CN105058114A - Four-station clamping mechanism for end face milling of gear reversing and gear shifting cantilevers - Google Patents

Four-station clamping mechanism for end face milling of gear reversing and gear shifting cantilevers Download PDF

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Publication number
CN105058114A
CN105058114A CN201510469561.0A CN201510469561A CN105058114A CN 105058114 A CN105058114 A CN 105058114A CN 201510469561 A CN201510469561 A CN 201510469561A CN 105058114 A CN105058114 A CN 105058114A
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CN
China
Prior art keywords
clamp system
block
clamping mechanism
workpiece
base plate
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Granted
Application number
CN201510469561.0A
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Chinese (zh)
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CN105058114B (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 CN201510469561.0A priority Critical patent/CN105058114B/en
Publication of CN105058114A publication Critical patent/CN105058114A/en
Application granted granted Critical
Publication of CN105058114B publication Critical patent/CN105058114B/en
Expired - Fee Related legal-status Critical Current
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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

Abstract

The invention discloses a four-station clamping mechanism for end face milling of gear reversing and gear shifting cantilevers. The four-station clamping mechanism comprises a base plate, a positioning pedestal, positioning pedestal supporting blocks, and two identical clamping mechanism sets which are installed left and right side by side. Each clamping mechanism set is composed of a first clamping mechanism, a shared pressing mechanism and a second clamping mechanism, wherein the first clamping mechanism, the shared pressing mechanism and the second clamping mechanism are installed on the base plate from front to rear in sequence; each first clamping mechanism comprises a workpiece installing block, a V-shaped positioning block, a limiting fixing block, an elastic ejecting mechanism, a locking fixing block, a lever type oil cylinder and a locking threaded rod; each second clamping mechanism is completely the same as the corresponding first clamping mechanism in structure, and is installed after being turned by 180 degrees relative to the corresponding first clamping mechanism; and each shared pressing mechanism comprises an oil pressure angle cylinder and a pressing plate, and semicircular notches are formed in the two ends of the pressing plate. When the four-station clamping mechanism for end face milling of gear reversing and gear shifting cantilevers is applied to a vertical machining center, workpieces can be clamped and positioned rapidly and accurately, four stations are operated by one operator, the number of clamps and frequency of clamping are reduced, working efficiency is improved, and labor cost is reduced.

Description

A kind of four stations reverse gear gearshift cantilever end face milling clamp system
Technical field
The present invention relates to a kind of speed changer parts machining fixture, be specifically related to a kind of clamp system of the gearshift cantilever that reverses 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 four stations being exclusively used in vertical machining centre and to reverse gear gearshift cantilever end face milling clamp system, 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 four stations reverse gear gearshift cantilever end face milling clamp system, comprise base plate, positioning pedestal, positioning pedestal back-up block and about two identical clamp system groups of installing side by side, it is characterized in that: 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 clamp system group is made up of the first clamp system be arranged in successively from front to back above base plate, shared hold-down mechanism and the second clamp system;
Described first clamp system 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 is arranged on base plate upper limit 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; 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;
Described second clamp system is identical with the first clamp system structure, and the second clamp system is installed after rotating 180 ° relative to the first clamp system;
Described shared hold-down mechanism comprises hydraulic corner cylinder and pressing plate, the middle part of described pressing plate is arranged on hydraulic corner cylinder, the two ends of pressing plate are provided with the semicircle short slot mated with described locating shaft outer wall, hydraulic corner cylinder is between the first clamp system and the second clamp system, hydraulic corner cylinder drives press plate rotary 90 °, wherein one end of pressing plate is made to be pressed on the upper surface of the right back of the workpiece of the first clamp system, the other end is pressed on the upper surface of the right back of the workpiece of the second clamp system, and semicircle short slot just in time partly wraps in outside each self-corresponding locating shaft simultaneously.
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 enlarged drawing of the first clamp system and shared hold-down mechanism.
Fig. 3 is the installation design sketch of workpiece on the first clamp system and shared hold-down mechanism.
Detailed description of the invention
Below by embodiment also by reference to the accompanying drawings, the invention will be further described:
As shown in Figure 1, a kind of four stations reverse gear gearshift cantilever end face milling clamp system, are made up of base plate 1, positioning pedestal 13, positioning pedestal back-up block 14 and about two the identical clamp systems installed side by side.
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.Clamp system group is made up of the first clamp system B be arranged in successively from front to back above base plate 1, shared hold-down mechanism C and the second clamp system D.
Second clamp system D is identical with the first clamp system B structure, and the second clamp system D carries out installing after rotating 180 ° relative to the first clamp system B.Share hold-down mechanism C between the first clamp system B and the second clamp system D.Below the first clamp system B is described in detail.
As shown in Fig. 2-Fig. 3, the first clamp system B is primarily of the composition 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, lever type hydraulic cylinder 8, tie down screw 9, 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.
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.
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.
Shown in composition graphs 1-Fig. 3, share hold-down mechanism C and comprise hydraulic corner cylinder 7 and pressing plate 10, the middle part of pressing plate 10 is arranged on hydraulic corner cylinder 7, the two ends of pressing plate 10 are provided with the semicircle short slot 10a mated with locating shaft 11 outer wall, hydraulic corner cylinder 7 is between the first clamp system B and the second clamp system D, hydraulic corner cylinder 7 drives pressing plate 10 to rotate 90 °, wherein one end of pressing plate 10 is made to be pressed on the upper surface of the right back of the workpiece A of the first clamp system B, the other end is pressed on the upper surface of the right back of the workpiece A of the second clamp system D, semicircle short slot 10a just in time partly wraps in outside each self-corresponding locating shaft 11 simultaneously.Second clamp system D installs after rotating 180 ° relative to the first clamp system B, for operator, pressing plate 10 is pressed in the same position of two workpiece, adopt such structural design, handled easily, after the complete unit one of operator's clamping, forward base plate 1 rear to, clamping second workpiece, the putting position of second workpiece and the second clamping mechanism does not change for operator, therefore operates also very smoothly.Meanwhile, 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 right back, effectively prevent workpiece and deflects in process.
Structure and the mounting means of two clamp system groups are identical, for operator, only need to rotate clockwise around base plate, just the clamping of four workpiece on four clamp systems can be completed successively, the putting position of each clamp system and workpiece does not all change for operator, therefore operates very smoothly.

Claims (2)

1. a station reverses gear gearshift cantilever end face milling clamp system, comprise base plate (1), positioning pedestal (13), positioning pedestal back-up block (14) and about two the identical clamp system compositions installed side by side, 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 clamp system group is by the first clamp system (B) being arranged in base plate (1) top from front to back successively, share hold-down mechanism (C) and the second clamp system (D) formation,
Described first clamp system (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 is arranged on base plate (1) upper limit 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; 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;
Described second clamp system (D) is identical with the first clamp system (B) structure, and the second clamp system (D) is installed after rotating 180 ° relative to the first clamp system (B);
Described shared hold-down mechanism (C) comprises hydraulic corner cylinder (7) and pressing plate (10), the middle part of described pressing plate (10) is arranged on hydraulic corner cylinder (7), the two ends of pressing plate (10) are provided with the semicircle short slot (10a) mated with described locating shaft (11) outer wall, hydraulic corner cylinder (7) is positioned between the first clamp system (B) and the second clamp system (D), hydraulic corner cylinder (7) drives pressing plate (10) to rotate 90 °, wherein one end of pressing plate (10) is made to be pressed on the upper surface of the right back of the workpiece (A) of the first clamp system (B), the other end is pressed on the upper surface of the right back of the workpiece (A) of the second clamp system (D), semicircle short slot (10a) just in time partly wraps in each self-corresponding locating shaft (11) outward simultaneously.
2. to reverse gear gearshift cantilever end face milling clamp system according to four stations 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.
CN201510469561.0A 2015-08-04 2015-08-04 A kind of four stations reverse gear gearshift cantilever end face milling clamp system Expired - Fee Related CN105058114B (en)

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CN201510469561.0A CN105058114B (en) 2015-08-04 2015-08-04 A kind of four stations reverse gear gearshift cantilever end face milling clamp system

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Application Number Priority Date Filing Date Title
CN201510469561.0A CN105058114B (en) 2015-08-04 2015-08-04 A kind of four stations reverse gear gearshift cantilever end face milling clamp system

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CN105058114B CN105058114B (en) 2017-09-15

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111070126A (en) * 2019-12-23 2020-04-28 天津市航宇嘉瑞科技股份有限公司 Combined clamping tool for processing irregular rocker arm product

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DE20206490U1 (en) * 2002-04-24 2002-07-18 Schmalz J Gmbh suction blocks
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
CN101829922A (en) * 2009-03-09 2010-09-15 和龙双昊高新技术有限公司 Multi-station, multi-operation and multi-workpiece machining fixture at bottom end surface of liquid storage pot
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
CN203210053U (en) * 2013-04-09 2013-09-25 金坛市诚辉机械制造有限公司 Novel fixture for processing axial hole series of motor body
CN103481091A (en) * 2013-09-02 2014-01-01 广州市科密汽车制动技术开发有限公司 Middle-shell one-procedure multi-station hydraulic clamp
CN103495886A (en) * 2013-09-29 2014-01-08 柳州明宇机械有限公司 Connecting rod fine boring fixture
CN204868246U (en) * 2015-08-04 2015-12-16 重庆山青机械制造有限公司 Cantilever end face milling clamping mechanism that shifts reverses gear in quadruplex position

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20206490U1 (en) * 2002-04-24 2002-07-18 Schmalz J Gmbh suction blocks
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
CN101829922A (en) * 2009-03-09 2010-09-15 和龙双昊高新技术有限公司 Multi-station, multi-operation and multi-workpiece machining fixture at bottom end surface of liquid storage pot
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
CN203210053U (en) * 2013-04-09 2013-09-25 金坛市诚辉机械制造有限公司 Novel fixture for processing axial hole series of motor body
CN103481091A (en) * 2013-09-02 2014-01-01 广州市科密汽车制动技术开发有限公司 Middle-shell one-procedure multi-station hydraulic clamp
CN103495886A (en) * 2013-09-29 2014-01-08 柳州明宇机械有限公司 Connecting rod fine boring fixture
CN204868246U (en) * 2015-08-04 2015-12-16 重庆山青机械制造有限公司 Cantilever end face milling clamping mechanism that shifts reverses gear in quadruplex position

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111070126A (en) * 2019-12-23 2020-04-28 天津市航宇嘉瑞科技股份有限公司 Combined clamping tool for processing irregular rocker arm product

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