CN114012662A - Cold plug installer - Google Patents
Cold plug installer Download PDFInfo
- Publication number
- CN114012662A CN114012662A CN202111463726.5A CN202111463726A CN114012662A CN 114012662 A CN114012662 A CN 114012662A CN 202111463726 A CN202111463726 A CN 202111463726A CN 114012662 A CN114012662 A CN 114012662A
- Authority
- CN
- China
- Prior art keywords
- cold
- sliding block
- cold plug
- threaded screw
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000009434 installation Methods 0.000 claims abstract description 19
- 229920000459 Nitrile rubber Polymers 0.000 claims description 3
- 239000013013 elastic material Substances 0.000 claims description 3
- 230000003068 static effect Effects 0.000 abstract description 4
- 238000001816 cooling Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
Images
Classifications
-
- 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
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
- B25B27/023—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same using screws
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P11/00—Connecting or disconnecting metal parts or objects by metal-working techniques not otherwise provided for
- B23P11/02—Connecting or disconnecting metal parts or objects by metal-working techniques not otherwise provided for by first expanding and then shrinking or vice versa, e.g. by using pressure fluids; by making force fits
- B23P11/025—Connecting or disconnecting metal parts or objects by metal-working techniques not otherwise provided for by first expanding and then shrinking or vice versa, e.g. by using pressure fluids; by making force fits by using heat or cold
Abstract
The invention belongs to the technical field of cold plug installation, and particularly relates to a cold plug installer. The cold plug installer comprises a cold plug aligning device and a pressing device; the pressing device comprises a sucker, a vacuum exhaust assembly, a threaded screw rod, a sliding block, a rotary rod handle and a precise sliding rail A; the cold plug mounting device is of a symmetrical structure. The invention can reduce the operation difficulty. And effectively avoid the secondary repair caused by the wrong selection of the repair tool, even causing heavy scrap. Reducing the risk and cost of rework. The equipment improves the original 30% success rate of cold bolt installation work to more than 90%, and meets the requirement of using static force for cold bolt installation in each machine type specification. The invention has small size, easy operation, convenient taking and placing and low cost, effectively improves the installation power of the cold bolt and reduces the repair risk. The repair cost can be effectively controlled. The installer fills the market blank, is suitable for cold bolt installation operation of various types, and has wide market prospect.
Description
Technical Field
The invention belongs to the technical field of cold plug installation, and particularly relates to a cold plug installer.
Background
In the assembly of an airplane structure, the skin is subjected to failure due to hole making, and the skin is repaired by installing cold bolts on general engineering. Because the external part and a plurality of parts of the fuselage skin are limited by structures, spaces and the like, the cold plug cannot be installed by using static pressure according to the technical specification requirement, but is pressed into the cold plug by using a riveter through impact force, the method has high requirements on the skill of an operator, the quality of the method is unstable, the phenomenon of inclination can occur at a high probability after installation, the wall of the skin hole is extremely easy to be damaged, secondary out-of-tolerance occurs, and even heavy scrapping is caused. After investigation, no similar cold plug installation tool exists. In order to reduce the installation error rate, improve the cold bolt installation quality and reduce the repair cost, the main purpose is to ensure the connection quality, reduce the quality fluctuation and improve the fatigue life of the machine body.
And (3) cold bolting: the English is BUSHING, defined in engineering, usually produces defects to materials under the condition of hole making, and metal materials (generally aluminum alloy and round) with the same thickness are used for blocking holes by a cooling installation method to meet the subsequent assembly requirement, commonly called as cold plugs, and the difficulty lies in the thickness of parts and the matching diameter thereof.
Disclosure of Invention
In order to solve the above problems, the present invention provides a cold plug mounter.
