阅读说明：本技术 一种倒棱台状气压悬浮磨料池 (Chamfered frustum-shaped air pressure suspension grinding pool ) 是由 郭前建 于鹏飞 袁伟 于 2019-08-25 设计创作，主要内容包括：本发明公开了一种倒棱台状气压悬浮磨料池,属于零件表面的超精密光整加工领域。包括风力输送系统、气体喷射系统、工件夹持系统和棱台状缸体。所述风力输送系统设置在缸体一侧,输送实验所需气体。所述气体喷射系统连接风力输送系统,通过管道与气孔将气体喷入磨料池内。所述工件夹持系统使工件能在磨料池中进行回转运动。所述缸体是一个棱台状的磨料池框架。本发明可以针对不同工件材料和加工需求,选择合适气体及磨料进行加工,具有极强的适应性；同时,装置结构简单、实验过程操作简便,各个部分能相互配合在磨料池中进行高效率、高质量的光整加工。(The invention discloses a chamfered frustum-shaped air pressure suspension grinding material pool, and belongs to the field of ultra-precise finishing machining of part surfaces. Comprises a wind power conveying system, a gas injection system, a workpiece clamping system and a prismoid cylinder body. The wind power conveying system is arranged on one side of the cylinder body and used for conveying gas required by the experiment. The gas injection system is connected with the wind power conveying system and injects gas into the grinding pool through the pipeline and the air holes. The workpiece clamping system enables a workpiece to perform a rotational motion in an abrasive pool. The cylinder body is a prismoid-shaped grinding material pool frame. The invention can select proper gas and abrasive material to process according to different workpiece materials and processing requirements, and has strong adaptability; meanwhile, the device has simple structure and simple and convenient operation in the experimental process, and all parts can be mutually matched to carry out high-efficiency and high-quality finishing processing in the grinding pool.)

1. The inverted frustum-shaped air pressure suspension grinding material pool is characterized by comprising a wind power conveying system [ I ], a gas injection system [ II ], a workpiece clamping system [ III ] and a frustum-shaped cylinder body [ IV ]: the wind power conveying system [ I ] is arranged on one side of the cylinder body [ IV ] and is used for conveying gas required by the grinding material pool; the gas injection system [ II ] is connected with the wind power conveying system [ I ] and then arranged on the side surface and the bottom surface of the cylinder body, and gas is injected into the grinding pool through a pipeline and a gas hole under specific pressure; the workpiece clamping system [ III ] is arranged at the top of the grinding material pool, and the clamped workpiece is inserted into the grinding material pool for finishing; the prismatic frustum-shaped cylinder body [ IV ] is an integral framework of the grinding material pool and is in a shape of a chamfered frustum.

2. The inverted frustum-shaped air pressure suspension abrasive pool as claimed in claim 1, wherein the air conveying system [ I ] is composed of a blower [1], a cooling and filtering device [2], an air conveying pipeline [6] and an air pressure adjusting device [5 ]; the air blower [1] is used as a wind power generator and is connected with the cooling and filtering device [2], the cooling and filtering device [2] is connected with the air conveying pipeline [6], and an air pressure adjusting device [5] is arranged above the air conveying pipeline [6] to meet the air pressure condition required by the reaction in the grinding material tank.

3. The inverted frustum-shaped pneumatic suspension abrasive tank as claimed in claim 2, wherein the cooling and filtering device [2] is connected with the air delivery pipeline [6] through a flange, and comprises a pair of flanges [3], a gasket [4] and a plurality of bolts and nuts, and the gasket [4] is positioned at the sealing surface of the two flanges [3] so as to fix and seal the pipe fitting.

4. The inverted frustum shaped air pressure suspension abrasive pool as claimed in claim 1, wherein the air injection system [ II ] is composed of a ventilation pipeline [7], an air hole [9], a filter screen [10] and a spray head [12 ]; the air duct [7] is connected with an air duct [6] of the wind power conveying system and is arranged on the bottom surface and the side surface of the grinding material pool, and the air holes [9] and the spray heads [12] are uniformly distributed on the bottom surface and the side surface of the grinding material pool to provide high-speed flowing air flow for the grinding material pool.

