Padder for softening treatment of slurry-free cotton cloth

Abstract

The utility model relates to the technical field of textile machinery, in particular to a padder for softening treatment of slurry-free cotton cloth, which not only dries the cotton cloth through a roller and a hot-air blower to ensure that the cotton cloth is dry and soft, but also prevents the cotton cloth from being pulled to ensure that the cotton cloth is in a tensioned state. Comprising a soaking mechanism; the device further comprises a conveying mechanism, a tensioning mechanism, a driving mechanism, a stacking mechanism and a drying mechanism, the conveying mechanism is installed on the soaking mechanism and drives the pulp-free cotton cloth to be conveyed forwards, the tensioning mechanism is installed on the soaking mechanism and keeps the cotton cloth in a tensioning state, and the driving mechanism is installed on the conveying mechanism and drives the conveying mechanism to convey the cotton cloth. The stacking mechanism is installed on the driving mechanism and pokes cotton cloth to be stacked, and the drying mechanism is installed on the soaking mechanism and dries the cotton cloth.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of textile machinery, in particular to a kind of rolling machine for soft processing of no sizing cotton cloth. BACKGROUND

[0002] Existing no sizing cotton cloth requires soft hand feeling, comfortable to wear, so processing manufacturer needs to add certain softening agent in dyeing finishing process, softening agent is preserved in cloth, and comfortable, no foreign body feeling is felt after making clothes.

[0003] The existing rolling machine for soft processing of no sizing cotton cloth, for example, the utility model patent with the application number 202122191460.5 discloses a new three-in-one soft rolling dryer equipment, its main structure includes rack and cloth car and trough located at the front and back sides of rack, automatic untwisting head, twist sensor, opening device, water tank, softener tank and cloth roller are sequentially arranged on rack according to the advancing direction of cylinder cloth, two groups of roller devices are arranged on rack, which are first roller device and second roller device, each group of roller device is composed of two horizontal opposite rotating rubber rollers driven by one motor;When using, the cylinder cloth soaked in water is taken out and rolled by first roller device, so that the moisture content of cylinder cloth is consistent, the first roller device is set to be adjustable, which is beneficial to obtain different moisture contents according to the pressure of compression roller, before rolling, cylinder cloth is treated by first air charging pipe to ensure the flatness of cloth after rolling.

[0004] However, the existing rolling machine is easy to pull cotton cloth, which affects the rolling quality, and the existing rolling machine mostly only uses roller to extrude drainage, and the drainage effect is poor, and cotton cloth is still in a wet state. UTILITY MODEL CONTENTS

[0005] To solve the above technical problems, the utility model provides a rolling machine for soft processing of no sizing cotton cloth, which not only dries cotton cloth by roller and hot air machine, ensures the dry and soft of cotton cloth, avoids the pulling of cotton cloth, and ensures the tension of cotton cloth.

[0006] The utility model discloses a kind of mangle for soft processing of no pulp cotton cloth, including soaking mechanism;It further includes conveying mechanism, tensioning mechanism, driving mechanism, stacking mechanism and drying mechanism, conveying mechanism is installed on soaking mechanism and drives no pulp cotton cloth to forward transport, tensioning mechanism is installed on soaking mechanism and maintains cotton cloth tension state, driving mechanism is installed on conveying mechanism and drives conveying mechanism to transport cotton cloth, stacking mechanism is installed on driving mechanism and stirs cotton cloth stacking, drying mechanism is installed on soaking mechanism and is dry to cotton cloth;Start driving mechanism, driving mechanism drives conveying mechanism and transports the cotton cloth after opening width to soak in soaking mechanism, improves cotton cloth softness, avoid cotton cloth by setting tensioning mechanism to be pulled, keep cotton cloth tension state, start drying mechanism and dry the cotton cloth after rolling, stacking mechanism stacks the cotton cloth after drying.

[0007] Preferably, the soaking mechanism includes a soaking pool, two sets of guide rollers, two sets of rollers, two sets of gears and two sets of first pulleys, the bottom end of the soaking pool is connected with the ground, the inside of the soaking pool is provided with a cavity, the two sets of guide rollers are both rotationally installed in the cavity of the soaking pool, the two sets of rollers are both rotationally installed in the cavity of the soaking pool, the two sets of gears are respectively installed on the two sets of rollers, and the two sets of gears are in meshing transmission, and the two sets of first pulleys are respectively installed on the two sets of rollers; the conveying mechanism transports the cotton cloth after opening width into the cavity of the soaking pool, the cavity of the soaking pool contains a softener solution, the two sets of guide rollers cooperate with the tensioning mechanism to prolong the soaking time of the cotton cloth, the driving mechanism drives the first set of first pulleys to rotate, the first pulley drives the first set of rollers to rotate, the first set of rollers drives the second set of rollers to rotate through the two sets of gears, and the two sets of rollers roll and press the cotton cloth to squeeze out the moisture in the cotton cloth.

[0008] Preferably, the conveying mechanism includes two sets of conveying rollers, four sets of positioning rings, two sets of second pulleys, a first belt, a third pulley and a second belt, the two sets of conveying rollers are both rotationally installed on the soaking pool, each set of conveying roller is provided with two sets of positioning rings, the two sets of second pulleys are respectively installed on the two sets of conveying rollers, the first belt is tensioned and installed between the two sets of second pulleys, the third pulley is installed on the first set of conveying roller, and the second belt is tensioned and installed between the second set of first pulley and the second belt; the second set of first pulley drives the third pulley to rotate through the second belt, the third pulley drives the conveying roller connected therewith to rotate, the conveying roller drives another set of conveying roller to rotate through the two sets of second pulleys and the first belt, and the two sets of conveying rollers drive the cotton cloth after opening width to forward transport, and the four sets of positioning rings are arranged to avoid the deviation of the cotton cloth.

[0009] Preferably, the tensioning mechanism comprises a rotating shaft, a tensioning frame, two sets of springs and two sets of connecting plates, the rotating shaft is rotatably installed in the cavity of the soaking pool, the tensioning frame is installed on the rotating shaft, the two sets of springs are both installed on the soaking pool, and the two sets of connecting plates are both installed on the rotating shaft and connected with the two sets of springs; the cotton cloth winds around the tensioning frame in the cavity of the soaking pool, when the transmission speeds of the two sets of conveying rollers are inconsistent and the two sets of rollers generate pulling force on the cotton cloth, the cotton cloth drives the tensioning frame and the rotating shaft to rotate to release the pulling force, and when the cotton cloth is relaxed, the two sets of springs push the rotating shaft to reverse through the two sets of connecting plates to tension the cotton cloth.

[0010] Preferably, the driving mechanism comprises a motor, a speed reducer, a transmission shaft, two sets of fourth pulleys and a third belt, the motor is installed on the soaking pool, the speed reducer is installed on the soaking pool, the transmission shaft is rotatably installed on the soaking pool, the two sets of fourth pulleys are both installed on the transmission shaft, and the third belt is tautly installed between the first set of first pulleys and the first set of fourth pulleys; the motor is started, the motor drives the transmission shaft to rotate through the speed reducer, the transmission shaft drives the two sets of fourth pulleys to rotate, and the first set of fourth pulleys drive the first set of first pulleys to rotate through the third belt.

[0011] Preferably, the stacking mechanism comprises a positioning frame, a sliding block, two sets of folding rollers, a first connecting rod, a connecting shaft, a second connecting rod, a fifth pulley and a fourth belt, the positioning frame is installed on the soaking pool, the positioning frame is provided with a sliding groove, the sliding block is slidably installed in the sliding groove of the positioning frame, the two sets of folding rollers are both installed on the sliding block, the first connecting rod is rotatably installed on the sliding block, the connecting shaft is rotatably installed on the positioning frame, the second connecting rod is installed on the connecting shaft and rotatably connected with the first connecting rod, the fifth pulley is installed on the connecting shaft, and the fourth belt is tautly installed between the second set of fourth pulleys and the fifth pulley; the second set of fourth pulleys drive the fifth pulley to rotate through the fourth belt, the fifth pulley drives the connecting shaft to rotate, the connecting shaft drives the second connecting rod to rotate, the second connecting rod and the first connecting rod cooperate to drive the sliding block to reciprocatingly move in the sliding groove of the positioning frame, and the cotton cloth passes between the two sets of folding rollers, and the sliding block drives the cotton cloth to reciprocatingly fold and store through the two sets of folding rollers.

[0012] Preferably, the drying mechanism comprises a hot air blower, two sets of air pipes and multiple groups of nozzles, the hot air blower is installed on the soaking pool, the two sets of air pipes are respectively installed in the cavity of the soaking pool and outside the soaking pool, and the multiple groups of nozzles are respectively installed on the two sets of air pipes; the hot air blower is started, the hot air blower sends hot air to the multiple groups of nozzles through the two sets of air pipes, and the multiple groups of nozzles spray the hot air to dry the cotton cloth.

[0013] The utility model discloses a beneficial effect compared with prior art is: starting drive mechanism, drive mechanism drive conveying mechanism transports the cotton cloth after the open width to the soaking mechanism and soaks the liquid, improves the softness of cotton cloth, avoids the cotton cloth to be pulled through setting up the tensioning mechanism, keeps the cotton cloth tensioned state, and the drying mechanism is started to the cotton cloth after the liquid and is dried, and the stacking mechanism stacks the cotton cloth after drying. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the isometric structure schematic diagram of the utility model, and

[0015] Figure 2 It is the section isometric structure schematic diagram of the soaking mechanism and conveying mechanism of the utility model,

[0016] Figure 3 It is the partial enlarged isometric structure schematic diagram of the soaking mechanism and conveying mechanism of the utility model,

[0017] Figure 4 It is the partial enlarged section isometric structure schematic diagram of the tensioning mechanism of the utility model,

[0018] Figure 5 It is the partial enlarged section isometric structure schematic diagram of the drive mechanism and stacking mechanism of the utility model,

[0019] Figure 6 It is the partial enlarged isometric structure schematic diagram of the drying mechanism of the utility model.

[0020] Mark in the drawing: 01, soaking mechanism, 11, soaking pool, 12, guide roller, 13, roll, 14, gear, 15, first pulley, 02, conveying mechanism, 21, conveying roller, 22, positioning ring, 23, second pulley, 24, first belt, 25, third pulley, 26, second belt, 03, tensioning mechanism, 31, pivot, 32, tensioning frame, 33, spring, 34, connecting disc, 04, drive mechanism, 41, motor, 42, speed reducer, 43, transmission shaft, 44, fourth pulley, 45, third belt, 05, stacking mechanism, 51, positioning frame, 52, sliding block, 53, swing roller, 54, first connecting rod, 55, connecting shaft, 56, second connecting rod, 57, fifth pulley, 58, fourth belt, 06, drying mechanism, 61, hot air machine, 62, gas pipe, 63, spray head. DETAILED DESCRIPTION

[0021] In order to facilitate understanding the utility model, below will refer to relevant drawings and the utility model is more comprehensive description.The utility model can realize in many different forms, and is not limited to the embodiment described in this paper.Contrarily, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0022] Example 1

