CN115566248A - Battery cell module stacking and extruding device and extruding processing method - Google Patents
Battery cell module stacking and extruding device and extruding processing method Download PDFInfo
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- CN115566248A CN115566248A CN202211378654.9A CN202211378654A CN115566248A CN 115566248 A CN115566248 A CN 115566248A CN 202211378654 A CN202211378654 A CN 202211378654A CN 115566248 A CN115566248 A CN 115566248A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
- H01M10/0404—Machines for assembling batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The invention provides a battery cell module stacking and extruding device and an extruding processing method, and belongs to the technical field of new energy batteries. This electricity core module piles up extrusion device includes mounting platform, terminal surface hold-down mechanism and top layering. The bottom positioning plate is arranged on the mounting surface of the mounting platform, the end face pressing mechanism comprises a first support, a second support, an end pressing plate and a driving shaft, the first support and the second support are respectively arranged on two sides of the bottom positioning plate, the driving shaft is slidably arranged on the first support in a penetrating mode, the end pressing plate is connected to one end of the driving shaft, the other end of the driving shaft is used for being connected with a driving device, one end of a top pressing strip is rotatably connected with the first support through a rotating shaft, and the second support is provided with a locking structure. Adopt this electric core module to pile up extrusion device and can solve and appear that vertical drunkenness appears in monomer electric core in the electric core module extrusion process and lead to utmost point post not on same horizontal plane, and then cause the problem that follow-up welding precision and product yield are low.
Description
Technical Field
The invention relates to the technical field of new energy batteries, in particular to a battery cell module stacking and extruding device, a battery and an extruding processing method.
Background
In the new energy battery field, in order to improve duration, often need couple together the electric core of different quantity through the connection of establishing ties in parallel to form the electricity core module to provide corresponding voltage or electric current and supply the load end and use. When the equipment, a plurality of monomer electric cores are arranged into one row in proper order and paste each other tightly, then pass through end plate and curb plate with one row of monomer electric core and combine together to form the electric core module again.
In the related art, in order to reduce the clearance of the battery cell module between a plurality of monomer batteries after the equipment, extrusion processing is generally required to be performed on the battery cell module. The end plates at the two ends of the cell module are pressed through the extrusion device, so that a plurality of monomer cells sequentially arranged between the two end plates are attached to each other.
In the extrusion process who carries out electric core module, because there is certain fitting gap between a plurality of monomer electricity cores, adjacent monomer electricity core can take place relative sliding along the direction of height at the in-process of mutual contact when the extrusion, and then make the monomer battery not on same horizontal plane in the battery module after the equipment is accomplished, the monomer electricity core in the battery module can appear the height uneven, monomer battery's utmost point post is not on same horizontal plane, this can lead to when converging the welding to electric core module, busbar and utmost point post are not on same horizontal plane, thereby cause the welding rosin joint, the inside not hard up phenomenon of welding back, lead to the product yield low.
Disclosure of Invention
The embodiment of the invention provides a cell module stacking and extruding device and an extruding processing method, which can solve the problems that in a cell module extruding procedure, longitudinal movement of a single cell occurs, so that poles are not on the same horizontal plane, and further, the subsequent welding precision and the product yield are low. The technical scheme is as follows:
in a first aspect, an embodiment of the present invention provides a cell module stacking and extruding apparatus, including:
a mounting platform, an end face pressing mechanism and a top pressing strip,
the mounting platform is provided with a mounting surface, a bottom positioning plate is arranged on the mounting surface, the end face pressing mechanism comprises a first support, a second support, an end pressing plate and a driving shaft, the first support and the second support are respectively arranged on two sides of the bottom positioning plate, the driving shaft is parallel to the mounting surface, the driving shaft is slidably arranged on the first support in a penetrating manner, the end pressing plate is connected to one end, located between the first support and the second support, of the driving shaft, the other end of the driving shaft is used for being connected with a driving device,
one end of the top pressing strip is rotatably connected with the first support through a rotating shaft, the rotating shaft is parallel to the bottom positioning plate and perpendicular to the driving shaft, and a lock catch structure matched with the other end of the top pressing strip is arranged on the second support.
Optionally, a first end face limiting rod is arranged on the first support, the first end face limiting rod is parallel to the driving shaft, one end of the first end face limiting rod is connected with the first support, the other end of the first end face limiting rod is located between the first support and the second support, and the other end of the first end face limiting rod is used for being matched with a positioning hole in an end plate on one side of the cell module.
Optionally, a second end face limiting rod is arranged on the second support, the second end face limiting rod penetrates through the second support, one end of the second end face limiting rod is located between the first support and the second support, the second end face limiting rod and the first end face limiting rod are arranged coaxially, and one end of the second end face limiting rod is used for being matched with a positioning hole in the end plate on the other side of the cell module.
Optionally, a distance between one end of the second end face limiting rod and the other end of the first end face limiting rod is adjustable.
Optionally, the first support is provided with a plurality of first end face limiting rods, the first end face limiting rods are uniformly arranged at intervals along a direction parallel to the bottom positioning plate, and the second support is provided with a plurality of second end face limiting rods in one-to-one correspondence with the first end face limiting rods.
Optionally, the battery cell module stacking and extruding device further comprises two side pressing mechanisms, each side pressing mechanism comprises a side pushing plate, a sliding block and a sliding rail, the sliding rail is arranged on the mounting surface and perpendicular to the driving shaft, the sliding block is slidably mounted on the sliding rail, the side pushing plates are connected onto the sliding block, the side pushing plates are perpendicular to the end pressing plates and the bottom positioning plate, and the two side pressing mechanisms are respectively arranged on two sides of the bottom positioning plate and are symmetrically arranged relative to the first support, the bottom positioning plate and the second support.
Optionally, be provided with multiunit utmost point post mounting hole on the bottom locating plate, every group utmost point post mounting hole all includes two that are used for corresponding electric core positive post and electric core negative pole utmost point post mounting hole, multiunit utmost point post mounting hole is followed the even interval arrangement of axis direction of drive shaft.
Optionally, the cell module stacking and pressing device comprises two top pressing strips, and the two top pressing strips are symmetrically arranged relative to the driving shaft.
Optionally, a holding handle is arranged on the top batten.
In a second aspect, an embodiment of the present invention further provides an extrusion processing method, which is implemented based on the cell module stacking and extruding apparatus in the first aspect, where the cell module includes two end plates and a plurality of cells, and the plurality of cells are sequentially arranged between the two end plates, and the extrusion processing method includes:
unlocking the lock catch structure and lifting the other end of the top pressing strip;
placing the battery cell module on the bottom positioning plate, so that the polar columns of the plurality of battery cells in the battery cell module are in contact with the bottom positioning plate, and the two end plates of the battery cell module are respectively over against the space between the end pressing plate and the second support;
rotating the other end of the top pressing strip to the second support again to enable the top pressing strip to tightly press the battery cell module and to be locked by the lock catch structure;
utilize the drive shaft drive the tip clamp plate is right the electricity core module carries out extrusion processing.
