CN218874247U - Battery handstand clamping fixture - Google Patents

Abstract

The utility model discloses a battery handstand clamping fixture, which comprises a base, a positioning seat and a pressure maintaining mechanism, wherein the positioning seat is arranged on the base, the positioning seat is provided with a clamping space for clamping a battery, the positioning seat is also provided with a positioning part and two supporting parts, the positioning part is arranged on the bottom wall of the clamping space and is used for positioning a top cover, the two supporting parts are arranged on two side walls opposite to the clamping space, and the supporting parts are used for clamping a shell; the pressure maintaining mechanism is arranged on the positioning seat and positioned at the top of the clamping space, and the pressure maintaining mechanism is used for abutting against the shell positioned above the top cover. The utility model discloses a battery handstand clamping anchor clamps can pinpoint the top cap to can support and press the casing that is located the top cap top, make the casing remain stable, avoid the casing to take place to rock or casing and top cap take place relative displacement in pay-off or welding process, reduce the risk of the insulating film of casing scratch electricity core, effectively protect the battery, and be favorable to improving the welding quality of casing and top cap.

Description

Battery handstand clamping fixture

Technical Field

The utility model belongs to the technical field of battery production facility technique and specifically relates to a battery handstand clamping anchor clamps are related to.

Background

The lithium battery is widely applied to the electric automobile with the advantages of high energy density, long service life, good safety performance, less pollution and the like, and comprises a press fitting process of a shell and a top cover in a battery assembling process. In the related technology, a casing and a top cover of the battery adopt a horizontal press-fitting mode, namely, the press-fitting direction of the casing and the top cover is a horizontal direction, the gravity center direction of the battery is vertical downward, and a cell in the casing has a risk of downward deviation; therefore, a vertical press-fitting mode is adopted, however, when the vertical press-fitting mode is adopted, the shell is easy to shake in feeding and subsequent welding processes, the stability is poor, on one hand, contact friction is easy to occur between the shell and the battery cell, so that the battery cell is damaged, and on the other hand, the welding quality of the subsequent shell and the top cover is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a battery handstand clamping anchor clamps can pinpoint the top cap to can support and press the casing that is located the top cap top, make casing remain stable, avoid the casing to take place to rock or casing and top cap take place relative displacement in pay-off or welding process, reduce the risk of the insulating film of casing scratch electricity core, effectively protect the battery, and be favorable to improving the welding quality of casing and top cap.

According to the utility model discloses battery handstand clamping anchor clamps of embodiment, include: a base; the positioning seat is arranged on the base and provided with a clamping space for clamping a battery, and the positioning seat is also provided with a positioning part which is arranged on the bottom wall of the clamping space and used for positioning the top cover; and the pressure maintaining mechanism is arranged on the positioning seat and positioned at the top of the clamping space, and is used for abutting against the shell positioned above the top cover.

The technical scheme at least has the following beneficial effects: when the positioning seat is used for clamping the battery, the positioning part can accurately position the top cover on the bottom wall of the clamping space, the pressure maintaining mechanism is matched, the pressure maintaining mechanism supports against the shell positioned above the top cover, the shell is stably sleeved on the battery cell connected with the top cover, and the situation that the shell shakes or the shell and the top cover generate relative displacement in the feeding or welding process is avoided, so that the risk that the shell scratches an insulating film of the battery cell is reduced, the battery is effectively protected, and the welding quality of the shell and the top cover is improved.

According to some embodiments of the invention, the positioning part comprises a plurality of positioning recesses, a plurality of the positioning recesses are arranged at intervals and matched with the convex part of the top cover.

According to the utility model discloses a some embodiments, the positioning seat still is equipped with two supports, support locates two relative lateral walls in clamping space, support is used for supporting the casing.

According to some embodiments of the utility model, the positioning seat still is equipped with benchmark portion, the benchmark portion is established to be located the inclined plane structure of the both sides of location portion is used as the casing with the clamping benchmark of top cap.

According to the utility model discloses a some embodiments, pressurize mechanism includes slide, briquetting and first elastic component, the slide along upper and lower direction slidable mounting in the positioning seat, the briquetting install in the slide extends to the clamping space, first elastic component is connected the slide with the positioning seat is in order to order about the briquetting is supported and is pressed the casing.

According to the utility model discloses a some embodiments, the slide is equipped with the lockhole, the positioning seat is equipped with the lockpin, the lockpin can insert the lockhole, in order to restrict the slide removes.

According to some embodiments of the utility model, the slide is equipped with the spout, the spout sets up along upper and lower direction, the lockhole is located the lower extreme of spout and with the spout intercommunication, the lockpin is worn to locate the spout can be followed spout relative movement, in order to insert the lockhole.

According to some embodiments of the utility model, the slide is equipped with rotates the seat, rotate the seat and install the rolling member, the briquetting install in rotate the seat, rotate the seat with be equipped with the second elastic component between the slide, the positioning seat is equipped with the guide part, the second elastic component is used for ordering about the rolling member butt in the guide part, just the rolling member can be followed the guide part rolls, with the guide rotate the seat along upper and lower direction removal and can face and deviate from the direction upset in clamping space.

The utility model discloses a according to the utility model discloses a some embodiments, the guide part includes first spigot surface and second spigot surface, first spigot surface sets up along upper and lower direction, the second spigot surface connect in the upper end and the slope of first spigot surface set up upwards, the lower extreme of second spigot surface is close to the clamping space.

According to the utility model discloses a some embodiments, the positioning seat still is equipped with two protection pieces, two the protection piece is located two relative lateral walls in clamping space, the protection piece is used for the protection the casing.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural view of a clamping fixture in an embodiment of the present invention;

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

FIG. 3 is a schematic structural view of the clamping fixture shown in FIG. 1 from another perspective;

FIG. 4 is an enlarged view of FIG. 3 at B;

fig. 5 is a schematic view of a partial structure of a pressure maintaining mechanism according to an embodiment of the present invention.

Reference numerals:

a base 100;

a positioning seat 200; a base plate 210; a reference portion 211; a column 220; a clamping space 230; a positioning part 240; a buttress 250; a locking pin 260; a guide portion 270; a first guide surface 271; a second guide surface 272; a protection block 280;

a pressure maintaining mechanism 300; a slider 310; a lock hole 311; a chute 312; a briquetting 320; a first elastic member 330; a rotating base 340; the rolling members 341; a rotating shaft 342; and a second elastic member 350.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 to 5, an embodiment of the present invention provides a battery inverted clamping fixture, which includes a base 100, a positioning seat 200, and a pressure maintaining mechanism 300.

It is easy to understand that, in this embodiment, during the clamping battery, the battery cell is connected with the top cap and placed upside down, i.e. the battery cell is located above the top cap, and the shell is sleeved on the periphery of the electrical property from top to bottom.

Referring to fig. 1, it can be understood that the base 100 is provided as a horizontally arranged plate-shaped structure, the positioning seat 200 is installed above the base 100, the positioning seat 200 includes a bottom plate 210 and upright posts 220 arranged at the front end and the rear end of the bottom plate 210, a clamping space 230 is formed above the bottom plate 210 and in a space between the two upright posts 220, an upper end surface of the bottom plate 210 is a bottom wall of the clamping space 230, and two opposite side surfaces of the two upright posts 220 are two opposite side walls of the clamping space 230.

Referring to fig. 1, it can be understood that the positioning socket 200 is provided with a positioning portion 240 and two supporting members 250, the positioning portion 240 is a plurality of positioning recesses provided on the upper end surface of the bottom plate 210, the plurality of positioning recesses are arranged at intervals in the front-rear direction, and the cross section of each positioning recess is circular. Generally, the top cover of the battery is provided with a plurality of protrusions protruding outward, the cross section of the protrusions is generally circular, and the positioning recesses correspond to and match the protrusions. Therefore, when the top cover is clamped, the convex part of the top cover is correspondingly accommodated in the positioning concave part, so that the top cover is positioned accurately, and the top cover can be prevented from rotating due to the arrangement of the plurality of positioning concave parts. It will of course be readily appreciated that if the cross-section of the projection is polygonal, a locating recess matching the projection may be provided, again to avoid rotation of the cap.

Referring to fig. 1, it can be understood that two supporters 250 are respectively installed on two opposite side walls of the clamping space 230 in the front-back direction and are symmetrically arranged in the front-back direction, and a projection of the supporters 250 in the up-down direction is "C" shaped, that is, the supporters 250 have supporters at the left and right ends. When the battery is clamped, the shell is placed into the clamping space 230 from top to bottom, and the shell penetrates through the space between the two supporting parts of the supporting piece 250, so that the shell is supported, the shell is limited in the front-back direction and the left-right direction, the shell is kept stable, the shell is prevented from shaking and being in contact friction with the battery cell, the insulating film of the battery cell is effectively prevented from being scratched by the shell, the shell and the top cover cannot move relatively, and the welding quality of the shell and the top cover is improved.

Referring to fig. 1, it can be understood that two pressure maintaining mechanisms 300 are provided and respectively provided at the tops of the two columns 220, and the two pressure maintaining mechanisms 300 are symmetrically arranged in the front-rear direction, i.e., the pressure maintaining mechanisms 300 are located at the tops of the clamping spaces 230. The pressure maintaining mechanism 300 can press the casing from above and keep a pressing state, so that the casing is prevented from moving relative to the top cover or shaking during feeding or welding, the risk that the casing scratches an insulating film of the battery cell is reduced, subsequent stable feeding is facilitated, and the casing and the top cover are convenient to weld.

Through set up location portion 240 and support piece 250 on positioning seat 200, during the clamping battery, location portion 240 can be accurately fixed a position the diapire in clamping space 230 with the top cap, and support piece 250 can support the casing and realize fixing a position the casing in clamping space 230, further stabilizes the casing. Cooperate pressurize mechanism 300, pressurize mechanism 300 supports to press the casing that is located the top cap top, makes the stable cover of casing locate the electric core of being connected with the top cap, avoids taking place to rock or casing and top cap take place relative displacement at pay-off or welding process casing to reduce the risk of casing scratch electric core's insulating film, effectively protect the battery and be favorable to improving the welding quality of casing and top cap.

Referring to fig. 2, it can be understood that the positioning seat 200 is further provided with a reference portion 211, specifically, the reference portion is provided as an inclined plane structure located at the front end and the rear end of the bottom plate 210 of the positioning seat 200, and the two inclined plane structures are respectively located at the two ends of the positioning portion 240, so that an operator can conveniently clamp the top cover and the housing by using the reference portion 211 as a reference, which is beneficial to improving clamping accuracy, enabling the side surface of the housing to coincide with the side surface of the bottom plate 210, improving guiding accuracy along the vertical direction, and improving welding quality.

Referring to fig. 3 and 4, it can be understood that the holding pressure mechanism 300 includes a slider 310, a pressing piece 320, and a first elastic member 330. The sliding base 310 is slidably installed on the column 220 of the positioning base 200 in the up-down direction, for example, the sliding base 310 and the column 220 are slidably engaged by a sliding rail and a sliding block, and the pressing block 320 is installed on the sliding base 310 and extends into the clamping space 230. First elastic component 330 sets up to the spring, the pulling force direction of spring sets up along upper and lower direction, the both ends of first elastic component 330 are connected with positioning seat 200 and slide 310 respectively, under the effort of first elastic component 330, slide 310 downstream can be ordered about, thereby slide 310 drives briquetting 320 downstream, make briquetting 320 support and press in the upper end of casing, and then make the stable cover of casing locate electric core, avoid casing relative top cap to remove or the casing to appear rocking, thereby reduce the risk of casing scratch electric core's insulating film, effectively protect the battery, and improve welding quality, make things convenient for follow-up stable pay-off and make things convenient for casing and top cap welding.

It is easy to understand that, in order to prevent the pressing block 320 from directly contacting the casing, the lower end surface of the pressing block 320 is provided with a protective layer, and the protective layer may be made of rubber or silica gel, so as to prevent the pressing block 320 from scratching the insulating film, and effectively protect the battery.

It is understood that when it is necessary to remove the battery, re-clamp the battery, or press-fit the housing and the top cover by an external press-fitting mechanism (not shown), the slide seat 310 can be driven by an external manipulator or a driving member (not shown) to move upward, so as to release the pressing block 320 from pressing against the housing for operation.

Referring to fig. 4, it can be understood that the sliding base 310 is provided with a locking hole 311, a center line of the locking hole 311 is arranged in a left-right direction, the positioning base 200 is provided with a locking pin 260, the locking pin 260 is arranged in the left-right direction and is positioned at one side of the sliding base 310, and at the same time, the locking pin 260 can move in the left-right direction. When an external manipulator or a driving part drives the sliding seat 310 to move upwards until the locking hole 311 corresponds to the locking pin 260, the locking pin 260 can move towards the locking hole 311 and is inserted into the locking hole 311, so that the sliding seat 310 is limited to move, the pressing block 320 is kept in a state of releasing the abutting-against shell, and the battery can be conveniently dismounted or re-clamped or the shell and the top cover can be conveniently pressed and mounted through an external pressing and mounting mechanism.

Referring to fig. 4, it can be understood that the sliding seat 310 is further provided with a sliding slot 312, the sliding slot 312 is disposed along the up-down direction, that is, the length direction of the sliding slot 312 is the same as the sliding direction of the sliding seat 310, the locking hole 311 is disposed at the lower end of the sliding slot 312 and is communicated with the sliding slot 312, generally speaking, along the left-right direction, the depth of the locking hole 311 is greater than that of the sliding slot 312, and the locking pin 260 is inserted into the sliding slot 312 and can move relatively along the sliding slot 312. When the pressing block 320 needs to be released from the state of pressing against the shell, the sliding base 310 is driven by an external mechanical arm or a driving part to move upwards, the lock pin 260 moves downwards relative to the sliding base 310 along the sliding groove 312 until the lock pin moves to the position corresponding to the lock hole 311, the lock pin 260 can move towards the lock hole 311 and is inserted into the lock hole 311, and therefore the sliding base 310 is limited from moving, the pressing block 320 is kept in the state of releasing from the pressing against the shell, and the battery can be conveniently dismounted and the next battery can be conveniently clamped. Through setting up spout 312, can provide the guide effect to lockpin 260, make lockpin 260 can accurately move to the position that corresponds with lockhole 311, improve precision and reliability.

Referring to fig. 3 to 5, it can be understood that the sliding base 310 is provided with a rotating base 340, the rotating base 340 is connected with the sliding base 310 through a rotating shaft 342, a center line of the rotating shaft 342 is arranged along a left-right direction, and the pressing block 320 is installed at one end of the rotating base 340 facing the clamping space 230. A second elastic member 350 is arranged between the rotating seat 340 and the sliding seat 310, the second elastic member 350 is a torsion spring, and under the acting force of the torsion spring, the rotating seat 340 can be driven to rotate upwards, so that the pressing block 320 can turn towards the direction departing from the clamping space 230.

Referring to fig. 4, it can be understood that the column 220 of the positioning socket 200 is provided with a guide portion 270, the guide portion 270 includes a first guide surface 271 and a second guide surface 272, the first guide surface 271 is disposed in the up-down direction and faces the clamping space 230, the second guide surface 272 is connected to the upper end of the first guide surface 271 and extends obliquely upward, and the lower end of the second guide surface 272 is located at one end close to the clamping space 230. Under the urging force of the torsion spring, both left and right ends of the rotating base 340 abut against the guide portion 270, that is, abut against the first guide surface 271 or the second guide surface 272. When the pressing block 320 is required to be released from the state of pressing against the housing, an external manipulator or a driving member drives the sliding seat 310 to move upwards, the sliding seat 310 drives the rotating seat 340 to move upwards, the rotating seat 340 firstly moves upwards along the first guide surface 271 until moving to the joint of the first guide surface 271 and the second guide surface 272, the rotating seat 340 further moves upwards along with the sliding seat 310, and under the action of the torsion spring, the rotating seat 340 overturns towards the outer side of the clamping space 230 and moves upwards along the second guide surface 272 until the lock pin 260 can be inserted into the lock hole 311, so that the state of releasing the pressing block 320 from pressing against the housing is completed. Therefore, when the pressing block 320 is released from abutting against the shell, the rotating seat 340 can drive the pressing block 320 to turn towards the direction deviating from the clamping space 230, so that the pressing block 320 leaves the range right above the clamping space 230, the pressing block 320 is prevented from being blocked to dismount the battery or re-clamp the battery, or the shell and the top cover are pressed through an external pressing mechanism, the operation is convenient, and the clamping and pressing efficiency is improved.

When the shell needs to be pressed, the lock pin 260 is separated from the lock hole 311, the sliding seat 310 moves downward under the action of the pulling force of the first elastic member 330, the rotating seat 340 moves downward along the second guide surface 272 and turns over toward the inside of the clamping space 230 until the rotating seat moves to the joint of the first guide surface 271 and the second guide surface 272, and as the sliding seat 310 further moves downward, the rotating seat 340 abuts against the first guide surface 271 and moves downward until the pressing block 320 abuts against the shell, and the clamping of the battery can be completed.

Referring to fig. 4 and 5, it can be understood that rolling members 341 are respectively installed at the left and right ends of the rotating seat 340, and the rolling members 341 are, for example, rollers or rotating sticks, and the rolling members 341 abut against the guide portion 270 and can move along the guide portion 270, so as to reduce the friction between the rotating seat 340 and the guide portion 270, and reduce the resistance of the rotating member to move or rotate, so that the pressing block 320 presses against the housing or releases the pressing.

Referring to fig. 1, it can be understood that the positioning seat 200 is further provided with two protection blocks 280, the two protection blocks 280 are respectively installed on the two upright posts 220, the two protection blocks 280 are respectively located on two side walls of the clamping space 230 in the front-back direction and abut against the bottom wall of the clamping space 230, that is, the two protection blocks 280 are located at two ends of the positioning portion 240 in the front-back direction, and the protection blocks 280 are made of red copper. When welding casing and top cap, red copper butt in battery along two sides of fore-and-aft direction, prevent among the welding process because of focus is too high burn insulating film, avoid arousing the short circuit to improve welding quality.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims (10)

1. The utility model provides a battery handstand clamping anchor clamps which characterized in that includes:

a base;

the positioning seat is arranged on the base and provided with a clamping space for clamping a battery, and the positioning seat is also provided with a positioning part which is arranged on the bottom wall of the clamping space and used for positioning the top cover;

and the pressure maintaining mechanism is arranged on the positioning seat and positioned at the top of the clamping space, and is used for abutting against the shell positioned above the top cover.

2. The battery handstand clamping fixture of claim 1, which is characterized in that: the positioning part comprises a plurality of positioning concave parts which are arranged at intervals and matched with the convex parts of the top cover.

3. The battery inverted clamping fixture as claimed in claim 1, wherein: the positioning seat is further provided with two supporting pieces, the supporting pieces are arranged on the two side walls opposite to the clamping space, and the supporting pieces are used for supporting the shell.

4. The battery inverted clamping fixture as claimed in any one of claims 1 to 3, wherein: the positioning seat is further provided with a reference part, the reference part is designed into an inclined plane structure positioned on two sides of the positioning part and used as a clamping reference of the shell and the top cover.

5. The battery inverted clamping fixture as claimed in claim 1, wherein: the pressure maintaining mechanism comprises a sliding seat, a pressing block and a first elastic piece, the sliding seat is slidably installed on the positioning seat along the up-down direction, the pressing block is installed on the sliding seat and extends to the clamping space, and the first elastic piece is connected with the sliding seat and the positioning seat so as to drive the pressing block to abut against the shell.

6. The battery inverted clamping fixture as claimed in claim 5, wherein: the sliding seat is provided with a lock hole, the positioning seat is provided with a lock pin, and the lock pin can be inserted into the lock hole to limit the sliding seat to move.

7. The battery handstand clamping fixture of claim 6, characterized in that: the sliding seat is provided with a sliding groove, the sliding groove is arranged along the vertical direction, the lock hole is arranged at the lower end of the sliding groove and communicated with the sliding groove, and the lock pin penetrates through the sliding groove and can move relative to the sliding groove to be inserted into the lock hole.

8. The inverted battery clamping jig according to any one of claims 5 to 7, characterized in that: the slide is equipped with and rotates the seat, rotate the seat and install the rolling member, the briquetting install in rotate the seat, rotate the seat with be equipped with the second elastic component between the slide, the positioning seat is equipped with the guide part, the second elastic component is used for ordering about the rolling member butt in the guide part, just the rolling member can be followed the guide part rolls, in order to guide rotate the seat and remove and can face and deviate from along upper and lower direction the direction upset in clamping space.

9. The battery inverted clamping fixture as claimed in claim 8, wherein: the guide part comprises a first guide surface and a second guide surface, the first guide surface is arranged along the vertical direction, the second guide surface is connected to the upper end of the first guide surface and is arranged obliquely upwards, and the lower end of the second guide surface is close to the clamping space.

10. The battery handstand clamping fixture of claim 1, which is characterized in that: the positioning seat is further provided with two protection blocks, the two protection blocks are arranged on the two side walls opposite to the clamping space, and the protection blocks are used for protecting the shell.

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