Knitted fabric high-temperature cooking box

Abstract

The utility model discloses a knitted fabric high-temperature cooking box which comprises a box body, a cloth feeding module, a cloth stacking groove in the bottom of the box body and a cloth discharging module. Knitted fabric enters the cloth stacking groove from the cloth stacking groove through the cloth feeding module and is guided out of the box body through the cloth discharging module. A heating assembly is arranged in the box body and is used for heating the working liquid in the cloth stacking tank and forming steam to act on the knitted fabric above the liquid level of the cloth stacking tank; a spraying device is arranged above the cloth stacking tank and is used for spraying a working solution to the knitted fabric; the longitudinal section of the cloth stacking groove is semicircular; the rotary roller is arranged in the box body, part of the rotary roller is located in the cloth stacking groove, a U-shaped knitted fabric operation space is formed between the outer wall of the rotary roller and the inner wall of the cloth stacking groove, and the rotary roller can rotate to push the knitted fabric in the cloth stacking groove to move from one side of the cloth stacking groove to the other side of the cloth stacking groove.

Description

Technical Field

[0001] The invention relates to the field of textile printing and dyeing, and in particular to a high-temperature cooking box for knitted fabrics. Background Art

[0002] In the production process of knitted fabrics, it is necessary to use working fluid to remove natural impurities (such as wax, pectin, lanolin, sericin, etc.) attached to the knitted fabrics through a scouring process.

[0003] For example, Chinese patent document CN107012614B discloses a cooking box, but the cooking box in the document performs the steaming and boiling steps in different boxes, which easily causes the loss of heat energy and affects the cooking process efficiency. Summary of the invention

[0004] The purpose of the present invention is to provide a high-temperature cooking box for knitted fabrics, so as to solve the problem in the prior art that the steps of steaming and boiling are performed in different spaces, resulting in waste of resources and affecting the processing efficiency of knitted fabrics.

[0005] A high-temperature cooking box for knitted fabrics, comprising:

[0006] Box body, cloth inlet module, cloth stacking trough at the bottom of the box body and cloth outlet module;

[0007] The knitted fabric enters the pile trough from the cloth feeding module and is guided out of the box by the cloth discharging module;

[0008] A heating component is arranged in the box body, and the heating component is used to heat the working fluid in the stacking groove and form steam to act on the knitted fabric above the stacking groove;

[0009] A spray device is provided above the pile trough, and the spray device is used to spray working liquid onto the knitted fabric;

[0010] The longitudinal section of the cloth stacking trough is semicircular;

[0011] The rotating roller is arranged in the box body and is partially located in the stacking groove. A U-shaped knitted fabric running space is formed between the outer wall of the rotating roller and the inner wall of the stacking groove. The rotating roller can rotate to push the knitted fabric in the stacking groove from one side to the other side.

[0012] The beneficial effects are as follows: the knitted fabrics in the tank body are all soaked in the working liquid and heated by the heating component, the generated steam can steam-heat the knitted fabrics above the liquid surface, and the working liquid sprayed by the spray device soaks the knitted fabrics above the liquid surface in the stacking tank, so as to realize the integrated steaming and cooking in the same processing unit, thereby improving the working efficiency of the equipment.

[0013] In some embodiments, a swing module is provided above the stacking groove, and the swing module includes a swing rod and a swing drive assembly, and the swing drive assembly is used to drive the swing rod to swing back and forth, and the swing rod causes the knitted fabric to form a fold when swinging.

[0014] The beneficial effect is that when the swing rod swings, the folding of the knitted fabric can make the knitted fabric stacked in the pile groove, so that the knitted fabric is fully soaked by the working liquid in the pile groove, and the volume occupied by the knitted fabric in the pile groove is increased, so as to improve the scouring efficiency per unit volume in the pile groove.

[0015] In some embodiments, the swing drive assembly includes a swing drive motor, a swing arm and a connecting rod driven to rotate by the swing drive motor, one end of the connecting rod is connected to the swing arm, and the other end is connected to the swing rod.

[0016] In some embodiments, the stacking trough is composed of a plurality of parallel semicircular tubes, with gaps between the semicircular tubes;

[0017] The bottom of the box body is a tank body for containing working fluid, and the working fluid in the tank body can enter the stacking tank through the gaps between the semicircular tubes.

[0018] The beneficial effect is that the existence of the gap realizes the exchange of working fluid between the tank body and the stacking tank, thereby improving the utilization rate of the working fluid.

[0019] In some embodiments, the semicircular tube is a stainless steel tube with a surface coated with polytetrafluoroethylene, or the stainless steel tube is coated with a polytetrafluoroethylene tube.

[0020] The beneficial effects are: the box is in a humid environment for a long time, the stainless steel semicircular tube can extend the service life of the semicircular tube, and the surface of the semicircular tube is coated with polytetrafluoroethylene to improve the corrosion resistance and lubrication effect of the semicircular tube surface, and can also reduce the friction between the fabric and the outer wall of the semicircular tube, so that the surface of the semicircular tube can be smooth enough.

[0021] In some embodiments, the heating component is a steam coil, steam flows through the steam coil, and the heating component is located between the outer wall of the stacking tank and the inner wall of the tank body.

[0022] The beneficial effect is that the heating component can heat the working fluid in the stacking tank and the tank body.

[0023] In some embodiments, the amplitude modulation sensing module includes a stopper and a position sensor for sensing the position of the stopper, wherein the stopper is used to contact the knitted fabric leaving the stacking groove, thereby swinging at different angles to trigger different position sensors.

[0024] In some embodiments, there are a plurality of position sensors, which are disposed on the sensing plate and arranged in an arc shape. When one end of the lever contacts the knitted fabric, the other end of the lever rotates and triggers different position sensors.

[0025] In some embodiments, the width-opening module includes a width-opening drive device, a first width-opening roller, and a second width-opening roller, and the first width-opening roller and the second width-opening roller can move under the drive of the width-opening drive device.

[0026] The beneficial effect is that the amplitude modulation sensing module can feed back the extension signal of the knitted fabric to the width opening module, and the width opening module opens the knitted fabric.

[0027] In some embodiments, the centering module is used to center the knitted fabric that is about to leave the box, and the centering module includes a centering sensor for sensing the width direction position of the knitted fabric and an opening centering device for adjusting the width direction position of the knitted fabric according to the centering sensor.

[0028] The beneficial effect is that the centering module is used for centering the knitted fabric before output.

[0029] In some embodiments, the spraying device includes a first spray head, a second spray head, a third spray head, and a fourth spray head;

[0030] The first nozzle and the second nozzle are used to spray the two sides of the knitted fabric before entering the pile groove;

[0031] The third nozzle and the fourth nozzle are used to spray the two sides of the knitted fabric after leaving the pile groove.

[0032] The beneficial effect is that the first nozzle and the second nozzle can ensure that the knitted fabric can be sprayed with the working liquid before entering the working liquid in the stacking tank, and the third nozzle and the fourth nozzle can ensure that the knitted fabric can be sprayed with the working liquid after leaving the working liquid in the stacking tank.

[0033] In some embodiments, the spray device is connected to the stacking trough through a pipeline and a pump body, and the working fluid in the stacking trough is driven by the pump body to be sprayed out from the spray device through the connecting pipeline.

[0034] The beneficial effect is that the working fluid in the cloth stacking tank can be sprayed out through the pipeline via the spraying device, thereby realizing the recycling of the working fluid. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0036] Figure 1 It is a schematic diagram of the internal structure of the present invention.

[0037] Figure 2 It is a schematic diagram of the internal structure of the present invention.

[0038] Figure 3 It is a schematic diagram of the internal structure of the present invention.

[0039] Figure 4 for Figure 1 A partial enlarged view of the middle swing module.

[0040] Figure 5 for Figure 1 A partial enlarged view of the medium amplitude modulation sensing module.

