CN211490534U - Turbine blade root filler strip half-milling tool - Google Patents
Turbine blade root filler strip half-milling tool Download PDFInfo
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- CN211490534U CN211490534U CN201922372854.3U CN201922372854U CN211490534U CN 211490534 U CN211490534 U CN 211490534U CN 201922372854 U CN201922372854 U CN 201922372854U CN 211490534 U CN211490534 U CN 211490534U
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- blade root
- turbine blade
- filler strip
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Abstract
The utility model discloses a turbine blade root filler strip milling half tool, which belongs to the technical field of turbine milling half tools, and comprises a milling machine, wherein the milling machine comprises a fixed base, a working table plate is arranged on the fixed base, the left end and the right end of the working table plate are respectively provided with a clamping mechanism, and a filler strip clamping groove is arranged on the clamping mechanism; and the middle part of the working table plate is provided with a drum prevention mechanism, a drum prevention area is arranged on the drum prevention mechanism, and a cutter of the milling machine can be placed in the drum prevention area. The utility model discloses a specially form for processing steam turbine blade root filler strip design, this patent not only can prevent that the filler strip from bulging at the manufacturing process middle part, guarantees the machining precision of whole filler strip, and its course of working is simple and easy to operate, and machining efficiency is also than higher, and labour saving and time saving avoids influencing the mission cycle of steam turbine stator blade installation.
Description
Technical Field
The utility model relates to a steam turbine milling machine mills half instrument technical field, concretely relates to steam turbine blade root filler strip mills half instrument.
Background
In the installation process of the turbine stator blade, the root of some blades needs to be installed with the aid of the filler strip, and the existing filler strip is formed by milling and half-processing round steel.
When the cushion strip is manufactured, milling is carried out according to the actual size of a blade root, the cushion strip is processed into a semicircle or small semicircle shape, the size requirement is strict, the thickness error size needs to be controlled within +/-0.02 mm, but when the cushion strip is processed on a milling machine at present, the middle of the cushion strip is very easy to bulge after two ends of the cushion strip are directly pressed, and the processing precision of the whole cushion strip is influenced; moreover, because the filler strip is in practical use, the required amount is large, and the round steel is spot-welded on the flat plate at present, then the grinding machine is used for processing, and the production mode of the filler strip meeting the assembly requirement size is selected by screening at last, so that the manufacturing process is complicated, time and labor are wasted, and the task cycle of the installation of the turbine stationary blade is influenced.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects in the prior art, the utility model provides a turbine blade root filler strip half-milling tool; this steam turbine blade root filler strip mills half instrument is specially designed for processing steam turbine blade root filler strip and forms, and this patent not only can prevent that the filler strip from bulging at the manufacturing process middle part, guarantees the machining precision of whole filler strip, and its course of working is simple and easy to operate, and machining efficiency is also than higher, and labour saving and time saving avoids influencing the mission cycle of steam turbine stator blade installation.
In order to solve the technical problem, the utility model provides a turbine blade root filler strip milling half tool, which comprises a milling machine, wherein the milling machine comprises a fixed base, a working table plate is arranged on the fixed base, the left end and the right end of the working table plate are respectively provided with a clamping mechanism, and a filler strip clamping groove is arranged on the clamping mechanism; and the middle part of the working table plate is provided with a drum prevention mechanism, a drum prevention area is arranged on the drum prevention mechanism, and a cutter of the milling machine can be placed in the drum prevention area.
This patent adds clamping mechanism on the work platen of milling machine, makes the round steel carry out horizontal migration along with the work platen to the mechanism of preventing bulging that the utilization is located the work platen middle part prevents the filler strip at the manufacturing process middle part and swells, guarantees the machining precision of whole filler strip, and its course of working is simple and easy to operate, and machining efficiency is also than higher, and labour saving and time saving avoids influencing the task cycle of steam turbine stator blade installation.