5. The inverted frustum shaped air pressure suspension abrasive pool of claim 4, wherein the bottom is an integral body, a box body, and the side surfaces are connected by a pipeline; the air holes are divided into a bottom air hole (8) and a side air hole (9), and the air holes are conical.

6. The inverted frustum shaped air pressure suspension abrasive pool of claim 1, wherein the workpiece clamping system [ III ] is composed of a driving motor [13], a transmission shaft [15] and a magnetic clamp [16 ]; the driving motor [13] is fixed on the top cover [14] of the grinding material tank, the output end of the driving motor [13] is connected with one end of a transmission shaft [15], the other end of the transmission shaft [15] is connected with a magnetic clamp [16], a workpiece to be processed is adsorbed on the clamp and rotates in the grinding material tank, and therefore finishing processing is carried out.

7. The inverted frustum shaped air pressure suspension grinding material pool as claimed in claim 1, wherein the inverted frustum shaped cylinder body [ IV ] is an integral framework of the grinding material pool, comprises a top cover [14], a cylinder body [11] and a fixing device and is in an inverted frustum shape, the inverted frustum shaped cylinder body can enable grinding materials to be mixed more quickly, and the processing efficiency is higher; the inner wall of the cylinder body is provided with a heat insulation material for protecting the shell of the grinding material pool.

8. The inverted frustum shaped air pressure suspension abrasive tank as claimed in claim 1, wherein the working principle of the abrasive tank is as follows: a blower [1] provides wind power required by an experiment, gas passes through a cooling filter device [2] and is conveyed to a wind conveying pipeline [6] through a sealing flange [3], a pressure adjusting device [5] above the pipeline sets pressure required in the experiment process, the gas enters a ventilation pipeline and is subjected to secondary filtration through a filter screen [10], then the gas is sprayed into an abrasive pool through a spray head [12], high-speed gas enables a large amount of solid abrasive in the abrasive pool to have fluid characteristics, meanwhile, a workpiece to be processed is adsorbed on a clamp [16], power is provided by a driving motor [13] fixed on a top cover [14], the workpiece is driven to do high-speed rotary motion through a transmission shaft [15], and in the abrasive pool, fluidized solid abrasive is in contact with the surface of the workpiece, collides and cuts, and the polishing and processing of the workpiece is realized.

Technical Field

The invention relates to the field of ultra-precise finishing machining of the surface of a part, in particular to a chamfered frustum-shaped air pressure suspension grinding material pool.

Background

With the development of science and technology, the requirements of people on advanced instruments and equipment are increased, so that the requirements on the surface quality of parts are higher and higher, and a precision machining technology is developed. The surface quality of the part has important influence on the service performance and the service life of the part, and under the continuous development of the advanced manufacturing technology, the surface shape of the ultra-precise part is developed to be very complex. In order to eliminate the machining traces left on the surfaces of the parts in the manufacturing process, the finishing machining technology becomes a necessary machining link, and the machining precision and the convenient quality of the parts also become important marks for measuring the national defense industry level.

In order to reduce the surface roughness of parts and improve the surface quality, ultraprecise finishing methods such as magnetorheological finishing, magnetic jet finishing, electrorheological finishing, abrasive particle water jet finishing and the like are mainly adopted at present. The methods of electrorheological fluid finishing, magnetorheological finishing, magnetic jet finishing and the like are limited by tools, and can not act on micro-sized grooves, grooves and holes on the surface of a part; abrasive grain water jet polishing is to eject abrasive grains to the surface of a workpiece under high pressure and to realize polishing processing by utilizing the collision of the abrasive grains and the workpiece, but the ejection curve characteristic of the abrasive grains makes uniform processing to each part of the part difficult, and a satisfactory processing effect cannot be obtained.

Disclosure of Invention

The invention provides a chamfered frustum-shaped air pressure suspension grinding material pool aiming at the defects of the existing finishing processing mode. After the high-speed airflow enters the grinding material pool, the solid grinding material is driven to move, so that the solid grinding material has certain characteristics of fluid, and is contacted, collided and cut with a workpiece rotating at a high speed in the grinding material pool, and the high-efficiency and high-quality finishing processing of the part is realized.

