CN207522244U - A kind of precision plane machining tool - Google Patents
A kind of precision plane machining tool Download PDFInfo
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- CN207522244U CN207522244U CN201721638767.2U CN201721638767U CN207522244U CN 207522244 U CN207522244 U CN 207522244U CN 201721638767 U CN201721638767 U CN 201721638767U CN 207522244 U CN207522244 U CN 207522244U
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- machining tool
- slide unit
- plane machining
- turntable
- precision plane
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Abstract
The utility model discloses a kind of precision plane machining tools.By lathe bed, guide rail, cutter, main shaft, fixture, turntable, collet, counterweight balance structure and turret axis inclination angle adjusting structure composition；Main-shaft axis, Linear feed mechanism axis, turret axis are mutually parallel；Lathe bed is the square box shape structure that five faces are closed, using high stability material such as granite etc.；Slide unit is the box structure of polygonal cross-section；Linear feed mechanism is overlapped by least three or more the linear guides, leading screw and servo drive system composition, the geometric center of rail axis with the geometric center of slide unit, and indeterminate straight-line guidance structure of the slide unit by the inclined stabilization of eccentric force can be prevented by constituting；Three adjustment elements are symmetrically distributed in every 120 ° around turntable；The utility model can be widely applied on precision horizontal surface grinding machine or milling machine, and the number of axle is few, and precision is high, at low cost, and tilt adjustable.
Description
Technical field
The utility model belongs to precise machining equipment technical field, and in particular to a kind of precision plane machining tool.
Background technology
Precision plane machining tool is the Core equipment of precision and ultra-precision machining, and traditional surface grinding machine is divided into horizontal axis square
Platform, horizontal axis round platform, Vertical Spindle, vertical shaft round table and various private use plane grinding machines.Common surface grinding machine is mostly vertical or sleeping
Formula three-axis structure, vertical surface mill are mostly that two linear axis add a turntable, and Horizontal surface wheel is mostly three linear axis.In three axis
On the basis of grinding machine, a rotary shaft is such as further added by, then can grind axisymmetric curved surface.On the basis of three travelling wheelhead roll grinders, such as increase again
Add a rotary shaft or two rotary shafts, then can grind free form surface.However, manufacture processing can be significantly increased in the increase of the number of axle
Cost.Meanwhile conventional grinding machine lathe bed, mostly using cast-iron structure, the coefficient of thermal expansion of cast iron quality is big, it can substantially shadow after fever
Ring machining accuracy.Therefore, how to simplify the structure of surface grinding machine, improve machining accuracy, reduce equipment production cost, be practical need
Technical problems to be solved.
Invention content
The utility model aim be to provide a kind of a plurality of guide rail be oriented to, the precision plane processing machine of turntable tilt adjustable
Bed, the number of axle is few, and precision is high, at low cost, and the flatness of workpiece is adjustable.
Technical solution provided by the utility model is：
A kind of precision plane machining tool, including square box shape lathe bed, Linear feed mechanism, slide unit, main shaft, fixture, turntable,
Collet, counter weight construction, turret axis inclination angle adjusting structure；It is characterized in that, main shaft is fixed on slide unit, slide unit is pacified by guide rail
In square box shape lathe bed, turntable is fixed on lower cover by turret axis inclination angle adjusting structure, and Linear feed mechanism is used to drive
Dynamic slide unit does straight-line feed movement, and counterweight balance structure is used to balance the gravity of slide unit and main shaft；
Further, square box shape lathe bed is by upper cover plate, left cover, right cover plate, five pieces of plates compositions of back shroud and lower cover,
A heat-staple rectangular five face structure is constituted, open one side is as sliding door installation space；
Further, slide unit is by left plate, right plate, back side panel, lower side panel and left and right chamfering plate composition, in polygon
Box structure, open two sides for main shaft install and adjust；
Further, Linear feed mechanism includes lead screw pair, and left rail, right guide rail and intermediate rail, left rail, the right side are led
Rail and intermediate rail are vertically arranged, and are symmetrically distributed in square box shape lathe bed, and each guide rail is connected there are two sliding block with slide unit, silk
Thick stick pair is by leading screw fixed bearing block, nut seat, shaft coupling and driving motor composition；
Further, turret axis inclination angle adjusting structure is by rear adjustment nail, left adjustment nail, right adjustment nail and adjustment plate group
Into, rear adjustment nail, left adjustment nail, right adjustment nail interval degree is symmetrically distributed in around turntable, is connect by adjusting plate with turntable；
Further, the rear adjustment nail is by mandrel, sleeve, disc spring, and locking is female, upper spacer and lower spacer composition, and two
Group disc spring, upper spacer, lower spacer are located at the both sides of sleeve partition board respectively, and locking is female to be located on the downside of mandrel, mandrel and sleeve with every
Plate endoporus coordinates for minim gap；Further, the rear adjustment nail, left adjustment nail, right adjustment nail mechanism are identical；
Further, fixture is fixed on turntable, and fixture is mechanical clamping structure or vacuum suction structure or magnetic-adsorption
Structure；
Further, main shaft support part is internally provided with displacement sensor；
Further, main shaft and turntable are additionally provided with rotary joint.
