CN220407227U - Slicing mechanism of battery pole piece - Google Patents

Abstract

The utility model relates to a slicing mechanism of a battery pole piece, which comprises a base, an installation seat positioned above the base, a cutting driving device arranged on the installation seat, a second conveying device positioned on one side of the base, a first cutting knife group and a second cutting knife group which are arranged on the base at intervals, and a first conveying device positioned between the first cutting knife group and the second cutting knife group, wherein the cutting driving device is respectively in driving connection with the first cutting knife group and the second cutting knife group; the first conveying device comprises a fixed seat and a conveying driver which are respectively arranged on the base, and a transmission belt assembly which is rotationally arranged on the fixed seat. The transmission belt assembly is rotatably arranged on the fixed seat, and the transmission belt assembly and the fixed seat support the battery pole piece in a matched manner, so that the smooth and stable conveying of the battery pole piece is facilitated, and the battery pole piece can be conveniently and rapidly conveyed to the second conveying device; the first cutting knife set and the second cutting knife set are convenient for cutting the battery pole piece respectively, and the cutting efficiency is high.

Description

Slicing mechanism of battery pole piece

Technical Field

The utility model relates to the technical field of battery manufacturing, in particular to a slicing mechanism of a battery pole piece.

Background

The lithium battery is a primary battery using lithium metal or lithium alloy as a negative electrode material and using a nonaqueous electrolyte solution, and is different from a rechargeable battery lithium ion battery and a lithium ion polymer battery, wherein a pole piece is an important part of the battery and is a core of the battery, a positive pole piece and a negative pole piece are respectively coated with slurry containing lithium ions on aluminum platinum, and the negative pole piece is coated with slurry containing graphite as a main component on copper platinum. In the prior art, the pole piece is required to be cut on a cutting machine after production, so that the pole piece is cut to be of a required width.

The patent application number is: CN202210612818.3 patent application name is a control method and device for battery pole piece slicing system, and the patent application of the battery pole piece slicing system discloses that the method comprises the steps of obtaining working parameters of the battery pole piece slicing system; calculating a first run time based on the distance of the third traction axis to the output device and the target acceleration; calculating a second running time based on the traction time interval and the first running time; calculating action delay of adjacent traction shafts based on the target pulling distance and the synchronous speed; generating a traction shaft action control scheme based on the first running time, the second running time and the action delay; and performing operation control on the three traction shafts according to a traction shaft action control scheme. This patent discloses a system and apparatus for controlling the double cutters, but does not disclose a specific apparatus for cutting the battery pole pieces. However, the existing cutting device for the battery pole piece is complex in structure, large in occupied space, poor in stability during cutting and low in cutting efficiency.

Thus, the drawbacks are quite apparent and there is a need to provide a solution.

Disclosure of Invention

In order to solve the technical problems, the utility model aims to provide a slicing mechanism of a battery pole piece.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the slicing mechanism comprises a base, a mounting seat positioned above the base, a cutting driving device arranged on the mounting seat, a second conveying device positioned on one side of the base, a first cutting knife set and a second cutting knife set which are arranged on the base at intervals, and a first conveying device positioned between the first cutting knife set and the second cutting knife set, wherein the cutting driving device is respectively in driving connection with the first cutting knife set and the second cutting knife set; the first conveying device comprises a fixed seat, a conveying driver and a transmission belt assembly, wherein the fixed seat and the conveying driver are respectively arranged on the base, the transmission belt assembly is rotationally arranged on the fixed seat, and the transmission belt assembly is connected with the output end of the conveying driver; the cutting driving device is used for driving the first cutting knife set and the second cutting knife set to respectively cut the pole pieces on two sides of the transmission belt assembly.

Further, the first cutting knife group comprises a first lower cutting knife arranged on the base and a first upper cutting knife arranged on the base in a lifting manner, and the first upper cutting knife is connected with the output end of the cutting driving device; the first upper cutter can be sheared with the first lower cutter to shear the battery pole piece between the first upper cutter and the first lower cutter.

