Production device and process for copper-aluminum multi-layer composite flaky material

Abstract

The invention relates to the technical field of copper-aluminum multi-layer composite sheet material production, in particular to a copper-aluminum multi-layer composite sheet material production device and a copper-aluminum multi-layer composite sheet material production process, the copper-aluminum multi-layer composite sheet material production device comprises a conveying rack used for placing plates, and the conveying rack is provided with a cleaning mechanism and a pressing mechanism; the cleaning roller can conduct pressing treatment on the area, with small deformation, of the plate in the heat treatment process of the plate so as to guarantee the flatness of the plate after heat treatment, the cleaning roller can rotate in the moving process, then an oxide layer generated by heat treatment of the surface of the plate can be scraped, the oxide layer is prevented from hindering heat transfer and contact of a cooling medium, and the service life of the plate is prolonged. The cooling is not uniform when the plate is quenched; and soft spots or quenching cracks are easy to generate.

Description

Technical Field

[0001] The present application relates to the technical field of the production of copper-aluminum multi-layer composite sheet materials, and particularly relates to a production device and process for copper-aluminum multi-layer composite sheet materials. Background Art

[0002] The preparation of copper-aluminum composite materials mainly adopts methods such as cold rolling, hot rolling, and explosive welding. The cold rolling method realizes atomic bonding through large reduction ratios, and subsequent diffusion annealing is required to strengthen the bonding; the hot rolling method relies on high-temperature diffusion to form a stable interface; explosive welding uses instantaneous high pressure and high temperature to achieve bonding, but the process cost is relatively high.

[0003] After preparation, the copper-aluminum contact interface is often mechanically bonded, and heat treatment is required to promote the interdiffusion of elements to achieve metallurgical bonding to improve performance. For example, the patent application with the publication number CN112779389B discloses a continuous heat treatment device for metal laminated composite plates. The clamping plate is driven by the first linear motor on the bottom plate to move the metal laminated composite plate in the horizontal direction, and the cylinder arranged at the center of the top plate drives the moving plate to move up and down through the push rod, realizing the heating of the plate and the selection of heating methods. The device can perform differential heat treatment on the metal laminated composite plate by using different heating methods according to the requirements of different clad metals, ensuring that the plate can maintain its original laminated structure and performance after heating.

[0004] However, the above-mentioned existing technologies still have the following problems when heat-treating copper-aluminum composite materials: 1. In the high-temperature environment of heat treatment, metal atoms combine with oxygen to generate oxides and accelerate the oxidation reaction, and then an oxide film is formed on the surface of the plate. The formed oxide film hinders heat transfer and the contact with the cooling medium, resulting in uneven cooling during quenching and possibly generating soft spots or quenching cracks.

[0005] 2. During the heat treatment process, the temperature difference between the inner and outer layers of the plate causes uneven thermal expansion and contraction, generating tensile (compressive) stress, which causes the bending or warping of the plate, and then affects the flatness of the plate surface after heat treatment. Summary of the Invention

[0006] In order to solve the above technical problems, the present application provides a production device and process for copper-aluminum multi-layer composite sheet materials, and adopts the following technical solutions: In a first aspect, a production device for copper-aluminum multi-layer composite sheet materials includes a conveying rack for placing the sheet material, and a cleaning mechanism and a rolling press are installed on the conveying rack.

[0007] The cleaning mechanism includes: Moving frames, symmetrically arranged along the width direction of the conveying rack and moving along the length direction of the conveying rack.

[0008] The cleaning roller is arranged between the moving frames and rotates self - sufficiently. It can not only scrape the oxide layer on the plate but also press the area with small deformation of the plate.

[0009] The pressing mechanism includes: A U - shaped frame with an opening downward and slidably arranged on the conveying machine frame.

[0010] There are two groups of swing rods symmetrically arranged along the width direction of the U - shaped frame, and each group of swing rods is symmetrically installed at the bottom of the horizontal section of the U - shaped frame along the length direction of the U - shaped frame through hinges.

[0011] At the bottom of each group of swing rods, a pressing plate is jointly installed through a hinge. The pressing plate reciprocally swings around one end of the swing rod close to the bottom of the horizontal section of the U - shaped frame and presses the area with large deformation of the plate.

