CN210349437U

CN210349437U - Automatic cutting mechanism for flexible flat cable

Info

Publication number: CN210349437U
Application number: CN201921282712.1U
Authority: CN
Inventors: 朱建娜
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-09
Filing date: 2019-08-09
Publication date: 2020-04-17
Anticipated expiration: 2029-08-09

Abstract

The utility model relates to an automatic cutting mechanism of flexible flat cable, including the workstation, be provided with control panel in the upper surface left side of workstation, the upper surface of workstation has set gradually from right side to left side material feeding unit one, laser guider, material feeding unit two, hold in the palm material roller components one, hold in the palm material roller components two, material feeding unit three and blank device, material feeding unit one, laser guider, material feeding unit two, hold in the palm material roller components one, hold in the palm material roller components two, material feeding unit three and blank device all lie in the same straight line, the feed inlet position department of material feeding unit one is provided with the support material cylinder, the downside of workstation and the corresponding position department of laser guider are provided with the laser marking machine, the upper surface of workstation and the corresponding position department of holding in the palm material roller components one and holding in the palm material roller components two are provided with square opening; the utility model discloses simple structure has practiced thrift manufacturing cost, has improved work efficiency, has guaranteed the product yield, has good market using value.

Description

Automatic cutting mechanism for flexible flat cable

Technical Field

The utility model relates to a soft arranging wire cuts technical field of the mechanism, especially relates to an automatic mechanism that cuts of soft arranging wire.

Background

The flexible flat cable is widely applied to signal transmission and board connection of products such as plotters, scanners, copiers, audios, liquid crystal electrical appliances, fax machines, various video players and the like. Because the flexible flat cable has the advantages of flexibility, random bending and folding, thin thickness, small volume, simple connection, convenient disassembly, easy solution to electromagnetic shielding and the like, the flexible flat cable has irreplaceable effects in modern electrical equipment, and the produced flexible flat cable is applied to various different electrical appliances, and is usually required to be coded on the surface of the flexible flat cable firstly and then cut into different lengths and sizes, most of the existing factories also use workers to respectively code and cut, the efficiency is low, the product quality is uncontrollable, and the production cost is high.

Accordingly, the prior art is deficient and needs improvement.

SUMMERY OF THE UTILITY MODEL

In order to solve the defect that prior art exists, the utility model provides an automatic mechanism that cuts of soft arranging wire.

The utility model provides a technical scheme, which comprises a workbench, wherein a control panel is arranged on the left side of the upper surface of the workbench, a first feeding device, a laser guiding device, a second feeding device, a first supporting roller component, a second supporting roller component, a third feeding device and a cutting device are sequentially arranged on the upper surface of the workbench from right to left, the first feeding device, the laser guiding device, the second feeding device, the first supporting roller component, the second supporting roller component, the third feeding device and the cutting device are all positioned on the same straight line, a supporting roller is arranged at the position of a feeding hole of the first feeding device, a laser marking machine is arranged at the position of the lower side of the workbench corresponding to the laser guiding device, square openings are arranged at the positions of the upper surface of the workbench corresponding to the first supporting roller component and the second supporting roller component, the second supporting roller component and the first supporting roller component are respectively positioned at the left side and the right side of the square opening, the inside of workstation is provided with the press device who is used for tensioning soft arranging wire material area, press device's work end is located square open-ended below, blank device's feed inlet is connected with material feeding unit III's discharge gate.

