CN117325123A - Multipurpose automatic test bench - Google Patents

Abstract

The invention provides a multipurpose automatic test bench in the technical field of vehicle-mounted display screen key testing, which comprises a bracket body, wherein a group of guide rails are arranged on the bracket body, a group of fixing frames capable of moving along the guide rails are arranged on the guide rails, two movable sleeves capable of moving along the front and back directions of the fixing frames are arranged on the fixing frames, movable rods are sleeved in the movable sleeves, the movable rods can also lift and fall, a supporting tray is arranged at the upper end of each movable rod, a fixture is connected to the fixing frames, a plurality of arc-shaped positioning holes are formed in the fixing frames, the fixture can rotate along the arc-shaped positioning holes, clamping rods capable of moving in the front and back directions are arranged on the fixture, and a clamping disc is arranged at one inward end of each clamping rod; the invention is convenient to use and has wide application range.

Description

Multipurpose automatic test bench

Technical Field

The invention belongs to the technical field of vehicle-mounted display screen key testing, and particularly relates to a multipurpose automatic testing bench.

Background

The DA product of the vehicle-mounted display screen needs repeated key touch and function press verification for a plurality of times and tens of thousands of times for each new product, and the automatic test bench can save a large amount of manpower. However, the automatic test bench is greatly influenced by the field, the quantity and the efficiency, and how to realize the rapid positioning and clamping of the existing DA products by using the same bench is a difficult problem in the current industry.

In recent years, along with the development of society and the progress of science and technology, highly intelligent and informationized vehicles are increasingly increased, and a vehicle-mounted display screen becomes an important component in a modern intelligent vehicle, and in the actual production process, the vehicle-mounted display screen needs to repeatedly perform key touch and function press verification on the assembled vehicle-mounted display screen so as to ensure the use quality of products.

At present, the DA product of the vehicle-mounted display screen is mainly divided into an integrated machine and a split machine. The integrated machine is composed of a front screen and a host machine, and can be clamped by using the regular shape of the host machine; the front screen of the split machine is different in appearance and irregularly clamped and positioned on a plane, so that different testing machines are required to be manufactured for different split machine display screens with different appearances for testing, the application range is narrow, the testing cost is increased, and the testing is inconvenient, therefore, the quick clamping and positioning of DA products of the vehicle-mounted display screens with different appearances on the same bench is a difficult problem for the automatic testing of the keys and the touch functions of the vehicle-mounted display screens.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to solve the defects in the prior art, solves the technical problems of high test cost and inconvenient test in the prior art, and provides a multipurpose automatic test bench which is convenient to use and wide in application range.

The purpose of the invention is realized in the following way: the utility model provides a multipurpose automation test rack, includes the support body, be equipped with a set of guide rail on the support body, install a set of mount that can follow the guide rail and remove on the guide rail, be equipped with two movable sleeves that can follow the mount fore-and-aft direction and remove on the mount, movable sleeve endotheca is equipped with the movable rod, the movable rod still liftable, the upper end of movable rod is equipped with the support tray, be connected with the anchor clamps on the mount, it has a plurality of arc locating hole to open on the mount, the anchor clamps can rotate along the arc locating hole, be equipped with the clamping lever that can remove in the fore-and-aft direction on the anchor clamps, the one end that the clamping lever is inwards is equipped with the clamping plate.

When the split type display screen is required to be tested, the fixing frame is moved to a required position along the guide rail in the left-right direction, the moving rod is moved to a required position along the fixing frame in the front-back direction, the moving rod is lifted to a required position in the height direction, the lower end of the split type display screen is supported on the supporting tray, and the supporting tray can stably support the split type display screen; aiming at the all-in-one machine, the display screen host machine part is clamped by the clamping disc by utilizing the clamping rod moving in the front-back direction, the position of the tested host machine is fixed, the parallelism between the display screen and the plane of the tested key and the plane of the frame body is realized, the effective simulation of the pressing of the display screen key by the mechanical arm is ensured, and the testing is carried out. The invention can meet the clamping of various display screen products with different shapes, greatly improves the variety range of the tested display screen products, has convenient test, convenient adjustment and wide application range; the test device can be applied to test work of the keys of the vehicle-mounted display screen.

In order to realize the clamp and rotate, accurate graduation, the clamp is close to arc locating hole department and is equipped with the arc pinion rack, arc locating hole department is equipped with the arc rack that can mesh with the arc pinion rack, when the arc pinion rack rolls along the arc rack, the clamp rotates along the arc locating hole, still open a plurality of hinge hole on the mount, be equipped with the fixed knob of joinable hinge hole on the clamp, still be equipped with the adjust knob that can insert the arc locating hole on the clamp.

