CN110919171A - Curb plate hold-down mechanism and welding clamping device - Google Patents
Curb plate hold-down mechanism and welding clamping device Download PDFInfo
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- CN110919171A CN110919171A CN201911280121.5A CN201911280121A CN110919171A CN 110919171 A CN110919171 A CN 110919171A CN 201911280121 A CN201911280121 A CN 201911280121A CN 110919171 A CN110919171 A CN 110919171A
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- plate
- pressing
- battery module
- side plate
- end plate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/20—Bonding
- B23K26/21—Bonding by welding
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- Battery Mounting, Suspending (AREA)
Abstract
The invention relates to the technical field of battery welding positioning equipment, and provides a side plate pressing mechanism and a welding clamping device, wherein the side plate pressing mechanism is used for pressing a side plate of a battery module during welding and comprises a first pressing plate, a universal joint, a movable seat and a first mounting seat which are sequentially connected, the first pressing plate is used for being abutted against the side plate of the battery module, the movable seat comprises an elastic telescopic rod and a seat body movably mounted on the first mounting seat, the seat body can move in a direction close to or far away from the battery module, the elastic telescopic rod is connected between the universal joint and the seat body, and the side plate pressing mechanism can effectively eliminate a gap between the side plate and an end plate, so that the welding effect of the battery module is better, the integral structural strength of the battery module is ensured, and safety accidents are effectively avoided.
Description
Technical Field
The invention relates to the technical field of battery welding positioning equipment, and particularly provides a side plate pressing mechanism and a welding clamping device.
Background
In the laser welding process of the existing battery module, firstly, a side plate and an end plate of the battery module are clamped tightly, and then, a joint of the side plate and the end plate is welded.
However, because traditional clamping device's the tight precision of clamp is lower, easily cause can not effective contact and produce the gap between curb plate and the end plate of battery module to cause the welding effect poor, make the overall structure intensity of battery module reduce, and then make battery module have potential safety hazards such as scattering, short circuit, fire.
Disclosure of Invention
The invention aims to provide a side plate pressing mechanism and a welding clamping device, and aims to solve the technical problems that the clamping precision of the existing welding clamping device is low, and the side plate and the end plate of a battery module cannot be effectively clamped.
In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a curb plate hold-down mechanism for compress tightly the curb plate of battery module when the welding, including first clamp plate, universal joint, sliding seat and the first mount pad that connects gradually, first clamp plate be used for with the curb plate butt of battery module, the sliding seat include elastic telescopic rod and movably install in the pedestal of first mount pad, the pedestal can be followed and is close to or keep away from the direction removal of battery module, elastic telescopic rod connect in universal joint with between the pedestal.
The side plate pressing mechanism provided by the invention at least has the following beneficial effects: when using, promote the sliding seat earlier, make first clamp plate move towards the curb plate direction that is close to battery module, until first clamp plate sticiss on the curb plate of battery module, at this moment, if first clamp plate surface and curb plate surface nonparallel, when first clamp plate and curb plate butt, universal joint can take place to deflect according to the parallel deviation on first clamp plate surface and curb plate surface, so that first clamp plate and the parallel laminating of curb plate, so that curb plate and the parallel laminating of end plate make, and simultaneously, first clamp plate lasts to exert pressure to the curb plate under the effect of elastic telescopic rod, so that make curb plate and end plate keep closely laminating, thereby effectively eliminate the gap between curb plate and the end plate, make battery module's welding effect better, guarantee battery module's overall structure intensity, effectively avoid taking place the incident.
In one embodiment, the elastic telescopic rod includes a telescopic rod body connected between the universal joint and the base body and a pressure spring sleeved on the telescopic rod body, and the pressure spring is used for providing an extension force to the telescopic rod body.
In one embodiment, the first mounting seat is provided with a linear slide rail, and the seat body is provided with a slide block in sliding fit with the linear slide rail.
In one embodiment, the universal joint comprises a fixed part and a movable part which are connected with each other, a spherical cavity is arranged at one end of the fixed part close to the movable part, and a universal ball accommodated in the spherical cavity is arranged at one end of the movable part close to the fixed part.
In one embodiment, the number of the universal joints and the number of the elastic telescopic rods are multiple, and each universal joint is connected with each elastic telescopic rod in a one-to-one correspondence manner.
In order to achieve the above object, the present invention further provides a welding clamping device for clamping a battery module during welding, including a bottom plate, an end plate pressing mechanism and a plurality of side plate pressing mechanisms, wherein the end plate pressing mechanisms and the side plate pressing mechanisms are all mounted on the bottom plate; the end plate pressing mechanism comprises a first end plate pressing assembly and a second end plate pressing assembly, wherein the first end plate pressing assembly is used for being abutted against one end plate of the battery module, and the second end plate pressing assembly is used for being abutted against the other end plate of the battery module; the side plate pressing mechanisms are oppositely arranged on two sides of the battery module so as to press the two side plates of the battery module.
The welding clamping device provided by the invention at least has the following beneficial effects: when the battery module is used, the battery module is arranged in a working space defined by the first end plate pressing assembly, the second end plate pressing assembly and the plurality of side plate pressing mechanisms, then the first end plate pressing assembly and the second end plate pressing assembly respectively press the corresponding end plates of the battery module, then the movable seat is pushed to enable the first pressing plate to move towards the direction close to the side plates of the battery module until the first pressing plate is tightly pressed on the side plates of the battery module, at the moment, if the surface of the first pressing plate is not parallel to the surface of the side plates, when the first pressing plate is abutted against the side plates, the universal joint deflects according to the parallel deviation of the surface of the first pressing plate and the surface of the side plates so as to enable the first pressing plate to be attached to the side plates in parallel, meanwhile, the first pressing plate continuously presses the side plates under the action of the elastic telescopic rod so as to enable the side plates to be tightly attached to the end plates, and gaps between the side plates are effectively eliminated, make battery module's welding effect better, guarantee battery module's overall structure intensity, effectively avoid taking place the incident.
In one embodiment, the first end plate pressing assembly comprises a second mounting seat mounted on the bottom plate and a second pressing plate mounted on the second mounting seat, and the second pressing plate is used for abutting against an end plate of the battery module.
In one embodiment, the first end plate compression assembly further includes a pressure sensor disposed between the second compression plate and the second mounting seat.
In one embodiment, the second end plate pressing assembly comprises a third mounting seat mounted on the bottom plate, a third pressing plate used for abutting against an end plate of the battery module far away from the first end plate pressing assembly, and a first push rod movably mounted on the third mounting seat, the first push rod can move in a direction close to or far away from the battery module, one end of the first push rod is connected with the third pressing plate, and the other end of the first push rod is connected with a first external power device.
In one embodiment, the welding clamping device further includes two side plate pre-pressing mechanisms oppositely disposed at two sides of the battery module, each side plate pre-pressing mechanism includes a fourth mounting seat mounted on the bottom plate, a fourth pressing plate used for being abutted to a side plate of the battery module, and a second push rod movably mounted on the fourth mounting seat, the second push rod can move in a direction close to or away from the battery module, one end of the second push rod is connected with the fourth pressing plate, and the other end of the second push rod is connected with a second external power device.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of a side plate pressing mechanism according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of an elastic expansion link of the side plate compression mechanism shown in FIG. 1;
FIG. 3 is a schematic structural view of a universal joint of the side plate hold-down mechanism shown in FIG. 1;
FIG. 4 is a schematic structural diagram of a welding fixture according to an embodiment of the present invention;
FIG. 5 is a schematic view of the second platen of the weld fixture of FIG. 4;
FIG. 6 is a schematic view of a third pressure plate of the welding fixture of FIG. 4;
FIG. 7 is a schematic view of a fourth platen of the weld fixture of FIG. 4;
FIG. 8 is a schematic view showing a state of use of a conventional welding jig;
fig. 9 is a schematic view of a usage state of the side plate pressing mechanism according to the embodiment of the present invention.
Wherein, in the figures, the respective reference numerals:
10. a side plate pressing mechanism 11, a first pressing plate, 12, a universal joint, 121, a fixing portion, 122, a movable portion, 13, a movable seat, 131, a seat body, 1311, a sliding block, 132, an elastic expansion rod, 1321, an expansion rod body, 1322, a compression spring, 1323, a first connecting portion, 1324, a second connecting portion, 14, a first mounting seat, 141, a linear sliding rail, 142, a first strip-shaped hole, 20, a bottom plate, 30, an end plate pressing mechanism, 31, a first end plate pressing component, 311, a second pressing plate, 312, a second mounting seat, 3121, a second strip-shaped hole, 313, a pressure sensor, 32, a second end plate pressing component, 321, a third pressing plate, 322, a third mounting seat, 3221, a third strip-shaped hole, 323, a first push rod, 40, a side plate pre-pressing mechanism, 41, a fourth pressing plate, 42, a fourth mounting seat, 421, a fourth hole, 43, a second push rod, 50, a battery module, 51, and a side plate, 52. and an end plate.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1, a side plate pressing mechanism 10 is used for pressing a side plate 51 of a battery module 50 during welding, and includes a first pressing plate 11, a universal joint 12, a movable seat 13 and a first mounting seat 14, which are connected in sequence, the first pressing plate 11 is used for abutting against the side plate 51 of the battery module 50, the movable seat 13 includes an elastic telescopic rod 132 and a seat body 131 movably mounted on the first mounting seat 14, the seat body 131 can move in a direction close to or away from the battery module 50, and the elastic telescopic rod 132 is connected between the universal joint 12 and the seat body 131.
When the side plate pressing mechanism 10 is used, the movable seat 13 is firstly pushed to move the first pressing plate 11 toward the side plate 51 of the battery module 50 until the first pressing plate 11 is tightly pressed on the side plate 51 of the battery module 50, at this time, if the surface of the first pressing plate 11 is not parallel to the surface of the side plate 51, when the first pressing plate 11 abuts against the side plate 51, the universal joint 12 deflects according to the parallel deviation between the surface of the first pressing plate 11 and the surface of the side plate 51, so that the first pressing plate 11 is attached to the side plate 51 in parallel, so that the side plate 51 is attached to the end plate 52 in parallel, and at the same time, the first pressing plate 11 continuously presses the side plate 51 under the action of the elastic expansion link 132, so that the side plate 51 is tightly attached to the end plate 52, thereby effectively eliminating the gap between the side plate 51 and the end plate 52, making the welding effect of the battery module 50 better, and ensuring the overall structural strength, effectively avoiding the occurrence of safety accidents.
To facilitate understanding of the working principle of the side plate pressing mechanism 10, the side plate pressing mechanism 10 will be further described with reference to fig. 8 and 9.
Fig. 8 shows the use state of the conventional side plate pressing mechanism 10, the pressing plate of the conventional side plate pressing mechanism is fixedly connected with the movable seat 13, when the surface of the pressing plate is not parallel to the surface of the side plate 51 of the battery module 50, the pressing plate is partially abutted to the side plate 51, so that the whole side plate 51 is unevenly stressed, thereby the side plate 51 is locally pressed against the end plate 52, and other parts of the side plate 51 are separated from the end plate 52, so that a gap appears between the side plate 51 and the end plate 52, when the side plate 51 and the end plate 52 are welded, the position welding effect of the separation of the side plate 51 and the end plate 52 is poor, the connection strength of the welded side plate 51 and the end plate 52 is low, and the battery module 50 is easily dispersed to cause the safety accident of.
Fig. 9 shows a use state of the side plate pressing mechanism 10 provided by the present invention, the side plate pressing mechanism 10 is connected to the movable base 13 through the universal joint 12, if the surface of the first pressing plate 11 is not parallel to the surface of the side plate 51, when the first pressing plate 11 abuts against the side plate 51, the universal joint 12 will deflect according to the parallel deviation between the surface of the first pressing plate 11 and the surface of the side plate 51 to compensate the parallel deviation between the first pressing plate 11 and the side plate 51, so that the first pressing plate 11 and the side plate 51 are parallel attached to each other, so that the pressure applied to the whole side plate 51 is uniform, and the side plate 51 and the end plate 52 can be parallel attached to each other, and at the same time, the first pressing plate 11 continuously presses the side plate 51 under the action of the elastic expansion rod 132, so that the side plate 51 and the end plate 52 are kept closely attached to effectively eliminate the gap between the side plate 51 and the end plate 52, the overall structural strength of the battery module 50 is ensured, and safety accidents are effectively avoided.
It should be noted that there are various ways to provide the pressing power to the first pressing plate 11, such as manually pushing the movable seat 13; if a locking mechanism is arranged between the first mounting seat 14 and the movable seat 13, the movable seat 13 is manually pushed to press the first pressing plate 11 against the side plate 51 of the battery module 50, and the movable seat 13 is locked on the first mounting seat 14 through the locking mechanism to press the side plate 51 of the battery module 50, wherein the locking mechanism has various structures, such as a matching structure of a pin and a pin hole, and a buckling structure, which is not specifically limited herein; for example, a third external power device is disposed on a side of the movable seat 13 opposite to the first pressing plate 11 to push the movable seat 13 to press the first pressing plate 11 against the side plate 51, wherein the type of the third external power device is various, such as an electric cylinder, a motor, and the like, and is not limited herein.
In an embodiment, as shown in fig. 2, the elastic expansion link 132 includes an expansion link 1321 connected between the universal joint 12 and the base 131, and a compression spring 1322 sleeved on the expansion link 1321, wherein the compression spring 1322 is used for providing an expansion force to the expansion link 1321. When the first pressing plate 11 is tightly pressed on the side plate 51 of the battery module 50, the contraction rod body is in a retraction state, at the moment, the pressure spring 1322 is extruded and deformed to generate elastic force, the elastic force acts on the first pressing plate 11 through the expansion rod body 1321, and pressure continuously acting on the side plate 51 of the battery module 50 is provided for the first pressing plate 11, so that the side plate 51 and the end plate 52 are tightly attached in the welding process, and the welding effect is better.
Specifically, referring to fig. 2, one end of the telescopic rod 1321 is provided with a first connection portion 1323 for connecting with the universal joint 12, the other end is provided with a second connection portion 1324 for connecting with the seat body 131, and one end of the compression spring 1322 abuts against the first connection portion 1323 and the other end abuts against the second connection portion 1324.
In an embodiment, please refer to fig. 1, the first mounting base 14 has a linear slide rail 141, and the base 131 has a slide block 1311 slidably engaged with the linear slide rail 141. The base 131 moves along the linear slide rail 141 toward or away from the side plate 51 of the battery module 50 through the slider 1311, thereby effectively improving the overall stability.
In an embodiment, please refer to fig. 3, the universal joint 12 includes a fixed portion 121 and a movable portion 122 connected to each other, one end of the fixed portion 121 close to the movable portion 122 is provided with a spherical cavity, and one end of the movable portion 122 close to the fixed portion 121 is provided with a universal ball accommodated in the spherical cavity. When the surface of the first pressing plate 11 is not parallel to the surface of the side plate 51, when the first pressing plate 11 abuts against the side plate 51, the universal ball rotates in the spherical cavity to deflect the first pressing plate 11, so that the parallel deviation of the first pressing plate 11 and the side plate 51 is compensated, and the first pressing plate 11 is attached to the side plate 51 in parallel.
In an embodiment, please refer to fig. 1, the number of the universal joints 12 and the number of the elastic expansion rods 132 are multiple, and each universal joint 12 is connected to each elastic expansion rod 132 in a one-to-one correspondence manner. Through setting up a plurality of universal joint 12 and elastic expansion rod 132, can make the whole thrust that receives of first clamp plate 11 more even to make first clamp plate 11 act on the degree of consistency of the pressure of the curb plate 51 of battery module 50 also corresponding improvement, thereby guarantee that battery module 50's curb plate 51 and end plate 52 can evenly laminate. In particular, it can be seen from the figure that four universal joints 12 and four elastic telescopic rods 132 can be provided, and the four universal joints 12 are connected to four corners of the first pressing plate 11, so as to further improve the uniformity of the pressure of the first pressing plate 11 on the side plate 51 of the battery module 50. Of course, the universal joints 12 and the elastic telescopic rods 132 can be provided in different numbers, such as two, six, etc., according to actual needs, and are not limited in detail herein.
Referring to fig. 4, a welding clamping device for clamping a battery module 50 during welding includes a bottom plate 20, an end plate pressing mechanism 30 and a plurality of side plate pressing mechanisms 10, wherein the end plate pressing mechanisms 30 are mounted on the bottom plate 20; the end plate pressing mechanism 30 includes a first end plate pressing member 31 for abutting against one end plate 52 of the battery module 50 and a second end plate pressing member 32 for abutting against the other end plate 52 of the battery module 50; the plurality of side plate pressing mechanisms 10 are oppositely provided at both sides of the battery module 50 to press both side plates 51 of the battery module 50.
When the welding and clamping device is used, the battery module 50 is placed in a working space surrounded by the first end plate pressing assembly 31, the second end plate pressing assembly 32 and the plurality of side plate pressing mechanisms 10, then the first end plate pressing assembly 31 and the second end plate pressing assembly 32 respectively press the corresponding end plate 52 of the battery module 50, then the movable seat 13 is pushed, the first pressing plate 11 moves towards the side plate 51 of the battery module 50 until the first pressing plate 11 is pressed on the side plate 51 of the battery module 50, at this time, if the surface of the first pressing plate 11 is not parallel to the surface of the side plate 51, when the first pressing plate 11 is abutted against the side plate 51, the universal joint 12 deflects according to the parallel deviation between the surface of the first pressing plate 11 and the surface of the side plate 51, so that the first pressing plate 11 is abutted against the side plate 51, so that the side plate 51 is abutted against the end plate 52, and at the same time, the first pressing plate 11 continues to press the side plate 51 under the action of the elastic expansion link 132, make curb plate 51 and end plate 52 keep closely laminating with this to effectively eliminate the gap between curb plate 51 and the end plate 52, make battery module 50's welding effect better, guarantee battery module 50's overall structure intensity, effectively avoid taking place the incident.
As shown in fig. 4, four side plate pressing mechanisms 10 may be provided, and each side plate pressing mechanism 10 is respectively disposed at end positions of two side plates 51 of the battery module 50 to ensure that two end portions of each side plate 51 are respectively and effectively attached to corresponding end plates 52. Of course, the number of the side plate pressing mechanisms 10 may be different according to actual situations, such as six, eight, etc., and is not limited in detail.
Specifically, the first mount 14 of the side plate pressing mechanism 10 is provided with a first bar-shaped hole 142 for connection with the bottom plate 20, the first bar-shaped hole 142 extending in a direction parallel to the side plate 51 of the battery module 50. When the welding clamping device is installed, the position of the side plate pressing mechanism 10 can be adjusted along the length direction of the first bar-shaped hole 142 according to the actual size of the battery module 50, and the universality of the welding clamping device is effectively improved.
In an embodiment, with reference to fig. 4, the first end plate pressing assembly 31 includes a second mounting seat 312 mounted on the bottom plate 20 and a second pressing plate 311 mounted on the second mounting seat 312, and the second pressing plate 311 is configured to abut against an end plate 52 of the battery module 50. First end plate compressing assembly 31 can provide the location reference face for battery module 50, and when using, can arrange battery module 50 in the position of laminating with second clamp plate 311 earlier, rethread second end plate compressing assembly 32 compresses tightly battery module 50 away from the end plate 52 of first end plate compressing assembly 31 to this presss from both sides tightly battery module 50 between first end plate compressing assembly 31 and second end plate compressing assembly 32.
Further, with reference to fig. 4, the first end plate pressing assembly 31 further includes a pressure sensor 313, and the pressure sensor 313 is disposed between the second pressing plate 311 and the second mounting seat 312. By arranging the pressure sensor 313 between the second pressing plate 311 and the second mounting seat 312, a user can accurately know the clamping pressure at the two ends of the battery module 50, and the damage of the battery module 50 caused by the overlarge clamping pressure is avoided.
The pressure sensor 313 may be electrically connected to an external monitoring device for a user to monitor the change of the clamping pressure, and the type of the external monitoring device is various, such as a computer, a mobile phone, and the like, and is not limited herein.
In an embodiment, referring to fig. 4, the second end plate pressing assembly 32 includes a third mounting seat 322 mounted on the bottom plate 20, a third pressing plate 321 for abutting against the end plate 52 of the battery module 50 away from the first end plate pressing assembly 31, and a first pushing rod 323 movably mounted on the third mounting seat 322, the first pushing rod 323 can move in a direction close to or away from the battery module 50, one end of the first pushing rod 323 is connected to the third pressing plate 321, and the other end is connected to the first external power device. When the battery module pressing device is used, the battery module 50 is placed at a position close to the first end plate pressing component 31, one end plate 52 of the battery module 50 is abutted to the second pressing plate 311, the first push rod 323 is pushed by first external power equipment to move along the axis, the third pressing plate 321 is pressed on the other end plate 52 of the battery module 50, and therefore the two end plates 52 of the battery module 50 are pressed.
The first external power device may be of various types, such as an electric cylinder, a motor, and the like, and is not particularly limited herein.
Further, as shown in fig. 5 and fig. 6, a first position-limiting portion extending toward the battery module 50 is disposed at the top of the second pressing plate 311, and the first position-limiting portion abuts against the top of an end plate 52 of the battery module 50; the top of the third pressing plate 321 is provided with a second limiting portion extending toward the battery module 50, and the second limiting portion abuts against the top of the other end plate 52 of the battery module 50. Through setting up first spacing portion and second spacing portion, carry out the spacing of vertical direction to the both ends board 52 of battery module 50, prevent that end board 52 from shifting upwards and leading to the circumstances of battery module 50 hunch-up taking place at the in-process of pressing from both sides tight battery module 50.
Further, as shown in fig. 4, the second mounting seat 312 is provided with a second elongated hole 3121 for connecting with the base plate 20, the second elongated hole 3121 extending in a direction perpendicular to the end plate 52 of the battery module 50; and/or, the third mounting seat 322 is provided with a third bar-shaped hole 3221 for connecting with the bottom plate 20, and the third bar-shaped hole 3221 extends toward a direction perpendicular to the end plate 52 of the battery module 50. When being mounted, the first end plate pressing assembly 31 may be position-adjusted in the length direction of the second elongated hole 3121 according to the actual size of the battery module 50, and similarly, the second end plate pressing assembly 32 may be position-adjusted in the length direction of the third elongated hole 3221 according to the actual size of the battery module 50, further improving the versatility of the welding jig.
In an embodiment, referring to fig. 4, the welding clamping device further includes two side plate pre-pressing mechanisms 40 oppositely disposed on two sides of the battery module 50, each side plate pre-pressing mechanism 40 includes a fourth mounting seat 42 mounted on the bottom plate 20, a fourth pressing plate 41 for abutting against a side plate 51 of the battery module 50, and a second pushing rod 43 movably mounted on the fourth mounting seat 42, the second pushing rod 43 is movable in a direction approaching or departing from the battery module 50, one end of the second pushing rod 43 is connected to the fourth pressing plate 41, and the other end of the second pushing rod 43 is connected to a second external power device. When the welding device is used, the second push rod 43 is pushed by the second external power equipment to move along the axis, so that the fourth pressing plate 41 is pressed on the side plate 51 of the battery module 50, thereby pre-pressing the side plate 51 of the battery module 50, and then the first pressing plate 11 of the side plate pressing mechanism 10 is pressed on the side plate 51 of the battery module 50, so that the side plate 51 and the end plate 52 of the battery module 50 are effectively attached, and then welding can be performed, and the welding effect is further improved.
The second external power device may be of various types, such as an electric cylinder, a motor, and the like, and is not particularly limited herein.
Further, as shown in fig. 7, a third position-limiting portion extending toward the battery module 50 is disposed at a top of the fourth pressing plate 41, and the third position-limiting portion abuts against a top of the side plate 51 of the battery module 50. Through setting up the spacing portion of third, carry out the spacing of vertical direction to curb plate 51 of battery module 50, effectively prevent curb plate 51 upwards to shift in the pre-compaction process.
Further, as shown in fig. 4, the fourth mounting seat 42 is provided with a fourth hole 421 for connecting with the bottom plate 20, and the fourth hole 421 extends toward a direction perpendicular to the side plate 51 of the battery module 50. When the welding clamping device is installed, the position of the side plate pre-pressing mechanism 40 can be adjusted along the length direction of the fourth hole 421 according to the actual size of the battery module 50, so that the universality of the welding clamping device is further improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a curb plate hold-down mechanism for compress tightly battery module's curb plate when the welding, its characterized in that: including the first clamp plate, universal joint, sliding seat and the first mount pad that connect gradually, first clamp plate be used for with the curb plate butt of battery module, the sliding seat include elastic telescopic rod and movably install in the pedestal of first mount pad, the pedestal can be followed and is close to or keeps away from the direction of battery module removes, elastic telescopic rod connect in universal joint with between the pedestal.
2. The side plate hold down mechanism of claim 1, wherein: the elastic telescopic rod comprises a telescopic rod body connected between the universal joint and the base body and a pressure spring sleeved on the telescopic rod body, and the pressure spring is used for providing stretching force for the telescopic rod body.
3. The side plate hold down mechanism of claim 1, wherein: the first mounting seat is provided with a linear slide rail, and the seat body is provided with a slide block in sliding fit with the linear slide rail.
4. The side plate hold down mechanism of claim 1, wherein: the universal joint comprises a fixed part and a movable part which are connected with each other, a spherical cavity is arranged at one end of the fixed part close to the movable part, and a universal ball accommodated in the spherical cavity is arranged at one end of the movable part close to the fixed part.
5. The side plate hold down mechanism of any one of claims 1-4, wherein: the universal joints and the elastic telescopic rods are multiple, and the universal joints are correspondingly connected with the elastic telescopic rods one by one.
6. The utility model provides a welding clamping device for press from both sides battery module tight when the welding, its characterized in that: comprises a bottom plate, an end plate pressing mechanism and a plurality of side plate pressing mechanisms according to any one of claims 1 to 5, wherein the end plate pressing mechanisms and the plurality of side plate pressing mechanisms are all arranged on the bottom plate; the end plate pressing mechanism comprises a first end plate pressing assembly and a second end plate pressing assembly, wherein the first end plate pressing assembly is used for being abutted against one end plate of the battery module, and the second end plate pressing assembly is used for being abutted against the other end plate of the battery module; the side plate pressing mechanisms are oppositely arranged on two sides of the battery module so as to press the two side plates of the battery module.
7. The weld clamping device of claim 6, wherein: the first end plate pressing component comprises a second mounting seat mounted on the bottom plate and a second pressing plate mounted on the second mounting seat, and the second pressing plate is used for being abutted to an end plate of the battery module.
8. The weld clamping device of claim 7, wherein: the first end plate pressing assembly further comprises a pressure sensor, and the pressure sensor is arranged between the second pressing plate and the second mounting seat.
9. The weld clamping device of claim 6, wherein: the second end plate pressing component comprises a third mounting seat mounted on the bottom plate, a third pressing plate used for being abutted to an end plate of the first end plate pressing component and a first push rod movably mounted on the third mounting seat, the first push rod can move in the direction close to or far away from the battery module, one end of the first push rod is connected with the third pressing plate, and the other end of the first push rod is connected with first external power equipment.
10. The welding clamp of any of claims 6-9, wherein: the welding clamping device further comprises two side plate pre-pressing mechanisms which are oppositely arranged on two sides of the battery module, each side plate pre-pressing mechanism comprises a fourth mounting seat arranged on the bottom plate, a fourth pressing plate used for being abutted to a side plate of the battery module and a second push rod movably arranged on the fourth mounting seat, the second push rod can move in the direction close to or far away from the battery module, one end of the second push rod is connected with the fourth pressing plate, and the other end of the second push rod is connected with second external power equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911280121.5A CN110919171A (en) | 2019-12-13 | 2019-12-13 | Curb plate hold-down mechanism and welding clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911280121.5A CN110919171A (en) | 2019-12-13 | 2019-12-13 | Curb plate hold-down mechanism and welding clamping device |
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| Publication Number | Publication Date |
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| CN110919171A true CN110919171A (en) | 2020-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911280121.5A Pending CN110919171A (en) | 2019-12-13 | 2019-12-13 | Curb plate hold-down mechanism and welding clamping device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112658567A (en) * | 2020-12-15 | 2021-04-16 | 大族激光科技产业集团股份有限公司 | Battery module plastic side welding positioning mechanism and assembly shaping device |
| CN113510326A (en) * | 2021-09-09 | 2021-10-19 | 徐州马尔默激光技术有限公司 | Laser soldering robot |
| CN113547263A (en) * | 2021-06-23 | 2021-10-26 | 广东利元亨智能装备股份有限公司 | Battery module welding and fixing device and fixing method |
| CN115084787A (en) * | 2022-06-30 | 2022-09-20 | 广东利元亨技术有限公司 | Battery welding structure |
| CN117123982A (en) * | 2023-10-26 | 2023-11-28 | 宁德时代新能源科技股份有限公司 | Clamp, welding equipment and clamp application method |
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2019
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112658567A (en) * | 2020-12-15 | 2021-04-16 | 大族激光科技产业集团股份有限公司 | Battery module plastic side welding positioning mechanism and assembly shaping device |
| CN113547263A (en) * | 2021-06-23 | 2021-10-26 | 广东利元亨智能装备股份有限公司 | Battery module welding and fixing device and fixing method |
| CN113510326A (en) * | 2021-09-09 | 2021-10-19 | 徐州马尔默激光技术有限公司 | Laser soldering robot |
| CN115084787A (en) * | 2022-06-30 | 2022-09-20 | 广东利元亨技术有限公司 | Battery welding structure |
| CN115084787B (en) * | 2022-06-30 | 2024-05-17 | 广东舜元激光科技有限公司 | Battery welding structure |
| CN117123982A (en) * | 2023-10-26 | 2023-11-28 | 宁德时代新能源科技股份有限公司 | Clamp, welding equipment and clamp application method |
| CN117123982B (en) * | 2023-10-26 | 2024-04-02 | 宁德时代新能源科技股份有限公司 | Clamp, welding equipment and clamp application method |
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