CN220593462U - Stretch-breaking mechanism for laminating machine - Google Patents

Abstract

The utility model relates to the technical field of laminating machines, in particular to a stretch-breaking mechanism for a laminating machine, which comprises a frame, a horizontal stretch-breaking roller, a conical stretch-breaking roller, a stretch-breaking roller rotation driving assembly and a stretch-breaking roller lifting driving assembly, wherein the frame is provided with a plurality of horizontal stretch-breaking rollers; the pull-off roller lifting driving assembly comprises a lifting fixing plate, a lifting moving frame and a lifting driving module; the lifting fixing plate is longitudinally provided with a guide rod; the lifting moving frame is connected to the guide rod in a lifting way, and one end of the conical breaking roller is rotationally connected to the lifting moving frame; the lifting moving frame is rotationally connected with a roller; the lifting driving module is connected with a lifting driving cam; the lifting driving cam is in running fit with the roller, and is used for supporting the lifting moving frame. The lifting mechanism has the advantages that the lifting driving cam is used for supporting the lifting moving frame, lifting limit is realized on one end of the conical breaking roller on the lifting moving frame through the highest point and the lowest point of the lifting driving cam, the stability of the structure is improved, and the paper breaking effect is ensured.

Description

Stretch-breaking mechanism for laminating machine

Technical Field

The utility model relates to the technical field of film laminating machines, in particular to a stretch-breaking mechanism for a film laminating machine.

Background

The paper laminating machine is a special equipment for laminating paper, and the laminating material and the paper material are pressed together by a rubber roller and a heating roller to form a paper-plastic integrated product. The main steps of the paper laminating machine are as follows, firstly, the paper material is transferred to the laminating machine; secondly, heating the film-coated material by a heating roller and attaching the film-coated material to the paper material; then, compacting and conveying the bonded product; finally, cutting off the paper after the film coating.

In the existing paper breaking process, for example, a paper breaking mechanism and a laminating machine with the same disclosed in Chinese patent (publication No. CN 216683339U) comprise a frame, wherein an upper roll shaft and a lower roll shaft are rotationally connected between two side walls of the frame, a channel for paper to pass through is formed between the upper roll shaft and the lower roll shaft, a first driving component for driving the upper roll shaft and/or the lower roll shaft to rotate is further arranged on the frame, the height dimension of the channel is gradually increased along the width direction of the paper, and the upper roll shaft and/or the lower roll shaft are positioned at one end of the channel with a large dimension and can vertically slide; the rack is provided with a second driving assembly which is used for driving the upper roll shaft and/or the lower roll shaft to be positioned at one end of the large size of the channel to vertically slide in a reciprocating manner so as to realize the adjustment of the height size of the channel.

In the conventional paper breaking mechanism, the positioning block is connected with the frame by virtue of the spring, so that the spring is always in a stressed state, the spring is easy to deform, the stressed state of the spring is influenced, and finally the phenomenon that paper is stretched continuously or the breaking effect is poor is easy to occur, so that the overall stability of the equipment is influenced.

Disclosure of Invention

The utility model aims to solve the technical problems that the existing paper is easy to be broken or has poor breaking effect, so that the breaking quality of the paper is poor and the equipment stability is poor.

The utility model aims at realizing the following technical scheme:

