Driving mechanism and hot-pressing jig

Abstract

The utility model provides a driving mechanism and a hot-pressing jig, and the driving mechanism comprises a first fixed plate and a second fixed plate which are oppositely arranged; the first transmission structure and the second transmission structure are arranged between the first fixing plate and the second fixing plate respectively, and the first transmission structure and the second transmission structure can rotate around the axes of the first transmission structure and the second transmission structure respectively; the pressing plate is arranged between the first fixing plate and the second fixing plate, the two ends of the pressing plate are in threaded connection with the first transmission structure and the second transmission structure respectively, and when the first transmission structure and the second transmission structure rotate, the pressing plate can move in the length direction of the first transmission structure and the length direction of the second transmission structure; the driving structure comprises a driving piece, a first driving shaft and a second driving shaft. In other words, the driving mechanism is low in cost, can be conveniently applied to different working environments and is low in cost.

Description

Technical Field

[0001] The present application belongs to the field of hot pressing jigs, and more specifically, to a driving mechanism and a hot pressing jig. Background Art

[0002] In the production process of new energy batteries, soft-pack lithium batteries need to be hot-pressed by hot-pressing jigs, so a pressure plate is needed in the hot-pressing jig to push the spaced layers to move so that every two layers can clamp the soft-pack lithium batteries between them. At present, the driving mechanism on the hot-pressing jig generally uses multiple spur gears to mesh with each other to rotate multiple screws, but when the size of the hot-pressing jig becomes larger, large-sized spur gears also need to be customized, which is costly and has the problem of too large transmission gap in the direct meshing of spur gears. Utility Model Content

[0003] The present application aims to provide a driving mechanism and a hot pressing fixture to solve at least one technical problem mentioned in the above background technology.

[0004] The technical solution adopted in this application is a driving mechanism, comprising:

[0005] a first fixing plate and a second fixing plate, wherein the first fixing plate and the second fixing plate are arranged opposite to each other;

[0006] A first transmission structure and a second transmission structure, wherein the first transmission structure and the second transmission structure are respectively arranged between the first fixing plate and the second fixing plate, and the first transmission structure and the second transmission structure can rotate around their own axes respectively;

[0007] A pressing plate is disposed between the first fixing plate and the second fixing member, and both ends of the pressing plate are respectively threadedly connected to the first transmission structure and the second transmission structure, and when the first transmission structure and the second transmission structure rotate, the pressing plate can move along the length direction of the first transmission structure and the second transmission structure;

[0008] A driving structure, comprising a driving member, a first driving shaft and a second driving shaft;

[0009] The driving member is disposed on the first fixing plate, a first bevel gear is disposed at a driving end of the driving member, and the driving member drives the first bevel gear to rotate;

[0010] Second bevel gears are respectively disposed at both ends of the first drive shaft and both ends of the second drive shaft;

[0011] The first transmission structure and the second transmission structure are respectively provided with a third bevel gear; wherein,

[0012] The second bevel gear at one end of the first drive shaft is meshed with the first bevel gear, and the second bevel gear at the other end of the first drive shaft is meshed with the third bevel gear on the first transmission structure; and

[0013] The second bevel gear at one end of the second drive shaft is meshed with the first bevel gear, and the second bevel gear at the other end of the second drive shaft is meshed with the third bevel gear on the second transmission structure.

[0014] During operation, the driving member drives the first bevel gear to rotate. When the first bevel gear rotates, since one end of the first drive shaft and the second drive shaft are respectively meshed with the first bevel gear through the second bevel gear, the first drive shaft and the second drive shaft can respectively rotate around their own axes under the action of the second bevel gear. When the first drive shaft rotates, since the second bevel gear connected to the other end of the first drive shaft is meshed with the third bevel gear provided on the first transmission structure, the first transmission structure can rotate around its own axis under the action of the third bevel gear. When the second drive shaft rotates, since the second bevel gear connected to the other end of the second drive shaft is meshed with the third bevel gear provided on the second transmission structure, the second transmission structure can rotate around its own axis under the action of the third bevel gear. Furthermore, when the first transmission structure and the second transmission structure rotate, the movement of the pressure plate can be realized.

