Production and inspection device for fluorescent image-text heat transfer film

Abstract

The utility model relates to a production inspection device for a fluorescent image-text heat transfer printing film, which comprises an uncoiling mechanism positioned at a feeding end and a coiling mechanism positioned at a discharging end, a plurality of printing mechanisms are arranged between the uncoiling mechanism and the coiling mechanism, and a coating mechanism and an inspection device are further arranged between the printing mechanism positioned at the tail end and the coiling mechanism. The inspection device is located on one side of the discharging end of the coating mechanism and comprises a second frame body, a second supporting roller and a supporting baffle used for supporting are installed at the bottom of the inner side of the second frame body, an annular light supplementing lamp is installed at the top of the inner side of the second frame body, and a camera installed on the second frame body is arranged in the middle of the light supplementing lamp; according to the utility model, through the arranged inspection device, printed patterns can be inspected, the situations of missing patterns, duplicate patterns, wrong patterns or no patterns can be found and reduced in time, and waste can be effectively prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to a transfer film technical field especially relates to a fluorescent graphic text thermal transfer printing film's production inspection device. BACKGROUND

[0002] The production of fluorescent graphic text thermal transfer printing film involves multiple steps, including coating, printing, gluing, curing, preliminary inspection, slitting, and full inspection. First, a release layer needs to be applied to the surface of the PET film, and then printing is performed according to customer requirements. After printing is complete, the printed thermal transfer printing film is placed in a dedicated curing chamber for curing to prevent the film from sticking to the surface. Next, each batch of thermal transfer printing film is tested for heat transfer to test adhesion, release agent, and color. After that, the large roll of thermal transfer printing film is cut into small rolls according to the customer's desired pattern height and subjected to strict inspection to remove defective products and ensure product quality. Finally, each roll of film has a product identification label and is packed in a plastic bag and a paper box. When there are many goods, a pallet and packing tape are used for packaging.

[0003] In addition, the production process of fluorescent graphic text thermal transfer printing film also includes coating an adhesive layer to ensure that the adhesive layer is coated after the printing layer is dry. This can be done on the last color group of the intaglio printing machine. The drying temperature is adjusted according to the characteristics of the base film. After completion, the film is wound and cut into the desired width of the finished product.

[0004] After searching, Chinese patent application No. 202122901185.1 discloses an intaglio printing machine, which further includes a printing roller, a frame, and an oven. The printing roller is movably connected to the inner side of the frame, and the frame is fixedly connected to the bottom of the oven on both sides. The front of the oven movably connects an automatic winding drum, and the surface of the automatic winding drum is wound with a side baffle. The back of the side baffle is fixedly connected with a connecting block on both sides, and the front of the frame is provided with a mounting groove. The utility model discloses a side baffle is arranged, the motor is started to drive the screw rod to rotate, the screw sleeve is driven to move downward, and the side baffle can protect the printing roller. Although the above-mentioned patent can achieve dust-free printing, it is difficult to discover the problem of missing, overlapping, or missing patterns on the finished product after printing due to the influence of ink, printing plate, scraper, printing speed, and environmental conditions, resulting in waste of production cost.

[0005] Therefore, there is an urgent need for a fluorescent graphic text thermal transfer printing film production inspection device to solve the above problems. SUMMARY

[0006] The utility model aims to overcome the above-mentioned shortcomings and provide a fluorescent graphic text thermal transfer printing film production inspection device to solve the problem of inconvenient inspection of the printed pattern in the prior art, which leads to a delay in discovering the pattern problem and results in waste of production cost.

[0007] The utility model discloses a purpose is realized like this:

[0008] A fluorescent figure and text heat transfer printing film production inspection device, it includes the unwinding mechanism at the feed end and the winding mechanism at the discharge end, a plurality of printing mechanisms are equipped between the unwinding mechanism and the winding mechanism, the printing mechanism at the last end is also equipped with coating mechanism and inspection device between the winding mechanism, the inspection device is located at the discharge end of the coating mechanism one side, the inspection device includes second frame body, the inside bottom of second frame body is installed with second support roller and the support baffle for supporting of second support roller bottom, the inside top of second frame body is installed with annular light supplementing lamp, the middle part of light supplementing lamp is equipped with the camera installed on second frame body.

[0009] Further, the printing mechanism includes a magazine and a printing plate cylinder above the magazine, a printing cylinder is provided above the printing plate cylinder, a drying device is provided above the printing cylinder, and a doctor blade assembly is provided on one side of the printing plate cylinder.

[0010] Further, the coating mechanism includes a first frame body and a UV liquid box provided on the inside bottom of the first frame body, a coating roller is provided above the UV liquid box, a coating pressure roller is provided above the coating roller, and a first guide roller is provided above the coating pressure roller.

[0011] Further, a mounting bracket is mounted on one side of the first frame body close to the inspection device, a UV lamp is provided on the top of the mounting bracket, and a first support roller mounted on the mounting bracket is provided below the UV lamp.

[0012] Further, a second guide roller is provided on the outer end of the mounting bracket.

[0013] Further, side baffles are slidably mounted on both sides of the second frame body, a pressure roller is mounted on the bottom of the side baffles, a bracket is mounted on one side of the second frame body facing the coating mechanism, and a third guide roller is rotatably mounted on the outer end of the bracket.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] The utility model discloses a kind of fluorescent figure and text heat transfer printing film production inspection device, UV liquid coating mechanism is set after printing the printing mechanism of fluorescent ink layer, i.e. setting leveling layer above fluorescent ink layer, selecting UV coating leveling, hiding fluorescent ink layer in whole transfer printing film, without concave-convex sense, also avoid reflected light, to a certain extent on invisibility, greatly improve the use feeling and aesthetic property of product.

[0016] This utility model enables the inspection of printed patterns by setting up an inspection device, which can promptly detect and reduce the occurrence of missing, duplicate, incorrect, or unprinted patterns. This allows for adjustments to ink viscosity and drying speed, inspection and repair of printing plates, ensuring the correct installation and use of the doctor blade, adjustment of printing speed and pressure, and maintenance of a stable workshop environment. It solves the problem of increased production costs caused by the inability to detect printing errors in a timely manner in the prior art.

[0017] This utility model achieves the enclosure of the photo inspection position by setting up a support baffle and a side baffle, effectively reducing the influence of external light on the photographed pattern, and solving the problem in the prior art that the photographed finished pattern is unclear due to the influence of external light, resulting in false reports. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0019] Figure 2 This is a schematic diagram of the coating mechanism structure of this utility model;

[0020] Figure 3 This is a schematic diagram of the testing device of this utility model;

[0021] Figure 4 This is a schematic diagram of the internal structure of the testing device of this utility model.

[0022] In the picture:

[0023] 1. Unwinding mechanism; 2. Printing mechanism; 201. Material box; 202. Printing plate cylinder; 203. Impression cylinder; 204. Drying device; 205. Squeegee assembly; 3. Coating mechanism; 301. First frame; 302. First guide roller; 303. UV lamp; 304. Mounting frame; 305. Second guide roller; 306. First support roller; 307. UV liquid box; 308. Coating roller; 309. Coating pressure roller; 4. Inspection device; 401. Second frame; 402. Side baffle; 403. Support; 404. Third guide roller; 405. Pressure roller; 406. Support baffle; 407. Second support roller; 408. Camera; 409. Fill light; 5. Rewinding mechanism. Detailed Implementation

[0024] To better understand the technical solution of this utility model, a detailed description will be provided below in conjunction with relevant illustrations. It should be understood that the specific embodiments described below are not intended to limit the specific implementation of the technical solution of this utility model, but are merely possible implementations of the technical solution of this utility model. It should be noted that the descriptions of the positional relationships of the components herein, such as component A being located above component B, are based on the relative positions of the components in the illustrations and are not intended to limit the actual positional relationships of the components. Example 1

