CN216633218U

CN216633218U - Clamp for welding lithium battery cover plate

Info

Publication number: CN216633218U
Application number: CN202123345061.6U
Authority: CN
Inventors: 张毅君; 王雄兵
Original assignee: Suining Jinruitong New Energy Co ltd
Current assignee: Suining Jinruitong New Energy Co ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-05-31
Anticipated expiration: 2031-12-29

Abstract

A clamp for welding a lithium battery cover plate comprises a height adjusting mechanism, a rotating mechanism and an inner jacking mechanism; the height adjusting mechanism is used for adjusting the height of the rotating mechanism, and the rotating mechanism is arranged on the height adjusting mechanism and is used for driving the lithium battery main body to rotate; and the inner jacking mechanism is arranged on the height adjusting mechanism and is mutually matched with the rotating mechanism to be used for clamping the lithium battery cover plate during welding. Thereby high adjustment mechanism can adjust slewing mechanism and interior top mechanism's height conveniently carries out the centre gripping through slewing mechanism and interior top mechanism to the shell and the apron that are located the below, and slewing mechanism can drive by the shell of centre gripping and apron rotate to accomplish the welding operation of shell and apron, interior top mechanism can act on the apron, thereby makes the apron hug closely on the shell, thereby has ensured the welding effect, has stronger practicality.

Description

Clamp for welding lithium battery cover plate

Technical Field

The utility model relates to the technical field related to lithium battery processing, in particular to a clamp for welding a lithium battery cover plate.

Background

The lithium battery used in the electronic product is usually made up of positive and negative pole material, electrolyte, outer casing and cover plate that are rolled up, while processing, carry on the coiling operation of the positive and negative pole material first, then pack the positive and negative pole material in the outer casing, connect the cover plate to positive and negative pole material through the wire subsequently, then weld the cover plate to the outer casing, pour into the electrolyte into the outer casing subsequently, carry on the final encapsulation of the battery finally, wherein while carrying on the welding of outer casing and cover plate, make the junction of cover plate and outer casing connect and fix steadily and hermetically through the laser welding way, while carrying on the welding now, there is the stability of inconvenient carrying on outer casing to grasp, drive the outer casing to rotate steadily at the same time, thus cause certain influence to the welding effect of outer casing and cover plate.

SUMMERY OF THE UTILITY MODEL

The utility model provides a clamp for welding a lithium battery cover plate, which is used for solving the defects of the prior art, and is convenient for clamping a lithium battery when a lithium battery shell and the cover plate are welded, and can also drive the lithium battery to rotate, so that the welding operation of the lithium battery is convenient, the welding accuracy and the sealing effect of a welding line are ensured, and the clamp has strong practicability.

In order to achieve the purpose of the utility model, the following technology is adopted:

a clamp for welding a lithium battery cover plate comprises a height adjusting mechanism, a rotating mechanism and an inner jacking mechanism;

the height adjusting mechanism is used for adjusting the height of the rotating mechanism and comprises a base, wherein an upper extension plate is arranged on the base in an upward extending mode, an adjusting hole is formed in the upper extension plate, a rotating seat is installed at the upper end of the upper extension plate, an adjusting screw sleeve is arranged in the rotating seat, a motor installation part is installed at the outer side end of the rotating seat, an adjusting motor is installed on the motor installation part, an output shaft of the adjusting motor is connected with a driving wheel, the driving wheel is meshed with a driven wheel, the driven wheel is arranged on the adjusting screw sleeve, an adjusting screw rod is arranged in the adjusting screw sleeve, an adjusting lower plate is arranged at the lower end of the adjusting screw rod, an adjusting outer plate is arranged at the lower end of the adjusting lower plate, outer extension plates are arranged on two sides of the adjusting outer plate respectively, guide pins are installed on the outer extension plates respectively, guide pins are sleeved with guide pieces, and the guide pieces are installed on the upper extension plates respectively;

the rotating mechanism is arranged on the height adjusting mechanism and is used for driving the lithium battery main body to rotate;

and the inner jacking mechanism is arranged on the height adjusting mechanism and is mutually matched with the rotating mechanism to be used for clamping the lithium battery cover plate during welding.

Furthermore, the guide foot is in an isosceles trapezoid structure, an isosceles trapezoid guide groove is formed in the opening of the outer side end of the guide piece, and the guide foot is arranged in the isosceles trapezoid guide groove.

Further, slewing mechanism wears the piece including installing in adjusting the well piece of wearing of planking, and well piece is worn in the regulation hole, and the other end of well piece is equipped with the regulation inner panel, has worn the dwang in well piece, and the outside end of dwang is equipped with driven pulley, and the cover is equipped with the hold-in range on the driven pulley, and the other pot head of hold-in range is equipped with driving pulley, and driving pulley's being connected with rotates the motor, rotates the motor and installs in the planking, and the other end of dwang is equipped with the turning block.

Further, the outer end of the rotating block is openly formed with a key groove.

Further, the inner jacking mechanism comprises an outer convex seat installed on one side of the adjusting inner plate, a pair of front extending arms are installed on the outer convex seat, the other ends of the front extending arms are provided with front end plates, the front end plates are outwards extended to be provided with connecting middle plates, the outer ends of the connecting middle plates are provided with fixed end plates, inner jacking seat blocks are installed on the fixed end plates and the inner side ends of the front end plates, an inner jacking motor is installed on the inner jacking seat block located on the outer side, an output shaft of the inner jacking motor is connected with an inner jacking rod, an inner jacking seat is arranged on the inner jacking rod, four inner jacking rods are inwards arranged on the inner jacking seat, the inner jacking rod penetrates through the inner jacking seat block located on the inner side, a rotating plate is arranged on the inner side end of the inner jacking rod, a round head plate is rotatably arranged on the rotating plate, and the round head plate faces the key groove.

The technical scheme has the advantages that:

according to the utility model, when the lithium battery shell and the cover plate are welded, the clamping of the lithium battery is conveniently carried out, and the lithium battery can be driven to rotate through the height adjusting mechanism, the rotating mechanism and the inner top mechanism, so that the welding operation of the lithium battery is conveniently carried out, the welding accuracy and the sealing effect of a welding seam are ensured, the height of the rotating mechanism and the height of the inner top mechanism can be adjusted through the height adjusting mechanism, so that the shell and the cover plate positioned below are conveniently clamped through the rotating mechanism and the inner top mechanism, the rotating mechanism can drive the clamped shell and the clamped cover plate to rotate, so that the welding operation of the shell and the cover plate is completed, the inner top mechanism can act on the cover plate, so that the cover plate is tightly attached to the shell, the welding effect is ensured, and the welding tool has strong practicability.

Drawings

Fig. 1 shows a perspective view of a first embodiment.

Fig. 2 shows a perspective view of the second embodiment.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the description refers must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

The terms "first," "second," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

The terms "parallel", "perpendicular", etc. do not require that the components be absolutely parallel or perpendicular, but may be slightly inclined. For example, "parallel" merely means that the directions are more parallel relative to "perpendicular," and does not mean that the structures are necessarily perfectly parallel, but may be slightly tilted.

Furthermore, the terms "substantially", and the like are intended to indicate that the relative terms are not necessarily strictly required, but may have some deviation. For example: "substantially equal" does not mean absolute equality, but because absolute equality is difficult to achieve in actual production and operation, certain deviations generally exist. Thus, in addition to absolute equality, "substantially equal" also includes the above-described case where there is some deviation. In this case, unless otherwise specified, terms such as "substantially", and the like are used in a similar manner to those described above.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-2, a fixture for welding a lithium battery cover plate comprises a height adjusting mechanism 1, a rotating mechanism 2 and an inner jacking mechanism 3, wherein the height adjusting mechanism 1 is used for adjusting the height of the rotating mechanism 2, and the rotating mechanism 2 is arranged on the height adjusting mechanism 1 and is used for driving a lithium battery main body to rotate; and the inner jacking mechanism 3 is arranged on the height adjusting mechanism 1 and is mutually matched with the rotating mechanism 2 to be used for clamping the lithium battery cover plate during welding. Height adjusting mechanism 1 in this embodiment can carry out the centre gripping to slewing mechanism 2 and interior top mechanism 3 automatically, thereby realized the degree of automation before the centre gripping operation, and still conveniently carry out the rotation of shell and apron when the welding, and then conveniently carry out the welding operation of shell and apron, slewing mechanism 2 and interior top mechanism 3 can carry out the centre gripping to shell and apron, and can also drive shell and apron and rotate under the condition of centre gripping, thereby conveniently weld shell and apron junction ground in whole circle, and ensured the welded quality through this kind of mode. In operation, the embodiment is that height adjusting mechanism 1 adjusts slewing mechanism 2 and interior top mechanism 3 to the shell both ends of carrying here, and then interior top mechanism 3 acts on shell and apron to realized the centre gripping to shell and apron, then height adjusting mechanism 1 removes to take the altitude department, and carries out the rotation of shell and apron under slewing mechanism 2's drive, and carries out the welding operation of apron and shell when rotating.

The height adjusting mechanism 1 comprises a base 10, wherein the base 10 is provided with an upper extension plate 11 in an upward extending manner, the upper extension plate 11 is provided with an adjusting hole 110, the upper end of the upper extension plate 11 is provided with a rotating seat 12, an adjusting screw sleeve 13 is arranged in the rotating seat 12, the outer side end of the rotating seat 12 is provided with a motor mounting piece 14, the motor mounting piece 14 is provided with an adjusting motor 15, an output shaft of the adjusting motor 15 is connected with a driving wheel 16, the driving wheel 16 is meshed with a driven wheel 17, the driven wheel 17 is arranged on the adjusting screw sleeve 13, an adjusting screw rod 18 is arranged in the adjusting screw sleeve 13, the lower end of the adjusting screw rod 18 is provided with an adjusting lower plate 19, the lower end of the adjusting lower plate 19 is provided with an adjusting outer plate 190, two sides of the adjusting outer plate 190 are provided with outer expanding plates 191, guide feet 192 are respectively arranged on the outer expanding plates 191, the guide feet 192 are respectively sleeved with a guide piece 193, the guide pieces 193 are respectively arranged on the upper extension plate 11, the guide feet 192 are in an isosceles trapezoid structure, the shape with openings at the outer side ends of the guide pieces, the guide legs 192 are disposed in the isosceles trapezoid guide slots. In this embodiment, the driving manner of the adjusting screw 18 is adopted, so that the stability of the lifting adjustment and the precision of the lifting adjustment are ensured, and the control is convenient, and the isosceles trapezoid guide foot 192 and the isosceles trapezoid guide groove formed on the guide member 193 are arranged to improve the stability of the guiding. The principle of the lifting movement is that the limited lifting screw rod 18 is driven by the rotating adjusting screw sleeve 13 to move along the axial direction.

The rotating mechanism 2 comprises a middle penetrating block 20 installed on an adjusting outer plate 190, the middle penetrating block 20 penetrates through an adjusting hole 110, the other end of the middle penetrating block 20 is provided with an adjusting inner plate 21, a rotating rod 22 penetrates through the middle penetrating block 20, a driven pulley 23 is arranged at the outer side end of the rotating rod 22, a synchronous belt 24 is sleeved on the driven pulley 23, a driving pulley 25 is sleeved at the other end of the synchronous belt 24, the driving pulley 25 is connected with a rotating motor 26, the rotating motor 26 is installed on an extending plate 191, a rotating block 27 is arranged at the other end of the rotating rod 22, and a key-shaped groove 28 is formed in the opening of the outer side end of the rotating block 27. In this embodiment, for the convenience of the control of the rotation rate, the synchronous belt 24 is selected as the intermediate transmission component, and the key-shaped groove 28 arranged on the rotating block 27 plays a limiting role when being connected, so that the stability of the rotation of the housing can be ensured, wherein the housing can be taken out after being welded, a plurality of balls can be embedded in the inner wall of the key-shaped groove 28, and the subsequent device can be taken out from the key-shaped groove 28 after the welding is completed.

The inner jacking mechanism 3 comprises an outer convex seat 30 arranged on one side of the inner adjusting plate 21, a pair of front extending arms 31 are arranged on the outer convex seat 30, front end plates 32 are arranged at the other ends of the front extending arms 31, a connecting middle plate 33 is arranged on the front end plates 32 in an outward extending mode, a fixed end plate 34 is arranged at the outer side end of the connecting middle plate 33, inner jacking seat blocks 35 are arranged at the inner side ends of the fixed end plates 34 and the front end plates 32, an inner jacking motor 36 is arranged on the inner jacking seat block 35 located on the outer side, an output shaft of the inner jacking motor 36 is connected with an inner jacking rod 37, an inner jacking seat 38 is arranged on the inner jacking rod 37, four inner jacking rods 39 are arranged on the inner jacking seat 38 in an inward extending mode, the inner jacking rods 39 penetrate through the inner jacking seat block 35 located on the inner side, a rotating plate 390 is arranged at the inner side end of the inner jacking rod 39, a round head plate 391 is arranged on the rotating plate 390, and the round head plate 391 is opposite to the key-shaped groove 28. This embodiment is when carrying out the interior top centre gripping of shell and apron, top lead screw 37 rotates in driving through interior top motor 36, and make interior footstock 38 move along the circumference of interior ejector pin 39 under the rotation of interior top lead screw 37, and finally act on the outer wall of apron through head board 391, and accomplished the centre gripping to apron and shell, wherein for carrying out the rotation of shell and apron when the welding, consequently set up head board 391 as rotatable mode, and be the horizontality for head board 391, its both ends dorsal part all is provided with the lead that a quality equals, simultaneously in order to carry out the location of apron, can set up shallower groove on the inner wall on head board 391, thereby conveniently fix a position the apron.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and it is apparent that those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. A clamp for welding a lithium battery cover plate is characterized by comprising a height adjusting mechanism (1), a rotating mechanism (2) and an inner jacking mechanism (3);

the height adjusting mechanism (1) is used for adjusting the height of the rotating mechanism (2) and comprises a base (10), an upper extension plate (11) is arranged on the base (10) in an upward extending mode, an adjusting hole (110) is formed in the upper extension plate (11), a rotating seat (12) is installed at the upper end of the upper extension plate (11), an adjusting screw sleeve (13) is arranged in the rotating seat (12), a motor installation part (14) is installed at the outer side end of the rotating seat (12), an adjusting motor (15) is installed on the motor installation part (14), an output shaft of the adjusting motor (15) is connected with a driving wheel (16), the driving wheel (16) is meshed with a driven wheel (17), the driven wheel (17) is arranged on the adjusting screw sleeve (13), an adjusting screw rod (18) is arranged in the adjusting screw sleeve (13), an adjusting lower plate (19) is arranged at the lower end of the adjusting screw rod (18), an adjusting outer plate (190) is arranged at the lower end of the adjusting plate (19), the two sides of the adjusting outer plate (190) are respectively provided with an extending plate (191), the extending plates (191) are respectively provided with a guide foot (192), the guide feet (192) are respectively sleeved with a guide piece (193), and the guide pieces (193) are respectively arranged on the upper extending plate (11);

the rotating mechanism (2) is arranged on the height adjusting mechanism (1) and is used for driving the lithium battery main body to rotate;

and the inner jacking mechanism (3) is arranged on the height adjusting mechanism (1) and is mutually matched with the rotating mechanism (2) for clamping the lithium battery cover plate during welding.

2. The jig for welding a lithium battery cover plate according to claim 1, wherein the guide leg (192) has an isosceles trapezoid shape, an isosceles trapezoid guide groove is formed in the guide member (193) so as to open at the outer end thereof, and the guide leg (192) is disposed in the isosceles trapezoid guide groove.

3. The clamp for welding the lithium battery cover plate according to claim 1, wherein the rotating mechanism (2) comprises a middle through block (20) installed on the adjusting outer plate (190), the middle through block (20) penetrates through the adjusting hole (110), the other end of the middle through block (20) is provided with an adjusting inner plate (21), a rotating rod (22) penetrates through the middle through block (20), the outer side end of the rotating rod (22) is provided with a driven pulley (23), a synchronous belt (24) is sleeved on the driven pulley (23), the other end of the synchronous belt (24) is sleeved with a driving pulley (25), the driving pulley (25) is connected with a rotating motor (26), the rotating motor (26) is installed on the outer expanding plate (191), and the other end of the rotating rod (22) is provided with a rotating block (27).

4. The jig for welding a lithium battery cover plate according to claim 3, wherein a key groove (28) is formed to open an outer end of the rotating block (27).

5. The clamp for welding the lithium battery cover plate according to claim 4, wherein the inner jacking mechanism (3) comprises an outer convex seat (30) arranged on one side of the adjusting inner plate (21), a pair of front extending arms (31) are arranged on the outer convex seat (30), a front end plate (32) is arranged at the other end of each front extending arm (31), a connecting middle plate (33) is arranged on each front end plate (32) in an outward extending manner, a fixed end plate (34) is arranged at the outer end of each connecting middle plate (33), inner jacking bearing seats (35) are respectively arranged at the inner side ends of the fixed end plates (34) and the front end plates (32), an inner jacking motor (36) is arranged on each inner jacking bearing seat (35) positioned on the outer side, an inner jacking rod (37) is connected to an output shaft of each inner jacking motor (36), each inner jacking rod (38) is provided with an inner jacking seat (38), four inner jacking rods (39) are arranged on each inner jacking seat (35) in an inward extending manner, each inner jacking rod (39) penetrates through each inner jacking bearing seat (35) positioned on the inner side, the inner side end of the inner mandril (39) is provided with a rotating plate (390), the rotating plate (390) is rotatably provided with a circular head plate (391), and the circular head plate (391) is right opposite to the key-shaped groove (28).