CN211349474U - Drive mechanism and automatic vending machine - Google Patents
Drive mechanism and automatic vending machine Download PDFInfo
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- CN211349474U CN211349474U CN201922488667.1U CN201922488667U CN211349474U CN 211349474 U CN211349474 U CN 211349474U CN 201922488667 U CN201922488667 U CN 201922488667U CN 211349474 U CN211349474 U CN 211349474U
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Abstract
The utility model discloses an actuating mechanism and automatic vending machine, this actuating mechanism includes the motor, the output gear of being made by non-magnetism proof material, signal isolating device, magnetic part and magnetic induction system, the motor is connected with output gear drive, output gear sets up between magnetic part and magnetic induction system, during output gear rotates, output gear is first toroidal surface through the toroidal surface of magnetic part position, signal isolating device installs on output gear, and cover the first toroidal surface of portion, signal isolating device is used for separating the magnetic field between magnetic part and the magnetic induction system when passing through the magnetic part position. The utility model provides an actuating mechanism through set up signal isolating device on output gear, at the rotatory in-process of output gear, magnetic induction system can sense the magnetic field of magnetic part at intervals to convert magnetic signal into the induced signal output, at this in-process, the magnetic part does not take place to rotate, thereby avoids the magnetic part to drop, has improved actuating mechanism's reliability.
Description
Technical Field
The utility model relates to automatic sell the field, especially involve a actuating mechanism and automatic vending machine.
Background
With the progress of society, people's shopping mode also changes along with it, and people's life is being got into to unmanned automatic selling shopping mode, has made things convenient for people's daily life greatly.
The general principle of the existing vending machine is as follows: the user drops into cash and sells the machine, perhaps sweep the sign indicating number and pay specific amount of money after, press the button of required article, the drive device who corresponds the position at article subsequently starts work, the last motor of drive device drives the output shaft and carries out work, it generates sensing signal to correspond signal induction structure, in order to discern the number of rotations of output rotation axis, finally make article pop out from the goods way of automatic vending machine, and along with transfer passage, carry article to corresponding collection space, supply the user to take, thereby accomplish the action that the user bought article.
In the prior art, work is accomplished by the following driving structure:
the output shaft is provided with a magnet at one or more positions, the circuit board is provided with a Hall, and a signal is provided for a host machine by utilizing the Hall effect to identify one rotation of the output shaft.
The prior art has at least the following defects:
1. the magnet is adhered to the output shaft and rotates with the output shaft as a rotating part, and when the rotating speed is too high, the magnet and the output shaft are easy to separate and fall off under the action of centrifugal force, so that the reliability is poor.
2. The plurality of magnets are arranged at the same time, and signals are easily identified by mistake due to magnetic field interference between the magnets.
Therefore, the above technical defects of the prior art need to be solved.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims at providing a actuating mechanism and automatic vending machine, aim at solving among the current drive device insecure problem of magnet and output shaft.
In view of this, the utility model provides a driving mechanism and vending machine, this driving mechanism include the motor, by output gear, signal isolating device, magnetic part and the magnetic induction device that non-magnetism proof material made, the motor with output gear transmission is connected, output gear sets up magnetic part with between the magnetic induction device, when output gear rotates, output gear passes through the toroidal surface of magnetic part position is first toroidal surface, signal isolating device installs on output gear, and covers part first toroidal surface, signal isolating device is used for separating when passing through the magnetic part position magnetic field between magnetic part and the magnetic induction device.
Further, the magnetic induction device is arranged right above the magnetic piece.
Further, including motor gear and at least one reduction gear, motor gear installs on the motor, the motor drives motor gear rotates, output gear pass through reduction gear with motor gear transmission is connected.
Furthermore, the signal isolation devices are provided with at least one, and when the signal isolation devices are multiple, the signal isolation devices are uniformly distributed on the output gear.
Further, the signal isolation device is pressed on or cast in the output gear.
Further, the signal isolation device is a plate made of a magnetic conductive material.
Further, the magnetic conductive material is steel.
Further, the magnetic induction device is a hall sensor.
Further, the magnetic piece is a magnetic block.
The utility model also provides an automatic vending machine, this automatic vending machine include above-mentioned actuating mechanism, signal transmission circuit and signal processing chip, actuating mechanism passes through signal transmission circuit with the communication of signal processing chip is connected, the induction signal that magnetic induction system produced, through signal transmission circuit transmits extremely the signal processing chip.
