JPH0763675B2 - Multipurpose vibration device - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vibrating device, and more particularly to a vibrating device in which a vibrating member, such as a hopper, that is subject to vibration is detachably attached to a vibration source. .

[Technical Background of the Invention and Problems of Prior Art]

As a type of device called a vibration feeder or a parts feeder, a device called a straight-moving feeder that linearly moves powder particles or small parts is provided. A large electromagnetic coil is usually used as the vibration source of this device, but it is heavy, and for example, when the entire device is placed on an electromagnetic balance type balance called a load cell type balance or an electronic balance to measure the discharge amount. However, the device weight that does not contribute to the weight measurement, that is, the dead load increases. As the vibration component, the vibration in the vertical direction is also relatively large in addition to the vibration in the horizontal direction, so this vibration component in the vertical direction is transmitted to the measuring mechanism via the load transmission section of the weight measuring device, which adversely affects the weighing device. Will be given.

Further, for example, when a vibration feeder for discharging the granular material is assumed, the properties of the granular material are various, and various properties such as those having a high bulk specific gravity and those having a low bulk density, those having good fluidity and those having poor fluidity have. In this case, it is rational to provide a large hopper for those having a low bulk specific gravity, and it is necessary to cover the hopper in the case of fine particles that easily fly up. However, conventionally, since these hoppers and the vibration source for vibrating the hopper portion are integrally formed, it is necessary to prepare the vibration feeders according to the properties of the powdery or granular material.

[Means for solving problems]

The present invention is configured in view of the above problems, and is configured so that the vibration generator that is lightweight and has a large horizontal vibration component can be unitized to be combined with various members, thereby providing versatility. It is an enhanced multipurpose vibration device.

[Action]

In response to this control, an electromagnetic force is generated intermittently by applying an AC power source or supplying power intermittently as a pulse, and controlling the AC frequency and pulse if necessary. , Thereby intermittently sucking the operating body. The actuating member is supported by an elastic member, so that when it is not sucked, it reciprocates back to its original position due to its elasticity. This operation is performed corresponding to the frequency and pulse, and the vibration itself can be easily controlled by adjusting the AC frequency and the power supply pulse. In this case, it is also possible to more effectively move the moving object such as the powder or granules by configuring the actuating body to directly collide with the electromagnetic coil side.

〔Example〕

Embodiments of the present invention will be specifically described below with reference to the drawings.

1 and 2 show an embodiment of the present invention.

An arrow 1 indicates a vibration unit that is a vibration source. Reference numeral 2 is a vibrating frame that constitutes a part of the vibration generating unit 1, and is formed in a substantially U-shaped cross section. 3a and 3b are spring plates which are elastic bodies connected to the vibrating frame 2 via connecting members such as pins 4a and 4b. The spring plates 3a and 3b are connected and fixed to the substrate 6, and the vibrating body 2 is configured to vibrate mainly in parallel to the substrate 6 via the spring plates 3a and 3b. Next, 7 is a coil support fixed to the substrate 6, and 8
Is an electromagnetic coil fixed to the coil support 7, and 9 is a coil support plate that holds the coil 8 together with the coil support 7. 10 is an actuator supporting shaft, which is the pin 4a, 4b
Both ends thereof are supported by the coil support 7
The electromagnetic coil 8 supported by is disposed so as to be inserted through substantially the center of the central space. Reference numeral 11 denotes an actuator supported by the actuator support shaft 10, and has a large-diameter disk portion 11
The a is attached to the coil supporting plate 9 so as to face the coil supporting plate 9. Further, reference numeral 12 is a cover fixed to the vibrating frame 2 side and covers almost all of the vibrating body unit surrounded by the vibrating frame 2 and the spring plates 3a and 3b, so that dust from the outside can enter as much as possible. It is configured to prevent.

1 and 2 show the vibration unit 1 configured as described above applied as a vibration source of a vibration feeder.

Reference numeral 13 denotes a mounting plate for mounting a vibrating member such as a hopper for powder or granular material, which is fixed to the upper portion of the vibration unit 1. In the configuration shown in the figure, since the entire apparatus is used as a vibration feeder (straight-moving feeder), a hopper 14 for discharging powder particles is fixed to the mounting plate 13. The hopper 14 is configured to be detachably attached as shown.

That is, in the structure shown in the drawing, a hole for inserting a clip is formed at a predetermined position of the mounting plate 13, and a spring clip is attached to the hopper at a position corresponding to this opening. This structure will be described in more detail with reference to FIG. 3. Reference numeral 15 in the drawing denotes a clip insertion hole formed in the attachment plate 13, and 16 denotes a spring clip attached to the lower surface of the hopper 14. With this configuration,
Attach each spring clip 16 on the bottom of the hopper to the vibration unit 1
Positioned close to the openings 15 formed in the mounting plate on the side,
By pressing each clip portion from the hopper side, the hopper 14 can be easily attached to the vibration unit 1 via the clip 16. When the hopper 14 is to be removed, the end portions of the spring clips 16 are pinched and pushed upward to facilitate the removal.

Since the filling amount and the flow rate per unit time in the hopper differ depending on the particle size, shape, bulk specific gravity, etc. of the powder or granules, the optimum hopper should be selected for the sex of the powder or granules. For example, since the hopper can be easily attached and detached, the optimum hopper can be easily attached to the vibration unit 1. Also, this is an advantage that even when a substance such as a chemical or a chemical substance that should be prevented from being mixed with other substances is discharged as much as possible, a method of using a specific hopper for each substance can be easily implemented. There is also.

Next, the operating state of the unit having the above structure will be described.

An alternating voltage is applied to the electromagnetic coil 8 of the vibration unit 1. The electromagnetic coil 8 generates a magnetic force corresponding to the frequency of this AC voltage. Therefore, the flat plate portion 11a of the actuating body 11 is intermittently attracted to the electromagnetic coil 8 side in accordance with this frequency. When the coil 8 does not generate an electromagnetic force, the operating body 11 is returned to its original position by the elasticity of the spring plates 3a and 3b, so that the vibrating frame 2 integrated with the operating body 11 via the support shaft 10 Like the actuating body 11, it vibrates corresponding to the AC frequency. As a result, the powder or granular material filled in the hopper 14 is appropriately discharged through the trough 14a. In this case, if the operating body is configured to collide with the coil side when attracting the electromagnetic coil, the impact can extend the moving distance of the granular material per unit time. The body discharge can be significantly improved.

Further, the attachment of the vibrated member to the vibrating unit is not limited to the above-mentioned spring clip, and it is possible to appropriately use other simple connecting means such as a magic tape (trade name).

FIG. 4 shows another configuration.

In this configuration, a relatively large mounting table 17 is arranged on the mounting plate 13 of the vibration unit. A container 18 for containing powdery or granular materials such as chemicals is placed on the placing table 17. In this configuration, the container 18 is moved in the direction of the arrow by operating the vibrating unit 1 and is carried by the belt conveyor 19 arranged at the end thereof, for example, below the feeder for dropping and supplying the medicine. The object to be moved on the mounting table can be used as a so-called parts feeder by moving various members such as various connecting members such as screws, washers, clips and small parts outside the illustrated container. .

FIG. 5 shows still another configuration.

The vibration unit 1 and the hopper 19 mounted thereon are mounted and fixed on a load cell 27 which is a load measuring device.
A parts feeder for moving the container shown in FIG. 4 is arranged below the discharge end of the granular material of the hopper 19. Reference numerals 20 and 21 are control devices for controlling the feeder for discharging the powder and the parts feeder, respectively.

In the above structure, first, the controller 20 operates the parts feeder. If the center position of the predetermined container 18 placed on the placing table 17 of the parts feeder reaches the drop position of the granular material from the hopper 19, the position sensor 22 detects the position and causes the control device 20 to do so. input. The control unit 20 opens the switch 24 of the AC power supply 23 by this signal and opens the vibration unit.
The operation of 1A is stopped, the movement of the container 18 is stopped, and the container 18 is placed at a predetermined position. This movement stop signal is input to the control device 21, and the control device 21 closes another switch 25 of the AC power supply 23 by this signal. This activates the vibrating unit 1B of the feeder for discharging the granular material, and the granular material filled in the hopper 19 is
26 is discharged sequentially. The discharged particles are dropped and filled in the container 18 located right below. The discharge amount of the powder or granular material 26 is measured by the load cell 27, and the reduced amount thereof is constantly input to the control device 21. When the reduced amount reaches the amount input in advance, the control device 21 opens the switch 25 to stop the operation of the vibration unit 1B and stop the discharge of the powder or granules. The stop signal of the vibrating feeder is now the reverse
Entered in 20 to activate the parts feeder and move to the next container 18
Is moved to a predetermined position. By performing the above operations alternately, each container is filled with a predetermined amount of powder or granular material.

In all of the above configurations, the method of applying AC voltage to the vibration unit is adopted, but it is also possible to generate vibration by intermittently supplying electric power as a pulse to the outside. Is.

〔effect〕

INDUSTRIAL APPLICABILITY As described in detail above, the present invention is configured so that a vibration generator that is lightweight and has a large horizontal vibration component can be unitized and combined with various vibration members such as a hopper. Since it is a device with improved versatility, it is possible to meet a wide variety of applications by appropriately selecting the vibration member.

Further, since the vibration unit itself is small and lightweight, it is possible to reduce the size of the entire device configured without deteriorating the performance of the device.

[Brief description of drawings]

1 is a longitudinal sectional view of a vibrating unit showing an embodiment of the present invention, FIG. 2 is a sectional view taken along the line AA of FIG. 1, FIG. 3 is a detailed view of a B portion of FIG. 1, and FIG. Is a diagram showing a configuration in which a vibrating unit is used as a vibration source of a parts feeder, and FIG. 5 is a control system diagram of an apparatus in which a powder and granular material discharging feeder and a parts feeder are combined. 1 ... Vibration unit, 2 ... Vibration frame 3a, 3b ... Spring plate, 8 ... Electromagnetic coil 10 ... Actuator support shaft, 11 ... Actuator 14, 19 ... Hopper, 17 ... Parts mounting table

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Kazuhisa Takeda 1771 Uetani, Konosu City, Saitama A & D Co., Ltd. Saitama Factory (56) References Japanese Patent Publication No. Sho 21-21404 41-1437 (JP, Y1)

Claims (3)

[Claims] 1. An electromagnetic coil 8 having a horizontal space formed therein, and an actuating body support shaft 10 inserted through the space.
The actuation body 11 attached to one end of the actuation body support shaft 10 and facing the one end of the electromagnetic coil 8, the vibrating frame 2 directly or indirectly connected to the actuation body 11, and the actuation body 11 attached thereto A vibrating unit 1 in which the supporting frame 2 vibrates in a substantially horizontal direction is formed by an elastic body supporting the actuation body support shaft 10 and the vibrating frame 2, and a means for controlling the electromagnetic coil to intermittently generate a magnetic force. The vibration unit 1
A multi-purpose vibrating device is provided with means for detachably attaching various vibrating members. 2. A vibrating member attached to the vibrating unit 1 is a hopper 14 for filling / discharging powder particles, and the vibrating unit 1 to which the hopper 14 is attached is used as a feeder for discharging powder particles. The multi-purpose vibrating device according to claim 1, wherein 3. The vibrating member attached to the vibrating unit 1 is a mounting table 17 for filling and discharging various small parts, and the vibrating unit 1 to which the mounting table 17 is mounted is used as a parts feeder. The multipurpose vibrating device according to claim 1, which is characterized in that.