CN115351731B - Clamping mechanism for special-shaped complex curved surface - Google Patents
Clamping mechanism for special-shaped complex curved surface Download PDFInfo
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- CN115351731B CN115351731B CN202211279323.XA CN202211279323A CN115351731B CN 115351731 B CN115351731 B CN 115351731B CN 202211279323 A CN202211279323 A CN 202211279323A CN 115351731 B CN115351731 B CN 115351731B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
Abstract
The invention relates to the field of clamps, in particular to a clamping mechanism for a special-shaped complex curved surface. A frame-shaped supporting plate is connected between the bottom plate and the top plate through a first bolt; the outer side of the special-shaped complex curved surface workpiece is provided with a special-shaped curved surface blade; a vertically upward positioning rod is matched in the threaded mounting hole, the positioning rod is in clearance fit with the shaft hole, and the upper end of the positioning rod extends out of the shaft hole and is matched with a compression nut; and stabilizing devices matched with the two special-shaped curved surface blades are arranged on two sides of the lower part of the top plate. According to the clamping mechanism for the special-shaped complex curved surface, the positioning rod is connected to the bottom plate, so that a special-shaped complex curved surface workpiece is matched with the positioning rod; then placing a top plate, connecting the top plate through a first bolt, and further clamping and fixing; then, the stabilizing device is matched with the special-shaped curved surface blade to stabilize the special-shaped curved surface blade and avoid damage. The clamping device can not only ensure stable clamping, but also ensure that the workpiece can not be greatly damaged, and has the characteristics of simple structure, convenient and stable clamping and damage reduction.
Description
Technical Field
The invention relates to the field of clamps, in particular to a clamping mechanism for a special-shaped complex curved surface.
Background
With the emergence and development of various machining technologies, the special-shaped complex curved surface has been widely applied to various high-precision industrial products, and the special-shaped complex curved surface is set as an important working surface in many fields of marginal science and high technology, such as turbines of aircraft engines and automobile engines. When the special-shaped complex curved surface workpieces are machined, stable clamping is guaranteed, and the workpieces cannot be greatly damaged, so that a special clamping mechanism needs to be designed.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a clamping mechanism for a special-shaped complex curved surface.
The technical scheme adopted by the invention is as follows: a clamping mechanism for a special-shaped complex curved surface comprises a special-shaped complex curved surface workpiece, a bottom plate and a top plate, wherein a frame-shaped supporting plate is connected between the bottom plate and the top plate through a first bolt; the center of the special-shaped complex curved surface workpiece is provided with a through shaft hole, and the outer side of the special-shaped complex curved surface workpiece is provided with a special-shaped curved surface blade; the bottom plate is provided with a threaded mounting hole, a positioning rod which is vertically upward is matched in the threaded mounting hole, the positioning rod is in clearance fit with the shaft hole, and the upper end of the positioning rod extends out of the shaft hole and is matched with a compression nut; and stabilizing devices matched with the two special-shaped curved surface blades are arranged on two sides of the lower part of the top plate.
In order to better realize the invention, the stabilizing device comprises a mounting belt arranged at the bottom of the top plate, the lower end of the mounting belt is detachably arranged on the bottom plate, a through threaded shaft is arranged on the mounting belt, and locking nuts are matched at two ends of the threaded shaft; the special-shaped curved surface blade clamping device is characterized by further comprising two clamping plates, wherein one ends of the two clamping plates are clamping parts and are clamped on the side parts of the special-shaped curved surface blade, and the other ends of the two clamping plates are supporting parts and are matched between the locking nut and the mounting belt.
In order to better realize the invention, a clamping bolt is matched between the two clamping plates and is arranged in the middle between the clamping part and the supporting part.
In order to better implement the invention, an elastic rubber pad is arranged along the edge of the clamping part.
In order to better realize the invention, a first base plate freely penetrating through the positioning rod is arranged between the special-shaped complex curved surface workpiece and the bottom plate, and a second base plate freely penetrating through the positioning rod is arranged between the compression nut and the special-shaped complex curved surface workpiece.
