CN212632973U

CN212632973U - Reclaimed material crushing device

Info

Publication number: CN212632973U
Application number: CN202020835893.2U
Authority: CN
Inventors: 瀵夸匠; 寿佳
Original assignee: Shanghai Jiaconcrete New Material Technology Development Co ltd
Current assignee: Shanghai Jiaconcrete New Material Technology Development Co ltd
Priority date: 2020-05-18
Filing date: 2020-05-18
Publication date: 2021-03-02
Anticipated expiration: 2030-05-18

Abstract

The utility model relates to a reclaimed material breaker, include: a chassis; a box body arranged on the underframe; and set up the breaker on the box, be provided with in the box and be used for screening the reclaimed materials after the breakage and arrange the material mechanism with the screening of unloading, the screening is arranged the material mechanism and is included: the sliding chute is arranged on the inner side wall of the box body; the screen is arranged on the inner side wall of the box body and matched with the sliding groove; a material guide pipeline communicated with one side of the box body and matched with the screen; the driving assembly is arranged on the box body and used for carrying out reciprocating screening on the screen; and the blanking assembly is arranged at the bottom of the box body and used for automatically blanking the crushed reclaimed materials, and a feeding mechanism matched with the material guide pipeline is arranged on one side of the underframe. The utility model discloses not only can play automatic feeding's effect to the reclaimed materials, but also can carry out autofilter's effect to the reclaimed materials after the breakage to can save time and alleviate staff's intensity of labour, and then can improve work efficiency.

Description

Reclaimed material crushing device

Technical Field

The utility model belongs to the technical field of the technique of reclaimed material crushing equipment and specifically relates to a reclaimed material breaker is related to.

Background

At present, asphalt concrete is formed by mixing stone, asphalt and the like, and is a main material for paving asphalt pavements. Asphalt pavement is often damaged after long-term use, and asphalt concrete needs to be paved again after the pavement is damaged. In the asphalt concrete processing industry, old asphalt concrete is called as asphalt reclaimed material, the asphalt reclaimed material is crushed and screened by a crusher in an asphalt mixing station, a part of new aggregate, new asphalt and a regenerant are added, and the mixture is remixed to obtain a regenerated asphalt mixture meeting the road performance requirement, and the regenerated asphalt mixture is re-paved on the road surface, so that a large amount of raw materials such as asphalt, gravel and the like can be saved, and the waste treatment and the environmental protection are facilitated.

Current pitch reclaimed materials when carrying out the breakage, generally pour the pitch reclaimed materials into the feed cylinder of breaker in through the staff is direct, then the breaker carries out the breakage with pitch reclaimed materials, and the reclaimed materials after the breakage is collected through receiving the workbin, then the staff screens with the reclaimed materials recycling screen cloth after these a little brokends, in pouring into the feed cylinder again to the reclaimed materials of screening great granule, the breakage again to carry out breakage, screening recycle with pitch reclaimed materials.

The above prior art solutions have the following drawbacks: the mode of feeding and crushing the reclaimed materials manually not only wastes time, but also increases the labor intensity of workers. Meanwhile, the processes of crushing and screening are separately processed, resulting in low working efficiency.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art existence, the utility model aims at providing a reclaimed material breaker not only can be convenient for play automatic feeding's effect to the reclaimed material, but also can be convenient for carry out autofilter's effect to the reclaimed material after the breakage to can save time and alleviate staff's intensity of labour, and then can improve work efficiency.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a reclaimed material crushing device comprising: a chassis; the box body is arranged on the underframe; and set up in on the box, be used for carrying out the broken breaker to the reworked material, be provided with in the box, be used for screening and the screening of unloading to the reworked material after the breakage arrange material mechanism, screening arranges material mechanism and includes: the sliding chute is arranged on the inner side wall of the box body; the screen is arranged on the inner side wall of the box body and matched with the sliding groove; the material guide pipeline is communicated with one side of the box body and matched with the screen; the driving assembly is arranged on the box body and is used for carrying out reciprocating screening on the screen; and the blanking assembly is arranged at the bottom of the box body and used for automatically blanking the crushed reclaimed materials, and a feeding mechanism matched with the material guide pipeline is arranged on one side of the bottom frame.

By adopting the technical scheme, the feeding mechanism is arranged, so that the effect of automatically feeding the reclaimed materials to be crushed can be conveniently achieved; the screen and the driving assembly are matched with each other, so that the effect of automatically screening the crushed reclaimed materials can be facilitated; through setting up the effect that the unloading subassembly can be convenient for carry out automatic unloading to the reclaimed materials after the screening to can play save time and alleviate staff's intensity of labour's effect, and then can improve work efficiency.

The present invention may be further configured in a preferred embodiment as: the driving assembly comprises a sliding rod, one end of the sliding rod is connected to one side of the screen, which is far away from the material guide pipeline, and the other end of the sliding rod penetrates through the box body; the abutting block is connected to the sliding rod; the supporting plate is arranged on the outer side wall of the box body; the first servo motor is arranged on the supporting plate; the cam is connected to the driving end of the first servo motor; and the elastic piece is arranged between one side of the screen, which is deviated from the sliding rod, and the groove wall of the sliding groove.

Through adopting above-mentioned technical scheme, when needs drive screen cloth remove, start the first servo motor in the backup pad, first servo motor drive cam rotates, and the cam rotates the in-process, can constantly support the top to the butt joint piece for the butt joint piece drives the screen cloth on the slide bar and moves, and the screen cloth is under the effect of elastic component, thereby can carry out reciprocating motion by the screen cloth, and then can filter the reclaimed materials after the breakage.

The present invention may be further configured in a preferred embodiment as: the elastic part comprises a plurality of telescopic rods, one end of each telescopic rod is connected to one side of the screen, which is far away from the sliding rod, and the other end of each telescopic rod is connected to the chute wall of the sliding chute; and the telescopic spring is sleeved on the telescopic rod.

Through adopting above-mentioned technical scheme, through setting up the telescopic link with the structure that expanding spring mutually supported can be so that the screen cloth plays reciprocating motion's effect in the box.

The present invention may be further configured in a preferred embodiment as: the blanking assembly comprises a blanking table arranged on one side of the box body close to the material guide pipeline; the discharging port penetrates through one side, away from the discharging table, of the box body; the receiving box is arranged on the ground and matched with the feed opening; a blanking plate with one side connected with the blanking port and the other side extending into the material receiving box; and the material pushing part is arranged between the blanking table and the bottom of the box body and used for pushing the screened reclaimed materials out of the blanking port.

By adopting the technical scheme, the feeding platform is arranged, so that the screened reclaimed materials can be conveniently guided, and the reclaimed materials can uniformly fall to the bottom of the box body; through setting up the material pushing part, can be convenient for push down the blanking plate with the regeneration material of bottom half along the feed opening on, then the regeneration material is in the collecting box along the blanking plate landing.

The present invention may be further configured in a preferred embodiment as: the pushing piece comprises a pushing plate which is arranged between the blanking table and the bottom of the box body in a sliding mode; the bearing plate is arranged on one side, away from the feed opening, of the box body; the hydraulic cylinder is arranged on the bearing plate; one end of the material pushing rod is connected with the piston rod of the hydraulic cylinder, and the other end of the material pushing rod penetrates through the side wall of the box body; and one side of the material pushing frame is connected with the material pushing rod, and the other side of the material pushing frame is connected with the material pushing plate.

Through adopting above-mentioned technical scheme, when the reclaimed materials that need filter in with the box are collected, start the pneumatic cylinder on the loading board, the piston rod drive ejector beam of pneumatic cylinder removes, the ejector beam then drives the ejector beam and removes, the ejector beam can drive the scraping wings and slide along the bottom half in the removal process to make after the screening, the reclaimed materials that drop to the bottom half push away in the material receiving box along the feed opening, and then collect the reclaimed materials.

The present invention may be further configured in a preferred embodiment as: the feeding mechanism comprises a plurality of bearing rods arranged on the underframe; the conveying pipeline is arranged on the bearing rod; the feeding pipe is communicated with the conveying pipeline and matched with the feeding hole of the crusher; the feeding hopper is arranged on one side, close to the bearing rod, of the conveying pipeline; one end of the connecting pipeline is communicated with the conveying pipeline, and the other end of the connecting pipeline is connected to the material guide pipeline; the second servo motor is arranged on one side, away from the feeding pipe, of the conveying pipeline; the rotating shaft is rotatably arranged in the conveying pipeline and connected with the driving end of the second servo motor; and the propeller is arranged on the rotating shaft and matched with the conveying pipeline.

Through adopting above-mentioned technical scheme, when needs carry out automatic feeding to the reclaimed materials, start second servo motor, then will treat broken reclaimed materials and pour into pipeline along the feeding funnel in, then second servo motor drive axis of rotation rotates, and the axis of rotation drives the screw and rotates, and the screw can drive the reclaimed materials to the feeding tube at the rotation in-process to make the reclaimed materials along the feeding tube landing in the feed inlet of breaker.

The present invention may be further configured in a preferred embodiment as: the two sides of the screen are provided with sliding blocks matched with the sliding grooves, the sliding blocks are connected with pulleys in a rolling mode, and the pulleys are in butt joint with the groove walls of the sliding grooves.

By adopting the technical scheme, the screen can slide in the box body along the sliding groove by arranging the structure that the sliding block and the sliding groove are matched with each other; and through setting up the pulley, the frictional force that produces when can reducing slider and the mutual butt of spout to make the screen cloth slide more smoothly in the box.

The present invention may be further configured in a preferred embodiment as: the bottom of the underframe is provided with a rubber plate.

Through adopting above-mentioned technical scheme, through setting up the rubber slab, can be so that the breaker is more stable when carrying out breakage and screening to the reclaimed materials to the condition that rocks appears in breaker and box can be reduced.

To sum up, the utility model discloses a following at least one useful technological effect:

1. by arranging the feeding mechanism, the effect of automatically feeding the reclaimed materials to be crushed can be conveniently achieved; the screen and the driving assembly are matched with each other, so that the effect of automatically screening the crushed reclaimed materials can be facilitated; the automatic blanking effect of screened reclaimed materials can be conveniently realized by arranging the blanking assembly, so that the effects of saving time and reducing the labor intensity of workers can be realized, and the working efficiency can be improved;

2. through the arrangement of the structure that the sliding block is matched with the sliding groove, the screen can slide in the box body along the sliding groove; the pulley can reduce the friction force generated when the sliding block and the sliding groove are mutually abutted, so that the screen mesh can slide in the box body more smoothly;

3. through setting up the rubber slab, can be so that the breaker is more stable when carrying out breakage and screening to the reclaimed materials to the condition that rocks appears in breaker and box can be reduced.

Drawings

FIG. 1 is a schematic structural diagram of a reclaimed material crushing device according to the embodiment;

FIG. 2 is a schematic structural diagram of the feeding mechanism of the present embodiment;

FIG. 3 is a schematic structural diagram of a screening and discharging mechanism of the embodiment;

fig. 4 is an enlarged schematic view of a portion a in fig. 3.

In the figure, 1, a chassis; 2. a box body; 21. a chute; 22. a material guide pipeline; 23. a support plate; 24. a first servo motor; 241. a cam; 25. a telescopic rod; 251. a tension spring; 26. a blanking table; 27. a feeding port; 28. a material receiving box; 29. a blanking plate; 3. a crusher; 4. screening a screen; 41. a slide bar; 42. a butting block; 43. a slider; 431. a pulley; 5. a material pushing plate; 51. a carrier plate; 52. a hydraulic cylinder; 53. a material pushing rod; 54. a material pushing frame; 6. a carrier bar; 61. a delivery conduit; 62. feeding pipes; 63. feeding a hopper; 64. connecting a pipeline; 65. a second servo motor; 66. a rotating shaft; 67. a propeller; 7. a rubber plate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1, for the utility model discloses a reclaimed material breaker, include: the base frame 1 is fixedly provided with a box body 2 on the base frame 1, the box body 2 is fixedly provided with a crusher 3, and the crusher 3 is used for crushing reclaimed materials to be crushed. In the embodiment, in order to automatically feed the reclaimed materials to be crushed into the crusher 3 for crushing, a feeding mechanism is arranged on one side of the crusher 3, the feeding mechanism is fixedly mounted on the underframe 1, and the feeding mechanism can facilitate the effect of automatically feeding the reclaimed materials to be crushed, so that the time can be saved, the labor intensity of workers can be reduced, and the working efficiency can be improved.

Specifically, as shown in fig. 2, in the present embodiment, the feed mechanism includes: the bearing rod 6, the conveying pipeline 61, the feeding pipe 62, the feeding hopper 63, the second servo motor 65, the rotating shaft 66 and the propeller 67. Wherein, the bearing rods 6 are provided with a plurality of bearing rods 6, and the bearing rods 6 are vertically and fixedly arranged on the underframe 1; the conveying pipe 61 is fixedly arranged on the bearing rods 6, and the conveying pipe 61 is arranged towards the feeding hole of the crusher 3 in an inclined manner; the feeding pipe 62 is communicated with one side of the conveying pipe 61 far away from the underframe 1, and one side of the feeding pipe 62 far away from the conveying pipe 61 extends into a feeding hole of the crusher 3; the feeding hopper 63 is disposed on an outer sidewall of the conveying pipe 61 away from the feeding pipe 62, and the feeding hopper 63 and the conveying pipe 61 are communicated with each other.

Meanwhile, the second servo motor 65 is fixedly installed at one end of the conveying pipeline 61 far away from the feeding pipe 62, and the driving end of the second servo motor 65 penetrates through the side wall of the conveying pipeline 61; the rotating shaft 66 is rotatably disposed in the conveying pipeline 61, and one end of the rotating shaft 66 is connected to the driving end of the second servo motor 65; the propeller 67 is fixedly installed on the rotating shaft 66, and the propeller 67 and the inner side wall of the conveying pipeline 61 are abutted to each other so as to automatically convey the reclaimed materials to be crushed to the feeding port of the crusher 3.

When needs treat that broken reclaimed materials carries out automatic feeding, drive second servo motor 65, then will treat that broken reclaimed materials pours into pipeline 61 along feeding funnel 63 in, then second servo motor 65 drive axis of rotation 66 rotates, axis of rotation 66 drives screw 67 and rotates, screw 67 is at the rotation in-process, can carry the reclaimed materials on feeding tube 62, thereby make the reclaimed materials along feeding tube 62 landing to in the feed inlet of breaker 3, and then can realize treating broken reclaimed materials and carry out automatic feeding.

As shown in fig. 3, in order to facilitate the screening and discharging of the crushed reclaimed materials, in this embodiment, a screening and discharging mechanism is provided in the box body 2, and the screening and discharging mechanism not only can facilitate the automatic screening of the crushed reclaimed materials, but also can facilitate the ordered discharging of the screened reclaimed materials.

Specifically, as shown in fig. 3, in this embodiment, the screening and discharging mechanism includes: screen 4, drive assembly and unloading subassembly. Wherein, this screen cloth 4 slides and sets up on the inside wall of this box 2, and this screen cloth 4 inclines downwards towards one side of this feed mechanism gradually, and has seted up spout 21 on the inside wall of this box 2, and this spout 21 mutually supports with this screen cloth 4, can make screen cloth 4 slide along spout 21 and move on the inside wall of this box 2.

Preferably, the two sides of the screen 4 are both provided with the sliding blocks 43 matched with the sliding groove 21, the two sliding blocks 43 are both connected with the pulleys 431 in a rolling manner, the two pulleys 431 are respectively abutted against the groove wall of the sliding groove 21, and the screen 4 can slide in the box body 2 along the sliding groove 21 by arranging the structure that the sliding blocks 43 are matched with the sliding groove 21; by providing the pulley 431, the frictional force generated when the slider 43 and the chute 21 abut against each other can be reduced, and the screen 4 can be more smoothly slid in the case 2.

Meanwhile, the driving assembly is arranged on one side of the box body 2, and the driving assembly can drive the screen 4 to reciprocate on the chute 21 of the box body 2; this unloading subassembly sets up in the bottom of this box 2, and this unloading subassembly can be convenient for play the effect of automatic unloading to the reclaimed materials after the screening to can be convenient for collect the reclaimed materials after the screening.

More specifically, as shown in fig. 3, in the present embodiment, the driving assembly includes: a slide rod 41, an abutment block 42, a support plate 23, a first servo motor 24, a cam 241, and an elastic member. One end of the sliding rod 41 is connected to one side of the screen 4 departing from the feeding mechanism, and the other end thereof penetrates through the side wall of the box body 2; the abutting block 42 is fixedly connected to one end of the sliding rod 41 far away from the screen 4; the supporting plate 23 is fixedly installed on the inner side wall of the box body 2; the first servo motor 24 is fixedly mounted on the support plate 23; the cam 241 is connected to the driving end of the first servo motor 24; the elastic member is provided between the screen 4 and the case 2 to elastically expand and contract the screen 4.

As shown in fig. 4, in the present embodiment, the elastic member includes: a telescoping rod 25 and a telescoping spring 251. The number of the telescopic rods 25 is multiple, one end of each telescopic rod 25 is fixedly connected to one side of the screen 4 departing from the sliding rod 41, and the other end of each telescopic rod 25 is fixedly installed on the groove wall of the sliding groove 21 facing the sliding rod 41; the plurality of the extension springs 251 are provided, the extension springs 251 are respectively sleeved on the extension rods 25, and when the screen 4 is static, the screen 4 slightly compresses the extension springs 251 due to the action of gravity; when the screen 4 moves, the extension spring 251 is compressed by the screen 4, and the extension spring 251 also pushes against the screen 4 during the compression process, so that the screen 4 can move back and forth.

When needs drive screen cloth 4 and remove, start first servo motor 24 on the backup pad 23, first servo motor 24 drive cam 241 rotates, cam 241 rotates the in-process, can constantly support butt block 42, make butt block 42 drive the screen cloth 4 on the slide bar 41 and remove, and screen cloth 4 is under telescopic link 25 and expanding spring 251's effect, can make screen cloth 4 carry out reciprocating motion in spout 21, thereby can be convenient for play the effect of autofilter to the reclaimed materials after the breakage.

As shown in fig. 3, when the screen 4 screens the crushed reclaimed materials, a small part of the reclaimed materials is often not completely crushed, so that the reclaimed materials are separated on the screen 4 and cannot pass through the screen holes of the screen 4. In order to continuously crush the incompletely crushed reclaimed materials, in the embodiment, a material guiding pipe 22 is connected to a side of the box body 2 facing the feeding mechanism, the material guiding pipe 22 is disposed obliquely downward, and the material guiding pipe 22 is matched with the screen 4. And a connecting pipe 64 is communicated with one side of the conveying pipe 61, which is far away from the feeding hopper 63, and one end of the connecting pipe 64, which is far away from the conveying pipe 61, is communicated with the material guiding pipe 22.

When the screen 4 reciprocates, the separated reclaimed materials on the screen 4 can be vibrated, so that the reclaimed materials slide down into the guide pipeline 22 along the screen 4, then the reclaimed materials slide down into the conveying pipeline 61 along the connecting pipeline 64, and then the screw 67 in the conveying pipeline 61 conveys the reclaimed materials to the feed inlet of the crusher 3, so that the effect of repeatedly crushing the reclaimed materials can be realized.

Meanwhile, these reworked materials that can pass through screen 4 fall to the bottom of box 2, recycle the unloading subassembly and carry out the unloading to these reworked materials, and as shown in fig. 3, in this embodiment, this unloading subassembly includes: a blanking table 26, a blanking port 27, a blanking plate 29, a receiving box 28 and a pushing piece. Wherein, the blanking table 26 is fixedly arranged on the inner side wall of the box body 2, and the end surface of the blanking table 26 is arranged obliquely downwards so as to guide the screened reclaimed materials; the blanking port 27 is opened on the side wall of the box body 2 departing from the blanking table 26; the blanking plate 29 is connected to the blanking port 27; the receiving box 28 is placed on the ground, and one side of the discharging plate 29 departing from the discharging opening 27 extends into the top of the receiving box 28 so as to collect the reclaimed materials.

This pushing equipment sets up between this unloading platform 26 and this box 2 bottom, and this pushing equipment includes: a material pushing plate 5, a bearing plate 51, a hydraulic cylinder 52, a material pushing rod 53 and a material pushing frame 54. Wherein, the material pushing plate 5 is slidably arranged between the blanking table 26 and the bottom of the box body 2; the bearing plate 51 is fixedly arranged on the outer side wall of the box body 2 away from the feed opening 27; the hydraulic cylinder 52 is fixedly mounted on the carrier plate 51; one end of the material pushing rod 53 is connected to the piston rod of the hydraulic cylinder 52, and the other end thereof extends into the box body 2; one side of the material pushing frame 54 is fixedly connected to the material pushing rod 53, and the other side is fixedly connected to one side of the material pushing plate 5.

When the screened reclaimed materials in the box body 2 need to be collected, the hydraulic cylinder 52 on the bearing plate 51 is started, the piston rod of the hydraulic cylinder 52 drives the material pushing rod 53 to move, the material pushing rod 53 drives the material pushing frame 54 to move, and the material pushing frame 54 can drive the material pushing plate 5 to slide along the bottom of the box body 2 in the moving process, so that the reclaimed materials falling to the bottom of the box body 2 after being screened are pushed into the material receiving box 28 along the discharging port 27, and then the reclaimed materials are collected.

As shown in fig. 1 and 3, because the crusher 3 is crushing the reclaimed material and screening the reclaimed material by the screening and blanking mechanism, the problem of shaking can occur, so in order to solve the above problem, in the embodiment, a rubber plate 7 is fixedly placed at the bottom of the underframe 1, the rubber plate 7 can be convenient for play the buffering effect to the underframe 1, thereby being capable of playing the stable supporting effect to the crusher 3 and the box body 2 which are convenient for, and further being capable of reducing the shaking condition of the crusher 3 and the box body 2.

The implementation principle of the embodiment is as follows: when needs treat that broken reclaimed materials carries out the breakage, start first servo motor 24 and second servo motor 65 simultaneously, then will treat broken reclaimed materials and pour into pipeline 61 along feeding funnel 63 in, then second servo motor 65 drive axis of rotation 66 rotates, axis of rotation 66 drives screw 67 and rotates, screw 67 is at the rotation in-process, can carry the reclaimed materials on feeding tube 62, thereby make the reclaimed materials along feeding tube 62 landing to in the feed inlet of breaker 3, in order to carry out the breakage to the reclaimed materials.

Then during the reclaimed materials after the breakage dropped screen cloth 4 in the box 2, first servo motor 24 drive cam 241 rotated, cam 241 rotated the in-process, can constantly support butt block 42 for butt block 42 drives the screen cloth 4 on the slide bar 41 and moves, and screen cloth 4 under telescopic link 25 and expanding spring 251's effect, can be so that screen cloth 4 carries out reciprocating motion in spout 21, thereby can be convenient for play the effect of autofilter to the reclaimed materials after the breakage.

The screened reclaimed materials drop to the bottom of the box body 2 along the blanking table 26, then the hydraulic cylinder 52 on the bearing plate 51 drives the material pushing rod 53 to move, the material pushing rod 53 drives the material pushing frame 54 to move forwards, and the material pushing frame 54 can drive the material pushing plate 5 to slide along the bottom of the box body 2 in the moving process, so that the screened reclaimed materials dropping to the bottom of the box body 2 are pushed into the material receiving box 28 along the blanking port 27, and then the reclaimed materials are collected.

