CN219135917U

CN219135917U - Full-automatic rolling machine for low-tension film

Info

Publication number: CN219135917U
Application number: CN202223579332.9U
Authority: CN
Inventors: 何海潮; 曹勇
Original assignee: Suzhou Jwell Film Membrane Intelligent Equipment Co ltd
Current assignee: Suzhou Jwell Film Membrane Intelligent Equipment Co ltd
Priority date: 2022-12-31
Filing date: 2022-12-31
Publication date: 2023-06-06
Anticipated expiration: 2032-12-31

Abstract

The application discloses full-automatic rolling machine of low tension film includes: the rolling device comprises a frame and at least one rolling shaft; the cutting device is arranged at the upstream of the winding device and comprises a supporting frame, a swing arm driving piece and a cutter assembly used for cutting off the film; the floating press roll device comprises a moving bracket, a moving assembly, a floating roll and a low-friction cylinder, wherein the moving assembly drives the moving bracket to move on the supporting frame along the front-back direction, and the low-friction cylinder drives the floating roll to swing; the low-tension film full-automatic winding machine is provided with a friction winding mode in which a floating roller compresses a film on a winding shaft and a central winding mode in which a gap is formed between the floating roller and the winding shaft; be provided with the compression roller device that floats on the cutting device of this application, but this full-automatic rolling machine of low tension film switching friction rolling mode and center rolling mode are in order to adjust the elasticity of rolling, make film rolling be difficult to the wrinkling and not by the compaction when on the take-up shaft.

Description

Full-automatic rolling machine for low-tension film

Technical Field

The application relates to the technical field of film winding equipment, in particular to a full-automatic low-tension film winding machine.

Background

In order to be convenient for rolling films, full-automatic rolling machines capable of automatically cutting and automatically rolling appear in the market, films of different materials appear along with diversification of products, the types of the films rolled by the full-automatic rolling machines in the market are single, and when clients require different tightness degrees of film rolling because of different materials of the films, the full-automatic rolling machines cannot meet the requirements of the clients.

Disclosure of Invention

The purpose of this application is to solve among the prior art the problem that the winding machine can not adjust the elasticity of rolling film.

In order to achieve the above purpose, the present application adopts the following technical scheme: a full-automatic low-tension film winder, comprising:

the winding device comprises a frame and at least one winding shaft, and at least one winding shaft is rotatably arranged on the frame around the axis of the winding shaft;

the cutting device is arranged at the upstream of the winding device and comprises a supporting frame, a swing arm driving piece and a cutter assembly, wherein the cutter assembly is used for cutting off a film and is provided with a first position far away from the winding shaft and a second position close to the winding shaft on the supporting frame, and the swing arm driving piece is in transmission connection with the cutter assembly and the supporting frame so as to drive the cutter assembly to switch between the first position and the second position; and

the floating press roll device comprises a movable support, a movable assembly, a floating roll and a low-friction air cylinder, wherein the movable assembly is in transmission connection with the movable support to drive the movable support to move on the support frame in the front-back direction, and the low-friction air cylinder is in transmission connection between the floating roll and the movable support to drive the floating roll to swing;

the low-tension film full-automatic winding machine is provided with a friction winding mode and a central winding mode, and when the low-tension film full-automatic winding machine is in the friction winding mode, the floating roller compresses the film on the winding shaft; when the winding device is in the central winding mode, a gap is formed between the floating roller and the winding shaft.

In the above technical solution, it is further preferable that the winding device further includes a roll-over stand rotatably disposed on the frame around a center line, and at least one winding shaft is rotatably disposed on the roll-over stand.

In the above technical solution, it is further preferable that the cutting device further includes a transition roller and a pair of swing arms, the pair of swing arms being swingably hinged to the support frame about a first rotation line, the transition roller being rotatably disposed between the pair of swing arms about its own axis, each of the swing arms having a first end and a second end which are far from each other, the first end being hinged to the swing arm driving member, and both ends of the transition roller being rotatably connected to the second ends of the pair of swing arms, respectively; the cutter assembly is arranged between the pair of swing arms.

In the above technical solution, it is further preferable that the cutter assembly includes a blade, a cutter driving member and a guide rail, the blade is slidably disposed on the guide rail, and the cutter driving member is in transmission connection with the blade to drive the blade to move back and forth along the guide rail.

