CN212915896U

CN212915896U - Impact crusher convenient to change plate hammer

Info

Publication number: CN212915896U
Application number: CN202021497512.0U
Authority: CN
Inventors: 莫建飞; 狄顺飞; 莫建波
Original assignee: Liyang Deyou Chongke Machinery Equipment Co ltd
Current assignee: Liyang Deyou Chongke Machinery Equipment Co ltd
Priority date: 2020-07-25
Filing date: 2020-07-25
Publication date: 2021-04-09
Anticipated expiration: 2030-07-25

Abstract

The utility model discloses an impact crusher convenient to board hammer is changed relates to breaker technical field, and it includes casing, rotor and a plurality of board hammer, and the rotor is installed in the casing intracavity, and is a plurality of the board hammer evenly pegs graft on rotor side wall along rotor circumference, the casing includes preceding casing and back casing, preceding casing afterbody is articulated with back casing afterbody, the position that two lateral walls that the preceding casing is relative are close to the pin joint is equipped with the cylinder that opens and shuts, the cylinder tailstock that opens and shuts is articulated with preceding casing lateral wall, be equipped with on two lateral walls that the back casing is relative and supply the cylinder piston rod articulated column that opens and shuts. The utility model provides a long-time work of bar hammer damage need be changed, nevertheless change the bar hammer and need a large amount of manpowers and time to influence production efficiency and manufacturing cost's problem, have and to open the casing fast and change the bar hammer, shorten the change time, practice thrift the cost of labor and improve production efficiency's effect.

Description

Impact crusher convenient to change plate hammer

Technical Field

The utility model belongs to the technical field of breaker technique and specifically relates to a counterattack formula breaker convenient to bar changes is related to.

Background

The impact crusher is also called as impact crushing, is mainly used for processing materials which often need to be moved in metallurgy, chemical industry, building materials, water and electricity and the like, is particularly used for processing flowable stone materials in expressways, railways, water and electricity engineering and the like, and can adopt various configuration forms according to the types and scales of processing raw materials and different requirements of finished materials.

Chinese patent No. CN202942920U discloses an ultrafine impact crusher, which comprises a casing, a rotor, plate hammers, an upper chamber impact frame, a middle chamber impact frame, a lower chamber impact frame and impact plates, wherein the rotor is installed in the chamber of the casing, a group of plate hammers are installed on the rotor to divide the inner chamber of the casing into an upper chamber, a middle chamber and a lower chamber, the upper chamber impact frame is installed on the chamber wall of the upper chamber, the middle chamber impact frame is installed on the chamber wall of the middle chamber, the lower chamber impact frame is installed on the chamber wall of the lower chamber, and a group of impact plates are respectively installed on the upper chamber impact frame, the middle chamber impact frame and the lower chamber impact frame.

The above prior art solutions have the following drawbacks: the abrasion of the plate hammer is one of main failure modes of the impact crusher, the plate hammer is generally rectangular, and in the working process, one side of the plate hammer is abraded by about one fourth of the total height, and the other side of the plate hammer needs to be replaced for use or directly replaced; if the rotor is not replaced in time, the rotor can be abraded by materials, and the rotor can be scrapped due to serious abrasion, so that greater economic loss is caused; therefore, the problems of short service life and large consumption of the plate hammer generally exist, and the service life of one set of plate hammer can be only dozens of hours under the working condition that some materials are hard; and the change of bar needs to dismantle the casing earlier, and the quality of casing itself is heavier, needs a large amount of manpowers and time to influence production efficiency and manufacturing cost.

SUMMERY OF THE UTILITY MODEL

According to the not enough of prior art existence, the utility model aims at providing a counterattack formula breaker convenient to bar changes has and opens the casing fast and change the bar, shortens the change time, practices thrift the cost of labor and improves production efficiency's effect.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a counterattack formula breaker convenient to board hammer is changed, includes casing, rotor and a plurality of board hammer, and the rotor is installed in the casing intracavity, and is a plurality of the board hammer evenly pegs graft on rotor side wall along rotor circumference, the casing includes preceding casing and back casing, preceding casing afterbody is articulated with back casing afterbody, the position that two lateral walls that the preceding casing is relative are close to the pin joint is equipped with the cylinder that opens and shuts, the cylinder tailstock that opens and shuts articulates with preceding casing lateral wall, be equipped with on two lateral walls that the back casing is relative and open and shut cylinder piston rod articulated the post that opens and shuts.

