CN214865051U - Rotary grading screen - Google Patents

Abstract

The utility model relates to a classifying screen technical field especially relates to a classifying screen circles round. The screen comprises a shell, wherein a screen body is rotationally connected in the shell, a feed inlet is formed in one end of the screen body, a second screen cylinder is arranged in the screen body, a central shaft is arranged at one end of the second screen cylinder, and a first screen cylinder is arranged outside the second screen cylinder; a hopper is arranged on one side of the upper part of the shell, and the lower part of the hopper extends into the feed inlet; the lower part of the shell is provided with a motor which can drive the sieve body to rotate; be provided with first baffle and second baffle in the shell, both divide into first bin, second bin and third bin with the shell inside, and first baffle is located the one end of a first sieve section of thick bamboo, and the second baffle is located the one end of a second sieve section of thick bamboo, and first bin, second bin and third bin lower part are provided with first discharge gate, second discharge gate and third discharge gate respectively. The utility model discloses can accomplish the screening work of fodder, and be provided with the vibration axle in the shell lower part, promote the flow of fodder, improve screening efficiency.

Description

Rotary grading screen

Technical Field

The utility model relates to a classifying screen technical field especially relates to a classifying screen circles round.

Background

The feed is animal food prepared by pulverizing corn, wheat, soybean, etc., and mixing with various nutrient elements. At present, the breeding industry occupies a large proportion in agricultural production in China, so the feed demand is very large. In order to obtain a higher quality feed, the grain needs to be screened after being crushed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that the technical deficiency exists, and provides a rotary grading sieve, which adopts a shell which is placed obliquely and is connected with a sieve body in a rotating way, one end of the sieve body is provided with a feed inlet connected with a hopper, a first sieve cylinder and a second sieve cylinder on the sieve body can sieve feed when the sieve body rotates, and the sieved feed can be discharged from three discharge ports at the bottom of the shell respectively; the shell bottom is provided with the base, and both one ends are articulated mutually, and both the other end is provided with the vibrations axle between the two, can make the shell vibrations, has promoted the flow of fodder, has improved screening efficiency.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: a rotary grading sieve comprises a shell, wherein the shell is obliquely arranged with a horizontal plane, a sieve body is rotatably connected in the shell, a feed inlet is formed in one end of the sieve body, a belt pulley is arranged outside the feed inlet, a second sieve cylinder is arranged inside the sieve body, the inside of the second sieve cylinder is communicated with the feed inlet, a central shaft is arranged at one end of the second sieve cylinder, a plurality of second support bars are arranged between the second sieve cylinder and the central shaft, a first sieve cylinder is arranged outside the second sieve cylinder, and a plurality of first support bars are arranged between one end of the second sieve cylinder and the first sieve cylinder; a hopper is arranged on one side of the upper part of the shell, and the lower part of the hopper extends into the feed inlet; a motor is arranged at the lower part of the shell, a belt pulley is arranged on a rotating shaft of the motor, and the belt pulley is in transmission connection with a belt pulley on the feeding hole through a belt; the screen frame is characterized in that a first partition plate and a second partition plate are arranged in the shell and divide the interior of the shell into a first bin, a second bin and a third bin, the first partition plate is located at one end of a first screen cylinder, the second partition plate is located at one end of a second screen cylinder, and a first discharge hole, a second discharge hole and a third discharge hole are formed in the lower portions of the first bin, the second bin and the third bin respectively.

Further optimizing the technical scheme, the inclination angle between the shell and the horizontal plane is 4-19 degrees.

Further optimize this technical scheme, first discharge gate and third discharge gate are towards same side, the second discharge gate is towards the opposite side.

Further optimize this technical scheme, the shell lower part is provided with the base, and both one ends are articulated mutually, the other end of shell rotates and is connected with the vibration axle, the one end of vibration axle is provided with the belt pulley, and this belt pulley passes through belt transmission with the belt pulley on the motor to be connected, the other end of vibration axle is provided with the eccentric wheel, the other end of base is provided with a supporting bench, the bottom and the supporting bench surface contact of eccentric wheel.

