CN204666242U - A kind of truing tool for belted electronic balance - Google Patents

Abstract

The utility model relates to a kind of truing tool for belted electronic balance, comprise: the platy structure (11) identical with the weight of material to be measured, platy structure (11) can be intervally arranged along the traffic direction of belted electronic balance (2) when calibrating, thus simulates material to be measured and calibrate belted electronic balance (2).This kind of truing tool can carry out actual material calibration to belted electronic balance by object simulating, avoids the phenomenon that calibration result and actual production process do not conform to as far as possible, and then improves measuring accuracy; And it can fast and effeciently be calibrated by object simulating, does not need breaks in production process; Practical operation is simultaneously simple and convenient, calibrates consuming time short, can calibrate belted electronic balance in time before manufacture.

Description

A kind of truing tool for belted electronic balance

Technical field

The utility model relates to measuring equipment collimation technique field, particularly relates to a kind of truing tool for belted electronic balance.

Background technology

Belted electronic balance widely uses in tobacco business primary processing line, and after being mainly used in tobacco bale section, flow control and batch weight are measured, for the weight of continuous coverage block-shaped chip cigarette.When after use a period of time, the measuring accuracy of belted electronic balance will decline, and this just needs to calibrate belted electronic balance.

The calibration steps of current belted electronic balance is a lot, such as: the calibration of calibration of weight, link code, captive chain calibration, circulating chain code calibration and actual material calibration.Wherein calibration of weight is due to easy to use and be widely used.

But calibration of weight in actual use, there is the phenomenon that calibration result does not conform to actual production process, be described below by a calibration case.In process of production, from production data, find that belted electronic balance is partially lighter by about 1% than reality, need calibrate it.This belted electronic balance is I level scale, and scale division value is 0.1kg, and use location is that after bag section opened by 6000kg/h line, the maximum dynamic accumulation error of permission is ± 1%.Verification standard adopts 12 grades to be the 20kg counterweight of F2 level, and the scale division value of counterweight is 0.01kg, namely simulates material with the counterweight of 240kg.In normal verification environment, carry out three verifications, when first time verifies, it is 242.9kg that belted electronic balance records cumulative weight, and dynamic accumulation error is 1.21%; When second time verifies, it is 243.9kg that belted electronic balance records cumulative weight, and dynamic accumulation error is 1.62%; Third time, when verifying, it was 243.4kg that belted electronic balance records cumulative weight, and dynamic accumulation error is 1.42%.Known by data, the displayed value of belted electronic balance is laid particular stress on than actual weight.

As can be seen here, the result of calibration of weight is just contrary with the realistic accuracy of belted electronic balance, can not react the realistic accuracy of belted electronic balance really.Occur that the reason of this phenomenon is that 20kg counterweight volume is little, less to the active area of belted electronic balance because the LOAD CELLS of belted electronic balance is arranged on four angles of scale frame, cannot allow belted electronic balance uniform stressed.Therefore use the belted electronic balance that calibration of weight is complete, may occur when the actual material of weighing the problem that measuring error is larger.

Utility model content

The purpose of this utility model proposes a kind of truing tool for belted electronic balance, can avoid the phenomenon that calibration result and actual production process do not conform to as far as possible, thus improve the measuring accuracy of belted electronic balance.

For achieving the above object, the utility model provides a kind of truing tool for belted electronic balance, comprise: the platy structure 11 identical with the weight of material to be measured, described platy structure 11 can be intervally arranged along the traffic direction of described belted electronic balance 2 when calibrating, thus simulates described material to be measured and calibrate described belted electronic balance 2.

Further, described material to be measured is block-shaped chip cigarette.

Further, the floorage of described platy structure 11 is identical with described block-shaped chip cigarette.

Further, described platy structure 11 is identical with the shape of described block-shaped chip cigarette with the surface of contact of described belted electronic balance 2.

Further, also comprise handle 12, described handle 12 is arranged on described platy structure 11, can assist the described truing tool for belted electronic balance of carrying.

Further, the weight of described platy structure 11 is 15kg, and length is 700mm, and width is 300mm, and thickness is 10mm.

Further, described belted electronic balance 2 is oblique belt belted electronic balance.

Based on technique scheme, the truing tool for belted electronic balance of the utility model embodiment, by arranging the platy structure identical with weight of material to be measured, material to be measured can be simulated actual material calibration is carried out to belted electronic balance, avoid the phenomenon that calibration result and actual production process do not conform to as far as possible, thus improve the calibration accuracy of belted electronic balance, and then improve measuring accuracy.In addition, this kind of truing tool can fast and effeciently be calibrated by object simulating, does not need breaks in production process; Practical operation is simultaneously simple and convenient, calibrates consuming time short, can calibrate belted electronic balance in time before manufacture.

