CN109201274B - A kind of crushing equipment for construction - Google Patents

Abstract

The invention discloses crushing equipment for buildings, which comprises a frame; a roll milling chamber arranged on the frame; the roller comprises a first roller body and a second roller body, wherein the first roller body can rotate, and the second roller body can rotate and move left and right; the crushing device is arranged in the roller grinding chamber and is used for crushing the caked materials; the screening device is used for screening the scattered materials; and the discharging device is used for conveying the materials meeting the specification outwards and reserving the materials which do not meet the discharging specification in the roller grinding chamber. According to the invention, through the matching of the crushing device and the screening device, the materials which are caked or not completely loosened are scattered for the second time, and materials which do not meet the discharging specification can be screened out and then are crushed for the second time; discharging device not only can break up the material once more when the ejection of compact, can also carry out the screening once more to the material for the material that is not conform to the specification is retrieved the breakage.

Description

A kind of crushing equipment for construction

technical field

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

Background technique

High pressure roller mills are commonly used in concrete manufacturing to crush or pulverize ore in concrete raw materials. It uses static pressure to crush the materials, but the materials are very easy to form cakes. Usually, it is necessary to use additional equipment to break up the caked materials. After the materials are discharged from the high-pressure roller mill, a separate operation is performed. Not only is it time-consuming, but the work efficiency is low, and the equipment input cost is large, the site occupies a large area, and the workload of the workers is huge.

SUMMARY OF THE INVENTION

In order to overcome the deficiencies of the prior art, the present invention provides a crushing device for construction with high work efficiency and small workload of workers.

In order to achieve the above purpose, the present invention adopts the following technical solutions: a kind of crushing equipment for construction, comprising:

frame;

Roller mill room on the frame;

The first roller body and the second roller body, the first roller body can rotate, and the second roller body can rotate and move left and right;

The crushing device installed in the roller mill is used to break up the caked material;

The screening device is used to screen the scattered materials;

The discharge device is used to transport the materials that meet the specifications to the outside, and leave the materials that do not meet the discharge specifications in the roller mill chamber.

In the present invention, a crushing device is arranged in the roller mill, so that the material after being extruded into a cake can be directly scattered to loosen the material, and then the scattered material can be screened by a screening device. First, the materials that are not completely loosened can be broken up for the second time, and secondly, the materials can be screened, and the materials that do not meet the discharge specifications can be screened out, and the secondary crushing process can be carried out later; the discharge device is discharging the material. At the same time, the screened materials can be further scattered to completely avoid the occurrence of material agglomeration; secondly, the discharging device can further screen the output materials again, and keep the materials that do not meet the specifications. In the roller mill chamber, recycling and crushing are carried out.

Further, it also includes a recovery device, which is used to re-transport the materials with excessively large particles in the roller mill to the first and second roller bodies for crushing operations; directly realize the recovery and recovery of materials that do not meet the specifications in the same equipment. Crushing, not only saves long-distance material transportation, but also greatly improves work efficiency; secondly, the recovery device is directly set in the roller mill chamber, which greatly reduces equipment investment, reduces equipment investment costs, and reduces The device takes up less space.

Further, the crushing device comprises a dispersing seat arranged under the first and second roller bodies, a dispersing protruding tooth arranged on the dispersing seat, and a material leakage through groove formed on the dispersing seat; When the material falls on the dispersing protruding teeth on the dispersing seat under the action of gravity, the upper area of the protruding teeth is small, so the force acting on the cake is more concentrated, and there is no need to set up a power source to drive the dispersing seat. The structure of up and down action can also directly break up the material cake, which is more energy-saving, and the structure of the equipment is simpler, not easy to be damaged, and low in investment cost.

Further, the screening device includes a screen that can move up and down below the dispersing base and a driving component for driving the screen to move up and down; the screen is driven to move up and down by the driving component, so that the screen is The net can directly impact the material to be screened, so that the material that is not completely dispersed on the dispersing seat can be further dispersed, and further reduce the agglomeration or cake formation of the material.

Further, the driving component includes at least two sliding blocks arranged on the side of the screen, a sliding rail arranged on the side wall of the roller mill chamber and matched with the sliding block, and a sliding rail arranged in the sliding rail and the sliding block. The matching elastic parts and the flipping parts used to drive one end of the screen to move up and down; through the arrangement of the elastic parts, the screen can directly rely on the gravity of the material to drive the screen to shake up and down when the material hits the screen. , so that there is no need to set a power source to drive the screen to move up and down, the structure is simpler and more energy-saving; the flipping part can drive the screen to move to an inclined state, so that after the crushing is completed, the unqualified materials remaining on the screen can pass directly through The lower side of the screen is dumped to the bottom of the roller mill, so that these unqualified materials can be recycled and crushed.

Further, the turning part includes a screw rod arranged in the roller mill chamber, a movable member arranged on the screw rod that can move up and down along the screw rod when the screw rod rotates, and a driving member for driving the screw rod to rotate; The rotation of the screw drives one end of the screen to move up and down, thereby realizing the inclination of the screen. The structure is simple and the degree of stability is high. In normal use, the screen will not be inclined and the material will be discharged.

Further, the discharging device includes a discharging pipe arranged at the lower part of the roller mill chamber, an elastic dispersing part and a screening part arranged at the inlet of the discharging pipe, which are used to control the rapid direction of the material in the roller mill chamber. Negative pressure discharge structure for external conveying; the setting of elastic dispersing parts enables the material to be disintegrated again during the process of discharging through the discharge pipe, so as to ensure that there is no material in the output material In the case of agglomeration, it is ensured that the output materials meet the specifications, and the quality of the discharged materials is enhanced; secondly, the negative pressure discharge components can greatly increase the speed of the materials when they are conveyed outward, and further improve the work efficiency.

Further, the elastic dispersing component includes a flexible connecting piece for connecting the screening piece and the discharge pipe, a limiting column arranged on the screening piece, a connection on the discharge pipe and the discharge pipe. The column groove matched with the limit column and the spring member arranged in the column groove to cooperate with the limit column; the flexible connecting piece can not only seal the matching part of the screening part and the discharge pipe, but also ensure the screening The filter element can move back and forth relative to the discharge pipe, which can effectively prevent the material from entering the discharge pipe from the connection between the screening element and the discharge pipe, and improve the qualification rate of the discharged material; Make the material pass through the screening part more quickly, so as to avoid the influence of the existence of the screening part on the discharge speed of the material, and further improve the work efficiency.

Further, the negative pressure discharging structure includes an inclined air jet port provided on the inner wall of the discharging pipe, a gas conveying hood that is arranged outside the discharging piping, and an air conveying member for supplying air to the air conveying hood. ; When the gas is ejected from the jet port into the discharge pipe, a negative pressure will be formed in the discharge pipe, so that the material can be discharged more quickly, the structure is simple, the cost is low, and the negative pressure formed has a good effect.

Further, the recovery device includes a recovery cylinder arranged in the roller mill, a spiral recovery channel arranged on the inner wall of the recovery cylinder, a rotatable chassis located at the bottom of the recovery cylinder, and a base for driving the recovery cylinder. The bottom part of the recovery channel is at least partially in contact with the chassis, and the upper part of the recovery channel is connected to the material return channel; the lower part of the recovery cylinder is provided with a feed port that communicates with the roller mill The opening slot through which the material pipeline passes; after being screened by the screening element, it is directly transported from the bottom of the recovery drum to the first and second roller bodies through the spiral recovery track, and the static pressure between the first and second roller bodies is used to correct the The recovered materials are re-crushed and processed without the need for additional transportation or handling by workers. The operation is simple and the work efficiency is high; and the materials are transported upward from the spiral recovery channel through the bottom rotating turntable. There is no need to rotate, the power setting is easier, and the energy consumption is low; and after the recovery cylinder remains stationary, it can be ensured that the setting of the discharge pipe will not affect the normal operation of the equipment.

To sum up, the present invention has the following advantages: through the cooperation of the crushing device and the screening device, the secondary breaking of caked or incompletely loosened materials can be realized, and secondly, materials that do not meet the discharge specifications can be removed After screening, the secondary crushing process is carried out later; when the discharging device is discharging, it can not only disperse the materials again, but also screen the materials again, so that the materials that do not meet the specifications can be recycled and crushed.

Description of drawings

FIG. 1 is a schematic structural diagram of the present invention.

Figure 2 is a top view of the present invention.

3 is a perspective half-section view of the present invention.

FIG. 4 is an enlarged view of A in FIG. 3 .

FIG. 5 is an enlarged view of B in FIG. 3 .

FIG. 6 is a schematic structural diagram of a break-up seat in the present invention.

FIG. 7 is a schematic structural diagram of a recovery device in the present invention.

FIG. 8 is a perspective half-section view of the recovery device in the present invention.

FIG. 9 is an enlarged view of C in FIG. 8 .

FIG. 10 is an enlarged view of D in FIG. 8 .

Detailed ways

In order to enable those skilled in the art to better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in Fig. 1-10, a crushing equipment for construction includes a frame 1, a roller mill chamber 2 arranged on the frame, a rotatable first roller body 31, a second rotatable and left-right movement Two roller bodies 32, a crushing device, a screening device, a discharging device and a recycling device located in the roller mill chamber 2; the second roller body 32 is connected with a hydraulic rod, and the first roller body is driven by the hydraulic rod The left and right displacement occurs, so that the first and second roller bodies cooperate to achieve static pressure crushing of the material; the crushing device is used to break up the caked material; the screening device is used to break up the broken material. The materials are screened; the discharge device is used to transport the materials that meet the specifications to the outside, and the materials that do not meet the discharge specifications are left in the roller mill chamber 2; the recovery device is used to The materials with excessively large particles are re-transported to the first and second roller bodies for crushing operation; through the cooperation of the crushing device and the screening device, the caked or incompletely loosened materials can be broken up for a second time. It can screen out the materials that do not meet the discharge specifications, and perform secondary crushing processing in the later stage; when the discharge device is discharging, it can not only break up the materials again, but also screen the materials again, so that the materials that do not meet the specifications can be screened again. Broken up for recycling.

Specifically, the crushing device includes a dispersing seat 41 arranged under the first and second roller bodies, a dispersing protruding tooth 42 arranged on the dispersing seat, and a material leakage channel formed on the dispersing seat. Slot 43; the dispersing seat 41 is formed by welding a plurality of staggered metal rods, the The break-up seat is welded and fixed. Since the metal rods are arranged in a staggered manner, there will be gaps between the metal rods, thereby forming the leakage channel 43; The screen 44 under the dispersing seat 41 and the driving components used to drive the screen 44 to move up and down; when the material falls on the dispersing protruding teeth on the dispersing seat under the action of gravity, the upper area of the protruding teeth is relatively small. Therefore, the force acting on the material cake is relatively concentrated, and the material cake can be directly broken up without setting up a power source to drive the up and down movement of the breaker seat, which is more energy-saving, and the structure of the equipment is simpler and not easy to be damaged. , and the investment cost is low.

Specifically, the driving component includes two sliding blocks 51, a sliding rail 52, an elastic component 53 and a flipping component. The two sliding blocks 51 are arranged on the side walls of the screen, and the two sliding blocks 51 are symmetrically arranged. There are also two sliding rails 52, which are symmetrically arranged on the left and right side walls of the roller mill chamber. The sliding block can be placed in the sliding rail and can move up and down relative to the sliding rail, thereby driving the screen mesh in the roller mill. Move up and down indoors; the elastic member 53 is arranged in the slide rail, and the elastic member 53 is matched with the slider; the elastic member includes two springs, which are respectively arranged on the left and right ends of the screen, and the one located at the left end One end of the spring is connected to the screen mesh, and the other end is connected to the slide rail; through the arrangement of elastic components, the screen mesh can directly rely on the gravity of the material to drive the screen mesh to shake up and down when the material hits the screen mesh, so there is no need to set a power source to drive the mesh. The screen moves up and down, the structure is simpler and more energy-saving; the flipping part is used to drive one end of the screen 44 to move up and down. The movable member 55 on the rod, which can move up and down along the screw rod when the screw rod rotates, and the driving member 56 for driving the screw rod to rotate, the driving member is a commercially available motor, and the screw rod is fixed to the output shaft of the motor. The movable member is provided with screw holes, so that when the screw rotates, it can drive the movable member to move up and down along the screw; the upper end of the spring located on the right side of the screen is connected to the screen, and the lower end is connected to the movable member ; When the movable part moves down along the screw, the right end of the screen can move down, so that the screen moves to an inclined state, so that after the crushing, the unqualified materials remaining on the screen can directly pass through the screen. The low side is dumped to the bottom of the roller mill, so that these unqualified materials can be recycled and crushed.

The discharging device includes a discharging pipe 61, an elastic dispersing part, a screening element 62, and a negative pressure discharging structure for controlling the rapid outward conveyance of the material in the roller mill; the discharging pipe 61 is provided in the The lower part of the roller mill chamber, and the end part penetrates into the roller mill; the elastic dispersing part is provided on the end part of the discharge pipe which penetrates into the roller mill chamber, and the screening part 62 is also provided At this end; the setting of the elastic dispersing part enables the material to be disintegrated again during the process of discharging through the discharge pipe, so as to ensure that there will be no material agglomeration in the output material. To ensure that the output materials meet the specifications and enhance the quality of the discharged materials; secondly, the negative pressure discharge components can greatly increase the speed of the materials when they are conveyed outward, and further improve the work efficiency.

The screening member 62 is a screen mesh made of stainless steel. The elastic dispersing member includes a flexible connecting member 63, a limiting column 64, a column groove 65 and a spring member 66. The flexible connecting member 63 is made of rubber. One end is fixedly connected with the screening piece, and the other end is fixedly connected with the discharge pipe; this structure can not only seal the joint between the screening piece and the discharge pipe, but also ensure that the screening piece can be relative to each other. The discharge pipe moves back and forth, so that the material can be effectively prevented from entering into the discharge pipe from the connection between the screening part and the discharge pipe, and the qualified rate of the discharged material can be improved; the limit posts 64 can be set to two or more More than two, the limiting column can be integrally formed with the screening member, or it can be a metal column, which is directly fixed on the screening member by welding; the column groove 65 is arranged on the discharge pipe, the The shape and size of the column slot 65 is matched with the limiting column, and the limiting column can be inserted into the column slot; the spring member 66 is arranged in the column slot, and the spring member 66 is commercially available. One end of the spring is fixedly connected to the inner wall of the column groove, and the other end is in conflict with the limiting column 64 .

The negative pressure discharge structure includes an inclined air jet port 67 arranged on the inner wall of the discharge pipe, an air delivery cover 68 arranged outside the material discharge pipe, and an air delivery member for supplying air to the gas delivery cover; The gas transmission cover 68 is a metal shell, which is fixedly connected to the outside of the discharge pipe by welding, and there is a gap for air to pass between the inner wall of the gas transmission cover 68 and the outer wall of the discharge pipe; the gas transmission parts are commercially available. The air pump purchased directly, the air pump is connected with the air delivery hood through the air delivery hose, so that the air delivery hood can be supplied with air. Negative pressure is formed in the material pipeline, so that the material can be discharged more quickly, the structure is simple, the cost is low, and the negative pressure formed has a good effect.

The recovery device includes a recovery cylinder 71, a recovery channel 72, a chassis 73 and a motor 74. The recovery cylinder 71 is made of metal and is located in the roller mill; the lower part of the recovery cylinder 71 is provided with the roller mill. The feeding port 711 connected with the chambers, and the bottom wall of the roller mill chamber is set to be inclined from top to bottom, so that the material can be better transported to the position of the feeding port; the recovery channel 72 is a spiral structure. The recovery channel 72 is made of metal, and the cross-section is a U-shaped structure. One side wall of the recovery channel 72 is attached to or directly connected to the inner wall of the recovery channel; the chassis 73 is located at the bottom of the recovery cylinder and can rotate relative to the recovery cylinder. The output shaft of the motor is fixed or matched with the chassis so that when the motor works, the chassis can be driven to rotate; the recovery channel The lower part of 72 is in conflict with the upper surface of the chassis 73, and the upper part of the recovery channel is connected with a return channel 713 made of metal. The cross section of the return channel is also set in a U-shaped structure. The recovery channel is attached to each other, and a U-shaped baffle is arranged on the attached position, so that the material on the recovery channel can be transported to the return channel; the roller mill chamber corresponds to the first and second rollers. There is a metal feeding hopper 21 at the upper position of the body, and the other end of the return channel is erected on the feeding hopper, so that the recovered material can be transported to the feeding hopper, and then dropped to the first, Between the second roller bodies, it is crushed again; after being screened by the screening element, it is directly transported from the bottom of the recovery drum to the first and second roller bodies through the spiral recovery track, and is passed through the static state between the first and second roller bodies. It is easy to operate and has high work efficiency; and through the bottom rotating turntable, the material is conveyed upward from the spiral recovery channel, and the recovery cylinder and spiral The recovery channel does not need to be rotated, the power setting is relatively easy, and the energy consumption is low; and after the recovery cylinder remains stationary, it can be ensured that the setting of the discharge pipe will not affect the normal operation of the equipment.

