Screening and conveying device for light materials

Abstract

The utility model relates to the technical field of light material screening, in particular to a screening and conveying device for light materials, which comprises a support, a feeding hopper is arranged at the top end of the support, a first screen, a second screen and a third screen are respectively arranged at the bottom end of the feeding hopper, one end of the second screen is provided with a connecting seat, and the other end of the second screen is provided with a second screen. A linkage rod is arranged in the middle of the connecting seat, a cam is arranged at the other end of the linkage rod, a rotating shaft is arranged in the middle of the cam, and a driving motor is arranged at one end of the rotating shaft; the screening device has the beneficial effects that through the arrangement of the first screen, the second screen and the third screen, screening is sequentially conducted according to the sequence that material particles are large and small during use, the materials with the large particles are screened out through the first screen, and the materials with the small particles can penetrate through the first screen and then are screened again through the second screen and the third screen; and therefore, the effect of more sufficient screening is achieved, and the effect of more uniform particle size of the screened material is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of light material screening, in particular to a screening and conveying device for light materials. Background Art

[0002] Lightweight materials refer to materials with low density and light weight, and lightweight ceramsite is one of them. Due to the lightness of ceramsite, it is also called lightweight ceramsite sand. Lightweight ceramsite is made of clay or fly ash and biological sludge as the main raw materials, and is made by high-temperature roasting and expansion. As a light aggregate, lightweight ceramsite has the characteristics of low density, high strength, high water absorption, heat preservation, heat insulation, fire resistance, and earthquake resistance. It has a wide range of uses and can replace ordinary sand and gravel to prepare lightweight aggregate concrete. It can be used as a water treatment filter, adsorbent, and permeable pavement material. It can also be used as a culture medium for soilless cultivation in agriculture and gardening, as well as raw materials for building materials such as bridge panels and hollow blocks.

[0003] A multi-stage screening device for materials used in water conservancy engineering construction disclosed in the Chinese utility model patent application publication number CN 219150683 U includes a base, a screening drum and a driving mechanism, wherein the screening drum is rotatably connected to the base, the screening drum is tilted, the height of the feeding port of the screening drum is higher than the height of the discharging port of the screening drum, the screening drum is provided with multiple groups of screening holes, the multiple groups of screening holes are arranged at intervals along the axis of the screening drum, the apertures of the multiple groups of screening holes are successively larger in the direction away from the feeding port of the screening drum, the driving mechanism is connected to the base, and the driving mechanism is connected to the screening drum to drive the screening drum to rotate. It has the effect of realizing multi-stage screening of sand and gravel and improving the screening efficiency of sand and gravel. The drum structure of the multi-stage screening device for materials used in water conservancy engineering construction screens the materials from smaller particles to larger particles in sequence, and the materials with smaller particles will be screened out along the drum together with the materials with larger particles, which will lead to insufficient screening, and then the particles of the screened materials will be uneven in size. Utility Model Content

[0004] The purpose of the utility model is to provide a screening and conveying device for light materials to solve the problems raised by the above-mentioned background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A screening and conveying device for light materials, comprising:

[0007] A bracket, wherein a hopper is arranged at the top of the bracket, a first screen, a second screen and a third screen are arranged at the bottom of the hopper respectively, a connecting seat is arranged at one end of the second screen, a linkage rod is arranged in the middle of the connecting seat, a cam is arranged at the other end of the linkage rod, a rotating shaft is arranged in the middle of the cam, and a driving motor is arranged at one end of the rotating shaft.

[0008] Preferably, a hopper is fixedly connected to the top of the bracket, and cross beams are fixedly connected to both sides of the bracket.

[0009] Preferably, both ends of one side of the crossbeam are fixedly connected to a crossbar, and both ends of the surface of the crossbar are rotatably connected to a connecting rod.

[0010] Preferably, the middle portion of the connecting rod is rotatably connected to the first screen, the second screen and the third screen in sequence, and the sieve holes of the first screen, the second screen and the third screen are reduced in sequence.

[0011] Preferably, both sides of one end of the second screen are fixedly connected with a connecting seat, and a groove is provided in the middle of the connecting seat.

[0012] Preferably, a bayonet is fixedly connected to the middle of the groove, and a linkage rod is rotatably connected to the surface of the bayonet.

[0013] Preferably, both sides of one end of the bracket are fixedly connected with a fixing seat, and the other end of the fixing seat is fixedly connected with a clamp.

[0014] Preferably, a rotating shaft is rotatably connected to the middle of the clamp, cams are fixedly connected to both ends of the rotating shaft surface, and the surface of the cam is rotatably connected to the other end of the linkage rod.

[0015] Preferably, one end of the rotating shaft is connected to a driving motor via a spline, and one side of the driving motor is fixedly connected to one side of the bracket.

