CN112678260A - Weighing and dispensing device, weighing and dispensing method, and computer-readable storage medium - Google Patents
Weighing and dispensing device, weighing and dispensing method, and computer-readable storage medium Download PDFInfo
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- CN112678260A CN112678260A CN202110019994.1A CN202110019994A CN112678260A CN 112678260 A CN112678260 A CN 112678260A CN 202110019994 A CN202110019994 A CN 202110019994A CN 112678260 A CN112678260 A CN 112678260A
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Abstract
The invention discloses a weighing distribution device, a weighing distribution method and a computer readable storage medium. Wherein, the weighing and distributing device includes: the material receiving box is provided with a material receiving cavity, the top of the material receiving cavity is provided with a first opening, and the bottom of the material receiving cavity is provided with a second opening; the material distributing part is arranged at the second opening and is used for supporting the materials in the material receiving cavity; the stepping motor is provided with a motor shaft which is connected to the distributing part, and the motor shaft is used for controlling the distributing part to rotate so as to close or open the second opening; the controller is connected to the stepping motor and used for acquiring the current value of the stepping motor and the deflection angle value of a motor shaft and obtaining the weight value of the material in the material receiving cavity according to the current value and the deflection angle value; when the weight value reaches a preset value, the controller controls the motor shaft to rotate so that the material distributing part opens the second opening. Through using this weighing and distributing device, need not weighing sensor and just can realize weighing and the distribution of material, it is more simple and convenient.
Description
Technical Field
The present invention relates to the field of metering and dispensing, and more particularly, to a weighing and dispensing apparatus, a weighing and dispensing method, and a computer-readable storage medium.
Background
With the development of modern industry and the living needs of people, metering and distributing technology is widely applied to the production and processing processes in various fields. At present, the weighing and the distribution of materials are usually completed by matching a weighing sensor and a distribution device, but the device has a complex structure and is not easy and convenient to operate.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a weighing and distributing device, a weighing and distributing method and a computer readable storage medium, which can simply and conveniently finish weighing and distributing.
In a first aspect, an embodiment of the present invention provides a weighing and dispensing device, including: the material receiving box is provided with a material receiving cavity, the top of the material receiving cavity is provided with a first opening, and the bottom of the material receiving cavity is provided with a second opening; the material distributing part is arranged at the second opening and used for supporting the materials in the material receiving cavity; the stepping motor is provided with a motor shaft which is connected to the distributing part and is used for controlling the distributing part to rotate so as to close or open the second opening; the controller is connected to the stepping motor and used for obtaining a current value of the stepping motor and a deflection angle value of a motor shaft and obtaining a weight value of the material in the material receiving cavity according to the current value and the deflection angle value; when the weight value reaches a preset value, the controller controls the motor shaft to rotate so that the distributing part opens the second opening.
The weighing and dispensing device according to the embodiment of the first aspect of the invention has at least the following advantages:
when the weighing and distributing device is used, materials enter the material receiving box from the first opening of the material receiving cavity and then fall on the material distributing part for supporting the materials, and the controller controls the material distributing part to close or open the second opening of the material receiving cavity by controlling the motor shaft because the material distributing part is connected with the motor shaft, so that the weighing and distributing operation is realized. Through using this weighing and distributing device, need not weighing sensor and just can realize weighing and the distribution of material, simple structure, convenient to use.
According to some embodiments of the first aspect of the present invention, the weighing and dispensing device further comprises a discharge hopper provided with a discharge hole corresponding to the first opening.
Set up the unloading funnel, can more conveniently put into the material receiving box with the material from first opening to reduce spilling of blowing in-process material, thereby reduce cost, improve the convenience that the device used.
According to some embodiments of the first aspect of the present invention, the motor shaft includes a first motor shaft and a second motor shaft, the material dividing member includes a first material dividing member and a second material dividing member, the first material dividing member is connected to the first motor shaft, the second material dividing member is connected to the second motor shaft, and the stepping motor controls the first material dividing member to rotate around the first motor shaft and the second material dividing member to rotate around the second motor shaft to close or open the second opening.
Set up first branch material spare and rotate around first motor shaft and second branch material spare and rotate around the second motor shaft in order to seal or open the second opening, can make the distance between the distributor that will fall into after material receiving box and the material distribution reduce for material distributor's kind selection is wider, and adaptability is stronger.
