CN202701948U - Concentric circle milling and grinding machine - Google Patents
Concentric circle milling and grinding machine Download PDFInfo
- Publication number
- CN202701948U CN202701948U CN 201220415249 CN201220415249U CN202701948U CN 202701948 U CN202701948 U CN 202701948U CN 201220415249 CN201220415249 CN 201220415249 CN 201220415249 U CN201220415249 U CN 201220415249U CN 202701948 U CN202701948 U CN 202701948U
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- heightening
- milling
- screw rod
- screw
- base plate
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Abstract
The utility model relates to a concentric circle milling and grinding machine which comprises a base, a worktable bottom plate moveably installed on the base, and a work turntable rotatably installed on the worktable bottom plate. A grinding wheel is located above the work turntable. The concentric circle milling and grinding machine further comprises a height adjusting assembly installed in an installation hole on the base. The height adjusting assembly comprises a hollow piece with an internal thread detachably and fixedly sleeved in the installation hole and a hollow height adjusting screw rotatably located in the hollow piece. The upper end of the height adjusting screw leans against the worktable bottom plate. The concentric circle milling and grinding machine further comprises a locking screw which passes through the height adjusting screw and locked on the worktable bottom plate at one end, wherein one end of the locking screw is sleeved with a locking nut to lock the height adjusting screw. The concentric circle milling and grinding machine is simple in structure, and the worktable bottom plate can be enable to incline accurately, so that the processing time of an optical workpiece is extremely shortened.
Description
Technical field
The utility model relates to the plane milling grinding machine, mainly refers to vertical plane milling grinding machine.
Background technology
The plane milling grinding machine generally includes rotatable Work turning table and is positioned at the emery wheel of Work turning table top.Batch workpiece one-tenth dish is placed on the Work turning table and is fixed, and is rotated under the drive of Work turning table, and emery wheel is rotated workpiece is carried out milling.Because the machine tool Work turning table is all to be horizontal positioned usually, emery wheel also is that level is fixedly mounted on the rotating shaft moving up and down, and emery wheel only can carry out the horizontal plane milling to workpiece.To the mirror finish of optical work the time, find after the workpiece milling, when the surface level of polishing wheel and optical work contacts when carrying out milling, because contact-making surface is the plane between emery wheel and the one-tenth dish workpiece, between contact-making surface, do not store the space of polishing fluid, and under the effect of centrifugal force, also can under centrifugal action, be thrown out of at the polishing fluid of workpiece centre, therefore, long especially by the polishing time that the plane milling is required, the workpiece polishing required time of a common dish Φ 340mm is between 4 ~ 6 hours.And centre-height only needs 1 hour than the one-tenth dish workpiece polishing of lower slightly 0.005mm all around.The problem that how to realize the concavo-convex fine setting of plane milling grinding machine plane face type is badly in need of solving.By the applicant research, emery wheel tilted or Work turning table is tilted to realize that the on-plane surface milling goes out to polish behind the concave surface can improve subsequent technique efficient again, save polishing time.Through applicant retrieval, a kind of tiltable Work turning table is disclosed in patent 94230315.6 as can be known, be placed on the surface of the work on the Work turning table of inclination by horizontally disposed emery wheel milling, realize carrying out the milling of concaveconvex structure at surface of the work.The Work turning table of this inclination is to realize by the oil cylinder that is hinged on pedestal and the Work turning table, raises Work turning table by the jacking of oil cylinder and makes its inclination certain angle.Although this is relatively simple for structure, the angle that its Work turning table tilts is accurately controlled and is difficult to realize, is difficult to control and realizes for the very high optical work of Surface Machining required precision.
Summary of the invention
Technical problem to be solved in the utility model provide a kind of Work turning table can on the plane milling grinding machine that has a down dip.This milling and grinding machine can to one-tenth coil optical workpiece surfaces as required milling go out required concave surface.
For solving the problems of the technologies described above, the technical scheme that the utility model provides is a kind of concentric circles milling and grinding machine, it comprises support, be movably arranged on the workbench base plate on the described support, rotatably be installed in the Work turning table on the described workbench base plate, the rotary electric machine that drives described Work turning table rotation is fixedly mounted on the described workbench base plate, and emery wheel is positioned at described Work turning table top; It is characterized in that offering at described support the installing hole of perforation; In described installing hole, be equipped with and heighten assembly; Described heighten assembly comprise can relative to described installing hole hole wall rotate with the externally threaded screw rod of heightening, described heighten screw rod upper end conflict described workbench base plate below, its lower end is positioned at the below of described support.
