CN204700555U - Multi-shaft interlocked and the main shaft driving device of high precision numerical control gantry machining center - Google Patents
Multi-shaft interlocked and the main shaft driving device of high precision numerical control gantry machining center Download PDFInfo
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- CN204700555U CN204700555U CN201520255511.8U CN201520255511U CN204700555U CN 204700555 U CN204700555 U CN 204700555U CN 201520255511 U CN201520255511 U CN 201520255511U CN 204700555 U CN204700555 U CN 204700555U
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Abstract
The utility model discloses the multi-shaft interlocked and main shaft driving device of a kind of high precision numerical control gantry machining center, be symmetrical arranged chip area (1d) at the right and left at brace table (1a) top, the tail end of brace table (1a) is provided with secondary water tank (1c); Arrange workbench (4) in the top of brace table (1a), this workbench (4) is positioned between two columns (2); The output shaft of spindle motor (19) is connected with the input of gear-box (20), the output shaft of gear-box (20) is set with driving wheel (21), this driving wheel (21) is connected with the driven pulley on main shaft (23) by belt (22).The utility model structure is simple, compact, and volume is little, and precision is high, and vibrate little, noise is low, good reliability, and chip removal is smooth and easy, thorough, and chip removal efficiency is high, can high-speed cutting, and also can cut by low-speed big, the range of work is extensive.
Description
Technical field
The utility model belongs to machine tool technology field, specifically, and the particularly multi-shaft interlocked and main shaft driving device of a kind of high precision numerical control gantry machining center.
Background technology
The high-efficiency automatic lathe being applicable to processed complex part that numerical control machining center is made up of plant equipment and digital control system.Numerical control machining center is current one of the highest, most widely used Digit Control Machine Tool of output in the world.Its comprehensive process ability is stronger, more processing content can be completed after workpiece clamped one time, machining accuracy is higher, with regard to the batch workpiece of medium difficulty of processing, its efficiency is 5 ~ 10 times of conventional equipment, particularly it can complete the processing that many conventional equipments can not complete, more complicated to shape, the single-piece work that required precision is high or small batch multi-item production more applicable.
Crossbeam fixed gantry machining center is the Digit Control Machine Tool of current extensive use.But existing numerical control gantry machining center is bulky, area occupied is large, and structural rigidity is poor, and overall precision is unstable; Meanwhile, vibrate comparatively large in the course of the work, larger noise can be produced, and temperature rise is fast, less reliable.The main shaft of gantry machining center adopts spindle motor Direct driver, can only carry out high-speed cutting, be difficult to meet different processing needs.
Base is the chassis of whole machining center, is positioned at bottommost, for supporting the weight of whole equipment and being convenient to other parts layout.Existing numerical control gantry machining center is generally equipped with secondary water tank on the side of base, for splendid attire cooling fluid, and plays precipitation, filtration cooling fluid.But secondary water tank needs to make guard shield supporting mechanism in addition, adds cost on the one hand, is unfavorable for assembling; On the other hand, the volume of base increases, and transports very inconvenient, can affect the globality of whole machining center.
The iron filings that the numerical control gantry machining center course of work produces are cleared up by special chip removal device.Existing chip removal device not only complex structure, dismounting is inconvenient, and cleaning iron filings are not thorough, need manually to carry out secondary cleaning, thus can affect the efficiency of processing toward contact.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of compact conformation, chip removal efficiency high precision numerical control gantry machining center that is high, that can meet different processing needs multi-shaft interlocked and main shaft driving device.
