Hot pressing equipment

Abstract

The present invention discloses a chemical formation hot pressing device, comprising: a support, a layer plate, an aging plate, a heating device, a clamp plate and a power mechanism; the layer plate is fixed on the support, the heating device is used to heat the layer plate, the layer plate is used to support the aging plate, the aging plate is used to clamp the battery core, the power mechanism is used to drive the clamp plate to move, so that the clamp plate is pressed on the aging plate or the clamp plate is loosened from the aging plate, the layer plate is provided with a rolling body for supporting the aging plate, and the layer plate is also provided with two guide strips for cooperating with the left and right sides of the aging plate. When the aging plate is pushed forward by the two guide strips arranged on the layer plate, under the support of the rolling body, the wear between the aging plate and the aging plate can be effectively reduced, thereby improving its service life, and the aging plate can also be pushed forward to connect with the adapter plate, and secondly, the rolling body can also play a role in supporting the aging plate, thereby improving the stability of the aging plate.

Description

Technical Field

[0001] The invention relates to the technical field of battery core production equipment, in particular to a formation hot pressing equipment. Background Art

[0002] The hot pressing equipment is mainly used for the production of battery cells. It mainly includes components such as hot pressing forming fixtures, layer fixtures and heating devices. The hot pressing forming fixtures have multiple layers of layers and multiple layers of aging boards, and one layer corresponds to one aging board.

[0003] In the process of pushing the aging board into the layer board, it is easy to cause the aging board to tilt and the aging board and the layer board to wear, thereby affecting its service life and the production quality of the battery cell.

[0004] Secondly, after the aging board slot is inserted into the layer board slot, the servo motor drives the fixture pressure plate to press the layer board downward. During this process, the adapter board needs to be pressed down with the aging board, rather than with the layer board. Therefore, the adapter board needs to be connected to the layer board at a certain distance. Otherwise, when the layer board is pressed down, the adapter board and the aging board will be misaligned up and down, thereby damaging the adapter board slot. In addition, when the aging board is pushed into the layer board and the adapter board is inserted, the aging board slot and the adapter board slot need to be flush with each other. Otherwise, the aging board cannot be inserted into the adapter board. When the fixture pressure plate presses the layer board downward, the adapter board needs to be in a suspended state and pressed down synchronously with the aging board.

[0005] Therefore, how to provide a formation hot pressing device to improve the production quality of battery cells and the service life of the equipment is a technical problem that technicians in this field urgently need to solve. Summary of the invention

[0006] The purpose of the present invention is to provide a formation hot pressing device, which can effectively solve the problems of poor battery cell production quality and short equipment service life.

[0007] In order to solve the above technical problems, the present invention provides the following technical solutions:

[0008] A chemical formation hot pressing equipment comprises: a bracket, a layer plate, an aging plate, a heating device, a clamp plate and a power mechanism; the layer plate is fixed on the bracket, the heating device is used to heat the layer plate, the layer plate is used to support the aging plate, the aging plate is used to clamp the battery cell, the power mechanism is used to drive the clamp plate to move so that the clamp plate is pressed against the aging plate or the clamp plate is loosened from the aging plate, the layer plate is provided with a rolling body for supporting the aging plate, and the layer plate is also provided with two guide strips for cooperating with the left and right sides of the aging plate.

[0009] Preferably, an adapter plate, a supporting portion and a driving portion are provided at the rear portion of the layer plate, and the driving portion is used to drive the supporting portion to move to the bottom of the adapter plate and support the adapter plate when the aging board is not inserted into the adapter plate, so that the slot of the adapter plate and the slot of the aging board are located in the same horizontal plane; and is used to drive the supporting portion to move out from the bottom of the adapter plate when the aging board is inserted into the adapter plate, so as to release the supporting force of the supporting portion on the adapter plate.

[0010] Preferably, the supporting portion includes a ball and a bearing portion, the bearing portion is provided with a step surface for the ball to roll, the intersection surface of the step surface is an inclined surface, the driving portion is specifically a spring, the spring compression support is on one end of the bearing portion, the end is the end inclined towards the inclined surface, and the end of the bearing portion away from the spring is provided with a pushing portion for contacting the aging board.

[0011] Preferably, the bracket includes a support rod that passes through the layer plate and the clamp pressure plate in sequence, and the power mechanism includes a screw rod threadedly connected to the clamp pressure plate, and a power unit for driving the screw rod to rotate, and the axes of the screw rod and the support rod are parallel to each other.

[0012] Preferably, at least one screw rod is threadedly connected to each of the left and right sides of the clamp pressure plate, and the power unit is used to drive the screw rods to rotate uniformly through a transmission mechanism.

[0013] Preferably, the bracket is provided with a plurality of layer plates arranged parallel to each other, and each layer plate is correspondingly installed with one aging board.

[0014] Preferably, the aging board is provided with a hand-pushing portion protruding outwards.

[0015] Preferably, a plurality of the rolling bodies are disposed on the layer plate, and the plurality of the rolling bodies are arranged in two rows on the left and right sides of the upper portion of the layer plate, and the arrangement direction of the rolling bodies and the length extension direction of the guide strip are parallel to each other.

[0016] Preferably, the heating device comprises a plurality of heating tubes which are arranged side by side and are evenly spaced within the layer plate.

[0017] Preferably, it also includes a controller and a temperature sensor for detecting the temperature of the layer plate. The controller is connected to the heating tube and the temperature sensor and is used to adjust the heating value of the heating tube when the temperature detected by the temperature sensor does not meet the preset temperature threshold.

[0018] Compared with the prior art, the above technical solution has the following advantages:

[0019] The present invention provides a hot-pressing device for forming, comprising: a support, a layer plate, an aging plate, a heating device, a clamp plate and a power mechanism; the layer plate is fixed on the support, the heating device is used to heat the layer plate, the layer plate is used to support the aging plate, the aging plate is used to clamp the battery cell, the power mechanism is used to drive the clamp plate to move, so that the clamp plate is pressed on the aging plate or the clamp plate is loosened from the aging plate, the layer plate is provided with a rolling body for supporting the aging plate, and the layer plate is also provided with two guide strips for cooperating with the left and right sides of the aging plate. When in use, the battery cell is manually clamped on the aging plate, and then the aging plate is pushed into the layer plate, the layer plate can be heated by the heating device, so that the battery cell is heated, the power mechanism drives the clamp plate to press from top to bottom, press the layer plate, and preset a certain pressure range, and perform hot-pressing forming of the battery cell, after the forming is completed, the clamp plate is driven upward by the power mechanism, and the aging plate can be taken out from the layer plate. In addition, when the aging board is pushed forward by the two guide strips arranged on the layer plate, the support of the rolling body can effectively reduce the wear between the aging board and the aging board, thereby increasing its service life. It can also facilitate the aging board to be pushed forward and connected with the adapter plate. Secondly, the rolling body can also play a role in supporting the aging board, thereby improving the stability of the aging board. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the present invention or the prior art, 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 some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 A schematic structural diagram of a formation hot pressing device provided in a specific embodiment of the present invention;

[0022] Figure 2 A top view of a layer plate of a forming hot pressing device provided in a specific embodiment of the present invention after an aging plate is installed on the layer plate;

[0023] Figure 3 A top view of a layer plate of a formation hot pressing device provided in a specific embodiment of the present invention.

[0024] The reference numerals are as follows:

[0025] 1 is a layer plate, 11 is a rolling body, 12 is a guide strip, 13 is a heating tube, 14 is a temperature sensing probe, 2 is an aging plate, 21 is a hand push part, 3 is a clamp pressure plate, 4 is a support rod, 5 is a screw rod, 6 is a gear assembly, 7 is a motor, and 8 is an adapter plate. DETAILED DESCRIPTION

[0026] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and understandable, the specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0027] In the following description, specific details are set forth to facilitate a full understanding of the present invention. However, the present invention can be implemented in a variety of other ways than those described herein, and those skilled in the art can make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0028] Please refer to Figure 1-Figure 3 , Figure 1 A schematic structural diagram of a formation hot pressing device provided in a specific embodiment of the present invention; Figure 2 A top view of a layer plate of a forming hot pressing device provided in a specific embodiment of the present invention after an aging plate is installed on the layer plate; Figure 3 A top view of a layer plate of a formation hot pressing device provided in a specific embodiment of the present invention.

[0029] A specific embodiment of the present invention provides a chemical formation hot pressing equipment, including: a bracket, a layer plate 1, an aging board 2, a heating device, a clamp plate 3 and a power mechanism; the layer plate 1 is fixed on the bracket, the heating device is used to heat the layer plate 1, the layer plate 1 is used to support the aging board 2, the aging board 2 is used to clamp the battery cell, the power mechanism is used to drive the clamp plate 3 to move so that the clamp plate 3 is pressed tightly on the aging board 2 or the clamp plate 3 is loosened from the aging board 2, the layer plate 1 is provided with a rolling body 11 for supporting the aging board 2, and the layer plate 1 is also provided with two guide strips 12 for cooperating with the left and right sides of the aging board 2.

[0030] In this embodiment, the battery cell is manually clamped on the aging board 2, and then the aging board 2 is pushed into the layer board 1. The layer board 1 can be heated by the heating device to heat the battery cell. The power mechanism drives the clamp plate 3 to press from top to bottom to press the layer board 1, and a certain pressure range is preset to perform hot pressing of the battery cell. After the formation is completed, the clamp plate 3 is driven upward by the power mechanism to remove the aging board 2 from the layer board 1. In addition, when the aging board 2 is pushed forward by the two guide strips 12 provided on the layer board 1, with the support of the rolling body 11, the wear between the aging board 2 and the aging board 2 can be effectively reduced, thereby increasing its service life. It can also facilitate the aging board 2 to be pushed forward and connected to the adapter board 8. Secondly, the rolling body 11 can also support the aging board 2, thereby increasing the stability of the aging board 2.

[0031] In one embodiment of the present invention, an adapter plate 8, a supporting portion and a driving portion are provided at the rear portion of the layer plate 1. The driving portion is used to drive the supporting portion to move to the bottom of the adapter plate 8 and support the adapter plate 8 when the aging board 2 is not inserted into the adapter plate 8, so that the slot of the adapter plate 8 and the slot of the aging board 2 are located in the same horizontal plane; and is used to drive the supporting portion to move out from the bottom of the adapter plate 8 when the aging board 2 is inserted into the adapter plate 8, so as to release the supporting force of the supporting portion on the adapter plate 8. When the aging board 2 is not inserted into the adapter board 8, the adapter board 8, under the support of the support part, makes its slot and the slot of the aging board 2 located in the same horizontal plane, that is, the adapter board 8 is in a floating plate support state; when the slot of the aging board 2 is inserted into the layer board 1, the support part will release its support for the adapter board 8, that is, the adapter board 8 is in a floating plate unloading state, at this time, the clamp pressure plate 3 can press the layer board 1, and the adapter board 8 will press down with the aging board 2, and the battery cell will be heated and pressurized to form a process. After the formation process is completed, the clamp pressure plate 3 rises, driving the layer board 1 and the aging board 2 to rise, and the aging board 2 drives the adapter board 8 to rise. After the aging board 2 is pulled out, the driving part will drive the support part to support the adapter board 8 again. Therefore, the floating connection structure of the adapter board 8 provided in this embodiment can effectively avoid the risk of the adapter board 8 being damaged.

[0032] Specifically, the supporting part includes a ball and a bearing part. The bearing part is provided with a step surface for the ball to roll on. The intersection of the step surfaces is an inclined surface. The driving part is specifically a spring. The spring compression support is at one end of the bearing part, which is an end inclined toward the inclined surface. The end of the bearing part away from the spring is provided with a pushing part for contacting the aging board 2.

[0033] The step surface can improve the stability of the ball bearing when supporting the adapter plate 8, that is, when the ball bearing is located on the upper surface of the step surface at a higher position, the ball bearing supports the adapter plate 8; when the ball bearing is located on the upper surface of the step surface at a lower position, the adapter plate 8 is in a floating plate support state. The inclined surface facilitates the rolling of the ball bearing.

[0034] When the layer board 1 is not inserted into the slot of the aging board 2, the bearing part moves toward the aging board 2 under the elastic force of the spring, and the ball can slide upward along the inclined surface of the step surface to support its adapter plate 8. In order to facilitate the movement of the bearing part, a guide block for the bearing part to slide horizontally can be set. The guide block can be set at the bottom of the bearing part, and the bearing part can be prevented from shifting; after the slot of the aging board 2 is inserted into the layer board 1, the aging board 2 contacts the pushing part, the spring is compressed, and the ball rolls down from the step surface. At this time, the adapter plate 8 is not supported by the ball.

[0035] The pushing part can be a protrusion arranged at the rear end of the bearing part. In addition, in order to ensure the stability of the adapter plate 8, a group of floating connection structures can be arranged on both sides of the adapter plate 8, and the adapter plate 8 floating blocks can be arranged on both sides of the adapter plate 8. The adapter plate 8 floating blocks are vertically interspersed with guide pillars to control the stability of its up and down movement. The adapter plate 8 floating block is provided with a floating block force sheet extending outward, and the floating block force sheet can be fixed to the adapter plate 8 floating block by bolts. The ball bearing can be arranged at the bottom of the floating block force sheet, so that under the thrust of the spring, the ball bearing plays the role of supporting the floating block force sheet.

[0036] Furthermore, the bracket includes a support rod 4 that passes through the layer plate 1 and the clamp plate 3 in sequence, and the power mechanism includes a screw rod 5 that is threadedly connected to the clamp plate 3, and a power unit for driving the screw rod 5 to rotate, and the axes of the screw rod 5 and the support rod 4 are parallel to each other. A plurality of support rods 4 arranged along the circumference of the layer plate 1 can be provided to improve the support stability of the layer plate 1. In addition, under the drive of the power unit, the screw rod 5 rotates, thereby driving the clamp plate 3 to move up and down, so as to achieve the purpose of the clamp plate 3 pressing or loosening the aging plate 2.

[0037] Specifically, at least one screw rod 5 is threadedly connected to each of the left and right sides of the clamp plate 3, and the power unit is used to drive the screw rods 5 to rotate uniformly through a transmission mechanism. The transmission mechanism can be a gear assembly 6, and the power unit is preferably a motor 7. The motor 7 drives the screw rods 5 to rotate uniformly under the transmission of the gear assembly 6 to achieve stable movement of the clamp plate 3.

[0038] In order to improve the production efficiency of the battery cells, a plurality of layer plates 1 arranged parallel to each other are provided on the bracket, and an aging board 2 is installed corresponding to each layer plate 1 .

[0039] Further, the aging board 2 is provided with a hand-pushing portion 21 protruding outwards. The hand-pushing portion 21 can facilitate the user to push the aging board 2 and also facilitate the aging board 2 to be pulled out from the layer board 1.

[0040] In one embodiment of the present invention, a plurality of rolling bodies 11 are provided on the layer plate 1, and the plurality of rolling bodies 11 are arranged in two rows on the left and right sides of the upper part of the layer plate 1, and the arrangement direction of the rolling bodies 11 and the length extension direction of the guide strip 12 are parallel to each other. The arrangement of multiple rows of rolling bodies 11 is conducive to improving the installation stability of the aging board 2. In addition, the rolling bodies 11 arranged in this arrangement manner can be supported by the rolling bodies 11 every time the aging board 2 is pushed in a certain distance, thereby improving the stability of the aging board 2 when it is pushed into the layer plate 1. The rolling body 11 is preferably a plunger ball. The plunger ball is preferably detachably connected to the layer plate 1, and when it is worn, it can be replaced without replacing the entire layer plate 1, thereby further improving the service life of the layer plate 1.

[0041] Furthermore, the heating device includes a plurality of heating tubes 13 arranged side by side and at equal intervals in the layer plate 1. For example, five heating tubes 13 are arranged side by side and at equal intervals in the body of the layer plate 1 to improve the uniformity of heating of the layer plate 1, thereby improving the production quality of the battery cell.

[0042] Furthermore, it also includes a controller and a temperature sensor for detecting the temperature of the layer plate 1. The controller is connected to the heating tube 13 and the temperature sensor, and is used to adjust the heating amount of the heating tube 13 when the temperature detected by the temperature sensor does not meet the preset temperature threshold. The temperature sensor includes a temperature sensing probe 14 arranged on the left and right sides of the front of the layer plate 1. Through the temperature sensor, the heating temperature can be accurately known, so as to accurately control the heating temperature of the layer plate 1. The temperature of the layer plate 1 can be accurately controlled by the controller to be within the preset temperature threshold range, thereby improving the production quality of the battery cell.

[0043] The various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referenced to each other.

[0044] The above is a detailed introduction to the formation hot pressing equipment provided by the present invention. Specific examples are used herein to illustrate the principles and implementation methods of the present invention, and the description of the above embodiments is only used to help understand the method of the present invention and its core idea. It should be pointed out that for those of ordinary skill in the art, without departing from the principles of the present invention, the present invention can also be improved and modified in a number of ways, and these improvements and modifications also fall within the scope of protection of the claims of the present invention. The above description of the disclosed embodiments enables professionals and technicians in this field to implement or use the present invention. The various modifications to these embodiments will be obvious to professionals and technicians in this field, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest range consistent with the principles and novel features disclosed herein.

Claims

1. A chemical forming hot pressing device, characterized in that: include: A bracket, a layer plate, an aging board, a heating device, a clamp plate and a power mechanism; the layer plate is fixed on the bracket, the heating device is used to heat the layer plate, the layer plate is used to support the aging board, the aging board is used to clamp the battery cell, the power mechanism is used to drive the clamp plate to move so that the clamp plate is pressed tightly on the aging board or the clamp plate is loosened from the aging board, the layer plate is provided with a rolling body for supporting the aging board, and the layer plate is also provided with two guide strips for cooperating with the left and right sides of the aging board; The rear part of the layer plate is provided with an adapter plate, a support part and a driving part, and the driving part is used to drive the supporting part to move to the bottom of the adapter plate and support the adapter plate when the aging plate is not inserted into the adapter plate, so that the slot of the adapter plate and the slot of the aging plate are located in the same horizontal plane; and used for driving the support portion to move out from the bottom of the adapter plate when the aging board is inserted into the adapter plate, so as to release the support force of the support portion on the adapter plate; The support portion includes a ball and a bearing portion, the bearing portion is provided with a stepped surface for the ball to roll, the intersection of the stepped surface is an inclined surface, the driving portion is specifically a spring, the spring is compressed and supported at one end of the bearing portion, the end is close to the inclined surface, and the end of the bearing portion away from the spring is provided with a pushing portion for contacting the aging board; The bracket includes a support rod that passes through the layer plate and the clamp pressure plate in sequence, and the power mechanism includes a screw rod that is threadedly connected to the clamp pressure plate and a power unit for driving the screw rod to rotate. The axes of the screw rod and the support rod are parallel to each other.

2. The formation hot pressing equipment according to claim 1, characterized in that: At least one screw rod is threadedly connected to each of the left and right sides of the clamp pressure plate, and the power unit is used to drive the screw rods to rotate uniformly through a transmission mechanism.

3. The formation hot pressing equipment according to claim 1, characterized in that: The bracket is provided with a plurality of layer plates arranged in parallel with each other, and each layer plate is correspondingly installed with an aging board.

4. The formation hot pressing equipment according to claim 3, characterized in that: The aging board is provided with a hand-pushing portion protruding outwards.

5. The formation hot pressing equipment according to claim 1, characterized in that: A plurality of the rolling bodies are arranged on the layer plate, and the plurality of the rolling bodies are arranged in two rows on the left and right sides of the upper portion of the layer plate, and the arrangement direction of the rolling bodies and the length extension direction of the guide strip are parallel to each other.

6. The chemical formation hot pressing equipment according to any one of claims 1 to 5, characterized in that: The heating device comprises a plurality of heating tubes which are arranged side by side and are evenly spaced and distributed in the layer plate.

7. The formation hot pressing equipment according to claim 6, characterized in that: It also includes a controller and a temperature sensor for detecting the temperature of the layer plate. The controller is connected to the heating tube and the temperature sensor and is used to adjust the heating value of the heating tube when the temperature detected by the temperature sensor does not meet the preset temperature threshold.

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