A device for carbonizing Chinese chestnut seed coat

Abstract

The utility model discloses a kind of Chinese chestnut seed coat carbonization devices, including carbonization mechanism, with material inlet and discharge port are connected with nitrogen gas supply piece;Screw conveyor, with inlet and outlet, the inlet is connected with the discharge port;First cooling piece, installation in the screw conveyor, cooling is carried out to the Chinese chestnut with seed coat that the screw conveyor is conveyed;Belt conveyor, one end is placed below the outlet, the other end is connected with cleaning device through guide plate;And second cooling piece, buckle on the top of the belt conveyor, one end is close to the outlet, the other end is close to guide plate setting installation along the length direction of the belt conveyor.This utility model has the characteristics that Chinese chestnut seed coat can be carbonized quickly, so that Chinese chestnut seed coat and Chinese chestnut kernel can be separated easily.

Description

Technical Field

[0001] This utility model belongs to the field of chestnut seed coat processing technology, specifically a chestnut seed coat carbonization device. Background Technology

[0002] The seed coat of chestnuts is a thin, brown membrane that covers the kernel, often referred to as the "astringent skin" or "inner skin." In other words, the seed coat is a membrane that wraps around the kernel, located inside the pericarp. When removing the pericarp, the seed coat adheres tightly to the kernel and is difficult to remove.

[0003] Currently, the most common method for removing chestnut seed coats is mechanical peeling. This involves placing raw chestnuts with their seed coats in a drum equipped with cutting teeth. The drum's rotation causes the teeth to cut the seed coat, and the chestnuts are then removed and rinsed with a spray to separate the seed coat from the kernel. However, while the cutting teeth effectively separate the seed coat from the kernel, they also damage the kernel. Therefore, the chestnuts removed from the drum contain kernel fragments, resulting in waste and lowering the quality of the chestnut kernels. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies by providing a chestnut seed coat carbonization device.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A chestnut seed coat carbonization device includes a carbonization mechanism with a material inlet and a discharge port, connected to a nitrogen supply unit; a screw conveyor with a feed inlet and a discharge port, the feed inlet being connected to the discharge port; a first cooling unit installed on the screw conveyor to cool the chestnuts with seed coats conveyed within the screw conveyor; a belt conveyor with one end positioned below the discharge port and the other end connected to a cleaning device via a guide plate; and a second cooling unit covering the top of the belt conveyor, one end near the discharge port and the other end extending along the length of the belt conveyor near the guide plate.

[0007] Furthermore, the carbonization mechanism includes a carbonization box, a feeding hopper installed at the top, and a material collection guide with an inverted trapezoidal structure at the bottom. The feeding hopper is equipped with a feeding ramp. Multiple slowing-down components are installed at staggered intervals and at an angle along the height direction within the carbonization box. An adjusting drive is connected to an adjusting drive located outside the carbonization box, enabling adjustment of the tilt angle of the slowing-down component. A temperature sensor is located within the carbonization box. A heating chamber is provided on one or both sides of the carbonization box, and a heater is installed within the heating chamber to supply heat to the carbonization box.

[0008] Furthermore, the chestnut seed coat carbonization device of this utility model also includes a controller, a gas collection hood, and a third exhaust fan. The gas collection hood is installed on the top of the feed hopper. One end of the third exhaust fan is connected to the gas collection hood through an exhaust pipe, and the other end is connected to the gas supply pipe. The controller is electrically connected to the temperature sensor, the heater, the regulating drive, and the third exhaust fan.

[0009] Furthermore, the adjustment drive component includes a lead screw motor; a lead screw, one end of which is connected to the lead screw motor for transmission, and the other end of which is connected to a third bearing seat, the third bearing seat being mounted on a base plate; a slider, which is sleeved on the lead screw and threadedly connected to the lead screw; a swing rod, one end of which is connected to a decelerating member, and the other end of which is provided with a groove; a connecting rod, which passes through the groove and is connected to the slider; and a first spring, one end of which is connected to the swing rod and the other end of which is connected to a first support rod, wherein the first spring is stretched within its elastic limit.

[0010] Furthermore, the descent mitigation component includes a support shaft and an inclined guide plate, the inclined guide plate being connected to the support shaft.

[0011] Furthermore, the cleaning device includes a second support frame with two support plates installed parallel to each other at a distance on the top; an active roller brush with both ends rotatably connected to the corresponding support plates; vertical plates, each support plate having a vertical plate installed near the active roller brush, the vertical plates having U-shaped grooves, a driven roller brush installed between the two vertical plates, the driven roller brush having roller shafts at both ends, the roller shafts passing through the corresponding U-shaped grooves and connected to one end of a second spring, the other end of the second spring being connected to a second spring base rod, the second spring base rod being installed on the vertical plate and located below the U-shaped grooves; a cleaning drive motor, installed on the second support frame and connected to the active roller brush; and a discharge guide chute, inclinedly installed between the two support plates and extending to the bottom of the active roller brush, with the bottom surface of the discharge guide chute being a screen.

[0012] Furthermore, the chestnut seed coat carbonization device of this utility model also includes a driven shaft, a driven wheel, a drive wheel, and a transmission component. The driven wheel is driven and mounted on one end of the driven shaft, and the other end of the driven shaft is driven and connected to the active roller brush. The cleaning brush drive motor is provided with an output shaft. The drive wheel is driven and mounted on the output shaft. The driven wheel and the drive wheel are driven and connected by the transmission component.

[0013] Furthermore, the second cooling component includes a cooling chamber with at least one second adjustable nitrogen inlet at the top and a viewing window on the side; and a second exhaust fan installed at the top of the cooling chamber for extracting gas from the cooling chamber.

[0014] Furthermore, the first cooling component includes at least one first adjustable nitrogen inlet point, the first adjustable nitrogen inlet point including a first jet pipe, a first control valve and a first gas pipe, one end of the first control valve being connected to the first jet pipe and the other end being connected to the first gas pipe.

[0015] Furthermore, the chestnut seed coat carbonization device of this utility model also includes a first exhaust fan. The screw conveyor includes a guide trough and a top cover. The top cover is installed on the top of the guide trough. The first jet pipe passes through the top cover and communicates with the guide trough. The first exhaust fan passes through the top cover and communicates with the guide trough, and is used to extract gas in the guide trough.

[0016] Compared with the prior art, the beneficial effects of this utility model are:

[0017] This invention features a nitrogen-filled process during chestnut seed coat carbonization to prevent combustion and oxidation, thus protecting the chestnut's appearance. The carbonized seed coat continues to be cooled with nitrogen during conveying via screw conveyor and belt conveyor, making it more fragile. When chestnuts with seed coats pass through the cleaning device, the device breaks the seed coat upon contact, completely separating it from the chestnut kernel and achieving the goal of removing the seed coat. Attached Figure Description

[0018] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn to scale.

[0019] Figure 1 This is a schematic diagram of the structure of a chestnut seed coat carbonization device according to the present invention.

[0020] Figure 2 This is a schematic diagram of the carbonization box in this utility model;

[0021] Figure 3 This is a schematic diagram of the connection between the inclined guide plate and the adjustment drive component in this utility model;

[0022] Figure 4 This is a schematic diagram of the inclined guide plate in this utility model;

[0023] Figure 5 This is a schematic diagram of the screw conveyor in this utility model;

[0024] Figure 6 This is a schematic diagram of the belt conveyor in this utility model;

[0025] Figure 7 This is a schematic diagram of the cleaning device in this utility model;

[0026] The reference numerals and their corresponding component names in the figure are as follows:

[0027] 1-Feed hopper, 101-Feed inclined plate, 102-Reinforcing plate, 103-Feed inlet, 2-Slowing descent component, 201-Inclined guide plate, 202-Support shaft, 3-Temperature sensor, 4-Carbonization box, 5-Adjusting drive component, 51-Screw motor, 52-Motor mounting bracket, 53-Clamp, 54-Screw, 55-First anti-detachment plate, 56-First support rod, 57-First spring, 58-Third bearing seat, 59-Base plate, 510-Slider, 511-Swing rod, 5111-Slide groove, 512-Connecting rod, 513-Second anti-detachment plate, 514-First spring base rod, 6-Heating chamber, 7-Controller, 8-Collection guide component, 9-First support frame, 10-Heater, 11-Discharge port, 12-Receiving hopper, 13-Drive motor, 14-Bracket, 15-First bearing, 16 17-Helical blades, 18-Rotating shaft, 19-Feed inlet, 20-First control valve, 21-First air pipe, 22-First jet pipe, 23-First exhaust fan, 24-First air outlet, 25-First air guide pipe, 26-Top cover, 27-Second bearing, 28-Discharge port, 29-Material guide cylinder, 30-Belt conveyor, 301-Frame, 302-Baffle, 303-Conveyor belt, 31-Third nitrogen pipe, 32-Cooling chamber, 321-Viewing window, 33-Second air pipe, 34-Second control valve, 35-Second jet pipe, 36-Second air outlet, 37-Second exhaust fan, 38-Second air guide pipe, 39-Guide plate.

[0028] 40-Vertical rod, 41-Cleaning device, 411-Second support frame, 412-Cleaning drive motor, 4121-Output shaft, 413-Drive wheel, 414-Transmission component, 415-Driven shaft, 416-Driven wheel, 417-Support plate, 418-Second spring base rod, 419-Fourth anti-detachment plate, 4110-Second spring, 4111-Roller, 4112-Third anti-detachment plate, 4113-Vertical plate, 41131-U-shaped groove, 4114-Driven roller brush, 4115-Driven roller brush, 4116-Discharge guide groove, 41161-Screen;

[0029] 42-Third control valve, 43-Gas collection hood, 44-Exhaust pipe, 45-Third exhaust fan, 46-Gas delivery pipe. Detailed Implementation

[0030] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0031] like Figures 1 to 4 As shown, this disclosure discloses a chestnut seed coat carbonization device, including a carbonization mechanism, a screw conveyor, a first cooling component, a belt conveyor, and a second cooling component. The carbonization mechanism has a material inlet and a discharge port, and is connected to a nitrogen supply component; the screw conveyor has a feed inlet 19 and a discharge port 28, with the feed inlet 19 connected to the discharge port 11; the first cooling component is installed on the screw conveyor to cool the chestnuts with seed coats conveyed within the screw conveyor; one end of the belt conveyor is positioned below the discharge port 28, and the other end is connected to a cleaning device 41 via a guide plate 39. The second cooling component is fitted onto the top of the belt conveyor, with one end near the discharge port and the other end extending along the length of the belt conveyor near the guide plate 39.

