CN218340347U - Gravity screening machine for coffee beans - Google Patents

Abstract

The utility model belongs to the technical field of screening machines, in particular to a gravity screening machine for coffee beans, which comprises a box body; a feed inlet is fixedly connected to the top end of the upper part of the box body; a first screen, a second screen and a third screen are fixedly connected to the adjacent inner walls of the box body in an inclined mode, and the first screen, the second screen and the third screen are sequentially placed from top to bottom; the screening apertures of the first screen, the second screen and the third screen are sequentially reduced from top to bottom; a first discharge hole is fixedly connected to the bottom end of the lower part of the first screen; a second discharge hole is fixedly connected to the bottom end of the lower part of the second screen in the left direction; a third discharge hole is fixedly connected to the bottom end of the lower part of the third screen close to the right direction; the bottom ends of the first screen, the second screen and the third screen are provided with anti-blocking assemblies; the utility model provides a coffee bean gravity screening machine to solve the condition that the sieve mesh choking appears in the screening process.

Description

Coffee bean gravity screening machine

Technical Field

The utility model belongs to the technical field of the sieve separator, specific coffee beans gravity screening machine that says so.

Background

The screening machine plays an important role in the material processing and screening process, and the screening machine utilizes screens with different apertures to drive the screens in the vibration process of a motor so as to screen out coffee beans with different specifications; with the continuous progress of the technology level, innovation and development of the technical field of screening machines are carried out to different degrees.

In the prior art, the types of screening machines are various, and generally, coffee beans fall from screens with different apertures in the vibration process of the screening machine, are gathered together and enter a containing device through a discharge port; nevertheless in this in-process, the condition of card in the sieve mesh hole can appear in the coffee beans, for this reason, the utility model provides a stifled coffee beans gravity sieve separator is prevented in slidable.

SUMMERY OF THE UTILITY MODEL

In order to make up the defects of the prior art, the problem that coffee beans fall from screens with different apertures in the vibration process of a screening machine, are gathered together and enter a containing device through a discharge port is solved; however, in this process, the problem of card in the sieve mesh hole can appear in the coffee beans, the utility model provides a can prevent stifled coffee beans gravity sieve separator.

The utility model provides a technical scheme that its technical problem adopted is: the utility model relates to a coffee bean gravity screening machine, which comprises a box body; a feed inlet is fixedly connected to the top end of the upper part of the box body; a first screen, a second screen and a third screen are obliquely and fixedly connected to the adjacent inner walls of the box body, and the first screen, the second screen and the third screen are sequentially arranged from top to bottom; the screening apertures of the first screen, the second screen and the third screen are sequentially reduced from top to bottom; a first discharge hole is fixedly connected to the bottom end of the lower part of the first screen; a second discharge hole is fixedly connected to the bottom end of the lower part of the second screen in the left direction; a third discharge hole is fixedly connected to the bottom end of the lower part of the third screen in the right direction; first screen cloth, second screen cloth and third screen cloth bottom have all been seted up and have been prevented stifled subassembly.

Preferably, the anti-blocking assembly comprises a T-shaped sliding rail; t-shaped sliding rails are fixedly connected to the adjacent inner walls of the box bodies; the T-shaped sliding rail is connected with a sliding block in a sliding manner; a first stop block is fixedly connected to the end part of the T-shaped slide rail; a second stop block is fixedly connected to the side wall of the sliding block; an extension spring is fixedly connected between the first stop block and the second stop block; a rotating shaft is rotatably connected between the pair of sliding blocks, and a cleaning roller is fixedly connected to the rotating shaft; the cleaning roller is pulled by a pulling unit.

Preferably, the traction unit comprises a pull wire; the middle part of the rotating shaft is rotatably connected with a fixed block; a plurality of through holes are formed in the outer panel of the box body; a supporting block is fixedly connected to the position, close to the middle, of the outer panel of the box body; the supporting block is rotatably connected with a winding shaft; the fixed block is connected with the winding shaft through a pull wire; and a manual driving rod is fixedly connected to the outer side surface of the winding shaft.

Preferably, gears are fixedly connected to the two ends, close to the inner wall of the box body, of the rotating shaft; a rack is fixedly connected to the inner wall of the box body; the gear is meshed with the rack.

