CN113352748B - Double-sided film laminating machine - Google Patents
Double-sided film laminating machine Download PDFInfo
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- CN113352748B CN113352748B CN202110509982.7A CN202110509982A CN113352748B CN 113352748 B CN113352748 B CN 113352748B CN 202110509982 A CN202110509982 A CN 202110509982A CN 113352748 B CN113352748 B CN 113352748B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F23/00—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing
- B41F23/08—Print finishing devices, e.g. for glossing prints
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- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The invention relates to the technical field of film laminating machines, and particularly discloses a double-sided film laminating machine which comprises symmetrically arranged support frames, film rollers which are rotationally connected between the support frames in an up-and-down symmetrical manner, a plurality of driving rollers which are rotationally connected between the support frames and can drive a printed product to move, and a driving mechanism which can drive the film rollers and the driving rollers to rotate, wherein guide blocks are also rotationally and slidably connected between the support frames in an up-and-down symmetrical manner, cavities are respectively and fixedly connected in the guide blocks, motors are respectively and fixedly connected in the cavities, output shafts of the motors are respectively and coaxially connected with driving gears which are symmetrically meshed with racks, free ends of the racks are respectively and fixedly connected with connecting rods, free ends of the connecting rods extend out of the guide blocks and are provided with push plates which can be pushed on the surface of the film, air bags are respectively arranged in the cavities, the connecting rods are respectively and fixedly connected with piston rods, one end of each piston rod extends into the air bag and is in a sliding sealing connection with a piston, air inlet and an air outlet are arranged on the side wall of each guide block, the problem of traditional two-sided laminating machine at the in-process of tectorial membrane, the easy fold of film influences the tectorial membrane effect is solved.
Description
Technical Field
The application relates to the technical field of laminating machines, and particularly discloses a double-sided laminating machine.
Background
The film covering process is a surface processing process after printing, is called as post-printing plastic covering, post-printing glue mounting or post-printing film pasting, and is a product processing technology integrating paper and plastic by covering a layer of transparent plastic film with the thickness of 0.012-0.020 mm on the surface of a printed product by using a film covering machine, wherein the film covering machine is equipment for finishing the film covering process, the film covering machine can be divided into a coating-type film covering machine and a precoating-type film covering machine, and is special equipment for paper and films, namely the coating-type film covering machine comprises three parts of gluing, drying and hot pressing, has wide application range and stable and reliable processing performance, is the currently and widely used film covering equipment in China, the precoating-type film covering machine has no gluing and drying parts, has small volume, low manufacturing cost and flexible and convenient operation, is not only suitable for film covering processing of large-batch printed products, but also suitable for film covering processing of small-batch and scattered printed products such as an automatic desktop office system and the like, the double-sided laminating machine is an upgraded laminating machine which can simultaneously carry out laminating treatment on the two sides of the component to be laminated.
Chinese patent publication No. CN108407453A discloses a double-sided film laminating machine, which comprises a cabinet body, wherein a control switch is fixedly mounted on one side of the top of the cabinet body, a lower film frame is fixedly mounted on the front surface of the cabinet body, a film laminating platform is fixedly mounted on the upper surface of the cabinet body, a conveyor belt is embedded in the film laminating platform, a groove is fixedly formed in the front surface of the film laminating platform, a first guide shaft is rotatably mounted in the groove, and a positioning mechanism is fixedly mounted at a position, close to the rear side of the groove, of the upper surface of the film laminating platform.
Although the distance between the press roller and the laminating platform can be adjusted through the threaded rod and the spring, in the laminating process, the steps of guiding, stretching and the like are not performed on the film, the film is prone to wrinkling, and the laminating effect is affected.
Disclosure of Invention
The invention aims to solve the problem that a film is easy to wrinkle and the film covering effect is influenced in the film covering process of a traditional double-sided film covering machine.
