KR100940101B1 - Fixing apparatus for processing seal member of turbine - Google Patents

Abstract

PURPOSE: An aligning and fixing device to process a member for a turbine is provided to effectively secure the time for aligning and fixing an object. CONSTITUTION: An aligning and fixing device to process a member for a turbine comprises a main body(10), an offset round plate(20), a jig round plate(30), an inspection unit(70), and an aligning unit. The offset round plate has an aligning and fixing structure which is the same as a rotation plate structure of a turning machine. The jig round plate has jigs for fixing an object(100). When the object, fixed on the top of the jig round plate, is processed in the turning machine, the inspection unit inspects location precision by horizontally moving and rotating. The aligning unit arranges the assembly location of the offset round plate and the jig round plate.

Description

Fixing apparatus for processing seal member of turbine

The present invention relates to an alignment fixing device for processing a turbine member, and more particularly, to an alignment fixing apparatus for processing a turbine member for remarkably improving the productivity and efficiency of the turbine member.

In general, the power turbine member is a key component applied to the main components used when converting the pressure energy of the steam introduced from the high-pressure turbine for gas or steam power generation into kinetic energy.

The turbine member includes a turbine rotor, a blade, and a sealing member disposed to surround the outer circumference thereof, and requires excellent heat resistance, durability, and wear resistance. Therefore, it is difficult to guarantee the proper performance of the product in general materials and processing methods are generally processed using a special alloy base material manufactured by centrifugal casting method.

1 is a schematic diagram showing a manufacturing process of a general turbine member.

As shown in Figure 1, by melting the raw material centrifugal casting process the base material is subjected to the heat treatment and the roughing process of the primary processing. Thereafter, the first processed workpiece is cut at predetermined intervals along the circumferential direction for the second precision machining, the cut and divided members are woven into strips, and then the second precision machining is performed in a turning processing apparatus. Through this secondary processing can be manufactured to fit the designed shape of the product. It is then taken out through inspection and packaging.

On the other hand, in the process turning the factory is to perform the cutting process while fixing the base material to the rotating disc, for this purpose, the base material should be fixed to the rotating disc at the correct position. Particularly, in the secondary processing, the object to be processed must be firmly fixed by precise position alignment to the rotating disk for precise dimension management. Therefore, the strip and numerous fixing jigs are assembled or disassembled to set the object to the correct dimension. There was a problem that entails inefficient manual labor and unnecessary waste of time.

Further, the upper portion of the turning processing apparatus is disposed a head portion for cutting the processing object contained in the rotating disc, the upper edge of the turning processing apparatus is partitioned from the outside by a separate partition plate (not shown) for safety reasons. Since the work space for the installation of the workpiece is narrow, there is a risk of safety accidents of the worker, the position of the workpiece is not fixed correctly, the workability and productivity was very poor.

In addition, when the turning processing apparatus is operated in the installed state through such an inefficient installation process, the machining operation of several tens of minutes to several hours is performed, so that a field worker has a problem that it is difficult to perform an efficient operation during the corresponding time.

The present invention is to solve the above problems to provide an alignment fixing device for the processing of the turbine member for which the productivity and efficiency of the product is significantly improved.

In order to solve the above problems, the present invention is a main body provided with a support frame at the bottom; An offset disc rotatably connected to an upper portion of the main body, the offset disc having the same alignment and fixing structure as the rotary plate of the turning processing apparatus; A jig disc that is detachably provided to the offset disc by a fastening means and is detachably provided to the turning processing apparatus in the same manner, and wherein jigs are installed on top of the offset disc to fix the object; And inspection means provided on the upper side of the main body so as to be rotatable and horizontally movable to inspect the positional accuracy of the workpiece to be fixed to the upper surface of the jig disc. Provide the device.

Here, the offset disc and the jig disc is provided with an alignment means for aligning the position when assembling, the alignment means preferably comprises an alignment protrusion and an alignment groove provided at least two places to be mutually coupled. Do.

In addition, the inlet portion of the alignment groove is preferably formed with an extended portion extending in a predetermined gradient.

In addition, it is preferable that the jig disc is provided with a jig fixing part extending radially in the radial direction to install the plurality of jig.

Moreover, it is preferable that a measuring gauge is installed at the end of the inspection means.

