Crusher

Abstract

In order to optimize the crushing process and reduce dust pollution, a crushing cross beam is installed below a crushing gear hub, the distance between the crushing cross beam and the gear hub is set to be not larger than 60 mm, materials are crushed to be about 100 mm between two tooth rollers, and the materials are extruded on the crushing cross beam in the falling process, so that the crushing process is optimized, and the dust pollution is reduced. The materials are further crushed to be about 50 mm, after feeding, a protection plate, a water mist spraying frame and a dust remover are closed, the internal dust amount is reduced, harm of dust generated in the crushing process to the human body is reduced, the crushed materials can fall into a screening device on the lower portion, then a vibrator enables the materials to vibrate on a screening plate, and then the materials are crushed to be about 50 mm; materials reaching the standard fall down through the screening groove, large particles are shaken off, the distance between the two crushing gear hubs can be adjusted by rotating a hand wheel, meanwhile, the crushing cross beam can ascend and descend through a hydraulic rod, and therefore the sizes of the crushed particles are adjusted, and after use, the water mist spraying frame is used for cleaning the interior of the machine.

Description

Technical Field

[0001] The utility model relates to the technical field of crusher equipment, in particular to a crusher. Background Art

[0002] The 210 type crusher in my workshop is responsible for crushing mine materials ≥300mm to ≤50mm. However, although we tried to meet production needs by adjusting the density of the tooth plate, most of the crushed particles still exceeded 100mm in size. At the same time, a large amount of dust was generated during the crushing process, which seriously affected the air quality and the comfort of the working environment. What is more serious is that the crushed materials are mixed together, making it difficult to distinguish different particle sizes, which brings great troubles to subsequent processes. In addition, due to the changing demand for different particle sizes, we have to frequently replace the crusher, which brings inconvenience to production. Utility Model Content

[0003] The utility model aims to provide a crusher to solve the problems that a large amount of dust is generated during the crushing process, the crushed materials are mixed together, it is difficult to distinguish different particle sizes, and the crusher needs to be frequently replaced when the demand for different particle sizes changes.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a crusher is installed on a supporting column and is driven by a driving motor. It includes a crushing tooth hub, a crushing beam, a protective plate, a dust reduction device and a screening device. The four corners of the bottom end of the crushing box are fixedly connected to the supporting column, and a rectangular stone falling trough is opened at the bottom of the crushing box. The screening device is fixedly connected to the rectangular stone falling trough. The middle parts of the left and right sides of the bottom of the crushing box are opened, and the bottom ends of the sliding slots are fixedly connected with a fixed block. The sliding slot is slidably connected with a crushing beam, and the left and right top ends of the crushing beam are fixedly connected with a hydraulic rod, and the bottom end of the hydraulic rod is fixedly connected to the fixed block. Two parallel crushing tooth hubs are arranged above the crushing beam, and the crushing tooth hubs are slidably connected to the slide grooves opened on the left and right sides of the crushing box. The left and right top ends of the crushing tooth hubs are fixedly connected with an adjusting device, and the top end of the crushing tooth hub is fixedly connected with a dust reduction device, and the front end of the crushing box is fixedly connected with a protective plate, and the top end of the protective plate is hinged with a feeding plate.

[0005] Preferably, the crushing cross beam is arranged in the middle of the two crushing tooth hubs, the crushing cross beam is a triangular cross beam, and the distance between the crushing cross beam and the crushing tooth hub is ≤60 mm.

[0006] Preferably, the adjusting device includes a shell, a handwheel, a screw and a connecting block. The left and right sides of the crushing gear hub are fixedly connected with connecting blocks, the connecting block is fixedly connected to the screw, the top of the screw is fixedly connected with a handwheel, and a shell is provided on the outside, which is fixedly connected to the crushing box.

[0007] Preferably, the screening device includes a screening plate, a vibrator and a shock-absorbing spring, wherein the shock-absorbing spring is fixedly connected to the rectangular rock drop trough, and the shock-absorbing spring on the front side is lower than the shock-absorbing spring on the rear side, and is used to tilt the screening plate. The top end of the shock-absorbing spring is fixedly connected to the screening plate, and a plurality of screening grooves are evenly distributed on the surface of the screening plate, which are used to allow the ore that meets the crushing standards to fall below, and the bottom end of the screening plate is fixedly connected to the vibrator.

[0008] Preferably, the dust reduction device includes a dust collector, a water mist spray rack and a water tank, the dust collector is fixedly connected to the left and right sides of the inner top of the crushing box, a fan is arranged inside the dust collector, dust collecting boxes are fixedly connected to the left and right sides of the outer top of the crushing box, the top of the crushing box is fixedly connected to the water tank, and a water mist spray rack is fixedly connected to the lower part of the water tank, which is fixedly connected to the inner top of the crushing box and is used for spraying water mist to reduce dust, and the crusher is cleaned after use.

[0009] Preferably, a space of 100 mm to 150 mm is preset between the protective plate and the screening device to allow ores that do not meet the crushing size to fall.

[0010] Preferably, the aperture size of the screening slot is 50 mm.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] In order to optimize the crushing process and reduce dust pollution, a crushing beam is installed under the crushing gear hub, and the distance between it and the gear hub is set to no more than 60 mm. The material is first crushed to about 100 mm between the two gear rollers, and then squeezed on the crushing beam during the falling process, further crushing the material to about 50 mm. After feeding, the protective plate is closed to prevent the particles in the crushing process from splashing to the outside. At the same time, the amount of dust inside is reduced by the water mist spray rack and dust collector to reduce the harm of dust generated during the crushing process to the human body. The crushed material will fall into the screening device below. The shock-absorbing spring is used to reduce the impact force when the material falls. Then, the vibrator makes the material vibrate on the screening plate. The material that meets the standard falls through the screening slot, while the larger particles are shaken off. In addition, when the size of the crushed particles needs to be adjusted, the distance between the two crushing gear hubs can be adjusted by rotating the hand wheel. This is achieved by driving the lead screw. At the same time, the crushing beam can be raised and lowered by the hydraulic rod to adjust the size of the crushed particles. After use, the water mist spray rack is used to clean the inside of the machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall front structure of the utility model.

[0014] Figure 2 It is a schematic diagram of the overall internal structure of the utility model.

[0015] Figure 3 This is a schematic diagram of the dust suppression device of the present utility model.

[0016] In the figure: 1. Crushing box; 2. Protective plate; 301. Crushing gear hub; 302. Crushing cross beam; 303. Hydraulic rod; 304. Dust suppression device; 305. Adjustment device; 306. Screening device; 4. Support column. DETAILED DESCRIPTION

[0017] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0018] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0019] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] Example 1: Please refer to Figure 1-3The utility model provides an embodiment: a crusher, including a crushing hub 301, a crushing beam 302, a protective plate 2, a dust suppression device 304 and a screening device 306. After the driving motor of the crushing hub 301 is started, the crushing hub starts to rotate to send the material into the crushing area. The four corners of the bottom end of the crushing box 1 are fixedly connected with support columns 4. The support columns 4 are fixedly connected to the four corners of the bottom end of the crushing box 1 to provide support and stability, and at the same time leave a space for the crushed ore to fall with the ground. A rectangular rock drop groove is opened at the bottom of the crushing box 1. The crushing box 1 is the main structure of the entire crusher, which is used to accommodate the crushing hub 301, the crushing beam 302 and other components, and provide ore crushing space. The rectangular rock drop groove is used to leave a space for the crushed ore to fall. The collecting space is provided, and a screening device 306 is fixedly connected to the rectangular rock drop trough. A vertical sliding slot is provided in the middle of the left and right sides of the bottom of the crushing box 1. A fixed block 5 is fixedly connected to the bottom end of the sliding slot. A crushing beam 302 is slidably connected to the sliding slot. The left and right top ends of the crushing beam 302 are fixedly connected to hydraulic rods 303. When the size of the crushed material needs to be adjusted, the hydraulic rod 303 is raised and lowered to adjust the distance between the crushing beam 302 and the crushing gear hub 301, thereby changing the extrusion and crushing size of the material. The bottom end of the hydraulic rod 303 is fixedly connected to the fixed block 5. Two parallel crushing gear hubs 301 are provided above the crushing beam 302. The crushing gear hubs 301 are slidably connected to the slides provided on the left and right sides of the crushing box 1. The left and right top ends of the crushing gear hub 301 are fixedly connected with adjustment devices 305, the top end of the crushing gear hub 301 is installed with a dust suppression device 304, the front end of the crushing box 1 is fixedly connected with a protective plate 2, the protective plate 2 can prevent particles from splashing to the outside during the crushing process to avoid harm to the human body, the top end of the protective plate 2 is hinged with a feed plate, the feed plate is closed after the material is put in, so that the protective plate 2 forms an overall protection during crushing, the crushing beam 302 is arranged in the middle of the two crushing gear hubs 301, the crushing beam 302 is a triangular beam, and the distance between the crushing beam 302 and the crushing gear hub 301 is ≤60mm, the material is first crushed to about 100mm between the two crushing gear rollers 301, and then in the crushing cross beam 302 during the falling process. The beam 302 is squeezed, and the material is further crushed to about 50 mm. The screening device 306 includes a screening plate, a vibrator and a shock-absorbing spring. The shock-absorbing spring is fixedly connected to the rectangular rock drop trough, and the front shock-absorbing spring is lower than the rear shock-absorbing spring, which is used to tilt the screening plate. The top of the shock-absorbing spring is fixedly connected to the screening plate. The surface of the screening plate is evenly distributed with a number of screening grooves, which are used to drop the ore that meets the crushing standards below. The bottom of the screening plate is fixedly connected to the vibrator. When in use, the material falls into the screening plate below after being crushed. The shock-absorbing spring reduces the impact of the material when it falls. At the same time, the screening plate is tilted, and the vibrator shakes to shake the material on the screening plate. Then the small particles of material after crushing fall into the space below through the screening groove for collection.The large particles that do not meet the crushing size fall into the front of the crusher after shaking, and the particles that meet the standards are separated from the waste. The dust reduction device 304 includes a dust collector, a water mist spray rack and a water tank. The dust collector is fixedly connected to the left and right sides of the inner top of the crushing box 1. A fan is arranged inside the dust collector. The left and right sides of the outer top of the crushing box 1 are fixedly connected to the dust collection box. During crushing, the dust collector rotates through the internal fan to suck the dust generated during crushing into the dust collection box. At the same time, the valve on the water tank is opened, and water is sprayed through the water mist spray rack. Sprinkle out, further reduce the dust when the material is crushed, which helps to improve the working environment, protect the health of workers, and reduce the pollution of dust to the surrounding environment. The top of the crushing box 1 is fixedly connected to a water tank, and the bottom of the water tank is fixedly connected to a water mist spray rack, which is fixedly connected to the top of the crushing box 1, used to spray water mist to reduce dust, and clean the crusher after use. There is a preset 100mm-150mm between the protective plate 2 and the screening device 306, which is used to make the ore that does not meet the crushing size fall down, and the aperture size of the screening slot is 50mm. During use, first put the material into the crushing box 1 through the feed plate, then close the feed plate, so that the protective plate 2 forms a front protection whole, then, the driving motor drives the crushing gear hub 301 to rotate, and the fan inside the dust collector also starts to rotate, sucking the dust generated during crushing into the dust collection box, at the same time, the valve on the water tank is opened, and water is sprayed out through the water mist spray rack, further reducing the dust when the material is crushed, thereby helping to improve the working environment, protect the health of workers, and reduce the pollution of dust to the surrounding environment, the material after preliminary crushing It falls onto the crushing beam 302 below, and is further crushed by the crushing gear hub 301 and the crushing beam 302. Then, the crushed material falls onto the screening plate below, and the shock-absorbing spring reduces the impact of the material falling. At the same time, the screening plate is tilted, and the vibrator starts to shake, shaking the material on the screening plate. Finally, the crushed small particles fall into the space below through the screening slot for collection, while the large particles that do not meet the crushing size fall into the front of the crusher after shaking, thereby separating the particles that meet the standards from the waste.

[0022] Example 2: Please refer to Figure 1-2 , based on Example 1, it also has the following structure:

[0023] The adjusting device 305 includes a shell, a hand wheel, a lead screw and a connecting block. The left and right sides of the crushing gear hub 301 are fixedly connected with connecting blocks, the connecting blocks are fixedly connected to the lead screw, the top of the lead screw is fixedly connected with a hand wheel, and a shell is provided on the outside, which is fixedly connected to the crushing box 1. When in use, the lead screw is driven to rotate by rotating the hand wheel, and the crushing gear hub 301 slides on the sliding groove to adjust the distance between the two crushing gear hubs 301. At the same time, the distance between the crushing beam 302 and the crushing gear hub 301 can be adjusted by lifting the hydraulic rod. The size of the material to be crushed for the second time can be adjusted through the cooperation of the two.

[0024] This embodiment proposes a specific method of use, and in actual use the crushing size can be adjusted according to demand.

[0025] The above is only an embodiment of the utility model, and the common sense such as the known specific structure and characteristics in the scheme is not described too much here. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims in the utility model. Any figure mark in the claims should not be regarded as limiting the claims involved.

Claims

1. A crusher driven by a driving motor, characterized in that: The invention comprises a crushing gear hub (301), a crushing beam (302), a protective plate (2), a dust suppression device (304) and a screening device (306); the four corners of the bottom end of the crushing box (1) are fixedly connected to support columns (4); a rectangular rock drop groove is provided at the bottom of the crushing box (1); a screening device (306) is fixedly connected to the rectangular rock drop groove; vertical sliding slots are provided at the middle of the left and right sides of the bottom of the crushing box (1); a fixed block (5) is fixedly connected to the bottom end of the sliding slot; a crushing beam (302) is slidably connected to the sliding slot; and the left and right top ends of the crushing beam (302) are fixedly connected to the sliding slot. A hydraulic rod (303) is fixedly connected, and the bottom end of the hydraulic rod (303) is fixedly connected to the fixed block (5). Two parallel crushing gear hubs (301) are arranged above the crushing cross beam (302). The crushing gear hubs (301) are slidably connected to slide grooves opened on the left and right sides of the crushing box (1). Adjustment devices (305) are fixedly connected to the left and right top ends of the crushing gear hubs (301). A dust suppression device (304) is installed on the top end of the crushing gear hubs (301). A protective plate (2) is fixedly connected to the front end of the crushing box (1), and a feed plate is hinged to the top end of the protective plate (2).

2. A crusher according to claim 1, characterized in that: The crushing cross beam (302) is arranged in the middle of the two crushing tooth hubs (301); the crushing cross beam (302) is a triangular cross beam, and the distance between the crushing cross beam (302) and the crushing tooth hubs (301) is ≤60 mm.

3. A crusher according to claim 1, characterized in that: The adjustment device (305) comprises a housing, a hand wheel, a lead screw and a connection block. The left and right sides of the crushing gear hub (301) are fixedly connected to the connection blocks, the connection blocks are fixedly connected to the lead screw, the top of the lead screw is fixedly connected to the hand wheel, and a housing is provided on the outside, which is fixedly connected to the crushing box (1).

4. A crusher according to claim 1, characterized in that: The screening device (306) comprises a screening plate, a vibrator and a shock-absorbing spring, wherein the shock-absorbing spring is fixedly connected to a rectangular rock drop groove, and the front shock-absorbing spring is lower than the rear shock-absorbing spring, and is used to tilt the screening plate. The top of the shock-absorbing spring is fixedly connected to the screening plate, and a plurality of screening grooves are evenly distributed on the surface of the screening plate, and are used to allow ore that meets the crushing standard to fall below. The bottom of the screening plate is fixedly connected to the vibrator.

5. A crusher according to claim 1, characterized in that: The dust reduction device (304) comprises a dust collector, a water mist spray rack and a water tank, wherein the dust collector is fixedly connected to the left and right sides of the inner top of the crushing box (1), a fan is arranged inside the dust collector, dust collection boxes are fixedly connected to the left and right sides of the outer top of the crushing box (1), the top of the crushing box (1) is fixedly connected to the water tank, and a water mist spray rack is fixedly connected below the water tank and fixedly connected to the inner top of the crushing box (1) for spraying water mist to reduce dust and for cleaning the crusher after use.

6. A crusher according to claim 1, characterized in that: A distance of 100 mm to 150 mm is preset between the protective plate (2) and the screening device (306) to allow ores that do not meet the crushing size to fall.

7. A crusher according to claim 4, characterized in that: The aperture size of the screening slot is 50 mm.

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