Heat transfer film laminating device

Abstract

The utility model discloses a heat transfer printing film laminating device which comprises a frame body and a plurality of rolling shafts rotationally arranged on the frame body and used for conveying heat transfer printing films, the rolling shafts rotationally arranged at the corresponding positions of the frame body form an unwinding end and a winding end, and a laminating assembly used for the heat transfer printing films is arranged on the frame body and corresponds to the position between the unwinding end and the winding end. The pressure roller structure is formed by two sets of rolling shafts which rotate in an up-down attached mode, the fixing plate is installed on the frame body and arranged behind a pressure roller, a through groove is formed in the upper side portion of the fixing plate, and a plurality of installation grooves are formed in the plate body corresponding to the upper portion of the through groove. According to the heat transfer printing film laminating device, the laminating stability of a heat transfer printing film can be guaranteed, operation such as mounting, dismounting, replacement and cleaning can be conveniently carried out through the connecting mode and the structural arrangement of the multiple sets of pressing plates on the fixing plate, and the phenomenon of bubbles or wrinkles is effectively reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of heat transfer film production and processing, in particular to a heat transfer film laminating device. Background Art

[0002] Thermal transfer film, a medium used in thermal transfer printing, typically consists of three to five layers: a base layer, a printed layer, and an adhesive layer. Four-layer thermal transfer film also includes a release layer, while five-layer thermal transfer film incorporates an additional hot-melt adhesive layer. These layers work together to ensure that the pattern or coating is separated from the base film and securely transferred to the target material.

[0003] In the production process of thermal transfer film, a laminating device is often used to glue and press the different layers of raw material films required. The commonly used laminating structure usually adopts a pressure roller for pressing. At the same time, according to the process of the thermal transfer process in the later stage of the thermal transfer film, the heating system is often used in the pressing process to transfer the pattern or coating on the thermal transfer film. However, bubbles or wrinkles are often inevitable in the thermal transfer film formed after the pressing process. If not handled in time, the colloid on the thermal transfer film dries quickly or it is often difficult to clean and adjust after the temperature cools down, which reduces the production quality of the thermal transfer film and the subsequent transfer effect. Utility Model Content

[0004] The purpose of the utility model is to provide a thermal transfer film laminating device, which can ensure the lamination stability of the thermal transfer film, effectively reduce the phenomenon of bubbles or wrinkles, and further improve the flatness of the thermal transfer film after lamination and its subsequent transfer effect.

[0005] The technical solution adopted by the present invention to solve the above problems is:

[0006] A thermal transfer film laminating device comprises a frame and a plurality of rollers rotatably arranged thereon for conveying the thermal transfer film, the rollers rotatably arranged at corresponding positions of the frame form a unwinding end and a winding end, a pressing assembly for the thermal transfer film is arranged between the corresponding unwinding end and the winding end on the frame, the pressing assembly comprises a pressure roller structure formed by two groups of rollers rotating in contact with each other up and down, and a fixed plate installed on the frame and arranged behind the pressure roller, a through groove is provided on the upper side of the fixed plate and a plurality of mounting grooves are provided on the plate above the corresponding through grooves, and multiple groups of pressure plates are slidably arranged on the mounting grooves.

[0007] Preferably, the pressure plate is connected and fixed by a plurality of slide bars provided at corresponding positions on both sides of the mounting groove on the fixed plate, a plurality of groups of compression springs sleeved on the outer sides thereof, and an adjusting member rotatably provided on the slide bars.

[0008] Preferably, the pressing plate includes a first connecting plate for fixing the pressing plate and a second connecting plate for pressing the heat transfer film, which is installed below the first connecting plate through a detachable structure, and the second connecting plate is arranged in a different structure.

[0009] Preferably, a second mounting groove is provided in the second connecting plate, and a second pressing roller shaft is rotatably provided in the second mounting groove.

[0010] Preferably, the second pressing roller shafts are provided in different lengths and are provided in multiple groups accordingly, and are installed in the second installation groove through a detachable structure.

[0011] Preferably, a second pressure roller structure is provided at the winding end behind the fixed plate along the conveying direction of the thermal transfer film on the frame, and the second pressure roller and the pressure roller are respectively placed on both sides of the fixed plate and flush with the through slot.

[0012] Preferably, the unwinding end is further provided with a glue coating assembly, which includes a glue storage box, a glue coating shaft rotatably arranged inside the glue storage box, and a driving motor connected to one end of the glue coating shaft on the glue storage box.

[0013] Compared with the prior art, the present invention has the following advantages and effects:

[0014] The utility model relates to a thermal transfer film laminating device, which can not only ensure the lamination stability of the thermal transfer film, but also the connection mode and structural setting of the multiple groups of pressure plates on the fixed plate can facilitate installation, disassembly, replacement, cleaning and other operations, and effectively reduce the phenomenon of bubbles or wrinkles, further improve the flatness of the thermal transfer film after lamination and its subsequent transfer effect, and at the same time, it can also perform the corresponding use process of a corresponding number of pressure plates according to different usage requirements, and can conveniently replace the use of pressure plates of the same specification according to abnormal situations occurring during the lamination process, thereby improving the stability and efficiency of the lamination process. In addition, the multiple groups of pressure plates can be set and installed with scraper structures of different specifications or other similar laminating plate structures according to specific usage requirements, which can ensure the lamination stability while also playing a certain cleaning role on the impurities on the surface of the thermal transfer film, meet different usage requirements, and improve applicability and practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of a thermal transfer film laminating device according to an embodiment of the present utility model.

[0016] Figure 2-3 It is an enlarged structural diagram of the pressing assembly of an embodiment of the utility model.

[0017] Figure 4 It is a structural schematic diagram of a pressing plate according to an embodiment of the present utility model.

[0018] Figure 5 It is a partial enlarged view of the internal structure of the second connecting plate of the embodiment of the present utility model.

[0019] Figure numbers: frame 100, roller 110, unwinding end 101, rewinding end 102, driving component 103, thermal transfer film 120, pressure roller 130, second pressure roller 140, pressing assembly 1, fixing plate 11, through groove 111, mounting groove 112, slide rod 113, pressure plate 12, through hole 121, first connecting plate 122, second connecting plate 123, second mounting groove 124, slide groove 1241, second pressure roller shaft 125, baffle 126, compression spring 13, adjusting part 14, glue coating assembly 2, glue storage box 21, glue coating shaft 211, driving motor 22. DETAILED DESCRIPTION

[0020] The present invention will be described in detail below with reference to the accompanying drawings and through examples. The following examples are intended to explain the present invention, but the present invention is not limited to the following examples.

[0021] See also Figure 1-2 , this embodiment relates to a thermal transfer film 120 laminating device, including a frame 100 and a plurality of rollers 110 rotatably arranged thereon for conveying the thermal transfer film 120, the rollers 110 rotatably arranged at corresponding positions of the frame 100 form a unwinding end 101 and a winding end 102, and a pressing component 1 for the thermal transfer film 120 is arranged between the corresponding unwinding end 101 and the winding end 102 on the frame 100, the pressing component 1 includes a pressure roller 130 structure formed by two groups of rollers 110 rotating in contact with each other up and down, and a fixed plate 11 installed on the frame 100 and placed behind the pressure roller 130, a through groove 111 is opened on the upper side of the fixed plate 11 and a plurality of mounting grooves 112 are opened on the plate body above the corresponding through grooves 111, and multiple groups of pressing plates 12 are slidably arranged on the mounting grooves 112.

[0022] Specifically in this embodiment, Figure 1 -(1) and Figure 1 - (2) shows the overall structure of the thermal transfer film 120 laminating device. During the production process, the thermal transfer film 120 can pass through the corresponding rollers 110 at the corresponding unwinding end 101 and the rewinding end 102 on the frame 100 and cooperate with the multiple sets of driving components 103 connected to one end of the corresponding rollers 110 on the frame 100 to realize the raw material film unwinding, conveying and rewinding process of the thermal transfer film 120. For details, see the conveying process. Figure 2As shown, the pressing assembly 1 can uniformly press the multi-layer raw material film conveyed on the roller 110. Specifically, the multi-layer raw material film can be preliminarily pressed by the pressure roller 130 structure in advance, and at the same time, it can pass through the through groove 111 opened on the side of the fixed plate 11 along the conveying direction of the roller 110 to reach the winding end 102 for winding. The thermal transfer film 120 that is penetrated in the through groove 111 and preliminarily pressed and formed by the pressure roller 130 structure can be provided with multiple sets of pressing plates on the corresponding mounting groove 112 of the plate body of the fixed plate 11 above the through groove 111. 12 is pressed and leveled for the second time. Specifically, the sliding connection between the pressing plate 12 and the fixed plate 11 in the mounting groove 112 can be connected by a conventional threaded rod structure. The threaded rod can pass through the through holes 121 opened on both sides of the corresponding pressing plate 12 to perform the initial installation of the pressing plate 12 in the corresponding mounting groove 112 on the fixed plate 11. At the same time, the multiple sets of nut structures provided thereon can be rotated to be placed on the upper and lower sides of the through holes 121 respectively, so as to realize the sliding connection of the pressing plate 12 on the mounting groove 112 and the corresponding height adjustment thereof, so that the bottom of the pressing plate 12 is aligned with the through holes 121. The heat transfer film 120 passed through the through groove 111 contacts and is adapted to be pressed, and the secondary pressing process of the heat transfer film 120 is carried out. This heat transfer film 120 laminating device can not only ensure the lamination stability of the heat transfer film 120, but also the connection mode and structural setting of the multiple groups of pressing plates 12 on the fixed plate 11 can facilitate installation, disassembly, replacement, cleaning and other operations, and effectively reduce the phenomenon of bubbles or wrinkles, further improve the flatness of the heat transfer film 120 after lamination and its subsequent transfer effect, and can also be adjusted according to different usage requirements. The corresponding usage process of the corresponding number of pressing plates 12, and the same specification pressing plates 12 can be conveniently replaced according to abnormal situations occurring during the lamination process, thereby improving the stability and efficiency of the lamination process. In addition, the multiple groups of pressing plates 12 can be set and installed with scraper structures of different specifications or other similar laminating plate 12 structures according to specific usage requirements, which can ensure the lamination stability while also playing a certain cleaning role on the impurities on the surface of the thermal transfer film 120, meet different usage requirements, and improve applicability and practicality.

[0023] The pressing plate 12 is connected and fixed by a plurality of slide bars 113 provided at corresponding positions on both sides of the mounting groove 112 on the fixing plate 11 and a plurality of groups of compression springs 13 provided on the outer side thereof and an adjusting member 14 rotatably provided on the slide bar 113. Figure 3The connection method between the pressure plate 12 and the fixed plate 11 shown in the figure is that the sliding rods 113 provided at the corresponding positions on both sides of the mounting groove 112 on the fixed plate 11 can adapt to the adaptation through holes 121 provided on both sides of the pressure plate 12 and at the same time contact with the compression spring 13 provided on the outer side of the lower sliding rod 113. At the same time, the adjusting member 14 can adopt a conventional threaded structure to adapt and rotate above the sliding rod 113 and move downward along the sliding rod 113 during the rotation process, thereby realizing the up and down movement of the pressure plate 12 on the mounting groove 112. The setting of this connection method can further improve the disassembly flexibility and adjustment convenience of multiple groups of pressure plates 12 on the fixed plate 11.

[0024] The pressing plate 12 includes a first connecting plate 122 for fixing the pressing plate 12 and a second connecting plate 123 for pressing the heat transfer film 120, which is installed below the first connecting plate 122 through a detachable structure. The second connecting plate 123 has different structural settings, such as Figure 4 The first connecting plate 122 and the second connecting plate 123 thereon are structurally arranged to be detachably connected by bolts. The corresponding structural arrangement of the second connecting plate 123 can be made according to different usage requirements to have different lamination effects. At the same time, it is convenient to carry out the installation and disassembly of the second connecting plate 123 and improve the detachability of the pressure plate 12 structure.

[0025] The second connecting plate 123 is provided with a second mounting groove 124, and the second pressing roller shaft 125 is rotatably provided in the second mounting groove 124. Figure 4 The arrangement of the second pressure roller shaft 125 on the second connecting plate 123 is shown in the figure. The arrangement of the second pressure roller shaft 125 can be coordinated with the pressure roller 130 structure and the corresponding lamination structure arrangement of the second connecting plate 123 on the pressure plate 12 according to different lamination requirements. The second pressure roller shaft 125 can perform multiple lamination and leveling functions on the thermal transfer film 120, thereby improving the use effect, application scope and functional diversity of the pressure plate 12.

[0026] The second pressing roller shaft 125 is provided in different lengths and is provided in multiple groups, and is installed in the second installation groove 124 through a detachable structure. Figure 5 As shown, the second pressure roller shaft 125 is detachably connected through the slide grooves 1241 provided on both sides of the second mounting groove 124 on the second connecting plate 123 and the baffle 126 slidably provided on the slide groove 1241, thereby improving the detachability and ease of use of the second connecting plate 123. Figure 4 As shown in the figure, corresponding structures at different lengths are set to achieve a phase-staggered lamination process of the corresponding thermal transfer film 120, effectively improving the lamination effect and lamination stability.

[0027] The winding end 102 of the frame 100 behind the fixed plate 11 along the conveying direction of the thermal transfer film 120 is also provided with a second pressure roller 140 structure. The second pressure roller 140 and the pressure roller 130 are respectively placed on both sides of the fixed plate 11 and are flush with the through groove 111. Figure 1 The structure of the pressure roller 130 and the position setting method of the second pressure roller 140 shown in this setting method can further improve the conveying stability of the thermal transfer film 120 through the through groove 111 on the fixed plate 11, so that the thermal transfer film 120 passes through the through groove 111 on the fixed plate 11 and has a certain flatness, effectively improving the lamination effect.

[0028] The unwinding end 101 is further provided with a glue coating component 2, which includes a glue storage box 21 and a glue coating shaft 211 rotatably provided therein, and a drive motor 22 connected to one end of the glue coating shaft 211 on the glue storage box 21. Figure 1 The structural setting of the gluing component 2 shown and its corresponding position setting on the frame 100, the gluing component 2 can add corresponding adhesives in its glue storage box 21 according to different usage requirements, and through the rotation of the roller 110 at the corresponding position and the conveying process of the thermal transfer film 120 in the corresponding direction, the corresponding gluing shaft 211 is driven to rotate by the driving motor 22 during the early production process of the thermal transfer film 120 to realize the gluing process of the corresponding raw material film, thereby improving the functional diversity of this thermal transfer film 120 laminating device, and the structure is simple and convenient to operate and adjust, meeting different usage environments and usage requirements, and improving the working efficiency of this laminating device.

[0029] The above contents described in this specification are merely examples of the present invention. Those skilled in the art of the present invention may make various modifications, additions, or substitute similar methods to the specific embodiments described, as long as they do not deviate from the contents of this specification or exceed the scope defined by the claims, and shall fall within the scope of protection of the present invention.

Claims

1. A thermal transfer film laminating device, comprising a frame and a plurality of rollers rotatably mounted thereon for conveying the thermal transfer film, wherein the rollers rotatably mounted on corresponding positions of the frame form an unwinding end and a rewinding end, characterized in that: A pressing assembly for the thermal transfer film is provided between the corresponding unwinding end and the winding end on the frame, and the pressing assembly includes a pressure roller structure formed by two groups of rollers that rotate in an upper and lower manner, and a fixed plate installed on the frame and placed behind the pressure roller, a through groove is provided on the upper side of the fixed plate, and a plurality of mounting grooves are provided on the plate body above the corresponding through grooves, and multiple groups of pressure plates are slidably provided on the mounting grooves, and the pressure plates are connected and fixed by a plurality of sliding rods provided at corresponding positions on both sides of the mounting groove on the fixed plate, a plurality of compression springs sleeved on the outer side thereof, and an adjusting member rotatably provided on the sliding rod.

2. The thermal transfer film laminating device according to claim 1, wherein: The pressing plate includes a first connecting plate for fixing the pressing plate and a second connecting plate for pressing the heat transfer film, which is installed below the first connecting plate through a detachable structure. The second connecting plate is arranged in a different structure.

3. The thermal transfer film laminating device according to claim 2, wherein: The second connecting plate is provided with a second mounting groove, and a second pressing roller shaft is rotatably provided in the second mounting groove.

4. The thermal transfer film laminating device according to claim 3, wherein: The second pressing roller shafts are provided in different lengths and are provided in multiple groups accordingly, and are installed in the second installation groove through a detachable structure.

5. The thermal transfer film laminating device according to claim 1, wherein: A second pressure roller structure is also provided at the winding end behind the fixed plate along the conveying direction of the thermal transfer film on the frame. The second pressure roller and the pressure roller are respectively placed on both sides of the fixed plate and are flush with the through slot position.

6. The thermal transfer film laminating device according to claim 1, wherein: The unwinding end is further provided with a glue coating component, which includes a glue storage box, a glue coating shaft rotatably arranged inside the glue storage box, and a driving motor connected to one end of the glue coating shaft on the glue storage box.

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