Cutting device for automobile wire harness production

Abstract

The invention discloses a cutting device for automobile wire harness production, and belongs to the technical field of automobile wire harness processing, the cutting device comprises a lining plate, the lining plate is of an L-shaped structure, assembly blocks are symmetrically welded to the upper end of the lining plate, a guide plate is arranged at the upper end of the lining plate and located between the pair of assembly blocks, and a positioning strip is arranged on the lower surface of the guide plate; the positioning strip is hung below the guide plate by arranging connecting pieces at two ends, and the end part of the guide plate and the positioning strip are cut into cambered surfaces, so that the end part of the guide plate and the positioning strip form an open structure. The end part of the guide plate and the positioning strip are cut into cambered surfaces to form an open structure, so that the passing of the wire harness is greatly facilitated, when the wire harness with a bent end part is encountered, the bent end and other normal wire harnesses are not on the same horizontal plane, the bent wire harness can be propped against the end part of the guide plate or the positioning strip, and the wire harness is prevented from being damaged under the guide of the cambered surfaces. According to the movement principle of an object on the inclined plane, the bent end can move outwards towards the end part of the guide plate or the positioning strip.

Description

Technical Field

[0001] The invention belongs to the technical field of automotive wiring harness processing, and particularly relates to a cutting device for automotive wiring harness production. Background Art

[0002] When producing and processing automotive wiring harnesses, it is often necessary to cut the raw material cables according to requirements. Existing cutting equipment can cut multiple wiring harnesses at one time, and under the action of the operating table, the wiring harnesses can be limited in position, so that there will be no large errors when they are cut. However, in actual use, the wiring harnesses cannot be in a tight state, and the bent wiring harnesses will cause large errors in the length of the wiring harnesses, resulting in inaccurate cutting lengths of the wiring harnesses by the device.

[0003] Chinese Utility Model Patent CN222344092U discloses a wiring harness cutting device for automotive wiring harness production. Through the cooperation of guide wheels and an extrusion mechanism, the wiring harnesses can be extruded and limited in position, so that they can always be in a tight state, avoiding the bending of the wiring harnesses, and thus making the size of the wiring harnesses more accurate after being cut.

[0004] Although the wiring harnesses are extruded and limited in position to always be in a tight state, there will still be a blank area between the extrusion mechanism and the cutting structure. When the wire head reaches the blank area, if the torsion of the wire head itself is too large, there will still be a bending phenomenon, resulting in an inclined cut surface, which is different from the flat cut surface of other straightened wiring harnesses, causing the product to be unqualified. Summary of the Invention

[0005] The purpose of this part is to outline some aspects of the embodiments of the invention and briefly introduce some preferred embodiments. Simplifications or omissions may be made in this part, as well as in the abstract and title of the specification of this application, to avoid obscuring the purpose of this part, the abstract, and the title of the invention. However, such simplifications or omissions cannot be used to limit the scope of the invention.

[0006] To solve the problems raised in the above background art, the invention adopts the following technical solutions.

[0007] A cutting device for automobile wire harness production comprises a lining plate, which is an L-shaped structure. An assembly block is symmetrically welded on the upper end of the lining plate. The assembly block is in the shape of an angle steel, and a baffle is fixedly connected between the assembly blocks. A through hole is opened at the lower end of the baffle for the wiring harness to pass through. A connecting frame is arranged between the assembly blocks and on the front surface of the baffle. A knife holder is installed on the connecting frame. A buffer rod is connected through the knife holder. A cutter is connected to the end of the buffer rod. The cutter is located directly above the through hole of the baffle. A baffle is fixedly connected on the assembly block and on the front surface of the connecting frame. The baffle and the angle steel-shaped assembly block form a slide groove structure. The connecting frame slides vertically in the slide groove structure. A cross bar is arranged at the lower end of the connecting frame. An eccentric wheel is arranged between the cross bar and the connecting frame. A driver is placed on the lining plate, and the driving end of the driver is connected to the eccentric wheel. When the driver drives the eccentric wheel to rotate, the eccentric wheel is used to resist the cross bar and its connecting frame, so that the connecting frame slides up and down between the baffle bar and the assembly block.

[0008] Preferably, a guide plate is provided at the upper end of the lining plate and between a pair of assembly blocks, and a positioning strip is provided on the lower surface of the guide plate. The positioning strip is hung under the guide plate by providing connecting pieces at both ends. The end of the guide plate and the positioning strip are both cut into arc surfaces, so that the end of the guide plate and the positioning strip form an open structure.

[0009] Preferably, a drive box is fixedly connected to the upper surface of the lining plate, a panel is laid on the upper surface of the drive box, waist holes are symmetrically opened on the panel along the width direction, a constraint strip is slidably connected to the waist hole, and the upper surface of the panel and the upper surface of the positioning strip are on the same plane.

[0010] Preferably, a crossbeam is installed on the lower surface of the panel and at the waist hole position, a slide groove is opened on the upper surface of the crossbeam, a screw is passed through the constraint bar, and the nail tail is placed in the slide groove of the crossbeam.

[0011] Preferably, side panels are symmetrically provided on the drive box and located at the ends of the panel. The lower ends of the side panels are rotatably connected to a drive roller via bearings. One section of the drive roller passes through the side panel and is connected to a first pulley. The drive box has a built-in motor. The output end of the motor is sleeved with a second pulley, and the second pulley is connected to the first pulley by a belt.

[0012] Preferably, a U-shaped groove is provided in the center of the upper end of the side plate, a rotating shaft is placed in the U-shaped groove, an auxiliary roller is fixedly sleeved outside the rotating shaft, the auxiliary roller is located above the driving roller, a rectangular block is provided on the upper surface of the U-shaped groove, a screw hole is provided on the rectangular block, a bolt is threadedly connected to the rectangular block through the screw hole, a spring is sleeved at the lower end of the bolt, a pad is fixedly sleeved at the end of the spring, and the pad is abutted against the rotating shaft.

[0013] Preferably, a support plate is provided at the front end of the drive box, and a pressure roller is rotatably connected to the front end of the upper surface of the support plate, leaving a gap between the pressure roller and the upper surface of the support plate, and a wire feeder plate is centrally installed on the upper surface of the support plate, and pressure blocks are provided at both ends of the upper surface of the wire feeder plate, and a wire feeder gap is provided between the pressure blocks and the wire feeder plate.

[0014] Preferably, a slide is installed on one side of the drive box, a column is mounted on the slide, a lock is fixedly connected to the column, an end column is horizontally inserted on the lock, a probe is installed on the short column, and the probe is located directly above the line inlet board.

[0015] Preferably, the slide includes a frame and a stud arranged in the frame, one end of the stud passes through the frame and is connected to a motor, a limit rod is connected in parallel in the frame and located on one side of the stud, a slider is slidably connected to the stud and the limit rod, and the column is fixedly inserted into the slider.

[0016] Compared with the prior art, the present invention has the following beneficial effects: In the present invention, the wire harness is squeezed and limited by auxiliary rollers and driving rollers, so that it can be kept in a taut state at all times to avoid bending of the wire harness. A guide plate and a positioning strip are provided in the blank area between the cutting mechanism and the squeezing mechanism. The end of the guide plate and the positioning strip are cut into arc surfaces, and the two form an open structure, which greatly facilitates the passage of the wire harness. When encountering a wire harness with a bent end, since the bent end is not on the same horizontal plane as other normal wire harnesses, the bent wire harness will conflict with the end of the guide plate or the positioning strip. Under the guidance of the arc surface, according to the movement principle of the object on the inclined surface, the bent end will move outward toward the end of the guide plate or the positioning strip, similar to an inclined slope. The object will move in a specific direction under the guidance of its own gravity and the slope, thereby avoiding the wire harness with a bent end from being cut off by mistake, thereby preventing the port from being an inclined surface, and ensuring the quality of the wire harness port cutting.

[0017] In the present invention, the wire harness passes through the positioning strip and the guide plate, and is positioned by the positioning strip and the guide plate to further improve the cutting accuracy. The end of the guide plate and the positioning strip form an open structure to facilitate the entry of the wire harness, and their lower surfaces are in the same plane, so that the wire harness can reach the cutting position in a stable posture.

