Energy-saving recycling process for polyester-containing waste textiles

Abstract

The application discloses an energy-saving recycling process for polyester-containing waste textiles, and specifically comprises the following steps: step one, pretreatment of the waste textiles: the waste textiles are first cleaned, then put into an automatic feeding mechanism, and cut by a shredding assembly into a collecting box, and flattened by a compacting assembly; step two, chemical dissolution; step three, the decomposed substances are sequentially separated, purified, and re-polymerized to obtain filaments, which are finally stretched and processed to obtain regenerated polyester fibers; the application relates to the technical field of waste recycling. The energy-saving recycling process for polyester-containing waste textiles is provided with a shredding assembly, so that the knife barrels can drive the first cutter and the second cutter to alternately cut the waste textiles while rotating; the first cutters on the two knife barrels cooperate to perform primary cutting and crushing, and the second cutters cooperate to perform secondary cutting and crushing, so that the entangling effect can be achieved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of waste recycling, in particular to an energy-saving recycling process for polyester-containing waste textiles. BACKGROUND

[0002] For the energy-saving recycling process of polyester-containing waste textiles, there is a commonly used technology called chemical recycling. This process mainly involves pretreating the waste textiles, i.e., cleaning and shredding the waste textiles to create more favorable conditions for the subsequent chemical recycling process. The subsequent chemical method decomposes the polyester fibers in the waste textiles into original chemical substances, which are then finely processed to obtain high-quality regenerated polyester fibers.

[0003] The pretreatment process of waste textiles in the prior art can reduce the impact of impurities in the waste on the subsequent process, improve the quality of regenerated fibers, and improve energy utilization efficiency and recovery rate, thereby achieving efficient and energy-saving recycling of waste textiles. However, during the pretreatment of waste textiles, a pair of cooperating crushing rollers is needed to cut and crush the waste textiles. Since a large amount of waste threads are generated after crushing the waste textiles, these waste threads cannot be completely crushed and are often wound around the crushing rollers, which will affect the normal operation of the crushing rollers over time. SUMMARY

[0004] To overcome the deficiencies of the prior art, the present application provides an energy-saving recycling process for polyester-containing waste textiles, which solves the technical problems mentioned in the background art.

[0005] To achieve the above purpose, the present application realizes the following technical scheme: an energy-saving recycling process for polyester-containing waste textiles, specifically including the following steps:

[0006] Step one, pretreatment of waste textiles: the waste textiles need to be cleaned first, then the cleaned waste textiles are fed into the automatic feeding mechanism, the waste textiles automatically fall into the first box under the driving of the conveying belt and the feeding plate, and are cut by the shredding assembly in the first box, then are discharged into the collection box in the second box through the guide plate, and are flattened by the compaction assembly along with the shredded waste textiles in the collection box.

[0007] Step two, chemical dissolution: the waste textiles collected in the collection box are fed into the chemical solvent for dissolution and decomposition.

[0008] Step three, the decomposed substances are sequentially separated, purified, and re-polymerized to obtain filaments, and finally the filaments are stretched and processed to obtain regenerated polyester fibers.

[0009] As a further preferred embodiment of the present technical solution, the bottom of the first box and the second box is provided with a bottom plate, the two ends of the inner side of the first box are fixedly connected with a discharge plate, and the chopping assembly is arranged below the discharge plate, the automatic feeding mechanism is arranged at the top right side of the first box, the two ends of the first box are fixedly connected with a fixed frame, the compaction assembly is arranged on the fixed frame, and the second box is arranged at the right end of the guide plate, and the compaction assembly is arranged at the top of the second box.

[0010] As a further preferred embodiment of the present technical solution, the automatic feeding mechanism comprises support rods fixedly installed on both sides of the right end of the first box, mounting plates are fixedly connected to the top of the support rods, roller shafts are rotatably connected to the inner side of the mounting plates, output rollers are fixedly connected to the outer wall of the roller shafts, conveying belts are arranged on the outer wall of the output rollers, and feeding plates are fixedly connected to the outer wall of the conveying belts, and the one end of the roller shaft is provided with a first pulley assembly, and the first pulley assembly is drivingly connected with the chopping assembly.

[0011] As a further preferred embodiment of the present technical solution, the chopping assembly comprises positioning rods arranged on both sides of the inner cavity of the first box, the two ends of the positioning rods extend through the first box to the outside and are fixedly connected with the inner wall of the fixed frame, the two ends of the positioning rods are sleeved with sleeve rods, the outer wall of the sleeve rod at the rear end is fixedly connected with a gear, and the two gears are drivingly engaged, the outer wall of the positioning rod is sleeved with a limiting cylinder, the outer wall of the limiting cylinder is sleeved with a cutter cylinder, and the cutter cylinder is fixedly connected with the limiting cylinder, the two ends of the cutter cylinder are rotatably installed on the first box, one end penetrates through the first box and is fixedly connected with the inner wall of the gear, a plurality of first cutters are arranged on the cutter cylinder along the length direction thereof, a plurality of second cutters are arranged between adjacent first cutters, the outer wall of the first cutter and the second cutter is provided with a cleaning assembly, the outer wall of the positioning rod is fixedly connected with a fixed cylinder, and the fixed cylinder is located inside the limiting cylinder, one side of the gear is provided with a motor, the motor is fixedly installed on the fixed frame, the output end of the motor is fixedly connected with a driving gear, and one side of the driving gear is meshingly connected with one side of the gear.

[0012] As a further preferred embodiment of the present technical solution, the surface of the cutter cylinder is provided with a plurality of first through grooves and a plurality of second through grooves, the specifications of the first through grooves and the first cutters are adapted to each other, the specifications of the second through grooves and the second cutters are adapted to each other, and the surface of the limiting cylinder is provided with a plurality of third through grooves, the specifications of the third through grooves, the first through grooves and the second through grooves are adapted to each other.

[0013] As a further preferred embodiment of the present application, the inner end of the first cutter and the second cutter is fixedly connected with a cutter rod, the other end of the cutter rod extends into the inner cavity of the limiting cylinder through the third through slot, and the inner end of the cutter rod is fixedly connected with an arc-shaped sliding block which slides in close contact with the outer wall of the fixed cylinder, the outer wall of the cutter rod is fixedly connected with a limiting block, and the outer wall of the cutter rod is provided with a first spring which is fixedly connected at both ends with the limiting block and the inner wall of the limiting cylinder.

[0014] As a further preferred embodiment of the present application, the outer wall of the fixed cylinder is provided with a circular arc segment and a straight line segment, and the circular arc segment and the straight line segment slide in close contact with the arc-shaped sliding block.

[0015] As a further preferred embodiment of the present application, the cleaning assembly comprises a mounting bracket fixedly arranged at both ends of the cutter cylinder, a drive rod is rotatably connected to the mounting bracket, a cleaning cutter is rotatably connected to the outer wall of the drive rod, two cleaning cutters are located on both sides of the first cutter and are arranged in close contact with the outer wall of the first cutter, linkage rods are fixedly connected to both ends of the drive rod, and a second spring is fixedly connected between the two linkage rods.

[0016] As a further preferred embodiment of the present application, one side of the second box body is provided with a collection box, and a feeding port is formed in the other side of the collection box, and the position of the feeding port corresponds to the position of the discharge port of the guide plate.

[0017] As a further preferred embodiment of the present application, the compaction assembly comprises brackets fixedly installed on both sides of the second box body, a guide column is fixedly connected to the top of the bracket, a contact rod is slidably connected to the guide column, third springs are arranged on both sides of the bottom end of the contact rod and are sleeved on the guide column, a compaction plate is arranged at the bottom end of the contact rod and is adapted in size to the collection box, cams are arranged on both sides of the upper end of the contact rod, a rotating rod is fixedly connected to one side of the cam, a fixed plate is rotatably connected to the other end of the rotating rod, the other end of the fixed plate is fixedly connected with the fixed frame, and a second belt pulley assembly is drivingly connected to the outer wall of the rotating rod.

[0018] Compared with the prior art, the present application has the following advantages:

[0019] The automatic feeding mechanism can realize automatic feeding and conveying of waste textiles, improve production efficiency, simplify operation process, reduce manual intervention, and ensure safety without manual pushing.

[0020] Through the set cutting assembly, the cutter barrel can drive the first cutter and the second cutter to alternately cut the waste textiles while rotating, the first cutter on the two cutter barrels cooperates to cut and crush once, the second cutter cooperates to cut and crush twice, and the cutting directions are perpendicular to each other, so that the entangling effect can be achieved.

[0021] Through the set cleaning assembly, the cleaning knives located on the two sides of the first cutter and the second cutter can be always attached to the outer surfaces of the first cutter and the second cutter through the elastic force of the second spring and the linkage rod, so that the cleaning knives can clean the waste threads generated by cutting the waste textiles on the surfaces of the first cutter and the second cutter, thereby avoiding the entangling of the waste threads, and with the continuous rotation, the arc-shaped sliding block slides to the circular arc segment again, so that the first cutter and the second cutter slide outward, thereby performing the next cutting and crushing.

[0022] Through the set compacting assembly, when the cam rotates to contact the contact rod, the contact rod moves downward to drive the compacting plate to move downward to flatten the cloth in the collecting box, thereby prolonging the storage time limit of the collecting box. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a whole structure schematic view of the present application;

[0024] Figure 2 It is a rear view structure schematic view of the present application;

[0025] Figure 3 It is a structure schematic view of the automatic feeding mechanism in the present application;

[0026] Figure 4 It is a structure schematic view of the cutting assembly in the present application;

[0027] Figure 5 It is a structure split view of the gear and the cutter barrel in the present application;

[0028] Figure 6 It is a structure schematic view of the cutter barrel in the present application;

[0029] Figure 7 It is a structure schematic view of the first cutter and the second cutter in the present application;

[0030] Figure 8 It is a structure schematic view of the cleaning assembly in the present application;

[0031] Figure 9 It is a structure schematic view of the compacting assembly in the present application.

[0032] In the figure: 1, bottom plate; 2, first box body; 3, guide plate; 4, automatic feeding mechanism; 5, chopping assembly; 6, second box body; 7, fixed frame; 8, compaction assembly; 41, support rod; 42, mounting plate; 43, roller shaft; 44, output roller; 45, conveying belt; 46, feeding plate; 47, first pulley assembly; 51, positioning rod; 52, sleeve rod; 53, gear; 54, cutter cylinder; 541, first through groove; 542, second through groove; 55, limiting cylinder; 551, third through groove; 56, first cutter; 561, cutter rod; 562, arc-shaped sliding block; 563, limiting block; 564, first spring; 57, second cutter; 58, fixed cylinder; 581, straight line segment; 582, circular arc segment; 59, cleaning assembly; 591, mounting bracket; 592, driving rod; 593, cleaning cutter; 594, linkage rod; 595, second spring; 510, motor; 511, driving gear; 61, collection box; 62, feeding port; 81, support; 82, guide column; 83, third spring; 84, contact rod; 85, compaction plate; 86, cam; 87, rotating rod; 88, fixed plate; 89, second pulley assembly. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the specification. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0034] Please refer to Figures 1-9 The present application provides a technical solution: an energy-saving recycling process for polyester-containing waste textiles, specifically comprising the following steps:

[0035] Step one, pretreatment of waste textiles: the waste textiles first need to be cleaned, then the cleaned waste textiles are put into the automatic feeding mechanism 4, the waste textiles are automatically dropped into the first box body 2 under the driving of the conveying belt 45 and the feeding plate 46, and are cut by the chopping assembly 5 in the first box body 2, are discharged into the collection box 61 in the second box body 6 through the guide plate 3, and are flattened with the chopped waste textiles in the collection box 61 through the compaction assembly 8;

[0036] Step two, chemical dissolution: the waste textiles collected in the collection box 61 are put into a chemical solvent for dissolution and decomposition;

[0037] Step three, the decomposed substances are sequentially separated, purified, and re-polymerized to obtain filaments, and finally the filaments are stretched and processed to obtain regenerated polyester fibers.

[0038] Please refer toFigure 1 、 Figure 2 The bottom of the first box body 2 and the second box body 6 is provided with a bottom plate 1, the two ends of the inner side of the first box body 2 are fixedly connected with a discharging plate, the chopping assembly 5 is arranged below the discharging plate, the automatic feeding mechanism 4 is arranged at the top right side of the first box body 2, the two ends of the first box body 2 are fixedly connected with a fixed frame 7, the compaction assembly 8 is arranged on the fixed frame 7, and the second box body 6 is arranged at the right end of the material guide plate 3, and the compaction assembly 8 is arranged at the top of the second box body 6.

[0039] Please refer to Figure 3 The automatic feeding mechanism 4 comprises support rods 41 fixedly installed at the two sides of the right end of the first box body 2, mounting plates 42 fixedly connected to the two sides of the top of the support rods 41, roller shafts 43 rotatably connected to the inner side ends of the mounting plates 42, output rollers 44 fixedly connected to the outer walls of the roller shafts 43, conveying belts 45 provided on the outer walls of the output rollers 44, feeding plates 46 fixedly connected to the outer walls of the conveying belts 45, first pulley assemblies 47 arranged at one end of the roller shafts 43, and in transmission connection with the chopping assembly 5 through the first pulley assemblies 47. In the embodiment of the present application, when the chopping assembly 5 works, the first pulley assemblies 47 can drive the roller shafts 43 to rotate, and the roller shafts 43 in cooperation with the output rollers 44 can drive the waste textiles on the conveying belts 45 and the feeding plates 46 to be conveyed to the left side. The waste textiles automatically fall downward through the discharging plate on the first box body 2. By arranging the automatic feeding mechanism 4, automatic feeding and conveying of the waste textiles can be realized, the production efficiency is improved, the operation process is simplified, manual intervention is reduced, manual pushing is not needed, and safety is ensured.

[0040] Please refer to Figure 4 、 Figure 5 、 Figure 6 、 Figure 7 、 Figure 8The shredding assembly 5 comprises positioning rods 51 arranged on both sides of the inner cavity of the first box body 2, both ends of the positioning rods 51 extend to the outside through the first box body 2 and are fixedly connected with the inner wall of the fixed frame 7, the two ends of the positioning rods 51 are sleeved with sleeve rods 52, the outer wall of the sleeve rod 52 at the rear end is fixedly connected with a gear 53, the two gears 53 are in meshing transmission, the outer wall of the positioning rod 51 is sleeved with a limiting cylinder 55, the outer wall of the limiting cylinder 55 is sleeved with a cutter cylinder 54, and the cutter cylinder 54 is fixedly connected with the limiting cylinder 55, both ends of the cutter cylinder 54 are rotatably installed on the first box body 2, one end of the cutter cylinder 54 extends through the first box body 2 and is fixedly connected with the inner wall of the gear 53, a plurality of first cutters 56 are arranged on the cutter cylinder 54 along the length direction of the cutter cylinder 54, a plurality of second cutters 57 are arranged between adjacent first cutters 56, the outer wall of the first cutter 56 and the second cutter 57 is provided with a cleaning assembly 59, the outer wall of the positioning rod 51 is fixedly connected with a fixed cylinder 58, and the fixed cylinder 58 is located in the inner cavity of the limiting cylinder 55, one side of the gear 53 is provided with a motor 510, the motor 510 is fixedly installed on the fixed frame 7, and the output end of the motor 510 is fixedly connected with a driving gear 511, one side of the driving gear 511 is in meshing connection with one side of the gear 53;

[0041] A plurality of first through grooves 541 and a plurality of second through grooves 542 are formed in the surface of the cutter cylinder 54, the specifications of the first through grooves 541 and the first cutters 56 are matched with each other, the specifications of the second through grooves 542 and the second cutters 57 are matched with each other, and a plurality of third through grooves 551 are formed in the surface of the limiting cylinder 55, the specifications of the third through grooves 551, the first through grooves 541 and the second through grooves 542 are matched with each other;

[0042] The inner side end of the first cutter 56 and the second cutter 57 is fixedly connected with a cutter rod 561, the other end of the cutter rod 561 extends to the inner cavity of the limiting cylinder 55 by sliding through the third through groove 551, the inner side end of the cutter rod 561 is fixedly connected with an arc-shaped sliding block 562, the arc-shaped sliding block 562 slides in close contact with the outer wall of the fixed cylinder 58, the outer wall of the cutter rod 561 is fixedly connected with a limiting block 563, the outer wall of the cutter rod 561 is sleeved with a first spring 564, and both ends of the first spring 564 are fixedly connected with the limiting block 563 and the inner wall of the limiting cylinder 55 respectively;

[0043] The outer wall of the fixed cylinder 58 is provided with a straight section 581 and a circular arc section 582, and the circular arc section 582 and the straight section 581 slide in close contact with the arc-shaped sliding block 562;

[0044] The cleaning assembly 59 comprises a mounting frame 591 fixed on the outer wall of the cutter barrel 54 at both ends, a driving rod 592 is rotatably connected to the mounting frame 591, a cleaning cutter 593 is rotatably connected to the outer wall of the driving rod 592, the two cleaning cutters 593 are located on both sides of the first cutting knife 56, and the two cleaning cutters 593 are arranged in close contact with the outer wall of the first cutting knife 56, the two ends of the driving rod 592 are fixedly connected with a linkage rod 594, and the second spring 595 is fixedly connected between the two linkage rods 594, in the embodiment of the application, when the motor 510 is started to drive the driving gear 511 to rotate, the driving gear 511 drives the two meshing gears 53 to rotate inward, so that the gears 53 drive the cutter barrel 54 to rotate synchronously, the cutter barrel 54 can drive the first cutting knife 56 and the second cutting knife 57 to alternately cut the waste textiles while rotating, the first cutting knife 56 and the second cutting knife 57 on the two cutter barrels 54 cooperate to cut and crush once, and the second cutting knife 57 cooperates to cut and crush twice, and the cutting directions are perpendicular to each other, so that the entanglement effect can be achieved, when the cutter barrel 54 drives the first cutting knife 56 and the second cutting knife 57 to rotate downward, under the elastic force of the first spring 564, the arc-shaped sliding block 562 at one end of the cutter rod 561 is moved from the circular arc segment 582 to the straight line segment 581, so that the cutter rod 561 drives the first cutting knife 56 and the second cutting knife 57 to move inward for shrinkage treatment, and when the first cutting knife 56 and the second cutting knife 57 shrink, the cleaning cutters 593 located on both sides of the first cutting knife 56 and the second cutting knife 57 can always be in close contact with the outer surfaces of the first cutting knife 56 and the second cutting knife 57 under the elastic force of the second spring 595 and cooperate with the linkage rod 594, so that the cleaning cutters 593 can clean the waste threads generated by cutting the surface of the first cutting knife 56 and the second cutting knife 57, thereby avoiding the entanglement of the waste threads, and with continuous rotation, the arc-shaped sliding block 562 slides to the circular arc segment 582 again, so that the first cutting knife 56 and the second cutting knife 57 slide outward, thereby performing the next cutting and crushing treatment.

[0045] Please refer to Figure 9 The second box body 6 is provided with a collecting box 61 on one side, a feeding port 62 is formed in the other side of the collecting box 61, and the position of the feeding port 62 corresponds to the position of the discharge port of the guide plate 3, in the embodiment of the application, after the waste textiles are cut and crushed by the cutting assembly 5, the broken waste textiles enter the collecting box 61 through the guide plate 3 and the feeding port 62 for collection.

[0046] Please refer to Figure 9The compaction assembly 8 comprises a support 81 fixedly installed on both sides of the second box body 6, the top of the support 81 is fixedly connected with a guide column 82, the guide column 82 is slidingly connected with a contact rod 84, the bottom end of the contact rod 84 is provided with a third spring 83 on both sides, the third spring 83 is sleeved on the guide column 82, the bottom end of the contact rod 84 is provided with a compaction plate 85, the specification of the compaction plate 85 is mutually adapted with the specification of the collecting box 61, the upper end of the contact rod 84 is provided with a cam 86 on both sides, one side of the cam 86 is fixedly connected with a rotating rod 87, the other end of the rotating rod 87 is rotatably connected with a fixed plate 88, the other end of the fixed plate 88 is fixedly connected with the fixed frame 7, the outer wall of the rotating rod 87 is provided with a second belt pulley assembly 89 in transmission connection with the sleeve rod 52, in the embodiment of the present application, when the chopping assembly 5 works, the rotating rod 87 can be driven to rotate through the second belt pulley assembly 89, the rotating rod 87 can drive the cam 86 to synchronously rotate, when the cam 86 rotates to contact with the contact rod 84, the contact rod 84 moves downward to drive the compaction plate 85 to move downward to flatten the cloth in the collecting box 61, the storage time limit of the collecting box 61 is prolonged, at this time, the third spring 83 is compressed, when the cam 86 rotates to not contact with the contact rod 84, the third spring 83 is stretched to drive the compaction plate 85 to move upward to reset through the contact rod 84.

[0047] While embodiments of the application have been shown and described, it is to be understood that the embodiments described are only by way of example and are not limiting of the scope of the application.

Claims

1. An energy saving recycling process for polyester containing waste textiles, characterized in that, Specifically comprising the following steps: Step one, pretreatment of waste textiles: the waste textiles need to be cleaned first, then the cleaned waste textiles are put into the automatic feeding mechanism, the waste textiles automatically fall into the first box under the driving of the conveying belt and the feeding plate, and are cut by the cutting assembly in the first box, and are discharged into the collecting box in the second box through the guide plate, and are flattened with the cut waste textiles in the collecting box through the compaction assembly; Step two, chemical dissolution: the waste textiles collected in the collecting box are put into the chemical solvent for dissolution and decomposition; Step three, the decomposed substances are sequentially separated, purified, and re-polymerized to obtain filaments, and finally the filaments are stretched and processed to obtain regenerated polyester fibers; The bottom of the first box and the second box is provided with a bottom plate, the two ends of the inner side of the first box are fixedly connected with a discharge plate, the cutting assembly is arranged below the discharge plate, the automatic feeding mechanism is arranged at the top right side of the first box, the two ends of the first box are fixedly connected with a fixed frame, the compaction assembly is arranged on the fixed frame, and the second box is arranged at the right end of the guide plate, and the compaction assembly is arranged at the top of the second box; The cutting assembly comprises positioning rods arranged on both sides of the inner cavity of the first box, the two ends of the positioning rods extend to the outside through the first box, and are fixedly connected with the inner wall of the fixed frame, the two ends of the positioning rods are sleeved with sleeve rods, the outer wall of the sleeve rod at the rear end is fixedly connected with a gear, and the two gears are meshed and transmitted, the outer wall of the positioning rod is sleeved with a limiting cylinder, the outer wall of the limiting cylinder is sleeved with a cutter cylinder, and the cutter cylinder is fixedly connected with the limiting cylinder, the two ends of the cutter cylinder are rotatably installed on the first box, one end penetrates through the first box and is fixedly connected with the inner wall of the gear, a plurality of first cutters are arranged on the cutter cylinder along the length direction thereof, a plurality of second cutters are arranged between adjacent first cutters, the outer wall of the first cutter and the second cutter is provided with a cleaning assembly, the outer wall of the positioning rod is fixedly connected with a fixed cylinder, the fixed cylinder is located inside the limiting cylinder, one side of the gear is provided with a motor, the motor is fixedly installed on the fixed frame, the output end of the motor is fixedly connected with a driving gear, and one side of the driving gear is meshed and connected with one side of the gear; The cleaning assembly comprises mounting frames fixedly arranged on the outer wall of the cutter cylinder at both ends, the mounting frames are rotatably connected with driving rods, the outer wall of the driving rods is rotatably connected with cleaning knives, the two cleaning knives are located on both sides of the first cutter, and the outer wall of the two cleaning knives is arranged in close contact with the first cutter, the two ends of the driving rods are fixedly connected with linkage rods, and the two linkage rods are fixedly connected with a second spring.

2. An energy saving recycling process for polyester-containing waste textiles according to claim 1, characterized in that: The automatic feeding mechanism comprises support rods fixedly installed on both sides of the right end of the first box, mounting plates fixedly connected with the top of the support rods, roller shafts rotatably connected with the inner side of the mounting plates, output rollers fixedly connected with the outer wall of the roller shafts, conveying belts fixedly connected with the outer wall of the output rollers, feeding plates fixedly connected with the outer wall of the conveying belts, and first belt pulley assemblies arranged at one end of the roller shafts and transmission connected with the cutting assembly.

3. A process for energy efficient recycling of polyester containing waste textiles as claimed in claim 1, wherein: The surface of the cutter barrel is provided with a plurality of first through grooves and a plurality of second through grooves, the specifications of the first through grooves and the first cutters are mutually matched, the specifications of the second through grooves and the second cutters are mutually matched, the surface of the limiting barrel is provided with a plurality of third through grooves, and the specifications of the third through grooves and the first through grooves and the second through grooves are mutually matched.

4. A process for energy efficient recycling of polyester containing waste textiles as claimed in claim 1, wherein: The inner side end of the first cutter and the second cutter is fixedly connected with a cutter rod, the other end of the cutter rod is slidably connected with the third through groove and extends to the inner cavity of the limiting barrel, the inner side end of the cutter rod is fixedly connected with an arc-shaped sliding block, the arc-shaped sliding block is slidably connected with the outer wall of the fixed barrel, the outer wall of the cutter rod is fixedly connected with a limiting block, the outer wall of the cutter rod is sleeved with a first spring, and the two ends of the first spring are fixedly connected with the limiting block and the inner wall of the limiting barrel.

5. A process for energy efficient recycling of polyester containing waste textiles as claimed in claim 4, wherein: The outer wall of the fixed barrel is provided with a circular segment and a straight segment, and the straight segment is slidably connected with the arc-shaped sliding block.

6. A process for energy efficient recycling of polyester containing waste textiles as claimed in claim 3, wherein the process is characterized by: One side of the second box body is provided with a collecting box, the other side of the collecting box is provided with a feeding port, and the position of the feeding port corresponds to the position of the discharging port of the guide plate.

7. An energy saving recycling process for polyester-containing waste textiles according to claim 6, characterized in that: The compacting assembly comprises supports fixedly installed on the two sides of the second box body, the top of the support is fixedly connected with a guide column, the guide column is slidably connected with a contact rod, the bottom end of the contact rod is provided with a third spring, the third spring is sleeved on the guide column, the bottom end of the contact rod is provided with a compacting plate, the specifications of the compacting plate and the collecting box are matched, the upper end of the contact rod is provided with a cam, one side of the cam is fixedly connected with a rotating rod, the other end of the rotating rod is rotatably connected with a fixed plate, the other end of the fixed plate is fixedly connected with the fixed frame, the outer wall of the rotating rod is provided with a second belt pulley assembly in transmission connection with the sleeve rod.

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