In order to realize the spacing of movable rod in direction of height and fore-and-aft direction, it has last spout and lower spout to open on the mount, it passes the spout to remove the cover, and it is downthehole that the spout is arranged in to remove the cover lower extreme, it has the side spout to open to the side of mount, still includes spacing knob, spacing knob can pass side-slip groove threaded connection and sheathe in removing, when the one end locking movable rod of spacing knob inwards, the end of spacing knob is contradicted on the mount, and spacing knob is spacing to the position of movable rod fore-and-aft direction and direction of height.

In order to realize that the switching support is fixed on the mount, both ends are equipped with the switching support respectively around the mount, it has the mounting hole to open on the switching support, be equipped with the fixed orifices on the mount, the mounting hole can be with the coaxial heart of fixed orifices, be connected with the fixed screw on the switching support, when the fixed screw connects gradually mounting hole and fixed orifices, switching support connects on the mount.

Further, a sliding block is arranged on the switching support, the sliding block can move along the guide rail, and a positioning knob capable of limiting the sliding block is arranged on the sliding block.

Realize that the clamping lever removes in the fore-and-aft direction of anchor clamps, the outside one end of clamping lever is equipped with twist grip, clamping lever threaded connection is on anchor clamps.

Further, still include mechanical fixing base, mechanical fixing base connects on the locating plate, be equipped with rotatable and the manipulator that can overturn from top to bottom on the mechanical fixing base, still be equipped with the cantilever on the support body, be equipped with the camera on the cantilever.

Further, the positioning plate is provided with a strip-shaped groove and a connecting screw, and the mechanical fixing seat is connected with the positioning plate through the connecting screw.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a schematic structural diagram of the present invention.

Fig. 3 is a schematic structural diagram of the second embodiment of the present invention.

FIG. 4 is a schematic view of the rotation of the fixture of the present invention along an arc-shaped locating hole.

Fig. 5 is a schematic view of the fixture of the present invention being converted to other arcuate pilot holes.

Fig. 6 is a schematic view of a fixing frame according to the present invention.

Fig. 7 is a schematic view of a fixing frame and a lifting rod according to the present invention.

Fig. 8 is an assembly schematic of the clamp of the present invention.

Fig. 9 is a partial enlarged view of fig. 8 at a.

Fig. 10 is a schematic diagram of the principle of the arc rack of the fixing frame meshed with the arc toothed plate of furniture.

Fig. 11 is an assembly schematic diagram of the fixing frame and the adapter frame of the present invention.

Fig. 12 is a partial enlarged view at B in fig. 11.

In the figure: 1. the device comprises a frame body, 2 guide rails, 3 sliding blocks, 4 switching supports, 5 positioning knobs, 6 fixing frames, 6a hinge holes, 6b arc positioning holes, 6b-1 arc racks, 6c upper sliding grooves, 6d lower sliding grooves, 6e side sliding grooves, 7 clamps, 7a arc toothed plates, 8 rotating handles, 9 tested screen hosts, 10 cameras, 11 cantilevers, 12 mechanical arms, 13 mechanical fixing seats, 14 positioning plates, 14a strip-shaped grooves, 14b connecting screws, 15 limiting knobs, 16 fixing screws, 17 mounting holes, 18 adjusting knobs, 19 fixing holes, 20 clamping rods, 21 clamping plates, 22 moving rods, 23 moving sleeves, 24 supporting trays and 25 fixing knobs.

Description of the embodiments

The invention is further described below with reference to the accompanying drawings.

The multipurpose automatic test bench shown in figures 1-12 comprises a frame body 1, a group of guide rails 2 are arranged on the frame body 1, a group of fixing frames 6 capable of moving along the guide rails 2 are arranged on the guide rails 2, a transfer bracket 4 is respectively arranged at the front end and the rear end of the fixing frames 6, mounting holes 17 are formed in the transfer bracket 4, fixing holes 19 are formed in the fixing frames 6, the mounting holes 17 can be coaxial with the fixing holes 19, fixing screws 16 are connected to the transfer bracket 4, when the fixing screws 16 are sequentially connected with the mounting holes 17 and the fixing holes 19, the transfer bracket 4 is connected to the fixing frames 6, a sliding block 3 is arranged on the transfer bracket 4, the sliding block 3 can move along the guide rails 2, a positioning knob 5 capable of limiting the sliding block 3 is arranged on the sliding block 3, two moving sleeves 23 capable of moving along the front and rear directions of the fixing frames 6 are arranged on the fixing frames 6, moving sleeves 23 are sleeved with moving rods 22, the moving rods 22 can also lift, supporting trays 24 are arranged at the upper ends of the moving rods 22, clamps 7 are connected to the fixing frames 6, a plurality of arc-shaped positioning holes 6b are formed in the fixing frames 6, the arc-shaped positioning holes 6 can rotate along the fixing holes 6b, when the fixing clamps 7 are sequentially connected with the fixing holes 17 and the fixing holes 19, a plurality of arc-shaped positioning holes 6b are connected to the arc-shaped positioning plates 6b are rotatably, a plurality of arc-shaped positioning holes 6b are meshed with arc-shaped positioning plates are arranged on the fixing frames 6a, the arc-shaped positioning knob 7a, and arc-shaped positioning knob 23 are meshed with the arc-shaped positioning knob 7a, and the arc-shaped positioning knob 1 a, and the arc positioning knob 1 is meshed with the arc positioning device, and the arc 3, and the arc positioning device, and the arc 3 is meshed with the arc positioning device, and the two positioning device, and the two slide 3 and the two and the positioning device. The lower extreme of the movable sleeve 23 is arranged in the lower chute 6d, the side edge of the fixed frame 6 is provided with a sideslip groove 6e, the movable sleeve further comprises a limit knob 15, the limit knob 15 can penetrate through the side chute 6e and is connected to the movable sleeve 23 through a through hole in a threaded mode, when one end of the limit knob 15 facing inwards locks the movable rod 22, the end of the limit knob 15 is abutted to the fixed frame 6, the limit knob 15 limits the position of the movable rod 22 in the front-back direction and the height direction, a clamping rod 20 capable of moving in the front-back direction is arranged on the clamp 7, one end of the clamping rod 20 facing inwards is provided with a clamping disc 21, one end of the clamping rod 20 facing outwards is provided with a rotary handle 8, the clamping rod 20 is connected to the clamp 7 through a thread mode, the movable sleeve further comprises a mechanical fixing seat 13, the mechanical fixing seat 13 is connected to the positioning plate 14, a rotatable manipulator capable of turning up and down is arranged on the mechanical fixing seat 13, a cantilever 11 is further arranged on the frame 1, a camera 10 is arranged on the cantilever 11, a strip groove 14a and a connecting screw 14b are arranged on the positioning plate 14, and the mechanical fixing seat 13 is connected with the positioning plate 14 through the connecting screw 14 b.

When the invention is used for testing the integrated display screen, the sliding block 3 can be moved in the left-right direction according to the tested screen host machine 9 with different structural shapes, the sliding block 3 moves along the guide rail 2, the sliding block 3 drives the fixing frame 6 to move, the positioning knob 5 is fixed, the clamping disk 21 moves towards the tested screen host machine 9 by rotating the rotating handle 8 until the tested screen host machine is clamped by the clamping disk 21, the clamping fixation of the tested screen host machine 9 is realized, the clamp 7 is assembled on the fixing frame 6 by matching the hinging holes 6a through the fixing knob 25, the installation position of the clamp 7 on the fixing frame 6 can be adjusted according to the tested screen host machine 9 with different structural shapes, the clamp 7 rotates by taking the hinging holes 6a as hinging points, the fixing knob 25 and the adjusting knob 18 are unscrewed slightly, the adjusting knob 18 moves along the arc-shaped positioning hole 6b, the adjusting knob 18 drives the clamp, the clamp drives the tested screen host 9 to conduct angle adjustment in the plane, the arc rack 6b-1 on the arc positioning hole 6b and the arc toothed plate 7a on the clamp 7 are matched in an engaging mode to conduct angle adjustment, accurate indexing is better, the display panels of the tested screen host 9 with different structural shapes and the tested keys are parallel to the upper surface of the frame body 1, after the position adjustment, the adjusting screw 18 is screwed down, the position of the display panel of the tested screen host 9 is fixed, when the split type display screen is tested, the limiting knob 15 is unscrewed, the moving rod 22 is lifted to a required position along the moving sleeve 23 in the height direction, then the moving rod 22 is moved to the required position along the fixed frame 6, after the position adjustment, the front end of the limiting knob 15 is propped against the moving rod 22 through the screwing action of the limiting knob 15, thereby controlling the positioning of the moving lever 22 in the height direction; because the limit knob 15 can be abutted against the fixed frame 6 when being screwed up, the position of the movable rod 22 can be controlled in the front-rear direction at the same time, so that one knob screwing action is realized, the front-rear and height positions can be positioned at the same time and clamped fixedly, the lower end of the split type display screen can be supported on the supporting tray 24 at last, the supporting tray 24 can stably support the split type display screen, the mechanical arm 1212 effectively simulates and presses the display screen keys, the joints of the cantilever 11 of the camera 10 can freely rotate, the camera 10 can monitor the display screen images and key functions, and the detection data of the key functions are recorded, analyzed and judged by combining with the matched components including a detector, a computer and a display, so that the efficient simulation of pressing the display screen keys is realized, and the test is performed, and the invention has the following advantages that: when the parallelism of the tested display screen product is adjusted, the preset position is screwed by the fixed knob 25, then the tested display screen product is rotated, the arc toothed plate 7a has the function of turning to an ideal test position and then screwing the adjusting knob 18 through the indexing hand feeling of the arc toothed plate 7a and the angle observation of the key function touch rod on the mechanical arm 12, so that the parallelism of the display screen is prevented from being adjusted by repeatedly tightening the adjusting knob 25; the invention can meet the clamping requirements of various display screen products with different shapes, greatly improves the variety range of the display screen products to be tested, has convenient test and adjustment and wide application range; the same test bench meets the requirements of different structures and different shapes of display screen products for positioning and clamping, so that the universality of the test bench is greatly improved, and a large amount of test room space is saved; the test device can be applied to test work of the keys of the vehicle-mounted display screen.

