Automatic pressing and unlocking mechanism for lithium battery module

Abstract

The present invention belongs to the technical field of new energy lithium battery module stacking, and in particular to an automatic pressing and unlocking mechanism for a lithium battery module, comprising a mounting seat and a tray, a top side of the mounting seat being provided with a thrust cylinder mounting plate, an unlocking mechanism being provided on the thrust cylinder mounting plate, a first slide rail being provided on the top of the mounting seat, a first slide rail mounting plate being provided on the top of the first slide rail, a lifting cylinder mounting seat being fixedly installed at one end of the top of the first slide rail mounting plate away from the thrust cylinder mounting plate, a downward pressing mechanism being provided on the lifting cylinder mounting seat, and a sliding assembly and a positioning mechanism being provided at the four corners of the top of the tray respectively. The present invention provides a pressing mechanism, an unlocking mechanism and a positioning mechanism, and combines the positioning mechanism, the pressing mechanism and the unlocking mechanism to achieve automatic pressing and unlocking, thereby ensuring the accurate size of the lithium battery module, improving the stacking efficiency of the lithium battery module, saving labor costs, and greatly improving production efficiency.

Description

Technical Field

[0001] The present invention relates to the technical field of new energy lithium battery module stacking, and in particular to an automatic pressing and unlocking mechanism for a lithium battery module. Background Art

[0002] Lithium batteries are a type of battery that uses lithium metal or lithium alloys as the positive and negative electrode materials and a non-aqueous electrolyte solution. Positive electrode materials include lithium cobalt oxide, lithium manganese oxide, lithium nickel oxide, lithium iron phosphate, nickel-cobalt-aluminum ternary, and nickel-cobalt-manganese ternary. Graphite is often used as the negative electrode. Lithium metal, lithium alloys, silicon-carbon, and oxide negative electrode materials can also be used for the negative electrode. When stacking, lithium battery modules are typically assembled into modules, which are then compressed and installed with battery connectors, battery protection plates, and other components.

[0003] The existing technology has the following problems:

[0004] Existing lithium battery modules are usually stacked by automatic stacking and manual stacking. During the stacking process of lithium battery modules, in order to ensure the size of the battery, the battery needs to be shaped and compacted. The industry currently mainly uses manual operations for compacting and unlocking lithium batteries. After automatic or manual stacking is completed, the battery is manually shaped and compacted. This method has low work efficiency and high labor costs, and cannot be fully automated. In addition, the size of the module compaction process is difficult to control, the module size cannot be accurately controlled, and the structure is unstable. Summary of the Invention

[0005] In response to the shortcomings of the existing technology, the present invention provides an automatic pressing and unlocking mechanism for a lithium battery module, which solves the current problem of manual shaping and pressing of the battery, which has low work efficiency, high labor costs, and cannot be fully automated. In addition, the size of the module is difficult to control during the pressing process, the module size cannot be accurately controlled, and the structure is unstable.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an automatic pressing and unlocking mechanism for a lithium battery module, comprising a mounting seat and a tray, a top side of the mounting seat being provided with a propulsion cylinder mounting plate, an unlocking mechanism being provided on the propulsion cylinder mounting plate, a first slide rail being provided on the top of the mounting seat, a first slide rail mounting plate being provided on the top of the first slide rail, a lifting cylinder mounting seat being fixedly mounted on one end of the top of the first slide rail mounting plate away from the propulsion cylinder mounting plate, a pressing mechanism being provided on the lifting cylinder mounting seat, a sliding assembly and a positioning mechanism being provided at the four corners of the top of the tray respectively, a U-shaped support column being provided on the top of the sliding assembly, a quick-clamp mounting plate being provided on the top of the support column, and a pressing mechanism being provided on the support column;

[0007] The unlocking mechanism includes a propulsion cylinder, a propulsion cylinder floating joint, and a propulsion cylinder connecting piece. The propulsion cylinder is fixedly mounted on one side of the propulsion cylinder mounting plate. The output end of the propulsion cylinder passes through the propulsion cylinder mounting plate and is fixedly mounted on the propulsion cylinder floating joint. One end of the propulsion cylinder connecting piece is fixedly mounted on a side of the propulsion cylinder floating joint away from the propulsion cylinder, and the other end of the propulsion cylinder connecting piece is fixedly mounted on the top of the first slide rail mounting plate.

