CN102303256B - Clamp for drilling and milling bottom cylinder of shock absorber - Google Patents

Clamp for drilling and milling bottom cylinder of shock absorber Download PDF

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Publication number
CN102303256B
CN102303256B CN 201110247363 CN201110247363A CN102303256B CN 102303256 B CN102303256 B CN 102303256B CN 201110247363 CN201110247363 CN 201110247363 CN 201110247363 A CN201110247363 A CN 201110247363A CN 102303256 B CN102303256 B CN 102303256B
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CN
China
Prior art keywords
support
cylinder
hold
apotting
apotting spindle
Prior art date
Application number
CN 201110247363
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Chinese (zh)
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CN102303256A (en
Inventor
刘勇
王纯华
蒋文革
Original Assignee
重庆川东减震制造有限公司
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Application filed by 重庆川东减震制造有限公司 filed Critical 重庆川东减震制造有限公司
Priority to CN 201110247363 priority Critical patent/CN102303256B/en
Publication of CN102303256A publication Critical patent/CN102303256A/en
Application granted granted Critical
Publication of CN102303256B publication Critical patent/CN102303256B/en

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Abstract

The invention discloses a clamp for drilling and milling a bottom cylinder of a shock absorber. The clamp comprises a bottom plate, wherein a fixed supporting seat is fixed on the bottom plate; a positioning core shaft and a corner oil cylinder are fixed on the fixed supporting seat; a piston rod of the corner oil cylinder extends out of the fixed supporting seat; an extending end of the piston rod of the corner oil cylinder is connected with a pulling rod; the pulling rod and the positioning core shaft are arranged in parallel and positioned on the same side of the fixed supporting seat; a pressing plate is fixed at an outer end of the pulling rod; a pressing head is fixed on the pressing plate; and the pressing head faces the outer end of the positioning core shaft. The clamp can be applied to drilling and milling of bottom cylinders of all types; and an inner hole is adopted for positioning during processing, so a reference transfer error is reduced. The clamp for drilling and milling the bottom cylinder of the shock absorber has the characteristics of simple structure, high processing efficiency, high processing accuracy and the like.

Description

The shock-absorber cylinder drilling-milling clamper
Technical field
The present invention relates to the clamp technology field, especially relate to tube drilling-milling clamper at the bottom of a kind of motorcycle vibration absorber.
Background technology
In order to relax impact and the vibrations that are subjected to because road is rough and uneven in surface in the process of moving with the decay motorcycle, guarantee ride comfort and the comfortableness of driving, be conducive to improve the service life of motorcycle and the stability of manipulation, be provided with dampening arrangement on the motorcycle.End tube is an important component part of damper, and be a difficult point at present to the processing of end tube, dual mode is generally adopted in the processing of end tube at present: one is that two ends hold out against and adopt other supplemental support mode, this mode is processed the end during tube, weak point is that machining accuracy end tube adjustment supplemental support not high, that change different cultivars is cumbersome, thereby is not suitable for the tube processing of many kinds end; Another one is to adopt internal expanding axle mode, and this kind mode is adjusted simple relatively, but needs before the processing earlier with apotting spindle of every end wound packages, and labour intensity greatly or need other people to assist like this.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of processing location that can effectively realize end tube, the shock-absorber cylinder drilling-milling clamper of novelty simple in structure.
Technical scheme of the present invention is as follows: a kind of shock-absorber cylinder drilling-milling clamper, its main points are: comprise base plate, at this base plate hold-down support is arranged fixedly, at this hold-down support apotting spindle and corner oil cylinder are arranged fixedly, the piston rod of described corner oil cylinder stretches out described hold-down support, and the piston rod external part of this corner oil cylinder is connected with pull bar, described pull bar and apotting spindle be arranged in parallel, and this pull bar and apotting spindle are positioned at the same side of described hold-down support, fixedly there is pressing plate outer end at described pull bar, at this pressing plate pressure head is arranged fixedly, the outer end of this pressure head and described apotting spindle is over against setting.Adopt above structure, the present invention is installed on the lathe, then end jacket casing is contained on the above-mentioned apotting spindle, start the corner oil cylinder, under the effect of corner oil cylinder, the piston rod of this corner oil cylinder pulling pull bar, make pull bar pulling pressing plate tube at the bottom of the workpiece move, so tube at the bottom of the realization pressure head workpiece pressing at this moment, can bore end tube and mill; After end tube machines, start the corner oil cylinder, make its rotation, come thereby pressing plate and pressure head and end tube dodged, the end tube that can will process this moment takes off, and changes the end tube that needs processing again, and so circulation gets final product.In the above structure, can according to different size in other words the end tube in aperture change apotting spindle, so can realize that the brill of tube mills processing at the bottom of the different model, the scope of application increases greatly.In the said structure, workpiece is sleeved on the apotting spindle, adopts the endoporus location, make the design of machining benchmark and workpiece unified, reduced the benchmark transmission error.
At described base plate sliding support is installed, be enclosed within on the described pull bar outside this sliding support top, and this sliding support is between described hold-down support and pressing plate.Adopt above structure, because the existence of sliding support is played the effect of a support to pull bar, so increased the stability of pull bar, finally realized the reliable clamping and positioning of tube at the bottom of the workpiece.
Described apotting spindle is two, two these apotting spindle secured in parallel are on described hold-down support, and two these apotting spindles are symmetricly set on the both sides of described corner oil cylinder, on described pressing plate, all fixedly have with the outer end of two described apotting spindles over against described pressure head.Adopt above structure, can realize the processing of tube at the bottom of two has been improved operating efficiency.
At described base plate the cylinder positioning support is arranged fixedly, this cylinder positioning support is between described apotting spindle and pressure head, and this cylinder positioning support is positioned at the extended line below of described apotting spindle.Adopt above structure, when tube at the bottom of the apotting spindle cover is loaded onto workpiece, the cylinder piston rod of cylinder positioning support moves upward, its upper end can be carried out a support to the part plan of tube at the bottom of the workpiece, thereby can be good at guaranteeing the location of workpiece rotation direction, utilize the cylinder stroke to reduce supplemental support, easy to adjust when using simultaneously.
Be installed with back-up ring at described apotting spindle, described hold-down support is close in a side of this back-up ring, and the another side is provided with annular knurl; In the outer end of described pressure head and described apotting spindle over against an end face be provided with annular knurl.Adopt above structure, when jacket casing at the bottom of the workpiece is contained in when processing on the apotting spindle, because back-up ring all is provided with annular knurl with the side that pressure head contacts with workpiece, increased like this and workpiece between coefficient of friction, and the normal pressure that provides by the corner oil cylinder, its frictional force that provides is enough to the balance workpiece and mills the cutting force that is subjected in the process at brill, adopt supplemental support to compare to reduce with frock in the past adjust, the clamping time, simplified operation.
Beneficial effect: employing of the present invention can adapt to that the brill of tube mills processing at the bottom of the various models, adds to adopt the endoporus location man-hour, has reduced the benchmark transmission error; Simple in structure, characteristics such as working (machining) efficiency is high, machining accuracy height that the present invention has.
Description of drawings
Fig. 1 is structure intention of the present invention;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the right view of Fig. 1.
The specific embodiment
The present invention is further illustrated below in conjunction with accompanying drawing.
See also Fig. 1, Fig. 2 and Fig. 3: a kind of shock-absorber cylinder drilling-milling clamper, comprise base plate 1, this base plate 1 is a flat board, can certainly select the base plate of other structure, at this base plate 1 hold-down support 2 is arranged fixedly, this hold-down support 2 is fixed on the left part of described base plate 1, pass through hexagon socket cap head screw at this hold-down support 2, plain washer and spring washer fixedly have two apotting spindles 3, simultaneously on this hold-down support 2, by screw corner oil cylinder 4 is arranged fixedly, two described apotting spindle 3 secured in parallel are on described hold-down support 2, and two these apotting spindles 3 are symmetricly set on the both sides of described corner oil cylinder 4, the piston rod of described corner oil cylinder 4 stretches out described hold-down support 2, and the piston rod external part of this corner oil cylinder 4 is connected with pull bar 5 through hex nut, described pull bar 5 and apotting spindle 3 be arranged in parallel, and this pull bar 5 and apotting spindle 3 are positioned at the same side of described hold-down support 2, fixedly there is pressing plate 6 outer end at described pull bar 5, be positioned on described this pressing plates 6 of described pull bar 5 both sides and all pass through hexagon socket cap head screw, plain washer and spring washer fixedly have the outer end of 7, two these pressure heads 7 of pressure head and two described apotting spindles 3 respectively over against setting.
At described base plate 1 sliding support 9 is installed, be enclosed within on the described pull bar 5 outside these sliding support 9 tops, and this sliding support 9 is between described hold-down support 2 and pressing plate 6; At described base plate 1 cylinder positioning support 8 is arranged fixedly, this cylinder positioning support 8 is between described apotting spindle 3 and pressure head 7, and this cylinder positioning support 8 is positioned at the extended line below of described apotting spindle 3, when tube at the bottom of suit workpiece on the described apotting spindle 3 adds man-hour, the cylinder piston rod of described cylinder positioning support 8 protrudes upward and can carry out supplemental support to tube at the bottom of the workpiece.
See also Fig. 3: be installed with back-up ring 10 at described apotting spindle 3, described hold-down support 2 is close in a side of this back-up ring 10, and the another side is provided with annular knurl; In the outer end of described pressure head 7 and described apotting spindle 3 over against an end face be provided with annular knurl.
The above only is preferred embodiment of the present invention; it is not restriction with the present invention; all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc.; not only can process tube at the bottom of the motorcycle vibration absorber as the present invention, all should be included within protection scope of the present invention as long as can adopt the present invention to carry out clamping processing etc. with the similar cylindrical workpiece of end tube.

Claims (4)

1. A kind of shock-absorber cylinder drilling-milling clamper, it is characterized in that: comprise base plate (1), at this base plate (1) hold-down support (2) is arranged fixedly, at this hold-down support (2) apotting spindle (3) and corner oil cylinder (4) are arranged fixedly, the piston rod of described corner oil cylinder (4) stretches out described hold-down support (2), and the piston rod external part of this corner oil cylinder (4) is connected with pull bar (5), described pull bar (5) and apotting spindle (3) be arranged in parallel, and this pull bar (5) and apotting spindle (3) are positioned at the same side of described hold-down support (2), in the outer end of described pull bar (5) pressing plate (6) is arranged fixedly, at this pressing plate (6) pressure head (7) is arranged fixedly, the outer end of this pressure head (7) and described apotting spindle (3) is over against setting; Described apotting spindle (3) is two, two these apotting spindles (3) secured in parallel is on described hold-down support (2), and two these apotting spindles (3) are symmetricly set on the both sides of described corner oil cylinder (4), on described pressing plate (6), all fixedly have with the outer end of two described apotting spindles (3) over against described pressure head (7).
2. Shock-absorber cylinder drilling-milling clamper according to claim 1, it is characterized in that: at described base plate (1) sliding support (9) is installed, this sliding support (9) is enclosed within on the described pull bar (5) outside the top, and this sliding support (9) is positioned between described hold-down support (2) and the pressing plate (6).
3. Shock-absorber cylinder drilling-milling clamper according to claim 1, it is characterized in that: at described base plate (1) cylinder positioning support (8) is arranged fixedly, this cylinder positioning support (8) is positioned between described apotting spindle (3) and the pressure head (7), and this cylinder positioning support (8) is positioned at the extended line below of described apotting spindle (3).
4. Shock-absorber cylinder drilling-milling clamper according to claim 1 is characterized in that: be installed with back-up ring (10) at described apotting spindle (3), described hold-down support (2) is close in a side of this back-up ring (10), and the another side is provided with annular knurl; In the outer end of described pressure head (7) and described apotting spindle (3) over against an end face be provided with annular knurl.
CN 201110247363 2011-08-24 2011-08-24 Clamp for drilling and milling bottom cylinder of shock absorber CN102303256B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201110247363 CN102303256B (en) 2011-08-24 2011-08-24 Clamp for drilling and milling bottom cylinder of shock absorber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201110247363 CN102303256B (en) 2011-08-24 2011-08-24 Clamp for drilling and milling bottom cylinder of shock absorber

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CN102303256A CN102303256A (en) 2012-01-04
CN102303256B true CN102303256B (en) 2013-09-18

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103624583A (en) * 2013-11-08 2014-03-12 吴中区木渎蒯斌模具加工厂 Bent shaft vertical-end milling clamp
CN103624588A (en) * 2013-11-08 2014-03-12 吴中区木渎蒯斌模具加工厂 Application method for vertical end milling fixture of crankshaft
CN104325325A (en) * 2014-10-20 2015-02-04 芜湖市泰能电热器具有限公司 Shell milling fixture
CN109108680A (en) * 2018-07-30 2019-01-01 绍兴市蚁众机械科技有限公司 A kind of positioning process tooling

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CN201579611U (en) * 2009-11-25 2010-09-15 宜兴市佳力科技有限公司 Motorcycle shock absorber drill jig
CN201889656U (en) * 2010-11-21 2011-07-06 浙江得力机床制造有限公司 Workpiece clamping device for band sawing machine
CN202224974U (en) * 2011-08-24 2012-05-23 重庆川东减震制造有限公司 Drilling-milling fixture for bottom barrel of shock absorber

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