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Load selection device and automatic melt index instrument

A technology of melt index meter and selection device, which can be used in measurement devices, instruments, flow characteristics, etc.

Pending Publication Date: 2020-07-14
深圳万测试验设备有限公司
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  • Abstract
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  • Claims
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Problems solved by technology

[0004] In order to solve the above-mentioned problems in the prior art, the present invention provides a load selection device and an automatic melt index meter to solve the problem that in the existing melt flow rate test, it is necessary to select weights by manual calculation and manually input the weights. The selected weight is loaded to the testing machine, and manual operation is prone to errors, which affects the technical problems of the test accuracy

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  • Load selection device and automatic melt index instrument
  • Load selection device and automatic melt index instrument
  • Load selection device and automatic melt index instrument

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Embodiment Construction

[0025] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments. Terms such as "upper", "lower", "left", "right", "middle" and "one" quoted in the preferred embodiment are only for convenience of description, and are not used to limit the scope of the present invention. The scope of implementation and the change or adjustment of its relative relationship shall also be regarded as the scope of implementation of the present invention without substantive changes in technical content.

[0026] Such as Figure 1 to Figure 3 As shown, the present invention provides a load selection device, including a weight box 1, a plurality of weights 6 stacked in the weight box 1, and an insertion rod 3 for selecting the weights 6, The bottom of the weight box 1 is provided with a box opening, and a gap for the horizontal insertion of the insertion rod 3 is reserved between adjacent weights 6. The front plate 2 of the weight bo...

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Abstract

The invention discloses a load selection device and an automatic melt index instrument. The load selection device comprises a weight box and a plurality of weights stacked in the weight box, and inserting rods used for selecting the weights, wherein a box opening is formed in the bottom of the weight box; a gap allowing the inserting rod to be horizontally inserted is reserved between the adjacentweights; at least one column of inserting holes are formed in a front plate of the weight box from top to bottom, the inserting holes correspond to the gaps in a one-to-one mode, the inserting rods are inserted into the gaps with the corresponding heights from the inserting holes, the weights located below the inserting rods in the weight box can freely fall off, and the other weights are supported by the inserting rods; the weight box is also provided with a plurality of sensors, the plurality of sensors are respectively used for detecting inserting rods which are inserted into the weight box and are located at different heights, and each sensor corresponds to a preset test load value. The test load can be quickly selected and switched by controlling the operation of the inserting rod; after the test load is switched, the test load value can be automatically identified without manual input; the device is simple in structure, high in reliability and low in cost.

Description

technical field [0001] The invention relates to the field of melt flow rate test equipment, in particular to a load selection device and an automatic melt index meter. Background technique [0002] Melt flow rate is an important reference for selecting plastic processing materials and grades, which can make the selected raw materials better meet the requirements of processing technology, and improve the reliability and quality of products in molding. [0003] The current melt flow rate testing machine generally relies on a special person to calculate the mass of the weight in the selection of the test load, and it is necessary to manually input the weight load selected for the test during the test. However, this manual calculation and input operation method is prone to errors, thereby affecting the accuracy and efficiency of the test. Therefore, the melt flow rate testing machine of the prior art is more and more unable to adapt to the rapid development of science and techn...

Claims

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Application Information

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IPC IPC(8): G01N11/00
CPCG01N11/00
Inventor 王建文
Owner 深圳万测试验设备有限公司
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