CN220439675U

CN220439675U - Cell module positioning heating device

Info

Publication number: CN220439675U
Application number: CN202321377520.5U
Authority: CN
Inventors: 汪安国
Original assignee: Xiaogan Chuneng New Energy Innovation Technology Co ltd
Current assignee: Xiaogan Chuneng New Energy Innovation Technology Co ltd
Priority date: 2023-05-31
Filing date: 2023-05-31
Publication date: 2024-02-02
Anticipated expiration: 2033-05-31

Abstract

The utility model provides a positioning and heating device for an electric core module, and belongs to the technical field of new energy battery production equipment. The positioning heating device comprises a bearing assembly, a lateral clamping assembly and a top pressurizing assembly. Wherein the support assembly comprises a base and two trays. The side direction clamping assembly is arranged above the tray and comprises a first driving cylinder, a clamping plate and a first heating plate. The clamping plate is connected with the telescopic rod of the first driving cylinder, and the first heating plate is arranged on a side plate surface of the clamping plate, which is far away from the first driving cylinder. The top pressurization subassembly sets up in the tray top, including second actuating cylinder and clamp plate, the clamp plate is located between second actuating cylinder and the tray and is connected with the telescopic link of second actuating cylinder, and the orthographic projection of clamp plate on the base covers two trays. The problem that the cell module is easy to deform due to external factors in the conveying and drying processes can be solved.

Description

Cell module positioning heating device

Technical Field

The utility model relates to the technical field of new energy battery production equipment, in particular to a positioning and heating device for an electric core module.

Background

The main structure of the lithium ion battery comprises an anode pole piece, a cathode pole piece, a separation film, electrolyte, an outer packaging shell and the like. The cathode pole piece, the anode pole piece and the isolating film are alternately wound together to form a battery cell, and the battery cell is packaged by outer packaging and liquid injection, and then the battery cell is formed into a complete lithium ion battery cell by the procedures of capacity formation and the like. And finally, connecting and stacking through structural adhesive, arranging side end plates at two ends in the stacking direction, and finally binding by using a steel belt to form the lithium ion battery cell. In order to improve the volume energy density of the battery cell module, the related technology generally carries out hot press shaping on the prepared battery cell module, reduces the gap between the single battery cells and the thickness of the single battery cells, discharges the internal air and eliminates wrinkles so as to meet the specification requirement of products.

In the related art, after the primary gluing and stacking combination of the battery cell modules are completed, the battery cell modules are generally conveyed to a special heating furnace along a production line by using a module conveying tray for heating and baking, and the battery cell modules are heated in an air heat transfer mode.

In the heating process in the related art, in the process that the battery cell module is conveyed through the conveying tray and moved into the heating furnace, the single battery cells of the battery cell module are pre-bonded through the heat-conducting adhesive, relative shaking and frame scattering can occur due to vibration and incomplete drying of the structural adhesive, the structural adhesive coated between the single battery cells in the drying process can also cause different deformation after drying due to deviation of coating amount, and the battery cell module is often required to be calibrated and shaped after being moved into the heating furnace and dried, so that the drying and the overall processing efficiency of the battery cell module are affected.

Disclosure of Invention

The embodiment of the utility model provides a positioning and heating device for an electric core module, which can solve the problem that the electric core module is easy to deform due to an external factor in the conveying and drying processes. The technical scheme is as follows:

the embodiment of the utility model provides a cell module positioning and heating device, which comprises: a support assembly comprising a base and two trays spaced apart on said base;

the lateral clamping assemblies are arranged above the tray and comprise first driving cylinders, clamping plates and first heating plates, the first driving cylinders are arranged along the direction parallel to the top end face of the tray, the clamping plates are connected with telescopic rods of the first driving cylinders, the first heating plates are arranged on one side plate faces, far away from the first driving cylinders, of the clamping plates, and the two lateral clamping assemblies are symmetrically arranged relative to the bearing assemblies;

the top pressurization assembly is arranged above the tray and comprises a second driving cylinder and a pressing plate, the second driving cylinder is arranged along the direction perpendicular to the top end face of the tray, the pressing plate is positioned between the second driving cylinder and the tray and is connected with a telescopic rod of the second driving cylinder, and the orthographic projection of the pressing plate on the base covers the two trays.