The described assembly of heightening also comprises a columniform hollow with internal thread, described hollow is set in the described installing hole, its end, upper end that is positioned at described installing hole top to around extension stretch out a restraining position ring block, its lower end that is positioned at described installing hole below is arranged with locking nut, by described locking nut and described restraining position ring block described hollow is locked in described installing hole, describedly heighten the external screw thread of screw rod and the internal thread of described hollow is complementary, the described screw rod of heightening is positioned at described hollow rotationally, its upper end conflict described workbench base plate below.Heighten screw rod by rotation, heighten screw rod and can rise or descend along hollow, thereby realize rising and the decline of workbench base plate.
The described assembly of heightening also comprises a tie down screw, the described screw rod of heightening has the up and down hollow bulb of two ends perforation, screw lock was in the screw that described workbench base plate is offered after described tie down screw one end passed the upper end of the described hollow bulb of heightening screw rod, its other end passes the lower end of described hollow bulb, and a screw locknut is set on the described tie down screw against the described screw rod of heightening of locking; There is the space between the periphery wall of described tie down screw and the described hollow bulb of heightening screw rod.Can better position heightening screw rod by tie down screw, made regulate after, it is constant that its position keeps.
Be arranged with a cushion block with cambered surface at the described described tie down screw of heightening between screw rod and the described workbench base plate, the described curved end that the upper surface is and described cushion block cambered surface is complementary of heightening screw rod, conflict at the cambered surface place of described cushion block in the described upper surface of heightening screw rod; Maintain the space between the inwall of described cushion block and the periphery wall of described tie down screw.Conflict when the cambered surface of the upper end cambered surface of heightening screw rod and cushion block, when screw rod jacking working platform base plate is heightened in rotation, heighten the upper end cambered surface of screw rod and the cambered surface of cushion block and carry out spherical rotation, guarantee the stationarity in workbench base plate jacking process.
Be provided with dial at the described assembly of heightening.Described dial is arranged on the described lower end perisporium of heightening screw rod.To heighten bolt rotary one circle by dial and be divided into 36 five equilibriums or less scale, the number of division that rotates will be scaled the vertical range of workbench base plate lifting, how much highly can easily know lifting by the scale that rotates.Because a circle can be made the adjusting height-precision can reach 0.001 grade by the very little scale of five equilibrium, has greatly improved degree of regulation.Certainly in order further to improve precision, also the scale of dial can be carried out many five equilibriums according to a circle and divide.
Position near a side side on described support and described workbench base plate is arranged at intervals with two groups of described assemblies of heightening, and is being provided with one group of described assembly of heightening near its corresponding opposite side lateral location place.By three assemblies of heightening that form triangular structures are set at support and workbench base plate, wherein first and second group is heightened assembly and is positioned at phase the same side, heightens assembly for the 3rd group and is positioned at corresponding opposite side, forms the triangle stable support.At first regulate three groups and heighten assembly to horizontal level, then heighten the angle of inclination that assembly is regulated Work turning table by regulating the 3rd group.
One lateral edges of described emery wheel be positioned at described Work turning table rotate the center of circle directly over.The edge of emery wheel and Work turning table are tangent by a diameter in the center of circle, and it can guarantee that emery wheel in the milling process, can cover the workpiece that is placed on arbitrary position on the Work turning table.
The utility model patent to heighten modular construction simple, heighten screw rod by adjusting, realize the jacking working platform base plate, make Work turning table inclination certain angle.Owing to heightening screw rod by rotation, and being provided with the adjusting scale thereon, can realize fine adjustment, be fit to the high-precision surface milling processing of optical work.By the assembly of heightening of the present utility model, milling goes out a circular arc concave surface in the margin of tolerance to optical work can to utilize the Work turning table of inclination, between emery wheel and optical work, be formed with a concave shaped space that can hold milling liquid this moment, therefore in the situation that to have sufficient milling liquid to carry out the milling effect very remarkable.Because the precision of heightening assembly adjusting height of the present utility model reaches 0.001 grade, is particularly suitable for the optical work very high to the milling required precision.The common plane milling of directly carrying out needs 4 ~ 6 hours, after utilizing the first milling of milling and grinding machine of the present utility model to go out a circular arc concave surface, again it is carried out further milling, its milling time can foreshorten to 1 hour, save 3 ~ 5 times process time, greatly improved milling efficient.
Description of drawings
Fig. 1, the structural representation of support of the present utility model, workbench base plate and emery wheel.
Fig. 2, the plan structure schematic diagram of emery wheel of the present utility model, Work turning table.
Fig. 3, the utility model heighten the structural representation of assembly.
Fig. 4, the utility model heighten the sectional structure schematic diagram of assembly.
