CN218745291U - Be used for gland casing chute processing frock - Google Patents

Abstract

The utility model relates to the technical field of steam seal body processing equipment, and discloses a chute processing tool for a steam seal body, which comprises a fixing mechanism, a tilting mechanism and a swing mechanism; the fixing mechanism comprises a chassis, a positioning key is arranged at the bottom of the chassis, a first upright post is welded at one end of the top of the chassis, a first gland is fixed at the top of the first upright post through a screw, a tensioning frame is arranged at one end, far away from the first upright post, of the top of the chassis, the tilting mechanism comprises a tray, a third cross shaft, a second cross shaft and a first cross shaft are welded on the tray respectively, a threaded jack is arranged at the bottom of the third cross shaft, a threaded rod is arranged between the tensioning frame and the second cross shaft, and a rotary table is arranged at the top of the tray. The tool for machining the inclined groove of the steam seal body has the advantages that the exhaust through groove can be installed and machined on the steam seal body within the size range of the rotary table, the universality is high, the problem that the annular inclined groove which is not perpendicular to any three-dimensional vector axis and cannot be machined by a general machine tool in the market is solved, and the tool can replace an extremely expensive large five-axis machine tool.

Description

Be used for gland casing chute processing frock

Technical Field

The utility model relates to a gland casing processing equipment technical field specifically is a be used for gland casing chute processing frock.

Background

At present, a part of core components of a steam turbine body, namely a steam seal body, are provided with exhaust through grooves which are chutes difficult to process, universal rocker arm drills are adopted in the market to drill exhaust holes and then polish the exhaust holes, a large five-axis machine tool is adopted to process the chutes in a processing mode, and the equipment cost is extremely high.

With the above processing method, there are the following display problems:

1. the mode of polishing after drilling row holes by using a universal rocker drill is adopted, the fan-shaped angle of the chute relative to the circle center is not controllable at all and can only be approximate, and the width of the chute cannot be kept consistent;

2. the common planer type milling machine or numerical control boring and milling machine with a side milling head on the market can not realize chute processing, and a large five-axis machine tool is not available for general enterprises and has the processing cost far higher than that of a steam seal body.

Therefore, a tooling for machining a steam seal body chute is provided, which is used for solving the problems mentioned in the background.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a be used for gland casing chute processing frock to solve the problem that proposes among the above-mentioned background art.

In order to solve the technical problem, the utility model provides a following technical scheme: a skewed slot processing tool for a gland sealing body comprises a fixing mechanism, a tilting mechanism and a slewing mechanism;

the fixing mechanism comprises a base plate, a positioning key is arranged at the bottom of the base plate, a first upright post is welded at one end of the top of the base plate, a first gland is fixed at the top of the first upright post through a screw, and a tensioning frame is arranged at one end, far away from the first upright post, of the top of the base plate;

the tilting mechanism comprises a tray, a cross shaft III, a cross shaft II and a cross shaft I are welded on the tray respectively, a screw jack is arranged at the bottom of the cross shaft III, a threaded rod is arranged between the tensioning frame and the cross shaft II, and a rotary table is arranged at the top of the tray;

the swing mechanism is including seting up the hole inside the revolving platform, distance cover and deep groove ball bearing are installed respectively to the hole of revolving platform, distance cover and deep groove ball bearing's bottom is provided with gland two, install the revolving axle in the bearing hole of revolving platform, the key is all installed to the top and the low side of revolving axle, the revolving platform is connected the installation with the revolving axle, the worm wheel is installed through the key to the low side of revolving axle, the welding has stand two on the tray, the stopper has the worm in the stand two, worm and worm wheel screw, thrust roller bearing is all installed at the both ends of worm, thrust roller bearing's outside is provided with gland three, gland three is fastened with stand two through the screw, the handle is installed to the one end of worm, the handle passes through screw two and is fixed with the worm, swing mechanism still includes the hasp clamp plate, the below of hasp clamp plate sets up the spring, the revolving platform outside is filled in to the one end of spring, the spring is through screw one fixed band tightly.

The bottom of the base plate is provided with a boring machine workbench, the top of the device is provided with a gland sealing body, a positioning key on the base plate of the tool is clamped into a T-shaped groove of the boring machine workbench to fix the tool, then a threaded rod is removed, a thread jack is adjusted to enable a rotary table and a tray of the tool to be parallel to the boring machine workbench surface, then the gland sealing body is placed on the rotary table, the inner circle of the gland sealing body is corrected to be coaxial with the rotary table of the tool through the rotation of a handle, and finally, the gland sealing body is fixed through a lock catch pressing plate.

Preferably, the tensioning frame is fixed on the chassis by screws, and the chassis is provided with threaded holes matched with the screws and matched with positioning pins.

The handle is shaken to ensure that one of the fan-shaped cut-off points of the exhaust through groove of the steam seal body is opposite to the main shaft, the rotary table is temporarily incapable of rotating in a mode of fixing the lock catch pressure plate, a through hole with the same width as the groove is drilled, then, a through hole of the other fan-shaped cut-off point is drilled in the same method, finally, the main shaft is provided with a milling cutter, the lock catch pressure plate is loosened, and the whole exhaust through groove is milled among 2 drilled through holes by shaking the handle.

Preferably, the screw jack is fixedly connected to the top of the chassis, and the output end of the screw jack is abutted against the cross shaft III.

Through adjusting the screw jack, the tray of the tool and the rotary table of the tool are inclined to a required angle at the same time, and then the tray is tensioned and fixed through the screw jack.

Preferably, the distance sleeve and the deep groove ball bearing are positioned through a second pressing cover, and the second pressing cover is fixed through a bolt.

Preferably, a gasket is arranged between the key and the top of the rotating shaft, and the key is tightly pressed on the gasket.

Preferably, the worm wheel is arranged below the rotary table and fixed at the lower end of the rotary shaft through a nut.

Preferably, the two stand columns are two, the two stand columns are welded on the tray in pairs, bearing holes are formed in the two stand columns in advance, and the two stand columns are integrally plugged into the bearing holes.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is:

first, the utility model provides a device is as long as all can install processing exhaust logical groove for the gland casing of revolving platform size within range, and the commonality is strong.

Second, the utility model provides a device this equipment has solved "not perpendicular to any three-dimensional vector axle" annular chute processing that general lathe in the market can not be done, "the extremely expensive large-scale five-axis machine tool of fungible.

Thirdly, the device provided by the utility model the equipment maintenance, maintain very convenient, not the time spent surface scribble the antirust oil can.

Fourth, the device provided by the utility model simple installation, only need during the installation with frock integral hoisting install on boring machine (or other horizontal main shaft machine tool) workstation, the bolt fastening can.

Drawings

FIG. 1 is a schematic side view of the present invention;

FIG. 2 is a schematic top view of the present invention;

fig. 3 is a schematic structural view of a common gland casing in the prior art of the present invention;

FIG. 4 is a schematic view of the cross-sectional structure of the worm side view of the present invention;

fig. 5 is a schematic side view of the structure locking pressing plate of the present invention.

Wherein: 1. a chassis; 2. a positioning key; 3. a first upright post; 4. pressing a cover I; 5. tensioning the frame; 6. a horizontal axis III; 7. a horizontal axis II; 8. a first horizontal axis; 9. a tray; 10. a screw jack; 11. a threaded rod; 12. a turntable; 13. a rotating shaft; 14. pressing a cover II; 15. a distance sleeve; 16. a deep groove ball bearing; 17. a thrust bearing; 18. a gasket; 19. a key; 20. a worm gear; 21. a nut; 23. a second upright post; 24. a worm; 25. a thrust roller bearing; 26. pressing a cover III; 27. a jacking block; 28. a locking and pressing plate; 29. a spring; 30. a first screw; 31. a handle; 32. and a second screw.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to FIGS. 1-5

Example one

The embodiment is a specific implementation mode for a steam seal body chute processing tool

A skewed slot processing tool for a gland sealing body comprises a fixing mechanism, a tilting mechanism and a slewing mechanism;

the fixing mechanism comprises a chassis 1, a positioning key 2 is arranged at the bottom of the chassis 1, a first upright post 3 is welded at one end of the top of the chassis 1, a first gland 4 is fixed at the top of the first upright post 3 through a screw, and a tensioning frame 5 is arranged at one end, far away from the first upright post 3, of the top of the chassis 1;

the tilting mechanism comprises a tray 9, a cross shaft III 6, a cross shaft II 7 and a cross shaft I8 are respectively welded on the tray 9, a screw jack 10 is arranged at the bottom of the cross shaft III 6, a threaded rod 11 is arranged between the tensioning frame 5 and the cross shaft II 7, and a rotary table 12 is arranged at the top of the tray 9;

the rotary mechanism comprises an inner hole formed in the rotary table 12, a distance sleeve 15 and a deep groove ball bearing 16 are respectively installed in the inner hole of the rotary table 12, a gland II 14 is arranged at the bottom of the distance sleeve 15 and the bottom of the deep groove ball bearing 16, a rotary shaft 13 is installed in the bearing hole of the rotary table 12, keys 19 are installed at the top end and the low end of the rotary shaft 13, the rotary table 12 is connected with the rotary shaft 13, a worm wheel 20 is installed at the low end of the rotary shaft 13 through the keys 19, an upright post II 23 is welded on the tray 9, a worm 24 is plugged in the upright post II 23, the worm 24 is screwed with the worm wheel 20, thrust roller bearings 25 are installed at two ends of the worm 24, a gland III 26 is arranged outside the thrust roller bearings 25, the gland III 26 is fastened with the upright post II 23 through screws, a handle 31 is installed at one end of the worm 24, the handle 31 is fixed with the worm 24 through a screw II 32, the rotary mechanism further comprises a lock catch pressure plate 28, a spring 29 is arranged below the lock pressure plate 28, one end of the spring 29 is plugged in the rotary table 12, and the spring 29 is fastened through a screw 30.

According to the technical scheme, a boring machine workbench is arranged at the bottom of a chassis 1, a steam seal body is arranged at the top of the device, a positioning key 2 of the tool chassis 1 is clamped into a T-shaped groove of the boring machine workbench to fix the tool, then a threaded rod 11 is removed, a threaded jack 10 is adjusted to enable a rotary table 12 and a tray 9 of the tool to be parallel to the boring machine workbench surface, then the steam seal body is placed on the rotary table 12, the inner circle of the steam seal body is corrected to be coaxial with the rotary table 12 of the tool through the shaking rotation of a handle 31, and finally, the steam seal body is fixed by a lock catch pressing plate 28;

the handle 31 is shaken to make the positioning point of one sector-shaped cut-off point of the exhaust through groove of the steam seal body, which is scribed in advance, opposite to the main shaft, the rotary table 12 can not rotate temporarily in a mode of fixing the lock catch pressure plate 28, a through hole with the same width as the groove is drilled, then a through hole of the other sector-shaped cut-off point is drilled in the same method, finally, the main shaft is provided with a milling cutter, the lock catch pressure plate 28 is loosened, and the whole exhaust through groove is milled among 2 drilled through holes by shaking the handle 31.

Specifically, the tensioning frame 5 is fixed on the chassis 1 through a screw, and the chassis 1 is provided with a threaded hole matched with the screw and matched with a processing positioning pin.

Specifically, the screw jack 10 is fixedly connected to the top of the chassis 1, and the output end of the screw jack 10 abuts against the cross shaft III 6.

Through the technical scheme, the tray 9 of the tool and the rotary table 12 of the tool are inclined to a required angle simultaneously by adjusting the screw jacks 10, and then the fixed tray 9 is tensioned through the screw jacks 10.

Specifically, the distance sleeve 15 and the deep groove ball bearing 16 are positioned through the second gland 14, and the second gland 14 is fixed through a bolt.

Specifically, a spacer 18 is provided between the key 19 and the top of the rotation shaft 13, and the key 19 is arranged to press the spacer 18.

Specifically, the worm wheel 20 is disposed below the turntable 12, and the worm wheel 20 is fixed to a lower end of the revolving shaft 13 by a nut 21.

Specifically, the two upright posts 23 are arranged, the two upright posts 23 are welded on the tray 9 in a corresponding mode, bearing holes are formed in the two upright posts 23 in advance, and the two upright posts 23 are integrally plugged into the bearing holes.

Example two

The embodiment is a specific implementation mode of a fixing mechanism for a steam seal body chute processing tool

The utility model provides a fixed establishment for gland casing chute processing frock, includes chassis 1, and chassis 1's bottom is provided with navigation key 2, and the welding of chassis 1's top one end has stand one 3, and the top of stand one 3 is passed through the fix with screw has gland 4, and the one end that stand one 3 was kept away from at chassis 1's top is provided with taut frame 5.

EXAMPLE III

The embodiment is a specific implementation mode of a tilting mechanism for a steam seal body chute processing tool

The utility model provides a tilting mechanism for gland casing chute processing frock, includes tray 9, has welded respectively on the tray 9 cross axle three 6, cross axle two 7 and cross axle one 8, and the bottom of cross axle three 6 is provided with screw jack 10, is provided with threaded rod 11 between tensioning frame 5 and the cross axle two 7, and the top of tray 9 is provided with revolving platform 12.

Example four

The embodiment is a specific implementation mode of a swing mechanism for a steam seal body chute processing tool

A slewing mechanism for a steam seal body chute machining tool comprises an inner hole formed in a slewing table 12, a distance sleeve 15 and a deep groove ball bearing 16 are respectively installed on the inner hole of the slewing table 12, a pressing cover II 14 is arranged at the bottoms of the distance sleeve 15 and the deep groove ball bearing 16, a slewing shaft 13 is installed in the bearing hole of the slewing table 12, keys 19 are installed at the top end and the lower end of the slewing shaft 13, the slewing table 12 is connected with the slewing shaft 13, a worm wheel 20 is installed at the lower end of the slewing shaft 13 through the keys 19, a stand column II 23 is welded on a tray 9, a worm 24 is plugged in the stand column II 23, the worm 24 is screwed with the worm wheel 20, thrust roller bearings 25 are installed at two ends of the worm 24, a pressing cover III 26 is arranged outside the thrust roller bearings 25, the pressing cover III 26 is fastened with the stand column II 23 through screws, a handle 31 is installed at one end of the worm 24, the handle 31 is fixed with the worm 24 through the screw II 32, a locking pressing plate 28 is further provided with a spring 29 below the locking buckle 28, one end of the spring 29 is plugged in the outer portion of the slewing table 12, and the spring 29 is fastened through a fixing belt 30.

EXAMPLE five

The embodiment is a specific implementation mode of an alternative scheme for a steam seal body chute machining tool

An alternative scheme for the steam seal body chute machining tool is that the size of all parts in a drawing is enlarged and widened, so that the tool can be suitable for steam seal bodies with larger sizes.

EXAMPLE six

The embodiment is a specific implementation mode of an alternative scheme for a steam seal body chute machining tool

An alternative scheme for the steam seal body chute processing tool is that a handle 31 in the attached drawing is replaced by a speed reducing motor, and the speed reducing motor is additionally provided with a switch which is stopped at the beginning and the end, so that a steam seal body is processed in a semi-automatic mode.

The working principle is as follows: the tool is mainly provided with a tilting mechanism capable of adjusting any angle, and a rotating mechanism of the tool is added on the tilting mechanism, so that any coordinate which is not perpendicular to any three-dimensional vector axis can be achieved.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. The utility model provides a be used for gland casing chute processing frock which characterized in that: comprises a fixing mechanism, a tilting mechanism and a slewing mechanism;

the fixing mechanism comprises a chassis (1), a positioning key (2) is arranged at the bottom of the chassis (1), a first upright post (3) is welded at one end of the top of the chassis (1), a first gland (4) is fixed at the top of the first upright post (3) through a screw, and a tensioning frame (5) is arranged at one end, far away from the first upright post (3), of the top of the chassis (1);

the tilting mechanism comprises a tray (9), a cross shaft III (6), a cross shaft II (7) and a cross shaft I (8) are welded on the tray (9) respectively, a screw jack (10) is arranged at the bottom of the cross shaft III (6), a threaded rod (11) is arranged between the tensioning frame (5) and the cross shaft II (7), and a rotary table (12) is arranged at the top of the tray (9);

the slewing mechanism is including seting up at the inside hole of revolving platform (12), distance cover (15) and deep groove ball bearing (16) are installed respectively to the hole of revolving platform (12), the bottom of distance cover (15) and deep groove ball bearing (16) is provided with gland two (14), install revolving axle (13) in the bearing hole of revolving platform (12), key (19) are all installed to the top and the low end of revolving axle (13), revolving platform (12) is connected the installation with revolving axle (13), worm wheel (20) are installed through key (19) to the low end of revolving axle (13), the welding has stand two (23) on tray (9), stand two (23) are built in with worm (24), worm (24) and worm wheel (20) screw-closure, thrust roller bearing (25) are all installed at the both ends of worm (24), the outside of thrust bearing (25) is provided with gland three (26), gland three (26) are fastened through screw and stand two (23), handle (31) is installed to the one end of worm (24), handle (31) is through two fixed roller (32) and the clamp plate (28) is still included the clamp plate (28), the clamp plate (28) is set up the lower spring lock catch (28), one end of the spring (29) is plugged into the outer part of the rotary table (12), and the spring (29) is fixed by a first screw (30).

2. The tooling for processing the steam seal body chute as claimed in claim 1, wherein: the tensioning frame (5) is fixed on the chassis (1) through screws, and the chassis (1) is provided with threaded holes matched with the screws and matched with positioning pins.

3. The tooling for processing the steam seal body chute as claimed in claim 1, wherein: the screw jack (10) is fixedly connected to the top of the chassis (1), and the output end of the screw jack (10) is abutted to the third transverse shaft (6).

4. The tooling for processing the steam seal body chute as claimed in claim 1, wherein: the distance sleeve (15) and the deep groove ball bearing (16) are positioned through a second gland (14), and the second gland (14) is fixed through bolts.

5. The tooling for processing the steam seal body chute as claimed in claim 1, wherein: a gasket (18) is arranged between the key (19) and the top of the rotating shaft (13), and the key (19) is tightly pressed on the gasket (18).

6. The tooling for processing the steam seal body chute as claimed in claim 1, wherein: the worm wheel (20) is arranged below the rotary table (12), and the worm wheel (20) is fixed at the lower end of the rotary shaft (13) through a nut (21).

7. The tooling for processing the steam seal body chute as claimed in claim 1, wherein: the two upright posts (23) are welded on the tray (9), bearing holes are formed in the two upright posts (23) in advance, and the two upright posts (23) are integrally plugged into the bearing holes.

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