CN210339774U

CN210339774U - Be used for lithium-ion battery pole piece production to rectify subassembly with cut-off knife

Info

Publication number: CN210339774U
Application number: CN201921170376.1U
Authority: CN
Inventors: 王波; 王林闯
Original assignee: Shenzhen Hongjin Intelligent Equipment Co Ltd
Current assignee: Shenzhen Hongjin Intelligent Equipment Co Ltd
Priority date: 2019-07-24
Filing date: 2019-07-24
Publication date: 2020-04-17
Anticipated expiration: 2029-07-24

Abstract

The utility model relates to the technical field of lithium battery sheet-making intelligent equipment, and discloses a cut-off knife deviation-rectifying assembly for lithium battery pole piece production, which comprises a positioning driving cut-off knife assembly, a deviation-rectifying assembly and a fixing frame, wherein the fixing frame is used for detecting the position of tab glue on a pole piece and transmitting a signal to the deviation-rectifying assembly to rectify the deviation of the cut-off knife, the positioning cut-off knife assembly is matched with the deviation-rectifying assembly to cut the pole piece, a signal sensor is arranged before the position of the pole piece is cut, the position of the tab glue piece is detected in advance before cutting, the cutting positions of a main cut-off knife and an auxiliary cut-off knife are changed, the tab glue piece can be avoided when the pole piece is cut, compared with the prior art, the deviation-rectifying effect is realized by the technical scheme, the problem that the pole piece is easy to deviate in the width direction of the pole piece when being transmitted, and, the self-adjustment of the cutting position is realized, and the efficiency and the precision of pole piece cutting are greatly improved.

Description

Be used for lithium-ion battery pole piece production to rectify subassembly with cut-off knife

Technical Field

The utility model relates to a lithium cell film-making intelligence equips technical field, specifically is a cut-off knife subassembly of rectifying for lithium cell pole piece production.

Background

The manufacturing process of the lithium battery pole piece is a key process in the battery production process, and comprises the steps of slurry preparation, pole piece coating and drying, pole piece rubberizing, pole piece rolling, pole piece cutting and the like, wherein the rubberizing, the pole piece rolling, the pole piece cutting and the like are completed through the cooperation of different functional areas of intelligent equipment, after the rubberizing and rolling processes of the pole piece are completed, the pole piece is sent into a cutting assembly through a roller set to be cut (at the moment, the state of the pole piece mainly comprises four areas, refer to the attached

drawings

1 and 2 of the specification, A, a foil area of the pole piece, B, a coating area of the pole piece, C, a rubber belt area, D and a tab rubber area), the end part of the pole piece needs to be cut in a flush mode by avoiding the D area, the pole piece is conveyed through the roller set, the width of the pole piece is narrow, the width of the roller set is large, and the pole piece can deviate in the width direction of the pole piece in the axial conveying direction, the tab glue area is easily cut by the cutter when cutting.

SUMMERY OF THE UTILITY MODEL

The utility model provides a be used for lithium-ion battery pole piece production to rectify subassembly with cut-off knife, possess the cut-off knife and rectify, guarantee that the cut-off knife avoids the advantage in utmost point ear glue district, solved the problem that the background art provided.

The utility model provides a following technical scheme: a cut-off knife assembly for producing lithium battery pole pieces comprises a positioning driving cut-off knife assembly, a deviation rectifying assembly and a fixing frame, wherein the positioning cut-off knife assembly consists of a driving cylinder I, a cylinder mounting frame, a bearing frame, a main cut-off knife and a cut-off knife fixing frame;

drive II fixed mounting of actuating cylinder on the frame, there is the loading board at the top of its frame through bolt fixed mounting, the middle part fixed mounting of loading board upper surface has the support frame, the top fixed mounting of support frame has the vice cut-off knife that corresponds with main cut-off knife position, but support frame and cut-off knife mount lateral relative movement, the bottom fixed mounting of support frame has the mount, the loading board passes through slider and the slide rail sliding connection of fixed mounting on the frame.

Preferably, the fixing frame is provided with a signal sensor.

Preferably, the middle part of the cut-off knife fixing frame is groove-shaped.

Preferably, the main cutter and the cutter fixing frame are installed in a matched mode, and the width of the main cutter is equal to the width of the groove of the cutter fixing frame.

Preferably, the main cutting knife and the auxiliary cutting knife are arranged in a front-back staggered mode, and the notches are located on the same position plane.

Compared with the prior art, the utility model discloses possess following beneficial effect:

through set up signal sensor before cutting the pole piece position, detect the position of utmost point ear film in advance before cutting, rethread signal transmission, utilize the position that drives II control pair cut-offs of actuating cylinder, thereby change the cut-off position of main cut-off knife and pair cut-off knife, guarantee when cutting to the pole piece, can avoid utmost point ear film, compare in prior art, this technical scheme has realized the effect of rectifying, the pole piece has been overcome when the transmission, easily take place the skew on the width direction of pole piece, cut out the problem of utmost point ear film very easily when leading to cutting, the self-interacting has been realized to its position of cutting, the efficiency and the precision that the pole piece was cut out have been improved greatly.

Drawings

FIG. 1 is a schematic view of each part area before pole piece cutting;

FIG. 2 is a schematic view of each part of the electrode plate after being cut;

FIG. 3 is a left side perspective view of the present invention;

FIG. 4 is a front view of the present invention;

fig. 5 is a right side perspective view of the present invention.

In the figure: 1. a driving cylinder I; 2. a cylinder mounting frame; 3. a carrier; 4. a main cutter; 5. driving a cylinder II; 6. a carrier plate; 7. a support frame; 8. a cutter fixing frame; 9. a secondary cutter; 10. a fixed mount; 11. a slide rail; 12. a slide block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 3-5, a cut-off knife deviation rectifying assembly for lithium battery pole piece production, comprising a positioning driving cut-off knife assembly, a deviation rectifying assembly and a fixing frame 10, wherein the fixing frame 10 is used for detecting the tab glue position on the pole piece and transmitting a signal to the deviation rectifying assembly for rectifying deviation of the cut-off knife, the deviation rectifying assembly and the positioning cut-off knife assembly are used for conveying the pole piece, the positioning cut-off knife assembly is matched with the deviation rectifying assembly for cutting the pole piece, the positioning cut-off knife assembly is composed of a driving cylinder I1, a cylinder mounting frame 2, a bearing frame 3, a main cut-off knife 4 and a cut-off knife fixing frame 8, the deviation rectifying assembly comprises a driving cylinder II 5, a bearing plate 6, a supporting frame 7, an auxiliary cut-off knife 9, a slide rail 11 and a slide block 12, the bottom of the positioning driving cut-off knife assembly is connected with the top of, the output end of the driving cylinder I1 is fixedly connected with the top of the bearing frame 3, the bottom of the bearing frame 3 is fixedly provided with a main cutter 4, and two sides of the bottom of the bearing frame 3 are fixedly arranged with two sides of the top of the cutter fixing frame 8 through a sleeve rod and a sleeve;

drive actuating cylinder II 5 fixed mounting on the frame, there is loading board 6 at the top of its frame through bolt fixed mounting, there is support frame 7 at the middle part fixed mounting of loading board 6 upper surface, the top fixed mounting of support frame 7 has the vice cut-off knife 9 that corresponds with main sanction sword 4 position, but support frame 7 and cut-off knife mount 8 lateral relative movement, the bottom fixed mounting of support frame 7 has mount 10, loading board 6 passes through slider 12 and the slide rail 11 sliding connection of fixed mounting on the frame.

Wherein, the fixing frame 10 is provided with a signal sensor for detecting the position of the tab glue before cutting the pole piece.

Wherein, the middle part of the cut-off knife fixing frame 8 is groove-shaped.

Wherein, main cut-off knife 4 and the installation of 8 adaptations of cut-off knife mount, the width of main cut-off knife 4 equals with the recess width of cut-off knife mount 8, carries out the position to main cut-off knife 4 and prescribes a limit to, guarantees that main cut-off knife 4 is under the drive that drives actuating cylinder I1, and the position that reciprocates is certain to prevent that main cut-off knife 4 from bumping with the knife face of vice cut-off knife 9, lead to the edge of a knife to collapse and lack, improve the stability that the pole piece cut.

Wherein, the position of main cut-off knife 4 and vice cut-off knife 9 is in front and back staggered arrangement, and the incision is on same position face, guarantees that main cut-off knife 4 and vice cut-off knife 9 when cutting the polar piece, and its cutting face is more level and smooth, and the phenomenon of buckling can not take place for the polar piece, is similar to the principle of scissors.

(the principle of the cylinder drive mentioned above needs to be explained here, and how to connect the parts belongs to the prior art, and all belong to the prior art, and do not belong to the technical scheme to be protected)

The working principle is that before a pole piece is conveyed to the positions of a main cutter 4 and an auxiliary cutter 9 through a conveying roller, the position of a tab film on the pole piece is detected by a signal sensor probe on a fixed frame 10, a signal is transmitted to a single chip microcomputer, the converted signal is transmitted to a driving air cylinder II 5 through signal processing and signal conversion, when the driving air cylinder II 5 receives an instruction, a driving bearing plate 6 moves and moves to slide in a matched manner through a sliding rail 11 and a sliding block 12, the auxiliary cutter 9 arranged on a supporting frame 7 laterally moves, the position of a notch between the auxiliary cutter 9 and the main cutter 4 is changed to keep a clearance with the position of the tab film on the pole piece, the pole piece is conveyed between the main cutter 4 and the auxiliary cutter 9, the driving air cylinder I1 drives the main cutter 4 on the supporting frame 3 to move downwards to be matched with the auxiliary cutter 9 to cut the pole piece between the auxiliary cutter 9, the cutting process of the pole piece is completed, and the subsequent pole piece cutting is consistent with the principle.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a be used for lithium-ion battery pole piece production to rectify subassembly with cut-off knife, includes location drive cut-off knife subassembly, the subassembly and mount (10) of rectifying, location drive cut-off knife subassembly is by driving actuating cylinder I (1), cylinder mounting bracket (2), bear frame (3), main cut-off knife (4) and cut-off knife mount (8) and constitute, the subassembly of rectifying comprises driving actuating cylinder II (5), loading board (6), support frame (7), vice cut-off knife (9), slide rail (11) and slider (12), its characterized in that: the bottom of the positioning driving cutter component is connected with the top of the deviation rectifying component, a fixing frame (10) is fixedly mounted on the deviation rectifying component, the driving air cylinder I (1) is fixedly mounted on the air cylinder mounting frame (2), the output end of the driving air cylinder I (1) is fixedly connected with the top of the bearing frame (3), the bottom of the bearing frame (3) is fixedly provided with a main cutter (4), and two sides of the bottom of the bearing frame (3) are fixedly mounted with two sides of the top of the cutter fixing frame (8) through a sleeve rod and a sleeve;

drive actuating cylinder II (5) fixed mounting on the frame, there is loading board (6) at the top of its frame through bolt fixed mounting, the middle part fixed mounting of loading board (6) upper surface has support frame (7), the top fixed mounting of support frame (7) has vice cut-off knife (9) that correspond with main cut-off knife (4) position, but support frame (7) and cut-off knife mount (8) lateral relative movement, the bottom fixed mounting of support frame (7) has mount (10), loading board (6) are through slider (12) and slide rail (11) sliding connection of fixed mounting on the frame.

2. The cut-off knife deviation rectifying assembly for the lithium battery pole piece production according to claim 1, characterized in that: the fixed frame (10) is provided with a signal sensor.

3. The cut-off knife deviation rectifying assembly for the lithium battery pole piece production according to claim 1, characterized in that: the middle part of the cut-off knife fixing frame (8) is groove-shaped.

4. The cut-off knife deviation rectifying assembly for the lithium battery pole piece production according to claim 1, characterized in that: the main cut-off knife (4) and the cut-off knife fixing frame (8) are installed in an adaptive mode, and the width of the main cut-off knife (4) is equal to the width of the groove of the cut-off knife fixing frame (8).

5. The cut-off knife deviation rectifying assembly for the lithium battery pole piece production according to claim 1, characterized in that: the main cutting knife (4) and the auxiliary cutting knife (9) are arranged in a front-back staggered mode, and the notches are located on the same position face.