Circulating crushing device for polyester fiber extrusion

By setting up a crushing component and a feeding component, the polyester fiber crushing device realizes the cyclic crushing of polyester fibers and the blocking of the feed port, solving the problems of poor crushing effect and environmental pollution of the existing device, and improving the crushing effect and the safety of the working environment.

CN223326760UActive Publication Date: 2025-09-12ZHEJIANG BANGXIANG CHEM FIBER CO LTD
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Patent Information

Application Number
CN202422503774.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-16
Publication Date
2025-09-12
Estimated Expiration
2034-10-16

AI Technical Summary

Technical Problem

The existing polyester fiber crushing device has deficiencies in circulation crushing and feed hopper blocking, resulting in poor crushing effect and environmental pollution risks.

Method used

A crushing component and a feeding component are designed. The spiral blades are driven by the rotating shaft to realize the circular feeding of polyester fibers, and the feed port is blocked by the design of a movable cover to prevent debris from flying.

Benefits of technology

It achieves efficient recycling crushing of polyester fibers and prevention of environmental pollution, and improves the crushing effect and the safety of the working environment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a circulating crushing device for polyester fiber extrusion, and relates to the technical field of polyester fiber processing. The device comprises a crushing box, the upper surface of the crushing box is locked and connected with a box cover through bolts, a crushing assembly is arranged in the crushing box, the crushing assembly comprises a spiral blade connected to the peripheral side wall of a rotating shaft in a sleeving mode, and the rotating shaft is rotationally connected to the box cover; a feeding assembly is arranged on the upper surface of the box cover, a movable cover included in the feeding assembly is arranged on the upper surface of the box cover, guide rails symmetrically arranged on the two sides of the box cover are connected to the upper surface of the box cover, and sliding blocks are connected to the upper surfaces of sliding rods symmetrically and fixedly connected to the two side walls of the movable cover. According to the polyester fiber crushing device, the crushing assembly is arranged, polyester fibers are circularly crushed, the polyester fibers are crushed more finely, the feeding assembly is arranged, a feeding port is comprehensively blocked, chippings are better prevented from flying, the working environment is maintained, and the physical health of workers is facilitated.
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Description

Technical Field

[0001] The utility model belongs to the technical field of polyester fiber processing, in particular to a circulating crushing device used for polyester fiber extrusion. Background Art

[0002] Polyester fiber refers to a type of fiber with high modulus and high strength, and polyester fiber has excellent physical and chemical properties; crushing polyester fiber waste facilitates the reproduction of polyester fiber and reduces the waste of polyester fiber materials. At present, staff operate the crushing device for recycled polyester production to crush polyester fiber waste.

[0003] After searching, a patent document with patent publication number CN221659819U discloses a crushing device for recycled polyester production, comprising a supporting base and a supporting frame horizontally and laterally symmetrically arranged on one side of the top of the supporting base, one side of the supporting frame is fixedly connected to a discharging bracket, and the top of the discharging bracket is provided with an anti-splash structure for preventing debris from splashing, and the anti-splash structure includes a protective cover, an outer wall of the protective cover is provided with a sliding structure, and a side of the protective cover close to the support frame is provided with a fixed structure for fixing the position of the protective cover, which intercepts the debris and dust splashed at the discharging bracket by arranging a corresponding anti-splash structure at the discharging bracket, thereby preventing them from polluting the production environment, and at the same time, a sliding structure and a fixed structure are respectively provided at the connection between the protective cover, the discharging bracket and the supporting frame to fix the position of the protective cover and facilitate disassembly and maintenance in daily use.

[0004] However, it still has the following disadvantages in actual use:

[0005] 1. The above-mentioned crushing device for recycled polyester production has a crusher body in the middle of the support frame, a feed hopper for feeding raw materials at the top of the crusher body, a motor at the other side of the top of the support base, and a reducer at the output end of the motor. The motor is started to drive the crusher body to rotate, and the polyester fibers introduced through the feed hopper are crushed. However, it is not convenient to circulate the crushed polyester, and it is not convenient to circulate the crushing process of the polyester fibers, which reduces the fineness of the crushed polyester fibers.

[0006] 2. The above-mentioned crushing device for recycled polyester production comprises a support base and a support frame symmetrically arranged horizontally on one side of the top of the support base, one side of the support frame is fixedly connected to a discharging bracket, and the top of the discharging bracket is provided with an anti-splashing structure for preventing debris from splashing, the anti-splashing structure comprises a protective cover, the outer wall of the protective cover is provided with a sliding structure, and the side of the protective cover close to the support frame is provided with a fixed structure for fixing the position of the protective cover, which can effectively intercept the flying crusher dust and make the crushed polyester fall downward, avoiding environmental pollution caused by the splashing of the crusher dust. However, it is inconvenient to block the entrance of the feed hopper, resulting in debris being discharged through the upper port of the feed hopper, causing damage to the working environment and even posing a threat to the health of the staff.

[0007] To this end, we provide a circulating crushing device for polyester fiber extrusion to solve the above problems. Utility Model Content

[0008] The purpose of the utility model is to provide a circulating crushing device for polyester fiber extrusion. By setting a crushing component, the rotating shaft drives the spiral blade to rotate, thereby realizing the circulating feeding of polyester fibers, and the rotating crushing knife circulates and crushes the polyester fibers. In addition, a feeding component is set to fully block the feeding port on the box cover to prevent debris from flying and polluting the working environment, which is beneficial to the health of the workers and solves the technical problems raised in the background technology of the above-mentioned crushing device for recycled polyester production.

[0009] In order to solve the above technical problems, the present invention is achieved through the following technical solutions:

[0010] The cam is connected to the upper cover of the box body by a screw bolt, and the cam is connected to the lower cover of the box body by a screw bolt.

[0011] The present invention is further configured such that the lower end surface of the motor connected to the upper surface of the box cover is connected to a stirring shaft, and a crushing knife is connected to the peripheral side wall of the stirring shaft.

[0012] The utility model is further configured such that the driving wheel sleeved on the peripheral side wall of the stirring shaft is located above the box cover, the driving wheel is connected to the driven wheel through a transmission belt, and the driven wheel is sleeved on the peripheral side wall of the rotating shaft.

[0013] The utility model is further configured such that the inner bottom of the crushing box is connected with a partition, and the side wall of the partition is sequentially provided with an upper port and a lower port from top to bottom.

[0014] The utility model is further configured such that a material blocking cover is hingedly connected to the lower surface of the crushing box via a hinge, and bolts are threadedly connected to the lower surfaces of ear seats connected in a ring array on the peripheral side walls of the material blocking cover.

[0015] The utility model is further configured such that an ear block is fixedly connected to the side wall of the movable cover away from the stop block, and a screw is threadedly connected to the upper surface of the ear block.

[0016] The present invention is further configured such that the guide rail is L-shaped, the slide groove is T-shaped, the slide rod is T-shaped, and the outer diameter of the spring is greater than the inner diameter of the screw sleeve.

[0017] The utility model is further configured such that a movable assembly is provided on the lower surface of the crushing box, and the movable assembly includes a support leg connected to the lower surface of a base plate, the base plate is sleeved on the outside of the crushing box, the base plate is in a circular shape, and the lower surface of the support leg is connected to a self-locking universal wheel.

[0018] The utility model has the following beneficial effects:

[0019] The present invention provides a crushing assembly, starts the motor, rotates the stirring shaft, and rotates the crushing blade to crush the polyester fibers entering the crushing box. The transmission belt, the driving wheel, and the driven wheel cooperate to rotate the rotating shaft to drive the spiral blade to rotate, thereby feeding the polyester fibers in a cycle, crushing the polyester fibers in a cycle, and crushing the polyester fibers more delicately. The present invention provides a feeding assembly, applies tension to the screw, contracts the spring, and gradually opens the movable cover. The screw is tightened counterclockwise to lock the position of the movable cover, and the polyester fibers are introduced into the crushing box. The screw is loosened clockwise and the movable cover is closed, effectively preventing polyester fiber debris from flying during the crushing process, maintaining a good workplace environment, and benefiting the health of the workers. Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following briefly introduces the drawings required for describing the embodiments.

[0021] Figure 1 It is a three-dimensional schematic diagram of a circulating crushing device for polyester fiber extrusion;

[0022] Figure 2 This is a schematic diagram of the connection between the box cover, the rotating shaft and the stirring shaft;

[0023] Figure 3 Schematic diagram of the connection between the crushing box and the partition Figure 1 ;

[0024] Figure 4 Schematic diagram of the connection between the crushing box and the partition Figure 2 ;

[0025] Figure 5 This is a schematic diagram of the connection between the crushing box and the material blocking cover;

[0026] Figure 6 Schematic diagram of the structure of the feed component.

[0027] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0028] 1- Crushing box, 101- Box cover, 101a- Bolt, 102- Partition, 102a- Upper port, 102b- Lower port, 103- Material blocking cover, 103a- Ear seat, 103b- Hinge, 2- Crushing assembly, 201- Motor, 201a- Stirring shaft, 201b- Crushing knife, 202- Transmission belt, 202a- Driven wheel, 202b- Driving wheel, 203- Rotating shaft, 203 a-spiral blade, 3-feeding assembly, 301-movable cover, 301a-ear block, 301b-screw, 302-guide rail, 302a-slide groove, 302b-guide groove, 302c-stopper, 303-slide rod, 303a-slider, 304-guide rod, 304a-spring, 304b-screw sleeve, 4-moving assembly, 401-base plate, 402-support foot, 402a-self-locking universal wheel. DETAILED DESCRIPTION

[0029] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0030] Example 1

[0031] See also Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5 The utility model is a cyclic crushing device for polyester fiber extrusion, comprising a crushing box 1, wherein a crushing assembly 2 is provided inside the crushing box 1. The crushing assembly 2 comprises a motor 201, a stirring shaft 201a, a crushing knife 201b, a transmission belt 202, a driven wheel 202a, a driving wheel 202b, a rotating shaft 203 and a spiral blade 203a. The motor 201 is controlled to make the rotating crushing knife 201b crush the polyester fiber, and the rotation of the spiral blade 203a realizes the cyclic crushing of the polyester fiber, making the polyester fiber crushed more finely.

[0032] Specifically, a box cover 101 is provided on the upper surface of the crushing box 1, and the upper surface of the box cover 101 is threadedly connected with bolts 101a in a rectangular array. A partition 102 is connected to the inner bottom of the crushing box 1, and an upper port 102a and a lower port 102b are sequentially opened on the side wall of the partition 102 from top to bottom. A material blocking cover 103 is hingedly connected to the lower surface of the crushing box 1 through a hinge 103b. An ear seat 103a is connected to the peripheral side wall of the material blocking cover 103, and the lower surface of the ear seat 103a is threadedly connected with bolts 101a. The motor 201 is connected to the upper surface of the box cover 101, and the lower surface of the motor 201 is connected to the stirring shaft 201a. The stirring shaft 201a is rotatably connected to the box cover 101, and the stirring shaft 201a A crushing knife 201b is connected to the circumferential side wall of the box, a driving wheel 202b is sleeved on the circumferential side wall of the stirring shaft 201a, and the driving wheel 202b is located above the box cover 101, the box cover 101 is rotatably connected to the rotating shaft 203, a spiral blade 203a is sleeved on the circumferential side wall of the rotating shaft 203, and the spiral blade 203a is located inside the crushing box 1, the upper end of the spiral blade 203a corresponds to the position of the upper port 102a, and the lower end of the spiral blade 203a corresponds to the position of the lower port 102b, the driven wheel 202a is sleeved on the circumferential side wall of the rotating shaft 203, and the driven wheel 202a is located above the box cover 101, and the driven wheel 202a is transmission-connected to the driving wheel 202b via a transmission belt 202;

[0033] Furthermore, the three ear seats 103a are arranged in a circular array;

[0034] The operating process of this embodiment is as follows: the staff starts the motor 201, the stirring shaft 201a rotates, the crushing knife 201b rotates, and the rotating crushing knife 201b crushes the polyester fiber. At the same time, the driving wheel 202b rotates, the transmission belt 202 drives the driven wheel 202a to rotate, the rotating shaft 203 rotates, the spiral blade 203a rotates, and the crushed polyester fiber passes through the lower port 102b and enters the lower end of the spiral blade 203a, and the rotating spiral blade 203a passes the crushed polyester fiber through the upper port 102a to be crushed by the rotating crushing knife 201b again; when the staff loosens the bolt 101a on the ear seat 103a clockwise, the material blocking cover 103 moves in a circular arc with the hinge 103b as the fixed point, and the material blocking cover 103 opens, and the crushed polyester fiber is discharged.