The technical scheme provided by the embodiment of the invention has the beneficial effects that at least:
by adopting the cell module stacking and extruding device provided by the embodiment of the invention, when the cell module is extruded, the surfaces of a plurality of cells in the cell module, which are provided with the polar columns, are supported by the bottom positioning plate, and the cell module is compressed and limited from the upper part by the locked top pressing strip, so that the surface of each single cell, which is provided with the polar columns, is attached to the bottom positioning plate, and the surfaces of the cells, which are provided with the polar columns, are positioned on the same horizontal plane. Realize carrying out extrusion processing by the horizontal direction to electric core module at the in-process that eliminates fit-up gap utilizing the tip clamp plate from this, the utmost point post of a plurality of electric cores is in on the same horizontal plane all the time to it leads to utmost point post not on same horizontal plane to appear vertical drunkenness to appear in the monomer electric core in electric core module extrusion process to solve, and then causes follow-up welding precision and the problem that the product yield is low.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic perspective view of a cell module stacking and extruding apparatus according to an embodiment of the present invention;
fig. 2 is a schematic top view of a cell module stacking and pressing apparatus according to an embodiment of the present invention;
fig. 3 is a schematic front view of a cell module stacking and pressing device according to an embodiment of the present invention;
fig. 4 is a schematic diagram of a right-view structure of a cell module stacking and extruding device provided in an embodiment of the present invention;
fig. 5 is a schematic view of a partially enlarged structure of a cell module stacking and extruding apparatus according to an embodiment of the present invention;
FIG. 6 is a schematic top view of a bottom positioning plate according to an embodiment of the present invention;
fig. 7 is a flowchart of an extrusion processing method according to an embodiment of the present invention.
In the figure:
1-mounting a platform; 2-a mounting surface; 2-end face pressing mechanism; 3-pressing a top strip; 4-side hold down mechanism; 5-battery cell module; 11-a bottom positioning plate; 21-a first support; 22-a second support; 23-end press plate; 24-a drive shaft; 31-a rotating shaft; 32-a grip handle; 41-side push plate; 42-a slide block; 43-a slide rail; 51-an end plate; 52-electric core; 111-pole mounting holes; 211-a first end face restraint bar; 221-a locking notch structure; 222-second end stop.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
In the correlation technique, in order to reduce the clearance of electricity core module between a plurality of monomer batteries of equipment back, generally need carry out extrusion process to the electricity core module. The end plates at the two ends of the cell module are pressed through the extrusion device, so that a plurality of monomer cells sequentially arranged between the two end plates are attached to each other.
In the extrusion process who carries out electric core module, because there is certain fitting gap between a plurality of monomer electricity cores, adjacent monomer electricity core can take place relative sliding along the direction of height at the in-process of mutual contact when the extrusion, and then make the monomer battery not on same horizontal plane in the battery module after the equipment is accomplished, the monomer electricity core in the battery module can appear the height uneven, monomer battery's utmost point post is not on same horizontal plane, this can lead to when converging the welding to electric core module, busbar and utmost point post are not on same horizontal plane, thereby cause the welding rosin joint, the inside not hard up phenomenon of welding back, lead to the product yield low.
Fig. 1 is a schematic perspective view of a cell module stacking and extruding device according to an embodiment of the present invention. Fig. 2 is a schematic top view of a cell module stacking and pressing device according to an embodiment of the present invention. Fig. 3 is a schematic front view of a cell module stacking and pressing device according to an embodiment of the present invention. Fig. 4 is a schematic diagram of a right-side view structure of a cell module stacking and pressing device according to an embodiment of the present invention. Fig. 5 is a schematic view of a partially enlarged structure of a cell module stacking and pressing device according to an embodiment of the present invention. Fig. 6 is a schematic top view of a bottom positioning plate according to an embodiment of the present invention. As shown in fig. 1 to 6, by practice, the applicant provides a cell module stacking and extruding device, which comprises a mounting platform 1, an end face pressing mechanism 2 and a top pressing strip 3.
The mounting platform 1 is provided with a mounting surface 1a, and the mounting surface 1a is provided with a bottom positioning plate 11. The end face pressing mechanism 2 includes a first support 21, a second support 22, an end pressing plate 23, and a drive shaft 24. The first support 21 and the second support 22 are respectively disposed on two sides of the bottom positioning plate 11, the driving shaft 24 is parallel to the mounting surface 1a, and the driving shaft 24 slidably penetrates through the first support 21. The end press plate 23 is connected to one end of the driving shaft 24 between the first support 21 and the second support 22, and the other end of the driving shaft 24 is used for connecting with a driving device. For example, in the embodiment of the present invention, the driving shaft 24 may be controlled by an external driving device, so that the driving shaft 24 may extend and contract in a horizontal direction parallel to the bottom positioning plate 11, thereby driving the end pressing plate 23 to move toward or away from the second support 22.
One end of the top pressing strip 3 is rotatably connected with the first support 21 through a rotating shaft 31, the rotating shaft 31 is parallel to the bottom positioning plate 11 and is perpendicular to the driving shaft 24, and the second support 22 is provided with a locking structure 221 matched with the other end of the top pressing strip 3. Illustratively, in an embodiment of the present invention, in an operating state, the top pressing bar 3 is parallel to the bottom positioning plate, and the other end thereof is engaged with the second support 22 and locked by the locking structure 221; in another working state, by unlocking the locking structure 221, the worker can rotate and lift the top pressing bar 3 around the rotating shaft 31 on the first support 21, so as to leave the space above the first support 21 and the second support 22, and thus the battery cell module 5 is convenient to mount.
In the embodiment of the present invention, when the cell module 5 needs to be pressurized, a worker may unlock the locking structure 221, rotate and lift the top pressing bar 3 around the rotating shaft 31 on the first support 21, and place the pre-assembled cell module 5 on the bottom positioning plate 11 from above. The battery cell module 5 includes two end plates 51 and a plurality of battery cells 52, and the plurality of battery cells 52 are arranged in sequence between the two end plates 51. When placing, the selection is with one side of being provided with utmost point post on a plurality of electric cores 52 towards bottom locating plate 11, makes the utmost point post of a plurality of electric cores 52 and the 11 contacts of bottom locating plate, utilizes the face of bottom locating plate to support a plurality of electric cores 52, guarantees that the utmost point post end of a plurality of electric cores 52 is located the coplanar. And then, the other end of the top pressing strip 3 is rotated to the second support 22 again, so that the top pressing strip 3 compresses the cell module 5, and the top pressing strip 3 is locked by using the locking structure 221. The top layering 3 realizes the spacing fixed of electric core module 5 in the vertical direction with the bottom surface butt of a plurality of electric cores 52 this moment. After that, the driving shaft 24 can be controlled by the driving device to move relatively to the first support 21, the driving end pressing plate 23 moves towards the second support 22 and contacts with the end plate 51 on one side of the cell module 5, and the cell module 5 between the first support 21 and the second support 22 is horizontally pressed, so that the plurality of cells 52 are tightly attached to each other, and a possible assembly gap is eliminated.
By adopting the cell module stacking and extruding device provided by the embodiment of the invention, when the cell module 5 is extruded, the bottom positioning plate 11 is utilized to support one surface of the plurality of cells 52 with the poles in the cell module 5, and the locked top pressing strip 3 is utilized to compress and limit the cell module 5 from the upper part, so that one surface of each single cell 52 with the poles is attached to the bottom positioning plate 11, and the surfaces of the cells 52 with the poles are ensured to be positioned on the same horizontal plane. The realization is carrying out extrusion processing by the horizontal direction to electric core module 5 and eliminating the in-process in clearance utilizing tip clamp plate 23 from this, and the utmost point post of a plurality of electric cores 52 is in same horizontal plane all the time to it leads to utmost point post not on same horizontal plane to appear vertical drunkenness to appear in the extrusion process of electric core module 5 to solve and appear monomer electric core 52, and then causes the problem that follow-up welding precision and product yield are low.
Optionally, a plurality of sets of pole mounting holes 111 are provided on the bottom positioning plate 11, each set of pole mounting holes 111 includes two pole mounting holes 111 for corresponding to the positive pole column and the negative pole column of the battery cell, and the plurality of sets of pole mounting holes 111 are arranged at equal intervals along the axis direction of the driving shaft 24. For example, in another possible implementation manner, when the cell module 5 is placed upside down on the bottom positioning plate 11, by providing multiple sets of terminal mounting holes 111, positive terminals and negative terminals of multiple cells 52 in the cell module 5 can be respectively inserted into the multiple sets of terminal mounting holes 111, and one side of each single cell 52 with a terminal is in direct contact with the surface of the bottom positioning plate 11. The bottom positioning plate 11 in the form supports the battery cell module 5, the direct face contact between the tail end of a pole on the battery cell 52 and the bottom positioning plate 11 is avoided while the same plane positioning effect is ensured, the pressure applied by the top pressing strip 3 and the bearing error of the subsequent extrusion processing are reduced, and the stress applied to the tail end of the battery cell 52 is avoided from being scratched and damaged.
For example, in the embodiment of the present invention, the diameter of the terminal mounting hole 111 is generally set to be larger than the diameter of the cell terminal on the cell 52, so that a clearance becomes smaller after the plurality of cells 52 are pressed, and a margin is provided for positional displacement in the horizontal direction.
Optionally, the first support 21 has a first end-face limiting rod 211, the first end-face limiting rod 211 is parallel to the driving shaft 24, one end of the first end-face limiting rod 211 is connected to the first support 21, the other end of the first end-face limiting rod 211 is located between the first support 21 and the second support 22, and the other end of the first end-face limiting rod 211 is configured to be matched with the positioning hole in the end plate 51 on one side of the cell module 5. For example, in the embodiment of the present invention, after the cell module 5 is placed on the bottom positioning plate 11, the positioning hole on the end plate 51 on one side of the cell module 5 may be matched with the first end surface limiting rod 211, so that the other end of the first end surface limiting rod 211 is inserted into the positioning hole on the end plate 51. Move and carry out extruded in-process with this side end plate 51 contact at tip clamp plate 23, first terminal surface gag lever post 211 can play the preliminary spacing fixed action to electric core module 5 on the horizontal direction, avoids appearing rocking relatively, improves machining stability and accuracy.
Illustratively, in the embodiment of the present invention, the end pressing plate 23 is provided with a through hole matching with the first end surface limiting rod 211, and the first end surface limiting rod 211 passes through the end pressing plate 23 through the through hole, so that the movement of the end pressing plate 23 is not interfered, and the end pressing plate 23 can be limited and guided.
Optionally, the second support 22 has a second end surface limiting rod 222, the second end surface limiting rod 222 is disposed on the second support 22 in a penetrating manner, one end of the second end surface limiting rod 222 is located between the first support 21 and the second support 22, the second end surface limiting rod 222 is arranged coaxially with the first end surface limiting rod 211, and one end of the second end surface limiting rod 222 is used for being matched with the positioning hole on the end plate 51 on the other side of the battery cell module 5. For example, in the embodiment of the present invention, by providing the second end surface limiting rod 222 on the second support 22, which is coaxial with the first end surface limiting rod 211, after the cell module 5 is placed on the bottom positioning plate 11, the positioning hole on the other side end plate 51 of the cell module 5 can be simultaneously matched with the second end surface limiting rod 222, so that the other end of the second end surface limiting rod 222 is inserted into the positioning hole on the other side end plate 51. Thereby realize that both sides on the horizontal direction are fixed to electric core module 5's spacing, further improve follow-up extrusion processing's stability and accuracy.
Optionally, the distance between one end of the second end limiting rod 222 and the other end of the first end limiting rod 211 is adjustable. Exemplarily, in the embodiment of the present invention, the second end-face limiting rod 222 is set to be an axially adjustable structure, and can adaptively extend and retract according to the specification of the cell module 5, so as to adjust the distance between one end of the second end-face limiting rod 222 and the other end of the first end-face limiting rod 211, thereby facilitating the feeding of the cell module 5, and improving the adaptability of the cell module stacking and extruding device.
Optionally, the first support 21 has a plurality of first end surface limiting rods 211, the plurality of first end surface limiting rods 211 are uniformly arranged at intervals along a direction parallel to the bottom positioning plate 11, and the second support 22 has a plurality of second end surface limiting rods 222 corresponding to the plurality of first end surface limiting rods 211 one to one. Exemplarily, in the embodiment of the present invention, a plurality of sets of first end surface limiting rods 211 and second end surface limiting rods 222 that are in one-to-one correspondence are arranged at intervals in the horizontal direction, and the end plates 51 on both sides of the cell module 5 are simultaneously contacted and positionally supported by the plurality of first end surface limiting rods 211 and second end surface limiting rods 222, so that the stress applied to a single first end surface limiting rod 211 and second end surface limiting rod 222 is reduced and more uniform, the stability of supporting in a matching manner is increased, and the overall service life of the cell module stacking and extruding apparatus is prolonged.
Optionally, the cell module stacking and extruding device further includes two side pressing mechanisms 4, each side pressing mechanism 4 includes a side pushing plate 41, a slider 42, and a sliding rail 43, the sliding rail 43 is disposed on the mounting surface 1a and perpendicular to the driving shaft 24, the slider 42 is slidably mounted on the sliding rail 43, the side pushing plate 41 is connected to the slider 42, the side pushing plate 41 is perpendicular to the end pressing plate 23 and the bottom positioning plate 11, and the two side pressing mechanisms 4 are respectively disposed on two sides of the bottom positioning plate 11 and are symmetrically arranged with respect to the first support 21, the bottom positioning plate 11, and the second support 22. Exemplarily, in the embodiment of the present invention, by symmetrically arranging the two lateral pressing mechanisms 4, the end pressing plate 23 is used to complete the pressing of the cell module 5, so as to eliminate the gap between the plurality of cells 52. Can utilize slider 42 to drive side push pedal 41 and carry out the side extrusion to a plurality of electric cores 52 by the both sides of electric core module 5, carry out the extrusion to the horizontal side deviation that single electric core 52 appears among the extrusion process that probably exists and reset and rectify, improve extrusion processing and accomplish back electric core module 5's combination precision, further avoid follow-up busbar and utmost point post welding to have welding precision and quality problems.
Optionally, the cell module stacking and pressing device is characterized by comprising two top pressing strips 3, wherein the two top pressing strips 3 are symmetrically arranged relative to the driving shaft 24. Exemplarily, in the embodiment of the present invention, by providing two rotatable top pressing strips 3, the cell module stacking and extruding device can simultaneously perform pressing, positioning and horizontal extruding on two cell modules 5 arranged in parallel, thereby effectively improving the overall processing efficiency.
Optionally, a gripping handle 32 is provided on the top bead 3. Exemplarily, in the embodiment of the present invention, the holding handle 32 is disposed on the top bead 3, so that the top bead 3 can be conveniently lifted and covered by a worker, and the practicability of the cell module stacking and extruding device is improved.
Fig. 7 is a flowchart of an extrusion processing method according to an embodiment of the present invention. As shown in fig. 7, an embodiment of the present invention further provides an extrusion method for molding and manufacturing the cell module stacking and extruding device shown in fig. 1 to 6, where the extrusion method includes:
s1, unlocking the locking structure 221 and lifting the other end of the top pressing strip 3.
Specifically, when the pressurization processing of the battery cell module 5 needs to be performed, the worker can unlock the latch structure 221, rotate and lift the top pressing bar 3 around the rotating shaft 31 on the first support 21, and leave a placing space for the battery cell module 5.
S2, place electric core module 5 on bottom locating plate 11, make the utmost point post of a plurality of electric cores 52 in the electric core module 5 contact with bottom locating plate 11, make two end plates 51 of electric core module 5 just to between tip clamp plate 23 and the second support 22 respectively.
Specifically, when placing, the selection is with one side of being provided with utmost point post on a plurality of electric cores 52 towards bottom locating plate 11, makes the utmost point post of a plurality of electric cores 52 and the contact of bottom locating plate 11, utilizes the face of bottom locating plate to support a plurality of electric cores 52, guarantees that the utmost point post end of a plurality of electric cores 52 is located the coplanar.