The utility model provides an actuating mechanism and automatic vending machine, the utility model provides an actuating mechanism through set up signal isolating device on output gear, at the rotatory in-process of output gear, magnetic induction system can sense the magnetic field of magnetic part at an interval to convert magnetic signal into the inductive signal output, at this in-process, the magnetic part does not take place to rotate, thereby avoids the magnetic part to drop, has improved actuating mechanism's reliability.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the driving mechanism of the present invention;
fig. 2 is a schematic structural view of an embodiment of a reduction gear in the driving mechanism of the present invention;
fig. 3 is a schematic structural diagram of an embodiment of an output gear in the driving mechanism of the present invention.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It will be understood by those within the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
Referring to fig. 1 and 3, the utility model provides a driving mechanism includes motor 5, output gear 1 made by non-magnetic isolation material, signal isolating device 4, magnetic part 2 and magnetic induction system 3, motor 5 is connected with output gear 1 transmission, output gear 1 sets up between magnetic part 2 and magnetic induction system 3, when output gear 1 rotates, output gear 1 is first toroidal surface through the toroidal surface of magnetic part 2 position, signal isolating device 4 installs on output gear 1, and covers the first toroidal surface of portion, signal isolating device 4 is used for passing through separate the magnetic field between magnetic part 2 and the magnetic induction system 3 during the magnetic part 2 position, wherein the material of output gear 1 can select for use plastics or other non-magnetic isolation's alloy material.
In the present embodiment, the driving mechanism further comprises a cover plate, a gear box and a circuit board, the cover plate is covered on one side of the gear box in a matching manner, the circuit board is fixedly connected with the gear box through screws, the magnetic induction device 3 is fixedly connected with the circuit board, the magnetic element 2 is fixed on the cover plate, the output gear 1 is arranged in the gear box and is rotatably connected with the gear box, in the above structure, the motor 5 is controlled by an external control circuit to rotate, the output gear 1 is driven to rotate through the rotation of the motor 5, because the signal isolation device 4 is installed on the output gear 1, and the signal isolation device 4 covers a part of the first annular surface, the signal isolation device 4 rotates to a position between the magnetic element 2 and the magnetic induction device 3 along with the rotation of the output gear 1, at this time, the signal isolation device 4 isolates the magnetic field generated by the magnetic element 2 from the magnetic, the magnetic induction device 3 cannot induce a magnetic field, so that an induction signal cannot be generated; as the output gear 1 continues to rotate, the signal isolation device 4 deviates from the positions of the magnetic member 2 and the magnetic induction device 3, and at this time, the magnetic induction device 3 can induce the magnetic field of the magnetic member 2, so as to generate an induction signal. In the signal generating process, because the magnetic part 2 is fixed, the magnetic part 2 does not rotate along with the rotation of the output gear 1, so that the magnetic part 2 can be prevented from falling off due to centrifugal action, and the reliability of the driving mechanism is improved. Additionally, the utility model discloses do not adopt a plurality of magnetism spare 2 to realize signal generation, but make magnetic induction system 3 sense the magnetic field of magnetism spare 2 discontinuously through signal isolating device 4 to this forms induction signal, has avoided leading to induction signal to appear wrong condition emergence because of magnetic field intensity mutual interference between a plurality of magnetism spare 2.
In this embodiment, the output gear 1 includes a first annular groove 11 and a second annular groove 12, the first annular groove 11 is disposed on the upper surface of the output gear 1, the second annular groove 12 is disposed on the lower surface of the output gear 1, the positions of the first annular groove 11 and the second annular groove 12 correspond to each other, the magnetic induction device 3 is disposed in the first annular groove 11, the magnetic member 2 is disposed in the second annular groove 12, and the signal isolation device 4 is disposed on the first annular groove 11 or the second annular groove 12. A first annular groove 11 and a second annular groove 12 are provided on the upper limit surface of the output gear 1 for accommodating the magnetic induction device 3 and the magnetic member 2, so that the entire drive mechanism is more compact in structure.
Alternatively, in the present embodiment, the magnetic induction device 3 is disposed directly above the magnetic member 2, and when the signal isolation device 4 rotates to a specific position, the signal isolation device 4 plays a role of isolating the magnetic field, and the specific position is a position where the projections of the magnetic member 2, the magnetic induction device 3, and the signal isolation device 4 coincide in the vertical direction. Because magnetic induction system 3 sets up directly over magnetic part 2 for be in the most ideal position between the two, through such structure setting, magnetic induction system 3 can sense the 2 biggest magnetic field intensity of magnetic part, and magnetic induction system 3 is the most sensitive to the magnetic induction of magnetic part 2 this moment, thereby can produce fine promotion effect to the stable induction signal of output.
Optionally, referring to fig. 2, the driving mechanism further includes a motor gear 6 and at least one reduction gear, the motor gear 6 is mounted on the motor 5, the motor 5 drives the motor gear 6 to rotate, and the output gear 1 is in gear transmission connection with the motor 5 through the reduction gear. The rotating speed of the output gear 1 generally only needs to be kept between 5 and 30r/min, induction signals can be normally output, and as the rated rotating speed of the motor 5 on the market is generally over 500r/min, the reduction gear is arranged to be connected with the motor 5 and the output gear 1, the rotating speed of the motor 5 after being transmitted to the output gear 1 can be reduced in a ratio to match the rotating speed requirement of the output gear 1, and in addition, the reduction gear can also improve the torque of a driving mechanism.
In the present embodiment, the reduction gears include a first reduction gear 7, a second reduction gear, a third reduction gear 8, a fourth reduction gear 9, a fifth reduction gear 10, and a sixth reduction gear, wherein the first reduction gear 7 and the second reduction gear are coaxially and fixedly connected, the tooth number of the first reduction gear 7 is larger than that of the second reduction gear, the third reduction gear 8 and the fourth reduction gear 9 are coaxially and fixedly connected, and the number of teeth of the third reduction gear 8 is larger than that of the fourth reduction gear 9, the fifth reduction gear 10 and the sixth reduction gear are coaxially and fixedly connected, and the number of teeth of the fifth reduction gear 10 is greater than that of the sixth reduction gear, the first reduction gear 7 is meshed with the motor gear 6, the second reduction gear is meshed with the third reduction gear 8, the fourth reduction gear 9 is meshed with the fifth reduction gear 10, and the sixth reduction gear is meshed with the output gear 1. By the meshing connection between the above plurality of reduction gears, the rotation speed of the motor 5 after being transmitted to the output gear 1 is reduced in a ratio.
Alternatively, referring to fig. 3, the signal isolation devices 4 are provided with at least one, and when the signal isolation devices 4 are plural, the signal isolation devices 4 are uniformly distributed on the output gear 1. Specifically, when there is one signal isolation device 4, the signal isolation device can be arranged at any position of the first annular surface of the output gear 1, and when there are more than two signal isolation devices 4, the signal isolation devices are uniformly distributed on the first annular surface of the output gear 1 in the form of an annular matrix. The signal isolation devices 4 are provided on the output gear 1 and can output a plurality of sensing signals when the output gear 1 rotates one revolution. For example, when there are three signal isolation devices 4, three sensing signals can be output by one rotation of the output gear 1. In other embodiments, when there are a plurality of signal isolation devices 4, the signal isolation devices 4 may also be unevenly distributed on the output gear 1, and the technician may set the signal isolation devices according to actual needs.
In the present embodiment, the signal isolation device 4 is press-fitted or insert-cast on the output gear 1. The signal isolation device 4 as a rotating component rotates along with the rotation of the output gear 1, and is acted by centrifugal force during the rotation process, and the signal isolation device 4 is fixedly installed on the output gear 1 by means of press fitting or insert casting, so that the signal isolation device and the output gear can be firmly connected, and the structural strength is improved.
In the present embodiment, the signal isolation device 4 is a plate made of a magnetic conductive material. The magnetic conductive material can shift the magnetic field generated by the magnetic element 2, and actually "guide" the magnetic force lines to make the magnetic force lines deviate from the position where the magnetic force lines need to be shielded, thereby achieving the purpose of magnetic isolation. The materials commonly used for magnetic isolation include iron, nickel, iron-carbon alloy, permalloy (iron-nickel alloy), and ferrite materials, the magnetic conductive material in this embodiment is a steel plate (i.e., an iron-carbon alloy with a carbon content of 0.02 to 2.11 mass%), preferably soft magnetic materials such as low carbon steel and silicon steel sheet, the steel has a wide source and a low price, and has high hardness and corrosion resistance relative to iron, and the material is most preferably used as the material of the signal isolation device 4 in this embodiment, and the steel can withstand the pressure and temperature caused by press mounting or insert casting.
Alternatively, the magnetic induction device 3 is a hall sensor. The hall sensor is a magnetic field sensor made according to the hall effect, and its principle is that there is a hall semiconductor fin in the magnetic field, and a constant current I passes through the hall semiconductor fin from one side. Under the action of lorentz force, the electron current of I is deflected to the other side when passing through the hall semiconductor, so that a potential difference is generated in the direction of the other side of the hall semiconductor chip, which is called hall voltage. The Hall voltage changes along with the change of the magnetic field intensity, the stronger the magnetic field, the higher the voltage, the weaker the magnetic field, the lower the voltage, the small Hall voltage value, usually only a few millivolts, but the voltage can be amplified by an amplifier in an integrated circuit to be enough to output a stronger signal. The Hall sensor has high induction precision, the precision in a working temperature area is better than 1 percent, the Hall sensor is suitable for measuring any waveform, and the linearity is good and is better than 0.1 percent. Therefore, in the present embodiment, the hall sensor is used as the magnetic induction device 3, and the accuracy of the induction signal can be improved.
