JPS58216503A - Mechanism of slide valve of powdered and granular body packer, etc. - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a slide valve mechanism that utilizes magnetic force and is extremely effective for use mainly in dispensing devices, packaging machines, etc. that handle fine powder particles.

In equipment that handles powder and other powders, such as coloring machines, in the mechanical part that performs operations such as sequentially weighing and putting it into packaging bags, the sliding plate of the shutter set is generally moved to move the slide plate from the measuring needle through the chute. This operation depends on the scale of the equipment, but in large packaging machines, a large number of measuring needles are sequentially fed into the chute at a high speed to open and close the bag while packaging. Even in small models, the metering needle is designed to open and close intermittently, and in principle it is stored in the sliding part of the sliding plate (or the opening/closing part of the opening/closing plate). Although care has been taken to prevent the powder and granules being handled from adhering and transferring, the more frequently the operation is performed, the more powder particles will adhere to the area around the opening/closing plate, and if this gradually aggregates and leaves a sticky base, the measuring needle will not work properly. It becomes impossible to close the bottom part, which further increases the leakage and prevents the opening/closing part from working properly, making it difficult to operate the device.

Regarding this sliding and opening/closing movement, adhesion of powder and granules,
If you try to prevent movement, not only will the structure of that part become complicated, but if you try to increase the accuracy, the slightly attached fine powder particles will rub and wear out the sliding surfaces.
On the contrary, it becomes more likely to cause leakage or causes a lack of smooth movement.

Therefore, cleaning using air or the like may be considered, but if cleaning is done after each operation, work efficiency will decrease.
In addition, air blowing scatters fine powder into the surrounding area, which requires measures to prevent this, and the equipment becomes even more complex.The gate valve mechanism in the part that handles such powder and granular materials is still not in a satisfactory state. do not have.

Such matters should be taken care of in equipment that handles fine powder.
Problems often occur, and as the powder particles on the sliding I# part wear out due to abrasion, the fine powder generated by the abrasion of the metal gets mixed into the powder and granules being handled, which can be a serious problem depending on the type of article being handled. It becomes a drawback.

The present invention has been made in view of the current situation, and aims to provide a slide valve mechanism for equipment handling powder and granular materials that solves the problems of the conventional method, has a simple structure, and can be opened and closed reliably without rubbing against each other. shall be.

The present invention provides a gate valve mechanism for powder and granule that supplies the required amount of powder and granule to a target part at a rate of t/J. The underside of the tooth is smoothed, and one end of the valve plate is placed on the underside of the tooth, and a valve plate is attached to the underside of the socket, and a magnetic material or a permanent magnet is attached to the underside of the valve plate. Ff is installed, and such a powder rod holder is arranged with the lower surface of the opening of the container closed by the valve plate, and with a slight gap between the lower surface of the valve plate and the same magnetic pole as the magnetic pole on the valve plate side. A pedestal with a magnet plate attached is provided, and the powder bar holder is moved either on the receiving side or on the magnet plate side so that the valve plate opens at the interrupted position on the magnet plate side, and the powder rod holder is placed directly below it. The structure is equipped with a chute for transferring powder and granules to the target object,
The valve plate closes due to the repulsive action of the magnetic force and opens when the valve plate leaves the magnetic field, so that opening and closing operations can be performed reliably without generating frictional force.

Hereinafter, the present invention will be described in detail with reference to the drawings regarding one embodiment.
What is shown in FIGS. 1 to 3 is the main part of a packaging device having a distributor in which multiple distribution boxes are arranged at a constant pitch.
The distributor (1) is a long and slender structure in which distribution boxes (3) for receiving multiple sheets of powder or granular material are arranged in series at a required pitch, and its main body (2) is made of a non-magnetic material such as synthetic resin. The bottom edge (4) of the opening of each distribution box (3) is finished flat, and both sides! 2'l t2'+ in the upper appropriate place respectively horizontally &
A rotary roller (5) is rotatably attached thereto. Also, on the lower half of the side of the distributor body (2) +2'+ +2'l, a valve plate made of non-magnetic material is attached to the plate (
6), and for this installation, as shown in the figure, the plate (6) has a protrusion (61) attached downwardly at the intermediate position of the partition wall (i) of each distribution box (3) of the main body of the distributor fi1. A required number (same as the number of dispensing tanks) are made to protrude, and each of the protrusions (61) is provided with a valve plate shaft bottle support hole (7) Δ which is a short elongated hole above and below the mark.

The valve plate (8) attached to the lower surface of the opening of each distribution box (3) of the main body of the distributor (1) is made of stainless steel plate,
Support pin openings are integrally formed on both sides of one end, and this support pin (81 part) is attached to the distributor main body (2) side through the plate protrusion (
61 is attached to the dispensing box (3) by being loosely inserted and supported in the drilled support hole (7), and is attached to the distribution box (3) so that it can be opened and closed. ) on all valve plates (8) so that all their magnetic poles are arranged in the same way. Note that the protruding portion (g) (see FIG. 3) provided on the valve plate (8) at a position opposite to the support pin (8) forming portion serves as a guide portion by the guide rail (11).

A distributor fil equipped with such a valve plate (8) is made movable by engaging a rotating roller (6) with a guide rail (211) attached to a part of a frame in a packaging device. Directly below the main body of the distributor (1) is the frame.
10) is attached, and this belt-shaped lower magnetic plate 110)
The magnetic poles thereof face each other in the same direction as the magnetic pole arrangement of the valve plate (8), and the magnet plate (9) attached to the valve plate (8) and the lower magnet plate (10) are close to each other within a permissible gap. It is arranged in. Note that it is desirable that the total length of this lower magnet plate (lO) be adjusted to the total length of the distributor body (2).

A chute (141) is supported by a frame and placed directly under the front end of a stand (121), and a packaging bag that is intermittently fed horizontally is placed under the chute (141). The powder and granular material to be packaged is received through a series of shoes (holes are successively arranged) (141), and this series of packaging series (
The feed of the liquor is intermittently carried out by the above-mentioned distributor (cheno), traction via a wire rope, and other means of driving the rack and pinion in synchronization with the movement of the distributor.
3) It advances 1a by 1 pitch and quickly returns to the original position after the entire distribution cell or the required movement has been carried out. Regarding the supply of powder and granules to each distribution tank (3) of the main body of the distributor I11, in addition to dispensing from the front, a mechanism (not shown) that automatically feeds a fixed amount into the distribution tank (not shown) is installed to distribute the powder and granules sequentially. You may also do so.

In the device of the present invention constructed as described above, the distributor i11 is in a fixed position as shown in FIG.
A required amount of powder or granular material (for example, a finely powdered drug) is received inside, and in this state, the lower surface of the opening of each dispensing cell (3) is closed by a valve plate (8).

When this valve plate (8) is in contact with the lower edge (4) of the opening of the distribution box (3), the magnet plate (9) attached to the lower surface of the valve plate (8) and the Since the lower magnetic plate (10) is arranged so that the magnetic poles are the same, both magnetic plates +9
A repulsive magnetic force acts between 11101, and the lower magnet plate 1
1O), the receiver is fixed via the stand (1), whereas the magnet plate (9) on the valve plate 18 side is fixed via the shaft pin +8'+ +8'+. The valve plate attached to the main body of the distributor i11 is inserted freely into the plate (6) protrusion support hole 17), and the protrusion part (i3
) is slidably supported on the guide rail, so it is strongly pressed against the lower surface of the distributor by the repulsive force of the magnetic force and comes into close contact with it, so that there is no leakage of powder or granules.

When this distributor il+ is advanced intermittently one pitch at a time by the driving means, the lower magnet plate 11
The valve plate (8), which had been pushed by the lower edge (4) due to the magnetic repulsion caused by 01, now loses its own weight and the powder that has been pushed into the distribution box (3) due to the cancellation of the repulsive force due to the magnetic force. The amount of acid in (A) causes the chute t to rotate downward as shown in Figure 1 as it moves away from the lower magnet plate (10), and the chute t located directly below it.
Powder (4) is dropped into the chute Q4) and placed in one section of the packaging rack located at the bottom of the rack. The valve plate (1) is sealed and packaged by a horizontal heater plate (not shown).As the distributor (1) advances sequentially in this way, the valve plate (
8) automatically opens as it moves away from the magnetic field with the lower magnet plate (10), and the receptacle in the distribution box (3) is filled with powder and granules (
A) is simultaneously supplied to the packaging chain through the chute t141, and when all the distribution boxes are opened and the distributor 11) is moved back, the valve plate (8) is connected to the r4 of the lower magnet plate 1101.
(When it is lifted by one end, it automatically closes in sequence due to the repulsive force of the same polarity in the magnetic field, and is strongly pressed against the lower edge (4), making it easy to receive the next powder or granular material.) We are prepared to do so.

