Vibrating screen for feeding port of feed mixing bin

Abstract

The utility model belongs to the field of feed mixing, and discloses a feed mixing bin feeding port vibrating screen which comprises a machine frame device used for supporting and fixing and further comprises a machine core device installed below the machine frame device and used for suspending and vibrating and screening feed, and a uniform distribution device used for swinging and spreading the feed is installed in the middle of the machine frame device. The machine core device comprises a screening mechanism used for vibrating feed vortex screening, and suspension mechanisms used for suspending and increasing the amplitude are evenly installed on the periphery of the screening mechanism. The uniform distribution device comprises a swing shaft, a scraper is arranged on the swing shaft, and a swing motor is arranged at one end of the swing shaft. According to the vibrating screen for the feeding port of the feed mixing bin, through the arrangement of swinging and spreading feed, contact between the feed and the screen is reduced or avoided, damage to the screen is reduced, and the service life is prolonged; and through the arrangement that vibration feed vortex is matched with swing paving, not only is screening comprehensiveness guaranteed, but also the screening speed is increased.

Description

Technical Field

[0001] The utility model belongs to the field of feed mixing, in particular to a vibrating screen for a feeding port of a feed mixing bin. Background Art

[0002] The vibrating screen at the feed inlet of the feed mixing bin is an important device for removing impurities and performing grade screening during the feed production process. It is mainly used to remove impurities from feed raw materials and grade the crushed raw materials to ensure that the purity and particle size of the feed meet production requirements.

[0003] In contrast, the Chinese patent with announcement number CN211385759U discloses a vibrating screen for the feeding port of a feed mixing bin, comprising a feed box and a screen drum, wherein a feed port is obliquely opened on the feed box, and is characterized in that a rotating shaft is vertically installed in the feed box, and at least one scraper and at least one leveling rod are provided at the lower end of the rotating shaft, the plate surface of the scraper is arranged vertically, the leveling rod is arranged perpendicular to the axial direction of the rotating shaft, and a plurality of leveling rods are provided on the leveling rod.

[0004] However, the scraper and the material leveling rod of the above patent are always at a fixed height, and they rub against the screen, which can easily damage the screen and reduce its service life. Therefore, a new device needs to be designed. Utility Model Content

[0005] The purpose of the utility model is to provide a vibrating screen for a feed mixing bin feeding port, so as to solve the problems raised in the above background technology.

[0006] To achieve the above objectives, the present invention provides the following technical solutions:

[0007] A vibrating screen at the feeding port of a feed mixing bin comprises a frame device for supporting and fixing, and a core device installed below the frame device for suspending and vibrating to screen the feed, a uniform distribution device for swinging and spreading the feed installed in the middle of the frame device; the core device comprises a screening mechanism for vibrating the feed for vortex screening, and suspension mechanisms for suspending and increasing the amplitude are evenly installed on the periphery of the screening mechanism; the uniform distribution device comprises a swing shaft, a scraper is provided on the swing shaft, and a swing motor is provided at one end of the swing shaft.

[0008] Furthermore, the rack device includes a support platform, a feeding bin is provided on the support platform, a chassis cover is installed in front of the feeding bin, and a feeding hole is provided in the middle of the support platform.

[0009] Furthermore: support legs are provided at the four corners of the bottom of the support platform, and the feeding hole is circular.

[0010] Further, the screening mechanism comprises a screening cylinder, a screen is installed on the top surface of the screening cylinder, vibration motors are installed on both sides of the screening cylinder, and a discharge pipe is arranged at the bottom of the screening cylinder; the suspension mechanism comprises a hanging rod, an adjusting nut is arranged at the bottom of the hanging rod, a supporting plate is arranged above the adjusting nut, and a spring is arranged above the supporting plate.

[0011] Further, the screening cylinder is a cylinder with a conical bottom, and the screen and the screening cylinder are buckle-connected.

[0012] Further, the scraper is a rectangle and is welded with the swing shaft.

[0013] Compared with the prior art, the beneficial effects are:

[0014] 1. The swing spreading device reduces or avoids contact with the screen, reduces damage to the screen, and prolongs the service life.

[0015] 2. The combination of the vortex of the vibrating feed and the swing spreading ensures the comprehensiveness of the screening and speeds up the screening speed.

[0016] 3. The reciprocating swing spreading improves the convenience of feeding. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a structural schematic view of the feed mixing bin feeding port vibrating screen according to the present application;

[0018] Figure 2 is a schematic view of the rack device of the feed mixing bin feeding port vibrating screen according to the present application;

[0019] Figure 3 is a schematic view of the movement device of the feed mixing bin feeding port vibrating screen according to the present application;

[0020] Figure 4 is a schematic view of the uniform distribution device of the feed mixing bin feeding port vibrating screen according to the present application.

[0021] In the drawings: 101, support table; 102, feeding hole; 103, feeding bin; 104, case cover; 105, support leg; 201, screening cylinder; 202, discharge pipe; 203, screen; 204, vibration motor; 205, hanging rod; 206, spring; 207, supporting plate; 208, adjusting nut; 301, swing shaft; 302, scraper; 303, swing motor. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] See also Figures 1-4 A vibrating screen for a feed mixing bin feeding port includes a frame device for supporting and fixing, and a core device installed under the frame device for suspending and vibrating to screen the feed. A uniform distribution device for swinging and spreading the feed is installed in the middle of the frame device.

[0024] In this embodiment, the frame device includes a support platform 101, a feeding bin 103 is provided on the support platform 101, a chassis cover 104 is installed in front of the feeding bin 103, a feeding hole 102 is provided in the middle of the support platform 101, and support legs 105 are provided at the four corners of the bottom of the support platform 101. The feeding hole 102 is circular; open the chassis cover 104, pour the feed into the feeding bin 103, and the feed passes through the feeding hole 102 and falls on the screen 203;

[0025] In this embodiment: the core device includes a screening mechanism for vibrating the feed vortex screening, and a suspension mechanism for suspending and increasing the amplitude is evenly installed on the periphery of the screening mechanism;

[0026] The screening mechanism includes a screen drum 201, which is a cylinder with a conical bottom. A screen mesh 203 is installed on the top surface of the screen drum 201. The screen mesh 203 and the screen drum 201 are snap-connected. Vibration motors 204 are installed on both sides of the screen drum 201, and a discharge pipe 202 is provided at the bottom of the screen drum 201. The vibration motors 204 on both sides alternately drive the screen drum 201 to vibrate, forming eddy currents that converge the feed toward the center. The feed is screened through the screen mesh 203, and small particles of feed are discharged through the discharge pipe 202 at the bottom of the screen drum 201, while large particles of feed remain on the screen mesh 203 to be cleaned.

[0027] The suspension mechanism includes a suspension rod 205, an adjusting nut 208 is provided at the bottom of the suspension rod 205, a supporting plate 207 is provided above the adjusting nut 208, and a spring 206 is provided above the supporting plate 207; the support platform 101 suspends the supporting plate 207 through the suspension rod 205 so that the spring 206 supports the screen drum 201 to increase the amplitude (when the screen drum 201 needs to be adjusted to a horizontal level, it is only necessary to rotate the adjusting nut 208 to push the supporting plate 207 up and down along the suspension rod 205);

[0028] In this embodiment, the uniform distribution device includes a swing shaft 301, on which a scraper 302 is provided. The scraper 302 is rectangular and welded to the swing shaft 301. A swing motor 303 is provided at one end of the swing shaft 301. The swing motor 303 drives the scraper 302 to swing through the swing shaft 301 to spread the feed evenly.

[0029] Working principle: Open the chassis cover 104 and pour the feed into the feeding bin 103. Under the separation of the swing shaft 301, the feed passes through the feeding hole 102 and falls on the screen 203. The support platform 101 suspends the support plate 207 through the suspension rod 205 so that the spring 206 supports the screen drum 201 and increases the amplitude. (When the level of the screen drum 201 needs to be adjusted, just rotate the adjusting nut 208 to push the support plate 207 up and down along the suspension rod 205). The vibration motors 204 on both sides alternately drive the screen drum 201 to vibrate, forming a vortex to make the feed converge to the center. At the same time, the swing motor 303 drives the scraper 302 to swing through the swing shaft 301, spreading the feed evenly and screening the feed through the screen 203. Small particles of feed are discharged through the discharge pipe 202 at the bottom of the screen drum 201, and large particles of feed remain on the screen 203 waiting to be cleaned.

[0030] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A vibrating screen for a feed mixing bin feeding port, comprising a frame device for supporting and fixing, characterized in that: The machine also includes a core device installed below the frame device for suspending and vibrating the feed to screen it, and a uniform distribution device for swinging and spreading the feed installed in the middle of the frame device; The core device includes a screening mechanism for vibrating the feed vortex screening, and the outer periphery of the screening mechanism is evenly equipped with a suspension mechanism for suspending and increasing the amplitude; The uniform distribution device comprises a swing shaft (301), a scraper (302) is provided on the swing shaft (301), and a swing motor (303) is provided at one end of the swing shaft (301).

2. A feed mixing bin feeding port vibrating screen according to claim 1, characterized in that: The frame device comprises a support platform (101), a feeding bin (103) is provided on the support platform (101), a machine box cover (104) is installed in front of the feeding bin (103), and a feeding hole (102) is provided in the middle of the support platform (101).

3. A feed mixing bin feeding port vibrating screen according to claim 2, characterized in that: Support legs (105) are provided at the four corners of the bottom of the support platform (101), and the feeding hole (102) is circular.

4. A feed mixing bin feeding port vibrating screen according to claim 1, characterized in that: The screening mechanism comprises a sieve drum (201), a sieve mesh (203) is installed on the top surface of the sieve drum (201), vibration motors (204) are installed on both sides of the sieve drum (201), and a discharge pipe (202) is provided at the bottom of the sieve drum (201); the suspension mechanism comprises a suspension rod (205), an adjusting nut (208) is provided at the bottom of the suspension rod (205), a support plate (207) is provided above the adjusting nut (208), and a spring (206) is provided above the support plate (207).

5. A feed mixing bin feeding port vibrating screen according to claim 4, characterized in that: The sieve drum (201) is a cylinder with a conical bottom, and the sieve (203) and the sieve drum (201) are snap-connected.

6. A feed mixing bin feeding port vibrating screen according to claim 1, characterized in that: The scraper (302) is rectangular and is welded to the swing shaft (301).

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