CN104842222A - Machining center using four-shaft hydraulic clamping clamp - Google Patents

Machining center using four-shaft hydraulic clamping clamp Download PDF

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Publication number
CN104842222A
CN104842222A CN201510214456.2A CN201510214456A CN104842222A CN 104842222 A CN104842222 A CN 104842222A CN 201510214456 A CN201510214456 A CN 201510214456A CN 104842222 A CN104842222 A CN 104842222A
Authority
CN
China
Prior art keywords
axle
turning table
hydraulic cylinder
machining center
work turning
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201510214456.2A
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Chinese (zh)
Inventor
李爱军
罗家海
刘杜军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Foshan Pratic CNC Science and Technology Co Ltd
Original Assignee
Foshan Pratic CNC Science and Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Foshan Pratic CNC Science and Technology Co Ltd filed Critical Foshan Pratic CNC Science and Technology Co Ltd
Priority to CN201510214456.2A priority Critical patent/CN104842222A/en
Publication of CN104842222A publication Critical patent/CN104842222A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • B23Q37/00Metal-working machines, or constructional combinations thereof, built-up from units designed so that at least some of the units can form parts of different machines or combinations; Units therefor in so far as the feature of interchangeability is important
    • 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
    • B23Q3/02Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
    • B23Q3/06Work-clamping means
    • B23Q3/08Work-clamping means other than mechanically-actuated
    • B23Q3/082Work-clamping means other than mechanically-actuated hydraulically actuated

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Machine Tool Units (AREA)

Abstract

A machining center using a four-shaft hydraulic clamping clamp comprises a tool body, a tool saddle, a column, a machine head, a worktable, a tool magazine, a spindle and a four-shaft hydraulic clamp. The tool saddle and the worktable are installed on the tool body, and the column is installed on the tool saddle. The spindle is installed on the machine head. The tool magazine is installed on the side face of the column. The four-shaft hydraulic clamp is installed on the worktable and comprises a working turntable main seat, a working turntable tail seat, main connecting plates, a working turntable, a positioning device, a thrust oil hydraulic cylinder, a swing support, a swing force guide plate, a force guide shaft and a force guide plate supporting seat. The machining center utilizes the thrust oil hydraulic cylinder, the swing support, the swing force guide plate and the force guide shaft to exert clamping force to a workpiece, so that the machining center is simple in structure, small in installing size and more compact in structure, space is greatly saved, and cost is saved. The clamping force is 100%, clamping effect is best, and machining accuracy and efficiency are higher.

Description

The machining center of a kind of use four axle hydraulic clamping fixtures
Technical field
The present invention relates to numerical control machine tool technique field, particularly relate to the machining center of a kind of use four axle hydraulic clamping fixtures.
Background technology
Numerical control machining center changes tradition with the artificially main mode of production, by the control of computer program, can complete various different process requirements, as milling, boring, bore hole, tapping etc., significantly shorten processing time-histories, reduce production cost, this is the maximum feature of Digit Control Machine Tool.
In numerical control machining center, the fixture of workpiece is the key factor affecting machining accuracy and working (machining) efficiency, existing fixture has higher precision and efficiency for most work pieces process, and some standard steel of existing clamping as the fixture of channel-section steel, I-steel add all can occur man-hour loosen have impact on processing do not reach higher precision and efficiency; And some enterprise to standard steel as channel-section steel, the processing of I-steel still adopts manual mode to process, and such precision is poorer, and effect is lower, and cost of labor is also higher.
Summary of the invention
The object of the invention is to solve the machining center that the problems such as the low and efficiency of prior art machining accuracy is low propose a kind of use four axle hydraulic clamping fixtures.
For reaching this object, the present invention by the following technical solutions:
Use a machining center for four axle hydraulic clamping fixtures, comprise lathe bed, saddle, column, head, workbench, tool magazine, main shaft and four axle hydraulically operated fixtures;
Described saddle and described workbench are all installed on lathe bed, and described column is installed on described saddle, and described head is installed on described column; Described main shaft is installed on described head; Described tool magazine is installed on the side of described column; Described four axle hydraulically operated fixtures are installed on described workbench;
Described four axle hydraulically operated fixtures comprise the Work turning table seat of honour, Work turning table tailstock, main connecting plate, Work turning table, for limit workpiece positioner, thrust oil hydraulic cylinder, swinging mounting, swing guide power plate for clamping work pieces, lead mechanical axis and lead power plate supporting seat;
Described Work turning table is connected with the described workbench seat of honour and described workbench tailstock by described connecting plate; Described positioner is installed on described Work turning table; Described workpiece is placed on described Work turning table; Described thrust oil hydraulic cylinder is installed on the bottom of described Work turning table by swinging mounting; It is hinged that described swinging mounting and described Work turning table pass through latch; Described mechanical axis one end of leading is connected with the output shaft of thrust oil hydraulic cylinder; The other end and described swing guide power plate hinged; Described swing guide power plate and the described power of leading plate supporting seat hinged; The described power of leading plate supporting seat is installed on the side of described Work turning table; The clamping force that described thrust oil hydraulic cylinder applies gives described workpiece by described swing guide power plate.
Preferably, described four axle hydraulically operated fixtures also comprise bracing frame; Support frame as described above is installed on the bottom of described Work turning table, described swinging mounting by latch and support frame as described above hinged.
Preferably, described swing guide power plate and described link of leading mechanical axis are provided with depression; Described recess is provided with connecting axle, described in lead mechanical axis and described connecting axle is hinged.
Preferably, described four axle hydraulically operated fixtures also comprise rotation oil hydraulic cylinder and cantilever, and described rotation oil hydraulic cylinder is installed on described positioner, and described cantilever is installed on the output shaft of described rotation oil hydraulic cylinder; Described cantilever and described absorption surface.
Preferably, described four axle hydraulically operated fixtures also comprise work keel, and described work keel is installed on described Work turning table, between described workpiece and described Work turning table.
Preferably, leading power plate supporting seat described in is U-shaped supporting seat; The U-type groove of the described power of leading plate supporting seat is provided with connecting shaft; Described swing guide power plate is provided with through hole; Described connecting shaft is connected with described swing guide power plate through described through hole.
Preferably, the top of described swing guide power plate is provided with M16 hexagon socket head cap screw, and described hex(agonal)screw and described workpiece promote to be connected.
Preferably, described positioner comprises X to positioner and Y-direction positioner, and described X is installed on the two ends of described Work turning table to positioner; Described Y-direction positioner is installed on the side contrary with described thrust oil hydraulic cylinder of described Work turning table.
Preferably, X is that X is to location-plate to positioner; Described Y-direction positioner is Y-direction location-plate; Described rotation oil hydraulic cylinder is installed on described X to location-plate.
Preferably, described cantilever is installed on by screw on the output shaft of described rotation oil hydraulic cylinder; Described cantilever is 7 fonts, and the contact jaw of itself and described workpiece is provided with flexible glue.
The present invention utilizes thrust oil hydraulic cylinder, swinging mounting, swing guide power plate and leads mechanical axis and clamping force is applied to workpiece, and such structure is simple, and installation dimension is little, and structure is compacter, greatly saves space and reduces costs; And clamping force is 100%, clamping effect is best, and precision and the efficiency of processing are higher.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention's specific embodiment.
