阅读说明：本技术 一种毛巾小样的多色印花方法及所用的印花小样机 (Multicolor printing method for towel hand sample and used printing hand sample machine ) 是由 李洪颖 薛永喜 李炳宇 张在成 于 2021-07-30 设计创作，主要内容包括：本发明公开了一种毛巾小样的多色印花方法及所用的印花小样机,采用刮刀式印花方法,在刮刀式印花小样机上进行,包括以下步骤：(1)按照所需要印刷的小样颜色数量,在网版上竖向并列刻上多个色样印花图案；(2)配制好需要打样的各种染料色浆；(3)在升降式印刷台上,将打样用毛巾铺平整,依次安装好印花小样网版和刮刀；(4)将升降式印刷台升起,设置刮刀压力和速度与需要打样的大线生产指标一致；(5)在两个刮刀之间,对应色样印花图案处,分别加入需要印刷的小样颜料；然后启动刮刀完成小样印花操作；(6)将印好的毛巾小样,烘箱烘干。本发明印制小样颜色做到统一,提高了上机印制准确率。(The invention discloses a multicolor printing method of a towel hand sample and a used printing hand sample machine, which are carried out on a scraper type printing hand sample machine by adopting a scraper type printing method and comprise the following steps: (1) vertically and parallelly carving a plurality of color sample printing patterns on the screen plate according to the number of the colors of the small samples to be printed; (2) preparing various dye color pastes needing to be subjected to proofing; (3) on the lifting printing table, paving a sample for proofing flat by using a towel, and sequentially installing a printing small sample screen plate and a scraper; (4) lifting the lifting printing table, and setting the pressure and speed of a scraper to be consistent with the large-line production index required to be proofed; (5) respectively adding small sample pigment to be printed between the two scrapers at the positions corresponding to the color sample printed patterns; then, starting a scraper to finish the printing operation of the hand sample; (6) and drying the printed towel sample in an oven. The invention can realize uniform color of printed sample, and improve the printing accuracy.)

1. A multicolor printing method of a towel hand sample is characterized in that a scraper type printing method is adopted and is carried out on a scraper type printing hand sample machine, and the method comprises the following steps:

(1) manufacturing a printing small sample screen printing plate, and vertically carving a plurality of strip-shaped color sample printing patterns on the screen printing plate in parallel according to the number of colors of the small samples to be printed;

(2) preparing various dye color pastes needing to be subjected to proofing;

(3) on a lifting printing table of a small pattern printing machine, paving a pattern for proofing flat, and installing the small pattern printing plate above the towel; installing scrapers above the printing hand sample screen printing plate, wherein the scrapers comprise two scrapers which are arranged in parallel;

(4) lifting the lifting printing table to be tightly attached to the printing small sample screen, and setting the pressure and speed of a scraper so that the pressure and speed of the scraper are consistent with the production indexes of a large line to be subjected to proofing;

(5) respectively adding small dye to be printed between the two scrapers at the positions corresponding to the color sample printed patterns; then starting a scraper to reciprocate once to finish the printing operation of the hand sample;

(6) and taking out the printed towel sample, and drying in an oven.

2. A process for multi-color printing of towel patterns according to claim 1, characterized in that: 6-10 color sample printed patterns are arranged on the printing small sample screen plate in parallel, and each color sample printed pattern is 3-6 cm in width and 10-20 cm in length; the interval between the adjacent color sample printed patterns is 3-5 cm.

3. A process for multi-color printing of towel patterns according to claim 1, characterized in that: the scraper rubber is selected from the same hardness as that of a large-line flat screen printing machine, and the hardness is 55 degrees and 60 degrees respectively.

4. A process for multi-color printing of towel patterns according to claim 1, characterized in that: and (6) taking out the printed small towel sample, drying the small towel sample in an oven, sending the small towel sample to a large-thread steamer for steaming, and washing the oven for drying after steaming.

5. A process for multi-color printing of towel patterns according to claim 4, characterized in that: the drying temperature is 110-120 ℃; the steaming temperature is 100-105 ℃, and the relative humidity is 98-100%.

6. The multi-color printing method for towel patterns according to claim 4, characterized in that the washing process comprises the following steps: cold water washing (5 minutes for each time, 2 times for each time), hot water washing (10 minutes for 90 ℃, 1 time), soap boiling (10 minutes for 95 ℃, 1-2 times for each time), and cold water washing.

7. A printing hand sample for use in a method of multi-color printing of towel hand samples according to any of claims 1 to 6, characterized in that: the small pattern printing machine comprises a rack, wherein a transmission unit, a lifting printing table and a controller are arranged on the rack, and the lifting printing table is connected with the rack in a sliding manner;

sliding rails are respectively arranged on two sides of the rack, and pulleys matched with the sliding rails are correspondingly arranged on two sides of the lifting printing table respectively; the operating end of the lifting printing table is provided with a landing trolley, and the bottom of the landing trolley is provided with a roller;

the frame is also provided with a movable screen printing plate; a plurality of color sample printing patterns are arranged on the movable screen printing plate in parallel; a scraper body is correspondingly arranged above the movable screen printing plate and comprises a scraper seat arranged on the rack in a sliding manner, and the scraper seat is driven by the transmission unit to do reciprocating motion;

two scraper frames are clamped on the scraper seat in parallel, and scrapers are fixedly arranged on the scraper frames; and a pressure regulator is arranged on the scraper seat.

8. Printing jigger as claimed in claim 7, characterized in that: the transmission unit includes servo motor and by the transmission shaft that servo motor drove, the both ends of transmission shaft are connected with the hold-in range through the synchronizing wheel respectively, the hold-in range drives scraper body is reciprocating motion.

9. The printing proofer of claim 8, characterized in that: the controller is electrically connected with the servo motor, the lifting printing table and the scraper body.

10. Printing jigger as claimed in claim 7, characterized in that: and a positioning cylinder is arranged at the lower part of the lifting type printing table.

Technical Field

The invention relates to the technical field of spinning, in particular to a printing technology and equipment for a towel hand sample.

Background

At present, in the field of towel preparation, a printing sample is a very important work in the printing technology, and the accuracy and timeliness of the printing sample determine the color accuracy of the printing sample and whether the sample can be timely mixed.

At present, a printing sample machine on the market mainly adopts a magnetic bar printing mode, the printing sample machine is printed in a magnetic bar rolling mode, only one color can be printed at one time, and the sample outlet efficiency is very low. In addition, when the magnetic rod type sample machine prints a sample, the pressure is large, the difference between the printed color and the color printed on the machine of the scraper machine is large, and the color uniformity is poor, so the magnetic rod type sample machine is not suitable for the magnetic rod type sample printing machine of a scraper type printing factory. At present, a laboratory of a factory generally uses a manual scraping mode to make a hand sample, but the manual scraping is greatly influenced by the operation of an operator, the printing effect is different due to different force application sizes and angles, the printing effect is consistent with the printing effect of a machine, the technical requirement cannot be met, and the workload of technicians is large.

Disclosure of Invention

The first technical problem to be solved by the invention is as follows: aiming at the defects in the prior art, the multicolor printing method of the towel hand sample is provided, a plurality of colors can be printed simultaneously, the scraper type printing is adopted, the printed color sample is completely consistent with the effect of a printing machine, and the color accuracy of the printed hand sample is improved.

The second technical problem to be solved by the invention is: aiming at the defects in the prior art, the printing sample machine used in the multicolor printing method of the towel sample can print a plurality of colors simultaneously, and the scraper type printing is used, so that the printed color sample is completely consistent with the effect of the printing machine, and the printing efficiency of the printing sample is greatly improved.

In order to solve the first technical problem, the technical scheme of the invention is as follows:

a multicolor printing method of a towel hand sample is carried out on a scraper type printing hand sample machine by adopting a scraper type printing method, and comprises the following steps:

(1) manufacturing a printing small sample screen printing plate, and vertically carving a plurality of strip-shaped color sample printing patterns on the screen printing plate in parallel according to the number of colors of the small samples to be printed;

(2) preparing various dye color pastes needing to be subjected to proofing;

(3) on a lifting printing table of a small pattern printing machine, paving a pattern for proofing flat, and installing the small pattern printing plate above the towel; installing scrapers above the printing hand sample screen printing plate, wherein the scrapers comprise two scrapers which are arranged in parallel;

(4) lifting the lifting printing table to be tightly attached to the printing small sample screen, and setting the pressure and speed of a scraper so that the pressure and speed of the scraper are consistent with the production indexes of a large line to be subjected to proofing;

(5) respectively adding small dye to be printed between the two scrapers at the positions corresponding to the color sample printed patterns; then starting a scraper to reciprocate once to finish the printing operation of the hand sample;

(6) and taking out the printed towel sample, and drying in an oven.

As an improved technical scheme, 6-10 color sample printed patterns are arranged on the printing hand sample screen plate in parallel, wherein the width of each color sample printed pattern is 3-6 cm, and the length of each color sample printed pattern is 10-20 cm; the interval between the adjacent color sample printed patterns is 3-5 cm.

As an improved technical scheme, the dye color paste is prepared by using a Datacolor automatic dropping system.

As a preferable technical scheme, the towel for proofing is selected and cut according to the number of the color samples to be printed, and the cloth is consistent with the large goods.

As an improved technical scheme, the hardness of the scraper rubber is the same as that of a large-line flat screen printing machine, and is respectively 55 degrees and 60 degrees.

And (6) taking out the printed towel sample, drying in an oven, steaming in a large-line steamer, and washing in the oven for drying.

As an improved technical scheme, the drying temperature is 110-120 ℃, and the drying time is 10-15 min; the steaming temperature is 100-105 ℃, and the relative humidity is 98-100%. The steaming time is 8-12 min.

As an improved technical scheme, the water washing process comprises the following steps: cold water washing (5 minutes for each time, 2 times for each time), hot water washing (10 minutes for 90 ℃, 1 time), soap boiling (10 minutes for 95 ℃, 1-2 times for each time), and cold water washing.

In order to solve the second technical problem, the technical solution of the present invention is:

the printing hand sample machine comprises a frame, wherein a transmission unit, a lifting printing table and a controller are arranged on the frame, and the lifting printing table is connected with the frame in a sliding manner;

sliding rails are respectively arranged on two sides of the rack, and pulleys matched with the sliding rails are correspondingly arranged on two sides of the lifting printing table respectively; the operating end of the lifting printing table is provided with a landing trolley, and the bottom of the landing trolley is provided with a roller;

the frame is also provided with a movable screen printing plate; a plurality of color sample printing patterns are arranged on the movable screen printing plate in parallel;

a scraper body is correspondingly arranged above the movable screen printing plate and comprises a scraper seat arranged on the rack in a sliding manner, and the scraper seat is driven by the transmission unit to do reciprocating motion;

two scraper frames are clamped on the scraper seat in parallel, and scrapers are fixedly arranged on the scraper frames; and a pressure regulator is arranged on the scraper seat.

As an improved technical scheme, the transmission unit comprises a servo motor and a transmission shaft driven by the servo motor, two ends of the transmission shaft are respectively connected with a synchronous belt through a synchronous wheel, and the synchronous belt drives the scraper body to reciprocate;

as a further improved technical scheme, two ends of the transmission shaft are respectively provided with a synchronous gear, and synchronous belts are respectively meshed on the synchronous gears.

As an improved technical scheme, the controller is electrically connected with the servo motor, the lifting printing table and the scraper body.

As a further improved technical scheme, the scraper seat is provided with two clamping grooves in parallel; clamping seats are arranged at the bottoms of the clamping grooves, and clamping grooves are correspondingly arranged at the bottoms of the two ends of the scraper frame; and the upper part of the scraper seat is provided with a scraper lock catch.

As a further improved technical scheme, the scraper seat is provided with a pressure regulator.

The sensing end of the pressure regulator is positioned above the scraper lock catch.

As a further improved technical scheme, a buffer spring is arranged in the clamping seat.

As an improved technical scheme, a positioning cylinder is arranged at the lower part of the lifting printing table;

the piston stroke of the positioning cylinder is equal to the height difference between the lifting printing table and the movable screen printing plate.

Preferably, at least 4 positioning cylinders are provided.

As an improved technical scheme, a screen fixing frame is arranged on the machine frame, and the movable screen is clamped on the screen fixing frame.

As an improved technical scheme, a pressing plate clamp is arranged on the screen fixing frame, and a pressing plate screw is arranged on the pressing plate clamp.

Due to the adoption of the technical scheme, the invention has the beneficial effects that:

the invention relates to a multicolor printing method of a towel hand sample, which adopts a scraper type printing method, and when a printing hand sample screen is manufactured, a plurality of strip-shaped color sample printing patterns are vertically engraved on the screen in parallel according to the color quantity of the hand sample to be printed; adjusting the pressure and speed of the scraper during printing to make the pressure and speed of the scraper consistent with the large-line production index required to be proofed; drying the printed small towel sample in an oven, steaming the small towel sample in a large-thread steamer, and washing the small towel sample in the oven after steaming; the invention completely simulates the printing mode and structure of a large machine, the design is more suitable for printing the color sample of the towel, one plate can print multiple colors, the pressure is consistent when printing is carried out among multiple colors, the printing is not influenced by operators, the sample printing rate per day reaches more than 200, and the printing efficiency is improved by 4-5 times compared with the original manual printing efficiency. And the printing effect of printing the small sample is basically consistent with that of a large machine, the colors are unified, the printing quality of the small sample is improved, the printing accuracy on the machine is improved, and the problems of repeated sample printing and reduction of products caused by chromatic aberration are solved.

The printing sample machine disclosed by the invention adopts automatic control to realize automatic printing, the lifting printing table can be pulled out and pushed in through the pulleys and the floor trolley, the lofting and sampling operations are facilitated, and a plurality of colors can be printed and dyed at one time; the lifting type printing table can be pulled out and pushed in through the pulleys and the floor trolley, so that a small prototype can be provided with only one printing station, the occupied area and the equipment investment cost are reduced, and the operation and the sampling are convenient.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic top view of an embodiment of the present invention;

FIG. 3 is a schematic diagram of a right-view structure of an embodiment of the present invention;

in the figure, 1, a frame; 11. a slide rail; 2. a transmission unit; 21. a servo motor; 22. a drive shaft; 23. a synchronizing wheel; 24. a synchronous belt; 3. a lifting printing table; 31. a pulley; 32. a floor trolley; 33. a roller; 4. a controller; 5. positioning the air cylinder; 6. moving a screen printing plate; 61. a screen fixing frame; 62. pressing a plate clamp; 63. a pressing plate screw; 64. printing patterns in a color sample; 7. a scraper body; 71. a scraper seat; 72. a doctor holder; 73. a scraper; 74. a pressure regulator; 75. scraper portal frame.

Detailed Description

The invention is further illustrated below with reference to the figures and examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.

As shown in fig. 1, 2 and 3, the scraper type multicolor hand sample printing machine comprises a frame 1, wherein a transmission unit 2, a lifting printing table 3 and a controller 4 are installed on the frame 1, and the lifting printing table 3 is connected with the frame 1 in a sliding manner; two sides of the frame 1 are respectively provided with a slide rail 11, and two sides of the lifting type printing table 3 are respectively and correspondingly provided with a pulley 31 matched with the slide rail 11; a floor trolley 32 is arranged at the operation end of the lifting type printing table 3, and rollers 33 are arranged at the bottom of the floor trolley 32; a positioning cylinder 5 is arranged at the lower part of the lifting printing table 3;

the frame 1 is also provided with a movable screen 6; a screen fixing frame 61 is arranged on the frame 1, and the movable screen 6 is clamped on the screen fixing frame 61; a pressing plate clamp 62 is arranged on the screen fixing frame 61, and a pressing plate screw 63 is arranged on the pressing plate clamp 62; a plurality of color sample printing patterns 64 are arranged on the movable screen 6 in parallel;

the scraper body 7 is correspondingly arranged above the movable screen printing plate 6, the scraper body 7 is arranged on the scraper seat 71 on the frame 1 in a sliding mode, two scraper frames 72 are clamped on the scraper seat 71 in parallel, and scrapers 73 are fixedly arranged on the scraper frames 72. The scraper base 71 is provided with a pressure regulator 74.

The transmission unit 2 comprises a servo motor 21 and a transmission shaft 22 driven by the servo motor 21, two ends of the transmission shaft 22 are respectively connected with a synchronous belt 24 through synchronous wheels 23, and the scraper seat 71 is fixedly connected with the synchronous belt 24; the synchronous belt 24 drives the scraper seat 71 to reciprocate.

