阅读说明：本技术 基于双辊式粉碎耐火材料的粉碎筛分一体装置 (Crushing and screening integrated device based on double-roller type crushing refractory material ) 是由 张建新 于 2021-07-06 设计创作，主要内容包括：本发明涉及耐火材料技术领域,具体地说,涉及基于双辊式粉碎耐火材料的粉碎筛分一体装置。其包括粉碎机构和设置在粉碎机构底部的筛分机构,粉碎机构包括粉碎外箱,粉碎外箱的顶部和底部均为镂空状态,粉碎装置包括两个粉碎辊,两个粉碎辊对称设在粉碎外箱的内部,且粉碎辊的表面设有多个条形纹路,粉碎辊的前侧设有电力驱动装置。本发明中耐火材料受到粉碎辊的挤压力作用粉碎,再通过顶部筛分箱、中部筛分箱以及底部筛分箱配合实现对粉碎的耐火材料进行三层筛分,从而通过对耐火材料自身重力的利用,使其在粉碎后直接进行筛分,让粉碎和筛分两个步骤一体化,减少中间的转运过程,提高工作的效率。(The invention relates to the technical field of refractory materials, in particular to a crushing and screening integrated device based on a double-roller type crushing refractory material. It includes rubbing crusher and sets up the screening mechanism in rubbing crusher bottom, and rubbing crusher constructs including smashing the outer container, and the top and the bottom of smashing the outer container are the fretwork state, and reducing mechanism includes two crushing rollers, and two crushing roller symmetries are established in the inside of smashing the outer container, and the surface of smashing the roller is equipped with a plurality of bar lines, and the front side of smashing the roller is equipped with electric drive device. According to the invention, the refractory material is crushed under the extrusion force of the crushing roller, and then the crushed refractory material is subjected to three-layer screening through the cooperation of the top screening box, the middle screening box and the bottom screening box, so that the crushed refractory material is directly screened after being crushed by utilizing the gravity of the refractory material, the crushing step and the screening step are integrated, the middle transfer process is reduced, and the working efficiency is improved.)

1. Integrative device of crushing screening based on fire-resistant material is smashed to double roll formula, including rubbing crusher structure (100) and screening mechanism (200) of setting in rubbing crusher structure (100) bottom, its characterized in that: the shredding mechanism (100) comprises at least:

the crushing outer box (110), wherein the top and the bottom of the crushing outer box (110) are hollow;

the crushing device (120) comprises two crushing rollers (122), the two crushing rollers (122) are symmetrically arranged inside the crushing outer box (110), the surface of each crushing roller (122) is provided with a plurality of strip-shaped grains, the front side of each crushing roller (122) is provided with an electric driving device (121), the output end of each electric driving device (121) is fixedly connected with a driving shaft (1211), each driving shaft (1211) is fixedly connected with each crushing roller (122), the circle center of the rear end of each crushing roller (122) is fixedly connected with a transfer shaft (1221), each driving shaft (1211) is rotatably connected with the front side wall of the crushing outer box (110), and each transfer shaft (1221) is rotatably connected with the rear side wall of the crushing outer box (110);

the sifting mechanism (200) comprises at least:

the top screening box (210) is arranged at the bottom of the crushing outer box (110), a middle screening box (220) is arranged at the bottom of the top screening box (210), a bottom screening box (230) is arranged at the bottom of the middle screening box (220), and the tops and bottoms of the top screening box (210), the middle screening box (220) and the bottom screening box (230) are all in hollow states;

the screening filter plate (211) is arranged inside the top screening box (210) and the middle screening box (220), the screening filter plate (211) is of a filter screen structure with a high middle part and two side bottoms, the filtering radius of the screening filter plate (211) in the top screening box (210) is larger than that of the screening filter plate (211) in the middle screening box (220), discharge slots (2111) are formed in the positions, corresponding to the screening filter plates (211), of the left side and the right side of the top screening box (210) and the middle screening box (220), and the end parts of the screening filter plate (211) penetrate through the discharge slots (2111);

flow distribution plate (231), flow distribution plate (231) set up inside bottom screening case (230), flow distribution plate (231) are "arc" board at the bottom of middle high both sides, blown down tank (2111) have all been seted up to the position that the both sides correspond flow distribution plate (231) about bottom screening case (230), flow distribution plate (231) are passed to the tip of flow distribution plate (231).

