CN218462217U

CN218462217U - Battery cell clamping mechanism and battery cell stacking device

Info

Publication number: CN218462217U
Application number: CN202222266570.8U
Authority: CN
Inventors: 许朝荣; 饶焰; 张耀伦; 姚航; 智书平; 刘士玉
Original assignee: Hubei Eve Power Co Ltd
Current assignee: Hubei Eve Power Co Ltd
Priority date: 2022-08-24
Filing date: 2022-08-24
Publication date: 2023-02-10
Anticipated expiration: 2032-08-24

Abstract

The utility model relates to a device is piled up to electric core clamping mechanism and electric core, wherein electric core clamping mechanism includes the base, two clamping pieces and drive assembly, two clamping piece intervals set up on the base, two clamping pieces of drive assembly drive are close to or keep away from, be provided with the direction subassembly on the base, it includes guide rail and slide, the guide rail is installed on the base, the clamping piece passes through slide and guide rail sliding connection, a side of guide rail is equipped with two at least locating pins, wherein the tip that is adjacent to the guide rail at least is equipped with a locating pin, the distance that the locating pin protrudes the base is H1, the distance of slide bottom surface apart from the base is H2, H1> H2. The utility model discloses electricity core clamping mechanism simple structure can realize pressing from both sides the automation of electric core and get, avoids the manual work to hold between the fingers the improper damage that causes electric core, and production efficiency is high.

Description

Battery cell clamping mechanism and battery cell stacking device

Technical Field

The utility model relates to a battery production facility technical field especially relates to an electric core clamping mechanism and electric core pile up device.

Background

The battery module is formed by stacking and assembling battery cores according to a certain sequence. At present, in the production process of battery module, adopt artifical manual to snatch, remove and pile up electric core usually, take and hold between the fingers improper easily to electric core cause the damage, waste time and energy, inefficiency, the long-time easy to operate of workman is tired simultaneously, still can cause the unmatched condition of electric core positional information, the precision is low.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides an aim at: the utility model provides an electricity core clamping mechanism, its simple structure can realize that it is automatic to press from both sides and get production efficiency height to electric core.

The embodiment of the utility model provides a another aim at: the utility model provides a device is piled up to electric core, its positioning accuracy is high, piles up effectually.

To achieve the purpose, the embodiment of the present invention adopts the following technical solutions:

the first aspect provides a battery cell clamping mechanism, including base, two clamping pieces and drive assembly, two the clamping piece interval sets up on the base, drive assembly and two the clamping piece transmission is connected in order to drive two the clamping piece is close to or keeps away from, be provided with the direction subassembly on the base, the direction subassembly includes guide rail and slide, the guide rail is installed on the base, the clamping piece passes through the slide with guide rail sliding connection, a side of guide rail is equipped with two at least locating pins, wherein is adjacent to at least the tip of guide rail is equipped with one the locating pin, the locating pin protrusion the distance of base is H1, slide bottom surface distance the distance of base is H2, H1> H2.

As a preferred scheme of the cell clamping mechanism, the driving assembly comprises a motor, a lead screw and a lead screw nut, two mounting frames are arranged on the base at intervals, each mounting frame is rotatably connected with one lead screw and two lead screws in opposite rotating directions, the motor is connected with the lead screw in a transmission manner, the lead screw nut is connected with the lead screw in a sliding manner, and the clamping pieces are respectively arranged on the two lead screw nuts.

As a preferable scheme of the cell clamping mechanism, the two lead screws are connected through a coupler, and one of the lead screws is connected with the motor.

As an optimal scheme of electric core clamping mechanism, drive assembly includes motor, lead screw and screw-nut, be provided with the mounting bracket on the base, it is connected with to rotate on the mounting bracket the lead screw, the motor with screw-drive connects, screw-nut is provided with two, it all has one to be provided with on two sections opposite screw threads of turning round and every section screw thread screw-nut, two the clamping piece sets up respectively two on the screw-nut.

As a preferred scheme of the cell clamping mechanism, the base is provided with one guide rail, and the two sliding seats are both mounted on the same guide rail; or, set up two on the base the guide rail, two the guide rail is located same straight line, every install one on the guide rail the slide.

As a preferred embodiment of the cell clamping mechanism, each clamping member is connected to the driving assembly and the slide carriage through a connecting block, and a buffer assembly is disposed between one of the clamping members and the connecting block.