Accompanying drawing explanation

Accompanying drawing described herein is used to provide further understanding of the present utility model, and form a application's part, schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:

Fig. 1, Fig. 2 are respectively the utility model for the vertical view of an embodiment of the truing tool of belted electronic balance and side view;

Fig. 3 is the structural representation of the utility model for an embodiment of the truing tool of belted electronic balance;

Fig. 4 is the using state schematic diagram of the utility model for the truing tool of belted electronic balance.

Embodiment

Below describe the utility model in detail.In the following paragraphs, the different aspect of embodiment is defined in more detail.The each side of restriction like this can combine with any other one aspect or many aspects, not may be combined with unless explicitly stated otherwise.Especially, be considered to preferred or favourable any feature and one or morely can be considered to preferred or favourable feature with other.

Mention in background technology, use the belted electronic balance after calibration of weight may occur the phenomenon do not conformed to actual production process.If simple in order to obtain higher calibration accuracy, in the above-mentioned several calibration stepss mentioned, the confidence level of actual material calibration is the highest, namely material to be measured is adopted to calibrate, but the apparatus cost of actual material calibration is high, take up an area space greatly, material object is more difficult takes, and need to calibrate in process of production, can interrupt and affect production, the alignment time is long simultaneously, and process is complicated, cannot calibrate in time, these shortcomings cause very large difficulty to the use of actual material calibration mode.

The utility model will propose the higher and easy to use truing tool being used for belted electronic balance of a kind of calibration accuracy for this reason, in one embodiment, as shown in Figures 1 to 4, comprise: the platy structure 11 identical with the weight of material to be measured, platy structure 11 can be intervally arranged along the traffic direction of belted electronic balance 2 when calibrating, thus simulates material to be measured and calibrate belted electronic balance 2.

The truing tool for belted electronic balance of the utility model embodiment, by arranging the platy structure identical with weight of material to be measured, can carry out actual material calibration to belted electronic balance by object simulating, the weight herein mentioned is identical refers to that the weight of material to be measured in platy structure and actual production is close.

LOAD CELLS due to belted electronic balance is arranged on four angles of scale frame, the counterweight volume that calibration of weight adopts is little, make the lifting surface area that acts on belted electronic balance less, cause allowing belted electronic balance uniform force, and truing tool of the present utility model is platy structure, the lifting surface area acted on compared with counterweight on belted electronic balance is larger, more close to the acting force situation of actual material to be measured, thus this object simulating truing tool can avoid the phenomenon that calibration result and actual production process do not conform to as far as possible, improve the calibration accuracy of belted electronic balance, thus improve measuring accuracy further.In addition, this kind of truing tool fast and effeciently can carry out object simulating calibration, does not need breaks in production process; Practical operation is simultaneously simple and convenient, calibrates consuming time short, can calibrate belted electronic balance in time before manufacture.

This belted electronic balance can be applied to the weighing of all kinds of material, and according to different use fields and weighing object, engineering staff can design corresponding truing tool.Such as, belted electronic balance is used in tobacco business primary processing line, and after being mainly used in tobacco bale section, flow control and batch weight are measured, and for the weight of continuous coverage block-shaped chip cigarette, at this moment material to be measured is block-shaped chip cigarette.

Preferably, the floorage of platy structure 11 is identical with block-shaped chip cigarette.When truing tool is identical with the weight of block-shaped chip cigarette, then both floorages are designed to identical parameter, can ensure the active area of belted electronic balance and to be actually close, thus simulating actual weighing process better.Wherein, the floorage mentioned here is identical refers to that the floorage of block-shaped chip cigarette in platy structure and actual production is close.

Closer, platy structure 11 can also be made identical with block-shaped chip cigarette with the surface of contact of belted electronic balance 2, the bottom shape of such as platy structure 11 is rectangle, this embodiment can at utmost in simulation actual production process block-shaped chip cigarette to the operative condition of belted electronic balance, thus raising calibration accuracy, and then improve the measuring accuracy of belted electronic balance.

In another embodiment, as shown in Figure 3, this truing tool being used for belted electronic balance also comprises handle 12, and handle 12 is arranged on platy structure 11, and carrying can be assisted for the truing tool of belted electronic balance.Handle 12 can be fixed or be arranged on the upper surface of platy structure 11 actively, and as shown in Figure 4, when needs are calibrated, truing tool can be placed on belted electronic balance 2, also by shaking hands 12 to move truing tool by gripping handle 12 by operating personnel; After calibration terminates, truing tool can unload from belted electronic balance 2 by gripping handle 12 by operating personnel, and the application of truing tool can be made so convenient, thus improves calibration efficiency.

The belted electronic balance mentioned in the various embodiments described above can be oblique belt belted electronic balance, it is a kind of metering outfit generally used in current tobacco business primary processing line, the oblique belt belted electronic balance adopted during actual production mostly is I level scale, use the middle limits of error be ± 1%.

By with the example of in actual production, the use procedure of the utility model truing tool and effect are described below, illustrate with oblique belt belted electronic balance here.Be 15-20kg by the weight of every block cigarette block of oblique belt belted electronic balance metering aborning.Therefore, in a specific embodiment, the steel plate that making shape and floorage are all close with actual cigarette block carrys out cigarette substitute block and carries out school in kind scale, certainly also can select the material of other type.Every block plate is heavily about 15kg, and length is 700mm, and width is 300mm, and thickness is 10mm, and above the plane of steel plate, installs handle 12 be convenient to school scale, altogether making ten block plate.

In process of production, from production data, find that oblique belt belted electronic balance is partially lighter by about 1% than reality, need calibrate it, thus with this group steel plate, oblique belt belted electronic balance be calibrated.

First carry out weighing to steel plate before calibration, accepted standard device is the platform balance of 60kg, and grade is II level, and scale division value is 2g, carries out weighing to ten block plates, and the displayed value of platform balance is 152.272kg, and what record here is the standard quality of truing tool.

Then school scale process is performed: be arranged in one by one successively on oblique belt belted electronic balance by the traffic direction of ten block plates along belted electronic balance 2, weigh.The displayed value all discharging the belt belted electronic balance that retreads is 151.0kg, and then repeats with colonel's scale process twice, and the displayed value of oblique belt belted electronic balance is followed successively by 151.1kg, 151.0kg.By calculating, the precision of three school scales is respectively-0.84% ,-0.77% ,-0.84%, and the mean accuracy of three school scales is-0.82%.And tiltedly belt belted electronic balance itself is than reality partially light about 1%, the result that steel plate is calibrated as can be seen here conforms to belted electronic balance realistic accuracy, and this example illustrates that this truing tool can carry out actual material calibration to oblique belt belted electronic balance by object simulating.

Compared with the calibration of weight mentioned in background technology, object simulating calibration result of the present utility model comparatively conforms to actual production process, and can improve school scale precision, and then improves the measuring accuracy of belted electronic balance.Compared with actual material calibration, truing tool of the present utility model easily makes acquisition, and do not need breaks in production process, calibration process is simple and easy to operate, can be implemented in widespread use in actual pipe tobacco production run.

Above a kind of truing tool for belted electronic balance provided by the utility model is described in detail.Apply specific embodiment herein to set forth principle of the present utility model and embodiment; the explanation of above embodiment just understands method of the present utility model and core concept thereof for helping, and all employings are equal to the scheme of replacement formation all in the protection domain of this patent.Should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model principle, can also carry out some improvement and modification to the utility model, these improve and modify and also fall in the protection domain of the utility model claim.

Claims (7)

1. the truing tool for belted electronic balance, comprise: the platy structure (11) identical with the weight of material to be measured, described platy structure (11) can be intervally arranged along the traffic direction of described belted electronic balance (2) when calibrating, thus simulates described material to be measured and calibrate described belted electronic balance (2).

2. the truing tool for belted electronic balance according to claim 1, is characterized in that, described material to be measured is block-shaped chip cigarette.

3. the truing tool for belted electronic balance according to claim 2, is characterized in that, the floorage of described platy structure (11) is identical with described block-shaped chip cigarette.

4. the truing tool for belted electronic balance according to claim 3, is characterized in that, described platy structure (11) is identical with the shape of described block-shaped chip cigarette with the surface of contact of described belted electronic balance (2).

5. the truing tool for belted electronic balance according to claim 1, it is characterized in that, also comprise handle (12), described handle (12) is arranged on described platy structure (11), can assist the described truing tool for belted electronic balance of carrying.

6. the truing tool for belted electronic balance according to claim 2, is characterized in that, the weight of described platy structure (11) is 15kg, and length is 700mm, and width is 300mm, and thickness is 10mm.

7., according to the arbitrary described truing tool for belted electronic balance of claim 1 ~ 6, it is characterized in that, described belted electronic balance (2) is oblique belt belted electronic balance.