Crushing device for recycled polyester special material for chemical fiber

Abstract

The utility model discloses a crushing device for a regenerated polyester special material for chemical fiber, which comprises a crushing box, a material guide plate, a crushing mechanism and a screening mechanism, and the top and the bottom of the crushing box are respectively provided with a feed port and a discharge port; the material guide plate is obliquely arranged in the crushing box and is positioned below the feeding hole; the crushing mechanism comprises a limiting shell, a driving shaft, a crushing cutter cylinder and a power end; the limiting shell is arranged on the inner wall of the smashing box, the driving shaft is axially arranged in the smashing box, a smashing cutter cylinder is fixed to the driving shaft, and the tail end of the driving shaft is connected with the power end; the screening mechanism comprises a screening frame, a transverse plate, a buffering end and a reset end. The material crushing device disclosed by the utility model has the beneficial effects that the technical problems that although a material crushing device in the prior art has a certain crushing effect, the crushing efficiency is relatively low, and crushed materials cannot be screened, so that the overall crushing efficiency is influenced are solved.

Description

Technical Field

[0001] This utility model relates to the field of chemical fiber processing technology, specifically to a crushing device for recycled polyester special materials for chemical fibers. Background Technology

[0002] As people's living standards improve, their environmental awareness is also increasing. When recycling waste polyester bottles, they usually need to be crushed and processed before being recycled and reused. People are paying more and more attention to the recycling and utilization of waste plastics such as cola bottles and drinking bottles. When producing recycled polyester special materials for chemical fibers using waste plastics as raw materials, crushing equipment is usually required to crush and process the waste plastics.

[0003] Chinese utility model CN218700503U discloses a "crushing device for producing recycled polyester special material for chemical fibers". The device includes a crushing equipment body, a motor installed on the top outer wall of the crushing equipment body, and a rotating hole opened on the top outer wall of the crushing equipment body. A connecting shaft is rotatably connected to the inner wall of the rotating hole. A drive gear is installed on the outer wall of the connecting shaft. A driven gear is rotatably connected to the top inner wall of the crushing equipment body. The driven gear meshes with the outer wall of the drive gear. The same connecting shaft is fixedly connected to the bottom outer wall of the driven gear. Multiple linearly arranged crushing blades are fixedly connected to both ends of the outer wall of the connecting shaft. A second connecting shaft is rotatably connected to the inner wall of the crushing equipment body through a second motor. This device mainly improves the crushing efficiency of the equipment for materials. However, the screening efficiency of the crushed material is low, and it is impossible to screen the crushed material, which affects the subsequent processing of the material. Utility Model Content

[0004] The purpose of this utility model is to overcome the above-mentioned technical deficiencies and provide a special crushing device for recycled polyester materials for chemical fibers. This solves the technical problem that although the existing material crushing devices have a certain crushing effect, their crushing efficiency is low and they cannot screen the crushed materials, which affects the overall crushing efficiency.

[0005] To achieve the above-mentioned technical objectives, the present invention adopts the following technical solution:

[0006] In a first aspect, this utility model provides a crushing device for recycled polyester materials used in chemical fibers, comprising:

[0007] The crushing box has a feed inlet and a discharge outlet at its top and bottom, respectively.

[0008] A guide plate is inclinedly disposed inside the crushing box and located below the feed inlet;

[0009] A crushing mechanism includes a limiting shell, a drive shaft, a crushing blade cylinder, and a power end; the limiting shell is disposed on the inner wall of the crushing chamber, the drive shaft is axially arranged inside the crushing chamber, and the crushing blade cylinder is fixed on the drive shaft, and the power end is connected to the end of the drive shaft;

[0010] The screening mechanism includes a screen frame, a horizontal plate, a buffer end, and a reset end. The screen frame is located above the discharge port. The horizontal plate is fixed to the inner wall of the crushing box. The buffer end is provided on the horizontal plate. The screen frame is elastically connected to the buffer end. The reset end is located at the lower end of the screen frame and reciprocates under the drive of the power end, causing the screen frame to shake up and down.

