阅读说明：本技术 一种用于测量仪的定位装置及其使用方法 (A kind of positioning device and its application method for measuring instrument ) 是由 刘川雄 顾华 杨宗翰 颉文峰 刘未林 高林军 于 2019-08-30 设计创作，主要内容包括：本发明公开了一种用于测量仪的定位装置及其使用方法,通过在操作平台上设置多个底座定位销,使底座定位销之间依次构成的连线与底座的外壁形状相匹配,将底座安装在操作平台上,并使底座外壁与分别与底座定位销的外壁接触,由于操作平台上的定位孔位置是固定的,将底座定位销安装后,即可实现水平和垂直方向的定位,因此能够快速对底座进行定位；再将工件的外壁同时与底座的两个内壁接触,同时再将角向定位销插入工件选定的角向定位孔中,根据三点定位原则,即可实现工件的快速定位,采用该方法能够实现批量零件的快速定位,提高测量效率。(The invention discloses a kind of positioning devices and its application method for measuring instrument, by the way that multiple pedestal positioning pins are arranged on the operational platform, the outer wall shape of the line successively constituted between pedestal positioning pin and pedestal is set to match, on the operational platform by pedestal installation, and make base outer wall with contacted respectively with the outer wall of pedestal positioning pin, since the position of positioning hole on operating platform is fixed, after the installation of pedestal positioning pin, positioning both horizontally and vertically can be realized, therefore quickly pedestal can be positioned；The outer wall of workpiece is contacted with two inner walls of pedestal simultaneously again,, according to three-point fix principle, the quick positioning of workpiece can be realized in the selected angular location hole of angular positioning pin insertion workpiece again simultaneously, it can be realized the quick positioning of part volume using this method, improve measurement efficiency.)

1. a kind of positioning device for measuring instrument, which is characterized in that including pedestal (1), pedestal positioning pin (2) and angular positioning It sells (6)；

Multiple pedestal positioning pins (2) are mounted on the operating platform of three coordinate metrology instrument, and multiple pedestal positioning pins (2) are at right angles arranged Cloth；

Pedestal (1) is L-type structure, two outer walls of pedestal (1) respectively with multiple pedestal positioning pins (2) for being located along the same line It contacts, is provided with sliding block (4) on any positioning side of pedestal (1), sliding block (4) can be along the axial movement on positioning side；

It is arranged on sliding block (4) horizontal adjusting rod (3), one end of adjusting rod (3) is protruded between two inner walls of pedestal (1)；

Angular positioning pin (6) is vertical and is movably arranged on the end of adjusting rod (3), for the insertion scheduled angular positioning of workpiece Kong Zhong.

2. being used for the positioning device of measuring instrument according to claim 1, which is characterized in that the number of the pedestal positioning pin (2) Amount is not less than four.

3. being used for the positioning device of measuring instrument according to claim 1, which is characterized in that the pedestal positioning pin (2) passes through It is threadably mounted in the location hole of operating platform.

4. being used for the positioning device of measuring instrument according to claim 1, which is characterized in that on the positioning side of the pedestal (1) It is provided with along its axial sliding slot (7), sliding block (4) is fitted in sliding slot, and (7) move axially along the chute.

5. being used for the positioning device of measuring instrument according to claim 4, which is characterized in that the sliding slot (7) is locating aperture Rectangular channel, T-slot or dovetail groove.

6. being used for the positioning device of measuring instrument according to claim 1, which is characterized in that the horizontal location of the pedestal (1) It is arranged at intervals with the identical locating slot of multiple depth on the outer wall on side, the bottom of locating slot is to horizontal location side inner sidewall to prolonging It stretches；

Multiple pedestal positioning pins on horizontal line are separately positioned in multiple locating slots, the side wall of pedestal positioning pin and positioning The bottom of slot contacts, and the side wall of any pedestal positioning pin is contacted with corresponding positioning groove sidewall and bottom simultaneously.

7. being used for the positioning device of measuring instrument according to claim 1, which is characterized in that be arranged on the sliding block (4) horizontal Polygon through hole (12), adjusting rod (3) is fitted in through hole (12).

