CN102320020A - Machine tool chuck clamping detection device - Google Patents
Machine tool chuck clamping detection device Download PDFInfo
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- CN102320020A CN102320020A CN201110258359A CN201110258359A CN102320020A CN 102320020 A CN102320020 A CN 102320020A CN 201110258359 A CN201110258359 A CN 201110258359A CN 201110258359 A CN201110258359 A CN 201110258359A CN 102320020 A CN102320020 A CN 102320020A
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- detection
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- seat mounting
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- pull bar
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Abstract
The invention discloses a machine tool chuck clamping detection device, and belongs to a machine tool chuck part. When a workpiece is not clamped in place, the machining precision is affected. The device comprises a hollow pull rod, a detection seat mounting block, a pressure detection valve and three same positioning detection mechanisms, wherein the pull rod is connected with the detection seat mounting block arranged at the front end face of a chuck body, and the three same positioning detection mechanisms are arranged on the detection seat mounting block at intervals along the circumference; each positioning detection mechanism comprises a positioning column, a detection ejector rod and a detection seat arranged on the detection seat mounting block, wherein the rear section of the positioning column is arranged in the groove cavity of the detection seat, the hollow cavity of the positioning column and the groove cavity form a piston cavity, the front section of the detection ejector rod is in zero clearance fit with the cavity wall of the positioning column, the bottom of the groove cavity of the detection seat is provided with an axial through hole and a lateral through hole, and the rear section of the detection ejector rod is provided with a piston cover for covering the axial through hole; the cavity of the pull rod, the axial through hole and an air passage in the detection seat mounting block are connected to form an air path; and the rear end of the pull rod is connected with the pressure detection valve, and workpiece clamping detection is realized by detecting the pressure change of air.
Description
Technical field
The invention belongs to the machine chuck part apparatus, especially relevant with a kind of machine chuck clamping checkout gear.
Background technology
The parts that are used for clamping work pieces when chuck is machined into.Especially during disc type work, whether clamping puts in place the gripper chuck clamping of workpieces not know workpiece sometimes.If workpiece does not have clamping to put in place, the part that processes might not meet processing request.Need a kind of clamping workpiece checkout gear be installed in the chuck parts, whether clamping puts in place to be used for detecting workpiece for this reason.
Summary of the invention
The object of the invention is exactly that a kind of machine chuck clamping checkout gear that can detect the clamping workpiece state will be provided, and puts in place to realize whether the detection workpiece is installed.
For this reason; The present invention adopts following technical scheme: machine chuck clamping checkout gear; It is characterized in that: described clamping checkout gear comprises pull bar, detects seat mounting blocks, pressure detecting valve and three identical positioning detection mechanism; Pull rod shaft is to hollow; Pull bar is located in the axial central through hole of machine chuck chuck body, and a detection seat mounting blocks is fixedly installed in described chuck body front end face and is connected with the pull bar front end, and three positioning detection mechanism along the circumferential direction are installed at interval and detect on the seat mounting blocks; Each positioning detection mechanism comprises detection seat, reference column and detection push rod, detects seat and is installed on described detection seat mounting blocks, and the detection seat is provided with the groove cavity of front opening; The reference column front end face is as locating surface, and the reference column back segment is installed in the described groove cavity, the axial hollow of reference column; Reference column hollow cavity and described groove cavity are formed plunger shaft; Detection push rod leading portion does not have the gap with the reference column internal chamber wall and cooperates, and detects the push rod back segment piston is set, and piston is arranged in described plunger shaft; The described seat groove cavity bottom of detecting is provided with axially extending bore and the side direction through hole that is communicated with described plunger shaft, and described piston cap is encapsulated in described axially extending bore; On the described detection seat mounting blocks air duct is set and is communicated with three said axially extending bore and pull bar hollow cavities that detect on the seat respectively, make the air duct on pull bar hollow cavity, the detection mounting blocks, the axially extending bore that detects on the seat connect to form path successively; Described pressure detecting valve is connected in back end of tie rod.
Back end of tie rod was connected with gas injection type revolution oil hydraulic cylinder when the present invention used.When not working, the piston that detects push rod is covered in the axially extending bore that detects seat under atmospheric air pressure; During work, the air inlet of pull bar hollow cavity, then compressed air is input in the axially extending bore of three detection seats, produces forward thrust to detecting push rod.Do piston when motion when compressed air can not promote to detect push rod, then explanation detects the push rod front end and leans against on the workpiece locating surface, can think that workpiece is installed this moment to put in place; Do piston when motion when compressed air can promote to detect push rod, then explanation detects the push rod front end and does not lean against the workpiece locating surface, and pressure air is pushed the detection push rod open, and pressure air export from described side direction through hole, can think that clamping workpiece does not put in place at this moment.Air pressure variations in the time of can detecting clamping workpiece through the pressure detecting valve in the pull bar inner chamber is if pressure no change during clamping explains that clamping puts in place; Explain then when pressure has significant change that air spills, clamping does not put in place.
As the further of technique scheme improved and replenish, the present invention also comprises following additional technical feature.
Described detection push rod rear end is provided with guide section, and this guide section stretches into described axially extending bore.
The guide section outer surface of described detection push rod is provided with sealed groove near the piston place, is set with first sealing ring on the sealed groove, and the described axially extending bore of piston cap seal is played the enhancing sealing function.
The described detection in seat and the contact-making surface that detects the seat mounting blocks is provided with seal groove, is provided with second sealing ring in the seal groove, plays the increase sealing function to detecting seat with air-tightness between the detection mounting blocks.
Use the present invention can reach following beneficial effect: can detect what whether clamping workpiece put in place, guarantee the workpiece machining accuracy, less workpiece processing is scrapped.
Description of drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is the A-A cutaway view of Fig. 1.
Fig. 3 is the partial enlarged view that the A-A of Fig. 1 analyses and observe.
The specific embodiment
Be described in detail below in conjunction with the accompanying drawing specific embodiments of the invention.
Like Fig. 1, Fig. 2, shown in Figure 3; The present invention includes pull bar 11, detect seat mounting blocks 2, pressure detecting valve and three identical positioning detection mechanism; Pull bar 11 axial hollows; Pull bar 11 is located in the axial central through hole of machine chuck chuck body 1, and a detection seat mounting blocks 2 is fixedly installed in described chuck body 1 front end face and is connected with pull bar 11 front ends, and three positioning detection mechanism along the circumferential direction are installed at interval and detect on the seat mounting blocks 2; Each positioning detection mechanism comprises detection seat 9, reference column 4 and detects push rod 5, detects seat 9 and is installed on a detection seat mounting blocks 2, detects the groove cavity that seat 9 is provided with front opening; Reference column 4 front end faces are as locating surface, and reference column 4 back segments are installed in the described groove cavity, reference column 4 axial hollows; Reference column hollow cavity and described groove cavity are formed plunger shaft, and detection push rod 5 leading portions do not have the gap with reference column 4 internal chamber walls and cooperate, and detect push rod 5 back segments piston 6 is set; Piston 6 is arranged in described plunger shaft; The described groove cavity bottom of detecting seat 9 is provided with the axially extending bore 13 and side direction through hole 12 that is communicated with described plunger shaft, and described piston 6 cap seals detect push rod 5 rear ends guide section 8 is set in described axially extending bore 13; Guide section 8 stretches into axially extending bore 13; Guide section 8 outer surfaces are provided with sealed groove near the piston place, are set with first sealing ring 7 on the sealed groove, and piston cap seal axially extending bore is played the enhancing sealing function; Described detect is provided with air duct and is communicated with three axially extending bore 13 and hollow cavities of pull bar 11 that detect on the seat respectively on the seat mounting blocks 2, an axially extending bore that make the pull bar hollow cavity, detect air duct on the seat mounting blocks, detects connects to form path successively; Be provided with seal groove in the contact-making surface of detection seat 9 and detection seat mounting blocks 2, be provided with second sealing ring 10 in the seal groove, the air-tightness between a detection seat and the detection mounting blocks is played the increase sealing function; Described pressure detecting valve is connected in pull bar 11 rear ends.
The rear end of pull bar 11 was connected with gas injection type revolution oil hydraulic cylinder when the present invention used.When not working, the piston 8 that detects push rod 5 is covered in the axially extending bore 13 that detects seat 9 under atmospheric air pressure; During work, the hollow cavity air inlet of pull bar 11, then compressed air is input in the axially extending bore of three detection seats, produces forward thrust to detecting push rod 5.Do piston when motion when compressed air can not promote to detect push rod 5, explain that then the push rod front end leans against on the workpiece locating surface, can think that workpiece is installed this moment to put in place; Do piston when motion when compressed air can promote to detect push rod 5, then explanation detects push rod 5 front ends and does not lean against the workpiece locating surface, and pressure air is pushed open and detected push rod 5, and pressure air is from described side direction through hole 12 outputs, and can think that clamping workpiece does not put in place this moment.Air pressure variations in the time of can detecting clamping workpiece through the pressure detecting valve in the pull bar inner chamber is if pressure no change during clamping explains that clamping puts in place; Explain then when pressure has significant change that air spills, clamping does not put in place.
Claims (4)
1. machine chuck clamping checkout gear; It is characterized in that: described clamping checkout gear comprises pull bar (11), detects seat mounting blocks (2), pressure detecting valve and three identical positioning detection mechanism; Pull bar (11) is hollow axially; Pull bar (11) is located in the axial central through hole of machine chuck chuck body (1); A detection seat mounting blocks (2) is fixedly installed in described chuck body (1) front end face and is connected with pull bar (11) front end, and three positioning detection mechanism along the circumferential direction are installed at interval and detect on the seat mounting blocks (2); Each positioning detection mechanism comprises detection seat (9), reference column (4) and detects push rod (5); Detect seat (9) and be installed on described detection seat mounting blocks (2), detect the groove cavity that seat (9) is provided with front opening, reference column (4) front end face is as locating surface; Reference column (4) back segment is installed in the described groove cavity; Reference column (4) is hollow axially, and reference column (4) hollow cavity and described groove cavity are formed plunger shaft, and detection push rod (5) leading portion does not have the gap with reference column (4) internal chamber wall and cooperates; Detect push rod (5) back segment piston (6) is set; Piston (6) is arranged in described plunger shaft, and the described groove cavity bottom of detecting seat (9) is provided with axially extending bore (13) and the side direction through hole (12) that is communicated with described plunger shaft, and described piston (6) cap seal is in described axially extending bore (13); Described detect is provided with air duct and is communicated with the hollow cavity of pull bar (11) with three said axially extending bores (13) that detect on the seat (9) respectively on the seat mounting blocks (2), make the pull bar hollow cavity, detect air duct on the seat mounting blocks, the axially extending bore in the detection connects to form path successively; Described pressure detecting valve is connected in pull bar (11) rear end.
2. machine chuck clamping checkout gear according to claim 1 is characterized in that: described detection push rod (5) rear end is provided with guide section (8), and this guide section (8) stretches into described axially extending bore (13).
3. machine chuck clamping checkout gear according to claim 2 is characterized in that: the guide section outer surface of described detection push rod (5) is provided with sealed groove near the piston place, is set with first sealing ring (7) on the sealed groove.
4. according to claim 1,2,3 or 4 described machine chuck clamping checkout gears, it is characterized in that: be provided with seal groove in the contact-making surface of described detection seat (9) and detection seat mounting blocks (2), be provided with second sealing ring (10) in the seal groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102583595A CN102320020B (en) | 2011-09-02 | 2011-09-02 | Machine tool chuck clamping detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102583595A CN102320020B (en) | 2011-09-02 | 2011-09-02 | Machine tool chuck clamping detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102320020A true CN102320020A (en) | 2012-01-18 |
| CN102320020B CN102320020B (en) | 2013-11-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102583595A Active CN102320020B (en) | 2011-09-02 | 2011-09-02 | Machine tool chuck clamping detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102320020B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102941505A (en) * | 2012-11-21 | 2013-02-27 | 无锡市贝斯特精密机械有限公司 | Movable elastic airtight detecting device |
| CN103752877A (en) * | 2013-12-11 | 2014-04-30 | 山东鲁南机床有限公司 | Precision positioning confirming device for clamping of chuck |
| CN105636741A (en) * | 2013-10-08 | 2016-06-01 | 富士机械制造株式会社 | Workpiece seating detection device and method for adjusting same |
| CN113776816A (en) * | 2021-11-15 | 2021-12-10 | 济宁冠杰数控机床股份有限公司 | Reliability test device for elastic chuck of numerical control machine tool |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3945275A (en) * | 1974-02-01 | 1976-03-23 | The S-P Manufacturing Corporation | Rotary jaw chuck with stock detector |
| JPH10225845A (en) * | 1997-02-11 | 1998-08-25 | Howa Mach Ltd | Main spindle device for machine tool |
| JP2001259906A (en) * | 2000-03-17 | 2001-09-25 | Toyoda Mach Works Ltd | Tool mounting confirming device |
| CN101432097A (en) * | 2006-04-27 | 2009-05-13 | 系统3R国际股份有限公司 | Clamping apparatus with device for measuring the distance between a chuck and a worktool or workpiece holder |
| CN202192501U (en) * | 2011-09-02 | 2012-04-18 | 浙江日发数码精密机械股份有限公司 | Pneumatic workpiece clamping detector of chuck of machine tool |
-
2011
- 2011-09-02 CN CN2011102583595A patent/CN102320020B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3945275A (en) * | 1974-02-01 | 1976-03-23 | The S-P Manufacturing Corporation | Rotary jaw chuck with stock detector |
| JPH10225845A (en) * | 1997-02-11 | 1998-08-25 | Howa Mach Ltd | Main spindle device for machine tool |
| JP2001259906A (en) * | 2000-03-17 | 2001-09-25 | Toyoda Mach Works Ltd | Tool mounting confirming device |
| CN101432097A (en) * | 2006-04-27 | 2009-05-13 | 系统3R国际股份有限公司 | Clamping apparatus with device for measuring the distance between a chuck and a worktool or workpiece holder |
| CN202192501U (en) * | 2011-09-02 | 2012-04-18 | 浙江日发数码精密机械股份有限公司 | Pneumatic workpiece clamping detector of chuck of machine tool |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102941505A (en) * | 2012-11-21 | 2013-02-27 | 无锡市贝斯特精密机械有限公司 | Movable elastic airtight detecting device |
| CN102941505B (en) * | 2012-11-21 | 2015-07-29 | 无锡贝斯特精机股份有限公司 | Movable spring air tightness detection apparatus |
| CN105636741A (en) * | 2013-10-08 | 2016-06-01 | 富士机械制造株式会社 | Workpiece seating detection device and method for adjusting same |
| CN103752877A (en) * | 2013-12-11 | 2014-04-30 | 山东鲁南机床有限公司 | Precision positioning confirming device for clamping of chuck |
| CN113776816A (en) * | 2021-11-15 | 2021-12-10 | 济宁冠杰数控机床股份有限公司 | Reliability test device for elastic chuck of numerical control machine tool |
| CN113776816B (en) * | 2021-11-15 | 2022-02-22 | 济宁冠杰数控机床股份有限公司 | Reliability test device for elastic chuck of numerical control machine tool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102320020B (en) | 2013-11-13 |
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Address after: 312500 Shaoxing Province, Xinchang province provincial high-tech industrial park, the number of Digital Technology Park Applicant after: Zhejiang Rifa Precision Machinery Co., Ltd. Address before: 312500 Shaoxing Province, Xinchang province provincial high-tech industrial park, the number of Digital Technology Park Applicant before: Zhejiang Rifa Digital Precision Machinery Co., Ltd. |
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Free format text: CORRECT: APPLICANT; FROM: ZHEJIANG RIFA DIGITAL PRECISION MACHINERY CO., LTD. TO: ZHEJIANG RIFA PRECISION MACHINERY CO., LTD. |
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Owner name: ZHEJIANG RIFA AVIATION DIGITAL EQUIPMENT CO., LTD. Free format text: FORMER OWNER: ZHEJIANG RIFA PRECISION MACHINERY CO., LTD. Effective date: 20150113 |
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Effective date of registration: 20150113 Address after: 312500, Zhejiang Xinchang Seven Star Street day digital technology park Patentee after: ZHEJIANG RIFA AVIATION DIGITAL EQUIPMENT CO., LTD. Address before: 312500 Shaoxing Province, Xinchang province provincial high-tech industrial park, the number of Digital Technology Park Patentee before: Zhejiang Rifa Precision Machinery Co., Ltd. |