In order to better realize the invention, a screw hole penetrating from the top to the bottom is arranged on the compression nut and matched with a corresponding screw.
In order to better realize the invention, a sand inlet is arranged on the top plate, and a sand outlet is arranged on the bottom plate.
In order to better realize the invention, a through hole matched with the compression nut is arranged in the middle of the top plate, and a compression ring is arranged outside the through hole; the clamp ring is connected with the top plate through the partition plates, and a sand inlet is formed between every two adjacent partition plates.
In order to better realize the invention, the clearance between the compression ring and the compression nut is a, and a is more than or equal to 2mm and less than or equal to 4mm.
In order to better realize the invention, the bottom plate and the top plate are both made of high manganese steel.
The invention has the beneficial effects that:
compared with the prior art, the clamping mechanism for the special-shaped complex curved surface, disclosed by the invention, has the advantages that through the matching of the bottom plate, the top plate, the frame-shaped supporting plate, the special-shaped complex curved surface workpiece, the special-shaped curved surface blade, the positioning rod, the compression nut, the stabilizing device and the like, firstly, the positioning rod is connected to the bottom plate, so that the special-shaped complex curved surface workpiece is matched with the positioning rod; then placing a top plate, connecting the top plate through a first bolt, and further clamping and fixing; then let stabilising arrangement and special-shaped curved surface blade cooperation, stabilize special-shaped curved surface blade, avoid the damage. The clamping device can not only ensure stable clamping, but also ensure that the workpiece can not be greatly damaged, and has the characteristics of simple structure, convenient and stable clamping and damage reduction.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments of the present invention or in the description of the prior art will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of a clamping mechanism for a special-shaped complex curved surface according to the present invention;
FIG. 2 is a schematic structural diagram of a clamping plate of the clamping mechanism for a special-shaped complex curved surface according to the present invention;
FIG. 3 is a schematic view of a construction of a clamping mechanism for a contoured complex curved surface compression nut of the present invention;
FIG. 4 is a schematic structural view of a top plate of a clamping mechanism for a specially-shaped complex curved surface according to the present invention;
in the figure, 1-bottom plate, 2-top plate, 3-frame type supporting plate, 4-special-shaped complex curved surface workpiece, 5-special-shaped curved surface blade, 6-shaft hole, 7-positioning rod, 8-gland nut, 9-screw, 10-second cushion plate, 11-first cushion plate, 12-clamp ring, 13-sand outlet, 14-first bolt, 15-mounting belt, 16-threaded shaft, 17-lock nut, 18-clamping plate, 19-arc notch, 20-clamping bolt, 21-elastic rubber pad, 22-partition plate, 23-sand inlet.
Detailed Description
The following description provides many different embodiments, or examples, for implementing different features of the invention. The particular examples set forth below are intended as a brief description of the invention and are not intended as limiting the scope of the invention.
As shown in fig. 1 to 4, in the present embodiment, a clamping mechanism for a special-shaped complex curved surface includes a special-shaped complex curved surface workpiece 4, a bottom plate 1 and a top plate 2, wherein a frame-shaped support plate 3 is connected between the bottom plate 1 and the top plate 2 through a first bolt 14; the center of the special-shaped complex curved surface workpiece 4 is provided with a through shaft hole 6, and the outer side of the special-shaped complex curved surface workpiece 4 is provided with a special-shaped curved surface blade 5; a threaded mounting hole is formed in the bottom plate 1, a positioning rod 7 which is vertically upward is matched in the threaded mounting hole, the positioning rod 7 is in clearance fit with the shaft hole 6, and the upper end of the positioning rod 7 extends out of the shaft hole 6 and is matched with a compression nut 8; and stabilizing devices matched with the two special-shaped curved surface blades 5 are arranged on two sides of the lower part of the top plate 2. Compared with the prior art, the clamping mechanism for the special-shaped complex curved surface is characterized in that the positioning rod 7 is connected to the bottom plate 1 through the matching of the bottom plate 1, the top plate 2, the frame-shaped supporting plate 3, the special-shaped complex curved surface workpiece 4, the special-shaped curved surface blade 5, the positioning rod 7, the compression nut 8, the stabilizing device and the like, so that the special-shaped complex curved surface workpiece 4 is matched with the positioning rod 7; then placing the top plate 2, connecting through a first bolt 14, and further clamping and fixing; then, the stabilizing device is matched with the special-shaped curved surface blade 5 to stabilize the special-shaped curved surface blade 5 and avoid damage. The clamping device can not only ensure stable clamping, but also ensure that the workpiece can not be greatly damaged, and has the characteristics of simple structure, convenient and stable clamping and damage reduction.
