CN221408259U

CN221408259U - Laser wire stripping equipment and wire harness processing assembly line

Info

Publication number: CN221408259U
Application number: CN202323392519.2U
Authority: CN
Inventors: 杨勇
Original assignee: Wuhan Aifeitong Precision Technology Co ltd
Current assignee: Wuhan Aifeitong Precision Technology Co ltd
Priority date: 2023-12-11
Filing date: 2023-12-11
Publication date: 2024-07-23
Anticipated expiration: 2033-12-11

Abstract

The utility model discloses laser wire stripping equipment and a wire harness processing assembly line, wherein the laser wire stripping equipment comprises a mounting seat, a positioning structure and a laser head, the positioning structure is arranged on the mounting seat and used for clamping a shielding wire harness, the end part of the shielding wire harness is suspended on the mounting seat, the laser head is positioned on one side of the positioning structure along a first horizontal direction and rotates on the mounting seat so as to rotate around the shielding wire harness, and the transmitting end of the laser head can always correspond to the peripheral side surface of the end part of the shielding wire harness. The shielding pencil is unsettled setting to all have certain space on its week side, 360 rotations can be done around the shielding pencil to the laser head, thereby carries out effective cutting to the circumference of shielding pencil tip, and this kind of rotatory cutting mode in laser head wire winding beam axle center can be so that laser energy remains the focus constantly when cutting the shielding layer all the time, and the energy that the pencil surface bore just more balanced like this, and stability is better.

Description

Laser wire stripping equipment and wire harness processing assembly line

Technical Field

The utility model relates to the technical field of wire stripping machines, in particular to laser wire stripping equipment and a wire harness processing assembly line.

Background

The full-automatic wire stripper is a machine for stripping the plastic outer skin and the metal core of the outer package of a cable and the like, most of the cable stripper at present adopts a mechanical cutting mode to cut the plastic outer package of the cable, but along with the continuous upgrading of the cable, a plurality of scenes need to be similar to the wire harness anti-interference with shielding to ensure stable signals, the anti-interference shielding wire harness structure is more complex, the common shielding wire harness mainly comprises an outer plastic layer, a braiding layer, an aluminum foil layer and a plurality of copper core conductors with insulating layers.

Disclosure of utility model

The utility model mainly aims to provide laser wire stripping equipment and a wire harness processing assembly line, which solve the problem that a traditional cutter cannot effectively strip a shielding wire harness by adopting a laser wire stripping mode, and cannot damage a wire sheath and an internal core wire.

In order to achieve the above object, the present utility model provides a laser wire stripping apparatus, comprising:

A mounting base;

The positioning structure is arranged on the mounting seat and used for clamping the shielding wire harness and enabling the end part of the shielding wire harness to be suspended in the mounting seat; and

The laser head is located one side of location structure along first horizontal direction, and rotates on the mount pad, so as to wind shielding pencil rotation, the transmitting end of laser head can correspond the week side of shielding pencil tip all the time.

Optionally, the laser wire stripping device further includes a rotation driving assembly, the rotation driving assembly includes:

The support is fixedly arranged on the mounting seat and is positioned at one side of the positioning structure along the first horizontal direction;

a rotation shaft rotatably mounted to the support along an axis extending in a first horizontal direction; and

A motor fixed to the support, a main shaft of the motor being drivingly connected to the rotary shaft through a transmission structure;

The laser head is fixed to the end of the rotating shaft, and the emitting end of the laser head and the central line of the rotating shaft are arranged in a staggered mode up and down.

Optionally, the motor is located below the rotating shaft, the transmission structure includes two synchronizing wheels and a synchronous belt arranged between the two synchronizing wheels, one of the two synchronizing wheels is sleeved outside the rotating shaft, and the other is sleeved outside a main shaft of the motor; and/or the number of the groups of groups,

The rotating shaft is matched with the support through at least one bearing.

Optionally, the laser wire stripping device further comprises an optical fiber isolator arranged on one side of the rotating shaft, which is away from the laser head;

the rotating shaft is hollow and communicated with the laser head and the optical fiber isolator to form an optical path channel, so that laser is folded and transferred in the optical path channel.

Optionally, the light path passageway includes two first passageway sections and two second passageway sections, and two first passageway sections extend along first horizontal direction, and upper and lower to the interval, and two second passageway sections set up with two first passageway sections are crisscross, and all extend along upper and lower to the orientation, wherein, is located the middle part the opposite both sides of first passageway section are equipped with two first speculum, two first speculum set up towards each other slope, are located the tip first passageway section is equipped with the second speculum of slope setting in the one side of another first passageway section dorsad to make the laser can follow after the second speculum the transmitting end of laser head jets out.

Optionally, the positioning structure includes:

A base fixed to the mount; and

The clamp is arranged on the base and comprises two clamping plates which are oppositely arranged in the second horizontal direction, and the two clamping plates are provided with movable strokes which are close to each other or far away from each other and are used for clamping the shielding cable together.

Optionally, the laser wire stripping device further includes a housing, the housing is covered outside the laser head and fixed to the mounting base, so as to enclose a placement cavity together with the mounting base, and an opening corresponding to the positioning structure is provided on one side of the placement cavity, so that an end portion of the shielding cable extends into the placement cavity from the opening.

Optionally, a cooling fan is arranged on the housing; and/or the number of the groups of groups,

The side wall surface of the placement cavity is provided with a plurality of heat dissipation holes; and/or the number of the groups of groups,

And a plurality of strip-shaped holes which are uniformly distributed along the circumference of the opening are also formed in the housing.

Optionally, an electrical board is further arranged in the placement cavity, and a touch screen and/or an operation button electrically connected with the electrical board are arranged outside the housing.

The utility model also provides a wire harness processing line, which comprises the laser wire stripping device.

According to the technical scheme, the shielding wire harness with the shielding layer is fixed by the positioning structure, so that the shielding wire harness can be kept relatively fixed with the mounting seat, the shielding wire harness is suspended, a certain space is reserved on the peripheral side of the shielding wire harness, the laser head can rotate 360 degrees around the shielding wire harness, the peripheral ring at the end part of the shielding wire harness is effectively cut, the laser head can keep the focus unchanged all the time when the shielding layer is cut by the cutting mode of the axis rotation of the wire harness, and therefore the energy born by the surface of the wire harness is more balanced and better in stability. Meanwhile, the device can meet the function by only arranging one laser head, and the damage to the wire sheath and the internal core wire can be avoided by reasonably controlling the laser intensity.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic perspective view of an embodiment of a laser wire stripping device provided by the present utility model;

FIG. 2 is a schematic perspective view of the laser head and fiber isolator of FIG. 1 mated;

Fig. 3 is an exploded perspective view of the laser head and rotary drive assembly of fig. 1 mated;

fig. 4 is a schematic cross-sectional view taken along line A-A in fig. 3.

Reference numerals illustrate:

Reference numerals	Name of the name	Reference numerals	Name of the name
				100	Laser wire stripping equipment	45	Optical path channel
1	Mounting base	451	A first channel section
				2	Positioning structure	452	Second channel section
21	Base seat	5	Housing shell
				22	Clamp	51	Strip-shaped hole
3	Laser head	6	Heat radiation fan
				4	Rotation driving assembly	7	Optical fiber isolator
41	Support seat	8	Touch screen
				42	Rotary shaft	9	Operation button
43	Motor with a motor housing	a	Heat dissipation hole
				441	Synchronous wheel	200	Shielded wire harness
442	Synchronous belt

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the case where a directional instruction is involved in the embodiment of the present utility model, the directional instruction is merely used to explain the relative positional relationship, movement condition, etc. between the components in a specific posture, and if the specific posture is changed, the directional instruction is changed accordingly.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

The conventional shielded cable consists of an outer plastic layer, a braiding layer, an aluminum foil layer and a plurality of copper core conductors with insulating layers. The aluminum foil layer is mainly used for shielding high-frequency electromagnetic waves, preventing the high-frequency electromagnetic waves from contacting with the net wire conductors to generate induced current and increasing crosstalk. The aluminum foil layer is formed by wrapping the surface of the wire harness inside the cable by a very thin aluminum foil in a multilayer winding mode, so that the shielding effect is achieved. The braided layer is generally braided by tinned copper wires, a certain thickness is coated in a braiding mode, the shielding effect can be achieved, the strength of the wire harness can be increased, a certain external force is required to be applied to the braided layer for cutting when the cutter cuts the braided layer due to the certain thickness of the braided layer, and the phenomenon that the wire harness is scratched by the cutter easily occurs when the external force is applied, and the cutter loss is also relatively large. The inside aluminium foil layer adopts very thin aluminium foil cladding to appear damaging the pencil more easily when cutting at the surface of pencil, causes the product bad.

