Space product pulsating assembly transfer tray and use method

Abstract

The present application relates to a kind of pulsating assembly transfer tray of aerospace product and use method, wherein rotary disc is rotated in pedestal, and rotary disc edge is equipped with centering mark and outer ring portion, wherein the centering mark includes multiple centering scales distributed along the circumferential direction, multiple station angular marks are arranged on the upper side of the outer ring portion along the circumferential direction, mark line corresponding to each station angular mark is arranged on the outer wall of the outer ring portion, angular positioning indicating block is arranged on the edge of the rotary disc, and zero point scale line of liquid release nozzle is arranged on the angular positioning indicating block, locking top rod for locking rotary disc is arranged on the outer ring portion, each positioning and fixing component is arranged on the pedestal and is arranged on the outer side of rotary disc along the circumferential direction, and zero point scale line is arranged on the pedestal.The present application can adjust the angular position of aerospace product quickly through rotary disc according to the requirement of different station unit, so that the production requirement of pulsating assembly can be met while being convenient and fast transfer.

Description

Technical Field

[0001] This invention relates to the field of assembly tooling, specifically to a pulsed assembly and transfer tray for aerospace products and its usage method. Background Technology

[0002] Due to the unique nature of their product structures, many fields employ different product assembly and production models. For example, for aerospace products such as launch vehicle engines, pulsed assembly production is an effective production model for improving product assembly quality and capacity.

[0003] Pulsed assembly production requires breaking down the engine assembly and testing process into several different workstations. Each workstation performs fixed procedures, and efficient production is achieved by transferring products between these workstations. In pulsed production, the key factor affecting assembly efficiency is how to achieve efficient transfer of products between workstations while simultaneously meeting the high-precision positioning requirements during product assembly and measurement.

[0004] Due to the characteristics of aerospace engines—large weight, high and off-center center of gravity, and numerous welded components with significant individual variations—transfer and handling are difficult. Currently, the primary method is hoisting, where operators first use a ladder to secure specialized slings to the engine's upper support points, then use a crane to move the engine to the designated location, and finally climb up to remove the slings. This process is cumbersome, labor-intensive, and the off-center nature of the hoisting makes it difficult to guarantee high repeatability when placing the product. In contrast, pulsed assembly requires frequent pulsed operations between assembly stations, and pulsed assembly lines have a high level of automation, with some stations incorporating automated measurement. This necessitates high repeatability within each station and precise angular positioning. Therefore, the traditional hoisting methods described above are insufficient for the high-efficiency requirements of pulsed production.

[0005] AGVs (Automated Guided Vehicles) are widely used in the field of automation as a type of automated transport tool. AGVs have the characteristics of automatic navigation and high positioning accuracy, and can be used to transfer aerospace products in pulsed assembly lines. However, due to safety and other factors, AGVs cannot directly carry products. Therefore, there is an urgent need for an aerospace product transfer pallet that is suitable for frequent pulsed transfers and has high repeatability and angular positioning accuracy. The product is installed and positioned on the pallet, and then the AGV docks with the transfer pallet to transfer the aerospace product to each work station unit of the pulsed assembly line. Summary of the Invention

[0006] The purpose of this invention is to provide a pulse assembly transfer tray for aerospace products and a method for using it. The angular position of aerospace products can be quickly adjusted by a rotary table according to the requirements of different station units, thereby facilitating rapid transfer while meeting the production requirements of pulse assembly.

[0007] The objective of this invention is achieved through the following technical solution:

[0008] A pulse assembly and transfer tray for aerospace products includes a base, a rotating disk, and positioning and fixing components. The rotating disk is rotatably mounted on the base, and its edge, from the inside out, has centering marks and an outer ring. The centering marks include multiple centering scales distributed along the circumference. The upper side of the outer ring has multiple angular positioning marks along the circumference, and the outer wall of the outer ring has marking lines corresponding to each angular positioning mark. The edge of the rotating disk has an angular positioning indicator block with a zero-point scale line for a drain nozzle. The outer ring has a locking rod for locking the rotating disk. Each positioning and fixing component is mounted on the base and distributed circumferentially on the outer side of the rotating disk. The base has a zero-point scale line for positioning. The lower end of the aerospace product has a nozzle and a drain nozzle. During transfer and transport, the aerospace product... The aerospace product is placed on a rotating disk and limited by the angular positioning indicator block. The nozzle at the lower end of the aerospace product is placed on each centering scale. The position of the drain nozzle corresponds to the position of the angular positioning indicator block. The aerospace product determines the fine-tuning offset based on the scale readings of each centering scale and adjusts it to a position consistent with the center of the rotating disk. Then, the angular deviation value is determined based on the scale value corresponding to the center line of the drain nozzle and the zero-point scale line of the drain nozzle. Each station angular indicator corresponds one-to-one with each station unit. After the aerospace product is transferred to any station unit, the rotating disk rotates so that the station angular indicator corresponding to that station unit rotates to a position corresponding to the positioning zero-point scale line on the base, and the indicator line corresponding to that station angular indicator rotates to a position corresponding to the scale line on the positioning zero-point scale line with the angular deviation value.

[0009] The lower side of the rotating disk is rotatably connected to the base via a slewing support bearing, wherein the outer ring of the slewing support bearing is fixedly connected to the base, and the inner ring of the slewing support bearing is fixedly connected to the rotating disk.

[0010] The rotating disk has multiple bearing seats along the circumferential direction on its lower side, and the bearing seats are equipped with roller bearings that roll along the upper surface of the base.

[0011] The centering marker includes a centering ring, and the centering ring is located on the outside of each centering scale.

[0012] The upper end of the locking rod is provided with a rotating handle, and the locking rod abuts against the upper surface of the base by rotating the rotating handle.

[0013] The station unit is equipped with a photoelectric sensor, and a reflector is provided on the outer wall of the outer ring of the rotating disk. When the photoelectric sensor detects the reflected signal from the reflector on the rotating disk, it determines that the rotating disk has rotated into position.

[0014] The positioning and fixing assembly includes a stop block, a sliding block, a slide base, and a fixing seat. The fixing seat is fixed on the base, the slide base is fixed on the fixing seat, the sliding block is slidably connected to the slide base, the stop block is located at the front end of the sliding block, a wedge-shaped tail stop is provided on the rear side of the sliding block, the slide base has a sloping groove at the tail end, and after the sliding block moves forward into position, the wedge-shaped tail stop is inserted into the sloping groove. The slide base has an elbow clamp, and after the sliding block moves into position, it is pressed tightly by the elbow clamp.

[0015] The slide base has upright plates on both sides, and the sliding block is located between the two upright plates. The sliding block has sliding grooves on both sides. The upright plates have guide screws, and the guide screws are inserted into the corresponding sliding grooves on the sliding block. The elbow clamp is installed on the upright plates. The upper side of the sliding block has a handle. The upper end of the wedge-shaped tail stop has a handle. The tail end of the fixed seat has a placement rack, and the wedge-shaped tail stop is placed on the placement rack after being removed. The stop block has a flexible pad.

[0016] The base has a fork arm groove on its lower side and an AGV reflector on one side of the base.

[0017] A method for using a pulsed assembly transfer tray for aerospace products, comprising the following steps:

[0018] Step 1: Place the lower end of the aerospace product on the rotating disk, and place the drain nozzle at the lower end of the aerospace product on the angular positioning indicator block to achieve preliminary angular positioning of the aerospace product;

[0019] Step 2: After the aerospace product is in place, the nozzle at the lower end of the aerospace product is placed on each centering scale distributed along the circumference. The offset of the aerospace product is calculated based on the scale reading of the nozzle on each centering scale, and the position of the aerospace product is finely adjusted according to the offset to make its center consistent with the center of the rotating disk.

[0020] Step 3: Determine the angle deviation value based on the corresponding scale value on the zero-point scale line of the drain nozzle centerline;

[0021] Step 4: Tighten the locking rod to lock the rotational freedom of the rotating disk, and lock the aerospace product by attaching it to the lower end of the aerospace product through various positioning and fixing components. Then, transfer the base to the set position in the corresponding station unit.

[0022] Step 5: After moving into place, loosen the locking rod, and then rotate the rotating disk according to the station angle mark corresponding to the station unit, so that the station angle mark is rotated to the position corresponding to the positioning zero point scale line on the base;

[0023] Step Six: Continue rotating the rotary table until the marker line corresponding to the angular marker of the station position rotates to the position of the scale line on the positioning zero point scale that corresponds to the angular deviation value determined in Step Three;

[0024] Step 7: After the rotating disk is rotated into position, tighten the locking rod to lock the rotating disk, and lock the aerospace product by attaching the various positioning and fixing components to the lower end of the aerospace product.

[0025] The advantages and positive effects of this invention are as follows:

[0026] 1. This invention can be used with mobile AGVs or forklifts to achieve rapid transfer, and can quickly adjust the angular position of aerospace products through a rotary table according to the requirements of different station units, thereby meeting the production requirements of pulsed assembly.

[0027] 2. This invention sets multiple angular markers on a rotating disk according to the angular positions required for automated measurement or assembly of aerospace products in different station units. When an aerospace product enters any station unit, the operator only needs to rotate the rotating disk and rotate the angular marker corresponding to that station unit to the position corresponding to the positioning zero-point scale line on the base. The operation is simple and convenient. Furthermore, considering the special characteristics of aerospace products, when the aerospace product is initially placed on the rotating disk, this invention uses the drain nozzle as a reference and determines the compensation angle for subsequent operations based on the deviation value of the drain nozzle centerline on the drain nozzle zero-point scale line. Thus, when the aerospace product enters any station unit, in addition to rotating the rotating disk to rotate the corresponding angular marker to the position corresponding to the positioning zero-point scale line on the base, the operator also needs to rotate the marker line corresponding to that angular marker to the same deviation angle scale line on the positioning zero-point scale line to compensate for the angle, thereby ensuring accurate adjustment.

[0028] 3. When the aerospace product is initially placed on the rotating disk, the present invention utilizes various centering scales to achieve precise centering of the aerospace product on the rotating disk. After the aerospace product is initially placed, its lower nozzle is placed on various centering scales distributed along the circumference. Then, the operator can calculate the offset of the aerospace product based on the scale reading of the nozzle on each centering scale, and fine-tune the position of the aerospace product according to the offset to make its center consistent with the center of the rotating disk.

[0029] 4. The present invention has an angular positioning indicator block on the rotating disk, and the angular positioning indicator block has a zero-point scale line for the drain nozzle. When the aerospace product is initially placed, its lower end cooperates with the angular positioning indicator block to achieve preliminary positioning. Since the position of the drain nozzle corresponds to the position of the angular positioning indicator block, the drain nozzle can directly point to the zero-point scale line of the drain nozzle after the aerospace product is placed, thereby facilitating the reading by the operator.

[0030] 5. This invention locks the rotating disk with a locking top rod and fixes the aerospace product with a positioning and fixing component. While ensuring a secure lock, it also facilitates on-site operation and ensures that the positioning accuracy of the aerospace product is not affected when it is transferred.

[0031] 6. The positioning and fixing component of the present invention utilizes a sliding block to drive a stop block to move and position itself against the aerospace product. Furthermore, the wedge-shaped tail stop cooperates with the inclined groove on the slide base to achieve tight contact and locking between the stop block and the aerospace product. At the same time, the inclined surface and inclined groove at the lower end of the wedge-shaped tail stop are designed with an angle so that the horizontal component of the static friction force generated between them is greater than its vertical component. That is, the wedge-shaped tail stop can achieve self-locking by friction. In addition, the vertical plate of the slide base is provided with an elbow clamp to apply a vertically downward force to the upper surface of the sliding block to prevent the aerospace product from detaching from the positioning and fixing component during the transfer or assembly process, which would cause it to overturn. This ensures that the aerospace product is securely fixed. Attached Figure Description

[0032] Figure 1 This is a schematic diagram of the structure of the present invention.

[0033] Figure 2 for Figure 1 A schematic diagram of the usage state of the present invention.

[0034] Figure 3 for Figure 2 A schematic diagram of the structure of aerospace products in China.

[0035] Figure 4 for Figure 1 A cross-sectional view of the present invention.

[0036] Figure 5 for Figure 4 A schematic diagram of the usage state of the present invention.

[0037] Figure 6 for Figure 5 A three-dimensional structural diagram of the positioning and fixing component.

[0038] Figure 7 for Figure 1 Top view of the present invention.

[0039] Figure 8 for Figure 7 Schematic diagram of the usage status of the present invention Figure 1 ,

[0040] Figure 9 for Figure 8 Enlarged view of point I in the image.

[0041] Figure 10 for Figure 8 Enlarged view of section II in the image.

[0042] Figure 11 for Figure 8 Enlarged view of section III in the image.

[0043] Figure 12 for Figure 8 Enlarged view of point IV in the image.

[0044] Figure 13 for Figure 7 Schematic diagram of the usage status of the present invention Figure 2 ,

[0045] Figure 14 for Figure 13 Enlarged view of point A in the image.

[0046] Figure 15 for Figure 1 Another structural schematic diagram of the present invention.

[0047] Among them, 1 is the base, 2 is the rotating disk, 201 is the outer ring, 2011 is the marking line, 2012 is the reflector, 202 is the bearing seat, 203 is the roller bearing, 3 is the angular positioning indicator block, 4 is the centering mark, 401 is the centering scale, 402 is the centering ring, 5 is the slewing support bearing, 501 is the outer ring of the bearing, 502 is the inner ring of the bearing, 6 is the positioning and fixing assembly, 601 is the flexible pad, 602 is the stop block, 603 is the elbow clamp, 604 is the sliding block, 605 is the wedge-shaped tail stop, 606 is the handle, 607 is the slide base, 6071 is the upright plate, 608 is the placement rack, and 609 is the fixed base. 610 is the handle, 611 is the guide screw, 7 is the rotating handle, 8 is the locking rod, 9 is the station angle indicator, 901 is the D1 station angle indicator, 902 is the D2 station angle indicator, 903 is the D3 station angle indicator I, 904 is the D3 station angle indicator II, 905 is the D3 station angle indicator III, 10 is the AGV reflector, 11 is the fork arm slot, 12 is the outrigger, 13 is the outrigger pad, 14 is the lifting ring, 15 is the photoelectric sensor, 16 is the sensor bracket, 17 is the aerospace product, 171 is the nozzle, 172 is the drain nozzle, 18 is the zero point scale line of the drain nozzle, and 19 is the positioning zero point scale line. Detailed Implementation

[0048] The invention will now be described in further detail with reference to the accompanying drawings.

