CN111636245B

CN111636245B - Spraying device for production of household paper

Info

Publication number: CN111636245B
Application number: CN202010594737.6A
Authority: CN
Inventors: 雷治
Original assignee: Hubei Sincere Paper Co ltd
Current assignee: Hubei Sincere Paper Co ltd
Priority date: 2020-06-28
Filing date: 2020-06-28
Publication date: 2022-05-10
Anticipated expiration: 2040-06-28
Also published as: CN111636245A

Abstract

The invention relates to the technical field of household paper production equipment, and discloses a spraying device used in household paper production, which comprises: the device comprises a main air inlet pipe for providing atomizing air flow, a main medicine inlet pipe for conveying a medicine, an atomizing nozzle for atomizing the medicine and forming liquid drops and a mounting bracket, wherein the main air inlet pipe and the main medicine inlet pipe are fixed on the mounting bracket, an adjusting mounting seat capable of horizontally sliding is arranged on the mounting bracket, and the atomizing nozzle is mounted on the adjusting mounting seat; the invention utilizes the atomizing nozzle to blow the medicament into the spray of the small fog drops to spray the medicament on the base paper conveyed between the wrinkling scraper and the winding part, realizes the function of improving the flexibility and smoothness of the paper product, has the beneficial effects of simple operation, uniform spraying and good spraying effect, and can realize the beneficial effects of adjusting the spraying thickness and the spraying amount of the medicament on the unit area of the paper towel to meet different requirements by adjusting the distance of the atomizing nozzle.

Description

Spraying device for production of household paper

Technical Field

The invention relates to the technical field of household paper production equipment, in particular to a spraying device used in household paper production.

Background

With the increasing economic level, people pay more and more attention to the quality of life, and the quality requirements of household paper used as direct consumer goods, such as facial tissue, toilet paper and the like, are gradually improved; particularly, the facial tissue can be in direct contact with sensitive skin of the mouth, nose, eyes and other parts of a person in the using process, and the requirements on the softness and smoothness of the facial tissue are particularly important; the development and production of the novel soft and smooth facial tissue can improve the quality and the added value of the facial tissue and meet the consumption requirements of people at different levels.

The paper machine is one of the core equipments for the production of the existing paper towel, and the equipment comprises two stations at the upstream and downstream: the paper is transferred from the wrinkling scraper to the winding part through a plurality of rollers in the processing process of the base paper, and is wound into a cylinder in the winding part, so that the finished paper towel is formed after subsequent processing such as rewinding, cutting and the like is conveniently carried out; the finished tissue produced by the method has the problems of poor hand feeling and dryness, and the use comfort is lower; in order to increase the softness and smoothness of paper and solve the problems of poor hand feeling and dryness, some bactericides, creams and other medicaments are usually added in the production process to improve the performance of the paper.

The utility model with the publication number of CN209292782U discloses a device for adding cream or liquid to household paper, wherein the cream or liquid is applied to a first anilox roller through a liquid adding part, the first anilox roller is in rolling contact with a first rubber roller, the cream or liquid on the first anilox roller is transferred to the first rubber roller, and when the paper is conveyed between the first rubber roller and a second rubber roller, the cream or liquid is coated on the paper; according to the scheme, the concave holes uniformly distributed on the surface of the first anilox roller are used for accommodating the cream or the liquid and coating the cream or the liquid on the first rubber roller, and finally the cream or the liquid is transferred to a paper product through the rubber roller, so that the following defects exist: 1. the thickness and the coating amount of the cream or liquid coating cannot be controlled and adjusted in the coating process to meet different requirements; 2. for a kind of cream or liquid that moisture content is higher, viscidity is little, mobility is great, be difficult for being acceptd by the shrinkage pool on first reticulation roller surface, can drip rapidly under the action of gravity, cause first rubber roll can't obtain cream or liquid, cause the paper article to coat unevenly or can't coat.

Disclosure of Invention

The invention aims to provide a spraying device for producing household paper, which has the function of improving the flexibility and smoothness of paper products in the production process of the household paper, has the beneficial effects of simple operation, uniform spraying and good spraying effect, and can adjust the spraying thickness and the spraying amount of a medicament on a unit area of a paper towel by adjusting the distance between atomizing nozzles so as to meet different requirements.

