CN211930768U

CN211930768U - Positioning mechanism of STB WIFI automatic check-up equipment

Info

Publication number: CN211930768U
Application number: CN202020974072.7U
Authority: CN
Inventors: 曾琦; 唐锋; 蔡跃祥; 李振果; 黄梦杰
Original assignee: Xiamen Hongtai Intelligent Manufacturing Co Ltd
Current assignee: Xiamen Hongtai Intelligent Manufacturing Co Ltd
Priority date: 2020-06-01
Filing date: 2020-06-01
Publication date: 2020-11-13
Anticipated expiration: 2030-06-01

Abstract

The utility model discloses a positioning mechanism of a set-top box WIFI automatic calibration device, which comprises a machine body base, a positioning main body, a power line, a network cable, a test line and three groups of plugging and unplugging components respectively used for plugging and unplugging the power line, the network cable and the test line; the positioning main body is provided with a positioning groove attached with a PCBA of the set top box; the three groups of plug-in components are all fixed on the machine body base and are respectively matched with the power line, the network cable and the test line; the utility model is provided with a positioning main body and three groups of pulling and inserting components, wherein the positioning main body is provided with a positioning groove for laminating the PCBA of the set-top box, and the positioning groove 21 is used for placing the PCBA of the set-top box and plays a role in limiting the PCBA of the set-top box; and three groups of pull-plug components are respectively matched with the power line, the network cable and the test cable and used for inserting the power line, the network cable and the test cable into the PCBA of the set top box or pulling the power line, the network cable and the test cable out, so that automatic production is realized by matching with automatic calibration equipment, the production efficiency is greatly improved, and the labor cost is reduced.

Description

Positioning mechanism of STB WIFI automatic check-up equipment

Technical Field

The utility model relates to a technical field of STB WIFI check-up especially relates to a positioning mechanism of STB WIFI automatic check-up equipment.

Background

In the production process of the set top box, WIFI verification is an important step of subsequent assembly of the whole set top box, and the WIFI verification is that the PCBA of the set top box with the assembled plug-ins such as a power connector, a network cable connector and a test pin is manually placed into a test tool, then the test tool is placed in a shielding box, and a power line, a network cable and a test line are connected. During testing, the jig number is scanned, the high-temperature bar code is filled in the testing software, the shielding box is closed, and the testing software automatically starts testing. During manual testing, the circuit board needs to be manually grabbed, the power line, the network cable and the test line need to be plugged, and codes need to be manually scanned.

The fundamental reason that manual operation is needed for WIFI verification is that the PCBA of the set top box cannot be positioned in a test tool, so that automatic production of the set top box cannot be realized, production efficiency of the set top box is reduced, and labor cost is increased.

In view of this, the present designer is deeply conceived aiming at many deletions and inconveniences caused by the incomplete perfection in the above-mentioned set-top box WIFI calibration process, and actively researches, improves, tries and develops the present invention.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a positioning mechanism of STB WIFI automatic check-up equipment for location STB PCBA to cooperation STB automated production improves production efficiency, reduces the cost of labor.

In order to achieve the above purpose, the solution of the present invention is:

a positioning mechanism of a set top box WIFI automatic calibration device comprises a machine body base, a positioning main body, a power line, a network cable, a test line and three groups of plugging components which are respectively used for plugging the power line, the network cable and the test line; the machine body base is arranged on the test frame; the positioning main body is fixed on the machine body base and is provided with a positioning groove attached with a PCBA of the set top box; the three groups of pulling and inserting components are fixed on the machine body base, are respectively matched with the power line, the network cable and the test cable and are used for inserting the power line, the network cable and the test cable into the PCBA of the set top box or pulling the power line, the network cable and the test cable out.

The pulling and inserting assembly comprises a pulling and inserting cylinder, a connecting plate and a wire head fixing block; the plugging cylinder is fixed on the machine body base; one end of the connecting plate is fixed on a piston rod of the pull-plug cylinder, and the other end of the connecting plate extends towards the positioning groove and is used for fixedly mounting the wire end fixing block; one end of the power line, one end of the network cable and one end of the test line are all matched with the line head fixing block.

