TWM610520U - Coffee bean roasting machine and roasting device thereof - Google Patents

Abstract

A coffee bean roasting machine mainly includes a roasting device. The roasting device includes a base, a roasting drum, a hot air device, and a hot air duct. The roasting drum is arranged on the base, and the hot air duct includes an air inlet connector and a hot air duct. An air outlet pipe, the air inlet connector connects the hot air to the hot air device and the air outlet pipe, and the air outlet pipe routes one end of the baking drum into the inner space of the baking drum and faces the other end of the baking drum The outer periphery of the air outlet pipeline is provided with a plurality of air outlets arranged at intervals along the extension direction of the air outlet pipeline and connected to the air outlet pipeline and the inner space of the baking drum, and the hot air duct can be used to guide the air outlet. The hot air generated by the hot air device can be more evenly distributed in the internal space of the baking drum.

Description

Coffee bean roasting machine and roasting device

The present invention relates to a coffee bean roasting machine, in particular to a hot air coffee bean roasting machine.

The existing coffee bean roasters are mainly divided into direct-fire bean roasters and hot-air bean roasters; the direct-fire bean roasters mainly include a roasting drum and a heater, and the heater is located below the roasting drum. The heater is used to directly heat the roasting cylinder to roast the coffee beans contained in the roasting cylinder. However, the shortcomings of the direct-fire roasting machine are that the heat is less easy to control, and the heating of the coffee beans is less uniform and easy Cause the problem of uneven baking.

The hot air roaster mainly includes a roasting drum and a hot air device, and uses hot air as a heating source to roast the coffee beans contained in the roasting drum. One end of the roasting drum is provided with an air inlet communicating with the hot air device, and The hot air provided by the hot air device can enter the roasting drum through the air inlet of the roasting drum; however, since the air inlet is opened at one end of the roasting drum, the hot air entering the roasting drum is easily concentrated on the adjacent air inlet Blocks, and the opposite ends of the baking cylinder are prone to temperature differences, which will cause uneven baking, which needs to be improved.

In view of this, the main purpose of the present invention is to provide a hot-air coffee bean roasting machine and roasting device that can avoid temperature differences in the roasting cylinder.

In order to achieve the above-mentioned purpose, the coffee bean roasting machine provided by the present invention includes: A baking device, which includes a base, a baking tube, a hot air device, and a hot air duct. The baking cylinder is horizontally extended on the base, and an internal space is formed in the baking cylinder. The hot air duct includes an inlet An air connector and an air outlet pipe, the air inlet connector connects the hot air device and the air outlet pipe, and the air outlet pipe extends one end of the baking drum into the inner space of the baking drum and faces the other end of the baking drum Extending, the outer periphery of the air outlet pipeline is provided with a plurality of air outlets arranged at intervals along the extension direction of the air outlet pipeline and communicating with the inner space of the air outlet pipeline and the baking drum; A feeding unit connected to the baking device in communication with the internal space of the baking cylinder; and An air extraction unit communicates with the internal space of the baking cylinder and is connected with the baking device.

The roasting device of the coffee bean roasting machine provided by the present invention includes a base, a roasting drum, a hot air device, and a hot air duct, wherein: The baking cylinder is laterally extended and disposed on the base, and an internal space is formed in the baking cylinder; and The hot air duct includes an air inlet joint and an air outlet pipe, the air inlet joint connects the hot air device and the air outlet pipe, and the air outlet pipe is routed to one end of the baking drum extending into the inner space of the baking drum and facing toward The other end of the baking drum extends, and the outer periphery of the air outlet pipeline is provided with a plurality of air outlets arranged at intervals along the extending direction of the air outlet pipeline and connecting the air outlet pipeline and the internal space of the baking drum.

The new model can use the guide of the outlet pipe of the hot air duct, and after the hot air generated by the hot air device flows into the hot air duct, it flows into the inner space of the baking drum through the air outlet along the outer periphery of the air outlet duct, and let The hot air can be more evenly distributed in the inner space of the roasting drum, which can prevent the temperature difference in the inner space of the roasting drum, and thereby evenly heat the coffee beans contained in the inner space of the roasting drum.

Please refer to FIGS. 1 to 4, a preferred embodiment of the coffee bean roasting machine of the present invention includes a roasting device 100, a feeding unit 50, an air extraction unit 60, and a cooling unit 70.

The roasting device 100 includes a base 10, a roasting drum 20, a hot air device 30, and a hot air duct 40; the roasting drum 20 is in the shape of a cylinder and is horizontally extended on the base 10, as shown in FIG. 1 As shown, the base 10 may be provided with a plurality of support plates 15 arranged at intervals and used to support the baking drum 20; Figures 2 and 3 omit the structure of the housing and the support plate 15 of the base 10, and are illustrated by imaginary lines The baking drum 20 clearly reveals the components located in the baking drum 20, and an internal space 22 is formed in the baking drum 20; the hot air device 30 may be an electric hot air device 30, and has an air outlet as shown in FIG. 4 After allowing air to flow into the hot air device 30, it exchanges heat with the heat energy generated by the heating unit inside the hot air device 30, thereby increasing the temperature and flowing out from the air outlet 33; the hot air duct 40 includes an inlet air The joint 41 is connected to an air outlet pipe 43. The air inlet joint 41 connects the hot air device 30 and the air outlet pipe 43. The air inlet joint 41 is sleeved on the outer periphery of the air outlet 33 of the hot air device 30 to allow The hot air flowing out of the hot air device 30 directly flows into the hot air duct 40, and the air outlet pipe 43 extends from one end of the baking drum 20 into the internal space 22 of the baking drum 20, and extends toward the other end of the baking drum 20 The outer periphery of the air outlet pipe 43 is provided with a plurality of air outlets 432 arranged at intervals along the extending direction of the air outlet pipe 43 and connected with the air outlet pipe 43 and the internal space 22 of the baking drum 20, so as to allow the flow to enter The hot air in the air outlet pipe 43 can flow into the inner space 22 of the baking drum 20 through the air outlets 432.

Preferably, the aperture size of the air outlet 432 located at the end of the air outlet pipe 43 away from the hot air device 30 is larger than the aperture size of the air outlet 432 located at the end of the air outlet pipe 43 adjacent to the hot air device 30, so that the The air output of the air outlet pipe 43 at the end far away from the hot air device 30 is greater than the air output at the end adjacent to the hot air device 30, so as to reduce the temperature difference between the opposite ends of the inner space 22 of the baking drum 20. The aperture size of the air outlet 432 gradually increases from the end adjacent to the hot air device 30 to the end far away from the hot air device 30, so that the hot air flowing into the outlet pipe 43 gradually becomes lower in temperature as it moves away from the hot air device 30 At the same time, the flow rate flowing into the inner space 22 of the baking drum 20 gradually increases. The difference in the flow rate between the two ends of the air outlet pipe 43 reduces the temperature difference between the two ends of the air outlet pipe 43 and avoids the heat of higher temperature. A large amount of air flows into the inner space 22 of the baking drum 20 adjacent to the area of the hot air device 30, so that the hot air can be evenly distributed in the inner space 22 of the baking drum 20, reducing the temperature difference in the inner space 22 of the baking drum 20, and then allowing it to be contained in the baking drum. Coffee beans within 20 are heated more evenly.

Preferably, the hot air duct 40 can be rotatably connected to the baking drum 20 relative to the base 10, and the air inlet connector 41 of the hot air duct 40 can be connected to a motor device 80, and the motor device 80 is used to drive the baking drum 20. The hot air duct 40 rotates relative to the base 10 and the hot air device 30, and the rotating hot air duct 40 can be used to allow hot air to enter the inner space 22 of the baking drum 20 through the air outlet 432 of the air outlet pipe 43 The air outlet pipe 43 rotates at the same time, so that when hot air enters the inner space 22 of the roasting drum 20, a rotating air flow is formed, which improves the heat exchange efficiency, and further makes the temperature of the inner space 22 of the roasting drum 20 more uniform.

Preferably, as shown in Figures 2 and 3, the inner space 22 of the baking drum 20 is provided with a plurality of ring-shaped spaced paddles 25. The paddles 25 surround the air outlet pipe 43 and interact with the hot air. The duct 40 is connected, and when the hot air duct 40 rotates relative to the base 10, it simultaneously drives the paddles 25. The paddles 25 are spiral, and the paddles 25 can be used to guide the baking drum 20 The coffee beans in the internal space 22 are displaced and turned relative to the roasting drum 20, so that the coffee beans are evenly heated. A plurality of annularly arranged blades 433 may also protrude from the outer periphery of the air outlet pipe 43, and the blades 433 are arranged in a spiral shape. The coffee beans entering the roasting drum 20 can be guided by the blades 433.

Please refer to Figures 2, 3, and 5, the feeding unit 50 is connected to the roasting device 100 and communicates with the inner space 22 of the roasting drum 20, and the feeding unit 50 can be used to fill coffee beans to An inner space 22 of the baking drum 20 is provided with an inlet 24 communicating with the inner space 22 at an end far away from the hot air device 30, and a connecting channel is formed between the feeding unit 50 and the baking drum 20 53 is connected. The feeding unit 50 includes an inlet hopper 51 and an on-off valve 55. The inlet hopper 51 is in communication with the internal space 22 of the baking drum 20. The on-off valve 55 selectively closes the bottom opening of the inlet hopper 51, and It can be controlled whether the coffee beans poured into the hopper 51 fall into the connecting channel 53, and enter the inner space 22 of the roasting drum 20 through the inlet 24 of the roasting drum 20, and the inner space 22 of the roasting drum 20 can also be avoided. The hot gas flows out from the feeding unit 50.

