CN220684245U - Pole piece trimming device - Google Patents

Abstract

The utility model discloses a pole piece trimming device, which comprises a conveying assembly and a trimming assembly, wherein the conveying assembly comprises an unreeling roller and a winding roller, and a conveying channel is arranged between the unreeling roller and the winding roller; the side cut subassembly includes support frame, cutter and the intermediate roll that extends around, and the cutter is circular, and intermediate roll and cutter all rotate and set up in the support frame, and the downside of conveying channel is located to the intermediate roll, and the intermediate roll has first roller section and second roller section, and the diameter of first roller section is less than the diameter of second roller section, and the upside of first roller section is located to the cutter, and the cutter pastes with the terminal surface of second roller section mutually. When the pole piece is used, the pole piece is conveyed along the conveying channel, the coating area of the pole piece is arranged on the upper side of the second roller section, the upper side of the first roller section of the pole piece is provided with the surplus Bian Sheyu, when the pole piece is conveyed to the trimming assembly, the cutter is matched with the end face of the second roller section to realize the trimming of the surplus edge, the cutter can rotate in the trimming process, the periphery edges of the cutter can be contacted with the pole piece, the abrasion is reduced, frequent replacement is not needed, and the production efficiency is improved.

Description

Pole piece trimming device

Technical Field

The utility model relates to the field of cutting devices, in particular to a pole piece trimming device.

Background

In the manufacturing process of the pole piece, dressing is coated on the metal foil and then dried; in order to realize continuous production and improve production efficiency, the metal foil is generally coiled, and the axial dimension of the metal foil coiled is the length of the pole piece. In actual production, the lengths of the pole pieces required by the batteries of different types are different, but the metal foil coil stock cannot be independently configured for the pole pieces with all the lengths, so that the situation that the axial dimension of the metal foil coil stock is larger than that of a coating area often occurs, the subsequently manufactured pole piece coil stock has a margin, and trimming operation is needed. The existing trimming mode is to trim by using a fixed blade, and only one point of the blade is in contact with the pole piece, so that the blade is easy to wear and needs to be replaced frequently, and the production efficiency is not improved.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides a pole piece trimming device.

The pole piece trimming device comprises a conveying assembly and a trimming assembly, wherein the conveying assembly comprises an unreeling roller and a reeling roller which extend forwards and backwards, and a conveying channel which extends transversely is arranged between the unreeling roller and the reeling roller; the side cut subassembly includes support frame, cutter and the middle roller that extends around, the cutter is circular, middle roller with the cutter all rotate set up in the support frame, middle roller is located conveying path's downside, middle roller has first roller section and second roller section, the diameter of first roller section is less than the diameter of second roller section, the upside of first roller section is located to the cutter, the cutter with the terminal surface of second roller section pastes mutually.

The pole piece trimming device provided by the embodiment of the utility model has at least the following technical effects: when the pole piece is used, the pole piece is conveyed along the conveying channel, the coating area of the pole piece is arranged on the upper side of the second roller section, the upper side of the first roller section of the pole piece is provided with the surplus Bian Sheyu, when the pole piece is conveyed to the trimming assembly, the cutter is matched with the end face of the second roller section to realize the trimming of the surplus edge, the cutter can rotate in the trimming process, the periphery edges of the cutter can be contacted with the pole piece, the abrasion is reduced, frequent replacement is not needed, and the production efficiency is improved.

According to some embodiments of the utility model, the support frame is provided with a first motor for driving the intermediate roller. Therefore, the middle roller is not required to be driven by the pole piece, and can actively rotate, so that the pole piece is smoothly conveyed.

According to some embodiments of the utility model, the support frame comprises a main body part and a translation part, the translation part is connected with the main body part in a front-back sliding way, a positioning mechanism is arranged between the translation part and the main body part, and the cutter and the intermediate roller are respectively arranged on the translation part and the main body part. The cutter is arranged on the translation part, and the position of the translation part can be adjusted when the cutter is used, so that the cutter is kept to be attached to the end face of the second roller section.

According to some embodiments of the utility model, the translation part is provided with a lifting seat in a vertical sliding manner, the translation part is provided with a first linear driver for driving the lifting seat, and the cutter is arranged on the lifting seat. Through setting up the cutter in the elevating socket, need not to use the cutter to cut the pole piece when, can control first linear drive and rise the elevating socket for cutter and second roller section separation.

