CN111493665A - Powder pressing device - Google Patents
Powder pressing device Download PDFInfo
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- CN111493665A CN111493665A CN202010388919.8A CN202010388919A CN111493665A CN 111493665 A CN111493665 A CN 111493665A CN 202010388919 A CN202010388919 A CN 202010388919A CN 111493665 A CN111493665 A CN 111493665A
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- powder
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J31/00—Apparatus for making beverages
- A47J31/24—Coffee-making apparatus in which hot water is passed through the filter under pressure, i.e. in which the coffee grounds are extracted under pressure
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J31/00—Apparatus for making beverages
- A47J31/44—Parts or details or accessories of beverage-making apparatus
- A47J31/4403—Constructional details
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Basic Packing Technique (AREA)
Abstract
The invention discloses a powder pressing device which comprises a supporting mechanism, a driving mechanism, a moving mechanism, a powder pressing mechanism, a powder bowl fixing frame, a sensor, a limit switch, an ammeter and a controller, wherein the supporting mechanism is used for fixing the mechanism, the driving mechanism is in transmission connection with the moving mechanism, the driving mechanism is used for driving the moving mechanism to drive the powder pressing mechanism to lift and rotate, the ammeter is electrically connected with the driving mechanism, the powder bowl fixing frame is used for mounting a powder bowl, the powder pressing mechanism is arranged above the powder bowl fixing frame and used for pressing powder in the powder bowl on the powder bowl fixing frame, the sensor is arranged below the powder bowl fixing frame and used for sensing whether the powder bowl is mounted on the powder bowl fixing frame, the limit switch is used for limiting the lifting height of the powder pressing mechanism, and the driving mechanism, the sensor, the limit switch and the ammeter are respectively in communication connection with the controller. The powder pressing device provided by the invention realizes the automation of powder pressing operation, and can ensure that the powder pressing pressure is the same every time, and the powder pressing is uniform and smooth.
Description
Technical Field
The invention relates to the technical field of powder pressing equipment, in particular to a powder pressing device.
Background
In the process of making coffee and tea drinks, powder pressing operation is usually carried out on powdery raw materials to improve the mouthfeel of the drinks.
Taking coffee as an example, brewing a cup of mellow coffee generally comprises the following steps: grinding coffee beans into powder by a bean grinding machine, pouring the powder into a powder bowl, flattening the powder by a powder pressing device matched with the powder bowl, and finally brewing the coffee by a coffee machine.
In the process of making coffee, grinding and brewing are basically automated, can be operated by numerical control, and only the step of flattening the powder still needs to be realized by manual tamping, which has higher requirements on the technical level of operators, and the standard tamping requires even force and flat surface. Moreover, the quality of the filling directly affects the taste of a cup of beverage (coffee, tea). In the process of pressing the powder bowl, the traditional powder pressing device not only ensures that the powder pressing working face is easy to deflect, but also cannot ensure that the powder pressing is constant in pressure every time. Due to the different pressing force of each time, the uniformity of the coffee powder is different, and the uniformity of the coffee powder is one of the important factors for determining the delicacy of a cup of coffee: if the particle density of the coffee powder is loose, the coffee powder can be easily brewed into coffee with sour or light taste; if the coffee powder has too dense a particle density, it will tend to brew coffee with a bitter or burnt taste.
In view of the problems of different powder pressing pressures, uneven powder stress and the like of the powder pressing device at each time, a novel powder pressing device is needed, so that the surface smoothness and the uniform force of powder after each filling are ensured, and further the uniformity of the quality of the beverage is ensured.
