CN216328273U - Skin butt joint edge trimming precision scriber - Google Patents
Skin butt joint edge trimming precision scriber Download PDFInfo
- Publication number
- CN216328273U CN216328273U CN202122766062.1U CN202122766062U CN216328273U CN 216328273 U CN216328273 U CN 216328273U CN 202122766062 U CN202122766062 U CN 202122766062U CN 216328273 U CN216328273 U CN 216328273U
- Authority
- CN
- China
- Prior art keywords
- scribing
- plate
- skin
- hole
- pen
- 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.)
- Active
Links
Images
Abstract
The utility model discloses a skin butt edge trimming precision scriber which comprises a running rule, a scribing plate, a pointer, a scribing pen rack, a scribing pen, an alignment ruler and a process base plate, wherein the running rule is used for marking a workpiece; the method comprises the following steps that a guiding ruler blocks the edge of a datum skin, a process base plate is placed at the other end of the guiding ruler, a scribing plate is placed on the process base plate, a scribing pen through hole is formed in the scribing plate, scale marks are arranged on two sides of the upper surface of the scribing plate, a pointer is placed on the scribing plate, the pointer, the scribing plate and the process base plate are compressed and fixed on the guiding ruler through a threaded pin, a fastener is loosened, the scribing plate can move back and forth along the length direction of the guiding ruler, the skin to be trimmed is placed under the scribing plate, a scribing pen sequentially penetrates through a scribing pen rack and the scribing plate until the upper surface of the skin to be trimmed is reached, the turning edge of the guiding ruler moves along the edge of the datum skin, and a scribing pen scribes a trimming edge line on the surface of the skin to be trimmed.
Description
Technical Field
The application relates to the technical field of aircraft assembly, in particular to a skin butt joint edge trimming precision scriber.
Background
In the process of airplane butt joint, a skin joint area between two wall plates exists, and as most of the joint area is of a curved surface configuration and is large in size, the precision fit of a butt joint area is difficult to meet through direct skin manufacturing and processing. Therefore, a process of scribing and trimming the skin to be trimmed based on one skin is often required on a rack.
The traditional skin butt joint scribing method is characterized in that the conventional skin butt joint scribing is realized through coordinated positioning scribing and handheld scriber scribing, and a plurality of scribing structures are provided. However, besides the coordinate positioning scribing, due to the influence of alignment and operation structures, the scribing precision of the existing handheld traditional scriber structure is generally over 0.5, and the realization difficulty is high for the assembly of airplane part products with high seam precision requirements. Therefore, the scriber with the adjustment precision of less than 0.5mm is urgently needed to be developed to meet the assembly requirement of the airplane.
Disclosure of Invention
The application aims at providing a skin butt-joint edge trimming precision scriber which is suitable for scribing with the adjustment precision of less than 0.5mm in the process of airplane assembly butt joint.
In order to achieve the above purpose, the following technical scheme is adopted to realize the purpose:
a skin butt joint edge trimming precision scriber structurally comprises a guiding ruler, a scribing plate, a pointer, a scribing pen rack, a scribing pen, an alignment ruler and a process base plate; the guiding ruler is of a plate-shaped structure, one end of the guiding ruler is of a trapezoid tip structure and is provided with a downward flanging, the edge of a reference skin is clamped by the flanging structure, a process base plate is placed at the other end of the guiding ruler, a scribing board is placed on the process base plate, one end of the scribing board is provided with a scribing pen through hole, the other end of the scribing board is provided with a slotted hole through which a threaded pin passes, scale marks are arranged on two sides of the upper surface of the slotted hole, a pointer is placed at the other end of the scribing board with the slotted hole, the threaded pin sequentially penetrates through the pointer, the scribing board, the process base plate and the guiding ruler, the pointer, the scribing board and the process base plate are tightly pressed and fixed on the guiding ruler through a fastener, the fastener is loosened, the scribing board can move back and forth along the length direction of the guiding ruler, the skin to be repaired is placed under the scribing board, a scribing penholder is fixed on the upper surface of one end of the scribing board, a scribing pen is placed on the scribing holder and can move up and down along the normal direction of the skin to be repaired, the scribing pen sequentially penetrates through the scribing holder and the scribing board until the upper surface of the skin to be repaired skin is cut, the running rule is turned over and moves along the edge of the reference skin, a scribing pen is used for scribing a trimming edge line on the surface of the skin to be trimmed, the alignment rule is of a notch structure, and the notch is fixedly clamped on the side face of the trapezoidal tip of the running rule.
The pointer is of a T-shaped structure, one end of the pointer is of a pointer type structure with two pointed ends at the middle round hole, the part of the positioning pin penetrating through the round hole is fixed on the upper surface of the scribing board, the other end of the pointer is of a lower groove type guide structure and is buckled on the upper surface and two sides of the scribing board through the lower groove type guide structure, and the scribing board can slide back and forth along the groove type guide structure of the pointer.
The scribing pen rack comprises a supporting seat, a spring clamping plate, a shaft sleeve and a fixed seat, wherein the supporting seat is of an upper groove-shaped structure, a groove-shaped bottom plate is fixed on the upper surface of the scribing plate on two sides of the long circular hole, the vertical edges of the groove-shaped structure are also distributed on two sides of the long circular hole and stand upwards, and the inner side surfaces and the two side edges of the vertical edges are of guide plane structures; the spring clamping plate is of a rectangular flat plate structure with a through hole in the middle, and two ends of the spring clamping plate are fixed on the upper surface of the groove-shaped structure vertical edge of the supporting seat through hexagon bolts; the shaft sleeve is of a hollow sleeve structure, one end of the shaft sleeve is provided with an optical shaft matched with the hole of the spring clamping plate, and the other end of the shaft sleeve is provided with an external thread; the fixed seat is of a double-cross flat plate structure, a central hole is formed in the middle of the double cross and is matched with the external threads of the shaft sleeve, cross grooves on two sides are nested and matched with the inner side surfaces and the vertical edges of the groove-shaped structure of the supporting seat, the lower surface of the support seat is placed on the upper surface of the scribing plate, a compression spring is arranged outside the shaft sleeve between the upper surface of the support seat and the spring clamping plate, threaded holes pointing to the central hole are formed in two sides of the linear structure below the end of the shaft sleeve, and a plunger bolt is configured; the marking pen passes through the inner hole of the shaft sleeve and the central hole of the fixing seat and is tightly pressed in the central hole of the fixing seat through a plunger bolt.
The lower end of the compression spring is fixed on the upper surface of the fixed seat through compression joint. The upper surface of the scribing board is provided with scale marks at the two side edges of the long circular hole, the scale marks are scaled towards the two sides of the scribing board in the length direction by taking the center of the long circular hole as a reference, and the distance between the scale marks is less than 0.1 mm. The fit clearance between the shaft sleeve optical axis and the spring clamp plate through hole is smaller than 0.2mm, and the fit clearance between the fixing seat cross groove and the groove-shaped structure vertical edge of the supporting seat is smaller than 0.1 mm. The axial compression force of the compression spring is more than 10N after the compression spring is installed in place, and the maximum compressible amount in the state is more than 0.5 mm.
Before the marking plate moves, the marking plate scale mark aligned when the end surface of the groove opening side of the ruler is flush with the inner side of the flange of the guiding ruler and the pen point of the marking pen is used as an adjusting reference, and the marking plate scale mark moves along the length direction of the guiding ruler according to the skin trimming allowance and the scale mark.
The method has the advantages that the method is combined with the methods of aligning plane moving scribed lines, adapting to uneven surfaces due to small changes of springs, reducing the size of scale lines and the like, the method realizes the butt seam scribing of the aircraft skin below 0.5mm, and has universal applicability to the scribing with higher precision assembled by similar structures.
The present application will be described in further detail with reference to the following drawings and examples.
Drawings
FIG. 1 is a schematic view of a skin butt edge trimming precision scriber;
FIG. 2 is a schematic sectional view of a skin butt edge trimming precision scriber;
FIG. 3 is a schematic view of the use state of a skin butt-edge trimming precision scriber.
The numbering in the figures illustrates: 1. a guiding rule; 2. marking a plate; 3. a pointer; 4. a marking pen rack; 5. a marking pen; 6. aligning a ruler; 7. a process base plate; 8. a reference skin; 9. a threaded pin; 10. scale lines; 11. a butterfly nut; 12. a gasket; 13. skin is to be trimmed; 14. a supporting seat; 15. a spring catch plate; 16. a shaft sleeve; 17. a fixed seat; 18. a hexagon bolt; 19. a compression spring; 20. and a plunger bolt.
