CN109227368B - Combined grinding head for blunting sharp edge of cam shaft - Google Patents
Combined grinding head for blunting sharp edge of cam shaft Download PDFInfo
- Publication number
- CN109227368B CN109227368B CN201811370049.0A CN201811370049A CN109227368B CN 109227368 B CN109227368 B CN 109227368B CN 201811370049 A CN201811370049 A CN 201811370049A CN 109227368 B CN109227368 B CN 109227368B
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- grinding
- axis
- handle
- bars
- cutter handle
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- 230000007246 mechanism Effects 0.000 claims abstract description 39
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000007547 defect Effects 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 3
- 230000008439 repair process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Classifications
-
- 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
- B24B41/04—Headstocks; Working-spindles; Features relating thereto
-
- 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
- B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention relates to a combined grinding head for blunting a sharp edge of a cam shaft, which comprises a cutter handle, a rotary table mechanism, guide sliding rails and grinding bars, wherein the cutter handle is of a columnar rod body structure, at least two clamping bars are uniformly distributed on the outer side surface of the rear half part, at least three connecting sliding grooves are uniformly distributed on the outer side surface of the front half part, a plurality of rotary table mechanisms are arranged, the rear end surface of each rotary table mechanism is connected with the cutter handle through the connecting sliding grooves, at least one guide sliding rail is arranged on the front end surface of each rotary table mechanism, the guide sliding rails are distributed in parallel with the front end surface of each rotary table mechanism, the distance between each guide sliding rail and the outer surface of the cutter handle is not less than 3mm, the axes of the guide sliding rails and the axes of the cutter handle form an included angle of 0-180 degrees, and the grinding bars are uniformly distributed on each guide sliding rail along the axial direction of the guide sliding rail. The invention can flexibly adjust the structure of the grinding head according to the use requirement, meets the requirement of grinding and dulling operation on the operation surfaces of different operation structures, and can flexibly adjust and replace parts of the grinding head according to the use and maintenance operation requirement in the use process.
Description
Technical Field
The invention relates to a grinding head structure, in particular to a combined grinding head for blunting a sharp edge of a cam shaft.
Background
In the existing camshaft production and processing, the edges of the camshaft blank after being processed and molded by a machine tool are relatively sharp, and quality defects such as burrs are easy to remain, so that on one hand, sharp edges and edges in the subsequent camshaft processing are extremely easy to cause scratches on adjacent camshaft workpieces, processing equipment, hands of workers and the like, on the other hand, the structural strength of the sharp edges and edges of the camshaft is relatively weak, and the surface structure of the camshaft is extremely easy to be damaged due to external force impact and the like, besides, the sharp edges and edges in the camshaft processing, especially the sharp edges and edges in the camshaft processing comprising defects such as burrs, are attached to the surface of the camshaft due to falling of the edges and the burrs at the edge parts, so as to form the surface scratches of the camshaft, in the prior art, the traditional grinding machine is mainly used for grinding and chamfering edges of the camshaft to eliminate the defects caused by sharp edges and corners, and the camshaft can meet the use requirement to a certain extent, but the camshaft has a plurality of edges which need to be subjected to chamfering operation, the distribution structure of each edge is complex, the processing space structure of the chamfering operation is relatively complex, thus the chamfering operation on all sharp edges and corners of the camshaft can not be effectively realized through the traditional grinding wheel structure, the working efficiency of the chamfering operation is relatively low, the processing quality and efficiency of the camshaft product are seriously influenced, and huge hidden trouble is left for the subsequent processing and use of the camshaft, therefore, in view of the current situation, there is an urgent need to develop a grinding head for camshaft dulling to meet the needs of practical use.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention provides the combined grinding head for the blunting of the sharp edge of the cam shaft, which has the advantages of simple structure, flexible and convenient use and good universality, on one hand, the structure of the grinding head can be flexibly adjusted according to the use requirement, the requirement of grinding blunting operation on the operation surfaces of different operation structures is met, on the other hand, in the use process, the parts of the grinding head can be flexibly adjusted and replaced according to the use and maintenance operation requirements, the use flexibility of the grinding head is improved, and meanwhile, the fault repair rate of the grinding head is effectively improved, so that the use stability of grinding head equipment is greatly improved, the service life of the grinding head is effectively prolonged, and the purpose of reducing the use cost of the grinding head is achieved.
In order to achieve the above object, the present invention is realized by the following technical scheme: the utility model provides a camshaft sharp edge is dulled and is used combination formula bistrique, which comprises a handle, revolving stage mechanism, the direction slide rail, the abrasive strip, wherein the handle is columnar body of rod structure, back half lateral surface equipartition is two at least grip strips, the lateral surface equipartition of front half is at least three connection spout, grip strip and connection spout encircle the handle of a knife axis equipartition, and with handle of a knife axis parallel distribution, revolving stage mechanism a plurality of, revolving stage mechanism rear end face passes through connection spout and handle of a knife interconnect, and every connection spout all with at least one revolving stage mechanism interconnect, at least one direction slide rail is established to revolving stage mechanism front end face, direction slide rail and revolving stage mechanism front end face parallel distribution, and with handle of a knife surface interval no less than 3 millimeters, and direction slide rail axis is 0~ 180 contained angles with the handle of a knife axis, abrasive strip a plurality of are respectively along direction slide rail axis direction equipartition on each direction slide rail, abrasive strip axis and direction slide rail axis parallel distribution, and at least one abrasive strip is all established on every direction slide rail.
Further, the transverse end face of the cutter handle is any one of square, round and regular polygon, and comprises at least two sections of rod bodies which are connected through threads and are coaxially distributed, and the distance between the clamping strips on the outer surface of the cutter handle and the connecting sliding groove is not smaller than 1/5 of the effective length of the cutter handle.
Further, a plurality of chip grooves are arranged on the outer surface of the cutter handle, the chip grooves are uniformly distributed at positions between two adjacent connecting sliding grooves around the axis of the cutter handle, and the depth of each chip groove is not more than 1/2 of the radius of the cutter handle.
Further, the chip grooves are distributed in parallel with the axis of the cutter handle or distributed in a spiral structure around the axis of the cutter handle.
Further, the turntable mechanism is any one of a three-dimensional turntable and a two-dimensional turntable, and at least one driving servo motor and at least one angle sensor are additionally arranged on the turntable mechanism.
Furthermore, the guide sliding rail is connected with the rear end face of the grinding strip in a sliding way through a travelling mechanism, and at least one displacement sensor is additionally arranged on the travelling mechanism.
Further, the front end face of the grinding strip is any one of a plane, an arc surface, a curved surface, a wedge surface and a corrugated surface structure.
Further, in the bars, the interval between two adjacent bars is 0 to 1/3 of the circumference of the outer side surface of the virtual cylindrical structure taking the front end surface of the bar to the axis of the handle as a radius, and the side surfaces of the two adjacent bars are connected with each other through an elastic connecting belt.
Further, each at least two grinding bars uniformly distributed around the axis of the cutter handle form a working group, the outer surfaces of the grinding bars in the same working group are distributed on the outer side surface of a virtual cylindrical structure which takes the front end surface of the grinding bar to the axis of the cutter handle as a radius, and the height difference between the outer surfaces of the grinding bars in each working group and the axis of the cutter handle is 0 to 1.1 to 5 times of the maximum diameter of the cutter handle.
The grinding head structure is simple in structure, flexible and convenient to use and good in universality, on one hand, the structure of the grinding head can be flexibly adjusted according to the use requirement, the requirement of grinding and dulling operation on the working surfaces of different operation structures is met, on the other hand, in the use process, the parts of the grinding head can be flexibly adjusted and replaced according to the use and maintenance operation requirements, the use flexibility of the grinding head is improved, meanwhile, the fault repair rate of the grinding head is effectively improved, the use stability of grinding head equipment is greatly improved, the service life of the grinding head is effectively prolonged, and the purpose of reducing the use cost of the grinding head is achieved.
Drawings
The invention is described in detail below with reference to the drawings and the detailed description.
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of the operating state layout of the bars with the bar axis parallel to the shank axis;
FIG. 3 is a schematic view of a bar operating condition layout when the bar axis intersects the shank axis;
FIG. 4 is a schematic view of another bar operating condition layout when the bar axis intersects the shank axis.
