CN113400781B - Double-sided cold transfer printing equipment - Google Patents
Double-sided cold transfer printing equipment Download PDFInfo
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- CN113400781B CN113400781B CN202110820853.XA CN202110820853A CN113400781B CN 113400781 B CN113400781 B CN 113400781B CN 202110820853 A CN202110820853 A CN 202110820853A CN 113400781 B CN113400781 B CN 113400781B
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- transfer printing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F16/00—Transfer printing apparatus
- B41F16/02—Transfer printing apparatus for textile material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F16/00—Transfer printing apparatus
- B41F16/0006—Transfer printing apparatus for printing from an inked or preprinted foil or band
- B41F16/0093—Attachments or auxiliary devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F23/00—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing
- B41F23/04—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing by heat drying, by cooling, by applying powders
- B41F23/0403—Drying webs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H16/00—Unwinding, paying-out webs
- B65H16/10—Arrangements for effecting positive rotation of web roll
- B65H16/103—Arrangements for effecting positive rotation of web roll in which power is applied to web-roll spindle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H18/00—Winding webs
- B65H18/08—Web-winding mechanisms
- B65H18/10—Mechanisms in which power is applied to web-roll spindle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
- B65H23/06—Registering, tensioning, smoothing or guiding webs longitudinally by retarding devices, e.g. acting on web-roll spindle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
- B41P2217/00—Printing machines of special types or for particular purposes
- B41P2217/50—Printing presses for particular purposes
- B41P2217/52—Printing presses for particular purposes for printing a long repeat length on webs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
- B41P2217/00—Printing machines of special types or for particular purposes
- B41P2217/50—Printing presses for particular purposes
- B41P2217/60—Means for supporting the articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
- B41P2219/00—Printing presses using a heated printing foil
- B41P2219/20—Arrangements for moving, supporting or positioning the printing foil
- B41P2219/22—Guiding or tensioning the printing foil
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
- B41P2219/00—Printing presses using a heated printing foil
- B41P2219/40—Material or products to be decorated or printed
- B41P2219/42—Sheet-like material
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
The invention discloses double-sided cold transfer printing equipment, which is used for transferring a pattern to the surface of textile fabric and comprises a material placing frame, a double-roller spreading part, a centering unit, a slurry dipping mechanism, a transfer printing part, a circulating drying mechanism and a cropping mechanism which are sequentially arranged; the circulating drying mechanism comprises a first guide roller assembly, a drying mechanism and a second guide roller assembly which are sequentially arranged, and the slurry soaking mechanism comprises a slurry tank unit and a padder unit, wherein a material guide roller is arranged in the slurry tank unit. The transfer printing is carried out at normal temperature, and the energy consumption can be reduced by about 67 percent compared with the heat transfer printing; the transfer film printed by the pollution-free environment-friendly water-based ink is used for replacing ink for transfer, and the transfer film can be recycled and reprocessed for secondary use after transfer printing, so that the national environment-friendly requirement is completely met; the efficiency of back transfer printing is improved.
Description
Technical Field
The invention belongs to the technical field of printing equipment, and relates to double-sided cold transfer printing equipment.
Background
China is the first production and export of textiles in the world, and transfer printing is an important link in the textile processing process. At present, oily ink is generally adopted at home and abroad to be printed, then patterns are transferred to the surface of textile fabrics through heating, pressurizing and heat transfer, and the pattern fabrics for clothing making are prepared through color fixation and rinsing. The production process has the disadvantages that the wastewater generated in the production process seriously pollutes the environment, and enterprises need to perform sewage treatment, so the production cost is high. And the products after transfer printing contain residues harmful to human bodies, which seriously affect the export of textiles. The heat transfer process is complex, the energy consumption is large, the production cost is high, and the enterprise profit is seriously influenced.
Disclosure of Invention
The invention aims to provide double-sided cold transfer printing equipment, which solves the problem of high heat transfer energy consumption in the prior art.
The invention adopts the technical scheme that the double-sided cold transfer printing equipment is used for transferring a pattern to the surface of textile fabric and comprises a material placing frame, a double-roller width expanding part, a centering unit, a slurry dipping mechanism, a transfer printing part, a circulating drying mechanism and a cropping mechanism which are sequentially arranged; the circular drying mechanism comprises a first guide roller assembly, a drying mechanism and a second guide roller assembly which are sequentially arranged, and the slurry dipping mechanism comprises a slurry tank unit and a padder unit, wherein a slurry tank unit is internally provided with a material guide roller.
