阅读说明：本技术 锂电池极片自动称重装置 (Automatic weighing device for lithium battery pole pieces ) 是由 黄锐升 于 2019-10-11 设计创作，主要内容包括：本发明公开一种锂电池极片自动称重装置,包括基座、支撑组件及称量组件,所述支撑组件包括支撑架、第一限位件和第二限位件,所述支撑架设置于所述基座上,所述第一限位件和所述第二限位件分别对称设置于所述支撑架上,所述称量组件包括固定平台、电子称及放置长板,所述固定平台设置于所述基座上,所述电子称设置于所述固定平台上,所述放置长板设置于所述电子称上,并且所述放置长板分别限位于所述第一限位区和所述第二限位区内。本发明为一种锂电池极片自动称重装置,能够直接将极片进行称重,不用进行卷绕或者捆绑,可以准确测出极片的重量,为后续锂电池的生产提供准确的数据,避免出现称重和计算的误差,提高锂电池生产数量计算的可靠性。(The invention discloses an automatic weighing device for a lithium battery pole piece, which comprises a base, a supporting assembly and a weighing assembly, wherein the supporting assembly comprises a supporting frame, a first limiting piece and a second limiting piece, the supporting frame is arranged on the base, the first limiting piece and the second limiting piece are respectively and symmetrically arranged on the supporting frame, the weighing assembly comprises a fixed platform, an electronic scale and a long placing plate, the fixed platform is arranged on the base, the electronic scale is arranged on the fixed platform, the long placing plate is arranged on the electronic scale, and the long placing plate is respectively limited in a first limiting area and a second limiting area. The invention relates to an automatic weighing device for a lithium battery pole piece, which can directly weigh the pole piece without winding or binding, can accurately measure the weight of the pole piece, provides accurate data for the subsequent production of lithium batteries, avoids weighing and calculating errors, and improves the reliability of the calculation of the production quantity of the lithium batteries.)

1. The utility model provides a lithium battery pole piece automatic weighing device which characterized in that includes:

a base seat, a plurality of fixing holes and a plurality of fixing holes,

the supporting component comprises a supporting frame, a first limiting part and a second limiting part, the supporting frame is arranged on the base, the first limiting part and the second limiting part are symmetrically arranged on the supporting frame respectively, the first limiting part comprises a first mounting plate and a plurality of first limiting rods, the first mounting plate is arranged on the supporting frame, the first limiting rods are arranged on the first mounting plate respectively, the first limiting rods jointly enclose a first limiting area, the second limiting part comprises a second mounting plate and a plurality of second limiting rods, the second mounting plate is arranged on the supporting frame, the second limiting rods are arranged on the second mounting plate respectively, and the second limiting rods jointly enclose a second limiting area; and

the weighing assembly comprises a fixed platform, an electronic scale and a placing long plate, the fixed platform is arranged on the base, the electronic scale is arranged on the fixed platform, the placing long plate is arranged on the electronic scale, and the placing long plate is respectively limited in the first limiting area and the second limiting area.

2. The automatic weighing device for the lithium battery pole pieces according to claim 1, wherein a plurality of anti-skid protrusions are further arranged on the long placement plate, and a space is respectively arranged between each anti-skid protrusion.

3. The automatic weighing device for the lithium battery pole pieces, according to claim 1, is characterized in that the electronic scale comprises a shell, a weighing platform, a display screen, a number button and a circuit board, wherein the shell is arranged on the fixed platform, the weighing platform is arranged on the shell, the long placing plate is arranged on the weighing platform, a mounting area is arranged on the shell, the display screen and the number button are respectively arranged on the mounting area, the circuit board is arranged in the shell, and the circuit board is respectively electrically connected with the display screen and the number button.

4. The automatic weighing device for the lithium battery pole pieces as claimed in claim 3, wherein a plurality of the number keys are arranged, and a space is respectively arranged between the number keys.

5. The automatic weighing device for the lithium battery pole pieces, according to claim 3, is characterized in that the electronic scale further comprises a gravity sensor, the gravity sensor is arranged in the weighing platform, and the gravity sensor is electrically connected with the circuit board.

6. The automatic weighing device for the lithium battery pole pieces as claimed in claim 1, wherein the support frame comprises a first frame body and a second frame body, the first frame body and the second frame body are respectively arranged on the base, the first limiting member is arranged on the first frame body, and the second limiting member is arranged on the second frame body.

7. The automatic weighing device for the lithium battery pole piece according to claim 1, wherein the first limiting member comprises four first limiting rods, and the four first limiting rods are respectively disposed on the first mounting plate.

8. The automatic weighing device for the lithium battery pole pieces according to claim 1, wherein the second limiting member comprises four second limiting rods, and the four second limiting rods are respectively arranged on the second mounting plate.

9. The automatic weighing device for the lithium battery pole pieces as recited in claim 1, wherein the base comprises a fixed ring body and a plurality of fixed support columns, and each fixed support column is respectively arranged on the fixed ring body.

10. The automatic weighing device for the lithium battery pole pieces as recited in claim 9, wherein the two fixed ring bodies are arranged, and a space is respectively arranged between the two fixed ring bodies.

Technical Field

The invention relates to the field of lithium battery production equipment, in particular to an automatic weighing device for a lithium battery pole piece.

Background

It was first used in cardiac pacemakers. The lithium battery has extremely low self-discharge rate and smooth discharge voltage. So that the pacemaker implanted in the human body can operate for a long time without recharging. Lithium batteries generally have a nominal voltage of greater than 3.0 volts and are more suitable as integrated circuit power supplies. Manganese dioxide batteries are widely used in calculators, digital cameras and watches. In order to develop a variety having more excellent properties, various materials have been studied. Thereby producing an unprecedented product. For example, lithium sulfur dioxide batteries and lithium thionyl chloride batteries are very characteristic. Their positive electrode active materials are also solvents for the electrolyte. This structure occurs only in non-aqueous electrochemical systems. Therefore, the research of the lithium battery also promotes the development of the non-aqueous system electrochemical theory. In addition to the use of various nonaqueous solvents, polymer thin film batteries have been studied.

However, in the existing lithium battery production process, because the pole piece of the lithium battery is very long, when the existing lithium battery pole piece is weighed, the very long pole piece needs to be wound, so that the weighing is convenient, or the pole piece is bound for weighing, weighing errors can be caused to a certain extent by the weighing modes, the weight of the pole piece cannot be accurately measured, inaccurate data are generated for subsequent calculation of the pole piece, calculation errors are caused, and the reliability of lithium battery production quantity calculation is reduced.

Disclosure of Invention

The invention aims to overcome the defects in the prior art, and provides the automatic weighing device for the lithium battery pole piece, which can directly weigh the pole piece without winding or binding, so that the weight of the pole piece can be accurately measured, accurate data is provided for the subsequent production of the lithium battery, weighing and calculating errors are avoided, and the reliability of the calculation of the production quantity of the lithium battery is improved.

The purpose of the invention is realized by the following technical scheme:

the utility model provides a lithium battery pole piece automatic weighing device, includes:

a base seat, a plurality of fixing holes and a plurality of fixing holes,

the supporting component comprises a supporting frame, a first limiting part and a second limiting part, the supporting frame is arranged on the base, the first limiting part and the second limiting part are symmetrically arranged on the supporting frame respectively, the first limiting part comprises a first mounting plate and a plurality of first limiting rods, the first mounting plate is arranged on the supporting frame, the first limiting rods are arranged on the first mounting plate respectively, the first limiting rods jointly enclose a first limiting area, the second limiting part comprises a second mounting plate and a plurality of second limiting rods, the second mounting plate is arranged on the supporting frame, the second limiting rods are arranged on the second mounting plate respectively, and the second limiting rods jointly enclose a second limiting area; and

the weighing assembly comprises a fixed platform, an electronic scale and a placing long plate, the fixed platform is arranged on the base, the electronic scale is arranged on the fixed platform, the placing long plate is arranged on the electronic scale, and the placing long plate is respectively limited in the first limiting area and the second limiting area.

In one embodiment, the long placement plate is further provided with a plurality of anti-skid protrusions, and intervals are respectively arranged among the anti-skid protrusions.

In one embodiment, the electronic scale comprises a shell, a weighing platform, a display screen, a number key and a circuit board, wherein the shell is arranged on the fixed platform, the weighing platform is arranged on the shell, the long placing plate is arranged on the weighing platform, a mounting area is arranged on the shell, the display screen and the number key are respectively arranged on the mounting area, the circuit board is arranged in the shell, and the circuit board is respectively electrically connected with the display screen and the number key.

In one embodiment, the number of the number keys is multiple, and a space is respectively arranged between every two number keys.

In one embodiment, the electronic scale further comprises a gravity sensor, the gravity sensor is arranged in the weighing platform, and the gravity sensor is electrically connected with the circuit board.

In one embodiment, the supporting frame includes a first frame body and a second frame body, the first frame body and the second frame body are respectively disposed on the base, the first limiting member is disposed on the first frame body, and the second limiting member is disposed on the second frame body.

In one embodiment, the first limiting member includes four first limiting rods, and the four first limiting rods are respectively disposed on the first mounting plate.

In one embodiment, the second limiting member includes four second limiting rods, and the four second limiting rods are respectively disposed on the second mounting plate.

In one embodiment, the base includes a fixed ring body and a plurality of fixed support columns, and each of the fixed support columns is disposed on the fixed ring body.

In one embodiment, the two fixed ring bodies are arranged, and a space is respectively arranged between the two fixed ring bodies.

Compared with the prior art, the invention has the following advantages and beneficial effects:

the invention relates to an automatic weighing device for a lithium battery pole piece, which can directly weigh the pole piece without winding or binding by arranging a supporting assembly and a weighing assembly, thereby accurately measuring the weight of the pole piece, providing accurate data for the production of subsequent lithium batteries, avoiding errors of weighing and calculating and improving the reliability of the calculation of the production quantity of the lithium batteries.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of an automatic weighing device for a lithium battery pole piece according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a weighing assembly of the automatic weighing device for lithium battery pole pieces shown in FIG. 1;

FIG. 3 is a schematic structural diagram of an automatic weighing device for a lithium battery pole piece according to another embodiment of the present invention;

FIG. 4 is a schematic structural view of the level detecting assembly shown in FIG. 3;

FIG. 5 is a schematic structural view of the break-off assembly shown in FIG. 3;

fig. 6 is a schematic structural diagram of an automatic weighing device for a lithium battery pole piece according to another embodiment of the invention.

Detailed Description

To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1, an automatic weighing device for a lithium battery pole piece includes: the base 100 is used for fixing the support assembly 200 and the weighing assembly 300, and it should be noted that the base 100 is used for fixing the support assembly 200 and the weighing assembly 300; the supporting assembly 200 is used for supporting and limiting the weighing assembly 300; the weighing assembly 300 is used for accurately weighing the lithium battery tabs.

Referring to fig. 1, the supporting assembly 200 includes a supporting frame 210, a first limiting member 220 and a second limiting member 230, the supporting frame is disposed on the base, and the first limiting member and the second limiting member are respectively symmetrically disposed on the supporting frame. It should be noted that the supporting frame 210 is used for fixing the first limiting member 220 and the second limiting member 230; the first limiting member 220 and the second limiting member 230 are commonly used for limiting the long placing plate in the weighing assembly, so that the situation that the long placing plate is shifted in the weighing process is prevented.

Referring to fig. 1, the first position-limiting member 220 includes a first mounting plate 221 and a plurality of first position-limiting rods 222, the first mounting plate is disposed on the supporting frame, the first position-limiting rods are disposed on the first mounting plate, and the first position-limiting rods jointly enclose a first position-limiting area. Thus, by providing the first mounting plate 221 and the plurality of first limiting rods 222, the end on which the long plate is placed can be limited.

