Multi-stage feed particle double-drum rotary screen

Abstract

The utility model relates to a multi-stage feed particle double-drum rotary screen which comprises a high supporting leg and a short supporting leg, and a shell which is obliquely arranged is arranged at the top of the high supporting leg and the top of the short supporting leg, and is characterized in that two rotating shafts are arranged on the shell in a penetrating mode in the length direction, and rotary screens are installed on the rotating shafts respectively; the arc surface of the drum screen is sequentially provided with a powder outlet and a finished product outlet from top to bottom, the drum screen is formed by fixing three equally-divided arcs through a connecting lock, the upper portion of the shell is connected with a feeding port, the lower portion of the shell is connected with a powder outlet and a finished product outlet, the tail end of the shell is connected with a large impurity outlet, and a first annular baffle is arranged between the finished product outlet and the powder outlet. And a second annular baffle is arranged between the finished product outlet and the large impurity outlet. The screening device has the advantages that powder and large impurities in finished feed particles can be rapidly screened out, the screening device is simple in structure, easy to manufacture, low in cost and high in screening efficiency, the quality of the finished feed particles is ensured, and the labor intensity of workers is reduced.

Description

1. Technical field

[0002] The utility model belongs to the technical field of particle feed screening equipment, in particular to a multi-stage feed particle double-drum drum screen. 2. Background technology

[0004] Feed is a general term for the food of animals raised by all people. In a narrower sense, general feed mainly refers to the food of animals raised in agriculture or animal husbandry. Feed includes more than ten varieties of feed raw materials such as soybeans, soybean meal, corn, fish meal, amino acids, miscellaneous meal, whey powder, oil, meat and bone meal, grains, feed additives, etc. my country is a major agricultural producer and a breeding country. The demand for feed is relatively high, and the production of feed has also increased accordingly. Feed screening is a very important part of the feed production process. Before the finished particles are bagged, the powder mixed in the particles needs to be screened out. The drum screen is a very widely used machine in sorting technology. It controls the sorting by the particle size and has high sorting accuracy. The existing drum screen is generally a double-layer screen with a relatively complex structure and high production and manufacturing cost. It can only screen powder and cannot screen out large impurities. In addition, the existing drum screen is a single-drum design, with low powder screening efficiency and labor-consuming and time-consuming. (III) Summary of the invention

[0006] In order to make up for the deficiencies of the prior art, the utility model provides a multi-stage feed particle double-drum screen which has the advantages of simple structure, easy manufacture, low cost and high screening efficiency.

[0007] The utility model is realized through the following technical solutions:

[0008] A multi-stage feed particle double-drum drum screen comprises a high leg and a low leg, and a shell body is arranged on the top of the high leg and the low leg at an angle, and is characterized in that: the shell body is provided with two rotating shafts running through it in the length direction, and drum screens are respectively installed on the rotating shafts, and the circular arc surface of the drum screen is provided with powder outlet holes and finished product outlet holes in sequence from top to bottom, and the drum screen is formed by three equally divided circular arcs fixed by connecting locks, a feed port is connected to the upper part of the shell body, a powder outlet port and a finished product outlet port are connected to the lower part of the shell body, a large impurity outlet is connected to the rear end of the shell body, a first annular baffle is provided between the finished product outlet and the powder outlet, and a second annular baffle is provided between the finished product outlet and the large impurity outlet.

[0009] A material shifting plate is installed on the upper part of the rotating shaft.

[0010] The first annular baffle plate and the second annular baffle plate are respectively sleeved on the drum screen and fixed to the inner wall of the shell.

[0011] A reinforcing rod is connected between the powder outlet and the finished product outlet.

[0012] A material unloading inclined lining plate is installed between the rotating shaft and the shell.

[0013] A transverse reinforcement frame is connected between the high legs and the low legs.

[0014] Vertical reinforcement frames are respectively connected between the high legs and between the low legs.

[0015] A large miscellaneous switch plate is provided at the bottom of the large miscellaneous outlet.

[0016] The utility model has the beneficial effects of quickly screening out powder and large impurities in finished feed particles, having a simple structure, being easy to manufacture, being low in cost, and having a high screening efficiency, thereby ensuring the quality of finished feed particles and reducing the labor intensity of workers. (IV) Description of the drawings

[0018] The utility model is further described below in conjunction with the accompanying drawings.

[0019] Attached Figure 1 This is a schematic diagram of the main structure of the utility model;

[0020] Attached Figure 2 It is a side view structural schematic diagram of the utility model;

[0021] In the figure, 1 is a high leg, 2 is a low leg, 3 is a shell, 4 is a rotating shaft, 5 is a drum screen, 6 is a powder outlet hole, 7 is a finished product outlet hole, 8 is a connecting lock, 9 is a feed port, 10 is a powder outlet, 11 is a finished product outlet, 12 is a large miscellaneous outlet, 13 is a first annular baffle, 14 is a second annular baffle, 15 is a material removal plate, 16 is a reinforcement rod, 17 is a material unloading inclined liner, 18 is a horizontal reinforcement frame, 19 is a vertical reinforcement frame, and 20 is a large miscellaneous switch plate. (V) Specific implementation methods

[0023] The accompanying drawings show a specific embodiment of the utility model. The embodiment comprises a high leg 1 and a low leg 2, and a housing 3 placed obliquely is provided on the top of the high leg 1 and the low leg 2, and two rotating shafts 4 are provided through the housing 3 in the length direction, and drum screens 5 are respectively installed on the rotating shafts 4, and the circular arc surface of the drum screen 5 is provided with powder outlet holes 6 and finished product outlet holes 7 from top to bottom in sequence, and the drum screen 5 is formed by three equally divided circular arcs fixed by a connecting lock 8, a feed port 9 is connected to the upper part of the housing 3, a powder outlet 10 and a finished product outlet 11 are connected to the lower part of the housing 3, and a large impurity outlet 12 is connected to the tail end of the housing 3, a first annular baffle 13 is provided between the finished product outlet 11 and the powder outlet 10, and a second annular baffle 14 is provided between the finished product outlet 11 and the large impurity outlet 12.

