Feeding device for recycled polyester chips

Abstract

The invention relates to the field of recycled polyester feeding structures, in particular to a recycled polyester chip feeding device which comprises a short supporting seat, a conveying belt is mounted above the short supporting seat through a main body mechanism, a plurality of partition plates are mounted on the outer surface of the conveying belt, and a plurality of limiting rings are fixedly mounted on the outer surface of the conveying belt. Each limiting ring is installed between the two partition plates, the limiting rings are provided with sliding pieces through sliding mechanisms, the sliding pieces are provided with springs through buckling mechanisms, and the sliding pieces are provided with vacuum flip covers through suction group mechanisms. The vacuum flip cover is provided with an L-shaped connecting plate through a reset mechanism, the limiting ring is provided with an extension plate through a moving and fixing mechanism, the position of the sliding piece is controlled through the sliding piece, and when the polyester barrels of different sizes are fixed, the positions of the sliding piece are adjusted, so that the polyester barrels of different sizes can be fixedly adsorbed on the suction cup, and the polyester barrels are conveniently adsorbed.

Description

Technical Field

[0001] The invention relates to the field of recycled polyester feeding structures, in particular to a feeding device for recycled polyester chips. Background Art

[0002] Recycled polyester is an environmentally friendly and superior material. As the name suggests, recycled polyester is a polyester material made from waste polyester (such as bottles, foam, waste silk, waste pulp, waste textiles, etc.) through recycling and regeneration processes. It is often called recycled polyester and is an important form of polyester fiber.

[0003] The production process of recycled polyester mainly includes the following steps: collection and pretreatment, pelletizing and drying, melt extrusion, solidification and granulation, plasticization and additives, and molding processing.

[0004] Recycled polyester has a series of superior performance characteristics, including: 1. Environmental protection: The production of recycled polyester can effectively reduce the waste of waste resources, reduce carbon dioxide emissions, and conform to the concept of environmental protection. 2. Low energy consumption: Compared with new materials, the production process of recycled polyester is simple and the energy consumption is lower. 3. Superior physical properties: The physical properties of recycled polyester are comparable to those of new materials, such as strength and wear resistance.

[0005] In the production process of polyester chips, in order to achieve efficient and continuous automated production, it is necessary to use a feeding mechanism to transport the polyester chips from the storage or pre-processing position to the designated position on the production line. The feeding mechanism can ensure that the polyester chips enter the next process stably according to the predetermined rhythm and quantity, thereby improving production efficiency and product quality. The use of a feeding mechanism can greatly reduce the workload of manual handling and delivery of polyester chips and reduce labor intensity. The automated feeding mechanism can reduce the direct contact between operators and polyester chips, thereby reducing safety risks caused by improper operation or equipment failure.

[0006] The existing feeding device for recycled polyester chips can only feed small bottles, waste silk, and textiles, but cannot feed polyester barrels. In addition, since the partition on the conveyor belt is short, if the polyester barrel is forced onto the conveyor belt, the polyester barrel will fall off the conveyor belt during the feeding process, which will not only easily cause damage to the machine, but also injure the staff. If the staff put the polyester waste into the slicing device one by one, it will waste labor and time.

[0007] Therefore, a feeding device for recycled polyester chips is designed to solve the above problems. Summary of the invention

[0008] The purpose of the present invention is to solve the shortcomings of the background technology and to propose a feeding device for recycled polyester chips.

[0009] To achieve the above purpose, the technical solution adopted by the present invention is: a feeding device for recycled polyester chips, comprising a short support seat, a conveyor belt is installed above the short support seat through a main body mechanism, a plurality of partitions are installed on the outer surface of the conveyor belt, a plurality of limit rings are fixedly installed on the outer surface of the conveyor belt, and each of the limit rings is installed between two partitions, the limit ring is installed with a slide through a sliding mechanism, the slide is installed with a spring through a buckle mechanism, and the slide is installed with a vacuum flap through a suction group mechanism; the vacuum flap is installed with an L-shaped connecting plate through a reset mechanism, and the limit ring is installed with an extension plate through a shifting and fixing mechanism;

[0010] The suction group mechanism includes an annular groove opened on the inner surface of the slide, and a suction cup is fixedly installed on the inner surface of the annular groove to facilitate the adsorption of the polyester barrel. A vacuum hole is opened on the inner surface of the suction cup, and a vacuum flap is movably installed on the outer side of the suction cup. By opening the vacuum flap, the polyester barrel can fall.

[0011] Preferably, the main body mechanism includes two side panels fixedly mounted on the inner surface of the short support seat, a long support seat is fixedly mounted on the outer surface of the front end of the two side panels, and the conveyor belt is movably mounted on the opposite surfaces of the two side panels.

[0012] Preferably, the sliding mechanism includes a movable fixing fixedly mounted on the inner side of the limiting ring, the movable fixing and the sliding piece are movably mounted on the inner surface of the movable fixing, and a handle is fixedly mounted on the outer side of the sliding piece.

[0013] Preferably, the buckle mechanism includes a buckle part fixedly mounted on the lower surface of the movable fastener, a buckle groove is opened on the inner side of the buckle part, three convex grooves are opened on the outer side of the sliding part, a spring is fixedly mounted on the inner surface of each convex groove, a limit plate is fixedly mounted on the outer side of the spring, and the limit plate is movably mounted in the convex groove, a triangular clamp is fixedly mounted on the outer side of the limit plate, and the triangular clamp is movably mounted on the inner surface of the clamp groove.

[0014] Preferably, a pushed post is fixedly mounted on the outer surface of the vacuum flap, a moving post is fixedly mounted on the front end of the side plate on one side, and the moving post is mounted in front of the pushed post.

[0015] Preferably, the reset mechanism includes a connecting piece fixedly mounted on the outside of the sliding piece, an annular fixing piece fixedly mounted on the upper surface of the connecting piece, a vortex spring fixedly mounted on the inner surface of the annular fixing piece, a rotating shaft fixedly mounted on the other end of the vortex spring, and the rotating shaft movably mounted in the annular fixing piece, and the L-shaped connecting plate fixedly mounted on the outer surface of the rotating shaft.

[0016] Preferably, the shifting mechanism includes a fixing groove provided on the inner surface of the limiting ring, a concave fastener is fixedly installed on the inner surface of the fixing groove, a stud is fixedly installed on the inner surface of the concave fastener, a nut threadably matched with the stud is sleeved on the outer surface of the stud, a concave slide is sleeved on the outer surface of the stud, and the concave slide is movably installed on the inner surface of the L-shaped connecting plate, and the nut is movably installed on the side surface of the concave slide, and an extension plate is fixedly installed on the rear surface of the concave slide.

[0017] Preferably, a supporting member is fixedly mounted on the other end of the extension plate, a plurality of rotating openings are provided on the upper surface of the supporting member, and a rotating column is movably mounted on the inner surface of each rotating opening.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] 1. The present invention can realize controlling the position of the polyester barrel by means of a slide, and when fixing polyester barrels of different sizes, the position of the slide is adjusted so that the polyester barrels of different sizes can be fixedly adsorbed on the suction cup, which is convenient for adsorbing the polyester barrel.

[0020] 2. Any pushed column moved to the position of the driving column is squeezed backward by the driven column, thereby driving the vacuum flap connected to it to rotate backward, so that the air in the vacuum hole can circulate, and the suction cup releases air to make the polyester barrel fall into the slicing device below, realizing automatic feeding at the top position.

[0021] 3. The slide is fixed by inserting the triangular card in the slide into the card slot of the buckle, so that the suction cup is fixed in a suitable position to adapt to polyester barrels of different sizes. The staff manually moves the handle up or down to move the triangular card in the middle that was originally in the card slot out, so that the lower or upper triangular card is moved into the card slot. The moved slide fixes the suction cup in a suitable position to adapt to large or small polyester barrels, and the triangular card in the middle fixes the conventional polyester barrel through the suction cup. It has good adaptability and can adapt to the transmission of polyester barrels within a certain size range.

[0022] 4. When the pushed column connected to the vacuum flap is pushed backward, the L-shaped connecting plate and the rotating shaft are driven to rotate with the center point of the annular fixing part as the center of the circle, so that the vortex springs fixed on the rotating shaft and the annular fixing part at both ends are tightened. When the pushed column passes the pushing column, the vortex spring drives the vacuum flap to reset through the rotating shaft. After the polyester barrel is placed at the top position, the vacuum flap can be automatically reset to ensure the continuous transportation and improve the ease of operation.

[0023] 5. The staff adsorbs the polyester barrel on the suction cup through the supporting piece. Through the cooperation between the rotating column and the rotating mouth, the operation of moving the polyester barrel on the supporting piece can be realized simply, easily and accurately, so that the polyester barrel is adsorbed on the suction cup. The supporting piece is fixed at the appropriate position of the conveyor belt by tightening the nut on the stud, so as to lift polyester barrels of different sizes. It has the function of assisting the lateral movement of the polyester barrel, and can better cooperate with the suction cup to arrange and transport the polyester barrel. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic diagram of the overall structure of a feeding device for recycled polyester chips of the present invention;

[0025] Figure 2 This is a schematic diagram of the main mechanism structure of a feeding device for recycled polyester chips of the present invention;

[0026] Figure 3 This is a schematic diagram of the suction cup structure of a feeding device for recycled polyester chips of the present invention;

[0027] Figure 4 This is a schematic diagram of the structure of a sliding mechanism of a feeding device for recycled polyester chips of the present invention;

[0028] Figure 5 This is a schematic diagram of the structure of a slide member of a feeding device for recycled polyester chips of the present invention;

[0029] Figure 6 This is a schematic diagram of the buckle mechanism structure of a feeding device for recycled polyester chips of the present invention;

[0030] Figure 7 This is a schematic diagram of the suction group structure of a feeding device for recycled polyester chips of the present invention;

[0031] Figure 8 This is a schematic structural diagram of a reset mechanism of a feeding device for recycled polyester chips of the present invention;

[0032] Fig. 9 It is a schematic diagram of the structure of a moving and fixing mechanism of a feeding device for recycled polyester chips of the present invention;

[0033] Fig.10 A feeding device for recycled polyester chips according to the present invention Figure 3 A schematic diagram of the enlarged structure at point A;

[0034] Fig.11 It is a schematic diagram of the structure of the stud and the concave fixing device of a feeding device for recycled polyester chips of the present invention;

[0035] Fig.12 This is a schematic structural diagram of a feeding device for recycled polyester chips in use according to the present invention;

[0036] Fig.13 It is a schematic diagram of the structure of a toggle column of a feeding device for recycled polyester chips of the present invention;

[0037] In the figure: 1. short support seat; 2. long support seat; 3. side plate; 4. conveyor belt; 5. partition; 6. toggle column; 7. limit ring; 8. fixing groove; 9. movable fixture; 10. snap-fit ​​part; 11. slot; 12. slide; 13. convex groove; 14. spring; 15. limit plate; 16. triangular clamp; 17. handle; 18. ring groove; 19. suction cup; 20. vacuum flap; 21. toggle column; 22. connecting part; 23. annular fixing part; 24. vortex spring; 25. rotating shaft; 26. L-shaped connecting plate; 27. stud; 28. extension plate; 29. ​​concave slide; 30. nut; 31. supporting part; 32. rotating column; 33. vacuum hole; 34. rotating mouth; 35. polyester barrel; 36. concave fixture. DETAILED DESCRIPTION

[0038] The following description is used to disclose the present invention so that those skilled in the art can implement the present invention. The preferred embodiments described below are only examples, and those skilled in the art may think of other obvious variations.

[0039] like Figure 1-Figure 13 A feeding device for recycled polyester chips shown in the figure comprises a short support seat 1, a conveyor belt 4 is installed above the short support seat 1 through a main body mechanism, and the conveyor belt 4 is rotated by a motor installed outside the side plate 3, which is a prior art and will not be elaborated on here, a plurality of partitions 5 are installed on the outer surface of the conveyor belt 4, and the partitions 5 are loaded with bottles, waste silk, textiles, etc., a plurality of limit rings 7 are fixedly installed on the outer surface of the conveyor belt 4, the limit rings 7 are made of silicone material, which is convenient for following the conveyor belt 4 to move to the bending position, and each limit ring 7 is installed between two partitions 5, the limit ring 7 is installed with a slide 12 through a sliding mechanism, and the position of the polyester barrel 35 is adjusted by the slide 12, the slide 12 is installed with a spring 14 through a buckle mechanism, and the slide 12 is installed with a vacuum flap 20 through a suction group mechanism; the vacuum flap 20 is installed with an L-shaped connecting plate 26 through a reset mechanism, and the limit ring 7 is installed with an extension plate 28 through a shifting mechanism;

[0040] The suction group mechanism includes an annular groove 18 opened on the inner surface of the slide 12, and a suction cup 19 is fixedly installed on the inner surface of the annular groove 18. The suction cup 19 is fixed by the annular groove 18, so that the position of the polyester barrel 35 is controlled by the slide 12. When fixing polyester barrels 35 of different sizes, the position of the slide 12 is adjusted so that polyester barrels 35 of different sizes can be fixedly adsorbed on the suction cup 19, which is convenient for adsorbing the polyester barrel 35. A vacuum hole 33 is opened on the inner surface of the suction cup 19, and a vacuum flap 20 is movably installed on the outer side of the suction cup 19. By opening the vacuum flap 20, the air in the vacuum hole 33 can circulate, and the suction cup 19 is loosened to make the polyester barrel 35 fall into the slicing device below.

[0041] The main mechanism includes two side panels 3 fixedly mounted on the inner surface of the short support seat 1, and a long support seat 2 is fixedly mounted on the outer surface of the front end of the two side panels 3. The short support seat 1 and the long support seat 2 extend outward at the suction cup 19 to prevent the sliding mechanism from interfering with the short support seat 1 or the long support seat 2 when rotating with the conveyor belt 4, causing damage or falling of related parts of the sliding mechanism and thus causing casualties. The conveyor belt 4 is movably mounted on the opposite surfaces of the two side panels 3, and the range of movement of the conveyor belt 4 is limited by the side panels 3, and the upper parts are fixedly lifted by the short support seat 1 and the long support seat 2.

[0042] The sliding mechanism includes a movable fixture 9 fixedly mounted on the inner side of the limiting ring 7, and a slide 12 movably mounted on the inner surface of the movable fixture 9. The movable fixture 9 fixed on the limiting ring 7 allows the slide 12 to be vertically moved and adjusted relative to the limiting ring 7, so that the suction cup 19 can fix polyester barrels 35 of different sizes. A handle 17 is fixedly mounted on the outer side of the slide 12, so that the staff can manually adjust the position of the slide 12 vertically.

[0043] The buckle mechanism includes a buckle 10 fixedly mounted on the lower surface of the movable fixture 9, a buckle 10 is provided with a slot 11 on the inner side, three convex slots 13 are provided on the outer side of the slide 12, a spring 14 is fixedly mounted on the inner surface of each convex slot 13, a limit plate 15 is fixedly mounted on the outer side of the spring 14, and the limit plate 15 is movably mounted in the convex slot 13, a triangular clamp 16 is fixedly mounted on the outer side of the limit plate 15, and the triangular clamp 16 is movably mounted on the inner surface of the slot 11, by clamping the triangular clamp 16 in the slide 12 into the buckle 1 0 in the card slot 11, thereby fixing the slide 12, so that the suction cup 19 is fixed in a suitable position to adapt to polyester barrels 35 of different sizes. The staff manually moves up or down the handle 17 to move the triangular card member 16 originally in the middle of the card slot 11 out, so that the lower or upper triangular card member 16 moves into the card slot 11. The moved slide 12 fixes the suction cup 19 in a suitable position to adapt to large or small polyester barrels 35, and the triangular card member 16 in the middle fixes the conventional polyester barrel 35 through the suction cup 19.

[0044] A pushed column 21 is fixedly installed on the outer surface of the vacuum flap 20, and a driving column 6 is fixedly installed on the front end of one side panel 3, and the driving column 6 is installed in front of the pushed column 21. Any pushed column 21 that follows the conveyor belt 4 to the position of the driving column 6 is squeezed backward by the driven column 6, thereby driving the vacuum flap 20 connected thereto to rotate backward, so that the air in the vacuum hole 33 can circulate, and the suction cup 19 is loosened to cause the polyester barrel 35 to fall into the slicing device below.

[0045] The reset mechanism includes a connecting piece 22 fixedly mounted on the outer side of the sliding piece 12, an annular fixing piece 23 fixedly mounted on the upper surface of the connecting piece 22, the upper component is fixed by the connecting piece 22, a vortex spring 24 fixedly mounted on the inner surface of the annular fixing piece 23, a rotating shaft 25 fixedly mounted on the other end of the vortex spring 24, and the rotating shaft 25 is movably mounted in the annular fixing piece 23, and an L-shaped connecting plate 26 is fixedly mounted on the outer surface of the rotating shaft 25, the rotating shaft 25 movably mounted in the annular fixing piece 23 rotates with the center point of the annular fixing piece 23 as the center of a circle, when the pin 21 connected to the vacuum flap 20 is pushed backward, the L-shaped connecting plate 26 and the rotating shaft 25 are driven to rotate with the center point of the annular fixing piece 23 as the center of a circle, thereby tightening the vortex spring 24 whose two ends are respectively fixed on the rotating shaft 25 and the annular fixing piece 23, and when the pin 21 passed through the pushing pin 6, the vortex spring 24 drives the vacuum flap 20 to reset through the rotating shaft 25.

[0046] The shifting and fixing mechanism includes a fixing groove 8 provided on the inner surface of the limiting ring 7, a concave fixing 36 is fixedly installed on the inner surface of the fixing groove 8, a stud 27 is fixedly installed on the inner surface of the concave fixing 36, a nut 30 which is threadedly matched is sleeved on the outer surface of the stud 27, a concave slide 29 is sleeved on the outer surface of the stud 27, and the concave slide 29 is movably installed on the inner surface of the L-shaped connecting plate 26, and the nut 30 is movably installed on the side surface of the concave slide 29, an extension plate 28 is fixedly installed on the rear surface of the concave slide 29, and the concave slide 29 drives the extension plate 28 to move laterally relative to the concave fixing 36, and the extension plate 28 is fixed at a suitable position of the conveyor belt 4 by tightening the nut 30 on the stud 27, thereby lifting polyester barrels 35 of different sizes.

[0047] A supporting member 31 is fixedly installed at the other end of the extension plate 28. A plurality of rotating openings 34 are opened on the upper surface of the supporting member 31. A rotating column 32 is movably installed on the inner surface of each rotating opening 34, so that the staff can directly adsorb the polyester barrel 35 on the suction cup 19 through the supporting member 31. Through the cooperation between the rotating column 32 and the rotating opening 34, the operation of moving the polyester barrel 35 on the supporting member 31 can be realized simply, easily and accurately, so that the polyester barrel 35 is adsorbed on the suction cup 19, and the supporting member 31 is fixed to the appropriate position of the conveyor belt 4 by tightening the nut 30 on the stud 27, so as to lift polyester barrels 35 of different sizes.

[0048] During use, the assembly line equipment places the polyester waste on the conveyor belt 4, separates the waste by the partition 5, so that it can be transported to the top of the feeding device in batches, and then falls into the slicing device and is cut into thin slices for subsequent processing. When the polyester barrel 35 appears on the conveyor belt 4, the staff takes out the polyester barrel 35 to prevent the polyester barrel 35 from rolling on the conveyor belt 4, causing damage to the equipment and casualties. The staff can quickly and accurately adsorb the polyester barrel 35 on the suction cup 19 through the movable rotating column 32 on the supporting member 31. The polyester barrel 35 moves to the front end of the equipment along with the conveyor belt 4 through the limiting ring 7. When the vacuum flap 20 is turned back, the toggle post 6 fixed on the side plate 3 pushes the toggle post 21 fixed on the outside of the vacuum flap 20, and the toggle post 21 drives the vacuum flap 20, the L-shaped connecting plate 26 and the rotating shaft 25 to rotate with the center point of the rotating shaft 25 as the axis, and the vortex spring 24 fixed on the rotating shaft 25 and the annular fixing member 23 at both ends is tightened until the toggle post 21 is separated from the toggle post 6. When the vacuum flap 20 is turned back, the air in the vacuum hole 33 circulates, and the suction cup 19 is loosened to make the polyester barrel 35 fall vertically into the slicing device below. After the toggle post 21 is separated from the toggle post 6, the vortex spring 24 drives the vacuum flap 20 to reset through the rotating shaft 25;

[0049] In order to adapt to the polyester barrel 35 of a special size, the staff can move the handle 17 on a limiting ring 7 upward in advance, so that the triangular clamp 16 originally in the middle of the card slot 11 is moved out, so that the triangular clamp 16 below is moved into the card slot 11, and the moved slide 12 fixes the suction cup 19 in a suitable position, and at the same time, the concave slide 29 on the limiting ring 7 at that location is moved forward, and then the nut 30 on the outer surface of the stud 27 is tightened, so that the nut 30 is used to fix the concave slide 29, so that the supporting member 31 moves forward, which is more convenient for quickly and accurately adsorbing the large polyester barrel 35 on the suction cup 19 at that location, or the handle 17 on a limiting ring 7 is moved downward in advance, so that the triangular clamp 16 originally in the middle of the card slot 11 is moved into the card slot 11, and the moved slide 12 fixes the suction cup 19 in a suitable position, and at the same time, the concave slide 29 on the limiting ring 7 at that location is moved forward, and then the nut 30 on the outer surface of the stud 27 is tightened, so that the nut 30 is used to fix the concave slide 29, so that the supporting member 31 moves forward, and it is more convenient to quickly and accurately adsorb the large polyester barrel 35 on the suction cup 19 at that location, or the handle 17 on a limiting ring 7 is moved downward in advance, so that the triangular clamp 16 originally in the middle of the card slot 11 is moved into the card slot 11, and the moving slide 12 fixes the suction cup 19 at that location, and at the same time, the moving slide 12 fixes the suction cup 19 at that location, and at the same time, the moving slide 12 fixes the suction cup 19 at that location, and at the same time, the The triangular clamp 16 is moved out, so that the upper triangular clamp 16 is moved into the clamping groove 11. The moved slide 12 fixes the suction cup 19 in a suitable position, and at the same time, the concave slide 29 on the limit ring 7 is moved backward, and then the nut 30 on the outer surface of the stud 27 is tightened, so that the nut 30 fixes the concave slide 29, so that the supporting member 31 moves backward, which makes it more convenient to quickly and accurately adsorb the small polyester barrel 35 on the suction cup 19. In this way, not only can the polyester barrel 35 be transported through the conveyor belt 4, but the staff only needs to adsorb the polyester barrel 35 on the suction cup 19, and the rest of the operations are all automated, avoiding the staff from putting the polyester waste into the slicing device one by one, wasting manpower and time.

[0050] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above implementation cases. The above embodiments and descriptions only describe the principles of the present invention. The present invention may be subject to various changes and improvements without departing from the spirit and scope of the present invention. These changes and improvements fall within the scope of the present invention to be protected. The scope of protection claimed by the present invention is defined by the attached claims and their equivalents.

Claims

1. A feeding device for recycled polyester chips, comprising a short support seat (1), characterized in that: A conveyor belt (4) is installed above the short support seat (1) through a main body mechanism, a plurality of partitions (5) are installed on the outer surface of the conveyor belt (4), a plurality of limit rings (7) are fixedly installed on the outer surface of the conveyor belt (4), and each of the limit rings (7) is installed between two partitions (5), the limit ring (7) is installed with a slide (12) through a sliding mechanism, the slide (12) is installed with a spring (14) through a snap mechanism, and the slide (12) is installed with a vacuum flap (20) through a suction group mechanism; the vacuum flap (20) is installed with an L-shaped connecting plate (26) through a reset mechanism, and the limit ring (7) is installed with an extension plate (28) through a shifting and fixing mechanism; The suction group mechanism comprises an annular groove (18) provided on the inner surface of the slide (12), a suction cup (19) being fixedly mounted on the inner surface of the annular groove (18) for facilitating the suction of the polyester barrel (35); a vacuum hole (33) being provided on the inner surface of the suction cup (19), a vacuum flap (20) being movably mounted on the outer side of the suction cup (19), and the polyester barrel (35) being dropped by opening the vacuum flap (20).

2. The feeding device for recycled polyester chips according to claim 1, characterized in that: The main body mechanism comprises two side plates (3) fixedly mounted on the inner surface of the short support seat (1), a long support seat (2) fixedly mounted on the front end outer surface of the two side plates (3), and the conveyor belt (4) is movably mounted on the opposite surfaces of the two side plates (3).

3. The feeding device for recycled polyester chips according to claim 1, characterized in that: The sliding mechanism comprises a movable fixture (9) fixedly mounted on the inner side of a limiting ring (7), the movable fixture (9) and the sliding member (12) being movably mounted on the inner surface of the movable fixture (9), and a handle (17) being fixedly mounted on the outer side of the sliding member (12).

4. The feeding device for recycled polyester chips according to claim 3 is characterized in that: The buckle mechanism comprises a buckle member (10) fixedly mounted on the lower surface of the movable fixture (9); a buckle slot (11) is provided on the inner side of the buckle member (10); three convex grooves (13) are provided on the outer side of the sliding member (12); a spring (14) is fixedly mounted on the inner surface of each convex groove (13); a limit plate (15) is fixedly mounted on the outer side of the spring (14), and the limit plate (15) is movably mounted in the convex groove (13); a triangular clamping member (16) is fixedly mounted on the outer side of the limit plate (15), and the triangular clamping member (16) is movably mounted on the inner surface of the buckle slot (11).

5. The feeding device for recycled polyester chips according to claim 2, characterized in that: A pushed column (21) is fixedly mounted on the outer surface of the vacuum flap (20), and a moving column (6) is fixedly mounted on the front end of the side plate (3) on one side, and the moving column (6) is mounted in front of the pushed column (21).

6. A feeding device for recycled polyester chips according to claim 5, characterized in that: The reset mechanism comprises a connecting member (22) fixedly mounted on the outside of the sliding member (12); an annular fixing member (23) fixedly mounted on the upper surface of the connecting member (22); a vortex spring (24) fixedly mounted on the inner surface of the annular fixing member (23); a rotating shaft (25) fixedly mounted on the other end of the vortex spring (24); the rotating shaft (25) is movably mounted in the annular fixing member (23); and the L-shaped connecting plate (26) is fixedly mounted on the outer surface of the rotating shaft (25).

7. The feeding device for recycled polyester chips according to claim 1, characterized in that: The shifting and fixing mechanism comprises a fixing groove (8) provided on the inner surface of the limiting ring (7), a concave fixing piece (36) being fixedly installed on the inner surface of the fixing groove (8), a stud (27) being fixedly installed on the inner surface of the concave fixing piece (36), a nut (30) being threadedly matched with the stud (27) being sleeved on the outer surface of the stud (27), a concave sliding piece (29) being sleeved on the outer surface of the stud (27), and the concave sliding piece (29) being movably installed on the inner surface of the L-shaped connecting plate (26), and the nut (30) being movably installed on the side surface of the concave sliding piece (29), and an extension plate (28) being fixedly installed on the rear surface of the concave sliding piece (29).

8. The feeding device for recycled polyester chips according to claim 7, characterized in that: A supporting member (31) is fixedly mounted on the other end of the extension plate (28), a plurality of rotating openings (34) are provided on the upper surface of the supporting member (31), and a rotating column (32) is movably mounted on the inner surface of each rotating opening (34).

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