CN204545450U - Link radial retaining mechanism - Google Patents
Link radial retaining mechanism Download PDFInfo
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- CN204545450U CN204545450U CN201520258199.8U CN201520258199U CN204545450U CN 204545450 U CN204545450 U CN 204545450U CN 201520258199 U CN201520258199 U CN 201520258199U CN 204545450 U CN204545450 U CN 204545450U
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- piston rod
- ring flange
- hydraulic cylinder
- retaining mechanism
- latch segment
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Abstract
The utility model discloses the radial retaining mechanism of a kind of interlock, comprise hydraulic cylinder and be arranged on the piston rod in hydraulic cylinder; Disc spring group is housed between hydraulic cylinder and plunger, and piston rod front portion is passed latch segment and fixes with latch segment, and the oil transportation mouth that piston rod part has is communicated with inlet connector.The radial retaining mechanism of interlock described in the utility model, when the sleeve internal clearance cooperating that axial workpiece is arranged on below supporter, axial workpiece can be clamped by disc spring group tension force by retaining mechanism, further fixing spacing, make the assembly work of axial workpiece in sleeve, there is higher precision in the radial direction, better can avoid the radial impact in axial workpiece internal bearings rotary course, cause axial workpiece with the gouging abrasion between sleeve, reach the long-time standard ensureing circular runout precision.
Description
Technical field
The utility model relates to a kind of device of being locked by disc spring group tension control mechanism, being unclamped by hydraulic control.
Background technology
At present, in automotive automation production line field, main frame process equipment often can be tackled heavily loaded axial workpiece and be supported and the operating mode of high speed axial-rotation by two ends, and general main motion support end is machine tool chief axis, and unpowered support end is tailstock tool.For guaranteeing the circular runout required precision that heavily loaded axial workpiece rotates, very high to the circular runout required precision of support end.Machine tool chief axis generally holds by large aperture, high rigidity shaft the circular runout precision that can ensure over a long time that to be rigidly connected with main spindle box, and tailstock is cost-saving, and the bearing usually selecting small-bore, rigidity relatively low is installed on tailstock casing by axle sleeve.Under heavily loaded High Rotation Speed operating mode, there will be the periodically micro-collision and occur contact surface abrasion situation of axle sleeve and tailstock casing, circular runout precision is difficult to long-term maintenance.Current at a high speed, heavy duty rotates operating mode, add supplemental support again in the middle of usually supporting two, reduce load to the active force of tailstock, but cannot from the basic micro-gouging abrasion problem of periodicity solving axle sleeve and tailstock body.Main frame process equipment runs a period of time, just needs maintenance, again tailstock body and axle sleeve is coordinated, Adjustment precision, strengthens machine tool maintenance cost, delays manufacturing schedule simultaneously.
Summary of the invention
The utility model is for the proposition of above problem, and the radial retaining mechanism of research and design one interlock, a period of time is run in order to solve existing main frame process equipment, there will be the periodically micro-collision and occur contact surface abrasion situation of axle sleeve and tailstock casing, circular runout precision is difficult to long-term maintenance, just needs maintenance, again tailstock body and axle sleeve are coordinated, Adjustment precision, strengthens machine tool maintenance cost, delays the shortcoming of manufacturing schedule.The technological means that the utility model adopts is as follows:
The radial retaining mechanism of a kind of interlock, comprises hydraulic cylinder and is arranged on the piston rod in hydraulic cylinder, disc spring group is housed between hydraulic cylinder and plunger, piston rod is made to have a disc spring elastic force of retracting in hydraulic cylinder, piston rod front portion is passed latch segment and fixes with latch segment, make hydraulic cylinder and latch segment by piston rod to running through connection, the oil transportation mouth that piston rod part has is communicated with inlet connector, make the hydraulic oil that inlet connector is input into, can be delivered in the hydraulic fluid chamber of hydraulic cylinder by piston rod inner hollow oil transportation channel, the same side external surface of hydraulic cylinder and latch segment is processed with circular arc camber I and circular arc camber II respectively, circular arc camber I and circular arc camber II have the same center of circle and identical diameter, make circular arc camber I and circular arc camber II can coordinate clamping axial workpiece.