Optionally, be provided with bottom lifting assembly on the base, bottom lifting assembly includes third actuating cylinder, layer board and second hot plate, the third actuating cylinder set up in inside and being located two of base between the tray, the third actuating cylinder with the coaxial opposite arrangement of second actuating cylinder, the layer board with the telescopic link of third actuating cylinder is connected, the second hot plate set up in the layer board is kept away from on the one side face of third actuating cylinder.

Optionally, the connection of the telescopic rod of the first driving cylinder and the clamping plate, the connection of the telescopic rod of the second driving cylinder and the pressing plate, and the connection of the telescopic rod of the third driving cylinder and the supporting plate are all provided with pressure sensors.

Optionally, a synthetic stone high-temperature nanomaterial plate is arranged between the pressing plate and the first heating plate and between the supporting plate and the second heating plate.

Optionally, heating temperature sensors are arranged between the first heating plate and the synthetic stone high-temperature nanomaterial plate, and between the second heating plate and the synthetic stone high-temperature nanomaterial plate.

Optionally, a plurality of groups of pressing wheels are arranged on the pressing plate, and the plurality of groups of pressing wheels are arranged at intervals along the direction perpendicular to the clamping plate.

Optionally, the spacing between the multiple sets of pinch rollers is adjustable.

Optionally, the first driving cylinder, the second driving cylinder and the third driving cylinder are electric cylinders or air cylinders.

The technical scheme provided by the embodiment of the utility model has the beneficial effects that at least:

the plate battery cell module positioning heating device can utilize the first driving cylinder in the two lateral clamping assemblies to provide power, the battery cell long module is clamped by two sides through the clamping plates and the first heating plates, meanwhile, the second driving cylinder in the top pressurizing assembly is utilized to provide power, and the pole column of the single battery cell is compressed and limited by the upper part of the battery cell long module through the pressing plate. In the clamping and conveying processes, the first heating plate can be utilized to heat and dry the structural adhesive coated between the plurality of single battery cores in the battery core long module by two sides, the structural adhesive in the assembly gap is solidified while clamping and fastening, and relative shaking and scattering are avoided. The pressing plate above the long battery cell module can limit the pole of the long battery cell module, so that fluctuation is avoided, the preset specification and size can be ensured after the long battery cell module is transported in place, the post-shaping workload is reduced, and the drying and overall processing efficiency of the long battery cell module is effectively improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a cell module positioning heating device according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a side clamping assembly according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a top pressing assembly according to an embodiment of the present utility model;

FIG. 4 is a schematic view of a bottom lift assembly according to an embodiment of the present utility model.

In the figure:

1-a support assembly; 2-a lateral clamping assembly; 3-a top pressurization assembly; 4-a bottom lift assembly; 5-a pressure sensor; 6-synthesizing a stone high-temperature nano material plate; 7-heating a temperature sensor; 8-pressing wheels; 11-a base; 12-a tray; 21-a first drive cylinder; 22-clamping plates; 23-a first heating plate; 31-a second drive cylinder; 32-pressing plates; 41-a third drive cylinder; 42-supporting plates; 43-a second heating plate; m-cell long module.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the embodiments of the present utility model will be described in further detail with reference to the accompanying drawings.

Fig. 1 is a schematic structural diagram of a cell module positioning heating device according to an embodiment of the present utility model. Fig. 2 is a schematic structural view of a lateral clamping assembly according to an embodiment of the present utility model. Fig. 3 is a schematic structural view of a top pressing assembly according to an embodiment of the present utility model. FIG. 4 is a schematic view of a bottom lift assembly according to an embodiment of the present utility model. As shown in fig. 1 to 4, by practice, an embodiment of the present utility model provides a cell module positioning heating device comprising a support assembly 1 comprising a base 11 and two trays 12 spaced apart from the base 11.

Wherein the lateral clamping assembly 2 is arranged above the tray 12 and comprises a first driving cylinder 21, a clamping plate 22 and a first heating plate 23. The first driving cylinder 21 is arranged along the direction parallel to the top end surface of the tray 12, the clamping plate 22 is connected with a telescopic rod of the first driving cylinder 21, the first heating plate 23 is arranged on a side plate surface of the clamping plate 22 far away from the first driving cylinder 21, two lateral clamping assemblies 2 are arranged, and the two lateral clamping assemblies 2 are symmetrically arranged relative to the bearing assembly 1.

The top pressurizing assembly 3 is arranged above the tray 12 and comprises a second driving cylinder 31 and a pressing plate 32. The second driving cylinder 31 is arranged along the direction perpendicular to the top end surface of the tray 12, the pressing plate 32 is positioned between the second driving cylinder 31 and the tray 12 and is connected with a telescopic rod of the second driving cylinder 31, and the orthographic projection of the pressing plate 32 on the base 11 covers the two trays 12.

In the embodiment of the utility model, when the electric core module is required to be conveyed, two trays 12 on a base 11 can be used for bonding the electric core module m after being bonded by structural adhesive, two sides of the electric core module m are provided with side end plates, and the electric core module m is supported after being pre-bonded and fixed by using binding belts. The two trays 12 may be used to position and rest the two ends of the cell long module m in the stacking direction, respectively. The base 11 can be a movable platform on the conveying line body or a conveying trolley with rollers arranged at the bottom, so that the supported battery cell long module m is horizontally conveyed. When the long battery cell module m needs to be further carried and baked and heated, the two lateral clamping assemblies 2 can be driven firstly, the first driving cylinder 21 is utilized to provide thrust, the clamping plate 22 and the first heating plate 23 are attached to two side surfaces of the long battery cell module m in the stacking direction through extension of the telescopic rod, and lateral clamping is achieved. And then the top pressurizing assembly 3 is driven, reasoning is provided by using the second driving cylinder 31, and the pressing plate 32 is pushed down by extending the telescopic rod so as to be abutted with each battery cell tab at the top of the battery cell long module m. And then, the accurate transfer of the next station can be carried out on the long battery cell module m under the state of keeping clamping the long battery cell module m through conveying mechanisms such as crown blocks and the like connected with the lateral clamping assemblies 2 and the top pressurizing assembly 3. In the conveying process, the first heating plate 23 can be utilized to heat and dry the structural adhesive coated between the plurality of single battery cores in the battery core long module m from two sides, so that the structural adhesive in the assembly gap is solidified while clamping and fastening, and relative shaking and scattering are avoided. The pressing plate 32 above the long battery cell module m can limit the pole of the long battery cell module m, so that the fluctuation of the pole is avoided, the preset specification and size can be ensured after the long battery cell module m is transported in place, the post-shaping workload is reduced, and the drying and overall processing efficiency of the long battery cell module is effectively improved.

Optionally, the base 11 is provided with a bottom lifting assembly 4, the bottom lifting assembly 4 includes a third driving cylinder 41, a supporting plate 42 and a second heating plate 43, the third driving cylinder 41 is disposed inside the base 11 and between the two trays 12, the third driving cylinder 41 and the second driving cylinder 31 are disposed in a coaxial opposite manner, the supporting plate 42 is connected with a telescopic rod of the third driving cylinder 41, and the second heating plate 43 is disposed on a side plate surface of the supporting plate 42 away from the third driving cylinder 41. Illustratively, in the embodiment of the present utility model, before the long battery cell module m is clamped and conveyed by the lateral clamping assembly 2, the third driving cylinder 41 may be used to provide power, and the supporting plate 42 and the second heating plate 43 support the bottom of the long battery cell module m and lift the same away from the two trays 12 through extension of the telescopic rod, so as to avoid interference and collision during lateral clamping. Through the in-process that lifts, can utilize the heat release of second hot plate 43, have the bottom of the long module m of electric core to heat the stoving to the structural adhesive that coats between a plurality of monomer electric cores in the long module m of electric core, further guarantee the structural adhesive solidification in the fit-up gap, guarantee location heating effect, reduce later stage plastic work load, improve the stoving and the whole machining efficiency of electric core module.

Illustratively, in the embodiment of the present utility model, the first heating plate 23 and the second heating plate 43 are both made of an outer coated brass material, and have a composite structure with far infrared heating plates disposed therein.

Alternatively, the connection of the telescopic rod of the first driving cylinder 21 and the clamping plate 22, the connection of the telescopic rod of the second driving cylinder 31 and the pressing plate 32, and the connection of the telescopic rod of the third driving cylinder 41 and the supporting plate 42 are all provided with pressure sensors 5. Illustratively, in the embodiment of the present utility model, by providing the pressure sensor 5 at the stress concentration position of the end of the telescopic rod of each driving cylinder, the mutual stress intensity of the clamping plate 22, the pressing plate 32 and the supporting plate 42 when contacting the cell long module m can be monitored in real time in a communication connection manner. Thereby, the first driving cylinder 21, the second driving cylinder 31 and the third driving cylinder 41 are adaptively controlled and adjusted, and excessive or insufficient clamping force and pressing force are avoided.

Optionally, a synthetic stone high temperature nanomaterial plate 6 is padded between the pressing plate 32 and the first heating plate 23, and between the pallet 42 and the second heating plate 43. Illustratively, in the embodiment of the present utility model, by disposing the synthetic stone high temperature nanomaterial plate 6 made of a composite nanomaterial such as a short glass felt and a high strength epoxy resin between the contact surfaces of the pressing plate 32 and the first heating plate 23, and between the supporting plate 42 and the second heating plate 43, the heat transfer to the driving side is effectively prevented by utilizing the characteristics of low heat conduction, flame retardance, high temperature resistance, static electricity resistance and chemical corrosion, and the service life and safety of the cell module positioning heating device at the heating end are improved.

Optionally, a heating temperature sensor 7 is provided between the first heating plate 23 and the synthetic stone high temperature nanomaterial plate 6, and between the second heating plate 43 and the synthetic stone high temperature nanomaterial plate 6. Illustratively, in the embodiment of the present utility model, by disposing the heating temperature sensor 7 adjacent to the connection position of the first heating plate 23 and the second heating plate 43, the temperatures of the first heating plate 23 and the second heating plate 43 can be monitored in real time by means of communication connection, so as to facilitate temperature adjustment control and avoid excessively high or insufficient heating temperature.

Optionally, multiple sets of pinch rollers 8 are provided on platen 32, with the multiple sets of pinch rollers 8 being spaced apart in a direction perpendicular to clamping plate 22. Illustratively, in the embodiment of the present utility model, in addition to directly pressing down the electrode posts on the cell long module m by using the pressing plate 32, a corresponding pressing wheel 8 may be disposed at a position corresponding to the positive and negative electrode posts to perform corresponding pressing. The arc wheel surface is adopted to be in contact with the battery core pole more smoothly, so that the pole can be prevented from being worn by compression injury. The pole provided by the embodiment of the utility model is an ultra-high molecular polyethylene pinch roller.

