The gear and the rack reciprocate to the end point automatic limit device

Abstract

The invention relates to an automatic limit device after a gear and a rack reciprocate linearly to the terminal under the action of force, in particular to an automatic limit device for a gear and a rack to reciprocate to the end; including a housing, a fixed seat, a main shaft, a gear, a Bar, automatic limit drive block, fixed slideway and drag object, one side of the housing is provided with a fixed seat, the fixed seat is connected to the fixed main shaft, the main shaft passes through the housing and is connected with the gear, and the gear and the rack mesh; An automatic limit drive block is set inside, and the rack is set at the inner middle position of the automatic limit drive block. There are fixed slideways on both sides of the automatic limit drive block, and the fixed slideways are fixed on the shell. The automatic limit drive block The end part of the connection drag object. The automatic limit driving block of the present invention is the main structure of the present invention, the structure is simple and practical, and it is convenient for maintenance; the automatic limit driving block can connect different dragging objects at different positions, and is suitable for dragging objects in any equipment that does linear reciprocating motion. connect.

Description

technical field [0001] The invention relates to a device for automatically limiting position after a gear and a rack reciprocate in a straight line to a terminal under the action of force. Background technique [0002] Nowadays, many industrial equipment or institutions need a drive device capable of linear reciprocating motion to provide the required power. Commonly, there are electric drive, manual drive, hydraulic drive, and pneumatic drive; the hydraulic drive system is more complicated, and the pneumatic drive system requires compressed air. The auxiliary system costs a lot, and the pipeline is easy to freeze and block in the cold season, which affects the normal operation of the equipment and limits the application range. Electric and manual drives are usually screw mechanism and gear and rack drive mechanism, but electric drive equipment often has the phenomenon that the electronic control device often fails, which leads to the failure of mechanical automatic limit wh...

AI Technical Summary

Problems solved by technology

"In the setting of "the transmission rack is composed of the upper connecting block 5 of the rack and the rack part 8 connected by bolts through the slideway in the middle notch of the object connecting plate 1," there is no substantive setting of "the upper connecting block 5" function, the function of its setting can be set and replaced in " rack part 8 " completely, and cause the manufacturing process of rack part too much, the tenacity of rack weakens; The bottom guide groove of the rack part 8 is connected and fixed on the dragging object connecting plate 1. Its technical characteristics cannot be effectively utilized in the equipment manufacturing process; secondly, in the document [0006], "the slideways on both sides of the middle notch of the dragging object connecting plate 1 are arranged at the junction of the upper connecting block 5 of the rack and the rack part 8 to guide the In the groove, the "and" rack slideway and the slideway of the fixed plate 6 are arranged in the guide grooves at the bottom of both sides of the rack part 8; the spring device 7 and the rack are arranged at both ends of the front of the slot in the middle of the dragging object connecting plate 1. In the limit stop device 9, there are two slides in the "drive rack", and the two slides solve the same problem, which is a design defect, especially the middle notch of the "drag object connecting plate 1 The comprehensive setting of the "drag object connecting plate 1" with the spring device 7 and the rack limit stop device 9" at both ends of the front becomes the main fixed structure in the technical implementation, and the "drag object connecting plate 1" is set too much. ", which limits the practical application of its technical principles, and is not convenient for the sealing of the main structure

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