As being provided with left locking ring flange bottom preferred hydraulic cylinder, the inner one end of left locking ring flange is provided with the shutoff with left locking ring flange matched in clearance, make hydraulic cylinder inner chamber, left locking ring flange, between shutoff and piston rod, form hydraulic fluid chamber, the other end is provided with lock shaft, and lock shaft outside is provided with for closing fixing ring flange.
As preferred latch segment outside, hydraulic fluid port ring flange is installed, one end of hydraulic fluid port ring flange is enclosed within piston rod front end, the other end is connected with inlet connector, makes the hydraulic oil that inlet connector is input into, and can be delivered in the oil transportation mouth of piston rod hollow oil transportation channel by airtight hydraulic fluid port ring flange space.
As the supporter be provided with outside preferred hydraulic cylinder, piston rod and latch segment for supporting, the sleeve internal clearance that axial workpiece is arranged on below supporter coordinates.
Fixed with latch segment by right locking ring flange as preferred piston rod front end, right locking ring flange is arranged on inside latch segment, and is fixed by bolt tightening, and piston rod front end is connected and fixed with right locking ring flange inner thread.
Curved surface diameter dimension as preferred axial workpiece is identical with the curved surface diameter dimension of circular arc camber II with circular arc camber I.
Dust ring is sealed with as between preferred lock shaft and ring flange; The sealing ring IV for preventing hydraulic oil from leaking outside is provided with between hydraulic cylinder and left locking ring flange; The sealing ring V for preventing hydraulic oil from leaking outside is provided with between shutoff and left locking ring flange.
As preferred hydraulic fluid port ring flange with being sealed with sealing ring I between piston rod; Hydraulic fluid port ring flange is with being sealed with sealing ring III between supporter.
As preferred piston rod rearward end with the sealing ring II be provided with between hydraulic cylinder inwall for preventing hydraulic oil from leaking outside.
Compared with the prior art, the radial retaining mechanism of interlock described in the utility model has the following advantages:
1, the radial retaining mechanism of interlock described in the utility model, the same side external surface of hydraulic cylinder and latch segment is processed with circular arc camber I and circular arc camber II respectively, circular arc camber I and circular arc camber II have the same center of circle and identical diameter, make circular arc camber I and circular arc camber II can coordinate clamping axial workpiece, described hydraulic cylinder and latch segment are linked needed for radial locking by disc spring group tension force and lock axial workpiece, realize mechanism's locking function, hydraulic cylinder and latch segment lead to oil by inlet connector to piston rod, required locking axial workpiece is unclamped by oil pressure interlock radial direction, realize organization hydraulic pressure release function, when the sleeve internal clearance cooperating that axial workpiece is arranged on below supporter, axial workpiece can be clamped by disc spring group tension force by retaining mechanism, further fixing spacing, make the assembly work of axial workpiece in sleeve, there is higher precision in the radial direction, better can avoid the radial impact in axial workpiece internal bearings rotary course, cause axial workpiece with the gouging abrasion between sleeve, reach the long-time standard ensureing circular runout precision.
2, the radial retaining mechanism of interlock described in the utility model, is sealed with dust ring between lock shaft and ring flange, and guarantee that lock shaft enters with free from dust between ring flange, in retaining mechanism matched in clearance, dust ring has been equipped with at place, prevents dust from entering retaining mechanism.
3, the radial retaining mechanism of interlock described in the utility model, hydraulic fluid port ring flange, with being sealed with sealing ring I between piston rod, can be good at guaranteeing that the hydraulic oil that inlet connector is carried in the oil transportation mouth of piston rod can not leak outside in the process through hydraulic fluid port ring flange.
4, the radial retaining mechanism of interlock described in the utility model, the coupling mechanism force of retaining mechanism can be screwed into the degree of depth by adjustment lock shaft and right locking ring flange, and the fixed position of the relative latch segment in piston rod front end realizes, locked in ring flange left by control lock shaft and be screwed into, make lock shaft promote shutoff to move to piston rod direction, and then it is protruding to promote piston rod, disc spring group is compressed, make right locking ring flange be screwed in latch segment again, make retaining mechanism strengthen clamping the locking of axial workpiece.
Accompanying drawing explanation
Fig. 1 is the main frame process equipment right view being provided with the radial retaining mechanism that links.
Fig. 2 is the main frame process equipment sectional view (the A-A sectional view of Fig. 1, in figure, namely I position links radial retaining mechanism installation site) being provided with the radial retaining mechanism that links.
Fig. 3 is the main frame process equipment structural representation (in figure I position namely link radial retaining mechanism installation site) being provided with the radial retaining mechanism that links.
Fig. 4 is amplification view of the present utility model.
Wherein: 1, hydraulic cylinder, 2, piston rod, 3, latch segment, 4, right locking ring flange, 5, sealing ring I, 6, hydraulic fluid port ring flange, 7, inlet connector, 8, disc spring group, 9, shutoff, 10, left locking ring flange, 11, lock shaft, 12, ring flange, 13, dust ring, 14, supporter, 15, circular arc camber I, 16, circular arc camber II, 17, axial workpiece, 18, sealing ring II, 19, sealing ring III, 20, sealing ring IV, 21, sealing ring V.
Detailed description of the invention
As Figure 1-Figure 4, the radial retaining mechanism of a kind of interlock, the piston rod 2 comprising hydraulic cylinder 1 and be arranged in hydraulic cylinder 1, described piston rod 2 is hollow piston rod, the hollow axis hole of hollow piston rod is as oil transportation channel, between hydraulic cylinder 1 and piston rod 2 cavity, disc spring group 8 is housed, piston rod 2 is made to have a disc spring elastic force of retracting in hydraulic cylinder 1, piston rod 2 front portion is passed latch segment 3 and is fixed with latch segment 3, hydraulic cylinder 1 and latch segment 3 is made axially to run through connection by piston rod 2, the oil transportation mouth that piston rod 2 top has is communicated with inlet connector 7, make the hydraulic oil that inlet connector 7 is input into, can be delivered in the hydraulic fluid chamber of hydraulic cylinder 1 by piston rod 2 inner hollow oil transportation channel, the same side external surface of hydraulic cylinder 1 and latch segment 3 is processed with circular arc camber I 15 and circular arc camber II 16 respectively, circular arc camber I 15 and circular arc camber II 16 have the same center of circle and identical diameter, make circular arc camber I 15 and circular arc camber II 16 can coordinate clamping axial workpiece 17, described hydraulic cylinder 1 and latch segment 3 are linked needed for radial locking by disc spring group 8 tension force and lock axial workpiece 17, realize mechanism's locking function, hydraulic cylinder 1 and latch segment 3 give piston rod 2 logical oil by inlet connector 7, required locking axial workpiece 17 is unclamped by oil pressure interlock radial direction, realize organization hydraulic pressure release function.
Left locking ring flange 10 is installed bottom hydraulic cylinder 1, left locking ring flange 10 is threaded fixing with hydraulic cylinder 1, left inner one end of locking ring flange 10 is provided with the shutoff 9 with left locking ring flange 10 matched in clearance, make hydraulic cylinder 1 inner chamber, left locking ring flange 10, hydraulic fluid chamber is formed between shutoff 9 and piston rod 2, the other end is provided with lock shaft 11, lock shaft 11 is threaded with left locking ring flange 10, lock shaft 11 outside is provided with for closing fixing ring flange 12, piston rod 2 front end is fixed with latch segment 3 by right locking ring flange 4, right locking ring flange 4 is arranged on inside latch segment 3, and fixed by bolt tightening, piston rod 2 front end is connected and fixed with right locking ring flange 4 inner thread, the coupling mechanism force of retaining mechanism can be screwed into the degree of depth by adjustment lock shaft 11 and right locking ring flange 4, and the fixed position of the relative latch segment 3 in piston rod 2 front end realizes, locked left in ring flange 10 by control lock shaft and be screwed into, make lock shaft 11 promote shutoff 9 to move to piston rod 2 direction, and then it is protruding to promote piston rod 2, disc spring group 8 is compressed, right locking ring flange 4 is made to be screwed in latch segment 3 again, retaining mechanism is made to strengthen clamping the locking of axial workpiece 17.