[0015] That is to say, in the present application, since the two ends of the pressure plate are respectively connected to the first transmission structure and the second transmission structure, when the first transmission structure and the second transmission structure drive the pressure plate to move at both ends at the same time, it can ensure that the pressure plate moves in a balanced state and can improve the stability of the pressure plate movement.

[0016] In addition, the driving structure cooperates with the first bevel gear on the driving member and the second bevel gear on the first driving shaft and the second driving shaft, so that the first driving shaft can also cooperate with the third bevel gear on the first transmission structure through the second bevel gear to realize the rotation of the first transmission structure. Similarly, the second driving shaft can also cooperate with the third bevel gear on the second transmission structure through the second bevel gear to realize the rotation of the second transmission structure, and then the first transmission structure and the second transmission structure at both ends of the pressing plate can be synchronously rotated by one power source, thereby reducing costs. In addition, by changing the length of the first driving shaft and the second driving shaft, the driving mechanism can be conveniently adapted to different working environments, and the cost is low.

[0017] Optionally, it further comprises a first seat body, a second seat body and a third seat body disposed on the first fixing plate, two ends of the first driving shaft are rotatably disposed on the first seat body and the second seat body respectively, and two ends of the second driving shaft are rotatably disposed on the first seat body and the third seat body respectively; and

[0018] The first bevel gears are respectively meshed with the second bevel gears in the first seat body;

[0019] The second bevel gear on the first drive shaft is meshed with the third bevel gear on the first transmission structure in the second seat body;

[0020] The second bevel gear on the second drive shaft is meshed with the third bevel gear on the second transmission structure in the third seat body.

[0021] Optionally, it further comprises a third transmission structure and a fourth transmission structure, wherein the third transmission structure and the fourth transmission structure are respectively arranged between the first fixed plate and the second fixed plate, and the third transmission structure and the fourth transmission structure can rotate around their own axes respectively, and the third transmission structure and the fourth transmission structure are respectively provided with third bevel gears;

[0022] Positions near the four corners of the pressing plate are respectively threadedly connected to the first transmission structure, the second transmission structure, the third transmission structure and the fourth transmission structure;

[0023] The driving structure further includes a third driving shaft and a fourth driving shaft, and both ends of the third driving shaft and the fourth driving shaft are respectively provided with the second bevel gear; and

[0024] The second bevel gear at one end of the third drive shaft is meshed with the third bevel gear on the first transmission structure, and the second bevel gear at the other end of the third drive shaft is meshed with the third bevel gear on the third transmission structure; and

[0025] The second bevel gear at one end of the fourth drive shaft meshes with the third bevel gear on the second transmission structure, and the second bevel gear at the other end of the fourth drive shaft meshes with the third bevel gear on the fourth transmission structure.

[0026] Optionally, the driving member is located at an end of the first fixing plate away from the pressing plate; and

[0027] The third bevel gear is located on a side of the first fixing plate away from the pressing plate.

[0028] Optionally, the first transmission structure includes a screw and a sleeve, two ends of the screw are rotatably disposed on the first fixed plate and the second fixed plate respectively, the screw is provided with the third bevel gear, the sleeve is threadedly connected to the screw, and the sleeve is connected to the pressing plate; and

[0029] The structures of the second transmission structure, the third transmission structure and the fourth transmission structure are the same as the first transmission structure.

[0030] Optionally, the first driving shaft and the second driving shaft are respectively located on two sides of the driving member.

[0031] A hot pressing jig comprises a plurality of guide shafts, a plurality of layer plates and the driving mechanism; wherein:

[0032] The guide shaft is arranged between the first fixing plate and the second fixing plate;

[0033] Both ends of each layer plate are slidably matched with one of the guide shafts, and the layer plate is arranged parallel to the pressing plate; and

[0034] Each of the layer plates is located between the pressing plate and the second fixing plate, and the layer plates are parallel to each other.

[0035] Optionally, it further comprises a chain, one end of the chain is connected to the pressing plate, and the other end of the chain is connected to the second fixing plate;

[0036] Each of the layer plates is connected to the chain respectively; and

[0037] When the chain is straightened by the pressing plate, the spacing between each of the layer plates is equal.

[0038] Optionally, it further comprises a support rod, wherein the support rod is connected between the first fixing plate and the second fixing plate; and

[0039] The layer plate is provided with a pulley, and the pulley is slidably arranged on the support rod.

[0040] Optionally, a buffer plate is further provided on a side of the second fixing plate close to the pressing plate, the buffer plate is arranged parallel to the pressing plate, and an elastic member is provided between the buffer plate and the second fixing plate; and

[0041] Each of the layer plates is located between the pressing plate and the buffer plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0042] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0043] Figure 1 One of the structural schematic diagrams of a driving mechanism provided in an embodiment of the present application;

[0044] Figure 2 A second structural schematic diagram of a driving mechanism provided in an embodiment of the present application;

[0045] Figure 3 A schematic diagram of the structure of a hot pressing fixture provided in an embodiment of the present application.

[0046] Reference numerals:

[0047] 100, driving mechanism; 110, first fixed plate; 120, second fixed plate; 130a, first transmission structure; 130b, second transmission structure; 130c, third transmission structure; 130d, fourth transmission structure; 131, screw; 132, sleeve; 140, pressing plate; 150, driving structure; 151, driving member; 152a, first driving shaft; 152b, second driving shaft; 152c, third driving shaft; 152d, fourth driving shaft; 153a, first oblique bevel gear; 153b, second oblique bevel gear; 153c, third oblique bevel gear; 154a, first seat; 154b, second seat; 154c, third seat;

[0048] 200, guide shaft; 300, layer plate; 400, chain; 500, support rod; 600, pulley; 700, buffer plate; 800, elastic member. Specific embodiments

[0049] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0050] It should be noted that when a metastructure is referred to as being "fixed to" or "set on" another metastructure, it can be directly on the other metastructure or indirectly on the other metastructure. When a metastructure is referred to as being "connected to" another metastructure, it can be directly connected to the other metastructure or indirectly connected to the other metastructure.

[0051] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element structure referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0052] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of some applications, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0053] like Figure 1 and Figure 2 As shown, the present application provides a driving mechanism 100 , including a first fixing plate 110 , a second fixing plate 120 , a first transmission structure 130 a , a second transmission structure 130 b , a pressing plate 140 and a driving structure 150 .

[0054] The first fixing plate 110 and the second fixing plate 120 are disposed opposite to each other.

[0055] The first transmission structure 130a and the second transmission structure 130b are respectively disposed between the first fixing plate 110 and the second fixing plate 120, and the first transmission structure 130a and the second transmission structure 130b can rotate around their own axes respectively.

[0056] The pressing plate 140 is disposed between the first fixing plate 110 and the second fixing member, and both ends of the pressing plate 140 are respectively threadedly connected to the first transmission structure 130a and the second transmission structure 130b. When the first transmission structure 130a and the second transmission structure 130b rotate, the pressing plate 140 can move along the length direction of the first transmission structure 130a and the second transmission structure 130b. That is, the pressing plate 140 can move back and forth between the first fixing plate 110 and the second fixing plate 120.

[0057] See also Figure 1 and Figure 2 The driving structure 150 is used to drive the first transmission structure 130a and the second transmission structure 130b to rotate.

[0058] Furthermore, the driving structure 150 includes a driving member 151 , a first driving shaft 152 a and a second driving shaft 152 b .

