JPH0561001U - Fixed amount discharge device - Google Patents

Abstract

(57) [Summary] [Purpose] Discharging and discharging solid matter in specified amounts,
(EN) Provided is a solid-quantity discharge device for solids, which can be easily bagd in a short time. [Structure] A bottom plate 6 is detachably attached to a bottom opening of a hopper 4 for containing a solid S. The screw conveyor 8 is rotatably supported in the hopper 4, and the solid matter S in the hopper 4 is discharged to the outside from the discharge port 15 at one end.
The weighing device 1 is provided on the outer side of the hopper 4 so as to face the discharge port 15.
8 is provided to measure the solid matter S discharged from the discharge port 15. The fall prevention member 2 is placed in the hopper 4 so as to face the discharge port 15.
4 is provided to prevent the solid matter S in the hopper 4 from directly dropping to the discharge port 15. A connecting portion 30 for connecting a manually operated handle 31 to the shaft end of the screw conveyor 8.
To provide.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a device for quantitatively discharging solid matter such as gravel, sand, and grains, which are discharged while being measured in predetermined amounts.

[0002]

[Prior Art]

 Conventionally, when packing a certain amount of solid matter such as gravel, sand, and grains, a cylindrical measuring container with open upper and lower ends is inserted into the bag, and in this state, the measuring container is filled with a scoop or the like. Then, the measurement container was taken out of the bag, and a predetermined amount of the solid product was packed in the bag.

[0003]

[Problems to be solved by the device]

 However, in this conventional method, there is a problem that the weighing operation is very troublesome and time-consuming because it is necessary to put the weighing container in and out of the bag.

The present invention has been made by paying attention to the problems existing in such a conventional technique, and the purpose thereof is to easily discharge a solid substance while measuring a predetermined amount of the solid substance. Another object of the present invention is to provide a device for quantitatively discharging solid matter that can be packed in a short time.

[0005]

[Means for Solving the Problems]

 In order to achieve the above-mentioned object, the solid-quantity discharging device of the present invention has a hopper for containing solids and a rotatably supported inside of the hopper for discharging solids in one side end. A screw conveyor for discharging the screw conveyor from the outlet to the outside, a rotation drive source for rotating the screw conveyor, and a solid material discharged from the discharge outlet provided on the outer side of the hopper facing the discharge outlet. And a drop-preventing body that is provided at one end of the hopper facing the discharge port and prevents the solid matter in the hopper from directly falling to the discharge port.

[0006]

[Action]

 In the apparatus for quantitatively discharging solid matter configured as described above, when the rotary drive source is rotationally driven with the bag or the like set on the weighing device, the screw conveyor is rotated and stored in the hopper. Solid matter is discharged from the discharge port into the bag. Then, when a predetermined amount of solid matter is discharged into the bag, it is detected by the weighing device, the rotation drive source is stopped based on the detection signal, and the rotation of the screw conveyor is stopped. Therefore, the solid matter can be discharged while being measured in a predetermined amount, and can be easily bagd in a short time.

Further, since the fall prevention member is provided inside the hopper so as to face the discharge port, solid matter in the hopper does not drop directly to the discharge port when the screw conveyor is stopped. It is possible to prevent excess solid matter from being discharged from the discharge port after the screw conveyor is stopped.

[0008]

【Example】

 An embodiment of a solid-state quantitative discharging device embodying the present invention will be described below in detail with reference to the drawings.

As shown in FIGS. 1 to 4, the pair of side plates 1 and 2 are erected in parallel at a predetermined interval, and a plurality of support legs 3 are attached to the lower ends thereof so that their heights can be adjusted. There is. The hopper 4 is erected and fixed between the upper ends of the side plates 1 and 2, and flanges 5 project from both side edges of the bottom opening. The bottom plate 6 is removably disposed in the bottom opening of the hopper 4 and is releasably retained and retained on the bottom of the hopper 4 by a plurality of retaining metal fittings 7 rotatably provided on the flange 5. There is. The hopper 4 accommodates solid matter S such as gravel, sand and grains.

