CN110444345B - Automatic tape winding equipment and method thereof - Google Patents
Automatic tape winding equipment and method thereof Download PDFInfo
- Publication number
- CN110444345B CN110444345B CN201910804047.6A CN201910804047A CN110444345B CN 110444345 B CN110444345 B CN 110444345B CN 201910804047 A CN201910804047 A CN 201910804047A CN 110444345 B CN110444345 B CN 110444345B
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- adhesive tape
- wire harness
- clamp seat
- rotating body
- guide rail
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- 238000004804 winding Methods 0.000 title claims abstract description 49
- 238000000034 method Methods 0.000 title claims abstract description 18
- 239000002390 adhesive tape Substances 0.000 claims abstract description 104
- 230000007246 mechanism Effects 0.000 claims description 27
- 238000013519 translation Methods 0.000 claims description 21
- 230000000391 smoking effect Effects 0.000 claims description 12
- 230000008569 process Effects 0.000 claims description 10
- 239000000853 adhesive Substances 0.000 claims description 7
- 230000001070 adhesive effect Effects 0.000 claims description 7
- 230000001360 synchronised effect Effects 0.000 claims description 5
- 239000000779 smoke Substances 0.000 claims description 4
- 238000005538 encapsulation Methods 0.000 abstract description 13
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 238000012545 processing Methods 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/012—Apparatus or processes specially adapted for manufacturing conductors or cables for manufacturing wire harnesses
- H01B13/01209—Details
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/012—Apparatus or processes specially adapted for manufacturing conductors or cables for manufacturing wire harnesses
- H01B13/01236—Apparatus or processes specially adapted for manufacturing conductors or cables for manufacturing wire harnesses the wires being disposed by machine
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/012—Apparatus or processes specially adapted for manufacturing conductors or cables for manufacturing wire harnesses
- H01B13/01263—Tying, wrapping, binding, lacing, strapping or sheathing harnesses
- H01B13/01281—Harness wrapping apparatus
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Basic Packing Technique (AREA)
Abstract
The invention discloses automatic adhesive tape winding equipment and a method thereof, and belongs to the field of automatic winding equipment. The automatic adhesive tape winding equipment comprises a bottom plate, a machine head device, a cutter device and a clamping jaw device, wherein the machine head device, the cutter device and the clamping jaw device are loaded on the bottom plate; the clamping jaw device is used for horizontally clamping and tensioning the wire harness to be wrapped, and the trend of the clamped wire harness is the same as the linear moving direction of the machine head device; the clamping jaw device can integrally move along the plane of the bottom plate, and the moving direction is perpendicular to the moving direction of the machine head device. The wire harness encapsulation device is applied to wire harness encapsulation equipment in the automobile wire harness processing industry, the production site is stable to operate, the wire harness end point is cut off well, and the production efficiency is remarkably improved while the production quality is improved.
Description
Technical Field
The invention belongs to the field of automatic winding equipment, and particularly relates to automatic adhesive tape winding equipment and a method thereof.
Background
With the acceleration of new energy of automobiles, the encapsulation automatic production of new energy automobile wire harnesses has become a common requirement for various large wire harness factories. The handheld wire harness winding device has been widely applied to automobile wire harness production, labor intensity is reduced to a certain extent, and production efficiency is improved. The encapsulation quality is affected to a certain extent due to the artificial reasons such as sex, proficiency and the like of workers; and the handheld winding device cannot complete the tape winding of the root part of the new energy automobile wire harness with the short length and the sheaths on the two sides due to the volume limitation of the handheld winding device.
The winding process of the automobile wire harness mainly comprises the steps of starting the adhesive tape, winding the adhesive tape and cutting the adhesive tape. The starting of the adhesive tape means that the adhesive tape is stuck at the initial position of the wire harness needing to be encapsulated; the adhesive tape winding means that the adhesive tape is wound on an automobile wire harness through the cooperation of rotary motion and linear motion after the adhesive tape is adhered by a starting head; the cutting of the adhesive tape means that the adhesive tape needs to be cut after the winding of the adhesive tape is completed, and the encapsulation operation is completed. The wire harness winding equipment on the market is characterized in that the starting of the adhesive tape and the cutting of the adhesive tape are completed manually by workers during use. Especially, the adhesive tape is cut off, or is cut manually by adopting a saw tooth type blade or a straight blade, and the cutting mode is easy to cut off the adhesive tape made of PVC, polypropylene and the like, and has high efficiency. However, in research experiments, the inventors found that it was difficult for straight blades or saw blades to completely cut the adhesive tape once, and that the production efficiency was seriously affected by multiple cuts. There is therefore a need to provide a solution that solves the above mentioned technical problems.
Disclosure of Invention
The invention aims to solve the problems that when an automobile wire harness is subjected to encapsulation operation, automatic wire feeding and automatic starting of an adhesive tape are realized, the cutting efficiency of the adhesive tape made of net materials such as flannelette, cloth base and the like is low, and the automobile wire harness cannot be encapsulated to the root.
