Fully automatic pressure forming line

Abstract

The present invention discloses a fully automatic pressure forming line, comprising: a cache loading mechanism, a transfer trolley mechanism, a forming fixture mechanism, a cold pressing fixture mechanism, a cache unloading mechanism and a reflux cache mechanism. The present invention loads the battery core from the blister box onto the forming tray through the cache loading mechanism, and then the transfer trolley mechanism transports the forming tray to the forming cabinet for forming. After the forming is completed, the transfer trolley mechanism transports the formed tray to the cache unloading mechanism, the cache unloading mechanism removes the formed battery core from the forming tray and stores it in an empty blister box, and the reflux cache mechanism transports the empty forming tray to the cache loading mechanism. The above is the entire workflow of the fully automatic pressure forming line. In the entire process, only one staff member is needed to carry the blister box, the degree of automation is high, manpower is greatly saved, and it is suitable for mass production.

Description

Technical Field

[0001] The invention relates to the field of battery manufacturing, and in particular to a fully automatic pressure forming line. Background Art

[0002] The production of batteries includes the manufacture of tabs, battery assembly, and the final filling, sealing, formation, and aging processes. Each process will have a great impact on the final performance of the battery. The process of activating the positive and negative electrode materials inside the battery cell through a certain charging and discharging method to improve the battery cell's charging and discharging performance and self-discharge, storage and other comprehensive performance is called formation. The formation of the battery cell is the initialization of the battery, which activates the active materials of the battery cell, that is, an energy conversion process.

[0003] Formation is an important process in the battery processing. At present, the battery cells are generally formed manually by first clamping the assembled battery cells one by one on the clamps of the formation tray, and then placing the formation tray with the clamped battery cells in the formation cabinet until the formation cabinet is full, and then the formation cabinet will form the battery cells. This whole process requires a lot of manpower, high labor costs, and low efficiency, which is not suitable for mass production.

[0004] Therefore, the prior art has defects and needs to be improved. Summary of the invention

[0005] The purpose of the present invention is to overcome the deficiencies of the prior art and provide a fully automatic pressure forming line, which can automatically load battery cells into a forming cabinet for forming, thereby saving labor.

[0006] The technical solution of the present invention is as follows: a fully automatic pressure forming line is provided, comprising: a buffer loading mechanism, a transfer trolley mechanism arranged beside the buffer loading mechanism, a forming fixture mechanism arranged beside the transfer trolley mechanism, a cold pressing fixture mechanism arranged beside the forming fixture mechanism, a buffer unloading mechanism arranged beside the transfer trolley mechanism, and a reflux buffer mechanism arranged between the buffer loading mechanism and the buffer unloading mechanism;

[0007] The cache loading mechanism comprises: a feeding mechanism, a loading mechanism arranged beside the feeding mechanism, and a cache mechanism arranged on the loading mechanism;

[0008] The transfer trolley mechanism comprises: a slide rail parallel to the formation fixture mechanism, a feeding mechanism arranged on the slide rail, and a receiving mechanism arranged in parallel with the feeding mechanism;

[0009] The buffer unloading mechanism comprises: an unloading mechanism, an unloading mechanism arranged beside the unloading mechanism, and a buffer mechanism arranged on the unloading mechanism.

[0010] Further, the feeding mechanism includes: a blister box loading mechanism, a lifting platform lifting mechanism arranged below the blister box loading mechanism, a blister box transplanting mechanism arranged above the blister box loading mechanism, and a first robot mechanism arranged beside the blister box loading mechanism;

[0011] The feeding mechanism comprises: a tray conveying mechanism, a feeding and clamping mechanism disposed above the tray conveying mechanism, a tab arranging mechanism disposed beside the tray conveying mechanism, and a second robot mechanism disposed beside the tab arranging mechanism and the tray conveying mechanism;

[0012] The cache unloading mechanism is arranged beside the cache loading mechanism, the unloading mechanism has the same structure as the feeding mechanism, and the unloading mechanism has the same structure as the loading mechanism.

[0013] Further, the cache mechanism comprises: a left cache component, a right cache component arranged on the opposite side of the left cache component, and a cache lifting cylinder arranged on the left cache component and the right cache component;

[0014] The left cache assembly and the right cache assembly include: a bracket, an up-and-down moving assembly arranged on the bracket and connected to the cache lifting cylinder, a first clamping assembly arranged on the up-and-down moving assembly, and a second clamping assembly arranged on the bracket and located on both sides of the first clamping assembly.

[0015] Furthermore, the feeding mechanism has the same structure as the receiving mechanism, and the feeding mechanism includes: a transplanting frame, a first screw feeding mechanism arranged on the transplanting frame, a second screw feeding mechanism arranged on the top of the transplanting frame, a top end of the first screw feeding mechanism and a bottom end of the second screw feeding mechanism arranged on the upper and lower material push-pull rods, and a feeding and discharging motor mechanism arranged on the transplanting frame;

[0016] The transplanting frame comprises: a frame frame, a plurality of first guide wheel assemblies arranged on the frame frame, and a second guide wheel assembly arranged opposite to the first guide wheel assembly;

[0017] The first screw feeding mechanism and the second screw feeding mechanism include: a guide rail slider combination, a slider mounting plate arranged on the guide rail slider combination, a screw nut combination connected to the slider mounting plate and the feed and discharge motor mechanism, and a screw feeding assembly arranged on the top surface of the slider mounting plate. The feed and discharge motor mechanism drives the screw nut combination to rotate, thereby driving the slider mounting plate to move forward and backward. The screw feeding assembly includes: a cylinder, a cylinder connecting block connected to the cylinder, and a shaft mounting block arranged on the cylinder connecting block. The upper and lower material push-pull rods are connected to the shaft mounting block, and the cylinder drives the cylinder connecting block to move left and right.