In order to achieve the purpose, the basic scheme of the invention provides a double-sided film laminating machine which comprises support frames, film rollers, a plurality of driving rollers and a driving mechanism, wherein the support frames are symmetrically arranged, the film rollers are vertically and symmetrically connected between the support frames in a rotating mode, the driving rollers are rotatably connected between the support frames and can drive printed products to move, and the driving mechanism can drive the film rollers and the driving rollers to rotate;
guide blocks are connected between the support frames in an up-down symmetrical sliding manner, cavities are formed in the guide blocks, motors are fixedly connected in the cavities, output shafts of the motors are coaxially connected with transmission gears, the transmission gears are symmetrically meshed with racks, free ends of the racks are fixedly connected with connecting rods, free ends of the connecting rods extend out of the guide blocks and are provided with push plates capable of being pushed on the surface of the thin film, and heating copper wires are arranged in the push plates;
the cavity is internally provided with an air bag, the connecting rod is fixedly connected with a piston rod, one end of the piston rod extends into the air bag and is connected with a piston in a sliding and sealing manner, the side wall of the guide block is provided with a plurality of air inlet holes communicated with the air bag, and the guide block is provided with a plurality of air outlet holes communicated with the air bag near the film.
The principle and effect of this basic scheme lie in:
1. the film laminating machine is provided with the film rollers which are symmetrical up and down, so that the upper surface and the lower surface of a printed product can be simultaneously laminated, the laminating steps are consistent, the film is formed smoothly, and the film laminating operation is carried out for multiple times without manually turning over the printed product by technicians.
2. The invention is provided with the push plate driven by the motor, the motor drives the transmission gear to rotate, the transmission gear drives the rack meshed with the transmission gear to move, and the two racks are respectively meshed at the two sides of the transmission gear, namely the moving directions of the two racks are opposite, so that the push plate can be driven to move on the surface of the film in a reciprocating way, and the film can be more flatly covered on the surface of a printed product.
3. The heating copper wire is arranged in the push plate, so that the heating copper wire can heat the film in the process of laminating the printed product, the laminating effect is improved, the heating copper wire can reciprocate on the surface of the film along with the push plate, and the uniformity of film heating is improved.
4. The invention is provided with the air bag, the connecting rod can drive the piston rod to reciprocate while driving the push plate to reciprocate, so that the piston can slide in the air bag in a reciprocating manner, the air bag can continuously suck air and exhaust the air, the air is sucked in and blown to the surface of the film by the pressurization of the air bag, the film is completely attached to the surface of a printed product, the heating uniformity of the film is improved, and the heat dissipation effect of parts such as the guide block and the like can be improved.
5. Compared with the prior art, the film laminating machine has the advantages that the guide blocks and the structures in the guide blocks are arranged, so that the push plate is continuously pushed on the surface of the film in the process of laminating a printed product, the film can be more smoothly covered on the surface of the printed product, the film adhering effect is improved through the air bag, the heat radiation effect of other parts is improved while the heating uniformity of the film is improved, and the problem that the film is easily folded and the laminating effect is influenced in the laminating process of the traditional double-sided laminating machine is solved.
Further, actuating mechanism includes the motor of rigid coupling at the support frame lateral wall, with the output shaft coaxial coupling's of motor driving pulley, rotate first conversion axis and the second conversion axis of connection at the support frame lateral wall, first conversion axis coaxial coupling has first driven pulleys and conversion band pulley, second conversion axis coaxial coupling has first driven pulleys and driving gear, one of them film roller coaxial coupling has first driven pulleys, another film roller coaxial coupling has the driven gear with driving gear engagement, the equal coaxial coupling of driving roller has second driven pulleys, be equipped with first hold-in range between driving pulley and the first driven pulleys, be equipped with the second hold-in range between conversion band pulley and the second driving pulley. The motor drives the driving belt wheel to rotate, the driving belt wheel drives the first conversion shaft, the second conversion shaft and one of the film rollers to rotate in the same direction through the first synchronous belt, the driving gear is meshed with the driven gear, and the other film roller rotates in the opposite direction, so that the two film rollers rotate in opposite directions, and the purpose of simultaneously coating the upper surface and the lower surface of a printed product is achieved; meanwhile, the first conversion shaft rotates, the conversion belt wheel drives the second driven belt wheel to rotate through the second synchronous belt, and then all the transmission rollers are driven to rotate in the same direction, so that the purpose of driving the printed product to move is achieved.
Furthermore, the side wall of the support frame is symmetrically and rotatably connected with a plurality of tension pulleys capable of tensioning the second synchronous belt. And a tension wheel is arranged, so that the compactness of the transmission of the second synchronous belt is improved.
