Pipe bending machine capable of bending at any angle

Abstract

The utility model relates to the technical field of fire extinguishers, and discloses a pipe bender capable of bending at any angle, which comprises a machine body and a metal pipe conveying device, the upper end of the machine body is sequentially provided with an output component, a bending mechanism and a rotary clamping mechanism from left to right, the bending mechanism comprises a bending block and a rotary component, the bending block is fixed at the upper end of the machine body, and the rotary component is fixed at the lower end of the machine body. A bending groove matched with the metal pipe is formed in the side wall of the bending block, a rotating shaft is rotationally connected to the upper end of the bending block, a rotating block is fixed to the side wall of the rotating shaft, an extrusion wheel is rotationally connected to the lower end of the rotating block, and an extrusion groove matched with the metal pipe is formed in the side wall of the extrusion wheel; the rotary clamping mechanism comprises a clamping assembly, a rotating assembly and a pushing assembly, the bending mechanism is arranged, so that a metal pipe can be bent into a needed angle, the problem that an existing pipe bending machine can only bend a certain angle is solved, the practicability of the pipe bending machine is improved, the pipe bending machine can meet the production requirements of bent pipes of various different angles, and the production cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of fire extinguishers, in particular to a pipe bending machine capable of bending at any angle. Background Art

[0002] A fire extinguisher is a common firefighting tool, which generally includes a cylinder, a valve body, a connecting pipe and a trumpet nozzle. The connecting pipe is generally a hose. The trumpet nozzle and the valve body are connected, and the pressure handle on the valve body is pressed. The valve body passes through a siphon tube to allow the fire extinguishing agent in the cylinder to pass through the hose and be sprayed out from the trumpet nozzle to extinguish the fire. In order to facilitate the operator to adjust the direction of the trumpet nozzle, current fire extinguishers generally connect a section of metal connecting elbow between the trumpet nozzle and the connecting pipe, and the connecting elbow needs to be bent by a bending machine.

[0003] At present, the existing utility model with publication number CN212190721U discloses a simple movable pipe bending mechanism, including a mounting base, and a universal wheel with a self-locking function is respectively fixed to the four corners of the lower surface of the mounting base, and is characterized in that: it also includes a motor pipe bending mechanism and a pipe fixing seat, and the motor pipe bending mechanism and the pipe fixing seat are respectively fixed on the left and right sides of the upper surface of the mounting base; the motor pipe bending mechanism includes a pipe bending base plate, a motor rotating device, a pipe pressing device and a rotating connecting plate, the pipe bending base plate is fixed to the upper surface of the mounting base, the motor rotating device is fixed to the middle of the upper surface of the pipe bending base plate, the pipe pressing device is fixed to the rear side of the upper surface of the rotating connecting plate, and the front end of the rotating connecting plate is fixedly connected to the working end of the motor rotating device.

[0004] In the above scheme, the existing pipe bending machine can only bend 90-degree pipes or can only bend pipes at a certain angle, which has great limitations. Pipe bending machines of different specifications need to be equipped for pipes of different angles, which is costly. Utility Model Content

[0005] The purpose of the utility model is to overcome the deficiencies of the prior art and provide a pipe bender that can bend at any angle. By providing a bending mechanism, the metal pipe can be bent into a desired angle, thereby solving the problem that the existing pipe bender can only bend at a certain angle, thereby improving the practicability of the pipe bender, being able to adapt to the production needs of bending pipes at various angles, and reducing the production cost.

[0006] The solution of the utility model to solve the technical problem is:

[0007] A pipe bending machine capable of bending at any angle comprises a machine body and a metal pipe conveying device, wherein an output assembly, a bending mechanism and a rotating clamping mechanism are arranged in sequence from left to right on the upper end of the machine body, wherein the bending mechanism comprises a bending block and a rotating assembly, wherein the bending block is fixed at the upper end of the machine body, wherein a bending groove matching the metal pipe is formed on the side wall of the bending block, wherein the upper end of the bending block is rotatably connected to a rotating shaft, wherein a rotating block is fixed to the side wall of the rotating shaft, wherein the lower end of the rotating block is rotatably connected to an extrusion wheel, wherein an extrusion groove matching the metal pipe is formed on the side wall of the extrusion wheel, and wherein the rotating clamping mechanism comprises a clamping assembly, a rotating assembly and a pushing assembly.

[0008] When the metal tube needs to be bent, the metal tube conveying device is started to convey the metal tube. After the metal tube passes through the channel formed between the bending groove and the extrusion groove, it is clamped and fixed by the clamping assembly. The rotating assembly is started to drive the rotating block to rotate the required angle, and the extrusion wheel extrude and bends the metal tube to the required angle. At the same time, the metal tube can be moved or rotated by the pushing assembly and the rotating assembly, so that the metal tube can be bent multiple times, and then the bent metal tube is output by the output assembly, thereby completing the automation of metal tube bending.

[0009] By providing a bending mechanism, the metal tube can be bent into a desired angle, solving the problem that the existing tube bending machine can only bend at a certain angle, thereby improving the practicality of the tube bending machine, being able to adapt to the production needs of bending tubes at various angles, and reducing the production cost.

[0010] The utility model is further configured as follows: the output component includes a double-axis cylinder fixed to the upper end of the body, the upper end of the body is rotatably connected to the first cylinder and the support block, the upper end of the support block is fixed to the second cylinder, the first push rod end of the first cylinder is fixed to the first hinge, the side wall of the support block is fixed to the second hinge, and the first hinge and the second hinge are connected to each other.

[0011] Through the above technical scheme, when it is necessary to drive the bent metal tube to be output, start the double-axis cylinder, and push the metal tube to rotate through the cylinder baffle of the double-axis cylinder, so that the bent section of the metal tube is set downward, so that the second push rod of the second cylinder can be inserted between the metal tube and the bent section of the metal tube, start the second cylinder, so that the second push rod of the second cylinder is located between the metal tube and the bent end of the metal tube, start the first cylinder, drive the support block to rotate, so that the second push rod abuts against the side wall of the bent section, thereby driving the bent metal tube to be output.

[0012] The utility model is further configured as follows: the rotating component includes a servo electric cylinder fixed at the lower end of the machine body, a rack is fixed to the end of the piston rod of the servo electric cylinder, a guide component is provided on the side wall of the rack, and a gear meshing with the rack is fixed on the protruding end of the rotating shaft passing through the bending block.

[0013] Through the above technical solution, when it is necessary to drive the rotating block to rotate, the servo electric cylinder is started to drive the rack to move, and the movement of the rack drives the gear to rotate, thereby driving the rotating block to rotate. When it is necessary to drive the rotating block to rotate at different angles, the movement distance of the rack is controlled by the servo electric cylinder, so that the rotation angle of the rotating block can be controlled, so that the rotating block can be rotated to different angles according to the required angle.

[0014] The utility model is further configured as follows: the clamping assembly includes a connecting rod arranged at the upper end of the body, a plurality of grooves are formed on the side wall of the connecting rod, a guide frame matching the connecting rod is fixed to the upper end of the body, the connecting rod is inserted into the guide frame, and a clamp is fixed to the end of the connecting rod.

[0015] Through the above technical solution, after the metal tube passes through the channel formed between the bending groove and the extrusion groove, it is inserted into the clamper, and the clamper is started, so that the metal tube can be clamped and fixed.

[0016] The utility model is further configured as follows: the rotating assembly includes a third cylinder rotatably connected to the upper end of the body, a connecting block matching the connecting rod is inserted on the side wall of the connecting rod, and the end of the third push rod of the third cylinder is rotatably connected to the side wall of the connecting block.

[0017] Through the above technical solution, after the clamp clamps and fixes the metal tube, when it is necessary to drive the metal tube to rotate, the third cylinder is started to drive the connecting block to rotate. At the same time, under the action of the groove, the rotation of the connecting block can drive the clamp to rotate, thereby driving the metal tube to rotate.

[0018] The utility model is further configured as follows: the pushing assembly includes a fourth cylinder fixed to the upper end of the machine body, the end of the fourth push rod of the fourth cylinder is rotatably connected to the third hinge, and the third hinge is rotatably connected to the end of the connecting rod.

[0019] Through the above technical solution, after the clamper clamps and fixes the metal tube, when it is necessary to drive the metal tube to move, the fourth cylinder is started to drive the connecting rod to move. The movement of the connecting rod can drive the clamper to move, thereby driving the metal tube to move.

[0020] The utility model is further configured as follows: the guide assembly includes a guide block fixed on the side wall of the rack, and a guide rail matched with the guide block is fixed on the lower end of the machine body.

[0021] Through the above technical solution, the rack can be guided to prevent the rack from deviating, and at the same time, the rack can be supported.

[0022] The utility model is further configured as follows: clamping grooves matching the metal pipe are formed on the side walls of the two clamping arms of the clamp.

[0023] Through the above technical solution, the metal pipe can be effectively clamped and fixed without causing damage to the metal pipe.

[0024] The beneficial effects of the utility model are:

[0025] Compared with the prior art, the bending mechanism is provided so that the metal tube can be bent into a desired angle, thereby solving the problem that the existing tube bending machine can only bend at a certain angle, thereby improving the practicality of the tube bending machine, being able to adapt to the production needs of bending tubes at various angles, and reducing the production cost.

[0026] The guide assembly is provided to prevent the rack from deflecting and at the same time provide support for the rack.

[0027] By providing the clamping groove, the metal pipe can be effectively clamped and fixed without causing damage to the metal pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0029] Figure 2 for Figure 1 The enlarged view of A;

[0030] Figure 3 for Figure 1 The enlarged view of B;

[0031] Figure 4 for Figure 1 The enlarged view of C;

[0032] Figure 5 It is a three-dimensional structural schematic diagram of the utility model;

[0033] Figure 6 for Figure 5 A magnified view of D.

[0034] 1. the guide frame; 2. the guide frame; 3. the guide rod; 4. the guide rail; 5. the guide rail; 6. the guide rail; 7. the guide rail; 8. the guide rail; 9. the guide rail; 10. the guide rail; 11. the guide rail; 12. the guide rail; 13. the guide rail; 14. the guide rail; 15. the guide rail; 16. the guide rail; 17. the guide rail; 18. the guide rail; 19. the guide rail; 20. the guide rail; 21. the guide rail; 22. the guide rail; 23. the guide rail; 24. the guide rail; 25. the guide rail; 26. the guide rail; 27. the guide rail; 28. the guide rail; 29. ​​the guide rail; 30. the guide rail; 31. the guide rail; 32. the guide rail; 33. the guide rail; 34. the guide rail; 35. the guide rail; 36. the guide rail; 37. the guide rail; 38. the guide rail; 39. the guide rail; 40. the guide rail; 41. the guide rail; 42. the guide rail; 43. the guide rail; 44. the guide rail; 45. the guide rail; 46. the guide rail; 47. the guide rail; 48. the guide rail; 49. the guide rail; 50. the guide rail; 51. the guide rail; 52. the guide rail; 53. the guide rail; 54. the guide rail; 55. the guide rail; 56. the guide rail; 57. the guide rail; 58. the guide rail; 59. the guide rail; 60. DETAILED DESCRIPTION

[0035] The following is a further detailed description of the specific implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0036] The following references Figures 1 to 6 The utility model is described.

[0037] A pipe bending machine capable of bending at any angle comprises a machine body 1 and a metal pipe conveying device 2. The upper end of the machine body 1 is provided with an output assembly, a bending mechanism and a rotating clamping mechanism in sequence from left to right. The bending mechanism comprises a bending block 3 and a rotating assembly. The bending block 3 is fixed to the upper end of the machine body 1. A bending groove 301 cooperating with the metal pipe is formed on the side wall of the bending block 3. The upper end of the bending block 3 is rotatably connected to a rotating shaft 4. A rotating block 5 is fixed to the side wall of the rotating shaft 4. The lower end of the rotating block 5 is rotatably connected to an extrusion wheel 6. An extrusion groove 601 cooperating with the metal pipe is formed on the side wall of the extrusion wheel 6. The rotating clamping mechanism comprises a clamping assembly, a rotating assembly and a pushing assembly.

[0038] When the metal tube needs to be bent, the metal tube conveying device 2 is started to convey the metal tube. After the metal tube passes through the channel formed between the bending groove 301 and the extrusion groove 601, it is clamped and fixed by the clamping component, and the rotating component is started to drive the rotating block 5 to rotate to the required angle, and at the same time, the extrusion wheel 6 extrude and bends the metal tube to the required angle. At the same time, the metal tube can be moved or rotated by the pushing component and the rotating component, so that the metal tube can be bent multiple times, and then the bent metal tube is driven to be output through the output component, thereby completing the automation of metal tube bending.

[0039] By providing a bending mechanism, the metal tube can be bent into a desired angle, solving the problem that the existing tube bending machine can only bend at a certain angle, thereby improving the practicality of the tube bending machine, being able to adapt to the production needs of bending tubes at various angles, and reducing the production cost.

[0040] The output assembly includes a double-axis cylinder 7 fixed to the upper end of the body 1, the upper end of the body 1 is rotatably connected to the first cylinder 8 and the support block 9, the upper end of the support block 9 is fixed to the second cylinder 10, the end of the first push rod 801 of the first cylinder 8 is fixed to the first hinge 11, the side wall of the support block 9 is fixed to the second hinge 12, and the first hinge 11 and the second hinge 12 are connected to each other.

[0041] When it is necessary to drive the bent metal tube to be output, start the double-axis cylinder 7, and push the metal tube to rotate through the cylinder baffle 701 of the double-axis cylinder 7, so that the bent section of the metal tube is set downward, so that the second push rod 1001 of the second cylinder 10 can be inserted between the metal tube and the bent section of the metal tube, start the second cylinder 10, so that the second push rod 1001 of the second cylinder 10 is located between the metal tube and the bent end of the metal tube, start the first cylinder 8, and drive the support block 9 to rotate, so that the second push rod 1001 is against the side wall of the bent section, thereby driving the bent metal tube to be output.

[0042] The rotating assembly includes a servo electric cylinder 13 fixed to the lower end of the body 1, a rack 14 is fixed to the end of the piston rod 1301 of the servo electric cylinder 13, a guide assembly is provided on the side wall of the rack 14, and a gear 15 meshing with the rack 14 is fixed to the protruding end of the rotating shaft 4 passing through the bending block 3.

[0043] When it is necessary to drive the rotating block 5 to rotate, the servo electric cylinder 13 is started to drive the rack 14 to move. The movement of the rack 14 drives the gear 15 to rotate, thereby driving the rotating block 5 to rotate. When it is necessary to drive the rotating block 5 to rotate at different angles, the movement distance of the rack 14 is controlled by the servo electric cylinder 13, so that the rotation angle of the rotating block 5 can be controlled, so that the rotating block 5 can be rotated to different angles according to the required angle.

[0044] The clamping assembly includes a connecting rod 16 arranged at the upper end of the body 1, and a plurality of grooves 1601 are formed on the side wall of the connecting rod 16. A guide frame 17 cooperating with the connecting rod 16 is fixed to the upper end of the body 1. The connecting rod 16 is inserted into the guide frame 17, and a clamp 18 is fixed to the end of the connecting rod 16.

[0045] After the metal tube passes through the channel formed between the bending groove 301 and the extrusion groove 601, it is inserted into the clamper 18, and the clamper 18 is started, so that the metal tube can be clamped and fixed.

[0046] The rotating assembly includes a third cylinder 19 rotatably connected to the upper end of the body 1, a connecting block 20 matching the connecting rod 16 is inserted on the side wall of the connecting rod 16, and the end of the third push rod 1901 of the third cylinder 19 is rotatably connected to the side wall of the connecting block 20.

[0047] After the clamp 18 clamps and fixes the metal tube, when it is necessary to drive the metal tube to rotate, the third cylinder 19 is started to drive the connecting block 20 to rotate. At the same time, under the action of the groove 1601, the rotation of the connecting block 20 can drive the clamp 18 to rotate, thereby driving the metal tube to rotate.

[0048] The pushing assembly includes a fourth cylinder 21 fixed to the upper end of the machine body 1 , and the end of the fourth push rod 2101 of the fourth cylinder 21 is rotatably connected to the third hinge 22 , and the third hinge 22 is rotatably connected to the end of the connecting rod 16 .

[0049] After the clamp 18 clamps and fixes the metal pipe, when the metal pipe needs to be moved, the fourth cylinder 21 is started to drive the connecting rod 16 to move. The movement of the connecting rod 16 can drive the clamp 18 to move, thereby driving the metal pipe to move.

[0050] The guide assembly includes a guide block 23 fixed on the side wall of the rack 14 , and a guide rail 24 matched with the guide block 23 is fixed to the lower end of the body 1 .

[0051] The rack 14 can be guided to prevent the rack 14 from deflecting, and at the same time, the rack 14 can be supported.

[0052] The side walls of the two clamping arms 1801 of the clamp 18 are formed with clamping grooves 1802 that match the metal pipe.

[0053] The metal pipe can be clamped and fixed effectively without causing damage to the metal pipe.

[0054] Working principle:

[0055] When the metal tube needs to be bent, the metal tube conveying device 2 is started to convey the metal tube, so that the metal tube passes through the channel formed between the bending groove 301 and the extrusion groove 601, and is inserted into the clamp 18. The clamp 18 is started to clamp and fix the metal tube, and the servo electric cylinder 13 is started to drive the rack 14 to move. The movement of the rack 14 drives the gear 15 to rotate, so that the rotating block 5 can be driven to rotate to the required angle, and the extrusion wheel 6 squeezes and bends the metal tube to the required angle, and the third cylinder 19 can be started to drive the connecting block 20 to rotate. The rotation of the connecting block 20 can drive the clamp 18 to rotate, so that the metal tube can be driven to rotate, and the servo electric cylinder 13 is started to drive the rack 14 to move. The movement of the rack 14 drives the gear 15 to rotate, so that the rotating block 5 can be driven to rotate to the required angle. The fourth cylinder 21 is driven to move the connecting rod 16. The movement of the connecting rod 16 can drive the clamp 18 to move, thereby driving the metal tube to move, so that the metal tube can be bent multiple times. The double-axis cylinder 7 is then started, and the cylinder baffle 701 of the double-axis cylinder 7 is used to push the metal tube to rotate, so that the bent section of the metal tube is set downward. The second cylinder 10 is started, so that the second push rod 1001 of the second cylinder 10 is located between the metal tube and the bent end of the metal tube. The first cylinder 8 is started to drive the support block 9 to rotate, so that the second push rod 1001 is against the side wall of the bent section, thereby driving the bent metal tube to be output, thereby completing the automation of metal tube bending.

[0056] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications of the above assumptions should also be regarded as the protection scope of the present invention.

Claims

1. A pipe bending machine capable of bending at any angle, comprising a machine body (1) and a metal pipe conveying device (2), characterized in that: The upper end of the machine body (1) is provided with an output assembly, a bending mechanism and a rotating clamping mechanism in order from left to right. The bending mechanism comprises a bending block (3) and a rotating assembly. The bending block (3) is fixed to the upper end of the machine body (1). A bending groove (301) matching with the metal tube is formed on the side wall of the bending block (3). The upper end of the bending block (3) is rotatably connected to a rotating shaft (4). A rotating block (5) is fixed to the side wall of the rotating shaft (4). The lower end of the rotating block (5) is rotatably connected to an extrusion wheel (6). An extrusion groove (601) matching with the metal tube is formed on the side wall of the extrusion wheel (6). The rotating clamping mechanism comprises a clamping assembly, a rotating assembly and a pushing assembly.

2. A pipe bender capable of bending at any angle according to claim 1, characterized in that: The output assembly comprises a double-axis cylinder (7) fixed to the upper end of the machine body (1); the upper end of the machine body (1) is rotatably connected to a first cylinder (8) and a support block (9); the upper end of the support block (9) is fixed to a second cylinder (10); the end of a first push rod (801) of the first cylinder (8) is fixed to a first hinge (11); a second hinge (12) is fixed to a side wall of the support block (9); and the first hinge (11) and the second hinge (12) are connected to each other.

3. A pipe bender capable of bending at any angle according to claim 1, characterized in that: The rotating assembly comprises a servo electric cylinder (13) fixed to the lower end of the machine body (1); a rack (14) is fixed to the end of a piston rod (1301) of the servo electric cylinder (13); a guide assembly is provided on the side wall of the rack (14); and a gear (15) meshing with the rack (14) is fixed to the protruding end of the rotating shaft (4) passing through the bending block (3).

4. A pipe bender capable of bending at any angle according to claim 1, characterized in that: The clamping assembly comprises a connecting rod (16) arranged at the upper end of the body (1), a plurality of grooves (1601) are formed on the side wall of the connecting rod (16), a guide frame (17) matched with the connecting rod (16) is fixed to the upper end of the body (1), the connecting rod (16) is inserted into the guide frame (17), and a clamp (18) is fixed to the end of the connecting rod (16).

5. A pipe bender capable of bending at any angle according to claim 4, characterized in that: The rotating assembly comprises a third cylinder (19) rotatably connected to the upper end of the machine body (1); a connecting block (20) matching the connecting rod (16) is inserted and sleeved on the side wall of the connecting rod (16); and the end of a third push rod (1901) of the third cylinder (19) is rotatably connected to the side wall of the connecting block (20).

6. A pipe bender capable of bending at any angle according to claim 4, characterized in that: The pushing assembly comprises a fourth cylinder (21) fixed to the upper end of the machine body (1); the end of a fourth push rod (2101) of the fourth cylinder (21) is rotatably connected to a third hinge (22); and the third hinge (22) is rotatably connected to the end of a connecting rod (16).

7. The pipe bender capable of bending at any angle according to claim 3, characterized in that: The guide assembly comprises a guide block (23) fixed on the side wall of the rack (14), and a guide rail (24) matched with the guide block (23) is fixed on the lower end of the machine body (1).

8. The pipe bender capable of bending at any angle according to claim 4, characterized in that: The side walls of the two clamping arms (1801) of the clamp (18) are formed with clamping grooves (1802) that match the metal tube.

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