CN117246805B - Rolling cutter device - Google Patents

Abstract

The application relates to the field of winding cutter device machinery, in particular to a winding cutter device, wherein a winding mechanism comprises a winding frame and two rotating discs respectively arranged on two sides of the winding frame; two clamping mechanisms which are oppositely arranged are arranged on the two rotating disks, the clamping mechanisms are used for clamping and arranging a winding roller, and the winding roller is used for winding the film; and a cutting mechanism is arranged on the winding frame, and is used for cutting the film after the winding roller finishes winding. In this application, through setting up cutting mechanism, when the wind-up roll passes through winding mechanism and carries out the film completion, automatic cutting mechanism can decide the film in the winding mechanism to this film rolling work of accomplishing utilizes cutting mechanism's stability and continuity to replace artifical cutting process, thereby improves the rolling efficiency of film.

Description

Rolling cutter device

Technical Field

The application relates to the field of winding cutter device machinery, in particular to a winding cutter device

Background

The film winding machine is mechanical equipment for winding soft strip materials such as films produced by a coating machine on a winding roller to form a coil, and is a winding part in a film product production line.

At present, after the coating machine coats the base material, after the drying procedure, the base material is transported to the winding roller in the winding device for winding, when one winding roller is wound, the winding roller is needed to be replaced after the cutting operation is performed, and the cutting operation is performed manually, so that the cutting efficiency is low, and the high-efficiency requirement of film winding is not met.

Disclosure of Invention

In order to improve film rolling efficiency, the application provides a rolling cut-off knife device.

The application provides a rolling cut-off knife device adopts following technical scheme:

the winding cutter device comprises a winding mechanism, wherein the winding mechanism comprises a winding frame and two rotating discs respectively arranged on two sides of the winding frame; two clamping mechanisms which are oppositely arranged are arranged on the two rotating disks, the clamping mechanisms are used for clamping and arranging a winding roller, and the winding roller is used for winding the film; and a cutting mechanism is arranged on the winding frame, and is used for cutting the film after the winding roller finishes winding.

Through adopting above-mentioned technical scheme, when the wind-up roll passes through winding mechanism and carries out the film completion, automatic cutting mechanism can decide the film in the winding mechanism to this film rolling work of accomplishing utilizes cutting mechanism's stability and continuity to replace artifical cutting process, thereby improves the rolling efficiency of film.

Optionally, the cutting mechanism includes a first driving unit, a second driving unit installed on the first driving unit, a third driving unit installed on the second driving unit, and a cutting unit installed on the third driving unit, where the first driving unit is used to control the second driving unit to perform forward and backward movement; the second driving unit is used for controlling the third driving unit to move up and down, and the third driving unit is used for controlling the cutting unit to move left and right.

Through adopting above-mentioned technical scheme, on the one hand, utilize the drive action of first drive unit, second drive unit and third drive unit, make tailorring the unit and can realize back-and-forth, upper and lower and left and right movement, increase the suitability of cutting unit to the adaptation is cut the film piece of different width. On the other hand, after the cutting mechanism works, the cutting mechanism can move under the driving action of the first driving unit, the second driving unit and the third driving unit, so that the reset storage is realized.

Optionally, the cutting unit includes a cutting motor and a cutting blade mounted on a motor shaft of the cutting motor, and the cutting motor is used for driving the cutting blade to perform rotary cutting.

Through adopting above-mentioned technical scheme, utilize cutting motor drive to originally fixed cutting blade to carry out the rotary motion, after cutting blade carries out high-speed rotation, increase cutting force and the cutting speed of cutting blade, make cutting blade more efficient cut the film, improve rolling efficiency.

Optionally, the cutting unit is further provided with an auxiliary blade, and the auxiliary blade is arranged below the cutting blade and is arranged in a front-back staggered manner relative to the cutting blade.

Through adopting above-mentioned technical scheme, utilize auxiliary blade and cutting blade's cutting edge dislocation set, the jam or the condition of gripping when can reducing the cutting makes the cutting smoother, has reduced the damage of material and cutting tool's wearing and tearing. In addition, the cutting edges are arranged in a staggered mode, so that the shape and the direction of the cutting line can be better controlled, and the cutting is more accurate.

Optionally, still install on the rolling frame and support tight unit, support tight unit including supporting tight slip table, first tight roller, one-level driving piece and second grade driving piece, one-level driving piece is used for the drive to support tight slip table and is close to/keep away from the wind-up roll direction and remove, first tight roller, second grade driving piece are all installed in supporting tight slip table, just second grade driving piece is used for the drive first tight roller of supporting to be close to the wind-up roll direction and remove and support the film that waits to cut, perhaps drive first tight roller of supporting is towards keeping away from wind-up roll direction and remove and loosen the film.

Through adopting above-mentioned technical scheme, utilize first tight roller to increase the tension to the film, make the film that waits to tailor more stable, reduce because of film vibration or shake produces unstable strength to the cutting edge in the cutting process.

Optionally, the winding mechanism further comprises a guide mechanism arranged in front of the winding mechanism, the guide mechanism comprises a guide frame, an upper roller set and a lower roller set which are arranged on the guide frame, and the upper roller set can be vertically adjusted in a lifting manner; the guide rollers in the upper roller set and the guide rollers in the lower roller set are arranged in a staggered mode, and the film is wound around the guide rollers in the lower roller set and the upper roller set in sequence to be guided in a staggered winding mode.

Through adopting above-mentioned technical scheme, utilize the liftable characteristics of last roller set, when the wind-up roll rolling film in the rolling machine is accomplished, when needs tailor the film, winding mechanism can stop to the film rolling, and at this moment, go up the roller set and rise to pull open the distance between roller set and the lower roller set, with the coiling length that increases the film between last roller set and lower roller set, make it be difficult for taking place the material at guide mechanism department and pile up, in order to realize the guide work of non-stop.

Optionally, auxiliary sliding rails are installed on two sides of the guide frame, and two ends of the upper roller set are slidably arranged on the auxiliary sliding rails.

Through adopting above-mentioned technical scheme, utilize the auxiliary slide rail of leading frame both sides, supplementary roller group carries out the lift adjustment on, increases the overall stability of roller group in the lift in-process to and increase the stability when carrying out the film motion of leading subsequently.

Optionally, the fixture includes two clamping bars, fourth drive unit and fifth drive unit, the fixture slides relatively and wears to establish to install in two rotary disks, fourth drive unit and fifth drive unit fixed mounting respectively in two rotary disk dorsal part, just fourth drive unit and fifth drive unit are used for controlling two clamping bars respectively and peg graft the centre gripping to the both ends of wind-up roll.

Through adopting above-mentioned technical scheme, in the continuous in-process of changing the film, after the workman will wait the wind-up roll to place between two clamping bars, fourth drive unit and fifth drive unit drive two clamping bars respectively and move towards being close to each other to peg graft the centre gripping to the both ends of wind-up roll.

Optionally, two opposite ends of the clamping rod are provided with connectors.

Through adopting above-mentioned technical scheme, at the in-process of installation wind-up roll, after two clamping bars are to inserting the centre gripping wind-up roll, the clamping bar passes through the bayonet joint and is connected with the wind-up roll, makes things convenient for follow-up dismouting wind-up roll.

Optionally, the back sides of the two rotating discs are respectively fixed with a rotating shaft, and the two rotating shafts are respectively rotatably supported on the bearings with the seats at the two sides of the winding frame; a main driving motor is fixed on one side of the winding frame, and the main driving motor and the rotating shaft are driven by a chain sprocket.

Through adopting above-mentioned technical scheme, change continuous in-process to the wind-up roll, main driving motor passes through chain sprocket structure drive pivot and rotates to the control rotary disk rotates, in order to adjust two wind-up roll positions on the rolling frame.

In summary, the present application includes at least one of the following beneficial technical effects:

1. by installing the cutting mechanism in the winding mechanism, when the winding roller finishes winding the film through the winding mechanism, the automatic cutting mechanism in the winding mechanism cuts the film, so that the film winding work is finished, the manual cutting process is replaced by the stability and the continuity of the cutting mechanism, and the winding efficiency of the film is improved;

2. by arranging the first driving unit, the second driving unit and the third driving unit, the cutting unit can realize front-back, up-down and left-right movement by utilizing the driving actions of the first driving unit, the second driving unit and the third driving unit, and the adaptability of the cutting unit is improved so as to adapt to cutting of film pieces with different widths;

3. the guide mechanism is arranged, the characteristic that the upper roller set can be lifted in the guide mechanism is utilized, when the film is wound by the winding roller in the winding machine, and when the film needs to be cut, the winding mechanism can stop winding the film, at the moment, the upper roller set is lifted to pull the distance between the upper roller set and the lower roller set, so that the winding length of the film between the upper roller set and the lower roller set is increased, and the film is not easy to be accumulated at the guide mechanism, so that the guide work is realized without stopping the machine.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present application.

Fig. 2 is a schematic structural view of the clamping mechanism of the present application.

Fig. 3 is a schematic structural view of the cutting mechanism of the present application.

Fig. 4 is a schematic view of the structure of the tightening unit of the present application.

Fig. 5 is a schematic structural view of the abutting mechanism.

Fig. 6 is a schematic structural view of the guiding mechanism of the present application.

Fig. 7 is a schematic structural view in the winding operation state of the present application.

Fig. 8 is a schematic view of the structure in the cutting operation state of the present application.

Reference numerals illustrate:

1. a winding frame; 11. a traversing slide rail; 12. a tightening unit; 121. abutting against the sliding table; 122. a first pinch roller; 123. a primary driving member; 124. a secondary driving member; 2. a rotating disc; 21. a rotating shaft; 22. a bearing with a seat; 23. a main driving motor; 3. a cutting mechanism; 31. a first driving unit; 32. a second driving unit; 33. a third driving unit; 34. a second abutment roller; 35. a cutting unit; 351. a cutting motor; 352. a cutting blade; 353. an auxiliary blade; 4. a tightening mechanism; 41. a tightening arm; 42. a guide roller; 43. abutting the driving piece; 44. a third pinch roller; 5. a guide mechanism; 51. a guide frame; 52. an upper roller set; 53. a lower roller set; 54. a guide roller; 55. an auxiliary slide rail; 6. a wind-up roll; 7. a clamping mechanism; 71. a clamping rod; 72. a fourth driving unit; 721. clamping a driving motor; 722. clamping the ball screw; 73. a fifth driving unit; 731. a clamping driving cylinder; 732. clamping the driving chain; 74. a plug; 100. and a winding mechanism.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-8.

The embodiment of the application discloses a rolling cut-off knife device.

Referring to fig. 1 and 2, a winding cutter device includes a winding mechanism 100, where the winding mechanism 100 includes a winding frame 1 and two rotating discs 2 respectively mounted on two sides of the winding frame 1. Wherein, two clamping mechanisms 7 which are oppositely arranged are arranged on the front side and the rear side between the two rotating disks 2 for clamping and installing the winding roller 6, and the winding roller 6 is used for winding the film. The cutting mechanism 3 is installed at the top of rolling frame 1, and cutting mechanism 3 is located the front side of rotary disk 2, and cutting mechanism 3 is used for cutting the film.

When the film enters the winding mechanism 100 to be wound, the winding roller 6 installed at the front side of the rotating disc 2 is clamped by the clamping mechanism 7 to wind the film, after the winding work of the winding roller 6 is completed, the front side and the rear side of the clamping mechanism 7 rotate to the opposite positions through the rotating disc 2, the winding roller 6 for the film to be wound is adjusted to the front side, and the winding roller 6 for the film wound is adjusted to the rear side correspondingly. The winding mechanism 100 stops feeding the film at this time, and the cutting mechanism 3 starts cutting the film. And then circularly winding and cutting.

