CN104148971A - Hole-milling clamping device for eccentric upper sealing head flange - Google Patents

Hole-milling clamping device for eccentric upper sealing head flange Download PDF

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Publication number
CN104148971A
CN104148971A CN201410371854.0A CN201410371854A CN104148971A CN 104148971 A CN104148971 A CN 104148971A CN 201410371854 A CN201410371854 A CN 201410371854A CN 104148971 A CN104148971 A CN 104148971A
Authority
CN
China
Prior art keywords
eccentric
hole
cylinder
clamping
locating ring
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
Application number
CN201410371854.0A
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Chinese (zh)
Other versions
CN104148971B (en
Inventor
王亮
李章文
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.)
SICHUAN FULIN GROUP CHENGDU MACHINE TOOL Co Ltd
Original Assignee
SICHUAN FULIN GROUP CHENGDU MACHINE TOOL 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 SICHUAN FULIN GROUP CHENGDU MACHINE TOOL Co Ltd filed Critical SICHUAN FULIN GROUP CHENGDU MACHINE TOOL Co Ltd
Priority to CN201410371854.0A priority Critical patent/CN104148971B/en
Publication of CN104148971A publication Critical patent/CN104148971A/en
Application granted granted Critical
Publication of CN104148971B publication Critical patent/CN104148971B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • 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
    • B23Q3/062Work-clamping means adapted for holding workpieces having a special form or being made from a special material
    • 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
    • B23Q2703/00Work clamping
    • B23Q2703/02Work clamping means
    • B23Q2703/04Work clamping means using fluid means or a vacuum
    • 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
    • B23Q2703/00Work clamping
    • B23Q2703/02Work clamping means
    • B23Q2703/10Devices for clamping workpieces of a particular form or made from a particular material

Abstract

The invention discloses a hole-milling clamping device for an eccentric upper sealing head flange. The hole-milling clamping device comprises a positioning ring, a positioning disc, air cylinders, electromagnetic valves and pressing heads, a set of circular-arc-shaped side walls and an eccentric positioning pin are arranged on the positioning disc, the circular-arc-shaped side walls form a cylindrical excircle, the inner-side surface of each circular-arc-shaped side wall and an end-portion plane are connected through a bevel, two bevels form a conical face, and the air cylinders extend and contract to drive the pressing heads to press or release a workpiece. By utilizing the hole-milling clamping device, processing of an axis hole, four through holes and a strip-shaped hole can be completed on a milling machine, and a sealing plate is clamped only once during processing, so that processing efficiency is improved; the sealing plate is fixed in position and quite easy to clamp, so that aligning difficulty is lowered, and inaccuracy in clamping is avoided; a reference is taken as a processing reference of the side walls, the four through holes and the strip-shaped hole, so that high uniformity is maintained, qualification rate of finished products is increased, and the finished product qualification rate is increased to be more than 97%.

