Adjusting device for rack transmission side gap
A technology of adjusting device and rack transmission, which is applied in the direction of hoisting device, portable lifting device, and components with teeth, etc., can solve the problem that the backlash deviation cannot be guaranteed, affect the accuracy of position control of transmission stability, and affect the production efficiency of products. And production quality and other issues, to achieve the effect of accurate transmission ratio and stable transmission
Inactive Publication Date: 2010-06-23
DONGGUAN ANWELL DIGITAL MASCH CO LTD
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Problems solved by technology
In the semiconductor automation production line, the transportation, installation and commissioning, processing, etc. of the equipment often need to be adjusted by the adjustment device, so that the automation equipment has higher precision working performance. The design of rack and pinion is designed according to no backlash, but due to errors in processing and installation, the deviation of backlash when the gear and the rack are meshed and driven is often not guaranteed to be within the range of use requirements, and the gap between the rack and the gear when the rack is driven The backlash deviation between them will affect the stability of the transmission or the accuracy of the position control, and also affect the production efficiency and production quality of the product
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[0016] In order to describe the technical content and structural features of the present invention in detail, the following will be further described in conjunction with the embodiments and accompanying drawings, wherein the same reference numerals in different drawings represent the same components. As mentioned above, the present invention discloses a rack drive backlash adjustment device, which is suitable for pairing with gears, and is used to automatically adjust the backlash between the rack and pinion, and uses the elastic properties of the elastic element to push the rack, The adjustment hole on the rack has an adjustable distance relative to the adjustment screw, so that the mutual force between the gear and the rack can achieve a dynamic balance, and the center distance of the rack and pinion can be automatically adjusted, so that the rack and the gear are always connected when they are in transmission. Keep it in a tight state, so as to achieve the purpose of automat...
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The invention discloses an adjusting device for a rack transmission side gap, which is suitable for using together with a gear in pair, comprising a rack and a bracket. The rack is arranged on the bracket and engaged with the gear, one side of the bracket horizontally protrudes to form a step, the step has a mounting surface and a supporting surface which are mutually vertical, the mounting surface is horizontal and is provided with screw holes, the rack is provided with adjusting holes corresponding to the screw holes one to one, one end of an elastic element is fixed on the supporting surface, the other end abuts against the rack, one end of an adjusting bolt is engaged with the screw hole, the other end penetrates in the adjusting hole and slides horizontally in the adjusting hole, and when the gear is engaged with the rack, the adjusting hole slides along the adjusting bolt. The elasticity of the elastic element is utilized to realize the adjustable distance of the adjusting hole relative to the adjusting bolt, so that the mutual acting force generated when the gear is engaged with the rack can reach dynamic balance, the central distance of the gear and the rack is automatically adjusted so as to enable the rack to be tightly engaged with the gear, the aim of adjusting the side gap is achieved, and the more precise and more stable transmission are ensured.
Description
technical field [0001] The invention relates to an adjusting device, more particularly to a rack drive backlash adjusting device. Background technique [0002] With the development of industrial technology and the improvement of industrial automation level, the requirements for industrial equipment, processing technology and product quality are also getting higher and higher. In the semiconductor automation production line, the transportation, installation and commissioning, processing, etc. of the equipment often need to be adjusted by the adjustment device, so that the automation equipment has higher precision working performance. The design of rack and pinion is designed according to no backlash, but due to errors in processing and installation, the backlash deviation when the gear and the rack are meshed and driven is often not guaranteed to be within the range of use requirements, and the gap between the rack and the gear when the rack is driven The backlash deviation ...
Claims
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Inventor 杨明生刘惠森范继良余超平王曼媛王勇
Owner DONGGUAN ANWELL DIGITAL MASCH CO LTD