The positioning mechanism further comprises a fixing component, and the fixing component comprises a rotary pressing cylinder, an L-shaped connecting rod and a buffer block; the rotary pressing cylinder is matched on the machine body base; one end of the L-shaped connecting rod is connected to the end part of the movable rod of the rotary pressing cylinder, and the other end of the L-shaped connecting rod is used for fixedly mounting the buffer block; the buffer block is driven by the rotary pressing cylinder to move in and out of the positioning groove.

The buffer block is made of rubber.

A sunken groove is formed in the positioning groove, and a photoelectric sensor is installed in the sunken groove.

The edge of the positioning groove is provided with at least one first positioning pin, the upper part of the first positioning pin is a cone, and the lower part of the first positioning pin is a cylinder.

The middle part of constant head tank is provided with at least one second locating pin, be equipped with the locating hole on the STB PCBA, the second locating pin is worn to establish in the locating hole, the upper portion of second locating pin is cone and/or rhombus cone.

After the scheme is adopted, the utility model is provided with the positioning main body and three groups of pulling and inserting components, the positioning main body is provided with the positioning groove attached with the PCBA of the set-top box, and the positioning groove 21 is used for placing the PCBA of the set-top box and plays a role in limiting the PCBA of the set-top box; and three groups of pull-plug components are respectively matched with the power line, the network cable and the test cable and used for inserting the power line, the network cable and the test cable into the PCBA of the set top box or pulling the power line, the network cable and the test cable out, so that automatic production is realized by matching with automatic calibration equipment, a production mode of manual operation is replaced, the production efficiency is greatly improved, and the labor cost is reduced.

Drawings

FIG. 1 is a schematic structural diagram of a preferred embodiment of the present invention;

fig. 2 is a schematic structural diagram of an automatic calibration device equipped with the positioning mechanism of the present invention;

FIG. 3 is a schematic structural view II of an automatic calibration device equipped with the positioning mechanism of the present invention;

FIG. 4 is a first schematic structural diagram of a shielding box in the automatic calibration equipment equipped with the positioning mechanism of the present invention;

FIG. 5 is a schematic structural diagram II of a shielding box in the automatic calibration equipment equipped with the positioning mechanism of the present invention;

fig. 6 is a schematic structural view of a four-axis shifting mechanism in the automatic calibration equipment equipped with the positioning mechanism of the present invention;

FIG. 7 is a schematic structural view of a code scanning mechanism in the automatic calibration equipment equipped with the positioning mechanism of the present invention;

fig. 8 is an installation of the utility model discloses sweep a yard mechanism and demolish enclosure's schematic structure view in positioning mechanism's the automatic check-up equipment.

Detailed Description

In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following embodiments.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

As shown in fig. 1 to 8, for a preferred embodiment of the positioning mechanism of the set-top box WIFI automatic calibration device of the present invention, the positioning mechanism 6 includes a machine body base 61, a positioning main body 62, a power line 63, a network cable 64, a test line 65, and three groups of plugging/unplugging components 66 respectively used for plugging/unplugging the power line 63, the network cable 64, and the test line 65; the machine body base 61 is arranged on the test frame 1; the positioning main body 62 is fixed on the machine body base 61 and is provided with a positioning groove 621 attached to the set-top box PCBA300, and the positioning groove 621 is used for placing the set-top box PCBA300 and plays a limiting role for the set-top box PCBA 300; the three groups of pulling and inserting components 66 are all fixed on the machine body base 61 and are respectively matched with the power line 63, the network line 64 and the test line 65, and are used for inserting or pulling the power line 63, the network line 64 and the test line 65 into or out of the PCBA300 of the set top box.

The positioning mechanism 6 of the utility model is used in cooperation with an automatic calibration device, which comprises a code scanning mechanism 100 and a mobile testing mechanism 200; the mobile testing mechanism 200 comprises a testing frame 1, a four-axis moving and placing mechanism 2, a control system 3, a testing machine 4 and a shielding box 5, wherein the four-axis moving and placing mechanism 2, the control system 3, the testing machine 4 and the shielding box 5 are arranged on the testing frame 1; the positioning mechanism 6 of the utility model is arranged in the shielding box 5; the control system 3 is respectively electrically connected with the code scanning mechanism 100, the four-axis moving and placing mechanism 2, the testing machine 4, the shielding box 5 and the positioning mechanism 6, and is used for controlling the code scanning mechanism 100, the four-axis moving and placing mechanism 2, the testing machine 4, the shielding box 5, the positioning mechanism 6 and transmitting data; the four-axis shifting mechanism 2 is movably arranged in the production line of the positioning mechanism 6 and the set top box PCBA300 in a reciprocating mode and is used for moving and placing the set top box PCBA 300.

During the production process of the set top box, the set top box PCBA300 with the assembled power connectors, network cable connectors, test pins and other plug-ins needs to be subjected to WIFI verification, the set top box PCBA300 is placed in a tray and placed on a pallet of a production line, and the set top box PCBA300 is conveyed by the production line.

The code scanning mechanism 100 is matched above the production line, and when the set top box PCBA300 flows from the lower part of the code scanning mechanism 100 under the conveying of the production line, the code scanning mechanism 100 can scan and identify the bar code on the set top box PCBA300 to obtain jig bar code information and high-temperature bar code information; and the information is sent to the testing machine 4 through the control system 3, so that the testing machine 4 can store the information of the corresponding set top box PCBA300 to match with the subsequent corresponding test.

The mobile testing mechanism 200 is matched at one side of the production line, when in use, the set top box PCBA300 which finishes code scanning flows to the mobile testing mechanism 200, when the set top box PCBA passes through the mobile testing mechanism 200, the production line stops conveying, at the moment, the shielding box 5 is opened, the set top box PCBA300 on the production line is grabbed by the four-axis shifting mechanism 2, and the set top box PCBA is moved and placed in the positioning groove 621 of the positioning main body 62 in the shielding box 5; the power supply connector, the network cable connector and the test pins on the set-top box PCBA300 correspond to three groups of plugging components 66 for plugging the power supply line 63, the network cable 64 and the test cable 65 respectively; then, a power line 63, a network cable 64 and a test line 65 are respectively inserted on a power connector, a network cable connector and a test pin on the set-top box PCBA300 through the three groups of plugging components 66, the power line 63 provides power for the set-top box PCBA300, and the set-top box PCBA300 is in communication connection with the test machine 4 through the network cable 64 and the test line 65; and then, the shielding box 5 is closed, and the testing machine 4 is utilized to carry out WIFI verification on the PCBA300 of the set top box through the testing software.

After the WIFI verification is completed, the shielding box 5 is opened, and the power line 63, the network cable 64 and the test line 65 are respectively pulled out of the set top box PCBA300 through the three groups of pulling and inserting components 66; then, the four-axis moving mechanism 2 is used to grab the set-top box PCBA300 in the positioning groove 621, move and place the set-top box PCBA on the production line, and convey the set-top box PCBA to the next process.

Of course, the shielding boxes 5 and the positioning mechanisms 6 in the automatic checking device are arranged in pairs, the number of the shielding boxes and the positioning mechanisms is not unique, the shielding boxes and the positioning mechanisms can be arranged according to actual production needs, in this embodiment, the testing frame 1 is provided with three mounting layers 11, and three pairs of shielding boxes 5 and positioning mechanisms 6 are mounted on each mounting layer 11. During the use, four-axis moves puts mechanism 2 all can remove each positioning mechanism 6 department of each installation layer 11, so, above-mentioned four-axis moves puts mechanism 2 and can carry out the operation to nine sets of shielded cells 5 and positioning mechanism 6 to production efficiency has been improved greatly.

The utility model is characterized in that the utility model is provided with a positioning main body 62 and three groups of pulling and inserting components 66, the positioning main body 62 is provided with a positioning groove 621 attached to the PCBA300 of the set-top box, the positioning groove 621 is used for placing the PCBA300 of the set-top box and plays a limiting role for the PCBA300 of the set-top box; and three groups of pull-plug components 66 are respectively matched with the power line 63, the network cable 64 and the test line 65 and used for inserting the power line 63, the network cable 64 and the test line 65 into the PCBA300 of the set top box or pulling the power line, the network cable 64 and the test line 65 out, so that automatic production is realized by matching with automatic calibration equipment, a production mode of manual operation is replaced, the production efficiency is greatly improved, and the labor cost is reduced.

