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CN-121974187-A - Belt cutting rod, position changing mechanism thereof and automatic reel changing device

CN121974187ACN 121974187 ACN121974187 ACN 121974187ACN-121974187-A

Abstract

The invention provides a strip cutting rod, a displacement mechanism and an automatic roll changing device thereof, wherein the strip cutting rod comprises a connecting piece, a first strip cutting piece, a second strip cutting piece and a strip seam, the first strip cutting piece, the second strip cutting piece and the automatic roll changing device are fixed at the same end of the connecting piece, the first strip cutting piece comprises a plurality of pistons arranged in the connecting piece, movable clamps connected with the pistons and a cutter, the second strip cutting piece comprises fixed clamps, the strip cutting rod is used for sleeving and clamping a pole strip for receiving and changing a roll when an old pole strip is used up in the production process of a pole strip, the displacement mechanism comprises a feeding and withdrawing mechanism, a deflection mechanism and a turnover mechanism, the strip is used for sleeving the pole strip by pushing the strip cutting rod far and the near to supply the strip to clamp the strip cutting, and the pole strip clamped by the pole strip is turned over by a preset angle, and then the strip is connected by the preset angle, and the automatic roll changing device also comprises two unreeling mechanisms fixed at two sides of the displacement mechanism, and used for reeling and sleeving the strip, clamping the strip, cutting strip and the strip turning and the strip is used for realizing roll changing.

Inventors

  • LIN SHUIXIONG
  • LI JUNLI
  • YAO ZHIPING

Assignees

  • 深圳市誉辰智能装备股份有限公司

Dates

Publication Date
20260505
Application Date
20260215

Claims (8)

  1. 1. The utility model provides a cut area pole (270), includes connecting piece (271) and fixes first cutting area piece (272) and second cutting area piece (273) in its same end, its characterized in that, first cutting area piece (272) with be equipped with between second cutting area piece (273) and take slit (274) for entangle polar band (01), first cutting area piece (272) are including locating inside a plurality of pistons (2722) and with a plurality of movable clamp (2726) and cutter (2729) that piston (2722) are connected, a plurality of piston (2722) are used for promoting movable clamp (2726) to fixed clamp (2732) of second cutting area piece (273) lean on closely to clamp polar band (01), and continue to promote cutter (2729) cut off polar band (01).
  2. 2. The slitter bar (270) of claim 1, wherein the first slitter member (272) further comprises a first bar body (2721), the first bar body (2721) comprising a head (27211), an intake hole (27213), an air channel (27214), an arch (27217), and a plurality of cylinder cavities (27215); The utility model provides a pair of pneumatic hose clamp comprises a first rod body (2721), a first cutter (2729) and a second cutter (2729), wherein a spindle nose (27211) is arranged at one end of the first rod body (2721), an arch hole (27217) is arranged at the other end of the first rod body (2721), a plurality of pistons (2722) are used for containing the movable clamp (2726) and the cutters (2729) which are connected with the pistons (2722), an air inlet hole (27213) is arranged at the middle part of the spindle nose (27211), an air channel (27214) is arranged in the side wall of the arch hole (27217), the air inlet hole (27213) extends to the other end of the first rod body (2721), a plurality of cylinder cavities (27215) are arranged at intervals in the top of the arch hole (27217) and are communicated with the air channel (27214), and the openings of the cylinder cavities (3995) are arranged on the top surface of the arch hole (27217), the positions of the cylinder cavities (2795) are aligned with the pistons (2722) to form a plurality of air cylinders, and the air inlet hole (27213) and the air channel (27214) are used for pushing the pistons (2796) to the movable clamp (2726) to cut off the first clamp (2701) and the second clamp (2701) to the second clamp the second pneumatic hose clamp (2732).
  3. 3. The tape cutting bar (270) of claim 2 wherein said first tape cutting member (272) further comprises a connecting frame (2723) and a plurality of connecting units (2724), a plurality of said connecting units (2724) being disposed in said first bar (2721) at intervals, a plurality of said pistons (2722) being secured to said connecting frame (2723) at intervals, said movable clamp (2726) being connected to said connecting frame (2723) by a plurality of said connecting units (2724), said cutter (2729) being secured to a side of said connecting frame (2723), compressed air pushing a plurality of said pistons (2722) to entrain tape cutting with said connecting frame (2723) together with said movable clamp (2726) and said cutter (2729).
  4. 4. The tape cutting bar (270) of claim 3 wherein said connection unit (2724) comprises a capped tape tooth guide bar (27241), a first compression spring (27242), a first guide sleeve (27243), a second guide sleeve (27244), a second compression spring (27245) and a guide bar locking screw (27246); The first guide sleeve (27243) is fixed in a first guide sleeve hole (27216) of the first rod body (2721), the second guide sleeve (27244) is fixed in the connecting frame (2723), the capped toothed guide rod (27241) firstly passes through the first pressure spring (27242), then sequentially passes through the first guide sleeve (27243) and the second guide sleeve (27244) from the outside of the first rod body (2721), passes through the second pressure spring (27245) and finally is locked on the movable clamp (2726), and the guide rod locking screw (27246) locks the movable clamp (2726) on the capped toothed guide rod (27241); Compressed air pushes a plurality of pistons (2722) to bring the connecting frame (2723) together with the movable clamp (2726) and the cutter (2729) and the capped toothed guide rod (27241) to compress the first pressure spring (27242) to clamp the polar belt (01) tightly against the fixed clamp (2732), and continuously pushes the connecting frame (2723) to bring the cutter (2729) to move towards the fixed clamp (2732) relative to the movable clamp (2726) to compress the second pressure spring (27245) to cut off the polar belt (01).
  5. 5. The strap cutting bar (270) of claim 3 wherein said second strap cutting member (273) further comprises a second bar (2731) securing said fixed clamp (2732), said strap slot (274) being formed between said fixed clamp (2732) and said movable clamp (2726) for housing a pole strap (01).
  6. 6. A displacement mechanism (200) for driving the tape cutting rod (270) according to any one of claims 1 to 5 to sleeve a polar tape (01), then clamping the polar tape (01) and turning over a predetermined angle and then deflecting the polar tape by a predetermined angle for tape connection.
  7. 7. The deflection mechanism (200) according to claim 6, comprising a forward and backward mechanism, a deflection mechanism and a turning mechanism, wherein the forward and backward mechanism comprises a forward and backward driving module (220) and a forward and backward carriage (230) fixed on an output end thereof, the deflection mechanism comprises a deflection driver (240) fixed on the forward and backward carriage (230) and a deflection frame (250) fixed on an output end thereof, the turning mechanism comprises a turning driver (260), the turning driver (260) is fixed on the deflection frame (250), the tape cutting bar (270) according to any one of claims 1 to 5 is fixed on an output end of the turning driver (260), the forward and backward driving module (220) is used for driving the forward and backward carriage (230) to move forward and backward with the tape cutting bar (270) for sheathing a polar tape (01) and clamping a polar tape (01), the turning driver (260) is used for driving the tape cutting bar (270) to turn a predetermined angle against the deflection driver (250) for clamping the polar tape (01) in conjunction with the deflection driver (250).
  8. 8. An automatic reel changing device comprises two reel erecting mechanisms (300) for erecting a pole reel (01A) and releasing or feeding the pole reel (01), and is characterized by further comprising a tape cutting rod (270) according to any one of claims 1-5 and a deflection mechanism (200) according to any one of claims 6-7, wherein the two reel erecting mechanisms (300) are fixed on two sides of the deflection mechanism (200), the deflection mechanism (200) is used for driving the tape cutting rod (270) to move back and forth so that the tape cutting rod (270) is used for sleeving a pole reel (01) of an old pole reel (01A), the tape cutting rod (270) is used for sleeving and clamping the pole reel (01) for re-cutting, the deflection mechanism (200) is also used for driving the tape cutting rod (270) to turn over a tail of the pole reel (01) by a preset angle, and driving the tape cutting rod (270) to deflect by a preset angle with the clamped pole reel (01) so that the tail of the pole reel (01) is adhered to the head of the pole reel (01) of a new pole reel (01) to finish splicing the pole reel (01).

