Scanning lap joint device for large weak-rigidity ellipsoid combination body and use method of scanning lap joint device for large weak-rigidity ellipsoid combination body

Abstract

The invention discloses a scanning lap joint device for a large weak-rigidity ellipsoid assembly and a use method thereof.In the device, an upper supporting column is clamped through a lifting locking clamping mechanism, a telescopic adjusting mechanism is fixedly installed at the rear end of the lifting locking clamping mechanism, and the top end of a rapid positioning mechanism is fixedly installed on the bottom end face of the telescopic adjusting mechanism; the quick positioning mechanism is movably mounted on a fixing plate of the product 1; the x-direction distance measuring instrument is fixedly installed on a rear end plate of the rapid positioning mechanism, projected laser is emitted to the horizontal end face of a lower connecting plate in the x-direction reflection mechanism, the y-direction distance measuring instrument is fixedly installed on the upper end face of the rapid positioning mechanism, projected laser is emitted to a vertical side plate of the y-direction reflection mechanism, and through the distance measured by the two beams of laser, the distance between the x-direction distance measuring instrument and the y-direction distance measuring instrument is measured. And x-direction and y-direction adjustment is carried out on the lap joint position of the fixing plate and the joint plate. The problems that the labor division relation of existing large rotating cover body assembling work is complex, and the coordination path is tedious are solved.

Description

Technical Field

[0001] The present invention relates to, but is not limited to, the field of scanning overlap technology, and in particular to a scanning overlap device for large weak-rigidity ellipsoidal assemblies and a method for using the same. Background Art

[0002] The aircraft detection equipment housing consists of three parts. All loads borne by the rotating housing are transmitted to the fuselage structure through the detection equipment compartment turntable, transition piece, and bracket. The loads in the connection area are high. Due to the large size, rotation function, and high interchangeability requirements of the rotating housing, it is a large housing with multiple performance constraints. This brings great difficulties and high requirements to the coordination, manufacturing, installation, and commissioning of the rotating housing.

[0003] At present, the division of labor in component assembly, finished product installation, cable laying, testing and trial is complex, the coordination path is cumbersome, and there are many technical difficulties and technical risks in manufacturing and assembly technology that need to be overcome and resolved. Summary of the Invention

[0004] The purpose of the present invention is: the present invention provides a scanning overlap device for large weak rigidity ellipsoidal assemblies and a method of using the same, so as to solve the problems of complex division of labor, cumbersome coordination paths, and many technical difficulties and risks in the existing large rotating cover assembly work.

[0005] The technical solution of the present invention is as follows: In a first aspect, the present invention provides a scanning and splicing device for a large weakly rigid ellipsoid assembly, comprising: a locking and clamping mechanism 1, a telescopic adjustment mechanism 2, a rapid positioning mechanism 3, an x-direction reflection mechanism 4, a y-direction reflection mechanism 5, an x-direction rangefinder 6, and a y-direction rangefinder 7; Among them, the lifting and locking clamping mechanism 1 is used to clamp the upper support column of the tooling shape-keeping frame, the telescopic adjustment mechanism 2 is fixedly installed on the rear end of the lifting and locking clamping mechanism 1, and the top of the quick positioning mechanism 3 is fixedly installed on the bottom end surface of the telescopic adjustment mechanism 2. The bottom end profile of the quick positioning mechanism 3 forms a profile matching structure with the upper end surface of the fixed plate 8 of the product to be assembled 1, so that the quick positioning mechanism 3 is movably installed on the fixed plate 8, and the end of the quick positioning mechanism 3 away from the shape-keeping frame is suspended and extends out of the upper end surface of the product 1, and the end of the protruding end has a rear end plate bent upward; the product 1 and the tooling shape-keeping frame are in a fixed connection relationship; The x-direction reflecting mechanism 4 is configured as a Z-shaped structure, the lower connecting plate of which is seamlessly fitted with the upper joining plate 9 of the product to be assembled 2, and the upper connecting plate is fixedly connected to the lower end face of the protruding end of the quick positioning mechanism 3; the y-direction reflecting mechanism 5 is configured as an L-shaped structure, the bottom plate of which is fixedly mounted on the upper end face of the joining plate 9, the vertical side plate faces the quick positioning mechanism 3, and the whole is located on the side face of the x-direction reflecting mechanism 4; the x-direction rangefinder 6 is fixedly mounted on the rear end plate of the quick positioning mechanism 3, and the projected laser hits the horizontal end face of the lower connecting plate in the x-direction reflecting mechanism 4; the y-direction rangefinder 7 is fixedly mounted on the upper end face of the quick positioning mechanism 3, and the projected laser hits the vertical side plate of the y-direction reflecting mechanism 5, and the overlapping position of the fixed plate 8 and the joining plate 9 is adjusted in the x-direction and y-direction according to the distance measured by the two laser beams.

[0006] Optionally, in the scanning and splicing device for the large weakly rigid ellipsoid assembly as described above, the locking and clamping mechanism 1 comprises: an upper locking cover 10, an anti-slip film 11, a plurality of hinges 12, a plurality of spring buckles 13 and a lower support cover 14; The upper locking cover 10 and the lower support cover 14 are connected by a plurality of hinges 12 installed at both ends of the side. The anti-slip rubber 11 is fixedly embedded in the inner surface of the inner ring of the upper locking cover 10 and the lower support cover 14. A plurality of spring buckles 13 are fixedly installed at both ends of the side opposite to the two hinges 12. When the locking and clamping mechanism 1 needs to clamp the upper support column of the conformal frame, the multiple spring buckles 13 are opened, the upper locking cover 10 rotates upward along the axis of the hinge 12, the upper support column of the conformal frame passes between the upper locking cover 10 and the lower support cover 14, the upper locking cover 10 rotates downward along the axis of the hinge 12, and the spring buckles 13 are tightened and locked to complete the clamping.

