CN112297080B

CN112297080B - Pipe cutting machine for producing wire harnesses

Info

Publication number: CN112297080B
Application number: CN202011043777.8A
Authority: CN
Inventors: 安光旭
Original assignee: Beijing Nittan Electronics Co ltd
Current assignee: Beijing Nittan Electronics Co ltd
Priority date: 2020-09-28
Filing date: 2020-09-28
Publication date: 2022-08-23
Anticipated expiration: 2040-09-28
Also published as: CN112297080A

Abstract

The utility model relates to a production pipe cutting machine for pencil relates to the field of pencil production facility, comprises a workbench, be provided with the pipe cutting subassembly on the workstation, the pipe cutting subassembly includes the rectangle and the carriage of fixed joint on the workstation, carriage and the last surface vertical of workstation, and set up the spout of laying along the direction of height of carriage in the one side of carriage direction of height, it is connected with the slider to slide in the spout, the rigid coupling has the cutting knife that the cutting knife laid down and along carriage length direction on the slider, still be provided with the driving piece that is used for driving the cutting knife to realize reciprocating motion from top to bottom on the carriage, one side of pipe cutting subassembly is provided with the material loading subassembly that is used for driving the material pipe to pipe cutting subassembly operation, the subaerial pipe laying subassembly that is used for releasing the material pipe that still is provided with of workstation one side. It has the advantage that can cut many material pipes simultaneously.

Description

Pipe cutting machine for producing wire harnesses

Technical Field

The application relates to the field of wire harness production equipment, in particular to a pipe cutting machine for producing wire harnesses.

Background

At present, in the production process of the wire harness, the wire harness is often required to be cut for a pipeline, so that the wire harness becomes small sections with required lengths. The existing pipe cutting machine can only cut one pipeline at a time, when large batches of pipelines need to be cut, the existing pipe cutting machine is low in efficiency, the number of the pipe cutting machine can only be increased under the condition, the number of the pipe cutting machine is increased, the production cost is increased, and the occupied space of equipment is increased.

Disclosure of Invention

In order to provide a pipe cutting machine that can cut many pipelines simultaneously, the application provides a pipe cutting machine for production pencil.

The application provides a production pipe cutting machine for pencil adopts following technical scheme:

the utility model provides a production pipe cutting machine for pencil, comprises a workbench, be provided with the pipe cutting subassembly on the workstation, the pipe cutting subassembly includes the rectangle and the fixed carriage that connects on the workstation, the upper surface of carriage and workstation is perpendicular, and set up the spout of laying along the direction of height of carriage in the one side of carriage direction of height, it is connected with the slider to slide in the spout, the rigid coupling has the cutting knife that the cutting knife laid down and along carriage length direction on the slider, still be provided with the driving piece that is used for driving the cutting knife to realize up-and-down motion on the carriage, one side of pipe cutting subassembly is provided with the material loading subassembly that is used for driving the material pipe to pipe cutting subassembly operation, the subaerial pipe subassembly that puts that is used for releasing the material pipe that still is provided with of workstation one side.

Through adopting above-mentioned technical scheme, the staff is when cutting the material pipe, and many material pipes are laid in the carriage along the length direction of carriage in proper order, and reciprocating motion can accomplish the cutting of many material pipes simultaneously about the cutting knife this moment to make the cutting efficiency of material pipe higher.

Preferably, the driving part comprises a first motor fixedly connected to the upper surface of the supporting frame, a rotating plate parallel to the cutting knife is fixedly connected to an output shaft of the first motor, a connecting plate is arranged between the rotating plate and the cutting knife, and two ends of the connecting plate are respectively hinged to the rotating plate and the cutting knife.

Through adopting above-mentioned technical scheme, first motor drives the reciprocating motion of upper and lower circulation through commentaries on classics board and connecting plate drive cutting knife realization.

