CN105033712B - A kind of fixture of the gearshift cantilever in Ji Jia centers end face milling that reverse gear - Google Patents

A kind of fixture of the gearshift cantilever in Ji Jia centers end face milling that reverse gear Download PDF

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Publication number
CN105033712B
CN105033712B CN201510469301.3A CN201510469301A CN105033712B CN 105033712 B CN105033712 B CN 105033712B CN 201510469301 A CN201510469301 A CN 201510469301A CN 105033712 B CN105033712 B CN 105033712B
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CN
China
Prior art keywords
workpiece
block
bottom plate
mounting blocks
positioning pedestal
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.)
Expired - Fee Related
Application number
CN201510469301.3A
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Chinese (zh)
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CN105033712A (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 CN201510469301.3A priority Critical patent/CN105033712B/en
Publication of CN105033712A publication Critical patent/CN105033712A/en
Application granted granted Critical
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02Devices 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
    • 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

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jigs For Machine Tools (AREA)

Abstract

The invention discloses a kind of fixture of the gearshift cantilever in Ji Jia centers end face milling that reverse gear, inserted respectively on workpiece in corresponding mounting hole by left-to-right two locating shafts being spaced successively on the Quick-clamped component being arranged side by side, workpiece locating piece including bottom plate, positioning pedestal, positioning pedestal support block, hoisting ring and two;Hard alloy blocks are welded with each inclined-plane of V-arrangement locating piece V-arrangement opening, respectively from the left and right sides at workpiece rear by Work-sheet pressing;The termination of pressing plate is provided with semicircle short slot, and hydraulic corner cylinder driving press plate rotary makes the termination of pressing plate be pressed on the upper surface of workpiece right back;Tie down screw, which is flatly tilted through, to be against after the block that is locked on the left front wall of workpiece;The actuating station of lever type hydraulic cylinder is against at the anterior middle position of workpiece;The cantilever end of workpiece holds out against gear grips by spacing fixed block and elasticity.Applied to vertical machining centre, quickly and accurately Workpiece clamping can be positioned, reduce fixture quantity and clamping times, improve operating efficiency, reduce human cost.