In order to achieve the aim, the invention adopts the following technical scheme:

The utility model provides a chamfer form atmospheric pressure suspension abrasive material pond, includes wind-force conveying system, gas injection system, work piece clamping system and chamfer form cylinder body: the wind power conveying system is arranged on one side of the cylinder body and used for conveying gas required by the grinding material pool; after the gas injection system is connected with the wind power conveying system, gas is injected into the grinding pool through the pipeline and the air hole under specific pressure, and the gas injection system is arranged on the bottom surface and the side surface of the cylinder body; the workpiece clamping system is arranged at the top of the grinding material pool and drives the workpiece to do high-speed rotary motion, and finishing processing is carried out in the grinding material pool; the prismoid cylinder body is an integral frame of the grinding material pool and is in a shape of a chamfered frustum.

the wind power conveying system consists of a blower, a cooling and filtering device, a wind conveying pipeline and a gas pressure adjusting device; the air blower is used as a wind power generator and connected with the cooling and filtering device, the cooling and filtering device is connected with the wind delivery pipeline, the cooling and filtering device and the wind delivery pipeline are connected through flanges, and the pipe fittings are fixed and sealed through gaskets between the flanges; an air pressure adjusting device is arranged on the air delivery pipeline to meet different pressure conditions.

The gas injection system consists of a ventilation pipeline, an air hole, a filter screen and a spray head; the air duct is connected with an air delivery duct of the wind power conveying system, is arranged on the bottom surface and the side surface of the grinding material pool, can be used for ventilating the whole bottom surface, is equivalent to an air box, and is distributed on the side surface for air flow transportation; the air holes and the spray heads are uniformly distributed on the bottom surface and the side surface of the grinding material pool, wherein the air holes on the bottom surface are distributed in a round and square shape, the air holes on the side surface are distributed in a square shape, and all the air holes are in a conical shape; the air flow enters the spray head through the filter screen and is sprayed into the rigid body, and the system provides high-speed flowing air flow for the grinding material pool.

The workpiece clamping system consists of a driving motor, a transmission shaft and a magnetic clamp; the driving motor is fixed on the top cover of the grinding material tank, the output end of the driving motor is connected with one end of the transmission shaft, the other end of the transmission shaft is connected with the magnetic clamp, a workpiece to be processed is adsorbed on the clamp and does rotary motion in the grinding material tank, and therefore finishing processing is carried out.

The prismoid cylinder body is an integral frame of the grinding material pool, comprises a top cover, a cylinder body and a fixing device and is in a shape of a chamfered frustum; the inner wall of the cylinder body is provided with a heat insulation material and a protective shell.

The working principle of the grinding material pool is as follows: the air blower provides wind power required by an experiment, the gas passes through the cooling and filtering device and then enters the air delivery pipeline, the pressure required in the experiment process is loaded by the air pressure adjusting device above the pipeline, the gas enters the air ventilation pipeline and is subjected to secondary filtering through the filter screen, then the gas is sprayed into the abrasive pool through the spray head, the high-speed gas enables a large amount of solid abrasive materials in the abrasive pool to have fluid characteristics, meanwhile, a workpiece to be processed is adsorbed on the clamp, power is provided by the driving motor fixed on the top cover, the high-speed rotary motion is carried out through the driving of the transmission shaft, and in the abrasive pool, the fluidized solid abrasive materials are in contact with the surface of the workpiece, collide and.

The invention has the beneficial effects that: a chamfered frustum-shaped air pressure suspension abrasive pool can select proper air and abrasive materials for processing according to different workpiece materials and processing requirements, and has strong adaptability; the device can meet the processing conditions of different workpieces by controlling the pressure of the introduced gas; the inner wall of the grinding material pool is provided with a heat insulation material, so that a stable reaction space is provided, and the gas-solid mixing effect is good; the inverted-pyramid cylinder body can enable the grinding materials to be mixed more quickly, and the processing time is saved; the device has simple structure and simple and convenient operation in the experimental process, and all parts can be mutually matched to carry out high-efficiency and high-quality finishing processing in the grinding pool.

Drawings

FIG. 1 is a schematic view of the overall structure of a pneumatic suspension abrasive tank.

FIG. 2 is a schematic view of the structure of the wind conveying system and the bottom of the grinding material pool.