[0023] The utility model discloses a kind of for no pulp cotton cloth soft processing's rolling mill, including soaking mechanism 01;Still including conveying mechanism 02, tensioning mechanism 03, driving mechanism 04, stacking mechanism 05 and drying mechanism 06, conveying mechanism 02 is installed on soaking mechanism 01 and drives no pulp cotton cloth forward transport, tensioning mechanism 03 is installed on soaking mechanism 01 and maintains cotton cloth tensioning state, driving mechanism 04 is installed on conveying mechanism 02 and drives conveying mechanism 02 to transport cotton cloth, stacking mechanism 05 is installed on driving mechanism 04 and stirs cotton cloth stacking, drying mechanism 06 is installed on soaking mechanism 01 and to cotton cloth dry;Soaking mechanism 01 includes soaking pool 11, two groups of guide roller 12, two groups of roller 13, two groups of gear 14 and two groups of first pulley 15, the bottom end of soaking pool 11 is connected with ground, cavity is provided in the inside of soaking pool 11, two groups of guide roller 12 are rotatably installed in the cavity of soaking pool 11, two groups of roller 13 are rotatably installed in the cavity of soaking pool 11, two groups of gear 14 are installed on two groups of roller 13 respectively, and two groups of gear 14 are engaged transmission, two groups of first pulley 15 are installed on two groups of roller 13 respectively;Conveying mechanism 02 includes two groups of conveying roller 21, four groups of positioning ring 22, two groups of second pulley 23, first belt 24, third pulley 25 and second belt 26, two groups of conveying roller 21 are rotatably installed on soaking pool 11, two groups of positioning ring 22 are installed on every group of conveying roller 21, two groups of second pulley 23 are installed on two groups of conveying roller 21 respectively, first belt 24 is tensioned and installed between two groups of second pulley 23, third pulley 25 is installed on first group of conveying roller 21, second belt 26 is tensioned and installed between second group of first pulley 15 and second belt 26;Tensioning mechanism 03 includes shaft 31, tensioning frame 32, two groups of spring 33 and two groups of connecting disc 34, shaft 31 is rotatably installed in the cavity of soaking pool 11, tensioning frame 32 is installed on shaft 31, two groups of spring 33 are installed on soaking pool 11, two groups of connecting disc 34 are installed on shaft 31 and are connected with two groups of spring 33 respectively;Driving mechanism 04 includes motor 41, speed reducer 42, transmission shaft 43, two groups of fourth pulley 44 and third belt 45, motor 41 is installed on soaking pool 11, speed reducer 42 is installed on soaking pool 11, transmission shaft 43 is rotatably installed on soaking pool 11, two groups of fourth pulley 44 are installed on transmission shaft 43, third belt 45 is tensioned and installed between first group of first pulley 15 and first group of fourth pulley 44.The stacking mechanism 05 comprises a positioning frame 51, a sliding block 52, two sets of swing rollers 53, a first connecting rod 54, a connecting shaft 55, a second connecting rod 56, a fifth belt pulley 57 and a fourth belt 58, the positioning frame 51 is installed on the soaking pool 11, the positioning frame 51 is provided with a sliding groove, the sliding block 52 is slidingly installed in the sliding groove of the positioning frame 51, the two sets of swing rollers 53 are both installed on the sliding block 52, the first connecting rod 54 is rotatably installed on the sliding block 52, the connecting shaft 55 is rotatably installed on the positioning frame 51, the second connecting rod 56 is installed on the connecting shaft 55 and is rotatably connected with the first connecting rod 54, the fifth belt pulley 57 is installed on the connecting shaft 55, and the fourth belt 58 is tensioned and installed between the second set of fourth belt pulleys 44 and the fifth belt pulley 57; in the working process, firstly, the motor 41 is started, the motor 41 drives the transmission shaft 43 to rotate through the speed reducer 42, the transmission shaft 43 drives the two sets of fourth belt pulleys 44 to rotate, the first set of fourth belt pulleys 44 drives the first set of first belt pulleys 15 to rotate through the third belt 45, the first belt pulley 15 drives the first set of rolling mills 13 to rotate, the first set of rolling mills 13 drives the second set of rolling mills 13 to rotate through the two sets of gears 14, the two sets of rolling mills 13 roll and press the cotton cloth, and the water in the cotton cloth is squeezed out, the second set of first belt pulleys 15 drives the third belt pulley 25 to rotate through the second belt 26, the third belt pulley 25 drives the conveying roller 21 connected therewith to rotate, the conveying roller 21 drives the other conveying roller 21 to rotate through the two sets of second belt pulleys 23 and the first belt 24, the two sets of conveying rollers 21 drive the opened cotton cloth to be conveyed forward, the four sets of positioning rings 22 are arranged to avoid the deviation of the cotton cloth, the cavity of the soaking pool 11 contains the softener solution, the two sets of guide rollers 12 cooperate with the tensioning mechanism 03 to prolong the soaking time of the cotton cloth, the cotton cloth winds around the tensioning frame 32 in the cavity of the soaking pool 11, when the conveying speeds of the two sets of conveying rollers 21 are inconsistent and the two sets of rolling mills 13 generate pulling force on the cotton cloth, the cotton cloth drives the tensioning frame 32 and the rotating shaft 31 to rotate to release the pulling force, when the cotton cloth is relaxed, the two sets of springs 33 push the rotating shaft 31 to reverse through the two sets of connecting discs 34, so that the cotton cloth is tensioned, the second set of fourth belt pulleys 44 drives the fifth belt pulley 57 to rotate through the fourth belt 58, the fifth belt pulley 57 drives the connecting shaft 55 to rotate, the connecting shaft 55 drives the second connecting rod 56 to rotate, the second connecting rod 56 and the first connecting rod 54 cooperate to drive the sliding block 52 to reciprocate in the sliding groove of the positioning frame 51, the cotton cloth passes between the two sets of swing rollers 53, and the sliding block 52 drives the cotton cloth to reciprocate and fold through the two sets of swing rollers 53.

[0024] Example 2

[0025] As Figures 1 to 6As shown, the rolling machine for soft processing of pulp-free cotton cloth is based on embodiment 1; the drying mechanism 06 comprises a hot air blower 61, two groups of air conveying pipes 62 and multiple groups of spray heads 63, the hot air blower 61 is installed on the soaking pool 11, the two groups of air conveying pipes 62 are respectively installed in the cavity of the soaking pool 11 and outside the soaking pool 11, and the multiple groups of spray heads 63 are respectively installed on the two groups of air conveying pipes 62; during operation, first, the motor 41 is started, the motor 41 drives the transmission shaft 43 to rotate through the speed reducer 42, the transmission shaft 43 drives the two groups of fourth pulleys 44 to rotate, the first group of fourth pulleys 44 drives the first group of first pulleys 15 to rotate through the third belt 45, the first pulley 15 drives the first group of rolling mills 13 to rotate, the first group of rolling mills 13 drives the second group of rolling mills 13 to rotate through the two groups of gears 14, and the two groups of rolling mills 13 roll and press the cotton cloth to squeeze out the moisture in the cotton cloth, the second group of first pulleys 15 drives the third pulley 25 to rotate through the second belt 26, the third pulley 25 drives the conveying roller 21 connected thereto to rotate, the conveying roller 21 drives the other group of conveying rollers 21 to rotate through the two groups of second pulleys 23 and the first belt 24, the two groups of conveying rollers 21 drive the opened cotton cloth to be conveyed forward, the four groups of positioning rings 22 are arranged to prevent the cotton cloth from deviating, the cavity of the soaking pool 11 contains a softener solution, the two groups of guide rollers 12 cooperate with the tensioning mechanism 03 to prolong the soaking time of the cotton cloth, the cotton cloth winds around the tensioning frame 32 in the cavity of the soaking pool 11, when the conveying speed of the two groups of conveying rollers 21 is inconsistent and the two groups of rolling mills 13 generate pulling force on the cotton cloth, the cotton cloth drives the tensioning frame 32 and the rotating shaft 31 to rotate to release the pulling force, when the cotton cloth is relaxed, the two groups of springs 33 push the rotating shaft 31 to reverse through the two groups of connecting discs 34 to tension the cotton cloth, the second group of fourth pulleys 44 drives the fifth pulley 57 to rotate through the fourth belt 58, the fifth pulley 57 drives the connecting shaft 55 to rotate, the connecting shaft 55 drives the second connecting rod 56 to rotate, the second connecting rod 56 and the first connecting rod 54 cooperate to drive the sliding block 52 to reciprocate in the sliding groove of the positioning frame 51, the cotton cloth passes between the two groups of folding rollers 53, the sliding block 52 drives the cotton cloth to reciprocate and fold through the two groups of folding rollers 53, the hot air blower 61 is started, the hot air blower 61 conveys hot air to the multiple groups of spray heads 63 through the two groups of air conveying pipes 62, and the multiple groups of spray heads 63 spray the hot air to dry the cotton cloth.

[0026] The motor 41, the speed reducer 42 and the hot air blower 61 of the utility model are purchased on the market, and the technical personnel in the industry only needs to install and operate according to the attached instruction manual, without the technical personnel in the field paying creative labor.

[0027] The above only describes the preferred embodiments of the utility model, and it should be noted that the ordinary technical personnel in the technical field can make several improvements and modifications without departing from the technical principles of the utility model, and these improvements and modifications should be regarded as the protection range of the utility model.

Claims

1. A rolling mill for softening unsizing cotton fabric, comprising a soaking mechanism (01); characterized in that, It also includes a conveying mechanism (02), a tensioning mechanism (03), a driving mechanism (04), a stacking mechanism (05), and a drying mechanism (06). The conveying mechanism (02) is installed on the soaking mechanism (01) and drives the unsizing cotton fabric forward. The tensioning mechanism (03) is installed on the soaking mechanism (01) and maintains the cotton fabric in a tensile state. The driving mechanism (04) is installed on the conveying mechanism (02) and drives the conveying mechanism (02) to convey the cotton fabric. The stacking mechanism (05) is installed on the driving mechanism (04) and moves the cotton fabric to be stacked. The drying mechanism (06) is installed on the soaking mechanism (01) and dries the cotton fabric.

2. The rolling mill for softening unsizing cotton fabric as described in claim 1, characterized in that, The soaking mechanism (01) includes a soaking tank (11), two sets of guide rollers (12), two sets of rollers (13), two sets of gears (14) and two sets of first pulleys (15). The bottom end of the soaking tank (11) is connected to the ground. The soaking tank (11) has a cavity inside. The two sets of guide rollers (12) are rotatably installed in the cavity of the soaking tank (11). The two sets of rollers (13) are rotatably installed in the cavity of the soaking tank (11). The two sets of gears (14) are respectively installed on the two sets of rollers (13) and the two sets of gears (14) mesh for transmission. The two sets of first pulleys (15) are respectively installed on the two sets of rollers (13).

3. A rolling mill for softening unsizing cotton fabric as described in claim 2, characterized in that, The conveying mechanism (02) includes two sets of conveying rollers (21), four sets of positioning rings (22), two sets of second pulleys (23), a first belt (24), a third pulley (25), and a second belt (26). Both sets of conveying rollers (21) are rotatably mounted on the soaking tank (11). Each set of conveying rollers (21) is equipped with two sets of positioning rings (22). The two sets of second pulleys (23) are respectively mounted on the two sets of conveying rollers (21). The first belt (24) is tensioned between the two sets of second pulleys (23). The third pulley (25) is mounted on the first set of conveying rollers (21). The second belt (26) is tensioned between the second set of first pulleys (15) and the second belt (26).

4. A rolling mill for softening unsizing cotton fabric as described in claim 2, characterized in that, The tensioning mechanism (03) includes a rotating shaft (31), a tensioning frame (32), two sets of springs (33) and two sets of connecting discs (34). The rotating shaft (31) is rotatably installed in the cavity of the soaking tank (11). The tensioning frame (32) is installed on the rotating shaft (31). Both sets of springs (33) are installed on the soaking tank (11). Both sets of connecting discs (34) are installed on the rotating shaft (31) and are respectively connected to the two sets of springs (33).

5. A rolling mill for softening unsizing cotton fabric as described in claim 2, characterized in that, The drive mechanism (04) includes a motor (41), a reducer (42), a transmission shaft (43), two sets of fourth pulleys (44) and a third belt (45). The motor (41) is installed on the soaking tank (11), the reducer (42) is installed on the soaking tank (11), the transmission shaft (43) is rotatably installed on the soaking tank (11), both sets of fourth pulleys (44) are installed on the transmission shaft (43), and the third belt (45) is tensioned between the first set of first pulleys (15) and the first set of fourth pulleys (44).

6. A rolling mill for softening unsizing cotton fabric as described in claim 5, characterized in that, The stacking mechanism (05) includes a positioning frame (51), a slider (52), two sets of swaying rollers (53), a first connecting rod (54), a connecting shaft (55), a second connecting rod (56), a fifth pulley (57), and a fourth belt (58). The positioning frame (51) is installed on the soaking tank (11). The positioning frame (51) has a groove. The slider (52) is slidably installed in the groove of the positioning frame (51). Both sets of swaying rollers (53) are installed on the slider (52). The first connecting rod (54) is rotatably installed on the slider (52). The connecting shaft (55) is rotatably installed on the positioning frame (51). The second connecting rod (56) is installed on the connecting shaft (55) and rotatably connected to the first connecting rod (54). The fifth pulley (57) is installed on the connecting shaft (55). The fourth belt (58) is tensioned between the second set of fourth pulleys (44) and the fifth pulley (57).

7. A rolling mill for softening unsizing cotton fabric as described in claim 2, characterized in that, The drying mechanism (06) includes a hot air blower (61), two sets of air supply pipes (62) and multiple sets of nozzles (63). The hot air blower (61) is installed on the soaking tank (11). The two sets of air supply pipes (62) are installed in the cavity of the soaking tank (11) and on the outside of the soaking tank (11) respectively. The multiple sets of nozzles (63) are installed on the two sets of air supply pipes (62) respectively.

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