CN2714238Y - Precise processing device for axis symmetrical surface of revolution - Google Patents
Precise processing device for axis symmetrical surface of revolution Download PDFInfo
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- CN2714238Y CN2714238Y CN 200320119473 CN200320119473U CN2714238Y CN 2714238 Y CN2714238 Y CN 2714238Y CN 200320119473 CN200320119473 CN 200320119473 CN 200320119473 U CN200320119473 U CN 200320119473U CN 2714238 Y CN2714238 Y CN 2714238Y
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Abstract
The utility model relates to a precise processing device used for the axial symmetry curved surface of revolution. A workpiece (1) with an axial symmetry curved surface of revolution is clamped on a revolving drive spindle (3) which does swivel feeding movement. An arc wheel (2) is arranged at the axis end of the grinding wheel revolving drive spindle (4) which rotates at speed and the shape of the grinding section of the arc wheel is in a circular arc shape. The grinding wheel revolving drive spindle (4) is arranged on a second axis shift workbench composed of an axial direction workbench (9) and a B axial direction workbench (10) through a grinding wheel rotary main axis mounting base (18). The second axis shift workbench is arranged on a grinder bed piece (21). The An axial direction workbench (9) and the B axial direction workbench (10) drive the second axis shift workbench to move through an axial direction servo motor (7) and a B axial direction servo motor (8) controlled by a second axis ganged digital controller (11). The structure of the processing unit of the utility model is simple and the processing programming is convenient. With the precise grinding axial symmetry curved surface of revolution of the utility model, the hand lapping buffing of the curved surface can be cancelled or the processing amount of the hand lapping buffing can be decreased. The form accuracy of the forming curved surface can be enhanced simultaneously and the roughness of surface is decreased. The work efficiency is greatly enhanced.
Description
1, technical field:
The utility model is a kind of device of Precision Machining axial symmetry surface of revolution, be used for sidewall plate of loose mould of radial ply tire axial symmetry moulding curved surface and have the processing of concavo-convex surface of revolution of axial symmetry and composite surface thereof, belong to the innovative technology of axial symmetry surface of revolution Precision Machining device.
2, background technology:
Development along with Chinese national economy and communication, the increase of highway mileage open to traffic, the social recoverable amount of automobile increases sharply, in the total amount of various forms of transport, the highway in China passenger traffic volume surpasses 90%, truck freight volume surpasses 75%, and the development of road haulage has proposed more and more higher requirement to automobile and tyre performance thereof.Tire is the important composition parts of automobile, need have the instructions for use that performances such as load-bearing capacity, adhesive ability, buffer capacity and wearability satisfy automobile, and the rotating accuracy of tire directly influences riding comfort, yarage and the security of vehicle.The meridian linearize of cotton tyre cord is to reduce the important channel that the interior friction in the tire use improves tyre performance, the meridian linearize rate of American-European developed country doughnut surpasses 90%, China only reaches 50% at present, and the linearize of doughnut meridian is a development trend.The mass production of tire is fetus baking moulding in tire-mold, thereby the accuracy of manufacture of tire-mold has decisive influence to the performance of tire product.
The mould of making the radial use is the meridian activating mold, its structure as shown in Figure 1, mainly by last steel ring 22, sidewall plate 1,8-10 active pattern block 23, pattern block slide block 24, mould lasso 25, subtract template 26, lower steel ring 27 etc. and partly form, meridian activating mold main part makes active pattern block radially assembly or separated demolding when the mould lasso moves axially, wherein active pattern block, curved surface forming sidewall plate are the main component parts of radial ply tyre moulds, and its precision has decisive influence to the tire product performance.Annular shape and surface area that sidewall plate of loose mould of radial ply tire moulding curved surface has axially symmetric structure are big, and the form accuracy of sidewall plate moulding curved surface and surface roughness directly have influence on the quality of meridian activating mold itself and the rotating accuracy (offset) and the presentation quality of the tire product of processing.
The processing technology of sidewall plate of loose mould of radial ply tire curved surface is for grinding and polishing is to reach smooth degree by hand again with after the lathe turning processing curved surface at present, and the problem of its existence is as follows:
1) form accuracy of lathe turning processing sidewall plate shaping curved surface is lower, destroyed the curved surface numerical control turning again to a certain extent when reducing machined surface roughness and processed original form accuracy, finally influenced the deflection and the offset of radial goods by hand lapping polishing processing curve;
2) the finished surface precision of sidewall plate moulding curved surface does not satisfy high requirement, underhand polish polishing processing large tracts of land curved surface like this, and working (machining) efficiency is low, the quality instability, curved surface can only reach smooth degree, influences the finish and the offset of radial goods.
