Square battery module welding tool device

Abstract

The utility model relates to a square battery module welding device in the field of battery module welding, which comprises a bakelite base plate, a module pressing plate, a support frame, a limiting stopper and an air cylinder component, the module pressing plate, the support frame, the limiting stopper and the air cylinder component are fixed on a laser machine welding table through connecting blocks and bolts, and the laser machine welding table is provided with a bull eye. And the bakelite base plate provided with the module can conveniently move on the welding platform. According to the utility model, through device positioning, the welding point location is more accurate, and the product consistency is improved; the pressing nozzle effectively prevents welding slag from splashing and falling into the module to cause bad products; the bakelite base plate and the module pressing plate can be conveniently and rapidly switched according to different welding stations through the bull eyes and the air cylinders, and the production efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery module welding field especially relates to a square battery module welding device. BACKGROUND

[0002] The safety performance of battery module is an important problem that manufacturers care about, and laser welding, as a very important process link in battery production, has a great influence on the safety, compression resistance and product stability of the battery.

[0003] In the prior art, manual welding positioning is adopted during the production module welding stage, but due to the difference and instability of personnel, it is impossible to quickly and accurately position, resulting in slow operation speed, low production efficiency, many human operation errors and low product quality.

[0004] Therefore, there is a lack of a square battery module welding device to realize automatic integrated welding of a laser welding machine, accurate positioning, fast welding speed, improved production efficiency and improved product quality. UTILITY MODEL CONTENTS

[0005] The utility model relates to a square battery module welding device.

[0006] A square battery module welding device, comprising a bakelite base plate, a limiting block, a cylinder assembly, a support frame and a module pressing plate.

[0007] The limiting block, the cylinder assembly, the support frame and the module pressing plate are fixed on the laser machine welding table through connecting blocks and bolts, and the laser machine welding table is provided with a bull's eye.

[0008] The bakelite base plate bears the module, the limiting block limits the movement position of the module in the y-axis direction, the limiting block controls the movement of the module pressing plate in the z-axis direction, and the support frame supports the module pressing plate.

[0009] Further, a square battery module welding device, the left and right sides above the bakelite base plate are respectively provided with a cylinder assembly and a support frame, the limiting block positions the movement position of the module in the z-axis direction, and the module pressing plate presses the middle aluminum row of the module.

[0010] The top of the cylinder assembly and the support frame is provided with a bakelite base plate.

[0011] Further, a square battery module welding device, the bakelite base plate is composed of a main bottom plate, a quick clamp one, an end plate rotary positioning block, a positioning plate and a quick clamping clamp.

[0012] The quick clamp one, the end plate rotary positioning block and the quick clamping clamp are arranged on one side of the main bottom plate, and the positioning plate is arranged on the other side of the main bottom plate.

[0013] The main base plate carries the module, the quick clamp one, the positioning plate and the quick clamp together limit the positioning of the module in the x / y axis direction.

[0014] Further, a square battery module welding device, the limiting block is composed of a limiting plate and a fixing seat;

[0015] The limiting plate and the fixing seat are fixedly connected by bolts;

[0016] The upper part of the fixing seat is connected with three limiting plates below.

[0017] Further, a square battery module welding device, the cylinder assembly is composed of a pressing cylinder and a positioning cylinder;

[0018] The pressing cylinder is connected with a support frame and a module pressing plate, and the pressing cylinder is arranged above the positioning cylinder.

[0019] Further, a square battery module welding device, the support frame is composed of a transmission shaft, a bearing seat, a support plate, a limiting strip, a bottom plate and a quick clamp two;

[0020] The quick clamp two, the support plate and the limiting strip are arranged on the bottom plate by bolts, the support plate supports the bearing seat at both ends, and the transmission shaft is arranged above both ends of the bearing seat;

[0021] The transmission shaft and the module pressing plate are connected by bolts, and the limiting strip and the quick clamp two limit the movement of the module in the x / y axis direction.

[0022] Further, a square battery module welding device, the module pressing plate is composed of a pressing disc fixing plate, a pressing disc, an intermediate partition plate, a reinforcing strip, a positioning strip, a pressing nozzle and a linear bearing;

[0023] The reinforcing strip divides two rows of pressing nozzles, and four linear bearings are arranged around the pressing disc fixing plate;

[0024] The pressing nozzle contains a spring;

[0025] The pressing disc is locked on the intermediate partition plate by bolts, a plurality of pressing nozzles are fixed on the pressing disc by bolts, and the positioning strip and the intermediate partition plate are fixed on the pressing disc fixing plate by bolts.

[0026] Further, a square battery module welding device, the limiting block and the quick clamp two on the support frame together form the positioning of the module in the y axis direction.

[0027] Further, a square battery module welding device, the pressing cylinder is arranged in the middle of the transmission shaft, and the positioning cylinder is arranged on the bottom plate.

[0028] The utility model discloses a square battery module welding device has the advantages that: through the device positioning, welding point is more accurate, improves product consistency, the mouth of pressing design effectively avoids the welding slag splashing and falling into the module to cause product defective, improves product yield, the design of bull's eye and cylinder makes bakelite cushion plate and module pressing plate according to different welding station switching convenient and fast, improves production efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 It is a structure isometric view of square battery module welding device.

[0030] Figure 2 It is a structure front view of square battery module welding device.

[0031] Figure 3 It is a structure plan view of square battery module welding device.

[0032] Figure 4 It is a structure exploded view of square battery module welding device.

[0033] Figure 5 It is a structure front view of bakelite cushion plate.

[0034] Figure 6 It is a structure isometric view of bakelite cushion plate.

[0035] Figure 7 It is a structure isometric view of limit stop.

[0036] Figure 8 It is a structure isometric view of cylinder assembly.

[0037] Figure 9 It is a structure isometric view of support frame.

[0038] Figure 10 It is a structure isometric view of module pressing plate.

[0039] In the drawing: 1-bakelite cushion plate, 2-limit stop, 3-cylinder assembly, 4-support frame, 5-module pressing plate.

[0040] 11-main base plate, 12-quick clamp one, 13-end plate rotation positioning block, 14-positioning plate, 15-quick jacking clamp, 21-limiting plate, 22-fixing seat, 31-pressing cylinder, 32-positioning cylinder, 41-transmission shaft, 42-bearing seat, 43-supporting plate, 44-limiting strip, 45-bottom plate, 46-quick clamp two, 51-pressing disc fixing plate, 52-pressing disc, 53-intermediate partition, 54-strengthening strip, 55-positioning strip, 56-pressing nozzle, 57-linear bearing. DETAILED DESCRIPTION

[0041] In order to have a clearer understanding of the technical features, purposes and effects of the utility model, the specific implementation mode of the utility model will be explained by referring to the drawings.

[0042] As shown in the accompanying Figures 1-4 A square battery module welding device, including bakelite cushion plate 1, limit block 2, cylinder assembly 3, support frame 4, module pressing plate 5;

[0043] The limit block 2, cylinder assembly 3, support frame 4 and module pressing plate 5 are fixed on the laser machine welding table through connecting blocks and bolts, and the laser machine welding table is provided with a bull's eye;

[0044] The bakelite cushion plate 1 bears the module, the limit block 2 limits the moving position of the module in the y-axis direction, the limit block 2 controls the z-axis direction movement of the module pressing plate 5, and the support frame 4 supports the module pressing plate 5.

[0045] Further, a square battery module welding device, the upper left and right sides of the bakelite cushion plate 1 are respectively provided with cylinder assembly 3 and support frame 4, the limit block 2 positions the moving position of the module in the z-axis direction, and the module pressing plate 5 presses the middle aluminum row of the module.

[0046] The upper part of the cylinder assembly 3 and the support frame 4 is provided with the bakelite cushion plate 1.

[0047] As shown in the accompanying Figures 5-6 A square battery module welding device, the bakelite cushion plate 1 is composed of main bottom plate 11, quick clamp one 12, end plate rotary positioning block 13, positioning plate 14 and quick tightening clamp 15;

[0048] The quick clamp one 12, end plate rotary positioning block 13 and quick tightening clamp 15 are arranged on one side of the main bottom plate 11, and the positioning plate 14 is arranged on the other side of the main bottom plate 11.

[0049] The main bottom plate 11 bears the module, and the quick clamp one 12, positioning plate 14 and quick tightening clamp 15 jointly limit the positioning of the module in the x / y-axis direction.