In the above technical solution, it is further preferable that the cutter driving member is a rodless cylinder.

In the above technical scheme, it is further preferable that the moving assembly comprises a moving guide rail, a sliding block, a driving gear, a rack and a driving motor, wherein the moving guide rail is arranged on the supporting frame, the sliding block is arranged on the moving support, the sliding block is in sliding connection with the moving guide rail, the driving gear is rotatably arranged on the supporting frame around the axis of the driving gear, the rack is arranged on the moving support, the rack is meshed with the driving gear, and the driving motor is in transmission connection with the driving gear to drive the driving gear to rotate.

In the above technical solution, it is further preferable that the floating roller device further includes a pair of swing arms, the pair of swing arms are swingably connected to the moving bracket around a second rotation line, the floating roller is rotatably connected between the pair of swing arms around its own axis, and the low friction cylinder is drivingly connected between the swing arms and the moving bracket.

In the above technical solution, it is further preferable that the swing arm is further provided with a correlation switch, and the correlation switch is in signal connection with the driving motor.

In the above technical solution, it is further preferable that the moving support is further provided with a tension roller for detecting the tension of the film.

Compared with the prior art, the application has the following beneficial effects:

the cutting device is provided with the floating press roller device, the low-tension film full-automatic winding machine can switch the friction winding mode and the central winding mode to adjust the winding tightness, and the floating roller moves forwards along with the increase of the winding diameter of the film, so that the film is not easy to wrinkle when being wound on the winding shaft, and meanwhile, the film cannot be compacted by the floating roller, so that the winding quality is improved; when a pair of swing arms swing towards the winding shaft and swing in place, the cutter assembly is close to the winding shaft, so that the beginning of a cut film is shorter, the film of the winding shaft positioned at a working station is convenient to roll, and waste caused by rolling is effectively reduced.

Drawings

Fig. 1 is a schematic perspective view of a full-automatic winder for low-tension films according to an embodiment of the present application;

FIG. 2 is a schematic view of a cutting device of the full-automatic low-tension film winder in FIG. 1 in a second position;

FIG. 3 is a schematic view of a cutting device of the full-automatic low-tension film winder in FIG. 1 in a first position;

FIG. 4 is a schematic perspective view of the floating roll apparatus of FIG. 1 disposed on a cutting apparatus;

FIG. 5 is a schematic view showing the structure of the floating roll apparatus of FIG. 4 disposed on a cutting apparatus;

fig. 6 is a schematic structural view of the floating roll apparatus of fig. 5.

Wherein: 1. a winding device; 11. a frame; 12. a roll-over stand; 13. a winding shaft; 2. a cutting device; 21. a support frame; 22. swing arms; 221. a first end; 222. a second end; 23. a cutter assembly; 231. a blade; 232. a cutter driving member; 233. a guide rail; 24. a swing arm driving member; 25. a transition roller; 3. a floating press roll device; 31. a movable support; 32. a moving assembly; 321. a moving guide rail; 322. a slide block; 323. a drive gear; 324. a rack; 33. a floating roller; 34. a swing arm; 35. a low friction cylinder; 36. a correlation switch; 4. a meter counter; 5. tension roller.

Detailed Description

In order to describe the technical content, constructional features, objects and effects of the application in detail, the technical solutions of the embodiments of the application will be described in conjunction with the accompanying drawings in the embodiments of the application, and it is apparent that the described embodiments are only some embodiments of the application, not all embodiments. In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a detailed description of various exemplary embodiments or implementations of the utility model. However, various exemplary embodiments may be practiced without these specific details or with one or more equivalent arrangements. Furthermore, the various exemplary embodiments may be different, but are not necessarily exclusive. For example, the specific shapes, configurations, and characteristics of the exemplary embodiments may be used or implemented in another exemplary embodiment without departing from the inventive concept.

Hereinafter, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present application, unless otherwise indicated, the meaning of "a plurality" is two or more.

As used herein, "upper", "lower", "left", "right", "front" and "rear" are in accordance with the upper, lower, left, right, front and rear illustrations of FIG. 1.

In the present application, unless explicitly specified and limited otherwise, the term "coupled" is to be construed broadly, and for example, "coupled" may be either fixedly coupled, detachably coupled, or integrally formed; can be directly connected or indirectly connected through an intermediate medium.

The embodiment of the application provides a full-automatic rolling machine of low tension film, as shown in fig. 1, this rolling machine includes coiling mechanism 1, cutting device 2 and floating compression roller device 3, and cutting device 2 is located the upper reaches of coiling mechanism 1, and the front side of coiling mechanism 1 promptly, and floating compression roller device 3 can follow the fore-and-aft direction and set up on cutting device 2 movably.

As shown in fig. 1 and 2, the winding device 1 comprises a frame 11, a roll-over stand 12, and a pair of winding shafts 13, wherein the roll-over stand 12 can rotate around a central line X ₁ Rotatably arranged on the frame 11, a pair of winding shafts 13 and a central line X ₁ In parallel, a pair of winding shafts 13 are rotatably provided on the roll-over stand 12 about their own axis, the winding device 1 has a working position close to the cutting device 2 and a non-working position away from the cutting device 2, one winding shaft 13 is located at the working position while the other winding shaft is located at the non-working position, and the roll-over stand 12 is located about the center line X ₁ When turning 180 deg., the positions of the two winding shafts 13 are interchanged. Center line X ₁ Extending along the left-right direction, the working station is positioned at the front side of the non-working station.

As shown in fig. 4 and 5, the cutting device 2 comprises a support frame 21, a swing arm driving member 24, a pair of swing arms 22, a cutter assembly 23 and a transition roller 25, wherein the pair of swing arms 22 are arranged oppositely left and right and can rotate around a center line X ₁ First parallel rotation line X ₂ Is swingably connected to the support frame 21,each swing arm 22 includes a first end 221 and a second end 222 that are distant from each other, a swing arm driver 24 is drivingly connected between the first ends 221 of the pair of swing arms 22 and the support frame 21, and a transition roller 25 is disposed between the pair of swing arms 22; the two ends of the transition roller 25 are respectively rotatably connected with the second ends 222 of the pair of swing arms 22, and the transition roller 25 is rotatably connected with the first rotation line X ₂ Parallel. The swing driving member 24 is used for driving the pair of swing arms 22 to rotate on the support frame 21 around the first rotation line X ₂ And (5) swinging. The cutter assembly 23 is disposed between the pair of swing arms 22, and when the pair of swing arms 22 swing, the cutter assembly 23 follows the swing arms 22 about the first rotation line X ₂ And (5) swinging.

The cutter assembly 23 includes a blade 231 for cutting a film, a cutter driver 232 drivingly connected to the blade 231, and a guide rail 233 extending in a left-right direction, the guide rail 233 being disposed between the pair of swing arms 22, the blade 231 being slidably disposed on the guide rail 233, the cutter driver 232 for driving the blade 231 to move back and forth along the guide rail 233 to cut the film. In this embodiment, the swing arm driver 24 is a linear cylinder and the cutter driver 232 is a rodless cylinder. As shown in fig. 2 and 3, the cutter assembly 23 has a first position and a second position, the swing arm drive 24 drives the cutter assembly 23 to switch between the first position and the second position, and when the cutter assembly 23 is in the first position, the transition roller 25 is located on the underside of the take-up shaft 13, and the blade 231 is away from the take-up shaft 13; when the cutter assembly 23 is in the second position, the transition roller 25 is positioned on the upper side of the take-up shaft 13 and the blade 231 is adjacent to the take-up shaft 13.

When the winding device 1 is used for changing a roll, the empty winding shaft 13 is turned over to a working station, the swing arm driving piece 24 drives the cutter assembly 23 to rotate from the first position to the second position, the transition roller 25 jacks up the film between the winding shaft 13 on the working station and the winding shaft 13 on the non-working station, and the blade 231 cuts off the film between the winding shaft 13 on the working station and the transition roller 25 under the driving of the cutter driving piece 232, so that the starting of the film on the winding shaft 13 on the working station is reduced, and the waste of the film is avoided.

The support frame 21 is further provided with an expanding roller, a traction roller and a meter counter 4, the film sequentially bypasses the expanding roller and the traction roller after entering the winding machine, the film enters the floating press roller device 3 after being drawn by the traction roller, the meter counter 4 is arranged near one of the traction rollers and is used for calculating the length of the film wound on the winding shaft 13, an operator presets the length of the film wound on the winding shaft 13 in a control system, and when the winding length of the winding shaft 13 reaches a preset value, the control system controls the winding device 1 to change the winding.

As shown in fig. 3 to 6, the floating roll apparatus 3 includes a moving bracket 31, a moving assembly 32 and a floating roll 33, the moving assembly 32 includes a moving rail 321, a slider 322, a driving gear 323, a rack 324 and a driving motor (not shown in the drawings), the moving rail 321 is provided on the supporting frame 21 to extend in the front-rear direction, the slider 322 is connected to the bottom of the moving bracket 31, and the slider 322 is cooperatively connected with the moving rail 321 so that the moving bracket 31 can move back and forth on the supporting frame 21; the cooperating connection of the slide 322 and the moving rail 321 causes the movement of the moving carriage 31 to have a guiding effect on the movement of the carriage 21. The driving gear 323 is engaged with the rack 324, and the driving motor drives the driving gear 323 to rotate around the axis line of the driving motor, and the rack 324 engaged with the driving gear 323 drives the movable support 31 to move in a front-rear direction.

The dancer 33 is rotated about a second axis of rotation X ₃ The swinging arm 34 is connected to the movable bracket 31, and a low friction air cylinder 35 is in transmission connection between the swinging arm 34 and the movable bracket 31. The low friction cylinder 35 is in signal connection with a driving motor, when the floating roller 33 swings forward under the action of external force, a piston rod of the low friction cylinder 35 connected to the swing arm 34 is pushed back forward, when the piston rod is pushed to the bottom in the cylinder body, the low friction cylinder 35 transmits a signal value to drive the rod motor, the driving motor drives the driving gear 323 to rotate, and the moving bracket 31 drives the floating roller 33 to move forward to be far away from the rolling shaft 13.

The full-automatic low-tension film winding machine is provided with a friction winding mode and a central winding mode, when the full-automatic low-tension film winding machine is in the friction winding mode, the film is tightly pressed on the winding shaft 13 of a working station by the floating roller 33, the floating roller 33 is in rolling friction contact with the winding shaft 13 on the working station, when the winding diameter of the film wound on the winding shaft 13 is gradually increased, the floating roller 33 is pushed forward by the film with the increased winding diameter, when the film wound on the winding shaft 13 reaches the length set by an operator, the driving motor drives the movable support 31 to move forward so as to be far away from the winding device 1, and the winding device 1 is matched with the cutting device 2 to finish winding replacement. When the full-automatic low-tension film winding machine is in a central winding mode, the floating roller 33 is close to the winding shaft 13, a gap for the film to pass through is formed between the floating roller 33 and the winding shaft 13, when the winding diameter of the film on the winding shaft 13 is gradually increased, the movable support 31 is driven by a driving motor to gradually move forward according to the gap between two adjacent teeth on the rack, the outer surface of the film wound on the floating roller 33 and the winding shaft 13 is always kept in the gap, the floating roller 33 is not in contact with the winding shaft 13, when the film wound on the winding shaft 13 reaches the length set by an operator, the movable support 31 is far away from the winding shaft 13 under the driving of the driving motor, and the winding device 1 is matched with the cutting device 2 to finish winding replacement.

The low-tension film full-automatic winding machine is switched to a friction winding mode and a center winding mode according to the demands of customers, when the customers have demands on the tightness of film winding, the full-automatic winding machine is switched to the friction winding mode, and the pressure of a low-friction cylinder 35 is regulated to enable a floating roller 33 to press the film on a winding shaft 13 to be different, so that winding with different tightness is realized; meanwhile, the low-friction air cylinder is flexible, so that the film is not easy to wrinkle during winding and up, and cannot be pressed too tightly. When the requirement of the customer on film rolling is not high, the full-automatic rolling machine is switched to a central rolling mode, a gap for the film to pass through is always kept between the floating roller 33 and the rolling shaft, the floating roller 33 limits the film in the gap between the floating roller 33 and the rolling shaft 13, and the film rolling machine has a guiding function.

The floating press roller device 3 further includes a correlation switch 36, the correlation switch 36 is mounted on the swing arm 34, the correlation switch 36 is in signal connection with a driving motor, the correlation switch 36 is used for detecting the distance between the floating roller 33 and the film on the winding shaft 13 in the center winding mode, when the correlation switch 36 detects that the film on the winding shaft 13 approaches the floating roller 33, the correlation switch 36 sends a signal to the driving motor, and the driving motor drives the moving bracket 31 to move one of the tooth gaps of the rack 324 backwards, so that a gap for the film to pass through is always kept between the floating roller 33 and the winding shaft 13.

The tension roller 5 is further arranged on the movable support 31, after the film introduced into the floating compression roller device 3 bypasses the tension roller 5, the film is wound on the winding shaft 13 positioned at a working station after bypassing the floating roller 33, the tension roller 5 detects the tension of the film during conveying on the movable support 31, the tension roller 5 transmits the detected tension value to the control system, the control system adjusts the winding speed of the winding shaft according to the received tension value, so that the winding device 1 keeps low-tension winding, the film is prevented from being deformed in a stretching way, the winding quality is improved, the linear speed of the winding shaft can reach 200m/min under the cooperation of the tension roller 5, the constant-tension high-speed winding is realized, and the winding quality and the winding speed are improved.

The working principle of the application is as follows: the film starts to be wound on the winding shaft 13 on the working station, the winding shaft 13 rotates around the axis of the film under the drive of the driver, the film is wound and wound by the winding shaft 13, when the full-automatic winding machine is in a central winding mode, the driving motor drives the floating roller 33 to keep a gap for the film to pass through with the winding shaft 13 on the working station all the time under the signal of the correlation switch 36 until the meter counter 4 detects that the length of film winding reaches a preset value, and the driving motor drives the floating roller 33 to be pulled away from the winding shaft 13; when the full-automatic winding machine is in the friction winding mode, the floating roller 33 compresses the film on the winding shaft on the working station, the floating roller 33 swings forwards along with the increase of the winding diameter of the film on the winding shaft until the length of the film wound on the winding shaft 13 reaches a preset value, the meter counter 4 transmits a signal to the driving motor, and the driving motor drives the movable support 31 to be far away from the winding device 1. After the winding shaft 13 of the working station is wound, the roll-over stand 12 of the winding device 1 turns 180 degrees, the full-wound winding shaft 13 turns from the working station to the non-working station, the empty-wound winding shaft 13 turns to the working station, the swing arm driving piece 24 drives the pair of swing arms 22 to swing towards the working station, after the swing arm driving piece 24 is driven in place, the transition roller 25 compresses part of the film on the empty-wound winding shaft 13 to enable the film to form a wrap angle with the winding shaft 13, the cutter driving piece 232 of the cutter assembly 23 drives the blade 231 to move back and forth to cut off the film, the swing arm driving piece 24 drives the pair of swing arms 22 to reset after the film is wound, the winding device 1 continues to wind, the full-wound winding shaft 13 on the non-working station is dismounted from the roll-over stand 12, and the empty-wound winding shaft 13 is replaced again.

The cutting device 2 is provided with the floating press roller device 3, the low-tension film full-automatic winding machine can switch a friction winding mode and a central winding mode to adjust the winding tightness, the floating roller 33 moves forward along with the increase of the winding diameter of the film, so that the film is not easy to wrinkle when being wound on the winding shaft 13, and meanwhile, the floating roller 33 can not compact the film, so that the winding quality is improved; when the pair of swing arms 22 swings towards the winding shaft 13 and swings in place, the cutter assembly 23 is close to the winding shaft 13, so that the start of the cut film is shorter, the film on the winding shaft at the working station is convenient to wind, and waste caused by winding is effectively reduced.

The foregoing has outlined and described the basic principles, main features and advantages of the present application. It will be appreciated by persons skilled in the art that the present application is not limited to the embodiments described above, and that the embodiments and descriptions described herein are merely illustrative of the principles of the application, and various changes and modifications may be made therein without departing from the spirit and scope of the application, which is defined in the appended claims, specification and their equivalents.

