阅读说明：本技术 一种环保编织袋印刷工艺 (Printing process for environment-friendly woven bag ) 是由 郭嫚 文成 于 2021-01-09 设计创作，主要内容包括：本发明提供了一种环保编织袋印刷工艺,其使用了环保编织袋印刷装置,该装置包括安装板、输送卷绕机构、印刷机构以及风干机构。本发明提供了一种环保编织袋印刷工艺,可以解决环保编织袋印刷过程中所存在的以下难题：a.编织袋通过扁丝编织形成之后,多个编织袋通过首尾相连,然后卷绕收集起来,传统的编织袋表面进行印刷时,大多是人工进行,其工作效率低,劳动强度大,或者通过印刷机进行印刷时只能进行单面印刷,无法实现双面印刷；b.在印刷过程中编织袋容易出现褶皱,使得印刷时造成图案断层,导致印刷失败,资源浪费,成本增大,同时印刷后其表面会有油墨,若不将油墨烘干,造成油墨延伸编织袋其他地方,造成印刷失败。(The invention provides an environment-friendly woven bag printing process, which uses an environment-friendly woven bag printing device, wherein the device comprises a mounting plate, a conveying and winding mechanism, a printing mechanism and an air drying mechanism. The invention provides a printing process of an environment-friendly woven bag, which can solve the following problems in the printing process of the environment-friendly woven bag: a. after the woven bags are woven through the flat filaments, a plurality of woven bags are connected end to end and then wound and collected, when printing is carried out on the surfaces of the traditional woven bags, most of the printing is carried out manually, the working efficiency is low, the labor intensity is high, or only single-side printing can be carried out when printing is carried out through a printer, and double-side printing cannot be realized; b. fold appears easily at printing in-process braided bag for cause the pattern fault during the printing, lead to the printing failure, the wasting of resources, the cost increase, its surface has printing ink after the printing simultaneously, if not dry printing ink, causes printing ink to extend other places of braided bag, causes the printing failure.)

1. The utility model provides an environmental protection braided bag printing technology, its used environmental protection braided bag printing device, the device includes mounting panel (1), carries winding mechanism (2), printing mechanism (3) and air-dries mechanism (4), its characterized in that: the specific method for adopting the environment-friendly woven bag printing device to operate is as follows:

s1, device check: before starting the environment-friendly woven bag printing device, checking the operation of the device;

s2, preparing materials: preparing the environment-friendly woven bag coil stock to be printed, and laying the coil stock by a conveying and winding mechanism (2);

s3, printing and air drying: the printing mechanism (3) is used for printing the two sides of the environment-friendly woven bag, and the air drying mechanism (4) is used for air drying the patterns on the environment-friendly woven bag;

s4, winding and collecting: after printing and air drying are finished, winding and collecting are carried out through the conveying winding mechanism (2);

the printing device is characterized in that the mounting plates (1) are symmetrically and vertically arranged in front and back, a conveying winding mechanism (2), a printing mechanism (3) and an air drying mechanism (4) are arranged between the two mounting plates (1), the two printing mechanisms (3) are positioned in the middle of the mounting plates (1) and are vertically distributed, and the air drying mechanisms (4) are arranged on two sides of the printing mechanisms (3); wherein:

the printing mechanism (3) comprises a printing base (31), a printing plate (32), an installation block (33), a lifting seat (34), buffer springs (35), a lifting branched chain (36), a moving groove (37), a rotating rod (38), a driving branched chain (39), a painting roller (310) and a moving block (311), wherein the two printing bases (31) are fixedly installed on the relative inner side wall of the two installation plates (1), the two printing bases (31) are distributed up and down, the lifting seat (34) is arranged above the printing bases (31), the lifting seat (34) is integrally of a groove structure with an opening at the lower end face, the installation block (33) is arranged in a groove of the lower end face of the lifting seat (34) in a sliding mode, the printing plate (32) is installed on the lower end face of the installation block (33), and the plurality of buffer springs (35) are uniformly fixed on the upper end face of the installation, the upper end of the buffer spring (35) is fixed on the inner end face of a groove of the lifting seat (34), the upper end face of the lifting seat (34) is connected with a lifting branched chain (36), moving grooves (37) are formed in the opposite inner side walls of the two mounting plates (1), the moving grooves (37) are located above the printing base (31), rotating rods (38) are arranged in the moving grooves (37), two ends of each rotating rod (38) are fixedly mounted on the mounting plates (1) through bearings, a moving block (311) is sleeved on each rotating rod (38) in a threaded connection mode, the front end and the rear end of each painting roller (310) are fixed on the corresponding moving block (311), and the rotating rods (38) are connected with driving branched chains (39);

the conveying and winding mechanism (2) comprises a unwinding shaft (21), a tensioning branched chain (22), conveying rollers (23), a winding shaft (24) and a winding motor (25), the conveying rollers (23) are arranged on the left side and the right side of the printing base (31), the environment-friendly woven bags on the conveying rollers (23) on the two sides of the printing base are in a horizontal state, the conveying rollers (23) are also arranged below the conveying rollers (23) on the left side of the printing base (31), the front end and the rear end of each conveying roller (23) are fixed on the mounting plate (1), the winding shaft (24) is arranged below the printing base (31), the two ends of each winding shaft (24) are fixed on the mounting plate (1) through bearings, one end of each winding shaft (24) is connected with the output end of the winding motor (25) through a coupler, and the winding motor (25) is fixed on the, a tensioning branched chain (22) is arranged in the middle of the right side of each of the two printing bases (31), the tensioning branched chain (22) is arranged between the two conveying rollers (23) on the left side of the printing base (31) below, a unreeling shaft (21) is arranged in the middle of the left side of each of the two printing bases (31), two ends of the unreeling shaft (21) are mounted on the mounting plate (1) through bearings, and the tensioning branched chain (22) is arranged between the unreeling shaft (21) and the conveying rollers (23) on the left side of the printing base (31) above;

air-dry mechanism (4) including bellows (41), air-blower (42) and hole (43) of airing exhaust, tensioning branch chain (22) right side department on mounting panel (1) right side is provided with bellows (41), tensioning branch chain (22) left side department below mounting panel (1) is provided with bellows (41), bellows (41) are inside hollow shell structure, bellows (41) are provided with the arcwall face towards the terminal surface of tensioning branch chain (22), hole (43) of airing exhaust has evenly been seted up on the arcwall face, the terminal surface that tensioning branch chain (22) were kept away from in bellows (41) evenly is provided with a plurality of air-blowers (42).

2. The printing process of the environment-friendly woven bag according to claim 1, characterized in that: tensioning branched chain (22) including tensioning groove (221), tensioning piece (222) and tensioning spring (223), tensioning groove (221) have been seted up on mounting panel (1), it is provided with tensioning piece (222) to slide in tensioning groove (221), conveying roller (23) front and back end is fixed on tensioning piece (222), tensioning spring (223) one end fixed connection is on tensioning piece (222), other end fixed connection is in tensioning groove (221).

3. The printing process of the environment-friendly woven bag according to claim 1, characterized in that: the lifting branched chain (36) comprises a connecting rod (361), a fixing pin (362), a rotating block (363), a lifting motor (364), a fixing plate (365), a through hole (366), a telescopic rod (367), a limiting ring (368), a fixing rod (369) and a limiting spring (360), wherein a mounting seat is fixedly mounted in the middle of the upper end face of the lifting seat (34), the lower end of the connecting rod (361) is rotatably connected with the mounting seat through a pin shaft, the fixing plate (365) is arranged above the lifting seat (34), the through hole (366) which is through up and down is formed in the middle of the fixing plate (365), the lifting motor (364) is fixedly mounted on the upper end face of the fixing plate (365) through a motor seat, the rotating block (363) is fixedly sleeved on the output end of the lifting motor (364), the fixing pin (362) is fixedly welded on the edge of the end face of the rotating block (363), and the upper, four corners of lift seat (34) up end are fixed with telescopic link (367), terminal surface under fixed plate (365) is fixed to telescopic link (367) upper end, the cover is equipped with spacing ring (368) on telescopic link (367), spacing ring (368) up end circumference evenly is fixed with dead lever (369), dead lever (369) upper end welding is terminal surface under fixed plate (365), the cover is equipped with limit spring (360) on telescopic link (367), limit spring (360) both ends difference fixed connection is on lift seat (34) and spacing ring (368).

