CN105234695A - Machining and clamping mechanism for automobile transmission gear shifting oscillating rod ball head - Google Patents

Machining and clamping mechanism for automobile transmission gear shifting oscillating rod ball head Download PDF

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Publication number
CN105234695A
CN105234695A CN201510690106.3A CN201510690106A CN105234695A CN 105234695 A CN105234695 A CN 105234695A CN 201510690106 A CN201510690106 A CN 201510690106A CN 105234695 A CN105234695 A CN 105234695A
Authority
CN
China
Prior art keywords
oil cylinder
gear
clamping
base
locating piece
Prior art date
Application number
CN201510690106.3A
Other languages
Chinese (zh)
Inventor
王絮起
Original Assignee
重庆颖泉标准件有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 重庆颖泉标准件有限公司 filed Critical 重庆颖泉标准件有限公司
Priority to CN201510690106.3A priority Critical patent/CN105234695A/en
Publication of CN105234695A publication Critical patent/CN105234695A/en

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Classifications

    • 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
    • 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
    • B23Q2703/00Work clamping
    • B23Q2703/02Work clamping means
    • B23Q2703/04Work clamping means using fluid means or a vacuum
    • 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
    • B23Q2703/00Work clamping
    • B23Q2703/02Work clamping means
    • B23Q2703/10Devices for clamping workpieces of a particular form or made from a particular material

Abstract

The invention discloses a machining and clamping mechanism for an automobile transmission gear shifting oscillating rod ball head. Cushion blocks are symmetrically installed at the left and right ends of the top of a base. Each cushion block is in an L shape. A tight ejection oil cylinder is installed on the transverse section of each cushion block. Piston rods of the two tight ejection oil cylinders stretch out in the opposite directions. An ejector rod is connected to the piston rod of each tight ejection oil cylinder. A positioning block is arranged between the two tight ejection oil cylinders. A positioning mandrel is arranged on the positioning block. The axis line of the positioning mandrel perpendicularly intersects with the axis lines of the ejector rods. A compression oil cylinder is arranged behind the positioning block. A cylinder body of the compression oil cylinder is fixed to the base. A piston rod of the compression oil cylinder stretches upwards vertically and is hinged to the rear end of a pressing strip. The pressing strip and the positioning mandrel are located inside the same vertical plane. The machining and clamping mechanism is ingenious in concept, simple in structure, small in size and low in production cost, and accurate positioning of a gear shifting oscillating rod can be achieved through the cooperation of the left and right ejector rods, the positioning block, the positioning mandrel and the pressing strip.

Description

A kind of gear automobile gear-box gear-shifting fork machining on spherical end clamping mechanism
Technical field
The present invention relates to a kind of gear automobile gear-box gear-shifting fork machining on spherical end clamping mechanism, carrying out machining on spherical end for clamping gear shift fork.
Background technology
Gear shift fork is the vitals on automobile gearbox.Existing gear shift fork is generally steel forge piece, be made up of axle sleeve, bulb, leg and wavy surface, axle sleeve is loaded on axle by the shaft hole sleeve at its center, and at the middle part of axle sleeve, radially symmetry offers pin-and-hole, primary and secondary pin is located in pin-and-hole, and axle sleeve and axle are fixed.The bulb of gear shift fork needs to process further on lathe, and gear shift fork must be positioned on lathe by the special clamping device made.Existing clamping device complex structure, volume is comparatively large, and not only assemble difficulty, production cost is high, and clipping operation is loaded down with trivial details, and the efficiency of clamping is not high, and the fixing of clamping does not ensure.
Summary of the invention
Technical problem to be solved by this invention is to provide that a kind of structure is simple, the gear automobile gear-box gear-shifting fork machining on spherical end clamping mechanism of simple operation.
Technical scheme of the present invention is as follows: a kind of gear automobile gear-box gear-shifting fork machining on spherical end clamping mechanism, it is characterized in that: at the two ends, left and right of base top, symmetry installs cushion block, cushion block is " L " shape, be made up of crosspiece and perpendicular section, the crosspiece of cushion block is fixed by bolt and base, the crosspiece of each cushion block is all equipped with stretch oil cylinder, the piston rod of two stretch oil cylinders in left and right stretches out towards relative direction, and the piston rod of each stretch oil cylinder is all connected with push rod, push rod passes from the guide pin bushing of setting-in in the cushion block section of erecting, and the push rod of the right and left point-blank; Between two stretch oil cylinders, be provided with locating piece, locating piece is by base fixed support, and described locating piece is provided with positioning core axle, and the axial line of positioning core axle and the axial line of described push rod intersect vertically; Be provided with compressed oil cylinder at the rear of described locating piece, the cylinder body of this compressed oil cylinder is fixed on base, and the piston rod of compressed oil cylinder stretches out straight up, and hinged with the rear end of press strip, and described press strip and positioning core axle are positioned at same vertical plane.
Adopt above technical scheme, base is fixedly mounted on lathe.When needing clamping gear shift fork, first gear shift fork is placed on locating piece, gear shift fork is supported by locating piece, and the upper end of positioning core axle is stretched in the axle sleeve of gear shift fork, then gear shift fork is rotated, two pin-and-holes on gear shift fork axle sleeve are distinguished just to two push rods, then the action simultaneously of two stretch oil cylinders is controlled, two stretch oil cylinders drive two push rods to move towards relative direction, until two push rods stretch in pin-and-hole corresponding on gear shift fork axle sleeve respectively, finally control compressed oil cylinder action, the piston rod of compressed oil cylinder is protruded upward, the piston rod of compressed oil cylinder drives press strip to swing in vertical plane, make the front end compressing of press strip on gear shift fork.Hold out against in the clamping of the right and left push rod, the support of locating piece, positioning core axle fixed in and press strip pressuring action under, the location of gear shift fork can be realized, so that process the bulb of gear shift fork on lathe.The present invention not only structure is simple, compact, and volume is little, occupies little space, and production cost is low, and assembling is easy, and simple operation, and the fixing of gear shift fork clamping is good, can not occur axial and circumferential mobile, clamp efficiency high.Cushion block is " L " shape, moulding is simple, be easy to processing and fabricating, while being conducive to stretch oil cylinder supporting and location, can be led to push rod by the guide pin bushing of inner setting-in, can prevent push rod from wearing and tearing on the one hand, on the other hand, push rod is only moved at left and right directions, can not offset, thus further ensure that the reliability to gear shift fork clamping position.
One end of described push rod is stretched in the piston rod of stretch oil cylinder, and both are threaded, and the end face of the annular boss that push rod is integrally formed and stretch oil cylinder piston rod reclines, and the other end of push rod is conehead structure.Above structure is easy accessibility between push rod and the piston rod of stretch oil cylinder on the one hand; the fastness connected is good; on the other hand; push rod is located the pin-and-hole on gear shift fork axle sleeve by conehead; both combine closely; do not damaging in the prerequisite of pin-and-hole, the reliability that gear shift fork clamps can guaranteed further.
In order to simplify structure, convenient for assembly, described positioning core axle is from the bottom up through base and locating piece, and fit in the bottom boss of positioning core axle and the bottom surface of base, the upper end of positioning core axle exceeds the end face of locating piece.
For the ease of guiding, between the end face of described positioning core axle and periphery, pass through conical surface transition.
In order to make locating piece processing and fabricating easy, it is firm that base is installed, and described locating piece is packet, and fixed by two symmetrical sunk screws and base.
Beneficial effect: the present invention is skillfully constructed; structure is simple; volume is little, and production cost is low, by the cooperation of the right and left push rod, locating piece, positioning core axle and press strip; gear shift fork can be realized accurately locate; and simple operation, gear shift fork can not occur axially and circumference moves, and the fixing of clamping is good; clamping efficiency is high, effectively can guarantee the machining accuracy of gear shift fork bulb.
Accompanying drawing explanation
Fig. 1 is stereogram of the present invention.
Fig. 2 is front view of the present invention.
Fig. 3 is the F-F sectional view of Fig. 2.
Fig. 4 is the G-G sectional view of Fig. 2.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described:
As shown in Figure 1, Figure 2, Figure 3, Figure 4, the present invention is made up of base 1, stretch oil cylinder 2, push rod 3, locating piece 4, positioning core axle 5, compressed oil cylinder 7, press strip 8 and cushion block 9 etc.Wherein, in two ends, the left and right symmetry at base 1 top, cushion block 9 is installed, cushion block 9 is " L " shape, be made up of crosspiece and perpendicular section, the crosspiece of cushion block 9 is fixed by bolt and base 1, and the crosspiece of each cushion block 9 is all equipped with stretch oil cylinder 2, and the piston rod of two stretch oil cylinders 2 in left and right stretches out towards relative direction, and the piston rod of each stretch oil cylinder 2 is all connected with push rod 3, the push rod 3 of the right and left is point-blank.Push rod 3 passes from the guide pin bushing of setting-in in cushion block 9 section of erecting, one end of push rod 3 is stretched in the piston rod of stretch oil cylinder 2, both are threaded, and the end face of the annular boss that push rod 3 is integrally formed and stretch oil cylinder 2 piston rod reclines, and the other end of push rod 3 is conehead structure.
As shown in Figure 1, Figure 2, Figure 3, Figure 4, be provided with locating piece 4 between two stretch oil cylinders 2, locating piece 4 is packet, and is fixed by two symmetrical sunk screws and base 1, makes locating piece 4 by base 1 fixed support.Locating piece 4 is provided with positioning core axle 5, and the axial line of positioning core axle 5 and the axial line of push rod 3 intersect vertically.Positioning core axle 5 is from the bottom up through base 1 and locating piece 4, fit in the bottom boss of positioning core axle 5 and the bottom surface of base 1, axle body and the locating piece 4 of positioning core axle 5 are fixed, and the upper end of positioning core axle 5 exceeds the end face of locating piece 4, passes through conical surface transition between the end face of positioning core axle 5 and periphery.
As shown in Figure 1, Figure 3, be provided with compressed oil cylinder 7 at the rear of locating piece 4, the cylinder body of this compressed oil cylinder 7 is located in base 1, and the boss of compressed oil cylinder 7 cylinder body upper end is supported by base 1, and the cylinder body of compressed oil cylinder 7 is fixedly connected with base 1 by bolt.The piston rod of compressed oil cylinder 7 stretches out straight up, and hinged with the rear end of press strip 8, and press strip 8 and positioning core axle 5 are positioned at same vertical plane, and press strip 8, under the driving of compressed oil cylinder 7, can swing in vertical plane.
Operation principle of the present invention is as follows:
First gear shift fork 6 is placed on locating piece 4, gear shift fork 6 is supported by locating piece 4, and the upper end of positioning core axle 5 is stretched in the axle sleeve of gear shift fork 6, then gear shift fork 6 is rotated, two pin-and-holes on gear shift fork 6 axle sleeve are distinguished just to two push rods 3, then the action simultaneously of two stretch oil cylinders 2 is controlled, two stretch oil cylinders 2 drive two push rods 3 to move towards relative direction, until two push rods 3 stretch in pin-and-hole corresponding on gear shift fork 6 axle sleeve respectively, finally control compressed oil cylinder 7 action, the piston rod of compressed oil cylinder 7 is protruded upward, the piston rod of compressed oil cylinder 7 drives press strip 8 to swing in vertical plane, make the front end compressing of press strip 8 on gear shift fork 6.Hold out against in the clamping of the right and left push rod 3, the support of locating piece 4, positioning core axle 5 fixed in and press strip 8 pressuring action under, the location of gear shift fork 6 can be realized, so that process the bulb 6a of gear shift fork 6 on lathe.

Claims (5)

1. a gear automobile gear-box gear-shifting fork machining on spherical end clamping mechanism, it is characterized in that: in two ends, the left and right symmetry at base (1) top, cushion block (9) is installed, cushion block (9) is " L " shape, be made up of crosspiece and perpendicular section, the crosspiece of cushion block (9) is fixed by bolt and base (1), stretch oil cylinder (2) crosspiece of each cushion block (9) is all equipped with, the piston rod of two stretch oil cylinders (2) in left and right stretches out towards relative direction, and the piston rod of each stretch oil cylinder (2) is all connected with push rod (3), push rod (3) passes from the guide pin bushing of setting-in in the perpendicular section of cushion block (9), the push rod (3) of the right and left point-blank, locating piece (4) is provided with between two stretch oil cylinders (2), locating piece (4) is by base (1) fixed support, described locating piece (4) is provided with positioning core axle (5), and the axial line of positioning core axle (5) and the axial line of described push rod (3) intersect vertically, compressed oil cylinder (7) is provided with at the rear of described locating piece (4), the cylinder body of this compressed oil cylinder (7) is fixed on base (1), the piston rod of compressed oil cylinder (7) stretches out straight up, and hinged with the rear end of press strip (8), described press strip (8) and positioning core axle (5) are positioned at same vertical plane.
2. gear automobile gear-box gear-shifting fork machining on spherical end clamping mechanism according to claim 1, it is characterized in that: one end of described push rod (3) is stretched in the piston rod of stretch oil cylinder (2), both are threaded, the end face of the annular boss that push rod (3) is integrally formed and stretch oil cylinder (2) piston rod reclines, and the other end of push rod (3) is conehead structure.
3. gear automobile gear-box gear-shifting fork machining on spherical end clamping mechanism according to claim 1 and 2, it is characterized in that: described positioning core axle (5) is from the bottom up through base (1) and locating piece (4), fit in the bottom boss of positioning core axle (5) and the bottom surface of base (1), the upper end of positioning core axle (5) exceeds the end face of locating piece (4).
4. gear automobile gear-box gear-shifting fork machining on spherical end clamping mechanism according to claim 3, is characterized in that: pass through conical surface transition between the end face of described positioning core axle (5) and periphery.
5. gear automobile gear-box gear-shifting fork machining on spherical end clamping mechanism according to claim 3, is characterized in that: described locating piece (4) is packet, and is fixed by two symmetrical sunk screws and base (1).
CN201510690106.3A 2015-10-22 2015-10-22 Machining and clamping mechanism for automobile transmission gear shifting oscillating rod ball head CN105234695A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510690106.3A CN105234695A (en) 2015-10-22 2015-10-22 Machining and clamping mechanism for automobile transmission gear shifting oscillating rod ball head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510690106.3A CN105234695A (en) 2015-10-22 2015-10-22 Machining and clamping mechanism for automobile transmission gear shifting oscillating rod ball head

Publications (1)

Publication Number Publication Date
CN105234695A true CN105234695A (en) 2016-01-13

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20318208U1 (en) * 2003-11-25 2004-02-26 Tünkers Maschinenbau Gmbh Clamping device in particular for use on differently shaped surfaces, comprising several parallel positioned axially movable pins
CN202877930U (en) * 2012-10-15 2013-04-17 中国重型机械研究院股份公司 Circular blank clamping mechanism
CN202952078U (en) * 2012-12-10 2013-05-29 济南一机床集团有限公司 Fixture used for machining speed regulating levelers
CN203649963U (en) * 2014-01-07 2014-06-18 泉州市泉永机械发展有限公司 Fixture for machining chain link shaft hole
CN204075829U (en) * 2014-08-22 2015-01-07 汇大机械制造(湖州)有限公司 The vertical process center fixture of steering box housing
CN204565690U (en) * 2015-04-02 2015-08-19 湖北凡超汽车实业有限责任公司 A kind of axle housing annex bottom surface Milling Process clamping device
CN205166413U (en) * 2015-10-22 2016-04-20 重庆颖泉标准件有限公司 Motor transmission gear shift pendulum rod ball processing clamping machine constructs

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20318208U1 (en) * 2003-11-25 2004-02-26 Tünkers Maschinenbau Gmbh Clamping device in particular for use on differently shaped surfaces, comprising several parallel positioned axially movable pins
CN202877930U (en) * 2012-10-15 2013-04-17 中国重型机械研究院股份公司 Circular blank clamping mechanism
CN202952078U (en) * 2012-12-10 2013-05-29 济南一机床集团有限公司 Fixture used for machining speed regulating levelers
CN203649963U (en) * 2014-01-07 2014-06-18 泉州市泉永机械发展有限公司 Fixture for machining chain link shaft hole
CN204075829U (en) * 2014-08-22 2015-01-07 汇大机械制造(湖州)有限公司 The vertical process center fixture of steering box housing
CN204565690U (en) * 2015-04-02 2015-08-19 湖北凡超汽车实业有限责任公司 A kind of axle housing annex bottom surface Milling Process clamping device
CN205166413U (en) * 2015-10-22 2016-04-20 重庆颖泉标准件有限公司 Motor transmission gear shift pendulum rod ball processing clamping machine constructs

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SE01 Entry into force of request for substantive examination
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RJ01 Rejection of invention patent application after publication

Application publication date: 20160113

RJ01 Rejection of invention patent application after publication