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Auxiliary tool for carrying out central positioning and assembly

A technology of auxiliary tools and assembly parts, which is applied in the direction of manufacturing tools, metal processing, metal processing equipment, etc., can solve the problems of non-adjustable positioning parts, uneven assembly parts and surrounding matching parts, etc., achieve simple structure and shorten assembly adjustment time , the effect of improving production efficiency

Active Publication Date: 2013-11-20
CHERY AUTOMOBILE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the assembly line and mass production mode, due to the existence of design and manufacturing tolerances, there are varying degrees of unevenness in the gap between the assembly and the surrounding mating parts. Only relying on the assembly and adjustment skills of employees cannot efficiently meet this centering Locate assembly requirements and eliminate uneven gaps between assembly parts and their surrounding parts
Although some assembly aids are used to improve production efficiency and assembly consistency, traditional assembly aids use positioning pins, positioning surfaces, etc. to position the aids. The disadvantage of this positioning method is that the positioning part cannot be adjusted. Traditional assembly aids Can not meet the assembly requirements of the central positioning of the assembly

Method used

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  • Auxiliary tool for carrying out central positioning and assembly
  • Auxiliary tool for carrying out central positioning and assembly
  • Auxiliary tool for carrying out central positioning and assembly

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Such as figure 1 and figure 2 As shown, the drive adjustment part of this auxiliary device includes an adjustment mechanism and a transmission mechanism. The adjustment mechanism is a worm gear mechanism, and the transmission mechanism is a gear scale mechanism. The rod mechanism includes a gear and two rulers that are meshed with the gear and move in opposite directions. The two rulers are placed horizontally on the mounting surface of the gripper to form a movable positioning part. There is a guide groove for guiding the movement of the ruler strips, and a contact block is respectively arranged at the ends of the two ruler strips in contact with the peripheral fittings. The worm gear and worm mechanism can realize gap adjustment and self-locking and fixing the position of the entire positioning mechanism after the adjustment is in place. The worm gear shaft is coaxial with the gear, and its axial direction is perpendicular to the mounting surface of the gripper. The...

Embodiment 2

[0025] Such as image 3 As shown, the drive adjustment part includes a wedge mechanism. The wedge mechanism includes a symmetrical active wedge with two slopes and positioning sliders symmetrically arranged on both sides of the active wedge to interact with it. The shape of the active wedge is equal to Waist trapezoidal, with two slopes, each positioning slider has a slope that fits with the slope of the driving wedge at the end that matches the driving wedge, the two positioning sliders constitute a movable positioning part, and the positioning slider is in contact with the surrounding A contact block is provided at the contacting end of the mating parts, and the active wedge and the positioning slider cooperate to slide on the mounting surface of the gripper, and guide grooves are provided on the mounting surface of the gripper to guide the positioning slider and the active wedge , the position of the active wedge on the mounting surface of the gripper corresponds to the mid...

Embodiment 3

[0027] Such as Figure 4As shown, the drive adjustment part includes a linkage mechanism and a sliding screw transmission mechanism with self-locking function. Two positioning rods at one point, the two positioning rods constitute a movable positioning part, each of the positioning rods is provided with a contact block near the end of the peripheral fitting, and a guide groove for guiding the active rod and the positioning rod is provided on the mounting surface of the gripper . The position of the active rod on the gripper corresponds to the middle position of the assembly in the gap adjustment direction, and the active rod slides in a direction perpendicular to the sliding direction of the positioning rod under the action of the sliding screw transmission mechanism. The sliding screw transmission mechanism includes a nut connected to the active rod and a screw engaged with the nut. The screw is supported on the gripper, and an adjustment handle is provided on the screw. Tur...

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PUM

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Abstract

The invention discloses an auxiliary tool for carrying out central positioning and assembly, which is used for regulating a gap in the central assembling process of an assembly part. The auxiliary tool is arranged on a mounting surface of a gripping apparatus for gripping the assembly part and placing the assembly part between surrounding fitting pieces. The auxiliary tool comprises a movable positioning part and a driving regulating part for regulating the position of the movable positioning part. The position on the gripping apparatus, at which the driving regulating part is arranged, corresponds to the middle position of the assembly part in the gap regulation direction. The movable positioning part comprises two same components, wherein the two same components respectively move towards the opposite directions under the action of the driving regulating part and the end parts of the two same components are finally abutted against the surrounding fitting pieces. Due to the adoption of the technical scheme, the auxiliary tool has a simple structure and is provided with the adjustable movable positioning part for positioning the assembly part. The movable positioning part is driven by the driving part to automatically regulate the assembly part to the central position, so that the requirement of the central positioning of the assembly part on the assembling consistency can be well met and the gaps between the assembly part and the surrounding fitting pieces are uniform. Due to the adoption of the auxiliary tool, the production efficiency is obviously improved.

Description

technical field [0001] The invention relates to an automobile assembly aid, in particular to an assembly aid for central positioning. Background technique [0002] Among the current automobile assembly process requirements, one of the process quality requirements is to make the gap between the assembly parts and their surrounding parts even. However, in the assembly line and mass production mode, due to the existence of design and manufacturing tolerances, there are varying degrees of unevenness in the gap between the assembly and the surrounding mating parts. Only relying on the assembly and adjustment skills of employees cannot efficiently meet this centering Position the assembly requirements to eliminate the uneven gap between the assembly and its surrounding parts. Although some assembly aids are used to improve production efficiency and assembly consistency, traditional assembly aids use positioning pins, positioning surfaces, etc. to position the aids. The disadvanta...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23P19/00B23P19/10
Inventor 郭玉伟程劲松
Owner CHERY AUTOMOBILE CO LTD