a stretch-breaking mechanism for a laminating machine comprises a frame, a horizontal stretch-breaking roller, a conical stretch-breaking roller, a stretch-breaking roller rotation driving assembly and a stretch-breaking roller lifting driving assembly; the horizontal breaking roller and the conical breaking roller are respectively connected to the upper side and the lower side of the frame in a rotating way, and a conical channel for paper to pass through is formed between the horizontal breaking roller and the conical breaking roller; the stretch-breaking roller rotary driving assembly is arranged on the frame and connected with the horizontal stretch-breaking roller and drives the horizontal stretch-breaking roller to rotate for conveying paper; the breaking roller lifting driving assembly comprises a lifting fixing plate, a lifting moving frame and a lifting driving module; the lifting fixing plate is arranged on the frame; the lifting fixing plate is longitudinally provided with a guide rod; the lifting moving frame is connected to the guide rod in a lifting way, and one end of the conical breaking roller is rotationally connected to the lifting moving frame; the lifting moving frame is rotationally connected with a roller; the lifting driving module is connected with a lifting driving cam; the lifting driving cam is in running fit with the roller, and is used for supporting the lifting moving frame; and the lifting driving module drives the lifting driving cam to rotate, and the roller drives one end of the conical breaking roller on the lifting moving frame to lift. The lifting moving frame is supported by the lifting driving cam, lifting limit is realized on one end of the conical breaking roller on the lifting moving frame by the highest point and the lowest point of the lifting driving cam, the stability of the structure is improved, and the breaking effect of paper is ensured; meanwhile, the rotating speed of the lifting driving module can be conveniently controlled through the cooperation between the lifting driving cam and the idler wheels to control the length of the pressurizing time of the lifting driving cam, so that the time for the lifting driving cam to stay at the highest position is long enough, the paper is fully broken, and the paper breaking efficiency and breaking quality are finally improved.

Preferably, the lifting driving module comprises a lifting driving motor, a first gear, a driving rotating shaft and a second gear; the lifting driving motor is arranged on the frame, the first gear is connected to an output shaft of the lifting driving motor, and the driving rotating shaft is rotatably connected to the frame; the second gear is connected to one end of the driving rotating shaft and meshed with the first gear; the lifting driving cam is also connected to the driving rotating shaft; the lifting driving cam is propped against the lower part of the roller and supports the lifting moving frame. The first gear is driven to rotate through the lifting drive motor, so that the first gear drives the second gear to rotate, the lifting drive cam is further rotated, the outer ring of the lifting drive cam is matched with the outer ring of the roller in shape, the roller can be driven to lift along the outer ring of the lifting drive cam, the lifting moving frame is driven to lift the conical stretch-breaking roller, the lifting drive cam is further used for lifting the lifting moving frame, the conical stretch-breaking roller is lifted upwards on one side, the conical stretch-breaking roller is contacted with the single side of the horizontal stretch-breaking roller, the action of paper tearing by a human hand is simulated, and two papers are separated front and back easily by the machine.

Preferably, the driving rotating shaft is provided with a grating sheet; the inner wall of the rack is provided with a cam grating sensor; the grating sheet is matched with the cam grating sensor. Through the cooperation between grating piece and the cam grating sensor, the drive pivot that can be better control breaks and only changes one round once, and the lift drive cam stroke that changes round changes from minimum to highest and returns to minimum again, is a snap action.

Preferably, two connecting lugs are arranged at the bottom of the lifting moving frame at intervals; a roller rotating shaft is connected between the two connecting hangers; the roller is rotatably connected to the roller rotating shaft. The installation of gyro wheel pivot is made things convenient for through the connection hangers, the installation of gyro wheel of also being convenient for simultaneously.

Preferably, the guide rod is sleeved with a spring; the upper end of the spring is propped against the lifting fixing plate, and the lower end of the spring is propped against the lifting fixing plate. The lifting fixing plate can be better restored to the initial position through the spring, so that the conical breaking roller can be ensured to return to the initial position after moving each time, and the next breaking operation can be ensured.

Preferably, the breaking roller rotation driving assembly comprises a rotation driving motor, a driving sprocket, a first sprocket, a second sprocket and a chain; the rotary driving motor is arranged on the frame, the driving sprocket is connected to an output shaft of the rotary driving motor, and the first sprocket is connected to one end of the horizontal breaking roller, which is far away from the lifting moving frame; the second chain wheel is connected to one end of the conical breaking roller, which is far away from the lifting moving frame; the chain is in tensioning connection with the drive sprocket, the first sprocket and the second sprocket. The first sprocket wheel is driven to rotate through the rotary driving motor, and meanwhile the tapered breaking roller is rotated through the chain.