[0008] The clamping mechanism includes a second guide shaft bearing seat, a second guide shaft, a second linear bearing and an L-shaped second linear bearing mounting plate. The second guide shaft bearing seat is fixedly mounted on the bottom of the inner side of the support column, the second guide shaft is fixedly mounted inside the second guide shaft bearing seat, the top of the second guide shaft is fixedly mounted on the top of the support column, the second linear bearing mounting plate is slidably mounted on the second guide shaft, the bottom of the second linear bearing mounting plate is fixedly mounted with the second linear bearing, and the second linear bearing is slidably connected to the second guide shaft.

[0009] In some embodiments, the downward pressure mechanism includes a lifting plate, a lifting cylinder floating joint and a lifting cylinder, the lifting cylinder is fixedly mounted on the top of the lifting cylinder mounting seat, the output end of the lifting cylinder passes through the top of the lifting cylinder mounting seat and extends to the interior of the lifting cylinder mounting seat and is fixedly mounted with the lifting cylinder floating joint, the bottom of the lifting cylinder floating joint is fixedly mounted with a lifting plate, one end of the lifting plate extends to the outside of the lifting cylinder mounting seat and is provided with a positioning pin.

[0010] In some embodiments, the top of the lifting cylinder mounting seat corresponds to a first linear bearing fixedly installed on both sides of the lifting cylinder, and the interior of the first linear bearing is slidably installed with a first guide shaft, and the bottom of the first guide shaft extends to the interior of the lifting cylinder mounting seat and is fixedly installed on the top of the lifting plate.

[0011] In some embodiments, a buffer mounting plate is fixedly installed on the top of the mounting seat corresponding to the position of the extension and retraction of the propulsion cylinder, an oil pressure buffer is fixedly installed on the buffer mounting plate, a first limit screw is fixedly installed on the side of the oil pressure buffer, a drag chain mounting plate is fixedly installed on the top of the mounting seat away from the end of the lifting cylinder mounting seat, a drag chain guide sheet metal is fixedly installed on the top of the mounting seat corresponding to the position of the drag chain mounting plate, and the drag chain is fixedly installed inside the drag chain guide sheet metal.

[0012] In some embodiments, the sliding assembly includes a second slide rail, a second limit screw and a limit seat, the limit seat is convex in shape, and the limit seat is provided with two groups that are respectively fixedly installed on the top of the tray, the second slide rail is fixedly installed between the two groups of limit seats, the tops of the two groups of limit seats are respectively threaded with second limit screws, and the bottom of the support column is slidably installed on the second slide rail.

[0013] In some embodiments, the clamping mechanism also includes an adjusting ring, a spring, a pressure plate, a pressure block, foam, a pin sleeve and a gasket, the pin sleeve is fixedly mounted on one end of the second linear bearing mounting plate, the second linear bearing mounting plate and the pin sleeve are provided with through holes adapted to the positioning pins, the adjusting ring is sleeved on the second guide shaft, the gasket is fixedly mounted on the second linear bearing mounting plate corresponding to the position of the second guide shaft, the spring is sleeved on the second guide shaft and fixedly mounted between the adjusting ring and the gasket, the pressure plate is fixedly mounted on the top of each two groups of corresponding second linear bearing mounting plates, the pressure block is fixedly mounted on the top of the pressure plate, and the foam is fixedly mounted on the bottom of the pressure plate.

[0014] In some embodiments, the top of the quick clamp mounting plate is fixedly mounted with a quick clamp at a position corresponding to the pressure plate, the bottom of the quick clamp is fixedly mounted with a clamping link, the bottom of the clamping link is fixedly mounted with a floating joint, and the bottom of the floating joint is in contact with the top of the pressure plate.

[0015] In some embodiments, the positioning mechanism includes a clamping positioning pin and a limit block. The limit block is fixedly installed on the top of the tray corresponding to the inner side of the sliding assembly. The position of the clamping positioning pin corresponding to the limit block is fixedly installed on the bottom of the second linear bearing mounting plate. The two ends of the top of the limit block are respectively provided with limit holes that are compatible with the clamping positioning pin.

[0016] Compared with the prior art, the present invention provides an automatic pressing and unlocking mechanism for a lithium battery module, which has the following beneficial effects:

[0017] The automatic pressing and unlocking mechanism of the lithium battery module can realize automatic pressing and unlocking by providing a pressing mechanism, an unlocking mechanism and a positioning mechanism, and combining the positioning mechanism, the pressing mechanism and the unlocking mechanism, thereby ensuring the accurate size of the lithium battery module, improving the stacking efficiency of the lithium battery module, saving labor costs, realizing full automation, and greatly improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0019] Figure 2 This is a schematic diagram of the unlocking mechanism structure of the present invention;

[0020] Figure 3 It is a structural schematic diagram of the pressing mechanism of the present invention.

[0021] In the figure: 1. Mounting seat; 2. Propulsion cylinder; 3. Propulsion cylinder mounting plate; 4. Propulsion cylinder floating joint; 5. Propulsion cylinder connecting piece; 6. Buffer mounting plate; 7. Hydraulic buffer; 8. First limit screw; 9. Positioning pin; 10. Lifting plate; 11. Lifting cylinder mounting seat; 12. Lifting cylinder floating joint; 13. Lifting cylinder; 14. First guide shaft; 15. First linear bearing; 16. First slide rail; 17. First slide rail mounting plate; 18. Drag chain mounting plate; 19. Drag chain guide sheet metal; 20 , drag chain; 21. Support column; 22. Quick clamp mounting plate; 23. Adjustment ring; 24. Spring; 25. Quick clamp; 26. Clamping link; 27. Floating joint; 28. Pressure plate; 29. ​​Pressure block; 30. Foam; 31. Second slide rail; 32. Second limit screw; 33. Limit seat; 34. Clamping positioning pin; 35. Limit block; 36. Second guide shaft bearing seat; 37. Second guide shaft; 38. Second linear bearing; 39. Second linear bearing mounting plate; 40. Pin sleeve; 41. Gasket; 42. Tray. DETAILED DESCRIPTION

[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] In the description of the present invention, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," "the other end," and the like, indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate and simplify the description of the present invention. They are not intended to indicate or imply that the devices or components referred to must have, be constructed, or operate in a specific orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0024] In the description of the present invention, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "provided with," "connected," etc., should be understood in a broad sense. For example, "connected" may refer to a fixed connection, a detachable connection, or an integral connection; it may refer to a mechanical connection or an electrical connection; it may refer to a direct connection or an indirect connection through an intermediate medium; it may refer to internal communication between two components. Those skilled in the art will be able to understand the specific meanings of the above terms in the present invention based on the specific circumstances.

[0025] See also Figure 1-3 In this embodiment: an automatic pressing and unlocking mechanism for a lithium battery module comprises a mounting seat 1 and a tray 42, a top side of the mounting seat 1 is provided with a propulsion cylinder mounting plate 3, and an unlocking mechanism is provided on the propulsion cylinder mounting plate 3, which drives the pressing mechanism to move laterally; a first slide rail 16 is provided on the top of the mounting seat 1, and a first slide rail mounting plate 17 is provided on the top of the first slide rail mounting plate 17, and a lifting cylinder mounting seat 11 is fixedly installed on the top end of the first slide rail mounting plate 17 away from the propulsion cylinder mounting plate 3, and a pressing mechanism is provided on the lifting cylinder mounting seat 11, which drives the pressing mechanism to move up and down; sliding assemblies and positioning mechanisms are respectively provided at the four corners of the top of the tray 42 to increase the stability of the pressing mechanism when moving; a U-shaped support column 21 is provided on the top of the sliding assembly, a quick clamp mounting plate 22 is provided on the top of the support column 21, and a pressing mechanism is provided on the support column 21 to press the battery module;