[0018] In the present invention, the cutter is located directly above the through hole of the baffle plate, and the cutting action is realized by vertically sliding the connecting frame in the slide groove structure formed by the baffle bar and the assembly block. This structure can ensure that the position of the cutter is relatively fixed each time it descends, so as to accurately cut the wire harness. The cutter is connected to the cutter frame through the buffer rod, and the buffer rod can play a buffering role during the cutting process. When the cutter contacts the wire harness, the buffer rod can absorb part of the impact force to prevent the cutter from being damaged due to excessive impact force, and at the same time, it can also avoid adverse effects such as excessive squeezing of the wire harness.

[0019] In the present invention, the wire inlet plate on the supporting plate is provided with a wire inlet gap and has pressing blocks at both ends, which can sort and restrain the wire harness before it enters the cutting area, so that the wire harness maintains a stable posture during the conveying process. The waist-shaped holes on the panel cooperate with the restraining strips, and the restraining strips are connected to the sliding grooves of the cross beam by screws, and the restraining range of the wire harness on the panel can be adjusted according to actual needs to meet different production requirements. Brief Description of the Drawings

[0020] Figure 1 It is the general assembly drawing of the cutting device in the present invention.

[0021] Figure 2 It is the three-dimensional structure of the cutting device in the present invention Figure 1 。

[0022] Figure 3 It is the three-dimensional structure of the cutting device in the present invention Figure 2 。

[0023] Figure 4 It is the internal structure diagram of the cutting device in the present invention..

[0024] Figure 5 It is the structure diagram of the wire harness extrusion restraint mechanism in the present invention.

[0025] Figure 6 It is the side view of the wire harness extrusion restraint mechanism in the present invention.

[0026] Figure 7 It is the three-dimensional structure of the cutting mechanism in the present invention Figure 1 。

[0027] Figure 8 It is the three-dimensional structure of the cutting mechanism in the present invention Figure 2 。

[0028] Figure 9 It is the three-dimensional structure of the cutting mechanism in the present invention Figure 3 。

[0029] The corresponding relationship between the labels and component names in the drawings is as follows: 1. Liner; 11. Assembly block; 12. Baffle; 13. Buffer rod; 131. Tool holder; 132. Cutting tool; 14. Stop bar; 15. Connecting frame; 16. Driver; 161. Eccentric wheel; 17. Guide plate; 171. Positioning bar; 2. Side plate; 21. Bolt; 22. Auxiliary roller; 23. Driving roller; 231. First pulley; 3. Cross beam; 31. Panel; 311. Waist-shaped hole, 312. Restraining strip; 32. Driving box; 33. Motor; 331. Second pulley; 4. Supporting plate; 41. Pressing roller; 42. Wire inlet plate; 5. Slide table; 51. Column; 511. Lock; 512. Probe. Detailed Description of the Invention

[0030] To make the above objects, features, and advantages of the present invention more apparent and understandable, the following provides a detailed description of the specific embodiments of the present invention in conjunction with the accompanying drawings of the specification.

[0031] In the following description, numerous specific details are set forth to facilitate a thorough understanding of the present invention. However, the present invention may be implemented in other ways different from those described herein. Persons skilled in the art may make similar generalizations without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited by the specific embodiments disclosed below.

[0032] Secondly, the so-called "one embodiment" or "embodiment" herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The appearances of "in one embodiment" in different places in this specification do not all refer to the same embodiment, nor are they separate or alternative embodiments that exclude each other. The present invention provides the following embodiments.

