Pre-packaging equipment

Abstract

The utility model belongs to the technical field of battery packaging, and discloses pre-packaging equipment. The pre-packaging equipment comprises a press-fitting table, a press roller, a packaging head and a driving device, wherein the press-fitting table is used for bearing a battery cell aluminum plastic bag; the compression roller is rotationally arranged and is used for rolling the battery cell aluminum plastic bag on the press-fitting table; the packaging head and the pressing roller are arranged in a spaced mode in the first direction, and the packaging head is used for hot melting and packaging the battery cell aluminum plastic bag on the press-fitting table; the press-fitting table is connected to the driving device, and the driving device is used for driving the press-fitting table to sequentially pass through the pressing roller and the packaging head in the first direction; or, the pressing roller and the packaging head are connected to the driving device, and the driving device is used for driving the pressing roller and the packaging head to sequentially pass through the press-fitting table in the first direction. According to the pre-packaging equipment, flattening and packaging operation on the battery cell aluminum-plastic bag can be achieved, so that the situation that the battery cell aluminum-plastic bag is wrinkled and uneven after being pre-packaged is avoided, and the sealing effect of subsequent complete packaging is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery packaging technical field especially relates to a pre-packaging equipment. BACKGROUND

[0002] Soft package lithium battery will pass four packaging processing in the production process: top seal, side seal, liquid injection presealing and degassing two seals, and before liquid injection presealing, need to package the edge position of the electric core on the aluminum plastic film to fix the position of the electric core in the aluminum plastic film to facilitate the subsequent packaging step from the need of limiting the internal electric core of aluminum plastic film. But at present, when presealing, the aluminum plastic film will be deformed because of the existence of internal electric core, and then lead to uneven outer surface, so that the pressure angle part of the aluminum plastic film after presealing is completed produces the wrinkle, and this part of wrinkle will affect the quality of subsequent packaging, and then will lead to the electric core liquid leakage, thereby causing serious safety accident. UTILITY MODEL CONTENTS

[0003] The utility model discloses a pre-packaging equipment can realize the automatic pre-packaging of electric core aluminum plastic bag, simple structure, convenient operation.

[0004] To achieve this purpose, the utility model adopts the following technical scheme:

[0005] The utility model provides a pre-packaging equipment, which comprises:

[0006] The pressing table is used for supporting the electric core aluminum plastic bag.

[0007] The compression roller is rotatably arranged, and is used for rolling and pressing the electric core aluminum plastic bag on the pressing table.

[0008] The sealing head is arranged in the first direction and is spaced apart from the compression roller, and is used for hot melting and sealing the electric core aluminum plastic bag on the pressing table.

[0009] The driving device is connected to the pressing table, and is used for driving the pressing table to pass through the compression roller and the sealing head in the first direction in turn.

[0010] Alternatively, the compression roller and the sealing head are respectively connected to the driving device, and the driving device is used for driving the compression roller and the sealing head to pass through the pressing table in the first direction in turn.

[0011] As a preferred, the pre-packaging equipment further comprises a control unit and a sensor, the control unit is electrically connected with the sealing head and the driving device, and the control unit is used for controlling the start and stop of the sealing head and the driving device.

[0012] The inductor is used for detecting whether the aluminum plastic bag of the battery cell on the pressing station is placed in place, and the inductor can deliver a signal to the control unit.

[0013] Preferably, the pre-sealing device further comprises a mounting plate, and the pressing roller and the inductor are arranged on the mounting plate.

[0014] Preferably, the pre-sealing device further comprises a base, and the pressing station, the mounting plate and the driving device are arranged on the base.

[0015] Preferably, a limiting block is arranged on the pressing station, and the aluminum plastic bag of the battery cell abuts against the limiting block when the pressing roller rolls the aluminum plastic bag of the battery cell.

