CN201979402U - Ground finish and measurement device for shaft parts - Google Patents
Ground finish and measurement device for shaft parts Download PDFInfo
- Publication number
- CN201979402U CN201979402U CN2010206938037U CN201020693803U CN201979402U CN 201979402 U CN201979402 U CN 201979402U CN 2010206938037 U CN2010206938037 U CN 2010206938037U CN 201020693803 U CN201020693803 U CN 201020693803U CN 201979402 U CN201979402 U CN 201979402U
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- elasticity measurement
- axial workpiece
- installing rack
- elastic hinge
- measurement arm
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Abstract
The utility model discloses a ground finish and measurement device for shaft parts. The ground finish and measurement device comprises a mounting rack, wherein the mounting rack is provided with an elastic hinge, one end of the elastic hinge is a fixed end fixedly connected with the mounting rack, and the other end of the elastic hinge is a free end; a notch is arranged on an elastic connection part between the fixed end and the free end; the free end of the elastic hinge is fixedly connected with an elastic measuring arm, one end of the elastic measuring arm, far away from the elastic hinge, is provided with a contact terminal used for pressing fit with a shaft part to be measured; a pretightening spring is arranged between the mounting rack and the elastic measuring arm and is used for pretightening the elastic measuring arm so as to make the contact terminal of the elastic measuring arm support against on the shaft part; one of the mounting rack and the elastic measuring arm is provided with a magnetic core, and the other one is provided with an electromagnetic coil correspondingly spliced and matched with the magnetic core for use; the opening/closing direction of the elastic hinge on the notch is identical to the moving direction of the splicing movement between the magnetic core and the electromagnetic coil; and the electromagnetic coil outputs measured signals through a transmission line.
Description
Technical field
The utility model belongs to field of measuring technique, particularly a kind of axial workpiece grinding measurement mechanism.
Background technology
Along with the fast development of modern industry, more and more higher to kind, specification, the required precision of axial workpiece, this has just proposed high requirement to the grinding measurement mechanism of axial workpiece.Mostly the Grinding Technology of transmission is to adopt the journal size of miking axial workpiece after parking, relatively lose time, and causes measuring inefficiency, and further influence is to the grinding efficient of axial workpiece.
Simultaneously, along with the great development of automobile industry, more and more higher to the crank processing precision requirement as the engine core parts, this has just proposed higher requirement to measurement mechanism, require it satisfying its measurement efficient of raising under the prerequisite of certainty of measurement, to satisfy processing efficient to bent axle.
The utility model content
The purpose of this utility model is to provide a kind of axial workpiece grinding measurement mechanism, to solve the technical problem of in the prior art axial workpiece grinding being measured inefficiency.
For achieving the above object, a kind of axial workpiece grinding measurement mechanism that the utility model provides adopts following technical scheme: a kind of axial workpiece grinding measurement mechanism, comprise installing rack, installing rack is provided with elastic hinge, one end of this elastic hinge is the stiff end that is connected with installing rack, the other end is a free end, elastic hinge is provided with and is connected and fixed end and free-ended elastic joint part, between stiff end and free end, be provided with otch on the elastic joint part, be fixed with the elasticity measurement arm on the free end of described elastic hinge, end away from elastic hinge of elasticity measurement arm is provided with and is used for the contact terminal that cooperates with axial workpiece roof pressure to be measured, between installing rack and elasticity measurement arm, be provided with and be used for elasticity measurement arm pretension so that the preloading spring of contact terminal roof pressure on axial workpiece of elasticity measurement arm, in installing rack and the elasticity measurement arm one of them is provided with magnetic core, another is provided with the solenoid that corresponding grafting with magnetic core is used, described elastic hinge is identical with the grafting direction of motion of magnetic core and solenoid in the folding direction of incision, and solenoid is exported measuring-signal by transmission line.
Be provided with between described elasticity measurement arm and the installing rack along the guider of the grafting direction guiding of magnetic core and solenoid.
