JP3101961U - Raw material vacuum suction type measuring device - Google Patents

Abstract

An object of the present invention is to mix various kinds of raw materials, satisfy the needs of a production process with many changes, manage each production data during a production process instantly, easily organize work environment, and easily construct a factory. Provide a weighing / transporting device that significantly reduces costs.
A frame is provided with a support frame on which a measuring device is attached, and a plurality of measuring hoppers for measuring a dried raw material are respectively suspended from the plurality of measuring devices. The raw material in the raw material tank 7 is transported to the measuring hopper 3 via the wind tunnel 41 by the vacuum suction force of the suction fan 4, and at the same time, the weight of the raw material taken in by the measuring device 2 is measured.
[Selection diagram] Fig. 1

Description

This invention relates to a raw material vacuum suction type weighing device, especially for a device that requires the blending of various types of raw materials, the use of a hanging type weighing device reduces the overall volume of the device and reduces the installation space in the factory. It relates to a weighing device.

With the rapid progress of science and technology, people's lives are improving steadily, and demands for quality are gradually becoming more stringent. Therefore, manufacturers attach great importance to quality and diversification needs of consumers' products, and are developing products that meet the needs. Products that meet the needs meet the required properties by adding various physical property modifiers (such as foaming agents, auxiliaries, stabilizers, etc.) during the production process, but the product production process is complicated. Therefore, higher accuracy is required, and unless the data management is strictly implemented, the market requirements cannot be satisfied.

At present, as shown in FIG. 5, a weighing hopper in an apparatus that requires the blending of various kinds of raw materials is provided with a main weighing hopper 8 for measuring a main raw material occupying most of the total components. There is also provided an auxiliary weighing hopper 81 and a liquid raw material weighing hopper 81a for measuring the auxiliary raw material occupying a small part of the above.
Below each of the weighing hoppers, a weighing element 811 is provided, and above the auxiliary weighing hopper 81, the same number of intermediate hoppers 82 and helical transporter lines 83 as the types of the raw materials to be charged are provided. .
Each of the spiral transporter pipelines 83 separately corresponds to one intermediate hopper 82, and an artificial raw material input hopper 821 for different raw materials or a dust collector 822 of the raw material transporter is provided on each intermediate hopper 82. It is.
When actually used, the raw material is sucked up from the bag into the raw material transporter, and after the powder is filtered by the dust collector 822, the raw material falls into the intermediate hopper 82, or the raw material is dropped from the artificial raw material input hopper 821. It is put into the intermediate hopper 82.
The raw material in each intermediate hopper 82 is transported into the main weighing hopper 8, the auxiliary weighing hopper 81, and the liquid raw material weighing hopper 81a by the spiral transport line 83, and at the same time, the weighing element 811 measures their weight. When the weight of the desired component is reached, the spiral transport line 83 is shut off. After that, the raw materials in the plurality of auxiliary weighing hoppers 81 are transported into the main weighing hopper 8, fed into the mixer 85 via the distribution valve 84 and agitated, and then transported to the next processing equipment for processing. carry out.

As is clear from the above configuration, as long as the mixing of various types of raw materials is required, the installation of the weighing hopper requires a building having a height of about three floors, requires a large space, Carrying and putting in is dangerous, the scattering of dust is severe, the accumulation of empty bags occupies space, and there is a possibility of product disposal due to incorrect input of raw materials. In order to transport and input raw materials, complicated equipment such as a raw material input transporter and a spiral transport pipeline is required, so that the investment amount is high, and in a traditional work process, the raw materials are left in the vicinity of the equipment. , Work management becomes difficult.

The main purpose of this invention is to satisfy the needs of the changing production process, manage each production data instantly during the production process, simplify the work environment and reduce the cost of factory construction. Provided is a raw material vacuum suction type weighing device which can be applied to a production facility for a product using powder and granules and liquid as raw materials.

In order to achieve the above object, the invention of the present application is to provide a frame in which the device is installed, a supporting frame to which a measuring device is attached, and to each of the plurality of measuring devices, a dried raw material. A weighing hopper for weighing is separately suspended, and a dust collector is provided on the weighing hopper, which communicates with one suction fan via a wind tunnel, and a raw material is provided on the weighing hopper. An intake pipe is connected, one air volume control valve is provided at the end of the raw material intake pipe, and a flow control valve is separately provided in a branch pipe on a side of the raw material intake pipe. In the inside of the flow control valve, there is provided an air volume control unit that controls the closing seat body by a drive unit, and a raw material transport control unit that controls a gate plate by a drive unit, and each of the flow control valves is provided. Raw material through raw material suction pipe The raw material in the raw material tank is sucked and passed through the raw material suction pipe and the raw material intake pipe into the measuring hopper, and then the weight is measured by the measuring device. The gist of the invention is that it is a raw material vacuum suction type measuring device.

In the invention of the present application, when weighing dry raw materials, it is possible to select a main weighing hopper for weighing main raw materials and an auxiliary weighing hopper for weighing additives depending on the characteristics, type and quantity of raw materials. The gist of the present invention is a raw material vacuum suction type weighing device according to claim 1.

In the invention of the present application, the support frame provided on the frame in which the device is installed is provided with a liquid material measuring hopper for measuring the liquid material via a measuring device, and for controlling the intake volume of the liquid material. The gist of the present invention is a raw material vacuum suction type measuring apparatus according to claim 1, wherein a raw material intake pipe and a control valve are provided on the liquid raw material measuring hopper.

According to the raw material vacuum suction type metering device according to the present invention, the following effects can be obtained. (1) Since the raw material vacuum suction type weighing device according to the present invention is provided with only the same number of pipelines as the number of types of raw materials, the conventional complicated transport machine, pipelines, a large number of auxiliary weighing hoppers, Since the main weighing hopper and the raw material taking-in facility are not required, the volume of the entire apparatus can be reduced, the installation space in the factory can be reduced, and the cost of the factory construction can be greatly reduced.

(2) The raw material vacuum suction type measuring device according to the present invention can be installed at a place other than 100 meters and can automatically transport and measure the raw material by a small raw material suction pipe. Since the neglect is no longer visible and the raw material storage area is separated from the production area, the work environment can be easily organized.

(3) In the raw material vacuum suction type metering device according to the present invention, since each raw material tank separately uses a dedicated raw material suction pipe, there is no possibility of erroneous input of raw materials.

(4) In the raw material vacuum suction type weighing device according to the present invention, the flow control valve controls the raw material intake weight each time and relieves the vacuum pressure when the raw material is taken in. Become more precise, and thus the product becomes more sophisticated.

(5) Since the raw material vacuum suction type weighing device according to the present invention is controlled by the sequencer, each production data during the production process can be managed immediately, and the weighing process can be completed completely.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

First, reference is made to FIGS. FIG. 1 is a schematic front view of a raw material vacuum suction-type measuring device according to the present invention, FIG. 2 is a schematic side view of the raw material vacuum suction-type measuring device according to the present invention, and FIG. 3 is a raw material vacuum suction according to the present invention. FIG. 2 is a schematic plan view of the weighing device. In the raw material vacuum suction type weighing device according to the present invention, a support frame 11 on which a weighing device 2 is attached is provided on a frame 1 on which the device is installed, and three sets of the weighing devices 2 constitute one set. And a liquid material measuring hopper 33 for measuring the liquid material.
When weighing the dried raw materials, the user selects a main weighing hopper 31 for weighing main raw materials and an auxiliary weighing hopper 32 for weighing additives according to the characteristics, type and quantity of the raw materials. Can be used.
A plurality of raw material intake conduits 331 are provided on the liquid raw material measuring hopper 33.
Each raw material intake pipe 331 is provided with a control valve 332 for controlling the intake of the liquid raw material.
On the main weighing hopper 31 and the auxiliary weighing hopper 32, there is provided a dust collector 34 communicating with one suction fan 4 via a wind tunnel 41, and on the main weighing hopper 31 and the auxiliary weighing hopper 32 Are connected to the raw material intake lines 311 and 312 separately, and one air volume control valve 35 is separately provided at the end of the raw material intake lines 311 and 312. On the side, a branch pipe of the same number as the type of the raw material is provided with a flow control valve 5 for controlling the intake of the raw material separately, and the flow control valve 5 is connected to the raw material suction pipe 51. It communicates with the raw material tank 7 through the.
Inside the flow control valve 5, there are provided an air volume adjusting unit 52 for controlling the closing seat 522 by a driving unit 521 and a raw material transport adjusting unit 53 for controlling a gate plate 532 by a driving unit 531.
The mixing and discharging hopper 6 is provided at the bottom end of the main weighing hopper 31, and the bottom end of the auxiliary weighing hopper 32 also communicates with the upper side of the mixing and discharging hopper 6, so that the raw material is transferred from the mixing and discharging hopper 6 to a mixer (not shown). After being discharged and mixed, it is transported to the next processing process.

Each of the measuring devices 2, the control valve 332, the air volume control valve 35, the suction fan 4, the flow control valve 5, and the mixing / discharging hopper 6 are electrically connected to one sequencer 20, and the sequencer 20.

For actual use, the raw material tank 7 is installed at a place other than 100 meters or buried underground, and each raw material suction pipe 51 is inserted into the raw material tank 7, where the main measuring hopper 31 and the auxiliary measuring The hopper 32 resets before the weighing, and the flow control valve 5 is closed when the suction fan 4 is turned on and air is sucked, and the flow control valve 5 is opened by the sequencer 20 here. As a result, external air enters the raw material intake pipes 311 and 321 via the air volume control valve 35, then enters the main weighing hopper 31 and the auxiliary weighing hopper 32, passes through the dust collector 34, and The air is discharged from the suction fan 4 via the body 41. After the internal pressures of the main weighing hopper 31 and the auxiliary weighing hopper 32 are equilibrated (that is, the measurement data of the weighing device is stable), the sequencer 20 sets the main weighing hopper 31 and the auxiliary weighing hopper 32 to be measured by the weighing device 2. The initial weight is stored and reset.
Next, the air volume control valve 35 is closed, the drive unit 531 is triggered, and the gate plate 532 of any one of the raw material transport control units 53 of the flow control valve 5 is moved upward to open the raw material tank. The raw material in 7 is sucked into the main weighing hopper 31 and the auxiliary weighing hopper 32 via the raw material intake pipes 311 and 321 by the raw material suction pipes 51.
The raw material and air are separated by a dust collector 34, and the raw material falls into the main weighing hopper 31 and the auxiliary weighing hopper 32. At the same time, the air passes through the filter and passes through the wind tunnel 41, Is discharged from
The pressure inside the main weighing hopper 31 and the auxiliary weighing hopper 32 increases due to the effect of the vacuum generated by the suction fan 4, which affects the accuracy of the weighing device 2, so that the raw material taken in approaches the set weight to some extent. Before this, the closing portion 522 is controlled by the driving portion 521 of the air volume adjusting unit 52 in the flow control valve 5 to open the air inlet 523, so that an appropriate amount of air is taken in and the vacuum pressure is reduced. Then, the main weighing hopper 31 and the auxiliary weighing hopper 32 return to the stored initial pressure value and reduce the concentration of the taken-in raw material, so that the flow rate of the raw material falling into the main weighing hopper 31 and the auxiliary weighing hopper 32 is reduced. The measurement accuracy of the measuring device 2 is improved. When the taken-in raw material reaches a set value, the raw material transport adjusting unit 53 moves the gate plate 532 downward by the driving unit 531 to stop the raw material intake. Thus, the weighing device 2 can measure the actual weight of the raw material introduced into the main weighing hopper 31 and the auxiliary weighing hopper 32. After that, the other flow control valve 5 is opened, and another kind of raw material is sucked up from the raw material tank 7 in order by the raw material suction pipe 51 and measured.

After each raw material is put into the main weighing hopper 31, the auxiliary weighing hopper 32, and the liquid raw material weighing hopper 33 and weighed, the mixing provided from the bottom end of the auxiliary weighing hopper 32 to the bottom end of the main weighing hopper 31 is performed. After being transported to the discharge hopper 6 and discharged to the mixer together with the liquid raw material in the liquid raw material measuring hopper 33, the next processing process is started. The above transporting and weighing processes are controlled by the sequencer 20.

1 is a schematic front view of a raw material vacuum suction type metering device according to the present invention. It is a side schematic diagram of the raw material vacuum suction type | mold measuring device which concerns on this invention. FIG. 2 is a schematic plan view of a vacuum suction type measuring device according to the present invention. FIG. 3 is a schematic cross-sectional view of the flow control valve according to the present invention. It is the front schematic of the conventional thing.

Explanation of reference numerals

REFERENCE SIGNS LIST 1 frame 11 support frame 2 weighing device 20 sequencer 3 weighing hopper 31 main weighing hopper 311 raw material intake line 32 auxiliary weighing hopper 321 raw material intake line 33 liquid raw material weighing hopper 331 raw material intake line 332 control valve 34 dust collector 35 air volume Control valve 4 Suction fan 41 Wind tunnel 5 Flow control valve 51 Raw material suction pipe 52 Air volume control unit 521 Drive unit 522 Blocking seat 523 Air inlet 53 Raw material transport control unit 531 Drive unit 532 Gate plate 6 Mixing discharge hopper 7 Raw material tank 8 Main weighing hopper 81 Auxiliary weighing hopper 81a Liquid material weighing hopper 811 Measuring element 82 Intermediate hopper 821 Artificial material input hopper 822 Dust collector 83 Spiral transport line 84 Distributing valve 85 Mixer

Claims (3)

On the frame on which the device is installed, there is provided a support frame on which the scale is attached,
A weighing hopper for weighing the dried raw material is separately suspended from each of the plurality of weighing devices, and a dust collection device that communicates with one suction fan via a wind tunnel above the weighing hopper. Vessel is provided,
A raw material intake pipe communicates with the measuring hopper,
One air flow control valve is provided at the end of the raw material intake pipe,
A flow control valve is separately provided in a branch pipe on the side of the raw material intake pipe,
Inside the flow control valve, there is provided an air volume adjusting unit that controls the closing seat body by the driving unit, and a raw material transport adjusting unit that controls the gate plate by the driving unit,
Each of the flow control valves communicates with the raw material tank via the raw material suction pipe, whereby the raw material in the raw material tank is sucked and passes through the raw material suction pipe and the raw material intake pipe and enters the measuring hopper. Measuring the weight by the weighing device,
Material vacuum suction type measuring device. When weighing dry raw materials, a main weighing hopper for measuring main raw materials and an auxiliary weighing hopper for measuring additives can be selected according to the characteristics, type and quantity of raw materials. The raw material vacuum suction type weighing device according to claim 1, wherein On a support frame provided on a frame in which the apparatus is installed, a liquid material measuring hopper for measuring a liquid material is provided via a measuring device, and in order to control an intake volume of the liquid material, the liquid material The raw material vacuum suction type measuring device according to claim 1, wherein a raw material intake pipe and a control valve are provided on the measuring hopper.

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