CN219943546U - Coffee bean screening mechanism - Google Patents

Abstract

The utility model relates to the technical field of coffee bean screening, and discloses a coffee bean screening mechanism which comprises a screening frame, wherein a sleeve is arranged on one side wall of the screening frame, a rotating shaft is connected to one side wall of the sleeve through a bearing, a first bevel gear is arranged at one end of the rotating shaft, a sliding rod is connected to the inside of the sleeve in a sliding mode, a supporting plate is arranged at the top of the sliding rod, springs are arranged at the tops of the supporting plate and the screening frame, a hinged support is arranged at the top of the springs, a screening groove is hinged to the top of the hinged support, a vibrator is arranged on one side wall of the screening groove, a fixed block is arranged in the first bevel gear, a threaded rod is connected to one side wall of the fixed block through a bearing, the threaded rod is connected with the sliding rod through threads, a second bevel gear is arranged at one end of the threaded rod, and meshed connection between the second bevel gear and the rotating shaft is achieved, so that the inclination angle of a screen can be adjusted, the screening speed of coffee beans can be changed, and the screening efficiency of the coffee beans can be effectively improved.

Description

Coffee bean screening mechanism

Technical Field

The utility model relates to the technical field of coffee bean screening, in particular to a coffee bean screening mechanism.

Background

Coffee beans, which are plant fruits used for making coffee, broadly speaking, there are 2 kinds of coffee beans, alebica beans and robusta beans in the world, the coffee fruits are composed of two oval seeds, the mutually joined surfaces are flat junctions, namely flat beans, but also are composed of one round seed, namely round beans, the taste of the round beans is not different, in order to obtain high-quality coffee beans, the coffee beans are required to be classified, and the particle size of the coffee beans often determines the quality of the coffee beans, so that the screening classification of the coffee beans by adopting a screening device is quite common and necessary.

The retrieved Chinese patent number CN218340347U discloses 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; the first screen, the second screen and the third screen are obliquely and fixedly connected to the adjacent inner walls of the box body, and are sequentially placed from top to bottom; the screening pore diameters of the first screen mesh, the second screen mesh and the third screen mesh are sequentially reduced from top to bottom; the bottom end of the lower part of the first screen is fixedly connected with a first discharge hole; 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; anti-blocking assemblies are arranged at the bottom ends of the first screen, the second screen and the third screen; the utility model provides a gravity screening machine for coffee beans, which aims to solve the problem that screen holes are blocked in the screening process.

The general structure of current coffee beans screening mechanism is fixed, when the coffee beans lead to the sieve mesh to take place to block up at screening process, just be difficult to clear up fast to the sieve mesh to influence the screening effect of coffee beans, secondly most screening mechanism is difficult to adjust the angle of screen cloth.

Disclosure of Invention

The utility model aims to provide a coffee bean screening mechanism, which aims to solve the problems that the conventional coffee bean screening mechanism provided in the prior art is fixed in general structure, and when a screen hole is blocked in the screening process of coffee beans, the screen hole is difficult to clean rapidly, so that the screening effect of the coffee beans is affected, and most of screening mechanisms are difficult to adjust the angle of a screen.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a coffee beans screening mechanism, includes the screening frame, be provided with the sleeve pipe on the lateral wall of screening frame, be connected with the rotation axis through the bearing on the sheathed tube lateral wall, the one end of rotation axis is provided with first bevel gear, sheathed tube inside slip joint has the slide bar, the backup pad is installed at the top of slide bar, the backup pad with the spring is all installed at the top of screening frame, the top of spring is provided with the free bearing, the top of free bearing articulates there is the screening groove, install the vibrator on the lateral wall of screening groove, the inside of first bevel gear is provided with the fixed block, be connected with the threaded rod through the bearing on the lateral wall of fixed block, the threaded rod with be connected through the screw thread between the slide bar, the one end of threaded rod is provided with the second bevel gear, the second bevel gear with meshing connection between the rotation axis.

As the preferred scheme, be provided with the recess on the both sides wall of screening groove, the inside slip joint of recess has the screen cloth, the handle is installed to the one end of screen cloth, be provided with the stock guide on the both sides wall of screening groove, the stock guide is located one side of screen cloth.

Preferably, a feed hopper is arranged at the top end of the screening frame.

As a preferable scheme, a filter screen is arranged in the feed hopper.

As the preferable scheme, the inside slip joint of feeder hopper has the baffle.

Preferably, a rotating handle is arranged at one end of the sleeve.

As a preferable scheme, the bottom end of the screening frame is provided with universal wheels.

The utility model has the technical effects and advantages that:

1. through screening frame, sleeve pipe, rotation axis, first bevel gear, slide bar, backup pad, spring, free bearing, screening groove, vibrator, fixed block, threaded rod and second bevel gear that set up, can adjust the inclination of screen cloth, can change the screening speed of coffee beans, can effectively improve the screening efficiency of coffee beans.

2. Through screen cloth, handle and the stock guide that set up, can dismantle the clearance fast to the screen cloth on this screening mechanism, can prevent that the coffee beans from blockking up the sieve mesh and lead to the screening effect of coffee beans to reduce, the practicality is stronger, is convenient for use widely.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a cross-sectional view of the overall structure of the present utility model.

Fig. 3 is an enlarged view of the structure of fig. 2 a in accordance with the present utility model.

In the figure: 1. a screening frame; 2. a sleeve; 3. a rotation shaft; 4. a first bevel gear; 5. a slide bar; 6. a support plate; 7. a spring; 8. a hinged support; 9. a screening groove; 10. a vibrator; 11. a fixed block; 12. a threaded rod; 13. a second bevel gear; 14. a screen; 15. a handle; 16. a material guide plate; 17. a feed hopper; 18. a filter screen; 19. a baffle; 20. a rotating handle; 21. and a universal wheel.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a coffee bean screening mechanism as shown in figures 1-3, which comprises a screening frame 1, wherein a sleeve 2 is arranged on one side wall of the screening frame 1, a rotating shaft 3 is connected to one side wall of the sleeve 2 through a bearing, a first bevel gear 4 is arranged at one end of the rotating shaft 3, a sliding rod 5 is connected to the inside of the sleeve 2 in a sliding manner, a supporting plate 6 is arranged at the top of the sliding rod 5, springs 7 are arranged at the tops of the supporting plate 6 and the screening frame 1, a hinged support 8 is arranged at the top of the springs 7, a screening groove 9 is hinged at the top of the hinged support 8, a vibrator 10 is arranged on one side wall of the screening groove 9, a fixed block 11 is arranged in the first bevel gear 4, a threaded rod 12 is connected to one side wall of the fixed block 11 through a bearing, the threaded rod 12 is connected with the sliding rod 5 through threads, a second bevel gear 13 is arranged at one end of the threaded rod 12, and the second bevel gear 13 is connected with the rotating shaft 3 in a meshed manner;

the rotating handle 20 is installed to the one end of sleeve pipe 2, the bottom of screening frame 1 is provided with universal wheel 21, at first rotate rotation axis 3 and first bevel gear 4 through rotating handle 20 as required, rethread first bevel gear 4 drives second bevel gear 13 and threaded rod 12 and rotates for slide bar 5 and backup pad 6 can reciprocate, and then can adjust the inclination of screening groove 9 and screen cloth 14, change the screening speed of coffee beans, start vibrator 10 at last and drive screening groove 9 and screen cloth 14 and vibrate, screen the coffee beans can, can adjust the inclination of screen cloth 14, can change the screening speed of coffee beans, can effectively improve the screening efficiency of coffee beans.

In this embodiment, be provided with the recess on the both sides wall of screening groove 9, the inside slip joint of recess has screen cloth 14, handle 15 is installed to the one end of screen cloth 14, be provided with guide plate 16 on the both sides wall of screening groove 9, guide plate 16 is located one side of screen cloth 14, the top of screening frame 1 is provided with feeder hopper 17, pour the coffee beans that wait to screen into feeder hopper 17, the coffee beans fall to screen cloth 14 and carry out the screening, the big coffee beans of granule are stayed on screen cloth 14 and are discharged this mechanism through guide plate 16, the small coffee beans of granule pass screen cloth 14 and pass through screening groove 9 to accomplish the screening of coffee beans, when the screen cloth 14 is blocked to the coffee beans, can be to the screen cloth 14 of above blocking up the sieve mesh get off fast through pulling out of handle 15, can dismantle the clearance fast to screen cloth 14 on this screening mechanism, can prevent that the coffee beans from blocking up the sieve mesh and lead to the screening effect of coffee beans to reduce, the practicality is stronger, and is convenient for use widely.

In this embodiment, the inside of feeder hopper 17 is provided with filter screen 18, and the inside slip joint of feeder hopper 17 has baffle 19, and filter screen 18 filters out the large granule impurity in the coffee beans, and the unloading volume size of coffee beans can be controlled to the rethread removal baffle 19.

The working principle of the utility model is as follows: the utility model relates to a coffee bean screening mechanism, which is characterized in that a rotating shaft 3 and a first bevel gear 4 are rotated through a rotating handle 20 according to requirements, a second bevel gear 13 and a threaded rod 12 are driven to rotate through the first bevel gear 4, a sliding rod 5 and a supporting plate 6 can move up and down, the inclination angle of a screening groove 9 and a screen 14 can be adjusted, the screening speed of coffee beans is changed, and finally a vibrator 10 is started to drive the screening groove 9 and the screen 14 to vibrate, so that the coffee beans are screened.

Pouring the coffee beans to be screened into a feed hopper 17, filtering large-particle impurities in the coffee beans by a filter screen 18, controlling the blanking quantity of the coffee beans by a movable baffle 19, screening the coffee beans by falling on a screen 14, discharging the large-particle coffee beans on the screen 14 through a guide plate 16, discharging the small-particle coffee beans through the screen 14 and a screening groove 9, and thus finishing the screening of the coffee beans, and when the screen 14 is blocked by the coffee beans, pulling out the screen 14 through a handle 15 to quickly clean the coffee beans with the upper edges blocked by the screen holes.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims (7)

1. Coffee bean screening mechanism, including screening frame (1), its characterized in that: be provided with sleeve pipe (2) on the lateral wall of screening frame (1), be connected with rotation axis (3) through the bearing on the lateral wall of sleeve pipe (2), the one end of rotation axis (3) is provided with first bevel gear (4), the inside slip joint of sleeve pipe (2) has slide bar (5), backup pad (6) are installed at the top of slide bar (5), backup pad (6) with spring (7) are all installed at the top of screening frame (1), the top of spring (7) is provided with hinged support (8), the top of hinged support (8) articulates there is screening groove (9), install vibrator (10) on the lateral wall of screening groove (9), the inside of first bevel gear (4) is provided with fixed block (11), be connected with threaded rod (12) on the lateral wall of fixed block (11) through the bearing, threaded rod (12) with be connected through the screw thread between slide bar (5), the one end of threaded rod (12) is provided with second bevel gear (13), second bevel gear (13) with be connected between rotation axis (3).

2. A coffee bean screening mechanism according to claim 1, characterized in that: the screening device is characterized in that grooves are formed in two side walls of the screening groove (9), a screen (14) is connected to the grooves in a sliding mode, a handle (15) is arranged at one end of the screen (14), a material guide plate (16) is arranged on two side walls of the screening groove (9), and the material guide plate (16) is located on one side of the screen (14).

3. A coffee bean screening mechanism according to claim 1, characterized in that: the top of screening frame (1) is provided with feeder hopper (17).

4. A coffee bean screening mechanism according to claim 3, characterized in that: a filter screen (18) is arranged in the feed hopper (17).

5. A coffee bean screening mechanism according to claim 3, characterized in that: the inside slip joint of feeder hopper (17) has baffle (19).

6. A coffee bean screening mechanism according to claim 1, characterized in that: a rotating handle (20) is arranged at one end of the sleeve (2).

7. A coffee bean screening mechanism according to claim 1, characterized in that: the bottom of the screening frame (1) is provided with universal wheels (21).