Aluminum alloy honeycomb panel brazing fixture and processing method

Abstract

The present invention provides an aluminum alloy honeycomb panel brazing fixture and processing method, comprising a base, a first support plate symmetrically fixedly connected to one side of the upper surface of the base, an L-shaped plate rotatably connected between two of the first support plates, a clamping mechanism provided inside the base for cooperating with the L-shaped plate, a groove provided on the upper surface of the base, a plurality of support rollers rotatably connected thereto in sequence through the interior of the groove, and a first rotating shaft fixedly connected thereto through the outer surface of the L-shaped plate. The present invention, through the provision of a ratchet mechanism, a transmission mechanism, a plurality of support rollers, and an adjustable clamping mechanism, can not only be adjusted according to aluminum alloy honeycomb panels of different areas, thereby enabling the clamp to be clamped to different areas, thereby improving the practicality of the fixture, but can also be quickly opened and automatically unloaded after the brazing of the aluminum alloy honeycomb panels is completed, thereby facilitating use and improving work efficiency.

Description

Technical Field

[0001] The invention relates to the technical field of brazing of aluminum alloy honeycomb panels, in particular to a brazing fixture for aluminum alloy honeycomb panels and a processing method thereof. Background Art

[0002] Aluminum honeycomb panels are composite materials made of aluminum foil with a regular hexagonal or circular honeycomb core, and two aluminum sheets as the skin. Due to their light weight, high specific strength, high rigidity, excellent stability, and sound and heat insulation, they are widely used in aerospace, automotive, shipbuilding, and construction industries. Aluminum alloy honeycomb panels are currently produced using either adhesive bonding or brazing.

[0003] When brazing existing aluminum alloy honeycomb panels, a clamp is generally required to clamp the aluminum alloy honeycomb panels. However, the contact area between the existing aluminum alloy honeycomb panel brazing clamp and the aluminum alloy honeycomb panel is large, resulting in obvious indentations after welding, which affects product quality. In addition, the structure of the existing aluminum alloy honeycomb panel brazing clamp is relatively fixed and cannot be adjusted according to aluminum alloy honeycomb panels of different sizes. Clamps of different specifications need to be replaced, which not only increases the burden but also affects work efficiency. In addition, after brazing is completed, the clamp needs to be manually removed, thereby reducing work efficiency. Summary of the Invention

[0004] (1) Technical problems solved

[0005] In view of the deficiencies in the prior art, the present invention provides an aluminum alloy honeycomb panel brazing fixture and a processing method, which solve the above-mentioned problems.

[0006] (2) Technical solution

[0007] To achieve the above objectives, the present invention is implemented through the following technical solutions: an aluminum alloy honeycomb panel brazing fixture comprises a base, wherein one side of the upper surface of the base is symmetrically fixedly connected to a first support plate, an L-shaped plate is rotatably connected between the two first support plates, the interior of the base is provided with a clamping mechanism that cooperates with the L-shaped plate, the upper surface of the base is provided with a groove, the interior of the groove is passed through and rotatably connected to a plurality of support rollers, the outer surface of the L-shaped plate is passed through and fixedly connected to a first rotating shaft, one end of the first rotating shaft is fixedly connected to a ratchet mechanism, a transmission mechanism is provided between the ratchet mechanism and the plurality of support rollers, the top end of the L-shaped plate is passed through and slidably connected to a vertical rod, the outer surface of the vertical rod is threadedly connected to a locking nut, the bottom end of the locking nut is rotatably connected to the upper surface of the L-shaped plate, and the bottom end of the vertical rod is installed with an adjustable clamping mechanism.

[0008] Preferably, the clamping mechanism includes an empty groove on the upper surface of the base, a spring is fixedly connected to the bottom of the empty groove, a clamping block is fixedly connected to the top of the spring, a clamping groove matching the clamping block is provided on the outer surface of the L-shaped plate, a push rod is slidably connected to one side of the outer surface of the base, an oblique groove matching the push rod is provided on the outer surface of the clamping block, and one end of the push rod is fixedly connected to the push plate.

[0009] Preferably, the ratchet mechanism includes a second support plate fixedly mounted on the upper surface of the base, the outer surface of the second support plate is rotatably connected to a rotating tube, one end of the rotating tube is fixedly connected to a rotating wheel, the inner wall of the rotating wheel is fixedly connected to a plurality of ratchets in sequence, one end of the first rotating shaft passes through the rotating tube and extends to the interior of the rotating wheel and is fixedly connected to a turntable, the outer surface of the turntable is rotatably connected to a latch tooth matching the ratchet tooth, and an elastic sheet is fixedly connected between the latch tooth and the outer surface of the turntable.

