CN218962910U - Crushing structure for improving proportion of fine fraction in fine sand - Google Patents

Abstract

The utility model relates to the technical field of ceramic grain sand production, in particular to a crushing structure for improving the proportion of fine grain in fine sand, which comprises a machine body, a crushing box, a crushing assembly and a screening assembly, wherein the screening assembly comprises a mounting seat, a screening net, a limiting rod and a limiting member; when the screening net is installed, the screening net is inserted into a groove of the installation seat, the screening net contacts with the inclined surface during sliding installation, the limiting rod is extruded to move downwards, the spring is extruded through the fixing block, when the limiting rod is aligned with a limiting hole at the bottom of the screening net, the fixing block is pushed to move by deformation of the spring, the upper end of the limiting rod is driven to be inserted into the screening net, and therefore the screening net is fixed on the installation seat, and the screening net is installed; when the screening net needs to be disassembled, only the limiting rod needs to be moved downwards, so that the limiting rod is separated from the screening net, the screening nets of different specifications are convenient to install, disassemble and replace, and the proportion of fine particle grades in sand is improved.

Description

Crushing structure for improving proportion of fine fraction in fine sand

Technical Field

The utility model relates to the technical field of ceramic grain sand production, in particular to a crushing structure for improving the proportion of fine grain fraction in fine sand.

Background

Ceramic sand is a fine type of sand, and ceramsite sand usually requires bauxite to be ground in the production process. In the use process, when unqualified crushed bauxite exists in the crushed bauxite, the traditional pulverizer for producing the ceramsite sand has the advantages that the grinding time of the crushed bauxite is long, the grinding mechanism is easy to damage, and the production efficiency of the ceramsite sand is reduced.

In the chinese patent document with publication number CN217910558U, a pulverizer with crushing structure for producing haydite sand is disclosed, when in use, through being provided with crushing box, electric telescopic rod, crushing plate, screen cloth and limiting block, the crushing plate is driven by the control electric telescopic rod to go up and down, thereby crushing work is carried out on unqualified crushed bauxite, damage to pulverizing mechanism caused by unqualified crushed bauxite is avoided, pulverizing time of crushed bauxite is shortened, and production efficiency of ceramic grain sand is improved.

However, when the pulverizer is used, the screening net is directly and fixedly arranged on the inner wall of the pulverizer body, so that the screening net is inconvenient to replace and disassemble rapidly, and the purposes of replacing the screening nets with different specifications and improving the proportion of fine particles in sand are achieved.

Disclosure of Invention

The utility model aims to provide a crushing structure for improving the proportion of fine particles in fine sand, which solves the problems that when the conventional pulverizer with the crushing structure for producing ceramsite sand is used, as the screening net is directly and fixedly arranged on the inner wall of a machine body, the screening net is inconvenient to replace and disassemble quickly, so that the purposes of replacing the screening nets with different specifications and improving the proportion of fine particles in the sand are achieved.

In order to achieve the above object, the utility model provides a crushing structure for improving the proportion of fine grains in fine sand, which comprises a machine body, a crushing box and a crushing assembly, wherein the crushing box is arranged on the side wall of the machine body, the crushing assembly is arranged at the bottom of the machine body,

also included is a screening assembly that includes a screen assembly,

the screening assembly comprises a mounting seat, a screening net, a limiting rod and a limiting member, wherein the mounting seat is fixedly connected with the machine body and is positioned on one side of the machine body, which is close to the crushing box, the screening net is detachably connected with the mounting seat, the limiting rod is slidably connected with the mounting seat and is positioned on one side of the mounting seat, which is close to the screening net, and the limiting member is arranged on the mounting seat.

The limiting rod is provided with an inclined plane, and the inclined plane is positioned on one side, close to the screening net, of the limiting rod.

The limiting member comprises a fixed block and a spring, wherein the fixed block is fixedly connected with the limiting rod and is positioned at the outer side of the limiting rod; the spring is sleeved with the outer side of the limiting rod and is positioned below the fixed block.

The limiting member further comprises a limiting block, wherein the limiting block is fixedly connected with the mounting seat and is positioned on one side, close to the limiting rod, of the mounting seat.

The crushing structure for improving the proportion of fine grains in the fine sand further comprises a blocking assembly, wherein the blocking assembly comprises a knob and a bar block, and the knob is fixedly connected with the limiting rod and is positioned below the mounting seat; the strip-shaped block is fixedly connected with the knob and is positioned at the outer side of the knob.

According to the crushing structure for improving the proportion of fine grains in fine sand, when the screening net is installed, the screening net is inserted into the groove aligned with the installation seat, the screening net is in contact with the inclined plane in sliding installation and extrudes the limiting rod, the limiting rod is extruded to move downwards, the spring is extruded through the fixing block, when the limiting rod is aligned with the limiting hole at the bottom of the screening net, the spring deforms to push the fixing block to move, the upper end of the limiting rod is driven to be inserted into the screening net, and therefore the screening net is fixed on the installation seat, and the installation of the screening net is completed; when the screening net needs to be detached, only the limiting rod needs to be moved downwards, so that the limiting rod is separated from the screening net, the screening nets of different specifications are convenient to install, detach and replace, and the proportion of fine particle levels in sand is improved.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.

FIG. 1 is a schematic structural view of a crushing structure for increasing the proportion of fine fraction in fine sand according to a first embodiment of the present utility model.

Fig. 2 is a schematic diagram showing the connection of the stop lever and the fixed block according to the first embodiment of the present utility model.

Fig. 3 is a schematic view showing the connection of the stop lever and the knob according to the second embodiment of the present utility model.

In the figure: 100-organism, 101-crushing case, 102-crushing subassembly, 103-mount pad, 104-screening net, 105-gag lever post, 106-inclined plane, 107-fixed block, 108-spring, 109-stopper, 210-knob, 211-bar piece.

Detailed Description

The following detailed description of embodiments of the utility model, examples of which are illustrated in the accompanying drawings and, by way of example, are intended to be illustrative, and not to be construed as limiting, of the utility model.

First embodiment:

referring to fig. 1 and 2, fig. 1 is a schematic structural view of a crushing structure for increasing the proportion of fine grains in fine sand according to a first embodiment of the present utility model, and fig. 2 is a schematic connecting view of a stop lever and a fixed block according to a first embodiment of the present utility model.

The utility model provides a crushing structure for improving the proportion of fine fraction in fine sand, which comprises the following steps: including organism 100, crushing case 101, crushing subassembly 102 and screening subassembly, the screening subassembly includes mount pad 103, screening net 104, gag lever post 105 and spacing component, gag lever post 105 has inclined plane 106, spacing component includes fixed block 107, spring 108 and stopper 109. The problem of the present haydite sand production with having broken structure of description in the background art when using through above-mentioned scheme has been solved, because its screening net direct fixed mounting is on the inner wall of organism, be inconvenient for changing the dismantlement to the screening net fast, in order to reach the screening net of changing different specifications, improve the purpose of fine fraction proportion in the sand, it can be understood simultaneously that above-mentioned scheme not only can be used for installing fast or dismantle the scene of changing the screening net, can also be used for blocking the structure, prevent on the problem solution that the gag lever post resets.

For the present embodiment, the crushing box 101 is mounted on a side wall of the machine body 100, and the crushing assembly 102 is disposed at a bottom of the machine body 100. Install on the inside wall of organism 100 broken case 101, be provided with broken subassembly on the broken case 101 for carry out crushing work to garrulous bauxite, be provided with on the bottom inner wall of organism 100 smash subassembly 102, smash subassembly 102 and be used for garrulous bauxite to grind the work, improve the crushing effect to garrulous bauxite, transfer mechanism is still installed at the top of organism 100 for transfer powder bauxite, wherein broken subassembly smash subassembly 102 and transfer mechanism's structure and theory of operation are prior art, do not make excessive redundant description here.

The installation seat 103 is fixedly connected with the machine body 100 and is positioned at one side of the machine body 100, which is close to the crushing box 101, the screening net 104 is detachably connected with the installation seat 103, the limiting rod 105 is slidably connected with the installation seat 103 and is positioned at one side of the installation seat 103, which is close to the screening net 104, and the limiting member is arranged on the installation seat 103; the inclined surface 106 is positioned on one side of the limit bar 105 close to the screening net 104. Install on the left and right sides inside wall of organism 100 mount pad 103, mount pad 103 is the U-shaped, two insert between the mount pad 103 be equipped with screening net 104, screening net 104's below is the arc for improve the area of contact with the powder bauxite, be convenient for improve screening efficiency, the below of mount pad 103 is inserted and is equipped with gag lever post 105, the top of gag lever post 105 has inclined plane 106, through gag lever post 105 with spacing member cooperation will screening net 104 is fixed on the mount pad 103, thereby be convenient for install and dismantle change different specification screening net 104 improves fine fraction proportion in the sand.

Secondly, the fixing block 107 is fixedly connected with the limiting rod 105 and is located at the outer side of the limiting rod 105; the spring 108 is sleeved outside the limiting rod 105 and is located below the fixing block 107. The limiting rod 105 is located in the mounting seat 103, the fixing block 107 is installed in the mounting seat, and two ends of the spring 108 are respectively fixed with the fixing block 107 and the mounting seat 103 and sleeved on the outer side of the limiting rod 105.

