CN106628928B - Combined test assembly line - Google Patents

Abstract

The invention discloses a combined type test assembly line, which comprises a feeding mechanism, a cache assembly, a discharging mechanism and at least one test mechanism, wherein the feeding mechanism is arranged on the cache assembly; the feeding mechanism, the buffer storage assembly, the blanking mechanism and the frames of all the testing mechanisms are fixed in a mode that the side surfaces are sequentially connected, and the feeding mechanism, the buffer storage assembly, the blanking mechanism and all the testing mechanisms are respectively provided with a conveyor belt used for conveying trays for bearing materials so as to form a production line; the buffer assembly is provided with a blocking device for blocking the tray; according to the invention, the buffer component is additionally arranged in the test production line, so that the transmission of other trays is not influenced while the test operation progress of the whole test production line is adjusted; by adjusting the number of the testing mechanisms and the testing items, several tests can be simultaneously carried out on one testing production line, and the testing efficiency is improved; the tray and the materials are in one-to-one correspondence in the whole testing process by arranging codes on the tray and the materials, so that the whole-process controllability of the material testing is ensured.

Description

A combined test pipeline

technical field

The invention relates to an automated test pipeline, in particular to a test pipeline composed of multiple functional modules.

Background technique

At present, the shielding test line of common electronic communication products is large in size and complex in structure, and each functional mechanism on the line is fixedly installed in a structural member. As long as one functional mechanism fails, the entire line must be shut down for maintenance. The test capability of the line is also fixed. For example, there are usually several shielding boxes on a production line, and all shielding boxes share a set of transmission mechanism and loading and unloading mechanism, and unified calculation and management of all shielding boxes are carried out. Commercial use brings inconvenience.

SUMMARY OF THE INVENTION

The purpose of the present invention is to propose a combined test pipeline for the above technical problems.

The technical scheme adopted by the present invention to solve the above-mentioned technical problems is: a combined test assembly line, including a feeding mechanism, a feeding mechanism and at least one testing mechanism; the feeding mechanism, the feeding mechanism and the machine of each testing mechanism The racks are fixed in a way that their sides are connected in sequence, and the feeding mechanism, the feeding mechanism and each testing mechanism are respectively provided with conveyor belts for conveying trays carrying materials to form an assembly line; each testing mechanism is provided with at least one A test station and a test fixture, a buffer assembly, and a lifting device corresponding to each test station; the lifting device is used to lift the tray containing the material to be tested on the test station where it is located from the conveyor belt, and the lifting device The device includes two lifting plates arranged on both sides of the conveying surface of the conveyor belt and a driving mechanism for driving the lifting plates to rise and fall; the buffer assembly includes a blocking device for blocking the tray from entering the next test station.

In the present invention, the blocking device includes a base, a blocking hook and a driver, the base is arranged below the conveying surface and is fixed on a frame of the conveyor belt, and the blocking hook is hingedly connected to the body of the base and protrudes to the conveying surface of the conveyor belt under the driving of the driver to hook the tray to block the tray from moving forward.

In the present invention, each of the pallets is provided with a pallet identification code plate with an identification code for calibrating the pallet, and each material carried on the pallet is provided with a material identification code plate for calibrating the identification code of the material; The cache assembly includes an identification code collector arranged above the conveyor belt, and the identification code collector is used to collect the identification code of the pallet and the material carried on the pallet to establish a corresponding match, so that the pallet and the material carried on the pallet are matched. The material on the pallet corresponds uniquely throughout the test.

In the present invention, a waiting mechanism for temporarily storing trays is arranged between the feeding mechanism and the testing mechanism, and the waiting mechanism includes a conveyor belt installed in the rack and an identification code collector disposed above the conveyor belt, so A blocking device is provided on the conveyor belt of the waiting mechanism.

In the present invention, each of the testing mechanisms includes a robotic arm, the conveyor belt of the testing mechanism is independently arranged between the testing fixture and the robotic arm, and both the conveyor belt and the testing fixture are located on the side of the robotic arm. Within the stroke range; each of the test fixtures is provided with a sliding bracket and is inserted in the test station of the test mechanism in a pluggable manner.

In the present invention, the conveyor belts of the waiting mechanism and each testing mechanism include an upper conveyor belt and a lower conveyor belt disposed below the upper conveyor belt, and the upper conveyor belt and the lower conveyor belt have opposite conveying directions.

In the present invention, the upper conveyor belt and the lower conveyor belt of the waiting mechanism are respectively provided with blocking devices; the buffer assembly is provided on the upper conveyor belt of the testing mechanism.

