CN109834511B - Apparatus for measuring rotation accuracy - Google Patents
Apparatus for measuring rotation accuracy Download PDFInfo
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- CN109834511B CN109834511B CN201910016408.0A CN201910016408A CN109834511B CN 109834511 B CN109834511 B CN 109834511B CN 201910016408 A CN201910016408 A CN 201910016408A CN 109834511 B CN109834511 B CN 109834511B
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- 230000007246 mechanism Effects 0.000 claims abstract description 35
- 230000003247 decreasing effect Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 description 23
- 238000005259 measurement Methods 0.000 description 4
- 238000012797 qualification Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The invention provides a device for measuring rotation precision, which comprises a fixed plate arranged along the X-axis direction, wherein the top of the fixed plate is fixedly provided with a base, the top of the base is provided with a bottom plate, a first mounting plate is slidably arranged on the bottom plate through an X-axis sliding mechanism, a second mounting plate is arranged above the first mounting plate, a Y-axis guiding and limiting mechanism is arranged between the second mounting plate and the first mounting plate, the top of the second mounting plate is fixedly provided with a sliding seat, a Z-axis sliding mechanism is arranged in the sliding seat, the top of the sliding seat is slidably provided with a thimble seat plate, the top of the thimble seat plate is fixedly provided with a thimble, one end of the thimble extends out of one side of the thimble seat, and the other side of the thimble seat is provided with an encoder.
Description
Technical Field
The invention relates to the technical field of related equipment for product processing, in particular to equipment for measuring rotation precision.
Background
Along with the continuous improvement of the machining precision requirement, the machining precision requirement on the rotary part is higher and higher, the rotary workpiece is obtained by rotating a bus around a rotary shaft, the bus can be a straight line segment, an arc or a curve, and the surface shape can enable a cylindrical surface, a conical surface and the like. For example, when processing a rotor type workpiece, if a rotary precision measuring device is not used, the rotary precision of the machine tool cannot be controlled, and when the workpiece moves, the workpiece is difficult to find, so that the rotor wheel groove is misplaced in processing, and the workpiece is scrapped to cause huge loss.
The existing rotary precision measuring equipment has the problems that the rotary precision of a machine tool cannot be accurately controlled, the precision of the walking measurement of workpieces is low, a large number of workpieces are scrapped, and huge losses are caused in factories.
Therefore, there is a need for a measurement swing accuracy device that can solve the above-described problems.
Disclosure of Invention
The invention provides a device for measuring rotation precision, which has the characteristics of accurate rotation precision coding of a machine tool, capability of detecting and outputting the rotation angle of a workpiece in real time, high qualification rate of the workpiece and low cost.
The technical scheme of the invention is realized as follows:
the utility model provides a measure gyration precision equipment, includes the fixed plate that sets up along X axis direction, the top of fixed plate is fixed with a base that sets up along Y axis direction, the top of base is provided with a bottom plate that sets up along X axis direction, slidable mounting has on the bottom plate is on a parallel with the first mounting panel of bottom plate, first mounting panel with be provided with X axis slide mechanism between the bottom plate, the top of first mounting panel is provided with the second mounting panel that is on a parallel with first mounting panel, the second mounting panel with be provided with Y axis guide stop gear between the first mounting panel, the top of second mounting panel is fixed with a sliding seat, be equipped with a first installation chamber that extends along Z axis direction in the sliding seat, be provided with Z axis slide mechanism in the first installation chamber, the both sides of first installation chamber are fixed with a third mounting panel through the fastening part respectively, each third mounting panel all is fixed in the top of sliding seat, two be provided with between the third mounting panel be provided with one along Z axis slidable mounting panel in the second mounting panel, second mounting panel is provided with Z axis guide stop gear between the first mounting panel, the second mounting panel is provided with the second spindle hub along the Z axis direction, the second spindle hub is provided with in the second spindle hub, the second spindle hub is provided with the Z axis, the second spindle hub has the Z axis has the needle.