Preferably, a stretch-breaking sensor for detecting whether to stretch-break the paper is arranged on the inner wall of one side of the frame and on the feeding end side of the horizontal stretch-breaking roller. Whether paper is broken or not can be effectively detected through the breaking sensor, and normal operation after each breaking action is ensured.

Preferably, the frame is provided with an installation opening for lifting the lifting moving frame; the lifting moving frame is positioned in the mounting opening, and one end of the conical breaking roller penetrates through the frame and is rotatably connected in the lifting moving frame through a bearing. Five degrees of freedom of the lifting moving frame can be limited through the mounting opening, so that the lifting moving frame can only move along the lifting direction; and the occupied space of the lifting moving frame can be reduced, the space utilization rate is improved, and the whole structure is simpler and more reasonable.

Preferably, the frame is positioned at the discharge end side of the conical breaking roller and is also rotatably connected with a paper outlet roller. The paper is conveniently and better conveyed and discharged by the paper discharging roller.

In summary, the lifting and moving frame is limited by the guide rod on the lifting and fixing plate, one end of the conical breaking roller on the lifting and moving frame is supported and driven by the lifting and driving cam to lift, the stability of the structure is improved, and the breaking effect of paper is ensured; meanwhile, the rotating speed of the lifting driving module can be conveniently controlled through the cooperation between the lifting driving cam and the idler wheels to control the length of the pressurizing time of the lifting driving cam, so that the time for the lifting driving cam to stay at the highest position is long enough, the paper is fully broken, and the paper breaking efficiency and breaking quality are finally improved.

Drawings

Fig. 1 is a schematic structural view of a stretch-breaking mechanism (first view angle) for a laminator according to the present utility model.

Fig. 2 is a schematic plan view of a breaking mechanism (second view) for a laminator according to the present utility model.

Fig. 3 is a schematic view of the structure of the frame in the present utility model.

Fig. 4 is a schematic structural view of the lift driving module in the present utility model.

Fig. 5 is a schematic structural diagram of a cam grating sensor according to the present utility model.

Wherein: 1. a frame; 11. a mounting port; 2. a horizontal pull-off roller; 3. a tapered pull-off roller; 4. a stretch-breaking roller rotation driving assembly; 41. a rotary drive motor; 5. a pull-off roller lifting driving assembly; 51. lifting the fixing plate; 52. lifting the movable frame; 520. a roller; 521. connecting a hanging lug; 522. a roller shaft; 53. a lifting driving module; 530. lifting driving cam; 531. a lifting driving motor; 532. a first gear; 533. driving the rotating shaft; 534. a second gear; 535. a grating sheet; 536. a cam grating sensor; 54. a guide rod; 55. a spring; 6. a snap-off sensor; 7. and a paper discharge roller.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

As shown in fig. 1 to 5, a stretch-breaking mechanism for a film laminating machine comprises a frame 1, a horizontal stretch-breaking roller 2, a conical stretch-breaking roller 3, a stretch-breaking roller rotation driving assembly 4 and a stretch-breaking roller lifting driving assembly 5; the frame 1 comprises a bottom plate and side plates with two sides vertically arranged, and forms a U shape. The horizontal breaking roller 2 and the conical breaking roller 3 are respectively connected to the upper side and the lower side of the frame 1 in a rotating way, and a conical channel (the gap of the conical channel is small and large on the left) for paper to pass through is formed between the horizontal breaking roller 2 and the conical breaking roller 3; the breaking roller rotation driving assembly 4 is arranged on the frame 1 and connected with the horizontal breaking roller 2, and drives the horizontal breaking roller 2 to convey paper, and the breaking roller lifting driving assembly 5 comprises a lifting fixing plate 51, a lifting moving frame 52 and a lifting driving module 53; the lifting fixing plate 51 is arranged on the frame 1; the lifting fixing plate 51 is longitudinally provided with a guide rod 54; the lifting moving frame 52 is connected to the guide rod 54 in a lifting manner, and one end of the conical breaking roller 3 is rotatably connected to the lifting moving frame 52; the bottom of the lifting moving frame 52 is rotatably connected with a roller 520; the lifting driving module 53 is connected with a lifting driving cam 530; the lifting driving cam 530 is located below the roller 520, the lifting driving cam 530 is in running fit with the roller 520, and the lifting driving cam 530 is used for supporting the lifting moving frame 52 on the roller 520; when the lifting driving cam 530 does not ascend, the paper enters the tapered passage and does not drive the horizontal breaking roller 2 to synchronously rotate, and the tapered passage gap formed at the lowest position of the lifting driving cam 530 is necessarily larger than the thickness of the paper; when the paper needs to be broken, the lifting driving cam 530 ascends to reduce the gap of the conical passage, so that the horizontal breaking roller 2 and the conical breaking roller 3 synchronously rotate under the action of the paper, and the paper is broken. The lifting driving module 53 drives the lifting driving cam 530 to rotate, the roller 520 drives the left end of the conical breaking roller 3 on the lifting moving frame 52 to lift, the paper is torn off smoothly along the tearing opening, the whole action is similar to that of tearing off slowly along one side of the paper by hands, namely, the paper breaking is started to be broken from one side of the paper and is slowly extended to the whole section, compared with the traditional middle position of directly pulling the paper from a horizontal angle, the paper breaking is more thorough, and burrs cannot be generated. Lifting and limiting the lifting and moving frame 52 through the guide rod 54 on the lifting and fixing plate 51, supporting and driving one end of the conical breaking roller 3 on the lifting and moving frame 52 through the lifting and driving cam 530 to realize lifting and lifting, improving the stability of the structure and ensuring the breaking effect of paper; meanwhile, the rotating speed of the lifting driving module 53 can be conveniently controlled to control the pressurizing time of the lifting driving cam 530, so that the time for the lifting driving cam 530 to stay at the highest position is long enough, the paper is fully broken, and the paper breaking efficiency and breaking quality are finally improved.

As shown in fig. 1 to 4, the elevation driving module 53 includes an elevation driving motor 531, a first gear 532, a driving rotation shaft 533, and a second gear 534; the lifting driving motor 531 is arranged on the left inner wall of the frame 1, the first gear 532 is connected to the output shaft of the lifting driving motor 531, the first gear 532 is positioned on the left outer wall, the driving rotating shaft 533 is horizontally arranged, and the driving rotating shaft 533 is rotatably connected to the frame 1; the second gear 534 is connected to one end of the driving shaft 533 and is located on the left outer wall. The second gear 534 is meshed with the first gear 532; the lifting drive cam 530 is also connected to the drive shaft 533; the elevation driving cam 530 abuts under the roller 520 and supports the elevation moving frame 52. The first gear 532 is driven to rotate through the lifting drive motor 531, so that the first gear 532 drives the second gear 534 to rotate, the lifting drive cam 530 is further driven to rotate, the outer ring of the lifting drive cam 530 is matched with the outer ring of the roller 520 in shape, the roller 520 can be driven to lift along the outer ring of the lifting drive cam 530, the lifting of the lifting moving frame 52 is realized, the conical breaking roller 3 is driven to lift, the lifting drive cam 530 lifts the lifting moving frame 52, the conical breaking roller 3 is lifted upwards on one side, the conical breaking roller 3 is contacted with the horizontal breaking roller 2 on one side, the action of tearing paper by hands is simulated, and two paper sheets before and after the machine is easily separated.

As shown in fig. 1 and 5, the driving shaft 533 is provided with a grating sheet 535; the inner wall of the frame 1 is provided with a cam grating sensor 536; the grating tab 535 mates with a cam grating sensor 536. Through the cooperation between grating piece 535 and cam grating sensor 536, can be better control drive pivot 533 stretch-break only once turn round, the lift drive cam 530 stroke of turning round returns to the minimum again after changing from minimum to the highest, is a stretch-break action. The number of turns of the lifting driving motor 531 controlled by the main board is controlled by the grating, and the breaking mechanism has the advantages that under the condition of unchanged load, the duty ratio of the lifting driving motor 531 (direct current motor) can be adjusted by a program to increase and decrease the voltage, the effect of controlling the rotating speed of the motor is achieved, the cam pressurizing process can be controlled, the cam pressurizing time can be adjusted according to different wanted speeds, and the following is exemplified: the machine has four speeds of first gear to fourth gear, the first gear is the lowest speed, the fourth gear is the highest speed, when the duty ratio is 100%, one period is all high level, the voltage reaches the maximum, the rotating speed of the stretch-break motor is the highest speed, at this time, the time that the cam stays at the highest position is shorter, when the first gear has probability of continuously pulling paper at this time, the rotating speed of the stretch-break motor can be reduced by reducing the duty ratio, so that the time that the cam stays at the highest position becomes longer, and the stretch-break is easier.

As shown in fig. 4, two connecting lugs 521 are arranged at intervals at the bottom of the lifting moving frame 52; a roller rotating shaft 522 is connected between the two connecting lugs 521; the roller 520 is rotatably coupled to a roller shaft 522. The installation of the roller shaft 522 is facilitated by the connecting lugs 521, and the installation of the roller 520 is also facilitated. The guide rod 54 is sleeved with a spring 55; the upper end of the spring 55 abuts on the lifting fixing plate 51, and the lower end of the spring 55 abuts on the lifting fixing plate 51. The lifting fixing plate 51 can be better restored to the initial position by the spring 55, and the conical breaking roller 3 can be ensured to return to the initial position after each movement, so that the next breaking operation can be ensured.

As shown in fig. 2, the breaking roller rotation driving assembly 4 includes a rotation driving motor 41, a driving sprocket, a first sprocket, a second sprocket, and a chain; the rotary driving motor 41 is arranged on the frame 1, a driving sprocket is connected to an output shaft of the rotary driving motor 41, and a first sprocket is connected to one end of the horizontal breaking roller 2 far away from the lifting moving frame 52; the second chain wheel is connected to one end of the conical breaking roller 3 far away from the lifting moving frame 52; the chain is in tensioning connection with the driving sprocket, the first sprocket and the second sprocket. The first sprocket is driven to rotate by the rotation driving motor 41 while the rotation of the taper pulling roll 3 is achieved by the chain.

As shown in fig. 2, a stretch-break sensor 6 for detecting whether or not to stretch-break the sheet is provided on the inner wall of the frame 1 on the side of the feed end of the horizontal stretch-break roller 2. Whether paper is broken or not can be effectively detected through the breaking sensor 6, and normal operation after each breaking action is ensured.

As shown in fig. 1 to 3, a mounting opening 11 for lifting movement of a lifting moving frame 52 is provided on the frame 1; the lifting moving frame 52 is positioned in the mounting opening 11, and one end of the conical breaking roller 3 penetrates through the frame 1 and is rotatably connected in the lifting moving frame 52 through a bearing. The occupied space of the lifting moving frame 52 can be reduced through the mounting opening 11, the space utilization rate is improved, and the whole structure is simpler and more reasonable. The frame 1 is positioned at the discharge end side of the conical breaking roller 3 and is also rotatably connected with a paper outlet roller 7. The paper is transported and discharged better by the paper discharge roller 7.

When the mechanism works, when no paper passes through in the initial state, the gap at the right end of the conical channel is preset according to the thickness of the paper, so that the paper can stably pass through the gap, and in the state, the gap of the conical channel is larger than the thickness of the paper; when paper starts to enter the channel, the breaking roller rotary driving assembly 4 drives the conical breaking roller 3 to rotate, and the paper is stably conveyed through the rotating conical breaking roller 3; when the paper needs to be broken, the lifting moving frame 52 is driven to lift by the lifting driving cam 530, so that the left end of the conical breaking roller 3 is lifted, the right end of the paper in the width direction is firstly pressed at the small-size end of the channel, the gap at the left end of the conical channel is gradually lifted by the conical breaking roller 3, the gap at the left end of the conical channel is reduced from an initial state to a distance capable of pressing the paper, and finally the paper is pressed and broken.

In the embodiment, the left end and the right end of the horizontal breaking roller 2 are rotatably connected to the two side walls of the frame 1 and are vertically fixed, and the left end of the horizontal breaking roller 2 and the left end of the conical breaking roller 3 keep a set gap and then keep the gap; only the left end of the tapered tension roller 3 is arranged to be movable in a lifting manner, that is, when the left end of the tapered tension roller 3 moves upward, the tapered passage gap gradually decreases in the left-to-right direction, so that the paper after film coating is conveyed to the passage under the action of the conveying structure of the film coating machine. When paper just enters the conical channel, the gap of the conical channel is larger than the thickness of the paper, so that the paper can be ensured to pass smoothly; when the paper needs to be pulled out, the left end of the conical pull roller 3 is driven to rise, the paper is clamped by the gap at the rightmost end of the conical channel, a structure similar to a cutting point is formed, due to the fact that paper breakage indentation is formed on the paper, under the action of the cutting point, the paper can be pulled out of a tearing port along the tearing port along with the rising of the left end of the conical pull roller 3, after the right end of the paper is clamped, the gap between the conical channels is gradually reduced along the direction from right to left in the process of continuous forward movement of the paper, the conical channels clamp the paper along the direction from right to left in the process of continuous forward movement of the paper, meanwhile, the paper is torn off stably along the tearing port under the action of a transmission force between the horizontal pull roller 2 and the conical pull roller 3, the whole action is similar to that of tearing slowly along one side of the paper, namely, the paper breakage is broken from the right side of the paper, the paper is slowly extended to the whole section along the tearing port, compared with the traditional middle position of the paper pulling out at a horizontal angle, the paper breakage is more thorough, the lifting and lowering speed is not required, the lifting and lowering speed is reduced, the lifting speed is also required to be controlled by the driving motor to be more stable, the lifting speed is reduced, the lifting speed is also is reduced, the lifting speed is required to be controlled to be more accurate and the lifting speed is controlled by the lifting and lowering speed is the lifting and lowering the lifting speed is the lifting and lowering speed is the lifting motor 52.

In summary, the utility model has the advantages that the lifting and moving frame 52 is lifted and limited by the guide rod 54 on the lifting and fixing plate 51, and one end of the conical breaking roller 3 on the lifting and moving frame 52 is supported and driven by the lifting and driving cam 530 to lift, so that the stability of the structure is improved, and the breaking effect of paper is ensured; meanwhile, the rotating speed of the lifting driving module 53 can be conveniently controlled to control the pressurizing time of the lifting driving cam 530, so that the time for the lifting driving cam 530 to stay at the highest position is long enough, the paper is fully broken, and the paper breaking efficiency and breaking quality are finally improved.

Although the present disclosure is described above, the scope of protection of the present disclosure is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the disclosure, and these changes and modifications will fall within the scope of the utility model.

Claims (9)

1. The stretch-breaking mechanism for the film laminating machine is characterized by comprising a frame (1), a horizontal stretch-breaking roller (2), a conical stretch-breaking roller (3), a stretch-breaking roller rotation driving assembly (4) and a stretch-breaking roller lifting driving assembly (5); the horizontal breaking roller (2) and the conical breaking roller (3) are respectively connected to the upper side and the lower side of the frame (1) in a rotating way, and a conical channel for paper to pass through is formed between the horizontal breaking roller (2) and the conical breaking roller (3); the stretch-breaking roller rotary driving assembly (4) is arranged on the frame (1) and connected with the horizontal stretch-breaking roller (2) and drives the horizontal stretch-breaking roller (2) to rotate for conveying paper;

the breaking roller lifting driving assembly (5) comprises a lifting fixing plate (51), a lifting moving frame (52) and a lifting driving module (53); the lifting fixing plate (51) is arranged on the frame (1); a guide rod (54) is longitudinally arranged on the lifting fixing plate (51); the lifting moving frame (52) is connected to the guide rod (54) in a lifting manner, and one end of the conical breaking roller (3) is rotatably connected to the lifting moving frame (52); the lifting moving frame (52) is rotatably connected with a roller (520);

the lifting driving module (53) is connected with a lifting driving cam (530); the lifting driving cam (530) is in running fit with the roller (520), and the lifting driving cam (530) is used for supporting the lifting moving frame (52); the lifting driving module (53) drives the lifting driving cam (530) to rotate, and the roller (520) drives one end of the conical breaking roller (3) on the lifting moving frame (52) to lift.

2. The stretch-breaking mechanism for a laminator according to claim 1, wherein the elevation driving module (53) includes an elevation driving motor (531), a first gear (532), a driving rotation shaft (533), and a second gear (534); the lifting driving motor (531) is arranged on the frame (1), the first gear (532) is connected to an output shaft of the lifting driving motor (531), and the driving rotating shaft (533) is rotatably connected to the frame (1); the second gear (534) is connected to one end of the driving rotating shaft (533), and the second gear (534) is meshed with the first gear (532);

the lifting driving cam (530) is also connected to the driving rotating shaft (533); the lifting drive cam (530) abuts under the roller (520) and supports the lifting movement frame (52).

3. The stretch-breaking mechanism for a laminator according to claim 2, wherein the driving shaft (533) is provided with a grating sheet (535); a cam grating sensor (536) is arranged on the inner wall of the frame (1); the grating sheet (535) mates with a cam grating sensor (536).

4. The stretch-breaking mechanism for a film laminating machine according to claim 1, wherein two connecting lugs (521) are arranged at intervals at the bottom of the lifting moving frame (52); a roller rotating shaft (522) is connected between the two connecting lugs (521); the roller (520) is rotatably connected to the roller shaft (522).

5. The stretch-breaking mechanism for a film laminating machine according to claim 1, wherein a spring (55) is sleeved on the guide rod (54); the upper end of the spring (55) is abutted against the lifting fixing plate (51), and the lower end of the spring (55) is abutted against the lifting fixing plate (51).

6. The stretch-breaking mechanism for a film laminating machine according to claim 1, wherein the stretch-breaking roller rotation driving assembly (4) comprises a rotation driving motor (41), a driving sprocket, a first sprocket, a second sprocket and a chain; the rotary driving motor (41) is arranged on the frame (1), the driving sprocket is connected to an output shaft of the rotary driving motor (41), and the first sprocket is connected to one end of the horizontal breaking roller (2) far away from the lifting moving frame (52); the second chain wheel is connected to one end of the conical breaking roller (3) far away from the lifting moving frame (52); the chain is in tensioning connection with the drive sprocket, the first sprocket and the second sprocket.

7. The stretch-breaking mechanism for a film laminating machine according to claim 1, wherein a stretch-breaking sensor (6) for detecting whether to stretch-break paper is arranged on the inner wall of one side of the frame (1) and on the feeding end side of the horizontal stretch-breaking roller (2).

8. The stretch-breaking mechanism for a film laminating machine according to claim 1, wherein a mounting opening (11) for lifting movement of the lifting moving frame (52) is provided on the frame (1); the lifting moving frame (52) is positioned in the mounting opening (11), and one end of the conical breaking roller (3) penetrates through the frame (1) and is rotatably connected in the lifting moving frame (52) through a bearing.

9. The stretch-breaking mechanism for a film laminating machine according to claim 1, wherein the frame (1) is located at the discharge end side of the conical stretch-breaking roller (3) and is further rotatably connected with a paper outlet roller (7).