CN219095215U

CN219095215U - Membrane cutting device

Info

Publication number: CN219095215U
Application number: CN202223432784.4U
Authority: CN
Inventors: 李齐波; 曹常华; 王展博; 马德瑞; 戴小忠
Original assignee: Lushan New Materials Yancheng Co ltd
Current assignee: Lushan New Materials Yancheng Co ltd
Priority date: 2022-12-21
Filing date: 2022-12-21
Publication date: 2023-05-30
Anticipated expiration: 2032-12-21

Abstract

The utility model discloses a film cutting device which comprises a frame, wherein a discharging roller is rotationally connected to the lower end of the frame, a first roller is rotationally connected to the upper portion of the frame, a cutting table is connected to the upper portion of the frame, the top surface of the cutting table is leveled with the top surface of the first roller, two side plates are connected to the upper end of the frame, two transverse plates are connected between the two side plates, a pressing mechanism is arranged on each transverse plate, a screw rod transmission mechanism is connected to the two side plates, the screw rod transmission mechanism is located between the two transverse plates, a sliding seat is connected to the screw rod transmission mechanism in a transmission manner, a first cylinder is connected to the bottom surface of the sliding seat, external threads are arranged on the outer wall of the telescopic end of the first cylinder, and a cutting knife is connected through the external threads. Through setting up hold-down mechanism in the cut point both sides of membrane, can prevent that the membrane from shifting when cutting, improve and cut the quality, also can prevent that the membrane from cutting back to blowing roller one side shrink to can pull the membrane to cutting knife department fast when cutting next time, improve and cut efficiency.

Description

Membrane cutting device

Technical Field

The utility model relates to the technical field of film cutting, in particular to a film cutting device.

Background

The optical film is used as a key material in the electronic communication industry and has the characteristics of high surface finish, high light transmittance, low haze, small thickness tolerance and the like.

While optical films generally require reasonable stretching during processing, optical films are cut before and after stretching. At present, most of film cutting modes exist, one of the modes is to cut the side edge of the film, and the film can be pulled to be continuously conveyed forwards by driving a discharging roller in the cutting process without compacting the film; the other is to cut the film completely, and when the film is cut completely, if two sides of the cutting point of the film are not fixed, on one hand, the film is shifted during cutting, the cutting quality is affected, on the other hand, when the film is cut, the film near one side of the discharging roller can rebound towards the discharging roller, and when the film is cut next time, the film is difficult to be leveled, and one-time cutting is not facilitated.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a film cutting device, which can fix two sides of a cutting point at the same time during cutting.

In order to solve the technical problems, the utility model provides the following technical scheme:

the utility model provides a membrane cutting device, includes the frame, the lower extreme rotation of frame is connected with the blowing roller, the upper portion rotation of frame is connected with first roller, first roller is located the top of blowing roller, the upper portion of frame is connected with cuts the platform, it is leveled with the top surface of first roller to cut the top surface of platform, the upper end of frame is connected with both sides board, two be connected with two diaphragms between the curb plate, all be equipped with hold-down mechanism on two diaphragms, two be connected with lead screw drive mechanism on the curb plate, lead screw drive mechanism is located between two diaphragms, the last transmission of lead screw drive mechanism is connected with the slide, the bottom surface of slide is connected with first cylinder, the outer wall of the flexible end of first cylinder is equipped with the external screw thread to have the cutting knife through external screw thread threaded connection.

According to the technical scheme, the film is released through the discharging roller, the film is pulled on the cutting table after being wound by the first roller, the film is tightly pressed on the cutting table through the two pressing mechanisms, then the first cylinder is controlled to extend, the cutting knife is driven to descend and contact with the film, and the screw rod transmission mechanism works to drive the sliding seat and the cutting knife on the sliding seat to transversely move so as to completely cut the film.

Preferably, the pressing mechanism comprises a second air cylinder fixed on the transverse plate, the telescopic end of the second air cylinder penetrates through the transverse plate and is connected with a pressing rod, and the bottom surface of the pressing rod is arc-shaped.

According to the technical scheme, the second air cylinder is controlled to extend to drive the pressure rod to descend, the film is tightly pressed on the cutting table through the pressure rod, the bottom surface of the pressure rod is arc-shaped, and damage to the film caused by the pressure rod can be prevented.

Preferably, a first groove matched with the bottom surface of the pressing rod is formed below the pressing rod on the cutting table, and a second groove matched with the cutting knife is formed below the cutting knife on the cutting table.

Above-mentioned technical scheme through setting up first recess on cutting the bench, the depression bar presses the membrane in first recess, can further improve and compress tightly the effect, through setting up the second recess on cutting the bench, can avoid cutting the cutter cut time with cut bench direct contact, reduce the wearing and tearing of cutting the cutter.

Preferably, one end of the cutting table far away from the first roller is rotationally connected with the second roller, a third roller is rotationally connected below the second roller on the frame, one end of the third roller is connected with a driven wheel, a speed reducing motor is arranged on the frame, a transmission shaft is connected to the speed reducing motor through a coupling in a transmission mode, a driving wheel is connected to the transmission shaft, and the driven wheel is connected with the driving wheel through a transmission belt.

According to the technical scheme, after the cutting is finished, the film can be manually pulled, so that the film winds around the second roller and then is wound on the third roller, and the speed reducing motor is started again to drive the third roller to rotate so as to pull the film for the next cutting.

Preferably, the screw rod transmission mechanism comprises a screw rod rotationally connected to the two side plates through a bearing, a guide rod connected to the two side plates, and a motor arranged on one side plate and connected with the screw rod in a transmission manner, wherein two sliding holes are formed in the sliding seat and are slidably connected to the guide rod through the sliding holes, and the sliding seat is in threaded connection with the screw rod.

According to the technical scheme, when the position of the cutting knife needs to be adjusted, the motor is controlled to work to drive the screw rod to rotate, and the sliding seat is driven to slide along the guide rod in the rotating process of the screw rod, so that the cutting knife is driven to move.

Compared with the prior art, the utility model has the following beneficial effects:

through setting up hold-down mechanism in the cut point both sides of membrane, can prevent that the membrane from shifting when cutting, improve and cut the quality, also can prevent that the membrane from cutting back to blowing roller one side shrink to can pull the membrane to cutting knife department fast when cutting next time, improve and cut efficiency.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a top view of the side plates, cross plates, and screw drive mechanism;

in the figure: the automatic cutting machine comprises a 1-frame, a 2-discharging roller, a 3-first roller, a 4-cutting table, a 5-side plate, a 6-transverse plate, a 7-sliding seat, an 8-first cylinder, a 9-cutting knife, a 10-second cylinder, an 11-compression bar, a 12-first groove, a 13-second groove, a 14-second roller, a 15-third roller, a 16-driven wheel, a 17-speed reducing motor, a 18-driving wheel, a 19-screw rod, a 20-guide rod and a 21-motor.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, a film cutting device comprises a frame 1, the lower extreme of frame 1 rotates and is connected with blowing roller 2, the upper portion of frame 1 rotates and is connected with first roller 3, first roller 3 is located the top of blowing roller 2, the upper portion of frame 1 is equipped with cuts platform 4, cut the top surface of platform 4 and the top surface of first roller 3 are leveled, the upper end of frame 1 is connected with both sides board 5, two be connected with two diaphragms 6 between the curb plate 5, all be equipped with hold-down mechanism on two diaphragms 6, specifically, hold-down mechanism is including being fixed in the second cylinder 10 on diaphragm 6, the flexible end of second cylinder 10 is passed and is passed the end by diaphragm 6 and is connected with depression bar 11, the bottom surface of depression bar 11 is convex, the top surface that is located the below of depression bar 11 on cutting platform 4 is equipped with the first recess 12 with depression bar bottom surface complex, and after the depression bar 11 is driven to descend to extend to the second cylinder 10, the bottom surface of depression bar 11 sticiss the membrane in first recess 12, prevents that the depression bar from also to take on the arc shape to take on the bottom surface of depression bar 11.

The two side plates 5 are connected with a screw transmission mechanism, the screw transmission mechanism is located between the two transverse plates 6, and specifically, the screw transmission mechanism comprises a screw rod 19 connected to the two side plates in a rotating mode through a bearing, a guide rod 20 connected to the two side plates, and a motor 21 arranged on one side plate and connected with the screw transmission mechanism, the screw rod 19 is connected with a sliding seat 7 in a threaded mode, two sliding holes are formed in the sliding seat 7, and the screw rod is connected to the guide rod 20 in a sliding mode through the sliding holes. The motor 21 works to drive the screw rod 19 to rotate, and the screw rod 19 drives the slide seat to move on the guide rod 20 in the rotating process of the screw rod 19 so as to adjust the position of the slide seat 7.