[0059] See also Figure 2 The driving member 151 is disposed on the first fixed plate 110 , and a first bevel gear 153 a is disposed at a driving end of the driving member 151 . The driving member 151 drives the first bevel gear 153 a to rotate.

[0060] Second bevel gears 153 b are respectively disposed at both ends of the first drive shaft 152 a and both ends of the second drive shaft 152 b .

[0061] The first transmission structure 130a and the second transmission structure 130b are respectively provided with a third bevel gear 153c.

[0062] The second bevel gear 153b at one end of the first driving shaft 152a meshes with the first bevel gear 153a, and the second bevel gear 153b at the other end of the first driving shaft 152a meshes with the third bevel gear 153c on the first transmission structure 130a.

[0063] The second bevel gear 153b at one end of the second driving shaft 152b meshes with the first bevel gear 153a, and the second bevel gear 153b at the other end of the second driving shaft 152b meshes with the third bevel gear 153c on the second transmission structure 130b.

[0064] During operation, the driving member 151 drives the first bevel gear 153a to rotate. When the first bevel gear 153a rotates, since one end of the first driving shaft 152a and the second driving shaft 152b are respectively meshed with the first bevel gear 153a through the second bevel gear 153b, the first driving shaft 152a and the second driving shaft 152b can respectively rotate around their own axes under the action of the second bevel gear 153b. When the first driving shaft 152a rotates, since the second bevel gear 153b connected to the other end of the first driving shaft 152a is meshed with the third bevel gear 153c provided on the first transmission structure 130a, the first transmission structure 130a can rotate around its own axis under the action of the third bevel gear 153c. When the second drive shaft 152b rotates, since the second bevel gear 153b connected to the other end of the second drive shaft 152b meshes with the third bevel gear 153c provided on the second transmission structure 130b, the second transmission structure 130b can rotate around its own axis under the action of the third bevel gear 153c. Further, when the first transmission structure 130a and the second transmission structure 130b rotate, the movement of the pressing plate 140 can be achieved.

[0065] That is to say, in the present application, since the two ends of the pressure plate 140 are respectively connected to the first transmission structure 130a and the second transmission structure 130b, when the first transmission structure 130a and the second transmission structure 130b drive the pressure plate 140 to move at both ends at the same time, it can ensure that the pressure plate 140 moves in a balanced state and can improve the stability of the movement of the pressure plate 140.

[0066] In addition, the driving structure 150 cooperates with the first driving shaft 152a and the second driving shaft 152b through the first bevel gear 153a on the driving member 151, so that the first driving shaft 152a can also cooperate with the third bevel gear 153c on the first transmission structure 130a through the second bevel gear 153b to realize the rotation of the first transmission structure 130a. Similarly, the second driving shaft 152b can also cooperate with the third bevel gear 153c on the second transmission structure 130b through the second bevel gear 153b to realize the rotation of the second transmission structure 130b, and then the first transmission structure 130a and the second transmission structure 130b at both ends of the pressing plate 140 can be realized by a power source. The synchronous rotation of the first and second transmission structures 130a and 130b reduces the cost. In addition, by changing the length of the first driving shaft 152a and the second driving shaft 152b, the driving mechanism 100 can be conveniently applied to different working environments, and the cost is low.

[0067] Specifically, in some embodiments, the first fixing plate 110 and the second fixing plate 120 are arranged in parallel, the pressing plate 140 is arranged between the first fixing plate 110 and the second fixing plate 120 , and the pressing plate 140 may also be arranged in parallel with the first fixing plate 110 and the second fixing plate 120 .

[0068] Both ends of the first transmission structure 130a may be respectively disposed on the first fixing plate 110 and the second fixing plate 120 via a rotating shaft, and both ends of the second transmission structure 130b may also be respectively disposed on the first fixing plate 110 and the second fixing plate 120 via a rotating shaft.

[0069] The two ends of the pressing plate 140 are threadedly connected to the first transmission structure 130a and the second transmission structure 130b, so that when the pressing plate 140 moves, the middle position of the pressing plate 140 can act on the pressed structure.

[0070] Further, in some embodiments, the first drive shaft 152a and the second drive shaft 152b may be respectively located on both sides of the drive member 151, so that the drive member 151 can be conveniently engaged with the second bevel gear 153b on the first drive shaft 152a and the second drive shaft 152b through the first bevel gear 153a. For example, the second bevel gear 153b on the first drive shaft 152a and the second drive shaft 152b can be respectively arranged on the first bevel gear 153a and meshed with the first bevel gear 153a.

[0071] See also Figure 1In some embodiments, the driving mechanism 100 further includes a first seat body 154a, a second seat body 154b, and a third seat body 154c disposed on the first fixing plate 110. The two ends of the first driving shaft 152a are rotatably disposed on the first seat body 154a and the second seat body 154b, respectively, and the two ends of the second driving shaft 152b are rotatably disposed on the first seat body 154a and the third seat body 154c, respectively. In this way, when the first driving shaft 152a and the second driving shaft 152b rotate under the action of the second bevel gear 153b, the stability of the rotation can be improved, and the stability of the meshing of the second bevel gear 153b with the first bevel gear 153a and the third bevel gear 153c can also be ensured.

[0072] Of course, in other embodiments, the first driving shaft 152a may also be rotatably disposed on the first fixing plate 110 via a bearing seat, and the second driving shaft 152b may also be rotatably disposed on the first fixing plate 110 via a bearing seat.

[0073] Further, when the first fixing plate 110 is provided with the first seat body 154a, the second seat body 154b and the third seat body 154c, the first bevel gear 153a is meshed with the second bevel gear 153b in the first seat body 154a respectively. The second bevel gear 153b on the first drive shaft 152a is meshed with the third bevel gear 153c on the first transmission structure 130a in the second seat body 154b. The second bevel gear 153b on the second drive shaft 152b is meshed with the third bevel gear 153c on the second transmission structure 130b in the third seat body 154c. The above-mentioned method can protect the first bevel gear 153a, the second bevel gear 153b and the third bevel gear 153c, and further improve the stability of the first bevel gear 153a, the second bevel gear 153b and the third bevel gear 153c when they are meshed with each other.

[0074] See also Figure 1 and Figure 2In order to further improve the stability and balance of the movement of the pressing plate 140, the driving mechanism 100 may further include a third transmission structure 130c and a fourth transmission structure 130d. The third transmission structure 130c and the fourth transmission structure 130d are respectively arranged between the first fixed plate 110 and the second fixed plate 120, and the third transmission structure 130c and the fourth transmission structure 130d can rotate around their own axes respectively, and the third transmission structure 130c and the fourth transmission structure 130d are also respectively provided with a third bevel gear 153c. The positions near the four corners of the pressing plate 140 are respectively threadedly connected with the first transmission structure 130a, the second transmission structure 130b, the third transmission structure 130c and the fourth transmission structure 130d. In this way, when the first transmission structure 130a, the second transmission structure 130b, the third transmission structure 130c and the fourth transmission structure 130d rotate, the pressing plate 140 can move under the action of the four transmission structures.

[0075] Furthermore, the driving structure 150 further includes a third driving shaft 152c and a fourth driving shaft 152d. Both ends of the third driving shaft 152c and the fourth driving shaft 152d are respectively provided with a second bevel gear 153b.

[0076] The second bevel gear 153b at one end of the third drive shaft 152c meshes with the third bevel gear 153c on the first transmission structure 130a, and the second bevel gear 153b at the other end of the third drive shaft 152c meshes with the third bevel gear 153c on the third transmission structure 130c.

[0077] The second bevel gear 153b at one end of the fourth drive shaft 152d meshes with the third bevel gear 153c on the second transmission structure 130b, and the second bevel gear 153b at the other end of the fourth drive shaft 152d meshes with the third bevel gear 153c on the fourth transmission structure 130d.

[0078] Specifically, when the third bevel gear 153c on the first transmission structure 130a rotates under the action of the second bevel gear 153b on the first drive shaft 152a, it can drive the second bevel gear 153b on the third drive shaft 152c that is meshed with the third bevel gear 153c on the first transmission structure 130a to rotate, thereby causing the third drive shaft 152c to rotate. When the third drive shaft 152c rotates, the third drive shaft 152c drives the second bevel gear 153b that is meshed with the third bevel gear 153c on the third transmission structure 130c to rotate, ultimately causing the third bevel gear 153c and the third transmission shaft on the third transmission structure 130c to rotate.

[0079] When the third bevel gear 153c on the second transmission structure 130b rotates under the action of the second bevel gear 153b of the second drive shaft 152b, it can drive the second bevel gear 153b on the fourth drive shaft 152d that is meshed with the third bevel gear 153c on the second transmission structure 130b to rotate, thereby causing the fourth drive shaft 152d to rotate. When the fourth drive shaft 152d rotates, the fourth drive shaft 152d drives the second bevel gear 153b that is meshed with the third bevel gear 153c on the second transmission structure 130b to rotate, ultimately causing the third bevel gear 153c on the fourth transmission structure 130d and the fourth transmission shaft to rotate.

[0080] That is to say, when the driving member 151 drives the first bevel gear 153a to rotate, the first transmission structure 130a, the second transmission structure 130b, the third transmission structure 130c and the fourth transmission structure 130d can rotate synchronously, thereby realizing that the first transmission structure 130a, the second transmission structure 130b, the third transmission structure 130c and the fourth transmission structure 130d synchronously drive the pressure plate 140 to move.

[0081] In addition, according to the different positions of the first transmission structure 130a, the second transmission structure 130b, the third transmission structure 130c and the fourth transmission structure 130d, the length of the first drive shaft 152a, the second drive shaft 152b, the third drive shaft 152c or the fourth drive shaft 152d can be changed accordingly, which is low-cost and easy to adapt to different working environments.

[0082] See also Figure 1 and Figure 2 In some embodiments, the driving member 151 may be located on a side of the first fixing plate 110 away from the pressing plate 140 , and the third bevel gear 153 c may also be located on a side of the first fixing plate 110 away from the pressing plate 140 .

[0083] In this way, the pressing plate 140 can avoid interference with the driving structure 150 when moving, and the moving stroke of the pressing plate 140 can be increased.

[0084] See also Figure 1 In some embodiments, the first transmission structure 130a may include a screw rod 131 and a sleeve 132, the two ends of the screw rod 131 are rotatably disposed on the first fixing plate 110 and the second fixing plate 120 respectively, the screw rod 131 is provided with a third bevel gear 153c, the sleeve 132 is threadedly connected to the screw rod 131, and the sleeve 132 is connected to the pressing plate 140, that is, the pressing plate 140 may be threadedly connected to the screw rod 131 through the sleeve 132. When the screw rod 131 rotates, the sleeve 132 may move along the length direction of the screw rod 131, thereby enabling the pressing plate 140 to move along the length direction of the screw rod 131.

[0085] Of course, in other embodiments, the pressing plate 140 may be provided with threads, and the pressing plate 140 is directly threadedly connected to the first transmission structure 130a through the threads.

[0086] In addition, the structures of the second transmission structure 130b, the third transmission structure 130c and the fourth transmission structure 130d may be the same as the first transmission structure 130a, and will not be described in detail herein.

[0087] See also Figure 3 The present application also provides a hot pressing jig, comprising a plurality of guide shafts 200, a plurality of layer plates 300 and the driving mechanism 100 in the above embodiment.

[0088] The guide shaft 200 is disposed between the first fixing plate 110 and the second fixing plate 120. For example, both ends of the guide shaft 200 may be fixed to the first fixing plate 110 and the second fixing plate 120.

[0089] Both ends of each layer plate 300 are slidably matched with a guide shaft 200, and the layer plate 300 is arranged in parallel with the pressing plate 140. Each layer plate 300 is located between the pressing plate 140 and the second fixing plate 120, and the layer plates 300 are parallel to each other. In this way, when the pressing plate 140 moves, the pressing plate 140 can be attached to the layer plate 300, and the pressing plate 140 can ensure the balance of the movement of the layer plate 300 in the process of driving the layer plate 300 to move.

[0090] It can be understood that the soft-pack lithium battery is placed between the two layer plates 300. When the pressure plate 140 drives the layer plate 300 closest to the pressure plate 140 to move, the layer plate 300 can always maintain a posture parallel to the next layer plate 300, so that the two layer plates 300 can clamp the soft-pack lithium battery in a parallel state to ensure the effect of hot pressing.

[0091] Furthermore, the hot pressing jig may further include a chain 400, one end of the chain 400 is connected to the pressing plate 140, and the other end of the chain 400 is connected to the second fixing plate 120. Each layer plate 300 is connected to the chain respectively.

[0092] It is understandable that when the number of the layer plates 300 is greater than two, the pressing plate 140 can move the chain 400 to separate each layer plate 300 by a certain distance, so as to facilitate the placement of batteries between every two layer plates 300.

[0093] Furthermore, when the chain 400 is straightened by the pressing plate 140 , the intervals between each layer plate 300 may be equal.

[0094] See also Figure 3In order to improve the stability of the movement of the layer plate 300, the hot pressing fixture may also include a support rod 500, the support rod 500 is connected between the first fixed plate 110 and the second fixed plate 120, and a pulley 600 is provided on the layer plate 300, and the pulley 600 is slidably provided on the support rod 500.

[0095] Specifically, when the pressing plate 140 drives the layer plate 300 to move, the pulley 600 moves on the supporting rod 500 .

[0096] See also Figure 3 A buffer plate 700 is also provided on one side of the second fixed plate 120 close to the pressing plate 140 . The buffer plate 700 is arranged parallel to the pressing plate 140 . An elastic member 800 is arranged between the buffer plate 700 and the second fixed plate 120 , and each layer plate 300 is located between the pressing plate 140 and the buffer plate 700 .

[0097] The buffer plate 700 plays a buffering role in the process in which the pressing plate 140 drives the layer plate 300 to move and press the battery, thereby preventing the layer plate 300 from crushing the battery.

[0098] The above are only preferred embodiments of the present application and are not intended to limit the present application. Any modifications, equivalent substitutions and improvements made within the spirit and principles of some applications should be included in the protection scope of some applications.

Claims

1. A driving mechanism, characterized in that: include: a first fixing plate and a second fixing plate, wherein the first fixing plate and the second fixing plate are arranged opposite to each other; A first transmission structure and a second transmission structure, wherein the first transmission structure and the second transmission structure are respectively arranged between the first fixing plate and the second fixing plate, and the first transmission structure and the second transmission structure can rotate around their own axes respectively; A pressing plate is disposed between the first fixing plate and the second fixing member, and both ends of the pressing plate are respectively threadedly connected to the first transmission structure and the second transmission structure, and when the first transmission structure and the second transmission structure rotate, the pressing plate can move along the length direction of the first transmission structure and the second transmission structure; A driving structure, comprising a driving member, a first driving shaft and a second driving shaft; The driving member is disposed on the first fixing plate, a first bevel gear is disposed at a driving end of the driving member, and the driving member drives the first bevel gear to rotate; Second bevel gears are respectively disposed at both ends of the first drive shaft and both ends of the second drive shaft; The first transmission structure and the second transmission structure are respectively provided with a third bevel gear; wherein, The second bevel gear at one end of the first drive shaft is meshed with the first bevel gear, and the second bevel gear at the other end of the first drive shaft is meshed with the third bevel gear on the first transmission structure; as well as The second bevel gear at one end of the second drive shaft is meshed with the first bevel gear, and the second bevel gear at the other end of the second drive shaft is meshed with the third bevel gear on the second transmission structure.

