Three-roll crusher of printed circuit board
A printed circuit board, three-roller technology, used in grain processing and other directions, can solve problems such as deformation of the crushing roller, easy accumulation and blockage of bulk materials, affecting the breaking function, etc., to achieve smooth discharge, convenient operation and maintenance, and improved stress. the effect of the situation
Inactive Publication Date: 2012-06-13
HEFEI UNIV OF TECH
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Problems solved by technology
However, in actual use, when the material is bent and broken by the tooth tip edge of the crushing tooth, the blocky material is easy to accumulate and block in the grooved tooth roller, which affects the breaking function, and even causes the crushing roller to deform in severe cases.
Method used
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Embodiment Construction
[0030] In this example, if figure 1 , Figure 1a , Figure 1b with Figure 1c Shown:
[0031] The driving shaft is set to directly connect with the first roller (6) through the shaft coupling 4; the first roller 6 forms a meshing transmission with a roller gear 10 fixed on the shaft end of the second roller 7 through a roller gear 10 at the shaft end of the second roller 7; The second roller 7 forms a meshing transmission with the third roller gear 13 fixed on the axle end of the third roller 8 through the second roller outer gear 12 at its shaft end;
[0032] On the second roller 7, a group of two-roller cutterheads 7a with outer peripheral teeth are axially fixed on the two-roller shaft 7c, and the side steps on the cutterheads form adjacent cutters between each two-roller cutterheads 7a. The distance between the outer peripheral teeth of the disk in the axial direction; the outer peripheral teeth of the two-roller cutter head 7a are double-sided blades in the axial dire...
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The invention discloses a three-roll crusher of a printed circuit board, which is characterized in that: the crusher is provided with a driving shaft which is directly connected with a first roll through a coupling; the first roll and a two-roll inside gear fixed at the shaft end of a second roll form engaged transmission through a one-roll gear at the shaft end of the first roll; and the second roll and a three-roll gear fixed at the shaft end of a third roll form engaged transmission through a two-roll outside gear at the shaft end of the second roll. The three-roll crusher of the printed circuit board has the advantages of simple structure, low power consumption, little dust, low noise, high efficiency and convenient operation and maintenance, and can shear and crush flat materials with good toughness, high hardness and bending avoidance such as waste printed circuit boards, waste engineering plastic boards and the like into small materials.
Description
technical field [0001] The invention relates to a crusher, more specifically to a coarse crushing device for tough materials such as waste printed circuit boards and waste engineering plastic plates. Background technique [0002] With the acceleration of the upgrading of electronic and electrical products, the amount of electronic waste containing printed circuit boards is constantly increasing. When recycling waste printed circuit boards, the common practice is: first remove all electronic components on the printed circuit board, clean up, reshape and test the high-value electronic components, and reuse those with qualified quality ; Then the electronic components that are not ready to be reused are sorted for recycling; finally, the light board (circuit board) without electronic components is cut into small pieces and then crushed into powder, and then the precious materials are recovered by wet, dry or fire methods. Metal. [0003] Cutting the discarded flat printed cir...
Claims
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IPC IPC(8): B02C4/08B02C4/28
Inventor 王玉琳朱家诚宋守许刘志峰刘光复
Owner HEFEI UNIV OF TECH