CN114393147B - Cutting equipment for automobile wire harness production - Google Patents
Cutting equipment for automobile wire harness production Download PDFInfo
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- CN114393147B CN114393147B CN202111576939.9A CN202111576939A CN114393147B CN 114393147 B CN114393147 B CN 114393147B CN 202111576939 A CN202111576939 A CN 202111576939A CN 114393147 B CN114393147 B CN 114393147B
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- wire harness
- controller
- motor
- groove
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- 238000005520 cutting process Methods 0.000 title claims abstract description 114
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 238000003825 pressing Methods 0.000 claims abstract description 40
- 239000000428 dust Substances 0.000 claims description 50
- 230000005540 biological transmission Effects 0.000 claims description 41
- 239000011247 coating layer Substances 0.000 claims description 32
- 239000011248 coating agent Substances 0.000 claims description 20
- 238000000576 coating method Methods 0.000 claims description 20
- 239000000843 powder Substances 0.000 claims description 20
- 239000002184 metal Substances 0.000 claims description 16
- 229910052751 metal Inorganic materials 0.000 claims description 16
- 239000011347 resin Substances 0.000 claims description 15
- 229920005989 resin Polymers 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 13
- 239000004020 conductor Substances 0.000 claims description 10
- 239000002131 composite material Substances 0.000 claims description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 230000006698 induction Effects 0.000 claims description 8
- 238000010008 shearing Methods 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims description 5
- 239000011521 glass Substances 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 238000002844 melting Methods 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- 238000009826 distribution Methods 0.000 claims description 2
- 239000010410 layer Substances 0.000 claims description 2
- 239000011230 binding agent Substances 0.000 claims 2
- 230000009286 beneficial effect Effects 0.000 abstract description 11
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 3
- 239000011737 fluorine Substances 0.000 description 3
- 229910052731 fluorine Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 239000003973 paint Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F11/00—Cutting wire
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/82—Recycling of waste of electrical or electronic equipment [WEEE]
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shearing Machines (AREA)
Abstract
The invention provides cutting equipment for automobile wire harness production, which comprises: the cutting machine comprises a fixed table, a supporting frame, a knife rest, a cutting knife, a groove, a controller and a movable mechanism; the controller is connected with the movable mechanism; the support frame is fixed above the fixed table through a support rod, the cutter rest is arranged on the support frame, the cutting cutter is fixed on the cutter rest, a groove is formed in the fixed table, the length direction of the groove is perpendicular to the wire harness conveying direction and parallel to the length direction of the cutting cutter, and the cutting cutter is arranged right above the groove; a laser emitter is arranged on one side of the groove, and a laser receiver is arranged on the other side corresponding to the laser emitter; the laser receiver is connected with the controller; the knife rest is connected with the movable mechanism, and the knife rest is controlled to move up and down through the movable mechanism. The invention is beneficial to protecting the cutting scissors by designing the groove and the pressing plate backing plate structure, and can realize the neat and complete cutting of the automobile wire harness.
Description
Technical Field
The invention relates to the technical field of automobile wire harness production, in particular to cutting equipment for automobile wire harness production.
Background
The automobile wire harness is a network main body of an automobile circuit, is used as a connector to be applied to an automobile hardware circuit, and achieves the functions of conduction or communication and the like; the automobile wire harness is used as a carrier for connecting various components of an automobile circuit, so that various signals are accurately transmitted, and the reliability of a connecting circuit is ensured.
With the continuous development of the automobile manufacturing industry, automobile part production is increasingly focusing on the development of automatic and intelligent processing equipment, wherein automobile wire harnesses are used as important components of automobile electronic equipment, and the types, characteristics and functions of the automobile wire harnesses are also increasingly diversified. The wire raw material of the automobile wire harness is usually a wire coil of a package, in the automobile wire harness generation process, the first procedure is to cut wires, namely cut wires with a certain length specification, then continue to process according to application requirements, in the automobile wire harness cutting process, the conditions of insufficient cutting uniformity and incomplete cutting exist at present, and more defective products are easy to produce.
Disclosure of Invention
The invention provides cutting equipment for automobile wire harness production, which is convenient for protecting a cutting knife and realizing complete cutting by designing a groove structure, realizes the compaction of an automobile wire harness by designing a pressing plate and a backing plate structure, and is convenient for the cutting to be neat and smooth.
The invention provides cutting equipment for automobile wire harness production, which comprises: the cutting machine comprises a fixed table, a supporting frame, a knife rest, a cutting knife, a groove, a controller and a movable mechanism; the controller is connected with the movable mechanism; the support frame is fixed above the fixed table through a support rod, the cutter rest is arranged on the support frame, the cutting cutter is fixed on the cutter rest, a groove is formed in the fixed table, the length direction of the groove is perpendicular to the wire harness conveying direction and parallel to the length direction of the cutting cutter, and the cutting cutter is arranged right above the groove; a laser emitter is arranged on one side of the groove, and a laser receiver is arranged on the other side corresponding to the laser emitter; the laser receiver is connected with the controller; the knife rest is connected with the movable mechanism, and the movable mechanism controls the knife rest to move up and down.
Further, the movable mechanism includes: the motor, the first transmission assembly and the second transmission assembly; the first transmission assembly comprises a first transmission rod, a first pull rod and a first rotating wheel, the first rotating wheel is arranged on the supporting frame, an output shaft of the motor is connected with the first rotating wheel, the first rotating wheel is connected with the upper end of the first transmission rod, and the lower end of the first transmission rod is connected with the upper end of the first pull rod; the middle part of the supporting frame is provided with a limiting frame, the middle part of the limiting frame is provided with a limiting hole, a first pull rod penetrates through the limiting hole, the lower end of the first pull rod is connected with a pressing plate, the surface of the pressing plate is provided with a strip-shaped hole, the strip-shaped hole is parallel to the length direction of the cutting knife and is arranged right below the cutting knife, and the length and the width of the strip-shaped hole are the same as those of the cutting knife; the second transmission assembly comprises a second transmission rod, a second pull rod and a second rotating wheel, an output shaft of the motor is connected with the second rotating wheel, and the second transmission assembly is connected with the tool rest.
Further, a base plate is arranged on the fixed table, and is positioned right below the pressing plate and is equal to the area of the pressing plate; the backing plate is provided with a pressure sensor, and the pressure sensor is connected with the controller.
Further, a conveyor belt is arranged on the fixed table, guard plates are arranged on two sides of the conveyor belt, and the width of the conveyor belt is the same as that of the base plate.
Further, before cutting work starts, the conveyor belt conveys the automobile wire harness to the base plate, the pressure sensor sends a signal to the controller, the controller sends a control signal to the motor, the motor controls the first pull rod to move so as to push the pressing plate to move downwards, and the automobile wire harness is pressed; when the pressure sensor monitors that the pressing plate is pressed, an induction signal is sent to the controller, the controller generates a control signal after receiving the induction signal and sends the control signal to the motor, and the motor controls the first pull rod to stop moving after receiving the control signal; after the cutting work is finished, the controller sends a control signal to the motor, and the motor receives the control signal and then controls the first pull rod to move to the initial position.
Further, after the motor controls the first pull rod to stop moving, the controller sends a control signal to the motor, and the motor receives the control signal and then controls the tool rest to move downwards so as to cut the automobile wire harness.
Further, when the laser receiver in the groove cannot receive the signal emitted by the laser emitter, the cutting knife is abutted against the groove, the laser receiver sends a signal to the controller, the controller generates a control signal after receiving the signal and sends the control signal to the motor, and the motor controls the second transmission assembly to drive the tool rest to stop moving downwards and simultaneously move upwards to an initial position after receiving the control signal.
Further, a dust collection mechanism is arranged on one side of the groove and connected with the controller, the dust collection mechanism comprises a dust collection head, a dust collection pipe, a dust collection bag and a control switch, the dust collection head faces the groove, and the dust collection head, the dust collection pipe and the dust collection bag are sequentially connected; after the cutting knife finishes cutting, the controller sends a control signal to the dust collection mechanism to control the control switch to be turned on.
Further, the dust collection mechanism presets the working time, namely the control switch is automatically turned off after working according to the preset working time.
Further, the cutting knife further comprises a composite coating layer covered on the surface of the cutting knife, the composite coating layer comprises a rear coating layer, a middle coating layer and a front coating layer, the rear coating layer is prepared by coating a coating material containing heat-resistant bonding resin and fluororesin, the front coating layer is prepared by coating a coating material taking fluororesin as main film-forming resin, the middle coating layer is prepared by coating a coating material containing heat-resistant bonding resin, fluororesin, low-melting inorganic matters and metal powder, and the metal powder accounts for 20% of the middle coating layer; the low-melting-point inorganic substance is low-melting-point glass powder; the metal powder is iron, and the particle size of the metal powder is not more than 5 microns.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description and drawings.
The technical scheme of the invention is further described in detail through the drawings and the embodiments.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic diagram of a cutting device for producing automobile wire harnesses;
FIG. 2 is a front view of a cutting device for producing automobile wire harnesses;
FIG. 3 is a schematic view of a pad structure according to the present invention;
fig. 4 is a schematic structural view of a dust suction mechanism of the present invention.
In the figure: 1. a fixed table; 2. a support frame; 3. a tool holder; 4. cutting scissors; 5. a controller; 6. a pressing plate; 7. a groove; 8. a movable mechanism; 9. a backing plate; 10. a pressure sensor; 11. a control switch; 12. a dust collection bag; 13. a dust collection pipe; 14. a dust collection head.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.
The invention provides cutting equipment for automobile wire harness production, which is shown in fig. 1 and comprises: the cutting machine comprises a fixed table 1, a support frame 2, a tool rest 3, a cutting tool 4, a groove 7, a controller 5 and a movable mechanism 8; the controller 5 is connected with the movable mechanism 8; the support frame 2 is fixed above the fixed table 1 through a support rod, the cutter rest 3 is arranged on the support frame 2, the cutting cutter 4 is fixed on the cutter rest 3, a groove 7 is formed in the fixed table 1, the length direction of the groove 7 is perpendicular to the wire harness conveying direction and parallel to the length direction of the cutting cutter 4, and the cutting cutter 4 is arranged right above the groove 7; a laser emitter is arranged on one side of the groove 7, and a laser receiver is arranged on the other side corresponding to the laser emitter; the laser receiver is connected with the controller; the tool rest 3 is connected with the movable mechanism 8, and the tool rest 3 is controlled to move up and down through the movable mechanism 8.
In the cutting process of the automobile wire harness, the cable is positioned in the wire hole, the actual condition of stress distribution is complex, the cutting stress is not uniformly distributed, the strength condition of workpiece failure under the limit load must be established, namely the maximum shearing force is calculated, and the calculation formula is as follows:
in the above, M is an active ingredientShear force in cross section, pi is circumference ratio, approximation is 3.14, gamma 1 Gamma, an allowable shear stress of wire harness conductor material 2 The allowable shear stress of the insulating layer material is H, the diameter of a wire harness conductor and the outer diameter of a wire harness cable; in the above equation, the shearing force is proportional to the square of the outer diameter of the cable and the square of the diameter of the harness conductor, and increases as the diameter of the harness conductor increases, and therefore the cable having the largest conductor diameter is selected for calculation.
The working principle of the technical scheme is as follows: the controller 5 is connected with the movable mechanism 8; the support frame 2 is fixed above the fixed table 1 through a support rod, the cutter rest 3 is arranged on the support frame 2, the cutting cutter 4 is fixed on the cutter rest 3, a groove 7 is formed in the fixed table 1, the length direction of the groove 7 is perpendicular to the wire harness conveying direction and parallel to the length direction of the cutting cutter 4, and the cutting cutter 4 is arranged right above the groove 7; a laser emitter is arranged on one side of the groove 7, and a laser receiver is arranged on the other side corresponding to the laser emitter; the laser receiver is connected with the controller 5; the tool rest 3 is connected with the movable mechanism 8, and the tool rest 3 is controlled to move up and down through the movable mechanism 8.
The beneficial effects of the technical scheme are as follows: by adopting the scheme provided by the embodiment, in the cutting process of the automobile wire harness, the groove structure is designed on the conveyor belt, so that the cutting knife is conveniently protected and complete cutting is realized; by designing the pressing plate and backing plate structure, the pressing operation on the automobile wire harness is ensured, and the wire harness is convenient to cut in order; the cutter frame is controlled to move up and down through the movable mechanism, so that the longitudinal cutting of the automobile wire harness by the cutting scissors is realized, and the cutting quality is improved.
In one embodiment, the movable mechanism comprises: the motor, the first transmission assembly and the second transmission assembly; the first transmission assembly comprises a first transmission rod, a first pull rod and a first rotating wheel, the first rotating wheel is arranged on the support frame 2, an output shaft of the motor is connected with the first rotating wheel, the first rotating wheel is connected with the upper end of the first transmission rod, and the lower end of the first transmission rod is connected with the upper end of the first pull rod; the middle part of the supporting frame 2 is provided with a limiting frame, a limiting hole is formed in the middle of the limiting frame, a first pull rod penetrates through the limiting hole, the lower end of the first pull rod is connected with a pressing plate 6, a strip-shaped hole is formed in the surface of the pressing plate 6, the strip-shaped hole is parallel to the length direction of the cutting knife 4 and is arranged right below the cutting knife 4, and the length and the width of the strip-shaped hole are the same as those of the cutting knife 4; the second transmission assembly comprises a second transmission rod, a second pull rod and a second rotating wheel, an output shaft of the motor is connected with the second rotating wheel, and the second transmission assembly is connected with the tool rest 3.
The working principle of the technical scheme is as follows: the movable mechanism includes: the motor, the first transmission assembly and the second transmission assembly; the first transmission assembly comprises a first transmission rod, a first pull rod and a first rotating wheel, the first rotating wheel is arranged on the support frame 2, an output shaft of the motor is connected with the first rotating wheel, the first rotating wheel is connected with the upper end of the first transmission rod, and the lower end of the first transmission rod is connected with the upper end of the first pull rod; the middle part of the supporting frame 2 is provided with a limiting frame, a limiting hole is formed in the middle of the limiting frame, a first pull rod penetrates through the limiting hole, the lower end of the first pull rod is connected with a pressing plate 6, a strip-shaped hole is formed in the surface of the pressing plate 6, the strip-shaped hole is parallel to the length direction of the cutting knife 4 and is arranged right below the cutting knife 4, and the length and the width of the strip-shaped hole are the same as those of the cutting knife 4; the second transmission assembly comprises a second transmission rod, a second pull rod and a second rotating wheel, an output shaft of the motor is connected with the second rotating wheel, and the second transmission assembly is connected with the tool rest 3.
The beneficial effects of the technical scheme are as follows: by adopting the scheme provided by the embodiment, through designing the movable mechanism, the control on the tool rest and the pressing plate is realized by utilizing the motor to drive the pull rod, the tool rest is used for longitudinally cutting the automobile wire harness, the pressing plate is used for pressing the automobile wire harness, the control on the cutting process of the automobile wire harness can be better realized, and the cutting quality is ensured.
In one embodiment, as shown in fig. 2, the fixed table 1 is provided with a pad 9, and the pad 9 is located right below the pressing plate 6 and has the same area as the pressing plate 6; the backing plate 9 is provided with a pressure sensor 10, and the pressure sensor 10 is connected with the controller 5.
The working principle of the technical scheme is as follows: a base plate 9 is arranged on the fixed table 1, and the base plate 9 is positioned right below the pressing plate 6 and is equal to the pressing plate 6 in area; the backing plate 9 is provided with a pressure sensor 10, and the pressure sensor 10 is connected with the controller 5; the backing plate 9 is used for receiving the automobile wire harness and the pressing plate 6, and the pressure sensor 10 is used for monitoring the pressure.
The beneficial effects of the technical scheme are as follows: by adopting the scheme provided by the embodiment, the laying and supporting are better provided for the wire harness through the design of the backing plate structure, and the accurate pressure monitoring is realized by the pressure sensor, so that the pressing operation of the pressing plate is controlled conveniently.
In one embodiment, the fixed table 1 is provided with a conveyor belt, two sides of the conveyor belt are provided with guard plates, and the width of the conveyor belt is the same as that of the backing plate 9.
The working principle of the technical scheme is as follows: the conveyer belt is used for conveying the car pencil, and backplate of conveyer belt both sides retrains car pencil on the conveyer belt.
The beneficial effects of the technical scheme are as follows: by adopting the scheme provided by the embodiment, through the design of the conveyer belt guard plate, the conveying area of the automobile wire harness can be restrained, and the automobile wire harness is ensured to be accurately conveyed to the backing plate.
In one embodiment, before the cutting work starts, the conveyor belt conveys the automobile wire harness to the base plate 9, the pressure sensor 10 sends a signal to the controller 5, the controller 5 sends a control signal to the motor, the motor controls the first pull rod to move so as to push the pressing plate 6 to move downwards, and the automobile wire harness is pressed; when the pressure sensor 10 monitors that the pressing plate 6 is pressed tightly, an induction signal is sent to the controller 5, the controller 5 receives the induction signal and then generates a control signal and sends the control signal to the motor, and the motor controls the first pull rod to stop moving after receiving the control signal; after the cutting work is finished, the controller 5 sends a control signal to the motor, and the motor receives the control signal and then controls the first pull rod to move to the initial position.
The working principle of the technical scheme is as follows: before cutting work starts, the conveyor belt conveys the automobile wire harness to the base plate 9, the pressure sensor 10 sends a signal to the controller 5, the controller 5 sends a control signal to the motor, the motor controls the first pull rod to move, the pressing plate 6 is pushed to move downwards, and the automobile wire harness is pressed; when the pressure sensor 10 monitors that the pressing plate 6 is pressed tightly, an induction signal is sent to the controller 5, the controller 5 receives the induction signal and then generates a control signal and sends the control signal to the motor, and the motor controls the first pull rod to stop moving after receiving the control signal; after the cutting work is finished, the controller 5 sends a control signal to the motor, and the motor receives the control signal and then controls the first pull rod to move to the initial position.
The beneficial effects of the technical scheme are as follows: by adopting the scheme provided by the embodiment, the stress condition of the backing plate is monitored through the pressure sensor, the falling amplitude of the pressing plate is controlled, and the pressing operation of the automobile wire harness is realized; the lifting of the pressing plate by the lifting mechanism is realized through the control of the controller.
In one embodiment, after the motor controls the first pull rod to stop moving, the controller 5 sends a control signal to the motor, and the motor receives the control signal and then controls the knife rest 3 to move downwards to cut the automobile wire harness.
The working principle of the technical scheme is as follows: after the motor controls the first pull rod to stop moving, the controller sends a control signal to the motor, and the motor receives the control signal and then controls the tool rest to move downwards so as to cut the automobile wire harness.
The beneficial effects of the technical scheme are as follows: by adopting the scheme provided by the embodiment, the pressing operation is firstly carried out on the automobile wire harness through the pressing plate, and then the cutting operation is carried out, so that the tight connection of the automobile wire harness cutting process is realized.
In one embodiment, when the laser receiver in the groove 7 does not receive the signal emitted by the laser emitter, the cutting blade 4 collides with the groove 7, the laser receiver sends a signal to the controller 5, the controller 5 generates a control signal after receiving the signal and sends the control signal to the motor, and the motor controls the second transmission assembly to drive the tool rest 3 to stop moving downwards and simultaneously move upwards to the initial position after receiving the control signal.
The working principle of the technical scheme is as follows: when the laser receiver in the groove 7 cannot receive the signal emitted by the laser emitter, the cutting knife 4 is abutted against the groove 7, the laser receiver sends a signal to the controller 5, the controller 5 receives the signal and then generates a control signal and sends the control signal to the motor, and the motor controls the second transmission assembly to drive the knife rest 3 to stop moving downwards and simultaneously move upwards to the initial position after receiving the control signal.
The beneficial effects of the technical scheme are as follows: by adopting the scheme provided by the embodiment, the laser transmitter and the laser receiver are arranged in the groove, and the cutting knife is utilized to touch the laser transmitting line to cause the laser transmission to be interrupted, so that the signal monitoring of the laser receiver is influenced, the accurate control of the cutting knife is realized, and the cutting knife is ensured to completely cut the automobile wire harness.
In one embodiment, as shown in fig. 3, a dust collection mechanism is arranged on one side of the groove 7 and connected with the controller 5, the dust collection mechanism comprises a dust collection head 14, a dust collection pipe 13, a dust collection bag 12 and a control switch 11, the dust collection head 14 is opposite to the groove 7, and the dust collection head 14, the dust collection pipe 13 and the dust collection bag 12 are sequentially connected; after the cutting knife 4 finishes cutting, the controller 5 sends a control signal to the dust collection mechanism to control the control switch 11 to be turned on.
The working principle of the technical scheme is as follows: one side of the groove 7 is provided with a dust collection mechanism which is connected with the controller 5, the dust collection mechanism comprises a dust collection head 14, a dust collection pipe 13, a dust collection bag 12 and a control switch 11, the dust collection head 14 is opposite to the groove 7, and the dust collection head 14, the dust collection pipe 13 and the dust collection bag 12 are sequentially connected; after the cutting knife 4 finishes cutting, the controller 5 sends a control signal to the dust collection mechanism to control the control switch 11 to be turned on.
The beneficial effects of the technical scheme are as follows: by adopting the scheme provided by the embodiment, the dust-free environment in the cutting process is ensured by adding the dust collection mechanism, and the cutting quality is improved.
In one embodiment, the dust collection mechanism is preset with a working time period, that is, the control switch 11 is closed by itself after working according to the preset working time period.
The working principle of the technical scheme is as follows: the dust collection mechanism presets the working time length, and the control switch 11 is automatically closed after the working according to the preset working time length.
The beneficial effects of the technical scheme are as follows: by adopting the scheme provided by the embodiment, the automatic control of the working time of the dust collection mechanism is realized.
In one embodiment, the cutting blade 4 further comprises a composite coating layer covering the surface of the cutting blade 4, wherein the composite coating layer comprises a rear coating layer, a middle coating layer and a front coating layer, the rear coating layer is prepared by coating a paint containing heat-resistant bonding resin and fluorine resin, the front coating layer is prepared by coating a paint with fluorine resin as a main film-forming resin, the middle coating layer is prepared by coating a paint with heat-resistant bonding resin, fluorine resin, low-melting inorganic matters and metal powder, and the metal powder accounts for 20% of the middle coating layer; the low-melting-point inorganic substance is low-melting-point glass powder; the metal powder is iron, and the particle size of the metal powder is not more than 5 microns.
The working principle of the technical scheme is as follows: the cutting knife 4 further comprises a composite coating layer coated on the surface of the cutting knife 4, wherein the composite coating layer comprises a rear coating layer, a middle coating layer and a front coating layer, the rear coating layer is prepared by coating a coating material containing heat-resistant bonding resin and fluororesin, the front coating layer is prepared by coating a coating material taking fluororesin as main film-forming resin, the middle coating layer is prepared by coating a coating material containing heat-resistant bonding resin, fluororesin, low-melting inorganic matters and metal powder, and the proportion of the metal powder in the middle coating layer is 20%; the low-melting-point inorganic substance is low-melting-point glass powder; the metal powder is iron, and the particle size of the metal powder is not more than 5 microns.
The beneficial effects of the technical scheme are as follows: by adopting the scheme provided by the embodiment, the composite coating is coated on the cutting knife, so that the hardness of the cutting knife can be increased, and the service life of the cutting knife can be prolonged.
Claims (10)
1. Cutting equipment is used in car pencil production, characterized in that includes: the cutting machine comprises a fixed table (1), a supporting frame (2), a knife rest (3), a cutting knife (4), a groove (7), a controller (5) and a movable mechanism (8); the controller (5) is connected with the movable mechanism (8); the support frame (2) is fixed above the fixed table (1) through a support rod, the tool rest (3) is arranged on the support frame (2), the cutting tool (4) is fixed on the tool rest (3), a groove (7) is formed in the fixed table (1), the length direction of the groove (7) is perpendicular to the wire harness conveying direction and parallel to the length direction of the cutting tool (4), and the cutting tool (4) is arranged right above the groove (7); a laser emitter is arranged on one side of the groove (7), and a laser receiver is arranged on the other side corresponding to the laser emitter; the laser receiver is connected with the controller (5); the tool rest (3) is connected with the movable mechanism (8), and the movable mechanism (8) controls the tool rest (3) to move up and down;
in the cutting process of the automobile wire harness, the cable is positioned in the wire hole, the actual condition of stress distribution is complex, the cutting stress is not uniformly distributed, the strength condition of workpiece failure under the limit load must be established, namely the maximum shearing force is calculated, and the calculation formula is as follows:
in the above formula, M is a shearing force acting on the cross section, pi is a circumference ratio, and the approximate value is 3.14, gamma 1 Gamma, an allowable shear stress of wire harness conductor material 2 The allowable shear stress of the insulating layer material is H, the diameter of a wire harness conductor and the outer diameter of a wire harness cable; in the above equation, the shearing force is proportional to the square of the outer diameter of the cable and the square of the diameter of the harness conductor, and increases as the diameter of the harness conductor increases, and therefore the cable having the largest conductor diameter is selected for calculation.
2. Cutting device for automotive harness production according to claim 1, characterized in that the movable mechanism (8) comprises: the motor, the first transmission assembly and the second transmission assembly; the first transmission assembly comprises a first transmission rod, a first pull rod and a first rotating wheel, the first rotating wheel is arranged on the supporting frame (2), an output shaft of the motor is connected with the first rotating wheel, the first rotating wheel is connected with the upper end of the first transmission rod, and the lower end of the first transmission rod is connected with the upper end of the first pull rod; the middle part of the supporting frame (2) is provided with a limiting frame, a limiting hole is formed in the middle of the limiting frame, a first pull rod penetrates through the limiting hole, the lower end of the first pull rod is connected with a pressing plate (6), a strip-shaped hole is formed in the surface of the pressing plate (6), the strip-shaped hole is parallel to the length direction of the cutting knife (4), and the strip-shaped hole is arranged right below the cutting knife (4) and is identical to the cutting knife (4) in length and width; the second transmission assembly comprises a second transmission rod, a second pull rod and a second rotating wheel, an output shaft of the motor is connected with the second rotating wheel, and the second transmission assembly is connected with the tool rest (3).
3. The cutting device for automobile wire harness production according to claim 2, wherein a base plate (9) is arranged on the fixed table (1), and the base plate (9) is positioned right below the pressing plate (6) and is equal to the pressing plate (6) in area; the base plate (9) is provided with a pressure sensor (10), and the pressure sensor (10) is connected with the controller (5).
4. A cutting device for automotive harness production according to claim 3, characterized in that the fixing table (1) is provided with a conveyor belt, both sides of the conveyor belt are provided with guard plates, and the width of the conveyor belt is the same as the width of the backing plate (9).
5. The cutting device for automobile wire harness production according to claim 4, wherein before cutting work starts, the conveyor belt conveys an automobile wire harness to the base plate (9), the pressure sensor (10) sends a signal to the controller (5), the controller (5) sends a control signal to the motor, the motor controls the first pull rod to move, the pressing plate (6) is pushed to move downwards, and the automobile wire harness is pressed; when the pressure sensor (10) monitors that the pressing plate (6) is pressed, an induction signal is sent to the controller (5), the controller (5) generates a control signal after receiving the induction signal and sends the control signal to the motor, and the motor controls the first pull rod to stop moving after receiving the control signal; after the cutting work is finished, the controller (5) sends a control signal to the motor, and the motor receives the control signal and then controls the first pull rod to move to the initial position.
6. The cutting device for automobile wire harness production according to claim 5, wherein after the motor controls the first pull rod to stop moving, the controller (5) sends a control signal to the motor, and after the motor receives the control signal, the motor controls the knife rest to move downwards so as to cut the automobile wire harness.
7. The cutting device for automobile wire harness production according to claim 6, wherein when the laser receiver in the groove (7) cannot receive the signal emitted by the laser emitter, the cutting knife (4) is in interference with the groove (7), the laser receiver sends a signal to the controller (5), the controller (5) receives the signal to generate a control signal and send the control signal to the motor, and the motor controls the second transmission assembly to drive the knife rest (3) to stop moving downwards and move upwards to the initial position after receiving the control signal.
8. The cutting device for automobile wire harness production according to claim 1, wherein a dust collection mechanism is arranged on one side of the groove (7), the dust collection mechanism is connected with the controller (5) and comprises a dust collection head (14), a dust collection pipe (13), a dust collection bag (12) and a control switch (11), the dust collection head (14) is opposite to the groove (7), and the dust collection head (14), the dust collection pipe (13) and the dust collection bag (12) are sequentially connected; after the cutting knife (4) finishes cutting, the controller (5) sends a control signal to the dust collection mechanism to control the control switch (11) to be turned on.
9. The cutting device for automobile wire harness production according to claim 8, wherein the dust collection mechanism is preset with a working time length, namely the control switch (11) is automatically closed after working according to the preset working time length.
10. The cutting apparatus for automotive wire harness production as claimed in claim 1, wherein the cutting blade (4) further comprises a composite coating layer covering the surface of the cutting blade (4), the composite coating layer comprising a rear coating layer made of a coating material containing a heat-resistant binder resin and a fluororesin, a middle coating layer made of a coating material containing a fluororesin as a main film-forming resin, and a front coating layer made of a coating material containing a heat-resistant binder resin, a fluororesin, a low-melting inorganic substance and a metal powder as main components
The proportion of the metal powder to the middle coating is 20%; the low-melting-point inorganic substance is low-melting-point glass powder;
the metal powder is iron, and the particle size of the metal powder is not more than 5 microns.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111576939.9A CN114393147B (en) | 2021-12-21 | 2021-12-21 | Cutting equipment for automobile wire harness production |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111576939.9A CN114393147B (en) | 2021-12-21 | 2021-12-21 | Cutting equipment for automobile wire harness production |
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| CN114393147B true CN114393147B (en) | 2024-02-23 |
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| CN114393147A (en) | 2022-04-26 |
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