Compared with the prior art, the utility model has the advantages of it is following: 1. the screen body is rotatably connected in the obliquely placed shell, a feed inlet connected with a hopper is formed in one end of the screen body, the first screen cylinder and the second screen cylinder on the screen body can screen feed when the screen body rotates, and the screened feed can be discharged from three discharge ports in the bottom of the shell respectively, so that screening work is finished; 2. the shell bottom is provided with the base, and both one ends are articulated mutually, and both the other end is provided with the vibrations axle between the two, can make the shell vibrations, has promoted the flow of fodder, has improved screening efficiency.

Drawings

Fig. 1 is a schematic structural view of a gyratory classifying screen.

Figure 2 is a cross-sectional view of a convolute sizing screen.

In the figure: 1. a housing; 11. a first discharge port; 12. a second discharge port; 13. a third discharge port; 14. a first chamber; 15. a second chamber; 16. a third chamber; 17. a first separator; 18. a second separator; 2. a hopper; 3. a screen body; 31. a feed inlet; 32. a first screen cylinder; 33. a second screen cylinder; 34. a first support bar; 35. a second supporting strip; 36. a central shaft; 4. a motor; 5. a vibration shaft; 51. an eccentric wheel; 6. a base; 61. and a support table.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

The specific implementation mode is as follows: referring to fig. 1-2, the rotary classifying screen comprises a shell 1, wherein the shell 1 is obliquely arranged with a horizontal plane, a screen body 3 is rotatably connected in the shell 1, a feed port 31 is formed in one end of the screen body 3, a belt pulley is arranged outside the feed port 31, a second screen cylinder 33 is arranged inside the screen body 3, the inside of the second screen cylinder 33 is communicated with the feed port 31, and a central shaft 36 is arranged at one end of the second screen cylinder 33. A plurality of second support bars 35 are arranged between the second screen drum 33 and the central shaft 36 and are connected through the second support bars 35, a first screen drum 32 is arranged outside the second screen drum 33, and a plurality of first support bars 34 are arranged between one end of the second screen drum 33 and the first screen drum 32 to play a supporting role. A hopper 2 is arranged on one side of the upper part of the shell 1, and the lower part of the hopper 2 extends into the feed port 31. The lower part of the shell 1 is provided with a motor 4, the motor 4 is a variable frequency motor, a belt pulley is arranged on a rotating shaft of the motor 4, and the belt pulley is in transmission connection with the belt pulley on the feed port 31 through a belt. A first partition plate 17 and a second partition plate 18 are arranged in the shell 1, and divide the interior of the shell 1 into a first bin 14, a second bin 15 and a third bin 16, wherein the first partition plate 17 is positioned at one end of the first screen drum 32, a circular channel is arranged in the first partition plate, and the inner diameter of the channel is slightly larger than the outer diameter of the first screen drum 32; the second partition 18 is located at one end of the second screen cylinder 33 and is internally provided with a circular channel having an inner diameter slightly larger than the outer diameter of the second screen cylinder 33. The lower parts of the first bin 14, the second bin 15 and the third bin 16 are respectively provided with a first discharge hole 11, a second discharge hole 12 and a third discharge hole 13.

The inclination angle between the housing 1 and the horizontal plane is 4-19 deg., which enables the feed to flow gradually from one end of the feed inlet 31 to the other.

The first discharge hole 11 and the third discharge hole 13 face the same side, and the second discharge hole 12 faces the other side.

The utility model discloses a vibration motor, including shell 1, motor 4, vibration axle 5, eccentric wheel 51, support table 61, the bottom of eccentric wheel 51 and support table 61 upper surface contact, the upper surface of support table 61 has the inclination the same with shell 1, and both one ends are articulated mutually for 1 lower part of shell, the other end of shell 1 rotates and is connected with vibration axle 5, the one end of vibration axle 5 is provided with the belt pulley, and this belt pulley passes through belt drive with the belt pulley on the motor 4 and is connected, the other end of vibration axle 5 is provided with eccentric wheel 51, the other end of base 6 is provided with support table 61, eccentric wheel 51's bottom and support table 61 upper surface contact, and support table 61's upper surface has the inclination the same with shell 1.