[0033] Refer to Figure 2 and Figure 7 is a structural diagram of a cutting device for automotive wire harness production in this embodiment, including a lining plate 1. The lining plate 1 has an L-shaped structure to facilitate the installation of other components and ensure the stability of the entire device. Refer to Figure 8 and Figure 9In this embodiment, the upper end of the lining plate 1 is symmetrically welded with an assembly block 11 to provide an installation position for other components. Since the assembly block 11 is in the shape of an angle steel and has a specific shape and structure, it can accurately position and fix other related components, and a baffle 12 is fixedly connected between the assembly blocks 11. A through hole is opened at the lower end of the baffle 12 for the wire harness to pass through, which plays a guiding role for the wire harness and ensures that the wire harness can accurately reach the cutting position. During the cutting process, the baffle 12 can also play a certain protective role for the wire harness to prevent the wire harness from excessively swinging or shifting due to the impact force of the cutter 132 during cutting. A connecting frame 15 is provided between the assembly blocks 11 and on the front surface of the baffle 12. A knife holder 131 is installed on the connecting frame 15. A buffer rod 13 is connected to the knife holder 131 through and connected. The end of the buffer rod 13 is connected to a cutter 132. The cutter 132 is located directly above the through hole of the baffle 12. In this embodiment, when cutting, when the cutter 132 contacts the wire harness, an impact force is generated, and the buffer rod 13 can absorb and buffer the impact force, prevent the cutter 132 from being damaged due to a sudden strong impact, and also avoid excessive extrusion of the wire harness or reduction in cutting quality. A baffle 14 is fixedly connected to the assembly block 11 and located on the front surface of the connecting frame 15. The baffle 14 and the angle steel-shaped assembly block 11 form a slide structure. The connecting frame 15 slides vertically in the slide structure. A cross bar is provided at the lower end of the connecting frame 15. An eccentric wheel 161 is provided between the cross bar and the connecting frame 15. A driver 16 is placed on the lining plate 1, and the driving end of the driver 16 is connected to the eccentric wheel 161. When the driver 16 drives the eccentric wheel 161 to rotate, the eccentric wheel 161 is used to resist the cross bar and its connecting frame 15, so that the connecting frame 15 slides up and down between the baffle 14 and the assembly block 11. In this embodiment, when the driver 16 drives the eccentric wheel 161 to rotate, due to the special shape and structure of the eccentric wheel 161, its circular motion can be converted into the up and down linear motion of the cross bar and its connecting frame 15. This power conversion method can convert the rotational power of the driver 16 into the up and down cutting power required by the cutter 132.

[0034] In summary: In the initial state, the connecting frame 15 is at a higher position, the cutting knife 132 is located at a certain distance above the through hole of the baffle 12, and the driver 16 is in a stationary state. When wire harness cutting is required, the driver 16 is started. The driving end of the driver 16 drives the eccentric wheel 161 to start rotating. During the rotation of the eccentric wheel 161, due to its eccentric structure, it will periodically contact the cross bar and its connecting frame 15. Under the contact of the eccentric wheel 161, the connecting frame 15 slides vertically downward along the chute structure formed by the stop bar 14 and the assembly block 11. As the connecting frame 15 slides downward, the tool holder 131 mounted on the connecting frame 15 and the cutting knife 132 connected to the end of the buffer rod 13 also move downward synchronously. The cutting knife 132 passes through the through hole at the lower end of the baffle 12 to perform a cutting operation on the wire harness. At the moment of cutting, the buffer rod 13 plays a buffering role to absorb the impact force generated when the cutting knife 132 contacts the wire harness. After the cutting is completed, the driver 16 continues to rotate, and the eccentric wheel 161 makes the connecting frame 15 slide upward, driving the cutting knife 132 back to the initial position to wait for the next cutting instruction.

[0035] In Figure 7 the upper end of the lining plate 1 and between a pair of assembly blocks 11, a guiding plate 17 is provided. The guiding plate 17 provides a guiding path for the wire harness to enter the cutting area, enabling the wire harness to enter the subsequent processing area in a predetermined direction, avoiding the wire harness from shifting during the entry process. The lower surface of the guiding plate 17 is provided with positioning strips 171. The positioning strips 171 are hung below the guiding plate 17 through the connecting pieces at both ends and cooperate with the guiding plate 17 to position the wire harness, which can limit the position of the wire harness in the vertical direction, ensure that the wire harness is at the correct height position during cutting, and improve the cutting accuracy. The ends of the guiding plate 17 and the positioning strips 171 are both cut into arc surfaces, so that the ends of the guiding plate 17 and the positioning strips 171 form an open structure. When a wire harness with a bent end passes through, the positioning strip 171 can play a screening role. For a normal wire harness, due to its normal overall shape, it can smoothly pass through the open structure formed by the end of the guiding plate 17 and the positioning strip 171 and enter the cutting area. For a wire harness with a bent end, since the bent part and other normal parts are not in the same plane, when it approaches the open structure, the bent end will contact the end of the guiding plate 17 or the arc surface of the positioning strip 171. Under the guidance of the arc surface, the bent end will move outward towards the end of the guiding plate 17 or the positioning strip 171, thus deviating from the path of entering the cutting area and avoiding being mis-cut.

[0036] In Figure 4 and Figure 5Among them, the upper surface of the liner 1 is fixedly connected with a drive box 32 to provide a receiving space for other components and play a role in protecting the internal components. The upper surface of the drive box 32 is paved with a panel 31 to provide support for the wire harness transportation and prevent the wire harness from bending due to its own weight. Waist-shaped holes 311 are symmetrically opened on the panel 31 along the width direction. A constraint strip 312 is slidably connected to the waist-shaped holes 311. The upper surface of the panel 31 and the upper surface of the positioning strip 171 are on the same plane. In the initial state of this embodiment, the constraint strip 312 is located at a certain initial position of the waist-shaped hole 311, which is preset according to past production experience or the type of wire harness to be processed. When the wire harness moves from the positioning strip 171 area to the panel 31, since the upper surfaces of the panel 31 and the positioning strip 171 are on the same plane, the wire harness can transition smoothly. When it is necessary to adjust the constraint range of the wire harness, the constraint strip 312 is slid along the waist-shaped hole 311 to adjust the wire harness passing channel. Further, a cross beam 3 is installed on the lower surface of the panel 31 and at the position of the waist-shaped hole 311. A chute is opened on the upper surface of the cross beam 3. The chute on the cross beam 3 is used to thicken the waist-shaped hole 311, so that the constraint strip 312 can slide more smoothly on the waist-shaped hole 311. At the same time, a screw penetrates through the constraint strip 312, and the tail of the screw is placed in the chute of the cross beam 3 to increase the constraint ability of the constraint strip 312 during sliding.

[0037] In Figure 4 and Figure 6In it, on the driving box 32 and symmetrically arranged at the end of the panel 31 are side plates 2. At the lower end of the side plates 2, driving rollers 23 are rotatably connected by bearings. One section of the driving roller 23 penetrates through the side plate 2 and is connected with a first pulley 231. A motor 33 is built in the driving box 32, and the output end of the motor 33 is sleeved with a second pulley 331. The second pulley 331 and the first pulley 231 are connected by a belt. In this embodiment, when the motor 33 is started, the output end of the motor 33 drives the second pulley 331 to start rotating. The second pulley 331 transmits power to the first pulley 231 through the belt. The first pulley 231 drives the driving roller 23 to rotate under the support of the bearing at the lower end of the side plate 2. When the wire harness is placed on the driving roller 23, as the driving roller 23 rotates, the wire harness starts to be conveyed. Further, a U-shaped groove is centrally opened at the upper end of the side plate 2. A rotating shaft is placed in the U-shaped groove, and an auxiliary roller 22 is fixedly sleeved outside the rotating shaft. The auxiliary roller 22 is located above the driving roller 23. A rectangular block is arranged on the upper surface of the U-shaped groove, and a threaded hole is opened on the rectangular block. The rectangular block is threadedly connected with a bolt 21 through the threaded hole. A spring is sleeved at the lower end of the bolt 21, and a cushion block is fixedly sleeved at the end of the spring, and the cushion block abuts against the rotating shaft. In this embodiment, the auxiliary roller 22 is located above the driving roller 23 and squeezes the wire harness. Initially, the extrusion force of the auxiliary roller 22 on the wire harness is set by adjusting the position of the bolt 21 in the threaded hole of the rectangular block. Rotate the bolt 21, and the bolt 21 moves up and down, changing the compression state of the spring. The spring transmits the pressure to the rotating shaft through the cushion block, thereby adjusting the position of the auxiliary roller 22 and the extrusion force on the wire harness. During the working process, the auxiliary roller 22 will rotate under the support of the rotating shaft as the wire harness moves, and together with the driving roller 23, make the wire harness keep in a taut state while being conveyed, preventing the wire harness from bending or loosening, and ensuring that the wire harness can smoothly carry out subsequent processing operations.

[0038] In Figure 2 and Figure 3 In it, a support plate 4 is arranged at the front end of the driving box 32. A wire inlet plate 42 is centrally installed on the upper surface of the support plate 4. In this embodiment, it is arranged at the front end of the driving box 32, providing an installation foundation and support for the pressing roller 41 and the wire inlet plate 42. Its structure ensures that the pressing roller 41 and the wire inlet plate 42 are in appropriate positions for operating on the wire harness. A gap is left between the pressing roller 41 rotatably connected to the front end of the upper surface of the support plate 4 and the upper surface of the support plate 4. When the wire harness passes through this gap, the pressing roller 41 exerts an extrusion effect on the wire harness, making the wire harness maintain a certain shape in the vertical direction, preventing the wire harness from jumping up or spreading during the conveying process. There are wire inlet gaps between the pressing blocks arranged at both ends of the upper surface of the wire inlet plate 42 and the wire inlet plate 42. The pressing blocks can fix the wire harness on the wire inlet plate 42, restricting the movement of the wire harness in the horizontal direction, ensuring that the wire harness remains stable in the wire inlet gap, and preventing the wire harness from shifting during the entry process.

[0039] In Figure 1In the [device], a slide table 5 is installed on one side of the drive box 32. A column 51 is assembled on the slide table 5. A latch 511 is fixedly clamped on the column 51. An end post is horizontally inserted into the latch 511. A probe 512 is installed on the end post. The probe 512 is used to detect the wire harness. The specific detection function may include detecting the position of the wire harness, the quality of the wire harness, or the quantity of the wire harness. The type of the probe is determined according to specific needs. The probe 512 is located directly above the wire inlet plate 42. The slide table 5 includes a table frame and a stud arranged in the table frame. One end of the stud penetrates the table frame and is connected to a motor. A limiting rod is connected in parallel on one side of the stud in the table frame. A slider is slidably connected to the stud and the limiting rod. The column 51 is fixedly inserted into the slider. In this embodiment: In the initial state, the probe 512 is in a certain initial position, directly above the wire inlet plate 42. When the horizontal position of the probe 512 needs to be adjusted, the motor is started. The motor drives the stud to rotate. Since the slider is slidably connected to the stud and the limiting rod, during the rotation of the stud, the slider slides linearly along the stud and the limiting rod according to the thread structure of the stud. As the slider slides, the column 51 fixedly inserted into the slider also moves accordingly, thereby driving the latch 511, the end post, and the probe 512 to move horizontally together. When the probe 512 reaches the required horizontal position, the motor operation is stopped, and the probe 512 remains in this position. When detecting the wire harness, the wire harness passes through the wire inlet plate 42, and the probe 512 located directly above it starts to work, detecting the wire harness according to its own detection function and obtaining information about the wire harness for subsequent operations or judgments.

[0040] The above content further elaborates on the present invention in combination with specific implementation manners. It cannot be determined that the specific implementation of the present invention is only limited to these descriptions. For those of ordinary skill in the technical field to which the present invention belongs, without departing from the concept of the present invention, several simple deductions or substitutions can still be made, which should all be regarded as falling within the protection scope determined by the claims submitted for the present invention.

Claims

1. A cutting device for automobile wire harness production, including a lining plate (1), the lining plate (1) is of an L-shaped structure, and assembly blocks (11) are symmetrically welded to the upper end of the lining plate (1). The assembly blocks (11) are of an angle steel shape, and it is characterized in that: At the upper end of the lining plate (1) and between a pair of fitting blocks (11), a guiding plate (17) is provided. A positioning strip (171) is provided on the lower surface of the guiding plate (17). The positioning strip (171) is hung below the guiding plate (17) by connecting pieces arranged at both ends. The end of the guiding plate (17) and the positioning strip (171) are both cut into arc surfaces, so that an opening-shaped structure is formed between the end of the guiding plate (17) and the positioning strip (171). A baffle (12) is fixedly connected between the fitting blocks (11). A through hole is opened at the lower end of the baffle (12) for a wire harness to pass through. A connecting frame (15) is arranged between the fitting blocks (11) and on the front surface of the baffle (12). A tool holder (131) is installed on the connecting frame (15). A buffer rod (13) penetrates through the tool holder (131). The end of the buffer rod (13) is connected with a cutting knife (132). The cutting knife (132) is located directly above the through hole of the baffle (12).