Through adopting above-mentioned technical scheme, the quality of casing is great, and it is comparatively difficult that the staff opens the back casing and changes, and it is more convenient to use the cylinder to open the back casing to practice thrift the cost of labor and the back casing that opens and shuts more swiftly.

The present invention may be further configured in a preferred embodiment as: the upper end of the front shell is provided with a sliding groove, the sliding groove is formed in the width direction of the shell, a sliding block is installed in the sliding groove, the top end of the front shell is provided with a first driving assembly for driving the sliding block to move, and a hoisting assembly is installed on the sliding block;

the hoisting assembly comprises a frame, a cylinder and a clamping assembly, the frame comprises a support column, a longitudinal beam and a cross beam located right above the rotor, the support column is connected with a sliding block in a rotating mode, the longitudinal beam is vertical to the rotor in length direction, the cross beam is parallel to the rotor in axial direction, one end of the longitudinal beam is installed on the support column, the other end of the longitudinal beam is connected with the cross beam, a removing groove is formed in the lower side wall of the cross beam along the length direction of the cross beam, a removing block is connected with the sliding movement in the removing groove, a second driving assembly for driving the removing block to slide is arranged on the cross beam, the cylinder is installed on one side, away from the cross beam, of the removing block, a piston rod of the cylinder extends towards the height direction of the casing, and.

Through adopting above-mentioned technical scheme, after the long-time work of board hammer leads to the board hammer wearing and tearing to damage, hoist and mount subassembly moves towards the rotor direction under the control of cylinder, makes the centre gripping subassembly can centre gripping subassembly centre gripping board hammer, and when centre gripping subassembly fixed board hammer, first drive assembly and the linkage of second drive assembly are dismantled the change to the board hammer, change more convenient quick to work efficiency has been improved.

The present invention may be further configured in a preferred embodiment as: the centre gripping subassembly includes grip slipper and two grip blocks, the grip slipper is connected with the piston rod of cylinder, the grip slipper has been kept away from one side of cylinder and has been seted up along its length direction and has pressed from both sides tight groove, two the grip block about grip slipper central line symmetry sets up, the one end of grip block is located press from both sides tight inslot and slide, press from both sides tight inslot internal rotation and be connected with rather than seting up the consistent double-threaded screw of direction, the lateral wall fixedly connected with third motor of grip block, the output shaft and the coaxial fixed of double-threaded screw of third motor.

Through adopting above-mentioned technical scheme, when dismantling and installing, motor drive double-end screw can press from both sides tight board hammer through two grip blocks to make whole dismantlement change work more safe and stable.

The present invention may be further configured in a preferred embodiment as: and an anti-skid layer is arranged on one side opposite to the two clamping plates.

Through adopting above-mentioned technical scheme, when the board hammer breaks away from the rotor, because the board hammer quality is beaten, the skid resistant course can reduce the board hammer from the clamping component possibility of landing, and then avoid accidentally injuring the staff.

The present invention may be further configured in a preferred embodiment as: the first driving assembly comprises a first lead screw and a first motor, the first motor is installed on the outer side wall of the front casing, the first lead screw is arranged in the sliding groove along the length direction of the sliding groove, the first lead screw is in threaded connection with the sliding block, and one end of the first lead screw is fixedly connected with an output shaft of the first motor.

Through adopting above-mentioned technical scheme, the weight of plate hammer is great, and the drive that uses the motor lead screw is more stable and more steady at gliding in-process.

The present invention may be further configured in a preferred embodiment as: one end of the rotor is provided with a locking groove, the outer side wall of the front casing is provided with a locking seat, and a locking column capable of being inserted into the locking groove is arranged in the locking seat in a sliding and penetrating mode.

Through adopting above-mentioned technical scheme, when the staff when changing the board hammer, the locking post prevents that the rotor from rotating in inserting the locking seat to improve maintenance factor of safety, avoid at the centre gripping in-process, the rotor rotates and damages the centre gripping subassembly.

The present invention may be further configured in a preferred embodiment as: the plate hammer comprises a hammer seat and a hammer head, the hammer seat is connected onto the rotor in an inserted mode, the two ends of the rotor are connected with anti-moving blocks in a rotating mode, the anti-moving blocks are used for preventing the hammer seat from moving along the length direction of the rotor, and the anti-moving blocks are made of natural rubber materials and abut against the end face of the hammer seat in the length direction.

By adopting the technical scheme, the plate hammer is not easy to move relative to the rotor in the using process, and the possibility of potential safety hazards is reduced.

The present invention may be further configured in a preferred embodiment as: and a rubber pad is arranged at the butt joint of the front shell and the rear shell.

Through adopting above-mentioned technical scheme, the closed casing need be opened in the change of board hammer, opens at every turn and easily takes place the collision between closed front casing and the back casing, and the rubber pad can play the cushioning effect when front casing and back casing are closed, prolongs the life of casing.

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

1. through the arrangement of the hoisting assembly, the sliding block, the sliding groove and the first driving assembly, the effect of quickly dismounting and replacing the plate hammer when the plate hammer is worn and damaged can be achieved, so that the working efficiency is improved, the possibility that the impact crusher is damaged due to damage of the plate hammer is avoided, and the service life of the impact crusher is prolonged;

2. through the setting of opening and shutting cylinder and locking piece, can play the effect that improves factor of safety when dismouting changes the board hammer.

Drawings

Fig. 1 is a schematic structural diagram for embodying the entirety of the present embodiment.

Fig. 2 is a schematic structural diagram for embodying the internal structure of the housing of the present embodiment.

Fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.

Fig. 4 is a schematic structural diagram of the hoisting assembly of the embodiment located outside the casing.

In the figure, 1, a housing; 11. a front housing; 111. a sliding groove; 112. a sliding block; 1121. a rotating groove; 113. a first cover plate; 114. a first drive assembly; 1141. a first lead screw; 1142. a first motor; 115. a locking seat; 1151. a locking post; 12. a rear housing; 13. an opening and closing cylinder; 14. opening and closing the column; 2. a rotor; 21. a locking groove; 3. a plate hammer; 31. a hammer base; 32. a hammer head; 5. hoisting the assembly; 51. a frame; 511. a support pillar; 5111. a cross bolt mounting plate; 512. a stringer; 513. a cross beam; 5131. removing the groove; 5132. removing the block; 52. a cylinder; 6. a second drive assembly; 61. a second cover plate; 62. a second lead screw; 63. a second motor; 7. a clamping assembly; 71. a clamping seat; 711. a clamping groove; 72. a clamping plate; 721. a double-ended screw; 722. a third motor; 8. a rubber pad; 9. and an anti-slip layer.

Detailed Description

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

Example (b):

as shown in fig. 1, the utility model discloses a counterattack formula breaker convenient to bar changes, including casing 1, rotor 2 and four bar 3. Casing 1 divide into preceding casing 11 and back casing 12, 11 cross-sections of preceding casing are three echelonments, rotor 2 rotates and installs in 11 middle ladders departments of preceding casing, board hammer 3 includes integrated into one piece's hammer seat 31 and tup 32, the hammer seat 31 of four board hammers 3 evenly pegs graft in 2 circumference lateral walls of rotor along 2 length direction of rotor, rotor 2's both ends all are connected with along its circumferential direction and prevent moving piece 4, prevent moving piece 4 and be natural rubber material and with the length direction terminal surface butt of hammer seat 31, prevent moving piece 4 and can reduce the possibility that hammer seat 31 removed along 2 length direction of rotor. The upper end of the tail part of the front casing 11 is hinged with the lower end of the tail part of the rear casing 12, the two opposite outer side walls of the tail part of the front casing 11 are symmetrically hinged with opening and closing cylinders 13, the two opposite outer side walls of the rear casing 12 are symmetrically welded with opening and closing columns 14, and piston rods of the opening and closing cylinders 13 are hinged with the opening and closing columns 14 to control the opening and closing of the rear casing 12.

As shown in fig. 2 and 3, a "convex" sliding groove 111 is formed above the front housing 11 along the width direction thereof, a sliding block 112 is slidably disposed in the sliding groove 111, and a first cover plate 113 is mounted at one end of the sliding groove 111 through a bolt to prevent the sliding block 112 from sliding out of the sliding groove 111. First drive assembly 114 is installed on preceding casing 11 top, first drive assembly 114 includes first motor 1142 and first lead screw 1141, first motor 1142 is fixed in the lateral wall of preceding casing 11, first lead screw 1141 is located sliding groove 111, first lead screw 1141

passes sliding block

112 and 112 threaded connection with sliding block, first lead screw 1141's one end rotates with first apron 113 to be connected, the other end is connected with first motor 1142's output shaft, it is connected with hoist and mount subassembly 5 that is used for dismouting board hammer 3 to rotate on sliding block 112.

As shown in fig. 2 and 3, the hoisting assembly 5 includes a frame 51, a cylinder 52 and a clamping assembly 7, and the frame 51 includes a support column 511, a longitudinal beam 512 perpendicular to the central axis of the rotor 2 and a transverse beam 513 parallel to the central axis of the rotor 2. One end of the supporting column 511 is in a rod shape and is rotatably connected with the sliding block 112, one end of the longitudinal beam 512 is welded with one end of the supporting column 511 far away from the sliding block 112, and the other end of the longitudinal beam is welded with the middle point of the cross beam 513. The cross bolt mounting plate 5111 is welded on the side wall of the support column 511, and the support column 511 can be fixed relative to the sliding block 112 through bolts.

As shown in fig. 2 and 3, a side of the cross beam 513 facing the rotor 2 is provided with a "convex" shaped removing groove 5131 along a length direction of the cross beam 513, a removing block 5132 slides in the removing groove 5131, one end of the removing groove 5131 is provided with a second cover plate 61 through a bolt to prevent the removing block 5132 from sliding out of the removing groove 5131, the cross beam 513 is provided with a second driving assembly 6, the second driving assembly 6 comprises a second motor 63 and a second lead screw 62, the second motor 63 is fixed on one side of the length direction of the cross beam 513, the second lead screw 62 is located in the removing groove 5131, one end of the second lead screw 62 is rotatably connected with the second cover plate 61, the other end of the second lead screw is coaxially fixed with an output shaft of the second motor 63, and the removing block 5132 is in threaded connection with the second lead screw 62.

As shown in fig. 2 and 3, a cylinder 52 is mounted on a side of the removing block 5132 away from the cross beam 513 by bolts, the cylinder 52 is located right above the rotor 2, a piston rod of the cylinder 52 extends towards the rotor 2, and the piston rod of the cylinder 52 is fixedly connected with the clamping assembly 7. The clamping assembly 7 comprises a clamping seat 71 and two clamping plates 72, one side of the clamping seat 71 is connected with a piston rod of the air cylinder 52, one side of the clamping seat 71, which is far away from the piston rod of the air cylinder 52, is provided with a convex clamping groove 711, the clamping groove 711 is formed along the length direction of the clamping seat 71, one ends of the two clamping plates 72 are located in the clamping groove 711, the two clamping plates 72 are symmetrically arranged about the center line of the frame 51, the clamping groove 711 is rotatably connected with a double-threaded screw 721, two ends of the double-threaded screw 721 penetrate out of the two clamping plates 72 respectively, one side of the length direction of the clamping seat 71 is fixedly connected with a third motor 722, an output shaft of the third motor 722 is fixedly connected with the double-threaded. The two clamping plates 72 are slidably connected with the clamping groove 711 and are respectively in threaded connection with the reverse thread section of the double-threaded screw 721, and when the third motor 722 is started, the two clamping plates 72 can be controlled to synchronously move in opposite directions, so that the two clamping plates 72 are driven to clamp the plate hammer 3 inserted on the rotor 2. And an anti-slip layer 9 is further arranged on the opposite side of the two clamping plates 72, so that the clamping plates 72 can clamp the board hammer 3 more tightly.