[0016] Preferably, the other end of the bracket is fixedly connected with a conveying component, and the conveying component conveys the materials screened by the first screen, the second screen and the third screen to designated locations respectively.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] The utility model arranges the first screen, the second screen and the third screen, and screens the materials in the order of larger particles from smaller particles in use. The materials with larger particles are screened out through the first screen, and the materials with smaller particles pass through the first screen and then are screened again through the second screen and the third screen, so as to achieve a more sufficient screening effect, and then achieve a more uniform particle size of the materials after screening; the utility model arranges the driving motor, the rotating shaft, the cam and the linkage rod, and when in use, the driving motor drives the rotating shaft to rotate, and the rotating shaft drives the cam to rotate together, and then drives the screen to shake through the linkage rod, so as to achieve a higher screening efficiency, and also can achieve the effect of preventing the screen from being blocked; the screening and conveying device has a small volume and a simple structure, so as to achieve the effect of occupying less space and convenient transportation. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0020] Figure 2 This is a schematic diagram of the support structure of the utility model;

[0021] Figure 3 This is a schematic diagram of the screen structure of the utility model;

[0022] Figure 4 For the utility model Figure 3 Enlarged structural diagram at A in the middle.

[0023] In the figure: 1, bracket; 2, feed hopper; 3, crossbeam; 4, cross bar; 5, connecting rod; 6, first screen; 7, second screen; 8, third screen; 9, connecting seat; 901, groove; 10, bayonet pin; 11, linkage rod; 12, fixed seat; 13, clamp; 14, rotating shaft; 15, cam; 16, driving motor; 17, transmission component. DETAILED DESCRIPTION

[0024] In order to more clearly illustrate the overall concept of the present invention, a detailed description is given below in combination with the accompanying drawings by way of examples.

[0025] Embodiment 1:

[0026] See also Figures 1 to 4 The utility model provides a technical solution: a screening and conveying device for light materials, comprising:

[0027] A bracket 1 is provided with a hopper 2 at the top of the bracket 1, and a first screen 6, a second screen 7 and a third screen 8 are provided at the bottom of the hopper 2, a connecting seat 9 is provided at one end of the second screen 7, a linkage rod 11 is provided in the middle of the connecting seat 9, a cam 15 is provided at the other end of the linkage rod 11, a rotating shaft 14 is provided in the middle of the cam 15, and a driving motor 16 is provided at one end of the rotating shaft 14.

[0028] The screening and conveying device has a small volume and a relatively simple structure, thereby achieving the effect of occupying a small space and being convenient for transportation.

[0029] Embodiment 2:

[0030] like Figures 2 to 3 As shown, the screening and conveying device for light materials disclosed in the second embodiment of the present invention has a structure that is basically the same as that in the first embodiment, except that:

[0031] The top of the bracket 1 is fixedly connected to a hopper 2 , and both sides of the bracket 1 are fixedly connected to crossbeams 3 .

[0032] Both ends of one side of the cross beam 3 are fixedly connected with a cross bar 4 , and both ends of the surface of the cross bar 4 are rotatably connected with a connecting rod 5 .

[0033] The middle part of the connecting rod 5 is rotatably connected with the first screen 6, the second screen 7 and the third screen 8 in sequence, and the sieve holes of the first screen 6, the second screen 7 and the third screen 8 are reduced in sequence.

[0034] Through the arrangement of the first sieve 6, the second sieve 7 and the third sieve 8, the materials are screened in order from larger particles to smaller particles during use. The materials with larger particles are screened out through the first sieve 6, and the materials with smaller particles pass through the first sieve 6 and then are screened again through the second sieve 7 and the third sieve 8, thereby achieving a more sufficient screening effect, and further achieving an effect of more uniform particle size of the materials after screening.

[0035] Embodiment three:

[0036] like Figure 4 As shown, the screening and conveying device for light materials disclosed in the third embodiment of the present invention has a structure that is basically the same as that in the second embodiment, except that:

[0037] Both sides of one end of the second screen 7 are fixedly connected with a connecting seat 9 , and a groove 901 is formed in the middle of the connecting seat 9 .

[0038] A latch pin 10 is fixedly connected to the middle of the groove 901 , and a linkage rod 11 is rotatably connected to the surface of the latch pin 10 .

[0039] Both sides of one end of the bracket 1 are fixedly connected with a fixing seat 12 , and the other end of the fixing seat 12 is fixedly connected with a clamp 13 .

[0040] The middle of the clamp 13 is rotatably connected to a rotating shaft 14 , and both ends of the surface of the rotating shaft 14 are fixedly connected to cams 15 , and the surface of the cam 15 is rotatably connected to the other end of the linkage rod 11 .

[0041] One end of the rotating shaft 14 is connected to a driving motor 16 via a spline, and one side of the driving motor 16 is fixedly connected to one side of the bracket 1 .

[0042] The other end of the bracket 1 is fixedly connected with a conveying assembly 17, and the conveying assembly 17 conveys the materials screened by the first screen 6, the second screen 7 and the third screen 8 to a designated location respectively.