The specific embodiment
For technique scheme, now lift a preferred embodiment and be specifically described in conjunction with graphic.The utility model milling and grinding machine comprises support 1, workbench base plate 2, and emery wheel 3 is heightened assembly 4, referring to Fig. 1, Fig. 2, wherein:
Emery wheel 3 is fixedly mounted on the grinding wheel spindle (not shown), and grinding wheel spindle rotatably is installed on the support 1, and drives by emery wheel drive motors (not shown).It is vertical plane milling grinding machine for milling and grinding machine of the present utility model, and the structure of emery wheel 3 wherein, grinding wheel spindle, emery wheel drive motors is existing structure, then repeats no more at this.Emery wheel 3 is positioned at the top of Work turning table 21, and the lateral edges that emery wheel 3 is satisfied in the position that its level is installed just in time is in the top in the rotation center of circle of Work turning table 21.Emery wheel 3 is so installed, and it can guarantee when the emery wheel milling is placed on workpiece on the Work turning table 21, can milling to the workpiece that is placed on arbitrary position on the Work turning table 21, the phenomenon that can not occur omitting.
Heighten assembly 4, referring to Fig. 3, Fig. 4, it comprises hollow 5, heightens screw rod 6, tie down screw 7, cushion block 8.Wherein: hollow 5, it has the cylindrical hollow that two ends connect, and offers internal thread at the inwall of cylindrical hollow; One end outer wall to around extend a spacing ring 51.The installing hole aperture of the external diameter of hollow 5 and support 1 is complementary.Hollow 5 is placed in the installing hole, and spacing ring 51 is positioned at the top of the installing hole of support 1, and locking nut 52 is set on the hollow 5 and is positioned at the below of support 1, by locking nut 52 and spacing ring 51 with in the installing hole of hollow 5 lockings on support 1.
Position at workbench base plate 2 corresponding support 1 installing holes offers screw (not shown), one passes the hollow bulb of heightening screw rod 6 with externally threaded tie down screw 7, its the upper end by the screw thread screw lock in the screw that workbench base plate 2 is offered, its lower end is positioned at the below of the lower end of heightening screw rod 6, and a screw locknut 71 is set on the tie down screw 7 and against locking heightens screw rod 6.Be to improve locking effect, at screw locknut 71 and heighten between the screw rod 6 and can also be provided with pad 72.The external diameter of tie down screw 7 is less than the internal diameter of heightening screw rod 6, and tie down screw 7 and the assemblage gap of heightening between the screw rod 6 satisfy the maximum angle that makes Work turning table tilt to set.
When heightening screw rod 6 upwards the jacking working platform base plate be inclined upwardly certain angle, tie down screw 7 tilts under the drive of workbench base plate together, because tie down screw 7 and heighten between the screw rod 6 and have the space, so the angle of inclination that the inclination maximum angle of tie down screw 7 in heightening screw rod 6 can restraint of labour platform base plate.Because optical work is very high to requirement on machining accuracy, therefore when the workbench base plate tilted, the angle of its inclination was smaller.
Heighten the triangular support that assembly 4 forms workbench base plate 2 for three groups that are installed in the installing hole of support 1.According to the triangle stability principle, the workbench base plate can well be supported as can be known.Can carry out further position to the move left and right of workbench base plate 2 by tie down screw 7 limits.
According to foregoing description, as can be known, there is not hollow passable yet yet.Only need in the installing hole of support 1, to offer internal thread, make and heighten screw rod directly and the internal thread of the installing hole of support 1 is threaded connection and is arranged on up and down jacking and the decline displacement that also can realize heightening screw rod on the support 1.
During the milling and grinding machine initial setting up, at first heighten assembly by regulating three groups, the workbench base plate is horizontal, and when it is horizontal, remain with suitable space between workbench base plate and the support.When needs during to optical work preprocessing one concave surface, making two groups of the same side of being positioned at the support back heighten assembly keeps horizontal level motionless, only regulate the screw rod of heightening of heightening assembly near operator's one side, the scale of regulating as required rotation is heightened the certain scale of screw rod and then by screw locknut it is located.At this moment, Work turning table has a down dip to required angle in the jacking effect of adjusting screw(rod).Because the edge of emery wheel is positioned at the center of circle of Work turning table, the optical work that is placed on the Work turning table rotates by Work turning table, all can be gone out a concave surface by the emery wheel milling.After milling goes out required concave surface, the workbench base plate is transferred to horizontal level and proceeds horizontal milling by heightening assembly, owing between emery wheel and optical work, there being the concave surface that has ground in advance, milling liquid in this concave surface inner accumulated, therefore, when continuing horizontal milling, milling liquid from concave surface to emery wheel and the workpiece contact-making surface diffuse to whole contact-making surface, the surface at workpiece under the effect of milling liquid can very fast milling go out required machining state.The in advance milling of Work turning table of utilize outes a concave surface that can gather milling liquid, carries out horizontal milling, greatly degree raising milling efficient again.Use the milling of conventional planar milling and grinding machine usually to need 4 ~ 6 hours milling time, use the tiltable milling and grinding machine of Work turning table of the present utility model, only needed 1 hour can reach required milling state, the milling time of its saving and milling cost are 3 ~ 5 times of traditional milling, remarkable in economical benefits.
Claims (8)
1. concentric circles milling and grinding machine, it comprises support, be movably arranged on the workbench base plate on the described support, rotatably be installed in the Work turning table on the described workbench base plate, the rotary electric machine that drives described Work turning table rotation is fixedly mounted on the described workbench base plate, and emery wheel is positioned at described Work turning table top; It is characterized in that offering at described support the installing hole of perforation; In described installing hole, be equipped with and heighten assembly; Described heighten assembly comprise can relative to described installing hole hole wall rotate with the externally threaded screw rod of heightening, described heighten screw rod upper end conflict described workbench base plate below, its lower end is positioned at the below of described support.
2. concentric circles milling and grinding machine according to claim 1, it is characterized in that the described assembly of heightening also comprises a columniform hollow with internal thread, described hollow is set in the described installing hole, its end, upper end that is positioned at described installing hole top to around extension stretch out a restraining position ring block, its lower end that is positioned at described installing hole below is arranged with locking nut, by described locking nut and described restraining position ring block described hollow is locked in described installing hole, describedly heighten the external screw thread of screw rod and the internal thread of described hollow is complementary, the described screw rod of heightening is positioned at described hollow rotationally, its upper end conflict described workbench base plate below.
3. concentric circles milling and grinding machine according to claim 2, it is characterized in that the described assembly of heightening also comprises a tie down screw, the described screw rod of heightening has the up and down hollow bulb of two ends perforation, screw lock was in the screw that described workbench base plate is offered after described tie down screw one end passed the upper end of the described hollow bulb of heightening screw rod, its other end passes the lower end of described hollow bulb, and a screw locknut is set on the described tie down screw against the described screw rod of heightening of locking; There is the space between the periphery wall of described tie down screw and the described hollow bulb of heightening screw rod.
4. concentric circles milling and grinding machine according to claim 3, it is characterized in that being arranged with a cushion block with cambered surface at the described described tie down screw of heightening between screw rod and the described workbench base plate, the described curved end that the upper surface is and described cushion block cambered surface is complementary of heightening screw rod, conflict at the cambered surface place of described cushion block in the described upper surface of heightening screw rod; Maintain the space between the inwall of described cushion block and the periphery wall of described tie down screw.
5. concentric circles milling and grinding machine according to claim 1 is characterized in that being provided with dial at the described assembly of heightening.
6. concentric circles milling and grinding machine according to claim 5 is characterized in that described dial is arranged on the described lower end perisporium of heightening screw rod.
7. according to claim 1 to 6 arbitrary described concentric circles milling and grinding machines, it is characterized in that the position near a side side is arranged at intervals with two groups of described assemblies of heightening on described support and described workbench base plate, be provided with one group of described assembly of heightening near its corresponding opposite side lateral location place.
8. according to claim 1 to 6 arbitrary described concentric circles milling and grinding machines, a lateral edges that it is characterized in that described emery wheel be positioned at described Work turning table rotate the center of circle directly over.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220415249 CN202701948U (en) | 2012-08-21 | 2012-08-21 | Concentric circle milling and grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220415249 CN202701948U (en) | 2012-08-21 | 2012-08-21 | Concentric circle milling and grinding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202701948U true CN202701948U (en) | 2013-01-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220415249 Withdrawn - After Issue CN202701948U (en) | 2012-08-21 | 2012-08-21 | Concentric circle milling and grinding machine |
Country Status (1)
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|---|---|
| CN (1) | CN202701948U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102785143A (en) * | 2012-08-21 | 2012-11-21 | 苏州嘉仁精密机电有限公司 | Concentric circle milling and grinding machine |
-
2012
- 2012-08-21 CN CN 201220415249 patent/CN202701948U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102785143A (en) * | 2012-08-21 | 2012-11-21 | 苏州嘉仁精密机电有限公司 | Concentric circle milling and grinding machine |
| CN102785143B (en) * | 2012-08-21 | 2014-07-09 | 苏州嘉仁精密机电有限公司 | Concentric circle milling and grinding 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 |
Granted publication date: 20130130 Effective date of abandoning: 20140709 |
|
| RGAV | Abandon patent right to avoid regrant |