Detailed Description
Referring to fig. 1 to 3, the present application is mainly directed to a marking line with an adjustment accuracy of less than 0.5mm during an aircraft assembly docking process. A skin butt joint edge trimming precision scriber is structurally characterized by comprising a guiding rule 1, a scribing plate 2, a pointer 3, a scribing pen rack 4, a scribing pen 5, an alignment rule 6 and a process base plate 7; the guiding ruler 1 is of a plate-shaped structure, one end of the guiding ruler 1 is of a trapezoid tip structure and is provided with a downward flanging, the edge of a reference skin 8 is clamped by the flanging structure, a technical backing plate 7 is placed at the other end of the guiding ruler 1, a scribing plate 2 is placed on the technical backing plate 7, one end of the scribing plate 2 is provided with a hole for a scribing pen 5, the other end of the scribing plate 2 is provided with a slotted hole for a threaded pin 9 to pass through, scale marks 10 are arranged on two sides of the upper surface of the slotted hole, a pointer 3 is placed on the other end of the scribing plate 2 with the slotted hole, the threaded pin 9 sequentially penetrates through the pointer 3, the scribing plate 2, the technical backing plate 7 and the guiding ruler 1, the pointer 3, the scribing plate 2 and the technical backing plate 7 are pressed and fixed on the guiding ruler 1 through fasteners such as a butterfly nut 11 and a gasket 12, the fasteners are loosened, the scribing plate 2 can move back and forth along the length direction of the guiding ruler 1, a skin 13 to be trimmed is placed under the scribing plate 2, a scribing pen stand 4 is fixed on the upper surface of one end of the scribing plate 2, the marking pen 5 is placed on the marking pen rack 4 and can move up and down along the normal direction of the skin 13 to be trimmed, the marking pen 5 sequentially penetrates through the marking pen rack 4 and the marking plate 2 until the upper surface of the skin 13 to be trimmed is obtained, the flange of the guiding ruler 1 moves along the edge of the reference skin 8, the marking pen 5 marks a trimming edge line on the surface of the skin 13 to be trimmed, the aligning ruler 6 is of a notch structure, and the notch is clamped and fixed on the side face of the trapezoidal tip of the guiding ruler 1.
The pointer 3 is a T-shaped structure, one end of the pointer is a pointer-type structure with a middle round hole and two pointed ends, the part of the positioning pin penetrating the threaded pin 9 through the round hole is fixed on the upper surface of the scribing plate 2, the other end of the pointer 4 is a lower groove-shaped guide structure and is buckled on the upper surface and two sides of the scribing plate 2 through the lower groove-shaped guide structure, and the scribing plate 2 can slide back and forth along the groove-shaped guide structure of the pointer 3.
The marking pen rack 4 comprises a supporting seat 14, a spring clamping plate 15, a shaft sleeve 16 and a fixed seat 17, wherein the supporting seat 14 is of an upper groove-shaped structure, a groove-shaped bottom plate is fixed on the upper surfaces of the marking plates on two sides of the long circular hole, the vertical edges of the groove-shaped structure are also distributed on two sides of the long circular hole and stand upwards, and the inner side surfaces and two side edges of the vertical edges are of guide plane structures; the spring catch plate 15 is a rectangular flat plate structure with a through hole in the middle, and two ends of the spring catch plate are fixed on the upper surface of the groove-shaped structure vertical edge of the supporting seat 14 through hexagon bolts 18; the shaft sleeve 16 is of a hollow sleeve structure, one end of the shaft sleeve is provided with an optical axis matched with the hole of the spring clamping plate 15, and the other end of the shaft sleeve is provided with an external thread; the fixed seat 17 is of a double-cross flat plate structure, a central hole is formed in the middle of a double cross and is matched with an external thread of the shaft sleeve 16, cross grooves on two sides are in nested fit with inner sides and vertical sides of two sides of a groove-shaped structure of the supporting seat 14, the lower surface of the groove-shaped structure is placed on the upper surface of the scribing plate 2, a compression spring 19 is arranged outside the shaft sleeve 16 between the upper surface of the groove-shaped structure and the spring clamping plate 15, threaded holes pointing to the central hole are formed in two sides of the linear structure below the end head of the shaft sleeve 16, and a plunger bolt 20 is configured; the marking pen 5 penetrates through an inner hole of the shaft sleeve 16 and a central hole of the fixed seat 17 and is tightly pressed in the central hole of the fixed seat 17 through a plunger bolt 20.
The lower end of the compression spring 19 is fixed on the upper surface of the fixed seat 17 by crimping. The scale marks 21 are arranged on the upper surface of the scribing board 2 at the two side edges of the long circular hole, the scale marks 21 are scaled towards the two sides of the scribing board 2 in the length direction by taking the center of the long circular hole as a reference, and the distance between the scale marks 21 is less than 0.1 mm. The fit clearance between the optical axis of the shaft sleeve 16 and the hole of the spring clamping plate 15 is less than 0.2mm, and the fit clearance between the cross groove of the fixing seat 17 and the groove-shaped structure vertical edge of the supporting seat 14 is less than 0.1 mm. The axial compression force of the compression spring 19 is greater than 10N after being installed in place, and the maximum compressible amount in the state is greater than 0.5 mm.
Before the marking plate 2 moves, the scale mark 10 of the marking plate 2 is used as an adjusting reference when the side end face of the notch of the aligning ruler 6 is flush with the flanging inner side of the guiding ruler 1 and the pen point of the marking pen 5, and the marking plate moves along the length direction of the guiding ruler 1 according to the skin trimming allowance and the scale mark 10.
When the device is used, firstly, the pen point of the marking pen 5 is adjusted to a position slightly lower than the lower surface of the marking board 2, the inner side of the trapezoidal tip flanging of the guiding ruler 1 is aligned with the pen point of the marking pen 5 by using the alignment ruler 6, and the position of the pointer 3 at the scale mark 10 on the upper surface of the marking board 2 is recorded; then accurately adjusting the front-back distance of the scribing plate 2 according to the skin butt seam gap and the butt joint distance and the scale mark 10 of the scribing plate 2, and fixing the scribing plate 2 and the guiding ruler 1; secondly, the lower surface of a guiding rule 1 of the scriber is tightly attached to the upper surface of a reference skin 8, the inner side of a trapezoidal tip flanging of the guiding rule 1 is tightly attached to the edge of the reference skin 8, and the lower surface of a scribing plate 2 is placed on the upper surface of a skin 13 to be repaired; and finally, moving the scriber by taking the edge of the reference skin 8 as a track until the track is finished.
Claims (8)
1. A skin butt joint edge trimming precision scriber is characterized by comprising a guiding ruler, a scribing plate, a pointer, a scribing pen rack, a scribing pen, an alignment ruler and a process base plate; the guiding ruler is of a plate-shaped structure, one end of the guiding ruler is of a trapezoid tip structure and is provided with a downward flanging, the edge of a reference skin is clamped by the flanging structure, a process base plate is placed at the other end of the guiding ruler, a scribing board is placed on the process base plate, one end of the scribing board is provided with a scribing pen through hole, the other end of the scribing board is provided with a slotted hole through which a threaded pin passes, scale marks are arranged on two sides of the upper surface of the slotted hole, a pointer is placed at the other end of the scribing board with the slotted hole, the threaded pin sequentially penetrates through the pointer, the scribing board, the process base plate and the guiding ruler, the pointer, the scribing board and the process base plate are tightly pressed and fixed on the guiding ruler through a fastener, the fastener is loosened, the scribing board can move back and forth along the length direction of the guiding ruler, the skin to be repaired is placed under the scribing board, a scribing penholder is fixed on the upper surface of one end of the scribing board, a scribing pen is placed on the scribing holder and can move up and down along the normal direction of the skin to be repaired, the scribing pen sequentially penetrates through the scribing holder and the scribing board until the upper surface of the skin to be repaired skin is cut, the running rule is turned over and moves along the edge of the reference skin, a scribing pen is used for scribing a trimming edge line on the surface of the skin to be trimmed, the alignment rule is of a notch structure, and the notch is fixedly clamped on the side face of the trapezoidal tip of the running rule.
2. The skin butt edge trimming precision scriber of claim 1, wherein the pointer is a T-shaped structure, one end of the pointer is a pointer-shaped structure with a middle round hole and two pointed ends, the positioning pin part penetrating through the round hole and the threaded pin is fixed on the upper surface of the scribing plate, the other end of the pointer is a lower groove-shaped guide structure and is buckled on the upper surface and two sides of the scribing plate through the lower groove-shaped guide structure, and the scribing plate can slide back and forth along the groove-shaped guide structure of the pointer.
3. The skin butt edge trimming precision scriber of claim 1, wherein the scribing pen rack comprises a supporting seat, a spring clamping plate, a shaft sleeve and a fixed seat, the supporting seat is of an upper groove-shaped structure, a groove-shaped bottom plate is fixed on the upper surface of the scribing plate on two sides of the long circular hole, vertical edges of the groove-shaped structure are distributed on two sides of the long circular hole and stand upwards, and the inner side surfaces and the two side edges of the vertical edges are of guide plane structures; the spring clamping plate is of a rectangular flat plate structure with a through hole in the middle, and two ends of the spring clamping plate are fixed on the upper surface of the groove-shaped structure vertical edge of the supporting seat through hexagon bolts; the shaft sleeve is of a hollow sleeve structure, one end of the shaft sleeve is provided with an optical shaft matched with the hole of the spring clamping plate, and the other end of the shaft sleeve is provided with an external thread; the fixed seat is of a double-cross flat plate structure, a central hole is formed in the middle of the double cross and is matched with the external threads of the shaft sleeve, cross grooves on two sides are nested and matched with the inner side surfaces and the vertical edges of the groove-shaped structure of the supporting seat, the lower surface of the support seat is placed on the upper surface of the scribing plate, a compression spring is arranged outside the shaft sleeve between the upper surface of the support seat and the spring clamping plate, threaded holes pointing to the central hole are formed in two sides of the linear structure below the end of the shaft sleeve, and a plunger bolt is configured; the marking pen passes through the inner hole of the shaft sleeve and the central hole of the fixing seat and is tightly pressed in the central hole of the fixing seat through a plunger bolt.
4. The skin butt edge trimming precision scriber of claim 3, wherein the lower end of the compression spring is fixed on the upper surface of the fixing seat by crimping.
5. The skin butt edge trimming precision scriber of claim 3, wherein scale marks are arranged on the upper surface of the scribing block at the two side edges of the oblong hole, the scale marks are scaled towards the two sides of the scribing block in the length direction by taking the center of the oblong hole as a reference, and the distance between the scale marks is less than 0.1 mm.
6. The skin butt edge trimming precision scriber of claim 3, wherein the fit clearance between the shaft sleeve optical axis and the spring clamp plate through hole is less than 0.2mm, and the fit clearance between the fixing seat cross groove and the groove-shaped structure vertical edge of the supporting seat is less than 0.1 mm.
7. The skin butt-edge trimming precision scriber of claim 3, wherein the axial compression force of the compression spring is greater than 10N after the compression spring is installed in place, and the maximum compressible amount in the state is greater than 0.5 mm.
8. The skin butt-edge trimming precision scriber of claim 1, wherein before moving, the scribing plate takes the graduation line of the scribing plate as an adjusting reference when the end surface on the side of the aligned ruler notch is flush with the inner side of the guiding ruler flanging and the pen point of a scribing pen, and moves along the length direction of the guiding ruler according to the skin trimming allowance and the graduation line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122766062.1U CN216328273U (en) | 2021-11-12 | 2021-11-12 | Skin butt joint edge trimming precision scriber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122766062.1U CN216328273U (en) | 2021-11-12 | 2021-11-12 | Skin butt joint edge trimming precision scriber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216328273U true CN216328273U (en) | 2022-04-19 |
Family
ID=81147584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122766062.1U Active CN216328273U (en) | 2021-11-12 | 2021-11-12 | Skin butt joint edge trimming precision scriber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216328273U (en) |
-
2021
- 2021-11-12 CN CN202122766062.1U patent/CN216328273U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202357158U (en) | Scriber | |
| CN110588881B (en) | Adjustable allowance scriber for ship | |
| CN111571554A (en) | Equidistant marking device for metal plate | |
| CN216328273U (en) | Skin butt joint edge trimming precision scriber | |
| CN209830649U (en) | Laser coding and positioning device | |
| CN210908511U (en) | Positioning fixture for laser cutting circuit board | |
| CN104729913A (en) | Shear testing fixture for brazed test pieces | |
| CN108724139B (en) | Marking device and method for steel pipe bent pipe | |
| CN203875357U (en) | Tool setting device for turning | |
| CN202846213U (en) | Device for workpiece swift positioning | |
| CN202207894U (en) | Tool device for drilling a hole not perpendicular to cross section | |
| CN203471765U (en) | Special mark scraper for die repairing | |
| CN111854560B (en) | Size detection device and method for thermal forming guide arm | |
| CN210121687U (en) | Turning tool height-adjusting device based on slope principle | |
| CN216328274U (en) | Adjustable aircraft skin butt seam gap repairing and marking tool | |
| CN201950665U (en) | Scriber | |
| CN216463084U (en) | Increase seat frock | |
| CN202344539U (en) | Marking tool | |
| CN211761034U (en) | Manual scale distance carving device suitable for trapezoidal steel wire tensile sample | |
| CN218925920U (en) | Positioning device for die assembly | |
| CN206357201U (en) | A kind of scoring tool | |
| CN211388747U (en) | Marking off repair and match instrument suitable for closed and semi-closed regional covering | |
| CN215701639U (en) | Hand-cutting marking device for hat-shaped stringer | |
| CN219562012U (en) | Efficient welding positioning clamping fixture | |
| CN207465209U (en) | A kind of steel construction welding of peg positioning and marking device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |