CN217848044U - Positioning tool and lithium battery production line - Google Patents

Abstract

The utility model provides a positioning tool and a lithium battery production line. The positioning tool of the utility model includes a base body, a cover plate positioning part for positioning the battery cell cover plate is arranged on the base body, and a cover plate positioning part is arranged adjacent to the cover plate positioning part. The cell positioning part, the cell positioning part is used to position the cell on the base, and the cell positioning part and the cover plate positioning part are connected through the communication port, and the communication port is used for the tab of the power supply core to pass through to stack It is positioned on the cell cover plate in the cover plate positioning portion. The positioning tool described in the utility model can facilitate the simultaneous positioning of the cell cover plate and the cell by providing the cover plate positioning portion and the cell positioning portion adjacent thereto.

Description

Positioning tooling and lithium battery production line

technical field

The utility model relates to the technical field of lithium battery production jigs, in particular to a positioning tool. The utility model also relates to a lithium battery production line.

Background technique

With the rapid development of the lithium battery industry in recent years, the demand for assembly automation equipment in factory production lines is increasing, and the requirements for equipment assembly speed and assembly quality are also increasing. The simplicity and practicality of automation equipment design is beneficial to the maintenance of subsequent equipment and the improvement of utilization rate. During the assembly process of the square shell battery cell assembly line, it is necessary to perform positioning and assembly operations on some parts of the battery cell, such as aluminum shells and cover plates. In the prior art, the jig tooling specially used for simultaneous positioning of the battery cell and the cover plate has a complex structure, many moving parts, high requirements for tooling manufacturing and assembly, and inconvenient operation.

In addition, the existing technology is used for positioning tooling for battery cells and cover plates, which can only be positioned and clamped for one set of battery cells and cover plates. The tooling is unloaded after multiple processes, which has a long operating cycle and low assembly efficiency. , It is not conducive to the automation and efficient development of the lithium battery industry.

Utility model content

In view of this, the utility model aims to provide a positioning tool to facilitate the positioning of the battery cell and the battery cell cover plate and facilitate operation.

In order to achieve the above object, the technical solution of the utility model is achieved in that:

A positioning tool, comprising a base body, the base body is provided with a cover plate positioning part for positioning the cell cover plate, and a cell positioning part arranged adjacent to the cover plate positioning part, the cell positioning part It is used to position the electric core on the base body, and the electric core positioning part and the cover plate positioning part are connected through a communication port, and the communication port is used for the tab of the electric core to pass through to stack placed on the cell cover positioned in the cover positioning portion.

Further, the cover positioning part includes a first positioning part for positioning the short side of the cell cover, and a second positioning part for positioning the long side of the cell cover;

The first positioning part includes a first positioning part and a second positioning part arranged oppositely, and the first positioning part and/or the second positioning part are driven to move, so that the first positioning part and the second positioning part The second positioning member is relatively far away, and a first elastic portion for driving the moving first positioning member and/or the second positioning member to return is provided on the base body.

Further, the second positioning part has a third positioning part and a fourth positioning part arranged oppositely, and the third positioning part is provided with a guide slope, along with the first positioning part and/or the second positioning part The movement of the positioning member, the first positioning member and/or the second positioning member can push the cell cover to slide along the guide slope, so that the two sides of the cell cover are respectively connected to the The third positioning piece abuts against the fourth positioning piece.

Further, the cell positioning portion includes a third positioning portion for positioning the short side of the cell, and/or a fourth positioning portion for positioning the long side of the cell.

Further, the third positioning part has a fifth positioning part and a sixth positioning part arranged oppositely, and the fifth positioning part and/or the sixth positioning part are driven to move so that the fifth positioning part The part and the sixth positioning part are relatively far away, and a second elastic part for driving the moving fifth positioning part and/or the sixth positioning part to return is provided on the base;

The fourth positioning part has a seventh positioning part and an eighth positioning part arranged oppositely, and the seventh positioning part and/or the eighth positioning part are driven to move, so that the seventh positioning part and the eighth positioning part The eighth positioning member is relatively far away, and a third elastic portion for driving the moving seventh positioning member and/or the eighth positioning member to return is provided on the base.

