CN220429656U

CN220429656U - Thermal transfer printing equipment

Info

Publication number: CN220429656U
Application number: CN202322195427.9U
Authority: CN
Inventors: 姚庆华
Original assignee: Zhejiang Huicheng General Printing Co ltd
Current assignee: Zhejiang Huicheng General Printing Co ltd
Priority date: 2023-08-14
Filing date: 2023-08-14
Publication date: 2024-02-02
Anticipated expiration: 2033-08-14

Abstract

The application relates to a heat transfer printing equipment, it includes that workstation, length direction run through the conveyer belt of workstation and locate the printing device in the workstation, and the through-hole is seted up to workstation length direction both sides, and the conveyer belt sets up and runs through the workstation in the through-hole, and the conveyer belt passes through-hole and the setting of workstation clearance, printing device contain the print head, lie in the wind-up roll and the unreeling roller of print head both sides respectively, set up the suction opening on the workstation, the suction opening is inserted and is equipped with the exhaust tube, the exhaust tube is connected in the workstation and outside the workstation, the exhaust tube is connected with collection device in the one end outside the workstation, install the aspiration pump on the exhaust tube. The present application has the effect of reducing the probability of harmful gases being discharged into the air during printing.

Description

Thermal transfer printing equipment

Technical Field

The present application relates to the field of printers, and in particular to a thermal transfer printing apparatus.

Background

The thermal transfer technology is to transfer the carbon powder coating on the carbon belt onto paper or other kinds of materials in a heating mode, and the coating substances on the carbon belt can be selected according to the needs to generate stronger adhesive force, and the printing medium is selected, so that the printed handwriting is not influenced by the outside, and meanwhile, the thermal transfer technology also has the advantages of flexibility, high efficiency, low cost and the like.

The traditional Chinese patent with publication number of CN214240048U discloses a thermal transfer printer which comprises a bottom plate, an electrostatic removing assembly, an adjusting assembly, an electric carbon belt recovery roller, a carbon belt dispensing roller, a paper dispensing roller and an electric finished product winding roller.

In view of the above-mentioned related art, the inventors consider that in the thermal transfer process, the gas released in the process of heating the thermal transfer film is a harmful gas, and the harmful gas is discharged into the air to pollute the environment.

Disclosure of Invention

In order to reduce the probability of harmful gases being discharged into the air during printing, the present application provides a thermal transfer printing apparatus.

The utility model provides a thermal transfer printing equipment, adopts following technical scheme, includes that workstation, length direction run through the conveyer belt of workstation and locate the printing device in the workstation, and the through-hole is seted up to workstation length direction both sides, and the conveyer belt sets up in the through-hole and runs through the workstation, and the conveyer belt passes through-hole and workstation clearance setting, printing device contains the print head, is located the wind-up roll and the unreeling roller of print head both sides respectively, set up the gas vent on the workstation, the gas vent is inserted and is equipped with the exhaust tube, the exhaust tube is connected with in the workstation and outside the workstation, the exhaust tube is connected with collection device in the one end outside the workstation, install the aspiration pump on the exhaust tube.

Through adopting above-mentioned technical scheme, during the heat transfer printing equipment work, the aspiration pump passes through the harmful gas collection device in the aspiration tube extraction work box, has reduced the probability that harmful gas drifts in the air.

Optionally, the mouth of pipe that the exhaust tube is in the interior part of work box is close to the print head, exhaust tube mouth of pipe department is equipped with the connecting rod, connecting rod keeps away from exhaust tube mouth of pipe one end fixed connection the print head.

Through adopting above-mentioned technical scheme, at thermal transfer equipment during operation, the printer head up-and-down motion, the connecting rod is driving the mouth of pipe of exhaust tube and is moving together, and the mouth of pipe of exhaust tube is towards the bottom of printer head, and the harmful gas that the printer head heating carbon ribbon produced in the extraction printing process.

Optionally, the exhaust tube is located the one end connection and the intercommunication of work box and has the suction hood, suction hood opening part is towards the print head.

By adopting the technical scheme, the area covered by the exhaust pipe is increased by the arrangement of the air suction cover, and the air suction efficiency is increased.

Optionally, a wind shielding curtain is arranged between the working box and the conveyor belt, and the wind shielding curtain shields a gap between the working box and the conveyor belt.

Through adopting above-mentioned technical scheme, be equipped with the wind curtain on the through-hole, the wind curtain shelters from the clearance between work box and the conveyer belt, reduces the probability that harmful gas in the work box wafts from the clearance.

Optionally, the working box is provided with a blowing mechanism at the through hole, a blowing opening is formed in the blowing mechanism, and the blowing opening faces into the working box.

Through adopting above-mentioned technical scheme, when harmful gas in the work box drifts to the through-hole department, blowing mechanism blows harmful gas to in the work box.

Optionally, an adsorption element is arranged in the gas collecting device, and the adsorption element adsorbs harmful gases.

Through adopting above-mentioned technical scheme, the adsorption piece adsorbs harmful gas when harmful gas discharges to gas collection device in, reduces the probability that harmful gas overflows.

Optionally, the conveyer belt is inside to be equipped with the support base, the support base sets up under the print head and laminating is close to the conveyer belt of print head.

Through adopting above-mentioned technical scheme, when printing apparatus works, the printer head up-and-down motion will be in the wind-up roll with unreel the carbon ribbon heating extrusion between the roller to be located on the material of conveyer belt, support the base and support the conveyer belt, reduce the conveyer belt and be out of shape by the printer head extrusion probability.

Optionally, the access hole has been seted up to one of them lateral wall of work box, the last rotation of work box is provided with the access door, and the access door is closed or is opened the access hole through rotating.

By adopting the technical scheme, one side wall of the working box is provided with the access hole, and a worker can repair parts in the working box or replace a carbon belt in the working box through the access hole; the access door is rotatably arranged on the working box, and the probability that harmful gas drifts into the air from the access door can be reduced by the access door.

Optionally, the access door is circumferentially provided with a gasket.

By adopting the technical scheme, the sealing gasket seals the gap between the access door and the access hole, so that the probability that harmful gas drifts into the air from the gap between the access door and the access hole is reduced.

Optionally, a clamping piece is arranged between the access door and the working box, and the clamping piece fixes the access door on the working box when the access door is closed.

Through adopting above-mentioned technical scheme, when the access door is closed, the joint spare is fixed the access door on the work box, reduces the probability that the access door was accidentally opened in the printing process, has increased printing equipment's security.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the exhaust pipe extracts harmful gas in the working box to reduce the probability of discharging the harmful gas into the air in the printing process;

2. the adsorption part is arranged in the gas collection device to adsorb the collected harmful gas, so that the probability of discharging the harmful gas into the air is reduced;

3. and an overhaul port is arranged on the working box, so that the maintenance and the replacement of the carbon belt are convenient.

Drawings

Fig. 1 is a partially cut-away overall schematic diagram of the present embodiment.

Fig. 2 is a rear overall schematic view of the present embodiment.

Fig. 3 is a front overall schematic view of the present embodiment.

Fig. 4 is a partially enlarged schematic view of the present embodiment a.

Reference numerals illustrate: 1. a working box; 2. a printing device; 201. a print head; 202. an unreeling roller; 203. a wind-up roll; 3. a cylinder; 4. a thermal transfer drive; 5. a carbon strip coil; 6. a through hole; 7. a driving roller; 8. a rotating motor; 9. a conveyor belt; 10. a support base; 11. an air suction hole; 12. an exhaust pipe; 13. a connecting rod; 14. an air suction cover; 15. a gas collection device; 16. an air extracting pump; 17. an absorbing member; 1701. an activated carbon adsorption net; 1702. a molecular sieve layer; 1703. an absorption box; 18. a wind shielding curtain; 19. an air blowing mechanism; 1901. blowing an air port; 1902. a blower; 1903. a blowing pipe; 20. an access opening; 21. an access door; 22. a sealing gasket; 23. and the clamping piece.

Detailed Description

The present application is described in further detail below in conjunction with fig. 1-4:

the embodiment of the application discloses thermal transfer printing equipment, refer to fig. 1, including a working box 1 and a printing device 2 arranged in the working box 1, wherein the printing device 2 comprises a printing head 201, an unreeling roller 202 and a reeling roller 203, in the embodiment, the printing head 201 is a thermal transfer printing head, a cylinder 3 is connected above the printing head 201, the cylinder 3 drives the printing head 201 to slide up and down along the height direction, a thermal transfer driver 4 is arranged in the printing head 201, the thermal transfer driver 4 heats the printing head 201, the unreeling roller 202 and the reeling roller 203 are fixed on the inner side wall of the working box 1, a brand-new carbon coil 5 is wound on the unreeling roller 202, and the reeling head of the carbon coil 5 is pulled to the reeling roller 203 and is adhered on the reeling roller 203; through holes 6 are formed in two sides of the length direction of the working box 1, driving rollers 7 are rotatably arranged at two ends of the length direction of the working box 1, one end of each driving roller 7 is connected with a rotating motor 8, a conveyor belt 9 is sleeved on each driving roller 7, the rotating motor 8 drives the driving rollers 7 to rotate so as to drive the conveyor belt 9 to rotate, the conveyor belt 9 bears and conveys materials to be printed, and a printing head 201 is arranged above the conveyor belt 9; the inside of the conveyor belt 9 is provided with a supporting base 10, the supporting base 10 is fixedly arranged on the inner wall of the working box 1, and the supporting base 10 is arranged right below the printing head 201 and is attached to the conveyor belt 9 close to the printing head 201; when the printing equipment works, the thermal transfer driver 4 heats the printing head 201, the air cylinder 3 drives the printing head 201 to slide downwards, and the printing head 201 and the supporting base 10 squeeze the carbon belt between the unreeling roller 202 and the reeling roller 203 and the materials on the conveying belt 9, so that thermal transfer printing is finished.

Referring to fig. 1 and 2, a side wall of a printing device 2 is fixedly arranged on a working box 1, an air suction hole 11 is formed in the side wall of the printing device 2, an air suction pipe 12 is inserted in the air suction hole 11, the air suction pipe 12 is connected with the inside of the working box 1 and the outside of the working box 1, one end of the air suction pipe 12 in the working box 1 is close to a printing head 201 and is provided with a connecting rod 13, and the connecting rod 13 is connected with one end of the air suction pipe 12 in the working box 1 and the printing head 201; the connecting rod 13 fixes the port of the suction tube 12 with the print head 201 so that the port of the suction tube 12 can move along with the up-and-down movement of the print head 201; the suction pipe 12 is also connected with and communicated with the suction cover 14 at one end in the working box 1, the opening of the suction cover 14 faces the printing head 201, the suction cover 14 increases the suction area of the suction pipe 12, the suction efficiency of the suction pipe 12 is increased, one end of the suction pipe 12 outside the working box 1 is connected with the gas collecting device 15, the suction pipe 12 is provided with the suction pump 16 outside the working box 1, the suction pump 16 sucks the gas in the working box 1 to the gas collecting device 15 through the suction pipe 12, the gas collecting device 15 is internally provided with the adsorbing piece 17, the adsorbing piece 17 adsorbs harmful gas substances in the gas collecting device 15, the adsorbing piece 17 is composed of an activated carbon adsorbing net 1701, a molecular sieve layer 1702 and an absorbing box 1703 filled with a biological enzyme preparation, and the harmful gas is filtered through the activated carbon adsorbing net 1701 and the molecular sieve layer 1702 and finally absorbed by the biological enzyme preparation to be purified.

Referring to fig. 1, two wind shielding curtains 18 are respectively arranged between the working box 1 and the conveyor belt 9, in this embodiment, the wind shielding curtains 18 are made of PVC soft skin, and the wind shielding curtains 18 shield gaps between the working box 1 and the conveyor belt 9, so that harmful gas in the working box 1 is not easy to fly into the outside air from the inside, and the wind shielding curtains 18 of the soft PVC do not block printed materials from entering and exiting through the conveyor belt 9; two blowing mechanisms 19 are respectively arranged on the working box 1 and the two through holes 6, and each blowing mechanism 19 comprises a blowing opening 1901 facing the inside of the working box 1, a blower 1902 arranged outside the working box 1 and a blowing pipe 1903 connecting the blowing opening 1901 and the blower 1902; the blowing mechanism 19 blows the gas near the through hole 6 back into the working box 1, reducing the probability that the harmful gas drifts into the air through the clearance of the through hole 6.

Referring to fig. 1, an access opening 20 is formed in a side wall of the working box 1, which is far away from the printing device 2, an access door 21 is rotatably arranged on the working box 1 through a hinge, the access door 21 is rotatably closed or opened to the access opening 20, the access opening 20 is convenient for workers to repair and replace carbon strips, and the probability that harmful gases fly from the access opening 20 to the air is reduced by the access door 21; the sealing gasket 22 is arranged on the periphery of the access door 21, the sealing gasket 22 is made of rubber with elastic deformation capability, the sealing gasket 22 seals a gap between the access door 21 and the access opening 20, and the probability that harmful gas drifts into the air from the gap between the access door 21 and the access opening 20 is reduced; be provided with joint piece 23 between access door 21 and the work box 1, when access door 21 closed access hole 20, joint piece 23 is fixed access door 21 on work box 1, reduces the probability that access door 21 was accidentally opened in the printing process, has increased printing equipment's security.