As a preferred scheme of the cell clamping mechanism, the buffer assembly comprises a guide sleeve, a guide rod and a buffer spring, the guide sleeve is connected with the connecting block, one end of the guide rod is slidably connected with the guide sleeve, the other end of the guide rod is connected with the clamping piece, and the guide sleeve is connected with the clamping piece through the buffer spring.

As a preferred scheme of the electric core clamping mechanism, one of the outer side wall of the guide rod and the inner side wall of the guide sleeve is convexly provided with a guide rib, the other of the outer side wall of the guide rod and the inner side wall of the guide sleeve is concavely provided with a guide groove, the guide rib is spliced with the guide groove, and the length of the guide groove is extended along the moving direction of the guide rod.

As a preferred scheme of the battery cell clamping mechanism, one side of the clamping piece, which is close to the battery cell, is connected with an anti-slip block.

In a second aspect, a battery cell stacking apparatus is provided, which includes a manipulator and the battery cell clamping mechanism.

The embodiment of the utility model provides a beneficial effect does: two clamping pieces which can be driven by a driving assembly to approach or depart from each other are arranged on the base, so that the electric core can be automatically clamped; the clamping piece is matched with the guide rail through the sliding seat, so that the guiding and the stability of the driving assembly when driving the clamping piece to move are enhanced; the two ends of one side face of the guide rail are provided with the positioning pins, so that the straightness of guide rail installation is convenient to guarantee, the slide seat can be prevented from being separated from the guide rail, the practicability of the stop piece is reduced, the electric core clamping mechanism is simple in structure, automatic clamping of the electric core can be realized, damage to the electric core caused by manual holding and pinching is avoided, and the production efficiency is high.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Fig. 1 is a schematic structural view of a cell clamping mechanism according to an embodiment of the present invention;

FIG. 2 is an enlarged schematic view of FIG. 1 at A;

fig. 3 is a schematic structural view of a cell clamping mechanism according to another embodiment of the present invention;

fig. 4 is an exploded view of the guide assembly of the present invention;

fig. 5 is a sectional view of a guide sleeve according to an embodiment of the present invention.

In the figure:

1. a base; 2. a drive assembly; 21. a motor; 22. a screw rod; 23. a feed screw nut; 3. a buffer assembly; 31. a guide sleeve; 311. a sleeve member; 3111. a first through hole; 3112. a guide groove; 312. a stopper; 3121. a second through hole; 313. a locking member; 3131. a countersunk hole; 32. a guide bar; 321. a guide member; 322. a connecting member; 323. a guide rib; 33. a buffer spring; 4. a clamping member; 5. positioning pins; 6. a coupling; 7. a guide assembly; 71. a guide rail; 72. a slide base; 8. a mounting frame; 9. connecting blocks; 10. anti-skid blocks; 101. and (4) an anti-slip groove.

Detailed Description

In order to make the technical problems, the adopted technical solutions and the achieved technical effects of the present invention clearer, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected", "connected" and "fixed" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

As shown in fig. 1, the utility model provides an electric core clamping mechanism includes base 1, two clamping pieces 4 and drive assembly 2, two clamping pieces 4 interval sets up on base 1, drive assembly 2 is connected with two clamping piece 4 transmissions in order to drive two clamping pieces 4 and be close to or keep away from, be provided with direction subassembly 7 on the base 1, direction subassembly 7 includes guide rail 71 and slide 72, guide rail 71 installs on base 1, clamping piece 4 passes through slide 72 and guide rail 71 sliding connection, a side of guide rail 71 is equipped with two at least locating pins 5, wherein the tip that is close to at least near guide rail 71 is equipped with a locating pin 5, the distance that locating pin 5 protrudes base 1 is H1, the distance that slide 72 bottom surface is apart from base 1 is H2, H1> H2, base 1 sets up the locating hole that supplies locating pin 5 to peg graft, clamping piece 4 that can be close to or keep away from by drive assembly 2 drive is in order to press from both sides tightly or release electric core, can also press from both sides the improper interval of getting adjustment according to the model clamp between two clamping pieces 4 of different electric cores, realize putting into automatically electric core of different sizes, cause the hand-operated electric core to exempt from the damage, reduce the labour's production efficiency of pressing from the clamp.

It can be understood that unstable phenomena such as shaking and rotation can occur at the driving end in the driving process of the driving assembly 2, in order to ensure that the driving assembly 2 operates stably when driving the clamping member 4 to move, the base 1 is provided with the guide assembly 7 convenient for the clamping member 4 to guide, the sliding seat 72 of the guide assembly 7 is connected with the clamping member 4, the guide rail 71 is installed on the base 1, and the sliding seat 72 is in sliding fit with the guide rail 71 to enable the clamping member 4 to move more stably.

When an operator assembles the guide rail 71 and matches with the base 1, the straightness of the guide rail 71 needs to be corrected, in the embodiment, two positioning holes are arranged in the base 1 along the moving direction of the driving end of the driving component 2, two positioning pins 5 are respectively inserted into the two positioning holes, the operator tightly supports one side surface of the guide rail 71 against the two positioning pins 5, and then the guide rail 71 is installed on the base 1 through bolts, and the straightness debugging of the guide rail 71 can be easily realized by utilizing the principle that two points determine a straight line, so that the operation is convenient and fast, and the time for correcting the straightness of the guide rail 71 when the guide rail 71 is installed is greatly shortened; further, as shown in fig. 2, the positioning pin 5 is disposed on one side of the guide rail 71 and adjacent to the end of the guide rail 71, the distance from the positioning pin 5 to the base 1 is H1, and the distance from the bottom surface of the sliding seat 72 to the base 1 is H2, H1> H2, that is, when the driving assembly 2 drives the clamping member 4 to move toward the end of the guide rail 71, the sliding seat 72 connected to the clamping member 4 can be stopped by the positioning pin 5, so as to prevent the sliding seat 72 from separating from the guide rail 71, and reduce the use of additional stopping members, thereby saving cost.

In an embodiment, the driving assembly 2 includes a motor 21, a screw 22 and a screw nut 23, two mounting brackets 8 are arranged on the base 1 at intervals, each mounting bracket 8 is connected with a screw 22 in a rotating manner, the rotating directions of the two screws 22 are opposite, the motor 21 is connected with the screw 22 in a transmission manner, the screw nut 23 is connected with the screw 22 in a sliding manner, two clamping members 4 are respectively arranged on the two screw nuts 23, the motor 21 transmits driving force to the screw 22 through the transmission assembly, the screw 22 rotates, the clamping members 4 connected onto the screw 22 in a sliding manner through the screw nut 23 are driven to move, two sets of driving assemblies 2 synchronously run, namely, the screw nut 23 is located at the same position relative to the screw 22, the motor 21 is synchronously driven, and the clamping members 4 sliding on the two sides of the screw nut 22 through the screw nut 23 are driven to be close to or far away from each other. Preferably, two screw rods 22 are connected through the coupling 6, and one of the screw rods 22 is connected with the motor 21, so as to reduce the use of one motor 21, save cost, and improve the transmission synchronism of the two screw rods 22.

In another embodiment, as shown in fig. 3, the driving assembly 2 includes a motor 21, a lead screw 22 and two lead screw nuts 23, the base 1 is provided with a mounting bracket 8, the lead screw 22 is rotatably connected to the mounting bracket 8, the motor 21 is in transmission connection with the lead screw 22, the number of the lead screw nuts 23 is two, two sections of threads with opposite rotation directions are provided on the lead screw 22, each section of threads is slidably connected with one lead screw nut 23, and the two clamping members 4 are respectively provided on the two lead screw nuts 23. Two lead screw 22 complex modes, need guarantee that two lead screws 22 are located same level, the installation and debugging is difficult, still need extra shaft coupling 6 to connect, there is the pine after long-term production to take off the scheduling problem, be equipped with two sections external screw threads opposite soon through a lead screw 22, thereby effectively guarantee that two clamping pieces 4 are located same horizontal drive, thereby pass through motor 21 and drive two screw-nut 23 on the same lead screw 22 through a lead screw 22 of transmission assembly direct drive, effectively guarantee two clamping piece 4's transmission uniformity, two clamping pieces 4 are located same horizontal direction and remove. In this embodiment, only one guide rail 71 is arranged on the base 1, two sliding seats 72 are slidably connected to the guide rail 71, and the two sliding seats 72 are respectively connected to the two clamping blocks 4, so that the installation and debugging of the guide rail 71 are reduced, the labor is saved, and the two clamping pieces 4 are effectively ensured to be located at the same level.

Further, the transmission of the transmission assembly can adopt belt transmission, chain transmission, a coupler 6 and the like, in the embodiment, the motor 21 adopts the servo motor 21, the servo motor 21 is directly connected with the screw rod 22 through the coupler 6, the installation space of the device is reduced, the loss in the transmission process is reduced, and the transmission efficiency between the motor 21 and the screw rod 22 is effectively ensured.