[0012] Preferably, a collection assembly for collecting the oxide layer scraped by the cleaning roller is jointly installed between the moving frames. The collection assembly includes: A protective cover is arranged between the two moving frames, which is a semi - circular structure and coaxial with the cleaning roller.

[0013] Support plates are symmetrically arranged along the length direction of the conveying machine frame and installed on the protective cover. A guide plate is installed on the side of the support plate far from the protective cover.

[0014] A plurality of collection pipes are uniformly arranged along the length direction of the support plate and are installed through the support plate. An aggregate pipe is jointly installed on the collection pipes corresponding to the same support plate.

[0015] A cavity structure is provided inside the cleaning roller, and a plurality of air outlets communicating with its internal cavity structure are uniformly arranged on the circumferential surface of the cleaning roller.

[0016] Preferably, fixing protrusions are arranged on the moving frames, a reset spring rod is installed on the fixing protrusions, and the end of the reset spring rod far from the fixing protrusion is installed on the protective cover. A plurality of scraping plates are uniformly installed on the circumferential surface of the cleaning roller along its circumferential direction.

[0017] Preferably, the shaft head of the cleaning roller penetrates through the corresponding moving frame, a first gear is installed on the shaft head of the cleaning roller, and a first rack plate meshing with the first gear is installed on the conveying machine frame.

[0018] Preferably, a lifting cylinder is installed on the top of the horizontal section of the U - shaped frame through a cylinder seat. The telescopic end of the lifting cylinder is installed with a lifting rod, and the lifting rod penetrates through the horizontal section of the U - shaped frame. A lifting block is installed at the bottom of the lifting rod. Along the length direction of the conveying machine frame, linkage rods corresponding to the pressing plates are symmetrically installed on the lifting block through hinges, and the linkage rods are arranged in a V - shaped structure. The end of the linkage rod far from the lifting block is installed on the pressing plate through a hinge.

[0019] Preferably, a plurality of pressing shafts are uniformly arranged along the width direction at the bottom of the pressing plate.

[0020] Preferably, a stamping plate for stamping on the area with large sheet deformation is installed at the bottom of the lifting block.

[0021] Preferably, the conveying rack is composed of two vertical frames and a horizontal frame slidably arranged between the two vertical frames. Driving cylinders are installed on the opposite surfaces of the vertical frames through cylinder seats. The telescopic ends of the driving cylinders are connected to the horizontal frame. Limiting strips for limiting the sheet are arranged between the opposite surfaces of the vertical frames.

[0022] Preferably, a stamping assembly for stamping on the edge of the sheet is jointly installed between the C-shaped frame and the stamping plate.

[0023] In a second aspect, a production process of a copper-aluminum multi-layer composite sheet material includes the following steps: S1: Placement treatment, placing the sheet to be heat-treated on the conveying rack and conveying the sheet along the length direction of the conveying rack through external driving.

[0024] S2: Rolling treatment, rolling the bulging convex part of the sheet through the cooperation of the rolling plate and the cleaning roller.

[0025] S3: Cleaning treatment, scraping the oxide layer on the sheet synchronously during the rolling process of the cleaning roller.

[0026] In summary, the present application includes at least one of the following beneficial technical effects: 1. The cleaning roller designed in the present invention can roll the area with small sheet deformation during the heat treatment of the sheet to ensure the flatness of the sheet after heat treatment. The cleaning roller can also rotate during movement, and thus can scrape the oxide layer generated on the surface of the sheet during heat treatment, avoiding the oxide layer from hindering heat transfer and contact with the cooling medium, resulting in uneven cooling during quenching of the sheet and the possibility of soft spots or quenching cracks.

[0027] 2. The rolling plate in the present invention can swing during use, and thus the rolling plate during swinging can perform dynamic pre-pressing on the area with large sheet deformation, effectively releasing local stress concentration. After the rolling plate swings a certain arc, the stamping plate performs precise secondary pressing on the remaining protrusions, realizing a stepped release of the material ductility by controlling the deformation gradient, ensuring both the forming accuracy and maintaining the integrity of the material structure, and further ensuring the flatness of the sheet after heat treatment. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 is a three-dimensional structural schematic diagram of the present invention.

[0029] Figure 2 is a three-dimensional installation structural schematic diagram among the conveying rack, the collection assembly, the C-shaped frame, etc. of the present invention.

