CN-121973361-A - A reducing mechanism for cable protection pipe plastics waste recycling

Abstract

The invention relates to the field of waste recovery, and discloses a crushing device for recycling plastic waste of a cable protection tube, which comprises a crushing box supported by supporting legs, a feeding frame arranged at the top end of the crushing box, wherein a feeding shielding structure is arranged between the feeding frame and the crushing box and used for shielding generated dust during feeding or crushing in the crushing box, the feeding shielding structure is provided with a clamping structure and has a positioning function after switching, two feeding hoppers can be flexibly switched to feed through the feeding shielding structure and are matched with a shielding cover, dust blocking can be carried out during feeding and crushing of one of the feeding hoppers into the crushing box, and in the process, the plastic to be crushed can be continuously added into the other feeding hopper, so that the working time is fully utilized, and the working efficiency is improved.

Inventors

• XU RONG

Assignees

• 无锡迈力塑业科技有限公司

Dates

Publication Date

20260505

Application Date

20260407

Claims (8)

1. 1. A comminution device for recycling plastic waste of cable protection tubes, comprising: A crushing box (1) supported by the support legs; The feeding frame (2) is arranged at the top end of the crushing box (1), a feeding shielding structure is arranged between the feeding frame (2) and the crushing box (1) and is used for shielding generated dust when feeding or crushing in the crushing box (1), so that the quality of a working environment is improved; the feeding shielding structure is provided with a clamping structure, and plays a role in positioning after switching; a crushing structure is arranged above the inside of the crushing box (1), and the crushing box (1) is used for crushing plastic waste of the protection tube; the screening structure is arranged in the crushing box (1) and close to the middle part, and is used for screening crushed waste; the grinding structure is arranged on the rear side surface of the crushing box (1), is communicated with the crushing box (1), and is used for further crushing after large-size plastic at a screening part of the screening structure is fed to the grinding structure; the drawing structure is arranged on the right side surface of the crushing box (1); The transmission structure is arranged between the drawing structure and the grinding structure, and the transmission structure is matched to automatically drive the screening structure to screen when grinding.
2. 2. A comminution device for cable protective tube plastic waste recovery as claimed in claim 1, wherein the feed shielding structure comprises: The shielding cover (4) is fastened to the top end of the crushing box (1) through bolts, the left side surface and the right side surface of the feeding frame (2) are both connected with the baffle plates (14), two feeding hoppers (3) are arranged between the shielding cover (4) and the feeding frame (2), and the two feeding hoppers (3) are fixedly connected through the connecting plate (5); one of the feed hoppers (3) is communicated with the feed frame (2), and the other feed hopper (3) is tightly attached to one baffle (14); The front side edge and the rear side edge of the right side surface of the feeding hopper (3) on the right side are provided with convex blocks (6), each convex block (6) rotates to pass through the penetrating rod (9), and the shielding cover (4) is provided with a first penetrating groove (10) for the penetrating rod (9) to movably pass through; one end of one penetrating rod (9) is provided with a pull ring (7).
3. 3. A crushing device for recycling plastic waste of cable protection pipes according to claim 2, wherein the clamping structure comprises: Two clamping blocks (12) are arranged on one penetrating rod (9), a second penetrating groove (11) for the clamping blocks (12) to movably penetrate through is formed in the shielding cover (4), and the second penetrating groove (11) and the first penetrating groove (10) are communicated with each other; the front of the shielding cover (4) is provided with a clamping groove (13) communicated with the first through groove (10), and one clamping block (12) is rotated out of the clamping groove (13).
4. 4. A comminution device for plastic waste recycling of cable protection pipes as set forth in claim 1 or 3, wherein the comminution structure comprises: Two first rotating rods (16) which pass through the crushing box (1) in a rotating way, wherein first rotating rollers (15) are fixedly sleeved on the two first rotating rods (16), and a plurality of crushing cutters are arranged on the first rotating rollers (15); The front ends of the two first rotating rods (16) are fixedly sleeved with first gears (17), the two first gears (17) are connected in a meshed mode, a first motor is mounted on the rear side face of the crushing box (1), and one end of an output shaft of the first motor is connected with one first rotating rod (16).
5. 5. A crushing apparatus for recycling plastic waste of cable protection pipes according to claim 1, wherein the screening structure comprises: The screening structure comprises two inner grooves (18) formed in the inner wall of the crushing box (1), wherein reciprocating frames (19) are movably inserted into the two inner grooves (18), a screen plate (20) is arranged on each reciprocating frame (19), and the screen plates (20) are obliquely arranged; The middle of the rear side surface of the crushing box (1) is provided with a first blanking groove (21), and a second blanking groove (22) is arranged below the rear side surface of the crushing box (1).
6. 6. A crushing apparatus for recycling plastic waste of cable protection pipes according to claim 5, wherein the grinding structure comprises: a grinding cylinder (23) arranged on the rear side surface of the crushing box (1), wherein the grinding cylinder (23) is respectively communicated with the first blanking groove (21) and the second blanking groove (22); The grinding cylinder (23) rotates to pass through two second rotating rods (25), the two second rotating rods (25) are fixedly sleeved with second rotating rollers (27), and a plurality of grinding balls (28) are movably embedded in the second rotating rollers (27); A second motor (24) is arranged on the left side surface of the grinding cylinder (23), one end of an output shaft of the second motor (24) is connected with one second rotating rod (25), one end, far away from the second motor (24), of each second rotating rod (25) is fixedly sleeved with a second gear (26), and the two second gears (26) are in meshed connection with each other; The right side face of the grinding cylinder (23) is fastened with a stabilizing frame (8), and the stabilizing frame (8) is movably sleeved on one of the second rotating rods (25).
7. 7. A crushing apparatus for recycling plastic waste of cable protection pipes according to claim 6, wherein the drawing structure comprises: a drawing rod (31) movably inserted into the crushing box (1), wherein one end of the drawing rod (31) is fixedly connected with the reciprocating frame (19); The right side edge of the crushing box (1) is connected with a guide plate (29), a guide groove (30) is formed in the guide plate (29), a guide block (32) is arranged in the guide groove (30) in a sliding mode, and the guide block (32) is fixedly connected with one end of a drawing rod (31).
8. 8. A crushing apparatus for recycling plastic waste of cable protection pipes according to claim 7, wherein the transmission structure comprises: one end of the second rotating rod (25) is connected with a screw rod (36), one end of the screw rod (36) is rotatably connected to the L-shaped plate (33), and one end of the L-shaped plate (33) is fastened on the crushing box (1) through a bolt; the screw rod (36) is sleeved with a screw rod sleeve (35), and the screw rod sleeve (35) is fixed with the guide block (32) through a connecting rod (34).

Description

A reducing mechanism for cable protection pipe plastics waste recycling Technical Field The invention relates to the technical field of waste recycling, in particular to a crushing device for recycling plastic waste of a cable protection tube. Background The cable protecting pipe is one kind of pipe for laying and protecting power cable and has the main functions of preventing the cable from being affected by mechanical damage, environment corrosion, electromagnetic interference, etc. and may be used widely in power engineering, municipal construction, traffic bridge, etc. especially in the area where cable and power line cross or are easy to be damaged by external force, and the plastic is recovered in the crushing device In the prior art, a crushing device is used for pouring waste to be crushed into a crushing box from a feed hopper, crushing is performed in the crushing box by a crushing structure, and a blocking cover is hinged on the feed hopper through a hinge for blocking dust during crushing, and the blocking cover is closed for blocking dust during crushing; However, when actual crushing, the blocking cover needs to be opened, plastics to be crushed are poured into the crushing box, after the plastics are poured, the blocking cover is closed, and the operation is troublesome at first when crushing, and when the materials are fed next time, the blocking cover needs to be opened again, so that the working efficiency is reduced, and the improvement exists. Disclosure of Invention In order to solve the problems in the prior art, the invention provides a crushing device for recycling plastic waste of a cable protection tube. The invention provides a crushing device for recycling plastic waste of a cable protection tube, which adopts the following technical scheme: A comminution device for recycling plastic waste of cable protection tubes, comprising: The crushing box is supported by the supporting legs; the feeding frame is arranged at the top end of the crushing box, a feeding shielding structure is arranged between the feeding frame and the crushing box and used for shielding generated dust when feeding or crushing in the crushing box, so that the quality of the working environment is improved; the feeding shielding structure is provided with a clamping structure, and plays a role in positioning after switching; A crushing structure is arranged above the inside of the crushing box, and the crushing box is used for crushing plastic waste of the protection pipe; The screening structure is arranged in the crushing box and close to the middle, and is used for screening crushed waste; The grinding structure is arranged on the rear side surface of the crushing box and communicated with the crushing box, and large-size plastic at the screening part of the screening structure is fed to the grinding structure for further crushing; the drawing structure is arranged on the right side surface of the crushing box; The transmission structure is arranged between the drawing structure and the grinding structure, and the transmission structure is matched to automatically drive the screening structure to screen when grinding. As an embodiment, the feed blocking structure includes: the shielding cover is fastened at the top end of the crushing box through bolts, the left side surface and the right side surface of the feeding frame are both connected with baffle plates, two feeding hoppers are arranged between the shielding cover and the feeding frame, and the two feeding hoppers are fixedly connected through a connecting plate; one of the feed hoppers is communicated with the feed frame, and the other feed hopper is tightly attached to one baffle plate; The front side edge and the rear side edge of the right side surface of the feeding hopper are respectively provided with a convex block, each convex block rotates to pass through the penetrating rod, and the shielding cover is provided with a first penetrating groove for the penetrating rod to movably pass through; one end of one penetrating rod is provided with a pull ring. As an embodiment, the clamping structure includes: Two clamping blocks arranged on one of the penetrating rods, a second penetrating groove for the clamping blocks to movably penetrate through is formed in the shielding cover, and the second penetrating groove is communicated with the first penetrating groove; the front of the shielding cover is provided with a clamping groove communicated with the first through groove, and one clamping block rotates out of the clamping groove to be arranged. As an embodiment, the pulverizing structure includes: the two first rotating rods pass through the crushing box in a rotating way, first rotating rollers are fixedly sleeved on the two first rotating rods, and a plurality of crushing cutters are arranged on the first rotating rollers; the two first rotating rods are fixedly sleeved with first gears, the two first gears are connected in a meshed mode, a first m