CN108907838B - Thin wall solid of revolution part self-adaptation anchor clamps - Google Patents
Thin wall solid of revolution part self-adaptation anchor clamps Download PDFInfo
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- CN108907838B CN108907838B CN201811190352.2A CN201811190352A CN108907838B CN 108907838 B CN108907838 B CN 108907838B CN 201811190352 A CN201811190352 A CN 201811190352A CN 108907838 B CN108907838 B CN 108907838B
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- main shaft
- base
- sleeve
- block
- connecting block
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/12—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for securing to a spindle in general
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/0032—Arrangements for preventing or isolating vibrations in parts of the machine
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q2703/00—Work clamping
- B23Q2703/02—Work clamping means
- B23Q2703/10—Devices for clamping workpieces of a particular form or made from a particular material
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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Abstract
The invention relates to a thin-wall revolving body part self-adaptive clamp which mainly comprises a base, a sleeve, a main shaft and a supporting plate, and is characterized in that: the base passes through the screw connection with the bottom plate, draw the piece, pressing plates, adjusting bolt, the adjusting bolt equipartition is in the base outside, base and bottom plate middle part are arranged in to the main shaft, sleeve and main shaft cooperation, main shaft gear and sleeve gear pass through the parallel key and link to each other with main shaft and sleeve respectively, upper end cover and last connecting block, the cylindric lock has all been placed between lower end cover and the lower connecting block, and all pass through the screw connection, go up connecting block and main shaft threaded end cooperation, lower connecting block and sleeve threaded end cooperation, the tip and the cylindric lock of upper bracket and lower carriage are connected, the main aspects passes through bolted connection with the backup pad, the gyro wheel is equipped with to the backup pad bottom, anchor clamps are whole to be fixed. The invention can clamp revolving body parts with different shapes and has the characteristics of stability, reliability, convenience and quickness.
Description
Technical Field
The invention relates to a revolving body machining clamp, in particular to a thin-wall revolving body part self-adaptive clamp.
Background
Thin-wall rotary parts are commonly used in the aerospace field, such as rocket shells and aeroengine casings. The shapes of the revolution bodies involved include cylindrical and conical shapes, and stepped forms. The parts are made of high-temperature alloy and have the characteristics of high processing difficulty and high precision requirement. Meanwhile, the surface of the thin-wall revolving body part is a surface to be processed and is not suitable for clamping and fixing, so that the selection of the clamping position of the part is greatly limited. When the thin-wall revolving body part is machined, a corresponding clamp is required to clamp, and the machining of different characteristics of the wall surface is completed under the action of a cutter of a five-axis machining center. However, different types of parts need different clamps, which greatly increases the processing cost, and wastes the parts which are not used after the processing is finished. Therefore, aiming at the characteristics and the processing characteristics of thin-wall revolving body parts, it becomes necessary to design a fixture which can meet the requirements of revolving body parts with different shapes and is reliable in clamping.
Disclosure of Invention
The invention aims to solve the problems and provides a self-adaptive clamp for thin-wall rotary parts to realize reliable clamping of parts of different types.
The purpose of the invention is realized by the following technical scheme: the utility model provides a thin wall solid of revolution part self-adaptation anchor clamps, mainly includes base, sleeve, main shaft, backup pad, its characterized in that: the base is connected with the bottom plate through screws, the pull block, the pressing plate, the adjusting bolts and the adjusting screws are uniformly distributed on the outer side of the base, the main shaft is arranged in the middle of the base and the bottom plate, the sleeve is matched with the main shaft, the main shaft gear and the sleeve gear are respectively connected with the main shaft and the sleeve through flat keys, tapered roller bearings are respectively arranged between the main shaft gear and the bottom plate and between the sleeve gear and the base, the thrust bearing is arranged between the sleeve boss and the main shaft boss, cylindrical pins are respectively arranged between the upper end cover and the upper connecting block and between the lower end cover and the lower connecting block and are respectively connected through screws, threads are respectively arranged in the middle of the upper connecting block and the lower connecting block, the upper connecting block is matched with the threaded end of the main shaft, the lower connecting block is matched with the threaded end of the sleeve, the small ends of the, the whole fixture is fixed with a machine tool through a base and a U-shaped groove at the edge of the bottom plate.
Six grooves are formed in the edges of the upper end cover, the upper connecting block, the lower end cover and the lower connecting block, six arc grooves are formed in the surface of the upper end cover, the upper connecting block, the lower end cover and the lower connecting block, and the cylindrical pin is arranged in the arc grooves.
The back of the supporting plate is provided with a plurality of pairs of lifting lugs which are respectively connected with an upper support, a lower support and a roller.
The surface of the shock absorption block is interrupted and provided with a chip removal groove, and the bottom of the shock absorption block is provided with a square groove.
