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Alignment instrument for eccentricity alignment of lathe four-jaw chuck and alignment method

A four-jaw chuck and alignment technology, which is applied to chucks, turning equipment, manufacturing tools, etc., can solve problems such as difficult quality assurance, laborious alignment accuracy, and low production efficiency, and achieve simple structure and improved clamping accuracy , easy to adjust the effect

Active Publication Date: 2021-07-20
QINGDAO TECHN COLLEGE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This alignment method is easier to ensure the accuracy of non-eccentric parts alignment, but it is time-consuming, laborious and difficult to ensure alignment accuracy when aligning eccentric parts, resulting in the disadvantages of low production efficiency and difficult quality assurance

Method used

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  • Alignment instrument for eccentricity alignment of lathe four-jaw chuck and alignment method
  • Alignment instrument for eccentricity alignment of lathe four-jaw chuck and alignment method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Such as figure 1 As shown, a lathe four-claw chuck eccentric is used to find a generner, including a pressure rod 1, the front end of the pressure rod 1, which is provided with a positive groove 2, and the finding groove 2 is provided with a curved portion 3. The arc-shaped portion 3 is coincident with the angular corner point of the inner wall surface of the foundation groove 2, and the arc-shaped portion 3 is provided with a tapered slot 4;

[0022] The rod 1 is provided with a plug hole adjacent to the front end position, and the insertion hole is provided with a center joint bearing 5, the center joint bearing 5 inner ring plug correction rod 6, the correction rod 6 two The end has a pointed.

Embodiment 2

[0024] Such as figure 2 As shown, a method of finding a positive use using the finder, including the following steps:

[0025] 1) Topping the horizontal vertical cross line on the workpiece 7 to be machined, and the sample punching is processed on the cross line, and the workpiece 7 is mounted on the four-claw chuck 8, and the center line of the front and rear jaws is to be processed. The horizontal lines on the workpiece 7 are maintained, and the center line of the upper and lower jaws is consistent with the vertical lines of the workpiece 7 to be processed.

[0026] 2) Remove the correction rod 6 from the center joint bearing 5, then place the rear end of the finding instrument rod 1 in the lathe tool frame 9, adjust the pressure rod 1 position, so that the tail of the machine tool can be inserted into In the slot 4, then the lathe tool holder 9 clamps the rod 1;

[0027] 3) The axial movement finds a kit, which is close to the workpiece 7, and rotates the chuck 8, and the horiz...

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Abstract

The invention discloses an alignment instrument for eccentricity alignment of a lathe four-jaw chuck and an alignment method. The alignment instrument comprises a pressing rod, an alignment groove is formed at the front end of the pressing rod, an arc-shaped part is arranged at the corner of the alignment groove, the circle center of the arc-shaped part coincides with the right-angle corner point of the inner wall face of the alignment groove, and a conical insertion groove is formed in the circle center of the arc-shaped part; and an inserting hole is formed at the position, close to the front end, of the pressing rod, a radial spherical plain bearing is arranged in the inserting hole, and a correcting rod is inserted into an inner ring of the radial spherical plain bearing. The alignment instrument is simple in structure and convenient to use, the clamping precision of a workpiece can be improved, the center of an eccentric part can be conveniently adjusted, the alignment method is easy to operate, and alignment can be rapidly and accurately carried out.

Description

Technical field [0001] The present invention relates to the technical field of mechanical tools, and specific to a lathe four-claw chuck eccentric found to find a generic and find a correct method. Background technique [0002] Finding the workpiece means that the workpiece that is processed is mounted on the chuck, making the center of the workpiece with the center of rotation of the chuck, and this process is called a positive workpiece. It is very important to find a positive workpiece. If you don't find it, you will have a series of quality problems. [0003] In the use of the lathe, the three-claw self-center chuck and a single-moving chuck are commonly used universal clamps. The three-claw self-centering card is suitable for clamping the circular part, and the clamping is automatically fixed. Single-moving chuck is also called a four-claw chuck, with four different jaws, which cannot be simultaneously moved while simultaneously moving like a trip-based cardboard. The four-c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23B31/02B23Q3/18
CPCB23B31/02B23Q3/183B23B2231/30
Inventor 李国伟刘居康曲小源刁可春贾春刚李林
Owner QINGDAO TECHN COLLEGE
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