CN205096570U - Automatic chuck of locking of hydraulic pressure - Google Patents
Automatic chuck of locking of hydraulic pressure Download PDFInfo
- Publication number
- CN205096570U CN205096570U CN201520866584.0U CN201520866584U CN205096570U CN 205096570 U CN205096570 U CN 205096570U CN 201520866584 U CN201520866584 U CN 201520866584U CN 205096570 U CN205096570 U CN 205096570U
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- China
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- hole
- stage body
- pull rod
- chuck
- rod shaft
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Abstract
The utility model relates to a numerical control lathe equipment field specifically is an automatic chuck of locking of hydraulic pressure, has the chuck body, and the cylinder structure is described for comprise the step stage body and disk body to the chuck body, and the stage body is to personally experience sth. Part of the body for open -ended annular column for cavity, one side in inside, the inside cavity threaded connection of stage body has an adjustable mould, and inside the opening of adjustable mould has a toper through -hole, still has a ring flange through screw hole accordant connection in stage body opening side, open on the disk body have one with the inside coaxial shaft hole of arranging of cavity of stage body, the pull rod axle that has closely cooperated in the shaft hole, pull rod position of axle are opened in the one end in disk body shaft hole has a pull rod connecting hole, the pull rod connecting hole is connected with hydraulic system, the pull rod position of axle division has a connecting hole in the one end of ring flange, the utility model discloses think about ingeniously, easy operation is nimble, utilizes the utility model discloses lock the work piece, in the processing work efficiency that by a wide margin promotes the work piece, still improved the product percent of pass, have good application prospect.
Description
Technical field
The utility model relates to numerically controlled lathe apparatus field, specifically the tight chuck of a kind of hydraulic automatic locking.
Background technology
Chuck lathe is used for the mechanical device of clamping work pieces, and traditional chuck clamping mode positions locking by claw to workpiece.When there is between work in-process the Cylindrical workpiece of through hole, such as clutch disk hub, normally first one end of workpiece is placed into chuck inside, then clamped by the other end of claw to workpiece, for ensureing the precision in workpiece process, after Workpiece clamping, also need claw check and correction locking one by one, guarantee that the axial line of workpiece is consistent with chuck interior bone axial line, because said process generally manually completes, labor strength is large, inefficiency, also easily occur that when clamping workpiece correction center portion is accurate simultaneously, affect the yield rate of work pieces process.
Summary of the invention
In order to solve Problems existing in traditional chuck clamping process, the utility model provides the tight chuck of hydraulic automatic locking that a kind of operating efficiency is high, the workpiece locking degree of accuracy is stable.
Concrete scheme of the present utility model is: the tight chuck of a kind of hydraulic automatic locking, there is chuck body, it is characterized in that: chuck body is for form step-like column structure by stage body and disk body, the circular cylindrical body that described stage body is inner is cavity, side is opening, and within one week, be evenly arranged several threaded connection holes along the ring surface of its open side, described disk body has been evenly arranged several fixing holes along one week, described stage body inner cavity surface is provided with screw thread, and the adjustable mold that has been threaded, described adjustable mold inside has a conical through-hole, the diameter of this conical through-hole reduces along stage body open side gradually to stage body cavity bottom, stage body open side is also connected with a ring flange by screwed hole coupling, described disk body has an axis hole coaxially arranged with stage body internal cavities, closely cooperated in axis hole a pull rod shaft, one end of pull rod shaft is successively by stage body internal cavities and flange through hole, and stretch out chuck body, one end that pull rod shaft is positioned at disk body axis hole has a pull bar connecting hole, pull bar connecting hole is connected with hydraulic system, one end that pull rod shaft is positioned at flange through hole has a connecting hole.
Chuck body stage body described in the utility model has several screwed holes in one week along its annular wall, and is connected with holding screw.
Adjustable mold described in the utility model has been evenly arranged several open slots along one week on the ring surface of ring flange one end.
Flange through hole edge in ring flange described in the utility model has convex neck, and the surface of convex neck is provided with anti-slop serrations.
The axis body that pull rod shaft described in the utility model is positioned at stage body internal cavities is set with compression spring.
Compare traditional chuck clamping device, the advantage that the utility model possesses is:
1. improve the operating efficiency of work pieces process.In traditional production technology, a workman often can only operate a chassis bed, in one day, (8 hours) can car workpiece about 100, in the utility model, the powerful pulling force provided by hydraulic system and the positioning action of pull rod shaft, a workman can operate 2-3 chassis bed simultaneously, and in one day, (8 hours) complete car workpiece and can reach more than 800, compare than before, work efficiency improves 7-8 doubly;
2. improve product percent of pass.Processing work is directly sleeved in pull rod shaft, avoids the possibility that human negligence appears in the manual adjustments processing work degree of balance, make product percent of pass improve current 99.9% by original 90%.
Accompanying drawing explanation
Stereogram when Fig. 1 is the utility model unassembled work status;
Sectional view when Fig. 2 is the utility model unassembled work status;
Stereogram when Fig. 3 is the utility model assembling workpiece machining state;
Sectional view when Fig. 4 is the utility model assembling workpiece machining state;
Fig. 5 is the front view that in the utility model, adjustable mold has open slot one side;
Fig. 6 is the front view of ring flange in the utility model;
Fig. 7 is hydraulic system principle figure in the utility model.
In figure, 1-stage body, 2-disk body, 3-cavity, 4-threaded connection hole A, 5-holding screw, 6-fixing hole, 7-is adjustable mold, 8-conical through-hole, 9-open slot, 10-ring flange, 11-soket head cap screw, 12-flange through hole, 13-anti-slop serrations, 14-axis hole, 15-pull rod shaft, 16-pull bar connecting hole, 17-compression spring, 18-threaded connection hole B, 19-workpiece, 20-back-up ring, 21-open washer, 22-expansion screw, 23-fuel tank, 24-vane pump, 25-motor, 26-overflow valve, 27-pressure-reducing valve, 28-Pressure gauge, 29-pressure meter switch, 30-check valve, 31-two-position four-way solenoid valve, 32-hydraulic cylinder, 33-piston, 34-clutch end.
Detailed description of the invention
In the present embodiment, as Fig. 1-Fig. 2, the tight chuck of a kind of hydraulic automatic locking, there is chuck body, chuck body for form step-like column structure by stage body 1 and disk body 2, the circular cylindrical body that stage body is internal cavities 3, side is opening, ring surface along stage body 1 opening side has been evenly arranged six threaded connection hole A4 for one week, within one week, be also evenly arranged four holding screws 5 along its annular wall simultaneously, in addition, disk body 2 be evenly arranged four fixing holes 6. along its periphery
In the present embodiment, as Fig. 1-Fig. 2, Fig. 5-Fig. 6, stage body 1 internal cavities 3 surface is provided with screw thread, and the adjustable mold 7 that has been threaded, described adjustable mold 7 inside has a conical through-hole 8, the diameter of this conical through-hole 8 reduces to stage body 1 cavity 3 gradually along stage body 1 opening side, and adjustable mold 7 has been evenly arranged eight open slots 9 on the ring surface of stage body 1 opening side; In addition, stage body 1 opening side is provided with ring flange 10, ring flange 10 is mated with the threaded connection hole A4 on stage body 1 by soket head cap screw 11 and is connected, flange through hole 12 edge in ring flange 10 has convex neck, and the surface of convex neck is provided with anti-slop serrations 13.
In the present embodiment, as Fig. 1-Fig. 2, disk body 2 has an axis hole 14 coaxially arranged with stage body 1 internal cavities 3, closely cooperated in axis hole 14 pull rod shaft 15, one end of pull rod shaft 15 is successively by stage body 1 internal cavities 3 and flange through hole 12, and stretch out chuck body, one end that pull rod shaft 15 is positioned at disk body 2 axis hole 14 has a pull bar connecting hole 16, pull bar connecting hole 16 is connected with hydraulic system, the axis body that pull rod shaft 15 is positioned at stage body 1 internal cavities 3 is set with compression spring 17, and one end that pull rod shaft 15 is positioned at flange through hole 12 has a threaded connection hole B18.
In the present embodiment, as Fig. 7, hydraulic system comprises fuel tank 23, vane pump 24, motor 25, overflow valve 26, pressure-reducing valve 27, Pressure gauge 28, pressure meter switch 29, check valve 30, two-position four-way solenoid valve 31, hydraulic cylinder 32 and hydraulic oil, hydraulic oil enters conduit under fluid pressure under the effect of motor 25 and vane pump 24, overflow valve 26 control and Pressure gauge 28 detection under, when oil pressure is too high, start pressure-reducing valve 27, ensure that in conduit under fluid pressure, oil pressure maintains in normal range (NR), and enter hydraulic cylinder 32 by check valve 30 and two-position four-way solenoid valve 31, make the piston 33 of hydraulic cylinder 32 inside in push/pull state, during change push/pull state, conversion two-position four-way solenoid valve 31 channel selector, make the piston 33 of hydraulic cylinder 32 inside in drawing/push mode, the clutch end 34 of hydraulic cylinder piston is connected with pull rod shaft 15 by pull bar connecting hole 16.
In the present embodiment, as Fig. 3, Fig. 4 and Fig. 7, workpiece 19 is the middle cone (as clutch disk hub) with through hole, and the side of workpiece 19 has a back-up ring 20, and its auto lock operating procedure is:
The first step: two-position four-way solenoid valve switch 31 state in adjustment hydraulic system, makes hydraulic cylinder internal piston 33 be in " pushing away " state;
Second step: workpiece 19 is closely sleeved in pull rod shaft 15 along the through hole in the middle of it, a part of axis body of pull rod shaft 15 is passed from the through hole of workpiece 19; Meanwhile, promote workpiece 19 compression pressure spring 17, workpiece 19 is fastened in the conical through-hole 8 of adjustable mold 7, until the back-up ring 20 of workpiece 19 is fitted with the anti-slop serrations 13 on ring flange 10;
3rd step: the axis body stretching out workpiece 19 through hole in pull rod shaft 15 is closely set with upper shed packing ring 21, and load expansion screw 22 in threaded connection hole B18 on axis body;
4th step: the on off state changing two-position four-way solenoid valve 31 in hydraulic system, hydraulic cylinder 32 internal piston 33 is made to be in " drawing " state, under the effect of open washer 21 and expansion screw 22, workpiece 19 is adjacent on ring flange 10 by pull rod shaft 15 further, tighten the holding screw 5 in stage body 1 annular wall simultaneously, make adjustable mold 7 pairs of workpiece 19 further " locking ", the locking force of chuck to workpiece 19 is reached the requirement of lathe process;
5th step: after workpiece 19 machines on lathe, the on off state of two-position four-way solenoid valve 31 in regulator solution pressing system, hydraulic cylinder 32 internal piston 33 is made to come back to " pushing away " state, remove chuck to " locking " state of workpiece 19, unload expansion screw 22 and open washer 21 simultaneously, under the effect of compression spring 17, from adjustable mold 7, take out the workpiece 19 machined, and again load upper new workpiece to be processed 19.
In above-mentioned steps two, as Fig. 3, Fig. 4 and Fig. 6, if due to error or the change of workpiece 19 own dimensions, the back-up ring 20 of workpiece 19 cannot be fitted with the anti-slop serrations 13 on ring flange 10, now, need the position of the adjustable mold 7 of manual adjustments in stage body 1 cavity 3, guarantee that the back-up ring 20 of workpiece 19 is fitted with the anti-slop serrations 13 on ring flange 10.
In above-mentioned steps four, as Fig. 3-Fig. 5, under the pulling force effect of hydraulic system, workpiece 19 is adjacent to further on ring flange 10 under the effect of pull rod shaft 15, now, workpiece 19 can form further extruding to adjustable mold 7, and adjustable mold 7 conical through-hole 8 is changed towards the diameter of stage body 1 opening side, but because adjustable mold 7 has open slot 9 on the ring surface of stage body opening side, thus meet the requirement that deformation occurs adjustable tire 7 tool conical through-hole 8.
Claims (5)
1. the tight chuck of hydraulic automatic locking, there is chuck body, it is characterized in that: chuck body is for form step-like column structure by stage body and disk body, the circular cylindrical body that described stage body is inner is cavity, side is opening, and within one week, be evenly arranged several threaded connection holes along the ring surface of its open side, described disk body has been evenly arranged several fixing holes along one week, described stage body inner cavity surface is provided with screw thread, and the adjustable mold that has been threaded, described adjustable mold inside has a conical through-hole, the diameter of this conical through-hole reduces along stage body open side gradually to stage body cavity bottom, stage body open side is also connected with a ring flange by screwed hole coupling, described disk body has an axis hole coaxially arranged with stage body internal cavities, closely cooperated in axis hole a pull rod shaft, one end of pull rod shaft is successively by stage body internal cavities and flange through hole, and stretch out chuck body, one end that pull rod shaft is positioned at disk body axis hole has a pull bar connecting hole, pull bar connecting hole is connected with hydraulic system, one end that pull rod shaft is positioned at flange through hole has a connecting hole.
2. the tight chuck of a kind of hydraulic automatic locking according to claim 1, is characterized in that: described chuck body stage body has several screwed holes in one week along its annular wall, and is connected with holding screw.
3. the tight chuck of a kind of hydraulic automatic locking according to claim 1, is characterized in that: described adjustable mold has been evenly arranged several open slots along one week on the ring surface of ring flange one end.
4. the tight chuck of a kind of hydraulic automatic locking according to claim 1, is characterized in that: the flange through hole edge in described ring flange has convex neck, and the surface of convex neck is provided with anti-slop serrations.
5. the tight chuck of a kind of hydraulic automatic locking according to claim 1, is characterized in that: the axis body that described pull rod shaft is positioned at stage body internal cavities is set with compression spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520866584.0U CN205096570U (en) | 2015-11-03 | 2015-11-03 | Automatic chuck of locking of hydraulic pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520866584.0U CN205096570U (en) | 2015-11-03 | 2015-11-03 | Automatic chuck of locking of hydraulic pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205096570U true CN205096570U (en) | 2016-03-23 |
Family
ID=55512381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520866584.0U Expired - Fee Related CN205096570U (en) | 2015-11-03 | 2015-11-03 | Automatic chuck of locking of hydraulic pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205096570U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105195770A (en) * | 2015-11-03 | 2015-12-30 | 黄石市中天机械制造有限责任公司 | Hydraulic automatic locking chuck |
| CN108045561A (en) * | 2017-12-04 | 2018-05-18 | 惠阳航空螺旋桨有限责任公司 | A kind of blade pitch pulling sleeve support plate component |
-
2015
- 2015-11-03 CN CN201520866584.0U patent/CN205096570U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105195770A (en) * | 2015-11-03 | 2015-12-30 | 黄石市中天机械制造有限责任公司 | Hydraulic automatic locking chuck |
| CN108045561A (en) * | 2017-12-04 | 2018-05-18 | 惠阳航空螺旋桨有限责任公司 | A kind of blade pitch pulling sleeve support plate component |
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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: 20160323 Termination date: 20211103 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |