A welding device for new energy automobile battery shell

Abstract

The present application relates to the technical field of new energy automobile battery processing, and discloses a welding equipment for a new energy automobile battery shell, which comprises a welding table, welding assemblies, reversing assemblies and gas injection assemblies are respectively installed on the welding table, first X-direction guide rails and second X-direction guide rails are respectively arranged on the welding table, and clamping and conveying assemblies and inspection and conveying assemblies are respectively installed and guided by the first X-direction guide rails and the second X-direction guide rails, compared with the prior art, the welding efficiency and quality are significantly improved by integrating automation, accurate welding, real-time detection and adjustment functions, and higher precision and reliability can be achieved in the welding of the new energy automobile battery shell.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of new energy automobile battery processing, and particularly to a welding device for a new energy automobile battery shell. BACKGROUND

[0002] The production of a new energy automobile battery includes the production of a battery body and a battery shell, and in the case of sufficient electric energy of an electric automobile, sufficient space is needed to accommodate sufficient battery cells, so the production and manufacturing of the battery shell is crucial.

[0003] The production of the battery shell is mostly produced separately, and finally assembled together by welding to form a box-shaped battery shell, but the welding effect cannot be detected in time during the welding process, and needs to be transferred to a special detection line for detection, and after the problem is found, it is re-transferred to the welding line for repair welding, which is low in efficiency. SUMMARY

[0004] The purpose of the present application is to provide a welding device for a new energy automobile battery shell, which aims to solve the problem that the existing new energy automobile battery shell welding process cannot timely detect the welding effect.

[0005] The present application is realized in this way, a welding device for a new energy automobile battery shell, comprising a welding table, the welding table is respectively provided with a welding assembly, a reversing assembly and a gas injection assembly, the welding table is also respectively provided with a first X-direction guide rail and a second X-direction guide rail, and a clamping and conveying assembly and an inspection and conveying assembly are respectively installed through the first X-direction guide rail and the second X-direction guide rail;

[0006] The welding assembly comprises a welding head movable along X, Y and Z directions, the welding head is used for welding the battery shell, and the battery shell is reciprocally conveyed through the clamping and conveying assembly and the inspection and conveying assembly, and the reversing assembly is used for reversing operation of the battery shell;

[0007] The gas injection assembly is used for injecting hot air into a pressure relief hole of the battery shell, and the inspection and conveying assembly further comprises an infrared thermal imaging probe for detecting the battery shell.

[0008] Preferably, the welding assembly further comprises an X-direction guide frame, a Y-direction guide frame is installed on the X-direction guide frame, and a Z-direction telescopic machine is installed on the Y-direction guide frame, a mounting bracket is installed on the telescopic part of the Z-direction telescopic machine, and the welding head is fixed through the mounting bracket.

[0009] Preferably, the clamping and conveying assembly comprises a first supporting plate, a clamping motor is installed at the end of the first supporting plate, and a clamping rod is connected to the output shaft of the clamping motor and placed in the first supporting plate;

[0010] The two ends of the clamping rod are respectively provided with a forward thread and a reverse thread, and two clamping plates are connected through the forward thread and the reverse thread.

[0011] Preferably, the pinch roll assembly further comprises a light-absorbing sheet, and the light-absorbing sheet is made of a black matte coating plate.

[0012] Preferably, the reversing assembly comprises a jacking telescopic machine and a steering motor, and further comprises a rotating disc connected to the welding table through a bearing, and the steering motor drives the rotating disc to rotate through a belt.

[0013] A jacking frame is arranged through the rotating disc, the jacking frame is arranged in a cross shape, and the bottom of the jacking frame is connected to the rotating shaft of the telescopic part of the jacking telescopic machine.

[0014] Preferably, the gas injection assembly comprises a lifting telescopic machine installed at the end of the welding table, the telescopic part of the lifting telescopic machine is connected with a support, the end of the support is installed with a rotating motor, and a horizontal telescopic machine is connected to the output shaft of the rotating motor.

[0015] The telescopic part of the horizontal telescopic machine is installed with a mounting bracket, and a gas injection head is installed through the mounting bracket, and a high-pressure heat pump machine for injecting gas into the gas injection head is further installed on the support.

[0016] Preferably, the mounting bracket is further installed with a clamping telescopic machine, and the telescopic part of the clamping telescopic machine is connected with a clamping piece.

[0017] Preferably, the detection and conveying assembly comprises a second support plate, a guide groove is arranged in the second support plate, a detection device and a conveying motor are installed at the two ends of the second support plate respectively, and the conveying motor drives a belt arranged in the guide groove.

[0018] A guide block is installed in the guide groove through the belt, and the infrared thermal imaging probe is installed through the guide block.

[0019] Preferably, the detection device comprises a power supply and a PLC, and the electrical connection of each component is realized through PLC programming.

[0020] The welding equipment for the new energy automobile battery shell has the following advantages:

[0021] 1. Through the movable welding head in the welding assembly, the accurate conveying of the pinch roll assembly and the detection and conveying assembly, the omnibearing accurate welding of the battery shell can be realized. In addition, the reversing operation of the reversing assembly can flexibly adjust the direction of the battery shell, meet different welding requirements, the bidirectional synchronous clamping plate driving of the clamping motor and the clamping rod of the pinch roll assembly can efficiently realize the center positioning of the battery shell, and the accurate butt joint in the welding process is guaranteed.

[0022] 2, the gas injection assembly can inject high pressure hot air to the pressure relief hole of the battery shell, combined with the infrared thermal imaging probe, whether the shell welding place exists hot air leakage can be detected in real time, the pinch sending assembly is equipped with light absorbing sheet, can enhance the detection sensitivity of the infrared thermal imaging probe to the leakage, the sensitivity and accuracy of the leakage detection are improved.

[0023] Compared with the prior art, the welding efficiency and quality are significantly improved by integrating automation, precise welding, real-time detection and adjustment functions, especially in the welding of new energy automobile battery shell, higher precision and reliability can be achieved. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 is a welding equipment schematic diagram for a new energy automobile battery shell provided by an embodiment of the application;

[0025] Figure 2 is a welding equipment schematic diagram for a new energy automobile battery shell provided by an embodiment of the application Figure 1 is a local enlarged structure schematic diagram of A in the welding equipment schematic diagram for a new energy automobile battery shell provided by an embodiment of the application;

[0026] Figure 3 is a top view structure schematic diagram of a welding equipment for a new energy automobile battery shell provided by an embodiment of the application;

[0027] Figure 4 is a bottom view structure schematic diagram of a welding equipment for a new energy automobile battery shell provided by an embodiment of the application;

[0028] Figure 5 is a local enlarged structure schematic diagram of B in the welding equipment schematic diagram for a new energy automobile battery shell provided by an embodiment of the application. Figure 4 MARK DESCRIPTION:

[0029]

[0030] 1, welding table; 2, welding assembly; 3, pinch sending assembly; 4, reversing assembly; 5, gas injection assembly; 6, detection sending assembly;

[0031] 11, first X direction guide rail; 12, second X direction guide rail;

[0032] 21, X direction guide frame; 22, Y direction guide frame; 23, Z direction telescopic machine; 24, mounting bracket; 25, welding head;

[0033] 31, first supporting plate; 32, clamping motor; 33, clamping rod; 34, clamping plate; 35, light absorbing sheet;

[0034] 41, turntable; 42, steering motor; 43, jacking telescopic machine; 44, jacking frame;

[0035] ​51, lifting telescopic machine; 52, support; 53, rotating motor; 54, horizontal telescopic machine; 55, mounting frame; 56, high-pressure heat pump machine; 561, gas injection head; 57, clamping telescopic machine; 58, clamping piece;

[0036] 61, guide groove; 62, guide motor; 63, guide block; 64, detection device; 65, infrared thermal imaging probe; 66, second support plate. DETAILED DESCRIPTION

[0037] In order to make the purpose, technical scheme and advantages of the present application more clear, the present application is further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the present application and do not limit the present application.

[0038] The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present application, it should be understood that the orientation or position relationship indicated by the terms "upper", "lower", "left", "right" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore the terms describing the position relationship in the drawings are only used for exemplary illustration, and cannot be understood as a limitation on the present application, for those skilled in the art, the specific meaning of the above terms can be understood according to the specific circumstances.

[0039] The implementation of the present application is described in detail below in combination with specific examples.

[0040] In the present embodiment:

[0041] Referring to the drawings Figure 1 - the drawings Figure 2 shown, a preferred embodiment of the present application is provided.

