CN210994687U

CN210994687U - Limestone crushing device

Info

Publication number: CN210994687U
Application number: CN201921620134.8U
Authority: CN
Inventors: 许坤; 许会成; 董德英; 董利刚; 韩晓岩; 陈志勇; 许子申
Original assignee: Hebei Lixin New Material Technology Co ltd
Current assignee: Hebei Lixin New Material Technology Co ltd
Priority date: 2019-09-26
Filing date: 2019-09-26
Publication date: 2020-07-14
Anticipated expiration: 2029-09-26

Abstract

The utility model provides a lime stone breaker belongs to lime stone processing technology field, including box, the broken mechanism of one-level, the broken mechanism of second grade and collecting wagon, the upper end of box is equipped with down the hopper, and the broken mechanism of one-level is used for broken material through hopper whereabouts down, is equipped with the impeller that is used for mutual butt clamp extrusion material's cracker and is used for pushing away the cracker motion, and the broken mechanism of second grade is used for broken through the broken mechanism exhaust material of one-level, and the collecting wagon is used for collecting through the broken mechanism exhaust material of second grade. The utility model provides a lime stone breaker, behind one-level crushing mechanism and second grade crushing mechanism, the material is broken, and the granularity satisfies the production demand, need not additionally increase crushing process, and the broken time is short and fast.

Description

Limestone crushing device

Technical Field

The utility model belongs to the technical field of the limestone processing, more specifically say, relate to a limestone crushing device.

Background

Along with the development of the building industry, the demand of cement is increasing day by day, the main raw material for producing cement is limestone, in the production and processing of cement, need to carry out the breakage with bold limestone, the equipment that usually carries out the breakage to limestone is jaw crusher, the granularity of the limestone after the breaker breakage is great, when the new material that uses limestone as raw and other raw materials is being makeed in the preparation, the great limestone of granularity will not be used, still carry out the secondary crushing through other crushing equipment again, this has increased the processing operation process of limestone undoubtedly, and the time that the secondary crushing needs is longer, speed is slower, can delay the broken progress of limestone and reduce production efficiency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a limestone crushing device, it is great to aim at solving the granularity behind the limestone breakage, and the secondary crushing is long, the slow technical problem of speed.

In order to achieve the above object, the utility model adopts the following technical scheme: the limestone crushing device comprises a box body, a primary crushing mechanism, a secondary crushing mechanism and a collecting vehicle; the upper end of the box body is provided with a discharging hopper; the primary crushing mechanism is arranged in the box body, is used for crushing materials falling from the discharging hopper, and is provided with a crusher and a pusher, wherein the crusher is used for mutually oppositely clamping and extruding the materials; the secondary crushing mechanism is arranged below the primary crushing mechanism and is used for crushing the material discharged by the primary crushing mechanism; the collecting vehicle is arranged at the bottom of the box body and used for collecting materials discharged by the secondary crushing mechanism.

As another embodiment of this application, limestone crushing device still includes and locates tertiary broken mechanism of the below of second grade broken mechanism, tertiary broken mechanism is used for the broken warp secondary broken mechanism exhaust material.

As another embodiment of the present application, the limestone crushing device further comprises a flow divider disposed between the third crushing mechanism and the second crushing mechanism, and the flow divider is configured to receive the material discharged by the second crushing mechanism and distribute the material into the third crushing mechanism for crushing; the shunt and the inner wall of the box body are detachably connected.

As another embodiment of the present application, the crusher comprises a crushing plate, a crushing tooth, and an adjusting plate; the two crushing plates are oppositely arranged and are used for receiving the falling materials of the blanking hopper; a plurality of crushing teeth are uniformly arranged on the crushing plates, and the crushing teeth on the two crushing plates are oppositely arranged; the adjusting plate is fixedly arranged on the inner wall of the box body, a plurality of grooves are formed in the adjusting plate, and end angles of the crushing plates are inserted in the grooves; the two ends of the crushing plate are respectively provided with a rotator, one end of the crushing plate is hinged with the pusher, the rotator at the other end of the crushing plate is inserted in the groove and hinged, and the crushing plate can be hinged with the grooves at different positions on the adjusting plate and used for adjusting the crushing granularity of the crushing plate to materials.

As another embodiment of the present application, the pusher includes a hydraulic cylinder, an adjuster, and a bearing member; the pushing top end of the hydraulic cylinder is hinged with the crusher and is used for pushing the crusher to rotate and extruding crushed materials; the regulator is in threaded connection with the box body and is used for pushing and regulating the position of the hydraulic cylinder; the two ends of the bearing piece are respectively connected with the hydraulic cylinder and the regulator and used for pushing the hydraulic cylinder when the regulator rotates.

As another embodiment of the present application, the secondary crushing mechanism comprises a pair of rollers, a cutting blade, and a first driver; the pair rollers are arranged in groups, two ends of the pair rollers are lapped on the wall of the box body and used for extruding and crushing the material discharged by the primary crushing mechanism; the cutting pieces are uniformly arranged on the outer circumferential walls of the pair of rollers and are arranged in a staggered manner; the first driver is used for driving the pair rollers to rotate, so that the materials are extruded and crushed.

As another embodiment of the present application, the tertiary crushing mechanism comprises a roller, a cutting blade and a second driver; the two ends of the rollers are lapped on the wall of the box body and are used for extruding and crushing the materials discharged by the secondary crushing mechanism; the cutting pieces are uniformly arranged on the outer circumferential wall of the roller, and the cutting pieces on two adjacent rollers are arranged in a staggered manner; the second drivers are connected with the two groups of rollers in a one-to-one correspondence mode and used for driving the two groups of rollers to rotate oppositely, and extrusion crushing of materials is achieved.

As another embodiment of this application, the broken granularity of tertiary crushing mechanism to the material is less than the broken granularity of second grade crushing mechanism to the material, the broken granularity of second grade crushing mechanism to the material is less than the broken granularity of one-level crushing mechanism to the material.

As another embodiment of this application, limestone crushing device still include with the dust removal mechanism of box intercommunication, dust removal mechanism is used for the extraction and collects dust in the box, dust removal mechanism includes dust removal pipeline, dust exhausting fan and dust removal tank: one end of the dust removal pipeline is inserted into the box body; the dust removal fan is arranged on the dust removal pipeline and used for extracting dust in the box body; the dust removal tank is communicated with the other end of the dust removal pipeline and is used for collecting dust in the box body.

As another embodiment of the application, the limestone crushing device further comprises a sealing mechanism which is arranged in the blanking hopper and used for preventing dust in the box body from flying, wherein the sealing mechanism comprises a transverse plate, a spring and a sliding rod; the transverse plate is transversely arranged on the inner wall of the blanking hopper; one end of the spring is fixedly connected with the blanking hopper; one end of the sliding rod is fixedly connected with the other end of the spring, and the other end of the sliding rod is in sliding connection with the transverse plate; the spring is compressed, and the sliding rod slides on the transverse plate and leaves the transverse plate, so that the size of the opening of the blanking hopper is adjusted; after the spring extends, the pushing slide rod slides on the transverse plate and is used for closing the opening of the blanking hopper.

The utility model provides a lime stone breaker's beneficial effect lies in: compared with the prior art, the utility model discloses lime stone breaker, material (lime stone) enters into to the box in from hopper down, arrive one-level crushing mechanism back, mutual butt clamp and extrusion through the breaker, can be with the broken little cubic lime stone of bold form lime stone, the impeller can be adjusted the broken granularity of lime stone, second grade crushing mechanism can carry out breakage once more to one-level crushing mechanism exhaust material, the material after the breakage is collected with the help of the collection vehicle, it is great to have solved the granularity after the lime stone breakage, and the secondary crushing time is long, the slow technical problem of speed, it accomplishes the breakage to have the lime stone in this box, and broken lime stone granularity is less or adjustable, satisfy the production demand and need not additionally increase crushing process, the broken time is short and fast.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a limestone crushing device provided in an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a crusher of a limestone crushing device according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a pusher of a limestone crushing device according to an embodiment of the present invention;

fig. 4 is a top view of a secondary crushing mechanism of a limestone crushing device provided in an embodiment of the present invention;

fig. 5 is a top view of a three-stage crushing mechanism of a limestone crushing device provided by the embodiment of the present invention.

In the figure: 1. a box body; 11. feeding a hopper; 12. a baffle plate; 13. a discharge port; 2. a primary crushing mechanism; 21. a crusher; 211. a breaker plate; 212. crushing teeth; 213. an adjusting plate; 214. a groove; 22. a pusher; 221. a hydraulic cylinder; 222. a regulator; 223. a bearing member; 224. the circular ring is convex; 3. a secondary crushing mechanism; 31. a pair of rollers; 32. cutting the slices; 33. a first driver; 34. a driven gear; 35. a driving gear; 4. a collection vehicle; 5. a third-stage crushing mechanism; 51. a roller; 52. a second driver; 53. a chain; 6. a flow divider; 61. a support bar; 62. a card slot; 7. a dust removal mechanism; 71. a dust removal pipeline; 72. a dust removal fan; 73. a dust removal tank; 74. a cloth bag; 75. a dust collection bin; 76. a filter screen; 77. a standby fan; 8. a sealing mechanism; 81. a transverse plate; 82. a spring; 83. a slide bar.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 and 5, a limestone crushing device according to the present invention will be described. The limestone crushing device comprises a box body 1, a primary crushing mechanism 2, a secondary crushing mechanism 3 and a collecting vehicle 4; the upper end of the box body 1 is provided with a discharging hopper 11, and the discharging hopper 11 is a feeding hole of a material (limestone) to be crushed; the primary crushing mechanism 2 is arranged in the box body 1, is used for crushing materials falling from the discharging hopper 11, and is provided with a crusher 21 and a pusher 22, wherein the crusher 21 is used for mutually oppositely clamping and extruding the materials, and the pusher 22 is used for pushing the crusher 21 to move; the secondary crushing mechanism 3 is arranged below the primary crushing mechanism 2 and is used for crushing the material discharged by the primary crushing mechanism 2; the collection vehicle 4 is arranged at the bottom of the box body 1 and used for collecting materials discharged by the secondary crushing mechanism 3.

The utility model provides a limestone crushing device, compared with the prior art, material (limestone) gets into to the box 1 in from hopper 11 down, reach one-level crushing mechanism 2 after, mutual butt clamp and extrusion through cracker 21, can be with the broken little cubic limestone of bold form limestone, impeller 22 can be adjusted the broken granularity of limestone, second grade crushing mechanism 3 can carry out breakage once more to one-level crushing mechanism 2 exhaust material, the material after the breakage is collected with the help of collection vehicle 4, the granularity of having solved after the limestone breakage is great, and the secondary crushing is long, the slow technical problem of speed, it accomplishes the breakage to have the limestone in this box 1, and broken limestone granularity is less or adjustable, satisfy the production demand and need not additionally increase crushing process, the broken time is short and fast.

In a specific embodiment, the box body 1 is a hollow structure and has a hollow cavity, the lower hopper 11 is a wide-mouth structure, the cross sectional area of the upper port is larger than that of the lower port, the first-stage crushing mechanism 2 is positioned under the lower hopper 11, the second-stage crushing mechanism 3 is positioned under the first-stage crushing mechanism 2, the material, namely limestone, is crushed by the first-stage crushing mechanism 2 and then is crushed by the second-stage crushing mechanism 3, the crushed small-block limestone falls into the collection vehicle 4, and finally the collection vehicle 4 is pulled away by a worker to complete the crushing work of the limestone.

As a specific embodiment of the limestone crushing device provided by the present invention, please refer to fig. 1 to 5, the limestone crushing device further includes a third crushing mechanism 5 disposed below the second-stage crushing mechanism 3, and the third crushing mechanism 5 is used for crushing the material discharged from the second-stage crushing mechanism 3.

Specifically, one-level crushing mechanism 2 is to the broken back of material, the material after being broken relies on natural gravity, fall and continue to carry out the breakage on second grade crushing mechanism 3, to not carrying out the secondary crushing by the material of broken chunky on one-level crushing mechanism 2, the material after through the secondary crushing all is chunky form, set up tertiary crushing mechanism 5 through the below at second grade crushing mechanism 3, can satisfy the cubic breakage to the material, because the setting is less than the broken granularity of material of second grade crushing mechanism 3 with the broken granularity of material of tertiary crushing mechanism 5, then the material homoenergetic through tertiary crushing mechanism 5 can be by the less lime stone of broken granulation degree, so as to can satisfy the production demand.

