Down feather drying device and drying method

Abstract

The down feather drying device comprises a main body, a down feather taking hopper, a processing face, dewatering rollers and a hot air box, a separating and combining device is arranged at the top of the processing face, the two dewatering rollers are correspondingly installed on the inner side of the separating and combining device, the separating and combining device comprises two installation frames, the two installation frames are correspondingly arranged on the processing face, and the two installation frames are arranged on the processing face. A right-angle groove is formed in the mounting frame, a moving part is slidably connected to the interior of the right-angle groove, a second motor is mounted on one side of the mounting frame, an output shaft of the motor is connected with a screw rod, the screw rod is matched with the moving part, a first motor is mounted on the main body, and a first synchronous wheel is connected to the outer side of an output shaft of the first motor in a sleeving mode; wherein one dewatering roller is movably mounted between the two moving parts through a bearing, the other dewatering roller is movably mounted between the two mounting frames through a bearing, and the drying device has the advantages of being good in drying effect and capable of achieving layered drying.

Description

Technical Field

[0001] The invention relates to the technical field of down processing, in particular to a down drying device and a down drying method. Background Art

[0002] Down drying device is a kind of drying equipment specially used for down products. It is mainly used to remove moisture from down to restore it to a fluffy and soft state. The device is usually composed of components such as heaters and fans. It heats air and blows it into the container containing down products to accelerate the evaporation and discharge of moisture.

[0003] Down products tend to form clumps when wet, and it is difficult for moisture to evaporate from the clumps. If they are not rolled, the moisture in the clumps will be difficult to be blown away by hot air, resulting in poor drying effect and poor practicality. Therefore, it is necessary to design a down drying device and drying method with good drying effect and layered drying. Summary of the invention

[0004] The object of the present invention is to provide a down drying device and a down drying method to solve the problems raised in the above background technology.

[0005] In order to solve the above technical problems, the present invention provides the following technical solutions: a down drying device and a down drying method, comprising a main body, a down taking bucket, a processing surface, a dehydration roller and a hot air box, a separation and combination device is provided on the top of the processing surface, and the two dehydration rollers are correspondingly installed on the inner side of the separation and combination device.

[0006] Furthermore, the separation and combination device includes a mounting frame, two of the mounting frames are correspondingly arranged on the processing surface, a right-angle groove is opened inside the mounting frame, a moving part is slidably connected inside the right-angle groove, a motor 2 is installed on one side of the mounting frame, the output shaft of the motor is connected to a screw, the screw cooperates with the moving part, the main body is installed with a motor 1, the output shaft outer sleeve of the motor 1 is connected with a synchronous wheel 1, one of the dehydration rollers is movably installed between the two moving parts through a bearing, and one end of the dehydration roller is sleeved with a synchronous wheel 2, the other dehydration roller is movably installed between the two mounting frames through a bearing, and is connected to the motor 1 through a coupling, and a drying device is arranged on the outside of the two dehydration rollers.

[0007] Furthermore, the drying device includes a circular rotating part and a screw nut pair, the circular rotating part is connected to the screw nut pair through a thrust bearing, the outer circumferential surface of the circular rotating part is evenly provided with a friction transmission part, a translation surface is fixed on one side of the screw nut pair by welding, a motor three is arranged on the translation surface, a small driving wheel is movably mounted on the translation surface through a bearing frame, the small driving wheel is meshed with the friction transmission part, the motor three is connected to the small driving wheel through a belt drive, a sliding column is slidably connected to one side of the screw nut pair, one of the sliding columns is fixed to the mounting frame by welding, and the other sliding column is fixed to the moving part by welding, a ball screw is screwed on one side of the screw nut pair, one of the ball screws is movably connected to the mounting frame by a bearing, and the other ball screw is movably connected to the moving part by a bearing, one end of the ball screw is connected to motor five by a coupling, and an electric heating head is evenly arranged on the inner ring of the circular rotating part.