[0026] The unlocking mechanism includes a propulsion cylinder 2, a propulsion cylinder floating joint 4, and a propulsion cylinder connecting member 5. The propulsion cylinder 2 is fixedly mounted on one side of the propulsion cylinder mounting plate 3. The output end of the propulsion cylinder 2 passes through the propulsion cylinder mounting plate 3 and is fixedly mounted on the propulsion cylinder floating joint 4. One end of the propulsion cylinder connecting member 5 is fixedly mounted on the side of the propulsion cylinder floating joint 4 away from the propulsion cylinder 2. The other end of the propulsion cylinder connecting member 5 is fixedly mounted on the top of the first slide rail mounting plate 17. When unlocking, the propulsion cylinder 2 is started to extend, and the positioning pin 9 is moved to just below the pin sleeve 40. The lifting cylinder 13 is started to retract, so that the lifting plate 10 is raised, the positioning pin 9 is inserted into the pin sleeve 40, and the pressure plate 28 is raised. The propulsion cylinder 2 is started again to retract, so that the clamping mechanism leaves the battery module.

[0027] The clamping mechanism includes a second guide shaft bearing seat 36, a second guide shaft 37, a second linear bearing 38 and an L-shaped second linear bearing mounting plate 39. The second guide shaft bearing seat 36 is fixedly mounted on the bottom of the inner side of the support column 21, the second guide shaft 37 is fixedly mounted inside the second guide shaft bearing seat 36, the top of the second guide shaft 37 is fixedly mounted on the top of the support column 21, the second linear bearing mounting plate 39 is slidably mounted on the second guide shaft 37, the second linear bearing 38 is fixedly mounted on the bottom of the second linear bearing mounting plate 39, and the second linear bearing 38 is slidably connected to the second guide shaft 37.

