CN210753075U

CN210753075U - Reinforcing steel bar shredder

Info

Publication number: CN210753075U
Application number: CN201921404634.8U
Authority: CN
Inventors: 赵勇; 李松庆; 李泽
Original assignee: Changsha Zhongjin Intelligent Equipment Co ltd
Current assignee: Changsha Zhongjin Intelligent Equipment Co ltd
Priority date: 2019-08-27
Filing date: 2019-08-27
Publication date: 2020-06-16
Anticipated expiration: 2029-08-27

Abstract

The utility model discloses a reinforcing steel bar shredder, which comprises a box body, a roller assembly and a driving device, wherein the roller assembly is arranged in the box body, the driving device drives the roller assembly used for shredding a reinforcing steel bar group to rotate, and the reinforcing steel bar shredder also comprises a material blocking device which is arranged on the box body and corresponds to the arrangement of the roller assembly; the material blocking device comprises a material blocking fixing seat, a material blocking limiting seat, a material blocking beam, a transverse fixed cutter and a vertical fixed cutter; the material blocking fixing seat and the material blocking limiting seat are connected with the box body, and the material blocking beam is arranged between the material blocking fixing seat and the material blocking limiting seat and is adjustable in front-back and up-down positions; horizontal stationary knife and vertical stationary knife set up respectively and stop the reinforcing bar group in keeping off material roof beam side and bottom surface, keep off the material roof beam front and back, upper and lower position through the regulation and control the reinforcing bar quantity that gets into the roller assembly, and the strict control feeding is installed the profile of tooth cutter of taking hawk hook form skewed tooth on the roller assembly and is colluded the reinforcing bar and cut toward roller assembly shredding zone, forms the effect of "sericulture" reinforcing bar group, avoids the shredder card to die.

Description

Reinforcing steel bar shredder

Technical Field

The utility model relates to a material processing equipment field, especially a reinforcing bar shredder.

Background

With the accelerated urbanization process of the country, a large amount of removal reinforcing steel bars can be generated in the building removal process, and the removed reinforcing steel bars can be recycled after being processed. On the site, the removed steel bars are generally treated into lumps for convenient transportation, but certain difficulty is brought to subsequent recovery treatment. For the steel bar in the shape of a ball, the current treatment mode is as follows: after a large-tonnage gantry shear (generally more than 800 t) is used for shearing, the gantry shear is shredded into reinforcing steel bar particles with the length of about 10cm by using a shredder, if pretreatment is not carried out, the massive reinforcing steel bars are directly put into the shredder, and the shredder is very easy to block due to too much feeding at one time. However, the large gantry shears are expensive and high in energy consumption, and the single-ton processing cost of the massive reinforcing steel bars can be greatly increased by the processing mode.

SUMMERY OF THE UTILITY MODEL

In order to fill the blank of the prior art, the utility model provides a but reinforcing bar shredder of direct processing reinforcing bar group.

The utility model provides a reinforcing bar shredder, includes box, roller assembly, drive arrangement, the roller assembly is installed in the box, the drive arrangement drive the roller assembly rotates, still including installing the dam device on the box, the roller assembly includes that at least two have the roller of profile of tooth cutter, two adjacent roller subtend rotations, and the top of two rollers has a feeding district, dam device sets up in the top in feeding district.

As an improvement of the scheme, the material blocking device comprises a material blocking beam and a fixed seat, the material blocking beam and the fixed seat are installed on the box body, and the fixed seat is used for fixing the material blocking beam.

As an improvement of the scheme, a wear-resistant layer is sintered on the side face and the bottom face of the material blocking beam.

As an improvement of the scheme, the material blocking device further comprises a transverse fixed cutter and a vertical fixed cutter, wherein the transverse fixed cutter is arranged on the side face of the material blocking beam, and the vertical fixed cutter is arranged on the bottom face of the material blocking beam.

As an improvement of the scheme, the bottom surface of the transverse fixed cutter is flush with the bottom surface of the material blocking beam or lower than the bottom surface of the material blocking beam.

As an improvement of the above scheme, the baffle plate further comprises a transverse fixed cutter mounting seat and an adjusting block, the transverse fixed cutter mounting seat is mounted on the side face of the material blocking beam, the transverse fixed cutter is mounted on the transverse fixed cutter mounting seat, and the adjusting block is arranged on the transverse fixed cutter mounting seat and used for adjusting the position of the transverse fixed cutter in the vertical direction.