Preferably, the blanking device comprises a blanking bottom plate, a blanking vertical plate, a material guide rail, a first cutter guide pillar, a second cutter guide pillar, an upper cutter holder, an upper cutter, a material pressing block, a bearing fixing plate, an eccentric wheel bearing plate, a motor fixing plate, a first servo motor and an eccentric wheel, the blanking bottom plate is fixed on the workbench, the blanking vertical plate is vertically fixed on the left side of the upper surface of the blanking bottom plate, the material guide rail is fixed at the upper end of the blanking vertical plate, the right end of the material guide rail is connected with a discharge port of a third feeding device, the first cutter guide pillar and the second cutter guide pillar are respectively arranged on the front side and the rear side of the blanking vertical plate, the lower ends of the first cutter guide pillar and the second cutter guide pillar both penetrate through the blanking bottom plate, the first guide sleeve and the second guide sleeve are respectively fixed at the contact positions of the blanking bottom plate, the first cutter guide pillar and the second cutter guide pillar, and the first guide sleeve and, the upper ends of the first cutter guide pillar and the second cutter guide pillar are fixedly connected with the front side and the rear side of the lower surface of the upper cutter holder respectively, an upper cutter is fixed at the position, corresponding to a discharge port of a material guide rail, of the lower surface of the upper cutter holder, a material pressing block is fixed at the position, corresponding to the material guide rail, of the lower surface of the upper cutter holder, the lower ends of the first cutter guide pillar and the second cutter guide pillar are fixedly connected with the front side and the rear side of the upper surface of a bearing fixing plate respectively, an eccentric wheel bearing plate is vertically fixed in the middle of the lower surface of the bearing fixing plate, the upper end of a motor fixing plate is fixedly connected with the lower surface of a material cutting bottom plate, a first servo motor is fixed on the right wall of the motor fixing plate, the working.

Preferably, the laser guide device comprises a left guide vertical plate, a right guide vertical plate, a rear guide vertical plate, a guide top plate, a first guide plate and a second guide plate, the left guide vertical plate, the right guide vertical plate, the front guide vertical plate and the guide top plate are fixedly connected with one another to form a semi-closed space, the first guide plate and the second guide plate are respectively fixed on the front side and the rear side of the upper surface of the guide top plate, a circular through hole is formed in the position, corresponding to the working end of the laser marking machine, of the upper surface of the workbench, a square through hole is formed in the position, corresponding to the circular through hole, of the lower surface of the guide top plate, a pushing cylinder is arranged on the front side of the circular through hole, and a light barrier is; the outer portion of the laser guide device is provided with a laser protection cover, and the left wall and the right wall of the laser protection cover are respectively provided with a bar-shaped through hole used for passing in and out of the flexible flat cable material belt at the corresponding positions of the feed inlet of the feeding device II and the discharge outlet of the feeding device I.

Preferably, the material supporting roller assembly comprises a material supporting fixing plate, a material supporting fixing shaft and a rubber roller, the material supporting fixing plate is fixed on the workbench, the material supporting fixing shaft is fixed on the front wall of the material supporting fixing plate, the rubber roller is rotatably connected with the material supporting fixing shaft, two material supporting check rings for preventing the flexible flat cable material belt from deviating are sleeved outside the rubber roller, and a gap is reserved between the two material supporting check rings; the second material supporting roller assembly and the second material supporting roller assembly have the same structure.

Preferably, the pressing device comprises a pressing rod fixing seat, a pressing rod supporting frame, a pressing rod, a pressing fixing shaft and a pressing roller, the pressing rod fixing seat and the pressing rod supporting frame are both fixed on the frame of the workbench, the left end of the pressing rod is fixedly connected with the pressing rod fixing seat, the middle of the pressing rod is fixedly connected with the pressing rod supporting frame, the right end of the pressing rod is fixedly connected with the pressing fixing shaft in a perpendicular mode, and the pressing roller is sleeved on the pressing fixing shaft in a sleeved mode.

Preferably, one feeding device comprises a feeding bottom plate, a feeding front bearing vertical plate, a feeding rear bearing vertical plate, a roller feeding assembly, a roller driving assembly and a roller lifting assembly, wherein the feeding bottom plate is fixed on the feeding bottom plate, the feeding front bearing vertical plate and the feeding rear bearing vertical plate are respectively fixed on the front side and the rear side of the upper surface of the feeding bottom plate, the roller feeding assembly is fixedly installed between the feeding front bearing vertical plate and the feeding rear bearing vertical plate, the roller driving assembly is fixedly installed on the rear side of the feeding rear bearing vertical plate, the working end of the roller driving assembly is fixedly connected with the input end of the roller feeding assembly, the roller lifting assembly is fixed on the feeding bottom plate, and the working end of the roller lifting assembly is fixedly connected with the fixed end of the driven roller of the roller feeding assembly.

Compared with the prior art, the utility model has the advantages that the material cutting device can cut the material rapidly, the cut is neat, and the product yield is ensured; by arranging the laser marking machine, the flexible flat cable can be continuously marked in the conveying process of the flexible flat cable, so that the manual use is reduced, and the time is saved; by arranging the plurality of feeding devices and the pressing devices, the flexible flat cable material belt can be effectively kept not to deviate; and continuously feeding; the utility model discloses simple structure has practiced thrift manufacturing cost, has improved work efficiency, has good market using value.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of a first viewing angle structure of the feeding device of the present invention;

fig. 3 is a left side view structural schematic diagram of the feeding device of the present invention;

FIG. 4 is a schematic structural view of the cutting device of the present invention;

as shown in the figure: 1. a work table; 2. a first feeding device; 3. a laser guide device; 4. a feeding device II; 5. a first material supporting roller assembly; 6. a material supporting roller assembly II; 7. a feeding device III; 8. a material cutting device; 21. a feeding bottom plate; 22. feeding a front bearing vertical plate; 23. a roller feeding assembly; 24. a roller drive assembly; 25. feeding a rear bearing vertical plate; 26. a roller lifting assembly; 231. a rear roller bearing seat; 232. a second knob fixing plate; 233. a second guide pillar lower fixing plate; 234. a driven roller; 235. a first limiting knob; 236. a front roller bearing seat; 237. a driving roller; 238. a first guide pillar lower fixing plate; 241. a second servo motor; 242. a motor mounting plate; 243. a first gear; 244. a second gear; 261. a top rod; 262. a lifting plate; 263. a lifting cylinder; 264. a first lifting guide post; 80. a blanking bottom plate; 81. a first cutter guide post; 82. an upper tool apron; 83. an upper cutter; 84. cutting a vertical plate; 85. a second cutter guide post; 86. a bearing fixing plate; 87. an eccentric wheel; 88. an eccentric wheel bearing plate; 89. a first servo motor.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described in more detail with reference to the accompanying drawings and specific embodiments. Preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The use of the terms "fixed," "integrally formed," "left," "right," and the like in this specification is for illustrative purposes only, and elements having similar structures are designated by the same reference numerals in the figures.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

The present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1 to 4, the laser marking device comprises a workbench 1, a control panel is arranged on the left side of the upper surface of the workbench 1, a first feeding device 2, a laser guiding device 3, a second feeding device 4, a first material supporting roller assembly 5, a second material supporting roller assembly 6, a third feeding device 7 and a cutting device 8 are sequentially arranged on the upper surface of the workbench 1 from right to left, the first feeding device 2, the laser guiding device 3, the second feeding device 4, the first material supporting roller assembly 5, the second material supporting roller assembly 6, the third feeding device 7 and the cutting device 8 are all located on the same straight line, a material supporting roller is arranged at the position of a feeding port of the first feeding device 2, a laser marking machine is arranged at the position of the lower side of the workbench 1 corresponding to the laser guiding device 3, and square openings are arranged at the positions of the upper surface of the workbench 1 corresponding to the first material supporting roller assembly 5 and the second material supporting roller assembly 6, the material supporting roller assembly II 6 and the material supporting roller assembly I5 are respectively positioned on the left side and the right side of the square opening, a material pressing device used for tensioning the flexible flat cable material belt is arranged inside the workbench 1, the working end of the material pressing device is positioned below the square opening, and the feeding hole of the material cutting device 8 is connected with the discharging hole of the material feeding device III 7.

Furthermore, the laser marking machine can adopt the fiber laser marking machine (model: LS-FL20LS-FL30 LS-FL50 LS-FL 60) of the prior art, and the utility model is not repeated.

Preferably, the blanking device 8 comprises a blanking bottom plate 80, a blanking vertical plate 84, a material guiding rail, a first cutter guiding column 81, a second cutter guiding column 85, an upper tool apron 82, an upper cutter 83, a material pressing block, a bearing fixing plate 86, an eccentric wheel bearing plate 88, a motor fixing plate, a first servo motor 89 and an eccentric wheel 81, the blanking bottom plate 80 is fixed on the workbench 1, the blanking vertical plate 84 is vertically fixed on the left side of the upper surface of the blanking bottom plate 80, the material guiding rail is fixed at the upper end of the blanking vertical plate 84, the right end of the material guiding rail is connected with a discharge port of the third feeding device 7, the first cutter guiding column 81 and the second cutter guiding column 85 are respectively arranged on the front side and the rear side of the blanking vertical plate 84, the lower ends of the first cutter guiding column 81 and the second cutter guiding column 85 both penetrate through the blanking bottom plate 80, a first cutter guiding sleeve and a second cutter guiding sleeve are respectively fixed at the contact positions of the blanking bottom plate 80, the first guide sleeve and the second guide sleeve are respectively connected with a first cutter guide post 81 and a second cutter guide post 85 in a sliding manner, the upper ends of the first cutter guide post 81 and the second cutter guide post 85 are respectively fixedly connected with the front side and the rear side of the lower surface of an upper cutter holder 82, an upper cutter 83 is fixed at the position, corresponding to the discharge hole of a material guide rail, of the lower surface of the upper cutter holder 82, a material pressing block is fixed at the position, corresponding to the material guide rail, of the lower surface of the upper cutter holder 82, the lower ends of the first cutter guide post 81 and the second cutter guide post 85 are respectively fixedly connected with the front side and the rear side of the upper surface of a bearing fixing plate 86, an eccentric wheel bearing plate 88 is vertically fixed at the middle part of the lower surface of the bearing fixing plate 86, the upper end of the motor fixing plate is fixedly connected with the lower surface of a material cutting bottom plate 80, a, the eccentric 81 is fixedly connected to an eccentric bearing plate 88.

Preferably, the laser guide device 3 comprises a left guide vertical plate, a right guide vertical plate, a rear guide vertical plate, a top guide plate, a first material guide plate and a second material guide plate, the left guide vertical plate, the right guide vertical plate, the front guide vertical plate and the top guide plate are fixedly connected with each other to form a semi-closed space, the first material guide plate and the second material guide plate are respectively fixed on the front side and the rear side of the upper surface of the top guide plate, a circular through hole is formed in the position, corresponding to the working end of the laser marking machine, of the upper surface of the workbench 1, a square through hole is formed in the position, corresponding to the circular through hole, of the lower surface of the top guide plate, a pushing cylinder is arranged on the front side of the circular through hole, and; the outside of laser guider 3 sets up a laser safety cover, the corresponding position punishment of the feed inlet of two walls and material feeding unit two 4 and material feeding unit 2 about the laser safety cover has seted up a bar through-hole that is used for business turn over soft arranging wire material area respectively.

Preferably, the first material supporting roller assembly 5 comprises a material supporting fixing plate, a material supporting fixing shaft and a rubber roller, the material supporting fixing plate is fixed on the workbench 1, the material supporting fixing shaft is fixed on the front wall of the material supporting fixing plate, the rubber roller is rotatably connected with the material supporting fixing shaft, two material supporting check rings for preventing the deviation of the flexible flat cable material belt are sleeved outside the rubber roller, and a gap is reserved between the two material supporting check rings; the material supporting roller assembly II 6 has the same structure as the material supporting roller assembly I5.

Preferably, the pressing device comprises a pressing rod fixing seat, a pressing rod supporting frame, a pressing rod, a pressing fixing shaft and a pressing roller, the pressing rod fixing seat and the pressing rod supporting frame are both fixed on the frame of the workbench 1, the left end of the pressing rod is fixedly connected with the pressing rod fixing seat, the middle of the pressing rod is fixedly connected with the pressing rod supporting frame, the right end of the pressing rod is fixedly connected with the pressing fixing shaft in a perpendicular mode, and the pressing roller is sleeved on the pressing fixing shaft in a sleeved mode.

