CN103722378A - Gantry type multiple-spindle machining center - Google Patents

Gantry type multiple-spindle machining center Download PDF

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Publication number
CN103722378A
CN103722378A CN201210408552.7A CN201210408552A CN103722378A CN 103722378 A CN103722378 A CN 103722378A CN 201210408552 A CN201210408552 A CN 201210408552A CN 103722378 A CN103722378 A CN 103722378A
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slide unit
machining center
planer
slide
type
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CN201210408552.7A
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Chinese (zh)
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林志贺
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Individual
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Priority to CN201210408552.7A priority Critical patent/CN103722378A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, 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
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/155Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling
    • B23Q3/157Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling of rotary tools
    • B23Q3/15786Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling of rotary tools a plurality of tools being inserted simultaneously in a plurality of spindles directly from a storage device, i.e. without using transfer devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, 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
    • B23Q1/00Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/25Movable or adjustable work or tool supports
    • B23Q1/64Movable or adjustable work or tool supports characterised by the purpose of the movement

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automatic Tool Replacement In Machine Tools (AREA)

Abstract

The invention relates to a gantry type multiple-spindle machining center. A gantry type machining center frame is adopted for the machining center body. The gantry type multiple-spindle machining center is characterized in that X-direction sliding tables of a base of the machining center are formed by installing a plurality of numerical control servo sliding tables in parallel, and at least two sliding tables are used for installing parts to be machined; Y-direction sliding tables on a gantry can be moved between the several X-direction sliding tables in a numerical control servo mode according to the travel; Z-direction sliding tables are installed on the Y-direction sliding tables, and a plurality of spindles with automatic tool changing mechanisms are installed on sliding plates of the Z-direction sliding tables; a horizontally arranged tool magazine is adopted as the tool magazine for automatic tool changing. Machining can be carried out by the machining center through the multiple spindles at the same time, tools can be changed automatically and synchronously, workpieces can be loaded and unloaded in the machining process, and the production efficiency is high. The gantry type multiple-spindle machining center is widely applicable to mechanical cutting of medium and small parts.

