CN104875026A - Numerical-control gantry machining center - Google Patents
Numerical-control gantry machining center Download PDFInfo
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- CN104875026A CN104875026A CN201510200898.1A CN201510200898A CN104875026A CN 104875026 A CN104875026 A CN 104875026A CN 201510200898 A CN201510200898 A CN 201510200898A CN 104875026 A CN104875026 A CN 104875026A
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- brace table
- axis slide
- oil
- machining center
- face
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/01—Frames, beds, pillars or like members; Arrangement of ways
- B23Q1/012—Portals
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
- B23Q1/44—Movable or adjustable work or tool supports using particular mechanisms
- B23Q1/56—Movable or adjustable work or tool supports using particular mechanisms with sliding pairs only, the sliding pairs being the first two elements of the mechanism
- B23Q1/60—Movable or adjustable work or tool supports using particular mechanisms with sliding pairs only, the sliding pairs being the first two elements of the mechanism two sliding pairs only, the sliding pairs being the first two elements of the mechanism
- B23Q1/62—Movable or adjustable work or tool supports using particular mechanisms with sliding pairs only, the sliding pairs being the first two elements of the mechanism two sliding pairs only, the sliding pairs being the first two elements of the mechanism with perpendicular axes, e.g. cross-slides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/0042—Devices for removing chips
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/02—Driving main working members
- B23Q5/04—Driving main working members rotary shafts, e.g. working-spindles
- B23Q5/12—Mechanical drives with means for varying the speed ratio
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Machine Tool Units (AREA)
Abstract
The invention discloses a numerical-control gantry machining center. A rectangular supporting table (1a) is integrally formed at the top of a base (1), and left and right sides of the supporting table (1a) are symmetrically provided with chip grooves (1e). A retaining wall (1c) is arranged at the front end of the top of the supporting table (1a) and partitioned by an oil-water separation groove (1d) in the middle of the retaining wall (1c). An output shaft of a spindle motor (19) is connected with an input end of a gearbox (20), and a driving wheel (21) sleeves an output shaft of the gearbox (20) and is connected with a driven wheel on a spindle (23) through a belt (22). By adoption of a nitrogen balance cylinder for balancing gravity of a spindle box, load of a Z-axial motor can be effectively relieved, and high-speed cutting and low-speed large-torque cutting are both available according to different machining requirements. In addition, by integration of the oil-water separation groove to the base, the problem of oil and water leakage caused by improper installation of an oil-water separation mechanism is solved radically.
Description
Technical field
The invention belongs to machine tool technology field, specifically, particularly a kind of numerical control gantry machining center machine.
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.
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 needs on base, be equipped with water-oil separating mechanism, water-oil separating mechanism makes usually separately, and by being mounted with on base, add cost so on the one hand, easily cause leakage of oil of leaking because the assembling of water-oil separating mechanism is not in place; 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.
Summary of the invention
Technical problem to be solved by this invention be to provide a kind of chip removal efficiency high, can effectively avoid leaking leakage of oil and and meeting the numerical control gantry machining center machine that difference processes needs.
Technical scheme of the present invention is as follows: a kind of numerical control gantry machining center machine, 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 (1e) is symmetrical arranged at the right and left at described brace table (1a) top, chip area (1e) extends along the longitudinal direction, the through front end face to brace table (1a) in front end of chip area (1e), and in each chip area (1e), spiral chip removal machine (11) is all housed; Barricade (1c) is provided with in the front end at described brace table (1a) top, this barricade (1c) is positioned between two chip areas (1e), and the middle part of barricade (1c) is separated by oil-water separation tank (1d), described oil-water separation tank (1d) is the through groove in front and back;
Install Y-axis slide (4) at the front end face of described crossbeam (3), Y-axis slide (4) and crossbeam (3) are slidably matched, and Y-axis slide (4) can move left and right on crossbeam (3); Install main spindle box (5) at the front end face of described Y-axis slide (4), main spindle box (5) and Y-axis slide (4) are slidably matched, and main spindle box (5) can move up and down on Y-axis slide (4); Nitrogen balance cylinder (6) is symmetrical arranged in the left and right sides of described Y-axis slide (4), cylinder body and the Y-axis slide (4) of this nitrogen balance cylinder (6) fix, the piston rod of nitrogen balance cylinder (6) stretches out straight up, and be connected with ceiling hold (7), described ceiling hold (7) is fixed on the top of main spindle box (5);
At the front end face of described main spindle box (5), 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, 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, and iron filings can be made automatically to get rid of totally, and chip removal efficiency is high.Oil-water separation tank is wholely set in the front end of base brace table, rail oil and cutting oil are directly separated on base foundry goods by oil-water separation tank, not only save cost, fundamentally solve water-oil separating mechanism because assembling the leakage of oil of leaking caused not in place, and convenient transportation, enhance the globality of machining center.
Nitrogen balance cylinder is set up 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.
The two ends up and down of described nitrogen balance cylinder (6) cylinder body are all connected with Y-axis slide (4) 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 (7) is for "T"-shaped.
In order to reduce chip removal resistance, make chip removal more smooth and easy, thorough, the cross section of described chip area (1e) is " V " shape.
The horizontal stripe (8) 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 (8) is provided with two longitudinal blocks (9) in left and right, described longitudinal block (9) is perpendicular with horizontal stripe (8), the rear and front end of longitudinal block (9) supports fixing by the horizontal stripe (8) of correspondence, and longitudinal block (9) 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 (10), often organizes locating piece (10) and be divided into two, left and right, two groups totally four locating pieces (10) are by the rectangular distribution; Described locating piece (10) is rectangle, each locating piece (10) 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.
Beneficial effect: the present invention carrys 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, and can according to different processing needs, can high-speed cutting, also can cut by low-speed big, the range of work is extensive, has the features such as reasonable in design, transformation is easy, improvement cost is low; 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; The present invention, by being integrated on base by oil-water separation tank, avoiding and makes water-oil separating mechanism in addition, while reduction production cost, convenient transport, fundamentally solves water-oil separating mechanism because assembling the leakage of oil of leaking caused not in place.
Accompanying drawing explanation
Fig. 1 is side view of the present invention.
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 and spiral chip removal machine.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described:
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 this brace table 1a top is symmetrical arranged chip area 1e, chip area 1e extends along the longitudinal direction, the cross section of this chip area 1e is preferably " V " shape, and the through front end face to brace table 1a in the front end of chip area 1e.In each chip area 1e, spiral chip removal machine 11 is all housed, spiral chip removal machine 11 is prior art, and its structure does not repeat at this.In the process that spiral chip removal machine 11 operates, the iron filings in chip area 1e can be carried from back to front.
As shown in Figure 4, Figure 5, be provided with barricade 1c in the front end at brace table 1a top, this barricade 1c and brace table 1a is structure as a whole, and barricade 1c between two chip area 1e, and extends in left-right direction.The middle part of barricade 1c is separated by oil-water separation tank 1d, the groove that oil-water separation tank 1d is through before and after being.Be provided with the horizontal stripe 8 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 8 and brace table 1a are structure as a whole.Two longitudinal blocks 9 in left and right are provided with above two horizontal stripes 8, longitudinal block 9 is perpendicular with horizontal stripe 8, the rear and front end of longitudinal block 9 supports fixing by the horizontal stripe 8 of correspondence, and longitudinal block 9 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 9 of two, left and right is symmetrical.
As shown in Figure 4, the end face of brace table 1a is provided with two groups, front and back locating piece 10, often organizes locating piece 10 and be divided into two, left and right, two groups totally four locating pieces 10 are by the rectangular distribution.Locating piece 10 is preferably rectangle, and is fixed with brace table 1a by welding, and each locating piece 10 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, be symmetrical arranged bearing 1b in the left and right sides of brace table 1a postmedian, vertical columns 2 on each bearing 1b, the top common support crossbeam 3 of the right and left column 2.Install Y-axis slide 4 at the front end face of crossbeam 3, Y-axis slide 4 is connected with the output shaft of y-axis motor by feed screw nut pair, and Y-axis slide 4 is slidably matched with the Y-axis slide rail on crossbeam 3, and under the driving of y-axis motor, Y-axis slide 4 can move left and right on crossbeam 3.At the front end face of Y-axis slide 4, main spindle box 5 is installed, main spindle box 5 is connected by the output shaft of feed screw nut pair with Z axis motor, and main spindle box 5 is slidably matched with the Z axis slide rail on Y-axis slide 4, and under the driving of Z axis motor, main spindle box 5 can move up and down on Y-axis slide 4.
As shown in Figure 1, Figure 2, Figure 3 shows, arrange ceiling hold 7 at the top of main spindle box 5, this ceiling hold 7 is preferably "T"-shaped, and bottom and the main spindle box 5 of ceiling hold 7 fix.Be symmetrical arranged nitrogen balance cylinder 6 in the left and right sides of Y-axis slide 4, the two ends up and down of this nitrogen balance cylinder 6 cylinder body are all connected with Y-axis slide 4 by anchor ear, and the piston rod of nitrogen balance cylinder 6 stretches out straight up, and are connected with the cantilever of ceiling hold 7.
As shown in Figure 1, Figure 2, Figure 3 shows, install spindle motor 19 at the front end face of main spindle box 5, 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 5 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 5 phase.
Claims (4)
1. a numerical control gantry machining center machine, 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 (1e) is symmetrical arranged at the right and left at described brace table (1a) top, chip area (1e) extends along the longitudinal direction, the cross section of chip area (1e) is " V " shape, the through front end face to brace table (1a) in front end of chip area (1e), and in each chip area (1e), spiral chip removal machine (11) is all housed; Barricade (1c) is provided with in the front end at described brace table (1a) top, this barricade (1c) is positioned between two chip areas (1e), and the middle part of barricade (1c) is separated by oil-water separation tank (1d), described oil-water separation tank (1d) is the through groove in front and back;
Install Y-axis slide (4) at the front end face of described crossbeam (3), Y-axis slide (4) and crossbeam (3) are slidably matched, and Y-axis slide (4) can move left and right on crossbeam (3); Install main spindle box (5) at the front end face of described Y-axis slide (4), main spindle box (5) and Y-axis slide (4) are slidably matched, and main spindle box (5) can move up and down on Y-axis slide (4); Nitrogen balance cylinder (6) is symmetrical arranged in the left and right sides of described Y-axis slide (4), the two ends up and down of this nitrogen balance cylinder (6) cylinder body are all connected with Y-axis slide (4) by anchor ear, the piston rod of nitrogen balance cylinder (6) stretches out straight up, and be connected with ceiling hold (7), described ceiling hold (7) is fixed on the top of main spindle box (5);
At the front end face of described main spindle box (5), 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 machine according to claim 1, is characterized in that: described ceiling hold (7) is for "T"-shaped.
3. numerical control gantry machining center machine according to claim 1, it is characterized in that: be provided with the horizontal stripe (8) 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 (8) is provided with two longitudinal blocks (9) in left and right, described longitudinal block (9) is perpendicular with horizontal stripe (8), the rear and front end of longitudinal block (9) supports fixing by the horizontal stripe (8) of correspondence, and longitudinal block (9) has multiple screw from front to back.
4. numerical control gantry machining center machine 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 (10), often organize locating piece (10) and be divided into two, left and right, two groups totally four locating pieces (10) are by the rectangular distribution; Described locating piece (10) is rectangle, each locating piece (10) is distributed with four locating holes by the rectangular distribution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510200898.1A CN104875026A (en) | 2015-04-24 | 2015-04-24 | Numerical-control gantry machining center |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510200898.1A CN104875026A (en) | 2015-04-24 | 2015-04-24 | Numerical-control gantry machining center |
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| CN104875026A true CN104875026A (en) | 2015-09-02 |
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| CN201510200898.1A Pending CN104875026A (en) | 2015-04-24 | 2015-04-24 | Numerical-control gantry machining center |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2644060Y (en) * | 2003-08-27 | 2004-09-29 | 江苏多棱数控机床股份有限公司 | Numerical controlled large milling machine of five shaft linkage |
| CN201346724Y (en) * | 2009-01-20 | 2009-11-18 | 翁强 | Nitrogen gas balancing cylinder system for weight counterbalance to machining centre |
| KR20120063305A (en) * | 2010-12-07 | 2012-06-15 | 두산인프라코어 주식회사 | Separator function of water from cleaning oil using chip conveyor |
| CN202491114U (en) * | 2012-02-16 | 2012-10-17 | 深圳市创世纪机械有限公司 | Driving device used for gantry spindle |
| CN103358185A (en) * | 2013-06-07 | 2013-10-23 | 杭州大天数控机床有限公司 | High-rigidity large-torque vertical machining center |
| CN103447888A (en) * | 2012-05-31 | 2013-12-18 | 上海斌盛电子机械有限公司 | Optical-mechanical structure for vertical machining center |
-
2015
- 2015-04-24 CN CN201510200898.1A patent/CN104875026A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2644060Y (en) * | 2003-08-27 | 2004-09-29 | 江苏多棱数控机床股份有限公司 | Numerical controlled large milling machine of five shaft linkage |
| CN201346724Y (en) * | 2009-01-20 | 2009-11-18 | 翁强 | Nitrogen gas balancing cylinder system for weight counterbalance to machining centre |
| KR20120063305A (en) * | 2010-12-07 | 2012-06-15 | 두산인프라코어 주식회사 | Separator function of water from cleaning oil using chip conveyor |
| CN202491114U (en) * | 2012-02-16 | 2012-10-17 | 深圳市创世纪机械有限公司 | Driving device used for gantry spindle |
| CN103447888A (en) * | 2012-05-31 | 2013-12-18 | 上海斌盛电子机械有限公司 | Optical-mechanical structure for vertical machining center |
| CN103358185A (en) * | 2013-06-07 | 2013-10-23 | 杭州大天数控机床有限公司 | High-rigidity large-torque vertical machining center |
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Application publication date: 20150902 |
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