[0030] Figure 3 It is a schematic diagram of the three-dimensional installation structure among the collection rack, driving cylinder, limiting strip, etc. of the present invention.

[0031] Figure 4 It is a schematic diagram of the three-dimensional installation structure among the lifting cylinder, lifting rod, lifting block, etc. of the present invention.

[0032] Figure 5 It is a schematic diagram of the three-dimensional installation structure among the protective cover, gear one, rack plate one, etc. of the present invention.

[0033] Figure 6 It is the present invention Figure 5 Partial enlarged view at position A in the present invention.

[0034] Figure 7 It is a schematic diagram of the three-dimensional installation structure among the C-shaped frame, rack plate two, fixed pulley, etc. of the present invention.

[0035] Figure 8 It is the present invention Figure 7 Partial enlarged view at position B in the present invention.

[0036] Figure 9 It is a process flow chart of the production of copper-aluminum multi-layer composite sheet material of the present invention.

[0037] Explanation of reference numerals: 000, sheet material; 1, conveying rack; 11, vertical frame; 12, horizontal frame; 13, driving cylinder; 14, limiting strip; 2, cleaning mechanism; 21, moving frame; 211, reset spring rod; 22, cleaning roller; 221, air outlet; 222, scraping plate; 223, gear one; 224, rack plate one; 23, collection assembly; 231, protective cover; 232, support plate; 233, guide plate; 234, collection pipe; 235, aggregate pipe; 3, pressing mechanism; 31, C-shaped frame; 311, lifting cylinder; 312, lifting rod; 313, lifting block; 314, linkage rod; 315, stamping plate; 32, swing rod; 33, pressing plate; 331, pressing shaft; 34, stamping assembly; 341, rack plate two; 342, vertical plate; 343, fixing plate; 344, winding shaft; 345, gear two; 346, stamping block; 347, fixed pulley; 348, traction rope. Detailed implementation manners

[0038] The following will Figures 1 to 9 make a further detailed description of the present application in conjunction with the attached

[0039] The embodiment of the present application discloses a copper-aluminum multi-layer composite sheet material production device and process, which performs deoxidation layer treatment on the material during the heat treatment process to ensure the uniformity of heat release during subsequent quenching, and at the same time performs hierarchical pressing treatment on the deformed area of the material to reduce the stress concentration inside the material caused by the heat treatment.

[0040] Example 1: Referring to Figure 1 and Figure 2 , a production device for copper-aluminum multi-layer composite sheet materials includes a conveying rack 1 for placing the sheet 000, and a cleaning mechanism 2 and a pressing mechanism 3 are installed on the conveying rack 1. Among them, the cleaning mechanism 2 includes: Moving frames 21 are symmetrically arranged along the width direction of the conveying rack 1 and move along the length direction of the conveying rack 1.

[0041] Cleaning rollers 22 are arranged between the moving frames 21 and rotate. They can not only scrape the oxide layer on the sheet 000 but also press the area with less deformation of the sheet 000.

[0042] Referring to Figure 2 and Figure 4 , the pressing mechanism 3 includes: A U-shaped frame 31 with an opening downward and is slidably arranged on the conveying rack 1.

[0043] Two groups of swing rods 32 are symmetrically arranged along the width direction of the U-shaped frame 31, and each group of swing rods 32 is symmetrically installed at the bottom of the horizontal section of the U-shaped frame 31 along the length direction of the U-shaped frame 31 through hinges.

[0044] At the bottom of each group of swing rods 32, a pressing plate 33 is jointly installed through a hinge, and the pressing plate 33 reciprocally swings around one end of the swing rod 32 close to the bottom of the horizontal section of the U-shaped frame 31 and presses the area with large deformation of the sheet 000.

[0045] During the heat treatment of the sheet 000, the cleaning rollers 22 can press the area with less deformation of the sheet 000 to ensure the flatness of the sheet 000 after heat treatment. The cleaning rollers 22 can also rotate during the movement, and thus can scrape the oxide layer generated by the surface heat treatment of the sheet 000, avoiding the oxide layer from hindering heat transfer and contact with the cooling medium, resulting in uneven cooling during the quenching of the sheet 000 and the possibility of easy generation of soft spots or quenching cracks.

[0046] During the heat treatment of the sheet 000, the thickness of the sheet 000 is monitored in real time through an existing rangefinder. If the deformation of the deformed area of the sheet 000 is small, the cleaning rollers 22 are directly used to press the deformed area of the sheet 000. If the deformation of the deformed area of the sheet 000 is large, the pressing mechanism 3 is used to perform gradient pressing treatment on the deformed area of the sheet 000.

[0047] Referring to Figure 3, in order to enable the device to roll and press plates 000 with different thicknesses, the horizontal frame 12 and the limiting strip 14 designed in the present invention cooperate with each other to limit the plates 000. Specifically, the conveying frame 1 is composed of two vertical frames 11 and a horizontal frame 12 slidably arranged between the two vertical frames 11. On the opposite surfaces of the vertical frames 11, driving cylinders 13 are installed through cylinder seats. The telescopic ends of the driving cylinders 13 are connected to the horizontal frame 12, and a limiting strip 14 for limiting the plates 000 is arranged between the opposite surfaces of the vertical frames 11.

[0048] During specific operation, the distance between the limiting strip 14 and the horizontal frame 12 is adjusted according to the thickness of the plate 000. The driving cylinder 13 is started, and the telescopic end of the driving cylinder 13 drives the horizontal frame 12 to move in the height direction of the vertical frame 11. Then the plate 000 is placed on the horizontal frame 12. At this time, the telescopic end of the driving cylinder 13 moves upward to drive the horizontal frame 12 to move upward synchronously. During the upward movement of the horizontal frame 12, the plate 000 is driven to move upward and the plate 000 contacts the limiting strip 14. Furthermore, the limiting strip 14 and the horizontal frame 12 cooperate with each other to limit the plate 000, ensuring that the device rolls and presses plates 000 with different thicknesses. At the same time, the limiting strip 14 can ensure that the top height of the plate 000 is always the same, thereby ensuring that the distances between the top of the plate 000 and the cleaning roller 22 and the rolling and pressing plate 33 are always the same, avoiding the influence of different distances between the top of the plate 000 and the cleaning roller 22 and the rolling and pressing plate 33 on the subsequent rolling and pressing and cleaning effects of the plate 000.

[0049] It should be noted that at the starting position, the height from the bottom of the cleaning roller 22 to the plate 000 is less than the height from the bottom of the rolling and pressing plate 33 to the plate 000. During specific operation, the plate 000 to be heat-treated is placed on the conveying frame 1 and is pushed along the length direction of the conveying frame 1 by an external force (such as a cylinder). At this time, the plate 000 is heat-treated by an existing heating device (not shown in the figure). During the heating process, the thickness of the plate 000 is monitored in real time by an existing distance measuring instrument. If there is a region with relatively small deformation of the plate 000, at this time, an existing cylinder (not shown in the figure) is used to push the moving frame 21 to move. During the movement of the moving frame 21, the cleaning roller 22 is driven to move to the region with relatively small deformation of the plate 000. At this time, the moving frame 21 is driven by an existing cylinder to reciprocate on the conveying frame 1. During the reciprocating movement of the moving frame 21, the cleaning roller 22 reciprocates to roll and press and flatten the region with relatively small deformation of the plate 000.

[0050] Refer to Figure 4, a lifting cylinder 311 is installed at the top of the horizontal section of the U-shaped frame 31 through a cylinder seat. A lifting rod 312 is installed at the telescopic end of the lifting cylinder 311, and the lifting rod 312 penetrates through the horizontal section of the U-shaped frame 31. A lifting block 313 is installed at the bottom of the lifting rod 312. Link rods 314 corresponding to the pressing plates 33 one by one are symmetrically installed on the lifting block 313 along the length direction of the conveying rack 1 through hinges, and the link rods 314 are arranged in a V-shaped structure. One end of the link rod 314 far from the lifting block 313 is installed on the pressing plate 33 through a hinge.

[0051] A punching plate 315 for punching the area with large deformation of the sheet 000 is installed at the bottom of the lifting block 313.

[0052] During use, the pressing plate 33 can swing back and forth. During the swinging process, the pressing plate 33 can perform dynamic pre-pressing treatment on the area with large deformation of the sheet 000, effectively releasing local stress concentration. When the pressing plate 33 swings a certain arc, the punching plate 315 performs precise secondary pressing on the remaining protrusions, and realizes the stepped release of the material ductility by controlling the deformation gradient, ensuring both the forming accuracy and maintaining the integrity of the material structure, and further ensuring the flatness of the sheet 000 after heat treatment.

[0053] It should be noted that the sum of the length of the swinging rod 32 and the thickness of the pressing plate 33 is less than the distance from the bottom of the horizontal section of the U-shaped frame 31 to the top of the sheet 000, so as to ensure that when the swinging rod 32 is perpendicular to the top of the U-shaped frame 31, the bottom of the pressing plate 33 will not be rigidly stuck with the sheet 000. During specific operation, if there is an area with large deformation on the sheet 000, at this time, the U-shaped frame 31 is driven by an existing cylinder (not shown in the figure) to move to the area with large deformation, and the driving cylinder 13 is started. When the telescopic end of the driving cylinder 13 moves downward, the lifting block 313 is driven to move through the lifting rod 312. During the movement of the lifting block 313, the two link rods 314 are driven to move. At this time, the included angle between the two link rods 314 increases by a certain angle. During the movement of the link rod 314, a driving force is applied to the pressing plate 33. At this time, the pressing plate 33 moves. During the movement of the pressing plate 33, due to the limitation of the swinging rod 32, it swings around the hinge point of the swinging rod 32 close to the horizontal section of the U-shaped frame 31. Therefore, during the swinging process of the pressing plate 33, an external force can be applied to the area with large deformation of the sheet 000 to reduce its deformation amount.

[0054] When the pressing plate 33 moves a certain distance, at this time, the lifting block 313 can also drive the punching plate 315 to punch the deformed area of the pressed sheet 000. The driving cylinder 13 is started and its telescopic end is moved upward. At this time, the lifting block 313 moves upward and drives the link rod 314 to reset. The included angle between the two link rods 314 decreases, and then the link rod 314 and the swinging rod 32 cooperate with each other to drive the pressing plate 33 to reset.

[0055] Repeating the above actions can reciprocally roll and stamp the area with large deformation of the sheet 000. It should be noted that the descending height of the lifting block 313 gradually increases each time, so that the included angle between the linkage rods 314 changes linearly, and the linkage rods 314 and the swing rod 32 cooperate with each other to gradually press the area with large deformation of the sheet 000, so that the internal stress of the sheet 000 is gently released, avoiding the possibility of brittle fracture of the sheet 000 caused by one-time pressing.

[0056] A plurality of rolling shafts 331 are uniformly arranged along the width direction of the bottom of the rolling plate 33, which can reduce the friction between the rolling plate 33 and the sheet 000 when rolling the area with large deformation of the sheet 000, and play a protective role for the sheet 000.

[0057] Refer to Figure 5 and Figure 6 When the deformed area on the surface of the sheet 000 is flattened, the cleaning roller 22 and the collection assembly 23 provided by the present invention cooperate with each other to scrape the oxide layer on the surface of the sheet 000. And because the surface temperature of the sheet 000 is relatively high, in order to prevent the scraped oxide layer from adhering to the surface of the sheet 000 again, the collection assembly 23 can timely remove the scraped oxide layer. Specifically, a collection assembly 23 for collecting the oxide layer scraped by the cleaning roller 22 is jointly installed between the moving frames 21. The collection assembly 23 includes: A protective cover 231, which is arranged between the two moving frames 21, has a semi-circular structure and is coaxial with the cleaning roller 22.

[0058] Support plates 232 are symmetrically arranged along the length direction of the conveying frame 1 and installed on the protective cover 231. A guide plate 233 is installed on the side of the support plate 232 away from the protective cover 231.

[0059] A plurality of collection pipes 234 are uniformly arranged along the length direction of the support plate 232 and are installed through the support plate 232. An aggregate pipe 235 is jointly installed on the collection pipes 234 corresponding to the same support plate 232.

[0060] The cleaning roller 22 is internally provided with a cavity structure, and a plurality of air outlets 221 communicating with its internal cavity structure are uniformly arranged on the circumferential surface of the cleaning roller 22.

