CN214748653U

CN214748653U - Automobile-used strip gas tightness detection device that prevents pressing from both sides

Info

Publication number: CN214748653U
Application number: CN202121003958.8U
Authority: CN
Inventors: 田新跃; 蔡庆典
Original assignee: Hebei Womeinuo Automation Technology Co ltd
Current assignee: Hebei Womeinuo Automation Technology Co ltd
Priority date: 2021-05-12
Filing date: 2021-05-12
Publication date: 2021-11-16
Anticipated expiration: 2031-05-12

Abstract

The utility model discloses a vehicle anti-pinch strip air tightness detection device, which comprises a frame, a test platform fixedly arranged at the top of the frame, an instrument platform which is arranged above the frame and can move up and down, a clamping apparatus which is fixedly arranged at the top of the test platform and is used for clamping and anti-pinch strips, a measuring component arranged above the clamping apparatus and a driving device which is fixedly arranged on the test platform and is used for driving the measuring component to move up and down and applying pressure to the anti-pinch strips; the instrument platform is provided with a secondary instrument and an industrial personal computer, and the measuring assembly, the secondary instrument and the industrial personal computer are electrically connected in sequence. Parameters and judgment rules for detecting the air tightness of the anti-pinch strip can be set in the industrial personal computer, the test process is automatically carried out, the labor intensity is reduced, the influence of human factors on the detection result is avoided, and the anti-pinch strip cannot be polluted.

Description

Automobile-used strip gas tightness detection device that prevents pressing from both sides

Technical Field

The utility model relates to a prevent pressing from both sides strip detection device technical field for the car especially relates to a prevent pressing from both sides strip gas tightness detection device for car.

Background

The anti-pinch strip is an important part in a current automobile door anti-pinch system of an automobile and is used for detecting whether an automobile door pinches an object or a person or not and feeding a detection result back to the single chip microcomputer to control the automobile door to be opened again, so that the safety protection effect is realized. Prevent that the main part material of clamp bar is rubber, and its inside is hollow structure, relies on inside air effect to realize sealed effect in the main part of rubber after installing the car, if prevent that the appearance of small crackle or pinhole on the clamp bar is hardly by the discovery, will lead to preventing that the clamp bar gas tightness is poor, can lead to car sealing performance poor after adorning the car.

Therefore prevent that the clamp bar need carry out the gas tightness when production and detect, traditional artifical the detecting generally adopts the water to examine, aerifys in to preventing the clamp bar promptly, then puts into the aquatic, relies on the naked eye to observe whether there is the bubble. The method has high labor intensity, is easy to miss detection, can pollute the anti-pinch strip, and can cause irreparable damage to the anti-pinch strip if the air pressure is too high.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a prevent strip gas tightness detection device is provided for automobile-used for solving the manual work and preventing the drawback that the strip gas tightness detected time measuring.

In order to solve the above problems, the utility model adopts the following technical scheme:

a vehicle anti-pinch strip air tightness detection device comprises a rack, a test platform fixedly arranged at the top of the rack, an instrument platform arranged above the rack and capable of moving up and down, a clamp fixedly arranged at the top of the test platform and used for clamping an anti-pinch strip, a measurement assembly arranged above the clamp, and a driving device fixedly arranged on the test platform and used for driving the measurement assembly to move up and down and applying pressure to the anti-pinch strip; the instrument platform is provided with a secondary instrument and an industrial personal computer, and the measuring assembly, the secondary instrument and the industrial personal computer are electrically connected in sequence.

Furthermore, a cross beam is arranged between the instrument platform and the test platform, and the measuring assembly comprises a vertical middle plate connected with the cross beam, a sensor unit vertically and fixedly arranged at the lower part of the middle plate, a connecting plate fixedly arranged at the lower part of the sensor unit and a pressing plate fixedly connected at the bottom of the connecting plate and used for applying pressure to the anti-pinch strip; the crossbeam links to each other with drive arrangement, the sensor unit is connected with the secondary instrument electricity.

Furthermore, the driving device comprises a ball screw linear module vertically and fixedly arranged at the top of the test platform and a motor in transmission connection with the ball screw linear module, a sliding block of the ball screw linear module is fixedly connected with the cross beam, and a sliding seat of the ball screw linear module is fixedly connected with the test platform.

Furthermore, the top of the test platform is rotatably connected with two transmission shafts parallel to the cross beam, the two ball screw linear modules are arranged at two ends of each transmission shaft, two ends of each transmission shaft are respectively in transmission connection with the corresponding ball screw linear modules through bevel gear pairs, and the motor is in transmission connection with the transmission shafts.

Further, the motor is a servo motor.

Furthermore, the test platform is fixedly provided with a stand column, and the instrument platform is connected with the stand column in a sliding manner.

Furthermore, one side of the upright post is rotatably connected with a vertical lead screw, and the test platform and the lead screw are in thread transmission.

Furthermore, the sensor unit is a pressure sensor and a displacement sensor fixedly connected with the pressure sensor.

Further, the sensor unit is a pressure displacement integrated sensor.

The utility model discloses an actively the effect does:

the utility model discloses be equipped with measuring subassembly, drive arrangement, fixture, secondary instrument and industrial computer, the parameter that detects and judge the rule and can set for in the industrial computer, and the testing process is automatic going on, has reduced intensity of labour, has avoided the influence of human factor to the testing result, also can not pollute to preventing pressing from both sides the strip.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a partial enlarged view of a portion of the measurement assembly;

in the figure, 1, a secondary meter; 2. an industrial personal computer; 3. an instrument platform; 4. a cross beam; 5. a column; 6. a servo motor; 7. a ball screw linear module; 8. a bevel gear pair; 9. a drive shaft; 10. a measurement assembly; 11. pressing a plate; 12. a button station; 13. a test platform; 14. a frame; 15. a fixture; 1001. a middle plate; 1002. a pressure displacement integrated sensor; 1003. a connecting plate.

Detailed Description

As shown in fig. 1 and fig. 2, a vehicle anti-pinch strip airtightness detection device is characterized by comprising a rack 14, a rectangular test platform 13 fixedly arranged at the top of the rack 14, a rectangular instrument platform 3 which is arranged above the rack 14 and can move up and down, a clamp 15 fixedly arranged at the top of the test platform 13 and used for clamping an anti-pinch strip, a measuring component 10 arranged above the clamp 15, and a driving device fixedly arranged on the test platform 13 and used for driving the measuring component 10 to move up and down and applying pressure to the anti-pinch strip. The frame 14 is formed by assembling aluminum alloy sections, the clamp 15 is composed of a front clamp plate and a rear clamp plate, and a cavity corresponding to the anti-pinch strip in shape is formed between the two clamp plates. The cardboard of rear side passes through screw fixed connection with test platform 13, and the cardboard of front side and 13 sliding connection of test platform and the locking nut of accessible on this cardboard lock. Secondary instrument 1 and industrial computer 2 have been placed on instrument platform 3, measuring component 10, secondary instrument 1 and industrial computer 2 electricity in proper order connect.

Be equipped with crossbeam 4 between instrument platform 3 and the test platform 13, measuring component 10 includes along the setting of crossbeam direction and all with crossbeam 4 sliding connection's vertical three intermediate lamella 1001, every intermediate lamella 1001 lower part is all fixed and is provided with the sensor unit, the connecting plate 1003 of equal fixedly connected with rectangle under every sensor unit, fixture 15 top is equipped with clamp plate 11, connecting plate 1003 all passes through screw fixed connection with clamp plate 11. The beam 4 is connected with a driving device, and the sensor unit is electrically connected with the secondary instrument 1.

The driving device comprises a ball screw linear module 7 vertically and fixedly arranged at the top of the testing platform 13 and a servo motor 6 in transmission connection with the ball screw linear module 7, a sliding block of the ball screw linear module 7 is fixedly connected with the cross beam 4 through screws, and a sliding seat of the ball screw linear module 7 is fixedly connected with the testing platform 13 through screws.

The top of the test platform 13 is rotatably connected with a transmission shaft 9 parallel to the cross beam 4, the ball screw linear modules 7 are two ends of the transmission shaft 9, the two ends of the transmission shaft 9 are respectively connected with the corresponding ball screw linear modules 7 through a bevel gear pair 8 in a transmission manner, and the servo motor 6 is connected with a synchronous pulley fixedly arranged on the transmission shaft 9 through a synchronous belt.

Both ends all are provided with stand 5 through the fix with screw about test platform 13, stand 5 and instrument platform 3 are sliding fit. The rear side of the upright post 5 is rotatably connected with a vertical lead screw, the test platform 13 and the corresponding lead screw are in threaded transmission, and the top of the lead screw is provided with a hand wheel. The hand wheel is rotated, the height of the instrument platform 3 can be adjusted, and the test operation is convenient.

The sensor unit is a pressure and displacement integrated sensor 1002 electrically connected to the secondary instrument 1, which integrates two functions of pressure measurement and displacement measurement, can simultaneously measure pressure and displacement, and transmits the measured data to the secondary instrument. The sensor unit may also be a separate pressure sensor and displacement sensor.

Still be equipped with the controller in the frame 14, industrial computer 2 is connected with the controller electricity, the controller is connected with servo motor 6 electricity, frame 14 front side is equipped with the button station 12 of being connected with the controller electricity.

The utility model discloses a working process does:

1. prevent that strip card will await measuring prevents between two cardboards of fixture 15, locks the cardboard of front side, prevents that strip top is located the coplanar this moment, and this plane is the reference plane, and the reference plane is parallel with test platform 13, and this plane is higher than fixture 15 top surface, prevents that the left and right sides both ends of strip will prevent that the inside cavity of strip is sealed under the extrusion at both ends about two cardboards.

2. And when the button station 12 is operated, the controller controls the servo motor 6 to act, so that the pressing plate 11 is driven to move downwards, when the pressing plate 11 reaches the reference plane, the pressing plate continues to move downwards by 2mm, the moving distance is measured by the pressure and displacement integrated sensor 1002, and the pressure value F1 is measured by the pressure and displacement integrated sensor 1002 at the same time.

3. The pressing plate 11 returns upward and then moves downward again, continues to move downward by 2mm after reaching the reference plane, waits for 5s, and then moves downward to a position 2.5mm from the reference plane, and the pressure sensor measures a pressure value F2 at this time.

4. The secondary instrument 1 transmits the collected F1 and F2 to the industrial personal computer 2, and the industrial personal computer 2 judges the collected F1 and F2. And when F2-F1>1 Newton, judging the product to be qualified, and otherwise, judging the product to be unqualified. (if the air tightness of the anti-pinch strip is poor, air leakage occurs, air in the anti-pinch strip escapes when being compressed, so that the force is kept unchanged or changes a little, the variation quantity is related to the magnitude of the air leakage, and the difference value between F2 and F1 is only the force generated when the rubber of the anti-pinch strip deforms, so that F2 approaches F1), and the judgment rule and the pressing distance can be adjusted according to the specification of the anti-pinch strip.

The distance, time control and the judgment rule of pressing can be set in the industrial personal computer 2 in actual use, the test process is automatically carried out, the labor intensity is reduced, and the influence of human factors on the detection result is avoided.

The above-mentioned embodiments are described in detail and specifically, so as to explain the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the same, but not to limit the present invention, and the scope of the present invention should not be limited by the embodiment, i.e. all equivalent changes or modifications made by the spirit of the present invention, for researchers or technicians in the field, within the structure of the present invention, the local modifications inside the system and the changes, transformations, etc. between the subsystems are still within the scope of the present invention.

Claims

1. The device for detecting the air tightness of the anti-pinch strip for the vehicle is characterized by comprising a rack (14), a testing platform (13) fixedly arranged at the top of the rack (14), an instrument platform (3) which is arranged above the rack (14) and can move up and down, a clamping apparatus (15) which is fixedly arranged at the top of the testing platform (13) and used for clamping the anti-pinch strip, a measuring component (10) arranged above the clamping apparatus (15) and a driving device which is fixedly arranged on the testing platform (13) and used for driving the measuring component (10) to move up and down and applying pressure to the anti-pinch strip; secondary instrument (1) and industrial computer (2) have been placed on instrument platform (3), measuring component (10), secondary instrument (1) and industrial computer (2) electricity are connected in proper order.

2. The device for detecting the airtightness of the anti-pinch strip for the vehicle as claimed in claim 1, wherein a cross beam (4) is provided between the instrument platform (3) and the test platform (13), and the measuring assembly (10) comprises a vertical middle plate (1001) connected with the cross beam (4), a sensor unit vertically and fixedly arranged at the lower part of the middle plate (1001), a connecting plate (1003) fixedly arranged at the lower part of the sensor unit, and a pressing plate (11) fixedly connected to the bottom of the connecting plate (1003) and used for applying pressure to the anti-pinch strip; the beam (4) is connected with a driving device, and the sensor unit is electrically connected with the secondary instrument (1).

3. The vehicle anti-pinch strip airtightness detection device according to claim 1, wherein the driving device comprises a ball screw linear module (7) vertically and fixedly arranged at the top of the test platform (13) and a motor in transmission connection with the ball screw linear module (7), a slide block of the ball screw linear module (7) is fixedly connected with the cross beam (4), and a slide seat of the ball screw linear module (7) is fixedly connected with the test platform (13).

4. The vehicle anti-pinch strip airtightness detection device according to claim 3, wherein the top of the test platform (13) is rotatably connected with the transmission shaft (9) parallel to the cross beam (4), the ball screw linear modules (7) are two arranged at two ends of the transmission shaft (9), two ends of the transmission shaft (9) are respectively in transmission connection with the corresponding ball screw linear modules (7) through bevel gear pairs (8), and the motor is in transmission connection with the transmission shaft (9).

5. The device for detecting the airtightness of the vehicular anti-pinch strip according to claim 3, wherein the motor is a servo motor (6).

6. The device for detecting the airtightness of the vehicular anti-pinch strip according to claim 1, wherein a column (5) is fixedly arranged on the test platform (13), and the instrument platform (3) is slidably connected with the column (5).

7. The device for detecting the airtightness of the vehicular anti-pinch strip according to claim 6, wherein a vertical screw is rotatably connected to one side of the upright column (5), and the test platform (13) and the screw are in threaded transmission.

8. The device as claimed in claim 2, wherein the sensor unit is a pressure sensor and a displacement sensor fixedly connected to the pressure sensor.

9. The airtightness detection apparatus for the anti-pinch strip of the vehicle as claimed in claim 2, wherein said sensor unit is a pressure-displacement integrated sensor (1002).