[0042] The present embodiment is used for a welding equipment of a new energy automobile battery shell, comprising a welding table 1, the welding table 1 is respectively provided with a welding assembly 2, a reversing assembly 4 and a gas injection assembly 5, and the welding table 1 is also respectively provided with a first X-direction guide rail 11 and a second X-direction guide rail 12, and a clamping and feeding assembly 3 and a detection and feeding assembly 6 are respectively guided and installed through the first X-direction guide rail 11 and the second X-direction guide rail 12;

[0043] The welding assembly 2 comprises a welding head 25 movable along X, Y and Z directions, the welding head 25 is used for welding the battery shell, and the battery shell is reciprocally conveyed through the clamping and feeding assembly 3 and the detection and feeding assembly 6, and the reversing assembly 4 is used for reversing operation of the battery shell;

[0044] The air injection assembly 5 is used to inject hot air into the battery shell vent hole, and the sending assembly 6 further comprises an infrared thermal imaging probe 65 for detecting battery shell leakage.

[0045] The welding assembly 2 further comprises an X-direction guide frame 21, a Y-direction guide frame 22 is installed on the X-direction guide frame 21, and a Z-direction telescopic machine 23 is installed on the Y-direction guide frame 22, and a mounting bracket 24 is installed on the telescopic part of the Z-direction telescopic machine 23, and a welding head 25 is fixed through the mounting bracket 24, so as to drive the welding head 25 to meet the omnidirectional welding requirement of the new energy automobile battery shell.

[0046] Further, in the attached Figure 3 , the clamping assembly 3 comprises a first supporting plate 31, a clamping motor 32 is installed at the end of the first supporting plate 31, a clamping rod 33 is connected to the inside of the first supporting plate 31 through the output shaft of the clamping motor 32, and the two ends of the clamping rod 33 are respectively provided with forward threads and reverse threads, and two clamping plates 34 are connected through the forward threads and the reverse threads, under the drive of the clamping motor 32, the clamping rod 33 drives the two groups of clamping plates 34 to realize reverse synchronous transmission through the forward threads and the reverse threads at both ends, and realizes the center positioning of the new energy automobile battery shell, which is convenient for the accuracy of the welding process.

[0047] It is worth noting that the clamping assembly 3 further comprises a light-absorbing sheet 35, the material of the light-absorbing sheet 35 is black matte coating plate, the black matte surface can efficiently absorb infrared radiation, form a significant temperature difference, and thus enhance the detection sensitivity of the infrared thermal imaging probe 65 to the leaked hot air.

[0048] In this embodiment, referring to the attached Figure 4 -attached Figure 5 , the reversing assembly 4 comprises a jacking telescopic machine 43 and a steering motor 42, and the reversing assembly 4 further comprises a rotating disc 41 connected to the welding table 1 through a bearing, the steering motor 42 drives the rotating disc 41 to rotate through a belt, and a jacking frame 44 is inserted through the rotating disc 41, the jacking frame 44 is arranged in a cross shape, and the bottom of the jacking frame 44 is connected to the telescopic part of the jacking telescopic machine 43, the battery shell is jacked up by the telescopic part of the jacking telescopic machine 43 pushing the jacking frame 44, and the jacking frame 44 is driven to rotate by the rotating disc 41 driven by the steering motor 42, so that the direction of the battery shell above the jacking frame 44 can be adjusted.

[0049] It is worth noting that the gas injection assembly 5 comprises a lifting telescopic machine 51 mounted at the end of the welding table 1, the telescopic part of the lifting telescopic machine 51 is connected with a support 52, the end of the support 52 is mounted with a rotating motor 53, and a horizontal telescopic machine 54 is connected with the output shaft of the rotating motor 53, the telescopic part of the horizontal telescopic machine 54 is mounted with a mounting rack 55, and a gas injection head 561 is mounted through the mounting rack 55, and a high-pressure heat pump machine 56 for injecting gas into the gas injection head 561 is also mounted on the support 52, the high-pressure heat pump machine 56 injects high-pressure hot air into the relief hole of the battery shell through the gas injection head 561, and the height, direction and position of the gas injection head 561 can be adjusted through the lifting telescopic machine 51, the rotating motor 53 and the horizontal telescopic machine 54, so that the gas injection demand of different specifications of battery shell can be met.

[0050] In the accompanying drawings Figure 2 In the accompanying drawings

[0051] In the accompanying drawings Figure 2 In the accompanying drawings

[0052] The present application can realize all-round accurate welding of the battery shell through the movable welding head 25 in the welding assembly 2 and the accurate conveying of the clamping and conveying assembly 3 and the detection and conveying assembly 6. In addition, the reversing operation of the reversing assembly 4 can flexibly adjust the direction of the battery shell, meet different welding demands, the clamping and conveying assembly 3 can efficiently realize the center positioning of the battery shell through the bidirectional synchronous clamping plate 34 driven by the clamping motor 32 and the clamping rod 33, and the accurate butt joint in the welding process is ensured.

[0053] And, the gas injection assembly 5 can inject high-pressure hot air into the pressure relief hole of the battery shell, combined with the infrared thermal imaging probe 65, can detect whether there is hot air leakage at the shell welding in real time, the pinch assembly 3 is equipped with the light-absorbing sheet 35, can enhance the detection sensitivity of the infrared thermal imaging probe 65 to the leakage, improve the sensitivity and accuracy of the leakage detection.

[0054] Compared with the prior art, the present application significantly improves the welding efficiency and quality by integrating automation, precise welding, real-time detection and adjustment functions, especially in the welding of new energy automobile battery shells, higher precision and reliability can be achieved.

[0055] The above only describes the preferred embodiments of the present application and is not intended to limit the present application. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A welding device for battery casings of new energy vehicles, characterized in that, The invention includes a welding station, on which welding components, reversing components and gas injection components are respectively installed. The welding station is also provided with a first X-axis guide rail and a second X-axis guide rail, and clamping components and inspection components are respectively guided and installed through the first X-axis guide rail and the second X-axis guide rail. The welding assembly includes a welding head that moves along the X, Y and Z directions. The welding head is used to weld the battery casing and reciprocates the battery casing through a clamping assembly and a conveying assembly. The reversing assembly is used to reverse the orientation of the battery casing. The air injection assembly is used to inject hot air into the pressure relief hole of the battery casing, and the detection assembly also includes an infrared thermal imaging probe for detecting air leakage in the battery casing. The gas injection assembly includes a lifting telescopic mechanism installed at the end of the welding station. The telescopic part of the lifting telescopic mechanism is connected to a bracket. A rotating motor is installed at the end of the bracket and a horizontal telescopic mechanism is connected through the output shaft of the rotating motor. The telescopic part of the horizontal telescopic machine is equipped with a mounting frame, and an air injection head is mounted on the mounting frame. A high-pressure heat pump for injecting air into the air injection head is also mounted on the bracket. The clamping assembly also includes a light-absorbing sheet, which is made of a black matte coated plate and is used to enhance the detection sensitivity of the infrared thermal imaging probe to leaked hot air. The inspection and conveying assembly includes a second support plate, the interior of which is provided with a guide groove. A conveying motor and a detection device are respectively installed at both ends of the second support plate. The conveying motor drives a belt placed in the guide groove. A guide block is installed inside the guide groove via a belt conveyor. The infrared thermal imaging probe is installed through the guide block and is used to move along the edge of the battery casing for close-range detection.

2. The welding equipment for battery casings of new energy vehicles as described in claim 1, characterized in that, The welding assembly also includes an X-axis guide frame, on which a Y-axis guide frame is mounted, and on which a Z-axis telescopic mechanism is mounted. The telescopic part of the Z-axis telescopic mechanism is equipped with a mounting bracket, and the welding head is fixed by the mounting bracket.

3. The welding equipment for battery casings of new energy vehicles as described in claim 1, characterized in that, The clamping assembly includes a first support plate, a clamping motor is mounted on the end of the first support plate, and the output shaft of the clamping motor is connected to a clamping rod placed inside the first support plate. The clamping rod has a forward thread and a reverse thread at both ends, and two clamping plates are connected to it through the forward thread and the reverse thread.

4. The welding equipment for battery casings of new energy vehicles as described in claim 1, characterized in that, The reversing assembly includes a lifting telescopic machine and a steering motor. The reversing assembly also includes a turntable connected to the welding platform by bearings. The steering motor drives the turntable to rotate via a belt. A lifting frame is inserted through the turntable. The lifting frame is arranged in a cross shape, and the bottom of the lifting frame is connected to the rotating shaft of the telescopic part of the lifting telescopic machine.

5. The welding equipment for battery casings of new energy vehicles as described in claim 1, characterized in that, The mounting frame is also equipped with a clamping telescopic mechanism, and the telescopic part of the clamping telescopic mechanism is connected to a clamping plate.

6. The welding equipment for battery casings of new energy vehicles as described in claim 1, characterized in that, The detection device includes a power supply and a PLC, which enables electrical connections between the various components through PLC programming.

Images