Multifunctional baking machine for coffee beans

By designing a multi-functional coffee bean roaster, which utilizes a mixing drum, heating element, and separation element to filter impurities, the problem of silverskin and debris coming into contact with the heat source is solved, achieving uniform heating and high-quality coffee bean roasting results.

CN223799234UActive Publication Date: 2026-01-16HENAN LANFAN IND CO LTD +1
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Patent Information

Application Number
CN202520437851.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-13
Publication Date
2026-01-16
Estimated Expiration
2035-03-13

AI Technical Summary

Technical Problem

In the current coffee bean roasting process, the charred and brittle silver skin and coffee bean fragments are easily exposed to heat sources, leading to burning or open flames, which affects the roasting quality.

Method used

Design a multi-functional coffee bean roaster comprising a mixing drum, a heating element, a separating element, and a cooling plate. Impurities are filtered through a sieve, the separating element prevents silver foil and debris from contacting the heating source, and the cooling plate cools and sorts the beans, ensuring uniform heating and high-quality roasting.

Benefits of technology

This method ensures that coffee beans are heated evenly, preventing impurities from burning upon contact with the heat source, thus improving the quality and uniformity of the roasted coffee beans and ensuring the safety of the roasting process and the quality of the finished product.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a multifunctional baking machine for coffee beans, which comprises a shell, a rotatable stirring barrel is connected to the top end in the shell, sieve pores are arranged on the barrel wall of the stirring barrel, a heating assembly is further arranged in the shell, the heating assembly surrounds the periphery of the stirring barrel, and the stirring barrel is arranged in the shell. And a feeding hole and a discharging hole which are communicated with the stirring barrel in the shell are formed in one side of the outer part of the shell from top to bottom. By arranging the stirring barrel and arranging the heating assembly around the stirring barrel, coffee beans can be uniformly heated in the baking process, impurities generated in the baking process can be screened and discharged, the impurities are prevented from interfering with baking, the separation assembly is arranged at the bottom of the stirring barrel to separate the heating assembly from the impurities discharged after screening, the impurities are intercepted, and the baking efficiency is improved. And the situation that the baking quality is affected by burning caused by the fact that impurities make contact with a heating source is avoided, the cooling disc is arranged to cool the baked coffee beans and conduct secondary sorting, impurities are filtered out, and the quality of the baked finished coffee beans is improved.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of baking equipment, in particular to a multifunctional roaster for coffee beans. BACKGROUND

[0002] Coffee bean roasting is to evaporate the moisture contained in green coffee beans by high temperature. With the gradual evaporation of moisture, the coffee beans will gradually caramelize, and the color will change to dark brown. The roasted coffee beans have unique flavor and taste.

[0003] In the existing coffee bean roasting process, due to heating, the shell of the coffee bean will first char and become brittle. The brittle shell will fall off during stirring to produce "silver skin", and the coffee bean crumbs produced by stirring collision will still be mixed together for heating and roasting. This makes the silver skin and coffee bean crumbs that have been in contact with the heat source for a long time reach the ignition point and be burned or produce a bright fire to ignite the surrounding coffee beans, resulting in over-roasting of the coffee beans and affecting the taste of the coffee beans.

[0004] Therefore, we propose a multifunctional roaster for coffee beans to solve the existing problems. CONTENT OF THE INVENTION

[0005] The purpose of the present application is to provide a multifunctional roaster for coffee beans to solve the problems raised in the background.

[0006] To achieve the above purpose, the present application provides the following technical scheme: a multifunctional roaster for coffee beans, comprising a shell, a rotatable stirring drum connected to the inside top end of the shell, a sieve hole provided on the drum wall of the stirring drum, a heating assembly provided inside the shell, the heating assembly surrounding the outer periphery of the stirring drum, a feed inlet and a discharge outlet provided on one side of the shell from top to bottom and communicating with the stirring drum inside the shell, a cooling disc mounted at the bottom of the discharge outlet of the shell, a separation assembly and a first bearing disc provided in sequence at the bottom of the stirring drum, one end of the separation assembly connected to the side wall of the shell and the other end inclined downward close to the first bearing disc, and the first bearing disc and the shell in sliding connection.

