CN202061777U - Three-dimensional precision worktable - Google Patents
Three-dimensional precision worktable Download PDFInfo
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- CN202061777U CN202061777U CN201120140463XU CN201120140463U CN202061777U CN 202061777 U CN202061777 U CN 202061777U CN 201120140463X U CN201120140463X U CN 201120140463XU CN 201120140463 U CN201120140463 U CN 201120140463U CN 202061777 U CN202061777 U CN 202061777U
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- shaft
- dimensional precision
- precision stage
- rotating shaft
- axle bed
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Abstract
The utility model discloses a three-dimensional precision worktable, which relates to the field of material processing equipment and comprises a rotating shaft, a lifting table, an XY cross carriage and a worktable. The rotating shaft, the lifting table and the XY cross carriage are driven by a servo motor; the rotating shaft, a lifting shaft of the lifting table and an X shaft and a Y shaft of the XY cross carriage realize four-shaft numerical control and four-shaft linkage; the XY cross carriage, the lifting table, the worktable and the rotating shaft are sequentially fixedly connected from bottom to top; and the servo motor is arranged on a side of the XY cross carriage. As the three-dimensional precision worktable adopts the servo motor to drive the rotating shaft, the lifting table and the XY cross carriage, a large-inertia load can be driven, and control accuracy is improved. Simultaneously, as the rotating shaft, the lifting shaft of the lifting table and the X shaft and the Y shaft of the XY cross carriage realize four-shaft numerical control and four-shaft linkage, control accuracy is further improved, and workpieces in complicated shapes can be processed conveniently.
Description
Technical field
The utility model relates to the material processing apparatuses technical field, particularly a kind of three-dimensional precision stage.
Background technology
Cold spraying is the modern a kind of material processing method that progressively grows up, and by at the different material of the surface of workpiece spraying, realizes effects such as anticorrosion, anti-wear, attractive in appearance.The three-dimensional precision stage of cold spraying machine is its core component, is mainly used in the clamping and the motion of processing work.
The X-axis of traditional three-dimensional precision stage and Y-axis are mainly driven by stepper motor, and by the transmission of screw screw, lifting platform is also driven by stepper motor, and by the worm and gear transmission, lifting platform adopts the X-shaped structure, and stepper motor is placed on the intermediate node.
The defective that traditional three-dimensional precision stage exists is mainly reflected in the following aspects: the rotary inertia of (1) stepper motor is less, when driving heavier load, must select the very large stepper motor of power for use, has brought the high shortcoming of cost like this; (2) control accuracy of stepper motor will be well below servomotor, and dynamic property does not have servomotor good yet; (3) transmission of screw screw exists backlass big, and kinematic accuracy and the bad problem of stability make that the positioning accuracy of workbench and repetitive positioning accuracy are not high, can't satisfy the Precision Machining requirement; (4) stepper motor of lifting platform drives the worm and gear transmission, because backlass is big, and the difficult processing of high-accuracy worm and gear, so the positioning accuracy of its transmission and repetitive positioning accuracy all can not reach the requirement of micron order.
The utility model content
(1) technical problem that will solve
The technical problems to be solved in the utility model is: how to provide a kind of three-dimensional precision stage by driven by servomotor, to improve the control accuracy of this three-dimensional precision stage.
(2) technical scheme
For solving the problems of the technologies described above, the utility model provides a kind of three-dimensional precision stage, and it comprises: by rotating shaft 100, lifting platform 300 and the XY cross saddle 600 of servomotor 500 drivings;
The lifting shaft of described rotating shaft 100, lifting platform 300, the X-axis of XY cross saddle 600 and Y-axis all adopt digital quantity to control, and four-axle linked;
Described three-dimensional precision stage also comprises workbench 200;
Described XY cross saddle 600, lifting platform 300, workbench 200 and rotating shaft 100 are fixedlyed connected successively from the bottom to top.
Preferably, described three-dimensional precision stage also comprises dust cover 400 and pedestal 700;
Described XY cross saddle 600 is fixed on the described pedestal 700;
Described dust cover 400 is arranged at the surface of described XY cross saddle 600.