[0041] Description of the reference numerals in the accompanying drawings:

[0042] 1. Box body; 2. Cloth stacking trough; 3. Cloth feeding module; 4. Cloth discharging module; 5. Heating component; 6. Rotating roller; 7. Swinging module; 8. Amplitude modulation sensing module; 9. Opening module; 10. Centering module; 11. Spraying device; 12. Dipping tank; 13. Tank body; 31. First guide roller; 32. Second guide roller; 71. Swinging rod; 72. Swinging drive assembly; 81. Abutment rod; 82. Position sensor; 83. Induction plate; 91. Opening rotating device; 92. First opening roller; 93. Second opening roller; 101. Centering sensor; 102. Opening centering device; 111. First nozzle; 112. Second nozzle; 113. Third nozzle; 114. Fourth nozzle; 721. Driving motor; 722. Swinging arm; 723. Connecting rod; 1021. Centering roller; 1022. Centering driving motor. DETAILED DESCRIPTION

[0043] In order to make the purpose, technical scheme and advantages of the present invention clearer, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are part of the embodiments of the present invention, rather than all of the embodiments, and are only used to explain the present invention, and are not used to limit the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0044] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "front", "back", "vertical", "horizontal", "inner", "outer", "two ends", "both sides", "bottom", "top" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred elements must have a specific orientation or be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "superior", "inferior", "primary", "secondary" and the like are only used for descriptive purposes and can be simply used to more clearly distinguish different components, but cannot be understood as indicating or implying relative importance.

[0045] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, or the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0046] like Figures 1 to 5 As shown:

[0047] A high-temperature cooking box for knitted fabrics, comprising:

[0048] Box body 1, cloth inlet module 3, cloth stacking trough 2 at the bottom of box body 1 and cloth outlet module 4;

[0049] The knitted fabric enters one side of the stacking groove 2 through the fabric inlet module 3 and leaves the other side of the stacking groove 2 and is guided out of the box 1 by the fabric outlet module 4;

[0050] A heating component 5 is provided on the stacking trough 2, and the heating component 5 is used to heat the working fluid in the stacking trough 2 and form steam to act on the knitted fabric above the stacking trough 2;

[0051] A spray device 11 is provided above the stacking trough 2, and the spray device 11 is used to spray working liquid onto the knitted fabric;

[0052] Preferably, the longitudinal section of the stacking trough 2 is semicircular (the whole can be considered as a semi-cylindrical shape); the stacking trough 2 is composed of a plurality of parallel semi-circular tubes, and further preferably, the semi-circular tubes are made of stainless steel and coated with polytetrafluoroethylene on the surface. Polytetrafluoroethylene has corrosion resistance and lubrication effects, which can reduce the friction between the knitted fabric and the outer wall of the semi-circular tube, and there is a gap between the semi-circular tubes; the groove wall of the stacking trough 2 can also be a semi-cylindrical plate with holes;

[0053] The bottom of the box body 1 is a trough body 13 for containing working fluid. The working fluid in the trough body 13 can enter the stacking trough 2 through the gap between the semicircular tubes to achieve the exchange of working fluid, and the working fluid in the trough body 13 and the stacking trough 2 are heated by the heating component 5 together.

[0054] The rotating roller 6 is arranged in the pile groove 2 and can rotate to push the knitted fabric in the pile groove 2 to advance. The rotation of the rotating roller 6 is driven by a motor.

[0055] When the rotating roller 6 rotates ( Figure 1 The knitted fabric in the pile groove 2 is pushed and driven to move from one side of the pile groove 2 to the other side.

[0056] The cloth inlet module 3 and the cloth outlet module 4 both include a plurality of guide rollers for guiding the knitted fabrics.

[0057] Two first guide rollers 31 are arranged in an alternating manner up and down in the cloth feeding module 3, and a second guide roller 32 is arranged at the rear end direction of the first guide roller 31. The knitted fabric passes through the two first guide rollers 31 and the second guide roller 32 in sequence. The two first guide rollers 31 can increase the tension of the knitted fabric and prevent the knitted fabric from slipping on the second guide roller 32.

[0058] The cloth feeding module 3 is also provided with a tensioning device for tensioning the knitted fabric.

[0059] Preferably, a swing module 7 is provided above the cloth stacking trough 2, and the swing module 7 includes a swing rod 71 and a swing drive assembly 72. The swing drive assembly 72 is used to drive the swing rod 71 to swing back and forth. The swing rod 71 causes the knitted fabric to fold when swinging. The folding causes the knitted fabric to form a reciprocating structure and form a part above the liquid surface that is at an acute angle to the liquid surface or even horizontal (not perpendicular to the liquid surface), so that the knitted fabric can more easily receive water vapor.

[0060] When the swing rod 71 swings, the folds formed by the knitted fabric can make the knitted fabric stacked in the pile groove 2, so that the knitted fabric is fully soaked by the working liquid in the pile groove 2, and the length of the knitted fabric in the pile groove 2 is increased. Without greatly increasing the diameter of the pile groove 2, the length of the scoured knitted fabric is increased as much as possible to improve the immersion efficiency per unit volume in the pile groove 2. At the same time, a horizontal part of the knitted fabric is also formed above the pile groove 2, and the horizontal part can directly receive the vapor evaporated by the working liquid in the pile groove 2, thereby improving the steam heating effect (equivalent to being laid flat above the liquid surface of the pile groove 2).

[0061] The stacked knitted fabrics swung by the swing rod 71 continue to penetrate into the stacking groove 2 because the surface of the stacking groove 2 is smooth enough. In order to maintain the neatness of the stacked knitted fabrics when moving in the stacking groove 2, the rotating roller 6 also rotates at this time, so that the speed at which the knitted fabrics contact the rotating roller 6 is the same as the speed at which the knitted fabrics slide in the stacking groove 2.

[0062] Preferably, the swing drive assembly 72 includes a swing drive motor 721, a swing arm 722 and a connecting rod 723 (forming a cam mechanism) driven by the swing drive motor 721, one end of the connecting rod 723 is connected to the swing arm 722, and the other end is connected to the swing rod 71 (the drive motor 721 is arranged outside the entire device). The swing arm 722 can also be set as a cam, an eccentric wheel, etc.

[0063] Preferably, the heating component 5 is a steam coil, and steam is passed through the steam coil, that is, high-temperature steam is passed through the steam coil, and the high-temperature steam is liquefied in the steam coil to release heat, thereby heating the working fluid in the stacking tank 2. Figures 1 to 3 As shown, the heating component 5 is located between the outer wall of the stacking trough 2 and the inner wall of the trough body 13, directly heating the working fluid between the outer wall of the stacking trough 2 and the inner wall of the trough body 13, and the working fluid in the stacking trough 2 is also heated.

[0064] Preferably, the amplitude modulation sensing module 8 includes a stopper 81 and a position sensor 82 for sensing the position of the stopper 81. The stopper 81 is used to contact the knitted fabric leaving the stacking groove 2, so as to swing at different angles to trigger different position sensors 82. Under normal circumstances, the stopper 81 will not contact the knitted fabric leaving the stacking groove 2.

[0065] Preferably, there are several position sensors 82, which are arranged on the sensing plate 83 and arranged in an arc shape. When one end of the push rod 81 contacts the knitted fabric, the other end of the push rod 81 rotates and triggers different position sensors 82. In this embodiment, the number of position sensors 82 on the sensing plate 83 is set to at least two, one of which is an acceleration switch, and the lower end of the acceleration switch is a deceleration switch. For example, the position sensor 82 can be a proximity photoelectric switch, and the corresponding proximity photoelectric switch can be triggered when one end of the push rod 81 is located in the groove. After the push rod 81 triggers the acceleration switch, the signal will be transmitted to the centering drive motor 1022 to increase the rotation speed, accelerate the travel speed of the knitted fabric, and prevent the knitted fabric from piling up at the push rod 81; after the push rod 81 triggers the deceleration switch, the signal will be transmitted to the centering drive motor 1022 to reduce the rotation speed, and the travel speed of the knitted fabric will be reduced.

[0066] Preferably, the opening module 9 includes an opening rotating device 91, a first opening roller 92 and a second opening roller 93. The first opening roller 92 and the second opening roller 93 as a whole can rotate in different directions under the drive of the opening rotating device 91 (that is, as a whole composed of the first opening roller 92 and the second opening roller 93, the angle between the first opening roller 92 and the second opening roller 93 and the horizontal plane can be driven by the opening rotating device 91 to rotate, so as to increase or decrease the wrap angle of the fabric and the opening roller to achieve different opening effects).

[0067] Preferably, the centering module 10 is used to center the knitted fabric that is about to leave the box 1. The centering module 10 includes a centering sensor 101 for sensing the width direction position of the knitted fabric and an opening centering device 102 for adjusting the width direction position of the knitted fabric according to the centering sensor 101.

[0068] The centering module 10 is used to center the knitted fabric before output. One of the centering sensors 101 in the figure is a signal transmitter, and the other is a signal receiver.

[0069] The width centering device 102 includes a centering roller 1021 and a centering drive motor 1022 for driving the centering roller 1021, wherein the centering roller 1021 can move to adjust the tension of the knitted fabric, for example, Figure 3 The centering roller 1021 can move left and right.

[0070] Preferably, the spray device 11 includes a first spray head 111, a second spray head 112, a third spray head 113 and a fourth spray head 114;

[0071] The first nozzle 111 and the second nozzle 112 are used to spray the two sides of the knitted fabric before entering the pile groove 2 respectively;

[0072] The third nozzle 113 and the fourth nozzle 114 are used to spray the two sides of the knitted fabric after leaving the pile groove 2 respectively.

[0073] There is no need for any special requirements for the first nozzle 111, the second nozzle 112, the third nozzle 113 and the fourth nozzle 114, as long as there is enough space in the box, they can be installed in place.

[0074] The first nozzle 111 and the second nozzle 112 can ensure that the knitted fabric can be sprayed with the working liquid before entering the working liquid in the pile groove 2, and the third nozzle 113 and the fourth nozzle 114 can ensure that the knitted fabric can be sprayed with the working liquid after leaving the working liquid in the pile groove 2. Wetting the knitted fabric through the nozzle can keep the knitted fabric at a certain moisture content and improve the steam heating effect.

[0075] Preferably, the spray device 11 is connected to the fabric stacking trough 2 through a pipeline, and the working fluid in the fabric stacking trough 2 is sprayed out from the spray device 11 through the connecting pipeline.

[0076] The working fluid in the stacking trough 2 can be sprayed out through the pipeline via the spraying device 11, so as to realize the recycling of the working fluid.

[0077] The knitted fabric in the box 1 is first immersed in the immersion tank 12 in the box 1 to soak the knitted fabric. The immersion tank 12 is filled with working liquid, and then the knitted fabric is processed after being guided by the cloth module. First, the knitted fabric is folded by the swing rod 71, and the knitted fabric that is folded and meanders enters the pile groove 2. The working liquid heated by the heating component 5 in the tank 13 and the pile groove 2 is heated and evaporated, so as to steam heat the knitted fabric that is about to enter the pile groove 2. The rotating roller 6 rotates to drive the knitted fabric to move from one side (entry end) to the other side (exit end), which is shown as counterclockwise rotation in the attached figure. The rotating roller 6 drives the knitted fabric to output it from the pile groove 2. If the knitted fabric moves too fast or too slow, the knitted fabric leaving the pile groove 2 will contact the abutment bar 81. When the knitted fabric leaves the pile groove, the "degree of accumulation" is different, and the contact abutment bar 81 will abut the knitted fabric at different angles and trigger different position sensors 82. The knitted fabric that has been opened will be centered by the centering module 10 and then guided by the cloth outlet module 4 before leaving the box 1.

[0078] It should also be noted that the provision of the dipping tank 12 is not essential, and if provided, it can be provided inside the housing 1 or outside the housing 1 .

[0079] The above are only some embodiments of the present invention, which are only used to illustrate the technical solution of the present invention, rather than to limit it. It should be understood that, for those skilled in the art, without departing from the creative concept of the present invention, it is possible to make improvements or substitutions according to the above description, and all these improvements and substitutions should belong to the protection scope of the appended claims of the present invention. In this case, all details can be replaced by equivalent elements, and the materials, shapes and sizes can also be arbitrary.

Claims

1. A high-temperature cooking box for knitted fabrics, characterized in that: include A box body (1), a cloth inlet module (3), a cloth stacking trough (2) at the bottom of the box body (1), and a cloth outlet module (4); The knitted fabric enters from one side of the fabric stacking groove (2) through the fabric inlet module (3) and leaves from the other side of the fabric stacking groove (2) and is guided out of the box (1) by the fabric outlet module (4); A heating component (5) is arranged in the box body (1), and the heating component (5) is used to heat the working fluid in the stacking tank (2); A spray device (11) is provided above the fabric stacking trough (2), and the spray device (11) is used to spray working liquid onto the knitted fabric; The longitudinal section of the cloth stacking groove (2) is semicircular; A rotating roller (6) is arranged in the box body (1) and is partially located in the pile groove (2). A U-shaped knitted fabric running space is formed between the outer wall of the rotating roller (6) and the inner wall of the pile groove (2). The rotating roller (6) can rotate to push the knitted fabric in the pile groove (2) from one side of the pile groove (2) to the other side. The cloth inlet module (3) and the cloth outlet module (4) each include at least one guide roller for guiding the knitted fabric.

2. A knitted fabric high temperature cooking box according to claim 1, characterized in that: A swing module (7) is arranged above the stacking groove (2), and the swing module (7) comprises a swing rod (71) and a swing driving assembly (72). The swing driving assembly (72) is used to drive the swing rod (71) to swing back and forth, and the swing rod (71) causes the knitted fabric to form a fold when swinging.

3. A knitted fabric high temperature cooking box according to claim 2, characterized in that: The swing drive assembly (72) comprises a swing drive motor (721), a swing arm (722) and a connecting rod (723) driven to rotate by the swing drive motor (721); one end of the connecting rod (723) is connected to the swing arm (722), and the other end is connected to the swing rod (71).

4. A knitted fabric high temperature cooking box according to any one of claims 1 to 3, characterized in that: The stacking trough (2) is composed of a plurality of parallel semicircular tubes, with gaps between the semicircular tubes; The bottom of the box body (1) is a trough body (13) for containing working fluid, and the working fluid in the trough body (13) can enter the stacking groove (2) through the gaps between the semicircular tubes.

5. A knitted fabric high temperature cooking box according to claim 4, characterized in that: The semicircular tube is a stainless steel tube, and the surface is coated with polytetrafluoroethylene or covered with a polytetrafluoroethylene tube.

6. A knitted fabric high temperature cooking box according to claim 4, characterized in that: The heating component (5) is a steam coil, and steam flows through the steam coil. The heating component (5) is located between the outer wall of the stacking groove (2) and the inner wall of the groove body (13).

7. A knitted fabric high temperature cooking box according to claim 1, characterized in that: The amplitude modulation sensing module (8) comprises a push rod (81) and a position sensor (82) for sensing the position of the push rod (81); the push rod (81) is used to contact the knitted fabric leaving the stacking groove (2), thereby swinging at different angles to trigger different position sensors (82).

8. A knitted fabric high temperature cooking box according to claim 7, characterized in that: There are a plurality of position sensors (82), which are arranged on the sensing plate (83) and arranged in an arc shape. When one end of the push rod (81) contacts the knitted fabric, the other end of the push rod (81) rotates and triggers different position sensors (82).

9. A knitted fabric high temperature cooking box according to claim 1, characterized in that: It also includes a centering module (10) for centering the knitted fabric that is about to leave the box (1), the centering module (10) including a centering sensor (101) for sensing the width direction position of the knitted fabric and an opening centering device (102) for adjusting the width direction position of the knitted fabric according to the centering sensor.

10. A knitted fabric high temperature cooking box according to claim 9, characterized in that: The spraying device (11) comprises a first spray head (111), a second spray head (112), a third spray head (113) and a fourth spray head (114); The first nozzle (111) and the second nozzle (112) are used to respectively spray the two sides of the knitted fabric before entering the fabric stacking groove (2); The third nozzle (113) and the fourth nozzle (114) are used to spray the two sides of the knitted fabric after leaving the fabric stacking groove (2). The spray device (11) is connected to the stacking trough (2) via a pipeline and a pump body, and the working fluid in the stacking trough (2) is driven by the pump body to be sprayed out of the spray device (11) through the connecting pipeline.

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