[0050] As shown in the accompanying Figure 7 A square battery module welding device, the limit block 2 is composed of limit plate 21 and fixed seat 22;

[0051] The limit plate 21 and the fixed seat 22 are fixedly connected through bolts;

[0052] The upper part of the fixed seat 22 is connected with three limit plates 21 below.

[0053] As shown in the accompanying Figure 8As shown, a square battery module welding device, the cylinder assembly 3 is composed of a pressing cylinder 31 and a positioning cylinder 32;

[0054] The pressing cylinder 31 is connected to the support frame and the module pressing plate 5, and the pressing cylinder 31 is arranged above the positioning cylinder 32.

[0055] As shown in the accompanying Figure 9 As shown, a square battery module welding device, the support frame 4 is composed of a transmission shaft 41, a bearing seat 42, a support plate 43, a limiting strip 44, a bottom plate 45 and a quick clamp two 46;

[0056] The quick clamp two 46, the support plate 43 and the limiting strip 44 are arranged on the bottom plate 45 through bolts, the support plate 43 supports the bearing seat 42 at both ends, and the transmission shaft 41 is arranged above both ends of the bearing seat 42;

[0057] The transmission shaft 41 and the module pressing plate 5 are connected by bolts, and the limiting strip 44 and the quick clamp two 46 limit the movement of the module in the x / y axis direction.

[0058] As shown in the accompanying Figure 10 As shown, a square battery module welding device, the module pressing plate 5 is composed of a pressing disc fixed plate 51, a pressing disc 52, an intermediate partition plate 53, a reinforcing strip 54, a positioning strip 55, a pressing nozzle 56 and a linear bearing 57;

[0059] The reinforcing strip 54 divides two rows of pressing nozzles 56, and four linear bearings 57 are arranged around the pressing disc fixed plate 51 respectively;

[0060] The pressing nozzle 56 contains a spring;

[0061] The pressing disc 52 is locked on the intermediate partition plate 53 by bolts, and a plurality of pressing nozzles 56 are fixed on the pressing disc 52 by bolts, and the positioning strip 55 and the intermediate partition plate 53 are fixed on the pressing disc fixed plate 51 by bolts.

[0062] Further, a square battery module welding device, the limiting block 2 and the quick clamp two 46 on the support frame 4 together form the positioning of the module in the y axis direction.

[0063] Further, a square battery module welding device, the pressing cylinder 31 is arranged in the middle of the transmission shaft 41, and the positioning cylinder 32 is arranged on the bottom plate 45.

[0064] Specific embodiment 1, a square battery module welding device, the material composition is:

[0065] The main bottom plate has a thickness of 20mm, which is shaped by machining thick wood, has good carrying capacity and low price,

[0066] The pressing disc fixing plate 51, the intermediate partition plate 53 and the reinforcing strip 54 are made of steel material and can bear force;

[0067] The support plate 43, the limiting strip 44 and the bottom plate 45 are made of steel material and can bear force, so that deformation does not occur during pressing;

[0068] The limiting plate 21 is made of bakelite, and the fixing seat 22 is formed by machining a steel plate;

[0069] Specific embodiment 2 is a square battery module welding device, and the implementation principle is:

[0070] The quick clamp 12, the positioning plate 14 and the quick clamping fixture 15 jointly control the positioning of the module in the x / y axis direction, so that the module is prevented from moving on the bakelite base plate 1, the laser machine welding table is provided with a bull's eye, so that the bakelite base plate 1 provided with the module can be conveniently moved on the welding platform, the pressing nozzle 56 is a telescopic structure provided with a spring, which is contracted under stress during pressing, so that each welding point is subjected to pressing force, the pressing disc 52 is locked on the intermediate partition plate 53 through bolts, and the positioning strip 55 and the intermediate partition plate 53 are fixed on the pressing disc fixing plate 51 through bolts, so as to form the whole module pressing plate structure, the cylinder base is installed on the connecting plate, the limiting strip 44 and the quick clamp 46 prevent the module from moving in the x / y axis direction, when the pressing cylinder 31 works, the module pressing plate 5 is pressed, so that the series aluminum row and the battery core pole are tightly pressed together, when the positioning cylinder 32 works, the module is pressed, so as to prevent the module from moving in the y axis direction.

[0071] The square battery module welding device is used for positioning, the welding point is more accurate, the product consistency is improved, the pressing nozzle is designed to effectively prevent welding slag from splashing into the module and causing product defects, the product yield is improved, and the bull's eye and the cylinder are designed to make the bakelite base plate and the module pressing plate switch conveniently and quickly according to different welding positions, and the production efficiency is improved.

[0072] The basic principle and main features of the utility model and the advantages of the utility model are shown and described. It should be understood by those skilled in the art that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only used to illustrate the principle of the utility model, and various changes and improvements can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model. The protection scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A square battery module welding device, characterized by, Including bakelite cushion plate (1), limit block (2), cylinder assembly (3), support frame (4), module pressing plate (5); The limit block (2), cylinder assembly (3), support frame (4), module pressing plate (5) are all fixed on the laser machine welding table through connecting blocks and bolts, and the laser machine welding table is provided with a bull's eye; The bakelite cushion plate (1) bears the module, the limit block (2) limits the moving position of the module in the y-axis direction, the limit block (2) controls the z-axis direction movement of the module pressing plate (5), and the support frame (4) supports the module pressing plate (5).

2. A square battery module welding apparatus as set forth in claim 1, wherein The left and right sides above the bakelite cushion plate (1) are respectively provided with a cylinder assembly (3) and a support frame (4), the limit block (2) positions the moving position of the module in the z-axis direction, and the module pressing plate (5) presses the middle aluminum row of the module; The top of the cylinder assembly (3) and the support frame (4) is provided with the bakelite cushion plate (1).

3. A square battery module welding apparatus as claimed in claim 1, wherein The bakelite cushion plate (1) is composed of a main bottom plate (11), a quick clamp (12), an end plate rotary positioning block (13), a positioning plate (14) and a quick clamping clamp (15); The quick clamp (12), the end plate rotary positioning block (13) and the quick clamping clamp (15) are arranged on one side of the main bottom plate (11), and the positioning plate (14) is arranged on the other side of the main bottom plate (11); The main bottom plate (11) bears the module, and the quick clamp (12), the positioning plate (14) and the quick clamping clamp (15) jointly limit the positioning of the module in the x / y-axis direction.

4. A square battery module welding apparatus as set forth in claim 1, wherein The limit block (2) is composed of a limiting plate (21) and a fixed seat (22); The limiting plate (21) and the fixed seat (22) are fixedly connected through bolts; The top of the fixed seat (22) is connected with three limiting plates (21) below.

5. A square battery module welding apparatus as claimed in claim 1, wherein The cylinder assembly (3) is composed of a pressing cylinder (31) and a positioning cylinder (32); The pressing cylinder (31) is connected with the support frame and the module pressing plate (5), and the pressing cylinder (31) is arranged above the positioning cylinder (32).

6. A square battery module welding apparatus as set forth in claim 1, wherein The support frame (4) is composed of a transmission shaft (41), a bearing seat (42), a support plate (43), a limiting strip (44), a bottom plate (45) and a quick clamp (46); The quick clamp (46), the support plate (43) and the limiting strip (44) are all arranged on the bottom plate (45) through bolts, the support plate (43) supports both ends of the bearing seat (42), and the transmission shaft (41) is arranged above both ends of the bearing seat (42); The transmission shaft (41) and the module pressing plate (5) are connected through bolts, and the limiting strip (44) and the quick clamp (46) limit the movement of the module in the x / y-axis direction.

7. A square battery module welding apparatus as set forth in claim 1, wherein The module pressing plate (5) is composed of a pressing disc fixed plate (51), a pressing disc (52), an intermediate partition plate (53), a reinforcing strip (54), a positioning strip (55), a pressing nozzle (56) and a linear bearing (57); The reinforcing strip (54) divides two rows of pressing nozzles (56), and four linear bearings (57) are arranged around the pressing disc fixed plate (51); The pressing nozzle (56) contains a spring; The pressing disc (52) is bolted on the middle partition plate (53), and a plurality of pressing nozzles (56) are fixed on the pressing disc (52) by bolts.

8. A square battery module welding apparatus as defined in claim 4, wherein The limiting stopper (2) and the quick clamp two (46) on the support frame (4) jointly form the positioning of the module in the y-axis direction.

9. A square battery module welding apparatus as defined in claim 5, wherein The pressing cylinder (31) is arranged in the middle of the transmission shaft (41), and the positioning cylinder (32) is arranged on the bottom plate (45).

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