The screw conveyor 8 is rotatably supported between the side plates 1 and 2 via a bearing 9 so as to extend along the bottom surface opening in the hopper 4, and one shaft end of the screw conveyor 8 has a side plate 1. Is projected outside. A motor 10 as a rotary drive source is mounted on the inner surface of one of the side plates 1, and its motor shaft 11 is projected to the outside of the side plate 1. A pair of sprockets 12 and 13 are attached to the shaft ends of the motor shaft 11 and the screw conveyor 8, and a chain 14 is hung between the sprockets 12 and 13.

The discharge port 15 is formed at the center of the other side plate 2 corresponding to the end of the screw conveyor 8, and a chute 16 is provided on the outside thereof. The rotary vibrator 17 is mounted on the outer slope of the hopper 4, and the operation of the vibrator 17 imparts vibration to the hopper 4 to guide the solid matter S in the hopper 4 downward. Then, when the motor 10 is started, the screw conveyor 8 is rotated via the sprockets 12 and 13 and the chain 14, and the solid matter S in the hopper 4 is discharged from the discharge port 15 to the outside via the chute 16. ..

As shown in FIGS. 1 and 5, the weighing device 18 is provided on the outer side portion of the side plate 2 corresponding to the chute 16. That is, the support base 19 is fixed to the outer side surface of the side plate 2, and the switch actuating body 20 is projectingly provided on the upper surface thereof. A support bucket 21 for supporting the bag B is movably supported on a support base 19 via a weighing device 22, and a plurality of locking members for locking the opening of the bag B at its upper end on the circumferential side. A bar 21a is provided so as to project. Then, when a predetermined amount of solid matter S is discharged from the discharge port 15 into the bag B, the weighing machine 22 detects it and the support bucket 21 is lowered. The limit switch 23 is attached to the lower surface of the support bucket 21, and when the support bucket 21 is lowered, the limit switch 23 is operated by the engagement with the switch actuation body 20 to rotate the motor 10 and the vibrator 17. Be stopped.

As shown in FIGS. 1 and 2, the fall prevention member 24 is fixed to the inner surface of the side plate 2 in the hopper 4, and is arranged in an inclined state so as to face the discharge port 15 and be located inward toward the lower end. Has been done. The fall prevention body 24 prevents the solid matter S in the hopper 4 from directly falling to the discharge port 15, and after the rotation of the screw conveyor 8 by the motor 10 is stopped, the solid matter S from the discharge port 15 is stopped. Are not discharged unnecessarily.

As shown in FIGS. 1 to 3, the operation switch 25 is attached to the outer surface of the side plate 2, and operation buttons 26 and 27 for starting and stopping are provided on the front surface thereof. The cover 28 is fixed to the outer surface of the side plate 1 so as to cover the sprockets 12 and 13, and an insertion hole 29 is formed at a position corresponding to the shaft end of the screw conveyor 8. The square shaft-shaped connecting portion 30 is provided so as to project from the shaft end of the screw conveyor 8 on the side of the weighing device 18, and a manual operation handle 31 is connected to the connecting portion 30 so that the screw conveyor 8 can be manually operated by the operation handle 31. It can be rotated at.

Next, the operation of the solid-quantity discharge device for solids configured as described above will be described. By the way, in this solid-quantity discharging device for solid matter, when the bag B is set on the support bucket 21 of the weighing device 18, when the start-up operation button 26 of the operation switch 25 is pushed, the vibrator 17 and the motor 10 are started up. .. When the vibrator 17 is activated, vibration is applied to the hopper 4, and when the motor 10 is activated, the screw conveyor 8 is rotated through the sprockets 12 and 13 and the chain 14 and is accommodated in the hopper 4. The solid matter S is smoothly discharged from the discharge port 15 through the chute 16 into the bag B by a fixed amount.

