CN210045528U

CN210045528U - Sand and stone screening machine

Info

Publication number: CN210045528U
Application number: CN201920821593.6U
Authority: CN
Inventors: 胡永树
Original assignee: YICHANG HUALIN CEMENT Co Ltd
Current assignee: YICHANG HUALIN CEMENT Co Ltd
Priority date: 2019-05-31
Filing date: 2019-05-31
Publication date: 2020-02-11
Anticipated expiration: 2029-05-31

Abstract

The utility model provides a grit divides screen (ing) machine, include: the automatic material collecting device comprises a box body and a material collecting device, wherein a screening mechanism is arranged in the box body, the material collecting device is communicated with the box body, the bottom of the box body is connected onto a supporting plate through a supporting device, and the supporting device comprises two first supporting legs which are hinged and a second supporting leg which is hinged at the bottom of the box body and can lift; the second supporting leg comprises a connecting rod, a connecting block, a lifting screw and a connecting sleeve, the connecting rod is connected between the box body and the connecting block, the lifting screw is rotatably connected in the connecting sleeve fixed on the supporting plate, and the lifting screw penetrates through the connecting block in threaded fit, so that the connecting block can move up and down together with the connecting rod after the lifting screw is screwed. The bottom of the box body of the screening machine provided by the utility model is connected with a second supporting leg which can be lifted, thus being convenient for screening raw materials with different grain diameters; the utility model discloses it has the dodge gate of being convenient for to take off still to design in the box side, is convenient for open and close, and convenient operation connects reliably.

Description

Sand and stone screening machine

Technical Field

The utility model relates to an used equipment field of cement manufacture, concretely relates to grit divides screen (ing) machine.

Background

In the cement production process, raw materials are required to be sieved to remove impurity components.

The device used in the process is a screening machine, the operation principle of the screening machine is that the vibration of a vibration motor is used as a vibration source, materials are thrown up on a screen and move towards the discharging direction, the materials enter a feeding hole of the screening machine, oversize products and undersize products with various specifications (particle sizes) are generated through a plurality of layers of screen meshes and are respectively discharged from respective outlets, and fine sand after filtration falls to the lower part of a box body of the screening machine and is used for synthesizing raw materials in the next process.

The existing screening machine has the defects that the screening mechanism is obliquely arranged inside the screening machine box body, the inclination angle of the screening mechanism is not adjustable, the result difference of the raw materials with different particle sizes after screening is strong, meanwhile, the filtered fine sand falls to the inner bottom of the box body, and the box body angle cannot be adjusted, so that a lot of fine sand remains in the box body, and the operator cannot take out the inside fine sand.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem that the current screening machine leads to the unsatisfactory effect of screening owing to can not angle regulation make the raw materials of screening different particle diameters, to the above-mentioned not enough and provide a grit screening machine that exists among the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a sand screener comprising: the automatic material collecting device comprises a box body and a material collecting device, wherein a screening mechanism is arranged in the box body, the material collecting device is communicated with the box body, the bottom of the box body is connected onto a supporting plate through a supporting device, and the supporting device comprises two first supporting legs which are hinged and a second supporting leg which is hinged at the bottom of the box body and can lift;

the second supporting leg comprises a connecting rod, a connecting block, a lifting screw and a connecting sleeve, the connecting rod is connected between the box body and the connecting block, the lifting screw is rotatably connected in the connecting sleeve fixed on the supporting plate, and the lifting screw penetrates through the connecting block in threaded fit, so that the connecting block can move up and down together with the connecting rod after the lifting screw is screwed.

Further, the connecting rod is in clearance fit with the connecting block and can only do rotary motion under the limitation of the connecting block.

Furthermore, a detachable movable door is connected to the side face of the box body, and the movable door comprises a rotating screw rod, a clamping pin and a spring;

the rotating screw rod vertically extends into the mounting cavity formed in the mounting part, the rotating screw rod is in threaded connection with the mounting part, the two clamping pins are distributed on two sides of the end part of the rotating screw rod in the mounting cavity, one ends of the clamping pins, far away from the rotating screw rod, extend out of the mounting cavity, so that the clamping pins on two sides can be driven to be far away from each other after the rotating screw rod rotates, and clamping holes are formed in the end parts, located outside the mounting cavity, of the clamping pins to be clamped on the box body; the two springs are respectively connected to one side of the clamping pin, so that the clamping pins can approach each other under the action of the springs after the rotating screw rod is screwed reversely.