[0016] Preferably, the driving device comprises a driving motor, a lead screw, a guide rail and a sliding block, the guide rail is arranged along the first direction, the lead screw is connected to the driving motor in parallel with the guide rail, the driving motor can drive the lead screw to rotate, the lead screw is arranged through the sliding block and threadedly cooperates with the sliding block, the sliding block is slidingly arranged on the guide rail, and the pressing station is connected to the sliding block.

[0017] Preferably, a plurality of driving devices are arranged at intervals, and the plurality of driving devices are respectively connected to the pressing station.

[0018] The pre-sealing device provided by the utility model has the advantages that:

[0019] The pre-sealing device provided by the utility model has the advantages that: BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is a structure schematic view of the pre-sealing device provided by the utility model before sealing.

[0021] Figure 2 is a structure schematic view of the pre-sealing device provided by the utility model when sealing.

[0022] In the drawings:

[0023] 100 - aluminum-plastic bag of the battery cell;

[0024] 1 - pressing station; 11 - limiting stopper;

[0025] 2 - pressing roller;

[0026] 3 - packaging head;

[0027] 4 - driving device;

[0028] 5 - inductor;

[0029] 6 - mounting plate. DETAILED DESCRIPTION

[0030] The utility model will be described in further detail below in combination with the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the utility model and are not limited to the utility model. In addition, it should be noted that, in order to facilitate the description, only the part related to the utility model is shown in the drawings, not all structures.

[0031] In the description of the utility model, unless otherwise explicitly specified and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship of two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0032] In the utility model, unless otherwise explicitly specified and limited, the first feature "on" or "below" the second feature can include that the first and second features are in direct contact, or the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the first feature "on", "above" and "on" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0033] In the description of the present embodiment, the terms "upper", "lower", "right", "left" and the like orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0034] As shown in Figure 1 and Figure 2 The utility model provides a kind of pre-packaging equipment, which comprises a press bench 1, a compression roller 2, a packaging head 3 and a driving device 4.The press bench 1 is used to support the aluminum-plastic bag 100 of battery cell.The compression roller 2 is rotatably arranged, and is used to roll and press the aluminum-plastic bag 100 of battery cell on the press bench 1.The packaging head 3 is arranged apart from the compression roller 2 along a first direction, and is used to heat and seal the aluminum-plastic bag 100 of battery cell on the press bench 1.The press bench 1 is connected to the driving device 4, and the driving device 4 is used to drive the press bench 1 to pass through the compression roller 2 and the packaging head 3 in turn along the first direction.Or, the compression roller 2 and the packaging head 3 are respectively connected to the driving device 4, and the driving device 4 is used to drive the compression roller 2 and the packaging head 3 to pass through the press bench 1 in turn along the first direction.In the present embodiment, the press bench 1 is used to support the aluminum-plastic bag 100 of battery cell.Because the pre-packaging equipment also includes the compression roller 2 and the packaging head 3, the rotatably arranged compression roller 2 can roll and press the aluminum-plastic bag 100 of battery cell on the press bench 1 to make the aluminum-plastic bag 100 of battery cell tensioned and flat, and the packaging head 3 can heat the aluminum-plastic bag 100 of battery cell to make it heat and bond, thereby completing pre-sealing.It can be understood that, in the present embodiment, the packaging head 3 is used to pre-seal the aluminum-plastic bag 100 of battery cell, i.e., the packaging head 3 only needs to locally seal the aluminum-plastic bag 100 of battery cell at the edge position of the battery cell, and the purpose is to fix the position of the battery cell in the aluminum-plastic bag 100 of battery cell.Because the pre-packaging equipment also includes the driving device 4, the driving device 4 can drive the press bench 1 to pass through the compression roller 2 and the packaging head 3 in turn along the first direction, or drive the compression roller 2 and the packaging head 3 to pass through the press bench 1 in turn along the first direction, so that the pre-packaging equipment can realize the flattening and sealing operation of the aluminum-plastic bag 100 of battery cell, thereby avoiding the situation that the aluminum-plastic bag 100 of battery cell is wrinkled and uneven after pre-sealing, and ensuring the sealing effect of subsequent complete sealing.Meanwhile, the pre-packaging equipment realizes the continuous operation of automatic flattening and sealing, improves work efficiency, and saves manpower.

[0035] In the present embodiment, the driving device 4 can be connected to the press bench 1 to drive the press bench 1 to approach the compression roller 2 and the packaging head 3 along the first direction, or the driving device 4 can be connected to the compression roller 2 and the packaging head 3 to drive them to approach the press bench 1 along the first direction. Figure 1As shown, the pressing platform 1 is connected to the driving device 4, and the driving device 4 can drive the pressing platform 1 to move along the first direction, so that the battery core aluminum-plastic bag 100 on the pressing platform 1 passes under the pressing roller 2 and the packaging head 3 in sequence; due to the rotating arrangement of the pressing roller 2, when the battery core aluminum-plastic bag 100 passes under the pressing roller 2, it can be abutted against the pressing roller 2, thereby driving the pressing roller 2 to rotate, and the pressing roller 2 can roll the battery core aluminum-plastic bag 100 while rotating; then, the pressing platform 1 drives the battery core aluminum-plastic bag 1 00 passes under the packaging head 3, which is an aluminum-plastic film heat sealing machine commonly used in this field, and has a metal head that abuts the battery cell aluminum-plastic bag 100. After the metal head is powered on and heated, it descends to press against the battery cell aluminum-plastic bag 100, thereby hot-melting the battery cell aluminum-plastic bag 100 to achieve point sealing; since the packaging head 3 and the pressing roller 2 are spaced apart along the first direction, and the battery cell aluminum-plastic bag 100 passes through the pressing roller 2 first, the battery cell aluminum-plastic bag 100 is immediately hot-melt packaged after being flattened.

[0036] In order to improve the automation level of the pre-packaging equipment, Figure 1 As shown, the pre-packaging equipment also includes a control unit and a sensor 5. The control unit is electrically connected to the packaging head 3 and the drive device 4. The control unit is used to control the start and stop of the packaging head 3 and the drive device 4. The sensor 5 is used to detect whether the battery cell aluminum-plastic bag 100 on the press-fitting table 1 is in place. The sensor 5 can send a signal to the control unit. Specifically, the sensor 5 is a photoelectric sensor commonly used in the field. It determines the position and shape of an object by emitting light to the object and receiving the light reflected by the object. Before performing the packaging operation, the staff will manually place the battery cell aluminum-plastic bag 100 on the press-fitting table 1. When the sensor 5 detects that the staff's hand has been removed from the press-fitting table 1, the sensor 5 will send an electrical signal to the control unit, which then controls the drive device 4 to start, thereby completing the subsequent packaging operation.

[0037] like Figure 1 As shown, the pre-packaging equipment also includes a mounting plate 6, the pressure roller 2 and the sensor 5 are both arranged on the mounting plate 6, the mounting plate 6 is arranged on the side of the pressing table 1 along the first direction, the pressure roller 2 is rotatably arranged on the mounting plate 6, and the sensor 5 is fixed on the mounting plate 6; further, the pre-packaging equipment also includes a base, the pressing table 1, the mounting plate 6 and the driving device 4 are respectively arranged on the base, which greatly improves the integrity of the pre-packaging equipment, thereby facilitating transportation and storage.

[0038] like Figure 1 and Figure 2As shown, in order to ensure the stability of the packaging process of the battery aluminum-plastic bag 100, prevent the battery aluminum-plastic bag 100 from moving and causing inaccurate packaging position, the pressing station 1 is provided with a limiting block 11, and when the pressing roller 2 rolls and presses the battery aluminum-plastic bag 100, the battery aluminum-plastic bag 100 abuts against the limiting block 11. Exemplarily, the limiting block 11 is protruded on the surface of the pressing station 1, and the side surface of the limiting block 11 abuts against the edge of the battery aluminum-plastic bag 100, thereby limiting the battery aluminum-plastic bag 100.

