CN113681051A - Clamping device for drilling thin-wall parts and using method thereof - Google Patents

Clamping device for drilling thin-wall parts and using method thereof Download PDF

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Publication number
CN113681051A
CN113681051A CN202110996632.8A CN202110996632A CN113681051A CN 113681051 A CN113681051 A CN 113681051A CN 202110996632 A CN202110996632 A CN 202110996632A CN 113681051 A CN113681051 A CN 113681051A
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China
Prior art keywords
thin
clamping
drilling
wall part
hole
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Granted
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CN202110996632.8A
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Chinese (zh)
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CN113681051B (en
Inventor
易智飞
刘园园
陆明富
朱云安
黎玉钦
盛毅
王巍
刘凯
廖攀
王佳俊
沈雨
华文龙
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Aerospace Haiying Zhenjiang Special Material Co ltd
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Aerospace Haiying Zhenjiang Special Material Co ltd
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Priority to CN202110996632.8A priority Critical patent/CN113681051B/en
Publication of CN113681051A publication Critical patent/CN113681051A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B41/00Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, 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
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
    • B23Q3/06Work-clamping means
    • B23Q3/08Work-clamping means other than mechanically-actuated

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling And Boring (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)

Abstract

The invention discloses a clamping device for drilling a thin-wall part and a using method thereof, wherein the clamping device comprises a clamping tool shell and a clamping mechanism arranged in the clamping tool shell; the drilling jig hole is formed in the clamping tool shell, the thin-wall part to be drilled is tightly clamped and attached to the inner wall of the clamping tool shell through the clamping mechanism, the deformation problem of the thin-wall part in the drilling operation process is avoided, the drilling tool performs drilling operation on the thin-wall part through the drilling jig hole, so that the drilling tool is perpendicular to the surface of the thin-wall part, the drilling verticality is ensured, the quality and the speed of the drilling dimple of the thin-wall part are greatly improved, and the clamping tool has very good practical value.