Preferably, described lifting platform 300 comprises: base 312, support 311, bearing 310, bearing block 315, lifter plate 322, following lead 306, drive lead screw 307 and linear bearing 305;
Described support 311 is fixed on the described base 312;
Described bearing block 315 is fixed on the described support 311;
Described drive lead screw 307 is fixed on the described bearing block 315, and described lifter plate 322 is fixed on the described drive lead screw 307, and can move up and down along described lead 306 down under the drive of described drive lead screw 307;
Described lead 306 down is fixed on the described base 312 by bearing 310;
Described linear bearing 305 is arranged between described lifter plate 322 and the following lead 306.
Preferably, described lifting platform 300 also comprises lower bumping block 321, goes up collision block 324, upper stroke switch 327, lower stroke switch 318 and fixed head 323;
Described fixed head 323 is fixed on described lead 306 tops down;
Described lower stroke switch 318 is installed on the described bearing block 315,
Described upper stroke switch 327 is installed on the described fixed head 323;
Described lower bumping block 321 and last collision block 324 are installed in the above and below of described lifter plate 322 respectively.
Preferably, described lifting platform 300 also comprises lower bumping block support 320 and the last collision block support 325 that is installed in described lifter plate 322 lower surfaces and upper surface respectively;
Described lower bumping block 321 is installed on the described lower bumping block support 320;
The described collision block 324 of going up is installed in described going up on the collision block support 325.
Preferably, described rotating shaft 100 comprises electric rotating machine 101, shaft coupling 102, axle bed 106, driving shaft 110;
Described electric rotating machine 101 is fixedlyed connected with described axle bed 106, and the output shaft of described electric rotating machine 101 links to each other with the tail end of described driving shaft 110 by described shaft coupling 102;
Described axle bed 106 is installed on the described workbench 200.
Preferably, described rotating shaft 100 also comprises two rolling bearings 105;
Described driving shaft 110 is installed in described axle bed 106 inside by described two rolling bearings 105.
Preferably, adopt inner spacing collar 108 and outer separator 107 location between described two rolling bearings 105, and adopt the Internal and external cycle of the described rolling bearing 105 of nut 104 lockings.
Preferably, described rotating shaft 100 also comprises the end flanges 109 that is installed on the described axle bed 106, and described end flanges 109 inside are equipped with sealing ring 112.
Preferably, described rotating shaft 100 also comprises driven axle bed 114, location-plate 118, driven shaft 111, left end cap 116, right end cap 113 and feather key 115;
Described driven axle bed 114, location-plate 118 are installed on the described workbench 200;
Described driven shaft 111 is installed in the described driven axle bed 114, and described driven shaft 111 two ends are supported by described left end cap 116 and right end cap 113;
Described feather key 115 is installed in the keyway of described driven shaft 111.
(3) beneficial effect
Three-dimensional precision stage described in the utility model adopts driven by servomotor rotating shaft, lifting platform and XY cross saddle, can drive the load of big inertia, improves control accuracy; Simultaneously, the X-axis of the lifting shaft of rotating shaft, lifting platform, XY cross saddle and Y-axis all adopt digital quantity to control and four-axle linked, further improve control accuracy, are convenient to the workpiece of machining shape complexity.
Description of drawings
Fig. 1 is the main structure chart of three-dimensional precision stage of the present utility model;
Fig. 2 is the structure chart of the rotating shaft of three-dimensional precision stage of the present utility model;
Fig. 3 is the forward cutaway view of the lifting platform of three-dimensional precision stage of the present utility model;
Fig. 4 is the side view of the lifting platform of three-dimensional precision stage of the present utility model.
The specific embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present utility model is described in further detail.Following examples are used to illustrate the utility model, but are not used for limiting scope of the present utility model.
Fig. 1 is the main structure chart of three-dimensional precision stage of the present utility model.As shown in Figure 1, this three-dimensional precision stage comprises rotating shaft 100, workbench 200, lifting platform 300, dust cover 400, servomotor 500, XY cross saddle 600 and pedestal 700.
The lifting shaft of described rotating shaft 100, lifting platform 300, the X-axis of XY cross saddle 600 and Y-axis all adopt digital quantity to control, and four-axle linked.The four-axle linked movement velocity of four axles that is meant has certain proportionate relationship, is correlative, rather than self-movement.
Described pedestal 700, XY cross saddle 600, lifting platform 300, workbench 200 and rotating shaft 100 are fixedlyed connected successively from the bottom to top.
Described servomotor 500 places the sidepiece of described XY cross saddle 600.
Described dust cover 400 is arranged at the surface of described XY cross saddle 600.
Fig. 2 is the structure chart of the rotating shaft 100 of three-dimensional precision stage of the present utility model.As shown in Figure 2, this rotating shaft 100 comprises: electric rotating machine 101, shaft coupling 102, adpting flange 103, nut 104, bearing 105, axle bed 106, outer separator 107, inner spacing collar 108, end flanges 109, driving shaft 110, driven shaft 111, sealing ring 112, right end cap 113, driven axle bed 114, feather key 115, left end cap 116, screw rod 117, location-plate 118.
Axle bed 106 is installed on the workbench 200 by screw.Driven axle bed 114 and location-plate 118 also are installed on the workbench 200 by screw.Driving shaft 110 is installed in the axle bed 106 by a pair of rolling bearing 105, and (rolling bearing is made up of inside and outside circle and the rolling element between Internal and external cycle to adopt inner spacing collar 108 and outer separator 107 location and 104 lockings of employing nut between the rolling bearing 105; The locking here is the meaning that compresses in fact, and rolling bearing has relative slip between the Internal and external cycle when being subjected to responsive to axial force, forms the gap, adopts nut 104 lockings can remove this gap.。After electric rotating machine 101 adopts bolt connecting mode and adpting flange 103 links to each other, be connected with axle bed 106 with screw is whole again.The output shaft of electric rotating machine 101 links to each other with driving shaft 110 tail ends by shaft coupling 102.End flanges 109 usefulness screws are connected on the axle bed 106, and sealing ring 112 has been installed in the end flanges 109, prevent entering of sealing and other foreign material.Driven shaft 111 is installed in the driven axle bed 114, two ends are supported by left end cap 116 and right end cap 113, and adopting sealing ring 112 sealings, feather key 115 is installed in the keyway of driven shaft 111, adjusts the position of driven shaft 111 in driven axle bed 114 by screw rod 117.
Fig. 3 is the structure chart of the lifting platform 300 of three-dimensional precision stage of the present utility model, and Fig. 4 is the side view of the lifting platform of three-dimensional precision stage of the present utility model.Shown in Fig. 3,4, this lifting platform 300 comprises: platform 301, go up lead 303, linear bearing 305, down lead 306, turn-screw 307, bearing 310, support 311, base 312, reductor 313, lifting motor 314, bearing block 315, lower stroke switch 318, lower bumping block support 320, lower bumping block 321, lifter plate 322, fixed head 323, go up collision block 324, go up collision block support 325, transmission nut 326 and upper stroke switch 327.
The operation principle of lifting platform 300 is: lifting motor 314 drives reductor 313 output driving torques and gives turn-screw 307, turn-screw 307 rotatablely moves, driving moment passes to lifter plate 322 by turn-screw 307 and transmission nut 326, make its edge lead 306 lengthwise movements down, last lead 303 and platform 301 that the mobile drive of lifter plate 322 is fixed on it move together, therefore realized being installed in the lengthwise movement of the workpiece on the platform 301, the lifting of workpiece just. Lifter plate 322 and 306 of following leads have been installed linear bearing 305, the straight line precision of guaranteed to have moved flexibility and motion.The control of adjustable height is by being installed on the lower stroke switch 318 on the bearing block 315 and being installed on the upper stroke switch 327 on the fixed head 323 and going up collision block 324 and lower bumping block 321 is realized, and the position of collision block can be adjusted, and can reasonably adjust the distance of lifting like this.