Relative to scheme of the prior art, the utility model has the advantages that：
1. the utility model is designed using two axis, designed compared to traditional three axis of surface grinding machine, save an axis, simplified
Structure, saves cost.
2. the utility model uses five face square box shape structure of granite as lathe bed, compared to traditional surface grinding machine cast iron bed
Body, thermal stability is good, and rigidity is high, and precision is high.
3. the utility model employs the design of three guide rails, six sliding blocks (or more than three guide rails), straight-line feed axis is slided
The stress of block is in its geometric center, and without tilting moment, compared to traditional flat stone mill, the indeterminate straight-line guidance of guide rail, rigidity is good,
It is reasonable that cutting force transmits, and precision is high.
4. the utility model carries out Inclination maneuvers using three adjustment nails, compared to traditional surface grinding machine, main-shaft axis and
The parallel of turret axis can be realized by turret axis inclination angle adjusting structure, facilitate spirit, but the planeness of workpiece that item is very high
's.
5. the utility model is since spindle nose is integrated with displacement sensor, can with the actual (real) thickness of on-line measurement workpiece,
Straight-line feed intelligent control is realized by the auto-adaptive controling software of spindle arrangement, compared to traditional surface grinding machine, simplifies control
The composition of system processed, saves cost.
Description of the drawings
Fig. 1 is a kind of front view of precision plane machining tool of the utility model；
Fig. 2 is a kind of A-A sectional views of precision plane machining tool of the utility model；
Fig. 3 is a kind of B-B sectional views of precision plane machining tool of the utility model.
Fig. 4 is a kind of 3-D view of precision plane machining tool adjustment structure of the utility model；
Fig. 5 is the internal structure of adjustment nail after a kind of precision plane machining tool of the utility model.
Specific embodiment
Said program is described further below in conjunction with specific embodiment.It should be understood that these case study on implementation are for saying
Bright the utility model and be not limited to limitation the scope of the utility model.The implementation condition used in case study on implementation can be according to specific
The condition of producer does further adjustment, and the implementation condition being not specified is usually the condition in routine experiment.
Embodiment
Fig. 1-5 are referred to, present embodiment describes a kind of precision plane machining tools, and including upper cover plate 1, back shroud 2 is right
Cover board 3, left cover 4, slide unit 5, main shaft 6, intermediate rail 7, right guide rail 8, left rail 9, fixture 10, turntable 11, lower cover 12, bottom
Support 13, screw structure 14, counterweight balance structure 15, rear adjustment nail 16, left adjustment nail 17, right adjustment nail 18 and adjustment plate 19.
The good material of thermal stability such as flower can be used in upper cover plate 1, left cover 4, right cover plate 3, back shroud 2 and lower cover 12
Gang Yan constitutes a rectangular five face structure, and open one side is as sliding door installation space.Five face lathe bed square chests are carried for complete machine
The matrix for having supplied thermal stability good.Left cover 4 fixes left rail 9, and right cover plate 3 fixes right guide rail 8, and back shroud 2 is fixed centre and led
Rail 7.Slide unit 5 is made of left plate 5-1, right plate 5-2, lower side panel 5-3, back side panel 5-4 and left and right chamfering plate 5-5, is constituted
One rectangular four sides structure with chamfering, space of the open two sides as main shaft mounting and adjusting.
