CN111799038A

CN111799038A - Wire harness

Info

Publication number: CN111799038A
Application number: CN202010750128.5A
Authority: CN
Inventors: 储运河
Original assignee: Anhui Yijiahong Electric Appliance Co ltd
Current assignee: Anhui Yijiahong Electric Appliance Co ltd
Priority date: 2020-07-30
Filing date: 2020-07-30
Publication date: 2020-10-20

Abstract

The invention belongs to the technical field of wire harness production and processing, and particularly relates to a wire harness which is prepared by the following method: step 1: shearing the wire into a preset length, and peeling two ends of the wire to leak out the wire core; step 2: mounting a terminal at one end of the lead; and step 3: sleeving a heat-shrinkable tube on the lead from the other end of the lead, adjusting the heat-shrinkable tube to a preset position, and heating the heat-shrinkable tube to wrap the heat-shrinkable tube on the lead; and 4, step 4: sleeving the ant-proof pipe at a preset position on the lead from one end in the step 3, and finishing the manufacturing of the wire harness; according to the invention, the heat-shrinkable tube and the termite-proof tube are sleeved outside the wire harness by adopting the automatic wire harness processing system, so that the oxidation resistance and corrosion resistance of the wire harness are improved, and meanwhile, the wire harness processing efficiency and the processing quality of the wire harness are improved by the wire harness processing system.

Description

Wire harness

Technical Field

The invention belongs to the technical field of wire harness processing, and particularly relates to a wire harness.

Background

Some electrical apparatus pencil under the complex environment need carry out special protection processing, for example, the air conditioner control line, the air conditioner is in outdoor environment for a long time, not only easy oxidation, the corruption, and insect such as ant gets into electrical equipment inside from the through wires hole easily, thereby gnaw and eat electrical components and lead to electrical equipment performance trouble, need establish the pyrocondensation pipe and prevent ant pipe for this reason at the cover on the pencil, the pyrocondensation pipe can protect the wire top layer, slow down the oxidation, and prevent that ant pipe can carry out the shutoff to the through wires hole, avoid the ant to get into electrical equipment inside, pyrocondensation pipe among the prior art and prevent that ant pipe suit most still adopts manual operation, work efficiency is low, and sleeve pipe positioning accuracy is poor, influence pencil processingquality.

Disclosure of Invention

The invention aims to provide a wire harness which has good oxidation resistance, corrosion resistance and moth-proof performance.

The technical scheme adopted by the invention is as follows:

a wire harness is produced by the following method:

step 1: shearing the wire into a preset length, and peeling two ends of the wire to leak out the wire core;

step 2: mounting a terminal at one end of the lead;

and step 3: sleeving a heat-shrinkable tube on the lead from the other end of the lead, adjusting the heat-shrinkable tube to a preset position, and heating the heat-shrinkable tube to wrap the heat-shrinkable tube on the lead;

and 4, step 4: sleeving the ant-proof pipe at a preset position on the lead from one end in the step 3, and finishing the manufacturing of the wire harness;

in the step 3 and the step 4, the heat-shrinkable tube and the ant-proof tube are sleeved by adopting a wire harness processing system, the wire harness processing system comprises a transfer mechanism, and a rod-shaped mechanical arm and a pipe supporting mechanical arm are arranged on the transfer mechanism; the rod-shaped mechanical arm and the pipe supporting mechanical arm are connected with the transfer mechanism in a sliding mode in the parallel direction, a clamping jaw is arranged at one end of the rod-shaped mechanical arm, and the sliding path of the rod-shaped mechanical arm penetrates through the pipe supporting mechanical arm; a pipe placing station, a pipe arranging station, a sleeving station, a pipe withdrawing station, a discharging station and a resetting station are sequentially arranged on a transfer path of the transfer mechanism; the pipe placing station is provided with a pipe placing mechanism, and the pipe placing mechanism is used for sleeving the ant-proof pipe on the pipe supporting manipulator; the pipe arranging station is provided with a pipe arranging mechanism, and the pipe arranging mechanism is used for sleeving the heat shrinkable pipe on the rod-shaped mechanical arm; the sleeving station is provided with a wire arranging mechanism and a pipe fixing mechanism, the wire arranging mechanism is used for aligning the wire head of the wire to a clamping jaw of the rod-shaped mechanical arm, the pipe fixing mechanism is used for fixing a heat shrink tube on the rod-shaped mechanical arm, and the rod-shaped mechanical arm clamps the wire at the station and pulls the wire to enable the wire to penetrate through the heat shrink tube and the pipe supporting mechanical arm; the pipe fixing mechanism further comprises a heating device, and when the heat shrink pipe is sleeved at the designated position on the lead, the heating device heats the heat shrink pipe to enable the heat shrink pipe to wrap the lead; the pipe withdrawing station is provided with a pipe withdrawing driving mechanism for driving the pipe supporting manipulator to be drawn out from the ant-proof pipe; the discharging station is provided with a discharging driving mechanism for driving a clamping jaw of the rod-shaped mechanical arm to loosen the conducting wire; the reset station is provided with a reset driving mechanism for driving two semicircular groove rods of the pipe supporting manipulator to be closed mutually.

The rod-shaped mechanical arm comprises a fixed rod and an expansion rod parallel to the fixed rod and arranged on at least one side of the fixed rod, and the expansion rod is movably connected with the fixed rod along the vertical direction of the length direction of the fixed rod; the expansion rod is fixedly connected with a guide plate, a waist-shaped hole is formed in the guide plate, the length direction of the waist-shaped hole and the length direction of the fixed rod form an included angle, a driving rod movably arranged along the length direction of the rod is arranged on the fixed rod, a driving pin is arranged on the driving rod, and the driving pin and the waist-shaped hole form sliding fit; the clamping jaw comprises two clamping plates arranged at one end of a fixing rod, grooves are formed in the opposite sides of the two clamping plates, a pressing plate is arranged between the two clamping plates, two elastic blocks are arranged between the pressing plate and the side walls of the two clamping plates, the pressing plate is fixedly connected with the driving rod, and when the pressing plate and the groove walls of the two clamping plates are close to each other, the two elastic blocks are extruded to expand to the area between the two clamping plates so as to clamp the wire end; the guide plate is assembled to be close to each other by the expansion rod and the fixing rod when the driving rod drives the clamping jaw to clamp, and the expansion rod and the fixing rod are far away from each other when the driving rod drives the clamping jaw to loosen.

The pipe supporting manipulator comprises two semicircular groove rods arranged in parallel, and notches of the two semicircular groove rods are oppositely arranged; the two semicircular groove rods are oppositely opened and closed and arranged on the second sliding seat, and the second sliding seat is arranged on the transfer mechanism in a sliding manner along the length direction of the semicircular groove rods; a partition plate is arranged on the sliding path of the second sliding seat, and a through hole for the two semicircular groove rods to pass through is formed in the partition plate; the pipe racking manipulator further comprises a linkage mechanism assembled to maintain a relatively closed state of the two semicircular groove rods in a process of inserting the two semicircular groove rods into the through holes of the partition, and to be automatically opened after the two semicircular groove rods are inserted into a preset distance, and to maintain a relatively opened state of the two semicircular groove rods when the two semicircular groove rods are withdrawn from the through holes in opposite directions.

The linkage mechanism comprises a third sliding seat in sliding connection with the second sliding seat, and the third sliding seat is positioned on one side of the second sliding seat, which is far away from the partition plate; the semicircular grooved bars are connected with the second sliding seat in a sliding mode through sliding blocks, a fourth pressure spring is arranged between the sliding blocks and the second sliding seat, the fourth pressure spring is assembled to enable the elastic force of the fourth pressure spring to drive the two half circular grooved bars to be folded, an inclined plane is arranged on each sliding block, a wedge block is arranged on each third sliding seat, when the third sliding seat slides towards the direction of the partition plate, the wedge block firstly collides with the inclined plane, at the moment, the wedge block pushes the second sliding seat to slide towards the direction of the partition plate, when the second sliding seat slides to a limit position, the second sliding seat is blocked, and the wedge block starts to extrude the sliding blocks towards two sides, so that the two half circular grooved bars are; the wedge block is connected with the third sliding seat in a sliding mode, when the third sliding seat is close to the second sliding seat, the third sliding seat is connected with the wedge block in a blocking mode, so that the wedge block is pushed to the position between the sliding blocks of the two semicircular groove rods in the extruding mode, when the third sliding seat is far away from the second sliding seat, the wedge block is retained between the two sliding blocks under the clamping force effect of the two sliding blocks, and therefore the two semicircular groove rods are pulled out from the through hole of the partition plate in the mutually far-away state.

The pipe discharging mechanism comprises a second discharging groove, the second discharging groove is vertically arranged, the ant-proof pipes are arranged in the second discharging groove in a single row along the vertical direction, a pipe outlet is formed in the bottom of one side wall of the second discharging groove, the bottom of the side wall is parallel to the length direction of the ant-proof pipes, the width of the pipe outlet is smaller than the diameter of one ant-proof pipe in a free state, and the minimum width of the cross section of each ant-proof pipe is smaller than the width of the pipe outlet when the ant-proof pipe is tensioned into a flat state by two semicircular groove rods; the second is arranged the material groove and is prevented the both sides wall bottom that the ant pipe both ends are corresponding and be equipped with the jack that corresponds with the bottommost anti-ant pipe tip, the jack link up with the play mouth of pipe, when prop a tub manipulator and be located put the pipe station, the jack is located the slide path of two semi-circular grooved bars.

The pipe arranging mechanism comprises a first pipe arranging groove, the first pipe arranging groove is vertically arranged, the heat-shrinkable pipes are arranged in the first pipe arranging groove in a single row along the vertical direction, a discharge hole is formed in the bottom of one side wall of the first pipe arranging groove, the bottom of the side wall of the first pipe arranging groove is parallel to the length direction of the heat-shrinkable pipes, the width of the discharge hole is smaller than the diameter of a heat-shrinkable pipe in a free state, and the minimum width of the cross section of the heat-shrinkable pipe is smaller than the width of the discharge hole when the heat-shrinkable pipe is tensioned; and the bottom parts of two side walls corresponding to two ends of the heat shrink tube of the first discharging groove are provided with jacks corresponding to the end parts of the heat shrink tube at the bottommost layer, the jacks are communicated with the discharging hole, and when the rod-shaped mechanical arm is positioned at the discharging station, the jacks are positioned on a sliding path of the rod-shaped mechanical arm.

The pipe fixing mechanism comprises a first clamping block and a second clamping block which are mutually opened and closed along the vertical direction, strip grooves for containing heat-shrinkable pipes are respectively arranged on the opposite sides of the first clamping block and the second clamping block, cavities are arranged in the first clamping block and the second clamping block and communicated with the negative pressure pipe, and air passages penetrating through the cavities and the strip groove walls are arranged between the cavities and the strip groove walls; the heating device comprises a first half shell and a second half shell which are mutually opened and closed along the vertical direction, the first half shell is in sliding connection with the first clamping block along the vertical direction, a first pressure spring is arranged between the first half shell and the first clamping block, and the first pressure spring is assembled to enable the elasticity of the first pressure spring to drive the first half shell to move downwards relative to the first clamping block; the second half shell is connected with the second clamping block in a sliding mode in the vertical direction, a second pressure spring is arranged between the second half shell and the second clamping block, and the second pressure spring is assembled to enable the elasticity of the second pressure spring to drive the second half shell to move upwards relative to the second clamping block; the first half shell and the second half shell are firstly folded in the process that the first clamping block and the second clamping block are close to each other, and then the first clamping block and the second clamping block are folded and compress the first compression spring and the second compression spring; the first clamping block and the second clamping block are positioned in a clamping cavity formed after the first half shell and the second half shell are folded; the first half shell and/or the second half shell are/is connected with a hot air pipeline; the first clamping block is fixedly connected with the upper pressure plate through a guide pillar, the second clamping block is fixedly connected with the lower pressure plate through a guide pillar, and the upper pressure plate and the lower pressure plate are respectively and fixedly connected with piston rods of two vertically arranged piston cylinders.

The wire arranging mechanism comprises a first rotary disc, the first rotary disc is rotatably connected with the rack along a vertical axis, a wire is arranged on the disc surface of the first rotary disc along the radial direction of the first rotary disc, a clamping block is arranged on the edge of the top surface of the first rotary disc, the clamping block is slidably connected with the first rotary disc along the vertical direction, a third pressure spring is arranged between the clamping block and the first rotary disc, the third pressure spring is assembled to enable the elastic force of the third pressure spring to drive the clamping block and the top surface of the first rotary disc to be mutually folded, and the wire end of the wire is clamped between the clamping block and the top surface of the rotary disc; and a first push rod is arranged at a position below the first rotary disc corresponding to the sleeving station and used for pushing the clamping block to separate the clamping block from the top surface of the first rotary disc.

The transfer mechanism comprises a second rotary disc which is rotatably connected with the rack along a vertical axis; one end of the fixed rod, which is far away from the clamping jaw, is fixedly connected with the first sliding seat, and the first sliding seat, the second sliding seat and the third sliding seat are in sliding connection with the second rotary disc along the radial direction of the second rotary disc; a first electric cylinder is arranged below the second rotary disk and at a position corresponding to the pipe arranging station, and a sliding block of the first electric cylinder is in blocking connection with the first sliding seat and is used for driving the first sliding seat to slide outwards along the radial direction of the second rotary disk; and a second electric cylinder is arranged at the position below the second rotary disk corresponding to the sleeving station, and a sliding block of the second electric cylinder is in blocking connection with the first sliding seat and is used for driving the first sliding seat to slide inwards along the radial direction of the second rotary disk.