[0011] In some embodiments, a material guiding protrusion is provided inside the crushing chamber and below the reset end, and there are two discharge ports, which are respectively provided on both sides of the material guiding protrusion.

[0012] In some embodiments, guide plates are provided at the lower end of the sieve frame and on both sides of the inner wall of the crushing chamber.

[0013] In some embodiments, mounting brackets are connected to both sides of the crushing box, and a counterweight base is connected to the lower end of the mounting brackets.

[0014] In some embodiments, the guide plate includes a first plate and a second plate; the first plate is inclinedly disposed at the lower end of the feed inlet, and the second plate is inclinedly disposed below the first plate, and the inclination direction of the second plate is opposite to the inclination direction of the first plate.

[0015] In some embodiments, the drive shaft includes a first shaft and a second shaft; both the first shaft and the second shaft are axially arranged inside the crushing chamber, and limit shells are provided on both sides of the first shaft and the second shaft. Crushing blades are fixed on the first shaft and the second shaft, and one end of the first shaft passes through the crushing chamber and is connected to the power end.

[0016] In some embodiments, the power end includes a drive motor, a main gear, a secondary gear, a first transmission gear, a second transmission gear, and a transmission chain; the output end of the drive motor is connected to the first shaft, the end of the first shaft is connected to the main gear, the outer circumference of the main gear meshes with the secondary gear, the secondary gear is mounted on the second shaft, the end of the second shaft and the side away from the secondary gear are fixed with the first transmission gear, the second transmission gear is disposed on the reset end, and a transmission chain is disposed between the first transmission gear and the second transmission gear.

[0017] In some embodiments, the sieve frame has a plurality of sieve holes, and a protruding end is provided in the middle of the sieve frame.

[0018] In some embodiments, the buffer end includes a column, a spring strip, and a limiting ring; there are two horizontal plates, which are symmetrically installed on both sides of the inner wall of the crushing box, and the column is fixed on either horizontal plate. The screen frame is slidably connected to the column, and the spring strip is fixed on the upper and lower ends of the screen frame. The upper end of the column is provided with a limiting ring.

[0019] In some embodiments, the reset end includes a third shaft and a pressing block. The third shaft is axially arranged inside the crushing chamber and located at the lower end of the screen frame. The pressing block is fixed on the third shaft and is used to push the screen frame to slide on the column. The second transmission gear is fixed at the end of the third shaft. A material conveying mechanism is also provided at the lower end of the crushing chamber. The material conveying mechanism includes a conveyor belt and a material conveying frame. The conveyor belt is located below the discharge port and the material conveying frame is provided on the conveyor belt.

[0020] Compared with the prior art, the present invention provides a special crushing device for recycled polyester materials for chemical fibers. This device features a feed inlet on the crushing chamber for easy feeding of the material to be crushed. Symmetrical limiting shells are installed on the inner wall of the crushing chamber to shorten the internal space, creating a crushing zone where the material falls concentrated. A crushing blade cylinder is installed within this zone for crushing the material. The crushed material falls onto a screen frame, where unqualified materials are collected and screened for subsequent secondary processing. The device provides power to both the crushing blade cylinder and the reset end. The reset end then drives the screen frame to vibrate up and down on the buffer end, further improving the screening efficiency of the screen frame. Attached Figure Description

[0021] Figure 1 This is an internal schematic diagram of the pulverizing device for recycled polyester special material for chemical fibers provided in this embodiment of the utility model;

[0022] Figure 2 This is a partial schematic diagram of the pulverizing device for recycled polyester special material for chemical fibers provided in this embodiment of the utility model;

[0023] Figure 3 This is a side view of the crushing device for recycled polyester special material for chemical fibers provided in this embodiment of the utility model;

[0024] Figure 4 This is a front view of the crushing device for recycled polyester special material for chemical fibers provided in this embodiment of the utility model;

[0025] Figure 5This is a schematic diagram of the back structure of the pulverizing device for recycled polyester special material for chemical fibers provided in this embodiment of the utility model.

[0026] Explanation of reference numerals in the attached drawings: 1. Crushing box; 11. Feed inlet; 12. Discharge outlet; 13. Guide protrusion; 14. Guide plate; 15. Mounting bracket; 16. Counterweight base; 2. Guide plate; 21. First plate; 22. Second plate; 3. Crushing mechanism; 31. Limiting shell; 32. Drive shaft; 321. First shaft; 322. Second shaft; 33. Crushing blade cylinder; 34. Power end; 341. Drive motor; 342. Main gear 343. Wheel; 344. Secondary gear; 345. First transmission gear; 346. Transmission chain; 4. Screening mechanism; 41. Screen frame; 411. Screen hole; 412. Protruding end; 42. Horizontal plate; 43. Buffer end; 431. Column; 432. Spring strip; 433. Limiting ring; 44. Reset end; 441. Third shaft; 442. Extrusion block; 5. Material conveying mechanism; 51. Conveyor belt; 52. Material conveying frame. Detailed Implementation

[0027] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0028] To address the technical problem that existing material crushing devices, while possessing a certain crushing effect, have low crushing efficiency and cannot screen the crushed material, thus affecting the overall crushing efficiency, this utility model provides a crushing device for recycled polyester materials used in chemical fibers. This device can improve the crushing effect of the crushing device and simultaneously screen the crushed material, ensuring the crushing efficiency of the equipment.

[0029] It should be noted that the special crushing device for recycled polyester materials for chemical fibers described in this utility model is used in, but not limited to, the field of chemical fiber processing. For ease of explanation, this utility model only uses the application of the special crushing device for recycled polyester materials for chemical fibers in the field of chemical fiber processing as an example. The principle of the special crushing device for recycled polyester materials for chemical fibers in other types of equipment is essentially the same as that in the field of chemical fiber processing, and will not be described in detail here.

[0030] Please see Figure 1 , Figure 1This is a schematic diagram of the structure of a crushing device for recycled polyester special material for chemical fibers according to an embodiment of the present invention. The crushing device includes a crushing box 1, a guide plate 2, a crushing mechanism 3, and a screening mechanism 4. The crushing box 1 has an inlet 11 at its top and an outlet 12 at its bottom. The guide plate 2 is inclinedly disposed inside the crushing box 1 and located below the inlet 11. The crushing mechanism 3 includes a limiting shell 31, a drive shaft 32, a crushing cylinder 33, and a power end 34. The limiting shell 31 is disposed on the inner wall of the crushing box 1, and the drive shaft 3... The 2 are axially arranged inside the crushing box 1, and the crushing blade cylinder 33 is fixed on the drive shaft 32. The end of the drive shaft 32 is connected to the power end 34. The screening mechanism 4 includes a screen frame 41, a horizontal plate 42, a buffer end 43 and a reset end 44. The screen frame 41 is set above the discharge port 12. The horizontal plate 42 is fixed to the inner wall of the crushing box 1. The buffer end 43 is set on the horizontal plate 42. The screen frame 41 is elastically connected to the buffer end 43. The reset end 44 is set at the lower end of the screen frame 41 and reciprocates under the drive of the power end 34, causing the screen frame 41 to shake up and down.

[0031] In this embodiment, a feed inlet 11 is provided on the crushing box 1 to facilitate the input of the material to be crushed into the crushing box 1. A limiting shell 31 is symmetrically provided on the inner wall of the crushing box 1 to shorten the internal space of the crushing box 1, forming a crushing area, so that the material falls into the crushing area. A crushing blade cylinder 33 is provided in the crushing area to facilitate the crushing of the material. The crushed material falls onto the screen frame 41, and unqualified materials are screened to facilitate subsequent secondary processing. The device provides power support to the crushing blade cylinder 33 through the power end 34 and also provides power support to the reset end 44. The reset end 44 pushes the screen frame 41 to shake up and down on the buffer end 43, thereby further improving the screening efficiency of the screen frame 41.

[0032] In one embodiment, please refer to Figure 1 and Figure 2 To improve the material guiding efficiency, a guiding protrusion 13 is provided inside the crushing box 1 and below the reset end 44. There are two discharge ports 12, which are respectively provided on both sides of the guiding protrusion 13. A guide plate 14 is provided on both sides of the inner wall of the crushing box 1 at the lower end of the screen frame 41. The two sides of the crushing box 1 are connected to the mounting brackets 15, and the lower end of the mounting brackets 15 is connected to the counterweight base 16. The guide plate 2 includes a first plate 21 and a second plate 22. The first plate 21 is inclinedly provided at the lower end of the feed port 11, and the second plate 22 is inclinedly provided below the first plate 21, and the inclination direction of the second plate 22 is opposite to the inclination direction of the first plate 21.

[0033] In this embodiment, a guide protrusion 13 is provided below the reset end 44, and the middle of the guide protrusion 13 is arc-shaped, which facilitates the circumferential rotation of the reset end 44. The guide protrusion 13 is high at both ends and concave in the middle, which facilitates the flow of materials. Two discharge ports 12 are provided to facilitate the discharge of materials. A guide plate 14 is provided on the inner wall of the crushing box 1 to facilitate the flow of materials and avoid material accumulation. Mounting brackets 15 are provided on both sides of the crushing box 1, and a counterweight base 16 is provided at the lower end of the mounting brackets 15 to enhance the stability of the entire crushing box 1. A first plate 21 and a second plate 22 with opposite inclination directions are provided at the lower end of the feed inlet 11 to guide the materials and prevent the materials from splashing during the crushing process.

[0034] In one embodiment, please refer to Figure 1 - Figure 5 The drive shaft 32 includes a first shaft body 321 and a second shaft body 322. Both the first shaft body 321 and the second shaft body 322 are axially arranged inside the crushing chamber 1. Limiting shells 31 are provided on both sides of the first shaft body 321 and the second shaft body 322. Crushing blade cylinders 33 are fixed on the first shaft body 321 and the second shaft body 322. One end of the first shaft body 321 passes through the crushing chamber 1 and is connected to a power end 34. The power end 34 includes a drive motor 341, a main gear 342, a secondary gear 343, a first transmission gear 344, and a second transmission gear. The drive motor 341 has a drive chain 346 and a drive motor 341. The output end of the drive motor 341 is connected to the first shaft 321. The end of the first shaft 321 is connected to a main gear 342. The outer circumference of the main gear 342 is meshed with a secondary gear 343. The secondary gear 343 is mounted on the second shaft 322. The end of the second shaft 322 and the side away from the secondary gear 343 is fixed with a first transmission gear 344. The second transmission gear 345 is set on the reset end 44. The drive chain 346 is set between the first transmission gear 344 and the second transmission gear 345.

[0035] In this embodiment, the first shaft 321 and the second shaft 322 are axially arranged inside the crushing box 1, and the output end of the drive motor 341 is connected to the first shaft 321. The end of the first shaft 321 is connected to the main gear 342, and the second shaft 322 is provided with a secondary gear 343 and a first transmission gear 344. The main gear 342 and the secondary gear 343 cooperate to make the first shaft 321 and the second shaft 322 rotate in opposite directions, and drive the crushing cylinder 33 to crush the material. When the second shaft 322 rotates, the first transmission gear 344 and the transmission chain 346 cooperate to drive the second transmission gear 345 and the third shaft 441 to rotate. The third shaft 441 drives the reset end 44 to rotate circumferentially and pushes the screen frame 41 to move back and forth up and down, thereby achieving the effect of shaking and screening the material.

[0036] In one embodiment, please refer to Figure 1 - Figure 5 To improve the screening efficiency of the screen frame 41, multiple screen holes 411 are provided on the screen frame 41. A protruding end 412 is provided in the middle of the screen frame 41. The buffer end 43 includes a column 431, a spring strip 432, and a limiting ring 433. There are two horizontal plates 42, which are symmetrically installed on both sides of the inner wall of the crushing box 1. A column 431 is fixed on each horizontal plate 42. The screen frame 41 is slidably connected to the column 431. The spring strip 432 is fixed on the column 431 at the upper and lower ends of the screen frame 41. A limiting ring 433 is provided at the upper end of the column 431. The end 44 includes a third shaft 441 and an extrusion block 442. The third shaft 441 is axially arranged inside the crushing box 1 and located at the lower end of the screen frame 41. The extrusion block 442 is fixed on the third shaft 441. The extrusion block 442 is used to push the screen frame 41 to slide on the column 431. The end of the third shaft 441 is fixed with a second transmission gear 345. The lower end of the crushing box 1 is also provided with a material conveying mechanism 5. The material conveying mechanism 5 includes a conveyor belt 51 and a material conveying frame 52. The conveyor belt 51 is located below the discharge port 12, and the material conveying frame 52 is provided on the conveyor belt 51.

[0037] In this embodiment, multiple sieve holes 411 are provided for screening the crushed material, allowing qualified material to pass through the sieve frame 41 and fall into the conveyor box 52 on the conveyor belt 51 through the discharge port 12 for centralized processing. A cabinet door is also provided on the crushing box 1, allowing workers to open it to centrally process unqualified material inside the sieve frame 41. To facilitate the up-and-down shaking of the sieve frame 41, a third shaft 441 is provided at the lower end of the sieve frame 41. A second transmission gear 345 is provided on 441. The second transmission gear 345 cooperates with the first transmission gear 344 through the transmission chain 346, so that its second shaft 322 drives the extrusion block 442 to rotate circumferentially and pushes the screen frame 41 to vibrate up and down on the column 431. A spring strip 432 and a limit ring 433 are provided on the column 431, so that the screen frame 41 can only vibrate up and down on the column 431. This can improve the screening efficiency of the screen frame 41 for materials and ensure the crushing effect of the crushing device.

[0038] To better understand this utility model, the following is combined with... Figures 1 to 5The technical solution of this utility model is described in detail below: The worker pours the material to be crushed into the crushing box 1 through the feed inlet 11, and the material rolls on the first plate 21 and the second plate 22. The crushing is performed by the crushing blades 33 on the first shaft 321 and the second shaft 322. During the crushing process, the drive motor 341 drives the first shaft 321 to rotate. The main gear 342 and the auxiliary gear 343 on the first shaft 321 cooperate to drive the second shaft 322 to rotate. The end of the second shaft 322 is connected to the first transmission gear 344, and the first transmission gear 344 and the transmission chain 346 cooperate to rotate the second shaft 322. The second transmission gear 345 is driven to rotate, and the extrusion block 442 is driven to rotate through the third shaft 441. The extrusion block 442 is driven to rotate, and the screen frame 41 is driven to vibrate up and down on the column 431. The column 431 is equipped with a spring strip 432 and a limit ring 433 to limit the vibration amplitude of the screen frame 41 and ensure its vibration efficiency. During the vibration process, the material in the screen frame 41 vibrates synchronously, so that the screen holes 411 screen the material. The qualified material falls into the conveyor belt 51 and the conveying frame 52 through the discharge port 12 for centralized subsequent processing. The unqualified material is collected in the screen frame 41 for secondary processing.

[0039] The specific embodiments of this utility model described above do not constitute a limitation on the scope of protection of this utility model. Any other corresponding changes and modifications made based on the technical concept of this utility model should be included within the scope of protection of the claims of this utility model.

Claims

1. A crushing device for recycled polyester materials used in chemical fibers, characterized in that, include: The crushing box has a feed inlet and a discharge outlet at its top and bottom, respectively. A guide plate is inclinedly disposed inside the crushing box and located below the feed inlet; A crushing mechanism includes a limiting shell, a drive shaft, a crushing blade cylinder, and a power end; the limiting shell is disposed on the inner wall of the crushing chamber, the drive shaft is axially arranged inside the crushing chamber, and the crushing blade cylinder is fixed on the drive shaft, and the power end is connected to the end of the drive shaft; The screening mechanism includes a screen frame, a horizontal plate, a buffer end, and a reset end. The screen frame is located above the discharge port. The horizontal plate is fixed to the inner wall of the crushing box. The buffer end is provided on the horizontal plate. The screen frame is elastically connected to the buffer end. The reset end is located at the lower end of the screen frame and reciprocates under the drive of the power end, causing the screen frame to shake up and down.

2. The crushing device for recycled polyester special material for chemical fibers according to claim 1, characterized in that: A material guiding protrusion is provided inside the crushing box and below the reset end. There are two material outlets, which are respectively located on both sides of the material guiding protrusion.

3. The crushing device for recycled polyester special material for chemical fibers according to claim 1, characterized in that: A guide plate is provided at the lower end of the sieve frame and on both sides of the inner wall of the crushing box.

4. The crushing device for recycled polyester special material for chemical fibers according to claim 1, characterized in that: The crushing box is connected to mounting brackets on both sides, and a counterweight base is connected to the lower end of the mounting brackets.

5. The crushing device for recycled polyester special material for chemical fibers according to claim 1, characterized in that: The guide plate includes a first plate and a second plate; the first plate is inclinedly disposed at the lower end of the feed inlet, and the second plate is inclinedly disposed below the first plate, and the inclination direction of the second plate is opposite to that of the first plate.

6. The crushing device for recycled polyester special material for chemical fibers according to claim 1, characterized in that: The drive shaft includes a first shaft and a second shaft; both the first shaft and the second shaft are axially arranged inside the crushing chamber. Limiting shells are provided on both sides of the first shaft and the second shaft. Crushing blades are fixed on the first shaft and the second shaft. One end of the first shaft passes through the crushing chamber and is connected to the power end.

7. The crushing device for recycled polyester special material for chemical fibers according to claim 6, characterized in that: The power end includes a drive motor, a main gear, a secondary gear, a first transmission gear, a second transmission gear, and a transmission chain; the output end of the drive motor is connected to the first shaft, the end of the first shaft is connected to the main gear, the outer circumference of the main gear meshes with the secondary gear, the secondary gear is mounted on the second shaft, the end of the second shaft and the side away from the secondary gear is fixed with the first transmission gear, the second transmission gear is disposed on the reset end, and a transmission chain is disposed between the first transmission gear and the second transmission gear.

8. The crushing device for recycled polyester special material for chemical fibers according to claim 7, characterized in that: The sieve frame has multiple sieve holes, and a protruding end is provided in the middle of the sieve frame.

9. The crushing device for recycled polyester special material for chemical fibers according to claim 7, characterized in that: The buffer end includes a column, a spring strip, and a limiting ring; there are two horizontal plates, which are symmetrically installed on both sides of the inner wall of the crushing box. The column is fixed on each horizontal plate. The screen frame is slidably connected to the column. The spring strip is located at the upper and lower ends of the screen frame and fixed on the column. The upper end of the column is provided with a limiting ring.

10. A crushing device for recycled polyester special material for chemical fibers according to claim 9, characterized in that: The reset end includes a third shaft and an extrusion block. The third shaft is axially arranged inside the crushing box and located at the lower end of the screen frame. The extrusion block is fixed on the third shaft and is used to push the screen frame to slide on the column. The second transmission gear is fixed at the end of the third shaft. A material conveying mechanism is also provided at the lower end of the crushing box. The material conveying mechanism includes a conveyor belt and a material conveying frame. The conveyor belt is located below the discharge port and the material conveying frame is provided on the conveyor belt.

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