Battery cell shell stamping discharging buffer conveying line

Abstract

The invention relates to a battery cell shell stamping discharging buffer conveying line which comprises a main conveying line used for connecting stamping forming equipment and follow-up machining equipment, automatic basketing equipment arranged between the stamping forming equipment and the main conveying line, and buffer equipment arranged on one side of the main conveying line and located between the stamping forming equipment and the follow-up machining equipment. The automatic basketing equipment is used for tidily placing steel shells subjected to punch forming in charging baskets and placing the charging baskets filled with the steel shells on the main conveying line; the main conveying line adopts a double-layer conveying line, the conveying directions of the upper-layer conveying line and the lower-layer conveying line are opposite, the upper-layer conveying line is used for conveying material baskets in which steel shells are stored, and the lower-layer conveying line is used for conveying empty material baskets; according to the automatic loading device, automatic loading can be achieved on steel shells subjected to punch forming, automatic circulation and temporary storage can be achieved in the conveying process according to the production condition of subsequent equipment, the stacking condition of the conveying line is avoided, meanwhile, the double-layer conveying line structure is adopted, the charging basket can work circularly, and the automation degree is high.

Description

Technical Field

[0001] The invention relates to the field of battery production and manufacturing, and in particular to a buffer conveyor line for punching and blanking battery cell shells. Background Art

[0002] With the vigorous development of the new energy vehicle industry, the demand for cylindrical batteries has increased dramatically. The key link in its manufacturing process - the processing of steel shells after stamping has become particularly important. Currently, cylindrical battery steel shells need to be manually packed into baskets after stamping, and then transferred to subsequent processes such as laser cutting for processing. Although the existing automated conveyor line can realize the automatic transmission of stamped steel shells to the next production stage, it still faces the following significant challenges:

[0003] 1. Manual basket loading is inefficient: This link relies on a large amount of manpower, which is not only labor-intensive, time-consuming and labor-intensive, but also inefficient, significantly increasing the company's labor costs. This traditional operation method can no longer meet the needs of modern efficient production.

[0004] 2. Poor synchronization of production processes: When the working efficiency of stamping equipment does not match that of subsequent production equipment, or when the latter stops due to a malfunction, materials are prone to accumulation during transportation, which in turn causes the upstream workstation to suspend operations; this not only reduces the overall utilization of the equipment, but also seriously hinders the improvement of production efficiency, making it difficult for the entire production process to adapt to modern, efficient and flexible production requirements. Summary of the invention

[0005] The purpose of the present invention is to overcome the shortcomings of the prior art and provide a buffer conveyor line for stamping and blanking of battery cell shells, which can not only realize the automatic basket loading operation of the steel shell after stamping and forming, but also has automatic conveying and caching functions, ensuring a stable and continuous material supply for the next process, thereby significantly improving production efficiency and automation level.

[0006] To achieve the above-mentioned purpose, the technical solution adopted by the present invention is: a buffer conveyor line for stamping and blanking of battery cell shells, comprising a main conveyor line for connecting a stamping and forming device and a subsequent processing device, an automatic basket loading device arranged between the stamping and forming device and the main conveyor line, and a buffer device arranged on one side of the main conveyor line and located between the stamping and forming device and the subsequent processing device;

[0007] The automatic basket loading equipment is used to place the stamped steel shells neatly in the material basket, and place the material basket full of steel shells on the main conveyor line; the automatic basket loading equipment includes a belt conveyor line located at the discharge port of the stamping and forming equipment, a slave conveyor line vertically arranged on one side of the main conveyor line, a basket loading rack arranged between the belt conveyor line and the slave conveyor line, an equidistant conveyor belt arranged on the basket loading rack for equidistantly conveying the steel shells, a graduated loading mechanism arranged on the basket loading rack for grabbing the steel shells one by one from the belt conveyor line and placing them on the equidistant conveyor belt, and a swinging material manipulator arranged on the basket loading rack for grabbing multiple steel shells from the equidistant conveyor belt at a time and placing them in the material basket on the slave conveyor line;

[0008] The main conveyor line and the slave conveyor line are both double-layer conveyor lines, wherein the conveying directions of the upper and lower conveyor lines are opposite, the upper conveyor line is used to convey material baskets containing steel shells, and the lower conveyor line is used to convey empty material baskets; the terminal of the main conveyor line is provided with a main lifting and transplanting machine for transferring empty material baskets from the upper conveyor line to the slave conveyor line, and the main conveyor line is provided with conveying lifting and translation components at the inlet and outlet of the slave conveyor line; the end of the slave conveyor line away from the main conveyor line is provided with a slave lifting and transplanting machine for transferring empty material baskets from the lower conveyor line to the upper conveyor line.

