CN209849265U - A screening plant for sieving spina date seed and wild jujube stone - Google Patents

Abstract

The utility model discloses a screening plant for screening spina date seeds and spina date seeds, which comprises a frame, a feeding device and a screening device, wherein the feeding device is arranged on the frame, the screening device is obliquely arranged in the frame, and the upper part of the screening device is positioned under the feeding device; the feeding device comprises a hopper and a flow limiting mechanism, the flow limiting mechanism is arranged on the rack through a supporting plate and is positioned under the hopper, the flow limiting mechanism comprises a box body, a rotating shaft, a flow limiting plate and a driving motor, a feeding hole and a discharging hole are formed in the box body, and the feeding hole is abutted to an outlet of the hopper; the rotating shaft is arranged in the box body, and one end of the rotating shaft extends to the outside of the box body and is connected with the driving motor on the bracket; a plurality of current-limiting plates are evenly distributed along the circumferential direction of the rotating shaft, and the box body is divided into a plurality of cavities. The utility model discloses can adjust unloading speed, avoid the material to take place to block up in the hopper exit, produce the defect that the screening is inhomogeneous, the screening speed is slow, the screening efficiency is poor.

Description

A screening plant for sieving spina date seed and wild jujube stone

Technical Field

The utility model relates to a screening plant, especially a screening plant for sieving spina date seed and spine date seed.

Background

The wild jujube is one of fruit jujubes, is mainly wild, is rich in nutrition and has excellent health care function, so that the wild jujube can be called as a treasure for promoting health, wherein the wild jujube contains fatty oil and protein, has medicinal value and can be used for raw use or prepared into decoction and powder; the wild jujube stone can be matched with other medicines for drinking, has a certain function of reducing blood pressure, and the current wild jujube treatment process mainly comprises three processes of cleaning, crushing and screening, wherein the screening process mainly comprises screening through a vibrating screen, but is easily influenced by the blanking speed in the screening process, so that the screening is uneven, the screening speed is low, and the screening efficiency is poor.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the above-mentioned technical problem among the prior art to a certain extent at least. In view of this, the utility model discloses need provide a screening plant for sieving spina date seed and spine date seed can adjust unloading speed, avoids the material to take place to block up in the hopper exit, produces the defect that the screening is inhomogeneous, the screening speed is slow, screening efficiency is poor.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:

a screening device for screening spina date seeds and spina date seeds is characterized by comprising a rack, a feeding device and a screening device, wherein the feeding device is arranged on the rack; the feeding device comprises a hopper and a flow limiting mechanism, the flow limiting mechanism is arranged on the rack through a supporting plate and is positioned under the hopper, the flow limiting mechanism comprises a box body, a rotating shaft, a flow limiting plate and a driving motor, a feeding hole and a discharging hole are formed in the box body, and the feeding hole is abutted to an outlet of the hopper; the rotating shaft is arranged in the box body, and one end of the rotating shaft extends to the outside of the box body and is connected with the driving motor on the bracket; the plurality of flow limiting plates are evenly distributed along the circumferential direction of the rotating shaft, and the box body is divided into a plurality of cavities.

According to the utility model discloses an embodiment, both ends are provided with the baffle respectively about the current-limiting plate

According to an embodiment of the present invention, the screening device comprises a material receiver, a screening frame, a driving mechanism, and a transmission mechanism, wherein the material receiver is arranged on the frame, the screening frame is arranged above the material receiver and parallel to the material receiver, and a predetermined distance is provided between the screening frame and the material receiver; the driving mechanism is arranged on the rack and is positioned on the left side of the material receiver; one end of the transmission mechanism is connected with the driving mechanism, and the other end of the transmission mechanism is connected with the screening frame.

According to the utility model discloses an embodiment, set up the export on the position that is close actuating mechanism on the bottom plate of receiver, and the exit is equipped with the baffle box.

According to the utility model discloses an embodiment, screening frame includes the frame and establishes screening board in the frame, the frame is the rectangular frame that has the left side opening.

According to an embodiment of the invention, the transmission is a cam transmission.

According to an embodiment of the present invention, the driving mechanism is a stepping motor.

Due to the adoption of the technical scheme, the utility model discloses the technological progress who gains is:

the utility model discloses designed current-limiting mechanism in the exit of hopper, cut apart into a plurality of cavitys with the box through the design of axis of rotation, current-limiting plate, when driving motor drives the axis of rotation pivoted, be located in different cavitys on the material falls to screening plant from the discharge gate one by one, can guarantee the even whereabouts of material like this, need shut down after the export of avoiding the material to block up the funnel and dredge, and the screening speed that brings is slow, the defect that screening efficiency is poor.

Drawings

Fig. 1 is a perspective view of the present invention;

fig. 2 is a front view of the present invention;

FIG. 3 is a partial block diagram of the present invention;

reference numerals:

1. the device comprises a rack, 2, a hopper, 3, a flow limiting mechanism, 31, a box body, 32, a rotating shaft, 33, a flow limiting plate, 34, a driving motor, 35, a baffle plate, 4, a screening device, 41, a material receiver, 411, a material guide groove, 42, a screening frame, 421, a frame, 422, a screening plate, 43, a driving mechanism, 44, a transmission mechanism, 45, a connecting plate, 5 and a discharging channel.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

As shown in figure 1, the screening device for screening the spina date seeds and the spina date seeds comprises a frame 1, a feeding device and a screening device 4,

as shown in fig. 1 and 2, the feeding device is arranged on a frame 1, the feeding device comprises a hopper 2 and a flow limiting mechanism 3, the flow limiting mechanism 3 is arranged on the frame 1 through a supporting plate 4 and is positioned right below the hopper 2, and an outlet of the hopper 2 is communicated with an inner cavity of the flow limiting mechanism 3;

as shown in fig. 3, the flow limiting mechanism 3 includes a box 31, a rotating shaft 32, a flow limiting plate 33, and a driving motor 34, wherein a feeding port and a discharging port are arranged on the box 1, the feeding port is abutted against an outlet of the hopper, and the feeding port of the box can be connected with the hopper by welding; the rotating shaft 32 is arranged in the box body 31, and one end of the rotating shaft 32 extends out of the box body and is connected with a driving motor 34 positioned on the bracket; the plurality of flow restriction plates 34 are uniformly arranged along the circumferential direction of the rotating shaft 32, and divide the box body 31 into a plurality of cavities; the baffle plates 35 are respectively arranged at the left end and the right end of the flow restriction plate 34; when the driving motor 34 drives the rotating shaft 32 to rotate, materials in different cavities sequentially fall onto the screening device from the discharge port, so that the uniform falling of the materials can be ensured, and the defects of slow screening speed and poor screening efficiency caused by stopping the machine for dredging after the materials block the outlet of the hopper are avoided; a discharging channel 5 is arranged at the discharging opening.

The screening device 4 is obliquely arranged in the frame 1, namely the distance from the upper part of the screening device to the ground is greater than the distance from the lower part of the screening device to the ground, and the upper part of the screening device 4 is positioned under the feeding device, so that all materials falling from the feeding device fall onto the screening device; the screening device 4 comprises a material receiver 41, a screening frame 42, a driving mechanism 43 and a transmission mechanism 44, wherein the material receiver 41 is arranged on the frame 1, the screening frame 42 is arranged above the material receiver 41 and is arranged in parallel with the material receiver, and a preset distance is arranged between the screening frame 42 and the material receiver 41; the screening frame 42 is fixedly connected with the material receiver 41 through a plurality of connecting plates 45; the driving mechanism 43 is arranged on the frame 1 and is positioned at the left side of the material receiver 41; one end of the transmission mechanism 44 is connected with the driving mechanism 43, the other end of the transmission mechanism 44 is connected with the screening frame 42, the driving mechanism drives the screening frame to reciprocate left and right through the transmission mechanism, and screening of materials is achieved, wherein the transmission mechanism is a cam transmission mechanism, so that the movement stability can be guaranteed, and the screening efficiency is guaranteed; the transmission mechanism comprises an eccentric wheel sleeved at the output end of the driving mechanism, a driving rod arranged on the eccentric wheel and a connecting shaft connected with the driving rod, and the connecting shaft is fixedly connected with the screening frame. The driving mechanism can adopt a stepping motor, the stepping motor is driven by a stepping driver, the stepping driver is in point connection with the single chip microcomputer, and the action of the stepping motor can be programmed by inputting corresponding parameters on the single chip microcomputer, so that forward transmission/reverse transmission in different time periods is realized, or rotation at different speeds is performed in different time periods.

An outlet is formed in the bottom plate of the material receiver 41 close to the driving mechanism 43, and a material guiding groove 411 is formed in the outlet, so that the material falling into the material receiver can slide to the outlet along the bottom plate of the material receiver due to the inclined arrangement of the material receiver 41, and then is collected into the collecting device through the material guiding groove 411. The screening frame 42 includes a frame 421 and a screening plate 422 disposed in the frame, and the frame is a rectangular frame with a left opening.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims (7)

1. A screening device for screening spina date seeds and spina date seeds is characterized by comprising a rack, a feeding device and a screening device, wherein the feeding device is arranged on the rack; the feeding device comprises a hopper and a flow limiting mechanism, the flow limiting mechanism is arranged on the rack through a supporting plate and is positioned under the hopper, the flow limiting mechanism comprises a box body, a rotating shaft, a flow limiting plate and a driving motor, a feeding hole and a discharging hole are formed in the box body, and the feeding hole is abutted to an outlet of the hopper; the rotating shaft is arranged in the box body, and one end of the rotating shaft extends to the outside of the box body and is connected with the driving motor on the bracket; the plurality of flow limiting plates are evenly distributed along the circumferential direction of the rotating shaft, and the box body is divided into a plurality of cavities.

2. The screening device for screening spina date seeds and spina date seeds of claim 1, wherein the left and right ends of the flow limiting plate are respectively provided with a baffle.

3. The screening device for screening spina date seeds and spina date seeds of claim 1, wherein the screening device comprises a material receiver, a screening frame, a driving mechanism and a transmission mechanism, the material receiver is arranged on the rack, the screening frame is arranged above the material receiver and is parallel to the material receiver, and a preset distance is reserved between the screening frame and the material receiver; the driving mechanism is arranged on the rack and is positioned on the left side of the material receiver; one end of the transmission mechanism is connected with the driving mechanism, and the other end of the transmission mechanism is connected with the screening frame.

4. The screening device for screening spina date seeds and spina date seeds of claim 3, wherein an outlet is formed in a position, close to the driving mechanism, on a bottom plate of the material receiver, and a material guide groove is formed in the outlet.

5. The screening device of claim 3, wherein the screening frame comprises a frame and a screening plate arranged in the frame, and the frame is a rectangular frame with an opening at the left side.

6. The device of claim 3, wherein the driving mechanism is a cam driving mechanism.

7. The device of claim 3, wherein the driving mechanism is a stepper motor.