[0007] Optionally, in the scanning and splicing device for the large weakly rigid ellipsoid assembly as described above, the telescopic adjustment mechanism 2 includes: a sliding top plate 15, a supporting bottom plate 16, a sliding assembly 17, a limiting clamping ring 18, a locking stud 19, a sliding support 20, a shaft seat 21 and an adjustment shaft 22; Among them, the upper end surface of the support base plate 16 is provided with a middle mounting groove and sliding grooves on both sides; the front end surface of the support base plate 16 is fixedly mounted on the rear end of the lower support cover 14 in the locking and clamping mechanism 1, and the sliding assembly 17 is fixedly mounted in the middle mounting groove of the support base plate 16, and the sliding top plate 15 is fixedly mounted on the upper end surface of the sliding assembly 17. After the two sides pass through the sliding grooves on both sides of the support base plate 16, they are fixedly mounted with the sliding pillars 20 placed at the bottom of the support base plate 16, and the support base plate 16 is fixedly connected to the upper end surface of the sliding assembly 17, so that the sliding top plate 15 drives the sliding pillars 20 to slide synchronously along the sliding assembly 17 on the support base plate 16; The limiting snap ring 18 is fixedly mounted on the lower end surface of the rear end of the supporting base plate 16. A limiting hole is provided in the middle of the limiting snap ring 18, and adjustment slots are provided on both sides of the limiting hole. A locking stud 19 is installed on one side of the through-type adjustment slot for adjusting the limiting hole. The shaft seat 21 is fixedly mounted on the upper portion of the rear end of the sliding support 20. One end of the adjustment shaft 22 is fixedly mounted on the middle portion of the rear end of the shaft seat 21, and the other end passes through the limiting hole of the limiting clamp 18, so as to lock and fix the adjustment shaft 22 via the locking stud 19. The telescopic adjustment mechanism 2 is used to move in the sliding grooves on both sides of the sliding top plate 15 along the supporting bottom plate 16, and when it moves to the appropriate position, the adjustment shaft 22 is locked in position by adjusting the locking studs 19 to lock the overall position of the telescopic adjustment mechanism 2.

[0008] Optionally, in the scanning and splicing device for the large weakly rigid ellipsoid assembly as described above, the sliding assembly 17 includes: a connecting top plate 23, a sliding plate 24, a plurality of rotating balls 25, and a connecting bottom plate 26; Among them, the connecting bottom plate 26 is an open long plate structure, fixedly installed in the middle mounting groove of the supporting bottom plate 16, the sliding plate 24 is a long strip structure in the shape of an "X", with vertical long grooves on both sides of the "X" shape, and multiple rotating balls 25 are symmetrically embedded in the long grooves on both sides of the "X" shape, and the outer surface of the rotating ball 25 is in contact with the inner surface of the connecting bottom plate 26; the connecting top plate 23 is a π-shaped wide plate part, the upper end surface is fixedly connected to the sliding top plate 15, and the two sides of the lower end are respectively inserted into the two sides of the sliding plate 24, and the outer side surface of the lower end is in contact with the inner surface of the rotating ball 25; When relative sliding is required between the connecting top plate 23 and the connecting bottom plate 26 , the rotating ball 25 rotates in the long groove in the sliding plate 24 to complete the relative movement with the sliding assembly 17 .

[0009] Optionally, in the scanning and splicing device for the large weak-rigidity ellipsoid assembly as described above, the rapid positioning mechanism 3 includes: a positioning base plate 27, two positioning pins 28, and two rotating clamps 29; The positioning base plate 27 includes a mounting portion and a connecting portion, and is slidably mounted on the upper end surface of the fixed plate 8 through the mounting portion. The lower end surface of the mounting portion has a long strip boss, which forms a mating relationship with the groove on the upper end surface of the fixed plate 8 to determine the relative position relationship of the quick positioning mechanism 3 in the x-direction. A boss is provided at the front end of the upper end face of the mounting portion, the upper end face of the boss is fixedly connected to the lower bottom face of the sliding support 20, and a long slot perpendicular to the sliding slot is provided at the rear end of the mounting portion, and two rotating clamps 29 are fixedly installed on both sides of the lower end face of the long slot; the mounting portion is provided with two through holes at the front end of the long slot, and the two through holes correspond to the through holes at the lower end of the product 1 respectively, and two positioning pins 28 pass through the through holes of the positioning base plate 27 and the product 1 in sequence. A y-direction rangefinder 7 is provided at the rear end of the long slot of the mounting portion; The connecting part is configured as an L-shaped structure, which is suspended out of the upper end surface of the product 1 as a whole. A through hole is provided on the horizontal plate of the connecting part for connecting with the upper connecting plate of the x-direction reflection mechanism 4, and an x-direction rangefinder 6 is fixedly installed on the vertical rear end plate.

[0010] Optionally, in the scanning overlap device of the large weak rigid ellipsoid assembly as described above, the rotating clamp 29 includes: a clamping column 30, a clamping spring 31, and a clamping base 32; Among them, the embedded base 32 is an equal-length L-shaped wide body structure, with a groove opened at the front end of the lower end face, and a embedded column 30 is fixed in the groove. The rear end of the embedded column 30 is connected to a embedded spring 31, and the other end of the embedded spring 31 is fixedly connected to the other end of the embedded base 32. The embedded column 30 can fluctuate back and forth under the action of the embedded spring 31 to compress and release the two positioning pins 28.

[0011] Optionally, in the scanning and splicing device for the large weakly rigid ellipsoid assembly as described above, the x-direction reflection mechanism 4 includes: a positioning scanning plate 33, two positioning shaft pins 34; The positioning scanning plate 33 is configured as a Z-shaped structure, with the upper connecting plate being fitted with the horizontal plate of the connecting portion in the positioning base plate 27. The upper connecting plate is provided with two diagonal holes, which respectively match the holes on the connecting portion. Two positioning shaft pins 34 are respectively inserted into the horizontal plate of the connecting portion and pass through the through holes of the upper connecting plate of the positioning scanning plate 33. The lower connecting plate is fitted with the upper end surface of the joining plate 9. The x-direction rangefinder 6 hits the lower connecting plate of the positioning scanning plate 33 through a light beam, and is used to measure the x-direction distance between product 1 and product 2, and provide feedback on the x-direction distance to adjust the x-direction displacement difference between product 1 and product 2.