The specific working principle is as follows: the material is put into the first and second roller bodies from the feeding port, and then the roller body rotates and moves to crush the material; the crushed material falls to the breaking seat and is broken by the breaking seat The dispersing protruding teeth on the upper part disperse the materials into lumps; after that, the materials fall onto the screen, and after being further dispersed and sieved on the screen, the materials that do not meet the specifications are left on the screen, which is smaller than the screen. The material in the hole passes through the screen and falls to the bottom of the roller mill chamber, and then is transported to the recovery drum along the inclination angle of the bottom of the roller mill chamber, and then enters the recovery drum through the feeding port on the recovery drum; The material hits the screening part under the action of negative pressure adsorption, and is further dispersed. At the same time, the material that can pass through the mesh of the screening part is transported to the outside, and the material that cannot pass through the screening part is left in the recovery cylinder. ; After the material is crushed, adjust the distance between the first and second roller bodies, and then start the driving part to drive the screw to rotate, and the driving movable part drives the right side of the screen to move downward, so that the screen is inclined and the screen remains The material is dumped to the bottom of the roller mill chamber, and then conveyed to the recovery drum along the inclination angle of the bottom of the roller mill chamber, and then enters the recovery drum through the feeding port on the recovery drum; then the motor starts to drive the chassis to rotate, thereby The materials on the chassis are gathered towards the outer edge of the chassis, slowly sent to the recovery channel, and conveyed upward along the recovery channel until it reaches the position of the return channel, and then sent back to the first and second roller bodies .

Claims (8)

1. A crushing equipment for building which characterized in that: comprises a frame (1); a roller milling chamber (2) arranged on the frame; the roller comprises a first roller body (31) and a second roller body (32), wherein the first roller body can rotate, and the second roller body can rotate and move left and right; the crushing device is arranged in the roller grinding chamber (2) and is used for crushing the materials after cake formation; the screening device is used for screening the scattered materials; the discharging device is used for conveying the materials meeting the specification outwards and reserving the materials which do not meet the discharging specification into the roller grinding chamber (2);

the discharging device comprises a discharging pipeline (61) arranged at the lower part of the roller grinding chamber, an elastic scattering part arranged at the inlet of the discharging pipeline, a screening part (62) and a negative pressure discharging structure for controlling the materials in the roller grinding chamber to be rapidly conveyed outwards;

the elastic scattering part comprises a flexible connecting piece (63) used for connecting the screening part (62) and the discharge pipeline (61), a limiting column (64) arranged on the screening part, a column groove (65) arranged on the discharge pipeline and matched with the limiting column, and a spring piece (66) arranged in the column groove and matched with the limiting column (64).

2. Crushing plant for buildings according to claim 1, characterized in that: the crushing device also comprises a recovery device which is used for re-conveying the materials with overlarge particles in the roller grinding chamber (2) to the first roller body and the second roller body for crushing operation.

3. Crushing plant for buildings according to claim 1, characterized in that: the material crushing device comprises a scattering seat (41) arranged below the first roller body and the second roller body, scattering convex teeth (42) arranged on the scattering seat and a material leakage through groove (43) formed on the scattering seat.

4. A crushing plant for building according to claim 3, characterized in that: the screening device comprises a screen (44) which can move up and down and is arranged below the scattering seat (41), and a driving part for driving the screen (44) to move up and down.

5. A crushing plant for building according to claim 4, characterized in that: the driving part comprises at least two sliding blocks (51) arranged on the side part of the screen, a sliding rail (52) arranged on the side wall of the roller mill chamber and matched with the sliding blocks, an elastic part (53) arranged in the sliding rail and matched with the sliding blocks, and a turning part for driving one end of the screen (44) to move up and down.

6. A crushing plant for building according to claim 5, characterized in that: the turning part comprises a screw rod (54) arranged in the roller grinding chamber, a moving part (55) arranged on the screw rod and capable of moving up and down along the screw rod when the screw rod rotates, and a driving part (56) used for driving the screw rod to rotate.

7. Crushing plant for buildings according to claim 1, characterized in that: the negative pressure discharging structure comprises an inclined air jet (67) arranged on the inner wall of the discharging pipeline, a gas transmission cover (68) covering the discharging pipeline and a gas transmission piece for supplying gas to the gas transmission cover.

8. A crushing plant for building according to claim 2, characterized in that: the recycling device comprises a recycling cylinder (71) arranged in the roller grinding chamber, a spiral recycling channel (72) arranged on the inner wall of the recycling cylinder, a chassis (73) rotatably arranged at the bottom of the recycling cylinder and a motor for driving the chassis to rotate, wherein at least part of the lower part of the recycling channel (72) is in contact with the chassis (73), and the upper part of the recycling channel is connected with a recycling channel (713); and the lower part of the recovery cylinder (71) is provided with a feed inlet (711) communicated with the roller milling chamber and an open slot for the discharge pipeline to pass through.

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