Honeycomb sealing structure processing device

Abstract

The utility model discloses a honeycomb sealing structure processing device which comprises a base, a sliding block, a bolt, a longitudinal limiting assembly and a tool electrode, the upper end of the base is provided with a first arc surface, and the side face of the base is provided with a first bolt hole in the longitudinal direction; the lower end of the sliding block is provided with a second arc surface slidably connected to the first arc surface, the upper end of the sliding block is detachably connected with a part, the sliding block is provided with an indexing arc surface, and the axis of the first arc surface, the axis of the upper end face of the part and the axis of the indexing arc surface coincide with the axis of the second arc surface. A plurality of longitudinal second bolt holes are uniformly formed in the sliding block in the arc direction of the indexing arc surface; the bolt is inserted into the first bolt hole and one second bolt hole; the longitudinal limiting assembly is used for limiting longitudinal movement of the sliding block. According to the utility model, mechanical displacement is adopted, so that the indexing accuracy and the coaxial requirement between processing positions can be ensured, and the processing quality of the honeycomb sealing structure can be improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to honeycomb sealing structure processing technical field, especially, relate to a honeycomb sealing structure processing device. BACKGROUND

[0002] Honeycomb sealing structure is the structure that carries out sealing between rotor and stator on modern aero-engine, gas turbine, steam turbine or airplane. At present, honeycomb sealing structure processing commonly adopts two methods, the first method is vacuum brazing combined with grinding processing, the second method adopts electric spark processing machine tool segmented processing.

[0003] However, the first method is prone to brazing position deformation, and the subsequent precision grinding cost is high, and the honeycomb core brazing quality detection is difficult, the second method uses electric spark processing machine tool and needs to be equipped with C shaft, which leads to high procurement cost, and when the C shaft rotates by numerical control driving, there is gear intermittent, and the gear intermittent can greatly affect the processing quality of honeycomb sealing structure, meanwhile, numerical control indexing distortion can also affect the processing quality of honeycomb sealing structure or lead to product scrap. INVENTION CONTENTS

[0004] The utility model discloses a honeycomb sealing structure processing device can improve the processing quality of honeycomb sealing structure to overcome prior art defects.

[0005] The utility model discloses a honeycomb sealing structure processing device can improve the processing quality of honeycomb sealing structure to overcome prior art defects.

[0006] A kind of honeycomb sealing structure processing device, it includes:

[0007] Base, the upper end of base is provided with first arc surface, the side of base is provided with first plug hole along longitudinal direction;

[0008] Sliding block, the lower end of sliding block is provided with second arc surface that is connected in sliding on first arc surface, the upper end of sliding block is detachably connected part, sliding block is provided with index arc surface, the axis of first arc surface, part upper end surface and index arc surface all coincide with the axis of second arc surface, the arc direction of index arc surface is evenly provided with a plurality of longitudinal second plug holes on sliding block;

[0009] Plug, plug is inserted in first plug hole and one second plug hole;

[0010] Longitudinal limiting component, longitudinal limiting component is used to limit the longitudinal movement of sliding block;

[0011] Tool electrode, tool electrode lower end is evenly provided with a plurality of electrode teeth groups along circumference, electrode tooth group includes a plurality of columnar electrodes that are evenly arranged along longitudinal direction, the axis of any columnar electrode all vertically intersects with the axis of part upper end surface.

[0012] The beneficial effects of the above technical solutions are that: by inserting the plug into the first plug hole and one second plug hole, a plurality of columnar electrodes on the tool electrode can be used to process a honeycomb sealing structure on a region of the part; by inserting the plug into the first plug hole and a different second plug hole, the part can be indexed to a different processing position, thereby facilitating indexing honeycomb sealing structure processing on multiple regions on the part; in addition, the honeycomb sealing structure processing device uses mechanical displacement, which is beneficial to ensuring the indexing accuracy and coaxiality between processing positions, thereby improving the processing quality of the honeycomb sealing structure.

[0013] In one embodiment, the diameters of the first plug hole and the second plug hole are matched with the diameter of the plug.

[0014] The beneficial effects of the above technical solutions are that: in this way, the plug can be inserted into the first plug hole and the second plug hole, thereby avoiding relative sliding between the sliding block and the base after insertion.

[0015] In one embodiment, the honeycomb sealing structure processing device includes a plug seat fixedly connected to one side of the base, and the first plug hole is provided on the plug seat.

[0016] The beneficial effects of the above technical solutions are that: the plug seat provides the first plug hole for the plug to be inserted.

[0017] In one embodiment, the length of the plug is greater than the length of the first plug hole.

