CN219276352U - Granule sieving mechanism - Google Patents

Abstract

The utility model discloses a particle screening device, and relates to the field of particle screening. The utility model comprises a cabinet body, wherein a first movable frame is arranged above the inside of the cabinet body, a first screen is arranged on the first movable frame, a cam is arranged at the bottom of the first movable frame, a second movable frame is arranged at the bottom of the cam, a second screen is arranged on the second movable frame, a limit spring is fixedly connected to the bottom of the second movable frame, a fixed plate is arranged at the bottom of the limit spring, a guide plate is arranged at one end, far away from the cabinet body, of the fixed plate, and the first screen and the second screen are arranged.

Description

Granule sieving mechanism

Technical Field

The utility model relates to the field of particle screening, in particular to a particle screening device.

Background

PBT is a thermoplastic polyester, is widely applied to electronic, electric and automobile industries, is suitable for injection molding, extrusion, blow molding, coating and various secondary processing and forming, and the processed and formed PBT particles are used as commodities, and the quality of finished products is influenced by uneven size, so that a particle screening device is required to screen particle materials.

The existing particle screening device generally uses an inclined screen, utilizes the vibration of the inclined screen to screen PBT particles, but the slope gradient of the inclined screen is large, no buffer exists, and less PBT particles can not pass through the screening of the screen yet, and roll off due to the collision between the gradient and the particles, so that the products which do not meet the specification still exist in the screened finished PBT particles, and the use is affected.

Accordingly, the inventor has the problem of providing a particle screening device for achieving the purpose of more practical value by keeping the experience of design development and actual production in the related industry for many years and researching and improving the existing structure and the defects.

Disclosure of Invention

Based on the above, the utility model aims to provide a particle screening device for solving the technical problem that PBT particles are not thoroughly screened.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a granule sieving mechanism, includes the cabinet body, the external one side of cabinet is provided with the honeycomb duct, the external opposite side of cabinet is provided with the second discharge gate, cabinet body bottom one side is provided with first discharge gate, cabinet body bottom opposite side is provided with the third discharge gate, cabinet body inside top is provided with first fly frame, be provided with first screen cloth on the first fly frame, first fly frame bottom is provided with the cam, the cam bottom is provided with the second fly frame, be provided with the second screen cloth on the second fly frame, just first screen cloth and second screen cloth are the wave platy, second fly frame bottom fixedly connected with spacing spring, spacing spring bottom is provided with the fixed plate, just fixed plate one end and cabinet body inner wall fixed connection, cabinet body one end is kept away from to the fixed plate is provided with the deflector, just the one end and the cabinet body bottom inner wall fixed connection of fixed plate are kept away from to the deflector.

Through adopting above-mentioned technical scheme, sieving PBT granule into three kinds of specifications, be different from vibrating motor's frequent violent vibration, the cam rotates at the uniform velocity along with servo motor, can reduce the vibration amplitude when guaranteeing the vibration, reduces the friction of screening process to the PBT granule.

Further, first movable frame one end is connected through the pivot rotation with the cabinet body, first movable frame other end overlap joint in honeycomb duct entry end, second movable frame one end is connected through the pivot rotation with the cabinet body, second movable frame, spacing spring and fixed plate constitute elastic construction.

By adopting the technical scheme, the first movable frame and the second movable frame vibrate along with the approach and the separation of the protruding end of the cam in the rotation process of the cam.

Further, a servo motor is arranged above one side outside the cabinet body, and the output end of the servo motor is fixedly connected with the cam.

Through adopting above-mentioned technical scheme for the cam can be rotatory under servo motor's drive, supplementary first screen cloth and the vibration of second screen cloth.

Further, the mesh aperture of the first screen is larger than the mesh aperture of the second screen.

Through adopting above-mentioned technical scheme, the wave design of first screen cloth and second screen cloth provides the buffering for the whereabouts of PBT granule, makes the granule have sufficient time to pass through the screen cloth, never guarantees the accuracy of screening result.

Further, the bottom of the cabinet body extends out of the bottom plate, a blower is arranged on the bottom plate and is electrically connected with an external power supply, and the output end of the blower penetrates into the cabinet body.

Through adopting above-mentioned technical scheme, because of need high temperature to mould the product when producing PBT granule, the granule finished product temperature of just producing is higher, and the granule cooling can be helped in the setting of air-blower, collects cooling and screening an organic wholely, saves the loaded down with trivial details of many flows, has effectively practiced thrift the time.

Further, the first movable frame and the second movable frame are opposite in inclination direction, and the second movable frame is consistent with the second discharge hole in inclination.

Through adopting above-mentioned technical scheme for the PBT granule of different specifications can be orderly collected to different boxes in, makes classification and packaging process more convenient.

In summary, the utility model has the following advantages:

1. according to the utility model, the first screen and the second screen are arranged, the screens are designed in a wave manner, so that good buffering is arranged for downward movement of the particles, and the time for the particles to stay on the screens is prolonged, so that the particles are mutually extruded and collided when the screen vibrates the particles to roll, and the particles smaller than the aperture of the screen have enough time to be screened to the lower layer;

2. according to the utility model, the cam is arranged to rotate at a constant speed along with the servo motor, so that the vibration amplitude can be reduced while the vibration is ensured, and the friction of the screening process on PBT particles is reduced.

Drawings

FIG. 1 is a schematic view of a front cross-sectional structure of the present utility model;

FIG. 2 is a schematic perspective view of the present utility model;

fig. 3 is a schematic side view of the cam of the present utility model.

In the figure: 1. a cabinet body; 2. a feed inlet; 3. a first discharge port; 4. a second discharge port; 5. a third discharge port; 6. a first movable frame; 7. a second movable frame; 8. a first screen; 9. a second screen; 10. a servo motor; 11. a limit spring; 12. a flow guiding pipe; 13. a guide plate; 14. a blower; 15. a fixing plate; 16. a cam.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

Hereinafter, an embodiment of the present utility model will be described in accordance with its entire structure.

The particle screening device, as shown in figures 1-3, comprises a cabinet body 1, wherein one side outside the cabinet body 1 is provided with a flow guide pipe 12, the other side outside the cabinet body 1 is provided with a second discharge port 4, one side of the bottom of the cabinet body 1 is provided with a first discharge port 3, the other side of the bottom of the cabinet body 1 is provided with a third discharge port 5, a first movable frame 6 is arranged above the inside of the cabinet body 1, a first screen 8 is arranged on the first movable frame 6, a cam 16 is arranged at the bottom of the first movable frame 6, a second movable frame 7 is arranged at the bottom of the cam 16, a second screen 9 is arranged on the second movable frame 7, the first screen 8 and the second screen 9 are both in a wave plate shape, a limiting spring 11 is fixedly connected to the bottom of the second movable frame 7, the limiting spring 11 bottom is provided with fixed plate 15, and fixed plate 15 one end and cabinet body 1 inner wall fixed connection, fixed plate 15 is kept away from cabinet body 1 one end and is provided with deflector 13, and the one end that fixed plate 15 was kept away from to deflector 13 is different from vibrating motor's frequent violent vibration with cabinet body 1 bottom inner wall fixed connection, cam 16 rotates at the uniform velocity along with servo motor 10, can reduce vibration amplitude when guaranteeing the vibration, reduce the friction of screening process to the PBT granule, and, screen for three kinds of specifications with the PBT granule through this process, first discharge gate 3 sieves out the coarse fodder, third discharge gate 5 sieves out the fine fodder, second discharge gate 4 then sieves out the product of specification between coarse fodder and fine fodder.

Referring to fig. 1 and 3, one end of the first movable frame 6 is rotatably connected with the cabinet body 1 through a rotating shaft, the other end of the first movable frame 6 is lapped at the inlet end of the flow guiding pipe 12, one end of the second movable frame 7 is rotatably connected with the cabinet body 1 through the rotating shaft, the second movable frame 7, the limiting spring 11 and the fixed plate 15 form an elastic structure, so that the first movable frame 6 and the second movable frame 7 vibrate along with the approach and the separation of the protruding end of the cam 16 in the rotating process of the cam 16, and coarse materials screened by the first screen 8 can pass through the flow guiding pipe 12 smoothly and fall into the third discharge port 5.

Referring to fig. 1 and 3, a servo motor 10 is disposed above one side of the cabinet body 1, and an output end of the servo motor 10 is fixedly connected with a cam 16, so that the cam 16 can rotate under the driving of the servo motor 10, and vibration of the first screen 8 and the second screen 9 is assisted, so that screen blockage caused by excessive materials is prevented.

Referring to fig. 1, the mesh aperture of the first screen 8 is larger than that of the second screen 9, and the wave design of the first screen 8 and the second screen 9 provides buffering for the falling of the PBT particles, so that the particles can pass through the screens for enough time, and the accuracy of the screening result is not ensured, so that three particle finished products with different specifications are sequentially screened out.

Referring to fig. 1 and 2, the bottom of the cabinet body 1 extends out of the bottom plate, the blower 14 is arranged on the bottom plate, the blower 14 is electrically connected with an external power supply, the output end of the blower 14 penetrates into the cabinet body 1, the product is molded at a high temperature when PBT particles are produced, the temperature of the newly produced particle finished product is higher, the blower 14 can help the particles to cool down, the cooling and screening are integrated, the complicated processes of multiple processes are omitted, and the time is effectively saved, so that the product is packaged more quickly after the screening is finished.

Referring to fig. 1, the first movable frame 6 and the second movable frame 7 are opposite in inclination direction, and the second movable frame 7 is consistent with the second discharge hole 4 in inclination, so that the screened particles can smoothly fall down, and the PBT particles with different specifications can be orderly collected into different boxes, so that the classification and packaging processes are more convenient.

The implementation principle of the embodiment is as follows: starting a power supply, enabling finished PBT particles to enter the cabinet body 1 through the feed inlet 2, and enabling the particles entering the cabinet body 1 to pass through a first screen 8 fixed on a first movable frame 6; secondly, the servo motor 10 is started to drive the cam 16 to rotate, when the protruding end of the cam 16 rotates to the bottom of the first movable frame 6, the protruding end of the cam 16 pushes the first movable frame 6 to move upwards, then the cam 16 continues to rotate to drive the protruding end of the cam 16 to be away from the first movable frame 6, the first movable frame 6 falls down due to gravity to complete one-time vibration, the first movable frame 6 vibrates to drive PBT particles on the first screen 8 to roll, good buffering is arranged for the downward movement of the particles due to the wave design of the first screen 8, the time that the particles stay on the screen is prolonged, so that when the vibrating particles of the screen roll, the particles are mutually extruded and collide, the particles smaller than the aperture of the first screen 8 are sufficiently time to be screened to the second screen 9 on the lower layer, and the particles larger than the aperture of the first screen 8 smoothly fall into the first discharge port 3 after the cooling air blown by the blower 14 smoothly passes through the honeycomb duct 12 due to the vibration of the first screen 8; finally, when the protruding end of the cam 16 rotates to the second movable frame 7, the limiting spring 11 at the bottom of the second movable frame 7 is stressed to shrink, the second movable frame 7 moves downwards, then the cam 16 continues to rotate, after the protruding end of the cam 16 is far away from the second movable frame 7, the limiting spring 11 resets to push the second movable frame 7 to move upwards, vibration is completed, particles smaller than the aperture of the second screen 9 smoothly fall, the particles are guided by the guide plate 13 to be discharged from the third discharge hole 5, particles larger than the aperture of the second screen 9 smoothly fall into the second discharge hole 4, and the whole screening process is continuously provided with cold air due to the blower 14, so that the temperature reduction of all specification particles is completed.

Although embodiments of the utility model have been shown and described, the detailed description is to be construed as exemplary only and is not limiting of the utility model as the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and modifications, substitutions, variations, etc. may be made in the embodiments as desired by those skilled in the art without departing from the principles and spirit of the utility model, provided that such modifications are within the scope of the appended claims.

Claims (6)

1. The utility model provides a granule sieving mechanism, includes cabinet body (1), its characterized in that: the novel multifunctional kitchen cabinet is characterized in that a honeycomb duct (12) is arranged on one side of the outside of the cabinet body (1), a second discharging hole (4) is formed in the other side of the outside of the cabinet body (1), a first discharging hole (3) is formed in one side of the bottom of the cabinet body (1), a third discharging hole (5) is formed in the other side of the bottom of the cabinet body (1), a first movable frame (6) is arranged above the inside of the cabinet body (1), a first screen cloth (8) is arranged on the first movable frame (6), a cam (16) is arranged at the bottom of the first movable frame (6), a second screen cloth (9) is arranged on the second movable frame (7), a first screen cloth (8) and the second screen cloth (9) are all in a wavy plate shape, a limiting spring (11) is fixedly connected to the bottom of the second movable frame (7), a fixed plate (15) is arranged at the bottom of the limiting spring (11), one end of the fixed plate (15) is fixedly connected with the inner wall of the cabinet body (1), and one end of the fixed plate (15) is far away from the fixed plate (13) and is far away from the fixed plate (13).

2. The particle screening apparatus of claim 1, wherein: one end of the first movable frame (6) is rotationally connected with the cabinet body (1) through a rotating shaft, the other end of the first movable frame (6) is lapped at the inlet end of the guide pipe (12), one end of the second movable frame (7) is rotationally connected with the cabinet body (1) through the rotating shaft, and the second movable frame (7), the limiting spring (11) and the fixed plate (15) form an elastic structure.

3. The particle screening apparatus of claim 1, wherein: a servo motor (10) is arranged above one side of the outer part of the cabinet body (1), and the output end of the servo motor (10) is fixedly connected with a cam (16).

4. The particle screening apparatus of claim 1, wherein: the mesh aperture of the first screen (8) is larger than that of the second screen (9).

5. The particle screening apparatus of claim 1, wherein: the bottom of the cabinet body (1) extends out of the bottom plate, a blower (14) is arranged on the bottom plate, the blower (14) is electrically connected with an external power supply, and the output end of the blower (14) penetrates into the cabinet body (1).

6. The particle screening apparatus of claim 1, wherein: the inclination directions of the first movable frame (6) and the second movable frame (7) are opposite, and the inclination of the second movable frame (7) is consistent with that of the second discharge hole (4).

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