[0039] The specific type and structure of the driving device 4 can be set according to actual needs, as long as it can ensure that the pressing station 1 moves stably along the first direction. Exemplarily, the driving device 4 is a commonly used screw guide rail device in the art, which includes a driving motor, a screw rod, a guide rail and a sliding block. The guide rail is arranged along the first direction, the screw rod is connected to the driving motor in parallel with the guide rail, the driving motor can drive the screw rod to rotate, the screw rod is arranged on the sliding block and threadedly cooperates with the sliding block, the sliding block is slidingly arranged on the guide rail, and the pressing station 1 is connected to the sliding block. When the driving motor is started, the driving motor drives the screw rod to rotate, and the rotation of the screw rod drives the sliding block to slide along the guide rail, so that the pressing station 1 on the sliding block moves back and forth along the first direction.

[0040] As shown in Figure 1 and Figure 2 The driving device 4 is arranged in multiple, and the multiple driving devices 4 are respectively connected with the pressing station 1, which aims to improve the support stability of the pressing station 1 and improve the stability of the movement of the pressing station 1.

[0041] Obviously, the above embodiments of the utility model are only examples for clearly explaining the utility model, and are not limited to the embodiments of the utility model. For ordinary skilled in the art, various obvious changes, re-adjustment and replacement can be made without departing from the protection scope of the utility model. Here, it is not necessary and impossible to enumerate all the embodiments. Any modification, equivalent replacement and improvement made within the spirit and principle of the utility model should be included in the protection scope of the utility model claim.

Claims

1. Pre-packaging apparatus, characterized in that, The pre-sealing device comprises: a pressing table (1) for supporting an aluminum-plastic bag (100) of a battery cell; a pressing roller (2) rotatably arranged and used for rolling the aluminum-plastic bag (100) of the battery cell on the pressing table (1); a sealing head (3) arranged at a distance from the pressing roller (2) along a first direction and used for hot melting and sealing the aluminum-plastic bag (100) of the battery cell on the pressing table (1); a driving device (4) connected with the pressing table (1) and used for driving the pressing table (1) to pass through the pressing roller (2) and the sealing head (3) in sequence along the first direction; or the pressing roller (2) and the sealing head (3) are respectively connected with the driving device (4), and the driving device (4) is used for driving the pressing roller (2) and the sealing head (3) to pass through the pressing table (1) in sequence along the first direction. The pre-sealing device further comprises a control unit and a sensor (5), the control unit is electrically connected with the sealing head (3) and the driving device (4), and is used for controlling the start and stop of the sealing head (3) and the driving device (4); 2. The pre-packaged device of claim 1, wherein, the sensor (5) is used for detecting whether the aluminum-plastic bag (100) of the battery cell on the pressing table (1) is placed in place, and can send a signal to the control unit. The pre-sealing device further comprises a mounting plate (6), and the pressing roller (2) and the sensor (5) are arranged on the mounting plate (6).

3. The pre-packaged device of claim 2, wherein, The pre-sealing device further comprises a base, and the pressing table (1), the mounting plate (6) and the driving device (4) are arranged on the base.

4. The pre-packaged device of claim 3, wherein, A limiting block (11) is arranged on the pressing table (1), and the aluminum-plastic bag (100) of the battery cell abuts against the limiting block (11) when the pressing roller (2) rolls the aluminum-plastic bag (100) of the battery cell.

5. The pre-packaged device of claim 1, wherein, The driving device (4) comprises a driving motor, a lead screw, a guide rail and a sliding block, the guide rail is arranged along the first direction, the lead screw is connected with the driving motor in parallel with the guide rail, the driving motor can drive the lead screw to rotate, the lead screw is arranged on the sliding block and threadedly cooperates with the sliding block, the sliding block is slidingly arranged on the guide rail, and the pressing table (1) is connected with the sliding block.

6. The pre-packaged device of claim 1, wherein, A plurality of driving devices (4) are arranged at a distance, and each of the plurality of driving devices (4) is connected with the pressing table (1).

7. The pre-packaged device of any of claims 1-6, wherein, ​

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