Claims

1. A full-automatic winder of low tension film, characterized by comprising:

the winding device (1) comprises a frame (11) and at least one winding shaft (13), wherein at least one winding shaft (13) is rotatably arranged on the frame (11) around the axis of the winding shaft;

the cutting device (2) is arranged at the upstream of the winding device (1), the cutting device (2) comprises a supporting frame (21), a swing arm driving piece (24) and a cutter assembly (23) used for cutting off a film, the cutter assembly (23) is provided with a first position far away from the winding shaft (13) and a second position close to the winding shaft (13) on the supporting frame (21), and the swing arm driving piece (24) is in transmission connection with the cutter assembly (23) and the supporting frame (21) so as to drive the cutter assembly (23) to switch between the first position and the second position; and

the floating press roll device (3) comprises a moving bracket (31), a moving assembly (32), a floating roll (33) and a low-friction air cylinder (35), wherein the moving assembly (32) is in transmission connection with the moving bracket (31) to drive the moving bracket (31) to move on the supporting frame (21) along the front-back direction, and the low-friction air cylinder (35) is in transmission connection between the floating roll (33) and the moving bracket (31) to drive the floating roll (33) to swing;

the low-tension film full-automatic winding machine is provided with a friction winding mode and a central winding mode, and when the low-tension film full-automatic winding machine is positioned in the friction winding mode, the floating roller (33) compresses the film on the winding shaft (13); when the winding device is in the central winding mode, a gap is formed between the floating roller (33) and the winding shaft (13).

2. The full-automatic low-tension film winding machine according to claim 1, wherein the winding device (1) further comprises a roll-over stand (12) rotatably arranged on the frame (11) around a center line, and at least one winding shaft (13) is rotatably arranged on the roll-over stand (12).

3. The full-automatic winder for low-tension films according to claim 1, wherein the cutting device (2) further comprises a transition roller (25) and a pair of swing arms (22), the pair of swing arms (22) being swingably hinged to the support frame (21) about a first rotation line, the transition roller (25) being rotatably disposed between the pair of swing arms (22) about its own axis, each swing arm (22) having a first end and a second end remote from each other, the first end being hinged to the swing arm driving member (24), the two ends of the transition roller (25) being rotatably connected to the second ends of the pair of swing arms (22), respectively; the cutter assembly (23) is arranged between the pair of swing arms (22).

4. A full automatic winder for low tension film according to claim 3, wherein the cutter assembly (23) comprises a blade (231), a cutter driving member (232) and a guide rail (233), the blade (231) is slidably disposed on the guide rail (233), and the cutter driving member (232) is in driving connection with the blade (231) to drive the blade (231) to move back and forth along the guide rail (233).

5. The full automatic low tension film winding machine as claimed in claim 4, wherein said cutter driving member (232) is a rodless cylinder.

6. The full-automatic rolling machine for the low-tension film according to claim 1, wherein the moving assembly (32) comprises a moving guide rail (321), a sliding block (322), a driving gear (323), a rack (324) and a driving motor, the moving guide rail (321) is arranged on the supporting frame (21), the sliding block (322) is arranged on the moving support (31), the sliding block (322) is slidably connected with the moving guide rail (321), the driving gear (323) is rotatably arranged on the supporting frame (21) around the axis of the driving gear (323), the rack (324) is arranged on the moving support (31), the rack (324) is meshed with the driving gear (323), and the driving motor is in transmission connection with the driving gear (323) to drive the driving gear (323) to rotate.

7. The full-automatic rolling machine for low-tension films according to claim 6, wherein the floating press roller device (3) further comprises a pair of swing arms (34), the pair of swing arms (34) are connected to the movable support (31) in a swinging manner around a second rotation line, the floating roller (33) is connected between the pair of swing arms (34) in a manner of rotating around the axis of the floating roller (33), and the low-friction air cylinder (35) is connected between the swing arms (34) and the movable support (31) in a transmission manner.

8. The full-automatic low-tension film winding machine according to claim 7, wherein an opposite-shot switch (36) is further arranged on the swing arm (34), and the opposite-shot switch (36) is in signal connection with the driving motor.

9. The full-automatic low-tension film winding machine according to claim 1, wherein the movable bracket (31) is further provided with a tension roller (5) for detecting the tension of the film.