CN216802539U - Combined turning clamp for air sealing section - Google Patents
Combined turning clamp for air sealing section Download PDFInfo
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- CN216802539U CN216802539U CN202123122456.XU CN202123122456U CN216802539U CN 216802539 U CN216802539 U CN 216802539U CN 202123122456 U CN202123122456 U CN 202123122456U CN 216802539 U CN216802539 U CN 216802539U
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- disc
- seal section
- gas seal
- pressing plate
- detachable
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Abstract
The utility model provides a combined turning fixture for a gas seal section, wherein a circular groove is formed in a disc, the disc is screwed, connected and fixed with threads on a detachable spigot I through a through hole in the circular groove by using an inner hexagon bolt, so that the disc and the detachable spigot I are integrated into a whole, the gas seal section is arranged in the detachable spigot I, an adjusting pressure plate is fixed on the disc by using the inner hexagon bolt, a jackscrew on the adjusting pressure plate is screwed to completely attach the gas seal section to the detachable spigot I, so that the gap error is reduced, a stud is screwed into the disc, the first pressure plate is arranged on the stud, the inner hexagon bolt is screwed, so that the first pressure plate compresses the gas seal section, a lathe clamping jaw clamps the excircle of the disc, and the inner hole turning of the gas seal section is carried out. And disassembling the hexagon bolt on the first detachable spigot by using a wrench, installing the second detachable spigot on the disc, fixing the second detachable spigot by using the hexagon socket bolt, reinstalling the air seal section on the second detachable spigot, installing the second pressing plate on the stud, and pressing the air seal section to finish turning of the excircle and the end face.
Description
Technical Field
The utility model relates to the field of tool fixtures, in particular to a combined turning fixture for a gas seal section.
Background
The gas seal section is an arc section combination of a gas seal ring and is a gas turbine part. The commonly used turning method at present is to splice the gas seal section into a whole circle, and the pressing plate is pressed on a machine tool for turning. But because the gas seal section part structure is special, the part number of segments is too much, traditional anchor clamps are comparatively complicated when fixing the alignment, and the part stability of centre gripping fixed is relatively poor, produces the error easily in the course of working, causes the deformation, even scrap.
Disclosure of Invention
The utility model provides a combined turning clamp for a gas seal section, aiming at solving the problems that a part of the gas seal section is special in structure and irregular in appearance, a traditional clamp is complex in fixing and aligning, the stability of a part clamped and fixed is poor, and errors are easy to generate in the processing process, so that deformation and even scrapping are caused.
The purpose of the utility model is realized as follows: the clamping device comprises a disc, wherein a ring groove is formed in the disc, two groups of threaded hole structures are arranged in the circumferential direction of the disc and are respectively positioned on two sides of the ring groove, threaded through holes in each group of threaded hole structures are arranged in two circles at equal intervals, when an inner hole of a part air sealing section is machined, a detachable seam allowance I is in threaded connection with the ring groove of the disc, the part air sealing section is installed into the detachable seam allowance I, an adjustable pressing plate is fixedly installed through the threaded through holes in the disc on the inner side of the ring groove, a jackscrew on the adjustable pressing plate is screwed down to enable the part air sealing section to be completely attached to the detachable seam allowance I, a stud is arranged in the threaded through hole in the disc on the outer side of the ring groove, the stud is connected with a pressing plate I through an inner hexagon bolt, and the part air sealing section is pressed by the pressing plate I; when the excircle and the end face of the part gas seal section are machined, the detachable spigot II is in threaded connection with the circular groove of the disc, the part gas seal section is installed on the detachable spigot II, a stud is arranged in a threaded through hole in the disc on the inner side of the circular groove, a pressing plate II is connected to the stud through a hexagon socket head cap screw, and the part gas seal section is compressed by the pressing plate II.
Furthermore, the first pressing plate is a hook-head pressing plate, and the second pressing plate is a flat-head pressing plate.
Furthermore, the disc is connected with the detachable seam allowance I and the detachable seam allowance II through hexagon socket head bolts after being in small clearance fit.
