CN115159199A

CN115159199A - Film rolling machine

Info

Publication number: CN115159199A
Application number: CN202210762659.5A
Authority: CN
Inventors: 秦志红; 林志虹; 白汝佳; 杨丁卯; 张春华
Original assignee: Guangdong Simcheng Plastics Machinery Co Ltd
Current assignee: Guangdong Simcheng Plastics Machinery Co Ltd
Priority date: 2022-06-30
Filing date: 2022-06-30
Publication date: 2022-10-11

Abstract

The invention discloses a film winder, which comprises a rack, an unwinding roller set, a tension adjusting mechanism, a turntable, a winding wheel, a cutting assembly, a ratchet assembly and a blanking mechanism, wherein the unwinding roller set is arranged on the rack; the unwinding roller set is arranged on the rack and used for unwinding the film; the tension adjusting mechanism is arranged at the downstream of the unwinding roller set and used for adjusting the tension of the film; the rotary table is arranged at the downstream of the tension adjusting mechanism, the rotary table is arranged on the rack, the rotary table and the rack can rotate relatively, and the axis of the rotary table is arranged along the front-back direction; the two winding wheels are respectively arranged on the turntable, and the axes of the winding wheels extend in the front-back direction; the cutting assembly is arranged on the rack and used for cutting the film between the two winding wheels; the ratchet wheel assembly is used for winding up a drooping film after the upstream winding wheel is cut by the cutting assembly; the blanking mechanism is arranged on the rack and used for blanking the film roll on the downstream winding wheel.

Description

Film rolling machine

Technical Field

The invention relates to the field of film winding, in particular to a film winding machine.

Background

In the process of winding a continuous sheet of film into multiple rolls, slitting of the film is required in order to separate the film into multiple rolls for distribution to different customers. However, after the film is cut at present, the film needs to be manually wound up, so that the film is rewound on the winding roller, the operation has operation risks, and the manual winding up is troublesome and labor-consuming.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: at least one technical problem addressed above is solved.

The solution of the invention for solving the technical problem is as follows:

a film winder, including the frame, still includes: the device comprises an unwinding roller set, a tension adjusting mechanism, a rotary table, a winding wheel, a cutting assembly, a ratchet assembly and a blanking mechanism; the unwinding roller set is arranged on the rack and used for unwinding a film; the tension adjusting mechanism is arranged at the downstream of the unreeling roller set and used for adjusting the tension of the film; the rotary table is arranged at the downstream of the tension adjusting mechanism, the rotary table is arranged on the rack, the rotary table and the rack can rotate relatively, and the axis of the rotary table is arranged along the front-back direction; the two winding wheels are arranged on the turntable respectively, and the axes of the winding wheels extend in the front-back direction; the cutting assembly is arranged on the rack and used for cutting the film between the two winding wheels; the ratchet wheel assembly is arranged on the rack and used for winding up a sagging film after an upstream winding wheel is cut by the cutting assembly; the blanking mechanism is arranged on the rack and used for blanking the film roll on the winding wheel at the downstream.

As a further improvement of the above technical solution, the tension adjusting mechanism includes a traction assembly, a swing roller set and a floating roller set, which are sequentially arranged from upstream to downstream, the traction assembly is used for applying traction and/or tension to the film sheet, the swing roller set is used for adjusting the surface tension of the film sheet, and the floating roller set is used for adjusting the tightness degree of the film.

As a further improvement of the above technical solution, the traction assembly includes a first swing arm disposed on the frame, a pressure roller disposed on the first swing arm, and a first air cylinder disposed on the frame, the first swing arm is connected to the frame through a rotating shaft, one end of the first air cylinder is hinged to the frame, the other end of the first air cylinder is hinged to the first swing arm, and the pressure roller and the first swing arm are relatively rotatable.

As a further improvement of the technical scheme, the traction assembly comprises a traction roller and a motor, the traction roller is arranged on the frame, the traction roller is arranged between the pressure roller and the swing roller group, and the motor drives the traction roller to rotate.

As a further improvement of the technical scheme, the swing roller group comprises a second swing arm, two swing roller main bodies and a second air cylinder, wherein the swing roller main bodies are connected with two ends of the second swing arm through rotating shafts respectively, the middle part of the second swing arm is connected with the rack through rotating shafts, two ends of the second air cylinder are connected with the second swing arm and the rack respectively, and the second air cylinder drives the second swing arm to swing.

As a further improvement of the above technical solution, the floating roller set includes a driving motor, a second gear, a second rack, a slide rail, a slider, and a floating roller body, the floating roller body is provided with a plurality of rollers, the floating roller body is disposed on the slider, the floating roller body is disposed along a front-rear direction, the floating roller body and the slider are rotatable relative to each other, the second rack and the slide rail extend along a left-right direction, the second gear is disposed on the rack, the second gear and the rack are rotatable relative to each other, the second gear is engaged with the second rack, the second rack is fixed on the slider, the slide rail is fixed on the rack, the slider is connected with the slide rail in a sliding fit manner, and all the winding wheels are disposed at a downstream of the floating roller.