Alternatively, the spacing between sets of pinch rollers 8 may be adjustable. For example, in the embodiment of the present utility model, a lateral chute or a sliding rail may be disposed on the lower plate surface of the pressing plate 32 corresponding to the pressing wheel 8, and the distance between the two groups of pressing wheels 8 for pressing the positive and negative electrode columns is correspondingly adjusted according to the width of the long battery cell module m that is clamped and conveyed according to actual needs, so as to improve the adaptability.

Alternatively, the first drive cylinder 21, the second drive cylinder 31, and the third drive cylinder 41 are electric cylinders or air cylinders.

Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs. The terms "first," "second," and the like in the description and in the claims, are not used for any order, quantity, or importance, but are used for distinguishing between different elements. Likewise, the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. The word "comprising" or "comprises", and the like, is intended to mean that elements or items that are present in front of "comprising" or "comprising" are included in the word "comprising" or "comprising", and equivalents thereof, without excluding other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to denote relative positional relationships, which may also change accordingly when the absolute position of the object to be described changes.

The foregoing description of the preferred embodiments of the present utility model is not intended to limit the utility model, but rather, the utility model is to be construed as limited to the appended claims.

Claims

1. A cell module positioning heating device, comprising:

a support assembly (1) comprising a base (11) and two trays (12) spaced apart on said base (11);

the lateral clamping assembly (2) is arranged above the tray (12) and comprises a first driving cylinder (21), clamping plates (22) and a first heating plate (23), wherein the first driving cylinder (21) is arranged along the direction parallel to the top end face of the tray (12), the clamping plates (22) are connected with telescopic rods of the first driving cylinder (21), the first heating plate (23) is arranged on one side plate surface, away from the first driving cylinder (21), of the clamping plates (22), the two lateral clamping assemblies (2) are symmetrically arranged relative to the bearing assembly (1);

top pressurization subassembly (3), set up in tray (12) top, including second actuating cylinder (31) and clamp plate (32), second actuating cylinder (31) are followed perpendicularly the direction of tray (12) top terminal surface is arranged, clamp plate (32) are located second actuating cylinder (31) with between tray (12) and with telescopic link of second actuating cylinder (31) is connected, clamp plate (32) are in orthographic projection on base (11) covers two tray (12), be provided with multiunit pinch roller (8) on clamp plate (32), multiunit pinch roller (8) are followed perpendicularly the direction interval arrangement between clamp plate (22), interval between multiunit pinch roller (8) is adjustable.

2. The cell module positioning heating device according to claim 1, wherein a bottom lifting assembly (4) is arranged on the base (11), the bottom lifting assembly (4) comprises a third driving cylinder (41), a supporting plate (42) and a second heating plate (43), the third driving cylinder (41) is arranged inside the base (11) and between the two trays (12), the third driving cylinder (41) and the second driving cylinder (31) are arranged in a coaxial opposite mode, the supporting plate (42) is connected with a telescopic rod of the third driving cylinder (41), and the second heating plate (43) is arranged on a side face, away from the third driving cylinder (41), of the supporting plate (42).

3. The cell module positioning heating device according to claim 2, wherein pressure sensors (5) are provided at the connection of the telescopic rod of the first driving cylinder (21) and the clamping plate (22), at the connection of the telescopic rod of the second driving cylinder (31) and the pressing plate (32), and at the connection of the telescopic rod of the third driving cylinder (41) and the supporting plate (42).

4. The cell module positioning heating device according to claim 2, characterized in that a synthetic stone high temperature nanomaterial plate (6) is padded between the pressing plate (32) and the first heating plate (23) and between the supporting plate (42) and the second heating plate (43).

5. Cell module positioning heating device according to claim 4, characterized in that a heating temperature sensor (7) is arranged between the first heating plate (23) and the synthetic stone high temperature nanomaterial plate (6) and between the second heating plate (43) and the synthetic stone high temperature nanomaterial plate (6).

6. The cell module positioning heating device according to claim 2, characterized in that the first drive cylinder (21), the second drive cylinder (31) and the third drive cylinder (41) are electric cylinders or air cylinders.