[0009] Preferably, the indexing feeding mechanism includes a mounting seat, a guide bracket vertically arranged on the mounting seat, a lifting frame slidably arranged in the guide bracket, a lifting driver vertically arranged on the basket loading frame for driving the lifting frame to rise and fall, a dividing plate horizontally and rotatably arranged on the top of the lifting frame, a rotary driver arranged in the lifting frame for driving the dividing plate to rotate intermittently, and at least two clamping jaw assemblies arranged at the edge of the dividing plate and rotationally symmetrically placed; each of the clamping jaw assemblies includes a support arm extending radially along the dividing plate, and a clamping jaw cylinder horizontally arranged at the end of the support arm.

[0010] Preferably, each of the clamping jaw assemblies is further provided with a rotating cylinder between the supporting arm and the clamping jaw cylinder, which is used to drive the clamping jaw assembly to drive the steel shell to vertically flip 180 degrees.

[0011] Preferably, the material-swinging robot includes a multi-axis robot arm and a material-picking assembly arranged at the driving end of the multi-axis robot arm; the material-picking assembly includes a variable pitch module and a plurality of pneumatic clamps vertically arranged at the driving end of the variable pitch module; a sensor for sensing whether there is material is arranged in the pneumatic clamp.

[0012] Preferably, floating components are provided between the multiple driving ends of the variable pitch module and the pneumatic clamps; the floating component includes a fixed plate vertically arranged at the driving end of the variable pitch module, a slide rail vertically arranged on the fixed plate, and a floating plate slidably arranged on the slide rail; the top of the floating plate is connected to the driving end of the variable pitch module through a spring; the pneumatic clamps are installed on the lower end side of the floating plate; the fixed plate is provided with a sensor; the floating plate is provided with a sensor sheet that can trigger the sensor; when the sensor sheet triggers the sensor, it means that the pneumatic clamps have hit a foreign object, and the swinging robot cannot drive the pneumatic clamps to continue to move downward.

[0013] Preferably, positioning components for fixing the material basket are arranged on both sides of the upper conveyor line of the slave conveyor line; the positioning components include a positioning frame, a positioning cylinder horizontally arranged on the positioning frame and placed perpendicular to the conveying direction of the upper conveyor line, a positioning plate arranged at the driving end of the positioning cylinder, and at least two positioning columns horizontally spaced apart and arranged on the positioning plate and insertable into the positioning holes on the side of the material basket.

[0014] Preferably, a guardrail and a safety grating are provided on the periphery of the automatic basket loading equipment.

[0015] Preferably, the cache device includes a cache rack, multiple layers of cache lines arranged on the cache rack, and a lifting device arranged between the main conveying line and the cache lines;

[0016] Each layer of the cache line includes two cache conveyor lines placed vertically and on the same horizontal plane as the main conveyor line, a translation machine located between the two cache conveyor lines and higher than the cache conveyor lines, and cache lifting and translation components respectively arranged at one end of the two cache conveyor lines away from the main conveyor line and corresponding to the translation machine; a stacking mechanism for stacking material baskets is provided at the inlet of one of the cache conveyor lines, and a disassembling mechanism for disassembling the stacked material baskets into one by one is provided at the outlet of the other cache conveyor line;

[0017] The lifting equipment includes buffer lifting and transplanting machines which are respectively arranged at the inlets and outlets of two buffer conveying lines and are symmetrically placed.

[0018] Preferably, a sampling platform is arranged on one side of the main conveyor line between the stamping and forming equipment and the buffer equipment; the sampling platform includes a sampling bracket, a sampling conveyor line arranged on the sampling bracket, and a fixing mechanism arranged on the sampling conveyor line for fixing the sampling material basket; the sampling conveyor line is higher than the upper conveyor line of the main conveyor line; and a sampling lifting and translation component corresponding to the sampling conveyor line is arranged on the upper conveyor line of the main conveyor line.

[0019] Preferably, the main conveyor line and the cache device both adopt a fully enclosed structure; the main conveyor line is provided with docking interfaces at the joints with the slave conveyor line, the sampling platform, the cache device, the subsequent processing equipment and the main lifting and transplanting machine; openable protective windows are provided on the sides of the cache device and the main conveyor line; the protective windows are made of transparent material.

[0020] Due to the application of the above technical solution, the present invention has the following advantages compared with the prior art:

[0021] 1. The present invention can not only place the stamped steel shells neatly in the basket through the automatic basket loading equipment, but also automatically place the basket filled with steel shells on the main conveyor line, which greatly saves labor, time and effort, improves production efficiency and reduces production costs;

[0022] 2. The present invention sets a buffer device. When the subsequent equipment does not match the stamping efficiency, or the latter stops due to a fault, the roots are automatically transferred to the buffer to avoid accumulation on the conveyor line. At the same time, a basket stacking mechanism and a basket disassembling mechanism are set on the buffer conveyor line. When the material basket enters the buffer conveyor line, the material basket can be stacked and placed, which greatly improves the storage capacity;

[0023] 3. The present invention adopts a double-layer conveyor line structure, and the empty material baskets are directly returned to the stamping and forming equipment for circulation. There is no need for manual handling, and the degree of automation is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The technical solution of the present invention is further described below in conjunction with the accompanying drawings:

[0025] Attached Figure 1 A top view of the battery cell casing stamping and blanking buffer conveyor line according to the present invention;

[0026] Attached Figure 2 It is a top view of a single stamping and forming device and an automatic basket loading device in the present invention;

[0027] Attached Figure 3 It is a structural schematic diagram of the automatic basket loading device in the present invention;

[0028] Attached Figure 4 It is a structural schematic diagram of the indexing feeding mechanism in the present invention;

[0029] Attached Figure 5 It is a structural schematic diagram of the material taking component in the present invention;

[0030] Attached Figure 6 It is a partial side view of the material taking component in the present invention;

[0031] Attached Figure 7 It is a schematic diagram of the structure after a part of the shell is removed from the conveying line in the present invention;

[0032] Attached Figure 8 for Figure 7 A partial enlarged view of the middle part;

[0033] Attached Fig. 9 This is a schematic diagram of the structure of the cache device in the present invention after removing the protective cover;

[0034] Attached Fig.10 It is a structural schematic diagram of a single buffer conveying line in the present invention;

[0035] Attached Fig.11 It is a structural schematic diagram of the buffer lifting transplanter in the present invention;

[0036] Attached Fig.12 It is a structural schematic diagram of the sampling inspection platform in the present invention;

[0037] Attached Fig.13 It is a schematic diagram of the partial structure of the main conveying line in the present invention.

[0038] Among them: 1. Stamping and forming equipment; 11. Conveying jacking and translation assembly; 12. Docking port; 13. Protective window; 2. Laser cutting equipment; 3. Main conveyor line; 4. Automatic basket loading equipment; 41. Belt conveyor line; 42. Slave conveyor line; 421. Slave lifting and transplanting machine; 422. Positioning assembly; 4221. Positioning frame; 4222. Positioning cylinder; 4223. Positioning plate; 4224. Positioning column; 43. Basket loading rack; 44. Equidistant conveyor belt; 45. Indexing feeding mechanism; 451. Mounting seat; 452. Guide bracket; 453. Lifting frame; 454. Lifting drive; 455. Indexing plate; 456. Rotating drive; 457. Gripping claw assembly; 4571. Support arm; 4572. Gripping claw cylinder; 4573. Rotating cylinder; 46. Swinging manipulator; 461. Four-axis manipulator; 462. Retrieving assembly; 4621, variable pitch module; 4622, pneumatic gripper; 4623, infrared sensor; 4624, fixed plate; 4625, slide rail; 4626, floating plate; 4627, spring; 4628, photoelectric slot switch; 4629, induction sheet; 47, guardrail; 5, cache device; 51, cache rack; 52, cache line; 521, feed cache conveyor line; 522, discharge cache conveyor line; 523, Cache lifting and translation assembly A; 524, cache lifting and translation assembly B; 525, translation machine; 526, basket stacking mechanism; 527, basket dismantling mechanism; 53, lifting equipment; 531, cache lifting and transplanting machine A; 532, cache lifting and transplanting machine B; 6, main lifting and transplanting machine; 7, sampling platform; 71, sampling bracket; 72, sampling conveyor line; 73, fixing mechanism; 8, material basket; 81, positioning hole; 9, steel shell. DETAILED DESCRIPTION

[0039] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0040] Attached Figure 1 The cell shell stamping and blanking buffer conveyor line described in the present invention comprises two parallel main conveyor lines 3, eight stamping and forming equipment 1 respectively arranged on both sides of the two main conveyor lines 3, eight automatic basket loading equipment 4 respectively arranged between the stamping and forming equipment 1 and the main conveyor lines 3, two laser cutting equipment 2 respectively arranged on both sides of the end of the main conveyor line 3, and two buffer equipment 5 respectively arranged on both sides of the main conveyor line 3 and located between the stamping and forming equipment 1 and the laser cutting equipment 2; the present invention can not only realize automatic loading of the steel shell 9 after stamping and forming, but also can automatically circulate and buffer according to the production situation of subsequent equipment during the conveying process to avoid accumulation of the conveyor line, and has a high degree of automation.

