Powder loosening device and using method thereof

Abstract

The invention relates to the field of coffee appliances, discloses a powder loosening device and a use method thereof, and solves the problems of non-uniform stirring speed and poor powder loosening effect. According to the first aspect, the powder loosening device comprises a supporting assembly, a powder loosening assembly, a vertical guiding structure, a stroke limiting structure, a power piece and an inductive switch; according to the second aspect, the using method is applied to the powder loosening device in the first aspect and comprises the steps that the powder loosening device is placed on a table top, and when the inductive switch induces that the body and the support reach the set relative position, the inductive switch controls the power piece to stop; the body is held by hand to move the powder loosening device to the base to be erected on the outer edge of the powder bowl; the body descends relative to the support, the support and the body are located at working positions and are separated from the sensing range of the sensing switch, and the sensing switch controls the power piece to be started. The process from the table top to the powder bowl can be completed only by simply operating the body with hands, manual rotation is not needed, powder can be uniformly loosened, and use is quite convenient.

Description

Technical Field

[0001] The present invention relates to the field of powder stirring, and further to the field of coffee utensils, and in particular to a powder loosening device and a use method thereof. Background Art

[0002] A coffee powder loosener or coffee powder distributor is a tool used to loosen the coffee powder after grinding the coffee beans and putting them into a coffee powder bowl or coffee powder hopper.

[0003] The existing coffee powder loosening machine basically manually rotates the needle disk directly after being set up on the coffee powder bowl to make the stirring needle stir the coffee powder. This method requires the human hand to overcome a certain resistance and requires a long-term rotation of the needle disk to stir, which consumes manual strength and the stirring speed is uneven, resulting in a poor loosening effect. Summary of the invention

[0004] The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention provides a powder loosening device and a method for using the same, which is very simple to use and has a better powder loosening effect.

[0005] The first embodiment of the present invention provides a powder loosening device, comprising:

[0006] A support assembly, including a bracket and a base arranged above and below;

[0007] The powder loosening assembly comprises a main body and a stirring member arranged in an upper and lower manner, wherein the main body is connected to the bracket in a liftable manner, and the stirring member comprises a needle plate connected to the main body and an ejector pin and a stirring pin installed on the needle plate and extending downward, wherein the lowest position of the ejector pin is lower than the lowest position of the stirring pin, and the base is provided with a channel for accommodating the ejector pin and the stirring pin to pass through when being lifted and lowered;

[0008] A vertical guide structure is provided between the body and the bracket, and is used to limit the body and the bracket to relative lifting movements only;

[0009] The stroke limiting structure is provided between the body and the bracket, and is used to limit the stroke of the relative lifting movement between the body and the bracket;

[0010] A power part, mounted on the body;

[0011] The induction switch is connected to the power part and is used to sense that the body and the bracket have reached a set relative position and control the start and stop of the power part;

[0012] The lowest position of the bracket relative to the body is set as the initial position, a position of the bracket relative to the body higher than the lowest position is set as the working position, and the relative position is set as the initial position;

[0013] The bracket and the body are in the initial position, and the induction switch controls the power part to stop;

[0014] The bracket and the body are located at the working position and out of the sensing range of the sensing switch, and the sensing switch controls the power part to turn on.

[0015] The first embodiment of the present invention has at least the following beneficial effects:

[0016] 1. The support assembly is provided to facilitate the installation of the powder loosener on the powder bowl and the installation of the powder loosening assembly in a liftable manner. The channel provided on the base facilitates the passage of the ejector pin and the stirring pin into the powder bowl;

[0017] 2. The setting of the needle plate facilitates the setting of the ejector pin and the stirring pin. The setting of the ejector pin and the lowest position is to facilitate the abutment against the table surface so that the loose powder component can be maintained at the set height under normal conditions and the stirring pin can be kept from being abutted by the table surface;