Since the opening 61 of the distributor will operate as shown in FIG.
The valve plate that opens and closes the valve cleverly utilizes magnetic force to ensure that the valve closes reliably without applying any external force at any position other than the valve opening operation position, so there is no rubbing. Therefore, accurate operation can be expected, the structure is simplified and there is no failure, and since there is no friction, especially for those that handle fine powder, It has become.

In this way, according to the present invention, by utilizing the phenomenon of repulsion caused by arranging magnetic poles with the same polarity, this repulsion force presses the valve plate against the lower curved edge of the opening to close the valve, and this repulsion force is released. i't
1%, that is, when the valve plate reaches the discontinuous part of the lower magnetic plate, the valve plate automatically opens so that the powder and granules stored in the upper part can be thrown into the packaging container through the lower chute. With the above-mentioned configuration and basically maintaining the positional relationship between the distribution tank, the valve plate, and the lower magnet plate, the main body of the distributor is made into a disk shape, and a large number of distribution cells are arranged near the outer periphery. Below that, there are support hinge groups for the valve plate in a certain direction to store the valve plate, and below this valve plate there is a magnet plate, and at the bottom there is a section that is interrupted at one place for the required section. In this way, the annular magnet plate is arranged so that a repulsive force is generated between the valve plate X + M magnet plate and the lower magnet plate, and the chute is placed at a position 9 Even a set of packaging machines can be operated in the same way as the linear operating type.

Furthermore, based on the spirit of the present invention, as shown in FIGS. 5 and 6, a slider (c) capable of reciprocating mJ or is arranged between the hopper (23) and the shoe (+j), A powder rod holder whose internal volume can be adjusted in quality is provided in the middle part of this Slike C2 uniform, and one adjacent position tf& is the hopper closing part 0ω. The receiver is placed on the lower surface of the receiver (261) with a valve plate (c) having a similar shape to that of the previous embodiment and with a magnet plate attached downwardly, with one end supported by the shaft pin on both sides. A lower magnet plate (10) is arranged so that when the insertion box □□□ is at the lower position of the hopper catch, the valve plate shi (to) is repelled and pressed by magnetic force to close the valve, and this slider (to) moves. and the lower magnet plate (1
It can also be used in a model in which the valve automatically opens when the 6th place leaves the 1st corner and the powder is dropped into a container (not shown) through the shoe directly below L14+. In the case of such a single type, one or more of these may be arranged as required and operated in the required order. In the figure (2η is the opening volume adjuster, Q71 is the adjusting screw, 6 is the handle, - is the slide of the adjuster). In a device that dispenses portions at intervals and then supplies them into containers such as packaging (including bags), the valve plate that opens and closes the opening of the sliding distributor is operated by magnetic force. Since the valve is designed to operate actively, it does not rely on any complicated mechanism as in the past; it closes accurately, and the valve plate opens when the magnetic force is removed.
It can be said that the function and effect of this valve are extremely great in practical terms, as it eliminates all problems associated with wear caused by J and makes it possible to open and close the valve easily and reliably.

In addition, if a gasket is attached to the upper surface of the valve plate or the lower curved edge of the opening of the distributor body, the valve can be closed more effectively. Further, in accordance with the spirit of the present invention, the valve plate is closed using magnetic force, and the valve is opened when the repulsive force due to the magnetic force is removed, and the present invention is not limited to the above embodiments. It goes without saying that the modification and conversion within the technological scope of 1st century belongs to this invention.

[Brief explanation of the drawing]

The drawings show one embodiment of the present invention, and FIG. 1 shows a reciprocating operation! A schematic diagram of the main parts of the IIJ type dispensing powder and granule packaging device, Figure 2 is the x-X parent diagram of Figure 1, Figure 3 is a diagram showing the valve plate, and Figure 4 is a distribution device for powder and granule materials. A diagram showing the state in which the receiver is inserted,
FIGS. 5 and 6 are other examples of single-cell fields.

Claims (1)

[Claims] In a slide valve mechanism for a device that quantitatively collects powder and granules, the main body of the distributor with an opening at the bottom of the box that receives the powder and granules is made of a non-magnetic material, and the lower edge of the opening is made smooth. A valve plate is attached to the lower surface, one end of which is pivotally movably supported by a non-magnetic support piece, and a magnet is attached to the lower surface. A magnetic plate of a required length is arranged in such a manner that a repulsive force is generated with the same polarity as the magnetic pole on the valve plate side, and either the distributor or the lower magnetic plate attached support is moved. , characterized in that when the valve plate opens by itself at a position where the repulsive force due to the magnetic force is removed, powder and granules are supplied from inside the valve to a lower container etc. through a chute provided at that position. Slide valve mechanism for powder packaging equipment, etc.