CN214383839U - Ribbon sizing machine capable of improving sizing degree - Google Patents

Abstract

The utility model relates to a mesh belt sizing machine for improving sizing degree, which comprises a sizing pool, wherein a position close to one side of the sizing pool inside the sizing pool is rotationally connected with a first feeding roller and a second feeding roller, a position far away from one side of the first feeding roller inside the sizing pool is rotationally connected with a first pressing roller and a second pressing roller, the sizing pool is remotely and fixedly connected with a liquid spraying pool, the liquid spraying pool is rotationally connected with a second guide roller, the liquid spraying pool is provided with a through groove, one side of the liquid spraying pool is fixedly connected with a first liquid inlet pipe, the other end of the first liquid inlet pipe is fixedly connected with a first nozzle, the first liquid inlet pipe is fixedly connected with a first water pump, the liquid spraying pool is fixedly connected with a second liquid inlet pipe, the second liquid inlet pipe is fixedly connected with a second water pump, the other end of the second liquid inlet pipe is fixedly connected with a second nozzle, the top of the liquid spraying pool is rotationally connected with a third pressing roller and a fourth pressing roller, the utility model can carry out secondary sizing on the mesh belt through the liquid spraying pool, the effect of increasing the degree of penetration of the slurry into the webbing.

Description

Ribbon sizing machine capable of improving sizing degree

Technical Field

The utility model belongs to the technical field of the technique of meshbelt processing equipment and specifically relates to a meshbelt starching machine of high sizing degree is related to.

Background

The sizing machine is a device for sizing yarns or woven belts, and can avoid the problems of fuzz and yarn breakage caused by insufficient cohesive force between fibers because hairiness is exposed on the surfaces of the yarns. The sizing machine mainly comprises a sizing tank and a drying tank, and when the woven belt passes through the sizing tank, the redundant sizing agent is pressed out through a press roller and enters the drying tank for drying.

The above related technical solutions have the following drawbacks: when the existing sizing machine is used for sizing yarns, the size can not be uniformly absorbed in the woven belt, the woven belt can not fully absorb the size, and surface plush and dust seriously influence the product quality.

SUMMERY OF THE UTILITY MODEL

Can fully absorb by the meshbelt in order to improve meshbelt through sizing machine back thick liquids, this application provides a meshbelt sizing machine who improves starching degree.

The application provides a meshbelt sizing machine for improving sizing degree adopts following technical scheme:

a mesh belt sizing machine for improving sizing degree comprises a sizing pool, wherein a first feeding roller and a second feeding roller are rotatably connected at a position close to one side of the sizing pool in the sizing pool, the first feeding roller and the second feeding roller are horizontally arranged along the width direction of the sizing pool, a first guide roller is rotatably connected at a position close to the bottom in the sizing pool, a first pressing roller and a second pressing roller are rotatably connected at a position far away from one side of the first feeding roller in the sizing pool, the first pressing roller and the second pressing roller are horizontally arranged along the width direction of the sizing pool, a liquid spraying pool is fixedly connected at one side of the sizing pool far away from the first feeding roller, a second guide roller is rotatably connected at one end close to the sizing pool at the top of the liquid spraying pool, a through groove is formed at one side of the liquid spraying pool close to the sizing pool, the through groove is communicated with the sizing pool and the liquid spraying pool, a first liquid inlet pipe is fixedly connected at one side of the liquid spraying pool, the other end of the first liquid inlet pipe is fixedly connected with a first nozzle, the first nozzle is vertically upwards arranged, the first nozzle is arranged inside the liquid spraying tank, a first water suction pump is fixedly connected onto the first liquid inlet pipe, a second liquid inlet pipe is fixedly connected onto one side of the first liquid inlet pipe and far away from the liquid spraying tank, a second water suction pump is fixedly connected onto the second liquid inlet pipe, the other end of the second liquid inlet pipe is fixedly connected with a second nozzle, the second nozzle is vertically downwards arranged, the first nozzle and the second nozzle are correspondingly arranged, the top of the liquid spraying tank is correspondingly far away from one end of a second guide roller, a third grouting roller and a fourth grouting roller are rotatably connected, the distance between the third grouting roller and the fourth grouting roller is equal to the thickness of a mesh belt to be processed, the top of the liquid spraying tank corresponds to a third servo motor fixedly connected with one end of the third grouting roller, an output shaft of the third servo motor penetrates through the top of the liquid spraying tank, and the output shaft of the third servo motor is fixedly connected to one end of the third grouting roller.

Through adopting above-mentioned scheme, when the user used, start first suction pump and second suction pump, first suction pump and second suction pump can take out the thick liquids in the hydrojet pond, by first shower nozzle and second shower nozzle blowout, spray once more to the meshbelt of accomplishing from the starching pond starching, make thick liquids permeate fully on the meshbelt, prevent to permeate uneven phenomenon and produce, improve the quality of product.

Preferably, the first guide roll comprises fixing portions rotatably connected to two sides inside the sizing pond, the longitudinal sectional areas of two fixing portions are gradually reduced from one ends far away from each other to one ends close to each other, and the two fixing portions are fixedly connected with a loading roll.

Through adopting above-mentioned scheme, when the user used, first guide roll can make the meshbelt butt on carrying the thing roller, prevents that in data send process, the position skew takes place for the meshbelt, finally influences starching effect and later stage rolling effect.

Preferably, the top of the sizing pool is provided with a cambered surface at a position close to one side of the first feeding roller.

Through adopting above-mentioned scheme, when the user used, the cambered surface can make the meshbelt get into the sizing pond more easily, reduces the friction in meshbelt and sizing pond, is difficult for being damaged when making the meshbelt get into more, effectively reduces the meshbelt and produces the burr to improve the quality of product.

Preferably, the first brush board of the inside first pressure sizing roller and the second pressure sizing roller that correspond of sizing pond are close to first guide roll one side fixedly connected with, and first brush board level sets up, and the inside first brush board bottom fixedly connected with second brush board that corresponds of sizing pond, second brush board vertical setting.

Through adopting above-mentioned scheme, when the user used, first brush board and second brush board can make the meshbelt before getting into between first mud jacking roller and the second mud jacking roller, carry out tentatively striking off the thick liquids that takes out on the meshbelt, can fully extrude thick liquids when making the meshbelt get into in first mud jacking roller and the second mud jacking roller.

Preferably, the side of the first brush board close to the side of the second brush board close to the first brush board is fixedly connected with bristles.

By adopting the scheme, when the user uses the brush, the brush hair can prevent the woven belt from being damaged when the first brush plate and the second brush plate are used for removing redundant slurry.

Preferably, the hydrojet pond is far away from sizing pond one side fixedly connected with stoving pond, the inside rotation of stoving pond is connected with the third guide roll, the third guide roll level sets up, the third guide roll sets up along the width direction in sizing pond, fixedly connected with air-blower on the stoving pond, air-blower fixedly connected with main outlet duct, the vice outlet duct of fixedly connected with multiunit on the main outlet duct, spray pond one end rotation is kept away from at stoving pond top is connected with the fourth guide roll, the fourth guide roll sets up along the width direction level in sizing pond.

Through adopting above-mentioned scheme, when the user used, the user can wind the meshbelt around third guide roll and fourth guide roll, starts the air-blower afterwards, and the air-blower makes the air blow off by vice outlet duct, finally makes the meshbelt dry.

Preferably, every group's vice outlet duct all includes first branch pipe and second branch pipe, a plurality of first air outlet mouths of fixedly connected with on every first branch pipe, a plurality of air outlet mouths set up along the length direction array of first branch pipe, every second branch pipe corresponds every first air outlet mouth equal fixedly connected with second air outlet mouth of equal fixedly connected with of position department, every first air outlet mouth all sets up with second air outlet mouth relatively, treat that the processing meshbelt can pass position department between every first air outlet mouth and the second air outlet mouth.

Through adopting above-mentioned scheme, when the user used, a plurality of first air outlet nozzle and second air outlet nozzle can make the meshbelt pass through between first air outlet nozzle and the second air outlet nozzle, and the air-out is more even, makes the thick liquid on the meshbelt change the drying.

Preferably, the second liquid inlet pipe is fixedly connected with a valve at a position close to the second nozzle, and the second nozzle is fixedly connected to the bottom of the valve.

Through adopting above-mentioned scheme, when the user used, can adjust the spraying scope and the liquid spray volume of second shower nozzle through the valve to can make the user adjust the volume of spraying according to the width of different meshbelts.

To sum up, the utility model discloses following beneficial effect has:

1. a user can carry out secondary sizing on the woven belt through the liquid spraying tank, so that the degree of slurry penetrating into the woven belt is improved, and the product quality is improved;

2. the user can carry out fast drying to the meshbelt through the stoving pond.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a cross-sectional view of a first brush plate and a second brush plate in a protruding feed well according to an embodiment of the present application;

FIG. 3 is a schematic view of a protruding fountain of an embodiment of the present application;

fig. 4 is a sectional view of the internal structure of the protruding drying pool in the embodiment of the present application.

In the figure, 1, a sizing pond; 11. a cambered surface; 12. a first feeding roller; 121. a second feeding roller; 122. a first servo motor; 13. a first guide roller; 131. a fixed part; 132. a carrying roller; 14. a first squeeze roller; 141. a second squeeze roller; 142. a second servo motor; 15. a first brush plate; 151. a second brush plate; 152. brushing; 2. a liquid spraying pool; 21. a through groove; 22. a second guide roller; 23. a first liquid inlet pipe; 231. a first nozzle; 232. a first water pump; 24. a second liquid inlet pipe; 241. a second nozzle; 242. a valve; 243. a second water pump; 244. a third squeeze roll; 2441. a third servo motor; 245. a fourth squeeze roller; 3. a drying pool; 31. a third guide roller; 32. a blower; 33. a main air outlet pipe; 34. a secondary air outlet pipe; 341. a first branch pipe; 3411. a first air outlet nozzle; 342. a second branch pipe; 3421. a second air outlet nozzle; 35. and a fourth guide roller.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses improve meshbelt sizing machine of starching degree, as shown in fig. 1 and fig. 2, including sizing pool 1, cambered surface 11 has been seted up at sizing pool 1 top, and sizing pool 1 is inside to be close to cambered surface 11 one side position department and to rotate and be connected with first material loading roller 12 and second material loading roller 121, and first material loading roller 12 and second material loading roller 121 set up along the width direction of sizing pool 1, and the distance between first material loading roller 12 and the second material loading roller 121 equals the thickness of waiting to process the meshbelt. Go up the thick liquid pond 1 outside and correspond first material loading roller 12 one end position department fixedly connected with first servo motor 122, the output shaft of first servo motor 122 passes the setting of sizing pond 1, the output shaft fixed connection of first servo motor 122 in first material loading roller 12 one end. Go up the thick liquid pond 1 inside and correspond near bottom position department and rotate and be connected with first guide roll 13, first guide roll 13 sets up along the width direction in last thick liquid pond 1. The first guiding roller 13 includes fixing portions 131 rotatably connected to two sides inside the sizing tank 1, the longitudinal sectional areas of the two fixing portions 131 gradually decrease from one end away from each other to one end close to each other, and a loading roller 132 is fixedly connected between the two fixing portions 131. The first squeezing roller 14 and the second squeezing roller 141 are rotatably connected to the position of one side of the inner part of the sizing pool 1, which is far away from the cambered surface 11, and the distance between the first squeezing roller 14 and the second squeezing roller 141 is equal to the thickness of the woven belt to be processed. The outer side of the sizing pool 1 corresponds to one end of the first sizing roller 14 and is fixedly connected with a second servo motor 142, an output shaft of the second servo motor 142 penetrates through the sizing pool 1, and an output shaft of the second servo motor 142 is fixedly connected to one end of the first sizing roller 14. Go up the inside first mud jacking roller 14 and the second mud jacking roller 141 that corresponds of thick liquid pond 1 and be close to the first brush board 15 of first guide roll 13 one side fixedly connected with, first brush board 15 level sets up, go up the inside first brush board 15 bottom fixedly connected with second brush board 151 that corresponds of thick liquid pond 1, the vertical setting of second brush board 151, the equal fixedly connected with brush hair 152 in one side that first brush board 15 and second brush board 151 are close to each other, brush hair 152 can with the meshbelt butt. When the user uses, add thick liquids to the sizing pond 1, will wait to process the meshbelt and pass between first material loading roller 12 and second material loading roller 121, later on carry out the switching-over through first guide roll 13 bottom, pass first mud jacking roller 14 and second mud jacking roller 141 in the middle of at last, start first servo motor 122 and second servo motor 142, first servo motor 122 drives first material loading roller 12 and rotates, and first material loading roller 12 drives and waits to process the meshbelt material loading. The woven belt to be processed passes through the slurry in the sizing pool 1, the direction of the woven belt is finally changed through the first guide roller 13, the brush bristles 152 can clean the redundant slurry on the woven belt passing through the slurry between the first brush plate 15 and the second brush plate 151, the slurry splashed by the woven belt passing through the first squeezing roller 14 and the second squeezing roller 141 is reduced, the woven belt passing through the slurry is sent out through the first squeezing roller 14 and the second squeezing roller 141, and the slurry on the woven belt is compacted.

As shown in fig. 1 and fig. 3, a spraying tank 2 is fixedly connected to one side of the sizing tank 1 far from the inclined plane, a second guide roller 22 is rotatably connected to one end of the top of the spraying tank 2 close to the sizing tank 1, and the second guide roller 22 is arranged along the width direction of the sizing tank 1. The spraying pool 2 is close to one side of the sizing pool 1 and is provided with a through groove 21, and the through groove 21 is communicated with the sizing pool 1 and the spraying pool 2. The first feed liquor pipe 23 of 2 one sides fixed connection in hydrojet pond, the first shower nozzle 231 of 23 other end fixed connection in first feed liquor pipe, the vertical upwards setting of first shower nozzle 231, first shower nozzle 231 sets up inside 2 in hydrojet ponds, the first suction pump 232 of fixedly connected with on the first feed liquor pipe 23. One side of the spray pool 2, which is far away from the first liquid inlet pipe 23, is fixedly connected with a second liquid inlet pipe 24, and the second liquid inlet pipe 24 is fixedly connected with a second water pump 243. The other end of the second liquid inlet pipe 24 is fixedly connected with a valve 242, one end of the valve 242 far away from the second liquid inlet pipe 24 is fixedly connected with a second spray head 241, the second spray head 241 is vertically arranged downwards, the first spray head 231 and the second spray head 241 are correspondingly arranged, and the woven belt to be processed can penetrate between the first spray head 231 and the second spray head 241. The top of the liquid spraying pool 2 is rotatably connected with a third squeezing roller 244 and a fourth squeezing roller 245 at one end which is correspondingly far away from the second guide roller 22, and the distance between the third squeezing roller 244 and the fourth squeezing roller 245 is equal to the thickness of the woven belt to be processed. The top of the liquid spraying pool 2 is fixedly connected with a third servo motor 2441 corresponding to one end of the third squeezing roller 244, an output shaft of the third servo motor 2441 penetrates through the top of the liquid spraying pool 2, and an output shaft of the third servo motor 2441 is fixedly connected to one end of the third squeezing roller 244. When the user uses the spray gun, the third servo motor 2441 is started, the first water pump 232 and the second water pump 243 are started, and the first water pump 232 and the second water pump 243 pump out the slurry in the spray pool 2 and finally spray the slurry through the first spray head 231 and the second spray head 241. After the woven tape is sent out by the first and second squeezing rollers 14 and 141, the woven tape is transferred by the second guide roller 22, the woven tape passes between the first spray head 231 and the second spray head 241, the first spray head 231 and the second spray head 241 spray the slurry to the two sides of the woven tape, the coverage of the slurry is further improved, and the woven tape is finally squeezed and transferred by the third and fourth squeezing rollers 244 and 245.

As shown in fig. 1 and 4, a drying pool 3 is fixedly connected to one side of the spraying pool 2, which is far away from the sizing pool 1, a third guide roller 31 is rotatably connected to the inside of the drying pool 3, the third guide roller 31 is horizontally arranged, and the third guide roller 31 is arranged along the width direction of the sizing pool 1. Fixedly connected with air-blower 32 on the stoving pond 3, air-blower 32 fixed connection main outlet duct 33, fixedly connected with multiunit auxiliary outlet duct 34 on the main outlet duct 33, every group auxiliary outlet duct 34 all includes first branch pipe 341 and second branch pipe 342, a plurality of first gas outlet nozzle 3411 of fixedly connected with on every first branch pipe 341, a plurality of gas outlet nozzles set up along the length direction array of first branch pipe 341, every second branch pipe 342 corresponds every first gas outlet nozzle 3411 equal fixedly connected with second gas outlet nozzle 3421 of position department, every first gas outlet nozzle 3411 all sets up with second gas outlet nozzle 3421 relatively, treat that the processing meshbelt passes every first gas outlet nozzle 3411 and second gas outlet nozzle 3421 setting. The top of the drying pool 3 is far away from one end of the spraying pool 2 and is rotatably connected with a fourth guide roller 35, and the fourth guide roller 35 is horizontally arranged along the width direction of the sizing pool 1. When the user uses the device, the blower 32 is turned on, the blower 32 discharges air, the air passes through the primary air outlet pipe 33 and the secondary air outlet pipe 34, and finally, the air is blown and dried on the two sides of the woven tape by each of the first air outlet nozzle 3411 and the second air outlet nozzle 3421. The final braid is guided off by a fourth guide roller 35.

The implementation principle of the mesh belt sizing machine for improving the sizing degree is as follows: when the user uses, add thick liquids to sizing pond 1, thick liquids enter into liquid spraying pond 2 through leading to groove 21, will wait to process the meshbelt and pass between first material loading roller 12 and second material loading roller 121, carry out the switching-over through first guide roll 13 bottom afterwards, pass between first mud jacking roller 14 and second mud jacking roller 141 at last, start first servo motor 122 and second servo motor 142, first servo motor 122 drives first material loading roller 12 and rotates, first material loading roller 12 drives and waits to process the meshbelt material loading. The woven belt to be processed passes through the slurry in the sizing pool 1, the direction of the woven belt is finally changed through the first guide roller 13, the brush bristles 152 can clean the redundant slurry on the woven belt passing through the slurry between the first brush plate 15 and the second brush plate 151, the slurry splashed by the woven belt passing through the first squeezing roller 14 and the second squeezing roller 141 is reduced, the woven belt passing through the slurry is sent out through the first squeezing roller 14 and the second squeezing roller 141, and the slurry on the woven belt is compacted. And then the woven belt enters the liquid spraying pool 2, the third servo motor 2441 is started, the first water pump 232 and the second water pump 243 are started, and the first water pump 232 and the second water pump 243 pump out the slurry in the liquid spraying pool 2 and finally spray the slurry out through the first spray head 231 and the second spray head 241. After the woven tape is sent out by the first and second squeezing rollers 14 and 141, the woven tape is transferred by the second guide roller 22, the woven tape passes between the first spray head 231 and the second spray head 241, the first spray head 231 and the second spray head 241 spray the slurry to the two sides of the woven tape, the coverage of the slurry is further improved, and the woven tape is finally squeezed and transferred by the third and fourth squeezing rollers 244 and 245. After the woven tape is transferred into the drying pool 3, the blower 32 is started, the blower 32 discharges air, the air passes through the main air outlet pipe 33 and the auxiliary air outlet pipe 34, and finally, the air is blown and dried on the two sides of the woven tape by each of the first air outlet nozzle 3411 and the second air outlet nozzle 3421. The final web is guided out by a fourth guide roller 35.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. The utility model provides an improve meshbelt sizing machine of starching degree, including sizing pool (1), sizing pool (1) inside is close to sizing pool (1) one side position department and rotates and is connected with first material loading roller (12) and second material loading roller (121), the width direction level setting of sizing pool (1) is all followed in first material loading roller (12) and second material loading roller (121), sizing pool (1) inside is close to bottom position department and rotates and is connected with first guide roll (13), sizing pool (1) inside is kept away from first material loading roller (12) one side position department and rotates and is connected with first pressure dressing roller (14) and second pressure dressing roller (141), first pressure dressing roller (14) and second pressure dressing roller (141) all set up along the width direction level of sizing pool (1), its characterized in that: one side of the sizing pool (1) far away from the first feeding roller (12) is fixedly connected with a liquid spraying pool (2), one end of the top of the liquid spraying pool (2) close to the sizing pool (1) is rotatably connected with a second guide roller (22), the second guide roller (22) is arranged along the width direction of the sizing pool (1), one side of the liquid spraying pool (2) close to the sizing pool (1) is provided with a through groove (21), the through groove (21) is communicated with the sizing pool (1) and the liquid spraying pool (2), one side of the liquid spraying pool (2) is fixedly connected with a first liquid inlet pipe (23), the other end of the first liquid inlet pipe (23) is fixedly connected with a first spray head (231), the first spray head (231) is vertically and upwards arranged, the first spray head (231) is arranged inside the liquid spraying pool (2), a first water suction pump (232) is fixedly connected onto the first liquid inlet pipe (23), one side of the liquid spraying pool (2) far away from the first liquid inlet pipe (23) is fixedly connected with a second liquid inlet pipe (24), fixedly connected with second suction pump (243) on second feed liquor pipe (24), second feed liquor pipe (24) other end fixedly connected with second shower nozzle (241), second shower nozzle (241) vertically set up downwards, first shower nozzle (231) correspond with second shower nozzle (241) and set up, the corresponding second guide roll (22) one end rotation of keeping away from in hydrojet pond (2) top is connected with third mud jacking roller (244) and fourth mud jacking roller (245), the distance between third mud jacking roller (244) and fourth mud jacking roller (245) equals the thickness of treating the processing meshbelt, hydrojet pond (2) top corresponds third mud jacking roller (244) one end position department fixedly connected with third servo motor (2441), the output shaft of third servo motor (2441) passes hydrojet pond (2) top and sets up, the output shaft fixed connection of third servo motor (2441) is in third mud jacking roller (244) one end.

2. A web sizing machine for increasing the degree of sizing according to claim 1, wherein: the first guide roller (13) comprises fixing parts (131) which are rotatably connected to two sides in the sizing pond (1), the longitudinal sectional areas of the two fixing parts (131) are gradually reduced from one ends far away from each other to one ends close to each other, and a loading roller (132) is fixedly connected between the two fixing parts (131) together.

3. A web sizing machine for increasing the degree of sizing according to claim 1, wherein: the top of the sizing pool (1) is provided with a cambered surface (11) at a position close to one side of the first feeding roller (12).

4. A web sizing machine for increasing the degree of sizing according to claim 1, wherein: go up inside first mud jacking roller (14) and the second mud jacking roller (141) of corresponding of dressing pool (1) and be close to first guide roll (13) one side fixedly connected with first brush board (15), first brush board (15) level sets up, goes up inside first brush board (15) of corresponding of dressing pool (1) bottom fixedly connected with second brush board (151), and second brush board (151) vertical setting.

5. A ribbon sizing machine with increased sizing according to claim 4, characterized in that: the sides of the first brush board (15) and the second brush board (151) close to each other are fixedly connected with brush bristles (152).

6. A web sizing machine for increasing the degree of sizing according to claim 1, wherein: spraying pond (2) are kept away from sizing pond (1) one side fixedly connected with stoving pond (3), stoving pond (3) inside rotation is connected with third guide roll (31), third guide roll (31) level sets up, third guide roll (31) are along the width direction setting in sizing pond (1), fixedly connected with air-blower (32) are gone up in stoving pond (3), air-blower (32) fixedly connected with main outlet duct (33), the vice outlet duct (34) of fixedly connected with multiunit are gone up in main outlet duct (33), spraying pond (2) one end rotation is kept away from at stoving pond (3) top is connected with fourth guide roll (35), the width direction level setting in sizing pond (1) is followed in fourth guide roll (35).

7. A ribbon sizing machine with increased sizing according to claim 6, characterized in that: every group secondary outlet pipe (34) all includes first branch pipe (341) and second branch pipe (342), a plurality of first gas outlet mouths (3411) of fixedly connected with on every first branch pipe (341), a plurality of gas outlet mouths set up along the length direction array of first branch pipe (341), every second branch pipe (342) corresponds every first gas outlet mouth (3411) equal fixedly connected with second gas outlet mouth (3421) of position department, every first gas outlet mouth (3411) all sets up with second gas outlet mouth (3421) relatively, the position department between every first gas outlet mouth (3411) and second gas outlet mouth (3421) can be passed to the meshbelt of waiting to process.

8. A web sizing machine for increasing the degree of sizing according to claim 1, wherein: the second liquid inlet pipe (24) is fixedly connected with a valve (242) at a position close to the second spray head (241), and the second spray head (241) is fixedly connected to the bottom of the valve (242).

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