[0012] Optionally, in the scanning and splicing device for the large weakly rigid ellipsoid assembly as described above, the y-direction reflection mechanism 5 includes: a fixed scanning plate 35, two positioning bolts 36; The fixed scanning plate 35 is configured as an L-shaped plate structure of equal length, with smooth outer surfaces on both side plates. Two through holes are provided at opposite diagonals of the horizontal side plate, and the positions of the through holes correspond to the positions of the through holes on the joining plate 9. The two positioning bolts penetrate the bottom plate of the fixed scanning plate 35 and the through holes on the joining plate 9 to fix the position of the fixed scanning plate 35 and the product 2. The smooth facade of the vertical side plate is provided with a target point. The y-direction rangefinder 7 hits the target point on the smooth vertical surface of the fixed scanning plate 35 through a light beam, and is used to measure the y-direction distance between product 1 and product 2, and provide feedback on the y-direction distance to adjust the y-direction displacement difference between product 1 and product 2.

[0013] In a second aspect, an embodiment of the present invention further provides a method for using a scanning and joining device for a large weakly rigid ellipsoid assembly. The method for using the scanning and joining device for a large weakly rigid ellipsoid assembly as described in any one of the above items to join product 1 and product 2 comprises the following steps: Step 1: Determine the fixed position of the positioning base plate 27 in the rapid positioning mechanism 3 of the scanning overlap device on product 1 based on the position of the through hole between product 1 and product 2. Attach the upper connecting plate of the positioning scanning plate 33 in the x-axis reflection mechanism 4 to the lower end surface of the connecting plate of the connecting portion of the positioning base plate 27. Use a positioning shaft pin 34 to penetrate the positioning base plate 27, the positioning scanning plate 33, and product 2. Step 2: According to the position of the through hole of the product 1, the rotating clamp 29 in the quick positioning mechanism 3 is moved backward, and the positioning pin 28 is passed through the through hole between the mounting portion of the positioning base plate 27 in the quick positioning mechanism 3 and the product 1; Step 3: Open the upper locking cover 10 in the locking and clamping mechanism 1 according to the position of the conformal frame, and flip the upper locking cover 10 along the rotation axis of the hinge 12 so that the anti-slip film 11 fits the conformal frame. The spring buckle 13 tightens the upper locking cover 10 and the lower support cover 14. Step 4: Adjust the locking screw 19 in the telescopic adjustment mechanism 2 to move the adjustment shaft 22 along the axis of the limiting clamp 18; Step 5: Move the relative position of the sliding top plate 15 and the supporting bottom plate 16 in the telescopic adjustment mechanism 2 according to the position of the conformal frame, and lock the relative position of the adjustment shaft 22 and the limiting clamping ring 18 by the locking stud 19; Step 6: Turn on the x-direction rangefinder 6, and measure the x-direction distance between product 1 and product 2 by projecting a light beam onto the lower connecting plate of the positioning scanning plate 33. The x-direction distance is then fed back and the x-direction displacement difference between product 1 and product 2 is adjusted. Step 7: Turn on the y-direction reflection mechanism 5, and let the light beam hit the target point on the smooth vertical surface of the fixed scanning plate 35 to measure the y-direction distance between product 1 and product 2, and provide feedback on the y-direction distance to adjust the y-direction displacement difference between product 1 and product 2; Step 7: After the position adjustment of product 1 and product 2 is completed, they are fixedly connected. The spring buckle 13 is opened, and the upper locking cover 10 is flipped along the rotation axis of the hinge 12 to release the shape-keeping frame, the swing card embedded column 30 is pulled out, the positioning pin 28 is pulled out, and the entire scanning overlap device is disassembled.

[0014] The beneficial effects of the present invention are as follows: the present invention provides a scanning and splicing device for large weak rigidity ellipsoid assemblies and a method for using the same. On the one hand, by adjusting and holding the lower end of the locking and clamping mechanism 1 according to the diameter of the product, the telescopic adjustment mechanism 2 is combined with the quick positioning mechanism 3 to complete the rapid grasping and rapid release of the product while performing rapid positioning. The combination of the x-direction reflection mechanism 4 and the y-direction reflection mechanism 5 solves the position difference between the x and y directions of the two components when docking. On the other hand, the entire positioning and clamping process is optimized by combining the locking and clamping mechanism 1, the telescopic adjustment mechanism 2, and the quick positioning mechanism 3, and the complex process of fixing the relative position relationship between product 1 and product 2 is simplified. It has the advantages of stability, reliability, and strong applicability. When implementing the docking operation, it can effectively reduce the time required for docking, has strong operability, is convenient and beautiful, and reduces unnecessary multiple adjustments. The scanning and splicing device for large weak rigidity ellipsoid assemblies with simple operation and convenient control can improve work efficiency and ensure product safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the technical solution of the present invention and constitute a part of the specification. Together with the embodiments of the present application, they are used to explain the technical solution of the present invention and do not constitute a limitation on the technical solution of the present invention.

[0016] Figure 1 A schematic diagram of the overall structure of a scanning and splicing device for a large weakly rigid ellipsoid assembly provided by an embodiment of the present invention; Figure 2 for Figure 1 A schematic structural diagram of another perspective of the scanning and splicing device for a large weakly rigid ellipsoid assembly provided by the illustrated embodiment; Figure 3 for Figure 1 A schematic structural diagram of another perspective of the scanning and splicing device for a large weakly rigid ellipsoid assembly provided by the illustrated embodiment; Figure 4 for Figure 1 A schematic structural diagram of a scanning and splicing device for a large weakly rigid ellipsoid assembly provided by the illustrated embodiment from another perspective; Figure 5 for Figure 1 The illustrated embodiment provides a schematic structural diagram of a sliding assembly in a scanning and splicing device for a large weakly rigid ellipsoid assembly.

[0017] Description of reference numerals: 1. Locking and clamping mechanism; 2. Telescopic adjustment mechanism; 3. Quick positioning mechanism; 4. X-axis reflection mechanism; 5. Y-axis reflection mechanism; 6. X-axis rangefinder; 7. Y-axis rangefinder; 8. Fixed plate; 9. Joint plate; 10. Upper locking cover; 11. Anti-slip film; 12. Hinge; 13. Spring buckle; 14. Lower support cover; 15. Sliding top plate; 16. Support bottom plate; 17. Sliding assembly; 18. Limiting clamp; 19. Locking stud; 20. Sliding support; 21. Shaft seat; 22. Adjusting shaft; 23. Connecting top plate; 24. Sliding plate; 25. Rotating ball; 26. Connecting bottom plate; 27. Positioning bottom plate; 28. Positioning pin; 29. ​​Rotating clamp; 30. Embedded column; 31. Embedded spring; 32. Embedded base; 33. Positioning scanning plate; 34. Positioning shaft pin; 35. Fixed scanning plate; 36. Positioning bolt DETAILED DESCRIPTION To make the purpose, technical solutions and advantages of the present invention more clearly understood, the embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that, unless there is a conflict, the embodiments and features in the embodiments of the present application can be combined with each other in any manner.

