CN105215755A - A kind of mechanism for clamping gear automobile gear-box gear-shifting fork - Google Patents
A kind of mechanism for clamping gear automobile gear-box gear-shifting fork Download PDFInfo
- Publication number
- CN105215755A CN105215755A CN201510695074.6A CN201510695074A CN105215755A CN 105215755 A CN105215755 A CN 105215755A CN 201510695074 A CN201510695074 A CN 201510695074A CN 105215755 A CN105215755 A CN 105215755A
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- China
- Prior art keywords
- gear
- oil cylinder
- locating piece
- base
- clamping
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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
- B23Q3/12—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for securing to a spindle in general
Abstract
The invention discloses a kind of mechanism for clamping gear automobile gear-box gear-shifting fork, the piston rod of two stretch oil cylinders stretches out towards relative direction; Between two stretch oil cylinders, be provided with locating piece, locating piece is provided with positioning core axle; Compressed oil cylinder is provided with at the rear of locating piece, the piston rod of compressed oil cylinder stretches out straight up, and it is hinged with the rear end of press strip, ring flange is provided with at the rear of base, the top attachment reserve seat of ring flange front surface, the top of reserve seat offers the groove of up/down perforation, and the top of switching valve is arranged in this groove, valve body and the ring flange of switching valve fix, and described switching valve is connected with stretch oil cylinder and compressed oil cylinder by pipeline.Structure of the present invention is simple, compact, and volume is little, and production cost is low, and easily, it is firm to be connected with lathe, easy accessibility in assembling, and simple operation, gear shift fork can not occur axially and circumference moves, and the fixing of clamping is good, and clamping efficiency is high.
Description
Technical field
The present invention relates to a kind of mechanism for clamping gear automobile gear-box gear-shifting 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 mechanism for clamping gear automobile gear-box gear-shifting fork of simple operation.
Technical scheme of the present invention is as follows: a kind of mechanism for clamping gear automobile gear-box gear-shifting fork, it is characterized in that: at the two ends, left and right of base top, symmetry installs stretch oil cylinder, the piston rod of these two stretch oil cylinders stretches out towards relative direction, and the piston rod of each stretch oil cylinder is all connected with push rod, the push rod of the right and left is 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;
Ring flange is provided with at the rear of described base, the rear end face of base and the bottom of ring flange front surface fit, base is fixedly connected with ring flange by stay bolt, and at the top of described ring flange front surface attachment reserve seat, this reserve seat is the semi-circular shape that arc withstands on; The top of described reserve seat offers the groove of up/down perforation, and the top of switching valve is arranged in this groove, and valve body and the ring flange of switching valve fix, and described switching valve is connected with stretch oil cylinder and compressed oil cylinder by pipeline.
Adopt above technical scheme, ring flange is fixedly mounted on lathe spindle.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.The present invention is fixed by ring flange and lathe, and dismounting is convenient, and the fixing of connection is good; Moulding and the ring flange of reserve seat adapt, and can increase the structural strength on ring flange top on the one hand, on the other hand, reserve seat offer installing hole, so that arrange other parts needed.The top of the accommodating switching valve of groove at reserve seat top, had both saved the arrangement space of switching valve, can play again the effect of protection to switching valve; Switching valve controls stretch oil cylinder and compressed oil cylinder liquid in-out force feed by pipeline, and switching valve distance oil cylinder is comparatively near, is conducive to pipeline cabling and saves pipeline.
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: structure of the present invention is simple, compact, and volume is little, and production cost is low, easily, it is firm to be connected with lathe, easy accessibility in assembling, and simple operation, gear shift fork can not occur axially and circumference moves, and the fixing of clamping is good, and clamping efficiency is high.
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 and press strip 8 etc.Wherein, install stretch oil cylinder 2 in two ends, the left and right symmetry at base 1 top, the piston rod of these two stretch oil cylinders 2 stretches out towards relative direction, and the piston rod of each stretch oil cylinder 2 is all connected with push rod 3, and the push rod 3 of the right and left point-blank.One end of push rod 3 is stretched in the piston rod of stretch oil cylinder 2, and 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.
As shown in Figure 1 and Figure 2, be provided with ring flange 9 at the rear of base 1, ring flange 9 can be bolted on lathe spindle.The rear end face of base 1 and the bottom of ring flange 9 front surface fit, and the stay bolt that base 1 is arranged side by side by left and right is fixedly connected with ring flange 9.At the top of ring flange 9 front surface attachment reserve seat 10, the semi-circular shape that this reserve seat 10 withstands on for arc, reserve seat 10 is connected with ring flange 9 by bolt, and reserve seat 10 offers spare mounting hole.The top of reserve seat 10 offers the groove of up/down perforation, the top of switching valve 11 is arranged in this groove, valve body and the ring flange 9 of switching valve 11 fix, and switching valve 11 is connected with two stretch oil cylinders 2 and compressed oil cylinder 7 by pipeline, and the action of oil cylinder is controlled to switch by switching valve 11.
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. one kind for clamping the mechanism of gear automobile gear-box gear-shifting fork, it is characterized in that: in two ends, the left and right symmetry at base (1) top, stretch oil cylinder (2) is installed, the piston rod of these two stretch oil cylinders (2) 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; 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;
Ring flange (9) is provided with at the rear of described base (1), the rear end face of base (1) and the bottom of ring flange (9) front surface fit, base (1) is fixedly connected with ring flange (9) by stay bolt, on the top of described ring flange (9) front surface attachment reserve seat (10), the semi-circular shape that this reserve seat (10) withstands on for arc; The top of described reserve seat (10) offers the groove of up/down perforation, the top of switching valve (11) is arranged in this groove, valve body and the ring flange (9) of switching valve (11) fix, and described switching valve (11) is connected with stretch oil cylinder (2) and compressed oil cylinder (7) by pipeline.
2. the mechanism for clamping gear automobile gear-box gear-shifting fork 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. the mechanism for clamping gear automobile gear-box gear-shifting fork 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. the mechanism for clamping gear automobile gear-box gear-shifting fork 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. the mechanism for clamping gear automobile gear-box gear-shifting fork 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).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510695074.6A CN105215755B (en) | 2015-10-22 | 2015-10-22 | A kind of mechanism for being used to clamp gear automobile gear-box gear-shifting swing rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510695074.6A CN105215755B (en) | 2015-10-22 | 2015-10-22 | A kind of mechanism for being used to clamp gear automobile gear-box gear-shifting swing rod |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105215755A true CN105215755A (en) | 2016-01-06 |
| CN105215755B CN105215755B (en) | 2017-07-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510695074.6A Active CN105215755B (en) | 2015-10-22 | 2015-10-22 | A kind of mechanism for being used to clamp gear automobile gear-box gear-shifting swing rod |
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| Country | Link |
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| CN (1) | CN105215755B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106493596B (en) * | 2016-12-23 | 2018-05-25 | 贵州航飞精密制造有限公司 | A kind of pipe fitting indexes processing unit (plant) |
Citations (7)
| 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 |
| CN202922276U (en) * | 2012-11-08 | 2013-05-08 | 毛栋磊 | Clamp for fixing multiple valve bodies during machining process |
| 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 |
| 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 |
| CN205166495U (en) * | 2015-10-22 | 2016-04-20 | 重庆颖泉标准件有限公司 | A mechanism for pressing from both sides tight motor transmission gear shift pendulum rod |
-
2015
- 2015-10-22 CN CN201510695074.6A patent/CN105215755B/en active Active
Patent Citations (7)
| 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 |
| CN202922276U (en) * | 2012-11-08 | 2013-05-08 | 毛栋磊 | Clamp for fixing multiple valve bodies during machining process |
| 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 |
| 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 |
| CN205166495U (en) * | 2015-10-22 | 2016-04-20 | 重庆颖泉标准件有限公司 | A mechanism for pressing from both sides tight motor transmission gear shift pendulum rod |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106493596B (en) * | 2016-12-23 | 2018-05-25 | 贵州航飞精密制造有限公司 | A kind of pipe fitting indexes processing unit (plant) |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105215755B (en) | 2017-07-28 |
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Effective date of registration: 20181107 Address after: 402760 No. 19, Qingyang Road, Qinggang street, Bishan District, Chongqing Patentee after: Chongqing new fountain Beijing Great Automotive Components Company Limited Address before: 402761 Chongqing Bishan District Qinggang Street Shiyang Second Road Patentee before: CHONGQING YINGQUAN STANDARD PARTS CO., LTD. |
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