Disclosure of Invention
The invention provides a powder pressing device, aiming at solving the problems of different powder pressing pressures, uneven powder stress and the like of the existing powder pressing device every time, the invention innovatively provides a powder pressing device, after a sensor of the powder pressing device senses that a powder bowl is installed on a powder bowl fixing frame, a controller controls a driving mechanism to drive a motion mechanism to drive a powder pressing mechanism to rotate and descend, the powder pressing mechanism performs powder pressing operation on powder in the powder bowl, an ammeter monitors the current of the driving mechanism in real time, and when the current of the driving mechanism monitored by the ammeter reaches a preset current threshold value, namely the pressure borne by the powder in the powder bowl reaches a preset pressure value, the driving mechanism drives the powder pressing mechanism to ascend, so that the powder pressing pressures in every time are the same; the automatic start and stop of the driving mechanism are realized through the inductor, the limit switch, the ammeter and the controller, and the automation of powder pressing operation is realized; when the powder pressing operation is carried out, the powder pressing mechanism rotates and descends at the same time, and the powder is pressed more uniformly and flatly by rotating the powder pressing mechanism, so that the powder in the powder bowl is stressed uniformly.
In order to achieve the above technical object, the present invention discloses a powder compactor, comprising: a supporting mechanism, a driving mechanism, a moving mechanism, a powder pressing mechanism, a powder bowl fixing frame, an inductor, a limit switch, a current meter and a controller,
the supporting mechanism is used for fixing the driving mechanism, the moving mechanism, the powder pressing mechanism, the powder bowl fixing frame, the inductor, the limit switch, the ammeter and the controller,
the driving mechanism is in transmission connection with the moving mechanism, the driving mechanism is used for driving the moving mechanism to drive the powder pressing mechanism to lift and rotate, the ammeter is electrically connected with the driving mechanism,
the powder bowl fixing frame is used for installing a powder bowl,
the powder pressing mechanism is arranged above the powder bowl fixing frame and is used for pressing powder in the powder bowl on the powder bowl fixing frame,
the sensor is arranged below the powder bowl fixing frame and used for sensing whether a powder bowl is arranged on the powder bowl fixing frame or not,
the limit switch is used for limiting the rising height of the powder pressing mechanism,
the driving mechanism, the inductor, the limit switch and the ammeter are in communication connection with the controller respectively.
Further, the powder pressing mechanism comprises a connecting rod, a spring, a separation blade and a powder pressing hammer, the top end of the connecting rod is fixedly connected with the moving mechanism, the bottom end of the connecting rod is fixedly connected with the powder pressing hammer, the spring and the separation blade are sleeved on the connecting rod, the top end of the spring is abutted to the moving mechanism, the bottom end of the spring is fixedly connected with the separation blade, and the diameter of the separation blade is larger than that of the powder bowl.
Further, the motion includes screw rod and fall way, the screw rod with the actuating mechanism transmission is connected, the fall way is equipped with the internal thread, the fall way with screw rod threaded connection, the bottom of fall way with powder pressing mechanism fixed connection, limit switch sets up the top at the fall way.
Further, powder dust pressing device still includes guiding mechanism, guiding mechanism fixes on the supporting mechanism, guiding mechanism is equipped with the confession the first through-hole that the screw rod passed and the confession the second through-hole that the fall way passed, the second through-hole is used for spacingly the rise way is elevating movement.
Furthermore, the driving mechanism is in transmission connection with the movement mechanism through a gear transmission mechanism, the gear transmission mechanism comprises a first gear and a second gear, the first gear is fixedly connected with the driving mechanism, the second gear is fixedly connected with the movement mechanism, and the first gear is meshed with the second gear.
Further, the driving mechanism is in transmission connection with the movement mechanism through a gear transmission mechanism, the gear transmission mechanism comprises a first gear and a second gear, the first gear is fixedly connected with the driving mechanism, the second gear is fixedly connected with the movement mechanism, the powder dust press further comprises a speed change gear set, the speed change gear set is arranged between the first gear and the second gear, the speed change gear set comprises a third gear, a fourth gear and an intermediate shaft, the third gear and the fourth gear are fixed on the intermediate shaft, the intermediate shaft is in rotation connection with the supporting mechanism, the third gear is meshed with the first gear, the fourth gear is meshed with the second gear, and the number of teeth of the third gear is greater than that of teeth of the fourth gear.
Furthermore, the movement mechanism is fixedly connected with the second gear through a connecting shaft, the second gear is fixed on the connecting shaft, the bottom end of the connecting shaft is fixedly connected with the movement mechanism, and the connecting shaft is rotatably connected with the supporting mechanism.
Further, the driving mechanism comprises a motor, the ammeter is electrically connected with the motor, the first gear is fixed on a motor shaft of the motor, and the motor shaft of the motor is rotatably connected with the supporting mechanism.
Further, a motor shaft of the motor is parallel to an axial direction of the moving mechanism.
Furthermore, the supporting mechanism comprises a supporting frame, a supporting platform, a supporting vertical plate and a supporting base, the supporting frame is fixed on the supporting platform, the supporting vertical plate is arranged below the supporting platform, and the supporting vertical plate is fixed between the supporting platform and the supporting base; the powder bowl fixing frame is characterized in that the driving mechanism, the moving mechanism, the limit switch, the ammeter and the controller are fixed on the supporting frame, the joint of the powder pressing mechanism and the moving mechanism penetrates through the supporting platform, the powder pressing mechanism presses powder below the supporting platform, and the powder bowl fixing frame and the inductor are fixed on the supporting vertical plate.
The invention has the beneficial effects that:
(1) compared with the prior art, the powder pressing device provided by the invention realizes the automatic start and stop of the driving mechanism through the inductor, the limit switch, the ammeter and the controller, and realizes the automation of powder pressing operation; the current of the driving mechanism is monitored by an ammeter to realize the control of pressure in the powder pressing process, so that the same powder pressing pressure is ensured every time; when the powder pressing mechanism is used for pressing powder, the powder pressing mechanism rotates and descends simultaneously, powder is more uniformly and flatly filled by rotating the powder pressing mechanism, so that the powder in the powder bowl is uniformly stressed, and meanwhile, the powder is prevented from being stuck on the powder pressing hammer.
(2) The powder pressing mechanism of the powder pressing device provided by the invention is provided with the spring and the blocking piece, and the blocking piece is pressed downwards by the spring in the powder pressing process when the powder pressing mechanism descends to press powder, so that the blocking piece presses the edge of the powder bowl, the direction of the powder bowl is corrected, the powder bowl is ensured to be vertical to the descending direction of the powder hammer, and the powder in the powder bowl is ensured to be uniformly stressed.
(3) The powder pressing device provided by the invention has the advantages that the driving mechanism and the moving mechanism are arranged in parallel, the size of the powder pressing device is reduced, the using area of a bar counter is saved, meanwhile, the gear transmission is adopted, the running noise of the powder pressing device is reduced, and the powder pressing device is suitable for popularization.
Drawings
FIG. 1 is a schematic diagram of a powder compactor.
Fig. 2 is a schematic structural diagram of the powder pressing mechanism.
Fig. 3 is a schematic diagram of the overall structure of the powder compactor (comprising a housing and a top cover).
FIG. 4 is a graph of current versus pressure.
In the figure, the position of the upper end of the main shaft,
1. a support mechanism; 2. a drive mechanism; 3. a motion mechanism; 4. a gear transmission mechanism; 5. a powder pressing mechanism; 6. a powder bowl fixing frame; 7. an inductor; 8. a limit switch; 9. a speed change gear set; 10. a guide mechanism; 11. a support frame; 12. a support platform; 13. supporting a vertical plate; 14. a support base; 31. a screw; 32. a lifting pipe; 33. a connecting shaft; 41. a first gear; 42. a second gear; 51. a connecting rod; 52. a spring; 53. a baffle plate; 54. pressing a powder hammer; 91. a third gear; 92. a fourth gear; 101. a first through hole; 102. a second through hole; 100. a housing; 110. a top cover; 200. and (4) a powder bowl.
Detailed Description
The powder compactor provided by the invention is explained and explained in detail below with reference to the attached drawings.
FIG. 1 is a schematic diagram of a powder compactor. Fig. 2 is a schematic structural diagram of the powder pressing mechanism. Fig. 3 is a schematic diagram of the overall structure of the powder compactor (comprising a housing and a top cover).
Referring to fig. 1, the illustrated embodiment specifically discloses a powder compactor comprising: supporting mechanism 1, actuating mechanism 2, motion 3, powder pressing mechanism 5, powder bowl mount 6, inductor 7, limit switch 8, ampere meter and controller, actuating mechanism 2, inductor 7, limit switch 8 and ampere meter respectively with controller communication connection, open through controller control actuating mechanism and stop, realize the automation of powder pressing operation.
The supporting mechanism 1 is used for fixing and supporting the driving mechanism 2, the moving mechanism 3, the powder pressing mechanism 5, the powder bowl fixing frame 6, the inductor 7, the limit switch 8, the ammeter and the controller. The supporting mechanism 1 comprises a supporting frame 11, a supporting platform 12, a supporting vertical plate 13 and a supporting base 14, wherein the supporting frame 11 is fixed on the supporting platform 12, the supporting vertical plate 13 is arranged below the supporting platform 12, and the supporting vertical plate 13 is fixed between the supporting platform 12 and the supporting base 14; actuating mechanism 2, motion 3, limit switch 8, ampere meter and controller are fixed on support frame 11, and the support platform 12 is passed with motion 3's junction to powder pressing mechanism 5, and powder pressing mechanism 5 carries out the powder pressing operation in support platform 12 below, and powder bowl mount 6 and inductor 7 are fixed on supporting riser 13, and support base 14 is used for supporting whole powder pressing device.
Preferably, the support frame 11 comprises two cross beams and two longitudinal beams, the bottoms of the two longitudinal beams are fixed on the support platform 12, the two cross beams are fixed between the two longitudinal beams in parallel, and the driving mechanism 2 and the moving mechanism 3 are fixed on the cross beam below.
The driving mechanism 2 is in transmission connection with the moving mechanism 3, the driving mechanism 2 is used for driving the moving mechanism 3 to drive the powder pressing mechanism 5 to lift and rotate, the ammeter is electrically connected with the driving mechanism 2 and is used for monitoring the current of the driving mechanism 2 and transmitting a current signal to the controller.
The movement mechanism 3 comprises a screw rod 31 and an elevator tube 32, the screw rod 31 is in transmission connection with the driving mechanism 2, the elevator tube 32 is provided with internal threads, the elevator tube 32 is in threaded connection with the screw rod 31, and the bottom of the elevator tube 32 is fixedly connected with the powder pressing mechanism 5. The drive mechanism 2 rotates the screw 31, and thus rotates the elevator tube 32 and moves up or down.
The powder pressing device further comprises a guide mechanism 10, the guide mechanism 10 is fixed on a support frame 11 of the support mechanism 1, and the guide mechanism 10 is arranged above the powder pressing mechanism 5. The guiding mechanism 10 is provided with a first through hole 101 for the screw rod 31 to pass through and a second through hole 102 for the lifting tube 32 to pass through, the second through hole 102 is used for limiting the lifting tube to do lifting motion, and a certain friction force is provided for the lifting tube 32, so that the lifting tube 32 can move up and down while rotating along the screw rod 31. Preferably, the guiding mechanism 10 is a rectangular frame structure, a rubber ring is disposed in the second through hole 102, the rubber ring is sleeved outside the elevator tube 32, and the rubber ring provides a certain friction force to the elevator tube 32 in the horizontal direction, so that the elevator tube 32 can rotate relative to the screw 31, and similar to a screw rod structure, the elevator tube 32 can move up and down while rotating.
The driving mechanism 2 is in transmission connection with the moving mechanism 3 through the gear transmission mechanism 4, the gear transmission mechanism 4 is arranged between two cross beams of the support frame, the gear transmission mechanism 4 comprises a first gear 41 and a second gear 42, the first gear 41 is fixedly connected with the driving mechanism 2, the second gear 42 is fixedly connected with the screw 31 of the moving mechanism 3, and the first gear 41 is meshed with the second gear 42. The driving mechanism 2 drives the first gear 41 to rotate, so as to drive the second gear 42 to rotate, and the second gear 42 drives the screw 31 to rotate, further drives the lifting pipe to rotate and simultaneously ascend or descend.
Preferably, the screw 31 of the moving mechanism 3 is fixedly connected with the second gear 42 through the connecting shaft 33, the second gear 42 is fixed on the connecting shaft 33, the inner hole of the second gear is sleeved on the connecting shaft 33, the connecting shaft 33 is rotatably connected with the two cross beams of the supporting mechanism 1, and the bottom end of the connecting shaft 33 is fixedly connected with the top end of the screw 31.
Preferably, the powder compactor further comprises a speed change gear set 9, the speed change gear set 9 is arranged between the first gear 41 and the second gear 42, the speed change gear set 9 comprises a third gear 91, a fourth gear 92 and an intermediate shaft, the third gear 91 and the fourth gear 92 are fixed on the intermediate shaft, inner holes of the third gear 91 and the fourth gear 92 are sleeved on the intermediate shaft, and the intermediate shaft is rotatably connected with the supporting mechanism 1. Preferably, the intermediate shaft is rotatably connected to the two cross members of the support frame 11. The third gear 91 meshes with the first gear 41, and the fourth gear 92 meshes with the second gear 42. The number of teeth of the third gear 91 is greater than that of the fourth gear 92, that is, the speed change gear set 9 is a speed reduction gear set, and the torque is increased through speed reduction, so that the output torque of the driving mechanism 2 is reduced, and the volume of the driving mechanism 2 is reduced.
The driving mechanism 2 comprises a motor, an ammeter is electrically connected with the motor, and the ammeter monitors the output current of the motor. Preferably, the ammeter is a clamp ammeter which clamps one of power lines of the motor to measure the output current of the motor. The body of the motor is fixed on a cross beam below the support frame 11, a first gear 41 is fixed on a motor shaft, an inner hole of the first gear 41 is sleeved on the motor shaft, and the motor shaft is rotatably connected with the support mechanism 1; preferably, the motor shaft is rotatably connected to the two cross members of the support frame 11. Preferably, the motor shaft of the motor is parallel to the axial direction of the moving mechanism 3, so that the size of the powder dust press is reduced, and the use area of the bar counter is saved. And the running noise of the powder pressing device is effectively reduced by adopting gear transmission.
The limit switch 8 is used for limiting the rising height of the powder pressing mechanism 5, specifically, the limit switch 8 is fixed on one of the longitudinal beams of the support frame 11, and the limit switch 8 is arranged above the lifting pipe 32 and used for limiting the rising height of the lifting pipe 32. If the lifting pipe 32 rises along the screw 31 and touches the limit switch 8, the limit switch 8 generates a signal and transmits the signal to the controller, and the controller controls the driving mechanism 2 to stop working, namely stopping the motor from rotating, so as to prevent the lifting pipe from continuously rising.
Preferably, the rotational connection of the motor shaft, the intermediate shaft and the connecting shaft 33 to the support frame is realized by bearings. The motor shaft, the intermediate shaft and the connecting shaft are fixedly connected with the inner ring of the bearing, and the bearing is fixed on the supporting frame.
The powder pressing mechanism 5 is arranged above the powder bowl fixing frame 6, and the powder pressing mechanism 5 is used for pressing powder in the powder bowl 200 on the powder bowl fixing frame 6. Referring to fig. 2, the powder pressing mechanism 5 includes a connecting rod 51, a spring 52, a blocking piece 53 and a powder pressing hammer 54, the top end of the connecting rod 51 is fixedly connected to the lifting pipe 32 of the moving mechanism 3, the bottom end of the connecting rod 51 is fixedly connected to the powder pressing hammer 54, the spring 52 and the blocking piece 53 are sleeved on the connecting rod 51, the top end of the spring 52 abuts against the lifting pipe of the moving mechanism 3, the bottom end of the spring 52 is fixedly connected to the blocking piece 53, and the diameter of the blocking piece 53 is greater than that of the powder bowl 200. The support platform 12 is provided with holes for the elevator tube 32 and the connecting rod 51 to pass through, and the dust pressing hammer 54 is located below the support platform 12. When the powder is pressed, the lifting pipe 32 drives the powder pressing hammer 54 to rotate and press the powder downwards, the powder is more uniformly and flatly filled by rotating the powder pressing hammer, the powder in the powder bowl is uniformly stressed, and meanwhile, the powder is prevented from being stuck on the powder pressing hammer.
In the prior art, when a powder bowl is placed into a powder pressing device, the front face of the powder bowl cannot be ensured to face upwards, and the direction of the powder bowl can be changed to some extent in the process of pressing the powder hammer downwards, so that the powder pressing is not on the same horizontal plane. When the powder pressing device presses powder, the blocking piece 53 moves downwards along the connecting rod 51 through the spring 52, the powder pressing hammer 54 extends into the powder bowl 200 in the pressing process, the blocking plate 53 is pressed downwards through the spring 52 to press the edge of the powder bowl 200, the direction of the powder bowl 200 is corrected, the powder bowl 200 is kept horizontal, the powder bowl 200 is ensured to be vertical to the descending direction of the powder pressing hammer 54, and therefore the powder is ensured to be uniformly stressed.
The powder bowl fixing frame 6 is used for installing the powder bowl 200, the powder bowl fixing frame 6 is fixed on the supporting vertical plate 13, the powder bowl fixing frame 6 is provided with a groove capable of being inserted into the powder bowl 200, and after the powder bowl 200 is inserted into the groove of the powder bowl fixing frame 6, two sides of the powder bowl 200 are supported on the powder bowl fixing frame 6.
The inductor 7 is arranged below the powder bowl fixing frame 6, and the inductor 7 is used for inducing whether the powder bowl 200 is installed on the powder bowl fixing frame 6. Preferably, the sensor 7 is arranged at a middle position below the powder bowl fixing frame 6. Before the powder bowl 200 is installed, the sensor 7 faces the powder bowl fixing frame 6 and is in a protruding state on the supporting vertical plate 13, after the powder bowl 200 is inserted into the groove of the powder bowl fixing frame 6, one side of the powder bowl 200 close to the supporting vertical plate 13 inwards extrudes the sensor 7, the sensor 7 is pushed by the side of the powder bowl 200 and is inserted into the supporting vertical plate 13, the sensor 7 transmits a signal to the controller, and the controller controls the driving mechanism 2 to be started.
Referring to fig. 1 and 3, the powder compactor further includes a housing 100 and a top cover 110, the top cover 110 is disposed on the top of the powder compactor, the housing 100 is sleeved outside all the mechanisms, and the top cover 110 is fixedly connected with the housing 100 through screws, so as to protect and prevent dust for all the mechanisms. The housing 100 comprises a cylindrical upper part and a semi-cylindrical lower part, the cylindrical upper part is sleeved outside the supporting mechanism 1, the driving mechanism 2, the moving mechanism 3, the gear transmission mechanism 4 and the limit switch 8, and an opening of the semi-cylindrical lower part is in the same direction as a notch of the powder bowl fixing frame 6, so that the powder bowl 200 can be conveniently installed.
The current threshold of the driving mechanism is preset in the controller, the output current of the driving mechanism increases along with the increase of the pressure borne by the powder in the process of pressing the powder hammer, and the current and the pressure are in positive correlation as shown in a current and pressure relation curve chart shown in fig. 4, so that the magnitude of the pressing force can be judged by monitoring the magnitude of the current of the driving mechanism in the pressing process. When the current of the driving mechanism reaches a preset current threshold value, namely the magnitude of the downward pressure is equal to a preset pressure value, the controller controls the driving mechanism to stop working, and then the powder pressing hammer is driven to rise; the controller controls the motor to stop rotating, then the motor rotates reversely immediately to drive the powder pressing hammer to ascend, and the powder pressing process is completed, so that the same powder pressing pressure is ensured, the same taste of the brewed beverage is ensured, and the problem of different powder stress caused by different powder amount or different powder bowl shapes is effectively solved.
The working process of the powder compactor of the present embodiment is:
the powder bowl 200 filled with the coffee powder or the tea powder is arranged on the powder bowl fixing frame 6 and pushed inwards, when the powder bowl 200 reaches a designated position, the powder bowl 200 pushes the sensor 7, the sensor 7 is pushed by the powder bowl 200 and inserted into the supporting vertical plate 13, and the sensor 7 detects the powder bowl 200 and outputs a level pulse signal to the controller; the controller starts the motor, the motor runs, the motor is transmitted to the screw 31 of the movement mechanism 3 through the gear transmission mechanism 4, the screw 31 rotates, and the lifting pipe 32 in threaded connection with the screw 31 drives the powder pressing hammer 54 to rotate and descend; in the process of pressing the powder pressing hammer downwards, the edge of the blocking piece 53 is contacted with the edge of the powder bowl 200, the spring 52 applies the downward pressing force to the blocking piece 53, and the powder bowl 200 is kept horizontal and the downward pressing directions of the powder bowl 200 and the powder pressing hammer 54 are vertical in the process of pressing the powder pressing hammer 54 downwards; in the descending process of the powder pressing hammer 54, the ammeter continuously detects the output current of the motor, transmits the current to the controller and judges the pressure; when the output current reaches a preset current threshold value, namely when the pressure reaches a preset pressure value, the controller controls the motor to immediately stop rotating and then reversely rotate, the gear transmission mechanism 4 drives the screw rod 31, the screw rod 31 reversely rotates, and the lifting pipe 32 and the powder pressing hammer 54 rotate and rise; when the lifting pipe 32 rises and touches the limit switch 8, the motor stops rotating, the powder pressing hammer 54 stops rising, and the powder distributing and pressing operation is completed.
In the powder pressing process, the direction of the powder bowl 200 is corrected through the baffle plate 53, so that the level of pressed powder is ensured, and the stress of the powder is uniform; the powder pressing hammer 54 rotates and descends in the powder pressing process, so that the powder pressing force is uniform, the surface is smooth, and powder is prevented from being stuck on the powder pressing hammer; the pressure is judged by detecting the output current of the motor, so that the same powder pressing pressure and the same beverage quality are ensured every time, and the influence of the powder pressing amount and the shape of the powder bowl is avoided.
The powder compactor of the present invention is suitable for use in the compacting operation before extraction of coffee and tea leaves, but is not limited to use with coffee and tea leaves.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description herein, references to the description of the term "the present embodiment," "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and simplifications made in the spirit of the present invention are intended to be included in the scope of the present invention.
Claims (10)
1. A powder compactor, comprising: a supporting mechanism (1), a driving mechanism (2), a moving mechanism (3), a powder pressing mechanism (5), a powder bowl fixing frame (6), an inductor (7), a limit switch (8), a current meter and a controller,
the supporting mechanism (1) is used for fixing the driving mechanism (2), the moving mechanism (3), the powder pressing mechanism (5), the powder bowl fixing frame (6), the inductor (7), the limit switch (8), the ammeter and the controller,
the driving mechanism (2) is in transmission connection with the moving mechanism (3), the driving mechanism (2) is used for driving the moving mechanism (3) to drive the powder pressing mechanism (5) to lift and rotate, the ammeter is electrically connected with the driving mechanism (2),
the powder bowl fixing frame (6) is used for mounting the powder bowl (200),
the powder pressing mechanism (5) is arranged above the powder bowl fixing frame (6), the powder pressing mechanism (5) is used for pressing powder in the powder bowl (200) on the powder bowl fixing frame (6),
the inductor (7) is arranged below the powder bowl fixing frame (6), the inductor (7) is used for inducing whether the powder bowl (200) is arranged on the powder bowl fixing frame (6),
the limit switch (8) is used for limiting the rising height of the powder pressing mechanism (5),
the driving mechanism (2), the inductor (7), the limit switch (8) and the ammeter are in communication connection with the controller respectively.
2. The powder compactor according to claim 1, wherein the powder compacting mechanism (5) comprises a connecting rod (51), a spring (52), a blocking piece (53) and a powder compacting hammer (54), the top end of the connecting rod (51) is fixedly connected with the moving mechanism (3), the bottom end of the connecting rod (51) is fixedly connected with the powder compacting hammer (54), the spring (52) and the blocking piece (53) are sleeved on the connecting rod (51), the top end of the spring (52) abuts against the moving mechanism (3), the bottom end of the spring (52) is fixedly connected with the blocking piece (53), and the diameter of the blocking piece (53) is larger than that of the powder bowl (200).
3. The powder compactor according to claim 1, wherein the movement mechanism (3) comprises a screw (31) and an elevator tube (32), the screw (31) is in transmission connection with the driving mechanism (1), the elevator tube (32) is provided with internal threads, the elevator tube (32) is in threaded connection with the screw (31), the bottom of the elevator tube (32) is fixedly connected with the powder compacting mechanism (5), and the limit switch (8) is arranged above the elevator tube (32).
4. The powder compactor according to claim 3, further comprising a guide mechanism (10), wherein the guide mechanism (10) is fixed on the support mechanism (1), the guide mechanism (10) is provided with a first through hole (101) for the screw (31) to pass through and a second through hole (102) for the lifting tube (32) to pass through, and the second through hole (102) is used for limiting the lifting tube to move up and down.
5. Powder compactor according to claim 1, characterized in that the drive mechanism (2) is in driving connection with the movement mechanism (3) via a gear transmission (4), the gear transmission (4) comprising a first gear (41) and a second gear (42), the first gear (41) being fixedly connected with the drive mechanism (2), the second gear (42) being fixedly connected with the movement mechanism (3), the first gear (41) and the second gear (42) being in mesh.
6. The powder compactor according to claim 1, wherein the drive mechanism (2) is in driving connection with the movement mechanism (3) via a gear transmission mechanism (4), the gear transmission mechanism (4) comprises a first gear (41) and a second gear (42), the first gear (41) is fixedly connected with the drive mechanism (2), the second gear (42) is fixedly connected with the movement mechanism (3), the powder compactor further comprises a speed change gear set (9), the speed change gear set (9) is arranged between the first gear (41) and the second gear (42), the speed change gear set (9) comprises a third gear (91), a fourth gear (92) and an intermediate shaft, the third gear (91) and the fourth gear (92) are fixed on the intermediate shaft, and the intermediate shaft is in rotational connection with the support mechanism (1), the third gear (91) is meshed with the first gear (41), the fourth gear (92) is meshed with the second gear (42), and the number of teeth of the third gear (91) is greater than that of the fourth gear (92).
7. The powder compactor according to claim 5 or 6, characterized in that the movement mechanism (3) is fixedly connected with the second gear (42) through a connecting shaft (33), the second gear (42) is fixed on the connecting shaft (33), the bottom end of the connecting shaft (33) is fixedly connected with the movement mechanism (3), and the connecting shaft (33) is rotatably connected with the support mechanism (1).
8. Powder compactor according to claim 5 or 6, characterized in that the drive mechanism (2) comprises a motor, the ammeter is electrically connected to the motor, the first gear (41) is fixed to the motor shaft of the motor, which is rotationally connected to the support mechanism (1).
9. Powder compactor according to claim 8, characterized in that the motor shaft of the motor is parallel to the axial direction of the movement mechanism (3).
10. The powder compactor according to claim 1, wherein the support mechanism (1) comprises a support frame (11), a support platform (12), a support vertical plate (13) and a support base (14), the support frame (11) is fixed on the support platform (12), the support vertical plate (13) is arranged below the support platform (12), and the support vertical plate (13) is fixed between the support platform (12) and the support base (14); the powder pressing device is characterized in that the driving mechanism (2), the moving mechanism (3), the limit switch (8), the ammeter and the controller are fixed on the support frame (11), the connection part of the powder pressing mechanism (5) and the moving mechanism (3) penetrates through the support platform (12), the powder pressing mechanism (5) presses powder below the support platform (12), and the powder bowl fixing frame (11) and the inductor (7) are fixed on the support vertical plate (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010388919.8A CN111493665A (en) | 2020-05-09 | 2020-05-09 | Powder pressing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010388919.8A CN111493665A (en) | 2020-05-09 | 2020-05-09 | Powder pressing device |
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| Publication Number | Publication Date |
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| CN111493665A true CN111493665A (en) | 2020-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010388919.8A Pending CN111493665A (en) | 2020-05-09 | 2020-05-09 | Powder pressing device |
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| CN (1) | CN111493665A (en) |
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| CN115153304A (en) * | 2022-07-22 | 2022-10-11 | 广东新宝电器股份有限公司 | Automatic powder pressing assembly, brewing system and bean grinding coffee machine |
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