Description

A kind of fixture of the gearshift cantilever in Ji Jia centers end face milling that reverse gear
Technical field
The present invention relates to a kind of speed changer parts machining fixture, and in particular to one kind reverses gear gearshift cantilever at Ji Jia centers The fixture of end face milling.
Background technology
Gearshift cantilever processing of reversing gear is needed by multiple working procedure, is included in numerically controlled lathe, honing machine, in upright drill equipment It is processed, the problem of existing is:Clamping times are more, circulation time length, easily cause resetting error and bump injury;Per pass work Sequence is both needed to one man operation, it is necessary to which several operating personnel coordinate completion.
The content of the invention
The present invention is intended to provide a kind of gearshift cantilever that reverses gear for being exclusively used in vertical machining centre is in Ji Jia centers end face milling It is processed after the completion of fixture, clamping by vertical machining centre, to substitute numerically controlled lathe in conventional machining process, honing machine, stand The processing that formula drilling machine equipment is completed, saves process and clamping times, improves production efficiency.
Therefore, the technical solution adopted in the present invention is:A kind of fixture of the gearshift cantilever in Ji Jia centers end face milling that reverse gear, Including bottom plate, positioning pedestal and positioning pedestal support block, the positioning pedestal is arranged on bottom plate by positioning pedestal support block Side, so that confined space is vacateed between positioning pedestal and bottom plate to be used to arrange above oil line pipe, the bottom plate by left-to-right Four Quick-clamped components have been arranged side by side respectively to four Workpiece clampings in interval successively, and the Quick-clamped component includes installing Workpiece mounting blocks, V-arrangement locating piece, elastic jacking mechanism and the block that is locked in positioning pedestal, and on bottom plate Spacing fixed block, hydraulic corner cylinder and lever type hydraulic cylinder;
Two are installed with the workpiece locating piece perpendicular to bottom plate and the spaced apart locating shaft in left and right, two locating shafts Respectively on insertion workpiece in corresponding mounting hole;
The V-arrangement locating piece is located at the rear of workpiece mounting blocks, and V-arrangement opening is just to workpiece mounting blocks, in V-arrangement opening Hard alloy blocks are welded with each inclined-plane, two hard alloy blocks are symmetrical set, respectively from the left and right at workpiece rear Both sides are by Work-sheet pressing;
The hydraulic corner cylinder is located at the rear of V-arrangement locating piece, and pressing plate, the termination of pressing plate are provided with hydraulic corner cylinder The semicircle short slot matched with the locating shaft outer wall is provided with, hydraulic corner cylinder driving press plate rotary is pressed in the termination of pressing plate On the upper surface of workpiece right back, while semicircle short slot just half is wrapped outside locating shaft;
The block that is locked is located at the left front of workpiece mounting blocks, and tie down screw flatly tilts through the block that is locked It is against afterwards on the left front wall of workpiece;
The lever type hydraulic cylinder is located at the front of workpiece mounting blocks, and the actuating station of lever type hydraulic cylinder is against before workpiece At portion middle position;
The spacing fixed block and elastic jacking mechanism are set in the right side time interval of workpiece mounting blocks, the workpiece Cantilever end is reached between spacing fixed block and elastic jacking mechanism, and holds out against gear grips by spacing fixed block and elasticity;
It is each provided with four angle positions of the bottom plate in a hoisting ring and bottom plate mounting hole, four hoisting rings The heart is just overlapped with the center of gravity of positioning fixture.
During clamping, workpiece main body is arranged on two locating shafts of workpiece locating piece, and the cantilever end of workpiece is placed in spacing solid Determine between block and elastic jacking mechanism, workpiece locating piece is carried out just to position;The left and right sides at workpiece rear portion is fixed by V-arrangement respectively Hard alloy blocks on the block of position are compressed, and the left front wall of workpiece is pushed against by lock-screw, and lever type hydraulic cylinder is against workpiece front portion At middle position, then by hydraulic corner cylinder driving press plate rotary the termination of pressing plate is pressed on the upper surface of workpiece right back, most Workpiece clamping at last.
Preferably, the elastic jacking mechanism includes fixed seat, and movable push rod in fixed seat, sprue and Spring, the head of the movable push rod is through reaching fixed seat and spacing fixed block after fixed seat, and spring is located at movable top The rear of bar is simultaneously limited in fixed seat by sprue;The spacing fixed block includes hold-down support and the bolt spiral shell being horizontally mounted Female component, the bolt end of the bolt and nut component is located between hold-down support and fixed seat;The cantilever of the workpiece passes through Bolt end and movable top bar cramp are tight.Length is screwed into by the pretightning force and bolt that adjust spring, to adapt to different-thickness rule The cantilever of lattice is clamped.
Beneficial effects of the present invention:Pressing plate, to increase the contact area with workpiece, is improved and compressed using semicircle short slot Power;Confined space is vacateed between positioning pedestal and bottom plate to be used to arrange oil line pipe, is easy to pipeline to arrange and safeguard, to ensure behaviour Make table top clean and tidy;It is rationally distributed, it is ingenious in design, applied to vertical machining centre, quickly and accurately Workpiece clamping can be positioned, work Part face to be processed just upward, facilitates machining center to be processed the multiple location of workpiece, and can be by four works of one man operation Position, compared to conventional machining process, reduces fixture quantity and clamping times, improves operating efficiency, reduce human cost.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the structural representation of Quick-clamped component.
Fig. 3 is installation effect figure of the workpiece on Quick-clamped component.
Embodiment
Below by embodiment and with reference to accompanying drawing, the invention will be further described:
With reference to shown in Fig. 1-Fig. 3, it is a kind of reverse gear gearshift cantilever Ji Jia centers end face milling fixture, mainly by bottom plate 1, Workpiece mounting blocks 2, positioning pedestal 13, positioning pedestal support block 14 and four are spaced the quick clip being arranged side by side successively by left-to-right Tight component B compositions.Four Quick-clamped component B are respectively used to four Workpiece clampings, therefore the gearshift cantilever that is referred to as reversing gear is in machine Plus the fixture of center end face milling.
Positioning pedestal 13 is arranged on the top of bottom plate 1 by positioning pedestal support block 14, so that in positioning pedestal 13 and bottom plate 1 Between vacate confined space be used for arrange oil line pipe.Quick-clamped component B is main by workpiece mounting blocks 2, V-arrangement locating piece 3, limit Position fixed block 4, elastic jacking mechanism 5, the block 6 that is locked, hydraulic corner cylinder 7, lever type hydraulic cylinder 8, tie down screw 9, pressing plate 10th, locating shaft 11, hard alloy blocks 12 are constituted.Wherein, workpiece mounting blocks 2, V-arrangement locating piece 3, elastic jacking mechanism 5 and locking Fixed block 6 is arranged in positioning pedestal 13, and spacing fixed block 4, hydraulic corner cylinder 7 and lever type hydraulic cylinder 8 are arranged on bottom plate 1 On.
Two are installed with workpiece locating piece 2 perpendicular to bottom plate 1 and the spaced apart locating shaft 11 in left and right, two locating shafts 11 insert on workpiece A in corresponding mounting hole respectively.
V-arrangement locating piece 3 is located at the rear of workpiece mounting blocks 2, and V-arrangement opening is just to workpiece mounting blocks 2, in V-arrangement opening Hard alloy blocks 12 are welded with each inclined-plane, two hard alloy blocks 12 are symmetrical set, respectively from workpiece A rears The left and right sides compresses workpiece A.
Hydraulic corner cylinder 7 is located at the rear of V-arrangement locating piece 3, and pressing plate 10 is provided with hydraulic corner cylinder 7, pressing plate 10 Termination is provided with the semicircle short slot 10a matched with the outer wall of locating shaft 11, and the driving pressing plate 10 of hydraulic corner cylinder 7, which is rotated, makes pressing plate 10 Termination be pressed on the upper surface of workpiece A right backs, while semicircle short slot 10a just half bag outside locating shaft 11.Preferably, The rotational angle of pressing plate 10 is set to 90 °, just compresses the upper surface of workpiece A right backs.
The block 6 that is locked is located at the left front of workpiece mounting blocks 2, and tie down screw 9 flatly tilts through the block 6 that is locked It is against afterwards on workpiece A left front wall.The termination of tie down screw 9 is tilted with respect to afterbody towards right side, and lever is arranged with vacating space Oil hydraulic cylinder 8.Tie down screw 9 is pushed against workpiece in left front wall, and the pressing plate 10 that hydraulic corner cylinder 7 drives is pressed in workpiece A right backs Upper surface, to prevent workpiece A from deflecting in process.
Lever type hydraulic cylinder 8 is located at the front of workpiece mounting blocks 2, and the actuating station of lever type hydraulic cylinder 8 is against before workpiece A At portion middle position.
Spacing fixed block 4 and elastic jacking mechanism 5 are set in the right side time interval of workpiece mounting blocks 2, workpiece A cantilever End is reached between spacing fixed block 4 and elastic jacking mechanism 5, and is clamped by spacing fixed block 4 and elastic jacking mechanism 5.
Preferably, elastic jacking mechanism 5 is by fixed seat 5a, and movable push rod 5b, sprue in fixed seat 5a 5c and spring 5d compositions.Movable push rod 5b head is through reaching fixed seat 5a and spacing fixed block 4 after fixed seat 5a, bullet Spring 5d is located at movable push rod 5b rear and is limited to by sprue 5c in fixed seat 5a.Spacing fixed block 4 is by hold-down support 4a With the bolt and nut component 4b compositions being horizontally mounted.Bolt and nut component 4b bolt end is located at hold-down support 4a and fixed seat Between 5a;Workpiece A cantilever is clamped by bolt end and movable push rod 5b.
A hoisting ring 15 and bottom plate mounting hole 1a, four hoisting rings 15 are each provided with four angle positions of bottom plate 1 Center just overlapped with the center of gravity of positioning fixture.Four hoisting rings 15 are in rectangular layout, and four bottom plate mounting hole 1a are rectangular Arrangement.