The specific technical scheme adopted by the invention is as follows:
an automatic adhesive tape winding device comprises a bottom plate, a machine head device, a cutter device and a clamping jaw device, wherein the machine head device, the cutter device and the clamping jaw device are loaded on the bottom plate;
The machine head device moves along the plane of the bottom plate under the drive of the first linear driving mechanism; the machine head device comprises a machine head shell, a rotating body and a driving device, wherein the rotating body is arranged in the machine head shell and is a rotating member with an opening groove extending from the outer contour to the rotating center, and the rotating body is driven by the external driving device to rotate around the rotating center; the rotating body is provided with a limit swing rod, a rotating shaft, a third sliding block and a fourth sliding block which synchronously rotate along with the rotating body, wherein the rotating shaft is used for installing a tape roll, and the tape roll can freely rotate on the rotating shaft; the third sliding block and the fourth sliding block are respectively matched with the linear guide rail to form two sliding pairs in different directions; the third sliding block is driven by the second linear driving mechanism to realize linear sliding, and a reset spring is connected to the third sliding block; the middle part of the limiting swing rod is hinged on the rotating body, and the top of the limiting swing rod is provided with a circular arc-shaped limiting hook; the fourth slide block and the limit swing rod respectively form a linkage structure through a connecting rod and the third slide block, the third slide block is kept at an initial position close to the edge of the rotating body by a reset spring under the condition of not being driven by an external driving device, the inner arc wall of the limit hook at the top of the limit swing rod surrounds the rotating center of the rotating body and the opening of the limit hook faces the inlet direction of the opening groove, when the third slide block moves from the initial position to the rotating center of the rotating body, the fourth slide block synchronously moves to the side far away from the rotating center of the rotating body, and the limit hook at the top of the limit swing rod synchronously swings to the side far away from the rotating center of the rotating body; the fourth sliding block is provided with an adhesive tape rotating shaft which moves synchronously and is used for guiding the adhesive tape unreeled from the adhesive tape roll to the rotation center position of the rotating body;
The cutter device is used for cutting off the adhesive tape which is wound around the adhesive tape rotating shaft;
The clamping jaw device is used for horizontally clamping and tensioning the wire harness to be wrapped, and the trend of the clamped wire harness is the same as the linear moving direction of the machine head device; the clamping jaw device can integrally move along the plane of the bottom plate, and the moving direction is perpendicular to the moving direction of the machine head device.
Based on the above technical solution, the present invention may also employ one or more of the following preferred modes. It should be noted that the technical features of each preferred embodiment of the present invention may be combined correspondingly without mutual conflict.
Preferably, the first linear driving mechanism comprises a linear module and a first linear guide rail, the bottom of the machine head device and the first linear guide rail form a sliding pair, and the linear module pushes and translates.
Preferably, the third sliding block is arranged in an extension area of the opening groove on the rotating body, the fourth sliding block and the limiting swing rod are respectively arranged on two sides of the opening groove, and sliding directions of the third sliding block and the fourth sliding block are perpendicular to each other.
Preferably, the clamping jaw device comprises a left clamp seat, a clamp seat guide rail, a right clamp seat and a pre-tightening cylinder; the bottoms of the left clamp seat and the right clamp seat respectively form a sliding pair capable of moving linearly through a sliding block and a clamp guide rail; the whole fixture guide rail is driven by a third linear driving mechanism to move along the plane of the bottom plate, and the moving direction of the fixture guide rail is perpendicular to the moving direction of the machine head device; the slide block at the bottom of the left clamp seat is a lockable slide block, the right clamp seat is connected with the output end of the pre-tightening cylinder, and the right clamp seat is driven by the pre-tightening cylinder to independently slide along the clamp guide rail.
Further, a left positioning block and a right positioning block are respectively fixed on the left clamp seat and the right clamp seat, and positioning holes matched with the wire harness contours are respectively formed in the left positioning block and the right positioning block.
Further, the wire harness clamping assembly comprises a clamping head, a clamping jaw connecting rod and a clamping jaw air cylinder, wherein the clamping head is connected with the output end of a piston rod of the clamping jaw air cylinder through the clamping jaw connecting rod, and the clamping head clamps and loosens the wire harness in the positioning hole through the expansion and contraction of the piston rod of the clamping jaw air cylinder.
Further, the third linear driving mechanism comprises a telescopic cylinder and a second linear guide rail, the arrangement direction of the second linear guide rail is perpendicular to the driving direction of the first linear driving mechanism, one end of the clamp guide rail and the second linear guide rail form a sliding pair through the clamp connecting plate, and the other end of the clamp guide rail is driven by the telescopic cylinder to do reciprocating linear motion along the second linear guide rail.
Further, the cutter device comprises a translation cylinder, a lifting cylinder and a cutter body, wherein the cutter body is carried on the output end of the lifting cylinder, the cutter body and the lifting cylinder are integrally driven by the translation cylinder, and the driving direction of the translation cylinder is a rotation plane of the vertical rotating body; the cutter body is internally provided with a laser emitter, a light-passing hole and a slot for the adhesive tape to be cut to enter, and laser emitted by the laser emitter reaches the position of the slot through the light-passing hole; the cutter body can extend into the opening groove of the rotating body under the cooperation of the translation cylinder and the lifting cylinder, so that the adhesive tape to be cut after bypassing the adhesive tape rotating shaft is clamped into the slot to be cut by the laser.
Preferably, a smoking hole is further arranged in the cutter body, one end of the smoking hole is communicated with the slot, and the other end of the smoking hole is communicated with an external negative pressure air extractor.
