CN113019895B - Mine material screening machine - Google Patents

Abstract

The invention discloses a mine material sieving machine, which comprises a material inlet, a box body, supporting legs and a material outlet, wherein the top of the box body is provided with the material inlet, the bottom of one side of the box body is provided with the material outlet, the bottom of the box body is fixedly provided with the supporting legs, the top of the box body is provided with a second sieve plate, the periphery of the edge of the second sieve plate is fixedly provided with a baffle plate, a first sieve plate is arranged in the box body, the middle of one side of the box body is provided with a waste material outlet, the bottom of the first sieve plate is provided with a sieve cavity, the bottom of the box body is provided with an excitation mechanism capable of driving the sieve plate to swing up and down to generate vibration, the excitation mechanism drives the sieve plate to realize high-efficiency sieving, under the action of a rotary groove, a contact plate drives the second sieve plate to shake up and down through a sliding column to complete first-stage sieving, and under the action of a U-shaped sleeve, the shaking plate drives the first sieve plate to vibrate and sieve plate, thereby realizing the vibration generated by the up-and-down swing and improving the screening efficiency.

Description

A mine screening machine

technical field

The invention relates to the technical field of mining, in particular to a mine screening machine.

Background technique

Mine screening machine is a vibrating screening mechanical equipment that makes use of the relative movement of the bulk material and the screen surface to make part of the particles pass through the screen holes, and divide the sand, gravel, crushed stone and other materials into different grades according to the particle size.

Most of the existing mine screeners have complex technical structure, high cost and low work efficiency. Some screeners are too large in size, which will inevitably cause troubles during work. For this reason, we propose a mine screener.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a mine screener that is small in size, high in work efficiency and easy to carry, so as to solve the problems raised in the above-mentioned background art.

In order to achieve the above purpose, the present invention provides the following technical solutions: a mine screening machine, comprising a feeding port, a box body, a support leg and a discharging port, the top of the box body is provided with a feeding port, and the box body is one A discharge port is opened at the bottom of the side, a support leg is fixed at the bottom of the box body, a second sieve plate is arranged on the top of the box body, a baffle plate is fixed around the edge of the second sieve plate, and a baffle plate is fixed inside the box body. The first sieve plate has a waste port in the middle of one side of the box body, a sieve cavity is opened at the bottom of the first sieve plate, and a vibration excitation mechanism is arranged at the bottom of the box body that can drive the sieve plate to swing up and down to generate vibration.

Preferably, the vibration excitation mechanism includes a flexible sleeve, a rotating groove, a rotating shaft, an extension plate, a first boss, a sheave, a groove sleeve, a support rod, a right-angle grooved rod, a second boss, a slider, a connecting column, a U A shape sleeve, a rotating rod, a positioning frame, a fixing frame and a motor, a fixing frame is arranged on the side of the bottom of the box away from the support legs, a motor is arranged at the upper end of the fixing frame, a rotating shaft is arranged at the top of the fixing frame, and the rotating shaft It is connected to the motor through the fixed frame in rotation, the middle of the shaft is provided with a sheave, one side of the sheave is fixed with a groove sleeve, the end of the shaft away from the fixed frame is fixed with a turning groove, and both ends of the turning groove are provided with There is a flexible sleeve, an extension plate is fixed on the side of the rotating groove close to the rotating shaft, one end of the extension plate is fixed with a first boss, and the end of the first boss away from the extension plate is provided with a right-angle slot rod. One end of the groove rod is fixed with a support rod, and the support rod and the groove sleeve are slidingly clamped. The second boss is slidably connected to one end of the right-angle slot rod, the other side of the slider is provided with a connecting column, the other end of the connecting column is provided with a U-shaped sleeve, and the bottom of the box is provided with a connecting column. A positioning frame, the top of the positioning frame is provided with a rotating rod, and the U-shaped sleeve and the rotating rod are rotatably connected.

Preferably, the top of the fixing frame is provided with an adjusting screw, one end of the adjusting screw passing through the fixing frame is fixed with a knob, and the other end of the adjusting screw is connected with an adjusting wheel through a thread, and the adjusting wheel and the sheave are rotating clamps. catch.

Preferably, the top of the U-shaped sleeve is provided with a clamping plate, the top of the clamping plate is provided with a shaking plate, and the shaking plate is fixedly connected to the bottom of the first sieve plate through the bottom of the box.

Preferably, a fixing block is fixed on one side of the baffle plate, a connecting block is fixed on one side of the box body, a sliding column is fixed on the bottom of the two fixing blocks, and the two sliding columns pass through one end of the connecting block A contact plate is fixed, and the sliding column and the connecting block are slidingly inserted.

Preferably, a rotating brush is fixed on the top of the rotating rod.

Compared with the prior art, the beneficial effects of the present invention are:

When the device of the present invention is used, under the action of the excitation mechanism, the excitation mechanism drives the sieve plate to achieve high-efficiency screening, under the action of the motor, the rotating shaft is driven to rotate, and the rotating shaft drives the rotating slot to rotate, and under the action of the rotating slot, the The contact plate drives the second sieve plate to shake up and down through the sliding column to complete the first-stage screening. When the rotary groove rotates, the sliding block that slides and snaps also rotates, and then drives the U-shaped sleeve to swing up and down, left and right, in the role of the U-shaped sleeve. down, so that the shaking plate drives the first sieve plate to vibrate and screen, so as to realize the vibration generated by the up and down swing, and improve the screening efficiency;

Under the action of the adjusting wheel, when the knob is turned, when the adjusting wheel moves to the left with the sheave and the grooved sleeve, the right-angle grooved rod will rotate clockwise, and the slider will move up, and the swing of the U-shaped sleeve will be reduced. , that is, the amplitude adjustment is completed, so that the device can adjust the amplitude as needed during screening;

Under the action of the rotating brush, the first is that the sieve plate is cleaned in time to prevent its holes from being blocked and affecting the sieve material.

Description of drawings

Fig. 1 is one of the schematic diagrams of the overall structure of the present invention;

2 is the second schematic diagram of the overall structure of the present invention;

Fig. 3 is the third schematic diagram of the overall structure of the present invention;

4 is a schematic structural diagram of a contact plate of the present invention;

Fig. 5 is one of the structural schematic diagrams of the excitation mechanism of the present invention;

Fig. 6 is the second schematic diagram of the structure of the excitation mechanism of the present invention;

FIG. 7 is a schematic diagram of the structure of the rotating brush according to the present invention.

In the figure: 1. Feeding port; 11. Baffle plate; 12. Box body; 13. Supporting leg; 14. Fixed block; 15. Connecting block; 16. Sliding column; 17. Contact plate; 2. The first sieve plate; 21, the second sieve plate; 22, the waste port; 23, the sieve cavity; 3, the shaking plate; 31, the clamping plate; 4, the excitation mechanism; 41, the flexible sleeve; 43, rotating shaft; 44, extension plate; 45, first boss; 46, sheave; 47, groove sleeve; 48, strut; 49, right-angle groove rod; 411, second boss; 412, slider; 413 , connecting column; 414, U-shaped sleeve; 415, rotating rod; 416, positioning frame; 421, adjusting wheel; 422, adjusting screw; 423, knob; 424, fixing frame; 425, motor; 5, rotating brush.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Please refer to FIG. 1 and FIG. 2 , a mine screening machine in the illustration includes a feeding port 1 , a box body 12 , a supporting leg 13 and a discharging port 18 , and the top of the box body 12 is provided with a feeding port 1 . , the bottom of the box body 12 is provided with a discharge port 18, and the bottom of the box body 12 is fixed with a support leg 13. When using the device, the user pours soil material from the feed port 1, and screens the soil material that has been completed. It will be discharged from the discharge port 18.

Please refer to FIGS. 1 and 3 , the top of the box body 12 is provided with a second sieve plate 21 , the baffles 11 are fixed around the edge of the second sieve plate 21 , and the box body 12 is provided with a first sieve plate 2 inside , a waste port 22 is opened in the middle of one side of the box body 12, a sieve cavity 23 is opened at the bottom of the first sieve plate 2, and a vibration excitation mechanism 4 that can drive the sieve plate to swing up and down is arranged at the bottom of the box body 12 to generate vibration. , when the user pours soil material from the feeding port 1, the baffle 11 can restrict the soil material from falling to the outside, and when the soil material falls from the second sieve plate 21 to the first sieve plate 2, suitable soil The material will continue to fall into the sieve cavity 23, and those that do not conform will be discharged from the waste port 22. Under the action of the excitation mechanism 4, the first sieve plate 2 and the second sieve plate 21 will vibrate to complete the screening. .

Please refer to FIG. 5 and FIG. 6 , the vibration excitation mechanism 4 includes a flexible sleeve 41 , a rotating groove 42 , a rotating shaft 43 , an extension plate 44 , a first boss 45 , a sheave 46 , a groove sleeve 47 , a support rod 48 , and a right-angle groove Rod 49 , second boss 411 , slider 412 , connecting column 413 , U-shaped sleeve 414 , rotating rod 415 , positioning frame 416 , fixing frame 424 and motor 425 , the bottom of the box 12 is away from the side of the supporting leg 13 A fixing frame 424 is provided, the upper end of the fixing frame 424 is provided with a motor 425, the top of the fixing frame 424 is provided with a rotating shaft 43, and the rotating shaft 43 passes through the fixing frame 424 and is rotatably connected with the motor 425, and a groove is provided in the middle of the rotating shaft 43 Wheel 46, a groove sleeve 47 is fixed on one side of the sheave 46, a rotating groove 42 is fixed on the end of the rotating shaft 43 away from the fixing frame 424, and flexible sleeves 41 are provided on both ends of the rotating groove 42. The rotating groove 42 An extension plate 44 is fixed on the side close to the rotating shaft 43, a first boss 45 is fixed at one end of the extension plate 44, and a right-angled slot rod 49 is arranged at the end of the first boss 45 away from the extension plate 44. One end of the groove rod 49 is fixed with a support rod 48, and the support rod 48 and the groove sleeve 47 are slidably connected to each other. A second boss 411 is fixed on one side of the slider 412, and the second boss 411 is slidably connected to one end of the right-angled slot rod 49. The other side of the slider 412 is provided with a connecting column 413. The other end is provided with a U-shaped sleeve 414, the bottom of the box body 12 is provided with a positioning frame 416, and the top of the positioning frame 416 is provided with a rotating rod 415. The U-shaped sleeve 414 and the rotating rod 415 are rotatably connected. Under the action of 416 and the fixing frame 424, the entire vibration excitation mechanism 4 can run smoothly. Under the action of the motor 425, the rotating shaft 43 is driven to rotate, so that the entire mechanism is operated. When the rotating shaft 43 drives the rotating groove 42 to rotate, the sliding The block 412 also rotates and moves along with the rotating slot 42, so that the U-shaped sleeve 414 swings up and down to play the role of vibration.

Please refer to FIG. 5 and FIG. 6 , the top of the fixing frame 424 is provided with an adjusting screw 422 , one end of the adjusting screw 422 passing through the fixing frame 424 is fixed with a knob 423 , and the other end of the adjusting screw 422 is threadedly connected with an adjusting screw wheel 421, and the adjusting wheel 421 and the sheave 46 are connected for rotation, and the adjustment wheel 421 can be adjusted by rotating the knob 423 to complete the amplitude adjustment.

Please refer to FIG. 3 , the top of the U-shaped sleeve 414 is provided with a clamping plate 31 , the top of the clamping plate 31 is provided with a shaking plate 3 , and the shaking plate 3 is fixedly connected to the bottom of the first sieve plate 2 through the bottom of the box body 12 , Under the action of the shaking plate 3, the U-shaped sleeve 414 swings up and down to drive the shaking plate 3 to vibrate, so that the first sieve plate 2 vibrates.

Please refer to FIG. 4 , a fixing block 14 is fixed on one side of the baffle 11 , a connecting block 15 is fixed on one side of the box body 12 , and a sliding column 16 is fixed on the bottom of the two fixing blocks 14 . One end of the sliding column 16 passing through the connecting block 15 is fixed with the contact plate 17, and the sliding column 16 and the connecting block 15 are slidably inserted. The second screen plate 21 performs vibration screening.

Please refer to FIG. 7 , a rotating brush 5 is fixed on the top of the rotating rod 415. With the reciprocating rotation of the rotating rod 415, the rotating brush 5 is driven to rotate, so that the first sieve plate 2 can be cleaned in time to prevent its holes from being blocked and affecting the screen material. .

In this solution, when the device is in use, the motor 425 is turned on, the motor 425 drives the rotating shaft 43 to rotate, and the rotating groove 42 also rotates along with it. The sleeve 41 is in contact, so that the contact plate 17 drives the second sieve plate 21 to shake up and down through the sliding column 16 to complete the first-stage screening. When the rotary groove 42 rotates, the sliding block 412 also rotates, and then drives the U-shaped sleeve. 414 swings up and down, left and right, at this time, the shaking plate 3 above the U-shaped sleeve 414 will also shake up and down, thereby driving the first screen plate 2 to perform vibration screening. At the same time, the rotating brush 5 at the top of the rotating rod 415 is driven to rotate, so that the first sieve plate 2 can be cleaned in time to prevent its holes from being blocked and affecting the screen material. When the screen material passes through the first screen plate 2, the corresponding screen material will fall into the The screen cavity 23 below, the bottom of the screen cavity 23 is inclined, and then the screen material will be automatically discharged from the discharge port 18. When there is a non-conforming screen material, the screen material remaining on the first screen plate 2 will be removed from the waste. When the knob 423 is turned, the adjusting wheel 421 moves to the left with the sheave 46 and the groove sleeve 47, the right-angle groove rod 49 rotates clockwise, the slider 412 moves upward, and the swing range of the U-shaped sleeve will decrease, that is, the amplitude adjustment is completed.

It should be noted that, in this document, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any relationship between these entities or operations. any such actual relationship or sequence exists. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass non-exclusive inclusion such that a process, method, article or device comprising a list of elements includes not only those elements, but also includes not explicitly listed or other elements inherent to such a process, method, article or apparatus.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, and substitutions can be made in these embodiments without departing from the principle and spirit of the invention and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (7)

1. A mine screening machine, comprising a feeding port (1), a box body (12), a support leg (13) and a discharging port (18), and the top of the box body (12) is provided with a feeding port ( 1), a discharge port (18) is opened at the bottom of one side of the box body (12), and a support leg (13) is fixed at the bottom of the box body (12), which is characterized in that: the top of the box body (12) A second sieve plate (21) is provided, a baffle plate (11) is fixed around the edge of the second sieve plate (21), and a first sieve plate (2) is arranged inside the box body (12). A waste port (22) is opened in the middle of one side of the body (12), a sieve cavity (23) is opened at the bottom of the first sieve plate (2), and a bottom of the box body (12) is provided with a sieve plate that can be driven to swing up and down. Vibration excitation mechanism (4); the vibration excitation mechanism (4) comprises a flexible sleeve (41), a rotating groove (42), a rotating shaft (43), an extension plate (44), a first boss (45), a groove Wheel (46), grooved sleeve (47), support rod (48), right-angle grooved rod (49), second boss (411), slider (412), connecting column (413), U-shaped sleeve (414) , rotating rod (415), positioning frame (416), fixing frame (424) and motor (425). A motor (425) is arranged at the upper end of the fixing frame (424), a rotating shaft (43) is arranged at the top of the fixing frame (424), and the rotating shaft (43) passes through the fixing frame (424) and is rotatably connected with the motor (425), so A sheave (46) is arranged in the middle of the rotating shaft (43), a groove sleeve (47) is fixed on one side of the sheave (46), and a rotating groove (47) is fixed at one end of the rotating shaft (43) away from the fixing frame (424). 42), both ends of the rotating groove (42) are provided with flexible sleeves (41), and an extension plate (44) is fixed on the side of the rotating groove (42) close to the rotating shaft (43), and the extension plate (44) ) is fixed with a first boss (45) at one end, the end of the first boss (45) away from the extension plate (44) is provided with a right-angled slotted rod (49), and one end of the right-angled slotted rod (49) is fixed with a support A rod (48), and the support rod (48) and the groove sleeve (47) are sliding and snap-connected, a sliding block (412) is provided inside the rotating groove (42), and the sliding block (412) and the rotating groove (42) For sliding and clamping, a second boss (411) is fixed on one side of the slider (412), and the second boss (411) is slidably engaged with one end of the right-angled slot rod (49). The other side of the box (12) is provided with a connecting column (413), the other end of the connecting column (413) is provided with a U-shaped sleeve (414), the bottom of the box (12) is provided with a positioning frame (416), the The top of the positioning frame (416) is provided with a rotating rod (415), and the U-shaped sleeve (414) and the rotating rod (415) are rotatably connected. 2. A mine screening machine according to claim 1, characterized in that: the top of the fixing frame (424) is provided with an adjusting screw (422), and the adjusting screw (422) passes through the fixing frame (424) A knob (423) is fixed at one end of the adjusting screw (422), and an adjusting wheel (421) is threadedly connected to the other end of the adjusting screw (422). 3. The mine screening machine according to claim 1, characterized in that: a clamping plate (31) is provided on the top of the U-shaped sleeve (414), and a shaking plate (31) is provided on the top of the clamping plate (31). 3). 4. A mine screening machine according to claim 1, characterized in that: a fixing block (14) is fixed on one side of the baffle plate (11), and a connecting block is fixed on one side of the box body (12). (15), a sliding column (16) is fixed on the bottom of the two fixing blocks (14), and a contact plate (17) is fixed on one end of the two sliding columns (16) passing through the connecting block (15). 5 . The mine screener according to claim 1 , wherein a rotating brush ( 5 ) is fixed on the top of the rotating rod ( 415 ). 6 . 6 . The mine screening machine according to claim 3 , wherein the shaking plate ( 3 ) passes through the bottom of the box body ( 12 ) and is fixedly connected to the bottom of the first screen plate ( 2 ). 7 . 7 . The mine screening machine according to claim 4 , wherein the sliding column ( 16 ) and the connecting block ( 15 ) are slidingly plugged. 8 .

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