Vertical pressurizing formation cabinet

Abstract

The utility model discloses a vertical pressurizing formation cabinet, which comprises a hot-pressing clamp main frame, a steel wire rope guide device, a tension spring counterweight device and a laminate module, a plurality of groups of mounting laminates are arranged on two sides of the hot-pressing clamp main frame, and the laminate module is arranged between one group of mounting laminates. The tension spring counterweight devices are connected to the lower portions of the steel wire rope guiding devices, the two steel wire rope guiding devices and the tension spring counterweight devices are installed on the two sides of the hot-pressing clamp main frame, the steel wire rope guiding devices are provided with a plurality of steel wire ropes, and the two sides of each installation layer plate are each connected with one steel wire rope. And one end, far away from the mounting layer plate, of the steel wire rope is connected with a tension spring counterweight device. The vertical hot-pressing formation cabinet disclosed by the utility model adopts a tension spring mode to balance weight, is simple in structure, low in cost and convenient to operate and debug, and can effectively avoid the influence of the dead weight of the mounting laminate on the burn-in board module.

Description

Technical Field

[0001] The utility model relates to the technical field of battery production, in particular to a vertical pressurized forming cabinet. Background Art

[0002] The formation process of lithium battery production process is an important step in determining the quality of lithium battery. The formation process of lithium battery is mainly completed in the formation cabinet. The existing formation fixture is provided with several heating layers from bottom to top. Each layer of heating layer is clamped with several battery capacity formation and aging plates. When forming, it is necessary to squeeze all the heating layers in one direction to realize applying pressure to the battery. Since the heating layers are heavy and heavy, the heating layers located at the lower layer will bear the weight of the upper layer heating layers. Therefore, the pressure on each layer of heating layers is inconsistent, and the battery capacity formation and aging plates located on the lower layer will bear the larger pressure from the upper layer, affecting the battery quality after formation and ultimately affecting the performance of the battery. Although there is also a scheme in the prior art of adopting a plurality of corresponding tension blocks to configure the corresponding layers to offset the deadweight of the layers, the existing counterweight method is too complicated in structure and very inconvenient to install and maintain. The tension blocks also make the formation cabinet too heavy. The formation cabinet needs to increase the strength to support it, which is troublesome to transport and has a high load-bearing requirement for the factory building and is also costly.

[0003] Therefore, it is necessary to provide a vertical pressurized forming cabinet to solve the above problems. Utility Model Content

[0004] In order to overcome the shortcomings of the existing technology, the utility model provides a vertical pressurized forming cabinet, which uses a tension spring for counterweight, has a simple structure and low cost, is convenient for operation and debugging, and can effectively avoid the influence of the deadweight of the layer module on the pressurization process of the battery cell.

[0005] The technical solution adopted by the utility model to solve its technical problems is:

[0006] A vertical pressurized chemical forming cabinet includes a hot pressing fixture main frame, a wire rope guide device, a tension spring counterweight device and a layer plate module. Multiple groups of mounting layers are arranged on both sides of the hot pressing fixture main frame, and the layer plate module is arranged between a group of mounting layers. The tension spring counterweight device is connected below the wire rope guide device, and two groups of wire rope guide devices and tension spring counterweight devices are installed on both sides of the hot pressing fixture main frame. The wire rope guide device is provided with a plurality of steel ropes, and each mounting layer plate is connected to a steel rope on both sides, and the end of the steel rope away from the mounting layer plate is connected to the tension spring counterweight device.

[0007] As a preferred technical solution of the present invention, each of the mounting plates is further provided with a mounting hole and a hook support, several of the mounting holes are arranged in rows at intervals, the hook support is connected to the mounting holes, and several of the hook support are arranged in an inverted V shape on the sides of multiple groups of mounting plates, hooks are provided at both ends of the wire rope, and the hook at one end of the wire rope is hooked to the hook support.

[0008] As a preferred technical solution of the present invention, the wire rope guide device is also provided with a pulley assembly and an installation connector. The pulley assembly is fixed to the main frame of the hot pressing fixture through the installation connector, and the wire rope is correspondingly wound around the pulley assembly, and the hook at the other end of the wire rope is hooked with the tension spring counterweight device.

[0009] As an optimal technical solution of the present invention, the pulley assembly is provided with a first pulley group, a second pulley group and a third pulley group. The first pulley group and the second pulley group are arranged side by side laterally, and a part of the wire rope is passed around the first pulley group and the second pulley group at the same time. The third pulley group and the first pulley group are arranged side by side longitudinally, and another part of the wire rope is passed around the third pulley group alone.