[0007] Preferably, the stirring drum comprises an outer drum, the sieve hole is provided on the barrel wall of the outer drum and penetrates the outer drum, the inside of the outer drum is provided with stirring paddles, the stirring paddles are spirally distributed along the axis of the outer periphery, one end of the stirring paddles is fixedly connected with the inside of the outer drum, a first rotating shaft is provided on the central axis of the outer drum, a support rod is connected between the first rotating shaft and the outer drum, one end of the first rotating shaft is rotatably connected with the shell, and the other end of the first rotating shaft penetrates the shell and is connected with a transmission mechanism.

[0008] Preferably, the transmission mechanism comprises a driving motor, a second synchronous wheel connected with the output end of the driving motor, and a first synchronous wheel fixedly sleeved on the first rotating shaft, and the first synchronous wheel and the second synchronous wheel are connected with a synchronous belt.

[0009] Preferably, the separation assembly comprises a plurality of first partition plates and a plurality of second partition plates, the plurality of first partition plates and the plurality of second partition plates are oppositely arranged on the two end side walls of the shell, and the plurality of first partition plates and the plurality of second partition plates are arranged in an interlaced manner.

[0010] Preferably, the cooling disc is integrally connected with the shell and is arranged directly below the discharge port, the cooling disc is sequentially provided with a sorting plate and a second bearing disc from top to bottom, the bottom of the second bearing disc is provided with a heat dissipation motor, the output end of the heat dissipation motor is connected with a second rotating shaft, the second rotating shaft penetrates through the second bearing disc and the sorting plate and is rotationally connected with the second bearing disc and the sorting plate, the second rotating shaft is fixedly connected with a sorting paddle above the sorting plate, and the second rotating shaft is connected with a heat dissipation fan between the sorting plate and the second bearing disc.

[0011] Preferably, the sorting plate is provided with a plurality of sorting holes penetrating through the sorting plate.

[0012] Preferably, the cooling disc is externally provided with a residue discharge port communicating with the second bearing disc, and the outer side of the residue discharge port is provided with an openable and closable residue discharge valve.

[0013] Preferably, the cooling disc is externally provided with a discharge port, the discharge port is located at the bottom of the sorting plate, the sorting plate is hingedly connected with a movable plate, and the movable plate is reversibly connected with the discharge port.

[0014] Preferably, the side end of the cooling disc is further provided with a flexible lighting device.

[0015] Preferably, the shell is externally further provided with a display screen, an adjusting knob, an observation window and a temperature indicating meter.

[0016] Compared with the prior art, the multifunctional roasting machine for coffee beans has the beneficial effects that: the stirring barrel and the heating assembly arranged around the stirring barrel are arranged, so that the coffee beans are uniformly heated during the roasting process and the impurities generated during the roasting process can be screened and discharged, thereby avoiding the interference of the impurities with the roasting process; the separation assembly arranged at the bottom of the stirring barrel separates the heating assembly from the screened and discharged impurities, so that the impurities are intercepted, the impurities are prevented from contacting the heating source to cause burning and affect the roasting quality, the cooling disc is arranged to cool and secondarily sort the roasted coffee beans, the impurities are filtered, and the quality of the finished coffee beans after roasting is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is three-dimensional structure schematic view of the utility model;

[0018] Figure 2 It is front view structure schematic view of the utility model;

[0019] Figure 3 It is side view structure schematic view of the utility model;

[0020] Figure 4 It is internal structure sectional view of the utility model;

[0021] Figure 5 It is three-dimensional structure sectional view of the utility model;

[0022] In the drawing: 1, shell;11, feed inlet;12, discharge port;13, display screen;14, adjusting knob;15, observation window;16, temperature indicator;2, heating assembly;3, stirring cylinder;31, outer cylinder;32, support rod;33, first rotating shaft;34, sieve hole;35, stirring paddle;4, separation assembly;41, first partition plate;42, second partition plate;5, first bearing disc;6, transmission mechanism;61, first synchronous wheel;62, synchronous belt;63, second synchronous wheel;64, driving motor;7, lighting device;8, cooling disc;81, discharge port;82, slag discharge port;83, second rotating shaft;831, sorting paddle;832, cooling fan;84, sorting plate;841, movable plate;85, second bearing disc;86, cooling motor. DETAILED DESCRIPTION

[0023] In order to make the person skilled in the art better understand the scheme of the present application, the technical scheme in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by the person skilled in the art without creative labor should belong to the scope of protection of the present application.

[0024] It should be noted that the terms "first", "second" and the like in the specification and claims of the present application and the above-described drawings are used to distinguish similar objects, and do not have to be used to describe a specific order or sequence. It should be understood that the data thus used can be interchanged under appropriate circumstances, so that the embodiments of the present application described herein can be implemented. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device including a series of steps or units does not have to be limited to those steps or units clearly listed, but can include other steps or units not clearly listed or inherent to these processes, methods, products or devices.

[0025] In the present application, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "transverse", "longitudinal" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not intended to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.

[0026] In addition, in addition to indicating the orientation or positional relationship, the above-mentioned partial terms may also be used to indicate other meanings, for example, the term "upper" may also be used to indicate a certain dependent relationship or connection relationship in some cases. For those skilled in the art, the specific meaning of these terms in the present application can be understood according to the specific situation.

[0027] In addition, the meaning of the term "a plurality of" should be two and more than two.

[0028] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in combination with the embodiments. Embodiments

[0029] As shown in Figures 1 to 5 A multifunctional roaster for coffee beans includes a housing 1, a rotatable stirring drum 3 connected to the top inside of the housing 1, a sieve hole 34 provided on the drum wall of the stirring drum 3, a heating assembly 2 provided inside the housing 1, the heating assembly 2 surrounding the outer periphery of the stirring drum 3, a feed port 11 and a discharge port 12 provided on one side of the housing 1 from top to bottom, the discharge port 12 being connected to the inside of the stirring drum 3, a cooling disc 8 mounted at the bottom of the discharge port 12 of the housing 1, a separation assembly 4 and a first bearing disc 5 provided in sequence at the bottom of the stirring drum 3, one end of the separation assembly 4 being connected to the side wall of the housing 1 and the other end being inclined downwardly close to the first bearing disc 5, the first bearing disc 5 being slidingly connected to the housing 1. In use, the stirring drum 3 is rotated to drive the internal coffee beans to move, the heating assembly 2 is powered on to heat and roast the coffee beans inside the stirring drum 3, the silver skin and defective coffee beans generated during the heating or stirring process fall out of the stirring drum 3 through the sieve hole 34 during the stirring process, and are collected in the first bearing disc 5 after passing through the separation assembly 4 under the action of gravity, and the roasted coffee beans in the stirring drum 3 are discharged from the discharge port 12 to the cooling disc 8 for cooling.

[0030] Further, the stirring cylinder 3 comprises an outer cylinder 31, the sieve holes 34 are arranged on the barrel wall of the outer cylinder 31 and penetrate the outer cylinder 31, the inside of the outer cylinder 31 is provided with stirring paddles 35, the stirring paddles 35 are spirally distributed along the axis of the outer periphery, and one end of the stirring paddles 35 is fixedly connected with the inside of the outer cylinder 31, the axis center of the outer cylinder 31 is provided with a first rotating shaft 33, the first rotating shaft 33 is connected with the outer cylinder 31 through a support rod 32, one end of the first rotating shaft 33 is rotatably connected with the shell 1, and the other end is connected with the transmission mechanism 6 penetrating the shell 1, in use, the coffee beans can be fully heated during stirring, the stirring paddles 35 are spirally distributed along the axis of the outer periphery, one end of the first rotating shaft 33 is rotatably connected with the shell 1, and the other end is connected with the transmission mechanism 6, so as to realize the rotation of the stirring cylinder 3, thereby driving the stirring paddles 35 to spirally stir the coffee beans, so as to uniformly heat the coffee beans, and at the same time, the coffee beans are screened.

[0031] Further, the transmission mechanism 6 comprises a driving motor 64, a second synchronous pulley 63 connected with the output end of the driving motor 64, a first synchronous pulley 61 fixedly sleeved on the first rotating shaft 33, and a synchronous belt 62 tensioned and connected on the first synchronous pulley 61 and the second synchronous pulley 63, in use, the power is transmitted from the driving motor 64 to the first rotating shaft 33 through the synchronous belt 62, thereby driving the stirring cylinder 3 to rotate.

[0032] Further, the separation assembly 4 comprises a first partition plate 41 and a second partition plate 42, the first partition plate 41 and the second partition plate 42 each have a plurality of groups, the plurality of groups of the first partition plate 41 and the plurality of groups of the second partition plate 42 are oppositely arranged on the two end side walls of the shell 1, and the plurality of groups of the first partition plate 41 and the plurality of groups of the second partition plate 42 are arranged in a staggered manner, in use, the plurality of groups of the first partition plate 41 and the plurality of groups of the second partition plate 42 form a certain inclination angle, when the hard shells and coffee bean crumbs pass through the separation assembly 4, they fall below the first bearing disc 5 by using the principle of gravity and inertia, at the same time, the plurality of groups of the first partition plate 41 and the second partition plate 42 are used to hinder the movement of the hard shells and coffee bean crumbs, prevent the hard shells and coffee bean crumbs from flying in the shell 1 under the driving of the hot air flow in the shell 1 and contacting the heating assembly 2 to produce an open fire to cause burning, and affect the quality of the coffee beans roasted in the stirring cylinder 3.

[0033] Further, the cooling disc 8 is integrally connected with the shell 1 and is arranged directly below the discharge port 12, the cooling disc 8 is sequentially provided with a sorting plate 84 and a second bearing disc 85 from top to bottom, and a heat dissipation motor 86 is arranged at the bottom of the second bearing disc 85, the output end of the heat dissipation motor 86 is connected with a second rotating shaft 83, the second rotating shaft 83 penetrates through and is rotationally connected with the second bearing disc 85 and the sorting plate 84, the second rotating shaft 83 is fixedly connected with a sorting paddle 831 above the sorting plate 84, and a heat dissipation fan 832 is connected between the sorting plate 84 and the second bearing disc 85, in use, the sorting plate 84 and the second bearing disc 85 inside are used for sorting coffee beans, the heat dissipation motor 86 drives the second rotating shaft 83 to rotate, the sorting paddle 831 on the second rotating shaft 83 stirs and sorts the coffee beans above the sorting plate 84, and the heat dissipation fan 832 generates airflow between the sorting plate 84 and the second bearing disc 85, the airflow carries away the heat of the roasted coffee beans through the sorting plate 84 through the sorting holes, the sorting holes on the sorting plate 84 allow the coffee beans meeting the size requirements to pass through, the coffee beans that do not meet the requirements after roasting fall into the second bearing disc 85 through the sorting holes, and the sorting is completed.

[0034] Further, the sorting plate 84 is provided with a plurality of sorting holes penetrating through the sorting plate 84, in the sorting process, smaller particles or silver skins and debris can fall into the second bearing disc 85 below through the sorting holes, and larger coffee beans remain on the sorting plate 84, so that the particle size of the coffee beans is screened, and the uniformity and quality of the coffee beans are improved.

[0035] Further, the cooling disc 8 is provided with a residue discharge port 82 communicating with the second bearing disc 85 outside, and a movable residue discharge valve is arranged on the outside of the residue discharge port 82, in use, impurities or coffee beans that do not meet the requirements are gathered in the second bearing disc 85 in the sorting process, and the residue discharge valve is opened to discharge the impurities.

[0036] Further, the cooling disc 8 is provided with a discharge port 81 outside, the discharge port 81 is located at the bottom of the sorting plate 84, a movable plate 841 is hingedly connected to the sorting plate 84, and the movable plate 841 is reversibly connected with the discharge port 81, in use, the qualified coffee beans after cooling and sorting are discharged from the discharge port 81 through the reverse control of the movable plate 841, so that the coffee beans are conveniently collected and subsequently processed.

[0037] Further, the side end of the cooling disc 8 is also provided with a flexible lighting device 7 for assisting in checking the state of the coffee beans.

[0038] Further, the shell 1 is externally provided with a display screen 13, an adjusting knob 14, an observation window 15 and a temperature indicating meter 16.

[0039] The working principle of the utility model is: during baking, the coffee beans to be baked are added into the stirring cylinder 3 through the feeding port 11, the outer cylinder 31 of the stirring cylinder 3 is covered with sieve holes 34, the inner part of the outer cylinder 31 is provided with spiral stirring paddles 35, the stirring cylinder 3 is driven to rotate by the driving motor 64 through the synchronous belt 62, the outer periphery of the stirring cylinder 3 is surrounded by the heating assembly 2, during the baking process, the coffee beans roll under the stirring action of the stirring cylinder 3, and are evenly heated by contacting the inner wall of the outer cylinder 31, the silver skin generated during the heating process of the coffee beans and the coffee bean crumbs caused by the rolling collision fall out of the stirring cylinder 3 through the sieve holes 34, under the action of gravity, the silver skin and the coffee bean crumbs fall into the first bearing disc 5 after sequentially passing through the heating assembly 2, the first partition plate 41 and the second partition plate 42 which are arranged in a staggered manner, the first bearing disc 5 is slidingly connected with the shell 1, so that it is convenient to take out and clean, after the baking is completed, the coffee beans are discharged from the discharging port 12 and fall into the cooling disc 8 below, the cooling disc 8 is internally provided with the sorting plate 84 and the second bearing disc 85, and the sorting paddle 831 and the cooling fan 832 driven by the cooling motor 86 cooperate to cool and sort the coffee beans, the sorting plate 84 is provided with sorting holes, so that the silver skin and the coffee bean crumbs remaining after being screened by the stirring cylinder 3 pass through the sorting holes and fall into the second bearing disc 85 and are discharged through the discharging port 82, and the qualified coffee beans remain above the sorting plate 84 and can be discharged from the discharging port 81 through the turnover movable plate 841, the flexible lighting device 7 is arranged at the side end of the cooling disc 8 and is used for lighting, so that the quality of the coffee beans after being baked and sorted can be conveniently checked.

[0040] The above specific embodiments are only preferred embodiments of the utility model, and based on the technical scheme of the utility model and the related inspiration of the above embodiments, the person skilled in the art can make various alternative improvements and combinations on the above specific embodiments.

Claims

1. A multifunction roaster for coffee beans comprising a casing (1), characterized in that: The shell (1) is internally connected with a rotatable stirring cylinder (3), the cylinder wall of the stirring cylinder (3) is provided with a sieve hole (34), the shell (1) is internally provided with a heating assembly (2), the heating assembly (2) surrounds the outer periphery of the stirring cylinder (3), one side of the shell (1) is externally provided with an inlet (11) and a discharge port (12) which are communicated with the interior of the stirring cylinder (3) from top to bottom, the bottom of the shell (1) located at the discharge port (12) is further provided with a cooling disc (8), the bottom of the stirring cylinder (3) is sequentially provided with a separation assembly (4) and a first bearing disc (5), one end of the separation assembly (4) is connected with the side wall of the shell (1), the other end is inclined downward and close to the first bearing disc (5), the first bearing disc (5) is slidingly connected with the shell (1).

2. The multi-functional roaster for coffee beans according to claim 1, characterized in that: The stirring cylinder (3) comprises an outer cylinder (31), the sieve hole (34) is arranged on the barrel wall of the outer cylinder (31) and penetrates the outer cylinder (31), the inner part of the outer cylinder (31) is provided with a stirring paddle (35), the stirring paddle (35) is helically distributed along the axis of the outer periphery, one end of the stirring paddle (35) is fixedly connected with the inner part of the outer cylinder (31), the axis center of the outer cylinder (31) is provided with a first rotating shaft (33), the first rotating shaft (33) is connected with the outer cylinder (31) through a support rod (32), one end of the first rotating shaft (33) is rotatably connected with the shell (1), the other end of the first rotating shaft (33) penetrates the shell (1) and is connected with a transmission mechanism (6).

3. The multi-functional roaster for coffee beans according to claim 2, characterized in that: The transmission mechanism (6) comprises a driving motor (64), a second synchronous wheel (63) connected with the output end of the driving motor (64), a first synchronous wheel (61) fixedly sleeved on the first rotating shaft (33), and a synchronous belt (62) tensioned and connected on the first synchronous wheel (61) and the second synchronous wheel (63).

4. The multi-functional roaster for coffee beans according to claim 1, characterized in that: The separation assembly (4) comprises a first separation plate (41) and a second separation plate (42), the first separation plate (41) and the second separation plate (42) each have a plurality of groups, the plurality of groups of the first separation plate (41) and the plurality of groups of the second separation plate (42) are oppositely arranged on the two end side walls of the shell (1), and the plurality of groups of the first separation plate (41) and the plurality of groups of the second separation plate (42) are arranged in an interlaced manner.

5. The multi-functional roaster for coffee beans according to claim 1, characterized in that: The cooling disc (8) is integrally connected with the shell (1) and is arranged directly below the discharge port (12), the cooling disc (8) is sequentially provided with a sorting plate (84) and a second bearing disc (85) from top to bottom, the bottom of the cooling disc (8) located at the second bearing disc (85) is provided with a heat dissipation motor (86), the output end of the heat dissipation motor (86) is connected with a second rotating shaft (83), the second rotating shaft (83) penetrates and is rotatably connected with the second bearing disc (85) and the sorting plate (84), the second rotating shaft (83) is fixedly connected with a sorting paddle (831) above the sorting plate (84), and the second rotating shaft (83) is connected with a heat dissipation fan (832) between the sorting plate (84) and the second bearing disc (85).

6. The multi-functional roaster for coffee beans according to claim 5, characterized in that: The sorting plate (84) is provided with a plurality of sorting holes penetrating through the sorting plate (84).

7. The multi-functional roaster for coffee beans according to claim 6, characterized in that: The cooling disc (8) is externally provided with a slag discharge port (82) communicating with the second bearing disc (85), and the outer side of the slag discharge port (82) is provided with an openable and closable slag discharge valve.

8. The multi-functional roaster for coffee beans according to claim 7, characterized in that: The cooling disc (8) is externally provided with a discharge port (81), the discharge port (81) is located at the bottom of the sorting plate (84), the sorting plate (84) is hingedly connected with a movable plate (841), and the movable plate (841) is reversely connected with the discharge port (81).

9. The multi-functional roaster for coffee beans according to claim 8, characterized in that: The side end of the cooling disc (8) is further provided with a flexible lighting device (7).

10. The multi-functional roaster for coffee beans according to claim 1, characterized in that: The shell (1) is externally further provided with a display screen (13), an adjusting knob (14), an observation window (15) and a temperature indicating meter (16).