The invention is not limited to the above embodiments, and based on the technical solutions disclosed in the invention, those skilled in the art may make some substitutions and modifications to some technical features without creative effort according to the technical disclosure, and these substitutions and modifications are all within the protection scope of the invention.

Claims (8)

1. The utility model provides a multipurpose automation test rack, includes the support body, be equipped with a set of guide rail on the support body, install a set of mount that can follow the guide rail and remove on the guide rail, its characterized in that: the fixing frame is provided with two movable sleeves capable of moving along the front-back direction of the fixing frame, the movable sleeves are sleeved with movable rods, the movable rods can be lifted, the upper ends of the movable rods are provided with supporting trays, the fixing frame is connected with a clamp, the fixing frame is provided with a plurality of arc-shaped locating holes, the clamp can rotate along the arc-shaped locating holes, the clamp is provided with clamping rods capable of moving in the front-back direction, and one inward end of each clamping rod is provided with a clamping disc.

2. A multipurpose automated test stand according to claim 1, wherein: the fixture is close to arc locating hole department and is equipped with the arc pinion rack, arc locating hole department is equipped with the arc rack that can mesh with the arc pinion rack, when the arc pinion rack rolls along the arc rack, the fixture can rotate along the arc locating hole, still open a plurality of hinge hole on the mount, be equipped with the fixed knob in joinable hinge hole on the fixture, still be equipped with the adjust knob that can insert the arc locating hole on the fixture.

3. A multipurpose automated test stand according to claim 2, wherein: the fixing frame is provided with an upper sliding groove and a lower sliding groove, the movable sleeve penetrates through the upper sliding groove, the lower end of the movable sleeve is arranged in the lower sliding groove, the side edge of the fixing frame is provided with a side sliding groove and further comprises a limit knob, the limit knob can penetrate through the side sliding groove to be connected to the movable sleeve in a threaded mode, when one inward end of the limit knob locks the movable rod, the end of the limit knob is abutted to the fixing frame, and the limit knob limits the positions of the front and back directions and the height directions of the movable rod.

4. A multipurpose automated test stand according to claim 3, wherein: the front end and the rear end of the fixing frame are respectively provided with a switching support, the switching supports are provided with mounting holes, the fixing frame is provided with fixing holes, the mounting holes can be coaxial with the fixing holes, the switching supports are connected with fixing screws, and when the fixing screws are sequentially connected with the mounting holes and the fixing holes, the switching supports are connected onto the fixing frame.

5. The multipurpose automated test stand of claim 4, wherein: the switching support is provided with a sliding block, the sliding block can move along the guide rail, and the sliding block is provided with a positioning knob capable of limiting the sliding block.

6. The multipurpose automated test stand of claim 5, wherein: the outward one end of clamping rod is equipped with twist grip, clamping rod threaded connection is on anchor clamps.

7. The multipurpose automated test stand of claim 6, wherein: the mechanical fixing seat is connected to the locating plate, a rotatable manipulator capable of turning up and down is arranged on the mechanical fixing seat, a cantilever is further arranged on the frame body, and a camera is arranged on the cantilever.

8. The multipurpose automated test stand of claim 7, wherein: the positioning plate is provided with a strip-shaped groove and a connecting screw, and the mechanical fixing seat is connected with the positioning plate through the connecting screw.