As a further improvement of the above technical solution, the cutting assembly comprises: the device comprises a swing frame, a first compression roller mechanism, a pressing roller and a fly cutter mechanism; the swing frame is arranged on the rack, the swing frame and the rack can swing relatively, and the axis of the swing frame rotating relatively to the rack extends forwards and backwards; the first press roller mechanism is arranged on the swing frame and is used for pressing a film on an upstream winding wheel; the pressing wheel is arranged at the downstream of the first pressing roller mechanism, the pressing wheel is arranged on the swing frame, and the pressing wheel is used for pressing the film between the two rolling wheels; fly sword mechanism and set up on the rocker, fly sword mechanism sets up between first compression roller mechanism and pinch roller, fly sword mechanism be used for cutting first compression roller mechanism with film between the pinch roller.

As a further improvement of the above technical solution, the fly cutter mechanism includes: the device comprises a tool rest, a front-back movement mechanism, a saw blade assembly, a transmission assembly and a sliding seat; the tool rest is fixed on the swing frame; the front-back movement mechanism is arranged on the tool rest; the sliding seat is arranged on the front-back movement mechanism, and the front-back movement mechanism drives the sliding seat to reciprocate along the front-back direction; the saw blade assembly is arranged on the sliding seat and can rotate relative to the sliding seat, and the saw blade assembly is used for cutting the membrane; the transmission assembly is arranged on the tool rest, and drives the saw blade assembly to rotate in the process that the forward and backward movement mechanism drives the sliding seat to move forward and backward.

As a further improvement of the above technical solution, the saw blade assembly includes a shaft body, a first gear and a saw blade main body, the shaft body is disposed on the slide seat, the shaft body and the slide seat can rotate relatively, the first gear is mounted on the shaft body, the saw blade main body is mounted on the shaft body, the transmission assembly includes a first rack fixed on the frame, the first rack extends in a front-back direction, and the first gear is engaged with the first rack.

As a further improvement of the above technical scheme, the saw blade assembly further comprises a nut and a spring, an external thread is arranged on the shaft body, the nut is connected with the external thread in a matching manner, the spring is arranged between the nut and the sliding seat, one end of the spring is connected with the nut, the other end of the spring is connected with the sliding seat, the ratchet wheel assembly comprises a limiting block, and the lower end face of the saw blade main body is used for abutting against the limiting block.

As a further improvement of the technical scheme, the sliding seat comprises a seat body, a sliding plate and a push rod, guide rails are arranged on the rack, the sliding plate is in sliding fit with the guide rails, the front and back movement mechanism is in driving connection with the seat body, the saw blade assembly is arranged on the sliding plate, a clamping gap is formed in the seat body, and the push rod is inserted into the clamping gap.

As a further improvement of the above technical solution, the first press roller mechanism includes: the film pressing device comprises a first cross beam, a crank arm, a film pressing column and a first film pressing cylinder; the first cross beam is arranged on the swing frame; the crank arm is arranged on the first cross beam, the crank arm and the first cross beam can rotate relatively, and the axis of the relative rotation of the crank arm and the first cross beam extends along the front-back direction; the film pressing column is arranged on the crank arm; the fixed part of first press mold cylinder articulates on the first crossbeam, the movable part of first press mold cylinder articulates the crank arm, first press mold cylinder is used for driving the swing of crank arm.

As a further improvement of the above technical solution, the ratchet assembly includes: the winding device comprises a winding frame, a winding cylinder, a ratchet wheel main body, a limiting block and a driving device; the upper rolling frame is arranged on the rack, and the upper rolling frame and the rack can rotate relatively; two ends of the winding cylinder are respectively connected with the winding frame and the rack, and the winding cylinder is used for driving the winding frame to swing; the ratchet wheel main body is arranged on the upper winding frame, the axis of the ratchet wheel main body extends along the front-back direction, the ratchet wheel main body and the upper winding frame can rotate relatively, and the ratchet wheel main body is used for winding a film onto a winding wheel; the limiting block is arranged beside the ratchet wheel main body and used for guiding a film which is cut, wound around the upper side of the upstream winding wheel and droops backwards, so that the film moves towards the top of the ratchet wheel main body, and tooth grooves in the top of the ratchet wheel main body face the limiting block; the driving device is arranged on the upper rolling frame and drives the ratchet wheel main body to rotate.

As a further improvement of the above technical scheme, the blanking mechanism includes a gripper main body, a gripper arm and a swing cylinder, the gripper arm is arranged on the frame, the gripper arm and the frame can swing relatively, the gripper main body is used for gripping a film roll on a winding wheel at the downstream, the swing cylinder is arranged on the frame, and the swing cylinder drives the gripper arm to swing.

The beneficial effects of the invention are: the invention can realize continuous mechanical winding and blanking of the film, effectively save labor and improve production efficiency.

Drawings

In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures are only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from them without inventive effort.