3, summary of the invention:
The purpose of this utility model is to overcome above-mentioned shortcoming and provides a kind of simple in structure, makes things convenient for the Precision Machining device of the axial symmetry surface of revolution of machining prgraming.The utility model both can significantly reduce the surface roughness of workpiece processed curved surface, can improve the form accuracy of workpiece processed curved surface again, and can cut down finished cost.
The concavo-convex surfaces of revolution of axial symmetry such as radial ply tyre moulds sidewall plate moulding curved surface can carry out accurate grinding with the utility model after turning shapes, save the hand lapping polishing of curved surface or reduce hand lapping polishing processing capacity, can significantly improve moulding curve form precision and reduce its surface roughness simultaneously, reach the purpose that improves surface machining accuracy, and improve working (machining) efficiency greatly.
Structural representation of the present utility model as shown in drawings, include arc wheel (2), workpiece revolution drive shaft (3), emery wheel revolution drive shaft (4), the axial servomotor of A (7), the axial servomotor of B (8), the axial workbench of A (9), the axial workbench of B (10), 2-axis linkage numerical control device (11), emery wheel rotary main shaft mounting base (18), grinder bed (21), workpiece (1) clamping with surface of revolution is on the revolution drive shaft (3) of doing the swivel feeding motion, arc wheel (2) is installed on the axle head of the emery wheel revolution drive shaft (4) of doing rotation at a high speed, emery wheel revolution drive shaft (4) is installed on two travelling tables that include axial workbench of A (9) and the axial workbench of B (10) by emery wheel rotary main shaft mounting base (18), two travelling tables are installed on the grinder bed (21), and axial workbench of A (9) and A axial servomotor (7) and B axial servomotor (8) driving of the axial workbench of B (10) by being controlled by 2-axis linkage numerical control device (11).
Above-mentioned A axially and B one of axial parallel with the axis of rotation of axial symmetry surface of revolution workpiece (1), another is axial vertical with the axis direction of axial symmetry surface of revolution workpiece (1).
The side of above-mentioned arc wheel (2) also is provided with wheel dresser, it includes truer (5), truer rotary electric machine (6), truer rotary disk (13), truer rotary disk driving mechanism (14), truer mount pad (15), truer position adjusting mechanism (16), truer pedestal (17), truer (5) is installed on the truer position adjusting mechanism (16) that can move as straight line, truer position adjusting mechanism (16) is fixed on the truer rotary disk (13), truer rotary disk (13) places on the truer pedestal (17) that is fixed on grinder bed (21), and truer rotary electric machine (6) drives truer rotary disk (13) motion by truer rolling disc driving mechanism (14).
Above-mentioned truer rotary disk (13) can be around the forward and reverse 180 ° rotation of fixed axis under the effect of truer rotary electric machine (6) and truer rolling disc driving mechanism (14) thereof.
Process with processing unit (plant) of the present utility model, above-mentioned arc wheel (2) grinding points in the process of grinding curved surface moves on abrasive wheel grinding wheel arc surface of revolution profile in turn.
Above-mentioned arc wheel (2) its direction of primary motion in the curve surface grinding process is parallel with the swivel feeding direction of the workpiece with surface of revolution (1).
Above-mentioned arc wheel (2) and the 2-axis linkage numerical control device (11) that moves through that has between the workpiece (1) of surface of revolution are realized curve interpolating.
The utility model compared with prior art has following advantage:
1) the utlity model has the disk wheel of arc rotary surface shape in the process of grinding curved surface, because its grinding points moves on abrasive wheel grinding wheel arc surface of revolution profile in turn, can effectively utilize the width of emery wheel so adopt the radius parameter of suitable grinding wheel width parameter and section circular arc, the concentrated wear of emery wheel be can reduce, grinding wheel shape retentivity and institute's machining curve surface of workpiece form accuracy significantly improved.
2) the utility model is in the curve surface grinding process, because its emery wheel direction of primary motion is parallel with workpiece swivel feeding direction, so have the good emery wheel abrasive grain cutting sword and the interference contact condition of curve surface of workpiece, thereby significantly reduce the machined surface roughness of curve surface of workpiece.
3) the utility model adopts the disk wheel grinding curved surface with arc rotary surface shape to make the number of axle of control wheel grinding locus of points numerical control moving interpolation be reduced to two, has simplified the structure of processing unit (plant), makes things convenient for machining prgraming, reduces cost.
4) processing unit (plant) of the present utility model can be used for sidewall plate of loose mould of radial ply tire axial symmetry moulding curved surface and have the processing of concavo-convex surface of revolution of axial symmetry and composite surface thereof, radial ply tyre moulds sidewall plate moulding curved surface and have the concavo-convex surface of revolution of axial symmetry and composite surface can carry out accurate grinding after turning shapes, save the hand lapping polishing of curved surface or reduce hand lapping polishing processing capacity, can significantly improve moulding curve form precision and reduce its surface roughness simultaneously, reach the purpose that improves surface machining accuracy, and can improve working (machining) efficiency.
The utility model is that a kind of design is ingenious, simple in structure, easy to use, the Precision Machining device of the surface of revolution that machining accuracy and working (machining) efficiency are all higher.
4, description of drawings:
Describe concrete structure of the present utility model in detail below in conjunction with accompanying drawing:
Fig. 1 is the structural representation of loose mould of radial ply tire;
Fig. 2 is the structural representation that the utility model embodiment 1 is used for the grinding attachment of sidewall plate moulding curved surface;
Fig. 3 is the schematic diagram that grinding points moves at curve surface of workpiece and arc wheel contour surface in the utility model grinding curved surface process;
Fig. 4 is the structural representation that wheel dresser of the present utility model is installed in grinder bed;
Fig. 5 is the vertical view of Fig. 4;
Fig. 6 is the schematic diagram of the extreme position of wheel dresser of the present utility model when finishing arc wheel contour surface;
Fig. 7 is wheel dresser of the present utility model another extreme position schematic diagram when finishing arc wheel contour surface;
Fig. 8 is the structural representation that the utility model embodiment 2 grindings have the axial symmetry convex surface;
Fig. 9 is the structural representation that the utility model embodiment 3 grindings have convex-concave built-up shaft symmetroid.
5, the specific embodiment:
Embodiment 1:
The workpiece 1 that the utility model is used to have surface of revolution is the processing of sidewall plate of loose mould of radial ply tire axial symmetry moulding curved surface, its processing unit (plant) such as Fig. 2, shown in 3, it includes arc wheel 2, workpiece revolution drive shaft 3, emery wheel revolution drive shaft 4, the axial servomotor 7 of A, the axial servomotor 8 of B, the axial workbench 9 of A, the axial workbench 10 of B, 2-axis linkage numerical control device 11, emery wheel rotary main shaft mounting base 18, grinder bed 21, workpiece 1 clamping with surface of revolution is on the revolution drive shaft 3 of doing the swivel feeding motion, arc wheel 2 is installed on the axle head of the emery wheel revolution drive shaft 4 of doing rotation at a high speed, emery wheel revolution drive shaft 4 is installed on two travelling tables that include axial workbench 9 of A and the axial workbench 10 of B by emery wheel rotary main shaft mounting base 18, this workbench is installed on the grinder bed 21, and axial workbench 9 of A and A axial servomotor 7 and B axial servomotor 8 drivings of the axial workbench 10 of B by being controlled by 2-axis linkage numerical control device 11.When carrying out grinding with processing unit (plant) of the present utility model, above-mentioned arc wheel 2 grinding points in the process of grinding curved surface moves on the abrasive wheel grinding wheel arc facial contour in turn, and arc wheel 2 its direction of primary motion in the curve surface grinding process is parallel with the swivel feeding direction of the workpiece 1 with surface of revolution, arc wheel 2 and the 2-axis linkage numerical control device 11 that moves through that has between the workpiece 1 of surface of revolution are realized curve interpolatings, arc wheel 2 forms surface of revolution along the curvilinear motion track of the radial direction of the workpiece with surface of revolution 1 that rotates, and the section circular shape of arc wheel 2 is replicated on the curved surface of the workpiece 1 with surface of revolution.
Above-mentioned A axially and B one of axial parallel with the axis of rotation of axial symmetry surface of revolution workpiece 1, another is axial vertical with the axis direction of axial symmetry surface of revolution workpiece 1.In the present embodiment, A axially is an X axis, and B axially is that Z is axial.
In order to improve the useful effect of wheel face abrasive particle, arc wheel 2 section arc radius Rn are more than or equal to half of its width B.
For reducing the temperature of wheel grinding process, the side of above-mentioned arc wheel 2 also is provided with cooling fluid and feed system 12 thereof.
For the form accuracy and the abrasive grain cutting knife edge that keep emery wheel sharp, the side of above-mentioned arc wheel 2 also is provided with wheel dresser, it includes truer 5, truer rotary electric machine 6, truer rotary disk 13, truer rotary disk driving mechanism 14, truer mount pad 15, truer position adjusting mechanism 16, truer pedestal 17, truer 5 is installed on the truer position adjusting mechanism 16 that can move as straight line, truer position adjusting mechanism 16 is fixed on the truer rotary disk 13, truer rotary disk 13 places on the truer pedestal 17 that is fixed on grinder bed 21, and truer rotary electric machine 6 drives 13 motions of truer rotary disk by truer rolling disc driving mechanism 14, thereby make truer 5 make arc swing along fixing point, and truer 5 is moved along the fixing point radial direction, the radius of its swing is adjustable, the home position of swing is variable, as Fig. 4, Fig. 5, Fig. 6, shown in Figure 7.
For realizing the finishing of arc wheel 2 arc surfaces easily, above-mentioned truer rotary disk 13 can be around the forward and reverse 180 ° rotation of fixed axis under the effect of truer rotary electric machine 6 and truer rolling disc driving mechanism 14 thereof.
Above-mentioned material with workpiece 1 of surface of revolution can be a metal, also can be that engineering ceramics etc. is nonmetal; The abrasive material of arc wheel 2 can be common aluminium oxide, silicon carbide abrasive, also can be superhard material cubic boron nitride abrasive materials or diamond abrasive, and its axial cross section wheel grinding partly has circular shape; Truer 5 can be that single-point diamond finishing pen also can be rotation diamond dressing wheel or other dressing tools.
When the utility model uses, workpiece 1 (sidewall plate of loose mould of radial ply tire) with surface of revolution is done the swivel feeding motion under the drive of revolution drive shaft 3, arc wheel 2 is done rotation at a high speed under the drive of emery wheel revolution drive shaft 4,2-axis linkage digital control system 11 control X are to servomotor 7 and the Z motion to servomotor 8, make and form the curve interpolating movement relation between arc wheel 2 and the sidewall plate of loose mould of radial ply tire 1, and the arc surface of arc wheel 2 remains and 1 machine-shaping curved surface of sidewall plate of loose mould of radial ply tire tangent relation, the end shape of arc wheel 2 residues on the sidewall plate of loose mould of radial ply tire 1 moulding curved surface, the final accurate grinding processing that realizes the moulding curved surface, because the arc surface radius of curvature of arc wheel 2 is less than the radius of curvature of sidewall plate of loose mould of radial ply tire 1 moulding curved surface, the grinding points on arc wheel 2 surfaces moves on arc surface, the grinding points a on arc wheel 2 surfaces, b, c is the a1 of corresponding sidewall plate 1 moulding curved surface respectively, b1, the c1 point, can make full use of the abrasive particle of arc wheel 2 width diverse locations like this, reduce the concentrated wear of emery wheel, the end shape precision that keeps arc wheel 2, reach the purpose that improves institute's machine-shaping curve form precision, owing to arc wheel 2 section arc radius Rn half more than or equal to its width B, so can improve the effective range of wheel face abrasive particle, the radius of arc wheel 2 should be big as far as possible, to avoid the geometrical interference of emery wheel revolution drive shaft 4 and sidewall plate of loose mould of radial ply tire 1.
Crushing process and wheel grinding process hocket, and be sharp with the form accuracy and the abrasive grain cutting knife edge that keep emery wheel.Position between arc wheel 2 and the truer rotary disk 13, be that section circular arc home position is determined by the X-Z workbench, truer finishing seat 15 moves the section arc radius Rn that determines arc wheel 2 on truer position adjusting mechanism 16, thereby obtains needed arc wheel 2.
Embodiment 2:
The utility model is used for the workpiece 19 with axial symmetry convex curve surface shape is processed, its structure as shown in Figure 8, its grinding process is identical with embodiment 1 with the crushing process, only need nc program is carried out appropriate change, just can realize the workpiece with axial symmetry convex surface is carried out grinding.
Embodiment 3:
The utility model is used for the workpiece 20 with axial symmetry concave and convex surface combined shaped is processed, its structure as shown in Figure 9, when workpiece 20 has the axial symmetry concave and convex surface, or the concave curved surface degree of depth is when big, or when adopting than minor diameter arc wheel 2, can produce the interference that bumps of emery wheel revolution drive shaft 4 and workpiece 20 with the mounting structure of embodiment 1 or embodiment 2, for this reason, need axis inclination certain angle with arc wheel 2 and emery wheel revolution drive shaft 4, the same angle of truer rotary disk 13 equidirectional inclinations simultaneously, just can realize the workpiece with axial symmetry convex-concave composite surface or big degree of depth axial symmetry concave curved surface is carried out grinding, its grinding process is all identical with embodiment 1 with the crushing process.
Claims (6)
1, a kind of Precision Machining device of axial symmetry surface of revolution, it is characterized in that including the arc wheel that the milled portion section configuration is a circular arc (2), workpiece revolution drive shaft (3), emery wheel revolution drive shaft (4), the axial servomotor of A (7), the axial servomotor of B (8), the axial workbench of A (9), the axial workbench of B (10), 2-axis linkage numerical control device (11), emery wheel rotary main shaft mounting base (18), grinder bed (21), workpiece (1) clamping with axial symmetry surface of revolution is on the revolution drive shaft (3) of doing the swivel feeding motion, arc wheel (2) is installed on the axle head of the emery wheel revolution drive shaft (4) of doing rotation at a high speed, emery wheel revolution drive shaft (4) is installed on two travelling tables that include axial workbench of A (9) and the axial workbench of B (10) by emery wheel rotary main shaft mounting base (18), two travelling tables are installed on the grinder bed (21), and the axial workbench of A (9) and the axial workbench of B (10) drive its motion by axial servomotor of A (7) and the axial servomotor of B (8) by 2-axis linkage numerical control device (11) control.
2, the Precision Machining device of axial symmetry surface of revolution according to claim 1, it is characterized in that above-mentioned A axially and B one of axial parallel with the axis of rotation of axial symmetry surface of revolution workpiece (1), another is axial vertical with the axis direction of axial symmetry surface of revolution workpiece (1).
3, the Precision Machining device of axial symmetry surface of revolution according to claim 1, the radius R n of milled portion section circular arc that it is characterized in that above-mentioned arc wheel 2 is more than or equal to half of grinding wheel width B.
4, the Precision Machining device of axial symmetry surface of revolution according to claim 1, it is characterized in that above-mentioned workpiece (1) with surface of revolution can be the workpiece with axial symmetry convex surface, also can be workpiece, or have the workpiece of axial symmetry concave and convex surface combination with axial symmetry concave curved surface.
5, the Precision Machining device of axial symmetry surface of revolution according to claim 1, the side that it is characterized in that above-mentioned arc wheel (2) also is provided with wheel dresser, it includes truer (5), truer rotary electric machine (6), truer rotary disk (13), truer rotary disk driving mechanism (14), truer mount pad (15), truer position adjusting mechanism (16), truer pedestal (17), truer (5) is installed on the truer position adjusting mechanism (16) that can move as straight line, truer position adjusting mechanism (16) is fixed on the truer rotary disk (13), truer rotary disk (13) places on the truer pedestal (17) that is fixed on grinder bed (21), and truer rotary electric machine (6) drives truer rotary disk (13) swing by truer rolling disc driving mechanism (14).
6, according to the Precision Machining device of each described axial symmetry surface of revolution of claim 1 to 5, it is characterized in that above-mentioned arc wheel (2) forms surface of revolution along the curvilinear motion track of the radial direction of the workpiece with surface of revolution (1) that rotates, the section circular shape of arc wheel (2) is replicated on the curved surface of the workpiece (1) with surface of revolution.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 200320119473 CN2714238Y (en) | 2003-12-19 | 2003-12-19 | Precise processing device for axis symmetrical surface of revolution |
Applications Claiming Priority (1)
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CN 200320119473 CN2714238Y (en) | 2003-12-19 | 2003-12-19 | Precise processing device for axis symmetrical surface of revolution |
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CN2714238Y true CN2714238Y (en) | 2005-08-03 |
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CN 200320119473 Expired - Lifetime CN2714238Y (en) | 2003-12-19 | 2003-12-19 | Precise processing device for axis symmetrical surface of revolution |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1319699C (en) * | 2003-12-19 | 2007-06-06 | 广东工业大学 | Precision machining apparatus and method for axial symmetry rotary curve |
CN106625180A (en) * | 2016-12-24 | 2017-05-10 | 长沙机超人自动化科技有限公司 | Full-automatic precise polishing machine |
-
2003
- 2003-12-19 CN CN 200320119473 patent/CN2714238Y/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1319699C (en) * | 2003-12-19 | 2007-06-06 | 广东工业大学 | Precision machining apparatus and method for axial symmetry rotary curve |
CN106625180A (en) * | 2016-12-24 | 2017-05-10 | 长沙机超人自动化科技有限公司 | Full-automatic precise polishing machine |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
AV01 | Patent right actively abandoned |
Effective date of abandoning: 20031219 |
|
C25 | Abandonment of patent right or utility model to avoid double patenting |