A rapid formation device for lithium battery production

By designing a rapid transformation device, using vacuum charging and hydraulic cylinder-driven wetting and removal mechanisms, the existing lithium battery transformation process is solved, and the rapid transformation and efficient process of battery cells is realized.

CN115084689BActive Publication Date: 2025-04-15WUHU ETC BATTERY LTD
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Patent Information

Application Number
CN202210710051.8
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-06-22
Publication Date
2025-04-15
Estimated Expiration
2042-06-22

AI Technical Summary

Technical Problem

The process of shaping the existing lithium battery is complicated and there are many factors that require control, which leads to wasting time and operators, increasing costs and process time.

Method used

A rapid transformation device for lithium battery production is designed, including a transformation mechanism, a placement mechanism and a removal mechanism. The chemical formation mechanism is charged and infiltrated under vacuum conditions. The placement mechanism uses the hydraulic cylinder to drive the battery core to be completely infiltrated. The extraction mechanism clamps and extrudes excess electrolyte through the hydraulic cylinder drive.

Benefits of technology

The rapid transformation of battery cells is achieved, the operation process is simplified, the time and labor costs are reduced, and the process efficiency is improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a rapid formation device for lithium battery production, which relates to the technical field of lithium battery production, including a formation mechanism, a placement mechanism and a removal mechanism. The formation mechanism is used to soak a group of battery cells in electrolyte and charge them under vacuum conditions. The formation mechanism includes a liquid storage tank, a vacuum cover, a mounting plate, a charger and a hydraulic cylinder. The placement mechanism is arranged between the liquid storage tank and the vacuum cover and is used to completely soak a group of battery cells in the electrolyte in the liquid storage tank. The removal mechanism is arranged behind the liquid storage tank and the vacuum cover and is used to take out a group of battery cells that have been fully soaked in electrolyte and vacuum charged, and in the process, squeeze out the excess electrolyte on these battery cells. The rapid formation device for lithium battery production in the invention has the characteristics of convenient battery cell placement, rapid battery cell formation and quick battery cell removal.
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Description

Technical Field

[0001] The invention relates to the technical field of lithium battery production, and in particular to a rapid formation device for lithium battery production. Background Art

[0002] The formation of lithium batteries is a process of charging them once they are produced to activate the battery, which is similar to the "formatting" of a floppy disk. The battery can only start to charge and discharge normally after the formation is completed. The principle is to charge the battery for the first time to activate the active substances in the battery and form a dense film on the surface of the anode to protect the entire chemical interface.

[0003] At present, the lithium battery formation process is to encapsulate the bare battery cell into a shell, then inject a certain amount of electrolyte, and then form it after a period of static. The existing lithium battery formation process is complicated, and there are many factors that need to be controlled. The entire formation process requires a lot of time and operators, which wastes a lot of cost and process time. Summary of the invention

[0004] The object of the present invention is to provide a rapid formation device for lithium battery production to solve the above-mentioned defects caused by the prior art.

[0005] A rapid formation device for lithium battery production, comprising a formation mechanism, a placement mechanism and a removal mechanism, wherein:

[0006] The formation mechanism is used to soak a group of battery cells with electrolyte and charge them under vacuum conditions. The formation mechanism includes a liquid storage tank, a vacuum cover, a mounting plate, a charger and a hydraulic cylinder. The liquid storage tank contains electrolyte, a support sheet is evenly fixed on the lower side of the liquid storage tank, the vacuum cover is horizontally arranged above the liquid storage tank, an exhaust pipe is centrally connected to the upper side of the vacuum cover, the mounting plate is parallelly arranged below the vacuum cover, each corner of the mounting plate is slidably connected with a mounting column, the upper end of the mounting column is mounted on the top of the vacuum cover, and the mounting column is equipped with a buffer spring between the vacuum cover and the mounting plate. The charger is provided with a plurality of them and evenly installed on the lower side of the mounting plate. The hydraulic cylinder is provided with a pair and is symmetrically distributed on the left and right. The hydraulic cylinder is vertically connected to the side of the liquid storage tank through a fixing sheet, the piston rod end of the hydraulic cylinder is connected to a connecting sheet, and the connecting sheet is horizontally connected to the upper side of the vacuum cover. A sealing strip is embedded at the bottom edge of the vacuum cover.

[0007] The placement mechanism is arranged between the liquid storage tank and the vacuum cover and is used to completely immerse a group of battery cells in the electrolyte in the liquid storage tank;

[0008] The taking-out mechanism is arranged behind the liquid storage tank and the vacuum cover and is used to take out a group of battery cells that have been fully soaked in the electrolyte and vacuum-charged, and during this process, squeeze out the excess electrolyte on these battery cells.

[0009] Preferably, the placing mechanism includes a placing strip, a connecting plate, and a second hydraulic cylinder. The placing strip has a "U" shape and is arranged between the liquid storage tank and the vacuum cover. A plurality of connecting plates are provided and evenly distributed below the placing strip. A group of connecting columns are vertically connected to the upper side edges of the connecting plates. The connecting columns all penetrate through the placing strip and are slidably connected to the placing strip. A reset spring is sleeved between the placing strip and the connecting plate for each connecting column, and the upper and lower ends of the reset spring are respectively welded and fixed to the placing strip and the connecting plate. Two pairs of second hydraulic cylinders are provided and symmetrically distributed left and right. The second hydraulic cylinders are all vertically and upwardly connected to the side surface of the liquid storage tank through fixing pieces two. The ends of the piston rods of the two second hydraulic cylinders on the same side are jointly connected to a second connecting piece, and the left and right second connecting pieces are correspondingly welded to the left and right ends of the placing strip.

[0010] Preferably, the taking-out mechanism includes a suspension plate, a third hydraulic cylinder, a moving plate, a taking-out piece, a fourth hydraulic cylinder, a moving strip, and a pushing block. The suspension plate is horizontally connected to the rear side of the liquid storage tank. A pair of third hydraulic cylinders are provided and symmetrically distributed left and right. The third hydraulic cylinders are all horizontally and forwardly connected to the upper side of the suspension plate through fixing pieces three. The ends of the piston rods of the third hydraulic cylinders are all connected to a third connecting piece. The left and right ends of the moving plate are correspondingly connected to the lower sides of the left and right third connecting pieces. A plurality of taking-out pieces are provided and evenly distributed below the moving plate. The taking-out piece includes a limiting plate, a limiting column, a taking-out plate, and a linkage block. The limiting plate has an inverted "U" shape and is installed on the lower side of the moving plate. Rectangular limiting openings are symmetrically provided on the upper left and right sides of the limiting plate. A pair of limiting columns are symmetrically connected to the lower part of the limiting plate front and rear. A pair of taking-out plates are provided and arranged horizontally and parallel to each other inside the limiting plate. The upper parts of the taking-out plates are all slidably connected to the two limiting columns. A first compression spring is sleeved between the two limiting columns for each taking-out plate, and the left and right ends of the first compression spring are respectively welded and fixed to the left and right taking-out plates. The linkage block is an isosceles trapezoidal wedge block and is slidably matched with the two limiting openings. The linkage block is arranged inside the limiting plate and its two inclined surfaces are abutted against the upper edges of the two taking-out plates. A right-angled triangular linkage groove is provided at the rear end of the linkage block. A group of second compression springs are evenly connected between the linkage block and the limiting plate. A pair of fourth hydraulic cylinders are provided and symmetrically distributed left and right. The fourth hydraulic cylinders are all horizontally and forwardly connected to the ends of the moving plate through fixing pieces four. The left and right ends of the moving strip are correspondingly connected to the ends of the piston rods of the two fourth hydraulic cylinders. The pushing block is a right-angled triangular wedge block. A plurality of pushing blocks are provided and evenly fixed to the front side of the moving strip.