Please refer to Figures 2, 3, and 6, the air extraction unit 60 is connected to the baking device 100 and communicates with the internal space 22 of the baking drum 20. The air extraction unit 60 can be a blower device and is connected by a pipe 62 is connected to the baking device 100. The connecting pipe 62 can be connected to the connecting channel 53 to communicate with the inlet 24 of the baking drum 20. When the air extraction unit 60 is activated, the internal space 22 of the baking drum 20 The gas can enter the air extraction unit 60 through the inlet 24 of the baking drum 20, the connecting channel 53, and the connecting pipe 62 in order to be discharged, thereby driving the gas flow in the inner space 22 of the baking drum 20. The moisture inside the baking drum 20 can be extracted, and when the hot air blown by the hot air device 30 enters the internal space 22 of the baking drum 20 through the hot air duct 40, it is driven by the airflow generated by the air extraction unit 60, The flow in the inner space 22 of the roasting drum 20 makes the coffee beans in the inner space 22 of the roasting drum 20 more evenly heated; in addition, the suction generated by the air suction unit 60 can make the coffee beans peel off from the coffee beans more easily , And then discharge the baking drum 20 through the air suction unit 60.

1 and 2, the cooling unit 70 is installed on the base 10, and is located on one side of the baking drum 20, the cooling unit 70 includes a receiving groove 72 and a heat dissipation device 75, the heat dissipation device 75 includes A stirring device 755 that can rotate relative to the holding tank 72, and the coffee beans roasted by the roasting drum 20 can be loaded into the holding tank 72, and the cooling device 75 is used to accelerate the cooling of the coffee beans. The structure of the cooling unit 70 and The technology for moving coffee beans to the holding tank 72 via the roasting drum 20 may be an existing structure, and its structure is not described in detail here.

Please refer to FIG. 7, which is another preferred embodiment of the coffee bean roasting machine of the new type. The hot air duct 40A of the roasting device 100A includes an air inlet joint 41A and an air outlet pipe 43A. The air outlet pipe 43A includes There are a plurality of branch pipes 431 extending from one end of the baking drum 20A to the other end of the baking drum 20A, and the outer circumference of the branch pipes 431 is provided with a plurality of branch pipes 431 arranged at intervals along the extending direction of the branch pipes 431 and connected to the air outlet pipeline 43A and the air outlet 432 of the inner space 22A of the baking drum 20A, and the arrangement of a plurality of branch pipes 431 can be used to increase the range of hot air entering the inner space 22A of the baking drum 20A, thereby increasing the temperature of the inner space 22A of the baking drum 20A More evenly.

Utilizing the above technical features, the present invention can use the guidance of the outlet pipe 43/43A of the hot air duct 40/40A, and allow the hot air generated by the hot air device 30 to flow into the hot air duct 40/40A and then pass through the outlet air The air outlet 432 on the outer circumference of the pipe 43/43A flows into the inner space 22/22A of the baking drum 20/20A, so that the hot air can be more evenly distributed in the inner space 22/22A of the baking drum 20/20A, avoiding the baking drum The 20/20A internal space 22/22A generates a temperature difference, so that the coffee beans contained in the internal space 22/22A of the roasting drum 20/20A are evenly heated.

Further, the aperture size of the air outlets 432 provided on the outer circumference of the air outlet pipe 43/43A can gradually increase from the end adjacent to the hot air device 30 to the end far away from the hot air device 30, so that the hot air is kept away from the hot air device 30. In the process of 30, while the temperature gradually decreases, the flow into the internal space 22/22A of the baking drum 20/20A gradually increases, so that the hot air can be more evenly distributed in the internal space 22/22A of the baking drum 20/20A In addition, the hot air duct 40/40A can be connected to the baking drum 20/20A rotatably relative to the base 10, and hot air enters the baking drum 20/ through the air outlet 432 of the air outlet pipe 43/43A At the same time, the internal space 22/22A of the 20A generates a rotating air flow to improve the heat exchange efficiency, thereby making the temperature of the internal space 22/22A of the baking drum 20/20A more uniform.

100, 100A: Baking device 10: Base 15: Support plate 20, 20A: Baking drum 22, 22A: Internal space 24: Inlet 25: pick 30: Hot air device 40, 40A: hot air duct 41, 41A: Inlet connector 43, 43A: Air outlet pipe 431: Branch 432: air outlet 433: blade 50: Feeding unit 51: into the hopper 53: connection channel 55: On-off valve 60: Extraction unit 62: Connect the pipeline 70: Cooling unit 72: holding tank 75: heat sink 755: Stirring device 80: Motor device

Figure 1 is a perspective view of a preferred embodiment of the new model. Fig. 2 is a perspective view of the preferred embodiment of the new invention, omitting part of the base shell and supporting plate. Fig. 3 is a side view of the preferred embodiment of the new invention omitting part of the base shell and supporting plate. Figure 4 is a partial enlarged cross-sectional side view of the preferred embodiment of the new type. Fig. 5 is a schematic diagram of the feeding action of the preferred embodiment of the new type. Figure 6 is a schematic diagram of the roasting action of the new preferred embodiment. Fig. 7 is a side view of another preferred embodiment of the new invention omitting part of the machine base.

100: Baking device

10: Base

20: Baking drum

22: Internal space

25: pick

30: Hot air device

40: Hot air duct

41: Air inlet connector

43: Outlet pipe

432: air outlet

433: blade

50: Feeding unit

51: into the hopper

53: connection channel

55: On-off valve

60: Extraction unit

62: Connect the pipeline

70: Cooling unit

80: Motor device

Claims (10)

A coffee bean roasting machine includes: A baking device, which includes a base, a baking tube, a hot air device, and a hot air duct. The baking cylinder is horizontally extended on the base, and an internal space is formed in the baking cylinder. The hot air duct includes an inlet An air connector and an air outlet pipe, the air inlet connector connects the hot air device and the air outlet pipe, and the air outlet pipe is routed to one end of the baking drum extending into the inner space of the baking drum and facing the other side of the baking drum. One end extends, and the outer periphery of the air outlet pipeline is provided with a plurality of air outlets arranged at intervals along the extension direction of the air outlet pipeline and connected with the air outlet pipeline and the internal space of the baking drum; A feeding unit connected to the baking device in communication with the inner space of the baking drum, the feeding unit comprising an inlet hopper and an on-off valve, the hopper communicating with the inner space of the baking drum, and the on-off valve selectively closing the The bottom end of the inlet hopper is open; and An air extraction unit communicates with the internal space of the baking cylinder and is connected with the baking device. The coffee bean roasting machine according to claim 1, wherein the air outlet at the end of the air outlet pipe away from the hot air device has a larger diameter than the air outlet on the end of the air outlet pipe adjacent to the hot air device. The coffee bean roasting machine according to claim 2, wherein the hot air duct is rotatable relative to the base and connected with the roasting drum, and the inner space of the roasting drum is provided with a plurality of dials arranged at intervals and connected with the hot air duct. sheet. The coffee bean roasting machine according to claim 3, wherein the coffee bean roasting machine includes a cooling unit installed on the base and located on one side of the roasting drum, and the cooling unit includes a holding tank and A heat sink. The coffee bean roasting machine according to any one of claims 1 to 4, wherein the air outlet pipe of the hot air duct includes a plurality of branch pipes extending from one end of the roasting drum to the other end of the roasting drum, and the The outer circumference of the branch pipe is provided with a plurality of air outlets arranged at intervals along the extension direction of the branch pipes and connected with the air outlet pipeline and the internal space of the baking drum. A roasting device of a coffee bean roasting machine, which comprises a base, a roasting cylinder, a hot air device, and a hot air duct, wherein: The baking cylinder is laterally extended and disposed on the base, and an internal space is formed in the baking cylinder; and The hot air duct includes an air inlet joint and an air outlet pipe, the air inlet joint connects the hot air device and the air outlet pipe, and the air outlet pipe routes one end of the baking drum into the inner space of the baking drum, and Extending toward the other end of the baking drum, the outer periphery of the air outlet pipe is provided with a plurality of air outlets arranged at intervals along the extending direction of the air outlet pipe and communicating with the inner space of the air outlet pipe and the baking drum. The roasting device of the coffee bean roaster according to claim 6, wherein the size of the air outlet located at the end of the air outlet pipe away from the hot air device is larger than the size of the air outlet located at the end of the air outlet pipe adjacent to the hot air device. The roasting device of a coffee bean roasting machine according to claim 7, wherein the hot air duct is rotatable relative to the base and connected to the roasting drum, and the inner space of the roasting drum is provided with a plurality of annular spaces arranged and connected to the hot air duct Linked picks. The roasting device of the coffee bean roasting machine according to claim 7, wherein the paddles are in a spiral shape, and the outer periphery of the air outlet pipe of the hot air duct is protrudingly provided with a plurality of annularly arranged blades, and the blades are arranged in a spiral shape . The roasting device for a coffee bean roasting machine according to any one of claims 6 to 9, wherein the air outlet pipe of the hot air duct includes a plurality of branch pipes extending from one end of the roasting drum to the other end of the roasting drum, And the outer periphery of the branch pipes is provided with a plurality of air outlets arranged at intervals along the extension direction of the branch pipes and connected with the air outlet pipeline and the internal space of the baking drum.

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