CN219455424U - Air tightness detection equipment for battery box cover - Google Patents
Air tightness detection equipment for battery box cover Download PDFInfo
- Publication number
- CN219455424U CN219455424U CN202223521834.6U CN202223521834U CN219455424U CN 219455424 U CN219455424 U CN 219455424U CN 202223521834 U CN202223521834 U CN 202223521834U CN 219455424 U CN219455424 U CN 219455424U
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- Prior art keywords
- box cover
- battery box
- base
- supporting frame
- frame
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Sealing Battery Cases Or Jackets (AREA)
Abstract
The utility model relates to a battery box cover airtight detection device which comprises a workbench and a PLC (programmable logic controller), wherein the workbench is connected with a base through a guide rail sliding block; the lower side of the base is connected with a telescopic cylinder; the upper end face of the base is provided with a supporting frame, the upper end face of the supporting frame is provided with an O-shaped sealing ring, the battery box cover is positioned on the upper end face of the supporting frame, and the outer side of the supporting frame is also provided with a box cover limiting piece; the upper side of the working bench is provided with a lifting compression assembly through a frame, and the lifting compression assembly is used for compressing and positioning the battery box cover on the supporting frame; a side hole sealing assembly is arranged at a position on the base corresponding to the side hole of the battery box cover, and the side hole sealing assembly is connected with a pressure air source through an air pipe; the upper end face of the base in the supporting frame is provided with an air pressure sensor electrically connected with the PLC. According to the utility model, the whole circle of the battery box cover is tightly pressed on the detection table through the pressing frame, the pressure gas is automatically injected, the pressure maintaining condition is fed back through the pressure sensor, the detection result is accurate, and the degree of automation is high.
Description
Technical Field
The utility model relates to an airtight detection device, in particular to an airtight detection device used in the production and processing process of a battery box cover of a new energy automobile.
Background
The power source of the new energy automobile in the prior art comes from a power battery, and the power battery is usually arranged on the chassis of the automobile through a battery box. Because the automobile has a complex working scene, and the battery box is arranged on the chassis with the worst environment, the air tightness requirement on the battery box is higher, and the battery box is required to prevent dust from polluting the power battery and prevent moisture and the like from invading the battery box to corrode the power battery.
The existing battery box generally comprises a battery box body and a battery box cover, the power battery is positioned in the battery box body, and an internal sealed space is formed by sealing connection of the battery box cover and the battery box body, so that the power battery is sealed and protected. In the production and processing process of the battery box, air leakage detection is needed to be carried out on the battery box body and the battery box cover so as to know the air tightness of each part of the battery box, and therefore the sealing installation of the power battery of the new energy automobile is ensured.
At present, the gas leakage detection operation of the battery box cover is usually carried out by manual operation of a worker, the operator tightly presses the battery box cover on a workbench surface through a plurality of quick clamps, and pressure gas is filled into the battery box cover manually, and whether the gas leakage detection of the battery box cover is qualified is judged by the worker through the pressure appearance and the pressure maintaining condition. The traditional air leakage detection mode is too dependent on manual operation and manual judgment, is low in automation degree and clamping speed, has certain detection errors, and influences the product quality.
Disclosure of Invention
The utility model aims to provide a battery box cover airtight detection device, which is used for compressing the whole circle of a battery box cover on a detection table through a compression frame, automatically filling pressure gas, feeding back the pressure maintaining condition through a pressure sensor, and effectively solving the problems existing in the prior art, and has the advantages of accurate detection result and high degree of automation.
The technical scheme adopted by the utility model for achieving the purpose is as follows: the battery box cover airtight detection device comprises a working bench and a PLC controller, wherein one end of the working bench is a detection end, the other end of the working bench is a feeding end, a base is connected to the working bench through a guide rail sliding block, and the base can slide between the detection end and the feeding end; the lower side of the base is connected with a telescopic cylinder for driving the base to slide on the working bench; the battery box cover is positioned on the upper end face of the supporting frame, a box cover limiting piece is further arranged on the outer side of the supporting frame, and the box cover limiting pieces are respectively positioned at the positions of the supporting frame close to four corners and fixedly connected with the upper end face of the base; the upper side of the detection end of the working bench is provided with a lifting compression assembly through a frame, and the lifting compression assembly is used for compressing and positioning the battery box cover on the supporting frame; the base is also provided with a side hole sealing assembly at a position corresponding to the side hole of the battery box cover, and the side hole sealing assembly is connected with a pressure air source through an air pipe; and the upper end surface of the base in the supporting frame is provided with an air pressure sensor electrically connected with the PLC.
