CN113696086A - Multi-degree-of-freedom cooperative auxiliary device for improving grinding efficiency of vibration finishing - Google Patents
Multi-degree-of-freedom cooperative auxiliary device for improving grinding efficiency of vibration finishing Download PDFInfo
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- CN113696086A CN113696086A CN202111080834.4A CN202111080834A CN113696086A CN 113696086 A CN113696086 A CN 113696086A CN 202111080834 A CN202111080834 A CN 202111080834A CN 113696086 A CN113696086 A CN 113696086A
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- Prior art keywords
- vibration
- finishing
- degree
- auxiliary device
- vibration finishing
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- 238000005498 polishing Methods 0.000 claims description 14
- 238000013016 damping Methods 0.000 claims description 4
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000012545 processing Methods 0.000 abstract description 10
- 238000007730 finishing process Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 7
- 230000003746 surface roughness Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000003082 abrasive agent Substances 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 239000010431 corundum Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000013100 final test Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010002 mechanical finishing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B31/00—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor
- B24B31/06—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor involving oscillating or vibrating containers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B31/00—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor
- B24B31/12—Accessories; Protective equipment or safety devices; Installations for exhaustion of dust or for sound absorption specially adapted for machines covered by group B24B31/00
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/02—Frames; Beds; Carriages
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses a multi-degree-of-freedom cooperative auxiliary device for improving the grinding efficiency of vibration finishing, which comprises a rack which is transversely arranged above a vibration finishing container, wherein a mandrel is vertically hung on the rack, a gear disc is rotatably arranged on the mandrel, a connecting rod is eccentrically arranged on the gear disc, a clamp for clamping a workpiece in the vibration finishing container is arranged at the bottom end of the connecting rod, and the gear disc rotates to drive the workpiece to vibrate in the vibration finishing container. The multi-degree-of-freedom cooperative auxiliary device can introduce two key parameters of relative motion and processing position on the basis of the original vibration finishing process, the finishing efficiency is higher when the workpiece is positioned at the position close to the wall of the vibration finishing container, the finishing efficiency is higher when the relative speed between the workpiece and the grinding medium is higher, and the multi-degree-of-freedom motion effect of each workpiece in the vibration finishing process is maintained, so that the vibration finishing efficiency is greatly improved.
Description
Technical Field
The invention relates to the technical field of material surface treatment, in particular to a multi-degree-of-freedom cooperative auxiliary device for improving the grinding efficiency of vibration finishing.
Background
The machined parts usually have a large amount of burrs, the surface roughness is poor, the parts cannot be directly put into use, and the use requirements can be met only by a series of deburring and finishing processing procedures. In the past, finishing of machined parts is manually performed by tools such as files, abrasive belts, grinding wheels, polishing machines and the like. With the development of production and technological advances, such manual processes have not been adapted to new requirements, and finishing techniques relying on mechanical finishing with abrasive materials have been developed, with the most widely used technique being vibration finishing.
The vibration finishing adopts a three-dimensional working principle, utilizes mutual grinding of a part and a grinding stone to carry out surface finishing on the part to obtain a flat and glossy surface, and can improve the stress distribution of the part and improve the fatigue resistance by adopting the vibration finishing technology. The container of the vibration finishing machine is usually an open round pot or a square groove, the size of the container can be small or large, the container capacity suitable for the size of the processing part can be designed according to the size of the processing part, and the vibration finishing machine has quite high flexibility.
As the machine industry advances, more and more parts require higher finishes, such as GE and SIEMENS finished gas turbine compressor blades, which have achieved a level of ra0.2 and require the use of surface finishing techniques, which have achieved a surface roughness of Ra4 before finishing. The requirement is difficult to meet by adopting the traditional vibration finishing process, and researches prove that the part is machined by adopting the vibration finishing process, the surface roughness of Ra0.2 can be obtained only when the machining time reaches more than 16h, the machining efficiency is extremely low, and simultaneously, the size of the sharp corner of the part is easy to be out of tolerance due to overlong grinding time. Other researches show that high processing efficiency can be obtained by adopting vortex type or centrifugal type finishing equipment, but the two types of equipment have limitations, the vortex type finishing equipment is a machine for obtaining high processing efficiency by adopting high rotating speed, and the surface damage of parts is easily caused by adopting the machine, so that the parts with high surface integrity requirements are fatal damage; centrifugal finishing equipment needs to use a separate container as a planetary component of a centrifuge, the size of the centrifugal finishing equipment is easily limited, the flexibility is poor, the use cost of the large-size centrifuge is too high, and vibration finishing is still the most ideal choice for large-scale production enterprises, so that the development of a high-efficiency vibration finishing process is urgent and significant work is needed.
Disclosure of Invention
The invention aims to provide a multi-degree-of-freedom cooperative auxiliary device for improving the grinding efficiency of vibration finishing, which is used for assisting the use of the existing vibration finishing machine and improving the efficiency of vibration finishing based on the influence of the position of a workpiece in a finishing container and the relative motion rate of a part and a finishing grinding material piece on the efficiency of vibration finishing.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a multi freedom is auxiliary device in coordination for improving vibration finishing grinding efficiency, its includes the frame of crossbearer in vibration finishing container top, and the vertical dabber that has hung in the frame rotates on the dabber and is provided with the toothed disc, and the eccentric connecting rod that is provided with on the toothed disc, and the bottom of connecting rod is provided with the anchor clamps that are arranged in the centre gripping vibration finishing container work piece, and the toothed disc rotates and then drives the work piece and vibrate in the vibration finishing container.
Particularly, the connecting rod comprises a hook portion, a sleeve and a hanging rod, the hook portion is in threaded connection with the top end portion of the sleeve, the hanging rod penetrates through the sleeve, a limiting protruding head is arranged at the upper end of the hanging rod, a damping spring is sleeved on the hanging rod and located between the limiting protruding head and the bottom end portion of the sleeve, and the lower end of the hanging rod extends out of the sleeve.
Particularly, the hanging rod is connected with the clamp through a universal ball head.
Particularly, the gear plate is hollow and provided with a plurality of radial ribs, and the connecting rod is hung on the radial ribs and can move along the radial ribs.
In particular, the toothed disc and the vibrating light container are located on the same vertical axis.
Particularly, a mounting seat is arranged on the rack, a motor is arranged on the mounting seat, a driving gear is arranged on an output shaft of the motor, and the driving gear is meshed with the gear disc.
In particular, the motor is provided with more than one and synchronous drive, the corresponding drive gears being uniformly distributed on the periphery of the gear disc.
In particular, the clamp comprises two adjusting bolts for clamping the workpiece against each other.
In summary, the multi-degree-of-freedom cooperative auxiliary device for improving the grinding efficiency of the vibration finishing has the advantages that compared with the prior art, two key parameters of relative motion and processing position can be introduced on the basis of the original vibration finishing process, when the workpiece is located at the position close to the wall of the vibration finishing container, the finishing efficiency is high, when the relative speed between the workpiece and the grinding medium is high, the multi-degree-of-freedom motion effect of each workpiece in the vibration finishing process is maintained, and therefore the efficiency of the vibration finishing is greatly improved.
Drawings
FIG. 1 is a schematic structural diagram of a multi-degree-of-freedom cooperative auxiliary device for improving the polishing efficiency of a vibrating polishing article according to an embodiment of the present invention;
FIG. 2 is a schematic diagram illustrating a connection between a connection rod and a fixture in the multi-degree-of-freedom cooperative auxiliary device for improving the polishing efficiency of a vibrating polishing article according to an embodiment of the present invention;
fig. 3 is a graph of a vibration finishing polishing curve with and without the multi-degree-of-freedom cooperative auxiliary device according to the embodiment of the present invention, in which the abscissa represents polishing time (h) and the ordinate represents surface roughness (Ra).
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar parts throughout or parts having the same or similar functions. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, a mechanical connection, an electrical connection, an indirect connection via an intermediary, a communication between two elements, or an interaction between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present invention, unless otherwise expressly specified or limited, the first feature "on" or "under" the second feature may include the first feature and the second feature being in direct contact, or may include the first feature and the second feature being in contact not directly but with another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature. The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
Referring to fig. 1 and 2, the preferred embodiment provides a multi-degree-of-freedom cooperative auxiliary device for improving the polishing efficiency of a vibration finishing, and many studies and practices show that the vibration finishing efficiency is significantly related to the position of a workpiece in a finishing container and the relative motion rate of a part and a finishing polishing material piece, that is, the finishing efficiency is high when the workpiece is located at the position close to the wall of the finishing container, and the finishing efficiency is high when the relative speed between the workpiece and a polishing medium is high, so the multi-degree-of-freedom cooperative auxiliary device is developed based on the two factors.
The multi-degree-of-freedom cooperative auxiliary device comprises a rack 1 which is horizontally arranged above a vibration finishing container 7, a mandrel 2 is vertically suspended on the rack 1, a gear disc 3 is arranged on the mandrel 2 in a rotating mode, a connecting rod 4 is eccentrically arranged on the gear disc 3, a clamp 5 used for clamping a workpiece in the vibration finishing container 7 is arranged at the bottom end of the connecting rod 4, and the gear disc 3 rotates to drive the workpiece to vibrate in the vibration finishing container 7.
The connecting rod 4 comprises a hook portion 41, a sleeve 42 and a hanging rod 43, the hook portion 41 is in threaded connection with the top end portion of the sleeve 42, the hanging rod 43 is arranged in the sleeve 42 in a penetrating mode, a limiting raised head 44 is arranged at the upper end of the hanging rod 43, a damping spring 45 is sleeved on the hanging rod 43, the damping spring 45 is located between the limiting raised head 44 and the bottom end portion of the sleeve 42, and the lower end of the hanging rod 43 extends out of the sleeve 42. Further, the hanging rod 43 is connected with the clamp 5 through a universal ball head 46, so that the clamped workpiece can still move in multiple degrees of freedom.
The gear plate 3 here is hollowed out and is provided with a plurality of radial ribs 31, and the connecting rod 4 is hooked on the radial ribs 31 and can move along the radial ribs 31, so that the size of the container 7 is finished by adapting to various vibrations.
The gear plate 3 and the vibration finishing container 7 are positioned on the same vertical axis, so that the workpiece is ensured to stably move close to the wall of the vibration finishing container 7.
The rack 1 is provided with a mounting seat 11, the mounting seat 11 is provided with a motor 6, an output shaft of the motor 6 is provided with a driving gear, and the driving gear is meshed with the gear disc 3. In particular, the motor 6 is provided with more than one and synchronous drive, the corresponding driving gears being uniformly distributed on the periphery of the toothed disc 3.
The clamp 5 here comprises two adjusting bolts 51 for clamping the workpiece against each other, facilitating simple clamping of the workpiece.
Then, simple process equipment is built according to the idea of the embodiment, a high-strength steel blade of the gas compressor is selected as an object to be subjected to a vibration finishing experiment, and the capacity of a vibration finishing machine selected in the experiment is 600L; selecting the total length of the leaves as 200 mm; selecting a grinding material as a ceramic-based brown corundum grinding material; the parameters are set to be vibration frequency 50HZ and amplitude is 3 mm; the test control group without the multi-degree-of-freedom assistant device is set, and other parameters are the same.
The surface roughness of the high-strength steel blade of the compressor is Ra4 after shot blasting treatment before finishing, and the surface smoothness is required to reach Ra0.2 after vibration finishing. In order to record the vibration finishing effect, the surface roughness of the workpiece is recorded every 30min in the experiment, the final test result is shown in fig. 3, and the time for using the multi-degree-of-freedom cooperative auxiliary device to meet the process requirement is only 1/4 which is not suitable for the device, so that the multi-degree-of-freedom cooperative auxiliary device can greatly improve the processing efficiency of vibration finishing, and the processing cost is greatly reduced.
In summary, the multi-degree-of-freedom cooperative auxiliary device for improving the grinding efficiency of the vibration finishing can introduce two key parameters of relative motion and processing position on the basis of the original vibration finishing process, and maintain the multi-degree-of-freedom motion effect of each workpiece in the vibration finishing process, thereby greatly improving the efficiency of the vibration finishing.
The foregoing embodiments are merely illustrative of the principles and features of this invention, which is not limited to the above-described embodiments, but is capable of various modifications and changes without departing from the spirit and scope of the invention, which are intended to be within the scope of the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a multi freedom is auxiliary device in coordination for improving vibration polishing grinding efficiency which characterized in that, includes the frame of crossbearer in vibration polishing container top, the vertical dabber that has hung in the frame, it is provided with the toothed disc to rotate on the dabber, the eccentric connecting rod that is provided with on the toothed disc, the bottom of connecting rod is provided with the anchor clamps that are arranged in centre gripping vibration polishing container work piece, the toothed disc rotates and then drives the work piece and vibrate in vibration polishing container.
2. The multi-degree-of-freedom cooperative auxiliary device for improving the grinding efficiency of the vibration finishing as claimed in claim 1, wherein: the connecting rod comprises a hook portion, a sleeve and a hanging rod, the hook portion is in threaded connection with the top end portion of the sleeve, the hanging rod is arranged in the sleeve in a penetrating mode, a limiting protruding head is arranged at the upper end of the hanging rod, a damping spring is sleeved on the hanging rod and located between the limiting protruding head and the bottom end portion of the sleeve, and the lower end of the hanging rod extends out of the sleeve.
3. The multi-degree-of-freedom cooperative auxiliary device for improving the grinding efficiency of the vibration finishing as claimed in claim 2, wherein: the hanging rod is connected with the clamp through a universal ball head.
4. The multi-degree-of-freedom cooperative auxiliary device for improving the grinding efficiency of the vibration finishing as claimed in claim 1, wherein: the gear plate is hollow and provided with a plurality of radial ribs, and the connecting rod is hung on the radial ribs and can move along the radial ribs.
5. The multi-degree-of-freedom cooperative auxiliary device for improving the grinding efficiency of the vibration finishing as claimed in claim 1, wherein: the gear disc and the vibration finishing container are positioned on the same vertical axis.
6. The multi-degree-of-freedom cooperative auxiliary device for improving the grinding efficiency of the vibration finishing as claimed in claim 1, wherein: the rack is provided with a mounting seat, the mounting seat is provided with a motor, an output shaft of the motor is provided with a driving gear, and the driving gear is meshed with the gear disc.
7. The multi-degree-of-freedom cooperative auxiliary device for improving the grinding efficiency of the vibration finishing as claimed in claim 6, wherein: the motor is provided with more than one and synchronous drive, and the corresponding drive gear is evenly distributed on the periphery of the gear disc.
8. The multi-degree-of-freedom cooperative auxiliary device for improving the grinding efficiency of the vibration finishing as claimed in claim 1, wherein: the clamp comprises two adjusting bolts for oppositely clamping the workpiece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111080834.4A CN113696086A (en) | 2021-09-15 | 2021-09-15 | Multi-degree-of-freedom cooperative auxiliary device for improving grinding efficiency of vibration finishing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111080834.4A CN113696086A (en) | 2021-09-15 | 2021-09-15 | Multi-degree-of-freedom cooperative auxiliary device for improving grinding efficiency of vibration finishing |
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| Publication Number | Publication Date |
|---|---|
| CN113696086A true CN113696086A (en) | 2021-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111080834.4A Pending CN113696086A (en) | 2021-09-15 | 2021-09-15 | Multi-degree-of-freedom cooperative auxiliary device for improving grinding efficiency of vibration finishing |
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| Country | Link |
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| CN (1) | CN113696086A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116277656A (en) * | 2023-03-21 | 2023-06-23 | 江苏语诣光电科技有限公司 | Surface treatment device and treatment method for reflecting bowl of automobile headlight |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201098836Y (en) * | 2007-06-20 | 2008-08-13 | 浙江湖磨抛光磨具制造有限公司 | Slope-climbing type vibration light decorating machine |
| CN201158001Y (en) * | 2007-11-15 | 2008-12-03 | 浙江湖磨抛光磨具制造有限公司 | Longitudinal vibrating burnisher with circular arc shaped cross-section |
| CN101767310A (en) * | 2008-12-31 | 2010-07-07 | 大连隆正光饰机制造有限公司 | Novel vibrating finisher |
| DE202010018082U1 (en) * | 2010-07-21 | 2014-01-21 | Walther Trowal Gmbh & Co. Kg | Grinding or polishing device |
| CN105058216A (en) * | 2015-08-24 | 2015-11-18 | 浙江湖磨抛光磨具制造有限公司 | Multi-stage transmission type polisher |
-
2021
- 2021-09-15 CN CN202111080834.4A patent/CN113696086A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201098836Y (en) * | 2007-06-20 | 2008-08-13 | 浙江湖磨抛光磨具制造有限公司 | Slope-climbing type vibration light decorating machine |
| CN201158001Y (en) * | 2007-11-15 | 2008-12-03 | 浙江湖磨抛光磨具制造有限公司 | Longitudinal vibrating burnisher with circular arc shaped cross-section |
| CN101767310A (en) * | 2008-12-31 | 2010-07-07 | 大连隆正光饰机制造有限公司 | Novel vibrating finisher |
| DE202010018082U1 (en) * | 2010-07-21 | 2014-01-21 | Walther Trowal Gmbh & Co. Kg | Grinding or polishing device |
| CN105058216A (en) * | 2015-08-24 | 2015-11-18 | 浙江湖磨抛光磨具制造有限公司 | Multi-stage transmission type polisher |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116277656A (en) * | 2023-03-21 | 2023-06-23 | 江苏语诣光电科技有限公司 | Surface treatment device and treatment method for reflecting bowl of automobile headlight |
| CN116277656B (en) * | 2023-03-21 | 2023-09-15 | 江苏语诣光电科技有限公司 | Surface treatment device and treatment method for reflecting bowl of automobile headlight |
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Application publication date: 20211126 |
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