CN210110979U - Lithium battery formation jig - Google Patents

Abstract

The utility model discloses a lithium cellization becomes tool, including PCB base plate, anodal ear clamping jaw external member and negative pole ear clamping jaw external member. The sliding holes are formed, and the sliding seats are arranged, so that the lithium battery formation jig can be adaptive to batteries with different roll core length specifications, and a manufacturer can fix the batteries with various roll core specifications by using only one jig; the arrangement of the positive pole lug clamping jaw and the positive pole torsion spring and the arrangement of the negative pole lug clamping jaw and the negative pole torsion spring enable workers to clamp the battery pole lug on the lithium battery formation jig stably without tools, and the lithium battery formation jig is very convenient and fast; the setting of anodal conducting strip and negative pole conducting strip, the setting of supplementary anodal conducting strip and supplementary negative pole conducting strip has increased the area of contact that is used for conducting the sheetmetal of battery current and battery tab on the tool, avoids taking place the condition of contact failure because of area of contact undersize between battery tab and the conductive metal piece, and then prevents that the battery from becoming the in-process and becoming the return circuit disconnection between the cabinet.

Description

Lithium battery formation jig

Technical Field

The utility model relates to a tool technical field especially relates to a lithium cellization becomes tool.

Background

Lithium batteries are batteries using a nonaqueous electrolyte solution and using lithium metal or a lithium alloy as a negative electrode material. Because the chemical characteristics of lithium metal are very active, the requirements on the environment for processing, storing and using the lithium metal are very high. With the development of science and technology, lithium batteries have become the mainstream nowadays. After the battery is manufactured, a formation process is needed, wherein the formation process refers to a process of activating internal positive and negative electrode substances in the battery in a certain charging and discharging mode to improve the charging and discharging performance of the battery and the comprehensive performance of self-discharging, storage and the like, and after the formation process is finished, the active substances of the battery core can be activated, so that the formation process is very important and is also an important process which influences the performance of the battery.

In order to improve the formation efficiency of the battery, manufacturers generally place the battery into a formation cabinet, and the formation cabinet is used for forming the lithium battery, so that the simultaneous formation of the large-batch lithium battery is realized, the manual charging and discharging switching, the current setting and the like are not needed, and the operation is very convenient. For the lithium battery 20 shown in fig. 5, the battery 20 has an axisymmetrical structure, and the battery 20 includes a winding core 21, a positive tab 22 and a negative tab 23, where the positive tab 22 and the negative tab 23 are respectively located on two opposite sides of the winding core 21. The length of the part of the winding core 21 is flexibly adjusted according to actual production requirements, but the jigs in the prior art can only be matched with a battery structure with one length, so that manufacturers need to purchase different types of battery jigs to fix the batteries, and great inconvenience is brought; secondly, when the jig in the prior art is used for fixing the lug, a tool is needed to rotate the screw, the pressing block is driven by the screw to press the lug of the battery, and the lug fixing step is very complicated, time-consuming and labor-consuming; in addition, the last sheetmetal that is used for conduction current that generally all can be provided with of current tool, but the sheetmetal generally only sets up on the pedestal of tool, and the sheetmetal only contacts with a side of utmost point ear, and the contact area of sheetmetal and utmost point ear is less, places the tool in becoming the in-process of changing into the battery in the cabinet, the utmost point ear and the sheetmetal bad condition of contact of battery appear very easily, lead to changing into of battery to fail.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the weak point among the prior art, providing a lithium cell that can the different book core length specifications of adaptation, need not to fix the battery utmost point ear with the help of the instrument firmly, can also avoid simultaneously because of battery utmost point ear and conductive metal piece area of contact less, and lead to the battery to become the lithium cellization that the failure phenomenon takes place and become the tool.

The purpose of the utility model is realized through the following technical scheme:

a lithium cellization becomes tool includes:

the PCB substrate is provided with a sliding hole;

the positive lug clamping jaw set comprises a positive conducting strip, a rotating shaft, a positive lug clamping jaw, an auxiliary positive conducting strip and a positive torsion spring, wherein the positive conducting strip is arranged on the PCB substrate, the rotating shaft is rotatably arranged on the PCB substrate, the positive lug clamping jaw is arranged on the rotating shaft, the auxiliary positive conducting strip is arranged on the positive lug clamping jaw, the positive torsion spring is sleeved on the rotating shaft, one end of the positive torsion spring is contacted with the PCB substrate, and the other end of the positive torsion spring is contacted with the positive lug clamping jaw; and

the negative pole lug clamping jaw set comprises a sliding seat, a negative pole conducting strip, a rotating rod, a negative pole lug clamping jaw, an auxiliary negative pole conducting strip, a negative pole torsional spring and a clamping and positioning assembly, wherein the sliding seat is arranged on the PCB substrate and can move back and forth along the sliding hole, a clamping groove is formed in the sliding seat, the negative pole conducting strip is arranged on the sliding seat, the rotating rod is rotatably arranged on the sliding seat, the negative pole lug clamping jaw is arranged on the rotating rod, the auxiliary negative pole conducting strip is arranged on the negative pole lug clamping jaw, the negative pole torsional spring is sleeved on the rotating rod, one end of the negative pole torsional spring is contacted with the negative pole lug clamping jaw, the other end of the negative pole torsional spring is contacted with the sliding seat, the clamping and positioning assembly comprises a clamping torsional spring, a connecting sheet and a clamping sheet, and the clamping torsional spring is sleeved on the rotating rod, and one end of the clamping torsion spring is in contact with the negative pole lug clamping jaw, the connecting piece is arranged at the other end of the clamping torsion spring, the connecting piece sequentially penetrates through the sliding seat and the sliding hole, and the clamping piece is arranged on the connecting piece.

In one embodiment, the PCB substrate is provided with a plurality of positioning grooves at positions adjacent to the sliding holes, the sliding seat is provided with positioning protrusions, and the sliding seat is used for sliding relative to the PCB substrate so that the positioning protrusions fall into one of the positioning grooves.

In one embodiment, the PCB substrate is provided with a positive conductive sheet and a negative conductive sheet, and the positive conductive sheet and the negative conductive sheet are respectively disposed on the PCB substrate.

In one embodiment, the interval between the positive conductive sheet and the negative conductive sheet is 40mm to 55 mm.

In one embodiment, the width of the negative conductive tab is greater than or equal to the width of a battery tab.

In one embodiment, the PCB substrate is provided with a protective ring wall, the protective ring walls jointly enclose an avoiding groove, the sliding hole is located at the bottom of the avoiding groove, and the clamping piece is located in the avoiding groove.

In one embodiment, the length of the slide hole is 80mm to 95 mm.

In one embodiment, the PCB substrate is provided with a positioning hole and a positioning groove.

In one embodiment, two pushing hands are arranged on the sliding seat, and the two pushing hands are in an axisymmetrical structure with the central axis of the sliding seat.

In one embodiment, the negative tab clamping jaw is provided with a rounded portion.

The utility model discloses compare in prior art's advantage and beneficial effect as follows:

the utility model discloses a lithium cellization becomes tool is provided with PCB base plate, anodal ear clamping jaw external member and negative pole ear clamping jaw external member. The sliding holes are formed, and the sliding seats are arranged, so that the lithium battery formation jig can be adaptive to batteries with different roll core length specifications, and a manufacturer can fix the batteries with various roll core specifications by using only one jig; the arrangement of the positive pole lug clamping jaw and the positive pole torsion spring and the arrangement of the negative pole lug clamping jaw and the negative pole torsion spring enable workers to clamp the pole lug of the battery on the lithium battery formation jig stably without tools, and the lithium battery formation jig is very convenient and fast; the setting of anodal conducting strip and negative pole conducting strip, the setting of supplementary anodal conducting strip and supplementary negative pole conducting strip has increased the area of contact that is used for conducting the sheetmetal of battery current and battery tab on the tool, avoids taking place the condition of contact failure because of area of contact undersize between battery tab and the conductive metal piece, and then prevents that the battery from becoming the in-process and becoming the return circuit disconnection between the cabinet.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required 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 a lithium battery formation jig according to an embodiment of the present invention;

fig. 2 is a schematic view of an internal structure of a lithium battery formation jig according to an embodiment of the present invention;

fig. 3 is a broken view of a lithium battery formation jig according to an embodiment of the present invention;

FIG. 4 is an enlarged schematic view of the lithium battery formation jig shown in FIG. 2 at A;

fig. 5 is a schematic structural view of a battery.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The 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, a lithium battery formation jig 10 includes a PCB substrate 100, a positive tab clamping jaw set 200 and a negative tab clamping jaw set 300, a slide hole 110 is formed on the PCB substrate 100, the positive tab clamping jaw set 200 and the negative tab clamping jaw set 300 are both disposed on the PCB substrate 100, and the negative tab clamping jaw set 300 can move back and forth along the slide hole 110.

Thus, it should be noted that the PCB substrate 100 plays a role of bearing the positive tab clamping jaw set 200 and the negative tab clamping jaw set 300, and is used for connecting the tab of the battery to the formation cabinet, so that a loop is formed between the tab of the battery and the formation cabinet; the positive lug clamping jaw kit 200 is used for clamping a positive lug of a battery; the negative electrode tab clamping jaw assembly 300 is used to clamp the negative electrode tab of a battery.

Referring to fig. 1 again, the positive tab clamping jaw set 200 includes a positive conductive plate 210, a rotating shaft 220, a positive tab clamping jaw 230, an auxiliary positive conductive plate 240 and a positive torsion spring 250, the positive conductive plate 210 is disposed on the PCB substrate 100, the rotating shaft 220 is rotatably disposed on the PCB substrate 100, the positive tab clamping jaw 230 is disposed on the rotating shaft 220, the auxiliary positive conductive plate 240 is disposed on the positive tab clamping jaw 230, the positive torsion spring 250 is sleeved on the rotating shaft 220, one end of the positive torsion spring 250 contacts with the PCB substrate 100, and the other end of the positive torsion spring 250 contacts with the positive tab clamping jaw 230.

Therefore, it should be noted that the positive electrode conducting strip 210 and the auxiliary positive electrode conducting strip 240 are used for respectively clamping two opposite side surfaces of the positive electrode tab of the battery, so that both the side surfaces of the positive electrode tab of the battery can be directly contacted with the metal sheet for conducting, thereby preventing the poor contact between the positive electrode tab of the battery and the conductive metal sheet, and further avoiding the failure of battery formation; the rotating shaft 220 plays a role in supporting the positive lug clamping jaw 230 to rotate; the positive tab clamping jaw 230 is used for mounting an auxiliary positive conducting strip 240; the auxiliary positive conductive sheet 240 is used to conduct current; the positive torsion spring 250 is used to provide elasticity;

in particular, in the practical application process, the specific steps of clamping the battery tab include: pressing the positive tab clamping jaw 230 to separate the auxiliary positive conducting strip 240 from the positive conducting strip 210; the tab of the battery is placed in the gap between the auxiliary positive conducting strip 240 and the positive conducting strip 210; the positive tab clamping jaw 230 is released, so that the positive torsion spring 250 drives the positive tab clamping jaw 230 to rotate, the auxiliary positive conductive tab 240 is driven by the positive tab clamping jaw 230 to gradually approach the positive conductive tab 210, and finally, the battery tab is clamped between the positive conductive tab 210 and the auxiliary positive conductive tab 240. In the above-mentioned battery tab fixing process, it is only necessary to manually operate the positive tab clamping jaw 230 to compress and release the positive torsion spring 250 without using tools.

Referring to fig. 1 and 4 together, the negative tab clamping jaw assembly 300 includes a sliding seat 310, a negative conducting strip 320, a rotating rod 330, a negative tab clamping jaw 340, an auxiliary negative conducting strip 350, a negative torsion spring 360 and a clamping and positioning assembly 370, wherein the sliding seat 310 is disposed on the PCB substrate 100, the sliding seat 310 is capable of reciprocating along the sliding hole 110, the sliding seat 310 is provided with a fastening slot 311, the negative conducting strip 350 is disposed on the sliding seat 310, the rotating rod 330 is movably mounted on the sliding seat 310, the negative tab clamping jaw 340 is disposed on the rotating rod 330, the auxiliary negative conducting strip 350 is disposed on the negative tab clamping jaw 340, the negative torsion spring 360 is sleeved on the rotating rod 330, one end of the negative torsion spring 360 contacts with the negative tab clamping jaw 340, the other end of the negative torsion spring 360 contacts with the sliding seat 310, the clamping and positioning assembly 370 includes clamping torsion springs 371, 372 and 371, and 373, the clamping torsion spring is sleeved on the rotating, and one end of the clamping torsion spring 371 contacts with the negative tab clamping jaw 340, the connecting piece 372 is disposed at the other end of the clamping torsion spring 371, the connecting piece 372 sequentially penetrates through the sliding seat 310 and the sliding hole 110, and the clamping piece 373 is disposed on the connecting piece 372.

Thus, it should be noted that the sliding seat 310 plays a role of bearing; the negative conducting plate 320 and the auxiliary negative conducting plate 350 are respectively used for contacting with the opposite connecting side surfaces of the battery negative electrode lug, compared with the prior art, the contact area between the battery negative electrode lug and a metal sheet used for conducting current on a jig is increased, and therefore the condition of poor contact between the battery and the metal sheet is further avoided; the negative tab clamping jaw 340 is used for mounting an auxiliary negative conducting strip 350; the negative torsion spring 360 plays a role of providing elasticity to the negative tab clamping jaw 340, and is used for driving the negative tab clamping jaw 340 to drive the negative tab clamping jaw 340 to be close to the negative conducting strip 320; the clamping and positioning assembly 370 is used for fixing the sliding seat 310 on the PCB substrate 100, and plays a role in preventing the sliding seat 310 from sliding relative to the PCB substrate 100; the clamping torsion spring 371 is used for providing elasticity for the connecting sheet 372; the connecting piece 372 is used for connecting the end part of the clamping torsion spring 371 and the clamping piece 373; the clamping piece 373 is used for supporting the PCB substrate 100 by fixing the sliding seat 310.

In particular, it should be noted that, in the practical application process, when the distance between the positive tab clamping jaw set 200 and the negative tab clamping jaw set 300 needs to be adjusted, the specific steps of adjusting the distance include: moving the sliding seat 310 to a predetermined position such that the distance from the positive ear jaw set 200 to the negative ear jaw set 300 matches the length of the battery; rotate the tip of centre gripping torsional spring 371 along bull stick 330 and insert in buckle groove 311 to drive the other end of centre gripping torsional spring 371 and rotate along bull stick 330 syntropy, and then drive connection piece 372 and remove towards the direction of keeping away from sliding seat 310, finally make centre gripping piece 373 and sliding seat 310 respectively with PCB base plate 100 relative both sides face top each other and hold, so, increased the frictional force between sliding seat 310 and PCB base plate 100, accomplish the fixed of sliding seat 310.

In order to solve the technical problem that the sliding seat 310 is easy to be deviated on the lithium battery formation jig 10, please refer to fig. 2 and fig. 4, a plurality of positioning grooves 111 are formed at the positions of the PCB substrate 100 adjacent to the sliding holes 110, and the sliding seat 310 is provided with positioning protrusions 380, so that the positioning protrusions 380 fall into one of the positioning grooves 111 when the sliding seat 310 slides relative to the PCB substrate 100.

Thus, in the practical application process, when the relative position between the sliding seat 310 and the PCB substrate 100 needs to be adjusted, the positioning protrusions 380 sequentially fall into the positioning grooves 111, and the contact area between the sliding seat 310 and the PCB substrate 100 is enlarged by the positioning protrusions 380 and the positioning grooves 111, so that the friction force between the sliding seat 310 and the PCB substrate 100 is improved, and the sliding seat 310 is prevented from shifting.

In order to form a loop between the battery and the formation cabinet, please refer to fig. 1 again, the positive conductive sheet 120 and the negative conductive sheet 130 are disposed on the PCB substrate 100, and the positive conductive sheet 120 and the negative conductive sheet 130 are disposed on the PCB substrate 100, respectively.

In this way, it should be noted that the positive conductive piece 120 and the negative conductive piece 130 are used for being inserted into the port of the formation cabinet, so as to conduct the battery with the formation cabinet

In order to enable the PCB substrate 100 to be inserted into a current port formed on the formation cabinet, please refer to fig. 1 again, the interval between the positive conductive sheet 120 and the negative conductive sheet 130 is set to be 40mm to 55 mm.

Thus, the interval between the positive conductive piece 120 and the negative conductive piece 130 is set to be 40 mm-55 mm, so that the positive conductive piece 120 and the negative conductive piece 130 can be respectively inserted into the current port formed on the formation cabinet, and the battery can be formed into a loop between the formation cabinet through the positive conductive piece 120 and the negative conductive piece 130.

In order to further prevent the occurrence of poor contact between the battery tab and the metal sheet for conducting current, please refer to fig. 1 again, the width of the negative conductive sheet 320 is set to be greater than or equal to the width of the battery tab.

Therefore, all positions of the side surface of the battery tab can be in contact with the negative conductive sheet 320, and the conduction area of the battery tab and the negative conductive sheet 320 is ensured as much as possible.

In order to solve the technical problem that the clamping piece 373 is easily damaged, please refer to fig. 3, the PCB substrate 100 is provided with the guard ring walls 140, the guard ring walls 140 jointly define the avoiding groove 141, the sliding hole 110 is located at the bottom of the avoiding groove 141, and the clamping piece 373 is located in the avoiding groove 141.

Thus, the arrangement of the protection ring wall 140 can prevent the clamping piece 373 from being directly worn or collided with external objects, and further improve the durability of the lithium battery formation jig 10.

In order to adapt the lithium battery formation jig 10 to batteries with different core lengths, please refer to fig. 3 again, the length value of the sliding hole 110 is set to 80mm to 95 mm.

So, set up the length value of slide opening 110 into 80mm ~ 95mm, can make lithium cellization become tool 10 can carry out the centre gripping to the utmost point ear of the battery of multiple specification, further improved the suitability that lithium cellization becomes tool 10.

In order to solve the technical problem that it is difficult to position the lithium battery formation jig 10 in the formation cabinet, please refer to fig. 3 again, by forming the positioning hole 150 and the positioning slot 160 on the PCB substrate 100.

Thus, it should be noted that the formation cabinet is provided with a positioning column corresponding to the positioning hole 150, and the formation cabinet is also provided with a positioning boss corresponding to the positioning groove 160; when need become lithium cellization tool 10 assembly to formation when cashier's office in a shop, can correspond the reference column and insert in locating hole 150, correspond the locating groove 160 with the location boss simultaneously in, the setting of locating hole 150 and locating groove 160 can become lithium cellization tool 10 and carry out two point location in the formation cashier's office in a shop to can improve the efficiency that the workman installed lithium cellization tool 10.

In order to solve the technical problem that it is difficult for a worker to adjust the distance between the positive tab clamping jaw set 200 and the negative tab clamping jaw set 300, please refer to fig. 1 again, two pushing handles 312 are arranged on the sliding seat 310, and the two pushing handles 312 are in an axisymmetrical structure with the central axis of the sliding seat 310.

Thus, the worker can adjust the distance from the negative electrode tab clamping jaw set 300 to the positive electrode tab clamping jaw set 200 by pushing the pushing hand 312, which is very convenient; meanwhile, the two push handles 312, which are arranged in an axisymmetric manner, may enable the pushing forces applied by the worker to all positions of the sliding seat 310 to be equal, and prevent the sliding seat 310 from being deviated and stuck on the PCB substrate 100.

To solve the problem of easy damage to the negative tab holding jaw 340, please refer to fig. 1 again, by providing a rounded corner on the negative tab holding jaw 340.

Therefore, the negative electrode tab clamping jaw 340 can be prevented from being damaged due to stress concentration, and the durability of the lithium battery formation jig 10 is improved.

The utility model discloses a lithium cellization becomes tool is provided with PCB base plate, anodal ear clamping jaw external member and negative pole ear clamping jaw external member. The sliding holes are formed, and the sliding seats are arranged, so that the lithium battery formation jig can be adaptive to batteries with different roll core length specifications, and a manufacturer can fix the batteries with various roll core specifications by using only one jig; the arrangement of the positive pole lug clamping jaw and the positive pole torsion spring and the arrangement of the negative pole lug clamping jaw and the negative pole torsion spring enable workers to clamp the pole lug of the battery on the lithium battery formation jig stably without tools, and the lithium battery formation jig is very convenient and fast; the setting of anodal conducting strip and negative pole conducting strip, the setting of supplementary anodal conducting strip and supplementary negative pole conducting strip has increased the area of contact that is used for conducting the sheetmetal of battery current and battery tab on the tool, avoids taking place the condition of contact failure because of area of contact undersize between battery tab and the conductive metal piece, and then prevents that the battery from becoming the in-process and becoming the return circuit disconnection between the cabinet.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. The utility model provides a lithium cellization becomes tool which characterized in that includes:

the PCB substrate is provided with a sliding hole;

the positive lug clamping jaw set comprises a positive conducting strip, a rotating shaft, a positive lug clamping jaw, an auxiliary positive conducting strip and a positive torsion spring, wherein the positive conducting strip is arranged on the PCB substrate, the rotating shaft is rotatably arranged on the PCB substrate, the positive lug clamping jaw is arranged on the rotating shaft, the auxiliary positive conducting strip is arranged on the positive lug clamping jaw, the positive torsion spring is sleeved on the rotating shaft, one end of the positive torsion spring is contacted with the PCB substrate, and the other end of the positive torsion spring is contacted with the positive lug clamping jaw; and

the negative pole lug clamping jaw set comprises a sliding seat, a negative pole conducting strip, a rotating rod, a negative pole lug clamping jaw, an auxiliary negative pole conducting strip, a negative pole torsional spring and a clamping and positioning assembly, wherein the sliding seat is arranged on the PCB substrate and can move back and forth along the sliding hole, a clamping groove is formed in the sliding seat, the negative pole conducting strip is arranged on the sliding seat, the rotating rod is rotatably arranged on the sliding seat, the negative pole lug clamping jaw is arranged on the rotating rod, the auxiliary negative pole conducting strip is arranged on the negative pole lug clamping jaw, the negative pole torsional spring is sleeved on the rotating rod, one end of the negative pole torsional spring is contacted with the negative pole lug clamping jaw, the other end of the negative pole torsional spring is contacted with the sliding seat, the clamping and positioning assembly comprises a clamping torsional spring, a connecting sheet and a clamping sheet, and the clamping torsional spring is sleeved on the rotating rod, and one end of the clamping torsion spring is in contact with the negative pole lug clamping jaw, the connecting piece is arranged at the other end of the clamping torsion spring, the connecting piece sequentially penetrates through the sliding seat and the sliding hole, and the clamping piece is arranged on the connecting piece.

2. The lithium battery formation jig as claimed in claim 1, wherein a plurality of positioning grooves are formed at a position of the PCB substrate adjacent to the sliding hole, the sliding seat is provided with a positioning protrusion, and the sliding seat is configured to slide relative to the PCB substrate so that the positioning protrusion falls into one of the positioning grooves.

3. The lithium battery formation jig of claim 1, wherein a positive conductive sheet and a negative conductive sheet are disposed on the PCB substrate, and the positive conductive sheet and the negative conductive sheet are disposed on the PCB substrate, respectively.

4. The lithium cellization forming jig according to claim 3, characterized in that the interval between the positive conductive sheet and the negative conductive sheet is 40mm to 55 mm.

5. The lithium cellization jig of claim 1, wherein the width of the negative conductive sheet is greater than or equal to the width of a battery tab.

6. The lithium battery formation jig as claimed in claim 1, wherein the PCB substrate is provided with guard ring walls, the guard ring walls jointly define a clearance groove, the slide hole is located at the bottom of the clearance groove, and the clamping piece is located in the clearance groove.

7. The lithium cellization tool of claim 1, wherein the length value of the slide hole is 80mm to 95 mm.

8. The lithium battery formation jig of claim 1, wherein the PCB substrate is provided with a positioning hole and a positioning groove.

9. The lithium cellization tool as set forth in claim 1, wherein the sliding seat is provided with two pushing hands, and the two pushing hands are axially symmetric about a central axis of the sliding seat.

10. The lithium cellization jig of claim 1, characterized in that the negative electrode tab clamping jaw is provided with a rounded portion.

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