CN215279398U

CN215279398U - High-speed cutting device

Info

Publication number: CN215279398U
Application number: CN202121615932.9U
Authority: CN
Inventors: 曾黎亮; 游金; 曹顺楠; 李攀攀; 阳如坤
Original assignee: Shenzhen Geesun Intelligent Technology Co Ltd
Current assignee: Shenzhen Geesun Intelligent Technology Co Ltd
Priority date: 2021-07-15
Filing date: 2021-07-15
Publication date: 2021-12-24
Anticipated expiration: 2031-07-15

Abstract

An embodiment of the utility model provides a high-speed cutting device relates to the lithium cell and makes technical field, and this high-speed cutting device includes that mounting bracket, feeding mechanism, straight line chase and cut mechanism, pole piece deflector and actuating mechanism with higher speed, and actuating mechanism sets up the discharge side at the pole piece deflector with higher speed for drive with higher speed is taken to the material. The utility model discloses a chasing after the straight line and cutting the mechanism rear and setting up actuating mechanism with higher speed, realize the acceleration drive to the material area to make the pan feeding speed in material area reach the default, this kind of mode of setting up makes the straight line chase and cuts the mechanism and realize that the straight line chases after speed and acceleration when cutting just need not be too big, accomplishes the straight line with lower speed and chases after cutting, can improve the precision and the efficiency of film-making, and the stability of mechanism has also obtained better promotion simultaneously.

Description

High-speed cutting device

Technical Field

The utility model relates to a lithium cell makes technical field, particularly, relates to a high-speed cutting device.

Background

The laminated battery core of the lithium power battery is formed by alternately stacking a positive electrode sheet, a negative electrode sheet and a diaphragm, and is currently divided into a Z-shaped laminated sheet, a bag-making laminated sheet and a thermal composite laminated sheet; the 'thermal composite' lamination is a novel mode for forming the battery cell, and in the process of producing the battery cell, the pole piece is low in cutting efficiency, low in cutting precision, easy to block materials due to long-distance roller conveying driving and the like, and is not widely popularized in the lithium battery industry all the time; the two lamination processes of the Z-shaped lamination and the bag-making lamination have obvious defects that the efficiency is low, the rejection rate of short circuit detection is high, the electric core is easy to misplace in the transferring process and the like when the electric core is manufactured.

At present, on the lithium cell production line, need the material area to stop or the deceleration when cutting to guarantee the cutting precision, then reduced the film-making efficiency undoubtedly. Or, the material belt is cut by adopting a linear cutting mode, and at this time, the movement speed and the acceleration of the linear motor are required to be large so as to ensure the cutting function.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a high-speed cutting device, its precision and efficiency that can improve the film-making, the stability of mechanism has also obtained better promotion simultaneously.

The embodiment of the utility model discloses a can realize like this:

in a first aspect, the utility model provides a high-speed cutting device, chase after including mounting bracket, feeding mechanism, straight line and cut mechanism, pole piece deflector and acceleration driving mechanism, feeding mechanism the straight line chase after cut the mechanism with acceleration driving mechanism all sets up on the mounting bracket, feeding mechanism is used for carrying the material area, the straight line chase after cut the mechanism setting and be in the feeding mechanism top, with feeding mechanism connects, it is right to be used for the material area carries out the straight line and chases after cutting, the pole piece deflector sets up feeding mechanism's discharge side is used for to cutting the back the material area leads, acceleration driving mechanism sets up the discharge side of pole piece deflector, be used for right the material area carries out the acceleration drive.

In optional embodiment, the actuating mechanism with higher speed is including the mount pad with higher speed, first roller set with higher speed and the roller set with second with higher speed, the mount pad setting with higher speed is in on the mounting bracket, first roller set with higher speed with the second roller set interval sets up with higher speed on the mount pad, just first roller set with higher speed is formed with and is used for the centre gripping the first centre gripping passageway of material area, the roller set with higher speed is formed with and is used for the centre gripping the second centre gripping passageway of material area, the second centre gripping passageway is located the discharge side of first centre gripping passageway, first roller set with higher speed with the second roller set is used for driving material area accelerated motion, so that by the second centre gripping passageway sees the material area send out reach preset speed.

In an alternative embodiment, the first acceleration roller group includes a first acceleration driving roller and a first driven roller, which are rotatably provided on the acceleration mount and are clearance-fitted to form the first nip passage; the second acceleration roller set comprises a second acceleration driving roller and a second driven roller, the second acceleration driving roller and the second driven roller are rotatably arranged on the acceleration mounting seat and are in clearance fit with each other to form the second clamping channel, and the surfaces of the first driven roller and the second driven roller are coated with adhesive materials to pass through the first driven roller and the second driven roller to adsorb impurities on the surface of the material belt.

In an alternative embodiment, a first dust-sticking roller and a second dust-sticking roller are further rotatably arranged on the accelerating mounting seat, and the first dust-sticking roller is in rolling contact with the first driven roller so as to adhere impurities on the surface of the first driven roller; the second dust-sticking roller is in rolling contact with the second driven roller to adhere impurities on the surface of the second driven roller.

In an optional implementation manner, a dust suction assembly is further arranged on the acceleration mounting base, and the dust suction assembly is arranged between the first acceleration roller set and the second acceleration roller set and used for sucking the impurities on the material belt.

In an optional implementation mode, the high-speed cutting device further comprises a deviation rectifying mechanism, wherein the deviation rectifying mechanism is arranged on the mounting frame and located above the acceleration driving mechanism, and is used for rectifying the deviation of the material belt.

In an optional embodiment, the feeding mechanism comprises a feeding mounting seat and a feeding driving roller group, the feeding mounting seat is arranged on the mounting frame, the feeding driving roller group comprises a driving feeding roller and a driven feeding roller, and the driving feeding roller and the driven feeding roller are rotatably arranged on the feeding mounting seat and form a feeding clamping channel for the material belt to pass through.

In optional embodiment, the sharp mechanism of chasing after includes sharp drive assembly, die-cut drive assembly and cutter unit spare, sharp drive assembly sets up on the mounting bracket, and be located the top of pay-off mount pad, die-cut drive assembly with sharp drive assembly connects, is used for do straight reciprocating motion under the drive of sharp drive assembly, cutter unit spare with die-cut drive assembly connects, and with the pay-off mount pad is connected, is used for cut under die-cut drive assembly's the drive the material area.

In an optional embodiment, a dust suction box is further arranged on the discharging side of the feeding mounting seat and used for sucking away the cut scraps.

In an alternative embodiment, the distance between the cutter assembly and the active feed roll is less than or equal to 70 mm.

The utility model discloses beneficial effect includes, for example:

the embodiment of the utility model provides a high-speed cutting device, the straight line is chased after and is cut the mechanism setting in the feeding mechanism top, is connected with feeding mechanism for carry out the straight line to the material area and chase after surely, the pole piece deflector sets up the discharge side at feeding mechanism, is used for leading to the material area after cutting, and actuating mechanism sets up the discharge side at the pole piece deflector with higher speed, is used for driving with higher speed to the material area. Compared with the prior art, the utility model discloses a chasing after the straight line and cutting the mechanism rear and setting up actuating mechanism with higher speed, realize the acceleration drive to the material area to the pan feeding speed that makes the material area reaches the default, this kind of mode that sets up makes the straight line chase after and cuts the mechanism and realize that the straight line chases after speed and acceleration when cutting just need not be too big, pursue with lower speed completion straight line and cut, can improve the precision and the efficiency of film-making, the stability of mechanism has also obtained better promotion simultaneously.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural view of a high-speed cutting device according to an embodiment of the present invention;

FIG. 2 is a schematic view of a connection structure between the deviation correcting mechanism and the acceleration driving mechanism in FIG. 1;

FIG. 3 is a schematic structural view of the acceleration driving mechanism of FIG. 1;

FIG. 4 is a schematic view of a connection structure between the feeding mechanism and the linear cutting mechanism in FIG. 1;

fig. 5 is a schematic structural view of the feeding mechanism in fig. 1.

Icon: 100-high speed cutting device; 110-a mounting frame; 120-a feeding mechanism; 121-a feeding mounting seat; 123-feeding driving roller group; 1231-active feed roll; 1233-driven feed roll; 125-adjusting the cylinder; 130-linear chasing and cutting mechanism; 131-a linear drive assembly; 133-a punch drive assembly; 135-a cutter assembly; 137-dust collection box; 140-pole piece guide plate; 150-an acceleration drive mechanism; 151-acceleration mount; 153-a first set of acceleration rollers; 1531 — a first acceleration-driven roller; 1533-first driven roller; 155-a second set of acceleration rollers; 1551-second accelerating driving roller; 1553-second driven roller; 157-a first dusting roller; 158-a second dusting roller; 159-a dust extraction assembly; 160-deviation correcting mechanism.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that, if the terms "upper", "lower", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the products of the present invention are used, the description is only for convenience of description and simplification, but the indication or suggestion that the indicated device or element must have a specific position, be constructed and operated in a specific orientation, and thus, should not be interpreted as a limitation of the present invention.

Furthermore, the appearances of the terms "first," "second," and the like, if any, are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

As disclosed in the background, the conventional sheet-making process usually requires a cutter to cut the material tape (sheet) and then complete the feeding operation. The existing cutting equipment has the following defects:

1. when directional cutting is employed, the tape needs to be stopped or slowed down to ensure cutting accuracy, which undoubtedly reduces sheeting efficiency.

2. When adopting the straight line to follow closely the tangent mode, the velocity of motion and the acceleration that need linear electric motor are all great to expect that cutter and material area are with the speed in order to accomplish and cut, and because current linear electric motor speed and material area speed are difficult to match accurately, lead to cutting accuracy poor, and the acceleration of motion is big, also is difficult to guarantee the stability of mechanism.

3. Because certain dust waste material can be produced in the cutting process, part of dust can adhere to the surface of the material belt, the subsequent product quality is influenced, and the short circuit rate of the composite sheet is higher.

In order to solve the problem, the utility model provides a novel high-speed cutting device, its precision and the efficiency that can improve the film-making, the stability of mechanism has also obtained better promotion simultaneously. It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.

First embodiment

Referring to fig. 1, the present embodiment provides a high-speed cutting device 100, which improves the precision and efficiency of the sheet production by accelerating after the straight-line chase cutting, and simultaneously improves the stability of the mechanism.

The high-speed cutting device 100 provided by this embodiment includes an installation frame 110, a feeding mechanism 120, a linear chasing and cutting mechanism 130, a pole piece guide plate 140, an acceleration driving mechanism 150 and a deviation rectifying mechanism 160, the feeding mechanism 120, the linear chasing and cutting mechanism 130 and the acceleration driving mechanism 150 are all disposed on the installation frame 110, the feeding mechanism 120 is used for conveying a material strip, the linear chasing and cutting mechanism 130 is disposed above the feeding mechanism 120, the linear chasing and cutting mechanism 130 is connected with the feeding mechanism 120 and is used for performing linear chasing and cutting on the material strip, the pole piece guide plate 140 is disposed on a discharge side of the feeding mechanism 120 and is used for guiding the cut material strip, and the acceleration driving mechanism 150 is disposed on a discharge side of the pole piece guide plate 140 and is used for accelerating and driving the material strip. The deviation correcting mechanism 160 is disposed on the mounting frame 110 and above the acceleration driving mechanism 150, and is used for correcting the deviation of the material belt.

In this embodiment, the feeding mechanism 120 is used to complete feeding of the material belt, and a feeding roller is further disposed on the discharging side of the acceleration driving mechanism 150 to facilitate subsequent feeding. It should be noted that the material belt herein refers to a pole piece, which needs to be compounded with a diaphragm before feeding, and the specific compound structure thereof can refer to the existing cutting and feeding device.

In this embodiment, the pole piece guide plate 140 is disposed between the feeding mechanism 120 and the acceleration driving mechanism 150, and is used for guiding the cut material tape, so as to prevent the material tape from deviating during the conveying process. Simultaneously this embodiment is through setting up acceleration drive mechanism 150 behind sharp chasing and cutting mechanism 130, realizes the acceleration drive to the material area to make the pan feeding speed in material area reach the default, this kind of mode of setting up makes sharp chasing and cutting mechanism 130 realize that the straight line chases and cuts speed and acceleration when just need not too big, pursues and cuts with lower speed completion straight line, can improve the precision and the efficiency of film-making, the stability of mechanism has also obtained better promotion simultaneously.

