JP3216254U - Spring feeder - Google Patents

Abstract

Provided is a spring-type feeder in which powder bridging is unlikely to occur and powder can be efficiently transferred at low cost. A cylindrical case 12 whose both ends are closed by end walls 12a and 12b, a coil spring 16 rotatably supported in the case by a bearing provided on the end wall, and the coil spring are driven to rotate. Drive means including a motor 18a for the case, and by rotating the coil spring, the powder loaded into the case from the charging port 12c provided adjacent to one end wall of the case is rotated. It is comprised so that it may transfer to the discharge port 12d provided adjacent to the other end wall. [Selection] Figure 1

Description

  The present invention generally relates to a spring-type feeder. More specifically, the present invention relates to a spring-type feeder that can efficiently transfer powder.

  Various types of transfer devices (feeders) for transferring powder from one location to another desired location are known.

  However, the conventional transfer device has problems such as the occurrence of powder bridging when the powder is transferred and high cost. An apparatus that overcomes these problems is desired.

  The present invention has been developed in view of such circumstances, and has novel features such that powder bridging is unlikely to occur and powder can be efficiently transferred at low cost. A device is provided.

  The spring-type feeder according to claim 1 is a cylindrical case whose both ends are closed by end walls, a coil spring rotatably supported in the case by a bearing provided on the end wall, Drive means for rotationally driving the coil spring, and rotationally driving the coil spring with the powder charged in the case from an input port provided adjacent to one end wall of the case By this, it is comprised so that it may transfer to the discharge port provided adjacent to the other end wall of the said case.

  The spring feeder according to claim 2 of the present invention is the feeder according to claim 1, wherein the driving means includes a motor and a speed reducing means for reducing the rotation of the motor and transmitting it to the coil spring. It is characterized by this.

  According to the spring type feeder of the present invention, since the powder is transferred by the coil spring, the pressure applied to the powder is small, and the bridging phenomenon hardly occurs in the powder. Further, since the width of the coil spring is small, it is difficult for powder to adhere to the coil spring. Furthermore, since a normal coil spring is used, the manufacturing cost is low, and mounting and replacement are easy. Furthermore, since it is only necessary to rotationally drive the coil spring, it is possible to save labor as compared with the conventional transfer device.

1 is an overall perspective view of a spring feeder according to a preferred embodiment of the present invention. It is sectional drawing of the spring type feeder of FIG. It is the figure which showed the Example with which the spring type feeder of FIG. 1 is equipped with the water treatment agent injection machine of a water treatment apparatus.

  Next, a spring-type feeder according to a preferred embodiment of the present invention will be described in detail with reference to the drawings. FIG. 1 is a perspective view showing an entire spring feeder according to a preferred embodiment of the present invention. A spring-type feeder according to a preferred embodiment of the present invention generally indicated by reference numeral 10 in FIG. 1 includes a cylindrical case 12. Both ends of the case 12 are closed by end walls 12a and 12b. An input port 12c is provided above a peripheral wall adjacent to one end wall 12a, and a discharge port is provided below the peripheral wall adjacent to the other end wall 12b. 12d is provided.

  The spring feeder 10 also includes a coil spring 16 rotatably supported in the case 12 by bearings 14a and 14b provided on the end walls 12a and 12b. The coil spring 16 may be formed by winding a metal wire in a coil shape, or a commercially available coil spring may be used.

  The spring feeder 10 further includes driving means 18 for driving the coil spring 16 to rotate. 1 and 2 includes a motor 18a, a gear 18c attached to a rotating shaft 18b of the motor 18a, and a gear 18d attached to one end of the coil spring 16 and meshing with the gear 18c. However, as long as the coil spring 16 is appropriately driven to rotate, other configurations may be adopted.

  The operation of the spring type feeder 10 configured as described above will be described. The coil spring 16 is driven to rotate by operating the motor 18a. In this state, the powder is charged into the case 12 through the charging port 12c. Then, the powder is transferred in the direction of the arrow shown in FIG. When the powder reaches the other end of the case 12, the powder is discharged out of the case 12 through the discharge port 12d.

  In the spring-type feeder 10 of the present invention, since the powder is transferred by the coil spring 16, the pressure applied to the powder is small, and a bridging phenomenon is hardly generated in the powder. Further, since the width of the coil spring 16 is small, the powder hardly adheres to the coil spring 16. Furthermore, since a normal coil spring 16 is used, the manufacturing cost is low, and mounting and replacement are easy.

  FIG. 3 is a view showing an example in which the spring-type feeder 10 of the present invention is equipped as a part of the water treatment agent charging machine of the water treatment apparatus. This water treatment agent charging machine has been proposed by a joint developer of the present inventor (see Japanese Patent No. 5403606). The water treatment agent dispenser is a device for introducing a water treatment agent into water to be treated in order to efficiently perform water treatment. In FIG. 3, reference numeral 22 indicates a water treatment agent dropping acceleration mechanism installed below the water treatment agent feeder 20. Since the water treatment agent which is powder is hardened by moisture or the like and is difficult to fall (inject), the water treatment agent fall promoting mechanism 22 is provided.

  The water treatment agent dropping promotion mechanism 22 is arranged such that a shaft 22a that is rotationally driven by a motor 22d, a plurality of arms 22b that are attached to the shaft 22a so as to extend radially from the shaft 22a, and a lower end that contacts the arm 22b. Plate spring 22c. The spring type feeder 10 is installed in the lower part of the water treatment agent dropping promotion mechanism 22.

  In the water treatment agent dropping promotion mechanism 22, when the shaft 22a rotates, the leaf spring 22c is bent by the arm 22b that is in contact therewith. Next, when the shaft 22a further rotates, the contact between the arm 22b and the leaf spring 22c is released, and the leaf spring 22c moves to the arm 22b at the next position. At this time, the collision between the leaf spring 22c and the arm 22b at the next position occurs. Due to the impact force generated by the above, an impact is applied to the water treatment agent, and the water treatment agent falls into the case 12 from the inlet 12 c of the spring feeder 10. And by the rotational drive of the coil spring 16, a water treatment agent is transferred to the discharge port 12d, and falls in the stirring tank (not shown) of a water treatment apparatus.

  The present invention is not limited to the above-described embodiments of the invention, and various modifications are possible within the scope of the invention described in the claims of the utility model registration, and these are also within the scope of the present invention. Needless to say, it is included.

  For example, the dimensions and detailed shapes of the case 12 and the coil spring 16 shown in the figure are merely exemplary, and the dimensions and details of the case 12 and the coil spring 16 may be used as long as the required effects of the present invention can be exhibited. The shape may be changed.

DESCRIPTION OF SYMBOLS 10 Spring type feeder 12 Case 12a, 12b End wall 12c Insertion port 12d Discharge port 14a, 14b Bearing 16 Coil spring 18 Drive means 18a Motor 18b Rotating shaft 18c Gear 18d Gear 20 Water treatment agent dropping machine 22 Water treatment agent fall acceleration mechanism 22a Shaft 22b Arm 22c Leaf spring 22d Motor

Claims (2)

A cylindrical case with both ends closed by end walls;
A coil spring rotatably supported in the case by a bearing provided on the end wall;
Driving means for rotationally driving the coil spring;
The powder introduced into the case from the inlet provided adjacent to one end wall of the case is provided adjacent to the other end wall of the case by rotating the coil spring. A spring-type feeder, wherein the feeder is configured to transfer to a discharged outlet.   2. The spring feeder according to claim 1, wherein the driving means includes a motor and a speed reducing means for reducing the rotation of the motor and transmitting it to the coil spring.

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