CN219684384U - Pre-spot welding device - Google Patents
Pre-spot welding device Download PDFInfo
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- CN219684384U CN219684384U CN202320093510.2U CN202320093510U CN219684384U CN 219684384 U CN219684384 U CN 219684384U CN 202320093510 U CN202320093510 U CN 202320093510U CN 219684384 U CN219684384 U CN 219684384U
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- 238000003466 welding Methods 0.000 title claims abstract description 135
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Abstract
The utility model relates to a pre-spot welding device, which comprises a pressing mechanism and a pre-spot welding mechanism, wherein the pressing mechanism comprises a short side pressing component, a long side pressing component and a large side pressing component, the short side pressing component is positioned at the short side of a battery and used for pressing a battery shell and a top cover from the short side position, the long side pressing component is positioned at the long side of the battery and used for pressing the battery shell and the top cover from the long side position, and the large side pressing component is positioned above the battery and used for pressing the large side of the battery from the upper part of the battery shell and the top cover from top to bottom; the pre-spot welding mechanism comprises a long-side pre-spot welding assembly and a short-side pre-spot welding assembly, the long-side pre-spot welding assembly is located above one long side of the battery and used for spot pressing of the long sides of the battery shell and the top cover, and the short-side pre-spot welding assembly is located on the short side of the battery and used for spot pressing of the short sides of the battery shell and the top cover. The pre-welding device performs spot pressing at the pre-welding position in a spot pressing mode, so that gaps at the pre-welding position can be pressed tightly, and light leakage is avoided.
Description
Technical Field
The utility model relates to the technical field of pre-spot welding, in particular to a pre-spot welding device.
Background
At present, the component of battery mainly includes electric core, casing and top cap, after earlier impressing the casing of being equipped with the electric core with the top cap during the assembly, then carry out the prespeckle between top cap and the casing, adopt face pressure structure to press into the casing with the electric core among the prior art more, it is because the uneven clearance that makes prespeckle department in pressure equipment in-process is too big, if the middle part position connection driving piece of face pressure structure, the effort that the driving piece applyed in face pressure structure is mainly concentrated in the middle part of face pressure structure promptly, face pressure structure's border department atress is less than the middle part position, battery limit position is not fully pressed, and then lead to welding in-process, insufficient hugging between casing and top cap and the electric core, the problem of light leak can appear.
Disclosure of Invention
The utility model provides a spot welding device which is used for carrying out spot pressing on a pre-welding position in a spot pressing mode and can compress gaps at the pre-welding position without light leakage.
In order to achieve the above object, the following technical solutions are adopted.
A pre-spot welding device comprises a pressing mechanism and a pre-spot welding mechanism, wherein,
the compressing mechanism comprises an edge compressing assembly and a large-surface compressing assembly, the edge compressing assembly is used for compressing the edge of the battery, and the large-surface compressing assembly is used for compressing the large surface of the battery;
the pre-spot welding mechanism comprises an edge pre-spot welding assembly, and the edge pre-spot welding assembly is used for spot-pressing the edge of the battery.
According to the technical scheme, through the arrangement of the pressing mechanism, the edge pressing component is used for pressing and positioning the edges of the battery, so that the edges of the shell or the top cover of the battery can be fully clung to the battery cells, the problem that the edges of the shell or the top cover of the battery cannot be fully clung to the battery cells due to insufficient extrusion force applied to the edges of the battery can be avoided, and the large-surface pressing component is used for pressing and positioning the large surface of the battery, so that the battery is pressed and positioned from the large surface of the battery and the edges of the battery, the omnibearing pressing and positioning of the battery is realized, the accurate positioning of the shell and the top cover of the battery is ensured, and the guarantee is provided for the follow-up pre-welding mechanism to press the battery; through the setting of spot pre-welding mechanism for press the battery border position, after battery border position point presses, carry out spot welding again, it presses at the spot welding position, can compress tightly the seam of prewelding department, ensures that the welding process does not leak light, has effectively solved among the prior art because of the face presses the structure with battery press-fit into the shell because of the uneven clearance that makes prewelding department of atress too big, leads to the problem that the light leak appears in the welding process.
