CN213497592U - Temporary fastener installation device - Google Patents
Temporary fastener installation device Download PDFInfo
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- CN213497592U CN213497592U CN202022336821.6U CN202022336821U CN213497592U CN 213497592 U CN213497592 U CN 213497592U CN 202022336821 U CN202022336821 U CN 202022336821U CN 213497592 U CN213497592 U CN 213497592U
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Abstract
The utility model relates to an interim fastener installation device. Interim fastener installation device include: a base; the clamping mechanism is arranged on the base and used for clamping the body; and the magnet is arranged on the base corresponding to the clamping mechanism through a rotating mechanism and used for attracting the end surface of the refined socket head cap screw. Interim fastener installation device utilize magnet to replace the polygon sleeve, need not to counterpoint like the sleeve, reduce intensity of labour. Meanwhile, the device is not limited by the shape of the sleeve and can only be used for mounting hexagonal or cylindrical temporary fasteners within a certain size range, and the temporary fasteners of various sizes can be mounted, so that the device has stronger universality.
Description
Technical Field
The utility model relates to an aerospace makes digital assembly field, especially relates to an interim fastener installation device.
Background
The manufacturing industry is not only the pillar industry in national economy, but also the important embodiment of comprehensive national force, the aviation industry is the leading edge of the manufacturing industry, has the leading guide effect, is the strategic industry of national economy and national defense construction, and promotes the continuous innovation development of the strategic industry, so that the important mode of improving the comprehensive national force of China is realized.
In the aerospace industry, there are a large number of locations where temporary fasteners are required for attachment during aircraft assembly, such as attachment of aircraft fuselage panels to various components and attachment of aircraft wings to ribs. The temporary fastening piece is usually installed into the prefabricated hole to perform temporary assembly on the thin-wall piece before the final assembly of the metal thin-wall piece is completed, whether the thin-wall piece is qualified is checked, and a test is performed for subsequent real assembly. Therefore, the installation of the temporary fastening piece is of no great importance, the aviation of China at the present stage is mainly based on the traditional manual workshop mode, the labor demand is high, the assembly efficiency is low, manual errors exist in manual installation, the clamping force cannot be consistent, and the subsequent assembly is hindered.
The prior art discloses the application numbers as follows: CN201610678333.9 is a temporary fastener for airplane assembly and installation method. The structure of the fastener comprises a body, a protective sleeve, a clamping jaw, a refined inner hexagon screw and a retainer ring, wherein one end of the body is in an outer hexagon shape, the other end of the body is provided with the protective sleeve, and the specification of the temporary fastener is distinguished by changing the color difference vision of parts of the protective sleeve; one end of the clamping jaw is of an outer square and internal thread structure, the other end of the clamping jaw is of an inner contracting four-clack jaw or six-clack jaw structure with a taper barb shape, the clamping jaw is matched with the inner square inside the body through the outer square and is connected with the refined inner hexagon screw through the internal thread; a special check ring is arranged in the temporary fastener body to prevent the refined socket head cap screw from falling off. The working principle of the temporary fastener is as follows: the temporary fastening piece is inserted into a corresponding hole, the refined socket head cap screw is rotated clockwise, the spiral transmission mechanism connected with the temporary fastening piece moves backwards, the four-piece or six-piece clamping jaw with the taper barb shape at the foremost end of the clamping jaw is opened, the diameter of the opened clamping jaw is increased after the clamping jaw is opened, and pressure is applied to the metal plate between the opened clamping jaw and the front surface of the body, so that the fastening effect is realized. If the refined socket head cap screw is rotated anticlockwise, the clamping jaw moves forwards, the diameter is reduced and the clamping jaw is restored to the original state, and therefore the temporary fastening piece can be smoothly taken out.
Although the disclosed installation method discloses that the temporary fastening piece is integrated on automatic equipment for installation, the disclosed installation method still has the problems of low assembly efficiency and frequent replacement of an installation sleeve.
In view of the above problems, it is imperative to develop a mounting device for mounting temporary fasteners. The utility model overcomes artifical disadvantage adopts the removal of the whole device of linear electric motor control, realizes accurate location, is equipped with electronic magnetic force "spanner" that gripper and motor, axle and electro-magnet are constituteed, realizes the moment of torsion transmission, its simple structure, and the control of being convenient for, and need not to carry out the counterpoint of polytropy sleeve. The device can promote installation quality and efficiency, uses manpower sparingly and the cost is reduced.
SUMMERY OF THE UTILITY MODEL
Based on this, the utility model aims at providing an interim fastener installation device, it is big that it has solved the labour demand, and the poor scheduling problem of precision has the advantage of raising the efficiency, reduce cost.
A temporary fastener installation device, the temporary fastener comprising a body and a fine socket head cap screw; the device also includes a base; the clamping mechanism is arranged on the base and used for clamping the body; and the magnet is arranged on the base corresponding to the clamping mechanism through a rotating mechanism and used for attracting the end surface of the refined socket head cap screw.
Interim fastener installation device, utilize magnet to replace the polygon sleeve, need not to counterpoint like the sleeve, reduce intensity of labour. Meanwhile, the device is not limited by the shape of the sleeve, and only the hexagonal or cylindrical temporary fastening piece can be installed in a certain size range, so that the temporary fastening pieces in various sizes can be installed, and the device has stronger universality.
Further, the magnet is an electromagnet.
Further, the clamping mechanism is an electric mechanical claw.
Furthermore, the device also comprises a fixed seat, and the base is arranged on the fixed seat in a sliding manner through a linear reciprocating feeding mechanism.
Further, the linear reciprocating feeding mechanism includes: the linear guide rail pair is arranged between the fixed seat and the base; the linear motor is installed between the fixed seat and the base.
Furthermore, the rotating mechanism comprises a transmission shaft, a bearing seat assembly, a coupler and a driving motor, one end of the transmission shaft is fixedly connected with the magnet, the other end of the transmission shaft penetrates through the bearing seat assembly to be connected with the coupler, and the other half of the coupler is connected with the output end of the driving motor; the bearing seat assembly comprises a shell, an end cover, a bearing and a sleeve; the shell is a hollow structure with two open ends; the two end covers are respectively covered on the two end surfaces of the shell; the bearings are respectively attached to the two end faces and matched with the inner wall of the shell to support the transmission shaft which penetrates through the bearings; the sleeve is arranged between the two bearings to position the bearings.
Further, the device also comprises a feeding mechanism, wherein the feeding mechanism is used for conveying the temporary fastening piece to the clamping end of the clamping mechanism.
Further, the feeding mechanism is an industrial robot.
Furthermore, the device also comprises a control unit for controlling the operation of each mechanism in the device; the control unit comprises a torque sensor and is used for detecting the torque applied to the temporary fastening piece and feeding back signals, so that closed-loop feedback control is realized.
For a better understanding and an implementation, the present invention is described in detail below with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic structural view of a temporary fastener installation apparatus of the present disclosure;
FIG. 2 is a schematic structural view of a temporary fastener mounting device (except a feeding mechanism) in the present case;
FIG. 3 is a partial cross-sectional view of the bearing block assembly;
the reference numbers in the figures illustrate: 1. a temporary fastener; 2. a base; 3. a linear reciprocating feeding mechanism; 31. a linear guide rail pair; 32. a linear motor; 4. a fixed seat; 5. a clamping mechanism; 6. a magnet; 7. a rotation mechanism; 71. a drive shaft; 72. a bearing housing assembly; 721. a housing; 722. an end cap; 723. a bearing; 724. a sleeve; 73. a coupling; 74. a drive motor; 8. a feeding mechanism.
Detailed Description
Referring to fig. 1-2, fig. 1 is a schematic structural view of a temporary fastener mounting apparatus according to the present disclosure; fig. 2 is a schematic structural view of the temporary fastener mounting device (except for a feeding mechanism) of the present invention.
The temporary fastener installation device comprises a base 2, a linear reciprocating feeding mechanism 3, a fixed seat 4, a clamping mechanism 5, a magnet 6, a rotating mechanism 7, a feeding mechanism 8 and a control unit (not shown).
The temporary fastening member 1 includes a body and a fine socket head cap screw. The base 2 is arranged on the fixed seat 4 in a sliding manner through a linear reciprocating feeding mechanism 3; the clamping mechanism 5 is arranged on the base 2 and used for clamping the body. The magnet 6 is arranged on the base 2 corresponding to the clamping mechanism 5 through a rotating mechanism 7 and used for attracting the end face of the refined socket head cap screw. The feeding mechanism 8 is used for conveying the temporary fasteners 1 to the clamping end of the clamping mechanism 5. Preferably, the feeding mechanism 8 used in the present embodiment is an industrial robot. Other feeding mechanisms 8 meeting the use requirements of the embodiment can be adopted. The control unit controls the operation of each mechanism in the device.
The linear reciprocating feeding mechanism 3 comprises a linear guide rail pair 31 and a linear motor 32. The linear guide pair 31 is installed between the fixed seat 4 and the base 2, and can also be combined with the fixed seat 4 and the base 2. The linear motor 32 is installed between the fixed seat 4 and the base 2. In this embodiment, the linear motor 32 is of a DKW119_ C15_ W060_ T60_ C010_0_2 type, and any other linear motor 32 meeting the use requirements of this embodiment may be used.
The rotating mechanism 7 comprises a transmission shaft 71, a bearing block assembly 72, a coupler 73 and a driving motor 74. One end of the transmission shaft 71 is fixedly connected with the magnet 6, the other end of the transmission shaft passes through the bearing seat assembly 72 to be connected with the coupling 73, and the other half of the coupling 73 is connected with the output end of the driving motor 74. Referring to fig. 3, fig. 3 is a partial cross-sectional view of a bearing housing assembly, the bearing housing assembly 72 includes a housing 721, an end cap 722, a bearing 723, and a sleeve 724; the casing 721 has a hollow structure with two open ends; the number of the end covers 722 is two, and the two end covers are respectively covered on two end faces of the shell 721; the bearing 723 is respectively attached to the two end faces and matched with the inner wall of the shell 721 to support the transmission shaft 71 passing through; the sleeve 724 is disposed between two bearings 723 to position the bearings 723.
The control unit comprises a torque sensor and is used for detecting the torque applied to the temporary fastening piece 1 and feeding back signals, so that closed-loop feedback control is realized.
Preferably, the gripping mechanism 5 is an electromechanical jaw. The gripper divide into pneumatics, hydraulic pressure and electronic three kinds of drive methods, because pneumatics and hydraulic pressure gripper for electric gripper, have the unable accurate control of clamp force, supporting facility and the comparatively complicated problem of control, in addition, pneumatic gripper has the impact at the clamping process, probably causes the damage to interim fastener, consequently the electric gripper that precision height, control are selected for use to this embodiment. The model used in the embodiment is GEP2016IO-06-A, and other electric mechanical claws meeting the use requirements of the embodiment can be used.
Preferably, the magnet 6 is an electromagnet, and a dc chuck electromagnet is used in this embodiment, but any electromagnet may be used according to the requirements of this embodiment.
The specific working process is as follows: in the initial state, the clamping mechanism is in an open state, and the temporary fastener is taken by the feeding mechanism and conveyed between the clamping mechanism and the magnet. When the control unit detects that the temporary fastening piece is in place, the feeding mechanism controls the temporary fastening piece to move slowly until the temporary fastening piece reaches the position right in front of the magnet, and then the temporary fastening piece is moved slightly until the temporary fastening piece is attracted by the magnet. When the control unit detects that the temporary fastening piece is attached to the magnet, the clamping mechanism starts to operate to clamp the temporary fastening piece. The feed mechanism releases the temporary fasteners and returns to the home position, while the remaining structure of the temporary fastener installation apparatus (i.e., the structure other than the feed mechanism) is moved to the designated assembly location by an external device. Then the linear motor is started to drive the base to do linear movement, and the temporary fastening piece is inserted into the corresponding mounting hole. At the moment, the driving motor is started, and the magnet is rotated through the rotating mechanism, so that the refined socket head cap screws are driven to rotate, and the temporary fastening pieces are installed. Adopt magnet to replace box spanner, its principle is through exerting pressure according to friction disc among the friction clutch, produces friction torque to reach the effect of transmission moment, and the refined socket head cap screw of temporary tightening piece is the metal material, and the magnetic force of magnet alright regard as pressure, produces friction torque, drives the rotation of refined socket head cap screw, realizes box spanner's effect. According to the signal fed back by the torque sensor, the driving motor is controlled to stop rotating after reaching the specified torque, and the temporary fastening piece is loosened by the clamping mechanism to finish the installation. The linear motor is then retracted back into the home position and the remaining structure moved to the designated assembly position is moved back to the initial position by an external device. And repeating the steps to realize the installation of a plurality of temporary fasteners.
Compared with the prior art, the utility model discloses a magnet replaces box spanner's scheme, has solved the shortcoming that the polygon sleeve confines to a specification temporary fastening spare, has reduced servo motor quantity, has simplified installation and mechanical structure. Meanwhile, the device eliminates pneumatic and hydraulic devices, and uses various electric devices to form a complete electric control system, thereby being convenient for unified control and operation. In addition, the electric device has high operation precision and no impact, and meets the requirement of automatic installation of temporary fasteners.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, to those skilled in the art, changes and modifications may be made without departing from the spirit of the invention, and it is intended that the invention also encompass such changes and modifications.
Claims (9)
1. A temporary fastener installation device, the temporary fastener including a body and a fine socket head cap screw, comprising:
a base;
the clamping mechanism is arranged on the base and used for clamping the body;
and the magnet is arranged on the base corresponding to the clamping mechanism through a rotating mechanism and used for attracting the end surface of the refined socket head cap screw.
2. A temporary fastener installation device, according to claim 1, wherein: the magnet is an electromagnet.
3. A temporary fastener installation device, according to claim 1, wherein: the clamping mechanism is an electric mechanical claw.
4. A temporary fastener installation device according to any one of claims 1 to 3, wherein: the base is arranged on the fixed seat in a sliding mode through a linear reciprocating feeding mechanism.
5. A temporary fastener installation device, according to claim 4, wherein: the linear reciprocating feeding mechanism comprises:
the linear guide rail pair is arranged between the fixed seat and the base;
the linear motor is installed between the fixed seat and the base.
6. A temporary fastener installation device, according to claim 5, wherein: the rotating mechanism comprises a transmission shaft, a bearing seat assembly, a coupler and a driving motor, one end of the transmission shaft is fixedly connected with the magnet, the other end of the transmission shaft penetrates through the bearing seat assembly to be connected with the coupler, and the other half of the coupler is connected with the output end of the driving motor; the bearing seat assembly comprises a shell, an end cover, a bearing and a sleeve; the shell is a hollow structure with two open ends; the two end covers are respectively covered on the two end surfaces of the shell; the bearings are respectively attached to the two end faces and matched with the inner wall of the shell to support the transmission shaft which penetrates through the bearings; the sleeve is arranged between the two bearings to position the bearings.
7. A temporary fastener installation device, according to claim 6, wherein: the temporary fastener clamping device further comprises a feeding mechanism, and the feeding mechanism is used for conveying the temporary fastener to the clamping end of the clamping mechanism.
8. A temporary fastener installation device, according to claim 7, wherein: the feeding mechanism is an industrial robot.
9. A temporary fastener installation device according to claim 7 or 8, wherein: the device also comprises a control unit for controlling the operation of each mechanism in the device; the control unit comprises a torque sensor and is used for detecting the torque applied to the temporary fastening piece and feeding back signals, so that closed-loop feedback control is realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022336821.6U CN213497592U (en) | 2020-10-19 | 2020-10-19 | Temporary fastener installation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022336821.6U CN213497592U (en) | 2020-10-19 | 2020-10-19 | Temporary fastener installation device |
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| CN213497592U true CN213497592U (en) | 2021-06-22 |
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| CN202022336821.6U Active CN213497592U (en) | 2020-10-19 | 2020-10-19 | Temporary fastener installation device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115027694A (en) * | 2022-04-29 | 2022-09-09 | 韶关学院 | Push type temporary fastener digital assembling and disassembling device and assembling and disassembling equipment |
| CN115674097A (en) * | 2022-10-24 | 2023-02-03 | 韶关学院 | Temporary fastener based on rigid expansion sleeve |
-
2020
- 2020-10-19 CN CN202022336821.6U patent/CN213497592U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115027694A (en) * | 2022-04-29 | 2022-09-09 | 韶关学院 | Push type temporary fastener digital assembling and disassembling device and assembling and disassembling equipment |
| CN115027694B (en) * | 2022-04-29 | 2023-01-06 | 韶关学院 | Push type temporary fastener digital assembling and disassembling device and assembling and disassembling equipment |
| CN115674097A (en) * | 2022-10-24 | 2023-02-03 | 韶关学院 | Temporary fastener based on rigid expansion sleeve |
| CN115674097B (en) * | 2022-10-24 | 2023-09-01 | 韶关学院 | Temporary fastener based on rigid expansion sleeve |
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