The outer side of the base is uniformly provided with adjusting holes, positioning holes and a settling platform, the upper ends of the adjusting holes are communicated with the surface of the base, the pulling block is arranged in the adjusting holes, the lower ends of the adjusting bolts are arranged in the positioning holes, the upper ends of the adjusting bolts are matched with the circular holes at the end parts of the pressing plates, and the adjusting screws penetrate through the through grooves in the middle of the pressing plates and are connected with the pulling block through threads; the middle part of the surface of the base is provided with a track groove, and the roller is matched with the track groove.
One end of the pull block is a pull ring, the other end of the pull block is a cylindrical block, and a threaded hole is formed in the cylindrical surface of the cylindrical block.
The cylinder hole has been seted up to clamp plate one end, and logical groove has been seted up at the middle part.
The invention has the beneficial effects that:
1. the upper support and the lower support are driven to do telescopic motion by rotating the main shaft and the sleeve, so that the self-adaptive adjustment of the radial distance and the inclination angle of the baffle on the base is realized. Meanwhile, the damping block can be detached and replaced from the baffle plate so as to be suitable for thin-wall revolving body parts of special models.
2. The damping block is made of rubber materials, and has good supporting and damping effects on thin-wall parts; chip removal grooves are discontinuously formed in the surface of the damping block, so that drilling processing is facilitated; the bottom of the baffle is provided with the roller, which can reduce the telescopic resistance and is beneficial to the position adjustment of the damping block.
3. One end of the pressure plate is connected with the adjusting bolt and is matched with the pull block through the adjusting screw, so that the adjustment of the rotating angle and the height can be realized; the bottom edge pressing requirements of thin-wall revolving body parts with different diameters and heights are met, and the operation is convenient and rapid.
Drawings
FIG. 1 is an assembly perspective view of a thin-wall revolved body part adaptive clamp;
FIG. 2 is a schematic diagram of a thin-wall revolving body part self-adaptive clamp for clamping a workpiece;
FIG. 3 is an assembled full sectional view of the thin-wall revolved body part adaptive clamp;
FIG. 4 is a perspective view of the spindle and sleeve;
FIG. 5 is a perspective view of the engagement of the clamp support adjustment portion;
FIG. 6 is a perspective view of a support plate and a damper block;
FIG. 7 is a perspective view of the base;
FIG. 8 is a perspective view of the engagement of the clamp clamping adjustment portion;
in the figure: 1-a damping block; 2-a base; 3-a workpiece; 4-a bottom plate; 5-a roller; 6-tapered roller bearings; 7-a flat bond; 8-a main shaft gear; 9-a thrust bearing; 10-a sleeve gear; 11-pulling the block; 12-a platen; 13-adjusting the bolt; 14-an adjusting screw; 15-lower support; 16-a sleeve; 17-a main shaft; 18-upper support; 19-a support plate; 20-upper end cover; 21-connecting a block; 22-lower connecting block; 23-lower end cap; 24-sleeve boss; 25-a spindle boss; 26-cylindrical pins; 27-arc groove; 28-square groove; 29-chip groove; 30-a conditioning aperture; 31-a positioning hole; 32-a settling table; 33-U-shaped groove; 34-track groove.
Detailed Description
The invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following.
As shown in fig. 1-5, a thin-wall revolving body part self-adaptive clamp mainly comprises a base 2, a sleeve 16, a main shaft 17 and a support plate 19, and is characterized in that: the base 2 is connected with the bottom plate 4 through screws, the pull block 11, the pressure plate 12, the adjusting bolt 13 and the adjusting bolt 4 are uniformly distributed on the outer side of the base 2, the main shaft 17 is arranged in the middle of the base 2 and the bottom plate 4, the sleeve 16 is matched with the main shaft 17, the main shaft gear 8 and the sleeve gear 10 are respectively connected with the main shaft 17 and the sleeve 16 through a flat key 7, tapered roller bearings 6 are respectively arranged between the main shaft gear 8 and the bottom plate 4 and between the sleeve gear 10 and the base 2, thrust bearings 9 are arranged between the sleeve bosses 24 and the main shaft bosses 25, cylindrical pins 26 are respectively arranged between the upper end cover 20 and the upper connecting block 21 and between the lower end cover 23 and the lower connecting block 22 and are respectively connected through screws, threads are respectively arranged in the middle of the upper connecting block 21 and the lower connecting block 22, the upper connecting block 21 is matched with the thread end of the main shaft 17, the lower connecting block, the big end is connected with the supporting plate 19 through a bolt, the bottom of the supporting plate 19 is provided with the roller 5 and is connected with the damping block 1 through a screw, and the whole clamp is fixed with a machine tool through the base 2 and the U-shaped groove 33 at the edge of the bottom plate 4.