The technical solution of the utility model is as follows: the multi-shaft interlocked and main shaft driving device of a kind of high precision numerical control gantry machining center, the brace table (1a) of rectangle is formed with at the top of base (1), the left and right sides of this brace table (1a) postmedian is symmetrical arranged bearing (1b), the upper vertical columns (2) of each bearing (1b), top common support crossbeam (3) of the right and left column (2), is characterized in that:
Chip area (1d) is symmetrical arranged at the right and left at described brace table (1a) top, chip area (1d) extends along the longitudinal direction, the through front end face to brace table (1a) in front end of chip area (1d), and in each chip area (1d), spiral chip removal machine (27) is all housed; The tail end of described brace table (1a) is provided with secondary water tank (1c), described secondary water tank (1c) and brace table (1a) are by being cast into one, and the water inlet of secondary water tank (1c) and delivery port are opened on the breech face of brace table (1a);
In the top of described brace table (1a), workbench (4) is set, this workbench (4) is positioned between two columns (2), the X-axis nut seat (5) that workbench (4) bottom is fixing and X-axis screw mandrel (6) threaded engagement, the rear end of described X-axis screw mandrel (6) is connected with X-axis motor by the first shaft coupling, X-axis motor is arranged on the rear end of brace table (1a), and is positioned at X-axis guard shield (7); Be symmetrical arranged X-axis slide rail (8) in the left and right sides of described X-axis screw mandrel (6), workbench (4) is slidably matched with X-axis slide rail (8) by the X-axis slide block (9) of bottom;
At the front end face of described crossbeam (3), upper and lower two Y-axis slide rails (10) are housed, Y-axis slide (11) is slidably matched by Y-axis slide block and this two Y-axis slide rails (10), Y-axis nut seat is fixed at the back side of Y-axis slide (11), this Y-axis nut seat and Y-axis screw mandrel (12) threaded engagement, described Y-axis screw mandrel (12) is positioned between two Y-axis slide rails (10), and one end of this Y-axis screw mandrel (12) is connected with y-axis motor (13) by the second shaft coupling;
At the front end face of described Y-axis slide (11), about two parallel Z axis slide rails (14) are set, main spindle box (15) is positioned between these two Z axis slide rails (14), and be slidably matched with these two Z axis slide rails (14) by the Z axis slide block (16) of side, Z axis nut seat is fixed at the back side of main spindle box (15), this Z axis nut seat coordinates with Z axis wire rod thread, described Z axis screw mandrel is positioned between two Z axis slide rails (14), and the upper end of this Z axis screw mandrel is connected with Z axis motor (17) by the 3rd shaft coupling;
At the front end face of described main spindle box (15), spindle motor (19) is installed, the output shaft of this spindle motor (19) straight down, and be connected with the input of gear-box (20), the output shaft of gear-box (20) is set with driving wheel (21), this driving wheel (21) is connected with the driven pulley on main shaft (23) by belt (22), and described main shaft (23) is perpendicular to brace table (1a).
Adopt above technical scheme, X-axis motor rotation, drive X-axis screw mandrel original place to rotate, workbench is moved at fore-and-aft direction, to realize the X-axis displacement of institute's clamping workpiece on workbench; Y-axis motor operates, and drives Y-axis screw mandrel original place to rotate, Y-axis slide and main spindle box is moved at left and right directions, to realize the Y-axis displacement of cutter; Z axis motor rotation, drives Z axis screw mandrel original place to rotate, main spindle box is moved at above-below direction, to realize the Z axis displacement of cutter.Multi-shaft interlocked above, can machining large framework and complex profile, can bore, milling, boring, diverse in function, the scope of application is widely.High pulling torque motor all selected by X-axis motor, y-axis motor and Z axis motor, respective outfit adjutant feed screw nut rotary motion converts rectilinear motion to, and adopt line slideway to lead, like this without the need to being equipped with reduction box, in simplification structure, while reducing costs, can effectively reduce the volume of whole machining center on the one hand, structural rigidity is good; On the other hand, the high and stable accuracy of precision, vibrate little in the course of the work, noise is low, and temperature rise is comparatively slow, and reliability is secure.
Base brace table arranges two chip areas in left and right, this chip area is for collecting the iron filings of processing, and in the process of processing, along with the running of spiral chip removal machine, iron filings move forward along chip area, until discharge from the front end of base, whole chip removal process is synchronous with process, iron filings can be made automatically to get rid of totally, and chip removal efficiency is high.