Detailed Description
The invention is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
The utility model provides a camshaft sharp edge is dulled and is used combination formula bistrique, including handle 1, revolving stage mechanism 2, direction slide rail 3, abrasive strip 4, wherein handle 1 is the columnar rod body structure, the lateral surface equipartition of back half is at least two grip bars 5, the lateral surface equipartition of front half is at least three connection spout, grip bars 5 and connection spout encircle handle 1 axis equipartition, and with handle 1 axis parallel distribution, revolving stage mechanism 2a plurality of, revolving stage mechanism 2 rear end face passes through connection spout and handle 1 interconnect, and every connection spout all interconnects with at least one revolving stage mechanism 2, at least one direction slide rail 3 is established to revolving stage mechanism 2 front end face, direction slide rail 3 and revolving stage mechanism 2 front end face parallel distribution, and be not less than 3 millimeters with handle 1 external surface interval, and direction slide rail 3 axis is 0 ~ 180 contained angles with handle 1 axis, abrasive strip 4a plurality of equipartition are on each direction slide rail 3 along direction of direction slide rail 3 respectively, abrasive strip 4 axis parallel distribution with direction slide rail 3 axis, and at least one abrasive strip 4 are all set up on each direction slide rail 3.
In this embodiment, the transverse end face of the tool shank 1 is any one of square, round and regular polygon, and comprises at least two sections of rod bodies 101 which are connected through threads and are coaxially distributed, the distance between the clamping strips 5 on the outer surface of the tool shank 1 and the connecting sliding grooves is not smaller than 1/5 of the effective length of the tool shank 1, a plurality of chip grooves 102 are arranged on the outer surface of the tool shank, the chip grooves 102 are uniformly distributed between two adjacent connecting sliding grooves around the axis of the tool shank 1, the depth of each chip groove 102 is not larger than 1/2 of the radius of the tool shank 1, and the chip grooves are distributed in parallel with the axis of the tool shank 1 or distributed in a spiral structure around the axis of the tool shank 1.
Meanwhile, the turntable mechanism 2 is any one of a three-dimensional turntable and a two-dimensional turntable, and at least one driving servo motor 21 and at least one angle sensor 22 are additionally arranged on the turntable mechanism.
In addition, the guide sliding rail 3 and the rear end surface of the grinding strip 4 are connected with each other in a sliding way through a travelling mechanism 31, and at least one displacement sensor 32 is additionally arranged on the travelling mechanism 31.
It should be noted that the front end surface of the grinding strip 4 is any one of a plane, an arc surface, a curved surface, a wedge-shaped surface and a corrugated surface structure, the space between two adjacent grinding strips 4 in the grinding strip 4 is 0 to 1/3 of the circumference of the outer side surface of a virtual cylindrical structure taking the front end surface of the grinding strip 4 to the axis of the knife handle 1 as a radius, and the side surfaces of the two adjacent grinding strips 4 are connected with each other through an elastic connecting belt 7; meanwhile, in the grinding bars 4, every at least two grinding bars 4 uniformly distributed around the axis of the tool handle 1 form a working group, the outer surfaces of the grinding bars 4 in the same working group are distributed on the outer side surface of the same virtual cylindrical structure taking the front end surface of the grinding bar 4 to the axis of the tool handle 1 as a radius, and the height difference between the outer surfaces of the grinding bars 4 in each working group and the axis of the tool handle 1 is 0 to 1.1-5 times of the maximum diameter of the tool handle 1.
In the concrete implementation of the invention, firstly, the cutter handles with the length, the diameter and the number of the connecting sliding grooves meeting the use requirement are selected according to the use requirement, then the guiding sliding rail is connected with the cutter handles through the turntable mechanism according to the use requirement, each grinding bar is connected with the guiding sliding rail after the guiding sliding rail is connected, and finally, the cutter handles after the grinding bar connection and positioning are connected with the grinding machine equipment, so that the installation and positioning of the invention can be completed.
When grinding operation is carried out, the grinder equipment drives the cutter handle to drive the grinding bars to rotate at a high speed, the grinding bars rotating at the high speed carry out the dulling operation on the cam shaft, and on the other hand, the grinder equipment adjusts the feeding amount of the working position of the cutter handle, so that the side edges of different positions of the cam shaft and the grinding feeding amount are adjusted, the grinding flexibility is improved, and meanwhile, the grinding precision is improved.
In the grinding operation, according to the specific structure and the position of each edge and corner of the grinding camshaft, on one hand, the included angle between the grinding operation surface of the grinding bar of the turntable mechanism and the grinding operation surface of the camshaft is utilized, and on the other hand, the spacing and the positioning position between the whole grinding bar and the grinding operation surface of the camshaft are adjusted through the guide sliding rail during the grinding operation, so that the operation position of the grinding bar is flexibly adjusted to meet the requirements of the grinding and dulling operation of the edges and the corners of various structures of the camshaft.
Meanwhile, when the turntable mechanism, the guide sliding rail and the grinding bars are connected with the cutter handle, the axial distance between each grinding bar and the cutter handle can be flexibly adjusted according to operation requirements to form a plurality of working groups, and the requirement of grinding the complex structural surface is realized through different working groups on one hand, and the requirement of grinding a plurality of working surfaces simultaneously is displayed on the other hand.
In addition, in the grinding operation, the grinding bars can be flexibly replaced and adjusted according to the requirements of the grinding operation and the abrasion condition of the grinding bars, so that the flexibility of the use of the grinding bars and the fault repairing rate are greatly improved.
In the running process, a driving servo motor, an angle sensor, a traveling mechanism of the guide slide rail and a displacement sensor of the turntable mechanism can be respectively and electrically connected with a control circuit of the grinding machine equipment, so that the automation degree and the adjustment precision of grinding head adjustment in grinding operation are improved.
The grinding head structure is simple in structure, flexible and convenient to use and good in universality, on one hand, the structure of the grinding head can be flexibly adjusted according to the use requirement, the requirement of grinding and dulling operation on the working surfaces of different operation structures is met, on the other hand, in the use process, the parts of the grinding head can be flexibly adjusted and replaced according to the use and maintenance operation requirements, the use flexibility of the grinding head is improved, meanwhile, the fault repair rate of the grinding head is effectively improved, the use stability of grinding head equipment is greatly improved, the service life of the grinding head is effectively prolonged, and the purpose of reducing the use cost of the grinding head is achieved.
It will be appreciated by those skilled in the art that the invention is not limited to the embodiments described above. The foregoing embodiments and description have been presented only to illustrate the principles of the invention. The present invention is capable of various changes and modifications without departing from its spirit and scope. Such variations and modifications are intended to fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a camshaft sharp edge is dulled with combination formula bistrique which characterized in that: the combined grinding head for the blunting of the sharp edge of the cam shaft comprises a tool handle, a turntable mechanism, guide sliding rails and grinding bars, wherein the tool handle is of a columnar rod body structure, at least two clamping bars are uniformly distributed on the outer side surface of the rear half part, at least three connecting sliding grooves are uniformly distributed on the outer side surface of the front half part, the clamping bars and the connecting sliding grooves are uniformly distributed around the axis of the tool handle and are parallel to the axis of the tool handle, a plurality of turntable mechanisms are arranged, the rear end surface of each turntable mechanism is connected with the tool handle through the connecting sliding grooves, each connecting sliding groove is connected with at least one turntable mechanism, the front end surface of each turntable mechanism is provided with at least one guide sliding rail, the guide sliding rails are parallel to the front end surface of each turntable mechanism and are not less than 3mm apart from the outer surface of the tool handle, the axis of each guide sliding rail forms an included angle of 0-180 DEG with the axis of the tool handle, a plurality of grinding bars are arranged, the grinding bars are respectively and uniformly distributed on each guide slide rail along the axial direction of the guide slide rail, the axes of the grinding bars are parallel to the axes of the guide slide rails, at least one grinding bar is arranged on each guide slide rail, the guide slide rails and the rear end surfaces of the grinding bars are connected with each other in a sliding way through a travelling mechanism, at least one displacement sensor is additionally arranged on the travelling mechanism, the grinding bars are positioned between every two adjacent grinding bars at a distance of 0 to 1/3 of the circumference of the outer side surface of a virtual cylinder structure taking the front end surface of the grinding bar to the axis of a knife handle as the radius, the side surfaces of the two adjacent grinding bars are connected with each other through an elastic connecting belt, each at least two grinding bars uniformly distributed around the axis of the knife handle form a working group, the outer surfaces of the grinding bars in the same working group are distributed on the outer side surface of the same virtual cylinder structure taking the front end surface of the grinding bar to the axis of the knife handle as the radius, the height difference between the outer surface of the grinding strip in each working group and the axis of the cutter handle is 0 to 1.1 to 5 times of the maximum diameter of the cutter handle.