[0010] Preferably, the transmission mechanism includes a third support plate fixedly connected to one side of the outer surface of the base, the outer surface of the third support plate is rotatably connected to the second rotating shaft, the outer surface of the second rotating shaft is fixedly sleeved with a first worm and a second worm wheel in sequence, one end of the support roller is fixedly connected to the first worm wheel meshing with the first worm, and the outer surface of the rotating wheel is fixedly connected to the second worm meshing with the second worm wheel.

[0011] Preferably, the adjustable clamping mechanism includes a cross bracket fixedly connected to the bottom end of the vertical rod, a cross groove is provided on the outer surface of each end of the cross bracket, a cross rod is slidably connected inside the cross groove, a connecting rod is rotatably connected to the upper surface of one end of the cross rod, a threaded sleeve is threadedly connected to the outer surface of the threaded sleeve, a ring is rotatably connected to the outer surface of the ring, and one end of the connecting rod is rotatably connected to the outer surface of the ring.

[0012] Preferably, an outer surface fixing sleeve of the threaded sleeve is provided with an adjusting nut, and the adjusting nut is located at the top of the threaded sleeve.

[0013] Preferably, the vertical rod is in the shape of a rectangular rod, and arc surfaces are provided on all four sides of the vertical rod, and the arc surfaces are provided with threads that cooperate with the locking nut and the threaded sleeve.

[0014] Preferably, the top end of the support roller extends to the top of the base, support blocks are fixedly connected to the four sides of the lower surface of the base, and a plurality of through holes communicating with the grooves are opened on the lower surface of the base.

[0015] A processing method comprising the following steps:

[0016] S1. Push the push plate. The push plate moves and drives the push rod to push the card block so that the card block moves out of the card slot, and then rotate the L-shaped plate;

[0017] S2. Place the bottom plate, honeycomb core and top plate of the aluminum alloy honeycomb panel on the support rollers in sequence, and then rotate the L-shaped panel. At this time, the spring automatically drives the clamping block 11 into the clamping slot to clamp and support the L-shaped panel;

[0018] S3. Rotate the adjusting nut according to the area of ​​the aluminum alloy honeycomb panel. The rotation of the adjusting nut drives the threaded sleeve to rotate, thereby driving the threaded sleeve and the ring to move up and down through the thread. In turn, the four cross rods are driven to move relative to each other under the action of the connecting rod, thereby changing the length of the four cross rods so that the four cross rods can match the area of ​​the aluminum alloy honeycomb panel;

[0019] S4. After the adjustment is completed, the locking nut is rotated. The locking nut 8 rotates through the thread to drive the vertical rod downward, thereby driving the cross bracket and the cross rod to move downward, thereby pressing the aluminum alloy honeycomb panel to prevent movement during brazing;

[0020] S5. Place the clamped aluminum alloy honeycomb panel in a brazing furnace for brazing. After brazing is complete, cool the panel and remove it. Then, loosen the locking nut in the opposite direction, push the push plate to move the block out of the slot, and rotate the L-shaped plate. The rotation of the L-shaped plate drives the first rotating shaft to rotate, which in turn drives the turntable and the locking gear to rotate, thereby driving the runner and the second worm to rotate through the ratchet.

[0021] S6. The second worm rotates to drive the second rotating shaft and the first worm to rotate, thereby simultaneously driving the plurality of first worm wheels and the support rollers to rotate, thereby automatically driving the brazed aluminum alloy honeycomb panels to move out of the fixture to achieve automatic unloading.

[0022] (3) Beneficial effects

[0023] The present invention provides an aluminum alloy honeycomb panel brazing fixture and processing method, which has the following beneficial effects:

[0024] 1. The aluminum alloy honeycomb panel brazing fixture and processing method of the present invention, through the provision of an adjustable clamping mechanism, the threaded sleeve rotates to drive the circular ring to move up and down, thereby simultaneously driving the four cross rods to move horizontally through the four connecting rods, thereby realizing the opening and closing of the four cross rods, thereby changing the area occupied by the four cross rods, and thus being able to adjust according to the size of the aluminum alloy honeycomb panel, so that the cross bracket and the cross rods can fully compress the aluminum alloy honeycomb panel, not only achieving sufficient clamping of the aluminum alloy honeycomb panel, but also reducing the contact area with the surface of the aluminum alloy honeycomb panel, thereby reducing the indentation left during brazing, thereby improving product quality and improving the practicality of the fixture.

[0025] 2. The aluminum alloy honeycomb panel brazing fixture and processing method of the present invention are provided with an L-shaped plate, a clamping mechanism, a first rotating shaft, a ratchet mechanism, a transmission mechanism and a support roller. When the L-shaped plate is opened outward clockwise, the ratchet mechanism will operate, thereby driving the transmission mechanism to operate, thereby driving the support roller to rotate, thereby driving the brazed aluminum alloy honeycomb panel on the support roller to automatically move out, thereby achieving rapid opening and automatic unloading, thereby facilitating use and improving work efficiency. When the L-shaped plate rotates inward counterclockwise, the ratchet mechanism will not operate, thereby not driving the transmission mechanism to operate, and the aluminum alloy honeycomb panel placed on the support roller will not move, thereby improving the fixing effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 A perspective view of the present invention;

[0027] Figure 2 It is a schematic diagram of the overall structure of the present invention;

[0028] Figure 3 For the present invention Figure 2 Enlarged view of point A in the middle;

[0029] Figure 4 It is a schematic diagram of half of the structure of the ratchet mechanism of the present invention;

[0030] Figure 5 A top view of the base of the present invention;

[0031] Figure 6 For the present invention Figure 5 Enlarged view of point B in the middle;

[0032] Figure 7 A perspective view of a vertical rod of the present invention;

[0033] Figure 8 It is a three-dimensional diagram of the card block of the present invention.

[0034] Among them, 1. base; 2. first support plate; 3. L-shaped plate; 4. groove; 5. support roller; 6. first rotating shaft; 7. vertical rod; 8. locking nut; 9. empty slot; 10. spring; 11. clamping block; 12. clamping groove; 13. push rod; 14. inclined slot; 15. push plate; 16. second support plate; 17. rotating tube; 18. rotating wheel; 19. ratchet; 20. turntable; 21. clamping tooth; 22. elastic sheet; 23. third support plate; 24. second rotating shaft; 25. first worm; 26. second worm gear; 27. first worm gear; 28. second worm; 29. ​​cross bracket; 30. cross slot; 31. cross rod; 32. connecting rod; 33. threaded sleeve; 34. ring; 35. adjusting nut; 36. support block. DETAILED DESCRIPTION

[0035] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0036] Example 1:

[0037] like Figure 1-8 As shown, the embodiment of the present invention provides an aluminum alloy honeycomb panel brazing fixture, including a base 1, a first support plate 2 is symmetrically fixedly connected to one side of the upper surface of the base 1, and an L-shaped plate 3 is rotatably connected between the two first support plates 2. The base 1 is provided with a clamping mechanism that cooperates with the L-shaped plate 3 inside the upper surface of the base 1, a groove 4 is opened, and the interior of the groove 4 is sequentially penetrated by a plurality of support rollers 5 that are rotatably connected, the outer surface of the L-shaped plate 3 is penetrated by a first rotating shaft 6 and fixedly connected, one end of the first rotating shaft 6 is fixedly connected to a ratchet mechanism, and a transmission mechanism is provided between the ratchet mechanism and the plurality of support rollers 5, the top end of the L-shaped plate 3 is penetrated by a vertical rod 7 that is slidably connected, the outer surface of the vertical rod 7 is threadedly connected to a locking nut 8, the bottom end of the locking nut 8 is rotatably connected to the upper surface of the L-shaped plate 3, and the bottom end of the vertical rod 7 is installed with an adjustable pressing mechanism, and the locking nut 8 rotates to drive the vertical rod 7 to move downward through the thread, thereby driving the cross bracket 29 and the cross rod 31 to move downward, thereby pressing the aluminum alloy honeycomb panel to prevent movement during brazing.

