CN107225020A - A kind of mining machinery breaker - Google Patents

Abstract

The invention discloses a crushing device for mining machinery, comprising a crushing shell, an upper crushing plate, an upper crushing roller, an upper deflector, a gravel filter screen, a vibrating motor, a conveying transition plate, a lower crushing plate, and a lower crushing roller , the lower guide plate and the crushed stone conveying slant plate; the device of the present invention has a simple structure, and the ore can be crushed twice through the upper and lower crushing rollers, which can ensure that the ore that cannot be crushed at the first time can be crushed to reach the desired level. The required crushed stones are screened through the sieve after being crushed once, and the qualified crushed stones are directly discharged through the crushed stone outlet after screening, and the unqualified crushed stones after screening continue to be crushed through the lower crushing roller, which effectively improves the crushing efficiency. Efficiency, and save the cost of crushing; at the same time, the dust removal device can handle the dust generated in the crushing process, effectively protecting the environment.

Description

Crushing device for mining machinery

technical field

The invention belongs to the technical field of mining, and in particular relates to a crushing device for mining machinery.

Background technique

Mining crusher is also known as mining crusher. At present, commonly used mine crushers include jaw crusher, impact crusher, winnowing crusher, hammer crusher, impact crusher, roll crusher, compound crusher, cone crusher, etc. Many of the current crushers do not have dust removal equipment, which causes dust to fly during work, and the scattered dust is inhaled by the operator, causing huge damage to the body; The material with unsatisfactory crushing effect needs to be screened and re-crushed, resulting in a waste of more manpower and material resources, low crushing efficiency, and increased production costs; generally, the finer the crushed particle size, the more beneficial it is for subsequent work. The more it can reduce the cost of mine production, but the existing technology cannot meet this requirement. At the same time, a large amount of dust will be generated during crushing, and the dust has not been treated carefully, causing environmental pollution.

Contents of the invention

The object of the present invention is to overcome the problems existing in the above-mentioned prior art, and provide a simple and practical structure capable of secondary crushing of ores to meet the required requirements, and capable of processing the dust formed during the crushing process. Crusher for mining machinery.

The technical solution of the present invention is: a crushing device for mining machinery, comprising a crushing shell, an ore inlet funnel arranged at the top of the crushing shell, a crushed gravel outlet at the bottom of the crushing shell, the crushing shell An upper crushing plate is fixed on one side of the body, and the crushing surface of the upper crushing plate is located directly below the ore inlet funnel; the upper end of the crushing shell is provided with an upper crushing roller, and the roller surface of the upper crushing roller is in contact with the upper crushing roller. The crushing surface of the crushing plate has a crushing gap, and the crushing surface of the upper crushing plate is provided with an upper crushing protrusion; the inner wall of the crushing shell is fixed with an upper deflector, and the fixed device of the upper deflector is On the inner wall of the crushing shell opposite to the upper crushing plate, a crushed stone filter screen is arranged below the upper deflector, and the fixed end of the crushed stone filter screen is fixed to the upper deflector on the inner wall of the crushing shell. The ends are located on the same side; the bottom of the crushed stone filter screen is provided with a vibrating motor, and the end of the crushed stone filter screen is fixedly connected with a conveying transition plate with a slope, and the upper surface of the conveying transition plate and the crushed stone filter screen The upper surface of the upper surface is located on the same plane, the bottom of the inclined plate at the end of the conveying transition plate is provided with a lower crushing plate and a lower crushing roller, and the crushing gap formed by the lower crushing roller and the lower crushing plate is located at the end of the conveying transition plate directly below the upper inclined plate; the crushing surface of the lower crushing plate is provided with a lower crushing protrusion, and the width of the crushing gap formed by the lower crushing roller and the lower crushing plate is smaller than the crushing gap formed by the upper crushing roller and the upper crushing plate; A lower deflector is provided on the inner wall of the crushing shell close to the lower end face of the lower crushing plate. The lower deflector is located directly below the gravel filter screen, and the lower deflector and the gravel outlet pass Stone conveyor inclined plate connection.

