Cylinder-driven hot-pressing formation clamp

Abstract

The utility model provides a cylinder-driven hot-pressing formation clamp which is applied to vertical double-station soft package battery cylinder-driven hot-pressing formation amp. The clamp is applied to a power supply all-in-one machine and comprises a bottom plate, a supporting rod, a top plate, a cylinder driving assembly, a push plate upper laminate assembly, a spring mold frame lower laminate assembly, a probe height adjusting assembly and a pressure sensor assembly. The clamp has the beneficial effects that the clamp can be used for pressurizing and heating a plurality of single-layer battery cells at one time, the pressurizing precision is high, the parallelism of a pressing plate is high, and the production efficiency is high. The battery stress is more uniform than that of a conventional multi-layer hot-pressing formation machine, the influence of the pressure difference of multi-layer laminates is avoided, front and back feeding and discharging can be achieved, the feeding and discharging mode is convenient and rapid, the equipment is small and small, the occupied area is small, the device is suitable for being used in laboratories and scientific research institutes, the modularization universality is high, batch modularization layout is met, the structure is simple, and the stability is good.

Description

Technical Field

[0001] This utility model relates to the field of hot pressing formation fixture technology, and more particularly to a cylinder-driven hot pressing formation fixture applied to a vertical dual-station soft-pack battery cylinder-driven hot pressing formation & power supply integrated machine. Background Technology

[0002] In the manufacturing process of pouch lithium batteries, formation and hot pressing are crucial steps in battery molding. Formation activates the internal active components of the battery to ensure good charge-discharge performance and cycle life, while hot pressing ensures that the pouch lithium battery maintains good performance and a high-quality appearance. Due to its adaptability to various manufacturers' requirements, the cylinder mode offers a stable driving method with good pressure consistency and no need for segmented adjustments. The hot pressing formation fixture is an indispensable piece of equipment in the pouch battery production process; however, conventional hot pressing formation fixtures have a limited number of channels, impacting production efficiency.

[0003] Chinese patent CN107219817B discloses a cylinder-mode hot pressing and forming fixture system, including a frame, a hot pressing and forming fixture, a charging and discharging power supply, and a system control unit. The hot pressing and forming fixture is installed in the working area on the frame. The charging and discharging power supply and the system control unit are installed inside the frame. The power supply's output terminal is electrically connected to the power input terminal of the hot pressing and forming fixture and the power input terminal of the system control unit, respectively. The control terminal of the system control unit is electrically connected to the control terminal of the hot pressing and forming fixture. The hot pressing and forming fixture includes a drive cylinder assembly for providing linear reciprocating motion driving force, a support plate for supporting the drive cylinder assembly, and a detection... The system includes a pressure sensor for measuring the pressure generated by the heating plate, a pressure pusher plate, a guide shaft, multi-layer heating plates, and an adjustment assembly for adjusting the charging / discharging contact plate or contact probe. The drive cylinder assembly is mounted on the frame via a support plate, ensuring that the linear reciprocating motion trajectory of the drive end of the drive cylinder assembly is arranged horizontally. The pressure pusher plate is connected to the drive end of the drive cylinder assembly. Both ends of the guide shaft are mounted on the support plate, and the guide shaft is arranged along the linear reciprocating motion trajectory of the drive end of the drive cylinder assembly. The guide shaft is slidably connected to the heating plates arranged axially along its axis, and the heating plates are parallel to each other, forming a layered structure with gaps. The pressure... A push plate is installed at the end of the guide shaft near the drive cylinder assembly, and a pressure sensor is clamped between the pressure push plate and the drive end of the drive cylinder assembly; one or two lithium batteries are placed between two adjacent heating plates; the heating plate includes an aluminum plate, an electric heating element with a temperature sensor, an electrode connector, and a clamping element. The electric heating element is attached to the inner surface of the aluminum plate, the electrode connector is located on both sides of the aluminum plate, and the electrode connector is pressed against the slot surface of the aluminum plate. The clamping element is inserted into the slots on both sides of the aluminum plate to ensure tight contact between the probe, the electrode, and the charging / discharging power supply; the contact probe adjustment assembly includes an adjusting screw, an adjusting nut, and a connecting link. The system includes a connecting rod, an adjusting rod, and a linkage gear set. The connecting rod is mounted on the frame via a corresponding support base and is parallel to the guide shaft. Each connecting rod is connected to one end of a corresponding adjusting screw via a linkage gear set located at both ends. An adjusting nut is screwed onto the adjusting screw. An adjusting nut is fixed to each end of the connecting rod and screwed onto the adjusting screw on the same side. Several contact probes or charge / discharge contact plates, corresponding one-to-one with the heating pressure plate, are mounted along the adjusting screw's axial direction. The charging / discharging power supply includes a chassis and a variable-condition, independent, multi-channel lithium battery cycle power supply located within the chassis.The chassis houses a microcontroller circuit, a conversion rate driver board, a power supply, an auxiliary power supply, and a power switch. The power output of the conversion rate driver board is electrically connected to the power supply terminals of the multi-channel lithium battery cycle power supply, the power supply, and the auxiliary power supply via the microcontroller circuit. The power switch, located on the microcontroller circuit, controls the on / off state of the entire charging and discharging power supply. The system control unit is housed within the chassis. Its control board includes a PLC module, a heating temperature controller module, a smoke alarm module, a safety detection module, an information acquisition module, and a controller. The signal input terminals of the information acquisition module are connected to the signal output terminals of each pressure sensor and temperature sensor. The signal output terminals of the information acquisition module, the PLC module, the heating temperature controller module, the smoke alarm module, and the safety detection module are electrically connected to the signal input terminal of the controller; the power supply terminal of the controller is electrically connected to the power supply terminal of the formation rate drive board. This solution transforms the original formation method and high-temperature drying oven process into a system integrating pressurization, heating, formation, and data acquisition, improving production efficiency and ensuring battery consistency. The integrated design allows for arbitrary configuration of the number of thermal clamps to meet the process requirements of battery manufacturers, enabling automated production lines.

[0004] Chinese patent CN215771296U discloses a multi-channel hot-pressing formation fixture, which includes: a gearbox, a lead screw, a pressure plate, a shelf assembly, a servo motor assembly, and a pressure sensor assembly. The servo motor assembly is mounted on one side of the gearbox, and the other end is connected to a T-shaped lead screw. The two ends of the T-shaped lead screw are respectively connected to the gearbox and the pressure sensor assembly. The shelf assembly is disposed on the T-shaped lead screw, and the pressure plate is disposed on the T-shaped lead screw and at the front end of the shelf assembly. This multi-channel hot-pressing formation fixture can simultaneously meet the hot-pressing formation requirements of multiple channels for pouch batteries, effectively improving the efficiency of pouch battery hot-pressing formation. Summary of the Invention

[0005] The purpose of this utility model is to solve the above-mentioned technical problems by providing a novel cylinder-driven hot pressing fixture for vertical dual-station soft-pack battery cylinder-driven hot pressing and power supply integrated equipment. This fixture can pressurize and heat multiple cells in a single layer at one time, with high pressurization accuracy and high parallelism of the pressure plates. The battery is subjected to more uniform force than conventional multi-layer hot pressing machines and is not affected by the pressure difference of multi-layer plates. It can load and unload from both sides, making the loading and unloading process convenient and fast. The equipment is compact and occupies little space, making it suitable for use in laboratories and research institutes. It has strong modularity and versatility, meets the requirements of batch modular layout, and has a simple structure and good stability.

[0006] This utility model is achieved through the following technical solution:

[0007] A cylinder-driven hot pressing formation fixture is applied to a vertical dual-station soft-pack battery cylinder-driven hot pressing formation & power supply integrated machine. It includes a base plate, support rods, a top plate, a cylinder drive assembly, a push plate upper shelf assembly, a spring mold lower shelf assembly, a probe height adjustment assembly, and a pressure sensor assembly. Support rods are located at the four corners of the base plate, and a top plate is located at the top of each support rod. The cylinder drive assembly is located in the middle of the top plate. The push plate upper shelf assembly is located between the base plate and the top plate. The spring mold lower shelf assembly is located below the push plate upper shelf assembly. A pouch battery is disposed between the lower shelf assembly of the spring mold frame and the upper shelf assembly. A pressure sensor assembly is disposed below the lower shelf assembly of the spring mold frame. Probe height adjustment assemblies are disposed on the left and right sides of the upper shelf assembly of the push plate. The cylinder drive assembly drives the upper shelf assembly of the push plate to apply pressure downward. The upper shelf assembly of the push plate applies pressure to the pouch battery on the lower shelf assembly of the spring mold frame. After applying pressure, the lower shelf assembly of the spring mold frame applies pressure to the pressure sensor assembly, and the pressure sensor assembly performs a force test on the pouch battery.

[0008] As a further step, the top plate has a through hole in the middle, probe adjustment grooves are provided on both sides of the top plate, probe adjustment grooves are provided on both sides of the bottom of the bottom plate, and a scale is provided on one side of the probe adjustment groove.

[0009] As a further step, the cylinder drive assembly includes a cylinder, a cylinder connecting rod, a cylinder mounting base, a cylinder connector, and a cylinder connecting plate. The cylinder mounting base is installed on the top of the top plate, and a cylinder mounting hole is provided in the middle of the cylinder mounting base. The cylinder is installed on the cylinder mounting base. One end of the cylinder connecting rod is connected to the cylinder, and the other end of the cylinder connecting rod passes through the through hole in the middle of the top plate and is connected to the cylinder connector. The cylinder connector is embedded in the cylinder connecting plate, and the cylinder connecting plate is fixed on the upper layer assembly of the push plate.

[0010] As a further step, the upper push plate assembly includes a front push plate, a front heat insulation plate, an upper push plate, a front push plate upper lug, a front push plate lower lug, a first layer plate support rod, a second layer plate support rod, a third layer plate support rod, a fourth layer plate support rod, a PCB board component, a battery guide block, a linear shaft, and a buffer. The first and second layer plate support rods are installed between the front end of the bottom plate and the front end of the top plate, and the third and fourth layer plate support rods are installed between the rear end of the bottom plate and the rear end of the top plate. The front push plate has upper push plate lugs on both sides of its front end, and these upper push plate lugs are respectively installed on the first and fourth layer plate support rods. The upper part of the first and second layer support rods is fixed to the upper lugs of the front push plate by a linear shaft. The lower lugs of the front push plate are provided on both sides of the rear end of the front push plate. The lower lugs of the front push plate on both sides of the rear end of the front push plate are respectively installed on the lower parts of the third and fourth layer support rods and fixed to both sides of the front end of the front push plate by a linear shaft. A front heat insulation plate is provided below the front push plate. An upper push plate is provided below the front heat insulation plate. A PCB board component is provided at the bottom of the upper push plate. Several battery guide blocks are provided on the outer side wall of the front end of the upper push plate. A buffer is provided on the upper lug of the front push plate at the front end of the front push plate.

[0011] As a further step, the PCB board component includes a left PCB board, a left PCB mounting slider, a heating film, a right PCB board, a right PCB mounting slider, and PCB board mounting ears. The bottom sides of the upper layer of the pusher plate are respectively provided with a left PCB board and a right PCB board. The left PCB board is provided with a left PCB mounting slider, and the right PCB board is provided with a right PCB mounting slider. A heating film is provided between the left PCB board and the right PCB board. The heating film is installed at the bottom of the upper layer of the pusher plate. The PCB board mounting ears are connected to the upper layer of the pusher plate through mounting ear connectors. The PCB board mounting ears are respectively installed at the middle of the front end of the first layer support rod and the second layer support rod.

[0012] As a further step, the lower layer plate assembly of the spring mold frame includes a spring push plate, a spring middle plate, a spring layer plate, a spring heating film, a spring mold frame component, a spring linear bearing spacer, a spring middle plate lug, and a spring layer plate lug. The front end of the spring push plate is connected to the lower part of the first layer plate support rod and the second layer plate support rod respectively through the spring linear bearing spacer. The rear end of the spring push plate is connected to the lower part of the third layer plate support rod and the fourth layer plate support rod respectively through the spring linear bearing spacer. A spring middle plate is provided above the spring push plate, a spring layer plate is provided above the spring middle plate, a spring heating film is provided above the spring layer plate, protrusions are provided on the outer side walls of both sides of the spring layer plate, and spring mold frame mounting grooves are provided on both sides of the upper surface of the spring layer plate. The spring mold frame component is embedded in... The spring mold frame components clamp the spring heating film within the spring mold frame mounting slots on both sides of the upper surface of the spring layer plate. The protrusions on the outer side walls of both sides of the spring layer plate are embedded in the left PCB mounting slider and the right PCB mounting slider. The front ends of the spring layer plate are provided with spring layer plate hanging ears, which are respectively installed on the lower parts of the first layer plate support rod and the second layer plate support rod, and fixed to the front ends of the spring layer plate by linear bearing spacers. The rear ends of the spring middle plate are provided with spring middle plate hanging ears, which are respectively installed on the lower parts of the third layer plate support rod and the fourth layer plate support rod, and fixed to the rear ends of the spring middle plate by linear bearing spacers.

[0013] As a further step, the probe height adjustment assembly includes an adjustment beam, an upper lead screw device, and a lower lead screw device. One end of the adjustment beam passes through the probe adjustment groove of the top plate and is connected to the upper lead screw device, while the other end of the adjustment beam passes through the probe adjustment groove at the bottom of the base plate and is connected to the lower lead screw device.

[0014] As a further step, the upper and lower lead screw devices include a lead screw nut, a lead screw, a first bearing seat, a second bearing seat, an angular contact ball bearing, a bearing, an adjusting wrench, a first retaining ring, and a second retaining ring. The lead screw nut has a crossbeam groove at its right end and a lead screw through hole at its left end. The top of the adjusting crossbeam is inserted into the crossbeam groove at the right end of the lead screw nut and locked to the lead screw nut with screws. The lead screw nut locks the top of the adjusting crossbeam to both sides of the top plate, and the adjusting crossbeam drives the lead screw nut to move left and right within the probe adjusting groove of the top or bottom plate. One end of the lead screw passes through the lead screw through hole at the left end of the lead screw nut and the first bearing seat, and is connected to the adjusting wrench. The first bearing housing is installed on the other side of the top of the top plate, and one end of the lead screw is locked in the first bearing housing by the bearing. A second retaining ring is provided between the bearing and the first bearing housing. The second retaining ring is fitted on one end of the lead screw. The other end of the lead screw is connected to the second bearing housing. The second bearing housing is installed on one side of the top of the top plate, and the other end of the lead screw is locked in the second bearing housing by an angular contact ball bearing. A first retaining ring is provided between the angular contact ball bearing and the second bearing housing. The first retaining ring is fitted on the other end of the lead screw. A scale needle is provided on the outer wall of the lead screw nut. The scale needle on the outer wall of the lead screw nut is aligned with the scale on both sides of the top plate or the bottom plate.

