CN217965626U - Lithium battery cell pack welding device - Google Patents

Lithium battery cell pack welding device Download PDF

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Publication number
CN217965626U
CN217965626U CN202222357578.5U CN202222357578U CN217965626U CN 217965626 U CN217965626 U CN 217965626U CN 202222357578 U CN202222357578 U CN 202222357578U CN 217965626 U CN217965626 U CN 217965626U
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China
Prior art keywords
frame
shaped
lithium battery
lifting arm
welding
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CN202222357578.5U
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Chinese (zh)
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王尉
苗振
赵永辉
黄见博
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Anhui Guoxuan Xianglu Technology Co ltd
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Anhui Guoxuan Xianglu Technology Co ltd
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Abstract

The utility model discloses a lithium battery shell group welding device, which comprises a battery shell group positioning tool; the battery pack positioning tool comprises an inner welding frame, wherein the front side and the rear side in the inner welding frame are respectively assembled and connected with clamping mechanisms which are matched with each other; the clamping mechanism comprises a plurality of U-shaped material clamping plates which are integrally formed through bridge plates; the clamping mechanism also comprises a pushing cylinder which is assembled and connected at the outer side wall part of the U-shaped clamping plate; the device also comprises a lifting arm mechanism matched with the battery case group positioning tool; the lifting arm mechanism comprises a frame-shaped lifting arm arranged below the clamping mechanism, and the bottom of the frame-shaped lifting arm is assembled and connected with a lifting cylinder; the frame-shaped lifting arm is in threaded connection with a plurality of cross-brace screw rods. By adopting the device, the design of parts not only realizes the integration of lifting, clamping and positioning in the production and processing process of the shell of the lithium battery and the hot blanking in the processing process of the lithium battery, and effectively improves the processing and production efficiency.

Description

Lithium battery cell pack welding device
Technical Field
The utility model belongs to the technical field of lithium battery cell group processing, especially, relate to a lithium battery cell group welding set.
Background
The lithium battery is a new energy battery and has wider application in industry and living application. Specifically, as a clean energy battery, a lithium battery is mostly used for new energy automobiles, energy conservation and environmental protection are realized through the lithium battery, and various problems such as greenhouse effect and air pollution generated by fuel automobiles are solved.
In the process of producing the lithium battery for the new energy automobile, the mounting shell of the lithium battery is required to be welded frequently, specifically, the lithium battery is mounted in the adaptive shell, and is mounted on a vehicle-mounted battery rack after a battery pack is formed.
Therefore, the casing of the lithium battery is an essential functional component of the battery pack, and an auxiliary mounting structure, such as a mounting scaffold, needs to be welded on the casing during the production process, so that the casing of the battery needs to be clamped, positioned and welded during the processing process.
However, the welding device disclosed in the prior art does not have an adaptive shell positioning mechanism, so that the shell is easy to loosen during the process of welding the shell. In order to keep the steadiness, manual assistance or positioning by means of a simple positioning tool is mostly adopted, however, the mode still has low welding efficiency (embodied in the feeding, positioning and blanking modes), and after welding, the temperature of the shell is high, and the hands of operators are often scalded in the blanking process.
SUMMERY OF THE UTILITY MODEL
Based on the above background, the utility model aims at providing a lithium cell battery case group welding set.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a welding device for a lithium battery shell group comprises a battery shell group positioning tool;
the battery case group positioning tool comprises an inner welding frame, wherein the front side and the rear side in the inner welding frame are respectively assembled and connected with a clamping mechanism which is matched with each other;
the clamping mechanism comprises a plurality of U-shaped material clamping plates which are integrally formed through bridge plates;
the clamping mechanism further comprises a pushing cylinder which is assembled and connected to the outer side wall of the U-shaped clamping plate;
the lithium battery shell group welding device also comprises a lifting arm mechanism matched with the battery shell group positioning tool;
the lifting arm mechanism comprises a frame-shaped lifting arm arranged below the clamping mechanism, and the bottom of the frame-shaped lifting arm is assembled and connected with a lifting cylinder;
and the frame-shaped lifting arm is in threaded connection with a plurality of cross-brace screw rods.
Preferably, the U-shaped material clamping plate comprises end wall plate portions arranged at intervals up and down, the inner ends of the end wall plate portions are integrally formed with vertical plate portions, and the bridge plate is integrally formed on the adjacent vertical plate portions.
Preferably, the left end and the right end of the clamping mechanism are respectively connected in a sliding manner through a sliding mechanism.
Preferably, the sliding mechanism comprises a sliding guide rod fixedly connected between the front inner side wall and the rear inner side wall of the inner welding frame, and a sliding seat body connected to the sliding guide rod in a sliding manner is fixedly connected to the U-shaped material clamping plate.
Preferably, a U-shaped seat is fixedly connected between the inner welding frames, and the frame-shaped lifting arm is assembled at the central part of the U-shaped seat.
Preferably, the transverse section of the frame-shaped lifting arm is rectangular, and a rectangular weight-reducing through hole is formed in the frame-shaped lifting arm;
the front end and the rear end of the frame-shaped lifting arm are respectively and fixedly connected with a sliding rod body which is connected with the U-shaped seat in a sliding manner;
an upper top seat is fixedly connected between the bottoms of the slide bar bodies;
and a piston rod of the lifting cylinder is fixedly assembled at the central part of the bottom of the upper top seat.
Preferably, the bottom of the cylinder barrel of the lifting cylinder is fixedly connected with a base mounting plate, and the base mounting plate is fixedly connected with the bottom of the U-shaped seat through a connecting column.
Preferably, the welding device for the lithium battery shell group further comprises an outer welding frame arranged on the outer side of the inner welding frame, the front side wall and the rear side wall of the U-shaped seat are respectively and fixedly connected with a rotating shaft, and the rotating shafts are rotatably connected to the outer welding frame;
and the rotating shaft at one side part is assembled and connected with a driving motor.
Preferably, the front side wall and the rear side wall of the outer welding frame are respectively and fixedly connected with two mounting rods which are arranged at left and right intervals;
the mounting rod is provided with two mounting ring seats which are arranged at an upper and lower interval in an assembling manner, and the mounting ring seats are in threaded connection with a plurality of assembling bolts.
The utility model discloses following beneficial effect has:
the utility model discloses a lithium battery cell group welding set has following advantage:
1. the design of the device components not only realizes the full clamping and positioning of the shell of the lithium battery during the production and processing process of the shell of the lithium battery, but also facilitates the welding;
2. the design of the parts of the device realizes the integration of lifting, clamping and positioning in the lithium battery processing process and hot blanking, and effectively improves the processing production efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic overall structure diagram in an embodiment of the present invention;
fig. 2 is a schematic structural view of a lift arm mechanism according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of an inner welding frame according to an embodiment of the present invention;
fig. 4 is a structural schematic diagram of the position relationship between the U-shaped material clamping plates in the embodiment of the present invention;
fig. 5 is a top view of the embodiment of the present invention shown in fig. 1.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front, and rear … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
As shown in fig. 1-5, a welding device for a lithium battery shell assembly comprises a battery shell assembly positioning tool; the battery shells of the multiple lithium batteries are positioned through the battery shell group positioning tool.
The battery case group positioning tool comprises an inner welding frame 3 (rectangular steel frame), wherein the front side and the rear side in the inner welding frame 3 are respectively and fixedly connected with a clamping mechanism 2 which are matched with each other. Realize the casing location through fixture 2, concrete mode is:
the clamping mechanism 2 comprises a plurality of U-shaped clamping plates (the U-shaped clamping plates are in a shape that the U-shaped clamping plates comprise end wall plate parts 22 which are arranged at intervals up and down, the inner ends of the end wall plate parts 22 are integrally formed with vertical plate parts 21, and the U-shaped clamping plates are integrally formed through bridge plates 23 (the bridge plates 23 are integrally formed on the adjacent vertical plate parts).
The clamping mechanism 2 further comprises a pushing cylinder 24 which is assembled and connected to the central part of the outer side wall of the U-shaped material clamping plate; specifically, the piston rod of the push cylinder 24 is fixedly fitted to the center portion of the bridge plate located at the middle portion.
Meanwhile, the left end and the right end of the clamping mechanism 2 are respectively connected in a sliding manner through a sliding mechanism.
The specific mode is as follows:
the sliding mechanism comprises a sliding guide rod 31 fixedly connected between the front inner side wall and the rear inner side wall of the inner welding frame 3, and a sliding seat body connected to the sliding guide rod 31 in a sliding mode is fixedly connected to the U-shaped material clamping plate.
The welding device for the lithium battery shell group also comprises a lifting arm mechanism matched with the battery shell group positioning tool;
the lifting arm mechanism comprises a frame-shaped lifting arm 61 arranged below the clamping mechanism 2 (the transverse section of the frame-shaped lifting arm 61 is rectangular, a rectangular weight-reducing through hole is formed in the frame-shaped lifting arm 61), and a lifting cylinder 63 is assembled and connected to the bottom of the frame-shaped lifting arm 61.
The concrete mode is as follows: the U-shaped seat 4 is fixedly connected between the inner welding frames 3, and the frame-shaped lifting arm 61 is assembled at the central part of the U-shaped seat 4. The front end and the rear end of the frame-shaped lifting arm 61 are respectively and fixedly connected with a sliding rod body which is connected with the U-shaped seat 4 in a sliding manner; an upper top seat is fixedly connected between the bottoms of the slide bar bodies; the piston rod of the lifting cylinder 63 is fixedly assembled at the central part of the bottom of the upper top seat.
Meanwhile, the frame-shaped lifting arm 61 is threadedly connected with a plurality of cross-brace screws 62 (the front and rear ends of the cross-brace screws 62 protrude out of the frame-shaped lifting arm 61).
The bottom of the cylinder barrel of the lifting cylinder 63 is fixedly connected with a base mounting plate 65, and the base mounting plate 65 is fixedly connected with the bottom of the U-shaped seat 4 through a connecting column.
The processed battery case is placed on the frame-shaped lifting arm 61, and at this time, the operator opens the lifting cylinder 63, and the lifting cylinder 63 jacks up the frame-shaped lifting arm 61. In the charging process, the extending position of the cross-brace screw 62 is properly adjusted according to the gravity center position of the battery shell, so that the battery shell is sufficiently supported.
The welding device for the lithium battery shell group further comprises an outer welding frame 1 arranged on the outer side of the inner welding frame 3, wherein the front side wall and the rear side wall of the U-shaped seat 4 are respectively and fixedly connected with a rotating shaft, and the rotating shafts are rotatably connected to the outer welding frame 1; and the rotating shaft at one side part is assembled and connected with a driving motor 5.
Two mounting rods 11 which are arranged at left and right intervals are respectively fixedly connected to the front side wall and the rear side wall of the outer welding frame 1; the mounting rod 11 is provided with two mounting ring seats 12 which are arranged at an upper interval and a lower interval, and the mounting ring seats 12 are connected with a plurality of mounting bolts through threads.
The mounting of the entire device on the table is accomplished in the conventional manner using mounting ring mounts 12-mounting bolts.
In the working process, the processed battery cases are discharged on the frame-shaped lifting arm 61, at the moment, the lifting cylinder 63 is opened by an operator, the frame-shaped lifting arm 61 is jacked up by the lifting cylinder 63, at the moment, the pushing cylinder 24 is opened, and under the action of the pushing cylinder 24, the U-shaped material clamping plates clamp and position the plurality of battery cases with certain weight, so that the welding of the operator is facilitated.
In the welding process, the driving motor 5 is started (a forward and reverse rotating motor is adopted, and the motor is fixed on the workbench according to the conventional mode), the driving motor 5 drives and adjusts the U-shaped material clamping plate to carry the battery shell to have a proper adjusting angle, and welding is facilitated. After welding, the lifting cylinder 63 is driven to carry the material to automatically descend, so that material returning is realized.
Adopt above-mentioned device part design not only to realize carrying out abundant centre gripping location, convenient welding with the casing of production and processing lithium cell in the casing production and processing process of lithium cell, and above-mentioned device part design realizes lifting material, centre gripping, location, takes the integration of hot unloading to the lithium cell course of working, has effectively improved processing production efficiency.
Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and the changes, modifications, additions or substitutions made by those skilled in the art within the scope of the present invention should also belong to the protection scope of the present invention.

Claims (9)

1. A welding device for a lithium battery shell group is characterized by comprising a battery shell group positioning tool;
the battery case group positioning tool comprises an inner welding frame, wherein the front side and the rear side in the inner welding frame are respectively assembled and connected with clamping mechanisms which are matched with each other;
the clamping mechanism comprises a plurality of U-shaped material clamping plates which are integrally formed through bridge plates;
the clamping mechanism further comprises a pushing cylinder which is assembled and connected to the outer side wall of the U-shaped clamping plate;
the lithium battery shell group welding device also comprises a lifting arm mechanism matched with the battery shell group positioning tool;
the lifting arm mechanism comprises a frame-shaped lifting arm arranged below the clamping mechanism, and the bottom of the frame-shaped lifting arm is assembled and connected with a lifting cylinder;
and the frame-shaped lifting arm is in threaded connection with a plurality of cross-brace screw rods.
2. The welding device for the lithium battery cell pack as claimed in claim 1, wherein the U-shaped clip plates comprise end wall plate portions spaced apart from each other in the up-down direction, the inner ends of the end wall plate portions are integrally formed with the vertical plate portions, and the bridge plates are integrally formed on the adjacent vertical plate portions.
3. The lithium battery cell pack welding device of claim 1, wherein the left and right ends of the clamping mechanism are slidably connected by a sliding mechanism, respectively.
4. The lithium battery cell pack welding device of claim 3, wherein the sliding mechanism comprises a sliding guide rod fixedly connected between the front inner side wall and the rear inner side wall of the inner welding frame, and a sliding seat body slidably connected to the sliding guide rod is fixedly connected to the U-shaped material clamping plate.
5. The lithium battery pack welding device of claim 1, wherein a U-shaped seat is fixedly connected between the inner welding frames, and the frame-shaped lifting arm is assembled at a central portion of the U-shaped seat.
6. The welding device for the lithium battery cell pack of claim 5, wherein the transverse section of the frame-shaped lifting arm is rectangular, and a rectangular weight-reducing through hole is formed in the frame-shaped lifting arm;
the front end and the rear end of the frame-shaped lifting arm are respectively and fixedly connected with a sliding rod body which is connected with the U-shaped seat in a sliding manner;
an upper top seat is fixedly connected between the bottoms of the slide bar bodies;
and a piston rod of the lifting cylinder is fixedly assembled at the central part of the bottom of the upper top seat.
7. The welding device for the lithium battery pack shell assembly as claimed in claim 6, wherein a base mounting plate is fixedly connected to the bottom of the cylinder barrel of the lifting cylinder, and the base mounting plate is fixedly connected to the bottom of the U-shaped seat through a connecting column.
8. The welding device for the lithium battery cell pack as claimed in claim 6, further comprising an outer welding frame arranged outside the inner welding frame, wherein the front and rear side walls of the U-shaped seat are respectively and fixedly connected with a rotating shaft, and the rotating shaft is rotatably connected to the outer welding frame;
and the rotating shaft at one side part is assembled and connected with a driving motor.
9. The welding device for the lithium battery cell pack as recited in claim 8, wherein two mounting rods are fixedly connected to the front and rear side walls of the outer welding frame at intervals left and right;
the mounting rod is provided with two mounting ring seats which are arranged at intervals up and down in an assembling mode, and the mounting ring seats are connected with a plurality of assembling bolts in a threaded mode.
CN202222357578.5U 2022-09-05 2022-09-05 Lithium battery cell pack welding device Active CN217965626U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222357578.5U CN217965626U (en) 2022-09-05 2022-09-05 Lithium battery cell pack welding device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222357578.5U CN217965626U (en) 2022-09-05 2022-09-05 Lithium battery cell pack welding device

Publications (1)

Publication Number Publication Date
CN217965626U true CN217965626U (en) 2022-12-06

Family

ID=84261261

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222357578.5U Active CN217965626U (en) 2022-09-05 2022-09-05 Lithium battery cell pack welding device

Country Status (1)

Country Link
CN (1) CN217965626U (en)

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