Fig. 2 is the structural representation of the present invention four axle hydraulically operated fixture.
Fig. 3 is the decomposed schematic diagram of the present invention four axle hydraulically operated fixture.
Fig. 4 is the enlarged drawing at the A place of Fig. 2.
Fig. 5 is the structural representation of Work turning table of the present invention.
Wherein: the Work turning table seat of honour 1, Work turning table tailstock 2, connecting plate 3, Work turning table 4, workpiece 5, positioner 6, thrust oil hydraulic cylinder 7, rotates oil hydraulic cylinder 10, cantilever 11, work keel 12, swinging mounting 13, swing guide power plate 14, bracing frame 15, leads mechanical axis 16, guide plate supporting seat 17, latch 18, turning cylinder 19, connecting pin 20, main shaft 23, lathe bed 24, tool magazine 25, column 26, workbench 28, X to positioner, X to location-plate 61, Y-direction positioner, Y-direction positioner 62, hex(agonal)screw 100, installing hole 101.
Detailed description of the invention
Technical scheme of the present invention is further illustrated by detailed description of the invention below in conjunction with accompanying drawing.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, the machining center of a kind of use four axle hydraulic clamping fixtures, comprises lathe bed 24, saddle, column 26, head, workbench 28, tool magazine 25, main shaft 23 and four axle hydraulically operated fixtures;
Described saddle and described workbench 28 are all installed on lathe bed 24, and described column 26 is installed on described saddle, and described head is installed on described column 26; Described main shaft 23 is installed on described head; Described tool magazine 25 is installed on the side of described column 26; Described four axle hydraulically operated fixtures are installed on described workbench 28;
Described four axle hydraulically operated fixtures comprise the Work turning table seat of honour 1, Work turning table tailstock 2, main connecting plate 3, Work turning table 4, for limit workpiece 5 positioner 6, thrust oil hydraulic cylinder 7, swinging mounting 13, swing guide power plate for clamping work pieces 5, lead mechanical axis 16 and lead power plate supporting seat 17;
Described Work turning table 4 is connected with the described workbench seat of honour 1 and described workbench tailstock 2 by described connecting plate 3; Described positioner 6 is installed on described Work turning table 4; Described workpiece 5 is placed on described Work turning table 4; Described thrust oil hydraulic cylinder 7 is installed on the bottom of described Work turning table 4 by swinging mounting 13; Described swinging mounting 13 is hinged by latch 18 with described Work turning table 4; Described mechanical axis 15 one end of leading is connected with the output shaft of thrust oil hydraulic cylinder 7; The other end and described swing guide power plate 14 hinged; Described swing guide power plate 14 is hinged with the described power of leading plate supporting seat 17; The described power of leading plate supporting seat is installed on the side of described Work turning table 4; The clamping force that described thrust oil hydraulic cylinder 7 applies gives described workpiece 5 by described swing guide power plate 14.
Described workpiece 5 (I-steel or channel-section steel) is placed on described Work turning table 4, then utilizes positioner 6 to carry out X to described workpiece 5 and locate to Y-direction, then clamp described workpiece 5 with described thrust oil hydraulic cylinder 7; Described workpiece 5 is processed after clamping.After described workpiece 5 clamps, under the effect of motor, slide block rail along the line and rack-and-pinion move, and drive described saddle to move, and realize the movement of described saddle in X-direction; Described saddle is equipped with line rail and screw mandrel, under the effect of motor and screw mandrel, is moved by slide block rail along the line, drive described column 26 in the movement of Y direction; Described column 26 is equipped with line rail and screw mandrel, under the effect of described motor and described screw mandrel, is moved along described line rail by slide block, drive described head to move in the direction of Z axis; Main shaft 23 is arranged on head, then has described workpiece 5 to rotate with described Work turning table 4, realizes four-axle linkedly processing workpiece.Swinging mounting 13 is driven by using, described thrust oil hydraulic cylinder 7 is made to have swing process, thus make described swing guide power plate 14 in swing process, apply the power of clamping to described workpiece, this ensure that clamping force can to a great extent to described workpiece, the better effects if of such clamping, thus the efficiency and the precision that improve processing, and structure is simple, it is convenient to install, and cost is low.At this, thrust oil hydraulic cylinder 7 being described, is determine according to the length of described workpiece 5.
Preferably, described four axle hydraulically operated fixtures also comprise bracing frame 15; Support frame as described above 15 is installed on the bottom of described Work turning table 4, and described swinging mounting is hinged by latch 18 and support frame as described above 15.
Support frame as described above 15 facilitates the installation of described swinging mounting 13, and described latch 18 can make the swing of described swinging mounting 13 stablize, and structure is simple, and cost is low.Lead by described the swing that mechanical axis 16 drives described swing guide power plate 14, structure is simple, and cost is low.
Preferably, described swing guide power plate 14 is provided with depression with described link of leading mechanical axis 16; Described recess is provided with connecting pin 20, described in lead mechanical axis 16 hinged with described connecting pin 20.
Arrange that described groove is convenient installs described connecting pin 20, thus convenient described in lead the hinged of mechanical axis 16 and described connecting pin 20, lead the swing that mechanical axis 16 drives described swing guide power plate 14 described in such connection ensures, and structure is simple, cost is low.
Preferably, described four axle hydraulically operated fixtures also comprise rotation oil hydraulic cylinder 10 and cantilever 11, and described rotation oil hydraulic cylinder is installed on described positioner 6, and described cantilever 11 is installed on the output shaft of described rotation oil hydraulic cylinder 10; Described cantilever 11 contacts with described workpiece 5.
Described fixture also comprises rotation oil hydraulic cylinder 10 and cantilever 11 makes described workpiece 5 with more stable in described Work turning table 4 rotation process, and clamping effect is better.
Preferably, described four axle hydraulically operated fixtures also comprise work keel 12, and described work keel 12 is installed on described Work turning table 4, between described workpiece 5 and described Work turning table 4.
Described work keel 12 is set and ensures that cutter can not cut described workbench 28 in process, ensure that described workbench 28 can not damage.
Preferably, power plate supporting seat 17 is led described in for U-shaped supporting seat; The U-type groove of the described power of leading plate supporting seat 17 is provided with turning cylinder 19; Described swing guide power plate 14 is provided with through hole; Described turning cylinder 19 is connected with described swing guide power plate 14 through described through hole.
The described power of leading plate supporting seat 17 is U-shaped supporting seat, facilitates the installation of described turning cylinder 19, thus facilitates the connection of swing guide power plate 14 and the described power of leading plate supporting seat 17 and described swing guide power plate; And be are swings in order to coordinate described swing guide power plate 14 at turning cylinder 19, described swing guide power plate 14 is swung with the axle center of described turning cylinder 19, swings stable, effective; And structure is simple, install simple, quick; Cost is low.
Utilize lever principle, rotational pin 19 is balance pivot, when the center of described screw 100 and described connecting pin 20 from described rotational pin 19 apart from time identical, the power that described thrust oil hydraulic cylinder 7 is released is identical with the power that screw 100 acts on workpiece, loss that can not be strong.
Preferably, the top of described swing guide power plate 14 is provided with M16 hexagon socket head cap screw 100, and described hex(agonal)screw 100 promotes to be connected with described workpiece 5.
Screw is quick and easy for installation, and the contact surface of screw and described workpiece 5 is few, can reduce the wearing and tearing of described workpiece 5.
Preferably, described positioner 6 comprises X to positioner 61 and Y-direction positioner 62, and described X is installed on the two ends of described Work turning table 4 to positioner 61; Described Y-direction positioner 62 is installed on the side contrary with described thrust oil hydraulic cylinder 7 of described Work turning table 4.
Described X to positioner 61 and described Y-direction positioner 62 make described workpiece 5 add ensure that man-hour X to can not the moving of Y-direction, keep stability, and described Y-direction positioner 62 and described thrust oil hydraulic cylinder 7 are installed on the both sides of described Work turning table 4 respectively, described like this thrust oil hydraulic cylinder 7 leans on to described Y-direction positioner 62 at the described workpiece 5 of promotion, so just reaches the object clamping described workpiece 5.
Preferably, X is that X is to location-plate 61 to positioner 61; Described Y-direction positioner 62 is Y-direction location-plate 62; Described rotation oil hydraulic cylinder 10 is installed on described X to location-plate 61.
Employing positioning plate structure is simple, easy for installation, quick, and cost is low; Described rotation oil hydraulic cylinder 10 is installed on described X on location-plate 61, makes the structure when clamping described workpiece and being effective compacter; Structure space.
As shown in Figure 5, preferably, described cantilever 11 is installed on by screw on the output shaft of described rotation oil hydraulic cylinder 10; Described cantilever 11 is 7 fonts, and the contact jaw of itself and described workpiece 5 is provided with flexible glue.
Described cantilever 11 is installed on described rotation oil hydraulic cylinder by screw, quick and easy for installation; Described cantilever 11 is 7 fonts, and the contact jaw of itself and described workpiece 5 is provided with flexible glue and comes workpiece pressing surface, can reduce the wearing and tearing of workpiece; And 7 described cantilevers 11 of font, processing is needed in the porose position of flexible glue compacted position annex, the interference of meeting main shaft and described cantilever 11 can not be caused, if general described cantilever 11 will need the length lengthening cutter, just can avoid adding main shaft and the interference of described cantilever 11 in man-hour, but the power of the longer processing of the length of cutter is less, and precision is poorer, even cutter also has the possibility damaged.
Preferably, the surfaces, four, front and back up and down of described Work turning table 4 are provided with along X to the equidistant installing hole 101 extended.
Described installing hole 101 is convenient installs described X to location-plate 6, Y-direction location-plate 62, workpiece keel 12 and thrust oil hydraulic cylinder 7, makes the position that they can regulate on described Work turning table 4 according to the size of workpiece.
Below know-why of the present invention is described in conjunction with specific embodiments.These describe just in order to explain principle of the present invention, and can not be interpreted as limiting the scope of the invention by any way.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other detailed description of the invention of the present invention, and these modes all will fall within protection scope of the present invention.

Claims (10)

1. use a machining center for four axle hydraulic clamping fixtures, it is characterized in that: comprise lathe bed, saddle, column, head, workbench, tool magazine, main shaft and four axle hydraulically operated fixtures;
Described saddle and described workbench are all installed on lathe bed, and described column is installed on described saddle, and described head is installed on described column; Described main shaft is installed on described head; Described tool magazine is installed on the side of described column; Described four axle hydraulically operated fixtures are installed on described workbench;
Described four axle hydraulically operated fixtures comprise the Work turning table seat of honour, Work turning table tailstock, main connecting plate, Work turning table, for limit workpiece positioner, thrust oil hydraulic cylinder, swinging mounting, swing guide power plate for clamping work pieces, lead mechanical axis and lead power plate supporting seat;
Described Work turning table is connected with the described workbench seat of honour and described workbench tailstock by described connecting plate; Described positioner is installed on described Work turning table; Described workpiece is placed on described Work turning table; Described thrust oil hydraulic cylinder is installed on the bottom of described Work turning table by swinging mounting; It is hinged that described swinging mounting and described Work turning table pass through latch; Described mechanical axis one end of leading is connected with the output shaft of thrust oil hydraulic cylinder; The other end and described swing guide power plate hinged; Described swing guide power plate and the described power of leading plate supporting seat hinged; The described power of leading plate supporting seat is installed on the side of described Work turning table; The clamping force that described thrust oil hydraulic cylinder applies gives described workpiece by described swing guide power plate.
2. the machining center of use four axle hydraulic clamping fixture according to claim 1, is characterized in that: described four axle hydraulically operated fixtures also comprise bracing frame; Support frame as described above is installed on the bottom of described Work turning table, described swinging mounting by latch and support frame as described above hinged.
3. the machining center of use four axle hydraulic clamping fixture according to claim 2, is characterized in that: described swing guide power plate and described link of leading mechanical axis are provided with depression; Described recess is provided with connecting axle, described in lead mechanical axis and described connecting axle is hinged.
4. the machining center of use four axle hydraulic clamping fixture according to claim 3, it is characterized in that: described four axle hydraulically operated fixtures also comprise rotation oil hydraulic cylinder and cantilever, described rotation oil hydraulic cylinder is installed on described positioner, and described cantilever is installed on the output shaft of described rotation oil hydraulic cylinder; Described cantilever and described absorption surface.
5. the machining center of use four axle hydraulic clamping fixture according to claim 4, it is characterized in that: described four axle hydraulically operated fixtures also comprise work keel, described work keel is installed on described Work turning table, between described workpiece and described Work turning table.
6. standard according to claim 5 uses the machining center of four axle hydraulic clamping fixtures, it is characterized in that: described in lead power plate supporting seat be U-shaped supporting seat; The U-type groove of the described power of leading plate supporting seat is provided with connecting shaft; Described swing guide power plate is provided with through hole; Described connecting shaft is connected with described swing guide power plate through described through hole.
7. the machining center of use four axle hydraulic clamping fixture according to claim 6, is characterized in that: the top of described swing guide power plate is provided with M16 hexagon socket head cap screw, and described hex(agonal)screw and described workpiece promote to be connected.
8. the machining center of use four axle hydraulic clamping fixture according to claim 6, is characterized in that: described positioner comprises X to positioner and Y-direction positioner, and described X is installed on the two ends of described Work turning table to positioner; Described Y-direction positioner is installed on the side contrary with described thrust oil hydraulic cylinder of described Work turning table.
9. the machining center of use four axle hydraulic clamping fixture according to claim 7, is characterized in that: X is that X is to location-plate to positioner; Described Y-direction positioner is Y-direction location-plate; Described rotation oil hydraulic cylinder is installed on described X to location-plate.
10. the machining center of use four axle hydraulic clamping fixture according to claim 4, is characterized in that: described cantilever is installed on the output shaft of described rotation oil hydraulic cylinder by screw; Described cantilever is 7 fonts, and the contact jaw of itself and described workpiece is provided with flexible glue.
CN201510214456.2A 2015-04-29 2015-04-29 Machining center using four-shaft hydraulic clamping clamp Pending CN104842222A (en)

Priority Applications (1)

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CN201510214456.2A CN104842222A (en) 2015-04-29 2015-04-29 Machining center using four-shaft hydraulic clamping clamp

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Application Number Priority Date Filing Date Title
CN201510214456.2A CN104842222A (en) 2015-04-29 2015-04-29 Machining center using four-shaft hydraulic clamping clamp

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0712682A2 (en) * 1994-11-19 1996-05-22 Maschinenfabrik Berthold Hermle Aktiengesellschaft Machine tool, especially boring and drilling machine
EP2127801A1 (en) * 2007-02-27 2009-12-02 OKS Co., Ltd. Clamp
CN202447934U (en) * 2011-12-26 2012-09-26 宁波市北仑精典工装机床附件有限公司 Tool for machining expansion valve base of air conditioner
CN103240644A (en) * 2013-05-13 2013-08-14 江苏欧马史宾纳数控机床有限公司 Five-axis processing machine with optical rulers
CN103465110A (en) * 2013-08-26 2013-12-25 安徽省鸿庆精机有限公司 Machine tool structure with three-spindle vertical machining center
CN203579278U (en) * 2013-12-04 2014-05-07 泉州隆硕纺织机械科技有限公司 Novel portable clamping device
CN104400566A (en) * 2014-12-03 2015-03-11 佛山市普拉迪数控科技有限公司 High intensity profile machining center

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0712682A2 (en) * 1994-11-19 1996-05-22 Maschinenfabrik Berthold Hermle Aktiengesellschaft Machine tool, especially boring and drilling machine
EP2127801A1 (en) * 2007-02-27 2009-12-02 OKS Co., Ltd. Clamp
CN202447934U (en) * 2011-12-26 2012-09-26 宁波市北仑精典工装机床附件有限公司 Tool for machining expansion valve base of air conditioner
CN103240644A (en) * 2013-05-13 2013-08-14 江苏欧马史宾纳数控机床有限公司 Five-axis processing machine with optical rulers
CN103465110A (en) * 2013-08-26 2013-12-25 安徽省鸿庆精机有限公司 Machine tool structure with three-spindle vertical machining center
CN203579278U (en) * 2013-12-04 2014-05-07 泉州隆硕纺织机械科技有限公司 Novel portable clamping device
CN104400566A (en) * 2014-12-03 2015-03-11 佛山市普拉迪数控科技有限公司 High intensity profile machining center

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