[0038] The clamping mechanism includes an empty slot 9 provided on the upper surface of the base 1, a spring 10 is fixedly connected to the bottom of the empty slot 9, a clamping block 11 is fixedly connected to the top of the spring 10, a clamping slot 12 is provided on the outer surface of the L-shaped plate 3 that cooperates with the clamping block 11, a push rod 13 is slidably connected to one side of the outer surface of the base 1, and an oblique groove 14 is provided on the outer surface of the clamping block 11 that cooperates with the push rod 13, and one end of the push rod 13 is fixedly connected to a push plate 15, which pushes the push plate 15. When the push plate 15 moves, the push rod 13 moves. At this time, one end of the push rod 13 is in contact with the oblique groove inside the clamping block 11. The grooves 14 come into contact and begin to squeeze the block 11, so that the block 11 moves downward, so that the block 11 can be moved out of the slot 12. At this time, the L-shaped plate 3 can be released from the restriction, and then the L-shaped plate 3 can be rotated to open the clamp. When the L-shaped plate 3 is rotated to its original position, the spring 10 will automatically drive the block 11 to reset, so that the block 11 is automatically stuck in the slot 12, so that the L-shaped plate 3 can be restricted, avoiding the L-shaped plate 3 from rotating when the aluminum alloy honeycomb panel is brazed, thereby making the clamp more stable when used.

[0039] The ratchet mechanism includes a second support plate 16 fixedly mounted on the upper surface of the base 1, and the outer surface of the second support plate 16 is rotatably connected to a rotating tube 17, one end of the rotating tube 17 is fixedly connected to a rotating wheel 18, and the inner wall of the rotating wheel 18 is fixedly connected to a plurality of ratchet teeth 19 in sequence. One end of the first rotating shaft 6 passes through the rotating tube 17 and extends to the inside of the rotating wheel 18 and is fixedly connected to a turntable 20. The outer surface of the turntable 20 is rotatably connected to a latch tooth 21 that cooperates with the ratchet teeth 19, and an elastic sheet 22 is fixedly connected between the latch tooth 21 and the outer surface of the turntable 20. When the L-shaped plate 3 is opened outward clockwise, the rotation of the L-shaped plate 3 will drive the first rotating shaft 6 to rotate clockwise, and at this time, under the action of the elastic sheet 22, the latch tooth 21 is pushed to engage with the ratchet teeth 19, and when the first rotating shaft 6 rotates, it will drive the turntable. When the first shaft 6 rotates and drives the turntable 20 and the latch gear 21 to rotate, the latch gear 21 will not engage with the ratchet gear 19. Therefore, when the latch gear 21 rotates, the ratchet gear 19 and the runner 18 will be driven to rotate at the same time, that is, the second worm gear 28 fixedly connected to the runner 18 will be driven to rotate at the same time, thereby driving the transmission mechanism to operate. When the L-shaped plate 3 rotates inwardly counterclockwise, the rotation of the L-shaped plate 3 will drive the first rotating shaft 6 to rotate clockwise. At this time, since the shape of the latch gear 21 is an arc, the latch gear 21 will not engage with the ratchet gear 19. Therefore, when the first rotating shaft 6 rotates and drives the turntable 20 and the latch gear 21 to rotate, it will not drive the ratchet gear 19 and the runner 18 to rotate accordingly. Therefore, the second worm gear 28 connected to the runner 18 will not rotate, and the transmission mechanism will not operate.

[0040] The transmission mechanism includes a third support plate 23 fixedly connected to one side of the outer surface of the base 1, and the outer surface of the third support plate 23 is rotatably connected to the second shaft 24. The outer surface of the second shaft 24 is fixedly sleeved with a first worm 25 and a second worm wheel 26 in sequence. One end of the support roller 5 is fixedly connected to a first worm wheel 27 meshing with the first worm 25, and the outer surface of the rotating wheel 18 is fixedly connected to a second worm 28 meshing with the second worm wheel 26. When the L-shaped plate 3 rotates clockwise, the ratchet mechanism is operated, which drives the second worm 28 to rotate. The rotation of the second worm 28 will drive the second worm gear 26 meshing with the second worm 28 to rotate, and the rotation of the second worm gear 26 will drive the second rotating shaft 24 to rotate accordingly. When the second rotating shaft 24 rotates, it will drive the first worm 25 to rotate. The rotation of the first worm 25 will simultaneously drive multiple first worm gears 27 to rotate. When multiple first worm gears 27 rotate, they will simultaneously drive multiple supporting rollers 5 to rotate, thereby automatically driving the brazed aluminum alloy honeycomb panel to move, so that the brazed aluminum alloy honeycomb panel is automatically removed from the fixture, thereby realizing automatic unloading.

[0041] When the cam 33 is in the unlock state, the cam 33 is in the unlock state, and the cam 33 is in the unlock state, so that the cam 33 is locked and the cam 33 is unlocked. When one end of the cross rod 31 moves up and down, the cross rod 31 will move horizontally, thereby realizing the opening and closing of the four cross rods 31, thereby changing the area occupied by the four cross rods 31, so that it can be adjusted according to the size of the aluminum alloy honeycomb panel, so that the cross bracket 29 and the cross rod 31 can fully press the aluminum alloy honeycomb panel, thereby improving the effect of subsequent brazing, and when in use, the thickness of the cross rod 31 is set to be consistent with the thickness of the cross bracket 29, so that the bottom of the cross rod 31 is flush with the bottom of the cross bracket 29, thereby avoiding the cross bracket 29 and the cross rod 31 from squeezing the surface of the aluminum alloy honeycomb panel unevenly, thereby further improving the brazing effect, and clamping the aluminum alloy honeycomb panel by the cross bracket 29 and the cross rod 31 can not only achieve full clamping of the aluminum alloy honeycomb panel, but also reduce the contact area with the surface of the aluminum alloy honeycomb panel, thereby reducing the indentation left during brazing, thereby improving product quality.

[0042] The outer surface of the threaded sleeve 33 is fixed with an adjusting nut 35, which is located at the top of the threaded sleeve 33. The adjusting nut 35 is fixedly connected to the threaded sleeve 33, so when the adjusting nut 35 is rotated, the threaded sleeve 33 can be driven to rotate. The adjusting nut 35 is set to a conventional six-sided shape, which is convenient for operation with conventional wrenches and other tools, facilitating the overall use of the clamp and easy operation.

[0043] The vertical rod 7 is in the shape of a rectangular rod, and circular arc surfaces are provided on all sides of the vertical rod 7. The circular arc surfaces are provided with threads that cooperate with the locking nut 8 and the threaded sleeve 33. Setting the vertical rod 7 into the shape of a rectangular rod not only allows the vertical rod 7 to slide up and down on the L-shaped plate 3, but also because the vertical rod 7 is in the shape of a rectangular rod, the vertical rod 7 will not rotate while sliding up and down, so that the cross bracket 29 and the cross rod 31 can move up and down smoothly. Circular arc surfaces are provided on all sides of the vertical rod 7, and threads that cooperate with the locking nut 8 and the threaded sleeve 33 are provided on the circular arc surfaces. Not only can the vertical rod 7 be driven up and down smoothly when the locking nut 8 is rotated, but also when the threaded sleeve 33 is rotated, the threaded sleeve 33 can also be moved up and down through the corresponding threads, thereby realizing the adjustment of the adjustable clamping mechanism.

[0044] The top end of the support roller 5 extends to the top of the base 1, and the lower surface of the base 1 is fixedly connected with support blocks 36 on all sides, and the lower surface of the base 1 is provided with a plurality of through holes connected to the groove 4. The base 1 can be lifted by the provided support blocks 36, thereby supporting the base 1 and improving the overall stability of the clamp. The provided through holes facilitate the connection between the bottom of the groove 4 and the outside of the base 1, so that heat can be evenly transferred, thereby facilitating subsequent heating and heat dissipation operations, thereby improving the brazing effect of the aluminum alloy honeycomb panel, and thus improving the product quality of the aluminum alloy honeycomb panel.

[0045] Example 2:

[0046] A processing method comprising the following steps:

[0047] S1. Push the push plate 15. The push plate 15 moves and drives the push rod 13 to push the card block 11 so that the card block 11 moves out of the card slot 12. Then rotate the L-shaped plate 3. The card block 11 moves out of the card slot 12. At this time, the restriction on the L-shaped plate 3 is released, and then the L-shaped plate 3 can be rotated clockwise.

[0048] S2. Place the bottom plate, honeycomb core, and top plate of the aluminum alloy honeycomb panel on the support roller 5 in sequence, and then rotate the L-shaped panel 3 counterclockwise. At this time, the spring 10 automatically drives the clamping block 11 into the clamping slot 12 to clamp and support the L-shaped panel 3;

[0049] S3. The adjusting nut 35 is rotated according to the area of ​​the aluminum alloy honeycomb panel. The rotation of the adjusting nut 35 drives the threaded sleeve 33 to rotate, thereby driving the threaded sleeve 33 and the ring 34 to move up and down through the thread. Then, under the action of the connecting rod 32, the four cross rods 31 are driven to move relative to each other, thereby changing the length of the four cross rods 31 so that the four cross rods 31 can match the area of ​​the aluminum alloy honeycomb panel. The aluminum alloy honeycomb panel is clamped by the cross bracket 29 and the cross rod 31, which not only achieves sufficient clamping of the aluminum alloy honeycomb panel, but also reduces the contact area with the surface of the aluminum alloy honeycomb panel, thereby reducing the indentation left during brazing, thereby improving product quality.

[0050] S4. After the adjustment is completed, the locking nut 8 is rotated. The locking nut 8 rotates and drives the vertical rod 7 downward through the thread, thereby driving the cross bracket 29 and the cross rod 31 to move downward, thereby pressing the aluminum alloy honeycomb panel to prevent movement during brazing;

[0051] S5. Place the clamped aluminum alloy honeycomb panel in a brazing furnace for brazing. After brazing is completed, cool it down and take it out. Then, loosen the locking nut 8 in the reverse direction, and then push the push plate 15 to move the clamping block 11 out of the clamping slot 12 and rotate the L-shaped plate 3 clockwise. The clockwise rotation of the L-shaped plate 3 drives the first rotating shaft 6 to rotate. At this time, the ratchet mechanism will operate, and when the first rotating shaft 6 rotates, it will drive the turntable 20 and the locking teeth 21 to rotate, and then drive the ratchet 19 to rotate, thereby driving the rotating wheel 18, and at this time, it will drive the second worm 28 in the transmission mechanism to rotate;

[0052] S6, the second worm 28 rotates to drive the second rotating shaft 24 and the first worm 25 to rotate, thereby simultaneously driving the multiple first worm wheels 27 and the support roller 5 to rotate, thereby automatically driving the brazed aluminum alloy honeycomb panel to move out of the fixture to achieve automatic unloading.

[0053] It should be noted that, in this document, relational terms such as first and second are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprise," "include," or any other variations thereof are intended to encompass non-exclusive inclusion, such that a process, method, article, or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article, or device. Without further limitation, an element defined by the phrase "comprising a reference structure" does not exclude the presence of other identical elements in the process, method, article, or device comprising the element. Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. Aluminum alloy honeycomb panel brazing fixture, comprising a base (1), characterized in that: The upper surface of the base (1) is symmetrically fixedly connected with a first support plate (2), and an L-shaped plate (3) is rotatably connected between the two first support plates (2). The base (1) is provided with a clamping mechanism that matches the L-shaped plate (3) inside. The upper surface of the base (1) is provided with a groove (4), and the interior of the groove (4) is sequentially penetrated and rotatably connected with a plurality of support rollers (5). The outer surface of the L-shaped plate (3) is penetrated and fixedly connected with a first rotating shaft (6), one end of the first rotating shaft (6) is fixedly connected with a ratchet mechanism, and a transmission mechanism is provided between the ratchet mechanism and the plurality of support rollers (5). The top end of the L-shaped plate (3) is penetrated and slidably connected with a vertical rod (7), the outer surface of the vertical rod (7) is threadedly connected with a locking nut (8), the bottom end of the locking nut (8) is rotatably connected to the upper surface of the L-shaped plate (3), and the bottom end of the vertical rod (7) is installed with an adjustable pressing mechanism. The clamping mechanism comprises a slot (9) provided on the upper surface of the base (1), a spring (10) being fixedly connected to the bottom of the slot (9), a clamping block (11) being fixedly connected to the top of the spring (10), a slot (12) being provided on the outer surface of the L-shaped plate (3) and being matched with the clamping block (11), a push rod (13) being slidably connected to one side of the outer surface of the base (1), an oblique slot (14) being provided on the outer surface of the clamping block (11) and being matched with the push rod (13), and a push plate (15) being fixedly connected to one end of the push rod (13); The ratchet mechanism comprises a second support plate (16) fixedly mounted on the upper surface of the base (1); the outer surface of the second support plate (16) is rotatably connected to a rotating tube (17); one end of the rotating tube (17) is fixedly connected to a rotating wheel (18); the inner wall of the rotating wheel (18) is sequentially fixedly connected to a plurality of ratchet teeth (19); one end of the first rotating shaft (6) is rotatably connected to the rotating tube (17) and extends to the inside of the rotating wheel (18) and is fixedly connected to a rotating disk (20); the outer surface of the rotating disk (20) is rotatably connected to a latch tooth (21) that matches the ratchet tooth (19); an elastic sheet (22) is fixedly connected between the latch tooth (21) and the outer surface of the rotating disk (20); The transmission mechanism comprises a third support plate (23) fixedly connected to one side of the outer surface of the base (1); a second rotating shaft (24) is rotatably connected to the outer surface of the third support plate (23); a first worm (25) and a second worm wheel (26) are fixedly sleeved on the outer surface of the second rotating shaft (24); one end of the support roller (5) is fixedly connected to a first worm wheel (27) meshing with the first worm (25); and the outer surface of the rotating wheel (18) is fixedly connected to a second worm (28) meshing with the second worm wheel (26); The adjustable pressing mechanism includes a cross bracket (29) fixedly connected to the bottom end of the vertical rod (7), a cross slot (30) is provided on the outer surface of each end of the cross bracket (29), a cross rod (31) is slidably connected inside the cross slot (30), a connecting rod (32) is rotatably connected to the upper surface of one end of the cross rod (31), a threaded sleeve (33) is threadedly connected to the outer surface of the vertical rod (7), a ring (34) is rotatably connected to the outer surface of the threaded sleeve (33), and one end of the connecting rod (32) is rotatably connected to the outer surface of the ring (34); An adjusting nut (35) is fixedly mounted on the outer surface of the threaded sleeve (33), and the adjusting nut (35) is located on the top of the threaded sleeve (33); The vertical rod (7) is in the shape of a rectangular rod, and arc surfaces are provided on all four sides of the vertical rod (7), and threads are provided on the arc surfaces to match the locking nut (8) and the threaded sleeve (33).

2. The aluminum alloy honeycomb panel brazing fixture according to claim 1, characterized in that: The top end of the support roller (5) extends to the top of the base (1), the lower surface of the base (1) is fixedly connected with support blocks (36) on all sides, and the lower surface of the base (1) is provided with a plurality of through holes connected to the groove (4).

3. A processing method, characterized in that: The aluminum alloy honeycomb panel brazing fixture according to claim 1 includes the following steps: S1, push the push plate (15), the push plate (15) moves to drive the push rod (13) to push the card block (11) so that the card block (11) moves out of the card slot (12), and then rotate the L-shaped plate (3); S2. Place the bottom plate, honeycomb core and top plate of the aluminum alloy honeycomb panel on the supporting roller (5) in sequence, and then rotate the L-shaped panel (3). At this time, the spring (10) automatically drives the clamping block (11) into the clamping groove (12) to clamp and support the L-shaped panel (3); S3. The adjusting nut (35) is rotated according to the area of ​​the aluminum alloy honeycomb panel. The adjusting nut (35) rotates to drive the threaded sleeve (33) to rotate, thereby driving the threaded sleeve (33) and the ring (34) to move up and down through the thread, and then driving the four cross rods (31) to move relative to each other under the action of the connecting rod (32), thereby changing the length of the four cross rods (31) so that the four cross rods (31) can match the area of ​​the aluminum alloy honeycomb panel; S4. After the adjustment is completed, the locking nut (8) is rotated. The locking nut (8) rotates through the thread to drive the vertical rod (7) to move downward, thereby driving the cross bracket (29) and the cross rod (31) to move downward, thereby pressing the aluminum alloy honeycomb panel to prevent movement during brazing; S5. Place the clamped aluminum alloy honeycomb panel in a brazing furnace for brazing. After brazing is completed, cool and remove the panel. Then, loosen the locking nut (8) in the reverse direction, and push the push plate (15) to move the clamping block (11) out of the clamping slot (12) and rotate the L-shaped plate (3). The rotation of the L-shaped plate (3) drives the first rotating shaft (6) to rotate, and then drives the rotating disk (20) and the clamping teeth (21) to rotate, thereby driving the rotating wheel (18) and the second worm (28) to rotate through the ratchet (19); S6, the second worm (28) rotates to drive the second rotating shaft (24) and the first worm (25) to rotate, thereby simultaneously driving the plurality of first worm wheels (27) and the support roller (5) to rotate, thereby automatically driving the brazed aluminum alloy honeycomb panels to move out of the fixture, thereby realizing automatic unloading.

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