CN108818311B - Trimming device of grinding wheel for machining U-shaped notch of impact sample - Google Patents
Trimming device of grinding wheel for machining U-shaped notch of impact sample Download PDFInfo
- Publication number
- CN108818311B CN108818311B CN201810627117.0A CN201810627117A CN108818311B CN 108818311 B CN108818311 B CN 108818311B CN 201810627117 A CN201810627117 A CN 201810627117A CN 108818311 B CN108818311 B CN 108818311B
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- China
- Prior art keywords
- grinding wheel
- dressing
- machining
- pen
- notch
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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
- B24B53/00—Devices or means for dressing or conditioning abrasive surfaces
- B24B53/12—Dressing tools; Holders therefor
-
- 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
- B24B53/00—Devices or means for dressing or conditioning abrasive surfaces
- B24B53/06—Devices or means for dressing or conditioning abrasive surfaces of profiled abrasive wheels
Abstract
The invention discloses a dressing device of a grinding wheel for machining a U-shaped notch of an impact sample, which comprises a dressing controller and a diamond pen, wherein a pen point of the diamond pen can be in contact with the outer edge of the grinding wheel to be dressed; the trimming controller is in transmission connection with the rotating base through a rotating driver, and the trimming controller is in transmission connection with the moving platform through a translation driver. The invention can automatically realize the dressing of the grinding wheel, and has the advantages of simple operation, convenience, rapidness, high dressing precision, high efficiency, safety and reliability.
Description
Technical Field
The invention belongs to the technical field of industrial automatic processing, and particularly relates to a grinding wheel trimming device for processing a U-shaped notch of an impact sample.
Background
In the prior art, when a grinding wheel for machining a U-shaped notch of an impact test sample is dressed, the method generally comprises the following steps: (1) thinning the grinding wheel with the initial thickness of more than 2mm to the thickness of 2mm on a lathe; (2) mounting a grinding wheel with the thickness of 2mm on a grinding machine; (3) and manually finishing the outer edge of the grinding wheel into a hemispherical surface.
In the prior art, the grinding wheel is manually dressed by a person, so that the outer edge of the grinding wheel is difficult to be dressed to a proper size at one time, and the dressing effect of the grinding wheel is different from person to person, so that certain influence can be generated on the machining quality of the U-shaped notch of the impact sample. In actual finishing operation, in order to ensure the processing quality of the U-shaped notch of the impact sample, after the grinding wheel is manually and primarily finished, the grinding wheel is firstly used for trial grinding the sample, a projector is used for observing the shape and the size of the arc surface of the sample, then the grinding wheel is manually finished until the ground notch meets the standard, and finally the sample is formally ground. In the actual grinding of the sample, the grinding wheel is worn, and therefore, the grinding wheel must be continuously dressed.
Therefore, the whole process of finishing the grinding wheel for machining the U-shaped notch of the impact sample by using the existing method is very complicated, the machining efficiency is low, a plurality of auxiliary devices are used, a lathe and a grinding machine are needed, a projector is matched for observing the finishing effect of the grinding wheel, a plurality of operators are needed, manual finishing is time-consuming and labor-consuming, the efficiency is low, the finishing quality excessively depends on manual skill, and the machining quality of the U-shaped notch of the impact sample cannot be guaranteed; in addition, when the thickness of the grinding wheel is trimmed by using a lathe and the outer edge of the grinding wheel is trimmed manually, an operator needs to operate the grinding wheel which rotates at a high speed in a close range, the risk of injury to a human body caused by grinding of the grinding wheel is high, and the safety factor is low.
Disclosure of Invention
The existing method for manually finishing the grinding wheel for machining the U-shaped notch of the impact sample is time-consuming and labor-consuming, low in efficiency, low in finishing precision and low in safety factor. The invention aims to provide the grinding wheel trimming device for machining the U-shaped notch of the impact sample, which is simple to operate, convenient and quick, high in trimming precision, high in efficiency, safe and reliable, and overcomes the defects of the prior art.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a dressing device of a grinding wheel for machining a U-shaped notch of an impact sample is characterized by comprising a dressing controller and a diamond pen of which the pen point can be in contact with the outer edge of the grinding wheel to be dressed, wherein the diamond pen is fixedly connected with a rotating seat which can drive the diamond pen to dress the outer edge of the grinding wheel through a pen rack, and a rotating platform is arranged on a moving platform which can drive the rotating platform to translate relative to the outer edge of the grinding wheel; the trimming controller is in transmission connection with the rotating base through a rotating driver, and the trimming controller is in transmission connection with the moving platform through a translation driver.
By means of the structure, the dressing controller controls the rotary seat to drive the diamond pen to rotate through the rotary driver, and meanwhile controls the rotating time point, the rotating angle and the rotating speed of the diamond pen, so that the purpose of automatically dressing the outer edge of the grinding wheel is achieved. In the process of grinding wheel dressing, the diameter of the grinding wheel can be reduced, the dressing controller controls the moving platform to drive the rotating platform to make translational motion relative to the outer edge of the grinding wheel through the translational driver, and meanwhile, the time point of the translational motion, the displacement of the translational motion and the rate of the translational motion are controlled, so that the following motion of the diamond pen to the outer edge of the grinding wheel is finally realized, and the dressing amount is accurately controlled. Therefore, the invention can automatically finish the grinding wheel, and has the advantages of simple operation, convenience, rapidness, high finishing precision, high efficiency, safety and reliability.
Preferably, the angle of the pen point of the diamond pen is 60 °.
Preferably, the diamond pen is made of boron nitride.
Preferably, the initial thickness of the grinding wheel to be dressed is 2 mm.
Further, the grinding wheel cooling device further comprises a cooling liquid pipe used for conveying cooling liquid to the outer edge of the grinding wheel.
As a preferable mode, the diamond pen is fixedly connected with the pen rack through the pen holder.
Preferably, the rotary driver and the translation driver are both servo motors.
Compared with the prior art, the automatic dressing device can automatically realize the dressing of the grinding wheel, and has the advantages of simple operation, convenience, rapidness, high dressing precision, high efficiency, safety and reliability.
Drawings
Fig. 1 is a schematic structural diagram according to an embodiment of the present invention.
Wherein, 1 is the controller of repairing, 2 is the emery wheel, 3 is the diamond pen, 4 is the penholder, 5 is the roating seat, 6 is moving platform, 7 is the rotary actuator, 8 is the translation driver, 9 is the coolant liquid pipe, 10 is the penholder.
Detailed Description
As shown in fig. 1, the dressing device of the grinding wheel 2 for machining the U-shaped notch of the impact sample comprises a dressing controller 1 and a diamond pen 3, wherein a pen point of the diamond pen 3 can be in contact with the outer edge of the grinding wheel 2 to be dressed, the diamond pen 3 is fixedly connected with a rotating seat 5 which can drive the diamond pen 3 to dress the outer edge of the grinding wheel 2 through a pen rack 4, and the rotating platform is arranged on a moving platform 6 which can drive the rotating platform to translate relative to the outer edge of the grinding wheel 2; the dressing controller 1 is in transmission connection with the rotating base 5 through a rotating driver 7, and the dressing controller 1 is in transmission connection with the moving platform 6 through a translation driver 8.
The pen point angle of the diamond pen 3 is 60 degrees.
The diamond pen 3 is made of boron nitride. The grinding wheel 2 is made of brown corundum. Because of the shape change, the passivation of the sharp angle of the abrasive particles and the blockage of the pores of the abrasive particles of the notched grinding wheel 2 in the process of grinding the notch, the notch shape can not meet the requirement due to the continuous grinding under the condition, meanwhile, the notch grinding efficiency is reduced, the grinding heat productivity is increased, and the tissue state of the notch is influenced, so that the optimal surface shape and the sharp degree of the sharp angle of the abrasive particles of the grinding wheel 2 can be obtained through the adjustment of the grinding wheel 2, and the notch processing quality and the processing efficiency are improved.
The initial thickness of the grinding wheel 2 to be dressed is 2 mm.
The grinding wheel dressing device also comprises a cooling liquid pipe 9 for conveying cooling liquid to the outer edge of the grinding wheel 2.
The diamond pen 3 is fixedly connected with the pen rack 4 through the pen holder 10.
The rotary driver 7 and the translation driver 8 are both servo motor drivers.
The working process of the invention is as follows:
1. the new wheel first dressing program consist and the wheel intermediate dressing program consist are shown in tables 1 and 2, respectively. Wherein the X stage is referred to as the moving stage 6. The grinding wheel 2 is vertical to the horizontal plane. The X-axis direction refers to the tangent direction of the highest point of the grinding wheel 2, the Z-axis direction refers to the vertical direction, and the Y-axis direction is determined according to a right-hand screw rule.
TABLE 1 marshalling of New grinding wheel first dressing program
TABLE 2 intermediate dressing program grouping of grinding wheels
2. When a new grinding wheel 2 is dressed for the first time, the pen point of the diamond pen 3 is adjusted to the original point, the 'new grinding wheel first dressing program grouping' is called, and the start key is pressed to finish the dressing of the grinding wheel 2.
3. And (3) trimming the grinding wheel 2 in midway, calling a grinding wheel middle trimming program grouping, and pressing a start key to finish trimming the grinding wheel 2.
4. And finishing the grinding wheel 2 subsequently by pressing the starting key until the grinding wheel 2 is used to the limit position, replacing the new grinding wheel 2, and repeating the operations 1-4.
The numerical control grinding wheel dressing device only needs a few minutes for dressing a grinding wheel, the existing manual grinding wheel dressing mode requires dozens of minutes for dressing once, the working efficiency is improved by more than ten times, and the micron-sized processing precision of the invention cannot be achieved by manually dressing the grinding wheel.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (7)
1. A trimming device of a grinding wheel for processing a U-shaped notch of an impact sample is characterized by comprising a trimming controller (1) and a diamond pen (3) with a pen point capable of being in contact with the outer edge of the grinding wheel (2) to be trimmed, wherein the diamond pen (3) is fixedly connected with a rotating seat (5) capable of driving the diamond pen (3) to trim the outer edge of the grinding wheel (2) through a pen rack (4), and the rotating seat (5) is arranged on a moving platform (6) capable of driving the rotating seat (5) to translate relative to the outer edge of the grinding wheel (2); the trimming controller (1) is in transmission connection with the rotating base (5) through a rotating driver (7), and the trimming controller (1) is in transmission connection with the moving platform (6) through a translation driver (8).
2. The apparatus for dressing a grinding wheel for U-notch machining of an impact specimen according to claim 1, wherein the angle of the point of the diamond pen (3) is 60 °.
3. The apparatus for dressing a grinding wheel for U-notch machining of an impact specimen according to claim 1, wherein the material of said diamond pen (3) is boron nitride.
4. The apparatus for dressing a grinding wheel for U-notch machining of impact specimen according to claim 1, wherein the initial thickness of the grinding wheel (2) to be dressed is 2 mm.
5. The apparatus for dressing a grinding wheel for machining a U-notch in an impact specimen according to claim 1, further comprising a coolant pipe (9) for supplying a coolant to an outer periphery of the grinding wheel (2).
6. The device for dressing the grinding wheel for machining the U-shaped notch of the impact specimen according to claim 1, wherein the diamond pen (3) is fixedly connected with the pen holder (4) through a pen holder (10).
7. The apparatus for dressing a grinding wheel for U-notch machining of an impact specimen according to claim 1, wherein the rotary driver (7) and the translation driver (8) are both servo motors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810627117.0A CN108818311B (en) | 2018-06-19 | 2018-06-19 | Trimming device of grinding wheel for machining U-shaped notch of impact sample |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810627117.0A CN108818311B (en) | 2018-06-19 | 2018-06-19 | Trimming device of grinding wheel for machining U-shaped notch of impact sample |
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| Publication Number | Publication Date |
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| CN108818311A CN108818311A (en) | 2018-11-16 |
| CN108818311B true CN108818311B (en) | 2020-04-10 |
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| CN201810627117.0A Active CN108818311B (en) | 2018-06-19 | 2018-06-19 | Trimming device of grinding wheel for machining U-shaped notch of impact sample |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109262464B (en) * | 2018-11-30 | 2021-03-16 | 扬州大学 | Grinding wheel dressing method and device for screw |
| CN109926922B (en) * | 2019-03-15 | 2020-08-25 | 浙江杭机股份有限公司 | Swinging diamond pen dressing grinding wheel device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202804856U (en) * | 2012-10-30 | 2013-03-20 | 新昌县诚本轴承滚子有限公司 | Spherical roller end face supergrinding device |
| CN203845447U (en) * | 2014-05-06 | 2014-09-24 | 台州市握奇自动化设备有限公司 | Intelligent moving loader |
| CN105690262A (en) * | 2016-04-08 | 2016-06-22 | 宁波明润机械制造有限公司 | Grinding wheel dresser for inner ring channel grinding super all-in-one machine for full-automatic bearing sleeve ring |
| CN105751037A (en) * | 2016-04-08 | 2016-07-13 | 宁波明润机械制造有限公司 | Inner ring groove grinding and ultra-fine-processing integral machine for fully automatic bearing ring |
| CN205552287U (en) * | 2016-04-08 | 2016-09-07 | 宁波明润机械制造有限公司 | Full -automatic bearing ring's inner ring raceway grinds grinding wheel dresser of super all -in -one |
-
2018
- 2018-06-19 CN CN201810627117.0A patent/CN108818311B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202804856U (en) * | 2012-10-30 | 2013-03-20 | 新昌县诚本轴承滚子有限公司 | Spherical roller end face supergrinding device |
| CN203845447U (en) * | 2014-05-06 | 2014-09-24 | 台州市握奇自动化设备有限公司 | Intelligent moving loader |
| CN105690262A (en) * | 2016-04-08 | 2016-06-22 | 宁波明润机械制造有限公司 | Grinding wheel dresser for inner ring channel grinding super all-in-one machine for full-automatic bearing sleeve ring |
| CN105751037A (en) * | 2016-04-08 | 2016-07-13 | 宁波明润机械制造有限公司 | Inner ring groove grinding and ultra-fine-processing integral machine for fully automatic bearing ring |
| CN205552287U (en) * | 2016-04-08 | 2016-09-07 | 宁波明润机械制造有限公司 | Full -automatic bearing ring's inner ring raceway grinds grinding wheel dresser of super all -in -one |
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| CN108818311A (en) | 2018-11-16 |
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