1788 results about "Coffee bean" patented technology

The invention relates to the technical field of coffee machines. The vacuum coffee machine comprises a container assembly, a sealing structure, a processing structure and a carrier assembly provided with a water source connector. An electric control device, a water pump and a vacuum pump are arranged on the carrier assembly; the treatment structure comprises an integrated container, a blade assembly and a rotary power device; the integrated container is fixed in the carrier assembly and provided with a heating device, a temperature sensor, a rotating shaft hole, a water inlet, an air exhaust hole and a bottom outlet, and the bottom outlet is provided with an outlet valve. The coffee beans are ground, heated and extracted in the only sealed space, and the opportunity that coffee powder is transferred among different units and makes contact with oxygen in air is avoided or reduced, so that the oxidation effect can be minimized, and storage of volatile grease, antioxidants and enzymes in the coffee powder can be maximized.

Various illustrative systems, devices, and methods for espresso machines are provided. In general, an espresso machine is configured to brew and dispense espresso. In an exemplary implementation, the espresso machine includes a grinder configured to grind coffee beans. The grinder is configured to be adjustable to allow for adjustment of coffee bean grind size, which may help that ensure that a particular beverage brewed and dispensed by the espresso machine is prepared using an optimal grind size. The espresso machine is configured to prevent jamming of the grinder automatically in response to grind size adjustment.

The present invention relates to a drip coffee machine. The drip coffee machine according to an embodiment of the present invention comprises: a case; a hopper for accommodating coffee beans; and a grinder for receiving and grinding the coffee beans, wherein the grinder is coupled to the case in a detachable manner, and the grinder includes: a grinder body including a rotating burr; and a grinder driving part, which is connected to the grinder body and provides rotating force to the burr.

Various illustrative systems, devices, and methods for beverage machines (e.g., drip coffee machines, espresso machines, etc.) are provided. In an exemplary implementation, an espresso machine is configured to brew and dispense espresso. In an exemplary implementation, the espresso machine is configured to determine a recommended coffee bean grind size for a beverage, e.g., an espresso or a sprover-style drink, selected by a user and to provide the recommended coffee bean grind size to the user.

A full-automatic coffee machine is provided with a machine table, a coffee bean grinding machine used for grinding coffee beans into powder and a semi-automatic coffee machine used for extracting coffee powder are arranged on the table top of the machine table, and the full-automatic coffee machine further comprises a powder cup used for containing the coffee powder ground by the coffee bean grinding machine; the powder distributing and pressing device is provided with a powder distributing assembly used for distributing the coffee powder in the powder cup and a pressing assembly used for pressing the coffee powder after powder distribution; the conveying device is used for clamping the powder cup and transferring the powder cup among the coffee bean grinding machine, the powder distributing and pressing device and the semi-automatic coffee machine; the residue removing device comprises a residue removing assembly used for removing coffee powder residues and a cleaning assembly used for sweeping residues in the powder cup. In the whole link, the participation of coffee teachers is reduced, the labor intensity of the coffee teachers is reduced, meanwhile, the espresso making efficiency is improved, and the espresso making method can adapt to a self-service business mode and meet the requirements of consumers with fast life and working rhythm.

The coffee extraction device comprises a main machine and a brewing mechanism connected to the main machine, a grinding mechanism is arranged in the main machine, and coffee beans entering a grinding cavity are ground into powder through a grinding cutter; the powder pressing mechanism is located above the brewing mechanism and reciprocates along the Z axis under the action of a first driving component; a water supply mechanism; the powder pressing mechanism further comprises a powder pressing device, and the powder pressing device and the brewing mechanism are combined to form a powder pressing channel capable of containing a powder pressing assembly. The powder pressing assembly is movably arranged in the powder pressing device and reciprocates along the powder pressing channel; the powder pressing assembly has a powder pressing stroke and a reset stroke in opposite directions in the powder pressing channel; a sensing device is arranged on the side portion of the powder pressing channel, electrically connected with a circuit system in the main machine and used for sensing the position of the powder pressing assembly and activating when sensing that the powder pressing assembly is in the reset stroke so as to switch on the circuit system in the main machine and supply water to the brewing mechanism.

An apparatus for roasting coffee beans includes: a vessel to contain coffee beans, a heating device to heat coffee beans contained in the vessel, and a control system operable to control the heating device and configured to apply a roasting recipe. For a customised quantity m of coffee beans of type Ny introduced inside the vessel, the control system is configured to obtain at least the quantity m of coffee beans introduced inside the vessel and the type Ny of coffee beans introduced inside the vessel, and based on the obtained type Ny, the control system is configured to get access at least to a roasting recipe Ry. The recipe is adapted to the roasting of one pre-determined quantity M of beans of type Ni, and to the pre-determined quantity M, and based on the accessible roasting recipe Ry and on the obtained quantity m of coffee beans introduced inside the vessel, the control system is configured to determine the roasting recipe to be applied to the quantity m of coffee beans of type Ny introduced inside the vessel.

The invention discloses spiral material conveying equipment for green coffee bean baking, and relates to the technical field of material conveying, the spiral material conveying equipment comprises a material conveyor, a feeding groove body is arranged above one side of the material conveyor, a discharging groove body is arranged below the end, away from the feeding groove body, of the material conveyor, and a conveying threaded rod is arranged in the material conveyor; a conveying amount adjusting mechanism is arranged at the bottom in the feeding groove body, and a discharging angle control mechanism is arranged below the conveying amount adjusting mechanism. Through the arrangement of the conveying amount adjusting mechanism, under the telescopic action of the deflection telescopic rod, positive and negative rotation of the adjusting plate is controlled, and then the size of the discharging hole is changed, so that the material conveying amount is adjusted, the size of the discharging hole is adjusted in real time according to baking process parameters, and the flow of green coffee beans entering the material conveyor is dynamically matched with the baking requirement; furthermore, the conveying amount is flexibly adjusted according to the specific characteristics of the green coffee beans, so that the equipment can adapt to various types of green coffee beans, the universality of the equipment is improved, and the application range of the equipment is widened.

The invention discloses an intelligent detection system for impurities and defects of raw coffee based on deep learning. The intelligent detection system comprises a visual detection module, a smell detection module, an optical detection module, a data management module, a data output system and a display device, the visual inspection is used for observing the surface of the raw coffee; the smell detection is used for detecting the taste of the raw coffee; and optical detection, which is used for analyzing and measuring the material composition and structure of the raw coffee and detecting whether foreign matters are contained in the coffee beans. According to the intelligent raw coffee impurity and defect detection system based on deep learning, the image processing module is arranged, images can be detected in all directions, the images are segmented through an image separation algorithm, the processing efficiency can be improved, meanwhile, the data management module can store and classify data, an independent database can be established, and the detection accuracy is improved. The coffee beans can be detected more accurately through internal data, and the detection effect of the device can be improved.

Batch type coffee bean and nut drying equipment comprises a drying room, a heat pump heat supply device and an air inlet channel, a first drying screen and a second drying screen are arranged in the drying room and divide the drying room into a heat supply chamber, a first drying chamber and a second drying chamber, the heat pump heat supply device is installed in the heat supply chamber, a discharging opening is formed in the side wall of the first drying chamber, and a discharging opening is formed in the side wall of the second drying chamber. A discharging door is mounted at the discharging opening; a plurality of axial flow fans are installed in the heat supply chamber at intervals, an air inducing opening is formed in the side wall of the heat supply chamber, a part of space is reserved in the upper portion of the first drying chamber to serve as an air inlet cavity, an air inlet is formed in the side wall of the air inlet cavity, and the air inducing opening is communicated with the air inlet through an air inlet channel. Part of hot air in the heat supply chamber is introduced into the air inlet cavity through the air inlet duct, coffee beans or nuts above the second drying chamber are heated, the heating effect on the coffee beans or the nuts above the second drying chamber is guaranteed, and the phenomenon that the coffee beans or the nuts are affected with damp and rotten is avoided.

The invention discloses Kluyveromyces marxianus and an application thereof in a coffee bean degumming technology, and belongs to the field of microorganisms, the Kluyveromyces marxianus CI-06 strain is preserved in the general microbiological center of the China Committee for Culture Collection of Microorganisms on May 9, 2024, and the preservation number is CGMCC No. 30564. The CI-06 strain has pectinase activity, the pectinase produced by the CI-06 strain is high in activity, and the CI-06 strain can be used in the biological degumming process of coffee, and is used for shortening the degumming time and improving the quality of coffee commodity beans.