The end, far away from the clamping jaw, of the driving rod is provided with a driving block, the first sliding seat is provided with a top block matched with the driving block, the driving block is provided with a first wedge face and a second wedge face, the top block is provided with a first wedge driving face and a second wedge driving face, the first wedge driving face is in interference fit with the first wedge face, the second wedge driving face is in interference fit with the second wedge face, when the first wedge driving face extrudes the first wedge face, the driving rod slides towards one end, where the clamping jaw is located, relative to the fixed rod, and at the moment, the clamping jaw clamps and the expansion rod moves towards the direction close to the fixed rod; when the driving surface of the second wedge presses the second wedge surface, the driving rod slides towards one end far away from the clamping jaw relative to the fixed rod, at the moment, the clamping jaw is loosened, and the expansion rod moves towards the direction far away from the fixed rod; the pipe placing station is provided with a fourth push rod for driving the third sliding seat to slide towards the direction of the partition plate; the pipe arranging station is provided with a second push rod for pushing the jacking block and pushing the driving surface of the second wedge to push the second wedge surface; the sleeving station is provided with a third push rod for extruding and pushing the jacking block and enabling the first wedge driving surface to extrude and push the first wedge surface; the pipe withdrawing driving mechanism comprises a fifth push rod for driving the third sliding seat to slide towards the direction far away from the partition plate; the discharging driving mechanism comprises a sixth push rod for pushing the ejector block to loosen the clamping jaw; the reset driving mechanism comprises a seventh push rod for driving the wedge block to be pulled away from the two sliding blocks.

The invention has the technical effects that: according to the invention, the heat-shrinkable tube and the termite-proof tube are sleeved outside the wire harness by adopting the automatic wire harness processing system, so that the oxidation resistance and corrosion resistance of the wire harness are improved, and meanwhile, the wire harness processing efficiency and the processing quality of the wire harness are improved by the wire harness processing system.

Drawings

Fig. 1 is a perspective view of a wire harness processing system provided by an embodiment of the present invention;

FIG. 2 is a cross-sectional view of a wire harness processing system provided by an embodiment of the present invention;

FIG. 3 is a perspective view of a rod robot and a tube-supporting robot according to an embodiment of the present invention;

FIG. 4 is a top view of a mating structure of a rod robot and a tube manipulator according to an embodiment of the present invention;

FIG. 5 is a cross-sectional view of a rod-shaped robotic arm provided in accordance with an embodiment of the present invention;

figure 6 is a perspective view of one of the stations of the tube-racking robot provided by an embodiment of the present invention;

figure 7 is a perspective view of another station of a tube-racking robot provided in accordance with an embodiment of the present invention;

figure 8 is a perspective view of yet another station of a tube-racking robot provided in accordance with an embodiment of the present invention;

FIG. 9 is a cross-sectional view of a tube racking robot provided in accordance with an embodiment of the present invention;

FIG. 10 is a perspective view of a tube securing mechanism provided by an embodiment of the present invention;

FIG. 11 is a cross-sectional view of a tube securing mechanism provided by an embodiment of the present invention;

FIG. 12 is a cross-sectional view of a tube running mechanism provided by an embodiment of the present invention;

fig. 13 is a cross-sectional view of a tube racking mechanism provided by an embodiment of the present invention;

FIG. 14 is a perspective view of a transfer mechanism provided by an embodiment of the present invention;

FIG. 15 is a perspective view of another perspective of a transfer mechanism provided by an embodiment of the present invention;

fig. 16 is a cross-sectional view of a traverse mechanism provided in an embodiment of the present invention.

Detailed Description

In order that the objects and advantages of the invention will be more clearly understood, the following description is given in conjunction with the accompanying examples. It is to be understood that the following text is merely illustrative of one or more specific embodiments of the invention and does not strictly limit the scope of the invention as specifically claimed.

Example 1

As shown in fig. 1, a wire harness processing system includes a transfer mechanism 10, wherein a rod-shaped mechanical arm 11 and a tube-supporting mechanical arm 12 are arranged on the transfer mechanism 10; the rod-shaped mechanical arm 11 and the tube supporting manipulator 12 are connected with the transfer mechanism 10 in a sliding mode along the parallel direction, one end of the rod-shaped mechanical arm 11 is provided with a clamping jaw 111, and the sliding path of the rod-shaped mechanical arm 11 penetrates through the tube supporting manipulator 12; a pipe placing station 20, a pipe arranging station 30, a sleeving station 40, a pipe returning station 50, a discharging station 60 and a resetting station 70 are sequentially arranged on a transfer path of the transfer mechanism 10; the pipe placing station 20 is provided with a pipe placing mechanism which is used for sleeving the ant-proof pipe 3 on the pipe supporting manipulator 12; the tube arranging station 30 is provided with a tube arranging mechanism which is used for sleeving the heat shrinkable tube 2 on the rod-shaped mechanical arm 11; the sleeving station 40 is provided with a wire arranging mechanism 90 and a pipe fixing mechanism 80, the wire arranging mechanism 90 is used for aligning the wire end of the lead wire 1 to a clamping jaw 111 of the rod-shaped mechanical arm 11, the pipe fixing mechanism 80 is used for fixing the heat-shrinkable pipe 2 on the rod-shaped mechanical arm 11, and the rod-shaped mechanical arm 11 clamps the lead wire 1 at the station and pulls the lead wire 1 to pass through the heat-shrinkable pipe 2 and the pipe-supporting mechanical arm 12; the tube fixing mechanism 80 further comprises a heating device, and when the heat shrinkable tube 2 is sleeved at the designated position on the lead 1, the heating device heats the heat shrinkable tube 2 to wrap the heat shrinkable tube 2 on the lead 1; the pipe withdrawing station 50 is provided with a pipe withdrawing driving mechanism for driving the pipe supporting manipulator 12 to be drawn out from the ant-proof pipe 3; the unloading station 60 is provided with an unloading driving mechanism for driving the clamping jaw 111 of the rod-shaped mechanical arm 11 to loosen the lead 1; the reset station 70 is provided with a reset driving mechanism for driving the two semicircular groove rods of the pipe supporting manipulator 12 to be closed. According to the invention, the rod-shaped mechanical arm 11 and the pipe supporting mechanical arm 12 are used for respectively grabbing the heat-shrinkable pipe 2 and the ant-proof pipe 3, the clamping jaw 111 on the rod-shaped mechanical arm 11 is used for grabbing the wire 1, the pipe fixing mechanism 80 fixes the heat-shrinkable pipe 2, so that the rod-shaped mechanical arm 11 can pull the wire 1 to pass through the heat-shrinkable pipe 2, after the heat-shrinkable pipe 2 is sleeved, the rod-shaped mechanical arm 11 continues to pull the wire 1 to pass through the ant-proof pipe 3, so that the heat-shrinkable pipe 2 and the ant-proof pipe 3 are sleeved automatically, the wire harness processing efficiency is improved, meanwhile, the sleeving positions of the heat-shrinkable pipe 2 and the ant-proof pipe 3 can be.

Preferably, as shown in fig. 3, 4 and 5, the rod-shaped robot arm 11 includes a fixed rod 113 and an expansion rod 114 parallel to the fixed rod 113 and disposed on at least one side of the fixed rod 113, and the expansion rod 114 is movably connected to the fixed rod 113 along a vertical direction of a length direction of the fixed rod 113; a guide plate 1141 is fixedly connected to the expansion rod 114, a waist-shaped hole 1142 is formed in the guide plate 1141, an included angle is formed between the length direction of the waist-shaped hole 1142 and the length direction of the fixed rod 113, a driving rod 115 movably arranged along the length direction of the rod is arranged on the fixed rod 113, a driving pin 1151 is arranged on the driving rod 115, and the driving pin 1151 and the waist-shaped hole 1142 form sliding fit; the clamping jaw 111 comprises two clamping plates 1111 arranged at one end of a fixing rod 113, grooves are arranged at the opposite sides of the two clamping plates 1111, a pressing plate 1113 is arranged between the two clamping plates 1111, two elastic blocks 1114 are arranged between the pressing plate 1113 and the side walls of the two clamping plates 1111, the pressing plate 1113 is fixedly connected with the driving rod 115, and when the pressing plate 1113 and the side walls of the two clamping plates 1111 approach each other, the two elastic blocks 1114 are squeezed to expand to the area between the two clamping plates 1111 so as to clamp the end of the lead 1; the guide plate 1141 is assembled such that the expansion link 114 and the fixing link 113 are close to each other when the driving lever 115 drives the jaw 111 to grip, and the expansion link 114 and the fixing link 113 are far from each other when the driving lever 115 drives the jaw 111 to release.

Preferably, as shown in fig. 6, 7, 8 and 9, the tube-supporting manipulator 12 comprises two semicircular groove rods 121 arranged in parallel, and the notches of the semicircular groove rods 121 are arranged oppositely; the two semicircular groove rods 121 are oppositely opened and closed and arranged on the second sliding base 123, and the second sliding base 123 is arranged on the transfer mechanism 10 in a sliding manner along the length direction of the semicircular groove rods 121; a partition plate 122 is arranged on the sliding path of the second sliding seat 123, and a through hole 1221 for the semicircular groove rod 121 to pass through is arranged on the partition plate 122; the pipe racking robot 12 further includes a link mechanism which is assembled such that the two semicircular groove rods 121 are maintained in a relatively closed state during the insertion of the two semicircular groove rods 121 into the through-holes 1221 of the partition 122 and can be automatically opened after the two semicircular groove rods 121 are inserted a predetermined distance, and the two semicircular groove rods 121 are maintained in a relatively opened state when the two semicircular groove rods 121 are withdrawn from the through-holes 1221 in opposite directions.

Specifically, the linkage mechanism includes a third slide carriage 124 slidably connected to the second slide carriage 123, and the third slide carriage 124 is located on a side of the second slide carriage 123 away from the partition 122; the semicircular grooved rod 121 is slidably connected with the second sliding seat 123 through a sliding block 1211, a fourth pressure spring 126 is arranged between the sliding block 1211 and the second sliding seat 123, the fourth pressure spring 126 is assembled to enable the elastic force of the fourth pressure spring to drive the two semicircular grooved rods 121 to be folded, an inclined surface is arranged on the sliding block 1211, a wedge block 125 is arranged on the third sliding seat 124, when the third sliding seat 124 slides towards the direction of the partition plate 122, the wedge block 125 firstly collides with the inclined surface, at the moment, the wedge block 125 pushes the second sliding seat 123 to slide towards the direction of the partition plate 122, when the second sliding seat 123 slides to a limit position, the second sliding seat 123 is blocked, and the wedge block 125 begins to press the sliding block 1211 towards two sides to enable the two semicircular grooved rods 121 to be away from each other; the wedge 125 is slidably connected to the third slide carriage 124, when the third slide carriage 124 approaches the second slide carriage 123, the third slide carriage 124 is in contact with the wedge 125 to push the wedge 125 between the sliding blocks 1211 of the semicircular groove rods 121, and when the third slide carriage 124 moves away from the second slide carriage 123, the wedge 125 is retained between the sliding blocks 1211 by the clamping force of the sliding blocks 1211, so that the semicircular groove rods 121 are pulled away from the through holes 1221 of the partition plate 122.

Preferably, as shown in fig. 12, the pipe discharging mechanism includes a second discharge groove 21, the second discharge groove 21 is vertically arranged, the ant prevention pipes 3 are arranged in the second discharge groove 21 in a single row in the vertical direction, a bottom portion of one side wall of the second discharge groove 21 parallel to the length direction of the ant prevention pipe 3 is provided with a spout 22, the width of the spout 22 is smaller than the diameter of one ant prevention pipe 3 in a free state, and the minimum width of the cross section of the ant prevention pipe 3 when it is tensioned into a flat state by the semicircular groove bars 121 is smaller than the width of the spout 22; the second row of material groove 21 and the both sides wall bottom that prevents that ant pipe 3 both ends are corresponding are equipped with the jack that corresponds with 3 tip of ant pipe are prevented to the bottommost layer, the jack link up with out the mouth of pipe 22, and when prop a tub manipulator 12 and be located and put a tub station 20, the jack is located the slide path of two semi-circular groove poles 121.

Preferably, as shown in fig. 13, the pipe arranging mechanism includes a first pipe arranging groove 31, the first pipe arranging groove 31 is vertically arranged, the heat shrinkable tube 2 is arranged in the first pipe arranging groove 31 in a single row along the vertical direction, a discharge hole 32 is arranged at the bottom of one side wall of the first pipe arranging groove 31 parallel to the length direction of the heat shrinkable tube 2, the width of the discharge hole 32 is smaller than the diameter of the heat shrinkable tube 2 in a free state, and the minimum width of the cross section of the heat shrinkable tube 2 is smaller than the width of the discharge hole 32 when the heat shrinkable tube 2 is tensioned into a flat state by the fixing rod 113 and the expansion rod 114 of the rod-shaped mechanical; the bottom of two side walls corresponding to two ends of the first discharging groove 31 and the heat shrinkable tube 2 is provided with a jack corresponding to the end of the bottommost heat shrinkable tube 2, the jack is communicated with the discharging hole 32, and when the rod-shaped mechanical arm 11 is located at the discharging station 30, the jack is located on the sliding path of the rod-shaped mechanical arm 11.

As shown in fig. 2, 10 and 11, the tube fixing mechanism 80 includes a first clamping block 81 and a second clamping block 82 which are opened and closed with each other along a vertical direction, opposite sides of the first clamping block 81 and the second clamping block 82 are respectively provided with a strip groove for accommodating the heat shrinkable tube 2, a cavity 801 is arranged in the first clamping block 81 and the second clamping block 82, the cavity 801 is communicated with the negative pressure tube 87, and an air passage 802 penetrating through the cavity 801 and the strip groove wall is arranged between the cavity 801 and the strip groove wall; the heating device comprises a first half shell 83 and a second half shell 84 which are arranged in a mutually opening and closing mode along the vertical direction, the first half shell 83 is connected with a first clamping block 81 in a sliding mode along the vertical direction, a first pressure spring 85 is arranged between the first half shell 83 and the first clamping block 81, and the first pressure spring 85 is assembled to enable the elastic force of the first pressure spring to drive the first half shell 83 to move downwards relative to the first clamping block 81; the second half shell 84 is connected with the second clamping block 82 in a sliding mode in the vertical direction, and a second compression spring 86 is arranged between the second half shell 84 and the second clamping block 82, and the second compression spring 86 is assembled to enable the elasticity of the second compression spring to drive the second half shell 84 to move upwards relative to the second clamping block 82; the first half shell 83 and the second half shell 84 are firstly folded in the process that the first clamping block 81 and the second clamping block 82 approach each other, and then the first clamping block 81 and the second clamping block 82 are folded to compress the first compression spring 85 and the second compression spring 86; the first clamping block 81 and the second clamping block 82 are positioned in a clamping cavity formed after the first half shell 83 and the second half shell 84 are folded; a hot air duct 88 is connected to the first half shell 83 and/or the second half shell 84; the first clamping block 81 is fixedly connected with the upper pressure plate through a guide pillar, the second clamping block 82 is fixedly connected with the lower pressure plate through a guide pillar, and the upper pressure plate and the lower pressure plate are respectively and fixedly connected with piston rods of two vertically arranged piston cylinders.

The wire arranging mechanism 90 comprises a first rotary disc, the first rotary disc is rotatably connected with the rack along a vertical axis, the wires 1 are arranged on the disc surface of the first rotary disc along the radial direction of the first rotary disc, a clamping block 91 is arranged on the edge of the top surface of the first rotary disc, the clamping block 91 is slidably connected with the first rotary disc along the vertical direction, a third pressure spring 92 is arranged between the clamping block 91 and the first rotary disc, the third pressure spring 92 is assembled to enable the clamping block 91 and the top surface of the first rotary disc to be folded mutually under the action of elasticity of the third pressure spring 92, and the wire ends of the wires 1 are clamped between the clamping block 91 and the top surface of the rotary disc; a first push rod 93 is arranged at a position below the first rotary disc corresponding to the sleeving station 40, and the first push rod 93 is used for pushing the clamping block 91 to separate the clamping block 91 from the top surface of the first rotary disc.

Preferably, as shown in fig. 1, 14 and 15, the transfer mechanism 10 includes a second rotating disk, which is rotatably connected to the frame along a vertical axis; one end of the fixing rod 113, which is far away from the clamping jaw 111, is fixedly connected with the first sliding seat 112, and the first sliding seat 112, the second sliding seat 123 and the third sliding seat 124 are all in sliding connection with the second rotary disk along the radial direction of the second rotary disk; a first electric cylinder 103 is arranged below the second rotary disk and at a position corresponding to the pipe arranging station 30, and a sliding block of the first electric cylinder 103 is in blocking connection with the first sliding seat 112 and is used for driving the first sliding seat 112 to slide outwards along the radial direction of the second rotary disk; a second electric cylinder 104 is arranged below the second rotary disk and at a position corresponding to the sleeving station 40, and a sliding block of the second electric cylinder 104 is in blocking connection with the first sliding seat 112 and is used for driving the first sliding seat 112 to slide inwards along the radial direction of the second rotary disk.

Preferably, as shown in fig. 2, a driving block 116 is disposed at an end of the driving rod 115 away from the clamping jaw 111, a top block 117 matched with the driving block 116 is disposed on the first sliding seat 112, a first wedge driving surface and a second wedge driving surface are disposed on the driving block 116, the first wedge driving surface and the second wedge driving surface are disposed on the top block 117, the first wedge driving surface is in interference fit with the first wedge surface, the second wedge driving surface is in interference fit with the second wedge surface, when the first wedge driving surface presses the first wedge surface, the driving rod 115 slides towards an end of the clamping jaw 111 with respect to the fixing rod 113, and at this time, the clamping jaw 111 clamps and the expansion rod 114 moves towards a direction close to the fixing rod 113; when the second wedge driving surface presses the second wedge surface, the driving rod 115 slides relative to the fixed rod 113 to one end far away from the clamping jaw 111, and the clamping jaw 111 is loosened and the expansion rod 114 moves to the direction far away from the fixed rod 113; as shown in fig. 14 and 15, the tube placing station 20 is provided with a fourth push rod 101 for driving the third sliding seat 124 to slide towards the direction of the partition 122; the tube arranging station 30 is provided with a second push rod 102 for pushing the top block 117 and pushing the second wedge driving surface to push the second wedge surface; the sleeving station 40 is provided with a third push rod 105 for pushing the jacking block 117 and pushing the first wedge driving surface to push the first wedge surface; the tube withdrawing driving mechanism comprises a fifth push rod 106 for driving the third sliding seat 124 to slide in a direction away from the partition plate 122; the discharging driving mechanism comprises a sixth push rod 107 for pushing the top block 117 to release the clamping jaw 111; the reset driving mechanism includes a seventh push rod 108 for driving the wedge block 125 to be drawn out from between the two sliding blocks 1211.

In the embodiment, the first push rod 93, the second push rod 102, the third push rod 105, the fourth push rod 101, the fifth push rod 106, the sixth push rod 107, the seventh push rod 108 and the eighth push rod 109 can be electric push rods or air cylinders.

The working process of the wire harness processing system of the embodiment is as follows:

the rod-shaped mechanical arm 11 and the pipe supporting mechanical arm 12 rotate along with the second rotary disc and sequentially circulate through the following stations:

reserving an initial station, wherein the rod-shaped mechanical arm 11 and the semicircular groove rod 121 of the pipe supporting mechanical arm 12 are both in a contraction state in the station, namely the semicircular groove rod 121 is contracted inside the partition plate 122, the rod-shaped mechanical arm 11 is contracted inside the semicircular groove rod 121, and the expansion rod 114 of the rod-shaped mechanical arm 11 and the fixed rod 113 are also in a contraction state, namely the expansion rod 114 and the fixed rod 113 are mutually folded; the inner side is close to the center of the second rotary disk, and the outer side is far away from the center of the second rotary disk;

a pipe placing station 20, in which the semicircular groove rods 121 of the pipe supporting manipulator 12 are opposite to the insertion holes at the lower end of the side wall of the second material discharging groove 21, when the pipe supporting manipulator 12 moves to the station, the fourth push rod 101 pushes the third slide carriage 124 outwards, at this time, the third slide carriage 124 is blocked with the wedge block 125, and the wedge block 125 is blocked with the two sliding blocks 1211 on the second slide carriage 123, as shown in fig. 6, because the second slide carriage 123 is not blocked at this time, the wedge block 125 cannot be directly inserted between the two sliding blocks 1211, but can push the second slide carriage 123 to synchronously slide outwards; when the second sliding base 123 abuts against the outer end of the rail, the two semicircular groove bars 121 can be just inserted into the ant prevention pipe 3 at the lowermost layer of the second discharge groove 21, and at this time, the second sliding base 123 cannot slide continuously, so that the wedge block 125 is inserted between the two sliding blocks 1211, and the two semicircular groove bars 121 are further opened to each other and the ant prevention pipe 3 is tensioned into an oval shape, and at this time, when the second rotary disk continues to rotate, the semicircular groove bars 121 and the ant prevention pipe 3 can be removed from the outlet opening 22 of the second discharge groove 21;

the pipe arranging station 30 is characterized in that when the rod-shaped mechanical arm 11 moves to the station, the first electric cylinder 103 drives the first sliding seat 112 to slide outwards, so that the rod-shaped mechanical arm 11 penetrates through the heat shrinkable pipe 2 at the lowest layer of the first pipe arranging groove 31, then the second push rod 102 pushes the top block 117, the expansion rod 114 and the fixed rod 113 are far away from each other, the clamping jaw 111 is opened, the heat shrinkable pipe 2 on the rod-shaped mechanical arm 11 is tensioned to be oval, and at the moment, when the second rotary disc continues to rotate, the rod-shaped mechanical arm 11 and the heat shrinkable pipe 2 sleeved on the rod-shaped mechanical arm can move out of the discharge hole 32 of the first pipe;

the sleeving station 40 is a station where the rod-shaped mechanical arm 11 moves, the first clamping block 9181 and the second clamping block 9182 are folded with each other and clamp the heat-shrinkable tube 2 on the rod-shaped mechanical arm 11, meanwhile, the first half shell 83 and the second half shell 84 are folded with each other, then the third push rod 105 pushes the jacking block 117 to enable the clamping jaw 111 to clamp the end of the conducting wire 1, meanwhile, the expansion rod 114 and the fixing rod 113 are folded with each other, and then a clamping cavity between the first clamping block 9181 and the second clamping block 9182 is vacuumized to enable the heat-shrinkable tube 2 to be tightly adsorbed on the wall of the semicircular groove; then the second electric cylinder 104 drives the first sliding base 112 to slide inwards, so that the rod-shaped mechanical arm 11 pulls the lead 1 to penetrate through the heat shrinkable tube 2; then, the vacuumizing is stopped, the first clamping block 9181 and the second clamping block 9182 are driven to be separated from each other, but the first half shell 83 and the second half shell 84 are kept in a closed state, then, the heat seal is blown to the space between the first half shell 83 and the second half shell 84, so that the heat-shrinkable tube 2 is tightly wrapped on the conducting wire 1, and finally, the first clamping block 9181 and the second clamping block 9182 are driven to be continuously far away, so that the first half shell 83 and the second half shell 84 are separated from each other; completing sleeving of the heat shrinkable tube 2; under the station, the second electric cylinder 104 is used again to drive the first sliding base 112 to slide inwards, so that the wire 1 passes through the two semicircular groove rods 121, and then the second rotary disc rotates to the next station;

a pipe withdrawing station 50, wherein the fifth push rod 106 drives the third slide base 124 to slide inwards, the third slide base 124 drives the second slide base 123 to synchronously move inwards, so that the two semicircular groove rods 121 are drawn from the outer side to the inner side of the partition plate 122, and in the process, the ant prevention pipe 3 is blocked by the partition plate 122 and can be retained on the lead 1, so that the sheathing between the ant prevention pipe 3 and the lead 1 is realized;

the unloading station 60, under which the sixth push rod 107 pushes the ejector block 117 to loosen the clamping jaw 111, and at the moment, the wire 1 falls from the station, and an operator collects the wire harness at the station;

a reset station 70, at which the seventh push rod 108 pushes the wedge-shaped block 125 to pull the wedge-shaped block 125 out from between the two sliding blocks 1211, so as to close the two semicircular grooved rods 121 together;

the reserved station is provided with an eighth push rod 109, and because the clamping jaw 111 is loosened and the expansion rod 114 is separated from the fixed rod 113 at the unloading station 60, the eighth push rod 109 is arranged at the station and used for pushing the jacking block 117 to enable the expansion rod 114 to be folded with the fixed rod 113, so that the rod-shaped manipulator is in a contracted state when entering the reserved initial station again;

and the continuous processing of the wire harness is realized by sequentially circulating according to the stations.

Example 2

A wire harness is produced by the following method:

step 1: shearing the lead 1 into a preset length, and peeling two ends of the lead 1 to leak out of the wire core;

step 2: a connecting terminal is arranged at one end of the lead 1;

and step 3: sleeving the heat shrinkable tube 2 on the lead 1 from the other end of the lead 1, adjusting the heat shrinkable tube 2 to a preset position, and heating the heat shrinkable tube 2 to wrap the heat shrinkable tube on the lead 1;

and 4, step 4: sleeving the ant-proof pipe 3 at a preset position on the lead 1 from one end in the step 3, and finishing the manufacturing of the wire harness;

in the step 3 and the step 4, the heat shrinkable tube 2 and the ant prevention tube 3 are sheathed by the wire harness processing system described in the embodiment 1.

Example 3

A method for sleeving a heat shrinkable tube 2 by using the processing system of example 1, comprising the steps of:

step 1: sleeving a heat shrinkable tube 2 on the rod-shaped mechanical arm 11 in the embodiment 1;

step 2: clamping the end of the lead 1 with a clamping jaw 111 of a rod-shaped mechanical arm 11, and fixing the heat shrinkable tube 2 with the tube fixing mechanism 80 shown in example 1;

and step 3: drawing the rod-shaped mechanical arm 11 to draw the lead 1 into the heat shrinkable tube 2;

and 4, step 4: heating the heat shrinkable tube 2 to wrap the heat shrinkable tube on the lead 1;

the foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention. Structures, devices, and methods of operation not specifically described or illustrated herein are generally practiced in the art without specific recitation or limitation.

Claims

1. A wire harness, characterized in that: the preparation method comprises the following steps:

step 1: shearing the lead (1) to a preset length, and peeling two ends of the lead (1) to leak out the wire core;

step 2: a wiring terminal is arranged at one end of the lead (1);

and step 3: sleeving the heat-shrinkable tube (2) on the wire (1) from the other end of the wire (1), adjusting the heat-shrinkable tube (2) to a preset position, and heating the heat-shrinkable tube (2) to wrap the heat-shrinkable tube on the wire (1);

and 4, step 4: sleeving the ant-proof pipe (3) at a preset position on the lead (1) from one end in the step (3), and finishing the manufacturing of the wire harness;

in the step 3 and the step 4, the heat-shrinkable tube (2) and the ant-proof tube (3) are sleeved by adopting a wire harness processing system, the wire harness processing system comprises a transfer mechanism (10), and a rod-shaped mechanical arm (11) and a pipe supporting mechanical arm (12) are arranged on the transfer mechanism (10); the rod-shaped mechanical arm (11) and the pipe supporting mechanical arm (12) are connected with the transfer mechanism (10) in a sliding mode along the parallel direction, a clamping jaw (111) is arranged at one end of the rod-shaped mechanical arm (11), and the sliding path of the rod-shaped mechanical arm (11) penetrates through the pipe supporting mechanical arm (12); a pipe placing station (20), a pipe arranging station (30), a sleeving station (40), a pipe withdrawing station (50), a discharging station (60) and a resetting station (70) are sequentially arranged on a transfer path of the transfer mechanism (10); the pipe placing station (20) is provided with a pipe placing mechanism, and the pipe placing mechanism is used for sleeving the ant-proof pipe (3) on the pipe supporting manipulator (12); the tube arranging station (30) is provided with a tube arranging mechanism, and the tube arranging mechanism is used for sleeving the heat shrinkable tube (2) on the rod-shaped mechanical arm (11); the sleeving station (40) is provided with a wire arranging mechanism (90) and a pipe fixing mechanism (80), the wire arranging mechanism (90) is used for aligning the wire head of the wire (1) to a clamping jaw (111) of the rod-shaped mechanical arm (11), the pipe fixing mechanism (80) is used for fixing the heat-shrinkable pipe (2) on the rod-shaped mechanical arm (11) in a fixing mode, and the rod-shaped mechanical arm (11) clamps the wire (1) at the station and pulls the wire (1) to enable the wire to penetrate through the heat-shrinkable pipe (2) and the pipe supporting mechanical arm (12); the pipe fixing mechanism (80) further comprises a heating device, and when the heat shrinkable pipe (2) is sleeved at the designated position on the lead (1), the heating device heats the heat shrinkable pipe (2) to enable the heat shrinkable pipe (2) to be wrapped on the lead (1); the pipe withdrawing station (50) is provided with a pipe withdrawing driving mechanism for driving the pipe supporting manipulator (12) to be withdrawn from the ant-proof pipe (3); the discharging station (60) is provided with a discharging driving mechanism for driving a clamping jaw (111) of the rod (115) -shaped mechanical arm (11) to loosen the lead (1); the reset station (70) is provided with a reset driving mechanism for driving the two semicircular groove rods (121) of the pipe supporting manipulator (12) to be mutually folded.

2. The wire harness according to claim 1, characterized in that: the rod-shaped mechanical arm (11) comprises a fixed rod (113) and an expansion rod (114) which is arranged on at least one side of the fixed rod (113) and is parallel to the fixed rod (113), and the expansion rod (114) is movably connected with the fixed rod (113) along the vertical direction of the length direction of the fixed rod (113); a guide plate (1141) is fixedly connected to the expansion rod (114), a waist-shaped hole (1142) is formed in the guide plate (1141), the length direction of the waist-shaped hole (1142) and the length direction of the fixing rod (113) form an included angle, a driving rod (115) movably arranged along the length direction of the rod is arranged on the fixing rod (113), a driving pin (1151) is arranged on the driving rod (115), and the driving pin (1151) and the waist-shaped hole (1142) form sliding fit; the clamping jaw (111) comprises two clamping plates (1111) arranged at one end of a fixing rod (113), grooves are formed in opposite sides of the two clamping plates (1111), a pressing plate (1113) is arranged between the two clamping plates (1111), two elastic blocks (1114) are arranged between the pressing plate (1113) and the side walls of the two clamping plates (1111), the pressing plate (1113) is fixedly connected with the driving rod (115), and when the pressing plate (1113) and the groove walls of the two clamping plates (1111) are close to each other, the two elastic blocks (1114) are extruded to expand to the area between the two clamping plates (1111) so as to clamp the wire end of the lead (1); the guide plate (1141) is assembled in such a way that the expansion rod (114) and the fixing rod (113) are close to each other when the driving clamping jaws (111) are driven by the driving rod (115) to clamp, and the expansion rod (114) and the fixing rod (113) are far away from each other when the driving clamping jaws (111) are loosened by the driving rod (115).

3. The wire harness according to claim 2, characterized in that: the pipe supporting manipulator (12) comprises two semicircular groove rods (121) which are arranged in parallel, and notches of the two semicircular groove rods (121) are arranged oppositely; the two semicircular groove rods (121) are oppositely opened and closed and are arranged on the second sliding seat (123), and the second sliding seat (123) is arranged on the transfer mechanism (10) in a sliding manner along the length direction of the semicircular groove rods (121); a partition plate (122) is arranged on the sliding path of the second sliding seat (123), and a through hole (1221) for the two semicircular groove rods (121) to pass through is formed in the partition plate (122); the pipe racking manipulator (12) further comprises a link mechanism which is assembled in such a manner that the two semicircular groove rods (121) are kept in a relatively closed state in the process that the two semicircular groove rods (121) are inserted into the through holes (1221) of the partition plate (122), and can be automatically opened after the two semicircular groove rods (121) are inserted for a preset distance, and the two semicircular groove rods (121) are kept in a relatively opened state when the two semicircular groove rods (121) are withdrawn from the through holes (1221) in opposite directions.

4. The wire harness according to claim 3, characterized in that: the linkage mechanism comprises a third sliding seat (124) connected with the second sliding seat (123) in a sliding manner, and the third sliding seat (124) is positioned on one side, away from the partition plate (122), of the second sliding seat (123); the semicircular grooved rod (121) is connected with the second sliding seat (123) in a sliding mode through a sliding block (1211), a fourth pressure spring (126) is arranged between the sliding block (1211) and the second sliding seat (123), the fourth pressure spring (126) is assembled to enable the elastic force of the fourth pressure spring to drive the two semicircular grooved rods (121) to be folded, an inclined surface is arranged on the sliding block (1211), a wedge block (125) is arranged on the third sliding seat (124), when the third sliding seat (124) slides towards the direction of the partition plate (122), the wedge block (125) firstly abuts against the inclined surface, the wedge block (125) pushes the second sliding seat (123) to slide towards the direction of the partition plate (122), when the second sliding seat (123) slides to the limit position, the second sliding seat (123) is blocked, and the wedge block (125) begins to extrude the sliding block (1211) towards two sides, so that the two semicircular grooved rods (121) are far away from each other; the wedge block (125) is connected with the third sliding seat (124) in a sliding mode, when the third sliding seat (124) approaches to the second sliding seat (123), the third sliding seat (124) is in blocking connection with the wedge block (125) so that the wedge block (125) is pushed between the sliding blocks (1211) of the two semicircular grooved rods (121), when the third sliding seat (124) moves away from the second sliding seat (123), the wedge block (125) is retained between the two sliding blocks (1211) under the clamping force of the two sliding blocks (1211), and therefore the two semicircular grooved rods (121) are pulled out of the through hole (1221) of the partition plate (122) in a mutually away state.

5. The wire harness according to claim 4, characterized in that: the pipe discharging mechanism comprises a second discharging groove (21), the second discharging groove (21) is vertically arranged, the ant-proof pipes (3) are arranged in the second discharging groove (21) in a single row along the vertical direction, the bottom of one side wall of the second discharging groove (21), which is parallel to the length direction of the ant-proof pipes (3), is provided with a pipe outlet (22), the width of the pipe outlet (22) is smaller than the diameter of one ant-proof pipe (3) in a free state, and the minimum width of the cross section of the ant-proof pipe (3) is smaller than the width of the pipe outlet (22) when the ant-proof pipe (3) is tensioned into a flat state by two semicircular groove rods (121); the second row of material groove (21) is equipped with the jack that corresponds with the bottommost both sides wall bottom that prevents ant pipe (3) both ends corresponding, the jack link up with play mouth of pipe (22), and when prop a tub manipulator (12) and be located put tub station (20), the jack is located the slip path of two semi-circular grooved bars (121).