As an improvement of the scheme, the material blocking device further comprises a material blocking limiting seat and at least one front and back adjusting plate; the material blocking limiting seat is arranged on the box body; the front and rear adjusting plates are arranged between the front side surface of the material blocking beam and the material blocking fixing seat and/or between the rear side surface of the material blocking beam and the material blocking limiting seat and used for adjusting the front and rear positions of the material blocking beam.

As an improvement of the scheme, the device also comprises at least one upper and lower adjusting plate; the upper and lower adjusting plates are arranged between the top surface of the material blocking beam and the material blocking fixing seat and/or between the bottom surface of the material blocking beam and the box body and used for adjusting the position of the material blocking beam in the upper and lower directions.

As an improvement of the scheme, a plurality of tooth-shaped cutters are mounted on the roll shaft, and the inclined teeth of the tooth-shaped cutters are eagle-hook-shaped.

As an improvement of the scheme, the tooth-shaped cutter comprises a cutter head and a spacer bush, the cutter head and the spacer bush are arranged on the roller shaft at intervals, and the inclined teeth of the cutter head and/or the spacer bush are in the shape of an eagle hook.

The utility model has the advantages that: the utility model discloses a set up stock stop at open box top in top surface, stock stop transversely arranges the box top in, and with stock stop front and back both sides be formed with two pan feeding mouths, be first pan feeding mouth and second pan feeding mouth respectively, the reinforcing bar group can be got into by first pan feeding mouth and/or second pan feeding mouth, still be formed with the third pan feeding mouth between the vertical dead knife that stock stop bottom set up and the shredding zone of roller assembly, the reinforcing bar group that gets into by first pan feeding mouth and/or second pan feeding mouth just can arrive roller assembly shredding zone via the third pan feeding mouth and cut, regulating plate and upper and lower regulating plate around being provided with on the stock stop, it is adjustable through the volume of putting of folding of regulating plate and upper and lower regulating plate around increasing and decreasing the pan feeding width of first pan feeding mouth, second pan feeding mouth and third pan feeding mouth, and/or adjust through the height position of adjusting horizontal dead knife between the high position and the vertical dead knife distance assembly shredding zone of adjusting side of stock stop stock beam the roller the height position adjusts The pan feeding width of first pan feeding mouth, second pan feeding mouth and third pan feeding mouth to the strict control feeding makes the reinforcing bar group slowly by the shearing of roller assembly screw in, forms the effect of "silkworm food" reinforcing bar group, avoids the shredder card to die. The roller shaft assembly comprises a first roller shaft and a second roller shaft which are symmetrically arranged in parallel, tooth-shaped cutters used for shearing the steel bar groups are arranged on the first roller shaft and the second roller shaft, eagle-hook-shaped helical teeth are arranged on the tooth-shaped cutters, the steel bars in the steel bar groups are hooked through the eagle-hook-shaped helical teeth, the steel bars are screwed into the shredding areas between the first roller shaft and the second roller shaft to be sheared, pretreatment of the steel bar groups is not needed, the steel bar groups can be directly put into a shredder to be treated, processing is convenient, time cost is reduced, and processing cost of pretreatment is reduced by using a large gantry shear.

Drawings

The present invention will be further explained with reference to the drawings and examples.

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a side view of the present invention;

FIG. 3 is a cross-sectional view A-A of FIG. 2;

FIG. 4 is an enlarged view of a portion of the material blocking device of FIG. 3;

fig. 5 is a sectional view of B-B in fig. 2.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail with reference to examples.

The present invention relates to a reinforcing bar shredder, and the preferred embodiments of the present invention will be described in further detail below. It should be noted that, in the present invention, the position of the first roller 21-1 is defined as "front", and the position of the second roller 21-2 is defined as "back"; defining the position of the driving device 30 for driving the first roller shaft 21-1 to rotate as "left", then the position of the driving device 30 for driving the second roller shaft 21-2 to rotate is corresponding to "right", then the positions of "up" and "down" are also determined, for the convenience of description, in the utility model, the left-right direction is defined as horizontal, and the up-down direction is defined as vertical.

As shown in fig. 1 and fig. 2, a reinforcing bar shredder comprises a box 10, a roller assembly 20 and a driving device 30, wherein the roller assembly 20 is installed in the box 10, the top of the box 10 is open to serve as a feeding port, the bottom of the box 10 is supported and fixed by a base to ensure the stability of the whole box 10 when the roller assembly 20 works in the box 10, the driving device 30 drives the roller assembly 20 to rotate to shear reinforcing bars, the roller assembly 20 comprises at least two rollers 21 with tooth-shaped cutters 22, the two adjacent rollers 21 rotate oppositely to cooperate with the roller 21 with the tooth-shaped cutters 22 to form a shredding zone between the two rollers 21 and hook reinforcing bars in a material (i.e. a reinforcing bar group) into the shredding zone between the two rollers 21 to shred the reinforcing bars, and a feeding zone is arranged above the two rollers 21. The material inlet control device is characterized by further comprising a material blocking device 40 arranged on the box body 10, wherein the material blocking device 40 is arranged above the corresponding position of the material inlet area and used for controlling the material entering between the two roller shafts 21 of the roller shaft assembly 20; the material blocking device 40 can be directly fixed on the top of the box body 10, can also be supported and fixed on the ground through a support, and is suspended above the corresponding position of the roller shaft assembly 20, and the fixing mode can be adjusted according to the actual situation.

Preferably, the material blocking device 40 includes a material blocking beam 41 and a fixing seat 42, the material blocking beam 41 and the fixing seat are installed on the box 10, the material blocking beam 41 is preferably arranged in a direction parallel to the roller shafts 21 of the roller shaft assemblies 20, the arrangement position preferably corresponds to the position of a shredding area between two roller shafts 21 of the roller shaft assemblies 20, the fixing seat is preferably arranged at two ends of the material blocking beam 41 and used for fixing the material blocking beam 41, the stability of the material blocking beam 41 installed on the box 10 is ensured, and the material blocking beam 41 does not move transversely when blocking materials.

Preferably, the side surfaces and the bottom surface of the material blocking beam 41 are sintered with a wear-resistant layer, and when material blocking is performed, the side surfaces and the bottom surface of the material blocking beam 41 inevitably directly contact with the material, so that the wear-resistant layer is sintered on the side surfaces and the bottom surface of the material blocking beam 41.

As preferred, still include horizontal stationary knife 43 and vertical stationary knife 44, horizontal stationary knife 43 sets up keep off on the material roof beam 41 side, and preferred keep off material roof beam 41 leading flank and trailing flank and all be provided with horizontal stationary knife 43, horizontal stationary knife 43 bottom surface with keep off material roof beam 41 bottom surface parallel and level or horizontal stationary knife 43 bottom surface is less than keep off material roof beam 41 bottom surface, vertical stationary knife 44 sets up on keeping off material roof beam 41 bottom surface, horizontal stationary knife 43 with vertical stationary knife 44 is used for blockking the material to control the size and the quantity that the material got into roller assembly 20 makes the material slowly get into roller assembly 20, forms the effect of "predatory" material.

As preferred, still include horizontal stationary knife mount pad 45 and regulating block 46, the leading flank and the trailing flank of keeping off material roof beam 41 are installed respectively horizontal stationary knife mount pad 45, horizontal stationary knife 43 is installed on horizontal stationary knife mount pad 45, and regulating block 46 sets up and is used for adjusting on horizontal stationary knife mount pad 45 the position of horizontal stationary knife 43 up-and-down direction, through regulating block 46's regulation can make horizontal stationary knife 43 bottom surface with keep off material roof beam 41 bottom surface parallel and level or horizontal stationary knife 43 bottom surface is less than keep off material roof beam 41 bottom surface, through adjusting regulating block 46, it is adjustable horizontal stationary knife 43 blocks the size and the quantity of material, is less than when horizontal stationary knife 43 bottom surface is less than keep off material roof beam 41 bottom surface, and the effect that blocks the material is big more to horizontal stationary knife 43, and the size and the quantity that the material got into roller assembly 20 are little. And the transverse stationary knife 43 is preferably made of wear-resistant chromium carbide wear-resistant steel plate to enhance the wear resistance thereof so as to deal with the problem of direct contact with materials.

As shown in fig. 3 and 4, the material blocking device 40 further comprises a material blocking limiting seat 47, at least one front and back adjusting plate 48 and at least one upper and lower adjusting plate 49; the material blocking limiting seat 47 is arranged on the box body 10 and is adjustable in position; the cross section of the material blocking fixing seat 42 is L-shaped, the material blocking fixing seat 42 covers the front side surface and the top surface of the material blocking beam 41, the material blocking limiting seat 47 limits and fixes the rear side surface of the material blocking beam 41, and the front and rear adjusting plates 48 are arranged between the front side surface of the material blocking beam 41 and the material blocking fixing seat 42 and/or between the rear side surface of the material blocking beam 41 and the material blocking limiting seat 47; the upper and lower adjusting plates 49 are arranged between the top surface of the material blocking beam 41 and the material blocking fixing seat 42 and/or between the bottom surface of the material blocking beam 41 and the box body 10. The front and rear adjusting plates 48 with different numbers and the upper and lower adjusting plates 49 with different numbers are superposed at each position, so that the front and rear positions and the upper and lower positions of the material blocking beam 41 can be adjusted, and the range of the whole material blocking device 40 for controlling the feeding size can be adjusted.

The right by the material that keeps off material roof beam 41 leading flank and/or trailing flank entering roller assembly 20, both accessible cooperation above-mentioned preceding back regulating plate 48 and upper and lower regulating plate 49 come to control the material size that gets into roller assembly 20, also can be through adjusting horizontal stationary knife 43 is adjusted to regulating block 46 keep off position on the material roof beam 41 and come to control the material size that gets into roller assembly 20, still can come to control the material size that gets into roller assembly 20 through the position of regulating plate 48, upper and lower regulating plate 49 and horizontal stationary knife 43 around adjusting simultaneously, and the mode is various, can be according to the nimble regulation mode that changes in range of convenient degree and required regulation.

Preferably, the vertical fixed knife 44 is arranged on the bottom surface of the material blocking beam 41 and is perpendicular to the bottom surface of the material blocking beam 41, and the bottom of the vertical fixed knife 44 extends to the position above the shredding area of the roller shaft assembly 20; the vertical fixed knife 44 is arranged on one side of the bottom surface of the material blocking beam 41 close to the front side surface of the material blocking beam 41 and/or on one side of the bottom surface of the material blocking beam 41 close to the back side surface of the material blocking beam 41. When feeding is carried out only from one side of the front side surface of the material blocking beam 41, the vertical fixed knife 44 is arranged on one side of the bottom surface of the material blocking beam 41 close to the front side surface of the material blocking beam 41 to block materials; when feeding is performed only from the side, close to the rear side surface of the material blocking beam 41, of the bottom surface of the material blocking beam 41, the vertical fixed knife 44 is arranged on the side, close to the rear side surface of the material blocking beam 41, of the bottom surface of the material blocking beam 41 to block the material; when following simultaneously keep off material roof beam 41 leading flank and trailing flank feeding keep off material roof beam 41 bottom surface and be close to leading flank one side and be close to trailing flank one side and all be provided with vertical stationary knife 44 blocks the material, and the strict control feeding slowly cuts the material, realizes "the sericulture of material" effect.

Preferably, in order to enhance the blocking effect of the vertical fixed knives 44 and prevent the vertical fixed knives 44 from being bent or broken during the long-time contact with the material, the rear side surface of the vertical fixed knives 44 arranged near one side of the front side surface of the material blocking beam 41 is provided with reinforcing ribs, and the front side surface of the vertical fixed knives 44 arranged near one side of the rear side surface of the material blocking beam 41 is provided with reinforcing ribs to protect the vertical fixed knives 44 and enhance the blocking effect of the vertical fixed knives 44.

Preferably, the transverse fixed knife 43, the vertical fixed knife 44 and the reinforcing rib are detachably connected with the material blocking beam 41 respectively, so that the positions of the transverse fixed knife 43, the vertical fixed knife 44 and the reinforcing rib can be adjusted, detached and replaced.

Preferably, for convenience of description, the two roller shafts 21 are a first roller shaft 21-1 and a second roller shaft 21-2 which are arranged in parallel, and the tooth-shaped cutter 22 is mounted on the first roller shaft 21-1 and the second roller shaft 21-2; drive arrangement 30 is provided with two and divides to locate both ends about box 10, the box 10 left end drive arrangement 30 drives first roller 21-1 and rotates, the box 10 right-hand member drive arrangement 30 drives second roller 21-2 and rotates, first roller 21-1 direction of rotation with second roller 21-2 direction of rotation is opposite, realizes between first roller 21-1 and the second roller 21-2 opposite direction rotation, first roller 21-1 and second roller 21-2 opposite direction rotation form the district of tearing, and the district of tearing is in the shown scope district of C-C in figure 3, keep off material roof beam 41 set up in the top that the district of tearing corresponds the position.

Open formation pan feeding mouth 50 in box 10 top, pan feeding mouth 50 includes first pan feeding mouth, second pan feeding mouth and third pan feeding mouth, because the box 10 top is open, consequently the horizontal stationary knife 43 that keeps off 41 front and back both sides face of material is formed with first pan feeding mouth and second pan feeding mouth with box 10 top front end edge and rear end edge, vertical stationary knife 44 is formed with the third pan feeding mouth with between the roll shaft assembly 20 shredding zone, the size of the material that third pan feeding mouth control got into roll shaft assembly 20 shredding zone via first pan feeding mouth and/or second pan feeding mouth, thereby realizes to get into the strict control of the material size in roll shaft assembly 20 shredding zone avoids roll shaft assembly 20 card to die when shredding the material, makes the material slowly sheared by roll shaft assembly 20 screw in, forms the effect of "silkworm shit" material.

When a material enters the roller shaft assembly 20 from the first feeding port, the second feeding port and the third feeding port, at the position of the first feeding port, the width between the transverse fixed cutter 43 arranged on the front side surface of the material blocking beam 41 and the first roller shaft 21-1 of the roller shaft assembly 20 is set to be L1; at the position of the second feeding port, the width between the transverse fixed cutter 43 arranged on the rear side surface of the material blocking beam 41 and the second roller shaft of the roller shaft assembly 20 is set to be L3; at the third feeding port, the width between the vertical stationary knife 44 and the shredding zone of the roller shaft assembly 20 is the feeding width of the material, and the feeding width of the third feeding port is set to be L2. L1, L2 and L3 correspond to the numbers L1, L2 and L3 in FIG. 3, and the numbers correspond to the positions of the first feeding port, the third feeding port and the second feeding port.

The modes of adjusting the L1, the L2 and the L3 are various, the stacking number of the positions of the front and rear adjusting plates 48 and/or the upper and lower adjusting plates 49 can be independently adjusted to adjust the L1, the L2 and the L3, the positions of the transverse fixed knife 43 and/or the vertical fixed knife 44 can be independently adjusted to adjust the L1 and the L2, l3, on the basis of adjusting the stacking number of the front and rear adjusting plates 48 and/or the upper and lower adjusting plates 49 at the positions, the positions of the transverse fixed knives 43 and/or the vertical fixed knives 44 are adjusted to adjust the L1, the L2 and the L3, and the influence of the adjusting of the stacking number of the front and rear adjusting plates 48 and/or the upper and lower adjusting plates 49 at the positions on the L1, the L2 and the L3 is given below (the adjusting mode is that the vertical fixed knives 44 are arranged on the bottom surface of the material blocking beam 41 near the rear side surface of the material blocking beam 41).

1. The number of front and rear adjusting plates 48 stacked between the front end surface of the material blocking beam 41 and the material blocking fixing seat 42 is reduced, the number of front and rear adjusting plates 48 stacked between the rear end surface of the material blocking beam 41 and the material blocking limiting seat 47 is increased, the L1 can be reduced, and the L2 and the L3 can be increased;

2. the number of the front and rear adjusting plates 48 stacked between the front end surface of the material blocking beam 41 and the material blocking fixing seat 42 is increased, the number of the front and rear adjusting plates 48 stacked between the rear end surface of the material blocking beam 41 and the material blocking limiting seat 47 is reduced, the L1 can be increased, and the L2 and the L3 can be reduced;

3. the number of the upper and lower adjusting plates 49 stacked between the top surface of the end part of the material blocking beam 41 and the material blocking fixing seat 42 is reduced, the number of the upper and lower adjusting plates 49 stacked between the bottom surface of the end part of the material blocking beam 41 and the box body 10 is increased, and L1, L2 and L3 can be increased simultaneously;

4. the number of the upper and lower adjusting plates 49 stacked between the top surface of the end part of the material blocking beam 41 and the material blocking fixing seat 42 is increased, the number of the upper and lower adjusting plates 49 stacked between the bottom surface of the end part of the material blocking beam 41 and the box body 10 is reduced, and the L1, the L2 and the L3 can be simultaneously reduced.