[0018] 3. The relative lifting and lowering motion between the body and the bracket is limited by the stroke limiting structure and the vertical guiding structure and can be protected within a limited range, and the relative position of the body and the bracket is conveniently maintained at the lowest position of the body relative to the bracket under normal conditions by the ejector pin;

[0019] 4. The setting of the power part is convenient for driving the needle disk to rotate. The setting of the induction switch and the induction of the induction at the set relative position can cooperate with the set initial position and working position to make the powder loosener form a very convenient mode. That is, when placed in the initial position on the table, the needle disk does not rotate. When the stirring needle and the ejector enter the working position after the powder bowl, the turntable rotates. In this mode, the movement from the table to the powder bowl only requires a simple manual operation of the main body. No manual rotation is required and the powder can be loosened evenly. It is very convenient to use and very in line with the user's habits.

[0020] 5. The powder loosener adopts an initial position sensing switch which can sense when the set relative position is reached between the main body and the bracket and control the power part to stop. After the ejector and the stirring needle fall into the powder bowl and are in place, the relative position of the bracket and the main body deviates from the set relative position and the sensing range, and the sensing switch controls the power part to start. This setting takes into account that there are various types of powder bowls in the coffee utensil industry, and the depths of powder bowls of different models are different. This results in different relative lifting strokes of the bracket and the main body for powder bowls of different depths. Through this setting, only the sensing switch needs to sense the initial position. The powder bowls of various models are in a closed state at the initial position and can be opened when they are out of the initial position. There is no need to consider the difference in the working positions of powder bowls of different models. This makes it easier for the powder loosener to be used stably in powder bowls of different models. In this mode, the powder bowls of various models are in the same initial position, and the sensing switch only needs to set a sensing range for the initial position for stable use, which also significantly reduces the setting requirements for the sensing range of the sensing switch.

[0021] According to some embodiments of the present invention, the stroke limiting structure includes:

[0022] An annular limiting groove is provided on the outer side wall of the body;

[0023] The annular slider is sleeved in the annular limiting groove, and the annular slider serves as a component of the bracket;

[0024] The upper and lower end surfaces of the annular limiting groove can block the annular sliding block and limit the relative lifting movement stroke between the annular sliding block and the annular limiting groove.

[0025] According to some embodiments of the present invention, the vertical guiding structure comprises:

[0026] The vertical guide groove and the vertical guide protrusion are arranged on the outer side wall of the annular limiting groove, and the other one is arranged on the inner side wall of the annular sliding block. The vertical guide protrusion and the vertical guide groove are connected for relative lifting movement.

[0027] According to some embodiments of the present invention, the inductive switch comprises:

[0028] Hall switch, installed on the body;

[0029] A magnet is mounted on the annular slider;

[0030] The Hall switch and the magnet can be located in the same radial direction during the relative movement.

[0031] According to some embodiments of the present invention, the powder loosening device further comprises:

[0032] Power supply assembly, connected to the Hall switch;

[0033] The power parts, Hall switches and power supply components are all installed in the body;

[0034] The power supply components include:

[0035] The frame is located above the power part and the battery is arranged in the frame. The side of the frame is provided with an opening for accommodating the battery disassembly and assembly. The top of the body includes a detachable top cover, and the power supply component can be installed and removed from the top of the body.

[0036] According to some embodiments of the present invention, the power component is a reduction motor, the bottom of the reduction motor is installed on the bottom end of the body, and the output shaft of the reduction motor passes through the bottom end of the body and is connected to the needle disk.

[0037] According to some embodiments of the present invention, the ejector pin is located at the center of the needle disk;

[0038] The stirring pins include a plurality of stirring pins and are located around the ejector pin.

[0039] According to some embodiments of the present invention, when located at the initial position, the lowest position of the ejector pin and the lowest position of the base are located in the same plane.

[0040] According to some embodiments of the present invention, the support includes a plurality of support legs arranged around the base;

[0041] An annular positioning groove is arranged at the bottom of the base.

[0042] The second aspect of the present invention provides a method of use, which is applied to the powder loosening device of the first aspect of the present invention, comprising:

[0043] Place the powder loosener on the table, with the bottom of the ejector pin and the bottom of the base both touching the table, the bracket and the body at the initial position, and the induction switch senses that the body and the bracket have reached the set relative position, the induction switch controls the power part to stop, and the needle disk does not rotate;

[0044] Hold the main body and move the powder loosener to the base and place it on the outer edge of the powder bowl. The ejector pin and stirring pin are located above the powder in the powder bowl.

[0045] Release the hand to let the main body descend relative to the bracket or hold the main body to descend relative to the bracket, the ejector pin descends to abut against the inner bottom wall of the powder bowl, the stirring needle is inserted into the powder, the bracket and the main body are in the working position and out of the sensing range of the induction switch, the induction switch controls the power part to turn on, the needle disk rotates, and the stirring needle stirs the powder.

[0046] The beneficial effects of the second embodiment of the present invention refer to the first embodiment.

[0047] Additional aspects and advantages of the present invention will be given in part in the following description and in part will be obvious from the following description, or will be learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0048] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0049] Figure 1 This is a schematic diagram of the structure of a powder loosening device from a three-dimensional perspective according to an embodiment of the present invention;

[0050] Figure 2 It is a structural schematic diagram of a powder loosening device according to an embodiment of the present invention when it is placed on a table and is in an initial position;

[0051] Figure 3 It is a structural schematic diagram of a powder loosening device according to an embodiment of the present invention when it is placed in a powder bowl and is in a working position;

[0052] Figure 4 This is a schematic diagram of the structure of the powder loosening device without the main body according to an embodiment of the present invention from a three-dimensional perspective;

[0053] Figure 5 This is a schematic structural diagram of a powder loosening device according to an embodiment of the present invention without the body and the magnet from a frontal perspective;

[0054] Figure 6 This is a schematic diagram of the structure of the powder loosening device according to an embodiment of the present invention without the base, viewed from a front angle;

[0055] Figure 7 for Figure 6 A partial enlarged view of part A;

[0056] Figure 8 Another schematic diagram of the structure of the powder loosening device according to the embodiment of the present invention from a three-dimensional perspective;

[0057] Fig. 9 The circuit diagram of the inductive driving part of the powder loosening device according to the embodiment of the present invention;

[0058] Fig.10 It is a structural schematic diagram of a powder loosening device according to an embodiment of the present invention when the powder loosening device is placed on the powder bowl and is in an initial position;

[0059] Fig.11 It is a schematic structural diagram of the powder loosening device according to an embodiment of the present invention when it is placed on the powder bowl and is in a working position.

[0060] Reference numerals:

[0061] Bracket 100, annular slider 110, vertical guide protrusion 120, frame 130;

[0062] Base 200, channel 210, annular positioning groove 220;

[0063] Main body 300, annular limiting groove 310, vertical guide groove 320, top cover 330;

[0064] Needle disk 410, ejector pin 420, stirring pin 430;

[0065] Hall switch 510, magnet 520;

[0066] Support feet 600;

[0067] Gear motor 700. DETAILED DESCRIPTION

[0068] The following content will describe several embodiments of the present invention, including embodiments corresponding to the drawings. It can be understood that the drawings are used to assist in understanding the technical features and technical solutions of the present invention, and should not be understood as limiting the scope of protection of the present invention.

[0069] The following will be combined with the embodiments and drawings to clearly and completely describe the concept, specific structure and technical effects of the present invention, so as to fully understand the purpose, scheme and effect of the present invention. It should be noted that the embodiments and features in the embodiments of this application can be combined with each other without conflict.

[0070] It should be noted that, unless otherwise clearly defined, when a feature is referred to as "fixed", "connected" or "installed" on another feature, it can be directly fixed or connected to another feature, or it can be indirectly fixed or connected to another feature. The words "fixed", "connected" or "installed" should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meaning of the above words in the present invention in combination with the specific content of the technical solution.

[0071] It should be noted that the description of the orientation or position relationship indicated by up, down, left, right, top, bottom, front, back, inside, outside, etc. used in the present invention is based on the orientation or position relationship of the drawings or embodiments, and is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0072] It should be noted that the term "and / or" used in the present invention includes any combination of one or more related listed items, "above", "below", "within", etc. are understood to include the number itself.

[0073] It should be noted that, in the present invention, the description of first and second is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the sequence of the indicated technical features.

[0074] It should be noted that, unless otherwise clearly defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art. The terms used in this specification are only for describing specific embodiments and are not intended to limit the present invention.

[0075] Reference Figure 1-Figure 8 , Figure 10-11 The basic embodiment of the first aspect of the present invention provides a powder loosening device, comprising:

[0076] A support assembly, including a bracket 100 and a base 200 disposed up and down;

[0077] The powder loosening assembly includes a main body 300 and a stirring member arranged in an upper and lower manner. The main body 300 is connected to the bracket 100 in a liftable manner. The stirring member includes a needle plate 410 connected to the main body 300 and an ejector pin 420 and a stirring pin 430 installed on the needle plate 410 and extending downward. The lowest position of the ejector pin 420 is lower than the lowest position of the stirring pin 430. The base 200 is provided with a channel 210 for accommodating the ejector pin 420 and the stirring pin 430 to pass through when being lifted and lowered.

[0078] A vertical guide structure is provided between the body 300 and the bracket 100, and is used to limit the body 300 and the bracket 100 to only relative lifting movements;

[0079] The stroke limiting structure is provided between the body 300 and the bracket 100, and is used to limit the stroke of the relative lifting movement between the body 300 and the bracket 100;

[0080] A power part, mounted on the body 300;

[0081] The induction switch is connected to the power component and is used to sense that the body 300 and the bracket 100 have reached a set relative position and control the start and stop of the power component;

[0082] The lowest position of the bracket 100 relative to the body 300 is set as the initial position, a position of the bracket 100 relative to the body 300 higher than the lowest position is set as the working position, and the relative position is set as the initial position;

[0083] The bracket 100 and the body 300 are located at the initial position, and the induction switch controls the power part to stop;

[0084] The bracket 100 and the body 300 are located at the working position and out of the sensing range of the sensing switch, and the sensing switch controls the power part to turn on.

[0085] It is understandable that in the basic embodiment, the bracket 100 and the base 200 can be integrally formed or can be separately formed and then installed.

[0086] It can be understood that the lowest position of the ejector pin 420 is lower than the lowest position of the stirring pin 430 in the range of 0.5 mm to 1.5 mm, preferably 1 mm.

[0087] The basic embodiment of the first aspect of the present invention has at least the following beneficial effects:

[0088] 1. The support assembly is provided to facilitate the installation of the powder loosening device on the powder bowl and facilitate the installation of the powder loosening assembly in a liftable manner. The channel 210 provided on the base 200 facilitates the ejector pin 420 and the stirring pin 430 to pass through and enter the powder bowl;

[0089] 2. The arrangement of the needle plate 410 facilitates the arrangement of the ejector pin 420 and the stirring pin 430. The arrangement of the ejector pin 420 and the lowest position are to facilitate the abutment against the table surface so that the loose powder assembly can be maintained at a set height under normal conditions and the stirring pin 430 can be kept from being abutted against the table surface;

[0090] 3. The relative lifting and lowering motion between the body 300 and the bracket 100 is limited by the stroke limiting structure and the vertical guiding structure and can be protected within a limited range, and the relative position of the body 300 and the bracket 100 is kept at the lowest position of the body 300 relative to the bracket 100 in the normal state by cooperating with the ejector pin 420;

[0091] 4. The setting of the power part facilitates the driving of the needle disk 410 to rotate. The setting of the induction switch and the induction of the induction switch at the set relative position can cooperate with the set initial position and working position to make the powder loosening device form a very convenient mode of use, that is, when placed in the initial position on the table, the needle disk 410 does not rotate, and when the stirring needle 430 and the ejector pin 420 enter the working position after the powder bowl, the turntable rotates. In this mode, the main body 300 can be simply operated manually from the table to the powder bowl, without manual rotation and can loosen the powder evenly, which is very convenient to use and very in line with the user's habits;

[0092] 5. The powder loosener adopts an initial position sensing switch which can sense that the main body 300 and the bracket 100 have reached a set relative position and control the power part to stop. After the ejector 420 and the stirring needle 430 are lowered into the powder bowl, the relative position of the bracket 100 and the main body 300 is out of the set relative position and out of the sensing range, and the sensing switch controls the power part to start. This setting takes into account that there are many types of powder bowls in the coffee utensil industry, and the depths of powder bowls of different models are different. This results in different relative lifting strokes of the bracket 100 and the main body 300 for powder bowls of different depths. Through this setting, only the sensing switch needs to sense the initial position. The powder bowls of various models are all in a closed state at the initial position and can be opened when they are out of the initial position. There is no need to consider the difference in the working positions of powder bowls of different models. This makes it easier for the powder loosener to be used stably in powder bowls of different models. In this mode, the powder bowls of various models are the same in the initial position, and the sensing switch only needs to set a sensing range for the initial position for stable use, which also significantly reduces the setting requirements of the sensing range of the sensing switch.

[0093] For the expansion of the basic implementation example, refer to Figure 1-Figure 8 , the travel limit structure includes:

[0094] An annular limiting groove 310 is provided on the outer side wall of the body 300;

[0095] The annular slider 110 is sleeved in the annular limiting groove 310 , and the annular slider 110 is a component of the bracket 100 ;

[0096] The upper and lower end surfaces of the annular limiting groove 310 can block the annular slider 110 and limit the relative lifting and lowering movement stroke between the annular slider 110 and the annular limiting groove 310 .

[0097] Through the cooperation between the annular limiting groove 310 and the annular sliding block 110 , the relative lifting and lowering travel of the body 300 and the bracket 100 is limited between the upper and lower end surfaces of the annular limiting groove 310 .

[0098] It is understandable that the stroke limiting structure may also be other structures, specifically, two annular protrusions may be provided on the outer side wall of the main body, and the annular slider is limited between the two annular protrusions, which can also limit the stroke.

[0099] It can be understood that the main body is preferably cylindrical in shape, which is convenient for setting the annular limit groove. The annular slider and the supporting foot can be formed as one piece or separately and then installed. The annular slider and the supporting foot form a bracket. The top of the main body can include a top cover, and the bottom end surface of the top cover can be used as the upper end surface of the annular limit groove.

[0100] For the expansion of the basic implementation example, refer to Figure 1 and Figure 8 , the vertical guide structure includes:

[0101] The vertical guide groove 320 and the vertical guide protrusion 120 are respectively arranged on the outer wall of the annular limiting groove 310 and the inner wall of the annular slider 110 . The vertical guide protrusion 120 and the vertical guide groove 320 are connected for relative lifting movement.

[0102] The cooperation between the vertical guide groove 320 and the vertical guide protrusion 120 limits the relative lifting movement of the main body 300 and the bracket 100. Preferably, the vertical guide protrusion 120 is provided in the annular limiting groove 310, and the vertical guide groove 320 is provided on the inner side wall of the annular slider 110.

[0103] It is understandable that the vertical guide structure may also be in other forms, such as a spline structure, or a limit groove and a slider with a non-circular cross-section.

[0104] For the expansion of the basic implementation example, refer to Figure 1-Figure 6 , the induction switch includes:

[0105] A Hall switch 510 is installed on the body 300;

[0106] The magnet 520 is mounted on the annular slider 110;

[0107] The Hall switch 510 and the magnet 520 can be located in the same radial direction during the relative movement.

[0108] As a magnetic induction switch, the Hall switch 510 can cooperate with the magnet 520 to complete the sensing work well. Preferably, in the initial position, the Hall switch 510 and the magnet 520 are located on the same radial direction of the annular slider 110. At this time, the two are at the shortest distance, and it is easy to set the sensing range of the Hall switch 510 to meet the use requirements. The magnetic force requirements of the magnet 520 are relatively low, which is easier to implement.

[0109] It is understandable that a mounting hole or mounting groove corresponding to the shape of the magnet 520 may be provided on the annular slider 110 to facilitate the installation of the magnet 520 . The annular slider 110 may be made of a metal material that the magnet 520 can adsorb to make the installation of the magnet 520 more stable.

[0110] It is understandable that the induction switch can also adopt other common corresponding switches, specifically a contact induction switch. In the initial position, the induction block contacts the induction member, the body and the bracket rise and fall relatively, and the induction block leaves the induction member. This mode can also complete the required function.

[0111] For the expansion of the basic implementation example, refer to Figure 4-Figure 5 , the powder loosener also includes:

[0112] A power supply assembly, connected to the Hall switch 510;

[0113] The power supply component is set up so that the powder loosener can be carried and used easily without being plugged in.

[0114] The power part, the Hall switch 510 and the power supply assembly are all installed in the body 300;

[0115] This configuration can well protect the power components, the Hall switch 510 and the power supply assembly, and facilitates the connection of the various components.

[0116] The power supply components include:

[0117] The frame 130 is located above the power part and the battery is arranged in the frame 130. The side of the frame 130 is provided with an opening for accommodating the battery removal. The top of the main body 300 includes a detachable top cover 330, and the power supply component can be installed and removed from the top of the main body 300.

[0118] Under this setting, it is convenient to replace the battery when the battery power is exhausted. The battery can be the No. 5 battery or No. 7 battery commonly used in the market.

[0119] For the expansion of the basic implementation example, refer to Figure 4-Figure 5 The power part is a reduction motor 700 , the bottom of the reduction motor 700 is installed on the bottom end of the body 300 , and the output shaft of the reduction motor 700 passes through the bottom end of the body 300 and is connected to the needle disk 410 .

[0120] The reduction motor 700 includes a motor body 300 and a reduction gear set, and can control the speed of the output shaft to a speed suitable for loose powder. The output shaft of the reduction motor 700 can be installed with a shaft, and the shaft and the needle plate 410 can also be installed.

[0121] For the expansion of the basic implementation example, refer to Figure 1-Figure 8 , the ejector pin 420 is located at the center of the needle disk 410;

[0122] The stirring pins 430 include a plurality of stirring pins 430 and are located around the ejector pin 420 .

[0123] Since the main function of the ejector pin 420 is to change the relative position of the main body 300 and the bracket 100 between the states of being located on the table and inserted into the powder bowl, and to switch between the initial position and the working position, the ejector pin 420 is preferably thicker than the stirring pin 430. The ejector pin 420 is centrally placed so that the force point is centered, which is convenient for supporting the components above the ejector pin 420, and the powder in the powder bowl will not be stirred during the powder loosening process, ensuring that only the stirring pin 430 stirs the powder, resulting in a better powder loosening effect. Multiple stirring pins 430 are preferably evenly arranged around the ejector pin 420.

[0124] For the expansion of the basic implementation example, refer to Figure 2 When in the initial position, the lowest position of the ejector pin 420 and the lowest position of the base 200 are located in the same plane.

[0125] In this setting, the powder loosener is placed on a flat table, the main body 300 and the bracket 100 can be stably in the initial position, and the powder loosener is also easy to place when not in use.

[0126] For the expansion of the basic implementation example, refer to Figure 1-Figure 6 , the bracket 100 includes a plurality of supporting legs 600 arranged around the base 200;

[0127] Under this configuration, the strength of the bracket 100 is improved, and the plurality of supporting legs 600 are preferably evenly arranged around the base 200, which is more aesthetically pleasing and provides more even force.

[0128] For the expansion of the basic implementation example, refer to Figure 8 An annular positioning groove 220 is provided at the bottom of the base 200 .

[0129] The annular positioning groove 220 is provided to facilitate the top of the powder bowl to be embedded therein, so that the powder loosener can be placed on the powder bowl more stably.

[0130] Reference Figure 1-Figure 8 , Figure 10-11 The basic embodiment of the second aspect of the present invention proposes a method of use, which is applied to the powder loosening device of the first aspect embodiment, comprising:

[0131] The powder loosener is placed on a table, the bottom of the ejector pin 420 and the bottom of the base 200 are both against the table, the bracket 100 and the body 300 are at the initial position, the induction switch senses that the body 300 and the bracket 100 have reached the set relative position, the induction switch controls the power part to stop, and the needle disk 410 does not rotate;

[0132] The main body 300 is held in hand and the powder loosener is moved to the base 200 to be mounted on the outer edge of the powder bowl, and the ejector pin 420 and the stirring pin 430 are located above the powder in the powder bowl;

[0133] Let go and let the main body 300 descend relative to the bracket 100 or hold the main body 300 and descend relative to the bracket 100, the ejector pin 420 descends to abut against the inner bottom wall of the powder bowl, the stirring needle 430 is inserted into the powder, the bracket 100 and the main body 300 are in the working position and out of the sensing range of the sensing switch, the sensing switch controls the power part to turn on, the needle disk 410 rotates, and the stirring needle 430 stirs the powder.

[0134] The beneficial effects of the basic embodiment of the second aspect of the present invention refer to the embodiment of the first aspect.

[0135] Reference Fig. 9 As an expansion of the basic embodiment, the circuit of the sensing part of the powder loosener may include a battery module, a sensing module, a delay circuit module, a primary amplifier circuit module, and a secondary amplifier circuit module. The sensing module is completed by using a magnetic induction Hall switch 510 in conjunction with a magnet 520. The delay circuit module is realized by setting a delay capacitor. Both the primary amplifier circuit and the secondary amplifier circuit are realized by transistors. The cooperation between the primary amplifier circuit and the secondary amplifier circuit enables the signal after the Hall switch 510 is sensed to be easily converted into the current required for starting the reduction motor 700.

[0136] It should be noted that in this specification, terms such as "one embodiment", "some embodiments", "basic embodiment", "extended embodiment" etc. may be used to describe several embodiments of the present invention. The specific features, structures, materials or characteristics of the several embodiments may be combined in accordance with the principles and purposes of the present invention.

[0137] Although some embodiments of the present invention have been shown and described in this specification, the present invention should not be limited to the above-mentioned embodiments. As long as the technical effects of the present invention are achieved by the same or equivalent means, any changes, modifications, equivalent substitutions and equivalent variations of these embodiments within the spirit and principles disclosed in the present invention and without departing from the principles and purpose of the present invention should be included in the scope of protection disclosed in the present invention and should be deemed to be within the scope of protection of the present invention.

Claims

1. A powder loosening device, characterized in that: include: A support assembly, comprising a bracket (100) and a base (200) arranged above and below; A powder loosening component comprises a main body (300) and a stirring member arranged in an upper and lower manner, wherein the main body (300) is connected to the bracket (100) in a liftable manner, and the stirring member comprises a needle plate (410) connected to the main body (300) and an ejector pin (420) and a stirring pin (430) installed on the needle plate (410) and extending downward, wherein the lowest position of the ejector pin (420) is lower than the lowest position of the stirring pin (430), and the base (200) is provided with a channel (210) for accommodating the ejector pin (420) and the stirring pin (430) to pass through when being lifted or lowered; A vertical guide structure, provided between the body (300) and the bracket (100), and used to limit the body (300) and the bracket (100) to only relative lifting movements; A stroke limiting structure, disposed between the body (300) and the bracket (100), and used to limit the stroke of relative lifting movement between the body (300) and the bracket (100); A power part, mounted on the body (300); an induction switch connected to the power component and used to sense that the body (300) and the bracket (100) have reached a set relative position and control the start and stop of the power component; The lowest position of the support (100) relative to the body (300) is set as the initial position, and a position of the support (100) relative to the body (300) higher than the lowest position is set as the working position, and the set relative position is the initial position; The bracket (100) and the body (300) are located at the initial position, and the induction switch controls the power part to stop; The bracket (100) and the body (300) are located at the working position and out of the sensing range of the sensing switch, and the sensing switch controls the power part to turn on.