Preferably, the stabilizing device comprises a mounting belt 15 arranged at the bottom of the top plate 2, the lower end of the mounting belt 15 is detachably mounted on the bottom plate 1, a through threaded shaft 16 is arranged on the mounting belt 15, and locking nuts 17 are matched at two ends of the threaded shaft 16; the special-shaped curved blade is characterized by further comprising two clamping plates 18, wherein one end of each clamping plate 18 is a clamping part and clamped on the side part of the special-shaped curved blade 5, and the other end of each clamping plate 18 is a supporting part and matched between the lock nut 17 and the mounting belt 15. The mounting band 15 is generally made of an elastic steel plate, has rigidity and certain flexibility, can absorb certain vibration, and reduces damage to the special-shaped curved surface blade 5. The clamping parts of the two clamping plates 18 are respectively clamped on two sides of the special-shaped curved surface blade 5, and the supporting parts are matched with the locking nuts 17 and the threaded shafts 16 for locking, so that the clamping is convenient, and the installation and the disassembly are convenient. The supporting portion can be provided with a through hole for the threaded shaft 16 to pass through, but the installation and the disassembly are inconvenient, so that an arc-shaped notch 19 is preferably arranged, and the arc-shaped notch 19 is matched with the threaded shaft 16. It should be noted that the clamping plate 18 may be specially configured according to the shape of the profiled-surface blade 5.
Preferably, as shown in fig. 2, a clamping bolt 20 is further fitted between the two clamping plates 18, and the clamping bolt 20 is disposed in the middle between the clamping portion and the supporting portion. With this arrangement, the clamping degree of the clamping portion can be adjusted by adjusting the clamping degree of the clamping bolt 20. Preferably, an elastic rubber pad 21 is arranged along the edge of the clamping part, so that the damage to the special-shaped curved blade 5 can be reduced after the design. Can set up wear pad at the edge of elastomeric pad 21, block the dull polish and wash elastomeric pad 21, improve the wearability.
Preferably, a first pad 11 freely penetrating the positioning rod 7 is arranged between the special-shaped complex curved surface workpiece 4 and the bottom plate 1, and a second pad 10 freely penetrating the positioning rod 7 is arranged between the compression nut 8 and the special-shaped complex curved surface workpiece 4. The first cushion plate 11 and the second cushion plate 10 are used in a matched mode, so that damage to the upper end face and the lower end face of the special-shaped complex curved surface workpiece 4 can be reduced.
Preferably, as shown in fig. 3, the compression nut 8 is provided with a screw hole penetrating from the top to the bottom and is matched with a corresponding screw 9. After the design, after the compression nut 8 is sleeved on the end part of the positioning rod 7, the compression nut can be screwed and pressed on the first cushion plate 11 through the rotating screw 9 by the screw 9, so that the fine adjustment of the compression force is carried out.
Preferably, as shown in fig. 4, a sand inlet 23 is arranged on the top plate 2, a sand outlet 13 is arranged on the bottom plate 1, a through hole adapted to the compression nut 8 is arranged in the middle of the top plate 2, and a compression ring 12 is arranged outside the through hole; the compression ring 12 is connected with the top plate 2 through partition plates 22, and a sand inlet 23 is formed between every two adjacent partition plates 22. When the special-shaped complex curved surface workpiece 4 is sanded, the sand enters from the sand inlet 23 and then exits from the sand outlet 13, so that the special-shaped complex curved surface workpiece 4 and the surface of the special-shaped curved surface blade 5 are conveniently sanded. For the clamping position of the clamping plate 18, sanding cannot be achieved while clamping, so that after sanding is carried out for a period of time, the clamping plate 18 can be loosened to rotate the positioning rod 7, the clamping plate 18 is enabled to clamp other profiled curved blades 5 which are already sanded, and the operation is repeated until all the profiled curved blades 5 are sanded to meet the technological requirements. Preferably, the clearance between the compression ring 12 and the compression nut 8 is a, and a is more than or equal to 2mm and less than or equal to 4mm. The bottom plate 1 and the top plate 2 are both made of high manganese steel, have high wear resistance and can avoid overlarge damage in a sanding process.
The above description is intended to be illustrative of the preferred embodiment of the present invention and should not be taken as limiting the invention, but rather, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.
Claims (3)
1. The utility model provides a clamping mechanism for special-shaped complicated curved surface which characterized in that: the special-shaped complex curved surface workpiece machining device comprises a special-shaped complex curved surface workpiece (4), a bottom plate (1) and a top plate (2), wherein a frame-shaped supporting plate (3) is connected between the bottom plate (1) and the top plate (2) through a first bolt (14); the center of the special-shaped complex curved surface workpiece (4) is provided with a through shaft hole (6), and the outer side of the special-shaped complex curved surface workpiece (4) is provided with a special-shaped curved surface blade (5); a threaded mounting hole is formed in the bottom plate (1), a positioning rod (7) which is vertically upward is matched in the threaded mounting hole, the positioning rod (7) is in clearance fit with the shaft hole (6), and the upper end of the positioning rod (7) extends out of the shaft hole (6) and is matched with a compression nut (8); stabilizing devices matched with the two special-shaped curved surface blades (5) are arranged on two sides of the lower part of the top plate (2);
the stabilizing device comprises a mounting belt (15) arranged at the bottom of the top plate (2), the lower end of the mounting belt (15) is detachably mounted on the bottom plate (1), a penetrating threaded shaft (16) is arranged on the mounting belt (15), and locking nuts (17) are matched with two ends of the threaded shaft (16); the special-shaped curved surface blade is characterized by further comprising two clamping plates (18), wherein one end of each clamping plate (18) is a clamping part and clamped on the side part of the special-shaped curved surface blade (5), and the other end of each clamping plate (18) is a supporting part and matched between a lock nut (17) and an installation belt (15);
a clamping bolt (20) is matched between the two clamping plates (18), and the clamping bolt (20) is arranged in the middle between the clamping part and the supporting part;
an elastic rubber pad (21) is arranged along the edge of the clamping part, and a wear-resistant sheet is arranged at the edge of the elastic rubber pad (21);
a first cushion plate (11) freely penetrating through the positioning rod (7) is arranged between the special-shaped complex curved surface workpiece (4) and the bottom plate (1), and a second cushion plate (10) freely penetrating through the positioning rod (7) is arranged between the compression nut (8) and the special-shaped complex curved surface workpiece (4);
the compression nut (8) is provided with a screw hole penetrating from the top to the bottom and matched with a corresponding screw (9);
a sand inlet (23) is arranged on the top plate (2), and a sand outlet (13) is arranged on the bottom plate (1);
a through hole matched with the compression nut (8) is formed in the middle of the top plate (2), and a compression ring (12) is arranged outside the through hole; the clamp ring (12) is connected with the top plate (2) through partition plates (22), and a sand inlet (23) is formed between every two adjacent partition plates (22).
2. The clamping mechanism for the special-shaped complex curved surface as claimed in claim 1, wherein: the clearance between the compression ring (12) and the compression nut (8) is a, and a is more than or equal to 2mm and less than or equal to 4mm.