Three guide rails (also can be a plurality of) are symmetrically distributed in lathe bed square chest, and two sliding blocks of each guide rail are connected with slide unit 5,
Constitute hyperstatic linear-guidance restricting.The mounting hole of fixed main shaft 6 is provided on slide unit 5, main shaft 6 is fixed on slide unit mounting hole
In.Fixed turntable 11 and the mounting hole of three adjustment nails are provided on lower cover 12, turntable 11 is fixed in adjustment plate 19, adjustment plate
19 and left adjustment nail 17, right adjustment nail 18, rear adjustment nail 16 is connected, and three adjustment nails are distributed in 120 ° around turntable 11, and three
A adjustment nail sleeve is by flanged joint on lower cover 12.Lead screw pair 14 by leading screw fixed bearing block 14-3, nut seat 14-4,
Shaft coupling 14-2 and driving motor 14-1 compositions.Lead screw pair 14, leading screw are fixed on bearing block 14-3, across 1 endoporus of upper cover plate, Gu
It is scheduled on upper cover plate 1, the nut seat 14-4 of lead screw pair 14 is fixed on 5 back side panel 5-4 of slide unit.
During complete machine upright type of design, counterweight balance structure 15 can be with selected as mechanical counterweight structure, cylinder balancing structure or liquid
Cylinder pressure balanced structure.Diagram counterweight balance structure 15 is mechanical counterweight, and clump weight is arranged on complete machine behind, and counterweight forces are by from upper
Two function of wire that cover board 1 passes through are on the lower side panel 5-3 of slide unit 5.There are spindle holes on upper cover plate 1, avoid main shaft uplink
Upper cover plate is bumped against in the process, to increase Linear feed mechanism stroke.Collet 13 is welded square tube weldment, and collet downside front end is set
Two adjustment parallels are put, rear end sets three adjustment parallels.
Adjustment nail 16 afterwards, left adjustment nail 17, right adjustment nail 18 have identical structure.Adjustment nail 16 is by mandrel 16-1 afterwards,
Sleeve 16-2, disc spring 16-3 lock mother 16-4, upper spacer 16-5 and lower spacer 16-6 compositions.Mandrel 16-1 passes through flange and tune
Whole plate 19 is connected.Two groups of disc spring 16-3 are distributed in the both sides of sleeve 16-2 partition boards, play opposed preload.It is female by tightening locking
16-4 realizes entire axial pretightning force loading.Three adjustment nails are presented 120 ° and are distributed in around turntable 11, and three points determine one
A plane can adjust angle of the turret axis in X- and Y- directions.The degree of freedom of 16 radial direction of adjustment nail passes through mandrel 16-
Minim gap cooperation limitation between 1 and sleeve 16-2 partition board endoporus.
Fixture 10 is fixed on turntable 11, and fixture 10 can be with selected as mechanical clamping structure, vacuum suction structure or magnetic force
Adsorption structure.The tail portion of main shaft 6 and turntable 11 can match rotary joint.6 tail portion rotary joint of main shaft, goes out for tool focus
Water plays cooling effect.11 tail portion rotary joint of turntable is used for vacuum cup.
Rolling bearing, high-accuracy gas bearing or hydrodynamic journal liquid polymers may be used in main shaft 6 and turntable 11.Main shaft 6 supports
Part has been internally integrated displacement sensor, when main shaft 6 is moved to turntable 11, can measure the distance between tool and workpiece, real
The actual (real) thickness of existing on-line measurement workpiece.The self adaptive control of the control system integration of the lead screw pair 14 of Linear feed mechanism is soft
Part, the signal acquired in due course according to displacement sensor are realized to be switched to from fast feed when tool is contacted with workpiece and are cut into
It gives, terminates fabrication cycles when thickness of workpiece reaches size requirement.
The utility model, a kind of precision plane machining tool, the number of axle is few, and flatness is adjustable, and precision is high, at low cost.
Examples detailed above is only the technical concepts and features for illustrating the utility model, and its object is to allow be familiar with technique
People is can to understand the content of the utility model and implement according to this, can not limit the scope of protection of the utility model with this.It is all
According to the spirit of the present invention substantially equivalent transformation that is done or modification, should all cover the scope of protection of the utility model it
It is interior.
Claims (10)
1. a kind of precision plane machining tool, including square box shape lathe bed, Linear feed mechanism, slide unit (5), main shaft (6), fixture
(10), turntable (11), collet (13), counter weight construction (15), turret axis inclination angle adjusting structure；It is characterized in that, main shaft (6) is solid
It is scheduled on slide unit (5), slide unit (5) is mounted on by guide rail in square box shape lathe bed, and turntable (11) passes through turret axis Inclination maneuver
Structure is fixed on lower cover (12), and Linear feed mechanism is used to that slide unit (5) to be driven to do straight-line feed movement, counterweight balance structure
(15) for balancing the gravity of slide unit (5) and main shaft (6).
2. a kind of precision plane machining tool according to claim 1, which is characterized in that square box shape lathe bed is by upper cover plate
(1), left cover (4), right cover plate (3), (12) five pieces of plate compositions of back shroud (2) and lower cover constitute a heat-staple side
Five face structure of shape, open one side is as sliding door installation space.
3. a kind of precision plane machining tool according to claim 1, which is characterized in that slide unit (5) is by left plate (5-
1), right plate (5-2), back side panel (5-4), lower side panel (5-3) and left and right chamfering plate (5-5) composition, in the box-shaped knot of polygon
Structure, open two sides are installed and are adjusted for main shaft.
4. a kind of precision plane machining tool according to claim 2, which is characterized in that Linear feed mechanism includes leading screw
Secondary (14), left rail (9), right guide rail (8) and intermediate rail (7), left rail (9), right guide rail (8) and intermediate rail (7) are perpendicular
Straight setting, is symmetrically distributed in square box shape lathe bed, and each guide rail is connected there are two sliding block with slide unit (5), and lead screw pair (14) is by silk
Thick stick fixed bearing block (14-3), nut seat (14-4), shaft coupling (14-2) and driving motor (14-1) composition.
5. a kind of precision plane machining tool according to claim 1：It is characterized in that, turret axis inclination angle adjusting structure
By rear adjustment nail (16), left adjustment nail (17), right adjustment nail (18) and adjustment plate (19) form, rear adjustment nail (16), left adjustment
It follows closely (17), right adjustment nail (18) is spaced 120 degree, is symmetrically distributed in around turntable (11), by adjusting plate (19) and turntable (11)
Connection.
6. a kind of precision plane machining tool according to claim 5, it is characterised in that：The rear adjustment nail (16) by
Mandrel (16-1), sleeve (16-2), disc spring (16-3) are locked female (16-4), upper spacer (16-5) and lower spacer (16-6) composition,
Two groups of disc springs (16-3), upper spacer (16-5), lower spacer (16-6) are located at the both sides of sleeve (16-2) partition board respectively, and locking is female
(16-4) on the downside of mandrel (16-1), mandrel (16-1) and sleeve (16-2) coordinate with partition board endoporus for minim gap.
7. a kind of precision plane machining tool according to claim 6, it is characterised in that：The rear adjustment nail (16),
Left adjustment nail (17), right adjustment nail (18) mechanism are identical.
8. a kind of precision plane machining tool according to claim 5, which is characterized in that fixture (10) is fixed on turntable
(11) on, fixture (10) is mechanical clamping structure or vacuum suction structure or magnetic-adsorption structure.
9. a kind of precision plane machining tool according to claim 7, which is characterized in that set inside main shaft (6) support element
There is displacement sensor.
10. a kind of precision plane machining tool according to claim 6, which is characterized in that main shaft (6) and turntable (11)
It is additionally provided with rotary joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721638767.2U CN207522244U (en) | 2017-11-30 | 2017-11-30 | A kind of precision plane machining tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721638767.2U CN207522244U (en) | 2017-11-30 | 2017-11-30 | A kind of precision plane machining tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207522244U true CN207522244U (en) | 2018-06-22 |
Family
ID=62579378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721638767.2U Active CN207522244U (en) | 2017-11-30 | 2017-11-30 | A kind of precision plane machining tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207522244U (en) |
-
2017
- 2017-11-30 CN CN201721638767.2U patent/CN207522244U/en active Active
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