[0032] like Figure 1 , 6 As shown, to stably support the guide plate 39, vertical rods 40 are added. Vertical rods 40 are installed on both sides of the guide plate 39, with one or two rods on each side. Preferably, in this example, two vertical rods are installed at intervals on each side of the guide plate, and the guide plate can be stably positioned between the belt conveyor and the cleaning device 41 by the support of four vertical rods.

[0033] like Figure 2 As shown, one structure of the nitrogen supply unit includes a third nitrogen pipe 31 and a third control valve 42, with the third control valve 42 installed on the third nitrogen pipe 31. In use, the third control valve 42 is opened, and the third nitrogen pipe supplies nitrogen to the carbonization mechanism.

[0034] It should be noted that before carbonizing the chestnut seed coat, the carbonization mechanism needs to be preheated while nitrogen is introduced to stabilize the temperature inside the carbonization mechanism to the required carbonization temperature.

[0035] The nitrogen supply source can be a nitrogen storage tank. The third nitrogen pipe 31 is connected to the nitrogen storage tank, and the nitrogen storage tank supplies nitrogen to the third nitrogen pipe.

[0036] The nitrogen supply unit can supply nitrogen gas to the carbonization mechanism, which can greatly reduce the oxygen content in the carbonization mechanism and prevent the chestnut seed coat from being burned during the carbonization process.

[0037] like Figure 5As shown, one structure of the screw conveyor includes a receiving hopper 12, a drive motor 13, a support 14, a first bearing 15, a guide trough 16, a screw blade 17, a rotating shaft 18, a top cover 26, a second bearing 27, and a material guide cylinder 29.

[0038] A rotating shaft 18 is placed in the guide trough 16 and extends along the length of the guide trough. One end is rotatably connected to one end of the guide trough via a first bearing 15, and the other end is rotatably connected to the other end of the guide trough via a second bearing 27. A spiral blade 17 is mounted on the rotating shaft and extends spirally along the axial direction of the rotating shaft. A drive motor 13 has a motor output shaft 131 and is mounted on a bracket 14. The motor output shaft 131 is drively connected to the rotating shaft 18. A top cover 26 is fitted over the top of the guide trough 16, forming a closed space with the guide trough 16. A feed inlet 19 is provided on the top cover 26, and a receiving hopper 12 is installed at the feed inlet 19. A discharge outlet 28 is provided at the bottom of the guide trough 16, away from the feed inlet 19, and a material distribution guide cylinder 29 is installed at the discharge outlet 28.

[0039] The fabric guide cylinder 29 can be made of silicon-titanium fireproof cloth. The temperature resistance range of silicon-titanium fireproof cloth is -70℃ to 900℃ (long-term), and it can withstand 1450℃ for 30 minutes for short periods. Features: good flexibility, suitable for welding protection and pipe insulation.

[0040] The fabric guide cylinder 29 facilitates the conveying of chestnuts discharged from the outlet 28 onto the belt conveyor 30.

[0041] In order to better receive the chestnuts discharged from the discharge port 11, a receiving hopper 12 is added. The receiving hopper 12 is installed on the top of the feed port 19 and has an inverted trapezoidal structure. The top of the receiving hopper fits over the bottom of the discharge port 11, which can facilitate the receiving of chestnuts falling from the discharge port.

[0042] To facilitate the introduction of nitrogen gas for cooling into the closed space formed by the top cover 26 and the guide trough 16, such as Figure 1 , 5 As shown, the top cover 26 is provided with a first cooling component. The first cooling component introduces nitrogen gas into the closed space formed by the top cover 26 and the guide trough 16, and uses nitrogen gas to cool the chestnut pushed by the spiral blades 17 in the guide trough.

[0043] like Figure 1 , 5 As shown, the first cooling component includes at least one first adjustable nitrogen inlet point, which includes a first jet pipe 22, a first control valve 20, a first gas pipe 21, and a first exhaust fan 23. One end of the first control valve 20 is connected to the first jet pipe 22, and the other end is connected to the first gas pipe 21. The first jet pipe 22 passes through the top cover 26 and communicates with the guide trough 16. The first exhaust fan 23 communicates with the guide trough 16 through the first air outlet 24 and is used to extract gas from the guide trough 16.

[0044] The first control valve 20 is used to control the amount of gas introduced into the feed trough 16 through the first gas pipe 21, thereby regulating the amount of nitrogen entering the feed trough.

[0045] In order to allow the gas extracted by the first exhaust fan to be discharged or recycled, a first air guide pipe 25 is added, one end of which is connected to the air outlet of the first exhaust fan.

[0046] Understandably, the number of adjustable nitrogen inlet points can be 1, 2, 3, 4, 5, 6, 7, 8, 9, or 10. For example, in this embodiment, the number of adjustable nitrogen inlet points can be 3. The 3 adjustable nitrogen inlet points are spaced apart on the top cover, and nitrogen is simultaneously introduced into the feed trough, which facilitates sufficient cooling of the chestnuts transported in the feed trough.

[0047] like Figure 1 , 6 As shown, the belt conveyor 30 is a commonly used belt conveyor, typically including a frame 301, a conveyor belt 303, a main roller, a driven roller, and a drive motor. The main roller is mounted on one end of the frame 301, and the driven roller is mounted on the other end. The main roller and the driven roller are connected by a conveyor belt, and the main roller is connected to the drive motor. In operation, the drive motor drives the main roller to rotate, which in turn drives the conveyor belt 303 to rotate, and the conveyor belt 303 drives the driven roller to rotate.

[0048] like Figure 1 , 6 As shown, the second cooling component is mounted on the frame 301 across the top of the conveyor belt 303. Baffles 302 are also installed on both sides of the frame 301. The baffles 302 can prevent the chestnuts discharged from the discharge port 28 from rolling away from the conveyor belt.

[0049] like Figure 1 , 6 As shown, one structure of the second cooling component is illustrated. The second cooling component includes a cooling chamber 32 and a second exhaust fan 37. The top of the cooling chamber 32 is provided with at least one second adjustable nitrogen inlet point, and a viewing window 321 is provided on the side. The second exhaust fan 37 is installed on the top of the cooling chamber 32 and is used to extract gas from the cooling chamber 32.

[0050] The cooling chamber 32 is fitted over the top of the conveyor belt 303, through which the conveyor belt passes. The conveyor belt carries the chestnut into the cooling chamber, where nitrogen gas is introduced to further cool the chestnut.

[0051] The second adjustable nitrogen inlet includes a second gas pipe 33, a second control valve 34, and a second jet pipe 35. The second jet pipe 35 is located at the top of the cooling chamber and communicates with the cooling chamber. One end of the second control valve 34 is connected to the second jet pipe 35, and the other end is connected to the second gas pipe 33.

[0052] In use, nitrogen is supplied through the second air pipe 33, and the second control valve 34 is opened. The nitrogen in the second air pipe 33 is then injected into the cooling chamber through the second control valve and the second jet pipe 35.

[0053] Understandably, the number of adjustable nitrogen inlet points can be 1, 2, 3, 4, 5, 6, 7, 8, 9, or 10. For example, in this embodiment, the number of adjustable nitrogen inlet points can be 2. The two adjustable nitrogen inlet points supply gas to the cooling chamber simultaneously, which can both cool the chestnuts entering the cooling chamber and significantly reduce the oxygen content in the cooling chamber, further protecting the chestnuts from oxidation.

[0054] Understandably, nitrogen is introduced into the feed chute and belt conveyor for cooling when transporting chestnuts. This effectively reduces the oxygen content around the feed chute and belt conveyor and prevents the chestnuts from being oxidized during transport.

[0055] It should be noted that the first nitrogen pipe and the second nitrogen pipe can be connected to a nitrogen storage tank, and the nitrogen storage tank supplies nitrogen to the first nitrogen pipe and the second nitrogen pipe.

[0056] In some embodiments, a structure of the carbonization mechanism is provided. For example... Figure 1-4 As shown, the carbonization mechanism includes a carbonization box 4, an adjustment drive component 5, a temperature sensor 3, a heating chamber 6, a controller 7, a gas collection hood 43, and a third exhaust fan 45. A feed hopper 1 is installed at the top of the carbonization box 4, and a material collection guide component 8 with an inverted trapezoidal structure is provided at the bottom. The feed hopper 1 is equipped with a feed ramp 101; multiple deceleration components 2 are installed at staggered intervals and at an angle along the height direction in the carbonization box 4; each deceleration component 2 is connected to an adjustment drive component 5 located outside the carbonization box 4, and the adjustment drive component 5 can adjust the tilt angle of the deceleration component 2; the temperature sensor 3 is located in the carbonization box 4; a heating chamber 6 is provided on one or both sides of the carbonization box 4, and a heater 10 is provided in the heating chamber 6, which supplies heat to the carbonization box 4. The gas collection hood 43 is installed on the top of the feed hopper 1. One end of the third exhaust fan 45 is connected to the gas collection hood 43 through the exhaust pipe 44, and the other end is connected to the air supply pipe 46. The controller 7 is electrically connected to the temperature sensor 3, the heater 10, the regulating drive 5, and the third exhaust fan 45.

[0057] like Figure 3 , 4As shown, the deceleration component 2 includes a support shaft 203 and an inclined guide plate 201, with the inclined guide plate 201 connected to the support shaft 203. Both ends of the support shaft 203 are rotatably connected to the carbonization box 4.

[0058] Understandably, during use, the support shaft can be connected to the carbonization box via a bushing. The support shaft can rotate smoothly relative to the carbonization box via the bushing, thus facilitating the adjustment of the tilt angle of the inclined guide plate by rotating the support shaft.

[0059] The support shaft 203 and the inclined guide plate 201 can be made of stainless steel 310S. Stainless steel 310S has high temperature resistance.

[0060] The carbonization chamber can be equipped with heating chambers on one or both sides depending on the chamber's specifications. For example, if a heating chamber is installed on one side of the chamber to provide sufficient heat, then only one heating chamber can be installed on the chamber. To ensure more even heating, heating chambers can be installed on both corresponding sides of the chamber, with both chambers supplying heat to the chamber simultaneously.

[0061] The heater includes heating wires that supply heat to the carbonization box, raising its temperature to 1000℃~1100℃. For example, when the temperature inside the carbonization box is 1000℃, as chestnut kernels with their seed coats fall from the top of the box to the collecting guide 8 at the bottom, the falling time can be adjusted by the slowing-down component 2, which can be set to 15~25 seconds, during which the seed coats are carbonized.

[0062] The heating wire can be either iron-chromium-aluminum or nickel-chromium alloy. The operating temperature of iron-chromium-aluminum heating wire is 1000–1400℃. The operating temperature of nickel-chromium alloy heating wire is 1000–1200℃.

[0063] The feed ramp 101 on the feed hopper 1 can flatten and feed raw chestnuts with their seed coats into the feed hopper. The extending direction of the feed ramp 101 intersects with the inclined guide plate 201 of the first deceleration component 2 on the carbonization box. It can be understood that the raw chestnuts with their seed coats enter the feed hopper via the feed ramp and fall from the feed hopper onto the inclined guide plate 201 of the deceleration component 2. The inclined guide plate 201 blocks the falling raw chestnuts while changing their rolling direction. Therefore, the raw chestnuts are blocked and redirected by multiple deceleration components 2 within the carbonization box, which slows down the falling time and allows the raw chestnuts to remain in the carbonization box for the set time.

[0064] During the carbonization process, the third control valve 42 is opened, and nitrogen gas is introduced into the collection guide 8 at the bottom of the carbonization chamber 4 through the third nitrogen pipe 31. The nitrogen gas flows through the collection guide 8 to the gas collection hood 43 at the top of the chamber. The third exhaust fan 45 extracts the gas from the gas collection hood 43 through the exhaust pipe 44 and sends it into the gas delivery pipe 46. The gas delivery pipe 46 can discharge the extracted gas or connect to the end of the third nitrogen pipe 31 near the collection guide 8. The connection between the gas delivery pipe 46 and the third nitrogen pipe allows for the recycling of the extracted nitrogen gas.

[0065] The controller 7 can operate the heater 10, adjust the drive unit 5, and the third exhaust fan 45. The temperature sensor 3 is used to monitor the air temperature inside the carbonization chamber in real time and transmit the monitored temperature data to the controller in real time. Understandably, the controller can usually be equipped with a touch screen, and the air temperature data inside the carbonization chamber can be displayed on the touch screen by the controller.

[0066] The adjusting drive component 5 is connected to the decelerating component 2 via a transmission. The adjusting drive component 5 can be used to drive the support shaft 202 on the decelerating component 2 to rotate. As the support shaft 202 rotates, it causes the inclined guide plate to swing, thereby changing the angle between the inclined guide plate and the horizontal plane. It can be understood that the larger the angle between the inclined guide plate and the horizontal plane, the steeper the plate surface, and the faster the chestnut rolls down; conversely, the smaller the angle between the inclined guide plate and the horizontal plane, the smaller the slope of the plate surface, and the slower the chestnut rolls down.

[0067] It should be noted that the carbonization chamber and the outer side of the heating element are insulated using existing technology. This prevents burns when touching the carbonization chamber or the outer side of the heating element.

[0068] The number of slowing-down components 2 can be 2, 3, 4, 5, 6, 7, 8, 9, or 10. The required number of slowing-down components can be selected according to the specifications of the carbonization box. After the raw chestnuts with their seed coats enter the carbonization box from the feed hopper, the chestnuts roll down sequentially to the collecting guide. The chestnuts collide with multiple slowing-down components and the collecting guide as they fall, which facilitates the separation of the seed coat from the chestnut kernel after carbonization, meaning the seed coat no longer sticks to the chestnut kernel.

[0069] like Figure 3 , 4As shown, the adjustment drive component 5 includes a lead screw motor 51, a lead screw 54, a slider 510, a swing rod 511, a connecting rod 512, and a first spring 57. One end of the lead screw 54 is connected to the lead screw motor 51 for transmission, and the other end is connected to a third bearing seat 58, which is mounted on the base plate 59. The slider 510 is sleeved on the lead screw 54, and the slider 510 is threadedly connected to the lead screw 54. One end of the swing rod 511 is connected to the decelerating member 2, and the other end is provided with a groove 5111. The connecting rod 512 passes through the groove 5111 and is connected to the slider 510. One end of the first spring 57 is connected to the swing rod 511, and the other end is connected to the first support rod 56, wherein the first spring 57 is stretched within its elastic limit.

[0070] The swing arm 511 can be made of stainless steel 310S, which gives the swing arm high temperature resistance.

[0071] The connecting rod 512 passes through the slide groove 5111, one end of which is connected to the slider 510, and the other end is connected to the second anti-detachment plate 513. The second anti-detachment plate can prevent the connecting rod from detaching from the slide groove.

[0072] like Figure 3 , 4 As shown, the swing rod 511 is provided with a first spring base rod 514, which is used to connect with the first spring 57.

[0073] like Figure 3 , 4 As shown, the first support rod 56 is connected to the carbonization box 4 and is used to support the first spring being stretched within its elastic limit. A first anti-detachment plate 55 is provided on the end of the first support rod 56 away from the carbonization box. The first anti-detachment plate 55 can prevent the first spring 57 from detaching from the first support rod 56.

[0074] like Figure 3 , 4 As shown, the lead screw motor 51 is mounted on the motor mounting bracket 52 via the clamp 53, and the motor mounting bracket 52 is mounted on the carbonization box 4.

[0075] like Figure 3 , 4 As shown, the base plate 59 is mounted on the carbonization box 4 to support the third bearing seat 58. The third bearing seat 58 is used to support the stable rotation of the lead screw.

[0076] It should be noted that the length of the connecting rod 512 is greater than the length of the slide groove 5111. When the lead screw rotates in the opposite direction, the connecting rod will not disengage from the slide groove as it swings.