Alternatively, the magnetic member 2 is a magnetic block. The magnet has iron, cobalt, nickel and other atoms, and the internal structure of the atoms is special, so that the magnet has magnetic moment. The magnet is capable of generating a magnetic field and has a property of attracting a ferromagnetic substance such as iron, nickel, cobalt, or the like. The production of magnets is a mature technology, which is easy to obtain and low in cost.
In other embodiments, the magnetic member 2 may be an electromagnet, which is a device that generates electromagnetism when energized. Magnetic part 2 is because its nature that has the attraction metal, so in the application, can adsorb some metallic impurity inevitable, will influence magnetic part 2's magnetism if not in time clearance, influences actuating mechanism normal operating, and often clears up metallic impurity and need open whole machine equipment to dismantle the metallic impurity that just can get rid of magnetic part 2 through the manual work to whole actuating mechanism, waste time and energy. And because the electro-magnet has magnetism when the circular telegram, magnetism just disappears thereupon after the outage, consequently, can make magnetic part 2 lose magnetism through the outage to make metallic impurity drop, and then need not dismantle whole actuating mechanism, just can realize clearing up the metallic impurity on magnetic part 2, and it is splendid to clear up the effect through this mode.
In other embodiments, a laser generating device and a laser sensing device are used instead of the magnetic member 2 and the magnetic induction device 3, in which embodiment the output gear 1 is made of a light-transmitting material and the signal isolation device 4 is made of a light-opaque material. The light emitted by the laser generating device can be intermittently sensed by the laser sensing device, so that a sensing signal is generated.
The utility model also provides an automatic vending machine, this automatic vending machine include actuating mechanism, signal transmission circuit and signal processing chip, and actuating mechanism passes through signal transmission circuit and is connected with the communication of signal processing chip, and the induction signal that magnetic induction system 3 produced passes through signal transmission circuit transmission to signal processing chip magnetic induction system 3. The specific automatic vending mechanism is that induction signals generated by the magnetic induction device 3 are transmitted to the signal processing chip through the signal transmission circuit, and the signal processing chip identifies the number of rotation turns of the output gear based on the induction signals, so that the automatic vending purpose is realized.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the same way in the protection scope of the present invention.
Claims (10)
1. The utility model provides a driving mechanism, its characterized in that includes the motor, by output gear, signal isolating device, magnetism spare and the magnetic induction device that non-magnetism isolating material made, the motor with output gear transmission connects, output gear sets up magnetism spare with between the magnetic induction device, when output gear rotates, output gear passes through the toroidal surface of magnetism spare position is first toroidal surface, signal isolating device installs on the output gear, and cover part first toroidal surface, signal isolating device is used for passing through separate during the magnetism spare position magnetism spare with magnetic field between the magnetic induction device.
2. The drive mechanism as recited in claim 1, wherein the magnetic induction device is disposed directly above the magnetic member.
3. The drive mechanism as recited in claim 1, comprising a motor gear and at least one reduction gear, wherein the motor gear is mounted on the motor, the motor drives the motor gear to rotate, and the output gear is in driving connection with the motor gear through the reduction gear.
4. The drive mechanism as claimed in claim 1, wherein the signal isolation means is provided with at least one, and when the signal isolation means is plural, the signal isolation means is evenly distributed on the output gear.
5. The drive mechanism as recited in claim 4, wherein the signal isolator is press-fit or insert-cast onto the output gear.
6. The drive mechanism as recited in claim 1, wherein the signal isolation device is a plate made of magnetically permeable material.
7. The drive mechanism as recited in claim 6, wherein the magnetically permeable material is steel.
8. The drive mechanism as recited in claim 1, wherein said magnetic induction device is a hall sensor.
9. The drive mechanism as recited in claim 1, wherein the magnetic member is a magnetic block.
10. A vending machine, comprising the driving mechanism as recited in any one of claims 1 to 9, a signal transmission circuit, and a signal processing chip, wherein the driving mechanism is communicatively connected to the signal processing chip through the signal transmission circuit, and an induction signal generated by the magnetic induction device is transmitted to the signal processing chip through the signal transmission circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922488667.1U CN211349474U (en) | 2019-12-30 | 2019-12-30 | Drive mechanism and automatic vending machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922488667.1U CN211349474U (en) | 2019-12-30 | 2019-12-30 | Drive mechanism and automatic vending machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211349474U true CN211349474U (en) | 2020-08-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922488667.1U Active CN211349474U (en) | 2019-12-30 | 2019-12-30 | Drive mechanism and automatic vending machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211349474U (en) |
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2019
- 2019-12-30 CN CN201922488667.1U patent/CN211349474U/en active Active
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