A lithium iron phosphate battery cell tab shaping device

Abstract

This invention relates to the field of electrode tab shaping and discloses a lithium iron phosphate battery cell electrode tab shaping device, which effectively solves the problem that the ends or corners of the electrode tab may be folded, resulting in poor flattening effect. The device includes a fixing frame, with a mounting frame on one side of the fixing frame. A cylinder is mounted on the side of the fixing frame away from the mounting frame, and the output end of the cylinder is fixedly connected to the mounting frame. A flattening component is located on the side of the mounting frame away from the fixing frame. The flattening component includes two horizontal plates symmetrically arranged on the side of the mounting frame away from the fixing frame. In this invention, after the two horizontal plates move towards the electrode tab, two upper and lower flattening rollers press the root of the electrode tab tightly. Simultaneously, first opening scrapers on the upper and lower sides of the electrode tab move towards the end of the electrode tab, and second opening scrapers on the upper and lower sides move towards the two corners of the end of the electrode tab, thereby facilitating the opening of the folded end of the electrode tab and improving the flattening efficiency of the electrode tab.

Description

Technical Field

[0001] This invention belongs to the field of electrode shaping, specifically a device for shaping the electrode tabs of lithium iron phosphate battery cells. Background Technology

[0002] A tab is a raw material used in battery products. The tabs on the positive and negative terminals of a battery are the contact points during charging and discharging. These contact points are not the copper plates visible on the battery's exterior, but rather an internal connection. During the testing of battery cell tabs, unevenness is often encountered, requiring reshaping. According to the patent document with authorization announcement number "CN214133392U" and invention titled "A Battery Cell Tab Shaping Device," the description states that the device comprises a first driving mechanism, a first shaping component, a second driving mechanism, a second shaping component, and a positioning component. The system employs a third driving mechanism and a shaping unit to respectively flatten the positive and negative tabs of the battery cell, replacing manual labor with machines and reducing the intensity of human labor. During the shaping process, the first shaping component is driven by the first driving mechanism to approach the battery cell. When the first shaping component reaches the designated position, the second driving mechanism drives the second shaping component and the positioning component to move closer to the battery cell. The positioning component contacts the battery cell first, allowing the first shaping component and the positioning component to press and hold the battery cell, and also to determine the position of the battery cell. Then, the second shaping component reaches the position where the positive tab of the battery cell can be flattened, thus flattening the positive tab. However, the following defects still exist:

[0003] The tabs may have folded ends or corners. If the tabs are directly squeezed and flattened, the folded parts of the tabs may be pressed tightly, resulting in poor flattening effect. Summary of the Invention

[0004] In order to overcome the shortcomings of the prior art, the present invention provides a lithium iron phosphate battery cell tab shaping device, which effectively solves the problem that the ends or corners of the tabs may be folded, resulting in poor flattening effect.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a lithium iron phosphate battery cell tab shaping device, comprising a fixing frame, a mounting frame on one side of the fixing frame, a cylinder mounted on the side of the fixing frame away from the mounting frame, the output end of the cylinder being fixedly connected to the mounting frame, and a leveling component on the side of the mounting frame away from the fixing frame.

[0006] The leveling assembly includes two horizontal plates symmetrically arranged on the side of the mounting frame away from the fixed frame. A fixed rotating seat is installed on the side of the two horizontal plates that are close to each other and at the end away from the mounting frame. A flattening roller is installed on the fixed rotating seat. A folding opening unit is installed on the horizontal plate. An end flattening unit is installed on the horizontal plate. A connecting drive assembly is installed between the two horizontal plates and the mounting frame.

[0007] Preferably, the folding opening unit includes a moving groove formed on one side of two horizontal plates that are close to each other. Both horizontal plates are provided with straight sliding grooves that extend into the interior of the moving groove. Both horizontal plates are provided with oblique sliding grooves that extend into the interior of the moving groove. The two oblique sliding grooves are symmetrically arranged on both sides of the straight sliding groove.

[0008] Preferably, the movable groove is provided with a first opening scraper inside, and two second opening scrapers are symmetrically arranged on both sides of the first opening scraper. The orientation of the two second opening scrapers is the same as the orientation of the two inclined sliding grooves. A connecting plate is provided on the side of the two horizontal plates that are far apart from each other. A sliding groove is symmetrically opened on the side of the connecting plate near the horizontal plate. A fixing rod is installed at the end of the first opening scraper near the connecting plate. One end of the fixing rod passes through the straight sliding groove and is fixedly connected to the connecting plate. A sliding rod is installed at the end of the second opening scraper near the connecting plate. The sliding rod passes through the inclined sliding groove and is slidably installed inside the sliding groove.

[0009] Preferably, the structure of the first opening scraper is the same as that of the second opening scraper. Both consist of a vertical plate and an inclined scraper. The end of the inclined scraper away from the vertical plate is inclined towards the side away from the flattening roller. The end of the inclined scraper away from the vertical plate is flush with the outer wall of the flattening roller away from the horizontal plate.

[0010] Preferably, the end flattening unit includes side pressure plates symmetrically arranged on both sides of the flattening roller. Each side pressure plate has an arc groove on the side closest to it. The arc of the arc groove is the same as the arc of the outer wall of the flattening roller. The inside of the horizontal plate has a movable groove. The side of the movable groove closest to the flattening roller has a connecting groove symmetrically arranged. Two sliding sleeves are symmetrically slidably installed inside the movable groove. The two sliding sleeves correspond to the two side pressure plates. The inside of the sliding sleeve has a limit groove. The inside of the limit groove has a sliding plate. One end of the sliding plate passes through the connecting groove and is fixedly connected to the side pressure plate. The end of the sliding plate away from the side pressure plate is equipped with a first spring. One end of the first spring is fixedly connected to the inner wall of the limit groove.

[0011] Preferably, racks are installed on the sides of the two sliding sleeves that are close to each other, the toothed sides of the two racks are close to each other, a gear is provided between the two racks, the upper and lower sides of the gear mesh with the two racks respectively, the gear is fixedly connected to the output shaft of the first motor, and the first motor is fixedly installed inside the movable groove.

[0012] Preferably, the connection drive assembly includes connection side plates symmetrically arranged on both sides of the horizontal plate, connection columns symmetrically installed on the side of the connection side plate near the mounting frame, the connection columns being fixedly connected to the mounting frame, a long strip side plate installed on the side of the connection side plate away from the mounting frame, a clamping drive unit installed inside the connection side plate, and a pulling drive unit installed inside the long strip side plate.

[0013] Preferably, the clamping drive unit includes two longitudinal slide grooves symmetrically opened on the side of the connecting side plate near the horizontal plate. The upper and lower longitudinal slide grooves correspond to the upper and lower horizontal plates respectively. A longitudinal slider is slidably installed inside each of the two longitudinal slide grooves. The two longitudinal sliders are fixedly connected to the two horizontal plates respectively. A first connecting slide groove is opened on the side of the longitudinal slide groove away from the horizontal plate. A fixed cylinder is installed on the side of the longitudinal slide groove away from the horizontal plate. The fixed cylinder is located between the two first connecting slide grooves. An internal groove is opened inside the fixed cylinder. Second connecting slide grooves are symmetrically opened on the upper and lower sides of the internal groove. A movable plate is movably installed inside the internal groove. Rotating rods are provided on the upper and lower sides of the movable plate. Two end seats are symmetrically rotatably installed at both ends of the rotating rods. The end seats at one end of the two rotating rods are fixedly connected to the two longitudinal sliders respectively. The end seats at the other end of the two rotating rods are fixedly installed on the upper and lower sides of the movable plate respectively. A second spring is installed on the side of the movable plate away from the horizontal plate. A magnet is installed on the side of the movable plate away from the horizontal plate. An electromagnet is installed at the end of the fixed cylinder away from the horizontal plate. The electromagnet is magnetically connected to the magnet.