[0015] As a further step, the lead screw nut is a small T-type lead screw nut, and the lead screw is a small T-type lead screw.

[0016] As a further step, the pressure sensor assembly includes a pressure sensor mounting plate, a pressure sensor, and a sensor pressure block. The pressure sensor mounting plate is installed in the middle of the base plate, and a pressure sensor is provided on the pressure sensor. The pressure block is located at the bottom of the middle part of the spring push plate.

[0017] The beneficial effects of this utility model are as follows: the fixture can pressurize and heat multiple cells in a single layer at one time, with high pressurization accuracy and high parallelism of the pressure plates. The battery is subjected to more uniform force than conventional multi-layer hot pressing formation machines, and is not affected by the pressure difference of multi-layer plates. It can load and unload materials from both sides, and the loading and unloading method is convenient and fast. The equipment is compact and occupies little space, making it suitable for use in laboratories and research institutes. It has strong modularity and versatility, meets the requirements of batch modular layout, and has a simple structure and good stability. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the cylinder-driven hot pressing and forming fixture structure of this utility model;

[0019] Figure 2 This is a schematic diagram of the exploded structure of the cylinder-driven hot pressing and forming fixture of this utility model;

[0020] Figure 3 This is a schematic diagram of the cylinder drive assembly structure of this utility model;

[0021] Figure 4 This is an exploded structural diagram of the cylinder drive assembly of this utility model;

[0022] Figure 5 This is a schematic diagram of the upper shelf assembly of the push plate of this utility model;

[0023] Figure 6 This is an exploded view of the upper shelf assembly of the push plate of this utility model;

[0024] Figure 7 This is a schematic diagram of the PCB board component structure of this utility model;

[0025] Figure 8 This is an exploded view of the PCB board component of this utility model;

[0026] Figure 9 This is a schematic diagram of the lower layer plate assembly of the spring mold frame of this utility model;

[0027] Figure 10 This is an exploded structural diagram of the lower layer plate assembly of the spring mold frame of this utility model;

[0028] Figure 11 This is a schematic diagram of the probe height adjustment component of this utility model;

[0029] Figure 12 This is an exploded view of the probe height adjustment component of this utility model;

[0030] Figure 13 This is a schematic diagram of the upper and lower lead screw devices of this utility model.

[0031] Figure 14 This is an exploded structural diagram of the upper and lower lead screw devices of this utility model.

[0032] Figure 15 This is a schematic diagram of the pressure sensor assembly structure of this utility model;

[0033] Figure 16 This is a schematic diagram of the exploded structure of the pressure sensor assembly of this utility model;

[0034] Reference numerals: 1. Base plate; 2. Support rod; 3. Top plate; 31. Probe adjustment groove; 32. Scale; 4. Cylinder drive assembly; 41. Cylinder; 42. Cylinder connecting rod; 43. Cylinder mounting base; 44. Cylinder connector; 45. Cylinder connecting plate; 5. Upper shelf assembly of push plate; 501. Front push plate; 502. Front heat insulation plate; 503. Upper shelf of push plate; 504. Upper hanging ear of front push plate; 505. Lower hanging ear of front push plate; 506. First layer support rod; 507. Second layer support rod; 508. Third layer support rod; 509. Fourth layer support rod; 510. PCB board component; 5101. Left PCB board; 5102. Left PCB mounting slider; 5103. Heating film; 5104. Right PCB board; 5105. Right PCB mounting slider; 5106. PCB board mounting lug; 511. Battery guide block; 512. Linear shaft; 513. Buffer; 6. Lower layer assembly of spring mold frame; 601. Spring push plate; 602. Spring middle plate; 603. Spring layer plate; 604. Spring heating film; 605. Spring mold frame component; 606. Spring linear bearing spacer; 607. Spring middle plate mounting lug; 608. Spring layer plate mounting lug; 7. Probe height adjustment assembly; 71. Adjusting beam; 72. Upper lead screw device; 720. Lead screw nut; 7201. Engraving 7202, Crossbeam groove; 7203, Lead screw through hole; 721, Lead screw; 722, First bearing seat; 723, Second bearing seat; 724, Angular contact ball bearing; 725, Bearing; 726, Adjusting wrench; 727, First retaining ring; 728, Second retaining ring; 73, Lower lead screw assembly; 8, Pressure sensor assembly; 81, Pressure sensor mounting plate; 82, Pressure sensor; 83, Sensor pressure block; 9, Soft-pack battery. Detailed Implementation

[0035] The present invention will be further described below with reference to the accompanying drawings and specific embodiments:

[0036] Unless otherwise defined, 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 application belongs; the terminology used herein in the specification of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having," and any variations thereof, in the specification, claims, and foregoing drawings of this application are intended to cover non-exclusive inclusion. The terms "first," "second," etc., in the specification, claims, or foregoing drawings of this application are used to distinguish different objects, not to describe a particular order.

