CN105081778A - Efficient and reliable locating clamp for gear reversing and shifting cantilever - Google Patents

Efficient and reliable locating clamp for gear reversing and shifting cantilever Download PDF

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Publication number
CN105081778A
CN105081778A CN201510469605.XA CN201510469605A CN105081778A CN 105081778 A CN105081778 A CN 105081778A CN 201510469605 A CN201510469605 A CN 201510469605A CN 105081778 A CN105081778 A CN 105081778A
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CN
China
Prior art keywords
workpiece
block
locating
pressing plate
holder
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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
CN201510469605.XA
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Chinese (zh)
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CN105081778B (en
Inventor
张涛
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CHONGQING SHANQING MACHINERY MANUFACTURING CO LTD
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CHONGQING SHANQING MACHINERY MANUFACTURING CO LTD
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Priority to CN201510469605.XA priority Critical patent/CN105081778B/en
Publication of CN105081778A publication Critical patent/CN105081778A/en
Application granted granted Critical
Publication of CN105081778B publication Critical patent/CN105081778B/en
Expired - Fee Related legal-status Critical Current
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P23/00Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
    • 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

Abstract

The invention discloses an efficient and reliable locating clamp for a gear reversing and shifting cantilever. The locating clamp comprises a base plate, a locating base and a locating base supporting block; two locating shafts on a workpiece locating block are inserted into corresponding installing holes of a workpiece respectively; each inclined face of a V-shaped opening of a V-shaped locating block is connected with a hard alloy block in a welded mode, and the hard alloy blocks compress the workpiece tightly from the left side and the right side behind the workpiece respectively; the end of a pressing plate is provided with a semicircular groove, and an oil hydraulic angle cylinder drives the pressing plate to rotate so that the end of the pressing plate can be pressed on the upper end face at the right rear portion of the workpiece; a locking threaded rod passes through a locking fixing block horizontally in an inclined mode and abuts against the left front wall of the workpiece; an implement end of a lever type oil hydraulic cylinder abuts against the middle of the front portion of the workpiece; a cantilever end of the workpiece is clamped through a limit fixing block and an elastic jacking mechanism. The locating clamp is applied to a vertical machining center, the workpiece can be clamped and located rapidly and accurately, the number of clamps and times of clamping are reduced, the working efficiency is improved, and the labor cost is reduced.

Description

A kind of gearshift cantilever positioning fixture that reverses gear of high efficient and reliable
Technical field
The present invention relates to a kind of speed changer parts machining fixture, be specifically related to a kind of gearshift cantilever positioning fixture that reverses gear of high efficient and reliable.
Background technology
Gearshift cantilever processing of reversing gear needs through multiple working procedure, and be included on numerically controlled lathe, honing machine, upright drill equipment and process, Problems existing is: clamping times is many, the circulation time long, easily cause resetting error and bump injury; Every procedure all needs one man operation, needs several operating personnel to coordinate.
Summary of the invention
The present invention aims to provide a kind of gearshift cantilever positioning fixture that reverses gear being exclusively used in the high efficient and reliable of vertical machining centre, processed by vertical machining centre after clamping completes, with the processing that numerically controlled lathe, honing machine, upright drill equipment in alternative conventional machining process complete, save operation and clamping times, enhance productivity.
For this reason, the technical solution adopted in the present invention is: a kind of gearshift cantilever positioning fixture that reverses gear of high efficient and reliable, comprise base plate, positioning pedestal and positioning pedestal back-up block, described positioning pedestal is arranged on above base plate by positioning pedestal back-up block, thus between positioning pedestal and base plate, vacate confined space for arranging oil line pipe, described positioning pedestal is provided with trade union college block, V-arrangement locating piece, elasticity jacking mechanism and the block that is locked, described base plate is also provided with spacing fixed block, hydraulic corner cylinder and lever type hydraulic cylinder;
Described Workpiece fixing block is installed with two perpendicular to base plate and the spaced apart locating shaft in left and right, two locating shafts insert in installing hole corresponding on workpiece respectively;
Described V-arrangement locating piece is positioned at the rear of trade union college block, and V-arrangement opening is just to trade union college block, each inclined-plane of V-arrangement opening is all welded with hard alloy blocks, and two hard alloy blocks are symmetrical set, respectively from the left and right sides at workpiece rear by Work-sheet pressing;
Described hydraulic corner cylinder is positioned at the rear of V-arrangement locating piece, hydraulic corner cylinder is provided with pressing plate, the termination of pressing plate is provided with the semicircle short slot mated with described locating shaft outer wall, hydraulic corner cylinder drives press plate rotary to make the termination of pressing plate be pressed on the upper surface of workpiece right back, and semicircle short slot just in time partly wraps in outside locating shaft simultaneously;
The described block that is locked is positioned at the left front of trade union college block, and tie down screw is against after flatly tilting through the block that is locked on the left front wall of workpiece;
Described lever type hydraulic cylinder is positioned at the dead ahead of trade union college block, and the actuating station of lever type hydraulic cylinder is against the anterior middle position place of workpiece;
Described spacing fixed block and elasticity jacking mechanism are arranged in the right side time interval of trade union college block, and the cantilever end of described workpiece reaches between spacing fixed block and elasticity jacking mechanism, and holds out against gear grips by spacing fixed block and elasticity.
During clamping, workpiece main body is arranged on two locating shafts of Workpiece fixing block, and the cantilever end of workpiece is placed between spacing fixed block and elasticity jacking mechanism, carries out just location to Workpiece fixing block; The left and right sides at workpiece rear portion compresses respectively by the hard alloy blocks on V-arrangement locating piece, the left front wall of workpiece is pushed against by lock-screw, lever type hydraulic cylinder is against the middle position place of workpiece front portion, press plate rotary is driven to make the termination of pressing plate be pressed on the upper surface of workpiece right back by hydraulic corner cylinder again, Workpiece clamping the most at last.
Be preferably, described elasticity jacking mechanism comprises holder, and the movable push rod, sprue and the spring that are arranged in holder, the head of described movable push rod is through reaching holder and spacing fixed block after holder, spring is positioned at the rear of movable push rod and is limited to holder by sprue; Described spacing fixed block comprises the bolt and nut component of hold-down support and level installation, and the bolt end of described bolt and nut component is between hold-down support and holder; The cantilever of described workpiece by bolt end and movable top bar cramp tight.Length is screwed into, to adapt to the cantilever clamping of different-thickness specification by what adjust the pretightning force of spring and bolt.
Beneficial effect of the present invention: pressing plate adopts semicircle short slot, to increase the contact area with workpiece, improves thrust; Vacateing confined space between positioning pedestal and base plate for arranging oil line pipe, being convenient to line arrangement and maintenance, to ensure that operating table surface is clean and tidy; Rationally distributed, design ingenious, be applied to vertical machining centre, can be located by Workpiece clamping quickly and accurately, workpiece face to be processed, facilitates the multiple location of machining center to workpiece to process just in time upward, compare conventional machining process, decrease fixture quantity and clamping times, improve operating efficiency, reduce human cost.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is workpiece installation design sketch on the invention.
Detailed description of the invention
Below by embodiment also by reference to the accompanying drawings, the invention will be further described:
Shown in composition graphs 1-Fig. 2, the gearshift cantilever positioning fixture that reverses gear of high efficient and reliable, primarily of compositions such as base plate 1, trade union college block 2, V-arrangement locating piece 3, spacing fixed block 4, elasticity jacking mechanism 5, the block 6 that is locked, hydraulic corner cylinder 7, lever type hydraulic cylinder 8, tie down screw 9, pressing plate 10, locating shaft 11, hard alloy blocks 12, positioning pedestal 13 and positioning pedestal back-up blocks 14.Wherein, positioning pedestal 13 is arranged on above base plate 1 by positioning pedestal back-up block 14, thus between positioning pedestal 13 and base plate 1, vacates confined space for arranging oil line pipe.Positioning pedestal 13 is provided with trade union college block 2, V-arrangement locating piece 3, elasticity jacking mechanism 5 and the block 6 that is locked, base plate 1 is also provided with spacing fixed block 4, hydraulic corner cylinder 7 and lever type hydraulic cylinder 8.
Workpiece fixing block 2 is installed with in two installing holes inserting correspondence on workpiece A perpendicular to base plate 1 left and right spaced apart locating shaft 11, two locating shafts 11 respectively.
V-arrangement locating piece 3 is positioned at the rear of trade union college block 2, and V-arrangement opening is just to trade union college block 2, each inclined-plane of V-arrangement opening is all welded with hard alloy blocks 12, and two hard alloy blocks 12 are symmetrical set, and are compressed by workpiece A respectively from the left and right sides at workpiece A rear.
Hydraulic corner cylinder 7 is positioned at the rear of V-arrangement locating piece 3, hydraulic corner cylinder 7 is provided with pressing plate 10, the termination of pressing plate 10 is provided with the semicircle short slot 10a mated with locating shaft 11 outer wall, hydraulic corner cylinder 7 drives pressing plate 10 rotation to make the termination of pressing plate 10 be pressed on the upper surface of workpiece A right back, and semicircle short slot 10a just in time partly wraps in outside locating shaft 11 simultaneously.Preferably, the rotational angle of pressing plate 10 is set to 90 °, just in time the upper surface of workpiece A right back is compressed (as shown in Figure 2).
The block 6 that is locked is positioned at the left front of trade union college block 2, and tie down screw 9 is against on the left front wall of workpiece A after flatly tilting through the block 6 that is locked.The relative afterbody in termination of tie down screw 9 tilts towards right side, arranges lever type hydraulic cylinder 8 with vacating space.Tie down screw 9 is pushed against workpiece at left front wall, and the pressing plate 10 that hydraulic corner cylinder 7 drives is pressed in the upper surface of workpiece A right back, deflects in process to prevent workpiece A.
Lever type hydraulic cylinder 8 is positioned at the dead ahead of trade union college block 2, and the actuating station of lever type hydraulic cylinder 8 is against the anterior middle position place of workpiece A.
Spacing fixed block 4 and elasticity jacking mechanism 5 are arranged in the right side time interval of trade union college block 2, and the cantilever end of workpiece A reaches between spacing fixed block 4 and elasticity jacking mechanism 5, and is clamped by spacing fixed block 4 and elasticity jacking mechanism 5.
Preferably, elasticity jacking mechanism 5 is by holder 5a, and movable push rod 5b, sprue 5c and the spring 5d be arranged in holder 5a forms.The head of movable push rod 5b is through reaching holder 5a and spacing fixed block 4 after holder 5a, spring 5d is positioned at the rear of movable push rod 5b and is limited to holder 5a by sprue 5c.The bolt and nut component 4b that spacing fixed block 4 is installed by hold-down support 4a and level forms.The bolt end of bolt and nut component 4b is between hold-down support 4a and holder 5a; The cantilever of workpiece A is clamped by bolt end and movable push rod 5b.