The present invention discloses a Kluyveromyces marxianus yeast strain, a method for fermenting rose-flavored coffee beans and the coffee beans. The Kluyveromyces marxianus yeast strain is selected as the fermentation strain. By obtaining and preserving microorganisms from sour meat, the green coffee beans are co-fermented with Damascus rose flowers, thereby endowing the coffee beans with a unique rose flavor. The green coffee beans are subjected to high-temperature sterilization and the rose petals are subjected to ultraviolet sterilization treatment; then inoculation is carried out using a fermentation strain with a specific concentration; then multiple fermentations are carried out in a constant temperature and humidity environment to fully integrate the rose aroma and coffee flavor. Through selective fermentation and precise control of the inoculation concentration, it is ensured that the flavor compounds generated during the fermentation process are consistent, achieving a stable flavor performance. The finally obtained rose-flavored coffee has a unique flavor, moderate acidity, good body, balanced sweetness, appropriate roasting degree and uniform particle size. Its moisture content and trace element content are precisely controlled, and the tasting score reaches 81.3 points.

The utility model provides a coffee bean picking and washing all-in-one machine relates to coffee production equipment technical field, including picking box and collecting box, picking box is installed in the front end of collecting box top, the top of picking box is provided with first motor, the output end of first motor passes through preset through-hole downward connection picking box drive transmission rod, and picking box drive transmission rod passes through the through-hole. And a driving transmission rod, a transfer rod and a driven transmission rod are rotationally connected in the picking box in sequence. The first motor drives the driving transmission rod to rotate, the driving gear and the driven gear are arranged on the rod body of the driving transmission rod and the rod body of the transfer rod respectively, and the driving gear and the driven gear are connected in a meshed mode, so that when the driving transmission rod rotates, the transfer rod can be driven to rotate reversely, and meanwhile the transfer rod is driven to rotate. The transfer rod and the driven transmission rod achieve synchronous power transmission through the first belt wheel, the second belt wheel and the rubber belt, and therefore the first motor can drive the driving transmission rod and the driven transmission rod to rotate reversely at the same time.

The utility model relates to an accurate quantitative grinding mechanism for coffee beans, and aims to solve the technical problems that a weighing module structure of an existing similar product is difficult to be integrally assembled and used with a bean grinding assembly, beans are easy to scatter when a bean box of the bean grinding assembly is taken out, the bean box is difficult to automatically lock when the bean box is taken out, and the beans are easy to block in the bean discharging process. The mechanism is characterized in that a bean discharging gear in a bean discharging assembly main body below a bean box at a bean box assembly of the mechanism is driven by a transmission shaft at a synchronous motor on one side of the outer diameter to rotate to discharge beans, and meanwhile, a bean discharging shifting piece is arranged on one side of the bean discharging gear in the bean discharging assembly main body, and one end of the bean discharging shifting piece abuts against one blade of the bean discharging gear; the other end of the bean feeding shifting piece is hinged and fixed in the bean feeding assembly body to swing, a torsion spring is arranged on the hinged position or a positioning column on one side of the hinged position, the shaft portion of a vertically-arranged bean feeding gear is aligned with a bottom hole opening of an upper bean box, and the bottom hole opening of the upper bean box is rectangular. And a bottom hole of the bean feeding assembly main body below the shaft part at the bean feeding gear is aligned with the bean feeding channel.

The invention relates to an automatic driving vehicle for automatically making, blending and selling coffee, and aims to provide convenient and efficient coffee beverage services, and the system comprises an automatic making module, an automatic blending module, an automatic selling module, an automatic driving vehicle and a control system, the automatic making module is responsible for full-process automatic operation of grinding, extracting, brewing, heating and the like of coffee beans; the automatic blending module supports automatic adjustment of ingredients such as milk and syrup, and various taste requirements are ensured; the automatic selling module realizes user transaction, payment and feedback functions, the automatic driving vehicle is equipped with path planning, obstacle detection, signal lamp identification and positioning devices to ensure autonomous driving and avoid obstacles, an electric energy storage system of the vehicle provides a stable energy supply system, intelligent management is performed through an embedded control unit, and the intelligent management is realized. The operation efficiency can be optimized in real time, manual intervention is reduced, and efficient operation and maintenance of equipment are ensured by combining cloud data analysis, remote monitoring and fault early warning.

