CN204868090U - Cantilever positioning fixture of shifting that reverses gear of convenient hoist and mount - Google Patents

Cantilever positioning fixture of shifting that reverses gear of convenient hoist and mount Download PDF

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Publication number
CN204868090U
CN204868090U CN201520577140.5U CN201520577140U CN204868090U CN 204868090 U CN204868090 U CN 204868090U CN 201520577140 U CN201520577140 U CN 201520577140U CN 204868090 U CN204868090 U CN 204868090U
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CN
China
Prior art keywords
block
workpiece
work piece
base plate
trade union
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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.)
Expired - Fee Related
Application number
CN201520577140.5U
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Chinese (zh)
Inventor
张涛
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.)
CHONGQING SHANQING MACHINERY MANUFACTURING CO LTD
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CHONGQING SHANQING MACHINERY MANUFACTURING CO LTD
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Priority to CN201520577140.5U priority Critical patent/CN204868090U/en
Application granted granted Critical
Publication of CN204868090U publication Critical patent/CN204868090U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a cantilever positioning fixture of shifting that reverses gear of convenient hoist and mount, including bottom plate, location base, orientating group abutment bracer and hoisting ring, two location axles on the workpiece setting piece insert respectively in the mounting hole that corresponds on the work piece, it has hard alloy block all to weld on every inclined plane of V -arrangement locating piece V -arrangement open -ended, and the left and right sides of following the work piece rear respectively compresses tightly the work piece, the end of clamp plate is provided with the semi -circular groove that lacks, and oil pressure corner jar drive clamp plate rotates the end that makes the clamp plate and presses on the up end of work piece right back, locking screw supports on the left front wall of work piece after inclining to pass the locking fixed block horizontally, the execution end of lever oil hydraulic cylinder supports in the anterior placed in the middle position department of work piece, the cantilever end of work piece presss from both sides tightly through spacing fixed block and elastic top tight machanism. Be applied to vertical machining center, can quickly accurate press from both sides tight location with the work piece, reduced anchor clamps quantity and clamping number of times, improved work efficiency, reduced the human cost.

Description

The gearshift cantilever positioning fixture that reverses gear of convenient lifting
Technical field
The utility model relates to a kind of speed changer parts machining fixture, is specifically related to a kind of gearshift cantilever positioning fixture that reverses gear of convenient lifting.
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.
Utility model content
The utility model aims to provide a kind of gearshift cantilever positioning fixture that reverses gear being exclusively used in the convenient lifting 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 scheme that the utility model adopts is: a kind of gearshift cantilever positioning fixture that reverses gear of convenient lifting, 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 trade union college 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;
Four angle position places of described base plate are respectively provided with a hoisting ring and base plate installing hole, and four lifting Ring current distribution just in time overlap with the center of gravity of positioning fixture.
During clamping, workpiece main body is arranged on two locating shafts of trade union college block, and the cantilever end of workpiece is placed between spacing fixed block and elasticity jacking mechanism, carries out just location to trade union college 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.
The beneficial effects of the utility model: pressing plate adopts semicircle short slot, to increase the contact area with workpiece, improve 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 utility model.
Fig. 2 is the installation design sketch of workpiece on the utility model.
Detailed description of the invention
Below by embodiment also by reference to the accompanying drawings, the utility model is described in further detail:
Shown in composition graphs 1-Fig. 2, the gearshift cantilever positioning fixture that reverses gear of convenient lifting, 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.
Trade union college 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.
Four angle position places of base plate 1 are respectively provided with a hoisting ring 15 and base plate installing hole 1a, and the center of four hoisting rings 15 just in time overlaps with the center of gravity of positioning fixture.Four hoisting rings 15 are in rectangular layout, and four base plate installing hole 1a are in rectangular layout.

Claims (1)

1. the gearshift cantilever positioning fixture that reverses gear of a convenient lifting, 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 trade union college 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;
Four angle position places of described base plate (1) are respectively provided with a hoisting ring (15) and base plate installing hole (1a), and the center of four hoisting rings (15) just in time overlaps with the center of gravity of positioning fixture.
CN201520577140.5U 2015-08-04 2015-08-04 Cantilever positioning fixture of shifting that reverses gear of convenient hoist and mount Expired - Fee Related CN204868090U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520577140.5U CN204868090U (en) 2015-08-04 2015-08-04 Cantilever positioning fixture of shifting that reverses gear of convenient hoist and mount

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520577140.5U CN204868090U (en) 2015-08-04 2015-08-04 Cantilever positioning fixture of shifting that reverses gear of convenient hoist and mount

Publications (1)

Publication Number Publication Date
CN204868090U true CN204868090U (en) 2015-12-16

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105058054A (en) * 2015-08-04 2015-11-18 重庆山青机械制造有限公司 Reversing and shifting cantilever clamp convenient for hoisting

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105058054A (en) * 2015-08-04 2015-11-18 重庆山青机械制造有限公司 Reversing and shifting cantilever clamp convenient for hoisting

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20151216

Termination date: 20160804

CF01 Termination of patent right due to non-payment of annual fee