Preferably, as shown in fig. 1, 4 and 5, each clamping member 4 is connected to the driving unit 2 and the slide carriage 72 through a connecting block 9, and the damping unit 3 is disposed between one clamping member 4 and the connecting block 9. The buffer assembly 3 comprises a guide sleeve 31, a guide rod 32 and a buffer spring 33, the guide sleeve 31 is connected with the connecting block 9, one end of the guide rod 32 is connected with the guide sleeve 31 in a sliding mode, the other end of the guide rod 32 is connected with the clamping piece 4, and the guide sleeve 31 is connected with the clamping piece 4 through the buffer spring 33. For avoiding clamping piece 4 direct clamp to get electric core and cause the damage, the clamping piece 4 and the connecting piece 322 lug connection of one side provide holding power for electric core when getting, and the clamping piece 4 of opposite side reduces the impact force that receives when clamping piece 4 presss from both sides and gets electric core through buffering subassembly 3, provides the buffering and makes electric core press from both sides and get more steadily, and is not fragile.

Further, a guide rib 323 is convexly arranged on one of the outer side wall of the guide rod 32 and the inner side wall of the guide sleeve 31, a guide groove 3112 is concavely arranged on the other one of the outer side wall of the guide rod 32 and the inner side wall of the guide sleeve 31, the guide rib 323 is inserted into the guide groove 3112, and the length of the guide groove 313 extends along the moving direction of the guide rod 32. The cross-sectional shape of direction muscle 323, guide way 3112 does not do the restriction, can choose for use semi-circular in this embodiment, and the manufacturing of being convenient for, simple to operate utilizes direction muscle 323 and the cooperation of guide way 3112, can effectively avoid the rotation of guide bar 32 to avoid the rotation of clamping piece 4, prevent that clamping piece 4 from rotating and causing the damage to electric core.

Specifically, the guide sleeve 31 is composed of a sleeve part 311 and a stop part 312, the sleeve part 311 is provided with a first through hole 3111 in a penetrating manner along the length direction thereof, one end of the sleeve part 311 is provided with the stop part 312, the stop part 312 is provided with a second through hole 3121 communicated with the first through hole 3111 and concentrically arranged, wherein the diameter of the first through hole 3111 is greater than that of the second through hole 3121; the guide bar 32 includes a guide member 321 and a connection member 322, the guide member 321 is inserted into the first through hole 3111, the connection member 322 is movably inserted into the second through hole 3121, the connection member 322 is connected to the clamping member 4, and the stop member 312 is connected to the clamping member 4 through the buffer spring 33 to provide a supporting force, at this time, since the outer circumferential diameter of the guide member 321 is greater than the diameter of the second through hole 3121, the guide member 321 is restricted from being separated from the first through hole 3111. In this embodiment, one end of the sleeve member 311, which is far away from the clamping member, is connected with a locking member 313, a countersunk hole 3131 is formed in the locking member 313, a through hole which is convenient for the sleeve member 311 to be inserted into is formed in the connecting block 9, the operator passes the sleeve member 311 through the through hole to be inserted into the connecting block 9, the locking member 313 abuts against one side of the connecting block 9, and the bolt passes through the countersunk hole 3131 to be matched with a threaded hole in the connecting block 9 to connect the guide sleeve 31 with the connecting block 9.

In addition, another scheme of the buffer assembly 3 is provided, the guide sleeve 31 is provided with a first through hole 3111 penetrating through the guide sleeve along the length direction of the guide sleeve, the guide rod 32 is composed of a guide piece 321 and a stop piece 312, one end of the guide rod 32 is connected with the clamping piece 4, the other end of the guide rod 32 is provided with the stop piece 312, the outer diameter of the stop piece 312 is larger than the diameter of the first through hole 3111, one end of the guide sleeve 31 is connected with the clamping piece 4 through the buffer spring 33, and the stop piece 312 is clamped at one end of the guide sleeve 31 far away from the clamping piece 4 to prevent the guide piece 321 from being separated from the first through hole 311. Preferably, the guide sleeve 31 and the guide rod 32 are integrally formed, so as to enhance the connection strength between the sleeve member 311 and the stop member 312, and between the guide member 321 and the connecting member 322.

Further, the one end that clamping piece 4 is close to electric core is convex, V-arrangement or L shape structure to the electric core of different appearance structures is got to the adaptation clamp, and more preferably, a side that clamping piece 4 is close to electric core is connected with non slipping spur 10, and non slipping spur 10 adopts insulating rubber class material, strengthens the frictional force of clamping piece 4 and electric core, avoids electric core and conductor contact to take place to leak simultaneously, and further more, non slipping spur 10 has been offered antiskid ribbed tile 101 near the terminal surface of electric core to reinforcing non slipping spur 10's anti-skidding effect.

The utility model also provides an electricity core piles up device, including the electric core clamping mechanism of manipulator and the arbitrary embodiment of the aforesaid, in this embodiment, the manipulator adopts six robots, and electric core clamping mechanism connects in six robot drive ends, presss from both sides through electric core clamping mechanism on the production line and gets electric core, and six robots rotate electric core to the assigned position according to setting for the procedure circuit, and electric core clamping mechanism releases electric core to this reciprocal electric core is piled up into the battery module according to the order, and electric core piles up positioning accuracy height, and the production quality can be guaranteed, and production efficiency is high.

In the description herein, it is to be understood that the terms "upper" and "lower" are used in a descriptive sense only and not for purposes of limitation, and are not to be construed as indicating or implying that a particular device or element must have a particular orientation, be constructed and operated in a particular manner, based on the orientation or positional relationship shown in the figures.

In the description herein, references to the description of "an embodiment" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment.

Furthermore, it should be understood that although the specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it will be understood by those skilled in the art that the specification as a whole and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.

Claims

1. The cell clamping mechanism is characterized by comprising a base, two clamping pieces and a driving assembly, wherein the two clamping pieces are arranged on the base at intervals, and the driving assembly is in transmission connection with the two clamping pieces so as to drive the two clamping pieces to approach or depart from each other;

be provided with the direction subassembly on the base, the direction subassembly includes guide rail and slide, the guide rail is installed on the base, the clamping piece passes through the slide with guide rail sliding connection, a side of guide rail is equipped with two at least locating pins, wherein is adjacent to at least the tip of guide rail is equipped with one the locating pin, the locating pin protrusion the distance of base is H1, slide bottom surface distance the distance of base is H2, H1> H2.

2. The cell clamping mechanism according to claim 1, wherein the driving assembly includes a motor, a lead screw and a lead screw nut, two mounting brackets are disposed on the base at intervals, one lead screw is rotatably connected to each mounting bracket, the two lead screws rotate in opposite directions, the motor is in transmission connection with the lead screw, the lead screw nut is in sliding connection with the lead screw, and the two clamping members are disposed on the two lead screw nuts respectively.

3. The cell clamping mechanism of claim 2, wherein two of the lead screws are connected by a coupling, and wherein one of the lead screws is connected to the motor.

4. The cell clamping mechanism according to claim 1, wherein the driving assembly comprises a motor, a lead screw and two lead screw nuts, a mounting frame is arranged on the base, the lead screw is connected to the mounting frame in a rotating manner, the motor is in transmission connection with the lead screw, the number of the lead screw nuts is two, two threads with opposite rotation directions are arranged on the lead screw, one lead screw nut is connected to each thread in a sliding manner, and the two clamping members are respectively arranged on the two lead screw nuts.

5. The cell clamping mechanism according to any one of claims 1 to 4, wherein the base is provided with one of the guide rails, and both of the slide carriages are mounted on the same guide rail; or the like, or, alternatively,

the base is provided with two guide rails, the two guide rails are positioned on the same straight line, and each guide rail is provided with one sliding seat.

6. The cell clamping mechanism according to any one of claims 1 to 4, wherein each clamping member is connected to the driving assembly and the slide via a connection block, and a buffer assembly is disposed between one of the clamping members and the connection block.

7. The cell clamping mechanism according to claim 6, wherein the buffer assembly comprises a guide sleeve, a guide rod and a buffer spring, the guide sleeve is connected to the connecting block, one end of the guide rod is slidably connected to the guide sleeve, the other end of the guide rod is connected to the clamping member, and the guide sleeve is connected to the clamping member through the buffer spring.

8. The cell clamping mechanism according to claim 7, wherein a guide rib is convexly provided on one of the outer side wall of the guide rod and the inner side wall of the guide sleeve, a guide groove is concavely provided on the other one of the outer side wall of the guide rod and the inner side wall of the guide sleeve, the guide rib is inserted into the guide groove, and the length of the guide groove extends along the moving direction of the guide rod.

9. The cell clamping mechanism according to any of claims 1 to 4, wherein a non-slip block is attached to a side of the clamping member adjacent to the cell.

10. A cell stacking apparatus comprising a robot, characterized by further comprising the cell clamping mechanism of any of claims 1 to 9.