4. The printing process of the environment-friendly woven bag according to claim 3, characterized in that: the driving branched chain (39) comprises a linkage gear (391), a transmission chain (392) and a driving motor (393), the linkage gear (391) is fixedly sleeved on the rotating rod (38), the two linkage branched chains are connected through the transmission chain (392), one end of the rotating rod (38) is connected with the output end of the driving motor (393) through a coupler, and the driving motor (393) is fixedly installed in the installation plate (1) through a motor base.

5. The printing process of the environment-friendly woven bag according to claim 1, characterized in that: the mounting block (33) is internally provided with a mounting groove, and a heating plate (33a) is mounted in the mounting groove.

6. The printing process of the environment-friendly woven bag according to claim 1, characterized in that: scribble brush roll (310) be hollow roller, it has printing ink to scribble hollow inside of brush roll (310), it is equipped with sponge ring (310b) to scribble outer surface cover of brush roll (310), it evenly has seted up out liquid hole (310c) along its surface circumference to scribble brush roll (310), go out liquid hole (310c) and scribble brush roll (310) inside and be linked together.

7. The printing process of the environment-friendly woven bag according to claim 4, characterized in that: the winding motor (25), the driving motor (393) and the lifting motor (364) are all stepping motors.

Technical Field

The invention relates to the technical field of woven bags, in particular to an environment-friendly woven bag printing process.

Background

The woven bag, also called as snake skin bag, is one kind of plastic bag for packing, and is produced with polyethylene, polypropylene and other chemical plastic material and with weaving density of 100mm inside the woven fabric and the number of warp and weft yarns. The woven bag is generally white or grey white, is nontoxic and tasteless, generally has little harm to human bodies, is made of various chemical plastics, but has strong environmental protection performance and large recovery degree; woven bags have a wide range of applications, are mainly used for packaging and packing various articles, and have wide industrial applications.

At present, the following problems exist in the printing process of the environment-friendly woven bag: a. after the woven bags are woven through the flat filaments, a plurality of woven bags are connected end to end and then wound and collected, when printing is carried out on the surfaces of the traditional woven bags, most of the printing is carried out manually, the working efficiency is low, the labor intensity is high, or only single-side printing can be carried out when printing is carried out through a printer, and double-side printing cannot be realized; b. fold appears easily at printing in-process braided bag for cause the pattern fault during the printing, lead to the printing failure, the wasting of resources, the cost increase, its surface has printing ink after the printing simultaneously, if not dry printing ink, causes printing ink to extend other places of braided bag, causes the printing failure.

Disclosure of Invention

Technical problem to be solved

The invention provides a printing process of an environment-friendly woven bag, which can solve the following problems in the printing process of the environment-friendly woven bag: a. after the woven bags are woven through the flat filaments, a plurality of woven bags are connected end to end and then wound and collected, when printing is carried out on the surfaces of the traditional woven bags, most of the printing is carried out manually, the working efficiency is low, the labor intensity is high, or only single-side printing can be carried out when printing is carried out through a printer, and double-side printing cannot be realized; b. fold appears easily at printing in-process braided bag for cause the pattern fault during the printing, lead to the printing failure, the wasting of resources, the cost increase, its surface has printing ink after the printing simultaneously, if not dry printing ink, causes printing ink to extend other places of braided bag, causes the printing failure.

(II) technical scheme

In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides an environmental protection braided bag printing technology, its used environmental protection braided bag printing device, the device includes mounting panel, carries winding mechanism, printing mechanism and air-dries the mechanism, when adopting above-mentioned environmental protection braided bag printing device operation concrete method as follows:

s1, device check: before starting the environment-friendly woven bag printing device, checking the operation of the device;

s2, preparing materials: preparing an environment-friendly woven bag coil stock to be printed, and laying the environment-friendly woven bag coil stock by a conveying and winding mechanism;

s3, printing and air drying: printing the double surfaces of the environment-friendly woven bag through the printing mechanism, and air-drying the patterns on the environment-friendly woven bag through the air-drying mechanism;

s4, winding and collecting: after printing and air drying are finished, winding and collecting through a conveying winding mechanism;

the printing device comprises mounting plates, a conveying and winding mechanism, a printing mechanism and an air drying mechanism, wherein the mounting plates are symmetrically and vertically arranged from front to back, the conveying and winding mechanism, the printing mechanism and the air drying mechanism are arranged between the two mounting plates, the two printing mechanisms are positioned in the middle of the mounting plates and are vertically distributed, and the air drying mechanisms are arranged on two sides of the printing mechanism; wherein:

the printing mechanism comprises a printing base, a printing plate, a mounting block, a lifting seat, buffer springs, a lifting branched chain, a moving groove, a rotating rod, a driving branched chain, a brushing roller and a moving block, wherein the two printing bases are fixedly mounted on the opposite inner side walls of the two mounting plates and are distributed up and down, the lifting seat is arranged above the printing bases, the lifting seat is integrally of a groove structure with an opening at the lower end surface, the mounting block is arranged in a groove of the lower end surface of the lifting seat in a sliding manner, the printing plate is mounted on the lower end surface of the mounting block, the buffer springs are uniformly fixed on the upper end surface of the mounting block, the upper ends of the buffer springs are fixed on the inner end surface of the groove of the lifting seat, the upper end surface of the lifting seat is connected with the lifting branched chain, the moving grooves are formed on the opposite, the movable brush roller is characterized in that a rotating rod is arranged in the movable groove, the two ends of the rotating rod are fixedly mounted on the mounting plate through bearings, a movable block is sleeved on the rotating rod through a threaded connection mode, the front end and the rear end of the brush roller are fixed on the movable block, and the rotating rod is connected with a driving branched chain.

The conveying and winding mechanism comprises unwinding shafts, tensioning branch chains, conveying rollers, winding shafts and winding motors, the conveying rollers are arranged on the left side and the right side of the printing base, the environment-friendly woven bags on the conveying rollers on the two sides of the printing base are in a horizontal state, the conveying rollers are also arranged below the conveying rollers on the left side of the printing base below, the front ends and the rear ends of the conveying rollers are fixed on the mounting plate, the winding shafts are arranged below the printing base below, the two ends of each winding shaft are fixed on the mounting plate through bearings, one end of each winding shaft is connected with the output end of the winding motor through a coupler, the winding motors are fixed on the mounting plate through motor bases, the tensioning branch chains are arranged in the middle parts of the right sides of the two printing bases, the tensioning branch chains are arranged between the two, the two ends of the unreeling shaft are mounted on the mounting plate through bearings, and a tensioning branched chain is arranged between the unreeling shaft and the conveying roller above the left side of the printing base.

Air-dry mechanism include bellows, air-blower and the hole of airing exhaust, tensioning branch chain right side department on mounting panel right side is provided with bellows, tensioning branch chain left side department on the left side below of mounting panel is provided with bellows, bellows are inside hollow shell structure, bellows are provided with the arcwall face towards the terminal surface of tensioning branch chain, the hole of airing exhaust has evenly been seted up on the arcwall face, the terminal surface that the tensioning branch chain was kept away from to bellows evenly is provided with a plurality of air-blowers.

Preferably, the tensioning branch chain include tensioning groove, tensioning piece and tensioning spring, the tensioning groove has been seted up on the mounting panel, it is provided with the tensioning piece to slide in the tensioning groove, the conveying roller front and back end is fixed on the tensioning piece, tensioning spring one end fixed connection is on the tensioning piece, other end fixed connection is in the tensioning groove.

Preferably, the lifting branched chain comprises a connecting rod, a fixed pin, a rotating block, a lifting motor, a fixed plate, a through hole, a telescopic rod, a limiting ring, a fixed rod and a limiting spring, the middle part of the upper end surface of the lifting seat is fixedly provided with an installation seat, the lower end of the connecting rod is rotatably connected with the installation seat through a pin shaft, the fixed plate is arranged above the lifting seat, the middle part of the fixed plate is provided with the through hole which is communicated up and down, the upper end surface of the fixed plate is fixedly provided with the lifting motor through a motor seat, the output end of the lifting motor is fixedly sleeved with the rotating block, the edge of the end surface of the rotating block is fixedly welded with the fixed pin, the upper end of the connecting rod passes through the through hole to be rotatably connected with the fixed pin, the, the utility model discloses a spacing ring, including spacing ring, fixed rod upper end, telescopic link, spacing spring both ends difference fixed connection are on lift seat and spacing ring.

Preferably, the drive branched chain include linkage gear, driving chain and driving motor, fixed cover is equipped with linkage gear, two on the dwang the linkage branched chain is connected, one through the driving chain dwang one end is connected with the driving motor output through the shaft coupling, driving motor passes through motor cabinet fixed mounting in the mounting panel.

Preferably, the mounting block is internally provided with a mounting groove, and the heating plate is mounted in the mounting groove.

Preferably, the brushing roller is a hollow roller, ink is arranged in the hollow portion of the brushing roller, a sponge ring is sleeved on the outer surface of the brushing roller, liquid outlet holes are uniformly formed in the brushing roller along the circumferential direction of the surface of the brushing roller, and the liquid outlet holes are communicated with the inner portion of the brushing roller.

Preferably, the winding motor, the driving motor and the lifting motor are all stepping motors.

(III) advantageous effects

1. The invention provides a printing process of an environment-friendly woven bag, which can solve the following problems in the printing process of the environment-friendly woven bag: a. after the woven bags are woven through the flat filaments, a plurality of woven bags are connected end to end and then wound and collected, when printing is carried out on the surfaces of the traditional woven bags, most of the printing is carried out manually, the working efficiency is low, the labor intensity is high, or only single-side printing can be carried out when printing is carried out through a printer, and double-side printing cannot be realized; b. fold appears easily at printing in-process braided bag for cause the pattern fault during the printing, lead to the printing failure, the wasting of resources, the cost increase, its surface has printing ink after the printing simultaneously, if not dry printing ink, causes printing ink to extend other places of braided bag, causes the printing failure.

2. According to the conveying and winding mechanism designed by the invention, the woven bag is laid on the mounting block through the conveying roller, so that the printing mechanism can print and the air drying mechanism can blow the woven bag, meanwhile, the tensioning branched chain is arranged, the woven bag is ensured to be always in a tensioning state when moving on the conveying roller, the woven bag is prevented from being folded during printing to cause poor printing, and meanwhile, the woven bag is turned over through the matching of the tensioning branched chain, so that the two sides of the woven bag are printed.

3. According to the printing mechanism designed by the invention, the sponge ring on the surface of the painting roller is driven by the driving branched chain to enable the ink on the sponge ring to be painted on the printing plate in a rolling mode, the heating plate is arranged on the mounting block, the ink on the printing plate is ensured not to be solidified through the heating plate, then the lifting branched chain is used for realizing up-and-down movement control of the lifting seat, the lifting seat is ensured to be in a stable state in the up-and-down movement process, and the phenomenon that the lifting seat shakes to cause poor printing is avoided.

4. According to the air drying mechanism designed by the invention, after the woven bag is printed, a certain amount of printing ink is dried on the surface of the woven bag, the printing ink on the woven bag can be quickly dried through the air drying mechanism, the situation that the printing ink on the woven bag extends to other positions to cause printing ink on the surface of the woven bag everywhere is effectively avoided, meanwhile, the drying of the printing ink is accelerated through the air drying mechanism, and the printing efficiency can be improved.

Drawings

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

FIG. 1 is a flow chart of the present invention;

FIG. 2 is a front cross-sectional view of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2;

FIG. 4 is a three-dimensional block diagram of the lift arms and lift base of the present invention;

FIG. 5 is a three-dimensional structural view of a driving branch chain, a rotating rod and a moving block in the description of the present invention;

FIG. 6 is a cross-sectional view of the applicator roll of the present disclosure;

fig. 7 is a sectional view of a winding shaft and a winding motor in the present specification.

Detailed Description

Embodiments of the present invention will be described below with reference to the drawings. In this process, the width of the lines or the size of the components in the drawings may be exaggerated for clarity and convenience of description.

The following terms are defined based on the functions of the present invention, and may be different depending on the intention of the user or the operator or the convention. Therefore, these terms are defined based on the entire contents of the present specification.

As shown in fig. 1 to 7, an environmentally friendly woven bag printing process uses an environmentally friendly woven bag printing device, the device includes a mounting plate 1, a conveying and winding mechanism 2, a printing mechanism 3 and an air drying mechanism 4, and the operation method of the environmentally friendly woven bag printing device is as follows:

s1, device check: before starting the environment-friendly woven bag printing device, checking the operation of the device;

s2, preparing materials: preparing the environment-friendly woven bag coil stock to be printed, and laying the coil stock by the conveying and winding mechanism 2;

s3, printing and air drying: the printing mechanism 3 is used for printing the two sides of the environment-friendly woven bag, and the air drying mechanism 4 is used for air-drying the patterns on the environment-friendly woven bag;

s4, winding and collecting: after printing and air drying are finished, winding and collecting are carried out through the conveying and winding mechanism 2;

mounting panel 1 be the vertical setting of front and back symmetry, two be provided with between the mounting panel 1 and carry winding mechanism 2, printing mechanism 3 and air-dry mechanism 4, two printing mechanism 3 is located the middle department of mounting panel 1, and is vertical distribution, 3 both sides of printing mechanism are provided with air-dry mechanism 4.

The conveying and winding mechanism 2 comprises an unreeling shaft 21, tensioning branched chains 22, conveying rollers 23, winding shafts 24 and a winding motor 25, the conveying rollers 23 are arranged on the left and right sides of a printing base 31, environment-friendly woven bags on the conveying rollers 23 on the two sides of the printing base are in a horizontal state, the conveying rollers 23 are also arranged below the conveying rollers 23 on the left side of the printing base 31, the front and rear ends of the conveying rollers 23 are fixed on a mounting plate 1, the winding shafts 24 are arranged below the printing base 31, the two ends of each winding shaft 24 are fixed on the mounting plate 1 through bearings, one end of each winding shaft 24 is connected with the output end of the winding motor 25 through a coupler, the winding motor 25 is fixed on the mounting plate 1 through a motor base, the tensioning branched chains 22 are arranged in the middle parts of the right sides of the two printing bases 31, and the tensioning, the middle parts of the left sides of the two printing bases 31 are provided with unreeling shafts 21, two ends of each unreeling shaft 21 are installed on the installation plate 1 through bearings, and a tensioning branched chain 22 is arranged between each unreeling shaft 21 and a conveying roller 23 on the left side of the printing base 31 above the unreeling shaft; during specific work, put the epaxial suit of spool 21 and remain the environmental protection braided bag coil stock of printing, then treat that the braided bag moves to conveying roller 23 through the tensioning branch chain 22 of upper left side earlier, then print it through printing mechanism 3, then through conveying roller 23 on the tensioning branch chain 22 that moves to the right side, and weather through air-dry mechanism 4 printing ink on the environmental protection braided bag, rethread conveying roller 23 follows, and realize the environmental protection braided bag turn-over, then print the another side through printing mechanism 3, through tensioning branch chain 22 on next step, and weather printing ink through air-dry mechanism 4, at last through conveying roller 23 coiling on winding shaft 24, wherein winding shaft 24 drives its rotation through coiling motor 25.

The tensioning branched chain 22 comprises a tensioning groove 221, a tensioning block 222 and a tensioning spring 223, the tensioning groove 221 is formed in the mounting plate 1, the tensioning block 222 is arranged in the tensioning groove 221 in a sliding mode, the front end and the rear end of the conveying roller 23 are fixed on the tensioning block 222, one end of the tensioning spring 223 is fixedly connected to the tensioning block 222, and the other end of the tensioning spring 223 is fixedly connected to the tensioning groove 221; during specific work, the woven environment-friendly bag needs to be ensured to be in a tensioning state in the printing process so as to prevent the woven environment-friendly bag from being wrinkled and causing poor printing, and the tensioning block 222 drives the conveying roller 23 to slide in the tensioning groove 221 through the tensioning spring 223 so as to enable the woven environment-friendly bag to be in the tensioning state all the time.