[0008] Furthermore, a bearing frame is installed inside the circular rotating part, and an annular friction part is slidably connected to one side of the bearing frame. The inner ring of the annular friction part is evenly opened with an inner transmission part obliquely upward, and one side of the annular friction part is evenly opened with an outer transmission part obliquely upward. A fixed shaft at one end of the electric heating head passes through the inner ring of the circular rotating part and is connected to a spin transmission part, which is meshed with the inner transmission part. A motor four is fixedly installed on one side of the circular rotating part, and the output shaft of the motor four is connected to an output transmission part, which is meshed with the outer transmission part.

[0009] Furthermore, circular dehydration holes are evenly arranged on the outside of the dehydration roller, and a splicing body is correspondingly arranged on the outside of the dehydration roller. The two splicing bodies are fixed to each other by bolts, and the inner diameter of the splicing body is equal to the outer diameter of the dehydration roller. Square dehydration holes are evenly arranged on the outside of the splicing body, and the positions of the square dehydration holes correspond one to one to the circular dehydration holes. An interlocking block extends inward from the bottom of the circular dehydration hole, and the interlocking block contacts the inner wall of the circular dehydration hole.

[0010] Furthermore, the circular dehydration hole and the square dehydration hole have a shape of one of a circle, a rectangle and an ellipse, and the shape of the mosaic block is the same as that of the circular dehydration hole.

[0011] Furthermore, the output shafts of motor one, motor two, motor three, motor five and motor four are all electrically connected to an external power supply and a controller.

[0012] Furthermore, the number of the electric heating heads is the same as the number of the circular dehydration holes on the same circumferential surface, and the diameter of the electric heating head is smaller than the diameter of the circular dehydration holes and the square dehydration holes.

[0013] A drying method of a down drying device comprises the following specific steps:

[0014] S1, adjust the axis distance;

[0015] S2, extrusion lamination dewatering roller;

[0016] S3, drying the embedded down;

[0017] S4. Down shape adjustment.

[0018] In the above step S1, the specific method of adjusting the axis is: starting the second motor, the screw rotates and drives the moving part to move, and the two dehydration rollers are separated so that the drying devices can move freely without colliding with each other;

[0019] In the above step S2, specifically, when adapting to dehydration rollers with different outer diameters, the synchronous wheel 2 and the synchronous wheel 1 with the same modulus but different sizes are replaced so that they can mesh with each other. When working, the motor 1 directly drives one dehydration roller to rotate, and drives the other dehydration roller to rotate through the synchronous wheel 1, and the two squeeze and squeeze the down into small pieces.

[0020] In the above step S3, specifically, the motor 5 is started, and its output shaft drives the ball screw to rotate, changing the horizontal position of the circular rotating part and the screw nut pair, and the motor 3 is started at the same time, which drives the circular rotating part and the screw nut pair to rotate relative to each other through the engagement of the small driving wheel with the friction transmission part, so that each electric heating head and the dehydration roller perform relative rotation and translation motion, thereby removing the blocky down remaining on the dehydration roller;

[0021] In the above step S4, specifically, the desired square dehydration hole-shaped assembly is replaced. During operation, the assembly on the two dehydration rollers is in contact. The semicircular shape is more convenient for disassembly and assembly. The interlocking block is used to prevent the dehydration roller from separating from the assembly during operation.

[0022] Compared with the prior art, the beneficial effects achieved by the present invention are as follows: the present invention can reduce the gaps between each small block by rolling the down products into compact small blocks, thereby increasing the coverage area of ​​the hot air on the down, and drying the moisture more effectively. In addition, rolling can also make it easier for the down products to be heated evenly during the drying process, avoiding local overheating or underheating. By providing a drying device, utilizing the slow rotation of the electric heating head itself and the rotation and translation of the circular rotating part around the dehydration roller, the block down in each slot can be dried with high precision, and the drying is carried out automatically without manpower, and the drying effect is good. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0024] Figure 1It is a schematic diagram of the overall structure of the present invention;

[0025] Figure 2 It is a schematic structural diagram of a drying device of the present invention;

[0026] Figure 3 It is a schematic diagram of the top view of the separation and combination device of the present invention;