8. being used for the positioning device of measuring instrument according to claim 1, which is characterized in that under the angular positioning pin (6) End is frustum cone structure.

9. being used for the positioning device of measuring instrument according to claim 8, which is characterized in that set at the top of the adjusting rod (3) It is equipped with jackscrew, for positioning to angular positioning pin (6).

10. the application method described in a kind of any one of claim 1-9 for the positioning device of measuring instrument, which is characterized in that packet Include following steps:

In S1, multiple location holes in the same horizontal line of operating platform and multiple location holes in same vertical line, respectively One pedestal positioning pin (2) is installed, the line formed between multiple pedestal positioning pins (2) is L-type；

S2, pedestal (1) is horizontally mounted on the outer wall and operating platform for making pedestal (1) perpendicular positioning side on the operational platform and is hung down The outer wall of multiple positioning pins on straight line is close to, more on horizontal line on the outer wall and operating platform on pedestal (1) horizontal location side The outer wall of a positioning pin is close to；

It is S3, workpiece (10) are horizontal positioned on the operational platform, and make the outer wall of workpiece (10) two with pedestal (1) simultaneously Inner wall contact；

S4, an angular location hole, travelling workpiece (10) or mobile angular positioning pin (6) are selected in the upper surface of workpiece (10), made Angular positioning pin (6) and angular location hole are coaxial, and mobile angular positioning pin (6) inserts it into selected angular hole, complete work Positioning of the part (10) on pedestal (1)；

The basic circle centering of S5, Manual alignment workpiece (10), feel relieved according to basic circle and drawing requirement are combined to program progress And it detects；

It after the completion of S6, detection, takes down and has examined workpiece (10), by second workpiece of same model according to the side of step S3 and step S4 Method is positioned, and is then detected according to the program that step S5 is worked out；

S7, step S6 is repeated, until completing the detection of all same model workpiece.

Technical field

The present invention relates to field of measuring technique, specially a kind of positioning device and its application method for measuring instrument.

Background technique

In field of machining, part after processing is completed, is required to carry out quality testing, generally all be carried out using three coordinates Detection, but many workpiece are all bulk production, yield is very big, and in the overhaul part frequency sum number for returning factory's reinspection in addition Amount is continuously increased, and the workpiece of three coordinate measurements is more and more, and Detection task amount is increasing.

All the time, when every piece test, part is placed on workbench, Manual alignment is needed to feel relieved and determine angularly, together One piece number, measures identical characteristic, is both needed to every Manual alignment, time-consuming and laborious in this way for workpiece of large quantities, labor Fatigue resistance is big, and detection efficiency is low, workpiece to be detected overstock, either simplex sequence is waiting for a long time, seriously affect workpiece normal cycle and Detection efficiency.

Summary of the invention

For large batch of same model workpiece calibration low efficiency problem in the prior art, the present invention provides a kind of for measuring The positioning device and its application method of instrument position workpiece using fast-positioning device, improve detection efficiency.

The present invention is to be achieved through the following technical solutions:

A kind of positioning device for measuring instrument, including pedestal, pedestal positioning pin and angular positioning pin；

Multiple pedestal positioning pins are used to be mounted on the operating platform of three coordinate metrology instrument, and multiple pedestal positioning pins are rectangular Arrangement；

Pedestal is L-type structure, and two outer walls of pedestal are respectively and in multiple pedestal positioning pins for being located along the same line Wall contacts, and sliding block is provided on any positioning side of pedestal, and sliding block can be along the axial movement on positioning side；

Horizontal adjusting rod is set on sliding block, and one end of adjusting rod is protruded between two inner walls of pedestal；

Angular positioning pin is vertical and is movably arranged on the end of adjusting rod, for the angular location hole selected with insertion workpiece In.

Preferably, the quantity of the pedestal positioning pin is not less than four.

Preferably, the pedestal positioning pin is by being threadably mounted in the location hole of operating platform.

Preferably, it is provided on the positioning side of the pedestal along its axial sliding slot, sliding block is fitted in sliding slot, and along cunning Slot axial movement.

