CN112775226A - Machine head structure of pipe bending machine - Google Patents

Abstract

The invention discloses a machine head structure of a pipe bending machine, which comprises a supporting plate, wherein a pipe bending assembly is arranged on the supporting plate, the pipe bending assembly consists of a stepping motor, a first threaded rod, a transmission plate, a first nut, a rotating wheel, a positioning groove, a sliding block, a transverse plate, a first vertical plate, a second threaded rod, a second nut, a pipe bending wheel, a second vertical plate and a first lead screw, scales are arranged at the top of the supporting plate, and a limiting assembly and a positioning assembly are arranged on the supporting plate, wherein the limiting assembly is positioned on one side of the transmission plate; the limiting assembly is composed of a groove, a second lead screw, a transmission block and a limiting block, and the positioning assembly is composed of a placing groove, a dovetail slide rail, a slide seat, a positioning plate and a fixing bolt. According to the invention, the length of the pipeline can be positioned by arranging the positioning plate, so that multiple measurements are not required when the pipelines are processed in batches, and the processing efficiency of the machine head structure on the pipeline can be improved.

Description

Machine head structure of pipe bending machine

Technical Field

The invention relates to the technical field of pipe bending machines, in particular to a machine head structure of a pipe bending machine.

Background

The pipeline is a device which is connected by pipes, pipe connectors, valves and the like and used for conveying gas, liquid or fluid with solid particles, the fluid is pressurized by a blower, a compressor, a pump, a boiler and the like, flows from a high-pressure part to a low-pressure part of the pipeline, and can also be conveyed by utilizing the pressure or gravity of the fluid, the pipeline has wide application range and is mainly used for water supply, water drainage, heat supply, gas supply, long-distance petroleum and natural gas conveying, agricultural irrigation, hydraulic engineering and various industrial devices.

The pipeline need use the bending machine to carry out the tube bending in the course of working, and the aircraft nose structure of current bending machine does not possess the locate function to pipeline length when carrying out the return bend to the pipeline, and the efficiency when leading to batch return bend is lower. Therefore, the improvement is made, and the head structure of the pipe bender is provided.

Disclosure of Invention

In order to solve the technical problems, the invention provides the following technical scheme:

the invention relates to a machine head structure of a pipe bending machine, which comprises a supporting plate, wherein a pipe bending assembly is arranged on the supporting plate, the pipe bending assembly consists of a stepping motor, a first threaded rod, a transmission plate, a first nut, a rotating wheel, a positioning groove, a sliding block, a transverse plate, a first vertical plate, a second threaded rod, a second nut, a pipe bending wheel, a second vertical plate and a first lead screw, scales are arranged at the top of the supporting plate, and a limiting assembly and a positioning assembly are arranged on the supporting plate, wherein the limiting assembly is positioned on one side of the transmission plate;

the limiting assembly consists of a groove, a second screw rod, a transmission block and a limiting block, and the positioning assembly consists of a placing groove, a dovetail slide rail, a slide seat, a positioning plate and a fixing bolt;

the bottom of backup pad is provided with adjusting part, adjusting part comprises a base, a first pivot, two first bracing pieces, two spouts, a second pivot, a pneumatic cylinder, two second bracing pieces, two spacing grooves and two gag lever posts.

As a preferred technical scheme of the present invention, the stepping motor is fixedly installed at the bottom of the supporting plate, an output shaft of the stepping motor penetrates through the supporting plate, extends to the top of the supporting plate, and is fixedly connected with the bottom end of the first threaded rod, the transmission plate is fixedly sleeved on the outer surface of the first threaded rod, the rotating wheel is sleeved on the outer surface of the first threaded rod through the bearing, and the first nut is in threaded connection with the outer surface of the first threaded rod and is located above the rotating wheel.

As a preferred technical scheme of the invention, the positioning groove is formed in the middle of the transmission plate, the outer surface of the sliding block is connected with the inner wall of the positioning groove in a sliding manner, the transverse plate is fixedly mounted at the top of the sliding block, the first vertical plate and the second threaded rod are both fixedly mounted at the top of the transverse plate, the pipe bending wheel is sleeved on the outer surface of the second threaded rod through a bearing, and the second nut is in threaded connection with the outer surface of the second threaded rod and is positioned above the pipe bending wheel.