6. The wire harness according to claim 5, characterized in that: the pipe arranging mechanism comprises a first pipe arranging groove (31), the first pipe arranging groove (31) is vertically arranged, the heat shrinkable tube (2) is arranged in the first pipe arranging groove (31) in a single row along the vertical direction, a discharge hole (32) is formed in the bottom of one side wall of the first pipe arranging groove (31), the bottom of the side wall is parallel to the length direction of the heat shrinkable tube (2), the width of the discharge hole (32) is smaller than the diameter of the heat shrinkable tube (2) in a free state, and the minimum width of the cross section of the heat shrinkable tube (2) is smaller than the width of the discharge hole (32) when the heat shrinkable tube (2) is tensioned into a flat state by a fixing rod (113) and an expansion; and the bottoms of two side walls corresponding to two ends of the first discharging groove (31) and the heat shrinkable tube (2) are provided with jacks corresponding to the end part of the bottommost heat shrinkable tube (2), the jacks are communicated with the discharging hole (32), and when the rod-shaped mechanical arm (11) is positioned at the discharging station (30), the jacks are positioned on a sliding path of the rod-shaped mechanical arm (11).

7. The wire harness according to claim 6, characterized in that: the pipe fixing mechanism (80) comprises a first clamping block (91) (81) and a second clamping block (91) (82) which are mutually opened and closed along the vertical direction, strip grooves for accommodating the heat shrinkable pipe (2) are respectively arranged on the opposite sides of the first clamping block (91) (81) and the second clamping block (91) (82), a cavity (801) is arranged in the first clamping block (91) (81) and the second clamping block (91) (82), the cavity (801) is communicated with the negative pressure pipe (87), and an air passage (802) penetrating through the cavity (801) and the strip groove walls is arranged between the cavity (801) and the strip groove walls; the heating device comprises a first half shell (83) and a second half shell (84) which are mutually opened and closed along the vertical direction, the first half shell (83) is in sliding connection with first clamping blocks (91) (81) along the vertical direction, a first pressure spring (85) is arranged between the first half shell (83) and the first clamping blocks (91) (81), and the first pressure spring (85) is assembled to enable the elasticity of the first pressure spring to drive the first half shell (83) to move downwards relative to the first clamping blocks (91) (81); the second half shell (84) is connected with the second clamping blocks (91) (82) in a sliding mode in the vertical direction, a second compression spring (86) is arranged between the second half shell (84) and the second clamping blocks (91) (82), and the second compression spring (86) is assembled to enable the elasticity of the second compression spring to drive the second half shell (84) to move upwards relative to the second clamping blocks (91) (82); the first half shell (83) and the second half shell (84) are firstly folded in the process that the first clamping blocks (91) (81) and the second clamping blocks (91) (82) are close to each other, and then the first clamping blocks (91) (81) and the second clamping blocks (91) (82) are folded to compress the first compression spring (85) and the second compression spring (86); the first clamping blocks (91) (81) and the second clamping blocks (91) (82) are positioned in a clamping cavity formed after the first half shell (83) and the second half shell (84) are folded; a hot air pipeline (88) is connected to the first half shell (83) and/or the second half shell (84); the first clamping blocks (91) and (81) are fixedly connected with the upper pressure plate through guide columns, the second clamping blocks (91) and (82) are fixedly connected with the lower pressure plate through guide columns, and the upper pressure plate and the lower pressure plate are fixedly connected with piston rods of two vertically arranged piston cylinders respectively.

8. The wire harness according to claim 7, characterized in that: the wire arranging mechanism (90) comprises a first rotary disc, the first rotary disc is rotatably connected with the rack along a vertical axis, a wire (1) is arranged on the disc surface of the first rotary disc along the radial direction of the first rotary disc, a clamping block (91) is arranged on the edge of the top surface of the first rotary disc, the clamping block (91) is in sliding connection with the first rotary disc along the vertical direction, a third pressure spring (92) is arranged between the clamping block (91) and the first rotary disc, the third pressure spring (92) is assembled to enable the clamping block (91) and the top surface of the first rotary disc to be mutually folded under the action of elasticity of the third pressure spring (92), and a wire head of the wire (1) is clamped between the clamping block (91) and the top surface of the rotary disc; a first push rod (93) is arranged at a position, corresponding to the sleeving station (40), below the first rotary disc, and the first push rod (93) is used for pushing the clamping block (91) to enable the clamping block (91) to be separated from the top surface of the first rotary disc.

9. The wire harness according to claim 8, characterized in that: the transfer mechanism (10) comprises a second rotary disc which is rotationally connected with the rack along a vertical axis; one end, far away from the clamping jaw (111), of the fixing rod (113) is fixedly connected with the first sliding seat (112), and the first sliding seat (112), the second sliding seat (123) and the third sliding seat (124) are in sliding connection with the second rotary disc along the radial direction of the second rotary disc; a first electric cylinder (103) is arranged at a position below the second rotary disk corresponding to the pipe arranging station (30), and a sliding block of the first electric cylinder (103) is in blocking connection with the first sliding seat (112) and is used for driving the first sliding seat (112) to slide outwards along the radial direction of the second rotary disk; a second electric cylinder (104) is arranged at the position below the second rotary disk corresponding to the sleeving station (40), and a sliding block of the second electric cylinder (104) is in blocking connection with the first sliding seat (112) and is used for driving the first sliding seat (112) to slide inwards along the radial direction of the second rotary disk.

10. The wire harness according to claim 9, characterized in that: a driving block (116) is arranged at one end, far away from the clamping jaw (111), of the driving rod (115), a top block (117) matched with the driving block (116) is arranged on the first sliding seat (112), a first wedge driving surface and a second wedge driving surface are arranged on the driving block (116), a first wedge driving surface and a second wedge driving surface are arranged on the top block (117), the first wedge driving surface is in interference fit with the first wedge surface, the second wedge driving surface is in interference fit with the second wedge surface, when the first wedge driving surface extrudes the first wedge surface, the driving rod (115) slides towards one end, where the clamping jaw (111) is located, relative to the fixing rod (113), and at the moment, the clamping jaw (111) clamps and the expansion rod (114) moves towards the direction close to the fixing rod (113); when the second wedge driving surface presses the second wedge surface, the driving rod (115) slides towards one end far away from the clamping jaw (111) relative to the fixed rod (113), at the moment, the clamping jaw (111) is loosened, and the expansion rod (114) moves towards the direction far away from the fixed rod (113); the pipe placing station (20) is provided with a fourth push rod (101) for driving the third sliding seat (124) to slide towards the direction of the partition plate (122); the pipe arranging station (30) is provided with a second push rod (102) which is used for pushing the top block (117) and pushing the second wedge driving surface to push the second wedge surface; the sleeving station (40) is provided with a third push rod (105) which is used for pushing the ejector block (117) and enabling the first wedge driving surface to push the first wedge surface; the pipe withdrawing driving mechanism comprises a fifth push rod (106) for driving the third sliding seat (124) to slide in a direction away from the partition plate (122); the discharging driving mechanism comprises a sixth push rod (107) for pushing the top block (117) to release the clamping jaw (111); the reset driving mechanism comprises a seventh push rod (108) for driving the wedge block (125) to be drawn out from between the two sliding blocks (1211).