Disclosure of Invention
The invention aims to overcome the defects and provide a high-speed battery pole piece slitting device with adjustable slitting space.
In order to achieve the purpose, the invention adopts the following specific scheme:
a battery pole piece high-speed slitting device with adjustable slitting intervals comprises a rack, a lifting mechanism, an upper slitting mechanism and a lower slitting mechanism, wherein the lifting mechanism is arranged at the top end of the rack;
the upper slitting mechanism comprises an upper bearing plate fixed at the output end of the lifting mechanism, two upper slitter cutters symmetrically and slidably connected to the upper bearing plate, and two upper spacing adjusting assemblies symmetrically arranged at two ends of the upper bearing plate, wherein the two upper slitter cutters are respectively provided with an upper slitter blade, the two upper slitter blades are symmetrically arranged, and two ends of each upper slitter cutter are respectively and correspondingly fixedly connected with moving ends of the two upper spacing adjusting assemblies;
lower cutting mechanism locates the lower interval adjusting part at lower loading board both ends including the lower loading board, two symmetry sliding connection that locate the frame bottom at the lower cutter seat and two symmetries of loading board down, the loading board corresponds the feed opening down and is equipped with the unloading breach, two the lower cutter seat is equipped with down-cut blade and pole piece bearing board respectively, two down-cut blade symmetry sets up, two pole piece bearing board symmetry sets up, and corresponds separately and paste and lean on down-cut blade, the both ends of lower cutter seat correspond respectively and hold with two removal of interval adjusting part down and be connected.
The upper spacing adjusting assembly and the lower spacing adjusting assembly respectively comprise a cutter variable-pitch motor, a screw support, a positive and negative screw rod and two movable nuts which are respectively in threaded connection with the two ends of the positive and negative screw rod, the screw support is fixed at the bottom end of the frame, the positive and negative screw rod is rotatably connected onto the screw support, the cutter variable-pitch motor is fixed at one end of the screw support and is in transmission connection with one end of the positive and negative screw rod, two nut fixed blocks are arranged at the ends, close to each other, of the movable nuts, nut fixed blocks are respectively arranged at the two ends of the upper cutter holder and are connected onto the movable nuts of the upper spacing adjusting assembly, nut sleeve blocks are respectively arranged at the two ends of the lower cutter holder, and the nut sleeve blocks are connected onto the movable nuts of the lower.
The lower bearing plate is symmetrically provided with two fixed spring seats, the bottom surfaces of the two lower cutter seats are respectively provided with a sliding spring seat corresponding to the two fixed spring seats, a compression spring is connected between the fixed spring seats and the sliding spring seats, the nut sleeve block is kept to be tightly attached to the flange end surface of the moving nut under the action of the compression spring, the lower cutter seats are symmetrically provided with two extrusion roller groups, and the pole piece bearing plate is positioned between the two extrusion roller groups; the upper cutter holder is symmetrically provided with two inclined ejector blocks, the upper cutter blade is positioned between the two inclined ejector blocks, and the distance between the free end of each inclined ejector block and the upper cutter holder is smaller than the distance between the cutting edge of the upper cutter blade and the upper cutter holder; after the battery pole piece is cut off, the inclined ejecting block is correspondingly contacted and extruded with the extrusion roller set, so that the distance between the two lower cutting blades is increased.
Wherein the inclined ejecting block is provided with an inclined surface; the extrusion roller group comprises a roller seat, a roller shaft and a contact roller, the roller seat is fixed on the lower cutter seat, and the contact roller is rotatably connected to the roller seat through the roller shaft.
The lifting mechanism comprises a lifting cylinder and a lifting plate, the lifting cylinder is fixed at the top end of the rack, the output end of the lifting cylinder faces downwards, and the lifting plate is fixedly connected with the output end of the lifting cylinder; the lifting plate extends upwards to be provided with two guide posts, the two guide posts are located on two opposite angle positions of the lifting plate, and the two guide posts penetrate upwards through the top end of the rack and are connected with the top end of the rack through linear bearings.
The invention has the beneficial effects that: compared with the prior art, the battery pole piece cutting device has the advantages that the upper cutter mechanism and the lower cutter mechanism are respectively provided with the spacing adjusting assemblies, so that different cutting specifications of the battery pole piece can be adapted, the structure is more flexible, the production time for cutting the battery pole piece is greatly saved, the production efficiency is improved, and the production cost is reduced.
Detailed Description
The invention will be described in further detail with reference to the following figures and specific examples, without limiting the scope of the invention.
As shown in fig. 1 to 6, the high-speed battery pole piece slitting device with an adjustable slitting distance in this embodiment includes a frame 1, a lifting mechanism 2, an upper slitting mechanism 3 and a lower slitting mechanism 4, where the lifting mechanism 2 is disposed at the top end of the frame 1, the upper slitting mechanism 3 is disposed at the output end of the lifting mechanism 2, the lower slitting mechanism 4 is disposed at the bottom end of the frame 1 and corresponds to the upper slitting mechanism 3, and a feed opening 11 is disposed at the bottom end of the frame 1;
the upper splitting mechanism 3 comprises an upper bearing plate 31 fixed at the output end of the lifting mechanism 2, two upper cutter holders 32 symmetrically and slidably connected to the upper bearing plate 31, and two upper spacing adjusting assemblies 33 symmetrically arranged at two ends of the upper bearing plate 31, wherein the two upper cutter holders 32 are respectively provided with an upper cutter blade 34, the two upper cutter blades 34 are symmetrically arranged, and two ends of the upper cutter holder 32 are respectively and correspondingly fixedly connected with moving ends of the two upper spacing adjusting assemblies 33;
lower cutting mechanism 4 locates the lower interval adjusting part 43 at lower bearing board 41 both ends including lower bearing board 41, two symmetry sliding connection that locate 1 bottom in the frame 41 and two symmetries lower cutter seat 42 and two, lower bearing board 41 corresponds feed opening 11 and is equipped with unloading breach 411, two lower cutter seat 42 is equipped with down cutter piece 44 and pole piece bearing board 45 respectively, two down cutter piece 44 symmetry sets up, two pole piece bearing board 45 symmetry sets up, and corresponds separately and paste and lean on lower cutter piece 44, the both ends of lower cutter seat 42 correspond respectively and two removal end connections of interval adjusting part 43 down.
Specifically, the two ends of the upper cutter holder 32 and the lower cutter holder 42 are slidably connected to the upper bearing plate 31 and the lower bearing plate 41 through the linear guide and the slider respectively.
The working mode of the embodiment is as follows: when a battery pole piece is cut, the lifting mechanism 2 drives the upper cutting mechanism 3 to move downwards, the upper cutting mechanism 3 is matched with the lower cutting mechanism 4 to cut the battery pole piece, after the battery pole piece is cut off, the lifting mechanism 2 drives the upper cutting mechanism 3 to move upwards, and the cut battery pole piece falls from the feed opening 11 after passing through the feed gap 411; specifically, according to different specifications of the battery pole pieces, the upper spacing adjustment assembly 33 of the upper slitting mechanism 3 adjusts the spacing between the two upper cutter blades 34 by driving the two upper cutter holders 32 to move in opposite directions or move in opposite directions, and the lower spacing adjustment assembly 43 of the lower slitting mechanism 4 adjusts the spacing between the two lower cutter blades 44 by driving the two lower cutter holders 42 to move in opposite directions or move in opposite directions so as to adapt to the specification of the battery pole pieces to be cut at present, after the adjustment is completed, the battery pole pieces are placed on the two pole piece support plates 45 of the lower slitting mechanism 4 and located above the blanking notch 411, and by arranging the pole piece support plates 45, the wrinkle of the battery pole pieces can be avoided, the yield of the cut battery pole pieces is ensured, then the lifting mechanism 2 drives the whole upper slitting mechanism 3 to perform downward probing through the upper bearing plate 31, at this time, the two upper cutter blades 34 are respectively matched with the two lower cutter blades 44, the battery pole pieces are cut, after the cutting of the battery pole pieces is finished, the upper cutting mechanism 3 moves upwards, at the moment, the battery pole pieces between the two lower cutting blades 44 fall into the feed opening 11 of the rack 1 through the feed gap 411 under the dead weight, then fall from the feed opening 11 and are transferred out of a working area, so that the cutting work of the battery pole pieces is finished, and the process is repeated so as to continuously cut the battery pole pieces; for battery pole pieces with different specifications, the cutting requirements of the battery pole pieces with different specifications can be met only by adjusting the distance between the upper cutter set and the lower cutter set through the upper distance adjusting assembly 33 and the lower distance adjusting assembly 43.
The embodiment sets up interval adjusting part respectively on last cutter mechanism and lower cutter mechanism to can adapt to the different specifications of cutting of battery pole piece, the structure is more nimble, saves the production time that battery pole piece was cut greatly, improves production efficiency, reduction in production cost.
In addition, in the embodiment, the cutting edge gap between the lower cutting blade 44 and the upper cutting blade 34 can be adjusted by the upper spacing adjusting assembly 33 and the lower spacing adjusting assembly 43, so that the defects of notch burrs and the like caused by the thickness change of the battery pole piece are avoided, and the cutting effect on the battery pole pieces with different thicknesses is ensured; meanwhile, the size change caused by the sharpening of the cutting edges of the upper cutter blade 34 and the lower cutter blade 44 can also be compensated by the upper spacing adjusting assembly 33 and the lower spacing adjusting assembly 43.
Based on the above embodiment, further, as shown in fig. 2, the lifting mechanism 2 includes a lifting cylinder 21 and a lifting plate 22, the lifting cylinder 21 is fixed at the top end of the frame 1, and the output end of the lifting cylinder faces downward, the lifting plate 22 is fixedly connected with the output end of the lifting cylinder 21, the upper slitting mechanism 3 is driven by the cylinder to slit, and the cost is lower; the lifter plate 22 upwards extends has two guide posts, two the guide post is located two diagonal positions of lifter plate 22, two the guide post upwards passes the top of frame 1, and is connected through linear bearing and the top of frame 1, so sets up, and the last cutting mechanism 3 that makes reciprocates more stably, avoids cutting the in-process and produces the burr defect, guarantees the yields of the battery pole piece after cutting.
Based on the above embodiment, as shown in fig. 3 to fig. 6, each of the upper and lower distance adjusting assemblies 33 and 43 includes a cutter pitch motor 100, a screw bracket 102, a positive and negative threaded rod 103, and two moving nuts 104 respectively threaded at two ends of the positive and negative threaded rod 103, the screw bracket 102 is fixed at the bottom end of the frame 1, the positive and negative threaded rod 103 is rotatably connected to the screw bracket 102, the cutter pitch motor 100 is fixed at one end of the screw bracket 102 and is in transmission connection with one end of the positive and negative threaded rod 103, one end of the two moving nuts 104 close to each other is provided with a flange end face, two ends of the upper cutter holder 32 are respectively provided with a nut fixing block 35, the nut fixing block 35 is connected to the moving nut 104 of the upper distance adjusting assembly 33, two ends of the lower cutter holder 42 are respectively provided with a nut sleeve block 46, the nut block 46 is connected to the traveling nut 104 of the lower spacing adjustment assembly 43. During operation, the upper spacing adjusting assembly 33 and the lower spacing adjusting assembly 43 both drive the positive and negative screw rods 103 to rotate through the cutter variable pitch motor 100, so that the two movable nuts 104 move in opposite directions or move in opposite directions, and then drive the two upper slitting seats and the two lower slitting seats to move, and the purposes of adjusting the spacing between the two upper slitting blades and the spacing between the two lower slitting blades are achieved, so that the battery pole piece slitting machine is suitable for different slitting specifications of battery pole pieces. In the embodiment, the screw rods 103 with positive and negative teeth are used for adjusting the blade spacing, the symmetry is good, and the screw thread self-locking function ensures the rigidity of the upper cutting blade 34 and the lower cutting blade 44.
Based on the above embodiment, further, as shown in fig. 4 to 6, the nut sleeve block 46 is movably sleeved on the moving nut 104 of the lower distance adjusting assembly 43, the lower bearing plate 41 is symmetrically provided with two fixed spring seats 47, the bottom surfaces of the two lower cutter seats 42 are respectively provided with sliding spring seats 48 corresponding to the two fixed spring seats 47, a compression spring 49 is connected between the fixed spring seats 47 and the sliding spring seats 48, under the action of the compression spring 49, the nut sleeve block 46 keeps clinging to the flange end surface of the moving nut 104, the lower cutter seats 42 are symmetrically provided with two extrusion roller sets 40, and the pole piece supporting plate 45 is located between the two extrusion roller sets 40; as shown in fig. 3, the upper cutter holder 32 is symmetrically provided with two inclined ejector blocks 30, the upper cutter blade 34 is positioned between the two inclined ejector blocks 30, and the distance between the free end of the inclined ejector block 30 and the upper cutter holder 32 is smaller than the distance between the cutting edge of the upper cutter blade 34 and the upper cutter holder 32; after the battery pole pieces are cut off, the inclined ejecting block 30 is correspondingly contacted and extruded with the extrusion roller set 40, so that the distance between the two lower cutting blades 44 is increased.
When the battery pole piece cutting device is in actual use, after the battery pole piece is cut off, the inclined jacking block 30 of the upper slitting mechanism 3 and the extrusion roller group 40 of the lower slitting mechanism 4 are respectively matched correspondingly to overcome the elasticity of the compression spring 49 to jack the two lower cutter seats 42, at the moment, the lower cutter seats 42 drive the nut sleeve block 46 to move relative to the moving nut 104 to slide, so that the distance between the two lower cutter blades 44 is enlarged, the cut battery pole piece can fall off from between the two lower cutter blades 44 conveniently, smooth blanking is ensured, and the phenomenon that the cut battery pole piece is clamped between the two lower cutter blades 44 is avoided; preferably, two compression springs 49 are connected between the fixed spring seat 47 and the sliding spring seat 48 to ensure the rigidity requirement of the lower slitting blade when the battery pole piece is slit. In this embodiment, the distance between the free end of the slanted ejecting block 30 and the upper cutter seat 32 is smaller than the distance between the cutting edge of the upper cutter blade 34 and the upper cutter seat 32, that is, the joint point of the slanted ejecting block 30 and the pressing roller set 40 is located behind the cut-off point of the battery pole piece, so as to ensure that the battery pole piece is cut.
Based on the above embodiment, further, the inclined top block 30 has an inclined surface; the extrusion roller set 40 includes a roller seat, a roller shaft and a contact roller, the roller seat is fixed on the lower cutter seat 42, and the contact roller is rotatably connected to the roller seat through the roller shaft. During operation, the upper cutting blade 34 and the lower cutting blade 44 cooperate to cut off the battery pole piece, the inclined surface of the inclined ejecting block 30 abuts against the contact roller of the extrusion roller set 40, and the extrusion force is applied to the extrusion roller set 40, so that the two lower cutting knife bases slide relative to the lower bearing plate 41 after overcoming the elasticity of the compression spring 49, namely, the distance between the two lower cutting blades is increased, and the cut-off battery pole piece falls off from the blanking notch 411.
The above description is only a preferred embodiment of the present invention, and all equivalent changes or modifications of the structure, characteristics and principles described in the present patent application are included in the protection scope of the present patent application.