3. The clamping mechanism for the special-shaped complex curved surface as claimed in claim 1, wherein: the bottom plate (1) and the top plate (2) are both made of high manganese steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211279323.XA CN115351731B (en) | 2022-10-19 | 2022-10-19 | Clamping mechanism for special-shaped complex curved surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211279323.XA CN115351731B (en) | 2022-10-19 | 2022-10-19 | Clamping mechanism for special-shaped complex curved surface |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115351731A CN115351731A (en) | 2022-11-18 |
| CN115351731B true CN115351731B (en) | 2023-02-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211279323.XA Active CN115351731B (en) | 2022-10-19 | 2022-10-19 | Clamping mechanism for special-shaped complex curved surface |
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| Country | Link |
|---|---|
| CN (1) | CN115351731B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US6568993B1 (en) * | 2001-12-13 | 2003-05-27 | General Electric Company | Fixture for clamping a gas turbine component and its use in shaping the gas turbine component |
| CN205218398U (en) * | 2015-12-17 | 2016-05-11 | 温岭市新动力机械有限公司 | Impeller jig for welding |
| CN105935790A (en) * | 2016-05-19 | 2016-09-14 | 武汉船用机械有限责任公司 | Drilling tooling for impeller |
| CN106335010A (en) * | 2016-11-18 | 2017-01-18 | 济南大学 | Clamping device for automobile turbocharger impeller shot blast cleaning |
| CN205928019U (en) * | 2016-08-29 | 2017-02-08 | 山东韬浦泵业有限公司 | Inclined to one side child frock of inclined to one side impeller car of car |
| CN208713725U (en) * | 2018-08-28 | 2019-04-09 | 无锡永兴机械制造有限公司 | A kind of press-loading apparatus for impeller sandblasting |
| CN111015315A (en) * | 2019-12-31 | 2020-04-17 | 保定向阳航空精密机械有限公司 | Auxiliary clamping device for hydraulic type turbine disc tool for disc |
| CN112873061A (en) * | 2021-01-25 | 2021-06-01 | 杭州佐勋信息技术有限公司 | Fan impeller surface treatment device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006058675A1 (en) * | 2006-12-13 | 2008-06-19 | Mtu Aero Engines Gmbh | Device and method for surface blasting of a component of a gas turbine |
| CN204711440U (en) * | 2015-04-30 | 2015-10-21 | 上海东方泵业(集团)有限公司 | A kind of seam impeller clamping device |
| CN110722376B (en) * | 2019-10-30 | 2021-06-22 | 襄阳五二五泵业有限公司 | Clamping device for processing semi-open impeller |
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2022
- 2022-10-19 CN CN202211279323.XA patent/CN115351731B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6568993B1 (en) * | 2001-12-13 | 2003-05-27 | General Electric Company | Fixture for clamping a gas turbine component and its use in shaping the gas turbine component |
| CN205218398U (en) * | 2015-12-17 | 2016-05-11 | 温岭市新动力机械有限公司 | Impeller jig for welding |
| CN105935790A (en) * | 2016-05-19 | 2016-09-14 | 武汉船用机械有限责任公司 | Drilling tooling for impeller |
| CN205928019U (en) * | 2016-08-29 | 2017-02-08 | 山东韬浦泵业有限公司 | Inclined to one side child frock of inclined to one side impeller car of car |
| CN106335010A (en) * | 2016-11-18 | 2017-01-18 | 济南大学 | Clamping device for automobile turbocharger impeller shot blast cleaning |
| CN208713725U (en) * | 2018-08-28 | 2019-04-09 | 无锡永兴机械制造有限公司 | A kind of press-loading apparatus for impeller sandblasting |
| CN111015315A (en) * | 2019-12-31 | 2020-04-17 | 保定向阳航空精密机械有限公司 | Auxiliary clamping device for hydraulic type turbine disc tool for disc |
| CN112873061A (en) * | 2021-01-25 | 2021-06-01 | 杭州佐勋信息技术有限公司 | Fan impeller surface treatment device |
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| CN115351731A (en) | 2022-11-18 |
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