Preferably, the feeding device 2 comprises a feeding bottom plate 21, a feeding front bearing vertical plate 22, a feeding rear bearing vertical plate 25, a roller feeding assembly 23, a roller driving assembly 24 and a roller lifting assembly 26, the feeding bottom plate 21 is fixed on the feeding bottom plate 21, the feeding front bearing vertical plate 22 and the feeding rear bearing vertical plate 25 are respectively fixed on the front side and the rear side of the upper surface of the feeding bottom plate 21, the roller feeding assembly 23 is fixedly arranged between the feeding front bearing vertical plate 22 and the feeding rear bearing vertical plate 25, the roller driving assembly 24 is fixedly arranged at the rear side of the feeding rear bearing vertical plate 25, the working end of the roller driving component 24 is fixedly connected with the input end of the roller feeding component 23, the roller lifting component 26 is fixed on the feeding bottom plate 21, and the working end of the roller lifting assembly 26 is fixedly connected with the fixed end of the driven roller 234 of the roller feeding assembly 23.

Further, the roller feeding assembly 23 includes a driving roller 237, a driven roller 234, a first guide pillar lower fixing plate 238, a second guide pillar lower fixing plate 233, a front roller bearing seat 236, a rear roller bearing seat 231, a first knob fixing plate, a second knob fixing plate 232, a first limit knob 235 and a second limit knob, wherein front and rear ends of the driving roller 237 are respectively and fixedly connected with the front feeding bearing vertical plate 22 and the rear feeding bearing vertical plate 25, the first guide pillar lower fixing plate 238 and the second guide pillar lower fixing plate 233 are respectively and fixedly fixed at middle portions of inner walls of the front feeding bearing vertical plate 22 and the rear feeding bearing vertical plate 25, two feeding guide pillars are respectively and fixedly fixed at left and right sides of upper surfaces of the first guide pillar lower fixing plate 238 and the second guide pillar lower fixing plate 233, upper ends of two feeding guide pillars of the first guide pillar lower fixing plate 238 both penetrate through the front roller bearing seat 236 and are fixedly connected, the front side of the lower surface of the first knob fixing plate is fixedly connected with the upper end of the front feeding bearing vertical plate 22, the upper ends of two feeding guide columns of the second guide column lower fixing plate 233 penetrate through the rear roller bearing seat 231 and are fixedly connected with the front side of the lower surface of the second knob fixing plate 232, the rear side of the lower surface of the second knob fixing plate 232 is fixedly connected with the upper end of the rear feeding bearing vertical plate 25, the front end and the rear end of the driven roller 234 are fixedly connected with the front roller bearing seat 236 and the rear roller bearing seat 231 respectively, and the first limit knob 235 and the second limit knob are in threaded connection with the first knob fixing plate and the second knob fixing plate 232 respectively.

Further, the roller driving assembly 24 includes a first gear 243, a second gear 244, a motor mounting plate 242 and a second servo motor 241, the rear end of the driving roller 237 passes through the feeding rear bearing vertical plate 25 to be fixedly connected with the first gear 243, a vertical strip-shaped opening is formed at a position corresponding to the rear end of the feeding rear bearing vertical plate 25 and the driven roller 234, the rear end of the driven roller 234 passes through the vertical strip-shaped opening to be fixedly connected with the second gear 244, the first gear 243 is engaged with the second gear 244, the motor mounting plate 242 is fixed at the rear side of the feeding rear bearing vertical plate 25, the second servo motor 241 is fixed at the rear wall of the motor mounting plate 242, and the working end of the second servo motor 241 passes through the motor mounting plate 242 to be connected with the axle of the driving roller 237 through a coupling.

Further, the roller lifting assembly 26 includes a lifting cylinder 263, a lifting plate 262, a first lifting guide post 264 and a second lifting guide post, the lifting cylinder 263 is fixed on the feeding base plate 21, the middle portion of the lower surface of the lifting plate 262 is fixedly connected with the working end of the lifting cylinder 263, the first lifting guide post 264 and the second lifting guide post are respectively fixed on the front side and the rear side of the lifting cylinder 263, the upper ends of the first lifting guide post 264 and the second lifting guide post pass through the lifting plate 262, a first guide sleeve and a second guide sleeve are respectively fixed at the contact positions of the lifting plate 262 with the first lifting guide post 264 and the second lifting guide post, the first guide sleeve and the second guide sleeve are respectively slidably connected with the first lifting guide post 264 and the second lifting guide post, two ejector rods 261 are respectively fixed on the front side and the rear side of the upper surface of the lifting plate 262, and two guide rods on the front side and the rear side of the, The second guide post lower fixing plate 233 is in contact with the lower surfaces of the front roller bearing seat 236 and the rear roller bearing seat 231.