FIG. 1 is an isometric view of the winder of the present invention;

FIG. 2 is a cross-sectional view of the winder of the present invention;

FIG. 3 is an isometric view of the ratchet assembly, cutting assembly of the present invention;

FIG. 4 is an isometric view of a first beam, lamination post, and first lamination cylinder of the present invention;

FIG. 5 is an isometric view of a first beam, support arm, squeeze film roller, and second squeeze film cylinder of the present invention;

FIG. 6 is an isometric view of the cutting assembly of the present invention;

FIG. 7 is a top view of the cutting assembly of the present invention;

FIG. 8 is a front view of the cutting assembly of the present invention;

FIG. 9 is a right side view of the cutting assembly of the present invention;

FIG. 10 is an isometric view of the carriage and blade assembly of the present invention;

fig. 11 is an enlarged view of a of fig. 2 of the present invention.

In the drawings: 1-a frame, 2-an unreeling wheel set, 311-a first swing arm, 312-a pressure roller, 313-a first air cylinder, 314-a traction roller, 321-a second swing arm, 322-a swing roller body, 323-a second air cylinder, 331-a second gear, 332-a second rack, 333-a sliding rail, 334-a sliding block, 335-a floating roller body, 4-a turntable, 5-a reeling wheel, 6-a cutting assembly, 61-a swing frame, 621-a first cross beam, 622-a curved arm, 623-a film pressing column, 624-a first film pressing air cylinder, 625-a support arm, 626-a film pressing roller, 627-a second film pressing air cylinder, 63-a pressing wheel, 642-a back and forth movement mechanism, 643-a saw blade assembly, 6431-a first gear, 6432-a saw blade body, 6433-a shaft body, 6434-a nut, 6435-a spring, 644-a first rack, 645-a sliding seat, 6451-a sliding plate, 6452-a sliding plate, 6453-a push rod, 6454-a guide rail, 72-a grasping hand body, 73-a sliding seat assembly, 82-a ratchet wheel driving device, a ratchet wheel seat body, 85-a ratchet wheel seat body and a limiting block.

Detailed Description

The conception, the specific structure and the technical effects produced by the present invention will be clearly and completely described in conjunction with the embodiments and the attached drawings, so as to fully understand the objects, the features and the effects of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and those skilled in the art can obtain other embodiments without inventive effort based on the embodiments of the present invention, and all embodiments are within the protection scope of the present invention. In addition, all the coupling/connection relationships mentioned herein do not mean that the components are directly connected, but mean that a better coupling structure can be formed by adding or reducing coupling accessories according to specific implementation conditions. All technical characteristics in the invention can be interactively combined on the premise of not conflicting with each other.

Referring to fig. 1 to 11, a film winder includes a frame 1, an unwinding roller set, a tension adjusting mechanism, a turntable 4, a winding wheel 5, a cutting assembly 6, a ratchet assembly 8 and a blanking mechanism; the unwinding roller set is arranged on the rack 1 and is used for unwinding a film; the tension adjusting mechanism is arranged at the downstream of the unwinding roller set and is used for adjusting the tension of the film; the rotary table 4 is arranged at the downstream of the tension adjusting mechanism, the rotary table 4 is arranged on the rack 1, the rotary table 4 and the rack 1 can rotate relatively, and the axis of the rotary table 4 is arranged along the front-back direction; the number of the winding wheels 5 is two, the two winding wheels 5 are respectively arranged on the turntable 4, and the axis of each winding wheel 5 extends in the front-back direction; the cutting assembly 6 is arranged on the rack 1, and the cutting assembly 6 is used for cutting the film between the two winding wheels 5; the ratchet wheel assembly 8 is arranged on the rack 1, and the ratchet wheel assembly 8 is used for winding up a sagging film after the upstream winding wheel 5 is cut by the cutting assembly 6; the blanking mechanism is arranged on the rack 1 and used for blanking the film roll on the winding wheel 5 at the downstream.

From the above, the unwinding roller set is used for unwinding the film, the tension adjusting mechanism is used for adjusting the tension of the film so as to realize the transmission of the film, the turntable 4 is used for driving the two winding wheels 5 to turn over, so that the relative positions of the upstream and the downstream of the two winding wheels 5 can be exchanged, when the film winding device is used, the film sequentially winds through the unwinding roller set, the tension adjusting mechanism, the upstream winding wheel 5 and the downstream winding wheel 5, and when the film winds through the upstream winding wheel 5, the upper side of the winding wheel 5 which winds through the upstream is taken as an example here for explanation. For convenience of explanation, the winding wheel 5 at the upstream is referred to as a first winding wheel 5, and the winding wheel 5 at the downstream is referred to as a second winding wheel 5. After the first winding wheel 5 finishes penetrating and winding, the position of the first winding wheel 5 and the position of the second winding wheel 5 are driven to overturn through the turntable 4, so that the second winding wheel 5 overturns to the upstream of the first winding wheel 5, after overturning, the first winding wheel 5 continues to rotate until the first winding wheel is wound to the winding length meeting the requirements of a user, the film between the first winding wheel 5 and the second winding wheel 5 is cut through the cutting assembly 6, after cutting, the first winding wheel 5 continues to wind the rest film, the film released from the unwinding wheel set 2 hangs down around the upper side of the second winding wheel 5, the end part of the film hanging down from the upper side of the second winding wheel 5 is connected through the ratchet assembly 8, the ratchet assembly 8 winds the end part of the film onto the second winding wheel 5, the film is wound from the first winding wheel 5 by the discharging mechanism, and the positions of the first winding wheel 5 and the second winding wheel 5 are exchanged by the turntable 4.

The tension adjusting mechanism is used for adjusting the tension of the film, and in some embodiments, the tension adjusting mechanism comprises a traction assembly, a swinging roller set and a floating roller set, which are arranged from upstream to downstream, the traction assembly is used for applying traction and/or tension to the film, the swinging roller set is used for adjusting the surface tension of the film, and the floating roller set is used for adjusting the tightness degree of the film. For some films with thicker thickness, such as PET films, the traction assembly and the swing roller set are used for providing surface tension of the films, so that the surface tension of the films is balanced, and in addition, a user of the traction assembly can also provide the traction function for the films according to actual conditions.

In order to provide a drawing assembly with a function of providing tension to the film, in some embodiments, the drawing assembly includes a first swing arm 311 disposed on the frame 1, a pressure roller 312 disposed on the first swing arm 311, and a first air cylinder 313 disposed on the frame 1, the first swing arm 311 is connected to the frame 1 through a rotating shaft, one end of the first air cylinder 313 is hinged to the frame 1, the other end of the first air cylinder 313 is hinged to the first swing arm 311, and the pressure roller 312 and the first swing arm 311 are relatively rotatable. In use, the first swing arm 311 is driven by the first air cylinder 313 to swing, so that the pressure roller 312 can tightly support the film, and optionally, when the first swing arm 311 swings upwards, the pressure roller 312 upwards supports against the bottom surface of the conveyed film sheet.

In order to provide the film with a traction assembly, in some embodiments, the traction assembly comprises a traction roller 314 and a motor, the traction roller 314 is disposed on the frame 1, the traction roller 314 is disposed between the pressure roller 312 and the oscillating roller set, and the motor drives the traction roller 314 to rotate. In use, the film is wound around the drawing roller 314, and the drawing roller 314 is driven to rotate by the motor, so that the film is pulled to move by the rotation of the drawing roller 314.

The swing roller group is used for adjusting the surface tension of a film, and in some embodiments, the swing roller group includes a second swing arm 321, two swing roller main bodies 322, and a second air cylinder 323, the two swing roller main bodies 322 are respectively connected to two ends of the second swing arm 321 through a rotating shaft, the middle part of the second swing arm 321 is connected to the frame 1 through a rotating shaft, two ends of the second air cylinder 323 are respectively connected to the second swing arm 321 and the frame 1, and the second air cylinder 323 drives the second swing arm 321 to swing. During use, the second cylinder 323 drives the second swing arm 321 to swing, and the middle portion of the second swing arm 321 is connected to the frame 1 through the rotating shaft, so that when the second swing arm 321 swings, the swing roller main bodies 322 at two ends of the second swing arm 321 correspondingly rotate around the rotating shaft, and preferably, the two swing roller main bodies 322 are symmetrically arranged. In some embodiments, after passing around the lower side of the pull roll 314, the film then passes in sequence through two dancer bodies 322, preferably two dancer bodies 322, in an up-down arrangement, such that the film can pass first over the upper side of the upper dancer body 322 and then over the lower side of the lower dancer body 322.

The floating roller group is used for adjusting the tightness degree of the film during winding to ensure that the film wound by the winding wheel 5 meets the desired setting, and in some embodiments, the floating roller group includes a driving motor, a second gear 331, a second gear 332, a slide rail 333, a slide block 334, and a floating roller 335, the floating roller 335 is provided with a plurality of rollers, the floating roller 335 is provided on the slide block 334, the floating roller 335 is provided in a front-back direction, the floating roller 335 and the slide block 334 are relatively rotatable, the second gear 332 and the slide rail 333 extend in a left-right direction, the second gear 331 is provided on the rack 1, the second gear 331 and the rack 1 are relatively rotatable, the second gear 331 engages with the second gear 332, the second gear 332 is fixed on the slide block 334, the slide rail 333 is fixed on the rack 1, the slide block 333 is connected with the slide rail 333 in a sliding fit manner, and all the winding wheels 5 are provided downstream of the floating roller. When the roller is used, a user can drive the second gear 331 to rotate through the driving motor, and the floating roller body 335 moves left and right under the meshing of the second gear 331 and the second rack 332. Optionally, the film is passed around the underside of floating roll 335, and then around the upper side of upstream take-up wheel 5.

