A label thermal transfer ribbon coating machine and coating process

Abstract

The present application relates to the technical field of printing, and particularly relates to a label thermal transfer carbon ribbon coating machine and a coating process, which comprises a placing plate, the upper end of the placing plate is provided with a supporting plate, the front end of the supporting plate is provided with two coating elements, the two coating elements are symmetrical left and right and are distributed up and down, and two drying modules are symmetrically installed on the upper and lower parts of the middle of the front end of the supporting plate. The existing white film coating method usually adopts a coating machine to perform coating treatment on the white film, the coating machine can effectively coat the required glue on the surface of the white film and perform drying treatment, and the coating effect is good, but the existing coating machine can usually only perform coating treatment on one surface of the white film in one coating process, and the coating efficiency of the white film is reduced. The two coating mechanisms distributed up and down in the present application work simultaneously, the two surfaces of the white film can be coated in one coating process, and therefore the coating efficiency of the white film is improved.

Description

Technical Field

[0001] This invention relates to the field of printing technology, and in particular to a thermal transfer ribbon coating machine and coating process for labels. Background Technology

[0002] Thermal transfer ribbons are the basic consumables of thermal transfer technology. With the rapid development of the computer industry, the application fields of this thermal consumable material are becoming wider and wider, and it is widely used in the printing of QR codes or barcodes in various fields such as food and medicine, aerospace, automotive industry and electronics and power.

[0003] Carbon ribbons are formed by a series of coatings on a white film. Untreated white film often needs to be coated on both sides for convenient use. Existing white film coating methods usually use a coating machine to coat the white film. Existing coating machines can effectively apply the required adhesive to the surface of the white film and perform drying treatment, resulting in good coating effect and stable coating operation.

[0004] However, existing coating machines can usually only coat one side of the white film in one coating process. After one coating is completed, the carbon ribbon needs to be removed manually and the white film needs to be changed before it can be installed on the coating machine for another coating process. This operation reduces the coating efficiency of the white film and increases the labor consumption. The drying equipment on the coating machine will have a certain temperature after it is turned off, and there will be certain safety hazards when the white film passes through the drying equipment after changing the side. Summary of the Invention

[0005] The technical problem to be solved: The present invention provides a thermal transfer ribbon coating machine and coating process for labels, which can solve the problems mentioned above when coating white film.

[0006] Technical Solution: To achieve the above objectives, the present invention adopts the following technical solution: a label heat transfer ribbon coating machine, comprising a placement plate, a support plate mounted on the upper end of the placement plate, two coating components mounted on the front end of the support plate, the two coating components being symmetrically arranged horizontally and vertically, two drying modules being symmetrically installed vertically in the middle of the front end of the support plate, and a winding component connected to the front end of the support plate.

[0007] The coating component includes a guide plate installed at the front end of the support plate. A sliding groove is provided at the upper end of the guide plate. A guide rod is installed between the left and right walls of the sliding groove. A support rod is sleeved on the guide rod. An adjusting screw is rotatably connected to the end of the support rod away from the drying module. An auxiliary plate installed at the upper end of the guide plate is sleeved and threaded on the outer surface of the adjusting screw. A coating mechanism is installed at the upper end of the support rod. An auxiliary roller rotatably connected to the front end of the support plate is provided on the side of the coating mechanism closer to the drying module.

[0008] As a preferred embodiment of the present invention, the coating mechanism includes a glue collection frame installed on the upper end of the support rod. The glue collection frame has an upward-opening U-shaped structure. The middle section of the glue collection frame slopes downward from the support rod to the auxiliary roller. Rectangular rods are installed on the inner end faces of the front and rear frame walls of the glue collection frame. A coating roller is rotatably connected between the two rectangular rods and the auxiliary roller inside the glue collection frame. The front end of the coating roller passes through the front frame wall of the glue collection frame and is fixedly connected to the output shaft of a drive motor. The drive motor is fixedly connected to the front end of the glue collection frame. A limiting plate is sleeved on the rectangular rod. The limiting plate is rotatably engaged with the coating roller. A tightening screw is threadedly connected to the upper end of the limiting plate. The lower end of the tightening screw contacts the upper end of the rectangular rod. A top sealing unit connected to the glue collection frame is provided below the coating roller.

[0009] As a preferred embodiment of the present invention, the winding component includes two placement rollers rotatably connected to the front end of the support plate. The two placement rollers are diagonally distributed vertically. To the left of the lower placement roller, two cleaning mechanisms are symmetrically distributed vertically. The cleaning mechanisms are fixedly connected to the support plate. Above the upper cleaning mechanism, a tensioning mechanism is installed at the front end of the support plate. Above the lower auxiliary roller, a first transmission roller is arranged. Below the upper auxiliary roller, a second transmission roller is arranged. Above the upper auxiliary roller, a third transmission roller is arranged. The first, second, and third transmission rollers are all rotatably connected to the support plate.

[0010] As a preferred embodiment of the present invention, the top sealing unit includes a connecting frame installed at the lower end of the glue collection frame near the coating roller. The connecting frame has an upward-facing U-shaped structure. A lifting screw is threaded through the middle section of the connecting frame. A top sealing block that penetrates the lower frame wall of the glue collection frame is rotatably connected to the upper end of the lifting screw. The upper end of the top sealing block is provided with an arc surface, and a sealing ring is sleeved on the side wall of the top sealing block.

[0011] As a preferred embodiment of the present invention, the cleaning mechanism includes a connecting pipe that runs through and is installed on the support plate, a cleaning frame is installed at the front end of the connecting pipe, and a plurality of evenly distributed air outlet pipes are installed on the cleaning frame.

[0012] As a preferred embodiment of the present invention, the tensioning mechanism includes an electric push rod installed at the front end of the support plate, a push frame installed at the left end of the electric push rod, the push frame having a U-shaped structure with the opening facing left, and a tensioning roller rotatably connected between the front and rear side walls of the push frame.

[0013] As a preferred embodiment of the present invention, the limiting plate is provided with an arc-shaped opening at one end near the coating roller, a rubber pad is provided inside the arc-shaped opening, the rubber pad is in close contact with the outer surface of the coating roller, and a gathering plate is provided at the upper end of the arc-shaped opening, which is inclined outward and installed on the limiting plate.

[0014] As a preferred embodiment of the present invention, the outer surface of the rectangular rod is uniformly provided with scales for determining the moving length of the limiting plate.

[0015] In addition, the present invention also provides a coating process for thermal transfer ribbon coating for labels, specifically including the following steps:

[0016] S1: The roll of carbon ribbon to be coated is placed on the winding device manually and pulled and wound. The carbon ribbon passes around the auxiliary roller located on the lower side from bottom to top, then passes through the drying module located on the lower side and then passes around the auxiliary roller located on the upper side. Finally, the carbon ribbon passes through the drying module located on the upper side and is connected to the winding device.

[0017] S2: The carbon ribbon is tensioned by the winding mechanism;

[0018] S3: Manually place the required adhesive into the upper and lower coating mechanisms respectively, start the coating mechanism, and the coating mechanism will come into contact with and adhere to the adhesive;

[0019] S4: Manually rotate the adjusting screw. The adjusting screw drives the coating mechanism to move towards the carbon ribbon and make contact with the carbon ribbon. Start the winding mechanism. The winding mechanism drives the carbon ribbon to move. The two coating mechanisms cooperate with the corresponding auxiliary rollers to apply the adhesive to both sides of the carbon ribbon. The carbon ribbon passes through two drying modules. The drying modules dry the adhesive on the surface of the carbon ribbon. The carbon ribbon coating is completed. Manually remove the carbon ribbon from the winding mechanism. Coating is complete.

[0020] Beneficial effects: 1. The label thermal transfer ribbon coating machine provided by the present invention adopts two coating mechanisms distributed at the top and bottom to work simultaneously. It can coat both sides of the white film in one coating process, avoiding the need to disassemble and change the sides of the white film for re-coating after one coating. This improves the efficiency of white film coating, reduces manpower input, and avoids some safety hazards caused by changing the sides of the white film.

[0021] 2. The coating mechanism of the label thermal transfer ribbon coating machine provided by the present invention can realize the function of quickly positioning the coating width, eliminating the need for repeated manual measurement and positioning, and further improving the efficiency of the coating machine.

[0022] 3. The label heat transfer ribbon coating machine provided by the present invention has a gathering plate at the end of the limiting plate. The gathering plate can gather the glue squeezed by the coating roller during coating inward, so as to prevent the width of the glue coated by the coating roller from gradually increasing, thus ensuring the consistency of the glue coating and improving the coating effect of the ribbon. Attached Figure Description

[0023] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0024] Figure 1This is a first-view three-dimensional structural diagram of the present invention.

[0025] Figure 2 This is a second-view three-dimensional structural diagram of the present invention.

[0026] Figure 3 This is the front view of the present invention.

[0027] Figure 4 This is the left view of the present invention.

[0028] Figure 5 This is the present invention. Figure 4 Sectional view of AA.

[0029] Figure 6 This is the present invention. Figure 5 A magnified view of the N-axis.

[0030] Figure 7 This is a schematic diagram illustrating the operation of the present invention.

[0031] In the diagram: 1. Placement plate; 2. Support plate; 3. Coating component; 31. Guide plate; 32. Guide rod; 33. Support rod; 34. Adjusting screw; 35. Coating mechanism; 351. Glue collection frame; 352. Rectangular rod; 353. Coating roller; 354. Drive motor; 355. Limiting plate; 3551. Gathering plate; 356. Tightening screw; 357. Top sealing unit; 3571. Connecting frame; 3 572. Lifting screw; 3573. Top sealing block; 36. Auxiliary roller; 4. Drying module; 5. Winding component; 51. Placement roller; 52. Cleaning mechanism; 521. Connecting pipe; 522. Cleaning frame; 523. Air outlet pipe; 53. Tensioning mechanism; 531. Electric push rod; 532. Pushing frame; 533. Tensioning roller; 54. No. 1 drive roller; 55. No. 2 drive roller; 56. No. 3 drive roller. Detailed Implementation

[0032] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but the present invention can be implemented in many different ways as defined and covered by the claims.

[0033] See Figures 1-4 A label heat transfer ribbon coating machine includes a placement plate 1, a support plate 2 installed on the upper end of the placement plate 1, two coating parts 3 installed at the front end of the support plate 2, the two coating parts 3 being symmetrically arranged horizontally and vertically, two drying modules 4 being symmetrically installed vertically at the middle of the front end of the support plate 2, and a winding part 5 connected to the front end of the support plate 2.

[0034] See Figure 1 and Figure 5The winding component 5 includes two placement rollers 51 rotatably connected to the front end of the support plate 2. The two placement rollers 51 are diagonally distributed vertically. To the left of the lower placement roller 51, there are two cleaning mechanisms 52 symmetrically distributed vertically. The cleaning mechanisms 52 are fixedly connected to the support plate 2. Above the upper cleaning mechanism 52, there is a tensioning mechanism 53 installed at the front end of the support plate 2. Above the lower auxiliary roller 36, there is a first transmission roller 54. Below the upper auxiliary roller 36, there is a second transmission roller 55. Above the upper auxiliary roller 36, there is a third transmission roller 56. The first transmission roller 54, the second transmission roller 55, and the third transmission roller 56 are all rotatably connected to the support plate 2.

[0035] See Figure 1 , Figure 5 and Figure 7 In practice, the operator manually places the roll of white film to be coated onto the lower placement roller 51, which is an existing device with a fixed limit. Then, the take-up drum is placed onto the upper placement roller 51. One end of the white film is manually pulled and passed between the two cleaning mechanisms 52, around the tensioning mechanism 53 and the first drive roller 54, and then through the lower drying module 4, which is an existing drying device. It continues to pass around the second drive roller 55 and the third drive roller 56, and then through the upper drying module 4. Finally, it is connected to the take-up drum, thereby installing the white film onto the winding component 5. The placement roller 51 is connected to an existing self-locking drive motor.

[0036] See Figure 1 and Figure 5 The cleaning mechanism 52 includes a connecting pipe 521 that runs through the support plate 2. A cleaning frame 522 is installed at the front end of the connecting pipe 521, and multiple evenly distributed air outlet pipes 523 are installed on the cleaning frame 522.

[0037] See Figure 1 and Figure 5 In practice, the existing air pump is manually connected to the connecting pipe 521, the air pump is started, and the air pump injects air into the cleaning frame 522 through the connecting pipe 521. The air is then discharged from the air outlet pipe 523 on the cleaning frame 522 to the carbon ribbon. The multiple air outlet pipes 523 distributed vertically can effectively clean both sides of the white film at the same time, removing lint and dust from the surface of the white film, which is convenient for subsequent coating.

[0038] See Figure 1 and Figure 5 The tensioning mechanism 53 includes an electric push rod 531 installed at the front end of the support plate 2. A push frame 532 is installed at the left end of the electric push rod 531. The push frame 532 has a U-shaped structure with the opening facing left. A tensioning roller 533 is rotatably connected between the front and rear side walls of the push frame 532.

[0039] See Figure 1 and Figure 5 In actual operation, the electric push rod 531 is activated, and the electric push rod 531 drives the tensioning roller 533 to push the white film through the push frame 532. The white film is stretched by force, thereby realizing the function of tensioning the white film.

[0040] See Figure 1 and Figure 5 The coating component 3 includes a guide plate 31 installed at the front end of the support plate 2. A sliding groove is provided at the upper end of the guide plate 31. A guide rod 32 is installed between the left and right walls of the sliding groove. A support rod 33 is sleeved on the guide rod 32. An adjusting screw 34 is rotatably connected to the end of the support rod 33 away from the drying module 4. An auxiliary plate installed at the upper end of the guide plate 31 is sleeved and threaded on the outer surface of the adjusting screw 34. A coating mechanism 35 is installed at the upper end of the support rod 33. An auxiliary roller 36 is rotatably connected to the front end of the support plate 2 on the side of the coating mechanism 35 closer to the drying module 4.

[0041] See Figure 1 and Figure 5 The coating mechanism 35 includes a glue collection frame 351 mounted on the upper end of the support rod 33. The glue collection frame 351 has an upward-opening U-shaped structure. The middle section of the glue collection frame 351 slopes downward from the support rod 33 to the auxiliary roller 36. Rectangular rods 352 are installed on the inner end faces of the front and rear frame walls of the glue collection frame 351. A coating roller 353 is rotatably connected inside the glue collection frame 351 between the two rectangular rods 352 and the auxiliary roller 36. The front end of the coating roller 353 penetrates the front frame wall of the glue collection frame 351 and is fixedly connected to a drive. The output shaft of the drive motor 354 is fixedly connected to the front end of the glue collection frame 351. A limiting plate 355 is sleeved on the rectangular rod 352. The limiting plate 355 is rotatably engaged with the coating roller 353. A tightening screw 356 is threadedly connected to the upper end of the limiting plate 355. The lower end of the tightening screw 356 contacts the upper end of the rectangular rod 352. A top sealing unit 357 connected to the glue collection frame 351 is provided below the coating roller 353. The outer surface of the rectangular rod 352 is uniformly provided with scales for determining the moving length of the limiting plate 355.

[0042] See Figure 1 , Figure 5 and Figure 7In practical operation, the white film is installed by passing it between the coating mechanism 35 and the auxiliary roller 36. Based on the width of the white film, two limiting plates 355 are manually fitted onto two rectangular rods 352. The markings on the rectangular rods 352 facilitate observation of the distance between the two limiting plates 355, reducing the need for manual measurement of the distance between the two limiting plates 355 and avoiding repeated adjustments after the limiting plates 355 are positioned. After the limiting plates 355 are moved to the working position, the tightening screw 356 is manually rotated, and the lower end of the tightening screw 356 is aligned with... The rectangular rod 352 is pressed tightly against the substrate, thereby fixing the limiting plate 355 onto the rectangular rod 352. Then, the gap between the top sealing unit 357 and the coating roller 353 is adjusted. Next, the adhesive to be coated on the front and back sides of the white film is poured into the two adhesive collection frames 351 between the corresponding two limiting plates 355. The drive motor 354 is then started, causing the coating roller 353 to rotate. The rotating coating roller 353 adheres the adhesive to the surface. The coating roller 353 continues to rotate until the entire surface of the coating roller 353 is covered with adhesive. Then, the drive motor is turned off. Motor 354 rotates adjusting screw 34, which, via support rod 33, moves adhesive collection frame 351 toward the white film. Adhesive collection frame 351 causes coating roller 353 to press tightly against the white film and squeeze it onto auxiliary roller 36. The upper and lower coating rollers 353 cooperate with their respective auxiliary rollers 36, allowing simultaneous coating of both the front and back sides of the white film in a single coating process. This avoids the need to remove the white film after each coating cycle for a second coat, improving coating efficiency and reducing labor costs. After roller 353 is in close contact with the white film, two existing self-locking drive motors are started. The self-locking drive motors drive two placement rollers 51 to rotate. The two placement rollers 51 move the white film. After the white film passes through coating roller 353 and auxiliary roller 36, coating roller 353 applies adhesive to the surface of the white film. After passing through drying module 4, drying module 4 dries the coated white film. After the white film is coated, the self-locking drive motor is turned off. The rolled coated white film is then manually separated from the unused white film and removed from the placement roller 51. Coating is now complete.

[0043] See Figure 1 and Figure 5 The limiting plate 355 has an arc-shaped opening at one end near the coating roller 353. A rubber pad is provided inside the arc-shaped opening and is in close contact with the outer surface of the coating roller 353. A gathering plate 3551 is provided at the upper end of the arc-shaped opening and is installed on the limiting plate 355 at an outward tilt.

[0044] See Figure 1 and Figure 5In actual operation, after the limiting plate 355 is installed on the rectangular rod 352, the rubber pad on the arc-shaped opening is in close contact with the outer surface of the coating roller 353 to prevent the glue between the limiting plates 355 from flowing out. The two gathering plates 3551 on the two limiting plates 355 can gather the glue squeezed by the coating roller 353 during coating inward to prevent the width of the glue coated by the coating roller 353 from gradually increasing, thus ensuring the consistency of the glue coating by the coating roller 353.

[0045] See Figure 1 , Figure 5 and Figure 6 The top sealing unit 357 includes a connecting frame 3571 installed at the lower end of the glue collection frame 351 near the coating roller 353. The connecting frame 3571 has an upward-facing U-shaped structure. A lifting screw 3572 is threaded through the middle section of the connecting frame 3571. A top sealing block 3573 that penetrates the lower frame wall of the glue collection frame 351 is rotatably connected to the upper end of the lifting screw 3572. The upper end of the top sealing block 3573 is provided with an arc surface, and a sealing ring is sleeved on the side wall of the top sealing block 3573.

[0046] See Figure 1 , Figure 5 and Figure 6 In specific operation, after the limit plate 355 is installed, the lifting screw 3572 is manually rotated according to the required coating thickness of the white film. The lifting screw 3572 drives the arc surface on the top sealing block 3573 to move in the direction of the coating roller 353, thereby realizing the function of adjusting the gap between the top sealing block 3573 and the coating roller 353.

[0047] In addition, the present invention also provides a coating process for thermal transfer ribbon coating for labels, specifically including the following steps:

[0048] S1: The roll of white film to be coated is placed on the winding member 5 by hand and pulled and wound. The white film passes through the auxiliary roller 36 located on the lower side from bottom to top, then passes through the drying module 4 located on the lower side and then passes through the auxiliary roller 36 located on the upper side. The white film then passes through the drying module 4 located on the upper side and connects to the winding member 5.

[0049] S2: The white film is tensioned by winding component 5;

[0050] S3: The person manually places the adhesive to be coated into the upper and lower coating mechanisms 35 respectively, starts the coating mechanism 35, and the coating mechanism 35 comes into contact with the adhesive and adheres to it.

[0051] S4: Manually rotate the adjusting screw 34. The adjusting screw 34 drives the coating mechanism 35 to move towards the white film and contact the white film. Start the winding part 5. The winding part 5 drives the white film to move. The two coating mechanisms 35 cooperate with the corresponding auxiliary rollers 36 to apply the adhesive to both sides of the white film. The white film passes through two drying modules 4. The drying modules 4 dry the adhesive on the surface of the white film. The white film coating is completed. Manually remove the white film from the winding part 5. The coating is complete.

[0052] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of protection of this invention is defined by the appended claims and their equivalents.

Claims

1. A label thermal transfer ribbon coating machine, comprising a placement plate (1), wherein a support plate (2) is mounted on the upper end of the placement plate (1), characterized in that: Two coating components (3) are installed at the front end of the support plate (2), the two coating components (3) are symmetrically arranged horizontally and vertically, and two drying modules (4) are symmetrically installed vertically at the middle of the front end of the support plate (2). A winding component (5) is connected to the front end of the support plate (2); wherein: The coating component (3) includes a guide plate (31) installed at the front end of the support plate (2). A sliding groove is provided at the upper end of the guide plate (31). A guide rod (32) is installed between the left and right walls of the sliding groove. A support rod (33) is sleeved on the guide rod (32). An adjusting screw (34) is rotatably connected to the end of the support rod (33) away from the drying module (4). An auxiliary plate installed at the upper end of the guide plate (31) is sleeved on the outer surface of the adjusting screw (34) and threadedly connected to it. A coating mechanism (35) is installed at the upper end of the support rod (33). An auxiliary roller (36) is rotatably connected to the front end of the support plate (2) on the side of the coating mechanism (35) closer to the drying module (4). The coating mechanism (35) includes a glue collection frame (351) installed on the upper end of the support rod (33). The glue collection frame (351) has an upward-opening U-shaped structure. The middle section of the glue collection frame (351) slopes downward from the support rod (33) to the auxiliary roller (36). Rectangular rods (352) are installed on the inner end faces of the front and rear frame walls of the glue collection frame (351). A coating roller (353) is rotatably connected between the two rectangular rods (352) and the auxiliary roller (36) inside the glue collection frame (351). The front end of the coating roller (353) passes through the glue collection frame. The front frame wall of the glue frame (351) is fixedly connected to the output shaft of the drive motor (354). The drive motor (354) is fixedly connected to the front end of the glue collection frame (351). A limiting plate (355) is sleeved on the rectangular rod (352). The limiting plate (355) is rotatably engaged with the coating roller (353). A tightening screw (356) is threadedly connected to the upper end of the limiting plate (355). The lower end of the tightening screw (356) contacts the upper end of the rectangular rod (352). A top sealing unit (357) connected to the glue collection frame (351) is provided below the coating roller (353). The top sealing unit (357) includes a connecting frame (3571) installed at the lower end of the glue collection frame (351) near the coating roller (353). The connecting frame (3571) has an upward-opening U-shaped structure. A lifting screw (3572) is threaded through the middle section of the connecting frame (3571). A top sealing block (3573) that penetrates the lower frame wall of the glue collection frame (351) is rotatably connected to the upper end of the lifting screw (3572). The upper end of the top sealing block (3573) is provided with an arc surface, and a sealing ring is sleeved on the side wall of the top sealing block (3573).

2. The label thermal transfer ribbon coating machine according to claim 1, characterized in that: The winding component (5) includes two placement rollers (51) rotatably connected to the front end of the support plate (2). The two placement rollers (51) are diagonally distributed vertically. To the left of the placement roller (51) on the lower side, there are two cleaning mechanisms (52) symmetrically distributed vertically. The cleaning mechanism (52) is fixedly connected to the support plate (2). Above the cleaning mechanism (52) on the upper side, there is a tensioning mechanism (53) installed at the front end of the support plate (2). Above the auxiliary roller (36) on the lower side, there is a first transmission roller (54). Below the auxiliary roller (36) on the upper side, there is a second transmission roller (55). Above the auxiliary roller (36) on the upper side, there is a third transmission roller (56). The first transmission roller (54), the second transmission roller (55), and the third transmission roller (56) are all rotatably connected to the support plate (2).

3. The label thermal transfer ribbon coating machine according to claim 2, characterized in that: The cleaning mechanism (52) includes a connecting pipe (521) that runs through the support plate (2), a cleaning frame (522) is installed at the front end of the connecting pipe (521), and a plurality of evenly distributed air outlet pipes (523) are installed on the cleaning frame (522).

4. A label thermal transfer ribbon coating machine according to claim 2, characterized in that: The tensioning mechanism (53) includes an electric push rod (531) installed at the front end of the support plate (2). A push frame (532) is installed at the left end of the electric push rod (531). The push frame (532) has a U-shaped structure with the opening facing left. Tensioning rollers (533) are rotatably connected between the front and rear side walls of the push frame (532).

5. A label thermal transfer ribbon coating machine according to claim 1, characterized in that: The limiting plate (355) has an arc-shaped opening at one end near the coating roller (353), and a rubber pad is provided inside the arc-shaped opening. The rubber pad is in close contact with the outer surface of the coating roller (353). A gathering plate (3551) is provided at the upper end of the arc-shaped opening and is installed on the limiting plate (355) at an outward tilt.

6. A label thermal transfer ribbon coating machine according to claim 1, characterized in that: The outer surface of the rectangular rod (352) is uniformly provided with scales for determining the moving length of the limiting plate (355).

7. A label thermal transfer ribbon coating machine according to claim 1, characterized in that: The process of applying carbon ribbon using the aforementioned carbon ribbon coating machine specifically includes the following steps: S1: The roll of white film to be coated is placed on the winding piece (5) by hand and pulled and wound. The white film passes through the auxiliary roller (36) located on the lower side from bottom to top, then passes through the drying module (4) located on the lower side and passes through the auxiliary roller (36) located on the upper side. Then the white film passes through the drying module (4) located on the upper side and connects with the winding piece (5). S2: The white film is tensioned by winding component (5); S3: Manually place the required adhesive into the upper and lower coating mechanisms (35) respectively, start the coating mechanism (35), and the coating mechanism (35) will come into contact with and adhere to the adhesive; S4: Manually rotate the adjusting screw (34). The adjusting screw (34) drives the coating mechanism (35) to move towards the white film and contact the white film. Start the winding part (5). The winding part (5) drives the white film to move. The two coating mechanisms (35) cooperate with the corresponding auxiliary rollers (36) to apply the adhesive to both sides of the white film. The white film passes through two drying modules (4). The drying module (4) dries the adhesive on the surface of the white film. The white film coating is completed. Manually remove the white film from the winding part (5). The coating is completed.

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