Bending machine for pipe production

Abstract

The utility model relates to the technical field of beverage production equipment, in particular to a bending machine for pipe production. One end of the first positioning column is rotationally installed on the table top of the workbench, and the outer side of the first positioning column is slidably sleeved with a positioning wheel mold; one end of the driven plate is fixed to the outer side wall of the first positioning column, a first rectangular opening is formed in the plate face of the driven plate, and a first linear moving assembly is installed in the first rectangular opening; the outer side of the second positioning column is slidably sleeved with a bending wheel mold, one end of the second positioning column is connected with the first linear moving assembly, and the second positioning column linearly moves through the first linear moving assembly; a first round hole is formed in one end of the first pressing plate. The die replacing device is rapid and simple in die replacing, easy to operate and capable of improving installation efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of beverage production equipment, in particular to a bending machine for pipe production. Background Art

[0002] Pipes are materials used for making pipe fittings; different pipe fittings require different pipes, and the quality of the pipes directly determines the quality of the pipe fittings; such pipes are widely used in construction projects, power plants, chemical plants, etc. When metal pipes need to be bent during the processing, a bending device is required.

[0003] On the existing pipe bending machine, there are roller molds adapted to various pipes. When it is necessary to bend another pipe, the mold needs to be replaced. Replacing the mold requires removing the fixing bolts, which is too troublesome. Content of the Utility Model

[0004] Based on the deficiencies in the prior art mentioned in the above background art, the utility model provides a bending machine for pipe production.

[0005] The utility model overcomes the above technical problems by adopting the following technical solutions, specifically:

[0006] A bending machine for pipe production, comprising:

[0007] A workbench;

[0008] A first positioning column, one end of which is rotatably installed on the tabletop of the workbench, and a positioning wheel mold is slidably sleeved on the outer side of the first positioning column;

[0009] A driven plate, one end of which is fixed on the outer side wall of the first positioning column. A first rectangular opening is formed on the plate surface of the driven plate, and a first linear movement component is installed inside the first rectangular opening;

[0010] A second positioning column, a bending wheel mold is slidably sleeved on the outer side of the second positioning column, one end of the second positioning column is connected to the first linear movement component, and the second positioning column performs linear movement through the first linear movement component;

[0011] A first pressing plate, a first round hole is formed at one end of the first pressing plate, and a fixed cylinder coaxial with the round hole is fixed on the top of the first pressing plate;

[0012] A second pressing plate, a second round hole is formed at one end of the second pressing plate, the whole fixed cylinder is rotatably installed in the second round hole. A second rectangular opening is formed on the plate surface of the second pressing plate, a plurality of guide plates are fixed at both ends of the second rectangular opening, and a first moving block is slidably sleeved on the outside of each guide plate. A jack adapted to the second positioning column is formed on the outer wall of the first moving block;

[0013] A second linear movement component, the other ends of the first pressing plate and the second pressing plate are both connected to the second linear movement component, and the first pressing plate and the second pressing plate perform up and down linear movement through the second linear movement component;

[0014] A limiting plate, a third rectangular opening is formed in the top of the workbench, a third linear movement component is installed inside the third rectangular opening, the limiting plate is connected to the third linear movement component, and the limiting plate performs linear movement in the third rectangular opening through the third linear movement component.

[0015] As a further solution of the present invention: a hydraulic rod is rotatably installed on the tabletop of the workbench, and the telescopic end of the hydraulic rod is fixed to the driven plate.

[0016] As a further solution of the present invention: the first linear movement component includes a second threaded rod, a second servo motor and a third moving block. The outer walls on both sides of the third moving block are in contact with the inner wall of the first rectangular opening. First rotation holes are formed at both ends of the first rectangular opening. The two ends of the second threaded rod are respectively rotatably installed in the two first rotation holes. The whole of the second servo motor is fixed on the driven plate. The output shaft of the second servo motor is coaxially fixed to the second threaded rod. The whole of the third moving block is threadedly installed on the second threaded rod, and one end of the second positioning column is fixed on the third moving block.

[0017] As a further solution of the present invention: the first linear movement component includes a first rectangular frame, a first threaded rod and a first servo motor. One end of the first rectangular frame is fixed on the workbench. Second rotation holes are formed at both ends of the first rectangular frame. The two ends of the first threaded rod are respectively rotatably installed in the two second rotation holes. The whole of the first servo motor is fixed on the first rectangular frame. The output shaft of the first servo motor is coaxially fixed to the first threaded rod. The two sides of the first pressing plate are in contact with the inner wall of the first rectangular frame. One end of the first pressing plate is threadedly installed on the first threaded rod.

[0018] As a further solution of the present invention: the first linear movement component further includes a second rectangular frame and a guide rod. One end of the second rectangular frame is fixed on the second pressing plate. The two ends of the guide rod are respectively fixed on the two inner ends of the second rectangular frame. The other end of the second pressing plate is slidably sleeved on the guide rod.

[0019] As a further solution of the utility model: the third linear movement assembly includes a third servo motor, a third threaded rod and a second moving block. Both ends of the second rectangular opening are provided with third rotating holes. The two ends of the third threaded rod are respectively rotatably installed in the two third rotating holes. The whole of the second moving block is threadedly installed on the third threaded rod. Both sides of the second moving block are in contact with the inner wall of the second rectangular opening. The whole of the third servo motor is fixed on the workbench, and the output shaft of the third servo motor is coaxially fixed with the third threaded rod.

[0020] As a further solution of the utility model: one end of the limiting plate is fixed on the top of the second moving block.

[0021] After adopting the above structure, compared with the prior art, the utility model has the following advantages:

[0022] The whole bending machine can replace the die quickly and simply, is easy to operate, and improves the installation efficiency. Description of the Drawings

[0023] Figure 1 It is the overall structure schematic diagram of the utility model.

[0024] Figure 2 It is the top view structure schematic diagram of the utility model.

[0025] Figure 3 It is the partial sectional view structure schematic diagram of the utility model.

[0026] Figure 4 It is the bending working schematic diagram of the utility model.

[0027] In the figure: 1, workbench; 2, hydraulic rod; 3, positioning wheel die; 4, first rectangular frame; 5, first threaded rod; 6, first servo motor; 7, first pressing plate; 8, first positioning column; 9, fixed cylinder; 10, second pressing plate; 11, guide plate; 12, first moving block; 13, second positioning column; 14, bending wheel die; 15, driven plate; 16, second threaded rod; 17, second servo motor; 18, guide rod; 19, second rectangular frame; 20, third servo motor; 21, third threaded rod; 22, second moving block; 23, limiting plate; 24, third moving block. Detailed Description of the Invention

[0028] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present utility model.

[0029] Please refer to Figures 1 to 4 , in the embodiment of the present utility model, a bending machine for pipe production includes:

[0030] Workbench 1;

[0031] The first positioning column 8, one end of the first positioning column 8 is rotatably installed on the tabletop of the workbench 1, and a positioning wheel die 3 is slidably sleeved on the outer side of the first positioning column 8;

[0032] The driven plate 15, one end of the driven plate 15 is fixed on the outer side wall of the first positioning column 8, a first rectangular opening is formed on the plate surface of the driven plate 15, and a first linear movement component is installed inside the first rectangular opening;

[0033] The second positioning column 13, a bending wheel die 14 is slidably sleeved on the outer side of the second positioning column 13, one end of the second positioning column 13 is connected to the first linear movement component, and the second positioning column 13 performs linear movement through the first linear movement component;

[0034] The first pressing plate 7, a first round hole is formed at one end of the first pressing plate 7, and a fixed cylinder 9 coaxially arranged with the round hole is fixed on the top of the first pressing plate 7;

[0035] The second pressing plate 10, a second round hole is formed at one end of the second pressing plate 10, the whole fixed cylinder 9 is rotatably installed in the second round hole, a second rectangular opening is formed on the plate surface of the second pressing plate 10, a plurality of guide plates 11 are fixed at both ends of the second rectangular opening, a first moving block 12 is slidably sleeved on the outer sides of the respective guide plates 11, and a jack adapted to the second positioning column 13 is formed on the outer wall of the first moving block 12;

[0036] The second linear movement component, the other ends of the first pressing plate 7 and the second pressing plate 10 are both connected to the second linear movement component, and the first pressing plate 7 and the second pressing plate 10 perform up and down linear movement through the second linear movement component;

[0037] The limiting plate 23, a third rectangular opening is formed on the top of the workbench 1, a third linear movement component is installed inside the third rectangular opening, the limiting plate 23 is connected to the third linear movement component, and the limiting plate 23 performs linear movement in the third rectangular opening through the third linear movement component;

[0038] According to the above connection relationship, the solution is as follows: when replacing the mold, the second linear movement component moves the first pressing plate 7 and the second pressing plate 10 upward until the first pressing plate 7 and the second pressing plate 10 are separated from the first positioning post 8 and the second positioning post 13. At this time, the positioning wheel mold 3 and the bending wheel mold 14 can be taken out. Then, install the positioning wheel mold 3 and the bending wheel mold 14 of the new specification. Then, make the positioning wheel mold 3 and the bending wheel mold 14 of the new specification contact each other through the first linear movement component, and the replacement can be completed. Thus, it can be seen that the mold replacement of the entire bending machine is fast and simple, easy to operate, and improves the installation efficiency.

[0039] Specifically, a hydraulic rod 2 is rotatably installed on the tabletop of the workbench 1, and the telescopic end of the hydraulic rod 2 is fixed to the driven plate 15;

[0040] According to the above connection relationship, the solution is that the hydraulic rod 2 is used to provide rotational power, as Figure 4 shown.

[0041] Specifically, the first linear movement component includes a second threaded rod 16, a second servo motor 17, and a third moving block 24. The outer walls on both sides of the third moving block 24 are in contact with the inner wall of the first rectangular opening. First rotation holes are opened at both ends of the first rectangular opening. The two ends of the second threaded rod 16 are respectively rotatably installed in the two first rotation holes. The whole of the second servo motor 17 is fixed on the driven plate 15. The output shaft of the second servo motor 17 is coaxially fixed to the second threaded rod 16. The whole of the third moving block 24 is threadedly installed on the second threaded rod 16. One end of the second positioning post 13 is fixed on the third moving block 24;

[0042] According to the above connection relationship, the solution is that the second servo motor 17 drives the second threaded rod 16 to rotate through the output shaft. The second threaded rod 16 drives the third moving block 24 to move through screw drive, and the second positioning post 13 moves with the third moving block 24.

[0043] Specifically, the first linear movement component includes a first rectangular frame 4, a first threaded rod 5, and a first servo motor 6. One end of the first rectangular frame 4 is fixed to the workbench 1. Second rotation holes are opened at both ends of the first rectangular frame 4. The two ends of the first threaded rod 5 are respectively rotatably installed in the two second rotation holes. The whole of the first servo motor 6 is fixed on the first rectangular frame 4. The output shaft of the first servo motor 6 is coaxially fixed to the first threaded rod 5. The two sides of the first pressing plate 7 are in contact with the inner wall of the first rectangular frame 4. One end of the first pressing plate 7 is threadedly installed on the first threaded rod 5. The first linear movement component further includes a second rectangular frame 19 and a guide rod 18. One end of the second rectangular frame 19 is fixed to the second pressing plate 10. The two ends of the guide rod 18 are respectively fixed to the two inner ends of the second rectangular frame 19. The other end of the second pressing plate 10 is slidably sleeved on the guide rod 18;

[0044] According to the above connection relationship, the solution is that the first servo motor 6 drives the first threaded rod 5 to rotate through the output shaft, the first threaded rod 5 drives the first pressing plate 7 to move through screw drive, and the first pressing plate 7 drives the second pressing plate 10 to move.

[0045] Specifically, the third linear movement assembly includes a third servo motor 20, a third threaded rod 21, and a second moving block 22. Third rotation holes are provided at both ends of the second rectangular opening. The two ends of the third threaded rod 21 are respectively rotatably installed in the two third rotation holes. The whole of the second moving block 22 is installed on the third threaded rod 21 through threads. Both sides of the second moving block 22 are in contact with the inner wall of the second rectangular opening. The whole of the third servo motor 20 is fixed on the workbench 1. The output shaft of the third servo motor 20 is coaxially fixed with the third threaded rod 21. One end of the limiting plate 23 is fixed on the top of the second moving block 22;

[0046] According to the above connection relationship, the solution is that after the positioning wheel die 3 and the bending wheel die 14 of the new specification are replaced, insert the pipe fitting. The third servo motor 20 drives the third threaded rod 21 to rotate through the output shaft, and the third threaded rod 21 drives the second moving block 22 to move through screw drive, so that the limiting plate 23 can fit with the pipe fitting, as Figure 4 shown, and then the bending work is carried out.

[0047] Working principle: When replacing the die, the first servo motor 6 drives the first threaded rod 5 to rotate through the output shaft, the first threaded rod 5 drives the first pressing plate 7 to move through screw drive, and the first pressing plate 7 drives the second pressing plate 10 to move until the first pressing plate 7 and the second pressing plate 10 are separated from the first positioning column 8 and the second positioning column 13. At this time, the positioning wheel die 3 and the bending wheel die 14 can be pulled out, and then the positioning wheel die 3 and the bending wheel die 14 of the new specification are installed. The second servo motor 17 drives the second threaded rod 16 to rotate through the output shaft, the second threaded rod 16 drives the third moving block 24 to move through screw drive, the second positioning column 13 moves with the third moving block 24, and the bending wheel die 14 of the new specification on the second positioning column 13 contacts the positioning wheel die 3 of the new specification, and the replacement can be completed. After the positioning wheel die 3 and the bending wheel die 14 of the new specification are replaced, insert the pipe fitting. The third servo motor 20 drives the third threaded rod 21 to rotate through the output shaft, and the third threaded rod 21 drives the second moving block 22 to move through screw drive, so that the limiting plate 23 can fit with the pipe fitting, as Figure 4 shown, and then the bending work is carried out.

[0048] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above-mentioned exemplary embodiments, and the present utility model can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model.

Claims

1. A bending machine for pipe production, characterized in that: include: Workbench (1); A first positioning column (8), one end of which is rotatably mounted on the surface of the workbench (1), and a positioning wheel mold (3) is provided on an outer sliding sleeve of the first positioning column (8); A driven plate (15), one end of which is fixed to the outer wall of the first positioning column (8), a first rectangular opening is formed on the plate surface of the driven plate (15), and a first linear moving component is installed inside the first rectangular opening; A second positioning column (13), wherein an outer sliding sleeve of the second positioning column (13) is provided with a bending wheel mold (14), one end of the second positioning column (13) is connected to the first linear motion component, and the second positioning column (13) is linearly moved by the first linear motion component; A first pressing plate (7), wherein a first circular hole is formed at one end of the first pressing plate (7), and a fixing cylinder (9) coaxially arranged with the circular hole is fixed to the top of the first pressing plate (7); A second pressing plate (10), one end of which is provided with a second circular hole, the fixed cylinder (9) is integrally rotatably mounted in the second circular hole, a second rectangular opening is provided on the plate surface of the second pressing plate (10), a plurality of guide plates (11) are fixed at both ends of the second rectangular opening, the outer sides of the guide plates (11) are slidably sleeved with a first moving block (12), and an outer wall of the first moving block (12) is provided with a plug hole adapted to the second positioning column (13); A second linear motion component, the other end of the first pressing plate (7) and the other end of the second pressing plate (10) are both connected to the second linear motion component, and the first pressing plate (7) and the second pressing plate (10) are linearly moved up and down through the second linear motion component; A limiting plate (23), a third rectangular opening is opened on the top of the workbench (1), a third linear motion component is installed inside the third rectangular opening, the limiting plate (23) is connected to the third linear motion component, and the limiting plate (23) moves linearly in the third rectangular opening through the third linear motion component.

2. A bending machine for pipe production according to claim 1, characterized in that: A hydraulic rod (2) is rotatably mounted on the table surface of the workbench (1), and the telescopic end of the hydraulic rod (2) is fixed to a driven plate (15).

3. A bending machine for pipe production according to claim 1, characterized in that: The first linear motion component comprises a second threaded rod (16), a second servo motor (17) and a third moving block (24); outer walls on both sides of the third moving block (24) are in contact with the inner wall of the first rectangular opening; first rotating holes are provided at both ends of the first rectangular opening; the two ends of the second threaded rod (16) are respectively rotatably mounted in the two first rotating holes; the second servo motor (17) is integrally fixed on the driven plate (15); the output shaft of the second servo motor (17) is coaxially fixed with the second threaded rod (16); the third moving block (24) is integrally mounted on the second threaded rod (16) by threads; and one end of the second positioning column (13) is fixed on the third moving block (24).

4. A bending machine for pipe production according to claim 1, characterized in that: The first linear motion component comprises a first rectangular frame (4), a first threaded rod (5) and a first servo motor (6); one end of the first rectangular frame (4) is fixed on the workbench (1); both ends of the first rectangular frame (4) are provided with second rotating holes; both ends of the first threaded rod (5) are rotatably mounted in the two second rotating holes respectively; the first servo motor (6) is fixed as a whole on the first rectangular frame (4); the output shaft of the first servo motor (6) is coaxially fixed with the first threaded rod (5); both sides of the first pressing plate (7) are in contact with the inner wall of the first rectangular frame (4); and one end of the first pressing plate (7) is threadably mounted on the first threaded rod (5).

5. A bending machine for pipe production according to claim 4, characterized in that: The first linear motion component also includes a second rectangular frame (19) and a guide rod (18), one end of the second rectangular frame (19) is fixed on the second pressure plate (10), two ends of the guide rod (18) are respectively fixed on the two ends inside the second rectangular frame (19), and the other end of the second pressure plate (10) is slidably sleeved on the guide rod (18).

6. A bending machine for pipe production according to claim 5, characterized in that: The third linear motion assembly comprises a third servo motor (20), a third threaded rod (21) and a second moving block (22); both ends of the second rectangular opening are provided with third rotating holes; both ends of the third threaded rod (21) are rotatably mounted in the two third rotating holes respectively; the second moving block (22) is integrally mounted on the third threaded rod (21) by threads; both sides of the second moving block (22) are in contact with the inner wall of the second rectangular opening; the third servo motor (20) is integrally fixed on the workbench (1); and the output shaft of the third servo motor (20) is coaxially fixed to the third threaded rod (21).

7. A bending machine for pipe production according to claim 6, characterized in that: One end of the limiting plate (23) is fixed on the top of the second moving block (22).

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