[0077] Work style:

[0078] The lead screw motor 51 drives the lead screw 54 to rotate. The slider 510 is restricted from rotating by the swing rod 511 and the connecting rod 512. The slider 510 can move along the length of the lead screw 54. When the slider 510 moves, it drives the connecting rod 512 to move. The connecting rod 512 drives the swing rod 511 to swing. While the swing rod 511 swings with the help of the support shaft 202, it drives the support shaft 202 to rotate. The support shaft 202 drives the inclined guide plate 201 to swing. After the inclined guide plate 201 swings, it changes the inclination angle with the horizontal plane, thereby adjusting the slope of the plate surface. This can adjust the speed at which the chestnut rolls down when it falls onto the inclined guide plate, and thus adjust the rolling time. When the swing rod 511 swings, it also causes the first spring 57 to undergo elastic deformation. The first spring 57 is already stretched within its elastic limit in its initial state. Through the pull of the first spring 57, the swing rod 511 and the connecting rod 512 can maintain contact and connection, which facilitates the connecting rod 512 to drive the swing rod to swing.

[0079] Understandably, the adjustment drive 5 can easily adjust the tilt angle between the tilt guide plate 201 on the decelerating drop member 2 and the horizontal plane.

[0080] In some embodiments, a structure for the cleaning device is provided, such as... Figure 7 As shown, the cleaning device 41 includes a second support frame 411, an active roller brush 4115, a cleaning drive motor 412, and a discharge guide chute 4116. Two support plates 417 are installed parallel to each other at a distance on the top of the second support frame 411. The two ends of the active roller brush 4115 are rotatably connected to the corresponding support plates 417. A vertical plate 4113 is installed on one end of each support plate 417 near the active roller brush 4115. The vertical plate 4113 has a U-shaped groove 41131. A driven roller brush 4114 is installed between the two vertical plates 4113. Roller shafts 4111 are provided at both ends of the driven roller brush 4114. The roller shafts 4111 pass through the corresponding U-shaped grooves 41131 and are connected to the second spring 41. One end of 10 is connected to the second spring 4110, and the other end of the second spring base rod 418 is connected to the second spring base rod 418. The second spring base rod 418 is installed on the vertical plate 4113 and located below the U-shaped groove 41131. The cleaning brush drive motor 412 is installed on the second support frame 411 and is connected to the active roller brush 4115. The unloading guide trough 4116 is installed at an incline between the two support plates 417 and extends to the bottom of the active roller brush 4115. The bottom surface of the unloading guide trough 4116 is a screen 41161.

[0081] Both the active roller brush 4115 and the driven roller brush 4114 are equipped with brushes on their circumferential surfaces. The active roller brush 4115 and the driven roller brush 4114 interact with each other to brush off the carbonized seed coat on the chestnut, thereby achieving the purpose of removing the chestnut seed coat.

[0082] like Figure 6As shown, the guide plate 39 extends to the point where the surfaces of the active roller brush 4115 and the driven roller brush 4114 are tangent. The chestnut with carbonized seed coat is guided by the guide plate to the point where the surfaces of the active roller brush 4115 and the driven roller brush 4114 are tangent. The active roller brush 4115 rotates to bring the chestnut between the active roller brush 4115 and the driven roller brush 4114. The driven roller brush 4114 is provided with second springs 4110 at both ends. When the roller shaft 4111 of the driven roller brush 4114 moves upward along the U-shaped groove 41131, it drives the second springs 4110 to undergo elastic deformation. The second springs 4110 pull the driven roller brush 4114 downward, forming a clamping and brushing action between the active roller brush 4115 and the driven roller brush 4114 to clean the carbonized seed coat on the chestnut.

[0083] like Figure 7 As shown, the unloading guide chute 4116 is placed at an inclination between two support plates 417, and the bottom surface is a screen 41161, which can be used to screen chestnuts falling between the active roller brush 4115 and the driven roller brush 4114. The chestnuts falling on the screen vibrate, which can shake off the seed coat remaining on the chestnuts and then screen them through the screen.

[0084] like Figure 7 As shown, a fourth anti-detachment plate 419 is also installed on the second spring base rod 418. The fourth anti-detachment plate 419 can prevent the second spring from detaching from the second spring base rod.

[0085] like Figure 7 As shown, a third anti-detachment plate 4112 is also provided on the roller 4111. The third anti-detachment plate can prevent the second spring 4110 from detaching from the roller 4111.

[0086] Understandably, the second spring is connected to the roller shaft via a ring, which prevents the second spring from rotating when the roller shaft rotates.

[0087] like Figure 7 As shown, a transmission structure of the cleaning brush drive motor 412 and the active roller brush 4115 includes a driven shaft 415, a driven wheel 416, a drive wheel 413, and a transmission component 414. The driven wheel 416 is driven and mounted on one end of the driven shaft 415, and the other end of the driven shaft 415 is driven and connected to the active roller brush 4115. The cleaning brush drive motor 412 is provided with an output shaft 4121. The drive wheel 413 is driven and mounted on the output shaft 4121. The driven wheel 416 and the drive wheel 413 are driven and connected through the transmission component 414.

[0088] One type of transmission component can be a transmission belt, but it is not limited to this and can also be a transmission chain.

[0089] Work style:

[0090] The cleaning brush drive motor 412 drives the output shaft 4121 to rotate, the output shaft 4121 drives the drive wheel 413 to rotate, the drive wheel 413 drives the transmission component 414 to rotate, the transmission component 414 drives the driven wheel 416 to rotate, the driven wheel 416 drives the driven shaft 415 to rotate, and the driven shaft 415 drives the active roller brush 4115 to rotate.

[0091] When the active roller brush 4115 rotates, it drives the driven roller brush 4114 to rotate. The chestnut with its seed coat is drawn into the space between the active roller brush 4115 and the driven roller brush 4114. The driven roller brush 4114 is equipped with second springs at both ends. When the chestnut enters the space between the driven roller brushes 4114, the driven roller brush is pushed upward by the chestnut, and the second springs at both ends are stretched upward to produce elastic deformation, pulling the driven roller brush 4114 downward. This causes the active roller brush 4115 and the driven roller brush 4114 to clamp the chestnut, thereby effectively destroying the carbonized seed coat on the chestnut. The active roller brush 4115 and the driven roller brush 4114 achieve the purpose of effectively removing the chestnut seed coat.

[0092] It should be noted that the cleaning device needs to be cleaned after a period of use. For example, the active roller brush 4115 and the driven roller brush 4114 need to be cleaned to remove the chestnut seed coat adhering to them.

[0093] According to the above embodiments, the working principle of this utility model is as follows:

[0094] Preheating: The controller starts the heater 10, which supplies heat to the carbonization chamber 4. The temperature sensor 3 monitors the temperature inside the carbonization chamber 4 in real time. The third control valve 42 is opened, and nitrogen gas is injected into the carbonization chamber 4 through the third gas pipe 31. The controller adjusts the heater 10 to increase the heating power, so that the temperature inside the carbonization chamber 4 is kept constant at 1000℃. The third exhaust fan 45 extracts air from the gas collection hood 43 in real time.

[0095] Carbonization process: Raw chestnuts with their seed coats are poured into the feed inlet 103 of the feed hopper 1. The chestnuts are spread out by the feed ramp 101 and fall into the carbonization box 4. Upon falling, they collide with the slowing-down components 2 located at the top of the carbonization box. The slowing-down components 2 push the chestnuts to the next adjacent slowing-down component 2. The chestnuts pass through multiple slowing-down components 2 sequentially from the top of the carbonization box. These components prevent the chestnuts from falling too quickly within the carbonization box, allowing them sufficient time to remain inside. For example, the time required for a chestnut to fall from the top of the carbonization box to the discharge port 11 can be 25 seconds. This falling time can be adjusted by regulating the tilt angle of the slowing-down components using the drive mechanism. During the 25 seconds in the carbonization box, the seed coat of the raw chestnuts with their seed coats is completely carbonized. The multiple collisions with the slowing-down components during the fall separate the seed coat from the kernel, preventing the seed coat from adhering to the kernel.

[0096] First cooling: The chestnuts with carbonized seed coats are unloaded into the screw conveyor in the carbonization box 4. The rotating shaft 18 on the screw conveyor drives the screw blades to rotate, pushing the chestnuts that fall into it. The first cooling component sprays nitrogen into the guide trough 16 on the screw conveyor, which cools the chestnuts guided in the guide trough. The nitrogen injection greatly reduces the oxygen content in the guide trough, prevents the kernels from oxidizing, and cools the chestnuts. The carbonized seed coat becomes brittle after cooling.

[0097] Secondary cooling: The screw conveyor discharges the chestnuts through the outlet to the belt conveyor 30. The belt conveyor 30 is equipped with a cooling chamber 32, and the cooling chamber 32 is equipped with a second air pipe 33, which can supply nitrogen to the cooling chamber. When the belt conveyor 30 transports the chestnuts through the cooling chamber, the cooling chamber cools the chestnuts again, further improving the brittleness of the carbonized seed coat.

[0098] Seed coat cleaning: The belt conveyor 30 transports chestnuts to the cleaning device 41. The active roller brush 4115 and the driven roller brush 4114 on the cleaning device 41 clamp the chestnuts. The driven roller brush is equipped with a second spring at both ends, which can increase the clamping force between the active roller brush 4115 and the driven roller brush 4114. When the chestnuts enter the active roller brush 4115 and the driven roller brush 4114 for squeezing and clamping, the carbonized seed coat is clamped and broken, separating from the chestnut kernels. After being clamped and pushed by the active roller brush 4115 and the driven roller brush 4114, the kernels fall into the screen 41161 of the discharge guide chute 4116. The kernels collide and vibrate with the screen, which can remove the residual seed coats on the kernels, resulting in clean kernels and achieving the purpose of removing chestnut seed coats.

[0099] The above-described embodiments are preferred embodiments of the present utility model and are only used to facilitate the illustration of the present utility model. They are not intended to limit the present utility model in any way. Any person skilled in the art who makes partial modifications or alterations to the technical content disclosed in the present utility model without departing from the scope of the technical features of the present utility model shall still fall within the scope of the technical features of the present utility model.