Preferably, one end of the lower part of the box body is hinged with a pair of pillars; the other end of the lower part of the box body is hinged with a pair of damping springs; the bottom ends of the lower parts of the strut and the damping spring are fixedly connected with a fixing plate; the bottom end of the lower part of the fixed plate is fixedly connected with a motor; the output end of the motor is fixedly connected with a cam, and the cam is contacted with the bottom end of the box body; and supporting legs are fixedly connected to the four corners of the bottom end of the lower part of the fixed plate.

Preferably, a rubber pad is fixedly connected to the bottom end of the lower part of the supporting leg.

The beneficial effects of the utility model are as follows:

1. when the manual driving rod is rotated to drive the winding shaft to collect the pull wire, the pull wire pulls the fixed block and drives the rotating shaft to move through the mutual meshing between the gear and the rack in the rotating process; when the rotating shaft rotates to the innermost end of the box body, the manual driving rod is loosened, and the rotating shaft can quickly return to the original position under the resilience effect of the extension spring, so that the device is convenient and labor-saving.

2. A coffee beans gravity sieve separator, lower part bottom rigid coupling through the fixed plate has the motor, and the output rigid coupling of motor has the cam, in the motor working process, the high-speed turning force of production can let the rigid coupling rotate at the cam of motor output, and the cam can touch the box bottom rotating in-process peak, pillar and damping spring who articulates in box lower part bottom this moment can receive the driving force, damping spring has the elasticity, vibration about this in-process can produce, so coffee beans also can the up-and-down motion in the box, and in entering into different screen meshes according to the difference of self size and gravity, end until the screening.

Drawings

The present invention will be further explained with reference to the accompanying drawings.

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

FIG. 2 is a schematic view of the structure of the present invention;

fig. 3 is a perspective view of the screen of the present invention;

FIG. 4 is a perspective view of the anti-clogging assembly of the present invention;

in the figure: 1. a box body; 2. a feed inlet; 3. a first screen; 4. a second screen; 5. a third screen; 6. a first discharge port; 7. a second discharge port; 8. a third discharge port; 9. a pillar; 10. a damping spring; 11. a fixing plate; 12. a motor; 13. a cam; 14. a T-shaped slide rail; 15. a slider; 16. a first stopper; 17. a second stopper; 18. an extension spring; 19. a rotating shaft; 20. a fixed block; 21. a gear; 22. a rack; 23. a through hole; 24. a spool; 25. a pull wire; 26. a manual drive lever; 27. supporting legs; 28. a rubber pad; 29. and (6) supporting the block.

Detailed Description

In order to make the utility model realize the technical means, creation characteristics, achievement purpose and efficiency are easy to understand and understand, the utility model is further explained by combining the detailed implementation mode.

As shown in fig. 1 to 4, the coffee bean gravity screening machine of the present invention comprises a box body 1; a feed inlet 2 is fixedly connected to the top end of the upper part of the box body 1; a first screen 3, a second screen 4 and a third screen 5 are obliquely and fixedly connected to the adjacent inner walls of the box body 1, and the first screen 3, the second screen 4 and the third screen 5 are sequentially placed from top to bottom; the screening apertures of the first screen 3, the second screen 4 and the third screen 5 are sequentially reduced from top to bottom; a first discharge hole 6 is fixedly connected to the bottom end of the lower part of the first screen 3; a second discharge hole 7 is fixedly connected to the bottom end of the lower part of the second screen 4 close to the left direction; a third discharge hole 8 is fixedly connected to the bottom end of the lower part of the third screen 5 in the right direction; the bottom ends of the first screen mesh 3, the second screen mesh 4 and the third screen mesh 5 are all provided with an anti-blocking component; in operation, when a coffee bean screening machine is used for screening, coffee beans are poured into the box body 1 from the feeding hole 2, three layers of screens, namely a first screen 3, a second screen 4 and a third screen 5, are arranged in the box body 1, the first screen 3, the second screen 4 and the third screen 5 are fixedly connected to the box body 1 in an inclined mode, and the screening apertures of the first screen 3, the second screen 4 and the third screen 5 are sequentially reduced from top to bottom; therefore, after the coffee beans are poured, the coffee beans can enter the screens with different specifications layer by layer under the action of the inclination angle and different pore diameters until the screening is finished.

The anti-blocking assembly comprises a T-shaped sliding rail 14; t-shaped sliding rails 14 are fixedly connected to the adjacent inner walls of the box body 1; the T-shaped slide rail 14 is connected with a slide block 15 in a sliding way; a first stop block 16 is fixedly connected to the end part of the T-shaped slide rail 14; a second stopper 17 is fixedly connected to the side wall of the sliding block 15; an extension spring 18 is fixedly connected between the first stop block 16 and the second stop block 17; a rotating shaft 19 is rotatably connected between the pair of sliding blocks 15, and a cleaning roller is fixedly connected to the rotating shaft 19; the cleaning roller is pulled by a traction unit; in operation, the anti-blocking component is composed of T-shaped slide rails 14 and the like, the T-shaped slide rails 14 are arranged on the adjacent inner walls of the box body 1, the sliding block 15 is connected to the T-shaped slide rails 14 in a sliding mode, a first stop block 16 is fixedly connected to the end portions of the slide rails, a second stop block 17 is fixedly connected to the side walls of the sliding block 15, and an extension spring 18 is fixedly connected between the first stop block 16 and the second stop block 17; the rotating shaft 19 is rotatably connected to the sliding block 15, the upper portion of the rotating shaft is fixedly connected with the cleaning roller, when the sliding block 15 slides on the T-shaped sliding rail 14, the rotating shaft 19 is also driven to move for cleaning, and when the sliding block 15 slides to the other end of the box body 1, the sliding block can automatically reset under the elasticity of the extension spring 18, so that the cleaning device is very convenient.

The traction unit includes a pulling wire 25; the middle part of the rotating shaft 19 is rotatably connected with a fixed block 20; a plurality of through holes 23 are formed in an outer panel of the box body 1; a supporting block 29 is fixedly connected to the outer panel of the box body 1 near the middle position; the supporting block 29 is rotatably connected with a winding shaft 24; the fixed block 20 is connected with the winding shaft 24 through a pull wire 25; a manual driving rod 26 is fixedly connected to the outer side surface of the winding shaft 24; when the device works, the pull wire 25 is wound in a reserved hole of the fixed block 20, the fixed block 20 is rotatably connected to the middle of the rotating shaft 19, the pull wire 25 penetrates through a through hole 23 in an outer panel of the box body 1 and is connected to the winding shaft 24, the winding shaft 24 is rotatably connected to the supporting block 29, and a manual driving rod 26 is fixedly connected to the outer side face of the winding shaft 24; at this moment, the manual driving rod 26 is rotated to drive the winding shaft 24 to wind, the rotating shaft 19 moves towards one end of the box body 1 under the dragging of the stay wire 25, the cleaning roller on the rotating shaft 19 works at this moment, coffee beans blocked on the screen mesh well fall off, and the anti-blocking effect is achieved.

A gear 21 is fixedly connected to two ends of the rotating shaft 19, which are close to the inner wall of the box body 1; a rack 22 is fixedly connected to the inner wall of the box body 1; the gear 21 is meshed with the rack 22; in the work, the two ends of the rotating shaft 19 are fixedly connected with the gear 21 in the direction close to the inner wall of the box body 1, the inner wall of the box body 1 is provided with a long rack 22, and the gear 21 and the rack 22 can move under the meshing action in the rotating process; therefore, when people rotate the manual driving rod 26 to drive the winding shaft 24 to collect the pull wire 25, the pull wire 25 pulls the fixing block 20 and drives the rotating shaft 19 to move through the mutual meshing between the gear 21 and the rack 22 in the rotating process; when the rotating shaft 19 rotates to the innermost end of the box body 1, the manual driving rod 26 is loosened, and the rotating shaft 19 can quickly return to the original position under the resilience action of the extension spring 18, so that the convenience and the labor saving are realized.

One end of the lower part of the box body 1 is hinged with a pair of supporting columns 9; the other end of the lower part of the box body 1 is hinged with a pair of damping springs 10; the bottom ends of the lower parts of the strut 9 and the damping spring 10 are fixedly connected with a fixing plate 11; the bottom end of the lower part of the fixed plate 11 is fixedly connected with a motor 12; the output end of the motor 12 is fixedly connected with a cam 13, and the cam 13 is contacted with the bottom end of the box body 1; four corners of the bottom end of the fixed plate 11 are fixedly connected with supporting legs 27; in operation, open the motor 12 of rigid coupling in fixed plate 11 lower part, and the output rigid coupling of motor 12 has cam 13, in the working process of motor 12, the high-speed turning force of production can let the cam 13 of rigid coupling at the motor 12 output rotate, and cam 13 can touch 1 bottom of box in the rotation process peak, pillar 9 and damping spring 10 that articulate in 1 lower part bottom of box this moment can receive the driving force, damping spring 10 has the elasticity, can produce vibration from top to bottom at this in-process, so the coffee beans also can the up-and-down motion in box 1, and enter into different screens according to the difference of self size and gravity, end until the screening.

The bottom end of the lower part of the supporting leg 27 is fixedly connected with a rubber pad 28; the rubber pad 28 is arranged at the lower bottom end of the supporting leg 27, so that the bottom surface can be better protected when the screening machine works.

The working principle is as follows: in operation, when a coffee bean screening machine is used for screening, coffee beans are poured into the box body 1 from the feeding hole 2, three layers of screens, namely a first screen 3, a second screen 4 and a third screen 5, are arranged in the box body 1, the first screen 3, the second screen 4 and the third screen 5 are fixedly connected to the box body 1 in an inclined mode, and the screening apertures of the first screen 3, the second screen 4 and the third screen 5 are sequentially reduced from top to bottom; after coffee beans are poured, the coffee beans can enter screens with different specifications layer by layer under the action of an inclination angle and different apertures, and then enter the containing device from the first discharge port 6, the second discharge port 7 and the third discharge port 8 until the screening is finished; the anti-blocking component comprises T-shaped slide rails 14 and the like, the adjacent inner walls of the box body 1 are provided with the T-shaped slide rails 14, sliding blocks 15 are connected to the T-shaped slide rails 14 in a sliding mode, the end parts of the slide rails are fixedly connected with first stop blocks 16, the side walls of the sliding blocks 15 are fixedly connected with second stop blocks 17, and extension springs 18 are fixedly connected between the first stop blocks 16 and the second stop blocks 17; the rotating shaft 19 is rotatably connected to the sliding block 15, the upper part of the rotating shaft is fixedly connected with the cleaning roller, when the sliding block 15 slides on the T-shaped sliding rail 14, the rotating shaft 19 is driven to move and clean, when the sliding block 15 slides to the other end of the box body 1, the sliding block can automatically reset under the elasticity of the extension spring 18, and the cleaning device is very convenient; the pulling wire 25 is wound in a preformed hole of the fixed block 20, the fixed block 20 is rotatably connected to the middle part of the rotating shaft 19, the pulling wire 25 passes through a through hole 23 on the outer panel of the box body 1 and is connected to the winding shaft 24, the winding shaft 24 is rotatably connected to the supporting block 29, and the outer side surface of the winding shaft 24 is fixedly connected with the manual driving rod 26; at the moment, the manual driving rod 26 is rotated to drive the winding shaft 24 to wind, the rotating shaft 19 moves towards one end of the box body 1 under the dragging of the pull wire 25, and the cleaning roller on the rotating shaft 19 works to well drop coffee beans blocked on the screen mesh, so that the anti-blocking effect is achieved; a gear 21 is fixedly connected to the two ends of the rotating shaft 19 in the direction close to the inner wall of the box body 1, a long rack 22 is arranged on the inner wall of the box body 1, and the gear 21 and the rack 22 can move under the meshing action in the rotating process; therefore, when people rotate the manual driving rod 26 to drive the winding shaft 24 to collect the pull wire 25, the pull wire 25 pulls the fixing block 20 and drives the rotating shaft 19 to move through the mutual meshing between the gear 21 and the rack 22 in the rotating process; when the rotating shaft 19 rotates to the innermost end of the box body 1, the manual driving rod 26 is loosened, and the rotating shaft 19 can quickly return to the original position under the resilience effect of the extension spring 18, so that convenience and labor saving are realized; the motor 12 fixedly connected to the lower portion of the fixing plate 11 is opened, the output end of the motor 12 is fixedly connected with the cam 13, in the working process of the motor 12, the cam 13 fixedly connected to the output end of the motor 12 can rotate by the generated high-speed rotating force, the highest point of the cam 13 can touch the bottom end of the box body 1 in the rotating process, the strut 9 and the damping spring 10 hinged to the bottom end of the lower portion of the box body 1 can be subjected to transmission force, the damping spring 10 has elasticity, and can vibrate up and down in the rotating process, so that coffee beans can also move up and down in the box body 1 and enter different screen meshes according to the difference of the size and gravity of the coffee beans until screening is finished; the rubber pads 28 are arranged at the lower bottom ends of the supporting legs 27, so that the bottom surface can be better protected when the screening machine works.

