CN111822925A

CN111822925A - Wire harness and automatic production method thereof

Info

Publication number: CN111822925A
Application number: CN202010709450.3A
Authority: CN
Inventors: 储运河
Original assignee: Anhui Yijiahong Electric Appliance Co ltd
Current assignee: Anhui Yijiahong Electric Appliance Co ltd
Priority date: 2020-07-22
Filing date: 2020-07-22
Publication date: 2020-10-27
Anticipated expiration: 2040-07-22
Also published as: CN111822925B

Abstract

The invention relates to a method for automatically producing a wire harness, which comprises the following steps: conveying A, B wires oppositely to a designated position of a welding station, and welding the opposite staggered ends of the wires by a welding mechanism to form a semi-finished wire harness; the material transferring mechanism clamps two ends of the semi-finished wire harness and moves the semi-finished wire harness to the specified position of the wrapping station; a wrapping mechanism of the wrapping station relatively moves to a specified position, and the welding position of the semi-finished wire harness is subjected to insulation treatment to form a finished wire harness; and the material transferring mechanism moves the finished wire harness to the specified position of the unloading station for unloading. The automatic wire harness telephone production method can realize the automatic production of wire harnesses, meet the requirement of mass production of the wire harnesses in the actual production process and reduce the labor intensity of operators.

Description

Wire harness and automatic production method thereof

Technical Field

The invention relates to the technical field of wire harness processing, in particular to a method for producing an automatic telephone of a wire harness.

Background

In the production process of the wire harness, original wires need to be welded to form the wire harness, and the welded wire harness is wound and wrapped by an insulating tape to realize insulating treatment. The existing treatment is semi-automatic treatment, and the wire harness is manually transferred among all the working procedures, so that the efficiency of the whole production process is low, the requirement of large-batch production is difficult to meet, the same action is repeated manually, and the labor intensity is high. Therefore, automation of the production process of the wire harness is urgently required.

Disclosure of Invention

In order to meet the requirement of mass production of wire harnesses and reduce the labor intensity of operators, the invention provides a method for realizing automatic production of wire harnesses.

The technical scheme adopted by the invention is as follows.

A method for producing a wire harness automatic telephone comprises the following steps:

conveying A, B wires to a specified position of a welding station in opposite directions, and welding the opposite staggered ends of the wires by a welding mechanism at the welding station to form a semi-finished wire harness; the material transferring mechanism clamps two ends of the semi-finished wire harness and moves the semi-finished wire harness to the specified position of the wrapping station; a wrapping mechanism of the wrapping station relatively moves to a specified position, and the welding position of the semi-finished wire harness is subjected to insulation treatment to form a finished wire harness; and the material transferring mechanism moves the finished wire harness to the specified position of the unloading station for unloading.

Preferably, the method comprises the following steps: will change the material mechanism and rotate the installation, will weld each station such as station, parcel station along changeing material mechanism pivoted circumference and arranging, change material mechanism through rotating and realize the transportation of pencil between each station.

Preferably, the method comprises the following steps: the material transferring mechanism is provided with a plurality of clamping parts, so that the simultaneous working of multiple stations such as a welding station, a wrapping station and the like is realized.

Preferably, the method comprises the following steps: the clamping and the unloading of the wire harness are realized by arranging two clamping pieces which are arranged oppositely and provided with V-shaped clamping openings.

Preferably, the method comprises the following steps: the clamping opening adjusting mechanism for adjusting the clamping opening of the clamping part is arranged on the material transferring mechanism, the clamping opening adjusting mechanism is rotatably arranged on the material transferring mechanism, the rotating axes of the clamping opening adjusting mechanism and the material transferring mechanism are consistent, the material transferring mechanism is used for marking the rotating direction of the clamping part transferred between the stations as forward rotation according to the processing sequence of the wire harness as reverse rotation, the rotating direction opposite to the forward rotation is marked as reverse rotation, the clamping part of the welding station is adjusted to be in an opening state, the clamping parts of the unloading station and the wrapping station are in a clamping state, after the wire harness at the welding station is welded and the wire harness at the wrapping station is wound, the clamping opening adjusting mechanism in an A1 state is started to reversely rotate by an angle a, so that an A1 adjusting piece on the clamping opening adjusting mechanism adjusts the clamping part at the welding station to close and clamp the welded wire harness, and an A2 adjusting piece adjusts the clamping part at the unloading station to open and unload and collect the wrapped wire harness, after the clamping opening adjusting mechanism is adjusted in place, the forward rotation angle a of the material transferring mechanism is adjusted, so that the wire harness clamped on the clamping part is transferred among stations, and meanwhile, the clamping opening adjusting mechanism is restored to the A1 state, and the process is repeated; the state A1 refers to the state that the A1 and A2 adjusting pieces on the clamping opening adjusting mechanism have transmission connection assembly relation with the clamping parts at the welding station and the discharging station or the transmission connection assembly relation can be realized in the process of reversely rotating the clamping opening adjusting mechanism by an angle a.

Preferably, the method comprises the following steps: the end parts of the A1 and the A2 clamping pieces on the same side are in meshing transmission connection through sector gear parts, an A2 gear is assembled on the material rotating mechanism corresponding to each clamping part, the A2 gear is in transmission connection with a1/a2 rotating shaft at the sector gear part on the A1/A2 clamping piece, and the clamping opening adjusting mechanism is rotated, so that the A1 and A2 adjusting pieces on the A2 and the A2 adjusting piece on the A3524 clamping piece respectively adjust the A2 gear arranged at the corresponding welding station and synchronously rotate with the A2 gear arranged at the corresponding unloading station to realize the closing and opening of the clamping part at the corresponding station.

Preferably, the method comprises the following steps: the A1 and A2 adjusting pieces are formed by two arc-shaped A1 and A2 tooth sections which are rotatably installed, one of the A1 and A2 tooth sections is installed on the outer side of an A2 gear, the other of the A1 and A2 tooth section is installed on the inner side of an A2 gear, and the A1 and A2 tooth sections are enabled to rotate synchronously with the A2 gear arranged at a welding station and the A2 gear arranged at a discharging station respectively in the process of rotating the A1 and A2 tooth sections.

Preferably, the method comprises the following steps: the welded wire harness clamped by the clamping part is rotated to a wrapping station, a section of insulating adhesive tape is hung at a material guide port on the wrapping unit, the welded wire harness and the wrapping unit are adjusted to move relatively, initial wrapping of the wire harness is completed when the wire harness is located at the center of a wrapping wheel arranged by the wrapping unit, and then the wrapping wheel automatically rotates to complete multi-layer wrapping of the wire harness.

Preferably, the method comprises the following steps: the insulating adhesive tape section with a fixed length is conveyed to the hanging strip assembly arranged on the wrapping station by the tape supply unit arranged on the wrapping station, one end of the insulating adhesive tape section is clamped by the hanging strip assembly, and after the wrapping unit and the wire harness relatively move to reach a specified position, the clamping opening is opened to release the insulating adhesive tape section, so that the insulating adhesive tape section is hung at the material guide opening of the wrapping unit;

preferably, the method comprises the following steps: through set up the conduction part that holds the pencil at the parcel unit, parcel unit and pencil relative movement's in-process, the pencil drives the central point that insulating adhesive tape section reachd the parcel wheel through conduction part and puts for the initial parcel is accomplished to the pencil, wherein wraps up and takes turns to and sets up the resilient means that clearance size is less than the outline size of welding department.

Preferably, the method comprises the following steps: the wrapping wheel is provided with the notch gear, the tooth part on the notch gear is meshed with the two synchronous transmission gears in a transmission manner to realize the continuous rotation of the wrapping wheel, and the distance between the two synchronous transmission gears is larger than the size of the tooth missing range at the notch position.

Preferably, the method comprises the following steps: the upstream of welding station is provided with peeling mechanism, and peeling mechanism upstream is provided with cuts off the station, cuts off the station upstream and is provided with the station of prepareeing material, and each station passes through the material transporting device and conveys the material at each station.

The wire harness welding machine uses the two guide devices to oppositely convey A, B wire materials to the designated position, and the welding mechanism at the corresponding position can finish the welding of the wire harness with high quality. The invention uses a material transferring mechanism, the material transferring mechanism is provided with a plurality of clamping parts, and each clamping part respectively corresponds to each station which is circumferentially arranged along the material transferring mechanism, and comprises a welding station, a wrapping station, an unloading station and the like. The multi-station simultaneous working can be realized by clamping a plurality of wire harnesses through a plurality of clamping parts, and the production efficiency is improved. The material transferring mechanism used by the invention can be used for transporting the wire materials and clamping and loosening the wire harness, and the material transferring mechanism can simplify the arrangement of the production line. Each station is arranged along the circumferential direction of the material rotating mechanism, so that the space can be effectively and reasonably utilized.

Drawings

Fig. 1 is an isometric view of a wire harness production apparatus provided by an embodiment of the present invention;

FIG. 2 is an isometric view of the harness production apparatus of FIG. 1 with the protective mask removed;

FIG. 3 is a front view of FIG. 2 and a partial enlarged view of the clamping portion;

FIG. 4 is an isometric view of the transfer mechanism shown in FIG. 2;

FIG. 5 is a state of motion of a front view of the adjustment member shown in FIG. 4;

FIG. 6 is another state of motion of a front view of the adjustment member shown in FIG. 4;

FIG. 7 is an isometric view of the nip adjustment mechanism of FIG. 2;

FIG. 8 is a front view of the wrapping station of FIG. 2;

FIG. 9 is an indication of relative movement of the wrapping wheel and the wiring harness of FIG. 8;

fig. 10 is an internal structure view of the wrapping unit in fig. 8;

FIG. 11 is an enlarged isometric view of the clamp of FIG. 3;

fig. 12 is an enlarged front view of the nip adjusting mechanism of fig. 8.

The reference numbers in the figures are: the wire material guiding mechanism 600, the welding station 200, the wrapping station 400, the unloading station 500, the material transferring mechanism 300, the welding mechanism 210, the wrapping mechanism 410, the belt feeding unit 420, the sling component 430, the wrapping unit 440, the wrapping wheel 450, the conduction part 451, the material guiding opening 452, the sling part 453, the A1 bracket 460, the A mounting seat 461, the ball 462, the transmission gear 464, the A1 bracket 470, the A2 bracket 480, the A guide rod 431, the spring 432, the A abutting part 438, the sling roller 434, the movable sling block 435, the fixed block 436, the sling connecting frame 437, the fixed belt roll 421, the belt fixing roller 422, the A1 guide roller 423, the A2 guide roller 424, the A3 guide roller 425, the clamping part 310, the material transferring bracket 330, the frame 350, the clamping opening adjusting mechanism 320, the material transferring shaft 360, the clamping opening adjusting shaft 380, the one-way transmission component 390, the A clamping unit 311, the B clamping unit 312, the A1 clamping part 313, the A2 clamping part 314, the A11, the A12 clamping piece 318, the A12 clamping piece, The device comprises a rotating shaft 315 of a1, a rotating shaft 316 of a2, a clamping piece 319 of A22, a clamping piece 711 of A21, a clamping unit 312 of B, a material transferring piece 332, a clamping arm 331, an adjusting piece 340 of A1, an adjusting piece 341 of A2, a gear 342 of A2, a rotating disc 343, a gear 321 of A1, a shaft 322 of A1, a material transferring motor 361, a clamping opening adjusting motor 381 and a protective cover 900.

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.

In order to realize the automatic production of the wire harness, the invention is mainly realized by the following steps: as shown in fig. 1 and 2, A, B wires are oppositely conveyed to a designated position of a welding station 200, and the ends, which are oppositely staggered, of the wires are welded by a welding mechanism 210 at the welding station 200 to form a semi-finished wire harness; the material transferring mechanism 300 clamps two ends of the semi-finished wire harness and moves the semi-finished wire harness to the designated position of the wrapping station 400; the wrapping mechanism 410 of the wrapping station 400 relatively moves to a designated position, and the welding position of the semi-finished wire harness is insulated to form the finished wire harness; the material transferring mechanism 300 moves the finished product wire harness to the designated position of the unloading station 500 for unloading.

As shown in fig. 1 and 2, in order to convey A, B wires in opposite directions, A, B wires at the upstream of the welding station are smoothly fed by two opposite guide mechanisms 600, a peeling mechanism 220 is further arranged at the upstream of the welding station 200, a cutting mechanism 230 is arranged at the upstream of the peeling mechanism 220, and the stations convey the materials at the stations through the material conveying device 600. The wire is guided to pass through the peeling mechanism 230 for peeling, is guided to pass through the cutting mechanism 230 for cutting, and is finally conveyed to the designated position of the welding station 200 through the guiding mechanism 600 for welding.

After the wire harness is subjected to the soldering process, the corresponding process of the next process is performed, so that the wire harness needs to be transported to the next process. The invention transfers the wire harness among the stations by using the transferring mechanism 300 which can transfer the wire harness and clamp and release the wire harness. As shown in fig. 1 and 2, each station is arranged along the circumferential direction of the material transferring mechanism 300, and the material transferring mechanism is preferably provided with a plurality of clamping

portions

310, 311, 312, 313 and the like with the same structure, each clamping portion is arranged corresponding to each station, each station can perform corresponding processing on the wire harness at the same time, for example, a welding station performs welding on the wire harness, a wrapping station wraps the wire harness, and an unloading station unloads the wire harness, and these operations are performed at the same time.

The clamping and the loosening of the wire harness are controlled by a clamping part of the material transferring mechanism. As shown in fig. 3, each clamping portion is provided with two oppositely arranged a1 clamping pieces 313 and a2 clamping pieces 314 which are provided with V-shaped clamping openings, and the ends of the a1 clamping pieces 313 and the a2 clamping pieces 314 on the same side are in sector gear transmission connection through a1 rotating shaft 316 and a2 rotating shaft 315. The rotation of the a1 rotating shaft 316 drives the a2 rotating shaft 315 to rotate reversely, so as to realize the clamping and loosening actions of the clamping part. The V-arrangement groove can be fine to realize the centre gripping to cylindric pencil, and on the one hand, the firm centre gripping of pencil can prevent unexpected the droing of pencil in the transportation, and on the other hand, the parcel station can realize high-quality parcel, insulation treatment to pressing from both sides tight pencil.

In order to realize the rotation of the a1 rotating shaft 316 or the a2 rotating shaft 315, one of the a1 rotating shaft 316 or the a2 rotating shaft 315 is in transmission connection with a clamping opening adjusting mechanism 320 arranged on the material transferring mechanism 300 through an A2 gear 342, a corresponding A2 gear corresponds to a plurality of clamping parts, and a plurality of

A2 gears

342, 343 and the like are also arranged. Preferably, as shown in fig. 4, the jaw adjusting mechanism 320 rotates to drive the a2 gear 342 to rotate, the a2 gear 342 drives the a1 rotating shaft 316 to rotate, the a1 rotating shaft 316 rotates to drive the sector gear on the rotating shaft to rotate, and the a1 clamping piece 313 and the a2 clamping piece 314 complete the closing or opening action through gear transmission.

The a2 gear 342 is adjusted by the nip adjusting mechanism 320, and the specific adjusting process is as follows. The clamping opening adjusting mechanism 320 comprises an A1 adjusting piece 340 and an A2 adjusting piece 341 which are formed by two arc-shaped A1 and A2 tooth sections which are rotatably installed, one of the A1 tooth section and the A2 tooth section is installed on the outer side of an A2 gear, the other of the A1 tooth section and the A2 tooth section is installed on the inner side of an A2 gear, and the A1 tooth section and the A2 tooth section are enabled to rotate synchronously with an A2 gear 342 arranged at a welding station and an A2 gear 343 arranged at a discharging station respectively in the process of rotating the A1 tooth section and the A2 tooth section. As shown in FIG. 5, the A1 adjuster 340 and the A2 adjuster 341 rotate in opposite directions simultaneously, the A1 adjuster 340 adjusts the A2 gear 342 to rotate in opposite directions through the A1 tooth segment, and the A2 adjuster 341 adjusts the A2 gear 343 to rotate in forward directions through the A2 tooth segment.

The clamping portion 310 is adjusted by the clamping opening adjusting mechanism 320 to clamp and loosen the wire harness, when the clamping portion 310 clamps the welded wire harness, the wire harness needs to be moved to the wrapping station 400, and the clamping portion 310 is adjusted by the clamping opening adjusting mechanism 320 when moving from the welding station 200 to the wrapping station 400. As shown in fig. 6 and 7, the a1 adjuster 340 and the a2 adjuster 341 rotate forward by an angle a simultaneously to rotate the a2 gear 343 by an angle a, and the a2 gear 343 rotates forward to rotate the clamping portion by an angle a.

The preferred material transferring mechanism 300 adjusts the opening and closing of the nip and transfers the wire harness as follows. Firstly, the clamping part 311 of the welding station 200 is in an open state, the clamping part 312 of the unloading station 500 and the clamping part 313 of the wrapping station 400 are in a clamping state, after the wire harness welding of the welding station 200 is completed and the wire harness winding of the wrapping station 400 is completed, the clamping opening adjusting mechanism 320 is started to rotate reversely by an angle a, the A1 adjusting piece 340 is driven to rotate reversely, the A1 adjusting piece 340 rotates reversely to drive the A2 gear 342 corresponding to the wrapping station to rotate reversely, the A2 adjusting piece 341 rotates reversely to drive the A2 gear 343 to rotate forwardly, the A2 gear 342 rotates reversely to drive the clamping part of the wrapping station to clamp, and the A2 gear 343 rotates forwardly to drive the clamping part of the unloading station to loosen so as to realize unloading. The clamping opening adjusting mechanism 320 is started to rotate forwards by an angle a, the A1 adjusting piece 340 and the A2 adjusting piece 341 together drive the A2 gear 343 at the unloading station 500 to rotate forwards, the A2 gear 343 rotates forwards to drive the clamping portion 312 at the unloading station 500 to move to the welding station and be in an opening state, and the clamping portion 313 at the wrapping station 400 is in a clamping state and moves to the unloading station. The adjusting mechanism 320 rotates in the reverse direction again by the angle a, and the process is repeated and circulated to continuously convey the wire harness.

After the material transferring mechanism 300 clamps the wire harness to reach the wrapping station, the wrapping mechanism 410 wraps the wire harness as follows. As shown in fig. 8, the welded wire harness clamped by the clamping portion 313 is rotated to a wrapping station, a section of insulating tape is hung at a material guiding opening 452 on the wrapping unit 440, the relative movement between the welded wire harness and the wrapping unit 440 is adjusted, when the wire harness is located at the center position of a wrapping wheel 450 arranged on the wrapping unit 440, the initial wrapping of the wire harness is completed, and then the wrapping wheel 450 rotates to complete the multi-layer wrapping of the wire harness.

As shown in fig. 8, a tape supply unit 420 is arranged on the wrapping station 400 to convey an insulating tape section with a fixed length to a hanging strip assembly 430 arranged on the wrapping station, the hanging strip assembly 430 clamps one end of the insulating tape section, and after the wrapping unit 440 and the wire harness relatively move to reach a specified position, a clamping opening is opened to release the insulating tape section, so that the insulating tape section is hung at a material guide opening 452 arranged on the wrapping unit 440;

as shown in fig. 9, a material guiding opening 452 for accommodating the wire harness is arranged on the wrapping unit, and in the process of relative movement of the wrapping unit and the wire harness, the wire harness drives the insulating adhesive tape section to reach the central position of the wrapping wheel through the material guiding opening 452, so that the initial wrapping of the wire harness is completed, wherein a strip part 453 with a gap size smaller than the size of the outer contour of the welding part is arranged on the wrapping wheel.

As shown in fig. 10, the wrapping wheel 450 is provided with a notch gear, and a tooth part on the notch gear is in meshing transmission connection with two synchronous transmission gears to realize continuous rotation of the wrapping wheel, wherein the distance between the two synchronous transmission gears is larger than the size of the range of the notch at the notch position.

In order to realize the automatic production of the wire harness, the integral structure of the automatic wire harness production equipment provided by the invention is shown in figures 1 and 2. The automatic wire harness production equipment comprises a A, B guiding mechanism 600 for supplying A, B wire, a welding mechanism 210 for welding the ends of A, B wire, and a wrapping mechanism 410 for insulating and wrapping the welding position of A, B wire. A. The B guiding and conveying mechanisms 600 are respectively arranged at the outer sides of the two end parts of the welding mechanism 210 and used for conveying A, B wires to the welding mechanism in opposite directions, and the A, B wires are welded to form a wire harness. The wrapping mechanism 410 is located on the outer side of the edge of the welding mechanism, the material transferring mechanism 300 is arranged between the welding mechanism and the wrapping mechanism, the material transferring mechanism 300 is used for transferring the welded wire harness to the wrapping mechanism 410, the material transferring mechanism 300 comprises a plurality of clamping

parts

310, 311, 312 and 313 which are identical in structure and used for clamping two ends of the wire harness, each clamping part is installed on the material transferring support 330, and the material transferring support 330 is movably installed on the rack 350.

The working process of the automatic wire harness production equipment is as follows: A. b guide and send mechanism 600 to welding mechanism looks transport A, B wire rod, A, B wire rod constitutes the pencil after welding mechanism welds, changes clamping part 311 on the mechanism 300 of expecting to the tight state by the unclamping state adjustment, presss from both sides the pencil tightly, again through change material mechanism 300 with the pencil transport to parcel mechanism department parcel, transport the station of unloading through changeing material mechanism 300 after the parcel is accomplished, clamping part is adjusted to the unclamping state by the clamping state, unloads the pencil. Unload and transport parcel mechanism department with the clamping part through changeing material mechanism once more after the completion, at this moment, the clamping part is the state of unclamping, so circulate repeatedly.

Preferably, the invention is provided with 4 clamping parts with the same structure, when the clamping part of the welding station clamps the wiring harness to leave the welding station and transfer to the wrapping station, the clamping part of the unloading station can be transferred to the welding mechanism, and the clamping part of the wrapping station can be transferred to the unloading station, thereby completing uninterrupted production. Of course, more than 4 clamping portions may be provided as the case may be.

In order to realize the grabbing and loosening functions of the wire harness, as shown in fig. 4, each clamping part comprises an A clamping unit 311, a B clamping unit 312 and an A, B clamping unit which respectively clamp two ends of the wire harness, the A clamping unit is the same in structure and consists of an A1 clamping piece 313 and an A2 clamping piece 314, a clamping opening for clamping the wire harness is formed between the A1 clamping piece and the A2 clamping piece, the A1 and the A2 clamping pieces are movably installed, the A1 and the A2 clamping pieces are connected with a clamping opening adjusting mechanism, and the clamping opening adjusting mechanism adjusts the clamping opening to open and clamp the wire harness. The two ends of the wiring harness clamped by the clamping units A311 and B312 are beneficial to keeping the wiring harness balanced in the transferring process, and meanwhile, the wiring harness is conveniently wrapped by the subsequent wrapping stations.

