Automatic coffee bean screening and feeding device
The automated coffee bean screening and feeding device enables automated transfer and feeding of materials between the particle size separator and the gravity separator, solving the problems of high labor intensity and low screening efficiency caused by manual handling, and improving the efficiency of coffee bean processing.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-26
- Publication Date
- 2026-03-20
AI Technical Summary
In existing technologies, the material transfer and handling between particle size separators and gravity separators mainly relies on manual operation, resulting in high labor intensity and low screening efficiency.
An automated coffee bean sorting and feeding device was designed. It uses a lifting seat, telescopic guide column and hydraulic jack structure to raise the discharge port of the particle size sorter. Combined with an adjustable receiving plate, feeding plate and zigzag pipe, it realizes automated transfer and feeding of materials, replacing manual handling.
It improves the efficiency of coffee bean sorting, saves labor costs, eliminates the need for repeated packing and unpacking operations, and significantly improves processing efficiency.
Smart Images

Figure CN224010490U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to coffee bean processing equipment technical field, more specifically, relate to a kind of automatic coffee bean screening feeding device. BACKGROUND
[0002] After drying coffee beans are shelled, get many coffee beans of different sizes, first need to adopt particle size sorting machine, by the vibration plate with different aperture screen of upper and lower multilayer, coffee beans are classified and screened according to diameter size, coffee beans of same particle size are classified and bagged separately;Then for the coffee beans after sorting, among them, overripe, insufficient maturity, and part of sick and shriveled fruit, still need to adopt gravity sorting machine to carry out second screening, generally, gravity sorting machine is larger than particle size sorting machine vibration amplitude, through oblique vibration belt, using overripe, insufficient maturity, and part of sick and shriveled fruit coffee beans relative density difference, coffee beans of just right maturity are screened out through several oblique discharge slots.
[0003] In prior art, for the material transfer between the above-mentioned particle size sorting machine and gravity sorting machine, generally, manual carrying is adopted, because bagged coffee beans are heavy, so labor intensity is high, in addition, coffee beans of different diameters need to be reciprocally packed and unpacked, which wastes a lot of processing time, and screening efficiency is low. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a kind of automatic coffee bean screening feeding device, which can realize automatic transfer of material between particle size sorting machine and gravity sorting machine, replace manual carrying, save reciprocating packing and unpacking operation, save labor cost while can significantly improve the screening efficiency of coffee beans.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions:
[0006] An automatic coffee bean screening and feeding device, comprising a particle size sorting machine and several gravity sorting machines, the particle size sorting machine comprises multiple layers of sieve plates installed with vibration motors from top to bottom, and the mesh aperture of the sieve net inside each layer of sieve plates from top to bottom decreases in turn, wherein the multiple layers of sieve plates from top to bottom are installed through several interval support plates on the left and right sides, the inner end of the support plate extends and is connected to the upper and lower ends of the edge of the sieve plate through the upper and lower damping springs, the gravity sorting machine comprises an inclined sorting plate, the periphery of the lower end surface of the sorting plate is connected through a damping support, and the lower surface of the sorting plate is fixed with a vibration motor, the lower end of the support plate is connected to the upper surface of a lifting seat, the lower surface of the lifting seat is connected to the upper surface of a bottom plate through telescopic guide columns at the corner positions, and a hydraulic jack is arranged between the center position of the lower surface of the lifting seat and the bottom plate, the front end of the multiple layers of sieve plates from top to bottom is inwardly folded, and an adjustable receiving plate is arranged at the lower end of the discharge port.
[0007] As a further optimization of the scheme, the lower surface of the adjustable receiving plate is fixed with a sleeve ear on both sides, a connecting shaft is arranged between the sleeve ears, and the inclination angle of the adjustable receiving plate is limited by the bolts outside the sleeve ears.
[0008] As a further optimization of the scheme, the outer end of the connecting shaft is welded and fixed to a lifting plate, the upper and lower ends of the lifting plate on both sides are limited and installed on the vertical connecting rod through nuts, the vertical connecting rod is embedded and installed in the barrel groove on the surface of the rectangular plate, and the lower end of the adjustable receiving plate is welded with an inwardly folded feeding plate.
[0009] As a further optimization of the scheme, the lower end surface of the feeding plate is provided with a feeding pipeline, and the periphery of the feeding pipeline is provided with an arc-shaped material blocking ring, and the lower end of the feeding pipeline is communicated with a zigzag pipeline.
[0010] As a further optimization of the scheme, the lower end of the zigzag pipeline extends into the inclined sorting plate of the gravity sorting machine.
[0011] Compared with the prior art, the automatic coffee bean screening and feeding device has the following beneficial effects:
[0012] The utility model discloses a lifting seat and telescopic guide column and hydraulic jack structure can lift the height of the existing particle size sorting machine, make the discharge port position height, the adjustable material receiving plate, the feeding plate and the broken line shape pipeline structure of combination design, the coffee bean of different particle size after particle size sorting is classified and is guided into the oblique sorting plate of different gravity sorting machine, and the coffee bean particle of different particle size coffee bean is further screened out through the gravity sorting machine, realizes the automatic transfer feeding operation of the material in the particle size sorting machine and gravity sorting machine, replaces manual handling, saves reciprocating packing unpacking operation, can improve the screening efficiency of coffee bean significantly while saving labor cost. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is the schematic diagram of the utility model's feeding device installation structure;
[0014] Figure 2 It is the schematic diagram of the utility model's connecting shaft outside connection structure;
[0015] Figure 3 It is the schematic diagram of the utility model's adjustable material receiving plate bottom structure;
[0016] In the drawing: 1, sieve plate;2, screen;3, support plate;4, sorting plate;5, shock absorber support;6, vibration motor;7, bottom plate;8, telescopic guide column;9, hydraulic jack;10, adjustable material receiving plate;11, connecting shaft;12, lifting plate;13, nut;14, vertical connecting rod;15, rectangular plate;16, feeding plate;17, feeding pipeline;18, material blocking ring;19, broken line shape pipeline;20, sleeve ear. DETAILED DESCRIPTION
[0017] In order to make the technical means, creation characteristics, achieve the purpose and effect of the utility model easy to understand, the following further elaborates the utility model in combination with specific drawing.
[0018] In order to solve the material transfer handling between the existing particle size sorting machine and gravity sorting machine, generally adopts manual handling, because the bagged coffee bean weight is larger, therefore the labor intensity is higher, in addition, still needs to reciprocating packing unpacking handling to different diameter coffee bean, has wasted a lot of processing time, and the screening efficiency is lower;
[0019] For example Figure 1As shown, the present application includes a particle size sorting machine and several gravity sorting machines. The particle size sorting machine includes multiple layers of sieve plates 1 installed from top to bottom with vibration motors, and the aperture of the screen 2 inside each layer of sieve plates 1 decreases from top to bottom. The multiple layers of sieve plates 1 are installed through several spaced support plates 3 on the left and right sides, and the inner end of the support plate 3 extends through the upper and lower shock springs to connect with the edge of the sieve plate 1. The gravity sorting machine includes a slanted sorting plate 4, and the lower end of the sorting plate 4 is connected through a shock absorber 5 around the circumference of the lower end surface, and the lower surface of the sorting plate 4 is fixed with a vibration motor 6. The lower end of the support plate 3 is connected to the upper surface of the lifting seat, and the lower surface of the lifting seat is connected to the bottom plate 7 through the telescopic guide column 8 at the corner position, and the hydraulic jack 9 is arranged between the center position of the lower surface of the lifting seat and the bottom plate 7. The front end of the multiple layers of sieve plates 1 is inwardly retracted, and the adjustable receiving plate 10 is arranged at the lower end of the discharge port position;
[0020] As shown in Figure 3 The lower surface of the adjustable receiving plate 10 is fixed with a sleeve ear 20 on both sides, the sleeve ear 20 passes through a connecting shaft 11, and the inclination angle of the adjustable receiving plate 10 is limited by the bolts outside the sleeve ear 20;
[0021] As shown in Figure 2 The outer end of the connecting shaft 11 is welded to the lifting plate 12, and the lifting plate 12 is limited and installed on the vertical connecting rod 14 through the nuts 13 on the upper and lower ends of the two sides. The vertical connecting rod 14 is embedded and installed in the barrel groove inside the surface of the rectangular plate 15 on both sides, and the upper end of the adjustable receiving plate 10 is welded with an inwardly retracted feeding plate 16.
