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Two-station machining unit with wheel dressing and grinding

A technology of grinding processing and dressing devices, which is applied to the parts of grinding machine tools, abrasive surface adjustment devices, metal processing equipment, etc., and can solve the problems of poor processing quality and surface accuracy.

Active Publication Date: 2019-01-18
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention aims to solve the problem that the eccentricity of the small-size ball-end grinding wheel after installation and the wear of the fine-grained ball-end grinding wheel in the processing process lead to the deterioration of the processing quality and surface accuracy. Two-station processing device for processing

Method used

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  • Two-station machining unit with wheel dressing and grinding
  • Two-station machining unit with wheel dressing and grinding
  • Two-station machining unit with wheel dressing and grinding

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specific Embodiment approach 1

[0026] Specific implementation mode 1. Combination Figure 1 to Figure 3 Describe this embodiment, the two-station processing device with grinding wheel dressing and grinding described in this embodiment, the device includes a dressing device protective cover 3, a worktable protective cover 5, a workpiece spindle device protective cover 6, and a worktable 7 , workpiece spindle 8, two CCD monitoring devices, EDM trimming device, workpiece spindle transition plate 22, precision positioning platform protective cover 23, protective device cover 25, workpiece spindle clamping piece 26, ultra-precision positioning platform 27, trimming device Transition plate 28, electrode support rod 29 and electrode cover plate 13;

[0027] The CCD monitoring device includes a two-dimensional micro-displacement platform 11, a CCD tool setting device connecting plate 12, a CCD camera 10, a CCD tool setting device positioning block 18, a two-dimensional micro-displacement platform connecting plate 1...

specific Embodiment approach 2

[0061] Specific Embodiment 2. This embodiment is a further description of the two-station processing device with grinding wheel dressing and grinding described in Specific Embodiment 1. It also includes a wire routing block 1 and a wire routing groove 4. The wiring trough 4 is fixedly installed on the outside of the workbench protective cover 5 by bolts; the wiring stopper 1 presses the sealing rubber pad on the workbench by screws.

[0062] The wiring block 1 of this embodiment presses the sealing rubber pad on the workbench with screws to prevent the working fluid from flowing into the lower part of the workbench.

specific Embodiment approach 3

[0063] Specific embodiment three. This embodiment is a further description of the two-station processing device with grinding wheel dressing and grinding described in specific embodiment one or two. It also includes a workbench transition plate 17, and the workbench transition A plate 17 is mounted on the underside of the table 7 .

[0064] Advantages of the present invention:

[0065] (1) The device is suitable for small-sized parts grinding and EDM dressing of ball-end grinding wheels with a diameter of less than 2mm. The accuracy of the ball-end grinding wheel after dressing is better than 2μm;

[0066] (2) The device can realize the CCD monitoring of the wear state of the grinding wheel at any time during the grinding process, and perform EDM dressing on the worn grinding wheel at any time to ensure the processing quality of the workpiece after grinding;

[0067] (3) The feed movement of the dressing device is realized by a high-precision positioning platform, which can r...

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Abstract

The invention provides a two-station processing device for grinding wheel dressing and grinding processing, belongs to the technical field of ultra-precision machining, and aims at solving the problems that a small-size ball end grinding wheel is subjected to offset after being mounted and the abrasion on a fine-grain grinding wheel in processing leads to the reduction of processing quality and surface precision. The device is characterized in that T-shaped grooves are formed at intervals in the upper surface of a worktable, wherein two CCD monitoring devices, an electric sparking dressing device and a workpiece spindle clamping part are fixed to the worktable by the T-shaped grooves through T-shaped groove bolts; a workpiece spindle transition plate is positioned on the worktable through a positioning block and is fastened through the T-shaped groove bolts; the workpiece spindle clamping part is connected to the workpiece spindle transition plate; a workpiece spindle is mounted into a clamping hole of the workpiece spindle clamping part and is clamped and fastened through a screwing bolt; an axis of the workpiece spindle is in the direction parallel to that of the T-shaped grooves; workstation protecting covers are arranged around the workable; workpiece spindle device protecting covers are arranged at the inner sides of the worktable protecting covers; an organ shaped protecting cover of which the upper side edge height can be adjusted up and down is arranged between the workpiece spindle and the electric spark dressing device. The device is applicable to the grinding wheel dressing and grinding processing.

Description

technical field [0001] The invention belongs to the technical field of ultra-precision machining. Background technique [0002] With the increasing development of science and technology, ultra-precision machining technology is playing an increasingly important role in many high-tech fields such as national defense industry, aerospace technology, optics and communication, and new energy. At the same time, these fields have also put forward higher and higher requirements for the processing quality of the required parts. The materials used are becoming more and more diverse, and the structure is correspondingly more and more complicated. These characteristics make the processing of such parts difficult. increase accordingly. Most of these parts are processed by ultra-precision grinding. [0003] When the overall size of this kind of parts is small, due to the complex structure, the tool grinding wheel is easy to interfere with the workpiece during processing, and its arc curv...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B24B53/065B24B49/12B24B27/00
CPCB24B27/00B24B49/12B24B53/065
Inventor 陈明君王廷章刘赫男程健张杰高万彬方针于波
Owner HARBIN INST OF TECH
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