CN205184372U - Eccentric anchor clamps of general bent axle of adjustable - Google Patents
Eccentric anchor clamps of general bent axle of adjustable Download PDFInfo
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- CN205184372U CN205184372U CN201520960653.4U CN201520960653U CN205184372U CN 205184372 U CN205184372 U CN 205184372U CN 201520960653 U CN201520960653 U CN 201520960653U CN 205184372 U CN205184372 U CN 205184372U
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- crank shaft
- adjustable plate
- fixed head
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Abstract
The utility model discloses an eccentric anchor clamps of general bent axle of adjustable, include: headstock and tailstock, the tailstock includes: the right branch frame, be connected with right fixed plate on the right branch frame, right side fixed plate is connected with right regulating plate, connect through the tongue -and -groove between right side fixed plate and the right regulating plate, right side regulating plate is connected with the V -arrangement piece, the headstock includes: left socle, left fixed plate, left regulating plate and claw dish, the left socle is connected with left fixed plate, left side fixed plate is connected with left regulating plate, be connected through the tongue -and -groove between a left side fixed plate and the left regulating plate, be connected with the dabber on the regulating plate of a left side, the spindle cover is equipped with the connection pad, still be equipped with the graduated disk on the connection pad, the connection pad is connected with the claw dish, be equipped with the bearing between dabber and the connection pad, regulation stroke that can be quick and the processing angle that needs.
Description
Technical field
The utility model relates to jig field, particularly relates to a kind of adjustable general eccentric clamp of crank shaft.
Background technology
We know, bent axle is withstand shocks in engine one of load, the strength member transmitting power, its structure and stressed complexity, live load is large, in order to ensure the stationarity of engine operation, 120 °, 60 °, 72 °, 90 °, 180 ° or more are distributed with to the connecting rod neck phase angle of different bent axles.And requirement on machining accuracy is all very high.Turning or grinding crank-shaft link neck, all have employed eccentric fixture.Adjust eccentric throw with leading screw and nut structure for small crank, but because eccentricity of crankshaft dimension precision requirement is higher, in order to meet this requirement, fixing eccentric packing be have employed mostly for Large Crankshaft, eccentric packing one end is installed on machine tool chief axis, the other end is connected with clamp body or clamp base by rectangular rail, and rotational lead screw drives clamp body or clamp base to move relative to eccentric packing by nut, adjusts the eccentric throw required by different bent axle.Not only time-consuming, be also difficult to ensure required precision.Because bent axle is wide in variety, eccentric throw differs, and makes every sleeve clamp all need an eccentric packing, causes fixture manufacturing cost high.
Summary of the invention
The purpose of this utility model is to overcome the above-mentioned problems in the prior art, a kind of adjustable general eccentric clamp of crank shaft is proposed, lathe headstock and tailstock all install adjustable eccentric formula device, headstock end eccentric disc installs six dog chucks, afterbody eccentric disc mounting strap V-type connecting support seat, meet the use of the different calibration of all different connecting rod necks, and be applicable to all different connecting rod neck radius of gyration.Practical, simple and quick, compare special fixture and reduce very large cost, decrease and process non-cutting time, under ensureing the condition of required precision, improve production efficiency.
The purpose of this utility model is realized by following technical proposals:
A kind of adjustable general eccentric clamp of crank shaft, comprise: headstock and tailstock, described tailstock comprises: right support, described right support is connected with right fixed head, described right fixed head is connected with right adjustable plate, connected by tongue-and-groove between described right fixed head and right adjustable plate, described right adjustable plate is connected with vee-block, described headstock comprises: left socle, left fixed head, left adjustable plate and pawl dish, institute's left socle is connected with left fixed head, described left fixed head is connected with left adjustable plate, described left fixed head is connected by tongue-and-groove with between left adjustable plate, described left adjustable plate is connected with mandrel, described mandrel is set with terminal pad, described terminal pad is connected with pawl dish, bearing is provided with between described mandrel and terminal pad.
The adjustable general eccentric clamp of crank shaft of one of the present utility model, described terminal pad is also set with brake disc outward, described brake disc is provided with a telescopic mouth, the vertical direction of described telescopic mouth is provided with locking screw nail, lock-screw is equipped with in described locking screw nail, described lock-screw, also through the pressing plate be connected on left adjustable plate, makes brake disc and left adjustable plate fix.
The adjustable general eccentric clamp of crank shaft of one of the present utility model, described terminal pad extenal fixation is connected with index dial, the excircle of described index dial is evenly provided with some calibration breach, described calibration indentation, there is provided with brake bar, and described brake bar is through pressing plate.
The adjustable general eccentric clamp of crank shaft of one of the present utility model, described brake bar top is provided with handle.
The adjustable general eccentric clamp of crank shaft of one of the present utility model, described calibration breach is 8,12 or 16.
The adjustable general eccentric clamp of crank shaft of one of the present utility model, described brake disc inner ring is evenly provided with some U-type groove.
The adjustable general eccentric clamp of crank shaft of one of the present utility model, described brake bar is positioned at pressing plate low portion and is set with back-moving spring, described brake bar is provided with positive stop lug boss, described back-moving spring bottom contacts with the positive stop lug boss on brake bar, and described spring top contacts with pressing plate.
The adjustable general eccentric clamp of crank shaft of one of the present utility model, is also provided with end face bearing between described terminal pad and left adjustable plate.
According to technique scheme, the beneficial effects of the utility model are: propose a kind of adjustable general eccentric clamp of crank shaft, lathe headstock and tailstock all install adjustable eccentric formula device, headstock end eccentric disc installs six dog chucks, afterbody eccentric disc mounting strap V-type connecting support seat, meet the use of the different calibration of all different connecting rod necks, and be applicable to all different connecting rod neck radius of gyration.Practical, simple and quick, compare special fixture and reduce very large cost, decrease and process non-cutting time, under ensureing the condition of required precision, improve production efficiency.
Accompanying drawing explanation
Fig. 1 is a kind of adjustable general eccentric clamp of crank shaft schematic diagram of the utility model;
Fig. 2 is a kind of adjustable general eccentric clamp of crank shaft index dial partial illustrations of the utility model;
Fig. 3 is a kind of adjustable general eccentric clamp of crank shaft brake disc partial illustrations of the utility model.
Detailed description of the invention
Below in conjunction with specific embodiments and the drawings, the utility model is further described.
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model
As the embodiment that Fig. 1-3 is a kind of adjustable general eccentric clamp of crank shaft of the utility model,
A kind of adjustable general eccentric clamp of crank shaft, comprise: headstock and tailstock, described tailstock comprises: right support 1A, described right support 1A is connected with right fixed head 2A, described right fixed head 2A is connected with right adjustable plate 3A, connected by tongue-and-groove between described right fixed head 2A and right adjustable plate 3A, described right adjustable plate 3A is connected with vee-block 5, described headstock comprises: left socle 1, left fixed head 2, left adjustable plate 3 and pawl dish 4, institute's left socle 1 is connected with left fixed head 2, described left fixed head 2 is connected with left adjustable plate 3, be connected by tongue-and-groove between described left fixed head 2 with left adjustable plate 3, described left adjustable plate 3 is connected with mandrel 6, described mandrel 6 is set with terminal pad 16, described terminal pad 16 is connected with pawl dish 4, bearing 8 is provided with between described mandrel 6 and terminal pad 16, described terminal pad 16 is outer is also set with brake disc 7, described brake disc 7 is provided with a telescopic mouth, the vertical direction of described telescopic mouth is provided with locking screw nail 701, lock-screw 11 is equipped with in described locking screw nail 701, described lock-screw 11 is also through the pressing plate 13 be connected on left adjustable plate 3, brake disc 7 is fixed with left adjustable plate 3, described terminal pad 16 extenal fixation is connected with index dial 15, the excircle of described index dial is evenly provided with some calibration breach 151, described calibration breach 151 place is provided with brake bar 14, described brake bar 14 is through pressing plate 13, described brake bar 14 top is provided with handle 12, described calibration breach 151 is 8, 12 or 16, described brake disc 7 inner ring is evenly provided with some U-type groove 702, described brake bar 14 is positioned at pressing plate 13 low portion and is set with back-moving spring, described brake bar 14 is provided with positive stop lug boss, described back-moving spring bottom contacts with the positive stop lug boss on brake bar, described spring top contacts with pressing plate 13, end face bearing 10 is also provided with between described terminal pad 16 and left adjustable plate 3.
Operation principle: because lathe headstock and tailstock all install adjustable eccentric formula device, connecting rod neck is made to add man-hour by regulating the position of tongue-and-groove, the center superposition of its connecting rod neck center and machine tool chief axis, and side is set can be adjusted to predetermined angle fast of index dial, need not all resettings at every turn, improve operating efficiency, its implementation procedure is, index dial and pawl dish are integrally connected, located by brake bar during rotation, then be tightened to by Brake disc lock and reach thus practical function, and seat end eccentric disc installs six dog chucks, afterbody eccentric disc mounting strap V-type connecting support seat makes the clamping of bent axle more stable.
Owing to have employed above-mentioned technical scheme, the beneficial effects of the utility model are:
A kind of adjustable general eccentric clamp of crank shaft is proposed, lathe headstock and tailstock all install adjustable eccentric formula device, headstock end eccentric disc installs six dog chucks, afterbody eccentric disc mounting strap V-type connecting support seat, meet the use of the different calibration of all different connecting rod necks, and be applicable to all different connecting rod neck radius of gyration.Practical, simple and quick, compare special fixture and reduce very large cost, decrease and process non-cutting time, under ensureing the condition of required precision, improve production efficiency.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (8)
1. an adjustable general eccentric clamp of crank shaft, it is characterized in that, comprise: headstock and tailstock, described tailstock comprises: right support (1A), described right support (1A) is connected with right fixed head (2A), described right fixed head (2A) is connected with right adjustable plate (3A), connected by tongue-and-groove between described right fixed head (2A) and right adjustable plate (3A), described right adjustable plate (3A) is connected with vee-block (5), described headstock comprises: left socle (1), left fixed head (2), left adjustable plate (3) and pawl dish (4), institute's left socle (1) is connected with left fixed head (2), described left fixed head (2) is connected with left adjustable plate (3), described left fixed head (2) is connected by tongue-and-groove with between left adjustable plate (3), described left adjustable plate (3) is connected with mandrel (6), described mandrel (6) is set with terminal pad (16), described terminal pad (16) is connected with pawl dish (4), bearing (8) is provided with between described mandrel (6) and terminal pad (16).
2. the adjustable general eccentric clamp of crank shaft of one according to claim 1, it is characterized in that: described terminal pad (16) is also set with brake disc (7) outward, described brake disc (7) is provided with a telescopic mouth, the vertical direction of described telescopic mouth is provided with locking screw nail (701), lock-screw (11) is equipped with in described locking screw nail (701), described lock-screw (11), also through the pressing plate (13) be connected on left adjustable plate (3), makes brake disc (7) fix with left adjustable plate (3).
3. the adjustable general eccentric clamp of crank shaft of one according to claim 2, it is characterized in that: described terminal pad (16) extenal fixation is connected with index dial (15), the excircle of described index dial is evenly provided with some calibration breach (151), described calibration breach (151) place is provided with brake bar (14), and described brake bar (14) is through pressing plate (13).
4. the adjustable general eccentric clamp of crank shaft of one according to claim 3, is characterized in that: described brake bar (14) top is provided with handle (12).
5. the adjustable general eccentric clamp of crank shaft of one according to claim 3, is characterized in that: described calibration breach (151) is 8,12 or 16.
6. the adjustable general eccentric clamp of crank shaft of one according to claim 2, is characterized in that: described brake disc (7) inner ring is evenly provided with some U-type groove (702).
7. the adjustable general eccentric clamp of crank shaft of the one according to claim 3 or 4, it is characterized in that: described brake bar (14) is positioned at pressing plate (13) low portion and is set with back-moving spring, described brake bar (14) is provided with positive stop lug boss, described back-moving spring bottom contacts with the positive stop lug boss on brake bar, and described spring top contacts with pressing plate (13).
8. the adjustable general eccentric clamp of crank shaft of one according to claim 1, is characterized in that: be also provided with end face bearing (10) between described terminal pad (16) and left adjustable plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520960653.4U CN205184372U (en) | 2015-11-28 | 2015-11-28 | Eccentric anchor clamps of general bent axle of adjustable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520960653.4U CN205184372U (en) | 2015-11-28 | 2015-11-28 | Eccentric anchor clamps of general bent axle of adjustable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205184372U true CN205184372U (en) | 2016-04-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520960653.4U Active CN205184372U (en) | 2015-11-28 | 2015-11-28 | Eccentric anchor clamps of general bent axle of adjustable |
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| Country | Link |
|---|---|
| CN (1) | CN205184372U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107877278A (en) * | 2017-11-09 | 2018-04-06 | 中北大学 | A kind of universal fixturing of engine crankshaft crank-pin processing |
-
2015
- 2015-11-28 CN CN201520960653.4U patent/CN205184372U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107877278A (en) * | 2017-11-09 | 2018-04-06 | 中北大学 | A kind of universal fixturing of engine crankshaft crank-pin processing |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |