Rapid drying machine suitable for different fabrics after dyeing

Abstract

The invention relates to the technical field of fabric printing and dyeing, and particularly discloses a quick dryer suitable for different fabrics after dyeing, the quick dryer comprises a cylindrical drying box, a hot air supply device and a negative pressure air exhaust mechanism, the left side end of the cylindrical drying box is provided with a feeding and discharging port, and the cylindrical drying box is rotatably connected with a plurality of guide rollers; an air outlet strip box which moves in the radial direction is arranged between every two adjacent material guide rollers, an adjusting mechanism for driving all the air outlet strip boxes to synchronously move in the radial direction is arranged on the cylindrical drying box, material pressing rollers are rotationally arranged at the radial inner ends of the air outlet strip boxes, and air outlet oblique openings are formed in the two side faces of each air outlet strip box; the total length of the portion, located in the cylindrical drying box, of the fabric can be rapidly adjusted, then on the premise that the traction speed and the power of the air heater are kept unchanged, the hot air drying duration of different kinds of fabric can be adjusted, it is guaranteed that all kinds of fabric can be evenly dried, and the drying speed and the drying uniformity of the fabric are effectively improved.

Description

Technical Field

[0001] The invention relates to the technical field of fabric printing and dyeing, and particularly discloses a quick drying machine suitable for dyeing different fabrics. Background Art

[0002] After dyeing, textile fabrics need to be dried quickly. On the one hand, this removes the moisture absorbed by the fabrics and dries them, and on the other hand, it can achieve color fixation of the dye in the dye liquor and ensure the dyeing effect. Currently, existing textile fabric dryers all use a combination of a drying box and a hot air blower for online drying. During operation, the dyed and squeezed dehydrated fabrics are pulled through the drying box, and the high-temperature hot air generated by the hot air blower is discharged from the bottom of the drying box. The fabric is dried during the upward movement of the high-temperature hot air.

[0003] For example, the utility model patent with application number 202422232454.3 discloses a textile dryer, which includes a drying box, fabric, a wrinkle removal box, and a rotating roller. Two sets of extrusion wheels are respectively provided inside the wrinkle removal box, and two sets of limit plates are fixedly installed on the top and bottom of the inner wall of the wrinkle removal box. Limit motors are fixedly installed on the top and bottom of the wrinkle removal box, and transmission plates are slidably installed between the two sets of limit plates. The upper and lower ends of the two sets of transmission plates are respectively hinged with hinge rod 1 and hinge rod 2. This textile dryer flattens the wrinkles on the surface of the fabric by first squeezing the wheels, and then pulls the fabric through the drying box so that the high-temperature hot air fed from the bottom dries it. However, when this type of fabric dryer dries different fabrics, due to the different materials, thicknesses or water absorption rates of the fabrics, the time required for complete drying and dehydration and the action of hot air are also different. The traditional adjustment method can only reduce the fabric pulling speed or increase the power of the hot air blower to meet the fabric drying needs. However, when the fabric pulling speed is reduced, the efficiency of the entire fabric dyeing and drying line will decrease, which seriously restricts the production capacity bottleneck of the entire fabric dyeing and drying line. If the power of the hot air blower is increased, although the drying effect is guaranteed under the premise of ensuring the dyeing and drying efficiency, some special fabric materials are prone to deterioration when facing higher temperature hot air, resulting in a decline in product quality, and the energy consumption of the hot air blower during the drying process will also increase, resulting in an increase in drying costs. Therefore, in response to the above-mentioned shortcomings of existing textile fabric drying equipment, this application proposes a post-dyeing rapid dryer suitable for different fabrics to solve the above-mentioned technical problems. Summary of the Invention

[0004] The purpose of the present invention is to provide a quick post-dyeing dryer suitable for different fabrics, so that when used for the post-dyeing drying treatment of textile fabrics of different materials, thicknesses or water absorption rates, the radial movement of all air outlet boxes can be synchronously adjusted, and then under the action of the radial inner end pressure roller of the air outlet box, the fabric between two adjacent guide rollers is pushed to different distances from the center of the cylindrical drying box, thereby changing the length of the entire fabric inside the cylindrical drying box, and then changing the length of time it is dried by hot air. In addition, the hot air delivered from both sides of the air outlet box directly acts on the fabric, so that the dyed fabric can be dried quickly and evenly.

