Lithium battery bottom welding device

Abstract

The utility model belongs to the technical field of lithium battery welding, and discloses a lithium battery bottom welding device. The lithium battery bottom welding device comprises a working table, supporting legs are fixedly connected to the lower surface of the working table, a positioning groove is formed in the upper surface of the working table, the working table is slidably connected with a positioning table through the positioning groove, a supporting frame is fixedly connected to the outer side of the working table, and an air cylinder is fixedly connected to the upper surface of the supporting frame; the air cylinder is fixedly connected with one end of a first telescopic rod through the output end, and the other end of the first telescopic rod is fixedly connected with a positioning plate. According to the lithium battery bottom welding device, a driving motor, a driving gear, a first driven gear and a second driven gear are used in cooperation in the discharging mechanism, after the driving motor drives the driving gear, the first driven gear and the second driven gear can be driven to rotate, a discharging plate and an electric sliding rail are further driven to rotate, and a lithium battery above a positioning table is discharged; and meanwhile, multiple blanking is carried out, time is saved, and the production rate is increased.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium battery welding, in particular to a lithium battery bottom welding device. Background Art

[0002] Lithium batteries are a type of battery that uses lithium metal or lithium alloy as positive / negative electrode materials and non-aqueous electrolyte solutions. Due to the highly active chemical properties of lithium metal, the processing, storage, and use of lithium metal have very high environmental requirements. With the development of science and technology, lithium batteries have become mainstream.

[0003] The lithium battery bottom welding devices currently on the market require individual material cutting during cutting operations, which reduces the production rate. At the same time, manual spot welding is usually performed by operators. However, this method may result in deviations or uneven levels of welding due to human control, resulting in uneven welding degrees of the completed lithium batteries. Utility Model Content

[0004] The utility model aims to provide a lithium battery bottom welding device, which effectively solves the problem that the lithium battery bottom welding devices on the market usually require operators to perform manual spot welding when in use. However, this method may have deviations or uneven levels due to human control, resulting in uneven welding degrees of the completed lithium batteries. At the same time, the material needs to be unloaded individually during the unloading operation, which reduces the production rate.

[0005] To achieve the above objectives, the utility model is implemented through the following technical solutions: a lithium battery bottom welding device, comprising a workbench, the lower surface of the workbench is fixedly connected to a supporting leg, the upper surface of the workbench is provided with a positioning groove, the workbench is slidably connected to the positioning platform through the positioning groove, the outer side of the workbench is fixedly connected to a supporting frame, the upper surface of the supporting frame is fixedly connected to a cylinder, the cylinder is fixedly connected to one end of a telescopic rod one through an output end, the other end of the telescopic rod one is fixedly connected to a positioning plate, the lower surface of the positioning plate is fixedly connected to a welder, the upper surface of the workbench is fixedly connected to a feeding mechanism, the upper surface of the workbench is fixedly connected to a triangular block, a clamping mechanism is provided inside the positioning platform, the upper surface of the workbench is fixedly connected to a hydraulic cylinder, the hydraulic cylinder is fixedly connected to one end of a telescopic rod two through an output end, and the other end of the telescopic rod two is fixedly connected to the right side of the positioning platform.

[0006] Through the above technical solution, the unloading mechanism is used to drive the driving gear through the driving motor, thereby further driving the driven gear 1 and the driven gear 2 to rotate outward, so that multiple batteries can be unloaded at one time, and the push plate is further pushed by the set electric slide rail to avoid omissions.

[0007] Preferably, the unloading mechanism includes a driving motor, a driving gear, a positioning shaft, a driven gear 1, a driven gear 2, an electric slide rail, a unloading plate and a push plate. The upper surface of the workbench is fixedly connected to the driving motor, the output end of the driving motor is fixedly connected to the driving gear, the driving gear is meshingly connected to the driven gear 1, the upper surface of the workbench is fixedly connected to two positioning shafts, the driven gear 1 is meshingly connected to the driven gear 2, and the driven gear 1 and the driven gear 2 are respectively sleeved on the outside of the positioning shaft, the driven gear 1 and the driven gear 2 are respectively fixedly connected to the electric slide rails, the end of the electric slide rail is fixedly connected to the unloading plate, and the side of the electric slide rail is slidably connected to the push plate through a slider.

[0008] Through the above technical solution, the driving motor of the present application drives the active gear to rotate, which further drives the driven gear 1 and the driven gear 2 to rotate, so that the electric slide rail and the unloading plate rotate to unload the batteries above the positioning table for easy operation, while saving time and increasing production speed.

[0009] Preferably, the clamping mechanism includes a movable rod, a clamping plate, a limit plate and a return spring. The movable rod is movably connected inside the positioning table, the clamping plate is fixedly connected to the left side of the movable rod, the limit plate is fixedly connected to the outer side of the movable rod, the return spring is fixedly connected to the right side of the limit plate, and the return spring is installed inside a cavity set in the workbench.

[0010] Through the above technical solution, the clamping plate provided in the clamping mechanism of the present application can clamp the lithium battery, prevent the lithium battery from tilting during the spot welding process, and improve the stability of the battery in the installation slot.

[0011] Preferably, a mounting groove is provided inside the positioning platform, and a guide groove is provided inside the positioning platform, and the guide groove is communicated with the mounting groove, and the positioning platform is slidably connected to a connecting ring through the guide groove.

[0012] Through the above technical solution, the present application can push multiple lithium batteries upward at one time through the connecting ring, which is convenient for subsequent unloading operations of the unloading plate.

[0013] Preferably, two triangular blocks are provided, and the distance between the two triangular blocks is equal to the width of the positioning platform.

[0014] Through the above technical solution, when the positioning platform of the present application passes through the triangular block, the corners of the connecting ring can contact the triangular block and push the connecting ring upward to further push the lithium battery inside the installation slot, making it convenient to lift the height of the lithium battery.

[0015] Preferably, the positioning platform is provided with a plurality of positioning grooves, and a matching space is reserved in the middle of the positioning platform corresponding to the blanking plate.

[0016] Through the above technical solution, the present application is provided with a total of 42 installation slots so that the equipment can weld 6 lithium batteries at a time, and weld 42 lithium batteries in sequence, which is convenient for operation, saves time and facilitates control of welding position and welding level.

[0017] By adopting the above technical solution, the beneficial effects of the utility model are:

[0018] 1. The lithium battery bottom welding device uses a driving motor, a driving gear, a driven gear 1, and a driven gear 2 through a material unloading mechanism. After the driving motor drives the driving gear, it can drive the driven gear 1 and the driven gear 2 to rotate, and further drive the unloading plate and the electric slide rail to rotate to unload the lithium battery above the positioning table. Multiple unloading can be performed at the same time to save time and improve production speed.

[0019] 2. The lithium battery bottom welding device utilizes a clamping mechanism through the coordinated use of a clamping plate and a reset spring to make the lithium battery inside the mounting slot more stable during welding. At the same time, the 42 mounting slots arranged on the positioning table can weld 6 lithium batteries at a time, and the 42 lithium batteries can be welded in sequence, which reduces the welding time and keeps the welding degree consistent. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional diagram of the utility model;

[0021] Figure 2 This is the front view of the utility model;

[0022] Figure 3 It is a top view of the utility model;

[0023] Figure 4 For this utility model Figure 3 Partial cross-section at AA;

[0024] Figure 5 For this utility model Figure 4 Enlarged view of point B in the middle.

[0025] In the figure: 1 workbench, 2 supporting legs, 3 positioning table, 31 mounting slot, 32 guide slot, 33 connecting ring, 4 supporting frame, 5 cylinder, 6 telescopic rod 1, 7 positioning plate, 8 welder, 9 unloading mechanism, 91 driving motor, 92 driving gear, 93 positioning shaft, 94 driven gear 1, 95 driven gear 2, 96 electric slide rail, 97 unloading plate, 98 push plate, 10 triangular block, 11 clamping mechanism, 111 movable rod, 112 clamping plate, 113 limit plate, 114 reset spring, 12 hydraulic cylinder, 13 telescopic rod 2, 14 positioning slot. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0028] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0029] See also Figure 1-5 The utility model provides a technical solution: a lithium battery bottom welding device, comprising a workbench 1, a supporting leg 2 is fixedly connected to the lower surface of the workbench 1, a positioning groove 14 is arranged on the upper surface of the workbench 1, the workbench 1 is slidably connected to the positioning platform 3 through the positioning groove 14, a support frame 4 is fixedly connected to the outer side of the workbench 1, a cylinder 5 is fixedly connected to the upper surface of the support frame 4, the cylinder 5 is fixedly connected to one end of a telescopic rod 6 through the output end, the other end of the telescopic rod 6 is fixedly connected to a positioning plate 7, a welder 8 is fixedly connected to the lower surface of the positioning plate 7, a feeding mechanism 9 is fixedly connected to the upper surface of the workbench 1, a triangular block 10 is fixedly connected to the upper surface of the workbench 1, a clamping mechanism 11 is arranged inside the positioning platform 3, a hydraulic cylinder 12 is fixedly connected to the upper surface of the workbench 1, the hydraulic cylinder 12 is fixedly connected to one end of a telescopic rod 13 through the output end, and the other end of the telescopic rod 13 is fixedly connected to the right side of the positioning platform 3;

[0030] Reference Figure 1 , 3As shown, the unloading mechanism 9 includes a driving motor 91, a driving gear 92, a positioning shaft 93, a driven gear 1 94, a driven gear 2 95, an electric slide rail 96, an unloading plate 97 and a push plate 98. The upper surface of the workbench 1 is fixedly connected with the driving motor 91, the output end of the driving motor 91 is fixedly connected with the driving gear 92, the driving gear 92 is meshingly connected with the driven gear 1 94, the upper surface of the workbench 1 is fixedly connected with two positioning shafts 93, the driven gear 1 94 is meshingly connected with the driven gear 2 95, and the driven gear 1 94 and the driven gear 2 95 are respectively sleeved on the outside of the positioning shaft 93, the driven gear 1 94 and the driven gear 2 95 are respectively fixedly connected with the electric slide rail 96, the end of the electric slide rail 96 is fixedly connected with the unloading plate 97, and the side of the electric slide rail 96 is slidably connected with the push plate 98 through a slider.

[0031] Reference Figure 4 , 5 As shown, the clamping mechanism 11 includes a movable rod 111, a clamping plate 112, a limit plate 113 and a reset spring 114. The movable rod 111 is movably connected inside the positioning table 3, the clamping plate 112 is fixedly connected to the left side of the movable rod 111, the limit plate 113 is fixedly connected to the outer side of the movable rod 111, the limit plate 113 is fixedly connected to the right side of the limit plate 113, and the reset spring 114 is installed inside the cavity set in the workbench 1.

[0032] Reference Figure 4 , 5 As shown, a mounting groove 31 is provided inside the positioning platform 3 , and a guide groove 32 is provided inside the positioning platform 3 , and the guide groove 32 is communicated with the mounting groove 31 , and the positioning platform 3 is slidably connected with a connecting ring 33 through the guide groove 32 .

[0033] Reference Figure 1 As shown, there are two triangular blocks 10 , and the distance between the two triangular blocks 10 is equal to the width of the positioning platform 3 .

[0034] Reference Figure 1 As shown, the positioning platform 3 is provided with a plurality of positioning grooves 14 , and a matching space is reserved in the middle of the positioning platform 3 corresponding to the blanking plate 97 .

[0035] When the lithium battery bottom welding device is working, the lithium battery is first installed in the installation slot 31, and the clamping plate 112 is squeezed and expands outward and squeezes the reset spring 114. When the lithium battery is installed in place, the reset spring 114 provides a reverse force to push the movable rod 111 and the clamping plate 112 to clamp the lithium battery, and then the hydraulic cylinder 12 is started, and the hydraulic cylinder 12 pushes the telescopic rod 13 to move and further push the positioning platform 3 to move. Then, when the cylinder 5 passes the position, the cylinder 5 is started and pushes the telescopic rod 16 downward to further push the positioning plate 7, and the welder 8 bottom welds the lithium battery. After welding, the telescopic rod 2 13 continues to move. When the positioning platform 3 passes through the triangular block 10, the connecting ring 33 contacts the triangular block 10 and lifts the internally welded lithium battery to a higher position. Then, when the unloading mechanism 9 is reached, the driving motor 91 is started to drive the driving gear 92 to rotate, and the driven gear 1 94 is further used to drive the driven gear 2 95 to rotate. Then, the electric slide rail 96 and the unloading plate 97 rotate outward and unload the lithium battery above the positioning platform 3. Then, the electric slide rail 96 drives the push plate 98 to move to push out the remaining lithium batteries for unloading.

[0036] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including 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.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A lithium battery bottom welding device, comprising a workbench (1), characterized in that: The lower surface of the workbench (1) is fixedly connected to a support leg (2), the upper surface of the workbench (1) is provided with a positioning groove (14), the workbench (1) is slidably connected to a positioning platform (3) via the positioning groove (14), the outer side of the workbench (1) is fixedly connected to a support frame (4), the upper surface of the support frame (4) is fixedly connected to a cylinder (5), the cylinder (5) is fixedly connected to one end of a telescopic rod (6) via an output end, the other end of the telescopic rod (6) is fixedly connected to a positioning plate (7), the fixed The lower surface of the positioning plate (7) is fixedly connected to a welder (8), the upper surface of the workbench (1) is fixedly connected to a feeding mechanism (9), the upper surface of the workbench (1) is fixedly connected to a triangular block (10), a clamping mechanism (11) is arranged inside the positioning platform (3), the upper surface of the workbench (1) is fixedly connected to a hydraulic cylinder (12), the hydraulic cylinder (12) is fixedly connected to one end of a telescopic rod (13) through an output end, and the other end of the telescopic rod (13) is fixedly connected to the right side of the positioning platform (3).

2. A lithium battery bottom welding device according to claim 1, characterized in that: The unloading mechanism (9) comprises a driving motor (91), a driving gear (92), a positioning shaft (93), a driven gear 1 (94), a driven gear 2 (95), an electric slide rail (96), an unloading plate (97) and a push plate (98); the upper surface of the workbench (1) is fixedly connected with the driving motor (91); the output end of the driving motor (91) is fixedly connected with the driving gear (92); the driving gear (92) is meshingly connected with the driven gear 1 (94); the upper surface of the workbench (1) is fixedly connected with the driving motor (91); The surface is fixedly connected with two positioning shafts (93), the driven gear one (94) is meshingly connected with the driven gear two (95), and the driven gear one (94) and the driven gear two (95) are respectively sleeved on the outer side of the positioning shaft (93), the driven gear one (94) and the driven gear two (95) are respectively fixedly connected with an electric slide rail (96), the end of the electric slide rail (96) is fixedly connected with a blanking plate (97), and the side of the electric slide rail (96) is slidably connected with a push plate (98) through a slider.

3. A lithium battery bottom welding device according to claim 2, characterized in that: The clamping mechanism (11) comprises a movable rod (111), a clamping plate (112), a limit plate (113) and a return spring (114); the movable rod (111) is movably connected inside the positioning platform (3); the left side of the movable rod (111) is fixedly connected to the clamping plate (112); the outer side of the movable rod (111) is fixedly connected to the limit plate (113); the right side of the limit plate (113) is fixedly connected to the return spring (114); and the return spring (114) is installed inside a cavity provided on the workbench (1).

4. A lithium battery bottom welding device according to claim 3, characterized in that: The positioning platform (3) is provided with a mounting groove (31) inside, and a guide groove (32) is provided inside the positioning platform (3), and the guide groove (32) is communicated with the mounting groove (31), and the positioning platform (3) is slidably connected to a connecting ring (33) via the guide groove (32).

5. A lithium battery bottom welding device according to claim 4, characterized in that: Two triangular blocks (10) are provided in total, and the distance between the two triangular blocks (10) is equal to the width of the positioning platform (3).

6. A lithium battery bottom welding device according to claim 5, characterized in that: The positioning platform (3) is provided with a plurality of positioning grooves (14), and a matching space is reserved in the middle of the positioning platform (3) corresponding to the blanking plate (97).

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