CN210999057U

CN210999057U - PET film cutting mechanism

Info

Publication number: CN210999057U
Application number: CN201921678885.5U
Authority: CN
Inventors: 余伟
Original assignee: Shanghai Jinwu Industry Co ltd
Current assignee: Shanghai Jinwu Industry Co ltd
Priority date: 2019-10-09
Filing date: 2019-10-09
Publication date: 2020-07-14
Anticipated expiration: 2029-10-09

Abstract

The utility model discloses a PET film cutting mechanism, which comprises a base and a motor, wherein the upper surface of the base is fixedly connected with a protective cover, the upper surface of the base is fixedly connected with a fixed blade at equal intervals, two sides of the fixed blade are respectively provided with a conveying roller, and the conveying rollers are rotatably connected on the inner side wall of the protective cover; the inner side wall of the protective cover is rotatably connected with a winding mechanism, the winding mechanism is positioned on one side of the conveying roller, the motor is fixedly connected to the outer side wall of the protective cover, an output shaft of the motor is in transmission connection with the winding mechanism, a movable blade is arranged on the upper side of the winding mechanism, and the movable blade is elastically connected to the base; the utility model discloses not only can transversely cut the PET membrane, can carry out the rolling to the PET membrane after transversely cutting moreover and handle to cut the PET membrane after the rolling, saved manpower and time, it is convenient to have brought for the staff.

Description

PET film cutting mechanism

Technical Field

The utility model relates to a technical field is tailor to the PET membrane, specifically is a PET membrane cutting mechanism.

Background

The PET film is also named as a high-temperature resistant polyester film. The material has excellent physical performance, chemical performance, size stability, transparency and recoverability, and can be widely applied to the fields of magnetic recording, photosensitive materials, electronics, electrical insulation, industrial films, package decoration, screen protection, optical mirror surface protection and the like. And thereby PET membrane need be with its storage and the transportation of roll system PET membrane of being convenient for after production and processing, however current PET membrane cutting mechanism is difficult to roll up the PET membrane and handle, generally will roll up the PET membrane that makes and carry to cutting mechanism on through the manual work or with the help of the instrument and tailor, because it is thicker to roll up its thickness of the PET membrane that makes, increased the weight of the PET membrane after rolling up, increased the transport degree of difficulty, not only consumed the manpower, and also consumed time, brought the inconvenience for the staff, we propose a PET membrane cutting mechanism for this reason and be used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a PET membrane cutting mechanism to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a PET film cutting mechanism comprises a base and a motor, wherein a protective cover is fixedly connected to the upper surface of the base, fixed blades are fixedly connected to the upper surface of the base at equal intervals, conveying rollers are arranged on two sides of each fixed blade, and the conveying rollers are rotatably connected to the inner side wall of the protective cover;

rotate on the inside wall of protection casing and be connected with winding mechanism, and winding mechanism is located one side of conveying roller, motor fixed connection is on the lateral wall of protection casing, and the output shaft and the winding mechanism transmission of motor are connected, winding mechanism's upside sets up movable blade, movable blade elastic connection is on the base.

Preferably, rotation shafts which are arranged in an up-and-down symmetrical mode are arranged on two sides of the fixed blade, the conveying rollers are fixedly connected to the rotation shafts, and two end portions of each rotation shaft are rotatably connected to the side wall of the protective cover and penetrate through the protective cover.

Preferably, the winding mechanism comprises a connecting shaft, a plurality of winding drums are sleeved on the connecting shaft, and one end of the connecting shaft is connected to an output shaft of the motor in a clamping mode.

Preferably, the connecting shaft is fixedly connected with an annular plate, and the side wall of the annular plate is fixedly connected with a first limiting plate which is symmetrically arranged relative to the connecting shaft;

the holding tank has been seted up to motor output shaft's a terminal surface, all set up the bar groove that the symmetry set up on the lateral wall of holding tank and the inside wall of receipts reel, first limiting plate is located the bar inslot.