As shown in fig. 5, six grooves are formed in the edges of the upper end cap 20, the upper connecting block 21, the lower end cap 23 and the lower connecting block 22, six arc grooves 27 are formed in the surfaces of the six grooves, and the cylindrical pin 26 is disposed inside the arc grooves 27.
As shown in fig. 6, a plurality of pairs of lifting lugs are arranged at the back of the supporting plate 19, and are respectively connected with the upper bracket 18, the lower bracket 15 and the roller 5.
As shown in fig. 6, the surface of the damper block 1 is intermittently provided with chip grooves 29, and the bottom of the damper block is provided with square grooves 28.
As shown in fig. 7, the outer side of the base 2 is uniformly provided with adjusting holes 30, positioning holes 31 and a settling platform 32, the upper ends of the adjusting holes 30 are communicated with the surface of the base 2, the pull block 11 is arranged in the adjusting holes 30, the lower end of the adjusting bolt 13 is arranged in the positioning hole 31, the upper end of the adjusting bolt is matched with a circular hole at the end part of the pressure plate 12, and the adjusting bolt 13 penetrates through a through groove in the middle part of the pressure plate 12 and is connected with the pull block; the middle part of the surface of the base is provided with a track groove 34, and the roller 5 is matched with the track groove 34.
As shown in fig. 8, one end of the pull block 11 is a pull ring, the other end is a cylindrical block, and a threaded hole is formed in the cylindrical surface of the cylindrical block.
As shown in fig. 8, one end of the pressing plate 12 is provided with a cylindrical hole, and the middle part thereof is provided with a through groove.
The specific embodiment is as follows:
assembling the fixture as shown in fig. 1, and vertically mounting the whole fixture device on a base of a five-axis vertical machining center; the main shaft gear 8 and the sleeve gear 10 are both connected with a power input device; the main shaft gear 8 and the sleeve gear 10 are respectively driven to rotate through a power input device, and each gear transmits power to the main shaft 17 and the sleeve 16; under the action of the track groove 34 on the surface of the base 2 and the gravity of the supporting part, the upper connecting block 21 and the lower connecting block 22 respectively move up and down on the main shaft 17 and the sleeve 16, so that the telescopic functions of the upper bracket 18 and the lower bracket 15 are realized, and the position and the inclination angle of the damping block 1 are adjusted to self-adaptively support the workpiece 3; the damping block 1 is contracted to a proper position, and a workpiece 3 is put into the damping block from top to bottom; adjusting the damping block 1 to be attached to the workpiece 3, and judging the attachment condition of the damping block 1 and the workpiece 3 by recognizing the torsion value of the input end through a system; when the workpiece enters a slight attaching state, the position of the pressing plate 12 is comprehensively adjusted through the pull block 11, the adjusting bolt 13 and the adjusting screw 14, so that the workpiece 3 is clamped; then the gear is appropriately screwed to form complete fit with the action of a pre-tightening force; after the machining operation is finished, firstly adjusting the damping block 1 to be separated from the workpiece 3, then releasing the bottom clamping device, and finally taking out the workpiece 3; in the whole process of clamping and adjusting, in order to ensure the stability of the supporting part of the device, an acute angle is required to be kept between the upper bracket 18 and the upper end of the main shaft 17, and an acute angle is required to be kept between the lower bracket 15 and the lower end of the main shaft 17, as shown in the schematic diagram of fig. 1; this requires that the upper connecting block 21 and the lower connecting block 22 be located as close as possible and as desired during initial assembly.