As a preferred technical scheme, X axle slide mechanism includes two X axle guide rails that extend along X axle direction, two X axle guide rails are fixed in the top of bottom plate, every on the X axle guide rail all slidable mounting have two along X axle direction first sliding block that set up side by side, every the bottom of first sliding block all be provided with one with the slip recess of X axle guide rail looks adaptation, all first sliding block all is fixed in the bottom of first mounting panel.
As a preferred technical scheme, Y axle direction stop gear include four set up in the first mounting hole of second mounting panel apex angle position department, each all be provided with a stopper in the first mounting hole, each the lower extreme of stopper all stretches out first mounting hole, each the lower extreme of stopper all overlaps and is equipped with a compression spring, each compression spring's upper end all is fixed in the top of first mounting panel, each compression spring's lower extreme all is fixed in the bottom of second mounting panel, each the upper end of stopper all is provided with a first baffle, first baffle passes through the bolt fastening in on the second mounting panel, each all be equipped with one along Y axle direction extension's through-hole that has internal screw thread on the stopper, each all be provided with in the through-hole has the stop bolt of external screw thread, each the lower extreme of stop bolt all stretches out the through-hole, each the top of first mounting panel all is equipped with four second mounting holes, each the lower extreme inserts in the second mounting hole.
As a preferred technical scheme, Z axle slide mechanism include along the Z axle direction set up in first installation intracavity's lead screw, every the one end of lead screw all is fixed with the dwang, the both ends of dwang are equipped with second baffle and third baffle respectively, the second baffle with be provided with a rotation cover between the third baffle and locate fixed sleeve on the dwang, fixed sleeve is fixed in on the inner wall of first installation intracavity, the dwang is equipped with the one end of third baffle stretches out the sliding seat outside, the third baffle is propped against on the outer wall of sliding seat, the dwang stretches out the one end of sliding seat is equipped with a twist grip, slidable mounting has a second sliding block on the lead screw, the bottom of thimble bedplate is equipped with a fixed block, the second sliding block passes through the bolt fastening on the fixed block.
As a preferred technical scheme, the thimble includes a thimble body that extends along the Z axle direction, be equipped with a cavity that extends along the Z axle direction on the side of thimble body, the thimble body is close to sliding seat one end is equipped with a connecting axle that extends along the Z axle direction, overlap in proper order on the connecting axle and be equipped with first installation sleeve, second installation sleeve, third installation sleeve and the fourth installation sleeve that the diameter reduces in proper order, the connecting axle stretches out the one end of fourth installation sleeve is connected the encoder.
As a preferred technical scheme, thimble fastening mechanism includes first fastening sleeve, second fastening sleeve and the third fastening sleeve that sets gradually along Z axle direction, first fastening sleeve's diameter second fastening sleeve's diameter with third fastening sleeve's diameter reduces in proper order, first fastening sleeve is fixed in one side that the thimble seat is close to the thimble body, first fastening sleeve cover is located on the first installation sleeve, the second installation cavity is close to be equipped with annular groove on one side inner wall of thimble body, the second fastening sleeve set up in the annular groove, the second fastening sleeve cover is located on the second installation sleeve, the third fastening sleeve cover is located on the third installation sleeve.
As a preferred technical scheme, the base includes two first vertical support plates and a second vertical support plate that set up along Y axis direction, two first vertical support plates all perpendicular to the second vertical support plate, two be provided with two diagonal support plates that are fixed in the second vertical support plate between the first vertical support plate, two diagonal support plates set up relatively, every diagonal support plate's bottom with the bottom of first vertical support plate is connected, every diagonal support plate all is provided with a first horizontal support plate that extends along X axis direction between with first vertical support plate, two be provided with between the diagonal support plate along the second horizontal support plate that extends of X axis direction, two the top of first vertical support plate the top of second vertical support plate and two diagonal support plate's top is fixed in jointly the bottom of bottom plate.