When the adjustment mode does not reach the expected L1, L2 and L3, the positions of the transverse fixed knife 43 and the vertical fixed knife 44 can be disassembled and assembled to cooperatively adjust the L1, the L2 and the L3.

Preferably, the first roll shaft 21-1 and the second roll shaft 21-2 are respectively provided with a plurality of tooth-shaped cutters 22, the end parts of the cutting ends of the tooth-shaped cutters 22 are provided with eagle hook-shaped helical teeth, and the reinforcing steel bars in the material are hooked and pulled to the shredding area through the eagle hook-shaped helical teeth for cutting.

Preferably, the tooth-shaped cutter 22 comprises a cutter disc 221 and a spacer 222; the cutter heads 221 and the spacer bushes 222 are arranged on the first roller shaft 21-1 at intervals, the cutter heads 221 and the spacer bushes 222 are also arranged on the second roller shaft 21-2 at intervals, the cutter heads 221 on the first roller shaft 21-1 and the spacer bushes 222 on the second roller shaft 21-2 are correspondingly arranged, and the spacer bushes 222 on the first roller shaft 21-1 and the cutter heads 221 on the second roller shaft 21-2 are correspondingly arranged; the cutting end of the cutter head 221 or the spacer 222 is provided with eagle hook-shaped inclined teeth, and preferably, the cutter head 221 and the spacer 222 arranged corresponding to the cutter head 221 are respectively provided with eagle hook-shaped inclined teeth, so that the inclined teeth of the cutter head 221 and the corresponding inclined teeth of the spacer 222 form flying shears, the cutting efficiency is higher, and the silkworm food materials can be more quickly eaten.

Preferably, transverse shearing is formed between the cutter heads 221 of the first roller shaft 21-1 and the second roller shaft 21-2 and the cutter heads 221, flying shearing is formed between the cutter heads 221 of the first roller shaft 21-1 and the second roller shaft 21-2 and the correspondingly arranged spacer 222, and the flying shearing is vertical shearing, so that the reinforcing steel bar can be sheared no matter which direction the reinforcing steel bar mass enters the shredding area between the first roller shaft 21-1 and the second roller shaft 21-2.

Preferably, each of the bottom portions of the vertical fixed knives 44 extends to a position above the shearing position of the cutter heads 221 and the spacer 222 which are correspondingly arranged in the shredding zone, that is, the bottom portions of the vertical fixed knives 44 are suspended above the corresponding position of the spacer 222, so that the vertical fixed knives 44 can control feeding, and can form transverse shearing with the cutter heads 221 on two sides of the vertical fixed knives 44 to participate in shearing together, as shown by the circled portion in fig. 2, the vertical fixed knives 44 are vertically arranged between the adjacent cutter heads 221, and the number of the vertical fixed knives 44 can be adjusted as required.

As shown in fig. 5, the synchronous mechanism 60 further includes a first synchronous gear 61 and a second synchronous gear 62, the first synchronous gear 61 and the second synchronous gear 62 are respectively installed on the first roller shaft 21-1 and the second roller shaft 21-2 and are meshed with each other, the synchronous mechanism 60 is used for ensuring synchronous rotation of the first roller shaft 21-1 and the second roller shaft 21-2, and the first roller shaft 21-1 and the second roller shaft 21-2 are synchronously and oppositely rotated in cooperation with the driving device 30. On the axial projection plane of the first roller shaft 21-1 and the second roller shaft 21-2, the connecting line of the inclined tooth end of the cutter head 221 on the first roller shaft 21-1 and the inclined tooth end of the corresponding spacer 222 on the second roller shaft 21-2 at the closest point or the farthest point passes through the axial center point of the first roller shaft 21-1 or the second roller shaft 21-2, the connecting line of the inclined tooth end of the spacer 222 on the first roller shaft 21-1 and the inclined tooth end of the corresponding cutter head 221 on the second roller shaft 21-2 at the closest point or the farthest point passes through the axial center point of the first roller shaft 21-1 or the second roller shaft 21-2, and the first roller shaft 21-1 and the second roller shaft 21-2 are matched to synchronously and oppositely rotate, therefore, at any time, as long as the inclined tooth ends of the corresponding cutter head 221 and spacer 222 on the first roller shaft 21-1 and the second roller shaft 21-2 rotate to the closest point, namely, when the cutter head 221 and the spacer 222 which correspond to each other on different roll shafts rotate to the shredding area for shearing, the ends of the eagle hook helical teeth of the cutter head and the spacer 222 correspond to each other, so that the materials are shredded and sheared together, and the effect of silkworm food on the materials is enhanced.

Finally, the above embodiments are only used for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution, which should be covered by the claims of the present invention.

Claims

1. The utility model provides a reinforcing bar shredder, includes box (10), roller assembly (20), drive arrangement (30), roller assembly (20) are installed in box (10), drive arrangement (30) drive roller assembly (20) rotate, its characterized in that: still including installing stock stop (40) on box (10), roller assembly (20) include at least two roller (21) that have profile of tooth cutter (22), and two adjacent roller (21) opposite direction rotate, and the top of two roller (21) has a feeding zone, stock stop (40) set up in the top in feeding zone.

2. A rebar shredder according to claim 1, wherein: the material blocking device (40) comprises a material blocking beam (41) and a material blocking fixing seat (42), the material blocking beam (41) and the material blocking fixing seat (42) are installed on the box body (10), and the material blocking fixing seat (42) is used for fixing the material blocking beam (41).

3. A rebar shredder according to claim 2, wherein: and a wear-resistant layer is sintered on the side surface and the bottom surface of the material blocking beam (41).

4. A rebar shredder according to claim 2, wherein: the material blocking device is characterized by further comprising a transverse fixed cutter (43) and a vertical fixed cutter (44), wherein the transverse fixed cutter (43) is arranged on the side face of the material blocking beam (41), and the vertical fixed cutter (44) is arranged on the bottom face of the material blocking beam (41).

5. A rebar shredder according to claim 4, wherein: the bottom surface of the transverse fixed cutter (43) is flush with the bottom surface of the material blocking beam (41) or the bottom surface of the transverse fixed cutter (43) is lower than the bottom surface of the material blocking beam (41).

6. A rebar shredder according to claim 4, wherein: still include horizontal stationary knife mount pad (45) and regulating block (46), install in the side that keeps off material roof beam (41) horizontal stationary knife mount pad (45), install horizontal stationary knife (43) on horizontal stationary knife mount pad (45), regulating block (46) set up and are used for adjusting on horizontal stationary knife mount pad (45) the position of horizontal stationary knife (43) upper and lower direction.

7. A rebar shredder according to any one of claims 1-6, wherein: the material blocking device (40) further comprises a material blocking limiting seat (47) and at least one front and back adjusting plate (48);

the material blocking limiting seat (47) is arranged on the box body (10);

the front and rear adjusting plates (48) are arranged between the front side surface of the material blocking beam (41) and the material blocking fixing seat (42) and/or between the rear side surface of the material blocking beam (41) and the material blocking limiting seat (47) and used for adjusting the front and rear positions of the material blocking beam (41).

8. A rebar shredder according to claim 7, wherein: also comprises at least one up-down adjusting plate (49); the upper and lower adjusting plates (49) are arranged between the top surface of the material blocking beam (41) and the material blocking fixing seat (42) and/or between the bottom surface of the material blocking beam (41) and the box body (10) and used for adjusting the position of the material blocking beam (41) in the upper and lower directions.

9. A rebar shredder according to claim 8, wherein: a plurality of tooth-shaped cutters (22) are mounted on the roll shaft (21), and the inclined teeth of the tooth-shaped cutters (22) are in a eagle-hook shape.

10. A rebar shredder according to claim 9, wherein: the tooth-shaped cutter (22) comprises a cutter head (221) and a spacer bush (222), the cutter head (221) and the spacer bush (222) are installed on the roller shaft (21) at intervals, and the inclined teeth of the cutter head (221) and/or the spacer bush (222) are in a shape of a hawk hook.