The invention is also characterized in that:
the slurry tank unit comprises a slurry tank, a liquid level detection mechanism is arranged in the slurry tank, a liquid inlet and a backflow port are formed in the slurry tank, the slurry tank further comprises an electric pump, and the liquid inlet and the backflow port are respectively connected with the electric pump through pipelines; the bottom of the slurry tank is connected with a base, and a pipeline passes through the base to be connected with the liquid inlet and the backflow port; the base is connected with a driving mechanism for the base to move up and down.
Actuating mechanism includes two cylinders, and every cylinder expansion end is connected with the pivot, and swing joint has first connecting shaft in the pivot, and first connecting shaft free end passes through first round pin hub connection base.
The transfer printing part comprises a printing unit, a front film receiving and releasing unit, a back film receiving and releasing unit and a back film receiving unit, the printing unit comprises a central roller, and hydraulic rubber rollers for pressing textiles on the central roller are arranged on two sides of the central roller; the front film collecting and releasing unit and the back film releasing unit are positioned on the textile fabric inlet side of the central roller, the front film collecting and releasing unit is positioned above the back film releasing unit, and the back film collecting unit is positioned on the textile fabric outlet side of the central roller.
The front film collecting and releasing unit comprises a magnetic powder brake and a torque motor, the output end of the magnetic powder brake is connected with a film releasing air expansion shaft, and the free end of the film releasing air expansion shaft is connected with an operating hand wheel; the output end of the torque motor is connected with a film collecting air expansion shaft, and the free end of the film collecting air expansion shaft is connected with an operation hand wheel.
A first belt guide roller, a second belt guide roller, a third belt guide roller, a fourth belt guide roller and a fifth belt guide roller are sequentially arranged around the periphery of the central roller, the first belt guide roller, the central roller and the fifth belt guide roller are distributed in a triangular shape, and a sixth belt guide roller and a deviation correction roller are arranged between the third belt guide roller and the fourth belt guide roller; the film transfer device also comprises a first back film guide roller, a second back film guide roller, a seventh guide roller and a positive film guide roller, wherein the first back film guide roller is positioned below the second back film guide roller, the first guide belt roller, the second back film guide roller and the seventh guide roller form a rising straight line, and gaps are reserved among the first back film guide roller, the second back film guide roller and the seventh guide roller; the positive film guide roller is higher than the seventh guide roller; a discharging guide roller is arranged above the central roller.
The drying mechanism is an oven, the first guide roller assembly comprises a first layer circulating guide roller assembly, the first layer circulating guide roller assembly comprises a first mesh belt front guide roller a, a first mesh belt front guide roller b, a first mesh belt front guide roller c and a first mesh belt front guide roller d which are sequentially arranged, a first mesh belt front guide roller e is arranged above the first mesh belt front guide roller a, a first mesh belt roller is arranged below the space between the first mesh belt front guide roller a and the first mesh belt front guide roller b, the second guide roller assembly comprises a first mesh belt rear guide roller, a discharging guide roller, the first mesh belt front guide roller e, the first mesh belt rear guide roller, the first mesh belt front guide roller d, the first mesh belt front guide roller c, the first mesh belt front guide roller b, the first mesh belt roller and the first mesh belt front guide roller a form a closed mesh belt circulating body.
The first guide roller assembly further comprises a second layer of circulating guide roller assembly located below the first layer of circulating guide roller assembly, the second layer of circulating guide roller assembly comprises a second mesh belt roller, the second mesh belt roller is located below the first mesh belt front guide roller d, the second guide roller assembly further comprises a second mesh belt rear guide roller a, a second mesh belt rear guide roller b and a second mesh belt rear guide roller c, and the second mesh belt roller, the second mesh belt rear guide roller a, the second mesh belt rear guide roller b and the second mesh belt rear guide roller c form a closed mesh belt circulating body.
The first guide roller assembly further comprises a third layer of circulating guide roller assembly positioned below the second layer of circulating guide roller assembly, the third layer of circulating guide roller assembly comprises a third mesh belt roller, a third mesh belt front guide roller a, a third mesh belt front guide roller b and a third mesh belt front guide roller c, the third mesh belt front guide roller b and the third mesh belt front guide roller c are positioned below the third mesh belt front guide roller a, and the third mesh belt roller, the third mesh belt front guide roller a and the third mesh belt front guide roller b are distributed in a triangular mode; the second guide roller assembly further comprises a third mesh belt rear guide roller a and a third mesh belt rear guide roller b, the third mesh belt rear guide roller a is located below the second mesh belt rear guide roller a, and the third mesh belt front guide roller a, the third mesh belt roller, the third mesh belt front guide roller c, the third mesh belt front guide roller b, the third mesh belt rear guide roller b and the third mesh belt rear guide roller a form a closed mesh belt circulating body.
The included angle between the two compaction center rollers is 136-142 degrees.
The invention has the beneficial effects that:
the invention relates to double-sided cold transfer printing equipment, which belongs to transfer printing at normal temperature, and the energy consumption of the equipment can be reduced by about 67 percent compared with that of heat transfer printing; the transfer film printed by the pollution-free environment-friendly water-based ink is used for replacing the ink for transfer, and the transfer film can be recycled and reprocessed for secondary use after transfer printing, thereby completely meeting the national environment-friendly requirement; little waste water is generated in the running process of the equipment, and no harmful residues exist on the cloth after the transfer printing; the liquid level of the sizing agent in the size tank is detected through an ultrasonic probe to control the liquid level, so that the cloth is immersed into the sizing agent to the maximum extent, the rolling allowance rate is ensured to be between 35% and 40% through the pressure of a padder, the rear double-sided transfer printing is in the best state, and the transfer success rate is more than 98%; through the front-back transfer printing, the function of back printing is independently added after the front-side transfer printing is replaced, so that the cost is greatly reduced, the structure is simple, the operation is easy, and the back transfer printing efficiency is improved; the original transfer printing is reduced to two hydraulic rollers, the included angle is 136-142 degrees, the original structure can be completely replaced, and the equipment cost is greatly reduced; when the back transfer film, the front transfer film and the middle cloth enter the central roller, the back transfer film, the front transfer film and the middle cloth cannot contact the printing blanket belt, but firstly contact the central roller, the film and the cloth can be tightly coated on the central roller through the printing blanket belt, and the double-sided transfer printing effect is greatly improved.
Drawings
FIG. 1 is a schematic structural diagram of a double-sided cold transfer printing device of the invention;
FIG. 2 is a schematic structural diagram of a stock trough unit in the double-sided cold transfer printing equipment of the invention;
FIG. 3 is a side view of a vat unit in a double-sided cold transfer printing apparatus of the present invention;
FIG. 4 is a schematic structural diagram of a transfer printing part in a double-sided cold transfer printing device according to the present invention;
FIG. 5 is a schematic structural diagram of a front film receiving and releasing unit in the double-sided cold transfer printing equipment.
In the figure: 1. the device comprises a material discharge frame, 2 a double-roller expanding part, 3 a centering unit, 4 a slurry dipping mechanism, 401 a slurry tank unit, 4011 a slurry tank, 4012 a liquid level detection mechanism, 4013 a liquid inlet, 4014 a backflow port, 4015 a base, 4016 an air cylinder, 4017 a rotating shaft, 4018 a first connecting shaft, 4019 a first pin shaft, 4020 a second pin shaft, 4021 a second connecting shaft, 4022 a third pin shaft, 4023 an electric pump, 402 a padder unit, 403 a material guide roller, 404 a wallboard, 5, a transfer printing part, 501, a printing unit, 5011, a center roller, 5012, a hydraulic rubber roller, 502, a front film receiving and releasing unit, 5021, a magnetic powder brake, 5022, a torque motor, 5023, a film releasing air expansion shaft, 5024, a film receiving air expansion shaft, 503, a first tape guide roller, 504, a second tape guide roller, 505, a third tape guide roller, 506, a fourth tape guide roller, 507, a fifth tape guide roller, 508, a sixth tape guide roller, 509, a deviation rectifying roller, 510, a first back film guide roller, 511, a second back film guide roller, 512, a seventh guide roller, 513, a positive film guide roller, 514, a back film releasing unit, 515, a back film receiving unit, 516, a discharging guide roller, 6, a circulating drying mechanism, 601, a first guide roller assembly, 6011, a first mesh belt front guide roller a,6012, a first mesh belt front guide roller b,6013, a first mesh belt front guide roller c,6014, a first mesh belt front guide roller d,6015, a first mesh belt front guide roller e,6016, a first mesh belt roller, 6017, a second mesh belt roller, 6018, a third mesh belt roller 6019, a third mesh belt front guide roller a,6020, a third mesh belt front guide roller b,6021, a third mesh belt front guide roller c,602, a drying mechanism, 603, a second guide roller assembly, 6031, a first mesh belt rear guide roller, 6032, a second mesh belt rear guide roller a,6033, a second mesh belt rear guide roller b,6034, a second mesh belt rear 6035, a third mesh belt rear 6035, 6036. and a third mesh belt rear guide roller b,7, a doffing mechanism, 701, a doffing driving roller and 702, a cloth swinging rod.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
A double-sided cold transfer printing device is used for transferring patterns to the surfaces of textiles and comprises a material placing frame 1, a double-roller width expanding part 2, a centering unit 3, a slurry dipping mechanism 4, a transfer printing part 5, a circulating drying mechanism 6 and a cropping mechanism 7 which are sequentially arranged along the moving direction of the textiles as shown in figure 1. An S-shaped roller wrap angle is arranged in the material placing frame 1 to adjust the tension of the textile, so that the tension of the textile reaches a preset state, the double-roller spreading part 2 is two guide rollers with thread grooves and driven by a variable frequency motor and used for unfolding and flattening edges and turned edges of the textile, the centering unit 3 comprises a driving roller, a sliding strip is arranged on the driving roller and controlled by thin cylinders distributed in parallel, and the cylinders move the textile to a centered position by controlling the position of the sliding strip to lay a foundation for later transfer printing. The circular drying mechanism 6 comprises a first guide roller assembly 601, a drying mechanism 602 and a second guide roller assembly 603 which are sequentially arranged, printed textile fabrics are circularly sent into the drying mechanism 602 through the first guide roller assembly 601 and the second guide roller assembly 603, and multiple times of drying of the textile fabrics are realized. The pulp soaking mechanism 4 comprises a pulp tank unit 401 and a padder unit 402, wherein a material guide roller 403 is arranged in the pulp tank unit 401, and textile enters the padder unit 402 from the material guide roller 403. The doffing mechanism 7 includes a doffing drive roller 701 and a cloth swinging lever 702. A guide roller group is arranged between the second guide roller assembly 603 and the cropping mechanism 7 and is used for realizing the textile fabric transmission between the second guide roller assembly 603 and the cropping mechanism 7.
As shown in fig. 2 and 3, the slurry tank unit 401 includes a slurry tank 4011, a liquid level detection mechanism 4012 is provided in the slurry tank 4011, and the liquid level detection mechanism 4012 may be an ultrasonic probe. The stock tank 4011 is provided with a liquid inlet 4013 and a return port 4014, and further comprises an electric pump 4023, wherein the liquid inlet 4013 and the return port 4014 are respectively connected with the electric pump 4023 through pipelines. The liquid level of the slurry in the slurry tank 4011 is detected through an ultrasonic probe, the electric pump 4023 is controlled to inject the slurry into the slurry tank 4011, and the depth of the textile immersed into the slurry tank 4011 is kept unchanged by combining with the backflow port 4014, so that the consistency of the slurry contained in the textile is achieved. The bottom of the slurry tank 4011 is connected with a base 4015, and a pipeline passes through the base 4015 to be connected with a liquid inlet 4013 and a backflow port 4014; the base 4015 is connected with a driving mechanism for driving the base 4015 to move up and down. Actuating mechanism includes two cylinders 4016, and every cylinder 4016 expansion end is connected with pivot 4017, and swing joint has first tie shaft 4018 in the pivot 4017, and first tie shaft 4018 free end passes through first round pin axle 4019 and connects base 4015. The cylinder 4016 drives the rotating shaft 4017 to rotate, and the lifting of the base 4015, namely the lifting of the stock tank 4011, is realized through the change of the angle between the first connecting shaft 4018 and the rotating shaft 4017.
The stock chest lifting unit 401 and the padder unit 402 are both fixed on the wall plate 404, and the stock chest lifting unit 401 is positioned below the padder unit 402; the base 4015 is connected with a second connecting shaft 4021 through a second pin shaft 4020, and the second connecting shaft 4021 is connected with the wallboard 404 through a third pin shaft 4022; the fixed end of cylinder 4016 is fixed on wall plate 404. The second pin shaft 4020, the second connecting shaft 4021 and the third pin shaft 4022 can further ensure the stability of the stock vat 4011. Three groups of guide rollers for guiding materials are arranged between the material guiding roller 403 and the centering unit 3, and two groups of Teflon guide rollers for guiding materials are arranged between the material guiding roller 403 and the padder unit 402 to ensure the tension of textile fabrics.
As shown in fig. 4, the transfer printing part 5 includes a printing unit 501, a front film receiving and releasing unit 502, a back film releasing unit 514, and a back film receiving unit 515, the printing unit 501 includes a central roller 5011, hydraulic rubber rollers 5012 for pressing textile fabrics on the central roller 5011 are disposed on two sides of the central roller 5011, and an included angle between the two pressing central rollers 5011 is 136-142 °; the front and rear film collecting and releasing units 502 and 514 are located on the textile fabric inlet side of the center roller 5011, the front film collecting and releasing unit 502 is located above the rear film releasing unit 514, and the rear film collecting and releasing unit 515 is located on the textile fabric outlet side of the center roller 5011. As shown in fig. 5, the front-side film folding and unfolding unit 502 includes a magnetic powder brake 5021 and a torque motor 5022, the magnetic powder brake 5021 and the torque motor 5022 are fixed on one side of the wall board 404 through a connector, an output end of the magnetic powder brake 5021 is connected with a film unfolding air-expanding shaft 5023, a free end of the film unfolding air-expanding shaft 5023 is connected with an operating hand wheel, and the magnetic powder brake 5021, the film unfolding air-expanding shaft 5023 and the operating hand wheel form a film unfolding mechanism; the output end of the torque motor 5022 is connected with a membrane collecting air expansion shaft 5024, the free end of the membrane collecting air expansion shaft 5024 is connected with an operating hand wheel, and the torque motor 5022, the membrane collecting air expansion shaft 5024 and the operating hand wheel form a membrane collecting mechanism. The back film releasing unit 514 and the back film collecting unit 515 are respectively the same as the film releasing mechanism and the film collecting mechanism of the front film releasing unit 502.
A first tape guide roller 503, a second tape guide roller 504, a third tape guide roller 505, a fourth tape guide roller 506 and a fifth tape guide roller 507 are sequentially arranged around the periphery of the central roller 5011, the first tape guide roller 503, the central roller 5011 and the fifth tape guide roller 507 are distributed in a triangular shape, and a sixth tape guide roller 508 and a deviation rectifying roller 509 are arranged between the third tape guide roller 505 and the fourth tape guide roller 506; the film forming machine further comprises a first back film guide roller 510, a second back film guide roller 511, a seventh guide roller 512 and a positive film guide roller 513, wherein the first back film guide roller 510 is positioned below the second back film guide roller 511, the first tape guide roller 503, the second back film guide roller 511 and the seventh guide roller 512 form a rising straight line, and gaps are formed among the first back film guide roller 510, the second back film guide roller 511 and the seventh guide roller 512; the positive film guide roller 513 is positioned higher than the seventh guide roller 512. A discharge guide roller 516 is arranged above the central roller 5011.
Specifically, the textile enters the central roller 5011 from the seventh guide roller 512, the film releasing mechanism of the front film receiving and releasing unit 502 releases the transfer film and enters the central roller 5011 through the front film guide roller 513, the back film releasing unit 514 releases the transfer film and enters the central roller 5011 through the first back film guide roller 510 and the second back film guide roller 511, the textile is located between the two layers of the transfer films, and the two hydraulic rubber rollers 5012 are pushed to be close to the central roller 5011 through the combined pressure of the hydraulic cylinders to extrude the textile, so that double-sided transfer printing is realized; the printed textile fabric sequentially passes through a second tape guide roller 504, a third tape guide roller 505, a fourth tape guide roller 506, a sixth tape guide roller 508, a deviation rectification roller 509, a fifth tape guide roller 507, a first tape guide roller 503 and a discharge guide roller 516 to enter the first tape guide roller assembly 601, and the deviation rectification roller 509 is used for adjusting the printing blanket belt 34 at the central position, so that the cloth is centered to realize double-sided transfer printing. The front transfer film enters the film collecting mechanism, and the back transfer film enters the back film collecting unit 515 through the second tape guide roller 504 and the third tape guide roller 505.
The drying mechanism 602 is an oven, the first guide roller assembly 601 comprises a first layer of circulating guide roller assembly, the first layer of circulating guide roller assembly comprises a first mesh belt front guide roller a6011, a first mesh belt front guide roller b6012, a first mesh belt front guide roller c6013 and a first mesh belt front guide roller d6014 which are sequentially arranged, a first mesh belt front guide roller e6015 is arranged above the first mesh belt front guide roller a6011, a first mesh belt roller 6016 is arranged below the space between the first mesh belt front guide roller a6011 and the first mesh belt front guide roller b6012, the second guide roller assembly 603 comprises a first mesh belt rear guide roller 6031, a discharge guide roller 516, the first mesh belt front guide roller e6015, a first mesh belt rear guide roller 6031, the first mesh belt front guide roller d6014, the first mesh belt front guide roller c6013, the first mesh belt front guide roller b6012, the first mesh belt circulating roller 6016 and the first mesh belt a6011 form a closed mesh belt body. The textile after printing and transferring enters an oven through a discharging guide roller 516, a first mesh belt front guide roller e6015, a first mesh belt rear guide roller 6031 and a first mesh belt front guide roller d6014, and then forms a closed cycle through a first mesh belt front guide roller c6013, a first mesh belt front guide roller b6012, a first mesh belt roller 6016, a first mesh belt front guide roller a6011 and a discharging guide roller 516, and primary drying is achieved on the first layer of the oven.
