CN203375955U - A precision clamp device for grinding rod diameter measurement - Google Patents
A precision clamp device for grinding rod diameter measurement Download PDFInfo
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- CN203375955U CN203375955U CN201320485937.3U CN201320485937U CN203375955U CN 203375955 U CN203375955 U CN 203375955U CN 201320485937 U CN201320485937 U CN 201320485937U CN 203375955 U CN203375955 U CN 203375955U
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- end cap
- drawhead
- piston
- ring
- grinding rod
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Abstract
The utility model provides a precision clamp device for grinding rod diameter measurement. The internal structure is designed by using a modular design method. The precision clamp device comprises an installation base module and a grinding rod clamping module. The precision clamp device solves the problem that the measurement accuracy is influenced by vibration or shaking existing in the measurement process because a grinding rod is clamped with a handheld method or a V-shaped support clamping method in the traditional grinding rod detection, guarantees that the grinding rod is clamped firmly, is of high kinematic accuracy and is free of vibration or shaking in the measurement process, prevents human intervention and enables the shape parameters such as roundness and diameter to be measured accurately in one grinding rod measuring apparatus. Compared with the prior art, the rotation shaft enables the measurement process to be free of manual intervention, consistently guarantees the contact force for the clamping of grinding rods of the same specification, guarantees that the grinding rods are not damaged in the measurement process, and provides the feasible solution of special clamping device for the full-automatic measurement of the grinding rods.
Description
Technical field
The utility model relates to the measuring equipment field, relates in particular to the accurate clamping device of a kind of grinding rod diameter measurement.
Background technology
Along with accurate Machining of Shaft-type Parts accuracy requirement is more and more higher, grinding rod self precision as accurate axial workpiece blank material is proposed to higher requirement, the key technical index of weighing grinding rod self precision has the diameter of grinding rod, linearity, circularity etc., the grinding rod length of general blank material is all over 2m, and the continuous lengthening along with accurate axial workpiece length, as the grinding rod length of blank material also in continuous growth, this brings larger challenge to grinding rod processing and detection technique, in order to adapt to the processing of follow-up accurate axial workpiece, grinding rod diameter specifications thickness does not wait, of a great variety, grinding rod generally adopts centerless grinder to carry out grinding to outside surface, so that the grinding rod after processing has satisfactory surfaceness, the technical indicator such as circularity and diameter, because bar length is longer, in process at the different section of same bar diameters, the technical indicators such as circularity there will be subtle change, need to each spot diameter of grinding rod and the circularity after processing accurately be detected, to guarantee that this subtle change is controlled in grinding rod mismachining tolerance scope, diameter is weighed one of core index of self precision as grinding rod, after grinding rod processing, need strictly to be monitored, to avoid occurring unacceptable product.
The detection method of tradition grinding rod diameter, the general survey instruments such as spiral dial gauge or vernier caliper that adopt carry out manual contact type measurement, hold on the other hand grinding rod by the surveyor during measurement, hold on the other hand survey instrument, take to inspect by random samples metering system, random State selective measurements point on grinding rod, read corresponding measurement data, easily frayed with survey instrument for fear of the grinding rod surface of taking contact measurement to cause unavoidably, and then affect grinding rod self quality and cause the survey instrument subject to damage, utilize the non-contact measurement mode of optics more and more welcome, the optical non-contact metering system is to take the precision optics gauge head, utilize its signal generator to send light curtain signal to the grinding rod be positioned at wherein, and accept not to be polished by the signal receiver on its opposite the signal that rod stops, finally by light curtain signal total length, deduct the length that is not polished excellent block signal, can obtain the grinding rod diameter value, no matter take contact type measurement, or non-contact measurement, all needing that measured grinding rod is carried out to clamping fixes, in order to avoid in measuring process the grinding rod transfixion and state constant, to guarantee the grinding rod measuring accuracy.
The utility model content
The utility model aims to provide a kind of grinding rod shape measure precision rotation axle.
For achieving the above object, the utility model adopts following technical scheme, the accurate clamping device of a kind of grinding rod diameter measurement, and its inner structure adopts the modular design method design, comprises with lower module:
The mounting seat module, comprise mount pad, interior outer end cap, left and right end cap, drawhead base and drawhead end cap, the left and right end cap is located at respectively the two ends of mount pad, is connected sealing by O-ring seal with mount pad, the drawhead base is fixed on the left end of left end cap, the drawhead end cap is located at the left side of drawhead base, outer end cap is fixed on the right-hand member of right end cap, and inner end cap is located at the right side of outer end cap;
Grinding rod clamping module, comprise push rod rollback air connector, push away air connector before push rod, collet chuck, the chuck handle, the chuck installing ring, precision spring, empty push rod, bearing, end ring, the end ring pressed seat, left piston, right piston and piston boit, described empty push rod runs through the left and right end cap, mount pad, outer end cap, piston boit, drawhead base and drawhead end cap, the end ring pressed seat is located at the left side of drawhead end cap, and end ring is located at the right-hand member of end ring pressed seat and is located in the drawhead end cap, and bearing is located at the right-hand member of end ring, the left side of drawhead base, described left piston is located between bearing and drawhead end cap, and right piston is located between bearing and drawhead base, and described piston boit is located at the inboard of outer end cap, precision spring is located between piston boit and inner end cap, and described chuck installing ring is located in inner end cap, right part runs through inner end cap, and the chuck handle is located at the right-hand member of outer end cap and is enclosed within piston boit, the chuck installing ring, the outside of precision spring and inner end cap, described collet chuck left end props up precision spring, run through inner end cap and chuck installing ring, right-hand member runs through the chuck handle.
As preferably, described empty push rod leads directly to from left to right into the piston boit endoporus, and is attached thereto and is integrated, and empty push rod outer ring coordinates by O-ring seal with the piston seat endoporus.
As preferably, described bearing is fixed in the middle of left and right piston, and left and right piston is installed in after being laminated in the drawhead base, and outer end is fixed by the drawhead end cap, and by O-ring seal, it is sealed.
As preferably, described chuck handle directly is fixed on the piston boit right side connected as one with empty push rod by screw.
As preferably, described collet chuck is fastened on the chuck installing ring by accurate thread, and the chuck installing ring is fixed on inner end cap and is integrally formed by fixing jackscrew again.
As preferably, described inner end cap directly is fixed on the right side of piston seat.
The utility model discloses the accurate clamping device of a kind of grinding rod diameter measurement, solved in traditional grinding rod detection method process and to have adopted hand to take or to take V-type to support vibration that the mode clamping grinding rod such as clamping exists in measuring process or shake and affect the problem of measuring accuracy, guaranteed that grinding rod clamps in measuring process firm, kinematic accuracy is high, without any vibration or shake, avoid artificial interference, for in same grinding rod measuring equipment, realizing circularity, the precision measurement of the form parameters such as diameter provides possibility, than classic method, this precision rotation axle can be realized the intervention of measuring process prosthetic, and guarantee all the time the contact force for the clamping of same specification grinding rod, guarantee that measuring process is to grinding rod self not damaged, for the grinding rod all automatic measurement provides the Feasibility Solution of professional clamping device.
The accompanying drawing explanation
Fig. 1 is cut-away view of the present utility model;
Fig. 2 is external structure of the present utility model;
Fig. 3 is external structure of the present utility model.
In figure: 1. left piston air cavity; 2. left piston inner seal ring; 3. drawhead end cap seal circle; 4. drawhead end cap gib screw; 5. bearing ring washer; 6. bearing; 7. right plunger shaft; 8. empty push rod exterior seal ring; 9. empty push rod; 10. right piston seat inner seal ring; 11. piston seat; 12. piston boit; 13. piston boit exterior seal ring; 14. precision spring; 15. chuck installing ring; 16. chuck handle; 17. collet chuck; 18. the chuck installing ring is jackscrew fixedly; 19. inner end cap; 20. outer end cap; 21. right end cap; 22. piston seat exterior seal ring; 23. right end cap O-ring seal; 24. mount pad; 25. left end cap O-ring seal; 26. left end cap; 27. drawhead base gib screw; 28. drawhead base; 29. right piston exterior seal ring; 30. right piston; 31. left piston exterior seal ring; 32. left piston; 33. end ring pressed seat; 34. drawhead end cap; 35. push rod rollback air connector; 36. push away air connector before push rod.
Embodiment
Below describe embodiment of the present utility model in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label means same or similar element or the element with identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, only for explaining the utility model, and can not be interpreted as restriction of the present utility model.
Referring to shown in Fig. 1 to Fig. 3, the accurate clamping device of a kind of grinding rod diameter measurement, its inner structure adopts the modular design method design, comprises with lower module:
The mounting seat module, comprise mount pad 24, interior outer end cap, left and right end cap, drawhead base 28 and drawhead end cap 34, the left and right end cap be located at respectively mount pad 24 two ends, be connected sealing by O-ring seal with mount pad 24, drawhead base 28 is fixed on the left end of left end cap 26, drawhead end cap 34 is located at the left side of drawhead base 28, outer end cap 20 is fixed on the right-hand member of right end cap 21, and inner end cap 19 is located at the right side of outer end cap 20;
Grinding rod clamping module, comprise push rod rollback air connector 35, push away air connector 36 before push rod, collet chuck 17, chuck handle 16, chuck installing ring 15, precision spring 14, empty push rod 9, bearing 6, end ring 5, end ring pressed seat 33, left piston 32, right piston 30 and piston boit 12, described empty push rod 9 runs through the left and right end cap, mount pad 24, outer end cap 20, piston boit 12, drawhead base 28 and drawhead end cap 34, end ring pressed seat 33 is located at the left side of drawhead end cap 34, and end ring 5 is located at the right-hand member of end ring pressed seat 33 and is located in drawhead end cap 34, and bearing 6 is located at the right-hand member of end ring 5, the left side of drawhead base 28, bearing 6 is fixed on a left side, in the middle of right piston, and left, after being laminated, right piston is installed in drawhead base 28, outer end is fixing by drawhead end cap 34, and by O-ring seal, it is sealed, described left piston 32 is located between bearing 6 and drawhead end cap 34, right piston 30 is located between bearing 6 and drawhead base 28, described piston boit 12 is located at the inboard of outer end cap 20, empty push rod 9 leads directly to from left to right into piston boit 12 endoporus, and be attached thereto and be integrated, empty push rod 9 outer rings coordinate by O-ring seal 10 with piston seat 11 endoporus, precision spring 14 is located between piston boit 12 and inner end cap 19, and described chuck installing ring 15 is located in inner end cap 19, right part runs through inner end cap 19, and chuck handle 16 is located at the right-hand member of outer end cap 20 and is enclosed within piston boit 12, chuck installing ring 15, the outside of precision spring 14 and inner end cap 19, directly be fixed on by screw on piston boit 12 right sides that connect as one with empty push rod 9, and described collet chuck 17 left ends prop up precision spring 13, run through inner end cap 19 and chuck installing ring 15, right-hand member runs through chuck handle 16, by accurate thread, is fastened on chuck installing ring 15, and chuck installing ring 15 is fixed on inner end cap 19 and is integrally formed by fixing jackscrew 18 again, and inner end cap 19 directly is fixed on the right side of piston seat 11.
While pushing away air connector 36 supply pressurized air before the push rod to drawhead end cap 34, left piston chamber 1 will be full of the pressurized air with certain pressure, promoting empty push rod 9 moves right, thereby the piston boit 12 of empty push rod 9 right-hand members also will move right together, thereby push its right side spring 14, promote chuck handle 16 simultaneously and outwards move, incite somebody to action progressively extrusion spring chuck 17 after chuck handle 16 moves right, to hold grinding rod tightly after collet chuck 17 is squeezed, so realize the Automatic-clamping to grinding rod, after clamping, precision feeler carries out scanning measurement to the grinding rod diameter, after measuring one section, control system is closed the pressurized air that is supplied to draw-bar seat left piston chamber 1, and give draw-bar seat right plunger shaft 7 supply pressurized air, right piston 30 will promote empty push rod 9 left, along with empty push rod 9 is return left, the piston boit 12 that drives empty push rod 9 right sides is rollback left, the precision spring 14 of pressurized is progressively extended before, promoting piston boit 12 returns in piston seat 11, thereby driving chuck handle 16 returns left, final trip spring chuck 17, so realized automatically unclamping of grinding rod.
The utility model discloses the accurate clamping device of a kind of grinding rod diameter measurement, solved in traditional grinding rod detection method process and to have adopted hand to take or to take V-type to support vibration that the mode clamping grinding rod such as clamping exists in measuring process or shake and affect the problem of measuring accuracy, guaranteed that grinding rod clamps in measuring process firm, kinematic accuracy is high, without any vibration or shake, avoid artificial interference, for in same grinding rod measuring equipment, realizing circularity, the precision measurement of the form parameters such as diameter provides possibility, than classic method, this precision rotation axle can be realized the intervention of measuring process prosthetic, and guarantee all the time the contact force for the clamping of same specification grinding rod, guarantee that measuring process is to grinding rod self not damaged, for the grinding rod all automatic measurement provides the Feasibility Solution of professional clamping device.
In the description of this instructions, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present utility model or example in conjunction with specific features, structure, material or the characteristics of this embodiment or example description.In this manual, the schematic statement of above-mentioned term not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or characteristics can be with suitable mode combinations in any one or more embodiment or example.
Although illustrated and described embodiment of the present utility model, those having ordinary skill in the art will appreciate that: in the situation that do not break away from principle of the present utility model and aim can be carried out multiple variation, modification, replacement and modification to these embodiment, scope of the present utility model is limited by claim and equivalent thereof.
Claims (6)
1. the accurate clamping device of grinding rod diameter measurement, is characterized in that, its inner structure adopts the modular design method design, comprises with lower module:
The mounting seat module, comprise mount pad, interior outer end cap, left and right end cap, drawhead base and drawhead end cap, the left and right end cap is located at respectively the two ends of mount pad, is connected sealing by O-ring seal with mount pad, the drawhead base is fixed on the left end of left end cap, the drawhead end cap is located at the left side of drawhead base, outer end cap is fixed on the right-hand member of right end cap, and inner end cap is located at the right side of outer end cap;
Grinding rod clamping module, comprise push rod rollback air connector, push away air connector before push rod, collet chuck, the chuck handle, the chuck installing ring, precision spring, empty push rod, bearing, end ring, the end ring pressed seat, left piston, right piston and piston boit, described empty push rod runs through the left and right end cap, mount pad, outer end cap, piston boit, drawhead base and drawhead end cap, the end ring pressed seat is located at the left side of drawhead end cap, and end ring is located at the right-hand member of end ring pressed seat and is located in the drawhead end cap, and bearing is located at the right-hand member of end ring, the left side of drawhead base, described left piston is located between bearing and drawhead end cap, and right piston is located between bearing and drawhead base, and described piston boit is located at the inboard of outer end cap, precision spring is located between piston boit and inner end cap, and described chuck installing ring is located in inner end cap, right part runs through inner end cap, and the chuck handle is located at the right-hand member of outer end cap and is enclosed within piston boit, the chuck installing ring, the outside of precision spring and inner end cap, described collet chuck left end props up precision spring, run through inner end cap and chuck installing ring, right-hand member runs through the chuck handle.
2. clamping device according to claim 1, is characterized in that, described empty push rod leads directly to from left to right into the piston boit endoporus, and be attached thereto and be integrated, and empty push rod outer ring coordinates by O-ring seal with the piston seat endoporus.
3. clamping device according to claim 1, it is characterized in that, described bearing is fixed in the middle of left and right piston, and left and right piston is installed in the drawhead base after being laminated, outer end is fixed by the drawhead end cap, and by O-ring seal, it is sealed.
4. clamping device according to claim 2, is characterized in that, described chuck handle directly is fixed on the piston boit right side connected as one with empty push rod by screw.
5. clamping device according to claim 1, is characterized in that, described collet chuck is fastened on the chuck installing ring by accurate thread, and the chuck installing ring is fixed on inner end cap and is integrally formed by fixing jackscrew again.
6. clamping device according to claim 5, is characterized in that, described inner end cap directly is fixed on the right side of piston seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320485937.3U CN203375955U (en) | 2013-08-09 | 2013-08-09 | A precision clamp device for grinding rod diameter measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320485937.3U CN203375955U (en) | 2013-08-09 | 2013-08-09 | A precision clamp device for grinding rod diameter measurement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203375955U true CN203375955U (en) | 2014-01-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320485937.3U Expired - Fee Related CN203375955U (en) | 2013-08-09 | 2013-08-09 | A precision clamp device for grinding rod diameter measurement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203375955U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103398689A (en) * | 2013-08-09 | 2013-11-20 | 昆山允可精密工业技术有限公司 | Precision clamping device used for diameter measurement of grinding rod |
| CN110773988A (en) * | 2019-07-31 | 2020-02-11 | 扬州市创搏机械制造有限公司 | Automatic fixed-length tightening device of dust remover ash removal air nozzle |
-
2013
- 2013-08-09 CN CN201320485937.3U patent/CN203375955U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103398689A (en) * | 2013-08-09 | 2013-11-20 | 昆山允可精密工业技术有限公司 | Precision clamping device used for diameter measurement of grinding rod |
| CN110773988A (en) * | 2019-07-31 | 2020-02-11 | 扬州市创搏机械制造有限公司 | Automatic fixed-length tightening device of dust remover ash removal air nozzle |
| CN110773988B (en) * | 2019-07-31 | 2024-04-16 | 扬州市创搏机械制造有限公司 | Automatic fixed-length screwing device for ash removal air tap of dust remover |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140101 Termination date: 20140809 |
|
| EXPY | Termination of patent right or utility model |