As shown in FIG. 3, the a ends of the A1 and A2 clamping pieces are respectively rotatably mounted on the clamping arms through a1 rotating shaft 315 and a2 rotating shaft 316, the a ends of the A1 and A2 clamping pieces are in meshing transmission connection through the arranged fan-tooth parts, the b ends of the A1 and A2 clamping pieces are respectively provided with a1 clamping part and a2 clamping part which form the clamping openings, and the a ends and the b ends are two end parts of the A1 clamping pieces and the A2 clamping pieces. If a driving mechanism is used for driving the a2 rotating shaft 316 to rotate clockwise, the a2 rotating shaft 316 rotates clockwise and simultaneously drives the clamping opening to open under the action of meshing with the a1 rotating shaft 315 through the sector gear part, and the clamping opening is also driven to open by rotating counterclockwise.

In order to realize reliable grabbing of the wire harness, as shown in fig. 11, the a1 clamping piece comprises two a11 clamping pieces 317 and one a12 clamping piece 318, the two a11 clamping pieces are positioned at the outer sides of the a12 clamping pieces along the axial direction of the a1 rotating shaft, the a11 clamping piece and the a12 clamping piece are sequentially arranged along the length direction of the a1 clamping piece, and a V1 clamping opening part of a V shape is formed at the adjacent part of the a11 clamping piece and the a12 clamping piece; the A2 clamping piece comprises two A22 clamping pieces 319 and an A21 clamping piece 711, the two A22 clamping pieces are positioned at the outer side of the A21 clamping piece along the axial direction of the a2 rotating shaft, the A21 clamping pieces and the A22 clamping pieces are sequentially arranged along the length direction of the A2 clamping piece, V2 clamping openings of V-shaped are formed at the positions, close to the A21 clamping pieces and the A22 clamping pieces, of the V1 and the V2 clamping openings correspondingly form the clamping openings, the A12 clamping pieces are arranged corresponding to the interval areas between the two A22 clamping pieces, and the A21 clamping pieces are arranged corresponding to the interval areas between the two A11 clamping pieces. The clamping piece is provided with protruding clamping pieces which are arranged in opposite directions, and the wiring harness is reliably clamped through the two measures.

The specific structure of the adjusting mechanism for adjusting the nip is shown in fig. 5, the material transferring bracket 330 is rotatably mounted on the frame 350, the material transferring adjusting mechanism adjusts the material transferring bracket to rotate, and the rotating shaft rotatably mounted on the material transferring bracket 330 is consistent with the guiding direction of the A, B guiding mechanism. The material transferring bracket 330 comprises material transferring parts 332 assembled on the material transferring shaft 360, clamping arms 331 are arranged on the material transferring parts at two ends of the material transferring shaft 360 at intervals along the circumferential direction of the material transferring parts, the clamping arms 331 are arranged along the radial direction of the material transferring parts, the material transferring adjusting mechanism 370 is connected with the material transferring shaft 360, and the clamping parts 310 are assembled on the clamping arms 331 correspondingly arranged on the material transferring parts. As shown in fig. 4, the nip adjusting mechanism 320 includes nip adjusting portions disposed corresponding to the respective gripping portions, the nip adjusting portions include an a1 gear 321 and an a1 shaft 322 assembled on the a1 rotating shaft 316, two ends of the a1 shaft 322 are rotatably mounted on the two supporting arms, the a1 shaft 322 is disposed parallel to the material rotating shaft, two ends of the a1 shaft 322 are respectively connected with the a1 gear 321 in a transmission manner, and the a1 shaft is provided with an a2 gear. The nip adjusting mechanism 320 comprises an A1 adjusting piece 340 and an A2 adjusting piece 341, wherein the A1 adjusting piece 340, the A2 adjusting piece 341 and the material rotating shaft 360 are concentrically arranged. As shown in fig. 5, the a1 adjusting piece 340 is formed by a ring-shaped piece, an a1 tooth segment is arranged on the inner ring surface of the ring-shaped piece, the a2 adjusting piece 341 is formed by an incomplete gear provided with an a2 tooth segment, the a1 adjusting piece 340 is sleeved on the periphery of the a2 adjusting piece 341, each a2 gear is located between the a1 and the a2 adjusting pieces, one of the a1 and the a2 tooth segments is arranged corresponding to the a2 gear 342 at the welding station, and the other of the a1 and the a2 tooth segments is arranged corresponding to the a2 gear 343 at the unloading station.

The specific working process of the clamping opening adjusting mechanism is as follows: the direction of turning the clamping part at the position of the material transferring shaft adjusting welding station upwards to the wrapping station is recorded as forward rotation, and the reverse rotation is opposite to the forward rotation direction, as shown in fig. 6, when the material transferring bracket is adjusted by the material transferring adjusting mechanism to rotate forward, the a1 adjusting piece 340 and the a2 adjusting piece 341 can drive the a2 gear 343 to rotate forward synchronously, if the material transferring bracket 330 is connected and assembled with the a2 gear 343, the material transferring bracket 330 can also rotate forward synchronously along with the a2 gear 343, that is, the material transferring bracket 330 can be adjusted by the a1 adjusting piece 340 and the a2 adjusting piece 341;

as shown in fig. 5, when the a1 adjusting piece 340 and the a2 adjusting piece 341 rotate in opposite directions synchronously, the material transferring bracket 330 remains stationary, and the a1 adjusting piece 340 and the a2 adjusting piece 341 adjust the rotation of the a2 gear 342 at the welding station and the a2 gear 343 at the unloading station. If the gear 342 of the A2 is in transmission connection with the clamping part at the discharging station, and the gear 343 of the A2 is in transmission connection with the clamping part at the welding station, the different states of the clamping parts at the welding station and the discharging station can be simultaneously controlled by the rotation of the A1 adjusting piece 340 and the A2 adjusting piece 341, so that the different clamping mouth states of the clamping parts at the welding station and the discharging station can be kept.

The adjustment of the jaws is achieved by providing a connection between the jaws and the a2 gear, the rotation of the a2 gear being transmitted by the connection to the a1 shaft of the jaws. In a specific operation mode, as shown in fig. 7, each a2 gear is arranged at the end of the a1 shaft 322 extending to the outer side of the supporting arm, a driven member 324 is further arranged on the a1 shaft 322, and the driven member 324 rotates along with the rotation of the a2 gear. The A1 adjusting piece 340 and the A2 adjusting piece 341 are fixedly installed on the rotating disc 343 through screws, the rotating disc 343 is assembled on the clamping opening adjusting shaft 380, and the two adjusting pieces are uniformly adjusted through the clamping opening adjusting shaft. The clamping port adjusting shaft 380 and the material transferring shaft 360 are concentrically arranged in a forward extending mode and are connected through an A1 one-way transmission assembly 390, one end of the material transferring shaft 360 is in transmission connection with a material transferring motor 361 forming a material transferring adjusting mechanism, the other end of the clamping port adjusting shaft is in transmission connection with a clamping port adjusting motor 381 through an A2 one-way transmission assembly, and the transmission locking directions of the A1 one-way transmission assembly and the A2 one-way transmission assembly are opposite.

The specific embodiment of adjusting the nip is as follows: for example, the clamping opening adjusting motor 381 can only drive the material rotating shaft 360 to rotate reversely under the action of the one-way transmission assembly 390, the material rotating shaft drives the a1 adjusting piece 340 and the a2 adjusting piece 341 to rotate reversely at the same time, the a1 adjusting piece 340 and the a2 adjusting piece 341 to rotate reversely at the same time to drive the a2 gear 342 at the welding station and the a2 gear 343 at the discharging station to rotate, the a2 gear 342 and the a2 gear 343 to rotate respectively drive the adjusting pieces on the a1 shaft to rotate, the adjusting pieces are in transmission connection with the a1 shaft to drive the a1 shaft to rotate, and the a1 shaft rotates to drive the fan gear to rotate, so that the clamping opening at the discharging station is realized, and the clamping opening at the wrapping station is closed.

The specific implementation case of adjusting the transfer is as follows: the material transferring motor 361 can only drive the material transferring shaft 360 to rotate forward under the action of the one-way transmission assembly 390, the material transferring shaft drives the A1 adjusting piece 340 and the A2 adjusting piece 341 to rotate forward simultaneously, one of the A2 gears is driven to rotate forward together, the A2 gear drives the A1 shaft to rotate, the A1 shaft drives the material transferring bracket 330 to rotate, and the clamping part is transferred at each station.

The above process can be summarized as follows: when the welding mechanism finishes welding the wire harness and the wrapping station finishes wrapping the wire harness, the motor for controlling the clamping opening reversely rotates, the clamping opening at the welding station is adjusted to be changed from a loose state to a tight state, the clamping opening at the unloading station is changed from a tight state to a loose state, after the states are finished, the other motor for controlling the material transfer forwardly rotates to drive the clamping part at the unloading station to forwardly rotate to the welding station, the clamping part at the unloading station can also move to the unloading station, the clamping part at the welding station moves to a vacant section, the clamping part at the vacant section moves to the wrapping station, the clamping opening at the welding station is in a loose state, the clamping part at the unloading station is in a tight state, the other two stations are also in tight states, the motor for controlling the clamping opening to reversely rotate again, and the cycle is realized, therefore, uninterrupted transfer work of the wire harness is realized.

The nip adjusting motor 381 is a stepping motor, and the transferring motor 361 is a stepping motor.

For safety, a protective cover 900 is added to the material transfer mechanism as shown in fig. 1.

The welding mechanism 210 is one of diffusion welding, high frequency welding, cold pressure welding, and ultrasonic welding.

The overall structure of the wrapping mechanism for insulating the wire harness is as follows: as shown in fig. 8, the wrapping mechanism includes a wrapping unit 440 for wrapping an insulating tape on a welding position and a tape supplying unit 420 for supplying the insulating tape to the wrapping unit, the wrapping unit includes a wrapping wheel 450, the wrapping wheel 450 is rotatably mounted on a rack a1, the wrapping wheel 450 is connected with a wrapping adjusting mechanism for adjusting the wrapping wheel to rotate, a guiding part 451 for accommodating a wire harness is provided in the middle of the wrapping wheel, the guiding part 451 penetrates through the wrapping wheel along the axial direction of the wrapping wheel, a material guiding opening 452 for allowing the welding position on the wire harness outside the wrapping wheel to enter the guiding part is further provided on the wrapping wheel 450, the insulating tape supplied by the supplying unit 420 covers the material guiding opening 452, a ribbon stripping member 453 for initially wrapping the welding position of the insulating tape is provided at the material guiding opening 452, the ribbon stripping member 453 is respectively provided at the welding position from both outer sides of the material guiding opening moving path, the wrapping wheel 450 and a clamping portion in a2 state are relatively slidably mounted in a direction, the a direction is a spacing direction between the clamping part and the wrapping wheel in the A2 state.

The working process of the wrapping mechanism is as follows: the wrapping wheel 450 drives the insulating adhesive tape covering the material guide opening 452 to move towards the wire harness, the wire harness is not moved, the insulating adhesive tape can wrap the wire harness initially due to the material guide opening 452 in the process that the insulating adhesive tape and the wire harness move relatively, as shown in fig. 9, after the wire harness reaches the position of the conduction part 451 at the center of the wrapping wheel, the wrapping wheel 450 rotates, the wire harness is still moved, and the wrapping wheel strokes the insulating adhesive tape to complete multilayer wrapping of the wire harness.