The utility model casts secondary water tank in base tail end integral type, avoids and makes guard shield supporting mechanism and secondary water tank in addition, simplifies the structure on the one hand, eliminates assembly process, greatly reduce production cost; On the other hand, fundamentally solve secondary water tank because assembling the leakage of oil of leaking caused not in place, and convenient transportation, enhance the globality of machining center.The intake-outlet of secondary water tank is arranged on the breech face of base top brace table, is conducive to pipeline and connects and arrange.
When spindle motor running, the input of its output shaft driven gear case connects, and the moment of torsion of transmission is after gear-box speed change, and drive driving wheel to rotate by the output shaft of gear-box, driving wheel is rotated together by belt drive driven pulley and main shaft again.Main shaft is driven by gear-box and pulley mechanism, improves Tool in Cutting moment of torsion, can high-speed cutting, also can cut by low-speed big, can meet different processing needs.
Conveniently lift, the symmetrical mounting hanger (18) in the two ends, left and right at described crossbeam (3) top.
More smooth and easy in order to make main spindle box move up and down, it is right that described Z axis slide block (16) has upper, middle and lower three, and often pair of Z axis slide block (16) is divided into symmetrical two.
Described bearing (1b) is square frame body, the end face of bearing (1b) and the either flush of brace table (1a), and bearing (1b) and brace table (1a) are cast into one.Above structural bearings moulding is simple, is easy to processing and fabricating, and on bearing, install column convenient, can guarantee the steadiness of support post.
The horizontal stripe (24) that two, front and back are parallel to each other is provided with in the centre position of described brace table (1a) end face middle front part, the top of these two horizontal stripes (24) is provided with two longitudinal blocks (25) in left and right, described longitudinal block (25) is perpendicular with horizontal stripe (24), the rear and front end of longitudinal block (25) supports fixing by the horizontal stripe (24) of correspondence, and longitudinal block (25) has multiple screw from front to back.Above structure horizontal stripe and longitudinal block composition bearing block supporter, for supporting the bearing block of fixing X-axis screw mandrel, while facilitating bearing block to assemble, can make bearing block install firm.
The end face of described brace table (1a) is provided with two groups, front and back locating piece (26), often organizes locating piece (26) and be divided into two, left and right, two groups totally four locating pieces (26) are by the rectangular distribution; Described locating piece (26) is rectangle, each locating piece (26) is distributed with four locating holes by the rectangular distribution.The moulding of above structure locating piece is simple, base is easy to arrange, fastness is good; Locating piece plays a part for subsequent use, so that install other device additional as required on base.Locating piece, lower than the slide rail on base, can not affect the proper motion of workbench.
The beneficial effects of the utility model are:
1, each axially-movable is realized by high pulling torque motor and feed screw nut pair, and can realize the processing of complex profile, have structure simple, compact, volume is little, and precision is high, vibrates little, the features such as noise is low, good reliability.
2, chip area and spiral chip removal machine are set on base, additionally can not increase the volume of whole machining center; By spiral chip removal machine can in process automatic scrap iron cleaning, chip removal is smooth and easy, thorough, and chip removal efficiency is high.
3, secondary water tank is integrated on base, avoids and makes guard shield supporting mechanism and secondary water tank in addition, while reduction production cost, fundamentally solves secondary water tank because assembling the leakage of oil of leaking caused not in place.
4, can according to different processing needs, can high-speed cutting, also can cut by low-speed big, the range of work is extensive.
Accompanying drawing explanation
Fig. 1 is side view of the present utility model.
Fig. 2 is the right view of Fig. 1.
Fig. 3 is the top view of Fig. 2.
Fig. 4 is the top view of base.
Fig. 5 is the front view of base band workbench.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in further detail:
As shown in Figure 1, Figure 2, shown in Fig. 4, Fig. 5, the brace table 1a of rectangle is formed with at the top of base 1, the right and left at brace table 1a top is symmetrical arranged chip area 1d, chip area 1d extends along the longitudinal direction, the cross section of this chip area 1d is preferably " V " shape, and the through front end face to brace table 1a in the front end of chip area 1d.In each chip area 1d, spiral chip removal machine 27 is all housed, spiral chip removal machine 27 is prior art, and its structure does not repeat at this.In the process that spiral chip removal machine 27 operates, the iron filings in chip area 1d can be carried from back to front.
As shown in Figure 4, Figure 5, the tail end of brace table 1a is provided with secondary water tank 1c, secondary water tank 1c and brace table 1a is by being cast into one, and water inlet and the delivery port of secondary water tank 1c are opened on the breech face of brace table 1a, and the water inlet of secondary water tank 1c and delivery port are positioned at sustained height.Be symmetrical arranged bearing 1b in the left and right sides of brace table 1a postmedian, this bearing 1b is square frame body, for supporting vertical columns.The end face of bearing 1b and the either flush of brace table 1a, and bearing 1b and brace table 1a is cast into one.
As shown in Figure 4, Figure 5, be provided with the horizontal stripe 24 that two, front and back are parallel to each other in the centre position of brace table 1a end face middle front part, horizontal stripe 24 and brace table 1a are structure as a whole.Two longitudinal blocks 25 in left and right are provided with above two horizontal stripes 24, longitudinal block 25 is perpendicular with horizontal stripe 24, the rear and front end of longitudinal block 25 supports fixing by the horizontal stripe 24 of correspondence, and longitudinal block 25 has multiple screw from front to back, the number of screw is determined according to actual needs, the present embodiment is preferably three, and the screw on the longitudinal block 25 of two, left and right is symmetrical.The end face of brace table 1a is provided with two groups, front and back locating piece 26, often organizes locating piece 26 and be divided into two, left and right, two groups totally four locating pieces 26 are by the rectangular distribution.Locating piece 26 is preferably rectangle, and is fixed with brace table 1a by welding, and each locating piece 26 is distributed with four locating holes by the rectangular distribution, locating hole is preferably screw.
As shown in Figure 1, Figure 2, Figure 3 shows, vertical columns 2 on each bearing 1b, the top common support crossbeam 3 of the right and left column 2.Above brace table 1a, arrange workbench 4, workbench 4 is for positioning workpiece to be processed.Workbench 4 between two columns 2, X-axis nut seat 5 fixing bottom workbench 4 and X-axis screw mandrel 6 threaded engagement.X-axis screw mandrel 6 extends along the longitudinal direction, the two ends of this X-axis screw mandrel 6 by bearing and bearing block support on brace table 1a.The rear end of X-axis screw mandrel 6 is connected with the output shaft of X-axis motor by the first shaft coupling, and X-axis motor is arranged on the rear end of brace table 1a, and is positioned at X-axis guard shield 7, and X-axis guard shield 7 is fixed on brace table 1a.Be symmetrical arranged X-axis slide rail 8 in the left and right sides of X-axis screw mandrel 6, X-axis slide rail 8 parallels with X-axis screw mandrel 6, and two X-axis slide rails 8 are equal to the distance of X-axis screw mandrel 6, and workbench 4 is slidably matched with two X-axis slide rails 8 respectively by two groups of X-axis slide blocks 9 of bottom.When X-axis motor rotation time, the output shaft of X-axis motor drives X-axis screw mandrel 6 original place to rotate, and under the guide effect of X-axis slide rail 8, workbench 4 moves at fore-and-aft direction.
As shown in Figure 1, Figure 2, Figure 3 shows, at the symmetrical mounting hanger 18 in the two ends, left and right at crossbeam 3 top, to facilitate lifting.At the front end face of crossbeam 3, upper and lower two Y-axis slide rails 10 be parallel to each other are housed, Y-axis slide rail 10 extends in left-right direction.Y-axis slide 11 is slidably matched with these two Y-axis slide rails 10 respectively by two groups of Y-axis slide blocks.Y-axis nut seat is fixed, this Y-axis nut seat and Y-axis screw mandrel 12 threaded engagement at the back side of Y-axis slide 11.Y-axis screw mandrel 12 is between two Y-axis slide rails 10, and Y-axis screw mandrel 12 is parallel to Y-axis slide rail 10, and the distance of Y-axis screw mandrel 12 to two Y-axis slide rails 10 is equal.Y-axis screw mandrel 12 is by two groups of bearings and bearing block rotatably support on crossbeam 3, and one end of Y-axis screw mandrel 12 is connected with the output shaft of y-axis motor 13 by the second shaft coupling.When y-axis motor 13 operates time, the output shaft of y-axis motor 13 drives Y-axis screw mandrel 12 original place to rotate, and under the guide effect of Y-axis slide rail 10, Y-axis slide 11 moves at left and right directions.
As shown in Figure 1, Figure 2, Figure 3 shows, arrange about two parallel Z axis slide rails 14 at the front end face of Y-axis slide 11, Z axis slide rail 14 extends along the vertical direction.Main spindle box 15 between these two Z axis slide rails 14, and is slidably matched with these two Z axis slide rails 14 by the Z axis slide block 16 of side.As preferably, in the present embodiment, to have upper, middle and lower three right for Z axis slide block 16, and often pair of Z axis slide block 16 is divided into symmetrical two.Fix Z axis nut seat at the back side of main spindle box 15, this Z axis nut seat coordinates with Z axis wire rod thread.Z axis screw mandrel is between two Z axis slide rails 14, and this Z axis screw mandrel parallels with Z axis slide rail 14, and Z axis screw mandrel is equal to the distance of two Z axis slide rails 14.Z axis screw mandrel rotatably support is on Y-axis slide 11, and the upper end of Z axis screw mandrel is connected with the output shaft of Z axis motor 17 by the 3rd shaft coupling.When Z axis motor 17 operates time, the output shaft of Z axis motor 17 drives Z axis screw mandrel original place to rotate, and under the guide effect of Z axis slide rail 14, main spindle box 15 moves at above-below direction.
As shown in Figure 1, Figure 2, Figure 3 shows, install spindle motor 19 at the front end face of main spindle box 15, the output shaft of this spindle motor 19 straight down, and is connected with the input of gear-box 20, and the casing of gear-box 20 is fixed on the front end face of main spindle box 15 by gear box support.The output shaft of gear-box 20 is passed down through gear box support, and driving wheel 21 is set with on the output shaft of gear-box 20, this driving wheel 21 is connected with the driven pulley on main shaft 23 by belt 22, and main shaft 23 is perpendicular to brace table 1a, and this main shaft 23 is supported by bearing and main spindle box 15 phase.
Claims (6)
1. the multi-shaft interlocked and main shaft driving device of a high precision numerical control gantry machining center, the brace table (1a) of rectangle is formed with at the top of base (1), the left and right sides of this brace table (1a) postmedian is symmetrical arranged bearing (1b), the upper vertical columns (2) of each bearing (1b), top common support crossbeam (3) of the right and left column (2), is characterized in that:
Chip area (1d) is symmetrical arranged at the right and left at described brace table (1a) top, chip area (1d) extends along the longitudinal direction, the through front end face to brace table (1a) in front end of chip area (1d), and in each chip area (1d), spiral chip removal machine (27) is all housed; The tail end of described brace table (1a) is provided with secondary water tank (1c), described secondary water tank (1c) and brace table (1a) are by being cast into one, and the water inlet of secondary water tank (1c) and delivery port are opened on the breech face of brace table (1a);
In the top of described brace table (1a), workbench (4) is set, this workbench (4) is positioned between two columns (2), the X-axis nut seat (5) that workbench (4) bottom is fixing and X-axis screw mandrel (6) threaded engagement, the rear end of described X-axis screw mandrel (6) is connected with X-axis motor by the first shaft coupling, X-axis motor is arranged on the rear end of brace table (1a), and is positioned at X-axis guard shield (7); Be symmetrical arranged X-axis slide rail (8) in the left and right sides of described X-axis screw mandrel (6), workbench (4) is slidably matched with X-axis slide rail (8) by the X-axis slide block (9) of bottom;
At the front end face of described crossbeam (3), upper and lower two Y-axis slide rails (10) are housed, Y-axis slide (11) is slidably matched by Y-axis slide block and this two Y-axis slide rails (10), Y-axis nut seat is fixed at the back side of Y-axis slide (11), this Y-axis nut seat and Y-axis screw mandrel (12) threaded engagement, described Y-axis screw mandrel (12) is positioned between two Y-axis slide rails (10), and one end of this Y-axis screw mandrel (12) is connected with y-axis motor (13) by the second shaft coupling;
At the front end face of described Y-axis slide (11), about two parallel Z axis slide rails (14) are set, main spindle box (15) is positioned between these two Z axis slide rails (14), and be slidably matched with these two Z axis slide rails (14) by the Z axis slide block (16) of side, Z axis nut seat is fixed at the back side of main spindle box (15), this Z axis nut seat coordinates with Z axis wire rod thread, described Z axis screw mandrel is positioned between two Z axis slide rails (14), and the upper end of this Z axis screw mandrel is connected with Z axis motor (17) by the 3rd shaft coupling;
At the front end face of described main spindle box (15), spindle motor (19) is installed, the output shaft of this spindle motor (19) straight down, and be connected with the input of gear-box (20), the output shaft of gear-box (20) is set with driving wheel (21), this driving wheel (21) is connected with the driven pulley on main shaft (23) by belt (22), and described main shaft (23) is perpendicular to brace table (1a).
2. the multi-shaft interlocked and main shaft driving device of high precision numerical control gantry machining center according to claim 1, is characterized in that: the symmetrical mounting hanger (18) in the two ends, left and right at described crossbeam (3) top.
3. the multi-shaft interlocked and main shaft driving device of high precision numerical control gantry machining center according to claim 1 and 2, it is characterized in that: it is right that described Z axis slide block (16) has upper, middle and lower three, often pair of Z axis slide block (16) is divided into symmetrical two.
4. the multi-shaft interlocked and main shaft driving device of high precision numerical control gantry machining center according to claim 1, it is characterized in that: described bearing (1b) is square frame body, the end face of bearing (1b) and the either flush of brace table (1a), and bearing (1b) and brace table (1a) are cast into one.
5. the multi-shaft interlocked and main shaft driving device of the high precision numerical control gantry machining center according to claim 1 or 4, it is characterized in that: be provided with the horizontal stripe (24) that two, front and back are parallel to each other in the centre position of described brace table (1a) end face middle front part, the top of these two horizontal stripes (24) is provided with two longitudinal blocks (25) in left and right, described longitudinal block (25) is perpendicular with horizontal stripe (24), the rear and front end of longitudinal block (25) supports fixing by the horizontal stripe (24) of correspondence, and longitudinal block (25) has multiple screw from front to back.
6. the multi-shaft interlocked and main shaft driving device of high precision numerical control gantry machining center according to claim 1, it is characterized in that: on the end face of described brace table (1a), be provided with two groups, front and back locating piece (26), often organize locating piece (26) and be divided into two, left and right, two groups totally four locating pieces (26) are by the rectangular distribution; Described locating piece (26) is rectangle, each locating piece (26) is distributed with four locating holes by the rectangular distribution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520255511.8U CN204700555U (en) | 2015-04-24 | 2015-04-24 | Multi-shaft interlocked and the main shaft driving device of high precision numerical control gantry machining center |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520255511.8U CN204700555U (en) | 2015-04-24 | 2015-04-24 | Multi-shaft interlocked and the main shaft driving device of high precision numerical control gantry machining center |
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| Publication Number | Publication Date |
|---|---|
| CN204700555U true CN204700555U (en) | 2015-10-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520255511.8U Expired - Fee Related CN204700555U (en) | 2015-04-24 | 2015-04-24 | Multi-shaft interlocked and the main shaft driving device of high precision numerical control gantry machining center |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204700555U (en) |
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2015
- 2015-04-24 CN CN201520255511.8U patent/CN204700555U/en not_active Expired - Fee Related
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| 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: 20151014 Termination date: 20160424 |