When the round steel washer is used, the round steel horizontally moves along with the working bedplate and is milled by a cutter positioned in the anti-bulging area, and the gasket strip is machined once in the machining process, so that the size of the whole gasket strip is ensured to be consistent; the machining precision can be met as long as the precision of the machine tool can meet the requirement, and the manual operation error is reduced.
And this patent clamping convenient and fast easily operates, has processed one section filler strip at every turn, as long as loosen clamping mechanism, move the filler strip forward the back screw up clamping mechanism once more can, if need more renew the filler strip also repeated go up the step can accomplish, this patent process velocity is fast, can be fine satisfy actual assembly demand.
The utility model discloses in the further improvement, above-mentioned clamping mechanism includes the tight magnetic base of clamp who is connected with the work platen, and the tight magnetic base of clamp is connected with the pole setting, and the pole setting top is connected with and presss from both sides tight bottom plate, presss from both sides tight bottom plate and is connected with through pressing from both sides tight adjusting bolt and press from both sides tight roof, presss from both sides tight bottom plate and presss from both sides the space between the tight roof for the filler.
This patent utilizes magnetic base as clamping mechanism's base, and the position of change clamping mechanism on the work platen that can be very convenient presss from both sides tight adjusting bolt's effect then is in order to adjust the height in filler strip double-layered groove, makes this patent applicable mill half-processing in the round steel of multiple size.
In the further improvement of the utility model, the upper wall of the clamping bottom plate is wave-shaped; and/or the lower wall of the clamping top plate is wavy.
Through the design, the clamping mechanism can better fix the round steel, avoid the 'off tracking' of the round steel and influence the milling half-task.
The utility model discloses in the further improvement, above-mentioned prevent drum mechanism include prevent drum magnetic base with unable adjustment base is connected, prevent that drum magnetic base is connected with L (cross-fold) shape mirror image "support," L (cross-fold) shape mirror image "is provided with on the support and prevents the drum bottom plate, prevent that drum bottom plate has arranged a set of hold-down mechanism respectively in both ends about, the space between the hold-down mechanism at both ends is for preventing the drum district.
This patent utilizes the magnetic base as the base of preventing the drum mechanism, and the position of preventing the drum mechanism on unable adjustment base can very convenient change makes the processing operation of filler strip have better flexibility, and during the use, the filler strip mills half the operation through a set of hold-down mechanism-prevent the drum district-another group hold-down mechanism completion.
The utility model discloses in the further improvement, above-mentioned hold-down mechanism is including setting up the screw hole on the L (cross-fold) shape mirror image support, and the screw hole is connected with the adjustment double-screw bolt, and adjustment double-screw bolt sliding connection has the frame that compresses tightly, compresses tightly the frame and has the running roller that compresses tightly through the round pin hub connection.
Through the design, the hold-down mechanism of this patent can more do benefit to the passing through of round steel, and the frame that compresses tightly with adjustment double-screw bolt sliding connection still compresses tightly the running roller that compresses tightly on the frame and can further avoid round steel "off tracking", the influence mills going on of half-task.
The utility model discloses in the further improvement, the top of above-mentioned adjustment double-screw bolt is provided with twist grip, and twist grip's below is provided with the obstacle nut.
Through the design, the height of the stud can be conveniently adjusted, and the milling operation is more facilitated.
In the further improvement of the utility model, the adjusting stud is connected with a through hole in a sliding way, and the through hole is arranged on the compressing frame; the barrier nut is positioned above the through hole.
Through the design, the limit that this patent can be better compresses tightly the sliding range of frame, avoids compressing tightly that frame sliding range is too wide, influences the route of advancing of round steel.
In a further improvement of the present invention, a buffer rod is disposed between the L-shaped mirror support and the pressing frame, the buffer rod includes a bottom rod fixedly connected to the L-shaped mirror support, the bottom rod is sleeved with a sub-rod, and the sub-rod is fixedly connected to the bottom of the pressing frame; the inside of sill bar is provided with the cavity, and the cavity cup joints with the auxiliary rod, and the bottom is provided with buffer spring in the cavity, and buffer spring is connected with the auxiliary rod bottom.
Through above-mentioned design, the frame that compresses tightly of this patent can be better serve for the route of advancing of round steel, can fine avoid compressing tightly frame "too pine", guarantee to compress tightly running roller and round steel and laminate all the time, make hold-down mechanism play stronger effect that compresses tightly.
The utility model discloses in the further improvement, above-mentioned upper wall of preventing the drum bottom plate is the wave.
Through the design, the round steel that this patent prevents that drum bottom plate can more do benefit to passes through, avoids round steel "off tracking", and the influence mills half-task.
The utility model discloses in the further improvement, the central line of above-mentioned tight bottom plate of clamp coincides with the central line of preventing the drum bottom plate.
Through the design, the semi-task of milling of this patent can be more smooth and easy going on.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses a specially form for processing steam turbine blade root filler strip design, this patent not only can prevent that the filler strip from bulging at the manufacturing process middle part, guarantees the machining precision of whole filler strip, and its course of working is simple and easy to operate, and machining efficiency is also than higher, and labour saving and time saving avoids influencing the mission cycle of steam turbine stator blade installation.
This patent adds clamping mechanism on the work platen of milling machine, makes the round steel carry out horizontal migration along with the work platen to the mechanism of preventing bulging that the utilization is located the work platen middle part prevents the filler strip at the manufacturing process middle part and swells, guarantees the machining precision of whole filler strip, and its course of working is simple and easy to operate, and machining efficiency is also than higher, and labour saving and time saving avoids influencing the task cycle of steam turbine stator blade installation.
Drawings
To more clearly illustrate the background art or the technical solution of the present invention, the drawings used in conjunction with the prior art or the detailed description are briefly described below; obviously, the structure, proportion, size, etc. shown in the drawings are only used for matching with the content disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any modification of the structure, change of the proportion relation or adjustment of the size should still fall within the scope covered by the technical content disclosed in the present invention without affecting the function and the achievable purpose of the present invention.
Fig. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic view of a L-mirror support structure of the present invention.
Fig. 3 is a schematic view of the working principle of the present invention.
Shown in the figure: 1-milling machine; 2-fixing the base; 3-a workbench plate; 4-cutting tool; 5-clamping the magnetic base; 6-erecting a rod; 7-clamping the bottom plate; 8-clamping the adjusting bolt; 9-clamping the top plate; 10-filler strip clamping groove; 11-anti-bulging magnetic base; a 12-L-mirror bracket; 13-anti-drum base plate; 14-anti-drum zone; 15-adjusting the stud; 16-a pressing frame; 17-a pin shaft; 18-a pressing roller; 19-turning the handle; 20-barrier nuts; 21-bottom bar; 22-secondary rod; 23-a buffer spring; 100-round steel; 200-cushion strip.
Detailed Description
In order to make the technical solution of the present invention better understood, the technical solution of the present invention will be described in detail below with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, but not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work based on the embodiments of the present invention shall fall within the protection scope of the present invention, and meanwhile, the terms such as "upper", "lower", "front", "rear", "middle", etc. cited in the present specification shall be understood only for convenience of description, and are not intended to limit the scope of the present invention which can be implemented, and the relative relationship changes or adjustments thereof, without substantial changes in technical content, the scope of the present invention should also be considered as the following implementable claims.
As shown in fig. 1, 2 and 3, a turbine blade root filler strip half-milling tool comprises a milling machine 1, wherein the milling machine 1 comprises a fixed base 2, a working table plate 3 is arranged on the fixed base 2, a clamping mechanism is respectively arranged at the left end and the right end of the working table plate 3, and a filler strip clamping groove is formed in the clamping mechanism; and the middle part of the working table plate is provided with a drum prevention mechanism, a drum prevention area is arranged on the drum prevention mechanism, and a cutter 4 of the milling machine can be placed in the drum prevention area.