[0027] Figure 4 It is a front cross-sectional structural schematic diagram of the circular rotating part of the present invention;

[0028] Figure 5 It is a schematic diagram of the installation of the annular friction part and the bearing frame of the present invention;

[0029] Figure 6 It is an exploded view of the dewatering roller and the combined body of the present invention;

[0030] Figure 7 It is a schematic diagram of the installation of the cylindrical protrusion and the circular dehydration hole of the present invention;

[0031] In the figure: 1, main body; 11, feather and down taking bucket; 12, processing surface; 2, separation and combination device; 3, drying device; 4, dehydration roller; 5, hot air box; 21, motor 1; 211, synchronous wheel 1; 22, mounting frame; 221, right angle groove; 222, moving part; 223, motor 2; 2231, screw; 224, synchronous wheel 2; 31, circular rotating part; 311, friction transmission part; 312, electric heating head; 313, ring Friction part; 3131, external transmission part; 3132, internal transmission part; 314, spin transmission part; 315, bearing frame; 32, screw nut pair; 321, translation surface; 33, small driving wheel; 34, motor three; 35, motor four; 351, output transmission part; 36, motor five; 361, ball screw; 37, sliding column; 41, circular dehydration hole; 42, assembly body; 421, square dehydration hole; 422, fitting block. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions 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 of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0033] See also Figure 1The present invention provides a technical solution: a down drying device and a drying method, comprising a main body 1, a down taking bucket 11, a processing surface 12, a dehydration roller 4 and a hot air box 5, a separation and combination device 2 is arranged on the top of the processing surface 12, two dehydration rollers 4 are correspondingly installed on the inner side of the separation and combination device 2, wherein the down taking bucket 11 is used to receive the block down sent by the dehydration roller 4, and the separation and combination device 2 is used to adjust the axial distance between the two dehydration rollers 4, and is suitable for dehydration rollers 4 with different diameters;

[0034] like Figure 1 and Figure 3 The splitting and combining device 2 includes a mounting frame 22, and the two mounting frames 22 are correspondingly arranged on the processing surface 12. A right-angle groove 221 is opened inside the mounting frame 22, and a moving part 333 is slidably connected inside the right-angle groove 221. A motor 223 is installed on one side of the mounting frame 22, and the output shaft of the motor 223 is connected to a screw 2231, and the screw 2231 cooperates with the moving part 333. The main body 1 is installed with a motor 21, and the output shaft of the motor 21 is connected with a synchronous wheel 211. One of the dehydration rollers 4 is movably installed between the two moving parts 222 through a bearing, and one end of the dehydration roller 4 is sleeved with a synchronous wheel 224. The other dehydration roller 4 is movably installed between the two mounting frames 22 through a bearing, and is connected to the motor 1. 21 is connected by a coupling, and a drying device 3 is arranged outside the two dehydration rollers 4. When the distance between the two dehydration rollers 4 needs to be adjusted, the motor 223 is started, the screw 2231 rotates and drives the moving part 222 to move, and the two dehydration rollers 4 are separated so that the drying device 3 can move freely without colliding with each other, which is convenient for drying. After the drying is completed, the two dehydration rollers 4 are made to fit each other. When adapting to dehydration rollers 4 with different outer diameters, the synchronous wheel 224 and the synchronous wheel 1 211 with the same modulus but different sizes are replaced so that they can mesh with each other. When working, the motor 1 21 directly drives one dehydration roller 4 to rotate, and drives the other dehydration roller 4 to rotate through the synchronous wheel 1 211, and the two squeeze and squeeze the down into small pieces;

[0035] By pressing the down products into compact small pieces, the gaps between each small piece can be reduced, increasing the coverage area of ​​the down by hot air, thus drying out the moisture more effectively.

[0036] like Figure 1-4The drying device 3 includes a circular rotating part 31 and a screw nut pair 32. The circular rotating part 31 is connected to the screw nut pair 32 through a thrust bearing. The outer peripheral surface of the circular rotating part 31 is evenly provided with a friction transmission part 311. A translation surface 321 is fixed on one side of the screw nut pair 32 by welding. A motor three 34 is arranged on the translation surface 321. A small driving wheel 33 is movably installed on the translation surface 321 through a bearing frame. The small driving wheel 33 is meshed with the friction transmission part 311. The motor three 34 is connected to the small driving wheel 33 through a belt drive. A sliding column 37 is slidably connected to one side of the screw nut pair 32. One of the sliding columns 37 is fixed to the mounting frame 22 by welding, and the other sliding column 37 is fixed to the moving part 222 by welding. A ball bearing is screwed on one side of the screw nut pair 32 The screw rod 361, one of which is movably connected to the mounting frame 22 through a bearing, and the other ball screw rod 361 is movably connected to the moving part 222 through a bearing, one end of the ball screw rod 361 is connected to the motor 5 36 through a coupling, and the inner ring of the circular rotating part 31 is evenly provided with electric heating heads 312. When drying starts, the motor 5 36 is started, and its output shaft drives the ball screw rod 361 to rotate, changing the horizontal position of the circular rotating part 31 and the screw nut pair 32. At the same time, the motor 34 is started, which drives the circular rotating part 31 and the screw nut pair 32 to rotate relative to each other through the small driving wheel 33 and the friction transmission part 311. The relative rotation and translation movement of each electric heating head 312 and the dehydration roller 4 removes the block down remaining on the dehydration roller 4;

[0037] The power of each electric heating head 312 is inconsistent. By rotating the position of each electric heating head 312, the electric heating heads 312 of different powers can alternately dry the block-shaped down, thereby achieving a gradual layered drying effect.

[0038] like Figure 4-6A bearing frame 315 is installed inside the circular rotating part 31, and an annular friction part 313 is slidably connected to one side of the bearing frame 315. An inner transmission part 3132 is evenly opened on the inner ring of the annular friction part 313, and an outer transmission part 3131 is evenly opened on one side of the annular friction part 313. A fixed shaft at one end of the electric heating head 312 passes through the inner ring of the circular rotating part 31 and is connected to a spin transmission part 314. The spin transmission part 314 is meshed with the inner transmission part 3132. A motor 4 35 is fixedly installed on one side of the circular rotating part 31, and the output shaft of the motor 4 35 is connected to the output transmission part 3131. 51, the output transmission part 351 is meshed with the outer transmission part 3131. When drying starts, the motor 35 is started, and its output shaft drives the annular friction part 313 to rotate through the meshing of the output transmission part 351 and the outer transmission part 3131. At this time, the inner transmission part 3132 on the inner ring rotates, and drives the electric heating head 312 to rotate itself through the spin transmission part 314. The hot air box 5 is preferably set to perform large rotation of the translation and circular rotating part 31 in sections, while the small rotation of the electric heating head 312 is continuously performed, and the electric heating head 312 and the dehydration roller 4 are dried in a one-to-one corresponding position, so that the drying is more thorough;

[0039] like Figure 6 and Figure 7 , circular dehydration holes 41 are evenly provided on the outside of the dehydration roller 4, and a splicing body 42 is correspondingly provided on the outside of the dehydration roller 4. The two splicing bodies 42 are fixed to each other by bolts, and the inner diameter of the splicing body 42 is equal to the outer diameter of the dehydration roller 4. Square dehydration holes 421 are evenly provided on the outside of the splicing body 42, and the positions of the square dehydration holes 421 and the circular dehydration holes 41 correspond one to one. A chimeric block 422 extends inward from the bottom of the circular dehydration hole 41, and the chimeric block 422 contacts the inner wall of the circular dehydration hole 41. When the final shape of the desired block-shaped down is changed, the splicing body 42 of the desired square dehydration hole 421 shape is replaced. When working, the splicing bodies 42 on the two dehydration rollers 4 are in contact, and the semicircular shape is more convenient for disassembly and assembly. The chimeric block 422 is used to prevent the dehydration roller 4 from separating from the splicing body 42 during work;