Finally, the limiting block 109 is fixedly connected with the mounting seat 103, and is located at one side of the mounting seat 103, which is close to the limiting rod 105. The mounting seat 103 is provided with the stopper 109 near the stop lever 105, the stopper 109 cooperates with a groove on the outer side of the stop lever 105 to limit the stop lever 105, so that the stop lever 105 can only slide up and down and cannot rotate, and the inclined plane 106 is kept in front, so that the stop lever 105 is convenient for limiting the screening net 104.

When the crushing structure for improving the proportion of fine grains in fine sand is used, during installation of the screening net 104, the screening net 104 is inserted into the groove of the installation seat 103, the screening net 104 contacts the inclined surface 106 during sliding installation and presses the limiting rod 105, the limiting rod 105 is pressed downwards, the spring 108 is pressed through the fixing block 107, when the limiting rod 105 is aligned with the limiting hole at the bottom of the screening net 104, the deformation of the spring 108 pushes the fixing block 107 to move, the upper end of the limiting rod 105 is driven to be inserted into the screening net 104, and therefore the screening net 104 is fixed on the installation seat 103, and installation of the screening net 104 is completed; when the screening net 104 needs to be disassembled, only the limiting rod 105 is required to be moved downwards, so that the limiting rod 105 is separated from the screening net 104, the screening nets 104 with different specifications are convenient to install, disassemble and replace, and the proportion of fine particles in sand is improved.

Second embodiment:

referring to fig. 3 on the basis of the first embodiment, fig. 3 is a schematic diagram showing connection between a stop lever and a knob according to a second embodiment of the present utility model.

The utility model provides a crushing structure for improving the proportion of fine grains in fine sand, which also comprises a blocking assembly, wherein the blocking assembly comprises a knob 210 and a strip block 211.

For the present embodiment, the knob 210 is fixedly connected to the stop lever 105 and is located below the mounting seat 103; the bar 211 is fixedly connected with the knob 210 and is located at the outer side of the knob 210. The lower end of the limiting rod 105 is in threaded connection with the knob 210, and a plurality of strip-shaped blocks 211 are arranged on the outer side circumference of the knob 210 in an array.

When the crushing structure for improving the proportion of fine grains in fine sand is used, when the limiting rod 105 moves downwards to detach the screening net 104, the knob 210 rotates to abut against the bottom of the mounting seat 103, so that the limiting rod 105 is prevented from resetting, the screening net 104 is prevented from moving, the screening net 104 is convenient to detach, the knob 210 is convenient to rotate through the bar block 211, and sliding is prevented when the knob 210 is rotated.

The foregoing disclosure is only illustrative of one or more preferred embodiments of the present application and is not intended to limit the scope of the claims hereof, as it is to be understood by those skilled in the art that all or part of the process of implementing the described embodiment may be practiced otherwise than as specifically described and illustrated by the appended claims.

Claims (5)

1. The crushing structure for improving the proportion of fine particle fraction in fine sand comprises a machine body, a crushing box and a crushing assembly, wherein the crushing box is arranged on the side wall of the machine body, the crushing assembly is arranged at the bottom of the machine body,

also included is a screening assembly that includes a screen assembly,

the screening assembly comprises a mounting seat, a screening net, a limiting rod and a limiting member, wherein the mounting seat is fixedly connected with the machine body and is positioned on one side of the machine body, which is close to the crushing box, the screening net is detachably connected with the mounting seat, the limiting rod is slidably connected with the mounting seat and is positioned on one side of the mounting seat, which is close to the screening net, and the limiting member is arranged on the mounting seat.

2. The crushing structure for increasing the proportion of fine fraction in fine sand according to claim 1, wherein,

the limiting rod is provided with an inclined plane, and the inclined plane is positioned on one side of the limiting rod, which is close to the screening net.

3. The crushing structure for increasing the proportion of fine fraction in fine sand according to claim 1, wherein,

the limiting member comprises a fixed block and a spring, wherein the fixed block is fixedly connected with the limiting rod and is positioned at the outer side of the limiting rod; the spring is sleeved on the outer side of the limiting rod and is positioned below the fixed block.

4. A crushing structure for increasing the proportion of fine fraction in fine sand according to claim 3,

the limiting member further comprises a limiting block, wherein the limiting block is fixedly connected with the mounting seat and is positioned on one side, close to the limiting rod, of the mounting seat.

5. The crushing structure for increasing the proportion of fine fraction in fine sand according to claim 1, wherein,

the crushing structure for improving the proportion of fine grains in the fine sand further comprises a blocking assembly, wherein the blocking assembly comprises a knob and a bar block, and the knob is fixedly connected with the limiting rod and is positioned below the mounting seat; the strip-shaped block is fixedly connected with the knob and is positioned at the outer side of the knob.

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