CN219642888U

CN219642888U - Semi-automatic two-seal device and objective table assembly

Info

Publication number: CN219642888U
Application number: CN202321246206.3U
Authority: CN
Inventors: 袁建萍; 张朋; 林志明; 龙翔; 黄海清; 刘祥; 邓福奎
Original assignee: Jiangxi Beiteli New Energy Co ltd; Jiangxi Beiteli Battery Co ltd
Current assignee: Jiangxi Beiteli New Energy Co ltd; Jiangxi Beiteli Battery Co ltd
Priority date: 2023-05-22
Filing date: 2023-05-22
Publication date: 2023-09-05
Anticipated expiration: 2033-05-22

Abstract

The utility model relates to a semi-automatic two-sealing device and an objective table assembly, wherein the objective table assembly is used for placing a soft package battery to be packaged, the soft package battery to be packaged comprises a main body part and an air bag part connected with the main body part, and the objective table assembly comprises an objective table, at least one object carrying plate and at least one supporting piece; the object stage is provided with at least one operation hole, the operation hole penetrates from the upper surface to the lower surface of the object stage, and the operation hole comprises an object carrying plate accommodating space and an air bag accommodating space; the at least one carrying plate is horizontally arranged in the carrying plate accommodating space and connected with the objective table for carrying the main body part; the at least one supporting piece is correspondingly arranged with the air bag accommodating space, is connected with the objective table and is used for supporting the air bag part. The utility model can effectively avoid the situation that the battery falls, is thrown out and is crushed in the soft package battery packaging process, and improves the production efficiency.

Description

Semi-automatic two-seal device and objective table assembly

Technical Field

The utility model relates to the technical field of battery manufacturing, in particular to a semi-automatic two-sealing device and an objective table assembly.

Background

A pouch cell typically includes a cell, an electrolyte, a protection circuit, and a housing portion. The battery cell comprises an anode, a cathode and a diaphragm. The aluminum plastic film is the most common shell material of the soft package battery, the aluminum plastic film is not very bad with the battery in the production process of the battery, and a longer air bag is arranged on one side of the positive electrode when the battery is still at half cost, and the process is called as secondary sealing of the battery after the follow-up processing.

In the existing two-seal process, the machine can limit and fix the theme part of the battery to ensure the accuracy degree of the two-seal, but the battery air bags are in a suspended state, when the mass of the main body of the soft package battery is smaller than that of the air bags, the soft package battery can fall off in the two-seal process or be thrown out in the process of transferring among different devices, so that the battery is crushed and spontaneous combustion is caused, and shutdown cleaning is needed. At present, the air bags are manually cut short, or the running speed of equipment is reduced, but the production efficiency is reduced, and the production cost is high.

Disclosure of Invention

The present utility model aims to solve the above-mentioned problems of the prior art, and to provide an improved semi-automatic two-seal device and stage assembly.

The technical scheme adopted for solving the technical problems is as follows:

a stage assembly for placing a pouch battery to be packaged, the pouch battery to be packaged comprising a body portion and an airbag portion connected to the body portion, comprising:

the object stage is provided with at least one operation hole, the operation hole penetrates from the upper surface to the lower surface of the object stage, and the operation hole comprises an object carrying plate accommodating space and an air bag accommodating space;

the at least one carrying plate is horizontally arranged in the carrying plate accommodating space and connected with the objective table for carrying the main body part; and

the at least one supporting piece is arranged corresponding to the air bag accommodating space and connected with the objective table and used for supporting the air bag portion.

Preferably, the at least one support can be moved closer to and farther away from the storage space of the carrier plate.

Preferably, the at least one supporting member is in a rod shape, spans the air bag accommodating space, and two ends of the at least one supporting member are respectively connected with the object stage.

Preferably, the objective table further comprises a first supporting part and a second supporting part opposite to the first supporting part, wherein at least one first accommodating groove is formed in the first supporting part, and at least one second accommodating groove is formed in the second supporting part;

the two ends of the supporting piece are detachably arranged in the first accommodating groove and the second accommodating groove respectively.

Preferably, the at least one first accommodating groove comprises at least two first accommodating grooves which are arranged at intervals, and the distances between the at least two first accommodating grooves and the accommodating space of the carrying plate are unequal;

the at least one second accommodating groove comprises at least two second accommodating grooves which are arranged at intervals, and the at least two second accommodating grooves correspond to the at least two first accommodating grooves respectively and have different distances with the accommodating space of the carrying plate;

one end of the support (118) is selectively positionable in one of the at least two first receiving slots (1161), and the other end of the support (118) is selectively positionable in one of the at least two second receiving slots (1171).

Preferably, the at least one bearing member comprises a bearing part positioned in the air bag accommodating space, and the highest point of the bearing part is lower than the upper surface of the objective table by a distance;

and/or the carrying plate comprises a carrying part, and the upper surface of the carrying part is lower than the upper surface of the objective table by a distance.

Preferably, the air bag comprises a support plate, and the support plate is provided with an air bag accommodating space.

Preferably, the device further comprises a limiting piece, wherein the limiting piece is arranged on the carrying plate, and the carrying plate is provided with at least one first limiting hole and at least one second limiting hole opposite to the at least one first limiting hole;

the two ends of the limiting piece are detachably arranged in the first limiting hole and the second limiting hole respectively.

Preferably, the at least one first limiting hole comprises at least two first limiting holes which are arranged at intervals, and the distances between the at least two first limiting holes and the air bag accommodating space are unequal;

the at least one second limiting hole comprises at least two second limiting holes which are arranged at intervals, and the two second limiting holes correspond to the at least two first limiting holes respectively and are different from the air bag accommodating space in distance;

one end of the limiting piece (115) can be selectively arranged in one of the at least two first limiting holes (1141), and the other end of the limiting piece (115) can be selectively arranged in one of the at least two second limiting holes (1142).

The utility model also constructs a semi-automatic two-sealing device for packaging the soft package battery, which comprises a carrying unit, a packaging unit, a cutting unit, a fine sealing unit, a driving unit and any objective table component;

the packaging unit, the cutting unit, the fine sealing unit and the object stage assembly are all arranged on the object carrying unit;

the object stage assembly is rotatably arranged on the object carrying unit.

The implementation of the utility model has at least the following beneficial effects:

according to the utility model, the air bags suspended on the air bag accommodating space are supported by the supporting piece, so that the phenomenon that the soft bag battery falls down when the main body mass of the soft bag battery is smaller than the air bag mass is avoided, the possibility that the soft bag battery is thrown out in the secondary sealing process is reduced, the occurrence of secondary sealing bad phenomenon is avoided, the labor cost is reduced, and the production efficiency is improved.

Drawings

The utility model will be further described with reference to the accompanying drawings and examples, in which:

FIG. 1 is a schematic diagram of a semi-automatic two-seal device according to an embodiment of the utility model;

FIG. 2 is a schematic view of the stage assembly of the semi-automatic two-stage apparatus of FIG. 1;

FIG. 3 is an enlarged view of a portion of the portion A of FIG. 2;

FIG. 4 is a schematic cross-sectional view taken in the direction C-C of FIG. 3;

fig. 5 is a schematic cross-sectional view of the packaged battery of fig. 4 after being placed.

Detailed Description

For a clearer understanding of technical features, objects and effects of the present utility model, a detailed description of embodiments of the present utility model will be made with reference to the accompanying drawings. In the following description, it should be understood that the directions or positional relationships indicated by "front", "rear", "upper", "lower", "left", "right", "vertical", "horizontal", "bottom", "inner", "outer", etc. are configured and operated in specific directions based on the directions or positional relationships shown in part of the drawings, are merely for convenience of description of the present utility model, and do not indicate that the apparatus or element to be referred to must have specific directions, and thus should not be construed as limiting the present utility model.

It should also be noted that unless explicitly stated or limited otherwise, terms such as "mounted," "connected," "secured," "disposed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. When an element is referred to as being "on" or "under" another element, it can be "directly" or "indirectly" on the other element or one or more intervening elements may also be present. The terms "first," "second," and the like are used merely for convenience in describing the present technology and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby features defining "first," "second," and the like may explicitly or implicitly include one or more such features. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the following description, for purposes of explanation and not limitation, specific details are set forth such as the particular system architecture, techniques, etc., in order to provide a thorough understanding of the embodiments of the present utility model. It will be apparent, however, to one skilled in the art that the present utility model may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present utility model with unnecessary detail.

Fig. 1 shows a semi-automatic secondary packaging apparatus 100 according to an embodiment of the present utility model, which can efficiently and rapidly perform secondary packaging on a soft-packaged battery to be secondary-packaged. In some embodiments, the semi-automatic two-sealing device 100 includes a stage assembly 110, a carrier unit 120, a sealing unit 130, a cutting unit 140, a fine sealing unit 150, and a driving unit. The objective table assembly 110, the packaging unit 130, the cutting unit 140 and the fine sealing unit 150 are all disposed on the carrying unit 120, the objective table assembly 110 is rotatably disposed on the carrying unit 120 and is used for carrying the soft package battery 200 to be sealed twice, the packaging unit 130 is used for vacuumizing the soft package battery to be sealed twice, the cutting unit 140 is used for cutting the soft package battery, the fine sealing unit 150 is used for further cutting off redundant rim charge on the soft package battery, and the driving unit is used for driving the whole device to operate. In some embodiments, the pouch cell 200 to be double sealed includes a cell, a tab, and a pouch, wherein the cell and the tab are collectively referred to as a main body portion 210, and the pouch is referred to as a pouch portion 220.

As shown in fig. 2 and 3, the stage assembly 110 includes a stage 111, at least one carrier plate 114, and at least one support 118. At least one square working hole 1111 is formed in the stage 111, and penetrates from the upper surface to the lower surface of the stage 111. In some embodiments, the working hole 1111 includes a loading plate accommodating space 112 and an airbag accommodating space 113. The accommodating space 112 and the air bag accommodating space 113 are rectangular and have parallel extending directions. The carrier plate 114 is horizontally disposed in the carrier plate accommodating space 112, and is connected to the stage 111 for carrying the main body 210. The supporting member 118 is disposed corresponding to the air bag accommodating space 113, and is used for supporting the air bag portion 220.

In some embodiments, the working hole 1111 may have other shapes such as a circle, a polygon, and an irregular shape, the shape of the carrier plate 114 is adapted to the shape of the carrier plate accommodating space 112, the thickness of the carrier plate 111 is equal to the thickness of the carrier plate, and the plane of the upper surface is lower than the plane of the upper surface of the carrier plate 111 in the extending direction of the longitudinal axis of the working hole 1111.

In some embodiments, the stage 111 further includes a first supporting portion 116 and a second supporting portion 117 disposed opposite to the first supporting portion 116, where the first supporting portion 116 and the second supporting portion 117 are disposed at opposite ends of two short sides of the cross section of the air bag accommodating space 113. For providing a fixed slot, a support 118. In some embodiments, the first supporting portion 116 is provided with at least one first receiving groove 1161, the second supporting portion 117 is provided with at least one second receiving groove 1171, and two ends of the supporting member 118 are respectively detachably disposed in the first receiving groove 1161 and the second receiving groove 1171.

In the present embodiment, the number of the first accommodating grooves 1161 and the number of the second accommodating grooves 1171 are all plural, and are uniformly spaced apart from each other on the second supporting portion 117, one end of the supporting member 118 may be selectively disposed in one of the plural first accommodating grooves 1161, and the other end of the supporting member 118 may be selectively disposed in one of the plural second accommodating grooves 1171. In some embodiments, the distances between the first accommodating grooves 1161 and the accommodating space 112 are different, the distances between the second accommodating grooves 1171 and the accommodating space 112 are also different, and the first accommodating grooves 1161 and the second accommodating grooves 1171 are respectively disposed in one-to-one correspondence in the extending direction of the short sides of the cross section of the air bag accommodating space 113, so that the extending direction of the supporting member 118 is parallel to the extending direction of the long sides of the cross section of the air bag accommodating space 113. The first receiving grooves 1161 and the second receiving grooves 1171 can adjust the position of the supporting member 118 to cope with different types of soft package batteries, so that the position of the supporting member 118 is arranged in front of and behind the first sealing position of the air bag portion 220, and the two sealing is not hindered.

The support 118 is a long support rod with a circular cross section in the present embodiment, and spans the air bag accommodating space 113, and can approach and separate from the object carrying plate accommodating space 112, and two ends of the support rod are respectively connected with the object stage 111. Specifically, the two ends are respectively disposed in the first accommodating groove 1161 and the second accommodating groove 1171, and are used for supporting the air bag portion 220. In some embodiments, the cross-section of the support 118 may also be square, polygonal, irregular, etc.

In some embodiments, the length of the bearing 118 is adapted to the separation distance between the first and second receiving slots 1161, 1171. The lengths of the first accommodating groove 1161 and the second accommodating groove 1171 in the extending direction of the long side of the cross section of the air bag accommodating space 113 are 2-3mm, and the lengths of the first accommodating groove 1161 and the second accommodating groove 1171 in the extending direction of the short side of the cross section of the air bag accommodating space 113 are matched with the lengths of the cross section of the supporting piece 118 in the extending direction of the short side of the cross section of the air bag accommodating space 113, namely, the lengths of the first accommodating groove and the second accommodating groove are equal to the diameters of the cross section of the supporting piece 118. When the main body part is placed on the placement space of the carrying plate 114, the air bag part is suspended on the air bag accommodating space 113, and the support member 118 can effectively prevent the air bag part from falling off from the air bag accommodating space 113 due to overweight or from throwing off from the air bag accommodating space 113 in the process of two-seal transportation.

As shown in fig. 3 and 4, in some embodiments, the support 118 further includes a support portion 1181 disposed in the air bag accommodating space 113, and a highest point of the support portion 1181 is lower than an upper surface of the stage 111 by a distance. Specifically, the highest point of the supporting portion 1181 is 2mm lower than the upper surface of the stage 111, so that the poor sealing caused by the raising of the soft battery in the supporting member 118 can be effectively avoided.

As shown in fig. 3, in some embodiments, the carrier plate 114 has a rectangular plate shape, two short sides of which are respectively connected to the stage 111, and an end portion of a cross section of the carrier plate 114 where one long side is located is connected to the air bag accommodating space 113, so as to facilitate the placement of a plurality of soft package batteries 200 at a time, and perform two sealing. In some embodiments, the carrier plate 114 is provided with at least one first limiting hole 1141 and at least one second limiting hole 1142 opposite to the first limiting hole 1141, and the stage assembly 110 further includes a limiting member 115, where the limiting member 115 is disposed on the carrier plate 114 and can approach and separate from the air bag accommodating space 113, so as to limit the placement position of the soft package battery on the carrier plate 114. The limiting member 115 is disposed longitudinally, and two ends thereof are detachably disposed on the first limiting hole 1141 and the second limiting hole 1142, respectively.

Specifically, the number of the first limiting holes 1141 and the second limiting holes 1142 are multiple, and the first limiting holes 1141 and the second limiting holes 1142 are uniformly spaced from each other and are respectively disposed on the ends of the cross section of the carrier plate 114 where two short sides of the cross section of the carrier plate 114 are located, for adjusting the positions of the limiting members 115 on the carrier plate 114 to limit the flexible battery 200 of different types, one end of each of the limiting members 115 is selectively disposed in one of the first limiting holes 1141, and the other end of each of the limiting members 115 is selectively disposed in one of the second limiting holes 1142. In some embodiments, the distances between the first limiting holes 1141 and the air bag accommodating space 113 are different, the distances between the second limiting holes 1142 and the air bag accommodating space 113 are different, and the first limiting holes 1141 and the second limiting holes 1142 are respectively disposed in one-to-one correspondence in the extending direction of the short sides of the cross section of the carrier plate 114, so that the extending direction of the limiting members 115 is parallel to the extending direction of the long sides of the cross section of the carrier plate 114. In some embodiments, the limiting member 115 is a longitudinal limiting plate, and two ends of the limiting member are respectively provided with a limiting hole, and the limiting member 115 is fixed on the carrier plate 114 by inserting a fastening member such as a screw into the limiting hole on the limiting member 115 and the first limiting hole 1141 and the second limiting hole 1142.

As shown in fig. 3 and 5, in some embodiments, the carrier plate 114 further includes a carrier portion 1143, and an upper surface of the carrier portion 1143 is lower than an upper surface of the stage 111 by a distance such that an upper end portion of the limiting member 115 is substantially flush with the upper surface of the stage 111. Specifically, the upper surface of the limiting plate is approximately flush with the upper surface of the stage 111, so that the soft battery 200 can be ensured to be horizontally and horizontally placed on the carrier plate 114, and the situation that when the upper surface of the limiting plate is too high, the side end portion of the main body 210 is placed on the limiting plate, so that the main body 210 is inclined, and the soft battery is further inclined on the carrier plate 114 is avoided.

A placement space is formed between the limiting member 115 and an end portion of the carrier plate 114 adjacent to the air bag accommodating space 113, for placing the main body 210. The position of the limiting member 115 can be adjusted on the carrier plate 114 through the first limiting hole 1141 and the second limiting hole 1142 according to different models of the soft pack battery 200 to determine the placement position of the main body 210 on the carrier plate 114, so as to prevent the inaccurate placement position of the main body 210 from causing two sealing defects.

In some embodiments, each of the accommodating space 112, the air bag accommodating space 113, the accommodating plate 114, the limiting member 115, the first supporting portion 116, the second supporting portion 117 and the bearing member 118 together form an accommodating module, in this embodiment, eight accommodating modules are disposed in total, two by two, on the stage assembly 111, and a square working space is framed on the circular stage assembly 111.

As shown in fig. 1, in some embodiments, the loading unit 120 is provided with a feeding station 121, a packaging station 122, a cutting station 123, and a fine sealing station 124. The feeding station 121 is used for placing the soft package battery to be sealed, the packaging station 122 corresponds to the position of the packaging unit 130 on the carrying unit 120, the cutting station 123 corresponds to the position of the cutting unit 140 on the carrying unit 120, and the fine sealing station 124 corresponds to the position of the fine sealing unit 150 on the carrying unit 120.

In some embodiments, the circular object stage assembly 110 is disposed on the object carrying unit 120, and two object carrying modules of each two groups are respectively corresponding to four stations in one-to-one direction, so that eight groups of soft package batteries to be sealed in two in eight object carrying modules can be sequentially sealed in two, the soft package batteries to be sealed in two are continuously taken out on the material loading station 121, and new soft package batteries to be sealed in two are placed, thereby improving the working efficiency.

During operation, the soft package battery to be sealed is placed in the feeding station, the driving unit drives the objective table 111 to rotate, so that materials sequentially pass through the packaging station 122, the cutting station 123 and the fine sealing station 124 for processing, manual transportation is saved, and the product quality is improved.

It should be noted that the above "soft-pack battery" represents a soft-pack battery to be sealed.

It is to be understood that the above examples only represent preferred embodiments of the present utility model, which are described in more detail and are not to be construed as limiting the scope of the utility model; it should be noted that, for a person skilled in the art, the above technical features can be freely combined, and several variations and modifications can be made without departing from the scope of the utility model; therefore, all changes and modifications that come within the meaning and range of equivalency of the claims are to be embraced within their scope.

Claims

1. A stage assembly for placing a pouch cell (200) to be packaged, the pouch cell (200) to be packaged comprising a main body portion (210) and an airbag portion (220) connected to the main body portion (210), comprising:

a stage (111), wherein at least one operation hole (1111) is formed on the stage (111), the operation hole (1111) penetrates from the upper surface to the lower surface of the stage (111), and the operation hole (1111) comprises a carrier plate accommodating space (112) and an air bag accommodating space (113);

the at least one carrying plate (114), the at least one carrying plate (114) is horizontally arranged in the carrying plate accommodating space (112) and connected with the objective table (111) for carrying the main body part (210); and

the at least one supporting piece (118), the at least one supporting piece (118) and the air bag accommodating space (113) are correspondingly arranged and connected with the objective table (111) for supporting the air bag part (220).

2. The stage assembly according to claim 1, wherein the at least one support (118) is movable closer to and farther from the carrier plate receiving space (112).

3. The stage assembly according to claim 1, wherein the at least one support member (118) has a rod shape, spans the airbag housing space (113), and has both ends connected to the stage (111), respectively.

4. The stage assembly according to claim 1, wherein the stage (111) further comprises a first support (116) and a second support (117) opposite the first support (116), the first support (116) having at least one first receiving slot (1161) provided therein, the second support (117) having at least one second receiving slot (1171) provided therein;

both ends of the supporting member (118) are detachably disposed in the first accommodation groove (1161) and the second accommodation groove (1171), respectively.

5. The stage assembly of claim 4, wherein the at least one first receiving groove (1161) includes at least two first receiving grooves (1161) disposed at intervals, the at least two first receiving grooves (1161) being at different distances from the carrier plate receiving space (112);

the at least one second accommodating groove (1171) comprises at least two second accommodating grooves (1171) arranged at intervals, and the at least two second accommodating grooves (1171) respectively correspond to the at least two first accommodating grooves (1161) and are different from the accommodating space (112) of the object carrying plate in distance;

6. The stage assembly according to claim 1, wherein the at least one support (118) comprises a support (1181) located in the airbag receiving space (113), the highest point of the support (1181) being a distance below the upper surface of the stage (111);

and/or the carrier plate (114) comprises a carrier part (1143), the upper surface of the carrier part (1143) being lower than the upper surface of the stage (111) by a distance.

7. The stage assembly according to claim 1, further comprising a stopper (115), the stopper (115) being provided on the carrier plate (114) and being capable of approaching and moving away from the airbag housing space (113).

8. The stage assembly according to claim 1, further comprising a stop (115), the stop (115) being disposed on the carrier plate (114), the carrier plate (114) being provided with at least one first stop hole (1141) and at least one second stop hole (1142) opposite the at least one first stop hole (1141);

two ends of the limiting piece (115) are detachably arranged in the first limiting hole (1141) and the second limiting hole (1142) respectively.

9. The stage assembly according to claim 8, wherein the at least one first limiting aperture (1141) comprises at least two first limiting apertures (1141) arranged at intervals, the at least two first limiting apertures (1141) being at different distances from the airbag receiving space (113);

the at least one second limiting hole (1142) comprises at least two second limiting holes (1142) arranged at intervals, and the two second limiting holes (1142) respectively correspond to the at least two first limiting holes (1141) and are different from the airbag accommodating space (113);

10. A semiautomatic two-pack device for packaging a soft-pack battery, comprising a carrier unit (120), a packaging unit (130), a cutting unit (140), a fine-pack unit (150), a driving unit, and the stage assembly according to any one of claims 1 to 9;

the packaging unit (130), the cutting unit (140), the fine sealing unit (150) and the object stage assembly (110) are arranged on the object carrying unit (120);

the stage assembly (110) is rotatably disposed on the carrier unit (120).