阅读说明：本技术 一种锂电池极片圆角裁切设备 (Lithium battery pole piece fillet cutting equipment ) 是由 罗开和 于 2021-07-01 设计创作，主要内容包括：本发明公开了一种锂电池极片圆角裁切设备,包括设备主体和活动安装在设备主体两侧的导向板,所述设备主体上设置有切割刀和定位刀座,通过所述切割刀和定位刀座的配合,实现对极耳的裁切,所述设备主体上设置有功能机构,在所述功能机构工作时,能够将切割刀等距升降,满足不同宽度极耳的切割需求,还设置有调节机构,还设置有定位件,此锂电池极片圆角裁切设备,以区别于现有技术,使得在切割锂电池极片上的极耳时,能够根据极耳的宽度,并在功能机构和调节机构的配合调节下,完成切割刀相应宽度的调节,并在定位件的作用下,减少调试过程中的时间,同时提高极耳调试的精确性,避免了调试过程中,因切割刀和定位刀座产生干涉而造成不必要的损失。(The invention discloses a fillet cutting device for a lithium battery pole piece, which comprises a device main body and guide plates movably arranged on two sides of the device main body, wherein a cutting knife and a positioning knife holder are arranged on the device main body, the cutting of a pole lug is realized through the matching of the cutting knife and the positioning knife holder, a functional mechanism is arranged on the device main body, when the functional mechanism works, the cutting knife can be lifted at equal intervals to meet the cutting requirements of pole lugs with different widths, an adjusting mechanism and a positioning piece are also arranged, the fillet cutting device for the lithium battery pole piece is different from the prior art, so that when the pole lug on the lithium battery pole piece is cut, the adjustment of the corresponding width of the cutting knife can be completed according to the width of the pole lug under the matching adjustment of the functional mechanism and the adjusting mechanism, the time in the debugging process is reduced under the action of the positioning piece, and the debugging accuracy of the pole lug is improved at the same time, avoiding unnecessary loss caused by interference between the cutting knife and the positioning knife holder in the debugging process.)

1. A fillet cutting device for a lithium battery pole piece comprises a device main body (1) and guide plates (2) movably arranged on two sides of the device main body (1),

the method is characterized in that: the equipment main body (1) is provided with a cutting knife (3) and a positioning knife holder (31), the cutting of the lugs is realized through the matching of the cutting knife (3) and the positioning knife holder (31), the equipment main body (1) is provided with a functional mechanism (4), and when the functional mechanism (4) works, the cutting knife (3) can be lifted at equal intervals to meet the cutting requirements of lugs with different widths;

the cutting device is also provided with an adjusting mechanism (5), the adjusting mechanism (5) is arranged on the device main body (1), and the adjusting mechanism (5) can enable the positioning tool apron (31) to move so as to adapt to cutting tools (3) with different widths in real time and ensure the cutting work of the tabs;

the positioning device is further provided with a positioning piece (6), wherein the positioning piece (6) is matched with the adjusting mechanism (5) for use so as to give out a prompt when the positioning tool apron (31) is shifted to a proper position.

2. The round corner cutting equipment for the lithium battery pole piece as claimed in claim 1, characterized in that: the functional mechanism (4) comprises a lifting seat (41) movably arranged on the equipment main body (1), guide columns (42) are arranged on the lifting seat (41), a plurality of guide columns (42) are arranged, the cutting knife (3) is respectively movably arranged on two adjacent guide columns (42) at two sides, an electric push rod (43) is arranged on the equipment main body (1), and the end part of the electric push rod (43) is connected with the lifting seat (41);

the cutting device is characterized by further comprising a driving piece (7), wherein the driving piece (7) is arranged on the guide columns (42) to control the cutting knives (3) on the two sides to realize synchronous cutting.

3. The round corner cutting equipment for the lithium battery pole piece as claimed in claim 2, characterized in that: the driving piece (7) comprises a mounting seat (71) arranged on the guide post (42), a driving motor (72) is arranged in the middle of the mounting seat (71), a short shaft (73) is rotatably arranged on the mounting seat (71), and the short shaft (73) is connected with the output end of the driving motor (72);

a main shaft (74) is respectively and rotatably arranged on two sides of the mounting seat (71), belt pulleys (75) are respectively arranged on the outer sides of the short shaft (73) and the main shaft (74), and synchronous belts (76) are arranged among the belt pulleys (75);

main shaft (74) tip is provided with dwang (77), notch (78) have been seted up on cutting knife (3) to when dwang (77) rotate, make cutting knife (3) can the oscilaltion shift, accomplish the cutting to utmost point ear.

4. The round corner cutting equipment for the lithium battery pole piece as claimed in claim 3, characterized in that: the cutting knife (3) is of a stepped structure with large bottom width and small top width, the height of the cutting knife (3) is the same for each section, an indicating needle (44) is arranged on one side of the lifting seat (41), scales (45) are arranged on the equipment main body (1), and the distance on the scales (45) is the same as the height of each section of cutting knife (3) so that when the cutting knife (3) with different widths are used for cutting, the adjustment can be correspondingly made.

5. The round corner cutting equipment for the lithium battery pole piece as claimed in claim 4, wherein: the adjusting mechanism (5) comprises a fixed seat (51) movably arranged on the equipment main body (1), a plurality of supporting seats (52) are arranged on the fixed seat (51), a bidirectional screw rod (53) is rotatably arranged between the two supporting seats (52) positioned on two sides of the fixed seat (51), and a rotating disc (54) is arranged at one end of each of the two bidirectional screw rods (53) opposite to each other;

the positioning tool apron (31) consists of two single-side tool apron (32) which are matched for use, the two single-side tool apron (32) are respectively in threaded connection with two sides of a two-way screw rod (53), and the bottoms of the single-side tool apron (32) are movably arranged on a fixed seat (51);

the automatic adjusting device also comprises a synchronous piece (8) to realize synchronous adjustment of the positioning tool holders (31) on the two sides.

6. The round corner cutting equipment for the lithium battery pole piece as claimed in claim 5, wherein: synchronizing member (8) close two including inserting connecting block (81) between two-way lead screw (53), connecting block (81) both sides all are provided with first spring (82), first spring (82) tip all is provided with kicking block (83), two constant head tank (84) have all been seted up to two-way lead screw (53) adjacent one side to realize inserting of connecting block (81) and close the location when kicking block (83) and constant head tank (84) block looks joint.

7. The round corner cutting equipment for the lithium battery pole piece as claimed in claim 6, characterized in that: the positioning piece (6) comprises a supporting rod (61) arranged on the outer side of the single-side tool apron (32), a fixing pipe (62) is arranged at the end part of the supporting rod (61), a second spring (63) is arranged in the fixing pipe (62), a shifting block (64) is arranged at the end part of the second spring (63), and the shifting block (64) is movably arranged in the fixing pipe (62);

the cutting device also comprises a prompting piece (9) which is arranged on the cutting knife (3) and gives a prompt when the shifting block (64) shifts to a proper position.

8. The round corner cutting equipment for the lithium battery pole piece as claimed in claim 7, wherein: the prompting piece (9) comprises a plurality of film type pressure sensors (91) arranged on the cutting knife (3), one side of the cutting knife (3) is provided with an alarm (92), and the film type pressure sensors (91) are electrically connected with the alarm (92).

Technical Field

The invention relates to the technical field of pole piece cutting equipment, in particular to a fillet cutting equipment for a lithium battery pole piece.

Background

At present, lithium ion batteries have the advantages of high specific energy, more recycling times, long storage time and the like, are widely applied to portable electronic equipment such as mobile phones, digital video cameras and portable computers, but also widely applied to large and medium-sized electric equipment such as electric automobiles, electric bicycles, electric tools and the like, therefore, the requirement on the quality qualification rate of the lithium ion battery is higher and higher, and for the lithium ion polymer flexible package battery, it is also widely used in various electronic industries, such as built-in battery of bluetooth earphone, mobile phone battery and notebook battery, the tab is a metal conductor leading out the positive and negative electrodes from the battery core, and is a conductive contact point when the battery is charged and discharged, can cut out utmost point ear when the production of battery electricity core pole piece to still cut fillet with four angles of battery utmost point ear in next process.

However, we find when in-service use, current utmost point ear cutting equipment mostly all is the cutting knife structure that adopts fixed knot to construct, the corner that will adapt to utmost point ear with the cutting knife is downcut, in order to avoid utmost point ear corner sharp-pointed and to cut open the battery and cause the weeping phenomenon, the cutting knife that adopts fixed knot to construct although can accurate cutting fillet, but when meetting utmost point ear width different, in order to adapt to the width of utmost point ear, need change corresponding cutting knife, and need spend the effect of a large amount of time debugging utmost point ear after cutting changing the cutting knife in-process, utmost point ear cutting efficiency has greatly been reduced, and in the debugging in-process, probably lead to cutting knife and blade holder to appear interfering the phenomenon, cause the damage to both, produce the unnecessary loss, for this reason, we propose a lithium battery pole piece fillet cutting equipment.

Disclosure of Invention

The invention aims to provide a lithium battery pole piece fillet cutting device to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a fillet cutting device for a lithium battery pole piece comprises a device main body and guide plates movably arranged on two sides of the device main body, wherein a cutting knife and a positioning knife holder are arranged on the device main body, the cutting of a pole lug is realized through the matching of the cutting knife and the positioning knife holder, a functional mechanism is arranged on the device main body, when the functional mechanism works, the cutting knife can be lifted at equal intervals to meet the cutting requirements of pole lugs with different widths, an adjusting mechanism is also arranged, a positioning piece is also arranged to be distinguished from the prior art, so that when the pole lug on the lithium battery pole piece is cut, the adjustment of the corresponding width of the cutting knife can be completed according to the width of the pole lug under the matching adjustment of the functional mechanism and the adjusting mechanism, the time in the debugging process is reduced under the action of the positioning piece, the accuracy of pole lug debugging is improved, and the debugging process is avoided, because the cutting knife interferes with the positioning knife seat, unnecessary loss is caused.

Preferably, the functional mechanism comprises a lifting seat movably arranged on the equipment main body, the lifting seat is provided with a plurality of guide posts, the cutting knives are respectively movably arranged on two adjacent guide posts on two sides, the equipment main body is provided with an electric push rod, and the end part of the electric push rod is connected with the lifting seat;

the cutting device is characterized by further comprising a driving piece, wherein the driving piece is arranged on the guide posts to control the cutting knives on two sides to realize synchronous cutting.

Preferably, the driving part comprises a mounting seat arranged on the guide post, a driving motor is arranged in the middle of the mounting seat, a short shaft is rotatably arranged on the mounting seat, and the short shaft is connected with the output end of the driving motor;

a main shaft is rotatably arranged on two sides of the mounting seat respectively, belt wheels are arranged on the outer sides of the short shaft and the main shaft, and synchronous belts are arranged among the belt wheels;

the main shaft tip is provided with the dwang, the notch has been seted up on the cutting knife to when the dwang rotates, make the cutting knife can the oscilaltion aversion, accomplish the cutting to utmost point ear.

Preferably, the cutting knife is of a stepped structure with a large bottom width and a small top width, the cutting knife is arranged at each section and has the same height, an indicating needle is arranged on one side of the lifting seat, scales are arranged on the equipment main body, and the distance on the scales is the same as the height of each section of cutting knife so that when the cutting knives with different widths are used for cutting, the adjustment can be correspondingly made.

Preferably, the adjusting mechanism comprises a fixed seat movably arranged on the equipment main body, a plurality of supporting seats are arranged on the fixed seat, a bidirectional screw rod is rotatably arranged between two supporting seats positioned at two sides of the fixed seat, and a rotating disc is arranged at one end of the bidirectional screw rod opposite to the side;

the positioning tool apron consists of two single-side tool apron which are matched with each other for use, the two single-side tool apron are respectively in threaded connection with two sides of the bidirectional screw rod, and the bottoms of the single-side tool apron are movably arranged on the fixed seat;

the synchronous adjusting device also comprises a synchronous piece to realize synchronous adjustment of the positioning tool holders on two sides.

Preferably, the synchronizing part is including inserting and closing two connecting block between the two-way lead screw, the connecting block both sides all are provided with first spring, first spring tip all is provided with the kicking block, two the constant head tank has all been seted up to the adjacent one side of two-way lead screw to realize the inserting of connecting block and close the location when kicking block and constant head tank looks block.

Preferably, the positioning piece comprises a supporting rod arranged outside the single-side tool apron, a fixed pipe is arranged at the end part of the supporting rod, a second spring is arranged in the fixed pipe, a shifting block is arranged at the end part of the second spring, and the shifting block is movably arranged in the fixed pipe;

the device also comprises a prompting piece which is arranged on the cutting knife and gives a prompt when the shifting block shifts to a proper position.

Preferably, the prompting piece comprises a plurality of film type pressure sensors arranged on the cutting knife, a warning indicator is arranged on one side of the cutting knife, and the film type pressure sensors are electrically connected with the warning indicator.

Compared with the prior art, the invention has the beneficial effects that:

1. when the invention is used for cutting the pole lugs on the lithium battery pole piece, the adjustment of the corresponding width of the cutting knife can be completed according to the width of the pole lugs under the matching adjustment of the functional mechanism and the adjusting mechanism, so that the cutting work of a plurality of widths can be completed by one cutting knife, and the replacement steps of the cutting knife are simplified.

2. Under the action of the positioning piece, the time in the debugging process is reduced, the debugging accuracy of the pole lug is improved, and unnecessary loss caused by interference between the cutting knife and the positioning knife holder in the debugging process is avoided.

3. The film type pressure sensor is matched with the warning device, so that a prompt can be sent when the positioning tool apron is matched with the cutting knife, and the accurate positioning of workers is facilitated.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of another orientation of the present invention shown in FIG. 1;

FIG. 3 is a schematic structural diagram of the functional mechanism of the present invention;

FIG. 4 is a schematic view of another embodiment of the present invention;

FIG. 5 is a schematic partial sectional view of the adjusting mechanism of the present invention;

FIG. 6 is a partial structural sectional view of a synchronizing member according to the present invention;

fig. 7 is a schematic view of the structure of the cutting knife of the present invention.

In the figure: 1-a device body; 2-a guide plate; 3-a cutter; 31-positioning the tool apron; 32-single side tool apron; 4-a functional mechanism; 41-a lifting seat; 42-a guide post; 43-an electric push rod; 44-an indicator needle; 45-scale mark; 5-an adjusting mechanism; 51-a fixed seat; 52-a support base; 53-bidirectional lead screw; 54-rotating disc; 6-a positioning member; 61-a support bar; 62-a fixed tube; 63-a second spring; 64-a shift block; 7-a drive member; 71-a mounting seat; 72-a drive motor; 73-minor axis; 74-a main shaft; 75-a pulley; 76-a synchronous belt; 77-rotating rods; 78-straight slot opening; 8-a synchronizing member; 81-connecting block; 82-a first spring; 83-a top block; 84-positioning grooves; 9-a prompt; 91-thin film pressure sensor; 92-alarm.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides a technical solution: a fillet cutting device for a lithium battery pole piece comprises a device main body 1 and guide plates 2 movably mounted on two sides of the device main body 1, wherein the device main body 1 and the guide plates 2 are of conventional common structures, and are not described herein, a scrap falling groove is formed in the device main body 1, and a scrap collecting box is arranged at the bottom of the device main body;

the equipment main body 1 is provided with a cutting knife 3 and a positioning knife holder 31, the cutting of the pole ear is realized through the matching of the cutting knife 3 and the positioning knife holder 31, the equipment main body 1 is provided with a function mechanism 4, the function mechanism 4 comprises a lifting seat 41 movably arranged on the equipment main body 1, the lifting seat 41 is provided with a plurality of guide posts 42, the guide posts 42 are respectively and movably arranged on two adjacent guide posts 42 at two sides, the equipment main body 1 is provided with an electric push rod 43, the electric push rod 43 is provided with a plurality of guide posts and is electrically connected to ensure the stability of the lifting process, the end part of the electric push rod 43 is connected with the lifting seat 41, the cutting knife 3 is of a ladder-shaped structure with large bottom width and small top width, each section of the cutting knife 3 has the same height, one side of the lifting seat 41 is provided with an indicating needle 44, the device main body 1 is provided with scales 45, the distance between the scales 45 is the same as the height of each cutting knife 3, so that when the cutting knives 3 with different widths are used for cutting, the adjustment can be correspondingly made, the proper width on the cutting knife 3 is selected according to the width of a tab, then the electric push rod 43 is started to drive the lifting seat 41 to move to the top, and at the moment, the indicating needle 44 is positioned at the top of the scales 45;

the device also comprises a driving part 7, wherein the driving part 7 comprises an installation seat 71 arranged on the guide post 42, a driving motor 72 is arranged in the middle of the installation seat 71, a short shaft 73 is rotatably arranged on the installation seat 71, and the short shaft 73 is connected with the output end of the driving motor 72;

a main shaft 74 is rotatably arranged on each of two sides of the mounting seat 71, belt pulleys 75 are arranged on the outer sides of the short shaft 73 and the main shaft 74, and synchronous belts 76 are arranged among the belt pulleys 75;

main shaft 74 tip is provided with dwang 77, notch 78 has been seted up on cutting knife 3 to when dwang 77 rotates, make cutting knife 3 can the oscilaltion shift, accomplish the cutting to utmost point ear, start driving motor 72 drives main shaft 74 and dwang 77 through band pulley 75 and hold-in range 76 and rotates, make cutting knife 3 be located the highest point of rotation in-process, at this moment, shift piece 64 just contacts with cutting knife 3.

