Continuous no-impact automatic uniform-load press-fitting device

A press-fitting device and self-equalizing technology, used in metal processing, metal processing equipment, manufacturing tools, etc., can solve problems such as inability to locate and align workpieces

Active Publication Date: 2015-09-30
INST OF MACHINERY MFG TECH CHINA ACAD OF ENG PHYSICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The vise cannot locate

Method used

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  • Continuous no-impact automatic uniform-load press-fitting device
  • Continuous no-impact automatic uniform-load press-fitting device
  • Continuous no-impact automatic uniform-load press-fitting device

Examples

Experimental program
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Embodiment 1

[0026] figure 1 It is a structural schematic diagram of a continuous non-impact self-equalizing press-fitting device of the present invention, figure 2 It is a top view of the continuous non-impact self-equalizing press-fitting device of the present invention, image 3 It is a sectional view of the base in the present invention, Figure 4 It is a sectional view of the gland in the present invention, Figure 5 It is a sectional view of the support cylinder in the present invention, Image 6 It is a sectional view of the guide plate in the present invention. exist Figure 1~6 Among them, the continuous non-impact self-equalizing press-fitting device of the present invention includes a base 1, a press-fitting washer 2, a bearing support sleeve 3, a thrust ball bearing 4, a sleeve 5, a steel ball 6, a gland 7, and a rotating rod 8 , Drive screw 9, guide plate 11, support cylinder 12, shaft 13, hole 15, support washer 14. The center of the base 1 is provided with an annular ...

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PUM

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Abstract

The invention provides a continuous no-impact automatic uniform-load press-fitting device which comprises a base, a press-fitting gasket, a bearing support sleeve, a sleeve, a gland, a driving screw, a support cylinder, a support gasket and a guide disk. The support cylinder, the gland and the base are positioned through spigots, a hole-cup drawing is arranged in a base positioning boss, the driving screw is screwed into the gland, the guide disk is arranged on the positioning spigot of the support cylinder in a clamped mode, the sleeve is put into a center hole of the guide disk and presses a thrust bearing, and a shaft is arranged in a center hole of the sleeve in a sleeved mode. The screw is rotated to be fed in a slow, no-impact and continuous mode, and press-fitting is achieved. The sleeve and the guide disk are arranged to conduct centering and guiding; the thrust bearing is arranged, so that direct contact between a workpiece and the driving screw is avoided, and the workpiece which is subjected to press-fitting is pressed in through straight line pressure; a steel ball is arranged to eliminate offset loading force. By means of the continuous no-impact automatic uniform-load press-fitting device, the problem of shaft hole interference fitting can be solved, and the situation that incline, misalignment and scuffing of the workpiece happen in the press-fitting process can be avoided. The continuous no-impact automatic uniform-load press-fitting device is simple in structure, reliable in work and capable of achieving the fitting work of shaft hole parts in a large interference magnitude and high accuracy mode.

Description

technical field [0001] The invention belongs to the field of normal-temperature press-fit assembly of high-precision shaft-hole interference fit parts, and in particular relates to a continuous non-impact self-balanced press-fit device. Background technique [0002] In the fields of high-speed and high-precision rotating machinery design and manufacturing, it is often necessary to meet the rotation accuracy and working reliability of high-speed rotating machinery through interference fit, such as the connection between the moving impeller and the core shaft of high-speed small molecular pumps, etc., which is It is required to use a special press-fitting device for interference assembly for positioning, guiding and pressing. If the assembly is not carried out through the assembly device, it may lead to bending deformation of the parts, assembly seizure or a decrease in assembly accuracy. [0003] Interference assembly is usually divided into temperature difference method and ...

Claims

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Application Information

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IPC IPC(8): B23P19/02B23P19/027
CPCB23P19/02B23P19/027
Inventor 张日升马绍兴何朝晖杨国明田军
Owner INST OF MACHINERY MFG TECH CHINA ACAD OF ENG PHYSICS
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