The printing mechanism 3 comprises printing bases 31, printing plates 32, mounting blocks 33, lifting seats 34, buffer springs 35, lifting branched chains 36, moving grooves 37, rotating rods 38, driving branched chains 39, brushing rollers 310 and moving blocks 311, wherein the two printing bases 31 are fixedly mounted on the opposite inner side walls of the two mounting plates 1, the two printing bases 31 are distributed up and down, the lifting seats 34 are arranged above the printing bases 31, the lifting seats 34 are integrally of a groove structure with an opening at the lower end face, the mounting blocks 33 are slidably arranged in the grooves of the lower end face of the lifting seats 34, the printing plates 32 are mounted on the lower end faces of the mounting blocks 33, the plurality of buffer springs 35 are uniformly fixed on the upper end faces of the mounting blocks 33, the upper ends of the buffer springs 35 are fixed on the inner end faces of the grooves of the lifting seats 34, the upper ends of the lifting seats 34 are connected with the lifting branched chains 36, the moving grooves 37 are formed on the opposite, the moving groove 37 is located above the printing base 31, a rotating rod 38 is arranged in the moving groove 37, two ends of the rotating rod 38 are fixedly mounted on the mounting plate 1 through bearings, the rotating rod 38 is sleeved with a moving block 311 in a threaded connection mode, the front end and the rear end of the painting roller 310 are fixed on the moving block 311, and the rotating rod 38 is connected with a driving branched chain 39; during specific work, the lifting branched chain 36 is started, under the action of the lifting branched chain 36, the lifting seat 34 moves downwards, until the printing plate 32 on the mounting block 33 is contacted with the woven environment-friendly bag on the printing base 31, the lifting seat 34 moves downwards continuously, when the printing plate 32 extrudes the printing base 31 through the woven environment-friendly bag, under the action of the buffer spring 35, the mounting block 33 can slide in the groove of the lifting seat 34, the printing plate 32 is prevented from being extruded with the printing base 31, the printing plate 32 is prevented from being damaged, printing failure is caused, after printing is finished, the lifting seat 34 moves upwards through the lifting branched chain 36, when the printing plate moves upwards to the highest point, the rotating rod 38 starts to rotate under the driving of the driving branched chain 39, through the threaded fit of the rotating rod 38 and the moving block 311, the moving block 311 drives the painting roller 310 to move in the moving groove 37, and the painting roller 310 is in, printing plate 32 is brushed in the roll printing of printing ink on the roller 310 of will scribbling, until scribbling the roller 310 and move to the opposite side, then the environmental protection braided bag continues to move through carrying winding mechanism 2, and the tensioning branched chain 22 through the right side turns over you to air-dry mechanism 4 can weather the printing ink on the environmental protection braided bag, prints it through printing mechanism 3 again after the environmental protection braided bag upset, then weathers through air-dry mechanism 4, and the collection of final coiling.

The lifting branched chain 36 comprises a connecting rod 361, a fixing pin 362, a rotating block 363, a lifting motor 364, a fixing plate 365, a through hole 366, a telescopic rod 367, a limiting ring 368, a fixing rod 369 and a limiting spring 360, wherein the middle part of the upper end surface of the lifting seat 34 is fixedly provided with a mounting seat, the lower end of the connecting rod 361 is rotatably connected with the mounting seat through a pin shaft, the fixing plate 365 is arranged above the lifting seat 34, the through hole 366 which penetrates through the upper part and the lower part is arranged in the middle of the fixing plate 365, the lifting motor 364 is fixedly arranged on the upper end surface of the fixing plate 365 through a motor seat, the rotating block 363 is fixedly sleeved at the output end of the lifting motor 364, the fixing pin 362 is fixedly welded at the edge of the end surface of the rotating block 363, the upper end of the connecting rod 361 penetrates through the through hole 366 to be, a limiting ring 368 is slidably sleeved on the telescopic rod 367, fixing rods 369 are uniformly fixed on the upper end surface of the limiting ring 368 in the circumferential direction, the upper ends of the fixing rods 369 are welded on the lower end surface of the fixing plate 365, a limiting spring 360 is sleeved on the telescopic rod 367, and two ends of the limiting spring 360 are fixedly connected to the lifting seat 34 and the limiting ring 368 respectively; during operation, start elevator motor 364, elevator motor 364 passes through the output and drives turning block 363, make the fixed pin 362 on the turning block 363 rotate in step, and the cover that rotates on the fixed pin 362 is equipped with connecting rod 361, thereby make connecting rod 361 also along with the fixed pin 362 and then upwards move when shifting up, therefore connecting rod 361 drives lift seat 34 and shifts up, meanwhile telescopic link 367 also shifts up and contracts along with lift seat 34, simultaneously under the effect of spacing ring 368 and dead lever 369, make spacing spring 360 begin to shrink, consequently, lift seat 34 sets up telescopic link 367 all around, ensure the removal that lift seat 34 can be steady when reciprocating, make printing plate 32 steady movement, avoid printing to go wrong.

The driving branched chains 39 comprise a linkage gear 391, a transmission chain 392 and a driving motor 393, the linkage gear 391 is fixedly sleeved on the rotating rod 38, the two linkage branched chains are connected through the transmission chain 392, one end of one rotating rod 38 is connected with the output end of the driving motor 393 through a coupler, and the driving motor 393 is fixedly installed in the installation plate 1 through a motor base; during specific work, the driving motor 393 is started, the driving motor 393 drives the linkage gear 391 on one rotating rod 38, and the two linkage gears 391 are connected through the transmission chain 392, so that the two rotating rods 38 rotate synchronously, and the moving block 311 drives the painting roller 310 to move in the moving groove 37.

The mounting block 33 is internally provided with a mounting groove, a heating plate 33a is mounted in the mounting groove, the heating plate 33a is mounted in the mounting block 33, heat generated by the heating plate 33a is transferred to the printing plate 32 through the mounting block 33, so that the printing plate 32 is provided with a certain temperature, ink on the printing plate 32 is prevented from being solidified, and the ink is solidified in a pattern groove on the printing plate 32, so that the printing is unclear.

The coating roller 310 is a hollow roller, ink is filled in the hollow interior of the coating roller 310, a sponge ring 310b is sleeved on the outer surface of the coating roller 310, liquid outlet holes 310c are uniformly formed in the coating roller 310 along the circumferential direction of the surface of the coating roller 310, and the liquid outlet holes 310c are communicated with the interior of the coating roller 310; the applying roller 310 is provided with a hollow roller to facilitate putting ink into the interior of the applying roller 310 so that the applying roller 310 can store a certain amount of ink, and then the ink flows onto the sponge ring 310b through the liquid outlet hole 310c to immerse the sponge ring 310b with the ink, and when the moving block 311 moves the applying roller 310, the applying roller 310 contacts the printing plate 32 through the sponge ring 310b to transfer the ink on the sponge ring 310b to the printing plate 32.

The air drying mechanism 4 comprises an air box 41, an air blower 42 and an air exhaust hole 43, the right side of the tensioning branched chain 22 on the right side of the mounting plate 1 is provided with the air box 41, the left side of the tensioning branched chain 22 on the left lower side of the mounting plate 1 is provided with the air box 41, the air box 41 is of a hollow shell structure, the end face, facing the tensioning branched chain 22, of the air box 41 is provided with an arc-shaped face, the air exhaust hole 43 is uniformly formed in the arc-shaped face, and the end face, far away from the tensioning branched chain 22, of the air box; during specific work, the air blower 42 is started, external air is gathered to the air box 41 through the air blower 42, and then the air exhaust hole 43 of the arc-shaped face of the air box 41 blows the environment-friendly woven bag, so that the printing ink on the environment-friendly woven bag is dried.

The winding motor 25, the driving motor 393 and the lifting motor 364 are all stepping motors, so that the lifting branched chain 36, the driving branched chain 39 and the conveying winding mechanism 2 are installed to run at a certain frequency, good matching among the mechanisms is ensured, and the printing of the environment-friendly woven bag is realized.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.