[0018] As explained in the above background technology, since the rotary cover of the aircraft detection equipment is a large cover with multiple performance constraints, it brings great difficulties and puts higher requirements on the coordination, manufacturing, installation and debugging of the rotary cover; however, the current division of labor in the assembly of large rotating cover bodies is complex, the coordination path is cumbersome, and the manufacturing and assembly technology has many technical difficulties and technical risks.

[0019] In response to the above problems, the present invention provides a scanning and splicing device for large weak-rigidity ellipsoidal assemblies and a method of using the same, so as to achieve high-precision assembly through the device, which plays a key role and influence on the mission of the entire machine.

[0020] The present invention provides the following specific embodiments that can be combined with each other. The same or similar concepts or processes may not be described in detail in some embodiments.

[0021] Figure 1 A schematic diagram of the overall structure of a scanning and splicing device for a large weakly rigid ellipsoid assembly provided by an embodiment of the present invention; Figure 2 for Figure 1 A schematic structural diagram of another perspective of the scanning and splicing device for a large weakly rigid ellipsoid assembly provided by the illustrated embodiment; Figure 3 forFigure 1 A schematic structural diagram of another perspective of the scanning and splicing device for a large weakly rigid ellipsoid assembly provided by the illustrated embodiment; Figure 4 for Figure 1 The embodiment shown is a schematic structural diagram of another perspective of the scanning and splicing device for large weak rigid ellipsoidal assemblies. Figures 1 to 4 As shown, the main structure of the scanning and splicing device for large weakly rigid ellipsoidal assemblies provided in an embodiment of the present invention includes: a locking and clamping mechanism 1, a telescopic adjustment mechanism 2, a rapid positioning mechanism 3, an x-direction reflection mechanism 4, a y-direction reflection mechanism 5, an x-direction rangefinder 6, and a y-direction rangefinder 7. The scanning and splicing device provided in an embodiment of the present invention is used to assemble a rotating cover for aircraft detection equipment, and products 1 and 2 are part of the rotating cover.

[0022] Reference Figures 1 to 4 As shown, in the scanning overlap device provided by an embodiment of the present invention, the lifting and locking clamping mechanism 1 is used to clamp the upper support column of the tooling shape-keeping frame, the telescopic adjustment mechanism 2 is fixedly installed at the rear end of the lifting and locking clamping mechanism 1, and the top end of the quick positioning mechanism 3 is fixedly installed on the bottom end face of the telescopic adjustment mechanism 2. The bottom end profile of the quick positioning mechanism 3 forms a profile matching structure with the upper end face of the fixed plate 8 of the product to be assembled 1, so that the quick positioning mechanism 3 is movably installed on the fixed plate 8, and the end of the quick positioning mechanism 3 away from the shape-keeping frame is suspended and extends out of the upper end face of the product 1, and the end of the protruding end has a rear end plate bent upward.

[0023] It should be noted that, in the embodiment of the present invention, the product 1 to be assembled and the tooling shape-retaining frame are in a fixed connection relationship.

[0024] In an embodiment of the present invention, the x-direction reflecting mechanism 4 is configured as a Z-shaped structure, wherein the lower connecting plate thereof is seamlessly fitted with the upper joining plate 9 of the product to be assembled 2, and the upper connecting plate is fixedly connected to the lower end face of the protruding end of the quick positioning mechanism 3; the y-direction reflecting mechanism 5 is configured as an L-shaped structure, wherein the bottom plate thereof is fixedly mounted on the upper end face of the joining plate 9, the vertical side plate faces the quick positioning mechanism 3, and the whole is located on the side face of the x-direction reflecting mechanism 4; the x-direction rangefinder 6 is fixedly mounted on the rear end plate of the quick positioning mechanism 3, and the projected laser hits the horizontal end face of the lower connecting plate in the x-direction reflecting mechanism 4; the y-direction rangefinder 7 is fixedly mounted on the upper end face of the quick positioning mechanism 3, and the projected laser hits the vertical side plate of the y-direction reflecting mechanism 5, and the overlapping position of the fixed plate 8 and the joining plate 9 is adjusted in the x-direction and y-direction according to the distance measured by the two laser beams.

[0025] In one implementation of the embodiment of the present invention, Figures 1 to 4 As shown, the locking and clamping mechanism 1 includes: an upper locking cover 10 , an anti-slip film 11 , a plurality of hinges 12 , a plurality of spring buckles 13 , and a lower support cover 14 .

[0026] In this implementation, the upper locking cover 10 and the lower support cover 14 are connected by multiple hinges 12 installed at both ends of the side, the anti-slip rubber 11 is fixedly embedded in the inner surface of the inner ring of the upper locking cover 10 and the lower support cover 14, and multiple spring buckles 13 are fixedly installed at both ends of the side opposite to the two hinges 12.

[0027] When the locking and clamping mechanism 1 needs to clamp the upper support column of the conformal frame, the multiple spring buckles 13 are opened, the upper locking cover 10 rotates upward along the axis of the hinge 12, the upper support column of the conformal frame passes between the upper locking cover 10 and the lower support cover 14, the upper locking cover 10 rotates downward along the axis of the hinge 12, and the spring buckles 13 are tightened and locked to complete the clamping.

[0028] In one implementation of the embodiment of the present invention, Figures 1 to 4 As shown, the telescopic adjustment mechanism 2 includes: a sliding top plate 15 , a supporting bottom plate 16 , a sliding assembly 17 , a limiting clamping ring 18 , a locking stud 19 , a sliding support 20 , a shaft seat 21 and an adjustment shaft 22 .

[0029] In this implementation, the upper end surface of the support base plate 16 is provided with a central mounting groove and sliding grooves on both sides; the front end surface of the support base plate 16 is fixedly mounted on the rear end of the lower support cover 14 in the locking and clamping mechanism 1, and the sliding assembly 17 is fixedly mounted in the central mounting groove of the support base plate 16, and the sliding top plate 15 is fixedly mounted on the upper end surface of the sliding assembly 17. After the two sides pass through the sliding grooves on both sides of the support base plate 16, they are fixedly mounted on the sliding pillars 20 placed at the bottom of the support base plate 16, and the support base plate 16 is fixedly connected to the upper end surface of the sliding assembly 17, so that the sliding top plate 15 drives the sliding pillars 20 to slide synchronously along the sliding assembly 17 on the support base plate 16.

[0030] In this implementation, the limit clamp 18 is fixedly installed on the lower end surface of the rear end of the support base plate 16. A limit hole is opened in the middle of the limit clamp 18, and adjustment grooves are opened on both sides of the limit hole. A locking stud 19 is installed on one side of the through-type adjustment groove for adjusting the limit hole.

[0031] In this implementation, the shaft seat 21 is fixedly installed on the upper part of the rear end of the sliding pillar 20, one end of the adjustment shaft 22 is fixedly installed in the middle part of the rear end of the shaft seat 21, and the other end passes through the limiting hole of the limiting clamp 18, which is used to lock the adjustment shaft 22 through the locking stud 19.

[0032] Based on the specific structural form of the telescopic adjustment mechanism 2 provided by this implementation method, the working form of the telescopic adjustment mechanism 2 is: the sliding top plate 15 moves along the sliding grooves on both sides of the supporting bottom plate 16, and when it moves to the appropriate position, the adjustment shaft 22 is locked in position by adjusting the locking stud 19 to lock the overall position of the telescopic adjustment mechanism 2.

[0033] In a specific implementation, this implementation provides an implementation of the sliding component 17 in the telescopic adjustment mechanism 2. Figure 5 for Figure 1 The embodiment shown is a schematic diagram of the structure of the sliding assembly in the scanning and splicing device for large weakly rigid ellipsoidal assemblies. The sliding assembly 17 in this implementation includes: a connecting top plate 23, a sliding plate 24, a plurality of rotating balls 25, and a connecting bottom plate 26.

[0034] In this implementation, the connecting base plate 26 is an open long plate structure, which is fixedly installed in the middle installation groove of the supporting base plate 16. The sliding plate 24 is a long strip structure in the shape of an "X", with vertical long grooves on both sides of the "X" shape. Multiple rotating balls 25 are symmetrically embedded in the long grooves on both sides of the "X" shape, and the outer surface of the rotating ball 25 is in contact with the inner surface of the connecting base plate 26; the connecting top plate 23 is a π-shaped wide plate part, the upper end face is fixedly connected to the sliding top plate 15, and the two sides of the lower end are respectively inserted into the two sides of the sliding plate 24, and the outer side surface of the lower end is in contact with the inner surface of the rotating ball 25.

[0035] When relative sliding is required between the connecting top plate 23 and the connecting bottom plate 26 , the rotating ball 25 rotates in the long groove in the sliding plate 24 to complete the relative movement with the sliding assembly 17 .

[0036] In one implementation of the embodiment of the present invention, Figures 1 to 4 As shown, the quick positioning mechanism 3 includes: a positioning base plate 27 , two positioning pins 28 , and two rotating clamps 29 .

[0037] In this implementation, the positioning base plate 27 includes a mounting portion and a connecting portion, and is slidably mounted on the upper end surface of the fixed plate 8 through the mounting portion. The lower end surface of the mounting portion has a long strip boss, and the long strip boss forms a matching relationship with the groove on the upper end surface of the fixed plate 8, which is used to determine the relative position relationship of the quick positioning mechanism 3 in the x-direction.

[0038] In this embodiment, a boss is provided at the front end of the upper end face of the mounting portion, the upper end face of the boss is fixedly connected to the lower bottom face of the sliding support 20, and a long slot perpendicular to the sliding slot is provided at the rear end of the mounting portion. Two rotating clamps 29 are fixedly mounted on both sides of the lower end face of the long slot; the mounting portion is provided with two through holes at the front end of the long slot, the two through holes corresponding to the through holes at the lower end of the product 1 respectively, and two positioning pins 28 pass through the through holes of the positioning base plate 27 and the product 1 in sequence. A y-direction rangefinder 7 is provided at the rear end of the long slot of the mounting portion; The connecting portion in this implementation is configured as an L-shaped structure, which is suspended as a whole from the upper end surface of the product 1. A through hole is provided on the horizontal plate of the connecting portion for connecting with the upper connecting plate of the x-direction reflection mechanism 4, and an x-direction rangefinder 6 is fixedly installed on the vertical rear end plate.

[0039] In the specific implementation, the implementation method is as follows: Figures 1 to 4 As shown, the rotating clamp 29 includes a clamping column 30 , a clamping spring 31 , and a clamping base 32 .

[0040] Among them, the embedded base 32 is an equal-length L-shaped wide body structure, with a groove opened at the front end of the lower end face, and a embedded column 30 is fixed in the groove. The rear end of the embedded column 30 is connected to a embedded spring 31, and the other end of the embedded spring 31 is fixedly connected to the other end of the embedded base 32. The embedded column 30 can fluctuate back and forth under the action of the embedded spring 31 to compress and release the two positioning pins 28.

[0041] In one implementation of the embodiment of the present invention, Figures 1 to 4 As shown, the x-direction reflection mechanism 4 includes: a positioning scanning plate 33 and two positioning shaft pins 34 .

[0042] In this implementation, the positioning scanning plate 33 is configured as a Z-shaped structure, with the upper connecting plate being in contact with the horizontal plate of the connecting portion of the positioning base plate 27. The upper connecting plate is provided with two diagonal holes that respectively match the holes on the connecting portion. Two positioning shaft pins 34 are respectively inserted into the horizontal plate of the connecting portion and pass through the through holes of the upper connecting plate of the positioning scanning plate 33. The lower connecting plate is in contact with the upper end surface of the joining plate 9. The x-direction rangefinder 6 in this implementation method is used to hit the lower connecting plate of the positioning scanning plate 33 through a light beam, and is used to measure the x-direction spacing between product 1 and product 2, and to provide feedback on the x-direction spacing to adjust the x-direction displacement difference between product 1 and product 2.

