CN218926745U - Clamp for welding cylindrical battery - Google Patents

Clamp for welding cylindrical battery Download PDF

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Publication number
CN218926745U
CN218926745U CN202223320163.7U CN202223320163U CN218926745U CN 218926745 U CN218926745 U CN 218926745U CN 202223320163 U CN202223320163 U CN 202223320163U CN 218926745 U CN218926745 U CN 218926745U
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cylindrical battery
welding
positioning
module
plate
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陈昌
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Chuneng New Energy Co Ltd
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Chuneng New Energy Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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Abstract

The utility model provides a clamp for welding a cylindrical battery, which comprises a clamping mechanism, a bracket and a pressing plate, wherein the clamping mechanism is provided with a positioning cavity for placing the cylindrical battery so as to radially position the cylindrical battery; the bracket is arranged on the clamping mechanism; the pressing plate is detachably mounted on the support and abuts against the end face of the cylindrical battery to axially position the cylindrical battery, a through hole is formed in the portion, corresponding to the end face of the cylindrical battery, of the pressing plate, and the diameter of the through hole is smaller than that of the end face of the cylindrical battery. As the structure is characterized in that the positioning cavity is arranged to position the cylindrical battery radially, the pressing plate is arranged to press the cylindrical battery, so that the cylindrical battery is axially positioned, the positioning cavity has the advantage of convenience in positioning, the cylindrical battery is prevented from shifting during positioning, and welding precision is guaranteed.

Description

Clamp for welding cylindrical battery
Technical Field
The utility model relates to the technical field of battery production, in particular to a clamp for welding a cylindrical battery.
Background
Cylindrical batteries are a very common battery structure, which is mainly composed of a case and its internal electrical components. Inside the battery, an electrolyte needs to be injected to perform an electrochemical reaction. The partial cylindrical battery is filled with liquid through the liquid filling hole on the top cover, and due to the arrangement of the liquid filling hole, when the top cover and the current collecting disc are welded, the welding area surrounds the liquid filling hole, so that the top cover, the battery shell and the winding core are required to be accurately positioned before welding. For example, the utility model patent application with the publication number of CN112821019a discloses a cylindrical battery structure with a liquid injection hole on the top cover.
Due to the requirement of accuracy of welding positions, the battery needs to be accurately positioned before the battery current collecting disc and the top cover are welded. The present patent issued with publication number CN215658689U discloses a welding fixture for a current collecting disc of a cylindrical battery, comprising: base, riser, briquetting and pushing structure; the bottom of riser connect in the base, the briquetting is fixed in the top of riser, the briquetting is used for the top match location with the battery, push structure locates the below of briquetting just is used for supporting the battery and reciprocates, set up the locating hole that runs through on the briquetting, the locating hole is used for corresponding with the welding position of mass flow dish and battery.
In the technical scheme, the cylindrical battery is vertically placed on the pushing mechanism, and then the pushing mechanism drives the cylindrical battery to move upwards until the cylindrical battery abuts against the pressing block, so that the axial positioning of the cylindrical battery is realized. The limiting plate is provided with a limiting groove to position the circumferential surface of the cylindrical battery. However, because the limit groove is in an open structure, in the upward movement process of the cylindrical battery, the cylindrical battery is easy to shake due to the movement of the pushing mechanism and the friction between the cylindrical battery and the limit block, the cylindrical battery is difficult to deviate in the radial direction, the cylindrical battery can be accurately corresponding to the top block, and the accuracy of subsequent welding can be influenced. If the battery is held by hands, a certain danger exists in the lifting process of the battery; if the moving speed of the pushing mechanism is slowed down to ensure the moving stability, the processing efficiency is influenced.
Disclosure of Invention
In view of the above, the utility model provides a cylindrical battery welding fixture which is accurate in battery positioning, convenient and quick, and capable of ensuring accurate welding positions of a current collecting disc and a top cover, so as to solve the problem that the existing battery fixture is easy to shake and deviate to cause inaccurate positioning when clamping a battery.
The technical scheme of the utility model is realized as follows: the utility model provides a clamp for welding a cylindrical battery, which comprises a clamping mechanism, a bracket and a pressing plate, wherein,
the clamping mechanism is provided with a positioning cavity and is used for placing the cylindrical battery so as to radially position the cylindrical battery;
the bracket is arranged on the clamping mechanism;
the pressing plate is detachably arranged on the support and abuts against the end face of the cylindrical battery to axially position the cylindrical battery, and a through hole is formed in the part, corresponding to the end face of the cylindrical battery, of the pressing plate, and the diameter of the through hole is smaller than that of the end face of the cylindrical battery.
On the basis of the technical scheme, the pressing plate fixing device preferably further comprises a connecting piece, wherein the connecting piece is fixed on one surface of the pressing plate, which faces the support, and selectively connects the support to fix the pressing plate.
On the basis of the technical scheme, preferably, the bracket is made of ferromagnetic metal, the connecting piece is a magnet, and the pressing plate is fixed through the connecting piece attracting bracket.
On the basis of the technical scheme, the device preferably further comprises a positioning rod, wherein the positioning rod is fixed on the bracket;
the pressing plate is provided with a positioning hole corresponding to the positioning rod, and the positioning rod is inserted into the positioning hole.
On the basis of the technical scheme, the cylindrical battery pressing device is characterized by preferably further comprising a pressing cylinder, wherein the pressing cylinder is positioned in the through hole and detachably connected with the pressing plate, and the pressing cylinder extends out of the through hole towards one end of the cylindrical battery so as to prop against the end face of the cylindrical battery and axially position the cylindrical battery.
On the basis of the technical proposal, the pressing cylinder preferably further comprises a screw, the pressing cylinder comprises a plug-in part and a fixing part, wherein,
the inserting part is inserted in the through hole to support the end face of the cylindrical battery for axial positioning;
the fixing part is arranged around the inserting part and abuts against one surface of the pressing plate away from the bracket;
the screw penetrates through the fixing part and is connected with the pressing plate through threads.
On the basis of the technical proposal, the clamping mechanism preferably comprises a static module, a fixed plate and a movable module, wherein,
the static module is arranged on one side of the fixed plate, a first groove is formed in one side of the fixed plate, and the positions of the static module and the fixed plate are relatively fixed;
the movable module is arranged on the fixed plate and positioned between the static module and the movable module, a second groove is formed in one side of the movable module, which faces the static module, and the movable module can move relative to the static module;
the first groove and the second groove form a positioning cavity.
On the basis of the technical scheme, the movable module comprises a base plate, wherein the fixed module, the fixed plate and the movable module are arranged on the base plate, and the fixed module, the fixed plate and the movable module are detachably connected with the base plate.
On the basis of the technical scheme, preferably, a first positioning groove and a second positioning groove are formed in the bottom plate, wherein the static module is inserted in the first positioning groove; the fixed plate is inserted in the second positioning groove.
On the basis of the technical scheme, the fixing device preferably further comprises a plurality of locking bolts, wherein the locking bolts penetrate through the bottom plate and are connected with the static module and the fixing plate.
Compared with the prior art, the clamp for welding the cylindrical battery has the following beneficial effects:
(1) Radial positioning is performed on the cylindrical battery through the positioning cavity arranged on the clamping mechanism, and the support is arranged on the clamping mechanism and used for installing the pressing plate, and the pressing plate is detachably connected with the support and used for axially positioning the cylindrical battery. So, when fixing a position the cylindrical battery, the cylindrical battery need not carry out the centre gripping location through the mode of displacement, consequently just also can not appear the skew phenomenon, can effectually guarantee the axial positioning accuracy of cylindrical battery to improve the welding precision of cylindrical battery collector plate and top cap.
(2) The support utilizes ferromagnetic metal to make, and the clamp plate carries out fixed connection through the connecting piece and the support actuation of magnet material, and it makes the clamp plate can quick assembly disassembly, is favorable to improving the convenience to the cylinder battery location and take off the cylinder battery.
(3) The clamping mechanism is arranged into a static module and a movable module, a first groove is formed in the static module, a second groove is formed in the movable module to form a positioning cavity for accommodating the cylindrical battery, so that the movable module can be separated from the static module firstly when the cylindrical battery needs to be taken and placed, the convenience of placing and taking down the cylindrical battery is improved, and the stability of the battery in the radial direction is improved.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a perspective view of a jig for welding a cylindrical battery according to the present utility model;
FIG. 2 is a state diagram of a clamping cylindrical battery of the cylindrical battery welding jig of the present utility model;
FIG. 3 is a sectional view showing a state of holding a cylindrical battery by the jig for welding a cylindrical battery of the present utility model;
FIG. 4 is an exploded view of the cylindrical battery welding jig of the present utility model;
FIG. 5 is a view showing a structure of a pressing plate of the jig for welding a cylindrical battery according to the present utility model;
FIG. 6 is a diagram showing the split structure of the bracket, the pressing plate and the pressing cylinder of the clamp for welding the cylindrical battery;
FIG. 7 is an exploded view of the static module structure of the jig for welding a cylindrical battery of the present utility model;
FIG. 8 is an exploded view of the movable module structure of the jig for welding a cylindrical battery of the present utility model;
fig. 9 is a structural view of a cylindrical battery to which the present utility model is applied;
in the figure: clamping mechanism 1, positioning cavity 101, static module 11, side plate 111, positioning block 112, first groove 1101, fixing plate 12, moving module 13, bushing 131, guide rod 132, push block 133, clamping block 134, connecting frame 135, handle 136, guide shaft 137, spring 138, second groove 1301, bracket 2, pressure plate 3, through hole 301, positioning hole 302, connecting piece 4, positioning rod 5, pressure cylinder 6, plug-in part 61, fixing part 62, screw 7, bottom plate 8, first positioning groove 801, second positioning groove 802, locking bolt 00; cylindrical battery S, case 100, winding core 200, current collecting plate 300, top cover 400, and sealing plug 500.
Detailed Description
The following description of the embodiments of the present utility model will clearly and fully describe the technical aspects of the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, are intended to fall within the scope of the present utility model.
The existing cylindrical battery clamp is used for positioning a cylindrical battery, the battery needs to be driven to move, so that the battery is easy to shake in the displacement process, and if the battery shakes, the battery and the top cover are difficult to be accurately positioned, and the welding work of the current collecting disc and the top cover is not facilitated. The technical scheme aims at providing the clamp which can not shake the battery during positioning, so as to solve the technical problem.
As shown in fig. 1 to 4, the jig for welding a cylindrical battery of the present utility model comprises a clamping mechanism 1, a bracket 2 and a pressing plate 3, wherein,
as shown in fig. 1, the clamping mechanism 1 is provided with a positioning cavity 101 for placing a cylindrical battery S to be welded so as to radially position the cylindrical battery S. When the cylindrical battery S is placed on the welding fixture, the cylindrical battery S is only required to be directly inserted into the positioning cavity 101, so that the radial positioning of the cylindrical battery S can be realized, and the cylindrical battery S is not required to move in the positioning process, so that the cylindrical battery S cannot deviate in the radial direction.
When welding is performed, it is necessary to ensure that the cylindrical battery S is completely stable, and therefore it is also necessary to position the cylindrical battery S in the axial direction. Specifically, the pressing plate 3 and the bracket 2 are of a detachable structure, the middle part of the pressing plate 3 is opposite to the positioning cavity 101, and a through hole 301 is formed in the middle part of the pressing plate 3; the diameter of the through-hole 301 is smaller than the diameter of the end face of the cylindrical battery S, and the diameter of the through-hole 301 cannot be too small, and a welding area is left so that the welding area of the cylindrical battery S faces the through-hole 301. When the pressing plate 3 is installed, the through hole 301 is aligned with the end face of the cylindrical battery S, the pressing plate 3 is installed on the support 2, the pressing plate 3 and the support 2 are fixedly connected through the connecting piece 4, the pressing plate can abut against the end face of the cylindrical battery S to axially position the cylindrical battery S, and the welding machine can weld the top cover 400 and the current collecting disc 300 of the cylindrical battery S from the inside of the through hole 301. Compared with a mode of driving a battery to move for clamping and positioning, the device has the advantages of being accurate, quick and convenient in positioning;
specifically, as shown in fig. 9, in the cylindrical battery structure, after the winding core 200 is placed in the housing 100, the current collecting disc 300 is placed on the winding core 200, then the top cover 400 is covered on the housing 100, the edge of the top cover 400 is fixedly connected with the housing 100 through riveting or welding, then the top cover 400, the current collecting disc 300 and the winding core 200 are placed in the clamp to be clamped, and then the top cover 400, the current collecting disc 300 and the winding core 200 are welded. In order to prevent welding slag from falling into the housing 100 through the liquid injection hole of the top cover 400, a sealing plug 500 is provided to seal the liquid injection hole, and then welding is performed around the liquid injection hole.
In order to facilitate the removal of the cylindrical battery S after the welding is completed, the axial depth of the positioning cavity 101 is set to be smaller than the length of the cylindrical battery S. In this way, after the welding is finished, the cylindrical battery S can be pulled out from the positioning cavity by removing the pressing plate 3.
In order to improve the convenience of the removal of the pressing plate 3, a connecting member 4 is provided, and the connecting member 4 is fixed on a side of the pressing plate 3 facing the bracket 2 and selectively connects the bracket 2 to fix the pressing plate 3. The connecting piece 4 is used for connecting the pressing plate 3 with the bracket 2, and is convenient for taking the pressing plate 3 out of the bracket 2 so as to take out the cylindrical battery S from the clamp.
Specifically, the support 2 is made of ferromagnetic metal, the connecting piece 4 is a magnet, and the pressing plate 3 is fixed by sucking the support 2 through the connecting piece 4. In the above-described structure, the connecting member 4 is a magnet, and is fixed to the side of the platen 3 facing the bracket 2, as shown in fig. 5 and 6; meanwhile, the bracket 2 is made of ferromagnetic metal, so that after the pressing plate 3 is installed on the bracket 2, the pressing plate 3 and the bracket 2 are connected through magnetic attraction, and the convenience of assembling and disassembling the pressing plate 3 and the bracket 2 is greatly improved.
In order to further improve the convenience of positioning and mounting of the pressing plate 3, the brackets 2 are provided with positioning rods 5, and one positioning rod 5 is fixed on each of the two brackets 2; the pressing plate 3 is provided with a positioning hole 302 corresponding to the positioning rod 5. In this way, when the pressing plate 3 is installed, the pressing plate 3 is sleeved on the positioning rod 5 through the positioning hole 302, so that the through hole 301 can be aligned with the end face of the cylindrical battery S, and the convenience of fixing the cylindrical battery S is improved.
In order to prevent the welding slag from affecting the through hole of the pressing plate 3 during welding, a pressing cylinder 6 is arranged in the through hole 301 of the pressing plate 3, the pressing cylinder 6 is positioned in the through hole 301, the pressing cylinder 6 is detachably connected with the pressing plate 3, and one end of the pressing cylinder 6, facing the cylindrical battery S, extends out of the through hole 301 to abut against the end face of the cylindrical battery S, so that the cylindrical battery S is axially positioned. After a plurality of welding slag are adhered to the pressing cylinder 6, the welding slag can be detached, cleaned or replaced, so that the maintenance cost can be reduced, the pressing cylinder 6 extends out of the through hole 301, the cylindrical battery S can be better pressed, and the stability of the pressing top cover 400 is improved.
Since heat is generated during welding, the pressure cylinder 6 is preferably made of red copper so as to facilitate rapid heat dissipation; in the case of providing the press cylinder 6, the through-hole 301 on the press plate 3 may be larger than the end face diameter of the cylindrical battery S, but the aperture of the press cylinder 6 should be smaller than the end face diameter of the cylindrical battery S and not be too small to leave a welding area.
Specifically, as shown in fig. 6, the pressing cylinder 6 is mounted on the pressing plate 3 through a screw 7, the pressing cylinder 6 comprises a plug-in part 61 and a fixing part 62, wherein the plug-in part 61 is plugged in the through hole 301, and the plug-in part 61 abuts against the end face of the cylindrical battery S to axially position the cylindrical battery S; the fixing part 62 is arranged around the inserting part 61, and the fixing part 62 is propped against one surface of the pressing plate 3 away from the bracket 2; the screw 7 penetrates the fixing portion 62 and is screwed with the pressing plate 3. Thus, when the press cylinder 6 needs to be replaced, the screw 7 is removed first, so that the press cylinder 6 can be removed from the press plate 3.
Furthermore, in order to improve the stability of the cylindrical battery S, the cylindrical battery S may be clamped and positioned by a clamping manner.
Specifically, as shown in fig. 1 to 4, the clamping mechanism 1 includes a static module 11, a fixed plate 12 and a movable module 13, wherein the static module 11 is disposed on one side of the fixed plate 12, a first groove 1101 is opened on one side facing the fixed plate 12, and the positions of the static module 11 and the fixed plate 12 are relatively fixed; the movable module 13 is arranged on the fixed plate 12 and is positioned between the static module 11 and the movable module 13, a second groove 1301 is formed in one side, facing the static module 11, of the movable module 13, and the movable module 13 can move relative to the static module 11; the first recess 1101 and the second recess 1301 form the positioning chamber 101. Therefore, when the cylindrical battery S is installed, the movable module 13 is firstly far away from the static module 11, the cylindrical battery S is firstly abutted against the first groove 1101 of the static module 11, and then the movable module 13 is moved, so that the movable module 13 is abutted against the cylindrical battery S through the second groove 1301, and the cylindrical battery S is clamped.
The required clamping assembly is different due to the different size and diameter of the cylindrical batteries S, and for this purpose, in the present clamp, the stationary module 11 includes two side plates 111 and a positioning block 112. As shown in fig. 7, wherein two side plates 111 are provided at intervals; the positioning block 112 is disposed on the two side plates 111, and the positioning block 112 is detachably connected with the two side plates 111, and the first groove 1101 is formed on a portion of the positioning block 112 located between the two side plates 111. The first grooves 1101 are formed on the positioning blocks 112, and when the cylindrical battery S is used, the positioning blocks 112 with the first grooves 1101 having different sizes can be selected to be mounted on the side plate 111 according to different diameters of the cylindrical battery S.
As shown in fig. 8, the movable module 13 includes a movable clamping block 134, the second groove 1301 is formed on a side of the clamping block 134 facing the static module 11, and in specific application, the positioning block clamping block 134 with the second groove 1301 with different sizes is selected to be mounted on the push block 133 according to different diameters of the cylindrical batteries S;
the movable module 13 further comprises a bushing 131, a guide rod 132, a push block 133, a connecting frame 135 and a handle 136, wherein the bushing 131 is arranged on the fixed plate 12; the guide rod 132 is in sliding connection with the bushing 131, and the bushing 131 is used for guiding the movement of the guide rod 132; one end of the guide rod 132 faces the static module 11, and the push block 133 is fixed on one end of the guide rod 132 facing the static module 11; the clamping block 134 is detachably arranged on one side of the pushing block 133 facing the static module 11; the connecting frame 135 is fixed on one end of the guide rod 132 far away from the pushing block 133, and the connecting frame 135 and the pushing block 133 are oppositely positioned on two sides of the fixed plate 12; the handle 136 is fixed to the connection frame 135. When the cylindrical battery S needs to be clamped or taken out, the handle 136 is pulled, and the handle 136 drives the connecting frame 135, the guide rod 132, the pushing block 133 and the clamping block 134 to move, so that the cylindrical battery S is relatively close to or far from the static module 11, and clamping or loosening of the cylindrical battery S is achieved.
Further, the movable module 13 further includes a guiding shaft 137 and a spring 138, one end of the guiding shaft 137 is fixedly connected with the pushing block 133, and the other end of the guiding shaft 137 penetrates through the fixing plate 12; the spring 138 is sleeved on the guide shaft 137, one end of the spring 138 abuts against the push block 133, and the other end abuts against the fixed plate 12. In this way, when the clamping operation of the cylindrical battery S is performed, the spring 138 pushes the pushing block 133 and the clamping block 134 to move toward the stationary module 11 without manual pushing, thereby clamping the cylindrical battery S.
In order to facilitate grouping of the static module 11 and the movable module 13, the device is provided with a bottom plate 8, the static module 11, the fixed plate 12 and the movable module 13 are all arranged on the bottom plate 8, and the static module 11, the fixed plate 12 and the movable module 13 are detachably connected with the bottom plate 8.
In order to facilitate the installation of the static module 11 and the fixed plate 12, a first positioning groove 801 and a second positioning groove 802 are formed on the bottom plate 8, wherein the static module 11 is inserted into the first positioning groove 801; the fixing plate 12 is inserted into the second positioning groove 802. The positioning device is used for positioning the static module 11 and the fixed plate 12, so that the static module 11 can be well clamped and matched with the movable module 13.
In the clamp, a plurality of locking bolts 00 are provided, and the plurality of locking bolts 00 penetrate through the bottom plate 8 and connect the static module 11 and the fixing plate 12. Thus, the static module 11 and the dynamic module 13 can be well fixed.
In the clamp, a bracket 2 is fixedly connected with a clamping mechanism 1 through bolts; the positioning block 112 is fixedly connected with the side plate 111 through bolts; the clamping block 134 is fixedly connected with the pushing block 133 through bolts; the assembly and disassembly device has the advantage of convenience in assembly and disassembly, is convenient for assembly maintenance or replacement, and has strong practicability.
In the clamp, the static module 11 and the movable module 13 can also be realized by adopting automatic equipment, such as a clamping jaw cylinder, so as to drive two clamping blocks to clamp the cylindrical battery S, or a single cylinder is adopted to push the movable module 13 to realize the matching or separation with the static module 11.
The specific implementation steps are as follows:
when welding the top cover 400 and the current collecting plate 300 of the cylindrical battery S, it is necessary to assemble the battery, mount the winding core 200 in the case 100 of the cylindrical battery S, place the current collecting plate 300 on the winding core 200, and then connect and fix the top cover 400 and the case 100.
After the cylindrical battery S is assembled, the cylindrical battery S is placed into the positioning cavity 101 of the clamping mechanism 1, the liquid injection hole of the top cover 400 is sealed by the sealing plug 500, then the pressing plate 3 is placed on the support 2, the pressing plate 3 is sleeved on the positioning rod 5 on the support 2 through the positioning hole 302 so as to tightly press the cylindrical battery S for positioning, the through hole 301 of the pressing plate 3 is aligned with the top cover 400, and the welding head of the welding machine welds the part of the top cover 400 positioned in the through hole 301.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (10)

1. A fixture for welding a cylindrical battery is characterized in that: comprises a clamping mechanism (1), a bracket (2) and a pressing plate (3), wherein,
the clamping mechanism (1) is provided with a positioning cavity (101) for placing a cylindrical battery (S) so as to radially position the cylindrical battery (S);
the bracket (2) is arranged on the clamping mechanism (1);
the pressing plate (3) is detachably mounted on the support (2) and abuts against the end face of the cylindrical battery (S), so that the cylindrical battery (S) is axially positioned, a through hole (301) is formed in the part, corresponding to the end face of the cylindrical battery (S), of the pressing plate (3), and the diameter of the through hole (301) is smaller than that of the end face of the cylindrical battery (S).
2. The jig for welding a cylindrical battery according to claim 1, wherein: the device also comprises a connecting piece (4), wherein the connecting piece (4) is fixed on one surface of the pressing plate (3) facing the bracket (2) and selectively connected with the bracket (2) so as to fix the pressing plate (3).
3. The jig for welding a cylindrical battery according to claim 2, wherein: the support (2) is made of ferromagnetic metal, the connecting piece (4) is a magnet, and the pressing plate (3) is fixed by sucking the support (2) through the connecting piece (4).
4. The jig for welding a cylindrical battery according to claim 1, wherein: the device also comprises a positioning rod (5), wherein the positioning rod (5) is fixed on the bracket (2); the pressing plate (3) is provided with a positioning hole (302) corresponding to the positioning rod (5), and the positioning rod (5) is inserted into the positioning hole (302).
5. The jig for welding a cylindrical battery according to claim 1, wherein: the battery pressing device is characterized by further comprising a pressing cylinder (6), wherein the pressing cylinder (6) is positioned in the through hole (301), the pressing cylinder (6) is detachably connected with the pressing plate (3), and the pressing cylinder (6) extends out of the through hole (301) towards one end of the cylindrical battery (S) so as to prop against the end face of the cylindrical battery (S) to axially position the cylindrical battery (S).
6. The jig for welding a cylindrical battery according to claim 5, wherein: the screw (7) is also included, the pressing cylinder (6) comprises a plug-in connection part (61) and a fixing part (62), wherein,
the inserting part (61) is inserted into the through hole (301) so as to support the end face of the cylindrical battery (S) to axially position;
the fixing part (62) is arranged around the inserting part (61) and abuts against one surface of the pressing plate (3) far away from the bracket (2);
the screw (7) penetrates through the fixing part (62) and is connected with the pressing plate (3) through threads.
7. The jig for welding a cylindrical battery according to claim 1, wherein: the clamping mechanism (1) comprises a static module (11), a fixed plate (12) and a movable module (13), wherein,
the static module (11) is arranged on one side of the fixed plate (12), a first groove (1101) is formed in one side of the fixed plate (12), and the positions of the static module (11) and the fixed plate (12) are relatively fixed;
the movable module (13) is arranged on the fixed plate (12), is positioned between the static module (11) and the movable module (13), is provided with a second groove (1301) towards one side of the static module (11), and the movable module (13) can move relative to the static module (11);
the first groove (1101) and the second groove (1301) form the positioning cavity (101).
8. The jig for welding a cylindrical battery according to claim 7, wherein: still include bottom plate (8), quiet module (11) fixed plate (12) with move module (13) all set up on bottom plate (8), just quiet module (11) fixed plate (12) reaches move module (13) with bottom plate (8) can dismantle the connection.
9. The jig for welding a cylindrical battery according to claim 8, wherein: a first positioning groove (801) and a second positioning groove (802) are formed on the bottom plate (8), wherein,
the static module (11) is inserted into the first positioning groove (801);
the fixing plate (12) is inserted into the second positioning groove (802).
10. The jig for welding a cylindrical battery according to claim 8, wherein: the novel anti-theft device further comprises a plurality of locking bolts (00), wherein the locking bolts (00) penetrate through the bottom plate (8) and are connected with the static module (11) and the fixing plate (12).
CN202223320163.7U 2022-12-08 2022-12-08 Clamp for welding cylindrical battery Active CN218926745U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202223320163.7U CN218926745U (en) 2022-12-08 2022-12-08 Clamp for welding cylindrical battery

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Application Number Priority Date Filing Date Title
CN202223320163.7U CN218926745U (en) 2022-12-08 2022-12-08 Clamp for welding cylindrical battery

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CN218926745U true CN218926745U (en) 2023-04-28

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117697132A (en) * 2023-11-30 2024-03-15 东莞市创明电池技术有限公司 Self-adaptive support plate structure for welding side wall of cylindrical battery and method for welding side wall of cylindrical battery

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117697132A (en) * 2023-11-30 2024-03-15 东莞市创明电池技术有限公司 Self-adaptive support plate structure for welding side wall of cylindrical battery and method for welding side wall of cylindrical battery

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