CN204160277U - A kind of axle class grinds little pore device - Google Patents

A kind of axle class grinds little pore device Download PDF

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Publication number
CN204160277U
CN204160277U CN201420532090.4U CN201420532090U CN204160277U CN 204160277 U CN204160277 U CN 204160277U CN 201420532090 U CN201420532090 U CN 201420532090U CN 204160277 U CN204160277 U CN 204160277U
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examination
examination mill
cutting fixture
mill
cutter
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CN201420532090.4U
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Inventor
赵金龙
寇超航
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Xian Fast Auto Drive Co Ltd
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Xian Fast Auto Drive Co Ltd
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Abstract

The utility model discloses a kind of axle class and grind little pore device, object is: effectively can protect cutter, increase substantially cutter life, improve regulated efficiency, thus improve the quality of products and production efficiency, the technical scheme adopted is: comprise cutting fixture, cutting fixture is two stage steps shape tube-in-tube structure, cutting fixture internal fixtion is provided with examination mill part, examination mill part is consistent with axial workpiece physical dimension to be processed, examination mill part profile is three grades of step-like structures, the large end of examination mill part offers the hole be convenient to cutter and stretched into vertically, inside, hole is provided with the little pore needing grinding, the cutter head adding cutter in man-hour can stretch into the little pore of examination mill part inside, the interior wall construction of cutting fixture grinds part profile with examination and matches, the sidewall of examination mill part offers breach vertically, cutting fixture sidewall offers the observation window corresponding with the breach trying to grind part, breach and observation window are convenient to the grinding position of observing examination mill part internal structure and cutter.

Description

A kind of axle class grinds little pore device
Technical field
The utility model relates to machined field, is specifically related to a kind of axle class and grinds little pore device.
Background technology
Some 12 grades, 16 grades serial axle construction, in the endoporus of the large end of spindle nose, have one section of aperture, basic size is between Φ 10mm-Φ 16mm, and tolerance is+0.018/0.Because heat treatment deformation and tolerance is very little, then need to add grinding out operation after heat treatment.
The product quality that tradition grinding out processes and instability, there will be taper hole, roughness is poor, and easily hits cutter, damage knife bar, emery wheel, workpiece of wounding.After causing heat, the little pore of mill becomes processing difficulties, and this operation becomes processing bottleneck.
Utility model content
In order to solve the problems of the prior art, the utility model proposes one and effectively can protect cutter, increasing substantially cutter life, improve regulated efficiency, thus to improve the quality of products and a kind of axle class of production efficiency grinds little pore device.
In order to realize above utility model object, the technical scheme that the utility model adopts is: a kind of axle class grinds little pore device, comprise the cutting fixture be installed on machine tool chief axis ring flange, cutting fixture is two stage steps shape tube-in-tube structure, cutting fixture internal fixtion is provided with examination mill part, examination mill part is consistent with axial workpiece physical dimension to be processed, examination mill part profile is three grades of step-like structures, the large end of examination mill part offers the hole be convenient to cutter and stretched into vertically, inside, hole is provided with the little pore needing grinding, the cutter head adding cutter in man-hour can stretch into the little pore of examination mill part inside, the small end of described examination mill part loads from the small end of cutting fixture, the small end face of first order step surface near cutting fixture of part is ground in examination, the small end of examination mill part is strained by lathe, the interior wall construction of cutting fixture grinds part profile with examination and matches,
The sidewall of described examination mill part offers breach vertically, cutting fixture sidewall offers the observation window corresponding with the breach trying to grind part, breach and observation window are convenient to the grinding position of observing examination mill part internal structure and cutter.
Described cutting fixture is being provided with elastic locating sleeve with the step junction, the second level of trying to grind part, elastic locating sleeve is made up of elastomeric material, described elastic locating sleeve is circular, can be sleeved in the second level step cambered surface of examination mill part, and the first order step surface of the examination mill part that reclines.
The outer wall of described elastic locating sleeve is set to the conical surface, the partial response of the inwall of cutting fixture and the wall contacts of elastic locating sleeve be set to the conical surface, ensure that elastic locating sleeve and cutting fixture closely cooperate.
The sidewall of described elastic locating sleeve offers the through hole being convenient to elastic locating sleeve elastic deformation vertically.
Angle between gap portions two sagittal plane that described examination mill part is offered is 120 °, and the length of described breach is greater than the axial distance of large end face to little pore lowermost end of examination mill part.
Described cutter comprises knife bar and is arranged on the emery wheel on the head of knife bar, and the head of knife bar adopts staircase structural model.
Described emery wheel is bonding emery wheel.
Compared with prior art, the examination consistent with axial workpiece physical dimension to be processed is adopted to grind part in device of the present utility model, examination mill part is provided with breach along axis cutting, cutting fixture sidewall opens observation window, adopt this cutting structure, both test specimen internal structure can be observed directly, the position of tool grinding can be observed again when feed, be convenient to carry out tool setting debugging to cutter, can effectively protect knife bar and emery wheel, increase substantially the knife bar life-span, improve regulated efficiency, follow-up part processing is convenient to after debugging is good, be not easy to hit cutter, avoid part of damage, improve production efficiency.Simultaneously cutting fixture adds cutting element, both can the examination mill part of visible interior, itself can play again the effect of loss of weight to cutting fixture.
Further, cutting fixture is by elastic locating sleeve fixing examination mill part, the small end of lathe tension examination mill part, cutting fixture elasticity of compression positioning sleeve, elastic locating sleeve endoporus reduces, clamping examination mill part, this ensure that examination mill part can be stable be fixed in cutting fixture, avoid the movement of process pilot scale mill part, ensure that the precision of adjustment.
Further, elastic locating sleeve is set to cutting holder contacts part the conical surface matched, during lathe tension examination mill part, due to the conical surface matched, and the cutting fixture conical surface elasticity of compression positioning sleeve conical surface, further elasticity of compression positioning sleeve, clamping examination mill part.
Further, the through hole that the sidewall of elastic locating sleeve is offered, making elastic locating sleeve when being compressed by cutting fixture, more easily elastic deformation occurring, and it is more firm to accommodate examination mill part.
Further, the gap portions of examination mill part has enough sizes, ensure that to have enough visible spaces, ensure that the accuracy that cutter is debugged.
Further, the utility model device is by improving knife bar design, unified standard, increase arbor stiffness, can product processing quality be improved, normative operation standardization, the structure that knife bar head adopts step to reduce gradually, can rigidity be ensured, can ensure again to be worked into little pore, adopt bonding emery wheel to meet the demand of machining small.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model device;
Fig. 2 is examination mill part and the cutter structure schematic diagram of the utility model device;
Fig. 3 is the manuscript of the examination mill part of the utility model device;
Fig. 4 is the assembly structure figure of the elastic locating sleeve of the utility model device;
Fig. 5 is the structure chart of the elastic locating sleeve of the utility model device;
Wherein, 1 for cutting fixture, 2 for examination mill part, 3 be cutter, 4 be elastic locating sleeve.
Detailed description of the invention
Below in conjunction with embodiment, the utility model is described further.
See Fig. 1, Fig. 2, a kind of axle class grinds little pore device, comprise the cutting fixture 1 be installed on machine tool chief axis ring flange, cutting fixture 1 is two stage steps shape tube-in-tube structure, cutting fixture 1 internal fixtion is provided with examination mill part 2, examination mill part 2 is consistent with axial workpiece physical dimension to be processed, examination mill part 2 profile is three grades of step-like structures, the large end of examination mill part 2 offers the hole be convenient to cutter 3 and stretched into vertically, inside, hole is provided with the little pore needing grinding, the cutter head adding cutter 3 in man-hour can stretch into the little pore of examination mill part 2 inside, the small end of described examination mill part 2 loads from the small end of cutting fixture 1, the small end face of first order step surface near cutting fixture 1 of part 2 is ground in examination, the small end of examination mill part 2 is strained by lathe, the interior wall construction of cutting fixture 1 grinds part 2 profile with examination and matches.
See Fig. 4 and Fig. 5, cutting fixture 1 is being provided with elastic locating sleeve 4 with the step junction, the second level of trying to grind part 2, elastic locating sleeve 4 is made up of elastomeric material, elastic locating sleeve 4 is in circular, the sidewall of elastic locating sleeve 4 offers the through hole being convenient to elastic locating sleeve 4 elastic deformation vertically, elastic locating sleeve 4 can be sleeved in the second level step cambered surface of examination mill part 2, and the first order step surface of the examination mill part 2 that reclines, the outer wall of elastic locating sleeve 4 is set to the conical surface, the partial response of the inwall of cutting fixture 1 and the wall contacts of elastic locating sleeve 4 be set to the conical surface, ensure that elastic locating sleeve 4 and cutting fixture 1 closely cooperate.
The sidewall of examination mill part 2 offers breach vertically, and the angle between gap portions two sagittal plane that examination mill part 2 is offered is 120 °, and the length of described breach is greater than the axial distance of large end face to little pore lowermost end of examination mill part 2.Cutting fixture 1 sidewall offers the observation window corresponding with the breach trying to grind part 2, and breach and observation window are convenient to the grinding position of observing examination mill part 2 internal structure and cutter 3.
Cutter 3 comprises knife bar and is arranged on the emery wheel on the head of knife bar, and the head of knife bar adopts staircase structural model, and emery wheel is bonding emery wheel.
Concrete operation method of the present utility model comprises the following steps: first make the examination consistent with axial workpiece physical dimension to be processed and grind part 2, by the position to be processed cutting vertically of examination mill part 2, can observe the internal structure of examination mill part 2; Then be installed on machine tool chief axis ring flange by cutting fixture 1, be fixedly mounted in cutting fixture 1 by examination mill part 2, examination mill part 2 small end is strained by lathe, and observation window is offered in relevant position to cutting fixture 1 sidewall; Next utilizes the to be processed position of cutter 3 to examination mill part 2 to carry out little pore grinding, and utilize the visuality of examination mill part 2 and cutting fixture 1, carry out tool setting debugging to cutter 3, establishment machined parameters, completes the debugging efforts to cutter 3; Finally unload examination mill part 2, the axial workpiece that will process is changed, and utilizes cutter 3 to carry out little pore grinding to it, namely completes axle class and grinds little pore process.
Examination mill part 2 is set with the elastic locating sleeve 4 of annular, elastic locating sleeve 4 is set to cutting fixture 1 contact portion the conical surface matched, during lathe tension examination mill part 2, due to the conical surface matched, cutting fixture 1 elasticity of compression positioning sleeve 4, elastic locating sleeve 4 endoporus reduces, clamping examination mill part 2, thus completes the fixing of examination mill part 2.
Need to carry out device working face to beat debugging, ensure that the knife bar external diameter of cutting fixture 1 head conical surface endoporus, elastic locating sleeve 4 end face and cutter 3 is beated and meet technological requirement.
The utility model, by increasing visual examination mill part 2, is designed to cut-away form, and examination mill part 2 has intuitive, can observe access site, the position that process is cut away 1/3.So both can observe directly test specimen internal structure, and in feed to the position observing tool grinding during inside parts, can effectively can protect knife bar and emery wheel, increase substantially the knife bar life-span again, high raising regulated efficiency.
By improving knife bar design, unified standard, increasing arbor stiffness, can product processing quality be improved, normative operation standardization.The structure that knife bar head adopts step to reduce gradually, can ensure rigidity, can ensure again the little pore be worked in part, adopt bonding emery wheel to meet the demand of machining small.
Because product and examination mill part are installed in chuck body, need also to add cutting element to the design of chuck body, both can " visual " inner cutting examination mill part, the effect of loss of weight can be played again to fixture itself.
See Fig. 3, before part heat, the locating surface of processing and hot aft-loaded airfoil is consistent, the first order step surface of examination mill part 2 is locating surface, the cambered surface of second level step is clamping and positioning face, as can be seen here, examination mill part 2 needs dimension D 1 in guarantee figure, D2, Φ 1 and Φ 2, and examination mill part 2 is consistent with the locating surface of workpiece, in Fig. 3, D1 is the distance of locating surface to workpiece end face, affects emery wheel withdrawing distance; D2 grinds little pore position dimension for waiting, affects emery wheel feed distance; Φ 1 grinds little pore size for waiting, Φ 2 steps up setting circle size for cutting fixture, adds clamping of workpieces for installing, and these 4 sizes are necessary sized of examination mill part 2, consistent with workpiece size.
During converted products, first cutting fixture 1 is installed, cutting fixture 1 working face is beated debugging in usable range again, then the examination mill part 2 of cutting is installed, the new knife bar installing bonding emery wheel is used to carry out tool setting debugging, machining programming, completes debugging efforts, and the method can be used for the finishing step of similar visuality difference.
Utilize cutting structure to observe directly position that emery wheel and workpiece wait to grind little pore, accomplishes visual debugging tool setting, then each position coordinates after tool setting is enrolled program, machining programming, complete debugging; During last converted products, take off examination mill part 2, be arranged in cutting fixture 1 by needing the part of processing, part is arranged in elastic locating sleeve 4, locating surface is close to the end face of elastic locating sleeve 4, the program woven before utilization carries out processing, and tool operating 3 pairs of parts grind the processing of little pore.

Claims (7)

1. an axle class grinds little pore device, it is characterized in that: comprise the cutting fixture (1) be installed on machine tool chief axis ring flange, cutting fixture (1) is two stage steps shape tube-in-tube structure, cutting fixture (1) internal fixtion is provided with examination mill part (2), examination mill part (2) is consistent with axial workpiece physical dimension to be processed, examination mill part (2) profile is three grades of step-like structures, the large end of examination mill part (2) offers the hole be convenient to cutter (3) and stretched into vertically, inside, hole is provided with the little pore needing grinding, the cutter head adding cutter in man-hour (3) can stretch into the inner little pore of examination mill part (2), the small end of described examination mill part (2) loads from the small end of cutting fixture (1), the small end face of first order step surface near cutting fixture (1) of part (2) is ground in examination, the small end of examination mill part (2) is strained by lathe, the interior wall construction of cutting fixture (1) grinds part (2) profile with examination and matches,
The sidewall of described examination mill part (2) offers breach vertically, cutting fixture (1) sidewall offers the observation window corresponding with the breach trying to grind part (2), breach and observation window are convenient to the grinding position of observing examination mill part (2) internal structure and cutter (3).
2. a kind of axle class according to claim 1 grinds little pore device, it is characterized in that: described cutting fixture (1) is being provided with elastic locating sleeve (4) with the step junction, the second level of trying to grind part (2), elastic locating sleeve (4) is made up of elastomeric material, described elastic locating sleeve (4) is in circular, can be sleeved in the second level step cambered surface of examination mill part (2), and the first order step surface of examination mill part (2) that reclines.
3. a kind of axle class according to claim 2 grinds little pore device, it is characterized in that: the outer wall of described elastic locating sleeve (4) is set to the conical surface, the partial response of the inwall of cutting fixture (1) and the wall contacts of elastic locating sleeve (4) be set to the conical surface, ensure that elastic locating sleeve (4) and cutting fixture (1) closely cooperate.
4. a kind of axle class according to claim 3 grinds little pore device, it is characterized in that: the sidewall of described elastic locating sleeve (4) offers the through hole being convenient to elastic locating sleeve (4) elastic deformation vertically.
5. a kind of axle class according to claim 1 grinds little pore device, it is characterized in that: the angle between gap portions two sagittal plane that described examination mill part (2) is offered is 120 °, the length of described breach is greater than the axial distance of large end face to little pore lowermost end of examination mill part (2).
6. a kind of axle class according to claim 1 grinds little pore device, it is characterized in that: described cutter (3) comprises knife bar and is arranged on the emery wheel on the head of knife bar, and the head of knife bar adopts staircase structural model.
7. a kind of axle class according to claim 6 grinds little pore device, it is characterized in that: described emery wheel is bonding emery wheel.
CN201420532090.4U 2014-09-16 2014-09-16 A kind of axle class grinds little pore device Active CN204160277U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420532090.4U CN204160277U (en) 2014-09-16 2014-09-16 A kind of axle class grinds little pore device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420532090.4U CN204160277U (en) 2014-09-16 2014-09-16 A kind of axle class grinds little pore device

Publications (1)

Publication Number Publication Date
CN204160277U true CN204160277U (en) 2015-02-18

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104275629A (en) * 2014-09-16 2015-01-14 西安法士特汽车传动有限公司 Technological method and device for grinding shaft small hole

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104275629A (en) * 2014-09-16 2015-01-14 西安法士特汽车传动有限公司 Technological method and device for grinding shaft small hole

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