Further, the third positioning part and the fourth positioning part are connected in transmission through a transmission mechanism, and the transmission mechanism is driven to drive the fifth positioning part and/or the sixth positioning part and the first positioning part. The seventh positioning member and/or the eighth positioning member act synchronously, so that the fifth positioning member and the sixth positioning member are relatively separated, and the seventh positioning member and the eighth positioning member are relatively separated.

Further, the transmission mechanism includes a first sliding member slidably arranged on the base body along a first direction, and a second sliding member slidably arranged on the base body along a second direction, and the second sliding member A rolling element is provided, the first sliding element is provided with an abutment inclined surface rollingly abutting against the rolling element, and the first direction is perpendicular to the second direction, and the first sliding element and the first sliding element are The fifth positioning piece or the sixth positioning piece is connected, and the second sliding piece is connected with the seventh positioning piece or the eighth positioning piece.

Further, the base body is provided with a receiving part and a guide part, the receiving part is used to receive the external driving force, and the guide part is used to cooperate with the external carrier, so that the base body receives the external driving force. Driven to slide in the set direction on the external carrier.

Further, the base body is provided with a positioning part, and the positioning part is used to cooperate with a positioning piece on the external carrier to position the base body at a preset position.

Compared with the prior art, the utility model has the following advantages:

The positioning tool described in the utility model can facilitate the simultaneous positioning of the cover plate and the battery cell by providing the cover plate positioning part and the battery cell positioning part on the base body.

In addition, by providing the first positioning portion and the second positioning portion, the cell cover is positioned from two directions of the short side and the long side of the cell cover respectively, so that the positioning effect of the cell cover can be improved. By providing a guide slope on the third positioning piece and/or the fourth positioning piece, the third positioning piece and/or the fourth positioning piece can push the electric core along with the first positioning piece and/or the second positioning piece The cover plate also slides along the guide slope, and then the long side and the short side of the cell cover plate are positioned at the same time, which not only reduces the power equipment for positioning the long side, but also saves costs.

Secondly, by setting the transmission mechanism to drive the fifth positioning member and/or the sixth positioning member, and the seventh positioning member and/or the eighth positioning member act synchronously to realize the simultaneous positioning of the short side and the long side of the battery cell, which can save the power device . The second sliding member is provided with a rolling member, and the first sliding member is provided with an abutment slope that rolls and abuts against the rolling member, so that the relative movement of the fifth positioning member and the sixth positioning member can be realized, and the seventh positioning The eighth positioning piece and the eighth positioning piece also move relatively, the structure is simple, there are few connecting parts, and it is easy to manufacture, which effectively reduces the production cost of the positioning tool.

In addition, through the receiving part and the guide part arranged on the base body, the positioning tool is driven to move by an external driving force, so that the positioning tool can play a role of positioning and installation in different processes. By arranging the positioning part on the base body, accurate positioning can be realized when the positioning tool is transferred in different stations, thereby improving the positioning accuracy of the positioning tool.

Another purpose of the present utility model is to provide a lithium battery production line, which is provided with the above-mentioned positioning tool.

The lithium battery production line described in the utility model can improve the positioning accuracy of each station in the entire lithium battery production line by adopting the above-mentioned positioning tooling to be recycled at each station, thereby improving the installation accuracy of lithium battery parts and improving the lithium battery. the quality of.

Description of drawings

The accompanying drawings constituting a part of the utility model are used to provide a further understanding of the utility model, and the schematic embodiments of the utility model and their descriptions are used to explain the utility model, and do not constitute improper limitations to the utility model. In the attached picture:

Fig. 1 is a three-dimensional schematic diagram of a first viewing angle of the positioning tool described in Embodiment 1 of the present invention;

Fig. 2 is a three-dimensional schematic diagram of a second viewing angle of the positioning tool described in Embodiment 1 of the present utility model;

Fig. 3 is a three-dimensional schematic diagram of the positioning tool with the cell and the cell cover removed according to Embodiment 1 of the present utility model;

