Sesame roasting equipment

Abstract

The application discloses a sesame roasting equipment and relates to the technical field of sesame oil production and processing. The sesame roasting equipment comprises a feeding hopper and further comprises an inner cylinder assembly, a feeding end of the inner cylinder assembly is connected to the output port of the feeding hopper, the inner cylinder assembly is composed of an inner cylinder and a first stirring assembly, the first stirring assembly is coaxially arranged in the inner cylinder and is used for implementing radial agitation while axially conveying sesame, an outer cylinder assembly is coaxially arranged outside the inner cylinder and is connected to the discharge port of the inner cylinder. The inner cylinder, the inner helical blade, the outer cylinder and the outer helical blade can realize non-stop processing of sesame roasting, improve production efficiency, the inner cylinder and the outer cylinder are separately arranged to meet the segmented temperature control requirement, the inner helical blade and the second stirring blade can be matched to realize rapid and uniform high-temperature and quick dehydration of sesame, the outer helical blade and the first stirring blade can be matched to realize efficient material stirring when sesame is roasted, and periodic collision between the driving ram and the outer helical blade can avoid adhesion of sesame to the outer helical blade.

Description

Technical Field

[0001] This invention relates to the field of sesame oil production and processing technology, specifically to a sesame roasting and roasting device. Background Technology

[0002] Sesame oil, also known as fragrant oil or sesame seed oil, is produced through three processes: regular sesame oil, stone-milled sesame oil, and machine-pressed sesame oil. Machine-pressed sesame oil uses sesame seeds as raw material, which undergoes processes such as cleaning and rinsing, roasting, smoking, pressing, and filtering to obtain the final sesame oil product. The unique flavor of sesame oil is highly dependent on precise heat treatment processes. The key step is to optimize the conversion of sesamol through segmented temperature control: in the initial stage, high temperature and rapid heat are required to accelerate dehydration; in the middle stage of ripening, the heat is switched to medium to control the ripeness; and the final temperature is strictly controlled below 200℃ to ensure that the seeds are reddish-brown and the moisture content is close to 1%. In the later stage of roasting, when the temperature rises to the critical point, a rapid cooling treatment is required to use the thermal stress effect to make the sesame tissue crisp and improve grinding efficiency. Then, the temperature is restored to 140-150℃ before removing from the pan to avoid carbonization of the oil.

[0003] Chinese patent CN116814330A discloses a sesame roasting device for sesame oil production. This device can rapidly cool sesame seeds by setting up a water spraying component and a pushing component. When the roasting drum rotates in the opposite direction, the second pawl component can limit the rotation of the water spraying pipe and keep it stationary. The pushing component moves back and forth along the reciprocating spiral groove on the outer wall of the water spraying pipe, pushing the sesame seeds at the tail of the roasting drum to the open end. This effectively improves the speed of sesame seed discharge and effectively avoids the problem of excessive sesame seed temperature rise due to excessive discharge time, which affects the quality of oil extraction.

[0004] The above structure uses water spray cooling and reciprocating pusher structure, which can improve the discharge speed and suppress sesame overheating, but there are still shortcomings in actual use: the intermittent movement of the pusher component causes production continuity to be interrupted, which significantly restricts the throughput efficiency of the equipment. At the same time, the sesame sticking phenomenon in the reciprocating spiral groove causes the transmission stability to deteriorate, which not only increases the risk of mechanical failure, but also leads to the increase in cleaning and maintenance costs. Summary of the Invention

[0005] To address the shortcomings of existing technologies, this invention provides a sesame roasting and roasting device that solves the problems mentioned in the background art.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a sesame roasting device, comprising a feeding hopper, and further comprising: an inner cylinder assembly, the feeding end of which receives the output port of the feeding hopper; the inner cylinder assembly consists of an inner cylinder and a first stirring assembly, the first stirring assembly being coaxially disposed inside the inner cylinder for axial conveying of sesame seeds while simultaneously performing radial stirring; an outer cylinder assembly, coaxially sleeved outside the inner cylinder and receiving its discharge port; the outer cylinder assembly consists of an outer cylinder and a second stirring assembly disposed between the outer cylinder and the inner cylinder; the second stirring assembly includes: an outer spiral blade, rotatably mounted on the inner wall of the outer cylinder. An annular gap channel is formed between its inner edge and the outer wall of the inner cylinder; a second rotating shaft is axially inserted between two adjacent blades of the outer spiral blade; a first stirring blade is fixed on the second rotating shaft; and a hammer is located at both ends of the first stirring blade. The second rotating shaft rotates synchronously with the outer spiral blade. When the second rotating shaft rotates to the lower region of the outer cylinder, the first stirring blade rotates around the second rotating shaft. When the first stirring blade is not rotating, the second rotating shaft reciprocates axially, causing the hammer to reciprocate axially in the outer cylinder and periodically strike the surface of the outer spiral blade, shaking off the sesame seeds adhering to the surface of the outer spiral blade.

[0007] Furthermore, it also includes a drive assembly, which includes: a transmission box fixed to one end of the outer cylinder, with an annular guide assembly fixed inside; a turntable rotatably disposed at the connection between the transmission box and the outer cylinder; an incomplete internal gear ring fixed inside the transmission box, with a toothed section provided on the lower part of its inner circumference; and a spur gear fixed to one end of the second rotating shaft that passes through the turntable, and meshing with the toothed section of the incomplete internal gear ring to drive the second rotating shaft to rotate.

[0008] Furthermore, the annular guide assembly includes a first planar region, a protrusion, and a second planar region continuously distributed along the circumferential direction, wherein the protrusion is connected to the junction of the first planar region and the second planar region, and the end of the second rotating shaft is slidably connected to the annular guide assembly; when the second rotating shaft slides along the protrusion, it drives the second rotating shaft to reciprocate along the axial direction of the outer cylinder.

[0009] Furthermore, it also includes a rotating ring, which is rotatably connected to the outer side of the inner cylinder near the feed hopper, and a sleeve is fixed on the rotating ring. One end of the second rotating shaft extends into the inside of the sleeve and is equipped with a return spring, which is used to reset the second rotating shaft after axial movement.

[0010] Further, the first stirring assembly includes: a first rotating shaft, disposed on the central shaft of the inner cylinder and fixedly connected to the turntable; a sleeve, fixedly sleeved on the first rotating shaft at equal intervals, with an inner spiral blade fixed on its outer side, the inner spiral blade and the outer spiral blade having opposite spiral directions, and a sesame conveying channel being formed between the inner edge of the inner spiral blade and the outer wall of the sleeve; a fixed seat, fixed inside the inner cylinder and rotatably connected to the first rotating shaft; a first bevel gear, installed on the first rotating shaft inside the fixed seat; and a stirring shaft, rotatably installed on the lower outer side of the fixed seat, with a second stirring blade fixed at one end, and the other end extending into the fixed seat and fitted with a second bevel gear that meshes with the first bevel gear.

[0011] Furthermore, it also includes an electric heating element, which is embedded in the lower end of the inner cylinder, for directly heating the sesame seeds flowing through the inner cylinder, and indirectly heating the sesame seeds between the inner and outer cylinders through heat conduction.

[0012] Furthermore, the inner cylinder is provided with an exhaust hole above the fixed base, and an air guide fan is rotatably installed inside the exhaust hole. The air guide fan has a fan shaft in the middle, and the lower end of the fan shaft extends into the fixed base and is equipped with a third bevel gear that meshes with the first bevel gear.

[0013] Furthermore, it also includes a preheating tank, which is located at the inner cylinder feed end and is used to preheat the sesame seeds inside the inner cylinder; the rotating ring is rotatably connected to the preheating tank, and the rotating ring is provided with exhaust fan blades on the side facing the preheating tank. The exhaust fan blades rotate with the rotating ring to accelerate the entry of hot smoke from inside the outer cylinder into the preheating tank.

[0014] Furthermore, a motor is fixed on the outer cylinder, a drive wheel is installed at the output end of the motor, a driven wheel is installed at one end of the first rotating shaft, and a transmission belt is installed between the drive wheel and the driven wheel.

[0015] Furthermore, the bottom of the outer cylinder is provided with a discharge port for outputting the roasted sesame seeds, and a water supply pipe is provided on the outer side of the outer cylinder away from the discharge port, which is used to add a small amount of water during the sesame roasting process.

[0016] The present invention has the following beneficial effects:

[0017] (1) The sesame roasting equipment can achieve non-stop sesame roasting through the inner cylinder, inner spiral blades, outer cylinder and outer spiral blades, which improves production efficiency. The separate setting of the inner cylinder and outer cylinder can meet the requirements of segmented temperature control. With the cooperation of the inner spiral blades and the second stirring blade, the sesame can be quickly and evenly dehydrated at high temperature. With the cooperation of the outer spiral blades and the first stirring blade, the sesame can be efficiently turned over when roasted, avoiding the sesame from burning. The axial reciprocating motion of the second rotating shaft drives the hammer to collide with the outer spiral blade periodically, which can prevent the outer spiral blade from sticking to the sesame and reduce the cleaning cost of the equipment.

[0018] (2) The sesame roasting equipment accelerates the outflow of hot smoke from the inner cylinder through the air guide fan. This can be used for heat preservation inside the outer cylinder and prevent hot smoke from seeping into the sesame and affecting its taste. By rotating the exhaust fan blades, the hot smoke flows into the preheating tank and further heats the inner cylinder at the preheating tank, thereby heating the sesame inside the inner cylinder and achieving preheating before roasting the sesame, thus improving the heat energy utilization rate.