Further, carrying out copper plating treatment on the surface of the jackscrew on the adjustable pressing plate.
Furthermore, the number of the adjustable pressing plates is 6, and the adjustable pressing plates are arranged in the corresponding threaded holes at intervals; the number of the first pressing plate and the second pressing plate is 12 respectively.
Furthermore, the external shape of the detachable spigot with the first spigot is concave, and the external shape of the detachable spigot with the second spigot is concave.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model overcomes the defects of the prior art, adopts the inner hexagon bolt for connection after the disc is in clearance fit with the first detachable seam allowance and the second detachable seam allowance, indirectly ensures the processing precision of the part, can complete two-step processing of the part by replacing the detachable seam allowance, and saves the cost of the tool.
The surface of the jackscrew on the adjusting pressure plate is plated with copper, so that the jackscrew is directly prevented from directly contacting with the part to generate indentation on the surface of the part, the appearance surface of the part reaches the optimal state, the deformation of the part is reduced, the air seal section is completely attached to the detachable seam allowance, and the processing error is reduced.
The utility model has convenient use, simple operation and high processing efficiency.
Drawings
FIG. 1 is a three-dimensional perspective view of the overall structure of the first clamp for machining a gas seal section according to the present invention;
FIG. 2 is a top view of the overall structure of the first clamp for machining the gas seal section according to the present invention;
FIG. 3 is a cross-sectional view taken in the direction A-A of the overall structure of the first clamp for machining the gas seal section according to the present invention;
FIG. 4 is a three-dimensional perspective view of the overall structure of the clamp for machining the second surface of the gas seal segment according to the present invention;
FIG. 5 is a top view of the overall structure of the clamp for machining the second face of the gas seal segment according to the present invention;
FIG. 6 is a cross-sectional view in the direction B-B of the overall structure of the clamp for machining the second face of the gas seal segment according to the present invention;
the drawing comprises a main body part jackscrew 1, a part air seal section 2, an inner hexagon bolt 3, an adjusting pressure plate 4, a first pressure plate 5, a stud 6, a disc 7, a detachable seam allowance I8, an inner hexagon bolt 9, a second pressure plate 10 and a detachable seam allowance II 11.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
The working principle of the utility model is as follows:
when the lathe is used, an annular groove is formed in the disc, the disc is screwed up and connected and fixed through the through hole in the annular groove by using the hexagon socket head cap screw 9 and the threads on the detachable spigot I8, the disc 1 and the detachable spigot I8 are integrated, the part gas seal section 2 is installed into the detachable spigot I8, the adjusting pressure plate 4 is fixed onto the disc 7 by using the hexagon socket head cap screw, the jackscrew 1 on the adjusting pressure plate 4 is screwed up to enable the part gas seal section 2 to be completely attached to the detachable spigot I8, the gap error is reduced, the stud 6 is screwed into the disc 7, the hexagon socket head cap screw 3 is screwed up to install the pressing plate I5 onto the stud 6, the pressing plate I5 compresses the part gas seal section 2, the clamping jaw of the lathe clamps the excircle of the disc 7, the dial indicator is matched, and the inner hole of the part gas seal section 2 is turned after the jumping of the excircle and the end face of the part. Dismounting the hexagon socket head cap screw 9 on the detachable spigot I8 by using a wrench, mounting the detachable spigot II 11 on the disc 7, fixing the detachable spigot I9, remounting the part gas seal section 2 on the detachable spigot II 11, mounting the pressing plate II 10 on the stud 6 to compress the part gas seal section 2, and finishing the turning processing of the excircle and the end face after beating of the excircle and the end face of the part.
The first embodiment is as follows: the present embodiment is described with reference to fig. 1 to 6, and the gas seal section combined turning fixture described in the present embodiment includes a main body portion jackscrew 1, a part gas seal section 2, a socket head cap screw 3, an adjusting pressure plate 4, a first pressure plate 5, a stud 6, a disk 7, a detachable seam allowance one 8, a socket head cap screw 9, a second pressure plate 10, and a detachable seam allowance two 11.
There is the annular on the disc, it is fixed with the screw thread that can dismantle on the tang 8 to screw up through hexagon socket head cap screw 9 for the through-hole in the annular, make disc 1 become an organic whole with can dismantle tang 8, pack into part atmoseal section 2 and can dismantle tang 8, fix adjusting plate 4 to disc 7 with hexagon socket head cap screw, 1 screws up jackscrew that makes on adjusting plate 4 that 2 complete laminating of part atmoseal section is in can dismantling tang 8, reduce clearance error, twist on disc 7 with double-screw bolt 6, screw up hexagon socket head cap screw 3 and install double-screw bolt 6 with clamp plate 5 on, make clamp plate 5 compress tightly part atmoseal section 2, lathe clamping jaw presss from both sides tight disc 7 excircle, carry out 2 hole turning in part atmoseal section. Dismounting the hexagon socket head cap screw 9 on the detachable spigot I8 by using a wrench, mounting the detachable spigot II 11 on the disc 7, fixing the detachable spigot II 11 by using the hexagon socket head cap screw 9, remounting the part gas seal section 2 on the detachable spigot II 11, mounting the pressing plate II 10 on the stud 6, pressing the part gas seal section 2, and finishing the turning of the excircle and the end face.
In the specific embodiment, when the lathe clamping jaw is used, the outer circle of the disc 7 is clamped by the lathe clamping jaw, and the lathe machining is completed by aligning the outer circle and the end face of the part gas seal section 2 through the dial indicator before the part gas seal section 2 is turned.
The second embodiment is as follows: the present embodiment is described with reference to fig. 1, fig. 3, fig. 4 and fig. 6, and the present embodiment further defines the fixture according to the first embodiment, in the air sealing section combined turning fixture according to the present embodiment, the disc 7 is connected with the first detachable seam allowance 8 and the second detachable seam allowance 11 by using the hexagon socket head screw 9 after being in small clearance fit;
according to the specific embodiment, the disc 7, the detachable spigot I8 and the detachable spigot II 11 are connected through the hexagon socket head cap bolts 9 after being in small clearance fit, so that the cost of the tool is saved, and the machining precision of parts is improved.
The third concrete implementation mode: the present embodiment is described with reference to fig. 1 and 3, and is a further limitation of the clamp according to the first embodiment, in which the first pressure plate 5 is a hook pressure plate, and the second pressure plate 10 is a flat pressure plate.
The fourth concrete implementation mode: the present embodiment will be described with reference to fig. 1, which is a further limitation of the jig according to the first embodiment, and the air seal segment combination turning jig according to the present embodiment is characterized in that the surface of the top thread 1 on the adjustable pressure plate 4 is subjected to copper plating.
According to the specific embodiment, the copper plating treatment on the surface of the jackscrew 1 on the adjustable pressing plate 4 directly prevents the jackscrew from directly contacting with the impression generated on the surface of the part, so that the appearance surface of the part reaches the optimal state, and meanwhile, the deformation of the part is reduced, so that the air sealing section is completely attached to the detachable seam allowance, and the processing error is reduced.
The fifth concrete implementation mode is as follows: the present embodiment is described with reference to fig. 1 and 4, and the present embodiment further defines the fixture according to the first embodiment, and the thickness of the disc 7 is 40mm in the air seal segment combined turning fixture according to the present embodiment.
In the specific embodiment, the thickness of the disc 7 is 40mm, so that the clamping jaw can be prevented from deforming when clamped to the outer circle of the disc 7, and the service life of the clamp is prolonged.