2. The combined grinding head for blunting of sharp edges of a cam shaft according to claim 1, wherein: the transverse end face of the cutter handle is any one of square, round and regular polygon, and comprises at least two sections of rod bodies which are connected through threads and are coaxially distributed, and the distance between the clamping strip on the outer surface of the cutter handle and the connecting sliding groove is not smaller than 1/5 of the effective length of the cutter handle.
3. The combined grinding head for blunting of sharp edges of a cam shaft according to claim 1, wherein: the outer surface of the cutter handle is provided with a plurality of chip grooves, the chip grooves are uniformly distributed at positions between two adjacent connecting sliding grooves around the axis of the cutter handle, and the depth of each chip groove is not more than 1/2 of the radius of the cutter handle.
4. A combined grinding head for blunting of sharp edges of a cam shaft according to claim 3, wherein: the chip grooves are distributed in parallel with the axis of the cutter handle or are distributed in a spiral structure around the axis of the cutter handle.
5. The combined grinding head for blunting of sharp edges of a cam shaft according to claim 1, wherein: the turntable mechanism is any one of a three-dimensional turntable and a two-dimensional turntable, and is additionally provided with at least one driving servo motor and at least one angle sensor.
6. The combined grinding head for blunting of sharp edges of a cam shaft according to claim 1, wherein: the front end face of the grinding strip is any one of a plane, an arc surface, a curved surface, a wedge surface and a corrugated surface structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811370049.0A CN109227368B (en) | 2018-11-17 | 2018-11-17 | Combined grinding head for blunting sharp edge of cam shaft |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811370049.0A CN109227368B (en) | 2018-11-17 | 2018-11-17 | Combined grinding head for blunting sharp edge of cam shaft |
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| CN109227368A CN109227368A (en) | 2019-01-18 |
| CN109227368B true CN109227368B (en) | 2024-06-14 |
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| CN201811370049.0A Active CN109227368B (en) | 2018-11-17 | 2018-11-17 | Combined grinding head for blunting sharp edge of cam shaft |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109940507A (en) * | 2019-02-11 | 2019-06-28 | 焦作天宝桓祥机械科技有限公司 | A kind of composite diamond disc type bistrique |
| CN112059793A (en) * | 2020-09-16 | 2020-12-11 | 余清河 | Burnishing machine is used in casting of bucket tooth |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209125589U (en) * | 2018-11-17 | 2019-07-19 | 焦作大学 | A kind of camshaft sharp edge, which falls, blunt uses combined type bistrique |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5918821A (en) * | 1996-07-19 | 1999-07-06 | G&G Technologies, Inc. | Modular bone grinder and snap-in grinder head |
| JP2000210848A (en) * | 1999-01-25 | 2000-08-02 | Toshiba Ceramics Co Ltd | Tube internal grinding device |
| JP4693480B2 (en) * | 2005-04-28 | 2011-06-01 | 株式会社アルプスツール | Tool holder |
| CN203197724U (en) * | 2013-05-06 | 2013-09-18 | 黄春生 | Automatic grinding stone device for grinding arc faces |
| CN104608039B (en) * | 2015-02-09 | 2016-10-19 | 厦门立德欣自动化机械制造有限公司 | Digital control type Universal burnishing machine group |
| CN206997870U (en) * | 2017-01-23 | 2018-02-13 | 德阳天和机械制造有限责任公司 | Combination type milling cutter structure is used in a kind of small labyrinth face machining |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209125589U (en) * | 2018-11-17 | 2019-07-19 | 焦作大学 | A kind of camshaft sharp edge, which falls, blunt uses combined type bistrique |
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