The device is characterized by further comprising an adjusting mechanism 5 arranged on the device body 1, wherein the adjusting mechanism 5 comprises a fixed seat 51 movably arranged on the device body 1, a lifting structure is arranged at the bottom of the fixed seat 51, the lifting structure is not shown in the figure, so that a supporting seat 52 is arranged on the fixed seat 51, a plurality of supporting seats 52 are arranged, a bidirectional screw 53 is rotatably arranged between the two supporting seats 52 positioned on the two sides of the fixed seat 51, and a rotating disc 54 is arranged at one end, opposite to the two sides, of the bidirectional screw 53;

the positioning tool apron 31 consists of two single-side tool apron 32 which are matched with each other for use, the two single-side tool apron 32 are respectively in threaded connection with two sides of a bidirectional screw rod 53, and the bottoms of the single-side tool apron 32 are movably arranged on a fixed seat 51;

the synchronous part 8 is further included, the synchronous part 8 includes a connecting block 81 inserted between the two bidirectional screw rods 53, first springs 82 are arranged on two sides of the connecting block 81, end portions of the first springs 82 are provided with ejector blocks 83, positioning grooves 84 are formed in adjacent sides of the two bidirectional screw rods 53, so that insertion positioning of the connecting block 81 is achieved when the ejector blocks 83 are clamped with the positioning grooves 84, if two tabs on the pole pieces are symmetrically arranged, the connecting block 81 is inserted into the two bidirectional screw rods 53 on two sides, in the process, the ejector blocks 83 extrude the first springs 82 inwards under extrusion of the side walls of the bidirectional screw rods 53 until the two tabs are clamped in the positioning grooves 84, and then any one rotating disc 54 is rotated to synchronously adjust the positioning tool holders 31 on two sides, so that the tool holders 32 on one side are respectively and synchronously displaced;

if the two tabs on the pole piece are asymmetrically arranged, the synchronizer 8 is not used, and the single-side tool apron 32 is shifted respectively.

The positioning piece 6 is further arranged, the positioning piece 6 comprises a supporting rod 61 arranged outside the single-side tool apron 32, a fixing pipe 62 is arranged at the end of the supporting rod 61, a second spring 63 is arranged in the fixing pipe 62, a shifting block 64 is arranged at the end of the second spring 63, and the shifting block 64 is movably arranged in the fixing pipe 62;

still including suggestion piece 9, suggestion piece 9 is including setting up film type pressure sensor 91 on cutting knife 3, film type pressure sensor 91 is provided with a plurality ofly, cutting knife 3 one side is provided with alarm 92, film type pressure sensor 91 passes through electric connection with alarm 92, at the unilateral blade holder 32 aversion in-process, and the piece 64 that shifts slides on cutting knife 3 shifts, when shifting piece 64 and the film type pressure sensor 91 of corresponding width position contact, can trigger electric connection's alarm 92 and send the warning to the staff, and the regulation finishes this moment.

When the cutting knife is used, a worker adjusts the guide plates 2 on the two sides in opposite directions or opposite directions at equal intervals according to the size of a pole piece, then selects a proper width on the cutting knife 3 according to the width of a pole lug, then starts the electric push rod 43 to drive the lifting seat 41 to move to the top, at the moment, the indicator needle 44 is positioned at the top of the scale 45, simultaneously starts the driving motor 72, drives the main shaft 74 and the rotating rod 77 to rotate through the belt wheel 75 and the synchronous belt 76, so that the cutting knife 3 is positioned at the highest position in the rotating process, and at the moment, the moving block 64 is just contacted with the cutting knife 3;

if two lugs on the pole piece are symmetrically arranged, the connecting block 81 is inserted into the two-way screw rods 53 on the two sides, in the process, the top block 83 extrudes the first spring 82 inwards under the extrusion of the side walls of the two-way screw rods 53 until the first spring is clamped in the positioning groove 84, and then the positioning tool holders 31 on the two sides can be synchronously adjusted by rotating any one rotating disc 54, so that the tool holders 32 on the one side can be synchronously shifted respectively;

if the two tabs on the pole piece are arranged asymmetrically, the synchronous piece 8 is not used, and the single-side tool apron 32 is shifted respectively;

in the process of shifting the unilateral blade holder 32, the shifting block 64 shifts and slides on the cutting knife 3, when the shifting block 64 contacts with the film type pressure sensor 91 of the corresponding width position, the warning device 92 of electric connection can be triggered to send a warning to the staff, the adjustment is completed at the moment, then according to the width of the cutting knife 3, the height of the corresponding adjusting lifting seat 41 of the electric push rod 43 is started, the height when the pole ear is cut is consistent all the time, then the driving motor 72 is started, the rotating rod 77 is driven to rotate in the straight notch 78, and the cutting knife 3 can work.

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.