2. The integrated dual roll mill screen apparatus for milling refractory material according to claim 1, wherein: the front side of the crushing roller (122) is provided with an adjusting device (130), the adjusting device (130) comprises an adjusting frame (131), four corners of the adjusting frame (131) are provided with rotating shafts (1311), the outer part of each rotating shaft (1311) is rotatably connected with a moving wheel (1312), the outer part of each moving wheel (1312) is provided with an annular groove, the front side wall of the crushing outer box (110) is provided with an adjusting groove (111), the inner wall of each adjusting groove (111) is movably connected with the groove of the corresponding moving wheel (1312), the rear side of the crushing outer box (110) is provided with a switching groove (112), the switching groove (112) is internally connected with a switching wheel (1222) in a rolling manner, the switching wheel (1222) is rotatably connected with a switching shaft (1221), the electric driving device (121) is fixedly connected with the adjusting frame (131) through a bolt, and the center of the adjusting frame (131) is provided with a connecting hole (1313), the driving shaft 1211 is rotatably coupled to the coupling hole 1313.

3. The integrated dual roll mill screen apparatus for milling refractory material according to claim 2, wherein: four corners of alignment jig (131) front side are equipped with fixing device (132), fixing device (132) are including fixed plate (1321), one side that fixed plate (1321) is close to alignment jig (131) is equipped with and is used for fixed block (1322) with fixed plate (1321) and alignment jig (131) fixed connection, one side that fixed plate (1321) kept away from fixed block (1322) is equipped with connecting block (1323), the internal thread connection of connecting block (1323) has lead screw (133).

4. The integrated dual roll mill screen apparatus for milling refractory material according to claim 3, wherein: one end that lead screw (133) are close to crushing outer container (110) is equipped with fastening block (1331), the radius of fastening block (1331) is greater than lead screw (133), the one end that fastening block (1331) was kept away from in lead screw (133) is equipped with turning block (1332), the outside of turning block (1332) is the annular and is equipped with a plurality of dwang (1333), dwang (1333) and turning block (1332) fixed connection.

5. The integrated dual roll mill screen apparatus for milling refractory material according to claim 4, wherein: the front side of the crushing outer box (110) is provided with a baffle (113), the position of the baffle (113) corresponding to the driving shaft (1211) is provided with a limiting groove (1131), the driving shaft (1211) is movably connected with the limiting groove (1131), and the position of the front side of the crushing outer box (110) at the top of the adjusting groove (111) is provided with a scale plate (114).

6. The integrated dual roll mill screen apparatus for milling refractory material according to claim 1, wherein: crushing mechanism (100) top is equipped with preprocessing device (300), preprocessing device (300) are including preprocessing case (310), preprocessing case (310) and crushing outer container (110) fixed connection, preprocessing case (310) top is equipped with expands face guard (320), the top area that expands face guard (320) is greater than the bottom area, and inside preprocessing filter plate (311) that is equipped with of preprocessing case (310).

7. The integrated dual roll mill screen apparatus for milling refractory material according to claim 6, wherein: two guide plates (312) are symmetrically arranged at the bottom of the pretreatment filter plate (311) in the pretreatment tank (310), the two guide plates (312) are bent towards one opposite side, and the end parts of the bent parts of the guide plates (312) are designed horizontally.

8. The integrated dual roll mill screen apparatus for milling refractory material according to claim 3, wherein: the left and right sides of top screening case (210), middle part screening case (220) and bottom screening case (230) all is equipped with curb plate (212), curb plate (212) top is equipped with album workbin (213), spout (2121) have been seted up to the position that curb plate (212) top is located album workbin (213) outside, sliding connection has fixture block (2123) in spout (2121), be equipped with spring (2122) between fixture block (2123) and spout (2121), just the inboard slope in top of fixture block (2123).

9. The dual roll mill refractory-based pulverizing and screening integrated apparatus as claimed in claim 8, wherein: both sides all are equipped with spacing seat (214) around the case (213) that gathers materials, spacing seat (214) and curb plate (212) fixed connection, a plurality of logical grooves have been seted up to the inside of spacing seat (214), logical inslot is equipped with spacing axle (2141), spacing axle (2141) outside is rotated and is connected with spacing wheel (2142).

10. The dual roll mill refractory-based pulverizing and screening integrated apparatus as claimed in claim 8, wherein: the front side and the rear side of the material collecting box (213) are fixedly connected with material collecting handles (2131), the front side of the adjusting frame (131) is provided with an adjusting handle (1314), and the outer parts of the material collecting handles (2131) and the adjusting handle (1314) are respectively sleeved with an anti-skidding sleeve.

Technical Field

The invention relates to the technical field of refractory materials, in particular to a crushing and screening integrated device based on a double-roller type crushing refractory material.

Background

The refractory material is an inorganic non-metallic material with the refractoriness of not less than 1580 ℃, so the refractory material is widely applied to the industrial fields of metallurgy, chemical industry, petroleum, mechanical manufacturing, silicate, power and the like, the consumption is the largest in the metallurgical industry and accounts for 50% -60% of the total output, the refractory material needs to be crushed and screened before processing to be divided into refractory materials without the particle size, a common crushing and screening device works separately, but the crushed refractory material needs to be transported to a screening device after crushing, the cost is improved no matter the crushed refractory material is transported or carried, the time consumed by intermediate transportation is very long, and the working efficiency of the refractory material during processing is greatly reduced.

Disclosure of Invention

The invention aims to provide a crushing and screening integrated device based on a double-roller type crushing refractory material, so as to solve the problems in the background technology.

In order to achieve the above object, a crushing and screening integrated device based on a double-roller type crushing refractory material is provided, which comprises a crushing mechanism and a screening mechanism arranged at the bottom of the crushing mechanism, wherein the crushing mechanism at least comprises:

the top and the bottom of the crushing outer box are both in a hollow state;

the crushing device comprises two crushing rollers which are symmetrically arranged inside the crushing outer box, and the surface of each crushing roller is provided with a plurality of strip-shaped grains, the symmetrically arranged crushing rollers rotate to extrude the refractory material, the refractory material is crushed under the action of the extrusion force, meanwhile, the friction force of the grinding roller is increased by the strip-shaped lines on the surface of the grinding roller when the grinding roller is contacted with the refractory material, thereby preventing the refractory materials from rolling on the surface of the crushing roller and improving the crushing efficiency, the front side of the crushing roller is provided with an electric driving device, the output end of the electric driving device is fixedly connected with a driving shaft which is fixedly connected with the crushing roller, a rotary shaft is fixedly connected to the circle center of the rear end of the crushing roller, the driving shaft is rotatably connected with the front side wall of the crushing outer box, and the rotary shaft is rotatably connected with the rear side wall of the crushing outer box;

in the present embodiment, the electric driving device is a motor, the motor preferably adopts a three-phase asynchronous motor, and the operation principle of the motor is well known to those skilled in the art, when three-phase stator windings of the motor are supplied with three-phase symmetric alternating current, a rotating magnetic field is generated, the rotating magnetic field cuts the rotor windings, so that induced current is generated in the rotor windings, the current-carrying rotor conductors generate electromagnetic force under the action of the stator rotating magnetic field, so as to form electromagnetic torque on a rotating shaft of the motor, drive the rotating shaft to rotate, and the rotating shaft has the same direction as the rotating magnetic field, and the rotating shaft is an output end of the motor.

The screening mechanism includes at least:

the top screening box is arranged at the bottom of the crushing outer box, the middle screening box is arranged at the bottom of the top screening box, the bottom screening box is arranged at the bottom of the middle screening box, and the tops and bottoms of the top screening box, the middle screening box and the bottom screening box are all in a hollow state, so that the inner cavities of the crushing outer box, the top screening box, the middle screening box and the bottom screening box are all in a communicated state, and refractory materials can conveniently enter the crushing outer box, the top screening box, the middle screening box and the bottom screening box in sequence under the action of self gravity;

the screening filter plate is arranged inside the top screening box and the middle screening box, the screening filter plate is of a filter screen structure with a high middle part and two side bottoms, the filtering radius of the screening filter plate in the top screening box is larger than that of the screening filter plate in the middle screening box, so that the purpose of screening refractory materials is realized through different filtering radii, discharge grooves are formed in the left side and the right side of the top screening box and the left side and the right side of the middle screening box, which correspond to the screening filter plates, and the end parts of the screening filter plate penetrate through the discharge grooves;

the flow distribution plate is arranged inside the bottom screening box and is an arc-shaped plate at the bottom of the middle high two sides, discharge chutes are formed in the positions, corresponding to the flow distribution plate, of the left side and the right side of the bottom screening box, and the end part of the flow distribution plate penetrates through the flow distribution plate.

As a further improvement of the technical scheme, an adjusting device is arranged on the front side of the crushing roller, the adjusting device comprises an adjusting frame, four corners of the adjusting frame are provided with rotating shafts, the outer portion of each rotating shaft is rotatably connected with a movable wheel, an annular groove is formed in the outer portion of each movable wheel, an adjusting groove is formed in the front side wall of the crushing outer box, the inner wall of each adjusting groove is movably connected with the groove of each movable wheel, so that the movable wheels are limited through the resistance effect of the grooves, the movable wheels are prevented from being separated from the adjusting grooves, a transfer groove is formed in the rear side of the crushing outer box, a transfer wheel is connected in a rolling mode in the transfer groove and is rotatably connected with the transfer shaft, the electric driving device is fixedly connected with the adjusting frame through bolts, a connecting hole is formed in the center of the adjusting frame, and the driving shaft is rotatably connected with the connecting hole.

As a further improvement of the technical scheme, four corners of the adjusting bracket front side are provided with fixing devices, each fixing device comprises a fixing plate, one side, close to the adjusting bracket, of each fixing plate is provided with a fixing block for fixedly connecting the fixing plate with the adjusting bracket, one side, far away from the fixing block, of each fixing plate is provided with a connecting block, and the inner threads of the connecting blocks are connected with lead screws.

As the further improvement of this technical scheme, the one end that the lead screw is close to crushing outer container is equipped with the fastening block, the radius of fastening block is greater than the lead screw, has consequently increased the area of contact of lead screw and crushing outer container outer wall to increased the lead screw and the frictional force that crushing outer container outer wall contact produced, improved fixed stability, the one end that the fastening block was kept away from to the lead screw is equipped with the turning block, the outside of turning block is the annular and is equipped with a plurality of dwangs, dwang and turning block fixed connection, the dwang set up the quantity and preferably adopt 5 to the mode of holding of 5 fingers when adaptation rotates the lead screw.

As a further improvement of the technical scheme, the front side of the crushing outer box is provided with a baffle, a limit groove is formed in the position, corresponding to the drive shaft, of the baffle, the drive shaft is movably connected with the limit groove, a scale plate is arranged at the position, located at the top of the adjusting groove, of the front side of the crushing outer box, and the crushing distance between the two crushing rollers is judged by observing the distance value corresponding to the scale strips arranged on the scale plate, so that the adjusting accuracy of the crushing rollers is improved.

As the further improvement of this technical scheme, rubbing crusher constructs the top and is equipped with preprocessing device, preprocessing device is including the preprocessing case, preprocessing case and crushing outer container fixed connection, the preprocessing roof portion is equipped with expands the face guard, the top area that expands the face guard is greater than the bottom area, and the feeding area at outer container top is smashed in the increase, throws the material when facilitating the use, and the inside preprocessing filter plate that is equipped with of preprocessing incasement portion treats kibbling refractory material through the preprocessing filter plate and prefilters, filters great graininess impurity in the refractory material to improve refractory material's crushing quality.

As a further improvement of the technical scheme, two guide plates are symmetrically arranged at the bottom of the pretreatment filter plate in the pretreatment tank, the two guide plates are bent towards one opposite side, and the end parts of the bent parts of the guide plates are designed horizontally.

As a further improvement of this technical scheme, the left and right sides of top screening case, middle part screening case and bottom screening case all is equipped with the curb plate, the curb plate top is equipped with the case that gathers materials, the curb plate top is located the position in the case outside that gathers materials and has seted up the spout, sliding connection has the fixture block in the spout, be equipped with the spring between fixture block and the spout, just the top of fixture block is to the inboard slope.

As a further improvement of the technical scheme, both sides all are equipped with spacing seat around the case that gathers materials, spacing seat and curb plate fixed connection, a plurality of logical grooves have been seted up to the inside of spacing seat, logical inslot is equipped with spacing axle, spacing off-axial portion rotates and is connected with spacing wheel.

As a further improvement of the technical scheme, the front side and the rear side of the material collecting box are fixedly connected with material collecting handles, the front side of the adjusting frame is provided with an adjusting handle, and the material collecting handles and the adjusting handle are all sleeved with anti-skidding sleeves.

Compared with the prior art, the invention has the beneficial effects that:

1. this smash integrative device of screening based on refractory material is smashed to double-roller, two pivoted crushing rollers in opposite directions produce frictional force through the strip line and the refractory material contact on its surface, refractory material receives the position removal in the middle of two crushing rollers of frictional force effect, and receive crushing roller's extrusion force effect and smash, rethread top screening case, middle part screening case and bottom screening case cooperation are realized carrying out the three-layer screening to kibbling refractory material, thereby through the utilization to refractory material self gravity, make it directly sieve after smashing, let smash and sieve two step integrations, reduce middle transportation, the efficiency of work is improved.

2. In this integrative device of crushing screening based on refractory material is smashed to double roll formula, the removal through the alignment jig drives the drive shaft and removes, and the drive shaft drives crushing roller and is synchronous motion, consequently can realize the regulation of smashing the distance between two crushing rollers through promoting the alignment jig to increase the crushing scope of crushing roller, improve the suitability of whole integrative device.

3. In this smash integrative device of screening based on refractory material is smashed to double roll formula, fix the fixed plate through the effect of fastening block and the contact production friction power of smashing the outer container to realize the fixed of alignment jig through the fixed plate, avoid the crushing roller after the regulation distance to take place the skew.

4. In this crushing and screening integrated device based on double-roller crushing refractory material, keep apart the adjustment tank through baffle and spacing groove cooperation, reduced the inside cavity of crushing outer container and passed through adjustment tank and external area of contact to reduce the volume of splashing of crushing refractory material in the crushing outer container, played certain supporting role to the drive shaft through the spacing groove simultaneously.

Drawings

FIG. 1 is a schematic view of the entire structure of embodiment 1;

FIG. 2 is an exploded view of the entire structure of example 1;

FIG. 3 is an exploded view of the structure of the crushing mechanism of example 1;

FIG. 4 is an exploded view of the structure of a crushing apparatus according to example 1;

FIG. 5 is a sectional view showing the structure of a crushing box according to example 1;

FIG. 6 is an exploded view of the structure of the sizing mechanism of example 1;

FIG. 7 is an enlarged view of the structure at A in FIG. 6 in example 1;

FIG. 8 is an exploded view of the constitution of a pretreatment device according to example 1;

FIG. 9 is a schematic view of the structure of an adjusting device according to embodiment 1;

FIG. 10 is an exploded view of the structure of the adjusting bracket of example 1;

FIG. 11 is an exploded view of the structure of the fixing device of example 1;

FIG. 12 is a schematic view of the structure of a material collecting box according to embodiment 1;

FIG. 13 is a schematic view of the structure of the retainer in embodiment 1;

figure 14 is a cross-sectional view of the screening box structure of example 1;

fig. 15 is an enlarged view of the structure at B of fig. 14 of embodiment 1.

The various reference numbers in the figures mean:

100. a crushing mechanism;

110. crushing an outer box;

111. an adjustment groove;

112. a transfer groove;

113. a baffle plate; 1131. a limiting groove;

114. a scale plate;

120. a crushing device;

121. an electric drive device; 1211. a drive shaft;

122. a crushing roller; 1221. a transfer shaft; 1222. a transfer wheel;

130. an adjustment device;

131. an adjusting bracket; 1311. a rotating shaft; 1312. a moving wheel; 1313. connecting holes; 1314. adjusting the grip; 132. a fixing device; 1321. a fixing plate; 1322. a fixed block; 1323. connecting blocks;

133. a screw rod; 1331. a fastening block; 1332. rotating the block; 1333. rotating the rod;

200. a screening mechanism;

210. a top screening bin;

211. screening the filter plate; 2111. a discharge chute;

212. a side plate; 2121. a chute; 2122. a spring; 2123. a clamping block;

213. a material collecting box; 2131. an aggregate grip;

214. a limiting seat; 2141. a limiting shaft; 2142. a limiting wheel;

220. a middle screening box;

230. a bottom screening bin; 231. a flow distribution plate;

300. a pretreatment device;

310. a pretreatment tank; 311. pre-treating a filter plate; 312. a baffle;

320. and (5) expanding the mask.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Example 1