The technical purpose of the invention is realized by the following technical scheme:

a spraying device used in the production of household paper comprises a main medicine inlet pipe used for providing atomizing airflow and used for conveying a medicine, an atomizing nozzle used for atomizing the medicine and forming liquid drops and a mounting bracket, wherein the main medicine inlet pipe and the main medicine inlet pipe are fixed on the mounting bracket, an adjusting mounting seat capable of horizontally sliding is arranged on the mounting bracket, and the atomizing nozzle is mounted on the adjusting mounting seat; the atomizing nozzle comprises a body, be equipped with the interface of admitting air and advance the medicine interface on the body, the interface of admitting air is connected with total intake-tube through first branch pipe, it advances the pencil through second branch pipe and be connected to advance the medicine interface, still be equipped with gas jet and liquid jet on the body, gas jet and the interface intercommunication of admitting air, liquid jet and the interface intercommunication of advancing medicine.

The medicine injection device is characterized in that an air flow channel and a liquid flow channel are arranged in the body, the air flow channel and the liquid flow channel are mutually isolated, two ends of the air flow channel are respectively communicated with the air inlet interface and the gas injection port, and two ends of the liquid flow channel are respectively communicated with the medicine inlet interface and the liquid injection port.

The atomizing nozzle is characterized in that an atomizing head is arranged on the atomizing nozzle body, the atomizing head is detachably connected with the atomizing nozzle body, the gas jet orifice and the liquid jet orifice are both arranged on the atomizing head, the liquid jet orifice is located in the middle of the atomizing head, the gas jet orifices are two or more and distributed at the circumferential positions of the liquid jet orifices, and the spraying direction of the gas jet orifices and the spraying direction of the liquid jet orifices form an included angle smaller than 90 degrees.

The mounting bracket comprises two transverse beams arranged in parallel up and down and two vertical beams arranged in parallel left and right, and the end parts of the transverse beams and the vertical beams are fixedly connected end to form a rectangular frame; the adjusting and installing seat is fixed on the cross beam above the installing support, a seat board connected with the ground is arranged at the bottom of the cross beam below the installing support, and the seat board is fixed on the cross beam below the installing support.

The adjustable mounting seat comprises a plurality of bases which can horizontally slide along a cross beam above the mounting support, the bases are arranged at equal intervals, each base is fixedly provided with a nozzle mounting seat, the atomizing nozzles are fixed on the nozzle mounting seats, a connecting clamping seat is arranged below each nozzle mounting seat, the upper ends of the connecting clamping seats are fixed on the bases, and the lower ends of the connecting clamping seats are connected with the adjustable cross beam.

The two ends of the adjusting beam are respectively in threaded connection with the first screw rod and the second screw rod, the first screw rod and the second screw rod are respectively fixed on two vertical beams which are arranged in parallel left and right of the mounting support through bearing seats, the bottoms of the first screw rod and the second screw rod are respectively and fixedly connected with a transmission gear, the transmission gear at the bottoms of the first screw rod and the second screw rod is connected through a transmission chain, an adjusting hand wheel is further arranged below the first screw rod, and the bottom end of the first screw rod is fixed by the adjusting hand wheel.

The connecting clamping seat is provided with a sliding groove in the vertical direction, a sliding block is arranged in the sliding groove and is in sliding connection with the sliding groove, a spring is arranged above the sliding block, one end of the spring is fixed at the upper end of the sliding block, and the other end of the spring is fixed at the upper end of the sliding groove.

The adjusting beam is provided with a long sliding groove extending along the horizontal direction, a first horizontal sliding seat is arranged in the long sliding groove and is in sliding connection with the long sliding groove, and the lower end of the sliding block is fixed on the first horizontal sliding seat; the beam below the mounting bracket is provided with a plurality of second horizontal sliding seats, the adjusting beam is connected with the beam below the mounting bracket through a plurality of adjusting connecting rods, and the adjusting connecting rods are respectively hinged with the first horizontal sliding seats and the second horizontal sliding seats.

The adjusting connecting rods comprise a plurality of connecting rods which are connected end to end, the connecting rods are sequentially hinged together, and a V-shaped structure is formed between every two adjacent connecting rods.

The spraying device further comprises an air source connected with the main air inlet pipe and a dosing device connected with the main medicine inlet pipe, the air source is used for providing stable compressed air, and the dosing device is used for providing spraying agents.

The invention has the beneficial effects that:

1. the invention utilizes the atomizing nozzle to blow the medicament into the spray of the small fog drops to spray the medicament on the base paper conveyed between the wrinkling scraper and the winding part, realizes the functions of improving the flexibility and smoothness of the paper product, and has the beneficial effects of simple operation, uniform spraying and good spraying effect.