[0049] like Figure 3 As shown, the aerospace product 17 targeted by this invention has a nozzle 171 arranged along the circumferential direction at its lower end, and a drain nozzle 172 is provided on one side of the lower end of the aerospace product 17, as shown. Figures 1-2 He Ru Figures 4-15 As shown, the present invention includes a base 1, a rotating disk 2, and a positioning and fixing assembly 6, wherein the rotating disk 2 is rotatably mounted on the base 1, and as... Figure 1 and Figure 7 As shown, the rotating disk 2 has a centering mark 4 and an outer ring 201 arranged sequentially from the inside to the outside. The centering mark 4 includes multiple centering scales 401 distributed along the circumferential direction. The outer ring 201 has multiple station angle marks 9 arranged along the circumferential direction on its upper side. Figure 2 As shown, the outer ring 201 has marking lines 2011 on its outer wall that correspond to the angular markings 9 of each station location, such as... Figure 1 As shown, the edge of the rotating disk 2 is also provided with an angular positioning indicator block 3, and as shown... Figure 7 and Figure 14 As shown, the portion of the angular positioning indicator block 3 located on the upper side of the outer ring 201 is provided with a zero-point scale line 18 for the drain nozzle, such as... Figure 1 As shown, the outer ring portion 201 is provided with a locking rod 8 for locking the position of the rotating disk 2, and each positioning and fixing component 6 is provided on the base 1 and distributed along the circumferential direction on the outer side of the rotating disk 2, as shown. Figure 2 As shown, the base 1 is provided with a positioning zero point scale line 19, and the positioning zero point scale line 19 is also provided on the outside of the rotating disk 2.

[0050] When this invention is working, as Figure 2 , Figure 5 , Figure 8 and Figure 13 As shown, the lower end of the aerospace product 17 is placed on the rotating disk 2, and the drain nozzle 172 at the lower end of the aerospace product 17 is placed on the angular positioning indicator block 3 to achieve preliminary angular positioning of the aerospace product 17. Figures 8-12As shown, after the aerospace product 17 is positioned, its lower nozzle 171 is placed on various centering scales 401 distributed along the circumference. The present invention calculates the offset of the aerospace product 17 based on the scale readings of the nozzle 171 on each centering scale 401, and finely adjusts the position of the aerospace product 17 according to this offset to align its center with the center of the rotating disk 2. Then, the operator tightens the locking rod 8 to lock the rotational freedom of the rotating disk 2, and locks the aerospace product 17 by attaching each positioning and fixing component 6 to the lower end of the aerospace product 17. At this time, the positioning and fixing components 6 also press and fix the nozzle 171. Then, using a transfer AGV or forklift, the base 1 of the present invention is lifted and the present invention is transferred to the set position within the corresponding station unit. Then, the operator loosens the locking rod 8 to unlock the rotating disk 2 and allow it to rotate freely. Then, the operator rotates the rotating disk 2 according to the station angle corresponding to the station unit towards the marker 9, and so on. Figure 14 As shown, the station angle is rotated to the position corresponding to the positioning zero-point scale line 19 on the base 1. Furthermore, when the aerospace product 17 is initially positioned, the present invention can determine the angle deviation value based on the corresponding scale value on the center line of the drain nozzle 172 and the zero-point scale line 18 of the drain nozzle, thereby determining the compensation angle for subsequent operations, i.e., as shown... Figure 14 As shown, if the center line of the drain nozzle 172 of the aerospace product 17 corresponds to the "-2" scale line on the zero-point scale line 18 of the drain nozzle after it is placed, then when positioning within each station unit, in addition to rotating the corresponding station angle towards the marker 9 to the position corresponding to the positioning zero-point scale line 19 on the base 1, it is also necessary to rotate the marker line 2011 corresponding to the station angle towards the marker 9 to the position corresponding to the corresponding scale line on the positioning zero-point scale line 19, that is, as shown in the figure. Figure 14 As shown, the angular marker II904 at station D3 corresponds to the "-2" mark on the zero-point scale line 19. Figure 2 As shown, each station unit is equipped with a photoelectric sensor 15. The outer wall of the outer ring 201 of the rotating disk 2 is provided with a reflector 2012. When the photoelectric sensor 15 detects the reflected signal of the reflector 2012 on the rotating disk 2, it is determined that the rotating disk 2 has rotated into place. Then, the operator tightens the locking rod 8 to lock the rotating disk 2, and locks the aerospace product 17 by attaching the various positioning and fixing components 6 to the lower end of the aerospace product 17. Then, the equipment in the station unit can be started to test or assemble the aerospace product 17.

[0051] like Figure 1 and Figure 4 As shown, in this embodiment, the lower side of the rotating disk 2 is rotatably connected to the base 1 via a slewing support bearing 5, wherein the outer ring 501 of the slewing support bearing 5 is fixedly connected to the base 1, and the inner ring 502 of the slewing support bearing 5 is fixedly connected to the rotating disk 2. Additionally, as shown... Figure 4As shown, multiple bearing seats 202 are provided along the circumferential direction on the lower side of the rotating disk 2, and roller bearings 203 are provided on the bearing seats 202 to roll along the upper surface of the base 1. In this embodiment, a total of eight sets of bearing seats 202 and roller bearings 203 are evenly distributed along the circumferential direction on the lower side of the rotating disk 2 to ensure the load on the rotating disk 2 and the smoothness of the rotational movement of the rotating disk 2.

[0052] like Figure 1 and Figure 7 As shown, the centering mark 4 includes a centering scale 401 and a centering ring 402. Each centering scale 401 is arranged on the circumference of the rotating disk 2 with the bottom circle of the nozzle 171 at the lower end of the aerospace product 17 as its diameter. Figures 9-12 As shown, after the aerospace product 17 is placed on the rotating disk 2, its lower nozzle 171 can be placed on each centering scale 401. The centering ring 402 is located on the outside of each centering scale 401. In this embodiment, the centering ring 402 is made of bakelite material to avoid rigid contact with the nozzle 171 and causing surface damage to the product. At the same time, it is distinguished by a bright color from the color of the rotating disk 2.

[0053] like Figures 7-12 As shown, in this embodiment, the station angular markers 9 include D1 station angular marker 901, D2 station angular marker 902, D3 station angular marker I 903, D3 station angular marker II 904, and D3 station angular marker III 905. These are all set according to the angular positions required for automated measurement or assembly operations of the aerospace product 17 in different station units. The D3 station includes three angular positions, that is, the three station angular markers 9, namely D3 station angular marker I 903, D3 station angular marker II 904, and D3 station angular marker III 905, are set accordingly.

[0054] like Figures 1-2 As shown, in this embodiment, the rotating disk 2 is provided with two sets of locking rods 8. The locking rods 8 are threadedly connected to the rotating disk 2. The upper end of the locking rod 8 is provided with a rotating handle 7. When the angular position of the rotating disk 2 is determined, the operator screws the rotating handle 7 to tighten the locking rod 8 so that its lower end abuts against the upper plane of the steel structure base 1, thereby locking the rotating disk 2 and the steel structure base 1. In addition, in this embodiment, the lower end of the locking rod 8 is provided with a friction block to increase the locking friction with the base 1.

[0055] like Figure 2As shown, in this embodiment, there are two sets of photoelectric sensors 15, which are respectively installed on the corresponding sensor mounting brackets 16. When the rotating disk 2 rotates to the set angular position in the station unit, the photoelectric sensor 15 detects the signal reflected by the reflector 2012 and determines that the attitude of the aerospace product 17 is correct. It then feeds back to the control system for automated measurement or assembly equipment operation. In this embodiment, two sets of photoelectric sensors 15 can correspond to four state combinations, which can determine three angular positions in the same station unit. Different workstations can set the number of photoelectric sensors 15 according to the angular position of the product in the station unit to meet the usage requirements.

[0056] like Figures 1-2 and Figures 5-6 As shown, in this embodiment, four sets of positioning and fixing components 6 are provided on the base 1 along the circumferential direction. The positioning and fixing components 6 include a stop block 602, a sliding block 604, a slide base 607, and a fixing seat 609. The fixing seat 609 is fixed on the base 1, the slide base 607 is fixed on the fixing seat 609, the sliding block 604 is slidably connected to the slide base 607, the stop block 602 is provided at the front end of the sliding block 604, the rear side of the sliding block 604 is provided with a wedge-shaped tail stop 605, and the tail of the slide base 607 is provided with a sloping groove. When the present invention is in operation, the operator first drives the sliding block 604 forward to make the stop block 602 fit with the aerospace product 17, and then inserts the wedge-shaped tail stop 605 into the inclined groove at the tail of the slide base 607. When the wedge-shaped tail stop 605 is inserted into the inclined groove, the inclined surface at its lower end cooperates with the inclined groove to generate a squeezing force so that the stop block 602 fits tightly with the lower end of the aerospace product 17. At the same time, the stop block 602 abuts against the nozzle 171 to lock the nozzle 171. This invention designs the inclination angle of the inclined surface at the lower end of the wedge-shaped tail stop 605 and the inclined surface groove through force analysis calculations, so that the horizontal component of the static friction force generated between the inclined surface at the lower end of the wedge-shaped tail stop 605 and the inclined surface groove of the slide base 607 is greater than its vertical component. That is, the wedge-shaped tail stop 605 can achieve self-locking by friction. In this way, the horizontal force applied to the stop block 602 by the nozzle 171 alone cannot make the wedge-shaped tail stop 605 slide out of the inclined surface groove of the slide base 607. In addition, the slide base 607 is provided with an elbow clamp 603. After the sliding block 604 moves into place, it is further fixed by applying a vertical downward force through the elbow clamp 603. The elbow clamp 603 is a known technology in the art and a commercially available product. For example, a suitable model of elbow clamp sold by Dongguan Jiagang Electromechanical Technology Development Co., Ltd. can be used.