Further, the side pressing assembly comprises a short side pressing assembly and a long side pressing assembly, wherein the short side pressing assembly is positioned at the short side of the battery and used for pressing the battery shell and the top cover from the short side position, and the long side pressing assembly is positioned at the long side of the battery and used for pressing the battery shell and the top cover from the long side position;
the side portion pre-spot welding assembly comprises a long side pre-spot welding assembly and a short side pre-spot welding assembly, the long side pre-spot welding assembly is located above one long side of the battery and used for pressing long sides of the battery shell and the top cover, and the short side pre-spot welding assembly is located on the short side of the battery and used for pressing short sides of the battery shell and the top cover.
According to the technical scheme, the side pressing assembly comprises the short side pressing assembly and the long side pressing assembly, the long side pressing assembly presses and positions the battery shell and the top cover from the long side of the battery shell and the top cover, the short side pressing assembly presses and positions the battery shell and the top cover from the short side of the battery shell and the top cover, the side pressing assembly is combined with the large side pressing assembly, the large side pressing assembly presses and positions the battery shell and the top cover from top to bottom, the long side, the short side and the top of the battery shell and the top cover are pressed and positioned, the battery shell and the top cover are pressed and positioned in all directions, the battery shell and the top cover are positioned accurately, and spot pressing of the battery shell and the top cover by a follow-up pre-welding mechanism is guaranteed; the long-side pre-spot welding assembly and the short-side pre-spot welding assembly are arranged in the side pre-spot welding assembly, the long-side pre-spot welding assembly presses the long sides of the battery shell and the top cover, the short-side pre-spot welding assembly presses the short sides of the battery shell and the top cover, spot welding is performed after the long sides and the short sides of the battery shell and the top cover are pressed, spot pressing is performed at the pre-welding position, gaps of the pre-welding positions can be pressed, light leakage is avoided in the welding process, and the problem that in the prior art, due to uneven stress, gaps of the pre-welding positions are too large when the battery is pressed into the shell by the surface pressing structure is solved.
Further, the short side compressing assembly comprises a first driving mechanism, a short side pushing plate and a short side reference plate, the short side pushing plate and the short side reference plate are respectively located on two sides of a short side of the battery, the outside of the short side pushing plate is connected with the first driving mechanism, and the first driving mechanism drives the short side pushing plate to push the battery shell and the top cover to the short side reference plate to compress and position the battery from the short side.
Among the above-mentioned technical scheme, the minor face datum plate is fixed setting, and the minor face push pedal is movable setting, promotes battery case and top cap to the minor face datum plate direction by first actuating mechanism drive minor face push pedal and removes to compressing tightly the location, realizes compressing tightly the location of battery case and the minor face direction of top cap, ensures battery case and top cap at the location accuracy of minor face direction, provides the guarantee for follow-up some effect of pressing.
Further, the long side compressing assembly comprises a second driving mechanism, a long side pushing plate and a long side datum plate, the long side pushing plate and the long side datum plate are respectively located on two sides of a long side of the battery, the outer portion of the long side pushing plate is connected with the second driving mechanism, and the second driving mechanism drives the long side pushing plate to push the battery shell and the top cover to the long side datum plate to compress and position the battery from the long side.
Among the above-mentioned technical scheme, the limit datum plate is fixed setting, and long limit push pedal is the activity setting, and by the long limit push pedal of second actuating mechanism drive promotion battery case and top cap to long limit datum plate direction remove to compress tightly the location, realize the location of compressing tightly of the long limit direction of battery case and top cap, ensure the location accuracy of battery case and top cap in the long limit direction, provide the guarantee for follow-up some effect of pressing.
Further, the large-surface compressing assembly comprises a third driving mechanism and a pressing plate, the pressing plate is connected with the driving end of the third driving mechanism, and the third driving mechanism drives the pressing plate to move from top to bottom to compress and position the large surface of the battery, so that the battery shell and the top cover are compressed and positioned.
In the above technical scheme, the setting of clamp plate is moved down by the drive of third actuating mechanism for to battery big face from top to bottom application of force carry out pressure equipment to battery big face, realize that battery case and top cap compress tightly the location in upper and lower direction, ensure battery case and top cap location accuracy in upper and lower direction, provide the guarantee for follow-up some press effect.
Further, the long-side pre-spot welding assembly comprises a fourth driving mechanism and a long-side spot pressing mechanism, one side of the long-side spot pressing mechanism is located above the long side to be spot pressed of the battery, the other side of the long-side spot pressing mechanism is connected with the fourth driving mechanism, and the fourth driving mechanism drives the long-side spot pressing mechanism to move downwards to spot press the long sides of the battery shell and the top cover.
In the technical scheme, the long side spot pressing mechanism is used for spot pressing the long sides of the battery shell and the top cover, so that the long side pre-welding position of the battery shell and the top cover is pressed tightly and does not leak light, and the subsequent welding quality is improved.
Further, an elastic mechanism is arranged between the long-side spot pressing mechanism and the fourth driving mechanism, the fourth driving mechanism is connected with the elastic mechanism through a pressing plate, and the other end of the elastic mechanism is connected with the long-side spot pressing mechanism.
According to the technical scheme, the elastic mechanism is arranged, so that the long-side spot pressing mechanism can perform spot pressing through self-adaptive adjusting force when performing spot pressing on the long sides of the battery shell and the top cover, spot pressing is performed at the pre-welding position through the self-adaptive adjusting force spot pressing mode, gaps at the pre-welding position can be ensured to be pressed, light leakage is avoided in the subsequent welding process, and guarantee is provided for improving welding quality.
Further, the elastic mechanism is a spring or an elastic column.
In the technical scheme, when the elastic mechanism is a spring, the long-side point pressing mechanism is movably connected with the pressing plate at the bottom of the fourth driving mechanism through the guide rod, at the moment, the spring is sleeved on the guide rod, and when the fourth driving mechanism pushes the long-side point pressing mechanism through the long-side point pressing pushing block, the spring can adaptively adjust the force on the guide rod; when the elastic mechanism is an elastic column, one end of the elastic column is connected with the long-side point pressing pushing block, the other end of the elastic column is connected with the long-side point pressing mechanism, and when the fourth driving mechanism pushes the long-side point pressing mechanism through the long-side point pressing pushing block, the elastic column can adjust the force in a self-adaptive mode.
Further, the two sides of the long-side point pressing mechanism are also provided with follow-up mechanisms, and the long-side point pressing mechanism is connected with the follow-up mechanisms on the two sides through a long-side point pressing bottom plate.
According to the technical scheme, the follow-up mechanism is arranged, in the large-surface pressing and long-side point pressing process, the pressing plate and the long-side point pressing mechanism can move up and down along the guide of the follow-up mechanism, so that the pressing plate and the long-side point pressing mechanism move more smoothly when ascending or descending, and the stress is more uniform.
Further, the short-side pre-spot welding assemblies are two groups, and the two groups of short-side pre-spot welding assemblies are respectively positioned outside the short sides of the two sides of the battery.
In the above technical scheme, setting of two sets of minor face spot welding subassembly in advance sets up respectively when the battery is located the both sides of minor face orientation, and the minor face spot welding subassembly starts, carries out the spot pressure to battery case and top cap from the both sides of battery minor face in step, after the spot pressure, makes the minor face seam in advance of battery case and top cap compress tightly, and then ensures follow-up welding process light leak free, provides the guarantee for improving welding quality.
Further, the short-side pre-spot welding assembly comprises a fifth driving mechanism and a short-side spot pressing mechanism, one side of the short-side mechanism is located outside a short side of the battery, the other side of the short-side mechanism is connected with the fifth driving mechanism, and the short-side spot pressing mechanism is driven by the fifth driving mechanism to press the short sides of the battery shell and the top cover.
In the technical scheme, the short side pressing mechanism is used for pressing the short sides of the battery shell and the top cover, so that the pre-welded parts of the short sides of the battery shell and the top cover are pressed tightly and do not leak light, and the subsequent welding quality is improved.
Compared with the prior art, the pre-spot welding device has the following beneficial effects:
the pre-spot welding device compresses and positions the battery shell and the top cover from the edges and the top parts of the long side, the short side and the like of the battery shell and the top cover through the compressing mechanism, so that the battery shell and the top cover are compressed and positioned in all directions, and the battery shell and the top cover are ensured to be positioned accurately; the long side and the short side of the battery shell and the top cover are subjected to spot pressing through the pre-spot welding mechanism, after being subjected to spot pressing, the long side and the short side of the battery shell and the top cover are subjected to spot welding, and the spot welding mechanism is used for carrying out spot pressing at the pre-welding position, so that gaps at the pre-welding position can be pressed, light leakage is avoided in the welding process, and the problem that the gaps at the pre-welding position are overlarge due to uneven stress when the battery is pressed into the shell due to the surface pressing structure in the prior art is effectively solved.
Drawings
FIG. 1 is a schematic view of a pre-spot welding apparatus according to the present utility model;
FIG. 2 is a schematic diagram of a pre-spot welding apparatus according to the present utility model;
FIG. 3 is a schematic view of a long side spot welding mechanism in the pre-spot welding device of the present utility model;
fig. 4 is a schematic view of the structure of the short side spot welding mechanism in the pre-spot welding apparatus of the present utility model.
Reference numerals illustrate:
a fixing frame 100; the pressing mechanism 200, the short-side pressing assembly 210, the first driving mechanism 211, the short-side push plate 212, the short-side reference plate 213, the long-side pressing assembly 220, the second driving mechanism 221, the long-side push plate 222, the long-side reference plate 223, the large-side pressing assembly 230, the third driving mechanism 231, the pressing plate 232, the follower mechanism 240, the guide rail 241, the guide block 242 and the sliding block 243; the spot welding machine comprises a spot welding mechanism 300, a long-side spot welding assembly 310, a fourth driving mechanism 311, a long-side spot pressing pushing block 3111, an elastic mechanism 312, a long-side spot pressing mechanism 313, a long-side spot pressing block 3131, a long-side spot pressing head 3132, a short-side spot welding assembly 320, a fifth driving mechanism 321, a short-side spot pressing mechanism 322 and a short-side spot pressing guide block 323.
Detailed Description
The pre-spot welding device and the baking device according to the present utility model will be described in further detail with reference to specific embodiments and drawings.
Referring to fig. 1 and 2, in a non-limiting embodiment of the present utility model, a pre-spot welding apparatus includes a fixing frame 100, a pressing mechanism 200, and a pre-spot welding mechanism 300, the pressing mechanism 200 and the pre-spot welding mechanism 300 are disposed on the fixing frame 100, wherein the pressing mechanism 200 includes a side pressing assembly for pressing a battery edge and a large-surface pressing assembly 230 for pressing a large surface of a battery, and in particular, the side pressing assembly includes a short-side pressing assembly 210 and a long-side pressing assembly 220, the short-side pressing assembly 210 is disposed at a short side of the battery for pressing the battery case and the top cover from a short-side position, the long-side pressing assembly 220 is disposed at a long side of the battery for pressing the battery case and the top cover from a long-side position, and the large-surface pressing assembly 230 is disposed above the battery for pressing the large surface of the battery from top of the battery case and the top cover from top down; the pre-spot welding mechanism 300 includes an edge pre-spot welding assembly for spot-pressing the edge of the battery, specifically, the edge pre-spot welding assembly includes a long-side pre-spot welding assembly 310 and a short-side pre-spot welding assembly 320, the long-side pre-spot welding assembly 310 is located above one long side of the battery for spot-pressing the long side of the battery case and the top cover, and the short-side pre-spot welding assembly 320 is located at the short side of the battery for spot-pressing the short sides of the battery case and the top cover. In the technical scheme, through the arrangement of the pressing mechanism 200, the long-side pressing assembly 220 presses and positions the battery shell and the top cover from the long sides of the battery shell and the top cover, the short-side pressing assembly 210 presses and positions the battery shell and the top cover from the short sides of the battery shell and the top cover, the large-side pressing assembly 230 presses and positions the battery shell and the top cover from the upper part of the battery shell and the top cover from top to bottom, and presses and positions the battery shell and the top cover from the long sides, the short sides and the top of the battery shell and the top cover, so that the battery shell and the top cover are pressed and positioned in an omnibearing manner, the battery shell and the top cover are ensured to be positioned accurately, and the follow-up pre-welding mechanism is used for pressing the battery shell and the top cover; through the setting of spot pre-welding mechanism 300, wherein long limit spot pre-welding subassembly 310 carries out the point to the long limit of battery case and top cap and presses, and the minor face spot pre-welding subassembly 320 carries out the point to the minor face of battery case and top cap, presses the long limit and the minor face of battery case and top cap by the point after, carries out spot welding again, and it presses in advance the welding position, can compress tightly the seam of prewelding department, ensures that the welding process does not leak light, has effectively solved among the prior art because of the face presses the structure with battery press-fit shell because of the uneven clearance that makes the prewelding department of atress too big, leads to the problem that the light leak appears in the welding process.
Referring to fig. 1 and 2, in a non-limiting embodiment of the present utility model, the short side compressing assembly 210 includes a first driving mechanism 211, a short side pushing plate 212 and a short side reference plate 213, the short side pushing plate 212 and the short side reference plate 213 are respectively located at two sides of a short side of the battery, the short side pushing plate 212 is connected to the first driving mechanism 211, the first driving mechanism 211 drives the short side pushing plate 212 to push the battery housing and the top cover to the short side reference plate 213 to compress and position the battery from the short side, specifically, in this embodiment, the first driving mechanism 211 is preferably an air cylinder, and the air cylinder is a common linear driving mechanism, which is mature in technology and low in cost, and of course, a screw module or other common driving mechanism may also be selected. In this technical scheme, minor face datum plate 213 is fixed setting, and minor face push pedal 212 is the activity setting, and by first actuating mechanism 211 drive minor face push pedal 212 promotion battery case and top cap to the minor face datum plate 213 direction remove to compress tightly the location, realize compressing tightly the location of battery case and top cap's minor face orientation, ensure battery case and top cap in the location accuracy of minor face orientation, provide the guarantee for follow-up some press effect.
Referring to fig. 1 and 2, in a non-limiting embodiment of the present utility model, the long-side compressing assembly 220 includes a second driving mechanism 221, a long-side pushing plate 222 and a long-side reference plate 223, where the long-side pushing plate 222 and the long-side reference plate 223 are respectively located at two sides of the long side of the battery, the outside of the long-side pushing plate 222 is connected with the second driving mechanism 221, the second driving mechanism 221 drives the long-side pushing plate 222 to push the battery housing and the top cover to the long-side reference plate 223 to compress and position the battery from the long side, specifically, in this embodiment, the second driving mechanism 221 is preferably an air cylinder, and the air cylinder is a common linear driving mechanism, which has mature technology and low cost, and of course, a screw module or other common driving mechanism may also be selected. In this technical scheme, the limit datum plate is fixed setting, and long limit push pedal 222 is the activity setting, and by second actuating mechanism 221 drive long limit push pedal 222 promotion battery case and top cap to long limit datum plate 223 direction remove to compress tightly the location, realize the location of compressing tightly of the long limit direction of battery case and top cap, ensure the location accuracy of battery case and top cap in the long limit direction, provide the guarantee for follow-up some press effect.
Referring to fig. 1 and 2, in a non-limiting embodiment of the present utility model, the large-area compressing assembly 230 includes a third driving mechanism 231 and a pressing plate 232, the pressing plate 232 is connected to the driving end of the third driving mechanism 231, the third driving mechanism 231 drives the pressing plate 232 to move from top to bottom to press-mount the large area of the battery, and the battery housing and the top cover are compressed and positioned, specifically, in this embodiment, the third driving mechanism 231 is preferably an air cylinder, and the air cylinder is a common linear driving mechanism, which is mature in technology and low in cost, and of course, a screw mandrel module or other common driving mechanism may also be selected. In this technical scheme, the setting of clamp plate 232 is moved down by the drive of third actuating mechanism 231 for to battery big face from top to bottom application of force carry out pressure equipment to battery big face, realize that battery case and top cap compress tightly the location in upper and lower direction, ensure battery case and top cap location accuracy in upper and lower direction, provide the guarantee for follow-up some press effect.
Referring to fig. 1 and 2, in a non-limiting embodiment of the present utility model, the long-side pre-spot welding assembly 310 includes a fourth driving mechanism 311 and a long-side spot pressing mechanism 313, one side of the long-side spot pressing mechanism 313 is located above the long side to be spot pressed of the battery, the other side is connected with the fourth driving mechanism 311, and the fourth driving mechanism 311 drives the long-side spot pressing mechanism 313 to move down to spot press the long side of the battery housing and the top cover, specifically, in this embodiment, the fourth driving mechanism 311 is preferably an air cylinder, and the air cylinder is a common linear driving mechanism, which is mature in technology and low in cost, and of course, a screw rod module or other common driving mechanism may also be selected. In the technical scheme, the long side spot pressing mechanism 313 is adopted to spot press the long sides of the battery shell and the top cover, so that the long side pre-welding position of the battery shell and the top cover is pressed tightly and does not leak light, and the subsequent welding quality is improved. In this embodiment, the long-side pressing mechanism 313 is a long-side pressing block 3131, the long-side pressing block 3131 is connected with the pressing plate 232, a long-side pressing head 3132 penetrating out of the pressing plate 232 is arranged at the lower part of the long-side pressing block 3131, and the long-side pressing head 3132 is used for contacting with the battery case and the top cover to perform long-side pressing of the battery case and the top cover.
Referring to fig. 1 and 2, in a non-limiting embodiment of the present utility model, an elastic mechanism 312 is disposed between the long-side pressing mechanism 313 and the fourth driving mechanism 311, the fourth driving mechanism 311 is connected to the elastic mechanism 312 through the pressing plate 232, and the other end of the elastic mechanism 312 is connected to the long-side pressing mechanism 313. In this technical scheme, the setting of elastic mechanism 312 makes long limit point press the mechanism 313 when pressing the long limit of battery case and top cap, can carry out the point through the self-adaptation regulation dynamics to press through elastic mechanism 312, presses the mode through self-adaptation regulation dynamics point and presses in the position of prewelding, can ensure to compress tightly prewelding department gap, makes follow-up welding process light leak not, provides the guarantee for improving welding quality.
Referring to fig. 1 and 2, in a non-limiting embodiment of the utility model, the elastic mechanism 312 is a spring or an elastic column. In the technical scheme, when the elastic mechanism 312 is a spring, the long-side point pressing mechanism 313 is movably connected with the pressing plate 232 at the bottom of the fourth driving mechanism 311 through a guide rod, at this time, the spring is sleeved on the guide rod, and when the fourth driving mechanism 311 pushes the long-side point pressing mechanism 313 through the long-side point pressing pushing block 3111, the force of the spring can be adaptively adjusted on the guide rod; when the elastic mechanism 312 is an elastic column, one end of the elastic column is connected with the long-side point pressing pushing block 3111, the other end of the elastic column is connected with the long-side point pressing mechanism 313, and when the fourth driving mechanism 311 pushes the long-side point pressing mechanism 313 through the long-side point pressing pushing block 3111, the elastic column can adjust the force in a self-adaptive manner.
Referring to fig. 1 to 3, in a non-limiting embodiment of the present utility model, two sides of the long-side spot pressing mechanism 313 are further provided with follower mechanisms 240, and the long-side spot pressing mechanism 313 is connected to the follower mechanisms 240 on two sides through a long-side spot pressing base plate. In this technical scheme, the setting of follower 240 compresses tightly and long limit point presses the in-process at the large face, and clamp plate 232 and long limit point press mechanism 313 can follow follower 240 direction and reciprocate, and then make clamp plate 232 and long limit point press mechanism 313 rise or act more smoothly when descending, the atress is more even. In this embodiment, the follower 240 includes a guide block 242 and a guide rail 241, the guide rail 241 is fixedly disposed, the guide block 242 is slidably connected with the guide rail 241 through a slider 243, the lower portion of the guide block 242 is connected with the pressing plate 232, when the pressing plate 232 moves down, the pressing plate 232 moves along the direction of the guide rail 241 on the follower 240, so that the stability of the downward movement of the pressing plate 232 is good, the press-fitting force on the battery case and the top cover is uniform, the gap of the pre-welded part is pressed, and the light leakage in the subsequent welding process is ensured.
Referring to fig. 1, 2 and 4, according to a non-limiting embodiment of the present utility model, the short-side pre-spot welding assemblies 320 are arranged in two groups, and the two groups of short-side pre-spot welding assemblies 320 are respectively positioned outside the short sides of the two sides of the battery. In this technical scheme, the setting of two sets of minor face spot welding subassembly 320 in advance sets up respectively when the battery is located the both sides of minor face orientation, and minor face spot welding subassembly 320 starts, carries out the point to battery case and top cap from the both sides of battery minor face in step and presses, and after the point was pressed, makes the minor face seam in advance of battery case and top cap weld the department gap and compresses tightly, and then ensures follow-up welding process light leak free, provides the guarantee for improving welding quality.
Referring to fig. 1, 2 and 4, in a non-limiting embodiment of the present utility model, the short-side pre-spot welding assembly 320 includes a fifth driving mechanism 321 and a short-side pressing mechanism 322, one side of the short-side mechanism is located outside a short side of the battery, the other side of the short-side mechanism is connected to the fifth driving mechanism 321, and the fifth driving mechanism 321 drives the short-side pressing mechanism 322 to press the short sides of the battery case and the top cover, specifically, in this embodiment, the fifth driving mechanism 321 is preferably an air cylinder, and the air cylinder is a common linear driving mechanism, which is mature in technology and low in cost, and of course, a screw module or other common driving mechanism may also be selected. In this technical scheme, adopt short side point press mechanism 322 to carry out the point to the minor face of battery case and top cap and press, specifically, short side point press mechanism 322 is the preferred short side point pressure head, the drive end lateral part of fifth actuating mechanism 321 is equipped with the short side point and presses guide block 323, the point that the point pressed the end of short side point pressure head stretches out short side point and presses guide block 323 and can follow the short side point and press guide block 323 and remove the minor face of battery case and top cap under the drive of fifth actuating mechanism 321, carries out synchronous point to battery case and top cap from the both sides of battery minor face and presses, makes the minor face prewelding department of battery case and top cap compress tightly the light leak, improves follow-up welding quality.
In the description of the present utility model, it should be understood that the terms such as "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
The foregoing examples are merely exemplary embodiments of the present utility model, which are described in more detail and are not to be construed as limiting the scope of the utility model. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the spirit of the utility model, and that these obvious alternatives fall within the scope of the utility model.
Claims (10)
1. A pre-spot welding device, characterized in that: comprises a pressing mechanism and a pre-spot welding mechanism, wherein,
the compressing mechanism comprises an edge compressing assembly and a large-surface compressing assembly, the edge compressing assembly is used for compressing the edge of the battery, and the large-surface compressing assembly is used for compressing the large surface of the battery;
the pre-spot welding mechanism comprises an edge pre-spot welding assembly, and the edge pre-spot welding assembly is used for spot-pressing the edge of the battery.
2. The spot pre-welding apparatus according to claim 1, wherein the side pressing assembly includes a short side pressing assembly located at a short side of the battery for pressing the battery case and the top cover from a short side position, and a long side pressing assembly located at a long side of the battery for pressing the battery case and the top cover from a long side position;
the side portion pre-spot welding assembly comprises a long side pre-spot welding assembly and a short side pre-spot welding assembly, the long side pre-spot welding assembly is located above one long side of the battery and used for pressing long sides of the battery shell and the top cover, and the short side pre-spot welding assembly is located on the short side of the battery and used for pressing short sides of the battery shell and the top cover.
3. The spot pre-welding apparatus according to claim 2, wherein the short side pressing assembly comprises a first driving mechanism, a short side pushing plate and a short side reference plate, the short side pushing plate and the short side reference plate are respectively located on two sides of a short side of the battery, the outer portion of the short side pushing plate is connected with the first driving mechanism, and the first driving mechanism drives the short side pushing plate to push the battery shell and the top cover to the short side reference plate to press and position the battery from the short side.
4. The spot pre-welding device according to claim 2, wherein the long-side pressing assembly comprises a second driving mechanism, a long-side pushing plate and a long-side reference plate, the long-side pushing plate and the long-side reference plate are respectively located on two sides of a long side of the battery, the outer portion of the long-side pushing plate is connected with the second driving mechanism, and the second driving mechanism drives the long-side pushing plate to push the battery shell and the top cover to the long-side reference plate to press and position the battery from the long side.
5. The spot pre-welding device according to claim 1, wherein the large-surface compressing assembly comprises a third driving mechanism and a pressing plate, the pressing plate is connected with a driving end of the third driving mechanism, and the third driving mechanism drives the pressing plate to move from top to bottom to compress and mount a large surface of the battery, so that the battery shell and the top cover are compressed and positioned.
6. The spot pre-welding device according to claim 2, wherein the long-side spot pre-welding assembly comprises a fourth driving mechanism and a long-side spot pressing mechanism, one side of the long-side spot pressing mechanism is located above a long side to be spot pressed of the battery, the other side of the long-side spot pressing mechanism is connected with the fourth driving mechanism, and the fourth driving mechanism drives the long-side spot pressing mechanism to move downwards to spot and press the long sides of the battery shell and the top cover.
7. The spot pre-welding apparatus according to claim 6, wherein an elastic mechanism is provided between the long-side spot pressing mechanism and the fourth driving mechanism, the fourth driving mechanism is connected to the elastic mechanism through a pressing plate, and the other end of the elastic mechanism is connected to the long-side spot pressing mechanism.
8. The spot pre-welding apparatus according to claim 6, wherein the long-side spot pressing mechanism is further provided with a follower mechanism on both sides, and the long-side spot pressing mechanism is connected with the follower mechanisms on both sides through the long-side spot pressing base plate.
9. The pre-spot welding device according to claim 2, wherein the short-side pre-spot welding assemblies are two groups, and the two groups of short-side pre-spot welding assemblies are respectively positioned outside the short sides of the two sides of the battery.
10. The spot pre-welding apparatus according to claim 9, wherein the short-side spot pre-welding assembly includes a fifth driving mechanism and a short-side spot-pressing mechanism, one side of the short-side mechanism is located outside a short side of the battery, and the other side is connected to the fifth driving mechanism, and the fifth driving mechanism drives the short-side spot-pressing mechanism to spot-press the short sides of the battery case and the top cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320093510.2U CN219684384U (en) | 2023-01-31 | 2023-01-31 | Pre-spot welding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320093510.2U CN219684384U (en) | 2023-01-31 | 2023-01-31 | Pre-spot welding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219684384U true CN219684384U (en) | 2023-09-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320093510.2U Active CN219684384U (en) | 2023-01-31 | 2023-01-31 | Pre-spot welding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219684384U (en) |
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2023
- 2023-01-31 CN CN202320093510.2U patent/CN219684384U/en active Active
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