The bottom surface of slide 7 is connected with first cylinder 8, the outer wall of the flexible end of first cylinder 8 is equipped with the external screw thread to have the cutting knife 9 through external screw thread threaded connection, be located cutting knife 9's below on cutting table 4 and be equipped with cutting knife complex second recess 13, through setting up second recess 13 on cutting table, can prevent that cutting knife 9 from cutting the time direct with cutting table 4 contact, reduce the wearing and tearing of cutting knife.

The one end that cutting platform 4 kept away from first roller 3 rotates and is connected with second roller 14, be located the below rotation of second roller 14 on frame 1 and be connected with third roller 15, the one end of third roller 15 is connected with from driving wheel 16, be equipped with gear motor 17 on the frame 1, be connected with the transmission shaft through the shaft coupling transmission on the gear motor 17, be connected with action wheel 18 on the transmission shaft, from driving wheel 16 and action wheel 18 through the drive belt connection.

The working principle of the utility model is as follows:

the film is released through the discharging roller 2, the film is paved on the cutting table 4 after being bypassed by the first roller 3, the compression bar 11 is driven to descend by controlling the extension of the two second cylinders 10, the film is tightly pressed in the first groove 12 of the cutting table 4, then the first cylinder 8 is controlled to extend, the cutting knife 9 is driven to descend and contact with the film, the sliding seat 7 and the cutting knife 9 on the sliding seat are driven to transversely move through the operation of the screw rod transmission mechanism so as to completely cut the film, when the cutting is finished, the film can be manually pulled to be uncut, the film is wound on the third roller 15 after bypassing the second roller 14, and then the speed reducing motor 17 is started to drive the third roller 15 to rotate so as to pull the film for cutting next time.

It should be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A film cutting device, characterized in that: including frame (1), the lower extreme rotation of frame (1) is connected with blowing roller (2), the upper portion rotation of frame (1) is connected with first roller (3), first roller (3) are located the top of blowing roller (2), the upper portion of frame (1) is equipped with cuts platform (4), the top surface of cutting platform (4) is leveled with the top surface of first roller (3), the upper end of frame (1) is connected with both sides board (5), two be connected with two diaphragms (6) between curb board (5), all be equipped with hold-down mechanism on two diaphragms (6) be connected with screw drive mechanism on curb board (5), screw drive mechanism is located between two diaphragms (6), the last transmission of screw drive mechanism is connected with slide (7), the bottom surface of slide (7) is connected with first cylinder (8), the outer wall of the flexible end of first cylinder (8) is equipped with the external screw thread to cut out and be connected with through external screw thread (9).

2. The film cutting device according to claim 1, wherein: the compressing mechanism comprises a second air cylinder (10) fixed on the transverse plate (6), the telescopic end of the second air cylinder (10) penetrates through the transverse plate (6) and is connected with a compression rod (11), and the bottom surface of the compression rod (11) is arc-shaped.

3. The film cutting device according to claim 2, wherein: the cutting table (4) is provided with a first groove (12) matched with the bottom surface of the pressing rod below the pressing rod (11), and a second groove (13) matched with the cutting knife is arranged below the cutting knife (9) below the cutting table (4).

4. A film cutting device according to claim 3, wherein: one end that first roller (3) was kept away from to cutting platform (4) rotates and is connected with second roller (14), the below rotation that is located second roller (14) on frame (1) is connected with third roller (15), the one end of third roller (15) is connected with from driving wheel (16), be equipped with gear motor (17) on frame (1), be connected with the transmission shaft through the shaft coupling transmission on gear motor (17), be connected with action wheel (18) on the transmission shaft, from driving wheel (16) and action wheel (18) through the drive belt connection.

5. The film cutting device according to any one of claims 1-4, wherein: the screw rod transmission mechanism comprises a screw rod (19) connected to the two side plates through bearings in a rotating mode, a guide rod (20) connected to the two side plates, and a motor (21) arranged on one side plate and connected with the screw rod in a transmission mode, wherein two sliding holes are formed in the sliding seat (7) and are connected to the guide rod (20) through the sliding holes in a sliding mode, and the sliding seat (7) is in threaded connection with the screw rod (19).