CN219180565U - Stacked extrusion tool and extrusion trolley - Google Patents

Abstract

The utility model discloses a stacking extrusion tooling and an extrusion trolley, wherein the stacking extrusion tooling comprises a base frame, a supporting structure, an extrusion assembly, a first positioning structure and a second positioning structure, wherein the supporting structure is suitable for bearing a battery module, the extrusion assembly comprises a first extrusion piece and a second extrusion piece, the first extrusion piece and the second extrusion piece are respectively arranged at two sides of the supporting structure, the first positioning structure is arranged at one side of the first extrusion piece, which faces the second positioning structure, the first positioning structure is suitable for being inserted into a first end cover, the second positioning structure is arranged at one side of the second extrusion piece, which faces the first positioning structure, the second positioning structure is suitable for being inserted into a second end cover, and a first installation space is reserved between the first end cover and the first extrusion piece when the first end cover is installed in the first positioning structure; a second mounting space is provided between the second end cap and the second extrusion when the second end cap is mounted within the second locating structure. The stacking backlog tool with the structure is beneficial to improving the structural consistency of the battery module.

Description

Stacked extrusion tool and extrusion trolley

Technical Field

The utility model relates to the technical field of battery modules, in particular to a stacking extrusion tool and an extrusion trolley.

Background

With the continuous development of technology, the new energy industry is continuously developing and growing, and the country also supports the development of new energy, so the market demand of lithium batteries is rapidly increasing.

For a vehicle, the energy density and the space utilization rate of the battery module play a vital role in the performance of the whole vehicle. Because the loading space of the electric vehicle is limited, special requirements are made on the size and grouping mode of the battery modules, such as requirements for ensuring the uniformity of the batteries, the flatness of the poles of the batteries and the overall dimension of the battery modules when the side plates and the end covers are welded.

In the prior art, after the battery modules are stacked, the battery modules are generally fixed through steel belts or packing belts, however, the traditional fixture can only extrude the battery modules, can not control the rebound size of the battery modules, can not prevent excessive extrusion, and causes the problems of uneven stress between battery module cells and poor structural consistency of the battery modules.

Disclosure of Invention

Therefore, the technical problem to be solved by the utility model is to overcome the defects that the stacking extrusion tooling in the prior art cannot control the rebound size of the battery module, and cannot prevent excessive extrusion, so that the stress among the battery cells of the battery module is uneven and the structural consistency of the battery module is poor.

For this purpose, the utility model provides a stack extrusion tooling comprising:

a base frame;

the support structure is arranged on the base frame and is suitable for bearing the battery module;

the extrusion assembly is arranged on the base frame and comprises a first extrusion part and a second extrusion part, and the first extrusion part and the second extrusion part are respectively arranged at two sides of the supporting structure;

the first positioning structure is arranged on one side of the first extrusion part facing the second positioning structure, the first positioning structure is suitable for being inserted into the first end cover, the second positioning structure is arranged on one side of the second extrusion part facing the first positioning structure, and the second positioning structure is suitable for being inserted into the second end cover;

wherein a first installation space is provided between the first end cap and the first extrusion when the first end cap is installed in the first positioning structure; a second mounting space is provided between the second end cap and the second extrusion when the second end cap is mounted within the second locating structure.

Optionally, the stacking extrusion tool includes at least two first positioning rods, the first positioning rods are detachably installed on the first extrusion piece, and the first positioning rods penetrate through the installation holes of the first end cover; and/or the number of the groups of groups,

the second positioning structure comprises at least two second positioning rods, the second positioning rods are detachably arranged on the second extrusion piece, and the second positioning rods penetrate through the mounting holes of the second end cover.

Optionally, in the stacking extrusion tooling, any one of the first positioning rod and the second positioning rod is provided with a rod body and a limiting part arranged on the rod body;

any extrusion piece in the first extrusion piece and the second extrusion piece is provided with a penetrating hole, the penetrating hole is suitable for the body of the rod to penetrate, and the limiting part can be abutted to the extrusion piece.

Optionally, in the stacking extrusion tool, a plurality of first abdicating grooves are formed on the first extrusion piece, and the first installation space is formed between the bottom of each first abdicating groove and the first end cover; and/or

A plurality of second abdication grooves are formed in the second extrusion piece, and a second installation space is formed between the groove bottoms of the second abdication grooves and the second end cover.

Optionally, the stacking extrusion tooling described above, the extrusion assembly further includes:

the first driving piece is connected with the first extrusion piece so as to drive the first extrusion piece to slide towards the second extrusion piece; and/or the number of the groups of groups,

the second driving piece is connected with the second extrusion piece so as to drive the second extrusion piece to slide towards the first extrusion piece.

Optionally, the stacking extrusion tooling further includes a fixing structure, where the fixing structure includes:

the first pressing piece is suitable for being driven by the first driving piece to be close to the battery module or far away from the battery module on the first fixing table;

the second fixed table is arranged on the other side of the supporting structure, the second extrusion piece is arranged on the second fixed table, and the second extrusion piece is suitable for being driven by the second driving piece to be close to the battery module or far away from the battery module on the second fixed table.

Optionally, in the stacking extrusion tool, a first movable hole is formed on any fixed table;

any driving piece is a rotating screw rod, one end of any rotating screw rod penetrates through the first movable hole and is connected with the corresponding extrusion piece, the other end of the rotating screw rod is connected with an external motor, and the rotating screw rod is suitable for driving any extrusion piece to be close to the battery module or far away from the battery module under the driving of the external motor.

Optionally, in the stacking extrusion tool, a second movable hole is further formed in any fixed table;

any one of the rotating screw rods is provided with a moving part, the moving part is suitable for moving on the rotating screw rod along the extending direction of the rotating screw rod, the moving part is connected with any one of the extrusion parts through a push-pull rod, one end of the push-pull rod penetrates through the second movable hole to be connected with any one of the extrusion parts, and the other end of the push-pull rod is connected with the moving part.

Optionally, the stacking extrusion tooling further includes a baffle, the baffle is connected with the first fixing table, and the baffle is suitable for aligning the battery module.

Optionally, in the stacking extrusion tool, the supporting structure is a supporting plate.

The extrusion trolley comprises the stacking extrusion tool.

The technical scheme provided by the utility model has the following advantages:

1. the utility model provides a stacking extrusion tooling, which comprises a base frame, a supporting structure, an extrusion assembly, a first positioning structure and a second positioning structure, wherein the supporting structure is arranged on the base frame and is suitable for bearing a battery module; a second mounting space is provided between the second end cap and the second extrusion when the second end cap is mounted within the second locating structure.

The stacked extrusion tooling of the structure can bear the battery module through the supporting structure, the extrusion assembly, the first positioning structure and the second positioning structure which are arranged on the base frame, the first extrusion piece and the second extrusion piece can extrude the battery module, so that the battery module can reach the required size, when the battery module needs to be extruded, the first end cover and the second end cover are firstly arranged on the first extrusion piece and the second extrusion piece, the first end cover and the second end cover are fixed on the extrusion piece through the first positioning structure and the second positioning structure, and then the battery module is extruded through the extrusion piece until the battery module is extruded to the required size, the packaging belt passes through the first installation space and the second extrusion piece to tie up the extruded battery module, and as the first end cover and the second end cover are respectively fixed on the first extrusion piece and the second extrusion piece, rebound of the battery module is avoided, and re-extrusion is caused to the battery module, so that stress between battery modules is uneven, and the battery module cells is favorable for improving the structural consistency of the battery module.

2. The stacking extrusion tooling provided by the utility model has the advantages that the first positioning structure comprises at least two first positioning rods, the first positioning rods are detachably arranged on the first extrusion piece, the first positioning rods are arranged on the mounting holes of the first end cover in a penetrating manner, the second positioning structure comprises at least two second positioning rods, the second positioning rods are detachably arranged on the second extrusion piece, and the second positioning rods are arranged on the mounting holes of the second end cover in a penetrating manner; any positioning rod is provided with a rod body and a limiting part arranged on the rod body, and any extrusion piece is provided with a penetrating hole in the first extrusion piece and the second extrusion piece, the penetrating hole is suitable for penetrating the rod body, and the limiting part can be abutted on the extrusion piece.