In view of the above, the utility model provides laser wire stripping equipment and a wire harness processing line, which abandon the conventional cutting mode, adopt laser to cut a shielding layer, and solve the problem that the traditional cutter can not effectively strip the wire harness braiding layer with the shielding layer and the aluminum foil layer by adopting the laser wire stripping mode aiming at the cutting work of the wire harness braiding layer with the shielding layer and the aluminum foil layer, and can better solve the problems that the quality is difficult to control and the like. Meanwhile, the effect of not damaging the wire harness can be achieved by controlling the laser energy, the shielding layer can be cut off, damage to the wire sheath and the internal core wire can be avoided, burrs can not be left after the shielding layer is stripped, and the notch is smooth. Fig. 1 to fig. 4 are embodiments of a laser wire stripping apparatus provided by the present utility model.

Referring to fig. 1 to 3, the laser wire stripping device 100 includes a mounting base 1, a positioning structure 2 and a laser head 3, wherein the positioning structure 2 is disposed on the mounting base 1 and is used for clamping a shielding wire harness 200, and enabling an end portion of the shielding wire harness 200 to hang in the mounting base 1, the laser head 3 is disposed on one side of the positioning structure 2 along a first horizontal direction and rotates on the mounting base 1 so as to be capable of rotating around the shielding wire harness 200, and a transmitting end of the laser head 3 can always correspond to a peripheral side surface of the end portion of the shielding wire harness 200.

In the technical scheme of the utility model, the shielding wire harness 200 with the shielding layer is fixed by the positioning structure 2, so that the shielding wire harness 200 can be kept relatively fixed with the mounting seat 1, the shielding wire harness 200 is suspended, so that a certain space is reserved on the periphery of the shielding wire harness 200, the laser head 3 can rotate 360 degrees around the shielding wire harness 200, so that the periphery of the end part of the shielding wire harness 200 is effectively cut, the laser head 3 can always keep the focus unchanged when the axis of the wire harness rotates in a cutting mode, the energy born by the surface of the wire harness is more balanced, the stability is better, meanwhile, the device can meet the function by only arranging one laser head 3, and the damage to the wire sheath and the internal core wire can not be caused by reasonable control of the laser intensity.

It should be noted that, the conventional laser wire stripper adopts a single-end or double-end layout, the single-end laser cutting can only cut half of the shielding cutting layers of the shielding wire harness 200, the wire harness needs to be turned 180 degrees to cut the product for the second time, and the processing consumes a long time. The double-end cutting adopts the mode overall arrangement of two laser heads 3 with the bilateral symmetry, cuts the pencil simultaneously, and equipment cost is high. Because laser cuts through focusing form with energy concentration production heat, the focus position is the position of laser beam machining, and form that the double-end cuts upper and lower overall arrangement, laser cover the processing region through the mode that the galvanometer scanned after laser irradiation, the energy distribution that because focus height difference top and bottom is inhomogeneous appears cutting off below not having the cutting phenomenon easily, can cut off but the wire core of the wiring harness can be damaged because of power increase above under the cutting of increase power.

The device is provided with the laser cutting head for cutting the wire bundle in a surrounding mode, so that the cost is reduced, and the working purpose of one-time cutting can be achieved. Moreover, the energy born by the cylindrical surface of the wire harness is balanced when the wire harness is cut in a surrounding cutting mode, and the cutting effect is good. The shielding layer can not leave burrs after being stripped, the incision is smooth, and the guiding outer skin inner core is free from damage.

The present utility model is not limited to a specific manner in which the laser head 3 is rotated 360 ° around the wire harness, and in consideration of a difference in distance between the laser head 3 and the wire harness, in some embodiments, the rotation driving may be achieved by a rotating motor 43 cooperating with a connecting rod that connects a spindle of the motor 43 and the laser head 3, and in another embodiment, the laser wire stripping apparatus 100 further includes a rotation driving assembly 4, the rotation driving assembly 4 includes a support 41, a rotating shaft 42, and a motor 43, the support 41 is fixedly installed to the mounting base 1 and located at one side of the positioning structure 2 in the first horizontal direction, the rotating shaft 42 is rotatably installed to the support 41 along an axis extending in the first horizontal direction as a bearing and installation basis, it should be understood that a center line of the rotating shaft 42 should coincide with a center line of the wire harness, the motor 43 is fixed to the support 41, a spindle of the motor 43 is connected to the rotating shaft 42 through a driving structure, the laser head 3 is fixed to an end of the rotating shaft 42, and a transmitting end of the laser head 3 is offset from the center line of the rotating shaft 42 in the up-down direction. When the motor 43 works, the rotation shaft 42 rotates, and the laser head 3 rotates along with the rotation shaft 42, and the emission end of the laser head 3 is not arranged in a collinear manner with the rotation shaft 42 but has a certain interval, so that the laser head 3 does not rotate on itself when the rotation shaft 42 rotates, but rotates around the center line of the rotation shaft 42 based on the base structure, and can rotate for 360 degrees relative to the wire harness.

It should be understood that in the embodiment of fig. 3, the emission end of the laser head 3 faces down the corresponding wire harness in the initial state, and the laser head 3 is L-shaped as a whole so as to have a fixed radius of rotation after being connected to the rotation shaft 42.

The present utility model is not limited to the specific structural form of the transmission structure, and may be gear fit or pulley fit, in this embodiment, the motor 43 is disposed below the rotation shaft 42 in consideration of space layout, the transmission structure includes two synchronizing wheels 441 and a synchronous belt 442 disposed between the two synchronizing wheels 441, one of the two synchronizing wheels 441 is sleeved outside the rotation shaft 42, and the other one is sleeved outside the main shaft of the motor 43, so that the motor 43 drives the rotation shaft 42 to rotate synchronously, and the rotation shaft 42 is suspended integrally relative to the mounting seat 1.

In order to ensure smooth rotation of the rotary shaft 42, the rotary shaft 42 is engaged with the support 41 by at least one bearing. In this embodiment, two ends of the rotating shaft 42 are respectively engaged with the support 41 through bearings, and correspondingly, the synchronous belt 442 is disposed in the middle of the rotating shaft 42.

Further, the laser wire stripping device 100 further comprises an optical fiber isolator 7 arranged at one side of the rotating shaft 42, which is opposite to the laser head 3; the main function of the fiber isolator 7 is to prevent the light path from being reflected by the light path due to external reasons, thereby causing some adverse effects to the light source or the light path system. Based on this, the rotation shaft 42 is hollow, and is communicated with the laser head 3 and the optical fiber isolator 7 to form an optical path channel 45, so that the laser is deflected and transferred in the optical path channel 45. Thereby forming a closed laser path inside the device, and reasonably setting the turning direction of the path channel 45 so that the laser is focused on the surface of the product according to the set path to complete the cutting work of the shielding wire.

Specifically, in this embodiment, the optical path channel 45 includes two first channel sections 451 and two second channel sections 452, where the two first channel sections 451 extend along a first horizontal direction and are spaced vertically, the two second channel sections 452 are staggered with the two first channel sections 451 and extend vertically, two opposite sides of the first channel sections 451 located in the middle are provided with two first reflectors, the two first reflectors are obliquely arranged towards each other, and a second reflector is obliquely arranged on a side of the end of the first channel section 451 facing away from the other first channel section 451, so that the laser can be emitted from the emitting end of the laser head 3 after passing through the second reflectors. The corresponding laser path is seen in the broken line part in fig. 4, the first reflecting mirror and the second reflecting mirror respectively turn the laser by 90 degrees, and finally the laser is focused on the surface of a product through the focusing mirror, and in the whole cutting process, the rotating shaft 42 drives the laser head 3 to rotate without affecting the trend of the laser, so that stable focusing is maintained.

Further, referring to fig. 2, the positioning structure 2 includes a base 21 and a clamp 22, the base 21 is fixed to the mounting base 1, the clamp 22 is disposed on the base 21, the clamp 22 includes two clamping plates disposed opposite to each other in a second horizontal direction, and the two clamping plates have a movable stroke approaching to or separating from each other for commonly clamping the shielded cable. It should be understood that the two clamping plates may be controlled by two driving members respectively, for example, two cylinders may be provided, or one finger cylinder may be provided, and two clamping plates may be driven at the same time, and in other embodiments, a bidirectional screw structure may be provided to achieve driving, which is not limited in the present application.

It will be appreciated that, in view of the profile of the harness, the opposite sides of both said clamping plates are provided with arcuate grooves to be able to adapt to the profile of the harness.

Furthermore, the laser wire stripping device 100 further comprises a housing 5, wherein the housing 5 is covered outside the laser head 3 and fixed on the mounting seat 1 to form a mounting cavity together with the mounting seat 1, and an opening corresponding to the positioning structure 2 is arranged on one side of the mounting cavity, so that the end part of the shielding cable extends into the mounting cavity from the opening. It will be appreciated that the locating formation 2 may be wholly external to the housing 5 or may extend partially into the housing 5, for example, in this embodiment the base 21 is external to the housing 5 and the ends of the clamping plates extend from the opening into the receiving cavity. The arrangement of the housing 5 enables shielding and protection of the internal components, thus ensuring the appearance of the device.

Considering the heat dissipation of the device, a heat dissipation fan 6 may be disposed on the housing 5, the heat dissipation fan 6 may be capable of guiding the heat in the installation cavity to the outside, the location of the heat dissipation fan 6 is not limited, the heat dissipation fan may be an upper part or a side part, the number of the heat dissipation fans 6 is not limited, and a suitable number of the heat dissipation fans 6 may be set according to the power of the actual structural member. The side wall surface of the installation cavity is provided with a plurality of heat dissipation holes a so as to accelerate air circulation, meanwhile, the installation seat 1 can be arranged into a hollow structure, the inside can be free, the installation seat can also be used for wiring or installing electronic devices, and when the installation seat 1 is hollow, the side wall of the installation seat can be provided with a plurality of heat dissipation holes a so as to dissipate heat, and the structure can enable a certain height to be arranged between a heating device and an installation table top, so that the heat dissipation is facilitated.

Furthermore, in the present embodiment, a plurality of strip-shaped holes 51 are uniformly distributed on the housing 5 along the circumferential direction of the opening. The strip-shaped holes 51 not only can play a role in heat dissipation, but also can play a role in auxiliary monitoring, and along with the rotation of the laser head 3, the strip-shaped holes 51 can be sequentially exposed in each strip-shaped hole 51, and at the moment, the strip-shaped holes 51 can serve as auxiliary monitoring for the rotation position and the rotation angle of the laser head 3.

Besides, an electric board is also arranged in the placement cavity, and a touch screen 8 and/or an operation button 9 electrically connected with the electric board are arranged outside the housing 5. Therefore, the corresponding setting of the equipment cutting process is facilitated, and the use of the equipment is more convenient through the combination of the touch screen 8 and the operation button 9 in the embodiment.

In order to facilitate the maintenance of the relevant parts, two movable door panels are provided on both sides of the housing 5 opposite in the second horizontal direction, and the maintenance personnel can open the door panels to carry out maintenance on the devices located on the corresponding sides.

The utility model also provides a wire harness processing assembly line, which comprises the laser wire stripping device 100, and the wire harness processing assembly line comprises all the technical characteristics of the laser wire stripping device 100, so that the wire harness processing assembly line also has the technical effects brought by all the technical characteristics, and the technical effects are not repeated here.

Specifically, the laser wire stripping device 100 can be used as 1 device for wire stripping alone, or can be integrated on a production line for automatic operation. For example, the wire harness processing line may integrate processing, detecting and stripping processes for the shielded wire, and the laser wire stripping apparatus 100 may be used as a part of the line to perform the automated processing for the whole wire integration.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the specification and drawings of the present utility model or direct/indirect application in other related technical fields are included in the scope of the present utility model.

Claims

1. A laser wire stripping apparatus, comprising:

A mounting base;

2. The laser wire stripping apparatus of claim 1, wherein the laser wire stripping apparatus further comprises a rotational drive assembly comprising:

3. The laser wire stripping device as claimed in claim 2, wherein the motor is located below the rotating shaft, the transmission structure comprises two synchronizing wheels and a synchronous belt arranged between the two synchronizing wheels, one of the two synchronizing wheels is sleeved outside the rotating shaft, and the other is sleeved outside a main shaft of the motor; and/or the number of the groups of groups,

The rotating shaft is matched with the support through at least one bearing.

4. The laser wire stripping apparatus of claim 2, further comprising an optical fiber isolator disposed on a side of the rotating shaft facing away from the laser head;

5. The laser wire stripping device of claim 4, wherein the light path passageway includes two first passageway sections and two second passageway sections, and two first passageway sections extend along first horizontal direction, and upper and lower orientation interval, and two second passageway sections are crisscross with two first passageway sections to be set up, and all extend along upper and lower orientation, wherein, be located in the middle part first passageway section opposite both sides be equipped with two first speculum, two first speculum slope setting towards each other, be located in the tip first passageway section one side of being opposite to another first passageway section be equipped with the second speculum of slope setting, so that laser can pass the second speculum back and export from the transmitting end of laser head.

6. The laser wire stripping apparatus of claim 1, wherein the positioning structure comprises:

A base fixed to the mount; and

7. The laser wire stripping device of claim 1, wherein the laser wire stripping device further includes a housing, wherein the housing is covered outside the laser head and is fixed to the mount to enclose a placement cavity with the mount, and an opening corresponding to the positioning structure is provided at one side of the placement cavity so that an end portion of the shielded cable extends into the placement cavity from the opening.

8. The laser wire stripping device of claim 7, wherein a cooling fan is arranged on the housing; and/or the number of the groups of groups,

9. The laser wire stripping equipment of claim 7, wherein still be equipped with the electrical board in the settling chamber, the outside of housing is equipped with the touch-control screen and/or the operating button of being connected with electrical board electricity.

10. A wire harness processing line comprising the laser wire stripping apparatus as claimed in any one of claims 1 to 9.