[0022] The lower end surface of the feeding plate 16 is provided with a feeding pipe 17, and the outer periphery of the feeding pipe 17 is provided with an arc-shaped material blocking ring 18. The lower end of the feeding pipe 17 is connected with a zigzag pipe 19, and the lower end of the zigzag pipe 19 extends into the slanted sorting plate 4 of the gravity sorting machine.
[0023] Specifically, the height of the lifting seat is adjusted by the hydraulic jack 9, the height of the existing particle size sorting machine is raised, the discharge port position is raised, and many coffee beans of different sizes obtained after shelling are poured into the screen 2 inside the uppermost sieve plate 1 of the particle size sorting machine. All sieve plates 1 are reciprocally vibrated by the vibration motor to separate the coffee beans with different particle sizes, and the coffee beans with different particle sizes are sequentially discharged through the discharge port and enter the adjustable receiving plate 10. The adjustable receiving plate 10 can adjust the installation angle through the sleeve ear 20 on the connecting shaft 11, and adjust the installation height through the lifting plate 12 in the barrel groove of the rectangular plate 15 to adapt to the discharge port position at different positions.
[0024] Different size coffee beans after the adjustable material receiving plate 10 area, into the lower surface of the feeding plate 16, after the convergence, through the feeding pipe 17 falls into the broken line shaped pipe 19 inside, and then into the different positions of the gravity separator inclined sorting plate 4, further screening out the different size coffee beans in the particle full, maturity just right coffee beans, arc-shaped material blocking ring 18 is used to avoid material leakage.
[0025] The standard parts used in the utility model can be purchased from the market, and the special-shaped parts can be ordered according to the description and the drawings, and the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, and the machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here.
[0026] The basic principle and main features of the utility model and the advantages of the utility model are shown and described. The skilled person in the art should understand that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.
Claims
1. An automated coffee bean sorting and feeding device, comprising a particle size separator and several gravity separators, wherein the particle size separator comprises multiple layers of screen plates with vibrating motors mounted on them from top to bottom, and the mesh size of the screen plates decreases sequentially from top to bottom, wherein the multiple layers of screen plates are mounted by several spaced support plates on the left and right sides, and the inner protruding sections of the support plates are connected to the upper and lower edges of the screen plates by upper and lower shock-absorbing springs; the gravity separators include inclined sorting plates, the lower end face of the sorting plates is connected to the four sides by shock-absorbing supports, and a vibrating motor is fixed on the lower surface of the sorting plates, characterized in that: The lower ends of the support plates are all connected to the upper surface of the lifting seat. The four corners of the lower surface of the lifting seat are all connected to the bottom plate through telescopic guide columns. A hydraulic jack is provided between the center of the lower surface of the lifting seat and the bottom plate. The front discharge port of the multi-layer screen plate from top to bottom is all narrowed inward, and an adjustable receiving plate is provided at the lower end of the discharge port.
2. The automated coffee bean sorting and feeding device according to claim 1, characterized in that: The adjustable receiving plate has lugs fixed on both sides of its lower surface, and a connecting shaft passes between the lugs. The tilt angle of the adjustable receiving plate is limited by bolts on the outside of the lugs.
3. The automated coffee bean sorting and feeding device according to claim 2, characterized in that: The outer end of the connecting shaft is welded and fixed to the lifting plate. The upper and lower ends of both sides of the lifting plate are installed on the vertical connecting rod body by nuts. The vertical connecting rod is embedded in the barrel groove opened on the surface of the rectangular plate on both sides. The lower end of the adjustable receiving plate is welded with an inwardly folding feeding plate.
4. The automated coffee bean sorting and feeding device according to claim 3, characterized in that: The lower surface of the feeding plate is provided with a feeding pipe and the feeding pipe is surrounded by an arc-shaped retaining ring. The lower end of the feeding pipe is connected to a zigzag pipe.
5. The automated coffee bean sorting and feeding device according to claim 4, characterized in that: The lower end of the zigzag pipe extends into the inclined sorting plate of the gravity separator.