As shown in fig. 2 and 3, when the clamping assembly 7 clamps the plate hammer 3, the first motor 1142 drives the first lead screw 1141 to rotate so that the sliding block 112 moves towards the first cover plate 113, the supporting column 511 moves towards the first cover plate 113 together with the sliding block 112, and when the sliding block 112 slides to the limit position of the sliding groove 111, the second motor 63 drives the second lead screw 62 to rotate so as to drive the clamping assembly 7 to move towards the second cover plate 61, so that the inserted plate hammer 3 is moved out of the rotor 2, and the disassembly is completed.

In the in-process of dismantling, in order to prevent that rotor 2 from rotating, lead to the difficult grip block 3 of centre gripping subassembly 7, so offer locking groove 21 in the one end of rotor 2, the welding of preceding casing 11 lateral wall has locking seat 115, and locking post 1151 is worn to be equipped with coaxially in locking seat 115, and locking post 1151 can pass locking seat 115 and insert in locking groove 21 to fixed rotor 2, with the factor of safety when improving change block 3.

As shown in fig. 2 and 3, one side of the hammer head 32 facing the front housing 11 can be provided with a striking layer (not shown in the figure) through a countersunk bolt, the angle between the striking layer and the hammer seat 31 is 150 degrees, the striking layer is made of a hard alloy material, the crushing efficiency can be effectively improved, and the abrasion damage of materials to the plate hammer 3 can be reduced, so that the service life of the plate hammer 3 is prolonged, the replacement frequency of the plate hammer is reduced, and the working efficiency is improved.

As shown in fig. 4, the rubber pads 8 are arranged at the abutting positions of the front casing 11 and the rear casing 12, when the assembly and disassembly are completed, the worker rotates the supporting columns 511 to enable the hoisting assembly 5 to be located outside the casing 1, the opening and closing cylinder 13 controls the rear casing 12 to be closed, the front casing 11 and the rear casing 12 have certain collision, and the rubber pads 8 can play a role in buffering, so that the casing 1 is protected.

The implementation principle of the above embodiment is as follows: when the crusher normally works, the clamping assembly 7 is positioned at one side of the machine shell 1, and the supporting column 511 and the sliding block 112 are relatively fixed through the cross bolt mounting plate 5111. When the board hammer 3 needs to be replaced, the opening and closing cylinder 13 opens the rear shell 12, a worker inserts the locking post 1151 into the locking groove 21, then the anti-moving block 4 is rotated to be separated from the hammer seat 31 to abut against the locking post, then the hoisting assembly 5 is rotated to enter the rack 51, the first motor 1142 controls the sliding block 112 to the midpoint of the sliding groove 111, then the second motor 63 controls the removing block 5132 to slide to the midpoint of the removing groove 5131, then the cylinder 52 extends out of the piston rod, the clamping assembly 7 moves towards the board hammer 3, and meanwhile the clamping assembly 7 clamps the board hammer 3. Following retraction of the piston rod of the cylinder 52, the first motor 1142 drives the sliding block 112 to move to the first cover plate 113, and then the supporting column 511 is rotated, and the second motor 63 controls the two clamping plates 72 to move away from each other, so as to replace the plate hammer 3.

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. The utility model provides an impact crusher convenient to board hammer is changed, includes casing (1), rotor (2) and a plurality of board hammer (3), and install in casing (1) intracavity rotor (2), its characterized in that: a plurality of board hammer (3) are evenly pegged graft on rotor (2) lateral wall along rotor (2) circumference, casing (1) is including preceding casing (11) and back casing (12), preceding casing (11) afterbody is articulated with back casing (12) afterbody, two relative lateral walls of preceding casing (11) are equipped with the cylinder (13) that opens and shuts, cylinder (13) tailstock and preceding casing (11) lateral wall hinge open and shut, be equipped with on two relative lateral walls of back casing (12) and open and shut cylinder (13) piston rod articulated column (14) that opens and shuts.

2. A impact crusher to facilitate replacement of a plate hammer as claimed in claim 1, wherein: a sliding groove (111) is formed in the upper end of the front casing (11), the sliding groove (111) is formed in the width direction of the casing (1), a sliding block (112) is installed in the sliding groove (111), a first driving assembly (114) for driving the sliding block (112) to move is arranged at the top end of the front casing (11), and a hoisting assembly (5) is installed on the sliding block (112);

the hoisting assembly (5) comprises a rack (51), a cylinder (52) and a clamping assembly (7), the rack (51) comprises a support column (511), a longitudinal beam (512) and a cross beam (513) located right above a rotor (2), the support column (511) is rotatably connected with a sliding block (112), the longitudinal beam (512) is vertical to the rotor (2) in length direction, the cross beam (513) is axially parallel to the rotor (2), one end of the longitudinal beam (512) is installed on the support column (511), the other end of the longitudinal beam is connected with the cross beam (513), a removing groove (5131) is formed in the lower side wall of the cross beam (513) in length direction, a removing block (5132) is connected in sliding mode in the removing groove (5131), a second driving assembly (6) for driving the removing block (5132) to slide is arranged on the cross beam (513), the cylinder (52) is installed on one side, far away from the cross beam (513), of the removing block (5132), the piston rod of the air cylinder (52) extends towards the height direction of the front machine shell (11), and the piston rod of the air cylinder (52) is connected with a clamping assembly (7) used for clamping the plate hammer (3).

3. A impact crusher to facilitate replacement of a plate hammer as claimed in claim 2, wherein: the utility model discloses a clamping assembly, including centre gripping subassembly (7) and two grip blocks (72), the piston rod of grip block (71) and cylinder (52) is connected, grip block (71) are kept away from one side of cylinder (52) and have been seted up along its length direction and press from both sides tight groove (711), two grip block (72) about grip block (71) central line symmetry sets up, the one end of grip block (72) is located press from both sides tight groove (711) internal slipping, press from both sides tight groove (711) internal rotation and be connected with rather than seting up the consistent double-end screw (721) of direction, the lateral wall fixedly connected with third motor (722) of grip block (72), the output shaft and the double-end screw (721) of third motor (722) are coaxial fixed.

4. A impact crusher to facilitate replacement of a plate hammer as claimed in claim 3, wherein: and an anti-skid layer (9) is arranged on one side opposite to the two clamping plates (72).

5. A impact crusher to facilitate replacement of a plate hammer as claimed in claim 2, wherein: the first driving assembly (114) comprises a first lead screw (1141) and a first motor (1142), the first motor (1142) is mounted on the outer side wall of the front machine shell (11), the first lead screw (1141) is arranged in the sliding groove (111) along the length direction of the sliding groove (111), the first lead screw (1141) is in threaded connection with the sliding block (112), and one end of the first lead screw (1141) is fixedly connected with an output shaft of the first motor (1142).

6. A impact crusher to facilitate replacement of a plate hammer as claimed in claim 1, wherein: one end of the rotor (2) is provided with a locking groove (21), the outer side wall of the front casing (11) is provided with a locking seat (115), and a locking column (1151) capable of being inserted into the locking groove (21) is arranged in the locking seat (115) in a sliding mode.

7. A impact crusher to facilitate replacement of a plate hammer as claimed in claim 1, wherein: the plate hammer (3) comprises a hammer seat (31) and a hammer head (32), the hammer seat (31) is inserted into the rotor (2), the two ends of the rotor (2) are connected with an anti-moving block (4) in a rotating mode, the anti-moving block is used for preventing the hammer seat (31) from moving along the length direction of the rotor (2), and the anti-moving block (4) is made of natural rubber materials and is abutted to the end face of the hammer seat (31) in the length direction.

8. A impact crusher to facilitate replacement of a plate hammer as claimed in claim 1, wherein: and a rubber pad (8) is arranged at the joint of the front shell (11) and the rear shell (12).