[0024] A material stripping plate 15 is installed on the upper part of the rotating shaft 4. The first annular baffle 13 and the second annular baffle 14 are respectively sleeved on the drum screen 5 and fixed to the inner wall of the shell 3. A reinforcement rod 16 is connected between the powder outlet 10 and the finished product outlet 11. A material unloading inclined lining plate 17 is installed between the rotating shaft 4 and the shell 3. A horizontal reinforcement frame 18 is connected between the high legs 1 and the low legs 2. Vertical reinforcement frames 19 are respectively connected between the high legs 1 and the low legs 2. A large miscellaneous switch plate 20 is provided at the bottom of the large miscellaneous outlet 12.

[0025] The utility model adopts a multi-stage feed particle double drum screen, each rotating shaft 4 is driven to rotate by a motor, and the finished particles to be screened are poured from the feed port 9, and the finished particles enter the two drum screens 5. The rotating shaft 4 rotates to drive the two drum screens 5 to rotate. The upper part of the drum screen 5 is provided with a powder outlet 6. The diameter of the finished particles and the large impurities is larger than the diameter of the powder outlet 6. With the rotation and gravity, the finished particles flow into the housing 3 from the finished product outlet 7 at the lower part of the drum screen 5, and then flow out from the finished product outlet 11 for collection. After the dust and powder with a smaller particle size flows into the housing 3 from the powder outlet 6, it flows into the powder outlet 10 for collection. The large impurities have a diameter larger than the diameter of the powder outlet 6 and the finished product outlet 7, and flow into the large impurities outlet 12 from the end of the drum screen 5. When the number of large impurities is large, the large impurities switch plate 20 is opened to pour it out. By setting the first annular baffle 13, the sieved powder and dust can be prevented from falling into the finished product outlet 11, and by setting the second annular baffle 14, the sieved finished particles can be prevented from falling into the large impurities outlet 12. The shell 3 is tilted, and a material-dispensing plate 15 is provided at the rotating shaft 4 near the feed port 9. The material-dispensing plate 15 rotates rapidly with the rotating shaft 4, and can quickly disperse the material entering the feed port 9, preventing the material from piling up at the feed port 9 and affecting the feeding; the material rolls down from top to bottom, and two drum screens 5 are set at the same time, which improves the screening efficiency while providing fine screening. The circular drum screen 5 is formed by splicing three equally divided arcs, and the three arcs are connected and fixed by a connecting lock 8, which is easy to manufacture and easy to install and replace. An inclined material-dispensing liner 13 is installed between the rotating shaft 4 and the shell 3, which allows the material to quickly flow in from the feed port 9, and the feeding speed is fast.

Claims

1. A multi-stage feed particle double drum screen, comprising a high leg (1) and a low leg (2), wherein a shell (3) placed obliquely is provided on the top of the high leg (1) and the low leg (2), wherein: The housing (3) is provided with two rotating shafts (4) running through it in the length direction, and drum screens (5) are respectively mounted on the rotating shafts (4). The circular arc surface of the drum screen (5) is provided with powder outlet holes (6) and finished product outlet holes (7) in sequence from top to bottom, and the drum screen (5) is formed by three equally divided circular arcs fixed by connecting locks (8). The upper part of the housing (3) is connected with a feed port (9), the lower part of the housing (3) is connected with a powder outlet (10) and a finished product outlet (11), and the rear end of the housing (3) is connected with a large impurity outlet (12). A first annular baffle (13) is provided between the finished product outlet (11) and the powder outlet (10), and a second annular baffle (14) is provided between the finished product outlet (11) and the large impurity outlet (12).

2. The multi-stage feed particle double drum screen according to claim 1 is characterized in that: A material shifting plate (15) is mounted on the upper portion of the rotating shaft (4).

3. The multi-stage feed particle double drum screen according to claim 1 is characterized in that: The first annular baffle (13) and the second annular baffle (14) are respectively sleeved on the drum screen (5) and fixed to the inner wall of the shell (3).

4. The multi-stage feed particle double drum screen according to claim 1 is characterized in that: A reinforcement rod (16) is provided between the powder outlet (10) and the finished product outlet (11).

5. The multi-stage feed particle double drum screen according to claim 1 is characterized in that: An inclined material discharge lining plate (17) is installed between the rotating shaft (4) and the housing (3).

6. The multi-stage feed particle double drum screen according to claim 1 is characterized by: A transverse reinforcement frame (18) is provided between the high supporting leg (1) and the low supporting leg (2).

7. The multi-stage feed particle double drum screen according to claim 1 is characterized by: Vertical reinforcement frames (19) are respectively connected between the high legs (1) and between the low legs (2).

8. The multi-stage feed particle double drum screen according to claim 1 is characterized by: A large miscellaneous switch plate (20) is provided at the bottom of the large miscellaneous outlet (12).

Images