CN105382603A - Grinding material water jet cutting and milling universal fixture - Google Patents
Grinding material water jet cutting and milling universal fixture Download PDFInfo
- Publication number
- CN105382603A CN105382603A CN201510967135.XA CN201510967135A CN105382603A CN 105382603 A CN105382603 A CN 105382603A CN 201510967135 A CN201510967135 A CN 201510967135A CN 105382603 A CN105382603 A CN 105382603A
- Authority
- CN
- China
- Prior art keywords
- guide rail
- workpiece
- locating rack
- pipeline
- pressure
- 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.)
- Granted
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Classifications
-
- 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
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices 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
- B23Q3/06—Work-clamping means
- B23Q3/08—Work-clamping means other than mechanically-actuated
-
- 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
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices 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
- B23Q3/06—Work-clamping means
- B23Q3/08—Work-clamping means other than mechanically-actuated
- B23Q3/082—Work-clamping means other than mechanically-actuated hydraulically actuated
Abstract
The invention discloses a grinding material water jet cutting and milling universal fixture which comprises guide rail support racks and an infrared sensor, wherein the guide rail support racks are mounted in parallel at intervals; two ends of each guide rail support rack are respectively fixed on a machine tool rack through bolts; positioning frames sliding along the guide rail support racks are mounted on the guide rail support racks; the cross sections of the positioning frames are of inverted-'T'-shaped structures; a workpiece is mounted between the two adjacent positioning frames; air clampers are mounted on outer side platforms of the positioning frames at intervals and are controlled through an air clamping system; positioning blocks are mounted in the middles of the outer side platforms of the positioning frames; hydraulic fixing devices are mounted on the positioning frames at the lower parts of the positioning blocks and are controlled through a hydraulic fixing system; the infrared sensor is mounted at the end part of inner side platforms of the positioning frames; and piezoresistive sensors are further mounted on the inner side platforms of the positioning frames and are fixed above the workpiece. The grinding material water jet cutting and milling universal fixture is high in machining efficiency, and the machining quality of the workpiece is excellent.
Description
Technical field
The present invention relates to jig technical field, especially a kind of abrasive water-jet cuts milling universal fixturing, to be cut and the Set and Positioning of Milling Process by this device to large complicated plate.
Background technology
Jig is mounted in a kind of device lathe being used for holding workpiece and guiding cutter tool setting, and its effect ensures that the position of the relative lathe of workpiece and cutter is correct, and clamped reliably by workpiece.Current, the fixture of lathe is categorized as manual, air-actuated jaw, hydraulically operated fixture, magnetic holding device, vacuum fixture etc.
Abrasive Waterjet Machining Technology is a kind of special processing technology that development in recent years is got up, and the abrasive material of its mixing of being ejected by nozzle and water are processed workpiece.On the one hand, add the workpiece surface quality after affecting processing of choosing of technological parameter in man-hour, on the other hand, the surface quality that also can affect the rear workpiece of processing located effectively accurately and reliably by workpiece.Because abrasive water-jet lathe adopts grid support workpiece, manually utilize pressure head by Workpiece clamping on grid, add the secondary process time of workman, reduce production efficiency, carrying out in Precision Machining, work pieces process cannot ensure its precision due to clamping problem.
Summary of the invention
The applicant is for the shortcoming in above-mentioned existing production technology, a kind of abrasive water-jet rational in infrastructure is provided to cut milling universal fixturing, thus large complicated sheet material is cut and the Set and Positioning of Milling Process, by clamping and positioning mode that is pneumatic, combination of surging, achieve in conjunction with abrasive water-jet five-axle numerical control system and the highly flexible semi-automation of workpiece is controlled, both fast and reliable clamping had been achieved, significantly reduce labor strength again, thus improve processing efficiency, also ensure precision machined reliability.
The technical solution adopted in the present invention is as follows:
A kind of abrasive water-jet cuts milling universal fixturing, comprise the guide rail supporting frame of spaced and parallel installation, the two ends of described guide rail supporting frame are respectively by being bolted on machine tool frame, described guide rail supporting frame is provided with the locating rack slided along it, the cross section of described locating rack becomes inverse-T-shaped structure, between adjacent two locating racks, workpiece is installed, on the outside platform being positioned at locating rack, interval is provided with air clamper, described air clamper is by pneumatic pinch Systematical control, in the middle part of the outside platform being positioned at locating rack, locating piece is installed, the locating rack of described locating piece bottom is provided with hydraulic fixing device, described hydraulic fixing device is controlled by hydraulic pressure fixed system, also comprise infrared ray sensor, described infrared ray sensor is arranged on the end of the inner side platform of locating rack, is positioned at inside locating rack and platform is also provided with piezoresistive transducer, and described piezoresistive transducer is fixed on the below of workpiece.
Further improvement as technique scheme:
The structure of air clamper is: pedestal, described pedestal installs cylinder block, the top of described cylinder block is provided with connector, the piston rod of described cylinder block installs support arm through its head that coexists in the middle part of connector, the end of described support arm is by pin installing connecting rods, the head of described connecting rod is provided with pressure head by nut, and described pressure head becomes inverted cone structure, and described pressure head pushes down surface of the work;
The structure of described pneumatic pinch system is: comprise the water-separating gas filter, oil sprayer, pressure regulator, the first check valve and the distributing valve that are connected successively by pipeline, pipeline between described pressure regulator and the first check valve is installed the first Pressure gauge, described distributing valve is connected with cylinder by pipeline, from the pipeline that distributing valve enters to cylinder, be also provided with choke valve;
The structure of described hydraulic pressure fixed system is: hydraulic pump, described hydraulic pump one end connects fuel tank, the other end is connected with the second check valve, reversal valve and hydraulic cylinder in turn by pipeline, described hydraulic pump is driven by motor, the pipeline between described hydraulic pump and the second check valve is provided with overflow valve and the second Pressure gauge; Pipeline between described second check valve and reversal valve is provided with pressure switch and bladder accumulator;
The bottom of described locating rack has rectangular aperture groove, and described rectangular aperture groove coordinates clamping with guide rail supporting frame.
Beneficial effect of the present invention is as follows:
Compact conformation of the present invention, rationally, easy to operate, this abrasive water-jet is used to cut milling universal fixturing, devise a set of pneumohydraulic built-up jig, by pneumatic clamping device Quick-clamped and reliable location, simultaneously, by hydraulic fixing device hydraulic cylinder piston move back and forth the way moving driving locating rack, and when ensureing certain oil pressure, reliable clamping and positioning is carried out to workpiece, achieve the flexibility semi-automation control large complicated plate being added to man-hour, alleviate hand labor intensity, again can by ensureing the tram of workpiece relative to lathe and cutter (nozzle), carry out Precision Machining, obtain high-quality otch and surface topography, thus reduce workman's direct time of contact, improve the crudy of working (machining) efficiency and workpiece.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of air clamper of the present invention.
Fig. 3 is the schematic diagram of pneumatic pinch system of the present invention.
Fig. 4 is the schematic diagram of hydraulic pressure fixed system of the present invention.
Wherein: 1, bolt; 2, guide rail supporting frame; 3, locating rack; 4, workpiece; 5, air clamper; 501, nut; 502, connecting rod; 503, pin; 504, support arm; 505, pressure head; 506, connector; 507, cylinder block; 508, pedestal; 509, infrared ray sensor; 6, locating piece; 7, hydraulic fixing device; 8, water-separating gas filter; 9, oil sprayer; 10, pressure regulator; 11, the first Pressure gauge; 12, the first check valve; 13, distributing valve; 14, choke valve; 15, cylinder; 16, fuel tank; 17, hydraulic pump; 18, overflow valve; 19, the second check valve; 20, pressure switch; 21, reversal valve; 22, piston rod; 23, hydraulic cylinder; 24, bladder accumulator; 25, the second Pressure gauge; 26, motor.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described.
As shown in Figure 1, the abrasive water-jet of the present embodiment cuts milling universal fixturing, comprise the guide rail supporting frame 2 of spaced and parallel installation, the two ends of guide rail supporting frame 2 are fixed on machine tool frame respectively by bolt 1, guide rail supporting frame 2 is provided with the locating rack 3 slided along it, the cross section of locating rack 3 becomes inverse-T-shaped structure, between adjacent two locating racks 3, workpiece 4 is installed, on the outside platform being positioned at locating rack 3, interval is provided with air clamper 5, air clamper 5 is by pneumatic pinch Systematical control, in the middle part of the outside platform being positioned at locating rack 3, locating piece 6 is installed, the locating rack 3 of locating piece 6 bottom is provided with hydraulic fixing device 7, hydraulic fixing device 7 is controlled by hydraulic pressure fixed system, also comprise infrared ray sensor 509, infrared ray sensor 509 is arranged on the end of the inner side platform of locating rack 3, and be positioned at inside locating rack 3 and platform is also provided with piezoresistive transducer, piezoresistive transducer is fixed on the below of workpiece 4.
As shown in Figure 2, the structure of air clamper 5 is: pedestal 508, pedestal 508 is installed cylinder block 507, the top of cylinder block 507 is provided with connector 506, the piston rod of cylinder block 507 installs support arm 504 through its head that coexists in the middle part of connector 506, and the end of support arm 504 is by pin 503 installing connecting rods 502, and the head of connecting rod 502 is provided with pressure head 505 by nut 501, pressure head 505 one-tenth inverted cone structure, pressure head 505 pushes down workpiece 4 surface.
As shown in Figure 3, the structure of pneumatic pinch system is: comprise the water-separating gas filter 8, oil sprayer 9, pressure regulator 10, first check valve 12 and the distributing valve 13 that are connected successively by pipeline, pipeline between pressure regulator 10 and the first check valve 12 installs the first Pressure gauge 11, distributing valve 13 is connected with cylinder 15 by pipeline, from the pipeline that distributing valve 13 enters to cylinder 15, be also provided with choke valve 14.
As shown in Figure 4, the structure of hydraulic pressure fixed system is: hydraulic pump 17, hydraulic pump 17 one end connects fuel tank 16, the other end is connected with the second check valve 19, reversal valve 21 and hydraulic cylinder 23 in turn by pipeline, hydraulic pump 17 is driven by motor 26, the pipeline between hydraulic pump 17 and the second check valve 19 is provided with overflow valve 18 and the second Pressure gauge 25; Pipeline between second check valve 19 and reversal valve 21 is provided with pressure switch 20 and bladder accumulator 24.
The bottom of locating rack 3 has rectangular aperture groove, and rectangular aperture groove coordinates clamping with guide rail supporting frame 2.Locating rack 3 can be implemented in the way moving on guide rail supporting frame 2.
As shown in Figure 1, illustrated abrasive water-jet cuts milling universal fixturing and mainly comprises support platform apparatus (i.e. guide rail supporting frame 2), hydraulic fixing device 7, air clamper 5, displacement measuring device, device for pressure measurement etc.Abrasive water-jet adds man-hour to large-sized sheet material workpiece 4, workpiece 4 can by reliable location effectively determine workpiece 4 process after surface quality.Guide rail supporting frame 2 is fixed in five axle abrasive water-jet Digit Control Machine Tool frames by bolt 1, locating rack 3 can move around due to the rectangular aperture groove of below on guide rail supporting frame 2, automatically the way moving of locating rack 3 is controlled by hydraulic fixing device 7, thus the size conversion of sheet material workpiece 4 can be adapted at any time, simultaneously, be used for clamping it by the oil pressure of hydraulic pressure fixed system oil hydraulic circuit, be positioned at the air clamper 5 on locating rack 3, by the gas pressure of pneumatic pinch system, clamping and positioning carried out to four of workpiece 4 angles, infrared ray sensor 509 is fixed on locating rack 3, carry out workpiece 4 displacement signal acquisition, through spreading out of, process, the steps such as analysis, obtain workpiece 4 misalignment under corresponding operating mode, piezoresistive transducer is fixed on below workpiece 4, carry out the stressed signals collecting of workpiece 4, through spreading out of, process, the steps such as analysis, obtain workpiece 4 stressing conditions under corresponding operating mode.
As shown in Figure 2, the design of air clamper 5 of the present invention, after placing workpiece 4, to be adjusted to correct position with can accurate stable ground clamping work pieces 4 after ensureing upper gas according to sheet material shape by pressure head 505 and connecting rod 502.
As shown in Figure 3, air clamper 5 of the present invention is clamped by pneumatic pinch Systematical control, pneumatic pinch system utilizes the air compressor air that pipeline transmits to external world to compress, by the filtration of water-separating gas filter 8, oil sprayer 9 adds mist of oil and lubricates cylinder 15, pressure regulator 10, first check valve 12, distributing valve 13, choke valve 14 control the pressure of air, flow and flow direction, thus realize the clamping and positioning to workpiece 4.
As shown in Figure 4, the design of hydraulic fixing device 7 of the present invention, controlled by hydraulic pressure fixed system, when constant displacement pump fuel feeding, after the piston rod 22 clamping and positioning frame 3 of hydraulic cylinder 23, when bladder accumulator 24 is oil-filled, oil pressure increases, motor 26 circuit is cut off in pressure switch 20 action makes hydraulic pump 17 quit work, and pressure is kept by bladder accumulator 24.Overflow valve 18, second check valve 19, reversal valve 21 control the pressure of fluid, flow and flow direction.When pressure connects motor 26 again lower than pressure switch during predetermined pressure 20, make oil pump feed, oil pressure rises to original predetermined pressure.The loop of voltage regulation of band bladder accumulator 24 and interlock is utilized to realize driving the way moving of locating rack 3 and clamping workpiece 4.
Abrasive water-jet cuts after Milling Process terminates, and cut off all power supplys, clearing up and processing is on-the-spot, and break each device, each several part to be cleaned, dry etc. to process, and regularly carries out care and maintenance to each equipment.
More than describing is explanation of the invention, and be not the restriction to invention, limited range of the present invention, see claim, within protection scope of the present invention, can do any type of amendment.
Claims (5)
1. an abrasive water-jet cuts milling universal fixturing, it is characterized in that: the guide rail supporting frame (2) comprising spaced and parallel installation, the two ends of described guide rail supporting frame (2) are fixed on machine tool frame respectively by bolt (1), described guide rail supporting frame (2) is provided with the locating rack (3) slided along it, the cross section of described locating rack (3) becomes inverse-T-shaped structure, between adjacent two locating racks (3), workpiece (4) is installed, on the outside platform being positioned at locating rack (3), interval is provided with air clamper (5), described air clamper (5) is by pneumatic pinch Systematical control, in the middle part of the outside platform being positioned at locating rack (3), locating piece (6) is installed, the locating rack (3) of described locating piece (6) bottom is provided with hydraulic fixing device (7), described hydraulic fixing device (7) is controlled by hydraulic pressure fixed system, also comprise infrared ray sensor (509), described infrared ray sensor (509) is arranged on the end of the inner side platform of locating rack (3), be positioned on the platform of locating rack (3) inner side and be also provided with piezoresistive transducer, described piezoresistive transducer is fixed on the below of workpiece (4).
2. abrasive water-jet as claimed in claim 1 cuts milling universal fixturing, it is characterized in that: the structure of air clamper (5) is: pedestal (508), described pedestal (508) is installed cylinder block (507), the top of described cylinder block (507) is provided with connector (506), the piston rod of described cylinder block (507) installs support arm (504) through its head that coexists in the middle part of connector (506), the end of described support arm (504) is by pin (503) installing connecting rods (502), the head of described connecting rod (502) is provided with pressure head (505) by nut (501), described pressure head (505) becomes inverted cone structure, described pressure head (505) pushes down workpiece (4) surface.
3. abrasive water-jet as claimed in claim 1 cuts milling universal fixturing, it is characterized in that: the structure of described pneumatic pinch system is: comprise the water-separating gas filter (8) connected successively by pipeline, oil sprayer (9), pressure regulator (10), first check valve (12) and distributing valve (13), pipeline between described pressure regulator (10) and the first check valve (12) is installed the first Pressure gauge (11), described distributing valve (13) is connected with cylinder (15) by pipeline, from the pipeline that distributing valve (13) enters to cylinder (15), choke valve (14) is also installed.
4. abrasive water-jet as claimed in claim 1 cuts milling universal fixturing, it is characterized in that: the structure of described hydraulic pressure fixed system is: hydraulic pump (17), described hydraulic pump (17) one end connects fuel tank (16), the other end is connected with the second check valve (19), reversal valve (21) and hydraulic cylinder (23) in turn by pipeline, described hydraulic pump (17) is driven by motor (26), the pipeline between described hydraulic pump (17) and the second check valve (19) is provided with overflow valve (18) and the second Pressure gauge (25); Pipeline between described second check valve (19) and reversal valve (21) is provided with pressure switch (20) and bladder accumulator (24).
5. abrasive water-jet as claimed in claim 1 cuts milling universal fixturing, and it is characterized in that: the bottom of described locating rack (3) has rectangular aperture groove, described rectangular aperture groove coordinates clamping with guide rail supporting frame (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510967135.XA CN105382603B (en) | 2015-12-22 | 2015-12-22 | Abrasive water-jet cuts milling universal fixturing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510967135.XA CN105382603B (en) | 2015-12-22 | 2015-12-22 | Abrasive water-jet cuts milling universal fixturing |
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| Publication Number | Publication Date |
|---|---|
| CN105382603A true CN105382603A (en) | 2016-03-09 |
| CN105382603B CN105382603B (en) | 2018-03-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510967135.XA Active CN105382603B (en) | 2015-12-22 | 2015-12-22 | Abrasive water-jet cuts milling universal fixturing |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105667529A (en) * | 2016-04-11 | 2016-06-15 | 中车唐山机车车辆有限公司 | Railway vehicle |
| CN106401397A (en) * | 2016-11-27 | 2017-02-15 | 洛阳丰泰铝业有限公司 | Aluminum-wood door frame locating device |
| CN108115437A (en) * | 2016-11-28 | 2018-06-05 | 中核四0四有限公司 | A kind of heterotypic material positioning and clamping device |
| CN113798884A (en) * | 2021-10-11 | 2021-12-17 | 哈尔滨理工大学 | Adjustable sensor fixing device used in milling process |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105667529A (en) * | 2016-04-11 | 2016-06-15 | 中车唐山机车车辆有限公司 | Railway vehicle |
| CN106401397A (en) * | 2016-11-27 | 2017-02-15 | 洛阳丰泰铝业有限公司 | Aluminum-wood door frame locating device |
| CN108115437A (en) * | 2016-11-28 | 2018-06-05 | 中核四0四有限公司 | A kind of heterotypic material positioning and clamping device |
| CN113798884A (en) * | 2021-10-11 | 2021-12-17 | 哈尔滨理工大学 | Adjustable sensor fixing device used in milling process |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105382603B (en) | 2018-03-20 |
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Inventor after: Wu Meiping Inventor after: Jiu Xiaojin Inventor after: Chen Zhengxiong Inventor after: Qiang Zhengrong Inventor after: Song Lei Inventor after: Ye Feng Inventor before: Chen Zhengxiong Inventor before: Wu Meiping Inventor before: Zhang Wenchao Inventor before: Qiang Zhengrong Inventor before: Zhao Yanchao Inventor before: Wang Zhimin Inventor before: Zhang Yu Inventor before: Yu Haixia |
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