[0037] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0038] For reference Figures 1-16 As shown, a cylinder-driven hot pressing forming fixture, applied to a multi-channel vertical hot pressing forming equipment, includes a base plate 1, support rods 2, a top plate 3, a cylinder drive assembly 4, a pusher plate upper layer assembly 5, a spring mold frame lower layer assembly 6, a probe height adjustment assembly 7, and a pressure sensor assembly 8. Support rods 2 are located at the four corners of the base plate 1, and a top plate 3 is located at the top of the support rods 2. The cylinder drive assembly 4 is located in the middle of the top plate 3. The pusher plate upper layer assembly 5 is located between the base plate 1 and the top plate 3. The spring mold frame lower layer assembly 6 is located below the pusher plate upper layer assembly 5. The pusher plate upper layer assembly 5 and the... A soft-pack battery 9 is provided between the lower shelf assembly 6 of the spring mold frame. A pressure sensor assembly 8 is provided below the lower shelf assembly 6 of the spring mold frame. Probe height adjustment assemblies 7 are provided on the left and right sides of the upper shelf assembly 5 of the push plate. The cylinder drive assembly 4 drives the upper shelf assembly 5 of the push plate to apply pressure downward. The upper shelf assembly 5 of the push plate applies pressure to the soft-pack battery 9 on the lower shelf assembly 6 of the spring mold frame. The lower shelf assembly 6 of the spring mold frame applies pressure downward. After applying pressure, the lower shelf assembly 6 of the spring mold frame applies pressure to the pressure sensor assembly 8, and the pressure sensor assembly 8 performs a force test on the soft-pack battery 9.

[0039] Preferably, the top plate 3 has a through hole in the middle, and probe adjustment grooves 31 are provided on both sides of the top plate 3. The bottom plate 1 has probe adjustment grooves on both sides of the bottom, and a scale 32 is provided on one side of the probe adjustment groove.

[0040] Preferably, the cylinder drive assembly 4 includes a cylinder 41, a cylinder connecting rod 42, a cylinder mounting base 43, a cylinder connector 44, and a cylinder connecting plate 45. The cylinder mounting base 43 is mounted on the top of the top plate 3, and a cylinder mounting hole is provided in the middle of the cylinder mounting base 43. The cylinder 41 is mounted on the cylinder mounting base 43. One end of the cylinder connecting rod 42 is connected to the cylinder 41, and the other end of the cylinder connecting rod 42 passes through the through hole in the middle of the top plate 3 and is connected to the cylinder connector 44. The cylinder connector 44 is embedded in the cylinder connecting plate 45, and the cylinder connecting plate 45 is fixed on the upper layer assembly 5 of the push plate.

[0041] Preferably, the upper push plate assembly 5 includes a front push plate 501, a front heat insulation plate 502, an upper push plate 503, an upper front push plate lug 504, a lower front push plate lug 505, a first layer plate support rod 506, a second layer plate support rod 507, a third layer plate support rod 508, a fourth layer plate support rod 509, a PCB board component 510, a battery guide block 511, a linear shaft 512, and a buffer 513. The first layer plate support rod 506 and the second layer plate support rod 507 are installed between the front end of the bottom plate 1 and the front end of the top plate 3, and the third layer plate support rod 508 and the fourth layer plate support rod 509 are installed between the rear end of the bottom plate 1 and the rear end of the top plate 3. The upper front push plate lug 504 is provided on both sides of the front end of the front push plate 501, and the upper front push plate lug 504 on both sides of the front end of the front push plate 501 are respectively installed on the first layer plate support rod 506, the second layer plate support rod 507, the third layer plate support rod 508, and the fourth layer plate support rod 509 ... The upper part of the shelf support rod 506 and the second shelf support rod 507 are fixed to the upper lug 504 of the front push plate by a linear shaft 512. The lower lug 505 of the front push plate is provided on both sides of the rear end of the front push plate 501. The lower lug 505 of the front push plate on both sides of the rear end of the front push plate 501 is respectively installed on the lower part of the third shelf support rod 508 and the fourth shelf support rod 509, and is fixed to both sides of the front end of the front push plate 501 by a linear shaft 512. The front heat insulation plate 502 is provided below the front push plate 501. The upper shelf 503 of the push plate is provided below the front heat insulation plate 502. The bottom of the upper shelf 503 of the push plate is provided with a PCB board component 510. Several battery guide blocks 511 are provided on the outer side wall of the front end of the upper shelf 503 of the push plate. The upper lug 504 of the front push plate at the front end of the front push plate 501 is provided with a buffer 513.

[0042] Preferably, the PCB board component 510 includes a left PCB board 5101, a left PCB mounting slider 5102, a heating film 5103, a right PCB board 5104, a right PCB mounting slider 5105, and a PCB board mounting ear 5106. The left PCB board 5101 and the right PCB board 5104 are respectively provided on the bottom sides of the upper shelf 503 of the push plate. The left PCB board 5101 is provided with a left PCB mounting slider 5102, and the right PCB board 5104 is provided with a right PCB mounting slider 5105. A heating film 5103 is provided between the left PCB board 5101 and the right PCB board 5104. The heating film 5103 is installed at the bottom of the upper shelf 503 of the push plate. The PCB board mounting ear 5106 is connected to the upper shelf 503 of the push plate through a mounting ear connector. The PCB board mounting ear 5106 is respectively installed at the middle of the front end of the first shelf support rod 506 and the second shelf support rod 507.

[0043] Preferably, the lower layer plate assembly 6 of the spring mold frame includes a spring push plate 601, a spring middle plate 602, a spring layer plate 603, a spring heating film 604, a spring mold frame component 605, a spring linear bearing spacer 606, a spring middle plate hanging lug 607, and a spring layer plate hanging lug 608. The front end of the spring push plate 601 is connected to the lower part of the first layer plate support rod 506 and the second layer plate support rod 507 respectively through the spring linear bearing spacer 606. The rear end of the spring push plate 601 is connected to the lower part of the third layer plate support rod 508 and the fourth layer plate support rod 509 respectively through the spring linear bearing spacer 606. The spring middle plate 602 is provided above the spring push plate 601, and the spring layer plate 603 is provided above the spring middle plate 602. The spring heating film 604 is provided above the spring layer plate 603. The outer side walls of both sides of the spring layer plate 603 are provided with protrusions, and the upper surface of the spring layer plate 603 is provided with spring mold frame mounting grooves on both sides. The spring mold frame component 6... 05 is embedded in the spring mold frame mounting grooves on both sides of the upper surface of the spring layer plate 603. The spring mold frame component 605 clamps the spring heating film 604. The protrusions on the outer side walls of both sides of the spring layer plate 603 are embedded in the left PCB mounting slider 5102 and the right PCB mounting slider 5105. The front end of the spring layer plate 603 is provided with spring layer plate hanging ears 608. The spring layer plate hanging ears 608 on both sides of the front end of the spring layer plate 603 are respectively installed at the lower part of the first layer plate support rod 506 and the second layer plate support rod 507, and are fixed on both sides of the front end of the spring layer plate 603 by linear bearing spacers 606. The rear end of the spring middle plate 602 is provided with spring middle plate hanging ears 607. The spring middle plate hanging ears 607 on both sides of the rear end of the spring middle plate 602 are respectively installed at the lower part of the third layer plate support rod 508 and the fourth layer plate support rod 509, and are fixed on both sides of the rear end of the spring middle plate 602 by linear bearing spacers 606.

[0044] Preferably, the probe height adjustment assembly 7 includes an adjustment beam 71, an upper lead screw device 72, and a lower lead screw device 73. One end of the adjustment beam 71 passes through the probe adjustment groove 31 of the top plate 3 and is connected to the upper lead screw device 72, and the other end of the adjustment beam 71 passes through the probe adjustment groove at the bottom of the bottom plate 1 and is connected to the lower lead screw device 73.

[0045] Preferably, the upper lead screw assembly 72 and the lower lead screw assembly 73 include a lead screw nut 720, a lead screw 721, a first bearing seat 722, a second bearing seat 723, an angular contact ball bearing 724, a bearing 725, an adjusting wrench 726, a first retaining ring 727, and a second retaining ring 728. The right end of the lead screw nut 720 is provided with a crossbeam groove 7202, and the left end of the lead screw nut 720 is provided with a lead screw through hole 7203. The top of the adjusting crossbeam 71 is inserted into the lead screw... The lead screw 721 is located in the crossbeam groove 7202 at the right end of the lead screw nut 720 and is locked onto the lead screw nut 720 by screws. The lead screw nut 720 locks the top of the adjusting crossbeam 71 onto both sides of the top plate 3, and the adjusting crossbeam 71 drives the lead screw nut 720 to move left and right in the probe adjusting groove 31 of the top plate 3 or the bottom plate 1. One end of the lead screw 721 passes through the lead screw through hole 7203 at the left end of the lead screw nut 720 and the first bearing seat 722 and the adjusting wrench 726. The first bearing housing 722 is installed on the other side of the top of the top plate 3, and one end of the lead screw 721 is locked in the first bearing housing 722 by the bearing 725. A second retaining ring 728 is provided between the bearing 725 and the first bearing housing 722. The second retaining ring 728 is fitted on one end of the lead screw 721. The other end of the lead screw 721 is connected to the second bearing housing 723. The second bearing housing 723 is installed on one side of the top of the top plate 3, and the other end of the lead screw 721 is locked in the second bearing housing 723 by the angular contact ball bearing 724. A first retaining ring 727 is provided between the angular contact ball bearing 724 and the second bearing housing 723. The first retaining ring 727 is fitted on the other end of the lead screw 721. A scale needle 7201 is provided on the outer wall of the lead screw nut 720. The scale needle 7201 on the outer wall of the lead screw nut 720 is aligned with the scale 32 on both sides of the top plate 3 or the bottom plate 1.

[0046] Preferably, the lead screw nut 720 is a small T-shaped lead screw nut, and the lead screw 721 is a small T-shaped lead screw.

[0047] Preferably, the pressure sensor assembly 8 includes a pressure sensor mounting plate 81, a pressure sensor 82, and a sensor block 83. The pressure sensor mounting plate 81 is mounted in the middle of the base plate 1. The pressure sensor 82 is mounted on the pressure sensor mounting plate 81, and the sensor block 83 is mounted on the pressure sensor 82. The sensor block 83 is located at the bottom of the middle part of the spring push plate 601.

[0048] Based on the disclosure and teachings of the above specification, those skilled in the art can make appropriate changes and modifications to the above embodiments. Therefore, this utility model is not limited to the specific embodiments disclosed and described above, and some modifications and changes to this utility model should also fall within the protection scope of the claims of this utility model. Furthermore, although some specific terms are used in this specification, these terms are only for convenience of explanation and do not constitute any limitation on this utility model.

Claims

1. A cylinder-driven hot pressing formation fixture, applied to a vertical dual-station soft-pack battery cylinder-driven hot pressing formation & power supply integrated machine, characterized in that: The device includes a base plate, support rods, a top plate, a cylinder drive assembly, an upper push plate assembly, a lower spring mold frame assembly, a probe height adjustment assembly, and a pressure sensor assembly. Support rods are located at the four corners of the base plate, and a top plate is located on top of each support rod. The cylinder drive assembly is located in the center of the top plate. The upper push plate assembly is located between the base plate and the top plate. The lower spring mold frame assembly is located below the upper push plate assembly. A pouch battery is located between the upper push plate assembly and the lower spring mold frame assembly. A pressure sensor assembly is located below the lower spring mold frame assembly. Probe height adjustment assemblies are located on the left and right sides of the upper push plate assembly. The cylinder drive assembly drives the upper push plate assembly to apply downward pressure. The upper push plate assembly presses the pouch battery onto the lower spring mold frame assembly. The lower spring mold frame assembly then applies downward pressure, and subsequently, the lower spring mold frame assembly applies pressure to the pressure sensor assembly, which performs a stress test on the pouch battery.

2. The cylinder-driven hot press formation jig according to claim 1, characterized by: The top plate has a through hole in the middle, and probe adjustment grooves are provided on both sides of the top plate. The bottom plate has probe adjustment grooves on both sides of the bottom, and a scale is provided on one side of the probe adjustment groove.

3. The cylinder-driven hot press formation jig according to claim 2, characterized by: The cylinder drive assembly includes a cylinder, a cylinder connecting rod, a cylinder mounting base, a cylinder connector, and a cylinder connecting plate. The cylinder mounting base is installed on the top of the top plate, and a cylinder mounting hole is provided in the middle of the cylinder mounting base. The cylinder is installed on the cylinder mounting base. One end of the cylinder connecting rod is connected to the cylinder, and the other end of the cylinder connecting rod passes through the through hole in the middle of the top plate and is connected to the cylinder connector. The cylinder connector is embedded in the cylinder connecting plate, and the cylinder connecting plate is fixed on the upper layer assembly of the push plate.

4. The cylinder-driven hot press formation jig of claim 1, wherein: The upper push plate assembly includes a front push plate, a front heat insulation plate, an upper push plate, upper front push plate lugs, lower front push plate lugs, a first layer support rod, a second layer support rod, a third layer support rod, a fourth layer support rod, a PCB board component, a battery guide block, a linear shaft, and a buffer. The first and second layer support rods are installed between the front end of the bottom plate and the front end of the top plate, and the third and fourth layer support rods are installed between the rear end of the bottom plate and the rear end of the top plate. Upper front push plate lugs are provided on both sides of the front end of the front push plate, and these lugs are respectively installed on the first layer plate. The support rod and the upper part of the second layer plate support rod are fixed to the upper lug of the front push plate by a linear shaft. The lower lug of the front push plate is provided on both sides of the rear end of the front push plate. The lower lug of the front push plate on both sides of the rear end of the front push plate is respectively installed on the lower parts of the third layer plate support rod and the fourth layer plate support rod, and is fixed to both sides of the front end of the front push plate by a linear shaft. A front heat insulation plate is provided below the front push plate. An upper push plate is provided below the front heat insulation plate. A PCB board component is provided at the bottom of the upper push plate. Several battery guide blocks are provided on the outer side wall of the front end of the upper push plate. A buffer is provided on the upper lug of the front push plate at the front end of the front push plate.

5. The cylinder-driven hot press formation jig of claim 4, wherein: The PCB board component includes a left PCB board, a left PCB mounting slider, a heating film, a right PCB board, a right PCB mounting slider, and PCB board mounting ears. The bottom sides of the upper layer of the pusher plate are respectively provided with a left PCB board and a right PCB board. The left PCB board is provided with a left PCB mounting slider, and the right PCB board is provided with a right PCB mounting slider. A heating film is provided between the left PCB board and the right PCB board. The heating film is installed at the bottom of the upper layer of the pusher plate. The PCB board mounting ears are connected to the upper layer of the pusher plate through mounting ear connectors. The PCB board mounting ears are respectively installed at the middle of the front end of the first layer support rod and the second layer support rod.

6. The cylinder-driven hot press formation jig of claim 5, wherein: The lower layer assembly of the spring mold frame includes a spring push plate, a spring middle plate, a spring layer plate, a spring heating film, a spring mold frame component, a spring linear bearing spacer, a spring middle plate mounting lug, and a spring layer plate mounting lug. The front end of the spring push plate is connected to the lower parts of the first and second layer plate support rods via the spring linear bearing spacer. The rear end of the spring push plate is connected to the lower parts of the third and fourth layer plate support rods via the spring linear bearing spacer. A spring middle plate is located above the spring push plate, and a spring layer plate is located above the spring middle plate. A spring heating film is located above the spring layer plate. Protrusions are provided on the outer side walls of both sides of the spring layer plate. Spring mold frame mounting grooves are provided on both sides of the upper surface of the spring layer plate. The spring mold frame component is embedded in the spring push plate. The spring mold frame components clamp the spring heating film within the spring mold frame mounting slots on both sides of the upper surface of the spring layer plate. The protrusions on the outer side walls of both sides of the spring layer plate are embedded in the left PCB mounting slider and the right PCB mounting slider. The front ends of the spring layer plate are provided with spring layer plate hanging ears, which are respectively installed on the lower parts of the first layer plate support rod and the second layer plate support rod, and fixed to the front ends of the spring layer plate by linear bearing spacers. The rear ends of the spring middle plate are provided with spring middle plate hanging ears, which are respectively installed on the lower parts of the third layer plate support rod and the fourth layer plate support rod, and fixed to the rear ends of the spring middle plate by linear bearing spacers.

7. The cylinder-driven hot press trusion forming jig according to claim 2, characterized by: The probe height adjustment assembly includes an adjustment beam, an upper lead screw device, and a lower lead screw device. One end of the adjustment beam passes through the probe adjustment groove of the top plate and is connected to the upper lead screw device, while the other end of the adjustment beam passes through the probe adjustment groove at the bottom of the base plate and is connected to the lower lead screw device.

8. The cylinder-driven hot press formation jig of claim 7, wherein: The upper and lower lead screw assemblies include a lead screw nut, a lead screw, a first bearing seat, a second bearing seat, an angular contact ball bearing, a bearing, an adjusting wrench, a first retaining ring, and a second retaining ring. The lead screw nut has a crossbeam groove at its right end and a lead screw through hole at its left end. The top of the adjusting crossbeam is inserted into the crossbeam groove at the right end of the lead screw nut and locked onto the lead screw nut with screws. The lead screw nut locks the top of the adjusting crossbeam onto both sides of the top plate, and the adjusting crossbeam drives the lead screw nut to move left and right within the probe adjusting groove of the top or bottom plate. One end of the lead screw passes through the lead screw through hole at the left end of the lead screw nut and the first bearing seat, connecting to the adjusting wrench. A bearing housing is installed on the other side of the top of the top plate, and one end of the lead screw is locked in the first bearing housing by the bearing. A second retaining ring is provided between the bearing and the first bearing housing. The second retaining ring is fitted on one end of the lead screw. The other end of the lead screw is connected to the second bearing housing. The second bearing housing is installed on one side of the top of the top plate, and the other end of the lead screw is locked in the second bearing housing by an angular contact ball bearing. A first retaining ring is provided between the angular contact ball bearing and the second bearing housing. The first retaining ring is fitted on the other end of the lead screw. A scale needle is provided on the outer wall of the lead screw nut. The scale needle on the outer wall of the lead screw nut is aligned with the scale on both sides of the top plate or bottom plate.

9. The cylinder-driven hot press formation jig of claim 8, wherein: The lead screw nut is a small T-type lead screw nut, and the lead screw is a small T-type lead screw.

10. The cylinder-driven hot press formation jig of claim 1, wherein: The pressure sensor assembly includes a pressure sensor mounting plate, a pressure sensor, and a sensor pressure block. The pressure sensor mounting plate is installed in the middle of the base plate, and a pressure sensor is provided on the pressure sensor. The pressure block is located at the bottom of the middle part of the spring push plate.

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