Waste recovery equipment for PBT (Polybutylece Terephthalate) engineering plastics

Abstract

The utility model discloses PBT (polybutylene terephthalate) engineering plastic waste recovery equipment which comprises a crushing barrel, a conveyor is arranged at the bottom of the crushing barrel, a pretreatment box is arranged at the top of the crushing barrel, a chopping mechanism is arranged in the pretreatment box, and supporting mechanisms are arranged at the bottoms of the crushing barrel and the pretreatment box. The cutting mechanism comprises a first conveying belt and a second conveying belt, a first cutting seat and a second cutting seat are arranged at the top of the first conveying belt and the top of the second conveying belt correspondingly, and a first movable frame and a second movable frame are slidably connected into the first cutting seat and the second cutting seat correspondingly. According to the waste recycling equipment for the PBT engineering plastic, waste is driven to move through the first conveying belt and the second conveying belt, the driving motor drives the first movable frame and the second movable frame to move up and down alternately, the waste is cut up, the cut waste can be fully smashed through the smashing barrel, and therefore the recycling effect can be effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of PBT engineering plastic recycling, in particular to waste recycling equipment for PBT engineering plastic. Background Art

[0002] When PBT engineering plastics are recycled, waste recycling equipment is used to break up the waste for recycling. In the prior art, after the waste is directly put into the equipment, some large-volume waste is difficult to be fully broken up, resulting in a less than ideal recycling effect.

[0003] For example, patent publication number CN220517290U specifically discloses a device for fully crushing and recycling engineering plastic waste, comprising a crushing barrel and a conveying pipe, wherein the bottom discharge port of the crushing barrel is fixed to the feed port at the top of the conveying pipe, a Jiaolong conveying mechanism is arranged inside the conveying pipe, a molding sleeve is fixed to the end of the conveying pipe away from the crushing barrel, the two ends of the molding sleeve are arranged in communication, a cover plate is installed at the end of the molding sleeve away from the crushing barrel, a buffer assembly is installed on the inner wall of the cover plate, and a guide measuring rod is arranged on the buffer assembly. The utility model is conducive to the molding of engineering plastic waste under the action of extrusion, and is convenient for the discharge of the molded engineering plastic waste, and is convenient for molding and recycling after crushing, thereby improving efficiency. By observing the length of the guide measuring rod, the amount of engineering plastic waste inside the molding sleeve can be known, so as to facilitate the quick and timely control of the cover plate opening and discharge of the formed engineering plastic waste. However, after such waste is directly put into the equipment, some large-volume waste is difficult to be fully crushed, resulting in an unsatisfactory recycling effect. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a waste recycling device for PBT engineering plastics, which solves the problem that after the waste is directly put into the device, some large-volume waste is difficult to be fully broken, resulting in an unsatisfactory recycling effect.

[0005] To achieve the above purpose, the utility model is implemented by the following technical solutions: a PBT engineering plastic waste recycling device, comprising a crushing barrel, a conveyor is provided at the bottom of the crushing barrel, a pre-processing box is provided on the top of the crushing barrel, a shredding mechanism is provided inside the pre-processing box, and a supporting mechanism is provided at the bottom of the crushing barrel and the pre-processing box;

[0006] The shredding mechanism includes a first conveyor belt and a second conveyor belt, the tops of the first conveyor belt and the second conveyor belt are respectively provided with a first shredding seat and a second shredding seat, the first shredding seat and the second shredding seat are both slidably connected with the first movable frame and the second movable frame inside, and the bottom surfaces of the first movable frame and the second movable frame are fixedly connected with shredding knives, the first movable frame is fixedly connected with a first driven rack at the center of the top, a first sector gear is provided on one side of the first driven rack, a first guide rod is fixedly connected to the first driven rack, a first limiting seat is slidably connected to the outside of the first guide rod, a first spring is provided on the top of the first limiting seat, the second movable frame is fixedly connected with the second driven rack at the center of the top, a second sector gear is provided on one side of the second driven rack, a second guide rod is fixedly connected to the second driven rack, a second limiting seat is slidably connected to the outside of the second guide rod, a second spring is provided on the top of the second limiting seat, the ends of the first sector gear and the second sector gear are both fixedly connected with a rotating shaft, a driving shaft is transmission-connected between the two rotating shafts, and a driving motor is fixedly connected to the end of the driving shaft.

[0007] Preferably, the first conveyor belt and the second conveyor belt are arranged obliquely inside the pre-processing box, and the inclination directions of the first conveyor belt and the second conveyor belt are opposite.