It also includes a dust removal device arranged on one side of the crushing shell. The dust removal device includes a dust removal box, a gas outlet on the top of the dust removal box and a dust outlet on the bottom of the dust removal box. The dust removal box is from top to bottom. There are many pairs of slots on the lower inner wall, and the collision plates with through holes are inserted in the slots, and the through holes on the upper and lower collision plates located in the dust removal box are not on the same straight line; The dust removal port on the upper part of the housing is connected with the dust inlet at the bottom of the dust removal box through pipelines, and the dust inlet at the bottom of the dust removal box is located below the collision plate at the bottom of the dust removal box and at the bottom of the dust removal box. A slant plate is provided between the inner wall of the dust inlet and the dust outlet, and the dust outlet is provided with a dust door.

The upper crushing roller includes a roller body, roller teeth arranged on the roller body and a drive motor for driving the roller body, and the upper part of the crushing shell is provided with a left guide rail, a middle guide rail and a The right guide rail, the left slider is movable on the left guide rail, the middle slider is movable on the middle guide rail, the right slider is movable on the right guide rail, and the roller body is located on the middle guide rail and the right guide rail, the drive motor is located between the left guide rail and the middle guide rail, the rotating shafts on both sides of the roller body are respectively connected with the middle slider and the right slider through bearings, and the drive motor is fixed on the on the left slider, and the drive shaft of the drive motor is fixedly connected with the rotating shaft of the roller body extending out of the middle slider through a coupling, and the drive motor and the right slider are respectively connected to the top wall of the crushing shell through the left telescopic The electric cylinder is connected with the right telescopic electric cylinder, and the left telescopic electric cylinder and the right telescopic electric cylinder are synchronized.

The upper crushing plate includes an upper connecting sloping plate, a lower connecting sloping plate and a circular arc plate arranged between the upper connecting sloping plate and the lower connecting sloping plate, and the center of the circular arc plate and the center of the upper crushing roller Concentric, the upper connecting sloping plate and the upper connecting sloping plate are respectively tangent to the arc plate.

The round hole provided on the collision plate is a tapered hole with a large top and a small bottom.

Beneficial effects of the present invention: the device of the present invention can perform secondary crushing on the ore through its upper and lower crushing rollers, ensuring that the ore that cannot be crushed at one time can be crushed for the second time to reach the required gravel, and after the primary crushing, the The sieve is used for screening. After screening, the qualified gravel is directly discharged through the gravel outlet. After screening, the unqualified gravel continues to be crushed through the lower crushing roller. During the screening process, the vibrating motor vibrates the screen to make it automatically screened. , and the ore that does not meet the requirements is sent between the lower crushing plate and the lower crushing roller for crushing, which effectively improves the crushing efficiency and saves the cost of crushing; at the same time, the dust removal device can clean the dust generated during the crushing process. Dust is processed, effectively protecting the environment.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is a schematic diagram of the connection structure of the upper crushing roller in the present invention;

Fig. 3 is an enlarged schematic diagram of the structure of part A in Fig. 1 .

Explanation of reference signs: 1. crushing shell; 2. ore inlet funnel; 3. gravel outlet; 4. upper crushing roller; 5. upper crushing plate; 6. lower crushing roller; 7. lower crushing plate; 8. upper Crushing bump; 9. Lower crushing bump; 10. Upper deflector; 11. Lower deflector; 12. Gravel conveying inclined plate; 13. Gravel filter screen; 14. Vibrating motor; 15. Conveying transition plate ;16. Pipeline; 17. Dust box; 18. Gas outlet; 19. Dust outlet; 20. Dust door; 21. Slot; 22. Collision plate; 23. Through hole; ;402.Roll teeth;403.Left guide rail;404.Middle guide rail;405.Right guide rail;406.Left slider;407.Middle slider;408.Right slider;409.Drive motor;410.Left telescopic electric cylinder ; 411. right telescopic electric cylinder; 412. bearing.

detailed description

The specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, but it should be understood that the protection scope of the present invention is not limited by the specific embodiments.

A crushing device for mining machinery as shown in Figure 1, comprising a crushing shell 1, an ore inlet funnel 2 arranged at the top of the crushing shell 1, and a crushed gravel outlet 3 arranged at the bottom of the crushing shell 1, so An upper crushing plate 5 is fixed on one side of the crushing shell 1, and the crushing surface of the upper crushing plate 5 is located directly below the ore inlet funnel 2; the upper end of the crushing shell 1 is provided with an upper crushing roller 4 , the roller peripheral surface of the upper crushing roller 4 and the crushing surface of the upper crushing plate 5 have a crushing gap, and the crushing surface of the upper crushing plate 5 is provided with an upper crushing protrusion 8; An upper deflector 10 is fixedly arranged, and the upper deflector 10 is fixed on the inner wall of the crushing shell 1 opposite to the upper crushing plate 5, and a gravel filter screen is arranged below the upper deflector 10 13. The gravel filter screen 13 is located on the same side as the fixed end of the inner wall of the crushing shell 1 and the fixed end of the upper deflector 10; the bottom of the gravel filter 13 is provided with a vibrating motor 14, and the gravel The end of the filter screen 13 is fixedly connected with a transport transition plate 15 with an inclined surface. The upper surface of the transport transition plate 15 is located on the same plane as the upper surface of the crushed stone filter screen 13. The bottom of the plate is provided with a lower crushing plate 7 and a lower crushing roller 6, and the crushing gap formed by the lower crushing roller 6 and the lower crushing plate 7 is located directly below the inclined plate at the end of the conveying transition plate 15; the lower crushing plate 7 There is a lower crushing protrusion 9 on the crushing surface, and the width of the crushing gap formed by the lower crushing roller 6 and the lower crushing plate 7 is smaller than the crushing gap formed by the upper crushing roller 4 and the upper crushing plate 5; A lower deflector 11 is provided on the inner wall of the crushing shell 1 at the end face, and the lower deflector 11 is located directly below the gravel filter screen 13, and the lower deflector 11 and the gravel outlet 3 pass through the crushed stone outlet 3. Stone conveying ramp 12 is connected.

The ore inlet funnel 2 communicates with the inner cavity of the crushing shell 1, and the shape of the funnel can facilitate the insertion of ores that need to be crushed. The mutual cooperation between the upper crushing plate 5 and the upper crushing roller 4 is relatively The ore that enters the crushing shell 1 is crushed for the first time, and the upper crushing protrusion 8 is mainly used to strengthen the crushing force between the upper crushing roller 4 and the upper crushing plate 5, so that the crushing force can be further improved. Strengthening, the gravel filter screen 13 that is provided with filters and screens the gravel after the initial crushing. When filtering, the vibration motor 14 is used to make the gravel filter screen 13 vibrate up and down, effectively The screening rate is enhanced, and at the same time, during the vibration process, the ore larger than the screen aperture moves to the left during the vibration process, and reaches the conveying transition plate 15, and enters the lower crushing roller through the inclined plate of the conveying filter plate 15 6 and the lower crushing plate 7 for secondary crushing, and the crushed stones after the secondary crushing and the crushed stones after the primary crushing are discharged out of the crushing shell 1 through the crushed stone conveying plate 12, during the driving process , the upper crushing roller 4 and the lower crushing roller 6 are respectively driven by their respective drive motors (not shown in the figure), and there is no control over each other, the drive motors driving the upper crushing roller 4 and the lower crushing roller 6 The power required by the vibration motor and the vibration motor is provided by the municipal power system. The specific electrical connection relationship belongs to the common knowledge in this technical field, and it will not be described in detail here. There will be no mutual restriction between them. The shape of the upper crushing plate and the lower crushing plate is the same, specifically including the upper connecting inclined plate, the lower connecting inclined plate and the circle between the upper connecting inclined plate and the lower connecting inclined plate. arc plate, and the center of the arc plate is concentric with the center of the upper crushing roller (or the lower crushing roller), and the upper connecting sloping plate and the upper connecting sloping plate are respectively tangent to the arc plate. It can ensure that the gap between the crushing roller and the crushing plate changes the same during crushing.