The specific structure of the material guide opening 452 on the wrapping wheel is shown in fig. 9, the strip part 453 is composed of elastic brush layers arranged on the wall of the opening forming the material guide opening, the size of a gap between the two elastic brush layers is smaller than the size of the outer contour of a welding part, and the size of the outer contour of the welding part is smaller than the size of the outer contour of the welding part, so that initial wrapping can be well completed in the wire bundle smoothing and conveying process.

The insulating tape covering the material guiding opening is provided by a tape supplying unit 420, the specific structure of which is shown in fig. 8, the tape supplying unit 420 comprises a tape fixing component for fixing a tape roll 421 and adjusting the tape roll to rotate to release the insulating tape, a tape guiding component for guiding the insulating tape, a tape cutting component for cutting the insulating tape and a hanging strip component for enabling the cut tape section to be arranged in a hanging manner to cover the material guiding opening, and the tape cutting component is positioned between the hanging strip component and the tape guiding component. The wrapping unit and the hanging strip assembly are installed on an A1 support 470, the fixing strip assembly, the guide strip assembly and the cutting strip assembly are installed on an A2 support 480, a hanging strip clamping opening is formed in the hanging strip assembly, the size of the hanging strip clamping opening is adjustable, the A1 support 470 is movably installed along the direction a, and the A2 support 480 is fixedly installed. The belt fixing component comprises a rotatably mounted belt fixing roller 422, the belt fixing roller is located on the upper side of the belt guide component, the belt guide component comprises a rotatably mounted A1 belt guide roller 423 and a rotatably mounted A2 belt guide roller 424, the A1 belt guide roller is located on the upper side of the A2 belt guide roller, the A1 belt guide roller is far away from the belt fixing roller than the A2 belt guide roller along the a direction, the A3 belt guide roller 425 is arranged right below the A2 belt guide roller, the outer contour sizes of the A3 belt guide roller and the A2 belt guide roller are consistent, and the belt cutting component is arranged on the lower side of the A3 belt guide roller.

The working process of the belt supply unit comprises the following steps: the fixed tape roll 421 releases the insulating tape through the tape fixing component, and the insulating tape is guided to the tape cutting component through the tape guiding component, and the tape cutting component cuts the insulating tape with a certain length each time.

The cut length of the insulating tape is clamped to the suspended material guiding opening through a hanging belt assembly, the specific structure of the hanging belt assembly is shown in fig. 12, the hanging belt assembly is positioned at the lower side of the cutting belt assembly, the hanging belt assembly comprises a hanging belt roller 434 which is rotatably installed and a fixing block 436 which is fixedly installed on an A2 support, and the hanging belt clamping opening is formed between the hanging belt roller 434 and the fixing block 436. The sling clamping opening is adjusted by the sling clamping opening adjusting component. The sling clamp opening adjusting assembly further comprises an A guide rod 431 and an A spring 432, wherein the A guide rod 431 and the A spring 432 are arranged on an A1 support in a floating mode through a guide rod 433.

The working process of the sling component comprises the following steps: the wrapping unit 440 drives the guide rod 433 to move towards the wire harness, the guide rod 433 drives the A guide rod 431 to move towards the wire harness, the A guide rod 431 drives the lifting belt roller 434 to move towards the wire harness, and the clamping opening is opened, so that the insulating tape is released. The wrapping unit 440 drives the guide rod 433 to be far away from the wire harness, the guide rod 433 drives the guide rod A431 to move, the guide rod A drives the lifting belt roller to move to the fixing block 436, the insulating adhesive tape is cut by the cutting belt assembly, and the lifting belt roller and the fixing block 436 clamp the insulating adhesive tape tightly.

The autorotation of the wrapping wheel 450 is realized by the transmission connection of two synchronous transmission gears, the specific structure is shown in fig. 10, two ends of the wrapping wheel are provided with an A mounting seat 461, the A mounting seat is provided with a vacancy part correspondingly arranged with the material guide port and the conduction part, the mounting seat is provided with a circular arc-shaped arranged ball 462, two ends of the wrapping wheel 450 are rotatably mounted through the ball 462, the wrapping wheel 450 is provided with a notch gear, the position of the notch on the notch gear is consistent with the position of the material guide port, the tooth part on the notch gear is in meshing transmission connection with the two synchronous transmission gears 464 and 465, the distance d between the two synchronous transmission gears 464 and 465 is larger than the size a of the vacancy range at the notch position, and the two synchronous transmission gears are in meshing transmission connection with.

The working process of the wrapping wheel comprises the following steps: the motor drives the gear 466 to rotate anticlockwise, the gear 466 rotates anticlockwise to drive the two synchronous transmission gears to rotate clockwise, and the two synchronous transmission gears rotate clockwise to drive the wrapping wheel 450 to rotate anticlockwise. Because the wrapping wheel 450 is provided with the material guide port, a section of gear is not required, and the continuous rotation of the wrapping wheel 450 can be ensured because the meshing distance d between the two synchronous transmission gears 464 and 465 is larger than the size of the tooth missing range at the position of the notch.

Claims

1. An automatic production method of a wire harness is characterized by comprising the following steps:

conveying A, B wires to a specified position of a welding station in opposite directions, and welding the opposite staggered ends of the wires by a welding mechanism at the welding station to form a semi-finished wire harness;

the material transferring mechanism clamps two ends of the semi-finished wire harness and moves the semi-finished wire harness to the specified position of the wrapping station;

a wrapping mechanism of the wrapping station relatively moves to a specified position, and the welding position of the semi-finished wire harness is subjected to insulation treatment to form a finished wire harness;

and the material transferring mechanism moves the finished wire harness to the specified position of the unloading station for unloading.