The controller 4 is electrically connected with the servo motor 21, the lifting printing table 3, the positioning cylinder 5 and the scraper seat 71.

Example 1

(1) Manufacturing a printing small sample screen printing plate, and vertically carving 7 strip-shaped color sample printing patterns on the screen printing plate in parallel according to the number of the colors of the small samples to be printed; the width of each color sample printed pattern is 4cm, and the length is 13 cm; the interval between the adjacent color sample printed patterns is 4 cm.

(2) Preparing various paint dye color pastes needing to be sampled by using a Datacolor automatic liquid dropping system; 100ml of each color is mixed evenly for standby.

(3) The towel for proofing selects the same grey cloth as the towel for large-line production: pure cotton 100% terry cloth, 65cmX20 cm; gram weight: 310g/m². Pulling a floor trolley on a lifting printing table of a scraper type printing hand sample machine to pull out a lifting operation table, flattening a sample with a towel, pushing the floor trolley in, and installing the printing hand sample screen plate above the towel; and (4) compressing a pressing plate screw, clamping the scraper frame on the scraper seat, and fastening by using a scraper lock catch.

(4) Starting a positioning cylinder, lifting the lifting printing table to be tightly attached to the printing small sample screen plate, and setting the pressure and speed of a scraper so that the pressure and speed of the scraper are consistent with the large line production index required to be subjected to proofing;

(5) respectively adding small dye to be printed between the two scrapers at the positions corresponding to the color sample printed patterns; then the servo motor is started, the transmission shaft drives the synchronous wheel to rotate, and the synchronous wheel sequentially drives the synchronous belt and the scraper seat to move back and forth, so that the scraping and printing operation is completed.

(6) And then starting the positioning cylinder, enabling the lifting type operating platform to fall down, pulling the floor trolley to pull out the lifting type operating platform, taking out the printed towel sample, and drying the towel sample in the drying oven.

Example 2

(1) Manufacturing a printing small sample screen printing plate, and vertically carving 8 strip-shaped color sample printing patterns on the screen printing plate in parallel according to the number of the colors of the small samples to be printed; the width of each color sample printed pattern is 4cm, and the length is 16 cm; the interval between the adjacent color sample printed patterns is 3.5 cm.

(2) Preparing various reactive dye color pastes needing to be printed by using a Datacolor automatic liquid dropping system; 100ml of each color is mixed evenly for standby.

(3) The towel for proofing selects the same grey cloth as the towel for large-line production: pure cotton 100% terry cloth, 65cmX20 cm; gram weight: 310g/m². Pulling a floor trolley on a lifting printing table of a scraper type printing hand sample machine to pull out a lifting operation table, flattening a sample with a towel, pushing the floor trolley in, and installing the printing hand sample screen plate above the towel; and (4) compressing a pressing plate screw, clamping the scraper frame on the scraper seat, and fastening by using a scraper lock catch.

(4) Starting a positioning cylinder, lifting the lifting printing table to be tightly attached to the printing small sample screen plate, and setting the pressure and speed of a scraper so that the pressure and speed of the scraper are consistent with the large line production index required to be subjected to proofing;

(5) respectively adding small reactive dyes to be printed between the two scrapers at positions corresponding to the color sample printed patterns; then the servo motor is started, the rotating shaft drives the synchronous wheel to rotate, and the synchronous wheel sequentially drives the synchronous belt and the scraper seat to move back and forth, so that the scraping and printing operation is completed.

(6) Then starting a positioning cylinder, enabling the lifting type operation platform to fall down, pulling the floor trolley to pull out the lifting type operation platform, taking out the printed towel sample, and drying in a drying oven at the drying temperature of 110 ℃ for 10 min; then sending the mixture to a large-line steamer for steaming, wherein the steaming temperature is 102 ℃, the steaming time is 12min, and the relative humidity is 100%; and (3) steaming and washing: cold water washing (5 minutes for each time, 2 times for each time), hot water washing (10 minutes for 1 time at 90 ℃), soap boiling (10 minutes for 1-2 times for 95 ℃), cold water washing, and oven drying again at 110 ℃ for 15 minutes.