Further, the rotating screw rod further comprises a conical pushing head, the pushing head is fixed to the end portion of the rotating screw rod, and the end portions of the two clamping pins are in inclined surface contact with the pushing head, so that the two clamping pins can move on the surface of the pushing head after the rotating screw rod moves.

Furthermore, limiting pieces used for limiting the clamping pin to be separated from the pushing head are mounted on two sides of the pushing head.

Furthermore, a nut in threaded connection with the rotating screw is fixed on the mounting portion.

Further, a rubber pad is arranged on the surface of one face, in contact with the box body, of the mounting portion.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model provides a screening machine bottom of the box body is connected with the second supporting leg which can be lifted, so that the screening mechanism which is designed to be inclined in the box body can change the inclination angle by adjusting the height of the second supporting leg, thus being convenient for screening raw materials with different grain diameters, and meanwhile, the second supporting leg is adjusted after screening is completed, so that the fine sand at the bottom of the box body can be taken out from the box body conveniently;

the utility model discloses still there is the dodge gate that is convenient for to take off in the design of box side, and the dodge gate is connected with the box through two chucking round pins, has avoided traditional branch sieve machine box whole to produce the vibration and the condition that the dodge gate that leads to opened in the course of the work, just the utility model discloses a dodge gate is convenient for open and close, and convenient operation connects reliably.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

FIG. 1 is a schematic view of the entire screening machine;

FIG. 2 is a top view of the support device;

FIG. 3 is a schematic view of a second support leg;

fig. 4 is a sectional view of the shutter.

The reference signs are: the automatic material collecting device comprises a box body 1, a first supporting leg 11, a second supporting leg 12, a connecting rod 121, a connecting block 122, a lifting screw 123, a connecting sleeve 124, a movable door 13, a rotating screw 131, a clamping pin 132, a clamping hole 1321, a spring 133, a pushing head 134, an installing part 135, an installing cavity 1351, a nut 136, a limiting sheet 137, a screening mechanism 2, a feeding hopper 3, a material collecting device 4 and a supporting plate 5.

Detailed Description

In order to make the utility model realize that technical means, creation characteristics, achievement purpose and effect are clearer and easily understand, it is right to combine below the figure and the detailed implementation mode the utility model discloses do further explanation:

a sand screener, as shown in figure 1, comprising: inside is provided with the box 1 that divides sieve mechanism 2 and the material collecting device 4 with box 1 intercommunication, and material collecting device 4 is fixed with feeder hopper 3 according to the 2 quantity of branch sieve mechanism of 1 internally mounted of box, 1 upper portion of box, and this is no longer repeated for prior art. 1 bottom of box is connected in backup pad 5 through strutting arrangement, strutting arrangement includes two first supporting legs of articulated 11 and articulates in the second supporting leg 12 of the liftable of 1 bottom of box, the line between two first supporting legs 11 and the 12 three of second supporting leg is equilateral triangle shape, can make box 1 rotate around two first supporting legs 11 through lift second supporting leg 12 like this, 1 internally mounted of box has the branch sieve mechanism 2 of slope, like this when the high back that changes second supporting leg 12, alright change 1 inside branch sieve mechanism 2's of box inclination, make the particle diameter difference less, can stop a period more on dividing sieve mechanism 2, it is better to be convenient for divide the sieve effect.

As shown in fig. 2 and 3, the second support leg 12 includes a connecting rod 121, a connecting block 122, a lifting screw 123 and a connecting sleeve 124, the connecting rod 121 is connected between the box body 1 and the connecting block 122, the lifting screw 123 is rotatably connected in the connecting sleeve 124 fixed on the support plate 5, the upper end of the lifting screw 123 can be screwed by a wrench, and the lifting screw 123 passes through the connecting block 122 with a screw thread fit, so that the connecting block 122 can move up and down together with the connecting rod 121 after the lifting screw 123 is screwed; in this embodiment, the operator moves the connecting block 122 up and down by screwing the upper end of the screw, so that the connecting rod 121 supports the case 1 to rotate about the two first support legs 11 since the connecting rod 121 is connected to the connecting block 122.

Further, the connecting rod 121 and the connecting block 122 are in clearance fit, and the connecting rod 121 can only rotate under the limitation of the connecting block 122, specifically, the connecting rod 121 extends into a hole formed in the connecting block 122, and the connecting rod 121 can only rotate in the hole, so that when the screening machine works, the connecting rod 121 and the connecting block 122 are movably connected, and the connecting block 122 and the connecting rod 121 are prevented from being damaged due to vibration.

Further, a detachable movable door 13 is connected to a side surface of the box body 1, and the movable door 13 includes a rotating screw 131, a chucking pin 132, and a spring 133; the dodge gate 13 of current branch sieve machine box 1 side is articulated with box 1, though simple structure like this, but after the branch sieve machine work, because the vibration of box 1 leads to dodge gate 13 often automatic opening to as for the fine sand of box 1 inner bottom flows ground, the dodge gate 13 that this embodiment provided is more reliable firm with box 1 connected mode.

The rotating screw 131 vertically extends into the installation cavity 1351 formed in the installation part 135, the rotating screw 131 is in threaded connection with the installation part 135, two clamping pins 132 are distributed on two sides of the end part of the rotating screw 131 in the installation cavity 1351, one end of each clamping pin 132, which is far away from the rotating screw 131, extends out of the installation cavity 1351, so that the rotating screw 131 can drive the clamping pins 132 on two sides to be far away from each other after rotating, and the end part of each clamping pin 132, which is far away from the installation cavity 1351, is provided with a clamping hole 1321 for clamping on the box body 1; the two springs 133 are connected to one side of the chucking pin 132, respectively, and one end of the spring 133 is connected to the chucking pin 132 and the other end thereof is in contact with the inner wall of the mounting chamber 1351, so that the chucking pins 132 can approach each other by the spring 133 when the screw 131 is rotated in the reverse direction. At the door frame department that box 1 seted up, both sides are outstanding to have the arch, and the arch can block in the chucking hole 1321 of seting up on chucking round pin 132, when chucking round pin 132 was kept away from each other, can block into in the arch can block into chucking hole 1321, and the arch then breaks away from chucking hole 1321 when chucking round pin 132 was close to each other.

Further, the rotating screw 131 further comprises a conical pushing head 134, the pushing head 134 is fixed at the end of the rotating screw 131, the ends of the two clamping pins 132 are in inclined contact with the pushing head 134, so that the two clamping pins 132 can move on the surface of the pushing head 134 after the rotating screw 131 moves, and this embodiment provides a specific way that the rotating screw 131 drives the clamping pins 132 at both sides to move.

Furthermore, the two sides of the pushing head 134 are provided with a limiting piece 137 for limiting the separation of the clamping pin 132 and the pushing head 134, the limiting piece 137 is located at the two ends of the tapered pushing head 134, and when the clamping pin 132 moves on the surface of the pushing head 134, the clamping pin 132 can be prevented from separating from the pushing head 134 under the limitation of the limiting piece 137.

Further, a nut 136 threadedly coupled to the rotary screw 131 is fixed to the mounting portion 135.

Further, the surface of the installation part 135, which is in contact with the box body 1, is provided with a rubber pad, so that the rubber pad is arranged between the installation part and the box body 1, and the connection can be more tightly realized to prevent fine sand from flowing out of the box body 1.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. A sand screener comprising: the automatic material collecting device is characterized in that the supporting device comprises two first supporting legs which are hinged and a second supporting leg which is hinged at the bottom of the box body and can be lifted;

2. A sand and gravel separator as claimed in claim 1, wherein the connecting rod is a clearance fit with the connecting block and is constrained by the connecting block so that the connecting rod can only move rotationally.

3. The sand and stone separator according to claim 1, wherein a detachable movable door is connected to the side of the box body, and the movable door comprises a rotating screw, a clamping pin and a spring;

4. The sand and stone separator according to claim 3, wherein said rotating screw further comprises a tapered pushing head fixed to the end of the rotating screw, the ends of both said clamping pins contacting the inclined surface of the pushing head, so that the clamping pins can move on the surface of the pushing head after the rotating screw moves.

5. The sand and stone separator according to claim 4, wherein, limiting pieces for limiting the separation of the clamping pin and the pushing head are arranged on two sides of the pushing head.

6. A sand and stone separator according to claim 3, wherein a nut is secured to the mounting portion for threaded engagement with the rotatable screw.

7. The sand and stone separator according to claim 6, wherein a rubber pad is mounted on the surface of the mounting portion contacting the box body.