[0018] The beneficial effects of the above technical solutions are that: in this way, the plug has a length after passing through the first plug hole to be inserted into the second plug hole.

[0019] In one embodiment, the plug seat is bolted to the base.

[0020] In one embodiment, the longitudinal limiting assembly includes a first limiting plate and a second limiting plate fixedly connected to two sides of the base, respectively, and the first limiting plate and the second limiting plate are parallel to each other, and the distance between the first limiting plate and the second limiting plate is matched with the width of the sliding block.

[0021] The beneficial effects of the above technical solutions are that: the first limiting plate and the second limiting plate longitudinally limit the two sides of the sliding block, respectively, to avoid longitudinal movement of the sliding block.

[0022] In one embodiment, the first limiting plate and the second limiting plate are both bolted to the base.

[0023] In one embodiment, the longitudinal limiting assembly includes a plurality of first limiting plates and a plurality of second limiting plates.

[0024] The beneficial effect of the above technical scheme is that the longitudinal limiting is performed at multiple positions on each side of the slider.

[0025] In one embodiment, the lower end of the base is provided with a flat surface.

[0026] The beneficial effect of the above technical scheme is that the flat surface is provided to facilitate the honeycomb sealing structure processing device to be placed on the electric spark processing machine flatly.

[0027] In one embodiment, the honeycomb sealing structure processing device comprises a linear driving mechanism, the output end of the linear driving mechanism is fixedly connected with the upper end of the tool electrode, and the axis of the linear driving mechanism is perpendicular to the axis of the first pin hole.

[0028] The beneficial effect of the above technical scheme is that the linear driving mechanism can drive the tool electrode to approach the part along the processing direction, so that the tool electrode can process the honeycomb sealing structure at the upper end of the part.

[0029] The beneficial effect of the present application is that:

[0030] By inserting the pin into the first pin hole and a second pin hole, a plurality of columnar electrodes on the tool electrode can be used to process the honeycomb sealing structure of a region of the part; by inserting the pin into the first pin hole and a different second pin hole, the part can be indexed to different processing positions, thereby facilitating the indexing honeycomb sealing structure processing of multiple regions on the upper end of the part; in addition, the honeycomb sealing structure processing device adopts mechanical displacement, which is beneficial to ensure the indexing accuracy and coaxiality between processing positions, thereby improving the processing quality of the honeycomb sealing structure. BRIEF DESCRIPTION OF DRAWINGS

[0031] In the following, the present application will be described in more detail based on embodiments and with reference to the accompanying drawings. In which:

[0032] Figure 1 A structural schematic diagram of one embodiment of the present application is shown;

[0033] Figure 2 A front view of the present application is shown;

[0034] Figure 3 A top view of Figure 2 is shown;

[0035] In the drawings, the same components use the same reference numerals. The drawings are not in actual proportion.

[0036] Reference numerals:

[0037] 1 - part, 2 - tool electrode, 201 - cylindrical electrode, 3 - first limit plate, 4 - second limit plate, 5 - bolt, 6 - bolt seat, 601 - first bolt hole, 7 - base, 701 - first circular surface, 702 - flat surface, 8 - slider, 801 - second circular surface, 802 - second bolt hole. DETAILED DESCRIPTION

[0038] The utility model will be further described below with reference to the drawings.

[0039] The utility model provides a honeycomb seal structure processing device, as shown in the figure, it includes: Figures 1-3

[0040] The base 7 is provided with the first circular surface 701 on the upper end, and the first bolt hole 601 is arranged on the side of the base 7 along the longitudinal direction;

[0041] The slider 8 is provided with the second circular surface 801 on the lower end, which is connected to the first circular surface 701 in a sliding manner, and the upper end of the slider 8 is detachably connected to the part 1, the slider 8 is provided with a dividing circular surface, the axis of the first circular surface 701, the upper end surface of the part 1 and the dividing circular surface all coincide with the axis of the second circular surface 801, and a plurality of longitudinal second bolt holes 802 are uniformly arranged on the slider 8 along the arc direction of the dividing circular surface;

[0042] The bolt 5 is inserted into the first bolt hole 601 and one second bolt hole 802;

[0043] The longitudinal limit assembly is used to limit the longitudinal movement of the slider 8.

[0044] The tool electrode 2 is provided with a plurality of electrode tooth groups on the lower end along the circumference, and each electrode tooth group includes a plurality of cylindrical electrodes 201 arranged along the longitudinal direction, and the axis of any cylindrical electrode 201 is perpendicular to the axis of the upper end surface of the part 1.

[0045] It can be understood that by inserting the bolt 5 into the first bolt hole 601 and one second bolt hole 802, a plurality of cylindrical electrodes 201 on the tool electrode 2 can be used to process the honeycomb seal structure of a region of the part 1, by inserting the bolt 5 into the first bolt hole 601 and different second bolt holes 802, the part 1 can be adjusted to different processing positions, so that the end of the part 1 can be conveniently adjusted to different processing positions, thereby facilitating the honeycomb seal structure processing of the part 1, in addition, the honeycomb seal structure processing device adopts mechanical displacement, which is beneficial to ensure the accuracy of the division and coaxiality between the processing positions, thereby improving the processing quality of the honeycomb seal structure.

[0046] ​It needs to be explained that the utility model can process honeycomb sealing structure on ordinary electric spark processing machine tool, and does not need to be equipped with C shaft for electric spark processing machine tool, thereby avoiding indexing distortion, and also reducing equipment use cost; when the utility model processes honeycomb sealing structure, it does not need to carry out complex programming, which simplifies processing preparation and verification time, and also reduces requirement to operating personnel; simultaneously, the axis of first circular surface 701, part 1 upper end surface, indexing circular surface and second circular surface 801 all coincide, so that it is relatively simple to meet coaxial requirement of processing position; in addition, the correction process of the utility model is simple, and indexing is realized through bolt 5, first bolt hole 601 and second bolt hole 802, and A shaft is not needed to be used for rotation during processing, and only needs to move discharge up and down on Z axis.

[0047] It also needs to be explained that the upper end of part 1 is divided into multiple regions, and indexing is carried out according to the region quantity on part 1, so as to open second bolt hole 802 at appropriate position and quantity, and second bolt hole 802 sequentially carries out center hole punching, drilling, reaming and reaming process flow, so as to ensure dimensional accuracy, and numerical control processing center adopts coordinate sampling processing, so as to ensure position accuracy; first bolt hole 601 also sequentially carries out center hole punching, drilling, reaming and reaming process flow, so as to ensure dimensional accuracy; first circular surface 701 and second circular surface 801 are used surfaces, by controlling the profile degree requirement, the accuracy of the two surfaces is controlled and the axis is coincided when first circular surface 701 and second circular surface 801 are pasted, and the flat surface 702 of the lower end of base 7 is polished by numerical control processing center and is precisely ground by grinding machine, so as to ensure the flatness of flat surface 702, thereby ensuring that no error occurs in Z direction in the use process.

[0048] In one embodiment, the diameter of first bolt hole 601 and second bolt hole 802 is matched with the diameter of bolt 5, so that bolt 5 can be inserted into first bolt hole 601 and second bolt hole 802, thereby avoiding relative sliding between sliding block 8 and base 7 after insertion.

[0049] In one embodiment, the honeycomb sealing structure processing device comprises bolt seat 6 fixedly connected on one side of base 7, and first bolt hole 601 is arranged through bolt seat 6; wherein bolt seat 6 provides first bolt hole 601 for bolt 5 to be inserted.

[0050] In one embodiment, the length of bolt 5 is greater than the length of first bolt hole 601, so that bolt 5 has excess length after passing through first bolt hole 601 and is inserted into second bolt hole 802.

[0051] In one embodiment, bolt seat 6 is bolted on base 7.

[0052] In one embodiment, the longitudinal limiting assembly comprises a first limiting plate 3 and a second limiting plate 4 fixedly connected on both sides of the base 7 respectively, the first limiting plate 3 and the second limiting plate 4 are parallel to each other, and the distance between the first limiting plate 3 and the second limiting plate 4 matches the width of the sliding block 8.

[0053] It can be understood that the first limiting plate 3 and the second limiting plate 4 longitudinally limit both sides of the sliding block 8 respectively to avoid longitudinal movement of the sliding block 8.

[0054] In one embodiment, the first limiting plate 3 and the second limiting plate 4 are both bolted on the base 7.

[0055] In one embodiment, the longitudinal limiting assembly comprises a plurality of first limiting plates 3 and a plurality of second limiting plates 4 to longitudinally limit multiple places on each side of the sliding block 8.

[0056] In one embodiment, the lower end of the base 7 is provided with a flat surface 702 to facilitate the honeycomb sealing structure processing device to be placed flat on the electric spark machining machine tool.

[0057] In one embodiment, the honeycomb sealing structure processing device comprises a linear drive mechanism, the output end of the linear drive mechanism is fixedly connected with the upper end of the tool electrode 2, and the axis of the linear drive mechanism is perpendicular to the axis of the first pin hole 601; wherein the linear drive mechanism can drive the tool electrode 2 to move towards the part 1 along the machining direction, so that the tool electrode 2 can process the honeycomb sealing structure on the upper end of the part 1.

[0058] The use process of the utility model is:

[0059] The base 7 is installed on the workbench of the electric spark machining machine tool, and the side surface and the end surface of the base 7 are corrected;

[0060] The part 1 is fixed on the sliding block 8, and the cooperation gap between the two is not greater than 0.02mm by using a feeler gauge;

[0061] The part 1 is installed on the upper end of the base 7 together with the sliding block 8, and is moved to the first machining position, and then the pin 5 is inserted into the first pin hole 601 and the corresponding second pin hole 802, so that the first machining position is fixed;

[0062] After the side surface and the end surface of the electrode are corrected and the axial runout of the part 1 is not greater than 0.02mm, the first machining position is processed;

[0063] Then, the pin 5 is inserted into the first pin hole 601 and the different second pin hole 802 to process each machining position of the part 1, so that the complete honeycomb sealing structure is processed on the part 1.

[0064] In the description of the utility model, it is understood that the terms "upper", "lower", "bottom", "top", "front", "rear", "inner", "outer", "left", "right" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0065] While the utility model has been described herein with reference to particular embodiments thereof, it is to be understood that these embodiments are merely illustrative of the principles and applications of the utility model. It is therefore to be understood that numerous modifications can be made to the illustrative embodiments and that other arrangements can be devised without departing from the spirit and scope of the utility model as defined by the appended claims. It is to be understood that the features of the dependent claims can be combined with features of the utility model described herein in any way other than as explicitly described above. It is also to be understood that features described with respect to one embodiment can be used in other embodiments.

Claims

1. A honeycomb seal structure machining apparatus characterized by comprising: include: A base (7), wherein the upper end of the base (7) is provided with a first arc surface (701), and the side surface of the base (7) is provided with a first pin hole (601) along the longitudinal direction; A slider (8), wherein the lower end of the slider (8) is provided with a second arc surface (801) slidably connected to the first arc surface (701), the upper end of the slider (8) is detachably connected to the part (1), the slider (8) is provided with a graduated arc surface, the axes of the first arc surface (701), the upper end surface of the part (1) and the graduated arc surface all coincide with the axis of the second arc surface (801), and the slider (8) is evenly provided with a plurality of longitudinal second pin holes (802) along the arc direction of the graduated arc surface; A latch (5), the latch (5) being inserted into the first latch hole (601) and one of the second latch holes (802); A longitudinal limiting assembly, the longitudinal limiting assembly being used to limit the longitudinal movement of the slider (8); A tool electrode (2), wherein a plurality of electrode tooth groups are evenly arranged along the circumferential direction at the lower end of the tool electrode (2), the electrode tooth groups comprising a plurality of columnar electrodes (201) evenly arranged along the longitudinal direction, and the axis of any of the columnar electrodes (201) intersects perpendicularly with the axis of the upper end face of the part (1).

2. The honeycomb seal structure machining apparatus of claim 1, wherein The diameters of the first latch hole (601) and the second latch hole (802) both match the diameter of the latch (5).

3. A honeycomb sealing structure processing apparatus according to claim 1 or 2, wherein It comprises a latch seat (6) fixedly connected to one side of the base (7), and the first latch hole (601) is provided through the latch seat (6).

4. The honeycomb seal structure machining apparatus of claim 3, wherein The length of the latch pin (5) is greater than the length of the first latch pin hole (601).

5. The honeycomb sealing structure processing apparatus of claim 3, wherein The latch seat (6) is bolted to the base (7).

6. The honeycomb sealing structure processing apparatus of claim 1, wherein The longitudinal limiting assembly comprises a first limiting plate (3) and a second limiting plate (4) respectively fixedly connected to both sides of the base (7), the first limiting plate (3) and the second limiting plate (4) being parallel to each other, and the distance between the first limiting plate (3) and the second limiting plate (4) matching the width of the slider (8).

7. A honeycomb sealing structure processing apparatus according to claim 6, wherein The first limiting plate (3) and the second limiting plate (4) are both bolted to the base (7).

8. The honeycomb seal structure machining apparatus of claim 6, wherein The longitudinal limiting assembly comprises a plurality of first limiting plates (3) and a plurality of second limiting plates (4).

9. The honeycomb sealing structure machining apparatus of claim 1, wherein The lower end of the base (7) is provided with a flat surface (702).

10. The honeycomb sealing structure machining apparatus of claim 1, wherein It comprises a linear drive mechanism, wherein the output end of the linear drive mechanism is fixedly connected to the upper end of the tool electrode (2), and the axis of the linear drive mechanism intersects perpendicularly with the axis of the first pin hole (601).

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