As a specific embodiment of the limestone crushing device provided by the present invention, please refer to fig. 1 to 5, the limestone crushing device further includes a diverter 6 disposed between the third crushing mechanism 5 and the second crushing mechanism 3, the diverter 6 is used for receiving the material discharged from the second crushing mechanism 3 and distributing the material into the third crushing mechanism 5 for crushing; due to the arrangement of the third-stage crushing mechanism 5, in order to enable materials passing through the second-stage crushing mechanism 3 to completely fall onto the third-stage crushing mechanism 5, accumulation is not generated on the third-stage crushing mechanism 5, and the function can be achieved by arranging the flow divider 6.

Specifically, the shunt 6 is detachably connected with the inner wall of the box body 1, the shunt 6 is simple to install and detach from the box body 1, the operation is smooth, and the shunt 6 can be detached when not used.

In a specific embodiment, a plurality of support rods 61 are fixedly arranged on the side of the shunt 6, a clamping protrusion is arranged at the free end of each support rod 61, a clamping groove 62 is fixedly arranged on the inner side wall of the box body 1, the clamping groove 62 is in clamping fit with the clamping protrusion, the shunt 6 is clamped on the inner wall of the box body 1, and the detachable connection of the shunt 6 and the box body 1 is achieved.

In a specific embodiment, a plurality of slots 62 are sequentially formed on the inner side wall of the box 1 from top to bottom, so as to form a plurality of slots 62 with different heights, and the shunt 6 is placed on the slots 62 with different heights, so as to realize the function of adjusting the shunt 6 with different heights.

In a specific embodiment, the main function of the flow divider 6 is to perform the flow dividing function, so as to prevent the material from being stacked on the third-stage crushing mechanism 5 when the material falls down from the second-stage crushing mechanism 3, so as to break up the material, uniformly distribute the material to the third-stage crushing mechanism 5, and simultaneously improve the crushing efficiency and progress of the third-stage crushing mechanism 5. The hollow of shunt 6 is equipped with a plurality of cavities, and each cavity is link up from top to bottom, and the upper portion of each cavity is used for accepting the material that falls through second grade crushing mechanism 3, and the lower part of each cavity is used for towards the material crushing region on the tertiary crushing mechanism 5. The operation of the material passing through the second-stage crushing mechanism 3 through the flow divider 6 enables the material to be uniformly discharged onto the third-stage crushing mechanism 5, and the crushing efficiency of the material can be improved.

As a specific embodiment of the limestone crushing device of the present invention, please refer to fig. 1 to 5, the crusher 21 includes a crushing plate 211, a crushing tooth 212 and an adjusting plate 213; the knapper 21 is the subassembly that extrudees the breakage to the material, and the crushing plate 211 is the slope setting, and two crushing plates 211 have formed the broken chamber that is used for broken material, and the upper portion space in this broken chamber is greater than its lower part space, and the effect is fine accepts the material through the feed opening whereabouts.

Specifically, the two crushing plates 211 are arranged oppositely and used for receiving the falling materials of the lower hopper 11; the crushing plate 211 is arranged in an inclined shape, the inclined angle of the crushing plate can be adjusted, the inclined angle is different, the crushing granularity of the materials is different, and the effect of the crushed materials is different; a plurality of crushing teeth 212 are uniformly arranged on the crushing plates 211, and the crushing teeth 212 on the two crushing plates 211 are oppositely arranged; the crushing teeth 212 are arranged in rows, and after the crushing teeth 212 on the two crushing plates 211 are mutually clamped, extrusion force is formed on the material to crush the material. Wherein the crushing teeth 212 are all facing the inner side of the crushing plate 211; the adjusting plate 213 is fixedly arranged on the inner wall of the box body 1, a plurality of grooves 214 are arranged on the adjusting plate 213, and the end angles of the crushing plates 211 are inserted in the grooves 214; because the crushing board 211 can realize the extrusion effect to the material, again because the one end setting of crushing board 211 is on regulating plate 213, then the crushing board 211 can be with the help of regulating plate 213's effect, and the regulation is broken into different granularities to the material. The recess 214 sets up on regulating plate 213 and be a plurality of, and the crushing plate 211 is located the position of different recess 214, and the inclination of crushing plate 211 is different, and it is different to the broken granularity of material, through adjusting the different positions of crushing plate 211 on regulating plate 213, can realize adjusting the purpose of the broken granularity of material.

Specifically, both ends of the crushing plate 211 are provided with a rotator, one end of the crushing plate 211 is hinged to the pusher 22, the rotator at the other end is inserted into the groove 214 and hinged to the groove, and the crushing plate 211 can be hinged to the grooves 214 at different positions on the adjusting plate 213 for adjusting the crushing granularity of the material by the crushing plate 211. One end of the crushing plate 211 can be inserted into the groove 214, the rotation of the crushing plate 211 is not affected, and only the function of hinging with the adjusting plate 213 is realized. The selection of different crushing particle sizes of the material can be realized by adjusting the position of the crushing plate 211 on the adjusting plate 213.

In one embodiment, the breaker teeth 212 are made of diamond material and are very sharp and sharp. The rotators are hinges that allow the breakway plate 211 to be rotatably coupled to the pusher 22 and the adjustment plate 213, respectively. Wherein the groove width of the groove 214 is slightly larger than the width of the hinge, so that the hinge can be completely inserted into the groove 214 and hinged.

As a specific embodiment of the limestone crushing device provided in the present invention, please refer to fig. 1 to 5, the pusher 22 includes a hydraulic cylinder 221, a regulator 222 and a bearing member 223: the crushing plate 211 is rotated (with the groove 214 of the adjusting plate 213 as a fulcrum) by the power of the pusher 22, so that the crushed material can be crushed.

Specifically, the pushing top end of the hydraulic cylinder 221 is hinged with the crusher 21 and used for pushing the crusher 21 to rotate and extrude the crushed material; the hydraulic cylinder 221 can be extended and retracted, the inner end head is used for pushing the crushing plate 211 to move, and the crushing plate 211 can rotate in a reciprocating manner through the repeated extension or compression action of the hydraulic cylinder 221, so that the function of crushing materials is realized; the adjuster 222 is in threaded connection with the box body 1 and is used for adjusting the position of the ejection hydraulic cylinder 221; the adjuster 222 can rotate, the lengths of the rotated adjuster 222 extending into the box body 1 are different, the inner end of the adjuster 222 is used for pushing the hydraulic cylinder 221, when the length of the hydraulic cylinder 221 pushing the crushing plate 211 is insufficient, the adjuster 222 can adjust the length of the hydraulic cylinder 221 pushing the crushing plate 211, the pushing length of the crushing plate 211 can be further prolonged, and the purpose of crushing different particle sizes is achieved. The rotation of the adjuster 222 can extend or shorten the pushing length of the hydraulic cylinder 221; the both ends of bearing piece 223 are connected pneumatic cylinder 221 and regulator 222 respectively for push hydraulic cylinder 221 when regulator 222 is rotatory, bearing piece 223 can satisfy and transmit the pushing force of regulator 222 for pneumatic cylinder 221, and pneumatic cylinder 221 can not follow the slippage on bearing piece 223 simultaneously yet, thereby guarantees to implement stable thrust to crushing board 211.

In one embodiment, the adjuster 222 is an adjusting screw or an adjusting bolt, and has an external thread formed on the circumference of the outer wall thereof, a plurality of through holes formed in the wall of the case 1, and an internal thread formed on the inner wall of the through holes, and the internal thread is in a threaded connection with the external thread of the adjuster 222. The bearing member 223 is a radial axial bearing that can receive a force in the axial direction. The two ends of the bearing piece 223 are provided with circular ring bulges 224, the circular ring bulges 224 can respectively clamp the hydraulic cylinder 221 and the adjuster 222, the effect of connecting the hydraulic cylinder 221 and the adjuster 222 is achieved, the hydraulic cylinder 221 and the adjuster 222 are prevented from slipping, and the implementation of ejection force is guaranteed.

As a specific embodiment of the limestone crushing device provided by the present invention, please refer to fig. 1 to 5, the second stage crushing mechanism 3 includes a pair roller 31, a cutting blade 32 and a first driver 33: the outer ends of the pair rollers 31 are provided with two driven gears 34, the two driven gears 34 are arranged side by side, the power output end of the first driver 33 is provided with a driving gear 35, the driving gear 35 is meshed with one driven gear 34 and transmits power to the other driven gear 34, so that the power of the first driver 33 can be transmitted to the pair rollers 31, the pair rollers 31 rotate oppositely, and materials can be smashed under the action of the cutting pieces 32.

Specifically, the pair rollers 31 are arranged in groups, two ends of each pair roller are overlapped on the wall of the box body 1 and used for extruding and crushing the materials discharged by the primary crushing mechanism 2, the materials fall into the middle of the pair rollers 31, and the pair rollers 31 rotate to form mutual extrusion force to crush the materials; the cutting pieces 32 are uniformly arranged on the outer circumferential wall of the pair roller 31 and are arranged in a staggered manner; the cutting blade 32 on one roller of the pair of rollers 31 and the cutting blade 32 on the other roller are arranged in a staggered mode, namely the cutting blade 32 can completely contact materials and a gap is not formed in the middle of the pair of rollers 31; the first driver 33 is used for driving the pair of rollers 31 to rotate, so that the materials are crushed. One end of the driving gear 35 is rotatably connected with the box body 1, and the other end of the driving gear is connected with the power output end of the first driver 33 through a coupler.

In one particular embodiment, the first drive 33 is a reduction motor. The cutting blade 32 is a sharp blade-shaped cutter head, and the material is crushed by the extrusion acting force of the roller 31.

As a specific embodiment of the limestone crushing device provided by the present invention, please refer to fig. 1 to 5, the third-stage crushing mechanism 5 includes a roller 51, a cutting blade 32 and a second driver 52: the structure of the cutting blade 32 is the same as that of the cutting blade 32 of the secondary crushing mechanism 3, and the description is omitted; the rollers 51 are arranged in parallel and divided into two groups, and two ends of each roller 51 are lapped on the wall of the box body 1 and are used for extruding and crushing the materials discharged by the secondary crushing mechanism 3; the two sets of rollers 51 are arranged symmetrically about the centre line of the tank 1 and are driven by means of respective second drives 52, the two sets of rollers 51 rotating in opposite directions. The adjacent rollers 51 are in transmission connection through a conveying belt or a chain 53 to form extrusion force on the materials, and then the materials can be crushed.

Specifically, the plurality of cutting blades 32 are uniformly arranged on the outer circumferential wall of the roller 51, and the cutting blades 32 on two adjacent rollers 51 are arranged in a staggered manner. The arrangement of the cutting blades 32 is formed in the same manner as the arrangement of the cutting blades 32 of the secondary crushing mechanism 3.

Specifically, the second drivers 52 are two sets, and are connected with the two sets of rollers 51 in a one-to-one correspondence manner, and are used for driving the two sets of rollers 51 to rotate in opposite directions, so as to crush the material. The material that falls from second grade crushing mechanism 3 arrives and carries out the breakage on tertiary crushing mechanism 5, and a plurality of rollers 51 rotate simultaneously, form the extrusion force to the material, and then can be with the material breakage.

In one particular embodiment, the second drive 52 is a reduction motor. The rollers 51 are six in number and are arranged side by side.

As a specific embodiment of the present invention, please refer to fig. 1 to 5, the crushing granularity of the material by the third-stage crushing mechanism 5 is smaller than the crushing granularity of the material by the second-stage crushing mechanism 3, and the crushing granularity of the material by the second-stage crushing mechanism 3 is smaller than the crushing granularity of the material by the first-stage crushing mechanism 2. In order to realize the gradual crushing of the materials (limestone) or make the crushed particle size of the materials smaller and smaller, the crushing particle sizes of the first-stage crushing mechanism 2, the second-stage crushing mechanism 3 and the third-stage crushing mechanism 5 can be set to be in a mode of reducing in sequence. In addition, the crushing granularity of the primary crushing mechanism 2 can be adjusted at any time for the convenience of production.

As a specific implementation manner of the limestone crushing device provided by the present invention, please refer to fig. 1 to 5, the limestone crushing device further includes a dust removing mechanism 7 communicated with the box body 1, the dust removing mechanism 7 is used for extracting and collecting dust in the box body 1, the dust removing mechanism 7 includes a dust removing pipeline 71, a dust removing fan 72 and a dust removing tank 73; one end of the dust removal pipeline 71 is inserted into the box body 1, the other end of the dust removal pipeline 71 is communicated with the dust removal tank 73, and dust in the box body 1 can be extracted into the dust removal tank 73 through the dust removal fan 72, so that dust pollution is reduced; the dust removal fan 72 is arranged on the dust removal pipeline 71 and used for extracting dust in the box body 1; the dust removing tank 73 is communicated with the other end of the dust removing pipeline 71 and is used for collecting dust in the box body 1.

In a specific embodiment, a plurality of cloth bags 74 for filtering dust are arranged in the dust removing tank 73, a dust collecting bin 75 is arranged at the bottom of the dust removing tank 73, a filter screen 76 is arranged in the middle of the dust removing tank, the filter screen 76 can filter dust with large particle size, the cloth bags 74 can filter dust with small particle size, the filtered dust with large particle size is temporarily stored above the filter screen 76, and after a period of time, the dust is cleaned; the filtered dust with small particle size is temporarily stored in the cloth bag 74, and after a period of time, the dust passes through the cloth bag 74. The top of the dust removing tank 73 is provided with a standby fan 77, and the standby fan 77 can be replaced and used when the dust removing fan 72 fails.

Wherein the action principle of the cloth bag 74 dust removal in the dust removal tank 73 is the same as that of the cloth bag dust removal in the prior art.

As a specific implementation manner of the limestone crushing device, please refer to fig. 1 to 5, the limestone crushing device further comprises a sealing mechanism 8 disposed in the hopper 11 and used for preventing the dust in the box 1 from flying, the sealing mechanism 8 comprises a transverse plate 81, a spring 82 and a sliding rod 83: in the processing process of the limestone, the sealing mechanism 8 is in a closed shape, so that the phenomenon of flying dust is avoided, and dust pollution is avoided. When limestone is added to the casing 1, the inlet of the hopper 11 is opened by compressing the spring 83, and limestone is added, and when limestone is not required to be added, the spring 83 is extended to a free state and the inlet of the hopper 11 can be closed.

Specifically, the transverse plate 82 is transversely arranged on the inner wall of the lower hopper 11, one end of the transverse plate 82 is fixedly connected with the lower hopper 11, and the other end is a free end and is horizontally arranged; one end of the spring 82 is fixedly connected with the blanking hopper 11, and the other end of the spring 82 is connected with the sliding rod 83, so that the sliding rod 83 can be driven to move in the process of compressing or extending the spring 82, and the function of opening or closing the inlet of the blanking hopper 11 is realized; one end of the sliding rod 83 is fixedly connected with the other end of the spring 82, and the other end is in sliding connection with the transverse plate 81; when the spring 82 is compressed, the sliding rod 83 slides on the transverse plate 81 and leaves the transverse plate 81, so that the opening size of the blanking hopper 11 is adjusted; after the spring 82 is extended, the ejector slide 83 slides on the cross plate 81 to close the opening of the lower hopper 11.

As a specific implementation manner of the limestone crushing device provided by the present invention, please refer to fig. 1 to 5, a plurality of baffles 12 are further disposed on the inner side wall of the box body 1, the baffles 12 are disposed in an inclined manner, so as to guide the crushed material to the collecting cart 4. The collecting vehicle 4 is movable, four travelling wheels are arranged at the bottom of the collecting vehicle, when the broken limestone in the collecting vehicle 4 is fully stored, a worker can pull the collecting vehicle 4 to replace the new collecting vehicle 4, the collecting vehicle 4 is very favorable for storing and carrying materials, and the labor intensity of workers is reduced. In addition, a discharge port 13 is formed in the lower portion of the outer wall of the box body 1, the discharge port 13 is hinged to the box body 1, after the collection vehicle 4 is fully stored, the discharge port 13 can be opened, the collection vehicle 4 can be pulled out, and the discharge port facilitates pulling and replacing of the collection vehicle 4.

In one embodiment, the discharge port 13 is a plate-shaped structure, one end of which is hinged to the box 1, and the other end of which is in a cantilever state or a free state, and a sealing gasket is arranged on the other end of which and is used for sealing a gap between the box 1 and the sealing gasket to ensure that dust does not fly.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. Limestone crushing device, its characterized in that includes:

the upper end of the box body is provided with a discharging hopper;

the primary crushing mechanism is arranged in the box body, is used for crushing materials falling from the discharging hopper, and is provided with a crusher and a pusher, wherein the crusher is used for mutually oppositely clamping and extruding the materials;

the secondary crushing mechanism is arranged below the primary crushing mechanism and is used for crushing the material discharged by the primary crushing mechanism; and

and the collecting vehicle is arranged at the bottom of the box body and used for collecting materials discharged by the secondary crushing mechanism.

2. A limestone crushing apparatus as claimed in claim 1, further comprising a tertiary crushing means provided below the secondary crushing means for crushing the material discharged through the secondary crushing means.

3. A limestone crushing apparatus as claimed in claim 2, further comprising a flow diverter disposed between the tertiary crushing mechanism and the secondary crushing mechanism for receiving material discharged from the secondary crushing mechanism and distributing the material into the tertiary crushing mechanism for crushing;

the shunt and the inner wall of the box body are detachably connected.

4. A limestone breaking apparatus as claimed in claim 1, characterized in that said crusher comprises:

the two crushing plates are oppositely arranged and are used for receiving the falling materials of the blanking hopper;

a plurality of crushing teeth are uniformly arranged on the crushing plates, and the crushing teeth on the two crushing plates are oppositely arranged; and

the adjusting plate is fixedly arranged on the inner wall of the box body, a plurality of grooves are formed in the adjusting plate, and end angles of the crushing plates are inserted in the grooves; the two ends of the crushing plate are respectively provided with a rotator, one end of the crushing plate is hinged with the pusher, the rotator at the other end of the crushing plate is inserted in the groove and hinged, and the crushing plate can be hinged with the grooves at different positions on the adjusting plate and used for adjusting the crushing granularity of the crushing plate to materials.

5. A limestone breaking apparatus as claimed in claim 1, characterized in that said impeller comprises:

the pushing top end of the hydraulic cylinder is hinged with the crusher and is used for pushing the crusher to rotate and extruding crushed materials;

the regulator is in threaded connection with the box body and is used for pushing and regulating the position of the hydraulic cylinder; and

and two ends of the bearing piece are respectively connected with the hydraulic cylinder and the regulator and are used for pushing the hydraulic cylinder when the regulator rotates.

6. A limestone breaking apparatus as claimed in claim 1, characterized in that said secondary breaking mechanism comprises:

the pair rollers are arranged in groups, two ends of the pair rollers are lapped on the wall of the box body, and the pair rollers are used for extruding and crushing the material discharged by the primary crushing mechanism;

the cutting pieces are uniformly arranged on the outer circumferential walls of the pair of rollers and are arranged in a staggered manner; and

the first driver is used for driving the pair rollers to rotate so as to extrude and crush the materials.

7. A limestone breaking apparatus as claimed in claim 2, characterized in that said tertiary breaking mechanism comprises:

the two ends of the rollers are lapped on the wall of the box body and are used for extruding and crushing the materials discharged by the secondary crushing mechanism;

the cutting pieces are uniformly arranged on the outer circumferential wall of the roller, and the cutting pieces on two adjacent rollers are arranged in a staggered manner; and

and the two groups of second drivers are connected with the two groups of rollers in a one-to-one correspondence manner and are used for driving the two groups of rollers to rotate oppositely so as to extrude and crush the materials.

8. A limestone crushing apparatus as claimed in claim 2, wherein the crushing granularity of the material by the third crushing mechanism is smaller than that by the second crushing mechanism, and the crushing granularity of the material by the second crushing mechanism is smaller than that by the first crushing mechanism.

9. The limestone crushing apparatus of claim 1 further comprising a dust extraction mechanism in communication with the bin for extracting and collecting dust within the bin, the dust extraction mechanism comprising:

one end of the dust removal pipeline is inserted into the box body;

the dust removal fan is arranged on the dust removal pipeline and used for extracting dust in the box body; and

and the dust removal tank is communicated with the other end of the dust removal pipeline and is used for collecting dust in the box body.

10. The limestone crushing apparatus as claimed in claim 1, further comprising a sealing mechanism provided in the lower hopper for preventing dust in the casing from flying, the sealing mechanism comprising:

the transverse plate is transversely arranged on the inner wall of the blanking hopper;

one end of the spring is fixedly connected with the blanking hopper; and

one end of the sliding rod is fixedly connected with the other end of the spring, and the other end of the sliding rod is in sliding connection with the transverse plate; when the spring is compressed, the sliding rod slides on the transverse plate and leaves the transverse plate, and the size of the opening of the blanking hopper is adjusted.