Through the above solution of the present invention provides the following effects.

First, since the jig disc which can be aligned and fixed to the position of the workpiece to be fixed to the offset disc fixed to the main body is provided, the operator can easily and quickly align and fix the position of the workpiece to the jig disc and then The jig disc can be separated and assembled to a turning machine to perform turning. Accordingly, the time for aligning and fixing the object for the next machining to the jig disc during the operation of the turning processing apparatus can be efficiently ensured, thereby improving the convenience of work and the productivity of the product.

Second, since the inspection means for precisely inspecting the position of the workpiece and the jig on the side of the main body is provided to move back and forth and rotatable, it is possible to measure the position accuracy easily and quickly.

Third, the jig disc is detachably provided to the offset disc, the jig disc is easy and quick position by the aligning means including an align groove having an extension that is easy to insert the alignment protrusion when the disc is coupled to the offset disc Alignment can reduce mating and assembly times and improve productivity.

Hereinafter, with reference to the accompanying drawings will be described in detail the alignment fixing device for the processing of the turbine member according to a preferred embodiment of the present invention.

Figure 2 is a side view of the alignment fixing device for the processing of the turbine member according to an embodiment of the present invention, Figure 3 is a top view of the alignment fixing device for the processing of the turbine member according to an embodiment of the present invention. .

As shown in Figures 2 and 3, the alignment fixing device for the machining of the turbine member according to the invention comprises a main body 10, an offset disc 20, and a detachable jig disc 30.

Here, the alignment fixing device for the machining of the turbine member functions as a workbench to align the fixed object 100 to be processed in a turning processing apparatus (not shown) to the jig disc 30 in a correct position, In the alignment fixing device, the jig disc 30 to which the processing object 100 is correctly fixed is separated and rotated simply by being coupled to the rotating plate of the turning processing device so that cutting may be performed. Through this, the head and the cutting unit provided on the upper side and the partition plate is installed on the periphery for safety reasons, the block and the object to be fixed directly to the upper rotary plate of the turning processing apparatus narrow working space, etc. The problem can be eliminated in the manner of improving the safety and productivity significantly.

In detail, the main body 10 is provided with a support frame at the bottom and the rotating shaft 11 is provided at one side central portion. In addition, the offset disc 20 is rotatably connected integrally with the upper end of the rotating shaft 11 of the main body 10.

And, the jig disc 30 is provided detachably by the fastening means 61 in the mounting portion of the offset disc 20, the jig disc 30 is firmly fixed to the object 100 to be processed A plurality of jig 40 is installed.

Here, the fastening means 61 may be made of a bolt or the like fastened to a plurality of places along the circumferential direction through the offset disc 20 and the jig disc 30, but is not limited to the offset disc 20 And the jig disc 30 may be replaced by a clamping device that can be combined and rotated integrally.

As such, the jig disc 30 to which the processing object 100 is fixed to the offset disc 20 fixed to the main body 10 is detachably provided. Therefore, the jig disc 30 of which the alignment and fixing of the object 100 is completed is separated from the offset disc 20 and the cutting process is performed while being coupled to the turning machine and rotated, and this turning process is performed. During the field worker, the productivity can be remarkably improved because the field worker can efficiently transfer the workpiece to which the cutting process is completed by the turning processing device to the next process or warehouse, and efficiently assemble the workpiece and the jig to another jig disc. .

On the other hand, the top of the jig disc 30 is provided with a jig 40 for fixing the object 100 for processing as a turbine member, for this purpose, the jig disc 30 in a radial direction radially It is preferable that the jig fixing part 45 is extended and the plurality of jig 40 is installed. The jig fixing part 45 is preferably formed with a groove having a predetermined depth, and the lead screw 44 is provided inside the groove.

The lead screw 44 is provided with a lower portion of the jig body 42 so as to be moved back and forth, and a clamper 41 fastened by the bolt 43 is provided on the upper portion of the body 42. Therefore, the object to be processed 100 is clamped between the step 42a and the clamper 41 formed on the body 42 and is firmly fixed. Of course, in some cases, the workpiece 100 may be clamped and fixed between the upper surface of the jig disc 30 and the clamper 41.

