CN105033712A - Clamp for end face milling of reverse-gear shifting cantilevers in machining center - Google Patents
Clamp for end face milling of reverse-gear shifting cantilevers in machining center Download PDFInfo
- Publication number
- CN105033712A CN105033712A CN201510469301.3A CN201510469301A CN105033712A CN 105033712 A CN105033712 A CN 105033712A CN 201510469301 A CN201510469301 A CN 201510469301A CN 105033712 A CN105033712 A CN 105033712A
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- workpiece
- block
- base plate
- clamp
- holder
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, 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
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices 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
- B23Q3/06—Work-clamping means
- B23Q3/08—Work-clamping means other than mechanically-actuated
- B23Q3/082—Work-clamping means other than mechanically-actuated hydraulically actuated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, 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
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices 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
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-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 clamp for end face milling of reverse-gear shifting cantilevers in a machining center. The clamp comprises a bottom plate, a positioning base, positioning base supporting blocks, lifting rings and two rapid clamping assemblies, wherein the rapid clamping assemblies are arranged from left to right in sequence in a spaced mode. Two positioning shafts on a workpiece positioning block are inserted into corresponding installing holes in a workpiece; hard alloy blocks are welded to both the bevels of a V-shaped opening of a V-shaped positioning block respectively so as to tightly press the workpiece from the left side and the right side of the rear of the workpiece; a semicircular notch is formed in the end of a press plate, and an oil pressure angle cylinder drives the press plate to rotate so that the end of the press plate can be pressed on the upper end face of the rear right side of the workpiece; a locking threaded rod horizontally penetrates through a locking fixing block in an inclined manner and then abuts against the front left wall of the workpiece; the actuating end of a lever type oil cylinder abuts against the center of the front of the workpiece; the cantilever end of the workpiece is tightly clamped by a limiting fixing block and an elastic ejecting mechanism. When the clamp is applied to the vertical machining center, the clamp can clamp and position workpieces rapidly and accurately, the number of clamps and the clamping frequency are reduced, working efficiency is improved, and human cost is reduced.
Description
Technical field
The present invention relates to a kind of speed changer parts machining fixture, be specifically related to a kind of fixture of gearshift cantilever at Ji Jia center end face milling that reverse gear.
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 fixture of gearshift cantilever at Ji Jia center end face milling that reverse gear being exclusively used in 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 fixture of gearshift cantilever at Ji Jia center end face milling that reverse gear, 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, four Quick-clamped assemblies have been arranged side by side respectively to four Workpiece clampings by left-to-right interval successively above described base plate, described Quick-clamped assembly 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.
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 just in time upward, the multiple location of machining center to workpiece is facilitated to process, and by one man operation four 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 invention.
Fig. 2 is the structural representation of Quick-clamped assembly.
Fig. 3 is the installation design sketch of workpiece on Quick-clamped assembly.
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. 3, reverse gear gearshift cantilever at a fixture for Ji Jia center end face milling, forms primarily of base plate 1, trade union college block 2, positioning pedestal 13, positioning pedestal back-up block 14 and four Quick-clamped assembly B be arranged side by side by left-to-right interval successively.Four Quick-clamped assembly B are respectively used to four Workpiece clampings, are therefore called the fixture of gearshift cantilever at Ji Jia center end face milling that reverse gear.
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.Quick-clamped assembly 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. the fixture of gearshift cantilever at Ji Jia center end face milling that reverse gear, 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 base plate (1) top has been arranged side by side four Quick-clamped assemblies (B) by left-to-right interval successively and has clamped four workpiece (A) respectively, described Quick-clamped assembly (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 the fixture of gearshift cantilever at Ji Jia center end face milling that reverse gear 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.
Priority Applications (1)
| 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 |
Applications Claiming Priority (1)
| 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105033712A true CN105033712A (en) | 2015-11-11 |
| CN105033712B CN105033712B (en) | 2017-09-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510469301.3A Expired - Fee Related 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 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105033712B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109834489A (en) * | 2019-03-28 | 2019-06-04 | 盐城京奇刀具有限公司 | A kind of cam ring processing auxiliary mould |
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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 |
| 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 |
| CN103009142A (en) * | 2012-12-25 | 2013-04-03 | 宁波星源机械有限公司 | Fixture for part processing |
| CN103495886A (en) * | 2013-09-29 | 2014-01-08 | 柳州明宇机械有限公司 | Connecting rod fine boring fixture |
| 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 |
-
2015
- 2015-08-04 CN CN201510469301.3A patent/CN105033712B/en not_active Expired - Fee Related
Patent Citations (7)
| 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 |
| 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 |
| CN103009142A (en) * | 2012-12-25 | 2013-04-03 | 宁波星源机械有限公司 | Fixture for part processing |
| CN103495886A (en) * | 2013-09-29 | 2014-01-08 | 柳州明宇机械有限公司 | Connecting rod fine boring fixture |
| 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 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109834489A (en) * | 2019-03-28 | 2019-06-04 | 盐城京奇刀具有限公司 | A kind of cam ring processing auxiliary mould |
| CN109834489B (en) * | 2019-03-28 | 2024-03-19 | 盐城京奇刀具有限公司 | Cam ring processing auxiliary fixtures |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105033712B (en) | 2017-09-15 |
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Granted publication date: 20170915 Termination date: 20190804 |