According to some embodiments of the utility model, the first linear actuator is a cylinder. Simple structure and easy control.

According to some embodiments of the utility model, the main body portion includes two supporting seats and two sliding rods extending back and forth, the two supporting seats are respectively disposed at two sides of the conveying channel, the sliding rods are connected between the two supporting seats, the translation portion is provided with two sliding holes, and the two sliding rods respectively penetrate through the two sliding holes. By arranging the sliding rod and the sliding hole, sliding connection between the translation part and the main body part is realized.

According to some embodiments of the utility model, the positioning mechanism comprises a positioning seat and a first bolt, the positioning seat is arranged on the main body part, the positioning seat is provided with a transversely arranged internal thread through hole, the first bolt is arranged in the internal thread through hole, and the tail end of the first bolt is rotatably arranged on the translation part. The distance between the translation part and the positioning seat can be adjusted by rotating the first bolt so as to realize the positioning of the translation part.

According to some embodiments of the utility model, the pole piece trimming device further comprises an adjusting assembly, the adjusting assembly comprises a base and an adjusting seat, the adjusting seat is slidably arranged on the base along the front-back direction, and the supporting frame or the unreeling roller is arranged on the adjusting seat. During use, the front and back positions of the trimming assembly or the unreeling roller can be adjusted, so that the boundary between the remaining edge of the pole piece and the coating area and the joint of the alignment cutter and the second roller section are realized, and the cutting is more accurate.

According to some embodiments of the utility model, the base is provided with a second linear drive for driving the adjustment seat. This facilitates movement of the adjustment seat.

According to some embodiments of the utility model, a deviation correcting sensor is arranged between the unreeling roller and the middle roller, the deviation correcting sensor is provided with an induction area, the conveying channel is arranged in the induction area, and the deviation correcting sensor is electrically connected with the second linear driver. The second linear driver can control the front and back movement of the adjusting seat according to the signal transmitted by the deviation correcting sensor, so that the boundary between the residual edge of the pole piece and the coating area can be automatically aligned with the joint of the cutter and the second roller section.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic perspective view of a pole piece trimming device according to an embodiment of the present utility model;

fig. 2 is an enlarged schematic view of a portion a in fig. 1.

In the accompanying drawings:

100-unreeling rollers; 101-an adjusting seat; 102-a second motor; 103-a base; 200, a deviation correcting sensor; 300-supporting seat; 311-a first roll segment; 312-a second roll segment; 320-a first motor; 330-slide bar; 331-positioning seat; 332-a first bolt; 340-a translation section; 350-lifting seat; 351-cylinder; 360-cutting knife; 400-wind-up roll; 401-a second roller seat; 601-coating area; 602—the remainder.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, only for convenience of description and simplification of the description, and are not intended to indicate that the apparatus or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Further, the meaning of a plurality is one or more, and the meaning of a plurality is two or more, and greater than, less than, exceeding, etc. is understood to exclude the present number, and the meaning of above, below, within, etc. is understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

A pole piece trimming device according to an embodiment of the present utility model is described below with reference to fig. 1 and 2.

The pole piece trimming device comprises a conveying assembly and a trimming assembly, wherein the conveying assembly comprises an unreeling roller 100 and a reeling roller 400 which extend forwards and backwards, and a conveying channel which extends transversely is arranged between the unreeling roller 100 and the reeling roller 400; the side cut subassembly includes support frame, cutter 360 and the middle roller that extends around, and cutter 360 is circular, and middle roller and cutter 360 all rotate and set up in the support frame, and the middle roller sets up in the downside of conveying channel, and the middle roller has first roller section 311 and second roller section 312, and the diameter of first roller section 311 is less than the diameter of second roller section 312, and cutter 360 sets up in the upside of first roller section 311, and cutter 360 pastes with the terminal surface of second roller section 312 mutually.

For example, as shown in fig. 1, a first roller seat is provided at a side of the unreeling roller 100, and the unreeling roller 100 is rotatably provided at the first roller seat; the second roller seat 401 is arranged beside the winding roller 400, the winding roller 400 is rotatably arranged on the second roller seat 401, the winding roller 400 is arranged on the right side of the unreeling roller 100, the unreeling roller 100 is used for placing pole piece coil stock, and pole pieces extending out of the pole piece coil stock are conveyed to the winding roller 400 along a conveying channel for winding; the unreeling roller 100 and the reeling roller 400 can be provided with driving motors for unreeling and reeling, and as for the middle roller, the driving motors are not arranged and are undetermined by the pole pieces, and the driving motors can also be arranged for realizing active rotation. The middle roller and the cutter 360 are respectively arranged at the lower side and the upper side of the conveying channel, the first roller section 311 of the middle roller is arranged at the rear side of the second roller section 312, the first roller section 311 and the second roller section 312 are coaxial, a circular ring-shaped connecting surface is arranged between the outer peripheral surface of the first roller section 311 and the outer peripheral surface of the second roller section 312, the connecting surface is the end surface of the second roller section 312, the rotating shaft of the cutter 360 is called a first rotating shaft, the first rotating shaft extends and is arranged at the front side and the rear side of the second roller section 312, the cutter 360 is close to the second roller section 312 from the rear to the front, the front side of the cutter 360 is contacted or abutted with the connecting surface, namely, the front side of the cutter 360 is contacted or abutted with the connecting surface, and the axis of the first rotating shaft is positioned above the top end of the second roller section 312.

When the pole piece is used, the pole piece is conveyed along the conveying channel, the coating area 601 of the pole piece is arranged on the upper side of the second roller section 312, the residual edge 602 of the pole piece is arranged on the upper side of the first roller section 311, when the pole piece is conveyed to the edge cutting assembly, the cutter 360 is matched with the end face of the second roller section 312 to realize cutting of the residual edge 602, the cutter 360 can rotate in the cutting process, the peripheral edge of the cutter 360 is contacted with the pole piece, abrasion is reduced, frequent replacement is not needed, and the production efficiency is improved; moreover, the cutter 360 does not need to be provided with a sharp edge and does not need to rotate at a high speed, and the rotation linear speed is consistent with that of the intermediate roller, so that the safety is improved.

In some embodiments of the utility model, the support frame is provided with a first motor 320 for driving the intermediate roller. Therefore, the middle roller is not required to be driven by the pole piece, and can actively rotate, so that the pole piece is smoothly conveyed. The first motor 320 is disposed at the rear side of the rear end of the intermediate roller, the first motor 320 has a main body portion and a driving shaft, the main body portion of the first motor 320 is fixedly disposed on the supporting frame, and the driving shaft of the first motor 320 is connected with the rear end of the intermediate roller through a coupling to realize driving of the intermediate roller. The cutter 360 may be driven by the second roller section 312 without a driving motor.

In some embodiments of the present utility model, the support frame includes a main body portion and a translation portion 340, the translation portion 340 is slidably connected to the main body portion, a positioning mechanism is disposed between the translation portion 340 and the main body portion, and the cutter 360 and the intermediate roller are respectively disposed on the translation portion 340 and the main body portion. The translation part 340 and the main body part can be in sliding connection through a guide rail sliding block mechanism, a linear bearing mechanism or other suitable mechanisms, and the positioning mechanism can be a fastening bolt mechanism, a clamping mechanism or other suitable mechanisms, so that the adjustment and the positioning of the translation part 340 can be realized; it should be noted that, because vibration is inevitably generated during the operation of the apparatus, after a long period of use, the adhesion between the end surface of the second roller section 312 and the cutter 360 is loosened, resulting in poor trimming effect; the present utility model is provided with the cutter 360 arranged on the translation part 340, and the position of the translation part 340 can be adjusted when in use, so that the cutter 360 is kept to be attached to the end surface of the second roller section 312.

In some embodiments of the present utility model, referring to fig. 2, the translation part 340 is provided with a lifting seat 350 in a vertically sliding manner, the translation part 340 is provided with a first linear driver for driving the lifting seat 350, and the cutter 360 is provided at the lifting seat 350. The lifting seat 350 and the translation portion 340 may be vertically slidably connected by a guide rail slider mechanism or other suitable mechanisms, and of course, the lifting seat 350 may also be directly disposed at the driving end of the first linear driver; by arranging the cutter 360 on the lifting seat 350, when the cutter 360 is not required to cut the pole piece, the lifting seat 350 can be lifted by controlling the first linear driver, so that the cutter 360 is separated from the second roller section 312; the first linear actuator may be a pneumatic component, an electric component, or a manually operated manual component, and may raise and lower the lifting base 350.

In some embodiments of the utility model, the first linear actuator is a cylinder 351. The first linear driver only needs to lift and descend the lifting seat 350, an intermediate parking position is not required to be set, the action can be realized by selecting the air cylinder 351, and the air cylinder 351 is simple in structure and convenient to control.

In some embodiments of the present utility model, the main body includes two supporting seats 300 and two sliding rods 330 extending back and forth, the two supporting seats 300 are respectively disposed at two sides of the conveying channel, the sliding rods 330 are connected between the two supporting seats 300, the translation portion 340 is provided with two sliding holes, and the two sliding rods 330 respectively penetrate through the two sliding holes.

The two supporting seats 300 are respectively arranged at the front side and the rear side of the conveying channel, the two sliding rods 330 are arranged above the conveying channel, and the two sliding rods 330 can be arranged at intervals up and down or at intervals front and back; the two ends of the middle roller can be respectively and rotatably arranged on the two supporting seats 300, and the two ends of the middle roller are supported, so that the structure is stable; the two sliding holes are in one-to-one correspondence with the two sliding rods 330, and the sliding sleeves of the sliding holes are arranged on the outer sides of the sliding rods 330, namely, the sliding connection is realized. By providing the slide bar 330 and the slide hole, the sliding connection between the translating part 340 and the main body part is achieved, and the degree of freedom of the translating part 340 other than the forward and backward movement is restricted.

In some embodiments of the present utility model, the positioning mechanism includes a positioning seat 331 and a first bolt 332, the positioning seat 331 is disposed on the main body, the positioning seat 331 is provided with a transversely disposed internal threaded through hole, the first bolt 332 is disposed in the internal threaded through hole, and the tail end of the first bolt 332 is rotatably disposed on the translation portion 340. Thus, the distance between the translation portion 340 and the positioning seat 331 can be adjusted by rotating the first bolt 332, so as to position the translation portion 340. The rear end of the first bolt 332 is the tail end of the first bolt 332, and the head end of the first bolt 332 is provided with a knob so as to be convenient for rotating. The positioning seat 331 can be fixedly arranged on the sliding rod 330, the positioning seat 331 can be arranged above the conveying channel by arranging the positioning seat 331 on the sliding rod 330, the positioning seat 331 does not need to protrude from the front and back directions to the supporting frame, the overall front and back size of the pole piece trimming device is reduced, and the space is saved.

In some embodiments of the present utility model, the middle roller has two first roller segments 311, the second roller segment 312 is disposed between the two first roller segments 311, the cutter 360, the lifting seat 350, the first linear driver, the translation portion 340, the positioning seat 331, and the first bolt 332 are collectively referred to as a first component, the present utility model is further provided with a second component, the second component and the first component are in front-back axis symmetry, the first component and the second component respectively correspond to the two first roller segments 311, and the first component and the second component may be disposed in a main body in a sharing manner. Thus, the cutters 360 are arranged on both sides of the conveying channel, and the redundant edges 602 of the pole pieces are positioned on the front side or the rear side and can be cut, so that the application range of the utility model is wider.

In some embodiments of the present utility model, the pole piece trimming device further includes an adjusting assembly, the adjusting assembly includes a base 103 and an adjusting seat 101, the adjusting seat 101 is slidably disposed on the base 103 along a front-rear direction, and a supporting frame or unreeling roller 100 is disposed on the adjusting seat 101. Taking the unreeling roller 100 as an example, the unreeling roller 100 is arranged on the adjusting seat 101, the adjusting seat 101 is a first roller seat, and the front and back positions of the unreeling roller 100 can be adjusted during use, so that the boundary between the surplus edge 602 of the pole piece and the coating area and the joint of the alignment cutter 360 and the second roller section 312 can be realized, and the cutting is more accurate.

In some embodiments of the utility model, the base 103 is provided with a second linear drive for driving the adjustment seat 101. The base 103 is in sliding connection with the adjusting seat 101 through a guide rail sliding hole mechanism, the second linear drive comprises a second motor 102 and a screw rod nut mechanism, a driving shaft of the second motor 102 is connected with a screw rod part of the screw rod nut mechanism through a coupler, and a nut part of the screw rod nut mechanism is fixedly arranged on the adjusting seat 101. This facilitates movement of the adjustment seat 101.

In some embodiments of the present utility model, a deviation correcting sensor 200 is disposed between the unreeling roller 100 and the intermediate roller, the deviation correcting sensor 200 has a sensing area, the conveying passage is disposed in the sensing area, and the deviation correcting sensor 200 is electrically connected with the second linear driver. The deviation correcting sensor 200 is electrically connected with the second motor 102. Thus, the second linear driver can control the adjusting seat 101 to move back and forth according to the signal transmitted by the deviation correcting sensor 200, so that the boundary between the margin 602 of the pole piece and the coating area can be automatically aligned with the joint of the cutter 360 and the second roller section 312. The deviation correcting sensor 200 can be arranged on the ground through an external installation frame.

While the preferred embodiments of the present utility model have been illustrated and described, the present utility model is not limited to the examples, and various equivalent modifications and substitutions can be made by one skilled in the art without departing from the spirit of the present utility model, and these equivalent modifications and substitutions are intended to be included in the scope of the present utility model as defined in the appended claims.

Claims (10)

1. The utility model provides a pole piece side cut device which characterized in that includes:

the conveying assembly comprises an unreeling roller and a reeling roller which extend forwards and backwards, and a transversely extending conveying channel is arranged between the unreeling roller and the reeling roller;

the trimming assembly comprises a supporting frame, a cutter and a middle roller extending front and back, wherein the cutter is round, the middle roller and the cutter are all rotationally arranged on the supporting frame, the middle roller is arranged on the lower side of the conveying channel and is provided with a first roller section and a second roller section, the diameter of the first roller section is smaller than that of the second roller section, the cutter is arranged on the upper side of the first roller section, and the cutter is attached to the end face of the second roller section.

2. The pole piece trimming device of claim 1, wherein: the support frame is provided with a first motor for driving the intermediate roller.

3. The pole piece trimming device of claim 1, wherein: the support frame comprises a main body part and a translation part, the translation part is connected with the main body part in a front-back sliding way, a positioning mechanism is arranged between the translation part and the main body part, and the cutter and the middle roller are respectively arranged on the translation part and the main body part.

4. A pole piece trimming device as claimed in claim 3, wherein: the translation portion is provided with the lifting seat along vertical slip, the translation portion is equipped with and is used for driving the first linear drive of lifting seat, the cutter is located the lifting seat.

5. The pole piece trimming device of claim 4, wherein: the first linear driver is an air cylinder.

6. A pole piece trimming device as claimed in claim 3, wherein: the main body part includes two supporting seats and two slide bars that extend from front to back, two the supporting seats are located respectively the both sides of conveying channel, the slide bar is connected in two between the supporting seats, translation portion is equipped with two slide holes, two the slide bar runs through respectively two the slide hole.

7. The pole piece trimming device of claim 6, wherein: the positioning mechanism comprises a positioning seat and a first bolt, the positioning seat is arranged on the main body part, the positioning seat is provided with a transversely arranged internal thread through hole, the first bolt is arranged in the internal thread through hole, and the tail end of the first bolt is rotationally arranged on the translation part.

8. The pole piece trimming device of claim 1, wherein: the automatic unreeling device comprises a base, a unreeling roller, a support frame and an unreeling roller, and is characterized by further comprising an adjusting assembly, wherein the adjusting assembly comprises a base and an adjusting seat, the adjusting seat is slidably arranged on the base along the front-back direction, and the support frame or the unreeling roller is arranged on the adjusting seat.

9. The pole piece trimming device of claim 8, wherein: the base is provided with a second linear driver for driving the adjusting seat.

10. The pole piece trimming device of claim 9, wherein: and a deviation correcting sensor is arranged between the unreeling roller and the middle roller, the deviation correcting sensor is provided with an induction area, the conveying channel is arranged in the induction area, and the deviation correcting sensor is electrically connected with the second linear driver.