CN208579694U - A kind of measuring device - Google Patents

Abstract

The utility model belongs to measurement tooling technical field, discloses a kind of measuring device.The measuring device includes: pedestal, measuring mechanism, clamping device and regulating mechanism；Measuring mechanism is set on pedestal, and measuring mechanism can measure the end surface error of workpiece and the runout error of outer circle respectively.It one end of clamping device being capable of clamping workpiece；Regulating mechanism is set on pedestal, and regulating mechanism is arranged in the other end of clamping device and can rotate corresponding thereto, and regulating mechanism can adjust the gap between clamping device and regulating mechanism.The measuring device reduces the influence of operator's subjective factor, and then improves measurement accuracy and measurement efficiency.Regulating mechanism can adjust the gap occurred between clamping device and regulating mechanism due to abrasion simultaneously, and then improve the precision and accuracy of measurement.

Description

A kind of measuring device

Technical field

The utility model relates to measure tooling technical field more particularly to a kind of measuring device.

Background technique

In actual production, a kind of workpiece is obtained after grinding machine is processed by material base.As shown in Figure 1, the workpiece 5 wraps Big axle portion 51, small axle portion 52 and the transition part 53 being set between big axle portion 51 and small axle portion 52 are included, after grinding machine is processed, Big axle portion 51 need to be measured relative to the end surface error of A benchmark and the runout error of outer circle, and it also requires completing 53 phase of transition part The measurement of paralleism for B benchmark.It is final in order to guarantee since the part carries out flow line production using special production machine The quality of parts product needs a cubing to complete to detect, so that can just allow access into next process after detection is qualified Processing.

Currently, need operator to be rotatably arranged on workpiece 5 when generally being measured to the workpiece 5 and carry on seat, according to Experience handheld instrument measures, and this measurement method is easy to be influenced by operator's subjective factor, low measurement accuracy, Measurement efficiency is low.Importantly, due to no special measurement cubing, after long-time rotation measuring, 5 He of workpiece It carries between seat and gap occurs due to abrasion, influence the accuracy of measurement.

Utility model content

The purpose of this utility model is to provide a kind of measuring device, workpiece can be adjusted and carry between seat due to abrasion and The gap of appearance, and then improve the precision of measurement.

For this purpose, the utility model uses following technical scheme:

A kind of measuring device includes: pedestal；Measuring mechanism is set on the pedestal, and the measuring mechanism can be distinguished Measure the end surface error of the big axle portion of workpiece and the runout error of outer circle；One end of clamping device, the clamping device can press from both sides Hold the transition part of workpiece；Regulating mechanism is set on the pedestal, and the regulating mechanism is arranged in the another of the clamping device One end simultaneously rotates setting with it, and the regulating mechanism can adjust the gap between the clamping device and the regulating mechanism.

Preferably, the measuring mechanism includes two base assemblies, the cunning being set between two base assemblies Rail and the first measurement component being arranged with sliding rail sliding and the second measurement component, the first measurement component can measure The end surface error of the big axle portion of workpiece, the second measurement component can measure the outer run-out error of the big axle portion of workpiece.

Preferably, the first measurement component include with the first sliding sleeve of sliding rail sliding setting, be set to it is described The first dial framework on first sliding sleeve and the first amesdial being set on first dial framework, the gauge head energy of first amesdial It is enough to be in contact with the end face of the big axle portion of workpiece, to measure its end surface error.

Preferably, the second measurement component include with the second sliding sleeve of sliding rail sliding setting, be set to it is described The second dial framework on second sliding sleeve and the second amesdial being set on second dial framework, the gauge head energy of second amesdial It is enough to be in contact with the outer circle of the big axle portion of workpiece, to measure its runout error.

Preferably, the clamping device includes the scroll chuck and connecting shaft for clamping the transition part, the company One end of spindle is connected to the scroll chuck, and the other end is arranged in the regulating mechanism and rotates setting with it.

Preferably, being inlaid with claw pad on the claw of the scroll chuck, the claw pad can clamp the work The transition part of part.

Preferably, the regulating mechanism includes being set on the pedestal to carry seat and the axis through the load seat Set, the other end of the clamping device rotate setting through the axle sleeve and with it.

Preferably, the outer wall of the inner wall for carrying seat and the axle sleeve is conical structure, and the load seat is interior Wall fits in the outer wall of the axle sleeve.

Preferably, the regulating mechanism further includes two presses on the compact heap for carrying seat both ends, the pressure respectively Tight block is sheathed on the axle sleeve.

Preferably, the regulating mechanism further include be sheathed on respectively the other end of the clamping device bearing assembly and Stop assembly, the other end of the clamping device are connected in the stop assembly, the bearing assembly be set to the load seat and It fits between the stop assembly and with the axle sleeve.

The utility model has the beneficial effects that

1) by one end of setting clamping device can clamping workpiece, the other end is arranged in regulating mechanism and corresponding thereto Rotation, measuring mechanism can measure workpiece relative to the end surface error of A benchmark and the runout error of outer circle respectively, and Jiang≤ It is compared with measuring the parallelism error of B benchmark in workpiece in gap between the clearance gauge insertion workpiece and clamping device of 0.02 ㎜ Compared with the mode that prior art handheld instrument measures, reduce the influence of operator's subjective factor, and then improves measurement Precision and measurement efficiency.

2) it is arranged in the other end of clamping device by regulating mechanism and is rotated corresponding thereto, regulating mechanism can be adjusted The gap occurred between clamping device and regulating mechanism due to abrasion, and then improve the precision and accuracy of measurement.

3) measuring device is compact-sized, compact, can be placed on beside flow production line, carries out flow line production The quick inspection of batch part.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of workpiece to be measured in the utility model measuring device；

Fig. 2 is the structural schematic diagram of the utility model measuring device；

Fig. 3 is the cross-sectional view of clamping device and regulating mechanism in the utility model measuring device.

In figure:

1, pedestal；2, measuring mechanism；3, clamping device；4, regulating mechanism；5, workpiece；

21, base assembly；22, sliding rail；23, the first measurement component；24, the second measurement component；

211, base body；212, top cover；213, cover board；

231, on the first sliding sleeve；232, the first dial framework；233, the first amesdial；

241, the second sliding sleeve；242, the second dial framework；243, the second amesdial；

31, scroll chuck；32, connecting shaft；

311, claw；312, claw pad；

41, seat is carried；42, axle sleeve；43, compact heap；44, bearing assembly；45, stop assembly；

421, oil filler point；

441, the first washer；442, second packing ring；443, bearing；

451, locking plate；452, limited block；

51, big axle portion；52, small axle portion；53, transition part.

Specific embodiment

Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.

Present embodiments provide a kind of measuring device, as shown in Fig. 2, the measuring device include: pedestal 1, measuring mechanism 2, Clamping device 3 and regulating mechanism 4, measuring mechanism 2 are set on pedestal 1, and measuring mechanism 2 can measure the big axis of workpiece 5 respectively The end surface error in portion 51 and the runout error of outer circle.Wherein the transition part 53 of clamping workpiece 5 is capable of in one end of clamping device 3.Together When, regulating mechanism 4 is set on pedestal 1, and regulating mechanism 4 is sheathed on outside the other end of clamping device 3 and can revolve corresponding thereto Turn, regulating mechanism 4 can adjust the gap between clamping device 3 and regulating mechanism 4.

The transition part 53 of clamping workpiece 5 is capable of in one end of clamping device 3, and the other end is arranged in regulating mechanism 4 and can be with Its relative rotation, measuring mechanism 2 can measure the big axle portion 51 of workpiece 5 end surface error and outer circle relative to A benchmark respectively Runout error, and the clearance gauge of≤0.02 ㎜ is inserted into the gap between transition part 53 and clamping device 3 to measure transition part 53 parallelism error relative to B benchmark, the mode that the prior art that compares handheld instrument measures, reduces operator The influence of subjective factor, and then improve measurement accuracy and measurement efficiency.

Regulating mechanism 4 is sheathed on outside the other end of clamping device 3 and can rotate corresponding thereto, and regulating mechanism 4 can be adjusted The gap occurred between section clamping device 3 and regulating mechanism 4 due to abrasion, and then improve the precision and accuracy of measurement.

The measuring device is compact-sized, compact, can be placed on beside flow production line, carries out flow line production batch Measure the quick inspection of part.

As shown in Fig. 2, above-mentioned measuring mechanism 2 includes two base assemblies 21, is set between two base assemblies 21 Sliding rail 22 and the first measurement component 23 being arranged with the sliding of sliding rail 22 and second measure component 24, and wherein base assembly 21 includes The base body 211 that is fixedly arranged on pedestal 1, the top cover 212 being set on 211 top surface of base body and it is set to base body Sliding rail 22 is set to base body 211 and top to realize the fixation of sliding rail 22 by the cover board 213 between 211 and top cover 212 Between lid 212, and sliding rail 22 is plugged between base body 211 and top cover 212 with cover board 213.