When the solid S in the bag B reaches a predetermined amount, it is detected by the weighing machine 22 and the support bucket 21 is lowered, and the limit switch 23 is operated by the engagement with the switch operating body 20. To be done. As a result, the rotation of the motor 10 and the vibrator 17 is stopped, and the discharge of the solid matter S from the discharge port 15 is stopped. Therefore, the solid matter S can be discharged while being metered by a predetermined amount, and can be easily bagd in a short time.

Further, when the rotation of the screw conveyor 8 is stopped as described above, since the fall prevention member 24 is disposed inside the hopper 4 so as to face the discharge port 15, the solid inside the hopper 4 is prevented. The object S does not drop directly onto the discharge port 15. Therefore, it is possible to reliably prevent unnecessary discharge of the solid matter S from the discharge port 15 after the screw conveyor 8 is stopped.

Further, in the discharging operation of the solid matter S, when the solid matter S is clogged in the outer circumference of the screw conveyor 8 and the like and the discharge is not smoothly discharged from the discharge port 15, the operation switch 25 is operated to stop. The button 27 is pressed to stop the motor 10 and the vibrator 17. Thereafter, as shown by the chain line in FIG. 1, a manual operation handle 31 is connected to the connecting portion 30 at the shaft end of the screw conveyor 8, and the screw conveyor 8 is manually rotated in the reverse direction by the operation handle 31. Thereby, the clogging of the solid matter S can be easily removed.

When accommodating different kinds of solids S in the hopper 4, the plurality of hooks 7 on the flange 5 are rotated clockwise in FIG. 4 to hook the bottom plate 6. Release from the state and remove from the bottom opening of the hopper 4. As a result, the bottom opening of the hopper 4 is opened, and the solid matter S remaining around the screw conveyor 8 can be easily and reliably cleaned from below the hopper 4.

The present invention is not limited to the configuration of the above-described embodiment. For example, contrary to the above-described embodiment, the connecting portion 30 is provided at the shaft end portion on the sprocket 13 side, and the manual operation handle 31 is provided. It is also possible to embody the structure of each part by arbitrarily changing the structure without departing from the spirit of the present invention, such as inserting from the insertion hole 29 and connecting to the connecting part 30.

[0021]

[Effect of the device]

 Since the present invention is configured as described above, it has the following excellent effects.

First, since a weighing device is provided on the outer side of the hopper so as to face the discharge port of the solid matter, the solid matter can be easily discharged while measuring a predetermined amount, and the bag can be packed in a short time. It can be carried out.

Further, since the fall prevention body is provided in the hopper so as to face the discharge port, the solid matter in the hopper directly drops to the discharge port after the screw conveyor is stopped, and the solid substance in the hopper drops to the outside from the discharge port. It is possible to reliably prevent unnecessary discharge.

[Brief description of drawings]

FIG. 1 is a cross-sectional view of an essential part showing an embodiment of a solid-quantity quantitative discharging device embodying the present invention.

2 is a cross-sectional view taken along line XX of FIG.

3 is a cross-sectional view taken along line YY of FIG.

FIG. 4 is a partial perspective view showing, in an enlarged manner, a structure for attaching and detaching a bottom plate to and from a hopper.

FIG. 5 is an exploded perspective view showing an enlarged configuration of the weighing device.

[Explanation of symbols]

4 ... Hopper, 6 ... Bottom plate, 7 ... Latch metal fittings, 8 ... Screw conveyor, 10 ... Motor as rotation drive source, 15 ...
Discharge port, 18 ... Measuring device, 24 ... Fall prevention body, 30 ... Connection part, 31 ... Manual operation handle, S ... Solid matter.

Claims (1)

[Scope of utility model registration request] 1. A hopper for accommodating a solid material, a screw conveyor rotatably supported in the hopper, for discharging the solid material in the hopper to the outside through a discharge port at one end, and a screw conveyor for the screw conveyor. A rotation drive source for rotating the device, a weighing device provided outside the hopper so as to face the discharge port and for measuring solid matter discharged from the discharge port, and a weighing device provided inside the hopper facing the discharge port. Provided on the side edge,
A solid-quantity discharging device for solid matter, comprising: a fall prevention body that prevents the solid matter in the hopper from directly falling to the discharge port.