[0011] Preferably, a loading member is provided above the suspension plate. The loading member includes a loading plate and clamping pieces. The loading plate has a "U" - shaped structure and is symmetrically provided with rectangular lifting ports on its left and right sides. A plurality of clamping pieces are provided and evenly fixed on the upper side of the loading plate. The cross - section of the clamping piece is a "U" - shaped structure and its rear side is sealed. Sponge sheets are pasted on the inner surfaces of the clamping pieces.

[0012] Preferably, L - shaped positioning blocks are installed at each corner of the loading plate on the suspension plate.

[0013] Compared with the prior art, the rapid formation device for lithium - ion battery production in the present invention has the following advantages:

[0014] 1. The core can be conveniently placed. The piston rod of the second hydraulic cylinder extends to drive the placing strip above the electrolyte, and a core is placed correspondingly between each group of connecting columns, ensuring that the tabs on the core are upward. Then, the piston rod of the second hydraulic cylinder contracts to drive the placing strip and the core on it to be completely immersed in the electrolyte.

[0015] 2. The core formation is fast. The piston rod of the first hydraulic cylinder contracts to drive the vacuum cover to descend to cover the liquid - containing pool. When covering, a pair of tabs on the core are correspondingly inserted into each charger located below the mounting plate for the first charging. During charging, the air between the liquid - containing pool and the vacuum cover is also pumped away by an external vacuum device. After the core has been charged and immersed for a certain period of time, the piston rod of the first hydraulic cylinder extends to drive the vacuum cover to rise to open the liquid - containing pool.

[0016] 3. The core can be quickly taken out. The piston rod of the third hydraulic cylinder extends to drive all the taking - out members to move directly above the core. Then, the piston rod of the fourth hydraulic cylinder extends to drive the distance between a pair of taking - out plates in each taking - out member to expand. Next, the piston rod of the second hydraulic cylinder extends to drive the placing strip and the core on it above the electrolyte until a single core is in the middle of each pair of taking - out plates. Then, the piston rod of the fourth hydraulic cylinder contracts to drive the distance between a pair of taking - out plates in each taking - out member to narrow, so that the core is firmly clamped in the middle of a pair of taking - out plates, and the excess electrolyte on the core is squeezed out by this clamping force and returns to the liquid - containing pool. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three - dimensional structural schematic diagram of the whole of the present invention.

[0018] Figure 2 It is a front - view structural schematic diagram of the whole of the present invention.

[0019] Figure 3 to Figure 4 It is a structural schematic diagram of the formation mechanism in the present invention.

[0020] Figure 5 to Figure 6 It is a structural schematic diagram of the placement mechanism in the present invention.

[0021] Figures 7 to 10 It is a structural schematic diagram of the taking-out mechanism in the present invention.

[0022] in:

[0023] 10-forming mechanism; 101-liquid storage tank; 102-supporting plate; 103-vacuum cover; 104-exhaust pipe; 105-mounting plate; 106-mounting column; 107-buffer spring; 108-charger; 109-hydraulic cylinder 1; 110-fixing plate 1; 111-connecting plate 1; 112-sealing strip;

[0024] 20-placing mechanism; 201-placing bar; 202-connecting plate; 203-connecting column; 204-reset spring; 205-hydraulic cylinder 2; 206-fixing plate 2; 207-connecting plate 2;

[0025] 30-removal mechanism; 301-suspension plate; 302-hydraulic cylinder three; 303-fixed plate three; 304-connecting plate three; 305-movable plate; 306-removal member; 3061-limiting plate; 3061a-limiting port; 3062-limiting column; 3063-removal plate; 3064-compression spring one; 3065-linkage block; 3065a-linkage slot; 3066-compression spring two; 307-hydraulic cylinder four; 308-fixed plate four; 309-moving bar; 310-pushing block; 311-carrying member; 3111-carrying plate; 3111a-lifting and releasing port; 3112-card-mounting piece; 3113-sponge piece; 312-positioning block;

[0026] 40-battery cells. DETAILED DESCRIPTION

[0027] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0028] like Figures 1 to 10 As shown, a rapid formation device for lithium battery production includes a formation mechanism 10, a placement mechanism 20 and a removal mechanism 30, wherein:

[0029] The formation mechanism 10 is used to soak a group of battery cells 40 with electrolyte and charge them under vacuum conditions. The formation mechanism 10 includes a liquid storage tank 101, a vacuum cover 103, a mounting plate 105, a charger 108, and a first hydraulic cylinder 109. The interior of the liquid storage tank 101 is filled with electrolyte. Support pieces 102 are evenly fixed to the lower side of the liquid storage tank 101. The vacuum cover 103 is horizontally arranged above the liquid storage tank 101. An air extraction pipe 104 is centrally connected to the upper side of the vacuum cover 103. The mounting plate 105 is arranged parallel to the lower side of the vacuum cover 103. Mounting columns 106 are slidably connected to each corner of the mounting plate 105. The upper ends of the mounting columns 106 are all mounted on the top of the vacuum cover 103. Buffer springs 107 are sleeved between the vacuum cover 103 and the mounting plate 105 on the mounting columns 106. A plurality of chargers 108 are evenly installed on the lower side of the mounting plate 105. A pair of first hydraulic cylinders 109 are provided and are symmetrically distributed left and right. The first hydraulic cylinders 109 are vertically and upwardly connected to the sides of the liquid storage tank 101 through fixing pieces 110. The piston rod ends of the first hydraulic cylinders 109 are all connected to connection pieces 111. The connection pieces 111 are horizontally connected to the upper side of the vacuum cover 103. A sealing strip 112 is inlaid at the bottom edge of the vacuum cover 103;

[0030] The placement mechanism 20 is arranged between the liquid storage tank 101 and the vacuum cover 103 and is used to completely soak a group of battery cells 40 in the electrolyte in the liquid storage tank 101;

[0031] The extraction mechanism 30 is arranged behind the liquid storage tank 101 and the vacuum cover 103 and is used to extract a group of battery cells 40 that have been fully soaked with electrolyte and vacuum charged, and during this process, squeeze out the excess electrolyte on these battery cells 40.

[0032] In this embodiment, the placement mechanism 20 includes a placement strip 201, a connection plate 202, and a second hydraulic cylinder 205. The placement strip 201 is of a "U" - shaped structure and is arranged between the liquid storage tank 101 and the vacuum cover 103. A plurality of connection plates 202 are evenly distributed below the placement strip 201. A group of connection columns 203 are vertically connected to the upper side edges of the connection plates 202. The connection columns 203 all penetrate through the placement strip 201 and are slidably connected to the placement strip 201. Return springs 204 are sleeved between the placement strip 201 and the connection plates 202 on the connection columns 203. The upper and lower ends of the return springs 204 are respectively welded and fixed to the placement strip 201 and the connection plates 202. Two pairs of second hydraulic cylinders 205 are provided and are symmetrically distributed left and right. The second hydraulic cylinders 205 are vertically and upwardly connected to the sides of the liquid storage tank 101 through fixing pieces 206. The piston rod ends of the two second hydraulic cylinders 205 on the same side are jointly connected to a connection piece 207. The left and right connection pieces 207 are correspondingly welded to the left and right ends of the placement strip 201.