Referring to fig. 3, specifically, in the present embodiment, the cutting mechanism 3 includes a first driving unit 31, a second driving unit 32 mounted on the movable end of the first driving unit 31, a third driving unit 33 mounted on the second driving unit 32, and a cutting unit 35 mounted on the third driving unit 33. The first driving unit 31 is fixed on the top of the winding frame 1, and in this embodiment, a hydraulic cylinder capable of being adjusted step by step is used for driving the first driving unit 31. The top of the winding frame 1 is also provided with a transverse sliding rail 11, correspondingly, the top of the second driving unit 32 is provided with a sliding block in sliding connection with the transverse sliding rail 11, and in the embodiment, the driving of the second driving unit 32 is a ball screw. In this embodiment, the third driving unit 33 is a trackless cylinder, which is disposed along the longitudinal direction of the winding frame 1. The cutting unit 35 is mounted on the movable end of the trackless cylinder.

When the winding of the winding roller 6 is completed and the film needs to be cut, the first driving unit 31 is started, the movable end of the hydraulic cylinder capable of being adjusted step by step pushes the second driving unit 32 to be close to the film, then the second driving unit 32 is pressed close to the film downwards through the ball screw, and then the cutting unit 35 is driven to cut the film through the trackless cylinder.

On the one hand, the driving actions of the first driving unit 31, the second driving unit 32 and the third driving unit 33 enable the cutting unit to realize front-back, up-down and left-right movements, and the suitability of the cutting unit 35 is increased so as to cut film pieces with different widths. On the other hand, when the cutting mechanism 3 is completed, the cutting mechanism can be moved by the driving actions of the first driving unit 31, the second driving unit 32 and the third driving unit 33, so as to realize the reset storage.

Referring to fig. 3, specifically, in the present embodiment, the cutting unit 35 includes a cutting motor 351 and a cutting blade 352 mounted on a motor shaft of the cutting motor 351, and the cutting motor 351 is used to drive the cutting blade 352 to perform rotary cutting.

In addition, the auxiliary blade 353 is further mounted on the cutting unit 35, and the auxiliary blade 353 is disposed below the cutting blade 352 and is disposed in a front-rear offset manner with respect to the cutting blade 352.

In the film cutting process, on the one hand, the cutting motor 351 is utilized to drive the originally fixed cutting blade 352 to rotate, after the cutting blade 352 rotates at a high speed, the cutting force and the cutting speed of the cutting blade 352 are increased, the cutting blade 352 is enabled to cut the film more efficiently, and the winding efficiency is improved. On the other hand, the auxiliary blade 353 and the cutting blade 352 are arranged in a staggered manner, so that the clamping or clamping condition during cutting can be reduced, the cutting is smoother, and the damage of materials and the abrasion of cutting tools are reduced. The cutting edge is arranged in a staggered manner, so that the shape and the direction of the cutting line can be better controlled, and the cutting is more accurate.

Referring to fig. 4, specifically, in the present embodiment, the winding frame 1 is further mounted with a tightening unit 12, and the tightening unit 12 includes a tightening slide table 121, a first tightening roller 122, a primary driving member 123, and a secondary driving member 124. The first driving member 123 is used for driving the abutting sliding table 121 to move towards the direction approaching/separating from the wind-up roll 6, in this embodiment, the first driving member adopts a ball screw as a driving member, a sliding block is installed on the abutting sliding table 121, and a sliding rail in sliding connection with the sliding block on the abutting sliding table 121 is installed on the corresponding wind-up frame 1. The first abutting roller 122 and the second driving piece 124 are both installed on the abutting sliding table 121, the second driving piece 124 is a hydraulic cylinder, the first abutting roller 122 is pushed by the driving action of the hydraulic cylinder, so that the first abutting roller 122 moves close to the winding roller 6 to abut against the film to be cut, or the first abutting roller 122 is driven to move far away from the winding roller 6 to loosen the film.

In addition, a second abutting roller 34 is mounted at the bottom of the third driving unit 33, and the second abutting roller 34 can abut against the film to be cut along with the movement of the third driving unit 33 in the direction of approaching the winding roller 6, or the second abutting roller 34 is driven to move in the direction of separating from the winding roller 6 so as to loosen the film.

When cutting a film, on the one hand, the abutting unit 12 is started, under the combined driving action of the primary driving piece 123 and the secondary driving piece 124, the first abutting roller 122 moves towards the direction close to the winding roller 6 to abut against the film to be cut, the tension effect is increased on the film, then the cutting mechanism 3 also starts to move towards the direction close to the winding roller 6, at the moment, the second abutting roller 34 at the bottom of the third driving unit 33 also starts to move towards the direction close to the winding roller 6, the tension effect is further increased on the film, the film to be cut is more stable, and the unstable force generated by vibration or shaking of the film on the cutting edge in the cutting process is reduced. On the other hand, when the film is cut, the first abutting roller 122 and the second abutting roller 34 both abut against the film, so that the film tension is increased, and the film to be cut is further stabilized.

In addition, after the film is cut, the first abutting roller 122 can rotate under the action of a motor, so that the cut film is wound on the winding roller 6 of the film to be wound through the torsion of the first abutting roller 122, manual assistance is not needed, and the effect of rapid winding is achieved.

Referring to fig. 5, specifically, in this embodiment, two sets of abutting mechanisms 4 are installed between two winding discs, the two sets of abutting mechanisms 4 are respectively matched with two winding rollers 6, and the winding rollers 6 abut against the film when collecting the film. The abutting mechanism 4 includes an abutting arm 41, a guide roller 42, an abutting driving piece 43, and a third abutting roller 44. The number of the abutting arms 41 is two, and the abutting arms 41 are respectively arranged at the middle positions of the two winding drums. The abutment driving member 43 is used for driving the abutment arm 41 to swing, and in this embodiment, the abutment driving member 43 is driven by a hydraulic cylinder. The guide roller 42 and the third abutting roller 44 are respectively installed between the two abutting arms 41, the guide roller 42 and the third abutting roller 44 are arranged in parallel, two ends of the guide roller 42 and the third abutting roller 44 are respectively connected with the two abutting arms 41 in a rotating mode, and the third abutting roller 44 is installed at the end portion of the abutting arms 41 so as to tightly abut against the film to increase the film tension when the film is wound by the winding roller 6.

When the film is collected by the winding roller 6, the abutting arm 41 swings the third abutting roller 44 towards the direction close to the winding roller 6 under the action of the abutting driving piece 43 to abut against the film being wound, so that the winding stability of the film in the winding process is improved.

Referring to fig. 6, specifically, in the present embodiment, the winding mechanism 100 further includes a guide mechanism 5 disposed in front of the winding mechanism 100, and the guide mechanism 5 includes a guide frame 51, and an upper roller group 52 and a lower roller group 53 mounted on the guide frame 51. Wherein, ball screws are arranged on two sides of the middle of the guide frame 51, and the upper roller set 52 is driven to lift by the ball screws. The upper roller set 52 includes a plurality of guide rollers 54 and a fixing base for mounting the guide rollers 54, and in this embodiment, the guide rollers 54 in the upper roller set 52 are six in number and are arranged at intervals in a horizontal manner. Auxiliary sliding rails 55 are arranged at the front end and the rear end of the guide frame 51, and sliding blocks in sliding connection with the sliding rails are arranged at the front end and the rear end of the fixing seat. The lower roller group 53 includes a plurality of guide rollers 54 and a fixing base for mounting the guide rollers 54, and in the present embodiment, the guide rollers 54 in the lower roller group 53 are seven in number and are arranged at intervals in a horizontal manner. The guide rollers 54 in the upper roller set 52 and the guide rollers 54 in the lower roller set 53 are arranged in a staggered manner, and the film is sequentially wound around the guide rollers 54 in the lower roller set 53 and the upper roller set 52 for staggered winding and guide.