[0041] Further, if Figure 2-3 As shown, the automatic basket loading device 4 is used to neatly place the stamped steel shells 9 in the material basket 8, and automatically place the material basket 8 filled with steel shells 9 on the main conveyor line 3; the automatic basket loading device 4 includes a belt conveyor line 41 located at the discharge port of the stamping and forming device 1, a slave conveyor line 42 vertically arranged on one side of the main conveyor line 3, a basket loading frame 43 arranged between the belt conveyor line 41 and the slave conveyor line 42, an equidistant conveyor belt 44 arranged on the basket loading frame 43 for equidistantly conveying the steel shells 9, a graduated loading mechanism 45 arranged on the basket loading frame 43 for grabbing the steel shells 9 one by one from the belt conveyor line 41 and placing them on the equidistant conveyor belt 44, and a swinging material manipulator 46 arranged on the basket loading frame 43 for grabbing four steel shells 9 from the equidistant conveyor belt 44 at a time and placing them in the loading basket 8 of the slave conveyor line 42;

[0042] During operation: the stamped steel shells 9 automatically fall vertically onto the belt conveyor line 41, and the belt conveyor line 41 automatically transports the steel shells 9 to the indexing feeding mechanism 45; when the steel shells 9 arrive at the set position, the indexing feeding mechanism 45 grabs the steel shells 9 one by one from the belt conveyor line 41 and places them on the equidistant conveyor belt 44, and then the equidistant conveyor belt 44 automatically transports multiple steel shells 9 to the direction of the swinging manipulator 46 at equal distances; when four steel shells 9 arrive at the set position, the swinging manipulator 46 grabs four steel shells 9 from the equidistant conveyor belt 44 at a time and places them in the material basket 8 on the conveyor line 42; when the steel shells 9 in the material basket 8 are full, the conveyor line 42 transports the material basket 8 full of steel shells 9 to the main conveyor line 3, and then sends it to the subsequent processing equipment through the main conveyor line 3.

[0043] Why do we need to set up an equidistant conveyor belt 44 and a graduated feeding mechanism 45 instead of directly grabbing the steel shells 9 from the belt conveyor line 41 and placing them in the basket 8 on the conveyor line 42 through the swinging material manipulator 46? The reason is: grabbing one by one is too slow. If you want to grab multiple steel shells 9 at a time, you need to place multiple steel shells 9 at equal distances, but the belt conveyor line 41 cannot achieve this. In addition, if you set up an equidistant conveyor belt 44, you can also install a laser coder to facilitate recording the production equipment, production time and other information of the steel shells 9 for later traceability.

[0044] Further, if Figure 4 As shown, the indexing feeding mechanism 45 includes a mounting seat 451, a guide bracket 452 vertically arranged on the mounting seat 451, a lifting frame 453 slidably arranged in the guide bracket 452, a lifting driver 454 vertically arranged on the basket loading frame 43 for driving the lifting frame 453 to move up and down, a dividing plate 455 horizontally and rotationally arranged on the top of the lifting frame 453, a rotary driver 456 arranged in the lifting frame 453 for driving the dividing plate 455 to rotate intermittently, and four clamping jaw assemblies 457 arranged at the edge of the dividing plate 455 and placed rotationally symmetrically; each of the clamping jaw assemblies 457 includes a support arm 4571 extending radially along the dividing plate 455, and a clamping jaw cylinder 4572 horizontally arranged at the end of the support arm 4571;

[0045] When the belt conveyor line 41 transports the steel shell 9 to the set position each time, there is a group of clamping jaw assemblies 457 located above the steel shell 9. At this time, the lifting driver 454 drives the lifting frame 453 to descend until the steel shell 9 is located in the clamping jaws of the clamping jaw cylinder 4572, and the steel shell 9 is clamped by the clamping jaw cylinder 4572. Then the lifting driver 454 drives the lifting frame 453 to rise and return to the initial position, and then the rotation driver 456 drives the dividing plate 455 to rotate 90 degrees, and then the lifting driver 454 drives the lifting frame 453 to descend again until the steel shell 9 grasped by the previous group of clamping jaw assemblies 457 falls on the equidistant conveyor belt 44, and then the clamping jaw cylinder 4572 releases the steel shell 9. Finally, the lifting driver 454 drives the lifting frame 453 to rise and return to the initial position again, and the cycle is repeated in sequence. The equidistant conveyor belt 44 automatically transports multiple steel shells 9 equidistantly toward the swinging material robot 46.

[0046] Further, if Figure 4 As shown, each of the clamping jaw assemblies 457 is further provided with a rotating cylinder 4573 between the supporting arm 4571 and the clamping jaw cylinder 4572, which is used to drive the clamping jaw assembly 457 to drive the steel shell 9 to vertically flip 180 degrees to meet specific processing needs.

[0047] Furthermore, the lifting drive 454 may be an electric cylinder or a pneumatic cylinder, which may be selected as needed.

[0048] Furthermore, the rotary driver 456 may be an intermittent divider or a reduction motor, which may be selected as required.

[0049] Further, if Figure 4 As shown, vertically placed guide rails are provided between the two sides of the lifting frame 453 and the guide bracket 452 to play a guiding role.

[0050] Further, if Figure 2 and Figure 5 As shown, the swinging material manipulator 46 includes a four-axis mechanical arm 461 and a material taking component 462 arranged at the driving end of the four-axis mechanical arm 461; the material taking component 462 includes a variable pitch module 4621 and four pneumatic grippers 4622 vertically arranged at the driving end of the variable pitch module 4621;

[0051] During operation: four pneumatic grippers 4622 are driven by a four-axis robotic arm 461 to grab four steel shells 9 from the equidistant conveyor belt 44 at a time and place them in the loading basket 8 from the conveyor line 42; since different types of steel shells 9 have different diameters, the center distances of different types of steel shells 9 in the material basket 8 are also different, so a variable distance module 4621 is used, which can automatically adjust the center distance of the four steel shells 9 after grabbing the four steel shells 9 so that they can be installed as required and placed in the material basket 8.

[0052] Further, if Figure 5 As shown, since the pneumatic clamp 4622 is placed vertically to grasp the top of the steel shell 9, the pneumatic clamp 4622 adopts a four-claw structure, which is more stable when clamping the top of the steel shell 9.

[0053] Further, if Figure 5 As shown, an infrared sensor 4623 is provided in the pneumatic clamp 4622 for sensing whether there is a steel shell 9 in the pneumatic clamp 4622 to avoid empty operation.

[0054] Further, if Figure 6 As shown, floating components are arranged between the multiple driving ends of the pitch-changing module 4621 and the pneumatic clamping jaws 4622; the floating components include a fixed plate 4624 vertically arranged at the driving end of the pitch-changing module 4621, a slide rail 4625 vertically arranged on the fixed plate 4624, and a floating plate rail 4626 slidably arranged on the slide rail 4625; the top end of the floating plate rail 4626 is connected to the driving end of the pitch-changing module 4621 through a spring 4627; the pneumatic clamping jaws 4622 are installed on the lower end side of the floating plate rail 4626; a photoelectric slot switch 4628 is arranged on the fixed plate 4624; and a sensor sheet 4629 that can trigger the photoelectric slot switch 4628 is arranged on the floating plate rail 4626;

[0055] During normal operation, the floating plate rail 4626 is in a suspended state under its own weight, and the sensor sheet 4629 will not trigger the photoelectric slot switch 4628; when the swinging material manipulator 46 drives the pneumatic clamp 4622 to grasp the steel shell 9 downward, if there is a foreign object blocking the pneumatic clamp 4622 (such as the position of the steel shell 9 is offset, and the clamp is against the top of the steel shell 9), the floating plate rail 4626 will be pushed upward, thereby triggering the photoelectric slot switch 4628 through the sensor sheet 4629, causing the swinging material manipulator 46 to stop driving the pneumatic clamp 4622 to move downward, thereby avoiding damage to the pneumatic clamp 4622, wherein the spring 4627 not only plays a connecting role, but also can play a buffering role.

[0056] Further, if Figure 7-8 As shown, positioning components 422 for fixing the basket 8 are arranged on both sides of the upper conveyor line of the slave conveyor line 42; the positioning components 422 include a positioning frame 4221, a positioning cylinder 4222 horizontally arranged on the positioning frame 4221 and placed perpendicular to the conveying direction of the upper conveyor line, a positioning plate 4223 arranged at the driving end of the positioning cylinder 4222, and two positioning columns 4224 horizontally arranged at intervals on the positioning plate 4223 and insertable into the positioning holes 81 on the side of the basket 8;

[0057] When the material placing robot 46 places the steel shell 9 in front of the material basket 8 on the conveyor line 42, the positioning cylinder 4222 drives the positioning plate 4223 to insert the two positioning columns 4224 into the positioning holes 81 on the sides of the material basket 8 respectively, to fix the material basket 8 and prevent the material basket 8 from shifting during the material placing process, thereby affecting the placing accuracy.

[0058] Further, if Figure 2 As shown, the periphery of the automatic basket loading device 4 is provided with a guardrail 47 and a safety grating to prevent workers from accidentally entering the working area during work and causing safety accidents.

[0059] Further, if Fig. 9 As shown, the cache device 5 includes a cache rack 51, two layers of cache lines 52 arranged on the cache rack 51, and a lifting device 53 arranged between the main conveying line 3 and the cache lines 52; wherein the two layers of cache lines 52 can both store material baskets 8 filled with steel shells 9, or one layer of cache lines 52 can store material baskets 8 filled with steel shells 9, and the other layer of cache lines 52 can store empty material baskets 8.

