CN211246760U

CN211246760U - Impact crusher

Info

Publication number: CN211246760U
Application number: CN201922148567.4U
Authority: CN
Inventors: 仲纪洪; 朱灯荣; 陈立新
Original assignee: Sanyou Heavy Industry Technology Jiangsu Co ltd
Current assignee: Sanyou Heavy Industry Technology Jiangsu Co ltd
Priority date: 2019-12-04
Filing date: 2019-12-04
Publication date: 2020-08-14
Anticipated expiration: 2029-12-04

Abstract

The utility model provides a counterattack breaker, include: the device comprises a shell, a first clamping device and a second clamping device, wherein a treatment cavity is defined in the shell, and the shell is provided with a feeding hole and a discharging hole which are communicated with the treatment cavity; the rotating shaft, at least one part of the rotating shaft is rotatablely arranged in the processing chamber around the axis of the rotating shaft; the crushing assembly is arranged on the part, positioned in the treatment cavity, of the rotating shaft and is driven by the rotating shaft to crush the materials in the treatment cavity; the at least one flywheel and the rotating shaft are coaxially arranged on the rotating shaft; the impact plate comprises a plurality of bodies, each body is formed into a block shape, and a plurality of body holes are formed in the inner wall surface of the upper shell or the lower shell at intervals in sequence; the adjustable impact plate is movably arranged on the shell, and at least one part of the adjustable impact plate is adjustable relative to the distance of the crushing assembly so as to control the size of crushed particles. The utility model discloses a backstroke crusher, simple structure not only, convenient to detach and maintenance, the board hammer is fixed firm, and the energy consumption is low moreover, and work efficiency is high.

Description

Impact crusher

Technical Field

The utility model relates to an engineering machine tool technical field especially relates to a counterattack breaker.

Background

With the enhancement of the ecological environment protection of the country, the disordered exploitation of river sand and the exploitation and utilization of mine resources must be effectively controlled. A large amount of sand and stones required by national infrastructure construction become scarce resources, and the pebble machine-made sand and stones can replace natural sand and stones. How to improve the production efficiency of machine-made sand and stone and reduce the production cost becomes the problem of the primary consideration of manufacturers.

The impact crusher is a crushing machine for crushing materials by using impact energy, and the impact crusher in the prior art is usually an integrally-formed part, so that the impact crusher is large in size and mass and inconvenient to install and transport; the strength of the crusher shell also directly affects the service life of the crusher; the discharge ports of most crushers are fully open, materials are directly output from the discharge ports, and the crushing effect is poor; the plate hammer is difficult to install and fix; the three crushing zones are structurally complex.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of above-mentioned technical problem at least.

Therefore, the utility model provides a counterattack breaker, this counterattack breaker really realize the theory of "iron beat stone", "stone beat stone". The impact crusher has the advantages of low energy consumption, high efficiency, simple structure and convenient adjustment of a crushing area.

According to the utility model discloses an impact crusher, include: the device comprises a shell, a first clamping device and a second clamping device, wherein a treatment cavity is defined in the shell, and the shell is provided with a feeding hole and a discharging hole which are communicated with the treatment cavity; the rotating shaft, at least one part of the rotating shaft is rotatablely arranged in the processing cavity around the axis of the rotating shaft; the crushing assembly is arranged on the part, positioned in the treatment cavity, of the rotating shaft, and is driven by the rotating shaft to crush the materials in the treatment cavity; at least one flywheel, at least one said flywheel and said spindle are set up on the said spindle coaxially; the impact plate comprises a plurality of bodies, each body is formed into a block shape, and a plurality of body holes are arranged on the inner wall surface of the shell at intervals in sequence; the adjustable impact plate is movably arranged on the shell, and at least one part of the adjustable impact plate is adjustable relative to the distance of the crushing assembly so as to control the size of crushed particles.

According to the utility model discloses impact crusher through setting up at least one flywheel in one side of pivot, and the impact plate comprises a plurality of bodies, and broken regional volume is adjusted to adjustable impact plate, and this impact crusher is simple structure not only, and the board hammer is fixed firm, and casing and impact plate easily dismantle and maintain, and the energy consumption is low moreover, and work efficiency is high.

According to the utility model discloses impact crusher can also have following additional technical characterstic:

according to an embodiment of the present invention, the housing includes: the lower shell is internally limited with a discharging cavity with an open upper end and is provided with a discharging hole communicated with the discharging cavity; go up the casing, it has the open broken chamber of lower extreme to inject in the upper casing, go up the casing be equipped with broken chamber intercommunication the feed inlet, it establishes to go up the casing down on the casing and with casing detachably links to each other down, the end of opening in broken chamber with the structure of the end of opening in unloading chamber is corresponding and go up the casing with communicate into when the casing links to each other down the treatment chamber.

According to an embodiment of the present invention, the upper housing and at least a portion of the lower housing are provided with mounting holes that are perforated in respective wall thickness directions, and the reaction plate is connected to the upper housing or the lower housing by bolts that pass through the mounting holes.

According to an embodiment of the present invention, the two ends of the rotating shaft extend out of the housing, at least one flywheel is provided at one end of the rotating shaft.

According to an embodiment of the invention, the crushing assembly comprises: the rotor is sleeved on the rotating shaft and driven by the rotating shaft to rotate around the axis of the rotating shaft, and a plurality of mounting grooves distributed at intervals along the circumferential direction of the rotor are formed in the rotor; a plurality of plate hammers, it is a plurality of the plate hammer is followed respectively the circumference interval of rotor is seted up and is corresponded in the mounting groove, every the inner of plate hammer with the mounting groove links to each other, every the outer end of plate hammer is followed the radial outside extension of rotor in the circumference of rotor, every the thickness of the outer end of plate hammer is greater than the thickness in inner.

According to an embodiment of the invention, the thickness of the outer end of each of said hammers is 1.5-2.5 times the thickness of the corresponding inner end.

According to an embodiment of the invention, the crushing assembly further comprises: the locking block is arranged in the mounting groove and matched with one side of the plate hammer to fix the plate hammer; and the double-wedge-face locking device is arranged in the mounting groove and matched with the other side of the plate hammer to fix the plate hammer.

According to the utility model discloses an embodiment, two scarf locking device include: the two first locking blocks are arranged on two sides of a rotor sheet of the rotor in a spaced and opposite mode, opposite surfaces of the two first locking blocks are respectively formed into first wedge-shaped surfaces, and the two first wedge-shaped surfaces are respectively abutted against two sides of the rotor sheet; at least one part of the cushion block is arranged between the two first locking blocks and is connected with one ends of the two first locking blocks; at least one part of the second locking block is arranged between the two first locking blocks and is connected with the other ends of the two first locking blocks, a second wedge-shaped surface is formed on one side, facing the plate hammer, of the second locking block, and the second wedge-shaped surface abuts against the plate hammer to press the plate hammer; fasteners connected to both of the first locking blocks to clamp the rotor sheet.

According to the utility model discloses an embodiment, the casing is equipped with down and is used for the installation the portion of dodging of adjustable counterattack board, adjustable counterattack board movably establishes down on the casing, at least partly of adjustable counterattack board with casing pivot ground links to each other down, another part of adjustable counterattack board is wound adjustable counterattack board with the junction of casing is rotatable with the regulation down with broken subassembly's distance.

According to an embodiment of the present invention, the adjustable reaction plate comprises: the plate body is formed into a strip shape extending along the axial direction of the rotating shaft, and the impact plate is arranged on one side of the plate body facing the crushing assembly; the connecting shafts are arranged at two opposite ends of the plate body and are pivotally connected with the lower shell; one end of the adjusting mechanism is connected with the other side of the plate body, the other end of the adjusting mechanism is connected with the lower shell, and the adjusting mechanism can move to adjust the distance between the plate body and the crushing assembly.

Drawings

Fig. 1 is a schematic structural view of a reaction crusher according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view of FIG. 1;

fig. 3 is a schematic structural view of a reaction plate of a reaction crusher according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a double wedge face locking device of a reaction crusher according to an embodiment of the present invention;

fig. 5 is a schematic structural view of an adjustable impact plate of an impact crusher according to an embodiment of the present invention.

Reference numerals:

an upper case 110; a first plate body 111; a second plate 112; a third plate 113; a feed port 114; a lower case 120; a carrier part 121; a stopping portion 122; a discharge plate 123; a discharge port 124;

the impact plate 200; a body 210; a connection face 220; a crushing striking surface 230; a reaction hole 240;

a rotating shaft 310; a flywheel 320; a pulley 330;

a crushing assembly 400; a rotor 410; the rotor sheet 411; a plate hammer 420; a bottom wall 421; a first sidewall 422; a second sidewall 423; a positioning groove 424; a locking block 430;

a double wedge locking device 500; a first locking block 510; a spacer block 520; a second locking block 530; a fastener 540;

an adjustable counterattack panel 610; a plate body 620; a connecting shaft 630; an adjustment mechanism 640;

the impact crusher 700.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The impact crusher 700 according to an embodiment of the present invention will be described first in detail with reference to the accompanying drawings.

As shown in fig. 1-5, an impact crusher 700 according to an embodiment of the present invention includes a housing (not shown), a rotating shaft 310, a crushing assembly 400, at least one flywheel 320, an impact plate 200, and an adjustable impact plate 610.

Specifically, a processing cavity is defined in the shell, the shell is provided with a feeding hole 114 and a discharging hole 124 which are communicated with the processing cavity, at least one part of a rotating shaft 310 is rotatably arranged in the processing cavity around the axis of the rotating shaft, a crushing assembly 400 is arranged on the rotating shaft 310 and positioned in the processing cavity, the crushing assembly 400 is driven by the rotating shaft 310 to crush materials in the processing cavity, at least one flywheel 320 is coaxially arranged on the rotating shaft 310 with the rotating shaft 310, the impact plate 200 comprises a plurality of bodies 210, each body 210 is respectively formed into a block shape, a plurality of body 210 holes are sequentially arranged on the inner wall surface of the upper shell 110 or the lower shell 120 at intervals, the adjustable impact plate 610 is movably arranged on the shell, and the distance of at least one part of the adjustable impact plate 610 relative to the crushing assembly 400 is adjustable to control the size of.

In other words, the impact crusher 700 mainly comprises a housing, a rotating shaft 310, a crushing assembly 400, at least one flywheel 320, an impact plate 200 and an adjustable impact plate 610, wherein a treatment cavity is defined in the housing, the rotating shaft 310 is arranged in the treatment cavity, two ends of the rotating shaft 310 are connected with the housing, the crushing assembly 400 is arranged on the rotating shaft 310, when the rotating shaft 310 rotates, the crushing assembly 400 rotates along with the rotation of the rotating shaft 310 so as to strike materials entering the treatment cavity, and the flywheel 320 is arranged at one end of the rotating shaft 310, so that the flywheel 320 can increase the rotational inertia of the rotating shaft 310, reduce energy consumption and improve working efficiency. The inner wall surface of the shell is provided with the impact plate 200, the impact plate 200 is composed of a plurality of bodies 210, the bodies 210 are blocky, and the bodies 210 are small in size and convenient to detach and maintain. The treatment cavity is also internally provided with an adjustable impact plate 610, the adjustable impact plate 610 is movably connected with the shell, and the distance between the adjustable impact plate 610 and the crushing assembly 400 is adjusted according to the specific size requirement of the material so as to change the size of the crushing area and facilitate operation.

Therefore, according to the utility model discloses impact crusher 700 through set up at least one flywheel 320 in one side of pivot 310, and impact plate 200 comprises a plurality of bodies 210, and the volume of process chamber is adjusted to adjustable impact plate 610, and this impact crusher 700 is simple structure not only, and bar 420 is fixed firm, and casing and impact plate 200 are easily dismantled and the maintenance, and the energy consumption is low moreover, and work efficiency is high.

According to the utility model discloses a specific embodiment, the casing mainly comprises lower casing 120 and last casing 110, wherein, it has the ejection of compact chamber to inject in the casing 120 down, the upper end of casing 120 opens and is linked together with ejection of compact chamber down, the lower extreme of casing 120 is equipped with discharge gate 124 and is linked together with ejection of compact chamber down, it has broken chamber to inject in the casing 110 to go up, the upper end of going up casing 110 is equipped with feed inlet 114 and is linked together with broken chamber, the lower extreme of going up casing 110 opens and is linked together with broken chamber, broken chamber is linked together in order to form the treatment chamber with ejection of compact chamber, go up casing 110 and casing 120 detachably link to each other so that the dismantlement and the maintenance of counterattack breaker down. In use, materials enter the crushing cavity through the feeding hole 114 for crushing processing, and the crushed materials enter the discharging cavity and are output from the discharging hole 124.

Optionally, at least a portion of the upper shell 110 and the lower shell 120 is provided with a mounting hole penetrating along the respective wall thickness direction, the impact plate 200 is connected to the upper shell 110 or the lower shell 120 by a bolt penetrating through the mounting hole, the bolt is connected, and the detachment is convenient.

Optionally, according to an embodiment of the present invention, the lower housing 120 includes a bearing portion 121, a stopping portion 122 and a discharging plate 123.

Specifically, the bearing part 121 is formed into a hollow column shape with open upper and lower ends, the lower end of the bearing part 121 abuts against the ground, the upper end of the bearing part 121 is formed into an open end of the lower housing 120, the abutting part 122 is arranged at the lower end of the bearing part 121 along the circumferential direction of the bearing part 121 and is perpendicular to the bearing part 121, the abutting part 122 can abut against the ground, the discharging plate 123 is arranged at the bottom of the bearing part 121 and closes the lower end of the bearing part 121, and the discharging plate 123 is provided with the discharging port 124.

That is to say, the lower housing 120 mainly comprises a bearing portion 121, a stopping portion 122 and a discharging plate 123, wherein the bearing portion 121 is formed in a column shape, a discharging cavity is defined in the bearing portion 121, the upper end of the bearing portion 121 is connected with the lower end of the upper housing 110, the stopping portion 122 is formed in an annular plate, the stopping portion 122 is arranged in the circumferential direction of the bearing portion 121 and is perpendicular to the bearing portion 121, the stopping portion 122 can be placed on a platform such as the ground to play a supporting role, the structure is stable, the discharging plate 123 is used for sealing the bottom of the bearing portion 121, a discharging port 124 is arranged on the discharging plate 123, the discharging port 124 is formed in a semi-closed type discharging port 124, materials are mutually extruded and rubbed when passing through the discharging port 124, the shaping effect is achieved, and ideal material particles are easily obtained.

Preferably, the upper case 110 includes a first plate 111, a second plate 112, and two third plates 113.

Specifically, first plate body 111 forms the plate body that extends along vertical direction, and second plate body 112 forms the arc plate body that sets up relatively with first plate body 111, and the upper end of second plate body 112 links to each other with the upper end of first plate body 111, and the lower extreme orientation of second plate body 112 is kept away from the orientation downward sloping of first plate body 111 and is extended, and casing 110 is injectd with the cooperation of first plate body 111 and second plate body 112 at the both ends of first plate body 111 and second plate body 112 respectively to two third plate body 113.

In other words, the upper casing 110 is mainly composed of a first plate 111, a second plate 112 and two third plates 113, wherein the first plate 111 is formed as a flat plate, the second plate 112 is formed as an arc plate, the arc plate structure not only can increase the volume of the crushing chamber, but also has high strength, the first plate 111 and the second plate 112 are oppositely arranged, a part of the upper end of the second plate 112 is connected with a part of the upper end of the first plate 111, the lower end of the first plate 111 and the lower end of the second plate 112 are arranged at intervals, the two third plates 113 are respectively arranged at two ends of the first plate 111 and the second plate 112 and are respectively connected with the first plate 111 and the second plate 112, the first plate 111, the second plate 112 and the two third plates 113 jointly define the upper casing 110, and the upper casing 110 is simple in structure and convenient to process.

Optionally, the feed opening 114 is formed by spacing at least a portion of the upper end of the first plate 111 and the upper end of the second plate 112, that is, the feed opening 114 is defined by the upper end of the first plate 111 and the upper end of the second plate 112, and the separate machining of the feed opening 114 is not needed, thereby saving the machining process.

According to the utility model discloses an embodiment, the feed inlet 114 forms the rectangular shape entry that extends along the length direction of first plate body 111, from this, is convenient for not only send into the material feed inlet 114, and the material can not spatter out moreover.

According to an embodiment of the present invention, both ends of the rotating shaft 310 respectively extend out of the housing, and at least one flywheel 320 is disposed at one end of the rotating shaft 310.

That is, the flywheel 320 is provided outside the upper and

lower cases

110 and 120, and the flywheel 320 can be mounted or dismounted at any time according to the specific situation.

Optionally, the impact crusher 700 further comprises at least one pulley 330, the at least one pulley 330 is disposed on the rotating shaft 310 coaxially with the rotating shaft 310, the pulley 330 is driven by the driving mechanism to rotate the rotating shaft 310, and the pulley 330 can transmit power.

According to some embodiments of the present invention, the pulley 330 and the flywheel 320 are respectively one, the pulley 330 and the flywheel 320 are respectively disposed at two ends of the rotating shaft 310, and the pulley 330 and the flywheel 320 are mutually engaged.

According to another embodiment of the present invention, there are two pulleys 330 and two flywheels 320, and one pulley 330 and one flywheel 320 are respectively disposed at two ends of the rotating shaft 310.

That is, the number of the pulley 330 and the flywheel 320 can be selected according to specific situations, and the pulley 330 is installed at one end of the rotating shaft 310 of the small or medium impact crusher 700, and the flywheel 320 is installed at the other end, so that the energy consumption of the crusher can be reduced by 30%. For the large-scale impact crusher 700, a structure with double pulleys 330 and double flywheels 320 can be adopted, the two ends of the rotating shaft 310 are respectively provided with one pulley 330 and one flywheel 320, so that the rotating inertia of the rotating shaft 310 is further increased, the energy consumption is reduced, and the pulley 330 and the flywheel 320 are of an integrally formed structure which is stable and convenient to process.

In an embodiment of the present invention, the rotating shaft 310 is disposed between the upper casing 110 and the lower casing 120, the positions of the upper casing 110 and the lower casing 120 opposite to each other are respectively provided with a groove, the rotating shaft 310 is disposed in the grooves, and the rotating shaft 310 can rotate in the grooves.

Preferably, the impact crusher with flywheel 300 further includes a bearing housing provided between the upper and

lower casings

110 and 120, and the rotation shaft 310 is provided on the bearing housing, which functions as a support bearing.

According to yet another embodiment of the present invention, the crushing assembly 400 comprises a rotor 410 and a plurality of plate hammers 420.