Referring to fig. 1, the second position-limiting member 230 includes a second mounting plate 231 and a plurality of second position-limiting rods 232, the second mounting plate is disposed on the supporting frame, the second position-limiting rods are disposed on the second mounting plate, and the second position-limiting rods jointly enclose a second position-limiting area. So, through setting up second mounting panel 231 and a plurality of second gag lever post 232, can carry on spacingly to the other end of placing the long board.

Referring to fig. 1 and 2, the weighing assembly 300 includes a fixing platform 310, an electronic scale 320, and a long placing plate 330, the fixing platform is disposed on the base, the electronic scale is disposed on the fixing platform, the long placing plate is disposed on the electronic scale, and the long placing plate is respectively limited in the first limiting area and the second limiting area. It should be noted that the fixing platform 310 is used for fixing the electronic scale 320; the electronic scale 320 is used for weighing the polar ears; place long board 330 and be used for placing whole strip utmost point ear, need not coil or spiral utmost point ear, can directly carry out automatic weighing with whole long banding pole piece, need not coil or bind, and then can accurately measure the weight of pole piece, provide accurate data for the production of follow-up lithium cell, avoid appearing weighing and the error of calculating, improve the reliability that lithium cell production quantity calculated.

Referring to fig. 1, the long placement plate is further provided with a plurality of anti-skid protrusions 340, and a space is respectively arranged between the anti-skid protrusions. So, through setting up skid proof raised 340, can increase the surface friction who places the long board, and then prevent that utmost point ear from sliding on it to can improve the accuracy and the reliability of weighing.

Referring to fig. 2, the electronic scale 320 includes a housing 321, a weighing platform 322, a display screen 323, a number button 324, and a circuit board (not shown in the figure), the housing is disposed on the fixed platform, the weighing platform is disposed on the housing, the long placing plate is disposed on the weighing platform, a mounting area is disposed on the housing, the display screen and the number button are respectively disposed on the mounting area, the circuit board is disposed in the housing, and the circuit board is electrically connected to the display screen and the number button. Thus, the tab can be weighed by arranging the housing 321, the weighing platform 322, the display screen 323, the number keys 324 and the circuit board.

It should be noted that a plurality of number keys are provided, and a space is provided between each number key. In this way, different values can be entered.

It should be noted that the electronic scale further includes a gravity sensor, the gravity sensor is disposed in the weighing platform, and the gravity sensor is electrically connected to the circuit board. Therefore, the weight of the lithium battery tab can be sensed, and the weight sensing information is sent to the circuit board and then displayed on the display screen.

It should be noted that the support frame includes a first frame body and a second frame body, the first frame body and the second frame body are respectively disposed on the base, the first limiting member is disposed on the first frame body, and the second limiting member is disposed on the second frame body. So, through setting up first support body and second support body, can improve structural stability.

It should be noted that the first limiting member includes four first limiting rods, and the four first limiting rods are respectively disposed on the first mounting plate. So, through setting up four first gag lever posts, can carry on spacingly to placing the long slab.

It should be noted that the second limiting member includes four second limiting rods, and the four second limiting rods are respectively disposed on the second mounting plate. So, through setting up four second gag lever posts, can carry on spacingly to placing the long slab.

Referring to fig. 1, the base 100 includes a fixed ring 110 and a plurality of fixed support columns 120, and each of the fixed support columns is disposed on the fixed ring. Thus, the fixing ring 110 can be used to increase the firmness of the fixing support column, and the fixing support column 120 can be used to fix the support assembly 200 and the weighing assembly 300.

It should be noted that the two fixed ring bodies are arranged, and a gap is respectively arranged between the two fixed ring bodies. So, through setting up two fixed ring bodies, can further strengthen the structural strength of base, improve structural stability.

It can be understood that the pole piece of the lithium battery slides into the weighing device from the previous station, and in the sliding process, the pole piece of the lithium battery is damaged in the sliding process because the long plate 330 is not a completely smooth long plate, even if the long plate is a smooth long plate; in addition, because the lithium battery pole pieces slide into the long placing plate 330, the smoothness of the long placing plate may be affected by the placing positions of the lithium battery pole pieces, that is, the long placing plate is inclined one above the other in the weighing process, and the automatic weighing of the lithium battery pole pieces is inaccurate; because the positions of the previous station and the next station connected with the automatic weighing device are relatively advanced, if the long plate is placed to incline up and down in the weighing process, the downward or upward end of the long plate can impact the previous station, so that the weighing of the lithium battery pole piece can be influenced, and the accuracy and the reliability of the weighing of the pole piece are reduced; therefore, in order to avoid damaging the pole piece of the lithium battery in the sliding process, the long plate is prevented from being placed to incline one on the other, the automatic weighing accuracy of the lithium battery pole piece is improved, the long plate is prevented from being placed to collide other stations, the weighing of the lithium battery pole piece is influenced, and the weighing accuracy and the weighing reliability of the pole piece are further improved. In one embodiment, for example, the automatic weighing device for the lithium battery pole piece further comprises a rolling assembly, a horizontal detection assembly and a breaking assembly, wherein the rolling assembly and the horizontal detection assembly are respectively arranged on the long placing plate, and the breaking assembly is used for being installed at one end of the long placing plate connected with the upper station and the lower station; the rolling assembly comprises a plurality of rolling pieces, a plurality of rolling grooves are formed in the long placing plate, each rolling piece is embedded in each rolling groove in a one-to-one corresponding mode, in one rolling piece, each rolling piece comprises a rolling shaft, a rolling drum, a first shaft sleeve and a second shaft sleeve, the first end of each rolling shaft is arranged on the side wall of one end of each rolling groove, the second end of each rolling shaft is arranged on the side wall of the other end of each rolling groove, the rolling drum is rotatably sleeved on the rolling shaft, the first shaft sleeve is sleeved on the first end of each rolling shaft, one side face of each first shaft sleeve is attached to the side wall of one end of each rolling groove, the second shaft sleeve is sleeved on the second end of each rolling shaft, and one side face of each second shaft sleeve is attached to the side wall of the other end of each rolling groove; the horizontal detection assembly comprises a glass tube body, a ball and two fixed tubes, wherein a horizontal placing groove is formed in the long placing plate, the two fixed tubes are respectively arranged at two ends of the glass tube body, the two fixed tubes are further arranged on the inner side walls at two ends of the horizontal placing groove, the glass tube body is of a hollow transparent structure, and the ball is arranged in the hollow transparent structure in a rolling manner; the broken assembly comprises a first broken part and a second broken part, the first broken part is used for being installed in a preorder device of a previous station of the automatic weighing device of the lithium battery pole piece, the second broken part is used for being installed in a sequent device of a next station of the automatic weighing device of the lithium battery pole piece, the first broken part comprises a first broken plate, a first hinge and a first supporting piece, one end of the first hinge is arranged on the preorder device, the other end of the first hinge is arranged on the first broken plate, the first supporting piece comprises a first rotating motor, a first telescopic rod and a first supporting rod, the first telescopic rod is arranged on the first rotating motor, one end of the first supporting rod is arranged on the first telescopic rod, one end of the first supporting rod, far away from the first telescopic rod, is supported on the first broken plate, the second breaking part comprises a second breaking plate, a second hinge and a second supporting piece, one end of the second hinge is arranged on the subsequent device, the other end of the second hinge is arranged on the second breaking plate, the second supporting piece comprises a second rotating motor, a second telescopic rod and a second jacking rod, the second telescopic rod is arranged on the second rotating motor, one end of the second jacking rod is arranged on the second telescopic rod, and one end of the second jacking rod is far away from the second telescopic rod and jacks on the second breaking plate. So, through setting up rolling subassembly, horizontal detection subassembly and rupture subassembly, can avoid damaging the pole piece of lithium cell at gliding in-process, can also avoid placing the condition that the long slab appears tilting one on the other, and then improve lithium battery pole piece automatic weighing's accuracy to avoid placing the long slab and strike other stations, the influence is to weighing of lithium battery pole piece, further improves accuracy and the reliability of weighing the pole piece.

For further understanding of the design principles of the rolling assembly, the level detection assembly and the breaking assembly, the rolling assembly, the level detection assembly and the breaking assembly are described in detail below. Referring to fig. 3, the automatic weighing device for lithium battery pole pieces further includes a rolling assembly 400, a horizontal detection assembly 500 and a breaking assembly 600, wherein the rolling assembly and the horizontal detection assembly are respectively disposed on the long placing plate, and the breaking assembly is configured to be mounted at one end of the long placing plate connected to the upper and lower stations. It should be noted that the rolling assembly 400 is used to facilitate sliding the pole piece of the lithium battery to a proper position for placing the long plate, so that the pole piece can be conveniently weighed by placing the long plate, and the pole piece of the lithium battery can be prevented from being damaged in the sliding process; the horizontal detection assembly 500 is used for detecting whether the long placing plate is in a horizontal state, so that the situation that the long placing plate is inclined from top to bottom can be avoided, and the accuracy of automatic weighing of the lithium battery pole piece is improved; the breaking assembly 600 is used for breaking the connection part between the preorder device and the postorder device and the long plate, so that the long plate can be prevented from being placed to impact other stations, the weighing of the lithium battery pole pieces is influenced, and the accuracy and the reliability of the weighing of the pole pieces are further improved.

Referring to fig. 3, the rolling assembly 400 includes a plurality of rolling members 410, a plurality of rolling grooves 420 are formed on the long plate, each rolling member 410 is embedded in each rolling groove 420 in a one-to-one correspondence manner, in one of the rolling members 410, the rolling member 410 includes a rolling shaft 411, a roller 412, a first hub 413 and a second hub 414, the first end of the rolling shaft is arranged on the side wall of one end of the rolling groove, the second end of the rolling shaft is arranged on the side wall of the other end of the rolling groove, the roller is rotatably sleeved on the rolling shaft, the first shaft sleeve is sleeved on the first end of the rolling shaft, and one side surface of the first shaft sleeve is attached to the side wall of one end of the rolling groove, the second shaft sleeve is sleeved on the second end of the rolling shaft, and one side surface of the second shaft sleeve is attached to the side wall of the other end of the rolling groove. Note that, the rolling shaft 411 is used for fixing the roller 412; the roller 412 is used for conveniently rolling the lithium battery tab; the first bushing 413 and the second bushing 414 are used to fix the rolling shaft 411. Through setting up cylinder and roll axis to make and place lithium-ion battery pole piece on the long board and change into rolling friction from sliding friction, thereby can reduce the damage to the pole piece effectively.

Referring to fig. 4, the level detecting assembly 500 includes a glass tube 510, a ball 520, and two fixing tubes 530, wherein a horizontal placing groove is disposed on the placing long plate, the two fixing tubes are disposed at two ends of the glass tube respectively, and the two fixing tubes are further mounted on inner sidewalls at two ends of the horizontal placing groove, the glass tube has a hollow transparent structure, and the ball is disposed in the hollow transparent structure in a rolling manner. Furthermore, the horizontal detection assemblies are arranged in two, and the two horizontal detection assemblies are respectively arranged on the long placing plate. It should be noted that the glass tube 510 is used for placing the ball 520; the ball 520 is used for visually testing the horizontal position of the long plate, and when the position is not horizontal, the ball rolls behind the glass tube body 510; the fixing tube 530 is used to fix the glass tube body 510.

Referring to fig. 3 and 5, the breaking assembly 600 includes a first breaking portion 610 and a second breaking portion 620, the first breaking portion is configured to be installed in a previous device at a previous station of an automatic weighing device for lithium battery pole pieces, the second breaking portion is configured to be installed in a subsequent device at a subsequent station of the automatic weighing device for lithium battery pole pieces, the first breaking portion 610 includes a first breaking plate 611, a first hinge 612, and a first supporting member 613, one end of the first hinge is disposed on the previous device, the other end of the first hinge is disposed on the first breaking plate, the first supporting member 613 includes a first rotating motor 613a, a first telescopic rod 613b, and a first supporting rod 613c, the first telescopic rod is disposed on the first rotating motor, one end of the first supporting rod is disposed on the first telescopic rod, and one end of the first supporting rod, which is far away from the first telescopic rod, is supported on the first breaking plate, the second breaking portion 620 includes a second breaking plate 621, a second hinge 622 and a second support 623, one end of the second hinge is disposed on the subsequent device, the other end of the second hinge is disposed on the second breaking plate, the second support 623 includes a second rotating electrical machine 623a, a second telescopic rod 623b and a second supporting rod 623c, the second telescopic rod is disposed on the second rotating electrical machine, one end of the second supporting rod is disposed on the second telescopic rod, and one end of the second supporting rod far from the second telescopic rod is supported on the second breaking plate.

It should be noted that, when the long plate is placed and the first breaking portion 610 and the second breaking portion 620 are inclined one above the other, the first breaking plate in the first breaking portion 610 and the second breaking plate in the second breaking portion 620 can be bent, so that the two stations are prevented from being impacted by the long plate, and then the position of the lithium battery pole piece placed on the long plate is adjusted, so that the accuracy and reliability of pole piece weighing can be improved. The first breaking plate 611 can be bent, and the first hinge 612 is used for realizing the bending; the first support 613 is used to support the breaking plate. Further, the first rotating electric machine 613a is used for driving the first telescopic rod 613b to ascend or descend, so that the first holding rod 613c can hold the first breaking plate in a holding manner, or does not hold the first breaking plate in a holding manner, when the lithium battery needs to be bent, the first telescopic rod 613b descends, then the first breaking plate is folded through the first hinge, so that the first breaking plate cannot be close to the long plate to be placed, weighing and measuring of the long plate cannot be influenced, and the lithium battery can be also understood as being capable of bending the first breaking plate when the lithium battery is placed on the long plate to be weighed. That is, transfer first telescopic link, then rotate first rupture board through first hinge to can vacate more positions and weigh for placing the long board, thereby avoid placing the long board and strike other stations, influence the weighing to lithium-ion battery pole piece, further improve accuracy and the reliability of weighing the pole piece.

So, through setting up rolling subassembly, horizontal detection subassembly and rupture subassembly, can avoid damaging the pole piece of lithium cell at gliding in-process, can also avoid placing the condition that the long slab appears tilting one on the other, and then improve lithium battery pole piece automatic weighing's accuracy to avoid placing the long slab and strike other stations, the influence is to weighing of lithium battery pole piece, further improves accuracy and the reliability of weighing the pole piece.

Please refer to fig. 6, wherein fig. 6 is a schematic structural diagram of an automatic weighing device for a lithium battery pole piece according to another embodiment of the present invention. The automatic weighing device for the lithium battery pole piece can be additionally provided with the sheet making machine in front of the station of the automatic weighing device, so that the lithium battery pole piece can be made, and then the lithium battery pole piece is weighed by the automatic weighing device. So, can realize conveniently carrying out automatic weighing to the utmost point piece.

Compared with the prior art, the invention has the following advantages and beneficial effects:

the invention relates to an automatic weighing device for a lithium battery pole piece, which can directly weigh the pole piece without winding or binding by arranging a supporting assembly and a weighing assembly, thereby accurately measuring the weight of the pole piece, providing accurate data for the production of subsequent lithium batteries, avoiding errors of weighing and calculating and improving the reliability of the calculation of the production quantity of the lithium batteries.

The above embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.