2. The invention adjusts the spraying thickness and the spraying amount of the medicament on the unit area of the paper towel by adjusting the distance between the atomizing nozzles: when the distance between the atomizing nozzles is reduced, the overlapping parts of the spraying areas of the adjacent atomizing nozzles are increased, so that the layer sprayed by the paper towels in unit area is thickened; after the interval grow between the atomizing nozzle, the regional overlap portion that sprays of adjacent atomizing nozzle reduces for the layer that unit area's paper handkerchief sprayed thins, thereby realizes adjusting the beneficial effect of the spraying thickness and the spraying volume of medicament in order to satisfy different demands on the unit area of paper handkerchief through the interval of adjusting the atomizing nozzle.

3. The invention can ensure that the height of the spray nozzle can not change while adjusting the distance between the atomizing spray nozzles, and a common connecting rod transverse adjusting mechanism can move up and down when the transverse distance is adjusted, so that the spraying position is changed, the spraying requirement can not be met, and the effect of overlapping and thickening of spraying can not be realized.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic diagram of the overall structure of a spraying device used in the production of household paper.

Fig. 2 is a schematic rear view of the spraying device of fig. 1.

Fig. 3 is a schematic perspective view of an atomizing nozzle in the present invention.

Fig. 4 is a cross-sectional view of an atomizing nozzle in accordance with the present invention.

FIG. 5 is a schematic view of the atomizing nozzle of the present invention after removal.

In the figure, 1, a total air inlet pipe; 2. a total medicine inlet pipe; 3. an atomizing nozzle; 31. an air inlet interface; 32. a medicine inlet interface; 33. a gas injection port; 34. a liquid ejection port; 35. a body; 351. an air flow channel; 352. a flow channel; 36. an atomizing head; 4. mounting a bracket; 41. a cross beam; 411. a second horizontal sliding seat; 42. erecting a beam; 43. adjusting the cross beam; 431. a slider; 432. a spring; 433. a first horizontal sliding seat; 434. a transmission gear; 435. a first screw rod; 436. a second screw; 437. a bearing seat; 438. a drive chain; 439. adjusting a hand wheel; 44. adjusting the connecting rod; 45. a seat plate; 5. a first branch pipe; 6. a second branch pipe; 7. adjusting the mounting seat; 71. a base; 72. a nozzle mount; 73. connecting the card holder; 731. a chute; 8. a gas source; 9. a medicine adding device.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to specific embodiments. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.

A spraying device used in the production of household paper comprises a main air inlet pipe 1 used for providing atomizing air flow, a main medicine inlet pipe 2 used for conveying a medicine, an atomizing nozzle 3 used for atomizing the medicine and forming liquid drops and a mounting bracket 4, wherein the main air inlet pipe 1 and the main medicine inlet pipe 2 are fixed on the mounting bracket 4, the mounting bracket 4 is arranged at a position between a wrinkling scraper and a coiling part of a paper machine and can be fixed on the ground or fixed on the paper machine, during production, base paper passes through the spraying device from the upper part, and the atomizing nozzle 3 sprays upwards; the mounting bracket 4 is provided with an adjusting mounting seat 7 capable of sliding horizontally, and the atomizing nozzle 3 is mounted on the adjusting mounting seat 7; when the adjusting mounting seat 7 slides horizontally, the horizontal position of the atomizing nozzle 3 can be changed, so that the spraying position of the atomizing nozzle 3 can be adjusted; the atomizing nozzle 3 comprises a body 35, wherein an air inlet interface 31 and a medicine inlet interface 32 are arranged on the body 35, the air inlet interface 31 is connected with the main air inlet pipe 1 through a first branch pipe 5, the medicine inlet interface 32 is connected with the main medicine inlet pipe 2 through a second branch pipe 6, a gas jet orifice 33 and a liquid jet orifice 34 are further arranged on the body 35, the gas jet orifice 33 is communicated with the air inlet interface 31, and the liquid jet orifice 34 is communicated with the medicine inlet interface 32; compressed air in the main air inlet pipe 1 enters from an air inlet interface 31 and is sprayed out from an air spraying opening 33; the liquid medicament in the main medicament inlet pipe 2 enters from the medicament inlet interface 32 and is sprayed out from the liquid spray opening 34; the gas is sprayed from the gas spraying opening 33 and directly sprayed to the liquid sprayed from the liquid spraying opening 34, the liquid is blown away by the gas to form small fog drops, the small fog drops are sprayed on the paper towel to form a spraying layer, compared with the direct spraying of the liquid, the small fog drops can not cause great form change of the paper towel, and the good appearance quality of the paper towel is favorably ensured.