Another object of the present invention is to provide a tape winding method using the above-mentioned automatic tape winding apparatus, which includes the steps of:
S1: the adhesive tape roll is arranged in the rotating shaft, a section of adhesive tape is pulled out, the adhesive surface of the adhesive tape is attached to the rotating shaft of the adhesive tape and bypasses the surface of the rotating shaft of the adhesive tape, and the adhesive tape is suspended below the rotation center position of the rotating body;
s2: the wire harness is horizontally placed on a left positioning block and a right positioning block at the top of the left clamp seat and the right clamp seat;
S3: clamping the wire harness through a wire harness clamping assembly on the left clamp seat and the right clamp seat; controlling a pre-tightening cylinder to expand the interval between the left clamp seat and the right clamp seat, and tensioning the wire harness;
s4: the fixture guide rail is driven by a third linear driving mechanism to integrally move towards the machine head device, a tensioned wire harness is sent to the center of the rotating body from the opening groove, the wire harness is further pressed into the limiting swing rod after being contacted with the adhesive surface of the hanging adhesive tape, and the adhesive tape is pressed with the surface of the wire harness;
S5: the rotating body on the machine head device is driven to rotate, and simultaneously the first linear driving mechanism is matched to linearly drive the machine head device, so that the adhesive tape is gradually unwound from the adhesive tape roll and spirally wound on the surface of the wire harness; in the winding process, the wire harness is limited by a limiting hook at the top of the limiting swing rod to be separated from the rotation center;
s6: when the wire harness is wound, the second linear driving mechanism drives the third sliding block to move towards the rotation center of the rotating body, so that the fourth sliding block and the adhesive tape rotating shaft on the fourth sliding block are driven to be far away from the rotation center of the rotating body, and the limiting hooks at the top of the limiting swing rod are synchronously separated from the wire harness;
S7: the cutter body stretches into the opening groove of the rotating body by controlling the lifting cylinder, the slot on the cutter body is aligned with the adhesive tape between the adhesive tape rotating shaft and the wire harness, and then the translation cylinder is controlled to push the cutter body to move towards the adhesive tape, so that the adhesive tape is clamped into the slot and cut off by laser; the generated smoke is sucked out by negative pressure of a smoking hole preset in the cutter body;
s8: and (3) resetting the lifting cylinder and the translation cylinder again to enable the cutter body to be separated from the opening groove of the rotating body, and simultaneously loosening and taking down the wire harness on the wire harness clamping assembly to finish one-time adhesive tape winding operation.
Compared with the prior art, the automatic adhesive tape winding equipment provided by the invention has the beneficial effects that:
1. the invention can automatically finish the tape starting, wire harness winding and tape cutting, and workers only need to manually finish the wire harness taking and paying off, so that the action is simple, the operation is convenient, and the automation degree of encapsulation is improved;
2. The invention adopts a laser mode to cut the adhesive tape. Compared with the traditional blade cutting, the laser non-contact cutting has no cutter abrasion and does not need to replace the cutter; the laser has small light spot, high energy density and high cutting speed, so that the flannelette or the base adhesive tape can be completely cut off at one time, and the cut surface is thin, narrow and attractive;
3. The limiting swing rod for preventing the wire harness from shaking is designed, so that the damage to the jackets on two sides of the wire harness caused by shaking of equipment in the winding process can be prevented;
4. According to the automatic clamping device, the clamp seat can be locked at different positions of the sliding rail, so that the automatic clamping device can adapt to automobile wire harnesses with different encapsulation lengths in a certain range; meanwhile, the clamp seat at one side can float in a small range to provide a certain tensioning force for the wire harness, so that the swing of the automobile wire harness in the winding process is reduced, and a worker can conveniently take and place the automobile wire harness;
5. The wire harness encapsulation device is applied to wire harness encapsulation equipment in the automobile wire harness processing industry, the production site is stable to operate, the wire harness end point is cut off well, and the production efficiency is remarkably improved while the production quality is improved.
Drawings
FIG. 1 is a schematic overall appearance of the present invention;
FIG. 2 is a schematic view of the mounting of the head assembly, cutter assembly, jaw assembly of the present invention to a base plate;
FIG. 3 is a schematic diagram of the operation of the handpiece apparatus of the present invention;
FIG. 4 is a schematic cutting view of the handpiece assembly of the present invention;
FIG. 5 is a schematic view of a jaw apparatus of the present invention;
Figure 6 is a schematic view of a cutter assembly according to the present invention.
The reference numerals in the drawings are: the machine head device 1, the linear module 100, the machine head fixing base 101, the first linear guide 102, the third connecting rod 103, the limit swing rod 104, the limit rotating shaft 105, the limit hook 106, the balancing weight 107, the adhesive tape 108, the rotating shaft 109, the adhesive tape roll 110, the rotating body 111, the machine head housing 112, the adhesive tape rotating shaft 113, the fourth linear guide 114, the fourth sliding block 115, the spring seat 116, the fourth connecting rod 117, the return spring 118, the third sliding block 119, the third linear guide 120, the bottom plate 2, the cutter device 3, the first connecting plate 301, the translation cylinder 302, the second connecting plate 303, the lifting cylinder 304, the cutter connecting plate 305, the cutter body 306, the light passing hole 307, the smoking hole 308, the clamping jaw device 4, the clamping jaw cylinder 401, the clamping jaw connecting rod 402, the clamping head 403, the left positioning block 404, the left clamping fixture seat 405, the clamping fixture connecting plate 406, the clamping fixture guide 407, the second linear guide 408, the adjusting screw 409, the right positioning block 410, the right clamping fixture seat 411, the pre-tightening connecting plate 412, the pre-tightening cylinder 413, the telescopic cylinder 414, the control device 5, the housing 6, the wire harness 7, and the start button 8.
Detailed Description
The invention is further illustrated and described below with reference to the drawings and detailed description. The technical features of the embodiments of the invention can be combined correspondingly on the premise of no mutual conflict.
In a preferred embodiment of the invention, as shown in fig. 1, an automatic tape winding apparatus is designed, which comprises a head device 1, a base plate 2, a cutter device 3, a jaw device 4, a control device 5, a housing 6, and an activation button 8. As shown in fig. 2, the base plate 2 is a carrier of the machine head device 1, the cutter device 3, the clamping jaw device 4, the control device 5 and the shell 6, and is required to be placed on a table surface for operation. The wire harness 7 makes the winding object of the apparatus. It should be noted that the core of the automatic tape winding apparatus is the head device 1, the cutter device 3 and the clamping jaw device 4 on the base plate 2, while the remaining control device 5, the housing 6 and the start button 8 are additional components designed for the convenience of the user to control the operation in this embodiment, and can be adjusted and deleted according to actual needs, which is not an essential component.
The handpiece device 1 is composed of a rotating body 111 and a handpiece housing 112, and the handpiece device 1 can move along the plane of the bottom plate 2 under the drive of the first linear driving mechanism. The first linear driving mechanism may be any device capable of accurately driving linear displacement and positioning, and in this embodiment includes a linear module 100 and a first linear guide rail 102, where the handpiece device 1 is fixed to a handpiece fixing base 101 provided on the linear module 100 and the first linear guide rail 102, and the linear module 100 and the first linear guide rail 102 are respectively fixed to the base plate 2. The handpiece device 1 can reciprocate on the first linear guide 102 by the power provided by the linear module 100. The handpiece housing 112 provides support and power to the rotator 111 such that the rotator 111 can rotate within the handpiece housing 112. The structure of the head device 1 will be described in detail below.
As shown in fig. 3 and 4, the head device 1 includes a head housing 112, and a rotating body 111 is mounted in the head housing 112 as a rotating member having an open groove extending from an outer contour to a rotation center, and the rotating body 111 is rotated around the rotation center by an external driving device. The driving mode of the rotating body 111 can take various forms, in this embodiment, the rotating body 111 is disc-shaped, and the outer circular surface of the rotating body 111 is designed with gear teeth and can be meshed with a double-sided toothed synchronous belt. A plurality of freely rotatable sheaves are uniformly distributed on the circumference of the rotating body 111, and the sheaves are fixed on the machine head shell 112 and serve as rotary supports of the rotating body 111. The double-sided toothed synchronous belt is tensioned by the driving wheel and the driven wheels, and the motor drives the driving wheel to further drive the double-sided toothed synchronous belt, and the double-sided toothed synchronous belt drives the rotating body 111 to rotate around the rotation center. If necessary, the rotating body 111 may be provided with a weight 107 having a predetermined weight.
The rotating body 111 is provided with a limit swing rod 104, a rotating shaft 109, a third sliding block 119 and a fourth sliding block 115 which synchronously rotate along with the rotating body, wherein the rotating shaft 109 is used for installing the adhesive tape roll 110, and the adhesive tape roll 110 can freely rotate on the rotating shaft 109. The third slider 119 cooperates with the third linear guide 120 to form a sliding pair, and the fourth slider 115 cooperates with the fourth linear guide 114 to form a sliding pair. The third slider 119 is driven to perform linear sliding by a second linear driving mechanism, which may be any device capable of being driven linearly, such as a cylinder or a motor-driven screw, or the like. The third slider 119 is connected with a return spring 118, one end of the return spring 118 penetrates into the spring seat 116, and the other end of the return spring extends into the third slider 119 to play a role in resetting the third slider 119. The middle part of the limiting swing rod 104 is hinged on the rotating body 111 through a limiting rotating shaft 105, and the top of the limiting swing rod is provided with a circular arc-shaped limiting hook 106. The fourth slider 115 is connected with the third slider 119 through a fourth connecting rod 117 to form a linkage structure, and two ends of the fourth connecting rod 117 are hinged. The limiting swing rod 104 is connected with a third sliding block 119 through a third connecting rod 103 to form a linkage structure, and two ends of the third connecting rod 103 are hinged. The third slider 119 is held at an initial position close to the edge of the rotating body 111 by the return spring 118 without being driven by an external driving device, and at this time, the inner arc wall of the top limit hook 106 of the limit rocker 104 surrounds the center of rotation of the rotating body 111 and the opening of the limit hook 106 is directed toward the entrance direction of the open slot. The initial position state, that is, the state in which the rotating body 111 encapsulates the wire harness 7, the wire harness is attached to the adhesive surface of the adhesive tape 108 after entering the center of rotation, but the adhesive tape 108 is suspended, so that the attachment is not firm. However, due to the existence of the limiting swing rod 104, the wire harness 7 can drive the adhesive tape 108 to be pressed on the limiting swing rod 104, so that a certain pretightening force is provided when the wire harness 7 is attached to the adhesive tape 108, and the adhesive tape 108 is prevented from being separated from the wire harness 7 when winding begins. In addition, when the rotary winding is finally carried out, the wire harness 7 is positioned in the inner arc wall of the hook body of the limiting hook 106, the limiting hook 106 has the function of limiting the wire harness 7 from separating from the rotary center in the tape winding process, and then a certain counter force for unwinding the tape roll 110 is provided, so that the wire harness position is ensured not to move greatly, and the sheaths at the two ends of the wire harness are prevented from being damaged. In addition, a tape rotating shaft 113 is provided on the fourth slider 115 to move synchronously for guiding the tape 108 unwound from the tape roll 110 to the rotation center position of the rotating body 111.
The linkage among the third slider 119, the fourth slider 115 and the limit swing rod 104 is represented as follows: when the third slider 119 moves from the initial position to the center of rotation of the rotating body 111, the fourth slider 115 moves synchronously to the side away from the center of rotation of the rotating body 111, and the bottom of the limit swing lever 104 is pushed to swing the limit hook 106 at the top synchronously to the side away from the center of rotation of the rotating body 111. The purpose of the linkage control is to make the third slider 119 drive the fourth slider 115 fixed to the fourth link 117 and the tape rotating shaft 113 thereon at the same time, and pull the tape 108 upward for a certain distance, so as to form a state as shown in fig. 4, and ensure the normal cutting of the cutter device 3. After the cutting is completed, the fourth slider 115 is again close to the rotation center, and the adhesive tape 108 can be suspended at the rotation center, so that the subsequent encapsulation of the wire harness 7 can be performed.
In this embodiment, in order to implement the respective functions of the third slider 119, the fourth slider 115, and the limit swing lever 104, the layout on the rotating body 111 is as follows: the slider 119 is disposed in an extension region of the open slot on the rotating body 111, and the fourth slider 115 and the limit swing lever 104 are disposed above and below the open slot, respectively, and the sliding directions of the third slider 119 and the fourth slider 115 are perpendicular to each other. Of course, the layout can be adjusted as required, and the functions can be kept unchanged.
In the present invention, the clamping jaw device 4 is used for horizontally clamping and tensioning the wire harness 7 to be wrapped, and in order to ensure the function, the direction of the clamped wire harness 7 and the linear moving direction of the machine head device 1 should be the same. Furthermore, the jaw device 4 can move entirely along the plane of the base plate 2 in a direction perpendicular to the moving direction of the head device 1 so that the wire harness 7 can enter the center of rotation of the rotating body 111.
The implementation of the jaw arrangement 4 in this embodiment is described in detail below. As shown in fig. 2 and 5, the clamping jaw device 4 includes a left clamp seat 405, a clamp seat rail 407, a right clamp seat 411, and a pre-tightening cylinder 413, wherein the top of the left clamp seat 405 and the top of the right clamp seat 411 are respectively provided with a wire harness clamping assembly, and the bottom of the left clamp seat 405 and the clamp rail 407 form a sliding pair capable of moving linearly and locking through a sliding block. The locking function is realized by arranging the adjusting screw 409 on the sliding block, so that the sliding block can be fixed at any position of the clamp guide rail 407 to adapt to the positioning and clamping of the wire harnesses 7 with different encapsulation lengths. In addition, the wire harness 7 must be secured in a tensioned state when being wound, and thus a pretensioning measure needs to be provided. The right clamp seat 411 can be connected with a piston rod of a pre-tightening air cylinder 413 fixed on the clamp connecting plate 406 through a pre-tightening connecting plate 412, and independently slide along the clamp guide rail 407 under the driving of the pre-tightening air cylinder 413, while the other locked left clamp seat 405 is kept still, so that pre-tightening of the wire harness 7 is realized, shaking of the wire harness 7 in the encapsulation process is reduced, and damage to the wire harness 7 is avoided.
The whole clamp guide 407 is driven by the third linear driving mechanism to move along the plane of the bottom plate 2, and the moving direction is perpendicular to the moving direction of the head device 1. The third linear driving mechanism may be any device capable of being driven linearly, in this embodiment, the device includes a telescopic cylinder 414 and a second linear guide rail 408, the arrangement direction of the second linear guide rail 408 is perpendicular to the driving direction of the first linear driving mechanism, one end of the clamp guide rail 407 forms a sliding pair with the second linear guide rail 408 through the clamp connecting plate 406, and the other end is driven by the telescopic cylinder 414 to reciprocate along the second linear guide rail 408, so that automatic feeding and discharging of the wire harness 7 and starting of the adhesive tape are realized, the operation actions of workers are reduced, and the working efficiency is improved.
In addition, in the present embodiment, a left positioning block 404 and a right positioning block 410 are fixed to a left jig seat 405 and a right jig seat 411, respectively, and positioning holes matching the outline of the wire harness 7 are provided in each of the left positioning block 404 and the right positioning block 410. The left positioning block 404 and the right positioning block 410 are respectively fixed on the left clamp seat 405 and the right clamp seat 411, and the left positioning block 404 and the right positioning block 410 can be replaced according to different wire harnesses 7, so that the adaptability of the equipment is improved. The wire harness clamping assembly of the embodiment comprises a clamping head 403, a clamping jaw connecting rod 402 and a clamping jaw air cylinder 401, wherein the middle part of the clamping head 403 is hinged and fixed at the top of a clamp seat and can rotate on a left clamp seat 405 or a right clamp seat 411, one end part of the clamping head is connected with the clamping jaw air cylinder 401 fixed on the left clamp seat 405 or the right clamp seat 411 through the clamping jaw connecting rod 402, and the clamping and loosening of the positioning Kong Zhongxian beam 7 by the other end of the clamping head 403 are realized through the expansion and contraction of a piston rod of the clamping jaw air cylinder 401.
In the present invention, the cutter device 3 serves to cut the tape 108 after the tape rotating shaft 113 has been wound. The cutter device 3 may be a conventional mechanical cutting device, such as a blade, scissors, etc. However, in this embodiment, the tape is cut by a laser non-contact cutting method.
The cutter device 3 comprises a translation cylinder 302, a lifting cylinder 304 and a cutter body 306, wherein the cutter body 306 is fixed on the output end of the lifting cylinder 304 through a cutter connecting plate 305, the lifting cylinder 304 is arranged on a second connecting plate 303, the second connecting plate 303 is fixed on the output end of the translation cylinder 302, and the translation cylinder 302 is fixed on the machine head fixing seat 101 through a first connecting plate 301. Therefore, the cutter body 306 and the lifting cylinder 304 can be integrally driven by the translation cylinder 302, and the driving direction of the translation cylinder 302 is the rotation plane of the vertical rotation body 111. As shown in fig. 6, a laser emitter, a light-passing hole 307 and a slot for the tape to be cut to enter are provided in the cutter body 306, and the laser emitted by the laser emitter passes through the light-passing hole 307 to reach the slot position. The plane of the tape to be cut 108 which is wound around the tape rotating shaft 113 passes through the slot on the cutter body 306, so that the cutter body 306 can extend into the opening groove of the rotating body 111 under the cooperation of the translation cylinder 302 and the lifting cylinder 304, and the tape to be cut 108 which is wound around the tape rotating shaft 113 is clamped into the slot to be cut by laser. In addition, a smoking hole 308 is further provided in the cutter body 306, one end of the smoking hole 308 is communicated with a slot in the cutter body 306, and the other end is communicated with an external negative pressure air extractor. The smoking holes 308 generate negative pressure by an external vacuum pump, and absorb smoke generated during cutting to prevent environmental pollution.
The adhesive tape winding method based on the automatic adhesive tape winding equipment comprises the following steps of:
s1: the adhesive tape roll 110 is put into the rotating shaft 109, and a section of adhesive tape 108 is pulled out, so that the adhesive surface of the adhesive tape 108 is adhered to the adhesive tape rotating shaft 113 and bypasses the surface thereof, and hangs below the rotation center position of the rotating body 111;
S2: the wire harness 7 is horizontally placed on the left positioning block 404 and the right positioning block 410 at the top of the left clamp seat 405 and the right clamp seat 411;
S3: clamping the wire harness 7 by the harness clamping assemblies on the left clamp seat 405 and the right clamp seat 411; the pre-tightening cylinder 413 is controlled to expand the interval between the left clamp seat 405 and the right clamp seat 411, tensioning the wire harness 7.
S4: the whole fixture guide rail 407 is driven by the third linear driving mechanism to move towards the machine head device 1, the tensioned wire harness 7 is sent to the center of the rotating body 111 from the opening groove, the wire harness 7 is further pressed onto the limiting swing rod 104 after being contacted with the adhesive surface of the hanging adhesive tape 108, and the adhesive tape 108 is pressed with the surface of the wire harness 7;
S5: the rotating body 111 on the machine head device 1 is driven to rotate, the rotating body 111 obtains torque required by enough rotation, and simultaneously, the first linear driving mechanism is matched to linearly drive the machine head device 1, so that the adhesive tape 108 is gradually unwound from the adhesive tape roll 110 and spirally wound on the surface of the wire harness 7; in the winding process, the wire harness 7 is limited by a limiting hook 106 at the top of the limiting swing rod 104 to be separated from the rotation center;
S6: after the wiring harness 7 is wound, the third slider 119 is driven to move towards the rotation center of the rotating body 111 through the second linear driving mechanism, so that the fourth slider 115 and the adhesive tape rotating shaft 113 on the fourth slider are driven to be far away from the rotation center of the rotating body 111, and the adhesive tape rotating shaft 113 pulls the adhesive tape 108 out of a certain distance, so that the normal cutting of the subsequent cutter device 3 is ensured; meanwhile, a limiting hook 106 at the top of the limiting swing rod 104 is also synchronously separated from the wire harness 7;
S7: the cutter body 306 stretches into the opening groove of the rotating body 111 by controlling the lifting cylinder 304, the slot on the cutter body 306 is aligned with the adhesive tape 108 between the adhesive tape rotating shaft 113 and the wire harness 7, then the translation cylinder 302 is controlled to push the cutter body 306 to move towards the adhesive tape 108, so that the adhesive tape 108 is clamped into the slot, the laser beam emitted by the laser emitter passes through the light through hole 307, the adhesive tape connected to the wire harness 7 is completely cut off at one time, and generated smoke is sucked away by negative pressure generated by the smoking hole 308.
S8: the lifting cylinder 304 and the translation cylinder 302 are controlled to reset again, so that the cutter body 306 is separated from the opening groove of the rotating body 111, meanwhile, the wire harness 7 on the wire harness clamping assembly is loosened and taken down, and other assemblies are reset to finish one tape winding operation.
In the above winding process, specific parameters, such as winding distance, winding position, action sequence of electric elements, time, etc., may be set on the control device 5 in advance according to the process requirements of the automobile wire harness, so as to realize full-automatic control. The start-stop control can be conveniently realized by arranging a trigger start button 8 on the shell 6.
The above embodiment is only a preferred embodiment of the present invention, but it is not intended to limit the present invention. Various changes and modifications may be made by one of ordinary skill in the pertinent art without departing from the spirit and scope of the present invention. Therefore, all the technical schemes obtained by adopting the equivalent substitution or equivalent transformation are within the protection scope of the invention.
Claims (8)
1. The automatic adhesive tape winding equipment is characterized by comprising a bottom plate (2), and a machine head device (1), a cutter device (3) and a clamping jaw device (4) which are loaded on the bottom plate (2);
the machine head device (1) is driven by the first linear driving mechanism to move along the plane of the bottom plate (2); the machine head device (1) comprises a machine head shell (112), a rotating body (111) is arranged in the machine head shell (112) and is a rotating member with an opening groove extending from the outer contour to the rotating center, and the rotating body (111) is driven by an external driving device to rotate around the rotating center; the rotating body (111) is provided with a limiting swing rod (104), a rotating shaft (109), a third sliding block (119) and a fourth sliding block (115) which synchronously rotate along with the rotating body, wherein the rotating shaft (109) is used for installing a tape roll (110), and the tape roll (110) can freely rotate on the rotating shaft (109); the third sliding block (119) and the fourth sliding block (115) are respectively matched with the linear guide rail to form two sliding pairs in different directions; the third sliding block (119) is driven by the second linear driving mechanism to realize linear sliding, and a return spring (118) is connected to the third sliding block (119); the middle part of the limiting swing rod (104) is hinged on the rotating body (111), and the top of the limiting swing rod is provided with a circular arc-shaped limiting hook (106); the fourth slider (115) and the limit swing rod (104) respectively form a linkage structure with the third slider (119) through a connecting rod, the third slider (119) is kept at an initial position close to the edge of the rotating body (111) by a reset spring (118) under the condition of not being driven by an external driving device, at the moment, the inner arc wall of the limit hook (106) at the top of the limit swing rod (104) surrounds the rotation center of the rotating body (111) and the opening of the limit hook (106) faces the inlet direction of the open slot, when the third slider (119) moves from the initial position to the rotation center of the rotating body (111), the fourth slider (115) synchronously moves to the side far away from the rotation center of the rotating body (111), and the limit hook (106) at the top of the limit swing rod (104) synchronously swings to the side far away from the rotation center of the rotating body (111); the fourth sliding block (115) is provided with a synchronous moving adhesive tape rotating shaft (113) for guiding the adhesive tape (108) unreeled from the adhesive tape roll (110) to the rotation center position of the rotating body (111);
the cutter device (3) is used for cutting off the adhesive tape (108) which is wound around the adhesive tape rotating shaft (113);
The clamping jaw device (4) is used for horizontally clamping and tensioning the wire harness (7) to be wrapped, and the trend of the clamped wire harness (7) is the same as the linear moving direction of the machine head device (1); the clamping jaw device (4) can integrally move along the plane of the bottom plate (2), and the moving direction is perpendicular to the moving direction of the machine head device (1);
The clamping jaw device (4) comprises a left clamp seat (405), a clamp seat guide rail (407), a right clamp seat (411) and a pre-tightening cylinder (413); the top of the left clamp seat (405) and the top of the right clamp seat (411) are respectively provided with a wire harness clamping assembly, and the bottoms of the left clamp seat (405) and the right clamp seat (411) respectively form a sliding pair capable of moving linearly through a sliding block and a clamp seat guide rail (407); the whole fixture seat guide rail (407) moves along the plane of the bottom plate (2) under the drive of the third linear driving mechanism, and the moving direction is vertical to the moving direction of the machine head device (1); the slide block at the bottom of the left clamp seat (405) is a lockable slide block, the right clamp seat (411) is connected with the output end of the pre-tightening cylinder (413), and the slide block is driven by the pre-tightening cylinder (413) to independently slide along the clamp seat guide rail (407);
The cutter device (3) comprises a translation cylinder (302), a lifting cylinder (304) and a cutter body (306), wherein the cutter body (306) is mounted on the output end of the lifting cylinder (304), the cutter body (306) and the lifting cylinder (304) are integrally driven by the translation cylinder (302), and the driving direction of the translation cylinder (302) is a rotation plane of the vertical rotating body (111); wherein, a laser emitter, a light-passing hole (307) and a slot for the adhesive tape to be cut to enter are arranged in the cutter body (306), and the laser emitted by the laser emitter reaches the position of the slot through the light-passing hole (307); the cutter body (306) can extend into the opening groove of the rotating body (111) under the cooperation of the translation cylinder (302) and the lifting cylinder (304), so that the adhesive tape (108) to be cut after the adhesive tape rotating shaft (113) is wound is clamped into the slot to be cut by laser.