Claims

1. A chestnut seed coat carbonization device, characterized in that: include The carbonization mechanism is equipped with a material inlet and a discharge outlet, and is connected to a nitrogen supply unit. The screw conveyor is provided with a feed inlet and a discharge outlet, wherein the feed inlet is connected to the discharge outlet; The first cooling component is installed on the screw conveyor to cool the chestnuts with seed coats conveyed inside the screw conveyor. The belt conveyor is positioned with one end below the discharge port and the other end connected to the cleaning device (41) via a guide plate (39). as well as The second cooling component is attached to the top of the belt conveyor, with one end close to the discharge port and the other end extending along the length of the belt conveyor and close to the guide plate (39).

2. The chestnut seed coat carbonization device according to claim 1, characterized in that: The carbonization mechanism includes The carbonization box (4) has a feeding hopper (1) installed on the top and a material collection guide (8) with an inverted trapezoidal structure at the bottom. The feeding hopper (1) is provided with a feeding inclined plate (101). The carbonization box (4) is equipped with multiple slowing-down components (2) installed at intervals and at an angle along the height direction. Adjustment drive (5), each deceleration drop member (2) is connected to an adjustment drive (5) placed outside the carbonization box (4), which can adjust the tilt angle of the deceleration drop member (2); Temperature sensor (3) is installed in carbonization box (4); and Heating chamber (6): The carbonization box (4) is provided with heating chamber (6) on one or both sides, and heater (10) is provided in the heating chamber (6) to supply heat to the carbonization box (4).

3. The chestnut seed coat carbonization device according to claim 2, characterized in that: It also includes a controller (7), a gas collection hood (43) and a third exhaust fan (45). The gas collection hood (43) is installed on the top of the feed hopper (1). One end of the third exhaust fan (45) is connected to the gas collection hood (43) through the exhaust pipe (44), and the other end is connected to the gas delivery pipe (46). The controller (7) is electrically connected to the temperature sensor (3), the heater (10), the regulating drive (5), and the third exhaust fan (45).

4. The chestnut seed coat carbonization device according to claim 2, characterized in that: The adjustment drive (5) includes Lead screw motor (51); The lead screw (54) is connected to the lead screw motor (51) at one end and to the third bearing seat (58) at the other end, which is mounted on the base plate (59). The slider (510) is sleeved on the lead screw (54) and threadedly connected to the lead screw (54); The swing arm (511) is connected at one end to the deceleration member (2) and at the other end is provided with a groove (5111). The connecting rod (512) passes through a groove (5111) and connects to the slider (510); and A first spring (57) is connected at one end to a swing rod (511) and at the other end to a first support rod (56), wherein the first spring (57) is stretched within its elastic limit.

5. The chestnut seed coat carbonization device according to claim 2, characterized in that: The deceleration component (2) includes a support shaft (203) and an inclined guide plate (201), the inclined guide plate (201) being connected to the support shaft (203).

6. The chestnut seed coat carbonization device according to claim 1, characterized in that: The cleaning device (41) includes The second support frame (411) has two support plates (417) installed parallel to each other at a distance on its top. The active roller brush (4115) is rotatably connected at both ends to the corresponding support plates (417); Vertical plate (4113), each support plate (417) is equipped with a vertical plate (4113) near one end of the active roller brush (4115), the vertical plate (4113) is provided with a U-shaped groove (41131), a driven roller brush (4114) is installed between two vertical plates (4113), the driven roller brush (4114) is provided with roller shafts (4111) at both ends, the roller shafts (4111) pass through the corresponding U-shaped grooves (41131) and are connected to one end of the second spring (4110), the other end of the second spring (4110) is connected to the second spring base rod (418), the second spring base rod (418) is installed on the vertical plate (4113) and located below the U-shaped grooves (41131); A cleaning brush drive motor (412) is mounted on a second support frame (411) and is connected to the active roller brush (4115) via transmission; and The unloading guide chute (4116) is installed at an angle between two support plates (417) and extends to the bottom of the active roller brush (4115), and the bottom surface of the unloading guide chute (4116) is a screen (41161).

7. The chestnut seed coat carbonization device according to claim 6, characterized in that: It also includes a driven shaft (415), a driven wheel (416), a drive wheel (413) and a transmission component (414). The driven wheel (416) is driven and mounted on one end of the driven shaft (415), and the other end of the driven shaft (415) is driven and connected to the drive roller brush (4115). The cleaning drive motor (412) is provided with an output shaft (4121). The drive wheel (413) is mounted on the output shaft (4121). The driven wheel (416) and the driving wheel (413) are connected by a transmission component (414).

8. The chestnut seed coat carbonization device according to claim 1, characterized in that: The second cooling element includes Cooling chamber (32), with at least one second adjustable nitrogen inlet at the top and a viewing window (321) on the side; and The second exhaust fan (37) is installed on the top of the cooling chamber (32) to extract gas from the cooling chamber (32).

9. The chestnut seed coat carbonization device according to claim 1, characterized in that: The first cooling component includes at least one first nitrogen adjustable inlet point, which includes a first jet pipe (22), a first control valve (20) and a first gas pipe (21). One end of the first control valve (20) is connected to the first jet pipe (22) and the other end is connected to the first gas pipe (21).

10. The chestnut seed coat carbonization device according to claim 9, characterized in that: It also includes a first exhaust fan (23). The screw conveyor includes a guide trough (16) and a top cover (26). The top cover (26) is installed on the top of the guide trough (16). The first jet pipe (22) passes through the top cover (26) and communicates with the guide trough (16). The first exhaust fan (23) passes through the top cover (26) and communicates with the guide trough (16) to extract gas in the guide trough (16).

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