[0028] In this embodiment, the pressing mechanism includes a lifting plate 10, a lifting cylinder floating joint 12 and a lifting cylinder 13. The lifting cylinder 13 is fixedly mounted on the top of the lifting cylinder mounting seat 11. The output end of the lifting cylinder 13 passes through the top of the lifting cylinder mounting seat 11 and extends to the inside of the lifting cylinder mounting seat 11 and is fixedly mounted with the lifting cylinder floating joint 12. The bottom of the lifting cylinder floating joint 12 is fixedly mounted with the lifting plate 10. One end of the lifting plate 10 extends to the outside of the lifting cylinder mounting seat 11 and is provided with a positioning pin 9. By starting the lifting cylinder 13, the lifting cylinder floating joint 12 is driven to move, and at the same time, the lifting plate 10 is driven to rise and fall, thereby driving the clamping mechanism to clamp the battery module; the top of the lifting cylinder mounting seat 11 corresponds to the two sides of the lifting cylinder 13 and is fixedly mounted with a first linear bearing 15. The first linear bearing 15 is slidably mounted inside the first guide shaft 14. The bottom of the first guide shaft 14 extends to the inside of the lifting cylinder mounting seat 11 and is fixedly mounted on the top of the lifting plate 10. By setting the first guide shaft 14, the lifting plate 10 is increased Stability; the top of the mounting seat 1 corresponds to the position of the extension and retraction of the propulsion cylinder 2, and the buffer mounting plate 6 is fixedly installed. The oil pressure buffer 7 is fixedly installed on the buffer mounting plate 6. The side of the oil pressure buffer 7 is fixedly installed with a first limit screw 8. The top of the mounting seat 1 is away from the end of the lifting cylinder mounting seat 11 and the drag chain mounting plate 18 is fixedly installed. The top of the mounting seat 1 corresponds to the position of the drag chain mounting plate 18 and the drag chain guide sheet metal 19 is fixedly installed. The drag chain 20 is fixedly installed inside the drag chain guide sheet metal 19; the sliding assembly includes a second slide rail 31 and The second limiting screw 32 and the limiting seat 33 are convex-shaped. The limiting seat 33 has two groups fixedly mounted on the top of the tray 42. The second slide rail 31 is fixedly mounted between the two groups of limiting seats 33. The tops of the two groups of limiting seats 33 are respectively threaded with the second limiting screws 32. The bottom of the support column 21 is slidably mounted on the second slide rail 31. By setting the sliding assembly, when the clamping mechanism is moved, the support column 21 can slide with the second slide rail 31, thereby increasing the stability of the clamping mechanism when it moves;The clamping mechanism also includes an adjusting ring 23, a spring 24, a pressure plate 28, a pressure block 29, a foam 30, a pin sleeve 40 and a gasket 41. The pin sleeve 40 is fixedly mounted on one end of the second linear bearing mounting plate 39. The second linear bearing mounting plate 39 and the pin sleeve 40 are provided with through holes adapted to the positioning pin 9. The adjusting ring 23 is sleeved on the second guide shaft 37. The gasket 41 is fixedly mounted on the second linear bearing mounting plate 39 corresponding to the position of the second guide shaft 37. The spring 24 is sleeved on the second guide shaft 3 7 and fixedly installed between the adjusting ring 23 and the gasket 41, the pressing plate 28 is fixedly installed on the top of each two corresponding second linear bearing mounting plates 39, the pressing block 29 is fixedly installed on the top of the pressing plate 28, and the foam 30 is fixedly installed on the bottom of the pressing plate 28. When the lifting plate 10 is raised, the positioning pin 9 is inserted into the pin sleeve 40, and the spring 24 is compressed. The pressing plate 28 is raised, so that the pressing positioning pin 34 is disengaged from the limit block 35, and the pressing mechanism is moved to the battery module through the unlocking mechanism. At the top, the lifting cylinder 13 is started and extended, causing the pressure plate 28 to descend, the clamping positioning pin 34 to be inserted into the limit block 35, the foam 30 to contact the lithium battery module, and at the same time, the spring 24 to squeeze the second linear bearing mounting plate 39, so that the clamping mechanism can clamp the lithium battery module; the top of the quick clamp mounting plate 22 is fixedly installed with the position of the pressure plate 28, the bottom of the quick clamp 25 is fixedly installed with the clamping link 26, and the bottom of the clamping link 26 is fixedly installed with the floating joint 27. The bottom of 27 fits in contact with the top of the pressure plate 28; the positioning mechanism includes a clamping positioning pin 34 and a limit block 35. The limit block 35 is fixedly mounted on the top of the tray 42 corresponding to the inner side of the sliding assembly. The clamping positioning pin 34 is fixedly mounted on the bottom of the second linear bearing mounting plate 39 at the position corresponding to the limit block 35. The top ends of the limit block 35 are respectively provided with limit holes that match the clamping positioning pin 34. By providing the clamping positioning pin 34 and the limit block 35, the accuracy of the clamping mechanism during movement is increased.