[0014] Preferably, the pulling drive unit includes a transverse slide groove inside the elongated side plate, a transverse slider is slidably installed inside the transverse slide groove, guide cylinders are symmetrically installed at the top and bottom of the transverse slider, a guide rod is slidably installed inside the guide cylinder, an end plate is installed at the end of the guide rod away from the transverse slider, the end plate is fixedly installed at the end of the connecting plate, a screw is rotatably installed at the end of the transverse slide groove, one end of the screw is fixedly connected to the output shaft of the second motor, and the second motor is fixedly installed on the connecting side plate.

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] (1) In this invention, after the two horizontal plates move toward the electrode ear, the upper and lower two flattening rollers press the root of the electrode ear tightly. At the same time, the first opening scraper on the upper and lower sides of the electrode ear moves toward the end of the electrode ear, and the second opening scraper on the upper and lower sides moves toward the two corners of the end of the electrode ear, so as to facilitate the opening of the folded position of the end of the electrode ear, thereby facilitating the flattening of the electrode ear and improving the flattening efficiency of the electrode ear.

[0017] (2) The invention presses the root of the electrode ear with two flattening rollers during the movement of the first and second opening scrapers, so that the root of the electrode ear will not break under force when the first and second opening scrapers exert force on the electrode ear, thus improving the protection of the electrode ear. At the same time, after the cylinder is opened, the two flattening rollers move along the electrode ear toward the end of the electrode ear, thus facilitating the flattening of the electrode ear and improving the flattening efficiency of the electrode ear.

[0018] (3) After the flattening roller moves to the end of the electrode ear, the invention controls the two sliding sleeves to move closer to each other, so that the two side pressure plates move toward the flattening roller. When one end of the side pressure plate moves with the outer wall of the flattening roller, the side pressure plate moves along the outer wall of the flattening roller toward the electrode ear until the arc groove on the side pressure plate is in close contact with the outer wall of the flattening roller, so that the two side pressure plates close to each other press the upper and lower sides of the electrode ear end together, further flattening the electrode ear and improving the electrode ear flattening efficiency. Attached Figure Description

[0019] The accompanying drawings are provided to further illustrate the invention and form part of the specification. They are used together with the embodiments of the invention to explain the invention and do not constitute a limitation thereof.

[0020] In the attached diagram:

[0021] Figure 1 This is a schematic diagram of the lithium iron phosphate battery cell tab shaping device of the present invention;

[0022] Figure 2 This is a schematic diagram of the leveling component structure of the present invention;

[0023] Figure 3 This is a schematic diagram of the folding opening unit structure of the present invention;

[0024] Figure 4 This is a schematic diagram of the connecting plate structure of the present invention;

[0025] Figure 5 This is a schematic diagram of the end flattening unit structure of the present invention;

[0026] Figure 6 This is a schematic diagram of the sliding sleeve structure of the present invention;

[0027] Figure 7 This is a schematic diagram of the clamping drive unit structure of the present invention;

[0028] Figure 8 This is a schematic diagram of the pull drive unit structure of the present invention;

[0029] In the diagram: 1. Fixed frame; 2. Mounting frame; 3. Cylinder; 4. Connecting column; 5. Leveling assembly; 501. Horizontal plate; 502. Fixed rotating seat; 503. Flattening roller; 504. Folding opening unit; 5041. Moving groove; 5042. Straight sliding groove; 5043. Slanted sliding groove; 5044. First opening scraper; 5045. Second opening scraper; 5046. Fixed rod; 5047. Sliding rod; 5048. Connecting plate; 5049. Sliding groove; 505. End flattening unit; 5051. Side pressure plate; 5052. Arc groove; 5053. Movable groove; 5054. Connecting through groove; 5055. Sliding sleeve; 5056. Slide plate; 5057. Rack; 5058. Gear; 5059. First motor; 50510 50511. Limiting groove; 6. First spring; 6. Connecting drive assembly; 601. Connecting side plate; 602. Long strip side plate; 603. Clamping drive unit; 6031. Longitudinal slide groove; 6032. Longitudinal slider; 6033. First connecting slide groove; 6034. Fixed cylinder; 6035. Internal groove; 6036. Second connecting slide groove; 6037. Movable plate; 6038. Rotating rod; 6039. End rotating seat; 60310. Second spring; 60311. Magnetic block; 60312. Electromagnet; 604. Pulling drive unit; 6041. Transverse slide groove; 6042. Transverse slider; 6043. Guide cylinder; 6044. Guide rod; 6045. End plate; 6046. Screw; 6047. Second motor. Detailed Implementation

[0030] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0031] Example 1, by Figures 1-8 The present invention includes a fixed frame 1, a mounting frame 2 is provided on one side of the fixed frame 1, a cylinder 3 is installed on the side of the fixed frame 1 away from the mounting frame 2, the output end of the cylinder 3 is fixedly connected to the mounting frame 2, and a leveling component 5 is provided on the side of the mounting frame 2 away from the fixed frame 1.

[0032] The leveling assembly 5 includes two horizontal plates 501 symmetrically arranged on the side of the mounting frame 2 away from the fixed frame 1. A fixed rotating seat 502 is installed on the side of the two horizontal plates 501 that is close to each other and at the end away from the mounting frame 2. A flattening roller 503 is installed on the fixed rotating seat 502. A folding opening unit 504 is installed on the horizontal plate 501. An end flattening unit 505 is installed on the horizontal plate 501. A connecting drive assembly 6 is installed between the two horizontal plates 501 and the mounting frame 2.

[0033] The folding opening unit 504 includes a movable groove 5041 formed on one side of two horizontal plates 501 that are close to each other. Each of the two horizontal plates 501 has a straight sliding groove 5042 that extends into the interior of the movable groove 5041. Each of the two horizontal plates 501 also has symmetrically formed oblique sliding grooves 5043 that extend into the interior of the movable groove 5041. The two oblique sliding grooves 5043 are symmetrically arranged on both sides of the straight sliding grooves 5042. A first opening scraper 5044 is provided inside the movable groove 5041. Two second opening scrapers 5045 are symmetrically arranged on both sides of the first opening scraper 5044. The orientation of the opening scraper 5045 is the same as that of the two inclined slide grooves 5043. A connecting plate 5048 is provided on the side of each of the two horizontal plates 501 that is far apart from each other. A sliding groove 5049 is symmetrically formed on the side of the connecting plate 5048 closest to the horizontal plate 501. A fixing rod 5046 is installed at one end of the first opening scraper 5044 near the connecting plate 5048. One end of the fixing rod 5046 passes through the straight slide groove 5042 and is fixedly connected to the connecting plate 5048. A sliding rod 5047 is installed at one end of the second opening scraper 5045 near the connecting plate 5048. The sliding rod 5047 slides through the inclined slide groove 5043. The first opening scraper 5044, installed inside the sliding groove 5049, has the same structure as the second opening scraper 5045. Both consist of a vertical plate and an inclined scraper. The end of the inclined scraper away from the vertical plate is inclined towards the side away from the flattening roller 503. The end of the inclined scraper away from the vertical plate is flush with the outer wall of the flattening roller 503 away from the horizontal plate 501. After the two horizontal plates 501 move towards the electrode ear, the upper and lower flattening rollers 503 press the root of the electrode ear tightly. At the same time, the first opening scrapers 5044 on the upper and lower sides of the electrode ear move towards the end of the electrode ear, and the second opening scrapers 5045 on the upper and lower sides move towards the end of the electrode ear. The two corners at the end of the electrode tab move, making it easier to open the folded position of the electrode tab end, thus facilitating the flattening of the electrode tab and improving the flattening efficiency. During the movement of the first opening scraper 5044 and the second opening scraper 5045, the upper and lower flattening rollers 503 press the root of the electrode tab tightly, ensuring that the root of the electrode tab will not break under stress when the first opening scraper 5044 and the second opening scraper 5045 exert force on the electrode tab, thereby improving the protection of the electrode tab. At the same time, after the cylinder 3 is opened, the two flattening rollers 503 move along the electrode tab toward the end of the electrode tab, thus facilitating the flattening of the electrode tab and improving the flattening efficiency of the electrode tab.

[0034] The end flattening unit 505 includes side pressure plates 5051 symmetrically arranged on both sides of the flattening roller 503. Each side pressure plate 5051 has an arc groove 5052 on its side closest to each other. The arc of the arc groove 5052 is the same as the arc of the outer wall of the flattening roller 503. A movable groove 5053 is provided inside the horizontal plate 501. A connecting through groove 5054 is symmetrically provided on the side of the movable groove 5053 closest to the flattening roller 503. Two sliding sleeves 5055 are symmetrically slidably installed inside the movable groove 5053. Two sliding sleeves 5055 correspond to two side pressure plates 5051. A limiting groove 50510 is formed inside the sliding sleeve 5055. A sliding plate 5056 is slidably installed inside the limiting groove 50510. One end of the sliding plate 5056 passes through a connecting groove 5054 and is fixedly connected to the side pressure plate 5051. A first spring 50511 is installed at the end of the sliding plate 5056 away from the side pressure plate 5051. One end of the first spring 50511 is fixedly connected to the inner wall of the limiting groove 50510. Each sliding sleeve 5055 has a rack 5057 mounted on one side close to each other. The toothed sides of the two racks 5057 are positioned close to each other, and a gear 5058 is provided between the two racks 5057. The upper and lower sides of the gear 5058 mesh with the two racks 5057 respectively. The gear 5058 is fixedly connected to the output shaft of the first motor 5059. The first motor 5059 is fixedly installed inside the movable groove 5053. After the flattening roller 503 moves to the end of the pole lug, it controls the two sliding sleeves 5055... The two side pressure plates 5051 move closer to each other, causing them to move toward the flattening roller 503. When one end of the side pressure plate 5051 moves along the outer wall of the flattening roller 503, the side pressure plate 5051 moves toward the electrode ear along the outer wall of the flattening roller 503 until the arc groove 5052 on the side pressure plate 5051 is in close contact with the outer wall of the flattening roller 503. This causes the two side pressure plates 5051 to press the upper and lower sides of the electrode ear together, further flattening the electrode ear and improving the flattening efficiency of the electrode ear.

[0035] The connecting drive assembly 6 includes connecting side plates 601 symmetrically arranged on both sides of the horizontal plate 501. Connecting columns 4 are symmetrically installed on the side of the connecting side plate 601 near the mounting frame 2. The connecting columns 4 are fixedly connected to the mounting frame 2. A long strip side plate 602 is installed on the side of the connecting side plate 601 away from the mounting frame 2. A clamping drive unit 603 is installed inside the connecting side plate 601. A pulling drive unit 604 is installed inside the long strip side plate 602.

[0036] The clamping drive unit 603 includes two longitudinal slide grooves 6031 symmetrically formed on the side of the connecting side plate 601 near the horizontal plate 501. The upper and lower longitudinal slide grooves 6031 correspond to the upper and lower horizontal plates 501, respectively. A longitudinal slider 6032 is slidably installed inside each of the two longitudinal slide grooves 6031. The two longitudinal sliders 6032 are fixedly connected to the two horizontal plates 501, respectively. A first connecting slide groove 6033 is formed on the side of the longitudinal slide groove 6031 away from the horizontal plate 501. A fixing cylinder 6034 is installed on the side of the longitudinal slide groove 6031 away from the horizontal plate 501, located between the two first connecting slide grooves 6033. An internal groove 6035 is formed inside the fixing cylinder 6034. Second connecting slide grooves 6036 are symmetrically formed on the upper and lower sides of the internal groove 6035. A movable plate 6037 is movably installed inside the groove 6035. Rotating rods 6038 are provided on both the upper and lower sides of the movable plate 6037. Two end seats 6039 are symmetrically mounted at both ends of the rotating rods 6038. One end seat 6039 of each rotating rod 6038 is fixedly connected to two longitudinal sliders 6032, and the other end seat 6039 of each rotating rod 6038 is fixedly mounted on the upper and lower sides of the movable plate 6037. A second spring 60310 is installed on the side of the movable plate 6037 away from the horizontal plate 501, and a magnetic block 60311 is installed on the side of the movable plate 6037 away from the horizontal plate 501. An electromagnet 60312 is installed on the end of the fixed cylinder 6034 away from the horizontal plate 501, and the electromagnet 60312 is magnetically connected to the magnetic block 60311.

[0037] The pull drive unit 604 includes a transverse slide groove 6041 opened inside the elongated side plate 602. A transverse slider 6042 is slidably installed inside the transverse slide groove 6041. Guide cylinders 6043 are symmetrically installed at the top and bottom ends of the transverse slider 6042. A guide rod 6044 is slidably installed inside the guide cylinder 6043. An end plate 6045 is installed at the end of the guide rod 6044 away from the transverse slider 6042. The end plate 6045 is fixedly installed at the end of the connecting plate 5048. A screw 6046 is rotatably installed at the end of the transverse slide groove 6041. One end of the screw 6046 is fixedly connected to the output shaft of the second motor 6047. The second motor 6047 is fixedly installed on the connecting side plate 601.

[0038] Working principle: When in use, the tabs on the battery cell are positioned between the two horizontal plates 501. The cylinder 3 is activated to move the mounting bracket 2 toward the tabs, causing the two horizontal plates 501 to move to the upper and lower sides of the tabs. Then, after the two electromagnets 60312 are energized, they attract the two magnetic blocks 60311 respectively, thereby driving the movable plate 6037 to move away from the horizontal plates 501. Then, through the rotation of the rotating rod 6038, the two longitudinal sliders 6032 are driven to move closer to each other, which in turn drives the two horizontal plates 501 to move closer to each other until the upper and lower pressing rollers 503 contact the upper and lower sides of the tabs, so that the two pressing rollers 503 clamp and fix the root of the tabs.

[0039] At this time, the inclined ends of the second opening scrapers 5045 of the first opening scrapers 5044 on both the upper and lower sides contact the electrode ears. When the second motor 6047 is turned on, the screw 6046 rotates. Since the screw 6046 is threadedly connected to the transverse slider 6042, it drives the transverse slider 6042 to move towards the connecting side plate 601. Then, through the guide cylinder 6043 and the guide rod 6044, it drives the two connecting plates 5048 to move towards the mounting bracket 2, and then pushes the first opening scraper 5044 to move along the straight slide groove 5042 towards the end of the electrode ear. The second opening scraper 5045 moves along the inclined slide 5043 toward the two corners of the end of the electrode ear, thereby opening the folded part of the end of the electrode ear to facilitate the flattening of the electrode ear. After the first opening scraper 5044 and the second opening scraper 5045 move to the end of the electrode ear, the second motor 6047 is turned off. At this time, the end of the electrode ear is pressed by the pressure of the first opening scraper 5044 and the second opening scraper 5045 on the upper and lower sides. During the movement, the two flattening rollers 503 clamp the root of the electrode ear, thereby reducing the possibility of electrode ear breakage.

[0040] After a period of time, under pressure, the end of the electrode tab no longer folds over. At this time, the cylinder 3 is opened, causing the output end of the cylinder 3 to retract, causing the flattening roller 503 to move continuously on the surface of the electrode tab toward the end of the electrode tab, so that the two flattening rollers 503 flatten the electrode tab as a whole, improving the flattening effect.

