CN219200753U

CN219200753U - Sensor test fixture

Info

Publication number: CN219200753U
Application number: CN202223240846.1U
Authority: CN
Inventors: 秦金明; 白琳琳; 张鹏
Original assignee: Luoyang Hanglu Electronic Technology Co ltd
Current assignee: Luoyang Hanglu Electronic Technology Co ltd
Priority date: 2022-12-05
Filing date: 2022-12-05
Publication date: 2023-06-16
Anticipated expiration: 2032-12-05

Abstract

The utility model relates to a sensor testing jig. The technical scheme adopted is as follows: the lower part of the photoelectric sensor is provided with a lower die, the center of the upper surface of the lower die is provided with a rectangular sinking groove, the right side of the front side wall of the rectangular sinking groove is outwards provided with a semicircular wire releasing groove, the upper surface of the periphery of the rectangular sinking groove is provided with a circular ring sinking groove, the circular ring sinking groove is communicated with the semicircular wire releasing groove, a sealing gasket is fixedly arranged in the circular ring sinking groove and the semicircular wire releasing groove, the side wall of the die body at the front end of the semicircular wire releasing groove is in threaded connection with a supporting block, the supporting block is provided with a semicircular notch right against the position of the front end of the semicircular wire releasing groove, an upper die is arranged right above the lower die, the upper die is similar to the lower die in structure, the upper surface of the upper die is in threaded connection with a flange plate, the upper part of the flange plate is fixedly connected with a cylinder fixing tube, the side wall of the cylinder fixing tube is provided with threaded connection fixing screws, the left side wall of the lower die is symmetrically provided with limiting grooves, and the left and right limiting grooves are respectively inserted with a pressing block. The utility model has the beneficial effects that: the installation and the test are convenient.

Description

Sensor test fixture

Technical Field

The utility model belongs to the field of sensor testing jigs, and relates to a sensor testing jig.

Background

When the finished product of the photoelectric sensor is tested for waterproofness, the photoelectric sensor is required to be placed in a closed container for testing under pressure, and because the volume of the photoelectric sensor is smaller, the test method is required to inflate and deflate the closed container, and has lower test efficiency.

Therefore, the utility model provides a sensor testing jig, which solves the problems.

Disclosure of Invention

In view of the problems existing in the prior art, the utility model discloses a sensor testing jig, which adopts the technical scheme that the sensor testing jig comprises a photoelectric sensor and is characterized in that: the lower part of the photoelectric sensor is provided with a lower die, the center of the upper surface of the lower die is provided with a rectangular sinking groove, the right side of the front side wall of the rectangular sinking groove is outwards provided with a semicircular sinking groove, the upper surface of the periphery of the rectangular sinking groove is provided with a circular sinking groove, the circular sinking groove is communicated with the semicircular sinking groove, a sealing gasket is fixedly arranged in the circular sinking groove and the semicircular sinking groove, the side wall of the die body at the front end of the semicircular sinking groove is in threaded connection with a supporting block, the supporting block is opposite to the front end of the semicircular notch, the upper die is arranged right above the lower die, the center of the lower surface of the upper die is provided with a rectangular sinking groove, the right side of the front side wall of the rectangular sinking groove is outwards provided with a semicircular sinking groove, the periphery of the rectangular sinking groove is provided with a circular sinking groove, the circular sinking groove is communicated with the semicircular sinking groove, the circular sinking groove is fixedly arranged in the semicircular sinking groove, the side wall of the front end of the semicircular sinking groove is in threaded connection with a supporting block, the side wall of the front end of the semicircular sinking groove is opposite to the supporting block, the side wall of the front end of the semicircular sinking groove is in threaded connection with a flange of the cylinder, and the threaded flange is fixedly connected with the threaded flange of the front end of the flange of the cylinder; the upper die and the lower die are assembled together before forming an inner hollow structure, and the upper sealing gasket and the lower sealing gasket seal the inner hollow structure, so that a sealed environment is provided for the test of the photoelectric sensor, and the air tightness detection of the photoelectric sensor is realized by matching with a press machine, so that the waterproof property of the photoelectric sensor is judged.