And S3, rotating the other end of the top pressing strip 3 to the second support 22 again to enable the top pressing strip 3 to compress the battery cell module 5, and locking by using the locking structure 221.
Specifically, the other end of the top pressing strip 3 is rotated to the second support 22 again, so that the top pressing strip 3 compresses the cell module 5, and the top pressing strip 3 is locked by the locking structure 221. The top layering 3 realizes the spacing fixed of electric core module 5 in the vertical direction with the bottom surface butt of a plurality of electric cores 52 this moment.
S4, the end pressing plate 23 is driven by the driving shaft 24 to conduct extrusion processing on the battery cell module 5.
Specifically, the driving shaft 24 is controlled by the driving device to move relatively with respect to the first support 21, the driving end pressing plate 23 moves toward the second support 22 and contacts with the end plate 51 on the side of the cell module 5, and the cell module 5 located between the first support 21 and the second support 22 is horizontally pressed, so that the plurality of cells 52 are tightly attached to each other, and a possible assembly gap is eliminated.
The battery cell module stacking and extruding device and the extruding processing method based on the device are adopted. When carrying out the extrusion of electric core module 5 and adding, utilize bottom locating plate 11 to carry out the bearing to the one side that a plurality of electric cores 52 have utmost point post in the electric core module 5, it is spacing to compress tightly electric core module 5 by the top to utilize the top layering 3 of locking simultaneously, makes every monomer electricity core 52 have the one side and the 11 laminatings of bottom locating plate of utmost point post, and then guarantees that the one side that electric core 52 has utmost point post is in on the same horizontal plane. The realization is carrying out extrusion processing by the horizontal direction to electric core module 5 and eliminating the in-process in clearance utilizing tip clamp plate 23 from this, and the utmost point post of a plurality of electric cores 52 is in same horizontal plane all the time to it leads to utmost point post not on same horizontal plane to appear vertical drunkenness to appear in the extrusion process of electric core module 5 to solve and appear monomer electric core 52, and then causes the problem that follow-up welding precision and product yield are low.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the description and in the claims of the present application does not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. The word "comprising" or "comprises", and the like, means that the element or item appearing in front of the word "comprising" or "comprises" includes the element or item listed after the word "comprising" or "comprises" and its equivalents, and does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, which may also change accordingly when the absolute position of the object being described changes.
The invention is not to be considered as limited to the particular embodiments shown and described, but is to be understood that various modifications, equivalents, improvements and the like can be made without departing from the spirit and scope of the invention.
Claims (10)
1. The utility model provides an electricity core module piles up extrusion device which characterized in that includes: a mounting platform (1), an end face pressing mechanism (2) and a top pressing strip (3),
the mounting structure is characterized in that a mounting surface (1 a) is arranged on the mounting platform (1), a bottom positioning plate (11) is arranged on the mounting surface (1 a), the end face pressing mechanism (2) comprises a first support (21), a second support (22), an end pressing plate (23) and a driving shaft (24), the first support (21) and the second support (22) are respectively arranged on two sides of the bottom positioning plate (11), the driving shaft (24) is parallel to the mounting surface (1 a), the driving shaft (24) is slidably arranged on the first support (21) in a penetrating manner, the end pressing plate (23) is connected to one end, located between the first support (21) and the second support (22), of the driving shaft (24), and the other end of the driving shaft (24) is used for being connected with a driving device,
one end of the top pressing strip (3) is rotatably connected with the first support (21) through a rotating shaft (31), the rotating shaft (31) is parallel to the bottom positioning plate (11) and perpendicular to the driving shaft (24), and a locking structure (221) matched with the other end of the top pressing strip (3) is arranged on the second support (22).
2. The cell module stacking and extruding device according to claim 1, wherein the first support (21) has a first end face limiting rod (211), the first end face limiting rod (211) is parallel to the driving shaft (24), one end of the first end face limiting rod (211) is connected to the first support (21), the other end of the first end face limiting rod (211) is located between the first support (21) and the second support (22), and the other end of the first end face limiting rod (211) is used for being matched with a positioning hole in an end plate (51) on one side of the cell module (5).
3. The cell module stacking and extruding device according to claim 2, wherein a second end face limiting rod (222) is provided on the second support (22), the second end face limiting rod (222) penetrates through the second support (22), one end of the second end face limiting rod (222) is located between the first support (21) and the second support (22), the second end face limiting rod (222) and the first end face limiting rod (211) are arranged coaxially, and one end of the second end face limiting rod (222) is used for matching with a positioning hole in an end plate (51) on the other side of the cell module (5).
4. The cell module stacking and extruding device according to claim 3, wherein a distance between one end of the second end limiting rod (222) and the other end of the first end limiting rod (211) is adjustable.
5. The cell module stacking and extruding device according to claim 4, wherein the first support (21) has a plurality of first end surface limiting rods (211), the first end surface limiting rods (211) are uniformly spaced in a direction parallel to the bottom positioning plate (11), and the second support (22) has a plurality of second end surface limiting rods (222) corresponding to the first end surface limiting rods (211) one by one.
6. The cell module stacking and extruding device according to claim 1, further comprising two side pressing mechanisms (4), wherein the side pressing mechanisms (4) comprise side pushing plates (41), sliding blocks (42) and sliding rails (43), the sliding rails (43) are disposed on the mounting surface (1 a) and perpendicular to the driving shaft (24), the sliding blocks (42) are slidably mounted on the sliding rails (43), the side pushing plates (41) are connected to the sliding blocks (42), the side pushing plates (41) are perpendicular to the end pressing plates (23) and the bottom positioning plate (11), and the two side pressing mechanisms (4) are respectively disposed on two sides of the bottom positioning plate (11) and are symmetrically arranged relative to the first support (21), the bottom positioning plate (11) and the second support (22).
7. The cell module stacking and extruding device according to claim 1, wherein a plurality of sets of pole mounting holes (111) are provided on the bottom positioning plate (11), each set of pole mounting holes (111) includes two pole mounting holes (111) corresponding to the positive pole and the negative pole of the cell, and the plurality of sets of pole mounting holes (111) are uniformly spaced along the axial direction of the driving shaft (24).
8. The cell module stacking extrusion device of claim 1, comprising two top compression bars (3), wherein the two top compression bars (3) are symmetrically arranged with respect to the drive shaft (24).
9. The cell module stacking and pressing device according to claim 1, wherein a holding handle (32) is arranged on the top pressing bar (3).
10. An extrusion processing method, which is implemented based on the cell module stacking extrusion device according to any one of claims 1 to 7, wherein the cell module (5) comprises two end plates (51) and a plurality of cells (52), and the plurality of cells (52) are arranged between the two end plates (51), the extrusion processing method comprises:
unlocking the lock catch structure (221) and lifting the other end of the top pressing strip (3);
placing the battery cell module (5) on the bottom positioning plate (11), so that the poles of the plurality of battery cells (52) in the battery cell module (5) are in contact with the bottom positioning plate (11), and the two end plates (51) of the battery cell module (5) are respectively opposite to the space between the end pressing plate (23) and the second support (22);
the other end of the top pressing strip (3) is rotated to the second support (22) again, so that the top pressing strip (3) presses the battery cell module (5) tightly and is locked by the lock catch structure (221);
and driving the end pressing plate (23) to extrude the battery cell module (5) by using the driving shaft (24).
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| CN202211378654.9A CN115566248B (en) | 2022-11-04 | 2022-11-04 | Cell module stacking extrusion device and extrusion processing method |
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| CN115566248B (en) | 2023-06-16 |
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