Claims (1)

1. a kind of fixture of the gearshift cantilever in Ji Jia centers end face milling that reverse gear, including bottom plate (1), positioning pedestal (13) and positioning base Seat supports block (14), it is characterised in that:The positioning pedestal (13) is arranged on bottom plate (1) by positioning pedestal support block (14) Side, so that confined space is vacateed between positioning pedestal (13) and bottom plate (1) to be used to arrange on oil line pipe, the bottom plate (1) Side has been arranged side by side four Quick-clamped components (B) by left-to-right interval successively and four workpiece (A) has been clamped respectively, described quick Clamp assembly (B) includes the workpiece mounting blocks (2), V-arrangement locating piece (3), elastic jacking mechanism being arranged in positioning pedestal (13) And the block that is locked (6), and the spacing fixed block (4) on bottom plate (1), hydraulic corner cylinder (7) and lever oil (5) Cylinder pressure (8);
Two are installed with the workpiece mounting blocks (2) perpendicular to the spaced apart locating shaft of bottom plate (1) and left and right (11), two Locating shaft (11) is inserted on workpiece (A) in corresponding mounting hole respectively;
The V-arrangement locating piece (3) is located at the rear of workpiece mounting blocks (2), and V-arrangement opening is just to workpiece mounting blocks (2), in V-arrangement Opening each inclined-plane on be welded with hard alloy blocks (12), two hard alloy blocks (12) are symmetrical set, respectively from The left and right sides at workpiece (A) rear compresses workpiece (A);
The hydraulic corner cylinder (7) is located at the rear of V-arrangement locating piece (3), and pressing plate (10) is provided with hydraulic corner cylinder (7), The termination of pressing plate (10) is provided with the semicircle short slot (10a) matched with the locating shaft (11) outer wall, and hydraulic corner cylinder (7) drives Dynamic pressure plate (10), which is rotated, makes the termination of pressing plate (10) be pressed on the upper surface of workpiece (A) right back, while semicircle short slot (10a) Just half wrap in locating shaft (11) outside;
The block that is locked (6) is located at the left front of workpiece mounting blocks (2), and tie down screw (9) flatly tilts through locking On the left front wall that workpiece (A) is against after fixed block (6);
The lever type hydraulic cylinder (8) is located at the front of workpiece mounting blocks (2), and the actuating station of lever type hydraulic cylinder (8) is against At the middle position of workpiece (A) front portion;
The spacing fixed block (4) and elastic jacking mechanism (5) are set in the right side time interval of workpiece mounting blocks (2), described The cantilever end of workpiece (A) is reached between spacing fixed block (4) and elastic jacking mechanism (5), and passes through spacing fixed block (4) and bullet Property jacking mechanism (5) clamp;
A hoisting ring (15) and bottom plate mounting hole (1a) are each provided with four angle positions of the bottom plate (1), four are hung The center of dress ring (15) is just overlapped with the center of gravity of positioning fixture;
The elastic jacking mechanism (5) includes fixed seat (5a), and movable push rod (5b) in fixed seat (5a), stifled Block (5c) and spring (5d), the head of the movable push rod (5b) pass through reached after fixed seat (5a) fixed seat (5a) with it is spacing solid Determine between block (4), spring (5d) is located at the rear of movable push rod (5b) and is limited to by sprue (5c) in fixed seat (5a);Institute Stating spacing fixed block (4) includes hold-down support (4a) and the bolt and nut component (4b) being horizontally mounted, the bolt and nut component The bolt end of (4b) is located between hold-down support (4a) and fixed seat (5a);The cantilever of the workpiece (A) passes through bolt end Clamped with movable push rod (5b).
CN201510469301.3A 2015-08-04 2015-08-04 A kind of fixture of the gearshift cantilever in Ji Jia centers end face milling that reverse gear Expired - Fee Related CN105033712B (en)

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Application Number Priority Date Filing Date Title
CN201510469301.3A CN105033712B (en) 2015-08-04 2015-08-04 A kind of fixture of the gearshift cantilever in Ji Jia centers end face milling that reverse gear

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CN201510469301.3A CN105033712B (en) 2015-08-04 2015-08-04 A kind of fixture of the gearshift cantilever in Ji Jia centers end face milling that reverse gear

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CN105033712B true CN105033712B (en) 2017-09-15

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Publication number Priority date Publication date Assignee Title
CN109834489B (en) * 2019-03-28 2024-03-19 盐城京奇刀具有限公司 Cam ring processing auxiliary fixtures

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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
JP5691441B2 (en) * 2010-11-26 2015-04-01 トヨタ自動車株式会社 Clamping device
CN102756294B (en) * 2012-07-09 2016-02-10 无锡新宏泰电器科技股份有限公司 Vertical process center fixture
CN103009142B (en) * 2012-12-25 2015-06-10 宁波星源机械有限公司 Fixture for part processing
CN103495886B (en) * 2013-09-29 2016-09-14 柳州明宇机械有限公司 Connecting rod fixture for fine boring
CN103753274A (en) * 2013-12-30 2014-04-30 天津市宝涞精密机械有限公司 Multi-station fixture for machining of compressor cylinders
CN204868248U (en) * 2015-08-04 2015-12-16 重庆山青机械制造有限公司 Reverse gear and shift cantilever at anchor clamps of machine with central end face milling

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