[0025] Referring to Figures 1-4 , Figure 1 The overall structure of the production and inspection device of a fluorescent graphic thermal transfer film of the present embodiment 1 is drawn. As shown in the figure, the production and inspection device of a fluorescent graphic thermal transfer film of the present embodiment 1 comprises an unwinding mechanism 1 at the feeding end and a winding mechanism 5 at the discharging end, the unwinding mechanism 1 comprises an unwinding shaft, a rack and a tension control device, the winding mechanism 5 comprises a winding shaft, a tension control device and an axial adjusting device, a plurality of printing mechanisms 2 are arranged between the unwinding mechanism 1 and the winding mechanism 5, different colors are printed through different printing mechanisms 2, and the efficiency of multi-color printing is improved; the printing mechanism 2 comprises a material box 201 and a plate cylinder 202 above the material box 201, a printing cylinder 203 is arranged above the plate cylinder 202, a drying device 204 is arranged above the printing cylinder 203, the ink in the material box 201 is printed onto the PET film through the rotating plate cylinder 202, the PET is extruded through the printing cylinder 203 during printing, the printing effect is improved, the printed film passes through the drying device 204, hot air is blown to the printed surface of the film through the drying device 204, and the film is dried, and then enters the next color group for continuous printing; a scraper assembly 205 is arranged on one side of the plate cylinder 202 to scrape off the excess ink on the plate cylinder 202.

[0026] A coating mechanism 3 and an inspection device 4 are further arranged between the last printing mechanism 2 and the winding mechanism 5, the inspection device 4 is arranged on one side of the discharging end of the coating mechanism 3, the finished product after printing is inspected through the inspection device 4, the waste rate is effectively reduced, and the waste is reduced when the printing is wrong; the coating mechanism 3 comprises a first rack body 301 and a UV liquid box 307 arranged at the bottom of the inner side of the first rack body 301, a coating roller 308 is arranged above the UV liquid box 307, a coating pressure roller 309 is arranged above the coating roller 308, a first guide roller 302 is arranged above the coating pressure roller 309, the UV liquid in the UV liquid box 307 is printed onto the film through the coating roller 308, and the uniformity of the coated UV liquid is improved through the extrusion of the coating pressure roller 309 during printing; a mounting rack 304 is mounted on one side of the first rack body 301 close to the inspection device 4, a UV lamp 303 is arranged on the top of the mounting rack 304, a first supporting roller 306 mounted on the mounting rack 304 is arranged below the UV lamp 303, the coated film is supported through the first supporting roller 306, and the UV liquid thereon is cured through the UV lamp 303; a second guide roller 305 is arranged at the outer end of the mounting rack 304 for guiding and facilitating the discharge of the cured film.

[0027] The inspection device 4 comprises a second frame body 401, the inner bottom of the second frame body 401 is provided with a second supporting roller 407 and a supporting baffle 406 for supporting the bottom of the second supporting roller 407, the supporting baffle 406 can also shield the light on both sides of the second supporting roller 407, so as to reduce the influence of light on the bottom of the film on the shooting effect; the inner top of the second frame body 401 is provided with a ring-shaped light supplementing lamp 409, the middle part of the light supplementing lamp 409 is provided with a camera 408 mounted on the second frame body 401, the camera 408 is used for shooting the printed graphics on the second supporting roller 407, after shooting, a signal is transmitted to the control unit for data comparison, if the corresponding position of the fluorescent graphics is correct, the inspection is passed, if there is a lack of graphics, a double image, a wrong image or no image, an alarm is given; the inspection device 4 can inspect the printed patterns, and can effectively reduce the lack of graphics, a double image, a wrong image or no image.

[0028] The two sides of the second frame body 401 are slidably provided with side baffles 402, the side baffles 402 can close the two sides of the second frame body 401, effectively shielding external light sources, reducing the pollution of external light sources on the shooting effect when shooting, effectively improving the accuracy of the shooting finished product, being more accurate during inspection, reducing false positives, improving printing efficiency, the bottom of the side baffle 402 is provided with a compression roller 405, which can prevent scratching when the bottom of the side baffle 402 contacts the film; one side of the second frame body 401 facing the coating mechanism 3 is provided with a support 403, the outer end of the support 403 is rotatably provided with a third guide roller 404, the third guide roller 404 can better receive the film material and guide the film into the second frame body 401 for inspection.

[0029] Working principle:

[0030] The utility model provides a kind of production inspection device of fluorescent graphics thermal transfer film, the material of the base material film layer is PET, is coated release layer by gravure printing equipment, the fluorescent ink layer of custom graphics is printed by digital printing, and the graphics of fluorescent ink layer are formed by plate making, and different graphics can be changed by changing different versions.

