CN213985575U

CN213985575U - A leakproofness detects frock for negative pressure detects

Info

Publication number: CN213985575U
Application number: CN202023303095.4U
Authority: CN
Inventors: 魏申兰; 谭潇中; 彭龙飞
Original assignee: Changsha Hengdian Juneng Electronic Technology Co ltd
Current assignee: Changsha Hengdian Juneng Electronic Technology Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-08-17
Anticipated expiration: 2030-12-31

Abstract

The utility model discloses a tightness detection tool for negative pressure detection, which belongs to the technical field of detection tools and comprises a detection platform, a fixed plate, a connecting plate, a first clamping hand, a second clamping hand and a positioning plate, wherein the detection platform is used for detecting the air tightness of a product to be detected; the product to be detected is placed on the detection platform, the fixing plate is fixed on the detection platform, the connecting plate is fixed on the fixing plate, and the first clamping hand is installed on the connecting plate and used for pressing the product to be detected downwards; the positioning plate is fixed on the top surface of the detection platform, the positioning hole is formed in the positioning plate, the product to be detected is located in the positioning hole, the notch is formed in the side portion of the positioning hole, the second clamping hand is installed on the detection platform and used for penetrating through the notch from outside to inside and abutting against the product to be detected, and therefore the product to be detected abuts against the positioning hole. The utility model discloses can keep production continuity along with the on-line measuring, promote production efficiency, reduce the turnover of work in process.

Description

A leakproofness detects frock for negative pressure detects

Technical Field

The utility model relates to a detect frock technical field, in particular to leakproofness detection frock for negative pressure detects.

Background

For the product detection which needs to meet the protection requirement above IPX5, two modes exist at present, one mode is detection by configuring a special test environment, and the detection mode has high requirement on the detection environment and is inconvenient to control; the other method is to purchase special equipment for detection, however, the existing special equipment is expensive and the detection cost is too high. Therefore, the method is not suitable for small enterprises to use.

To the less, the lighter product of weight of volume, generally realize the processing production through the assembly line, for guaranteeing to keep the production continuity along with the line detection, promote production efficiency, reduce the in-process turnover and accelerate turnover speed, the utility model relates to a light small and exquisite leakproofness detects frock and can utilize and promote the pain point of solving above production site.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a leakproofness detects frock for negative pressure detects.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a tightness detection tool for negative pressure detection is used for detecting the air tightness of a product to be detected and comprises a detection platform, a fixing plate, a connecting plate, a first clamping hand, a second clamping hand and a positioning plate;

the product to be detected is placed on the detection platform, the fixing plate is fixed on the detection platform, the connecting plate is fixed on the fixing plate, and the first clamp is installed on the connecting plate and used for pressing the product to be detected downwards;

the positioning plate is fixed on the top surface of the detection platform, a positioning hole is formed in the positioning plate, the product to be detected is located in the positioning hole, a notch is formed in the side portion of the positioning hole, the second clamping hand is installed on the detection platform and used for penetrating through the notch from outside to inside and abutting against the product to be detected, and therefore the product to be detected abuts against the positioning hole.

By adopting the structure, when the product to be detected is limited and fixed, the product to be detected is placed in the positioning hole, then the second clamping hand is pushed to tightly support the product to be detected from the side part of the product to be detected, and then the product to be detected is downwards compressed by the first clamping hand, so that the inner part of the product to be detected is sealed and fixed on the detection platform. An object of the utility model is to provide a light small and exquisite leakproofness detects frock for product protectiveness detects along with the line, realizes the automated inspection of product gas tightness, is convenient for and test data automatic storage.

The method is further optimized as follows: the first clamping handle is fixedly provided with a pressing block, the pressing block comprises an upper pressing block and a lower pressing block located below the upper pressing block, the upper pressing block is detachably connected with the lower pressing block, and the lower pressing block is used for being in contact with the top surface of the product to be detected.

By adopting the structure, the damage to the product to be detected is reduced, so that the product to be detected is protected.

The method is further optimized as follows: the lower pressing block is made of rubber.

The method is further optimized as follows: a hole is formed in the product to be detected, and a pressure head used for blocking the hole is fixed on the second clamping hand.

By adopting the structure, after the tightness detection is completed, the second clamping hand is loosened, and the product to be detected is communicated with the outside through the hole.

The method is further optimized as follows: the pressure head is made of rubber.

The method is further optimized as follows: two positioning holes for placing the products to be detected are formed in the positioning plate, so that the two products to be detected are placed on the detection platform.

The method is further optimized as follows: a soft rubber pressing block is arranged in the positioning hole, the soft rubber pressing block is fixed on the detection platform, and the product to be detected is located between the soft rubber pressing block and the side wall of the positioning hole.

The method is further optimized as follows: the product to be detected is provided with a propping part, and the propping part and the hole are respectively positioned at two opposite sides of the product to be detected;

and a tight abutting plate is fixed on the fixing plate and used for abutting against the tight abutting part so as to limit the movement of the product to be detected.

To sum up, the utility model discloses following beneficial effect has: when waiting to detect spacing fixed of product, will wait to detect the product and place in the locating hole earlier to make the hole aim at the pressure head, then promote the second tong, so that the pressure head supports tightly and stops up the hole on waiting to detect the product, then the downward compaction of rethread first tong is waited to detect the product, so that wait to detect the product internal seal and fix on testing platform. The utility model discloses utilize negative pressure pressurize state to detect the product gas tightness, realize the quantitative test of product gas tightness detection mode and test data's automatic storage. This leakproofness detects frock and realizes that the duplex position detects simultaneously, and test beat 30s compares in the existing utilization water of usefulness and tests and has not only avoided the product to concentrate the turnover, has promoted in-process turnover speed, and realizes detecting along with the line, and detection efficiency promotes more than 60%.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment, which is mainly used for embodying the overall structure of a tightness detection tool;

FIG. 2 is a front view of the tightness detection tool in the embodiment, which is mainly used for showing the structure of the tightness detection tool;

FIG. 3 is a schematic structural diagram of an embodiment, which is mainly used for embodying a mounting structure of a positioning plate;

FIG. 4 is a schematic structural view of the embodiment, which is mainly used for showing the structure between the positioning plate and the second clamping jaw;

FIG. 5 is a plan view of the embodiment, which is mainly used for embodying the structure between the positioning plate and the second clamping jaw;

fig. 6 is a partial structural schematic diagram of the embodiment, which is mainly used for embodying the arrangement structure of the holes.

In the figure, 1, a detection platform; 2. a product to be detected; 3. a fixing plate; 4. a connecting plate; 5. a propping plate; 6. a first gripper; 7. briquetting; 71. pressing the blocks; 72. pressing the block; 8. a second gripper; 9. positioning a plate; 10. a foot pad; 11. positioning holes; 12. a notch; 13. a pressure head; 14. a sensor connector; 15. an air exhaust pipe; 16. an aperture; 17. a tightening part; 18. and pressing the soft rubber into blocks.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b): the utility model provides a leakproofness detects frock for negative pressure detects for treat that detect product 2 carries out the gas tightness and detects. As shown in fig. 1-6, the tightness detection tool comprises a detection platform 1, a fixing plate 3, a connecting plate 4, a first clamping arm 6, a second clamping arm 8 and a positioning plate 9. Wait to detect product 2 and place on testing platform 1, the utility model discloses a duplex position detects simultaneously, can place two on consequently detecting the product and wait to detect product 2 simultaneously to two differences wait to detect, improve work efficiency.