Latch segment 3 outside is provided with hydraulic fluid port ring flange 6, one end of hydraulic fluid port ring flange 6 is enclosed within piston rod 2 front end, the other end is connected with inlet connector 7, makes the hydraulic oil that inlet connector 7 is input into, and can be delivered in the oil transportation mouth of piston rod 2 hollow oil transportation channel by airtight hydraulic fluid port ring flange 6 space.
Supporter 14 for supporting is installed outside hydraulic cylinder 1, piston rod 2 and latch segment 3, the sleeve internal clearance that axial workpiece 17 is arranged on below supporter 14 coordinates, rotate in sleeve when axial workpiece 17 works below supporter 14, the two ends of supporter 14 are encapsulated by hydraulic fluid port ring flange 6 and ring flange 12, hydraulic fluid port ring flange 6 and ring flange 12 are bolted with supporter 14, and link radial retaining mechanism and required clamping axial workpiece 17 criss-cross fashion are assemblied in same supporter 14.
The curved surface diameter dimension of axial workpiece 17 is identical with the curved surface diameter dimension of circular arc camber II 16 with circular arc camber I 15.
Be sealed with dust ring 13 between lock shaft 11 and ring flange 12, guarantee that lock shaft 11 enters with free from dust between ring flange 12, between hydraulic cylinder 1 and left locking ring flange 10, being provided with the sealing ring IV 20 for preventing hydraulic oil from leaking outside; The sealing ring V 21 for preventing hydraulic oil from leaking outside is provided with between shutoff 9 and left locking ring flange 10.
Hydraulic fluid port ring flange 6 is sealed with sealing ring I 5 with between piston rod 2, can be good at guaranteeing that the hydraulic oil that inlet connector 7 is carried in the oil transportation mouth of piston rod 2 can not leak outside in the process through hydraulic fluid port ring flange 6; Hydraulic fluid port ring flange 6 is sealed with sealing ring III 19 with between supporter 14; Piston rod 2 rearward end is with the sealing ring II 18 be provided with between hydraulic cylinder 1 inwall for preventing hydraulic oil from leaking outside, sealing ring I 5, sealing ring II 18, sealing ring III 19, sealing ring IV 20 and the sealing ring V 21 installed in the radial retaining mechanism of interlock is made to form tight sealing ring group, can be good at anti-locking mechanism leakage of oil, improve institution staff performance and reliability of operation.
When the equipment work of the radial retaining mechanism that links is installed, when needs clamp axial workpiece 17 time, circular arc camber I 15 on hydraulic cylinder 1 and latch segment 3 and circular arc camber II 16 can coordinate clamping axial workpiece 17, under the tension force effect of disc spring group 8, while promoting hydraulic cylinder 1 advance, piston rod 2 drives latch segment 3 together to return, and realizes axial workpiece 17 radial clamp position linkage locking function.
When needing to unclamp the axial workpiece 17 of clamping, in the hydraulic fluid chamber of hydraulic cylinder 1, hydraulic oil is passed into by the hollow axis hole of piston rod 2, while promoting hydraulic cylinder 1 retrogressing, promoting piston rod 2 drives latch segment 3 together to stretch out, and realizes axial workpiece 17 radial clamp position interlock release function.
The above; be only the utility model preferably detailed description of the invention; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; be equal to according to the technical solution of the utility model and inventive concept thereof and replace or change, all should be encompassed within protection domain of the present utility model.
Claims (9)
1. link a radial retaining mechanism, comprises hydraulic cylinder (1) and be arranged on the piston rod (2) in hydraulic cylinder (1); it is characterized in that: disc spring group (8) is housed between hydraulic cylinder (1) and piston rod (2) cavity, piston rod (2) is made to have a disc spring elastic force of retracting in hydraulic cylinder (1), piston rod (2) front portion is through latch segment (3) and same latch segment (3) is fixing, hydraulic cylinder (1) and latch segment (3) is made axially to run through connection by piston rod (2), the same inlet connector of oil transportation mouth (7) that piston rod (2) top has is communicated with, make the hydraulic oil that inlet connector (7) is input into, can be delivered in the hydraulic fluid chamber of hydraulic cylinder (1) by piston rod (2) inner hollow oil transportation channel, the same side external surface of hydraulic cylinder (1) and latch segment (3) is processed with circular arc camber I (15) and circular arc camber II (16) respectively, circular arc camber I (15) has the same center of circle and identical diameter with circular arc camber II (16), make circular arc camber I (15) and circular arc camber II (16) that clamping axial workpiece (17) can be coordinated.
2. the radial retaining mechanism of interlock according to claim 1, it is characterized in that: hydraulic cylinder (1) bottom is provided with left locking ring flange (10), the inner one end of left locking ring flange (10) is provided with the shutoff (9) with left locking ring flange (10) matched in clearance, make hydraulic cylinder (1) inner chamber, left locking ring flange (10), between shutoff (9) and piston rod (2), form hydraulic fluid chamber, the other end is provided with lock shaft (11), and lock shaft (11) outside is provided with for closing fixing ring flange (12).
3. the radial retaining mechanism of interlock according to claim 1 and 2, it is characterized in that: latch segment (3) outside is provided with hydraulic fluid port ring flange (6), one end of hydraulic fluid port ring flange (6) is enclosed within piston rod (2) front end, the other end is connected with inlet connector (7), make the hydraulic oil that inlet connector (7) is input into, can be delivered in the oil transportation mouth of piston rod (2) hollow oil transportation channel by airtight hydraulic fluid port ring flange (6) space.
4. the radial retaining mechanism of interlock according to claim 3, it is characterized in that: hydraulic cylinder (1), piston rod (2) and latch segment (3) outside is provided with the supporter (14) for supporting, the sleeve internal clearance that axial workpiece (17) is arranged on supporter (14) below coordinates.
5. the radial retaining mechanism of interlock according to claim 1 and 2, it is characterized in that: piston rod (2) front end is fixed by the same latch segment of right locking ring flange (4) (3), right locking ring flange (4) is arranged on latch segment (3) inner side, and fixed by bolt tightening, piston rod (2) front end is connected and fixed with right locking ring flange (4) inner thread.
6. the radial retaining mechanism of interlock according to claim 1 and 2, is characterized in that: the curved surface diameter dimension of axial workpiece (17) is identical with the curved surface diameter dimension of circular arc camber II (16) with circular arc camber I (15).
7. the radial retaining mechanism of interlock according to claim 2, is characterized in that: be sealed with dust ring (13) between lock shaft (11) and ring flange (12); The sealing ring IV (20) for preventing hydraulic oil from leaking outside is provided with between hydraulic cylinder (1) and left locking ring flange (10); The sealing ring V (21) for preventing hydraulic oil from leaking outside is provided with between shutoff (9) and left locking ring flange (10).
8. the radial retaining mechanism of interlock according to claim 3, is characterized in that: be sealed with sealing ring I (5) between hydraulic fluid port ring flange (6) same to piston rod (2); Sealing ring III (19) is sealed with between hydraulic fluid port ring flange (6) same to supporter (14).
9. the radial retaining mechanism of interlock according to claim 1 and 2, is characterized in that: be provided with the sealing ring II (18) for preventing hydraulic oil from leaking outside between piston rod (2) rearward end same hydraulic cylinder (1) inwall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520258199.8U CN204545450U (en) | 2015-04-24 | 2015-04-24 | Link radial retaining mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520258199.8U CN204545450U (en) | 2015-04-24 | 2015-04-24 | Link radial retaining mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204545450U true CN204545450U (en) | 2015-08-12 |
Family
ID=53820615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520258199.8U Active CN204545450U (en) | 2015-04-24 | 2015-04-24 | Link radial retaining mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204545450U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106112023A (en) * | 2016-05-10 | 2016-11-16 | 宁夏新瑞长城机床有限公司 | Tailstock locking device |
| CN106424773A (en) * | 2016-12-14 | 2017-02-22 | 济南第机床有限公司 | Rotating and telescopic sub-spindle device with tight break |
-
2015
- 2015-04-24 CN CN201520258199.8U patent/CN204545450U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106112023A (en) * | 2016-05-10 | 2016-11-16 | 宁夏新瑞长城机床有限公司 | Tailstock locking device |
| CN106424773A (en) * | 2016-12-14 | 2017-02-22 | 济南第机床有限公司 | Rotating and telescopic sub-spindle device with tight break |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |