Flexible grinding device for soft and brittle materials

A kind of grinding device and flexible technology, applied in the direction of grinding device, grinding/polishing safety device, grinding machine tool, etc., can solve the problems of surface crack propagation, prone to chipping, residue on the surface of the workpiece, etc., to improve the surface quality of the workpiece, good quality Elasticity and ductility, the effect of improving surface quality

Pending Publication Date: 2022-04-12
JINLING INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the characteristics of soft and brittle materials, processing problems such as chipping, scratches and pits are prone to occur during processing. Especially when grinding soft and brittle materials, it is often impossible to grind effectively, and it is impossible to achieve high grinding efficiency and high grinding efficiency at the same time. The effect of high surface quality
For example, calcium fluoride crystal, which has excellent mechanical and chemical properties, has important applications in the fields of laser and optical equipment and deep ultraviolet lithography, but there are still some micro pits and large scratches on the surface of the workpiece during the grinding process. , and even surface crack propagation and collapse

Method used

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  • Flexible grinding device for soft and brittle materials
  • Flexible grinding device for soft and brittle materials
  • Flexible grinding device for soft and brittle materials

Examples

Experimental program
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Effect test

Embodiment 1

[0029] refer to Figure 1~4 , this embodiment provides a flexible grinding device for soft and brittle materials, including a housing 1, a grinding disc 4 and a workpiece fixing device 3; the housing 1 is placed horizontally to support the entire device; the grinding disc 4 is provided with Grinding pad 7, described grinding disc 4 and grinding pad 7 rotate under the effect of driving device, specifically, described driving device comprises transmission shaft 5 and driving motor 6, and described driving motor 6 is connected with driving shaft 5, and transmission The shaft 5 is fixedly connected to the grinding disc 4, and the driving motor 6 drives the transmission shaft 5 to rotate, thereby driving the grinding disc 4 to rotate; the workpiece fixing device 3 is arranged above the grinding disc 4, and is used to clamp the workpiece to be ground and make it radially vibration, the workpiece to be ground can be rotated under the drive of the workpiece fixture 3; the lower end of...

Embodiment 2

[0037] An embodiment of the present invention provides a flexible grinding device for soft and brittle materials. The structure of this embodiment is substantially the same as that of Embodiment 1, except that this embodiment limits the specific structure of the clamping mechanism.

[0038] refer to Figure 5 As mentioned above, in the embodiment of the present invention, the clamping mechanism 35 includes a first transmission rod 351 (one end is provided with embossing), a first bevel gear 352, a second bevel gear 353, a second transmission rod 354, and an adapter seat 355 and jaw 356; the first transmission rod 351 is horizontally arranged, fixedly connected with the first bevel gear 352, and the second bevel gear 353 meshes with the first bevel gear 352 (the number of teeth of the first bevel gear 352 is greater than that of the second bevel gear 353 teeth), the second bevel gear 353 is in transmission connection with the first bevel gear 352; the upper end of the second tr...

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Abstract

The invention provides a flexible grinding device for soft and brittle materials. The flexible grinding device comprises a grinding disc and a workpiece fixing device. A grinding pad is arranged on the grinding disc, and the grinding disc and the grinding pad can rotate; the workpiece fixing device is arranged above the grinding disc and used for clamping a to-be-ground workpiece, and the to-be-ground workpiece is driven by the workpiece fixing device to rotate; the lower end of the to-be-ground workpiece is in contact with the grinding pad and generates relative friction with the grinding pad in the rotating process, so that the grinding effect is achieved; the workpiece fixing device comprises a connecting body, a liquid bag and a clamping mechanism, and the liquid bag is in contact with a to-be-ground workpiece; a vibration rod is fixedly arranged above the connecting body, piezoelectric ceramics are arranged on the vibration rod, and the piezoelectric ceramics vibrate in the radial direction. The high-efficiency and high-quality grinding of soft and brittle materials can be realized, the surface quality of a ground workpiece is improved, the efficient precision machining of the workpiece is further realized, and meanwhile, the high-efficiency and high-quality grinding device is simple in structure, convenient to operate and use and high in practicability.

Description

Technical field: [0001] The invention belongs to the technical field of precision machining, and in particular relates to a flexible grinding device for soft and brittle materials. Background technique: [0002] At present, in the field of mechanical processing, the processing problems of soft and brittle materials have yet to be solved. Due to the characteristics of soft and brittle materials, processing problems such as chipping, scratches and pits are prone to occur during processing. Especially when grinding soft and brittle materials, it is often impossible to grind effectively, and it is impossible to achieve high grinding efficiency and high grinding efficiency at the same time. High surface quality effects. For example, calcium fluoride crystal, which has excellent mechanical and chemical properties, has important applications in the fields of laser and optical equipment and deep ultraviolet lithography, but there are still some micro pits and large scratches on the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B24B37/00B24B37/27B24B37/34B24B55/00
Inventor 牛瑞坤王欢涛吴钟鸣吴冠奇王赠瑞
Owner JINLING INST OF TECH
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