Destressing device and method for aluminum alloy plate

Abstract

The invention relates to the technical field of aluminum alloy processing, in particular to a destressing device for an aluminum alloy plate, which comprises an annealing box, a mounting vertical plate is fixedly arranged at the upper end of the annealing box, an electric telescopic rod is fixedly mounted on the mounting vertical plate, and matched connecting grooves are symmetrically formed in the upper end of the annealing box. The invention further relates to a stress relief method, the stress relief method comprises the following steps that firstly, an aluminum alloy plate is placed; secondly, the aluminum alloy plate is clamped and fixed; thirdly, the aluminum alloy plate is cleaned; and 4, heating and destressing the aluminum alloy plate.

Description

Technical Field

[0001] The invention relates to the technical field of aluminum alloy processing, and in particular to a stress relief device and method for an aluminum alloy plate. Background Art

[0002] Aluminum alloy plate is a plate widely used in various industrial fields. It needs to be manufactured through processing techniques such as smelting, casting, plastic processing and surface treatment. After the aluminum alloy plate is manufactured, there will be stress inside it, and the stress needs to be removed to ensure the safety and stability of the aluminum alloy plate during later use. The aluminum alloy plate is usually stress-removed by heat treatment, that is, by heating the aluminum alloy plate to a certain temperature and then slowly cooling it, the residual stress inside the material can be eliminated. When the aluminum alloy plate is stress-removed by a stress relief device, the impurities on its surface need to be cleaned up. This step needs to be done manually, and the operation is more cumbersome and not convenient enough. It is not convenient to take and place the aluminum alloy plate inside the stress relief device, and the aluminum alloy plate cannot be quickly fixed and released. Summary of the invention

[0003] The object of the present invention is to provide a stress relief device and method for aluminum alloy plates to solve the problems raised in the above background technology.

[0004] To achieve the above object, the present invention provides the following technical solutions:

[0005] A stress relief device for aluminum alloy plates, comprising an annealing box, wherein a mounting vertical plate is fixedly arranged at the upper end of the annealing box, an electric telescopic rod is fixedly arranged on the mounting vertical plate, a matching connecting groove is symmetrically provided at the upper end of the annealing box, and connecting slide grooves are symmetrically provided on both sides of the annealing box, a bearing matching plate is symmetrically fixedly provided on both sides of the box opening of the annealing box, a limited position plug hole is provided on the bearing matching plate, and there are two bearing matching plates on each side, which are arranged up and down, a supporting sliding rod is symmetrically fixedly provided inside the annealing box, and connecting through holes are symmetrically provided on the box walls on both sides of the annealing box, and the lower part of the connecting through holes A matching connecting plate is fixedly provided on the box wall on the side, and a driving oblique slide is provided on the matching connecting plate. A movable box plate is fixedly installed on the electric telescopic rod, and a mounting connecting plate is fixedly provided on the upper end of the movable box plate. The mounting connecting plate is fixedly connected to the electric telescopic rod, and matching slides are symmetrically fixedly provided on both sides of the movable box plate, and the matching slides are inserted in the connecting slide grooves, and a first connecting driving rod is hinged on the inner end surface of the movable box plate, and the first connecting driving rod passes through the matching connecting groove when the annealing box is in an open state. A plate body convenient cleaning and fixing mechanism is provided on the annealing box.

[0006] Preferably, the convenient cleaning mechanism of the plate body includes a support frame, a support carrier, a movable strip, a movable carrier, a hollow carrier plate and a second clamping strip, a connecting frame is fixedly arranged on the support frame, the connecting frame is hinged to the lower end of the first connecting driving rod, and support sliding holes are symmetrically opened on both sides of the support frame, the support sliding holes pass through the connecting frame, and a support sliding rod is inserted in the support sliding hole.

[0007] Preferably, load-bearing connecting columns are symmetrically fixed on both sides of the support frame, a load-bearing slat is fixedly provided on the end of the load-bearing connecting column away from the support frame, mounting connecting holes are provided on the load-bearing slat, connecting grooves are symmetrically provided on the upper ends of both sides of the support frame, and matching sockets are symmetrically provided at both ends of the support frame, and support carriers are respectively installed on both sides of the support frame.

[0008] Preferably, the support carrier is located at the lower side of the support frame, and a matching mounting plate is fixedly provided on the support carrier, a movable connecting hole is opened on the matching mounting plate, a load-bearing connecting column is inserted into the movable connecting hole, and a slope driving frame is symmetrically fixedly provided on the matching mounting plate.

[0009] Preferably, a bending carrier plate is fixedly provided on the mating mounting plate on the upper side of the inclined driving frame, a mating connecting column is fixedly provided on the lower side of one end of the bending carrier plate away from the mating mounting plate, the mating connecting column is inserted into the driving inclined slide, and a driving mating block is fixedly provided on the upper side of one end of the bending carrier plate away from the mating mounting plate, and the driving mating block is connected with a movable bar.

[0010] Preferably, there are two movable bars, which are respectively installed on both sides of the interior of the annealing box, and a connecting slide is provided at the lower end of the movable bar, in which a driving matching block is inserted, and a connecting rod is fixedly provided on one side of the movable bar, the connecting rod is inserted in the connecting through hole, and a connecting plate is fixedly provided on the end of the connecting rod away from the movable bar, the connecting plate is located on the outside of the annealing box, and a second connecting driving rod is symmetrically hinged at the upper and lower ends of the end of the connecting plate away from the connecting rod, and the other end of the second connecting driving rod is hinged to a movable carrier plate.

[0011] Preferably, there are two movable carrier plates, which are symmetrically arranged on the upper and lower sides of the support frame, and limit matching rods are fixedly arranged at both ends of the movable carrier plates. The limit matching rod on the upper side of the support frame is inserted into the limit socket on the upper side of the support frame, and the limit matching rod on the lower side of the support frame is inserted into the limit socket on the lower side of the support frame.

[0012] Preferably, a mounting sleeve is fixedly provided on the movable carrier plate, a limiting slide groove is symmetrically provided inside the mounting sleeve, and a sponge wiping strip is installed on the mounting sleeve, a plug-in strip block is provided on the sponge wiping strip, the plug-in strip block is plugged into the mounting sleeve, and limiting slide bars are symmetrically provided on the plug-in strip block, and the limiting slide bars are plugged into the limiting slide groove.

[0013] Preferably, hollow supporting plates are symmetrically installed at both ends of the support frame, and matching connecting rods are fixedly arranged on the hollow supporting plate, and the matching connecting rods are inserted in the matching plug holes, and a first clamping strip is fixedly arranged on the end of the matching connecting rod away from the hollow supporting plate, and the first clamping strip is located on the inner side of the support frame, and connecting supporting plates are symmetrically fixedly arranged on the upper sides of the two ends of the hollow supporting plate, matching contact columns are fixedly arranged on the connecting supporting plate, and matching plug-in rods are fixedly arranged on the hollow supporting plate on the lower side of the connecting supporting plate, and the matching plug-in rods are inserted in the installation connecting holes, and a connecting spring is sleeved on the matching plug-in rod, and a third connecting driving rod is symmetrically hinged at two ends of the hollow supporting plate, and the other end of the third connecting driving rod is hinged with a second clamping strip, and there are two second clamping strips, which are symmetrically installed on both sides of the interior of the support frame, and a plug-in connecting strip is fixedly arranged on the second clamping strip, and the plug-in connecting strip is hinged with the third connecting driving rod.

[0014] A stress relief method comprises the following steps:

[0015] Step 1: Placing the aluminum alloy plate: placing the aluminum alloy plate in the support frame and supporting it through the support carrier;

[0016] Step 2: Clamping and fixing the aluminum alloy plate: Start the electric telescopic rod to drive the movable box plate to move downward to close the annealing box, and at the same time push the support frame into the annealing box, and clamp the aluminum alloy plate with the first clamping strip and the second clamping strip;

[0017] Step 3: Cleaning of aluminum alloy plate: When the aluminum alloy plate is moved in the annealing box, its surface is wiped and cleaned by the sponge wiping strip;

[0018] Step 4: Heating and stress relief of aluminum alloy plate: After the aluminum alloy plate enters the annealing box, the annealing box slowly increases the temperature to slowly heat the aluminum alloy plate. After heating to the annealing temperature, it is kept for a period of time to remove stress.

[0019] Compared with the prior art, the invention has the following advantages:

[0020] 1. When performing stress relief operation on the aluminum alloy plate, place it in the support frame, support it through the support carrier, and then start the electric telescopic rod to drive the movable box plate to move downward, which can drive the support frame to move, thereby driving the aluminum alloy plate to move into the annealing box. With the movement of the support frame, the surface of the aluminum alloy plate can be automatically cleaned, and the aluminum alloy plate can be automatically clamped and fixed. After the stress relief is completed, the aluminum alloy plate can be released as it is moved out, and it is very convenient to take and put the aluminum alloy plate outside the annealing box.

[0021] 2. When the support frame moves into the annealing box, it will drive the support carrier so that it is no longer supported under the aluminum alloy plate. As the support carrier moves, it will drive the hollow carrier plate to move, so that the first clamping strip on the hollow carrier plate contacts the aluminum alloy plate to clamp it, and the movement of the hollow carrier plate will also drive the second clamping strip to move and clamp the aluminum alloy plate. In this way, the aluminum alloy plate can be clamped from the side to achieve fixed support of the aluminum alloy plate.

[0022] 3. In addition, when the supporting carrier moves, it will drive the movable bar to move. As the movable bar moves, it will drive the two movable carriers on the annealing box to move, so that the sponge wiping strips on the movable carriers are respectively in contact with the upper and lower end surfaces of the aluminum alloy plate. In this way, the surface of the aluminum alloy plate can be wiped by the sponge wiping strips during the movement, thereby cleaning the dust and impurities on the surface of the aluminum alloy plate without manual cleaning, freeing up manpower and improving the efficiency of cleaning the surface of the aluminum alloy plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 A first-person view of the annealing box assembly.

[0024] Figure 2 A second perspective diagram of the annealing box assembly.

[0025] Figure 3 It is a schematic diagram of the structure of the annealing box.

[0026] Figure 4 A first-person perspective schematic diagram of the assembly of the fixing mechanism and the movable box plate for convenient cleaning of the plate body.

[0027] Figure 5 A second perspective schematic diagram of the assembly of the fixing mechanism and the movable box plate for convenient cleaning of the plate body.

[0028] Figure 6 A first-person perspective diagram of the support frame assembly.

[0029] Figure 7 A second-view diagram of the support frame assembly.

[0030] Figure 8 for Figure 7 A magnified schematic diagram of point B in the middle.

[0031] Fig. 9 A schematic diagram of the structure of the support frame.

[0032] Fig.10 It is a schematic diagram of the assembly of the support plate and the movable strip.

[0033] Fig.11 This is an exploded schematic diagram of the assembly of the movable bar and the movable carrier plate.

[0034] Fig.12 for Fig.11 A magnified schematic diagram of point B in the middle.

[0035] In the figure: 1, annealing box; 11, installation vertical plate; 12, electric telescopic rod; 13, matching connection groove; 14, limit slide groove; 15, bearing matching plate; 16, limit socket; 17, support sliding rod; 18, connection through hole; 19, matching connection plate; 191, driving oblique slide; 2, movable box plate; 21, installation connecting plate; 22, matching slide; 23, first connecting driving rod; 3, support frame; 31, connection frame; 32, support slide hole; 33, bearing connection column; 34, bearing plate strip; 35, installation connection hole; 36, connection groove; 37, matching socket; 4, support carrier plate; 41, matching installation plate; 42, movable connection hole; 43, oblique Surface drive frame; 44, bending carrier plate; 45, matching connecting column; 46, driving matching block; 5, movable strip block; 51, connecting slideway; 52, connecting plug rod; 53, connecting strip; 54, second connecting drive rod; 6, movable carrier plate; 60, limiting matching rod; 61, installing bearing sleeve; 62, limiting slide groove; 63, sponge wiping strip; 64, plug-in strip block; 65, limiting slide; 7, hollow carrier plate; 71, matching connecting rod; 72, first clamping strip; 73, connecting carrier plate; 74, matching contact column; 75, matching plug-in rod; 76, connecting spring; 77, third connecting drive rod; 8, second clamping strip; 81, plug-in connecting strip. DETAILED DESCRIPTION

[0036] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. 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 creative work are within the scope of protection of the present invention.

