CN214212265U - Special clamp for finish machining of turbine shaft - Google Patents
Special clamp for finish machining of turbine shaft Download PDFInfo
- Publication number
- CN214212265U CN214212265U CN202023293132.8U CN202023293132U CN214212265U CN 214212265 U CN214212265 U CN 214212265U CN 202023293132 U CN202023293132 U CN 202023293132U CN 214212265 U CN214212265 U CN 214212265U
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- China
- Prior art keywords
- turbine shaft
- spring
- finish machining
- hole
- clamping
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- 238000003754 machining Methods 0.000 title claims abstract description 15
- 239000000463 material Substances 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000003381 stabilizer Substances 0.000 claims 2
- 238000000034 method Methods 0.000 abstract description 9
- 230000001737 promoting effect Effects 0.000 abstract description 3
- 238000010521 absorption reaction Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
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Abstract
The utility model discloses a turbine shaft finish machining special fixture relates to fixture technical field, including the workstation, electrical apparatus case and mount pad are installed respectively to the top of workstation, and the surface mounting of electrical apparatus case has operating panel, and the three-jaw chuck is installed to one side of electrical apparatus case, and one side of three-jaw chuck is seted up flutedly and is blocked the hole respectively. The utility model discloses a be provided with the rotation axis, the fixed plate, first spring and telescopic link, when the turbine shaft to different length carries out the centre gripping fixed, because one side of turbine shaft presss from both sides tightly fixedly through the three-jaw chuck, subsequently the staff alright through promoting the mount pad, make the tip cone be close to in the locating hole of turbine shaft one side, make the tip cone will extrude first spring and telescopic link at the in-process tip cone that contacts with the turbine shaft, and then avoided the mount pad to drive the in-process that the tip cone moved and lead to the fact the impact to the turbine shaft, make first spring carry out effectual absorption to the impact of tip cone and turbine shaft.
Description
Technical Field
The utility model relates to an anchor clamps technical field specifically is a turbine shaft finish machining special fixture.
Background
The positioning precision of the turbine shaft directly influences the processing quality of the turbine, one end of the turbine shaft is usually vertically fixed with a disc, the disc is used as a carrier of the turbine blade and used for bearing the turbine blade, when the turbine shaft is positioned, an existing method usually uses a three-jaw chuck for positioning, and the existing three-jaw chuck is more accurate in positioning a regular cylindrical object with a circular cross section.
According to the chinese patent with publication number CN211218738U, a special fixture for finish machining of a turbine shaft is disclosed, which comprises a three-jaw chuck and a bottom plate, wherein the three-jaw chuck is installed at one end of the bottom plate through a gear box, a clamping plate is welded and fixed at the clamping end of each clamping jaw of the three-jaw chuck, a plurality of fixing rods are fixed at the bottom of a driving disc inside the three-jaw chuck, and the end parts of the fixing rods extend into positioning holes.
The utility model has the advantages that the end part of the turbine shaft is pushed while the three-jaw chuck is tightened, so that the disc on the turbine shaft is tightly attached to the positioning plate, the turbine shaft is ensured to be vertical to the three-jaw chuck, and the turbine shaft can be coincided with the axis of rotation under the clamping of the positioning plate, thereby greatly improving the fixing precision of the turbine shaft; when the clamping jaw clamps the turbine shaft, the clamping jaw is provided with the lines on one side so as to clamp the turbine shaft conveniently, and the clamping jaw is high in rigidity and strength, so that the clamping jaw with high strength can clamp a certain mark on the turbine shaft easily in the process of clamping and fixing the turbine shaft, and the assembly precision of the turbine shaft is further influenced easily; simultaneously, when the device carries out the centre gripping to the turbine shaft of different length, need be through promoting the mount pad for the tip cone is close to the turbine shaft, makes at the in-process that promotes the mount pad, makes the tip cone strike the locating hole of turbine shaft one side easily, and then causes the wearing and tearing of certain degree to turbine shaft and tip cone easily.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: in order to solve the problems that an impression is easy to generate when the turbine shaft is clamped by the clamping jaws and the turbine shaft and the tip cone are easy to wear when the position of the tip cone is adjusted, the special clamp for finish machining of the turbine shaft is provided.
In order to achieve the above object, the utility model provides a following technical scheme: a special fixture for finish machining of a turbine shaft comprises a workbench, wherein an electric appliance box and a mounting seat are respectively installed at the top of the workbench, an operation panel is installed on the outer surface of the electric appliance box, a three-jaw chuck is installed on one side of the electric appliance box, a groove and a clamping hole are respectively formed in one side of the three-jaw chuck, a clamping jaw is installed inside the groove, a turbine shaft is arranged inside the clamping hole, a sliding groove and a through hole are respectively formed in one side of the clamping jaw, a sliding block is installed inside the sliding groove, a clamping block is installed at the bottom of the sliding block, a second spring is installed inside the through hole, a limiting rod penetrating into the sliding groove is installed at one end of the second spring, a cylinder is installed at the top of the mounting seat, a bearing is installed at the output end of the cylinder through a piston rod, a rotating shaft is installed inside the bearing, and a fixing plate is fixed at one end of the rotating shaft, a first spring and a telescopic rod are respectively installed on one side of the fixing plate, and a tip cone is installed at one end of the first spring.
Preferably, the through hole is located right above the sliding groove and communicated with the sliding groove.
Preferably, the clamp splice passes through slider and spout sliding connection, one side of clamp splice is the arc, just the clamp splice adopts the rubber material preparation to form.
Preferably, the telescopic rod is located inside the first spring.
Preferably, the operation panel is electrically connected to the cylinder.
Preferably, the bottom of the workbench is provided with support legs all around, and the bottom of each support leg is provided with an anti-skid pad.
Preferably, the limiting rod is located inside the second spring, and the length of the limiting rod is smaller than that of the clamping jaw.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a be provided with the clamp splice, the slider, the spout, the through-hole, second spring and gag lever post, the staff can be earlier through installing the clamp splice in one side of jack catch, make when installing the clamp splice, the staff is earlier through mentioning the gag lever post, make the gag lever post drive the second spring tensile, and then make the gag lever post open the spout, afterwards alright through installing the slider in the spout, through having accomplished the installation to the clamp splice after the slider slides in the spout, afterwards alright loosen the gag lever post, make the second spring drive the gag lever post and move to the spout in receiving the tensile tension that produces after drawing, and then make the gag lever post carry out spacing fixed to the slider, afterwards alright clamp the turbine shaft through the clamp splice of rubber material and press from both sides fixedly, in order to avoid producing the indentation to the turbine shaft;
2. the utility model discloses a be provided with the rotation axis, the fixed plate, first spring and telescopic link, when the turbine shaft to different length carries out the centre gripping fixed, because one side of turbine shaft presss from both sides tightly fixedly through the three-jaw chuck, subsequently the staff alright through promoting the mount pad, make the tip cone be close to in the locating hole of turbine shaft one side, make the tip cone will extrude first spring and telescopic link at the in-process tip cone that contacts with the turbine shaft, and then avoided the mount pad to drive the in-process that the tip cone moved and lead to the fact the impact to the turbine shaft, make first spring carry out effectual absorption to the impact of tip cone and turbine shaft, in order to prevent that tip cone and turbine shaft from receiving wearing and tearing.
Drawings
FIG. 1 is a schematic view of the front structure of the workbench of the present invention;
FIG. 2 is a schematic side view of the three-jaw chuck of the present invention;
FIG. 3 is a schematic view of a front cross-section structure of the three-jaw chuck of the present invention;
fig. 4 is an enlarged view of a portion a of fig. 1 according to the present invention;
fig. 5 is an enlarged view of the point B in fig. 3 according to the present invention.
In the figure: 1. a work table; 2. an electrical box; 3. a three-jaw chuck; 4. a claw; 5. a turbine shaft; 6. a tip cone; 7. a bearing; 8. a piston rod; 9. a cylinder; 10. a mounting seat; 11. an operation panel; 12. a clamping hole; 13. a limiting rod; 14. a clamping block; 15. a groove; 16. a rotating shaft; 17. a fixing plate; 18. a first spring; 19. a telescopic rod; 20. a slider; 21. a chute; 22. a through hole; 23. a second spring; 24. and (3) a support leg.
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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "disposed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. The following describes an embodiment of the present invention according to its overall structure.
Referring to fig. 1-5, a special fixture for finish machining of a turbine shaft comprises a workbench 1, an electrical box 2, a three-jaw chuck 3, a jaw 4, a turbine shaft 5, a tip cone 6, a bearing 7, a piston rod 8, a cylinder 9, a mounting seat 10, an operation panel 11, a clamping hole 12, a limiting rod 13, a clamping block 14, a groove 15, a rotating shaft 16, a fixing plate 17, a first spring 18, an expansion rod 19, a sliding block 20, a sliding groove 21, a through hole 22, a second spring 23 and a supporting leg 24; an electric appliance box 2 and a mounting seat 10 are respectively installed on the top of a workbench 1, an operation panel 11 is installed on the outer surface of the electric appliance box 2, a three-jaw chuck 3 is installed on one side of the electric appliance box 2, a groove 15 and a clamping hole 12 are respectively formed on one side of the three-jaw chuck 3, a clamping jaw 4 is installed inside the groove 15, a turbine shaft 5 is arranged inside the clamping hole 12, a sliding groove 21 and a through hole 22 are respectively formed on one side of the clamping jaw 4, a sliding block 20 is installed inside the sliding groove 21, a clamping block 14 is installed at the bottom of the sliding block 20, a second spring 23 is installed inside the through hole 22, a limiting rod 13 penetrating into the sliding groove 21 is installed at one end of the second spring 23, an air cylinder 9 is installed on the top of the mounting seat 10, a bearing 7 is installed at the output end of the air cylinder 9 through a piston rod 8, a rotating shaft 16 is installed inside the bearing, one end of the first spring 18 is fitted with a nose cone 6.
Please refer to fig. 2, fig. 3 and fig. 5, the through hole 22 is located right above the sliding slot 21, and the through hole 22 is communicated with the sliding slot 21, so that the limiting rod 13 can move in the sliding slot 21 and the through hole 22; the clamping block 14 is connected with the sliding groove 21 in a sliding mode through the sliding block 20, one side of the clamping block 14 is arc-shaped, and the clamping block 14 is made of rubber materials, so that the clamping block 14 can slide in the sliding groove 21 through the sliding block 20, and the clamping block 14 can be disassembled and assembled conveniently.
Please refer to fig. 1 and 4, the extension rod 19 is located inside the first spring 18, so that the extension rod 19 can limit the first spring 18 to prevent the first spring 18 from deviating; the operation panel 11 is electrically connected to the cylinder 9, so that a worker can open or close the cylinder 9 through the operation panel 11.
Please refer to fig. 1-3, the support legs 24 are installed around the bottom of the working platform 1, and the bottom of the support legs 24 is installed with the anti-skid pads, so that the support legs 24 support the working platform 1 more stably; the limiting rod 13 is located inside the second spring 23, and the length of the limiting rod 13 is smaller than that of the clamping jaw 4, so that the limiting rod 13 can limit the second spring 23 to prevent the second spring 23 from deviating.
The working principle is as follows: firstly, the worker can install the clamping block 14 on one side of the clamping jaw 4, so that when the clamping block 14 is installed, the worker can install the sliding block 20 in the sliding groove 21 by lifting the limiting rod 13, so that the limiting rod 13 drives the second spring 23 to stretch, and further the limiting rod 13 opens the sliding groove 21, and then the sliding block 20 is installed in the sliding groove 21, the installation of the clamping block 14 is completed after the sliding block 20 slides in the sliding groove 21, and then the limiting rod 13 can be loosened, so that the second spring 23 drives the limiting rod 13 to move in the sliding groove 21 under the tension generated after stretching, and further the limiting rod 13 limits and fixes the sliding block 20, and then the bottom end of the turbine shaft 5 can be clamped and fixed through the clamping block 14 made of rubber, and then the worker can enable the tip cone 6 to approach to a positioning hole at one end of the turbine shaft 5 by pushing the installation seat 10, so that the tip cone 6 extrudes the first spring 18 and the telescopic rod in the process of contacting with the turbine shaft 5 19, and then avoided the mount pad 10 to drive the in-process that the tip cone 6 moved and to the impact that turbine shaft 5 caused, carry out spacing fixed with mount pad 10 afterwards, alright start cylinder 9 through operating panel 11 simultaneously for cylinder 9 drives the extension of piston rod 8, and piston rod 8 drives tip cone 6 and removes, thereby makes tip cone 6 support tightly turbine shaft 5.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. The utility model provides a finish machining special fixture of turbine shaft, includes workstation (1), its characterized in that: an electric appliance box (2) and a mounting seat (10) are respectively installed at the top of the workbench (1), an operation panel (11) is installed on the outer surface of the electric appliance box (2), a three-jaw chuck (3) is installed on one side of the electric appliance box (2), a groove (15) and a clamping hole (12) are respectively formed in one side of the three-jaw chuck (3), a clamping jaw (4) is installed inside the groove (15), a turbine shaft (5) is arranged inside the clamping hole (12), a sliding groove (21) and a through hole (22) are respectively formed in one side of the clamping jaw (4), a sliding block (20) is installed inside the sliding groove (21), a clamping block (14) is installed at the bottom of the sliding block (20), a second spring (23) is installed inside the through hole (22), a limiting rod (13) penetrating into the sliding groove (21) is installed at one end of the second spring (23), cylinder (9) are installed at the top of mount pad (10), bearing (7) are installed through piston rod (8) to the output of cylinder (9), the internally mounted of bearing (7) has rotation axis (16), the one end of rotation axis (16) is fixed with fixed plate (17), first spring (18) and telescopic link (19) are installed respectively to one side of fixed plate (17), tip cone (6) are installed to the one end of first spring (18).
2. The special fixture for finish machining of the turbine shaft of claim 1, wherein: the through hole (22) is located right above the sliding groove (21), and the through hole (22) is communicated with the sliding groove (21).
3. The special fixture for finish machining of the turbine shaft of claim 1, wherein: the clamping block (14) is connected with the sliding groove (21) in a sliding mode through the sliding block (20), one side of the clamping block (14) is arc-shaped, and the clamping block (14) is made of rubber materials.
4. The special fixture for finish machining of the turbine shaft of claim 1, wherein: the telescopic rod (19) is positioned inside the first spring (18).
5. The special fixture for finish machining of the turbine shaft of claim 1, wherein: the operation panel (11) is electrically connected with the cylinder (9).
6. The special fixture for finish machining of the turbine shaft of claim 1, wherein: all install stabilizer blade (24) around the bottom of workstation (1), just the slipmat is installed to the bottom of stabilizer blade (24).
7. The special fixture for finish machining of the turbine shaft of claim 1, wherein: the limiting rod (13) is located inside the second spring (23), and the length of the limiting rod (13) is smaller than that of the clamping jaw (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023293132.8U CN214212265U (en) | 2020-12-30 | 2020-12-30 | Special clamp for finish machining of turbine shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023293132.8U CN214212265U (en) | 2020-12-30 | 2020-12-30 | Special clamp for finish machining of turbine shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214212265U true CN214212265U (en) | 2021-09-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023293132.8U Active CN214212265U (en) | 2020-12-30 | 2020-12-30 | Special clamp for finish machining of turbine shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214212265U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115070564A (en) * | 2022-07-08 | 2022-09-20 | 南通奥里斯特机械有限公司 | Nodular cast iron grinding device with clearance structure |
| CN118721042A (en) * | 2024-07-29 | 2024-10-01 | 东莞市协赢胶辊有限公司 | A sandblasting and grinding machine for rubber roller shaft core |
-
2020
- 2020-12-30 CN CN202023293132.8U patent/CN214212265U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115070564A (en) * | 2022-07-08 | 2022-09-20 | 南通奥里斯特机械有限公司 | Nodular cast iron grinding device with clearance structure |
| CN118721042A (en) * | 2024-07-29 | 2024-10-01 | 东莞市协赢胶辊有限公司 | A sandblasting and grinding machine for rubber roller shaft core |
| CN118721042B (en) * | 2024-07-29 | 2025-03-14 | 东莞市协赢胶辊有限公司 | Sand blasting and polishing integrated machine for rubber roll shaft core |
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