CN211988937U

CN211988937U - Pre-crushing device of impact crusher

Info

Publication number: CN211988937U
Application number: CN201922486176.3U
Authority: CN
Inventors: 谈志强; 胡雷
Original assignee: Suzhou Tuona Superfine Powder Co ltd
Current assignee: Suzhou Tuona Superfine Powder Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-11-24
Anticipated expiration: 2029-12-31

Abstract

The utility model relates to a pre-crushing device of an impact crusher, which comprises a frame arranged at the feed inlet of the impact crusher and a crushing mechanism arranged in the frame, wherein the crushing mechanism comprises two horizontally arranged rollers which are both rotationally connected with the inner wall of the frame, the two rollers rotate relatively, one side of the impact crusher is provided with a driving mechanism which is linked with the driving mechanism, the pre-crushing device can effectively crush stones with larger volume, avoid the serious abrasion of a plate hammer and an impact plate of the crusher caused by the larger stones, prolong the service life of the crusher, improve the working efficiency of the crusher, the motor drives the crushed stones to reciprocate, improve the crushing efficiency of the pre-crushing device, and a guide plate and a screening grid can screen stones with smaller volume and stones with larger volume, the pre-crushing device and the crusher can work simultaneously, and the working efficiency is improved.

Description

Pre-crushing device of impact crusher

Technical Field

The utility model belongs to the technical field of impact crusher technique and specifically relates to an impact crusher is breaker in advance.

Background

A counterattack crusher is a crushing machine that uses impact energy to crush material. During operation, the motor drives the rotor to rotate at a high speed, when a material enters a plate hammer action area, the material is impacted at a high speed by the plate hammer and is crushed, the crushed material is thrown to a counterattack plate arranged above the rotor along the tangential direction to be crushed again, then the material rebounds to the plate hammer action area from the counterattack plate to be crushed again, the process is repeated until the material is crushed to the required granularity and is discharged from a discharge port, and the purpose of changing the granularity and the shape of the material can be achieved by adjusting the gap between the counterattack frame and the rotor.

In prior art, utility model patent that publication number is CN204365408U specifically discloses an impact crusher, including rotor in box frame, the board hammer on the rotor, be located the impact plate in the frame inner rotor outside, the impact plate includes the fixed plate and passes through the swing board of round pin axle articulated with the fixed plate, swing board relatively fixed plate is located the place ahead of rotor rotation direction, the swing board is driven by swing mechanism and is to the reciprocal swing of rotor direction. The materials with larger grain diameters are exerted to the direction of the rotor by the oscillating plate which oscillates back and forth in the falling process after meeting the fixed plate, so that the materials with larger grain diameters can still be acted on the plate hammer of the rotor by counterattack, and the materials with larger grain diameters can be continuously impacted and crushed between the plate hammer and the counterattack plate.

Although above-mentioned scheme can be broken the material effectively, when broken material volume is very big, can cause very big wearing and tearing to board hammer and counterattack board, reduced the life-span of counterattack board and board hammer, need frequently change board hammer and counterattack board, reduced the production efficiency of breaker when having increased use cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a not enough to prior art exists, the utility model aims at providing a breaker in advance of impact crusher can carry out the less building stones of volume in advance to the great building stones of volume to can reduce the wearing and tearing of bar and impact plate, thereby improve life-span and the work efficiency of breaker.

The above object of the present invention is achieved by the following technical solutions:

a pre-crushing device of an impact crusher comprises a frame arranged at a feed inlet of the impact crusher, a crushing mechanism arranged in the frame and a driving mechanism arranged on one side of the frame;

the crushing mechanism comprises two rollers which are horizontally arranged, two ends of the two rollers are respectively and rotatably connected with two opposite inner walls in the rack, the two rollers rotate relatively, and the rollers are linked with the driving mechanism;

a plurality of connecting plates are arranged on the circumferences of the side walls of the two rollers, and a plurality of broken pieces are uniformly arranged on the connecting plates; the broken pieces are detachably connected with the side wall of the connecting plate.

Through adopting above-mentioned technical scheme, actuating mechanism drives the running roller and does the relative rotation, can carry out the breakage to the great building stones of volume, make its volume reduce the back and then get into the impact crusher in carry out further broken handle, thereby can avoid the great building stones of volume to get into the impact crusher in and cause the load of impact crusher great, thereby can reduce the wearing and tearing of impact crusher plate hammer and impact frame, thereby improve the life-span of impact crusher, improve the crushing efficiency of impact crusher simultaneously. Broken piece can improve the crushing effect of running roller to building stones to improve crushing efficiency. When the broken block is abraded, the abraded broken block can be conveniently replaced by a worker, so that the broken block crushing effect is guaranteed, and the crushing efficiency of the roller is further guaranteed.

The present invention may be further configured in a preferred embodiment as: the connecting plate with running roller lateral wall sliding joint cooperation, the inside cavity that is provided with of running roller, be provided with the drive assembly that the drive connecting plate removed in the cavity, drive assembly include with cavity inner wall fixed connection's motor, with the bent axle of motor output end linkage and with the actuating lever that the bent axle rotates to be connected, the bent axle rotates with the cavity inner wall to be connected, the one end that the bent axle was kept away from to the actuating lever articulates there is the connecting seat, the outside of connecting seat is connected with the connecting rod with connecting plate fixed connection, the axis of rotation of bent axle with the axis of running roller is mutually perpendicular.

Through adopting above-mentioned technical scheme, the bent axle is rotatory under the drive of motor, drives the connecting plate through actuating lever and connecting rod and is reciprocating motion along running roller length direction to make broken piece do reciprocating motion, broken piece on two running rollers is reciprocating motion simultaneously, can promote broken kibbling crushing effect, thereby promotes the crushing efficiency of running roller, and then promotes impact crusher's crushing effect.

The present invention may be further configured in a preferred embodiment as: be provided with roll spacing adjusting part in the frame, roll spacing adjusting part includes and wears to establish the screw rod on the regulating block with frame lateral wall fixed connection's regulation frame, the regulating block and the screw thread that slide to be connected with the regulation frame, the screw rod rotates with the regulation frame to be connected, the running roller tip is provided with the connecting axle, be provided with the shifting chute that supplies the connecting axle to remove in the frame, the connecting axle passes the shifting chute rotates with the regulating block to be connected, screw rod one end extends to regulation frame outside and fixedly connected with twist grip.

Through adopting above-mentioned technical scheme, rotate the screw rod through twist grip to adjust the regulating block in the inside position of alignment jig, and then adjust the roll spacing between two running rollers, can adjust the broken granularity of building stones, make in advance breaker can satisfy different broken requirements in advance, improve with breaker's application scope, reduced use cost.

The present invention may be further configured in a preferred embodiment as: the roller is kept away from one side of feed inlet is provided with the deflector, the deflector extends to two the roller top, the both ends of deflector respectively with two relative inner wall fixed connection in the frame.

Through adopting above-mentioned technical scheme, the deflector can guarantee that the building stones accurately falls into between two running rollers to guarantee that the running roller can carry out the breakage in advance to the building stones effectively.

The present invention may be further configured in a preferred embodiment as: the guide plate is provided with a first screening grid, the screening grid is detachably connected with the guide plate, and a guide groove communicated with the inside of the impact crusher is arranged below the first screening grid.

Through adopting above-mentioned technical scheme, first screening grid can stay the great building stones of volume on the guide plate, then fall into and carry out crushing treatment in advance between the running roller, and the less building stones of volume then can directly fall into in the guiding gutter gets into the backstroke crusher through first screening grid, carries out crushing treatment, promotes and breaker's work efficiency, has promoted the work efficiency of backstroke crusher simultaneously greatly.

The present invention may be further configured in a preferred embodiment as: running roller below is provided with second screening grid, the both ends of second screening grid with the both sides wall fixed connection that the frame is relative, second screening grid top is provided with two broken splint, two broken splint set up relatively, two pneumatic cylinders of frame lower extreme fixedly connected with, two the pneumatic cylinder is followed frame width direction central line symmetric distribution, two the piston rod and two of pneumatic cylinder all are provided with the U-shaped pole between the broken clamp, the one end of U-shaped pole with pneumatic cylinder piston rod fixed connection, the other end with the lateral wall fixed connection of broken splint.

Through adopting above-mentioned technical scheme, second screening grid can sieve the building stones that do not pass through the running roller breakage, makes it stay on second screening grid, and the pneumatic cylinder can drive two broken splint and be relative motion for broken splint can carry out crushing treatment to the building stones that stay on second screening grid, makes the building stones can reach the granularity that the preliminary treatment required, guarantees preprocessing device and can carry out preliminary treatment fully to the building stones.

The present invention may be further configured in a preferred embodiment as: and a plurality of crushing blocks are fixedly connected to the opposite side walls of the two crushing clamping plates.

Through adopting above-mentioned technical scheme, broken piece can promote the crushing efficiency of broken splint, and then promotes breaker's work efficiency in advance.

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

1. the pre-crushing device can effectively crush stone with larger volume, can avoid the condition that the plate hammer and the impact plate of the crusher are seriously abraded due to the larger volume of the stone, prolongs the service life of the crusher, reduces the replacement frequency of the impact plate and the plate hammer, and improves the working efficiency of the impact crusher;

2. the motor drives the connecting plate to reciprocate on the roller, so that the crushing block is driven to reciprocate, and the crushing efficiency of the pre-crushing device can be improved;

3. deflector and screening grid can sieve the building stones of less volume and the great building stones of volume, can make breaker and impact crusher simultaneous working in advance, have promoted work efficiency.

Drawings

Fig. 1 is a schematic view of the internal structure of a pre-crushing device of a trans-crusher;

FIG. 2 is a schematic view showing a connection relationship between the driving mechanism and the roller;

FIG. 3 is a schematic view of the inner structure of the roller;

FIG. 4 is a schematic view showing the construction of a drive assembly;

FIG. 5 is an enlarged partial schematic view of portion A of FIG. 4;

fig. 6 is a schematic view showing the connection between the crushing clamp plate and the hydraulic cylinder;

fig. 7 is a partially enlarged schematic view of a portion B in fig. 6.

In the figure, 1, a frame; 11. an adjusting block; 12. a moving groove; 13. a screw; 14. rotating the handle; 15. a guide plate; 16. a first screening grid; 17. a second screening grid; 18. an adjusting frame; 2. a crushing mechanism; 21. a roller; 211. a connecting shaft; 22. a connecting plate; 221. a connecting rod; 222. breaking the fragments; 23. a crankshaft; 24. a motor; 25. a drive rod; 26. crushing the clamping plate; 27. a hydraulic cylinder; 28. a U-shaped rod; 29. crushing a pointed cone; 3. a drive mechanism; 4. impact crusher.

Detailed Description

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

Referring to fig. 1, for the utility model discloses a pre-crushing device of impact crusher, including frame 1, the crushing mechanism 2 of setting in frame 1 inside and the actuating mechanism 3 of setting in frame 1 one side that set up in the feed inlet of impact crusher 4, frame 1 is connected with the dismantlement of impact crusher 4.

Crushing mechanism 2 includes the running roller 21 that two levels set up, two running roller 21's both ends rotate with two relative inner walls in the frame 1 respectively and are connected, the one end of two running roller 21 all extends to the frame 1 outside, refer to fig. 2, actuating mechanism 3 includes two driving motor, two driving motor's output and two running roller 21 extend to the equal fixedly connected with band pulley of the tip in the frame 1 outside, the band pulley on the driving motor passes through V belt drive with the band pulley on the running roller 21, two driving motor can drive two running roller 21 and do the relative rotation, make running roller 21 can carry out broken handle to the great building stones of volume.

Referring to fig. 3, equal circumference is provided with 8 connecting plates 22 on the lateral wall of two running rollers 21, connecting plate 22 and the cooperation of running roller 21 lateral wall slip joint, connecting plate 22 is dismantled on the lateral wall of running roller 21 dorsad and is connected with 8 broken pieces 222, the inside cavity that is provided with of running roller 21, be provided with the drive assembly that drive connecting plate 22 removed in the cavity, drive assembly includes the motor 24 with cavity inner wall fixed connection, bent axle 23 with the linkage of motor 24 output and with bent axle 23 rotation be connected's actuating lever 25, bent axle 23 rotates with the cavity inner wall to be connected, the one end that bent axle 23 was kept away from to actuating lever 25 articulates there is connecting seat 223, the outside of connecting seat 223 is connected with connecting rod 221 with connecting plate 22 fixed connection, the axis of.

The output end of the motor 24 and the crankshaft 23 are fixedly connected with gears which are meshed with each other, so that the motor 24 can drive the crankshaft 23 to rotate, and the driving rod 25 can convert the rotary motion of the crankshaft 23 into the reciprocating motion of the connecting plate 22.

Referring to fig. 4, be provided with roll spacing adjusting part in frame 1, refer to fig. 5, roll spacing adjusting part includes the regulation frame 18 with frame 1 lateral wall fixed connection, adjust the screw rod 13 of block 11 and the screw thread wearing to establish on the regulation block 11 with the regulation frame 18 that slides and is connected, screw rod 13 rotates with adjust the frame 18 and is connected, running roller 21 tip is provided with connecting axle 211, be provided with the shifting chute 12 that supplies connecting axle 211 to remove in frame 1, connecting axle 211 passes shifting chute 12 and rotates with adjust the block 11 and is connected, screw rod 13 one end extends to the regulation frame 18 outside and fixedly connected with twist grip 14, through rotating screw rod 13, screw rod 13 drives the adjusting block 11 and removes in shifting chute 12, and then can adjust the roll spacing between two running rollers 21, so that the precrushing device can satisfy different user demands.

Referring to fig. 1, one side that the feed inlet was kept away from to running roller 21 is provided with deflector 15, the both ends of deflector 15 respectively with frame 1 in two relative inner wall fixed connection, be provided with first screening grid 16 on the deflector 15, first screening grid 16 can be stayed the big building stones of volume on deflector 15 and fall into between two running rollers 21, carry out crushing treatment to it, and the less building stones of volume then gets into inside impact crusher 4 through first screening grid 16, make impact crusher 4 can be earlier broken to the less building stones of volume, promote impact crusher 4's crushing efficiency.

The below of running roller 21 is provided with second screening grid 17, and the both ends of second screening grid 17 respectively with the relative both sides wall fixed connection of frame 1, second screening grid 17 can avoid not falling into impact crusher 4 by the building stones of running roller 21 crushing treatment to avoid the great building stones of volume to cause serious wear to impact crusher 4.

Referring to fig. 6, be provided with two broken splint 26 between second screening grid 17 and the running roller 21, all be provided with 9 broken pointed cones 29 of group on the relative lateral wall of two broken splint 26, every group all includes 9 broken pointed cones 29, two pneumatic cylinders 27 of frame 1 lower extreme fixedly connected with, two pneumatic cylinders 27 are along frame width direction central line symmetric distribution, two pneumatic cylinder 27's piston rod fixedly connected with U-shaped pole 28, and respectively with the lateral wall fixed connection that two broken splint 26 carried on the back mutually, pneumatic cylinder 27 can drive two broken splint 26 relative motion, thereby can carry out crushing treatment with the great building stones of volume on the second screening grid 17.

The implementation principle of the embodiment is as follows: put into the pre-crushing device from frame 1 feed inlet with building stones, when building stones pass through first screening grid 16 on the deflector 15, the less building stones of volume can fall into in impact crusher 4 through first screening grid 16, impact crusher 4 carries out crushing treatment to building stones, and the great building stones of volume then stay on first screening grid 16, fall into two through deflector 15 and be between relative pivoted running roller 21, the inside motor 24 of running roller 21 can drive bent axle 23 and rotate, the rotary motion of bent axle 23 can be transformed into the reciprocating motion of setting up connecting plate 22 on the running roller 21 lateral wall, broken block 222 can promote the crushing efficiency of running roller 21.

The roller 21 pre-crushes the stone material with larger volume to make the stone material become stone material with smaller volume, then the stone material enters the impact crusher 4 through the discharge port of the frame 1, and the impact crusher 4 further crushes the stone material.

When stones with larger volume on the roller 21 fall from the roller 21 onto the second screening grid 17, the hydraulic cylinder 27 drives the two crushing splints 26 to move relatively, so that the crushing splints 26 crush the stones.

When the roller distance between the two rollers 21 needs to be adjusted, the rotating handle 14 on the screw 13 is rotated to further rotate the screw 13, and the screw 13 drives the adjusting block 11 to move in the moving groove 12, so that the roller distance between the two rollers 21 can be adjusted.

The embodiments of the present invention are the preferred embodiments of the present invention, and the protection scope of the present invention is not limited by this, 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. The utility model provides a pre-crushing device of impact crusher, its characterized in that: comprises a frame (1) arranged at a feed inlet of a reaction crusher (4), a crushing mechanism (2) arranged in the frame (1) and a driving mechanism (3) arranged at one side of the frame (1);

the crushing mechanism (2) comprises two rollers (21) which are horizontally arranged, two ends of the two rollers (21) are respectively and rotatably connected with two opposite inner walls in the rack (1), the two rollers (21) rotate relatively, and the rollers (21) are linked with the driving mechanism (3);

a plurality of connecting plates (22) are arranged on the side walls of the two rollers (21) in the circumferential direction, and a plurality of crushing blocks (222) are uniformly arranged on the connecting plates (22); the broken pieces (222) are detachably connected with the side wall of the connecting plate (22).

2. An impact crusher pre-crushing device according to claim 1, characterized in that: connecting plate (22) with running roller (21) lateral wall sliding joint cooperation, running roller (21) inside is provided with the cavity, be provided with the drive assembly that drive connecting plate (22) removed in the cavity, drive assembly include with cavity inner wall fixed connection motor (24), with bent axle (23) of motor (24) output linkage and with bent axle (23) rotation actuating lever (25) of being connected, bent axle (23) with the cavity inner wall rotates to be connected, the one end that bent axle (23) were kept away from in actuating lever (25) articulates there is connecting seat (223), the outside of connecting seat (223) is connected with connecting rod (221) with connecting plate (22) fixed connection, the axis of rotation of bent axle (23) with the axis of running roller (21) is mutually perpendicular.

3. An impact crusher pre-crushing device according to claim 1, characterized in that: be provided with roll spacing adjusting part on frame (1), roll spacing adjusting part includes adjusting frame (18) with frame (1) lateral wall fixed connection, with adjusting block (11) and the screw thread that adjusting frame (18) slided and is connected wear to establish screw rod (13) on adjusting block (11), screw rod (13) rotate with adjusting frame (18) and are connected, running roller (21) tip is provided with connecting axle (211), be provided with movable groove (12) that supply connecting axle (211) to remove on frame (1), connecting axle (211) are passed movable groove (12) rotate with adjusting block (11) and are connected, screw rod (13) one end extends to adjusting frame (18) outside and fixedly connected with turning handle (14).

4. An impact crusher pre-crushing device according to claim 1, characterized in that: running roller (21) are kept away from one side of feed inlet is provided with deflector (15), deflector (15) extend to two running roller (21) top, the both ends of deflector (15) respectively with two relative inner wall fixed connection in frame (1).

5. A pre-crushing device of an impact crusher according to claim 4, characterized in that: be provided with first screening grid (16) on deflector (15), first screening grid with deflector (15) are dismantled and are connected.

6. An impact crusher pre-crushing apparatus according to claim 5, wherein: running roller (21) below is provided with second screening grid (17), the both ends of second screening grid (17) with frame (1) relative both sides wall fixed connection, second screening grid (17) top is provided with two broken splint (26), two broken splint (26) set up relatively, two pneumatic cylinder (27), two of frame (1) lower extreme fixedly connected with are followed pneumatic cylinder (27) frame (1) width direction central line symmetric distribution, two the piston rod and two of pneumatic cylinder (27) all are provided with U-shaped pole (28) between broken splint (26), the one end of U-shaped pole (28) with pneumatic cylinder (27) piston rod fixed connection, the other end with the lateral wall fixed connection of broken splint (26).

7. An impact crusher pre-crushing device according to claim 6, characterized in that: a plurality of crushing tip cones (29) are fixedly connected to the opposite side walls of the two crushing splints (26).