[0031] After printing fluorescent ink layer, a layer of UV liquid is coated by gravure printing equipment, UV liquid fills the recess of fluorescent ink layer and covers the recess as a whole, and then gravure printing is flattened, which not only serves as a leveling layer but also as a protective layer for the fluorescent layer. After leveling, the UV coating is formed by solidification. Finally, inspection, winding and cutting are performed.

[0032] In work / using: install the PET material roll on the unwinding mechanism 1, and pull the film on it to the printing mechanism 2, and finally connect with the winding mechanism 5, and wind the film, when passing through multiple printing mechanisms 2, print the ink in the ink box 201 to the film through the plate cylinder 202 and the impression cylinder 203 on the printing mechanism 2, when printing is completed, uniformly coat the UV liquid in the UV liquid box 307 to the film through the coating roller 308 and the coating pressure roller 309 when passing through the coating mechanism 3, after coating is completed, UV curing is carried out by passing through below the UV lamp 303, after curing is completed, enter the inspection device 4, and the film is photographed by the camera 408, if there is a lack of picture, a heavy picture, a wrong picture or no picture, an alarm is given, after inspection, winding is carried out through the winding mechanism 5, and cutting and other operations are carried out later.

[0033] The above is only a specific application example of the utility model, and does not constitute any limitation on the protection scope of the utility model. Any technical scheme formed by equivalent transformation or equivalent replacement falls within the protection scope of the utility model.

Claims

1. A production inspection device for a fluorescent graphic thermal transfer film, characterized by: It includes the uncoiling mechanism (1) at the feeding end and the winding mechanism (5) at the discharging end, a plurality of printing mechanisms (2) are arranged between the uncoiling mechanism (1) and the winding mechanism (5), a coating mechanism (3) and an inspection device (4) are further arranged between the last printing mechanism (2) and the winding mechanism (5), the inspection device (4) is located on one side of the discharging end of the coating mechanism (3), the inspection device (4) comprises a second frame body (401), a second supporting roller (407) is mounted on the inner bottom of the second frame body (401), a supporting baffle (406) for supporting is arranged at the bottom of the second supporting roller (407), a ring-shaped light supplementing lamp (409) is mounted on the inner top of the second frame body (401), and a camera (408) is arranged in the middle of the light supplementing lamp (409) and mounted on the second frame body (401).

2. The production inspection device of a fluorescent graphic thermal transfer film according to claim 1, characterized in that: The printing mechanism (2) comprises a material box (201) and a plate cylinder (202) above the material box (201), an impression cylinder (203) is arranged above the plate cylinder (202), a drying device (204) is arranged above the impression cylinder (203), and a doctor blade assembly (205) is arranged on one side of the plate cylinder (202).

3. The production inspection device of a fluorescent graphic thermal transfer film according to claim 1, characterized in that: The coating mechanism (3) comprises a first frame body (301) and a UV liquid box (307) arranged on the inner bottom of the first frame body (301), a coating roller (308) is arranged above the UV liquid box (307), a coating pressure roller (309) is arranged above the coating roller (308), and a first guide roller (302) is arranged above the coating pressure roller (309).

4. The production inspection apparatus for a fluorescent graphic thermal transfer film according to claim 3, characterized in that: A mounting bracket (304) is mounted on one side of the first frame body (301) close to the inspection device (4), a UV lamp (303) is arranged on the top of the mounting bracket (304), and a first supporting roller (306) is arranged below the UV lamp (303) and mounted on the mounting bracket (304).

5. The production inspection apparatus for a fluorescent graphic thermal transfer film according to claim 4, characterized in that: A second guide roller (305) is arranged at the outer end of the mounting bracket (304).

6. The production inspection apparatus for a fluorescent graphic thermal transfer film according to claim 1, characterized in that: Side baffles (402) are slidably mounted on both sides of the second frame body (401), a pressure roller (405) is mounted on the bottom of the side baffle (402), a support (403) is mounted on one side of the second frame body (401) facing the coating mechanism (3), and a third guide roller (404) is rotatably mounted at the outer end of the support (403).

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