According to some embodiments of the first aspect of the present invention, the weighing and dispensing device further comprises a synchronization mechanism, the synchronization mechanism is respectively connected with the first motor shaft and the second motor shaft, and the synchronization mechanism is used for controlling the first motor shaft and the second motor shaft to synchronously rotate.
Set up lazytongs, can make first branch material spare and second divide the synchronous rotation of material spare for the material falls into distributor's process more smooth, and it is more convenient to use.
In a second aspect, an embodiment of the present invention provides a weighing and distributing method, which is applied to a controller of a weighing and distributing device, wherein the weighing and distributing device includes a material receiving box, a stepping motor and a material distributing part, the material receiving box is provided with a material receiving cavity, the top of the material receiving cavity is provided with a first opening, the bottom of the material receiving cavity is provided with a second opening, the material distributing part is installed at the second opening, the material distributing part is used for supporting materials in the material receiving cavity, the stepping motor is provided with a motor shaft used for being connected to the material distributing part, the motor shaft is used for controlling the material distributing part to close or open the second opening, and the controller is connected to the stepping motor;
the weighing distribution method comprises the following steps:
acquiring a current value of the stepping motor and a deflection angle value of a motor shaft;
obtaining the weight value of the material in the material receiving cavity according to the current value and the deflection angle value;
when the weight value reaches a preset value, the motor shaft is controlled to rotate so that the distributing part opens the second opening.
The weighing and distributing method according to the embodiment of the second aspect of the invention has at least the following advantages:
when the weighing and distributing method is used, materials enter the material receiving box from the first opening of the material receiving cavity, acting force is generated on a material distributing part for supporting the materials, the motor shaft is connected with the material distributing part, an angle deviation can be generated after the motor shaft is weighted, then the weight value of the materials in the material receiving cavity can be calculated according to the angle deviation value and the current value of the stepping motor, and the controller controls the motor shaft to rotate so that the material distributing part rotates to open the second opening of the material receiving cavity according to the relation between the weight value and the preset value, so that the weighing and distributing operation of the materials is realized. By using the weighing and distributing method, the weighing and distributing of the materials can be realized without a weighing sensor, so that the structure of the device is simplified, and the production cost of the device is reduced.
According to some embodiments of the second aspect of the present invention, the obtaining a weight value of the material in the material receiving cavity according to the current value and the deflection angle value includes:
obtaining a moment applied to the motor shaft according to the current value and the deflection angle value;
and obtaining the weight value of the material in the material receiving cavity according to the moment.
According to some embodiments of the second aspect of the present invention, the current value is a stable holding current value.
The stable holding current value is used for calculation, so that the calculation result is more accurate.
According to some embodiments of the second aspect of the invention, the moment is determined according to the following equation:
T＝k*I*Sinα
wherein, T is the torque, I is the current value, and alpha is the deflection angle value.
According to some embodiments of the second aspect of the present invention, the distributing member is provided with a first side connected to the motor shaft and a second side opposite to the first side, and the weight value is determined according to the following formula:
F＝T/L
wherein, F is the weight value, L is the first side with the distance value between the second side.
In a third aspect, the present invention further provides a computer-readable storage medium, where computer-executable instructions are stored, and the computer-executable instructions are configured to cause a computer to execute the weighing and distributing method according to the second aspect.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
Additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic view of a weighing and dispensing apparatus according to an embodiment of the first aspect of the present invention;
FIG. 2 is a schematic view of a portion of the internal structure of a weighing and dispensing apparatus according to an embodiment of the first aspect of the present invention;
FIG. 3 is a partial internal schematic view of another perspective of a weigh dispensing apparatus in accordance with an embodiment of the first aspect of the present invention;
FIG. 4 is a flow chart of a weigh distribution method according to an embodiment of the second aspect of the present invention;
fig. 5 is a flowchart of a weighing distribution method according to another embodiment of the second aspect of the present invention.
Reference numerals:
a material receiving box 100; a stepping motor 200; a distributing member 300; a blanking hopper 400;
a first opening 110; a second opening 120; a motor shaft 210; a synchronization mechanism 220; a first depiler member 310; a second divider member 320;
a first motor shaft 211; a second motor shaft 212.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of 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 thus, should not be construed as limiting the present invention.
In the description of the present invention, if there are first and second described only for the purpose of distinguishing technical features, it is not understood that relative importance is indicated or implied or that the number of indicated technical features or the precedence of the indicated technical features is implicitly indicated or implied.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
The embodiments of the present invention will be further explained with reference to the drawings.
In a first aspect, an embodiment of the present invention provides a weighing and dispensing device.
Referring to fig. 1 and 2, the weighing and dispensing apparatus includes: the receiving box 100, the material distributing part 300, the stepping motor 200 and the controller (not shown in the figure). The receiving box 100 is provided with a receiving cavity, the top of the receiving cavity is provided with a first opening 110, and the bottom of the receiving cavity is provided with a second opening 120; the material distributing part 300 is installed at the second opening 120, and the material distributing part 300 is used for supporting materials in the material receiving cavity; the stepping motor 200 is provided with a motor shaft 210 for connecting to the distributing member 300, and the motor shaft 210 is used for controlling the distributing member 300 to rotate to close or open the second opening 120; the controller is connected to the stepping motor 200 and is used for acquiring the current value of the stepping motor 200 and the deflection angle value of the motor shaft and acquiring the weight value of the material in the material receiving cavity according to the current value and the deflection angle value; when the weight value reaches a preset value, the controller controls the motor shaft to rotate so that the distributing member 300 opens the second opening 120. When the weighing and distributing device is used, materials enter the material receiving box 100 from the first opening 110 of the material receiving cavity and then fall on the material distributing part 300 for supporting the materials, and the material distributing part 300 is connected with the motor shaft 210, so that the controller controls the material distributing part 300 to close or open the second opening 120 of the material receiving cavity by controlling the motor shaft 210, and weighing and distributing operation is realized. Through using this weighing and distributing device, need not weighing sensor and just can realize weighing and the distribution of material, simple structure, convenient to use.
Referring to fig. 1, the weighing and dispensing device further includes a discharging hopper 400, and the discharging hopper 400 is provided with a discharging hole (not shown) corresponding to the first opening 110. The blanking funnel 400 is arranged, so that materials can be more conveniently placed into the material receiving box 100, the spilling of the materials in the material placing process is reduced, the cost is reduced, and the use convenience of the device is improved.
It should be noted that the blanking funnel 400 may be a square funnel, a circular funnel, a trapezoid funnel, etc., and this embodiment is not limited thereto.
Referring to fig. 2 and 3, the motor shaft 210 includes a first motor shaft 211 and a second motor shaft 212, the material dividing member 300 includes a first material dividing member 310 and a second material dividing member 320, the first material dividing member 310 is connected to the first motor shaft 211, the second material dividing member 320 is connected to the second motor shaft 212, and the stepping motor 200 controls the first material dividing member 310 to rotate around the first motor shaft 211 and the second material dividing member 320 to rotate around the second motor shaft 212 to close or open the second opening 120. The first material distributing part 310 is arranged to rotate around the first motor shaft 211 and the second material distributing part 320 rotates around the second motor shaft 212 to close or open the second opening 120, so that the distance between the material receiving box 100 and a distributing device to be dropped after the materials are distributed can be reduced, the variety selection of the material distributing device is wider, and the adaptability is stronger.
It should be noted that, the second opening 120 of the receiving chamber can also be connected to only one motor shaft 210, and a material distributing member 300 with a size larger than or equal to that of the second opening 120 is controlled to rotate to close or open the second opening 120. It will be appreciated that with a motor shaft 210 and a dispensing member 300, the distance between the receiving capsule 100 and the dispensing device into which the material is dispensed is relatively large.
Referring to fig. 1 to 3, the weighing and dispensing device further includes a synchronizing mechanism 220, the synchronizing mechanism 220 is respectively connected to the first motor shaft 211 and the second motor shaft 212, and the synchronizing mechanism 220 is used for controlling the first motor shaft 211 and the second motor shaft 212 to rotate synchronously. Through setting up lazytongs 220, can make first branch material 310 and second branch material 320 synchronous rotation for the process that the material fell into the distributor is more smooth, and it is more convenient to use.
It should be noted that the synchronizing mechanism 220 may be a connecting rod or a gear, and the first motor shaft 211 and the second motor shaft 212 may be rotated synchronously, which is not limited in this embodiment.
In a second aspect, an embodiment of the present invention provides a weighing and distributing method.
Referring to fig. 4, the weighing distribution method is applied to a controller of a weighing distribution device, the weighing distribution device comprises a material receiving box, a stepping motor and a material distributing part, the material receiving box is provided with a material receiving cavity, the top of the material receiving cavity is provided with a first opening, the bottom of the material receiving cavity is provided with a second opening, the material distributing part is installed at the second opening and is used for supporting materials in the material receiving cavity, the stepping motor is provided with a motor shaft used for being connected to the material distributing part, the motor shaft is used for controlling the material distributing part to close or open the second opening, and the controller is connected to the stepping motor; the method includes, but is not limited to, step S100, step S200, and step S300.
Step S100: and acquiring the current value of the stepping motor and the deflection angle value of the motor shaft.
The current value of the stepping motor is obtained, and the current value can be an instant current value, can also be a holding current value, and also can be an angle deflection value of the motor shaft.
Step S200: and obtaining the weight value of the material in the material receiving cavity according to the current value and the deflection angle value.
Step S300: when the weight value reaches a preset value, the motor shaft is controlled to rotate so that the material distributing part opens the second opening.
When the weight value reaches a preset value, the controller controls the motor shaft to rotate so that the material distributing part opens the second opening; when the weight value is smaller than the preset value, the material distributing part is not moved, so that the control device realizes the weighing and distributing operation.
When the weighing and distributing method is used, materials enter the material receiving box from the first opening of the material receiving cavity, acting force is generated on a material distributing part for supporting the materials, the motor shaft is connected with the material distributing part, an angle deviation can be generated after the motor shaft is weighted, then the weight value of the materials in the material receiving cavity can be calculated according to the angle deviation value and the current value of the stepping motor, and the controller controls the motor shaft to rotate so that the material distributing part rotates to open the second opening of the material receiving cavity according to the relation between the weight value and the preset value, so that the weighing and distributing operation of the materials is realized. By using the weighing and distributing method, the weighing and distributing of the materials can be realized without a weighing sensor, so that the structure of the device is simplified, and the production cost of the device is reduced.
It can be understood that the current value is a stable holding current value. The stable holding current value is used for calculation, so that the calculation result is more accurate, and the weighing and dispensing operation of the device is more accurate and stable.
Referring to fig. 5, step S200 may specifically include, but is not limited to, step S210 and step S220.
Step S210: and obtaining the moment applied to the motor shaft according to the current value and the deflection angle value.
Step S220: and obtaining the weight value of the material in the material receiving cavity according to the moment.
It should be noted that the torque is determined according to the following formula:
T＝k*I*Sinα
wherein T is torque, I is current value, and alpha is deflection angle value.
It should be noted that, the distributing member 300 is provided with a first side connected to the motor shaft and a second side opposite to the first side, and the weight value is determined according to the following formula:
F＝T/L
wherein, F is the weight value, and L is the distance value between first side and the second side.
It can be understood that the torque T of the stepping motor and the holding current I are in an approximately linear relationship, and the slope k can be obtained according to the linear relationship, and then the value of the torque T can be obtained according to the sine value of the deflection angle α of the motor shaft. And then, calculating to obtain a weight value F of the material according to the torque T and the distance value L between the first side edge and the second side edge of the material distribution piece.
In a third aspect, the present invention further provides a computer-readable storage medium, where computer-executable instructions are stored, and the computer-executable instructions are configured to cause a computer to execute the method for weighing and distributing according to the second aspect.
One of ordinary skill in the art will appreciate that all or some of the steps, systems, and methods disclosed above may be implemented as software, firmware, hardware, and suitable combinations thereof. Some or all of the physical components may be implemented as software executed by a processor, such as a central processing unit, digital signal processor, or microprocessor, or as hardware, or as an integrated circuit, such as an application specific integrated circuit. Such software may be distributed on computer readable media, which may include computer storage media (or non-transitory media) and communication media (or transitory media). The term computer storage media includes volatile and nonvolatile, removable and non-removable media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules or other data, as is well known to those of ordinary skill in the art. Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, Digital Versatile Disks (DVD) or other optical disk storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to store the desired information and which can accessed by a computer. In addition, communication media typically embodies computer readable instructions, data structures, program modules or other data in a modulated data signal such as a carrier wave or other transport mechanism and includes any information delivery media as known to those skilled in the art.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (10)
1. A weigh dispensing apparatus, comprising:
the material receiving box is provided with a material receiving cavity, the top of the material receiving cavity is provided with a first opening, and the bottom of the material receiving cavity is provided with a second opening;
the material distributing part is arranged at the second opening and used for supporting the materials in the material receiving cavity;
the stepping motor is provided with a motor shaft connected to the distributing part, and the motor shaft is used for controlling the distributing part to rotate so as to close or open the second opening;
the controller is connected to the stepping motor and used for obtaining a current value of the stepping motor and a deflection angle value of a motor shaft and obtaining a weight value of the material in the material receiving cavity according to the current value and the deflection angle value; when the weight value reaches a preset value, the controller controls the motor shaft to rotate so that the distributing part opens the second opening.
2. The weigh dispensing apparatus of claim 1, further comprising a discharge hopper, said discharge hopper being provided with a discharge aperture corresponding to said first opening.
3. The weigh dispensing apparatus of claim 1 wherein said motor shaft includes a first motor shaft and a second motor shaft, said material divider including a first material divider and a second material divider, said first material divider coupled to said first motor shaft and said second material divider coupled to said second motor shaft, said stepper motor controlling rotation of said first material divider about said first motor shaft and rotation of said second material divider about said second motor shaft to close or open said second opening.
4. The weigh dispensing apparatus of claim 3, further comprising a synchronizing mechanism coupled to said first motor shaft and said second motor shaft, respectively, said synchronizing mechanism for controlling the synchronous rotation of said first motor shaft and said second motor shaft.
5. A weighing distribution method is characterized in that the weighing distribution method is applied to a controller of a weighing distribution device, the weighing distribution device comprises a material receiving box, a stepping motor and a material distributing part, the material receiving box is provided with a material receiving cavity, the top of the material receiving cavity is provided with a first opening, the bottom of the material receiving cavity is provided with a second opening, the material distributing part is installed at the second opening and used for supporting materials in the material receiving cavity, the stepping motor is provided with a motor shaft used for being connected to the material distributing part, the motor shaft is used for controlling the material distributing part to rotate so as to close or open the second opening, and the controller is connected to the stepping motor;
the weighing distribution method comprises the following steps:
acquiring a current value of the stepping motor and a deflection angle value of a motor shaft;
obtaining the weight value of the material in the material receiving cavity according to the current value and the deflection angle value;
when the weight value reaches a preset value, the motor shaft is controlled to rotate so that the distributing part opens the second opening.
6. The weighing and distributing method according to claim 5, wherein the obtaining of the weight value of the material in the material receiving cavity according to the current value and the deflection value comprises:
obtaining a moment applied to the motor shaft according to the current value and the deflection angle value;
and obtaining the weight value of the material in the material receiving cavity according to the moment.
7. The method of claim 5, wherein the current value is a steady holding current value.
8. The method of claim 6 wherein the torque is determined according to the formula:
T＝k*I*Sinα
wherein, T is the torque, I is the current value, and alpha is the deflection angle value.
9. The method of claim 8, wherein the distributing member is provided with a first side connected to the motor shaft and a second side opposite to the first side, and the weight value is determined according to the following formula:
F＝T/L
wherein, F is the weight value, L is the first side with the distance value between the second side.
10. A computer-readable storage medium storing computer-executable instructions for performing the method of any of claims 5 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110019994.1A CN112678260A (en) | 2021-01-07 | 2021-01-07 | Weighing and dispensing device, weighing and dispensing method, and computer-readable storage medium |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110019994.1A CN112678260A (en) | 2021-01-07 | 2021-01-07 | Weighing and dispensing device, weighing and dispensing method, and computer-readable storage medium |
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| CN112678260A true CN112678260A (en) | 2021-04-20 |
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| CN202110019994.1A Pending CN112678260A (en) | 2021-01-07 | 2021-01-07 | Weighing and dispensing device, weighing and dispensing method, and computer-readable storage medium |
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| CN113548255A (en) * | 2021-07-19 | 2021-10-26 | 青岛科技大学 | Automatic production line for candy packaging |
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