2. The cutting device for automobile wire harness production according to claim 1, characterized in that: A stop bar (14) is fixedly connected to the front surface of the fitting block (11) and at the position of the connecting frame (15). The stop bar (14) and the angle-iron-shaped fitting block (11) form a chute structure. The connecting frame (15) slides vertically in the chute structure. A cross bar is arranged at the lower end of the connecting frame (15). An eccentric wheel (161) is arranged between the cross bar and the connecting frame (15). A driver (16) is placed on the lining plate (1). The driving end of the driver (16) is connected with the eccentric wheel (161). When the driver (16) drives the eccentric wheel (161) to rotate, the eccentric wheel (161) abuts against the cross bar and its connecting frame (15), so that the connecting frame (15) slides up and down between the stop bar (14) and the fitting block (11).

3. The cutting device for automotive wire harness production according to claim 1, characterized in that: A driving box (32) is fixedly connected to the upper surface of the lining plate (1). A panel (31) is laid on the upper surface of the driving box (32). Waist-shaped holes (311) are symmetrically opened along the width direction on the panel (31). A restraining strip (312) is slidably connected to the waist-shaped holes (311). The upper surface of the panel (31) and the upper surface of the positioning strip (171) are on the same plane.

4. The cutting device for automobile wire harness production according to claim 3, characterized in that: A cross beam (3) is installed on the lower surface of the panel (31) and at the position of the waist-shaped holes (311). A chute is opened on the upper surface of the cross beam (3). Screws penetrate through the restraining strip (312), and the screw tails are placed in the chute of the cross beam (3).

5. The cutting device for automotive wire harness production according to claim 3, wherein: Side plates (2) are symmetrically arranged at the ends of the panel (31) on the driving box (32). A driving roller (23) is rotatably connected to the lower end of the side plate (2) by a bearing. One section of the driving roller (23) penetrates through the side plate (2) and is connected with a first pulley (231). A motor (33) is built in the driving box (32). A second pulley (331) is sleeved on the output end of the motor (33). The second pulley (331) and the first pulley (231) are connected by a belt.

6. The cutting device for automotive wire harness production according to claim 5, wherein: The upper end of the side plate (2) is centrally provided with a U-shaped groove. A rotating shaft is placed in the U-shaped groove, and an auxiliary roller (22) is fixedly sleeved outside the rotating shaft. The auxiliary roller (22) is located above the driving roller (23). The upper surface of the U-shaped groove is provided with a rectangular block. A threaded hole is provided in the rectangular block. The rectangular block is threadedly connected with a bolt (21) by means of the threaded hole. A spring is sleeved at the lower end of the bolt (21), and a cushion block is fixedly sleeved at the end of the spring, and the cushion block abuts against the rotating shaft.

7. The cutting device for automobile wire harness production according to claim 3, characterized in that: A support plate (4) is provided at the front end of the drive box (32). A pressure roller (41) is rotatably connected to the front end of the upper surface of the support plate (4). A gap is left between the pressure roller (41) and the upper surface of the support plate (4). A wire inlet plate (42) is centrally installed on the upper surface of the support plate (4). Pressure blocks are provided at both ends of the upper surface of the wire inlet plate (42), and a wire inlet gap is provided between the pressure blocks and the wire inlet plate (42).

8. The cutting device for automotive wire harness production according to claim 7, wherein: A sliding table (5) is installed on one side of the drive box (32). A column (51) is assembled on the sliding table (5). A lock catch (511) is fixedly clamped on the column (51). An end column is horizontally inserted into the lock catch (511). A probe (512) is installed on the short column. The probe (512) is located directly above the wire inlet plate (42).

9. The cutting device for automobile wire harness production according to claim 8, characterized in that: The sliding table (5) includes a table frame and a stud provided in the table frame. One end of the stud penetrates through the table frame and is connected with a motor. A limiting rod is connected in parallel on one side of the stud in the table frame. A slider is slidably connected to the stud and the limiting rod, and the column (51) is fixedly inserted into the slider.

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