CN101508214B - Thermal transfer-printing ink ribbon ink and basis-material recovery method and device - Google Patents

Abstract

The invention discloses a method and equipment for recovering thermal transfer ribbon ink and base materials. The thermal transfer ribbon includes a base film, an ink layer coated on one side of the base film, and a coating On the heat-resistant backing layer on the other side of the base film, the base film and the heat-resistant backing layer constitute the substrate, and the recovery method of the thermal transfer ribbon ink and the substrate is to heat the ink layer of the thermal transfer ribbon, At the same time, the heat-resistant backing layer is cooled to release the ink from the substrate surface. The structure of recycling equipment includes unwinding shaft, heating roller, rubber roller, cooling roller, scraper, receiving tray and winding shaft. The heating roller is in contact with the rubber roller, the ribbon is between the rubber roller and the cooling roller, the cooling roller is pressed on the rubber roller, the scraper is on the heating roller, and the receiving tray is under the heating roller. According to the invention, the material expands with heat and contracts with cold under the condition of rapid cooling and heat, and instantly separates the base material from the ink, and then recycles the base material and the ink separately, which not only reduces pollution to the environment, but also saves costs.

Description

Recycling method and equipment for thermal transfer ribbon ink and base material

technical field

The invention relates to a ribbon recovery method and equipment, in particular to a thermal transfer ribbon ink and base material recovery method and equipment. the

Background technique

Since the 1980s, with the development of office equipment, office automation consumables have become increasingly prominent, and the application fields of thermal transfer ribbons in these consumables have become wider and wider, mainly used in post and telecommunications, railways, supermarkets, factories and banner industries, etc. . With the wide application of thermal transfer ribbons, the output is also increasing year by year, and because thermal transfer ribbons are disposable consumables, a large amount of waste ribbons are produced, and the disposal of waste ribbons has become a problem. Methods such as discarding and burning will pollute the environment. Only recycling the base material (polyester film) and reusing the remaining ink is a good way to save materials and reduce environmental pollution. the

At present, the cleaning method of the used ribbon is to use chemical solvents, which is not environmentally friendly, high cost, and harmful to the health of the operators, and the ink after cleaning is difficult to extract and utilize. Although the substrate can be used, the treatment of the ink is still difficult. Difficulties, prone to secondary pollution. the

Chinese patent CN200820082580.3 discloses a thermal transfer ribbon ink and base material recovery device, by heating the unqualified ribbon, the ink is scraped off the base material with a scraper. However, in this method, because the polyester film of the base material is very thin, using a mechanical method to scrape the ink on the film with a knife, there are many problems in actual super-operation, such as whether the ink can be cleaned up; whether the film will be damaged Cutting; the contact force between the scraper and the film, etc. the

Contents of the invention

The technical problem to be solved by the present invention is to provide a cost-saving, environment-friendly and easy-to-operate thermal transfer ribbon ink and substrate recovery method and equipment thereof. the

In order to solve the above-mentioned technical problems, the technical solution adopted in the present invention is: a method for reclaiming thermal transfer ribbon ink and substrate, the thermal transfer ribbon includes a base film, coated on one side of the base film The ink layer on the surface and the heat-resistant back layer coated on the other side of the base film, the base film and the heat-resistant back layer constitute the substrate, and the recycling method of the thermal transfer ribbon ink and the substrate is to recycle the thermal transfer ribbon The ink layer of the ribbon heats up while cooling the heat-resistant backing layer, releasing the ink from the substrate surface. the

The method for recovering the thermal transfer ribbon ink and base material is to pass the thermal transfer ribbon between two contacting upper rollers and lower rollers, the upper roller is a cooling roller, which is in contact with the heat-resistant back layer; The roller is a heating roller, which is in contact with the ink layer. When the thermal transfer ribbon passes through the cooling roller and the heating roller, the ink layer is melted due to the heating of the heating roller, and the cooling roller shrinks the melted ink. Under the action of gravity, the ink layer from Detach from the substrate and recycle ink and substrate separately. the

The heating temperature of the ink layer is 90-150 degrees, and the cooling temperature of the heat-resistant back layer is 0-15 degrees. the

The heating temperature of the heating roller is 90-150 degrees, and the cooling temperature of the cooling roller is 0-15 degrees. the

A thermal transfer ribbon ink and base material recovery equipment according to the above method, comprising an unwinding device, a cooling roller, a heating roller, a scraper, a material receiving tray, a winding device and a refrigeration device, the cooling roller is located on the upper part, and the heating roller is located on the In the lower part, the cooling roller is in contact with the heating roller, and the cooling roller is connected with the refrigeration device to control its cooling temperature. There is a heating wire inside the heating roller, and the feeding tray is placed under the heating roller, and the scraper is in contact with the side of the heating roller to remove the separated ink The unwinding device and the winding device are respectively located on both sides of the cooling roller and the heating roller. The used ribbon passes from the unwinding device through the heating roller and the cooling roller, so that the ink and base After the material is separated, the clean substrate is collected on the winding device on the other side. the

There is also a rubber roller between the cooling roller and the heating roller. The cooling roller, the rubber roller and the heating roller are arranged in contact with each other from top to bottom. The rubber roller is in close contact with the heating roller, and the rubber roller has a certain temperature through heat conduction. The winding device and the winding device are located on both sides of the above-mentioned cooling roller, rubber roller and heating roller. The used ribbon passes from the unwinding device through the rubber roller and the cooling roller, so that the clean substrate is collected after the ink is separated from the substrate. On the rewinder on the other side. the

The heating roller and the winding device are driven to rotate by a motor, the heating roller and the rubber roller are driven by gears, and the cooling roller is completely driven by the rubber roller to rotate. the

A first guide roller is also arranged between the unwinding device and the rubber roller through which the ribbon passes, and a second guide roller and a third guide roller are also arranged between the rubber roller and the winding device. the

Compared with the existing technology, the present invention has the advantages: according to the thermal expansion and contraction of the material under the condition of sudden cooling and sudden heating, the base material and the ink are separated instantly, and then the base material and the ink are recycled and reused separately, which not only harms the environment Reduce pollution and save costs. the

Description of drawings

Fig. 1 is the schematic diagram of the optimal embodiment of the recovery equipment of thermal transfer ribbon ink and substrate used in the method of the present invention. the

Detailed ways

The thermal transfer ribbon ink and the recycling method of the base material of the present invention, the thermal transfer ribbon includes a base film, an ink layer coated on one side of the base film and an ink layer coated on the other side of the base film The heat-resistant back layer on the side surface, the base film and the heat-resistant back layer constitute the substrate, and the recycling method of the thermal transfer ribbon ink and the substrate is to heat the ink layer of the thermal transfer ribbon, and at the same time heat the heat-resistant back layer Cool to release the ink from the substrate surface. the

The method for recovering the thermal transfer ribbon ink and base material is to pass the thermal transfer ribbon between two contacting upper rollers and lower rollers, the upper roller is a cooling roller, which is in contact with the heat-resistant back layer; The roller is a heating roller, which is in contact with the ink layer. When the thermal transfer ribbon passes through the cooling roller and the heating roller, the ink layer is melted due to the heating of the heating roller, and the cooling roller shrinks the melted ink. Under the action of gravity, the ink layer from Detach from the substrate and recycle ink and substrate separately.

The heating temperature of the ink layer is 90-150 degrees, and the cooling temperature of the heat-resistant back layer is 0-15 degrees. the

The heating temperature of the heating roller is 90-150 degrees, and the cooling temperature of the cooling roller is 0-15 degrees. the

Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:

As shown in Figure 1, the thermal transfer ribbon ink and substrate recovery equipment of the present invention includes an unwinding device 1, a cooling roller 2, a rubber roller 3, a heating roller 4, a scraper 5, a receiving tray 6, a winding Device 7 and refrigerating device (not shown in the figure), cooling roller 2, rubber roller 3 and heating roller 4 are arranged along sequentially contacting from top to bottom, cooling roller 2 is connected with refrigerating device, controls its cooling temperature, heating roller 4 inside It has a heating wire, the rubber roller 3 is in close contact with the heating roller 4, the rubber roller 3 has a certain temperature through heat conduction, the material receiving tray 6 is placed on the side of the heating roller 4, the scraper 5 is in contact with the side of the heating roller 4, and the separated ink It flows down to the receiving tray 6, the unwinding device 1 and the winding device 7 are located on both sides of the cooling roller 2, the rubber roller 3 and the heating roller 4, and the used ribbon 11 passes through the rubber roller 3 from the unwinding device 1 Between the cooling roller 1, the clean substrate after the ink is separated from the substrate is collected on the winding device 7 on the other side. the

In order to facilitate the rewinding of the ribbon, a first guide roller 12 is provided between the unwinding device 1 and the rubber roller 3 through which the ribbon passes, and a second guide roller 13 is also provided between the rubber roller 3 and the winding device 7 And the third guide roller 14. the

In addition, the heating roller 4 and the winding device 7 can be driven to rotate by a motor, the heating roller 4 and the rubber roller 3 are driven by gears, and the cooling roller 2 is completely driven by the rubber roller 3 to rotate. These are common mechanical connections, which will not be described here, and of course there may be multiple connection methods. the

The invention adopts the method of cold and heat exchange to separate the ink from the base material, so as to achieve recycling. The rubber roller 3 of the present invention is in close contact with the heating roller 4, so the rubber roller 3 has a certain temperature. The cooling roller 2 is connected with the refrigeration device to control its cooling temperature. The used ribbon passes through the guide roller from the unwinding device 1 and passes between the rubber roller 3 and the cooling roller 1. Because the temperature of the rubber roller 3 will transfer the ink on the ribbon The ink melts, and the instant cooling roller 2 cools it to force the ink to separate from the base material. The ink flows to the rubber roller 3 and is then brought to the heating roller 4. The scraper 5 scrapes the ink into the receiving tray 6. And the clean base material that is separated is recovered on the winding device 7 through the guide roller. the

The above is only a preferred embodiment of the present invention, it should be pointed out that, for those of ordinary skill in the art, without departing from the principle of the present invention, some improvements and modifications can also be made, and these improvements and modifications can also be made. It should be regarded as the protection scope of the present invention. the

Claims (8)

1. the recovery method of thermal transfer-printing ink ribbon ink and base material; Described heat transfer colour ribbon comprises the tape base film, is coated in the ink lay of tape base film one side surface and is coated in the surperficial heat-resisting backing layer of tape base film opposite side; Tape base film and heat-resisting backing layer constitute base material, it is characterized in that, the recovery method of thermal transfer-printing ink ribbon ink and base material is the ink lay heating with heat transfer colour ribbon; With heat-resisting backing layer cooling, printing ink is broken away from from substrate surface simultaneously.

2. the recovery method of thermal transfer-printing ink ribbon ink according to claim 1 and base material; It is characterized in that; The recovery method of described thermal transfer-printing ink ribbon ink and base material is that heat transfer colour ribbon is passed through between two contacted top rolls and the lower roll, and top roll is a chill roll, contacts with heat-resisting backing layer; Lower roll is a warm-up mill, contacts with ink lay, when heat transfer colour ribbon passes through chill roll and warm-up mill; Because the warm-up mill heating is melted ink lay, chill roll shrinks the printing ink of thawing, under the effect of gravity; Ink lay breaks away from from base material, reclaims printing ink and base material respectively.

3. the recovery method of thermal transfer-printing ink ribbon ink according to claim 1 and base material is characterized in that, described ink lay heating-up temperature is the 90-150 degree, and heat-resisting backing layer chilling temperature is the 0-15 degree.

4. the recovery method of thermal transfer-printing ink ribbon ink according to claim 2 and base material is characterized in that, the heating-up temperature of described warm-up mill is the 90-150 degree, and the chilling temperature of chill roll is the 0-15 degree.

5. the equipment of the recovery of the thermal transfer-printing ink ribbon ink of the said method of claim 1 and base material is characterized in that, comprises unwinding device (1), chill roll (2), warm-up mill (4), scraper (5), receiver (6), wrap-up (7) and refrigerating plant; Chill roll (2) is positioned at top; Warm-up mill (4) is positioned at the bottom, and chill roll (2) and warm-up mill (4) contact, and chill roll (2) is connected with refrigerating plant; Control its chilling temperature; Warm-up mill (4) inside has heater strip, and receiver (6) is placed on warm-up mill (4) below, and scraper (5) touches with warm-up mill (4) flanked; The printing ink that separates scraped off flow in the receiver (6); Unwinding device (1) and wrap-up (7) lay respectively at the both sides of above-mentioned chill roll (2) and warm-up mill (4), and the colour band of using (11), makes printing ink separate the clean base material in back with base material and is received on the wrap-up (7) of opposite side through between warm-up mill (4) and the chill roll (2) from unwinding device (1).

6. the reclaimer of described thermal transfer-printing ink ribbon ink of claim 5 and base material; It is characterized in that; Between chill roll (2) and warm-up mill (4), also accompany rubber roll (3), chill roll (2), rubber roll (3) and warm-up mill (4) are along contact arrangement from top to bottom successively, and rubber roll (3) closely contacts with warm-up mill (4); Make rubber roll (3) that uniform temperature arranged through the heat conduction; Unwinding device (1) and wrap-up (7) are positioned at the both sides of above-mentioned chill roll (2), rubber roll (3) and warm-up mill (4), and the colour band of using (11), makes printing ink separate the clean base material in back with base material and is received on the wrap-up (7) of opposite side through between rubber roll (3) and the chill roll (2) from unwinding device (1).

7. the reclaimer of thermal transfer-printing ink ribbon ink according to claim 6 and base material; It is characterized in that; Described warm-up mill (4) and wrap-up (7) are rotated by a driven by motor, and warm-up mill (4) and rubber roll (3) lean on gear drive, and chill roll (2) leans on rubber roll (3) to drive fully and rotates.

8. the reclaimer of thermal transfer-printing ink ribbon ink according to claim 6 and base material; It is characterized in that; Between the unwinding device (1) of colour band process and rubber roll (3), also be provided with first deflector roll (12), between rubber roll (3) and wrap-up (7), also be provided with second deflector roll (13) and the 3rd deflector roll (14).

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