The present application relates to a kind of coffee machine bean box bean sealing device, it is for solving the technical problems that the structure design of existing similar products is poor, use assembly is inconvenient, poor stability, lack of locking monitoring or locking control system.The bottom of the bean box of the bean box bean sealing device is provided with a fixed disc, the fixed disc of the bean box is fixedly installed on the mounting disc of the top cover top by knob disc;Its key point is that the clamping block of the mounting disc is clockwise and is clamped into the arc-shaped actuating slot of the fixed disc, simultaneously, the positioning column of the mounting disc passes through guide hole and is inserted into the stress slot of the bean sealing plate in the bottom of the bean box, continue to rotate the bean box clockwise, the positioning column of the mounting disc passes through the guide hole of the fixed disc and the stress slot of the bean sealing plate and drives the bean sealing plate on both sides of the bottom of the bean box to move to the outside, and the outlet in the bottom of the bean box is opened, the coffee beans of the bean box enter the grinding assembly by the first through hole of the fixed disc;The lower gear ring disc of knob disc is engaged with the upper gear ring disc of grinding disc, and the thickness of the grinding coffee is adjusted by rotating the knob of one side protrusion of knob disc.

The utility model relates to a bean grinding device and a coffee machine, and belongs to the field of coffee machines. A bean grinding device comprises a bean grinding rack; the driving part is arranged on the bean grinding rack; the transmission assembly is arranged on the bean grinding rack, and the transmission assembly is in transmission connection with the driving part; an inner grinding assembly; the outer grinding assembly is arranged around the inner grinding assembly, and a grinding gap is formed between the outer grinding assembly and the inner grinding assembly; and the powder discharging assembly is movably arranged on the bean grinding machine frame. According to the bean grinding device, the grinding gap is formed between the outer grinding assembly and the inner grinding assembly, the thickness degree of ground beans can be controlled according to the size of the grinding gap, and therefore various taste requirements can be met. Due to the arrangement of the powder discharging assembly, it is guaranteed that ground coffee beans can be rapidly and continuously output.

The utility model discloses an automatic proportioning coffee bean processing production line which comprises a raw bean bin, the raw bean bin is connected with a feeding port of a baking machine through a pipeline, a discharging port of the baking machine is connected with a feeding port of a stoning machine, and a discharging port of the stoning machine is connected with a feeding port of a cooked bean bin through a pipeline. A discharging opening of the cooked bean bin is connected with a feeding opening of the cooked bean transition bin and a feeding opening of the bean grinding bin through pipelines, and a discharging opening of the bean grinding bin is connected with a feeding opening of the flour bin through a pipeline; the automatic proportioning device has the advantages of automatic proportioning, accurate proportioning and high efficiency.

A composition for making a drink includes a coffee bean ingredient, an antacid ingredient, a polysaccharide ingredient having an extract from mushroom, and solid particles including the coffee bean ingredient, the antacid ingredient and the polysaccharide ingredient. The composition includes the coffee bean ingredient from 80 wt-% to 99 wt-% based on a total weight of the composition, the antacid ingredient from 0.5 wt-% to 10 wt-% based on the total weight of the composition, and the polysaccharide ingredient from 0.5 wt-% to 10 wt-% based on the total weight of the composition.

The present disclosure surrounds a flat burr grinder with increased ease of maintenance, adjustability, and / or precision as related to the grinding of media such as coffee beans. The apparatus described herein includes a grinding assembly which is optionally configured for disassembly at a location which corresponds to the location of the burrs to allow for easier maintenance and adjustability without affecting the gap between the burrs as last set by the user. An optionally interchangeable pre-breaker auger allows for adjustability of the particulate size of grinding material which is introduced to the burrs for grinding.

1. The name of the product of this design: coffee bean measuring cup and its main body. 2. Purpose of this design product: This design product is used to weigh the weight of coffee beans poured into a cup. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the key points of the design: Design 1 Stereoscopic drawing 1. 5. Designate Design 1 as the base design. 6. Other situations that need explanation: In the view of Design 2, the dotted line is the unprotected part; in the main view, top view, three-dimensional view and usage status view of Design 3, the red part is the display screen; the red part in all views is the unprotected part.