Specifically, during the working process, the ore that needs to be crushed enters the crushing gap between the upper crushing roller 4 and the upper crushing plate 5 provided inside the crushing shell 1 through the ore inlet funnel 2 for primary crushing. The crushed stone enters the crushed stone filter screen 13 through the upper deflector 10, and the crushed stone filter screen 13 is driven by the vibration motor to vibrate up and down, and the crushed stone after the initial crushing is screened. The crushed stone filter screen 13 The mesh size is from small to small, and the diameter of the required crushed stones is small to small. The crushed stones that have not passed the screening move to the conveying transition plate 15 through vibration, and enter the lower crushing plate 7 and the lower crushing plate 7 through the conveying transition plate 15. Secondary crushing is carried out in the crushing gap between the lower crushing rollers 6, and the crushed stones after the secondary crushing and the crushed stones passing through the crushed stone filter screen 13 after the secondary crushing are sent out for crushing through the lower guide plate and the crushed stone conveying plate 12. Outside the casing 1, the crushed gravel fully meets the required standard through secondary crushing, effectively adjusting the crushing efficiency and requirements.

Further, as shown in Fig. 1 and Fig. 3, the device of the present invention also includes a dust removal device located on one side of the crushing shell 1, the dust removal device includes a dust removal box 17, a gas outlet 18 at the top of the dust removal box 17 and a dust removal The dust outlet 19 at the bottom of the box body 17, the inner wall of the dust removal box body 17 from top to bottom is provided with many pairs of slots 21, and the collision plate 22 with a through hole 23 is inserted in the slot 21, and is located in the dust removal box. The through holes 23 provided on the upper and lower collision plates 22 in the box body 17 are not on the same straight line; the dust removal port provided on the upper part of the crushing shell 1 and the dust inlet port provided at the bottom of the dust removal case body 17 pass through the pipeline 16 is connected, and the dust inlet provided at the bottom of the dust removal box 17 is located below the lowermost collision plate 22 in the dust removal box 17, and a slant plate is arranged between the inner wall of the dust inlet of the dust removal box 17 and the dust outlet 19 24. The dust outlet 19 is provided with a dust door 20 .

The gas outlet 18 is used to discharge the gas after the dust, and the dust outlet 19 is used to discharge the dust after dust removal. The slot 21 provided can increase or reduce the number of layers of the collision plate 22 according to the degree of dust removal. If the dust in the gas is too large, the number of layers of the collision plate can be increased appropriately, and if it is too small, the number of layers of the collision plate can be reduced. The through holes on each layer of the collision plate are not aligned, which can ensure that the gas with dust is rising , can collide with the collision plate on the upper layer without passing through the layer through hole, thereby reducing the power of the dust in the gas and achieving the effect of dust removal. In order to ensure that the dust can easily fall during the dust removal process, and reach the dust removal box Bottom, the through hole that is provided with as shown in Figure 3. The circular hole that is provided with on the colliding plate 22 as shown in Figure 3 is the conical hole that is up big and down small; Can guarantee that the dust that falls back can not block up through hole. Effectively protect the environment and avoid environmental pollution caused by broken dust.

Further, in order to ensure that the initial crushing gap is adjusted to meet the needs of ores of different sizes, and to avoid the problem that the gap is blocked due to too large ore, and the ore is too small to be crushed, as shown in Figure 2 The upper crushing roller 4 includes a roller body 401, roller teeth 402 arranged on the roller body 401 and a driving motor 409 for driving the roller body 401. The upper part of the crushing shell 1 is provided with a left vertical shaft vertical to the crushing shell 1. Guide rail 403, middle guide rail 404 and right guide rail 405, described left guide rail 403 is movable to be provided with left slide block 406, and described middle guide rail 404 is movable to be provided with middle slide block 407, and described right guide rail 405 is movable to be provided with There is a right slide block 408, the roller body 401 is located between the middle guide rail 404 and the right guide rail 405, the drive motor 409 is located between the left guide rail 403 and the middle guide rail 404, and the rotating shafts on both sides of the roller body 401 Respectively connect with middle slider 407 and right slider 408 through bearing 412, described driving motor 409 is fixedly arranged on the left slider 406, and the drive shaft of this driving motor 409 and the roller body 401 that stretches out middle slider 407 The rotating shaft is fixedly connected by a coupling, the drive motor 409 and the right slider 408 are respectively connected to the top wall of the crushing shell 1 through the left telescopic electric cylinder 410 and the right telescopic electric cylinder 411, and the left telescopic electric cylinder The cylinder 410 is synchronized with the right telescopic electric cylinder 411.

The upper and lower telescopic electric cylinders are used to pull the upper crushing roller to move up and down, thereby changing the gap between the upper crushing roller and the upper crushing plate, so that it can be used normally under any conditions. The roller teeth 402 can crush the ore, which enhances the crushing efficiency. The guide rail provided can facilitate the up and down movement of the slider and thus facilitate the change of the gap between the crushing plate and the crushing roller. The driving motor is provided for the crushing roller. The left and right telescopic electric cylinders can expand and contract synchronously, which ensures the level of the roller body. The control of all the telescopic electric cylinders is controlled by the control button of the electric cylinder, which belongs to the public technology of this technical field and will not be described in detail. The electrical connection relationship is connected with the municipal power system, which belongs to the common knowledge in this technical field and will not be described in detail. In order to ensure that the roller body can rotate and will not generate friction with the slider, bearings are used for the rotation of the roller body. Connect with the slider. It can guarantee the purpose of crushing ore of any size, and there will be no jamming of the roller body.

In summary, the device of the present invention can carry out secondary crushing of ore through its upper and lower crushing rollers, so as to ensure that the ore that cannot be crushed at one time can be crushed for the second time to achieve the required crushed stone, and after the primary crushing, it can pass through the sieve After screening, the qualified crushed stones are directly discharged through the gravel outlet, and the unqualified crushed stones continue to be crushed through the lower crushing roller after screening. During the screening process, the vibrating motor vibrates the screen to make it automatically screened. And the ore that does not meet the requirements is sent between the lower crushing plate and the lower crushing roller for crushing, which effectively improves the crushing efficiency and saves the crushing cost; at the same time, the dust removal device can remove the dust generated during the crushing process. The treatment effectively protects the environment.

The above disclosures are only a few specific embodiments of the present invention, however, the embodiments of the present invention are not limited thereto, and any changes conceivable by those skilled in the art shall fall within the protection scope of the present invention.

Claims (5)

1. A crushing device for mining machinery, characterized in that it comprises a crushing shell (1), an ore inlet funnel (2) arranged at the top of the crushing shell (1), a crushing funnel (2) arranged at the bottom of the crushing shell (1) After the gravel outlet (3), the upper crushing plate (5) is fixed on one side of the crushing shell (1), and the crushing surface of the upper crushing plate (5) is located at the ore inlet funnel (2) directly below; the upper end of the crushing shell (1) is provided with an upper crushing roller (4), and the roller peripheral surface of the upper crushing roller (4) and the crushing surface of the upper crushing plate (5) have a crushing gap, and the The crushing surface of the upper crushing plate (5) is provided with an upper crushing protrusion (8); the inner wall of the crushing shell (1) is fixedly provided with an upper deflector (10), and the upper deflector (10 ) is fixed on the inner wall of the crushing shell (1) opposite to the upper crushing plate (5), and a gravel filter screen (13) is arranged below the upper deflector (10), and the gravel filter The fixed end of the mesh screen (13) and the inner wall of the crushing shell (1) and the fixed end of the upper deflector (10) are located on the same side; the bottom of the crushed stone filter (13) is provided with a vibrating motor (14). The end portion of the crushed stone filter screen (13) is fixedly connected with a conveying transition plate (15) with a slope, and the upper surface of the conveyed transition plate (15) is located on the same plane as the upper surface of the crushed stone filter screen (13). Above, the lower crushing plate (7) and the lower crushing roller (6) are arranged below the inclined plate at the end of the conveying transition plate (15), and the lower crushing roller (6) and the lower crushing plate (7) form a The crushing gap is located directly below the inclined plate at the end of the conveying transition plate (15); the crushing surface of the lower crushing plate (7) is provided with a lower crushing protrusion (9), and the lower crushing roller (6) is in contact with the lower crushing roller (6). The width of the crushing gap formed by the crushing plate (7) is smaller than the crushing gap formed by the upper crushing roller (4) and the upper crushing plate (5); There is a lower deflector (11), the lower deflector (11) is positioned directly below the crushed stone filter screen (13), and the lower deflector (11) and the crushed stone outlet (3) pass through the broken stone Stone conveying inclined plate (12) is connected. 2. A kind of crushing device for mining machinery according to claim 1, characterized in that, it also includes a dust removal device located on one side of the crushing housing (1), the dust removal device includes a dust removal box (17), and The gas outlet (18) at the top of the dust removal box (17) and the dust outlet (19) at the bottom of the dust removal box (17), the inner wall of the dust removal box (17) from top to bottom is provided with multiple For the slot (21), the slot (21) is inserted with a collision plate (22) with a through hole (23), and the upper and lower collision plates (22) located in the dust removal box (17) are provided with The through holes (23) are not on the same straight line; the dust removal port provided on the upper part of the crushing shell (1) communicates with the dust inlet port provided at the bottom of the dust removal box (17) through the pipeline (16), and the dust removal box The dust inlet provided at the bottom of the body (17) is located below the lowermost collision plate (22) in the dust removal box (17), between the inner wall of the dust inlet of the dust removal box (17) and the dust outlet (19). A sloping plate (24) is provided, and the dust outlet (19) is provided with a dust door (20). 3. The crushing device for mining machinery according to claim 1, wherein the upper crushing roller (4) comprises a roller body (401), and the roller teeth (401) arranged on the roller body (401) 402) and a drive motor (409) for driving the roller body (401), the upper part of the crushing shell (1) is provided with a left guide rail (403) perpendicular to the crushing shell (1), a middle guide rail (404 ) and the right rail (405), the left slider (406) is movable on the left rail (403), the middle slider (407) is movable on the middle rail (404), and the right A right slider (408) is movable in the guide rail (405), the roller body (401) is located between the middle guide rail (404) and the right guide rail (405), and the drive motor (409) is located on the left guide rail ( 403) and the middle guide rail (404), the rotating shafts on both sides of the roller body (401) are respectively connected with the middle slider (407) and the right slider (408) through bearings (412), and the drive motor (409) is fixedly located on the left slide block (406), and the drive shaft of the drive motor (409) is fixedly connected with the rotating shaft of the roller body (401) of the middle slide block (407) stretched out through a shaft coupling. The drive motor (409) and the right slider (408) are respectively connected to the top wall of the crushing shell (1) through the left telescopic electric cylinder (410) and the right telescopic electric cylinder (411), and the left telescopic electric cylinder (410) is synchronized with the right telescopic electric cylinder (411). 4. A crushing device for mining machinery according to claim 1, characterized in that, the upper crushing plate (5) includes an upper connecting sloping plate, a lower connecting sloping plate, and an upper connecting sloping plate and a lower connecting sloping plate. The circular arc plates between the connecting inclined plates, and the center of the circular arc plates are concentric with the center of the upper crushing roller (4), and the upper connecting inclined plates and the upper connecting inclined plates are respectively tangent to the arc plates. 5 . The crushing device for mining machinery according to claim 2 , characterized in that, the round hole provided on the collision plate ( 22 ) is a tapered hole with a large top and a small bottom. 6 .