Claims (1)
1. The utility model provides a thin wall solid of revolution part self-adaptation anchor clamps, mainly includes base (2), sleeve (16), main shaft (17), backup pad (19), its characterized in that: the base (2) is connected with the bottom plate (4) through screws, the pull block (11), the pressing plate (12), the adjusting bolt (13), the adjusting bolt (14) are uniformly distributed on the outer side of the base (2), the main shaft (17) is arranged in the middle of the base (2) and the bottom plate (4), the sleeve (16) is matched with the main shaft (17), the main shaft gear (8) and the sleeve gear (10) are respectively connected with the main shaft (17) and the sleeve (16) through flat keys (7), the main shaft gear (8) and the bottom plate (4), conical roller bearings (6) are respectively arranged between the sleeve gear (10) and the base (2), the thrust bearing (9) is arranged between a sleeve boss (24) and a main shaft boss (25), cylindrical pins (26) are respectively arranged between an upper end cover (20) and an upper connecting block (21), a lower end cover (23) and a lower connecting block (22), and are connected through screws, threads are respectively arranged in the middle of the upper connecting block (21), the upper connecting block (21) is matched with the threaded end of the main shaft (17), the lower connecting block (22) is matched with the threaded end of the sleeve (16), the small ends of the upper support (18) and the lower support (15) are connected with the cylindrical pin (26), the large end of the upper support is connected with the supporting plate (19) through a bolt, the bottom of the supporting plate (19) is provided with a roller (5) and is connected with the damping block (1) through a screw, and the whole clamp is fixed with a machine tool through a base (2) and a U-shaped groove (33) on the edge of the bottom plate (4);
the edges of the upper end cover (20), the upper connecting block (21), the lower end cover (23) and the lower connecting block (22) are provided with six grooves, the surface of the upper end cover is provided with six arc grooves (27), and the cylindrical pin (26) is arranged in the arc grooves (27);
the back of the supporting plate (19) is provided with a plurality of pairs of lifting lugs which are respectively connected with the upper bracket (18), the lower bracket (15) and the roller (5);
the surface of the shock absorption block (1) is discontinuously provided with chip grooves (29), and the bottom of the shock absorption block is provided with a square groove (28);
the outer side of the base (2) is uniformly provided with adjusting holes (30), positioning holes (31) and a settling platform (32), the upper ends of the adjusting holes (30) are communicated with the surface of the base (2), the pull block (11) is arranged in the adjusting holes (30), the lower end of an adjusting bolt (13) is arranged in the positioning holes (31), the upper end of the adjusting bolt is matched with a circular hole in the end part of the pressing plate (12), and an adjusting screw (14) penetrates through a through groove in the middle of the pressing plate (12) and is in threaded connection with the pull block (11); a track groove (34) is formed in the middle of the surface of the base, and the roller (5) is matched with the track groove (34);
one end of the pull block (11) is a pull ring, the other end of the pull block is a cylindrical block, and a threaded hole is formed in the cylindrical surface of the cylindrical block;
one end of the pressing plate (12) is provided with a cylindrical hole, and the middle part is provided with a through groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811190352.2A CN108907838B (en) | 2018-10-12 | 2018-10-12 | Thin wall solid of revolution part self-adaptation anchor clamps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811190352.2A CN108907838B (en) | 2018-10-12 | 2018-10-12 | Thin wall solid of revolution part self-adaptation anchor clamps |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108907838A CN108907838A (en) | 2018-11-30 |
| CN108907838B true CN108907838B (en) | 2020-05-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811190352.2A Active CN108907838B (en) | 2018-10-12 | 2018-10-12 | Thin wall solid of revolution part self-adaptation anchor clamps |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109623444B (en) * | 2019-01-25 | 2021-01-29 | 西南石油大学 | Adjustable milling fixture for large conical revolving body |
| CN110497217B (en) * | 2019-08-24 | 2021-01-05 | 大连理工大学 | Synchronous telescopic self-adaptive multi-point supporting clamp for processing annular thin-walled part |
| CN110497216B (en) * | 2019-08-24 | 2021-05-18 | 大连理工大学 | Synchronous self-locking type pneumatic self-adaptive clamp for processing annular thin-walled part |
| CN110497340B (en) * | 2019-08-27 | 2021-09-14 | 四川科思精密模具有限公司 | Machining method and clamp for multi-block assembly revolving body mold |
| CN112958925B (en) * | 2021-01-29 | 2022-04-29 | 江苏师范大学 | Major diameter thin wall pipe precision laser welding modular fixture |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201357326Y (en) * | 2008-12-18 | 2009-12-09 | 潍坊盛瑞动力机械科技有限公司 | Clamp for milling rear driving flywheel casing |
| JP5515699B2 (en) * | 2009-12-04 | 2014-06-11 | Ｊｆｅスチール株式会社 | Nozzle drying nozzle for oil well pipe |
| CN102279278A (en) * | 2011-04-22 | 2011-12-14 | 上海应用技术学院 | Support positioning device used in inner wall of pipeline |
| CN102248269B (en) * | 2011-07-22 | 2013-01-16 | 成都发动机（集团）有限公司 | Welding fixture for thin-wall part |
| CN102785087A (en) * | 2012-04-26 | 2012-11-21 | 扬州博世特工具有限公司 | Umbrella-holding type pipeline tensioning mechanism |
| CN205668160U (en) * | 2016-06-15 | 2016-11-02 | 哈尔滨汽轮机厂有限责任公司 | A kind of thin-wall case special fixture |
| CN108548048B (en) * | 2018-06-27 | 2024-05-14 | 中国石油大学(北京) | Variable-diameter automatic crawling marine riser inner detector |
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- 2018-10-12 CN CN201811190352.2A patent/CN108907838B/en active Active
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| CN108907838A (en) | 2018-11-30 |
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Inventor after: Wan Changcheng Inventor after: Guo Liang Inventor after: Zheng Hualin Inventor after: Zhou Ming Inventor after: Tang Junlei Inventor before: Wan Changcheng Inventor before: Guo Liang Inventor before: Zheng Hualin Inventor before: Zhou Ming Inventor before: Tang Junlei |
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