The utility model discloses a vibration impurity removal device for coffee bean processing, which comprises a machine body, and a top cover is arranged at the top end of the machine body. When the vibration impurity removal device for coffee bean processing is used, after coffee beans are guided into the filter plate in the machine body through the feeding port, the coffee beans meeting the particle size through vibration screening can be filtered out, fall off from the interior of the filter plate and then can be guided into the water tank through the discharging port, and after water is injected into the water tank, the coffee beans are filtered out through the filtering plate. The coffee beans which are hollow inside and impurities can float on the water surface, qualified coffee beans can sink to the bottom end in the water tank, after impurity removal is finished, the water tank is taken down from the interior of the support, the coffee beans screened out from the water surface in the water tank are fished out, then the two sets of valves are opened to guide out water in the water tank, and then the qualified coffee beans can be taken out. The coffee bean screening device solves the problem that coffee beans cannot be subjected to secondary screening treatment conveniently.

The coffee grinding device comprises a shell, a rotating shaft and a driving motor, a primary grinding head is arranged in an opening in the lower portion of the shell, the rotating shaft is coaxially and rotatably arranged in the shell, a secondary grinding head matched with the primary grinding head is arranged at the lower end of the rotating shaft, the distance between the primary grinding head and the secondary grinding head is adjustable, and the driving motor drives the primary grinding head to rotate. The driving motor is used for driving the rotating shaft to rotate; a first thread is arranged on the circumferential side of the upper end of the rotating shaft in a surrounding mode, and an annular worm gear is rotationally connected to the shell. The defects that the coffee beans are finer after being ground, the contact area of the coffee beans and water is larger, and the taste is bitter are overcome; the thicker the coffee beans are ground, the contact area of the coffee beans and water is reduced, and the taste is not bitter; the device cannot adjust the crushing degree of coffee beans, so that the hobbies of various people cannot be considered. Therefore, the coffee grinding device can adjust the grinding degree of coffee beans so as to give consideration to preferences of more types of people.

The hulling device comprises a workbench, a conveying belt is installed in the top end of the workbench, a working bin is fixedly connected to one side of the top end of the workbench, cleaning mechanisms are arranged in the two sides of the working bin, a feeding port is fixedly connected to the middle position of the top end of the working bin, and the feeding port is fixedly connected to the bottom end of the workbench. A rotating mechanism is arranged at the bottom end of the interior of the feeding port, and a linear motor is installed at the top end of one side of the interior of the working bin. According to the coffee bean huller, the rolling mechanism is arranged on one side of the linear motor, when external coffee beans fall onto the electric valve in the working bin through the feeding port, the rolling mechanism is driven by the linear motor to do reciprocating motion in the working bin, and therefore a pressing roller at the bottom end of the rolling mechanism can rapidly and efficiently conduct coffee bean hulling work; and through cooperation of the cleaning mechanism, broken coffee bean shells can be quickly blown out through a chip removal opening, and the overall using effect of the coffee bean shell removing device is improved.

The utility model relates to the technical field of grain split charging equipment, and discloses a bean discharging machine unit, a coffee bean discharging machine and a coffee maker, the bean discharging machine unit comprises a bean discharging machine body, the bean discharging machine body comprises a coffee bean inlet, a bean storage bin and a bean outlet which are communicated in sequence, the bean outlet can be opened and closed through a driving mechanism, and at least one side of the bean discharging machine body is provided with a splicing surface; and when the splicing surfaces of the two bean discharging machine bodies are spliced with each other, the connecting structures of the two bean discharging machine units can be detachably connected. According to the embodiment of the utility model, the bean discharging machine units can be detachably connected with one another, so that the structure of the coffee bean discharging machine is more compact, the occupied area when a plurality of bean discharging machine units work together is reduced, the number of structures for supporting the bean discharging machine units can be reduced, the requirement on the installation environment of the coffee machine is reduced, and the production cost is reduced. In addition, a plurality of bean discharging machine units can share one power supply, so that the cost of the bean discharging machine units can be saved, and the attractiveness of the coffee machine can be improved.

The utility model relates to a coffee bean baking machine which comprises a baking machine shell, a baking pot, a feeding channel, an exhaust channel and a transparent observation window. A baking cavity is formed in the baking machine shell; the baking pot is obliquely arranged in the baking cavity towards the front of the baking machine shell; a bean outlet communicated with the bean outlet space is formed in the bottom of the right front side of the baking pot, and the hot air supply device is arranged in the baking machine shell and used for providing heat and air for the interior of the baking pot from the bottom of the baking pot; one end of the feeding channel is communicated with the interior of the baking pot, and the other end of the feeding channel extends above the baking machine shell; one end of the exhaust channel is communicated with the interior of the baking pot, and the other end extends above the rear side of the baking machine shell; the transparent observation window is obliquely arranged on the top of the baking machine shell and used for observing the interior of the baking pot. According to the coffee bean baking machine, coffee beans can rotate and turn over at the same time through small wind power, it is guaranteed that the coffee beans are baked evenly, and meanwhile excessive flavor loss of the coffee beans is avoided.