2. The driving mechanism according to claim 1, characterized in that: It also includes a first seat body, a second seat body and a third seat body disposed on the first fixing plate, two ends of the first driving shaft are rotatably disposed on the first seat body and the second seat body respectively, and two ends of the second driving shaft are rotatably disposed on the first seat body and the third seat body respectively; and The first bevel gears are respectively meshed with the second bevel gears in the first seat body; The second bevel gear on the first drive shaft is meshed with the third bevel gear on the first transmission structure in the second seat body; The second bevel gear on the second drive shaft is meshed with the third bevel gear on the second transmission structure in the third seat body.

3. The driving mechanism according to claim 1, characterized in that: It also includes a third transmission structure and a fourth transmission structure, wherein the third transmission structure and the fourth transmission structure are respectively arranged between the first fixed plate and the second fixed plate, and the third transmission structure and the fourth transmission structure can rotate around their own axes respectively, and the third transmission structure and the fourth transmission structure are also respectively provided with a third bevel gear; Positions near the four corners of the pressing plate are respectively threadedly connected to the first transmission structure, the second transmission structure, the third transmission structure and the fourth transmission structure; The driving structure further includes a third driving shaft and a fourth driving shaft, and both ends of the third driving shaft and the fourth driving shaft are respectively provided with the second bevel gear; as well as The second bevel gear at one end of the third drive shaft is meshed with the third bevel gear on the first transmission structure, and the second bevel gear at the other end of the third drive shaft is meshed with the third bevel gear on the third transmission structure; as well as The second bevel gear at one end of the fourth drive shaft meshes with the third bevel gear on the second transmission structure, and the second bevel gear at the other end of the fourth drive shaft meshes with the third bevel gear on the fourth transmission structure.

4. The driving mechanism according to any one of claims 1 to 3, characterized in that: The driving member is located at an end of the first fixing plate away from the pressing plate; and The third bevel gear is located on a side of the first fixing plate away from the pressing plate.

5. The driving mechanism according to claim 4, characterized in that: The first transmission structure comprises a screw and a sleeve, the two ends of the screw are rotatably disposed on the first fixing plate and the second fixing plate respectively, the screw is provided with the third bevel gear, the sleeve is threadedly connected to the screw, and the sleeve is connected to the pressing plate; and The structures of the second transmission structure, the third transmission structure and the fourth transmission structure are the same as the first transmission structure.

6. The driving mechanism according to claim 4, characterized in that: The first driving shaft and the second driving shaft are respectively located on two sides of the driving member.

7. A hot pressing jig, characterized in that: It comprises a plurality of guide shafts, a plurality of layer plates and a driving mechanism as described in any one of claims 1 to 6; wherein, The guide shaft is arranged between the first fixing plate and the second fixing plate; Both ends of each layer plate are slidably matched with one of the guide shafts, and the layer plate is arranged parallel to the pressing plate; and Each of the layer plates is located between the pressing plate and the second fixing plate, and the layer plates are parallel to each other.

8. The hot pressing jig according to claim 7, characterized in that: It also includes a chain, one end of which is connected to the pressing plate, and the other end of which is connected to the second fixing plate; Each of the layer plates is connected to the chain respectively; and When the chain is straightened by the pressing plate, the spacing between each of the layer plates is equal.

9. The hot pressing jig according to claim 7, characterized in that: Also included is a support rod, the support rod being connected between the first fixing plate and the second fixing plate; and The layer plate is provided with a pulley, and the pulley is slidably arranged on the support rod.

10. The hot pressing jig according to claim 7, characterized in that: A buffer plate is further provided on one side of the second fixing plate close to the pressing plate, the buffer plate is arranged parallel to the pressing plate, and an elastic member is arranged between the buffer plate and the second fixing plate; and Each of the layer plates is located between the pressing plate and the buffer plate.

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