The utility model further adopts the technical scheme that: the lifting compression assembly comprises a compression cylinder and a compression frame, the compression cylinder is vertically positioned on the frame, a telescopic rod of the compression cylinder extends downwards, the compression frame is consistent with the flanging contour of the battery box cover, and the compression frame is connected with the telescopic rod of the compression cylinder.
The utility model further adopts the technical scheme that: the number of the compaction cylinders is 12.
The utility model further adopts the technical scheme that: the cylinder body of flexible cylinder is connected with work rack fixed, and the axis of flexible cylinder is parallel with the slip direction of base, the telescopic link of flexible cylinder passes through the connecting plate and is connected with the bottom of base.
The utility model further adopts the technical scheme that: the side hole sealing assembly comprises a jacking cylinder and a sealing plug, the jacking cylinder is fixed on the outer side of the side hole of the battery box cover through a bracket, the sealing plug is connected with the front end of a telescopic rod of the jacking cylinder, and the telescopic rod of the jacking cylinder stretches out to enable the sealing plug to prop against the outer side of the side hole of the battery box cover; the sealing plug is internally provided with an inflation channel, the inflation channel extends to the front end of the sealing plug from the side face of the sealing plug, and the inflation channel is connected with a pressure air source through an air pipe so as to charge pressure air into the battery box cover.
The utility model further adopts the technical scheme that: the side of the detection end of the working bench is provided with a limiting block for limiting the sliding position of the base.
The battery box cover airtight detection equipment has the following beneficial effects due to the adoption of the structure:
1. the automatic battery box cover detection device is high in automation degree, an operator only needs to place a battery box cover to be detected on a supporting frame of a base, presses a starting button of a PLC (programmable logic controller), a telescopic cylinder automatically drives the base to slide to a detection end, a compression cylinder of a lifting compression assembly is pressed down to enable the compression frame to compress the turnup of the battery box cover on the supporting frame in a whole circle, pressure gas is filled into a cavity of the battery box cover through a sealing plug, then the pressure maintaining condition is fed back to the PLC through a pressure sensor in the cavity, the PLC can judge whether the airtight detection of the current battery box cover is qualified or not without depending on manual judgment, the detection result is accurate, and the automatic degree is high;
2. because the four-corner supporting frame is provided with the box cover limiting parts, the battery box cover can be just positioned on the supporting frame due to the limiting effect of the box cover limiting parts, and workers do not need to spend extra time for positioning when placing the battery box cover, so that the feeding efficiency is effectively improved;
3. according to the utility model, the whole circle of the outward flange of the battery box cover is pressed and positioned on the upper end surface of the supporting frame through the pressing frame, and the O-shaped sealing ring is matched, so that the problem that the air leakage at the joint between the outward flange of the battery box cover and the supporting frame influences the accuracy of air tightness detection can be effectively avoided.
A battery case lid air tightness detecting apparatus according to the present utility model will be further described with reference to the drawings and examples.
Drawings
FIG. 1 is a schematic view showing the structure of a battery case lid airtight detecting apparatus of the present utility model;
FIG. 2 is a second schematic diagram of a battery case lid airtight detecting apparatus according to the present utility model;
FIG. 3 is a schematic view showing an operation state of a battery case lid airtight detecting apparatus of the present utility model;
FIG. 4 is a schematic view of the structure of the base of the present utility model;
fig. 5 is an enlarged view at a in fig. 4;
FIG. 6 is a schematic view of the structure of the compression frame of the present utility model;
fig. 7 is a schematic structural view of a battery case cover;
reference numerals illustrate: the device comprises a 1-working bench, a 101-feeding end, a 102-detection end, a 2-base, a 201-supporting frame, a 202-O-shaped sealing ring, a 203-connecting plate, a 3-battery box cover, a 301-outward flange, a 302-side hole, a 4-side hole sealing assembly, a 401-jacking cylinder, a 402-bracket, a 403-sealing plug, a 404-inflating channel, a 501-compacting frame, a 502-compacting cylinder, a 6-frame, a 7-PLC controller, an 8-telescopic cylinder, a 9-sliding block, a 10-guide rail, an 11-limiting block, a 12-air pressure sensor and a 13-box cover limiting piece.
Detailed Description
As shown in fig. 1 to 7, the battery box cover airtight detection device comprises a working bench 1 and a PLC controller 7, wherein one end of the working bench 1 is a feeding end 101, the other end of the working bench 1 is a detection end 102, and the working bench 1 is connected with a base 2 in a matched manner through a guide rail 10 and a sliding block 9; the lower side of the base 2 is connected with a telescopic air cylinder 8 for driving the base 2 to slide on the workbench frame 1, the cylinder body of the telescopic air cylinder 8 is fixedly connected with the workbench frame 1, the central axis of the telescopic air cylinder 8 is parallel to the sliding direction of the base 2, a telescopic rod of the telescopic air cylinder 8 is connected with the bottom of the base 2 through a connecting plate 203, and the telescopic rod of the telescopic air cylinder 8 can drive the base 2 to slide between the detection end 102 and the feeding end 101 along the guide rail 10; in addition, a limiting block 11 for limiting the sliding position of the base 2 is arranged on the side surface of the detection end 102 of the working bench 1.
The upper end face of the base 2 is provided with a supporting frame 201 which is in a protruding shape consistent with the outline shape of the flanging 301 of the battery box cover 3, and the upper end face of the base 2 in the supporting frame 201 is provided with a pneumatic sensor 12 which is electrically connected with the PLC 7; the supporting frame 201 is connected with the upper end face of the base 2 in a sealing way, an O-shaped sealing ring 202 is arranged on the upper end face of the supporting frame 201, the O-shaped sealing ring 202 is embedded into a groove of the base 2, and in the embodiment, the O-shaped sealing ring 202 is made of nitrile rubber. The upper side of the detection end 102 of the working bench 1 is provided with a lifting pressing component for pressing and positioning the battery box cover 3 on the supporting frame 201 through the frame 6; the lifting pressing assembly comprises a pressing cylinder 502 and a pressing frame 501, wherein the pressing cylinder 502 is vertically positioned on the frame 6, a telescopic rod of the pressing cylinder 502 extends downwards, the pressing frame 501 is consistent with the outline shape of the flanging 301 of the battery box cover 3, and the pressing frame 501 is connected with the telescopic rod of the pressing cylinder 502. In the present embodiment, the number of the pressing cylinders 502 is set to 12, and 12 pressing cylinders 502 are arrayed and connected to the pressing frame 501.
When the airtight detection operation is performed, the battery box cover 3 is positioned on the upper end surface of the supporting frame 201, the pressing frame 501 is pressed against the outward flange 301 of the battery box cover 3 by the pressing cylinder 502, so that the outward flange 301 of the battery box cover 3 is in sealing connection with the supporting frame 201 under the action of the O-shaped sealing ring 202, and a sealed cavity is formed between the battery box cover 3 and the base 2.
In this embodiment, the whole circle of the outward flange 301 of the battery case cover 3 is pressed and positioned on the upper end surface of the supporting frame 201 by the pressing frame 501, and then the O-ring 202 is matched, so that the problem that the air leakage at the joint between the outward flange 301 of the battery case cover 3 and the supporting frame 201 affects the accuracy of air tightness detection can be effectively avoided.
In addition, the outer side of the supporting frame 201 is also provided with a box cover limiting piece 13, and the box cover limiting pieces 13 are respectively positioned at the positions of the supporting frame 201 close to four corners and are fixedly connected with the upper end face of the base 2; because the supporting frame 201 all is equipped with case lid locating part 13 by the position of four angles, the spacing effect of case lid locating part 13 can make battery case lid 3 fix a position on supporting frame 201 just, and the workman need not to spend extra time and fix a position when placing battery case lid 3, effectively improves the efficiency of material loading dress spare.
The side hole sealing assembly 4 is further arranged at a position, corresponding to the side hole 302 of the battery box cover 3, on the base 2, as shown in fig. 5, the side hole sealing assembly 4 comprises a jacking cylinder 401 and a sealing plug 403, the jacking cylinder 401 is fixed on the outer side of the side hole 302 of the battery box cover 3 through a bracket 402, the sealing plug 403 is connected with the front end of a telescopic rod of the jacking cylinder 401, and the telescopic rod of the jacking cylinder 401 stretches out to enable the sealing plug 403 to prop against the outer side of the side hole 302 of the battery box cover 3; an air charging channel 404 is arranged in the sealing plug 403, the air charging channel 404 extends from the side surface of the sealing plug 403 to the front end of the sealing plug 403, and the air charging channel 404 is connected with a pressure air source (not shown in the figure) through an air pipe, so that the battery box cover 3 is filled with pressure air.
The utility model relates to a working principle of a battery box cover airtight detection device, which comprises the following steps:
(1) the operator places the battery case cover 3 to be detected on the support frame 201 of the base 2;
(2) pressing a start button of the PLC 7, and automatically driving the base 2 to slide to the detection end 102 by the telescopic cylinder 8;
(3) the pressing cylinder 502 of the lifting pressing assembly is pressed down to enable the pressing frame 501 to press the flanging 301 of the battery box cover 3 on the supporting frame 102 in a whole circle, and meanwhile, the telescopic rod of the jacking cylinder 401 extends out to enable the sealing plug 403 to prop against the outer side of the side hole 302 of the battery box cover 3, so that the side hole 302 is sealed and blocked, and a sealed cavity is formed between the battery box cover 3 and the base 2;
(4) after the inflation channel 404 of the sealing plug 403 fills pressure gas into the cavity of the battery box cover 3, the pressure is maintained for 60 seconds, the pressure maintaining condition is fed back to the PLC controller 7 through the air pressure sensor 12 in the cavity, the PLC controller 7 can judge whether the airtight detection of the current battery box cover 3 is qualified or not, then the equipment automatically records data, if the leakage quantity is unqualified, the equipment automatically sends out alarm sound, and the operator can observe and confirm conveniently.
The above embodiments are merely preferred embodiments of the present utility model, the structure of the present utility model is not limited to the forms of the above embodiments, and any modifications, equivalents, etc. within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (6)
1. The battery box cover airtight detection device comprises a working bench (1) and a PLC (programmable logic controller) controller (7), wherein one end of the working bench (1) is a feeding end (101), the other end of the working bench (1) is a detection end (102), a base (2) is connected to the working bench (1) through a guide rail sliding block, and the base (2) can slide between the detection end (102) and the feeding end (101); the method is characterized in that: the lower side of the base (2) is connected with a telescopic cylinder (8) for driving the base (2) to slide on the workbench frame (1); the battery box cover is characterized in that a supporting frame (201) which is consistent with the outline shape of an outward flange (301) of the battery box cover (3) is arranged on the upper end face of the base (2) in a protruding mode, an O-shaped sealing ring (202) is arranged on the upper end face of the supporting frame (201), the battery box cover (3) is positioned on the upper end face of the supporting frame (201), a box cover limiting piece (13) is further arranged on the outer side of the supporting frame (201), and the box cover limiting pieces (13) are respectively located at positions, close to four corners, of the supporting frame (201) and are fixedly connected with the upper end face of the base (2); the upper side of the detection end (102) of the working bench (1) is provided with a lifting compression assembly for compressing and positioning the battery box cover (3) on the supporting frame (201) through the frame (6); a side hole sealing assembly (4) is further arranged on the base (2) at a position corresponding to the side hole (302) of the battery box cover (3), and the side hole sealing assembly (4) is connected with a pressure air source through an air pipe; an air pressure sensor (12) electrically connected with the PLC (7) is arranged on the upper end face of the base (2) in the supporting frame (201).
2. The battery case lid airtight detection apparatus according to claim 1, wherein: the lifting compression assembly comprises a compression cylinder (502) and a compression frame (501), wherein the compression cylinder (502) is vertically positioned on the frame (6) and a telescopic rod of the compression cylinder (502) extends downwards, the compression frame (501) is consistent with the outline of the flanging (301) of the battery box cover (3), and the compression frame (501) is connected with the telescopic rod of the compression cylinder (502).
3. The battery case lid airtight detection apparatus according to claim 2, wherein: the number of the compression cylinders (502) is 12.
4. The battery case lid airtight detection apparatus according to claim 1, wherein: the cylinder body of the telescopic cylinder (8) is fixedly connected with the workbench frame (1), the central axis of the telescopic cylinder (8) is parallel to the sliding direction of the base (2), and the telescopic rod of the telescopic cylinder (8) is connected with the bottom of the base (2) through the connecting plate (203).
5. The battery case lid airtight detection apparatus according to claim 1, wherein: the side hole sealing assembly (4) comprises a jacking cylinder (401) and a sealing plug (403), the jacking cylinder (401) is fixed on the outer side of the side hole (302) of the battery box cover (3) through a bracket (402), the sealing plug (403) is connected with the front end of a telescopic rod of the jacking cylinder (401), and the telescopic rod of the jacking cylinder (401) stretches out to enable the sealing plug (403) to be propped against the outer side of the side hole (302) of the battery box cover (3); an inflation channel (404) is arranged in the sealing plug (403), the inflation channel (404) extends to the front end of the sealing plug (403) from the side face of the sealing plug (403), and the inflation channel (404) is connected with a pressure air source through an air pipe so as to charge pressure air into the battery box cover (3).
6. The battery case lid airtight detection apparatus according to claim 1, wherein: the side of the detection end (102) of the working bench (1) is provided with a limiting block (11) for limiting the sliding position of the base (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223521834.6U CN219455424U (en) | 2022-12-28 | 2022-12-28 | Air tightness detection equipment for battery box cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223521834.6U CN219455424U (en) | 2022-12-28 | 2022-12-28 | Air tightness detection equipment for battery box cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219455424U true CN219455424U (en) | 2023-08-01 |
Family
ID=87413619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223521834.6U Active CN219455424U (en) | 2022-12-28 | 2022-12-28 | Air tightness detection equipment for battery box cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219455424U (en) |
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2022
- 2022-12-28 CN CN202223521834.6U patent/CN219455424U/en active Active
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