[0033] In this embodiment, the taking-out mechanism 30 includes a suspension plate 301, a hydraulic cylinder 302, a movable plate 305, a taking-out member 306, a hydraulic cylinder 4 307, a movable bar 309 and a pushing block 310. The suspension plate 301 is horizontally connected to the rear side of the liquid storage tank 101. The hydraulic cylinder 302 is provided with a pair and is symmetrically distributed on the left and right. The hydraulic cylinders 302 are horizontally connected to the upper side of the suspension plate 301 through the fixing plate 303. The ends of the piston rods of the hydraulic cylinders 302 are connected to the connecting plate 304. The left and right ends of the movable plate 305 are correspondingly connected to the left and right ends. The lower side of the connecting piece 304, the taking-out piece 306 is provided with a plurality of and evenly distributed below the movable plate 305, the taking-out piece 306 comprises a limiting plate 3061, a limiting column 3062, a taking-out plate 3063 and a linkage block 3065, the limiting plate 3061 is a ∩-shaped structure and is installed on the lower side of the movable plate 305, the upper part of the limiting plate 3061 is symmetrically provided with a rectangular limiting opening 3061a, the limiting column 3062 is provided with a pair and is symmetrically connected to the lower part of the limiting plate 3061 front and back, the taking-out plate 3063 is provided with a pair and is parallelly provided on the limiting plate The inner side of 3061, the upper part of the take-out plate 3063 is slidably connected to the two limit posts 3062, the limit posts 3062 are each provided with a compression spring 1 3064 between the two take-out plates 3063, the left and right ends of the compression spring 1 3064 are respectively welded and fixed to the left and right take-out plates 3063, the linkage block 3065 is an isosceles trapezoidal wedge block and is slidably matched with the limit openings 3061a on both sides, the linkage block 3065 is arranged on the inner side of the limit plate 3061 and its two inclined surfaces are pressed against the upper edges of the two take-out plates 3063, the linkage block 3065 A right-angled triangle linkage groove 3065a is provided at the rear end thereof, a group of compression springs 3066 are evenly connected between the linkage block 3065 and the limit plate 3061, a pair of hydraulic cylinders 307 are provided and are symmetrically distributed on the left and right, the hydraulic cylinders 307 are horizontally connected to the end of the movable plate 305 through the fixing plate 308, the left and right ends of the movable bar 309 are correspondingly connected to the ends of the piston rods of the two hydraulic cylinders 307, the pushing block 310 is a wedge-shaped block with a right-angled triangle structure, and a plurality of pushing blocks 310 are provided and evenly fixed on the front side of the movable bar 309.

[0034] In this embodiment, a loading member 311 is provided above the suspension plate 301. The loading member 311 includes a loading plate 3111 and clamping pieces 3112. The loading plate 3111 has a "U" - shaped structure and rectangular lifting ports 3111a are symmetrically arranged on its left and right sides. A plurality of clamping pieces 3112 are provided and are uniformly fixed on the upper side of the loading plate 3111. The cross - section of the clamping piece 3112 is a "U" - shaped structure and its rear side is sealed. Sponge sheets 3113 are pasted on the inner surfaces of the clamping pieces 3112. The added sponge sheets 3113 can absorb the excess electrolyte on the battery cell 40.

[0035] In this embodiment, L - shaped positioning blocks 312 are installed at each corner of the loading plate 3111 of the suspension plate 301. By installing four positioning blocks 312, rapid and accurate positioning of the loading strip 3111 in the loading member 311 can be achieved.

[0036] When this rapid formation device for lithium - battery production is actually applied, it includes the following working processes:

[0037] Step 1: The piston rod of the first hydraulic cylinder 109 extends to drive the vacuum cover 103 to rise, so as to open the liquid - containing pool 101, and ensure that the liquid - containing pool 101 is filled with electrolyte to a preset depth.

[0038] Step 2: The piston rod of the second hydraulic cylinder 205 extends to drive the placement strip 201 above the electrolyte, and place one battery cell 40 corresponding between each group of connecting columns 203, and ensure that the tabs on the battery cell 40 are upward. Then, the piston rod of the second hydraulic cylinder 205 contracts to drive the placement strip 201 and the battery cells 40 thereon to be completely immersed in the electrolyte.

[0039] Step 3: The piston rod of the first hydraulic cylinder 109 contracts to drive the vacuum cover 103 to descend to cover the liquid - containing pool 101. When covering, a pair of tabs on the battery cell 40 are correspondingly inserted into each charger 108 located below the mounting plate 105 and the first charging is carried out. During the charging period, the air between the liquid - containing pool 101 and the vacuum cover 103 is also pumped away by an external vacuum - pumping device. After the battery cell 40 has been charged and immersed for a certain period of time, the piston rod of the first hydraulic cylinder 109 extends to drive the vacuum cover 103 to rise to open the liquid - containing pool 101.

[0040] Step 4: The piston rod of the hydraulic cylinder 3 302 is extended to drive all the removal members 306 to move to the top of the battery cell 40, and then the piston rod of the hydraulic cylinder 4 307 is extended to drive the distance between the pair of removal plates 3063 in each removal member 306 to expand, and then the piston rod of the hydraulic cylinder 2 205 is extended to drive the placement bar 201 and the battery cell 40 thereon to be higher than the electrolyte, until a single battery cell 40 is in the middle of each pair of removal plates 3063, and then the piston rod of the hydraulic cylinder 4 307 is contracted to drive the distance between the pair of removal plates 3063 in each removal member 306 to decrease, so that the battery cell 40 is firmly clamped in the middle of the pair of removal plates 3063, and the excess electrolyte on the battery cell 40 is squeezed out due to the clamping force and returned to the liquid storage tank 101;

[0041] Step 5: The piston rod of hydraulic cylinder three 302 is extended to drive all the removal parts 306 and the battery cells 40 thereon to move to the top of the carrier 311, and then the piston rod of hydraulic cylinder four 307 is extended to drive the distance between a pair of removal plates 3063 in each removal part 306 to expand. Under the action of gravity, the battery cells 40 on the removal parts 306 fall onto the corresponding card-mounting piece 2 3112 on the carrier bar 311.

[0042] Therefore, the embodiments disclosed above are only illustrative in all aspects and are not exclusive. All changes within the scope of the present invention or within the scope equivalent to the present invention are included in the present invention.

Claims

1. A rapid formation device for lithium battery production, characterized in that: It comprises a forming mechanism (10), a placing mechanism (20) and a taking-out mechanism (30), wherein: The formation mechanism (10) is used to soak a group of battery cells (40) with electrolyte and charge them under vacuum conditions. The formation mechanism (10) comprises a liquid storage tank (101), a vacuum cover (103), a mounting plate (105), a charger (108) and a hydraulic cylinder (109). The liquid storage tank (101) contains electrolyte. A support sheet (102) is evenly fixed to the lower side of the liquid storage tank (101). The vacuum cover (103) is horizontally arranged above the liquid storage tank (101). An exhaust pipe (104) is centrally connected to the upper side of the vacuum cover (103). The mounting plate (105) is parallel to the lower side of the vacuum cover (103). Each corner of the mounting plate (105) is slidably connected to a mounting column (106). The upper end of the column (106) is mounted on the top of the vacuum cover (103); the mounting column (106) is provided with a buffer spring (107) between the vacuum cover (103) and the mounting plate (105); a plurality of chargers (108) are provided and are evenly mounted on the lower side of the mounting plate (105); a pair of hydraulic cylinders (109) are provided and are symmetrically distributed on the left and right; the hydraulic cylinders (109) are vertically connected to the side of the liquid storage tank (101) through a fixing plate (110); the piston rod ends of the hydraulic cylinders (109) are connected to connecting plates (111); the connecting plates (111) are horizontally connected to the upper side of the vacuum cover (103); and a sealing strip (112) is embedded at the bottom edge of the vacuum cover (103); The placement mechanism (20) is arranged between the liquid storage tank (101) and the vacuum cover (103) and is used to completely immerse a group of battery cells (40) in the electrolyte in the liquid storage tank (101). The placement mechanism (20) includes a placement strip (201), a connecting plate (202), and two hydraulic cylinders (205). The placement strip (201) has a "U" - shaped structure and is arranged between the liquid storage tank (101) and the vacuum cover (103). A number of connecting plates (202) are provided and are evenly distributed below the placement strip (201). At the upper - side edges of the connecting plates (202), a group of connecting columns (203) are vertically connected. The connecting columns (203) all penetrate through the placement strip (201) and are slidably connected to the placement strip (201). A return spring (204) is sleeved between the placement strip (201) and the connecting plate (202) for each connecting column (203). The upper and lower ends of the return spring (204) are respectively welded and fixed to the placement strip (201) and the connecting plate (202). Two pairs of hydraulic cylinders (205) are provided and are symmetrically distributed left and right. The hydraulic cylinders (205) are vertically and upwardly connected to the side surface of the liquid storage tank (101) through fixing pieces two (206). The ends of the piston rods of the two hydraulic cylinders (205) on the same side are commonly connected to a connecting piece two (207). The two connecting pieces two (207) on the left and right are correspondingly welded to the left and right ends of the placement strip (201). The removal mechanism (30) is arranged behind the liquid storage tank (101) and the vacuum cover (103) and is used to remove a group of battery cells (40) that have been fully soaked with electrolyte and vacuum charged, and in the process, squeeze out the excess electrolyte on these battery cells (40). The removal mechanism (30) includes a suspension plate (301), a hydraulic cylinder three (302), a movable plate (305), a removal member (306), a hydraulic cylinder four (307), a movable bar (309) and a push block (310). The suspension plate (301) is horizontally connected to the rear side of the liquid storage tank (101). The hydraulic cylinder three (302) is provided in a pair and is symmetrically distributed on the left and right. The hydraulic cylinders three (302) are both horizontally connected to the suspension plate forward through a fixing plate three (303). (301), the piston rod ends of the hydraulic cylinder three (302) are connected to the connecting piece three (304), the left and right ends of the movable plate (305) are correspondingly connected to the lower sides of the left and right connecting pieces three (304), a plurality of the taking-out members (306) are provided and evenly distributed below the movable plate (305), the taking-out member (306) comprises a limiting plate (3061), a limiting column (3062), a taking-out plate (3063) and a linkage block (3065), the limiting plate (3061) is a ∩-shaped structure and is installed on the lower side of the movable plate (305), the upper part of the limiting plate (3061) is symmetrically provided with rectangular limiting openings (3061a), the limiting column (3062) is provided with a pair of front and rear limiting openings (3061a), and the front and rear limiting openings (3061a) are symmetrically provided with rectangular limiting openings (3061a). The take-out plate (3063) is symmetrically connected to the lower part of the limit plate (3061) at the rear, and a pair of the take-out plates (3063) are arranged in parallel on the inner side of the limit plate (3061) on the left and right sides. The upper part of the take-out plate (3063) is slidably connected to the two limit posts (3062). The limit posts (3062) are each provided with a compression spring 1 (3064) between the two take-out plates (3063). The left and right ends of the compression spring 1 (3064) are respectively welded and fixed to the left and right take-out plates (3063). The linkage block (3065) is an isosceles trapezoidal wedge block and is slidably matched with the limit openings (3061a) on both sides. The linkage block (3065) is arranged on the inner side of the limit plate (3061) and its two inclined surfaces are pressed against the two take-out plates (3063). The upper edge of the plate (3063), the rear end of the linkage block (3065) is provided with a right-angled triangle linkage groove (3065a), a group of compression springs (3066) are evenly connected between the linkage block (3065) and the limit plate (3061), the hydraulic cylinder (307) is provided with a pair and is symmetrically distributed on the left and right, the hydraulic cylinder (307) is horizontally connected to the end of the movable plate (305) through the fixing plate (308), the left and right ends of the movable bar (309) are correspondingly connected to the piston rod ends of the two hydraulic cylinders (307), the pushing block (310) is a wedge-shaped block with a right-angled triangle structure, and a plurality of pushing blocks (310) are provided and evenly fixed on the front side of the movable bar (309).

2. The rapid formation device for lithium battery production according to claim 1, characterized in that: Above the suspension plate (301), there is a loading member (311). The loading member (311) includes a loading plate (3111) and clamping pieces (3112). The loading plate (3111) has a "U" - shaped structure and rectangular lifting and placing openings (3111a) are symmetrically arranged on its left and right sides. A number of clamping pieces (3112) are provided and are uniformly fixed on the upper side of the loading plate (3111). The cross - section of the clamping piece (3112) is of a "U" - shaped structure and its rear side is sealed. Sponge pieces (3113) are pasted on the inner surfaces of the clamping pieces (3112).

3. The rapid formation device for lithium battery production according to claim 2, characterized in that: At each corner of the loading plate (3111) of the suspension plate (301), an L - shaped positioning block (312) is installed.

Citation Information

Patent Citations

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