Description

Clamping device for drilling thin-wall parts and using method thereof
Technical Field
The invention relates to a clamping device for drilling a thin-wall part and a using method thereof.
Background
In the technical field of machining of various drilling technologies, corresponding drilling requirements and levels are higher and higher, particularly in the field of aerospace, the performance of airplanes of types C919, ARJ21 and the like made in China is directly determined by the airplane curved surface skin drilling technology, and the important responsibility for solving the scientific research problem is born. The technology of making holes on the curved surface skin of the airplane is taken as a key technology in the field of aerospace, and directly determines the highest level of aerospace manufacturing in China. In the manufacturing and assembling process of the airplane, a few holes are thousands, and a great many holes are tens of thousands, and the connecting holes are still the most main mode for connecting the airplane structural members, which directly influences the fatigue life and the safety performance of the airplane and other performances related to the airplane.
At present, the following difficulties mainly exist in the process of drilling and dimpling of large-curvature thin-wall parts:
1) because the parts are large-curvature wall plates, the hole-making verticality of the parts in the hole-making process is difficult to ensure, and inclined holes are easy to appear;
2) because the thickness of the part is thin, the part is easy to deform in the hole making process, so that the deviation exists between the hole making and the dimple. And the quality of the hole-making countersink of the thin-wall part is difficult to ensure by adopting manual operation for most of the parts at present, and the speed is low.
Therefore, how to realize high-efficiency and high-quality hole making of large-curvature thin-wall parts becomes a key problem to be solved urgently in production and manufacturing.
Disclosure of Invention
Aiming at the existing problems, the invention provides the clamping device for drilling the thin-wall part and the using method thereof, and the quality and the speed of the drilling and dimpling of the thin-wall part are greatly improved by arranging the proper drilling and dimpling clamping device to replace the traditional pure manual operation. The specific technical scheme is as follows:
the invention provides a clamping device for drilling a thin-wall part, which comprises a clamping tool shell and a clamping mechanism arranged in the clamping tool shell; the clamping tool shell is provided with a drill jig hole, a thin-wall part to be drilled is clamped and attached to the inner wall of the clamping tool shell through a clamping mechanism, and the drilling tool performs drilling operation on the thin-wall part through the drill jig hole.
According to the clamping device for drilling the thin-wall part, the clamping mechanism comprises a pneumatic clamping jaw and a supporting stop block arranged on the pneumatic clamping jaw; the supporting stop block is used for being in direct contact with the thin-wall part and pressing and fitting the thin-wall part on the inner wall of the clamping tool shell.
Preferably, the supporting stop block is made of flexible materials, and an avoiding groove is formed in the position, corresponding to the drilling die hole, of the supporting stop block and used for avoiding a hole making tool.
Further preferably, the support stop is made of flexible rubber or flexible plastic, and is fixed on the jaw body of the pneumatic clamping jaw through a screw.
According to the clamping device for drilling the thin-wall parts, the bottom of the supporting stop block is provided with the guide rail for limiting the moving direction of the supporting stop block.
According to the clamping device for drilling the thin-wall parts, the pneumatic clamping jaw is connected with the clamping tool shell through the bolt, a stroke guide groove is formed in the pneumatic clamping jaw, an original point sensor is arranged at one end of the stroke guide groove, and a terminal point sensor is arranged at the other end of the stroke guide groove and used for controlling the opening and closing of the pneumatic clamping jaw in a matched mode with the relay and the electromagnetic valve.
The clamping device for drilling the thin-wall part further comprises a rotating mechanism which is located at the bottom of the clamping mechanism and used for controlling the rotating angle of the clamping mechanism.
According to the clamping device for drilling the thin-wall parts, the rotating mechanism controls the rotating angle of the clamping mechanism to be 0-360 degrees, and the clamping device comprises a rotating motor and a connecting shaft connected with the clamping mechanism; the connecting shaft is fixed on the lower portion of the cylinder of the pneumatic clamping jaw of the clamping mechanism through a flange plate, a cushion block and a bolt.
The invention further provides a using method of the clamping device for drilling the thin-wall parts, which comprises the following steps:
1) assembling and debugging: assembling the clamping tool shell, the clamping mechanism and the rotating mechanism according to requirements; placing the thin-wall part to be drilled, adjusting a clamping mechanism, debugging the clamping force, and completely attaching the thin-wall part to the inner wall of the clamping tool shell;
2) hole making and dimple making: using a hole-making tool to make holes and countersinks on the thin-wall part through a drill jig hole on the clamping tool shell;
3) rotating: under the condition that more holes need to be manufactured, the clamping mechanism is adjusted to loosen the thin-wall part, the clamping mechanism is driven to rotate to a preset angle through the rotating mechanism, then the clamping mechanism is adjusted to completely attach the thin-wall part to the inner wall of the clamping tool shell, and then the step 2) is repeated to continuously perform hole making and dimple forming on the thin-wall part;
4) and (3) completing: and after the hole making and the dimple forming are finished, the clamping mechanism is adjusted again, the thin-wall part is loosened, and the thin-wall part is taken out from the clamping tool shell.
As one preferable technical scheme, the pneumatic clamping jaw is a three-jaw cylinder, the number of the holes is 6, and the rotation angle is 60 degrees.
The method has the beneficial effects that:
the device clamps the large-curvature thin-wall part to be drilled and then performs hole drilling and dimple forming, so that the quality and the speed of the hole drilling and dimple forming of the thin-wall part are greatly improved. The device controls the supporting stop block to approach the inner wall of the clamping tool body through the clamping mechanism, ensures that the large-curvature thin-wall part is attached to the tool, and ensures that the surface of the drilling tool is perpendicular to the surface of the large-curvature thin-wall part through the drilling die hole on the tool body, thereby ensuring the drilling verticality. The supporting stop block of the device is made of flexible rubber materials, so that the clamping stability of thin-wall parts can be ensured, and meanwhile, the parts are not influenced; and due to the flexible action of the supporting stop block and the opening and closing of the pneumatic clamping jaw, the device can be applied to the hole-making counter sinking of thin-wall parts with different thicknesses, and has very good practical value and application prospect.
Drawings
FIG. 1 is a schematic structural diagram of a clamping device for drilling a thin-walled part according to the invention;
FIG. 2 is an exploded view of the apparatus of the present invention;
FIG. 3 is a schematic longitudinal sectional view of the structure of the apparatus of the present invention;
FIG. 4 is a schematic view of the supporting block of the present invention;
FIG. 5 is a schematic structural view of a rotating mechanism according to the present invention;
FIGS. 6-8 are schematic views of the use process of the dimple device for thin-walled parts.
In the figure: 1. clamping the tool shell; 2. a clamping mechanism; 21. a pneumatic clamping jaw; 210. a claw body; 211. a stroke guide groove; 212. an origin sensor; 213. an endpoint sensor; 22. a support block; 221. an avoidance groove; 222. a guide rail; 3. drilling a die hole; 4. thin-walled parts; 5. a rotation mechanism; 51. a rotating electric machine; 52. a connecting shaft; 6. a screw; 7. a flange plate; 8. cushion blocks; 9. and (4) bolts.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the embodiments and the accompanying drawings, and it is to be understood that the described embodiments are merely preferred embodiments of the present invention, rather than all embodiments, and are not intended to limit the present invention in other forms, and that any person skilled in the art may make changes or modifications using the technical contents disclosed. However, any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the protection scope of the technical solution of the present invention.
Example 1
The embodiment is a clamping device for drilling a thin-wall part, and as shown in fig. 1 to 5, the device comprises a clamping tool shell 1 and a clamping mechanism 2 arranged in the clamping tool shell 1; the drilling jig is characterized in that a drilling jig hole 3 is formed in the clamping tool shell 1, a thin-wall part 4 to be drilled is tightly clamped and attached to the inner wall of the clamping tool shell 1 through the clamping mechanism 2, and a drilling tool is used for drilling the thin-wall part 4 through the drilling jig hole 3. Adopt this clamping device to replace traditional pure manual operation, thereby the hole making instrument makes hole making instrument and thin wall part surface vertical through the drill jig pore pair thin wall part hole making operation, ensures the straightness that hangs down of making the hole, very big promotion thin wall part hole making dimple's quality and speed. In this embodiment, the thin-walled part is not limited in material, and may be a thin metal material or a thin carbon fiber part, and the deformation problem during the operation process can be avoided by attaching the thin-walled part to the inner wall of the clamping tool housing; the number and the aperture of the holes are not limited as long as the thin-wall part can be attached to the inner wall of the clamping tool shell through the clamping mechanism of the clamping device.
In the clamping device for drilling the thin-walled part according to the embodiment, the clamping mechanism 2 comprises a pneumatic clamping jaw 21 and a support stop 22 arranged on the pneumatic clamping jaw 21; the supporting stop block 22 is used for being in direct contact with the thin-wall part 4 and pressing and attaching the thin-wall part to the inner wall of the clamping tool shell 1. The supporting stop 22 is preferably made of flexible materials such as flexible rubber or flexible plastics, and is fixed on the claw body 210 of the pneumatic clamping jaw 21 through the screw 6, so that the clamping stability of thin-wall parts can be ensured, meanwhile, the parts are not affected, and the flexible action of the supporting stop is matched with the pneumatic clamping jaw 21, so that the device can be suitable for the requirements of drilling counter bores on the thin-wall parts with different thicknesses. In addition, the support stopper 22 is provided with an avoiding groove 221 corresponding to the position of the drill hole 3 for avoiding the hole making tool. The bottom of the support stop 22 is provided with a guide rail 222 for limiting the moving direction of the support stop 22 and making the movement thereof more stable.
In this embodiment, the pneumatic clamping jaw 21 is connected to the clamping tool housing 1 through the bolt 6, and is provided with a stroke guide slot 211, one end of the stroke guide slot 211 is provided with an origin sensor 212, and the other end of the stroke guide slot is provided with a terminal sensor 213, so as to control the opening and closing of the pneumatic clamping jaw 21 in cooperation with a relay and an electromagnetic valve. During the use, adjust the clamping dynamics of laminating thin wall part on centre gripping frock casing 1 through the degree that control pneumatic clamping jaw 21 opens with closed, ensure that thin wall part laminates on the inner wall of centre gripping frock casing completely.
In addition, the clamping device for drilling the thin-walled part described in this embodiment further includes a rotating mechanism 5, which is located at the bottom of the clamping mechanism 2 and is used for controlling the rotating angle (0 ° to 360 °) of the clamping mechanism 2. Specifically, the rotating mechanism 5 includes a rotating motor 51 and a connecting shaft 52 connected to the clamping mechanism 2; the cylinder of the pneumatic clamping jaw 21 is internally provided with a cushion block 8, and the connecting shaft 52 is fixed on the cushion block 8 at the lower part of the cylinder of the pneumatic clamping jaw 21 of the clamping mechanism 2 through a flange 7 and a bolt 9. When the pneumatic drilling machine is used, the rotating mechanism 5 drives the pneumatic clamping jaw 21 and the supporting stop block 22 to rotate, and holes are drilled at different positions of a thin-wall part. Of course, although the present embodiment is provided with the rotating mechanism, it is not limited to the embodiment in which holes are formed at different portions by rotating the thin-walled component.
Example 2
In this embodiment, a specific clamping device for drilling a thin-wall part described in the embodiment is used to respectively drill a thin-wall part made of a carbon fiber composite material with a thickness of 1.5mm and a thin-wall part made of a metal material with a thickness of 1.8 mm. In this embodiment, 6 holes are formed in both the two thin-wall parts, wherein a thin-wall part made of a carbon fiber composite material with a thickness of 1.5mm is a standard part hole with a thickness of phi 3mm, and a thin-wall part made of a metal material with a thickness of 1.8mm is a standard part hole with a thickness of phi 4 mm.
In this embodiment, centre gripping frock casing 1, its outer wall cross-section is hexagon such as, the inner wall is the cylinder, every face all is equipped with the jig hole, clamping mechanism 2's pneumatic clamping jaw 21 is the three-jaw cylinder, it is located centre gripping frock casing 1's inside, support dog 22 is the 6 curved piece pieces that adopt flexible rubber material to make, its outer cambered surface and centre gripping frock casing 1's inner wall phase-match, support dog 22 passes through screw 6 and installs respectively in the both sides of the claw body 210 of three-jaw cylinder, the upper end of centre gripping frock casing 1 is left the part and is placed the mouth, the hole is put into to the thin wall part that conveniently waits to make the hole.
The specific operation steps of this embodiment are as follows, as shown in fig. 6 to 8:
1) assembling and debugging: assembling the clamping tool shell 1, the clamping mechanism 2 and the rotating mechanism 5 according to requirements; the air source is connected with the three-jaw cylinder of the clamping mechanism 2, meanwhile, the three-jaw cylinder, the sensor and the relay are connected through the electric wire, the thin-wall part to be drilled is placed, the relay is opened or closed to adjust and control the clamping mechanism 2 to loosen and clamp, and the clamping force is adjusted, so that the thin-wall part is completely attached to the inner wall of the clamping tool shell 1.
2) Hole making and dimple making: carrying out primary hole making and dimple forming on the thin-wall part through a drill die hole 3 on a clamping tool shell 1 by using a hole forming tool, wherein the hole forming tool is 3 standard holes;
3) rotating: the thin-wall part is loosened by adjusting the clamping mechanism 2, the clamping mechanism 2 is driven to rotate by 60 degrees by the rotating mechanism 5, then the clamping mechanism 2 is adjusted to completely attach the thin-wall part to the inner wall of the clamping tool shell 1, and then the step 2 is repeated to continuously drill the remaining 3 standard holes of the counter sinking on the thin-wall part 4, wherein the total number of the standard holes is 6;
4) and (3) completing: and after hole making and dimple forming are finished, the clamping mechanism 2 is adjusted again, the thin-wall part 4 is loosened, and the thin-wall part is taken out from the clamping tool shell 1.
In the device, after a large-curvature thin-wall part needing hole making is clamped, the hole making and socket sinking are carried out, the supporting stop block is controlled by the clamping mechanism to be close to the inner wall of the clamping tool body, the large-curvature thin-wall part is guaranteed to be attached to the tool, and then the hole making and die drilling holes in the tool body enable the hole making tool to be perpendicular to the surface of the large-curvature thin-wall part, so that the hole making verticality is guaranteed, and the quality and the speed of the hole making and socket sinking of the thin-wall part are greatly improved. In addition, the supporting stop block of the device is made of flexible rubber materials, so that the device can ensure the stable clamping of the thin-wall parts without influencing the parts, and the device can be applied to the application of hole reaming of the thin-wall parts with different thicknesses due to the flexible action of the supporting stop block and the opening and comparison of the pneumatic clamping jaws, and has very good practical value and application prospect.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. 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.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (10)

1. The utility model provides a clamping device that is used for thin wall class part system hole which characterized in that: comprises a clamping tool shell (1) and a clamping mechanism (2) arranged in the clamping tool shell (1); the drilling jig is characterized in that a drilling jig hole (3) is formed in the clamping tool shell (1), the thin-wall part (4) to be drilled is tightly attached to the inner wall of the clamping tool shell (1) through the clamping mechanism (2), and the drilling tool performs drilling operation on the thin-wall part (4) through the drilling jig hole (3).
2. The clamping device for drilling the thin-walled part according to claim 1, wherein: the clamping mechanism (2) comprises a pneumatic clamping jaw (21) and a supporting stop block (22) arranged on the pneumatic clamping jaw (21); the supporting stop block (22) is used for being in direct contact with the thin-wall part (4) and pressing and attaching the thin-wall part to the inner wall of the clamping tool shell (1).
3. The clamping device for drilling the thin-walled part according to claim 2, wherein: the supporting stop block (22) is made of flexible materials, and an avoiding groove (221) is formed in the position, corresponding to the drilling die hole (3), of the supporting stop block and used for avoiding a hole making tool.
4. A clamping device for making a hole in a thin-walled part according to claim 3, wherein: the supporting stop block (22) is made of flexible rubber or flexible plastic and is fixed on a claw body (210) of the pneumatic clamping claw (21) through a screw (6).
5. A clamping device for making holes in thin-walled parts according to claim 2, 3 or 4, characterized in that: the bottom of the supporting stop block (22) is provided with a guide rail (222) for limiting the movement direction of the supporting stop block (22).
6. The clamping device for drilling the thin-walled part according to claim 2, wherein: pneumatic clamping jaw (21) is for being connected through bolt (6) with centre gripping frock casing (1), is equipped with stroke guide slot (211) on it, the one end of stroke guide slot (211) is equipped with origin sensor (212), and the other end is equipped with terminal point sensor (213) for with opening and the closure of relay, solenoid valve cooperation control pneumatic clamping jaw (21).
7. The clamping device for drilling the thin-walled part according to claim 1, wherein: the clamping device also comprises a rotating mechanism (5) which is positioned at the bottom of the clamping mechanism (2) and is used for controlling the rotating angle of the clamping mechanism (2).
8. The clamping device for drilling the hole in the thin-walled part according to claim 7, wherein: the rotating mechanism (5) controls the rotating angle of the clamping mechanism (2) to be 0-360 degrees, and comprises a rotating motor (51) and a connecting shaft (52) connected with the clamping mechanism (2); the connecting shaft (52) is fixed at the lower part of the cylinder of the pneumatic clamping jaw (21) of the clamping mechanism (2) through a flange plate (7), a cushion block (8) and a bolt (9).
9. The use method of the clamping device for drilling the thin-walled part according to any one of claims 1 to 8 is characterized in that: the method comprises the following steps:
1) assembling and debugging: assembling the clamping tool shell (1), the clamping mechanism (2) and the rotating mechanism (5) according to requirements; putting the thin-wall part (4) to be drilled into the hole, adjusting the clamping mechanism (2), debugging the clamping force, and completely attaching the thin-wall part (4) to the inner wall of the clamping tool shell (1);
2) hole making and dimple making: using a hole-making tool to make a hole and dimple on the thin-wall part (4) through a drill die hole (3) on the clamping tool shell (1);
3) rotating: under the condition that more holes need to be manufactured, the clamping mechanism (2) is adjusted to loosen the thin-wall part (4), the clamping mechanism (2) is driven to rotate to a preset angle through the rotating mechanism (5), then the clamping mechanism (2) is adjusted to completely attach the thin-wall part (4) to the inner wall of the clamping tool shell (1), and then the step 2) is repeated to continuously manufacture holes and recess-facing on the thin-wall part (4);
4) and (3) completing: and after hole making and dimple forming are finished, the clamping mechanism (2) is adjusted again, the thin-wall part (4) is loosened, and the thin-wall part is taken out from the clamping tool shell (1).
10. The use method of the clamping device for drilling the thin-walled part according to claim 9, is characterized in that: the pneumatic clamping jaw (21) is a three-jaw cylinder, the number of the holes is 6, and the rotating angle is 60 degrees.
CN202110996632.8A 2021-08-27 2021-08-27 Clamping device for hole making of thin-wall parts and application method of clamping device Active CN113681051B (en)

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CN202110996632.8A CN113681051B (en) 2021-08-27 2021-08-27 Clamping device for hole making of thin-wall parts and application method of clamping device

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Application Number Priority Date Filing Date Title
CN202110996632.8A CN113681051B (en) 2021-08-27 2021-08-27 Clamping device for hole making of thin-wall parts and application method of clamping device

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CN113681051B CN113681051B (en) 2024-01-23

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115139206A (en) * 2022-07-12 2022-10-04 金华凯力特自动化科技有限公司 A multistation polishing equipment for production of stainless steel basin

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CN201300227Y (en) * 2008-10-23 2009-09-02 成都飞机工业(集团)有限责任公司 Drilling tool for drilling axially and evenly distributed holes
CN203725841U (en) * 2014-02-28 2014-07-23 济南中森机械制造有限公司 Special clamp for processing multi-side multiporous parts
US20170361412A1 (en) * 2016-06-15 2017-12-21 Citic Dicastal Co.,Ltd. High-precision tensioning device
CN208496450U (en) * 2018-07-18 2019-02-15 贵阳合创达精密机械科技有限公司 A kind of lathe thin-wall part fixture
CN208601062U (en) * 2018-06-27 2019-03-15 雄名航空科工(芜湖)股份有限公司 A kind of elder generation's inner support outer clip fixture again
CN110497216A (en) * 2019-08-24 2019-11-26 大连理工大学 Synchronization self-locking type pneumatic Self adapting fixture for annular thin wall part processing
CN212329681U (en) * 2020-04-02 2021-01-12 苏州沃斯曼精密机械有限公司 Clamping device for turning thin-wall valve body fitting

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201300227Y (en) * 2008-10-23 2009-09-02 成都飞机工业(集团)有限责任公司 Drilling tool for drilling axially and evenly distributed holes
CN203725841U (en) * 2014-02-28 2014-07-23 济南中森机械制造有限公司 Special clamp for processing multi-side multiporous parts
US20170361412A1 (en) * 2016-06-15 2017-12-21 Citic Dicastal Co.,Ltd. High-precision tensioning device
CN208601062U (en) * 2018-06-27 2019-03-15 雄名航空科工(芜湖)股份有限公司 A kind of elder generation's inner support outer clip fixture again
CN208496450U (en) * 2018-07-18 2019-02-15 贵阳合创达精密机械科技有限公司 A kind of lathe thin-wall part fixture
CN110497216A (en) * 2019-08-24 2019-11-26 大连理工大学 Synchronization self-locking type pneumatic Self adapting fixture for annular thin wall part processing
CN212329681U (en) * 2020-04-02 2021-01-12 苏州沃斯曼精密机械有限公司 Clamping device for turning thin-wall valve body fitting

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115139206A (en) * 2022-07-12 2022-10-04 金华凯力特自动化科技有限公司 A multistation polishing equipment for production of stainless steel basin

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