Above-mentioned first measurement component 23 includes the first sliding sleeve 231 being arranged with the sliding of sliding rail 22, is set to the first sliding sleeve 231 On the first dial framework 232 and the first amesdial 233 for being set on the first dial framework 232, the gauge head of the first amesdial 233 is along workpiece 5 axial setting, enables the gauge head and the end face of the big axle portion 51 of workpiece 5 to be in contact, to measure its end surface error.Together When, the second measurement component 24 includes the second sliding sleeve 241 being arranged with the sliding of sliding rail 22, be set on the second sliding sleeve 241 second Dial framework 242 and the second amesdial 243 being set on the second dial framework 242, the radial direction of the gauge head of the second amesdial 243 along workpiece 5 Setting, enables the gauge head and the outer circle of the big axle portion 51 of workpiece 5 to be in contact, to measure its runout error.

Before the first measurement component 23 and the second measurement component 24 measure workpiece 5, first marked with a qualified workpiece Sample has adjusted separately the first amesdial 233 and the second amesdial 243 behind the position on sliding rail 22, recycles standard specimen that can use note Number pen marks two line segments of pointer acceptability limit on the dial plate glass of two amesdials.

Since the clamping device 3 of the transition part 53 for clamping workpiece 5 is rotatably dispose in regulating mechanism 4, operator Clamping device 3 is rotated to drive workpiece 5 to rotate with it, the first measurement component 23 can measure the end face of the big axle portion 51 of workpiece 5 Error, the second measurement component 24 can measure the outer run-out error of the big axle portion 51 of workpiece 5, and then determine the first amesdial 233 and second the scale that shows on amesdial 243 whether within the scope of label.If the first amesdial 233 and the 2000th Divide the scale shown on table 243 within the scope of label, determines that the workpiece 5 is qualified product, and then can carry out down together Process；Conversely, being then rejected product, does over again and reprocess or scrap processing.

As Figure 2-3, above-mentioned clamping device 3 includes the scroll chuck 31 and connecting shaft 32 for clamping transition part 53, Wherein connecting shaft 32 is T-type structure, and the big shaft end of connecting shaft 32 and the bottom surface of scroll chuck 31, which fit, and the two is fixed connects It connects, the small shaft end of connecting shaft 32 is arranged in regulating mechanism 4 and rotates corresponding thereto.

Wherein scroll chuck 31 is provided centrally with centre bore (not marking in figure), and the centre bore is for wearing workpiece 5 Small axle portion 52, and the circumferential direction on scroll chuck 31 along centre bore be uniformly arranged there are three be used for clamping workpiece 5 claw 311. Since the type of scroll chuck 31 is hydraulic fixing type, after hydraulic pressure is adjusted to 0.7MPa, workpiece 5 is put into three After fitting between claw pad 312 and with it, foot steps on hydraulic selector, and three claw pads 312 is allowed to clamp the transition of workpiece 5 Portion 53, and then the end surface error of big axle portion 51 of workpiece 5 and the runout error of outer circle can be measured respectively.

Workpiece 5 is crushed in order to prevent, is inlaid with claw pad 312 on the claw 311 of scroll chuck 31, the claw pad 312 It is made of beryllium copper, after heat treatment hardness is harder, therefore claw pad 312 has many advantages, such as wear-resisting, diamagneticization.When needing to measure work It, can be with will be between the clearance gauge of≤0.02 ㎜ insertion transition part 53 and claw pad 312 when parallelism error in the transition part 53 of part 5 Gap, to obtain the parallelism error of the transition part 53 relative to B benchmark.

As Figure 2-3, regulating mechanism 4 include be set on pedestal 1 carry seat 41, through carry seat 41 axle sleeve 42 and Two compact heaps 43 being sheathed on axle sleeve 42, the small shaft end of connecting shaft 32 through rotating in axle sleeve 42 and corresponding thereto, and Axle sleeve 42 is made by copper.In order to avoid being worn and the gap of appearance between connecting shaft 32 and axle sleeve 42 due to relatively rotating, The outer wall of the inner wall and axle sleeve 42 that carry seat 41 is disposed as conical structure, and the inner wall for carrying seat 41 fits in the outer of axle sleeve 42 Wall, and then the precision and accuracy of measurement can be improved.

When there is gap between connecting shaft 32 and axle sleeve 42, first two are pressed on respectively the compact heap for carrying 41 both ends of seat 43 unclamp, then after axle sleeve 42 is moved to predeterminated position to small-bore direction (i.e. right direction in Fig. 2), then again Two compact heaps 43 are pressed on to the both ends for carrying seat 41, to achieve the purpose that be locked, then complete connecting shaft 32 and axle sleeve Gap adjustment between 42.

Specifically, compact heap 43 can be round nut, wherein compact heap 43 be sheathed on the bigbore one end of axle sleeve 42 can be with It is the round nut that specification is M56X2, compact heap 43, which is sheathed on the small-bore one end of axle sleeve 42, can be the circle that specification is M48X1.5 Nut reaches the best fit of connecting shaft 32 and axle sleeve 42 by adjusting two round nuts, even if occurring 32 He of connecting shaft later The abrasion of axle sleeve 42 still can meet the requirement of cooperation by adjusting two round nuts, and then achieve the purpose that adjust in time.

As Figure 2-3, regulating mechanism 4 further includes being sheathed on the bearing assembly 44 of the other end of connecting shaft 32 respectively and stopping Dynamic component 45, bearing assembly 44, which is set to, to be carried between seat 41 and stop assembly 45, and wherein stop assembly 45 includes the company of being set in Locking plate 451 and limited block 452 in spindle 32, due to locking plate 451 interior stop ear be opened in connecting shaft 32 only Dynamic slot clamping, the outer stop ear of locking plate 451 are clamped with the limiting slot being opened on limited block 452, can be to bearing assembly 44 It is fastened and is limited.Simultaneously as the other end of connecting shaft 32 be successively arranged axle sleeve 42, bearing assembly 44, locking plate 451 and Limited block 452, stop assembly 45 presses on the end face of axle sleeve 42 by bearing assembly 44, so that bearing assembly 44 only fits in Axle sleeve 42, to prevent it from loosening.

Above-mentioned bearing assembly 44 includes the first washer 441 being in contact with axle sleeve 42, be in contact with locking plate 451 second Washer 442 and the bearing 443 being set between the first washer 441 and second packing ring 442,443 concrete model of bearing are GB 292 angular contact ball bearings.Wherein the first washer 441 and second packing ring 442 are sheathed in connecting shaft 32, can be to bearing 443 Fixed and axial limiting.

Rotation in order to guarantee connecting shaft 32 is smooth, and oil filler point 421 is offered on axle sleeve 42, wherein the oil filler point 421 For kidney slot, for enhancing the lubricant effect of axle sleeve 42 and bearing 443, and then the accuracy of measurement is ensured.Meanwhile in order to guarantee The rotation of scroll chuck 31 is lighter and handier, more flexible, and the mating surface of bearing 443 and axle sleeve 42 opens up the oil groove of multiple helical structures (figure In be not shown).

It should be strongly noted that operator can be according to the rotation situation of scroll chuck 31, it can be determined that go out axle sleeve The superiority and inferiority of mated condition between 42 and bearing 443, and two round nuts are adjusted in time, to reach preferable fit clearance, in turn Improve the measuring device service efficiency and durability.

The course of work of measuring device provided in this embodiment is as follows:

Firstly, using a qualified workpiece as standard specimen, after hydraulic pressure is adjusted to 0.7MPa, by the qualification workpiece After being put between three claw pads 312 and fitting with it, foot steps on hydraulic selector, and three claw pads 312 is allowed to clamp conjunction The transition part 53 of lattice workpiece 5；Then the first amesdial 233 and the second amesdial 243 are adjusted separately into the position on sliding rail 22 It postpones, recycle standard specimen and marks two line segments of pointer acceptability limit on the dial plate glass of two amesdials using marking pen；

It, in the same fashion will be to using scroll chuck 31 secondly, after qualified workpiece is removed from scroll chuck 31 Workpiece 5 is measured to clamp, Ran Hou Jiang≤0.02 ㎜ clearance gauge insertion transition part 53 and claw pad 312 between gap, to be somebody's turn to do Parallelism error of the transition part 53 relative to B benchmark；Operator rotates scroll chuck 31 to drive the workpiece 5 to turn therewith simultaneously It is dynamic, when the scale shown on the first amesdial 233 and the second amesdial 243 is within the scope of label, determine that the workpiece 5 is Qualified product, and then next process can be carried out；Conversely, being then rejected product；

Again, when there is gap between connecting shaft 32 and axle sleeve 42, two is pressed on respectively first and carries 41 both ends of seat Compact heap 43 unclamps, then after axle sleeve 42 is moved to predeterminated position to small-bore direction, then again by two compact heaps 43 press on the both ends for carrying seat 41, to achieve the purpose that be locked, then complete the gap between connecting shaft 32 and axle sleeve 42 It adjusts.

Obviously, the above embodiments of the present invention is used for the purpose of clearly illustrating examples for clearly illustrating the present invention, and It is not limitations of the embodiments of the present invention.For those of ordinary skill in the art, in above description On the basis of can also make other variations or changes in different ways.There is no need and unable to give all embodiments Exhaustion.Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention etc., should be included in Within the protection scope of the utility model claims.

Claims (10)

1. a kind of measuring device characterized by comprising

Pedestal (1)；

Measuring mechanism (2) is set on the pedestal (1), and the measuring mechanism (2) can measure the end face of workpiece (5) respectively The runout error of error and outer circle；

One end of clamping device (3), the clamping device (3) being capable of clamping workpiece (5)；

Regulating mechanism (4) is set on the pedestal (1), and the other end of the clamping device (3) is arranged in the adjusting machine It can rotate in structure (4) and corresponding thereto, the regulating mechanism (4) can adjust the clamping device (3) and the regulating mechanism (4) gap between.

2. measuring device according to claim 1, which is characterized in that the measuring mechanism (2) includes two base assemblies (21), the sliding rail (22) that is set between two base assemblies (21) and respectively the with the sliding rail (22) sliding setting One measurement component (23) and the second measurement component (24), the end face that first measurement component (23) can measure workpiece (5) are missed Difference, second measurement component (24) can measure the outer run-out error of workpiece (5).

3. measuring device according to claim 2, which is characterized in that described first, which measures component (23), includes and the cunning The first sliding sleeve (231) of rail (22) sliding setting, the first dial framework (232) being set on first sliding sleeve (231) and setting The gauge head of the first amesdial (233) on first dial framework (232), first amesdial (233) can be with workpiece (5) End face be in contact, to measure its end surface error.

4. measuring device according to claim 2, which is characterized in that described second, which measures component (24), includes and the cunning The second sliding sleeve (241) of rail (22) sliding setting, the second dial framework (242) being set on second sliding sleeve (241) and setting The gauge head of the second amesdial (243) on second dial framework (242), second amesdial (243) can be with workpiece (5) Outer circle be in contact, to measure its runout error.

5. measuring device according to claim 1, which is characterized in that the clamping device (3) includes described for clamping The scroll chuck (31) and connecting shaft (32) of workpiece (5), one end of the connecting shaft (32) are connected to the scroll chuck (31), The other end is arranged in the regulating mechanism (4) and can rotate corresponding thereto.

6. measuring device according to claim 5, which is characterized in that on the claw (311) of the scroll chuck (31) It is inlaid with claw pad (312), the claw pad (312) can clamp the workpiece (5).

7. measuring device according to claim 1, which is characterized in that the regulating mechanism (4) includes being set to the base Load seat (41) on seat (1) and through the axle sleeve (42) for carrying seat (41), the other end of the clamping device (3) through It rotates in the axle sleeve (42) and corresponding thereto.

8. measuring device according to claim 7, which is characterized in that the inner wall and the axle sleeve (42) for carrying seat (41) Outer wall be conical structure, and the inner wall for carrying seat (41) fits in the outer wall of the axle sleeve (42).

9. measuring device according to claim 7, which is characterized in that the regulating mechanism (4) further includes two and supports respectively It is pressed on the compact heap (43) for carrying seat (41) both ends, the compact heap (43) is sheathed on the axle sleeve (42).

10. measuring device according to claim 7, which is characterized in that the regulating mechanism (4) further includes being sheathed on respectively The bearing assembly (44) and stop assembly (45) of the other end of the clamping device (3), the other end card of the clamping device (3) It is connected to the stop assembly (45), the bearing assembly (44) is set between the load seat (41) and the stop assembly (45) And it fits with the axle sleeve (42).