[0008] Preferably, the first driven rack is meshed with the first sector gear, the second driven rack is meshed with the second sector gear, and the two first limiting seats and the two second limiting seats are fixedly connected to the inner walls of the first shredder seat and the second shredder seat.

[0009] Preferably, two ends of the first spring are fixedly connected to the first limit seat and the first driven rack respectively, and two ends of the second spring are fixedly connected to the second limit seat and the second driven rack respectively.

[0010] Preferably, the two rotating shafts and the driving shaft are both fixedly connected with a first synchronous wheel, a first synchronous belt is sleeved between two adjacent first synchronous wheels, and the two rotating shafts are drivingly connected to the driving shaft via the first synchronous wheel and the first synchronous belt.

[0011] Preferably, the support mechanism comprises a support frame, the top of the support frame is fixedly connected to the conveyor and the crushing barrel, and a plurality of universal wheels are installed at the bottom end of the support frame.

[0012] Preferably, a handle is rotatably connected to the support frame, and the end of the handle is connected to a screw rod through a second synchronous wheel and a second synchronous belt transmission, and the external thread of the screw rod is connected to an internal thread sleeve.

[0013] Preferably, a support plate is fixedly connected to the bottom end of the internal threaded sleeve, and a telescopic rod is fixedly connected between the support plate and the support frame. Beneficial Effects

[0014] The utility model provides a waste recycling device for PBT engineering plastics. Compared with the prior art, it has the following beneficial effects:

[0015] 1. The waste recycling equipment of PBT engineering plastics pours the waste into a pre-processing box, and the first conveyor belt and the second conveyor belt drive the waste to move, and the driving motor drives the first movable frame and the second movable frame to move up and down alternately to shred the waste, so that the crushing barrel can fully crush the shredded waste, thereby effectively improving the recycling effect.

[0016] 2. The PBT engineering plastic waste recycling equipment can be easily moved through universal wheels. The handle is turned to drive the screw to rotate, and the rotation of the screw drives the internal thread sleeve to move downward. The movement of the internal thread sleeve drives the support plate to move, and the support plate is pushed to the ground, thereby effectively improving the stability during work. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the shredding mechanism of the utility model;

[0019] Figure 3 It is a schematic diagram of the connection structure between the first movable frame and the second movable frame of the utility model;

[0020] Figure 4 This is a schematic diagram of the support mechanism structure of the utility model.

[0021] In the figure: 1. crushing barrel; 2. shredding mechanism; 201. first conveyor belt; 202. second conveyor belt; 203. first shredding seat; 204. second shredding seat; 205. first movable frame; 206. second movable frame; 207. shredding knife; 208. first driven rack; 209. second driven rack; 210. first guide rod; 211. second guide rod; 212. second sector gear; 213. first sector gear; 214. driving shaft; 215. driving motor; 3. conveyor; 4. pretreatment box; 5. supporting mechanism; 501. supporting frame; 502. universal wheel; 503. handle; 504. screw; 505. internal threaded sleeve; 506. supporting plate; 507. telescopic rod. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-3 The utility model provides a technical solution: a waste recycling device for PBT engineering plastics, comprising a crushing barrel 1, a conveyor 3 is provided at the bottom of the crushing barrel 1, a pretreatment box 4 is provided on the top of the crushing barrel 1, a shredding mechanism 2 is provided inside the pretreatment box 4, and a supporting mechanism 5 is provided at the bottom of the crushing barrel 1 and the pretreatment box 4. Large-volume waste can be shredded by the shredding mechanism 2, so that the crushing barrel 1 can fully shred the shredded waste, thereby effectively improving the recycling effect.