Claims (2)

1. the gearshift cantilever positioning fixture that reverses gear of a high efficient and reliable, comprise base plate (1), positioning pedestal (13) and positioning pedestal back-up block (14), it is characterized in that: described positioning pedestal (13) is arranged on base plate (1) top by positioning pedestal back-up block (14), thus confined space is vacateed for arranging oil line pipe between positioning pedestal (13) and base plate (1), described positioning pedestal (13) is provided with trade union college block (2), V-arrangement locating piece (3), elasticity jacking mechanism (5) and the block that is locked (6), described base plate (1) is also provided with spacing fixed block (4), hydraulic corner cylinder (7) and lever type hydraulic cylinder (8),
Described Workpiece fixing block (2) is installed with two perpendicular to base plate (1) and the spaced apart locating shaft in left and right (11), two locating shafts (11) are inserted in the upper corresponding installing hole of workpiece (A) respectively;
Described V-arrangement locating piece (3) is positioned at the rear of trade union college block (2), and V-arrangement opening is just to trade union college block (2), each inclined-plane of V-arrangement opening is all welded with hard alloy blocks (12), two hard alloy blocks (12) are symmetrical set, and are compressed by workpiece (A) respectively from the left and right sides at workpiece (A) rear;
Described hydraulic corner cylinder (7) is positioned at the rear of V-arrangement locating piece (3), hydraulic corner cylinder (7) is provided with pressing plate (10), the termination of pressing plate (10) is provided with the semicircle short slot (10a) mated with described locating shaft (11) outer wall, hydraulic corner cylinder (7) drives pressing plate (10) rotation to make the termination of pressing plate (10) be pressed on the upper surface of workpiece (A) right back, and semicircle short slot (10a) just in time partly wraps in locating shaft (11) outward simultaneously;
The described block that is locked (6) is positioned at the left front of trade union college block (2), and tie down screw (9) is against after flatly tilting through the block that is locked (6) on the left front wall of workpiece (A);
Described lever type hydraulic cylinder (8) is positioned at the dead ahead of trade union college block (2), and the actuating station of lever type hydraulic cylinder (8) is against workpiece (A) anterior middle position place;
Described spacing fixed block (4) and elasticity jacking mechanism (5) are arranged in the right side time interval of trade union college block (2), the cantilever end of described workpiece (A) reaches between spacing fixed block (4) and elasticity jacking mechanism (5), and by spacing fixed block (4) and elasticity jacking mechanism (5) clamping.
2. according to the gearshift cantilever positioning fixture that reverses gear of high efficient and reliable according to claim 1, it is characterized in that: described elasticity jacking mechanism (5) comprises holder (5a), and the movable push rod (5b) be arranged in holder (5a), sprue (5c) and spring (5d), the head of described movable push rod (5b) is through reaching holder (5a) and spacing fixed block (4) after holder (5a), spring (5d) is positioned at the rear of movable push rod (5b) and is limited to holder (5a) by sprue (5c), described spacing fixed block (4) comprises the bolt and nut component (4b) of hold-down support (4a) and level installation, and the bolt end of described bolt and nut component (4b) is positioned between hold-down support (4a) and holder (5a), the cantilever of described workpiece (A) is by bolt end and movable push rod (5b) clamping.
CN201510469605.XA 2015-08-04 2015-08-04 One kind reverse gear gearshift cantilever positioning fixture Expired - Fee Related CN105081778B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510469605.XA CN105081778B (en) 2015-08-04 2015-08-04 One kind reverse gear gearshift cantilever positioning fixture

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Application Number Priority Date Filing Date Title
CN201510469605.XA CN105081778B (en) 2015-08-04 2015-08-04 One kind reverse gear gearshift cantilever positioning fixture

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CN105081778B CN105081778B (en) 2017-09-15

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106425578A (en) * 2016-11-15 2017-02-22 天津华美永恒科技有限公司 Multifunctional combined clamp for vertical milling machine
CN109048298A (en) * 2018-09-27 2018-12-21 中铁武汉电气化局集团有限公司 A kind of installs fixture of and manipulator cooperation fastening railway contact net positioning ring

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CN202137592U (en) * 2011-05-23 2012-02-08 纽威数控装备(苏州)有限公司 Rocker arm machining device
JP2012111019A (en) * 2010-11-26 2012-06-14 Toyota Motor Corp Clamp device
CN102756294A (en) * 2012-07-09 2012-10-31 无锡新宏泰电器科技股份有限公司 Vertical machining center fixture
CN103495886A (en) * 2013-09-29 2014-01-08 柳州明宇机械有限公司 Connecting rod fine boring fixture
CN104476282A (en) * 2014-12-29 2015-04-01 光隆精密工业(福州)有限公司 Special clamp for machining engine turbocharger shifting fork and clamping method of engine turbocharger shifting fork
CN204868091U (en) * 2015-08-04 2015-12-16 重庆山青机械制造有限公司 High -efficient reliable reversing gear cantilever positioning fixture of shifting

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CN104723146A (en) * 2013-12-24 2015-06-24 上海国上机电科技有限公司 Automobile wear ring hole machining and positioning device
CN204209483U (en) * 2014-11-21 2015-03-18 东风(十堰)汽车锻钢件有限公司 Automobile suspension rod digital control processing multi-position pneumatic fixture

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Publication number Priority date Publication date Assignee Title
CN201172164Y (en) * 2008-02-22 2008-12-31 铁岭天河机械制造有限责任公司 Fixture for processing rocker of automobile engine
JP2012111019A (en) * 2010-11-26 2012-06-14 Toyota Motor Corp Clamp device
CN202137592U (en) * 2011-05-23 2012-02-08 纽威数控装备(苏州)有限公司 Rocker arm machining device
CN102756294A (en) * 2012-07-09 2012-10-31 无锡新宏泰电器科技股份有限公司 Vertical machining center fixture
CN103495886A (en) * 2013-09-29 2014-01-08 柳州明宇机械有限公司 Connecting rod fine boring fixture
CN104476282A (en) * 2014-12-29 2015-04-01 光隆精密工业(福州)有限公司 Special clamp for machining engine turbocharger shifting fork and clamping method of engine turbocharger shifting fork
CN204868091U (en) * 2015-08-04 2015-12-16 重庆山青机械制造有限公司 High -efficient reliable reversing gear cantilever positioning fixture of shifting

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106425578A (en) * 2016-11-15 2017-02-22 天津华美永恒科技有限公司 Multifunctional combined clamp for vertical milling machine
CN109048298A (en) * 2018-09-27 2018-12-21 中铁武汉电气化局集团有限公司 A kind of installs fixture of and manipulator cooperation fastening railway contact net positioning ring
CN109048298B (en) * 2018-09-27 2023-12-01 中铁武汉电气化局集团有限公司 Mounting fixture matched with manipulator to fasten railway contact net positioning ring

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Granted publication date: 20170915

Termination date: 20190804