (3), and the pressing block (5) can be fixed on the T-shaped block (2) by a hexagonal bolt (6), one end of the second trough (4) is rotatably connected to a first main wheel (8) and a first bracket (9) by a first long bolt (7), the first bracket (9) is rotatably connected to a first secondary wheel (11) by a first countersunk bolt (10), a first rocker arm (12) is threadedly connected to the end of the first bracket (9), the other end of the second trough (4) is rotatably connected to a second main wheel (14) and a second bracket (15) by a second long bolt (13), the second bracket (15) is rotatably connected to a second secondary wheel (17) by a second countersunk bolt (16), and a second rocker arm (18) is threadedly connected to the end of the second bracket (15).

2. A thin-walled pipe bending and forming device according to claim 1, characterized in that: Through holes (19) for installation and fixing are arranged at the four corners of the base plate (1).

3. A thin-walled pipe bending and forming device according to claim 1, characterized in that: The bottom plate (1) is symmetrically provided with inclined grooves (20).

4. A thin-walled pipe bending and forming device according to claim 1, characterized in that: The pressing block (5) comprises a slider (5-1), a through hole (5-2) and a semicircular limiting groove (5-3); the slider (5-1) is used to be embedded in the first groove body (3) and can slide in the first groove body (3); the through hole (5-2) is used to penetrate the hexagonal head bolt (6); and the limiting groove (5-3) is used to install and limit the thin-walled bent pipe (21) to be processed.

5. A thin-walled pipe bending and forming device according to claim 1, characterized in that: The first main wheel (8) and the first secondary wheel (11), as well as the second main wheel (14) and the second secondary wheel (17) are all provided with spherical grooves corresponding to the size of the thin-walled curved pipe (21).

6. A thin-walled pipe bending and forming device according to claim 1, characterized in that: The first bracket (9) and the second bracket (15) are both U-shaped.

7. A thin-walled pipe bending and forming device according to claim 1, characterized in that: The first rocker arm (12) and the second rocker arm (18) are both conical in shape.

8. A thin-walled pipe bending and forming device according to claim 1, characterized in that: The surfaces of the first rocker arm (12) and the second rocker arm (18) are both provided with knurling.

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