[0029] The working principle and use process of the present invention are as follows: the operator stacks the lithium batteries on the top of the tray 42, and after the stacking is completed, the lifting cylinder 13 is started, and the lifting cylinder 13 drives the lifting plate 10 to rise, so that the positioning pin 9 is inserted into the pin sleeve 40, and at the same time the spring 24 is compressed, the pressure plate 28 is raised, and the pressing positioning pin 34 is separated from the limit block 35, and the propulsion cylinder 2 is started to extend, pushing the pressing mechanism to a fixed position above the module, and the lifting cylinder 13 is started again to extend, so that the pressing plate 28 is lowered, the pressing positioning pin 34 is inserted into the limit block 35, and the foam 30 contacts the lithium battery module, so that the spring 24 The second linear bearing mounting plate 39 is squeezed, so that the clamping mechanism presses the lithium battery module, and then the positioning pin 9 is taken out, and the propulsion cylinder 2 is started again to retract it; when unlocking, the propulsion cylinder 2 is started to extend, and the positioning pin 9 is moved to just below the pin sleeve 40, and the lifting cylinder 13 is started to retract it, so that the lifting plate 10 is raised, and the positioning pin 9 is inserted into the pin sleeve 40, and the pressure plate 28 is raised, and the propulsion cylinder 2 is started again to retract it, so that the clamping mechanism leaves the battery module, and the lifting cylinder 13 is started to extend, so that the clamping positioning pin 34 is inserted into the limit block 35, and the equipment returns to its initial state.

[0030] Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or substitute equivalents for some of the technical features. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. An automatic pressing and unlocking mechanism for a lithium battery module, comprising a mounting seat (1) and a tray (42), wherein a propulsion cylinder mounting plate (3) is provided on one side of the top of the mounting seat (1), and an unlocking mechanism is provided on the propulsion cylinder mounting plate (3), a first slide rail (16) is provided on the top of the mounting seat (1), a first slide rail mounting plate (17) is provided on the top of the first slide rail (16), a lifting cylinder mounting seat (11) is fixedly installed on the top of the first slide rail mounting plate (17) away from the propulsion cylinder mounting plate (3), a pressing mechanism is provided on the lifting cylinder mounting seat (11), a sliding assembly and a positioning mechanism are respectively provided at the four corners of the top of the tray (42), a U-shaped support column (21) is provided on the top of the sliding assembly, a quick clamp mounting plate (22) is provided on the top of the support column (21), and a pressing mechanism is provided on the support column (21); Its characteristics are: The unlocking mechanism includes a propulsion cylinder (2), a propulsion cylinder floating joint (4), and a propulsion cylinder connecting member (5), wherein the propulsion cylinder (2) is fixedly mounted on one side of the propulsion cylinder mounting plate (3), the output end of the propulsion cylinder (2) passes through the propulsion cylinder mounting plate (3) and is fixedly mounted on the propulsion cylinder floating joint (4), one end of the propulsion cylinder connecting member (5) is fixedly mounted on a side of the propulsion cylinder floating joint (4) away from the propulsion cylinder (2), and the other end of the propulsion cylinder connecting member (5) is fixedly mounted on the top of the first slide rail mounting plate (17); The clamping mechanism includes a second guide shaft bearing seat (36), a second guide shaft (37), a second linear bearing (38) and an L-shaped second linear bearing mounting plate (39), wherein the second guide shaft bearing seat (36) is fixedly mounted on the bottom of the inner side of the support column (21), the second guide shaft (37) is fixedly mounted inside the second guide shaft bearing seat (36), the top of the second guide shaft (37) is fixedly mounted on the top of the support column (21), the second linear bearing mounting plate (39) is slidably mounted on the second guide shaft (37), the bottom of the second linear bearing mounting plate (39) is fixedly mounted on the second linear bearing (38), and the second linear bearing (38) is slidably connected to the second guide shaft (37); The pressing mechanism includes a lifting plate (10), a lifting cylinder floating joint (12) and a lifting cylinder (13), wherein the lifting cylinder (13) is fixedly mounted on the top of the lifting cylinder mounting seat (11), and the output end of the lifting cylinder (13) passes through the top of the lifting cylinder mounting seat (11) and extends to the inside of the lifting cylinder mounting seat (11) and is fixedly mounted with the lifting cylinder floating joint (12), and the bottom of the lifting cylinder floating joint (12) is fixedly mounted with the lifting plate (10), and one end of the lifting plate (10) extends to the outside of the lifting cylinder mounting seat (11) and is provided with a positioning pin (9); The top of the lifting cylinder mounting seat (11) corresponds to the first linear bearing (15) fixedly mounted on both sides of the lifting cylinder (13), the first linear bearing (15) is slidably mounted inside the first guide shaft (14), and the bottom of the first guide shaft (14) extends to the inside of the lifting cylinder mounting seat (11) and is fixedly mounted on the top of the lifting plate (10); The clamping mechanism further includes an adjusting ring (23), a spring (24), a pressure plate (28), a pressure block (29), a foam (30), a pin sleeve (40) and a gasket (41), wherein the pin sleeve (40) is fixedly mounted on one end of the second linear bearing mounting plate (39), and a through hole adapted to the positioning pin (9) is provided on the second linear bearing mounting plate (39) and the pin sleeve (40), the adjusting ring (23) is sleeved on the second guide shaft (37), the gasket (41) is fixedly mounted on the second linear bearing mounting plate (39) at a position corresponding to the second guide shaft (37), the spring (24) is sleeved on the second guide shaft (37) and fixedly mounted between the adjusting ring (23) and the gasket (41), the pressure plate (28) is fixedly mounted on the top of each two groups of corresponding second linear bearing mounting plates (39), the pressure block (29) is fixedly mounted on the top of the pressure plate (28), and the foam (30) is fixedly mounted on the bottom of the pressure plate (28).

2. The automatic pressing and unlocking mechanism for a lithium battery module according to claim 1, characterized in that: A buffer mounting plate (6) is fixedly installed on the top of the mounting seat (1) at a position corresponding to the extension and retraction of the propulsion cylinder (2), an oil pressure buffer (7) is fixedly installed on the buffer mounting plate (6), a first limit screw (8) is fixedly installed on the side of the oil pressure buffer (7), a drag chain mounting plate (18) is fixedly installed on the top of the mounting seat (1) away from the end of the lifting cylinder mounting seat (11), a drag chain guide sheet metal (19) is fixedly installed on the top of the mounting seat (1) at a position corresponding to the drag chain mounting plate (18), and a drag chain (20) is fixedly installed inside the drag chain guide sheet metal (19).

3. The automatic pressing and unlocking mechanism for a lithium battery module according to claim 2, characterized in that: The sliding assembly includes a second slide rail (31), a second limiting screw (32) and a limiting seat (33), wherein the limiting seat (33) is convex-shaped, and the limiting seat (33) is provided with two groups fixedly mounted on the top of the tray (42), the second slide rail (31) is fixedly mounted between the two groups of limiting seats (33), and the tops of the two groups of limiting seats (33) are respectively threaded with the second limiting screws (32), and the bottom of the support column (21) is slidably mounted on the second slide rail (31).

4. The automatic pressing and unlocking mechanism for a lithium battery module according to claim 3, characterized in that: The top of the quick clamp mounting plate (22) is fixedly mounted with the quick clamp (25) at a position corresponding to the pressure plate (28), the bottom of the quick clamp (25) is fixedly mounted with the pressing link (26), the bottom of the pressing link (26) is fixedly mounted with the floating joint (27), and the bottom of the floating joint (27) is in contact with the top of the pressure plate (28).

5. The automatic pressing and unlocking mechanism for a lithium battery module according to claim 4, characterized in that: The positioning mechanism includes a clamping positioning pin (34) and a limiting block (35), the limiting block (35) is fixedly mounted on the top of the tray (42) corresponding to the inner side of the sliding assembly, the clamping positioning pin (34) is fixedly mounted on the bottom of the second linear bearing mounting plate (39) at a position corresponding to the limiting block (35), and limiting holes that are compatible with the clamping positioning pin (34) are respectively opened at both ends of the top of the limiting block (35).

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