Battery shell air tightness detection equipment

Abstract

The utility model discloses battery shell air tightness detection equipment, which relates to the field of air tightness detection equipment and comprises a machine body, a mounting seat is arranged at the inner bottom end of the machine body, a rotating assembly matched with the machine body is arranged at the top end of the mounting seat, and a plurality of placing trays are uniformly arranged at the top end of the rotating assembly; a driving part matched with the machine body is arranged on one side of the containing disc, a clamping part is arranged at the bottom end of the driving part, and clamping plates are arranged on the two sides of the bottom end of the clamping part. An air tightness detection chamber matched with the machine body is formed in the bottom of the clamping plate, a battery shell is arranged in the air tightness detection chamber, an adjusting part matched with the machine body is arranged at the bottom end of the air tightness detection chamber, a detection air pipe is inserted into the top of the adjusting part, and an electromagnetic valve is arranged in the middle of the detection air pipe; and a detection port matched with the detection air pipe is formed in one side of the bottom of the airtightness detection chamber. According to the utility model, through automatic transmission and control, high-efficiency, stable and accurate operation of air tightness detection of the battery shell is realized.

Description

Technical Field

[0001] The utility model relates to the field of air tightness detection equipment, in particular to battery shell air tightness detection equipment. Background Art

[0002] With the continuous development of new energy storage and power supply technologies, power battery packs have gradually been widely used in various fields. Typically, a power battery pack consists of a battery pack housing and battery modules mounted in a battery tray. The sealing performance of the battery pack housing is one of the key indicators for evaluating the quality of the entire power battery pack.

[0003] Existing technologies require inspecting each battery casing individually, consuming significant time and manpower. Manual testing for battery casing airtightness is inefficient and difficult to adapt to large-scale production. Furthermore, operators are prone to missing inspections due to fatigue or negligence, increasing risks to product quality and safety.

[0004] Currently, no effective solutions have been proposed for the problems in related technologies. Utility Model Content

[0005] In response to the problems in the related art, the present invention proposes a battery housing airtightness detection device to overcome the above technical problems existing in the existing related art.

[0006] To this end, the specific technical solutions adopted in this utility model are as follows:

[0007] The battery shell air tightness testing equipment includes a body, a mounting seat is provided at the inner bottom end of the body, a rotating assembly matching the body is provided at the top of the mounting seat, and a number of placement plates are evenly provided on the top of the rotating assembly; a driving member matching the body is provided on one side of the placement plate, a clamping member is provided at the bottom end of the driving member, and splints are provided on both sides of the bottom end of the clamping member; an airtightness testing chamber matching the body is provided at the bottom of the splint, a battery shell is provided inside the airtightness testing chamber, an adjusting member matching the body is provided at the bottom end of the airtightness testing chamber, a testing air pipe is inserted at the top of the adjusting member, and an electromagnetic valve is provided in the middle of the testing air pipe; a testing port matching the testing air pipe is provided on one side of the bottom of the airtightness testing chamber, a mounting frame is provided on the outside of the driving member, and a discharge tray is provided on one side of the middle of the mounting frame.

[0008] Furthermore, in order to complete the placement of the battery shell and rotate the battery shell after placement to achieve automated detection, the rotating assembly includes a reduction motor arranged at the top of the mounting base, and a pulley 1 is provided at the output shaft end of the reduction motor. The pulley 1 is connected to the pulley 2 through a belt, and a rotating shaft is inserted in the middle of the pulley 2. The top of the rotating shaft is provided with a rotating disk that cooperates with several placement disks.

[0009] Furthermore, in order to clamp the battery shell in the placement tray and maintain the stability of transportation during the clamping process, the battery shell is stably placed in the airtight detection chamber and the airtightness detection of the airtight detection chamber is completed, the driving member is composed of a transverse driving member and a longitudinal driving member; wherein, the transverse driving member includes a cylinder 1 arranged on one side of the interior of the mounting frame, a slider is provided at one end of the output shaft of the cylinder 1, and a connecting plate that cooperates with the longitudinal driving member is provided at the top of the slider; the longitudinal driving member includes a mounting vertical plate arranged on one side of the connecting plate, a cylinder 2 is provided at the top of the mounting vertical plate, and a connecting frame plate that cooperates with the clamping member is provided at the output end of the cylinder 2.

[0010] Furthermore, in order to clamp the battery shell in the placement tray and maintain the stability of transportation during the clamping process, the battery shell is stably placed in the airtight detection chamber and the airtightness detection of the airtight detection chamber is completed, the clamping part includes a mounting plate arranged at the bottom end of the connecting frame plate, the interior of the mounting plate is provided with a mounting cavity, the interior of the mounting cavity is provided with an electric push rod 1, the output shaft end of the electric push rod 1 is provided with a sliding block 1, two groups of connecting rods are provided on one side of the surface of the sliding block 1, and the sliding block 1 is connected to the two groups of sliding blocks 2 through the two groups of connecting rods; the ends of the two groups of connecting rods away from the sliding block 2 are provided with two groups of adjusting rods cooperating with the two groups of clamps, and the middle part of the adjusting rod is interspersed with a limiting rod 2 cooperating with the mounting cavity.

[0011] Furthermore, in order to adjust the position of the detection air pipe, and move the detection air pipe to the detection port during the detection process, and perform air tightness detection on the battery shell inside the airtight detection chamber, the adjustment part includes a slide rail arranged at the top of the body, and an electric push rod 2 is arranged on one side of the top of the slide rail. A sliding block 3 that cooperates with the slide rail is arranged at the digital end of the electric push rod 2, and the top of the sliding block 3 cooperates with the outer wall of the detection air pipe.

[0012] The beneficial effects of the utility model are:

[0013] 1. The utility model realizes efficient, stable and precise operation of battery shell air tightness detection through automatic transmission and control; with the cooperation of the rotating assembly and the placement plate, the battery shell is placed, and the battery shell is rotated after placement to realize automatic detection.

[0014] 2. With the cooperation of the driving part, the clamping part and the splint, the battery shell in the placement tray can be clamped, and the transportation can be kept stable during the clamping process, the battery shell can be stably placed in the airtightness test chamber, and the airtightness test of the airtightness test chamber can be completed.

[0015] 3. Under the action of the adjustment part, the position of the detection air pipe can be adjusted, and when the detection is required, the detection air pipe can be moved to the detection port, and the air tightness of the battery shell inside the airtight detection chamber can be tested. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0017] Figure 1 1 is a schematic structural diagram of a battery housing air tightness detection device according to an embodiment of the present utility model;

[0018] Figure 2 This is a cross-sectional view of a battery housing air tightness detection device according to an embodiment of the present utility model;

[0019] Figure 3 yes Figure 2 A partial enlarged view of point A in the middle;

[0020] Figure 4 yes Figure 2 A partial enlarged view of point B in the middle;

[0021] Figure 5 This is a second cross-sectional view of the battery casing air tightness detection device according to an embodiment of the present utility model;

[0022] Figure 6 This is an assembly diagram of a driving member, a clamping member, and a clamping plate in a battery housing air tightness detection device according to an embodiment of the present utility model;

[0023] Figure 7 yes Figure 6 A partial enlarged view of point C in the middle.

[0024] In the picture:

[0025] 1. Machine body; 2. Mounting base; 3. Rotating assembly; 301. Reducer motor; 302. Pulley 1; 303. Belt; 304. Pulley 2; 305. Rotating shaft; 306. Rotating disk; 4. Placement disk; 5. Driving element; 501. Horizontal driving element; 5011. Cylinder 1; 5012. Slider; 5013. Connecting plate; 502. Longitudinal driving element; 5021. Mounting plate; 5022. Cylinder 2; 5023. Connecting frame plate; 6. Clamping element ;601, mounting plate; 602, mounting cavity; 603, electric push rod one; 604, sliding block one; 605, connecting rod; 606, sliding block two; 607, adjusting rod; 608, limiting rod two; 7, splint; 8, airtightness detection chamber; 9, battery housing; 10, adjusting part; 1001, slide rail; 1002, electric push rod two; 1003, sliding block three; 11, detection air pipe; 12, solenoid valve; 13, detection port; 14, mounting bracket; 15, discharge tray. DETAILED DESCRIPTION

[0026] To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments. They can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. By referring to these contents, ordinary technicians in this field should be able to understand other possible implementation methods and the advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0027] According to an embodiment of the present utility model, a battery casing airtightness detection device is provided.

[0028] The present invention will now be further described with reference to the accompanying drawings and specific embodiments. Figure 1-Figure 7 As shown, the battery shell air tightness detection device according to the embodiment of the present utility model includes a body 1, characterized in that a mounting seat 2 is provided at the inner bottom end of the body 1, a rotating assembly 3 that cooperates with the body 1 is provided at the top of the mounting seat 2, and a plurality of placement plates 4 are evenly provided on the top of the rotating assembly 3; a driving member 5 that cooperates with the body 1 is provided on one side of the placement plate 4, a clamping member 6 is provided at the bottom end of the driving member 5, and a clamping plate 7 is provided on both sides of the bottom end of the clamping member 6; the bottom of the clamping plate 7 is provided with a An airtight detection chamber 8 is matched with the body 1, and a battery shell 9 is provided inside the airtight detection chamber 8. An adjusting part 10 that matches the body 1 is provided at the bottom end of the airtight detection chamber 8, and a detection air pipe 11 is inserted into the top of the adjusting part 10, and a solenoid valve 12 is provided in the middle of the detection air pipe 11; a detection port 13 that matches the detection air pipe 11 is opened on one side of the bottom of the airtight detection chamber 8, and a mounting bracket 14 is provided on the outside of the driving part 5, and a discharge tray 15 is provided on one side of the middle of the mounting bracket 14.

[0029] With the help of the above technical solution, the utility model realizes efficient, stable and precise operation of battery shell air tightness detection through automatic transmission and control; with the cooperation of the rotating component 3 and the placement tray 4, the placement of the battery shell is completed, and the battery shell is rotated after being placed to realize automatic detection. With the cooperation of the driving member 5, the clamping member 6 and the splint 7, the battery shell in the placement tray 4 can be clamped, and the transportation can be kept stable during the clamping process, and the battery shell can be stably placed in the airtight detection chamber 8, and the airtightness detection of the airtight detection chamber 8 is completed; under the action of the adjusting member 10, the position of the detection air pipe 11 can be adjusted, and when the detection is required, the detection air pipe 11 can be moved to the detection port 13, and the battery shell inside the airtight detection chamber 8 is subjected to airtightness detection.

[0030] In one embodiment, for the above-mentioned rotating assembly 3, the rotating assembly 3 includes a reduction motor 301 arranged at the top of the mounting base 2, and the output shaft end of the reduction motor 301 is provided with a pulley 1 302, and the pulley 1 302 is connected to the pulley 2 304 through a belt 303. A rotating shaft 305 is inserted in the middle of the pulley 2 304, and a rotating disk 306 that cooperates with a plurality of placement disks 4 is provided at the top of the rotating shaft 305. Thus, under the cooperation of the rotating assembly 3 and the placement disk 4, the battery shell is placed, and the battery shell is rotated after being placed to realize automatic detection. The working principle of the rotating assembly 3 is as follows:

[0031] First, under the control of the external controller, the reduction motor 301 is controlled and started, and the output shaft of the reduction motor 301 drives the pulley 1 302 to rotate, and drives the pulley 2 304 to rotate through the belt 303. During the rotation of the pulley 2 304, the rotating disk 306 is driven to rotate through the rotating shaft 305, and the several placement disks 4 on the top of the rotating disk 306 are driven to rotate.

[0032] In one embodiment, for the above-mentioned driving member 5, the driving member 5 is composed of a transverse driving member 501 and a longitudinal driving member 502; wherein, the transverse driving member 501 includes a cylinder 1 5011 arranged on one side of the interior of the mounting frame 14, and a slider 5012 is provided at one end of the output shaft of the cylinder 1 5011, and a connecting plate 5013 cooperating with the longitudinal driving member 502 is provided at the top of the slider 5012; the longitudinal driving member 502 includes a mounting vertical plate 5021 arranged on one side of the connecting plate 5013, and a cylinder 2 5022 is provided at the top of the mounting vertical plate 5021, and a connecting frame plate 5023 cooperating with the clamping member 6 is provided at the output end of the cylinder 2 5022, so that under the cooperation of the driving member 5, the clamping member 6 and the clamping plate 7, the battery shell in the placement tray 4 can be clamped, and the transportation can be kept stable during the clamping process, the battery shell can be stably placed in the airtight detection chamber 8, and the airtightness detection of the airtight detection chamber 8 can be completed.

[0033] The working principle of the driving member 5 is as follows: first, according to the position of the placement tray 4, the cylinder 1 5011 is controlled and started by the external controller, and the slider 5012 is pushed to slide horizontally under the action of the output end of the cylinder 1 5011, and the mounting plate 5021 of the longitudinal driving member 502 is driven to move to the top of the placement tray 4 through the connecting plate 5013. At this time, the cylinder 2 5022 is controlled and started, and the output end of the cylinder 2 5022 extends downward, and the battery shell is clamped by the clamping plate 7 at the bottom end of the clamping member 6.

[0034] In one embodiment, the clamping member 6 includes a mounting plate 601 disposed at the bottom end of the connecting frame plate 5023. A mounting cavity 602 is defined within the mounting plate 601. An electric push rod 1 603 is disposed within the mounting cavity 602. A sliding block 1 604 is disposed at one end of the output shaft of the electric push rod 1 603. Two sets of connecting rods 605 are disposed on one side of the surface of the sliding block 1 604. The sliding block 1 604 is connected to two sets of sliding blocks 2 606 via the two sets of connecting rods 605. Two sets of adjusting rods 607 cooperating with the two sets of splints 7 are provided at one end of the two sets of connecting rods 605 away from the sliding block 2 606, and a limiting rod 2 608 cooperating with the installation cavity 602 is inserted through the middle of the adjusting rod 607. Therefore, under the cooperation of the driving member 5, the clamping member 6 and the splint 7, the battery shell in the placement tray 4 can be clamped, and the transportation can be kept stable during the clamping process, the battery shell can be stably placed in the airtight detection chamber 8, and the airtightness detection of the airtight detection chamber 8 can be completed.

[0035] The working principle of the clamping member 6 is as follows: under the control of the external controller, the electric push rod 1 603 is controlled and started, the output end of the electric push rod 1 603 is extended, and the sliding block 1 604 is driven to slide in the installation cavity 602, and the sliding block 2 606 is driven to slide at the T-shaped end of the installation cavity 602 through the connecting rod 605, driving the two groups of adjustment rods 607 to slide in the horizontal direction. At the same time, under the limiting action of the limiting rod 2 608, the distance between the two groups of adjustment rods 607 is reduced, and the battery shell is fixed using the splint 7 according to the size of the battery shell.

[0036] In one embodiment, for the above-mentioned adjusting member 10, the adjusting member 10 includes a slide rail 1001 arranged at the top of the body 1, and an electric push rod 2 1002 is arranged on one side of the top of the slide rail 1001, and a sliding block 3 1003 that cooperates with the slide rail 1001 is arranged at one end of the electric push rod 2 1002, and the top of the sliding block 3 1003 cooperates with the outer wall of the detection air pipe 11, so that under the action of the adjusting member 10, the position of the detection air pipe 11 can be adjusted, and when the detection is required, the detection air pipe 11 is moved to the detection port 13, and the battery shell inside the airtight detection chamber 8 is tested for airtightness.

[0037] The working principle of the adjusting member 10 is as follows:

[0038] The external controller is used to control and start the second electric push rod 1002 , and the output end of the second electric push rod 1002 drives the third sliding block 1003 to slide on the slide rail 1001 and adjust the position of the detection air pipe 11 .

[0039] In order to facilitate understanding of the above technical solutions of the present invention, the working principle or operation method of the present invention in actual process is described in detail below.

[0040] In actual application, the battery shell is placed on the placement tray 4, and the rotation component 3 is used to drive the placement tray 4 to rotate. When the battery shell in the placement tray 4 is driven to rotate, the horizontal driving member 501 and the longitudinal driving member 502 of the driving member 5 are used to move the clamping member 6 and the clamping plate 7 to the position of the battery shell, and the clamping plate 7 at the bottom end of the clamping member 6 is used to clamp the battery shell, and the horizontal driving member 501 and the longitudinal driving member 502 of the driving member 5 are used again to move the clamped battery shell to the airtight detection chamber 8, the adjustment member 10 drives the sliding block 3 1003 to slide on the slide rail 1001 through the electric push rod 2 1002, adjusts the position of the detection air pipe 11, and moves the detection air pipe 11 to the detection port 13, and the detection air pipe 11 is inserted into the airtight detection chamber 8 through the detection port 13. Under the control of the solenoid valve 12, the battery shell 9 is tested for airtightness, and unqualified battery shells are removed according to the test results.

[0041] The process of air tightness testing is as follows:

[0042] The air in the airtightness detection chamber 8 is evacuated by a vacuum pump to create a low-pressure environment. At this time, if the battery case leaks, outside air will seep into the airtightness detection chamber 8, and the value of the pressure gauge will change. If the pressure change exceeds the standard value, it indicates that the battery case has a leak and the test fails. If the pressure change is within the allowable range, it indicates that the battery case is airtight and the test passes.

[0043] The working principles of the rotating assembly 3 , the driving member 5 , the clamping member 6 and the adjusting member 10 are as described above.

[0044] To sum up, with the help of the above-mentioned technical scheme of the present invention, the present invention realizes efficient, stable and precise operation of battery shell air tightness detection through automatic transmission and control; with the cooperation of the rotating component 3 and the placement tray 4, the placement of the battery shell is completed, and the battery shell is rotated after being placed to realize automatic detection. With the cooperation of the driving member 5, the clamping member 6 and the splint 7, the battery shell in the placement tray 4 can be clamped, and the transportation can be kept stable during the clamping process, and the battery shell can be stably placed in the airtight detection chamber 8, and the airtightness detection of the airtight detection chamber 8 is completed; under the action of the adjusting member 10, the position of the detection air pipe 11 can be adjusted, and when the detection is required, the detection air pipe 11 can be moved to the detection port 13, and the battery shell inside the airtight detection chamber 8 is subjected to airtightness detection.

[0045] In the present invention, unless otherwise clearly stipulated and limited, the terms "install", "set", "connect", "fix", "screw" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated 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. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the present invention according to the specific circumstances.

[0046] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. Battery casing air tightness testing equipment, including a body, characterized in that: The inner bottom end of the body is provided with a mounting seat, the top end of the mounting seat is provided with a rotating assembly that matches the body, and the top end of the rotating assembly is evenly provided with a plurality of placement plates; A driving member that matches the machine body is provided on one side of the placement tray, a clamping member is provided at the bottom end of the driving member, and clamping plates are provided on both sides of the bottom end of the clamping member; An airtightness detection chamber is provided at the bottom of the splint and matches the body. A battery housing is provided inside the airtightness detection chamber. An adjustment member that matches the body is provided at the bottom of the airtightness detection chamber. A detection air pipe is inserted through the top of the adjustment member, and a solenoid valve is provided in the middle of the detection air pipe. A detection port that matches the detection air pipe is opened on one side of the bottom of the airtight detection chamber.

2. The battery casing airtightness detection device according to claim 1, characterized in that: A mounting frame is provided on the outer side of the driving member, and a discharge tray is provided on one side of the middle portion of the mounting frame.

3. The battery casing airtightness detection device according to claim 1, characterized in that: The rotating assembly includes a reduction motor arranged at the top of the mounting base, a pulley 1 is provided at the output shaft end of the reduction motor, the pulley 1 is connected to the pulley 2 through a belt, a rotating shaft is inserted through the middle of the pulley 2, and a rotating disk is provided at the top of the rotating shaft to cooperate with a plurality of placement disks.

4. The battery casing airtightness detection device according to claim 2, characterized in that: The driving member is composed of a transverse driving member and a longitudinal driving member; The transverse driving member includes a cylinder 1 arranged on one side of the interior of the mounting frame, a slider is provided at one end of the output shaft of the cylinder 1, and a connecting plate is provided at the top end of the slider to match the longitudinal driving member; The longitudinal driving member comprises a mounting vertical plate arranged on one side of the connecting plate, a second cylinder is arranged on the top of the mounting vertical plate, and a connecting frame plate matched with the clamping member is arranged at the output end of the second cylinder.

5. The battery casing airtightness detection device according to claim 4, characterized in that: The clamping member includes a mounting plate arranged at the bottom end of the connecting frame plate, a mounting cavity is opened inside the mounting plate, an electric push rod 1 is arranged inside the mounting cavity, a sliding block 1 is arranged at one end of the output shaft of the electric push rod 1, two sets of connecting rods are arranged on one side of the surface of the sliding block 1, and the sliding block 1 is connected to the two sets of sliding blocks 2 through the two sets of connecting rods; Two groups of adjusting rods matching with the two groups of clamping plates are arranged at one end of the two groups of connecting rods away from the second sliding block.

6. The battery casing airtightness testing device according to claim 5, characterized in that: A second limiting rod matched with the installation cavity is inserted through the middle of the adjusting rod.

7. The battery casing airtightness testing device according to claim 1, characterized in that: The adjusting part includes a slide rail arranged at the top of the body, an electric push rod 2 is arranged on one side of the top of the slide rail, a sliding block 3 that cooperates with the slide rail is arranged at one end of the digital end of the electric push rod 2, and the top of the sliding block 3 cooperates with the outer wall of the detection airway.

Images