阅读说明：本技术 一种摄像头气密性测试装置 (Camera gas tightness testing arrangement ) 是由 陈升明 杨炎坤 欧阳威 于 2019-11-27 设计创作，主要内容包括：本发明涉及一种摄像头气密性测试装置,属于气密性检测设备技术领域,包括所述的摄像头气密性测试装置包括支架、测试机构、直线导轨、圆形笔型气缸；测试机构包括下压气缸、上腔体、下腔体,下压气缸安装在支架上,下压气缸的活塞杆穿过支架顶部后其端部与上腔体的顶部连接,上腔体上开设有检测用通气孔,上腔体的正下方设置有一组直线导轨,直线导轨上安装有能够与上腔体扣合的下腔体,下腔体与圆形笔型气缸的活塞杆端部固定连接。本发明通过将测试机构的上腔体与下腔体分开设置,且下腔体能够实现移动,从而将摄像头从上一工位移动到检测工位,避免了人力搬运摄像头的工作；同时,采用上腔体与下腔体密闭扣合后对摄像头进行检测,测试精度高。(The invention relates to a camera air tightness testing device, which belongs to the technical field of air tightness detection equipment and comprises a support, a testing mechanism, a linear guide rail and a circular pen-shaped air cylinder, wherein the support is arranged on the support; the testing mechanism comprises a down-pressing cylinder, an upper cavity and a lower cavity, the down-pressing cylinder is installed on the support, the end portion of a piston rod of the down-pressing cylinder is connected with the top of the upper cavity after penetrating through the top of the support, an air vent for detection is formed in the upper cavity, a group of linear guide rails are arranged right below the upper cavity, the lower cavity capable of being buckled with the upper cavity is installed on the linear guide rails, and the lower cavity is fixedly connected with the end portion of the piston rod of the round pen-shaped cylinder. According to the invention, the upper cavity and the lower cavity of the testing mechanism are separately arranged, and the lower cavity can move, so that the camera is moved from the upper station to the detection station, and the work of manually carrying the camera is avoided; meanwhile, the camera is detected after the upper cavity and the lower cavity are closed and buckled, and the testing precision is high.)

1. The utility model provides a camera gas tightness testing arrangement which characterized in that: the camera air tightness testing device comprises a support (1), a testing mechanism, a linear guide rail (2) and a circular pen-shaped cylinder (3);

the testing mechanism comprises a down-pressing cylinder (4), an upper cavity (5) and a lower cavity (6), wherein the down-pressing cylinder (4) is fixedly installed on a support (1), a piston rod of the down-pressing cylinder (4) penetrates through the top of the support (1) and then the end of the piston rod is fixedly connected with the top of the upper cavity (5), a detection air vent is formed in the upper cavity (5), a group of linear guide rails (2) are arranged under the upper cavity (5), a lower cavity (6) capable of being buckled with the upper cavity (5) is installed on the linear guide rails (2), and the lower cavity (6) is fixedly connected with the end of the piston rod of the circular pen-shaped cylinder (3).

2. The camera airtightness testing device according to claim 1, wherein: the camera airtightness testing device is provided with three testing mechanisms, the pressing cylinders (4) of the three testing mechanisms are arranged on the support (1) in a row, and each testing mechanism is correspondingly provided with a group of linear guide rails (2) and a circular pen-shaped cylinder (3).

3. The camera airtightness testing apparatus according to claim 1 or 2, wherein: the camera airtightness testing device further comprises a PLC (programmable logic controller) (10), the pressing cylinder (4) is connected with the PLC (10) through an electromagnetic valve, the circular pen-shaped cylinder (3) is connected with the PLC (10) through an electromagnetic valve, a material detector (11) is installed in each lower cavity (6), and the material detectors (11) are connected with the PLC (10).

4. A camera head airtightness testing apparatus according to claim 1, 2 or 3, wherein: the front end and the rear end of each group of linear guide rails (2) are respectively provided with a buffer (7) used for limiting the front and the rear of the lower cavity (6).

5. The camera airtightness testing apparatus according to claim 1 or 2, wherein: a guide shaft (8) is installed at the top of the upper cavity (5), and a linear bearing (9) used for guiding the guide shaft (8) is installed on the support (1).

Technical Field

The invention belongs to the technical field of air tightness detection equipment, and particularly relates to a camera air tightness testing device.

Background

When the camera is assembled, the shell and the end cover are generally welded by a welding technology, and the sealing performance of a welding seam is directly related to the sealing performance of the whole camera.

An assembly production line of a camera is required to be manufactured at present, automatic assembly and testing of a plurality of stations are achieved, and one process is to perform air tightness testing. However, the currently used camera air tightness testing device cannot realize automatic detection, and the camera is manually placed into the detecting device for detection.

In order to stop manual operation and improve the consistency rate of test conditions, the application provides a device capable of automatically testing the air tightness of the camera.

Disclosure of Invention

In order to overcome the problems in the background art, the invention provides a camera air tightness testing device, an upper cavity and a lower cavity of a testing mechanism are separately arranged, and the lower cavity can move, so that a camera is moved from a previous station to a detection station, and the work of manually carrying the camera is avoided; meanwhile, the camera is detected after the upper cavity and the lower cavity are closed and buckled, and the testing precision is high.

In order to realize the purpose, the invention is realized by the following technical scheme:

a camera airtightness testing device comprises a support 1, a testing mechanism, a linear guide rail 2 and a circular pen-shaped air cylinder 3.

The testing mechanism include push down cylinder 4, go up cavity 5, lower cavity 6, push down cylinder 4 fixed mounting is on support 1, its tip and the top fixed connection who goes up cavity 5 behind the piston rod of push down cylinder 4 passed support 1's the top, go up and seted up on the cavity 5 and detect and use the air vent, be provided with a set of linear guide 2 under going up cavity 5, install on the linear guide 2 can with the lower cavity 6 of last cavity 5 lock, lower cavity 6 and the piston rod tip fixed connection of circular pen type cylinder 3.

Further, the camera air tightness testing device is provided with three testing mechanisms, the lower air cylinders 4 of the three testing mechanisms are arranged on the support 1 in a row, and each testing mechanism is correspondingly provided with a group of linear guide rails 2 and a circular pen-shaped air cylinder 3.

Further, camera gas tightness testing arrangement still include PLC10, down the air cylinder 4 and be connected with PLC10 through the solenoid valve, circular pen type cylinder 3 passes through the solenoid valve and is connected with PLC10, installs a material detector 11 in every cavity 6 down, material detector 11 is connected with PLC 10.

Furthermore, the front end and the rear end of each group of linear guide rails 2 are respectively provided with a buffer 7 for limiting the front and the rear of the lower cavity 6.

Further, a guide shaft 8 is installed at the top of the upper cavity 5, and a linear bearing 9 for guiding the guide shaft 8 is installed on the support 1.

The invention has the beneficial effects that:

according to the invention, the upper cavity and the lower cavity of the testing mechanism are separately arranged, and the lower cavity can move, so that the camera is moved from the upper station to the detection station, and the work of manually carrying the camera is avoided; meanwhile, the camera is detected after the upper cavity and the lower cavity are closed and buckled, and the testing precision is high.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic diagram of a PLC of the present invention;

FIG. 3 is a schematic wiring diagram of the circular pen cylinder of the present invention;

FIG. 4 is a schematic wiring diagram of the material detector of the present invention;

fig. 5 is a schematic wiring diagram of the hold-down cylinder of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention and the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1, the camera airtightness testing device comprises a support 1, a testing mechanism, a linear guide rail 2 and a circular pen-shaped cylinder 3.

The testing mechanism include push down cylinder 4, go up cavity 5, lower cavity 6, push down cylinder 4 fixed mounting is on support 1, its tip and the top fixed connection who goes up cavity 5 behind the piston rod of push down cylinder 4 passed support 1's the top, go up and seted up on the cavity 5 and detect and use the air vent, be provided with a set of linear guide 2 under going up cavity 5, install on the linear guide 2 can with the lower cavity 6 of last cavity 5 lock, lower cavity 6 and the piston rod tip fixed connection of circular pen type cylinder 3. Through last cavity 5 on set up be used for the air vent that detects be connected with airtight tester, the camera that will detect is placed down in cavity 6, then cavity 6 is the branch line motion along linear guide 2 under promoting through circular pen type cylinder 3, when cavity 6 moves the below of last cavity 5 down, circular pen type cylinder 3 stop work, work by air cylinder 4 down this moment, it seals on cavity 6 down to promote cavity 5 lock, the camera accounts for more than fifty percent of cavity volume, then aerify in the sealed cavity that cavity 5 and cavity 6 lock formed down through airtight tester, judge whether there is gas to enter into the camera according to the shared volume of camera, thereby realize the test of the gas tightness of camera.

In the invention, preferably, the camera air tightness testing device is provided with three testing mechanisms, the lower air cylinders 4 of the three testing mechanisms are arranged on the bracket 1 in a row, and each testing mechanism is correspondingly provided with a group of linear guide rails 2 and a circular pen-shaped air cylinder 3. Carry out the gas tightness test through three accredited testing organization to the camera, can improve efficiency of software testing.

In the present invention, as shown in fig. 2 to 5, preferably, the camera airtightness testing apparatus further includes a PLC10, the down-pressure cylinder 4 is connected to the PLC10 through an electromagnetic valve, the circular pen-shaped cylinder 3 is connected to the PLC10 through an electromagnetic valve, a material detector 11 is installed in each lower cavity 6, and the material detector 11 is connected to the PLC 10. Through adopting PLC10 independent control each air cylinder 4 and circular pen type cylinder 3 cylinder down, place the camera that will need the test in corresponding cavity 6 down after, material detector 11 in this cavity 6 down detects behind the camera, and give PLC10 with signal transmission, corresponding circular pen type cylinder 3 cylinder motion corresponding stroke is controlled by PLC10, make the motion of the lower cavity 6 that carries the camera to the below of last cavity 5, then PLC10 controls the corresponding stroke of air cylinder 4 work down again, make the lock of last cavity 5 seal on cavity 6 down, then test the gas tightness of camera through airtight tester again. In the present invention, three testing mechanisms are preferably provided, so that each testing mechanism can be controlled by the PLC10 to work,

in the invention, preferably, the front end and the rear end of each group of linear guide rails 2 are respectively provided with a buffer 7 for limiting the front and the rear of the lower cavity 6, and the accurate alignment of the closed cavities can be ensured by arranging the corresponding buffers 7.

In the invention, preferably, a guide shaft 8 is installed at the top of the upper cavity 5, and a linear bearing 9 for guiding the guide shaft 8 is installed on the bracket 1; through setting up guiding axle 8, can guarantee that upper chamber 5 can follow a straight line steady operation in the up-and-down motion process.

The working process of the invention is as follows:

after this material detector 11 in the lower cavity 6 detects the camera, and give PLC10 with the signal transmission, by the corresponding stroke of 3 cylinder motion of the corresponding circular pen type cylinder of PLC10 control, make the lower cavity 6 who carries the camera move to the below of last cavity 5, then PLC10 is controlled down and is pushed down the corresponding stroke of cylinder 4 work again, make and go up cavity 5 lock and seal on cavity 6 down, the camera accounts for more than fifty percent of cavity volume, then aerify in the sealed cavity that cavity 5 and lower cavity 6 lock formed through airtight tester, judge whether there is gas to enter into the camera according to the volume that the camera accounts for, thereby realize the test of the gas tightness of camera. The invention is provided with three testing mechanisms which are automatically controlled by a PLC10, when one pair of testing cavities is opened to carry out loading and unloading, the other two pairs of cavities are still tested intermittently, so that the testing time of the whole machine is matched with the production rhythm of the whole line.

According to the invention, the upper cavity and the lower cavity of the testing mechanism are separately arranged, and the lower cavity can move, so that the camera is moved from the upper station to the detection station, the work of carrying the camera by manpower is avoided, and the automatic detection of the camera air tightness testing device is realized; meanwhile, the camera is detected after the upper cavity and the lower cavity are closed and buckled, and the testing precision is high.

Finally, it is noted that the above-mentioned embodiments illustrate rather than limit the invention, and that, although the invention has been described in detail with reference to preferred embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention as defined by the appended claims.