As a preferable scheme of the utility model, the front and rear edges of the right side of the bottom of the rectangular sinking groove are respectively and fixedly connected with a sensor limiting column, an air pipe is also arranged in the middle of the front side wall of the lower die in a sealing way, and the air pipe is communicated with the rectangular sinking groove; through seting up spacing post of sensor, ensure that photoelectric sensor passes through its mounting hole cartridge upper portion, guarantee the stability in the test procedure to and after the test is accomplished, prevent that the mould from mentioning and taking photoelectric sensor, cause the pencil to pull, cause the damage.

As a preferable scheme of the utility model, limit grooves are symmetrically formed on the left and right side walls of the lower die, and a pressing block is respectively inserted into the limit grooves; ensuring that the lower die can be quickly arranged on the working table of the press machine through the pressing block.

As a preferable scheme of the utility model, a notch is formed in the middle of the pressure-stopping block, and a limit screw is inserted into the notch; through setting up the notch, can nimble adjustment end the position of briquetting to this adjustment lower mould's position makes things convenient for its and last mould counterpoint.

As a preferable scheme of the utility model, the left rear corner and the right front corner of the upper surface of the lower die are respectively provided with a guiding and positioning column, and the positions of the upper die, which are opposite to the lower guiding and positioning column, are respectively provided with a positioning hole; the upper die and the lower die are tightly pressed together each time, alignment anastomosis of the upper die and the lower die can be realized, and the upper sealing gasket and the lower sealing gasket can be tightly aligned and sealed and closed together.

The utility model has the beneficial effects that: the upper die is fast fixedly connected with a cylinder of the press machine through the cylinder fixing pipe, the upper die and the lower die are sealed in a closed space formed by upper and lower rectangular sinking grooves through sealing gaskets, then high-pressure gas is introduced through a gas pipe at the front end of the lower die, whether the photoelectric sensor is under corresponding test pressure or not is judged through pressure maintaining to a preset test threshold value, the air tightness is good, the waterproof performance of the device can be judged, and the device is convenient to install, convenient to operate and high in universality.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of a lower die of the present utility model;

fig. 3 is a schematic diagram of an upper die of the present utility model.

In the figure: the photoelectric sensor comprises a 1-photoelectric sensor, a 2-lower die, a 3-upper die, a 4-flange plate, a 5-cylinder fixing pipe, a 6-pressing block, a 21-rectangular sinking groove, a 22-semicircular wire releasing groove, a 23-circular sinking groove, a 24-sealing gasket, a 25-supporting block, a 251-semicircular notch, a 26-sensor limiting column, a 27-air pipe, a 28-limiting groove, a 29-guiding positioning column, a 31-positioning hole, a 51-fixing screw, a 61-notch and a 62-limiting screw.

Detailed Description

Example 1

As shown in FIG. 1, the sensor testing jig adopts the technical scheme that the sensor testing jig comprises a photoelectric sensor 1, wherein the photoelectric sensor 1 adopts a photoelectric sensor with a wire.

As shown in fig. 2, a lower die 2 is disposed at the lower part of the photoelectric sensor 1, a rectangular sinking groove 21 is disposed at the center of the upper surface of the lower die 2, a semicircular slot 22 is disposed on the right side of the front side wall of the rectangular sinking groove 21, a circular ring sinking groove 23 is disposed on the upper surface of the periphery of the rectangular sinking groove 21, the circular ring sinking groove 23 is communicated with the semicircular slot 22, a sealing gasket 24 is fixedly disposed in the circular ring sinking groove 23 and the semicircular slot 22, the side wall of the die body at the front end of the semicircular slot 22 is in threaded connection with a supporting block 25, a semicircular notch 251 is disposed at the position where the supporting block 25 faces the front end of the semicircular slot 22, the front and rear sides of the right side edge of the bottom of the rectangular sinking groove 21 are fixedly connected with a sensor limiting post 26, the middle of the front side wall of the lower die 2 is also provided with an air pipe 27 in a sealing manner, the air pipe 27 is communicated with the rectangular sinking groove 21, the left side wall and the right side wall of the lower die 2 are symmetrically provided with limit grooves 28, the left rear corner and the right front corner of the upper surface of the lower die 2 are respectively provided with a guide positioning column 29, the lower die 2 and the upper die 3 are sealed in a closed space formed by the upper rectangular sinking groove 21 and the lower rectangular sinking groove through upper sealing gaskets 24, and then the photoelectric sensor 1 is judged whether to be under corresponding test pressure or not by maintaining pressure to a preset test threshold value through high-pressure air pipe 27 at the front end of the lower die 2, so that the waterproof performance of the photoelectric sensor 1 can be judged.

As shown in fig. 3, an upper die 3 is disposed directly above the lower die 2, a rectangular sinking groove 21 is formed in the center of the lower surface of the upper die 3, a semicircular positioning groove 22 is formed on the right side of the front side wall of the rectangular sinking groove 21, a circular sinking groove 23 is formed on the outer surface of the rectangular sinking groove 21, the circular sinking groove 23 is communicated with the semicircular positioning groove 22, a sealing gasket 24 is fixedly mounted in the circular sinking groove 23 and the semicircular positioning groove 22, the side wall of the die body at the front end of the semicircular positioning groove 22 is in threaded connection with a supporting block 25, a semicircular notch 251 is formed in the position, opposite to the front end of the semicircular positioning groove 22, of the upper die 3, a positioning hole 31 is formed in the position, opposite to the lower guiding positioning column 29, of the upper die 3, the positioning hole 31 and the lower guiding positioning column 29 are correspondingly inserted together, and the positions of the sealing gasket 24 can be correspondingly matched together when the upper die 3 and the lower die 2 are pressed each time, and a good sealing effect is achieved.

As shown in fig. 1, the upper surface of the upper die 3 is screwed with a flange 4.

As shown in fig. 1, the upper part of the flange plate 4 is fixedly connected with a cylinder fixing pipe 5, a hole on the side wall of the cylinder fixing pipe 5 is connected with a fixing screw 51 in a threaded manner, the cylinder fixing pipe 5 is fixedly sleeved on a telescopic rod of a cylinder of a press machine, and then the telescopic rod is locked through the fixing screw 51, so that the upper die 3 is fixedly installed on the cylinder of the press machine.

As shown in fig. 1, the stop blocks 6 are respectively inserted into the left and right stop grooves 28, a notch 61 is formed in the middle of the stop block 6, a stop screw 62 is inserted into the notch 61, one end of the stop block 6 is respectively inserted into the left and right stop grooves 28 of the lower die 2, and then the lower die 2 is fixed on the press working table by sequentially penetrating the stop screw 62 into the notch 61 and threaded holes in the press working table.

The working principle of the utility model is as follows: when the waterproof test device is used, the lower die 2 is placed on a working table of a press machine, the lower die 2 is fixedly installed on the working table of the press machine through the limit screws 61 matched with the limit pressing blocks 6 on the left side and the right side of the lower die 2, then the upper die 3 is fixedly sleeved on a telescopic arm of a cylinder of the press machine through the cylinder fixing pipe 5 on the upper part, the upper die 3 is downwards close to the lower die 2, two guide positioning columns 28 on opposite angles of the lower die 2 are respectively inserted into the positioning holes 31 on opposite angles of the upper die 3, namely, the alignment of the upper die 3 and the lower die 2 is completed, then the limit screws 61 on the limit pressing blocks 6 on the left side and the right side of the lower die 2 are locked, then the air pipe 26 on the front side of the lower die 2 is communicated with high-pressure gas, the photoelectric sensor 1 to be tested is placed into the rectangular sinking groove 21 of the lower die 2, and in the placing process, the mounting holes on the front and the right side edges of the photoelectric sensor 1 to be tested are respectively aligned with the sensor limit columns 26 in the rectangular sinking groove 21, so that when the waterproof test is performed on the photoelectric sensor 1, the rectangular sinking groove 21 is not displaced, and meanwhile, the stability of the photoelectric sensor 1 is not displaced in the rectangular sinking groove 21 is ensured, the photoelectric sensor 1 is well pressed into the sealing cushion 21, and the sealing cushion 1 is completely through the sealing cushion 2, and the sealing cushion 2 is formed, and the sealing performance of the sealing cushion is well after the sealing cushion 2 is completely pressed in the sealing cushion 2, and the sealing cushion is formed, and the sealing cushion is passed through the sealing cushion 2, and the sealing cushion is well, and the sealing cushion is sealed, and the sealing cushion is well and the sealing cushion is sealed.

Electrical connections or structures not described in detail herein are prior art.

Although the specific embodiments of the present utility model have been described in detail, the present utility model is not limited to the above embodiments, and various changes and modifications without inventive labor may be made within the scope of the present utility model without departing from the spirit of the present utility model, which is within the scope of the present utility model.

Claims

1. The utility model provides a sensor test fixture, includes photoelectric sensor (1), its characterized in that: the lower part of the photoelectric sensor (1) is provided with a lower die (2), the center of the upper surface of the lower die (2) is provided with a rectangular sinking groove (21), the right side of the front side wall of the rectangular sinking groove (21) is outwards provided with a semicircular sinking groove (22), the upper surface of the periphery of the rectangular sinking groove (21) is provided with a circular sinking groove (23), the circular sinking groove (23) is communicated with the semicircular sinking groove (22), a sealing gasket (24) is fixedly arranged in the circular sinking groove (23) and the semicircular sinking groove (22), the side wall of the die body at the front end of the semicircular sinking groove (22) is in threaded connection with a supporting block (25), the supporting block (25) is just opposite to the position of the front end of the semicircular sinking groove (22), the upper die (3) is arranged right above the semicircular sinking groove (22), the center of the lower surface of the upper die (3) is provided with a rectangular sinking groove (21), the right side wall of the front side wall of the rectangular sinking groove (23) is outwards provided with a semicircular sinking groove (22), the circular sinking groove (23) is fixedly arranged between the circular sinking groove (23) and the circular sinking groove (23), the die body side wall threaded connection supporting block (25) of semicircle wire groove (22) front end, supporting block (25) just set up semicircle breach (251) to the position of semicircle wire groove (22) front end, upper surface threaded connection ring flange (4) of going up mould (3), the upper portion fixed connection cylinder fixed tube (5) of ring flange (4), cylinder fixed tube (5) lateral wall trompil threaded connection set screw (51).

2. The sensor testing jig of claim 1, wherein: the sensor limiting columns (26) are fixedly connected to the front and rear edges of the right side of the bottom of the rectangular sinking groove (21) respectively, an air pipe (27) is further installed in a sealing mode through an opening in the middle of the front side wall of the lower die (2), and the air pipe (27) is communicated with the rectangular sinking groove (21).

3. The sensor testing jig of claim 1, wherein: limiting grooves (28) are symmetrically formed in the left side wall and the right side wall of the lower die (2), and the pressing blocks (6) are respectively inserted into the limiting grooves (28).

4. A sensor testing jig according to claim 3, wherein: a notch (61) is formed in the middle of the pressing block (6), and a limit screw (62) is inserted into the notch (61).

5. The sensor testing jig of claim 1, wherein: the left rear corner and the right front corner of the upper surface of the lower die (2) are respectively provided with a guide positioning column (29), and the positions of the upper die (3) opposite to the lower guide positioning column (29) are respectively provided with a positioning hole (31).