[0018] Furthermore, the feeding mechanism and the discharging mechanism both include a first station, a second station and a third station, and the first station, the second station and the third station are each provided with a blister box loading mechanism, and the blister box loading mechanism includes: a blister box bottom plate, limiting columns arranged around the blister box bottom plate, and a handle arranged on the blister box bottom plate.

[0019] Furthermore, the reflux buffer mechanism comprises: an empty disk buffer mechanism and a reflux pull belt mechanism disposed below the empty disk buffer mechanism;

[0020] The empty disk cache mechanism comprises: an empty disk cache rack, a motor synchronous belt assembly arranged on both side walls of the empty disk cache rack from top to bottom, and a plurality of cache sheet metals arranged on the motor synchronous belt assembly;

[0021] The reflux belt pulling mechanism comprises: a conveyor belt and a lifting component arranged below the conveyor belt.

[0022] Furthermore, the pallet conveying mechanism includes: a feeding conveyor line, a clamping and lifting mechanism arranged below the feeding conveyor line, a cache lifting mechanism arranged below the feeding conveyor line, and a reflux lifting mechanism arranged next to the reflux pull belt mechanism. The feeding and clamping mechanism is located above the clamping and lifting mechanism, and the cache mechanism is located above the cache lifting mechanism.

[0023] Further, the tab arrangement mechanism includes: a mounting plate, a cell placement platform provided on the mounting plate, a first visual inspection system provided on the cell placement platform, a tab shaping assembly provided next to the first visual inspection system, a tab flattening assembly provided next to the cell placement platform and next to the tab shaping assembly, a second visual inspection system provided next to the tab flattening assembly, and a cell transport assembly provided on the cell placement platform;

[0024] The tab shaping assembly comprises: a first horizontal displacement assembly, a first cylinder mounting plate arranged on the first horizontal displacement assembly, a first thin-claw cylinder arranged on the first cylinder mounting plate, and a first pressing block arranged on two slides of the first thin-claw cylinder;

[0025] The tab flattening assembly includes: a second horizontal displacement assembly, a second cylinder mounting plate arranged on the second horizontal displacement assembly, a second thin-claw cylinder arranged on the second cylinder mounting plate, and a second pressing block arranged on two slides of the second thin-claw cylinder.

[0026] Furthermore, the feeding and clamping mechanism comprises: a motor synchronous belt conveying assembly, a clamping cylinder mounting plate arranged on the motor synchronous belt conveying assembly, and a plurality of clamping cylinders arranged on the clamping cylinder mounting plate.

[0027] Furthermore, the formation fixture mechanism comprises: a tray mechanism, a base disposed at the bottom of the tray mechanism, a driving mechanism disposed on the base, and a counterweight mechanism disposed on both sides of the tray mechanism;

[0028] The tray mechanism comprises a plurality of formation trays stacked from bottom to top, each tray is provided with movable bolts on both sides, and each formation tray is provided with an L-shaped groove;

[0029] The counterweight mechanism includes: a guide support, a plurality of weight guide shafts arranged on the guide support, a plurality of weights sleeved on the weight guide shafts, a steel wire rope having one end connected to the weights and the other end connected to a live bolt, and a plurality of pulley bearings arranged on the top of the guide support, wherein the steel wire rope passes around the pulley bearings and is connected to the formation tray.

[0030] Adopting the above scheme, the present invention loads the battery core from the blister box onto the formation tray through the buffer loading mechanism, and then the transfer trolley mechanism transports the formation tray to the formation cabinet for formation. After the formation is completed, the transfer trolley mechanism transports the formation tray after the formation is completed to the buffer unloading mechanism, the buffer unloading mechanism removes the battery core after the formation is completed from the formation tray and stores it in an empty blister box, and the reflux buffer mechanism transports the empty formation tray to the buffer loading mechanism. The above is the entire workflow of the fully automatic pressure formation line. In the whole process, only one staff member is needed to carry the blister box, the degree of automation is high, manpower is greatly saved, and it is suitable for mass production. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0032] Figure 2 It is a structural schematic diagram of the buffer feeding mechanism of the present invention.

[0033] Figure 3 It is a structural schematic diagram of the feeding mechanism of the present invention.

[0034] Figure 4 It is a structural schematic diagram of the demoulding compatible mechanism of the present invention.

[0035] Figure 5 It is a structural schematic diagram of the demoulding rotary shaft mechanism of the present invention.

[0036] Figure 6 It is a structural schematic diagram of the feeding mechanism of the present invention.

[0037] Figure 7 It is a structural schematic diagram of the pallet conveying mechanism of the present invention.

[0038] Figure 8 It is a structural schematic diagram of the feeding and clamping mechanism of the present invention.

[0039] Fig. 9 The structure of the tab arrangement mechanism of the present invention is shown in FIG. Figure 1 .

[0040] Fig.10 The structure of the tab arrangement mechanism of the present invention is shown in FIG. Figure 2 .

[0041] Fig.11 It is a structural schematic diagram of the cache mechanism of the present invention.

[0042] Fig.12 It is a structural schematic diagram of the formation clamp mechanism of the present invention.

[0043] Fig.13 It is a structural schematic diagram of the counterweight mechanism of the present invention.

[0044] Fig.14 It is a structural schematic diagram of the transplanting trolley mechanism of the present invention.

[0045] Fig.15 It is a schematic structural diagram of the first screw feeding mechanism and the second screw feeding mechanism of the present invention.

[0046] Fig.16 It is a schematic diagram of the mechanism of the reflux buffer mechanism of the present invention.

[0047] Fig.17 It is a structural schematic diagram of the buffer feeding mechanism of the present invention.

[0048] Fig.18 It is a structural schematic diagram of the formation tray of the present invention. DETAILED DESCRIPTION

[0049] The present invention is described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0050] See also Figure 1 The present invention provides a fully automatic pressure forming line, comprising: a cache loading mechanism 1, a transfer trolley mechanism 2 arranged beside the cache loading mechanism 1, a forming fixture mechanism 3 arranged beside the transfer trolley mechanism 2, a cold pressing fixture mechanism 4 arranged beside the forming fixture mechanism 3, a cache unloading mechanism 5 arranged beside the transfer trolley mechanism 2, and a reflux cache mechanism 6 arranged between the cache loading mechanism 1 and the cache unloading mechanism 5.

[0051] See also Figure 2 The cache loading mechanism 1 includes: a feeding mechanism 11, a loading mechanism 12 arranged beside the feeding mechanism 11, and a cache mechanism 13 arranged on the loading mechanism 12.

[0052] See also Figure 3The feeding mechanism 11 includes: a blister box loading mechanism 14, a lifting platform lifting mechanism 15 arranged below the blister box loading mechanism 14, a blister box transplanting mechanism 16 arranged above the blister box loading mechanism 14, and a first robot mechanism 17 arranged beside the blister box loading mechanism 14. The first robot mechanism 17 is provided with a suction cup for sucking the battery core.

[0053] The feeding mechanism 11 is provided with a first station 111, a second station 112 and a third station 113, wherein the first station 111 is an empty box placement position, the second station 112 is a manual loading position, and the third station 113 is a robot loading position. The first station 111, the second station 112 and the third station 113 are all provided with a blister box loading mechanism 14, wherein the blister box loading mechanism 14 comprises: a blister box bottom plate 141, a limiting column 142 arranged around the blister box bottom plate 141, and a handle 143 arranged on the blister box bottom plate 141, wherein the handle 143 facilitates manual advancement and removal of the blister box. The blister box is placed in the middle of the limiting column 142, and the limiting column 142 fixes the blister box. A lifting platform lifting mechanism 15 is provided below the first station 111, the second station 112 and the third station 113, wherein the lifting platform lifting mechanism 15 is composed of a motor, a screw rod and a nut. The feeding mechanism 11 also includes a smooth bar mechanism 18 disposed below the blister box bottom plate 141, and the smooth bar mechanism 18 includes: side guide plates disposed on both sides of the blister box bottom plate 141, a smooth bar mounting plate disposed below the blister box bottom plate 141, a plurality of rollers disposed on the smooth bar mounting plate, and a bearing disposed on the blister box bottom plate and in contact with the side guide plates. The smooth bar mechanism makes it easier to push and remove the blister box loading mechanism, and facilitates pushing and removing the blister box loading mechanism 14.

[0054] See also Figure 4 and Figure 5 The feeding mechanism 11 also includes a demoulding compatible mechanism, which includes a demoulding swivel mechanism 19 arranged on both sides of the blister box loading mechanism 14, and the demoulding swivel mechanism 19 includes: a demoulding mounting plate 191, a demoulding rotating rod 192 arranged on the demoulding mounting plate 191, a demoulding shaft connecting block 193 arranged on the demoulding rotating rod 192, a demoulding cylinder 194 arranged below the demoulding rotating rod 192 and connected to the demoulding shaft connecting block 193, a plurality of clamping claw connecting rods 195 arranged on the demoulding rotating rod 192, and a demoulding claw 196 arranged on the clamping claw connecting rod 195. The demoulding cylinder 194 pushes the demoulding rotating rod 192 upward to rotate, driving the demoulding claw 196 to rotate upward, thereby peeling off the uppermost blister box, making it convenient for the suction cup to absorb the uppermost blister box.

[0055] The blister tray transplanting mechanism 16 includes: two synchronous belts set up in parallel, a motor driving the synchronous belts to rotate, a lifting cylinder 161 arranged on the synchronous belts, a suction cup mounting plate arranged on the lifting cylinder 161, and a plurality of suction cups 162 arranged on the suction cup mounting plate, and the suction cups 162 are used to suck the blister boxes.

[0056] The working principle of the feeding mechanism 11 is as follows:

[0057] First, the battery cells to be processed are placed manually in an empty blister box, and then the stacked blister boxes are placed on the second station 112. The blister box transfer mechanism 16 transports the blister boxes on the second station 112 to the third station 113, one tray at a time, and then the lifting platform lifting mechanism 15 lifts the blister boxes on the second station 112 and the third station 113 to the working position. The first robot mechanism 17 transports the battery cells in the blister boxes of the third station 113 to the loading mechanism 12. When the blister boxes on the top layer of the third station 113 are sucked, the blister box transfer mechanism 16 transports the blister boxes on the top layer of the third station 113 to the first station 111 for placement, and then transports the blister boxes in the second station 112 to the third station 113 for loading, and the cycle continues. When the battery cells in the second station 112 are loaded, they are added manually.

[0058] See also Figure 6 The loading mechanism 12 includes: a tray conveying mechanism 71, a loading and clamping mechanism 72 disposed above the tray conveying mechanism 71, a tab arrangement mechanism 73 disposed beside the tray conveying mechanism 71, and a second robot mechanism 74 disposed beside the tab arrangement mechanism 73 and the tray conveying mechanism 71. The second robot mechanism 74 is provided with a suction cup for sucking the battery cell.

[0059] See also Figure 7 The tray conveying mechanism 71 includes: a feeding conveying line 711, a clamping and lifting mechanism 712 disposed below the feeding conveying line 711, a buffer lifting mechanism 713 disposed below the feeding conveying line 711, and a return lifting mechanism 714 disposed beside the return belt mechanism 62. The feeding and clamping mechanism 72 is located above the clamping and lifting mechanism 712, and the buffer mechanism 13 is located above the buffer lifting mechanism 713.

[0060] See also Figure 8 The feeding and clamping mechanism 72 includes: a motor synchronous belt conveying assembly 721, a clamping cylinder mounting plate 722 arranged on the motor synchronous belt conveying assembly 721, and a plurality of clamping cylinders 723 arranged on the clamping cylinder mounting plate 722.

[0061] See also Fig. 9 and Fig.10Since the tabs on the battery cell are in the form of thin sheets, they are prone to deformation such as bending that affects flatness during production and transportation, so that the tabs are not on the same horizontal plane or the spacing between the tabs is not the standard spacing. If it does not meet the standard, the battery cell cannot be loaded into the clamp of the formation tray. Therefore, the present invention is provided with a tab arrangement mechanism 73 for arranging the tabs. The tab arrangement mechanism 73 includes: a mounting plate, a battery cell placement table 731 arranged on the mounting plate, a first visual inspection system 732 arranged on the battery cell placement table 731, a tab shaping component 733 arranged next to the first visual inspection system 732, a tab flattening component 734 arranged next to the battery cell placement table 731 and located next to the tab shaping component 733, a second visual inspection system 735 arranged next to the tab flattening component 734, and a battery cell transporting component 736 arranged on the battery cell placement table 731.

[0062] The tab shaping assembly 733 includes: a first horizontal displacement assembly 7331, a first cylinder mounting plate disposed on the first horizontal displacement assembly 7331, a first thin-claw cylinder 7332 disposed on the first cylinder mounting plate, and a first pressing block 7333 disposed on two slides of the first thin-claw cylinder 7332. When shaping the tab, the first horizontal displacement assembly 7331 drives the first pressing block to approach the tab until the tab is located between the two first pressing blocks 7333, and the two first pressing blocks 7333 clamp the tab. While clamping the tab, the first horizontal displacement assembly 7331 drives the first pressing block 7333 to retreat, thereby straightening the tab, and then the two slides drive the first pressing block 7333 to separate. This is the process of tab shaping, which can be repeated multiple times, depending on the actual situation.

[0063] The pole ear flattening assembly 734 includes: a second horizontal displacement assembly 7341, a second cylinder mounting plate disposed on the second horizontal displacement assembly 7341, a second thin claw cylinder 7342 disposed on the second cylinder mounting plate, and a second pressing block 7343 disposed on the two slides of the second thin claw cylinder 7342. When flattening the pole ear, the second horizontal displacement assembly 7341 drives the second pressing block 7343 to approach the pole ear until the pole ear is located between the two second pressing blocks 7343, and then the pole ear is flattened by closing and separating the two second pressing blocks 7343. This is the process of flattening the pole ear, and the process can be repeated multiple times, depending on the actual situation. It should be noted that when the two first pressing blocks 7333 and the two second pressing blocks 7343 clamp the pole ear, it is necessary to ensure that the pole ear is in a horizontal position and cannot be bent.

[0064] The battery cell transporting assembly 736 includes: a third horizontal shift assembly 7361 arranged on the battery cell placement table, a first vertical shift assembly 7362 arranged on the third horizontal shift assembly 7361, a first suction cup mounting plate 7363 arranged on the first vertical shift assembly 7362, a first pad arranged on the first suction cup mounting plate 7363, a first suction cup arranged on the first suction cup mounting plate 7363 and passing through the first pad, a second vertical shift assembly 7364 arranged on the third horizontal shift assembly 7361, a second suction cup mounting plate 7365 arranged on the second vertical shift assembly 7364, a second pad arranged on the second suction cup mounting plate 7365, and a second suction cup arranged on the second suction cup mounting plate and passing through the second pad. The first horizontal shift assembly 7331, the second horizontal shift assembly 7341, the third horizontal shift assembly 7361, the first vertical shift assembly 7362 and the second vertical shift assembly 7364 are all shifted by cylinder drive.

[0065] The working principle of the tab arrangement mechanism 73 is as follows:

[0066] The first robot mechanism 17 transports the battery cells from the feeding mechanism 11 to the battery cell placement table 731, and the first visual inspection system 732 is used to detect whether the tabs of the incoming battery cells meet the sorting standards. If they meet the standards, the battery cell transport component 736 transports the battery cells to the tab shaping component 733 for tab shaping. After the shaping is completed, the battery cell transport component 736 transports the shaped battery cells to the tab flattening component 734 for tab flattening, and the second visual inspection system 735 inspects the battery cells to detect whether the tabs of the sorted battery cells meet the specified standards to ensure that the battery cells can be accurately loaded into the clamps.

[0067] An NG pull belt 75 is provided next to the tab arrangement mechanism 73 . If the battery cell detected by the second visual inspection system 735 is unqualified, the second robot mechanism 74 places the unqualified product on the NG pull belt 75 .

[0068] The working principle of the entire feeding mechanism 12 is as follows:

[0069] The first robot mechanism 17 transports the battery cell from the feeding mechanism 11 to the tab arrangement mechanism 73 for tab arrangement. At the same time, the reflux buffer mechanism 6 transports the empty formation tray to the reflux lifting mechanism 714, which is in a lifting state. Then the reflux lifting mechanism 714 descends and places the empty formation tray on the feeding conveyor line 711. The feeding conveyor line 711 transports the empty formation tray to the opening and clamping lifting mechanism 712, and the opening and clamping lifting mechanism 712 lifts the empty formation tray to the working position so that the feeding and opening and clamping mechanism 72 can work. Then the opening and clamping cylinder 723 is pressed down to open a row of clips on the formation tray, and the second robot mechanism 74 transports the qualified battery cell for tab arrangement to the opened clip until a row of clips is filled, and then the opening and clamping cylinder 723 is reset and raised, and the clips are closed to clamp the battery cell. The motor synchronous belt conveyor assembly 721 drives the clamp opening cylinder 723 to translate so as to open the clamps at the remaining positions. When a formation tray is full, the clamp opening jacking mechanism 712 descends, and the formation tray falls back onto the feeding conveyor line 711, which transports the formation tray to the cache jacking mechanism 713 so that the cache mechanism 13 can cache.

[0070] See also Fig.11 The cache mechanism 13 includes: a left cache component 131, a right cache component 132 arranged on the opposite side of the left cache component 131, and a cache lifting cylinder 133 arranged on the left cache component 131 and the right cache component 132.

[0071] The left cache component 131 and the right cache component 132 include: a bracket, an up-and-down moving component 1311 arranged on the bracket and connected to the cache lifting cylinder 133, a first clamping component 1312 arranged on the up-and-down moving component 1311, and a second clamping component 1313 arranged on the bracket and located on both sides of the first clamping component 1312.

[0072] The first clamping assembly 1312 includes: a first clamping cylinder 13121 disposed on the up-and-down moving assembly 1311, a guide wheel mounting plate connected to the first clamping cylinder 13121, and a plurality of guide wheel assemblies 13122 disposed on the guide wheel mounting plate. The guide wheel assembly 13122 includes a plurality of guide wheels to facilitate the formation tray to be pushed out. The up-and-down moving assembly 1311 includes a moving plate, a guide rail, and a slider. The buffer lifting cylinder 133 drives the moving plate to move up and down, and the first clamping cylinder 13121 is disposed on the moving plate.

[0073] The second clamping assembly 1313 includes: a second clamping cylinder 13131 disposed on the bracket, a vertical plate connected to the second clamping cylinder 13131, and a plurality of roller assemblies 13132 disposed on the vertical plate. The roller assemblies 13132 include a plurality of rollers to facilitate clamping the tray.

[0074] The working principle of the cache mechanism 13 is as follows:

[0075] The cache lifting mechanism 713 lifts the first formation tray filled with battery cells to the guide wheel assembly 13122 at the bottom of the left cache assembly 131 and the right cache assembly 132, and then the guide wheel assembly 13122 of the left and right cache assemblies clamps the tray under the push of the first clamping cylinder 13121. The cache lifting cylinder 133 is then driven to transport the tray upward until the bottom surface of the tray is flush with the top surface of the second layer of rollers from the bottom up. The second clamping cylinder 13131 then moves forward to clamp the first tray on the second layer of roller assembly 13132 from the bottom up. The first clamping cylinder 13121 then moves backward, and the cache lifting cylinder 133 pushes the first clamping assembly 1312 down to its original position.

[0076] Then the cache lifting mechanism 713 lifts the second formation tray filled with cells to the guide wheel assembly 13122 at the bottom of the left cache assembly 131 and the right cache assembly 132, and then the guide wheel assembly 13122 clamps the first tray and the second tray under the push of the first clamping cylinder 13121, and then the cache lifting cylinder 133 drives to transport the first tray and the second tray upward, and then the second clamping cylinder 13131 moves forward to clamp the first tray and the second tray, and then the first clamping cylinder 13121 retreats, and the cache lifting cylinder 133 pushes the first clamping assembly 1312 down to its original position. The principle of the third tray, the fourth tray... the nth tray is the same as above, until the trays in the cache mechanism 13 are full.

[0077] In the present invention, three groups of chemical formation fixture mechanisms 3 and one group of cold pressing fixture mechanisms 4 are arranged in parallel. The chemical formation fixture mechanisms 3 and the cold pressing fixture mechanisms 4 are arranged in a row. The cold pressing fixture mechanisms 4 and the chemical formation fixture mechanisms 3 have substantially the same structure.

[0078] See also Fig.12 and Fig.18 The formation fixture mechanism 3 includes: a tray mechanism 31 , a base 32 disposed at the bottom of the tray mechanism 31 , a driving mechanism 33 disposed on the base 32 , and a counterweight mechanism 34 disposed on both sides of the tray mechanism 31 .

[0079] The tray mechanism 31 includes a plurality of formation trays stacked from bottom to top, each tray is provided with a movable bolt on both sides, and each formation tray is provided with an L-shaped groove 100. The driving mechanism 33 drives the formation tray to move up and down, and is composed of a motor, a screw rod, and a nut.

[0080] See also Fig.13The counterweight mechanism 34 includes: a guide support, a plurality of weight guide shafts 341 arranged on the guide support, a plurality of weights 342 sleeved on the weight guide shafts 341, a steel wire rope 343 having one end connected to the weights 342 and the other end connected to a live bolt, and a plurality of pulley bearings 344 arranged on the top of the guide support, wherein the steel wire rope 343 passes around the pulley bearings 344 and is connected to the formation tray.

[0081] By setting weights 342 on the left and right sides of each formation tray, the weights 342 are balanced with the weight of the tray itself to ensure that the lower tray is not affected by the weight of the upper tray, so that the battery cells on each formation tray are subjected to balanced force, thereby ensuring the quality of the battery cells after formation.

[0082] See also Fig.14 The transfer trolley mechanism 2 includes: a slide rail parallel to the formation fixture mechanism 3, a feeding mechanism 21 arranged on the slide rail, and a receiving mechanism 22 arranged in parallel with the feeding mechanism 21.

[0083] The feeding mechanism 21 has the same structure as the receiving mechanism 22, and the feeding mechanism 21 includes: a transplanting frame, a first screw feeding mechanism 211 arranged on the transplanting frame, a second screw feeding mechanism 212 arranged on the top of the transplanting frame, an upper and lower material push-pull rod 213 with the top end arranged at the first screw feeding mechanism 211 and the bottom end arranged at the second screw feeding mechanism 212, and a feeding and discharging motor mechanism 214 arranged on the transplanting frame.

[0084] The transplanting rack includes: a frame frame, a plurality of first guide wheel assemblies 215 arranged on the frame frame, and a second guide wheel assemblies 216 arranged opposite to the first guide wheel assemblies 215 .

[0085] See also Fig.15 The first screw feeding mechanism 211 and the second screw feeding mechanism 212 include: a guide rail slider assembly 221, a slider mounting plate 222 arranged on the guide rail slider assembly 221, a screw nut assembly 223 connected to the slider mounting plate 222 and the feed motor mechanism 214, and a screw feeding assembly arranged on the top surface of the slider mounting plate 222. The feed motor mechanism 214 drives the screw nut assembly 223 to rotate, thereby driving the slider mounting plate 222 to move forward and backward. The screw feeding assembly includes: a cylinder 224, a cylinder connecting block 225 connected to the cylinder 224, and a shaft mounting block 226 arranged on the cylinder connecting block 225. The upper and lower material push-pull rod 213 is connected to the shaft mounting block 226, and the cylinder 224 drives the cylinder connecting block 225 to move left and right.

[0086] The working principle of the transplanting trolley mechanism 2 is as follows:

[0087] The cache mechanism 13 pushes all the trays along the first guide wheel assembly 215 and the second guide wheel assembly 216 onto the feeding mechanism 21, and the positions of the trays are flush with the installation positions of the trays on the formation fixture mechanism 3. Then, the loading and unloading push-pull rod 213 is inserted into the L-shaped groove 100, and then the feeding and unloading motor mechanism 214 continues to drive, thereby driving the trays to move forward until the trays are placed in the formation fixture mechanism 3, and then the loading and unloading push-pull rod 213 withdraws from the L-shaped groove 100 and returns to its original position.

[0088] The feed and discharge motor mechanism 214 of the material receiving mechanism 22 drives the load and discharge push rod 213 to move forward, and the load and discharge push rod 213 is inserted into the L-shaped groove 100. Then the feed and discharge motor mechanism 214 drives the load and discharge push rod 213 to retreat backward, and all the pallets that have completed the formation or cold pressing are collected from the formation clamp mechanism 3 or the cold pressing clamp mechanism 44 to the material receiving mechanism 22, and then transported to the cache unloading mechanism 5.

[0089] See also Fig.16 The buffer unloading mechanism 5 comprises: a discharging mechanism 51, a unloading mechanism 52 arranged beside the discharging mechanism 51, and a buffer mechanism 13 arranged on the unloading mechanism 52. The receiving mechanism 22 transports the pallets after the forming or cold pressing to the buffer mechanism 13 of the unloading mechanism 5 for storage.

[0090] The cache unloading mechanism 5 is arranged beside the cache loading mechanism 1, and the discharge mechanism 51 has the same structure as the feeding mechanism 11. In the discharge mechanism 51, the first station 111 is the material box placement position, the second station 112 is the manual placement position, and the third station 113 is the robot loading position.

[0091] The unloading mechanism 52 includes: a tray conveying mechanism 71, a loading and clamping mechanism 72 and a second robot mechanism 74. Most structures of the cache unloading mechanism 5 are the same as those of the cache loading mechanism 1, except that compared with the cache loading mechanism 1, the cache unloading mechanism 5 lacks the tab arrangement mechanism 73.

[0092] The working principle of the buffer unloading mechanism 5 is as follows:

[0093] The stacked empty blister boxes are manually placed on the second station 112, and the blister box transfer mechanism 16 transports the empty blister boxes on the second station 112 to the third station 113, one tray at a time, and then the lifting platform lifting mechanism 15 lifts the blister boxes on the second station 112 and the third station 113 to the working position.

[0094] The receiving mechanism 22 stores the formed pallet after the formation or cold pressing is completed in the buffer mechanism 13 of the unloading mechanism 52, and then the buffer lifting mechanism 713 rises to hold the pallet at the bottom of the buffer mechanism 13, and then drops it to the feeding conveyor line 711, and the feeding conveyor line 711 transports the pallet to the clamping lifting mechanism 712, and the clamping lifting mechanism 712 lifts the empty formed pallet to the working position so that the feeding clamping mechanism 72 can work. Then the clamping cylinder 723 presses down to open a row of clips on the pallet, and the battery core is released, and the first robot mechanism 17 transports the battery core to the blister box of the third station 113. When the blister box at the top of the third station 113 is full, the blister box transplanting mechanism 16 transports the blister box at the top of the third station 113 to the first station 111 for placement, and then transports the blister box at the top of the second station 112 to the third station 113, and the cycle is repeated. When the empty blister boxes in the second station 112 are loaded, they are added manually.