The technical scheme adopted by the patent is as follows:
a cold plug mounting device comprises a cold plug alignment device and a pressing device;
the pressing device comprises a sucker, a vacuum exhaust assembly, a threaded screw rod, a sliding block, a rotary rod handle and a precise sliding rail A; the cold plug installation device is of a symmetrical structure, taking the left side as an example:
a vacuum exhaust assembly communicated with the sucker is arranged above the sucker, the lower part of the threaded screw rod penetrates through the sliding block to be fixedly connected with the vacuum exhaust assembly, and the upper part of the threaded screw rod is provided with a rotary rod handle; the lower part of the threaded screw rod penetrates through the sliding block to be connected with one side of the pressing head, the upper part of the threaded screw rod is provided with a rotating rod handle, the middle part of the pressing head is provided with a through hole in the vertical direction, and the pressure bearing and the through hole are connected with the threaded screw rod through a bolt; the bottom surface of the sliding block is provided with two parallel grooves which are respectively connected with a precision sliding rail A, and the bottom surface of the sliding block is provided with two parallel grooves which are respectively connected with the precision sliding rail A;
the cold bolt alignment device comprises a sliding block, a rail sliding block and a precise sliding rail B;
a through hole corresponding to the track sliding block is formed above the sliding block, the upper part of the sliding block is connected with the track sliding block through an M3 bolt, a precision sliding rail B at the lower part of the track sliding block is connected in a sliding manner, and the precision sliding rail B is provided with a through hole; the bottom of the precision slide rail B is fixedly connected with a bottom plate below the precision slide rail B, the bottom plate is a square block, a triangular notch is formed in one side of the bottom plate, and a circular hole is formed in the top end of the triangular notch; the stop block is provided with a through hole, and the through hole of the stop block is connected with one side of the bottom plate through an M3 bolt.
The middle part of the vacuum exhaust assembly is provided with a through hole, and the vacuum exhaust assembly is in threaded connection with the threaded screw rod through the bottom of the threaded screw rod.
The top of the threaded screw rod is provided with a rotating rod handle which is perpendicular to the threaded screw rod.
The sucker is made of elastic materials.
The sucking disc is nitrile rubber.
The invention has the beneficial effects that:
the invention analyzes the installation experimental data of the single-curved skin, the double-curved skin and the cold plugs of various models through various experiments according to statistics. The cold plug installer is suitable for the cold plug operation of the outer skin of various types of machines, belongs to high-difficulty work, and generally needs workers with abundant assembly experience to operate. The use of the mounter can reduce the operation difficulty. And effectively avoid the secondary repair caused by the wrong selection of the repair tool, even causing heavy scrap. Reducing the risk and cost of rework. The equipment improves the original 30% success rate of cold bolt installation work to more than 90%, and meets the requirement of using static force for cold bolt installation in each machine type specification. The invention has small size, easy operation, convenient taking and placing and low cost, effectively improves the installation power of the cold bolt and reduces the repair risk. The repair cost can be effectively controlled. The installer fills the market blank, is suitable for cold bolt installation operation of various types, and has wide market prospect.
Drawings
Fig. 1 is a front view of a cold plug mounter according to embodiment 1.
Fig. 2 is a top view of the cold plug mounter according to embodiment 1.
Fig. 3 is a side view of the cold plug mounter according to embodiment 1.
Fig. 4 is an isometric view of the cold plug mounter described in embodiment 1.
Fig. 5 is a front view of the cold plug alignment device according to embodiment 1.
Fig. 6 is a plan view of the cold plug alignment device according to embodiment 1.
Fig. 7 is a side view of the cold plug aligning device according to embodiment 1.
Fig. 8 is a perspective view of the cold plug alignment device according to embodiment 1.
In the figure: 1, a sucker; 2, a vacuum exhaust assembly; 3, a threaded screw rod; 4, a sliding block; 5 rotating the handle; 6, a threaded screw rod; 7, a sliding block; 8, a pressure bearing; 9, pressing the head; 10 a swing lever handle; 11 precision slide rail A; 12, a sliding block; 13 track slide block; 14 precision slide rails B; 15 a base plate; 16 stops.
Detailed Description
In order to further explain the technical scheme of the invention, the invention is explained in detail in the following with reference to the attached drawings.
Example 1:
a cold plug mounting device comprises a cold plug alignment device and a pressing device;
the pressing device comprises a sucker 1, a vacuum exhaust assembly 2, a threaded screw rod 3, a sliding block 4, a rotary rod handle 5 and a precision slide rail A11; the cold plug installation device is of a symmetrical structure, taking the left side as an example:
a vacuum exhaust assembly 2 communicated with the sucker 1 is arranged above the sucker 1, the lower part of a threaded screw rod 3 penetrates through a sliding block 4 to be fixedly connected with the vacuum exhaust assembly 2, and a rotary rod handle 5 is arranged at the upper part of the threaded screw rod 3; the lower part of the threaded screw rod 6 penetrates through the sliding block 7 to be connected with one side of the pressing head 9, the upper part of the threaded screw rod 6 is provided with a rotating rod handle 10, the middle part of the pressing head 7 is provided with a through hole in the vertical direction, and the pressure bearing 8 and the through hole are connected with the threaded screw rod 6 through bolts; the bottom surface of the sliding block 4 is provided with two parallel grooves which are respectively connected with a precision sliding rail A11, the bottom surface of the sliding block 7 is provided with two parallel grooves which are respectively connected with a precision sliding rail A11;
the cold plug alignment device comprises a slide block 12, a track slide block 13 and a precision slide rail B14;
a through hole corresponding to the track sliding block 13 is formed above the sliding block 12, the sliding block 12 is connected with the track sliding block 13 through an M3 bolt, a precision sliding rail B14 at the lower part of the track sliding block 13 is connected in a sliding manner, and a through hole is formed in a precision sliding rail B14; the bottom of the precision slide rail B14 is fixedly connected with a bottom plate 15 below the precision slide rail B14, the bottom plate 15 is a square block, a triangular notch is arranged on one side of the bottom plate, and a circular hole is formed in the top end of the triangular notch; the stopper 16 is provided with a through hole, and the through hole of the stopper 16 is connected to one side of the base plate 15 by an M3 bolt. The sucker 1 is made of nitrile rubber.
Example 2:
the cold plug mounting device comprises an automatic alignment device and a pressing device, vacuum is generated through deformation of a rubber pad sucker 1 on a mounting main body, the mounting device is fixed around an area to be mounted by means of atmospheric pressure, and then the head of the pressing device generates pressing force vertical to the surface of a skin by adjusting the position of a pressing head 9, so that the function of cold plug mounting is realized. When the cold plug is installed, the pressing head can be detached and the cold plug can be placed into liquid nitrogen for cooling. After cooling, the bottom plate 15 is fixed above the mounting hole in advance, and both sides of the V-shaped guide groove of the bottom plate 15 are intersected with the mounting hole. The base is provided with a precise sliding rail. The precision slide rail 11 is used for connecting the slide block 4 and the base, so that the slide block can do linear motion. The slide 4 can push the cold plug to the right position quickly and accurately. The head of the compactor is placed above the cold plug. The back surface of the skin is supported by using a top iron, and the screw is rotated to generate static force to press the cold bolt into the skin until the surface of the cold bolt is flush with the surface of the skin.
Claims (6)
1. The cold plug installer is characterized by comprising a cold plug aligning device and a pressing device;
the pressing device comprises a sucker (1), a vacuum exhaust assembly (2), a threaded screw rod (3), a sliding block (4), a rotary rod handle (5) and a precise sliding rail A (11); the cold plug installation device is of a symmetrical structure, taking the left side as an example:
a vacuum exhaust assembly (2) communicated with the sucker (1) is arranged above the sucker (1), the lower part of the threaded screw rod (3) penetrates through the sliding block (4) to be fixedly connected with the vacuum exhaust assembly (2), and the upper part of the threaded screw rod (3) is provided with a rotary rod handle (5); the lower part of the threaded screw rod (6) penetrates through the sliding block (7) to be connected with one side of the pressing head (9), the upper part of the threaded screw rod (6) is provided with a rotating rod handle (10), the middle part of the pressing head (7) is provided with a through hole in the vertical direction, and the pressure bearing (8) and the through hole are connected with the threaded screw rod (6) through bolts; the bottom surface of the sliding block (4) is provided with two parallel grooves which are respectively connected with a precision sliding rail A (11), the bottom surface of the sliding block (7) is provided with two parallel grooves which are respectively connected with the precision sliding rail A (11);
the cold bolt alignment device comprises a sliding block (12), a track sliding block (13) and a precision sliding rail B (14); a through hole corresponding to the track sliding block (13) is formed above the sliding block (12), the sliding block (12) is connected with the track sliding block (13) through an M3 bolt, a precision sliding rail B (14) at the lower part of the track sliding block (13) is connected in a sliding manner, and the precision sliding rail B (14) is provided with the through hole; the bottom of the precision slide rail B (14) is fixedly connected with a bottom plate (15) below the precision slide rail B, the bottom plate (15) is a square block, a triangular notch is formed in one side of the bottom plate, and a round hole is formed in the top end of the triangular notch; the stopper (16) is provided with a through hole, and the through hole of the stopper (16) is connected with one side of the bottom plate (15) through an M3 bolt.