FIG. 3 is a cross-sectional view of a gas injection system.

FIG. 4 is a schematic diagram of a workpiece clamping system.

In the figure: i, a wind power conveying system; II, a gas injection system; III, a workpiece clamping system; IV, a prismoid cylinder body; 1. a blower; 2. cooling the filter device; 3. a flange; 4. a gasket; 5. an air pressure adjusting device; 6. a wind delivery pipeline; 7. an air duct; 8. bottom air holes; 9. side air holes; 10. a filter screen; 11. a cylinder body; 12. a spray head; 13. a drive motor; 14. a top cover; 15. a drive shaft; 16. a magnetic clamp.

Detailed Description

For the purpose of making the invention more clear in terms of its objects, features and operation, the invention will be further described with reference to the accompanying drawings.

A frustum-shaped pneumatic suspension grinding material pool comprises a wind conveying system [ I ], a gas injection system [ II ], a workpiece clamping system [ III ] and a frustum-shaped cylinder body [ IV ].

The wind power conveying system [ I ] consists of a blower [1], a cooling and filtering device [2], a wind conveying pipeline [6] and a gas pressure adjusting device [5 ]; the blower [1] is used as a wind power generator and is connected with the cooling and filtering device [2], the cooling and filtering device [2] is connected with the wind delivery pipeline [6], the two are connected by a flange [3], and a gasket [4] between the flanges [3] fixes and seals the pipe fitting; an air pressure adjusting device [5] is arranged on the air delivery pipeline [6] to meet different pressure conditions.

The gas injection system [ II ] consists of a ventilation pipeline [7], air holes [8, 9], a filter screen [10] and a spray head [12 ]; the air duct [7] is connected with an air duct [6] of the wind power conveying system [ I ] and is arranged on the bottom surface and the side surface of the grinding material pool, the whole bottom surface is equivalent to an air box, and the side surface is distributed with the air duct [7 ]; the air holes and the spray heads [12] are uniformly distributed on the bottom surface and the side surface of the grinding material pool, the air holes [8] on the bottom surface are distributed in a round and square shape, and the air holes [9] on the side surface are distributed in a square shape, so that high-speed flowing air flow is provided for the grinding material pool.

The workpiece clamping system [ III ] consists of a driving motor [13], a transmission shaft [15] and a magnetic clamp [16 ]; the driving motor [13] is fixed on the top cover [14] of the grinding material tank, the output end of the driving motor [13] is connected with one end of a transmission shaft [15], the other end of the transmission shaft [15] is connected with a magnetic clamp [16], a workpiece to be processed is adsorbed on the clamp and rotates in the grinding material tank, and therefore finishing processing is carried out.

The prismoid cylinder body [ IV ] is an integral framework of the abrasive pool, comprises a top cover [14], a cylinder body and a fixing device [11] and is in a shape of a frustum of a pyramid, and the shape can ensure that solid abrasives in the abrasive pool are mixed more fully and uniformly, so that the efficiency of the device is improved; the inner wall of the cylinder body is provided with a heat insulation material and a protective shell.

The working principle of the grinding material pool is as follows: the air blower [1] provides wind power required by an experiment, gas passes through the cooling and filtering device [2] and then enters the air conveying pipeline [6], pressure required in the experiment process is loaded by the air pressure adjusting device [5] above the pipeline, the gas enters the air ventilating pipeline [7] and passes through secondary filtering of the filter screen [10], then the gas is sprayed into the grinding pool through the spray head [12], high-speed gas enables a large amount of solid grinding materials in the grinding pool to have fluid characteristics, meanwhile, a workpiece to be processed is adsorbed on the clamp [16], power is provided by the driving motor [13] fixed on the top cover [14], high-speed rotary motion is driven through the transmission shaft [15], and in the grinding pool, fluidized solid grinding materials are in contact with the surface of the workpiece, collide and cut, so that the polishing and processing of the workpiece are realized.

The foregoing shows and describes the basic principles and general operation of the present invention as will be appreciated and used by those skilled in the art. It will be apparent to those skilled in the art that various modifications, equivalent substitutions and improvements can be easily made to the embodiments, and therefore, it is intended that all such modifications and improvements be made without departing from the scope of the present invention.