Line contact weighing device
A weighing device and line contact technology, applied in the field of weight detection scales and weight grading, can solve the problems of high cost, affecting weighing accuracy, weight loss of contents, etc., to improve weighing accuracy, improve weighing accuracy, and weigh The effect of precision improvement
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Example Embodiment
[0054] Example one: such as Figure 2-3 As shown, a line contact slide weighing device includes a control box 9, a bracket 8, and a weighing sensor 99 fixed on the bracket 8. The load-bearing end of the weighing sensor 99 is fixed with a weighing slide for objects to slide and weigh. Road 3.
[0055] figure 1 It is a schematic diagram showing that the lower left part of the weighed object 66 on the weighing slide 3 is in contact with the inner arc of the lower left bending line. It includes, the weighing slide 3 is a smooth groove-like structure with both ends opening along the running direction of the weighed object 66 and a concave cross-section. The groove-like structure is formed by bending a plate, including the weighing slide 3 The left vertical plate 72 on the left, the right vertical plate 74 on the right side of the weighing slide 3, and the slide bottom plate 73 connecting the right vertical plate 74 and the left vertical plate 72 correspond to the intersection of the l...
Example Embodiment
[0075] Embodiment two Figure 5 It is a schematic diagram of the lower left part of the object in contact with the upper surface of the slide plate. A line contact slide weighing device, the same as the first embodiment will not be repeated, the difference is that the lower left part of the weighed object 66 is in contact with the upper surface of the slide bottom plate 73 inside the left part of the weighing slide 3 , But the inner side of the left vertical plate 72 of the weighing chute 3 is close to the left side of the weighed object 66, which can reduce the requirements for the feeding accuracy of the front-stage feeding mechanism. When starting to slide, the left side of the weighed object 66 does not touch the inner side of the left vertical plate of the weighing slide 3.
[0076] The weighed object 66 is a thick hard paper packaging box with a weight of 25 g and a length, width, and height of 120 mm, 70 mm, and 24 mm, respectively. The feeding unit and speed are the same...
Example Embodiment
[0081] Example three, such as Image 6 As shown, a line contact slide weighing device, the same as in the first embodiment will not be repeated, the difference is that the lower left part of the weighed object 66 and the slide bottom plate 73 on the inner left side of the weighing slide 3 The upper surface and the inner arc corresponding to the lower left bending line 32 contact at the same time.
[0082] The weighed object is a thin and soft weighed object 55, which is a plastic soft packaging bag containing bulk materials with an actual weight of 5±0.1g, and the size is 50mmx50mmx4mm. The feeding unit and speed are the same as before.
[0083] The test results of the existing slide weighing technology are as follows: the standard deviation of continuous weighing of 20 bags is 0.025g, and the peak-to-peak error is 0.075g.
[0084] Such as Image 6 As shown, the left vertical plate 72 of the weighing chute 3 of the present invention is 8mm high, the right vertical plate 74 is 13mm hi...
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