Fig. 4 is a perspective view of a third viewing angle of the positioning tool according to Embodiment 1 of the present utility model;

Fig. 5 is a three-dimensional schematic diagram of the installation of the connecting mechanism described in the embodiment of the present invention;

Fig. 6 is a three-dimensional schematic diagram of a fourth viewing angle of the positioning tool described in Embodiment 1 of the present utility model;

Fig. 7 is a schematic top view of the connection mechanism described in Embodiment 1 of the present utility model;

Fig. 8 is a partial schematic diagram of the cell cover plate described in Embodiment 1 of the present utility model;

FIG. 9 is a partial three-dimensional installation diagram of the cell cover plate according to the first embodiment of the present invention.

Explanation of reference signs:

1. Substrate; 2. Cell cover; 3. Cell; 4. Adapter plate; 5. Support column;

101. Cover plate positioning part; 102. Cell positioning part; 103. Connecting port; 104. Transmission mechanism; 105. Accepting part; 106. Guide part; 107. Positioning part;

1011, the first positioning part; 1012, the second positioning part; 1013, the first elastic part; 1014, the mounting plate; 1021, the third positioning part; 1022, the fourth positioning part; 1023, the second elastic part; Three elastic parts; 1041, the first sliding part; 1042, the second sliding part; 1043, the rolling part;

10111, the first positioning piece; 10112, the second positioning piece; 10113, the connecting plate; 10114, the first triangular block; 10115, the first linear guide rail; 10121, the third positioning piece; 10211, the fifth positioning piece; 10213, the support plate; 10214, the second triangular block; 10215, the second linear guide rail; 10221, the seventh positioning piece; 10222, the eighth positioning piece.

Detailed ways

It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

In the description of the present utility model, it should be noted that if there are terms such as "up", "down", "inside" and "outside" that indicate orientation or positional relationship, it is based on the orientation or position shown in the drawings. The relationship is only for the convenience of describing the utility model and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation of the utility model. In addition, if terms such as "first" and "second" appear, they are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

In addition, in the description of the present utility model, unless otherwise clearly defined, the terms "installation", "connection", "connection" and "connector" should be interpreted broadly. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary; connected. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in combination with specific situations.

The utility model will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

Embodiment one

This embodiment relates to a positioning tool, including a base body 1, on which a cover plate positioning part 101 for positioning the cell cover plate 2 is arranged, and a cell positioning part 102 arranged adjacent to the cover plate positioning part 101 The cell positioning part 102 is used to position the cell 3 on the substrate 1, and the cell positioning part 102 and the cover plate positioning part 101 are connected through the communication port 103, and the communication port 103 is used for the tab 301 of the power supply cell 3 to pass through , so as to be superimposed on the cell cover 2 positioned in the cover positioning portion 101 .

Based on the above overall structure, an exemplary structure of the positioning tooling of this embodiment, as shown in Figure 1, the base 1 is a rectangular plate, and at the left end of the base 1 along the width direction of the base 1, two cover plates arranged side by side are provided for positioning. Section 101. At the same time, two cell positioning parts 102 are respectively provided on the right side adjacent to the two cover plate positioning parts 101 . In addition, between each cover plate positioning part 101 and the cell positioning part 102 on its right side, there is a communication port 103 through which the tab 301 of the power supply core 3 passes, and the tab 301 of the cell 3 is located on both sides. The core 3 is stacked and positioned on the cell cover 2 of the cover positioning portion 101 by virtue of the left tab 301 .

The positioning tool of this embodiment is provided with a double-cover positioning part 101 and a double-cell positioning part 102 adjacent to it on the base body 1. In one turnaround, two battery cover plates 2 and battery cells 3 can be realized at the same time. The positioning installation improves the installation and production efficiency of the lithium battery cell cover plate 2 and the cell 3. In addition, the cell 3 is positioned on the cell cover 2 through the communication port 103 and the cell positioning part 102, and the relative position between the cell cover 2 and the cell 3 is fixed through the cover positioning part 101, for subsequent The welding and pasting process provides precise positioning, thereby improving the installation quality of lithium batteries.

In order to realize the positioning of the short side of the cover positioning part 101, a first positioning part 1011 for positioning the short side of the cell cover 2 is provided on the cover positioning part 101, and a first positioning part 1011 for positioning the short side of the cell cover 2 is provided on the cover positioning part 101. The second positioning part 1012 for positioning. The first positioning part 1011 includes a first positioning part 10111 and a second positioning part 10112 arranged oppositely, and the first positioning part 10111 and/or the second positioning part 10112 are driven to move, so that the first positioning part 10111 and the second positioning part 10111 The positioning part 10112 is relatively far away, and a first elastic part 1013 for driving the moving first positioning part 10111 and/or the second positioning part 10112 to return is provided on the base body 1 .

As a specific embodiment, as shown in Fig. 2, Fig. 3 and Fig. 4, the first positioning part 1011 is arranged on one side of the upper plane of the base body 1, and the first positioning part 10111 is fixedly connected to a corner of the base body 1, along the base body 1 is provided with a second positioning piece 10112 opposite to it in the width direction, and the two short sides of the cell cover plate 2 face the first positioning piece 10111 and the second positioning piece 10112 respectively.

In this embodiment, as shown in FIG. 4 , two second positioning pieces 10112 are respectively provided on the two cover plate positioning parts 101 . One end is used to drive the second locating member 10112 away from the first locating member 10111, vertically penetrate the base 1 and extend to the positioning surface of the cell cover 2; the other end of the second locating member 10112 is parallel to the base 1 and set on the base 1 on the back.

The other ends of the second positioning piece 10112 on the two adjacent cover plate positioning parts 101 are connected with a connecting plate 10113, and on the connecting plate 10113 there is a first triangular block 10114 for being driven, and the first triangular block 10114 Move along the width direction of the substrate 1. There is a first linear guide rail 10115 for guiding between the connecting plate 10113 and the back of the base body 1 to ensure the stability of the second positioning member 10112 when moving, thereby improving the positioning accuracy of the cell cover 2 . The first elastic part 1013 is a spring whose one end is fixed on the base 1 , and the other end is fixedly connected with the connecting plate 10113 .

It should be noted that the first positioning part 10111 in this embodiment is a fixing part, and when the second positioning part 10112 is driven to keep the second positioning part 10112 away from the first positioning part 10111, the cell cover 2 is placed and relies on the second positioning part 10112 An elastic part 1013 rebounds and clamps the cell cover 2 . In other embodiments, the first positioning member 101111 and the second positioning member 10112 may also be driven away in opposite directions at the same time, and then bounce back through the elastic parts in the two directions. In another embodiment, the second positioning member 10112 is set as a fixing member fixed on the base 1 to drive the first positioning member 10111 away from the second positioning member 10112 . At this time, the cover plate positioning part can be set to move synchronously with the first positioning member 10111, so as to be able to maintain the relative position of the cell cover plate 2 and the cell. Above all, the above three methods can make the opposite first positioning member 10111 and the second positioning member 10112 far away to place the cell cover plate 2, and rely on the tensile force of the mechanical elastic member for clamping.

In order to realize the positioning of the long side of the cover plate positioning part 101, the second positioning part 1012 has a third positioning part 10121 and a fourth positioning part arranged oppositely, and the third positioning part 10121 is provided with a guide slope 101211, along with the first positioning part 10111 and/or the movement of the second positioning member 10112, the first positioning member 10111 and/or the second positioning member 10112 can push the cell cover plate 2 to slide along the guide slope 101211, so that the two sides of the cell cover plate 2 are respectively It abuts against the third positioning piece 10121 and the fourth positioning piece.

In terms of specific structure, as shown in Figure 2 and Figure 8, the above-mentioned first positioning part 10111 and third positioning part 10121 are a set of parts, which include a part for fixing with the base body 1 and receiving the lower plane of the cell cover plate 2 The lower plate has a protruding part protruding from the lower plate on the lower plate. The protruding part has a parallel plane that abuts against the short side of the cover plate positioning part 101 and is parallel to the length direction of the base body 1. It is also provided with a Guide bevel 101211 for angle setting. When the above-mentioned second positioning member 10112 pushes the cell cover 2, the cell cover 2 gradually approaches the parallel plane along the guide slope 101211, until the short side of the cell cover 2 is attached to the parallel plane, the cell cover The long side of the plate 2 abuts against the third positioning piece 10121 and the fourth positioning piece at the same time. In addition, as shown in FIG. 3 and FIG. 9 , the fourth positioning member in this embodiment is a U-shaped plate 10122 fixedly connected to the base body 1 , and its U-shaped opening forms a communication port 103 for the tab 301 of the power supply core 3 to pass through.

By driving the first triangular block 10114, the two cover plate positioning parts 101 can simultaneously position the short sides and long sides of the two cell cover plates 2, and only use external power in one direction and the first elastic part 1013. Positioning and fastening the two cell cover plates 2 not only realizes a simple structure setting, but also can quickly and accurately position the cell cover plates 2 on the upper part of the cell 3 .

It should be noted that the first positioning part 10111 and the third positioning part 10121 in this embodiment are fixed parts on the base body 1, and the simultaneous positioning of the short side and the long side of the cell cover plate 2 is realized through the guiding slope 101211. Improve positioning efficiency while reducing drive components. In other embodiments, the guide slope 101211 opposite to the guide slope 101211 of the third positioning member 10121 can be set on the fourth positioning member, and the first positioning member 10111 and the second positioning member 10112 or one of the two pushes the electric force. The core cover 2 presses the cell cover 2 between the two guiding slopes 101211 to realize simultaneous positioning of the long side and the short side of the cell cover 2 . In another embodiment, a guide slope 101211 can also be provided on the fourth positioning member, and the cell cover 2 can be pushed by the first positioning member 10111 and the second positioning member 10112 or one of the two, so that the electric core can also be realized. The long side and the short side of the cover plate 2 are positioned at the same time.

In addition, the cell positioning portion 102 includes a third positioning portion 1021 for positioning the short side of the cell 3 , and/or a fourth positioning portion 1022 for positioning the long side of the cell 3 . In terms of specific structure, as shown in FIG. 3, in this embodiment, a third positioning part 1021 and a fourth positioning part 1022 are provided to simultaneously position the long side and the short side of the cell 3. In other embodiments, the third positioning part 1021 and the short side can be separately provided. The three positioning parts 1021 or the fourth positioning part 1022 are separately provided for positioning the long side or the short side of the battery cell 3 , and it is also feasible to manually position the short side or the long side of the battery cell 3 .

In order to realize the positioning effect of the third positioning part 1021, the third positioning part 1021 has a fifth positioning part 10211 and a sixth positioning part arranged oppositely, and the fifth positioning part 10211 and/or the sixth positioning part are driven to move, so that The fifth positioning member 10211 and the sixth positioning member are relatively far away, and a second elastic portion 1023 for driving the moving fifth positioning member 10211 and/or the sixth positioning member to return is provided on the base 1 . The fourth positioning part 1022 has a seventh positioning part 10221 and an eighth positioning part 10222 arranged oppositely, and the seventh positioning part 10221 and/or the eighth positioning part 10222 are driven to move, so that the seventh positioning part 10221 and the eighth positioning part 10221 can be moved. The part 10222 is relatively far away, and the base body 1 is provided with a third elastic part 1024 for driving the moving seventh positioning part 10221 and/or the eighth positioning part 10222 to return.

In terms of specific structure, as shown in Fig. 2, Fig. 4 and Fig. 5, in this embodiment, the fifth positioning member 10211 is arranged on the end of the base body 1 away from the cover plate positioning portion 101, specifically two cuboids, which are arranged on the base body 1 at intervals. On the front side, two rectangular parallelepipeds abut against the short side of the battery cell 3 along the width direction of the base body 1 . In addition, a U-shaped block opening to the base 1 is fixedly connected to the two cuboids, and a support plate 10213 is fixedly connected to the U-shaped block, and the support plate 10213 is also connected to two U-shaped blocks in another cell positioning part 102 .

In this embodiment, the second triangular block 10214 is fixedly connected to the support plate 10213, and the second triangular block 10214 is driven to move along the length direction of the base 1, thereby driving the two fifth positioning parts 10211 away from the sixth positioning part. Insert the battery cell 3 to be installed, and drive the fifth positioning member 10211 to rebound through the second elastic part 1023 to fasten the battery cell 3 . The second elastic part 1023 is two elastic springs, one end of which is fixedly connected to the base body 1 , and the other end is fixedly connected to the support plate 10213 .

Both the sixth positioning part and the fourth positioning part of this embodiment are composed of a U-shaped plate 10122, and the opening in the middle forms the aforementioned communication port 103, which not only plays the role of positioning the long side of the cell cover plate 2, but also plays the role of The function of positioning the short side of the cell 3. In other embodiments, the sixth positioning member and the fourth positioning member may be configured as two different parts. In this embodiment, the fifth positioning member 10211 is driven away from the fixed sixth positioning member to increase the space for placing the battery cell 3 . In other embodiments, the sixth positioning member can be driven at the same time, so as to be relatively far away from the fifth positioning member 10211 at the same time. In other embodiments, the fifth positioning member 10211 may also be set as a fixing member to drive the sixth positioning member relatively far away.

In terms of specific structure, as shown in FIG. 3 , the fourth positioning part 1022 of this embodiment has a seventh positioning part 10221 and an eighth positioning part 10222 arranged oppositely, and the seventh positioning part 10221 is driven to move along the width direction of the base body 1 The rectangular block, the eighth positioning member 10222 is an L-shaped block fixedly arranged on the front of the base body 1 . The seventh positioning member 10221 and the eighth positioning member 10222 can be driven away from each other at the same time or separately, and then return to their positions through the third elastic portion 1024 .

In addition, the third positioning part 1021 and the fourth positioning part 1022 are connected in transmission through the transmission mechanism 104, and the transmission mechanism; 104 is driven to drive the fifth positioning part 10211 and/or the sixth positioning part and the seventh positioning part 10221 and/or The eighth positioning member 10222 acts synchronously to make the fifth positioning member 10211 and the sixth positioning member relatively far away, and to make the seventh positioning member 10221 and the eighth positioning member 10222 relatively far away. In terms of specific structure, as shown in Figure 3 and Figure 5, the transmission mechanism 104 is arranged on the back of the base body 1 and connected to the support plate 10213, and the fifth positioning member 10211 and/or the sixth positioning member and the seventh positioning member are driven by the transmission mechanism 104 The positioning part 10221 and/or the eight positioning parts act synchronously to realize the simultaneous positioning of the short side and the long side of the battery cell 3 and improve the positioning efficiency of the battery cell 3 .

Wherein, the above-mentioned transmission mechanism 104 includes a first slider 1041 slidably arranged on the base 1 along a first direction, and a second slider 1042 slidably arranged on the base 1 along a second direction. There is a rolling member 1043, and the first sliding member 1041 is provided with an abutting slope that rolls against the rolling member 1043, and the first direction is orthogonal to the second direction, and the first sliding member 1041 and the fifth positioning member 10211 or the sixth positioning member 10211 The positioning pieces are connected, and the second sliding piece 1042 is connected with the seventh positioning piece 10221 or the eighth positioning piece 10222 .

In terms of specific structure, as shown in Figure 5 and Figure 7, the first sliding member 1041 is an elongated flat plate fixedly connected to the support plate 10213, and the second sliding member 1042 is arranged between the first sliding member 1041 and the base body 1. The second sliding member 1042 is provided with a rolling member 1043, the rolling member 1043 is specifically a deep groove ball bearing hinged on the second sliding member 1042, and the first sliding member 1041 is provided with a rolling contact with the rolling member 1043. The opening of the inclined surface faces the moving direction of the second slider 1042, that is, as shown in FIG. 7, the support plate 10213 is driven to move to the right along the length direction of the base, driving the first slider 1041 fixedly connected to it. Moving to the left, when the abutment slope on the first sliding member 1041 abuts against the rolling member 1043, the second sliding member 1042 is guided by the rolling member 1043 along the first sliding member 1041, and the second sliding member 1042 goes obliquely downward move.

The third elastic part 1024 is set as four elastic extension springs, wherein two extension springs are fixed at one end on the base body, and the other end is fixed on the first sliding member 1041, and are arranged along the width direction of the base body 1; the other two extension springs are fixed at one end On the base 1 , the other end is fixed on the second sliding piece 1042 and arranged along the width direction of the base 1 . When the first slider 1041 and the second slider 1042 move away from the base 1 , the third elastic part 1024 is in a stretched state.

As shown in Figure 2 and Figure 5, since the second linear guide rail 10215 arranged along the width direction of the base body 1 is arranged between the second slider 1042 and the base body 1, and the second linear guide rail 10215 is arranged along the width direction of the base body 1, so , the second sliding part 1042 moves vertically along the width direction of the base body 1, and then drives the seventh positioning part 10221 to move away from the eighth positioning part 10222 along the width direction of the base body 1. At this time, the cell 3 is placed on the cell On the positioning part 102, the third elastic part 1024 returns and locks the short side of the cell 3. In this embodiment, there are four third elastic parts 1024, and the second slider of each cell positioning part 102 1042 has two third elastic parts 1024 fixed at one end thereof, which are specifically springs. The other end of the third elastic part 1024 is fixedly connected with the base body 1 , and the abutment slope angles of the two first sliding parts 1041 are the same.

In addition, the base body 1 is provided with a receiving portion 105 and a guide portion 106, the receiving portion 105 is used to receive the external driving force, and the guiding portion 106 is used to cooperate with the external carrier, so that the base body 1 is driven by the external driving force and moves on the external carrier. Swipe up in the set direction.

In terms of specific structure, as shown in Figure 6, a mounting plate 1014 is provided on the upper part of the base body 1 and at the back of the second sliding member 1042. The guide part 106 is fixedly connected to the end surface of the base body 1. The guide part 106 is two linear guide rail seats arranged along the width direction of the base body 1, adapted to the flow guide rail on the production line process, and used to move to different stations. One end of one of the linear guide rail seats is provided with a receiving portion 105, the receiving portion 105 is a first block fixedly connected to the mounting plate 1014, and there is a U-shaped groove on the first block for receiving the positioning tool dial. The movement of the moving block realizes the movement and switching of the positioning tooling between the stations.

In addition, the base 1 is provided with a positioning portion 107 , and the positioning portion is used to cooperate with a positioning piece on the external carrier to position the base 1 at a predetermined position. In terms of specific structure, as shown in Figure 6, the positioning part 107 is a second block fixedly connected to the adapter plate 4. There is a V-shaped groove on the second block, and the cam splitter driven by the external positioning cylinder is clamped on the In the V-shaped groove, the precise positioning of the positioning tool during the turnover process of different stations is realized.

Embodiment two

A lithium battery production line has a conveying mechanism, and the positioning tool in Embodiment 1 is provided at the conveying end of the conveying mechanism.

The lithium battery production line described in the utility model can improve the positioning accuracy of each station in the entire lithium battery production line by adopting the above-mentioned positioning tooling to be recycled at each station, thereby improving the installation accuracy of lithium battery parts and improving the lithium battery. the quality of.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model shall be included in the Within the protection scope of the present utility model.

Claims (10)

1. A positioning tool, characterized in that: It includes a base body (1), the base body (1) is provided with a cover plate positioning part (101) for positioning the cell cover plate (2), and an electric cell located adjacent to the cover plate positioning part (101) A core positioning part (102), the cell positioning part (102) is used to position the cell (3) on the base (1), and the cell positioning part (102) and the cover plate are positioned part (101) is connected through the communication port (103), and the communication port (103) is used for passing through the tab (301) of the battery core (3), so as to be stacked and positioned on the cover plate on the cell cover (2) in the part (101). 2. The positioning tool according to claim 1, characterized in that: The cover positioning part (101) includes a first positioning part (1011) for positioning the short side of the cell cover (2), and a first positioning part (1011) for positioning the long side of the cell cover (2) a second positioning unit (1012) for positioning; The first positioning part (1011) includes a first positioning part (10111) and a second positioning part (10112) arranged oppositely, and the first positioning part (10111) and/or the second positioning part (10112) ) is driven to move so that the first positioning part (10111) and the second positioning part (10112) are relatively far away, and the first positioning part for driving movement is provided on the base (1) The first elastic part (1013) where the part (10111) and/or the second positioning part (10112) returns. 3. The positioning tool according to claim 2, characterized in that: The second positioning part (1012) has a third positioning part (10121) and a fourth positioning part arranged oppositely, and the third positioning part (10121) is provided with a guide slope (101211), along with the first The movement of the positioning member (10111) and/or the second positioning member (10112), the first positioning member (10111) and/or the second positioning member (10112) can push the cell cover (2) Sliding along the guide slope (101211), so that both sides of the cell cover (2) abut against the third positioning piece (10121) and the fourth positioning piece respectively. 4. The positioning tool according to claim 1, characterized in that: The cell positioning part (102) includes a third positioning part (1021) for positioning the short side of the cell (3), and/or for positioning the long side of the cell (3) The fourth positioning part (1022). 5. The positioning tool according to claim 4, characterized in that: The third positioning part (1021) has a fifth positioning part (10211) and a sixth positioning part arranged oppositely, and the fifth positioning part (10211) and/or the sixth positioning part are driven to move, so that The fifth positioning member (10211) and the sixth positioning member are relatively far away, and the fifth positioning member (10211) and/or the sixth positioning member for driving movement are arranged on the base (1) The second elastic part (1023) for the return of the six positioning members; The fourth positioning part (1022) has a seventh positioning part (10221) and an eighth positioning part (10222) arranged oppositely, and the seventh positioning part (10221) and/or the eighth positioning part (10222) be driven to move so that the seventh positioning member (10221) and the eighth positioning member (10222) are relatively far apart, and the seventh positioning member for driving movement is provided on the base (1) (10221) and/or the third elastic part (1024) where the eighth positioning member (10222) returns. 6. The positioning tool according to claim 5, characterized in that: The third positioning part (1021) and the fourth positioning part (1022) are connected by transmission through a transmission mechanism (104), and the transmission mechanism (104) is driven to drive the fifth positioning part (10211) and /or the sixth positioning member and the seventh positioning member (10221) and/or the eighth positioning member act synchronously, so that the fifth positioning member (10211) and the sixth positioning member are relatively far away from each other, And make the seventh positioning part (10221) and the eighth positioning part (10222) relatively far away. 7. The positioning tool according to claim 6, characterized in that: The transmission mechanism (104) includes a first sliding member (1041) slidingly arranged on the base body (1) along a first direction, and a second sliding member (1041) slidingly arranged on the base body (1) along a second direction (1042), the second sliding member (1042) is provided with a rolling member (1043), and the first sliding member (1041) is provided with an abutment slope that rolls in contact with the rolling member (1043) , and the first direction is orthogonal to the second direction, the first sliding member (1041) is connected to the fifth positioning member (10211) or the sixth positioning member, and the second sliding member (1042) is connected with the seventh positioning part (10221) or the eighth positioning part (10222). 8. The positioning tool according to claim 1, characterized in that: The base (1) is provided with a receiving part (105) and a guide part (106), the receiving part (105) is used to receive the external driving force, and the guide part (106) is used to cooperate with the external carrier to The base body (1) is driven by the external driving force to slide along the set direction on the external carrier. 9. The positioning tool according to claim 8, characterized in that: The base body (1) is provided with a positioning part (107), and the positioning part is used to cooperate with a positioning piece on the external carrier to position the base body (1) at a preset position. 10. A lithium battery production line with a conveying mechanism, characterized in that at least one positioning tool according to any one of claims 1 to 9 is provided at the conveying end of the conveying mechanism.

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