CN204818856U - A anchor clamps that is used for machining center to mill cantilever terminal surface of shifting gears that reverses gear - Google Patents
A anchor clamps that is used for machining center to mill cantilever terminal surface of shifting gears that reverses gear Download PDFInfo
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- CN204818856U CN204818856U CN201520577005.0U CN201520577005U CN204818856U CN 204818856 U CN204818856 U CN 204818856U CN 201520577005 U CN201520577005 U CN 201520577005U CN 204818856 U CN204818856 U CN 204818856U
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Abstract
The utility model discloses an anchor clamps that is used for machining center to mill cantilever terminal surface of shifting gears that reverses gear, including bottom plate, location base, orientating group abutment bracer, hoisting ring and two work piece clamping mechanism that the left and right sides set up side by side, workpiece positioning block two last location axles 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
Technical field
The utility model relates to a kind of speed changer parts machining fixture, is specifically related to a kind of fixture of gearshift cantilever end face of reversing gear for machining center milling.
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 fixture being exclusively used in the gearshift cantilever end face of reversing gear for machining center milling 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 fixture of gearshift cantilever end face of reversing gear for machining center milling, 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, above described base plate, left and right has been arranged side by side two workpiece clamping mechanism respectively to two Workpiece clampings, described workpiece clamping mechanism comprises the trade union college block be arranged on positioning pedestal, V-arrangement locating piece, elasticity jacking mechanism and the block that is locked, and the spacing fixed block be arranged on base plate, 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;
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 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.
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 just in time upward, the multiple location of machining center to workpiece is facilitated to process, and by one man operation two stations, conventional machining process can be compared, 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 structural representation of workpiece clamping mechanism.
Fig. 3 is the installation design sketch of workpiece in workpiece clamping mechanism.
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. 3, a kind of fixture of gearshift cantilever end face of reversing gear for machining center milling, primarily of base plate 1, trade union college block 2, positioning pedestal 13, positioning pedestal back-up block 14 and about two the workpiece clamping mechanism B compositions be arranged side by side.Two workpiece clamping mechanism B are respectively used to two Workpiece clampings, be therefore called for machining center milling reverse gear gearshift cantilever end face fixture.
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.Workpiece clamping mechanism B forms primarily of 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.Wherein, trade union college block 2, V-arrangement locating piece 3, elasticity jacking mechanism 5 and the block 6 that is locked are arranged on positioning pedestal 13, and spacing fixed block 4, hydraulic corner cylinder 7 and lever type hydraulic cylinder 8 are arranged on base plate 1.
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 °, is just in time compressed the upper surface of workpiece A right back.
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 (2)
1. one kind for machining center milling reverse gear gearshift cantilever end face fixture, 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), left and right, described base plate (1) top has been arranged side by side two workpiece clamping mechanism (B) respectively to two workpiece (A) clampings, described workpiece clamping mechanism (B) comprises the trade union college block (2) be arranged on positioning pedestal (13), V-arrangement locating piece (3), elasticity jacking mechanism (5) and the block that is locked (6), and the spacing fixed block (4) be arranged on base plate (1), 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;
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.
2. according to according to claim 1 for machining center milling reverse gear gearshift cantilever end face fixture, 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520577005.0U CN204818856U (en) | 2015-08-04 | 2015-08-04 | A anchor clamps that is used for machining center to mill cantilever terminal surface of shifting gears that reverses gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520577005.0U CN204818856U (en) | 2015-08-04 | 2015-08-04 | A anchor clamps that is used for machining center to mill cantilever terminal surface of shifting gears that reverses gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204818856U true CN204818856U (en) | 2015-12-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520577005.0U Expired - Fee Related CN204818856U (en) | 2015-08-04 | 2015-08-04 | A anchor clamps that is used for machining center to mill cantilever terminal surface of shifting gears that reverses gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204818856U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105127805A (en) * | 2015-08-04 | 2015-12-09 | 重庆山青机械制造有限公司 | Clamp for milling end face of gear reversing and shifting cantilever at machining center |
-
2015
- 2015-08-04 CN CN201520577005.0U patent/CN204818856U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105127805A (en) * | 2015-08-04 | 2015-12-09 | 重庆山青机械制造有限公司 | Clamp for milling end face of gear reversing and shifting cantilever at machining center |
| CN105127805B (en) * | 2015-08-04 | 2017-11-21 | 重庆山青机械制造有限公司 | A kind of fixture for gearshift cantilever end face of being reversed gear for machining center milling |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20151202 Termination date: 20160804 |
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| CF01 | Termination of patent right due to non-payment of annual fee |