Specifically, the body 35 is provided with an air flow channel 351 and a liquid flow channel 352 inside, the air flow channel 351 and the liquid flow channel 352 are isolated from each other, two ends of the air flow channel 351 are respectively communicated with the air inlet interface 31 and the gas injection port 33, and two ends of the liquid flow channel 352 are respectively communicated with the chemical inlet interface 32 and the liquid injection port 34; the gas flow path 351 and the liquid flow path 352 are isolated from each other, so that the gas and the liquid are respectively ejected from the gas ejection port 33 and the liquid ejection port 34, and the liquid is fully blown by the gas, and the formed mist particles are smaller.

Further, be equipped with atomizing head 36 on atomizing nozzle 3's the body 35, in order to make things convenient for atomizing nozzle 3's dismouting and washing, atomizing head 36 with body 35 is for dismantling the connection, gas jet 33 and liquid jet 34 all set up on atomizing head 36, liquid jet 34 is located atomizing head 36's middle part, gas jet 33 is two or more, distributes in the circumferential position of liquid jet 34, the jet direction of gas jet 33 and liquid jet 34's jet direction are less than 90 contained angles, and two or more gas jet 33 can make atomizing nozzle 3 spout the spraying of great area, and the coverage area of spraying is relatively stable.

Further, the mounting bracket 4 comprises two cross beams 41 arranged in parallel up and down and two vertical beams 42 arranged in parallel left and right, and the ends of the cross beams 41 and the vertical beams 42 are sequentially and fixedly connected end to form a rectangular frame; the adjusting and installing seat 7 is fixed on the cross beam 41 above the installing support 4, a seat plate 45 connected with the ground is arranged at the bottom of the cross beam 41 below the installing support 4, and the seat plate 45 is fixed on the cross beam 41 below the installing support 4.

Specifically, the adjusting mounting seat 7 includes a plurality of bases 71 capable of horizontally sliding along the beam 41 above the mounting bracket 4, the plurality of bases 71 are arranged at equal intervals, a nozzle mounting seat 72 is fixedly arranged on each base 71, and the atomizing nozzle 3 is fixed on the nozzle mounting seat 72; the distance between the atomizing nozzles 3 is controlled by the horizontal sliding of the base 71 along the cross beam 41; a connecting clamping seat 73 is arranged below the nozzle mounting seat 72, the upper end of the connecting clamping seat 73 is fixed on the base 71, and the lower end of the connecting clamping seat 73 is connected with the adjusting beam 43; a sliding groove 731 in the vertical direction is arranged on the connecting clamping seat 73, a sliding block 431 is arranged in the sliding groove 731, the sliding block 431 is in sliding connection with the sliding groove 731, a spring 432 is arranged above the sliding block 431, one end of the spring 432 is fixed at the upper end of the sliding block 431, and the other end of the spring 432 is fixed at the upper end of the sliding groove 731; when the adjusting beam 43 moves up and down, the sliding block 431 can move up and down along the sliding groove 731 on the connecting clamping seat 73, so that the nozzle mounting seat 72 fixed on the base 71 and the atomizing nozzle 3 cannot move up and down, the spring 432 is used for controlling the sliding speed of the sliding block 431 and ensuring the sliding stability of the sliding block 431, and in addition, the sliding block 431 can be limited to continuously slide when the spring 432 is compressed to the maximum limit.

Furthermore, a long sliding groove extending in the horizontal direction is formed in the adjusting beam 43, a first horizontal sliding base 433 is arranged in the long sliding groove, the first horizontal sliding base 433 is connected with the long sliding groove in a sliding manner, and the lower end of the sliding block 431 is fixed on the first horizontal sliding base 433; the beam 41 below the mounting bracket 4 is provided with a plurality of second horizontal sliding seats 411, the adjusting beam 43 is connected with the beam 41 below the mounting bracket 4 through a plurality of adjusting connecting rods 44, and the adjusting connecting rods 44 are respectively hinged with the first horizontal sliding seats 433 and the second horizontal sliding seats 411.

Further, the adjusting connecting rod 44 includes a plurality of connecting rods 441 connected end to end, the plurality of connecting rods 441 are sequentially hinged together, and a V-shaped structure is formed between two adjacent connecting rods 441.

When the distance of the V-shaped opening formed between two adjacent connecting rods 441 becomes larger or smaller, the first horizontal sliding base 433 and the second horizontal sliding base 411 which are hinged with the adjusting connecting rod 44 move horizontally, the sliding block 431 fixedly connected with the first horizontal sliding base 433 drives the connecting clamping base 73 to move horizontally, so that the connecting clamping base 73 drives the base 71 to move horizontally along the cross beam 41, and the distance between two adjacent bases 71 is changed into the larger or smaller distance of the V-shaped opening formed between two adjacent connecting rods 441; when the distance between the V-shaped openings formed between two adjacent connecting rods 441 is increased or decreased, the height of the adjusting connecting rod 44 is decreased or increased, and the adjusting connecting rod 44 is connected with the connecting clamping seat 73 in a vertically sliding manner through the slider 431 in sequence, so that the connecting clamping seat 73 only slides left and right along with the slider 431, and does not move up and down, and therefore the base 71 connected with the connecting clamping seat 73 only slides left and right along with the connecting clamping seat 73, and the nozzle mounting seat 72 mounted on the base 71 drives the atomizing nozzle 3 to slide left and right without moving up and down; therefore, the distance between the adjacent bases 71 is changed along with the change of the V-shaped opening distance formed between the two adjacent connecting rods 441, so that the adjustment of the distance between the atomizing nozzles 3 can be realized, and meanwhile, the height of the atomizing nozzles 3 is not influenced after the distance between the atomizing nozzles 3 is changed, when the distance between the atomizing nozzles 3 is changed, the overlapped parts of the spraying areas of the adjacent atomizing nozzles 3 are increased, so that the layer sprayed by the unit area of the paper towel is thickened, and similarly, when the distance between the atomizing nozzles 3 is changed, the overlapped parts of the spraying areas of the adjacent atomizing nozzles 3 are reduced, so that the layer sprayed by the unit area of the paper towel is thinned, and the beneficial effects of adjusting the spraying thickness and the spraying amount of the medicine on the unit area of the paper towel to meet different requirements by adjusting the distance between the atomizing nozzles 3 are realized.

Furthermore, two ends of the adjusting beam 43 are respectively in threaded connection with a first screw 435 and a second screw 436, the first screw 435 and the second screw 436 are respectively fixed on two vertical beams 42 arranged in parallel left and right of the mounting bracket 4 through a bearing seat 437, the bottoms of the first screw 435 and the second screw 436 are respectively and fixedly connected with a transmission gear 434, the transmission gear 434 at the bottoms of the first screw 435 and the second screw 436 is connected through a transmission chain 438, an adjusting hand wheel 439 is further arranged below the first screw 435, and the adjusting hand wheel 439 is fixed at the bottom end of the first screw 435; the adjustment hand wheel 439 can be manually rotated to rotate the first screw 435 and the second screw 436, so that the adjustment beam 43 in threaded connection with the first screw 435 and the second screw 436 moves up and down, and the distance between the two adjacent connecting rods 441 forming the V-shaped opening is increased or decreased.

Further, the spraying device further comprises an air source 8 connected with the main air inlet pipe 1 and a dosing device 9 connected with the main medicine inlet pipe 2, wherein the air source 8 is used for providing stable compressed air, and the dosing device 9 is used for providing spraying agents.

Claims

1. The spraying device for the production of the household paper is characterized by comprising a main air inlet pipe (1) for providing atomizing air flow, a main medicine inlet pipe (2) for conveying a medicine, an atomizing nozzle (3) for atomizing the medicine and forming liquid drops and a mounting bracket (4), wherein the main air inlet pipe (1) and the main medicine inlet pipe (2) are fixed on the mounting bracket (4), an adjusting mounting seat (7) which horizontally slides is arranged on the mounting bracket (4), and the atomizing nozzle (3) is mounted on the adjusting mounting seat (7); the atomizing nozzle (3) comprises a body (35), wherein an air inlet connector (31) and a medicine inlet connector (32) are arranged on the body (35), the air inlet connector (31) is connected with a main air inlet pipe (1) through a first branch pipe (5), the medicine inlet connector (32) is connected with a main medicine inlet pipe (2) through a second branch pipe (6), a gas jet orifice (33) and a liquid jet orifice (34) are further arranged on the body (35), the gas jet orifice (33) is communicated with the air inlet connector (31), and the liquid jet orifice (34) is communicated with the medicine inlet connector (32);

the mounting bracket (4) comprises two cross beams (41) which are arranged in parallel up and down and two vertical beams (42) which are arranged in parallel left and right, and the end parts of the cross beams (41) and the vertical beams (42) are sequentially and fixedly connected end to form a rectangular frame; the adjusting mounting seat (7) is fixed on a cross beam (41) above the mounting bracket (4), a seat plate (45) connected with the ground is arranged at the bottom of the cross beam (41) below the mounting bracket (4), and the seat plate (45) is fixed on the cross beam (41) below the mounting bracket (4);

the adjusting and mounting seat (7) comprises a plurality of bases (71) capable of horizontally sliding along the cross beam (41) above the mounting support (4), the bases (71) are arranged at equal intervals, a nozzle mounting seat (72) is fixedly arranged on each base (71), the atomizing nozzle (3) is fixed on the nozzle mounting seat (72), a connecting clamping seat (73) is arranged below the nozzle mounting seat (72), the upper end of the connecting clamping seat (73) is fixed on the base (71), and the lower end of the connecting clamping seat (73) is connected with the adjusting cross beam (43);

the two ends of the adjusting cross beam (43) are respectively in threaded connection with a first screw rod (435) and a second screw rod (436), the first screw rod (435) and the second screw rod (436) are respectively fixed on two vertical beams (42) which are arranged in parallel left and right of the mounting bracket (4) through bearing seats (437), the bottoms of the first screw rod (435) and the second screw rod (436) are respectively and fixedly connected with transmission gears (434), the transmission gears (434) at the bottoms of the first screw rod (435) and the second screw rod (436) are connected through transmission chains (438), an adjusting hand wheel (439) is further arranged below the first screw rod (435), and the adjusting hand wheel (439) is fixed at the bottom end of the first screw rod (435);

a sliding groove (731) in the vertical direction is formed in the connecting clamping seat (73), a sliding block (431) is arranged in the sliding groove (731), the sliding block (431) is connected with the sliding groove (731) in a sliding mode, a spring (432) is arranged above the sliding block (431), one end of the spring (432) is fixed to the upper end of the sliding block, and the other end of the spring (432) is fixed to the upper end of the sliding groove (731);

the adjusting beam (43) is provided with a long sliding groove extending along the horizontal direction, a first horizontal sliding seat (433) is arranged in the long sliding groove, the first horizontal sliding seat (433) is connected with the long sliding groove in a sliding mode, and the lower end of the sliding block (431) is fixed on the first horizontal sliding seat (433); a plurality of second horizontal sliding seats (411) are arranged on the cross beam (41) below the mounting bracket (4), the adjusting cross beam (43) is connected with the cross beam (41) below the mounting bracket (4) through a plurality of adjusting connecting rods (44), and the adjusting connecting rods (44) are respectively hinged with the first horizontal sliding seats (433) and the second horizontal sliding seats (411);

the adjusting connecting rods (44) comprise a plurality of connecting rods (441) connected end to end, the connecting rods (441) are sequentially hinged together, and a V-shaped structure is formed between every two adjacent connecting rods (441).

2. A spraying device for use in the production of tissue according to claim 1, characterised in that: the gas injection device is characterized in that an air flow channel (351) and a liquid flow channel (352) are arranged inside the body (35), the air flow channel (351) and the liquid flow channel (352) are isolated from each other, two ends of the air flow channel (351) are respectively communicated with the gas inlet interface (31) and the gas injection port (33), and two ends of the liquid flow channel (352) are respectively communicated with the medicine inlet interface (32) and the liquid injection port (34).

3. A spraying device for use in the production of tissue according to claim 1, characterised in that: be equipped with atomising head (36) on body (35) of atomizing nozzle (3), atomising head (36) with body (35) can be dismantled and be connected, gas jet (33) and liquid jet (34) all set up on atomising head (36), liquid jet (34) are located the middle part of atomising head (36), gas jet (33) are two or more, distribute in the circumferential position of liquid jet (34), the injection direction of gas jet (33) and the injection direction of liquid jet (34) are less than 90 contained angle.

4. A spraying device for use in the production of tissue according to claim 1, characterised in that: the spraying device further comprises an air source (8) connected with the total air inlet pipe (1) and a dosing device (9) connected with the total medicine inlet pipe (2), the air source (8) is used for providing stable compressed air, and the dosing device (9) is used for providing spraying agents.