CN112974920A - Self-adaptive positioning device for wing butt joint intersection point hole drilling jig - Google Patents
Self-adaptive positioning device for wing butt joint intersection point hole drilling jig Download PDFInfo
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- CN112974920A CN112974920A CN202110199251.7A CN202110199251A CN112974920A CN 112974920 A CN112974920 A CN 112974920A CN 202110199251 A CN202110199251 A CN 202110199251A CN 112974920 A CN112974920 A CN 112974920A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B47/00—Constructional features of components specially designed for boring or drilling machines; Accessories therefor
- B23B47/28—Drill jigs for workpieces
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Abstract
The invention discloses a self-adaptive positioning device for a wing butt joint intersection hole drill jig, which comprises two drill jig positioners, a self-adaptive floating mechanism, a lifting transmission assembly and a drill jig plate assembly, wherein the self-adaptive floating mechanism can be fixed on the drill jig positioners in a vertically sliding manner; the self-adaptive floating mechanism comprises a mounting box which can be fixed on the drill jig positioner in a vertical sliding manner, a plurality of springs arranged in the mounting box, a floating plate fixed at the upper end part of the springs and a drill plate mounting seat fixed on the floating plate; a floating fixing device is arranged between the mounting box and the floating plate, and a guide rail sliding block assembly is arranged on the drill plate mounting seat; the drill plate assembly is fixed on the upper end surface of the guide rail sliding block assembly. The drilling template micro-motion adjusting device can meet the requirement of micro-motion adjustment of six degrees of freedom of the drilling template in a theoretical position, and is convenient to hoist and fast to position the drilling template.
Description
Technical Field
The invention belongs to the field of airplane digital assembly finish machining, and particularly relates to a self-adaptive positioning device for a wing butt joint point hole drilling jig.
Background
In the field of aerospace manufacturing, because the structure of an airplane wing is complex, the size is large, the rigidity is weak, the positioning and clamping are difficult, and the processing precision is difficult to ensure.
The traditional method directly arranges a special clamping device for the wings to clamp the wings, but the method has long design period and high cost, can not flexibly clamp and position various wings, and can not realize digital manufacturing.
Drill plates are used extensively in aircraft construction as a means of interconnecting two or more parts. The structure is stable and reliable, and the requirement of hole sites of fasteners on airplanes can be met.
Chinese patent publication No. CN211162079U discloses a vacuum adsorption drill plate, which comprises a drill plate, vacuum chucks and a vacuum adsorption air pipe, wherein the shape of the positioning surface of the drill plate matches with the shape of a workpiece, a plurality of drill holes are formed in the drill plate, the left and right sides of the drill plate are respectively and fixedly provided with the vacuum chucks, and the vacuum chucks are connected with a vacuum device through the vacuum adsorption air pipe. The drill jig plate overcomes the manufacturability and the operating efficiency of positioning and hole making of winglet face parts on an assembly fixture, but cannot be applied to wings of large airplanes, and meanwhile, the drill jig plate cannot be finely adjusted in the installation process.
Chinese patent publication No. CN204381485U discloses an ADU drilling template for front and rear beams of a central wing, which is used for processing and splitting originally dense hole sites on the front and rear beams of the central wing, and can meet the requirement of drilling holes in a narrow space by combining and applying two drilling templates. However, the coordination between the control of different positions is difficult to be ensured by splitting and processing the hole positions.
Disclosure of Invention
The invention provides a self-adaptive positioning device for a wing butt joint point hole drilling jig, which can meet the requirement of six-degree-of-freedom micro-motion adjustment of a drilling template at a theoretical position, and is convenient to adjust and install and quick to position the drilling template.
A self-adaptive positioning device for a wing butt joint intersection hole drilling jig comprises two drilling jig positioners, self-adaptive floating mechanisms which can slide up and down and are fixed on the drilling jig positioners, lifting transmission assemblies which drive the two self-adaptive floating mechanisms to slide up and down simultaneously, and drilling jig plate assemblies which are fixed on the upper end surfaces of the two self-adaptive floating mechanisms;
the self-adaptive floating mechanism comprises a mounting box which can be fixed on the drill jig positioner in a vertical sliding manner, a plurality of springs arranged in the mounting box, a floating plate fixed at the upper end part of the springs and a drill plate mounting seat fixed on the floating plate;
a floating fixing device is arranged between the mounting box and the floating plate, and a guide rail sliding block assembly is arranged on the drill plate mounting seat; the drill plate assembly is fixed on the upper end surface of the guide rail sliding block assembly.
In the invention, the drill jig positioner is connected with the self-adaptive floating mechanisms, a set of self-adaptive floating mechanisms are respectively arranged on the left and the right to complete the support and positioning of two ends of the drill jig plate assembly, and the left and the right self-adaptive floating mechanisms ensure synchronous movement by the lifting transmission assembly. The drill plate assembly can adapt to the wing in a floating mode through the self-adaptive floating mechanism, so that the flexible positioning can be achieved according to the actual position of a product in the clamping and positioning process of the wing, and the adjustment and the quick positioning of the drill plate assembly are facilitated.
Preferably, the floating fixing device of the self-adaptive floating mechanism comprises at least one jacking screw arranged between the mounting box and the floating plate, and a limiting insertion sheet matched with an insertion sheet seam arranged on the side wall of the mounting box; the limiting insertion piece limits the deformation of the spring after being inserted into the insertion piece seam.
When the drill jig plate assembly is lifted, the jacking screws are loosened, the drill jig plate assembly is lifted in a complete free state, and the extrusion or stretching of the drill jig plate assembly caused by factors such as asynchronous lifting of the drill jig positioner, unparallel installation of the drill jig positioner and the like can be avoided. After the spring is adjusted in place, the spring can be positioned and fixed by utilizing the limiting insertion piece.
Preferably, the guide rail sliding block assembly comprises a guide rail fixed on the drill jig plate mounting seat and a sliding block in sliding fit with the guide rail, and a manual driving mechanism is arranged on the sliding block; the drill plate assembly is fixed on the upper end face of the sliding block. The guide rail sliding block assembly is used for fine adjustment and positioning when the drill plate assembly is installed on the self-adaptive floating mechanism.
Furthermore, a plurality of positioning holes are formed in the drill jig plate mounting seat along the sliding direction of the sliding block, the sliding block is provided with an insertion hole, and the sliding block is matched with the positioning holes to be positioned and fixed after the positioning pin is inserted into the insertion hole. After the slide block is adjusted to a proper position, the positioning pin is inserted, and the position of the drill plate can be fixed.
The drill plate assembly comprises a horizontal drill plate, a vertical drill plate and a special C-shaped clamp, wherein two ends of the horizontal drill plate are respectively fixed with the upper end face of the sliding block, the vertical drill plate is arranged on the horizontal drill plate, and the special C-shaped clamp is fixed on the vertical drill plate and used for clamping the wingspan direction of the wing; and the horizontal drilling template and the vertical drilling template are respectively provided with a drilling template of an upper wing wall plate connecting hole and a lower wing wall plate connecting hole. The drill jig plate can meet the requirement of fine machining of the connecting hole on the single-side upper wing surface of the wing and can also meet the requirement of fine machining of the connecting hole on the lower wing surface.
Further, the jig positioner comprises a mounting frame, a screw rod rotatably fixed on the mounting frame and a sliding table which is matched with the screw rod and slides up and down, and the mounting box is fixed with the sliding table.
Preferably, the lifting transmission assembly comprises a servo motor, the output end of the servo motor is in transmission connection with the two transmission shafts through a speed reducer, and the transmission shafts are in transmission connection with the lower end of the screw rod through a gear rotating mechanism. The sliding tables of the two drilling jig positioners synchronously drive the screw rod to rotate through the lifting transmission assembly to control lifting, so that the lifting synchronization of the two drilling jig positioners is ensured.
Preferably, the mounting frame is provided with an absolute grating ruler. And the lifting of each drill jig positioner is fed back by a grating ruler, so that the lifting is monitored in real time and synchronized.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the self-adaptive floating mechanism matched with the drill jig positioners is arranged, so that the drill jig plate assembly can be lifted in a completely free state when the drill jig plate assembly is lifted vertically, and the extrusion or stretching of the drill jig plate caused by the factors of asynchronous lifting of the two drill jig positioners, unparallel installation of the drill jig positioners and the like can be avoided.
2. The drill jig positioners are driven by the lifting transmission assembly to lift the sliding tables on the two screw rods, so that the two drill jig positioners are guaranteed to lift synchronously, and meanwhile, each positioner lifts and has the feedback of a grating ruler, so that the lifting is monitored synchronously in real time.
3. The drill jig integrating the upper wall plate connecting hole and the lower wall plate connecting hole on the drill jig plate effectively ensures the mutual coordination between the upper wall plate connecting hole and the lower wall plate connecting hole; the drill jig plate can meet the requirement of fine machining of the connecting hole of the single-side upper wing surface of the wing and can also meet the requirement of fine machining of the connecting hole of the lower wing surface.
Drawings
FIG. 1 is a schematic view of the overall structure of a self-adaptive positioning device for a wing butt joint intersection point hole drilling jig of the invention;
FIG. 2 is a schematic structural diagram of the jig positioner according to the present invention;
FIG. 3 is a schematic structural view of the lifting transmission assembly of the present invention;
FIG. 4 is a schematic structural diagram of an adaptive floating mechanism according to the present invention;
FIG. 5 is a schematic diagram of a drill plate assembly according to the present invention;
FIG. 6 is a schematic top view of the drill plate assembly of the present invention.
Detailed Description
The invention will be described in further detail below with reference to the drawings and examples, which are intended to facilitate the understanding of the invention without limiting it in any way.
As shown in fig. 1, a self-adaptive positioning device for a wing butt-joint intersection hole drilling jig comprises two drilling jig positioners 3, self-adaptive floating mechanisms 2 fixed on the drilling jig positioners 3 in a vertical sliding manner, a lifting transmission assembly 4 driving the two self-adaptive floating mechanisms 2 to slide vertically and simultaneously, and a drilling template assembly 1 fixed on the upper end surfaces of the two self-adaptive floating mechanisms 2.
Specifically, as shown in fig. 2, the jig positioner 3 includes a mounting bracket 31, a screw rod 32 rotatably fixed on the mounting bracket 31, and a sliding table 33 which is engaged with the screw rod 32 and slides up and down. The sliding table 20 on the mounting frame 31 can be driven to move up and down in the rotation process of the screw rod 32. Be equipped with absolute formula grating chi 34 on the mounting bracket 31, through grating chi's feedback, can the lift synchronization of two slip tables 33 of real time monitoring.
The screw rods 32 on the two jig positioners 3 are synchronously driven by the lifting transmission assembly 4. As shown in fig. 3, the lifting transmission assembly 4 includes a servo motor 41, an output end of the servo motor 41 is in transmission connection with two transmission shafts 43 through a speed reducer 42, and each transmission shaft 43 is in transmission connection with a lower end of the screw rod 32 through a gear rotating mechanism 35 on the mounting frame 31.
The servo motor 41 of the lifting transmission assembly 4 synchronously drives the screw rod 32 to rotate so as to control the synchronous lifting of the sliding table 33.
As shown in fig. 4, (a) shows a front view of the adaptive floating mechanism 2, and (b) shows a side view, the adaptive floating mechanism 2 includes a mounting box 21 slidably fixed to a slide table 33 up and down, four springs 22 provided at four corners in the mounting box 21, a floating plate 23 fixed to the four springs, and a jig plate mounting base 24 fixed to the floating plate 23.
The drill jig plate mounting seat 24 is provided with a guide rail sliding block assembly, the guide rail sliding block assembly comprises a guide rail fixed on the drill jig plate mounting seat 24 and a sliding block 25 in sliding fit with the guide rail, and the sliding block 25 is provided with a manual driving mechanism 26. The end of the bushing plate mounting seat 24, which is far away from the sliding block 25, is provided with a limiting block 20 to prevent the sliding block 25 from separating from the bushing plate mounting seat 24. The drill plate assembly 1 is fixed on the upper end surface of the slide 25.
Furthermore, a floating fixing device is arranged between the mounting box 21 and the floating plate 23, and the floating fixing device comprises four jacking screws 27 arranged between the mounting box 21 and the floating plate 23, and a limiting insertion sheet 28 matched with an insertion sheet seam arranged on the side wall of the mounting box 21; the stop tab 28 limits the deformation of the spring 22 after insertion into the tab slot. In this embodiment, four limit insertion pieces 28 are used in cooperation with the springs 22, and four tightening screws 27 are respectively arranged between two adjacent springs 22.
The drill jig plate mounting seat 24 is provided with a plurality of positioning holes along the sliding direction of the sliding block 25, the sliding block 25 is provided with insertion holes, and the sliding block 25 is matched with the positioning holes for positioning and fixing after being inserted into the positioning pins 29 through the insertion holes.
As shown in fig. 5 and 6, the bushing plate assembly 1 includes a horizontal bushing plate 11 with two ends respectively fixed to the upper end surfaces of the sliding blocks 25, a vertical bushing plate 12 fixed to the horizontal bushing plate 11, and a special C-shaped clamp 13 fixed to the vertical bushing plate 12 for clamping the wingspan direction of the wing. The vertical drilling template 12 is integrated with a drilling template 14 of a connecting hole of an upper wall plate of the wing, and the horizontal drilling template 11 is integrated with a drilling template 15 of a connecting hole of a lower wall plate of the wing.
