CN204700623U - Numerical control gantry machining center power transmission and balanced controls - Google Patents
Numerical control gantry machining center power transmission and balanced controls Download PDFInfo
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- CN204700623U CN204700623U CN201520256218.3U CN201520256218U CN204700623U CN 204700623 U CN204700623 U CN 204700623U CN 201520256218 U CN201520256218 U CN 201520256218U CN 204700623 U CN204700623 U CN 204700623U
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Abstract
The utility model discloses a kind of numerical control gantry machining center power transmission and balanced controls, main spindle box (15) is positioned between two Z axis slide rails (14), and the Z axis nut seat at main spindle box (15) back side coordinates with Z axis wire rod thread; Arrange nitrogen balance cylinder (24) in the left and right sides of Y-axis slide (11), the piston rod of nitrogen balance cylinder (24) protrudes upward; 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).Each axially-movable of the utility model is realized by high pulling torque motor and feed screw nut pair, can realize the processing of complex profile, can high-speed cutting, also can cut by low-speed big; Carried out the gravity of balancing main shaft case by nitrogen balance cylinder, the load of Z axis motor can be effectively reduced, to guarantee the stationarity that Z axis moves.
Description
Technical field
The utility model belongs to machine tool technology field, specifically, and particularly a kind of numerical control gantry machining center power transmission and balanced controls.
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 spindle box of numerical control gantry machining center is vertically arranged, the weight of main spindle box is carried by Z axis motor substantially, can increase the wearing and tearing of Z axis screw mandrel thus, affects the stationarity of Z axis motion and the service life of Z axis motor.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.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of compact conformation, can effectively reduces motor load and can meets different numerical control gantry machining center power transmission and the balanced controls of processing needs.
The technical solution of the utility model is as follows: a kind of numerical control gantry machining center power transmission and balanced controls, 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), it is characterized in that: 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 be 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;
Nitrogen balance cylinder (24) is symmetrical arranged in the left and right sides of described Y-axis slide (11), cylinder body and the Y-axis slide (11) of this nitrogen balance cylinder (24) fix, the piston rod of nitrogen balance cylinder (24) stretches out straight up, and be connected with ceiling hold (25), described ceiling hold (25) is fixed on the top of main spindle box (15);
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.
The utility model sets up nitrogen balance cylinder in the both sides of Y-axis slide, when main spindle box moves up and down under the drive of Z axis motor, the piston rod of nitrogen balance cylinder stretches along with moving up and down of main spindle box, nitrogen balance cylinder is used for the gravity of balancing main shaft case, thus reduce the load of Z axis motor, reduce the wearing and tearing of Z axis screw mandrel, Z axis is moved more steady, the longer service life of Z axis motor.
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.
The two ends up and down of described nitrogen balance cylinder (24) cylinder body are all connected with Y-axis slide (11) by anchor ear.Above structure nitrogen balance cylinder easy accessibility, is connected not only firm but also reliable with Y-axis slide.
In order to reduced proper motion, facilitate processing and fabricating, guarantee structural strength, described ceiling hold (25) is for "T"-shaped.
Beneficial effect: each axially-movable of the utility model is realized by high pulling torque motor and feed screw nut pair, the processing of complex profile can be realized, and can according to different processing needs, can high-speed cutting, also can cut by low-speed big, the range of work is extensive, and have structure simple, compact, volume is little, precision is high, vibrate little, the features such as noise is low, good reliability; Carried out the gravity of balancing main shaft case by nitrogen balance cylinder, the load of Z axis motor can be effectively reduced, to guarantee the stationarity that Z axis moves.
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.
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, Figure 3 shows, be formed with the brace table 1a of rectangle at the top of base 1, the left and right sides of this brace table 1a postmedian is symmetrical arranged bearing 1b, 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, arrange ceiling hold 25 at the top of main spindle box 15, this ceiling hold 25 is preferably "T"-shaped, and bottom and the main spindle box 15 of ceiling hold 25 fix.Be symmetrical arranged nitrogen balance cylinder 24 in the left and right sides of Y-axis slide 11, the two ends up and down of this nitrogen balance cylinder 24 cylinder body are all connected with Y-axis slide 11 by anchor ear, and the piston rod of nitrogen balance cylinder 24 stretches out straight up, and are connected with the cantilever of ceiling hold 25.
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 (5)
1. a numerical control gantry machining center power transmission and balanced controls, 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), it is characterized in that: 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 be 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;
Nitrogen balance cylinder (24) is symmetrical arranged in the left and right sides of described Y-axis slide (11), cylinder body and the Y-axis slide (11) of this nitrogen balance cylinder (24) fix, the piston rod of nitrogen balance cylinder (24) stretches out straight up, and be connected with ceiling hold (25), described ceiling hold (25) is fixed on the top of main spindle box (15);
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. numerical control gantry machining center power transmission according to claim 1 and balanced controls, is characterized in that: the symmetrical mounting hanger (18) in the two ends, left and right at described crossbeam (3) top.
3. numerical control gantry machining center power transmission according to claim 1 and 2 and balanced controls, is characterized in that: 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.
4. numerical control gantry machining center power transmission according to claim 1 and balanced controls, is characterized in that: the two ends up and down of described nitrogen balance cylinder (24) cylinder body are all connected with Y-axis slide (11) by anchor ear.
5. numerical control gantry machining center power transmission according to claim 1 and balanced controls, is characterized in that: described ceiling hold (25) is for "T"-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520256218.3U CN204700623U (en) | 2015-04-24 | 2015-04-24 | Numerical control gantry machining center power transmission and balanced controls |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520256218.3U CN204700623U (en) | 2015-04-24 | 2015-04-24 | Numerical control gantry machining center power transmission and balanced controls |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204700623U true CN204700623U (en) | 2015-10-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520256218.3U Expired - Fee Related CN204700623U (en) | 2015-04-24 | 2015-04-24 | Numerical control gantry machining center power transmission and balanced controls |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204700623U (en) |
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2015
- 2015-04-24 CN CN201520256218.3U patent/CN204700623U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20151014 Termination date: 20160424 |
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| CF01 | Termination of patent right due to non-payment of annual fee |