[0024] The shredding mechanism 2 includes a first conveyor belt 201 and a second conveyor belt 202. The first conveyor belt 201 and the second conveyor belt 202 are arranged obliquely inside the pre-processing box 4, and the first conveyor belt 201 and the second conveyor belt 202 are inclined in opposite directions, so that the waste on the first conveyor belt 201 can fall onto the second conveyor belt 202. The first conveyor belt 201 and the second conveyor belt 202 are respectively provided with a first shredding seat 203 and a second shredding seat 204 on the top. The first shredding seat 203 and the second shredding seat 204 are both slidably connected with a first movable frame 205 and a second movable frame 206 inside. The bottom surfaces of the first movable frame 205 and the second movable frame 206 are fixedly connected with a shredding knife 207, which can be used to shred large-volume waste. The first movable frame 205 is fully shredded, a first driven rack 208 is fixedly connected at the center of the top, a first sector gear 213 is provided on one side of the first driven rack 208, the first driven rack 208 is meshed with the first sector gear 213, so that the first sector gear 213 can drive the first driven rack 208 to move, a first guide rod 210 is fixedly connected to the first driven rack 208, which can guide the movement of the first driven rack 208, a first limit seat is slidably connected to the outside of the first guide rod 210, a first spring is provided on the top of the first limit seat, which can reset the first driven rack 208, a second driven rack 209 is fixedly connected at the center of the top of the second movable frame 206, and a first driven rack 209 is provided on one side. A second sector gear 212 is provided, and the second driven rack 209 is meshed with the second sector gear 212, so that the second sector gear 212 can drive the second driven rack 209 to move, and the two first limit seats and the two second limit seats are fixedly connected to the inner walls of the first shredder seat 203 and the second shredder seat 204, and the second driven rack 209 is fixedly connected with a second guide rod 211, which can guide the movement of the second driven rack 209, and the second guide rod 211 is externally slidably connected with the second limit seat, and a second spring is provided on the top of the second limit seat, and the two ends of the first spring are respectively fixedly connected to the first limit seat and the first driven rack 208, and the two ends of the second spring are respectively fixedly connected to the second limit seat and the second driven rack 209, and the first sector gear 212 is fixedly connected to the second driven rack 209. The ends of the gear 213 and the second sector gear 212 are both fixedly connected with a rotating shaft, and a driving shaft 214 is transmission-connected between the two rotating shafts. The two rotating shafts and the driving shaft 214 are both fixedly connected with a first synchronous wheel, and a first synchronous belt is sleeved between two adjacent first synchronous wheels. The two rotating shafts are transmission-connected with the driving shaft 214 through the first synchronous wheel and the first synchronous belt, so that the two rotating shafts can rotate synchronously. The end of the driving shaft 214 is fixedly connected with a driving motor 215, and the first conveyor belt 201 and the second conveyor belt 202 can drive the waste to move by pouring the waste into the pre-processing box 4, and the driving motor 215 drives the driving shaft 214 to rotate, and the rotation of the driving shaft 214 drives the two rotating shafts to rotate, and the two rotating shafts drive the first sector gear 213 to rotate.The first sector gear 213 rotates to drive the first driven rack 208 to move, and the first driven rack 208 moves to drive the first movable frame 205 to move, and the first movable frame 205 moves to drive the shredder 207 to move downward, and when the first sector gear 213 is separated from the first driven rack 208, the first spring resets the first movable frame 205 to rise, and at this time, the second sector gear 212 drives the second movable frame 206 to move through the second driven rack 209, so that the first movable frame 205 and the second movable frame 206 move up and down alternately, and the waste is shredded, so that the crushing barrel 1 can fully crush the shredded waste, thereby effectively improving the recycling effect.

[0025] See also Figure 1 and Figure 4 The supporting mechanism 5 includes a supporting frame 501, the top of the supporting frame 501 is fixedly connected to the conveyor 3 and the crushing barrel 1, and a plurality of universal wheels 502 are installed at the bottom of the supporting frame 501. A handle 503 is rotatably connected to the supporting frame 501, and a screw rod 504 is connected to the end of the handle 503 through a second synchronous wheel and a second synchronous belt transmission. The external thread of the screw 504 is connected to an internal thread sleeve 505, and the bottom end of the internal thread sleeve 505 is fixedly connected to a supporting plate 506, and a telescopic rod 507 is fixedly connected between the supporting plate 506 and the supporting frame 501, which can guide the movement of the supporting plate 506 and can be conveniently moved through the universal wheels 502. Turning the handle 503 drives the screw rod 504 to rotate, and the rotation of the screw 504 drives the internal thread sleeve 505 to move downward, and the movement of the internal thread sleeve 505 drives the supporting plate 506 to move, and the supporting plate 506 is pushed to the ground, thereby effectively improving the stability during work.