2. The powder loosening device according to claim 1, characterized in that: The stroke limiting structure comprises: An annular limiting groove (310) is provided on the outer side wall of the body (300); an annular slider (110), sleeved in the annular limiting groove (310), the annular slider (110) serving as a component of the bracket (100); The upper and lower end surfaces of the annular limiting groove (310) are capable of blocking the annular sliding block (110) and limiting the relative lifting and lowering movement stroke between the annular sliding block (110) and the annular limiting groove (310).

3. The powder loosening device according to claim 2, characterized in that: The vertical guiding structure comprises: A vertical guide groove (320) and a vertical guide protrusion (120), one of which is arranged on the outer side wall of the annular limiting groove (310), and the other of which is arranged on the inner side wall of the annular sliding block (110), and the vertical guide protrusion (120) and the vertical guide groove (320) are connected for relative lifting movement.

4. The powder loosening device according to claim 2, characterized in that: The induction switch comprises: A Hall switch (510), mounted on the body (300); A magnet (520) mounted on the annular slider (110); The Hall switch (510) and the magnet (520) can be located in the same radial direction during relative movement.

5. The powder loosening device according to claim 4, characterized in that: Also includes: A power supply component connected to the Hall switch (510); The power component, the Hall switch (510) and the power supply assembly are all installed in the body (300); The power supply assembly comprises: A frame (130) is located above the power component and a battery is arranged in the frame (130); an opening for accommodating the battery disassembly and assembly is arranged on the side of the frame (130); the top of the body (300) includes a detachable top cover (330); and the power supply assembly can be installed and removed from the top of the body (300).

6. The powder loosening device according to claim 1, characterized in that: The power component is a reduction motor (700), the bottom of which is mounted on the bottom end of the body (300), and the output shaft of the reduction motor (700) passes through the bottom end of the body (300) and is connected to the needle disk (410).

7. The powder loosening device according to claim 1, characterized in that: The ejector pin (420) is located at the center of the needle disk (410); The stirring pins (430) include a plurality of stirring pins (430) and are located around the ejector pin (420).

8. The powder loosening device according to claim 1, characterized in that: When located at the initial position, the lowest position of the ejector pin (420) and the lowest position of the base (200) are located in the same plane.

9. The powder loosening device according to claim 1, characterized in that: The support (100) comprises a plurality of supporting legs (600) arranged around the base (200); An annular positioning groove (220) is provided at the bottom of the base (200).

10. A method of use, characterized in that: The powder loosening device according to any one of claims 1 to 9 comprises: The powder loosening device is placed on a table, the bottom of the ejector pin (420) and the bottom of the base (200) are both in contact with the table, the bracket (100) and the body (300) are located at the initial position, the induction switch senses that the body (300) and the bracket (100) have reached the set relative position, the induction switch controls the power part to stop, and the needle disk (410) does not rotate; The main body (300) is held in the hand and the powder loosener is moved to the base (200) to be mounted on the outer edge of the powder bowl, and the ejector pin (420) and the stirring pin (430) are located above the powder in the powder bowl; The user lets go and allows the body (300) to descend relative to the bracket (100) or holds the body (300) to descend relative to the bracket (100), the ejector pin (420) descends until it contacts the inner bottom wall of the powder bowl, the stirring pin (430) is inserted into the powder, the bracket (100) and the body (300) are located in the working position and out of the sensing range of the sensing switch, the sensing switch controls the power part to turn on, the needle disk (410) rotates, and the stirring pin (430) stirs the powder.

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