[0005] The present invention is achieved through the following technical solutions: A quick drying machine for dyed fabrics after dyeing, comprising a cylindrical drying box, a hot air supply device, and a negative pressure exhaust mechanism. The left end of the cylindrical drying box is provided with an inlet and outlet. The interior of the cylindrical drying box is provided with a plurality of guide rollers connected in a circular array and rotatably connected thereto. A lower inlet roller and an upper outlet roller are provided inside the cylindrical drying box near the inlet and outlet. An air outlet box which is arranged to move radially is provided between every two adjacent material guide rollers, and the cylindrical drying box is provided with an adjusting mechanism which drives all the air outlet boxes to move radially synchronously, and a pressing roller is rotatably provided at the radial inner end of the air outlet box, and oblique air outlets are provided on both sides of the air outlet box, and the radial outer end of the air outlet box is connected to an axial air supply pipe, and the end of the axial air supply pipe is connected to a radially arranged corrugated telescopic tube, and the periphery of the cylindrical drying box is provided with an arc main air duct connected to a hot air supply device, and the radial outer ends of all the corrugated telescopic tubes extending out of the cylindrical drying box are connected to the arc main air duct, and the negative pressure exhaust mechanism is arranged to extend to the center of the inner cavity of the cylindrical drying box.

[0006] As a further arrangement of the above scheme, the adjustment mechanism includes a driving disk which is concentrically arranged on the front end face of the cylindrical drying box, a rotating power assembly being connected to the driving disk, a rear side face of the driving disk being provided with an oblique slide corresponding to each air outlet box, a front end face of the cylindrical drying box being provided with a radial strip opening corresponding to each oblique slide groove, a rear end wall of the cylindrical drying box being provided with a radial slide groove aligned front and back with the radial strip opening, an end block which acts on the radial strip opening being fixed at the front end of the air outlet box, a guide column which acts on the oblique slide groove being provided on the end block, and a limiting slider which acts on the radial slide groove being provided at the rear end of the air outlet box.

[0007] As a further arrangement of the above scheme, a cam is provided at the center of the front end face of the cylindrical drying box, a power shaft rotatably connected to the cam is provided on the drive disk, the rotating power assembly includes a servo motor, and transmission wheels are provided on the motor shaft and the power shaft of the servo motor, and a transmission member is provided between the two transmission wheels.

[0008] As a further configuration of the above solution, the oblique air outlets provided on both side surfaces of the air outlet strip box are both inclined toward the interior of the cylindrical drying box.

[0009] As a further configuration of the above solution, a solenoid valve is provided at the connection position between the radial outer end of each of the corrugated expansion tubes and the arc main air duct, and the solenoid valve is electrically connected to the power distribution control box.

[0010] As a further arrangement of the above scheme, the negative pressure exhaust mechanism includes a negative pressure generator, the end of the negative pressure generator is connected to a filter box, the filter box is connected to a connecting pipe, the upper end of the connecting pipe is connected to an exhaust pipe extending axially to the center of the inner cavity of the cylindrical drying box, and a plurality of exhaust ports are evenly arranged on the outer circular surface of the exhaust pipe.

[0011] As a further configuration of the above solution, two vertical plates for fixing on the ground are provided on the front and rear sides of the bottom of the cylindrical drying box.

[0012] As a further configuration of the above solution, an operating opening is provided at the bottom of the cylindrical drying box for the convenience of workers to reach in, and an arc-shaped sealing cover is rotatably connected to the operating opening.

[0013] The disclosed post-dyeing rapid dryer, suitable for various fabrics, begins drying dyed fabrics by first pulling the extruded and dehydrated fabric into the inlet and outlet. Guided by the lower inlet roller, it passes around the periphery of all guide rollers in sequence before being pulled out of the inlet and outlet by the upper outlet roller. Next, an operator controls the adjustment mechanism based on the fabric's material, thickness, and water absorption rate, causing all air outlet cassettes to move radially inward by a set distance. During this radial inward movement, the pressing rollers at the radially inner ends of the air outlet cassettes press the fabric midsection between two adjacent guide rollers toward the center of the circle, thereby adjusting the total length of the fabric to be dried within the cylindrical drying box.

[0014] After these adjustments are complete, the fabric is pulled and moved at a constant speed at the set speed, while the hot air supply device and negative pressure generator are activated simultaneously. The high-temperature hot air generated by the hot air supply device is introduced into all the air outlet boxes through the arc main air duct and the corrugated expansion tube. The hot air is then discharged from the inclined outlets on both sides of the air outlet boxes and blown directly onto the fabric surface between the two guide rollers. Simultaneously, the negative pressure exhaust mechanism creates a negative pressure at the center of the cylindrical drying chamber, accelerating the extraction of the hot air directly through the fabric. This high-speed flow of hot air through the fabric quickly and completely dries the dyed fabric. Beneficial effects

[0015] When the rapid dryer disclosed in the present invention is used for drying different fabrics after dyeing, the operation of the adjustment mechanism can be controlled according to the material, thickness and water absorption rate of the fabrics. Under the driving action of the operation of the adjustment mechanism, all the air outlet boxes will move radially inward to a set distance, and the fabric between two adjacent guide rollers can be pressed to one side of the center of the circle through the action of the pressing roller at the radial inner end of the air outlet box, thereby adjusting the total length of the fabric inside the cylindrical drying box. Then, under the premise that the traction speed and the power of the hot air blower remain unchanged, the hot air drying time of different fabrics can be adjusted to ensure that all types of fabrics can be dried evenly, thereby ensuring the drying effect of the fabric after dyeing.

[0016] The hot air in this invention changes the traditional method of directly introducing high-temperature hot air from the bottom of the drying box. It uses corrugated telescopic tubes and axial air supply pipes to proportionally distribute the high-temperature hot air in the arc main air duct to each air outlet box. The high-temperature hot air is then discharged from the oblique air outlets on both sides of the air outlet box. The discharged high-temperature hot air directly acts on both sides of the fabric that has been pressed to be straight by the pressing roller. Combined with the continuous suction effect at the center of the cylindrical drying box, the high-temperature hot air directly acting on the fabric passes through the fabric, drying and evaporating the moisture in the fabric, thereby effectively improving the drying speed and drying uniformity of the fabric. In addition, the compact design of the entire cylindrical drying box and its internal structure can reduce the footprint of traditional box-type drying boxes and reduce the power loss of the hot air blower, which has the positive significance of energy conservation and emission reduction. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0018] Figure 1 This is a schematic diagram of the front three-dimensional structure of the present invention; Figure 2 It is a schematic diagram of the back three-dimensional structure of the present invention; Figure 3 This is a schematic diagram of the planar structure inside the cylindrical drying box of the present invention; Figure 4 This is a schematic diagram of the three-dimensional structure of the fabric after it has been acted upon by the introduction roller, the pressing roller, etc.; Figure 5 This is a schematic diagram of the three-dimensional structure of the front end of the cylindrical drying box in the present invention; Figure 6 It is a schematic diagram of the three-dimensional structure of the drive disc, rotating power assembly, etc. in the present invention; Figure 7It is a schematic diagram of the three-dimensional structure of the air outlet box, the pressing roller, etc. in the present invention. DETAILED DESCRIPTION

[0019] In order to enable those skilled in the art to better understand the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts should fall within the scope of protection of this application.

[0020] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of this application can be combined with each other. Figures 1 to 7 , and describes the application in detail with reference to embodiments. Example 1

[0021] Example 1 discloses a quick drying machine suitable for dyeing different fabrics. Figure 1 and attached Figure 2 The main body of the rapid dryer consists of a cylindrical drying box 1 fixed to the ground. Specifically, the drying box 1 is secured to the ground by two vertical panels 5 at the front and rear sides of the bottom. A hot air supply device 2 and a negative pressure exhaust mechanism 3 are located on the sides and rear of the drying box 1, respectively. A power distribution control box 4, which controls all electrical equipment, is located on the front side of the drying box 1.

[0022] Reference Attachment Figure 3 and attached Figure 4 A material inlet and outlet port 101 is provided at the left end of the cylindrical drying box 1. A plurality of guide rollers 102 are rotatably connected in a circular array within the cylindrical drying box 1. Specifically, the guide rollers 102 can be designed to be 6, 8, or 10 in number. Furthermore, a lower introduction roller 103 and an upper outlet roller 104 are provided within the cylindrical drying box 1 near the material inlet and outlet port 101. After the dyed fabric 100 enters the cylindrical drying box 1 through the material inlet and outlet port 101, it is guided by the lower introduction roller 103 and then, after passing through all the guide rollers 102 in sequence, is pulled out of the material inlet and outlet port 101 by the upper outlet roller 104.

[0023] Reference Attachment Figure 4 and attached Figure 7An air outlet box 105 is provided between each two adjacent guide rollers 102, and an air outlet oblique port 1051 inclined toward the inside of the cylindrical drying box 1 is provided on both side surfaces of the air outlet box 105. Then, a pressing roller 106 is rotatably connected to the radial inner end of the air outlet box 105, so that the pressing roller 106 can press the middle section of the fabric 100 between the two adjacent guide rollers 102 toward the center of the circle.

[0024] Connected to the radially outer end of each air outlet box 105 is an axial air supply duct 107 communicating with its interior. Connected to one end of each axial air supply duct 107 is a radially arranged bellows 108. The radially outer ends of the bellows 108 are then extended out of the cylindrical drying box 1. A solenoid valve 109 for flow control is also located at the radially outer end of the bellows 108. Finally, a circular arc main air duct 110 is installed outside the cylindrical drying box 1, connecting to the outer ends of all bellows 108. This arc main air duct 110 is concentrically arranged around the periphery of the cylindrical drying box 1, and its end is connected to the hot air supply device 2. The specific hot air supply device 2 preferably uses a multi-stage adjustable hot air blower, so that the high-temperature hot air generated by the hot air blower can be delivered to the arc main air duct 110, and then under the action of the solenoid valve 109, the high-temperature hot air is proportionally introduced into different corrugated telescopic tubes 108, and then enters the air outlet box 105 through the air outlet box 105, and finally is discharged from the air outlet oblique port 1051 on both sides of the air outlet box 105 so that it contacts the fabric 100 being pulled through.

[0025] Reference Attachment Figure 3 and attached Figure 5 The front end of the cylindrical drying box 1 is provided with a radial slot 111 aligned with each air outlet strip box 105, and the rear end wall of the cylindrical drying box 1 is provided with a radial slot 112 aligned with the radial slot 111. An end block 113 fixedly connected to the front end of the air outlet strip box 105 is slidably provided in each radial slot 111 (see attached Figure 7 ), the front end of the end block 113 is connected to a guide column 114 extending out of the cylindrical drying box 1, and at the same time, a limiting slider matching the radial slide groove 112 is fixedly connected to the rear end of each air outlet box 105.

[0026] Reference Attachment Figure 5 and attached Figure 6A protruding shaft 115 is provided at the center of the front end of the cylindrical drying box 1. A drive disc 116 is rotatably connected to the protruding shaft 115. A diagonal chute 117 is provided on the end face of the drive disc 116 facing the cylindrical drying box 1, interacting with each guide post 114. In the specific design, multiple diagonal chute 117 are evenly arranged circumferentially around the drive disc 116 and aligned with each air outlet strip box 105. One end of each diagonal chute 117 is located near the outer edge of the drive disc 116, while the other end is located near the center of the drive disc 116. Finally, a rotating power assembly is connected to a power shaft 118 protruding from the center of the drive disc 116. This rotating power assembly includes a fixed servo motor 119. A transmission wheel 120 is provided on both the motor shaft of the servo motor 119 and the power shaft 118. A transmission member 121 is provided between the two transmission wheels 120.

[0027] Reference Attachment Figure 2 The negative pressure exhaust mechanism 3 includes a negative pressure generator 301, which can be a vacuum pump or a negative pressure fan. A filter box 302 is connected to the end of the negative pressure generator 301, and a connecting pipe 303 is connected to the filter box 302. The upper end of the connecting pipe 303 is connected to an exhaust pipe 304 that extends axially to the center of the inner cavity of the cylindrical drying box 1, and a plurality of exhaust ports are evenly arranged on the outer surface of the exhaust pipe 304, so that under the action of the negative pressure generator 301, the surrounding area centered on the exhaust pipe 304 can be in a negative pressure state.

[0028] Finally, it should be noted that the cylindrical drying box 1 in this embodiment 1 is also provided with an operating opening (not shown in the figure) at its bottom for the operator to reach in, and an arc-shaped sealing cover is rotatably connected to the operating opening, so that when the dryer is started, the operator can enter the interior of the cylindrical drying box 1 and then pull the dyed fabric 100 through the lower introduction roller 103, all the guide rollers 102 and the upper outlet roller 104 in sequence.

[0029] When the rapid dryer disclosed in this embodiment 1 is used to dry the dyed fabric 100, the fabric 100 after extrusion and dehydration is pulled into the inlet and outlet 101, guided by the lower introduction roller 103, and then passes around the periphery of all the guide rollers 102 in sequence, and then is pulled out of the inlet and outlet 101 under the guidance of the upper outlet roller 104.

[0030] Next, based on the material and thickness of the fabric to be dried, as well as its moisture content after extrusion and dehydration, the controller inside the power distribution control box 4 controls the servo motor 119 to rotate to a corresponding angle. During the rotation of the servo motor 119, the driving disc 116 is rotated about the cam 115 by a set angle under the action of the transmission member 121. During the rotation of the driving disc 116, the oblique groove 117 on its end surface acts on the guide post 114, causing the end block 113 to move radially inward along the radial strip opening 111 by a certain distance. The movement of the end block 113 causes all the air outlet strip boxes 105 to move radially inward. Then, the pressing roller 106 on the air outlet strip boxes 105 presses the middle section of the fabric 100 between two adjacent guide rollers 102 toward the center of the circle, thereby adjusting the total length of the fabric 100 to be dried within the cylindrical drying box 1.

[0031] After the total length of the fabric 100 inside the cylindrical drying box 1 is adjusted, the fabric 100 is pulled and moved at a set speed at a uniform speed, and the hot air supply device 2 and the negative pressure generator 301 are started at the same time. The high-temperature hot air generated by the hot air supply device 2 will pass through the arc main air duct 110, and then pass through the flow regulation function of the electromagnetic valve 109, so that the high-temperature hot air can be introduced into all the air outlet boxes 105 according to the corresponding proportion. When adjusting the specific flow rate, more high-temperature hot air can be introduced into the air outlet boxes 105 on the side close to the lower introduction roller 103, and the amount of high-temperature hot air introduced into the air outlet boxes 105 farther away from the lower introduction roller 103 will be less. Then the high-temperature hot air will be discharged from the oblique air outlets 1051 on both sides of the air outlet boxes 105 and blown directly onto the surface of the fabric 100 between the two guide rollers 102 (refer to the attached figure). Figure 3 ).

[0032] At the same time, under the action of the negative pressure generator 301, the inside of the exhaust pipe 304 will continue to exhaust air, so that a negative pressure is formed around the exhaust pipe 304. Under the action of the negative pressure, the high-temperature hot air blowing toward the fabric 100 will be accelerated to pass through the fabric 100, and then take away the moisture in the dye so that the dyed fabric can be fixed. Finally, the mixed gas of the hot air and water vapor drawn in will enter the filter box 302 for filtration and then be discharged into the environment.

[0033] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A quick drying machine suitable for dyeing different fabrics, comprising a cylindrical drying box, a hot air supply device and a negative pressure exhaust mechanism, characterized in that: The left end of the cylindrical drying box is provided with an inlet and outlet, and the interior of the cylindrical drying box is provided with a plurality of guide rollers connected in a circular array for rotation, and a lower introduction roller and an upper outlet roller are provided inside the cylindrical drying box near the inlet and outlet; An air outlet box which is arranged to move radially is provided between every two adjacent material guide rollers, and the cylindrical drying box is provided with an adjusting mechanism which drives all the air outlet boxes to move radially synchronously, and a pressing roller is rotatably provided at the radial inner end of the air outlet box, and oblique air outlets are provided on both sides of the air outlet box, and the radial outer end of the air outlet box is connected to an axial air supply pipe, and the end of the axial air supply pipe is connected to a radially arranged corrugated telescopic tube, and the periphery of the cylindrical drying box is provided with an arc main air duct connected to a hot air supply device, and the radial outer ends of all the corrugated telescopic tubes extending out of the cylindrical drying box are connected to the arc main air duct, and the negative pressure exhaust mechanism is arranged to extend to the center of the inner cavity of the cylindrical drying box.

2. The quick drying machine for dyeing different fabrics according to claim 1, characterized in that: The adjusting mechanism includes a driving disk which is coaxially arranged on the front end face of the cylindrical drying box, a rotating power assembly is connected to the driving disk, a rear side face of the driving disk is provided with an oblique slide corresponding to each air outlet box, the front end face of the cylindrical drying box is provided with a radial strip opening corresponding to each oblique slide groove, a radial slide groove which is aligned with the radial strip opening front and back is provided on the rear end wall of the cylindrical drying box, an end block which acts on the radial strip opening is fixed at the front end of the air outlet box, a guide column which acts on the oblique slide groove is provided on the end block, and a limiting slider which acts on the radial slide groove is provided at the rear end of the air outlet box.

3. The quick drying machine for dyeing different fabrics according to claim 2, characterized in that: A cam is provided at the center of the front end surface of the cylindrical drying box, a power shaft rotatably connected to the cam is provided on the driving disc, the rotating power assembly includes a servo motor, and transmission wheels are provided on the motor shaft and the power shaft of the servo motor, and a transmission member is provided between the two transmission wheels.

4. The quick drying machine for dyeing different fabrics according to claim 1, characterized in that: The oblique air outlets on both side surfaces of the air outlet strip box are both inclined toward the interior of the cylindrical drying box.

5. The quick drying machine for dyeing different fabrics according to claim 1, characterized in that: A solenoid valve is provided at the connection position between the radial outer end of each corrugated expansion pipe and the arc main air duct, and the solenoid valve is electrically connected to the power distribution control box.

6. The quick drying machine for dyeing different fabrics according to claim 1, characterized in that: The negative pressure exhaust mechanism includes a negative pressure generator, the end of the negative pressure generator is connected to a filter box, the filter box is connected to a connecting pipe, the upper end of the connecting pipe is connected to an exhaust pipe extending axially to the center of the inner cavity of the cylindrical drying box, and a plurality of exhaust ports are evenly arranged on the outer circular surface of the exhaust pipe.

7. The quick drying machine for dyeing different fabrics according to claim 1, characterized in that: Two vertical plates for fixing on the ground are provided on both the front and rear sides of the bottom of the cylindrical drying box.

8. The quick drying machine for dyeing different fabrics according to claim 7, characterized in that: An operating opening is provided at the bottom of the cylindrical drying box for the convenience of workers to insert their bodies into, and an arc-shaped sealing cover is rotatably connected to the operating opening.

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