According to the stacking extrusion tooling, the first positioning structure is the first positioning rod, the second positioning structure is the second positioning rod, when the end cover is installed on the extrusion piece, any positioning rod can penetrate through the installation hole on the end cover and fix the end cover on the extrusion piece, the extrusion piece drives the end cover to extrude the battery module, and after the extrusion is completed, the packaging belt penetrates through the installation space to bind the battery module, so that rebound of the battery module and re-extrusion of the battery module are avoided, and the structural consistency of the battery module is further improved; through setting up arbitrary locating lever and having body of rod body and spacing portion and opening the hole of establishing on setting up arbitrary extrusion piece, when the end cover was installed on the extrusion piece, the position alignment of hole and mounting hole was established in the wearing, and body of rod body can pass and wear to establish hole and mounting hole and fix the end cover on the extrusion piece, and spacing portion can prevent that body of rod body from all penetrating in the mounting hole, leads to unable take out the locating lever, is favorable to convenient and fast's taking out the locating lever.

3. According to the stacking extrusion tooling provided by the utility model, the first extrusion piece is provided with the plurality of first abdication grooves, and a first installation space is formed between the bottom of each first abdication groove and the first end cover; and/or a plurality of second abdication grooves are arranged on the second extrusion piece, and a second installation space is formed between the bottoms of the second abdication grooves and the second end cover; the extrusion assembly further comprises a first driving piece and a second driving piece, wherein the first driving piece is connected with the first extrusion piece so as to drive the first extrusion piece to slide towards the second extrusion piece; the second driving piece is connected with the second extrusion piece so as to drive the second extrusion piece to slide towards the first extrusion piece.

According to the stacking extrusion tooling, through the first abdicating groove arranged on the first extrusion piece and the second abdicating groove arranged on the second extrusion piece, after the extrusion of the battery module is completed by the extrusion piece, the packing belt can pass through the abdicating groove and bind the battery module, so that the battery module can be bound and packed conveniently and rapidly; through setting up the first driving piece of being connected with first extrusion piece and the second driving piece of being connected with the second extrusion piece, first driving piece can promote the direction removal of first extrusion piece to battery module, and the second driving piece also can promote the direction removal of second extrusion piece to battery module to make first extrusion piece and second extrusion piece can extrude battery module, make battery module reach required size.

4. The utility model provides a stacking extrusion tool which also comprises a fixing structure, wherein the fixing structure comprises a first fixing table and a second fixing table, the first fixing table is arranged on one side of a supporting structure, a first extrusion piece is arranged on the first fixing table, and the first extrusion piece is suitable for being driven by a first driving piece to be close to a battery module or far from the battery module on the first fixing table; the second fixed station is arranged on the other side of the supporting structure, the second extrusion piece is arranged on the second fixed station, and the second extrusion piece is suitable for being driven by the second driving piece to be close to the battery module or far away from the battery module on the second fixed station.

The stacked extrusion tooling of the structure comprises a first fixed table and a second fixed table which are arranged on a supporting structure, wherein a first extrusion part is arranged on the first fixed table, and a second extrusion part is arranged on the second fixed table, so that the first extrusion part and the second extrusion part are fixed on the supporting structure, and the first extrusion part and the second extrusion part can extrude a battery module arranged on the supporting structure.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a stacking extrusion tooling provided in an embodiment of the present utility model;

fig. 2 is a schematic structural view of a stack extrusion tooling provided in an embodiment of the present utility model with a battery module;

reference numerals illustrate:

1-a base frame;

2-a support structure;

31-a first extrusion; 32-a second extrusion; 33-a first relief groove; 34-a second relief groove; 35-a first fixed stage; 36-a second fixed stage; 37-turning the screw; 38-a moving member; 39-push-pull rod;

41-a first positioning rod; 42-a second positioning rod; 43-limit part;

5-baffle.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

Example 1

The embodiment provides a stacking extrusion tooling, as shown in fig. 1 and 2, which comprises a base frame 1, a supporting structure 2, an extrusion assembly, a first positioning structure and a second positioning structure, wherein the supporting structure 2 is arranged on the base frame 1 and is suitable for bearing a battery module, the extrusion assembly is arranged on the base frame 1 and comprises a first extrusion piece 31 and a second extrusion piece 32, the first extrusion piece 31 and the second extrusion piece 32 are respectively arranged on two sides of the supporting structure 2, the first positioning structure is arranged on one side of the first extrusion piece 31 facing the second positioning structure, the first positioning structure is suitable for being inserted into a first end cover, the second positioning structure is arranged on one side of the second extrusion piece 32 facing the first positioning structure, and the second positioning structure is suitable for being inserted into a second end cover, wherein when the first end cover is installed in the first positioning structure, a first installation space is reserved between the first end cover and the first extrusion piece 31; there is a second installation space between the second end cap and the second extrusion 32 when the second end cap is installed in the second locating structure. The stacked extrusion tooling of the structure comprises the supporting structure 2 arranged on the base frame 1, the extrusion assembly, the first positioning structure and the second positioning structure, the supporting structure 2 can bear the battery module, the first extrusion piece 31 and the second extrusion piece 32 can extrude the battery module to achieve the required size, when the battery module needs to be extruded, the first end cover and the second end cover are firstly arranged on the first extrusion piece 31 and the second extrusion piece 32, the first end cover and the second end cover are fixed on the extrusion piece through the first positioning structure and the second positioning structure, then the battery module is extruded through the extrusion piece until the extruded battery module is extruded to the required size, and the packaging belt passes through the first installation space and the second installation space to bind the extruded battery module.

The stacking extrusion tooling provided in this embodiment, as shown in fig. 1 and 2, includes at least two first positioning rods 41, the first positioning rods 41 are detachably mounted on the first extrusion member 31, the first positioning rods 41 are threaded on the mounting holes of the first end cover, and the second positioning structure includes at least two second positioning rods 42, the second positioning rods 42 are detachably mounted on the second extrusion member 32, and the second positioning rods 42 are threaded on the mounting holes of the second end cover. The stacking extrusion tooling of the structure is characterized in that the first positioning rod 41 is arranged on the first positioning structure, the second positioning rod 42 is arranged on the second positioning structure, when the end cover is arranged on the extrusion piece, any positioning rod can penetrate through the mounting hole on the end cover and fix the end cover on the extrusion piece, the extrusion piece drives the end cover to extrude the battery module, after the extrusion is completed, the packaging belt penetrates through the mounting space to bind the battery module, rebound of the battery module is avoided, the battery module is extruded again, and structural consistency of the battery module is further improved.

As shown in fig. 1 and 2, in the stacking extrusion tooling provided in this embodiment, any one of the first positioning rod 41 and the second positioning rod 42 has a rod body and a limiting portion 43 disposed on the rod body, and in the first extrusion 31 and the second extrusion 32, any one of the extrusions has a penetrating hole, the penetrating hole is suitable for the rod body to penetrate, and the limiting portion 43 can be abutted against the extrusion. The stacking extrusion tooling of the structure has the advantages that any positioning rod is provided with the rod body, the limiting part 43 and the penetrating hole in any extrusion part, when the end cover is installed on the extrusion part, the penetrating hole is aligned with the position of the mounting hole, the rod body can penetrate through the penetrating hole and the mounting hole to fix the end cover on the extrusion part, the limiting part 43 can prevent the rod body from penetrating into the mounting hole completely, so that the positioning rod cannot be taken out, and the positioning rod is convenient and quick to take out.

As shown in fig. 1 and 2, the stacking extrusion tool provided in this embodiment is provided with a plurality of first relief grooves 33 on the first extrusion member 31, and a first installation space is formed between the bottom of the first relief grooves 33 and the first end cover; and a plurality of second relief grooves 34 are provided on the second pressing member 32, and a second installation space is formed between the groove bottoms of the second relief grooves 34 and the second end cover. The stacking extrusion tooling of the structure comprises the first yielding groove 33 formed in the first extrusion piece 31 and the second yielding groove 34 formed in the second extrusion piece 32, and after the extrusion of the battery module is completed, the packaging belt can penetrate through the yielding groove and bind the battery module, so that the battery module is conveniently and rapidly bound and packaged.

As shown in fig. 1 and 2, the stacking extrusion tool provided in this embodiment further includes a first driving member and a second driving member, where the first driving member is connected to the first extrusion member 31 to drive the first extrusion member 31 to slide toward the second extrusion member 32; and the second driving member is connected to the second pressing member 32 to drive the second pressing member 32 to slide toward the first pressing member 31. The stacking extrusion tooling with the structure can push the first extrusion piece 31 to move towards the battery module through arranging the first driving piece connected with the first extrusion piece 31 and the second driving piece connected with the second extrusion piece 32, and the second driving piece can also push the second extrusion piece 32 to move towards the battery module, so that the first extrusion piece 31 and the second extrusion piece 32 can extrude the battery module, and the battery module can reach the required size.

The stacking extrusion tooling provided in this embodiment, as shown in fig. 1 and 2, further includes a fixing structure, where the fixing structure includes a first fixing table 35 and a second fixing table 36, the first fixing table 35 is disposed on one side of the supporting structure 2, the first extrusion member 31 is disposed on the first fixing table 35, and the first extrusion member 31 is adapted to be driven by the first driving member to approach the battery module or to be far away from the battery module on the first fixing table 35; the second fixing table 36 is provided at the other side of the support structure 2, the second pressing member 32 is provided on the second fixing table 36, and the second pressing member 32 is adapted to be moved toward or away from the battery module on the second fixing table 36 by the second driving member. The stacking extrusion tooling of the structure is characterized in that the first extrusion piece 31 is arranged on the first fixing table 35, and the second extrusion piece 32 is arranged on the second fixing table 36 through the first fixing table 35 and the second fixing table 36 which are arranged on the supporting structure 2, so that the first extrusion piece 31 and the second extrusion piece 32 are fixed on the supporting structure 2, and the first extrusion piece 31 and the second extrusion piece 32 can extrude the battery module arranged on the supporting structure 2.

As shown in fig. 1 and fig. 2, a first movable hole is formed in any one of the fixing tables; any driving piece is a rotating screw rod 37, one end of any rotating screw rod 37 penetrates through the first movable hole and is connected with a corresponding extrusion piece, the other end of the rotating screw rod 37 is connected with an external motor, and the rotating screw rod 37 is suitable for driving any extrusion piece to be close to the battery module or far away from the battery module under the driving of the external motor. The stacking extrusion tooling of the structure comprises a rotary screw 37, wherein the rotary screw 37 is provided with a first movable hole on any fixed table, a driving piece is arranged on the first movable hole, one end of the rotary screw 37 penetrates through the first movable hole to be connected with an extrusion piece, the other end of the rotary screw 37 is connected with a motor, and under the driving of the motor, the rotary screw 37 starts to rotate to drive the extrusion piece to move on the rotary screw 37, so that the battery module is extruded.

As shown in fig. 1 and fig. 2, the stacking extrusion tool provided in this embodiment is further provided with a second movable hole on any one of the fixing tables; the moving piece 38 is arranged on any rotating screw rod 37, the moving piece 38 is suitable for moving on the rotating screw rod 37 along the extending direction of the rotating screw rod 37, the moving piece 38 is connected with any extrusion piece through a push-pull rod 39, one end of the push-pull rod 39 penetrates through the second movable hole to be connected with any extrusion piece, and the other end of the push-pull rod 39 is connected with the moving piece 38. The stacking extrusion tooling with the structure comprises a second movable hole formed in any fixed table, a moving piece 38 arranged on a rotating screw rod 37 and a push-pull rod 39 connected with the moving piece 38 and an extrusion piece, wherein one end of the push-pull rod 39 penetrates through the second movable hole to be connected with the extrusion piece, the other end of the push-pull rod 39 is connected with the moving piece 38, when the rotating screw rod 37 rotates under the driving of a motor, the moving piece 38 moves on the rotating screw rod 37 and drives the extrusion piece to move together through the push-pull rod 39, so that the battery module is extruded.

The stacking extrusion tooling provided in this embodiment, as shown in fig. 1 and 2, further includes a baffle plate 5, where the baffle plate 5 is connected with the first fixing table 35, and the baffle plate 5 is adapted to block the battery module. The stacking extrusion tooling of the structure is characterized in that the baffle 5 connected with the first fixing table 35 is used, the extending direction of the baffle 5 is the same as that of the supporting structure 2, when the battery module is placed on the supporting structure 2, the baffle 5 can block the battery module, the battery module is prevented from falling off the supporting structure 2, and meanwhile, the baffle 5 can align the length direction of the battery module.

In the stacking extrusion tool provided in this embodiment, as shown in fig. 1 and fig. 2, the support structure 2 is a support plate. Above-mentioned structure piles up extrusion frock is backup pad through setting up bearing structure 2, and the holding surface and the ground parallel of backup pad, and battery module can keep flat in the backup pad to make the extrusion piece can extrude battery module's length direction.

Example 2

The embodiment provides an extrusion trolley, including foretell stack extrusion frock. The extrusion dolly of above-mentioned structure, through the bearing structure 2 that sets up on bed frame 1, extrusion subassembly and first location structure and second location structure, bearing structure 2 can bear the battery module, first extrusion 31 and second extrusion 32 homoenergetic extrude the battery module, make the battery module reach required size, when needs extrude the battery module, first end cover and second end cover are installed on first extrusion 31 and second extrusion 32 at first, fix first end cover and second end cover on the extrusion through first location structure and second location structure, afterwards extrude the battery module through the extrusion, when extruding the size of needs, the battery module after passing first installation space and second installation space will extrude is tied up to the packing area, avoided the battery module to take place to rebound and cause the extrusion again to the battery module, cause the atress inhomogeneous between the battery module electric core, be favorable to improving the structural consistency of battery module.

The utility model provides a stacking extrusion tool, which comprises the following working processes:

firstly, placing a battery module on a supporting plate; then, the end cover is installed on the extrusion piece, and the end cover is fixed on the extrusion piece through the positioning rod; then, the motor is started to rotate the rotating screw rod 37 and drive the moving piece 38 to move on the rotating screw rod 37; then, the extrusion is driven by the push-pull rod 39 to move towards the battery module together; finally, the extrusion piece contacts the battery module and extrudes the battery module until the extrusion piece is extruded to a required size. Thus, the working process of the stacking extrusion tool is completed.

According to the stacking extrusion tooling provided by the utility model, the battery module can be borne by the supporting structure 2, the extrusion component, the first positioning structure and the second positioning structure which are arranged on the base frame 1, the first extrusion piece 31 and the second extrusion piece 32 can extrude the battery module, so that the battery module can reach a required size, when the battery module is required to be extruded, the first end cover and the second end cover are firstly arranged on the first extrusion piece 31 and the second extrusion piece 32, the first end cover and the second end cover are fixed on the extrusion piece through the first positioning structure and the second positioning structure, then the battery module is extruded through the extrusion piece until the extruded battery module reaches the required size, and the packaging belt passes through the first installation space and the second installation space to bind the extruded battery module.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the utility model.

Claims (11)

1. The utility model provides a pile up extrusion frock which characterized in that includes:

a base frame (1);

a support structure (2) arranged on the base frame (1), the support structure (2) being adapted to carry a battery module;

the extrusion assembly is arranged on the base frame (1) and comprises a first extrusion part (31) and a second extrusion part (32), and the first extrusion part (31) and the second extrusion part (32) are respectively arranged on two sides of the supporting structure (2);

the first positioning structure is arranged on one side of the first extrusion (31) facing the second positioning structure, the first positioning structure is suitable for being inserted into a first end cover, the second positioning structure is arranged on one side of the second extrusion (32) facing the first positioning structure, and the second positioning structure is suitable for being inserted into a second end cover;

wherein a first mounting space is provided between the first end cap and the first extrusion (31) when the first end cap is mounted within the first positioning structure; a second mounting space is provided between the second end cap and the second extrusion (32) when the second end cap is mounted within the second locating structure.

2. The stack extrusion tooling of claim 1, wherein,

the first positioning structure comprises at least two first positioning rods (41), the first positioning rods (41) are detachably arranged on the first extrusion piece (31), and the first positioning rods (41) are arranged on the mounting holes of the first end cover in a penetrating mode; and/or the number of the groups of groups,

the second positioning structure comprises at least two second positioning rods (42), the second positioning rods (42) are detachably mounted on the second extrusion (32), and the second positioning rods (42) penetrate through mounting holes of the second end cover.

3. The stack extrusion tooling of claim 2, wherein,

any one of the first positioning rod (41) and the second positioning rod (42) is provided with a rod body and a limiting part (43) arranged on the rod body;

any one of the first extrusion piece (31) and the second extrusion piece (32) is provided with a penetrating hole, the penetrating hole is suitable for penetrating the rod body, and the limiting part (43) can be abutted to the extrusion piece.

4. The stack extrusion tooling of claim 3, wherein,

a plurality of first giving-up grooves (33) are formed on the first extrusion piece (31), and the first installation space is formed between the groove bottoms of the first giving-up grooves (33) and the first end cover; and/or

A plurality of second abdication grooves (34) are arranged on the second extrusion piece (32), and a second installation space is formed between the groove bottoms of the second abdication grooves (34) and the second end cover.

5. The stack extrusion tooling of any one of claims 1-4, wherein the extrusion assembly further comprises:

the first driving piece is connected with the first extrusion piece (31) so as to drive the first extrusion piece (31) to slide towards the second extrusion piece (32); and/or the number of the groups of groups,

and the second driving piece is connected with the second extrusion piece (32) so as to drive the second extrusion piece (32) to slide towards the first extrusion piece (31).

6. The stack extrusion tooling of claim 5, further comprising a securing structure comprising:

a first fixed table (35), the first fixed table (35) is arranged on one side of the supporting structure (2), the first extrusion (31) is arranged on the first fixed table (35), and the first extrusion (31) is suitable for being driven by the first driving piece to be close to the battery module or far from the battery module on the first fixed table (35);

a second fixed table (36), the second fixed table (36) is arranged on the other side of the supporting structure (2), the second extrusion (32) is arranged on the second fixed table (36), and the second extrusion (32) is suitable for being driven by the second driving piece to be close to the battery module or far away from the battery module on the second fixed table (36).

7. The stack extrusion tooling of claim 6, wherein,

a first movable hole is formed in any fixed table;

any driving piece is a rotating screw rod (37), one end of any rotating screw rod (37) penetrates through the first movable hole and is connected with the corresponding extrusion piece, the other end of the rotating screw rod (37) is connected with an external motor, and the rotating screw rod (37) is suitable for driving any extrusion piece to be close to the battery module or far away from the battery module under the driving of the external motor.

8. The stack extrusion tooling of claim 7, wherein,

a second movable hole is also formed on any fixed table;

any one of the rotating screw rods (37) is provided with a moving part (38), the moving part (38) is suitable for moving on the rotating screw rod (37) along the extending direction of the rotating screw rod (37), the moving part (38) is connected with any one of the extrusion parts through a push-pull rod (39), one end of the push-pull rod (39) penetrates through the second movable hole to be connected with any one of the extrusion parts, and the other end of the push-pull rod is connected with the moving part (38).

9. The stack extrusion tooling of claim 6, further comprising a baffle (5), the baffle (5) being connected with the first stationary stage (35), the baffle (5) being adapted to block the battery module.

10. The stack extrusion tooling according to claim 9, wherein the support structure (2) is a support plate.

11. An extrusion trolley comprising the stack extrusion tooling of any one of claims 1-10.

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