The use process of the self-adaptive positioning device for the wing butt joint intersection point hole drilling jig is described below.
(1) The drilling jig plate component 1 is positioned by the drilling jig positioner 3 to realize the switching between the avoiding state and the working state. When the drill plate assembly 1 is adjusted to work, the adaptive floating mechanism 2 can be connected to form a stable mechanism.
(2) When the drill plate assembly 1 is floated to adapt to a product, only the positioning pin 29 needs to be pulled out, the jacking screw 27 is loosened, and the limiting insertion piece 28 is taken out. The drill plate assembly 1 is fully supported by the spring 22 in the adaptive floating mechanism 2. The self-adaptive floating mechanism 2 can meet the requirements that the drill plate assembly 1 is adjusted within the range of +/-3 mm of course, +/-3 mm of spreading direction, +/-5 mm of up and down, +/-0.5 degree of deflection angle and +/-5 degrees of pitch angle.
(3) And (3) positioning the wing in the wingspan direction, clamping the product and a drilling template 12 by using a special C-shaped clamp 13, and filling a gasket with the thickness of 7mm and the like in the middle, wherein the gasket is integrated on the special C-shaped clamp 13. The positioning of the drill plate 12 and the product in the wingspan direction is realized.
(4) The drill jig positioner 3 drives the screw rod 32 to complete lifting through the speed reducer 42 and the transmission shaft 43 by one servo motor 41, so that the lifting synchronization of the two drill jig positioners 3 is ensured, and each positioner is fed back by the absolute grating ruler 34 during lifting, so that the lifting synchronization is monitored in real time.
The embodiments described above are intended to illustrate the technical solutions and advantages of the present invention, and it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, additions and equivalents made within the scope of the principles of the present invention should be included in the scope of the present invention.
Claims (8)
1. A self-adaptive positioning device for a wing butt joint intersection hole drill jig is characterized by comprising two drill jig positioners, a self-adaptive floating mechanism which can be fixed on the drill jig positioners in a vertical sliding manner, a lifting transmission assembly which drives the two self-adaptive floating mechanisms to slide vertically and simultaneously, and a drill plate assembly which is fixed on the upper end surfaces of the two self-adaptive floating mechanisms;
the self-adaptive floating mechanism comprises a mounting box which can be fixed on the drill jig positioner in a vertical sliding manner, a plurality of springs arranged in the mounting box, a floating plate fixed at the upper end part of the springs and a drill plate mounting seat fixed on the floating plate;
a floating fixing device is arranged between the mounting box and the floating plate, and a guide rail sliding block assembly is arranged on the drill plate mounting seat; the drill plate assembly is fixed on the upper end surface of the guide rail sliding block assembly.
2. The self-adaptive positioning device for the wing butt joint intersection point hole drilling jig as claimed in claim 1, wherein the floating fixing device comprises at least one tightening screw arranged between the mounting box and the floating plate, and a limiting insertion sheet matched with an insertion sheet seam arranged on the side wall of the mounting box; the limiting insertion piece limits the deformation of the spring after being inserted into the insertion piece seam.
3. The self-adaptive positioning device for the wing butt joint intersection point hole drilling jig as claimed in claim 1, wherein the guide rail sliding block assembly comprises a guide rail fixed on the drilling jig plate mounting seat and a sliding block in sliding fit with the guide rail, and a manual driving mechanism is arranged on the sliding block; the drill plate assembly is fixed on the upper end face of the sliding block.
4. The self-adaptive positioning device for the wing butt joint intersection point hole drilling jig as claimed in claim 3, wherein a plurality of positioning holes are formed in the drilling template mounting seat along the sliding direction of the sliding block, the sliding block is provided with an insertion hole, and the sliding block is positioned and fixed by being matched with the positioning holes after the insertion hole is inserted into a positioning pin.
5. The self-adaptive positioning device for the wing butt-joint intersection hole drill jig as claimed in claim 1, wherein the drill plate assembly comprises a horizontal drill plate, a vertical drill plate and a special C-shaped clamp, wherein two ends of the horizontal drill plate are respectively fixed to the upper end face of the sliding block, the vertical drill plate is arranged on the horizontal drill plate, and the special C-shaped clamp is fixed to the vertical drill plate and used for clamping the wing in the wingspan direction; and the horizontal drilling template and the vertical drilling template are respectively provided with a drilling template of an upper wing wall plate connecting hole and a lower wing wall plate connecting hole.
6. The self-adaptive positioning device for the wing butt joint intersection hole drill jig according to claim 1, wherein the drill jig positioner comprises a mounting frame, a screw rod rotatably fixed on the mounting frame, and a sliding table matched with the screw rod and capable of sliding up and down, and the mounting box is fixed with the sliding table.
7. The self-adaptive positioning device for the wing butt joint point hole drilling jig according to claim 6, wherein the lifting transmission assembly comprises a servo motor, the output end of the servo motor is in transmission connection with two transmission shafts through a speed reducer, and the transmission shafts are in transmission connection with the lower end of the screw rod through a gear rotating mechanism.
8. The adaptive positioning device for the wing butt-joint intersection point hole drilling jig according to claim 6, wherein an absolute grating ruler is arranged on the mounting frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110199251.7A CN112974920B (en) | 2021-02-22 | 2021-02-22 | Self-adaptive positioning device for wing butt joint intersection point hole drilling jig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110199251.7A CN112974920B (en) | 2021-02-22 | 2021-02-22 | Self-adaptive positioning device for wing butt joint intersection point hole drilling jig |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112974920A true CN112974920A (en) | 2021-06-18 |
| CN112974920B CN112974920B (en) | 2022-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110199251.7A Active CN112974920B (en) | 2021-02-22 | 2021-02-22 | Self-adaptive positioning device for wing butt joint intersection point hole drilling jig |
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| CN (1) | CN112974920B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5299894A (en) * | 1992-12-23 | 1994-04-05 | The Boeing Company | Workpiece positioning and drilling end effector |
| CN105312628A (en) * | 2015-10-27 | 2016-02-10 | 安徽合力股份有限公司 | Drill jig for drilling holes in two ends of long and thin push rods |
| CN107088670A (en) * | 2017-06-15 | 2017-08-25 | 徐州世通重工机械制造有限责任公司 | A kind of drill jig for being used to process special construction workpiece |
| CN206717089U (en) * | 2017-05-08 | 2017-12-08 | 西安市阎良区华航机械厂 | A kind of positioning and clamping drilling equipment |
| CN206839683U (en) * | 2017-06-29 | 2018-01-05 | 潍坊宝润机械有限公司 | A kind of Multi-drill bit drilling jig tool |
| CN108437564A (en) * | 2018-05-09 | 2018-08-24 | 句容市东山纸品厂 | A kind of honeycomb core perforating mechanism |
| CN208303966U (en) * | 2018-06-08 | 2019-01-01 | 天津移山工程机械有限公司 | A kind of drill jig of lid plate type part |
| CN110711880A (en) * | 2019-09-02 | 2020-01-21 | 洛阳双瑞风电叶片有限公司 | Wind-powered electricity generation blade connects arrester installation device |
| CN112296402A (en) * | 2020-04-21 | 2021-02-02 | 蒋元明 | Drilling clamp of special cover body |
-
2021
- 2021-02-22 CN CN202110199251.7A patent/CN112974920B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5299894A (en) * | 1992-12-23 | 1994-04-05 | The Boeing Company | Workpiece positioning and drilling end effector |
| CN105312628A (en) * | 2015-10-27 | 2016-02-10 | 安徽合力股份有限公司 | Drill jig for drilling holes in two ends of long and thin push rods |
| CN206717089U (en) * | 2017-05-08 | 2017-12-08 | 西安市阎良区华航机械厂 | A kind of positioning and clamping drilling equipment |
| CN107088670A (en) * | 2017-06-15 | 2017-08-25 | 徐州世通重工机械制造有限责任公司 | A kind of drill jig for being used to process special construction workpiece |
| CN206839683U (en) * | 2017-06-29 | 2018-01-05 | 潍坊宝润机械有限公司 | A kind of Multi-drill bit drilling jig tool |
| CN108437564A (en) * | 2018-05-09 | 2018-08-24 | 句容市东山纸品厂 | A kind of honeycomb core perforating mechanism |
| CN208303966U (en) * | 2018-06-08 | 2019-01-01 | 天津移山工程机械有限公司 | A kind of drill jig of lid plate type part |
| CN110711880A (en) * | 2019-09-02 | 2020-01-21 | 洛阳双瑞风电叶片有限公司 | Wind-powered electricity generation blade connects arrester installation device |
| CN112296402A (en) * | 2020-04-21 | 2021-02-02 | 蒋元明 | Drilling clamp of special cover body |
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| CN112974920B (en) | 2022-04-12 |
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