The regrind that is not screened by the screen 4 slides down the screen 4 into the guide duct 22 and then into the conveying duct 61 along the connecting duct 64, so that the screw 67 in the conveying duct 61 conveys the regrind to the feed opening of the crusher 3 for repeated crushing of the regrind.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A reclaimed material crushing device comprising: a chassis (1); a box body (2) arranged on the underframe (1); and set up in on box (2), be used for carrying out broken breaker (3) to the reworked material, its characterized in that, be provided with in box (2), be used for to the reworked material after the breakage screen with the screening of unloading arrange material mechanism, screening arranges material mechanism and includes: a chute (21) arranged on the inner side wall of the box body (2); the screen (4) is arranged on the inner side wall of the box body (2) and matched with the sliding chute (21); the guide pipeline (22) is communicated with one side of the box body (2) and matched with the screen (4); the driving component is arranged on the box body (2) and is used for carrying out reciprocating screening on the screen (4); and the blanking assembly is arranged at the bottom of the box body (2) and used for automatically blanking the crushed reclaimed materials, and a feeding mechanism matched with the guide pipeline (22) is arranged on one side of the underframe (1).

2. A reclaimed material crushing apparatus according to claim 1 wherein the drive assembly comprises: a sliding rod (41) with one end connected to one side of the screen (4) departing from the guide pipeline (22) and the other end penetrating through the box body (2); an abutment block (42) connected to the slide bar (41); a support plate (23) arranged on the outer side wall of the box body (2); a first servo motor (24) arranged on the support plate (23); a cam (241) connected to a driving end of the first servo motor (24); and the elastic piece is arranged between one side of the screen (4) departing from the sliding rod (41) and the groove wall of the sliding groove (21).

3. A regrind crushing device according to claim 2, wherein the elastic member comprises: one end of each telescopic rod (25) is connected to one side of the screen (4) departing from the sliding rod (41), and the other end of each telescopic rod is connected to the groove wall of the sliding groove (21); and an extension spring (251) sleeved on the extension rod (25).

4. A regrind crushing device according to claim 1, wherein the blanking assembly comprises: the discharging platform (26) is arranged on one side, close to the material guide pipeline (22), of the box body (2); a feed opening (27) which penetrates through the side, away from the feed table (26), of the box body (2); a material receiving box (28) which is arranged on the ground and is matched with the feed opening (27); a blanking plate (29) with one side connected with the blanking port (27) and the other side extending into the material receiving box (28); and the pushing piece is arranged between the blanking table (26) and the bottom of the box body (2) and used for pushing the screened reclaimed materials out of the blanking port (27).

5. A regrind crushing device according to claim 4, wherein the ejector comprises: the material pushing plate (5) is arranged between the blanking table (26) and the bottom of the box body (2) in a sliding mode; the bearing plate (51) is arranged on one side, away from the feed opening (27), of the box body (2); a hydraulic cylinder (52) arranged on the bearing plate (51); one end of the material pushing rod (53) is connected with a piston rod of the hydraulic cylinder (52), and the other end of the material pushing rod penetrates through the side wall of the box body (2); and one side of the material pushing frame (54) is connected with the material pushing rod (53), and the other side of the material pushing frame (54) is connected with the material pushing plate (5).

6. A reclaimed material crushing apparatus according to claim 1, wherein the feed mechanism comprises: a plurality of carrying rods (6) arranged on the underframe (1); a conveying pipe (61) arranged on the bearing rod (6); the feeding pipe (62) is communicated with the conveying pipeline (61) and matched with a feeding hole of the crusher (3); a feeding hopper (63) arranged on one side of the conveying pipeline (61) close to the bearing rod (6); a connecting pipeline (64) with one end communicated with the conveying pipeline (61) and the other end connected with the material guide pipeline (22); a second servo motor (65) arranged on one side of the conveying pipeline (61) far away from the feeding pipe (62); a rotating shaft (66) which is rotatably arranged in the conveying pipeline (61) and is connected with the driving end of the second servo motor (65); and a propeller (67) arranged on the rotating shaft (66) and matched with the conveying pipeline (61).

7. A regenerated material crushing device according to claim 1, characterized in that the two sides of the screen (4) are provided with sliding blocks (43) which are matched with the sliding grooves (21), the sliding blocks (43) are connected with pulleys (431) in a rolling way, and the pulleys (431) are abutted with the groove walls of the sliding grooves (21).

8. A regrind crushing device according to claim 1, characterized in that the bottom of the underframe (1) is provided with a rubber plate (7).