Preferably, an arc groove is seted up to an end face of protection casing, the relative lateral part of arc groove is the opening form, the one end that the motor was kept away from to the connecting axle is located the bottom of arc groove and extends to the outside of protection casing.

Preferably, the lower terminal surface equidistance of movable blade is provided with the cutting tooth, and the equal fixedly connected with connecting rod of both ends face of movable blade, the lower tip fixedly connected with second limiting plate of connecting rod, the upper surface of second limiting plate contacts with winding mechanism's lower surface, the second limiting plate passes through the upper surface of spring elastic connection at the base.

Preferably, the lower fixed surface of second limiting plate is connected with the gag lever post, the lower extreme of gag lever post runs through the base and extends to the downside of base, and the spring housing establishes on the gag lever post, the upper end fixed connection of spring is at the lower surface of second limiting plate, the lower extreme fixed connection of spring is at the upper surface of base.

Compared with the prior art, the beneficial effects of the utility model are that: the PET film is convenient to transversely cut by arranging the fixed blades on the base at equal intervals, the transversely cut PET film is convenient to wind by arranging the plurality of winding drums on one side of the fixed blades, the wound PET film is convenient to longitudinally cut by arranging the movable blades on the upper sides of the winding drums, the downward movement of the movable blades is convenient to control by arranging the limiting plates on the lower sides of the movable blades, and the position of the movable blades can be restored by the tension of the springs by arranging the springs on the limiting plates; the PET film cutting mechanism can transversely cut the PET film, can roll the transversely cut PET film and cut the rolled PET film, saves labor and time and brings convenience to workers.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a schematic view of the front internal structure of the present invention;

FIG. 3 is a schematic diagram of the right internal structure of the present invention;

FIG. 4 is a schematic view of a portion of the enlarged structure at A in FIG. 3;

FIG. 5 is a schematic view of a three-dimensional connection structure of the winding drum and the annular plate of the present invention;

fig. 6 is the utility model discloses the three-dimensional connection structure schematic diagram of well movable blade and second limiting plate.

In the figure: the automatic winding machine comprises a base 1, a motor 2, a 21 accommodating groove, a 3 protective cover, a 31 arc-shaped groove, a 4 fixed blade, a 5 conveying roller, a 6 winding mechanism, a 61 connecting shaft, a 611 annular plate, a 612 first limiting plate, a 62 winding drum, a 621 strip-shaped groove, a 7 movable blade, 71 cutting teeth, a 72 connecting rod, a 73 second limiting plate, a 731 limiting rod, a 74 spring and an 8 rotating shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a PET film cutting mechanism comprises a base 1 and a motor 2, the working principle and the structure of the motor 2 are the prior art, detailed description is omitted, a protective cover 3 is fixedly connected to the upper surface of the base 1, fixed blades 4 are fixedly connected to the upper surface of the base 1 at equal intervals, conveying rollers 5 are arranged on two sides of each fixed blade 4, the conveying rollers 5 are rotatably connected to the inner side wall of the protective cover 3, the blade edge parts of the fixed blades 4 are arranged upwards, the fixed blades 4 are matched with the conveying rollers 5, the PET films conveyed by the conveying rollers 5 can be conveniently cut, the conveying rollers 5 are two groups, one group is two, and the two groups are symmetrically arranged, so that the PET films can be conveniently conveyed to the inside of the protective cover 3;

rotate on the inside wall of protection casing 3 and be connected with winding mechanism 6, and winding mechanism 6 is located one side of conveying

roller

5, 2 fixed connection of motor are on the lateral wall of protection casing 3, and the output shaft and the 6 transmission of winding mechanism of motor 2 are connected, the upside of winding mechanism 6 sets up

movable blade

7, 7 elastic connection of movable blade are on base 1, the cutting edge part of movable blade 7 sets up down, and movable blade 7 is located between winding mechanism 6 and the conveying roller 5, be convenient for cut the PET membrane that the coiling finished on the winding mechanism 6.