[0019] Of course, any product implementing this invention does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the structure of the present invention;

[0021] Figure 2 In this invention Figure 1 Another perspective view;

[0022] Figure 3 This is a schematic diagram of the internal structure of the outer cylinder in this invention;

[0023] Figure 4 This is a schematic diagram of the internal structure of the present invention;

[0024] Figure 5 This is a schematic diagram showing the arrangement of the inner and outer cylinders in this invention;

[0025] Figure 6 This is a schematic diagram of the mounting structure of the second rotating shaft in this invention;

[0026] Figure 7 This is a schematic diagram of the internal structure of the transmission box in this invention;

[0027] Figure 8 In this invention Figure 7 Top view;

[0028] Figure 9 This is a schematic diagram of the structure of the first stirring component in this invention;

[0029] Figure 10 This is a schematic diagram of the installation structure of the second stirring blade in this invention;

[0030] Figure 11 This is a schematic diagram of the internal structure of the fixing base in this invention;

[0031] Figure 12 This is a schematic diagram of the connection structure between the second rotating shaft and the annular guide assembly in this invention;

[0032] Figure 13 In this invention Figure 12 The main view;

[0033] Figure 14This is a schematic diagram of the connection structure between the sleeve and the second rotating shaft in this invention;

[0034] Figure 15 This is a schematic diagram of the arrangement of the incomplete internal gear ring and spur gear in this invention.

[0035] In the diagram, 1. Outer cylinder; 2. Feed hopper; 3. Preheating tank; 4. Transmission box; 5. Discharge port; 6. Water supply pipe; 7. Motor; 8. Drive wheel; 9. Driven wheel; 10. First rotating shaft; 11. Exhaust pipe; 12. Inner cylinder; 13. Outer spiral blade; 14. Discharge spiral blade; 15. Second rotating shaft; 16. First stirring blade; 17. Impact hammer; 18. Sleeve; 19. Rotary ring; 20. Turntable; 21. Isolation net; 22. Exhaust fan blade; 23. Spur gear; 24. 25. Incomplete internal gear ring; 25. Annular guide assembly; 2501. First planar area; 2502. Protrusion; 2503. Second planar area; 26. Inner spiral blade; 27. Feed spiral blade; 28. Exhaust port; 29. ​​Air guide fan; 30. Fixed base; 31. Sleeve; 32. Second stirring blade; 33. Heating tube; 34. First bevel gear; 35. Stirring shaft; 36. Second bevel gear; 37. Third bevel gear; 38. Fan shaft; 39. Return spring. Detailed Implementation

[0036] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0037] In the description of this invention, it should be understood that the terms "opening", "upper", "lower", "thickness", "top", "middle", "length", "inner", "around", etc., which indicate orientation or positional relationship, are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as limiting this invention.

[0038] The following is based on Figure 1 - Figure 15 This invention describes the sesame roasting equipment provided in an embodiment of the invention.

[0039] Please see Figure 1 - Figure 15This invention provides a technical solution: a sesame roasting device, including a feeding hopper 2, an inner cylinder assembly, and an outer cylinder assembly. The feeding end of the inner cylinder assembly receives the output port of the feeding hopper 2. The inner cylinder assembly consists of an inner cylinder 12 and a first stirring assembly. The first stirring assembly is coaxially arranged inside the inner cylinder 12 and is used for axial conveying of sesame while simultaneously performing radial stirring. The outer cylinder assembly is coaxially sleeved outside the inner cylinder 12 and receives its discharge port. The outer cylinder assembly consists of an outer cylinder 1 and a second stirring assembly arranged between the outer cylinder 1 and the inner cylinder 12. Preferably, one end of the inner cylinder 12 near the feeding hopper 2 passes through the outer cylinder 1, and a gap is left between the other end of the inner cylinder 12 and the outer cylinder 1 to convey the sesame inside the inner cylinder 12 to the outer cylinder 1. A support frame is provided on the outside of the outer cylinder 1, mainly for supporting and fixing the outer cylinder 1. The inner cylinder 12 is mainly used for rapid heating during the sesame roasting process to accelerate the loss of moisture inside the sesame. The outer cylinder 1 is mainly used for roasting the sesame during the roasting process, with the focus on preventing scorching or burning.

[0040] To achieve the desired charring effect during the sesame roasting process, the second stirring component provided in this embodiment includes an outer spiral blade 13, which is rotatably mounted on the inner wall of the outer cylinder 1. An annular gap channel is formed between its inner edge and the outer wall of the inner cylinder 12. By rotating the outer spiral blade 13, the sesame seeds are axially conveyed inside the outer cylinder 1. The annular gap channel allows the sesame seeds to be carried in the spiral groove formed by adjacent blades of the outer spiral blade 13. During the rotation of the outer spiral blade 13, the sesame seeds slide from the groove to the outer edge of the outer spiral blade 13 under the action of centrifugal force. When the outer spiral blade 13 reaches its highest point, the sesame seeds fall back to the downstream adjacent spiral groove under the action of gravity, forming a periodic scattering, realizing repeated turning of the sesame seeds and avoiding local heating.

[0041] In addition, to further prevent scorching during the roasting process of sesame seeds, the second stirring assembly provided in this embodiment also includes a second rotating shaft 15, a first stirring blade 16, and a hammer 17. The second rotating shaft 15 is axially inserted between the gaps between two adjacent blades of the outer spiral blade 13, and at least two sets of the second rotating shaft 15 are provided. The first stirring blade 16 is fixed on the second rotating shaft 15, and the hammer 17 is located at both ends of the first stirring blade 16. The second rotating shaft 15 rotates synchronously with the outer spiral blade 13. When the second rotating shaft 15 rotates to the lower region of the outer cylinder 1, the first stirring blade 16 rotates around the second rotating shaft 15, thereby turning over the sesame seeds at the bottom of the outer cylinder 1. Stirring further prevents sesame seeds from burning. When the first stirring blade 16 is in a non-rotating state, it separates from the sesame seeds at the bottom of the outer cylinder 1. The second rotating shaft 15 can reciprocate along the axial direction of the outer cylinder 1, causing the hammer 17 to reciprocate along the axial direction of the outer cylinder 1 and periodically strike the surface of the outer spiral blade 13, shaking off the sesame seeds adhering to the surface of the outer spiral blade 13, thereby reducing the occurrence of sesame seed adhesion. Preferably, a first bearing is installed at the connection between the outer spiral blade 13 and the second rotating shaft 15 to ensure the rotation of the second rotating shaft 15. In addition, the second rotating shaft 15 can slide along the axial direction of the first bearing to facilitate the axial reciprocating motion of the second rotating shaft 15.

[0042] like Figure 3 , Figure 5 , Figure 6 , Figure 7 and Figure 15 As shown, in order to drive the second rotating shaft 15, the sesame roasting equipment provided in this embodiment also includes a drive assembly. The drive assembly includes a transmission box 4, which is fixed to one end of the outer cylinder 1. An annular guide assembly 25 is fixed inside the transmission box 4. The annular guide assembly 25 cooperates with the end of the second rotating shaft 15 to drive the second rotating shaft 15 to reciprocate axially.

[0043] The drive assembly provided in this embodiment also includes a turntable 20, an incomplete internal gear ring 24, and a spur gear 23. The turntable 20 is rotatably disposed at the connection between the transmission box 4 and the outer cylinder 1. It is mainly used to drive the second rotating shaft 15 and the first stirring assembly to rotate around the axis of the outer cylinder 1. Preferably, a second bearing is installed at the connection between the turntable 20 and the second rotating shaft 15 to ensure that the second rotating shaft 15 rotates on its own axis. In addition, the second rotating shaft 15 can slide along the axial direction of the second bearing to facilitate the axial reciprocating motion of the second rotating shaft 15. The incomplete internal gear ring 24 is fixed inside the transmission box 4. A toothed section is provided at the lower part of its inner circumference. Preferably, the toothed section is symmetrically arranged on the vertical plane where the axis of the outer cylinder 1 is located. The spur gear 23 is fixed to one end of the second rotating shaft 15 that passes through the turntable 20 and meshes with the toothed section of the incomplete internal gear ring 24 to drive the second rotating shaft 15 to rotate, thereby causing the second rotating shaft 15 to rotate on its own axis.

[0044] like Figure 12 and Figure 13As shown, the annular guide assembly 25 provided in this embodiment includes a first planar region 2501, a protrusion 2502, and a second planar region 2503 continuously distributed along the circumferential direction. The protrusion 2502 is connected to the connection between the first planar region 2501 and the second planar region 2503. The end of the second rotating shaft 15 is slidably connected to the annular guide assembly 25. The first planar region 2501 is adapted to the tooth segment of the incomplete internal gear ring 24, mainly to ensure the stability when the spur gear 23 meshes with the tooth segment of the incomplete internal gear ring 24. At least one set of protrusions 2502 is provided. When the second rotating shaft 15 slides along the protrusions 2502, the distance of the protrusions 2502 in the axial direction of the outer cylinder 1 gradually changes, so as to drive the second rotating shaft 15 to reciprocate along the axial direction of the outer cylinder 1.

[0045] like Figure 3 , Figure 4 , Figure 6 , Figure 7 and Figure 8 As shown, to achieve the reset after the second rotating shaft 15 moves axially, the sesame roasting equipment provided in this embodiment also includes a rotating ring 19. The rotating ring 19 is rotatably connected to the outer side of the inner cylinder 12 near the feed hopper 2, and a sleeve 18 is fixed on the rotating ring 19. The number of sleeves 18 is the same as the number of second rotating shafts 15, and one end of the second rotating shaft 15 extends into the corresponding sleeve 18 and is equipped with a reset spring 39. The reset spring 39 is used to drive the second rotating shaft 15 to move axially and then reset. Since the second rotating shaft 15 only moves axially in the non-stirring area, the resistance encountered by the second rotating shaft 15 during axial movement is small. Therefore, the resistance overcome by the reset spring 39 during reset is small, thereby extending the service life of the reset spring 39 and avoiding its deformation capacity from long-term pressure.

[0046] like Figure 4 , Figure 5 , Figure 9 , Figure 10 and Figure 11 As shown, in order to accelerate the loss of moisture inside the sesame seeds, the first stirring component provided in this embodiment includes a first rotating shaft 10, which is located on the central axis of the inner cylinder 12 and is fixedly connected to the turntable 20. Preferably, one end of the first rotating shaft 10 extends into the inside of the feeding hopper 2 and is equipped with a feeding spiral blade 27. The feeding spiral blade 27 is rotated by the first rotating shaft 10, thereby accelerating the entry of sesame seeds into the inner cylinder 12 from the inside of the feeding hopper 2, thus realizing the input of sesame seeds.

[0047] A sleeve 31 is fixedly fitted at equal intervals on the outer side of the first rotating shaft 10. There is a gap between two adjacent sleeves 31, and an inner spiral blade 26 is fixed on the outer side of the sleeve 31. The inner spiral blades 26 are discretely distributed inside the inner cylinder 12. Since the inner spiral blades 26 and the outer spiral blades 13 rotate in the same direction, in order to achieve stable conveying of sesame seeds, the inner spiral blades 26 and the outer spiral blades 13 provided in this embodiment have opposite spiral directions. A sesame seed conveying channel is formed between the inner edge of the inner spiral blade 26 and the outer wall of the sleeve 31. That is, the inner diameter of the inner spiral blade 26 is larger than the outer diameter of the sleeve 31, so that the sesame seeds are carried in the semi-enclosed cavity between adjacent inner spiral blades 26. When rotating, the working surface of the inner spiral blades 26 pushes the sesame seeds to move axially along the spiral channel. The axial gap between adjacent inner spiral blades 26 allows the sesame seeds to be radially scattered under the action of centrifugal force, thereby realizing the turning and conveying of sesame seeds. A fixed seat 30 is fixed inside the inner cylinder 12. A fixed base 30 is located at one end of the first rotating shaft 10 and is rotatably connected to the first rotating shaft 10. A first bevel gear 34 is fixed inside the fixed base 30 on the outside of the first rotating shaft 10. A stirring shaft 35 is rotatably connected to the lower end of the fixed base 30 on the outside. A second stirring blade 32 is fixed at one end of the stirring shaft 35. Preferably, the edge of the second stirring blade 32 is arc-shaped to prevent the sesame skin from breaking when it rotates. The other end of the second stirring blade 32 extends into the fixed base 30 and is fitted with a second bevel gear 36 that meshes with the first bevel gear 34. The rotation of the first rotating shaft 10 causes the sleeve 31 to drive the inner spiral blade 26 to rotate, thereby realizing the turning and conveying of sesame seeds. In this process, the first rotating shaft 10 drives the first bevel gear 34 to rotate. The meshing of the first bevel gear 34 and the second bevel gear 36 causes the stirring shaft 35 to drive the second stirring blade 32 to rotate rapidly, thereby improving the turning effect and accelerating the loss of moisture inside the sesame seeds.

[0048] like Figure 9 As shown, to achieve heating during sesame roasting, the sesame roasting equipment provided in this embodiment also includes an electric heating tube 33. The electric heating tube 33 is embedded in the lower end of the inner cylinder 12. Since the sesame is in direct contact with the lower end of the inner cylinder 12, it can be used to directly heat the sesame flowing through the inner cylinder 12. In addition, since the sesame is in the lower end of the outer cylinder 1 and is not in direct contact with the inner cylinder 12, indirect heating through heat conduction is achieved when the sesame is roasted, reducing the phenomenon of scorching or burning when the sesame is roasted. This zoned heating method can effectively control the temperature of the sesame and improve the heat conduction effect during sesame roasting.

[0049] like Figure 9 - Figure 11As shown, the inner cylinder 12 heats up quickly, and the sesame seeds have a high moisture content at this time, producing a lot of smoke. If not dealt with in time, it will seriously affect the taste of the roasted sesame seeds. Therefore, an exhaust hole 28 is provided above the fixed base 30 in the inner cylinder 12. A guide fan 29 is rotatably installed inside the exhaust hole 28. A fan shaft 38 is provided in the middle of the guide fan 29. The lower end of the fan shaft 38 extends into the fixed base 30 and is equipped with a third bevel gear 37 that meshes with the first bevel gear 34. Through the meshing of the first bevel gear 34 and the third bevel gear 37, the third bevel gear 37 drives the fan shaft 38 to rotate, which in turn drives the guide fan 29 to rotate, accelerating the outflow of hot smoke from inside the inner cylinder 12. This can be used to keep the inner cylinder 1 warm and prevent hot smoke from seeping into the sesame seeds and affecting their taste.

[0050] like Figure 1 - Figure 8 As shown, in order to reduce heat loss and accelerate the sesame roasting efficiency, the sesame roasting equipment provided in this embodiment also includes a preheating tank 3. The preheating tank 3 is located at the feeding end of the inner cylinder 12 and is used to preheat the sesame inside the inner cylinder 12. An exhaust pipe 11 is also provided on the preheating tank 3. The heat energy in the flue gas discharged from the exhaust pipe 11 can be replaced by an external heat exchanger, thereby improving the heat energy utilization rate.

[0051] To accelerate the diffusion of heat energy from the outer cylinder 1 to the preheating tank 3, the rotating ring 19 provided in this embodiment is rotatably connected to the preheating tank 3, and the rotating ring 19 is provided with an exhaust fan blade 22 on the side facing the preheating tank 3. The exhaust fan blade 22 rotates with the rotating ring 19 to accelerate the entry of hot smoke from the outer cylinder 1 into the preheating tank 3. The hot smoke heats the inner cylinder 12 at the preheating tank 3, thereby heating the sesame seeds inside the inner cylinder 12, achieving preheating of the sesame seeds before roasting, and improving the heat energy utilization rate. It should be noted that an isolation net 21 needs to be installed in the gap between the rotating ring 19 and the inner cylinder 12, mainly to prevent the sesame seeds inside the outer cylinder 1 from entering the preheating tank 3. For the inner cylinder 12 located inside the preheating tank 3, the preheating effect can be improved by reducing its thickness, or by adding a heat-conducting plate or other methods to improve the heat exchange effect between the hot smoke and the inner cylinder 12.

[0052] like Figure 1 As shown, in order to drive the first rotating shaft 10, a motor 7 is fixed on the outer cylinder 1. A drive wheel 8 is installed at the output end of the motor 7, and a driven wheel 9 is installed at one end of the first rotating shaft 10. A transmission belt is installed between the drive wheel 8 and the driven wheel 9. Preferably, the drive wheel 8, the driven wheel 9 and the transmission belt are all equipped with transmission teeth to improve the transmission effect. The motor 7 makes the drive wheel 8 rotate, and the transmission belt makes the driven wheel 9 rotate synchronously with the drive wheel 8, which further makes the first rotating shaft 10 rotate.

[0053] like Figure 1 and Figure 3As shown, to facilitate the discharge of roasted sesame seeds, a discharge port 5 is provided at the bottom of the outer cylinder 1 for discharging the roasted sesame seeds. Preferably, a discharge spiral blade 14 is installed on the outside of the outer cylinder 1. The spiral direction of the discharge spiral blade 14 is opposite to that of the outer spiral blade 13. It is also driven by the torque generated when the second rotating shaft 15 rotates around the axis of the outer cylinder 1. The setting of the discharge spiral blade 14 can prevent sesame seeds from being conveyed to the outer cylinder 1 near the preheating tank 3, thereby improving the sesame seed output effect. In addition, a water supply pipe 6 is provided at the end of the outer cylinder 1 away from the discharge port 5. The water supply pipe 6 is used to add a small amount of water during the sesame roasting process. Preferably, the water supply pipe 6 can spray water intermittently, so that the water acts on the sesame seeds roasted inside the outer cylinder 1. Since the sesame seeds inside the outer cylinder 1 contain With low water content and high oil content, sesame seeds heat up very quickly when dry-fried directly in the pan. The sesame seeds in contact with the bottom and sides of the pan are easily scorched and burnt due to excessively high local temperatures. Burnt sesame seeds produce a bitter taste, a burnt flavor, and harmful substances (such as benzo[a]pyrene). These substances will enter the oil, seriously reducing the quality, flavor, and safety of the sesame oil. After adding a small amount of water, the water evaporates rapidly at high temperatures. This heat absorption process effectively reduces the local temperature inside the pan, especially the temperature of the bottom of the pan and the surface in contact with the sesame seeds, acting as a "buffer" to prevent the sesame seeds from overheating and burning instantly. In addition, adding a small amount of water provides the moisture environment required for the Maillard reaction, which helps to carry out the Maillard reaction more fully and harmoniously, thus producing a richer and more mellow characteristic aroma of sesame.

[0054] When in use (during operation), pour the washed and dried sesame seeds into the feed hopper 2, start the motor 7 to make the drive wheel 8 rotate, and make the driven wheel 9 rotate synchronously with the drive wheel 8 through the transmission belt, further making the first rotating shaft 10 rotate. The first rotating shaft 10 makes the feed spiral blade 27 rotate, thereby accelerating the sesame seeds in the feed hopper 2 into the inner cylinder 12. Start the electric heating tube 33 to directly heat the sesame seeds flowing through the inner cylinder 12. In addition, since the sesame seeds are inside the lower end of the outer cylinder 1, they are not in direct contact with the inner cylinder 12, thereby achieving indirect heating through heat conduction when the sesame seeds are roasted.

[0055] The rotation of the first rotating shaft 10 causes the sleeve 31 to drive the inner spiral blades 26 to rotate, thereby realizing the turning and conveying of sesame seeds. During this process, the first rotating shaft 10 drives the first bevel gear 34 to rotate. Through the meshing of the first bevel gear 34 and the second bevel gear 36, the stirring shaft 35 drives the second stirring blade 32 to rotate rapidly, thereby improving the turning effect and accelerating the loss of internal moisture from the sesame seeds. At the same time, through the meshing of the first bevel gear 34 and the third bevel gear 37, the third bevel gear 37 drives the fan shaft 38 to rotate, further causing the air guide fan 29 to rotate, accelerating the outflow of hot smoke from inside the inner cylinder 12. This can be used for heat preservation inside the outer cylinder 1 and prevent hot smoke from seeping into the sesame seeds and affecting their taste. The sesame seeds inside the inner cylinder 12 are conveyed to the outer cylinder along the inner cylinder 12. After entering the outer cylinder 1, the second rotating shaft 15 is driven by the turntable 20 to rotate around the axis of the outer cylinder 1, which further rotates the outer spiral blade 13. The rotation of the outer spiral blade 13 causes the sesame seeds to be transported axially inside the outer cylinder 1 and form a periodic scattering, so that the sesame seeds are repeatedly turned over to avoid local heating. When the second rotating shaft 15 rotates to the lower area of ​​the outer cylinder 1, the spur gear 23 meshes with the tooth section of the incomplete internal gear ring 24, so that the second rotating shaft 15 rotates, which in turn drives the first stirring blade 16 to rotate, thereby turning and stirring the sesame seeds at the bottom of the outer cylinder 1, further preventing the sesame seeds from burning. When the spur gear 23 separates from the tooth section of the incomplete internal gear ring 24, the first stirring blade 16 is in a non-rotating state. At this time, the first stirring blade 16 is separated from the sesame seeds at the bottom of the outer cylinder 1.

[0056] Simultaneously, the protrusion 2502 on the annular guide assembly 25 pushes the second rotating shaft 15 to move axially along the outer cylinder 1, further displacing the other end of the second rotating shaft 15 from the sleeve 18, so that the return spring 39 stores energy. When the second rotating shaft 15 gradually moves away from the protrusion 2502, the elastic potential energy inside the return spring 39 is released, causing the second rotating shaft 15 to reset. This causes the hammer 17 to reciprocate axially in the outer cylinder 1 and periodically strike the surface of the outer spiral blade 13, shaking off the sesame seeds adhering to the surface of the outer spiral blade 13, thereby reducing the occurrence of sesame seed adhesion. After the sesame seeds are roasted, the rotation of the outer spiral blade 13 causes the sesame seeds to be transported axially inside the outer cylinder 1 to the discharge port 5, thereby realizing the collection of roasted sesame seeds.

[0057] During this process, the second rotating shaft 15 causes the rotating ring 19 to rotate synchronously with the outer spiral blade 13, thereby causing the exhaust fan blade 22 to rotate, thus accelerating the flow of hot smoke into the preheating tank 3. The hot smoke further heats the inner cylinder 12 of the preheating tank 3, thereby heating the sesame seeds inside the inner cylinder 12, achieving preheating of the sesame seeds before roasting and improving the heat energy utilization rate.

[0058] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus.

[0059] The preferred embodiments of the present invention disclosed above are merely illustrative of the invention. These preferred embodiments do not exhaustively describe all details, nor do they limit the invention to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of the invention, thereby enabling those skilled in the art to better understand and utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. A sesame roasting device, comprising a feeding hopper (2), characterized in that, Also includes: The inner cylinder assembly has its feed end connected to the output port of the feed hopper (2). The inner cylinder assembly consists of an inner cylinder (12) and a first stirring assembly. The first stirring assembly is coaxially arranged inside the inner cylinder (12) and is used for axial conveying of sesame seeds while performing radial stirring. The outer cylinder assembly is coaxially sleeved outside the inner cylinder (12) and receives its discharge port. The outer cylinder assembly consists of an outer cylinder (1) and a second stirring assembly located between the outer cylinder (1) and the inner cylinder (12). The second stirring assembly includes: The outer spiral blade (13) is rotatably mounted on the inner wall of the outer cylinder (1), and its inner edge forms an annular gap channel with the outer wall of the inner cylinder (12); The second rotating shaft (15) is axially inserted between the gaps between two adjacent blades of the outer helical blade (13); The first stirring blade (16) is fixed on the second rotating shaft (15); The hammer (17) is located at both ends of the first stirring blade (16); The second rotating shaft (15) rotates synchronously with the outer spiral blade (13). When the second rotating shaft (15) rotates to the lower part of the outer cylinder (1), the first stirring blade (16) rotates around the second rotating shaft (15). When the first stirring blade (16) is in a non-rotating state, the second rotating shaft (15) moves back and forth along the axial direction, causing the hammer (17) to move back and forth along the axial direction of the outer cylinder (1) and periodically strike the surface of the outer spiral blade (13), shaking off the sesame seeds stuck to the surface of the outer spiral blade (13).

2. The sesame roasting equipment according to claim 1, characterized in that, It also includes a driver component, which includes: The transmission box (4) is fixed to one end of the outer cylinder (1), and an annular guide assembly (25) is fixed inside it. A turntable (20) is rotatably mounted at the connection between the transmission box (4) and the outer cylinder (1); An incomplete internal gear ring (24) is fixed inside the transmission box (4), and a toothed section is provided on the lower part of its inner circumference; A spur gear (23) is fixed to one end of the second rotating shaft (15) that passes through the turntable (20) and meshes with the tooth segment of the incomplete internal gear ring (24) to drive the second rotating shaft (15) to rotate.

3. The sesame roasting equipment according to claim 2, characterized in that: The annular guide assembly (25) includes a first planar region (2501), a protrusion (2502), and a second planar region (2503) continuously distributed along the circumferential direction. The protrusion (2502) is connected to the junction of the first planar region (2501) and the second planar region (2503). The end of the second rotating shaft (15) is slidably connected to the annular guide assembly (25). When the second rotating shaft (15) slides along the protrusion (2502), it drives the second rotating shaft (15) to reciprocate along the outer cylinder (1) axis.

4. The sesame roasting equipment according to claim 3, characterized in that, It also includes a rotating ring (19), which is rotatably connected to one end of the inner cylinder (12) near the feed hopper (2), and a sleeve (18) is fixed on the rotating ring (19). One end of the second rotating shaft (15) extends into the sleeve (18) and is equipped with a return spring (39), which is used to reset the second rotating shaft (15) after axial movement.

5. The sesame roasting equipment according to claim 4, characterized in that, The first stirring assembly includes: The first rotating shaft (10) is located on the central shaft of the inner cylinder (12) and is fixedly connected to the turntable (20); The sleeve (31) is fixedly sleeved on the first rotating shaft (10) at equal intervals. An inner spiral blade (26) is fixed on its outer side. The inner spiral blade (26) and the outer spiral blade (13) have opposite spiral directions. The inner edge of the inner spiral blade (26) and the outer wall of the sleeve (31) form a sesame conveying channel. The fixed seat (30) is fixed inside the inner cylinder (12) and is rotatably connected to the first rotating shaft (10); The first bevel gear (34) is mounted on the first rotating shaft (10) inside the fixed base (30); The stirring shaft (35) is rotatably mounted on the lower outer side of the fixed base (30). One end of the shaft is fixed with a second stirring blade (32), and the other end extends into the interior of the fixed base (30) and is fitted with a second bevel gear (36) that meshes with the first bevel gear (34).

6. The sesame roasting equipment according to claim 5, characterized in that, It also includes an electric heating tube (33), which is embedded in the lower end of the inner cylinder (12) for directly heating the sesame seeds flowing through the inner cylinder (12) and indirectly heating the sesame seeds between the inner cylinder (12) and the outer cylinder (1) through heat conduction.

7. The sesame roasting equipment according to claim 6, characterized in that: The inner cylinder (12) is provided with an exhaust hole (28) above the fixed seat (30). An air guide fan (29) is rotatably installed inside the exhaust hole (28). A fan shaft (38) is provided in the middle of the air guide fan (29). The lower end of the fan shaft (38) extends into the fixed seat (30) and is equipped with a third bevel gear (37) that meshes with the first bevel gear (34).

8. The sesame roasting equipment according to claim 7, characterized in that, It also includes a preheating tank (3), which is located at the feeding end of the inner cylinder (12) and is used for preheating the sesame seeds inside the inner cylinder (12); The rotating ring (19) is rotatably connected to the preheating tank (3), and the rotating ring (19) is provided with a fan blade (22) on the side facing the preheating tank (3). The fan blade (22) rotates with the rotating ring (19) to accelerate the entry of hot smoke inside the outer cylinder (1) into the preheating tank (3).

9. A sesame roasting device according to any one of claims 5-8, characterized in that: A motor (7) is fixed on the outer cylinder (1). A drive wheel (8) is installed at the output end of the motor (7). A driven wheel (9) is installed at one end of the first rotating shaft (10). A transmission belt is installed between the drive wheel (8) and the driven wheel (9).

10. A sesame roasting device according to claim 9, characterized in that: The outer cylinder (1) has a discharge port (5) at the bottom for outputting the roasted sesame seeds, and a water supply pipe (6) is provided at the outer side of the outer cylinder (1) away from the discharge port (5). The water supply pipe (6) is used to add a small amount of water during the sesame roasting process.

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