Description

A kind of hole milling clamping device of eccentric upper cover flange
Technical field
The present invention relates to a kind of machly, specifically refer to a kind of hole milling clamping device of eccentric upper cover flange.
Background technology
Eccentric upper cover flange is a kind of special flange in pipeline circulation industry, as shown in Figure 1, it comprises a circular shrouding 101, on circular shrouding 101 axle center, offer axis hole 102, and on axis hole 102, be equipped with axis sleeve pipe 103, on shrouding 101, be provided with four four through holes 106 that are symmetric centered by axis, passing and fixing for measuring-signal termination, in the surrounding of shrouding 101, be provided with the strip hole 104 of arc, installation for seal, on shrouding 101, be also recessed to form an irregular groove 105, be used for installing signal measurement piece, its shape matches with it.
The processing technology of current eccentric upper cover flange is such: drill centers on discoid blank first, and then fine finishining forms axis hole 102; Take axis hole 102 as benchmark, utilize milling machine to carry out hole milling, process four through holes 106; Then process strip hole 104; Finally change bed and process groove 105, in such processing technology, each operation all will be changed corresponding milling machine, its benchmark clamping all will be changed at every turn, clamp is for the first time to take end face as benchmark, clamping is for the second time to take axis hole 102 as benchmark, clamps for the third time that need to take four through holes 106 be benchmark, clamps that also to take four through holes 106 be benchmark for the 4th time.The problem that this processing technology is followed is also clearly: working (machining) efficiency is low, and yield rate is lower, only has the product qualified rate of 70% left and right.
Summary of the invention
The object of the present invention is to provide a kind of hole milling clamping device of eccentric upper cover flange, solve clamping time length that current processing technology exists, inefficiency, problem that yield rate is low, reach the object of enhancing productivity, improve product qualified rate.
Object of the present invention is achieved through the following technical solutions:
A kind of hole milling clamping device of eccentric upper cover flange, comprise locating ring, locating ring is arranged on milling machine by a plurality of support columns, also comprise by clamping screw and be arranged on the positioning disk on milling machine, on positioning disk, be provided with sidewall and the eccentric alignment pin of one group of circular arc, the sidewall of circular arc forms the cylindrical of cylinder, between the inner surface of described circular arc sidewall and end plane, by an inclined-plane, is connected, and two inclined-planes form taper surfaces; Also comprise the cylinder being arranged on locating ring and the magnetic valve that drives cylinder, pressure head is installed on cylinder, the telescopic band dynamic head of cylinder compresses or decontrols workpiece.The present invention is the center device that applicant proposes according to new technique, applicant finds in processing technology for many years, the structural formula of upper cover flange is more special, the position of its end face upper groove can change, but the distance between blind cylindrical hole of notch end and the axis of flange is but fixed, in order to solve the problem of repeatedly changing milling machine in existing processing technology, applicant finds to take that through research for many years the end blind hole of groove is benchmark, can a plurality of positions of time processing, first, a positioning disk is installed in employing on the processing table top of milling machine by clamping screw, on positioning disk, be provided with the sidewall of one group of circular arc, and eccentric alignment pin, the sidewall of circular arc forms the cylindrical of cylinder, between the sidewall of two circular arcs, form vacancy, this vacancy has important effect, after putting into shrouding, can to shrouding, carry out from vacancy adjusting and the rotation of side, be conducive to rapid alignment location, this cylindrical is as the reference for installation of finished shrouding, during use, first blank is carried out to end face processing, be processed into after qualified end face, on another end face, mill out groove, by what process groove, one face down and put on positioning disk, rotate shrouding, alignment pin is inserted in groove blind hole, now shrouding no longer rotates, in packing the process of shrouding into, by two inclined-planes, form a taper surface, taper surface plays the effect of guiding to putting into of shrouding, be convenient to put into fast shrouding, thereby improve the speed clamping, location completes, utilize magnetic valve as switch drive cylinder, cylinder band dynamic head acts on shrouding, downwards shrouding is compressed, shrouding is at sidewall, alignment pin, and fixing under the mating reaction of pressure head, now, can on a milling machine, complete axis hole, four through holes, the processing in strip hole, in process, shrouding for once clamps, improved working (machining) efficiency, and position is fixed, be easy to clamp, reduced aligning difficulty, avoid occurring the inaccurate shape clamping, a benchmark is as sidewall simultaneously, four through holes, the machining benchmark in strip hole, keep higher uniformity, improved the qualification rate of finished product, product qualified rate is increased to more than 97%.
Described support column comprises a pair of column jacket that is arranged on a pair of inner prop of locating ring inner side and is arranged on locating ring outside, and inner prop and column jacket are evenly arranged on locating ring, and described cylinder is corresponding one by one with column jacket, and is bolted on respectively inside locating ring.As further improvement, applicant's employing is fixed inner prop and column jacket the mode of locating ring, can be so that the inside and outside stress equalization of locating ring, avoid the phenomenon that occurs that local pressure is excessive, meanwhile, the setting of column jacket, also for the installation of cylinder is provided with fixing position, makes whole compact conformation, space utilization is reasonable, has reduced whole volume.
Described cylinder is Dual-channel type cylinder, and its external channel drive shaft is rotated, and inner passage drives push rod flexible, and the top of push rod is connected with connecting rod, and pressure head is arranged on the end of connecting rod.Adopt twin-channel cylinder as power, after its external channel ventilation, can drive rotating shaft to rotate around its axis, then after inner passage ventilation, drive push rod flexible, thereby complete pressing down and decontroling shrouding, utilize action certainty and the conspicuousness of cylinder, can complete comparatively intuitively and clamp action.
On described connecting rod, be provided with screw, adjusting screw(rod) is installed in screw, pressure head is arranged on the lower end of adjusting screw(rod), is provided with locking nut on adjusting screw(rod).By coordinating of adjusting screw(rod) and locking nut, can realize the adjusting to pressure head, regulate its length and location, go for the processing of the upper cover flange of different model specification, strengthened practicality.
Described pressure head adopts abrasive rubber to make.The pressure head that adopts abrasive rubber to make, has wear-resisting, soft feature, can keep good pressure, has avoided again shrouding surface to occur the problem of cut, has improved further yield rate.
The present invention compared with prior art, has following advantage and beneficial effect:
The hole milling clamping device of a kind of eccentric upper cover flange of 1 the present invention, first blank is carried out to end face processing, be processed into after qualified end face, on another end face, mill out groove, by what process groove, one face down and put on positioning disk, rotate shrouding, alignment pin is inserted in groove blind hole, now shrouding no longer rotates, in packing the process of shrouding into, by two inclined-planes, form a taper surface, taper surface plays the effect of guiding to putting into of shrouding, be convenient to put into fast shrouding, thereby improve the speed clamping, location completes, utilize magnetic valve as switch drive cylinder, cylinder band dynamic head acts on shrouding, downwards shrouding is compressed, shrouding is at sidewall, alignment pin, and fixing under the mating reaction of pressure head, now, can on a milling machine, complete sidewall, four through holes, the processing in strip hole, in process, shrouding for once clamps, improved working (machining) efficiency, and position is fixed, be easy to clamp, reduced aligning difficulty, avoid occurring the inaccurate shape clamping, a benchmark is as sidewall simultaneously, four through holes, the machining benchmark in strip hole, keep higher uniformity, improved the qualification rate of finished product, product qualified rate is increased to more than 97%,
The hole milling clamping device of a kind of eccentric upper cover flange of 2 the present invention, employing is fixed inner prop and column jacket the mode of locating ring, can be so that the inside and outside stress equalization of locating ring, avoid the phenomenon that occurs that local pressure is excessive, meanwhile, the setting of column jacket, also for the installation of cylinder is provided with fixing position, makes whole compact conformation, space utilization is reasonable, has reduced whole volume;
The hole milling clamping device of a kind of eccentric upper cover flange of 3 the present invention, by coordinating of adjusting screw(rod) and locking nut, can realize the adjusting to pressure head, regulate its length and location, the processing that goes for the upper cover flange of different model specification, has strengthened practicality.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide the further understanding to the embodiment of the present invention, forms the application's a part, does not form the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of upper cover flange;
Fig. 2 is structural representation of the present invention.
Mark and corresponding parts title in accompanying drawing:
1-locating ring, 2-clamping screw, 3-positioning disk, 4-sidewall, 5-alignment pin, 6-cylinder, 7-magnetic valve, 8-pressure head, 9-inner prop, 10-column jacket, 11-rotating shaft, 12-push rod, 13-connecting rod, 14-adjusting screw(rod), 15-locking nut, 101-shrouding, 102-axis hole, 103-axis sleeve pipe, 104-strip hole, 105-groove, 106-through hole, 16-inclined-plane.
The specific embodiment
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, and exemplary embodiment of the present invention and explanation thereof are only for explaining the present invention, not as a limitation of the invention.
Embodiment
As shown in Figure 2, the hole milling clamping device of a kind of eccentric upper cover flange of the present invention, comprise locating ring 1, locating ring 1 is circular, the inner side of locating ring 1 is provided with a pair of inner prop 9, the outside of locating ring 1 is provided with a pair of column jacket 10, inner prop 9 is evenly arranged on locating ring 1 with column jacket 10, and the connecting line of the connecting line of inner prop 9 and column jacket 10 is in vertical distribution substantially, locating ring 1 is arranged on milling machine by inner prop 9 and column jacket 10, in the inner side of locating ring 1, be provided with and column jacket 10 cylinder 6 one to one, cylinder 6 is Dual-channel type cylinder, its external channel drive shaft 11 is rotated, inner passage drives push rod 12 flexible, the top of push rod 12 is connected with connecting rod 13, on connecting rod 13, be provided with screw, adjusting screw(rod) 14 is installed in screw, pressure head 8 is arranged on the lower end of adjusting screw(rod) 14, pressure head 8 adopts abrasive rubber to make, on adjusting screw(rod) 14, be provided with locking nut 15, also comprise by clamping screw 2 and be arranged on the positioning disk 3 on milling machine, positioning disk 3 and locating ring 1 be concentric substantially, on positioning disk 3, be provided with sidewall 4 and the eccentric alignment pin 5 of one group of circular arc, the sidewall 4 of circular arc forms the cylindrical of cylinder, between the inner surface of circular arc sidewall 4 and end plane, by an inclined-plane 16, be connected, two inclined-planes form taper surface, two inclined-planes are the part on same taper surface, after extending separately, can connect into an integral body according to tapering, during use, first blank is carried out to end face processing, be processed into after qualified end face, on another end face, mill out groove 105, by what process groove 105, one face down and put on positioning disk 3, rotate shrouding 101, alignment pin 5 is inserted in groove 105 blind holes, now shrouding 101 no longer rotates, location completes, utilize magnetic valve 7 as switch drive cylinder 6, cylinder 6 band dynamic heads 8 act on shrouding 101, downwards shrouding 101 is compressed, shrouding is at sidewall, alignment pin, and fixing under the mating reaction of pressure head, now, can on a milling machine, complete axis hole 102, four through holes 106, the processing in strip hole 104, in process, shrouding for once clamps, improved working (machining) efficiency.
The above-described specific embodiment; object of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the foregoing is only the specific embodiment of the present invention; the protection domain being not intended to limit the present invention; within the spirit and principles in the present invention all, any modification of making, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.

Claims (5)

1. the hole milling clamping device of an eccentric upper cover flange, comprise locating ring (1), locating ring (1) is arranged on milling machine by a plurality of support columns, it is characterized in that: also comprise by clamping screw (2) and be arranged on the positioning disk (3) on milling machine, on positioning disk (3), be provided with sidewall (4) and the eccentric alignment pin (5) of one group of circular arc, the sidewall of circular arc (4) forms the cylindrical of cylinder, between the inner surface of described circular arc sidewall (4) and end plane, by an inclined-plane (16), be connected, two inclined-planes form taper surfaces; Also comprise the cylinder (6) being arranged on locating ring (1) and the magnetic valve (7) that drives cylinder (6), pressure head (8) is installed on cylinder (6), the telescopic band dynamic head (8) of cylinder (6) compresses or decontrols workpiece.
2. the hole milling clamping device of a kind of eccentric upper cover flange according to claim 1, it is characterized in that: described support column comprises a pair of column jacket (10) that is arranged on a pair of inner prop (9) of locating ring (1) inner side and is arranged on locating ring (1) outside, inner prop (9) is evenly arranged on locating ring (1) with column jacket (10), described cylinder (6) is corresponding one by one with column jacket (10), and is bolted on respectively locating ring (1) inner side.
3. the hole milling clamping device of a kind of eccentric upper cover flange according to claim 1, it is characterized in that: described cylinder (6) is Dual-channel type cylinder, its external channel drive shaft (11) is rotated, inner passage drives push rod (12) flexible, the top of push rod (12) is connected with connecting rod (13), and pressure head (8) is arranged on the end of connecting rod (13).
4. the hole milling clamping device of a kind of eccentric upper cover flange according to claim 3, it is characterized in that: on described connecting rod (13), be provided with screw, adjusting screw(rod) (14) is installed in screw, pressure head (8) is arranged on the lower end of adjusting screw(rod) (14), is provided with locking nut (15) on adjusting screw(rod) (14).
5. according to the hole milling clamping device of a kind of eccentric upper cover flange described in any one in claim 1 to 4, it is characterized in that: described pressure head (8) adopts abrasive rubber to make.
CN201410371854.0A 2014-07-31 2014-07-31 A kind of hole milling clamping device of eccentric upper cover flange Expired - Fee Related CN104148971B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410371854.0A CN104148971B (en) 2014-07-31 2014-07-31 A kind of hole milling clamping device of eccentric upper cover flange

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410371854.0A CN104148971B (en) 2014-07-31 2014-07-31 A kind of hole milling clamping device of eccentric upper cover flange

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CN104148971A true CN104148971A (en) 2014-11-19
CN104148971B CN104148971B (en) 2016-05-25

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108000355A (en) * 2017-04-18 2018-05-08 宁波市鄞州逐新贸易有限公司 A kind of easily workpiece clamping device
CN109323644A (en) * 2018-10-16 2019-02-12 方志兰 A kind of shaft-like workpiece surface roundness detection instrument and shaft-like workpiece roundness measurement method
CN109405717A (en) * 2018-10-16 2019-03-01 方志兰 A kind of shaft-like workpiece circularity automatic checkout system

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201295848Y (en) * 2008-10-08 2009-08-26 沈阳飞机工业(集团)有限公司 Drilling combined clamp for flange series workpieces
JP2011104727A (en) * 2009-11-18 2011-06-02 Tadao Kobayashi Workpiece machining device and workpiece machining method
CN202021377U (en) * 2011-03-30 2011-11-02 宁波凯威特模架制造有限公司 Rapid clamping fixture system for milling machine processing
CN202479826U (en) * 2011-12-29 2012-10-10 长城汽车股份有限公司 Clamp for machining thread hole of flange by drill
CN203956594U (en) * 2014-07-31 2014-11-26 四川富临集团成都机床有限责任公司 A kind of hole milling clamping device of eccentric upper cover flange

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201295848Y (en) * 2008-10-08 2009-08-26 沈阳飞机工业(集团)有限公司 Drilling combined clamp for flange series workpieces
JP2011104727A (en) * 2009-11-18 2011-06-02 Tadao Kobayashi Workpiece machining device and workpiece machining method
CN202021377U (en) * 2011-03-30 2011-11-02 宁波凯威特模架制造有限公司 Rapid clamping fixture system for milling machine processing
CN202479826U (en) * 2011-12-29 2012-10-10 长城汽车股份有限公司 Clamp for machining thread hole of flange by drill
CN203956594U (en) * 2014-07-31 2014-11-26 四川富临集团成都机床有限责任公司 A kind of hole milling clamping device of eccentric upper cover flange

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108000355A (en) * 2017-04-18 2018-05-08 宁波市鄞州逐新贸易有限公司 A kind of easily workpiece clamping device
CN109323644A (en) * 2018-10-16 2019-02-12 方志兰 A kind of shaft-like workpiece surface roundness detection instrument and shaft-like workpiece roundness measurement method
CN109405717A (en) * 2018-10-16 2019-03-01 方志兰 A kind of shaft-like workpiece circularity automatic checkout system
CN109323644B (en) * 2018-10-16 2020-06-23 芜湖双翼航空装备科技有限公司 Shaft workpiece surface roundness detection tool and shaft workpiece roundness detection method

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