[0040] like Figure 6 and Figure 7 The circular dehydration holes 41 and the square dehydration holes 421 are in one of a circular, rectangular and elliptical shape, and the shape of the engaging block 422 is the same as that of the circular dehydration holes 41. The circular dehydration holes 41 and the square dehydration holes 421 of various shapes are used to extrude and form block-shaped down feathers of different shapes, thereby forming circular, rectangular and elliptical block-shaped down feather particles;

[0041] like Figure 1-4The output shafts of motor 1 21, motor 2 223, motor 3 34, motor 5 36 and motor 4 35 are all electrically connected to an external power supply and a controller. The hot air box 5 preferably adopts the SPC-SFMC-X2214A model. The hot air box 5 is used for the final drying of the fallen finished products.

[0042] like Figure 4 and Figure 6 The number of the electric heating heads 312 is the same as the number of the circular dehydration holes 41 on the same circumferential surface, and the diameter of the electric heating heads 312 is smaller than the diameter of the circular dehydration holes 41 and the square dehydration holes 421. The electric heating heads 312 can be aligned with the circular dehydration holes 41 or the square dehydration holes 421, and the drying can be carried out comprehensively without dead corners by rotating the bottom of the drying tank.

[0043] The specific steps include:

[0044] S1, adjust the axis distance;

[0045] S2, extrusion lamination dewatering roller;

[0046] S3, drying the embedded down;

[0047] S4, down shape adjustment;

[0048] In the above step S1, the specific method of adjusting the axis is: starting the second motor 223, the screw 2231 rotates and drives the moving part 222 to move, separating the two dehydration rollers 4 so that the drying device 3 can move freely without colliding with each other;

[0049] In the above step S2, specifically, when adapting to dehydration rollers 4 with different outer diameters, the second synchronous wheel 224 and the first synchronous wheel 211 with the same modulus but different sizes are replaced so that they can mesh with each other. When working, the motor 1 21 directly drives one dehydration roller 4 to rotate, and drives the other dehydration roller 4 to rotate through the first synchronous wheel 211, and the two squeeze and squeeze the down into small pieces.

[0050] In the above step S3, specifically, the motor 5 36 is started, and its output shaft drives the ball screw 361 to rotate, changing the horizontal position of the circular rotating part 31 and the screw nut pair 32, and the motor 34 is started at the same time, which drives the circular rotating part 31 and the screw nut pair 32 to rotate relative to each other through the engagement of the small driving wheel 33 with the friction transmission part 311, so that each electric heating head 312 and the dehydration roller 4 perform relative rotational motion and translational motion, thereby removing the blocky down remaining on the dehydration roller 4;

[0051] In the above step S4, specifically, the desired square dehydration hole 421-shaped assembly 42 is replaced. When working, the assembly 42 on the two dehydration rollers 4 are in contact. The semicircular shape is more convenient for disassembly and assembly. The interlocking block 422 is used to prevent the dehydration roller 4 from separating from the assembly 42 during work.

[0052] Embodiment: When the down is squeezed into small pieces by the use of the present invention, the down taking bucket 11 is used to receive the block down sent by the dehydration roller 4, and the separation and combination device 2 is used to adjust the axial distance between the two dehydration rollers 4, which is suitable for dehydration rollers 4 with different diameters; when it is necessary to adjust the distance between the two dehydration rollers 4, the motor 223 is started, the screw 2231 rotates and drives the moving part 222 to move, and the two dehydration rollers 4 are separated so that the drying device 3 can move freely without colliding with each other, which is convenient for drying. After the drying is completed, the two dehydration rollers 4 are made to fit each other. When adapting to dehydration rollers 4 with different outer diameters, the same module but different sizes are replaced. Step wheel 224 and synchronous wheel 1 211 are meshed with each other. When working, motor 1 21 directly drives one dehydration roller 4 to rotate, and drives another dehydration roller 4 to rotate through synchronous wheel 1 211, and the two squeeze and squeeze the down into small pieces; when drying starts, start motor 5 36, and its output shaft drives the ball screw 361 to rotate, changing the horizontal position of the circular rotating part 31 and the screw nut pair 32, and start motor 34 at the same time, which drives the circular rotating part 31 and the screw nut pair 32 to rotate relative to each other through the small driving wheel 33 and the friction transmission part 311, so that each electric heating head 312 and the dehydration roller 4 The relative rotation and translation movement removes the block down remaining on the dehydration roller 4, making the drying more three-dimensional and saving manpower; when the drying starts, the motor 4 35 is started, and its output shaft drives the annular friction part 313 to rotate through the meshing of the output transmission part 351 and the external transmission part 3131. At this time, the inner transmission part 3132 on the inner ring rotates, and drives the electric heating head 312 to rotate itself through the spin transmission part 314. The hot air box 5 is preferably set to the large rotation of the translation and circular rotating part 31 in sections, while the small rotation of the electric heating head 312 is carried out continuously. The drying is focused on the position to make the drying more thorough; when the desired block down shape is changed, the desired square dehydration hole 421 shape of the combined body 42 is replaced. The combined bodies 42 on the two dehydration rollers 4 are in contact during operation, and the semicircular shape is more convenient for disassembly and assembly. The interlocking block 422 is used to prevent the dehydration roller 4 from separating from the combined body 42 during operation; the circular dehydration holes 41 and the square dehydration holes 421 of various shapes are used to extrude block down of different shapes, thereby forming circular, rectangular and elliptical block down particles; the electric heating head 312 can be aligned with the circular dehydration holes 41 or the square dehydration holes 421, and the drying is comprehensive without dead corners.

[0053] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0054] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A down drying device, comprising a main body (1), a down taking bucket (11), a processing surface (12), a dehydration roller (4) and a hot air box (5), characterized in that: A separation and combination device (2) is provided on the top of the processing surface (12), and the two dewatering rollers (4) are correspondingly installed on the inner side of the separation and combination device (2).

2. A down drying device according to claim 1, characterized in that: The splitting and combining device (2) comprises a mounting frame (22), wherein two mounting frames (22) are correspondingly arranged on the processing surface (12), wherein a right-angle groove (221) is provided inside the mounting frame (22), wherein a moving part (333) is slidably connected inside the right-angle groove (221), wherein a second motor (223) is installed on one side of the mounting frame (22), wherein an output shaft of the motor (223) is connected to a screw rod (2231), wherein the screw rod (2231) cooperates with the moving part (333), and The main body (1) is installed with a motor 1 (21), and the output shaft of the motor 1 (21) is connected with a synchronous wheel 1 (211). One of the dehydration rollers (4) is movably installed between two moving parts (222) through a bearing, and one end of the dehydration roller is connected with a synchronous wheel 2 (224). The other dehydration roller (4) is movably installed between two mounting frames (22) through a bearing, and is connected to the motor 1 (21) through a coupling. The outside of the two dehydration rollers (4) is provided with a drying device (3).

3. A down drying device according to claim 2, characterized in that: The drying device (3) comprises a circular rotating part (31) and a screw nut pair (32), wherein the circular rotating part (31) and the screw nut pair (32) are connected via a thrust bearing, a friction transmission part (311) is evenly provided on the outer peripheral surface of the circular rotating part (31), a translation surface (321) is fixed on one side of the screw nut pair (32) by welding, a motor three (34) is provided on the translation surface (321), a small driving wheel (33) is movably mounted on the translation surface (321) via a bearing frame, the small driving wheel (33) is meshed with the friction transmission part (311), the motor three (34) and the small driving wheel (33) are connected via a belt drive, the screw A sliding column (37) is slidably connected to one side of the nut pair (32), one of the sliding columns (37) is fixed to the mounting frame (22) by welding, and the other sliding column (37) is fixed to the moving part (222) by welding. A ball screw (361) is threadedly connected to one side of the screw nut pair (32), one of the ball screws (361) is movably connected to the mounting frame (22) by a bearing, and the other ball screw (361) is movably connected to the moving part (222) by a bearing. One end of the ball screw (361) is connected to the motor five (36) by a coupling, and the inner ring of the circular rotating part (31) is evenly provided with electric heating heads (312).

4. A down drying device according to claim 3, characterized in that: A bearing frame (315) is installed inside the circular rotating part (31), and an annular friction part (313) is slidably connected to one side of the bearing frame (315). An inner transmission part (3132) is evenly opened on the inner ring of the annular friction part (313) and an outer transmission part (3131) is evenly opened on one side of the annular friction part (313). A fixed shaft at one end of the electric heating head (312) passes through the inner ring of the circular rotating part (31) and is connected to a self-spinning transmission part (314). The self-spinning transmission part (314) is meshed with the inner transmission part (3132). A motor four (35) is fixedly installed on one side of the circular rotating part (31), and the output shaft of the motor four (35) is connected to an output transmission part (351), and the output transmission part (351) is meshed with the outer transmission part (3131).

5. A down drying device according to claim 2, characterized in that: The dehydration roller (4) is evenly provided with circular dehydration holes (41) on its outside, and a splicing body (42) is correspondingly provided on the outside of the dehydration roller (4). The two splicing bodies (42) are fixed to each other by bolts, and the inner diameter of the splicing body (42) is equal to the outer diameter of the dehydration roller (4). The splicing body (42) is evenly provided with square dehydration holes (421) on its outside, and the positions of the square dehydration holes (421) and the circular dehydration holes (41) correspond one to one. A fitting block (422) extends inwardly from the bottom of the circular dehydration hole (41), and the fitting block (422) contacts the inner wall of the circular dehydration hole (41).

6. A down drying device according to claim 5, characterized in that: The circular dehydration hole (41) and the square dehydration hole (421) are in the shape of one of a circle, a rectangle and an ellipse, and the shape of the engaging block (422) is the same as that of the circular dehydration hole (41).

7. A down drying device according to claim 4, characterized in that: The output shafts of the motor one (21), motor two (223), motor three (34), motor five (36) and motor four (35) are all electrically connected to an external power supply and a controller.

8. A down drying device according to claim 5, characterized in that: The number of the electric heating heads (312) is the same as the number of the circular dehydration holes (41) on the same circumferential surface.

9. A drying method for a down drying device, characterized in that: The specific steps include: S1, adjust the axis distance; S2, extrusion lamination dehydration roller; S3, drying the embedded down; S4. Down shape adjustment.

10. A drying method for a down drying device, characterized in that : In the above step S1, the specific method of adjusting the axis is: starting the second motor (223), the screw (2231) rotates and drives the moving part (222) to move, separating the two dehydration rollers (4) so ​​that the drying device (3) can move freely without colliding with each other; In the above step S2, specifically, when adapting to dewatering rollers (4) with different outer diameters, the second synchronous wheel (224) and the first synchronous wheel (211) with the same modulus but different sizes are replaced so that they can mesh with each other. When working, the first motor (21) directly drives one dewatering roller (4) to rotate, and drives the other dewatering roller (4) to rotate through the first synchronous wheel (211), and the two squeeze and squeeze the down into small pieces. In the above step S3, specifically, the motor five (36) is started, and its output shaft drives the ball screw (361) to rotate, thereby changing the horizontal position of the circular rotating part (31) and the screw nut pair (32). At the same time, the motor three (34) is started, which drives the circular rotating part (31) and the screw nut pair (32) to rotate relative to each other through the engagement of the small driving wheel (33) and the friction transmission part (311), so that each electric heating head (312) and the dehydration roller (4) can rotate relative to each other and move in translation, thereby removing the blocky down remaining on the dehydration roller (4); In the above step S4, specifically, the desired square dehydration hole (421) shape of the combined body (42) is replaced. When working, the combined bodies (42) on the two dehydration rollers (4) are in contact with each other. The semicircular shape is more convenient for disassembly and assembly. The interlocking block (422) is used to prevent the dehydration roller (4) and the combined body (42) from being separated during work.

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