JPH0351014Y2 - - Google Patents

Description

[Detailed description of the invention] [Industrial application field] This invention relates to an electric sifting device for sifting powdery substances such as wheat flour and sugar into a so-called lump-free powder.

[Prior art] As shown in Japanese Utility Model Publication No. 57-23031, for example, a conventional sieve is capable of reciprocating across the outer periphery of a support shaft provided through a rib in the center of the lower end opening of a hopper container. a first rotating body having a rack gear attached to the shaft and connected to the trigger rod; a gear rotatably supported by the support shaft and meshing with the rack gear; and a plurality of blades extending in the radial direction. a first net located on the lower surface of the first rotating body; and a first net located on the lower surface of the first rotating body.
a second rotating body connected to the rotating body and having a plurality of blades extending in the radial direction; a second net attached to the lower surface of the second rotating body; It consists of a body and a nut screwed onto a support shaft that passes through the first and second nets.

When the trigger rod is rotated back and forth to move the rack gear back and forth with a predetermined stroke, the first rotating body that meshes with the rack gear and the second rotating body connected to the first rotating body are moved into the rack gear. The hopper rotates back and forth at an angle corresponding to the distance traveled, sifting the powder in the hopper container.

[The problem that the idea aims to solve]

However, in the above-mentioned conventional sifter, the rack gear is exposed inside the hopper container, so when powder is put into the hopper container and the rack gear is moved back and forth, the powder gets stuck in the teeth of the rack gear and the pinion gear is removed. It has become impossible to mesh with.

For this reason, it was not possible to reliably sift the powder in the hopper container.

The present invention was devised to solve the above-mentioned conventional drawbacks, and its purpose is to reciprocate the mesh body at a predetermined angle to reliably sieve the powder inside the container body. To provide an electric sifting device capable of sifting a powdered material while crushing it and sifting it.

[Means for solving problems]

For this reason, the present invention consists of a container main body that is open at both upper and lower ends and has a boss provided at the center of the lower end opening through a plurality of ribs extending in the radial direction; A support shaft having an engaging portion, a mesh body located on the lower surface of the rib and covering the lower end opening of the container body and rotatably supported through the support shaft, and a support shaft to which the mesh body is attached. , a removable member having an engaging part that can engage with the engaged part, and a removable member that is attached to a part of the outer periphery of the net body so as to pass through a notch in the container body and extend in a radial direction, and is attached to the outside of the container body. an operating lever with elongated holes extending radially in positions corresponding to the notches; a gripping member with a built-in electric motor that is removably attached to the outer periphery of the container body in accordance with the notches; , and a cam body having a cam shaft that slides into the elongated hole at a location offset from the center.

[Effect of invention]

Since the present invention is constructed as described above, after the support shaft is inserted into the lower surface of the container body and the net body is attached, the detachable member is attached to the lower end of the support shaft, and the engaged part and the engaged part are connected. Attach so that they engage. At this time,
The actuating lever provided on the mesh body is located on the outside through a notch in the container body.

In the above state, the cam shaft of the cam body attached to the rotation shaft of the built-in electric motor engages the grip portion on the outer periphery of the container body corresponding to the notch in the elongated hole.

When the electric motor is driven after the powder is put into the container body, the net body is rotated back and forth around the support shaft as the camshaft at the eccentric position slides into contact with the elongated hole. .

As a result, the powder supported on the net is sieved off by the reciprocating rotation of the net.

〔Example〕

An embodiment of the present invention will be described below with reference to the drawings.

Fig. 1 is an exploded perspective view showing the electric sieving device according to the present invention, Fig. 2 is a central vertical sectional view of the assembled electric sieving device, and Fig. 3 is an enlarged view of the drive mechanism of the mesh. 2 is a perspective view showing the electric sieving device 1, which includes a container body 3, a mesh body 5, a removable member 7,
It is composed of a grip part 11 in which an electric motor 9 is housed.

The container body 3 is formed of synthetic resin into a substantially cylindrical shape with open upper and lower end surfaces. Ribs 13 extending into three parts in the radial direction from the center of the container body 3 and a boss portion 15 at the center where the ribs 13 intersect are integrally formed at the lower end opening of the container body 3. The boss portion 15 has a support shaft 17 as a support portion.
is fixed. On the outer periphery of the lower end of the support shaft 17, locking protrusions 17a serving as engaged portions are integrally formed at opposing positions around the axis.

The net body 5 is rotatably fitted into the support shaft 17 with play. The net body 5 includes a rib 21 extending radially at a predetermined angle from a central boss portion 19, a circular ring portion 23 integrally formed at the tip of the rib 21, and the ring portion 23 and the rib. 21 and a net 25 consisting of a required mesh. A through hole 19a is provided in the center of the boss portion 19, and a notch 19b is provided in the inner peripheral surface of the boss portion 19 of the through hole 19a in the axial direction in accordance with the latching protrusion 17a. There is. This allows the locking protrusion 17a to pass through the boss portion 19, and the net body 5 is rotatably supported on the support shaft 17.

An operating lever 2 is provided on a part of the outer periphery of the ring portion 23.
7 are integrally molded so as to extend in the radial direction. A long hole 27a is formed in the operating lever 27 so as to face in the radial direction and have a width corresponding to the outer diameter of a camshaft 55, which will be described later, and a length corresponding to the rotational diameter of the camshaft 55.

A detachable member 7 is attached to the support shaft 17 onto which the net 5 is loosely fitted. The detachable member 7 has a small diameter portion 29 into which the support shaft 17 is inserted, and a small diameter portion 2.
9 and a knob portion 31 integrally molded at the lower end portion thereof. A locking groove 29a is formed on the outer periphery of the small diameter portion 29 so as to extend in the axial direction in accordance with the locking protrusion 17a. In addition, the small diameter portion 29
A step portion 29b is formed on the outer periphery of the upper end portion, and a locking spring 33 as an engaging portion is attached to the step portion 29b. This locking spring 33 is attached to the locking protrusion 17 located in the locking groove 29a when the net body 5 is attached.
The diameter expands as it comes into contact with a, and after climbing over the locking protrusion 17a, it is locked with the locking protrusion 17a.

A grip portion 11 is attached to the outer periphery of the container body 3 so as to be detachable according to the operation lever 27 . A hook portion 37 is integrally formed at the lower end of the case 35 of the grip portion 11 so as to extend upward as shown in the figure. The hook portion 37 is connected to the operating lever 2.
7, it is engaged with the inner surface of the container body 3 via a notch 39 provided at the lower end of the container body 3. Further, an engagement lever 41 is supported at the upper end of the case 35 so as to be rotatable about a support shaft 43 . A compression spring 45 is installed between the illustrated right end of the engagement lever 41 and the case 35, and the elastic force of the compression spring 45 causes the engagement lever 41 to rotate in the counterclockwise direction shown in FIG. Forced.
Further, a downwardly directed claw portion 47 is integrally formed on the left end portion of the engagement lever 41 shown in FIG. The claw portion 47 is engaged with an engaging protrusion 49 integrally formed on the upper end of the container body 3. Also, case 35
has a built-in electric motor 9. Case 3
A disk-shaped rotating body 53 that constitutes a part of the cam body is attached to the rotating shaft of the electric motor 9 that protrudes from the lower end surface of the electric motor 5 . It is installed in the same position. When the grip portion 11 is attached to the container body 3, the camshaft 55 is slidably inserted into the elongated hole 27a. In the figure, 57 is a power switch, and 59 is a battery built into the case 35.

Next, the electric sieve device 1 configured as described above
The operation will be explained with reference to FIGS. 2 to 5.

2 and 3, when the upper end of the gripping part 11 is rotated toward the container main body 3 side with the hook part 37 hooked to the inner surface of the container main body 3 through the notch 39, the engagement lever 41 rotates clockwise about the support shaft 43 against the elastic force of the compression spring 45 as the claw portion 47 comes into sliding contact with the engagement protrusion 49 . As a result, the claw portion 47 rides over the engagement protrusion 49 and then engages with the engagement protrusion 49 due to the elastic force of the compression spring 45, thereby attaching the grip portion 11 to the container body 3. At this time, the camshaft 55 is inserted into the elongated hole 27a.
It is loosely fitted.

Then, when the power switch 57 is turned on with powdered material being sieved into the container body 3, the electric motor 9 is driven to move the camshaft 55 eccentric from the center of the rotating body 53 to the desired position. According to the sliding of the camshaft 55 with respect to the elongated hole 27a, the net body 5 is reciprocated about the support shaft 17 at a required angle according to the rotation radius of the camshaft 55. As a result, the powder contained in the container body 3 is sieved as the mesh body 5 reciprocates.

4 and 5, which show how the detachable member 7 is attached to the support shaft 17, when replacing the net 5, the detachable member 7 is moved below the axis with the net 5 attached to the support shaft 17. When moved, the locking spring 33 slides into contact with the locking protrusion 17a, expands in diameter against the elastic force of the locking protrusion 17a, and overcomes the locking protrusion 17a. This releases the latching state of the detachable member 7 to the support shaft 17, so that the net 5 can be removed from the support shaft 17.

In this state, when the net 5 with a different mesh depending on the powder to be sifted is inserted into the support shaft 17, the notch 19b allows the mesh 5 to hold the boss portion 19 against the latching protrusion 17a. Passage is allowed.
As a result, the net body 5 is rotatably supported above the locking protrusion 17a. In this state, when the small diameter portion 29 is inserted into the support shaft 17 so that the latch protrusion 17a and the latch groove 29a are aligned, the latch spring 33 slides into the latch protrusion 17a. However, after expanding the diameter against the elastic force and getting over the latching protrusion 17a, the diameter decreases due to the elastic force, and the latching protrusion 17
It is locked in a. This prevents the mesh body 5 from slipping off from the support shaft 17.

In this way, in this embodiment, the net 5 is replaceably attached to the support shaft 17 via the removable member 7, so the net 5 can be easily replaced depending on the powder to be sieved. You can.

[Effect of idea]

In this way, the present invention makes it possible to reliably sift the powdery material inside the container body by reciprocating the net at a predetermined angle, and also to remove the powdery material that has formed into beads in cooperation with the ribs 21. It is possible to provide an electric sifting device that can sieve while crushing the sieves.

[Brief explanation of the drawing]

Fig. 1 is an exploded perspective view showing the electric sieving device according to the present invention, Fig. 2 is a central vertical sectional view of the assembled electric sieving device, and Fig. 3 is an enlarged view of the drive mechanism of the mesh. The perspective view, FIG. 4, and FIG. 5 are explanatory diagrams showing how the detachable member is attached to the support shaft. In the figure, 1 is an electric sieve device, 3 is a container body, 5 is a mesh body, 9 is an electric motor, 15 is a boss portion, 17 is a support shaft, and 17a is a latching protrusion as an engaged portion.

Claims (1)

[Scope of Claim for Utility Model Registration] A container body with both upper and lower ends open and a boss provided at the center of the opening at the lower end via a plurality of ribs extending in a radial direction; a support shaft having an engaged portion; a net body located on the lower surface of the rib, covering the lower end opening of the container body and rotatably supported through the support shaft; and a support to which the net body is attached. A removable member having an engaging part that can be engaged with the engaged part is attached to the shaft, and a removable member is attached to a part of the outer periphery of the net so as to pass through a notch in the container body and extend in a radial direction, an operating lever with a long hole extending radially at a location corresponding to the outside of the container; a gripping member that is removably attached to the outer periphery of the container body corresponding to the notch and has a built-in electric motor; An electric sieving device characterized by comprising: a cam body having a cam shaft that is attached and that is in sliding contact with a long hole at a location offset from the center;