2. The cold plug mounter according to claim 1, wherein the vacuum exhaust assembly (2) has a through hole in the middle thereof, and the vacuum exhaust assembly (2) is threadedly coupled to the threaded screw (3) through the bottom of the threaded screw (3).
3. A cold plug mounting device according to claim 1 or 2, wherein a screw handle (10) is provided on top of said screw (6), said screw handle (10) being perpendicular to said screw (6).
4. A cold plug mounting device according to claim 1 or 2, wherein said suction cup (1) is of an elastic material.
5. A cold plug mounting device according to claim 3, wherein said suction cup (1) is made of an elastic material.
6. A cold plug mounter according to claim 4, wherein said suction cup (1) is nitrile rubber.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202111463726.5A CN114012662A (en) | 2021-12-03 | 2021-12-03 | Cold plug installer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202111463726.5A CN114012662A (en) | 2021-12-03 | 2021-12-03 | Cold plug installer |
Publications (1)
Publication Number | Publication Date |
---|---|
CN114012662A true CN114012662A (en) | 2022-02-08 |
Family
ID=80068009
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202111463726.5A Pending CN114012662A (en) | 2021-12-03 | 2021-12-03 | Cold plug installer |
Country Status (1)
Country | Link |
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CN (1) | CN114012662A (en) |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3824660A (en) * | 1973-05-04 | 1974-07-23 | Gen Tire & Rubber Co | Method and apparatus for vacuum assembling of bushings |
CN101412060A (en) * | 2008-11-27 | 2009-04-22 | 齐齐哈尔轨道交通装备有限责任公司 | Material-pressing mechanism for angle-bar breaking mold and angle-bar breaking mold |
CN104416836A (en) * | 2013-08-30 | 2015-03-18 | 苏州星诺奇传动科技有限公司 | Injection mould and manufacturing method thereof |
CN204868223U (en) * | 2015-08-18 | 2015-12-16 | 常州市润达照明电器有限公司 | Multi -purpose anchor clamps |
CN205562866U (en) * | 2015-12-04 | 2016-09-07 | 四川世纪星辰科技有限公司 | High efficiency fused fiber splice aligning guide |
CN109909776A (en) * | 2017-12-12 | 2019-06-21 | 重庆柏孝机械配件有限公司 | A kind of automatic positioning compacting device for auto parts and components |
CN111216069A (en) * | 2019-12-09 | 2020-06-02 | 中航沈飞民用飞机有限责任公司 | Vacuum chuck type compactor |
-
2021
- 2021-12-03 CN CN202111463726.5A patent/CN114012662A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3824660A (en) * | 1973-05-04 | 1974-07-23 | Gen Tire & Rubber Co | Method and apparatus for vacuum assembling of bushings |
CN101412060A (en) * | 2008-11-27 | 2009-04-22 | 齐齐哈尔轨道交通装备有限责任公司 | Material-pressing mechanism for angle-bar breaking mold and angle-bar breaking mold |
CN104416836A (en) * | 2013-08-30 | 2015-03-18 | 苏州星诺奇传动科技有限公司 | Injection mould and manufacturing method thereof |
CN204868223U (en) * | 2015-08-18 | 2015-12-16 | 常州市润达照明电器有限公司 | Multi -purpose anchor clamps |
CN205562866U (en) * | 2015-12-04 | 2016-09-07 | 四川世纪星辰科技有限公司 | High efficiency fused fiber splice aligning guide |
CN109909776A (en) * | 2017-12-12 | 2019-06-21 | 重庆柏孝机械配件有限公司 | A kind of automatic positioning compacting device for auto parts and components |
CN111216069A (en) * | 2019-12-09 | 2020-06-02 | 中航沈飞民用飞机有限责任公司 | Vacuum chuck type compactor |
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PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20220208 |