As a preferable technical scheme of the invention, the second vertical plate is fixedly arranged at the top of one side, away from the first threaded rod, of the transmission plate, the outer surface of the first lead screw is in threaded connection with the inner wall of the second vertical plate, and one end of the first lead screw is connected with the middle part, away from the pipe bending wheel, of the first vertical plate through a shaft.

As a preferred technical scheme of the invention, the groove is formed in the support plate, one end of the second lead screw is connected with the inner wall of one side of the groove through a bearing, the other end of the second lead screw penetrates through the support plate and extends to the outside of the support plate, and is fixedly connected with a hand wheel, the transmission block is in threaded connection with the outer surface of the second lead screw, the outer surface of the transmission block is in sliding connection with the inner wall of the groove, and the limit block is fixedly arranged at the top of the transmission block.

As a preferable technical solution of the present invention, the placement groove is formed in the support plate, the bottom of the dovetail slide rail is fixedly connected to the bottom of the cavity of the placement groove, the inner wall of the slide base is slidably connected to the outer surface of the dovetail slide rail, the positioning plate is fixedly mounted on the top of the slide base, the fixing bolt is in threaded connection with the top of the slide base, and the bottom end of the fixing bolt penetrates through the slide base and contacts with the top of the dovetail slide rail.

As a preferred technical scheme of the invention, two ends of the first rotating shaft are respectively and fixedly connected with inner walls at two sides of the base, the inner walls at one ends of the two first supporting rods are respectively sleeved with the outer surface of the first rotating shaft through bearings, the other ends of the two first supporting rods are respectively hinged with the bottoms of the supporting plates, and the two limiting rods are respectively and fixedly installed on the surfaces, far away from each other, of the two first supporting rods.

As a preferred technical scheme of the present invention, the two sliding grooves are respectively formed in two sides of the base, the second rotating shaft is inserted and connected between the two sliding grooves, the hydraulic cylinder is fixedly mounted at the bottom of the inner cavity of the base, a piston rod of the hydraulic cylinder is fixedly connected with the second rotating shaft, inner walls of one ends of the two second supporting rods are respectively sleeved with an outer surface of the second rotating shaft through a bearing, the other ends of the two second supporting rods are respectively hinged with the bottom of the supporting plate, the two limiting grooves are respectively formed in the two second supporting rods, and inner walls of the limiting grooves are slidably connected with inner walls of the limiting rods.

The invention has the beneficial effects that:

1. according to the machine head structure of the pipe bender, the length of the pipeline can be positioned by arranging the positioning plate, so that the pipeline does not need to be measured for many times when being processed in batch, and the processing efficiency of the machine head structure on the pipeline can be improved;

2. according to the head structure of the pipe bending machine, the fixing bolt is screwed to separate the fixing bolt from the dovetail slide rail and then push the positioning plate, so that the distance between the positioning plate and the rotating wheel can be adjusted according to the processing requirement of a pipeline, and the practicability of the head structure is improved;

3. according to the head structure of the pipe bender, the pipe can be limited when the pipe is bent by arranging the limiting block, and the position of the limiting block can be adjusted according to the diameter of the pipe by rotating the second screw rod, so that the limiting block can be suitable for pipes with different diameters;

4. according to the machine head structure of the pipe bending machine, the first vertical plate and the transverse plate can be driven to move by rotating the first lead screw, and the pipe bending wheel can be driven to move by the transverse plate, so that the distance between the pipe bending wheel and the diameter of the rotating wheel can be adjusted according to the diameter of a pipeline, the machine head structure can be suitable for pipelines with different diameters, the rotating wheel and the pipe bending wheel can be taken down after the first nut and the second nut are screwed off, and the rotating wheel and the pipe bending wheel can be maintained or replaced conveniently;

5. this kind of aircraft nose structure of bending machine promotes the second pivot through the pneumatic cylinder and removes, can adjust the height of backup pad to make this aircraft nose structure can be suitable for the staff of different heights, further improved the practicality of this aircraft nose structure.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural diagram of a head structure of a bending machine according to the present invention;

FIG. 2 is a schematic view of the tube bending assembly and positioning assembly of the head structure of the tube bender of the present invention;

FIG. 3 is a schematic view of the tube bending assembly of the head structure of the tube bender of the present invention;

FIG. 4 is a schematic structural diagram of a positioning plate of a head structure of a pipe bender according to the present invention;

FIG. 5 is a schematic structural view of a slide and a fixing bolt of a head structure of a pipe bender according to the present invention;

FIG. 6 is a schematic structural view of the driving plate and the sliding chute of the head structure of the tube bending machine according to the present invention;

fig. 7 is a schematic structural diagram of a bending wheel and a first lead screw of a head structure of the pipe bender.

In the figure: 1. branching; 24. fixing the bolt; 25. a base; 26. a first rotating shaft; 27. a first support bar; a supporting plate; 2. a stepping motor; 3. a first threaded rod; 4. a drive plate; 5. a first nut; 6. a rotating wheel; 7. a chute; 8. a slider; 9. a transverse plate; 10. a first vertical plate; 11. a second threaded rod; 12. a second nut; 13. a pipe bending wheel; 14. a second vertical plate; 15. a first lead screw; 16. a groove; 17. a second lead screw; 18. a transmission block; 19. a limiting block; 20. a placement groove; 21. a dovetail slide rail; 22. a slide base; 23. a positioning plate 28 and a chute; 29. a second rotating shaft; 30. a hydraulic cylinder; 31. a second support bar; 32. a limiting groove; 33. a limiting rod.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Example (b): as shown in fig. 1-7, the head structure of a pipe bender of the present invention comprises a supporting plate 1, a pipe bending assembly is arranged on the supporting plate 1, the pipe bending assembly is composed of a stepping motor 2, a first threaded rod 3, a transmission plate 4, a first nut 5, a rotating wheel 6, a positioning slot 7, a sliding block 8, a transverse plate 9, a first vertical plate 10, a second threaded rod 11, a second nut 12, a pipe bending wheel 13, a second vertical plate 14 and a first lead screw 15, scales are arranged on the top of the supporting plate 1, and a limit assembly located on one side of the transmission plate 4 and a positioning assembly located on one side of the limit assembly are arranged on the supporting plate 1;

the limiting assembly consists of a groove 16, a second screw rod 17, a transmission block 18 and a limiting block 19, and the positioning assembly consists of a placing groove 20, a dovetail slide rail 21, a slide seat 22, a positioning plate 23 and a fixing bolt 24;

the bottom of the supporting plate 1 is provided with an adjusting component, and the adjusting component is composed of a base 25, a first rotating shaft 26, two first supporting rods 27, two sliding grooves 28, a second rotating shaft 29, a hydraulic cylinder 30, two second supporting rods 31, two limiting grooves 32 and two limiting rods 33.

Wherein, step motor 2 fixed mounting is in the bottom of backup pad 1, step motor 2's output shaft runs through backup pad 1 and extends to backup pad 1's top and with the bottom fixed connection of first threaded rod 3, the fixed cover of driving plate 4 is established at the surface of first threaded rod 3, runner 6 passes through the bearing housing and establishes at the surface of first threaded rod 3, 5 threaded connection of first nut is at the surface of first threaded rod 3 and is located runner 6's top, step motor 2 is external to have controller and driver, driver and controller electric connection, controller and external power supply electric connection, the applicable model of step motor 2 is 110HCY160AL3S type step motor, the applicable model of controller is TPC8-8TD type controller, the applicable model of driver is 8594 type driver, can control step motor 2's rotational speed and turn to through controller and driver.

Wherein, the middle part at driving plate 4 is seted up to constant head tank 7, the surface of slider 8 and the inner wall sliding connection of constant head tank 7, diaphragm 9 fixed mounting is at the top of slider 8, the equal fixed mounting of first riser 10 and second threaded rod 11 is at the top of diaphragm 9, return bend wheel 13 passes through the bearing housing and establishes the surface at second threaded rod 11, 12 threaded connection of second nut are at the surface of second threaded rod 11 and are located the top of return bend wheel 13, can restrict the removal orbit of diaphragm 9 through mutually supporting of slider 8 and constant head tank 7, thereby it is more stable when making diaphragm 9 remove.

Wherein, the top of first threaded rod 3 one side is kept away from to second riser 14 fixed mounting at driving plate 4, the surface of first lead screw 15 and the inner wall threaded connection of second riser 14, the middle part that return bend wheel 13 one side was kept away from through axle and first riser 10 to the one end of first lead screw 15 links to each other, can drive first riser 10 and diaphragm 9 through rotating first lead screw 15 and remove, can drive return bend wheel 13 through diaphragm 9 and remove, thereby can be according to the distance of the diameter adjustment return bend wheel 13 of pipeline and the 6 diameters of runner, and then make this aircraft nose structure can be suitable for the pipeline of different diameters, can take off runner 6 and return bend wheel 13 after twisting first nut 5 and second nut 12, thereby can be convenient for maintain or change runner 6 and return bend wheel 13.

Wherein, the inside at backup pad 1 is seted up to recess 16, the one end of second lead screw 17 is passed through the bearing and is linked to each other with the inner wall of recess 16 one side, the other end of second lead screw 17 runs through backup pad 1 and extends to the outside and the fixedly connected with hand wheel of backup pad 1, transmission block 18 threaded connection is at the surface of second lead screw 17, the surface of transmission block 18 and the inner wall sliding connection of recess 16, stopper 19 fixed mounting is at the top of transmission block 18, can restrict the pipeline when the return bend through setting up stopper 19, it can be according to the position of the diameter adjustment stopper 19 of pipeline to rotate second lead screw 17, thereby make stopper 19 can be suitable for the pipeline of different diameters.

Wherein, standing groove 20 is seted up in backup pad 1, the bottom of forked tail slide rail 21 and the bottom fixed connection of the 20 inner chambers of standing groove, the inner wall of slide 22 and the surface sliding connection of forked tail slide rail 21, locating plate 23 fixed mounting is at the top of slide 22, fixing bolt 24 and the top threaded connection of slide 22, fixing bolt 24's bottom run through slide 22 and with the top contact of forked tail slide rail 21, can fix a position the length of pipeline through setting up locating plate 23, thereby need not to measure many times when processing the pipeline in batches, can improve the machining efficiency of this aircraft nose structure to the pipeline.

Wherein, the both ends of first pivot 26 respectively with the inner wall fixed connection of base 25 both sides, the inner wall of two first bracing piece 27 one ends all cup joints through bearing and first pivot 26's surface, the other end of two first bracing piece 27 all is articulated with backup pad 1's bottom, two gag lever post 33 respectively fixed mounting in the one side of keeping away from each other of two first bracing piece 27, can link together first bracing piece 27 and second bracing piece 31 under the cooperation of spacing groove 32 through setting up gag lever post 33, thereby make between first bracing piece 27 and the second bracing piece 31 can intersect and more stable.

Wherein, the two chutes 28 are respectively arranged on two sides of the base 25, the second rotating shaft 29 is inserted between the two chutes 28, the hydraulic cylinder 30 is fixedly arranged at the bottom of the inner cavity of the base 25, the piston rod of the hydraulic cylinder 30 is fixedly connected with the second rotating shaft 29, the inner walls of one ends of the two second supporting rods 31 are respectively sleeved with the outer surface of the second rotating shaft 29 through a bearing, the other ends of the two second supporting rods 31 are respectively hinged with the bottom of the supporting plate 1, the two limiting grooves 32 are respectively arranged on the two second supporting rods 31, the inner walls of the limiting grooves 32 are connected with the inner walls of the limiting rods 33 in a sliding way, the second rotating shaft 29 is pushed by the hydraulic cylinder 30 to move, the height of the supporting plate 1 can be adjusted, thereby make this aircraft nose structure can be suitable for the staff of different heights, further improved the practicality of this aircraft nose structure, the model that pneumatic cylinder 30 is applicable is SC100 type pneumatic cylinder, and pneumatic cylinder 30 links to each other with external hydraulic pressure station.

When the device works, firstly, the hydraulic cylinder 30 is started, the hydraulic cylinder 30 pushes the second rotating shaft 29 to move, the top ends of the first supporting rod 27 and the second supporting rod 31 are driven to ascend or descend by the mutual matching of the second rotating shaft 29, the limiting rod 33 and the limiting groove 32, the supporting plate 1 is driven to ascend or descend by the first supporting rod 27 and the second supporting rod 31, then the height of the supporting plate 1 is adjusted according to the actual condition of the height of a worker, then the fixing bolt 24 is unscrewed and the positioning plate 23 is pushed, the distance between the positioning plate 23 and the transmission plate 4 is adjusted according to the pipeline processing requirement, the fixing bolt 24 is screwed after the adjustment is finished, the position of the sliding seat 22 is fixed through the fixing bolt 24, namely, the position of the positioning plate 23 is fixed, then the second screw rod 17 is rotated, the transmission block 18 and the limiting block 19 are driven to move by the rotation of the second screw rod 17, and then the position of the, then rotate first lead screw 15, drive first riser 10 through first lead screw 15 and remove, drive return bend wheel 13 through first riser 10 and remove, thereby adjust the distance between return bend wheel 13 and runner 6 according to the time condition of pipeline, then arrange the pipeline between runner 6 and return bend wheel 13, and make the pipeline contact with stopper 19 and locating plate 23, then start step motor 2, take first threaded rod 3 and driving plate 4 to the direction of keeping away from stopper 19 through step motor 2, drive return bend wheel 13 through driving plate 4 and rotate around runner 6, thereby carry out the return bend to the pipeline, the aircraft nose structure of this kind of bending machine, can fix a position the length of pipeline through setting up locating plate 23, thereby need not to measure many times when processing the pipeline in batches, can improve the machining efficiency of this aircraft nose structure to the pipeline, twist fixing bolt 24 and promote locating plate 23 after fixing bolt 24 separates with slide rail 21 and can adjust the locating plate according to the processing requirement adjustment locating plate of pipeline locating plate 23 of forked tail slide rail 23 and the turning wheel 6, the practicability of the machine head structure is improved, the pipeline can be limited when the pipe is bent by arranging the limiting block 19, the position of the limiting block 19 can be adjusted according to the diameter of the pipeline by rotating the second lead screw 17, so that the limiting block 19 can be suitable for the pipelines with different diameters, the first vertical plate 10 and the transverse plate 9 can be driven to move by rotating the first lead screw 15, the pipe bending wheel 13 can be driven to move by the transverse plate 9, the distance between the pipe bending wheel 13 and the diameter of the turning wheel 6 can be adjusted according to the diameter of the pipeline, so that the machine head structure can be suitable for the pipelines with different diameters, the turning wheel 6 and the pipe bending wheel 13 can be taken down after the first nut 5 and the second nut 12 are screwed off, so that the turning wheel 6 and the pipe bending wheel 13 can be maintained or replaced conveniently, the hydraulic cylinder 30 pushes the second rotating shaft 29 to move, thereby make this aircraft nose structure can be suitable for the staff of different heights, further improved the practicality of this aircraft nose structure.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. The machine head structure of the pipe bending machine is characterized by comprising a supporting plate (1), wherein a pipe bending assembly is arranged on the supporting plate (1), the pipe bending assembly consists of a stepping motor (2), a first threaded rod (3), a transmission plate (4), a first nut (5), a rotating wheel (6), a positioning groove (7), a sliding block (8), a transverse plate (9), a first vertical plate (10), a second threaded rod (11), a second nut (12), a pipe bending wheel (13), a second vertical plate (14) and a first lead screw (15), scales are arranged at the top of the supporting plate (1), and a limiting assembly and a positioning assembly are arranged on the supporting plate (1), wherein the limiting assembly is located on one side of the transmission plate (4);

the limiting assembly consists of a groove (16), a second screw rod (17), a transmission block (18) and a limiting block (19), and the positioning assembly consists of a placing groove (20), a dovetail slide rail (21), a slide seat (22), a positioning plate (23) and a fixing bolt (24);

the bottom of backup pad (1) is provided with adjusting part, adjusting part comprises a base (25), a first pivot (26), two first bracing pieces (27), two spout (28), a second pivot (29), a pneumatic cylinder (30), two second bracing pieces (31), two spacing grooves (32) and two gag lever posts (33).

2. The head structure of a pipe bender according to claim 1, wherein the stepping motor (2) is fixedly installed at the bottom of the supporting plate (1), the output shaft of the stepping motor (2) penetrates through the supporting plate (1) and extends to the top of the supporting plate (1) and is fixedly connected with the bottom end of the first threaded rod (3), the transmission plate (4) is fixedly sleeved on the outer surface of the first threaded rod (3), the rotating wheel (6) is sleeved on the outer surface of the first threaded rod (3) through a bearing, and the first nut (5) is in threaded connection with the outer surface of the first threaded rod (3) and is located above the rotating wheel (6).

3. The head structure of a pipe bender according to claim 1, wherein the positioning slot (7) is opened in the middle of the transmission plate (4), the outer surface of the slider (8) is slidably connected with the inner wall of the positioning slot (7), the horizontal plate (9) is fixedly installed on the top of the slider (8), the first vertical plate (10) and the second threaded rod (11) are both fixedly installed on the top of the horizontal plate (9), the pipe bending wheel (13) is sleeved on the outer surface of the second threaded rod (11) through a bearing, and the second nut (12) is threadedly connected on the outer surface of the second threaded rod (11) and located above the pipe bending wheel (13).

4. The head structure of a pipe bender according to claim 1, wherein the second vertical plate (14) is fixedly mounted on the top of the side of the transmission plate (4) away from the first threaded rod (3), the outer surface of the first lead screw (15) is in threaded connection with the inner wall of the second vertical plate (14), and one end of the first lead screw (15) is connected with the middle part of the side of the first vertical plate (10) away from the pipe bending wheel (13) through a shaft.

5. The head structure of a pipe bender according to claim 1, wherein the groove (16) is opened inside the supporting plate (1), one end of the second lead screw (17) is connected with the inner wall of one side of the groove (16) through a bearing, the other end of the second lead screw (17) penetrates through the supporting plate (1) and extends to the outside of the supporting plate (1) and is fixedly connected with a hand wheel, the transmission block (18) is screwed on the outer surface of the second lead screw (17), the outer surface of the transmission block (18) is slidably connected with the inner wall of the groove (16), and the limit block (19) is fixedly installed at the top of the transmission block (18).

6. The head structure of a pipe bender according to claim 1, characterized in that the placing groove (20) is opened in the supporting plate (1), the bottom of the dovetail slide rail (21) is fixedly connected with the bottom of the inner cavity of the placing groove (20), the inner wall of the sliding base (22) is slidably connected with the outer surface of the dovetail slide rail (21), the positioning plate (23) is fixedly installed on the top of the sliding base (22), the fixing bolt (24) is in threaded connection with the top of the sliding base (22), and the bottom end of the fixing bolt (24) penetrates through the sliding base (22) and contacts with the top of the dovetail slide rail (21).

7. The head structure of a bending machine according to claim 1, wherein both ends of the first rotating shaft (26) are fixedly connected to the inner walls of both sides of the base (25), the inner walls of one ends of the two first supporting rods (27) are respectively sleeved on the outer surface of the first rotating shaft (26) through bearings, the other ends of the two first supporting rods (27) are respectively hinged to the bottom of the supporting plate (1), and the two limiting rods (33) are respectively and fixedly mounted on the surfaces of the two first supporting rods (27) away from each other.

8. The head structure of a pipe bender according to claim 1, wherein two sliding grooves (28) are respectively formed on two sides of a base (25), the second rotating shaft (29) is inserted between the two sliding grooves (28), the hydraulic cylinder (30) is fixedly mounted at the bottom of an inner cavity of the base (25), a piston rod of the hydraulic cylinder (30) is fixedly connected with the second rotating shaft (29), inner walls of one ends of two second supporting rods (31) are respectively sleeved with the outer surface of the second rotating shaft (29) through bearings, the other ends of the two second supporting rods (31) are respectively hinged to the bottom of the supporting plate (1), two limiting grooves (32) are respectively formed on the two second supporting rods (31), and inner walls of the limiting grooves (32) are slidably connected with inner walls of the limiting rods (33).

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