Furthermore, tensioning rollers capable of tensioning the film are symmetrically arranged on the supporting frame. The tensioning roller can improve the effect of tectorial membrane with the film tensioning.
Further, relative position all is equipped with the rotation hole on the support frame, rotates downthehole all to rotate and is connected with double threaded screw, and the tensioning roller includes that fixed axle and rotation between the double threaded screw of threaded connection connect the tensioning sleeve pipe on fixed axle surface, and the support frame lateral wall is equipped with can hold the gliding spout of fixed axle. The double-end screw is rotated, so that the position between the two tensioning rollers can be adjusted, and further the tensioning degree of the film can be adjusted.
Furthermore, the support frame symmetry is equipped with the recess, and the rigid coupling has the magnetism fixed block in the recess, and magnetism fixed block upper surface and lower surface all are equipped with a plurality of springs, and sliding connection is in the recess respectively at the both ends of guide block and with spring free end rigid coupling, and the part that the guide block is located the recess is equipped with the electro-magnet. The electromagnet is electrified to generate magnetism and is mutually adsorbed with the magnet, the adsorbed magnetic force, the gravity of the guide block and the elastic force of the spring are balanced, the adsorbed magnetic force can be adjusted by adjusting the electrified voltage of the electromagnet, and then the spring is compressed to different lengths, so that the electromagnetic spring is suitable for printing products with different thicknesses.
Furthermore, the surface of the push plate is provided with an elastic rubber pad. The elastic rubber pad is not easy to damage the film and has good protection performance.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic diagram showing a front structure of a double-sided film laminating machine provided by an embodiment of the application;
FIG. 2 is a schematic diagram showing the back structure of a double-sided laminating machine according to an embodiment of the present application;
FIG. 3 is a shaft side view of a guide block of a double-sided film laminator according to an embodiment of the present disclosure;
FIG. 4 shows a cross-sectional view of a guide block of a double-sided laminating machine according to an embodiment of the present application;
FIG. 5 shows a schematic structural diagram of a transmission gear and a rack of a double-sided laminating machine according to an embodiment of the application;
fig. 6 shows a cross-sectional view of a tension roller of a double-sided laminator according to an embodiment of the present application.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.
Reference numerals in the drawings of the specification include: the device comprises a support frame 1, a transmission roller 2, an upper film roller 3, a lower film roller 4, an upper guide block 5, an air outlet 501, a push plate 502, a motor 503, a transmission gear 504, a first rack 505, a second rack 506, a connecting rod 507, a piston rod 508, an air bag 509, an air duct 510, a lower guide block 6, a second driven pulley 7, a second synchronous belt 8, a motor 9, a driving pulley 10, a first driven pulley 11, a conversion pulley 12, a driving gear 13, a tensioning pulley 14, a driven gear 15, a tensioning roller 16, a fixed shaft 1601, a tensioning sleeve 1602 and a double-headed screw 17.
An embodiment of a double-sided laminator is shown in fig. 1: the printing machine comprises symmetrically arranged support frames 1, an upper film roller 3 and a lower film roller 4 which are rotationally connected between the support frames 1 in an up-and-down symmetrical manner, a plurality of driving rollers 2 which are rotationally connected between the support frames 1 and can drive a printed product to move, and a driving mechanism which can drive the film rollers and the driving rollers 2 to rotate.
As shown in fig. 2, the driving device comprises a motor 9 fixedly connected to the side wall of the support frame 1 at the rear side through bolts, a driving pulley 10 connected with an output shaft key of the motor 9, a first conversion shaft and a second conversion shaft rotatably connected to the side wall of the support frame 1, the first conversion shaft key is connected with a first driven pulley 11 and a conversion pulley 12, the second conversion shaft key is connected with a first driven pulley 11 and a driving gear 13, a lower film roller 4 is connected with the first driven pulley 11 through a key, an upper film roller 3 is connected with a driven gear 15 engaged with the driving gear 13 through a key, the driving rollers 2 are all connected with a second driven pulley 7 through keys, a first synchronous belt is arranged between the driving pulley 10 and the first driven pulley 11, and a second synchronous belt 8 is arranged between the conversion pulley 12 and the second driving pulley.
An upper guide block 5 and a lower guide block 6 are also connected between the support frames 1 in an up-down symmetrical sliding manner, the two guide blocks are in mirror symmetry in structure, grooves are symmetrically arranged on the support frames 1, magnetic fixed blocks are fixedly connected in the grooves, a plurality of springs are respectively arranged on the upper surface and the lower surface of each magnetic fixed block, two ends of each guide block are respectively connected in the grooves in a sliding manner and fixedly connected with free ends of the springs, as shown in fig. 3 and 4, electromagnets are arranged on the parts of the guide blocks, which are positioned in the grooves, cavities are respectively arranged in the guide blocks, motors 503 are respectively fixedly connected in the cavities, as shown in fig. 5, output shafts of the motors 503 are respectively and coaxially connected with transmission gears 504, the transmission gears 504 are respectively and symmetrically meshed with a first rack 505 and a second rack 506, free ends of the first rack 505 and the second rack 506 are respectively connected with connecting rods 507 through screws, and free ends of the connecting rods 507 are respectively extended out of the guide blocks and provided with push plates 502 capable of pushing on the surfaces of the films, the surface of the push plate 502 is provided with an elastic rubber pad, and a heating copper wire is arranged in the push plate 502.
All be equipped with gasbag 509 in the cavity, the equal rigid coupling of connecting rod 507 has piston rod 508, and piston rod 508 one end all stretches into in the gasbag 509 and sliding seal connects with the piston, and the guide block lateral wall is equipped with a plurality of inlet ports that communicate with gasbag 509, and the guide block is close to the film and simultaneously is equipped with a plurality of ventholes 501 that communicate with gasbag 509, is equipped with a plurality of air ducts 510 with inlet port and gasbag 509 intercommunication in the cavity, and air duct 510 and venthole 501 department all are equipped with the check valve.
Still including being used for controlling motor 9, motor 503, electro-magnet and the controller of heating copper wire, specifically, adopt PLC or single chip microcomputer controller.
In the implementation process of the invention, taking the direction of fig. 2 as an example, a worker manually places a printed product on the transmission roller 2 at the right end, the controller controls the motor 9 to rotate, the motor 9 drives the driving pulley 10 to rotate counterclockwise, the driving pulley 10 drives the first conversion shaft, the second conversion shaft and one of the film rollers to rotate counterclockwise through the first synchronous belt, the driving gear 13 is meshed with the driven gear 15, the other film roller rotates clockwise, so that the two film rollers rotate in opposite directions, and the purpose of simultaneously coating the upper surface and the lower surface of the printed product is achieved; meanwhile, the first conversion shaft rotates counterclockwise, the conversion belt wheel 12 drives the second driven belt wheel 7 to rotate counterclockwise through the second synchronous belt 8, so as to drive all the transmission rollers 2 to rotate counterclockwise to drive the printed product to move leftwards, the printed product passes through the upper film roller 3 and the lower film roller 4 in the moving process, the film covers the surface of the printed product, when the printed product passes through the space between the upper guide block 5 and the lower guide block 6, the controller controls the electromagnet to be electrified, the electromagnet and the magnetic fixing block are mutually adsorbed, the motor 503 is controlled to rotate in a reciprocating manner, the motor 503 rotates to drive the first rack 505 and the second rack 506 to move back and forth, the first rack and the second rack 506 respectively drive each push plate 502 to move back and forth on the surface of the film, so that the film is more flatly covered on the surface of the printed product, meanwhile, the copper wire is heated to be electrified, the film is softened, and the film covering effect is improved, connecting rod 507 drives push pedal 502 motion, still can drive the reciprocating motion of piston rod 508, makes the reciprocating slip of piston in gasbag 509, breathes in and carminative process, inhales outside air to pressurize through gasbag 509 and discharge through the gas vent, make being heated more even of film, thereby improve the tectorial membrane effect of film, and here, exhaust air still can improve the radiating effect on guide block surface.
In the implementation process of the invention, the electrified voltage of the electromagnet can be adjusted according to the thickness of the printed product, so that the distance between the two guide blocks is adjusted, the film covering effect is ensured, and meanwhile, the positions of the two tensioning rollers 16 can be adjusted through the double-headed screw 17, so that the film is always in a tensioning state, and the film covering effect is improved.
Compared with the prior art, the film laminating machine has the advantages that the guide blocks and the structures inside the guide blocks are arranged, so that the push plate 502 is continuously pushed on the surface of the film in the film laminating process of a printed product, the film can be more smoothly covered on the surface of the printed product, the film adhering effect is improved through the air bag 509, the heat radiation effect of other parts is improved while the heating uniformity of the film is improved, and the problem that the film is easily folded and the film laminating effect is influenced in the film laminating process of the traditional double-sided film laminating machine is solved.
Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (7)
1. A double-sided laminating machine is characterized in that: the printing machine comprises symmetrically arranged support frames, film rollers which are rotationally connected between the support frames in an up-and-down symmetrical manner, a plurality of driving rollers which are rotationally connected between the support frames and can drive a printed product to move, and a driving mechanism which can drive the film rollers and the driving rollers to rotate;
the upper and lower symmetrical sliding connection has guide blocks between the supporting frames, the guide blocks are all provided with cavities, the cavities are all fixedly connected with motors, the output shafts of the motors are all coaxially connected with transmission gears, the transmission gears are all symmetrically meshed with racks, the free ends of the racks are all fixedly connected with connecting rods, the free ends of the connecting rods extend out of the guide blocks and are provided with push plates capable of being pushed on the surface of the film, and heating copper wires are arranged in the push plates;
the cavity is internally provided with an air bag, the connecting rod is fixedly connected with a piston rod, one end of the piston rod extends into the air bag and is connected with a piston in a sliding and sealing manner, the side wall of the guide block is provided with a plurality of air inlet holes communicated with the air bag, the guide block is close to the film and is provided with a plurality of air outlet holes communicated with the air bag, the cavity is internally provided with a plurality of air guide tubes communicated with the air inlet holes and the air bag, and the air guide tubes and the air outlet holes are respectively provided with a one-way valve.
2. A double-sided laminating machine according to claim 1, characterized in that, actuating mechanism includes the motor that rigid coupling is in the support frame lateral wall, the driving pulley with the output shaft coaxial coupling of motor, rotate first switching shaft and the second switching shaft that connects at the support frame lateral wall, first driven pulley and switching pulley are connected to first switching shaft coaxial coupling, second switching shaft coaxial coupling has first driven pulley and driving gear, one of the film roller coaxial coupling has first driven pulley, another film roller coaxial coupling has the driven gear with the driving gear meshing, the driving roller all coaxial coupling has the second driven pulley, be equipped with first synchronous belt between driving pulley and the first driven pulley, be equipped with the second synchronous belt between switching pulley and the second driving pulley.
3. A double-sided laminating machine according to claim 2, characterized in that the side walls of the supporting frame are symmetrically and rotatably connected with a plurality of tension pulleys capable of tensioning the second synchronous belts.
4. A double-sided laminating machine according to claim 1, characterized in that tensioning rollers capable of tensioning the film are also symmetrically arranged on the supporting frame.
5. A double-sided laminating machine according to claim 4, characterized in that the support frame is provided with rotating holes at opposite positions, the rotating holes are rotatably connected with double-headed screws, the tensioning roller comprises a fixed shaft which is in threaded connection between the double-headed screws and a tensioning sleeve which is rotatably connected to the surface of the fixed shaft, and the side wall of the support frame is provided with a sliding groove which can accommodate the fixed shaft to slide.
6. A double-sided laminating machine according to claim 1, characterized in that the support frame is symmetrically provided with grooves, magnetic fixing blocks are fixedly connected in the grooves, a plurality of springs are respectively arranged on the upper surface and the lower surface of each magnetic fixing block, both ends of the guide block are respectively connected in the grooves in a sliding manner and fixedly connected with the free ends of the springs, and electromagnets are arranged on the parts of the guide blocks in the grooves.
7. A double-sided laminating machine according to claim 1, characterized in that the push plate is provided with an elastic rubber mat on its surface.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110509982.7A CN113352748B (en) | 2021-05-11 | 2021-05-11 | Double-sided film laminating machine |
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| CN202110509982.7A CN113352748B (en) | 2021-05-11 | 2021-05-11 | Double-sided film laminating machine |
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| CN113352748A CN113352748A (en) | 2021-09-07 |
| CN113352748B true CN113352748B (en) | 2022-07-26 |
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| CN113352748A (en) | 2021-09-07 |
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