Preferably, the sliding slot is rectangular channel, T-slot or the dovetail groove of locating aperture.

Preferably, it is arranged at intervals with the identical locating slot of multiple depth on the outer wall on the horizontal location side of the pedestal, it is fixed The bottom of position slot is to horizontal location side inner sidewall to extension；

Multiple pedestal positioning pins on horizontal line are separately positioned in multiple locating slots, the side wall of pedestal positioning pin with The bottom of locating slot contacts, and the side wall of any pedestal positioning pin is contacted with corresponding positioning groove sidewall and bottom simultaneously.

Preferably, horizontal polygon through hole is set on the sliding block, and adjusting rod is fitted in through hole.

Preferably, the lower end of the angular positioning pin is frustum cone structure.

Preferably, it is provided with jackscrew at the top of the adjusting rod, for positioning to angular positioning pin.

The present invention also provides a kind of above-mentioned application methods of the positioning device for measuring instrument, comprising the following steps:

In S1, multiple location holes in the same horizontal line of operating platform and multiple location holes in same vertical line, One pedestal positioning pin is installed respectively, the line formed between multiple pedestal positioning pins is L-type；

S2, pedestal is horizontally mounted makes the outer wall on pedestal perpendicular positioning side vertical on operating platform on the operational platform The outer wall of multiple positioning pins on line is close to, multiple positioning on the outer wall and operating platform on pedestal horizontal location side on horizontal line The outer wall of pin is close to；

S3, workpiece is horizontally arranged on the operational platform, and connects the outer wall of workpiece with two inner walls of pedestal simultaneously Touching；

S4, an angular location hole, travelling workpiece or mobile angular positioning pin are selected in the upper surface of workpiece, makes angularly to position Sell coaxial with angular location hole, mobile angular positioning pin inserts it into selected angular hole, completes workpiece and determines on pedestal Position；

The basic circle centering of S5, Manual alignment workpiece, feel relieved according to basic circle and drawing requirement are combined to program progress And it detects；

It after the completion of S6, detection, takes down and has examined workpiece, by second workpiece of same model according to the side of step S3 and step S4 Method is positioned, and is then detected according to the program that step S is worked out；

S7, step S6 is repeated, until completing the detection of all same model workpiece.

Compared with prior art, the invention has the following beneficial technical effects:

A kind of positioning device for measuring instrument provided by the invention is positioned by the way that multiple pedestals are arranged on the operational platform Pin, makes the outer wall shape of the line successively constituted between pedestal positioning pin and pedestal match, pedestal is mounted on operating platform On, and make base outer wall with contacted respectively with the outer wall of pedestal positioning pin, since the position of positioning hole on operating platform is fixed , after the installation of pedestal positioning pin, positioning both horizontally and vertically can be realized, therefore can quickly determine pedestal Position；The outer wall of workpiece is contacted with two inner walls of pedestal simultaneously again, while angle again that angular positioning pin insertion workpiece is selected Into location hole, according to three-point fix principle, the quick positioning of workpiece can be realized, part volume can be realized using this method Quick positioning, improve measurement efficiency.

Further, pedestal positioning pin is connected through a screw thread with operating platform, guarantees accurate positioning and convenient disassembly.

Further, sliding slot is set at the top of the base, and sliding block moves in sliding slot, realizes the positioning to sliding block, same to time shift It is convenient to move.

Further, locating slot is set in the horizontal sides of pedestal, pedestal positioning pin is arranged in locating slot, realize pedestal The positioning of horizontal direction, prevents it from moving in measurement process.

Further, circumferentially positioned to adjusting rod using polygon through hole, it prevents angular positioning pin mobile, influences positioning accurate Degree.

Further, the lower end of angular positioning pin uses frustum cone structure, can match with different size of angular location hole It closes and uses, reduce measurement cost.

The present invention also provides the application methods of above-mentioned positioning device, position first to pedestal, then put workpiece It sets between two inside of oriented pedestal, and is contacted with inner wall, then angular positioning pin is inserted into the angle selected on workpiece Into location hole, according to three-point fix principle, the positioning of workpiece can be realized, this method operation is convenient, is easily understood, mentions significantly The high location efficiency of workpiece, improves measuring speed.