Further, the first cutting knife group further comprises a guide post arranged on the first lower cutting knife, a first knife holder connected to the first upper cutting knife and a guide hole penetrating through the first knife holder, the guide post is in sliding connection with the inner wall of the guide hole, and the first knife holder is connected with the output end of the cutting driving device.

Further, the second cutting knife set comprises a second lower cutting knife arranged on the base and a second upper cutting knife arranged on the base in a lifting manner, and the second upper cutting knife is connected with the output end of the cutting driving device; the second upper cutter can be sheared with the second lower cutter to shear the battery pole piece between the second upper cutter and the second lower cutter.

Further, the cutting driving device comprises a cutting driver arranged on the mounting seat, a transmission shaft assembly arranged at the output end of the cutting driver and a sliding seat in sliding connection with the mounting seat, wherein the transmission shaft assembly is in transmission connection with the sliding seat, and the sliding seat is respectively connected with the first cutting knife group and the second cutting knife group.

Further, the transmission shaft assembly comprises a first connecting shaft connected to the output end of the cutting driver, a second connecting shaft rotatably arranged on the mounting seat, an eccentric shaft with two ends eccentrically connected with the first connecting shaft and the second connecting shaft respectively, and a connecting rod rotatably sleeved outside the eccentric shaft, wherein the connecting rod is rotatably connected with the sliding seat.

Further, the mounting seat is of a box body structure with an opening at the lower part, and the mounting seat is coated outside the transmission shaft assembly.

Further, the driving belt assembly comprises a second driving belt, a driving wheel arranged at the output end of the conveying driver, a driven wheel rotationally arranged on the base, a first driving belt wound on the driving wheel and the driven wheel, a driving shaft with one end connected with the driving wheel and a driven shaft with one end connected with the driven wheel, the other ends of the driving shaft and the driven shaft respectively protrude into the fixing seat, a notch is formed in the fixing seat, the driving wheel and the driven wheel can leak from the notch, and the second driving belt respectively winds outside the driving wheel and the driven wheel which are arranged at the fixing seat and the notch.

Further, the transmission belt assembly further comprises a lower concave surface arranged on the fixing seat, and the lower concave surface is positioned below the second transmission belt.

Further, the transmission belt assembly further comprises an air suction pipe arranged at the bottom end of the fixing seat and an air suction channel arranged in the fixing seat, and the air suction channel is communicated with the lower concave surface.

The utility model has the beneficial effects that: the utility model has simple and compact structure, the transmission belt component is rotationally arranged on the fixed seat, and the transmission belt component and the fixed seat support the battery pole piece in a matched way, thereby being beneficial to the smooth and stable conveying of the battery pole piece and facilitating the rapid conveying of the battery pole piece to the second conveying device. The cutting driving device is arranged above the first cutting knife set and the second cutting knife set through the mounting seat, so that the cutting driving device is convenient to drive the first cutting knife set and the second cutting knife set to respectively cut the battery pole pieces, and the cutting efficiency of the battery pole pieces is improved when the battery pole pieces are accurately cut.

Drawings

Fig. 1 is a schematic perspective view of the present utility model.

Fig. 2 is a schematic view of a partial perspective structure of the present utility model.

Fig. 3 is a side view of the present utility model.

Fig. 4 is a schematic perspective view of a first cutting blade set and a second cutting blade set according to the present utility model.

Fig. 5 is a partial side view of the cutting drive of the present utility model.

Fig. 6 is a schematic perspective view of a second conveying device according to the present utility model.

Reference numerals illustrate:

1. a base; 2. a mounting base; 3. a cutting driving device; 4. a second conveying device; 5. a first cutting knife set; 6. a second cutting knife set; 7. a first conveying device; 31. a cutting driver; 32. a drive shaft assembly; 33. a sliding seat; 34. a first connecting shaft; 35. an eccentric shaft; 36. a second connecting shaft; 37. a connecting rod; 51. a first lower cutter; 52. a first upper cutter; 53. a guide post; 54. a first tool apron; 61. a second lower cutter; 62. a second upper cutter; 71. a fixing seat; 72. a transport drive; 73. a drive belt assembly; 74. a first drive belt; 75. a second drive belt; 76. a driving wheel; 77. driven wheel; 78. a driving shaft; 79. a driven shaft; 80. an air suction pipe.