The invention discloses a coffee baking machine which comprises a main machine, a cooling frame is fixedly arranged on one side of the main machine, a partition plate is fixedly arranged in the cooling frame, a plurality of air holes are formed in the partition plate, a discharging groove is formed in the partition plate, a notch is formed in one side of the cooling frame, a discharging frame is fixedly arranged in the notch, and the discharging groove is communicated with the discharging frame. And a cover plate is movably clamped to the discharging groove, the discharging frame is located below the discharging groove, a cylinder is movably arranged in the center of the partition plate in a penetrating mode, and a grabbing assembly capable of grabbing and throwing coffee beans is arranged on one side of the cylinder. According to the coffee baking machine, coffee beans are grabbed and poured out through the grabbing frame through cooperation of the moving rod, the fixed block, the moving plate, the rotating plate and other components, and the heat dissipation effect on the coffee beans can be further enhanced.

The invention relates to a coffee bean grinder bean grinding flow weighing pre-judgment method and circuit. The coffee bean grinder bean grinding flow weighing pre-judgment method comprises the steps that a corresponding sliding window is constructed according to weighing data, and corresponding accumulated weight data is calculated; according to the sliding window, the corresponding powder discharging rate is calculated; according to the target weight data and the accumulated weight data, whether corresponding shutdown control operation is executed or not is judged; according to the accumulated weight data and the target weight data, calculating corresponding predicted powder discharge time, and according to the predicted powder discharge time and the powder discharge rate, judging whether to execute corresponding deceleration control operation; when corresponding deceleration control operation is executed, a corresponding interpolation prediction model is constructed to calculate corresponding predicted downtime, and downtime and deceleration prediction control is performed by continuously acquiring weighing data based on a fixed sampling time interval and cooperating with a target weight set by a user. Accurate control over the bean grinding process under multi-factor interference is achieved.

The invention relates to the technical field of coffee cold extraction and concentration equipment, in particular to continuous coffee cold extraction and concentration equipment based on intelligent monitoring. The system comprises an intelligent preprocessing unit, an intelligent cold extraction control unit, a quality monitoring and intercepting unit and a concentration presetting unit, the intelligent preprocessing unit collects coffee bean parameters and moisture content data through the radio frequency identification technology, and the intelligent cold extraction control unit accurately controls cavity switching through a servo motor; the optimal extraction environment is automatically matched for coffee powder with different characteristics, parameters such as temperature, pressure and concentration in the processing process are analyzed in real time based on a machine learning algorithm, and extraction process parameters are dynamically adjusted. And the quality monitoring and intercepting unit performs multi-dimensional quality evaluation on the extraction liquid to ensure the stable quality of the final product. According to the invention, a whole-process intelligent control system from raw material processing to finished product output is constructed, and the quality consistency and the production efficiency of the coffee cold extraction concentrated product are remarkably improved.

The utility model relates to the field of coffee bean processing equipment, in particular to a bean grinder and a motor mounting frame. The motor mounting rack comprises an inner supporting ring, the inner side wall of the inner supporting ring is provided with a positioning block, the positioning block is provided with a mounting disc used for mounting a motor assembly, and a space is reserved between the mounting disc and the inner supporting ring. The mounting disc is arranged on the inner supporting ring through the positioning blocks, so that a space is reserved between the mounting disc and the inner supporting ring, and an extension piece of a lifting rod of the bean grinder can penetrate through the space. As the extension sheet can abut against the positioning block in the rotating direction, and the positioning block can limit the lifting rod to prevent the lifting rod from rotating, when the adjusting knob is rotated, the lifting rod can rotate relative to the adjusting gear and ascend and descend under the action of threads, the movable grinding disc moving along with the lifting rod is controlled to ascend and descend, and the gap between the movable grinding disc and the fixed grinding disc is adjusted; and the thickness of discharged powder can be adjusted. In the process, the positions of the motor mounting rack and the motor do not need to be moved.