2. The automatic tape winding device according to claim 1, wherein the first linear driving mechanism comprises a linear module (100) and a first linear guide rail (102), and the bottom of the machine head device (1) and the first linear guide rail (102) form a sliding pair, and the linear module (100) pushes the sliding pair to translate.
3. The automatic tape winding apparatus according to claim 1, wherein the third slider (119) is disposed on the rotator (111) in an extension region of the open slot, the fourth slider (115) and the limit swing lever (104) are disposed on both sides of the open slot, respectively, and sliding directions of the third slider (119) and the fourth slider (115) are perpendicular to each other.
4. The automatic tape winding device according to claim 1, wherein a left positioning block (404) and a right positioning block (410) are respectively fixed on the left clamp seat (405) and the right clamp seat (411), and positioning holes matched with the outline of the wire harness (7) are respectively formed in the left positioning block (404) and the right positioning block (410).
5. The automatic tape winding device according to claim 4, wherein the wire harness clamping assembly comprises a clamping head (403), a clamping jaw connecting rod (402) and a clamping jaw air cylinder (401), wherein the clamping head (403) is connected with the output end of a piston rod of the clamping jaw air cylinder (401) through the clamping jaw connecting rod (402), and the clamping head (403) clamps and unclamps the wire harness in the positioning hole by stretching and retracting the piston rod of the clamping jaw air cylinder (401).
6. The automatic tape winding device according to claim 1, wherein the third linear driving mechanism comprises a telescopic cylinder (414) and a second linear guide rail (408), the arrangement direction of the second linear guide rail (408) is perpendicular to the driving direction of the first linear driving mechanism, one end of the clamp seat guide rail (407) forms a sliding pair with the second linear guide rail (408) through the clamp connecting plate (406), and the other end of the clamp seat guide rail is driven by the telescopic cylinder (414) to reciprocate along the second linear guide rail (408).
7. The automatic tape winding device according to claim 1, wherein a smoking hole (308) is further provided in the cutter body (306), one end of the smoking hole (308) is communicated with the slot, and the other end is communicated with an external negative pressure air extracting device.
8. A tape winding method using the automatic tape winding apparatus according to claim 4, characterized by the steps of:
s1: the adhesive tape roll (110) is arranged in the rotating shaft (109), a section of adhesive tape (108) is pulled out, the adhesive surface of the adhesive tape (108) is adhered to the adhesive tape rotating shaft (113) and bypasses the surface of the adhesive tape, and the adhesive tape is suspended below the rotation center position of the rotating body (111);
S2: the wire harness (7) is horizontally placed on a left positioning block (404) and a right positioning block (410) at the tops of a left clamp seat (405) and a right clamp seat (411);
s3: clamping the wire harness (7) by a wire harness clamping assembly on the left clamp seat (405) and the right clamp seat (411); controlling a pre-tightening cylinder (413) to enlarge the distance between the left clamp seat (405) and the right clamp seat (411) and tensioning the wire harness (7);
S4: the fixture seat guide rail (407) is driven by the third linear driving mechanism to move towards the machine head device (1) as a whole, a tensioned wire harness (7) is conveyed to the center of the rotating body (111) from the opening groove, the wire harness (7) is further pressed onto the limiting swing rod (104) after being contacted with the adhesive surface of the hanging adhesive tape (108), and the adhesive tape (108) is pressed with the surface of the wire harness (7);
S5: the rotating body (111) on the machine head device (1) is driven to rotate, and simultaneously the first linear driving mechanism is matched to linearly drive the machine head device (1), so that the adhesive tape (108) is gradually unwound from the adhesive tape roll (110) and spirally wound on the surface of the wire harness (7); in the winding process, the wire harness (7) is limited by a limiting hook (106) at the top of the limiting swing rod (104) to be separated from the rotation center;
S6: after the wiring harness (7) is wound, the third slider (119) is driven to move towards the rotation center of the rotating body (111) through the second linear driving mechanism, so that the fourth slider (115) and the adhesive tape rotating shaft (113) on the fourth slider are driven to be far away from the rotation center of the rotating body (111), and the limiting hooks (106) at the top of the limiting swing rod (104) are synchronously separated from the wiring harness (7);
s7: the cutter body (306) stretches into an opening groove of the rotating body (111) by controlling the lifting cylinder (304), the slot on the cutter body (306) is aligned with the adhesive tape (108) between the adhesive tape rotating shaft (113) and the wire harness (7), and then the cutter body (306) is pushed to move towards the adhesive tape (108) by controlling the translation cylinder (302), so that the adhesive tape (108) is clamped into the slot to be cut off by laser; the generated smoke is sucked out by the negative pressure of a smoking hole (308) preset in the cutter body (306);
S8: the lifting cylinder (304) and the translation cylinder (302) are controlled to reset again, so that the cutter body (306) is separated from the opening groove of the rotary body (111), and meanwhile, the wire harness (7) on the wire harness clamping assembly is loosened and taken down, and one adhesive tape winding operation is completed.
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| CN201910804047.6A CN110444345B (en) | 2019-08-28 | 2019-08-28 | Automatic tape winding equipment and method thereof |
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| CN201910804047.6A CN110444345B (en) | 2019-08-28 | 2019-08-28 | Automatic tape winding equipment and method thereof |
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| CN110444345B true CN110444345B (en) | 2024-05-31 |
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