In the film feeding process, the film enters the feeding mechanism 5, passes through the feeding roller 54 in the lower roller group 53, passes through the feeding roller 54 in the upper roller group 52, and then is fed into the feeding roller 54 in the lower roller group 53 by the feeding roller 54 in the upper roller group 52, and sequentially circulates until entering the winding frame 1. By utilizing the characteristic that the upper roller set 52 can be lifted, when the film is wound by the winding roller 6, the winding mechanism 100 stops winding the film when the film needs to be cut, at the moment, the ball screw drives the upper roller set 52 to lift, the auxiliary sliding rail 55 assists the upper roller set 52 to lift, the whole upper roller set 52 is lifted upwards, the distance between the upper roller set 52 and the lower roller set 53 is pulled, the distance between the upper roller set 52 and the lower roller set 52 is prolonged, the winding length of the film between the upper roller set 52 and the lower roller set 53 is increased, when the film in the winding frame 1 stops being guided, no material accumulation occurs on the film in the guiding frame 51, after the film in the rotating disk 2 is cut, the film in the rotating disk 2 is restarted, at the moment, the ball screw drives the upper roller set 52 to lift, the auxiliary sliding rail 55 assists the upper roller set 52 to lift, the whole upper roller set 52 falls downwards, and the whole upper roller set 52 is restored to the normal distance. Through the operation, the guide cutting without stopping machine is realized.

In addition, the auxiliary sliding rails 55 on both sides of the guiding frame 51 are used for assisting the upper roller set 52 in lifting adjustment, so that the overall stability of the upper roller set 52 in the lifting process is improved, and the stability of the film during the subsequent guiding movement is improved.

Referring to fig. 2, specifically, in the present embodiment, the clamping mechanism 7 includes two clamping rods 71, a fourth driving unit 72 and a fifth driving unit 73, the clamping mechanism 7 is relatively slidably installed on the two rotating discs 2 in a penetrating manner, the fourth driving unit 72 and the fifth driving unit 73 are respectively and fixedly installed on the back sides of the two rotating discs 2, and the fourth driving unit 72 and the fifth driving unit 73 are respectively used for controlling the two clamping rods 71 to perform splicing clamping on two ends of the winding roller 6. The fourth driving unit 72 includes a grip driving motor 721 and a grip ball screw 722. The clamping ball screw 722 is vertically fixed on the rotary disk 2, and a nut in the clamping ball screw 722 is fixedly connected with the clamping rod 71 on the same side. The clamp driving motor 721 is fixedly installed on the rotary disk 2, and the clamp driving motor 721 drives the screw in the clamp ball screw 722 to rotate through a chain sprocket to control the clamp rod 71 to perform sliding adjustment along the direction perpendicular to the rotary disk 2. In other embodiments, the fourth driving unit 72 may be driven in a cylinder driving manner.

Correspondingly, in the present embodiment, the fifth driving unit 73 is a clamping driving cylinder 731 and a clamping driving chain 732, the clamping driving cylinder 731 is vertically fixed on the back side of the rotating disc 2, and the piston rod of the clamping driving cylinder 731 is disposed outwards. The piston rod ends of the clamping driving cylinders 731 are fixedly connected with the clamping rods 71 on the same side through plates, so that the clamping driving cylinders 731 can control the clamping rods 71 to slide and adjust along the direction perpendicular to the rotating disc 2. In other embodiments, the fifth driving unit 73 may be driven by a motor plus a ball screw.

In use, when a worker places the wind-up roll 6 between the two clamping bars 71, the fourth driving unit 72 and the fifth driving unit 73 respectively drive the two clamping bars 71 to move toward each other to insert and clamp both ends of the wind-up roll 6 so as to mount the wind-up roll 6 on the wind-up frame 1.

Meanwhile, since the fourth driving unit 72 is driven by a motor and screw rod mode, and the fifth driving unit 73 is driven by an air cylinder, on one hand, the fourth driving unit 72 has stronger stability and can position one end of the film roll, and when the air flow in the fifth driving unit 73 fluctuates in an unstable manner, the film roll is still not easy to shake. On the other hand, the fifth driving unit 73 is a pneumatic driving system, and the response speed is relatively high, so that the insertion and clamping of the film roll can be completed more quickly.

Referring to fig. 2, specifically, in this embodiment, two clamping rods 71 are rotatably installed at opposite ends of the winding roller 6, and in the film winding process, when the two clamping rods 71 are clamped by opposite insertion, the clamping rods 71 are rotatably connected with the winding roller 6 through the inserting connectors 74, so that the film is wound subsequently.

Referring to fig. 2, specifically, in the present embodiment, the back sides of the two rotating discs 2 are each fixed with a rotating shaft 21, the rotating shafts 21 are coaxially disposed with the rotating discs 2, and the rotating shafts 21 are rotatably supported by a bearing 22 with a seat at the outer side of the winding frame 1. A main driving motor 23 is fixed on one side of the winding frame 1, and the main driving motor 23 and the rotating shaft 21 are driven by a clamping driving chain 732. In the process of replacing and splicing the film roll, the main driving motor 23 drives the rotating shaft 21 to rotate through the clamping driving chain 732 so as to control the rotating disc 2 to rotate, and therefore the position of the winding roller 6 on the winding frame 1 is adjusted.

The implementation principle is as follows:

referring to fig. 5, 7 and 8, when the film passes between the upper roller set 52 and the lower roller set 53 in the guide mechanism 5, the film is guided into the rotating disk 2 by winding around the lower roller set 53 and the guide roller 54 in the lower roller set 53 in turn, the film is wound by the winding roller 6 in the rotating disk 2, after the winding of the winding roller 6 is completed, the front side and the rear side clamping mechanisms 7 rotate to change positions through the rotating disk 2, the winding roller 6 for film to be wound is changed to the front side, and the corresponding winding roller 6 for film wound is changed to the rear side. The winding mechanism 100 stops feeding the film at this time, and the cutting mechanism 3 starts cutting the film. Meanwhile, in the film cutting process, the upper roller set 52 is driven to lift through the ball screw, the auxiliary sliding rail 55 assists the upper roller set 52 to lift, so that the upper roller set 52 is lifted up integrally, the distance between the upper roller set 52 and the lower roller set 53 is pulled, the subsequent feeding of the film into the guide frame 51 is enabled to be lifted up from the distance between the guide roller 54 in the lower roller set 53 and the guide roller 54 in the upper roller set 52, the winding length of the film between the upper roller set 52 and the lower roller set 53 is increased, when the film in the winding frame 1 stops being conveyed, no material accumulation occurs on the film in the guide frame 51, when the film in the rotating disc 2 finishes, the film in the rotating disc 2 begins to be conveyed again, at the moment, the ball screw drives the upper roller set 52 to descend, the auxiliary sliding rail 55 assists the upper roller set 52 to descend, the whole upper roller set 52 descends downwards, the normal distance between the upper roller set 52 and the lower roller set 53 is restored to the normal distance, and the film is enabled to restore to the normal guide state. Through the operation, the guide cutting without stopping machine is realized.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (9)

1. A rolling cut-off knife device, its characterized in that: the winding mechanism (100) comprises a winding frame (1) and two rotating discs (2) respectively arranged at two sides of the winding frame (1); two clamping mechanisms (7) which are oppositely arranged are arranged on the two rotating discs (2), the clamping mechanisms (7) are used for clamping and arranging a winding roller (6), and the winding roller (6) is used for winding films; a cutting mechanism (3) is arranged on the winding frame (1), and the cutting mechanism (3) is used for cutting the film after the winding roller (6) finishes winding; the cutting mechanism (3) comprises a first driving unit (31), a second driving unit (32) arranged on the first driving unit (31), a third driving unit (33) arranged on the second driving unit (32) and a cutting unit (35) arranged on the third driving unit (33), wherein the first driving unit (31) is used for controlling the second driving unit (32) to move forwards and backwards; the second driving unit (32) is used for controlling the third driving unit (33) to move up and down, and the third driving unit (33) is used for controlling the cutting unit (35) to move left and right.

2. A winding cutter apparatus according to claim 1, wherein: the cutting unit (35) comprises a cutting motor (351) and a cutting blade (352) arranged on a motor shaft of the cutting motor (351), and the cutting motor (351) is used for driving the cutting blade (352) to perform rotary cutting.

3. A winding cutter apparatus according to claim 2, wherein: the cutting unit (35) is also provided with an auxiliary blade (353), and the auxiliary blade (353) is arranged below the cutting blade (352) and is arranged in a front-back staggered manner relative to the cutting blade (352).

4. A winding cutter apparatus according to claim 1, wherein: the winding frame (1) is further provided with a tight propping unit (12), the tight propping unit (12) comprises a tight propping sliding table (121), a first tight propping roller (122), a first-stage driving piece (123) and a second-stage driving piece (124), the first-stage driving piece (123) is used for driving the tight propping sliding table (121) to move towards a direction close to/far away from the winding roller (6), the first tight propping roller (122) and the second-stage driving piece (124) are both arranged on the tight propping sliding table (121), and the second-stage driving piece (124) is used for driving the first tight propping roller (122) to move towards a direction close to the winding roller (6) so as to prop against a film to be cut, or driving the first tight propping roller (122) to move towards a direction far away from the winding roller (6) so as to loosen the film.

5. A winding cutter apparatus according to claim 1, wherein: the winding mechanism (100) further comprises a guide mechanism (5) arranged in front of the winding mechanism (100), the guide mechanism (5) comprises a guide frame (51), and an upper roller set (52) and a lower roller set (53) which are arranged on the guide frame (51), and the upper roller set (52) can be vertically lifted and adjusted; the guide rollers (54) in the upper roller set (52) and the guide rollers (54) in the lower roller set (53) are arranged in a staggered mode, and the films are sequentially wound around the lower roller set (53) and the guide rollers (54) in the upper roller set (52) for staggered winding and guide.

6. The winding cutter apparatus according to claim 5, wherein: auxiliary sliding rails (55) are arranged on two sides of the guide frame (51), and two ends of the upper roller set (52) are arranged on the auxiliary sliding rails (55) in a sliding mode.

7. A winding cutter apparatus according to claim 1, wherein: the clamping mechanism (7) comprises two clamping rods (71), a fourth driving unit (72) and a fifth driving unit (73), the clamping mechanism (7) is installed on the two rotating discs (2) in a penetrating manner in a sliding manner, the fourth driving unit (72) and the fifth driving unit (73) are respectively fixedly installed on the back sides of the two rotating discs (2), and the fourth driving unit (72) and the fifth driving unit (73) are respectively used for controlling the two clamping rods (71) to conduct splicing clamping on two ends of the winding roller (6).

8. The winding cutter apparatus according to claim 7, wherein: and the two clamping rods (71) are oppositely arranged, and the plug connectors (74) are arranged at one ends of the two clamping rods.

9. A winding cutter apparatus according to claim 1, wherein: the back sides of the two rotating discs (2) are respectively fixed with a rotating shaft (21), and the two rotating shafts (21) are respectively rotatably supported on bearings (22) with seats on the two sides of the winding frame (1); a main driving motor (23) is fixed on one side of the winding frame (1), and the main driving motor (23) and the rotating shaft (21) are driven by a chain sprocket.