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High-precision electronic belt scale

An electronic belt scale, high-precision technology, applied in the direction of measuring devices, instruments, weighing, etc., can solve the problem of low measurement accuracy of ordinary quantitative feeders, achieve the effect of convenient installation and adjustment, and improve accuracy

Inactive Publication Date: 2014-12-24
HANGZHOU ZHONGNAN ELECTRONICS ENG
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0011] The technical problem to be solved by the present invention is to provide a high-precision electronic belt scale, especially a quantitative feeder, which solves the problem of low measurement accuracy of ordinary quantitative feeders, and the measurement accuracy can reach 0.1 level. To improve the measurement accuracy, the material of the measuring scale frame is light, and the structure is not easy to accumulate dust, which is beneficial to the long-term stability of the tare weight

Method used

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Experimental program
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Effect test

Embodiment 1

[0036] Embodiment 1, the two ends of the two outer flat irons 42 are respectively provided with screw mandrels 6 on the measuring scale frame 4, that is, the number of load cells 7 is four, and four measuring scale frames are provided between the measuring scale frame 4. The idler rollers 51, the distance between each metering idler roller 51 is 200mm. This situation is to realize the purpose of the invention of the present invention, and the number of load cells and weighing rollers is the least, which can meet the requirements of general users. The distance between the metering rollers is 200mm, which is the most suitable value obtained after many experiments. At this time, the length of the entire quantitative feeder is moderate, and the operation is the most stable.

Embodiment 2

[0037] Embodiment two, the two ends of two outer flat irons 42 are respectively provided with screw mandrels 6 on the described measuring scale frame 4, and the middle parts of two outer flat irons 42 are respectively provided with screw mandrels 6, that is, the load cell 7. The number is six, and four measuring idler rollers 51 are provided between the measuring scale frames. This situation is to achieve higher measurement accuracy while realizing the purpose of the present invention, or to ensure that the entire quantitative feeder is smoothly continue to operate.

Embodiment 3

[0038] Embodiment three, the two ends of the two outer flat irons 42 are respectively provided with screw mandrels 6 on the measuring scale frame 4, that is, the number of load cells 7 is four, and six measuring scale frames are provided between the measuring scale frame 4. Roller 51. This situation is the situation of lengthening the metering interval and metering more materials while realizing the purpose of the invention of the present invention.

[0039] to combine image 3 and Figure 4 , it can be seen that the measuring scale frame 4 is welded by six flat irons, wherein the two sides perpendicular to the measuring roller 51 are welded by two inner and outer flat irons. The flat irons are not only light in material, but also because of the The thickness is small, the entire measuring scale frame takes up less space, and it is not easy to accumulate dust. In the present invention, it is found through experiments that the thickness of the flat iron is 8-10 mm, and the r...

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Abstract

The invention relates to a high-precision electronic belt scale, in particular to a constant weight feeder. The high-precision electronic belt scale is characterized in that a rectangular metering scale frame is fixed to a body frame, one end of each weighing sensor is connected with a lead screw arranged on the metering scale frame, the other ends of the weighing sensors and the body frame are fixed through bolts, and mounting cushion blocks with the inclination identical with that of the body frame are arranged between the weighing sensors and the body frame. The metering scale frame is formed by welding six pieces of flat iron, the two sides, perpendicular to the direction of metering carrier rollers, of the metering scale frame are formed by welding outer flat iron and inner flat iron, clamping grooves are formed in the upper edge of the inner flat iron, and the two ends of the metering carrier rollers are clamped with the corresponding clamping grooves respectively and are fixed through bolts. The problem that a common constant weight feeder is not high in measurement precision is solved, the measurement precision can reach the level 0.1, meanwhile, materials of the metering scale frame arranged in order to improve the measurement precision are light, dust accumulation in the structure is not prone to happening, and long-term belt stability is facilitated.

Description

technical field [0001] The invention relates to a high-precision electronic belt scale, in particular to a quantitative feeding machine. Background technique [0002] Generally speaking, the accuracy of electronic belt scales is not very high, mainly used for internal measurement control. With the introduction of foreign technology, many professional belt scale manufacturers have been able to produce high-precision electronic belt scales. The high-precision electronic belt scale is generally composed of a scale frame, a speed sensor, a high-precision load cell, a high-precision belt scale control display instrument, etc., and can continuously and dynamically measure solid materials. [0003] Electronic belt scales can be roughly divided into two types: pass-through belt scales and quantitative feeders. The former is suitable for trade settlement, while the latter is mainly for process control, which plays a role in increasing the qualified rate of products. Because of the ...

Claims

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Application Information

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IPC IPC(8): G01G11/04G01G11/12
Inventor 徐福祥张力成
Owner HANGZHOU ZHONGNAN ELECTRONICS ENG
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