[0037] See also Figures 1 to 12 , the present invention provides a technical solution:

[0038] A stress relief device for an aluminum alloy plate comprises an annealing box 1, wherein a mounting vertical plate 11 is fixedly arranged at the upper end of the annealing box 1, an electric telescopic rod 12 is fixedly arranged on the mounting vertical plate 11, a matching connection groove 13 is symmetrically provided at the upper end of the annealing box 1, and connecting slide grooves 14 are symmetrically provided on both sides of the annealing box 1, a bearing matching plate 15 is symmetrically fixedly provided on both sides of the box opening of the annealing box 1, and a limited position plug hole 16 is provided on the bearing matching plate 15, and there are two bearing matching plates 15 on each side, which are arranged up and down, a supporting sliding rod 17 is symmetrically fixedly provided inside the annealing box 1, and connecting through holes 18 are symmetrically provided on the box walls on both sides of the annealing box 1, and the lower side of the connecting through holes 18 A matching connecting plate 19 is fixedly provided on the box wall, and a driving oblique slide 191 is provided on the matching connecting plate 19. A movable box plate 2 is fixedly installed on the electric telescopic rod 12. A mounting connecting plate 21 is fixedly provided on the upper end of the movable box plate 2. The mounting connecting plate 21 is fixedly connected to the electric telescopic rod 12, and matching slides 22 are symmetrically fixedly provided on both sides of the movable box plate 2. The matching slides 22 are inserted in the connecting slide grooves 14, and a first connecting driving rod 23 is hinged on the inner end surface of the movable box plate 2. The first connecting driving rod 23 passes through the matching connecting groove 13 when the annealing box 1 is in an open state. A plate body convenient cleaning and fixing mechanism is provided on the annealing box 1.

[0039] The convenient plate cleaning mechanism includes a support frame 3, a support carrier plate 4, a movable bar block 5, a movable carrier plate 6, a hollow carrier plate 7 and a second clamping strip 8. A connecting frame 31 is fixedly arranged on the support frame 3. The connecting frame 31 is hinged to the lower end of the first connecting driving rod 23. Support sliding holes 32 are symmetrically opened on both sides of the support frame 3. The support sliding holes 32 pass through the connecting frame 31, and the support sliding rod 17 is inserted into the support sliding holes 32. In addition, when the aluminum alloy plate is placed in the support frame 3, its upper and lower end surfaces protrude from the upper and lower sides of the support frame 3 respectively.

[0040] The two sides of the support frame 3 are symmetrically fixed with load-bearing connecting columns 33, and the end of the load-bearing connecting columns 33 away from the support frame 3 is fixed with a load-bearing strip 34, and the load-bearing strip 34 is provided with installation connection holes 35. The upper ends of both sides of the support frame 3 are symmetrically provided with connection grooves 36, and the two ends of the support frame 3 are symmetrically provided with matching sockets 37, and the two sides of the support frame 3 are respectively installed with support carriers 4.

[0041] The support carrier plate 4 is located at the lower side of the support frame 3, and a matching mounting plate 41 is fixedly provided on the support carrier plate 4, a movable connection hole 42 is opened on the matching mounting plate 41, a bearing connection column 33 is inserted in the movable connection hole 42, and a ramp driving frame 43 is symmetrically fixedly provided on the matching mounting plate 41.

[0042] A bending carrier plate 44 is fixedly provided on the matching mounting plate 41 on the upper side of the inclined driving frame 43, and a matching connecting column 45 is fixedly provided on the lower side of the end of the bending carrier plate 44 away from the matching mounting plate 41, and the matching connecting column 45 is inserted into the driving inclined slide 191, and a driving matching block 46 is fixedly provided on the upper side of the end of the bending carrier plate 44 away from the matching mounting plate 41, and the driving matching block 46 is connected to the movable bar 5, and the matching connecting column 45 is in contact with the inner wall of the driving inclined slide 191.

[0043] There are two movable bars 5, which are respectively installed on both sides of the interior of the annealing box 1, and a connecting slide 51 is opened at the lower end of the movable bar 5, a driving matching block 46 is inserted in the connecting slide 51, and the driving matching block 46 is in contact with the inner wall of the connecting slide 51, a connecting rod 52 is fixedly provided on one side of the movable bar 5, the connecting rod 52 is inserted in the connecting through hole 18, and a connecting strip 53 is fixedly provided on the end of the connecting rod 52 away from the movable bar 5, the connecting strip 53 is located on the outside of the annealing box 1, and a second connecting drive rod 54 is symmetrically hinged at the upper and lower ends of the end of the connecting strip 53 away from the connecting rod 52, and the other end of the second connecting drive rod 54 is hinged to a movable carrier plate 6.

[0044] There are two movable carrier plates 6, which are symmetrically arranged on the upper and lower sides of the support frame 3, and the two ends of the movable carrier plates 6 are respectively fixed with limit matching rods 60. The limit matching rod 60 on the upper side of the support frame 3 is inserted into the limit socket 16 on the upper side of the support frame 3, and the limit matching rod 60 on the lower side of the support frame 3 is inserted into the limit socket 16 on the lower side of the support frame 3.

[0045] A mounting sleeve 61 is fixedly provided on the movable carrier plate 6, and a limiting slide groove 62 is symmetrically provided inside the mounting sleeve 61, and a sponge wiping strip 63 is installed on the mounting sleeve 61, and a plug-in strip block 64 is provided on the sponge wiping strip 63, and the plug-in strip block 64 is plugged into the mounting sleeve 61, and a limiting slide bar 65 is symmetrically provided on the plug-in strip block 64, and the limiting slide bar 65 is plugged into the limiting slide groove 62.

[0046] Hollow bearing plates 7 are symmetrically installed at both ends of the support frame 3, and a matching connecting rod 71 is fixedly provided on the hollow bearing plate 7. The matching connecting rod 71 is inserted into the matching socket 37, and a first clamping strip 72 is fixedly provided on the end of the matching connecting rod 71 away from the hollow bearing plate 7. The first clamping strip 72 is located on the inner side of the support frame 3, and connecting bearing plates 73 are symmetrically fixedly provided on the upper sides of the two ends of the hollow bearing plate 7. Matching contact columns 74 are fixedly provided on the connecting bearing plates 73, and matching plug-in rods 75 are fixedly provided on the hollow bearing plate 7 on the lower side of the connecting bearing plate 73. The mating plug-in rod 75 is inserted into the installation connection hole 35, and a connecting spring 76 is sleeved on the mating plug-in rod 75. The two ends of the hollow bearing plate 7 are symmetrically hinged with a third connecting drive rod 77, and the other end of the third connecting drive rod 77 is hinged with a second clamping strip 8. The second clamping strip 8 is two and symmetrically installed on both sides of the inner side of the support frame 3. A plug-in connecting strip 81 is fixedly provided on the second clamping strip 8, and the plug-in connecting strip 81 is hinged with the third connecting drive rod 77. In addition, the two ends of the connecting spring 76 are respectively fixed on the hollow bearing plate 7 and the bearing strip 34.

[0047] A stress relief method comprises the following steps:

[0048] Step 1: Placing the aluminum alloy plate: placing the aluminum alloy plate in the support frame 3 and supporting it through the support carrier 4;

[0049] Step 2: Clamping and fixing the aluminum alloy plate: Start the electric telescopic rod 12 to drive the movable box plate 2 to move downward to close the annealing box 1, and at the same time push the support frame 3 into the annealing box 1, and clamp and fix the aluminum alloy plate with the first clamping strip 72 and the second clamping strip 8;

[0050] Step 3: Cleaning the aluminum alloy plate: When the aluminum alloy plate is moved in the annealing box 1, its surface is wiped and cleaned by the sponge wiping strip 63;

[0051] Step 4: Heating the aluminum alloy plate to relieve stress: After the aluminum alloy plate enters the annealing box 1, the annealing box 1 slowly increases the temperature to slowly heat the aluminum alloy plate, and after heating to the annealing temperature, it is kept for a period of time to remove stress.

[0052] When stress removal of the aluminum alloy plate is being performed, it is placed in the support frame 3 and supported by the support carrier plate 4. Then, the electric telescopic rod 12 is started to drive the movable box plate 2 to move downward. As the movable box plate 2 moves downward, the support frame 3 will be driven to move into the annealing box 1 under the action of the first connecting drive rod 23. As the support frame 3 moves, the support carrier plate 4 will be driven to move in cooperation with the connecting column 45 and the driving inclined slide 191, so that it no longer supports the aluminum alloy plate. In this process, as the support carrier plate 4 moves, the two hollow bearing plates 7 will be driven to move under the action of the inclined plane driving frame 43, so that the two first clamping strips 72 clamp and support the aluminum alloy plate from both ends. As the hollow bearing plate 7 moves, the third connecting drive rod 77 will The second clamping strip 8 is driven to move so that it can clamp the aluminum alloy plate from both sides, and then the side of the aluminum alloy plate can be supported by the joint action of the first clamping strip 72 and the second clamping strip 8. Before the support carrier 4 is separated from the aluminum alloy plate, the first clamping strip 72 and the second clamping strip 8 complete the clamping and support of the aluminum alloy plate. In addition, with the movement of the support carrier 4, the movable strip block 5 will be driven to move under the action of the matching block 46. With the movement of the movable strip block 5, the movable carrier plate 6 will be driven to move toward the direction of the aluminum alloy plate under the action of the second connecting driving rod 54, so that the sponge wiping strip 63 is in contact with the surface of the aluminum alloy plate. With the movement of the support frame 3, the surface of the aluminum alloy plate is cleaned, which is very convenient and quick, and the sponge wiping strip 63 can be replaced.

[0053] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A stress relief device for an aluminum alloy plate, comprising an annealing box (1), characterized in that: The upper end of the annealing box (1) is fixedly provided with a mounting vertical plate (11), and an electric telescopic rod (12) is fixedly installed on the mounting vertical plate (11). The upper end of the annealing box (1) is symmetrically provided with a matching connection groove (13), and the two sides of the annealing box (1) are symmetrically provided with a connecting slide groove (14). The two sides of the box opening of the annealing box (1) are symmetrically fixedly provided with a bearing matching plate (15), and the bearing matching plate (15) is provided with a limited position insertion hole (16). There are two bearing matching plates (15) on each side, which are arranged up and down. The interior of the annealing box (1) is symmetrically fixedly provided with a supporting sliding rod (17), and the box walls on both sides of the annealing box (1) are symmetrically provided with connecting through holes (18), and the box wall below the connecting through holes (18) is fixedly provided with a matching connecting rod (17). A connecting plate (19) is provided on the matching connecting plate (19), a driving oblique slideway (191) is provided on the electric telescopic rod (12), a movable box plate (2) is fixedly installed on the electric telescopic rod (12), a mounting connecting plate (21) is fixedly provided on the upper end of the movable box plate (2), the mounting connecting plate (21) is fixedly connected to the electric telescopic rod (12), and matching slide bars (22) are symmetrically fixedly provided on both sides of the movable box plate (2), the matching slide bars (22) are inserted into the connecting slide groove (14), and a first connecting driving rod (23) is hinged on the inner end surface of the movable box plate (2), the first connecting driving rod (23) passes through the matching connecting groove (13) when the annealing box (1) is in an open state, and a plate body convenient cleaning fixing mechanism is provided on the annealing box (1).

2. A stress relief device for aluminum alloy plate according to claim 1, characterized in that: The plate body convenient cleaning mechanism comprises a support frame (3), a support carrier (4), a movable strip (5), a movable carrier (6), a hollow carrier plate (7) and a second clamping strip (8); a connecting frame (31) is fixedly arranged on the support frame (3); the connecting frame (31) is hinged to the lower end of the first connecting drive rod (23); support sliding holes (32) are symmetrically opened on both sides of the support frame (3); the support sliding holes (32) penetrate the connection frame (31), and a support sliding rod (17) is inserted into the support sliding hole (32).

3. A stress relief device for aluminum alloy plate according to claim 2, characterized in that: The two sides of the support frame (3) are symmetrically fixed with load-bearing connection columns (33), and the end of the load-bearing connection column (33) away from the support frame (3) is fixedly provided with a load-bearing strip (34), and the load-bearing strip (34) is provided with a mounting connection hole (35). The upper ends of the two sides of the support frame (3) are symmetrically provided with connection grooves (36), and the two ends of the support frame (3) are symmetrically provided with matching sockets (37), and the two sides of the support frame (3) are respectively installed with support carriers (4).

4. A stress relief device for aluminum alloy plate according to claim 3, characterized in that: The support carrier plate (4) is located at the lower side of the support frame (3), and a matching mounting plate (41) is fixedly arranged on the support carrier plate (4), a movable connection hole (42) is opened on the matching mounting plate (41), a bearing connection column (33) is inserted into the movable connection hole (42), and an inclined driving frame (43) is symmetrically fixedly arranged on the matching mounting plate (41).

5. A stress relief device for aluminum alloy plate according to claim 4, characterized in that: A bending carrier plate (44) is fixedly arranged on the matching mounting plate (41) on the upper side of the inclined driving frame (43); a matching connecting column (45) is fixedly arranged on the lower side of one end of the bending carrier plate (44) away from the matching mounting plate (41); the matching connecting column (45) is inserted into the driving inclined slideway (191); and a driving matching block (46) is fixedly arranged on the upper side of one end of the bending carrier plate (44) away from the matching mounting plate (41); the driving matching block (46) is connected to a movable bar (5).

6. A stress relief device for aluminum alloy plate according to claim 5, characterized in that: There are two movable bars (5), which are respectively installed on both sides of the interior of the annealing box (1), and a connecting slideway (51) is provided at the lower end of the movable bar (5), and a driving matching block (46) is inserted in the connecting slideway (51). A connecting rod (52) is fixedly provided on one side of the movable bar (5), and the connecting rod (52) is inserted in the connecting through hole (18). A connecting strip (53) is fixedly provided on the end of the connecting rod (52) away from the movable bar (5). The connecting strip (53) is located on the outside of the annealing box (1), and a second connecting drive rod (54) is symmetrically hinged at the upper and lower ends of the end of the connecting strip (53) away from the connecting rod (52), and the other end of the second connecting drive rod (54) is hinged to a movable carrier plate (6).

7. A stress relief device for aluminum alloy plate according to claim 6, characterized in that: There are two movable carrier plates (6) symmetrically arranged on the upper and lower sides of the support frame (3), and the two ends of the movable carrier plates (6) are respectively fixedly provided with limit matching rods (60), the limit matching rod (60) on the upper side of the support frame (3) is inserted into the limit plug hole (16) on the upper side of the support frame (3), and the limit matching rod (60) on the lower side of the support frame (3) is inserted into the limit plug hole (16) on the lower side of the support frame (3).

8. A stress relief device for aluminum alloy plate according to claim 7, characterized in that: The movable carrier plate (6) is fixedly provided with a mounting sleeve (61), the interior of the mounting sleeve (61) is symmetrically provided with a limit slide groove (62), and a sponge wiping strip (63) is installed on the mounting sleeve (61), and a plug-in strip block (64) is provided on the sponge wiping strip (63), and the plug-in strip block (64) is plugged into the mounting sleeve (61), and a limit slide bar (65) is symmetrically provided on the plug-in strip block (64), and the limit slide bar (65) is plugged into the limit slide groove (62).

9. A stress relief device for aluminum alloy plate according to claim 8, characterized in that: The two ends of the support frame (3) are symmetrically mounted with hollow bearing plates (7), the hollow bearing plates (7) are fixedly provided with matching connecting rods (71), the matching connecting rods (71) are inserted into matching sockets (37), and the matching connecting rods (71) are fixedly provided with a first clamping strip (72) at one end away from the hollow bearing plate (7), the first clamping strip (72) is located on the inner side of the support frame (3), the upper sides of the two ends of the hollow bearing plates (7) are symmetrically fixed with connecting bearing plates (73), the connecting bearing plates (73) are fixedly provided with matching contact columns (74), and the hollow bearing plates (73) at the lower side thereof are fixedly provided with matching contact columns (75). A matching plug-in rod (75) is fixedly arranged on the plate (7), the matching plug-in rod (75) is inserted into the installation connection hole (35), and a connecting spring (76) is sleeved on the matching plug-in rod (75), and the two ends of the hollow load-bearing plate (7) are symmetrically hinged with a third connecting drive rod (77), and the other end of the third connecting drive rod (77) is hinged with a second clamping strip (8), and the second clamping strip (8) is in two pieces and is symmetrically installed on both sides of the inner part of the support frame (3), and a plug-in connecting strip (81) is fixedly arranged on the second clamping strip (8), and the plug-in connecting strip (81) is hinged with the third connecting drive rod (77).

10. A stress relief method, characterized in that: The method is applicable to the stress relief device according to any one of claims 1 to 9, comprising the following steps: Step 1: Placing the aluminum alloy plate: placing the aluminum alloy plate in the support frame (3) and supporting it via the support carrier plate (4); Step 2: Clamping and fixing the aluminum alloy plate: starting the electric telescopic rod (12) to drive the movable box plate (2) to move downward to close the annealing box (1), and at the same time pushing the support frame (3) into the annealing box (1), and clamping and fixing the aluminum alloy plate under the action of the first clamping strip (72) and the second clamping strip (8); Step 3: Cleaning the aluminum alloy plate: When the aluminum alloy plate is moved in the annealing box (1), its surface is wiped and cleaned by the sponge wiping strip (63); Step 4: Heating the aluminum alloy plate to relieve stress: After the aluminum alloy plate enters the annealing box (1), the annealing box (1) slowly increases the temperature to slowly heat the aluminum alloy plate, and after heating to the annealing temperature, it is kept for a period of time to remove stress.

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