Automatic welding table for new energy battery shell

Abstract

The utility model discloses an automatic welding table for a new energy battery shell in the technical field of batteries, which comprises a bottom plate, guide rails are fixedly connected to the tops of the two sides of the bottom plate, longitudinal linear motors are movably connected to the tops of the two guide rails, and supporting columns are fixedly connected to the tops of the two longitudinal linear motors. The tops of the two supporting columns are jointly and fixedly connected with an ejector rod, and the tops, located on the inner sides of the two guide rails, of the bottom plate are fixedly connected with fixing plates. A welding working space is provided through the bottom plate, a battery shell needing to be welded can be clamped through cooperation of the clamping assembly and the fixing plate, the stability of the battery shell in the welding process is ensured, and then the welding assembly is driven to move through cooperation of the longitudinal linear motor and the transverse linear motor; therefore, the welding position of the battery shell is positioned through the positioning sensor, finally, laser welding of the battery shell is completed through the laser welding head, and the welding efficiency and the welding stability are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of batteries, in particular to an automatic welding platform for new energy battery shells. Background Art

[0002] A battery is a device that contains a cup, tank, or other container, or part of a composite container, that contains an electrolyte solution and metal electrodes to generate an electric current. It can convert chemical energy into electrical energy. It has a positive electrode and a negative electrode. With the advancement of technology, batteries generally refer to small devices that can generate electrical energy, such as solar cells. The main performance parameters of batteries are electromotive force, capacity, specific energy, and resistance. Using batteries as an energy source can produce a current with stable voltage and current, long-term stable power supply, and little influence from external factors. Batteries also have a simple structure, are easy to carry, and are easy to charge and discharge. They are not affected by external climate and temperature, and have stable and reliable performance. They play a significant role in all aspects of modern social life.

[0003] When batteries are used in new energy vehicles, a shell needs to be installed on the outside of the battery to provide protection for the new energy battery. When the battery shell is produced, the battery shell needs to be welded to ensure that the battery shell can be installed on the outside of the battery. In the existing technology, most battery shells are manually welded by staff, resulting in low welding efficiency of the battery shell. In addition, manual welding will lead to uneven welding firmness, thereby reducing the actual use effect of the battery shell. Utility Model Content

[0004] The purpose of the present utility model is to provide an automatic welding table for new energy battery shells, which provides a welding working space through a base plate, and can clamp the battery shell to be welded by a clamping assembly in cooperation with a fixing plate to ensure the stability of the battery shell during the welding process, and then drive the welding assembly to move by a longitudinal linear motor in cooperation with a transverse linear motor, so as to locate the welding position of the battery shell through a positioning sensor, and finally complete the laser welding of the battery shell through a laser welding head, thereby improving the welding efficiency and welding stability, so as to solve the problem raised in the above background technology that in the prior art, most battery shells are manually welded by staff, resulting in low welding efficiency of the battery shell, and due to manual welding, the welding firmness will be uneven, thereby reducing the actual use effect of the battery shell.

[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: an automatic welding platform for new energy battery shells, comprising a base plate, the tops of both sides of the base plate are fixedly connected to guide rails, the tops of the two guide rails are movably connected to longitudinal linear motors, the tops of the two longitudinal linear motors are fixedly connected to support columns, the tops of the two support columns are commonly fixedly connected to a push rod, the tops of the base plate located on the inner sides of the two guide rails are fixedly connected to a fixing plate, a plurality of clamping assemblies are evenly arranged on both sides of the two fixing plates close to each other, a moving inner cavity is provided inside the push rod, a through groove is provided at the bottom of the push rod, the top of the through groove is throughly connected to the bottom of the moving inner cavity, a welding assembly is provided at the bottom of the push rod, and the welding assembly includes a transverse linear motor, and the transverse linear motor is movably connected to the moving inner cavity.

[0006] As a further solution of the present invention: a lifting electric push rod is fixedly connected to the bottom of the transverse linear motor, and the lifting electric push rod is movably connected to the through-slot.

[0007] As a further solution of the present invention: the bottom of the lifting electric push rod is fixedly connected to a working disk, the bottom of the working disk is fixedly connected to a laser welding head, and the bottoms of the working disk on both sides of the laser welding head are fixedly connected to positioning sensors.

[0008] As a further solution of the present invention: the plurality of clamping assemblies each include a clamping cylinder, and the output ends of the plurality of clamping cylinders are each arranged toward one end of the welding assembly.

[0009] As a further solution of the present invention: both side outer walls of the plurality of clamping cylinders are fixedly connected with fixing flanges, and one end of the plurality of clamping cylinders close to the fixing plate is detachably connected to the side wall of the fixing plate through the fixing flanges.

[0010] As a further solution of the present invention: the output ends of the plurality of clamping cylinders are detachably connected to clamping plates through fixed flanges, and the side walls of the plurality of clamping plates at one end away from the clamping cylinders are fixedly connected to protective pads.

[0011] Compared with the prior art, the beneficial effects of the present invention are as follows: in the present invention, a welding working space is provided by the base plate, and the battery shell to be welded can be clamped by the clamping assembly in cooperation with the fixing plate to ensure the stability of the battery shell during the welding process, and then the welding assembly is driven to move by the longitudinal linear motor in cooperation with the transverse linear motor, so that the welding position of the battery shell is positioned by the positioning sensor, and finally the laser welding of the battery shell is completed by the laser welding head, thereby improving the welding efficiency and welding stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the main structure of the automatic welding station for new energy battery shells of this utility model;

[0013] Figure 2 This is an enlarged schematic diagram of the cross-sectional structure of the ejector pin in the automatic welding platform for the new energy battery shell of the present utility model;

[0014] Figure 3 This is an enlarged schematic diagram of the structure of the clamping assembly in the automatic welding station for the new energy battery shell of the utility model.

[0015] In the figure: 1. Base plate; 2. Guide rail; 3. Longitudinal linear motor; 4. Support column; 5. Push rod; 51. Motion inner cavity; 52. Through slot; 6. Welding assembly; 61. Horizontal linear motor; 62. Lifting electric push rod; 63. Working disk; 64. Laser welding head; 65. Positioning sensor; 7. Fixing plate; 8. Clamping assembly; 81. Clamping cylinder; 82. Fixing flange; 83. Clamping plate; 84. Protective pad. DETAILED DESCRIPTION

[0016] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0017] The terms "first," "second," and the like in the specification and claims of this application are used to distinguish similar objects, and are not used to describe a specific order or precedence. It should be understood that the terms used in this manner are interchangeable where appropriate, so that the embodiments of this application can be implemented in an order other than that illustrated or described herein, and that the objects distinguished by "first," "second," and the like are generally of the same type, and do not limit the number of objects; for example, the first object can be one or more. In addition, the term "and / or" in the specification and claims refers to at least one of the connected objects, and the character " / " generally indicates that the objects connected are in an "or" relationship.

[0018] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention.

[0019] In the description of the present invention, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "connected," and "disposed" should be understood in a broad sense. For example, they may refer to fixed connection or disposition, detachable connection or disposition, or integral connection or disposition. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0020] See also Figures 1 to 3 In the embodiment of the present utility model, the automatic welding platform for the new energy battery shell includes a base plate 1, the tops of both sides of the base plate 1 are fixedly connected with guide rails 2, the tops of the two guide rails 2 are movably connected with longitudinal linear motors 3, the tops of the two longitudinal linear motors 3 are fixedly connected with support columns 4, and the tops of the two support columns 4 are commonly fixedly connected with a push rod 5. The tops of the base plate 1 located on the inner sides of the two guide rails 2 are fixedly connected with fixed plates 7, and a plurality of clamping assemblies 8 are evenly arranged on both sides of the two fixed plates 7 close to each other. A moving inner cavity 51 is opened inside the push rod 5, and a through groove 52 is opened at the bottom of the push rod 5. The top of the through groove 52 is through-connected with the bottom of the moving inner cavity 51, and a welding assembly 6 is provided at the bottom of the push rod 5. The welding assembly 6 includes a transverse linear motor 61, and the transverse linear motor 61 is movably connected to the moving inner cavity 51.

[0021] Preferably, in this embodiment, the longitudinal linear motor 3 is a synchronous linear motor, which ensures that the movement directions and movement distances of the two longitudinal linear motors 3 remain consistent during the welding process, further improving the welding effect.

[0022] A lifting electric push rod 62 is fixedly connected to the bottom of the transverse linear motor 61 , and the lifting electric push rod 62 is movably connected to the through slot 52 .

[0023] The bottom of the lifting electric push rod 62 is fixedly connected to a working disk 63 , the bottom of the working disk 63 is fixedly connected to a laser welding head 64 , and the bottoms of the working disk 63 on both sides of the laser welding head 64 are fixedly connected to positioning sensors 65 .

[0024] Preferably, in this embodiment, when performing welding operations, the lifting electric push rod 62 is driven to move by the horizontal linear motor 61, thereby driving the working disk 63 to move to the welding position, and the lifting electric push rod 62 is used to drive the working disk 63 to move downward, thereby driving the laser welding head 64 close to the battery shell to improve the welding efficiency, and then the welding position is positioned by the positioning sensor 65, and finally the battery shell is laser welded by the welding laser head 64.

[0025] The multiple clamping assemblies 8 each include a clamping cylinder 81 , and the output ends of the multiple clamping cylinders 81 are all arranged toward one end of the welding assembly 6 .

[0026] The outer walls of both sides of the multiple clamping cylinders 81 are fixedly connected with fixing flanges 82 , and one end of the multiple clamping cylinders 81 close to the fixing plate 7 is detachably connected to the side wall of the fixing plate 7 through the fixing flanges 82 .

[0027] The output ends of the multiple clamping cylinders 81 are detachably connected to the clamping plates 83 through the fixing flanges 82 , and the side walls of the multiple clamping plates 83 at one end away from the clamping cylinders 81 are fixedly connected to the protective pads 84 .

[0028] Preferably, in this embodiment, before the welding operation is performed, the clamping plate 83 is driven by the tightening cylinder 81 to clamp the battery casing to be welded, thereby ensuring the stability of the battery casing during the welding process.

[0029] The working principle of the present invention is: when using the device, it is only necessary to place the base plate 1 in a suitable position, connect the external circuit with the device circuit, connect the external air pump delivery pipeline with the cylinder, and connect the external control circuit with the signal end of the device.

[0030] Place the battery shell to be welded on the top of the base plate 1, start the tightening cylinder 81, drive the clamping plate 83 to move, and clamp the battery shell. Then start the bus linear motor 3 and the transverse linear motor 61 to drive the working disk 63 to move. When the working disk 63 moves to the top of the welding position, start the lifting electric push rod 62 to drive the working disk 63 to descend, and then locate the welding position through the positioning sensor 65, and finally start the laser welding head 64 to complete the laser welding operation.

[0031] It should be noted that, in this article, the terms "comprise", "include" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the statement "comprises a ..." does not exclude the presence of other identical elements in the process, method, article or device comprising the element. In addition, it should be noted that the scope of the methods and devices in the embodiments of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in the opposite order according to the functions involved. For example, the described method may be performed in an order different from that described, and various steps may also be added, omitted, or combined. In addition, the features described with reference to certain examples may be combined in other examples.

[0032] The embodiments of the present application are described above in conjunction with the accompanying drawings, but the present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of this application, ordinary technicians in this field can also make many forms without departing from the purpose of this application and the scope of protection of the claims, all of which are within the protection of this application.

Claims

1. An automatic welding station for a new energy battery housing, comprising a bottom plate (1), characterized in that: The tops of both sides of the base plate (1) are fixedly connected with guide rails (2), the tops of the two guide rails (2) are movably connected with longitudinal linear motors (3), the tops of the two longitudinal linear motors (3) are fixedly connected with support columns (4), the tops of the two support columns (4) are commonly fixedly connected with a push rod (5), the tops of the base plate (1) located inside the two guide rails (2) are fixedly connected with a fixing plate (7), a plurality of clamping assemblies (8) are evenly arranged on both sides of the two fixing plates (7) close to each other, a moving inner cavity (51) is provided inside the push rod (5), a through groove (52) is provided at the bottom of the push rod (5), the top of the through groove (52) is throughly connected with the bottom of the moving inner cavity (51), and a welding assembly (6) is arranged at the bottom of the push rod (5), the welding assembly (6) comprises a transverse linear motor (61), and the transverse linear motor (61) is movably connected with the moving inner cavity (51).

2. The automatic welding station for new energy battery housing according to claim 1 is characterized in that: A lifting electric push rod (62) is fixedly connected to the bottom of the transverse linear motor (61), and the lifting electric push rod (62) is movably connected to the through-groove (52).

3. The automatic welding station for new energy battery housing according to claim 2 is characterized in that: The bottom of the lifting electric push rod (62) is fixedly connected to a working disk (63), the bottom of the working disk (63) is fixedly connected to a laser welding head (64), and the bottoms of the working disk (63) on both sides of the laser welding head (64) are fixedly connected to positioning sensors (65).

4. The automatic welding station for new energy battery housing according to claim 1 is characterized in that: The plurality of clamping assemblies (8) each comprises a clamping cylinder (81), and the output ends of the plurality of clamping cylinders (81) are each arranged toward one end of the welding assembly (6).

5. The automatic welding station for new energy battery housing according to claim 4 is characterized in that: The outer walls on both sides of the plurality of clamping cylinders (81) are fixedly connected with fixing flanges (82), and the ends of the plurality of clamping cylinders (81) close to the fixing plate (7) are detachably connected to the side walls of the fixing plate (7) via the fixing flanges (82).

6. The automatic welding station for new energy battery housing according to claim 4 is characterized in that: The output ends of the plurality of clamping cylinders (81) are detachably connected to clamping plates (83) via fixing flanges (82), and the side walls of the plurality of clamping plates (83) at one end away from the clamping cylinders (81) are fixedly connected to protective pads (84).

Images