Aluminum alloy plate overturning and welding device

Abstract

The invention discloses an aluminum alloy plate overturning and welding device, and belongs to the technical field of welding machining. The device comprises a base table, a movable groove is formed in the top of the base table, a turnover limiting mechanism used for limiting an aluminum alloy plate is rotationally installed on the inner wall of the movable groove, the turnover limiting mechanism comprises a limiting frame, and limiting assemblies are arranged at the two ends of the inner wall of the limiting frame; the limiting assembly comprises two limiting clamping plates which are symmetrically arranged, a plurality of displacement adjusting parts are arranged on one sides of the two limiting clamping plates, and each displacement adjusting part comprises a roller frame and an adjusting roller; according to the overturning limiting mechanism, stable supporting and limiting can be achieved, the aluminum alloy plate is driven to conduct overturning movement through rotation of the overturning limiting mechanism, the posture of the aluminum alloy plate is adjusted, the aluminum alloy plate can be welded in different postures, pushing force can be applied to the aluminum alloy plate by adjusting the rolling wheels, and the welding efficiency is improved. And traction correction of welding deformation of the aluminum alloy plate is achieved.

Description

Technical Field

[0001] The present invention relates to the technical field of welding processing, and particularly relates to a flipping welding device for aluminum alloy plates. Background Art

[0002] During the welding process of aluminum alloy plates, due to characteristics such as high thermal conductivity and large thermal expansion coefficient of the material, it is easily affected by uneven heat input, molten pool fluidity, and gravity, resulting in unstable weld formation quality. Especially during thin plate welding, since existing welding methods mostly fix thin plates horizontally, this welding method easily causes the molten material generated by welding to droop under the action of gravity, resulting in the dripping of the molten material, forming undercut or weld bead; in multi-layer welding of thick plates, the residual stress accumulated layer by layer is prone to cause irreversible distortion, and subsequent straightening processes are required, greatly increasing the manufacturing cost; moreover, traditional welding equipment mostly uses fixed clamping fixtures, making it difficult to dynamically adjust the plate posture and welding angle, restricting the process adaptability.

[0003] In addition, its existing clamping mechanism mostly fixes the plate through rigid fixtures. During the welding process, due to the existence of thermal stress or mechanical stress, it is easy to cause defects such as edge mismatch and lack of fusion due to plate deformation during welding. Summary of the Invention

[0004] The present invention provides a flipping welding device for aluminum alloy plates, which can solve the problem of the lack of the ability to control plate deformation during the welding process in the prior art.

[0005] The present invention provides a flipping welding device for aluminum alloy plates, including a base. An activity groove is opened at the top of the base. A flipping welding mechanism is arranged on one side of the activity groove. A flipping limiting mechanism for limiting the aluminum alloy plate is rotatably installed on the inner wall of the activity groove. The flipping limiting mechanism includes a limiting frame. Limiting components are arranged at both ends of the inner wall of the limiting frame. The limiting components include two symmetrically arranged limiting clamping plates. A plurality of displacement adjusting members are arranged on one side of each of the two limiting clamping plates. The displacement adjusting member includes a roller frame. An adjusting roller is rotatably installed on the inner wall of the roller frame. A locking member for adjusting the distance between the waste limiting clamping plates is arranged between the two limiting clamping plates.

[0006] As a further scheme of the present invention: The flipping limiting component is arranged at one end of the activity groove away from the flipping welding mechanism.

[0007] As a further scheme of the present invention: The displacement adjusting member includes a mounting frame. A displacement groove is opened on the inner wall of the mounting frame. A pressure sensor is fixedly installed at one end of the inner wall of the displacement groove. The roller frame is slidably installed in the activity groove.

[0008] As a further solution of the present invention: The locking member includes a locking frame, and the inner wall of the locking frame is rotatably connected with a locking sleeve. Both ends of the inner wall of the locking sleeve are threadedly connected with locking screws. Both ends of the two locking screws are respectively fixedly connected with two limiting clamping plates. A tooth groove is formed in the middle of the locking sleeve. A locking motor is arranged on one side of the locking sleeve. The output end of the locking motor is fixedly connected with a locking gear, and one side of the locking gear is meshed with the tooth groove.

[0009] As a further solution of the present invention: The inner wall edges of the two limiting clamping plates located above are both fixedly connected with guiding plates, and one side of the guiding plate is inclined.

[0010] As a further solution of the present invention: A heat dissipation plate is snap-fitted on one side of the limiting frame. The middle of the heat dissipation plate protrudes towards the inside of the limiting frame. Both ends of the heat dissipation plate are fixedly connected with limiting gaskets. The width of the protruding position in the middle of the heat dissipation plate is the same as the distance between the two limiting components.

[0011] As a further solution of the present invention: A plurality of heat dissipation through grooves are formed in the heat dissipation plate. One end of the heat dissipation plate is fixedly connected with a air supply frame. The air supply frame is communicated with the ends of the plurality of heat dissipation through grooves. One side of the air supply frame is fixedly connected with an air supply pipe. One end of the air supply pipe is fixedly connected with the output end of an external air pump.

[0012] As a further solution of the present invention: The bottom of the limiting frame is fixedly connected with a mounting table. The bottom of the mounting table is fixedly connected with a driving shaft. One end of the driving shaft is rotatably connected with the inner wall of the moving groove. The other end of the driving shaft is provided with a driving motor, and the output end of the driving motor is fixedly connected with the driving shaft.

[0013] As a further solution of the present invention: The flipping and welding mechanism includes a displacement driving component and a welding component. The driving component includes a side frame. A side guide rail is fixedly installed on the inner wall of the side frame. A mounting seat is slidably installed on the inner wall of the side guide rail. A flipping motor is fixedly installed inside the mounting seat. The output end of the flipping motor is fixedly connected with the bottom of the welding component. The bottom of one side of the side frame is fixedly connected with an upper supporting plate.

[0014] As a further solution of the present invention: The welding component includes a mounting cover. A translation driving member is fixedly installed at the bottom of the inner wall of the mounting cover. The output end of the translation driving member is fixedly installed with a welding head. A plurality of exhaust fans are fixedly installed on one side of the mounting cover.

[0015] As a further solution of the present invention: The translation driving member includes a transverse translation guide rail, a sliding seat is slidably installed on the inner wall of the transverse translation guide rail, a vertical guide rail is fixedly installed on the top of the sliding seat, a base is slidably installed on the inner wall of the vertical guide rail, and the welding head is fixedly installed on the base.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows: The flipping limit mechanism of the present invention can achieve stable support and limit, and drive the aluminum alloy plate to perform a flipping movement by its own rotation, so as to adjust the posture of the aluminum alloy plate, so that the aluminum alloy plate can be welded in a vertical posture, so that when welding thin plates, the influence of gravity on the molten pool can be adjusted in a vertical welding manner, and the risk of drooping of the molten material can be reduced;

[0017] The present invention drives two limit clamping plates to approach or move away from each other through the locking member, thereby realizing the adjustment of the distance between the two adjustment rollers on both sides, and further realizing the clamping and limiting requirements for aluminum alloy plates of different thicknesses; at the same time, the pulling and displacement of the aluminum alloy plate are realized by the rotation of the adjustment rollers themselves, and the fine adjustment of the posture position of the aluminum alloy plate is realized. Since several displacement adjustment members of the present application are independently arranged, each adjustment roller can work independently. When the aluminum alloy plate deforms due to thermal stress or mechanical stress caused by heat during welding or mechanical pressure, the adjustment roller can apply a pushing force to the aluminum alloy plate to realize the pulling and correction of the welding deformation of the aluminum alloy plate;

[0018] The present invention solves the problem of thermal deformation of the aluminum alloy plate caused by welding heat effectively by setting a heat dissipation component, using the contact between the detachable heat dissipation plate and the aluminum alloy plate, discharging the welding heat accumulated on the aluminum alloy plate in real time through heat conduction, and introducing air into the heat dissipation through groove through an air supply pipe to cool the heat dissipation plate, and then using the heat dissipation plate to cool the aluminum alloy plate in contact with it;

[0019] By setting a rotatable flipping welding mechanism and a flipping limit mechanism, the present invention enables the posture angles of the welding assembly and the aluminum alloy plate during the welding process to be adjusted and switched according to needs, reducing the deformation driving force caused by non-uniform heat accumulation from the source. At the same time, the welding requirements for one side or both sides of the aluminum alloy plate can be realized through the rotational cooperation between them, improving the flexibility of the device. Description of the Drawings

[0020] Figure 1 is a three-dimensional view of the present invention;

[0021] Figure 2 is a schematic diagram of the first working state of the present invention;

[0022] Figure 3 is a three-dimensional view of the flipping welding mechanism of the present invention;

[0023] Figure 4 This is the front elevation sectional view of the flipping limit mechanism of the present invention;

[0024] Figure 5 This is the side elevation sectional view of the flipping limit mechanism of the present invention;

[0025] Figure 6 This is the sectional view of the displacement adjustment member of the present invention;

[0026] Figure 7 This is the sectional view of the locking member of the present invention;

[0027] Figure 8 This is the schematic diagram of the flat placement of the flipping limit mechanism of the present invention;

[0028] Figure 9 This is the schematic diagram of the first working state of the present invention;

[0029] Figure 10 This is the schematic diagram of the working state of the displacement adjustment member of the present invention.

[0030] Explanation of reference numerals:

[0031] 1. Base; 101. Movable groove; 2. Flipping welding mechanism; 201. Side frame; 202. Flipping motor; 203. Mounting cover; 204. Transverse guide rail; 205. Vertical guide rail; 206. Welding head; 208. Exhaust fan; 209. Upper supporting plate; 210. Side guide rail; 3. Flipping limit mechanism; 301. Limit frame; 302. Limit clamping plate; 303. Displacement adjustment member; 3031. Mounting frame; 3032. Roller frame; 3033. Adjusting roller; 3034. Pressure sensor; 304. Locking member; 3041. Locking frame; 3042. Locking motor; 3043. Locking gear; 3044. Locking sleeve; 3045. Locking screw; 305. Guide plate; 306. Mounting table; 307. Driving shaft; 308. Lower supporting plate; 4. Heat dissipation assembly; 401. Heat dissipation plate; 402. Heat dissipation through groove; 403. Air supply duct; 404. Limit stop; 5. Aluminum alloy plate. Detailed implementation manners

[0032] The following will describe in detail the specific implementation manners of the present invention, but it should be understood that the protection scope of the present invention is not limited by the specific implementation manners.

[0033] As Figures 1 to 9 shown, the present invention provides an aluminum alloy sheet flipping and welding device according to an embodiment of the present invention. Please refer to Figure 1 , which includes a base 1. An activity groove 101 is opened at the top of the base 1. A flipping welding mechanism 2 is arranged on one side of the activity groove 101. A flipping limit mechanism 3 for limiting the aluminum alloy plate 5 is rotatably installed on the inner wall of the activity groove 101. Please refer to Figure 4, the flipping limit mechanism 3 includes a limit frame 301. At both ends of the inner wall of the limit frame 301, limit components are provided. The aluminum alloy plate 5 is limited and installed through the flipping limit mechanism 3, and the aluminum alloy plate 5 is driven to rotate by its own flipping to realize the adjustment of the attitude of the aluminum alloy plate 5. During the welding process of thin aluminum alloy plates, the molten material is prone to dripping due to the action of gravity, especially in the flat welding position or the overhead welding position. The flipping limit mechanism 3 of the present application uses its own rotation to drive the aluminum alloy plate 5 to perform a flipping motion, thereby adjusting the attitude of the aluminum alloy plate 5 so that the aluminum alloy plate 5 can be welded in a vertical attitude. In this case, vertical welding can adjust the influence of gravity on the molten pool and reduce the risk of the molten material sagging.

[0034] In one embodiment, please refer to Figure 4 and Figure 5 , the limit components include two symmetrically arranged limit clamping plates 302. On one side of each of the two limit clamping plates 302, a number of displacement adjusting members 303 are provided. The displacement adjusting member 303 includes a roller frame 3032, and an adjusting roller 3033 is rotatably installed on the inner wall of the roller frame 3032. A locking member 304 for adjusting the distance between the waste limit clamping plates 302 is provided between the two limit clamping plates 302. The two limit clamping plates 302 are driven by the locking member 304 to approach or separate from each other, thereby realizing the adjustment of the distance between the two adjusting rollers 3033 on both sides, and further realizing the clamping and limiting requirements for aluminum alloy plates 5 of different thicknesses. The adjusting roller 3033 is a roller-shaped structure with its own power. The pulling and displacement of the aluminum alloy plate 5 are realized by the rotation of the adjusting roller 3033 itself, and the fine adjustment of the attitude position of the aluminum alloy plate 5 is realized. Since a number of displacement adjusting members 303 of the present application are independently arranged, each adjusting roller 3033 can work independently, and thus different pushing forces can be applied to different positions of the aluminum alloy plate 5 to realize the pulling and correction of the welding deformation of the aluminum alloy plate 5.

[0035] In one embodiment, please refer to Figure 1 , the flipping limit component is arranged at one end of the movable groove 101 away from the flipping welding mechanism 2. In this way, when the flipping limit component is laid flat by its own flipping, it can completely enter the movable groove 101, and then the flipping welding mechanism 2 can be laid flat by flipping to perform welding operations on the other side of the aluminum alloy plate 5. For the specific attitude, please refer to Figures 8 to 9 .

[0036] In one embodiment, please refer to Figure 6, the displacement adjusting member 303 includes a mounting frame 3031. A displacement groove is formed in the inner wall of the mounting frame 3031. One end of the inner wall of the displacement groove is fixedly installed with a pressure sensor 3034. The roller frame 3032 is slidably installed in the movable groove 101. By arranging the pressure sensor 3034, the pressure on the roller frame 3032 and the adjusting roller 3033 is detected. When the aluminum alloy plate 5 deforms due to thermal stress or mechanical stress caused by welding heat or mechanical pressure, the readings of the pressure sensors 3034 at some positions change. Then, by rotating the adjusting roller 3033, the aluminum alloy plate 5 is pushed to move, realizing the pulling and correction of its posture.

[0037] In one embodiment, please refer to Figure 5 , in this application, by arranging the locking member 304 to adjust the distance between the two limiting clamping plates 302, considering that double-sided welding operations may be required, to avoid the locking member 304 from obstructing the flipping welding mechanism 2, the locking member 304 is arranged between the two limiting clamping plates 302 inside the limiting frame 301; specifically, please refer to Figure 7 , the locking member 304 includes a locking frame 3041. The inner wall of the locking frame 3041 is rotatably connected with a locking sleeve 3044. Both ends of the inner wall of the locking sleeve 3044 are threadedly connected with locking screws 3045. Both ends of the two locking screws 3045 are fixedly connected to the two limiting clamping plates 302 respectively. A tooth groove is formed in the middle of the locking sleeve 3044. A locking motor 3042 is arranged on one side of the locking sleeve 3044. The output end of the locking motor 3042 is fixedly connected with a locking gear 3043. One side of the locking gear 3043 is engaged with the tooth groove. By driving the locking gear 3043 to rotate by the locking motor 3042, the locking sleeve is driven to rotate. The threads on the inner wall of the locking sleeve 3044 and the threads on the two locking screws 3045 are arranged such that when the locking sleeve 3044 rotates, the two locking screws 3045 move closer to or away from each other synchronously, thereby realizing the clamping and opening of the limiting clamping plates 302.

[0038] In one embodiment, please refer to Figure 5 , for the convenience of the installation operation of the aluminum alloy plate 5, guide plates 305 are fixedly connected to the inner wall edges of the two upper limiting clamping plates 302. One side of the guide plate 305 is inclined. When the upper part of the aluminum alloy plate 5 penetrates into the inside of the limiting frame 301, it is guided by the inclined surface of the guide plate 305 so that it can stably and quickly penetrate between the two adjusting rollers 3033.

[0039] In one embodiment, please refer to Figure 1 and Figure 5, to reduce the deformation problem of the aluminum alloy plate 5 caused by the thermal effect during the welding process, a heat dissipation component 4 is snap-connected to one side of the limit frame 301. The heat dissipation component 4 includes a heat dissipation plate 401. The middle part of the heat dissipation plate 401 protrudes towards the inside of the limit frame 301. In this embodiment, the middle part of the heat dissipation plate 401 protrudes and is set as a plane, that is, the overall cross-section of the heat dissipation plate 401 is in a "C" shape, so that the middle part of the heat dissipation plate 401 can contact the aluminum alloy plate 5 with the largest area, thereby realizing the real-time discharge of the welding heat and effectively reducing the problem of thermal deformation of the aluminum alloy plate 5 caused by the welding heat; the width of the protruding position in the middle of the heat dissipation plate 401 is the same as the distance between the two limit components, so as to use the limit clamping plates 302 at both ends to assist in installing and limiting the heat dissipation plate 401; for the convenience of installing and disassembling the heat dissipation plate 401, limit tabs 404 are fixedly connected to both ends of the heat dissipation plate 401.

[0040] In one embodiment, please refer to Figure 5 , to improve the heat dissipation capacity of the heat dissipation plate 401, a plurality of heat dissipation through grooves 402 are opened inside the heat dissipation plate 401. One end of the heat dissipation plate 401 is fixedly connected with a blowing frame, and the blowing frame is communicated with the ends of the plurality of heat dissipation through grooves 402. One side of the blowing frame is fixedly connected with an air supply pipe 403. One end of the air supply pipe 403 is fixedly connected with the output end of an external air pump. The external air supply pump introduces air into the heat dissipation through grooves 402 through the air supply pipe 403 to cool the heat dissipation plate 401, and then uses the heat dissipation plate 401 to cool the aluminum alloy plate 5 in contact with it.

[0041] In one embodiment, please refer to Figure 5 , to realize the flipping of the limit frame 301 and the overall structure such as the upper limit frame 301 on it, an installation table 306 is fixedly connected to the bottom of the limit frame 301. A driving shaft 307 is fixedly connected to the bottom of the installation table 306. One end of the driving shaft 307 is rotatably connected to the inner wall of the movable groove 101. The other end of the driving shaft 307 is provided with a driving motor, and the output end of the driving motor is fixedly connected to the driving shaft 307. The driving motor is used to drive the driving shaft 307 and the installation table 306 to rotate, so as to realize the adjustment of the overall posture of the flipping limit mechanism 3. A lower supporting plate 308 is fixedly connected to the lower side of one side of the movable groove 101, which is used to support the flipping limit component when it is laid flat.

[0042] In one embodiment, please refer to Figure 3, the flipping and welding mechanism 2 includes a displacement driving component and a welding component. The driving component includes a side frame 201. A side guide rail 210 is fixedly installed on the inner wall of the side frame 201. A mounting seat is slidably installed on the inner wall of the side guide rail 210. A flipping motor 202 is fixedly installed inside the mounting seat. The output end of the flipping motor 202 is fixedly connected to the bottom of the welding component. The welding component is driven to move horizontally through the side guide rail 210, and is driven by the flipping motor 202 to flip, so as to align with the flipping limit mechanism 3 for welding operations. A upper support plate 209 is fixedly connected to the bottom of one side of the side frame, which is used to support the flipping and welding mechanism 2 when it is flipped and laid flat to ensure the horizontal stability of the posture of the welding component.

[0043] The specific structure of the welding component can be implemented by referring to the existing technical means, and only needs to meet the functions of automatic displacement and welding. In one embodiment, the present application provides a feasible structure of the welding component. The welding component includes a mounting cover 203. A translation driving member is fixedly installed at the bottom of the inner wall of the mounting cover 203. The output end of the translation driving member is fixedly installed with a welding head 206. The translation driving member includes a transverse guide rail 204. A sliding seat is slidably installed on the inner wall of the transverse guide rail 204. A vertical guide rail 205 is fixedly installed on the top of the sliding seat. A base is slidably installed on the inner wall of the vertical guide rail 205. The welding head 206 is fixedly installed on the base. The welding head 206 is driven to move parallel in a plane by the translation driving frame to meet the welding requirements of the aluminum alloy plate 5. In this embodiment, the welding head 206 uses laser welding. Several exhaust fans 208 are fixedly installed on one side of the mounting cover 203 to accelerate the dissipation and discharge of the welding gas in the mounting cover 203 and assist in the heat dissipation of the welding area.

[0044] When the present invention is in use, an operator loads the plate to be welded into the limit frame 301. First, load the lower part, that is, pass the lower part of the aluminum alloy plate 5 through the limit components below the limit frame 301 so that it is located between several adjusting rollers 3033 on both sides. Then pass the upper part of the aluminum alloy plate 5 through the limit components above the limit frame 301 and lift the aluminum alloy plate 5 until its upper part passes through the guiding plate 305 and enters the limit components above.

[0045] Then the locking motor 3042 is started, driving the locking gear 3043 and the locking sleeve 3044 to rotate, further driving the two locking bolts to approach each other, and further driving the two limit clamping plates 302 to approach each other, so that the two adjusting rollers 3033 approach each other to clamp both sides of the aluminum alloy plate 5 respectively. Then the heat dissipation plate 401 is snap-fitted and installed so that the middle of the heat dissipation plate 401 is in contact with the aluminum alloy plate 5.

[0046] When welding thin plates, the driving motor drives the mounting table 306 to rotate, thereby driving the limit frame 301 to rotate and remain vertical. At this time, the side guide rail 210 is activated to drive the welding assembly to move towards the aluminum alloy plate 5, and then it moves by the transverse guide rail 204 and the vertical guide rail 205, and the welding head 206 is activated to work. For the working state at this time, please refer to Figure 2 , to realize the welding operation of the aluminum alloy plate 5. During the welding process, when the heat or pressure caused by the welding operation causes the aluminum alloy plate 5 to deform, the adjusting roller 3033 corresponding to the deformed position is pulled by the deformation of the aluminum alloy plate 5, thereby changing the pressure between the roller frame 3032 and the pressure sensor 3034. Please refer to Figure 10 , Figure 10 In (a) of Figure 10 , it shows the normal state. When the pressure reading of the pressure sensor 3034 increases, it is judged that the aluminum alloy plate 5 has deformed in the shrinking direction towards the center, generating a pulling force towards the center direction, driving the adjusting roller 3033 and the roller frame 3032 to move towards the pressure sensor 3034. For the working state, please refer to Figure 10 (b). The pulling force towards the center direction is indicated by the arrow in the figure. At this time, the adjusting roller 3033 rotates to push the aluminum alloy plate 5 towards the edge direction. For the state at this time, please refer to

[0047] (c). The generated pushing force is indicated by the shorter arrow in the figure. This pushing force is opposite to the direction of the pulling force, thereby realizing the suppression of the deformation of the aluminum alloy plate 5; when the pressure decreases, it is judged that the aluminum alloy plate 5 has deformed in the stretching direction towards the edge. At this time, the adjusting roller 3033 rotates in the reverse direction to push the aluminum alloy plate 5 towards the center direction; during the welding process, the external air pump is activated to work, and the air pipe 403 sends air into the heat dissipation through groove 402, and through the contact between the aluminum alloy plate 5 and the heat dissipation plate 401, the heat of the aluminum alloy plate 5 is dissipated in real time by heat conduction and discharged; Figure 9 as shown.

[0048] The above only discloses several specific embodiments of the present invention. However, the embodiments of the present invention are not limited thereto, and any changes that can be thought of by those skilled in the art should fall within the protection scope of the present invention.

Claims

1. An aluminum alloy sheet turning and welding device, characterized in that, Comprising a base (1), an activity groove (101) is provided at the top of the base (1), a flipping and welding mechanism (2) is arranged on one side of the activity groove (101), and a flipping and limiting mechanism (3) for limiting an aluminum alloy plate (5) is rotatably installed on the inner wall of the activity groove (101). The flipping and limiting mechanism (3) includes a limiting frame (301), and limiting components are arranged at both ends of the inner wall of the limiting frame (301). The limiting components include two symmetrically arranged limiting clamping plates (302), and a plurality of displacement adjusting members (303) are arranged on one side of each of the two limiting clamping plates (302). The displacement adjusting member (303) includes a roller frame (3032), and an adjusting roller (3033) is rotatably installed on the inner wall of the roller frame (3032); a locking member (304) for adjusting the distance between the waste limiting clamping plates (302) is arranged between the two limiting clamping plates (302).

2. The flip welding device for aluminum alloy plates according to claim 1, characterized in that The displacement adjusting member (303) includes a mounting frame (3031), a displacement groove is provided on the inner wall of the mounting frame (3031), a pressure sensor (3034) is fixedly installed at one end of the inner wall of the displacement groove, and the roller frame (3032) is slidably installed in the activity groove (101).

3. A flipping and welding device for aluminum alloy plates according to claim 1, characterized in that, The locking member (304) includes a locking frame (3041), a locking sleeve (3044) is rotatably connected to the inner wall of the locking frame (3041), locking screws (3045) are threadedly connected to both ends of the inner wall of the locking sleeve (3044), and both ends of the two locking screws (3045) are fixedly connected to the two limiting clamping plates (302) respectively. A toothed groove is provided in the middle of the locking sleeve (3044), a locking motor (3042) is arranged on one side of the locking sleeve (3044), a locking gear (3043) is fixedly connected to the output end of the locking motor (3042), and one side of the locking gear (3043) is meshed with the toothed groove.

4. A flipping and welding device for aluminum alloy plates according to claim 1, characterized in that, Guide plates (305) are fixedly connected to the inner wall edges of the two upper limiting clamping plates (302), and one side of the guide plate (305) is inclined.

5. The flip welding device for aluminum alloy plates according to claim 1, characterized in that, A heat dissipation plate (401) is snap-fitted to one side of the limiting frame (301), the middle of the heat dissipation plate (401) protrudes inwardly towards the limiting frame (301), and limiting tabs (404) are fixedly connected to both ends of the heat dissipation plate (401).

6. The aluminum alloy sheet turning and welding device according to claim 5, characterized in that, A plurality of heat dissipation through grooves (402) are provided inside the heat dissipation plate (401), a blowing air frame is fixedly connected to one end of the heat dissipation plate (401), the blowing air frame is communicated with the ends of the plurality of heat dissipation through grooves (402), and an air supply pipe (403) is fixedly connected to one side of the blowing air frame.

7. An aluminum alloy sheet turning and welding device as described in claim 1, characterized in that, A mounting table (306) is fixedly connected to the bottom of the limiting frame (301), a driving shaft (307) is fixedly connected to the bottom of the mounting table (306), one end of the driving shaft (307) is rotatably connected to the inner wall of the activity groove (101), a driving motor is arranged at the other end of the driving shaft (307), and the output end of the driving motor is fixedly connected to the driving shaft (307).

8. The flip welding device for aluminum alloy plates according to claim 1, wherein, The flipping and welding mechanism (2) includes a displacement driving component and a welding component. The driving component includes a side frame (201). A side guide rail (210) is fixedly installed on the inner wall of the side frame (201). A mounting seat is slidably installed on the inner wall of the side guide rail (210). A flipping motor (202) is fixedly installed inside the mounting seat. The output end of the flipping motor (202) is fixedly connected to the bottom of the welding component.

9. The flip welding device for aluminum alloy plates according to claim 8, characterized in that, The welding component includes a mounting cover (203). A translation driving member is fixedly installed at the bottom of the inner wall of the mounting cover (203). A welding head (206) is fixedly installed at the output end of the translation driving member. A plurality of exhaust fans (208) are fixedly installed on one side of the mounting cover (203).

10. A flip welding device for aluminum alloy plates according to claim 9, characterized in that, The translation driving member includes a transverse guide rail (204). A sliding seat is slidably installed on the inner wall of the transverse guide rail (204). A vertical guide rail (205) is fixedly installed on the top of the sliding seat. A base is slidably installed on the inner wall of the vertical guide rail (205). The welding head (206) is fixedly installed on the base.

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