Specifically, the rotor 410 is sleeved on the rotating shaft 310 and is driven by the rotating shaft 310 to rotate around the axis of the rotating shaft 310, a plurality of mounting grooves are formed in the rotor 410 and are distributed at intervals along the circumferential direction of the rotor 410, a plurality of plate hammers 420 are respectively arranged in the corresponding mounting grooves at intervals along the circumferential direction of the rotor 410, the inner end of each plate hammer 420 is connected with the mounting groove, the outer end of each plate hammer 420 extends outwards along the radial direction of the rotor 410, and the thickness of the outer end of each plate hammer 420 is larger than that of the inner end in the circumferential direction of the rotor 410.

Further, crushing unit 400 mainly comprises rotor 410 and a plurality of board hammers 420, wherein, rotor 410 cover is established on pivot 310 and can revolve around pivot 310, be equipped with a plurality of mounting grooves on rotor 410, a plurality of board hammers 420 establish respectively in the mounting groove, every board hammer 420's one end links to each other with the mounting groove respectively, the other end is outstanding the mounting groove respectively in order to strike the material, the thickness of board hammer 420 other end is greater than the thickness of one end so that the application of force, board hammer 420's different structure has increased its wear-resisting time, the change cycle of board hammer 420 has been shortened.

Preferably, the thickness of the outer end of each plate hammer 420 may be 1.5-2.5 times the thickness of the corresponding inner end, the plate hammers 420 being both wear resistant and easy to install.

According to an embodiment of the present invention, the outer end surface of the cross section of each plate hammer 420 is formed in an arc shape, and the distances of both ends of the outer end surface in the circumferential direction of the rotor 410 with respect to the shaft center of the rotor 410 are not equal. That is, the outer ends of the hammers 420 may be formed in an arc shape, one end of the arc shape is higher than the other end, and the axial cross-section of the hammers 420 in the mounting groove is formed in a substantially clockwise fan shape, so that when the rotating shaft 310 rotates, the hammers 420 rotate in the same direction and strike the material.

In one embodiment of the present invention, the crushing assembly 400 further comprises a locking block 430 and a double wedge locking device 500.

Specifically, the locking block 430 is disposed between the first sidewall 422 and the inner end of the plate hammer 420 to fix the plate hammer 420, and the double wedge locking device 500 is disposed between the second sidewall 423 and the inner end of the plate hammer 420 to fix the plate hammer 420.

In other words, the mounting groove is substantially formed as a strip-shaped groove, three surfaces of the mounting groove are a bottom wall 421, a first side wall 422 and a second side wall 423, respectively, wherein the first side wall 422 and the second side wall 423 are oppositely disposed, the bottom wall 421 is disposed between the first side wall 422 and the second side wall 423, the crushing assembly 400 further includes a locking block 430 and a double wedge locking device 500, the locking block 430 is disposed between the first side wall 422 surface and the plate hammer 420 to fix one side of the plate hammer 420, the double wedge locking device 500 is disposed between the second side wall 423 surface and the plate hammer 420 to fix the other side of the plate hammer 420, and thus, the plate hammer 420 is securely mounted by the locking block 430 and the double wedge locking device 500 being disposed in the mounting grooves on both sides of the plate hammer 420 to fix the plate hammer 420, and the movement of the plate hammer 420 in the circumferential direction of the rotating shaft 310 is limited.

According to an embodiment of the present invention, the double wedge locking device 500 comprises two first locking blocks 510, a cushion block 520, a second locking block 530 and a fastener 540.

Specifically, two first locking blocks 510 are oppositely arranged on two sides of a rotor sheet 411 of the rotor 410 at intervals, opposite surfaces of the two first locking blocks 510 are respectively formed into first wedge-shaped surfaces, the two first wedge-shaped surfaces respectively abut against two sides of the rotor sheet 411, at least one part of a cushion block 520 is arranged between the two first locking blocks 510 and is connected with one ends of the two first locking blocks 510, at least one part of a second locking block 530 is arranged between the two first locking blocks 510 and is connected with the other ends of the two first locking blocks 510, one side of the second locking block 530 facing a plate hammer 420 is formed into a second wedge-shaped surface, the second wedge-shaped surface abuts against the plate hammer 420 to compress the plate hammer 420, and a fastener 540 is connected with the two first locking blocks 510 to clamp the rotor sheet 411.