Preferably, the feeding assembly is arranged along the length direction of the supporting frame and comprises two mounting rods vertically fixedly connected to the upper surface of the workbench, an upper roller and a lower roller which are arranged in parallel are rotatably connected between the two mounting rods, a second motor for driving the upper roller and the lower roller to rotate is fixedly connected to the mounting rods, and the plurality of material pipes are clamped between the upper roller and the lower roller.

Through adopting above-mentioned technical scheme, many material pipes wear to establish between last cylinder and lower cylinder, go up the cylinder and turn to the opposite under the drive of second motor with lower cylinder, go up cylinder and the continuous drive material pipe of roller down under the effect of frictional force and move towards the pipe cutting subassembly.

Preferably, the pipe placing assembly comprises two vertically arranged supporting rods, the upper end faces of the supporting rods are provided with mounting grooves, slide rods are connected in the mounting grooves in a sliding manner, pushing pieces for pushing the slide rods to move up and down are arranged between the slide rods and the bottom walls of the mounting grooves, the top ends of the slide rods are fixedly connected with a mounting seat, rotating shafts are connected in the mounting seat in a rotating manner, a third motor for driving the rotating shafts to rotate is further fixedly connected to the top ends of the slide rods, the two rotating shafts are coaxially arranged, one ends of the two rotating shafts facing each other are connected with connecting pipes in a sliding manner, sliding grooves distributed along the length direction of the rotating shafts are formed in the outer peripheral surfaces of the rotating shafts, sliding blocks are fixedly connected to the inner peripheral surfaces of the connecting pipes in a sliding manner, connecting rods are arranged between the two connecting pipes, two ends of the connecting rods are respectively penetrated into the two connecting pipes, and the connecting rods and are fixed through penetrating fixing bolts, the rigid coupling has the stopper on the outer peripheral face of connecting rod, and the cover is equipped with a plurality of wind-up rolls on the outer peripheral face of connecting rod, has seted up the spacing groove on the inner peripheral surface of wind-up roll, and the stopper slides and connects at the spacing inslot.

Through adopting above-mentioned technical scheme, when cutting a tub subassembly and material loading subassembly work, it rotates to put third motor drive connecting rod and a plurality of wind-up roll on the pipe subassembly, thereby realize putting the pipe, when the material pipe on the wind-up roll was put simultaneously, staff control pneumatic cylinder makes the piston rod shrink of pneumatic cylinder, and then make wind-up roll and base contact, then dismantle the fixing bolt between connecting pipe and the connecting rod, then the connecting pipe of sliding connection pole both ends position department, make the connecting pipe break away from the connecting rod, later make it break away from between two support rods at the wind-up roll, it can to change the wind-up roll at last, make the change convenience more of wind-up roll like this.

Preferably, the workbench is provided with a control panel for controlling the pipe cutting assembly, the feeding assembly and the pipe placing assembly.

Through adopting above-mentioned technical scheme, control panel passes through the rotational speed of electricity program control first motor, second motor and third motor to can control material pipe translation rate, and the frequency of cutting knife up-and-down reciprocating motion, and then can realize the cutting of the different length of material pipe.

Preferably, a plurality of annular grooves are formed in the outer peripheral surfaces of the upper roller and the lower roller, the cross sections of the grooves are arc-shaped, anti-skid stripes are arranged in the grooves, the grooves in the upper roller correspond to the grooves in the lower roller one by one, two grooves which correspond to each other form a groove group, and the groove groups are uniformly distributed along the length direction of the supporting frame.

Through adopting above-mentioned technical scheme, make the motion track of material pipe between last cylinder and lower cylinder more accurate and mutually noninterfere.

Preferably, a plurality of guide pipes are fixedly connected to the inner peripheral surface of the supporting frame, the guide pipes are arranged along the moving direction of the material pipe, the guide pipes correspond to the groove groups one to one, and one side, away from the groove groups, of each guide pipe is flush with one side, away from the feeding assembly, of the supporting frame.

Through adopting above-mentioned technical scheme, can enter into the stand pipe when the material pipe stretches out from the material loading subassembly in, the stand pipe can carry on spacingly to the material pipe, takes place the bending when avoiding the material pipe to stretch out from the material loading subassembly as far as to influence the cutting accuracy of material pipe.

Preferably, a trumpet-shaped guide hopper is fixedly connected to one end, facing the groove group, of the guide pipe, and the diameter of the guide hopper is gradually reduced from the groove group to the direction of the guide pipe.

Through adopting above-mentioned technical scheme, when the material pipe stretches out from the material loading subassembly, the direction is fought and can be carried on spacingly to the material pipe, avoids the material pipe to receive self gravity or other factors to lead to unable and material pipe alignment as far as.

Preferably, be provided with the reinforced subassembly parallel with the material loading subassembly on the workstation between material loading subassembly and the wind-up roll, reinforced subassembly is including installing the frame additional, install the frame additional through the upper surface of many spinal branch rigid couplings in the table, install the frame additional and deviate from material loading subassembly one side internal diameter border and seted up the fixed slot, the sliding is connected with fixed frame in the fixed slot, a plurality of grooves of installing additional have all been seted up on the upper wall of fixed frame inner peripheral surface and the lower wall, a plurality of grooves one-to-one formation of installing additional on fixed frame upper wall and the lower wall installs the bank of cells additional, a plurality of grooves of installing additional group and a plurality of groove group one-to-ones, install the internal rotation of cell additional and be connected with spacing wheel, spacing wheelset in the same groove of installing additional satisfies the material pipe and lasts towards the material loading subassembly operation.

Through adopting above-mentioned technical scheme, when the staff wears to establish many material pipes between last cylinder and lower drum, the staff can realize many material pipes simultaneously through reinforced subassembly and wear to establish between last cylinder and lower drum.

Preferably, the limiting wheel comprises a rotating rod, the rotating rod is rotatably connected with a rotating wheel, a connecting cavity is formed in the rotating wheel, a ratchet wheel is arranged on the rotating shaft in the connecting cavity, and a pawl matched with the ratchet wheel is hinged to the inner wall of the connecting cavity.

Through adopting above-mentioned technical scheme, make spacing round can only rotate towards a direction, when the material pipe wears to establish between two spacing rounds, the material pipe can only move towards the direction of material loading subassembly.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the supporting frame is arranged on the pipe cutting assembly, the cutting knife is arranged on the supporting frame, the feeding assembly is arranged on one side of the pipe cutting assembly, the discharging assembly is arranged on one side of the feeding assembly, which is away from the pipe cutting assembly, when an operator cuts the material pipes, the plurality of material pipes are sequentially arranged in the supporting frame along the length direction of the supporting frame, and at the moment, the cutting knife reciprocates up and down to simultaneously cut the plurality of material pipes, so that the cutting efficiency of the material pipes is higher;

2. the control panel used for controlling the pipe cutting assembly, the feeding assembly and the pipe placing assembly is arranged on the workbench. The control panel controls the rotating speeds of the first motor, the second motor and the third motor through an electrical program, so that the moving speed of the material pipe and the frequency of the vertical reciprocating motion of the cutting knife can be controlled, and the cutting of the material pipe with different lengths can be realized;

3. through setting up reinforced subassembly between material loading subassembly and blowing subassembly, the staff is wearing to establish many material pipes between last cylinder and lower drum, and the staff can realize many material pipes simultaneously wearing to establish between last cylinder and lower drum through reinforced subassembly.

Drawings

FIG. 1 is a schematic view of the external structure of the pipe cutting machine of the present embodiment;

FIG. 2 is a schematic view showing the structure of each part on the upper surface of the worktable in the present embodiment;

FIG. 3 is a schematic view showing the structure of the cutting and feeding assemblies in this embodiment;

FIG. 4 is a schematic view showing the configuration of the outline of the cutting blade in the present embodiment;

FIG. 5 is a schematic view showing the outline structure of the dispensing assembly in this embodiment;

FIG. 6 is a schematic view showing the inner structure of the pressure-receiving lever according to the present embodiment;

FIG. 7 is a schematic view of the connection structure between the protruded connection tube and the rotation shaft in the present embodiment;

FIG. 8 is a schematic view of a layout structure of the salient limit grooves on the wind-up roll in the present embodiment;

FIG. 9 is a schematic view showing the configuration of the feeding unit according to this embodiment;

FIG. 10 is a schematic view showing the inner structure of the cam according to this embodiment.

Description of reference numerals: 1. a work table; 11. a platen; 12. a support bar; 2. cutting the pipe assembly; 21. a support frame; 211. a chute; 22. a cutting knife; 221. a slider; 3. a drive member; 31. a first motor; 311. rotating the plate; 32. a connecting plate; 4. a feeding assembly; 41. mounting a rod; 42. an upper roller; 43. a lower roller; 44. a second motor; 45. a groove; 451. anti-skid stripes; 5. placing the pipe assembly; 51. a base; 52. a support rod; 521. mounting grooves; 53. a hydraulic cylinder; 54. a slide bar; 55. a mounting base; 551. a rotating shaft; 5511. a sliding groove; 56. a third motor; 57. a connecting pipe; 571. a sliding block; 58. a connecting rod; 581. a limiting block; 59. a wind-up roll; 591. a limiting groove; 5911. a material pipe; 6. a control panel; 7. a guide tube; 71. a guide hopper; 8. a feeding assembly; 81. adding a frame; 811. fixing grooves; 82. a fixing frame; 821. adding a groove; 9. a limiting wheel; 91. a rotating rod; 911. a ratchet wheel; 92. a rotating wheel; 921. a connecting cavity; 9211. a pawl.

Detailed Description

The present application is described in further detail below with reference to figures 1-10.

Referring to fig. 1 and 2, the embodiment of the application discloses a pipe cutting machine for producing wire harnesses, the pipe cutting machine comprises a workbench 1 vertically arranged on the ground, the workbench 1 comprises a horizontally arranged bedplate 11, and four corners of the lower surface of the bedplate 11 are fixedly connected with supporting rods 12 for supporting the bedplate 11 on the ground. The upper surface of the bedplate 11 is provided with a pipe cutting assembly 2.

With reference to fig. 3 and 4, in particular, the pipe cutting assembly 2 includes a rectangular support frame 21 fixedly connected to the platen 11, the support frame 21 is perpendicular to the platen 11, two sliding grooves 211 having a T-shaped cross section are formed in one side of the support frame 21 in the height direction, the sliding grooves 211 are arranged in the height direction of the support frame 21, sliding blocks 221 are slidably connected in the sliding grooves 211, a cutting knife 22 is fixedly connected between the two sliding blocks 221, and the cutting edge of the cutting knife 22 is arranged downward.

Still be provided with on the workstation 1 and be used for driving cutting knife 22 to realize reciprocating motion's driving piece 3 from top to bottom, driving piece 3 includes the first motor 31 of rigid coupling at the carriage 21 upper surface particularly, the rigid coupling has commentaries on classics board 311 on the first motor 31 output shaft, it is parallel to each other with cutting knife 22 to change board 311, change the one side that board 311 deviates from first motor 31 and the one side parallel and level that cutting knife 22 deviates from carriage 21, it is provided with connecting plate 32 to change between board 311 and the cutting knife 22, the both ends of connecting plate 32 are articulated with commentaries on classics board 311 and cutting knife 22 respectively. The first motor 31 drives the rotating plate 311 to rotate, and the rotating plate 311 drives the cutting knife 22 to reciprocate up and down through the connecting plate 32 while rotating.

The workbench 1 is further provided with a feeding assembly 4, the feeding assembly 4 comprises two mounting rods 41 vertically fixedly connected to the upper surface of the bedplate 11, an upper roller 42 and a lower roller 43 which are arranged in parallel are rotatably connected between the two mounting rods 41, and the upper roller 42 and the lower roller 43 are arranged along the length direction of the supporting frame 21. A second motor 44 for driving the upper roller 42 and the lower roller 43 to rotate is fixed to the mounting rod 41.