Description

Belt cutting rod, position changing mechanism thereof and automatic reel changing device Technical Field The invention belongs to the technical field of battery pole belt manufacturing equipment or battery pole piece manufacturing equipment, and particularly relates to a belt cutting rod, a position changing mechanism thereof and an automatic reel changing device. Background The anode sheet of the battery core of the lithium battery is formed by coating the two sides of a copper foil with lithium-containing amorphous carbon powder, and the cathode sheet is formed by coating the two sides of an aluminum foil with binary lithium iron phosphate powder or ternary nickel manganese cobalt phosphate powder, wherein in the production process, a pole belt (01) is formed according to the shape of the foil belt, and then the pole belt (01) is wound into a pole belt roll (01A). In the pole piece production process, the pole piece is cut out from the pole strip (01) by unreeling the pole strip coil (01A). For this purpose, an automatic reel changing device is required for automatically changing a new pole coil (01A) when an old pole coil (01A) is used up in the pole piece production process, so that the downtime for reel changing is reduced. In the prior art CN201710146783, a pole piece die cutting device and a die cutting method thereof are disclosed, a roll feeding and receiving mechanism 11 and a roll receiving mechanism 31 are disclosed, each of which comprises a first reel 41, a second reel 42 and a receiving assembly 43, the receiving assembly 43 comprises a first receiving cylinder 431, a second receiving cylinder 432 and a material guiding roller 433, pole piece raw materials (rolls) are placed on the first reel 41 and the second reel 42, during production, firstly, the raw materials (pole strip heads) of the second reel 42 are fed through the first reel 41, fixedly arranged between the first receiving cylinder 431 and the second receiving cylinder 432, when the pole piece raw materials of the first reel 41 are consumed, a material feeding sensor sends an electric signal to enable the output shafts of the first receiving cylinder 431 and the second receiving cylinder 432 to approach the middle at the same time, the pole piece raw materials (pole strip tails) of the first reel 41 and the pole piece raw materials (pole strip heads) of the second reel 42 in the moving process are connected, then, the raw material (roll) end (roll) of the pole piece (roll) of the first reel 41 is cut off, the raw material (roll) is fed through the first reel 41, the reel (pole strip heads) is converted, and the production efficiency of the pole piece (roll) is not required to be stopped, and the production efficiency is improved. The roll feeding and tape splicing mechanism 11 and the roll receiving and tape splicing mechanism 31 have a problem that a cutting mechanism is not clear and cannot be realized by a person skilled in the art. The prior art CN202222509839.0 is a rod and truck, and discloses a rod 300, which comprises a rod 310, a rod mounting member 320 and a tensioning assembly 330, wherein the rod 310 is used for inserting materials, the rod mounting member 320 is fixed on the rod 310 and used for connecting with external mechanisms, and the tensioning assembly 330 is arranged in the rod 310 and can partially extend out of the rod 310 to abut against the materials and fix the materials, so that the materials are prevented from being guided on the rod 310. The insertion bar 300 has a problem in that it cannot grip the strip and cannot cut the strip. Therefore, a belt cutting rod, a position changing mechanism thereof and an automatic reel changing device are developed and used for unreeling a frame reel, clamping a belt, cutting the belt, turning the belt and connecting the belt in a bias way so as to realize automatic reel changing and reduce the downtime of reel changing. Disclosure of Invention The invention aims to provide a strip cutting rod which comprises a connecting piece, a first strip cutting piece and a second strip cutting piece, wherein the first strip cutting piece and the second strip cutting piece are fixed at the same end of the connecting piece, a strip gap is formed between the first strip cutting piece and the second strip cutting piece and is used for sleeving a polar strip, the first strip cutting piece comprises a plurality of pistons arranged inside, a movable clamp connected with the pistons and a cutter, the pistons are used for pushing the movable clamp to a fixed clamp of the second strip cutting piece to clamp the polar strip, and the cutter is further pushed to cut the polar strip. Further, the first belt cutting piece further comprises a first rod body, wherein the first rod body comprises a shaft head, an air inlet hole, an air passage, an arch hole and a plurality of cylinder cavities; The axle head is located the one end of first body of rod, the other end of first body of rod is located