[0060] Further, if Fig. 9As shown, each layer of the cache line 52 includes a feed cache conveyor line 521 and a discharge cache conveyor line 522 which are placed vertically with the main conveyor line 3 and located on the same horizontal plane, a cache jacking and translational movement component A523 arranged at the outlet of the feed cache conveyor line 521, a cache jacking and translational movement component B524 arranged at the entrance of the discharge cache conveyor line 522, and a translation machine 525 located between the feed cache conveyor line 521 and the discharge cache conveyor line 522; the translation machine 525 is located between the cache jacking and translational movement component A523 and the cache jacking and translational movement component B524, and is higher than the feed cache conveyor line 521 and the discharge cache conveyor line 522; the entrance of the feed cache conveyor line 521 is provided with a basket stacking mechanism 526 for stacking material baskets 8; the outlet of the discharge cache conveyor line 522 is provided with a basket dismantling mechanism 527 for dismantling the stacked material baskets 8 into one by one;

[0061] The lifting device 53 includes a buffer lifting and transplanting machine A531 arranged at the entrance of the feed buffer conveyor line 521, and a buffer lifting and transplanting machine B532 arranged at the exit of the discharge buffer conveyor line 522; the buffer lifting and transplanting machine A531 and the buffer lifting and transplanting machine B532 are symmetrically placed;

[0062] When the efficiency of subsequent equipment does not match that of stamping and forming, or the latter stops due to a fault, the main conveyor line 3 can send the material basket 8 to the cache device 5 for caching to avoid accumulation on the conveyor line; specifically, the main conveyor line 3 transports the material basket 8 to the cache lifting and transplanting machine A531 at the entrance of the feed cache conveyor line 521, and the cache lifting and transplanting machine A531 lifts the material basket 8 to the corresponding cache line layer, and then the cache lifting and transplanting machine A531 transports the material basket 8 to the feed cache conveyor line 521. Since a basket stacking mechanism 526 is provided at the entrance of the feed cache conveyor line 521, the material baskets 8 can be automatically stacked and placed, which greatly increases the storage capacity; when the material baskets 8 are stacked to the set number of layers, they are transported to the other end by the feed cache conveyor line 521. Until it is located above the cache lifting and translation component A523, then the cache lifting and translation component A523 lifts the stacked material baskets 8 and transports them to the translation machine 525, and then the translation machine 525 transports them to the cache lifting and translation component B524, and then the cache lifting and translation component B524 drives the stacked material baskets 8 to descend until they fall to the discharge cache conveyor line 522, and then the discharge cache conveyor line 522 transports the stacked material baskets 8 to the other end until they move to the basket dismantling mechanism 527; when the material on the main conveyor line 3 is insufficient, the basket dismantling mechanism 527 will dismantle the stacked material baskets 8 one by one and transport them back to the main conveyor line 3 through the cache lifting and transplanting machine B532, so as to avoid blockage of the production line and make production smoother.

[0063] Furthermore, the basket stacking mechanism 526 and the basket dismantling mechanism 527 have the same structure, but different working sequences. Since the basket stacking mechanism 526 and the basket dismantling mechanism 527 are prior arts, their structures will not be described in detail.

[0064] Further, if Figure 1 As shown, a sampling platform 7 is also provided on both sides of the two main conveyor lines 3 between the stamping and forming equipment 1 and the buffer equipment 5; the staff can conduct sampling inspections on the steel shells 9 during transportation at any time to facilitate timely detection of problems; of course, a sampling inspection workbench can also be set up next to the belt conveyor line 41 to conduct sampling inspections on the steel shells 9 stamped by each stamping and forming equipment 1.

[0065] Further, if Fig.12 As shown, the sampling platform 7 includes a sampling bracket 71, a sampling conveyor line 72 arranged on the sampling bracket 71, and a fixing mechanism 73 arranged on the sampling conveyor line 72 for fixing the sampling material basket 8; the sampling conveyor line 72 is higher than the upper conveyor line of the main conveyor line 3; the upper conveyor line of the main conveyor line 3 is provided with a sampling lifting and translation assembly corresponding to the sampling conveyor line 72;

[0066] The random inspection can be manually selected or program-set. During the random inspection: the random inspection lifting and translation component lifts the basket 8 full of steel shells 9 from the upper conveyor line of the main conveyor line 3, and conveys it to the random inspection conveyor line 72, and then fixes it through the fixing mechanism 73, and then manually performs the random inspection.

[0067] Further, if Fig.13 As shown, the main conveyor line 3 and the slave conveyor line 42 both adopt double-layer conveyor lines, wherein the conveying directions of the upper and lower conveyor lines are opposite, the upper conveyor line is used to convey the basket 8 containing the steel shell 9, and the lower conveyor line is used to convey the empty basket 8; the terminal of the main conveyor line 3 is provided with a main lifting and transplanting machine 6 for transferring the empty basket 8 from the upper conveyor line to the slave conveyor line, and the main conveyor line 3 is provided with a conveying jacking and translation assembly 11 at the inlet and outlet of the slave conveyor line 42; the slave conveyor line 42 is provided with a slave lifting and transplanting machine 421 for transferring the empty basket 8 from the lower conveyor line to the upper conveyor line at one end away from the main conveyor line 3;

[0068] During operation: the upper conveyor line of the slave conveyor line 42 automatically conveys the material basket 8 filled with steel shells 9 to the upper conveyor line of the main conveyor line 3, and is sent to the laser cutting equipment 2 for subsequent processing by the upper conveyor line of the main conveyor line 3, while the empty material basket 8 will be transported to the terminal by the upper conveyor line, and the empty material basket 8 will be transferred from the upper conveyor line to the lower conveyor line by the main lifting transplanter 6, and then returned to each automatic basket loading equipment 4 by the lower conveyor line for cyclic processing; wherein the main conveyor line 3 and the eight slave conveyor lines 42 are connected at the joint with a conveying jacking and translation assembly 11, which can ensure that the material basket 8 is transferred between the main conveyor line 3 and the eight slave conveyor lines 42.

[0069] Furthermore, the main conveyor line 3, the slave conveyor line 42 and the cache conveyor line all adopt double-speed chain conveyor lines; the double-speed chain conveyor line is provided with blockers at the conveying jacking and translational components 11, the cache jacking and translational components, the sampling jacking and translational components, the main lifting and transplanting machine 6, the slave lifting and transplanting machine 421 and other workstations for blocking the material basket 8.

[0070] Further, if Fig.13 As shown, the main conveyor line 3 adopts a fully enclosed structure, and a docking port 12 is provided at the joint with the slave conveyor line 42, the sampling platform 7, the cache equipment 5, the subsequent processing equipment and the main lifting and transplanting machine 6; since the environment of the stamping workshop is relatively harsh, the fully enclosed structure can prevent metal iron filings or particles from adhering to the conveyor line, thereby increasing the service life.

[0071] Further, if Figure 1 and Fig.13 As shown, the cache device 5 also adopts a fully enclosed structure; openable protective windows 13 are provided on the sides of the cache device 5 and the main conveyor line 3 to facilitate daily maintenance and repair; the protective windows 13 are made of transparent materials, such as transparent acrylic plates, to facilitate real-time observation of the conveying conditions.

[0072] The conveying lifting and translation assembly, the buffer lifting and translation assembly, the sampling lifting and translation assembly, the main lifting and transplanting machine 6, the slave lifting and transplanting machine 421 and the buffer lifting and transplanting machine are all existing technologies, so they will not be described in detail.

[0073] The above are only specific application examples of the present invention and do not constitute any limitation on the protection scope of the present invention. Any technical solution formed by equivalent transformation or equivalent replacement shall fall within the protection scope of the present invention.

Claims

1. A buffer conveyor line for punching and blanking of battery shells, characterized in that: It includes a main conveying line for connecting the stamping and forming equipment and the subsequent processing equipment, an automatic basket loading device arranged between the stamping and forming equipment and the main conveying line, and a buffer device arranged on one side of the main conveying line and located between the stamping and forming equipment and the subsequent processing equipment; The automatic basket loading equipment is used to place the stamped steel shells neatly in the material basket, and place the material basket full of steel shells on the main conveyor line; the automatic basket loading equipment includes a belt conveyor line located at the discharge port of the stamping and forming equipment, a slave conveyor line vertically arranged on one side of the main conveyor line, a basket loading rack arranged between the belt conveyor line and the slave conveyor line, an equidistant conveyor belt arranged on the basket loading rack for equidistantly conveying the steel shells, a graduated loading mechanism arranged on the basket loading rack for grabbing the steel shells one by one from the belt conveyor line and placing them on the equidistant conveyor belt, and a swinging material manipulator arranged on the basket loading rack for grabbing multiple steel shells from the equidistant conveyor belt at a time and placing them in the material basket on the slave conveyor line; The main conveyor line and the slave conveyor line are both double-layer conveyor lines, wherein the conveying directions of the upper and lower conveyor lines are opposite, the upper conveyor line is used to convey material baskets containing steel shells, and the lower conveyor line is used to convey empty material baskets; the terminal of the main conveyor line is provided with a main lifting and transplanting machine for transferring empty material baskets from the upper conveyor line to the slave conveyor line, and the main conveyor line is provided with conveying lifting and translation components at the inlet and outlet of the slave conveyor line; the end of the slave conveyor line away from the main conveyor line is provided with a slave lifting and transplanting machine for transferring empty material baskets from the lower conveyor line to the upper conveyor line.

2. The battery cell shell stamping blanking buffer conveyor line according to claim 1, characterized in that: The indexing feeding mechanism includes a mounting seat, a guide bracket vertically arranged on the mounting seat, a lifting frame slidably arranged in the guide bracket, a lifting driver vertically arranged on the basket loading frame for driving the lifting frame to rise and fall, a dividing plate horizontally and rotatably arranged on the top of the lifting frame, a rotary driver arranged in the lifting frame for driving the dividing plate to rotate intermittently, and at least two clamping jaw assemblies arranged at the edge of the dividing plate and rotationally symmetrically placed; each of the clamping jaw assemblies includes a support arm extending radially along the dividing plate, and a clamping jaw cylinder horizontally arranged at the end of the support arm.

3. The battery cell shell stamping blanking buffer conveyor line according to claim 2, characterized in that: Each of the clamping jaw assemblies is also provided with a rotating cylinder between the supporting arm and the clamping jaw cylinder, which is used to drive the clamping jaw assembly to drive the steel shell to vertically flip 180 degrees.

4. The battery cell shell stamping blanking buffer conveyor line according to claim 1, characterized in that: The material swinging robot comprises a multi-axis robot arm and a material picking assembly arranged at the driving end of the multi-axis robot arm; the material picking assembly comprises a variable pitch module and a plurality of pneumatic clamps vertically arranged at the driving end of the variable pitch module; a sensor for sensing whether there is material is arranged in the pneumatic clamp.

5. The battery cell shell stamping blanking buffer conveyor line according to claim 1, characterized in that: A floating component is arranged between the multiple driving ends of the variable pitch module and the pneumatic clamp; the floating component includes a fixed plate vertically arranged at the driving end of the variable pitch module, a slide rail vertically arranged on the fixed plate, and a floating plate slidably arranged on the slide rail; the top of the floating plate is connected to the driving end of the variable pitch module through a spring; the pneumatic clamp is installed on the lower end side of the floating plate; a sensor is arranged on the fixed plate; a sensor sheet that can trigger the sensor is arranged on the floating plate; when the sensor sheet triggers the sensor, it means that the pneumatic clamp has hit a foreign object, and the swinging robot cannot drive the pneumatic clamp to continue to move downward.

6. The battery cell shell stamping blanking buffer conveyor line according to claim 1, characterized in that: Positioning components for fixing the material basket are arranged on both sides of the upper conveyor line of the slave conveyor line; the positioning components include a positioning frame, a positioning cylinder horizontally arranged on the positioning frame and placed perpendicular to the conveying direction of the upper conveyor line, a positioning plate arranged at the driving end of the positioning cylinder, and at least two positioning columns horizontally spaced apart and arranged on the positioning plate and insertable into the positioning holes on the side of the material basket.

7. The battery cell shell stamping blanking buffer conveyor line according to claim 1, characterized in that: The periphery of the automatic basket loading device is provided with a guardrail and a safety grating.

8. The battery cell casing stamping blanking buffer conveyor line according to any one of claims 1 to 7, characterized in that: The cache device includes a cache rack, multiple layers of cache lines arranged on the cache rack, and a lifting device arranged between the main conveying line and the cache lines; Each layer of the cache line includes two cache conveyor lines placed vertically and on the same horizontal plane as the main conveyor line, a translation machine located between the two cache conveyor lines and higher than the cache conveyor lines, and cache lifting and translation components respectively arranged at one end of the two cache conveyor lines away from the main conveyor line and corresponding to the translation machine; a stacking mechanism for stacking material baskets is provided at the inlet of one of the cache conveyor lines, and a disassembling mechanism for disassembling the stacked material baskets into one by one is provided at the outlet of the other cache conveyor line; The lifting equipment includes buffer lifting and transplanting machines which are respectively arranged at the inlets and outlets of two buffer conveying lines and are symmetrically placed.

9. The battery cell shell stamping blanking buffer conveyor line according to claim 1, characterized in that: A sampling platform is arranged on one side of the main conveyor line between the stamping and forming equipment and the buffer equipment; the sampling platform includes a sampling bracket, a sampling conveyor line arranged on the sampling bracket, and a fixing mechanism arranged on the sampling conveyor line for fixing the sampling material basket; the sampling conveyor line is higher than the upper conveyor line of the main conveyor line; and a sampling lifting and translation component corresponding to the sampling conveyor line is arranged on the upper conveyor line of the main conveyor line.

10. The battery cell shell stamping blanking buffer conveyor line according to claim 8, characterized in that: The main conveyor line and the cache equipment both adopt a fully enclosed structure; the main conveyor line is provided with docking interfaces at the joints with the slave conveyor line, the sampling platform, the cache equipment, the subsequent processing equipment and the main lifting and transplanting machine; openable protective windows are provided on the sides of the cache equipment and the main conveyor line; the protective windows are made of transparent materials.

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