This cutting assembly 6 is used to cut the film between the two winding wheels 5, said cutting assembly 6 comprising, in some embodiments: the device comprises a swing frame 61, a first press roller mechanism, a press roller 63 and a fly cutter mechanism; the swing frame 61 is arranged on the rack 1, the swing frame 61 and the rack 1 can swing relatively, and the axis of the swing frame 61 and the rack 1 rotating relatively extends forwards and backwards; the first pressure roller mechanism is arranged on the swing frame 61 and is used for pressing the film on the upstream winding wheel 5; the pressing wheel 63 is arranged at the downstream of the first pressing roller mechanism, the pressing wheel 63 is arranged on the swing frame 61, and the pressing wheel 63 is used for pressing a film between the two winding wheels 5; fly sword mechanism and set up on the rocker 61, fly sword mechanism sets up between first compression roller mechanism and pinch roller 63, fly sword mechanism be used for cutting first compression roller mechanism with film between the pinch roller 63. When the film is required to be cut, the swing frame 61 swings downwards, so that the pressing wheel 63 presses the film between the two winding wheels 5, the first pressing roller mechanism presses the film on the upstream winding wheel 5, the film between the first pressing roller mechanism and the pressing wheel 63 is tensioned, and the film between the first pressing roller mechanism and the pressing wheel 63 is cut through the fly cutter mechanism.

When the film is cut, the part for cutting is often concentrated on one cutting point on the saw blade assembly 643, and the abrasion at the cutting point is severe under long-term use, so that the quality of the film cut by the saw blade assembly 643 is affected, and the edge of the cut film is uneven, for this reason, in some embodiments, the fly cutter mechanism comprises a cutter frame, a front-back movement mechanism 642, the saw blade assembly 643, a transmission assembly and a sliding seat 645; the tool rest is fixed on the swing frame 61; the front-back movement mechanism 642 is arranged on the tool rest; the sliding seat 645 is arranged on the front-back movement mechanism 642, and the front-back movement mechanism 642 drives the sliding seat 645 to reciprocate along the front-back direction; the blade assembly 643 is disposed on the slide seat 645, the blade assembly 643 can rotate relative to the slide seat 645, and the blade assembly 643 is used for cutting a diaphragm; the transmission assembly is arranged on the tool post, and the transmission assembly drives the saw blade assembly 643 to rotate during the process that the forward-backward movement mechanism 642 drives the sliding seat 645 to move forward and backward. The transmission assembly drives the saw blade assembly 643 to rotate, so that the film is effectively prevented from being cut by the same cutting point after being used for a long time.

In order to rotate the blade body 6432, a motor is generally used in the prior art, but the motor generally has a large weight and volume, and occupies a large space, which results in a large volume of the whole device, and the large weight of the motor affects the flexibility of the forward-backward movement mechanism 642, for this reason, in some embodiments, the blade assembly 643 includes a shaft body 6433, a first gear 6431 and a blade body 6432, the shaft body 6433 is disposed on the sliding seat 645, the shaft body 6433 and the sliding seat 645 can rotate relatively, the first gear 6431 is mounted on the shaft body 6433, the blade body 6432 is mounted on the shaft body 6433, the transmission assembly includes a first rack 644 fixed on the frame 1, the first rack 644 extends in the forward-backward direction, and the first gear 6431 is meshed with the first rack 644. When the front movement mechanism drives the sliding seat 645 to move back and forth, under the meshing of the gear and the rack, the gear drives the shaft body 6433 to rotate, so that the saw blade main body 6432 coaxially rotates along with the shaft body 6433, and the problem of overlarge weight and volume caused by the adoption of a motor is solved.

In order to facilitate the winding of the slit film and make the slit of the slit film more straight, in some embodiments, the blade assembly 643 further includes a nut 6434 and a spring 6435, an external thread is provided on the shaft body 6433, the nut 6434 is connected with the external thread in a matching manner, the spring 6435 is disposed between the nut 6434 and the sliding seat 645, one end of the spring 6435 is connected with the nut 6434, the other end of the spring 6435 is connected with the sliding seat 645, the ratchet assembly 8 includes a limit block 81, and the lower end surface of the blade body 6432 is used for abutting against the limit block 81. After the swing frame 61 drives the saw blade assembly 643 to swing downwards, at this time, the lower end face of the saw blade main body 6432 abuts against the limiting block 81 to deform the spring 6435, the saw blade main body 6432 has a movement trend towards the limiting block 81 under the elastic force of the spring 6435, so that the saw blade main body 6432 abuts against the limiting block 81, the back-and-forth movement of the saw blade main body 6432 is guided by the limiting block 81, the influence on the quality of a film cut caused by vibration generated in the process that a movement mechanism drives the saw blade main body 6432 to move back and forth is avoided, in addition, the position where the film is cut is relatively close to the ratchet wheel assembly 8, after the film is cut, the cut end of the film naturally falls onto the limiting block 81, and the action of winding the film onto the winding wheel 5 is realized in the subsequent action.