The working principle is as follows: when the device starts to work, firstly, the lifting cylinder 263 works to drive the driven roller 234 to move up and down and adjust to a proper position, then the second servo motor 241 drives the driving roller 237 to rotate to drive the flexible flat cable to move left, pass through the strip-shaped through hole on the right wall of the laser protection cover and pass through the guide top plate, at the moment, the laser marking machine marks the passing flexible flat cable, then the flexible flat cable passes through the strip-shaped through hole on the left wall of the laser protection cover and sequentially passes through the feeding device II 4, the material supporting roller assembly I5, the material supporting roller assembly II 6, the material pressing device and the feeding device III 7, then the flexible flat cable moves to the position of the material cutting device 8, passes through the material guide rail, then the first servo motor 89 drives the eccentric wheel 81 to rotate to drive the cutter guide post I81, the cutter guide post II 85 and the upper cutter 83 to move downwards at the same time, at the material pressing block, tightly pressing the flexible flat cable on a material cutting vertical plate 84, and finally cutting the flexible flat cable by an upper cutter 83; this completes the job.

Has the advantages that: the utility model has the advantages that the material cutting device is arranged, the material can be cut rapidly, the cut is neat, and the product yield is ensured; by arranging the laser marking machine, the flexible flat cable can be continuously marked in the conveying process of the flexible flat cable, so that the manual use is reduced, and the time is saved; by arranging the plurality of feeding devices and the pressing devices, the flexible flat cable material belt can be effectively kept not to deviate; and continuously feeding; the utility model discloses simple structure has practiced thrift manufacturing cost, has improved work efficiency, has good market using value.

It should be noted that the above technical features are continuously combined with each other to form various embodiments which are not listed above, and all the embodiments are regarded as the scope of the present invention described in the specification; moreover, modifications and variations will occur to those skilled in the art in light of the foregoing description, and it is intended to cover all such modifications and variations as fall within the true spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides an automatic mechanism that cuts of soft arranging wire, includes the workstation, is provided with control panel, its characterized in that on the left of the upper surface of workstation: the upper surface of the workbench is sequentially provided with a first feeding device, a laser guiding device, a second feeding device, a first material supporting roller assembly, a second material supporting roller assembly, a third feeding device and a cutting device from right to left, the first feeding device, the laser guiding device, the second feeding device, the first material supporting roller assembly, the second material supporting roller assembly, the third feeding device and the cutting device are all positioned on the same straight line, a material supporting roller is arranged at the position of a feed inlet of the first feeding device, a laser marking machine is arranged at the position of the lower side of the workbench corresponding to the laser guiding device, square openings are formed in the upper surface of the workbench corresponding to the first material supporting roller assembly and the second material supporting roller assembly, the second material supporting roller assembly and the first material supporting roller assembly are respectively positioned on the left side and the right side of the square opening, and a material belt pressing device for tensioning soft flat cables is arranged inside the workbench, the working end of the material pressing device is located below the square opening, and the feed inlet of the material cutting device is connected with the discharge outlet of the feeding device III.

2. The automatic cutting mechanism for flexible flat cables as claimed in claim 1, wherein: the cutting device comprises a cutting bottom plate, a cutting vertical plate, a guide rail, a first cutter guide pillar, a second cutter guide pillar, an upper cutter holder, an upper cutter, a pressing block, a bearing fixing plate, an eccentric wheel bearing plate, a motor fixing plate, a first servo motor and an eccentric wheel, the cutting bottom plate is fixed on a workbench, the cutting vertical plate is vertically fixed on the left side of the upper surface of the cutting bottom plate, the guide rail is fixed at the upper end of the cutting vertical plate, the right end of the guide rail is connected with a discharge port of a third feeding device, the first cutter guide pillar and the second cutter guide pillar are respectively arranged on the front side and the rear side of the cutting vertical plate, the lower ends of the first cutter guide pillar and the second cutter guide pillar both penetrate through the cutting bottom plate, a first guide sleeve and a second guide sleeve are respectively fixed at the contact positions of the cutting bottom plate, the first cutter guide pillar and the second cutter guide pillar, and are respectively connected with the first cutter guide, the upper ends of the first cutter guide pillar and the second cutter guide pillar are fixedly connected with the front side and the rear side of the lower surface of the upper cutter holder respectively, an upper cutter is fixed at the position, corresponding to a discharge port of a material guide rail, of the lower surface of the upper cutter holder, a material pressing block is fixed at the position, corresponding to the material guide rail, of the lower surface of the upper cutter holder, the lower ends of the first cutter guide pillar and the second cutter guide pillar are fixedly connected with the front side and the rear side of the upper surface of a bearing fixing plate respectively, an eccentric wheel bearing plate is vertically fixed in the middle of the lower surface of the bearing fixing plate, the upper end of a motor fixing plate is fixedly connected with the lower surface of a material cutting bottom plate, a first servo motor is fixed on the right wall of the motor fixing plate, the working.

3. The automatic cutting mechanism for flexible flat cables as claimed in claim 1, wherein: the laser guide device comprises a left guide vertical plate, a right guide vertical plate, a rear guide vertical plate, a top guide plate, a first guide plate and a second guide plate, wherein the left guide vertical plate, the right guide vertical plate, the front guide vertical plate and the top guide plate are fixedly connected with one another to form a semi-closed space; the outer portion of the laser guide device is provided with a laser protection cover, and the left wall and the right wall of the laser protection cover are respectively provided with a bar-shaped through hole used for passing in and out of the flexible flat cable material belt at the corresponding positions of the feed inlet of the feeding device II and the discharge outlet of the feeding device I.

4. The automatic cutting mechanism for flexible flat cables as claimed in claim 1, wherein: the first material supporting roller assembly comprises a material supporting fixing plate, a material supporting fixing shaft and a rubber roller, the material supporting fixing plate is fixed on the workbench, the material supporting fixing shaft is fixed on the front wall of the material supporting fixing plate, the rubber roller is rotatably connected with the material supporting fixing shaft, two material supporting check rings for preventing the deviation of the flexible flat cable material belt are sleeved outside the rubber roller, and a gap is reserved between the two material supporting check rings; the second material supporting roller assembly and the second material supporting roller assembly have the same structure.

5. The automatic cutting mechanism for flexible flat cables as claimed in claim 1, wherein: the material pressing device comprises a material pressing rod fixing seat, a material pressing rod supporting frame, a material pressing rod, a material pressing fixing shaft and a material pressing roller, wherein the material pressing rod fixing seat and the material pressing rod supporting frame are fixed on a rack of the workbench, the left end of the material pressing rod is fixedly connected with the material pressing rod fixing seat, the middle of the material pressing rod is fixedly connected with the material pressing rod supporting frame, the right end of the material pressing rod is fixedly connected with the material pressing fixing shaft in a perpendicular mode, and the material pressing roller is sleeved on the material pressing fixing shaft in an sleeved mode.

6. The automatic cutting mechanism for flexible flat cables as claimed in claim 1, wherein: the first feeding device comprises a feeding bottom plate, a feeding front bearing vertical plate, a feeding rear bearing vertical plate, a roller feeding assembly, a roller driving assembly and a roller lifting assembly, the feeding bottom plate is fixed on the feeding bottom plate, the feeding front bearing vertical plate and the feeding rear bearing vertical plate are respectively fixed on the front side and the rear side of the upper surface of the feeding bottom plate, the roller feeding assembly is fixedly arranged between the feeding front bearing vertical plate and the feeding rear bearing vertical plate, the roller driving assembly is fixedly arranged on the rear side of the feeding rear bearing vertical plate, the working end of the roller driving assembly is fixedly connected with the input end of the roller feeding assembly, the roller lifting assembly is fixed on the feeding bottom plate, and the working end of the roller lifting assembly is fixedly connected with the fixed end of a driven roller of the roller feeding assembly.