By adopting the technical scheme, the invention has the beneficial effects that:
because the device for measuring the rotation precision comprises a fixed plate, a base and a bottom plate, wherein a first mounting plate is arranged above the bottom plate, an X-axis sliding mechanism is arranged between the first mounting plate and the bottom plate, a second mounting plate is arranged above the first mounting plate, a Y-axis guiding and limiting mechanism is arranged between the second mounting plate and the first mounting plate, a sliding seat is fixed at the top of the second mounting plate, a Z-axis sliding mechanism is arranged in the sliding seat, an ejector seat plate is arranged at the top of the sliding seat, an ejector seat is fixed on the ejector seat plate, an encoder and an ejector pin are arranged on the ejector seat plate, the invention can realize three-way adjustment of the position of the ejector pin through the X-axis sliding mechanism, the Y-axis sliding mechanism and the Z-axis sliding mechanism, namely, the axial (Z-axis), radial (X-axis) and heaven-earth direction (Y-axis) sliding mechanisms, the first sliding block on the X-axis guide rail slides so as to realize coaxial connection with the ejector pin in the radial (X-axis) direction, the pressure spring can drive the limiting block and the limiting bolt to move downwards when the pressure spring is acted on the ejector seat, the ejector pin can drive the limiting block to rotate in the axial direction (Z-axis) and the Z-axis sliding block to rotate along the axial direction by the second axial direction by the elastic force when the elastic force of the spring is acted on the ejector pin, and the elastic force of the ejector pin can drive the ejector pin to rotate in the axial direction and the axial direction by the Z-axis to rotate direction by the elastic force when the elastic force is driven by the elastic force, therefore, coaxial connection is realized with the thimble in the axial (Z-axis) direction, the thimble and a workpiece are conveniently and coaxially connected through three-way adjustment, the method is rapid and simple, the application range is wide, meanwhile, the connection of the thimble and the workpiece is realized by fixing the workpiece in a cavity formed in the thimble in a rigid connection mode through a screw rod and a nut, the thimble and the workpiece are coaxially connected, a connecting shaft formed at the other end of the thimble is connected with an encoder, the condition of workpiece rotation can be transmitted to the encoder in real time for measurement, the encoder can test the rotation angle of the workpiece in real time and output, the accuracy of machine tool rotation precision coding is improved, abnormal conditions such as workpiece walking and the like are timely found for correction, workpiece rejection is avoided, the qualification rate of the workpiece is improved, and the production cost is reduced.
Because be provided with a second installation cavity that extends along Z axle direction in the thimble seat, be provided with thimble fastening mechanism between thimble and the second installation cavity, thimble fastening mechanism includes first fastening sleeve, second fastening sleeve and the third fastening sleeve that set gradually along Z axle direction, first fastening sleeve is fixed in one side that the thimble seat is close to the thimble body, second fastening sleeve cover is located on the second installation sleeve, third fastening sleeve cover is located on the third installation sleeve to guaranteed that the thimble can not remove in the Z axle direction and rotate round the Z axle, thereby guaranteed the axiality of thimble and work piece, and then make encoder can real-time output work piece gyration angle.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a front view of FIG. 1;
FIG. 3 is a side view of FIG. 1;
FIG. 4 is a schematic view of a thimble according to the present invention;
fig. 5 is a schematic structural view of a base in the present invention.
Wherein: 1. a fixing plate; 2. a base; 3. a bottom plate; 4. a first mounting plate; 5. a second mounting plate; 6. a sliding seat; 7. a first mounting cavity; 8. a third mounting plate; 9. a thimble seat plate; 10. a needle holder; 11. a second mounting cavity; 12. a thimble; 13. an encoder; 14. an X-axis guide rail; 15. a first slider; 16. a first mounting hole; 17. a limiting block; 18. a pressure spring; 19. a first baffle; 20. a limit bolt; 21. a second mounting hole; 22. a screw rod; 23. a rotating lever; 24. a second baffle; 25. a third baffle; 26. a fixed sleeve; 27. rotating the handle; 28. a second slider; 29. a fixed block; 30. a thimble body; 31. a cavity; 32. a connecting shaft; 33. a first mounting sleeve; 34. a second mounting sleeve; 35. a third mounting sleeve; 36. a fourth mounting sleeve; 37. a first fastening sleeve; 38. a second fastening sleeve; 39. a third fastening sleeve; 40. a first vertical support plate; 41. a second vertical support plate; 42. an oblique support plate; 43. a first horizontal support plate; 44. and a second horizontal support plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in FIG. 1, the device for measuring rotation precision comprises a fixing plate 1 arranged along the X-axis direction, a base 2 arranged along the Y-axis direction is fixed at the top of the fixing plate 1, a bottom plate 3 arranged along the X-axis direction is arranged at the top of the base 2, a first mounting plate 4 parallel to the bottom plate 3 is arranged on the bottom plate 3 in a sliding manner, an X-axis sliding mechanism is arranged between the first mounting plate 4 and the bottom plate 3, a second mounting plate 5 parallel to the first mounting plate 4 is arranged above the first mounting plate 4, a Y-axis guide limiting mechanism is arranged between the second mounting plate 5 and the first mounting plate 4, a sliding seat 6 is fixed at the top of the second mounting plate 5, a first mounting cavity 7 extending along the Z-axis direction is arranged in the sliding seat 6, a Z-axis sliding mechanism is arranged in the first mounting cavity 7, two sides of the first mounting cavity 7 are respectively fixed with a third mounting plate 8 through fastening parts, each third mounting plate 8 is fixed at the top of the sliding seat 6, a thimble 9 sliding along the Z-axis is arranged between the two third mounting plates 8, a thimble 9 is arranged on the sliding seat 6 along the Z-axis direction, a thimble seat plate 10 is arranged at the other side of the second mounting cavity 12 extending along the Z-axis direction, and a thimble seat 11 is arranged at the other side of the second mounting cavity 12 extending along the Z-axis direction, and the second mounting cavity 11 is arranged at the second side of the second mounting plate, and the second mounting cavity 11 is provided with a thimble 11 extending along the Z-axis direction, and the second side 11, and the second mounting cavity 11 is provided with a coaxial encoder, and the encoder, and is arranged in the other side.
As shown in fig. 2, the X-axis sliding mechanism includes two X-axis guide rails 14 extending along the X-axis direction, the two X-axis guide rails 14 are fixed on the top of the base plate 3, each X-axis guide rail 14 is slidably provided with two first sliding blocks 15 disposed side by side along the X-axis direction, a sliding groove adapted to the X-axis guide rail 14 is disposed at the bottom of each first sliding block 15, and all the first sliding blocks 15 are fixed on the bottom of the first mounting plate 4.
The Y-axis guiding and limiting mechanism comprises four first mounting holes 16 arranged at the top angle of the second mounting plate 5, a limiting block 17 is arranged in each first mounting hole 16, the lower end of each limiting block 17 extends out of each first mounting hole 16, a pressure spring 18 is sleeved at the lower end of each limiting block 17, the upper end of each pressure spring 18 is fixed at the top of the first mounting plate 4, the lower end of each pressure spring 18 is fixed at the bottom of the second mounting plate 5, a first baffle 19 is arranged at the upper end of each limiting block 17, the first baffle 19 is fixed on the second mounting plate 5 through bolts, a through hole with internal threads extending along the Y-axis direction is formed in each limiting block 17, a limiting bolt 20 with external threads is arranged in each through hole, the lower end of each limiting bolt 20 extends out of the through hole, four second mounting holes 21 are formed in the top of each first mounting plate 4, and the lower end of each limiting bolt 20 is inserted into the second mounting hole 21.
As shown in fig. 3, the Z-axis sliding mechanism includes screw rods 22 disposed in the first mounting cavity 7 along the Z-axis direction, one end of each screw rod 22 is fixed with a rotating rod 23, two ends of the rotating rod 23 are respectively provided with a second baffle 24 and a third baffle 25, a fixing sleeve 26 rotationally sleeved on the rotating rod 23 is disposed between the second baffle 24 and the third baffle 25, the fixing sleeve 26 is fixed on the inner wall of the first mounting cavity 7, one end of the rotating rod 23 provided with the third baffle 25 extends out of the sliding seat 6, the third baffle 25 abuts against the outer wall of the sliding seat 6, one end of the rotating rod 23 extending out of the sliding seat 6 is provided with a rotating handle 27, a second sliding block 28 is slidably mounted on the screw rod 22, the bottom of the thimble 9 is provided with a fixing block 29, and the second sliding block 28 is fixed on the fixing block 29 through a bolt.
In the invention, the three-way adjustment of the position of the thimble 12 can be realized through an X-axis sliding mechanism, a Y-axis sliding mechanism and a Z-axis sliding mechanism, namely, the adjustment in the axial direction (Z-axis), the radial direction (X-axis) and the top-bottom direction (Y-axis), when the adjustment in the radial direction (X-axis) is carried out, the first sliding block 15 on the first installation slides on the X-axis guide rail 14 so as to realize coaxial connection with the thimble 12 in the radial direction (X-axis), when the adjustment in the top-bottom direction (Y-axis) is carried out, the pressure spring 18 can drive the limit block 17 and the limit bolt 20 to move downwards under the action of external force, and when the pressure spring 18 is not acted by external force, the elasticity of the pressure spring 18 can drive the limit block 17 and the limit bolt 20 to move upwards so as to realize coaxial connection with the thimble 12 in the top-bottom direction (Y-axis), when the axial (Z-axis) adjustment is carried out, the rotating handle 27 is rotated to drive the rotating rod 23 and the screw rod 22 to rotate, the screw rod 22 is rotated to drive the second sliding block 28 to move in the Z-axis direction, the second sliding block 28 drives the thimble seat plate 9 and the thimble seat 10 to move in the Z-axis direction, thereby realizing coaxial connection with the thimble 12 in the axial (Z-axis) direction, the thimble 12 is convenient to be coaxially connected with a workpiece through three-way adjustment, the application range is quick and simple, simultaneously, the connection of the thimble 12 and the workpiece is realized by fixing the workpiece in a cavity arranged on the thimble 12 in a rigid connection way through a screw rod and a nut, the thimble 12 is coaxially connected with the workpiece, the connecting shaft arranged at the other end of the thimble 12 is connected with the encoder 13, the condition of the rotation of the workpiece can be transmitted to the encoder 13 for measurement in real time, the encoder 13 can detect the rotation angle of the workpiece in real time and output the rotation angle, so that the accuracy of machine tool rotation precision coding is improved, abnormal conditions such as workpiece walking and the like are timely found and corrected, the workpiece is prevented from being scrapped, the qualification rate of the workpiece is further improved, and the production cost is reduced.
As shown in fig. 4, the thimble 12 includes a thimble body 30 extending along the Z-axis direction, a cavity 31 extending along the Z-axis direction is provided on a side surface of the thimble body 30, a connecting shaft 32 extending along the Z-axis direction is provided at an end of the thimble body 30 near the sliding seat 6, a first mounting sleeve 33, a second mounting sleeve 34, a third mounting sleeve 35 and a fourth mounting sleeve 36 with diameters decreasing in order are sleeved on the connecting shaft 32, and an end of the connecting shaft 32 extending out of the fourth mounting sleeve 36 is connected with the encoder 13.
In addition, thimble fastening mechanism includes along the first fastening sleeve 37, second fastening sleeve 38 and the third fastening sleeve 39 that Z axle direction set gradually, the diameter of first fastening sleeve 37, the diameter of second fastening sleeve 38 and the diameter of third fastening sleeve 39 reduce in proper order, first fastening sleeve 37 is fixed in the side that thimble seat 10 is close to thimble body 30, first fastening sleeve 37 cover is located on the first installation sleeve 33, be equipped with the annular groove on the inner wall of one side that second installation cavity 11 is close to thimble body 30, second fastening sleeve 38 sets up in the annular groove, second fastening sleeve 38 cover is located on the second installation sleeve 34, third fastening sleeve 39 cover is located on the third installation sleeve 35, thereby guaranteed that thimble 12 can not move around the Z axle in the Z axle direction and rotate, thereby guaranteed the axiality of thimble 12 and work piece, and then make encoder 13 can output work piece gyration angle in real time.
As shown in fig. 5, the base 2 includes two first vertical support plates 40 and a second vertical support plate 41 that are disposed along the Y-axis direction, the two first vertical support plates 40 are perpendicular to the second vertical support plate 41, two diagonal support plates 42 that are fixed on the second vertical support plate 41 are disposed between the two first vertical support plates 40, the two diagonal support plates 42 are disposed opposite to each other, the bottom of each diagonal support plate 42 is connected with the bottom of the first vertical support plate 40, a first horizontal support plate 43 that extends along the X-axis direction is disposed between each diagonal support plate 42 and the first vertical support plate 40, a second horizontal support plate 44 that extends along the X-axis direction is disposed between the two diagonal support plates 42, and the top of the two first vertical support plates 40, the top of the second vertical support plate 41, and the top of the two diagonal support plates 42 are fixed on the bottom of the base 3 together.
In summary, the device for measuring the rotation precision has the characteristics of accurate rotation precision coding of the machine tool, capability of checking and outputting the rotation angle of the workpiece in real time, high qualification rate of the workpiece and low cost.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (5)
1. The device for measuring the rotation precision comprises a fixed plate arranged along the X-axis direction, and is characterized in that the top of the fixed plate is fixedly provided with a base arranged along the Y-axis direction, the top of the base is provided with a bottom plate arranged along the X-axis direction, a first mounting plate parallel to the bottom plate is arranged on the bottom plate in a sliding manner, an X-axis sliding mechanism is arranged between the first mounting plate and the bottom plate, a second mounting plate parallel to the first mounting plate is arranged above the first mounting plate, a Y-axis guiding limiting mechanism is arranged between the second mounting plate and the first mounting plate, the top of the second mounting plate is fixedly provided with a sliding seat, a first mounting cavity extending along the Z-axis direction is arranged in the sliding seat, a Z-axis sliding mechanism is arranged in the first mounting cavity, the two sides of the first mounting cavity are respectively fixed with a third mounting plate through fastening parts, each third mounting plate is fixed at the top of the sliding seat, a thimble seat plate which is slidably mounted on the sliding seat along the Z axis is arranged between the two third mounting plates, a thimble seat is fixed at the top of the thimble seat plate, a second mounting cavity which extends along the Z axis direction is arranged in the thimble seat plate, a thimble which is arranged along the Z axis direction is arranged in the second mounting cavity, a thimble fastening mechanism is arranged between the thimble and the second mounting cavity, one end of the thimble extends out of one side of the thimble seat, an encoder which is coaxially connected with the thimble is arranged at the other side of the thimble seat, the X axis sliding mechanism comprises two X axis guide rails which extend along the X axis direction, the two X axis guide rails are fixed at the top of the bottom plate, each X axle guide rail is provided with two first sliding blocks which are arranged side by side along the X axle direction, each first sliding block is provided with a sliding groove which is matched with the X axle guide rail, all the first sliding blocks are all fixed on the bottom of the first mounting plate, the Y axle guide limiting mechanism comprises four first mounting holes which are arranged at the top angle of the second mounting plate, each first mounting hole is internally provided with a limiting block, each lower end of each limiting block extends out of the first mounting hole, each lower end of each limiting block is sleeved with a pressure spring, each upper end of each pressure spring is fixed on the top of the first mounting plate, each lower end of each pressure spring is fixed on the bottom of the second mounting plate, each upper end of each limiting block is provided with a first baffle, the first baffle is fixed on the second mounting plate through bolts, each limiting block is provided with a first through hole which extends along the Y axle direction, each first through hole is internally provided with a first through hole, and each second through hole is internally provided with a limit bolt.
2. The apparatus according to claim 1, wherein the Z-axis sliding mechanism includes a screw rod disposed in the first mounting cavity along the Z-axis direction, one end of each screw rod is fixed with a rotating rod, two ends of the rotating rod are respectively provided with a second baffle and a third baffle, a fixing sleeve rotatably sleeved on the rotating rod is disposed between the second baffle and the third baffle, the fixing sleeve is fixed on the inner wall of the first mounting cavity, one end of the rotating rod provided with the third baffle extends out of the sliding seat, the third baffle abuts against the outer wall of the sliding seat, one end of the rotating rod extending out of the sliding seat is provided with a rotating handle, a second sliding block is slidably mounted on the screw rod, a fixing block is disposed at the bottom of the thimble seat plate, and the second sliding block is fixed on the fixing block through a bolt.
3. The apparatus for measuring rotary precision according to claim 1, wherein the thimble comprises a thimble body extending along a Z-axis direction, a cavity extending along the Z-axis direction is provided on a side surface of the thimble body, a connecting shaft extending along the Z-axis direction is provided at one end of the thimble body near the sliding seat, a first mounting sleeve, a second mounting sleeve, a third mounting sleeve and a fourth mounting sleeve with diameters decreasing in sequence are sequentially sleeved on the connecting shaft, and one end of the connecting shaft extending out of the fourth mounting sleeve is connected with the encoder.
4. The apparatus for measuring rotation precision according to claim 3, wherein the thimble fastening mechanism comprises a first fastening sleeve, a second fastening sleeve and a third fastening sleeve which are sequentially arranged along the Z-axis direction, the diameter of the first fastening sleeve, the diameter of the second fastening sleeve and the diameter of the third fastening sleeve are sequentially reduced, the first fastening sleeve is fixed on one side of the thimble seat, which is close to the thimble body, the first fastening sleeve is sleeved on the first mounting sleeve, an annular groove is formed in an inner wall of one side of the second mounting cavity, which is close to the thimble body, the second fastening sleeve is arranged in the annular groove, the second fastening sleeve is sleeved on the second mounting sleeve, and the third fastening sleeve is sleeved on the third mounting sleeve.
5. The apparatus for measuring rotation precision according to claim 1, wherein the base comprises two first vertical support plates and a second vertical support plate arranged along the Y-axis direction, the two first vertical support plates are perpendicular to the second vertical support plates, two diagonal support plates fixed on the second vertical support plates are arranged between the two first vertical support plates, the two diagonal support plates are arranged oppositely, the bottom of each diagonal support plate is connected with the bottom of the first vertical support plate, a first horizontal support plate extending along the X-axis direction is arranged between each diagonal support plate and the first vertical support plate, a second horizontal support plate extending along the X-axis direction is arranged between the two diagonal support plates, and the tops of the two first vertical support plates, the top of the second vertical support plates and the top of the two diagonal support plates are jointly fixed on the bottom of the base plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910016408.0A CN109834511B (en) | 2019-01-08 | 2019-01-08 | Apparatus for measuring rotation accuracy |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910016408.0A CN109834511B (en) | 2019-01-08 | 2019-01-08 | Apparatus for measuring rotation accuracy |
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| CN109834511A CN109834511A (en) | 2019-06-04 |
| CN109834511B true CN109834511B (en) | 2024-03-15 |
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