JP2002107208A - Structure of weighing device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide the structure of a weighing device performing correct weighing and easy for weighing control. SOLUTION: A weighing case 10 is formed by pivotally connecting a fixed box plate 11 and a moving box plate 12, and when the moving box plate is closed, a weighing object is placed and weighed, when weighing value reaches a set value, the moving box plate 12 is opened around the pivotally connected part, and the inside weighing object is fed in a packaging bag. A loading means is placed on one side of the weighing case and measures the weight of the weighing object fed into the weighing case. An opening/closing mechanism 30 is installed in an appropriate portion on the outside of the moving box plate 12, and equipped with a moving rod 31 moving the moving box plate to open/ close it. A weighing plate is installed on the inside of the moving box plate 12 or the fixed box plate 11, and when a value of a measuring unit comes close to a set requirement and a feeding unit slowly feeds, the weighing object is delivered in a small amount or in a single, drops on the weighing plate, the amount of head is reduced, weighting is more correct, and the control of weighing is made easier.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure of a weighing device which achieves accurate weighing and easily controls weighing.

[0002]

2. Description of the Related Art As shown in FIG. 1, the structure of a well-known weighing device is such that a feed cylinder a 'is placed above a shipping device b', and weighing objects are sequentially fed to the shipping device b ', and the weighing material is fed to the end of the shipping device b'. The shipping device b 'drops the weighing object into the weighing tube 10', and the weighing tube 1
The load means 20 'on one side of 0' weighs the weighed object contained in the cylinder, and reduces the shipping speed when the weighed value approaches the set value,
A small amount or a single sample is sent out, and when the set value is reached, the postage is stopped, the activity box plate of the opening / closing mechanism 30 'is closed, and the sample is dropped into the packaging bag to complete the weighing operation. FIG. 2 shows a structure of another well-known technology, in which a fine feeding mechanism c 'is provided on a side or above one shipping device b' and provided on one side of a weighing tube 10 '. The weighing object in the cylinder is weighed by the loaded loading means 20 ', and when the weighing value approaches the set value, the shipping device b' stops shipping, and the fine feeding mechanism c 'slowly removes the weighing material to a small amount or a single amount. When the set value is reached, the postage is stopped, the activity box plate 12 of the opening / closing mechanism 30 'is opened, and the weighing object is dropped into the packaging bag to complete the weighing operation.

[0003] Fig. 3 shows the structure of another well-known weighing device, in which the weight of a weighing object in a cylinder measured by a load means 20 'on one side of a shipping device b' is set to a set value. When approaching, the rotation speed of the screw rod is reduced and a small amount of weighed material is sent out, and when the set value is reached, the postage is stopped, and the activity box plate of the opening / closing mechanism 30 'is opened, and the weighed material is placed in the packaging bag. Drop it to complete the weighing operation.

In the above-mentioned weighing device, the weighing object falling from the fine feeding mechanism c 'or the shipping device b' is directly transferred to the weighing tube 10 '.
And the amount of drop between it and the weighing tube 10 'is large.
There is a drawback that accurate measurement and counting cannot be performed because the measurement accuracy of 0 'is affected.

[0005]

SUMMARY OF THE INVENTION It is a primary object of the present invention to provide a type of weighing device structure, wherein one weighing plate is provided on at least one side of a weighing tube,
When the value of the weighing machine approaches the demand, the shipping mechanism or the fine feeding mechanism sends out the weighing material in a small amount or in a single system, the weighing material of the shipping mechanism is dropped on the weighing plate first, and the drop amount is reduced,
Further, accurate measurement is achieved and the measurement control is easy.

A further object of the present invention is to provide a kind of weighing device structure, in which one connecting rod extends from both ends of the moving rod of the opening / closing mechanism and pivots on both outer sides of the active box plate. A single groove is provided at the end of the connecting rod, and when the activity box plate is closed, the groove just fits with the fixing block of the fixed box plate to prevent unexpected opening of the activity box plate. It is assumed that the structure is as described above.

[0007]

According to a first aspect of the present invention, there is provided a scale tube, a fixed box plate and an active box plate are pivotally connected to each other. When the weighing value reaches the set value, the activity box plate is opened with the pivot point as a fulcrum, and the weighing material inside the weighing tube enters the packaging bag,
Being a load means, placed on one side of the weighing tube, weighing the weight of the weighing object sent into the weighing tube, the load means, and an opening and closing mechanism, provided in an appropriate portion outside the activity box plate, The above-mentioned opening and closing mechanism comprising a moving rod for moving and opening and closing the activity box plate, wherein at least one weighing plate is provided inside the activity box plate, as a structure of the weighing device. I have. According to a second aspect of the present invention, in the structure of the weighing device according to the first aspect, a small weighing plate is provided on the weighing plate.
According to a third aspect of the present invention, in the structure of the weighing device according to the first aspect, one connecting rod extends from both ends of the moving rod of the opening and closing mechanism, and the connecting rods are pivotally connected to both outer sides of the activity box plate. A weighing device is characterized in that one end of the connecting rod is provided with one concave groove which can be fitted to a fixing block provided on a fixing box plate. According to a fourth aspect of the present invention, in the structure of the weighing device according to the second aspect, one connecting rod is extended from both ends of the moving rod of the opening / closing mechanism, and the connecting rods are pivotally connected to both outer sides of the activity box plate. A weighing device is characterized in that one end of the connecting rod is provided with one concave groove which can be fitted to a fixing block provided on a fixing box plate. According to a fifth aspect of the present invention, in the structure of the weighing device according to the third aspect, the small weighing plate and the swing arm are provided in the activity box plate, and the weighing plate pivotally connected to the fixed box plate above the swing arm. It has the structure of a weighing device characterized by being placed. According to a sixth aspect of the present invention, in the structure of the weighing device according to the first aspect, the weighing plate is provided inside the fixed box plate, the swing arm is provided inside the active box plate, and the swing arm is provided with the weighing plate. And a connecting rod is provided at each end of the moving rod, and the connecting rod is pivotally connected to both outer sides of the activity box plate. According to a seventh aspect of the present invention, in the structure of the weighing device according to the sixth aspect, the weighing device further comprises one small weighing plate provided on the weighing plate.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS According to the present invention, a weighing plate is provided on one side of a weighing tube, and a weighing object of a shipping mechanism is first dropped on the weighing plate to reduce the amount of the head drop. In other words, when the number on the weighing machine approaches the setting request and the shipping device slowly ships, the weighing object is sent out in a small amount or singly and dropped on the weighing plate first, thereby reducing the amount of head drop and more accurate Weighing can be performed, and weighing control is further facilitated.

Specifically, according to the present invention, the weighing tube has a fixed box plate and an active box plate which are pivotally connected to each other. When the active box plate is closed, the weighing object is placed and weighed, and the weighed value is set to the set value. When you reach
The activity box plate is opened with the pivot point as a fulcrum, and the weighing object inside the weighing object is placed in one side of the weighing tube, and the weight of the weighing material sent into the weighing tube is weighed. The opening / closing mechanism is provided at an appropriate portion outside the activity box plate, and includes a moving rod for moving and opening and closing the activity box plate, and a measuring plate is provided inside the activity box plate or the fixed box plate, When the value of 近 approaches the setting request and the shipping device slowly ships, the weighing object is sent out in small or single, it falls on the weighing plate, reducing the amount of head drop, achieving more accurate weighing, In addition, the control of the weighing is further facilitated.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS As shown in FIGS. 4, 5 and 6, the structure of the weighing device of the present invention comprises a weighing tube 10, a load means 20, and an opening / closing mechanism 3.
0 is included.

The scale tube 10 comprises a fixed box plate 11 and an active box plate 1.
2 is pivotally connected, at least one weighing plate 121 of an appropriate size and height is provided inside the activity box plate, and one convex mass 111 is provided outside the fixed box plate 11, When the box plate 11 and the activity box plate 12 are closed, a weighing object can be placed.

The load means 20 is provided on the fixed box plate 1 of the scale tube 10.
1 is provided on one side to measure the weight of the weighed object sent into the weighing tube 10.

The opening / closing mechanism 30 comprises a moving rod 31 and a driving means 32. The driving means 32 is a pneumatic cylinder, a pneumatic cylinder capable of generating a movement or an eccentric mechanism, and the moving rod 31 is connected to one end thereof. The moving rod 31 is provided at an appropriate position outside the activity box plate 11, and one connecting rod 3 is provided from each end of the moving rod 31.
3 is extended and pivotally connected to both outsides of the activity box plate, and one end groove 331 is provided at the end of the connecting rod 33.

When the activation box plate 12 is closed by the operation of the driving means 32 which is a pneumatic cylinder or an eccentric mechanism, a rapid postage is started, the weighing object falls into the weighing cylinder 10 and the weighing cylinder 1
0, the load means 20 installed on one side weighs the weight of the weighing object in the cylinder, and when the weighed value of the load means 20 approaches the set value, the shipping mechanism lowers the shipping speed, and the weighing object is traced or singly collected. On the other hand, it is sent by the formula, and when the set value is reached, the postage is stopped. When the driving means 32, which is an air pressure cylinder or an eccentric mechanism, moves the moving rod 31, the active box plate 12 is opened or closed, and the weighing object falls into the packaging bag.
Complete the weighing operation. When transporting goods through the shipping mechanism,
The weighed object falls on the weighing plate 121 first, so that the amount of drop is small, and the load means 20 can quickly measure the weight of the weighed object,
This achieves accurate weighing and facilitates weighing control. Further, when the activation box plate 12 is closed by the operation of the driving means 32, the concave groove 33 at the end of the connecting rod 33 is provided.
1 just fits into the convex block 111 of the fixed box board 11, and there is no danger of the active box board 12 getting up.

Another embodiment of the present invention is shown in FIG. 7, in which a small weighing plate 122 is further provided on a weighing plate 121 inside the activity box plate 12, and the small weighing plate 122 is provided. Is located below the fine feeding mechanism, when the sample is quickly delivered, the sample first falls on the weighing plate 121 and the small weighing plate 122, and when the fine feeding mechanism slowly sends the sample, the sample is First, it falls on the small weighing plate 122 and further reduces the amount of drop of the weighed object, so that the load means 20 can quickly measure the weight of the weighed object, thus achieving more accurate weighing and easy control. I have.

A further embodiment of the invention is shown in FIG. 8, according to which the weighing plate 14 is fixed to the fixed box plate 1.
The swing arm 13 is provided on both sides of the activity box plate 12 to support the weighing plate 14 and when the weighing object is slowly delivered, the weighing object first falls on the weighing plate 14, ie, weighing is performed. The head drop of the object is reduced, and the load means 20 can quickly measure the weight of the object, thereby achieving more accurate weighing and being easier to control. In the embodiment shown in FIG. 9, a small weighing plate 122 is provided inside the activity box plate 12, and when the weighing object is quickly delivered, the weighing object falls on the weighing plate 14 and the small weighing plate 122 first. When the fine feeding mechanism slowly sends out the weighing object, the weighing object is first put on the small weighing plate 122.
Falling down further reduces the head drop of the weighed item, which allows the loading means 20 to quickly measure the weight of the weighed item, thus achieving more accurate weighing and easier control.

[0017] Yet another embodiment of the present invention provides:
As shown in FIGS. 10 and 11, according to this embodiment, one swing arm 13 is provided on both sides of the activity box plate 12 to support the weighing plate 14 pivotally mounted in the fixed box plate 11, Further, a small weighing plate 15 is provided on the base 14, and when the fine feeding mechanism slowly sends out the weighing object, the weighing object falls on the small weighing plate 15 first, thereby further reducing the drop amount of the weighing object. This allows the loading means 20 to quickly measure the weight of the weighed object, thus achieving more accurate weighing and facilitating control.

[0018]

According to the present invention, the weighing plate is provided on one side of the weighing tube, and the weighing object of the shipping mechanism is dropped on the weighing plate first.
The amount of the head is reduced. In other words, when the number on the weighing machine approaches the setting request and the shipping device slowly ships, the weighing object is sent out in a small amount or singly and dropped on the weighing plate first, thereby reducing the amount of head drop and more accurate Weighing can be performed, and weighing control is further facilitated.

Thus, the present invention achieves the expected effects,
And achieves a wide range of functions. The above description relates to a preferred embodiment of the present invention and does not limit the scope of the present invention, and any modification or alteration of details that can be made based on the present invention is not limited to the scope of the present invention. Shall belong to The present invention overcomes the disadvantages of known techniques,
In addition, it uses technical means that have not been used before,
It is inventive and has industrial value.

[Brief description of the drawings]

FIG. 1 is a side view of a well-known vibration shipping machine weighing device.

FIG. 2 is a side view of another well-known vibration shipping machine weighing device.

FIG. 3 is a side view of a well-known spiral postage metering device.

FIG. 4 is a perspective view of the weighing device of the present invention.

FIG. 5 is a local sectional view of the weighing device of the present invention.

FIG. 6 is a diagram illustrating an operation of opening a weighing tube according to the present invention.

FIG. 7 is a perspective view of another embodiment of the present invention.

FIG. 8 is a perspective view of still another embodiment of the present invention.

FIG. 9 is a perspective view of still another embodiment of the present invention.

FIG. 10 is a local sectional view of another embodiment of the present invention.

FIG. 11 is a diagram illustrating an operation of opening a weighing tube according to still another embodiment of the present invention.

[Explanation of symbols]

 a 'Feed cylinder 14 Measuring plate b' Shipping device 15 Small weighing plate c 'Fine feeding mechanism 20', 20 Loading means 10 ', 10 Scale tube 30', 30 Opening / closing mechanism 11 Fixed box plate 31 Moving rod 111 Convex block 32 Drive Means 12 Activity box plate 33 Connecting rod 121 Measuring plate 331 Groove 122 Small measuring plate 13 Swing arm

Claims (7)

[Claims] 1. A weighing tube, wherein a fixed box plate and an activity box plate are pivotally connected. When the activity box plate is closed, a sample is placed and weighed, and when the measured value reaches a set value, the activity box is set. The above-mentioned weighing tube, which serves as a load means, and is placed on one side of the weighing tube, and the weighing material is sent into the weighing tube, wherein the plate is opened with the pivot portion as a fulcrum and the weighing material inside the plate is opened into the packaging bag. Weighing the weight of the above-mentioned load means, and an opening and closing mechanism, provided at an appropriate portion outside the activity box board,
With a movement rod that moves the activity box board and opens and closes it,
The structure of a weighing device, comprising: the opening and closing mechanism; and at least one weighing plate is provided inside the activity box plate. 2. The structure of the weighing device according to claim 1, wherein a small weighing plate is provided on the weighing plate. 3. The structure of the weighing device according to claim 1, wherein one connecting rod is extended from both ends of the moving rod of the opening / closing mechanism, and the connecting rods are pivotally connected to both outer sides of the activity box plate. A structure of a weighing device, characterized in that one end of a rod is provided with one concave groove which can be fitted to a fixing block provided on a fixing box plate. 4. The structure of the weighing device according to claim 2, wherein one connecting rod extends from both ends of the moving rod of the opening / closing mechanism, and the connecting rods are pivotally connected to both outer sides of the activity box plate. A structure of a weighing device, characterized in that one end of a rod is provided with one concave groove capable of fitting with a fixing block provided on a fixing box plate. 5. The structure of the weighing device according to claim 3, wherein a small weighing plate and a swing arm are provided in the activity box plate, and a weighing plate pivotally connected to a fixed box plate is placed above the swing arm. Characterized in that the structure of the weighing device. 6. The structure of the weighing device according to claim 1, wherein the weighing plate is provided inside the fixed box plate, and a swing arm is provided inside the active box plate, and the swing arm supports the weighing plate. And a connecting rod extending at both ends of the moving rod and being pivotally connected to both outer sides of the activity box plate. 7. The structure of the weighing device according to claim 6, wherein one small weighing plate is further provided on the weighing plate.