Described guider comprises the lead along magnetic core and the extension of solenoid grafting direction that is provided with on the installing rack, and the elasticity measurement arm is provided with the gathering sill that cooperates with the lead slide-and-guide.
Described elasticity measurement arm comprises Connection Block of fixedlying connected with elastic hinge and the elasticity measurement arm body that is installed on the Connection Block, described contact terminal is arranged on the end away from Connection Block of elasticity measurement arm body, the gathering sill that is provided with on the described elasticity measurement arm is the chute that is provided with in the corresponding section of lead on the Connection Block, and it extends radially outwardly to be useful on the corresponding side surface roof pressure of Connection Block and cooperates with the flange spacing to Connection Block in the lead upper edge.
Described elasticity measurement arm comprises Connection Block of fixedlying connected with elastic hinge and the elasticity measurement arm body that is installed on the Connection Block, and described contact terminal is arranged on the end away from Connection Block of elasticity measurement arm body.
Described elasticity measurement arm body is installed on the Connection Block by guiding mechanism, and this guiding mechanism comprises that the adjustment rack of fixedlying connected with Connection Block and rotation are assemblied in and adjust bolt on the adjustment rack, described elasticity measurement arm body with adjust bolt thread and cooperate.
Described elastic hinge is connected with the installing rack bolt, and described Connection Block is connected with the elastic hinge bolt.
Described preloading spring is extension spring, one end of this extension spring is fixed on the installing rack, the other end is fixed on the Connection Block, and the contact terminal that the active force of extension spring makes elastic hinge be provided with on described elasticity measurement arm around the stiff end that elastic hinge is connected with installing rack compresses the direction of axial workpiece and rotates.
Be fixedly connected with on the described installing rack and elasticity measurement arm corresponding matching realizes axial workpiece is clamped the fixation measuring arm that detects, be provided with at the end away from installing rack of fixation measuring arm and be used for the auxiliary contact terminal of roof pressure on axial workpiece.
Described fixation measuring arm comprises the holder and the fixation measuring arm body that by micro-adjusting mechanism with holder be connected fixedly connected with installing rack, described auxiliary contact terminal is arranged on the end away from installing rack of fixation measuring arm body, described micro-adjusting mechanism comprises adjustment plate that one is extended on the holder and the trimming bolt that is rotatably assorted with the adjustment plate, described fixation measuring arm body and trimming bolt threaded engagement.
The beneficial effects of the utility model are: the axial workpiece grinding measurement mechanism installing rack in the utility model is provided with elastic hinge, free end at elastic hinge is fixed with the elasticity measurement arm, the contact terminal roof pressure that elasticity measurement arm end is provided with by preloading spring is on axial workpiece to be measured, and on one of them in installing rack and elasticity measurement arm magnetic core is set, the corresponding solenoid that is used with magnetic core is set on another, when using this measurement mechanism, carry out online active measurement like this to the axial workpiece grinding, the contact terminal of elasticity measurement arm is under the effect of preloading spring all the time on the finished surface of roof pressure at axial workpiece, change in size along with axial workpiece, the elasticity measurement arm changes with respect to the amount of deflection of the stiff end that elastic hinge is connected with installing rack, the motion of pegging graft takes place between magnetic core and the solenoid in this moment, the signal output part of solenoid is by the transmission line output signal, thereby the variation of the place to be detected journal size of axial workpiece is converted to the variation of inductance value, online active measurement when having realized grinding, improved measurement efficient, and then improved working (machining) efficiency axial workpiece.The utility model is at measurement mechanism inner not slip and friction mechanism, connect the elasticity measurement arm by elastic hinge, the elasticity measurement arm has higher displacement resolution like this, and because in measurement mechanism, do not have mechanical friction and fit-up gap, device need not lubricate, under the prerequisite that guarantees certainty of measurement, make measurement mechanism life-span and reliability all be improved.The utility model is simple in structure, adopts compact conformation, the small and exquisite elastic hinge of volume to make the overall dimensions of entire measuring device reduce, thereby improves the applicability of measurement mechanism, is specially adapted to keep off the online active measurement of wide narrower small-sized bent axle.
Description of drawings
Fig. 1 is the structural representation of a kind of embodiment of the utility model;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the structural representation of elastic hinge among Fig. 1;
Fig. 4 is the A-A place cutaway view of Fig. 3.
The specific embodiment
As Fig. 1, Fig. 2, Fig. 3, shown in Figure 4, a kind of axial workpiece grinding measurement mechanism, comprise and be used for the installing rack 1 of fixedlying connected with grinding machine, installing rack 1 is provided with elastic hinge 11, one end of this elastic hinge 11 is the stiff end that is connected with installing rack 1, the other end is a free end, elastic hinge 11 is provided with and is connected and fixed end and free-ended elastic joint part, between stiff end and free end, be provided with otch 30 on the elastic joint part, described elastic hinge is identical with the grafting direction of motion of magnetic core and solenoid in the folding direction of incision, be fixed with the elasticity measurement arm on the free end of described elastic hinge 11, installing rack 1 is provided with elasticity measurement arm corresponding matching and realizes axial workpiece is clamped the fixation measuring arm that detects, one end of elasticity measurement arm is connected with installing rack 1 by elastic hinge 11, the other end is provided with and is used for the contact terminal 23 that cooperates with axial workpiece 22 roof pressures to be measured, between installing rack 1 and elasticity measurement arm, be provided with and be used for elasticity measurement arm pretension so that the preloading spring of contact terminal 23 roof pressures on axial workpiece 22 of elasticity measurement arm, preloading spring is extension spring 2 in the present embodiment, installing rack 1 is provided with solenoid 4, and on the elasticity measurement arm, be set with the magnetic core 3 of pegging graft and being used with solenoid 4, magnetic core 3 produces the motion of pegging graft with solenoid 4 under the drive of elasticity measurement arm, solenoid 4 is provided with transmission line, and solenoid 4 is by transmission line output measuring-signal.
As shown in Figure 3, Figure 4, elastic hinge 11 is a single shaft list circular arc elastic hinge in the present embodiment, and its otch 30 is for being arranged at the one-sided circular lance of elastic hinge.During concrete enforcement, can also adopt otch such as rectangle, ellipse or the hyperbolic-type etc. of other types.Elastic hinge can also adopt the two circular lances of single shaft during concrete enforcement, and have two circular lances in the elastic hinge symmetric arrangement this moment.
For guaranteeing being plugged into the guiding cooperation and guiding being done in the swing of elasticity measurement arm of magnetic core 3 and solenoid 4, between elasticity measurement arm and installing rack 1, be provided with along the guider of the grafting direction guiding of magnetic core 3 and solenoid 4, guider comprises the lead 5 that is provided with on the installing rack 1 along magnetic core 3 and the extension of the solenoid 4 grafting directions of motion in the present embodiment, the elasticity measurement arm is provided with the gathering sill that cooperates with lead 5 slide-and-guides, in order to be applicable to the elastics wing of elasticity measurement arm, described gathering sill upwards leaves surplus in the footpath along lead, when the elasticity measurement arm swing, the cooperation between gathering sill and the lead can not influence the swing of elasticity measurement arm like this.
In the present embodiment, the elasticity measurement arm comprises the Connection Block 10 of fixedlying connected with elastic hinge 11 and is installed in elasticity measurement arm body 8 on the Connection Block 10, the gathering sill that is provided with on the described elasticity measurement arm is the chute that is provided with in the opposite position place of lead on the Connection Block 10, as shown in Figure 1, it extends radially outwardly to be useful on the corresponding position roof pressure of Connection Block and cooperates to realize the flange spacing to the Connection Block hunting range in lead 5 upper edges, Connection Block in the present embodiment is the fork-shaped end with corresponding end lead, described chute is arranged on the fork plate that the both sides of fork-shaped end stretches out, after assembling is finished, flange on the lead is positioned at the centre of the fork of two on Connection Block plate, during concrete enforcement, flange can be arranged on a side of the close axial workpiece of Connection Block, and cooperates to realize the restriction to elasticity measurement arm swing scope with the corresponding side roof pressure of Connection Block.
In the present embodiment, described elasticity measurement arm comprises Connection Block 10 of fixedlying connected with elastic hinge 11 and the elasticity measurement arm body 8 that is installed on the Connection Block 10, and described contact terminal 23 is arranged on the end away from Connection Block of elasticity measurement arm body 8.In this enforcement, elasticity measurement arm body 8 is fixedly connected on the Connection Block by guiding mechanism 9, as shown in Figure 1, this guiding mechanism 9 comprises the adjustment rack of fixedlying connected with Connection Block and rotates the adjustment bolt that is assemblied on the adjustment rack, adjust bolt and realize its axial limiting by bolt head and stop nut with the adjustment rack corresponding matching, elasticity measurement arm body 8 cooperates with the adjustment bolt thread.
As shown in Figure 1, described and elasticity measurement arm corresponding matching realize that axial workpiece is clamped the fixation measuring arm that detects comprises the holder 20 and the fixation measuring arm body 7 that by micro-adjusting mechanism 6 with holder 20 be connected fixedly connected with installing rack 1, be provided with in the end away from installing rack of fixation measuring arm body 7 and be used for the auxiliary contact terminal 21 of roof pressure on axial workpiece, micro-adjusting mechanism 6 comprises adjustment plate that one is extended on the holder and the trimming bolt that is rotatably assorted with the adjustment plate, trimming bolt by bolt head and be sleeved on the trimming bolt stop nut with adjust plate and cooperate realization axial spacing of trimming bolt, fixation measuring arm body and trimming bolt threaded engagement.
During concrete enforcement, also fixation measuring arm and installing rack split can be provided with, the fixation measuring arm that is provided with is installed on the grinding machine or is installed on the independent frame that is provided with separately.
During use, because of the elasticity measurement arm body cooperates with the adjustment bolt thread, and adjust the bolt axial limiting, like this when bolt is adjusted in rotation, the elasticity measurement arm body drives contact terminal just along adjusting moving axially of bolt, in like manner during the rotary fine adjustment bolt, the fixation measuring arm body drives auxiliary contact terminal moving axially along trimming bolt.On the elasticity measurement arm, guiding mechanism is set, on the fixation measuring arm, micro-adjusting mechanism is set, need not change parts like this and can realize promptly reaching measurement to the axial workpiece of plurality of specifications size and improved measurement and production efficiency.
What preloading spring adopted in the present embodiment is extension spring 2, one end of this extension spring 2 is fixed on the installing rack 1, the other end is fixed on the Connection Block 10 by connecting bolt, the active force of extension spring make elastic hinge around stiff end that elastic hinge is connected with installing rack to shown in the elasticity measurement arm on the contact terminal that the is provided with direction that compresses axial workpiece rotate.
During concrete enforcement, preloading spring can also be designed to stage clip, one end of stage clip is fixed on the installing rack, the other end is fixed on the Connection Block, the active force of stage clip make elastic hinge around stiff end that elastic hinge is connected with installing rack to shown in the elasticity measurement arm on the contact terminal that the is provided with direction that compresses axial workpiece rotate.
As shown in Figure 1, when the utility model uses, earlier installing rack 1 is fixed on the grinding machine, by adjusting fixation measuring arm and the elasticity measurement arm on the installing rack, make fixation measuring arm and elasticity measurement arm clamp axial workpiece to be measured in advance, because the utility model is everlasting the axial workpiece correct grinding is added the use in man-hour, subsidiary terminal 21 that bigger pretightning force can guarantee that fixation measuring arm end is provided with in whole correct grinding process is set like this remains with axial workpiece and contact, the elasticity measurement arm is under the effect of extension spring and pretightning force and fixation measuring arm corresponding matching clamping axial workpiece.Grinding machine to the axial workpiece Grinding Process in, when the journal size of axial workpiece changes, the contact terminal 23 that elasticity measurement arm end is provided with under the effect of extension spring 2 and the clamping force of presetting produces displacement with the journal size variation, the magnetic core 3 that is arranged on this moment on the elasticity measurement arm produces displacement, the solenoid 4 torch magnetic induction output signal of telecommunication, thereby the variation of the journal size of axial workpiece is converted to the variation of inductance value, adopts the design that changes displacement into inductance value to improve the accuracy of measuring in the utility model.
Because adopted the small and exquisite elastic hinge of compact conformation, volume as bindiny mechanism, make the appearance and size of entire measuring device reduce like this, in the specific implementation, the thickness B of entire measuring device as shown in Figure 2 can be reduced to 9mm, improved the applicability of measurement mechanism, the measurement mechanism that makes the utility model provide is fit to be applied to the processing of all kinds of crankshaft type parts, is specially adapted to keep off the processing of wide narrower small-sized bent axle.
Claims (10)
1. axial workpiece grinding measurement mechanism, it is characterized in that: comprise installing rack, installing rack is provided with elastic hinge, one end of this elastic hinge is the stiff end that is connected with installing rack, the other end is a free end, elastic hinge is provided with and is connected and fixed end and free-ended elastic joint part, between stiff end and free end, be provided with otch on the elastic joint part, be fixed with the elasticity measurement arm on the free end of described elastic hinge, end away from elastic hinge of elasticity measurement arm is provided with and is used for the contact terminal that cooperates with axial workpiece roof pressure to be measured, between installing rack and elasticity measurement arm, be provided with and be used for elasticity measurement arm pretension so that the preloading spring of contact terminal roof pressure on axial workpiece of elasticity measurement arm, in installing rack and the elasticity measurement arm one of them is provided with magnetic core, another is provided with the solenoid that corresponding grafting with magnetic core is used, described elastic hinge is identical with the grafting direction of motion of magnetic core and solenoid in the folding direction of incision, and solenoid is exported measuring-signal by transmission line.
2. axial workpiece grinding measurement mechanism according to claim 1 is characterized in that: be provided with between described elasticity measurement arm and the installing rack along the guider of the grafting direction guiding of magnetic core and solenoid.
3. axial workpiece grinding measurement mechanism according to claim 2, it is characterized in that: described guider comprises the lead along magnetic core and the extension of solenoid grafting direction that is provided with on the installing rack, and the elasticity measurement arm is provided with the gathering sill that cooperates with the lead slide-and-guide.
4. axial workpiece grinding measurement mechanism according to claim 3, it is characterized in that: described elasticity measurement arm comprises Connection Block of fixedlying connected with elastic hinge and the elasticity measurement arm body that is installed on the Connection Block, described contact terminal is arranged on the end away from Connection Block of elasticity measurement arm body, the gathering sill that is provided with on the described elasticity measurement arm is the chute that is provided with in the corresponding section of lead on the Connection Block, and it extends radially outwardly to be useful on the corresponding side surface roof pressure of Connection Block and cooperates with the flange spacing to Connection Block in the lead upper edge.
5. according to claim 1 or 2 or 3 described axial workpiece grinding measurement mechanisms, it is characterized in that: described elasticity measurement arm comprises Connection Block of fixedlying connected with elastic hinge and the elasticity measurement arm body that is installed on the Connection Block, and described contact terminal is arranged on the end away from Connection Block of elasticity measurement arm body.
6. axial workpiece grinding measurement mechanism according to claim 5, it is characterized in that: described elasticity measurement arm body is installed on the Connection Block by guiding mechanism, this guiding mechanism comprises that the adjustment rack of fixedlying connected with Connection Block and rotation are assemblied in and adjusts bolt on the adjustment rack, described elasticity measurement arm body with adjust bolt thread and cooperate.
7. axial workpiece grinding measurement mechanism according to claim 5 is characterized in that: described elastic hinge is connected with the installing rack bolt, and described Connection Block is connected with the elastic hinge bolt.
8. axial workpiece grinding measurement mechanism according to claim 5, it is characterized in that: described preloading spring is extension spring, one end of this extension spring is fixed on the installing rack, the other end is fixed on the Connection Block, and the contact terminal that the active force of extension spring makes elastic hinge be provided with on described elasticity measurement arm around the stiff end that elastic hinge is connected with installing rack compresses the direction of axial workpiece and rotates.
9. according to claim 1 or 2 or 3 described axial workpiece grinding measurement mechanisms, it is characterized in that: be fixedly connected with on the described installing rack and elasticity measurement arm corresponding matching realizes axial workpiece is clamped the fixation measuring arm that detects, be provided with at the end away from installing rack of fixation measuring arm and be used for the auxiliary contact terminal of roof pressure on axial workpiece.
10. axial workpiece grinding measurement mechanism according to claim 9, it is characterized in that: described fixation measuring arm comprises the holder and the fixation measuring arm body that by micro-adjusting mechanism with holder be connected fixedly connected with installing rack, described auxiliary contact terminal is arranged on the end away from installing rack of fixation measuring arm body, described micro-adjusting mechanism comprises adjustment plate that one is extended on the holder and the trimming bolt that is rotatably assorted with the adjustment plate, described fixation measuring arm body and trimming bolt threaded engagement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206938037U CN201979402U (en) | 2010-12-31 | 2010-12-31 | Ground finish and measurement device for shaft parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206938037U CN201979402U (en) | 2010-12-31 | 2010-12-31 | Ground finish and measurement device for shaft parts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201979402U true CN201979402U (en) | 2011-09-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206938037U Expired - Lifetime CN201979402U (en) | 2010-12-31 | 2010-12-31 | Ground finish and measurement device for shaft parts |
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| Country | Link |
|---|---|
| CN (1) | CN201979402U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103358221A (en) * | 2012-03-30 | 2013-10-23 | 平衡系统有限公司 | Measurement head for feeler for workpieces being machined |
| CN104822492A (en) * | 2012-11-07 | 2015-08-05 | 弗立兹·斯图特公司 | Machine tool and method for measuring workpiece |
| CN109834540A (en) * | 2019-04-08 | 2019-06-04 | 哈尔滨工业大学 | A kind of spool auxiliary machining device for cylindrical grinder |
| CN110450050A (en) * | 2019-07-03 | 2019-11-15 | 刘良国 | Grip(per) feed mechanism based on veneer Transposition Principle adjustment semiconductor silicon rod |
| CN113910024A (en) * | 2021-10-27 | 2022-01-11 | 一汽解放汽车有限公司 | Method for adjusting swing range of active measuring instrument and grinding machine |
-
2010
- 2010-12-31 CN CN2010206938037U patent/CN201979402U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103358221A (en) * | 2012-03-30 | 2013-10-23 | 平衡系统有限公司 | Measurement head for feeler for workpieces being machined |
| CN103358221B (en) * | 2012-03-30 | 2017-06-09 | 平衡系统有限公司 | The measurement head of the probe of workpiece for being just machined |
| CN104822492A (en) * | 2012-11-07 | 2015-08-05 | 弗立兹·斯图特公司 | Machine tool and method for measuring workpiece |
| CN109834540A (en) * | 2019-04-08 | 2019-06-04 | 哈尔滨工业大学 | A kind of spool auxiliary machining device for cylindrical grinder |
| CN110450050A (en) * | 2019-07-03 | 2019-11-15 | 刘良国 | Grip(per) feed mechanism based on veneer Transposition Principle adjustment semiconductor silicon rod |
| CN113910024A (en) * | 2021-10-27 | 2022-01-11 | 一汽解放汽车有限公司 | Method for adjusting swing range of active measuring instrument and grinding machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110921 |
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| CX01 | Expiry of patent term |