The both sides of fixed blade 4 all are equipped with axis of rotation 8 that the longitudinal symmetry set up, and 5 fixed connection of conveying roller are in axis of rotation 8, and the both ends of axis of rotation 8 rotate to be connected on the lateral wall of protection casing 3 and run through

protection casing

3, and 5 rotation connections of conveying roller of being convenient for are on the inside wall of protection casing 3.

The winding mechanism 6 comprises a connecting shaft 61, a plurality of winding drums 62 are sleeved on the connecting shaft 61, one end of the connecting shaft 61 is connected to an output shaft of the motor 2 in a clamping mode, and the PET film can be wound conveniently through the winding drums 62.

The connecting shaft 61 is fixedly connected with an annular plate 611, and the side wall of the annular plate 611 is fixedly connected with first limiting plates 612 which are symmetrically arranged relative to the connecting shaft 61;

holding tank 21 has been seted up to the terminal surface of the 2 output shafts of motor, all sets up the bar groove 621 that the symmetry set up on the lateral wall of holding tank 21 and the inside wall of winding drum 62, and first limiting plate 612 is located bar groove 621, and the connecting axle 61 joint of being convenient for is on the output shaft of motor 2, through the restriction of bar groove 621 with first limiting plate 612 to make the output shaft of motor 2 drive the rotation of two rings 61, drive the rotation of winding drum 62 again.

Arc recess 31 has been seted up to a terminal surface of protection casing 3, and the relative lateral part of arc recess 31 is the opening form, and the one end that motor 2 was kept away from to connecting axle 61 is located the bottom of arc recess 31 and extends to the outside of protection casing 3, and the one end downwarping of arc recess 31 prevents that connecting axle 61 from rotating the in-process again through arc recess 31 landing.

Lower terminal surface equidistance of movable blade 7 is provided with cutting tooth 71, and the equal fixedly connected with connecting rod 72 of both ends face of movable blade 7, the lower tip fixedly connected with second limiting plate 73 of connecting rod 72, the upper surface of second limiting plate 73 contacts with the lower surface of winding mechanism 6, second limiting plate 73 passes through spring 74 elastic connection at the upper surface of base 1, the upper surface of second limiting plate 73 contacts with the lower surface of winding drum 62, make the PET membrane of coiling on the winding drum 62 extrude second limiting plate 73 downwards, thereby drive moving down of movable blade 7, be convenient for movable blade 7 cuts the PET membrane.

The lower surface fixedly connected with gag lever post 731 of second limiting plate 73, the lower extreme of gag lever post 731 runs through base 1 and extends to the downside of base 1, and the spring 74 cover is established on gag lever post 731, the upper end fixed connection of spring 74 is at the lower surface of second limiting plate 73, the lower extreme fixed connection of spring 74 is on the upper surface of base 1, the second limiting plate 73 elastic connection of being convenient for is on base 1, and gag lever post 731 can restrict the removal of second limiting plate 73 looks side.

The working principle is as follows: in the use process of the utility model, the wire on the motor 2 is connected with the power supply, one end of the PET film passes through the two conveying rollers 5 which are arranged up and down and is wound on the winding drum 62, when the PET film passes through the fixed blade 4, the fixed blade 4 transversely cuts the PET film, when the motor 2 works, the output of the motor 2 drives the connection 61 to rotate through the matching of the strip-shaped groove 621 and the first limiting plate 612, and then drives the winding drum 62 to rotate, so that the winding drum 62 winds the cut PET film, and along with the increase of the thickness of the PET film wound on the winding drum 62, the second limiting plate 73 is downwards extruded, along with the downward movement of the position of the second limiting plate 73, the movable blade 7 is driven to downwards move, when the cutting teeth 71 on the movable blade 7 are contacted with the PET film, the PET film is longitudinally cut, thereby realizing the cutting and winding of the PET film, bring convenience for the staff, will connect the one side pulling of arc recess 31 on 61 looks protection casings 3 again for connect the output on motor 2 is broken away from to 61, take out connecting axle 61 again, keep away from the one side of annular plate 611 in proper order mutually with the winding drum 62 that has the PET membrane of coiling on connecting axle 61 and promote and take off winding drum 62, will establish in proper order on connecting axle 61 for the winding drum 6 that has the PET membrane of coiling again, install connecting axle 61 on the output shaft of motor 2 again, and is easy and simple to handle.

"fixedly connected" as described in the present invention means that two parts connected to each other are fixed together, typically by welding, screwing or gluing; "rotationally coupled" means that two components are coupled together and capable of relative motion.

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

Claims

1. The utility model provides a PET membrane cutting mechanism, includes base (1) and motor (2), its characterized in that: the upper surface of the base (1) is fixedly connected with a protective cover (3), fixed blades (4) are fixedly connected to the upper surface of the base (1) at equal intervals, conveying rollers (5) are arranged on two sides of each fixed blade (4), and the conveying rollers (5) are rotatably connected to the inner side wall of the protective cover (3);

rotate on the inside wall of protection casing (3) and be connected with winding mechanism (6), and winding mechanism (6) are located one side of conveying roller (5), motor (2) fixed connection is on the lateral wall of protection casing (3), and the output shaft and the winding mechanism (6) transmission of motor (2) are connected, the upside of winding mechanism (6) sets up movable blade (7), movable blade (7) elastic connection is on base (1).

2. The PET film cutting mechanism according to claim 1, wherein: the both sides of fixed blade (4) all are equipped with axis of rotation (8) that the longitudinal symmetry set up, conveying roller (5) fixed connection is on axis of rotation (8), and the both ends of axis of rotation (8) rotate to be connected on the lateral wall of protection casing (3) and run through protection casing (3).

3. The PET film cutting mechanism according to claim 1, wherein: winding mechanism (6) are including connecting axle (61), the cover is equipped with a plurality of receipts spool pieces (62) on connecting axle (61), the one end joint of connecting axle (61) is on the output shaft of motor (2).

4. The PET film cutting mechanism according to claim 3, wherein: the connecting shaft (61) is fixedly connected with an annular plate (611), and the side wall of the annular plate (611) is fixedly connected with first limiting plates (612) symmetrically arranged relative to the connecting shaft (61);

holding tank (21) have been seted up to a terminal surface of motor (2) output shaft, all set up bar groove (621) that the symmetry set up on the lateral wall of holding tank (21) and the inside wall of receipts reel (62), first limiting plate (612) are located bar groove (621).

5. The PET film cutting mechanism according to claim 3, wherein: arc recess (31) have been seted up to a terminal surface of protection casing (3), the relative lateral part of arc recess (31) is the opening form, the one end that motor (2) were kept away from in connecting axle (61) is located the bottom of arc recess (31) and extends to the outside of protection casing (3).

6. The PET film cutting mechanism according to claim 1, wherein: the lower terminal surface equidistance of activity blade (7) is provided with cutting tooth (71), and the equal fixedly connected with connecting rod (72) of both ends face of activity blade (7), the lower tip fixedly connected with second limiting plate (73) of connecting rod (72), the upper surface of second limiting plate (73) contacts with the lower surface of winding mechanism (6), second limiting plate (73) are through the upper surface of spring (74) elastic connection at base (1).

7. The PET film cutting mechanism according to claim 6, wherein: the lower surface fixedly connected with gag lever post (731) of second limiting plate (73), the lower extreme of gag lever post (731) runs through base (1) and extends to the downside of base (1), and spring (74) cover establishes on gag lever post (731), the upper end fixed connection of spring (74) is at the lower surface of second limiting plate (73), the lower extreme fixed connection of spring (74) is at the upper surface of base (1).