Referring to fig. 1 to 15, the present embodiment aims to provide a crushing and screening integrated device based on a dual-roller type crushing refractory material, which includes a crushing mechanism 100 and a screening mechanism 200 disposed at the bottom of the crushing mechanism 100, the crushing mechanism 100 includes a crushing outer box 110, the top and the bottom of the crushing outer box 110 are both in a hollow state, the crushing device 120 includes two crushing rollers 122, the two crushing rollers 122 are symmetrically disposed inside the crushing outer box 110, and the surface of the crushing roller 122 is provided with a plurality of strip-shaped grains, the refractory material is extruded by the rotation of the symmetrically disposed crushing roller 122, the refractory material is crushed after being subjected to an extrusion force, and meanwhile, the friction force when the refractory material is in contact with the refractory material is increased by the strip-shaped grains on the surface of the crushing roller 122, thereby preventing the refractory material from rolling on the surface of the crushing roller 122, improving the crushing efficiency, the front side of the crushing roller 122 is provided with an electric driving device 121, the output end of the power driving device 121 is fixedly connected with a driving shaft 1211, the driving shaft 1211 is fixedly connected with the crushing roller 122, the circle center of the rear end of the crushing roller 122 is fixedly connected with a switching shaft 1221, the driving shaft 1211 is rotatably connected with the front side wall of the crushing outer box 110, and the switching shaft 1221 is rotatably connected with the rear side wall of the crushing outer box 110.

In the present embodiment, the electric driving device 121 is a motor, which preferably adopts a three-phase asynchronous motor, and its operation principle is well known to those skilled in the art, when three-phase stator windings of the motor are energized with three-phase symmetric alternating current, a rotating magnetic field is generated, which cuts the rotor windings, so as to generate induced current in the rotor windings, and the current-carrying rotor conductors generate electromagnetic force under the action of the stator rotating magnetic field, so as to form electromagnetic torque on a rotating shaft of the motor, so as to drive the rotating shaft to rotate, and the rotating shaft has the same direction as the rotating magnetic field, and the rotating shaft is an output end of the motor.

When the crushing device 120 in this embodiment is used specifically, the power supply of the electric driving device 121 is first turned on, so that the electric driving device works to drive the driving shaft 1211 to rotate, the driving shaft 1211 drives the two crushing rollers 122 to rotate in opposite directions, the two crushing rollers 122 rotating in opposite directions contact with the refractory material through the strip-shaped grains on the surfaces of the two crushing rollers to generate friction, the refractory material moves by the friction force at the middle position of the two crushing rollers 122 and is crushed by the extrusion force of the crushing rollers 122, and thus the purpose of crushing the refractory material is achieved.

The sifting mechanism 200 includes at least:

the top screening box 210 is arranged at the bottom of the crushing outer box 110, the middle screening box 220 is arranged at the bottom of the top screening box 210, the bottom screening box 230 is arranged at the bottom of the middle screening box 220, and the tops and bottoms of the top screening box 210, the middle screening box 220 and the bottom screening box 230 are all in a hollow state, so that the internal cavities of the crushing outer box 110, the top screening box 210, the middle screening box 220 and the bottom screening box 230 are all in a communicated state, and refractory materials can conveniently enter the crushing outer box 110, the top screening box 210, the middle screening box 220 and the bottom screening box 230 in sequence under the action of self gravity;

the screening filter plates 211 are arranged in the top screening box 210 and the middle screening box 220, the screening filter plates 211 are of a filter screen structure with the middle part being high and the two sides being low, so that the refractory materials passing through the top of the screening filter plates 211 roll to the two sides under the action of gravity and are discharged from the discharge slots 2111 on the two sides of the flow distribution plate 231, the filtering radius of the screening filter plates 211 in the top screening box 210 is larger than that of the screening filter plates 211 in the middle screening box 220, the purpose of screening the refractory materials is achieved through different filtering radii, the discharge slots 2111 are formed in the positions, corresponding to the screening filter plates 211, of the left side and the right side of the top screening box 210 and the middle screening box 220, and the end parts of the screening filter plates 211 penetrate through the discharge slots 2111;

the flow distribution plate 231 and the flow distribution plate 231 are arranged inside the bottom screening box 230, the flow distribution plate 231 is an arc-shaped plate with the middle part being high and two sides being low, so that the refractory materials passing through the top of the flow distribution plate 231 roll to the left side and the right side under the action of gravity and are discharged from the discharge chutes 2111 on the left side and the right side of the flow distribution plate 231, the discharge chutes 2111 are arranged on the left side and the right side of the bottom screening box 230 corresponding to the position of the flow distribution plate 231, and the end part of the flow distribution plate 231 penetrates through the flow distribution plate 231.

In this embodiment, when the top sieving box 210 is used specifically, in the process of crushing the refractory material by the crushing roller 122, the crushed refractory material falls into the top sieving box 210 first under the action of its own gravity, the sieving filter plate 211 in the top sieving box 210 filters the crushed refractory material, the refractory material having a larger filtering radius is discharged from the discharge slots 2111 at the left and right sides of the top sieving box 210, the refractory material having a smaller filtering radius falls into the middle sieving box 220, the refractory material filtered by the top sieving box 210 is re-filtered by the sieving filter plate 211 in the middle sieving box 220, the refractory material having a larger filtering radius is discharged from the discharge slots 2111 at the left and right sides of the middle sieving box 220, the refractory material having a smaller filtering radius falls into the bottom sieving box 230, the refractory material filtered by the middle sieving box 220 is guided out by the diverter plate 231 in the bottom sieving box 230 through the discharge slots 2111 at the left and right sides of the diverter plate 231, thereby realizing three-layer sieving of the crushed refractory material, through the utilization to refractory material self gravity, make it directly sieve after smashing, let smash and sieve two step integrations, reduce the transfer process in the middle, improve the efficiency of work.

In addition, in order to adjust the crushing distance between the two crushing rollers 122 to adapt to the crushing of refractory materials with different sizes, the front side of the crushing roller 122 is provided with an adjusting device 130, the adjusting device 130 comprises an adjusting frame 131, four corners of the adjusting frame 131 are provided with rotating shafts 1311, the outer part of the rotating shaft 1311 is rotatably connected with a moving wheel 1312, the outer part of the moving wheel 1312 is provided with an annular groove, the front side wall of the crushing outer box 110 is provided with an adjusting groove 111, the inner wall of the adjusting groove 111 is movably connected with the groove of the moving wheel 1312 so as to limit the moving wheel 1312 from being separated from the adjusting groove 111 through the resistance effect of the groove, the rear side of the crushing outer box 110 is provided with a switching groove 112, the switching wheel 1222 is rotatably connected in the switching groove 112, the switching wheel 1222 is rotatably connected with the switching shaft 1221, the electric driving device 121 is fixedly connected with the adjusting frame 131 through a bolt, the central position of the adjusting frame 131 is provided with a connecting hole 1313, the driving shaft 1211 is rotatably coupled to the coupling hole 1313.

When the adjusting bracket 131 is used specifically in this embodiment, the adjusting bracket 131 is pushed to drive the moving wheel 1312 to roll along the inner wall of the adjusting groove 111, and then the driving shaft 1211 is driven to move by the movement of the adjusting bracket 131, and the driving shaft 1211 drives the crushing rollers 122 to move synchronously, so that the adjustment of the crushing distance between the two crushing rollers 122 can be realized by pushing the adjusting bracket 131, thereby increasing the crushing range of the crushing rollers 122 and improving the applicability of the whole integrated device.

Further, in order to fix the adjusting bracket 131, fixing devices 132 are arranged at four corners of the front side of the adjusting bracket 131, each fixing device 132 comprises a fixing plate 1321, a fixing block 1322 for fixedly connecting the fixing plate 1321 with the adjusting bracket 131 is arranged at one side of the fixing plate 1321 close to the adjusting bracket 131, a connecting block 1323 is arranged at one side of the fixing plate 1321 far away from the fixing block 1322, and a screw rod 133 is connected to the inner thread of the connecting block 1323.

Still further, one end of the screw rod 133 close to the crushing outer box 110 is provided with a fastening block 1331, the radius of the fastening block 1331 is larger than that of the screw rod 133, so that the contact area between the screw rod 133 and the outer wall of the crushing outer box 110 is increased, friction force generated by contact between the screw rod 133 and the outer wall of the crushing outer box 110 is increased, the stability of fixation is improved, one end of the screw rod 133 far from the fastening block 1331 is provided with a rotating block 1332, the outside of the rotating block 1332 is provided with a plurality of rotating rods 1333 in an annular shape, the rotating rods 1333 are fixedly connected with the rotating block 1332, the rotating rod 1333 and the rotating block 1332 are matched to facilitate the holding force of the screw rod 133, the setting number of the rotating rods 1333 is preferably 5, so as to adapt to the holding manner of 5 fingers when the screw rod 133 is rotated.

Specifically, in order to reduce the exposed area between the inner cavity of the crushing outer box 110 and the outside, the front side of the crushing outer box 110 is provided with a baffle 113, a limit groove 1131 is formed in the position of the baffle 113 corresponding to the driving shaft 1211, the driving shaft 1211 is movably connected with the limit groove 1131, the adjusting groove 111 is isolated by matching the baffle 113 with the limit groove 1131, the contact area between the inner cavity of the crushing outer box 110 and the outside through the adjusting groove 111 is reduced, so that the splashing amount of the crushed refractory materials in the crushing outer box 110 is reduced, meanwhile, the driving shaft 1211 is supported by the limit groove 1131 to a certain extent, the position, located at the top of the adjusting groove 111, of the front side of the crushing outer box 110 is provided with a scale plate 114, the crushing distance between the two crushing rollers 122 at the moment is judged by observing the distance value corresponding to the scale strip arranged on the scale plate 114, and the adjustment accuracy of the crushing rollers 122 is improved.

In addition, rubbing crusher constructs 100 top and is equipped with preprocessing device 300, preprocessing device 300 includes pretreatment tank 310, pretreatment tank 310 and crushing outer container 110 fixed connection, pretreatment tank 310 top is equipped with expands face guard 320, the top area that expands face guard 320 is greater than the bottom area, the feeding area at increase crushing outer container 110 top, throw the material when facilitating the use, and pretreatment tank 310 is inside to be equipped with pretreatment filter plate 311, treat kibbling refractory material through pretreatment filter plate 311 and carry out prefiltering, great graininess impurity in the refractory material filters, thereby improve refractory material's crushing quality.

Further, the position symmetry that is located the bottom of pretreatment filter plate 311 in pretreatment case 310 is equipped with two guide plates 312, two guide plates 312 are to one side bending in opposite directions to through the guide effect of guide plate 312 make the refractory material of treating kibbling pass through the position entering between two crushing rollers 122 as far as in smashing outer container 110, and the tip of the bending part of guide plate 312 is horizontal design, for the refractory material of treating kibbling provides a buffer distance, avoid the too big skew position of going out between two crushing rollers 122 of impact force.

Furthermore, the left and right sides of the top screening box 210, the middle screening box 220 and the bottom screening box 230 are provided with side plates 212, the top of the side plates 212 is provided with a material collecting box 213, so that the screened refractory materials are collected through the material collecting box 213 for later centralized treatment, the top of the side plates 212, which is positioned at the outer side of the material collecting box 213, is provided with a sliding groove 2121, a block 2123 is connected in the sliding groove 2121 in a sliding manner, a spring 2122 is arranged between the block 2123 and the sliding groove 2121, the block 2123 is clamped by the elastic force of the spring 2122 to the material collecting box 213, so as to fix the block 213, prevent the block 2123 from being deviated during use, the top of the block 2123 inclines inwards, when the material collecting box 213 is drawn out, the material collecting box 213 is pressed to enable the inclined surface at the top of the block 2123 to slide downwards along the sliding groove 2121, then the material collecting box 213 is moved out of the side plates 212, and the material collecting box 213 is reset by the elastic force of the spring 2122 after being separated from the block 2123, for the next use.

In addition, the front and back both sides of case 213 that gathers materials all are equipped with spacing seat 214, spacing seat 214 and curb plate 212 fixed connection, a plurality of logical grooves have been seted up to the inside of spacing seat 214, it is equipped with spacing axle 2141 to lead to the inslot, spacing axle 2141 outside is rotated and is connected with spacing wheel 2142, when case 213 that gathers materials inserts the position between two spacing seats 214, spacing wheel 2142 closely laminates with case 213 outer wall that gathers materials, play spacing effect to it, simultaneously through the roll of spacing wheel 2142, reduce the frictional force that produces with spacing seat 214 contact when case 213 that gathers materials is taken out, thereby save the consumption of physical power when taking out.

In addition, the front and back sides fixedly connected with handle 2131 that gathers materials of case 213 to hold when being convenient for remove case 213 that gathers materials and send out the power, the front side of alignment jig 131 is equipped with adjusts handle 1314, thereby hold when being convenient for promote alignment jig 131 and send out the power, the outside of handle 2131 that gathers materials and adjust handle 1314 all overlaps and is equipped with anti-skidding cover, increases the frictional force that the contact produced when holding through anti-skidding cover, prevents to appear skidding phenomenon.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.