The described three-dimensional precision stage of the utility model embodiment adopts servomotor 500 to drive, and can drive the load of big inertia, and servomotor 500 is easy to control, has improved control accuracy.Simultaneously, the X-axis of the lifting shaft of rotating shaft 100, lifting platform 300, XY cross saddle 600 and Y-axis all adopt digital quantity to control and four-axle linked, have further improved control accuracy, are convenient to the workpiece of machining shape complexity, as have a workpiece of spiral, the blade of complicated space curve etc.
The X-axis of this three-dimensional precision stage, Y-axis transmission all adopt precision ball screw to cooperate line slideway, guaranteed the positioning accuracy and the repetitive positioning accuracy of motion, the use of line slideway has in addition reduced the frictional force of moving, reduce the wearing and tearing of drive disk assembly, improved the life-span of drive disk assembly.By the lifting platform 300 that servomotor 500 drives by the reductor transmission, guaranteed the accuracy and the adjustable height repetitive positioning accuracy of adjustable height.And this lifting platform 300 has adopted lead (following lead 306 and last lead 303) and linear bearing 305 location, feasible move both vertically steady, no gap, and nothing is creeped, and can accurately locate the optional position in stroke.The main parts size of this three-dimensional precision stage is all selected the outsourcing matured product for use, has improved kinematic accuracy, positioning accuracy, does not need simultaneously the screw, worm-and-wheel gear of independent machining high-precision etc. again, has reduced manufacturing cost.
Above embodiment only is used to illustrate the utility model; and be not to restriction of the present utility model; the those of ordinary skill in relevant technologies field; under the situation that does not break away from spirit and scope of the present utility model; can also make various variations and modification; therefore all technical schemes that are equal to also belong to category of the present utility model, and scope of patent protection of the present utility model should be defined by the claims.
Claims (10)
1. a three-dimensional precision stage is characterized in that, comprising: by rotating shaft (100), lifting platform (300) and the XY cross saddle (600) of servomotor (500) driving;
The X-axis of the lifting shaft of described rotating shaft (100), lifting platform (300), XY cross saddle (600) and Y-axis all adopt digital quantity to control, and four-axle linked;
Described three-dimensional precision stage also comprises workbench (200);
Described XY cross saddle (600), lifting platform (300), workbench (200) and rotating shaft (100) are fixedlyed connected successively from the bottom to top.
2. three-dimensional precision stage as claimed in claim 1 is characterized in that, described three-dimensional precision stage also comprises dust cover (400) and pedestal (700);
Described XY cross saddle (600) is fixed on the described pedestal (700);
Described dust cover (400) is arranged at the surface of described XY cross saddle (600).
3. three-dimensional precision stage as claimed in claim 1, it is characterized in that described lifting platform (300) comprising: base (312), support (311), bearing (310), bearing block (315), lifter plate (322), following lead (306), drive lead screw (307) and linear bearing (305);
Described support (311) is fixed on the described base (312);
Described bearing block (315) is fixed on the described support (311);
Described drive lead screw (307) is fixed on the described bearing block (315), and described lifter plate (322) is fixed on the described drive lead screw (307), and can move up and down along described lead (306) down under the drive of described drive lead screw (307);
Described lead (306) down is fixed on the described base (312) by bearing (310);
Described linear bearing (305) is arranged between described lifter plate (322) and the following lead (306).
4. three-dimensional precision stage as claimed in claim 3 is characterized in that, described lifting platform (300) also comprises lower bumping block (321), goes up collision block (324), upper stroke switch (327), lower stroke switch (318) and fixed head (323);
Described fixed head (323) is fixed on described lead (306) top down;
Described lower stroke switch (318) is installed on the described bearing block (315),
Described upper stroke switch (327) is installed on the described fixed head (323);
Described lower bumping block (321) and last collision block (324) are installed in the above and below of described lifter plate (322) respectively.
5. three-dimensional precision stage as claimed in claim 4 is characterized in that, described lifting platform (300) also comprises lower bumping block support (320) and the last collision block support (325) that is installed in described lifter plate (322) lower surface and upper surface respectively;
Described lower bumping block (321) is installed on the described lower bumping block support (320);
The described collision block (324) of going up is installed in described going up on the collision block support (325).
6. three-dimensional precision stage as claimed in claim 1 is characterized in that, described rotating shaft (100) comprises electric rotating machine (101), shaft coupling (102), axle bed (106), driving shaft (110);
Described electric rotating machine (101) is fixedlyed connected with described axle bed (106), and the output shaft of described electric rotating machine (101) links to each other with the tail end of described driving shaft (110) by described shaft coupling (102);
Described axle bed (106) is installed on the described workbench (200).
7. three-dimensional precision stage as claimed in claim 6 is characterized in that, described rotating shaft (100) also comprises two rolling bearings (105);
Described driving shaft (110) is installed in described axle bed (106) inside by described two rolling bearings (105).
8. three-dimensional precision stage as claimed in claim 7 is characterized in that, adopts inner spacing collar (108) and outer separator (107) location between described two rolling bearings (105), and adopts nut (104) to lock the Internal and external cycle of described rolling bearing (105).
9. three-dimensional precision stage as claimed in claim 7 is characterized in that, described rotating shaft (100) also comprises the end flanges (109) that is installed on the described axle bed (106), and described end flanges (109) inside is equipped with sealing ring (112).
10. three-dimensional precision stage as claimed in claim 9 is characterized in that, described rotating shaft (100) also comprises driven axle bed (114), location-plate (118), driven shaft (111), left end cap (116), right end cap (113) and feather key (115);
Described driven axle bed (114), location-plate (118) are installed on the described workbench (200);
Described driven shaft (111) is installed in the described driven axle bed (114), and described driven shaft (111) two ends are supported by described left end cap (116) and right end cap (113);
Described feather key (115) is installed in the keyway of described driven shaft (111).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120140463XU CN202061777U (en) | 2011-05-05 | 2011-05-05 | Three-dimensional precision worktable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120140463XU CN202061777U (en) | 2011-05-05 | 2011-05-05 | Three-dimensional precision worktable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202061777U true CN202061777U (en) | 2011-12-07 |
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ID=45055658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120140463XU Expired - Fee Related CN202061777U (en) | 2011-05-05 | 2011-05-05 | Three-dimensional precision worktable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202061777U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105277162A (en) * | 2014-06-06 | 2016-01-27 | 石家庄威森三维科技有限公司 | Three-dimensional scanner moving device |
| CN105867233A (en) * | 2016-04-18 | 2016-08-17 | 北京大学 | Three-dimensional control device |
| CN109434269A (en) * | 2018-12-29 | 2019-03-08 | 连云港正道电池技术有限公司 | A kind of new energy resource power battery mould group multidimensional welding platform |
| WO2022141001A1 (en) | 2020-12-28 | 2022-07-07 | 生物岛实验室 | Microscope sample stage |
-
2011
- 2011-05-05 CN CN201120140463XU patent/CN202061777U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105277162A (en) * | 2014-06-06 | 2016-01-27 | 石家庄威森三维科技有限公司 | Three-dimensional scanner moving device |
| CN105277162B (en) * | 2014-06-06 | 2018-01-05 | 天津大格科技有限公司 | Spatial digitizer mobile device |
| CN105867233A (en) * | 2016-04-18 | 2016-08-17 | 北京大学 | Three-dimensional control device |
| CN105867233B (en) * | 2016-04-18 | 2018-12-28 | 北京大学 | three-dimensional control |
| CN109434269A (en) * | 2018-12-29 | 2019-03-08 | 连云港正道电池技术有限公司 | A kind of new energy resource power battery mould group multidimensional welding platform |
| WO2022141001A1 (en) | 2020-12-28 | 2022-07-07 | 生物岛实验室 | Microscope sample stage |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111207 Termination date: 20170505 |