The clamping mechanism comprises a clamping magnetic base 5 connected with the working table plate 3, the clamping magnetic base 5 is connected with an upright rod 6, the top 6 of the upright rod is connected with a clamping bottom plate 7, the clamping bottom plate 7 is connected with a clamping top plate 9 through a clamping adjusting bolt 8, the space between the clamping bottom plate 7 and the clamping top plate 9 is a filler strip clamping groove 10, and the upper wall of the clamping bottom plate 7 is wavy; and/or the lower wall of the clamping head plate 9 is undulated.
The anti-drum mechanism comprises an anti-drum magnetic base 11 connected with the fixed base 2, the anti-drum magnetic base 11 is connected with a L (transverse folding) shaped mirror image support 12, an anti-drum bottom plate 13 is arranged on the L (transverse folding) shaped mirror image support 12, a group of pressing mechanisms are respectively arranged at the left end and the right end of the anti-drum bottom plate 13, and a space between the pressing mechanisms at the left end and the right end is an anti-drum area 14; the pressing mechanism comprises a threaded hole arranged on the L (transverse folding) shaped mirror image bracket 12, the threaded hole is connected with an adjusting stud 15, the adjusting stud 15 is connected with a pressing frame 16 in a sliding way, and the pressing frame 16 is connected with a pressing roller 18 through a pin shaft 17; a rotating handle 19 is arranged at the top of the adjusting stud 15, and a barrier nut 20 is arranged below the rotating handle 19; the adjusting stud 15 is connected with a through hole in a sliding manner, and the through hole is arranged on the pressing frame 16; the barrier nut 20 is positioned above the through hole.
A buffer rod is arranged between the L-shaped mirror image bracket 12 and the pressing frame 16, the buffer rod comprises a bottom rod 21 fixedly connected with the L-shaped mirror image bracket 12, the bottom rod 21 is sleeved with an auxiliary rod 22, and the auxiliary rod 22 is fixedly connected with the bottom of the pressing frame 16; a cavity is arranged in the bottom rod 21 and is sleeved with the auxiliary rod 22, a buffer spring 23 is arranged at the bottom in the cavity, and the buffer spring 23 is connected with the bottom of the auxiliary rod 22; the upper wall of the anti-drum bottom plate 13 is wavy; the center line of the clamping bottom plate 7 is coincident with the center line of the anti-drum bottom plate 13.
When the gasket strip is machined on a milling machine at present, after two ends of the gasket strip are directly pressed, the middle of the gasket strip is easy to bulge, and the machining precision of the whole gasket strip is influenced; and at present, when the filler strip is in actual use, the required amount is bigger, and the production mode of spot welding regrinding and selecting is too loaded down with trivial details and waste time and energy now, and the task cycle of steam turbine stator blade installation is very influenced, so the design concept of this patent is to utilize the milling machine work platen that removes to remove the round steel, adds again and prevents that drum mechanism constructs out and prevent the bulging district, makes the cutter mill semicircle steel in preventing the bulging district, avoids the filler strip to swell, influences the machining precision.
As shown in fig. 3, the patent uses the steps of: firstly, a clamping mechanism is installed on a milling machine working table plate, then an anti-bulging mechanism is installed on a fixed base, round steel sequentially penetrates through a clamping mechanism on one side, the anti-bulging mechanism and a clamping mechanism on the other side, a clamping adjusting bolt is screwed down, the clamping mechanism is guaranteed to clamp the round steel all the time, a milling machine cutter is placed in an anti-bulging area, the milling machine is started, the working table plate moves horizontally, the round steel moves along with the round steel, the cutter also rotates to mill the round steel in the anti-bulging area in a half-operation mode, an adjusting stud of a pressing frame on one side is adjusted, the milling machine is adapted to the size of a milled semi-finished cushion strip, a section of the cushion strip is machined, the milling machine is temporarily stopped, the clamping adjusting bolt is unscrewed, the round steel is moved forwards, the clamping adjusting bolt is screwed down, the milling machine is restarted, the milling machine continues And repeating the above operations until the task is completed.
The utility model is not limited to the milling of steam turbine filler strip is half the operation suitable for, still is suitable for with the milling half the task of multiple cylindricality raw materials, and the square column form raw materials can also use even.
Although the present invention has been described in detail by referring to the drawings in conjunction with the preferred embodiments, the present invention is not limited thereto. Various equivalent modifications or substitutions can be made on the embodiments of the present invention by those skilled in the art without departing from the spirit and substance of the present invention, and these modifications or substitutions are intended to be within the scope of the present invention/any person skilled in the art can easily conceive of changes or substitutions within the technical scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides a steam turbine blade root filler strip mills half instrument, includes the milling machine, the milling machine includes unable adjustment base, is provided with the work platen on the unable adjustment base, its characterized in that: the left end and the right end of the working table plate are respectively provided with a clamping mechanism, and the clamping mechanisms are provided with filler strip clamping grooves; and the middle part of the working table plate is provided with a drum prevention mechanism, a drum prevention area is arranged on the drum prevention mechanism, and a cutter of the milling machine can be placed in the drum prevention area.
2. The steam turbine blade root shim milling half tool of claim 1, wherein: the clamping mechanism comprises a clamping magnetic base connected with the working table plate, the clamping magnetic base is connected with a vertical rod, the top of the vertical rod is connected with a clamping bottom plate, the clamping bottom plate is connected with a clamping top plate through a clamping adjusting bolt, and a space between the clamping bottom plate and the clamping top plate is a filler strip clamping groove.
3. The turbine blade root shim milling half tool of claim 2, wherein: the upper wall of the clamping bottom plate is wavy; and/or the lower wall of the clamping top plate is wavy.
4. The turbine blade root shim milling half tool of claim 2, wherein: the anti-drum mechanism comprises an anti-drum magnetic base connected with the fixed base, the anti-drum magnetic base is connected with a L-shaped mirror image support, an anti-drum bottom plate is arranged on the L-shaped mirror image support, a group of pressing mechanisms are respectively arranged at the left end and the right end of the anti-drum bottom plate, and a space between the pressing mechanisms at the left end and the right end is an anti-drum area.
5. The turbine blade root shim milling half tool of claim 4, wherein: the compressing mechanism comprises a threaded hole arranged on the L-shaped mirror image support, the threaded hole is connected with an adjusting stud, the adjusting stud is connected with a compressing frame in a sliding mode, and the compressing frame is connected with a compressing roller through a pin shaft.
6. The turbine blade root shim milling half tool of claim 5, wherein: a rotating handle is arranged at the top of the adjusting stud, and a barrier nut is arranged below the rotating handle.
7. The turbine blade root shim milling half tool of claim 6, wherein: the adjusting stud is connected with a through hole in a sliding manner, and the through hole is arranged on the pressing frame; the barrier nut is positioned above the through hole.
8. The turbine blade root shim milling half tool of claim 7, wherein: a buffer rod is arranged between the L-shaped mirror image support and the pressing frame, the buffer rod comprises a bottom rod fixedly connected with the L-shaped mirror image support, the bottom rod is sleeved with an auxiliary rod, and the auxiliary rod is fixedly connected with the bottom of the pressing frame; the inside of sill bar is provided with the cavity, and the cavity cup joints with the auxiliary rod, and the bottom is provided with buffer spring in the cavity, and buffer spring is connected with the auxiliary rod bottom.
9. The turbine blade root shim milling half tool of claim 4, wherein: the upper wall of the anti-drum bottom plate is wavy.
10. The turbine blade root shim milling half tool of claim 4, wherein: the central line of the clamping bottom plate is superposed with the central line of the anti-drum bottom plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922372854.3U CN211490534U (en) | 2019-12-24 | 2019-12-24 | Turbine blade root filler strip half-milling tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922372854.3U CN211490534U (en) | 2019-12-24 | 2019-12-24 | Turbine blade root filler strip half-milling tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211490534U true CN211490534U (en) | 2020-09-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922372854.3U Active CN211490534U (en) | 2019-12-24 | 2019-12-24 | Turbine blade root filler strip half-milling tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211490534U (en) |
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2019
- 2019-12-24 CN CN201922372854.3U patent/CN211490534U/en active Active
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