[0010] As a preferred technical solution of the present invention, the first pulley group, the second pulley group and the third pulley group are all provided with mounting shafts and pulleys, and multiple pulleys are sleeved on the mounting shafts at intervals. The pulleys on the first pulley group and the second pulley group are in the same vertical plane, and the pulleys on the third pulley group are staggered with the pulleys on the first pulley group.

[0011] As an optimal technical solution of the present invention, the mounting connector is provided with an upper clamping block and a lower clamping block, and the upper clamping block and the lower clamping block are provided with two matching semicircular grooves, the upper clamping block and the lower clamping block clamp the mounting shafts of the first hanging pulley group and the second hanging pulley group up and down through the semicircular grooves, and the upper clamping block is connected to the main frame of the hot pressing fixture.

[0012] As an optimal technical solution of the present invention, the tension spring counterweight device is provided with a limit support seat, a tension spring and a tensioning block. The limit support seat is composed of two arch frames fixed together, which correspond to the hanging wheel assembly. The arch frame is composed of two support columns connected to the end of the beam. Two fixed blocks extend outward on both sides of the bottom of the hot pressing fixture main frame. The limit support seat is connected across the two fixed blocks. The upper end of the tensioning block passes through the limit support seat and is hooked with the lower end of the tension spring. The upper end of the tension spring is hooked with the steel wire rope.

[0013] As an optimal technical solution of the present invention, the hot pressing fixture main frame includes a pressure plate and two groups of guide rods, the pressure plate is slidably connected to the two groups of guide rods, and a screw mechanism is also provided on the hot pressing fixture main frame, which is used to drive the pressure plate to move along the guide rods, and the mounting layer is slidably connected to the guide rods, and the mounting layer is located below the pressure plate.

[0014] As an optimal technical solution of the present invention, the multiple groups of mounting plates on the two groups of guide rods are symmetrically arranged in pairs, and a guide hole is provided in the middle of the mounting plate, a sliding member is provided in the guide hole, and the guide rod is inserted into the sliding member.

[0015] As a preferred technical solution of the present invention, a clamping groove is provided on the inner side of the installation layer plate, and the side end of the layer plate module is clamped in the clamping groove.

[0016] The beneficial effects of the utility model are:

[0017] The utility model simplifies the complexity of the existing counterweight structure by adopting a tension spring as the counterweight, reduces the weight of the formation cabinet by 100 to 700 kg (the heavier the aging board module, the more weight is reduced), reduces the load-bearing pressure of the plant, is convenient to install and transport, and greatly reduces the production cost. The mounting plate and the tension spring are connected by a steel wire rope in conjunction with a hanging pulley, so that when the formation cabinet is pressed together, the tension spring provides an upward pulling force to the mounting plate through the steel wire rope to prevent the aging board module on the lower mounting plate from being affected by the dead weight of the upper mounting plate, thereby improving the uniformity of the pressing and separation of the aging board module, ensuring the quality of the formation, and effectively improving the quality of the battery. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0019] Figure 1 This is a schematic diagram of the three-dimensional structure of the forming cabinet of the present invention;

[0020] Figure 2 for Figure 1 Enlarged view of point A in the middle;

[0021] Figure 3 This is a front view structural diagram of the forming cabinet of the present invention;

[0022] Figure 4 This is a structural diagram of the main frame of the hot pressing fixture of the utility model;

[0023] Figure 5 This is a schematic diagram of the structure of the installation layer of the utility model;

[0024] Figure 6 This is a structural diagram of the hanging wheel assembly of the utility model;

[0025] Figure 7 This is a structural diagram of the tension spring counterweight device of the utility model.

[0026] The above drawings include the following reference numerals:

[0027] 1. Hot pressing fixture main frame; 11. Pressing plate; 12. Guide rod; 13. Screw mechanism; 2. Wire rope guide device; 21. Wire rope; 22. Pulley assembly; 221. First pulley group; 222. Second pulley group; 223. Third pulley group; 23. Mounting connector; 231. Upper clamping block; 232. Lower clamping block; 233. Semicircular groove; 24. Hook; 25. Mounting shaft; 26. Pulley; 3. Tension spring counterweight device; 31. Limit support seat; 32. Tension spring; 33. Tension block; 4. Shelf module; 5. Installing shelf; 51. Guide hole; 52. Sliding part; 53. Snap-in groove; 54. Mounting hole; 6. Hook support. DETAILED DESCRIPTION

[0028] The following will clearly and completely describe the concept, specific structure and technical effects of the present invention in combination with the embodiments and drawings, so as to fully understand the purpose, characteristics and effects of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, other embodiments obtained by technical personnel in this field without creative work are within the scope of protection of the present invention. In addition, all the connection / connection relationships involved in the patent do not refer to the direct connection of components, but refer to the fact that a better connection structure can be formed by adding or reducing connection accessories according to the specific implementation situation. The various technical features in the creation of the present invention can be combined interactively without conflicting with each other.

[0029] Reference Figure 1 、 Figure 3, a vertical pressurized forming cabinet, comprising a hot pressing fixture main frame 1, a wire rope guide device 2, a tension spring counterweight device 3 and a layer module 4, wherein a plurality of groups of mounting layers 5 are arranged on both sides of the hot pressing fixture main frame 1, and the mounting layers 5 are symmetrically arranged in pairs, so that the layer module 4 is clamped between each group of mounting layers 5, and the battery core layer module is installed on the hot pressing fixture main frame 1; the tension spring counterweight device 3 is connected to the bottom of the wire rope guide device 2, and the two groups of wire rope guide devices 2 and tension spring counterweight devices 3 are respectively installed on both sides of the hot pressing fixture main frame 1, and a plurality of steel wire ropes 21 are provided on the wire rope guide device 2, and each of the two sides of the mounting layer 5 is connected to a steel wire rope 21, and then the end of the steel wire rope 21 away from the mounting layer 5 is connected to the tension spring counterweight device 3. When the hot pressing fixture main frame 1 is working to press the layer module 4 downward, the tension spring counterweight devices 3 on both sides of the hot pressing fixture main frame 1 will move simultaneously through the wire rope guide device 2, and the tension spring counterweight device 3 will give the installation layer 5 an upward pulling force through the wire rope 21. The upward pulling force is balanced with the gravity of the installation layer 5, avoiding the layer module 4 on the lower installation layer 5 from being affected by the weight of the upper installation layer 5.

[0030] Reference Figure 3 、 Figure 4 In an embodiment of the present invention, the hot pressing fixture main frame 1 is provided with a pressing plate 11 and two groups of guide rods 12. The pressing plate 11 is slidably connected to the two groups of guide rods 12, so that the pressing plate 11 can slide up and down; the hot pressing fixture main frame 1 is also provided with a screw mechanism 13, and the screw mechanism 13 is used to drive the pressing plate 11 to move along the guide rods 12. The mounting layer 5 is slidably connected to the guide rods 12, and the mounting layer 5 is located below the pressing plate. When performing the pressing operation, the screw mechanism 13 drives the pressing plate 11 to move downward. Under the pressure of the pressing plate 12, the mounting layer 5 drives the layer module 4 to press downward to complete the pressing operation.

[0031] Reference Figure 2 、 Figure 4 、 Figure 5 In an embodiment of the present invention, the multiple groups of mounting panels 5 on the two groups of guide rods 12 are symmetrically arranged in pairs, so that the height of the mounting panels 5 of each group is the same to ensure the stability of preventing the panel module 4 from being pressed together; and a guide hole 51 is provided in the middle of the mounting panel 5, and a sliding member 52 is provided in the guide hole 51. The guide rod 12 is inserted into the sliding member 52, which can ensure the smoothness of the downward sliding of the mounting panel 5 and reduce the friction between the mounting panel 5 and the guide rod 15 during the downward sliding process.

[0032] Specifically, the outer side of the mounting plate 5 is provided with mounting holes 54, and a plurality of mounting holes 54 are arranged in rows and intervals, with a unified structure, convenient production, and also conducive to orderly connection of the mounting plates 5 at different positions, and a hook support 6 is provided on each of the mounting plates 5, two of the hook support 6 are connected to the mounting holes 54, and the positions of the hook support 6 of each layer of the mounting plate 5 are ensured to be symmetrical, one end of the wire rope 21 is hooked with the hook support 6, and then the tension spring counterweight device 3 at the other end of the wire rope 21 is connected. To ensure that the installation layer 5 reaches a stable state, and several hook supports 6 are arranged in an inverted V shape on the side of multiple groups of installation layer plates 5, and hooks 24 are provided at both ends of the wire rope 21. The hook 24 at one end of the wire rope 21 is hooked with the hook support 6, and the wire rope is organized with the hanging wheel assembly 22 to ensure the neatness of the overall structure of the mechanism; at the same time, a clamping groove 53 is provided on the inner side of the installation layer plate 5, and the side end of the layer plate module 4 is clamped in the clamping groove 53 to ensure the stability of the installation of the layer plate module 4.