When the feed screening device is used, as shown in fig. 1-2, the motor 4 drives the screen body 3 to rotate, feed to be screened is added from the hopper 2, then enters the second screen drum 33 through the feeding hole 31, smaller feed particles enter the first screen drum 32 outside under the action of centrifugal force and gravity, and the rest feed falls into the third bin 16 from gaps between the second supporting bars 35 at the end part and is discharged from the third discharging hole 13; the smaller feed particles in the first sieve drum 32 fall from outside the first sieve drum 32 into the first chamber 14 and are then discharged from the first outlet 11, and the remaining feed enters the second chamber 15 through the gap between the first support bars 34 and is then discharged from the second outlet 12. The first and second supporting bars 34 and 35 are as narrow as possible, and preferably thin at the left end and thick at the right end, and the number is preferably 3-6, so that the fodder can be discharged conveniently. The motor 4 drives the vibration shaft 5 to rotate, so that the shell 1 can vibrate, the flow of feed is promoted, and the screening efficiency is improved. The rotating speed of the motor 4 can be changed at any time during screening so as to further improve the screening efficiency.

The operation mode of the rotary grading sieve is not limited to one, for example, a low rotation speed mode can be selected, at this time, the feed in the first sieve cylinder 32 is not turned to the top, and is only continuously turned and slid at the bottom (middle and lower parts), and the feed in the rotary grading sieve is sufficiently sieved; and the fodder in the second screen drum 33 just falls off the drum wall under the action of gravity along the rotating direction when reaching the top, and can be fully turned and stirred, thereby being fully screened.

The utility model discloses a control mode comes automatic control through the controller, and the rotational speed that changes motor 4 often can be realized through the controller, and the control circuit of controller can be realized through the simple programming of technical staff in this field, belongs to the common general knowledge in this field, and the utility model discloses mainly be used for protecting mechanical setting, so the utility model discloses no longer explain control mode and circuit connection in detail.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims (4)

1. A rotary grading screen is characterized in that: the screen frame comprises a shell (1), wherein the shell (1) is obliquely arranged with a horizontal plane, a screen body (3) is rotationally connected in the shell (1), a feed inlet (31) is formed in one end of the screen body (3), a belt pulley is arranged outside the feed inlet (31), a second screen drum (33) is arranged inside the screen body (3), the inside of the second screen drum (33) is communicated with the feed inlet (31), a central shaft (36) is arranged at one end of the second screen drum (33), a plurality of second support bars (35) are arranged between the second screen drum (33) and the central shaft (36), a first screen drum (32) is arranged outside the second screen drum (33), and a plurality of first support bars (34) are arranged between one end of the second screen drum (33) and the first screen drum (32); a hopper (2) is arranged on one side of the upper part of the shell (1), and the lower part of the hopper (2) extends into the feed port (31); a motor (4) is arranged at the lower part of the shell (1), a belt pulley is arranged on a rotating shaft of the motor (4), and the belt pulley is in transmission connection with a belt pulley on the feeding hole (31) through a belt; be provided with first baffle (17) and second baffle (18) in shell (1), both separate into first bin (14), second bin (15) and third bin (16) with shell (1) internal partitioning, first baffle (17) is located the one end of first sieve section of thick bamboo (32), second baffle (18) is located the one end of second sieve section of thick bamboo (33), first bin (14), second bin (15) and third bin (16) lower part are provided with first discharge gate (11), second discharge gate (12) and third discharge gate (13) respectively.

2. The convolute sizing screen of claim 1, wherein: the inclination angle between the shell (1) and the horizontal plane is 4-19 degrees.

3. The convolute sizing screen of claim 1, wherein: the first discharging hole (11) and the third discharging hole (13) face the same side, and the second discharging hole (12) faces the other side.

4. A convolute sizing screen according to any one of claims 1 to 3, wherein: the utility model discloses a vibration motor, including shell (1), motor (4), vibration axle (5), belt pulley, vibration axle (5), the other end of shell (1) is rotated and is connected with vibration axle (5), the one end of vibration axle (5) is provided with the belt pulley, and this belt pulley passes through belt drive with the belt pulley on motor (4) and is connected, the other end of vibration axle (5) is provided with eccentric wheel (51), the other end of base (6) is provided with brace table (61), surface contact on the bottom and the brace table (61) of eccentric wheel (51).

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