In addition, the upper side of the main body 10 is provided with an inspection means 70 that can be rotated and moved horizontally to inspect the position accuracy of the workpiece 100 fixed to the upper surface of the jig disc 30 desirable. Here, the measuring gauge 71 is provided at the end of the inspection means 70 to measure the precision of the position of the object 100 and the jig 40 to be installed on the jig disc 30.

In detail, the inspection means 70 is installed to be moved back and forth by the bracket 74 which is moved back and forth by the rotation of the screw 76 rotated by the drive means 75 made of a servo motor, etc., the cylindrical The bearing is rotatably provided by the rotating means 72 mounted. In addition, the base frame 78 supporting the lower portion of the bracket 74 is loaded and installed on the upper portion of the rail 79 to move left and right as the operator manually operates the handle 77.

Accordingly, after the workpiece 100 is coupled to the offset disc 20 by the jig disc 30 fixed by the jig 40, the position of the workpiece 100 and the jig 40, the inspection means ( 70) can be checked accurately. At this time, by using the measuring gauge 71 provided in the inspection means 70 to the position of the outer peripheral surface of the workpiece 100 while rotating the jig disc 30, the accurate reference value set for the cutting of the turning processing apparatus By comparing with, it is possible to inspect the position accuracy simply and precisely, thereby significantly reducing the inspection time and improving the yield of the product during cutting in the turning apparatus.

As such, the jig disc 30 in which the workpiece 100 is aligned and fixed easily and quickly is separated from the offset disc 20 and coupled to the rotary plate of the turning apparatus, thereby performing position alignment of a separate workpiece. The cutting process can be performed immediately without the need. To this end, the rotary plate (not shown) of the turning processing apparatus has the same fastening and alignment structure as the offset disc 20 in order to assemble the jig disc 30.

Meanwhile, the coupling structure of the offset disc 20 and the jig disc 30 will be described below.

4 is a top view of an offset disc applied to an embodiment of the present invention, Figure 5 is a top view of a jig disc applied to an embodiment of the present invention.

As shown in FIGS. 4 and 5, the offset disc 20 and the jig disc 30 have a plurality of fastening holes 61a and 61b to which fastening means (61 in FIG. 3) are fastened at corresponding positions, respectively. Is formed. Therefore, by fastening bolts and the like to the fastening holes 61a and 61b, the offset disc 20 and the jig disc 30 are fixed to each other so as to be integrally rotated at a high speed. In addition, a plurality of jig fixing parts 45 extending radially along the radial direction are formed on the upper surface of the jig disc 30 to fix the jig 40.

On the other hand, the offset disk 20 and the jig disk 30 is provided with an alignment means (65 in Figure 3) at least two or more in order to align the position during assembly. The alignment means 65 includes alignment grooves 66 and 67 formed in the offset disc 20 and the jig disc 30, respectively.

As described above, the fastening hole formed in the rotary disk (not shown) of the turning processing apparatus in the offset disk 20 so that the jig disk 30 is aligned and fixed to the offset disk 20 and It is preferable that a configuration corresponding to the alignment groove is formed.

6 is a cross-sectional view showing the detailed structure of the alignment means applied to an embodiment of the present invention.

As shown in FIG. 6, the aligning means may be aligning protrusions 68 and aligning grooves 66 and 67 formed at corresponding positions of the offset disc 20 and the jig disc 30, respectively. It is preferable that the offset disc 20 and the jig disc 30 are provided in two or more places, respectively. 4 and 5, it can be seen that the alignment grooves 66 and 67 are formed in three places, respectively, and the alignment protrusion 68 is formed in the three alignment grooves 66 and 67 thus formed. Just by exactly coupling, the alignment of the offset position of the offset disk 20 and the jig disk 30 is substantially completed, thereby significantly improving productivity.

On the other hand, the alignment projection 68 may be made of a pin made of a metal material, the lower portion of the alignment projection 68 is first inserted into the alignment groove 66 formed in the offset disc 20 is mounted. Thereafter, the jig disc 30 is moved to insert the upper portion of the alignment protrusion 68 into the alignment groove 67 so that the position is aligned.

At this time, for easy insertion of the alignment protrusion 68, it is preferable that expansion portions 66a and 67a are formed at predetermined inlets of the alignment grooves 66 and 67, respectively.

