New energy battery pack production welding equipment

Abstract

The utility model discloses new energy battery pack production welding equipment which comprises an electric welding machine body, an installation rod is installed above the electric welding machine body, a fixing plate is fixedly installed on the left side of the installation rod, an electric push rod is installed on the left side of the fixing plate, and a movable plate is installed at the output end of the electric push rod. A mounting cylinder is mounted below the moving plate, a stepping motor is mounted in the mounting cylinder, a connecting bearing is mounted at the bottom of the mounting cylinder, a movable connecting column is arranged in the connecting bearing in a penetrating manner, a switching plate is mounted below the movable connecting column, and an electrode tip moving cavity is formed in the left side of the interior of the switching plate. According to the new energy battery pack welding device, the laser pen symmetrical to the electrode tip is arranged, the positions of the electrode tip and the laser pen are exchanged through the rotatable switching plate, welding spot positioning is conducted through the laser pen firstly, then welding is conducted through the electrode tip, and the welding efficiency and the welding effect of a new energy battery pack are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery pack welding technical field, concretely is a new energy battery pack production welding equipment. BACKGROUND

[0002] New energy vehicles all have a feature - all have battery packs; the internal structure of battery pack is similar, all have battery, battery placing box, high voltage wire harness, low voltage wire harness, high voltage power off system, battery management system, thermal management system etc.; the welding of new energy battery pack is generally the effect of series and parallel connection, welding is carried out through the effect of connecting piece on battery, the positive and negative electrode materials of battery pack are generally different, generally speaking, aluminum will be taken as the positive electrode material of battery, and nickel and copper nickel plating will generally be taken as the negative electrode material of battery, and the welding between copper and aluminum needs to use ultrasonic welding, because copper aluminum laser welding will produce brittle compound, and there is no way to meet the use demand of battery, and the same material generally adopts laser welding.

[0003] China authorized publication number CN220838600U discloses a kind of battery pack welding device, comprising: workbench;No. linear module, no. linear module is located at the top of the workbench, the moving slide of no. linear module is equipped with lifting cylinder, and the output end of the lifting cylinder is fixedly connected with spot welder;Conveying assembly, conveying assembly is below the spot welder, the beneficial effects of the utility model are that: by setting no. linear module and no. linear module, under the cooperation of spot welder and conveying tray, spot welder can be batch welded to assembled battery, which is convenient and fast, can effectively shorten welding time, provide corresponding work efficiency, by setting longitudinal fixed rod and transverse fixed rod, can be flexibly adjusted according to assembled battery pack, it is convenient to fix battery pack of different thickness and shape, expand its use range, improve the practicability of welding equipment.

[0004] The existing new energy battery pack production welding equipment lacks certain structure, causing the electrode tip and the battery pack to be misaligned during new energy battery pack welding, which brings inconvenience to the welding of the battery pack and affects the welding efficiency and welding effect of the battery pack. Therefore, we propose a new energy battery pack production welding equipment. Utility model content

[0005] The utility model aims at providing a new energy battery pack production welding equipment to solve the problem of the existing new energy battery pack production welding equipment lacking certain structure, causing the electrode tip and the battery pack to be misaligned during new energy battery pack welding, which brings inconvenience to the welding of the battery pack and affects the welding efficiency and welding effect of the battery pack.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: a new energy battery pack production welding equipment, including

[0007] The welding machine body is provided with a mounting rod above it, a fixed plate is fixedly installed on the left side of the mounting rod, an electric push rod is installed on the left side of the fixed plate, a moving plate is installed on the output end of the electric push rod, a mounting cylinder is installed below the moving plate, a stepper motor is installed in the mounting cylinder, a connecting bearing is installed at the bottom of the mounting cylinder, a movable connecting column is arranged in the connecting bearing, a switching plate is installed below the movable connecting column, an electrode head movable cavity is formed in the left side of the inside of the switching plate, two movable electrode heads are installed in the electrode head movable cavity, a laser pen movable cavity is formed in the right side of the inside of the switching plate, and two movable laser pens are installed in the laser pen movable cavity.

[0008] Preferably, the movable connecting column is movably connected with the mounting cylinder through the connecting bearing, and the output end of the stepper motor is key-connected with the movable connecting column.

[0009] Preferably, the shape and size of the movable electrode head are locally matched with the shape and size of the inside of the electrode head movable cavity, and the movable electrode head moves in the electrode head movable cavity.

[0010] Preferably, the shape and size of the movable laser pen are locally matched with the shape and size of the inside of the laser pen movable cavity, and the movable laser pen moves in the laser pen movable cavity.

[0011] Preferably, the electrode head movable cavity and the laser pen movable cavity are symmetric about the middle line of the upper surface of the switching plate, and the movable electrode head and the movable laser pen are symmetric about the middle line of the upper surface of the switching plate.

[0012] Preferably, the switching plate is further provided with:

[0013] An adjusting plate is installed at the front and rear ends of the switching plate, a bidirectional adjusting screw rod is arranged in the middle of the inside of the adjusting plate, a first connecting rod is installed on the left side of the adjusting plate, and a second connecting rod is installed on the right side of the adjusting plate.

[0014] Preferably, the bidirectional adjusting screw rod is threadedly connected with the adjusting plate, and the bidirectional adjusting screw rod is movably connected with the switching plate, the first connecting rod penetrates the inside of the electrode head movable cavity, and the first connecting rod is fixedly connected with the movable electrode head, the second connecting rod penetrates the inner wall of the laser pen movable cavity, and the second connecting rod is fixedly connected with the movable laser pen.

[0015] Compared with the prior art, the utility model provides a new energy battery pack production welding equipment, which has the following beneficial effects:

[0016] 1. The utility model discloses a laser pen and a movable electrode head are set up with the symmetry of electrode head, and the position of electrode head and laser pen is exchanged to the switchable switch board, realizes first using laser pen and carries out the welding point positioning, and then using electrode head carries out the welding, improves the welding efficiency and welding effect of new energy battery pack.

[0017] 2. The utility model discloses through screwing two -way adjusting screw rod and push two adjusting plates to each other close or each other away, then through first connecting rod and second connecting rod drive mobile electrode head and mobile laser pen move, realize the interval between two mobile electrode head and two mobile laser pens is adjusted, satisfies the welding demand of different size new energy battery pack. DRAWINGS

[0018] Figure 1 It is the whole structure schematic diagram of the utility model;

[0019] Figure 2 It is the switch board amplification structure schematic diagram of the utility model;

[0020] Figure 3 It is the switch board internal structure schematic diagram of the utility model;

[0021] Figure 4 It is the mobile electrode head three -dimensional structure schematic diagram of the utility model;

[0022] Figure 5 It is the installation cylinder internal structure schematic diagram of the utility model.

[0023] In the drawing: 1, electric welding machine body;2, mounting rod;3, fixed plate;4, electric push rod;5, moving plate;6, installation cylinder;7, switch board;8, mobile electrode head;9, electrode head movable cavity;10, connecting bearing;11, first connecting rod;12, adjusting plate;13, two -way adjusting screw rod;14, second connecting rod;15, mobile laser pen;16, laser pen movable cavity;17, movable connecting column;18, step motor. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the scope of protection of the utility model.

[0025] Please refer to Figures 1-5The utility model provides a new energy battery package production welding equipment, including electric welding machine body 1, the upper portion of electric welding machine body 1 is installed with mounting rod 2, the left side fixed mounting of mounting rod 2 is equipped with fixed plate 3, the left side of fixed plate 3 is installed with electric push rod 4, the output of electric push rod 4 is installed with moving plate 5, the lower portion of moving plate 5 is installed with mounting cylinder 6, the inside of mounting cylinder 6 is installed with step motor 18, the bottom of mounting cylinder 6 is installed with connecting bearing 10, the inside of connecting bearing 10 is equipped with movable connecting column 17, movable connecting column 17 is movably connected with mounting cylinder 6 through connecting bearing 10, and the output of step motor 18 is keyed to movable connecting column 17, the lower portion of movable connecting column 17 is installed with switching plate 7, the inside left side of switching plate 7 is equipped with electrode head movable cavity 9, and two mobile electrode heads 8 are installed in the inside of electrode head movable cavity 9, the shape size of mobile electrode head 8 is partially consistent with the shape size of the inside of electrode head movable cavity 9, and mobile electrode head 8 moves in the inside of electrode head movable cavity 9, the inside right side of switching plate 7 is equipped with laser pen movable cavity 16, and two mobile laser pens 15 are installed in the inside of laser pen movable cavity 16, the shape size of mobile laser pen 15 is partially consistent with the shape size of the inside of laser pen movable cavity 16, and mobile laser pen 15 moves in the inside of laser pen movable cavity 16, electrode head movable cavity 9 and laser pen movable cavity 16 are symmetrical about the upper surface midline of switching plate 7, and mobile electrode head 8 and mobile laser pen 15 are symmetrical about the upper surface midline of switching plate 7, through the laser pen symmetrical with electrode head and rotatable switching plate 7, the position of electrode head and laser pen is exchanged, realizes first using laser pen and then using electrode head to carry out spot welding, improves the welding efficiency and welding effect of new energy battery package.

[0026] Please refer to Figure 3 The utility model provides a new energy battery package production welding equipment, including adjusting plate 12, its installation is at switching plate 7's front and rear both ends, the inside middle part of adjusting plate 12 is equipped with two -way adjusting screw rod 13, the left side of adjusting plate 12 is installed with first connecting rod 11, and the right side of adjusting plate 12 is installed with second connecting rod 14, two -way adjusting screw rod 13 is connected with adjusting plate 12 threadedly, and two -way adjusting screw rod 13 is movably connected with switching plate 7, first connecting rod 11 is passed through in the inside of electrode head movable cavity 9, and first connecting rod 11 is fixedly connected with mobile electrode head 8, and second connecting rod 14 is passed through in the inner wall of laser pen movable cavity 16, and second connecting rod 14 is fixedly connected with mobile laser pen 15, by screwing two -way adjusting screw rod 13 and pushing two adjusting plates 12 to be close to each other or be away from each other, then by first connecting rod 11 and second connecting rod 14 drive mobile electrode head 8 and mobile laser pen 15 move, realize the interval between two mobile electrode heads 8 and two mobile laser pens 15 is adjusted, satisfy the welding demand of new energy battery package of different size.

[0027] Working principle: when using the new energy battery pack production welding equipment, first twist the two-way adjusting screw rod 13 through the thread to push the two adjusting plates 12 to move close to or away from each other, drive the moving electrode head 8 to move close to or away from each other in the inside of the electrode head movable cavity 9 through the first connecting rod 11 and the second connecting rod 14, and drive the moving laser pen 15 to move close to or away from each other in the inside of the laser pen movable cavity 16, adjust the two moving electrode heads 8 to the interval that satisfies the use demand, then place the battery pack to be welded below the switching plate 7, the moving laser pen 15 emits laser, and the laser is positioned on the welding point, secondly, after positioning is completed, the controller controls the stepping motor 18 to work and drive the movable connecting column 17 to rotate 180°, and then drive the switching plate 7 to rotate 180°, switch the built-in of the moving electrode head 8 and the moving laser pen 15, and then the controller controls the electric push rod 4 to work and push the moving plate 5 to move downwards a certain distance, so that the moving electrode head 8 contacts and welds with the battery electrode, after welding is completed, the electric push rod 4 drives the switching plate 7 to rise back to the original place, which is the working principle of the new energy battery pack production welding equipment.

[0028] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A new energy battery pack production welding device, characterized in that, Include: Electric welding machine body (1), the upper of electric welding machine body (1) is installed with mounting rod (2), the left side of mounting rod (2) is fixedly installed with fixed plate (3), the left side of fixed plate (3) is installed with electric push rod (4), the output end of electric push rod (4) is installed with moving plate (5), the lower of moving plate (5) is installed with installation cylinder (6), the inside of installation cylinder (6) is installed with step motor (18), the bottom of installation cylinder (6) is installed with connecting bearing (10), the inside of connecting bearing (10) is provided with movable connecting column (17), the lower of movable connecting column (17) is installed with switch plate (7), the inside left side of switch plate (7) is provided with electrode head movable cavity (9), the inside of electrode head movable cavity (9) is installed with two mobile electrode heads (8), the inside right side of switch plate (7) is provided with laser pen movable cavity (16), the inside of laser pen movable cavity (16) is installed with two mobile laser pens (15).

2. The new energy battery pack production welding equipment according to claim 1, characterized in that, The movable connecting column (17) is movably connected with the installation cylinder (6) through the connecting bearing (10), and the output end of the step motor (18) is keyed connected with the movable connecting column (17).

3. The new energy battery pack production welding equipment according to claim 1, characterized in that, The shape and size of the mobile electrode head (8) partially match the shape and size of the inside of the electrode head movable cavity (9), and the mobile electrode head (8) moves in the inside of the electrode head movable cavity (9).

4. The new energy battery pack production welding equipment according to claim 1, characterized in that, The shape and size of the mobile laser pen (15) partially match the shape and size of the inside of the laser pen movable cavity (16), and the mobile laser pen (15) moves in the inside of the laser pen movable cavity (16).

5. The new energy battery pack production welding equipment according to claim 1, characterized in that, The electrode head movable cavity (9) and the laser pen movable cavity (16) are symmetric about the middle line of the upper surface of the switch plate (7), and the mobile electrode head (8) and the mobile laser pen (15) are symmetric about the middle line of the upper surface of the switch plate (7).

6. The new energy battery pack production welding device according to claim 1, characterized in that, The switch plate (7) is further provided with: An adjusting plate (12) is installed at the front and rear ends of the switch plate (7), a bidirectional adjusting screw (13) is provided in the inside middle part of the adjusting plate (12), a first connecting rod (11) is installed on the left side of the adjusting plate (12), and a second connecting rod (14) is installed on the right side of the adjusting plate (12).

7. The new energy battery pack production welding device according to claim 6, characterized in that, The bidirectional adjusting screw (13) is threadedly connected with the adjusting plate (12), and the bidirectional adjusting screw (13) is movably connected with the switch plate (7), the first connecting rod (11) penetrates the inside of the electrode head movable cavity (9), and the first connecting rod (11) is fixedly connected with the mobile electrode head (8), the second connecting rod (14) penetrates the inner wall of the laser pen movable cavity (16), and the second connecting rod (14) is fixedly connected with the mobile laser pen (15).

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