CN114368143B

CN114368143B - Cold laminating machine for high-precision film cutting

Info

Publication number: CN114368143B
Application number: CN202111664855.0A
Authority: CN
Inventors: 曾志涛; 胡可柱; 陈志方
Original assignee: Foshan Gaoming Foundation Cold Rolled Steel Sheets Industry Co ltd
Current assignee: Foshan Gaoming Foundation Cold Rolled Steel Sheets Industry Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2023-09-19
Anticipated expiration: 2041-12-30
Also published as: CN114368143A

Abstract

The application discloses a cold film laminating machine for high-precision film cutting, which comprises a frame; a conveying device having a conveying surface thereon; the film covering device is arranged on the frame and provided with a film covering gap, and the conveying surface passes through the film covering gap; cutting structure, it is located the transport low reaches of transport face for tectorial membrane device, cutting structure includes the installation car, the installation car slides and sets up in the frame, the transport direction of two installation cars perpendicular to transport face sets up with the interval horizontally, the installation car can be followed the orbit of the transport direction of perpendicular to transport face and slided, be equipped with simultaneously on the installation car and hold in the palm the membrane piece, two hold in the palm the membrane piece and enclose in the both sides of transport face, the top surface that holds in the palm the membrane piece is the cutting plane, the cutting plane is higher than the transport face, hold in the palm and be equipped with the cutting knife on the membrane piece, the cutting knife is located the top of cutting plane, the cutting edge of cutting knife extends towards the cutting plane downwards, guarantee to surpass the film of belted steel part can directly stretch into on the cutting plane, and hold in the membrane piece supports the film of this part, the cutting of convenient cutting knife.

Description

Cold laminating machine for high-precision film cutting

Technical Field

The application relates to the field of cold film laminating machines for high-precision film cutting, in particular to a cold film laminating machine for high-precision film cutting.

Background

The film-coated strip steel is a metal plate with wide application, the film coating mode on the surface of the strip steel is divided into cold coating and hot coating at present, a traditional cold film coating machine cuts a film through a cutting structure before film coating, and the cut film is coated on the strip steel, however, firstly, because the film needs to be conveyed for a certain distance after being cut and then contacts the strip steel, the film possibly generates deflection, the film coating precision of the traditional cold film coating machine is poor, the strip steel needs to be cut after film coating, or the film needs to be coated again, and the production efficiency is reduced.

Disclosure of Invention

The application aims to provide a cold film laminating machine for high-precision film cutting, which solves one or more technical problems in the prior art and at least provides a beneficial selection or creation condition.

The application solves the technical problems as follows:

a cold film laminating machine for high-precision film cutting, comprising: a frame; a conveying device having a conveying surface thereon; a film laminating device provided on the frame, the film laminating device having a film laminating gap through which the conveying surface passes; cutting structure, it is located for tectorial membrane device the transport low reaches of transport face, cutting structure includes the installation car, the installation car slides and sets up in the frame, two the installation car perpendicular to the direction of transport face is the interval setting horizontally, the installation car can be followed the perpendicular to the track slip of the direction of transport face, be equipped with on the installation car in step and hold in the palm the membrane piece, two hold in the palm the membrane piece and enclose the both sides of transport face, hold in the palm the top surface of membrane piece for cutting the face, cutting the face is higher than the transport face, hold in the palm and be equipped with on the membrane piece and cut the cutter, it is located to cut the top of face, cut the cutting edge of cutter downwards towards cut the face direction extension.

The technical scheme has at least the following beneficial effects: the belted steel is placed on the conveying face to follow the conveying direction conveying of conveying face continuously, the width is greater than the film of belted steel and is continuously discharged towards tectorial membrane device direction, after belted steel and film pass the tectorial membrane clearance simultaneously, make the film cover press the top surface at the belted steel, the staff is according to the position of two installation cars of belted steel width adjustment, make two installation car positions both sides and press close to the side of belted steel, after the tectorial membrane process, the high interval between cutting plane and the conveying face is unanimous with belted steel thickness, guarantee that the film beyond belted steel part can directly stretch into on the cutting plane, and hold in the palm the film piece and support the film of this part, make things convenient for cutting out of cutting knife, because belted steel has certain thickness, in the film cutting process, the push down of cutting knife makes the film buckle around the avris of belted steel easily, lead to leaking and cut out the phenomenon, through holding the film piece bearing and with the film raise to the same horizontal plane with the top surface of belted steel, reduce the thickness of belted steel and cut out the error that brings for the film, improve and cut precision, thereby promote production efficiency.

As a further improvement of the above technical solution, the two mounting vehicles can be simultaneously close to or far away from each other. When the staff adjusts the installation, two installation cars can be close to each other or keep away from each other, adjusts convenient and fast, guarantees simultaneously that two installation cars can set up in the both sides of belted steel all the time symmetrically, improves and cuts out the precision to the belted steel of adaptation different width improves the suitability.

As a further improvement of the technical scheme, the conveying device comprises a carrier roller, the carrier roller is rotationally connected to the mounting vehicle, the top side of the carrier roller is tangent to the conveying surface, the film supporting block is sleeved on the carrier roller, and the carrier roller can rotate relative to the film supporting block. The support membrane block is arranged on the mounting vehicle, and the support roller also passes through the support membrane block and is rotationally connected to the mounting vehicle, the coated strip steel is conveyed to the rolling support roller, and the support roller can move along with the movement of the mounting vehicle, so that the support roller always supports a steel plate part needing cutting, and the cutting process stability is improved.

As another improvement of the technical scheme, a first spring is connected between the side wall of the film supporting block, which is far away from the conveying surface, and the mounting vehicle, the film supporting block is slidably connected to the frame, and a plurality of balls are embedded in the side wall of the film supporting block, which is close to the conveying surface. Because the width of each section that belted steel extended along its length direction has certain error, the installation car is in the back of adjusting the position, even the width of belted steel certain section is great, hold in the palm the membrane piece and also can push first spring towards the direction of keeping away from the conveying face, guarantee to hold in the palm the lateral wall that the membrane piece is close to the conveying face and offsets all the time with belted steel through the ball, reduce friction, cut the membrane sword setting moreover and hold in the palm the membrane piece on holding in the palm the membrane piece, cut membrane sword and hold in the palm membrane piece simultaneous movement, guarantee that the width of the film after cutting is unanimous with the width of belted steel in the conveying, improve the film and cut the precision, need not to adjust the position of installation car constantly, reduce cost.

As another improvement of the technical scheme, the cutting structure comprises a first screw rod, the first screw rod is perpendicular to the conveying direction of the conveying surface and is horizontally arranged on the frame, two threaded sections with opposite directions are arranged on the first screw rod, and the two threaded sections are respectively in threaded connection with the two mounting vehicles. The middle part position of first screw rod corresponds the middle part position of transport face, and when first screw rod rotated, two installing cars can be close to each other or keep away from relatively to the width of adaptation belted steel, convenient regulation raises the efficiency.

As another improvement of the technical scheme, the cutting knife is rotationally connected to the film supporting block, the cutting knife extends obliquely downwards towards the conveying direction of the conveying surface, a second spring is connected between the knife body of the cutting knife and the film supporting block, and the second spring is in a stretching state, so that the cutting knife has a trend of moving towards the opposite direction of the conveying surface. The cutting knife extends downwards obliquely along the conveying direction of the conveying surface, meanwhile, the cutting knife is rotationally connected to the film supporting block and has a trend of moving towards the opposite direction of the conveying surface, cutting force and cutting effect are improved, and meanwhile, the cutting knife can automatically adjust the angle according to the thickness of the film, so that interference is reduced.

As another improvement of the above technical scheme, the application further comprises a roll-out device, wherein the roll-out device comprises a roll seat, a second screw rod and a roll-out roller, the roll seat is slidably connected to the frame, the roll-out roller is rotatably arranged on the roll seat, the extending directions of the second screw rod and the roll-out roller are parallel to each other, and the second screw rod is in threaded connection with the roll seat. The second screw rod is parallel to the extending direction of the winding roller, the second screw rod is rotated, the winding roller seat can slide back and forth along the frame, and the winding roller seat synchronously move, so that the film wound on the winding roller can be adjusted according to the input position of strip steel, the automatic centering of the film is ensured, and the film covering precision is improved.

As a further improvement of the technical scheme, the application further comprises a deviation rectifying device, the direction from the unwinding device to the laminating gap is taken as the film outputting direction, the deviation rectifying device comprises a deviation rectifying roller and an adjusting seat, the adjusting seat can slide along the frame and is positioned, one end of the deviation rectifying roller is rotationally connected to the frame, and the other end of the deviation rectifying roller is rotationally connected to the adjusting seat. The film is carried in the direction of going out the membrane because installation error reasons etc. can produce skew and slope, through adjusting the position of adjusting seat in the frame, drives the roller slope of rectifying for the film of winding on the roller of rectifying can finely tune self transport angle, improves tectorial membrane precision.

As another improvement of the technical scheme, the film laminating device comprises a film pressing cylinder, an upper roller and a lower roller, wherein the upper roller is arranged on the frame in a sliding manner, a film laminating gap is formed between the bottom side of the upper roller and the top side of the lower roller, and a piston rod of the film pressing cylinder is connected with the upper roller and can drive the upper roller to be close to or far away from the lower roller. The strip steel and the film are fed into the film laminating gap, the film is positioned above the strip steel, the upper roller is driven by the film pressing cylinder to be close to the lower roller downwards, the film laminating gap is reduced, the film is covered on the surface of the strip steel, film lamination is achieved, and after film lamination is finished, the upper roller is driven by the film pressing cylinder to be lifted, so that a workpiece can be placed or taken conveniently.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings that are required to be used in the description of the embodiments will be briefly described below. It is evident that the drawings described are only some embodiments of the application, but not all embodiments, and that other designs and drawings can be obtained from these drawings by a person skilled in the art without inventive effort.

FIG. 1 is a front view of a cold laminator for high precision film cutting according to one embodiment of the application;

FIG. 2 is a side view of a trim structure provided in accordance with an embodiment of the present application;

fig. 3 is a partial enlarged view of the region a in fig. 2.

In the accompanying drawings: 101-band steel, 102-film, 110-rack, 121-roll-out roller, 122-second screw, 123-roll seat, 131-deviation correcting roller, 132-adjusting seat, 141-film pressing cylinder, 142-upper roller, 143-lower roller, 151-mounting vehicle, 152-film supporting block, 153-cutting knife, 154-second spring, 155-ball, 156-carrier roller, 160-first screw, 210-conveying surface, 310-cutting surface and 320-first spring.

Detailed Description

The conception, specific structure, and technical effects produced by the present application will be clearly and completely described below with reference to the embodiments and the drawings to fully understand the objects, features, and effects of the present application. It is apparent that the described embodiments are only some embodiments of the present application, but not all embodiments, and that other embodiments obtained by those skilled in the art without inventive effort are within the scope of the present application based on the embodiments of the present application. In addition, all connection relationships mentioned herein do not refer to direct connection of the components, but rather, refer to a connection structure that may be better formed by adding or subtracting connection aids depending on the particular implementation. The technical features of the application can be interactively combined on the premise of no contradiction and conflict.

In the description of the present application, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present application and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present application.

In the description of the present application, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present application, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present application can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

Referring to fig. 1, 2 and 3, the cold film laminating machine for high-precision film cutting includes a frame 110; a conveying device having a conveying surface 210 thereon; a film laminating device provided on the frame 110, the film laminating device having a film laminating gap through which the conveying surface 210 passes; the cutting structure is located at the conveying downstream of the conveying surface 210 relative to the film covering device, the cutting structure comprises mounting carts 151, the mounting carts 151 are arranged on the frame 110 in a sliding mode, the two mounting carts 151 are arranged at intervals horizontally perpendicular to the conveying direction of the conveying surface 210, the mounting carts 151 can slide along the track perpendicular to the conveying direction of the conveying surface 210, film supporting blocks 152 are synchronously arranged on the mounting carts 151, the two film supporting blocks 152 are enclosed at two sides of the conveying surface 210, the top surface of the film supporting blocks 152 is a cutting surface 310, the cutting surface 310 is higher than the conveying surface 210, cutting knives 153 are arranged on the film supporting blocks 152, the cutting knives 153 are located above the cutting surface 310, and the cutting edges of the cutting knives 153 extend downwards towards the cutting surface 310. Specifically, the strip steel 101 is placed on the conveying surface 210, and is continuously conveyed along the conveying direction of the conveying surface 210 along with the conveying surface 210, the film 102 with the width larger than that of the strip steel 101 is continuously discharged towards the film laminating device, after the strip steel 101 and the film 102 simultaneously pass through a film laminating gap, the film 102 is laminated on the top surface of the strip steel 101, a worker adjusts the positions of the two mounting carts 151 according to the width of the strip steel 101, the two mounting carts 151 are positioned on two sides of the conveying surface 210 and are close to the side surface of the strip steel 101, after the film laminating process, the height distance between the cutting surface 310 and the conveying surface 210 is consistent with the thickness of the strip steel 101, the film 102 beyond the strip steel 101 can be ensured to directly extend into the cutting surface 310, and the film supporting film block 152 supports the film 102 of the part, so that the cutting knife 153 is convenient to cut due to the certain thickness of the strip steel 101, the pressing of the film 153 easily bends the edge side of the film 102 around the strip steel 101, the cutting phenomenon is caused, the cutting error is reduced by the supporting film block 152 and the cutting error is raised on the same horizontal plane as the top surface of the strip steel 101, the production quality is ensured, and the production quality is improved. In the cutting process, the mounting vehicle 151 needs to be adjusted to a position where the strip steel 101 is attached, and the cutting edge of the film cutter extends to a side of the cutting surface 310 close to the conveying surface 210, so that the cutting accuracy is improved. The mounting vehicle 151 may be slidably connected to the frame 110 through a slide rail chute, etc., so as to define a movement position of the mounting vehicle 151 and improve adjustment accuracy.

Moreover, in order to conveniently and quickly adjust the position of the mounting cart 151, in this embodiment, the cutting structure includes a first screw 160, where the first screw 160 is horizontally disposed on the frame 110 perpendicular to the conveying direction of the conveying surface 210, the first screw 160 has two threaded sections with opposite directions, and the two threaded sections are respectively screwed onto the two mounting carts 151, and when the first screw 160 rotates, the two mounting carts 151 can be close to or far away from each other at the same time. The middle position of the first screw 160 corresponds to the middle position of the conveying surface 210, when the first screw 160 rotates, the two mounting vehicles 151 can be close to each other or relatively far away from each other so as to adapt to the width of the strip steel 101, the adjustment is convenient, the efficiency is improved, the two mounting vehicles 151 are ensured to be arranged on two sides of the strip steel 101 always symmetrically, and the cutting precision is improved. In practice, the positions of the two mounting vehicles 151 may be respectively adjusted by an air cylinder, a screw motor, or the like, so that the flexibility is high. In practice, the first screw 160 may be rotationally driven by a motor, or manually rotated by a worker, or the like. The mounting cart 151 may be screwed to the first screw 160 by a sleeve or the like.

Moreover, to further improve the cutting accuracy and enhance the stability of the cutting process, in some embodiments, the conveying device includes a carrier roller 156, the carrier roller 156 is rotatably connected to the mounting vehicle 151, the top side of the carrier roller 156 is tangent to the conveying surface 210, the film supporting block 152 is sleeved on the carrier roller 156, the carrier roller 156 can rotate relative to the film supporting block 152, and a first spring 320 is connected between a side wall of the film supporting block 152 away from the conveying surface 210 and the mounting vehicle 151, the film supporting block 152 is slidably connected to the frame 110, and a plurality of balls 155 are embedded on a side wall of the film supporting block 152 close to the conveying surface 210. It should be noted that, the inner side wall of the film supporting block 152 and the outer side wall of the carrier roller 156 may be abutted against each other by the balls 155, so that the carrier roller 156 may rotate relative to the film supporting block 152, and the film supporting block 152 may slide along the carrier roller 156 during compression or rebound of the first spring 320, so as to improve the movement stability of the film supporting block 152. In addition, the first spring 320 provides a buffer margin when the film supporting block 152 is contacted with the strip steel 101, so that damage to the film supporting block 152 caused by interference collision is reduced, and a film cutting knife can be aligned with the redundant film 102, thereby improving cutting precision, avoiding the need of adjusting the position of the mounting vehicle 151 at any time and reducing cost. In addition, the side wall of the film supporting block 152 close to the conveying surface 210 is embedded with a plurality of balls 155, so that the side wall of the film supporting block 152 close to the conveying surface 210 is guaranteed to be always propped against the strip steel 101 through the rolling balls 155, friction is reduced, and the service life of the film supporting block 152 is prolonged.

In addition, in some embodiments, the cutting blade 153 is rotatably connected to the film supporting block 152, the cutting blade 153 extends obliquely downward toward the conveying direction of the conveying surface 210, and a second spring 154 is connected between the blade body of the cutting blade 153 and the film supporting block 152, and the second spring 154 is in a stretched state, so that the cutting blade 153 has a tendency to move in a direction opposite to the conveying direction of the conveying surface 210. The cutting knife 153 extends obliquely downwards along the conveying direction of the conveying surface 210, meanwhile, the cutting knife 153 is rotationally connected to the film supporting block 152 and has a trend of moving towards the opposite direction of the conveying surface 210, cutting force and cutting effect are improved, and meanwhile, the cutting knife 153 can automatically adjust the angle according to the thickness of the film 102, so that edge interference is reduced.

In fact, in some examples, the present application further includes a roll-out device and a deviation-correcting device, the roll-out device and the deviation-correcting device take the direction from the roll-out device to the film-covering gap as the film-out direction, the roll-out device includes a roll seat 123, a second screw 122, and a roll-out roller 121, the roll seat 123 is slidably connected to the frame 110, the roll-out roller 121 is rotatably disposed on the roll seat 123, the second screw 122 and the extending direction of the roll-out roller 121 are parallel to each other, the second screw 122 is threadably connected to the roll seat 123, and the deviation-correcting device includes a deviation-correcting roller 131 and an adjusting seat 132, the adjusting seat 132 can slide and be positioned along the frame 110, one end of the deviation-correcting roller 131 is rotatably connected to the frame 110, and the other end of the deviation-correcting roller 131 is rotatably connected to the adjusting seat 132. Film 102 winds on roll-out roller 121, and the extending direction of second screw 122 and roll-out roller 121 is parallel to each other, rotates second screw 122, and reel seat 123 can slide back and forth along frame 110, roll-out roller 121 and reel seat 123 synchronous motion for film 102 can be adjusted according to belted steel 101's input position, guarantees film 102's automatic centering, improves the tectorial membrane precision. In addition, during the film 102 conveying process along the film outlet direction, offset and inclination may occur due to installation errors and the like, in order to alleviate the phenomena of offset and inclination of the film 102, the position of the adjusting seat 132 on the frame 110 can be adjusted to drive the deviation correcting roller 131 to incline, so that the film 102 wound on the deviation correcting roller 131 can finely adjust the conveying angle of the film, and the film covering precision is improved. It can be understood that the unwinding roller 121, the first screw 160, the second screw 122 and the carrier roller 156 are disposed in a state of being parallel to each other, so as to realize the film coating. In practice, the sliding of the adjustment seat 132 may be controlled by a motor screw or a driving element such as a cylinder.

Further, in some examples, the film laminating apparatus includes a film pressing cylinder 141, an upper roller 142, and a lower roller 143, the upper roller 142 is slidably disposed on the frame 110, a film laminating gap is formed between a bottom side of the upper roller 142 and a top side of the lower roller 143, and a piston rod of the film pressing cylinder 141 is connected to the upper roller 142 and can drive the upper roller 142 to approach or separate from the lower roller 143. The film pressing cylinder 141 is fixed relative to the frame 110, the strip steel 101 and the film 102 are fed into the film pressing gap, the film 102 is located above the strip steel 101, the upper roller 142 is driven by the film pressing cylinder 141 to be close to the lower roller 143 downwards, the film pressing gap is reduced, the film 102 is covered on the surface of the strip steel 101, film coating is achieved, and after film coating is finished, the upper roller 142 is driven by the film pressing cylinder 141 to be lifted, so that a workpiece can be placed or taken conveniently.

While the preferred embodiment of the present application has been illustrated and described, the present application is not limited to the embodiments, and various equivalent modifications and substitutions can be made by those skilled in the art without departing from the spirit of the present application, and these equivalent modifications and substitutions are intended to be included in the scope of the present application as defined in the appended claims.

Claims

1. A cold laminating machine of film is cut to high accuracy, its characterized in that: comprising the following steps:

a frame (110);

a conveying device having a conveying surface (210) thereon;

a film coating device provided on the frame (110), the film coating device having a film coating gap through which the conveying surface (210) passes;

the cutting structure is positioned at the conveying downstream of the conveying surface (210) relative to the film covering device, the cutting structure comprises mounting carts (151), the mounting carts (151) are arranged on the frame (110) in a sliding mode, the two mounting carts (151) are arranged at intervals horizontally perpendicular to the conveying direction of the conveying surface (210), the mounting carts (151) can slide along a track perpendicular to the conveying direction of the conveying surface (210), film supporting blocks (152) are synchronously arranged on the mounting carts (151), the two film supporting blocks (152) are enclosed at two sides of the conveying surface (210), the top surface of each film supporting block (152) is a cutting surface (310), the cutting surface (310) is higher than the conveying surface (210), cutting knives (153) are arranged on the film supporting blocks (152), the cutting knives (153) are positioned above the cutting surfaces (310), and the cutting edges of the cutting knives (153) extend downwards towards the cutting surface (310);

the two mounting vehicles (151) can be simultaneously close to or far away from each other;

the film supporting block (152) is far away from the side wall of the conveying surface (210) and a first spring (320) is connected between the mounting vehicle (151), the film supporting block (152) is slidably connected to the frame (110), and a plurality of balls (155) are embedded in the side wall, close to the conveying surface (210), of the film supporting block (152).

2. The cold film laminating machine for high-precision film cutting according to claim 1, wherein: the conveying device comprises a carrier roller (156), the carrier roller (156) is rotationally connected to the mounting vehicle (151), the top side of the carrier roller (156) is tangent to the conveying surface (210), the carrier film block (152) is sleeved on the carrier roller (156), and the carrier roller (156) can rotate relative to the carrier film block (152).

3. The cold film laminating machine for high-precision film cutting according to claim 1, wherein: the cutting structure comprises a first screw (160), the first screw (160) is perpendicular to the conveying direction of the conveying surface (210) and horizontally arranged on the frame (110), the first screw (160) is provided with two threaded sections with opposite directions, and the two threaded sections are respectively connected to the two mounting carts (151) in a threaded mode.

4. The cold film laminating machine for high-precision film cutting according to claim 1, wherein: the cutting knife (153) is rotationally connected to the film supporting block (152), the cutting knife (153) extends obliquely downwards towards the conveying direction of the conveying surface (210), a second spring (154) is connected between the knife body of the cutting knife (153) and the film supporting block (152), and the second spring (154) is in a stretching state, so that the cutting knife (153) has a trend of moving towards the opposite direction of the conveying surface (210).

5. The cold film laminating machine for high-precision film cutting according to claim 1, wherein: still include the play rolling device, play rolling device includes reel seat (123), second screw rod (122), play roller (121), reel seat (123) sliding connection is in on frame (110), it sets up to go out roller (121) rotation on reel seat (123), second screw rod (122) with go out the extending direction of roller (121) is parallel to each other, second screw rod (122) threaded connection in on reel seat (123).

6. The cold film laminating machine for high-precision film cutting according to claim 5, wherein: still include deviation correcting device, with follow in proper order the play rolling device deviation correcting device extremely the direction in tectorial membrane clearance is out the membrane direction, deviation correcting device includes rectifying roller (131) and regulation seat (132), regulation seat (132) can be followed frame (110) slip and location, the one end of rectifying roller (131) rotates to be connected on frame (110), the other end of rectifying roller (131) rotates to be connected on regulation seat (132).

7. The cold film laminating machine for high-precision film cutting according to claim 1, wherein: the laminating device comprises a laminating cylinder (141), an upper roller (142) and a lower roller (143), wherein the upper roller (142) is arranged on the frame (110) in a sliding mode, a laminating gap is formed between the bottom side of the upper roller (142) and the top side of the lower roller (143), a piston rod of the laminating cylinder (141) is connected with the upper roller (142), and the upper roller (142) can be driven to be close to or far away from the lower roller (143).