[0033] Reference Figure 3 、 Figure 4 、 Figure 6 In an embodiment of the present utility model, the wire rope guide device 2 is further provided with a pulley assembly 22 and a mounting connector 23. The pulley assembly 22 is fixed to the hot pressing fixture main frame 1 through the mounting connector 23, so that the pulley assembly 22 is in a suspended state, and each of the wire ropes 21 is correspondingly wound around the pulley assembly 22, and then the hook 24 at one end of the wire rope 21 is hooked with the hook support 6, and the hook 24 at the other end is hooked with the tension spring counterweight device 3, so that the tension spring counterweight device 3 can apply an upward pulling force to the installation layer 5 through the wire rope 21, thereby eliminating the dead weight of the installation layer 5, thereby reducing the impact on the lower layer panel module 4.

[0034] Specifically, in order to ensure the formation quantity of the layer module 4 and also to improve the neatness of the formation cabinet structure, in this embodiment, the pulley assembly 22 is provided with a first pulley group 221, a second pulley group 222 and a third pulley group 223, and the first pulley group 221, the second pulley group 222 and the third pulley group 223 are all provided with a mounting shaft 25 and a pulley 26, and a plurality of the pulleys 26 are sleeved on the mounting shaft 25 at intervals, and the pulleys 26 on the first pulley group 221 and the second pulley group 222 are in the same vertical plane, and the first pulley group 221 and the second pulley group 222 are arranged side by side horizontally, and a portion of the corresponding steel wire rope 21 is simultaneously passed around the first pulley group 2 The pulleys 21 and the second pulley assembly 222 are connected to the pulleys 25 at the same position, and are connected to the hook support 6 and a set of tension spring counterweight devices 3. The tension of the springs is used to offset the deadweight of the installation panel 5, thereby reducing the impact on the lower panel module 4. The pulleys 26 on the third pulley assembly 223 are offset from the pulleys 26 on the first pulley assembly 221, and the third pulley assembly 223 and the first pulley assembly 221 are arranged longitudinally side by side. The other portion of the corresponding steel wire rope 21 passes around the pulley 26 on the third pulley assembly 223 and is connected to the hook support 6 and another set of tension spring counterweight devices 3. The tension of the springs is used to offset the deadweight of the installation panel 5, thereby reducing the impact on the lower panel module 4. This structure ensures that each layer of the installation panel 5 is connected to the corresponding spring of the tension spring counterweight device 3, and the springs do not affect each other. It also makes the overall structure of the forming cabinet more neat and compact.

[0035] Specifically, the mounting connector 23 is provided with an upper clamping block 231 and a lower clamping block 232, and two matching semicircular grooves 233 are provided on the upper clamping block 231 and the lower clamping block 232, and the mounting shafts 25 of the first hanging pulley group 221 and the second hanging pulley group 222 are clamped up and down by the two semicircular grooves 233 on the upper clamping block 231 and the lower clamping block 232, and then the other end of the upper clamping block 231 is fixedly connected to the top seat 13, so that the wire rope guide device 2 is stably connected to the hot pressing fixture main frame 1 and is in a suspended state, which is conducive to the connection of the wire rope 21 with the mounting layer 5 and the tension spring counterweight device 3.

[0036] Reference Figure 2 、 Figure 7In an embodiment of the present utility model, the tension spring counterweight device 3 is provided with a limited support seat 31, a tension spring 32 and a tension block 33, wherein the limited support seat 31 is composed of two arch frames fixed together, which corresponds to the hanging wheel assembly 22, and the arch frame is formed by two support columns connected to the end of the beam. Two fixing blocks are extended outward on both sides of the bottom of the hot pressing fixture main frame 1, and the limited support seat 31 is connected between the two fixed blocks. At the same time, a plurality of perforations are provided on the beam of the limited support seat 31, and the spacing of the perforations is adapted to the spacing of the hanging wheel 26, so that the tension The spring 32 is arranged above the limit support seat 31, and the upper end of the tensioning block 33 is connected to a flexible part, which is connected to the lower end of the tensioning spring 33 through a through-hole, so that the tensioning block 33 is suspended below the tensioning spring 32. At the same time, the upper end of the tensioning spring 33 is hooked with the hook 26 of the corresponding wire rope 21, thereby eliminating the influence of the dead weight of the installed layer 5 on the layer module 4 under the action of the tension spring counterweight, so that the pressing force applied to the layer module 4 of each layer is more uniform, ensuring the quality of the formation; the dead weight of the installed layer 5 can also be balanced by adjusting the tensioning force of the tensioning block 33, which is easy to operate.

[0037] The above is a specific description of the preferred implementation of the present invention, but the invention of the present invention is not limited to the embodiments. Those skilled in the art can make various equivalent modifications or substitutions without violating the spirit of the present invention. These equivalent modifications or substitutions are all included in the scope defined by the claims of this application.

Claims

1. A vertical pressurized forming cabinet, characterized in that: It includes a hot pressing fixture main frame, a wire rope guide device, a tension spring counterweight device and a layer plate module. Multiple groups of mounting layers are arranged on both sides of the hot pressing fixture main frame, and the layer plate module is arranged between a group of mounting layers. The tension spring counterweight device is connected to the bottom of the wire rope guide device, and two groups of wire rope guide devices and tension spring counterweight devices are installed on both sides of the hot pressing fixture main frame. The wire rope guide device is provided with a plurality of steel ropes, and each mounting layer plate is connected to a steel rope on both sides, and the end of the steel rope away from the mounting layer plate is connected to the tension spring counterweight device.

2. A vertical pressurized chemical forming cabinet according to claim 1, characterized in that: Each of the mounting plates is also provided with a mounting hole and a hook support, several of the mounting holes are arranged in rows at intervals, the hook support is connected to the mounting holes, and several of the hook support are arranged in an inverted V shape on the sides of multiple groups of mounting plates, hooks are provided at both ends of the wire rope, and the hook at one end of the wire rope is hooked to the hook support.

3. A vertical pressurized chemical forming cabinet according to claim 2, characterized in that: The wire rope guide device is also provided with a pulley assembly and an installation connector. The pulley assembly is fixed to the main frame of the hot pressing fixture through the installation connector, and the wire rope is correspondingly wound around the pulley assembly. The hook at the other end of the wire rope is hooked with the tension spring counterweight device.

4. A vertical pressurized chemical forming cabinet according to claim 3, characterized in that: The sheave assembly is provided with a first sheave group, a second sheave group and a third sheave group. The first sheave group and the second sheave group are arranged side by side horizontally, and a part of the wire rope is passed around the first sheave group and the second sheave group at the same time. The third sheave group and the first sheave group are arranged side by side longitudinally, and another part of the wire rope is passed around the third sheave group alone.

5. A vertical pressurized chemical forming cabinet according to claim 4, characterized in that: The first pulley group, the second pulley group and the third pulley group are all provided with mounting shafts and pulleys, and a plurality of the pulleys are sleeved on the mounting shafts at intervals. The pulleys on the first pulley group and the second pulley group are in the same vertical plane, and the pulleys on the third pulley group are staggered with the pulleys on the first pulley group.

6. A vertical pressurized chemical forming cabinet according to claim 5, characterized in that: The mounting connector is provided with an upper clamping block and a lower clamping block, and the upper clamping block and the lower clamping block are provided with two matching semicircular grooves. The upper clamping block and the lower clamping block clamp the mounting shafts of the first hanging pulley group and the second hanging pulley group up and down through the semicircular grooves, and the upper clamping block is connected to the main frame of the hot pressing fixture.

7. A vertical pressurized chemical forming cabinet according to claim 3, characterized in that: The tension spring counterweight device is provided with a limit support seat, a tension spring and a tensioning block. The limit support seat is composed of two arch frames fixed together, which correspond to the hanging wheel assembly. The arch frame is composed of two support columns connected to the end of the beam. Two fixed blocks extend outward on both sides of the bottom of the hot pressing fixture main frame. The limit support seat is connected across the two fixed blocks. The upper end of the tensioning block passes through the limit support seat and is hooked with the lower end of the tension spring. The upper end of the tension spring is hooked with the steel wire rope.

8. The vertical pressurized chemical forming cabinet according to claim 1, characterized in that: The hot pressing fixture main frame is provided with a pressure plate and two groups of guide rods, and the pressure plate is slidably connected to the two groups of guide rods. The hot pressing fixture main frame is also provided with a screw mechanism, which is used to drive the pressure plate to move along the guide rods. The mounting layer is slidably connected to the guide rods, and the mounting layer is located below the pressure plate.

9. A vertical pressurized chemical forming cabinet according to claim 8, characterized in that: The multiple groups of mounting plates on the two groups of guide rods are symmetrically arranged in pairs, and a guide hole is provided in the middle of the mounting plate, a sliding member is provided in the guide hole, and the guide rod is inserted into the sliding member.

10. The vertical pressurized chemical forming cabinet according to claim 1, characterized in that: A clamping groove is provided on the inner side of the installation layer plate, and the side end of the layer plate module is clamped in the clamping groove.

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