Further, the first guide roller assembly 601 further comprises a second layer of circulating guide roller assembly located below the first layer of circulating guide roller assembly, the second layer of circulating guide roller assembly comprises a second mesh belt roller 6017, the second mesh belt roller 6017 is located below the first mesh belt guide roller d6014, the second guide roller assembly 603 further comprises a second mesh belt rear guide roller a6032, a second mesh belt rear guide roller b6033 and a second mesh belt rear guide roller c6034, and the second mesh belt roller 6017, the second mesh belt rear guide roller a6032, the second mesh belt rear guide roller b6033 and the second mesh belt rear guide roller c6034 form a closed mesh belt circulating body. The textile fabrics coming out of the first layer of the oven fall on the second layer after passing through a first mesh belt rear guide roller 6031, a closed cycle is formed after passing through a second mesh belt roller 6017, a second mesh belt rear guide roller c6034, a second mesh belt rear guide roller b6033 and a second mesh belt rear guide roller a6032, and secondary drying is realized on the second layer of the oven.
Furthermore, the first guide roller assembly 601 further comprises a third layer of circulating guide roller assembly positioned below the second layer of circulating guide roller assembly, the third layer of circulating guide roller assembly comprises a third mesh belt roller 6018, a third mesh belt front guide roller a6019, a third mesh belt front guide roller b6020, a third mesh belt front guide roller c6021, the third mesh belt front guide roller b6020 and the third mesh belt front guide roller c6021 positioned below the third mesh belt front guide roller a6019, and the third mesh belt roller 6018, the third mesh belt front guide roller a6019 and the third mesh belt front guide roller b6020 are distributed in a triangular shape; the second guide roller assembly 603 further comprises a third mesh belt rear guide roller a6035 and a third mesh belt rear guide roller b6036, the third mesh belt rear guide roller a6035 is positioned below the second mesh belt rear guide roller a6032, and a closed mesh belt circulating body is formed by the third mesh belt front guide roller a6019, the third mesh belt roller 6018, the third mesh belt front guide roller c6021, the third mesh belt front guide roller b6020, the third mesh belt rear guide roller b6036 and the third mesh belt rear guide roller a 6035. The textile fabric coming out of the second layer of the oven passes through a third mesh belt front guide roller a6019, a third mesh belt roller 6018, a third mesh belt front guide roller c6021, a third mesh belt front guide roller b6020, a third mesh belt rear guide roller b6036 and a third mesh belt rear guide roller a6035 to form a closed cycle, the third drying is realized on the third layer of the oven, and the dried textile fabric enters the cropping mechanism 7 through the guide roller set.
The working process of the double-sided cold transfer printing equipment is as follows:
after the cloth to be transferred passes through the material placing frame 1, the wrap angle of an S-shaped roller in the material placing frame 1 is used for adjusting the tension of the cloth, so that the tension of the cloth reaches a preset state, the cloth edges and the turned edges are unfolded and flattened through the double-roller expanding part 2, and the cloth is moved to a centered position through the centering unit 3; then, the cloth enters the material guide rollers 403 in the slurry tank 4011 through three sets of guide rollers, so that the cloth is completely immersed in the slurry tank 4011; at the moment, the cloth soaked with the sizing agent enters a padder unit 402 consisting of two rubber rollers with the Shore 90 degrees and pushed and pulled by a hydraulic cylinder through two groups of guide rollers, the thrust of the hydraulic cylinder is adjusted, and the redundant sizing agent on the cloth is extruded out, so that the sizing agent on the cloth has the rolling residual rate of 35-40%; the transfer printing film enters the central roller 5011, meanwhile, the film to be transferred is tightly wrapped by cloth through the front film collecting and releasing unit 502 and the back film placing unit 514, and then the double-sided transfer printing is realized through extrusion of two hydraulic rubber rollers 5012. The cloth after transfer printing enters an oven through a discharge guide roller 516, a first mesh belt front guide roller e6015, a first mesh belt rear guide roller 6031 and a first mesh belt front guide roller d6014, and then forms closed circulation through a first mesh belt front guide roller c6013, a first mesh belt front guide roller b6012, a first mesh belt roller 6016, a first mesh belt front guide roller a6011 and a discharge guide roller 516, and first drying is realized on the first layer of the oven; the textile fabric coming out of the first layer of the oven falls on the second layer after passing through a first mesh belt rear guide roller 6031, a closed cycle is formed by a second mesh belt roller 6017, a second mesh belt rear guide roller c6034, a second mesh belt rear guide roller b6033 and a second mesh belt rear guide roller a6032, and secondary drying is realized on the second layer of the oven; the textile fabric coming out of the second layer of the oven passes through a third mesh belt front guide roller a6019, a third mesh belt roller 6018, a third mesh belt front guide roller c6021, a third mesh belt front guide roller b6020, a third mesh belt rear guide roller b6036 and a third mesh belt rear guide roller a6035 to form a closed cycle, the third drying is realized on the third layer of the oven, and the dried textile fabric enters a cloth swinging rod 702 through a guide roller set to collect the dried printed cloth to a cloth vehicle.
Through the mode, the double-sided cold transfer printing equipment disclosed by the invention belongs to transfer printing at a normal temperature, and the energy consumption of the equipment can be reduced by about 67% compared with that of heat transfer printing; the transfer film printed by the pollution-free environment-friendly water-based ink is used for replacing ink for transfer, and the transfer film can be recycled and reprocessed for secondary use after transfer printing, so that the national environment-friendly requirement is completely met; little waste water is generated in the operation process of the equipment, and no harmful residue exists on the cloth after the transfer printing; the liquid level of the sizing agent in the size tank is detected through an ultrasonic probe to control the liquid level, so that the cloth is immersed into the sizing agent to the maximum extent, the rolling allowance rate is ensured to be between 35% and 40% through the pressure of a padder, the rear double-sided transfer printing is in the best state, and the transfer success rate is more than 98%; through the front and back transfer printing, the function of back printing is independently added after the front transfer printing is replaced, the cost is greatly reduced, the structure is simple and easy to operate, and the back transfer printing efficiency is improved; the original transfer printing is reduced to two hydraulic rollers, the included angle is 136 degrees, the original structure can be completely replaced, and the equipment cost is greatly reduced; when the back transfer film, the front transfer film and the middle cloth enter the central roller, the back transfer film, the front transfer film and the middle cloth cannot contact the printing blanket belt, but firstly contact the central roller, the film and the cloth can be tightly coated on the central roller through the printing blanket belt, and the double-sided transfer printing effect is greatly improved.
Claims (7)
1. A double-sided cold transfer printing device is used for transferring patterns to the surfaces of textile fabrics and is characterized by comprising a material placing frame (1), a double-roller spreading part (2), a centering unit (3), a pulp soaking mechanism (4), a transfer printing part (5), a circulating drying mechanism (6) and a cropping mechanism (7) which are sequentially arranged; the circulating drying mechanism (6) comprises a first guide roller assembly (601), a drying mechanism (602) and a second guide roller assembly (603) which are sequentially arranged, the slurry soaking mechanism (4) comprises a slurry tank unit (401), and a guide roller (403) is arranged in the slurry tank unit (401) of the padder unit (402);
the transfer printing part (5) comprises a printing unit (501), a front film collecting and releasing unit (502), a back film discharging unit (514) and a back film collecting unit (515), wherein the printing unit (501) comprises a central roller (5011), and hydraulic rubber rollers (5012) used for pressing textiles on the central roller (5011) are arranged on two sides of the central roller (5011); the front film collecting and releasing unit (502) and the back film releasing unit (514) are positioned on the textile fabric inlet side of the central roller (5011), the front film collecting and releasing unit (502) is positioned above the back film releasing unit (514), and the back film collecting unit (515) is positioned on the textile fabric outlet side of the central roller (5011);
a first tape guide roller (503), a second tape guide roller (504), a third tape guide roller (505), a fourth tape guide roller (506) and a fifth tape guide roller (507) are sequentially arranged around the periphery of the central roller (5011), the first tape guide roller (503), the central roller (5011) and the fifth tape guide roller (507) are distributed in a triangular shape, and a sixth tape guide roller (508) and a deviation rectification roller (509) are arranged between the third tape guide roller (505) and the fourth tape guide roller (506); the film-correcting device is characterized by further comprising a first back film guide roller (510), a second back film guide roller (511), a seventh guide roller (512) and a film-correcting guide roller (513), wherein the first back film guide roller (510) is positioned below the second back film guide roller (511), the first tape guide roller (503), the second back film guide roller (511) and the seventh guide roller (512) form a rising straight line, and gaps exist among the first back film guide roller, the second back film guide roller and the seventh guide roller; the positive film guide roller (513) is higher than the seventh guide roller (512); a discharging guide roller (516) is arranged above the central roller (5011);
drying machine constructs (602) and is the oven, first guide roller subassembly (601) includes first layer circulation guide roller subassembly, first layer circulation guide roller subassembly is including the first guipure front guide roller a (6011), first guipure front guide roller b (6012), first guipure front guide roller c (6013), first guipure front guide roller d (6014) that set gradually, first guipure front guide roller a (6011) top is provided with first guipure front guide roller e (6015), the below is provided with first guipure roller (6016) between first guipure front guide roller a (6011), first guipure front guide roller b (6012), second guide roller (603) includes deflector roll behind the first guipure (6031), ejection of compact deflector roll (516), first guipure front guide roller e (6015), deflector roll behind first guipure front guide roller (6031), first guipure front guide roller d (6014), first guipure front guide roller c (6013), first deflector roll 601b (guipure 2), first guipure front guide roller (6016), first guipure front guide roller a (6011) loop body forms.
2. The double-sided cold transfer printing equipment according to claim 1, wherein the stock tank unit (401) comprises a stock tank (4011), a liquid level detection mechanism (4012) is arranged in the stock tank (4011), a liquid inlet (4013) and a return port (4014) are formed in the stock tank (4011), the double-sided cold transfer printing equipment further comprises an electric pump (4023), and the liquid inlet (4013) and the return port (4014) are respectively connected with the electric pump (4023) through pipelines; the bottom of the size tank (4011) is connected with a base (4015), and the pipeline penetrates through the base (4015) to be connected with a liquid inlet (4013) and a backflow port (4014); and a driving mechanism for the vertical movement of the base (4015) is connected to the base.
3. A double-sided cold transfer printing apparatus according to claim 2, wherein the driving mechanism comprises two cylinders (4016), each cylinder (4016) has a rotating shaft (4017) connected to the movable end thereof, the rotating shaft (4017) has a first connecting shaft (4018) movably connected thereto, and the free end of the first connecting shaft (4018) is connected to the base (4015) through a first pin shaft (4019).
4. The double-sided cold transfer printing equipment according to claim 1, wherein the front-side film collecting and releasing unit (502) comprises a magnetic powder brake (5021) and a torque motor (5022), the output end of the magnetic powder brake (5021) is connected with a film releasing air expansion shaft (5023), and the free end of the film releasing air expansion shaft (5023) is connected with an operating hand wheel; the output end of the torque motor (5022) is connected with a membrane collecting air expansion shaft (5024), and the free end of the membrane collecting air expansion shaft (5024) is connected with an operating hand wheel.
5. A double-sided cold transfer printing apparatus according to claim 1, wherein the first guide roller assembly (601) further comprises a second layer of circulating guide roller assembly located below the first layer of circulating guide roller assembly, the second layer of circulating guide roller assembly comprises a second mesh belt roller (6017), the second mesh belt roller (6017) is located below the first mesh belt front guide roller d (6014), the second guide roller assembly (603) further comprises a second mesh belt rear guide roller a (6032), a second mesh belt rear guide roller b (6033), a second mesh belt rear guide roller c (6034), and the second mesh belt roller (6017), the second mesh belt rear guide roller a (6032), the second mesh belt rear guide roller b (6033), the second mesh belt rear guide roller c (6034) form a closed mesh belt circulating body.
6. A double-sided cold transfer printing equipment according to claim 5, wherein the first guide roller assembly (601) further comprises a third layer of circulating guide roller assembly positioned below the second layer of circulating guide roller assembly, the third layer of circulating guide roller assembly comprises a third mesh belt roller (6018), a third mesh belt front guide roller a (6019), a third mesh belt front guide roller b (6020), and a third mesh belt front guide roller c (6021), the third mesh belt front guide roller b (6020), the third mesh belt front guide roller c (6021) are positioned below the third mesh belt front guide roller a (6019), and the third mesh belt roller (6018), the third mesh belt front guide roller a (6019), and the third mesh belt front guide roller b (6020) are distributed in a triangular shape; second guide roll subassembly (603) still includes guide roll a (6035) behind the third guipure, guide roll b (6036) behind the third guipure, guide roll a (6035) are located guide roll a (6032) below behind the second guipure behind the third guipure, guide roll a (6019), third guipure roller (6018), guide roll c (6021) before the third guipure, guide roll b (6020) behind the third guipure, guide roll b (6036) behind the third guipure, guide roll a (6035) form the closed guipure circulation body behind the third guipure.
7. A double-sided cold-transfer printing apparatus according to claim 1, characterized in that the included angle between the two central compression rollers (5011) is 136-142 °.
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| WO2021128374A1 (en) * | 2019-12-28 | 2021-07-01 | 陈嫦 | Cold transfer printing device |
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| CN102381017A (en) * | 2010-08-30 | 2012-03-21 | 江都市金鑫印染机械有限公司 | Environment-protection transfer printing machine |
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