Lithium battery welding seam quality detection device

Abstract

The utility model discloses a lithium battery weld quality detection device, which comprises a mounting bottom plate and a plate-type conveyor belt arranged at the top of the mounting bottom plate, a mounting rack is fixedly arranged at the top of the mounting bottom plate, an electric guide rail I is fixedly arranged on the inner wall of the mounting rack, a mounting frame is arranged on the electric guide rail I in a sliding manner, and a plurality of electric guide rails II are arranged on the mounting frame. A servo motor is fixedly mounted on the back face of the mounting frame, and an output shaft of the servo motor penetrates through and extends into the mounting frame. According to the utility model, the welding seam position is determined through the industrial camera, the detection is accurate, automatic detection is realized, personnel operation steps are reduced, the electric push rod accurately positions the detection probe by means of the pressure sensor, the detection probe can move at any position, and accurate detection of the lithium battery welding seam can be realized. And meanwhile, the annular frame can quickly center and position the lithium batteries, the distance can be adjusted to adapt to different specifications, the lithium batteries are convenient to place and take, and the whole detection process is efficient, accurate and convenient to operate.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery weld joint detection technical field, concretely relates to a lithium battery weld joint quality detection device. BACKGROUND

[0002] Lithium battery is more extensive in new energy automobile, consumer electronics and other fields, and the connection of lithium battery positive and negative is generally completed through welding, and currently laser welding is mainly adopted, and due to the strong heating effect of laser, electrode material is rapidly heated to the melting point or even exceeds the melting point when welding electrode sheet, and then the electrode material is combined to form a weld joint. In the flow line welding operation, in order to ensure the weld joint quality, the weld joint needs to be detected after welding;

[0003] Patent application number CN2023215645653 discloses a kind of lithium battery weld joint quality detection device, comprising: plate conveyor, ultrasonic flaw detection equipment, line laser measurement equipment;Ultrasonic flaw detection equipment includes ultrasonic probe and the control display terminal electrically connected with ultrasonic probe;Line laser measurement equipment includes line laser probe and display, and line laser probe is connected with display by control box;Plate conveyor one side is provided with support frame, and support frame top front end is vertically downward and is provided with detection arm one and detection arm two;Detection arm one lower end is provided with electric telescopic cylinder;Detection arm two lower end is installed laser probe;Electric telescopic cylinder lower end is equipped with X direction adjusting mechanism;X direction adjusting mechanism is installed pressure sensor by fixed frame, and pressure sensor bottom is installed ultrasonic probe.The device simultaneously realizes the detection of lithium battery weld joint appearance and internal defect;Detection process is automatically realized, improves quality inspection efficiency and the quality of product of factory.

[0004] The structure is limited by setting X and Y axis adjusting mechanism to lithium battery, and can be adapted to different lithium batteries, but in actual operation, the structure has multiple groups of consistent precision debugging difficulties and large personnel labor, and manual attention is needed when placing and taking, which is relatively inconvenient, and the structure detection probe position adjustment is not flexible enough, and the weld joint detection of lithium battery sealing welding is not comprehensive enough. UTILITY MODEL CONTENTS

[0005] In view of the problems in the prior art, the purpose of the utility model is to provide a lithium battery weld joint quality detection device to solve the problems in the background art.

[0006] To achieve the above-mentioned purpose, the utility model adopts the following technical solutions.

[0007] The utility model provides a kind of lithium battery weld quality detection device, including installation base plate and the plate conveyer belt being installed on its top, the top of the installation base plate is fixedly installed with mounting bracket, the inner wall of the mounting bracket is fixedly installed with electric guide rail one, the electric guide rail one is slidably installed with mounting frame, the back of the mounting frame is fixedly installed with servo motor, the output shaft of the servo motor penetrates and extends to the inside of mounting frame, the output shaft of the servo motor is fixedly connected with screw rod, the screw rod is threadedly connected with movable seat, the bottom of the movable seat is fixedly installed with electric push rod, the bottom end of the electric push rod is movably installed with detection probe, the inner wall of the mounting bracket is fixedly installed with industrial camera, the inner wall of the mounting bracket is installed with processor, the back of the mounting bracket is fixedly installed with display panel, and the industrial camera, plate conveyer belt, electric guide rail one, limiting component, servo motor and electric push rod are all signal connected with processor.

[0008] The limiting component includes two annular frames, the annular frames are slidably connected to the top of the installation base plate, two electric guide rails two are fixedly installed on the top of the installation base plate, the annular frames are slidably installed on the electric guide rails two, and the annular frames are sleeved on the outside of the plate conveyer belt.

[0009] As a further description of the above technical solution: the top of the mounting bracket is fixedly installed with a buzzer, and the buzzer is signal connected with the processor.

[0010] As a further description of the above technical solution: a through slot is formed in the back of the mounting bracket, and the servo motor is located in the through slot.

[0011] As a further description of the above technical solution: the opposite side surfaces of the two annular frames are smooth.

[0012] As a further description of the above technical solution: the movable seat is slidably connected with the inner wall of the mounting frame.

[0013] As a further description of the above technical solution: a pressure sensor is installed at the bottom end of the electric push rod, the pressure sensor is signal connected with the processor, and the top of the detection probe is in contact with the pressure sensor.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] In the utility model, the weld position is determined by the industrial camera, the detection is accurate, the automatic detection reduces the personnel operation steps, the electric push rod is used to accurately position the detection probe by means of the pressure sensor and realize the movement of the detection probe at any position, the accurate detection of the lithium battery weld can be realized, the annular frame can quickly center and position the lithium battery, the spacing can be adjusted to adapt to different specifications, the lithium battery is convenient to place and take, and the whole detection process is efficient, accurate and convenient to operate. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a schematic diagram of the three-dimensional structure of the present application;

[0017] Figure 2 is a schematic diagram of the front view cross-sectional structure of the present application;

[0018] Figure 3 is a schematic diagram of the side view cross-sectional structure of the present application;

[0019] Figure 4 is a schematic diagram of the principle of the present application.

[0020] Explanation of reference numerals in the drawing:

[0021] 1, mounting bottom plate; 2, plate type conveying belt; 3, mounting frame; 4, electric guide rail one; 5, mounting frame; 6, servo motor; 7, screw; 8, movable seat; 9, electric push rod; 10, detection probe; 11, industrial camera; 12, processor; 13, display panel; 14, limiting assembly; 1401, annular frame; 1402, electric guide rail two; 15, buzzer; 16, through groove; 17, pressure sensor. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application.

[0023] Please refer to Figures 1-4 In the present application, a lithium battery weld quality detection device comprises a mounting bottom plate 1 and a plate type conveying belt 2 mounted on the top of the mounting bottom plate 1. The top of the mounting bottom plate 1 is fixedly provided with a mounting frame 3. An electric guide rail one 4 is fixedly installed on the inner wall of the mounting frame 3. A mounting frame 5 is slidably installed on the electric guide rail one 4. A servo motor 6 is fixedly installed on the back of the mounting frame 5. The output shaft of the servo motor 6 extends through and into the inside of the mounting frame 5. A screw 7 is fixedly connected to the output shaft of the servo motor 6. A movable seat 8 is threadedly connected to the screw 7. An electric push rod 9 is fixedly installed at the bottom of the movable seat 8. A detection probe 10 is movably installed at the bottom end of the electric push rod 9. An industrial camera 11 is fixedly installed on the inner wall of the mounting frame 3. A processor 12 is installed on the inner wall of the mounting frame 3. A display panel 13 is fixedly installed on the back of the mounting frame 3. The industrial camera 11, the plate type conveying belt 2, the electric guide rail one 4, the limiting assembly 14, the servo motor 6 and the electric push rod 9 are all signal connected to the processor 12.

[0024] The limiting assembly 14 comprises two annular frames 1401 which are slidingly connected to the top of the mounting bottom plate 1, two electric guide rails two 1402 are fixedly installed on the top of the mounting bottom plate 1, the annular frames 1401 are slidingly installed on the electric guide rails two 1402, and the annular frames 1401 are sleeved on the outer side of the plate-type conveying belt 2.

[0025] A buzzer 15 is fixedly installed on the top of the mounting frame 3 and is signal connected with the processor 12, the movable seat 8 is slidingly connected with the inner wall of the mounting frame 5, the opposite side surfaces of the two annular frames 1401 are smooth, the bottom end of the electric push rod 9 is provided with a pressure sensor 17 which is signal connected with the processor 12, and the top of the detection probe 10 is in contact with the pressure sensor 17.

[0026] When the lithium battery welding seam quality detection operation is needed, the user places the lithium battery on the plate-type conveying belt 2, the plate-type conveying belt 2 conveys the lithium battery to the direction of the mounting frame 3, the industrial camera 11 on the inner wall of the mounting frame 3 collects images of the plate-type conveying belt 2, and transmits the image information to the processor 12, the processor 12 judges whether the lithium battery is conveyed to the bottom of the mounting frame 3 by the plate-type conveying belt 2 according to the image collected by the industrial camera 11, when the lithium battery reaches the specified position, the processor 12 controls the plate-type conveying belt 2 to stop running, and the processor 12 analyzes the picture collected by the industrial camera 11 to determine the position of the lithium battery sealing seam.

[0027] In the above process, the two sides of the lithium battery are in contact with the two annular frames 1401, and the smooth annular frames 1401 limit the lithium battery, the distance between the two annular frames 1401 can be adjusted to quickly center the lithium battery, if the detection specification of the lithium battery is changed, the displacement of the annular frames 1401 driven by the electric guide rails two 1402 can change the distance to achieve adaptation, and convenience is provided when the user places and takes the lithium battery.

[0028] After determining the position of the weld, the processor 12 controls the servo motor 6 on the back of the mounting frame 5 to start, and the output shaft of the servo motor 6 drives the screw rod 7 to rotate, and the movable seat 8 threaded on the screw rod 7 moves in the front and back directions on the inner wall of the mounting frame 5 under the rotation of the screw rod 7, when the movable seat 8 moves to the appropriate position, the processor 12 controls the electric push rod 9 at the bottom of the movable seat 8 to start, the electric push rod 9 extends downward, and the pressure sensor 17 at the bottom end of the electric push rod 9 triggers when the detection probe 10 contacts the weld and feeds back the pressure signal to the processor 12, when the pressure reaches the set value, the electric push rod 9 stops extending, at this time, the detection probe 10 reaches the appropriate detection position, the detection probe 10 adopts ultrasonic detection, and the detection result is also displayed on the display panel 13 on the back of the mounting frame 3, and in the detection process, the mounting frame 5 is driven to move laterally by the electric guide rail 4, so that the detection probe 10 can detect the weld for one round, thereby improving the detection accuracy.

[0029] In the utility model, the industrial camera 11 is used to determine the position of the weld, the detection is accurate, automatic detection is realized to reduce the operation steps of personnel, the electric push rod 9 is used to accurately position the detection probe 10 by the pressure sensor 17 and realize the movement of the detection probe 10 at any position, the accurate detection of the weld of the lithium battery can be realized, the annular frame 1401 can be used to quickly center and position the lithium battery, the spacing can be adjusted to adapt to different specifications, the lithium battery is convenient to place and take, and the whole detection process is efficient, accurate and convenient to operate.

[0030] Please refer to Figure 1 and 1 Wherein: the top of the mounting frame 3 is fixedly provided with a buzzer 15, and the buzzer 15 is signal connected with the processor 12.

[0031] In the utility model, if the weld has quality problems in the detection process, the processor 12 controls the buzzer 15 at the top of the mounting frame 3 to send an alarm signal, so as to facilitate the prompt to the user.

[0032] The above is only a preferred specific embodiment of the utility model; however, the protection scope of the utility model is not limited to this. Any skilled person in the art can make equivalent replacement or change according to the technical scheme and the improvement concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A lithium battery weld seam quality detection device, comprising a mounting base plate (1) and a plate conveyor belt (2) mounted on the top of the mounting base plate, characterized in that: A mounting bracket (3) is fixedly mounted on the top of the mounting base plate (1). An electric guide rail (4) is fixedly mounted on the inner wall of the mounting bracket (3). A mounting frame (5) is slidably mounted on the electric guide rail (4). A servo motor (6) is fixedly mounted on the back of the mounting frame (5). The output shaft of the servo motor (6) passes through and extends into the interior of the mounting frame (5). A lead screw (7) is fixedly connected to the output shaft of the servo motor (6). A movable seat (8) is threaded onto the lead screw (7). The bottom of the movable seat (8) An electric push rod (9) is fixedly installed on the part of the mounting bracket (3). A detection probe (10) is movably installed at the bottom end of the electric push rod (9). An industrial camera (11) is fixedly installed on the inner wall of the mounting bracket (3). A processor (12) is installed on the inner wall of the mounting bracket (3). A display panel (13) is fixedly installed on the back of the mounting bracket (3). The industrial camera (11), the plate conveyor belt (2), the electric guide rail (4), the limit component (14), the servo motor (6), and the electric push rod (9) are all connected to the processor (12) via signal. The limiting component (14) includes two annular frames (1401), which are slidably connected to the top of the mounting base plate (1). Two electric guide rails (1402) are fixedly installed on the top of the mounting base plate (1). The annular frames (1401) are slidably installed on the electric guide rails (1402). The annular frames (1401) are sleeved on the outside of the plate conveyor belt (2).

2. The lithium battery weld quality detection device of claim 1, wherein: A buzzer (15) is fixedly mounted on the top of the mounting bracket (3), and the buzzer (15) is connected to the processor (12) via signal.

3. The lithium battery weld quality detection device of claim 1, wherein: The mounting bracket (3) has a through slot (16) on its back side, and the servo motor (6) is located inside the through slot (16).

4. The lithium battery weld quality detection device of claim 1, wherein: The surfaces of the two annular frames (1401) on opposite sides are smooth.

5. The lithium battery weld quality detection device of claim 1, wherein: The movable seat (8) is slidably connected to the inner wall of the mounting frame (5).

6. The lithium battery weld quality detection device of claim 1, wherein: A pressure sensor (17) is installed at the bottom of the electric push rod (9). The pressure sensor (17) is connected to the processor (12) via signal. The top of the detection probe (10) is in contact with the pressure sensor (17).

Images