Referring to fig. 5 and 6, a pipe placing assembly 5 is arranged on the ground, specifically, the pipe placing assembly 5 includes a base 51 horizontally arranged on the ground, two vertically arranged support rods 52 are fixedly connected to the upper surface of the base 51, an installation groove 521 arranged along the length direction of the support rod 52 is formed in the upper end surface of the support rod 52, a pushing member arranged along the length direction of the support rod 52 is fixedly connected to the bottom wall of the installation groove 521, a hydraulic cylinder 53 is selected as the pushing member, a sliding rod 54 matched with the installation groove 521 is arranged right above the hydraulic cylinder 53, the sliding rod 54 is connected in the installation groove 521 in a sliding manner, the bottom end of the sliding rod 54 is fixedly connected to the top end of the hydraulic cylinder 53, a mounting seat 55 is fixedly connected to the top end of the sliding rod 54, a rotating shaft 551 is rotatably connected to the mounting seat 55, and a third motor 56 for driving the rotating shaft 551 is further fixedly connected to the top end of the sliding rod 54. The rotating shafts 551 on the two sliding rods 54 are coaxially arranged.

Referring to fig. 6 and 7, the connecting pipe 57 is slidably connected to each of the facing ends of the two rotating shafts 551, the sliding grooves 5511 are formed in the outer circumferential surface of the rotating shaft 551, the sliding grooves 5511 are arranged along the length direction of the rotating shaft 551, the inner circumferential surface of the connecting pipe 57 is fixedly connected to a plurality of sliding blocks 571, and the sliding blocks 571 are slidably connected in the sliding grooves 5511, respectively. A connecting rod 58 is arranged between the two connecting pipes 57, two ends of the connecting rod 58 are respectively arranged in the two connecting pipes 57 in a penetrating way, and the connecting rod 58 and the connecting pipes 57 are fixed through penetrating and arranging fixing bolts. A plurality of strip-shaped limit blocks 581 are fixedly connected to the outer peripheral surface of the connecting rod 58, the limit blocks 581 are arranged at equal angles along the axis of the connecting rod 58, and the limit blocks 581 are arranged along the length direction of the connecting rod 58. A plurality of wind-up rolls 59 are fitted over the outer peripheral surface of the connecting rod 58.

Referring to fig. 8, a plurality of limiting grooves 591 are formed in the inner circumferential surface of the wind-up roller 59, and a plurality of limiting blocks 581 are slidably connected in the plurality of limiting grooves 591, respectively.

When the pipe cutting assembly 2 and the feeding assembly 4 work, the third motor 56 on the pipe discharging assembly 5 drives the connecting rod 58 and the plurality of winding rollers 59 to rotate, so that pipe discharging is achieved, meanwhile, when the material pipe 5911 on the winding rollers 59 is discharged, a worker controls the hydraulic cylinder 53 to enable the piston rod of the hydraulic cylinder 53 to contract, the winding rollers 59 are further made to be in contact with the base 51, then the fixing bolts between the connecting pipe 57 and the connecting rod 58 are disassembled, then the connecting pipes 57 at the positions of the two ends of the connecting rod 58 are slid, the connecting pipe 57 is made to be separated from the connecting rod 58, then the winding rollers 59 are made to be separated from the two supporting rods 52 in a rolling mode, and finally the winding rollers 59 are replaced.

Referring to fig. 1, a control panel 6 is provided on the table 1. The control panel 6 controls the rotation speed of the first motor 31 and the second motor 44 through an electrical program, so that the moving speed of the material pipe 5911 and the frequency of the up-and-down reciprocating motion of the cutting knife 22 can be controlled, and the cutting of the material pipe 5911 with different lengths can be realized.

When the pipeline cutting is performed, a worker firstly inserts the cutting ends of the material pipe 5911 of the plurality of winding rollers 59 between the upper roller 42 and the lower roller 43, the upper roller 42 and the lower roller 43 generate clamping force on the material pipe 5911, the upper roller 42 and the lower roller 43 drive the material pipe 5911, the cutting ends move towards the supporting frame 21, and when the material pipe 5911 reaches the position right below the cutting knife 22, the cutting knife 22 cuts the material pipe 5911.

Referring to fig. 3, further, in order to enable the movement track of the material pipe 5911 between the upper roller 42 and the lower roller 43 to be more accurate and not to interfere with each other, a plurality of annular grooves 45 are formed in the outer circumferential surfaces of the upper roller 42 and the lower roller 43, the cross sections of the grooves 45 are arc-shaped, anti-slip stripes 451 are added in the grooves 45, the friction force between the grooves 45 and the material pipe 5911 can be increased by the anti-slip stripes 451, meanwhile, the grooves 45 on the upper roller 42 and the grooves 45 on the lower roller 43 are in one-to-one correspondence, two grooves 45 corresponding to each other form a groove 45 group, and the groove 45 groups are uniformly arranged along the length direction of the supporting frame 21.

The lower wall of the inner peripheral surface of the supporting frame 21 is fixedly connected with a plurality of guide pipes 7, the guide pipes 7 are arranged along the moving direction of the material pipe 5911, and the guide pipes 7 correspond to the plurality of grooves 45 in a one-to-one mode. One side of the guide pipe 7 departing from the groove 45 group is flush with one side of the support frame 21 departing from the feeding assembly 4. One end of the guide pipe 7 facing the group of the grooves 45 is fixedly connected with a trumpet-shaped guide hopper 71, and the diameter of the guide hopper 71 is gradually reduced from the group of the grooves 45 to the direction of the guide pipe 7.

When the material pipe 5911 stretches out from the feeding assembly 4, the material pipe 5911 can enter the guide pipe 7, the guide pipe 7 can limit the material pipe 5911, and the material pipe 5911 is prevented from bending when stretching out from the feeding assembly 4 as far as possible, so that the cutting accuracy of the material pipe 5911 is affected. In addition, when the material pipe 5911 extends out of the feeding assembly 4, the guide bucket 71 can limit the material pipe 5911, so that the problem that the material pipe 5911 cannot be aligned with the material pipe 5911 due to self gravity or other factors is avoided as much as possible.

Referring to fig. 2, when a worker installs a plurality of material pipes 5911 on a take-up roller 59 between an upper roller 42 and a lower roller 43, the worker needs to put one material pipe 5911 between the upper roller 42 and the lower roller 43, in this process, in order to ensure that the material pipe 5911 can be smoothly inserted between the upper roller 42 and the lower roller 43, the second motor 44 needs to be kept in a working state, when the second motor 44 is started, the third motor 56 also needs to be started to discharge the material pipe 5911, otherwise, the material pipe 5911 already inserted in the upper roller 42 and the lower roller 43 cannot move because the third motor 56 is not started, and at this time, a large friction is generated between the material pipe 5911 and the feeding assembly 4. However, if the third motor 56 is driven, but the material pipes 5911 are placed between the upper roller 42 and the lower roller 43 one by one, because the emptying assembly is running all the time, the plurality of take-up rollers 59 are emptying continuously at the same time, and there is a time difference when the material pipes 5911 are placed into the feeding assembly 4 one by one, and more excess materials are generated between the take-up rollers 59 and the feeding assembly 4. For this purpose, a feeding assembly 8 is arranged on the table 1 between the feeding assembly 4 and the take-up roller 59.

Referring to fig. 9 and 10, specifically, the feeding assembly 8 includes an installing frame 81, the installing frame 81 is fixedly connected to the upper surface of the table through a plurality of support rods, a fixing groove 811 is formed on an inner diameter edge of one side of the installing frame 81, which is away from the feeding assembly 4, a fixing frame 82 which is matched with the installing frame 81 is slidably connected in the fixing groove 811, a plurality of installing grooves 821 are respectively formed on an upper wall and a lower wall of an inner circumferential surface of the fixing frame 82, the installing grooves 821 on the upper wall and the lower wall of the fixing frame 821 correspond to each other one by one to form an installing groove 821 group, the installing groove 821 groups correspond to the groove 45 groups one by one to one, a limiting wheel 9 is fixedly connected in the installing groove 821, the limiting wheel 9 includes a rotating rod 91, two ends of the rotating rod 91 are respectively and fixedly connected in the installing grooves 821, a rotating wheel 92 is rotatably connected on the rotating rod 91, a circular connecting cavity 921 is arranged in the rotating wheel 92, a ratchet wheel 911 is arranged on a rotating shaft 551 in the connecting cavity 921, a pawl 9211 matched with the ratchet wheel 911 is hinged on an inner wall of the corresponding connecting cavity 921, the limiting wheel 9 can only move towards one direction through the matching of the ratchet 911 and the pawl 9211. Before the plurality of material pipes 5911 are arranged between the upper roller 42 and the lower roller 43 in a penetrating manner, a worker firstly arranges the plurality of material pipes 5911 between the plurality of sets of limiting wheels 9 in a penetrating manner, then the worker connects the fixing frame 82 in the installing frame 81 in a sliding manner, and at the moment, the cutting ends of the plurality of material pipes 5911 enter between the upper roller 42 and the lower roller 43 at the same time. And the limiting wheel 9 group can meet the requirement that the material pipe 5911 continuously runs towards the feeding assembly 4.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a production pipe cutting machine for pencil which characterized in that: comprises a workbench (1), a pipe cutting component (2) is arranged on the workbench (1), the pipe cutting component (2) comprises a rectangular supporting frame (21) which is fixedly connected on the workbench (1), the supporting frame (21) is vertical to the upper surface of the workbench (1), one side of the supporting frame (21) in the height direction is provided with a sliding groove (211) which is distributed along the height direction of the supporting frame (21), the sliding groove (211) is connected with a sliding block (221) in a sliding mode, the sliding block (221) is fixedly connected with a cutting knife (22) which is downward in cutting edge and is distributed along the length direction of the supporting frame (21), the supporting frame (21) is further provided with a driving piece (3) which is used for driving the cutting knife (22) to reciprocate up and down, one side of the pipe cutting assembly (2) is provided with a feeding assembly (4) which is used for driving the material pipe (5911) to move towards the pipe cutting assembly (2), and the ground on one side of the workbench (1) is further provided with a pipe releasing assembly (5) which is used for releasing the material pipe (5911);

the feeding assembly (4) is arranged along the length direction of the supporting frame (21), the feeding assembly (4) comprises two mounting rods (41) vertically and fixedly connected to the upper surface of the workbench (1), an upper roller (42) and a lower roller (43) which are arranged in parallel are rotatably connected between the two mounting rods (41), a second motor (44) used for driving the upper roller (42) and the lower roller (43) to rotate is fixedly connected to the mounting rods (41), and the plurality of material pipes (5911) are clamped between the upper roller (42) and the lower roller (43);

the pipe placing assembly (5) comprises two vertically arranged bearing rods (52), the upper end face of each bearing rod (52) is provided with a mounting groove (521), the inside of each mounting groove (521) is connected with a sliding rod (54) in a sliding manner, a pushing piece used for pushing the sliding rod (54) to move up and down is arranged between the sliding rod (54) and the bottom wall of the mounting groove (521), the top end of the sliding rod (54) is fixedly connected with a mounting seat (55), a rotating shaft (551) is rotatably connected in the mounting seat (55), the top end of the sliding rod (54) is further fixedly connected with a third motor (56) used for driving the rotating shaft (551) to rotate, the two rotating shafts (551) are coaxially arranged, one ends, facing each other, of the two rotating shafts (551) are connected with a connecting pipe (57) in a sliding manner, the outer peripheral surface of each rotating shaft (551) is provided with a sliding groove (5511) distributed along the length direction of the rotating shaft (551), and the inner peripheral surface of each connecting pipe (57) is fixedly connected with a sliding block (571), the sliding block (571) is connected in the sliding groove (5511) in a sliding mode, a connecting rod (58) is arranged between the two connecting pipes (57), two ends of the connecting rod (58) penetrate through the two connecting pipes (57) respectively, the connecting rod (58) and the connecting pipes (57) are fixed through penetrating fixing bolts, a limiting block (581) is fixedly connected to the outer peripheral surface of the connecting rod (58), a plurality of winding rollers (59) are sleeved on the outer peripheral surface of the connecting rod (58), a limiting groove (591) is formed in the inner peripheral surface of each winding roller (59), and the limiting block (581) is connected in the limiting groove (591) in a sliding mode;

the inner circumferential surface of the supporting frame (21) is fixedly connected with a plurality of guide pipes (7), the guide pipes (7) are arranged along the moving direction of the material pipe (5911), the guide pipes (7) correspond to the grooves (45) one by one, and one surface of each guide pipe (7) departing from each groove (45) is flush with one surface of the supporting frame (21) departing from the feeding assembly (4);

a plurality of annular grooves (45) are formed in the outer peripheral surfaces of the upper roller (42) and the lower roller (43), the cross sections of the grooves (45) are arc-shaped, anti-skid stripes (451) are arranged in the grooves (45), the grooves (45) in the upper roller (42) and the grooves (45) in the lower roller (43) are in one-to-one correspondence, two grooves (45) which correspond to each other form a groove group, and the grooves (45) are uniformly distributed along the length direction of the supporting frame (21);

one end of the guide pipe (7) facing the groove (45) is fixedly connected with a horn-shaped guide hopper (71), and the diameter of the guide hopper (71) is gradually reduced from the groove (45) to the direction of the guide pipe (7);

be provided with reinforced subassembly (8) parallel with material loading subassembly (4) on workstation (1) between material loading subassembly (4) and wind-up roll (59), reinforced subassembly (8) are including installing frame (81) additional, install frame (81) through many spinal branchs pole rigid coupling in the upper surface of table, install frame (81) additional and deviate from material loading subassembly (4) one side internal diameter border and seted up fixed slot (811), fixed slot (811) interior slip is connected with fixed frame (82), all seted up a plurality of groove (821) of installing additional on the upper wall of fixed frame (82) inner peripheral surface and the lower wall, a plurality of groove (821) one-to-one formation of installing additional on fixed frame (82) upper wall and the lower wall form the groove group of installing additional, a plurality of groove (821) of installing additional and a plurality of recess (45) one-to-one, the rigid coupling has spacing wheel (9) in installing additional groove (821), spacing wheel (9) in same groove (821) satisfy material pipe (5911) and last towards material loading subassembly (4) operation.

2. The pipe cutting machine for manufacturing wire harnesses according to claim 1, wherein: the driving piece (3) comprises a first motor (31) fixedly connected to the upper surface of the supporting frame (21), a rotating plate (311) parallel to the cutting knife (22) is fixedly connected to an output shaft of the first motor (31), a connecting plate (32) is arranged between the rotating plate (311) and the cutting knife (22), and two ends of the connecting plate (32) are hinged to the rotating plate (311) and the cutting knife (22) respectively.

3. The pipe cutting machine for manufacturing wire harnesses according to claim 1, wherein: the workbench (1) is provided with a control panel (6) for controlling the pipe cutting assembly (2), the feeding assembly (4) and the pipe placing assembly (5).

4. The pipe cutting machine for manufacturing wire harnesses according to claim 1, wherein: spacing wheel (9) include bull stick (91), and the both ends rigid coupling of bull stick (91) is in installing groove (821) additional, rotates on bull stick (91) and is connected with runner (92), and the inside of runner (92) is provided with connects chamber (921), is provided with ratchet (911) on bull stick (91) in connecting chamber (921), connect chamber (921) on articulated have with ratchet (911) complex pawl (9211) of going up.