To sum up, a atmoseal section combination turning anchor clamps relates to the frock clamp field. For solving the special, the appearance of atmoseal section part structure, traditional anchor clamps are comparatively complicated when fixing the alignment, and the part stability of centre gripping fixed is relatively poor, produces the error easily in the course of working, causes the deformation, even condemned problem. The utility model provides a gas seal section combination turning anchor clamps is when using, there is the annular on the disc, through the through-hole in the annular with hexagon socket head cap screw with can dismantle the screw thread on the tang one and screw up fixedly, make the disc and can dismantle the tang one-tenth as an organic whole, pack the gas seal section into can dismantle the tang one, fix adjusting the clamp plate to the disc with hexagon socket head cap screw, screw up the jackscrew on the adjusting the clamp plate and make the complete laminating of gas seal section in can dismantling the tang one, reduce clearance error, twist the double-screw bolt on the disc, install the clamp plate one and screw up hexagon socket head cap screw on the double-screw bolt, make clamp plate one compress tightly the gas seal section, the lathe clamping jaw presss from both sides tight disc excircle, carry out gas seal section hole turning. And disassembling the hexagon bolt on the first detachable spigot by using a wrench, installing the second detachable spigot on the disc, fixing the second detachable spigot by using the hexagon socket bolt, reinstalling the air seal section on the second detachable spigot, installing the second pressing plate on the stud, and pressing the air seal section to finish turning of the excircle and the end face.
Claims (6)
1. The utility model provides a gas seal section combination turning anchor clamps which characterized in that: the device comprises a disc, wherein an annular groove is formed in the disc, two groups of threaded hole structures are arranged in the circumferential direction of the disc and are respectively positioned on two sides of the annular groove, threaded through holes in each group of threaded hole structures are arranged in two circles at equal intervals, when an inner hole of a part air sealing section is machined, a detachable seam allowance I is in threaded connection with the annular groove of the disc, the part air sealing section is arranged in the detachable seam allowance I, an adjustable pressing plate is fixedly arranged through the threaded through holes in the disc on the inner side of the annular groove, a jackscrew on the adjustable pressing plate is screwed down to enable the part air sealing section to be completely attached to the detachable seam allowance I, a stud is arranged in the threaded through hole in the disc on the outer side of the annular groove, the stud is connected with a pressing plate I through an inner hexagon bolt, and the part air sealing section is pressed by the pressing plate I; when the excircle and the end face of the part gas seal section are machined, the detachable spigot II is in threaded connection with the circular groove of the disc, the part gas seal section is installed on the detachable spigot II, a stud is arranged in a threaded through hole in the disc on the inner side of the circular groove, a pressing plate II is connected to the stud through a hexagon socket head cap screw, and the part gas seal section is compressed by the pressing plate II.
2. The gas seal section combined turning clamp of claim 1, wherein: the first pressing plate is a hook head pressing plate, and the second pressing plate is a flat head pressing plate.
3. The combined turning clamp for the gas seal section according to claim 1, characterized in that: the disc is connected with the detachable seam allowance I and the detachable seam allowance II through the hexagon socket head cap bolts after being in small clearance fit.
4. The combined turning clamp for the gas seal section according to claim 1, characterized in that: and carrying out copper plating treatment on the surface of the jackscrew on the adjustable pressing plate.
5. The gas seal section combined turning clamp of claim 1, wherein: the number of the adjustable pressing plates is 6, and the adjustable pressing plates are arranged in the corresponding threaded holes at intervals; the number of the first pressing plate and the second pressing plate is 12 respectively.
6. The gas seal section combined turning clamp of claim 1, wherein: the external shape of the detachable spigot-first spigot is concave, and the internal shape of the external shape of the detachable spigot-second spigot is concave.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123122456.XU CN216802539U (en) | 2021-12-13 | 2021-12-13 | Combined turning clamp for air sealing section |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123122456.XU CN216802539U (en) | 2021-12-13 | 2021-12-13 | Combined turning clamp for air sealing section |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216802539U true CN216802539U (en) | 2022-06-24 |
Family
ID=82054825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123122456.XU Active CN216802539U (en) | 2021-12-13 | 2021-12-13 | Combined turning clamp for air sealing section |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216802539U (en) |
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2021
- 2021-12-13 CN CN202123122456.XU patent/CN216802539U/en active Active
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