[0026] During operation, the waste is poured into the pre-treatment box 4, the first conveyor belt 201 and the second conveyor belt 202 drive the waste to move, the driving motor 215 drives the driving shaft 214 to rotate, the driving shaft 214 rotates and drives the two rotating shafts to rotate, the two rotating shafts drive the first sector gear 213 to rotate, the first sector gear 213 rotates and drives the first driven rack 208 to move, the first driven rack 208 moves and drives the first movable frame 205 to move, the first movable frame 205 moves and drives the shredder 207 to move downward, and wait until the first sector gear 213 is separated from the first driven rack 208, the first spring resets the first movable frame 205 and raises it, at this time the second sector gear 212 drives the second movable frame 206 to move through the second driven rack 209, so that the first movable frame 205 and the second movable frame 206 move up and down alternately, and the waste is shredded, so that the crushing barrel 1 can fully crush the shredded waste, thereby effectively improving the recycling effect.

[0027] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Claims

1. A PBT engineering plastic waste recycling device, comprising a crushing barrel (1), characterized in that: A conveyor (3) is provided at the bottom of the crushing barrel (1), a pre-processing box (4) is provided at the top of the crushing barrel (1), a shredding mechanism (2) is provided inside the pre-processing box (4), and a supporting mechanism (5) is provided at the bottom of the crushing barrel (1) and the pre-processing box (4); The shredding mechanism (2) comprises a first conveyor belt (201) and a second conveyor belt (202); a first shredding seat (203) and a second shredding seat (204) are respectively provided on the top of the first conveyor belt (201) and the second conveyor belt (202); a first movable frame (205) and a second movable frame (206) are slidably connected inside the first shredding seat (203) and the second shredding seat (204); a shredding knife (207) is fixedly connected to the bottom surface of the first movable frame (205) and the second movable frame (206); a first driven rack (208) is fixedly connected to the center of the top of the first movable frame (205); a first sector gear (213) is provided on one side of the first driven rack (208); and a first guide rod is fixedly connected to the first driven rack (208). (210), the first guide rod (210) is externally slidably connected to a first limit seat, a first spring is provided on the top of the first limit seat, a second driven rack (209) is fixedly connected to the center of the top of the second movable frame (206), a second sector gear (212) is provided on one side of the second driven rack (209), a second guide rod (211) is fixedly connected to the second driven rack (209), the second guide rod (211) is externally slidably connected to a second limit seat, a second spring is provided on the top of the second limit seat, the ends of the first sector gear (213) and the second sector gear (212) are both fixedly connected to a rotating shaft, a driving shaft (214) is transmission-connected between the two rotating shafts, and a driving motor (215) is fixedly connected to the end of the driving shaft (214).

2. The waste recycling equipment of PBT engineering plastics according to claim 1, characterized in that: The first conveyor belt (201) and the second conveyor belt (202) are arranged obliquely inside the pre-treatment box (4), and the inclination directions of the first conveyor belt (201) and the second conveyor belt (202) are opposite.

3. The waste recycling equipment of PBT engineering plastics according to claim 1, characterized in that: The first driven rack (208) meshes with the first sector gear (213), the second driven rack (209) meshes with the second sector gear (212), and the two first limit seats and the two second limit seats are fixedly connected to the inner walls of the first chopping seat (203) and the second chopping seat (204).

4. The waste recycling equipment of PBT engineering plastics according to claim 1, characterized in that: The two ends of the first spring are respectively fixedly connected to the first limit seat and the first driven rack (208), and the two ends of the second spring are respectively fixedly connected to the second limit seat and the second driven rack (209).

5. The waste recycling equipment of PBT engineering plastics according to claim 1, characterized in that: The two rotating shafts and the driving shaft (214) are both fixedly connected with a first synchronous wheel, a first synchronous belt is sleeved between two adjacent first synchronous wheels, and the two rotating shafts are transmission-connected to the driving shaft (214) via the first synchronous wheel and the first synchronous belt.

6. The waste recycling equipment of PBT engineering plastics according to claim 1, characterized in that: The support mechanism (5) comprises a support frame (501), the top of the support frame (501) is fixedly connected to the conveyor (3) and the crushing barrel (1), and the bottom of the support frame (501) is provided with a plurality of universal wheels (502).

7. The waste recycling equipment of PBT engineering plastics according to claim 6, characterized in that: The support frame (501) is rotatably connected to a handle (503), the end of the handle (503) is connected to a screw rod (504) through a second synchronous wheel and a second synchronous belt transmission, and the screw rod (504) is externally threadedly connected to an internal thread sleeve (505).

8. The waste recycling equipment of PBT engineering plastics according to claim 7, characterized in that: A support plate (506) is fixedly connected to the bottom end of the internal threaded sleeve (505), and a telescopic rod (507) is fixedly connected between the support plate (506) and the support frame (501).

Images