2. The method for manufacturing an automatic telephone according to claim 1, comprising the steps of: will change the material mechanism and rotate the installation, will weld each station such as station, parcel station along changeing material mechanism pivoted circumference and arranging, change material mechanism through rotating and realize the transportation of pencil between each station.

3. The method for manufacturing a wire harness according to claim 2, comprising the steps of: the material transferring mechanism is provided with a plurality of clamping parts, so that the simultaneous working of multiple stations such as a welding station, a wrapping station and the like is realized.

4. The method for manufacturing a wire harness according to claim 3, comprising the steps of: the clamping and the unloading of the wire harness are realized by arranging two clamping pieces which are arranged oppositely and provided with V-shaped clamping openings.

5. The method for manufacturing an automatic telephone according to claim 1, comprising the steps of: the clamping opening adjusting mechanism for adjusting the clamping opening of the clamping part is arranged on the material transferring mechanism, the clamping opening adjusting mechanism is rotatably arranged on the material transferring mechanism, the rotating axes of the clamping opening adjusting mechanism and the material transferring mechanism are consistent, the material transferring mechanism is used for marking the rotating direction of the clamping part transferred between the stations as forward rotation according to the processing sequence of the wire harness as reverse rotation, the rotating direction opposite to the forward rotation is marked as reverse rotation, the clamping part of the welding station is adjusted to be in an opening state, the clamping parts of the unloading station and the wrapping station are in a clamping state, after the wire harness at the welding station is welded and the wire harness at the wrapping station is wound, the clamping opening adjusting mechanism in an A1 state is started to reversely rotate by an angle a, so that an A1 adjusting piece on the clamping opening adjusting mechanism adjusts the clamping part at the welding station to close and clamp the welded wire harness, and an A2 adjusting piece adjusts the clamping part at the unloading station to open and unload and collect the wrapped wire harness, after the clamping opening adjusting mechanism is adjusted in place, the forward rotation angle a of the material transferring mechanism is adjusted, so that the wire harness clamped on the clamping part is transferred among stations, and meanwhile, the clamping opening adjusting mechanism is restored to the A1 state, and the process is repeated; the state A1 refers to the state that the A1 and A2 adjusting pieces on the clamping opening adjusting mechanism have transmission connection assembly relation with the clamping parts at the welding station and the discharging station or the transmission connection assembly relation can be realized in the process of reversely rotating the clamping opening adjusting mechanism by an angle a.

6. The method for manufacturing an automatic telephone according to claim 5, comprising the steps of: the end parts of the A1 and the A2 clamping pieces on the same side are in meshing transmission connection through sector gear parts, an A2 gear is assembled on the material rotating mechanism corresponding to each clamping part, the A2 gear is in transmission connection with a1/a2 rotating shaft at the sector gear part on the A1/A2 clamping piece, and the clamping opening adjusting mechanism is rotated, so that the A1 and A2 adjusting pieces on the A2 and the A2 adjusting piece on the A3524 clamping piece respectively adjust the A2 gear arranged at the corresponding welding station and synchronously rotate with the A2 gear arranged at the corresponding unloading station to realize the closing and opening of the clamping part at the corresponding station.

7. The method for manufacturing an automatic telephone according to claim 5, comprising the steps of: the A1 and A2 adjusting pieces are formed by two arc-shaped A1 and A2 tooth sections which are rotatably installed, one of the A1 and A2 tooth sections is installed on the outer side of an A2 gear, the other of the A1 and A2 tooth section is installed on the inner side of an A2 gear, and the A1 and A2 tooth sections are enabled to rotate synchronously with the A2 gear arranged at a welding station and the A2 gear arranged at a discharging station respectively in the process of rotating the A1 and A2 tooth sections.

8. The method for manufacturing an automatic telephone according to claim 1, comprising the steps of: the welded wire harness clamped by the clamping part is rotated to a wrapping station, a section of insulating adhesive tape is hung at a material guide port on the wrapping unit, the welded wire harness and the wrapping unit are adjusted to move relatively, initial wrapping of the wire harness is completed when the wire harness is located at the center of a wrapping wheel arranged by the wrapping unit, and then the wrapping wheel automatically rotates to complete multi-layer wrapping of the wire harness.

9. The automatic production method of a wire harness according to any one of claims 1 to 8, wherein at least one of A, B, C, D:

A. the package unit is provided with a conduction part for accommodating the wire harness, and in the process of relative movement of the package unit and the wire harness, the wire harness drives the insulating adhesive tape section to reach the central position of the package wheel through the conduction part, so that the wire harness is initially packaged, wherein the package wheel is provided with an elastic device of which the gap size is smaller than the outline size of a welding part;

B. the wrapping wheel is provided with a notch gear, and a tooth part on the notch gear is meshed with two synchronous transmission gears in a transmission connection manner to realize the continuous rotation of the wrapping wheel, wherein the distance between the two synchronous transmission gears is larger than the size of a tooth missing range at the notch position;

C. a peeling mechanism is arranged at the upstream of the welding station, a cutting station is arranged at the upstream of the peeling mechanism, a material preparation station is arranged at the upstream of the cutting station, and each station transmits materials at each station through a material conveying device;

D. the method comprises the following steps: the insulating adhesive tape section with a fixed length is conveyed to the hanging strip assembly arranged on the wrapping station by the tape supply unit, the hanging strip assembly clamps one end of the insulating adhesive tape section, and after the wrapping unit and the wire harness move relatively to reach an appointed position, the clamping opening is opened to release the insulating adhesive tape section, so that the insulating adhesive tape section is hung at the material guide opening of the wrapping unit.

10. A wire harness obtained by the method according to any one of claims 1 to 9.