In other words, the double-wedge locking device 500 fixes the board hammer 420 in the installation groove, and prevents the board hammer 420 from shaking in the installation groove, the double-wedge locking device 500 mainly comprises two first locking blocks 510, a cushion block 520, a second locking block 530 and a fastener 540, the two first locking blocks 510 are arranged at a relative interval, the cushion block 520 and the second locking block 530 are respectively arranged at two ends of the two first locking blocks 510, the fastener 540 is connected with the two first locking blocks 510 to clamp the cushion block 520 and the second fastener 540, one end of the cushion block 520 is inserted between the two first locking blocks 510, the other end is arranged or fixed in the installation groove, one end of the second locking block 530 is inserted between the two first locking blocks 510, and the other end is used for fixing the board hammer 420 and the rotor sheet 411.

Further, the two sides of the second locking block 530 are respectively formed into a first wedge-shaped surface and a second wedge-shaped surface, the first wedge-shaped surface is matched with one side of the plate hammer 420 in shape to prevent the plate hammer 420 from abutting against, the second wedge-shaped surface is matched with the side wall of the mounting groove in shape to prevent the side wall of the mounting groove from abutting against, and the second locking device can limit the plate hammer 420 to shake in the mounting groove, so that the plate hammer 420 is more stably mounted.

According to some embodiments of the present invention, two first locking blocks 510 are respectively provided with a mounting hole penetrating along the thickness direction thereof, and the fastener 540 passes through the two mounting holes to fix the first locking blocks 510. Specifically, the fastening member 540 may be a bolt and a nut, one end of the bolt passes through two mounting holes and is fastened by the nut, and this coupling structure is easy to mount and dismount.

Preferably, the cross section of the first locking block 510 is formed in a trapezoid shape, and the top surfaces of the two first locking blocks 510 are opposite to each other, that is, the length of the opposite surfaces of the two first locking blocks 510 is smaller than that of the opposite surfaces thereof and is in a transition with an inclination, so that both ends thereof clamp the second locking block 530 and the spacer 520.

According to the utility model discloses an embodiment, the both sides of cushion 520 are equipped with the first fitting surface corresponding with the inclined plane of the one end of two first locking pieces 510 respectively, and the inclined plane of the one end of first locking piece 510 is stopped to the first fitting surface.

According to another embodiment of the present invention, one end of the second locking block 530 is provided with a second engagement surface corresponding to the inclined surface of the other end of the two first locking blocks 510, and the second engagement surface abuts against the inclined surface of the other end of the first locking blocks 510. Specifically, the second mating surface is disposed obliquely, the second mating surface is matched with the structure at the other end of the first locking block 510, and the connection structure is stable.

Alternatively, the first wedge surface is formed as a slope extending from the other end of the second locking block 530 to one end thereof gradually and obliquely toward the direction of the board hammer 420, and the second wedge surface is formed as a slope opposite to the extending direction of the first wedge surface, and further, the thickness of the second locking block 530 in the direction of the board hammer 420 is greater than that of the first locking block 510.

That is, the second locking block 530 is obliquely disposed in the mounting groove, one end of the second locking block 530 is sandwiched between the two first locking blocks 510 toward the other end of the hammer plate 420, the thickness of the end of the second locking block 530, which is engaged with the two first locking blocks 510, is smaller than that of the other end, and the opposite surfaces of the second locking block 530 and the first locking blocks 510 are engaged with each other.

In an embodiment of the present invention, the first locking block 510, the spacer 520 and the second locking block 530 are respectively formed as an iron block, which has high strength and low cost.

According to some embodiments of the present invention, the lower housing 120 is provided with an avoiding portion for installing the adjustable impact plate 610, the adjustable impact plate 610 is movably disposed on the lower housing 120, at least a portion of the adjustable impact plate 610 is pivotally connected to the lower housing 120, and another portion of the adjustable impact plate 610 is rotatable around the connection between the adjustable impact plate 610 and the lower housing 120 to adjust the distance from the crushing assembly 400.

In one embodiment of the present invention, the adjustable impact plate 610 includes a plate body 620, a connecting shaft 630, and an adjusting mechanism 640.

Specifically, the plate body 620 is formed in a long strip shape extending along the axial direction of the rotating shaft 310, one side of the plate body 620 facing the crushing assembly 400 is provided with the impact plate 200, the connecting shafts 630 are arranged at two opposite ends of the plate body 620 and pivotally connected with the lower shell 120, one end of the adjusting mechanism 640 is connected with the other side of the plate body 620, the other end of the adjusting mechanism 640 is connected with the lower shell 120, and the adjusting mechanism 640 is movable to adjust the distance of the plate body 620 relative to the crushing assembly 400.

In other words, adjustable counterattack board 610 is established in the treatment chamber and is linked to each other with upper casing 110 or lower casing 120, and the distance between adjustable counterattack board 610 and the broken subassembly can be adjusted in order to control the volume of treatment chamber to change the size of the broken granule of material, it should be noted that, when using the rubble as the purpose, can not adopt this adjustable counterattack board 610, when using the system sand as the purpose, can increase this adjustable counterattack board 610, and improve the sand yield through adjusting this adjustable counterattack board 610, replace a plurality of counterattack boards in the conventional art with an adjustable counterattack board 610, not only can satisfy crushing effect, and simple structure, low in manufacturing cost.

Preferably, the adjustable impact plate 610 mainly comprises a plate body 620, a connecting shaft 630 and an adjusting mechanism 640, wherein the upper end of the plate body 620 is pivotally connected with the lower shell 120 through the connecting shaft 630, the impact plate 200 is arranged on one side of the plate body 620 facing the crushing assembly 400, the other side of the plate body 620 is connected with the lower shell 120 through the adjusting mechanism 640, and the distance between the plate body 620 and the crushing assembly 400 can be changed by adjusting the adjusting mechanism 640, so that crushing areas with different sizes are formed, and the adjustment is convenient.

According to the utility model discloses an embodiment, plate body 620 forms to the rectangular plate, and connecting axle 630 establishes in the last border department at plate body 620's both ends, and plate body 620 simple structure is convenient for process.

According to another embodiment of the present invention, there may be two adjusting mechanisms 640, and the two adjusting mechanisms 640 are spaced apart along the length direction of the rotating shaft 310.

Further, each adjusting mechanism 640 is formed as a telescopic rod, one end of the telescopic rod is pivotally connected to the other side of the plate body 620, the other end of the telescopic rod is connected to the lower housing 120, and the size of the crushing area can be adjusted by adjusting the length of the telescopic rod.

Preferably, each telescopic rod comprises a first rod body, a second rod body and a trapezoidal spiral pair.

Specifically, the one end of the first body of rod is injectd and is had the cavity along its axial extension, and the other end links to each other with the opposite side of plate body 620, and the one end of the second body of rod is established in the cavity along the axial telescopically of the first body of rod, and the other end of the second body of rod links to each other with lower casing 120, and the vice cover of trapezoidal spiral is established on the first body of rod and the second body of rod, and the one end of the vice of trapezoidal spiral links to each other with the first body of rod is fixed, and the other end links to each other movably with the second body of rod in.

That is to say, every telescopic link mainly comprises the first body of rod, the second body of rod and trapezoidal spiral pair, and the first body of rod links to each other with the second body of rod telescopically, and vice one end of trapezoidal spiral and first body of rod fixed connection, but the other end links to each other with the second body of rod pivot ground, can change the length that the first body of rod stretches out of the second body of rod through rotatory trapezoidal spiral pair to change the distance between adjustable counterattack board 610 and the broken subassembly 400, realize the change of broken regional size.

In an embodiment of the present invention, the inner wall surface of the cavity is defined with an internal thread, the outer wall surface of the second rod body is defined with an external thread matching with the internal thread, preferably, the second rod body is formed as a lead screw, the lead screw has a simple structure, the material can be easily obtained, and the distance between the adjustable impact plate 610 and the crushing assembly 400 can be adjusted by rotating the lead screw.

Optionally, the other side of plate body 620 is provided with a plurality of reinforcing ribs, and the reinforcing ribs can increase the strength of plate body 620.

Specifically, the reinforcing rib plates comprise transverse rib plates extending along the horizontal direction and longitudinal rib plates extending along the vertical direction, the transverse rib plates and the longitudinal rib plates are arranged in a staggered mode to form a rectangular frame body, and the mounting holes are formed in the rectangular frame body.

It should be noted that the first plate body 111, the second plate body 112, and the third plate body 113 may be formed by connecting a plurality of rectangular plates, and the rectangular plates are provided with transverse rib plates and longitudinal rib plates, and the transverse rib plates and the longitudinal rib plates support the shell 100 of the impact crusher from different directions, so that the shell 100 of the impact crusher is more stable in structure.

In one embodiment of the present invention, the positions of the transverse rib and the longitudinal rib on the upper shell 110 and the lower shell 120 correspond to each other, and the shell 100 of the impact crusher has an attractive appearance.

According to the difference of building stones yard production demand, the utility model discloses an impact crusher 700 is a series of products, and concrete model is as follows:

model number	Specification (mm)	Processing Capacity (t/h)	Power (kw)
				PF-1516	φ1500×1600	200～400	250
PF-1520	φ1500×2000	200～550	315
				PF-1816	φ1800×1600	400～600	400
PF-1820	φ1800×2000	500～700	500
				PF-2020	φ2000×2000	550～800	650
PF-2024	φ2000×2400	650～950	750

In summary, according to the utility model discloses an impact crusher 700, through set up at least one flywheel in one side of pivot 310, impact plate 200 comprises a plurality of bodies 210, and the volume of treatment chamber is adjusted to adjustable impact plate 610, and this impact crusher 700 is simple structure not only, convenient to detach and maintenance, and bar 420 is fixed firm, and the energy consumption is low moreover, and work efficiency is high.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. An impact crusher, comprising:

the device comprises a shell, a first clamping device and a second clamping device, wherein a treatment cavity is defined in the shell, and the shell is provided with a feeding hole and a discharging hole which are communicated with the treatment cavity;

the rotating shaft, at least one part of the rotating shaft is rotatablely arranged in the processing cavity around the axis of the rotating shaft;

the crushing assembly is arranged on the part, positioned in the treatment cavity, of the rotating shaft, and is driven by the rotating shaft to crush the materials in the treatment cavity;

at least one flywheel, at least one said flywheel and said spindle are set up on the said spindle coaxially;

the impact plate comprises a plurality of bodies, each body is formed into a block shape, and a plurality of body holes are arranged on the inner wall surface of the shell at intervals in sequence;

the adjustable impact plate is movably arranged on the shell, and at least one part of the adjustable impact plate is adjustable relative to the distance of the crushing assembly so as to control the size of crushed particles.

2. The impact crusher of claim 1, wherein the housing comprises:

the lower shell is internally limited with a discharging cavity with an open upper end and is provided with a discharging hole communicated with the discharging cavity;

go up the casing, it has the open broken chamber of lower extreme to inject in the upper casing, go up the casing be equipped with broken chamber intercommunication the feed inlet, it establishes to go up the casing down on the casing and with casing detachably links to each other down, the end of opening in broken chamber with the structure of the end of opening in unloading chamber is corresponding and go up the casing with communicate into when the casing links to each other down the treatment chamber.

3. The impact crusher according to claim 2, wherein at least a part of the upper shell and the lower shell is provided with mounting holes penetrating in the respective wall thickness directions, and the impact plate is connected to the upper shell or the lower shell by bolts passing through the mounting holes.

4. The impact crusher of claim 1, wherein both ends of the rotating shaft extend out of the housing, respectively, and at least one of the flywheels is provided on one end of the rotating shaft.

5. The impact crusher of claim 1, wherein the crushing assembly comprises:

the rotor is sleeved on the rotating shaft and driven by the rotating shaft to rotate around the axis of the rotating shaft, and a plurality of mounting grooves distributed at intervals along the circumferential direction of the rotor are formed in the rotor;

a plurality of plate hammers, it is a plurality of the plate hammer is followed respectively the circumference interval of rotor is seted up and is corresponded in the mounting groove, every the inner of plate hammer with the mounting groove links to each other, every the outer end of plate hammer is followed the radial outside extension of rotor in the circumference of rotor, every the thickness of the outer end of plate hammer is greater than the thickness in inner.

6. The impact crusher of claim 5, wherein the thickness of the outer end of each of the plate hammers is 1.5-2.5 times the thickness of the corresponding inner end.

7. The impact crusher of claim 5, wherein the crushing assembly further comprises:

the locking block is arranged in the mounting groove and matched with one side of the plate hammer to fix the plate hammer;

and the double-wedge-face locking device is arranged in the mounting groove and matched with the other side of the plate hammer to fix the plate hammer.

8. The impact crusher of claim 7, wherein the double wedge locking device comprises:

the two first locking blocks are arranged on two sides of a rotor sheet of the rotor in a spaced and opposite mode, opposite surfaces of the two first locking blocks are respectively formed into first wedge-shaped surfaces, and the two first wedge-shaped surfaces are respectively abutted against two sides of the rotor sheet;

at least one part of the cushion block is arranged between the two first locking blocks and is connected with one ends of the two first locking blocks;

at least one part of the second locking block is arranged between the two first locking blocks and is connected with the other ends of the two first locking blocks, a second wedge-shaped surface is formed on one side, facing the plate hammer, of the second locking block, and the second wedge-shaped surface abuts against the plate hammer to press the plate hammer;

fasteners connected to both of the first locking blocks to clamp the rotor sheet.

9. The impact crusher of claim 2, wherein the lower housing is provided with an escape portion for mounting the adjustable impact plate, the adjustable impact plate is movably disposed on the lower housing, at least a portion of the adjustable impact plate is pivotally connected to the lower housing, and another portion of the adjustable impact plate is rotatable about the connection of the adjustable impact plate and the lower housing to adjust the distance from the crushing assembly.

10. The impact crusher of claim 9, wherein the adjustable impact plate comprises:

the plate body is formed into a strip shape extending along the axial direction of the rotating shaft, and the impact plate is arranged on one side of the plate body facing the crushing assembly;

the connecting shafts are arranged at two opposite ends of the plate body and are pivotally connected with the lower shell;

one end of the adjusting mechanism is connected with the other side of the plate body, the other end of the adjusting mechanism is connected with the lower shell, and the adjusting mechanism can move to adjust the distance between the plate body and the crushing assembly.