Detailed Description

The utility model will be further described with reference to examples and drawings, to which reference is made, but which are not intended to limit the scope of the utility model.

As shown in fig. 1 to 6, the slicing mechanism for a battery pole piece provided by the utility model comprises a base 1, a mounting seat 2 positioned above the base 1, a cutting driving device 3 arranged on the mounting seat 2, a second conveying device 4 positioned on one side of the base 1, a first cutting knife set 5 and a second cutting knife set 6 which are arranged on the base 1 at intervals, and a first conveying device 7 positioned between the first cutting knife set 5 and the second cutting knife set 6, wherein the cutting driving device 3 is respectively in driving connection with the first cutting knife set 5 and the second cutting knife set 6; the first conveying device 7 comprises a fixed seat 71 and a conveying driver 72 which are respectively arranged on the base 1, and a transmission belt assembly 73 which is rotatably arranged on the fixed seat 71, wherein the transmission belt assembly 73 is connected with the output end of the conveying driver 72; the fixing seat 71 is used for placing a battery pole piece, the conveying driver 72 is used for driving the transmission belt assembly 73 to convey the battery pole piece to the second conveying device 4, and the second conveying device 4 can continuously convey the battery pole piece to the next station; the cutting driving device 3 is used for driving the first cutting knife set 5 and the second cutting knife set 6 to cut pole pieces on two sides of the transmission belt assembly 73 respectively.

Specifically, the transmission belt assembly 73 has the same transmission direction as the second conveying device 4, and the second cutting blade set 6 is close to the second conveying device 4. In the actual use process, the free end of the whole battery pole piece is placed on the fixing seat 71, and the whole battery pole piece is conveyed to the second conveying device 4 forwards through the first conveying device 7 until the length of the battery pole piece between the first cutting knife group 5 and the second cutting knife group 6 is the same as the length of the battery pole piece conveyed to one side, far away from the first cutting knife group 5, of the second cutting knife group 6. Then drive first cutting knife group 5 and second cutting knife group 6 respectively to the battery pole piece that is located the both sides of driving belt subassembly 73 through cutting drive arrangement 3 to cut out the battery pole piece of two sections singlets of same length simultaneously on the battery pole piece of whole piece, continue to carry on the battery pole piece of singlets and whole piece that does not cut out to second conveyor 4 in proper order through first conveyor 7, second conveyor 4 carries the battery pole piece of single piece after cutting to next station, waits for further processing, and second conveyor 4 carries the battery pole piece of whole piece that waits to cut to suitable length, then repeats the action of above-mentioned, thereby battery pole piece quick cutting of realization. The utility model has simple and compact structure, the transmission belt assembly 73 is rotatably arranged on the fixed seat 71, and the transmission belt assembly 73 and the fixed seat 71 support the battery pole piece in a matched manner, thereby being beneficial to smooth and stable conveying of the battery pole piece and facilitating rapid conveying of the battery pole piece to the second conveying device 4. The cutting driving device 3 is arranged above the first cutting knife set 5 and the second cutting knife set 6 through the mounting seat 2, so that the cutting driving device 3 is convenient to drive the first cutting knife set 5 and the second cutting knife set 6 to cut the battery pole pieces respectively, and the cutting efficiency of the battery pole pieces is improved when the battery pole pieces are accurately cut.

Further, the first cutting knife set 5 includes a first lower cutting knife 51 disposed on the base 1 and a first upper cutting knife 52 disposed on the base 1 in a lifting manner, and the first upper cutting knife 52 is connected with the output end of the cutting driving device 3; the first upper cutter 52 is capable of shearing with the first lower cutter 51 to shear the battery pole piece located between the first upper cutter 52 and the first lower cutter 51.

Specifically, the first cutting knife set 5 further includes a guide post 53 disposed on the first lower cutting knife 51, a first knife holder 54 connected to the first upper cutting knife 52, and a guide hole (not shown in the drawing) disposed through the first knife holder 54, where the guide post 53 is slidably connected to an inner wall of the guide hole, and the first knife holder 54 is connected to an output end of the cutting driving device 3. In the actual use process, the battery pole piece passes through the space between the first upper cutter 52 and the first lower cutter 51 and then is placed on the fixing seat 71, and then is conveyed to the second conveying device 4 through the transmission belt assembly 73, and the cutting driving device 3 drives the first upper cutter 52 to lift in the vertical direction through the first cutter seat 54, so that the first upper cutter 52 is sheared with the first lower cutter 51, and the battery pole piece located between the first upper cutter 52 and the first lower cutter 51 is sheared. The first cutting knife group 5 has a simple structure and is convenient for cutting the battery pole piece. The cooperation of the guide post and the guide hole can guide the movement of the first cutter holder 54 relative to the base 1, so that the stability and the precision of the first upper cutter 52 in the movement process are improved.

Further, the second cutting knife set 6 includes a second lower knife 61 disposed on the base 1 and a second upper knife 62 disposed on the base 1 in a lifting manner, and the second upper knife 62 is connected with the output end of the cutting driving device 3; the second upper cutter 62 can be sheared with the second lower cutter 61 to cut the battery pole piece located between the second upper cutter 62 and the second lower cutter 61.

In the actual use process, before the battery pole piece is conveyed to the second conveying device 4 through the transmission belt assembly 73, the battery pole piece passes through the space between the second upper cutter 62 and the second lower cutter 61, and the second upper cutter 62 is driven by the cutting driving device 3 to lift in the vertical direction, so that the second upper cutter 62 is sheared with the second lower cutter 61, and the battery pole piece located between the second upper cutter 62 and the second lower cutter 61 is sheared. The second cutting blade set 6 is also provided with a guiding structure identical or similar to that of the first cutting blade set 5, and will not be described again here. The first conveying device 7 is arranged between the first cutting knife set 5 and the second cutting knife set 6, so that the battery pole piece can conveniently penetrate through the first cutting knife set 5 and the second cutting knife set 6 respectively, the first cutting knife set 5 and the second cutting knife set 6 can conveniently cut the battery pole piece into two sections with the same length, and the conveying and cutting cooperation of the battery pole piece are convenient.

Further, the cutting driving device 3 includes a cutting driver 31 disposed on the mounting base 2, a transmission shaft assembly 32 disposed at an output end of the cutting driver 31, and a sliding base 33 slidably connected to the mounting base 2, where the transmission shaft assembly 32 is in transmission connection with the sliding base 33, and the sliding base 33 is respectively connected with the first blade seat 54 of the first cutting blade set 5 and the second upper blade 62 of the second cutting blade set 6.

Specifically, the conveying driver 72 and the cutting driver 31 may each employ a motor. In the actual use process, the drive shaft assembly 32 is driven to move by the cutting driver 31, and the first cutter seat 54 and the second upper cutter 62 are driven to lift in the vertical direction by the drive shaft assembly 32 so as to cut the battery pole piece. The sliding seat 33 is in sliding connection with the mounting seat 2, so that the stroke precision of the sliding seat 33, the first tool apron 54 and the second upper cutter 62 is further improved, and the stable and rapid cutting of the battery pole piece is facilitated.

Further, the transmission shaft assembly 32 includes a first connecting shaft 34 connected to an output end of the cutting driver 31, a second connecting shaft 36 rotatably disposed on the mounting base 2, an eccentric shaft 35 with two ends eccentrically connected to the first connecting shaft 34 and the second connecting shaft 36, and a connecting rod 37 rotatably sleeved outside the eccentric shaft 35, wherein the connecting rod 37 is rotatably connected to the sliding base 33.

Specifically, the axis of the eccentric shaft 35 is not on the same horizontal line as the axes of the first connecting shaft 34 and the second connecting shaft 36, and the first connecting shaft 34 and the second connecting shaft 36 are coaxially disposed. In the actual use process, the cutting driver 31 drives the first connecting shaft 34, the eccentric shaft 35 and the second connecting shaft 36 to rotate, the eccentric shaft 35 rotates and drives the sliding seat 33 to do lifting motion along the vertical direction through the connecting rod 37, and the connecting rod 37 rotates relative to the sliding seat 33 and the eccentric shaft 35 respectively. The drive shaft assembly 32 is simple in structure and convenient to install.

Further, the mounting seat 2 is a box structure with an opening at the lower part, and the mounting seat 2 is coated outside the transmission shaft assembly 32.

The transmission shaft assembly 32 is wrapped through the mounting seat 2, so that not only can the operation of the transmission shaft assembly 32 be prevented from being blocked by impurities such as dust and the like, but also the hair or fingers of a user can be prevented from being wound into the transmission shaft assembly 32, the damage to a human body is avoided, and the safety in the use process is improved.

Further, the driving belt assembly 73 includes a second driving belt 75, a driving pulley 76 disposed at an output end of the conveying driver 72, a driven pulley 77 rotatably disposed on the base 1, a first driving belt 74 wound on the driving pulley 76 and the driven pulley 77, a driving shaft 78 with one end connected to the driving pulley 76, and a driven shaft 79 with one end connected to the driven pulley 77, wherein the other ends of the driving shaft 78 and the driven shaft 79 respectively protrude into the fixing seat 71, a notch (not shown in the drawing) is disposed on the fixing seat 71, both the driving pulley 76 and the driven pulley 77 can leak from the notch, and the second driving belt 75 is wound around the driving pulley 76 and the driven pulley 77 which are disposed at the fixing seat 71 and the notch, respectively.

Specifically, the driving belt assembly 73 further includes a lower concave surface (not shown) disposed on the fixing base 71, and the lower concave surface is located below the second driving belt 75. In the actual use process, the driving wheel 76 and the driving shaft 78 are driven to rotate by the conveying driver 72, the driving wheel 76 and the driving shaft 78 respectively drive the driven wheel 77 and the driven shaft 79 to rotate by the first transmission belt 74 and the second transmission belt 75, the transmission movement of the second transmission belt 75 is stable, and the forward stable first conveying of the battery pole piece is realized. The concave surface is additionally arranged, the top end surface of the second transmission belt 75 and the top end surface of the fixed seat 71 are positioned on the same horizontal plane, so that the battery pole piece on the fixed seat 71 is prevented from being jacked up upwards by the second transmission belt 75, and the stability of the battery pole piece in the conveying process is further ensured.

Further, the driving belt assembly 73 further includes an air suction pipe 80 disposed at the bottom end of the fixing base 71 and an air suction channel disposed in the fixing base 71, and the air suction channel is communicated with the concave surface.

In the actual use process, the air suction pipe 80 is connected with external air suction equipment, in the cutting process, the external air suction equipment provides negative pressure, and the air suction pipe 80 tightly sucks the battery pole piece positioned above the second transmission belt 75 through an air suction channel, so that the problem that the battery pole piece is misplaced or shifted in the cutting process is avoided.

All technical features in the embodiment can be freely combined according to actual needs.

The foregoing embodiments are preferred embodiments of the present utility model, and in addition, the present utility model may be implemented in other ways, and any obvious substitution is within the scope of the present utility model without departing from the concept of the present utility model.

Claims (10)

1. A slicing mechanism of battery pole piece, its characterized in that: the cutting device comprises a base (1), a mounting seat (2) arranged above the base (1), a cutting driving device (3) arranged on the mounting seat (2), a second conveying device (4) arranged on one side of the base (1), a first cutting knife set (5) and a second cutting knife set (6) which are arranged on the base (1) at intervals, and a first conveying device (7) arranged between the first cutting knife set (5) and the second cutting knife set (6), wherein the cutting driving device (3) is respectively in driving connection with the first cutting knife set (5) and the second cutting knife set (6); the first conveying device (7) comprises a fixed seat (71) and a conveying driver (72) which are respectively arranged on the base (1), and a transmission belt assembly (73) which is rotationally arranged on the fixed seat (71), wherein the transmission belt assembly (73) is connected with the output end of the conveying driver (72); the cutting driving device (3) is used for driving the first cutting knife group (5) and the second cutting knife group (6) to cut pole pieces on two sides of the transmission belt assembly (73) respectively.

2. The battery pole piece slicing mechanism of claim 1, wherein: the first cutting knife set (5) comprises a first lower cutting knife (51) arranged on the base (1) and a first upper cutting knife (52) arranged on the base (1) in a lifting manner, and the first upper cutting knife (52) is connected with the output end of the cutting driving device (3); the first upper cutter (52) can be sheared with the first lower cutter (51) to shear the battery pole piece between the first upper cutter (52) and the first lower cutter (51).

3. A battery pole piece slicing mechanism as claimed in claim 2, wherein: the first cutting knife set (5) further comprises a guide post (53) arranged on the first lower cutting knife (51), a first knife holder (54) connected to the first upper cutting knife (52) and a guide hole penetrating through the first knife holder (54), the guide post (53) is slidably connected with the inner wall of the guide hole, and the first knife holder (54) is connected with the output end of the cutting driving device (3).

4. The battery pole piece slicing mechanism of claim 1, wherein: the second cutting knife set (6) comprises a second lower cutting knife (61) arranged on the base (1) and a second upper cutting knife (62) arranged on the base (1) in a lifting manner, and the second upper cutting knife (62) is connected with the output end of the cutting driving device (3); the second upper cutter (62) can be sheared with the second lower cutter (61) to cut off the battery pole piece between the second upper cutter (62) and the second lower cutter (61).

5. The battery pole piece slicing mechanism of claim 1, wherein: the cutting driving device (3) comprises a cutting driver (31) arranged on the mounting seat (2), a transmission shaft assembly (32) arranged at the output end of the cutting driver (31) and a sliding seat (33) in sliding connection with the mounting seat (2), wherein the transmission shaft assembly (32) is in transmission connection with the sliding seat (33), and the sliding seat (33) is respectively connected with the first cutting knife group (5) and the second cutting knife group (6).

6. The battery pole piece slicing mechanism of claim 5, wherein: the transmission shaft assembly (32) comprises a first connecting shaft (34) connected to the output end of the cutting driver (31), a second connecting shaft (36) rotatably arranged on the mounting seat (2), an eccentric shaft (35) with two ends eccentrically connected with the first connecting shaft (34) and the second connecting shaft (36) respectively, and a connecting rod (37) rotatably sleeved outside the eccentric shaft (35), wherein the connecting rod (37) is rotatably connected with the sliding seat (33).

7. The battery pole piece slicing mechanism of claim 5, wherein: the mounting seat (2) is of a box body structure with an opening at the lower part, and the mounting seat (2) is coated outside the transmission shaft assembly (32).

8. The battery pole piece slicing mechanism of claim 1, wherein: the driving belt assembly (73) comprises a second driving belt (75), a driving wheel (76) arranged at the output end of the conveying driver (72), a driven wheel (77) rotationally arranged on the base (1), a first driving belt (74) wound on the driving wheel (76) and the driven wheel (77), a driving shaft (78) with one end connected with the driving wheel (76) and a driven shaft (79) with one end connected with the driven wheel (77), wherein the other ends of the driving shaft (78) and the driven shaft (79) respectively protrude into the fixed seat (71), a notch is formed in the fixed seat (71), the driving wheel (76) and the driven wheel (77) can leak from the notch, and the second driving belt (75) is respectively wound outside the driving wheel (76) and the driven wheel (77) which are respectively arranged at the fixed seat (71) and the notch.

9. The battery pole piece slicing mechanism of claim 8, wherein: the transmission belt assembly (73) further comprises a lower concave surface arranged on the fixing seat (71), and the lower concave surface is positioned below the second transmission belt (75).

10. The battery pole piece slicing mechanism of claim 9, wherein: the transmission belt assembly (73) further comprises an air suction pipe (80) arranged at the bottom end of the fixed seat (71) and an air suction channel arranged in the fixed seat (71), and the air suction channel is communicated with the lower concave surface.