[0061] Fixed protrusions are arranged on the moving frame 21, a reset spring rod 211 is installed on the fixed protrusion, and one end of the reset spring rod 211 away from the fixed protrusion is installed on the protective cover 231. A plurality of scraping plates 222 are uniformly installed on the circumferential surface of the cleaning roller 22 along its circumferential direction.

[0062] The shaft head of the cleaning roller 22 penetrates through the moving frame 21 on the corresponding side. A first gear 223 is installed on the shaft head of the cleaning roller 22, and a first rack plate 224 meshing with the first gear 223 is installed on the conveying machine frame 1.

[0063] Before heat treatment, connect the collecting pipe 234 to the suction port of an external vacuum cleaner (not shown in the figure), and then pump gas into the cavity structure of the cleaning roller 22 through an existing air pump (not shown in the figure). During specific operation, the moving frame 21 drives the cleaning roller 22 to move synchronously during its movement. During the movement of the cleaning roller 22, it rotates self - synchronously through the cooperation of the first gear 223 and the first rack plate 224. During the self - rotation of the cleaning roller 22, the scraper 222 is driven to rotate synchronously. Thus, during the movement of the cleaning roller 22, it rotates self - synchronously to drive the scraper 222 to scrape the oxide layer on the surface of the plate 000. During this process, the gas inside the cleaning roller 22 is discharged through the air outlet 221 and forms an air flow to blow the scraped oxide layer outwards. However, due to the shielding of the protective cover 231, the oxide layer flows towards the bottom of the support plate 232 through the protective cover 231.

[0064] At this time, the external vacuum cleaner sucks the scraped oxide layer into its interior through the collecting pipe 234, thereby ensuring that the scraped oxide layer can be cleaned in time to prevent the possibility of the oxide layer re - adhering to the surface of the plate 000.

[0065] In addition, the guide plate 233 is inclined. To prevent the protective cover 231 from colliding with the deformed area of the plate 000, when the protective cover 231 moves to the deformed area of the plate 000, the guide plate 233 fits with the deformed area of the plate 000. At this time, during the continuous movement of the protective cover 231, it moves upwards synchronously under the drive of the guide plate 233. At this time, the reset spring rod 211 contracts. Thus, the reset spring rod 211 can give way to the deformed area of the plate 000 under the drive of the deformed area of the plate 000 through the guide plate 233.

[0066] During the movement of the cleaning roller 22, it rotates self - synchronously, and thus can apply an external force to the area with less deformation of the plate 000, and level the deformed area on the surface of the plate 000 by combining passive pressing and active pressing.

[0067] Example Two: Refer to Figure 7 and Figure 8, on the basis of the first embodiment, due to the blocking of the limiting strip 14, when the surface of the sheet 000 deforms, the stress concentration occurs at the part where the sheet 000 contacts the limiting strip 14 (i.e., the edge of the sheet 000), so the deformation degree of the edge of the sheet 000 is greater. In order to reduce the influence of the limit of the limiting strip 14 on the deformation degree of the sheet 000 and reduce the stress concentration at the edge of the sheet 000, the stamping assembly 34 provided by the present invention can perform reciprocating stamping treatment on the surface of the sheet 000. Specifically, a stamping assembly 34 for stamping the edge of the sheet 000 is jointly installed between the U-shaped frame 31 and the stamping plate 315.

[0068] The stamping assembly 34 includes relief grooves symmetrically opened along the length direction of the stamping plate 315. A second rack plate 341 is installed on the part of the stamping plate 315 close to the relief groove. A vertical plate 342 is installed at the bottom of the horizontal section of the U-shaped frame 31, and a fixing plate 343 is installed on the vertical plate 342. A winding shaft 344 is installed on the fixing plate 343 through a bearing, and a second gear 345 meshing with the second rack plate 341 is installed on the winding shaft 344. A stamping block 346 is slidably limited at the bottom of the opposite surfaces of the vertical plate 342. A fixed pulley 347 is installed on the vertical plate 342, and a traction rope 348 is wound around the fixed pulley 347. One end of the traction rope 348 is wound around the corresponding winding shaft 344, and the other end of the traction rope 348 is installed on the stamping block 346.

