CN2936552Y - Gantry movable milling and boring machine - Google Patents
Gantry movable milling and boring machine Download PDFInfo
- Publication number
- CN2936552Y CN2936552Y CN 200620106873 CN200620106873U CN2936552Y CN 2936552 Y CN2936552 Y CN 2936552Y CN 200620106873 CN200620106873 CN 200620106873 CN 200620106873 U CN200620106873 U CN 200620106873U CN 2936552 Y CN2936552 Y CN 2936552Y
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- CN
- China
- Prior art keywords
- ram
- guide rail
- milling
- portal frame
- support roller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a gantry mobile milling and boring machine with simple structure, high driving accuracy in X direction, long period of usage, and high comprehensive performance, which comprises a group of parallel spaced guide rails, a plurality of rams arranged on the guide rails, a movable gantry frame arranged across the ram, wherein, the length direction of the gantry frame is vertical to the length direction of the guide rail, the gantry frame is provided with milling and boring heads, the gantry frame is also provided with a straight line drive unit, which in turn comprises nuts connected with the ram and lead screws connected with the nuts; a fixed supporting roller is arranged under the lead screws on both ends of the ram, spaced float supporting rollers are arranged on one side of the fixed supporting roller, and the float supporting rollers are connected with each other. The utility model is applicable to milling, boring, drilling, threading, and counter boring in mechanical parts.
Description
Technical field
The utility model relates to a kind of milling-boring machine, relates in particular to the multi-functional milling-boring machine of direction machining such as a kind of carried out X, Y that has a portal frame, Z.
Background technology
Planer-type milling machine early adopts can carry out straight-line workbench at directions X, to be processed is fixed on the workbench, drive to be processed motion by moving of workbench, add milling head at other directions such as Y, machining requirements is satisfied in the motion of directions such as Z, in order to make to be processed to install firmly, the volume of workbench and weight are often all bigger, thereby workbench is when moving back and forth, need the bigger power of configuration, so energy consumption is also higher, particularly along with the continuous expansion of the planer-type milling machine range of work, the inferior position of this version aspect energy consumption and ease of use is more and more obvious; So mode that someone adopts portal frame to move, because milling head is installed on the crossbeam of portal frame, portal frame moves just, and milling head moves, under workbench and to be processed motionless situation, can reach processing effect equally like this, portal frame be activity be connected across carry out on the guide rail straight-line, the motion of coupled slide block generally is that the transmission by wheel and rack realizes, because the transmission meeting of wheel and rack produces accumulated error, transmission accuracy is low, thereby influences the raising of whole system of processing precision; For the low problem of transmission accuracy that solves wheel and rack, someone adopts the drive mechanism of leading screw and nut, but because the planer-type milling machine range of work is bigger, particularly X to size, make the length dimension of corresponding leading screw also bigger, and nut drives leading screw, nut can produce torsion to leading screw, adds that leading screw length is long, and self is easy to generate flexural deformation, thereby the flexural deformation problem of leading screw does not solve, thereby can cause transmission accuracy to reduce equally, thus whole system of processing precision also is difficult to be improved, and because leading screw flexural deformation strengthens frictional resistance, cause the wearing and tearing aggravation, influence the service life of screw pair.
Summary of the invention
The utility model is in order to solve the deficiency or the defectives such as raising of the whole system of processing precision of the low influence of existing planer-type milling machine directions X transmission accuracy, and a kind of simple in structure, directions X transmission accuracy height, long service life, movable gantry milling-boring machine that combination property is high are provided.
In order to solve the problems of the technologies described above, the utility model is achieved through the following technical solutions:
The utility model comprises one group of guide rail that spaced and parallel is provided with, be arranged at the ram on the guide rail, activity is striden and is established portal frame on the described ram, described portal frame length direction and rail length direction are perpendicular, described portal frame is provided with milling and boring heads, also be provided with linear drive apparatus on the described portal frame, described linear drive apparatus comprises nut that links to each other with ram and the leading screw that is connected with nut, leading screw below, described ram two ends is provided with fixedly support roller, be arranged at intervals with unsteady support roller on one side with described fixedly support roller, described unsteady support roller interconnects.
As preferably, described guide rail and ram contact-making surface be shaped as plane or V-type, the shape of the contact-making surface of described two secondary guide rails and ram has nothing in common with each other.
As preferably, built-in floating platen in the middle of the described ram below, described guide rail and ram contact-making surface be shaped as the plane time floating platen cross section shape be the T type, described guide rail and ram contact-making surface be shaped as V-type the time floating platen cross section shape be triangular form.
As preferably, described guide rail two ends are provided with fuel tank, and described fuel tank is connected with guide pass and ram cavity.
The utility model compared with prior art has following obvious advantage and good effect:
Because the kind of drive of nut and leading screw is adopted in the transmission of portal frame in the utility model, and one group of employing leading screw below fixing support roller, adopt one group of interconnective unsteady support roller simultaneously, make portal frame in running, the leading screw multiple spot disperses carrying, and supporting-point changes with the position of portal frame, leading screw can not produce flexural deformation because of the operation of portal frame, so it is simple in structure, directions X transmission accuracy height, long service life, and the shape of two groups of guide rails and ram contact-making surface adopts the combination of plane and V-type, further improve precision of rectilinear motion, thereby improve the combination property of whole system operation.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the amplification drawing in side sectional elevation of Fig. 1 middle guide and ram;
Fig. 4 is the structural representation of movable shield among Fig. 1;
Fig. 5 is the enlarged left view of Fig. 4.
The specific embodiment
Below in conjunction with the drawings and the specific embodiments the utility model is described in further detail:
As shown in Figure 1 to Figure 3, the utility model comprises the one group of guide rail 1 and guide rail 2 that spaced and parallel is provided with, guide rail 1 is provided with ram 3, guide rail 2 is provided with ram 4, activity is striden and is established portal frame 5 on ram 3 and the ram 4, portal frame 5 length directions and rail length direction are perpendicular, portal frame 5 is provided with milling and boring heads 6, also be provided with linear drive apparatus 7 on the portal frame 5, linear drive apparatus 7 comprises nut 8 that links to each other with ram and the leading screw 9 that is connected with nut 8, because leading screw 9 is longer, it is bigger to add carrying, the supporting of depending merely on two ends can't guarantee the linearity of leading screw 9, so below ram two ends leading screw 9, be provided with one group of fixedly support roller 10 at interval, 11, fixedly support roller 10,11 and ram link together, move along with the motion of ram, just move along with moving of portal frame 5, can make leading screw 9 carryings good like this, for the motion that makes two groups of rams is consistent, adopt the centralized driving mode, promptly adopt same drive unit, use known drive mechanism, make the equidirectional together motion of two nuts, cause is support roller 10 fixedly, 11, ram and nut 8 connect together, thereby the axiality of nut 8 and leading screw 9 can be by fixing support roller 10,11 installation site guarantees; In order to make leading screw 9 keep better linearity, set up the support roller 12,13 that floats on one side at interval at fixing support roller 10,11, and two unsteady support rollers 12,13 are interconnected, when portal frame 5 runs to forward position, fixedly support roller 10 can move forward by the forward unsteady support roller 12 of promotion, because two unsteady support rollers 12,13 interconnect, so another unsteady support roller 13 also can move forward thereupon; Otherwise, when portal frame 5 runs to by the position, back, unsteady support roller 13 after fixedly support roller 11 can promote to lean on moves backward, another unsteady support roller 12 also can move thereupon backward, like this by changing the bearing position of leading screw 9, make portal frame 5 in running, the carrying of leading screw 9 distributes and remains well the flexural deformation of unlikely generation leading screw 9.
In order further to improve the precision of rectilinear motion of portal frame 5, two guide rails and ram contact-making surface take different shapes compound mode, and when wherein one group of guide rail was shaped as the plane with the ram contact-making surface, then another group employing V-type can be used for like this compensating and expand with heat and contract with cold; Built-in floating platen in the middle of simultaneously below ram, insufficient lubrication and greasy dirt that this built-in pressing plate can be eliminated external pressing plate dye problem, and are in operation, because compression plate promotes, oil level can increase, and can improve the lubricating status of ram effectively.The shape of the cross section shape of floating platen and guide rail and ram contact-making surface is suitable, when guide rail and ram contact-making surface be shaped as the plane time floating platen cross section shape be the T type, when guide rail and ram contact-making surface be shaped as V-type the time floating platen cross section shape be triangular form.As shown in Figure 3, provided plane ram 3 respectively, the structure of guide rail 1 that matches with it and T type floating platen 14, and triangular form ram 4, the guide rail 2 that matches with it and the structure of V-type floating platen 15.
As Fig. 1 and shown in Figure 3, ram moves on guide rail, ram need carry bigger gravity, so lubricated quality will have influence on the consumption and the service life of power, in order to improve greasy property, the guide rail two ends are provided with fuel tank 16, in use, make lubricating oil submergence guide pass, guide rail and ram keep good lubrication, guide pass is connected with the ram cavity through aperture 17 by grease pump simultaneously, has realized hydrostatic lubrication; In addition, nut 8 peripheries are provided with nut support chamber 20, and nut 8 inner chambers are connected by aperture 21 with nut support chamber 20, and lubricating oil is connected with nut support chamber 20 by another oil pipe, and enter in the nut 8, thereby solved the lubrication problem of nut and leading screw simultaneously by aperture 21.
As Fig. 4 and shown in Figure 5, because the utility model range of work is big, in process, the foreign material such as iron filings that produce can pollute guide rail, leading screw and lubricating oil, thereby influence the motion of ram and nut, so on guide rail, be provided with movable shield 18, this movable shield 18 and inversion U font plate 19 that mutually stack end to end by some formed, when portal frame moves on guide rail, movable shield can be stretched thereupon, be in closed state but remain guide pass, thereby avoided all contaminations to enter in the guide rail, satisfied safety in production and environmental sanitation requirement simultaneously again.
The utility model is applicable to processing such as milling in the component of machine, boring, drilling, tapping, spot-facing.
Claims (4)
1, a kind of movable gantry milling-boring machine, comprise one group of guide rail that spaced and parallel is provided with, be arranged at the ram on the guide rail, activity is striden and is established portal frame on the described ram, described portal frame length direction and rail length direction are perpendicular, described portal frame is provided with milling and boring heads, also be provided with linear drive apparatus on the described portal frame, described linear drive apparatus comprises nut that links to each other with ram and the leading screw that is connected with nut, it is characterized in that leading screw below, described ram two ends is provided with fixedly support roller, be arranged at intervals with unsteady support roller on one side with described fixedly support roller, described unsteady support roller interconnects.
2, movable gantry milling-boring machine according to claim 1, what it is characterized in that described guide rail and ram contact-making surface is shaped as plane or V-type, and the shape of the contact-making surface of described two secondary guide rails and ram has nothing in common with each other.
3, movable gantry milling-boring machine according to claim 2, it is characterized in that built-in floating platen in the middle of the described ram below, described guide rail and ram contact-making surface be shaped as the plane time floating platen cross section shape be the T type, described guide rail and ram contact-making surface be shaped as V-type the time floating platen cross section shape be triangular form.
4, according to each described movable gantry milling-boring machine of claim 1 to 3, it is characterized in that described guide rail two ends are provided with fuel tank, described fuel tank is connected with guide pass and ram cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620106873 CN2936552Y (en) | 2006-08-13 | 2006-08-13 | Gantry movable milling and boring machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620106873 CN2936552Y (en) | 2006-08-13 | 2006-08-13 | Gantry movable milling and boring machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2936552Y true CN2936552Y (en) | 2007-08-22 |
Family
ID=38360572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620106873 Expired - Fee Related CN2936552Y (en) | 2006-08-13 | 2006-08-13 | Gantry movable milling and boring machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2936552Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102343513A (en) * | 2010-08-03 | 2012-02-08 | 林如华 | Milling and drilling combined lathe |
| CN106346261A (en) * | 2016-10-18 | 2017-01-25 | 江苏理工学院 | Production line and production process for automatically processing elevator guide rails |
| CN109822688A (en) * | 2019-03-11 | 2019-05-31 | 肖艳 | A kind of timber combined cut device |
-
2006
- 2006-08-13 CN CN 200620106873 patent/CN2936552Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102343513A (en) * | 2010-08-03 | 2012-02-08 | 林如华 | Milling and drilling combined lathe |
| CN106346261A (en) * | 2016-10-18 | 2017-01-25 | 江苏理工学院 | Production line and production process for automatically processing elevator guide rails |
| CN109822688A (en) * | 2019-03-11 | 2019-05-31 | 肖艳 | A kind of timber combined cut device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |