Linear vibrating screen convenient for layered sand filtering
Technical Field
The utility model relates to the technical field of linear vibrating screens, in particular to a linear vibrating screen convenient for layered sand filtering.
Background
The linear vibrating screen is one kind of sieving equipment for sieving granule, powder and other material, and is used widely in mine, metallurgy, chemical industry, building material, food and other industry, the two vibrating motors synchronously rotate in opposite directions to drive the eccentric blocks to generate exciting force so as to drive the screen to vibrate reciprocally along the linear track, so that the material is continuously thrown up on the screen surface and moves linearly forwards in a jumping manner, and the screening of the material is realized.
Most of the screens of the conventional linear vibrating screens are fixed inside a screen machine, the distance between the screens is inconvenient to adjust, the conventional linear vibrating screens are inconvenient to be suitable for screening operations of materials with different specifications, the optimum screening space cannot be provided for each material, the screening efficiency is reduced, friction is easily generated between the larger material and the screens, abrasion of the screens is accelerated, the service life of the screens is influenced, and the technical scheme provided by the utility model with the application number of CN201920794034.0 is found after searching, so that the problems are solved.
Disclosure of utility model
The utility model aims to provide a linear vibrating screen convenient for layered sand filtering, which is convenient for adjusting the distance between two screen plates, can be suitable for screening materials with different specifications, improves screening efficiency, reduces the abrasion rate of the materials on the screen plates, and prolongs the service life of the screen plates.
In order to achieve the aim, the linear vibrating screen convenient for layered sand filtering comprises a screening box and an adjusting mechanism, wherein the upper surface of the screening box is fixedly connected with a feeding port, the two sides of the screening box are fixedly connected with vibrating motors, the inner surface of the screening box is slidably connected with a first screen plate and a second screen plate, the right side of the screening box is fixedly connected with a discharging box, and the discharging box is provided with a first discharging port, a second discharging port and a third discharging port;
The adjusting mechanism comprises a driving motor, a guide rail, a bidirectional screw rod, a sliding block, an adjusting frame and a connecting seat, wherein the output end of the driving motor is fixedly connected with the bidirectional screw rod, the outer surface of the bidirectional screw rod is rotationally connected with the guide rail, the outer surface of the bidirectional screw rod is in threaded connection with the sliding block, the outer surface of the sliding block is in sliding connection with the guide rail, the upper end and the lower end of the sliding block are rotationally connected with the adjusting frame, and one end, far away from the sliding block, of the adjusting frame is rotationally connected with the connecting seat.
According to the linear vibrating screen convenient for layered sand filtering, one of the linear vibrating screens is fixedly connected with the first screen plate, the other linear vibrating screen is fixedly connected with the second screen plate, and the movement of the adjusting frame is convenient to adjust the distance between the two screen plates by driving the first screen plate and the second screen plate through the connecting seat.
According to the linear vibrating screen convenient for layered sand filtering, the left surface of the screening box is fixedly connected with the driving motor, and the outer surface of the guide rail is fixedly connected with the screening box.
According to the linear vibrating screen convenient for layered sand filtering, two sides of the screening box are fixedly connected with fixing seats, the lower surface of the fixing seats is fixedly connected with damping springs, the lower ends of the damping springs are fixedly connected with supports, the device can be placed conveniently, vibration of the screening box can be buffered, vibration of the supports is reduced, and stability of the device is improved.
According to the linear vibrating screen convenient for layered sand filtering, the outer surface of the two-way screw rod is fixedly connected with the synchronous wheels, the two synchronous wheels are driven by the synchronous belt, synchronous rotation of the two-way screw rods is facilitated, and the moving stability of the sliding blocks at two sides is improved.
According to a rectilinear vibrating screen convenient to layering sand filtering, the inside wall of screening case is provided with the guide way, the equal fixedly connected with guide block in both sides of first sieve, second sieve, guide block's surface and guide way sliding connection, be convenient for lead the removal of two sieves, improve the stability that two sieves removed.
According to the linear vibrating screen convenient for layered sand filtering, the right end of the first screen plate extends to the upper part of the third discharge hole, the right end of the second screen plate extends to the upper part of the second discharge hole, and materials convenient for screening can be discharged from the corresponding discharge hole.
According to the linear vibrating screen convenient for layered sand filtering, the outer surface of the bidirectional screw rod is rotationally connected with the screening box, and the vibrating motor and the driving motor are electrically connected with an external power supply.
The scheme has the beneficial effects that:
1. Through adjustment mechanism's setting, be convenient for adjust the interval of sieve, make it provide most suitable screening space for the material of different specifications, improved screening efficiency, avoid the material simultaneously to the wearing and tearing rate of sieve, the life of extension sieve.
2. When the screen cloth needs to be replaced or the screen surface is cleaned to be blocked, each screen cloth layer can be cleaned more easily by adjusting the distance between the screen cloth layers, so that the maintenance work efficiency is improved, and the equipment downtime is reduced.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The utility model is further described below with reference to the drawings and examples;
FIG. 1 is a block diagram of a linear vibrating screen for facilitating layered sand screening according to the present utility model;
FIG. 2 is a cross-sectional view of a linear vibrating screen for facilitating layered sand screening in accordance with the present utility model;
FIG. 3 is an enlarged schematic view of FIG. 2 at A;
fig. 4 is an exploded view showing the internal structure of a linear vibration screen for facilitating layered sand screening according to the present utility model.
Legend description:
1. the screening box comprises a screening box body, a feeding hole, a vibrating motor, a first screening plate, a second screening plate, a discharging box, a first discharging hole, a second discharging hole, a third discharging hole, a driving motor, a guide rail, a two-way screw, a guide rail, a 13, a sliding block, a14, an adjusting frame, a 15, a connecting seat, a 16, a fixing seat, a 17, a damping spring, a 18, a bracket, a 19, a synchronous wheel, a 20, a synchronous belt, a 21, a guide groove, a 22 and a guide block.
Detailed Description
Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.
Referring to fig. 1-4, the linear vibrating screen for facilitating layered sand filtering in the embodiment of the utility model comprises a screening box 1 and an adjusting mechanism, wherein a guide groove 21 is formed in the inner side wall of the screening box 1, two sides of the screening box 1 are fixedly connected with a fixing seat 16, the lower surface of the fixing seat 16 is fixedly connected with a damping spring 17, the lower end of the damping spring 17 is fixedly connected with a support 18, the device is convenient to place, vibration of the screening box 1 can be buffered, the vibration of the support 18 is reduced, the stability of the device is improved, the upper surface of the screening box 1 is fixedly connected with a feed inlet 2, two sides of the screening box 1 are fixedly connected with a vibrating motor 3, the inner surface of the screening box 1 is slidably connected with a first screen plate 4 and a second screen plate 5, the mesh of the second screen plate 5 is smaller than the mesh of the first screen plate 4, two sides of the first screen plate 4 and the second screen plate 5 are fixedly connected with guide blocks 22, the outer surfaces of the guide blocks 22 are slidably connected with the guide groove 21, the movement of the two screen plates is convenient to be guided, the stability of the movement of the two screen plates is improved, a discharge box 6 is fixedly connected to the right side of the screening box 1, the discharge box 6 is provided with a vibrating motor 3, the first screen plate 7 and the second screen plate 8 extends to the discharge outlet 9 from the second screen plate 8 to the discharge outlet 9.
The adjusting mechanism comprises a driving motor 10, a guide rail 11, a bidirectional screw rod 12, a sliding block 13, an adjusting frame 14 and a connecting seat 15, wherein the vibrating motor 3 and the driving motor 10 are electrically connected with an external power supply, the left surface of the screening box 1 is fixedly connected with the driving motor 10, the output end of the driving motor 10 is fixedly connected with the bidirectional screw rod 12, the outer surface of the bidirectional screw rod 12 is rotationally connected with the screening box 1, a synchronous wheel 19 is fixedly connected with the outer surface of the bidirectional screw rod 12, the two synchronous wheels 19 are driven by a synchronous belt 20, the synchronous rotation of the two bidirectional screw rods 12 is facilitated, the moving stability of the sliding blocks 13 on two sides is improved, the outer surface of the bidirectional screw rod 12 is rotationally connected with the guide rail 11, the outer surface of the guide rail 11 is fixedly connected with the screening box 1, the outer surface of the bidirectional screw rod 12 is in threaded connection with the sliding block 13, the upper end and the lower end of the sliding block 13 are rotationally connected with the adjusting frame 14, one end of the adjusting frame 14 far away from the sliding block 13 is rotationally connected with the connecting seat 15, the upper surface of one connecting seat 15 is fixedly connected with the first screening plate 4, and the lower surface of the other connecting seat 15 is fixedly connected with the second screening plate 5.
The working principle is that the driving motor 10 drives the bidirectional screw 12 to rotate, so that the sliding block 13 is driven to move along the guide rail 11, the sliding block 13 moves to drive the adjusting frame 14 to rotate by taking two ends of the sliding block 13 as shafts to realize expansion and contraction of the adjusting frame 14, the connecting seat 15 drives the first sieve plate 4 and the second sieve plate 5 to move, the distance between the first sieve plate 4 and the second sieve plate 5 is adjusted, materials are thrown into the screening box 1 from the feeding port 2 to fall onto the first sieve plate 4, the screening box 1 is driven to vibrate by the vibrating motor 3 to screen the materials, and the screened materials enter the third discharge port 9, the second discharge port 8 and the first discharge port 7 on the discharge box 6 from the bottoms of the first sieve plate 4, the second sieve plate 5 and the screening box 1 respectively, so that multi-layer screening of the materials is completed.
The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.