Detailed description of the invention

Fig. 1 is the top view that positioning device of the present invention is installed on the workbench；

Fig. 2 is the main view of positioning device of the present invention；

Fig. 3 is the top view of pedestal of the present invention；

Fig. 4 is the cross-sectional view in the direction Fig. 3 C-C；

Fig. 5 is the front view of adjusting rod of the present invention；

Fig. 6 is the cross-sectional view in the direction Fig. 5 D-D；

Fig. 7 is the top view of present invention slider；

Fig. 8 is the cross-sectional view in the direction Fig. 7 E-E；

Fig. 9 is the main view of present invention slider.

In figure: 1- pedestal；2- pedestal positioning pin；3- adjusting rod；4- sliding block；5- screw；The angular positioning pin of 6-；7- sliding slot； The first locating slot of 8-；The second locating slot of 9-；10- workpiece；11- fixation hole；12- through hole.

Specific embodiment

Present invention will be described in further detail below with reference to the accompanying drawings, described to be explanation of the invention rather than limit It is fixed.

Refering to fig. 1-9, a kind of positioning device for measuring instrument, including pedestal 1, adjusting rod 3 and angular positioning pin 6；

Refering to Fig. 3 and 4, pedestal 1 becomes the L-type structure formed by a horizontal deckle and a perpendicular positioning, and two of pedestal 1 are outer It is mutually right angle between wall, right angle is mutually between two inner walls, two inner walls of pedestal 1 are for positioning part to be measured, bottom Two outer walls of seat 1 are used to contact positioning with the pedestal positioning pin 1 on three coordinate metrology instrument platforms.

Two locating slots, respectively the first locating slot 8 and the second positioning are set on the lateral wall on any positioning side of pedestal 1 Slot 9, locating slot are U-shaped structure, and the bottom of locating slot extends to the inner wall direction on positioning side, and the depth phase of two locating slots Together, two locating slots are arranged along the length interval on positioning side, and the distance between two U-shaped locating slots and three coordinate metrology instrument are flat The distance of two neighboring location hole on platform is identical.

Two locating slots are preferably provided on the horizontal location side of pedestal 1.

Sliding slot 7 is provided at the top of any positioning side of pedestal 1, sliding slot 7 is parallel with the long axis on corresponding positioning side；In sliding slot 7 are fitted with sliding block 4, sliding block 4 can along the chute 7 length direction sliding.

Referring to Fig.2, the sliding slot 7 is open-topped rectangle sliding slot, sliding block 4 is fitted in sliding slot 7, and the top of sliding block 7 Higher than the top of pedestal 1, rectangle sliding slot is installed convenient for sliding block 7 and the fast quick-detach of pedestal 1, while improving the movement speed of sliding block 7.

Sliding slot 7 is preferably provided on the perpendicular positioning side of pedestal 1.

The sliding slot 7 is T-slot or dovetail groove.

Refering to Fig. 7-9, horizontal through hole 12 is arranged in the top of sliding block 7, and adjusting rod 3, adjusting rod is arranged in through hole 12 One end pass through through hole 12 and protrude into the inner wall side of pedestal 1, and adjusting rod 3 can be along the axial movement of through hole.

Through hole 12 is polygonal hole, and adjusting rod 3 is fitted in through hole 12, and polygonal hole is used to carry out adjusting rod 3 Circumferentially positioned, the top of sliding block 4 is provided with screw 5, and the top that the lower end of screw 5 passes through sliding block 4 is connected to the top of adjusting rod 3 Portion, to 3 axially position of adjusting rod.

Refering to Fig. 5 and Fig. 6, one end that adjusting rod 3 protrudes into 1 inner wall of pedestal is provided with vertical fixation hole 11, fixation hole 11 In be provided with angular positioning pin 6, angular positioning pin 6 can be moved along fixation hole 11, and the lower end of angular positioning pin 6 can extend into work In the angular location hole selected on part, the end of adjusting rod is provided with jackscrew, for positioning to angular positioning pin 6.

The lower end of angular positioning pin 6 is frustum cone structure, it can be made to be applicable in and angular location hole of different sizes, raising angle To the applicability of positioning pin 6, testing cost is reduced.

A kind of localization method of the positioning device for measuring instrument provided by the invention is explained in detail below.

A kind of localization method of the positioning device for measuring instrument, includes the following steps；

S1, two on two location holes and same vertical line in the same horizontal line of three coordinate metrology instrument operating platforms In a location hole, a pedestal positioning pin 2 is installed respectively, the line formed between four pedestal positioning pins 2 is L-type.

S2, pedestal 1 is installed on the operational platform, is made same on the outer wall and operating platform on the perpendicular positioning side of pedestal 1 The outer wall of two positioning pins on vertical line is close to；

Two pedestal positioning pins on operating platform in same horizontal line are separately positioned on the two of the horizontal location side of pedestal 1 In a locating slot, the pedestal positioning pin in the first locating slot 8 is contacted with the two adjacent side walls of the first locating slot 8, and with bottom The vertical sidewall of seat positioning pin contacts is the side wall close to perpendicular positioning side；

Pedestal positioning pin in second locating slot 9 is contacted with the bottom edge of the second locating slot 9.

It is S3, workpiece 10 is horizontal positioned on the operational platform, and make the outer wall of workpiece 10 simultaneously with two of pedestal 1 in Wall contact.

S4, make a reservation for an angular location hole in the upper surface of workpiece 10, along the chute 7 mobile sliding block 4, while mobile adjusting rod 3, Keep angular positioning pin 6 and the angular location hole selected on workpiece 10 coaxial, mobile angular positioning pin 6 inserts it into selected angular In location hole, positioning of the workpiece on pedestal 1 is completed.

Or the angular location hole and angular positioning pin 6 selected on workpiece 10 can be kept coaxial with turning of work piece.

S5, Manual alignment workpiece 10 basic circle centering, felt relieved according to basic circle and combine drawing requirement program into It goes and detects.

S6, it after having checked, takes down and has examined workpiece 10, by second workpiece of same model according to step S3's and step S4 Method is positioned, and is then detected again according to the program that step S5 is worked out.

S7, step S6 is repeated, completes the inspection of all same model workpiece.

A kind of positioning device for measuring instrument provided by the invention is positioned by the way that multiple pedestals are arranged on the operational platform Pin, makes the outer wall shape of the line successively constituted between pedestal positioning pin and pedestal match, pedestal is mounted on operating platform On, and make base outer wall with contacted respectively with the outer wall of pedestal positioning pin, since the position of positioning hole on operating platform is fixed , after the installation of pedestal positioning pin, positioning both horizontally and vertically can be realized, therefore can quickly determine pedestal Position；The outer wall of workpiece is contacted with two inner walls of pedestal simultaneously again, while angle again that angular positioning pin insertion workpiece is selected Into location hole, according to three-point fix principle, the quick positioning of workpiece can be realized, part volume can be realized using this method Quick positioning, improve measurement efficiency.

Only, for rectangular-shaped piece, can also carry out using the above method apart from explanation with annular workpieces in embodiment Positioning, two sides of rectangular-shaped piece are bonded with two inner walls of pedestal, in the angular hole for selecting the insertion of angular positioning pin, i.e., Achievable positioning, it is fixed according to identical position and pedestal when measuring another same model part；It is fixed for irregular part Position method is identical, and two points on irregular part outer wall are contacted with the two side walls of pedestal, while guaranteeing that angular positioning pin is inserted Enter in selected angular location hole, positioning can be realized, this method is mentioned using the quick positioning for being particularly suitable for bulk part The installation location efficiency of high part improves measurement efficiency.

The above content is merely illustrative of the invention's technical idea, and this does not limit the scope of protection of the present invention, all to press According to technical idea proposed by the present invention, any changes made on the basis of the technical scheme each falls within claims of the present invention Protection scope within.