In order to achieve higher precision, in some embodiments, the sliding seat 645 includes a seat body 6451, a sliding plate 6452 and a push rod 6453, the frame 1 is provided with a guide rail 6454, the sliding plate 6452 is in sliding fit with the guide rail 6454, the forward-backward movement mechanism 642 is in driving connection with the seat body 6451, the blade assembly 643 is arranged on the sliding plate 6452, the seat body 6451 is provided with a clamping gap, and the push rod 6453 is inserted into the clamping gap. The joint breach can set up a plurality ofly, and is preferred, and all joint breaches are arranged along the fore-and-aft direction, and push rod 6453 of single joint breach joint, the user can be according to the use needs of difference and change different joint breachs and carry out the joint cooperation to push rod 6453. Through the clamping gap and the push rod 6453, the direct connection between the front and back movement mechanism 642 and the sliding plate 6452 is avoided, and a gap is reserved in the clamping fit, so that the assembly error can be reserved, and the installation is convenient. Meanwhile, the clamping notch is matched with the push rod 6453 in a clamping mode, so that the assembly and disassembly are convenient. The precision of the movement of the slide 6452 is ensured by the guide 6454.

To facilitate the winding up of the film, in some embodiments, the first roller mechanism comprises: a first cross beam 621, a crank arm 622, a film pressing column 623 and a first film pressing cylinder 624; the first cross beam 621 is arranged on the swing frame 61; the crank arm 622 is disposed on the first cross member 621, the crank arm 622 and the first cross member 621 can rotate relatively, and the axis of the crank arm 622 and the first cross member 621 rotating relatively extends in the front-back direction; the film pressing column 623 is arranged on the crank arm 622; the fixed part of first press mold cylinder 624 articulates on first crossbeam 621, the movable part of first press mold cylinder 624 articulates crank arm 622, first press mold cylinder 624 is used for driving crank arm 622 swings. When the film needs to be cut and wound, after the swing frame swings downwards to enable the pressing wheel 63 to press the film between the two winding wheels 5, the first film pressing cylinder 624 drives the crank arm 622 to swing, and the film pressing column 623 on the crank arm 622 swings along with the swing of the crank arm 622, so that the film pressing column 623 presses the film on the winding wheels 5. Optionally, the lamination post 623 is used to compress the film on the lower right side of the upstream take-up wheel 5.

To further facilitate film windup, the first lamination mechanism further comprises a support arm 625, a lamination roller 626 and a second lamination cylinder 627; the support arm 625 is disposed on the first cross member 621, the support arm 625 and the first cross member 621 can rotate relatively, and an axis of the support arm 625 and the first cross member 621 rotating relatively extends in the front-back direction; the lamination roller 626 is disposed on the support arm 625; the fixed part of second press mold cylinder 627 articulates on first crossbeam 621, the movable part of second press mold cylinder 627 articulates support arm 625, second press mold cylinder 627 is used for driving support arm 625 swings, makes press mold roller 626 compress tightly the upper half's of wind-up wheel 5 film. When the film needs to be cut and rolled up, the second film pressing cylinder 627 drives the supporting arm 625 to swing, and the film pressing roller 626 on the supporting arm 625 swings along with the swing of the supporting arm 625, so that the film pressing roller 626 presses the film on the winding wheel 5.

The ratchet assembly 8 is used to roll the film onto the take-up reel 5, and to this end, in some embodiments, the ratchet assembly 8 comprises: a winding frame 82, a winding cylinder 83, a ratchet main body 84, a limiting block 81 and a driving device 85; the upper rolling frame 82 is arranged on the rack 1, and the upper rolling frame 82 and the rack 1 can rotate relatively; two ends of the winding cylinder 83 are respectively connected with the winding frame 82 and the rack 1, and the winding cylinder 83 is used for driving the winding frame 82 to swing; the ratchet body 84 is arranged on the upper roll frame 82, the axis of the ratchet body 84 extends in the front-back direction, the ratchet body 84 and the upper roll frame 82 can rotate relatively, and the ratchet body 84 is used for winding the film onto the winding wheel 5; the limiting block 81 is arranged beside the ratchet main body 84, the limiting block 81 is used for guiding the film which is cut and wound on the upstream and drooped from the upper side of the winding wheel 5, so that the film moves towards the top of the ratchet main body 84, and tooth grooves in the top of the ratchet main body 84 face the limiting block 81; the driving device 85 is disposed on the upper roll frame 82, and the driving device 85 drives the ratchet main body 84 to rotate. In the process of winding the film, the winding cylinder 83 drives the winding frame 82 to swing downwards, so that the influence of the ratchet body 84 and the limiting block 81 on the winding of the film is avoided, when the film needs to be cut, the winding cylinder 83 drives the winding frame 82 to swing upwards, the pressing roller assembly swings downwards, so that the limiting block 81 abuts against the end face of the saw blade body 6432, the upstream film cut by the saw blade assembly 643 bypasses the upper side of the winding wheel 5 at the upstream, the end part of the upstream film falls on the limiting block 81, under the guiding action of the limiting block 81, when the film is conveyed towards the downstream, the end part of the film moves towards the ratchet body 84, so that the film is inserted into the tooth groove of the upper part of the ratchet body 84 towards the limiting block 81, and under the rotation of the ratchet wheel and the winding wheel 5 in the opposite direction, the film is wound onto the winding wheel 5 by the ratchet wheel. For example, when the film is fed from left to right, the ratchet wheel is disposed below the upstream take-up wheel 5, and the upstream take-up wheel 5 rotates clockwise while the ratchet wheel rotates counterclockwise.

In order to realize the blanking of the film on the downstream winding wheel 5, in some embodiments, the blanking mechanism includes a gripper main body 72, a gripper arm 71, and a swing cylinder 73, the gripper arm 71 is disposed on the frame 1, the gripper arm 71 and the frame 1 can swing relatively, the gripper main body 72 is used for gripping the film roll on the downstream winding wheel 5, the swing cylinder 73 is disposed on the frame 1, and the swing cylinder 73 drives the gripper arm 71 to swing.

While the preferred embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that the present invention is not limited to the details of the embodiments shown and described, but is capable of numerous equivalents and substitutions without departing from the spirit of the invention as set forth in the claims appended hereto.

Claims

1. A film winder, includes frame (1), its characterized in that still includes:

the unwinding roller set is arranged on the rack (1) and is used for unwinding a film;

the tension adjusting mechanism is arranged at the downstream of the unwinding roller set and is used for adjusting the tension of the film;

the rotary table (4), the rotary table (4) is arranged at the downstream of the tension adjusting mechanism, the rotary table (4) is arranged on the rack (1), the rotary table (4) and the rack (1) can rotate relatively, and the axis of the rotary table (4) is arranged along the front-back direction;

the two winding wheels (5) are arranged, the two winding wheels (5) are respectively arranged on the turntable (4), and the axis of each winding wheel (5) extends in the front-back direction;

the cutting assembly (6) is arranged on the rack (1), and the cutting assembly (6) is used for cutting the film between the two winding wheels (5);

the ratchet wheel assembly (8) is arranged on the rack (1), and the ratchet wheel assembly (8) is used for winding up a sagging film after the upstream winding wheel (5) is cut by the cutting assembly (6);

the blanking mechanism is arranged on the rack (1) and used for blanking the film roll on the winding wheel (5) at the downstream.

2. The film winder of claim 1, wherein: the tension adjusting mechanism comprises a traction assembly, a swing roller set and a floating roller set, wherein the traction assembly, the swing roller set and the floating roller set are sequentially arranged from upstream to downstream, the traction assembly is used for applying traction force and/or tension to the film, the swing roller set is used for adjusting the surface tension of the film, and the floating roller set is used for adjusting the tightness of the film.

3. The film winder according to claim 2, characterized in that said traction assembly comprises a first swing arm (311) arranged on said frame (1), a pressure roller (312) arranged on said first swing arm (311), and a first air cylinder (313) arranged on said frame (1), said first swing arm (311) being connected to said frame (1) by a rotating shaft, one end of said first air cylinder (313) being hinged to said frame (1), the other end of said first air cylinder (313) being hinged to said first swing arm (311), said pressure roller (312) being relatively rotatable with respect to said first swing arm (311).

4. The film winder according to claim 3, characterized in that said traction assembly comprises a traction roller (314) and a motor, said traction roller (314) being arranged on said frame (1), said traction roller (314) being arranged between said pressure roller (312) and said oscillating roller set, said motor driving said traction roller (314) in rotation.

5. The film winder according to claim 2, wherein the swing roller group comprises a second swing arm (321), two swing roller bodies (322), and a second air cylinder (323), the two swing roller bodies (322) are respectively connected with two ends of the second swing arm (321) through a rotating shaft, the middle part of the second swing arm (321) is connected with the frame (1) through a rotating shaft, two ends of the second air cylinder (323) are respectively connected with the second swing arm (321) and the frame (1), and the second air cylinder (323) drives the second swing arm (321) to swing.

6. The film winder according to claim 2, wherein the set of dancers comprises a drive motor, a second gear (331), a second rack (332), a slide (333), a slider (334) and a dancer roller (335), wherein the dancer roller (335) is provided in a plurality of strips, wherein the dancer roller (335) is provided on the slider (334), wherein the dancer roller (335) is provided in a front-back direction, wherein the dancer roller (335) and the slider (334) are rotatable relative to each other, wherein the second rack (332) and the slide (333) extend in a left-right direction, wherein the second gear (331) is provided on a frame (1), wherein the second gear (331) and the frame (1) are rotatable relative to each other, wherein the second gear (331) engages the second rack (332), wherein the second rack (332) is fixed on the slider (334), wherein the slide (333) is fixed on the frame (1), wherein the slider (334) and the slide (333) are connected in a sliding fit, and wherein all of the dancer rollers (5) are provided downstream of the dancer roller.

7. The film winder according to claim 1, characterized in that said cutting assembly (6) comprises:

the swing frame (61) is arranged on the rack (1), the swing frame (61) and the rack (1) can swing relatively, and the axis of the swing frame (61) rotating relatively to the rack (1) extends forwards and backwards;

the first pressure roller mechanism is arranged on the swing frame (61) and is used for pressing a film on an upstream winding wheel (5);

the pressing wheel (63) is arranged at the downstream of the first pressing roller mechanism, the pressing wheel (63) is arranged on the swing frame (61), and the pressing wheel (63) is used for pressing a film between the two winding wheels (5);

fly cutter mechanism, fly cutter mechanism sets up on rocker (61), fly cutter mechanism sets up between first compression roller mechanism and pinch roller (63), fly cutter mechanism be used for cutting first compression roller mechanism with film between pinch roller (63).