[0043] In one implementation of the embodiment of the present invention, Figures 1 to 4 As shown, the Y-direction reflection mechanism 5 includes: a fixed scanning plate 35 and two positioning bolts 36.

[0044] In this implementation, the fixed scanning plate 35 is configured as an L-shaped plate structure of equal length, with the outer surfaces of the two side plates being flat and smooth. Two through holes are provided diagonally on the horizontal side plate, and the positions of the through holes correspond to the positions of the through holes on the joining plate 9. The two positioning bolts penetrate the bottom plate of the fixed scanning plate 35 and the through holes on the joining plate 9 to fix the position of the fixed scanning plate 35 and the product 2. The smooth facade of the vertical side plate is provided with a target point. The y-direction rangefinder 7 in this implementation method is used to measure the y-direction distance between product 1 and product 2 by hitting the target point on the smooth vertical surface of the fixed scanning plate 35 through a light beam, and to provide feedback on the y-direction distance to adjust the y-direction displacement difference between product 1 and product 2.

[0045] Based on the scanning and splicing device for a large weakly rigid ellipsoid assembly provided in the above embodiment of the present invention, the embodiment of the present invention also provides a method for using the scanning and splicing device for a large weakly rigid ellipsoid assembly, specifically, the method for using the scanning and splicing device when docking product 1 and product 2, including the following steps: Step 1: Determine the fixed position of the positioning base plate 27 in the rapid positioning mechanism 3 of the scanning overlap device on product 1 based on the position of the through hole between product 1 and product 2. Attach the upper connecting plate of the positioning scanning plate 33 in the x-axis reflection mechanism 4 to the lower end surface of the connecting plate of the connecting portion of the positioning base plate 27. Use a positioning shaft pin 34 to penetrate the positioning base plate 27, the positioning scanning plate 33, and product 2. Step 2: According to the position of the through hole of the product 1, the rotating clamp 29 in the quick positioning mechanism 3 is moved backward, and the positioning pin 28 is passed through the through hole between the mounting portion of the positioning base plate 27 in the quick positioning mechanism 3 and the product 1; Step 3: Open the upper locking cover 10 in the locking and clamping mechanism 1 according to the position of the conformal frame, and flip the upper locking cover 10 along the rotation axis of the hinge 12 so that the anti-slip film 11 fits the conformal frame. The spring buckle 13 tightens the upper locking cover 10 and the lower support cover 14. Step 4: Adjust the locking screw 19 in the telescopic adjustment mechanism 2 to move the adjustment shaft 22 along the axis of the limiting clamp 18; Step 5: Move the relative position of the sliding top plate 15 and the supporting bottom plate 16 in the telescopic adjustment mechanism 2 according to the position of the conformal frame, and lock the relative position of the adjustment shaft 22 and the limiting clamping ring 18 by the locking stud 19; Step 6: Turn on the x-direction rangefinder 6, and measure the x-direction distance between product 1 and product 2 by projecting a light beam onto the lower connecting plate of the positioning scanning plate 33. The x-direction distance is then fed back and the x-direction displacement difference between product 1 and product 2 is adjusted. Step 7: Turn on the y-direction reflection mechanism 5, and let the light beam hit the target point on the smooth vertical surface of the fixed scanning plate 35 to measure the y-direction distance between product 1 and product 2, and provide feedback on the y-direction distance to adjust the y-direction displacement difference between product 1 and product 2; Step 7: After the position adjustment of product 1 and product 2 is completed, they are fixedly connected. The spring buckle 13 is opened, and the upper locking cover 10 is flipped along the rotation axis of the hinge 12 to release the shape-keeping frame, the swing card embedded column 30 is pulled out, the positioning pin 28 is pulled out, and the entire scanning overlap device is disassembled.

[0046] The scanning and splicing device for large weak-rigidity ellipsoid assemblies provided in an embodiment of the present invention and its use method, on the one hand, adjusts and supports the lower end of the locking and clamping mechanism 1 according to the diameter of the product, and combines the telescopic adjustment mechanism 2 with the quick positioning mechanism 3 to complete the rapid grasping and rapid release of the product while performing rapid positioning. The combination of the x-direction reflection mechanism 4 and the y-direction reflection mechanism 5 solves the position difference between the x and y directions of the two components when docking. On the other hand, the entire positioning and clamping process is optimized by combining the locking and clamping mechanism 1, the telescopic adjustment mechanism 2, and the quick positioning mechanism 3, and the complex process of fixing the relative position relationship between product 1 and product 2 is simplified. It has the advantages of stability, reliability, and strong applicability. When implementing the docking operation, it can effectively reduce the time required for docking, has strong operability, is convenient and beautiful, and reduces unnecessary multiple adjustments. The scanning and splicing device for large weak-rigidity ellipsoid assemblies with simple operation and convenient control can improve work efficiency and ensure product safety.

[0047] Although the embodiments disclosed herein are as described above, the contents are merely provided to facilitate understanding of the present invention and are not intended to limit the present invention. Any person skilled in the art may make any modifications and variations in the form and details of the embodiments without departing from the spirit and scope of the present invention. However, the scope of patent protection of the present invention shall remain subject to the scope defined by the appended claims.

Claims

1. A scanning and splicing device for large weak rigid ellipsoidal assemblies, characterized in that: include: Locking and clamping mechanism (1), telescopic adjustment mechanism (2), quick positioning mechanism (3), x-direction reflection mechanism (4), y-direction reflection mechanism (5), x-direction rangefinder (6), y-direction rangefinder (7); The lifting and locking clamping mechanism (1) is used to clamp the upper support column of the tooling shape-keeping frame, the telescopic adjustment mechanism (2) is fixedly installed at the rear end of the lifting and locking clamping mechanism (1), and the top end of the quick positioning mechanism (3) is fixedly installed at the bottom end surface of the telescopic adjustment mechanism (2). The bottom end profile of the quick positioning mechanism (3) forms a profile matching structure with the upper end surface of the fixed plate (8) of the product 1 to be assembled, so that the quick positioning mechanism (3) is movably installed on the fixed plate (8), and the end of the quick positioning mechanism (3) away from the shape-keeping frame is suspended and extends out of the upper end surface of the product 1, and the end of the extended end has a rear end plate bent upward; the product 1 and the tooling shape-keeping frame are in a fixed connection relationship; The x-direction reflection mechanism (4) is set as a Z-shaped structure, the lower connecting plate thereof is seamlessly fitted with the upper connecting plate (9) of the product to be assembled 2, and the upper connecting plate is fixedly connected to the lower end face of the extended end of the quick positioning mechanism (3); the y-direction reflection mechanism (5) is set as an L-shaped structure, the bottom plate thereof is fixedly mounted on the upper end face of the connecting plate (9), the vertical side plate faces the quick positioning mechanism (3), and the whole is located on the side face of the x-direction reflection mechanism (4); the x-direction rangefinder (6) is fixedly mounted on the rear end plate of the quick positioning mechanism (3), and the projected laser hits the horizontal end face of the lower connecting plate in the x-direction reflection mechanism (4); the y-direction rangefinder (7) is fixedly mounted on the upper end face of the quick positioning mechanism (3), and the projected laser hits the vertical side plate of the y-direction reflection mechanism (5), and the distance measured by the two laser beams is used to adjust the overlapping position of the fixed plate (8) and the connecting plate (9) in the x-direction and y-directions.

2. The scanning and splicing device for large weak rigid ellipsoidal assemblies according to claim 1, characterized in that: The locking and clamping mechanism (1) comprises: an upper locking cover (10), an anti-slip film (11), a plurality of hinges (12), a plurality of spring buckles (13) and a lower support cover (14); The upper locking cover (10) and the lower supporting cover (14) are connected via a plurality of hinges (12) mounted at both ends of the side surfaces, the anti-slip rubber sheet (11) is fixedly embedded in the inner surfaces of the inner rings of the upper locking cover (10) and the lower supporting cover (14), and a plurality of spring buckles (13) are fixedly mounted at both ends of the side surfaces opposite to the two hinges (12); When the locking and clamping mechanism (1) needs to clamp the upper support column of the shape-keeping frame, the multiple spring buckles (13) are opened, the upper locking cover (10) is rotated upward along the rotation axis of the hinge (12), the upper support column of the shape-keeping frame passes between the upper locking cover (10) and the lower support cover (14), the upper locking cover (10) is rotated downward along the rotation axis of the hinge (12), and the spring buckles (13) are tightened and locked to complete the clamping.

3. The scanning and splicing device for large weak rigid ellipsoidal assemblies according to claim 2, characterized in that: The telescopic adjustment mechanism (2) comprises: a sliding top plate (15), a supporting bottom plate (16), a sliding assembly (17), a limiting snap ring (18), a locking stud (19), a sliding support (20), a shaft seat (21) and an adjustment shaft (22); The upper end surface of the support base plate (16) is provided with a middle mounting groove and two side sliding grooves; the front end surface of the support base plate (16) is fixedly mounted on the rear end of the lower support cover (14) in the locking clamping mechanism (1); the sliding assembly (17) is fixedly mounted in the middle mounting groove of the support base plate (16); the sliding top plate (15) is fixedly mounted on the upper end surface of the sliding assembly (17); after the two sides pass through the sliding grooves on both sides of the support base plate (16), they are fixedly mounted on the sliding pillars (20) arranged at the bottom of the support base plate (16); and the support base plate (16) is fixedly connected to the upper end surface of the sliding assembly (17), so that the sliding top plate (15) drives the sliding pillars (20) to slide synchronously along the sliding assembly (17) on the support base plate (16); The limiting snap ring (18) is fixedly mounted on the lower end surface of the rear end of the supporting base plate (16), a limiting hole is provided in the middle of the limiting snap ring (18), and adjustment grooves are provided on both sides of the limiting hole, and a locking stud (19) is installed on one side of the through-type adjustment groove for adjusting the limiting hole; The shaft seat (21) is fixedly mounted on the upper portion of the rear end of the sliding support (20); one end of the adjustment shaft (22) is fixedly mounted on the middle portion of the rear end of the shaft seat (21); the other end passes through the limiting hole of the limiting clamp (18) and is used to lock and fix the adjustment shaft (22) through a locking stud (19); The telescopic adjustment mechanism (2) is used to move along the sliding grooves on both sides of the supporting bottom plate (16) on the sliding top plate (15), and when moved to a suitable position, the adjustment shaft (22) is locked in position by adjusting the locking stud (19) to lock the overall position of the telescopic adjustment mechanism (2).

4. The scanning and splicing device for large weakly rigid ellipsoidal assemblies according to claim 3, characterized in that: The sliding assembly (17) comprises: a connecting top plate (23), a sliding plate (24), a plurality of rotating balls (25), and a connecting bottom plate (26); The connecting bottom plate (26) is an open-type long plate structure, fixedly installed in the middle installation groove of the supporting bottom plate (16), the sliding plate (24) is a long strip structure in the shape of a Chinese character "J", and a vertical long strip groove is opened on both sides of the Chinese character "J", and a plurality of rotating balls (25) are symmetrically embedded in the long strip grooves on both sides of the Chinese character "J", and the outer surface of the rotating ball (25) is in contact with the inner side surface of the connecting bottom plate (26); the connecting top plate (23) is a π-shaped wide plate part, the upper end surface is fixedly connected to the sliding top plate (15), and the two sides of the lower end are respectively inserted into the two sides of the sliding plate (24), and the outer side surface of the lower end is in contact with the inner surface of the rotating ball (25); When relative position sliding is required between the connecting top plate (23) and the connecting bottom plate (26), the rotating bead (25) rotates in the long groove in the sliding plate (24) to complete the relative movement with the sliding assembly (17).