Through this, in the state in which the lower portion of the alignment protrusion 68 is easily inserted into the alignment groove 66 of the offset disc 20, the jig disc 30 is lifted up so that the alignment groove 67 and The upper end of the alignment protrusion 68 may be easily corresponded and coupled. That is, once the upper end of the alignment protrusion 68 is placed at a position corresponding to the expansion portion 67a of the alignment groove 67, the alignment protrusion 68 is easily inserted while sliding along the bevel of the expansion portion 67a. The position can be aligned.

On the other hand, Figure 7 is a cross-sectional view showing a center alignment structure applied to an embodiment of the present invention.

As shown in FIG. 7, an alignment protrusion 35 for center alignment is formed at the center of the lower surface of the jig disc 30, and correspondingly, the alignment protrusion is formed at the center of the top surface of the offset disc 20. Alignment grooves 25 are formed which can be joined to form a center alignment. At this time, the lower edge of the alignment protrusion 35 is tapered portion 35a which is processed to be inclined or rounded so that an end thereof is easily coupled to the alignment groove 25, and the alignment groove 25 It is preferable that the joining portion 25a is formed on the upper edge of the tapered portion 35a.

Accordingly, the alignment protrusion 35 and the alignment groove 25 are combined with the alignment protrusion 68 and the alignment grooves 66 and 67 described above, so that the jig disc 30 and the offset disc 20 are used. Are combined within a tolerance range where no additional setting work is required, thereby resulting in a significant increase in work productivity by reducing the time for further precision setting work.

Similarly, it is preferable that the aligning groove and the aligning groove part in which the extension part having the same structure as the aligning means are formed also on the rotating plate of the turning processing apparatus.

As described above, the present invention is not limited to the above-described embodiments, but may be modified and implemented by those skilled in the art without departing from the scope of the claims of the present invention. Such modifications are within the scope of the present invention.

1 is a schematic diagram showing a manufacturing process of a general turbine member.

Figure 2 is a side view of the alignment fixing device for the processing of the turbine member according to an embodiment of the present invention.

3 is a top view of the alignment fixing device for processing of the turbine member according to an embodiment of the present invention.

Figure 4 is a top view of the offset disc applied to an embodiment of the present invention.

5 is a top view of a jig disc applied to an embodiment of the present invention.

6 is a cross-sectional view showing the detailed structure of the alignment means applied to an embodiment of the present invention.

7 is a cross-sectional view showing a center align structure applied to an embodiment of the present invention.

<Description of Symbols for Main Parts of the Present Invention>

10: main body 20: offset disc

30: jig disc 40: jig

61: fastening means 65: alignment means

70: inspection means 100: processing object

Claims (5)

A main body provided with a support frame at the bottom; An offset disc rotatably connected to an upper portion of the main body, the offset disc having the same alignment and fixing structure as the rotary plate of the turning processing apparatus; A jig disc that is detachably provided to the offset disc by a fastening means and is detachably provided to the turning processing apparatus in the same manner, and wherein jigs are installed on top of the offset disc to fix the object; An inspection means provided on the upper side of the main body so that the object to be processed fixed to the upper surface of the jig disc may be rotated and horizontally moved on one side of the main body in order to inspect the position accuracy during the machining in the turning processing apparatus; And An alignment including an aligning protrusion and an aligning groove which are provided to align a position when assembling the offset disc and the jig disc, and are provided on at least two positions on opposite sides of the offset disc and the jig disc so as to be mutually coupled. Alignment fixing device for processing of a turbine member comprising a phosphorus means. The method of claim 1, Alignment fixing device for the machining of the turbine member, characterized in that the center of the offset disk and the jig disk further comprises an alignment protrusion and an alignment groove for center alignment respectively. The method of claim 1, Alignment fixing device for the processing of the turbine member, characterized in that the inlet portion of the aligning groove is extended to a predetermined gradient is formed. The method of claim 1, The jig disc has a jig fixing part for radially extending in the radial direction is provided with a plurality of jig is installed, the alignment fixing device for processing the turbine member. The method of claim 1, Alignment fixing device for processing of the turbine member, characterized in that the measuring gauge is installed at the end of the inspection means.

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