Description

The many Spindle Machining Centers of planer-type
Technical field
The present invention relates to a kind of machining equipment, especially a kind of multiway type machining center.
Technical background
Current machining center is on the market substantially all single main axle structure, and it is for the processing in enormous quantities of finding in some, and efficiency is relatively low, because only one cutter is participated in to processing in the same time.But building-block machine, although can participate in cutting by many main shafts simultaneously, raises the efficiency, its versatility is poor, and adjusts and bother with safeguarding also.Chinese patent discloses a kind of gantry Multishaft processing center (patent No.: 201120550910.9), though it has adopted many main axle structures, its cutter can not be changed automatically, thereby has retrained productivity.Also have on the market at present some gantry machining centers to adopt two main axle structures, but it can not carry out two spindle synchronous tool changing, thereby affect working (machining) efficiency.In part machined in enormous quantities, the lay day of numerous parts has all accounted for the very large share in total time in addition, and the not instantaneity of employee in handling in addition makes the auxiliary increase greatly of board, thereby affected production efficiency.
Summary of the invention
The object of this invention is to provide one can automatic many spindle synchronous tool changing, and reduces many Spindle Machining Centers of lay day.
In order to reach above-mentioned goal of the invention, the technical solution adopted in the present invention is: this machining center main body adopts gantry Machining Center framework, it mainly by base, portal frame, X to slide unit, Y-direction slide unit, Z-direction slide unit, main axle unit, composition of the control system; It is characterized in that: its gantry frame is many planer type structures arranged side by side preferably; The X of its base by the parallel installation of two or more numerical control servo slide units, and has two slide units at least for part to be processed is installed to slide unit; Y-direction slide unit stroke on its portal frame can with numerical control servo be displaced into X to several slide units between; Its Z-direction slide unit is arranged on Y-direction slide unit, and on the slide plate of Z-direction slide unit, two or more is installed and is provided with the main shaft of automatic tool changer; The tool magazine of its automatic tool changer adopts flat placed type tool magazine, and this tool magazine is preferably mounted at X on slide unit.
As the further improvement of technique scheme, between the slide plate of the slide plate of described Z-direction slide unit and Y-direction slide unit, vertical compensating cylinder is installed, thus the smoothness while improving the feeding of Z-direction slide unit; Reduce screw mandrel and the motor vertical gravity because of main shaft and slide unit plate, and the load increasing.
As the further improvement of technique scheme, described X can be according to one or more gyroaxises of condition of work increase in demand, to increase processing work face to slide unit.
The invention has the beneficial effects as follows: 1. adopt after many main axle structures, in processing, have much knives tool to participate in processing simultaneously, improved production efficiency.2. because X is to adopting at least two slide units to be used for installing part to be processed, and the Y-direction slide unit stroke on portal frame can with numerical control servo be displaced into X to several slide units between, so just can to one of them slide unit and Y, the Z slide unit composition three dimension system of slide unit, process by X, another slide unit carries out workpiece loading and unloading; After the workpiece of this slide unit processes, the workpiece of another slide unit loads and unloads already, thereby system gets final product automatically and another slide unit composition three dimension system is processed, and has reduced thus the lay day of workpiece.3. because the tool magazine of automatic tool changer adopts flat placed type tool magazine, thereby just can carry out easily the tool changing simultaneously of many main shafts, thus minimizing tool change time.4. tool magazine is arranged on X on slide unit, can make full use of the accurate positioning function of Y, Z axis, carries out reliable flat placed type automatic tool changer with the X that tool magazine is installed to slide unit composition three dimension system.5. adopt many planer type structures, can strengthen equipment intensity, thereby improve machining accuracy.
Accompanying drawing explanation
Fig. 1 is the agent structure schematic diagram of first embodiment of the invention; Wherein: 1 is left slide unit, 2 is middle slide unit, and 3 is right slide unit, and 4 is Y-direction slide unit, and 5 is servomotor, 6 is rolling lead screw, and 7 is No. 2 servomotors, and 8 is No. 2 rolling lead screws, and 9 is main axle unit, and 10 is compensating cylinder, 11 is baffle plate, and 12 is base, and 13 is portal frame, and 27 is Z-direction slide unit.
Fig. 2 is the side structure schematic diagram of Fig. 1; Wherein 14 is spindle motor.
Fig. 3 is the workpiece front view of the embodiment of the present invention.
Fig. 4 is the straight-line horizontal tool magazine schematic diagram of the embodiment of the present invention.
The agent structure schematic diagram of Fig. 5 second embodiment of the invention; Wherein: 15 is No. 1 slide unit, 16 is No. 2 slide units, and 17 is No. 3 slide units, and 18 is No. 4 slide units, and 19 is No. 1 gusset piece, and 20 is No. 2 gusset pieces.
The agent structure schematic diagram of Fig. 6 third embodiment of the invention; Wherein: 21 is left slide unit, and 22 is right slide unit.
The agent structure schematic diagram of Fig. 7 fourth embodiment of the invention; Wherein: 23 is A slide unit, 24 is B slide unit, and 25 is C slide unit, and 26 is main axle unit.
The specific embodiment
With reference to workpiece shown in Fig. 3, it need to process 6 tooth holes, 6 counterbores, 2 locating holes, and same structure product also has minimum 5 kinds of specifications in addition, and their structures are all this class flange-types, just in size, have several millimeters make a return journey, its every kind the specification moon demand all in 5,000 left and right.Because pitch of holes is smaller, multi-shaft device is once difficult to use, and the spacing of two dowel hole requires in positive and negative 0.03 millimeter, is also difficult to assurance by multi-shaft device precision; If with the special plane combining, it is minimum wants 7 multi-shaft devices just to combine the processing in each hole, and precision does not also ensure; Its kind is many again in addition, but the quantity of single variety is few again, and every kind of the word of exploitation special plane all need one, and equipment cost is just very high; And the size of this series products and morpheme all likely change every year, thereby relatively do not ensure very much with special plane; Though be guaranteed by traditional single shaft machining center machining accuracy, efficiency is very low again.But 10 Spindle Machining Centers in embodiment mono-in employing the present invention, it just can effectively solve the processing problems of such part.
Embodiment 1: shown in Fig. 1,2, this machining center of the present embodiment adopts the framework at 3 gantry arranged side by side; The numerical control servo slide unit that the X of its base is installed by left slide unit 1, middle slide unit 2,3 three independent parallel of right slide unit to slide unit forms, and wherein left slide unit 1 and right slide unit 3 are for installing part to be processed; Middle slide unit 2 is for the straight-line horizontal tool magazine shown in installation diagram 4.Y-direction slide unit 4 use servomotors 5 on its portal frame 13 and ball screw 6 drive its X to three slide units 1,2,3 between walking; Its Z-direction slide unit 27 adopts 7 and No. 2 rolling lead screws 8 of No. 2 servomotors to promote one to adopt a word equidistantly to arrange with 10 9,10 main axle units 9 of BT30 machining center main axle unit with tool changing device; Between the slide unit plate of Z-direction slide unit 27 and the slide unit plate of Y-direction slide unit 4, two nitrogen balance cylinders 10 have been installed, the pulling force of this compensating cylinder 10 just equals the whole vertical gravity summations that load on Z-direction slide unit 27 slide plates; Between three gantry, be separated with two baffle plates 11, for stopping that smear metal flies into tool magazine.
During work, first on left slide unit 1, install workpiece, after left start key, system forms three dimension system with left slide unit 1, Y-direction slide unit 4, Z-direction slide unit 27 automatically, carries out converted products; When wanting tool changing, Z-direction slide unit 27 is raised to top, and then Y-direction slide unit 4 moves to middle slide unit 2 positions, and Z-direction slide unit 27 is stretched down, becomes three dimension system to carry out the replacing of cutter with middle slide unit 2 with Y-direction slide unit 4 row; After cutter changing is good, Z-direction slide unit 27 is raised to top again, and Y-direction slide unit 4 moves to 1, left slide unit and continues to start converted products.When left slide unit 1 is during at converted products, right slide unit 3 just can carry out workpiece loading and unloading, after work-handling is good, click right start key, system gets final product etc. and automatically to allow Y-direction slide unit 4, Z-direction slide unit 27 form three dimension system with right slide unit 3 after left slide unit 1 product completion of processing to process the product on right slide unit 3; Now left slide unit 1 just can carry out workpiece loading and unloading, and after handling are good, by left start key, system is processed the product on left slide unit 1, so circulation after the product completion of processing on right slide unit 3 such as getting final product automatically.Left slide unit 1 can be not identical with the product of right slide unit 3, and system can be changed different cutters and processing route to left slide unit 1 from right slide unit 3 automatically.
The 10 main shaft forms that adopted a word equidistantly to arrange in above-described embodiment 1, can be according to the structure of the condition of work more main shafts of employing and different arrangement modes in practical application, and for example matrix is arranged, snakelike arrangement.Tool magazine mode also can adopt chain flat placed type, and the automatic tool changer of the patent No. machining center that is 200880010051.5, and the flat placed type magazine tool structure of different structure all can be used in the present invention according to condition of work; Tool magazine slide unit also can drive with steam-operating, hydraulic pressure.
Embodiment 2: shown in Fig. 5, this machining center of the present embodiment adopts the framework at 4 gantry arranged side by side; The X of its base is comprised of 17, No. 4 slide units 18 of 16, No. 3 slide units of 15, No. 2 slide units of No. 1 slide unit to slide unit, and 16 and No. 3 slide units 17 of its No. 2 slide units are for workpiece is installed, and adopts respectively independent numerical control servo-drive; No. 1 slide unit 15 is for tool magazine is installed, and the cutter of this tool magazine is used for the product use of processing No. 2 slide units 16, and its displacement transmission is fixed together the slide unit plate of 15 and No. 2 slide units 16 of No. 1 slide unit by No. 1 gusset piece 19, thereby realizes synchronous shift; Can reduce like this cost, and simplified control system.No. 4 slide units 18 are also for tool magazine is installed, and the cutter of this tool magazine is used for the product use of processing No. 3 slide units 17, and its displacement transmission is fixed together the slide unit plate of 17 and No. 4 slide units 18 of No. 3 slide units by No. 2 gusset pieces 20, thereby realizes synchronous shift.Its Y-direction slide unit is identical with the first embodiment with Z-direction slide unit structure.
The second embodiment implements different being from first: implementing one is to share tool magazine, and embodiment bis-is the independent tool magazines of difference; The tool magazine slide unit displacement transmission of embodiment mono-is to adopt independent numerical control servo drive in addition, and the second embodiment adopts and the slide unit synchronous shift that workpiece is installed, and shares same numerical control servo power.
Embodiment 3: shown in Fig. 6, this machining center of the present embodiment adopts the framework at 2 gantry arranged side by side; The X of its base is comprised of left slide unit 21, right slide unit 22 to slide unit, and adopts respectively independent numerical control servo-drive; Left slide unit 21 is with the front portion of right slide unit 22 all for workpiece is installed, and rear portion is all for installing tool magazine.Its Y-direction slide unit is identical with the first embodiment with Z-direction slide unit structure.
Be different from first and second embodiment of the 3rd embodiment: embodiment tri-has adopted workpiece and tool magazine to be arranged on same slide unit, simplify the structure like this, but the stroke of X-axis slide unit is also compared the length of first and second embodiment.
In above-described embodiment 3, tool magazine and workpiece are arranged on same slide unit altogether, also can tool magazine be arranged on according to condition of work to the top of workpiece slide unit in practical application, with linear bearing, tool magazine are installed, and go into provided with simple sliding table.
Embodiment 4: shown in Fig. 7, the present embodiment is different from the first embodiment to be: Z-direction slide unit has adopted A slide unit 23, B slide unit 24 and 25 3 slide unit compositions arranged side by side of C slide unit, and on the slide plate of each slide unit, has respectively filled two machining center main axle units 26 with the oil cylinder of forging a knife.The benefit of the relative embodiment mono-of the present embodiment is, when the requirement of workpiece depth tolerances is more consistent, can only with three, cutter be processed, and owing to being independent servo slide table, its degree of depth can be adjusted by input parameter easily.
In above-described embodiment 4, Z-direction slide unit has adopted three numerical control servo slide unit structures arranged side by side, in practical application, can adopt two and more slide unit parallel construction according to condition of work; The slide plate of its each slide unit also can be installed one or more main shaft.
The foregoing is only specific embodiments of the invention, but architectural feature of the present invention is not limited to this, any those skilled in the art, the variation of doing in the field of the invention or modification are all encompassed among the scope of the claims of the present invention.

Claims (7)

1. the many Spindle Machining Centers of planer-type, this machining center main body adopts gantry Machining Center framework, it mainly by base, portal frame, X to slide unit, Y-direction slide unit, Z-direction slide unit, main axle unit, composition of the control system; It is characterized in that: the X of its base by the parallel installation of two or more numerical control servo slide units, and has two slide units at least for part to be processed is installed to slide unit; Y-direction slide unit stroke on its portal frame can with numerical control servo be displaced into X to several slide units between; Its Z-direction slide unit is arranged on Y-direction slide unit, and on the slide plate of Z-direction slide unit, two or more is installed and is provided with the main shaft of automatic tool changer; The tool magazine of its automatic tool changer adopts flat placed type tool magazine.
2. the many Spindle Machining Centers of planer-type according to claim 1, is characterized in that: described flat placed type tool magazine is arranged on X on slide unit.
3. according to the many Spindle Machining Centers of planer-type described in claim 1-2 any one, it is characterized in that: described portal frame is many planer type structures arranged side by side.
4. according to the many Spindle Machining Centers of planer-type described in claim 1-3 any one, it is characterized in that: between the slide plate of described Z-direction slide unit and the slide plate of Y-direction slide unit, vertical compensating cylinder is installed.
5. according to the many Spindle Machining Centers of planer-type described in claim 1-4 any one, it is characterized in that: described X can be according to one or more gyroaxises of condition of work increase in demand to slide unit.
6. according to the many Spindle Machining Centers of planer-type described in claim 1-5 any one, it is characterized in that: described Z-direction slide unit is most control servo slide table structures arranged side by side.
7. the many Spindle Machining Centers of planer-type according to claim 6, is characterized in that: on the slide plate of described arranged side by side most control servo slide tables, two main shafts are installed.
CN201210408552.7A 2012-10-14 2012-10-14 Gantry type multiple-spindle machining center Pending CN103722378A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106078210A (en) * 2016-06-23 2016-11-09 蔡婕 A kind of numerical control drilling milling machine of numerical control multi-shaft double-workbench
CN109702249A (en) * 2017-10-26 2019-05-03 富鼎电子科技(嘉善)有限公司 Double five-axis machining apparatus
CN110280788A (en) * 2019-07-11 2019-09-27 包头职业技术学院 A kind of more main spindle numerical control vertical lathes of thin space
CN110450048A (en) * 2019-09-03 2019-11-15 东莞市欧比迪精密五金有限公司 Grinding device and CNC machine tool thereof
CN110834214A (en) * 2019-10-28 2020-02-25 安徽省临泉县智创精机有限公司 A dual-axis machining center

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003094274A (en) * 2001-09-26 2003-04-03 Olympus Optical Co Ltd Machining tool setup device and machining tool setup method
CN101653842A (en) * 2009-09-09 2010-02-24 安徽同兴科技发展有限责任公司 Multi-mainshaft numerical-control processing center
CN101780650A (en) * 2009-12-23 2010-07-21 常州市三利精机有限公司 Multi-spindle planer-type machining center
CN102172850A (en) * 2011-03-03 2011-09-07 梁刚 Central machining machine tool
CN201997999U (en) * 2011-01-21 2011-10-05 珠海三川工业自动化设备有限公司 Novel double-workbench high-speed processing center
CN202963989U (en) * 2012-10-14 2013-06-05 林志贺 Gantry-type multi-spindle machining center

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003094274A (en) * 2001-09-26 2003-04-03 Olympus Optical Co Ltd Machining tool setup device and machining tool setup method
CN101653842A (en) * 2009-09-09 2010-02-24 安徽同兴科技发展有限责任公司 Multi-mainshaft numerical-control processing center
CN101780650A (en) * 2009-12-23 2010-07-21 常州市三利精机有限公司 Multi-spindle planer-type machining center
CN201997999U (en) * 2011-01-21 2011-10-05 珠海三川工业自动化设备有限公司 Novel double-workbench high-speed processing center
CN102172850A (en) * 2011-03-03 2011-09-07 梁刚 Central machining machine tool
CN202963989U (en) * 2012-10-14 2013-06-05 林志贺 Gantry-type multi-spindle machining center

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106078210A (en) * 2016-06-23 2016-11-09 蔡婕 A kind of numerical control drilling milling machine of numerical control multi-shaft double-workbench
CN109702249A (en) * 2017-10-26 2019-05-03 富鼎电子科技(嘉善)有限公司 Double five-axis machining apparatus
CN110280788A (en) * 2019-07-11 2019-09-27 包头职业技术学院 A kind of more main spindle numerical control vertical lathes of thin space
CN110450048A (en) * 2019-09-03 2019-11-15 东莞市欧比迪精密五金有限公司 Grinding device and CNC machine tool thereof
CN110834214A (en) * 2019-10-28 2020-02-25 安徽省临泉县智创精机有限公司 A dual-axis machining center
CN110834214B (en) * 2019-10-28 2021-01-01 安徽省临泉县智创精机有限公司 A dual-axis machining center

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Application publication date: 20140416