JPH0792011A - Combination measuring device - Google Patents

Abstract

PURPOSE:To provide a combination measuring device, which can reduce its own size in comparison with a conventional one and can deal with measurement of an adhesive solid material, by improving the arrangement and shape of a measuring hopper and the arrangement of a straight moving feeder. CONSTITUTION:In the combination measuring device provided with plural measuring hoppers 6, which are arranged in the circumferential direction and store a material to be measured, a straight moving feeder 7 supplying the material to be measured to the measuring hoppers 6, and a discharging chute 14 collecting the material to be measured, which is discharged from respective measuring hoppers 6 combined on the basis of the measurement value for the stored material to be measured, the measuring hoppers 6 are concentratedly arranged in the central part. In the measuring hopper 6, the central part side may be formed into a taper, while the straight moving feeder 7 is desirably arranged so as to diagonally cross the radius direction of the circumference.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a combination weighing device, and more particularly to a combination weighing device used for weighing sticky, soft solids.

[0002]

2. Description of the Related Art A conventional combination weighing device is disclosed in, for example, Japanese Patent Laid-Open Nos. 60-155914 and 62-11117.
As disclosed in Japanese Unexamined Patent Application Publication No. JP-A-2003-242, and the like, a plurality of circumferentially arranged weighing hoppers for storing objects to be weighed, load cells (weight weighing devices) for weighing the objects to be weighed stored in the weighing hoppers, and weighing It has a straight feeder for supplying the objects to be weighed to the hopper and a discharge chute for discharging the objects to be weighed dropped from the gate of the weighing hopper to a predetermined device such as a storage device. Then, the object to be weighed supplied from the straight feeder is weighed by the load cell of each weighing hopper,
The calculation device performs a combination calculation so that the total of the respective measured values becomes a preset value. Next, a discharge signal is sent to the combined weighing hoppers based on the calculation result to open the gates of the weighing hoppers and discharge the objects to be weighed to the discharging chute.

[0003]

However, in the case of measuring a soft solid matter which is easily adhered such as an ingredient of a retort food, when the solid matter adheres to the inner wall of the discharge chute, the solid matter discharged from the measuring hopper. And the quantity value of the solid matter that has passed through the discharge chute and is accommodated are different, and the accuracy of the weighing device decreases. Therefore, in order to prevent solids from adhering, the discharge angle of the discharge chute must be an acute angle.However, since the conventional weighing hopper is located on the outer peripheral portion away from the central part, when the discharge angle is an acute angle, the discharge chute is There is a problem in that the size of the device becomes large and the size of the entire device becomes large. In addition, the distance from the weighing hopper to the outlet of the discharge chute becomes long, the discharge time varies, the speed of filling the solid material into the container decreases, the product production efficiency decreases, the solid material is damaged, etc. There was a problem. In addition, the measuring device is equipped with a vibrating device that vibrates the linear feeder, but if you try to lengthen the linear feeder to ensure the separation of solids by vibrating the solids for a long time, There is a problem that the entire device becomes large.

In view of the above problems, the present invention improves the layout and shape of the weighing hopper and the layout of the straight-line feeder so that it can be made smaller than the conventional weighing device, and it can also be used to weigh solid objects that tend to adhere. An object of the present invention is to provide a combination weighing device that can be used.

[0005]

SUMMARY OF THE INVENTION In order to solve the above problems, the present invention provides a weighing hopper arranged in a circumferential direction for accommodating an object to be weighed, and a linear feeder for supplying the object to be weighed to the weighing hopper. And a discharge chute for collecting the objects to be weighed discharged from each weighing hopper, which is combined based on the stored weighing value of the objects to be weighed, in the combination weighing device, the weighing hoppers are collectively arranged in the central portion. It is characterized by Further, it is preferable that the weighing hopper is formed so that the central portion side is tapered.
Further, it is preferable that the straight feeder be arranged so as to intersect the radial direction at an angle.

[0006]

[Operation] According to the present invention, since the respective weighing hoppers are gathered and arranged in the central portion, the discharging angle of the discharging chute can be made an acute angle, and the object to be weighed is a flexible solid material having high adhesiveness. Even if there is, it does not adhere to the inner wall of the discharge chute. Further, since the discharge chute can be made smaller than the conventional weighing device, the device can be downsized. Further, since the distance between the weighing hopper and the outlet of the discharge chute can be shortened, it is possible to prevent damage or collapse of solid matter. Also, if the central portion side is formed to be tapered, each weighing hopper can be brought closer to the central portion, and if the straight feeder is arranged so as to diagonally intersect the radial direction of the circumference, The straight feeder can be lengthened in the same space, and the effect of the present invention can be further exerted.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the combination weighing device of the present invention will be described below with reference to the drawings. This device is a device for weighing and discharging relatively highly adherent food ingredients such as burdock root, meat slices, boiled meat, sliced onions, sticks, mushrooms, and diced bacon. Figure 1
As shown in FIG. 1, the combination weighing device 1 includes a machine base 3 provided with wheels 2, a frame 4 erected on the machine base 3, and a frame 4
It has an annular support part 5 provided in the middle part of the. An opening 5a is formed in the center of the support portion 5, and the opening 5a is formed.
Eight weighing hoppers 6 are radially arranged on the inner wall of the and are supported via a support member 6c. Each of the weighing hoppers 6 is formed in a substantially semi-conical shape as a whole, and as shown in FIG. 5, the tapered side thereof is arranged to face the center of the opening 5a. In the central part, only the space required for removing the weighing hopper 6 is left. Also, FIG.
As shown in FIG. 5, each weighing hopper 6 is attached to a load cell (not shown), and a scraping member 6a for scraping and discharging the object to be weighed, and the scraping member 6a.
And a pair of reversing members 6b rotatably attached in opposite directions.

On the upper surface of the support portion 5, eight linear feeders 7 for supplying the objects to be weighed into the weighing hopper 6 are arranged so as to obliquely intersect the radial direction as shown in FIG. A vibrating device 8 that vibrates the linear feeder 7 is provided below the linear feeder 7. A distribution feeder 9 including a supply hopper 9a is provided above the straight feeder 7. The base end of the distribution feeder 9 is attached to a rotating shaft 10 extending in the vertical direction, and the rotating shaft 10 is rotationally driven by a driving device 11 such as a motor provided on the upper portion of the frame 4. The distribution feeder 9 is horizontally rotated by the drive device 11, and the objects to be weighed in the supply hopper 9a are sequentially supplied from the tip end of the distribution feeder 9 to the base end of each linear feeder 7. A sensor 9b for detecting whether or not the object to be weighed is present in the linear feeder 7 is attached to the bottom of the tip of the distribution feeder 9. When the sensor 9b detects that there is an object to be weighed in the straight-moving feeder 7, it does not vibrate the distribution feeder 9 and when it detects that there is no object to be weighed, it vibrates the distribution feeder 9 and moves straight. The object to be weighed is supplied to the feeder 7.

At the lower part of the opening 5a of the support portion 5, an inverted conical discharge chute 14 for discharging the objects to be weighed dropped from the bottom of the weighing hopper 6 to the cup 13 on the conveyor 12.
Is provided. Next, the operation of the combination weighing device 1 of the present invention will be described. First, after a predetermined amount of the object to be weighed is put into the supply hopper 9a of the distribution feeder 9, the driving device 1
1 is driven to rotate the distribution feeder 9 in the horizontal direction. At that time, the sensor 9b of the distribution feeder 9 supplies the object to be weighed to the linear feeder 7, and the object to be weighed is not supplied to the linear feeder 7 if it remains. The object to be weighed supplied to the linear feeder 7 is supplied to the weighing hopper 6 while being vibrated by the vibrating device 8. When the objects to be weighed are stored in the weighing hopper 6, the weight of the objects to be weighed is measured by the load cell as in the conventional case, and the arithmetic unit is arranged so that the total of the weighing values of the respective weighing hoppers 6 becomes a preset value. The combination calculation is performed by. Next, by sending a discharge signal to each of the weighing hoppers 6 combined based on the calculation result, the reversing member 6b of the weighing hopper 6 is moved to the position shown in FIG.
Rotate in the direction of arrow to discharge the object to be weighed. The discharged object to be weighed is fed into the cup 13 via the discharge chute 14, and the cup 13 is conveyed by the conveyor 12 to a device (not shown) for the next process.

According to the present invention, since the respective weighing hoppers 6 are gathered and arranged in the central portion, the discharging angle of the discharging chute 14 can be made an acute angle, and even if the object to be weighed is a soft solid material. , Does not adhere to the inner wall of the discharge chute 14. Further, the size of the discharge chute 14 can be made extremely smaller than that of the conventional weighing device, so that the device can be downsized. Further, since the weighing hoppers 6 are formed so that the central portion side is tapered, the respective weighing hoppers 6 can be brought closer to the central portion, and the effect of the acute angle of the discharge angle and the miniaturization of the apparatus can be further achieved.
Further, since the straight-moving feeder 7 is arranged so as to obliquely intersect the radial direction of the circumference, the straight-moving feeder 7 can be lengthened in the same space as the conventional one, and the time for giving vibration to the object to be weighed can be increased. can do. Further, since the machine base 3 is provided with the wheels 2, it can be easily installed and removed from the existing conveyor 12. Although the preferred embodiments of the present invention have been described above, various modifications may be made to the disclosed embodiments within the scope of the technical matters described in the claims without departing from the scope or spirit of the invention. It is clear that For example, in order to prevent the object to be weighed from spilling from the upper portion of the linear feeder 7 when supplying the object to be weighed from the distribution feeder 9, as shown in FIG. You may unfold. Further, the objects to be weighed may be supplied to the weighing device 1 manually as in the present embodiment, or may be automatically supplied by connecting a known supplying device to the supply hopper 9a.

[0011]

According to the present invention, the following excellent effects are exhibited. (1) Since the respective weighing hoppers are gathered and arranged in the central portion, the discharging angle of the discharging chute can be made to be an acute angle, and even if the measured object is a flexible solid material having high adhesiveness, It does not adhere to the inner wall. Further, since the discharge chute can be made smaller than the conventional measuring device, the device can be downsized. In addition, since the distance between the weighing hopper and the outlet of the discharge chute can be shortened, there is no variation in discharge time, productivity can be improved, and high-quality products without damage or collapse can be manufactured. You can (2) When the weighing hopper is formed so that the central portion side is tapered, the respective weighing hoppers can be brought closer to the central portion, and the effects of the acute angle of discharge and the miniaturization of the device can be further achieved. (3) If the straight feeder is arranged so as to cross the radial direction of the circumference obliquely, the straight feeder can be lengthened in the same space as the conventional one, and the time to give vibration to the object to be weighed can be lengthened. You can

[Brief description of drawings]

FIG. 1 is a side view showing a combination weighing device of the present invention.

FIG. 2 is a plan view showing a combination weighing device of the present invention.

FIG. 3 is a schematic plan view showing the arrangement of a straight feeder according to the present invention.

FIG. 4 is a schematic plan view showing the shape of a straight feeder according to another embodiment of the present invention.

FIG. 5 is a schematic plan view showing the arrangement of the weighing hopper of the present invention.

FIG. 6 is a perspective view showing a weighing hopper of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Combination weighing device 2 ... Wheel 3 ... Machine stand 4 ... Frame 5 ... Support part 6 ... Weighing hopper 7 ... Straight feeder 8 ... Oscillating device 9 ... Distributing feeder 10 ... Rotating shaft 11 ... Driving device 12 ... Conveyor 13 ... Cup 14 … Discharge chute

Claims (3)

[Claims] 1. A weighing hopper arranged in a circumferential direction for accommodating an object to be weighed, a straight feeder for supplying the object to be weighed to the weighing hopper, and a combination based on a measured value of the accommodated object to be weighed. A combination weighing device having a discharge chute for collecting the objects to be weighed discharged from each weighing hopper, wherein the weighing hoppers are collectively arranged in a central portion. 2. The combination weighing device according to claim 1, wherein the weighing hopper is formed so that a central portion side thereof is tapered. 3. The combination weighing device according to claim 1, wherein the linear feeder is arranged so as to obliquely intersect the radial direction of the circumference.