The code scanning mechanism 100 comprises a code scanning frame 101, a camera 102 and a camera annular light source 103; the code scanning camera 102 is arranged at the top of the code scanning frame 101; the camera annular light source 103 is matched with the camera 102 to supplement light for image taking of the camera 102. When the code scanning frame 101 is used, the code scanning frame 101 is erected above a production line, so that the camera scanning 102 and the camera annular light source 103 are assembled above the production line, and the code scanning frame 102 is matched to scan and identify a bar code on the PCBA300 of the set top box.

The code scanning mechanism 100 further comprises a baffle plate 104 and a lighting lamp 105, the baffle plate 104 is mounted on the code scanning frame 101 and encloses a code scanning space 106, and the lighting lamp 105 is fitted in the code scanning space 106. Thus, the illuminating lamp 105 can provide a light supplementing light source for image taking of the scanning camera 102, and is not affected by external light, so that the code scanning of the scanning camera 102 is more stable and accurate.

The plugging assembly 66 comprises a plugging cylinder 661, a connecting plate 662 and a wire head fixing block 663; the plugging cylinder 661 is fixed on the machine body base 61; one end of the connecting plate 662 is fixed on the piston rod of the plugging cylinder 661, and the other end extends toward the positioning groove 621 and is used for fixedly mounting the stub fixing block 663; one ends of the power line 63, the network line 64 and the test line 65 are all fitted on the line head fixing block 663. When the plug-in air cylinder 661 is in use, the connecting plate 662 and the thread end fixing block 663 are driven by the piston rod to move back and forth towards the positioning groove 621, and then the power line 63, the network line 64 and the test line 65 on the thread end fixing block 663 are plugged in the power connector, the network line connector and the test pin of the set-top box PCBA300 or are plugged out from the set-top box PCBA300 in a matching manner.

The positioning mechanism 6 further includes a fixing assembly 67, the fixing assembly 67 includes a rotary push-down cylinder 671, an L-shaped link 672 and a buffer block 673; the rotary pressing cylinder 671 is matched on the machine body base 61; one end of the L-shaped link 672 is connected to the end of the movable rod of the rotary hold-down cylinder 671, and the other end is used for fixedly mounting a buffer block 673; the buffer block 673 moves into and out of the positioning groove 621 under the driving of the rotary depressing cylinder 671.

Before the set-top box PCBA300 is placed in the positioning groove 621, the rotary hold-down cylinder 671 drives the L-shaped link 672 to move upward and rotate outward from the positioning groove 621, so as to prevent the L-shaped link 672 from interfering with the four-axis moving and placing mechanism 2 to move and place the set-top box PCBA300 in the positioning groove 621. After the set top box PCBA300 is placed in the positioning groove 621, the rotating downward pressing air cylinder 671 drives the L-shaped connecting rod 672 to move downward and rotate towards the positioning groove 621 at the same time until the buffer block 673 is tightly pressed against the upper end face of the set top box PCBA300, the set top box PCBA300 is tightly pressed and fixed in the positioning groove 621, the set top box PCBA300 is prevented from shifting, and therefore the power line 63, the network cable 64 and the test line 65 can be accurately inserted into the set top box PCBA300 through the plugging component 66.

The above-mentioned buffer block 673 is made of rubber. The rubber is a high-elasticity polymer material with reversible deformation, can not only compress and fix the PCBA300 of the set top box, but also play a good role in buffering, and avoid scratching and damaging the PCBA300 of the set top box.

A sinking groove 622 is formed in the positioning groove 621, a photo sensor 623 is mounted in the sinking groove 622, and the photo sensor 623 is electrically connected to the control system 3. During the use, photoelectric sensor 623 can detect whether set-top box PCBA300 has been placed in the constant head tank 621 through detecting the laser to send this information for control system 3, make control system 3 can move set-top box PCBA300 into constant head tank 621 or shift out according to this information control four-axis displacement mechanism 2, and then realize automated production.

At least one first positioning pin 624 is disposed on the edge of the positioning groove 621, and the upper portion of the first positioning pin 624 is a cone and the lower portion thereof is a cylinder. Through being equipped with first locating pin 624, when four-axis moves mechanism 2 moved STB PCBA300 into locating slot 621, STB PCBA300 along the inclined plane of cone, when the vertical face moves down, can also have elastic characteristics horizontal migration on the plane with the help of sucking disc 27, and then adjusts STB PCBA 300's position for STB PCBA300 finally along the side of cylinder accurate entering locating slot 621 in, and then can ensure that insert power cord 63, net twine 64 and test wire 65 on STB PCBA 300's power connection, net twine joint and test stitch accurately.

The middle part of the positioning groove 621 is provided with at least one second positioning pin 625, the set-top box PCBA300 is provided with a positioning hole 301, the second positioning pin 625 penetrates through the positioning hole 301, and the upper part of the second positioning pin 625 is a cone and/or a diamond cone. Through the cooperation of the second positioning pin 625 and the positioning hole 301, the set-top box PCBA300 can be further placed in the positioning groove 621 to provide accurate positioning, and the power line 63, the network cable 64 and the test line 65 are further ensured to be accurately inserted into the power connector, the network cable connector and the test pin on the set-top box PCBA 300.

The four-axis moving mechanism 2 includes an X-axis moving unit 21, a Y-axis moving unit 22, a Z-axis moving unit 23, a first rotating machine 24, a mounting panel 25, a vacuum generator 26, and a suction cup 27; the X-axis moving assembly 21 is arranged on the test frame 1; the Y-axis moving assembly 22 is arranged on the X-axis moving assembly 21; the Z-axis moving assembly 23 is arranged on the Y-axis moving assembly 22; the first rotating machine 24 is mounted on the Z-axis moving assembly 23; one end of the mounting panel 25 is fixedly connected to the rotating shaft of the first rotary machine 24, and the other end is used for mounting the vacuum generator 26 and the suction cup 27; the vacuum generator 26 is connected to the suction cup 27 and the control system 3, respectively.

In use, the first rotary machine 24 can be moved in X, Y, Z three axes by the X-axis moving assembly 21, the Y-axis moving assembly 22 and the Z-axis moving assembly 23, so that the first rotary machine 24 is moved close to the positioning mechanism 6 or the production line; then, the mounting panel 25 is rotated by the first rotating machine 24, so that the suction cup 27 at one end of the mounting panel 25 is rotated to the position above the positioning mechanism 6 or the production line; then, the suction cup 27 is pressed against the PCBA300 of the set-top box through the Y-axis moving component 22; then, the suction cup 27 is vacuumized by the vacuum generator 26, so that the suction cup 27 can suck the set-top box PCBA300 to cooperate with the four-axis moving and placing mechanism 2 to move and place the set-top box PCBA 300. Through being equipped with first rotary machine 24 and installation panel 25, utilize first rotary machine 24 to rotate installation panel 25 to the top of positioning mechanism 6 for the Z axle moving assembly 23 in four-axis displacement mechanism 2 need not extend the setting to the top of positioning mechanism 6, has reduced automatic production equipment's size, also avoids Z axle moving assembly 23 to get into the positioning mechanism 6 top, hits positioning mechanism 6, causes the trouble in the removal process.

The four-axis moving and placing mechanism 2 further comprises a positioning camera 28, wherein the positioning camera 28 is mounted on the Z-axis moving assembly 23, faces the positioning mechanism 6, and is electrically connected to the control system 3. By providing the positioning camera 28, when the four-axis moving and placing mechanism 2 moves the set-top box PCBA300 into the positioning groove 621, the positioning camera 28 can provide positioning information for the four-axis moving and placing mechanism 2, so that the four-axis moving and placing mechanism 2 can accurately move the set-top box PCBA300 into the positioning groove 621.

The four-axis displacement mechanism 2 further comprises a pressure gauge 29, and the pressure gauge 29 is respectively connected with the vacuum generator 26 and the control system 3. When the device is used, the pressure gauge 29 can display the air pressure value of the vacuum generator 26 when the suction cup 27 is vacuumized in real time and feed the air pressure value back to the control system 3, the control system 3 can control the suction force of the suction cup 27 on the set top box PCBA300 according to the air pressure value, and the set top box PCBA300 is prevented from being damaged due to too large suction force or from falling off due to too small suction force; the staff also can judge whether four-axis moves and puts mechanism 2 normal work according to the pressure value that shows.

The four-axis shift mechanism 2 further includes an adapter plate 210 and a second rotator 211; the second rotating machine 211 is installed at one end of the installation panel 25; the adapter plate 210 is fixed to a rotation shaft of the second rotary machine 211, and two mounting portions for mounting the suction cups 27 are provided to extend from the center of the second rotary machine 211 to both sides. Through being equipped with two installation departments for install two sets of sucking discs 27, during the use, after sucking disc 27 of one side absorbs STB PCBA300, through rotatory adapter plate 210 of second rotary machine 211, change sucking disc 27 of the other one side of adapter plate 210 over and absorb another STB PCBA300 to can once remove, place two STB PCBAs 300, reduce the number of times that the four-axis moved and put mechanism 2 round trip movement, and then improve production efficiency.

The foregoing description of the specific exemplary embodiments of the invention has been presented for the purposes of illustration and description and is not intended to limit the invention to the precise forms disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application, to thereby enable others skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as may be suited to the particular use contemplated and contemplated by those skilled in the art without departing from the scope of the invention.

Claims

1. The utility model provides a positioning mechanism of STB WIFI automatic check-up equipment which characterized in that: the device comprises a machine body base, a positioning main body, a power line, a network cable, a test line and three groups of plugging components which are respectively used for plugging the power line, the network cable and the test line; the machine body base is arranged on the test frame; the positioning main body is fixed on the machine body base and is provided with a positioning groove attached with a PCBA of the set top box; the three groups of pulling and inserting components are fixed on the machine body base, are respectively matched with the power line, the network cable and the test cable and are used for inserting the power line, the network cable and the test cable into the PCBA of the set top box or pulling the power line, the network cable and the test cable out.

2. The positioning mechanism of the set-top box WIFI automatic calibration equipment according to claim 1, characterized in that: the pulling and inserting assembly comprises a pulling and inserting cylinder, a connecting plate and a wire head fixing block; the plugging cylinder is fixed on the machine body base; one end of the connecting plate is fixed on a piston rod of the pull-plug cylinder, and the other end of the connecting plate extends towards the positioning groove and is used for fixedly mounting the wire end fixing block; one end of the power line, one end of the network cable and one end of the test line are all matched with the line head fixing block.

3. The positioning mechanism of the set-top box WIFI automatic calibration equipment according to claim 1, characterized in that: the positioning mechanism further comprises a fixing component, and the fixing component comprises a rotary pressing cylinder, an L-shaped connecting rod and a buffer block; the rotary pressing cylinder is matched on the machine body base; one end of the L-shaped connecting rod is connected to the end part of the movable rod of the rotary pressing cylinder, and the other end of the L-shaped connecting rod is used for fixedly mounting the buffer block; the buffer block is driven by the rotary pressing cylinder to move in and out of the positioning groove.

4. The positioning mechanism of the set-top box WIFI automatic check-up equipment of claim 3, wherein: the buffer block is made of rubber.

5. The positioning mechanism of the set-top box WIFI automatic calibration equipment according to claim 1, characterized in that: a sunken groove is formed in the positioning groove, and a photoelectric sensor is installed in the sunken groove.

6. The positioning mechanism of the set-top box WIFI automatic calibration equipment according to claim 1, characterized in that: the edge of the positioning groove is provided with at least one first positioning pin, the upper part of the first positioning pin is a cone, and the lower part of the first positioning pin is a cylinder.

7. The positioning mechanism of the set-top box WIFI automatic calibration equipment according to claim 1, characterized in that: the middle part of constant head tank is provided with at least one second locating pin, be equipped with the locating hole on the STB PCBA, the second locating pin is worn to establish in the locating hole, the upper portion of second locating pin is cone and/or rhombus cone.