Polyester waste processing device and use method thereof

Abstract

The present invention relates to the technical field of polyester waste treatment, and in particular to a polyester waste treatment device and a method for using the same. The polyester waste treatment device comprises a cylindrical shell, the upper part of the shell is connected to a feed bin, the lower part is connected to a collection bin, a crushing pair of rollers and a feeding mechanism are arranged inside, and a driving mechanism for driving the crushing pair of rollers and the feeding mechanism to rotate is arranged outside, a discharge port is arranged at the bottom of the shell, a circular arc filter screen coaxial with the shell is arranged on the discharge port, and the feeding mechanism comprises two rotating rings and a plurality of baffles equidistantly arranged between the two rotating rings, the two rotating rings are coaxial with the shell and rotatably arranged at both ends of the shell, and the radial outer side of the baffle is close to the circumferential inner wall of the shell. The present invention has a compact structure, small footprint, high crushing efficiency, good filtering stability, can automatically cyclically crush polyester waste, reduces the labor intensity of workers, and improves production efficiency.

Description

Technical Field

[0001] The present invention relates to the technical field of polyester waste treatment, and in particular to a polyester waste treatment device and a use method thereof. Background Art

[0002] Polyester fiber, commonly known as "polyester", is a synthetic fiber obtained by spinning polyester formed by the polycondensation of organic dibasic acid and diol, referred to as PET fiber, which is a polymer compound. After the discarded polyester cloth is crushed, it can be used to produce dioctyl terephthalate to achieve resource recycling. In order to improve the production quality of dioctyl terephthalate, the polyester cloth needs to be crushed into polyester scraps of uniform size before reacting.

[0003] The patent with application number 202222952385.4 discloses a textile waste crushing device for producing polyester cloth, including a crushing box and a recycling shell, wherein the crushing box is connected to the recycling shell, and a baffle is provided at the connection position between the crushing box and the recycling shell. Two groups of symmetrically arranged buffer plates are fixed in the crushing box, and a crushing structure is provided below the two groups of buffer plates. Two groups of symmetrically arranged discharge ports are provided below the crushing structure, and a recycling drawer is provided below the discharge port. A filter plate is provided on the recycling drawer, and a collection box is provided below the recycling drawer. A crushing assembly is provided in the recycling shell, and a feed port for feeding waste is provided at the top of the recycling shell, and an input port is provided at the top of the crushing box. The crushing assembly can perform preliminary crushing on the textile waste fed into the recycling shell through the feed port, and the waste is crushed for the second time by the crushing structure, thereby improving the crushing effect. The filter plate can screen out the textile waste that has not been completely crushed, so as to avoid affecting the subsequent process due to incomplete crushing. The above technical scheme has the following problems:

[0004] 1. In order to improve the crushing effect, a crushing box and a recovery shell are set, a crushing structure is set in the crushing box, and a crushing component is set in the recovery shell, resulting in a large equipment volume and high production cost;

[0005] 2. After the waste is crushed for the second time, the polyester waste that is not completely crushed remains in the drawer and needs to be manually put back into the recycling shell for crushing again by workers, which has high labor intensity and low production efficiency;

[0006] 3. The crushed polyester cloth is light in weight and can easily get stuck in the filter holes of the filter plate, causing the filter plate to be blocked and affecting the smooth filtration;

[0007] In summary, there is an urgent need to provide a polyester waste processing device which has a compact structure, small footprint, high crushing efficiency, good filtration stability, and can automatically cyclically crush polyester waste. Summary of the invention

[0008] In order to solve at least one of the above-mentioned technical problems, the present invention provides a polyester waste processing device, comprising a cylindrical shell, the upper part of the shell is connected to a feed bin, the lower part is connected to a collection bin, a crushing pair of rollers and a feeding mechanism are arranged inside, and a driving mechanism for driving the crushing pair of rollers and the feeding mechanism to rotate is arranged outside, a discharge port is arranged at the bottom of the shell, a circular arc filter screen coaxial with the shell is arranged on the discharge port, the feeding mechanism comprises two rotating rings and a plurality of baffles equidistantly arranged between the two rotating rings, the two rotating rings are coaxial with the shell and can be rotatably arranged at both ends of the shell, and the radial outer side of the baffle is close to the circumferential inner wall of the shell.

[0009] Preferably, the shell includes a cylindrical shell body, the two ends of the shell body are respectively provided with end covers, and the bottom is provided with the discharge port and the filter; the collecting bin includes a bin body connected to the shell, the bottom of the bin body is provided with supporting legs and a fan connected thereto, and a drawer is provided inside, and the bottom of the drawer is provided with an air hole connected to the fan.

[0010] Preferably, the crushing pair of rollers includes a cylindrical roller body, on which a plurality of annular cutters are equidistantly arranged axially, the cutters on the two roller bodies are in an axially staggered meshing state, and the roller shaft of the roller body is connected to the driving mechanism; the baffle is inclined along the rotation direction of the rotating ring, and the feed bin is arranged above the side wall of the shell along the rising direction of the baffle.

[0011] Preferably, the rotating ring comprises a ring body, the outer diameter of the ring body is consistent with the inner diameter of the shell body, a connecting ring is provided at the center of one end close to the shell body, and a bearing is provided on the inner ring wall of the connecting ring; the end cover comprises a circular cover body, a connecting shaft is provided at the center of the cover body, the connecting shaft is connected to a connecting disk, the connecting disk is connected to the bearing and can rotatably block the center hole of the ring body, and the roller shaft of the crushing pair of rollers can rotate through the cover body and the connecting disk.

[0012] Preferably, the driving mechanism includes a chassis arranged on the shell, a motor arranged on the chassis and connected to the roller shaft of a roller body, a first gear and a second gear meshing with each other and arranged in the chassis, and a third gear and a ring gear meshing with each other and arranged in the shell, the first gear and the third gear are arranged on the roller shaft of one roller body, the second gear is arranged on the roller shaft of another roller body, the ring gear is arranged on the inner ring wall of the connecting ring, and the driving mechanism drives the two roller bodies and the rotating ring to rotate differentially.

[0013] Preferably, the baffle comprises a rectangular plate body provided with a plurality of filter holes, a brush is provided along the length direction on the side of the plate body close to the shell body, a plurality of rotary cutters are equidistantly provided along the length direction on the side close to the crushing roller, the rotary cutter comprises a cutter seat fixedly mounted on the plate body, a plurality of blades are equidistantly provided on the cutter seat, and the cutting edges of the blades face the rotation direction of the ring body.

[0014] Preferably, the ring body is provided with a plurality of sliding holes for the plate body to pass through, and the plate body is provided with sliding blocks at both ends along the length direction respectively, and the end of the end cover facing the ring body is provided with a circular sliding track with axial undulations that cooperates with the sliding block, and the sliding track can push the sliding block and the plate body to move axially back and forth during rotation, so that the rotary cutter can be inserted between two adjacent cutting knives on each roller body respectively.

[0015] Preferably, the sliding track includes a first sliding portion provided on the cover body, a second sliding portion protruding toward the ring body, and two third sliding portions smoothly connected to the first sliding portion and the second sliding portion, the first sliding portion and the second sliding portion have equal circumferential lengths, the first sliding portion on one sliding track corresponds to the second sliding portion on the other sliding track, and the third sliding portion on one sliding track corresponds to the third sliding portion on the other sliding track.

[0016] Preferably, a plurality of arc-shaped protrusions are equidistantly provided on the circumference of one end of the ring body facing the end cover, and inclined slopes connected to the end cover are provided at both circumferential ends of the arc-shaped protrusions, the inclined slope on one end cover corresponds to the inclined slope on the other end cover, and the arc-shaped protrusion on one end cover is staggered with the arc-shaped protrusion on the other end cover, an axial slide groove is provided at the discharge port of the shell, and vertical circular shafts are rotatably provided at both axial ends of the filter screen, and when the ring body rotates, the arc-shaped protrusions on the two end covers cooperate with the two circular shafts to push the filter screen to move axially back and forth in the slide groove.

[0017] The present invention provides a method for using a polyester waste processing device, comprising the following steps:

[0018] Step S100. Start the driving mechanism and the fan, put the waste polyester cloth from the feed bin into the housing, the crushing rollers rotate under the control of the driving mechanism, tear and crush the polyester cloth to form polyester scraps, the filter axially reciprocates, and screens the falling polyester scraps. The polyester scraps of qualified size pass through the filter and enter the collection bin, and the polyester scraps of unqualified size remain on the filter;

[0019] Step S200. The feeding mechanism rotates under the control of the driving mechanism, and the polyester scraps remaining on the filter screen are scraped up by the baffle. As the baffle rotates, the polyester scraps with unqualified sizes are transported to the top of the crushing roller and then fall freely, and are crushed again by the crushing roller. The plate body on the baffle reciprocates with the rotation of the rotating ring, and the polyester scraps on the plate body are screened to make the polyester scraps with qualified sizes fall. The brush on the baffle cleans the filter screen in time to avoid clogging of the filter screen. The rotary cutter on the baffle rotates to cut the polyester scraps in the shell and the polyester cloth wrapped around the crushing roller;

[0020] Step S300. When all the polyester scraps in the housing enter the collection bin through the filter screen, the waste processing is completed, the device is turned off, the drawer of the collection bin is pulled out, and the polyester scraps are introduced into the storage device for standby use.

[0021] Compared with the prior art, the present invention has the following beneficial technical effects:

[0022] 1. The invention uses a cylindrical shell with a crushing pair of rollers to repeatedly circulate and crush polyester waste. The equipment is small in size and compact in structure, which reduces production costs;

[0023] 2. The feeding mechanism can continuously convey the unqualified polyester scraps in the shell to the crushing rollers, and crush the polyester scraps for multiple times until they pass through the filter screen into the collection bin after reaching the qualified size. During the crushing process, there is no need for manual repeated feeding, which reduces the labor intensity of workers and improves the crushing efficiency.

[0024] 3. The baffle of the feeding mechanism is tilted along the rotating direction of the rotating ring, which can increase the residence time of the polyester scraps on the baffle, so that the polyester scraps can be directly transported to the meshing point of the crushing rollers, thereby improving the crushing efficiency. The feed bin is arranged above the side wall of the shell along the rising direction of the baffle, and the polyester cloth will evenly fall into each rotating baffle and be transported to the crushing roller at a uniform speed, thereby avoiding the accumulation of the polyester cloth at the crushing rollers;

[0025] 4. The connecting plate on the shell end cover can block the center hole of the ring body in the feeding mechanism to prevent polyester scraps from entering the two ends of the shell, thereby improving the cleanliness and service life of the equipment. On the other hand, it can support the ring body and improve the rotation stability of the feeding mechanism.

[0026] 5. The driving mechanism can drive the crushing rollers and the feeding mechanism to rotate at differential speeds through a motor in conjunction with the gear meshing transmission structure, which reduces the number of motors used and saves costs;

[0027] 6. The brush on the baffle of the feeding mechanism can clean the filter screen to avoid clogging and improve the filtering effect. On the other hand, the soft brush can prevent the hard plate body from directly contacting the shell body and the filter screen, avoiding scratches and wear, and improving the service life of the equipment; the rotary knife on the baffle can cut the polyester scraps scattered in the shell during the rotation process, improving the crushing efficiency;

[0028] 7. The sliding track adopts an axially undulating circular structure. The slider and the sliding track cooperate to enable the plate body of the feeding mechanism to produce axial reciprocating movement during the rotation process, so as to screen the polyester scraps in the plate body and improve the screening efficiency; the plate body drives the rotary cutter to move axially back and forth, so that the rotary cutter and the crushing roller form an instantaneous meshing state, further improving the crushing effect, and further removing the polyester cloth wrapped around the crushing roller;

[0029] 8. The arc-shaped protrusions on the two end covers can intermittently contact the two circular shafts on the filter screen when rotating, and the two circular shafts push the filter screen to move back and forth axially, thereby screening the polyester scraps above the filter screen and improving the filtering efficiency;

[0030] In summary, the present invention has a compact structure, small footprint, high crushing efficiency, and good filtering stability, and can automatically circulate and crush polyester waste, thereby reducing the labor intensity of workers and improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 It is a structural schematic diagram of the present invention;

[0032] Figure 2 for Figure 1 Exploded view of;

[0033] Figure 3 This is an exploded view of the shell;

[0034] Figure 4 is a schematic diagram of the structure of the end cover;

[0035] Figure 5 This is an exploded view of the collection bin;

[0036] Figure 6 It is an exploded view of the feeding structure;

[0037] Figure 7 This is an exploded view of the drive mechanism;

[0038] Figure 8 for Figure 1 A three-dimensional cross-sectional view of

[0039] Fig. 9 It is a schematic diagram of the rotation state of the feeding mechanism;

[0040] Fig.10 It is a partial exploded view of the present invention.

[0041] Description of reference numerals:

[0042] 1. Shell, 11. Shell body, 12. End cover, 121. Cover body, 122. Connecting shaft, 123. Connecting plate, 124. Sliding track, 1241. First sliding part, 1242. Second sliding part, 1243. Third sliding part, 13. Discharge port, 131. Slide chute, 14. Filter, 141. Round shaft, 2. Feed bin, 3. Collection bin, 31. Bin body, 32. Legs, 33. Fan, 34. Drawer, 341. Air hole, 4. Crushing roller, 41. Roller body, 42. Cutter, 43, roller, 5, feeding mechanism, 51, rotating ring, 511, ring body, 512, connecting ring, 513, bearing, 514, sliding hole, 515, arc-shaped protrusion, 516, inclined slope, 52, baffle, 521, plate body, 522, brush, 523, rotary knife, 5231, knife seat, 5232, blade, 524, slider, 6, driving mechanism, 61, chassis, 62, motor, 63, first gear, 64, second gear, 65, third gear, 66, gear ring. DETAILED DESCRIPTION

[0043] The specific implementation of the present invention is described below in conjunction with the accompanying drawings and embodiments:

[0044] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification so that people familiar with this technology can understand and read them, and are not used to limit the conditions under which the present invention can be implemented. Any structural modification, change in proportional relationship or adjustment of size should fall within the scope of the technical contents disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention.

[0045] At the same time, the terms such as "upper", "lower", "left", "right", "middle" and "one" cited in this specification are only for the convenience of description and are not used to limit the scope of implementation of the present invention. Changes or adjustments to their relative relationships should be regarded as the scope of implementation of the present invention without substantially changing the technical content. Example 1

[0046] Combined with Figures 1 to 10The present embodiment provides a polyester waste processing device, comprising a cylindrical shell 1, wherein the shell 1 is connected to a feed bin 2 at the top and a collection bin 3 at the bottom, and is provided with a crushing pair of rollers 4 and a feeding mechanism 5 inside, and is provided with a driving mechanism 6 for driving the crushing pair of rollers 4 and the feeding mechanism 5 to rotate outside, and a discharge port 13 is provided at the bottom of the shell 1, and a circular arc filter screen 14 coaxial with the shell 1 is provided on the discharge port 13, and the feeding mechanism 5 comprises two rotating rings 51 and a plurality of baffles 52 equidistantly arranged between the two rotating rings 51, and the two rotating rings 51 are coaxial with the shell 1 and rotatably arranged at both ends of the shell 1, and the radial outer side of the baffle 52 is close to the circumferential inner wall of the shell 1.

[0047] In the above technical solution, the polyester waste is repeatedly cyclically crushed by the cylindrical shell 1 and the crushing roller 4. The equipment is small in size and compact in structure, which reduces the production cost. The crushing roller 4 is used to tear and crush the discarded polyester cloth to form polyester scraps. The feeding mechanism 5 can continuously convey the unqualified polyester scraps in the shell 1 to the crushing roller 4, and crush the polyester scraps for many times until they pass through the filter 14 into the collection bin 3 after the size is qualified. During the crushing process, there is no need for manual repeated feeding, which reduces the labor intensity of workers and improves the crushing efficiency. The driving mechanism 6 can adopt any suitable rotary driving structure in the prior art.

[0048] When in use, discarded polyester cloth is put into the shell 1 from the feed bin 2, and is torn and crushed by the crushing pair of rollers 4. After crushing, the polyester scraps with qualified size pass through the filter screen 14 and enter the collecting bin 3, and the polyester scraps with unqualified size remain on the filter screen 14. The feeding mechanism 5 rotates under the control of the driving mechanism 6, and the polyester scraps remaining on the filter screen 14 are scraped up by the baffle 52. As the baffle 52 rotates, the unqualified polyester cloth is transported to the top of the crushing pair of rollers 4 and then falls freely, and is crushed again by the crushing pair of rollers 4 until the polyester scraps are of qualified size and all enter the collecting bin 3 from the filter screen 14.

[0049] In a specific technical solution, the shell 1 includes a cylindrical shell body 11, the two ends of the shell body 11 are respectively provided with end covers 12, and the bottom is provided with the discharge port 13 and the filter screen 14; the collecting bin 3 includes a bin body 31 connected to the shell 1, the bottom of the bin body 31 is provided with supporting legs 32 and a fan 33 connected thereto, and a drawer 34 is provided inside, and the bottom of the drawer 34 is provided with an air hole 341 connected to the fan 33.

[0050] In the above technical solution, in order to prevent the polyester scraps from falling from the bottom of the drawer 34, the size of the air hole 341 should be smaller than the size of the polyester scraps. This is common knowledge and will not be described in detail. When in use, the fan 33 is started to form a wind flowing from top to bottom in the housing 1, so that the polyester scraps of qualified size can quickly pass through the filter 14 into the collection bin 3, and the polyester scraps in the collection bin 3 fall into the drawer 34. When the crushing is completed, the drawer 34 is pulled out and the polyester scraps are poured into the storage device for standby use. The operation is convenient and quick, and the transportation efficiency of the polyester scraps is improved.

[0051] In a specific technical solution, the crushing roller 4 includes a cylindrical roller body 41, on which a plurality of annular cutters 42 are equidistantly arranged in the axial direction, and the cutters 42 on the two roller bodies 41 are staggered and meshed in the axial direction, and the roller shaft 43 of the roller body 41 is connected to the driving mechanism 6; Fig. 9 As shown, the baffle 52 is tilted along the rotation direction of the rotating ring 51 , and the feed bin 2 is arranged above the side wall of the shell 1 along the ascending direction of the baffle 52 .

[0052] In the above technical solution, if Figure 2 As shown, the cutters 42 on the two roller bodies 41 are in an axially staggered meshing state, which means that the cutter 42 on one roller body 41 can be inserted between two adjacent cutters 42 on the other roller body 41. Through the meshing, tearing and crushing, the entanglement of the polyester cloth on the crushing roller 4 can be reduced, and the crushing efficiency and crushing stability can be improved. The baffle 52 is inclined along the rotation direction of the rotating ring 51, which can increase the residence time of the polyester scraps on the baffle 52, so that the polyester scraps can be directly transported to the meshing point of the crushing roller 4, thereby improving the crushing efficiency. The feed bin 2 is arranged above the side wall of the shell 1 along the rising direction of the baffle 52. When the discarded polyester cloth falls from the feed bin 2, it can just enter the baffle 52 in the rising state, and be transported to the crushing roller 4 through the baffle 52. Since the baffle 52 is constantly rotating, the polyester cloth will evenly fall into each baffle 52, and thus be transported to the crushing roller 4 at a uniform speed, avoiding a large amount of material being directly fed above the crushing roller 4, resulting in the accumulation of polyester cloth at the crushing roller 4.

[0053] In a specific technical solution, the rotating ring 51 includes a ring body 511, the outer diameter of the ring body 511 is consistent with the inner diameter of the shell body 11, and a connecting ring 512 is provided at the center of one end close to the shell body 1, and a bearing 513 is provided on the inner ring wall of the connecting ring 512; the end cover 12 includes a circular cover body 121, and a connecting shaft 122 is provided at the center of the cover body 121, and the connecting shaft 122 is connected to a connecting disk 123, and the connecting disk 123 is connected to the bearing 513 and can rotatably block the center hole of the ring body 511, and the roller shaft 43 of the crushing roller 4 can rotate through the cover body 121 and the connecting disk 123.

[0054] In the above technical solution, the two roller shafts 43 of the crushing pair of rollers 4 can freely pass through the center hole of the ring body 511; the inner diameter of the ring body 511 is preferably smaller than the inner diameter of the connecting ring 512, so that the ring body 511 can block the side wall of the bearing 513 in the connecting ring 512 to prevent polyester scraps from entering the bearing 513. The connecting plate 123 on the cover body 121 can, on the one hand, block the center hole of the ring body 511 to prevent polyester scraps from entering the two ends of the housing 1 from the center hole of the ring body 511, thereby improving the cleanliness and service life of the equipment; on the other hand, it can play the role of supporting the ring body 511 and improve the rotation stability of the ring body 511.

[0055] In a specific technical solution, the driving mechanism 6 includes a chassis 61 arranged on the shell 1, a motor 62 arranged on the chassis 61 and connected to the roller shaft 43 of a roller body 41, a first gear 63 and a second gear 64 that are meshed with each other and arranged in the chassis 61, and a third gear 65 and a ring gear 66 that are meshed with each other and arranged in the shell 1, the first gear 63 and the third gear 65 are arranged on the roller shaft 43 of one roller body 41, the second gear 64 is arranged on the roller shaft 43 of another roller body 41, and the ring gear 66 is arranged on the inner ring wall of the connecting ring 512, and the driving mechanism 6 drives the two roller bodies 41 and the rotating ring 51 to rotate differentially.

[0056] In the above technical solution, differential rotation refers to the difference in rotation speed between the two roller bodies 41 and the rotating ring 51, which has a rotation speed difference. Differential rotation can improve the crushing effect of the crushing roller 4 and control the feeding speed of the feeding mechanism 5. Differential rotation can be achieved by selecting the first gear 63, the second gear 64, the third gear 65 and the ring gear 66 of different sizes. In this embodiment, a motor 62 is used to drive the crushing roller 4 and the feeding mechanism 5 to rotate in conjunction with the gear meshing transmission structure, thereby reducing the number of motors 62 used and saving costs. The driving mechanism 6 in the present invention can also directly use multiple motors 62, and the multiple motors 62 respectively drive the two roller bodies 41 and the rotating ring 51 to rotate.

[0057] In a specific technical solution, the baffle 52 includes a rectangular plate body 521 with a plurality of filter holes, a brush 522 is provided along the length direction on the side of the plate body 521 close to the shell body 11, and a plurality of rotary cutters 523 are equidistantly provided along the length direction on the side close to the crushing roller 4, the rotary cutter 523 includes a cutter seat 5231 fixedly mounted on the plate body 521, a plurality of blades 5232 are equidistantly provided on the cutter seat 5231, and the cutting edges of the blades 5232 face the rotation direction of the ring body 511.

[0058] In the above technical solution, the plate body 521 is provided with filter holes, which can make the polyester scraps on the plate body 521 that meet the requirements of size fall from the filter holes of the plate body 521, avoiding repeated crushing and improving the crushing efficiency; the brush 522 can rotate to clean the shell body 11 and the filter screen 14, on the one hand, it can avoid clogging of the filter screen 14 and improve the filtering effect, and on the other hand, the soft brush 522 can prevent the hard plate body 521 from directly contacting the shell body 11 and the filter screen 14, avoiding scratches and wear, and improving the service life of the equipment. The rotary cutter 523 can cut the scattered polyester scraps in the shell 1 during the rotation process to improve the crushing efficiency. A plurality of blades 5232 are arranged on the knife seat 5231 of the rotary cutter 523, which can further improve the shredding efficiency.

[0059] In a specific technical solution, the ring body 511 is provided with a plurality of sliding holes 514 for the plate body 521 to pass through, and sliders 524 are respectively provided at both ends of the plate body 521 along the length direction. The end of the end cover 12 facing the ring body 511 is provided with a circular sliding track 124 with axial undulations that cooperates with the slider 524. The sliding track 124 can push the slider 524 and the plate body 521 to move axially back and forth during rotation, so that the rotary knife 523 can be respectively inserted between two adjacent cutters 42 on each roller body 41.

[0060] In the above technical scheme, by controlling the size of the plate body 521, the rotary knife 523 on the plate body 521 can be inserted between the two adjacent cutters 42 on the roller body 41 during rotation, so that the rotary knife 523 and the crushing roller 4 can form a dynamic instantaneous meshing state. This structure can not only further improve the crushing effect, but also further remove the polyester cloth wrapped around the crushing roller 4; since the cutters 42 on the two roller bodies 41 are in an axially staggered meshing state, in order to enable the rotary knife 523 to be smoothly inserted between the two adjacent cutters 42 on each roller body 41, the rotary knife 523 is required to be able to adjust the axial position in time during the rotation process. In this embodiment, the slider 524 is matched with the sliding track 124 with axial undulations, so that the plate body 521 produces axial reciprocating movement during rotation, thereby driving the rotary knife 523 to perform axial reciprocating movement, thereby realizing the meshing of the rotary knife 523 with the crushing roller 4. In addition, the axial reciprocating motion of the plate body 521 can screen the polyester scraps in the plate body 521, promote the polyester scraps that meet the requirements in size to fall from the filter holes of the plate body 521, and improve the screening efficiency.

[0061] In a specific technical solution, the sliding rail 124 includes a first sliding portion 1241 provided on the cover body 121, a second sliding portion 1242 protruding toward the ring body 511, and two third sliding portions 1243 smoothly connecting the first sliding portion 1241 and the second sliding portion 1242, the circumferential length of the first sliding portion 1241 and the second sliding portion 1242 are equal, the first sliding portion 1241 on one sliding rail 124 corresponds to the second sliding portion 1242 on the other sliding rail 124, and the third sliding portion 1243 on one sliding rail 124 corresponds to the third sliding portion 1243 on the other sliding rail 124.

[0062] In the above technical solution, the sliding track 124 adopts an axially protruding second sliding part 1242, a non-axially protruding first sliding part 1241 and two connected third sliding parts 1243, so that when the plate body 521 rotates one circle, it can perform an axial reciprocating movement; the sliding track 124 in the present invention can also adopt a uniform corrugated axial undulating structure, so that when the plate body 521 rotates one circle, it can perform multiple axial reciprocating movements.

[0063] In a specific technical solution, a plurality of arc-shaped protrusions 515 are equidistantly provided on the circumference of one end of the ring body 511 facing the end cover 12, and inclined slopes 516 connected with the end cover 12 are provided at both circumferential ends of the arc-shaped protrusions 515, the inclined slope 516 on one end cover 12 corresponds to the inclined slope 516 on the other end cover 12, and the arc-shaped protrusions 515 on one end cover 12 are alternately arranged with the arc-shaped protrusions 515 on the other end cover 12, and an axial slide groove 131 is provided at the discharge port 13 of the shell 1, and vertical circular shafts 141 are rotatably provided at both axial ends of the filter screen 14, and when the ring body 511 rotates, the arc-shaped protrusions 515 on the two end covers 12 cooperate with the two circular shafts 141, so as to push the filter screen 14 to move axially back and forth in the slide groove 131.

[0064] In the above technical solution, the arc-shaped protrusions 515 on the two end covers 12 can intermittently contact the two circular shafts 141 on the filter screen 14 when rotating, and the filter screen 14 is pushed to move axially back and forth through the two circular shafts 141, so as to screen the polyester fragments above the filter screen 14 and improve the filtration efficiency. The circular shaft 141 is rotatable, which can reduce the contact friction between the circular shaft 141 and the arc-shaped protrusion 515, the inclined surface 516 and the ring body 511.

[0065] The working principle and working process of this embodiment are as follows: the driving mechanism 6 and the fan 33 are started, and the waste polyester cloth is put into the shell 1 from the feeding bin 2. The crushing roller 4 rotates under the control of the driving mechanism 6 to tear and crush the polyester cloth to form polyester scraps. The filter screen 14 moves axially back and forth to screen the fallen polyester scraps. The polyester scraps of qualified size pass through the filter screen 14 and enter the collecting bin 3, and the polyester scraps of unqualified size remain on the filter screen 14; the feeding mechanism 5 rotates under the control of the driving mechanism 6, and the polyester scraps remaining on the filter screen 14 are scraped up by the baffle 52. As the baffle 52 rotates, the polyester scraps of unqualified size are transported to the crushing bin 3. The polyester scraps 521 on the baffle 52 move back and forth with the rotation of the rotating ring 51, and the polyester scraps on the plate body 521 are screened, so that the polyester scraps of qualified size fall down, and the brush 522 on the baffle 52 cleans the filter screen 14 in time to avoid clogging of the filter screen 14, and the rotary knife 523 on the baffle 52 rotates to chop the polyester scraps in the shell 1 and the polyester cloth wrapped around the crushing roller 4; when all the polyester scraps in the shell 1 enter the collecting bin 3 from the filter screen 14, the waste treatment is completed, the equipment is turned off, the drawer of the collecting bin 3 is pulled out, and the polyester scraps are introduced into the storage device for standby use. Example 2

[0066] Combined with Figures 1 to 10 This embodiment provides a method for using a polyester waste processing device, comprising the following steps:

[0067] Step S100. Start the drive mechanism 6 and the fan 33, put the waste polyester cloth from the feed bin 2 into the housing 1, the crushing roller 4 rotates under the control of the drive mechanism 6, tears and crushes the polyester cloth to form polyester scraps, the filter screen 14 reciprocates axially, and screens the fallen polyester scraps, the polyester scraps of qualified size pass through the filter screen 14 and enter the collection bin 3, and the polyester scraps of unqualified size remain on the filter screen 14;

[0068] Step S200. The feeding mechanism 5 rotates under the control of the driving mechanism 6, and the polyester scraps remaining on the filter screen 14 are scraped up by the baffle 52. As the baffle 52 rotates, the polyester scraps with unqualified sizes are transported to the top of the crushing roller 4 and then fall freely, and are crushed again by the crushing roller 4. The plate body 521 on the baffle 52 reciprocates with the rotation of the rotating ring 51, and the polyester scraps on the plate body 521 are screened to make the polyester scraps with qualified sizes fall. The brush 522 on the baffle 52 cleans the filter screen 14 in time to avoid clogging of the filter screen 14. The rotary knife 523 on the baffle 52 rotates to cut the polyester scraps in the shell 1 and the polyester cloth wrapped around the crushing roller 4;

[0069] Step S300. When all the polyester scraps in the housing 1 enter the collecting bin 3 from the filter screen 14, the waste processing is completed, the equipment is turned off, the drawer 34 of the collecting bin 3 is pulled out, and the polyester scraps are introduced into the storage device for standby use.

[0070] The above embodiments are preferred implementation modes of the present invention, but the implementation modes of the present invention are not limited to the above embodiments. Any other changes, modifications, substitutions, combinations, and simplifications made without departing from the spirit and principles of the present invention shall be equivalent replacement modes and shall be included in the protection scope of the present invention.

Claims

1. A polyester waste treatment device, comprising a cylindrical housing (1), characterized in that: The shell (1) is connected to a feed bin (2) at the top and a collection bin (3) at the bottom. A crushing roller pair (4) and a feeding mechanism (5) are provided inside. A driving mechanism (6) for driving the crushing roller pair (4) and the feeding mechanism (5) to rotate is provided outside. A discharge port (13) is provided at the bottom of the shell (1). A circular arc filter (14) coaxial with the shell (1) is provided on the discharge port (13). The feeding mechanism (5) comprises two rotating rings (51) and a plurality of baffles (52) equidistantly arranged between the two rotating rings (51). The two rotating rings (51) are coaxial with the shell (1) and rotatably arranged at two ends of the shell (1). The radial outer sides of the baffles (52) are close to the circumferential inner wall of the shell (1). The shell (1) comprises a cylindrical shell body (11), the two ends of the shell body (11) are respectively provided with end covers (12), and the bottom is provided with the discharge port (13) and the filter screen (14); the rotating ring (51) comprises a ring body (511); the baffle (52) comprises a rectangular plate body (521) provided with a plurality of filter holes, a brush (522) is provided on the side of the plate body (521) close to the shell body (11) along the length direction, and a plurality of rotary cutters (523) are provided at equal intervals along the length direction on the side close to the crushing roller (4); the ring body (511) is provided with A plurality of sliding holes (514) for the plate body (521) to pass through, the plate body (521) is provided with sliding blocks (524) at both ends along the length direction, and the end of the end cover (12) facing the ring body (511) is provided with a circular sliding track (124) with axial undulations that matches the sliding block (524), the sliding track (124) being capable of pushing the sliding block (524) and the plate body (521) to axially reciprocate during rotation, so that the rotary knife (523) can be respectively inserted between two adjacent cutting knives (42) on each roller body (41).

2. A polyester waste processing device according to claim 1, characterized in that: The collecting bin (3) comprises a bin body (31) connected to the housing (1); a support leg (32) and a fan (33) connected thereto are provided at the bottom of the bin body (31); a drawer (34) is provided inside the bin body; and a wind hole (341) connected to the fan (33) is provided at the bottom of the drawer (34).

3. A polyester waste processing device according to claim 2, characterized in that: The crushing pair of rollers (4) comprises a cylindrical roller body (41), a plurality of annular cutters (42) are equidistantly arranged on the roller body (41) in the axial direction, the cutters (42) on the two roller bodies (41) are in a staggered meshing state in the axial direction, and the roller shaft (43) of the roller body (41) is connected to the driving mechanism (6); the baffle (52) is arranged obliquely along the rotation direction of the rotating ring (51), and the feed bin (2) is arranged above the side wall of the shell (1) along the ascending direction of the baffle (52).

4. A polyester waste processing device according to claim 3, characterized in that: The outer diameter of the ring body (511) is consistent with the inner diameter of the shell body (11); a connecting ring (512) is provided at the center of one end close to the shell body (1); and a bearing (513) is provided on the inner ring wall of the connecting ring (512); the end cover (12) comprises a circular cover body (121); a connecting shaft (122) is provided at the center of the cover body (121); the connecting shaft (122) is connected to a connecting disk (123); the connecting disk (123) is connected to the bearing (513) and can rotatably block the center hole of the ring body (511); and the roller shaft (43) of the crushing roller (4) can rotatably pass through the cover body (121) and the connecting disk (123).

5. A polyester waste processing device according to claim 4, characterized in that: The driving mechanism (6) comprises a chassis (61) arranged on the housing (1), a motor (62) arranged on the chassis (61) and connected to a roller shaft (43) of a roller body (41), a first gear (63) and a second gear (64) meshing with each other and arranged in the chassis (61), and a third gear (65) and a gear ring (66) meshing with each other and arranged in the housing (1), wherein the first gear (63) and the third gear (65) are arranged on the roller shaft (43) of one roller body (41), the second gear (64) is arranged on the roller shaft (43) of another roller body (41), and the gear ring (66) is arranged on the inner ring wall of the connecting ring (512), and the driving mechanism (6) drives the two roller bodies (41) and the rotating ring (51) to rotate at a differential speed.

6. A polyester waste processing device according to claim 5, characterized in that: The rotary cutter (523) comprises a cutter seat (5231) fixedly mounted on the plate body (521), a plurality of blades (5232) being arranged on the cutter seat (5231) at equal intervals, and the cutting edges of the blades (5232) face the rotation direction of the ring body (511).

7. A polyester waste treatment device according to claim 6, characterized in that: The sliding track (124) includes a first sliding portion (1241) provided on the cover body (121), a second sliding portion (1242) protruding toward the ring body (511), and two third sliding portions (1243) smoothly connecting the first sliding portion (1241) and the second sliding portion (1242), wherein the circumferential lengths of the first sliding portion (1241) and the second sliding portion (1242) are equal, the first sliding portion (1241) on one sliding track (124) corresponds to the second sliding portion (1242) on the other sliding track (124), and the third sliding portion (1243) on one sliding track (124) corresponds to the third sliding portion (1243) on the other sliding track (124).

8. The polyester waste processing device according to claim 7, characterized in that: A plurality of arc-shaped protrusions (515) are equidistantly arranged on the circumference of one end of the ring body (511) facing the end cover (12); inclined slopes (516) that engage with the end cover (12) are arranged at both ends of the circumference of the arc-shaped protrusions (515); the inclined slopes (516) on one end cover (12) correspond to the inclined slopes (516) on the other end cover (12); and the arc-shaped protrusions (515) on one end cover (12) engage with the other end cover (12). The arc-shaped protrusions (515) on the two end covers (12) are arranged in a staggered manner, an axial slide groove (131) is provided at the discharge port (13) of the shell (1), and vertical circular shafts (141) are rotatably provided at the axial ends of the filter screen (14). When the ring body (511) rotates, the arc-shaped protrusions (515) on the two end covers (12) cooperate with the two circular shafts (141), so as to push the filter screen (14) to move axially back and forth in the slide groove (131).

9. The method for using the polyester waste treatment device according to claim 8, characterized in that: The following steps are involved: Step S100. Start the drive mechanism (6) and the fan (33), and put the discarded polyester cloth from the feed bin (2) into the housing (1). The crushing roller (4) rotates under the control of the drive mechanism (6) to tear and crush the polyester cloth to form polyester scraps. The filter screen (14) moves axially back and forth to screen the fallen polyester scraps. The polyester scraps of qualified size pass through the filter screen (14) and enter the collection bin (3), and the polyester scraps of unqualified size remain on the filter screen (14); Step S200. The feeding mechanism (5) rotates under the control of the driving mechanism (6) and scrapes the polyester scraps remaining on the filter screen (14) through the baffle (52). As the baffle (52) rotates, the polyester scraps with unqualified sizes are transported to the top of the crushing roller (4) and then fall freely. They are crushed again by the crushing roller (4). The plate body (521) on the baffle (52) reciprocates with the rotation of the rotating ring (51) to screen the polyester scraps on the plate body (521) so that the polyester scraps with qualified sizes fall. The brush (522) on the baffle (52) cleans the filter screen (14) in time to avoid clogging of the filter screen (14). The rotary knife (523) on the baffle (52) rotates to cut the polyester scraps in the shell (1) and the polyester cloth wrapped around the crushing roller (4). Step S300. When all the polyester scraps in the housing (1) enter the collection bin (3) through the filter screen (14), the waste processing is completed, the device is turned off, the drawer (34) of the collection bin (3) is pulled out, and the polyester scraps are introduced into the storage device for standby use.

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