The front, the back, the left, the right, the upper and the lower are all based on figure 1 in the attached drawings of the specification, according to the standard of the observation angle of a person, the side of the device facing an observer is defined as the front, the left side of the observer is defined as the left, and the like.

In the description of the present invention, it is to be understood that the terms "central", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the invention.

The foregoing illustrates and describes the general principles, features and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. A gravity screening machine for coffee beans is characterized by comprising a box body (1); a feed inlet (2) is fixedly connected to the top end of the upper part of the box body (1); a first screen (3), a second screen (4) and a third screen (5) are obliquely and fixedly connected to the adjacent inner walls of the box body (1), and the first screen (3), the second screen (4) and the third screen (5) are sequentially placed from top to bottom; the screening apertures of the first screen (3), the second screen (4) and the third screen (5) are sequentially reduced from top to bottom; a first discharge hole (6) is fixedly connected to the bottom end of the lower part of the first screen (3); a second discharge hole (7) is fixedly connected to the bottom end of the lower part of the second screen (4) close to the left direction; a third discharge hole (8) is fixedly connected to the bottom end of the lower part of the third screen (5) close to the right direction; anti-blocking components are arranged at the bottom ends of the first screen (3), the second screen (4) and the third screen (5).

2. The coffee bean gravity screen of claim 1, characterized in that the anti-clogging assembly comprises a T-shaped slide (14); t-shaped sliding rails (14) are fixedly connected to the adjacent inner walls of the box body (1); the T-shaped sliding rail (14) is connected with a sliding block (15) in a sliding way; a first stop block (16) is fixedly connected to the end part of the T-shaped sliding rail (14); a second stop block (17) is fixedly connected to the side wall of the sliding block (15); an extension spring (18) is fixedly connected between the first stop block (16) and the second stop block (17); a rotating shaft (19) is rotatably connected between the pair of sliding blocks (15), and a cleaning roller is fixedly connected to the rotating shaft (19); the cleaning roller is pulled by a traction unit.

3. A coffee bean gravity screen according to claim 2, characterized in that the traction unit comprises a stay wire (25); the middle part of the rotating shaft (19) is rotatably connected with a fixed block (20); a plurality of through holes (23) are formed in an outer panel of the box body (1); a supporting block (29) is fixedly connected to the outer panel of the box body (1) close to the middle; the supporting block (29) is rotatably connected with a winding shaft (24); the fixed block (20) is connected with the winding shaft (24) through a pull wire (25); and a manual driving rod (26) is fixedly connected to the outer side surface of the winding shaft (24).

4. A gravity sieve separator for coffee beans according to claim 3, characterized in that gears (21) are fixedly connected to both ends of the rotating shaft (19) close to the inner wall of the box body (1); a rack (22) is fixedly connected to the inner wall of the box body (1); the gear (21) is meshed with the rack (22).

5. A gravity sieve separator for coffee beans according to claim 4, characterized in that a pair of pillars (9) is hinged to one end of the lower portion of said box body (1); the other end of the lower part of the box body (1) is hinged with a pair of damping springs (10); the bottom ends of the lower parts of the pair of the struts (9) and the damping springs (10) are fixedly connected with a fixing plate (11); the bottom end of the lower part of the fixed plate (11) is fixedly connected with a motor (12); the output end of the motor (12) is fixedly connected with a cam (13), and the cam (13) is contacted with the bottom end of the box body (1); and supporting legs (27) are fixedly connected at four corners of the bottom end of the lower part of the fixing plate (11).

6. The gravity screening machine of claim 5, wherein a rubber pad (28) is fixed to the lower bottom end of the support leg (27).

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