5. The scanning and splicing device for large weak rigid ellipsoidal assemblies according to claim 3, characterized in that: The rapid positioning mechanism (3) comprises: a positioning base plate (27), two positioning pins (28), and two rotating clamps (29); The positioning base plate (27) includes a mounting portion and a connecting portion, and is slidably mounted on the upper end surface of the fixed plate (8) through the mounting portion. The lower end surface of the mounting portion has a long strip boss, and the long strip boss forms a matching relationship with the groove on the upper end surface of the fixed plate (8) to determine the relative position relationship of the quick positioning mechanism (3) in the x-direction. A boss is provided at the front end of the upper end face of the mounting portion, and the upper end face of the boss is fixedly connected to the lower bottom face of the sliding support (20). A long slot perpendicular to the sliding slot is provided at the rear end of the mounting portion, and two rotating clamps (29) are fixedly installed on both sides of the lower end face of the long slot; the mounting portion is provided with two through holes at the front end of the long slot, and the two through holes correspond to the through holes at the lower end of the product 1 respectively, and two positioning pins (28) pass through the through holes of the positioning base plate (27) and the product 1 in sequence, and the mounting portion is provided with a y-direction rangefinder (7) at the rear end of the long slot; The connecting portion is configured as an L-shaped structure, and the entire structure is suspended and extends out of the upper end surface of the product 1. A through hole is provided on the horizontal plate of the connecting portion for connecting with the upper connecting plate of the x-direction reflection mechanism (4). An x-direction rangefinder (6) is fixedly mounted on the vertical rear end plate.

6. The scanning and splicing device for large weak rigid ellipsoidal assemblies according to claim 5, characterized in that: The rotating clamp (29) comprises: a clamping column (30), a clamping spring (31), and a clamping base (32); The embedded base (32) is an L-shaped wide body structure of equal length, with a groove formed at the front end of the lower end face, a embedded column (30) being fixed in the groove, a rear end of the embedded column (30) being connected to an embedded spring (31), the other end of the embedded spring (31) being fixedly connected to the other end of the embedded base (32), and the embedded column (30) can fluctuate back and forth under the action of the embedded spring (31), thereby pressing and releasing the two positioning pins (28).

7. The scanning and splicing device for large weak rigid ellipsoidal assemblies according to claim 5, characterized in that: The x-direction reflection mechanism (4) comprises: a positioning scanning plate (33), two positioning shaft pins (34); The positioning scanning plate (33) is configured as a Z-shaped structure, the upper connecting plate is fitted with the horizontal plate of the connecting portion in the positioning base plate (27), the upper connecting plate is provided with two diagonal holes, which respectively match the holes on the connecting portion, and two positioning shaft pins (34) are respectively inserted into the horizontal plate of the connecting portion and pass through the through holes of the upper connecting plate of the positioning scanning plate (33); the lower connecting plate is fitted with the upper end surface of the joint plate (9); The x-direction distance meter (6) is used to measure the x-direction distance between product 1 and product 2 by hitting the lower connecting plate of the positioning scanning plate (33) with a light beam, and to provide feedback on the x-direction distance to adjust the x-direction displacement difference between product 1 and product 2.

8. The scanning and splicing device for large weak rigid ellipsoidal assemblies according to claim 1, characterized in that: The Y-direction reflection mechanism (5) comprises: a fixed scanning plate (35), two positioning bolts (36); The fixed scanning plate (35) is configured as an L-shaped plate structure of equal length, the outer surfaces of the two side plates are flat and smooth, two through holes are opened diagonally on the horizontal side plate, and the positions of the through holes correspond to the positions of the through holes on the joint plate (9), the two positioning bolts pass through the bottom plate of the fixed scanning plate (35) and the through holes on the joint plate (9), fixing the position of the fixed scanning plate (35) and the product 2, and the smooth vertical surface of the vertical side plate is provided with a target point; The y-direction rangefinder (7) is used to measure the y-direction distance between product 1 and product 2 by hitting the target point on the smooth vertical surface of the fixed scanning plate (35) with a light beam, and to provide feedback on the y-direction distance to adjust the y-direction displacement difference between product 1 and product 2.

9. A method for using a scanning and splicing device for a large weakly rigid ellipsoid assembly, characterized in that: A method for docking product 1 and product 2 using the scanning and docking device of the large weakly rigid ellipsoid assembly according to any one of claims 1 to 8 comprises the following steps: Step 1: Determine the fixed position of the positioning base plate (27) in the quick positioning mechanism (3) of the scanning overlap device on the product 1 according to the position of the through hole between the product 1 and the product 2, fit the upper connecting plate of the positioning scanning plate (33) in the x-direction reflection mechanism (4) to the lower end surface of the connecting plate of the connecting portion in the positioning base plate (27), and use a positioning shaft pin (34) to penetrate the positioning base plate (27), the positioning scanning plate (33) and the product 2; Step 2: According to the position of the through hole of the product 1, the rotating clamp (29) in the quick positioning mechanism (3) is moved backward, and the positioning pin (28) is passed through the mounting portion of the positioning base plate (27) in the quick positioning mechanism (3) and the through hole of the product 1; Step 3, according to the position of the shape-keeping frame, open the upper locking cover (10) in the locking clamping mechanism (1), flip the upper locking cover (10) along the rotation axis of the hinge (12), make the anti-slip film (11) fit with the shape-keeping frame, and use the spring buckle (13) to tighten the upper locking cover (10) and the lower support cover (14); Step 4, adjusting the locking stud (19) in the telescopic adjustment mechanism (2) so that the adjustment shaft (22) moves along the axis of the limiting clamp (18); Step 5, moving the relative position relationship between the sliding top plate (15) and the supporting bottom plate (16) in the telescopic adjustment mechanism (2) according to the position of the shape-keeping frame, and locking the relative position of the adjustment shaft (22) and the limiting clamping ring (18) by means of a locking stud (19); Step 6, turning on the x-direction rangefinder (6), and measuring the x-direction distance between product 1 and product 2 by projecting a light beam onto the lower connecting plate of the positioning scanning plate (33), and providing feedback on the x-direction distance and adjusting the x-direction displacement difference between product 1 and product 2; Step 7, turning on the y-direction reflection mechanism (5), and measuring the y-direction distance between product 1 and product 2 by hitting the target point on the smooth vertical surface of the fixed scanning plate (35) with a light beam, and providing feedback on the y-direction distance to adjust the y-direction displacement difference between product 1 and product 2; Step 7: After the position adjustment of product 1 and product 2 is completed, they are fixedly connected, the spring buckle (13) is opened, the upper locking cover (10) is flipped along the rotation axis of the hinge (12) to release the shape-keeping frame, the swing card embedded column (30), the positioning pin (28) is pulled out, and the entire scanning overlap device is disassembled.

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