CN211249091U - Device for grinding seal groove of foundation ring - Google Patents
Device for grinding seal groove of foundation ring Download PDFInfo
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- CN211249091U CN211249091U CN201921856731.0U CN201921856731U CN211249091U CN 211249091 U CN211249091 U CN 211249091U CN 201921856731 U CN201921856731 U CN 201921856731U CN 211249091 U CN211249091 U CN 211249091U
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Abstract
The utility model relates to a work piece processing field discloses a device for coping basic ring seal groove, and it includes that the magnetic drill is bored and is installed the groove cutter device of repairing on the magnetic drill, and wherein the groove cutter device of repairing includes the guide post, and the device still includes central line adjusting device, and central line adjusting device is including being used for fixed mounting to treat the mounting on the machined part, install aligning sleeve and uide bushing on the mounting, and the uide bushing is used for making guide post axis and basic ring seal groove axis coincidence with the guide post cooperation. The fixing part is a stud, external threads are formed in the outer portion of the stud and used for being in threaded fit with a workpiece to be machined, a first flange plate is arranged at one end of the stud, an axial installation through hole is formed in the middle of the stud, the aligning sleeve is inserted in the installation through hole and fixedly connected with the first flange plate, and the guide sleeve is inserted in the aligning sleeve. The device solves the difficult problem of grinding and processing the on-site sealing groove of the power station, is convenient to disassemble and assemble, convenient to manufacture, low in cost, suitable for various operation occasions and high in universality.
Description
Technical Field
The utility model relates to a work piece field of restoreing has especially related to a device for coping foundation ring seal groove.
Background
At present, after the seat ring of the large vertical water turbine generator set is machined and disassembled in a factory, the seat ring is transported to a field assembling circle in a split mode for splicing welding, and then the installation precision of the seat ring is guaranteed through field integral machining.
The Chinese patent publication No. CN103231103A discloses a cutter for machining a sealing groove of a valve seat, the cutter has a simple structure, the procedures of correcting the center are reduced, the machining precision is high, the consistency of the sizes of machined parts is good, and the working efficiency is improved by 2-6 times. However, the cutter is designed mainly for quick machining in a valve seat sealing groove factory, is not suitable for a power station field based on good machining equipment in the factory, is only suitable for the condition that a center hole is concentric with a sealing groove, cannot be machined due to eccentricity, and is relatively complex in structure and not strong in universality.
The chinese utility model patent CN202752670U discloses a special machine for milling a sealing groove, which comprises a bed body with the lower end playing a supporting role, and further comprises a numerical control system and a tool rest assembly which are positioned at the upper end of the bed body, wherein the numerical control system comprises a central processing unit, a memory, a display control unit, an input unit and an output unit; the tool rest assembly comprises a plurality of power heads and a milling cutter formed at the lower end of each power head; and the numerical control system is connected with the tool rest assembly and controls the power head to control the milling cutter. The utility model discloses a numerical control system for the high-speed high-accuracy high-efficient of lathe improves greatly, simultaneously, the utility model discloses a many unit heads mill simultaneously, are showing and are improving work piece machining efficiency. But because of the structural limitation, the device is only suitable for certain operation occasions, especially obviously unsuitable in a machine pit on the site of a power station, has larger limitation and has complex structure.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to current processingequipment can not be applicable to the field machining, relatively poor to neutrality moreover, seal groove processing is inconvenient, and the suitability is poor, in order to solve above-mentioned technical problem, provides a device that is used for coping foundation ring seal groove that easy dismounting, simple structure, suitability are stronger.
In order to solve the technical problem, the utility model discloses a following technical scheme can solve:
the utility model provides a device for coping basic ring seal groove, including the magnetic drill that is used for processing basic ring seal groove with install the groove cutter of repairing on the magnetic drill, the groove cutter includes the guide post, still includes central line adjusting device, central line adjusting device is used for the central line coincidence with guide post and basic ring seal groove, central line adjusting device is including being used for fixed mounting to treat the mounting on the machined part, install aligning cover and uide bushing on the mounting, the uide bushing is used for making guide post axis and basic ring seal groove axis coincidence with the guide post cooperation. The central line adjusting device can ensure that the central line of the guide post of the magnetic drill is superposed with the central line of the annular groove, so that the correct processing of the annular groove can be ensured, and the central line adjusting device can be adapted to different workpieces to be processed as required.
Preferably, the fixing part is a stud, external threads are formed in the outer portion of the stud and used for being in threaded fit with a workpiece to be machined, a first flange plate is arranged at one end of the stud, an axial installation through hole is formed in the middle of the stud, the aligning sleeve is inserted into the installation through hole and fixedly connected with the first flange plate, and the guide sleeve is inserted into the aligning sleeve. The outer diameter of the stud can be selected from studs with different sizes according to actual occasions so as to adapt to different workpieces to be machined.
Preferably, the flange plate is provided with a first threaded hole, the aligning sleeve is provided with a second flange plate, the second flange plate is provided with a mounting hole, the aperture of the mounting hole is larger than that of the first threaded hole, and the aligning sleeve and the fixing piece penetrate through the mounting hole through screws to be matched and fixed with the first threaded hole.
Preferably, the outer diameter of the aligning sleeve is smaller than the inner diameter of the mounting through hole. The design of this kind of structure can give the certain adjustment space of aligning cover to be convenient for adjust guide post and ring channel central line coincidence.
Preferably, the middle part of the aligning sleeve is penetrated with an axial matching hole, and the guide sleeve is inserted in the matching hole in an interference manner.
Preferably, the guide sleeve is a copper sleeve.
The utility model discloses owing to adopted above technical scheme, have following apparent technological effect: the device can the not unidimensional machined part of treating of adaptation, has the centering function moreover, can the adaptation treat the problem that machined part screw hole and ring channel central line do not coincide, and the suitability is stronger, and processing is convenient moreover, assembles simply, is fit for the field usage.
Drawings
Fig. 1 is a schematic view of the overall structure of the apparatus.
Fig. 2 is a schematic structural diagram of the aligning sleeve.
Fig. 3 is a schematic view of the structure of the fixing member.
Fig. 4 is a schematic structural view of the guide sleeve.
The names of the parts indicated by the numerical references in the drawings are as follows: 1-magnetic drill, 2-foundation ring seal groove, 3-guide post, 4-mounting, 5-aligning sleeve, 6-guide sleeve, 7-stud, 8-first flange, 9-first threaded hole, 10-second flange, 11-mounting hole, 12-mounting through hole, 14-mating hole, 15-cutter.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
As shown in fig. 1 to 4, a device for grinding a sealing groove of a basic ring comprises a magnetic drill 1 for processing a sealing groove 2 of the basic ring and a groove repairing tool installed on the magnetic drill 1, wherein the groove repairing tool comprises a guide post 3 and a center line adjusting device, the center line adjusting device is used for enabling the guide post 3 to coincide with the center line of the sealing groove 2 of the basic ring, the center line adjusting device comprises a fixing part 4 fixedly installed on a workpiece to be machined, a centering sleeve 5 and a guide sleeve 6 installed on the fixing part 4, and the guide sleeve 6 is used for enabling the axis of the guide post 3 to coincide with the axis of the sealing groove 2 of the basic ring by being matched with the guide post 3. The central line adjusting device can ensure that the central line of the guide post 3 of the magnetic drill 1 coincides with the central line of the annular groove, so that the correct processing of the annular groove can be ensured, and the central line adjusting device can adapt to different workpieces to be processed as required.
For clearly expressing the technical scheme of the embodiment, in the embodiment, the fixing member 4 is a stud 7, external threads are formed on the outer portion of the stud 7 and used for being in threaded fit with a workpiece to be machined, a first flange 8 is arranged at one end of the stud 7, an axial installation through hole 12 is formed in the middle of the stud 7, the aligning sleeve 5 is inserted into the installation through hole 12 and fixedly connected with the first flange 8, and the guide sleeve 6 is inserted into the aligning sleeve 5. The outer diameter of the stud 7 can be selected from studs 7 with different sizes according to actual occasions so as to adapt to different workpieces to be machined.
In order to facilitate the installation and fixation of the aligning sleeve 5 and the fixing member 4, a first threaded hole 9 is formed in the flange plate in the embodiment, a second flange plate 10 is arranged on the aligning sleeve 5, a mounting hole 11 is formed in the second flange plate 10, the aperture of the mounting hole 11 is larger than that of the first threaded hole 9, and the aligning sleeve 5 and the fixing member 4 are fixed in a matched mode through the mounting hole 11 and the first threaded hole 9 through screws.
In order to enable the aligning sleeve 5 to have the aligning function, the outer diameter of the aligning sleeve 5 in the embodiment is smaller than the inner diameter of the installation through hole 12, so that an adjustment gap exists between the outer wall of the aligning sleeve 5 and the installation through hole 12, and different requirements of workpieces to be processed are met.
An axial matching hole 14 penetrates through the middle part of the aligning sleeve 5, and the guide sleeve 6 is inserted in the matching hole 14 in an interference mode. Wherein the uide bushing 6 in this embodiment is the copper sheathing, and the advantage of copper sheathing lies in that copper ground is softer, can prevent to appear the jamming phenomenon between guide post 3 and the uide bushing 6, can protect guide post 3, and the copper sheathing is more convenient among the interference fit moreover, does not need other processing technology, uses the assembling process to have great advantage at the scene.
The device's use as follows, with double-screw bolt 7 fixed mounting in the screw hole of basic ring, then processing cutter 15 installs to magnetic drill 1, adjustment magnetic drill 1 is to suitable position, then according to the position of seal groove size adjustment cutter arbor, the axis synteny of guide post 3 and seal groove this moment, 6 interference fit of uide bushing is in aligning cover 5, then place aligning cover 5 in the installation through-hole 12 of mounting 4, thereby adjust the position of aligning cover 5 in installation through-hole 12 with the cooperation of uide post 3 and uide bushing 6, then fix aligning cover 5 through first ring flange 8 and second ring flange 10, then process basic ring seal groove 2. The device can the not unidimensional machined part of treating of adaptation, has the centering function moreover, can the adaptation treat the problem that machined part screw hole and ring channel central line do not coincide, and the suitability is stronger, and processing is convenient moreover, assembles simply, is fit for the field usage.
Example 2
The present embodiment is different from embodiment 1 in that the number of screw holes is the same as that of the mounting holes 11, and the number of screw holes is 8.
Example 3
The present embodiment is different from embodiment 1 in that the mounting holes 11 are circular holes and threaded holes arranged coaxially.
In short, the above description is only a preferred embodiment of the present invention, and all the equivalent changes and modifications made in accordance with the claims of the present invention should be covered by the scope of the present invention.
Claims (6)
1. The utility model provides a device for coping basic ring seal groove which characterized in that: including magnetic drill seat (1) that is used for processing basic ring seal groove (2) and install the groove cutter of repairing on magnetic drill seat (1), the groove cutter of repairing includes guide post (3), still include central line adjusting device, central line adjusting device is used for the central line coincidence with guide post (3) and basic ring seal groove (2), central line adjusting device is including being used for fixed mounting fixing (4) on treating the machined part, install aligning cover (5) and uide bushing (6) on fixing (4), uide bushing (6) are used for making guide post (3) axis and basic ring seal groove (2) axis coincidence with guide post (3) cooperation.
2. The apparatus of claim 1, wherein: fixing piece (4) are double-screw bolt (7), and the external screw thread has been seted up in the outside of double-screw bolt (7) and is used for treating machined part screw-thread fit, and the one end of double-screw bolt (7) is provided with first ring flange (8), and axial installation through-hole (12) have been seted up at the middle part of double-screw bolt (7), and aligning cover (5) are pegged graft in installation through-hole (12) and with first ring flange (8) fixed connection, and uide bushing (6) are pegged graft in aligning cover (5).
3. The apparatus of claim 1, wherein: first screw hole (9) have been seted up on the ring flange, be provided with second ring flange (10) on aligning cover (5), seted up mounting hole (11) on second ring flange (10), the aperture of mounting hole (11) is greater than the aperture of first screw hole (9), aligning cover (5) and mounting (4) pass mounting hole (11) through the screw and are fixed with first screw hole (9) cooperation.
4. The apparatus of claim 3, wherein: the outer diameter of the aligning sleeve (5) is smaller than the inner diameter of the mounting through hole (12).
5. The apparatus of claim 4, wherein: an axial matching hole (14) penetrates through the middle part of the aligning sleeve (5), and the guide sleeve (6) is inserted in the matching hole (14) in an interference mode.
6. The apparatus of claim 1, wherein: the guide sleeve (6) is a copper sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921856731.0U CN211249091U (en) | 2019-10-31 | 2019-10-31 | Device for grinding seal groove of foundation ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921856731.0U CN211249091U (en) | 2019-10-31 | 2019-10-31 | Device for grinding seal groove of foundation ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211249091U true CN211249091U (en) | 2020-08-14 |
Family
ID=71988042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921856731.0U Active CN211249091U (en) | 2019-10-31 | 2019-10-31 | Device for grinding seal groove of foundation ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211249091U (en) |
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2019
- 2019-10-31 CN CN201921856731.0U patent/CN211249091U/en active Active
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