[0043] By setting the driving motor 16, the rotating shaft 14, the cam 15 and the linkage rod 11, when in use, the driving motor 16 drives the rotating shaft 14 to rotate, the rotating shaft 14 drives the cam 15 to rotate together, and then the screen is driven to shake through the linkage rod 11, so as to achieve a higher screening efficiency and also prevent the screen from being blocked.

[0044] The specific scheme is as follows: first, the driving motor 16 is started to drive the screen to reciprocate and shake. Through the arrangement of the driving motor 16, the rotating shaft 14, the cam 15 and the linkage rod 11, when in use, the driving motor 16 drives the rotating shaft 14 to rotate, and the rotating shaft 14 drives the cam 15 to rotate together, and then the linkage rod 11 drives the screen to shake, so as to achieve a higher screening efficiency and also prevent the screen from being blocked. Then, the material to be screened is poured into the inside of the feed hopper 2, and the material falls on the surfaces of the first screen 6, the second screen 7 and the third screen 8 in turn through the bottom of the feed hopper 2 for screening and grading. The net 7 and the third sieve 8 are set up, and when in use, the materials are screened in the order of larger particles to smaller particles. The materials with larger particles are screened out through the first sieve 6, and the materials with smaller particles will pass through the first sieve 6 and then be screened again through the second sieve 7 and the third sieve 8, so as to achieve a more sufficient screening effect, and then achieve an effect of more uniform particle size of the materials after screening. Finally, the materials screened by the first sieve 6, the second sieve 7 and the third sieve 8 can be respectively transmitted to the designated position through the transmission component 17. The screening and conveying device has a small volume and a simple structure, so as to achieve the effect of occupying less space and convenient transportation.

[0045] Those skilled in the art should understand that the discussion of any of the above embodiments is merely illustrative and is not intended to imply that the scope of the present invention (including the claims) is limited to these examples. Under the concept of the present invention, the technical features in the above embodiments or different embodiments may be combined, the steps may be implemented in any order, and there are many other variations of the different aspects of the present invention as described above, which are not provided in detail for the sake of simplicity.

[0046] The utility model is intended to cover all such substitutions, modifications and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the utility model should be included in the scope of protection of the utility model.

Claims

1. A screening and conveying device for light materials, characterized in that: include: A support (1), wherein a feed hopper (2) is arranged at the top end of the support (1), a first screen (6), a second screen (7) and a third screen (8) are arranged at the bottom end of the feed hopper (2), a connecting seat (9) is arranged at one end of the second screen (7), a linkage rod (11) is arranged in the middle of the connecting seat (9), a cam (15) is arranged at the other end of the linkage rod (11), a rotating shaft (14) is arranged in the middle of the cam (15), and a driving motor (16) is arranged at one end of the rotating shaft (14).

2. A screening and conveying device for light materials according to claim 1, characterized in that: The top of the support (1) is fixedly connected to a hopper (2), and both sides of the support (1) are fixedly connected to crossbeams (3).

3. A screening and conveying device for light materials according to claim 2, characterized in that: Both ends of one side of the crossbeam (3) are fixedly connected to a crossbar (4), and both ends of the surface of the crossbar (4) are rotatably connected to a connecting rod (5).

4. A screening and conveying device for light materials according to claim 3, characterized in that: The middle part of the connecting rod (5) is rotatably connected to the first screen (6), the second screen (7) and the third screen (8) in sequence, and the sieve holes of the first screen (6), the second screen (7) and the third screen (8) are reduced in sequence.

5. A screening and conveying device for light materials according to claim 4, characterized in that: A connecting seat (9) is fixedly connected to both sides of one end of the second screen (7), and a groove (901) is provided in the middle of the connecting seat (9).

6. A screening and conveying device for light materials according to claim 5, characterized in that: A bayonet (10) is fixedly connected to the middle of the groove (901), and a linkage rod (11) is rotatably connected to the surface of the bayonet (10).

7. A screening and conveying device for light materials according to claim 6, characterized in that: Both sides of one end of the bracket (1) are fixedly connected to a fixing seat (12), and the other end of the fixing seat (12) is fixedly connected to a clamp (13).

8. A screening and conveying device for light materials according to claim 7, characterized in that: The middle part of the clamp (13) is rotatably connected to a rotating shaft (14), both ends of the surface of the rotating shaft (14) are fixedly connected to cams (15), and the surface of the cam (15) is rotatably connected to the other end of the linkage rod (11).

9. A screening and conveying device for light materials according to claim 8, characterized in that: One end of the rotating shaft (14) is connected to a driving motor (16) via a spline, and one side of the driving motor (16) is fixedly connected to one side of the bracket (1).

10. A screening and conveying device for light materials according to claim 9, characterized in that: The other end of the support (1) is fixedly connected to a conveying assembly (17), and the conveying assembly (17) conveys the materials screened by the first screen (6), the second screen (7) and the third screen (8) to a designated location respectively.

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