[0069] Among them, the second rack plate 341 is an incomplete rack, and the fixed pulley 347 plays a role in reversing the traction rope 348. Specifically, when the stamping plate 315 moves downward, the second rack plate 341 moves synchronously during the movement of the stamping plate 315. The second rack plate 341 meshes with the second gear 345 during the movement to drive the winding shaft 344 to rotate. The winding shaft 344 drives the traction rope 348 to wind up during the rotation, and at this time the stamping block 346 is lifted. When the second gear 345 disengages from the teeth on the second rack plate 341, the winding shaft 344 is released from the limit, and the stamping block 346 is no longer subjected to the traction force of the traction rope 348 and moves downward by gravity to stamp the sheet 000. Repeat the above actions. During the winding and unwinding process of the winding shaft 344, the stamping block 346 is driven by the traction rope 348 to move reciprocally in the vertical direction, further effectively reducing the stress concentration at the edge of the sheet 000 and making the flatness of the sheet 000 better.

[0070] Finally, referring to Figure 9 , the present invention also provides a production process for copper-aluminum multi-layer composite sheet materials, and the process includes the following steps: S1: Placement treatment, place the sheet 000 to be heat-treated on the conveying rack 1 and convey the sheet 000 along the length direction of the conveying rack 1 through external drive.

[0071] S2: Pressing treatment. If there is a region with less deformation on the sheet 000, at this time, an existing air cylinder (not shown in the figure) is used to push the moving frame 21 to move. During the movement of the moving frame 21, the cleaning roller 22 is driven to move to the region with less deformation of the sheet 000. At this time, the moving frame 21 is driven by the existing air cylinder to reciprocate on the conveying frame 1. During the reciprocating movement of the moving frame 21, the cleaning roller 22 is driven to perform reciprocating pressing and flattening treatment on the region with less deformation of the sheet 000. If there is a region with greater deformation on the sheet 000, at this time, the existing air cylinder is used to drive the C-shaped frame 31 to move to the region with greater deformation, and the driving air cylinder 13 is started. During the downward movement of the telescopic end of the driving air cylinder 13, the lifting block 313 is driven to move through the lifting rod 312. During the movement of the lifting block 313, the two linkage rods 314 are driven to move. At this time, the included angle between the two linkage rods 314 increases by a certain angle. During the movement of the linkage rod 314, a driving force is applied to the pressing plate 33. At this time, the pressing plate 33 moves. During the movement of the pressing plate 33, due to the limitation of the swing rod 32, it swings around the hinge point of the swing rod 32 close to the horizontal section of the C-shaped frame 31. Therefore, during the swinging of the pressing plate 33, an external force can be applied to the region with greater deformation of the sheet 000 to reduce its deformation amount.

[0072] S3: Cleaning treatment. During the movement of the moving frame 21, the cleaning roller 22 is driven to move synchronously. During the movement of the cleaning roller 22, it rotates self - synchronously through the cooperation of the first gear 223 and the first rack plate 224. During the self - rotation of the cleaning roller 22, the scraping plate 222 is driven to rotate synchronously. Therefore, during the movement of the cleaning roller 22, it rotates self - synchronously and drives the scraping plate 222 to scrape the oxide layer on the surface of the sheet 000. During this process, the gas inside the cleaning roller 22 is discharged through the air outlet 221 and forms an air flow to blow the scraped oxide layer outwards. However, due to the shielding of the protective cover 231, the oxide layer flows to the bottom of the support plate 232 through the protective cover 231. At this time, an external vacuum cleaner sucks the scraped oxide layer into its interior through the collection pipe 234.

[0073] For those skilled in the art, it is obvious that the present invention is not limited to the details of the above - mentioned exemplary embodiments, and without departing from the spirit or basic characteristics of the present invention, the present invention can be implemented in other specific forms. Therefore, from any point of view, the embodiments should be regarded as exemplary and non - restrictive. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present invention. Any reference signs in the claims should not be regarded as limiting the claimed rights.

[0074] In addition, it should be understood that although this specification is described according to embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A copper-aluminum multilayer composite sheet material production device, comprising a conveyor frame for placing sheets, characterized in that: A cleaning mechanism and a pressing mechanism are installed on the conveying frame. The cleaning mechanism includes: Moving frames, symmetrically arranged along the width direction of the conveying frame and moving along the length direction of the conveying frame; Cleaning rollers, arranged between the moving frames and rotating, which not only scrape the oxide layer on the plate but also press the area with small deformation of the plate; The pressing mechanism includes: A U-shaped frame, with an opening downward and slidably arranged on the conveying frame; Swing rods, two groups are symmetrically arranged along the width direction of the U-shaped frame, and each group of swing rods is symmetrically installed at the bottom of the horizontal section of the U-shaped frame along the length direction of the U-shaped frame through hinges; At the bottom of each group of swing rods, a pressing plate is jointly installed through a hinge, and the pressing plate reciprocally swings around the end close to the bottom of the horizontal section of the U-shaped frame and presses the area with large deformation of the plate.

2. The copper-aluminum multilayer composite sheet material production device according to claim 1, characterized in that: A collection assembly for collecting the oxide layer scraped by the cleaning rollers is jointly installed between the moving frames. The collection assembly includes: A protective cover, arranged between the two moving frames, in a semi-circular structure and coaxial with the cleaning rollers; Support plates, symmetrically arranged along the length direction of the conveying frame and installed on the protective cover. A guide plate is installed on the side of the support plate away from the protective cover; Collection pipes, a plurality of which are uniformly arranged along the length direction of the support plate and are installed through the support plate. An aggregate pipe is jointly installed on the collection pipes corresponding to the same support plate; A cavity structure is provided inside the cleaning roller, and a plurality of air outlets are uniformly arranged on the circumferential surface of the cleaning roller.

3. The copper-aluminum multilayer composite sheet material production device according to claim 2, characterized in that: Fixed protrusions are arranged on the moving frames, and a reset spring rod is installed on the fixed protrusions. The end of the reset spring rod away from the fixed protrusion is installed on the protective cover. A plurality of scraping plates are uniformly installed on the circumferential surface of the cleaning roller along its circumferential direction.

4. The copper-aluminum multilayer composite sheet material production device according to claim 1, characterized in that: The shaft head of the cleaning roller penetrates through the corresponding side of the moving frame, and a first gear is installed on the shaft head of the cleaning roller. A first rack plate meshing with the first gear is installed on the conveying frame.

5. The copper-aluminum multilayer composite sheet material production device according to claim 1, characterized in that: A lifting cylinder is installed on the top of the horizontal section of the U-shaped frame through a cylinder seat. The telescopic end of the lifting cylinder is installed with a lifting rod, and the lifting rod penetrates through the horizontal section of the U-shaped frame. A lifting block is installed at the bottom of the lifting rod. Linking rods corresponding to the pressing plates one by one are symmetrically installed on the lifting block along the length direction of the conveying frame through hinges, and the linking rods are arranged in a V-shaped structure. The end of the linking rod away from the lifting block is installed on the pressing plate through a hinge.

6. The copper-aluminum multilayer composite sheet material production device according to claim 1, characterized in that: A plurality of pressing shafts are uniformly arranged at the bottom of the pressing plate along its width direction.

7. The copper-aluminum multilayer composite sheet material production device according to claim 5, characterized in that: A punching plate for punching the area with large deformation of the plate is installed at the bottom of the lifting block.

8. The copper-aluminum multilayer composite sheet material production device according to claim 1, characterized in that: The conveying frame is composed of two vertical frames and a horizontal frame slidably arranged between the two vertical frames. Driving cylinders are installed on the opposite surfaces of the vertical frames through cylinder seats, and the telescopic ends of the driving cylinders are connected to the horizontal frame. Limiting strips for limiting the plate are arranged between the opposite surfaces of the vertical frames.

9. The copper-aluminum multilayer composite sheet material production device according to claim 5, characterized in that: A punching assembly for punching the edge of the plate is jointly installed between the U-shaped frame and the punching plate.

10. A process for producing a copper-aluminum multilayer composite sheet material, comprising a copper-aluminum multilayer composite sheet material production device as claimed in any one of claims 1 to 9, characterized in that: Its process includes the following steps: S1: Placement treatment, place the plate to be heat-treated on the conveying frame and convey the plate along the length direction of the conveying frame through external driving; S2: Pressing treatment, press the bulging convex part of the plate through the cooperation of the pressing plate and the cleaning roller; S3: Cleaning treatment, scrape the oxide layer on the plate synchronously during the pressing process of the cleaning roller.

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