[0095] When the battery cells on a tray on the loading and clamping mechanism 72 are unloaded, the clamping and lifting mechanism 712 descends, and the tray falls back to the loading conveyor line 711. The loading conveyor line 711 transports the empty tray to the reflux lifting mechanism 714, and the reflux lifting mechanism 714 transports the empty tray to the reflux buffer mechanism 6.

[0096] See also Fig.17 The reflux buffer mechanism 6 includes: an empty disk buffer mechanism 61 and a reflux pull belt mechanism 62 arranged below the empty disk buffer mechanism 61 .

[0097] The empty disk cache mechanism 61 includes: an empty disk cache rack, a motor synchronous belt assembly 611 arranged on both side walls of the empty disk cache rack from top to bottom, and a plurality of cache sheet metals 612 arranged on the motor synchronous belt assembly 611.

[0098] The reflux belt pulling mechanism 62 includes: a conveyor belt 621 and a lifting assembly 622 disposed below the conveyor belt 621 .

[0099] The working principle of the reflux buffer mechanism 6 is as follows:

[0100] The cache unloading mechanism 5 transports the emptied pallet to the reflux cache mechanism 6, and the lifting assembly 622 in the reflux pull belt mechanism 62 rises, and the emptied pallet is transported to the reflux lifting mechanism 714 in the cache feeding mechanism 1 under the joint action of the conveyor belt 621, so as to realize the circulation of the formation pallet. In this process, there is occasionally a situation where the progress of loading and unloading work does not match. If the battery core unloading work is faster, the vacated formation pallet will be more, and the vacated pallet will be cached in the empty tray cache mechanism 61 and placed on the cache sheet metal 612 in the empty tray cache mechanism 61. When storing the pallet, the motor synchronous belt assembly 611 drives the pallet to run upwards, and when the cached pallet needs to be transported to the cache feeding mechanism 1, the motor synchronous belt assembly 611 drives the pallet to run downwards, and the lifting assembly 622 below holds the pallet of the bottom layer, and then descends and falls back, and the pallet is transported to the reflux lifting mechanism 714 in the cache feeding mechanism 1 under the action of the conveyor belt 621.

[0101] In summary, the present invention loads the battery core from the blister box onto the formation tray through the buffer loading mechanism, and then the transfer trolley mechanism transports the formation tray to the formation cabinet for formation, and after the formation is completed, the transfer trolley mechanism transports the formation tray after the formation is completed to the buffer unloading mechanism, the buffer unloading mechanism removes the battery core after the formation is completed from the formation tray and stores it in an empty blister box, and the reflux buffer mechanism transports the empty formation tray to the buffer loading mechanism. The above is the entire workflow of the fully automatic pressure formation line, and only one staff member is needed to carry the blister box during the whole process, with a high degree of automation, greatly saving manpower, and being suitable for mass production.

[0102] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A fully automatic pressure forming line, characterized in that: include: A buffer loading mechanism, a transfer trolley mechanism disposed beside the buffer loading mechanism, a formation fixture mechanism disposed beside the transfer trolley mechanism, a cold pressing fixture mechanism disposed beside the formation fixture mechanism, a buffer unloading mechanism disposed beside the transfer trolley mechanism, and a reflux buffer mechanism disposed between the buffer loading mechanism and the buffer unloading mechanism; The cache loading mechanism comprises: a feeding mechanism, a loading mechanism arranged beside the feeding mechanism, and a cache mechanism arranged on the loading mechanism; The transfer trolley mechanism comprises: a slide rail parallel to the formation fixture mechanism, a feeding mechanism arranged on the slide rail, and a receiving mechanism arranged in parallel with the feeding mechanism; The buffer unloading mechanism comprises: a discharging mechanism, a unloading mechanism arranged beside the discharging mechanism, and a buffer mechanism arranged on the unloading mechanism; The cache mechanism comprises: a left cache component, a right cache component arranged on the opposite side of the left cache component, and a cache lifting cylinder arranged on the left cache component and the right cache component; The left buffer assembly and the right buffer assembly include: a bracket, an up-and-down moving assembly provided on the bracket and connected to the buffer lifting cylinder, a first clamping assembly provided on the up-and-down moving assembly, and a second clamping assembly provided on the bracket and located on both sides of the first clamping assembly; The feeding mechanism includes: a blister box loading mechanism, a lifting platform lifting mechanism arranged below the blister box loading mechanism, a blister box transplanting mechanism arranged above the blister box loading mechanism, and a first robot mechanism arranged beside the blister box loading mechanism; The feeding mechanism comprises: a tray conveying mechanism, a feeding and clamping mechanism disposed above the tray conveying mechanism, a tab arranging mechanism disposed beside the tray conveying mechanism, and a second robot mechanism disposed beside the tab arranging mechanism and the tray conveying mechanism; The cache unloading mechanism is arranged beside the cache loading mechanism. The unloading mechanism has the same structure as the feeding mechanism. The unloading mechanism includes: a tray conveying mechanism, a loading and clamping mechanism, and a second robot mechanism. The formation fixture mechanism comprises: a tray mechanism, a base arranged at the bottom of the tray mechanism, a driving mechanism arranged on the base, and a counterweight mechanism arranged on both sides of the tray mechanism; The tray mechanism comprises a plurality of formation trays stacked from bottom to top, each tray is provided with movable bolts on both sides, and each formation tray is provided with an L-shaped groove; The counterweight mechanism comprises: a guide support, a plurality of weight guide shafts arranged on the guide support, a plurality of weights sleeved on the weight guide shafts, a steel wire rope having one end connected to the weights and the other end connected to a live bolt, and a plurality of pulley bearings arranged on the top of the guide support, wherein the steel wire rope passes through the pulley bearings and is connected to the formation tray; The first clamping assembly comprises: a first clamping cylinder arranged on the up-and-down moving assembly, a guide wheel mounting plate connected to the first clamping cylinder, and a plurality of guide wheel assemblies arranged on the guide wheel mounting plate; the guide wheel assembly comprises a plurality of guide wheels so as to push and push out the forming tray; the up-and-down moving assembly comprises a moving plate, a guide rail, and a slider, the buffer lifting cylinder drives the moving plate to move up and down, and the first clamping cylinder is arranged on the moving plate; The second clamping assembly includes: a second clamping cylinder arranged on the bracket, a vertical plate connected to the second clamping cylinder, and a plurality of roller assemblies arranged on the vertical plate; the roller assembly includes a plurality of rollers to facilitate clamping the tray.

2. The fully automatic pressure forming line according to claim 1, characterized in that: The feeding mechanism has the same structure as the receiving mechanism, and the feeding mechanism includes: a transplanting frame, a first screw feeding mechanism arranged on the transplanting frame, a second screw feeding mechanism arranged on the top of the transplanting frame, a top end of the first screw feeding mechanism and a bottom end of the second screw feeding mechanism arranged on the upper and lower material push-pull rods, and a feeding and discharging motor mechanism arranged on the transplanting frame; The transplanting frame comprises: a frame frame, a plurality of first guide wheel assemblies arranged on the frame frame, and a second guide wheel assembly arranged opposite to the first guide wheel assembly; The first screw feeding mechanism and the second screw feeding mechanism include: a guide rail slider combination, a slider mounting plate arranged on the guide rail slider combination, a screw nut combination connected to the slider mounting plate and the feed and discharge motor mechanism, and a screw feeding assembly arranged on the top surface of the slider mounting plate. The feed and discharge motor mechanism drives the screw nut combination to rotate, thereby driving the slider mounting plate to move forward and backward. The screw feeding assembly includes: a cylinder, a cylinder connecting block connected to the cylinder, and a shaft mounting block arranged on the cylinder connecting block. The upper and lower material push-pull rods are connected to the shaft mounting block, and the cylinder drives the cylinder connecting block to move left and right.

3. The fully automatic pressure forming line according to claim 1, characterized in that: The feeding mechanism and the discharging mechanism both include a first station, a second station and a third station, and the first station, the second station and the third station are each provided with a blister box loading mechanism, and the blister box loading mechanism includes: a blister box bottom plate, limiting columns arranged around the blister box bottom plate, and a handle arranged on the blister box bottom plate.

4. The fully automatic pressure forming line according to claim 1, characterized in that: The reflux buffer mechanism comprises: an empty disk buffer mechanism and a reflux pull belt mechanism arranged below the empty disk buffer mechanism; The empty disk cache mechanism comprises: an empty disk cache rack, a motor synchronous belt assembly arranged on both side walls of the empty disk cache rack from top to bottom, and a plurality of cache sheet metals arranged on the motor synchronous belt assembly; The reflux belt pulling mechanism comprises: a conveyor belt and a lifting component arranged below the conveyor belt.

5. The fully automatic pressure forming line according to claim 4, characterized in that: The pallet conveying mechanism includes: a feeding conveyor line, an opening and clamping lifting mechanism arranged below the feeding conveyor line, a buffer lifting mechanism arranged below the feeding conveyor line, and a reflux lifting mechanism arranged next to the reflux pull belt mechanism. The feeding and opening clamping mechanism is located above the opening and clamping lifting mechanism, and the buffer mechanism is located above the buffer lifting mechanism.

6. The fully automatic pressure forming line according to claim 1, characterized in that: The tab arrangement mechanism includes: a mounting plate, a cell placement platform provided on the mounting plate, a first visual inspection system provided on the cell placement platform, a tab shaping assembly provided next to the first visual inspection system, a tab flattening assembly provided next to the cell placement platform and next to the tab shaping assembly, a second visual inspection system provided next to the tab flattening assembly, and a cell transport assembly provided on the cell placement platform; The tab shaping assembly comprises: a first horizontal displacement assembly, a first cylinder mounting plate arranged on the first horizontal displacement assembly, a first thin-claw cylinder arranged on the first cylinder mounting plate, and a first pressing block arranged on two slides of the first thin-claw cylinder; The tab flattening assembly includes: a second horizontal displacement assembly, a second cylinder mounting plate arranged on the second horizontal displacement assembly, a second thin-claw cylinder arranged on the second cylinder mounting plate, and a second pressing block arranged on two slides of the second thin-claw cylinder.

7. The fully automatic pressure forming line according to claim 1, characterized in that: The feeding and clamping mechanism comprises: a motor synchronous belt conveying assembly, a clamping cylinder mounting plate arranged on the motor synchronous belt conveying assembly, and a plurality of clamping cylinders arranged on the clamping cylinder mounting plate.

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