[0041] When the flattening roller 503 moves to the end of the pole lug, the first motor 5059 is turned on, causing the gear 5058 to rotate. The gear 5058 meshes with the rack 5057 on the two sliding sleeves 5055, thereby driving the two sliding sleeves 5055 to move closer to each other. This causes the two side pressure plates 5051 to move towards the flattening roller 503. When one end of the side pressure plate 5051 moves against the outer wall of the flattening roller 503, the sliding plate 5056 on the side pressure plate 5051 is slidably mounted on the... Inside the limiting groove 50510, the side pressure plate 5051 moves along the outer wall of the flattening roller 503 toward the electrode ear until the arc groove 5052 on the side pressure plate 5051 is in close contact with the outer wall of the flattening roller 503. At this time, the end of the side pressure plate 5051 away from the horizontal plate 501 is flush with the outer wall of the flattening roller 503 away from the horizontal plate 501, so that the ends of the upper and lower side pressure plates 5051 that are close to each other press the upper and lower sides of the electrode ear end, further flattening the electrode ear.

Claims

1. A lithium iron phosphate battery cell tab shaping device, comprising a fixing frame (1), characterized in that: The mounting bracket (2) is provided on one side of the fixed frame (1), and a cylinder (3) is installed on the side of the fixed frame (1) away from the mounting bracket (2). The output end of the cylinder (3) is fixedly connected to the mounting bracket (2), and a leveling component (5) is provided on the side of the mounting bracket (2) away from the fixed frame (1). The leveling assembly (5) includes two horizontal plates (501) symmetrically arranged on the side of the mounting frame (2) away from the fixed frame (1). A fixed rotating seat (502) is installed on the side of the two horizontal plates (501) that is close to each other and at the end away from the mounting frame (2). A flattening roller (503) is installed on the fixed rotating seat (502). A folding opening unit (504) is installed on the horizontal plate (501). An end flattening unit (505) is installed on the horizontal plate (501). A connecting drive assembly (6) is installed between the two horizontal plates (501) and the mounting frame (2). The folding opening unit (504) includes a movable groove (5041) formed on one side of two horizontal plates (501) that are close to each other. Each of the two horizontal plates (501) has a straight sliding groove (5042) that extends into the interior of the movable groove (5041). Each of the two horizontal plates (501) also has symmetrically formed oblique sliding grooves (5043) that extend into the interior of the movable groove (5041). 43) Symmetrically arranged on both sides of the straight slide groove (5042), the inside of the moving groove (5041) is provided with a first opening scraper (5044), and two second opening scrapers (5045) are symmetrically arranged on both sides of the first opening scraper (5044). The orientation of the two second opening scrapers (5045) is the same as that of the two inclined slide grooves (5043). A connecting plate (5048) is provided on the side of the two horizontal plates (501) that are far apart from each other. (5048) A sliding groove (5049) is symmetrically provided on one side near the horizontal plate (501). A fixing rod (5046) is installed at one end of the first opening scraper (5044) near the connecting plate (5048). One end of the fixing rod (5046) passes through the straight sliding groove (5042) and is fixedly connected to the connecting plate (5048). A sliding rod (5047) is installed at one end of the second opening scraper (5045) near the connecting plate (5048). 5047) is slidably installed inside the sliding groove (5049) through the inclined sliding groove (5043). The structure of the first opening scraper (5044) is the same as that of the second opening scraper (5045). Both are composed of a vertical plate and an inclined scraper. The end of the inclined scraper away from the vertical plate is inclined towards the side away from the flattening roller (503). The end of the inclined scraper away from the vertical plate is flush with the outer wall of the flattening roller (503) away from the horizontal plate (501). The end flattening unit (505) includes side pressure plates (5051) symmetrically arranged on both sides of the flattening roller (503). Each side pressure plate (5051) has an arc groove (5052) on its side closest to the other. The arc of the arc groove (5052) is the same as the arc of the outer wall of the flattening roller (503). A movable groove (5053) is provided inside the horizontal plate (501). A connecting through groove (5054) is symmetrically provided on the side of the movable groove (5053) closest to the flattening roller (503). Two sliding sleeves (5055) are symmetrically slidably installed inside the movable groove (5053). The two sliding sleeves (5055) correspond to the two side pressure plates (5051). A limiting groove (50510) is provided inside the sliding sleeve (5055). A sliding plate (5056) is slidably installed inside the limiting groove (50510). One end of the plate (5056) passes through the connecting groove (5054) and is fixedly connected to the side pressure plate (5051). The end of the slide plate (5056) away from the side pressure plate (5051) is equipped with a first spring (50511). One end of the first spring (50511) is fixedly connected to the inner wall of the limiting groove (50510). Two slide sleeves (5055) are each equipped with a rack (5057) on the side close to each other. The toothed sides of the two racks (5057) are arranged close to each other. A gear (5058) is provided between the two racks (5057). The upper and lower sides of the gear (5058) mesh with the two racks (5057) respectively. The gear (5058) is fixedly connected to the output shaft of the first motor (5059). The first motor (5059) is fixedly installed inside the movable groove (5053).

2. The lithium iron phosphate battery cell tab shaping device according to claim 1, characterized in that: The connection drive assembly (6) includes connection side plates (601) symmetrically arranged on both sides of the horizontal plate (501). A connection post (4) is symmetrically installed on the side of the connection side plate (601) near the mounting frame (2). The connection post (4) is fixedly connected to the mounting frame (2). A long strip side plate (602) is installed on the side of the connection side plate (601) away from the mounting frame (2). A clamping drive unit (603) is installed inside the connection side plate (601). A pulling drive unit (604) is installed inside the long strip side plate (602).

3. The lithium iron phosphate battery cell tab shaping device according to claim 2, characterized in that: The clamping drive unit (603) includes two longitudinal slide grooves (6031) symmetrically opened on the side of the connecting side plate (601) near the horizontal plate (501). The upper and lower longitudinal slide grooves (6031) correspond to the upper and lower horizontal plates (501) respectively. A longitudinal slider (6032) is slidably installed inside each of the two longitudinal slide grooves (6031). The two longitudinal sliders (6032) are fixedly connected to the two horizontal plates (501) respectively. A first connecting slide groove (6033) is opened on the side of the longitudinal slide groove (6031) away from the horizontal plate (501). A fixing cylinder (6034) is installed on the side of the longitudinal slide groove (6031) away from the horizontal plate (501). The fixing cylinder (6034) is located between the two first connecting slide grooves (6033). An internal groove (6035) is opened inside the fixing cylinder (6034). A second connecting slide groove (6036) is symmetrically opened on the upper and lower sides of the internal groove (6035). A movable plate (6037) is movably installed inside the groove (6035). Rotating rods (6038) are provided on both the upper and lower sides of the movable plate (6037). Two end seats (6039) are symmetrically mounted at both ends of the rotating rods (6038). The end seat (6039) at one end of each rotating rod (6038) is fixedly connected to two longitudinal sliders (6032), and the end seat (6039) at the other end of each rotating rod (6038) is fixedly connected to... 9) The upper and lower sides of the movable plate (6037) are fixedly installed respectively. A second spring (60310) is installed on the side of the movable plate (6037) away from the horizontal plate (501). A magnetic block (60311) is installed on the side of the movable plate (6037) away from the horizontal plate (501). An electromagnet (60312) is installed at the end of the fixed cylinder (6034) away from the horizontal plate (501). The electromagnet (60312) is magnetically connected to the magnetic block (60311).

4. The lithium iron phosphate battery cell tab shaping device according to claim 2, characterized in that: The pull drive unit (604) includes a transverse slide groove (6041) opened inside the elongated side plate (602). A transverse slider (6042) is slidably installed inside the transverse slide groove (6041). Guide cylinders (6043) are symmetrically installed at the top and bottom of the transverse slider (6042). A guide rod (6044) is slidably installed inside the guide cylinder (6043). An end plate (6045) is installed at the end of the guide rod (6044) away from the transverse slider (6042). The end plate (6045) is fixedly installed at the end of the connecting plate (5048). A screw (6046) is rotatably installed at the end of the transverse slide groove (6041). One end of the screw (6046) is fixedly connected to the output shaft of the second motor (6047). The second motor (6047) is fixedly installed on the connecting side plate (601).

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