CN223735669U - Laminating device for printing machine - Google Patents

Abstract

The utility model discloses a laminating device for a printing machine, which relates to the technical field of printing machines and comprises a working frame, wherein a conveying device is fixedly arranged on the working frame, vertical plates are fixedly arranged on the left side and the right side of the working frame, a cross beam is fixedly arranged at the top end of each vertical plate, a lifting device is fixedly arranged on the cross beam, and a first lifting plate is fixedly arranged at the output end of each lifting device. According to the utility model, the adjustable buffer assembly is arranged, the hand wheel is manually rotated to drive the threaded rod to axially move, when thick film or hard film is required to be processed, an operator rotates the hand wheel clockwise to drive the threaded rod to move downwards, the gland downwards compresses the spring, the pretightening force of the spring on the telescopic column and the second lifting plate is increased, otherwise, when thin film or soft film is processed, the hand wheel is rotated anticlockwise to enable the threaded rod to rise, the pretightening force of the spring is reduced, and the initial downward pressure matched with the thin film characteristic is obtained before the laminating device contacts a printing stock.

Description

Laminating device for printing machine

Technical Field

The utility model relates to the technical field of printers, in particular to a film laminating device for a printer.

Background

In the field of printed matter processing, a film coating process has become an important post-printing processing procedure in order to enhance the visual effect, durability and anti-fouling capability of printed matter. The process is mainly realized by covering the surface of the printed matter with a transparent plastic film, and the transparent plastic film is firmly combined with the printed matter under the action of pressure and heat through an adhesive.

Through retrieving, the patent of the utility model of bulletin number CN213798747U, a tectorial membrane device for label printing machine, comprising a base plate, the top of bottom plate from left to right fixedly connected with support column, second dead lever, first motor and first dead lever in proper order, the front end fixedly connected with controller of support column, the top fixedly connected with support column of support column, the top fixedly connected with adjusting column of support column, the spout has been seted up to one side of adjusting column, the inner chamber bottom fixedly connected with second motor of adjusting column is through starting the second motor for the second motor drives the threaded rod and rotates, thereby drives the slider and reciprocates, and then makes the connecting rod drive bracing piece reciprocate, finally makes the bracing piece can drive tectorial membrane structure and reciprocates, thereby can adjust the height of membrane unreel roller, and the printing product of membrane unreel roller to different thickness of being convenient for carries out the tectorial membrane, very big improvement the application scope of device.

Although the comparison document is compressed by the spring to provide a reverse acting force, the impact force of the film unreeling roller when the film is coated is reduced; however, for some thick films or hard films, a large initial pressure is required to ensure that the film is attached to a printing stock and smoothly drive a film roll to rotate, so that the film is not solid and wrinkled due to the fact that the film roll is stopped due to the fact that the pretightening force is too small, and for thin films or soft films, waste and production interruption are caused due to the fact that the film is excessively stretched and even broken due to the fact that the film unreeling roller is required to set the initial pressure according to different types of films.

Disclosure of utility model

The utility model aims to solve the defects in the prior art and provides a film covering device for a printing machine.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

The laminating device for the printing machine comprises a working frame, wherein a conveying device is fixedly arranged on the working frame, vertical plates are fixedly arranged on the left side and the right side of the working frame, a cross beam is fixedly arranged at the top end of the vertical plates, a lifting device is fixedly arranged on the cross beam, a first lifting plate is fixedly arranged at the output end of the lifting device, a second lifting plate is arranged below the first lifting plate, and an adjustable buffer assembly is arranged between the second lifting plate and the first lifting plate;

The adjustable buffer component comprises a fixed cylinder fixedly arranged on the lower surface of the first lifting plate and a telescopic column fixedly arranged on the upper surface of the second lifting plate, a hand wheel is rotatably arranged at the bottom of the fixed cylinder, a threaded rod is in threaded connection with the middle position of the hand wheel, a sleeve is slidably arranged outside the telescopic column, the bottom end of the threaded rod penetrates through the sleeve and is fixedly provided with a gland, and a spring is arranged between the gland and the telescopic column;

And a film unreeling roller is connected below the second lifting plate.

Further, four mounting plates are fixedly arranged on the lower surface of the second lifting plate, the film unreeling roller is rotatably arranged between two of the mounting plates, and an electric heating roller is rotatably arranged between the other two mounting plates.

Further, the conveying device comprises a frame, a driving roller and a driven roller are rotatably arranged at the left end and the right end of the frame respectively, a conveying belt is connected between the driven roller and the driving roller in a transmission mode, a supporting frame is fixedly arranged on the working frame, a motor is fixedly arranged on the supporting frame, a driving wheel is fixedly arranged at the output end of the motor, a driven wheel is fixedly arranged at one end of the driving roller, and a transmission belt is connected between the driven wheel and the driving wheel in a transmission mode.

Further, a bearing seat is fixedly arranged on the working frame, a rotating shaft is rotatably arranged on the bearing seat, a tensioning wheel is fixedly arranged at one end of the rotating shaft, and the tensioning wheel is attached to the inner side of the driving belt.

Further, a through groove is formed in the working frame, a bolt is rotatably installed on the bearing seat, and one end of the bolt penetrates through the through groove and is in threaded connection with a nut.

Further, the lifting device is an electric telescopic rod.

Further, the fixed cylinder is provided with a through observation groove.

Further, a guide rod is fixedly arranged on the upper surface of the first lifting plate, and a limiting block is fixedly arranged at the top end of the guide rod.

The beneficial effects of the utility model are as follows:

1. According to the utility model, the adjustable buffer assembly is arranged, the hand wheel is manually rotated to drive the threaded rod to axially move, when thick film or hard film is required to be processed, an operator rotates the hand wheel clockwise to drive the threaded rod to move downwards, the gland downwards compresses the spring, the pretightening force of the spring on the telescopic column and the second lifting plate is increased, otherwise, when thin film or soft film is processed, the hand wheel is rotated anticlockwise to enable the threaded rod to rise, the pretightening force of the spring is reduced, and the initial downward pressure matched with the thin film characteristic is obtained before the laminating device contacts a printing stock.

2. The utility model is provided with the film unreeling roller and the electric heating roller, and the electric heating roller and the film unreeling roller are arranged below the second lifting plate and are arranged behind the film unreeling roller, the electric heating roller heats and rolls the film which is just attached, the heat can activate certain types of film adhesive layers or enable the film to be more ductile, the rolling can further remove the air remained between the film and a printed matter, thoroughly eliminate air bubbles, ensure that the laminating combination is firmer, the surface is smoother and smoother, and the final quality and visual effect of the laminating product are greatly improved.

3. According to the utility model, the first lifting plate, the second lifting plate and the film unreeling roller are pushed to descend by the lifting device through the arrangement of the telescopic column and the spring until the film on the film unreeling roller is in contact with the surface of a printed matter conveyed by the conveying device, when the film unreeling roller is in contact with the printed matter and continuously presses downwards, the uneven surface or the slight thickness change of the printed matter can cause the film coating roller to receive upward impact force, at the moment, the second lifting plate has a trend of upward movement, so that the telescopic column is pushed to slide upwards in the sleeve, the spring is compressed, and the rigid impact is eliminated through the dynamic buffering effect, so that the printed matter is protected from being damaged by pressure.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a laminating device for a printing machine according to the present utility model;

FIG. 2 is a schematic diagram of an adjustable buffer assembly of a laminating apparatus for a printing press according to the present utility model;

Fig. 3 is a schematic view of the internal structure of a sleeve of a film laminating device for a printing machine according to the present utility model;

Fig. 4 is a schematic diagram of a tensioning wheel of a laminating device for a printing machine according to the present utility model;

FIG. 5 is a schematic view of a conveyor belt of a laminating apparatus for a printing press according to the present utility model;

fig. 6 is a schematic view of a bearing seat of a film laminating device for a printing machine according to the present utility model.

In the figure, 1, a working frame; 2, a conveying device, 3, a vertical plate, 4, a cross beam, 5, a lifting device, 6, a first lifting plate, 7, a second lifting plate, 8, a fixed cylinder, 9, a telescopic column, 10, a hand wheel, 11, a threaded rod, 12, a sleeve, 13, a gland, 14, a spring, 15, a film unreeling roller, 16, a mounting plate, 17, an electric heating roller, 18, a rack, 19, a driving roller, 20, a driven roller, 21, a conveying belt, 22, a supporting frame, 23, a motor, 24, a driving wheel, 25, a driven wheel, 26, a driving belt, 27, a bearing seat, 28, a rotating shaft, 29, a tensioning wheel, 30, a through groove, 31, a bolt, 32, a nut, 33, an observation groove, 34, a guide rod, 35 and a limiting block.

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.

Referring to fig. 1-3, a film laminating device for a printing machine comprises a working frame 1, wherein a conveying device 2 is fixedly installed on the working frame 1, vertical plates 3 are fixedly installed on the left side and the right side of the working frame 1, a cross beam 4 is fixedly installed at the top end of each vertical plate 3, a lifting device 5 is fixedly installed on each cross beam 4, a first lifting plate 6 is fixedly installed at the output end of each lifting device 5, a second lifting plate 7 is arranged below each first lifting plate 6, and an adjustable buffer assembly is arranged between each second lifting plate 7 and each first lifting plate 6;

The adjustable buffer component comprises a fixed cylinder 8 fixedly arranged on the lower surface of the first lifting plate 6 and a telescopic column 9 fixedly arranged on the upper surface of the second lifting plate 7, a hand wheel 10 is rotatably arranged at the bottom of the fixed cylinder 8, a threaded rod 11 is in threaded connection with the middle position of the hand wheel 10, a sleeve 12 is slidably arranged outside the telescopic column 9, the bottom end of the threaded rod 11 penetrates through the sleeve 12 and is fixedly provided with a gland 13, and a spring 14 is arranged between the gland 13 and the telescopic column 9;

When the hand wheel 10 is manually rotated, the hand wheel 10 drives the threaded rod 11 to axially move, when thick films or hard films are required to be processed, an operator rotates the hand wheel 10 clockwise to drive the threaded rod 11 to move downwards, the gland 13 downwards compresses the spring 14, and the pretightening force of the spring 14 on the telescopic column 9 and the second lifting plate 7 is increased;

a film unreeling roller 15 is connected below the second lifting plate 7;

After the elasticity of the pre-tightening spring 14 is finished, the lifting device 5 pushes the first lifting plate 6, the second lifting plate 7 and the film unreeling roller 15 to descend until the film on the film unreeling roller 15 contacts with the surface of a printed matter conveyed by the conveying device 2, when the film unreeling roller 15 contacts with the printed matter and continues to press downwards, the uneven surface or the micro-change of the thickness of the printed matter can lead the film coating roller to receive upward impact force, at the moment, the second lifting plate 7 has upward movement trend, thereby pushing the telescopic column 9 to slide upwards in the sleeve 12, compressing the spring 14, and the dynamic buffering function eliminates rigid impact and protects the printed matter from being damaged by pressure.

Referring to fig. 1-2, specifically, four mounting plates 16 are fixedly mounted on the lower surface of the second lifting plate 7, the film unreeling roller 15 is rotatably mounted between two of the mounting plates 16, and an electric heating roller 17 is rotatably mounted between the other two mounting plates 16;

The electric heating roller 17 which is arranged below the second lifting plate 7 together with the film unreeling roller 15 is arranged behind the second lifting plate, the electric heating roller 17 heats and rolls the film which is just attached, heat can activate certain types of film adhesive layers or enable the film to be more ductile, rolling can further remove residual air between the film and a printed matter, thoroughly eliminates bubbles, enables the film to be combined more firmly, has a smoother and smoother surface, and greatly improves the final quality and visual effect of a film-covered product.

Referring to fig. 1 and fig. 4-5, specifically, the conveying device 2 includes a frame 18, a driving roller 19 and a driven roller 20 are rotatably mounted at left and right ends of the frame 18, a conveyer belt 21 is connected between the driven roller 20 and the driving roller 19 in a transmission manner, a support frame 22 is fixedly mounted on the working frame 1, a motor 23 is fixedly mounted on the support frame 22, a driving wheel 24 is fixedly mounted at an output end of the motor 23, a driven wheel 25 is fixedly mounted at one end of the driving roller 19, and a conveyer belt 26 is connected between the driven wheel 25 and the driving wheel 24 in a transmission manner.

Referring to fig. 4, specifically, a bearing seat 27 is fixedly installed on the working frame 1, a rotating shaft 28 is rotatably installed on the bearing seat 27, a tensioning wheel 29 is fixedly installed at one end of the rotating shaft 28, and the tensioning wheel 29 is attached to the inner side of the driving belt 26;

The motor 23 is started, and the driving roller 19 is driven to rotate through a transmission system consisting of the driving wheel 24, the transmission belt 26 and the driven wheel 25, and the driving roller 19 and the driven roller 20 jointly drive the conveying belt 21 to continuously advance, so that a printed matter to be coated is smoothly fed into a coating station, and a product with a coating is fed out.

Referring to fig. 1 and 6, specifically, the working frame 1 is provided with a through groove 30, the bearing seat 27 is rotatably provided with a bolt 31, one end of the bolt 31 penetrates through the through groove 30 and is in threaded connection with a nut 32, and the position of the tensioning wheel 29 can be changed by adjusting the position of the bearing seat 27, penetrating through the through groove 30 with the bolt 31 and fixing with the nut 32, so that the transmission belt 26 is tensioned or loosened, and the transmission efficiency and stability are ensured.

Referring to fig. 2, specifically, the lifting device 5 is an electric telescopic rod.

Referring to fig. 3, specifically, the fixed cylinder 8 is provided with a through-going observation groove 33, and an operator can intuitively monitor the moving degree of the threaded rod 11 and the adjustment degree of the pretightening force through the observation groove 33 formed in the fixed cylinder 8.

Referring to fig. 2, specifically, a guide rod 34 is fixedly mounted on the upper surface of the first lifting plate 6, and a limiting block 35 is fixedly mounted on the top end of the guide rod 34.

The working principle is that the hand wheel 10 is manually rotated, the hand wheel 10 drives the threaded rod 11 to axially move, when thick films or hard films are required to be processed, an operator rotates the hand wheel 10 clockwise to drive the threaded rod 11 to move downwards, the gland 13 downwards compresses the spring 14, the pretightening force of the spring 14 on the telescopic column 9 and the second lifting plate 7 is increased, otherwise, when thin films or soft films are processed, the hand wheel 10 is rotated anticlockwise to enable the threaded rod 11 to rise, the pretightening force of the spring 14 is reduced, and the initial downward pressure matched with the characteristics of the thin films is obtained before the laminating device contacts a printing stock;

Through the observation groove 33 formed on the fixed cylinder 8, an operator can intuitively monitor the moving degree of the threaded rod 11 and the adjustment degree of the pretightening force;

After the elasticity of the pre-tightening spring 14 is finished, the lifting device 5 pushes the first lifting plate 6, the second lifting plate 7 and the film unreeling roller 15 to descend until the film on the film unreeling roller 15 contacts with the surface of a printed matter conveyed by the conveying device 2, when the film unreeling roller 15 contacts with the printed matter and continuously presses downwards, the uneven surface or the micro-change of the thickness of the printed matter can lead the film coating roller to receive upward impact force, at the moment, the second lifting plate 7 has a trend of upward movement, thereby pushing the telescopic column 9 to slide upwards in the sleeve 12, and the spring 14 compresses, so that the rigid impact is eliminated by the dynamic buffering function, and the printed matter is protected from being damaged by pressing;

The electric heating roller 17 which is arranged below the second lifting plate 7 together with the film unreeling roller 15 is arranged behind the second lifting plate, the electric heating roller 17 heats and rolls the film which is just attached, and the heat can activate certain types of film adhesive layers or make the film itself more ductile;

The conveying device 2 provides stable material transmission power for the whole process, the motor 23 is started, the driving roller 19 is driven to rotate through a transmission system consisting of a driving wheel 24, a transmission belt 26 and a driven wheel 25, and the driving roller 19 and the driven roller 20 jointly drive the conveying belt 21 to continuously advance, so that a printed matter to be coated is smoothly fed into a coating station, and a product after coating is sent out;

By adjusting the position of the bearing support 27, the position of the tension pulley 29 can be changed by using bolts 31 to pass through the through grooves 30 and fixing with nuts 32, so that the transmission belt 26 is tensioned or loosened, and the transmission efficiency and stability are ensured.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

In the description of the present application, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present application and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.

Claims (8)

1. The laminating device for the printing machine is characterized by comprising a working frame (1), wherein a conveying device (2) is fixedly arranged on the working frame (1), vertical plates (3) are fixedly arranged on the left side and the right side of the working frame (1), a cross beam (4) is fixedly arranged at the top end of each vertical plate (3), a lifting device (5) is fixedly arranged on each cross beam (4), a first lifting plate (6) is fixedly arranged at the output end of each lifting device (5), a second lifting plate (7) is arranged below each first lifting plate (6), and an adjustable buffer assembly is arranged between each second lifting plate (7) and each first lifting plate (6);

The adjustable buffer component comprises a fixed cylinder (8) fixedly arranged on the lower surface of the first lifting plate (6) and a telescopic column (9) fixedly arranged on the upper surface of the second lifting plate (7), a hand wheel (10) is rotatably arranged at the bottom of the fixed cylinder (8), a threaded rod (11) is connected with the middle position of the hand wheel (10) in a threaded mode, a sleeve (12) is slidably arranged outside the telescopic column (9), the bottom end of the threaded rod (11) penetrates through the sleeve (12) and is fixedly provided with a gland (13), and a spring (14) is arranged between the gland (13) and the telescopic column (9);

And a film unreeling roller (15) is connected below the second lifting plate (7).

2. A laminating device for a printing machine according to claim 1, characterized in that four mounting plates (16) are fixedly mounted on the lower surface of the second lifting plate (7), the film unreeling roller (15) is rotatably mounted between two of the mounting plates (16), and an electric heating roller (17) is rotatably mounted between the other two mounting plates (16).

3. The laminating device for the printing machine according to claim 1, wherein the conveying device (2) comprises a frame (18), a driving roller (19) and a driven roller (20) are respectively rotatably mounted at the left end and the right end of the frame (18), a conveying belt (21) is connected between the driven roller (20) and the driving roller (19) in a transmission manner, a supporting frame (22) is fixedly mounted on the working frame (1), a motor (23) is fixedly mounted on the supporting frame (22), a driving wheel (24) is fixedly mounted at the output end of the motor (23), a driven wheel (25) is fixedly mounted at one end of the driving roller (19), and a transmission belt (26) is connected between the driven wheel (25) and the driving wheel (24) in a transmission manner.

4. A laminating device for a printing machine according to claim 3, characterized in that a bearing seat (27) is fixedly arranged on the working frame (1), a rotating shaft (28) is rotatably arranged on the bearing seat (27), a tensioning wheel (29) is fixedly arranged at one end of the rotating shaft (28), and the tensioning wheel (29) is attached to the inner side of the driving belt (26).

5. The laminating device for a printing machine according to claim 4, wherein the working frame (1) is provided with a through groove (30), the bearing seat (27) is rotatably provided with a bolt (31), and one end of the bolt (31) penetrates through the through groove (30) and is in threaded connection with a nut (32).

6. A laminating apparatus for a printing press according to claim 1, wherein the lifting device (5) is an electric telescopic rod.

7. The film laminating apparatus for a printing press according to claim 1, wherein the fixed cylinder (8) is provided with a through-going observation groove (33).

8. The laminating device for the printer according to claim 1, wherein a guide rod (34) is fixedly arranged on the upper surface of the first lifting plate (6), and a limiting block (35) is fixedly arranged at the top end of the guide rod (34).