Referring to fig. 1-6, fixed plate 3 is fixed perpendicularly at testing platform 1 top, and fixed plate 3 has three along two waiting to detect product 2 setting direction equipartition, and three fixed plate 3 sets up side by side. The connecting plate 4 is fixed on the three fixing plates 3, and the first clamping hand 6 is installed on the connecting plate 4 and used for downwards pressing the product 2 to be detected. Preferably, a pressing block 7 is fixed on the first clamping hand 6, the pressing block 7 comprises an upper pressing block 71 and a lower pressing block 72 positioned below the upper pressing block 71, and the upper pressing block 71 is detachably connected with the lower pressing block 72. Specifically, in the present embodiment, the upper pressing block 71 and the lower pressing block 72 are connected by screws. The lower pressing block 72 is used for contacting with the top surface of the product 2 to be detected, and the lower pressing block 72 is made of rubber.

Referring to fig. 1-6, the positioning plate 9 is fixed on the top surface of the detection platform 1, the positioning plate 9 is provided with a positioning hole 11, and the product 2 to be detected is located in the positioning hole 11. Two positioning holes 11 for placing the products 2 to be detected are formed in the positioning plate 9, so that the two products 2 to be detected on the detection platform 1 are respectively placed in different positioning holes 11. A notch 12 is formed in the side portion of the positioning hole 11, the second clamping hand 8 is installed on the detection platform 1, and the second clamping hand 8 is used for penetrating through the notch 12 from outside to inside and abutting against the product 2 to be detected, so that the product 2 to be detected abuts against the positioning hole 11. Preferably, a hole 16 is formed in one side of the lower portion of the product 2 to be detected, a pressure head 13 for plugging the hole 16 is fixed on the second clamping hand 8, and the pressure head 13 is made of rubber. The second clamping hand 8 is used for driving the pressure head 13 to move towards the direction close to or away from the hole 16, so that the hole 16 can be opened or blocked, and the product 2 to be detected is clamped from the side part of the product 2 to be detected.

Referring to fig. 1-6, a pressing portion 17 is disposed on one side of the upper portion of the product 2, and the pressing portion 17 and the hole 16 are disposed on two opposite sides of the product 2. The fixed plate 3 is fixed with a tightly-supporting plate 5, the tightly-supporting plate 5 is positioned below the connecting plate 4 to limit the movement of the product 2 to be detected, and the tightly-supporting plate 5 is made of rubber. A soft rubber pressing block 18 is arranged in the positioning hole 11, and the soft rubber pressing block 18 is annular and is fixed on the detection platform 1 through screws or bolts. The product 2 to be detected is positioned between the soft rubber pressing block 18 and the side wall of the positioning hole 11. The detection platform 1 is arranged in a hollow mode, the sensor connector 14 and the exhaust tube 15 are arranged in the detection platform 1, and the sensor connector 14 and the exhaust tube 15 both penetrate through the top surface of the detection platform 1 upwards so that the exhaust tube 15 is communicated with the product 2 to be detected placed in the positioning hole 11. The sensor joint 14 is provided with a pressure sensor, and the pressure sensor is positioned above the detection platform 1, so that when the product 2 to be detected is placed in the positioning hole 11, the pressure sensor is positioned in the product 2 to be detected. Preferably, the first gripper 6 and the second gripper 8 are both push-pull grippers.

The working process and principle are as follows: the product 2 to be detected is placed in the positioning hole 11, the hole 16 is aligned with the pressure head 13, then the second clamping hand 8 is pushed, the pressure head 13 abuts against the product 2 to be detected and blocks the hole 16, and then the product 2 to be detected is pressed downwards through the first clamping hand 6, so that the product 2 to be detected is sealed inside and fixed on the detection platform 1.

It should be noted that, the tightness detection tool is applied to a tightness detection system, and besides the tightness detection tool, the tightness detection system further comprises a computer, a vacuum pump and other components which are connected to form a test system. The leakproofness detects the frock and is used for sealing and presss from both sides tightly to wait to detect product 2 to the messenger waits to detect that product 2 is inside to form closed chamber, and during the detection, wait to detect product 2 and pass through exhaust tube 15 and vacuum pump connection, the vacuum pump will wait to detect that product 2 is inside to be taken out into the negative pressure state, quantizes the negative pressure state and shows the stability of pressurize through computer display simultaneously through pressure sensor. The product test data is recorded into the memory through code scanning, so that the test data is uploaded in real time and recorded to meet the quality management requirement. The leakproofness detecting system is 220V commercial power supply, and two products 2 to be detected are placed simultaneously to the leakproofness detection frock, and the vacuum pumping time is controlled to the cooperation time switch remote control. And judging whether the air tightness of the product is qualified or not through the pressure sensor after pressure maintaining. The specific operation steps are as follows:

1. checking the reliable connection of all the parts;

2. placing two products to be detected;

3. a remote control switch starts a vacuum pump, and the vacuum pump is vacuumized for 16 seconds (the time can be set);

4. after waiting for 10-13 seconds, closing the exhaust pipe, and enabling the part of the product to be detected to form a negative pressure state;

5. after the test key is pressed, waiting for 2-3 seconds, displaying the detection result by the computer display;

6. and taking down the product after detection, and flowing into the next procedure.

The tightness detection system is integrated at a movable station, and detection station points can be flexibly arranged according to a product process route; the product does not need to be in centralized circulation, can be detected along with the line and matched with the beat of the assembly line, and the line body balance rate is improved; the detection result and the detection data are stored in real time, the reliability is high, and traceability is realized.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a leakproofness detects frock for negative pressure detects for treating detect product (2) and carry out the gas tightness and detect characterized by: comprises a detection platform (1), a fixing plate (3), a connecting plate (4), a first clamping hand (6), a second clamping hand (8) and a positioning plate (9);

the product (2) to be detected is placed on the detection platform (1), the fixing plate (3) is fixed on the detection platform (1), the connecting plate (4) is fixed on the fixing plate (3), and the first clamping hand (6) is installed on the connecting plate (4) and used for pressing the product (2) to be detected downwards;

the positioning plate (9) is fixed on the top surface of the detection platform (1), a positioning hole (11) is formed in the positioning plate (9), the product (2) to be detected is located in the positioning hole (11), a notch (12) is formed in the side portion of the positioning hole (11), the second clamping hand (8) is installed on the detection platform (1), and the second clamping hand (8) is used for penetrating through the notch (12) from outside to inside and abutting against the product (2) to be detected, so that the product (2) to be detected abuts against the inside of the positioning hole (11).

2. The tightness detection tool for negative pressure detection according to claim 1, characterized in that: a pressing block (7) is fixed on the first clamping hand (6), the pressing block (7) comprises an upper pressing block (71) and a lower pressing block (72) located below the upper pressing block (71), the upper pressing block (71) is detachably connected with the lower pressing block (72), and the lower pressing block (72) is used for being in contact with the top surface of the product (2) to be detected.

3. The tightness detection tool for negative pressure detection according to claim 2, characterized in that: the lower pressing block (72) is made of rubber.

4. The tightness detection tool for negative pressure detection according to claim 1, characterized in that: a hole (16) is formed in the product (2) to be detected, and a pressure head (13) used for blocking the hole (16) is fixed on the second clamping hand (8).

5. The tightness detection tool for negative pressure detection according to claim 4, wherein: the pressure head (13) is made of rubber.

6. The tightness detection tool for negative pressure detection according to claim 1, characterized in that: two positioning holes (11) used for placing the products (2) to be detected are formed in the positioning plate (9), so that the two products (2) to be detected are placed on the detection platform (1).

7. The tightness detection tool for negative pressure detection according to claim 1, characterized in that: a soft rubber pressing block (18) is arranged in the positioning hole (11), the soft rubber pressing block (18) is fixed on the detection platform (1), and the product (2) to be detected is located between the soft rubber pressing block (18) and the side wall of the positioning hole (11).

8. The tightness detection tool for negative pressure detection according to claim 4, wherein: the product (2) to be detected is provided with a propping part (17), and the propping part (17) and the hole (16) are respectively positioned at two opposite sides of the product (2) to be detected;

and a tight supporting plate (5) is fixed on the fixing plate (3), and the tight supporting plate (5) is tightly supported with the tight supporting part (17) to limit the movement of the product (2) to be detected.