Referring to fig. 2 and 3, in the present embodiment, the acceleration driving mechanism 150 includes an acceleration mounting base 151, a first acceleration roller set 153 and a second acceleration roller set 155, the acceleration mounting base 151 is disposed on the mounting frame 110, the first acceleration roller set 153 and the second acceleration roller set 155 are disposed on the acceleration mounting base 151 at intervals, a first clamping channel for clamping the material tape is formed on the first acceleration roller set 153, a second clamping channel for clamping the material tape is formed on the second acceleration roller set 155, the second clamping channel is located on a discharge side of the first clamping channel, and the first acceleration roller set 153 and the second acceleration roller set 155 are configured to drive the material tape to move in an acceleration manner so that the material tape sent out by the second clamping channel reaches a preset speed.

It should be noted that in this embodiment, the installation height of the acceleration mounting base 151 is the same as that of the feeding mechanism 120, so that the pole piece guide plate 140 can horizontally guide the material belt, the first acceleration roller set 153 is close to the feeding side, the second acceleration roller set 155 is close to the discharging side, and the first acceleration roller set 153 and the second acceleration roller set 155 jointly realize acceleration of the material belt, so that the material belt reaches a predetermined speed, and the speed of the pole piece is matched with that of the diaphragm.

The first acceleration roller group 153 includes a first acceleration driving roller 1531 and a first driven roller 1533, and the first acceleration driving roller 1531 and the first driven roller 1533 are rotatably provided on the acceleration mount 151 and are clearance-fitted to form a first nip passage; the second acceleration roller set 155 includes a second acceleration driving roller 1551 and a second driven roller 1553, the second acceleration driving roller 1551 and the second driven roller 1553 are rotatably disposed on the acceleration mount 151 and are clearance-fitted to form a second nip passage, and surfaces of the first driven roller 1533 and the second driven roller 1553 are each coated with an adhesive material to adsorb foreign substances on the surface of the tape by the first driven roller 1533 and the second driven roller 1553. Specifically, the first driven roller 1533 and the second driven roller 1553 are coated with materials such as teflon, and the materials can be directly adsorbed by impurities from the surface of the contacted material belt, so that the material belt is cleaned, the short-circuit rate of a subsequently formed composite sheet can be effectively reduced, and the overall yield of a product is improved.

In this embodiment, in order to guarantee that the upper and lower side of material area all can accomplish the absorption of dust impurity, second driven roller 1553 and first driven roller 1533 are located the upper and lower side of material area respectively, specifically, first accelerated driving roller 1531 and second driven roller 1553 are located the upside of material area, second accelerated driving roller 1551 and first driven roller 1533 are located the downside of material area, first accelerated driving roller 1531 and second accelerated driving roller 1551 dislocation set, first driven roller 1533 and second driven roller 1553 dislocation set can realize the impurity adhesion to the upper and lower side of material area.

In this embodiment, the acceleration mounting base 151 is further rotatably provided with a first dust-sticking roller 157 and a second dust-sticking roller 158, and the first dust-sticking roller 157 is in rolling contact with the first driven roller 1533 to adhere impurities on the surface of the first driven roller 1533; the second dust-binding roller 158 is in rolling contact with the second driven roller 1553 to adhere impurities on the surface of the second driven roller 1553. Specifically, in order to further improve the adhesion effect, in the present embodiment, by additionally providing the first dust-binding roller 157 and the second dust-binding roller 158, the impurities adsorbed on the first driven roller 1533 and the second driven roller 1553 can be transferred, so that the first driven roller 1533 and the second driven roller 1553 can continuously adhere to the dust impurities on the material tape.

It should be noted that, here, in order to ensure that the first dust-binding roller 157 can transfer the foreign matter from the first driven roller 1533 and the second dust-binding roller 158 can transfer the foreign matter from the second driven roller 1553, the adhesion of the first dust-binding roller 157 should be greater than that of the surface of the first driven roller 1533 and the adhesion of the second dust-binding roller 158 should be greater than that of the surface of the second driven roller 1553.

In this embodiment, the acceleration mounting base 151 is further provided with a dust suction assembly 159, and the dust suction assembly 159 is disposed between the first acceleration roller set 153 and the second acceleration roller set 155 and is used for sucking the impurities on the material belt. Specifically, dust absorption subassembly 159 includes adsorbs box and lower adsorption box, and upward adsorb the box and adsorb the box down and all be connected with outside negative pressure pipeline, realize adsorbing, upward adsorb the upside that the box is located the material area, can adsorb the upside surface in material area, and lower adsorption box is located the downside in material area, can adsorb the downside surface in material area, further cleans the dust impurity on material area surface.

In this embodiment, the deviation correcting mechanism 160 is disposed above the acceleration mounting base 151, and monitors the material belt through a deviation correcting sensor, the deviation correcting sensor detects the size of the material feeding position of the pole piece, and feeds back the detection signal to the control module of the deviation correcting mechanism 160, wherein the deviation correcting mechanism 160 includes a vertical deviation correcting component and a rotation deviation correcting component, the vertical deviation correcting component can adjust the position of the pole piece perpendicular to the mounting frame 110, the rotation deviation correcting component can adjust the angle of the pole piece, and meanwhile, the first acceleration roller set 153 and the second acceleration roller set 155 can correct the position of the pole piece in the belt running direction, and after the positions of multiple directions are adjusted through the deviation correcting mechanism 160, the acceleration is rapidly performed on the premise of ensuring the accuracy of the material feeding position, so that the speed of the pole piece is matched with the speed of the diaphragm in the belt running.

Referring to fig. 4 and 5, the feeding mechanism 120 includes a feeding mounting seat 121 and a feeding driving roller set 123, the feeding mounting seat 121 is disposed on the mounting frame 110, the feeding driving roller set 123 includes a driving feeding roller 1231 and a driven feeding roller 1233, the driving feeding roller 1231 and the driven feeding roller 1233 are rotatably disposed on the feeding mounting seat 121, and form a feeding clamping channel for the material belt to pass through. Specifically, the feeding clamping channel is flush with the first clamping channel and the second clamping channel at the rear, so that the material belt is in the horizontal transportation direction, and the linear chasing and cutting mechanism 130 is connected with the feeding mounting seat 121 and is used for performing linear chasing and cutting action on the material belt fed by the feeding driving roller set 123.

The linear chasing and cutting mechanism 130 comprises a linear driving component 131, a punching driving component 133 and a cutter component 135, the linear driving component 131 is arranged on the mounting frame 110 and is positioned above the feeding mounting seat 121, the punching driving component 133 is connected with the linear driving component 131 and used for making linear reciprocating motion under the driving of the linear driving component 131, and the cutter component 135 is connected with the punching driving component 133 and is connected with the feeding mounting seat 121 and used for cutting the material belt under the driving of the punching driving component 133.

In this embodiment, the cutter assembly 135 includes a movable cutter and a fixed cutter, the fixed cutter is fixed in the vertical direction, and the movable cutter can reciprocate up and down under the driving of the punching driving assembly 133, thereby realizing the cutting function. For the straight line chasing and cutting process and the related structure, the existing straight line chasing and cutting equipment can be referred to.

In this embodiment, the linear driving assembly 131 is driven by a linear motor to reciprocate back and forth in the horizontal direction, so as to drive the punching driving assembly 133 and the material tape to keep the same speed, and further to keep the cutter assembly 135 and the material tape at the same speed in the horizontal direction, so as to realize linear chasing. Specifically, the punching driving assembly 133 includes a servo motor, an eccentric wheel and a hexagonal guide post, wherein the servo motor is in transmission connection with the eccentric wheel, the eccentric wheel is connected with the cutter assembly 135 through the hexagonal guide post, the servo motor drives the eccentric wheel to rotate, and drives the movable cutter to reciprocate up and down with the help of the hexagonal guide post so as to realize sheet making.

In this embodiment, the feeding mounting seat 121 is further provided with an adjusting cylinder 125, and the adjusting cylinder 125 is used for adjusting the distance between the driving feeding roller 1231 and the driven feeding roller 1233 to adjust the width of the feeding clamping channel.

When the pay-off, the material area passes through cutter unit spare 135 under pay-off drive roller set 123's effect, servo motor drives the eccentric wheel and rotates this moment, drive movable cutter up-and-down reciprocating motion with the help of the hexagonal guide pillar in order to realize the film-making, the available adjusting cylinder 125 adjusting pressure of pay-off drive roller set 123 compresses tightly the material area at this in-process, ensure the accuracy that the pan feeding cut, link to each other through the hexagonal guide pillar between eccentric wheel and the movable cutter, the precision that makes the displacement obtains guaranteeing, the precision of cutting and film-making has been guaranteed, the wide bad risk of piece when having reduced the film-making.

In this embodiment, a dust suction box 137 is further disposed on the discharging side of the feeding mounting seat 121, and the dust suction box 137 is used for sucking away the scraps formed by cutting. Specifically, the suction box 137 is also connected to an external repressurization conduit to create a negative pressure to suck away the debris.

In this embodiment, the distance between the cutter assembly 135 and the active feed roll 1231 is less than or equal to 70 mm. The feeding driving roller set 123 clamps continuous feeding, wherein the driving clamping point is arranged at a position away from the cutter assembly 135, the position from the driving point to the cutter assembly 135 is shortened, the relative position error between the pole piece cutting point and a cutter caused by the bending of the pole piece is effectively reduced, and the production precision is improved. In addition, because the distance from the driving point to the cutter assembly 135 is small, the rigidity of the pole piece is enhanced, and the problem of material blockage caused by pole piece coiling during driving can be avoided;

in summary, the working principle of the high-speed cutting device 100 provided in this embodiment is as follows:

in the embodiment, the feeding driving roller set 123 is used for driving and clamping the pole pieces before feeding to perform feeding cutting, wherein the driving clamping point is located at a position away from the cutter assembly 135, and the position from the driving clamping point to the cutter assembly 135 is shortened, so that on one hand, the relative position error between the pole piece cutting point and the cutter assembly 135 caused by the bending of the pole pieces is effectively reduced, and the slicing precision is improved; on the other hand, the distance from the driving clamping point to the cutter assembly 135 is small, so that the rigidity of the pole piece is enhanced, and the problem of material blockage caused by pole piece coiling during driving can be avoided; the pole piece is conveyed through the cutter assembly 135 and then through the first acceleration roller set 153 and the second acceleration roller set 155, the first acceleration roller set 153 and the second acceleration roller set 155 remove dust in a mode that the driven wheels are adhered with dust, and meanwhile, dust collection assemblies 159 are arranged on the upper surface and the lower surface of the pole piece, so that dust is further removed, the yield of the pole piece is effectively improved, and the risk of short circuit is reduced; the pole pieces enter the first acceleration roller set 153 and the second acceleration roller set 155, and are pressed tightly by the rollers, then the pole pieces are cut off by the cutter assembly 135, and the position of the pole pieces clamped by the first acceleration roller set 153 and the second acceleration roller set 155 in multiple directions can be adjusted by the deviation rectifying mechanism 160, so that the accuracy of the feeding position of the pole pieces is ensured; the first acceleration roller set 153 and the second acceleration roller set 155 accelerate while rectifying deviation, so that the speed of the pole piece and the speed of the diaphragm are matched to realize normal nesting, the speed of the belt when the pole piece is cut off and the movement speed of the linear motor are not too large, the acceleration of the linear motor is not too large, the precision and the efficiency of the sheet making can be ensured more easily, and the stability of the mechanism is also improved better.

Through pursuit at the straight line and cut mechanism 130 rear and set up acceleration drive mechanism 150, realize the acceleration drive to the material area to make the pan feeding speed in material area reach the default, this kind of mode of setting up makes the straight line pursue and cuts mechanism 130 and realize that the straight line pursues speed and acceleration when cutting just need not be too big, pursue with lower speed completion straight line and cut, can improve the precision and the efficiency of film-making, the stability of mechanism has also obtained better promotion simultaneously.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a high-speed cutting device, its characterized in that, includes mounting bracket, feeding mechanism, straight line chases after and cuts mechanism, pole piece deflector and actuating mechanism with higher speed, feeding mechanism the straight line chases after and cuts the mechanism with actuating mechanism all sets up with higher speed on the mounting bracket, feeding mechanism is used for carrying the material area, the straight line chases after and cuts the mechanism setting and is in the feeding mechanism top, with feeding mechanism connects, is used for right the material area carries out the straight line and chases after and cuts, the pole piece deflector sets up feeding mechanism's discharge side is used for to cutting the material area leads, actuating mechanism sets up with higher speed the discharge side of pole piece deflector is used for right the material area is with higher speed the drive.

2. The high-speed cutting device according to claim 1, wherein the acceleration driving mechanism comprises an acceleration mounting seat, a first acceleration roller set and a second acceleration roller set, the acceleration mounting seat is arranged on the mounting frame, the first acceleration roller set and the second acceleration roller set are arranged on the acceleration mounting seat at intervals, a first clamping channel for clamping the material belt is formed on the first acceleration roller set, a second clamping channel for clamping the material belt is formed on the second acceleration roller set, the second clamping channel is located on a discharge side of the first clamping channel, and the first acceleration roller set and the second acceleration roller set are used for driving the material belt to move in an acceleration mode so that the material belt sent out by the second clamping channel reaches a preset speed.

3. The high speed cutting apparatus of claim 2 wherein the first set of acceleration rollers includes a first acceleration drive roller and a first follower roller rotatably disposed on the acceleration mount and in clearance fit to form the first nip channel; the second acceleration roller set comprises a second acceleration driving roller and a second driven roller, the second acceleration driving roller and the second driven roller are rotatably arranged on the acceleration mounting seat and are in clearance fit with each other to form the second clamping channel, and the surfaces of the first driven roller and the second driven roller are coated with adhesive materials to pass through the first driven roller and the second driven roller to adsorb impurities on the surface of the material belt.

4. The high-speed cutting device according to claim 3, wherein a first dust-sticking roller and a second dust-sticking roller are rotatably arranged on the accelerating mounting seat, and the first dust-sticking roller is in rolling contact with the first driven roller so as to adhere impurities on the surface of the first driven roller; the second dust-sticking roller is in rolling contact with the second driven roller to adhere impurities on the surface of the second driven roller.

5. The high-speed cutting device according to claim 2, wherein a dust suction assembly is further arranged on the accelerating mounting seat, and the dust suction assembly is arranged between the first accelerating roller group and the second accelerating roller group and used for sucking impurities on the material belt.

6. The high-speed cutting device according to claim 1, further comprising a deviation correcting mechanism disposed on the mounting frame above the acceleration driving mechanism for correcting the deviation of the material tape.

7. The high-speed cutting device according to claim 1, wherein the feeding mechanism comprises a feeding mounting seat and a feeding driving roller group, the feeding mounting seat is arranged on the mounting frame, the feeding driving roller group comprises a driving feeding roller and a driven feeding roller, the driving feeding roller and the driven feeding roller are rotatably arranged on the feeding mounting seat and form a feeding clamping channel for the material belt to pass through.

8. The high-speed cutting device according to claim 7, wherein the linear cutting mechanism comprises a linear driving assembly, a cutting driving assembly and a cutter assembly, the linear driving assembly is disposed on the mounting frame and located above the feeding mounting seat, the cutting driving assembly is connected with the linear driving assembly and used for performing linear reciprocating motion under the driving of the linear driving assembly, and the cutter assembly is connected with the cutting driving assembly and connected with the feeding mounting seat and used for cutting the material belt under the driving of the cutting driving assembly.

9. The high-speed cutting device according to claim 8, wherein a dust suction box is further arranged on the discharging side of the feeding mounting seat, and the dust suction box is used for sucking away scraps formed by cutting.

10. The high speed cutting apparatus of claim 8, wherein the distance between the cutter assembly and the active feed roll is less than or equal to 70 mm.