8. The film winder of claim 7, wherein the fly cutter mechanism comprises:

the tool rest is fixed on the swing frame (61);

a forward and backward movement mechanism (642), the forward and backward movement mechanism (642) being provided on the tool post;

the sliding seat (645), the sliding seat (645) is arranged on the front-back movement mechanism (642), and the front-back movement mechanism (642) drives the sliding seat (645) to reciprocate along the front-back direction;

a blade assembly (643), the blade assembly (643) being disposed on the slide (645), the blade assembly (643) being rotatable relative to the slide (645), the blade assembly (643) being configured to cut a film sheet;

the transmission assembly is arranged on the tool rest and drives the saw blade assembly (643) to rotate in the process that the forward and backward movement mechanism (642) drives the sliding seat (645) to move forward and backward.

9. The film winder according to claim 8, wherein the blade assembly (643) comprises a shaft body (6433), a first gear (6431) and a blade body (6432), the shaft body (6433) is disposed on the slide carriage (645), the shaft body (6433) and the slide carriage (645) are relatively rotatable, the first gear (6431) is mounted on the shaft body (6433), the blade body (6432) is mounted on the shaft body (6433), the transmission assembly comprises a first rack (644) fixed on the frame (1), the first rack (644) extends in the front-rear direction, and the first gear (6431) and the first rack (644) are engaged with each other.

10. The film winder according to claim 9, wherein the saw blade assembly (643) further comprises a nut (6434) and a spring (6435), the shaft body (6433) is provided with an external thread, the nut (6434) is connected with the external thread in a matching manner, the spring (6435) is arranged between the nut (6434) and the sliding seat (645), one end of the spring (6435) is connected with the nut (6434), the other end of the spring (6435) is connected with the sliding seat (645), the ratchet assembly (8) comprises a limiting block (81), and the lower end face of the saw blade body (6432) is used for abutting against the limiting block (81).

11. The film winder according to claim 8, wherein the slide carriage (645) comprises a seat body (6451), a slide plate (6452) and a push rod (6453), a guide rail (6454) is arranged on the frame (1), the slide plate (6452) is in sliding fit with the guide rail (6454), the forward and backward movement mechanism (642) is in driving connection with the seat body (6451), the saw blade assembly (643) is arranged on the slide plate (6452), a clamping gap is arranged on the seat body (6451), and the push rod (6453) is inserted into the clamping gap.

12. The film winder of claim 7, wherein the first roller mechanism comprises: a first cross member (621), the first cross member (621) being disposed on the swing frame (61);

a crank arm (622), wherein the crank arm (622) is arranged on the first cross beam (621), the crank arm (622) and the first cross beam (621) can rotate relatively, and the axis of the relative rotation of the crank arm (622) and the first cross beam (621) extends along the front-back direction;

a pressing column (623), the pressing column (623) being disposed on the crank arm (622);

first press mold cylinder (624), the fixed part of first press mold cylinder (624) articulates on first crossbeam (621), the movable part of first press mold cylinder (624) is articulated crank arm (622), first press mold cylinder (624) are used for driving crank arm (622) swing.

13. The film winder according to claim 1, wherein the blanking mechanism comprises a gripper body (72), a gripper arm (71) and a swing cylinder (73), the gripper arm (71) is arranged on the frame (1), the gripper arm (71) and the frame (1) can swing relative to each other, the gripper body (72) is used for gripping a film roll on a downstream winding wheel (5), the swing cylinder (73) is arranged on the frame (1), and the swing cylinder (73) drives the gripper arm (71) to swing.

14. The film winder according to claim 1, characterized in that said ratchet assembly (8) comprises:

the upper rolling frame (82), the upper rolling frame (82) is arranged on the rack (1), and the upper rolling frame (82) and the rack (1) can rotate relatively;

the two ends of the winding cylinder (83) are respectively connected with the winding frame (82) and the rack (1), and the winding cylinder (83) is used for driving the winding frame (82) to swing;

a ratchet body (84), wherein the ratchet body (84) is arranged on the upper roll frame (82), the axis of the ratchet body (84) extends along the front-back direction, the ratchet body (84) and the upper roll frame (82) can rotate relatively, and the ratchet body (84) is used for winding the thin film onto the winding wheel (5);

the limiting block (81) is arranged on the side of the ratchet wheel main body (84), the limiting block (81) is used for guiding the film which is cut and then sags backwards around the upper side of the upstream winding wheel (5) so as to enable the film to move towards the top of the ratchet wheel main body (84), and the tooth grooves in the top of the ratchet wheel main body (84) face the limiting block (81);

the driving device (85) is arranged on the upper rolling frame (82), and the driving device (85) drives the ratchet wheel main body (84) to rotate.