[0057] like Figure 6As shown, in this embodiment, the slide base 607 is provided with upright plates 6071 on both sides, and the sliding block 604 is provided between the two upright plates 6071. The sliding block 604 is provided with sliding grooves on both sides, and the upright plate 6071 is provided with guide screws 611. The guide screws 611 are inserted into the sliding grooves on the corresponding side of the sliding block 604 to realize the relative sliding of the sliding block 604 and the slide base 607. In addition, the elbow clamp 603 is installed on the upright plate 6071 on the corresponding side.

[0058] like Figure 6 As shown, in this embodiment, the upper side of the sliding block 604 is provided with a handle 610 to facilitate the operator to move the sliding block 604 back and forth.

[0059] like Figure 6 As shown, in this embodiment, the wedge-shaped tail stop 605 is provided with a handle 606 at its upper end to facilitate inserting the wedge-shaped tail stop 605 into the inclined groove or removing the wedge-shaped tail stop 605 from the inclined groove. The fixed base 609 is provided with a placement rack 608 at its tail end. In the non-working state, the wedge-shaped tail stop 605 can be removed and placed on the placement rack 608.

[0060] like Figure 6 As shown, in this embodiment, the block 602 is provided with a flexible pad 601 that contacts the aerospace product 17 to avoid rigid contact between the block 602 and the main body of the aerospace product 17 and the nozzle 171.

[0061] like Figure 1 and Figure 15 As shown, the base 1 has a fork arm groove 11 on its lower side to cooperate with a fork arm transfer AGV or a manual forklift to realize the transfer between different stations. In addition, the base 1 has an AGV reflector 10 on one side for reflecting the distance sensor of the transfer AGV. The transfer AGV can determine whether it has moved to the correct position based on the distance signal reflected by the reflector.

[0062] like Figure 1 As shown, each corner of the upper side of the base 1 is provided with a lifting ring 14 to facilitate the transfer of the present invention by crane in special circumstances. The lower side of the base 1 is provided with a support leg 12, and the bottom of the support leg 12 is provided with a rubber pad 13 to avoid damaging the ground during transportation.

[0063] The working principle of this invention is as follows:

[0064] The use of this invention includes the following steps:

[0065] Step 1: Place the lower end of the aerospace product 17 on the rotating disk 2, and place the drain nozzle 172 at the lower end of the aerospace product 17 on the angular positioning indicator block 3 to achieve the initial angular positioning of the aerospace product 17.

[0066] Step 2: After the aerospace product 17 is positioned, the nozzle 171 at the lower end of the aerospace product 17 is placed on each centering scale 401 distributed along the circumference. The offset of the aerospace product 17 is calculated based on the scale reading of the nozzle 171 on each centering scale 401, and the position of the aerospace product 17 is finely adjusted according to the offset to make its center consistent with the center of the rotating disk 2.

[0067] Specifically, such as Figures 8-12 As shown, the four centering scales 401 set on the rotating disk 2 are defined as I, II, III, and IV in a counterclockwise direction. I and III are arranged opposite each other, and the line connecting them is defined as the X-axis. II and IV are arranged opposite each other, and the line connecting them is defined as the Y-axis. When the aerospace product 17 is positioned on the rotating disk 2, its lower edge will form corresponding readings on the four centering scales 401. In this embodiment, after the aerospace product 17 is positioned on the rotating disk 2, the reading at I is 25, the reading at II is 21, the reading at III is 25, and the reading at IV is 29. At this time, the positioning of the aerospace product 17 on the rotating disk 2 is inaccurate, and it needs to be moved by a corresponding displacement based on the above readings to complete the centering. The displacement on the X-axis is X. L The amount of movement on the Y-axis is Y. L Based on the above readings, we can obtain:

[0068] That is, no movement is required on the X-axis;

[0069] That is, move 4mm in the positive direction of the Y-axis to complete the centering.

[0070] Step 3: Determine the angle deviation value based on the corresponding scale value on the zero-point scale line 18 of the drain nozzle 172, and then determine the compensation angle for subsequent operations.

[0071] When the aerospace product 17 is positioned, the position of its lower drain nozzle 172 corresponds to the position of the angular positioning indicator block 3 set on the rotating disk 2. Once the center of the aerospace product 17 aligns with the center of the rotating disk 2, as follows... Figure 14 As shown, if the drain nozzle 172 at the lower end of the aerospace product 17 corresponds to the "-2" scale line on the zero point scale line 18 of the drain nozzle, this is the angle deviation value.

[0072] Step 4: The operator tightens the locking rod 8 to lock the rotational freedom of the rotating disk 2, and locks the aerospace product 17 by attaching each positioning and fixing component 6 to the lower end of the aerospace product 17. At this time, the positioning and fixing component 6 also presses and fixes the nozzle 171. Then, the invention is transferred to the set position in the corresponding station unit by using a transfer AGV or forklift.

[0073] Step 5: After moving into position, the operator loosens the locking rod 8 to unlock the rotating disk 2 and allow it to rotate. Then, the operator rotates the rotating disk 2 towards the marker 9 according to the station angle corresponding to the station unit, and so on. Figure 14 The position is rotated so that the angular marker 9 corresponds to the position of the zero-point scale line 19 on the base 1.

[0074] Step Six: The operator continues to rotate the rotary table 2 until the marker line 2011 corresponding to the angular marker 9 at the station position rotates to the position of the scale line 19 on the positioning zero point, which corresponds to the angular deviation value determined in Step Three. Figure 14 As shown, when this embodiment moves to the D3 station unit and needs to be adjusted to the second angular position, in addition to aligning the D3 station angular marker II 904 with the position of the zero-point scale line 19, its corresponding marker line 2011 also needs to be aligned with the "-2" mark of the zero-point scale line 19 to compensate for the angular deviation when the aerospace product 17 is initially placed.

[0075] Step 7: Each station unit is equipped with a photoelectric sensor 15. The outer wall of the outer ring 201 of the rotating disk 2 is equipped with a reflector 2012. When the photoelectric sensor 15 detects the reflected signal of the reflector 2012 on the rotating disk 2, it is determined that the rotating disk 2 has rotated into place. Then, the operator tightens the locking rod 8 to lock the rotating disk 2, and locks the aerospace product 17 by attaching each positioning and fixing component 6 to the lower end of the aerospace product 17. Then, the equipment in the station unit can be started to test or assemble the aerospace product 17.

Claims

1. A pulsed assembly and transfer tray for aerospace products, characterized in that: The system includes a base (1), a rotating disk (2), and a positioning and fixing assembly (6). The rotating disk (2) is rotatably mounted on the base (1), and the edge of the rotating disk (2) is provided with a centering mark (4) and an outer ring (201) from the inside to the outside. The centering mark (4) includes multiple centering scales (401) distributed along the circumferential direction. The upper side of the outer ring (201) is provided with multiple station angular markings (9) along the circumferential direction. The outer wall of the outer ring (201) is provided with marking lines corresponding to each station angular marking (9). 2011), the rotating disk (2) is provided with an angular positioning indicator block (3) on its edge, and the angular positioning indicator block (3) is provided with a zero-point scale line (18) for the drain nozzle. The outer ring (201) is provided with a locking rod (8) for locking the rotating disk (2). Each positioning and fixing component (6) is provided on the base (1) and distributed along the circumferential direction on the outside of the rotating disk (2). The base (1) is provided with a positioning zero-point scale line (19). The lower end of the aerospace product (17) is provided with a nozzle (171) and a drain nozzle (172) for transfer and transportation. The aerospace product (17) is placed on the rotating disk (2) and limited by the angular positioning indicator block (3). The nozzle (171) at the lower end of the aerospace product (17) is placed on each centering scale (401). The position of the drain nozzle (172) corresponds to the position of the angular positioning indicator block (3). The aerospace product (17) determines the fine-tuning offset according to the scale reading of each centering scale (401) and adjusts it to a position consistent with the center of the rotating disk (2). Then, the center line of the drain nozzle (172) and the zero-point scale line of the drain nozzle are used to determine the fine-tuning offset. (18) The corresponding scale value determines the angle deviation value. Each station angle indicator (9) corresponds to each station unit. After the aerospace product (17) is transferred to any station unit, the rotating disk (2) rotates so that the station angle indicator (9) corresponding to the station unit rotates to the position corresponding to the positioning zero point scale line (19) on the base (1). The indicator line (2011) corresponding to the station angle indicator (9) rotates to the position of the scale line corresponding to the angle deviation value on the positioning zero point scale line (19).

2. The aerospace product pulse assembly and transfer tray according to claim 1, characterized in that: The lower side of the rotating disk (2) is rotatably connected to the base (1) via a slewing support bearing (5), wherein the outer ring (501) of the slewing support bearing (5) is fixedly connected to the base (1), and the inner ring (502) of the slewing support bearing (5) is fixedly connected to the rotating disk (2).

3. The aerospace product pulse assembly and transfer tray according to claim 2, characterized in that: The rotating disk (2) has multiple bearing seats (202) arranged along the circumferential direction on its lower side, and the bearing seats (202) are provided with roller bearings (203) that roll along the upper surface of the base (1).

4. The aerospace product pulse assembly and transfer tray according to claim 1, characterized in that: The centering mark (4) includes a centering ring (402), and the centering ring (402) is located outside each centering scale (401).

5. The aerospace product pulse assembly and transfer tray according to claim 1, characterized in that: The upper end of the locking rod (8) is provided with a rotating handle (7), and the locking rod (8) abuts against the upper surface of the base (1) by rotating the rotating handle (7).

6. The aerospace product pulse assembly and transfer tray according to claim 1, characterized in that: A photoelectric sensor (15) is provided in the station unit. A reflector (2012) is provided on the outer wall of the outer ring (201) of the rotating disk (2). When the photoelectric sensor (15) detects the reflected signal of the reflector (2012) on the rotating disk (2), it determines that the rotating disk (2) has rotated into position.

7. The aerospace product pulse assembly and transfer tray according to claim 1, characterized in that: The positioning and fixing component (6) includes a stop block (602), a sliding block (604), a slide base (607), and a fixing seat (609). The fixing seat (609) is fixed on the base (1), the slide base (607) is fixed on the fixing seat (609), the sliding block (604) is slidably connected to the slide base (607), the stop block (602) is located at the front end of the sliding block (604), the rear side of the sliding block (604) is provided with a wedge-shaped tail stop (605), the tail of the slide base (607) is provided with a sloping groove, and after the sliding block (604) moves forward into position, the wedge-shaped tail stop (605) is inserted into the sloping groove. The slide base (607) is provided with an elbow clamp (603), and after the sliding block (604) moves into position, it is pressed by the elbow clamp (603).

8. The aerospace product pulse assembly and transfer tray according to claim 7, characterized in that: The slide base (607) has upright plates (6071) on both sides, and the sliding block (604) is located between the two upright plates (6071). The sliding block (604) has sliding grooves on both sides. The upright plate (6071) has guide screws (611), and the guide screws (611) are inserted into the corresponding sliding grooves on the sliding block (604). The elbow clamp (603) is installed on the upright plate (6071). The upper side of the sliding block (604) has a handle (610). The upper end of the wedge-shaped tail stop (605) has a handle (606). The tail end of the fixed base (609) has a placement rack (608), and the wedge-shaped tail stop (605) is placed on the placement rack (608) after being removed. The stop block (602) has a flexible pad (601).

9. The aerospace product pulse assembly and transfer tray according to claim 1, characterized in that: The base (1) has a fork arm groove (11) on its lower side and an AGV reflector plate (10) on one side of the base (1).

10. A method for using a pulsed assembly transfer tray for aerospace products according to claim 1, characterized in that: Includes the following steps: Step 1: Place the lower end of the aerospace product (17) on the rotating disk (2), and place the drain nozzle (172) at the lower end of the aerospace product (17) on the angular positioning indicator block (3) to achieve the initial angular positioning of the aerospace product (17); Step 2: After the aerospace product (17) is placed, the nozzle (171) at the lower end of the aerospace product (17) is placed on each centering scale (401) distributed along the circumference. The offset of the aerospace product (17) is calculated based on the scale reading of the nozzle (171) on each centering scale (401), and the position of the aerospace product (17) is finely adjusted according to the offset to make its center consistent with the center of the rotating disk (2). Step 3: Determine the angle deviation value based on the corresponding scale value on the center line of the drain nozzle (172) and the zero-point scale line (18) of the drain nozzle; Step 4: Tighten the locking rod (8) to lock the rotational freedom of the rotating disk (2), and lock the aerospace product (17) by attaching each positioning and fixing component (6) to the lower end of the aerospace product (17). Then transfer the base (1) to the set position in the corresponding station unit. Step 5: After moving into place, loosen the locking top rod (8), and then rotate the rotating disk (2) according to the station angle mark (9) corresponding to the station unit, so that the station angle mark (9) is rotated to the position corresponding to the positioning zero point scale line (19) on the base (1); Step 6: Continue to rotate the rotary disk (2) so that the mark line (2011) corresponding to the station angular marker (9) rotates to the position of the scale line on the positioning zero point scale line (19) corresponding to the angular deviation value determined in Step 3; Step 7: After the rotating disk (2) is rotated into place, tighten the locking rod (8) to lock the rotating disk (2), and lock the aerospace product (17) by attaching the various positioning and fixing components (6) to the lower end of the aerospace product (17).

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