The implementation principle of the embodiment of the application is as follows: firstly, an access door 21 is opened to observe whether a carbon ribbon in the working box 1 is enough, after the inspection is finished, the access door 21 is closed, materials to be printed are placed on a conveyor belt 9, printing equipment is started to start printing, a thermal transfer driver 4 heats a printing head 201, an air cylinder 3 drives the printing head 201 to move downwards, the printing head 201 and a support base squeeze the carbon ribbon and the materials on the conveyor belt 9, the printing head 201 heats the carbon ribbon to generate harmful gas, an air pump 16 and an air blowing mechanism 19 are started in the printing process, the air blowing mechanism 19 blows the gas of a through hole 6 of the working box 1 into the working box 1, the air pump 16 pumps the gas in the working box 1, the gas is filtered and adsorbed by an adsorption piece 17 in the gas collecting device 15 through an air extracting tube 12, and finally absorbed by biological enzyme preparations, and the purification of the harmful gas is finished, so that the possibility that the harmful gas drifts into the air is reduced.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The utility model provides a thermal transfer printing equipment, includes workstation (1), conveyer belt (9) that length direction runs through workstation (1) and locates printing device (2) in workstation (1), and through-hole (6) are seted up to workstation (1) length direction both sides, and conveyer belt (9) set up in through-hole (6) run through workstation (1), and conveyer belt (9) pass through-hole (6) and workstation (1) clearance setting, printing device (2) contain print head (201), are located wind-up roll (203) and unreeling roller (202) of print head (201) both sides respectively, its characterized in that: the novel air suction device is characterized in that an air suction hole (11) is formed in the working box (1), an air suction pipe (12) is inserted into the air suction hole (11), the air suction pipe (12) is connected with the inside of the working box (1) and the outside of the working box (1), one end of the air suction pipe (12) outside the working box (1) is connected with a gas collecting device (15), and an air suction pump (16) is installed on the air suction pipe (12).

2. A thermal transfer printing apparatus as defined in claim 1, wherein: the nozzle of the air extraction pipe (12) positioned at the inner part of the working box (1) is close to the printing head (201), a connecting rod (13) is arranged at the nozzle of the air extraction pipe (12), and one end of the connecting rod (13) far away from the nozzle of the air extraction pipe (12) is fixedly connected with the printing head (201).

3. A thermal transfer printing apparatus as defined in claim 2, wherein: the air suction pipe (12) is positioned at one end in the working box (1) and is connected with and communicated with the air suction cover (14), and the opening of the air suction cover (14) faces the printing head (201).

4. A thermal transfer printing apparatus as defined in claim 3, wherein: a wind shielding curtain (18) is arranged between the working box (1) and the conveyor belt (9), and the wind shielding curtain (18) shields a gap between the working box (1) and the conveyor belt (9).

5. The thermal transfer printing apparatus of claim 4, wherein: the working box (1) is provided with a blowing mechanism (19) at the through hole (6), a blowing opening (1901) is formed in the blowing mechanism (19), and the blowing opening (1901) faces into the working box (1).

6. The thermal transfer printing apparatus of claim 5, wherein: an adsorption piece (17) is arranged in the gas collection device (15), and the adsorption piece (17) adsorbs harmful gases.

7. The thermal transfer printing apparatus of claim 6, wherein: the conveyor belt (9) is internally provided with a supporting base (10), and the supporting base (10) is arranged under the printing head (201) and is attached to the conveyor belt (9) close to the printing head (201).

8. The thermal transfer printing apparatus of claim 7, wherein: : an access opening (20) is formed in one side wall of the working box (1), an access door (21) is rotatably arranged on the working box (1), and the access door (21) is used for closing or opening the access opening (20) through rotation.

9. The thermal transfer printing apparatus of claim 8, wherein: the access door (21) is circumferentially provided with a gasket (22).

10. A thermal transfer printing apparatus as defined in claim 9, wherein: a clamping piece (23) is arranged between the access door (21) and the working box (1), and when the access door (21) closes the access opening (20), the clamping piece (23) fixes the access door (21) on the working box (1).