[0035] Example 2

[0036] See also Figure 1 and Figure 6 On the basis of the specific embodiment 1, a feeding assembly 3 is provided, which includes a movable cover 301, an ear block 301a, a screw 301b, a guide rail 302, a slide bar 303, a slider 303a, a guide bar 304, a spring 304a and a screw sleeve 304b. When the screw 301b is pulled, the spring 304a contracts, and the movable cover 301 is opened, which facilitates the feeding of polyester fibers. Conversely, the opened movable cover 301 is closed, which effectively prevents debris from flying during the polyester fiber crushing process, improves the polyester fiber crushing environment, and is beneficial to the health of the workers.

[0037] Specifically, the movable cover 301 is set on the upper surface of the box cover 101, and a slide rod 303 is connected to the side wall of the movable cover 301. The upper surface of the slide rod 303 is connected to a slider 303a, and an ear block 301a is fixed to one side wall of the movable cover 301. The ear block 301a is threadedly connected to a screw 301b. The guide rail 302 is connected to the upper surface of the box cover 101, and a slide groove 302a is opened on the inner side wall of the guide rail 302. The slide rod 303 is slidably connected to the inside of the slide groove 302a. The inner top of the guide rail 302 is opened. A guide groove 302b is provided, and a slider 303a is slidably connected to the inside of the guide groove 302b. A stopper 302c is fixed to the end of the guide rail 302. A guide rod 304 is connected to the inner side wall of the stopper 302c. The end of the guide rod 304 passes through the slider 303a, and a spring 304a is sleeved on the peripheral side wall of the guide rod 304. One end of the spring 304a is connected to the side wall of the slider 303a. A screw sleeve 304b is threadedly connected to the peripheral side wall of the guide rod 304, and the other end of the spring 304a is connected to the end of the screw sleeve 304b.

[0038] Furthermore, the two slide bars 303 are symmetrically arranged, and the slide bars 303 are T-shaped, the two guide rails 302 are symmetrically arranged, and the guide rails 302 are L-shaped, and the slide groove 302a is T-shaped;

[0039] The operating process of this embodiment is as follows: the staff applies a pulling force to the screw 301b, the slide bar 303 slides along the slide groove 302a, the slider 303a slides along the guide groove 302b, the spring 304a contracts, and the movable cover 301 gradually opens. After the movable cover 301 is fully opened, the screw 301b is rotated counterclockwise to lock the position of the movable cover 301, and the polyester fiber enters the interior of the crushing box 1 through the feeding slot opened on the box cover 101. When the polyester fiber is loaded, the screw 301b is loosened clockwise to release the lock on the position of the movable cover 301, the contracted spring 304a extends, and the movable cover 301 is closed.

[0040] Example 3

[0041] See also Figure 1 Based on the first and second embodiments, a moving assembly 4 is provided. The moving assembly 4 includes a base plate 401, a support leg 402, and a self-locking universal wheel 402a. The self-locking universal wheel 402a is provided to facilitate staff to adjust the position of the circulating crushing device for polyester fiber extrusion on the ground.

[0042] Specifically, the base plate 401 is sleeved on the outside of the crushing box 1, and the lower surface of the base plate 401 is connected to the support leg 402, and the lower surface of the support leg 402 is connected to the self-locking universal wheel 402a;

[0043] Furthermore, the four legs 402 are arranged in a rectangular array, and the legs 402 are in an I-shape, and the base plate 401 is in a U-shape;

[0044] The operating process of this embodiment is as follows: the staff pushes the crushing box 1, the self-locking universal wheel 402a moves, the base plate 401 moves, the circulating crushing device for polyester fiber extrusion moves to the working position, and the brake on the self-locking universal wheel 402a is locked, so that the circulating crushing device for polyester fiber extrusion stands stably on the ground.

[0045] Throughout this specification, references to terms such as "one embodiment," "example," or "specific example" indicate that a specific feature, structure, material, or characteristic described in conjunction with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of these terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0046] The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments do not describe all details in detail, nor do they limit the present invention to the specific embodiments described. Obviously, many modifications and variations are possible based on the contents of this specification. These embodiments are selected and described in detail in this specification to better explain the principles and practical applications of the present invention, thereby enabling those skilled in the art to better understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A circulating crushing device for polyester fiber extrusion, comprising a crushing box (1), the upper surface of the crushing box (1) being locked and connected to a box cover (101) by bolts (101a), characterized in that: A crushing assembly (2) is provided inside the crushing box (1), and the crushing assembly (2) includes a spiral blade (203a) sleeved on the peripheral side wall of a rotating shaft (203), and the rotating shaft (203) is rotatably connected to the box cover (101); The upper surface of the box cover (101) is provided with a feeding assembly (3), and the movable cover (301) included in the feeding assembly (3) is provided on the upper surface of the box cover (101), and the guide rails (302) symmetrically provided on both sides of the box cover (101) are connected to the upper surface of the box cover (101), and the upper surfaces of the sliding rods (303) symmetrically fixed to the two side walls of the movable cover (301) are connected with sliders (303a), and the sliding rods (303) are slidably connected to the sliding grooves (302a) provided on the inner side walls of the guide rails (302). The block (303a) is slidably connected to a guide groove (302b) opened on the inner top of the guide rail (302); a guide rod (304) is connected to the inner side wall of the stop block (302c) connected to the end of the guide rail (302); the guide rod (304) passes through the slider (303a); one end of a spring (304a) sleeved on the peripheral side wall of the guide rod (304) is connected to the side wall of the slider (303a); and the end face of a screw sleeve (304b) threadedly connected to the peripheral side wall of the guide rod (304) is connected to the other end of the spring (304a).

2. A circulating crushing device for polyester fiber extrusion according to claim 1, characterized in that: The lower end surface of the motor (201) connected to the upper surface of the box cover (101) is connected to a stirring shaft (201a), and a crushing blade (201b) is connected to the peripheral side wall of the stirring shaft (201a).

3. The circulating crushing device for polyester fiber extrusion according to claim 2, characterized in that: A driving wheel (202b) sleeved on the peripheral side wall of the stirring shaft (201a) is located above the box cover (101); the driving wheel (202b) is connected to a driven wheel (202a) via a transmission belt (202); and the driven wheel (202a) is sleeved on the peripheral side wall of the rotating shaft (203).

4. The circulating crushing device for polyester fiber extrusion according to claim 1, characterized in that: The inner bottom of the crushing box (1) is connected to a partition (102), and an upper port (102a) and a lower port (102b) are sequentially opened on the side wall of the partition (102) from top to bottom.

5. The circulating crushing device for polyester fiber extrusion according to claim 4, characterized in that: The lower surface of the crushing box (1) is hingedly connected to a material blocking cover (103) via a hinge (103b), and the lower surfaces of ear seats (103a) connected in a circular array on the peripheral side wall of the material blocking cover (103) are threadedly connected to bolts (101a).

6. The circulating crushing device for polyester fiber extrusion according to claim 1, characterized in that: An ear block (301a) is fixedly connected to the side wall of the movable cover (301) away from the stop block (302c), and a screw rod (301b) is threadedly connected to the upper surface of the ear block (301a).

7. The circulating crushing device for polyester fiber extrusion according to claim 1, characterized in that: The guide rail (302) is L-shaped, the slide groove (302a) is T-shaped, the slide rod (303) is T-shaped, and the outer diameter of the spring (304a) is greater than the inner diameter of the screw sleeve (304b).

8. The circulating crushing device for polyester fiber extrusion according to claim 1, characterized in that: The lower surface of the crushing box (1) is provided with a moving component (4), and the moving component (4) includes legs (402) connected to the lower surface of a substrate (401). The substrate (401) is sleeved on the outer side of the crushing box (1), the substrate (401) is in a shape of a Chinese character 'hui', and the lower surface of the leg (402) is connected with a self-locking universal wheel (402a).