In the present invention, the feeding mechanism is provided with a driving device, and through the driving device, the conveyor belt of the feeding mechanism is integrally moved in the frame of the feeding mechanism to align with the upper conveyor belt of the waiting mechanism And a first position for sending out trays and a second position for aligning with the lower conveyor belt of the waiting mechanism and for receiving trays.

In the present invention, the unloading mechanism is provided with a driving device, and through the driving device, the conveyor belt of the unloading mechanism is integrally moved in the frame of the unloading mechanism to align with the upper conveyor belt of the testing mechanism And a first position for receiving trays and a second position for aligning with the lower conveyor belt of the testing mechanism and for sending out trays.

In the present invention, the loading mechanism, the waiting mechanism, the unloading mechanism and each testing mechanism are respectively provided with a controller for control and monitoring, and the controller includes a display and an input device.

The present invention controls the test process of the tray in the test mechanism and the test rhythm of the entire test line by adding a lifting component and a buffer component in the test production line, and the passing lifting device and the blocking device of the buffer component control the testing process of the tray in the testing mechanism while the conveyor belt is not stopped. ; Control the rate at which the trays are fed into the testing mechanism by the waiting mechanism, so as to adjust the progress of the entire test production line without hindering the transfer of other trays; by adjusting the number of test institutions and test items, it can be carried out simultaneously on a test production line Several tests are carried out to improve the test efficiency; by setting codes on the trays and materials, the one-to-one correspondence between the trays and the materials in the whole process of the test is realized to ensure the controllability of the whole process of the material test.

Description of drawings

1 is a schematic structural diagram of a feeding mechanism in an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a cache component in an embodiment of the present invention;

3 is a schematic structural diagram of a testing mechanism in an embodiment of the present invention;

4 is a schematic diagram of the internal structure of a testing mechanism in an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a jig assembly in an embodiment of the present invention;

6 is a schematic structural diagram of a feeding mechanism in an embodiment of the present invention;

7 is a schematic diagram of a conveyor belt structure of a cache assembly in an embodiment of the present invention;

FIG. 8 is a schematic structural diagram of a blocking device of a cache assembly according to an embodiment of the present invention;

9 is a schematic structural diagram of a mechanical arm of a testing mechanism in an embodiment of the present invention;

10 is a schematic diagram of a conveyor belt structure of a testing mechanism in an embodiment of the present invention;

11 is a schematic structural diagram of a lifting device of a testing mechanism in an embodiment of the present invention;

FIG. 12 is a schematic structural diagram of a tray in an embodiment of the present invention.

Detailed ways

In order to illustrate the technical solutions of the present invention more clearly, the technical solutions of the present invention will be described in further detail below with reference to the accompanying drawings and embodiments. Obviously, the following descriptions are only some embodiments of the present invention, which will be useful to those skilled in the art. In other words, other embodiments can also be obtained based on these embodiments without creative effort.

1 to 12 , a combined testing assembly line includes a feeding mechanism 100 , a feeding mechanism 400 and at least one testing mechanism 300 ; the feeding mechanism 100 , the feeding mechanism 400 and the rack 1 of each testing mechanism 300 It is fixed in a way that the sides are connected in sequence, and the feeding mechanism 100, the feeding mechanism 400 and each testing mechanism 300 are respectively provided with a conveyor belt for conveying the tray 2 for carrying materials to form an assembly line; each testing mechanism 300 is provided with At least one test station and a test fixture 10, a buffer assembly, and a lifting device corresponding to each test station; the lifting device is used to lift the tray 2 containing the material to be tested on the test station where it is located from the conveyor belt, and the The lifting device includes two lifting plates arranged on both sides of the conveying surface of the conveyor belt and a driving mechanism 22 for driving the lifting plates to rise and fall; the buffer assembly includes a blocking device 11 for blocking the tray 2 from entering the next test station . Preferably, the blocking device 11 includes a base 12, a blocking hook 13 and a driver, the base 12 is disposed below the conveying surface of the conveyor belt and is fixed on the support of the conveyor belt, and the blocking hook 13 is hingedly connected to the body 23 of the base 12 through a rotating shaft, And under the drive of the driver, it protrudes to the top of the conveyor belt to hook the tray 2 to block the tray 2 from continuing to move forward; of course, the blocking hook 13 can also adopt a rocker structure, and the lifting and lowering of the blocking hook 13 can be realized by using a pneumatic cylinder or a hydraulic cylinder as a driver. .

During the test operation, after the tray 2 with the material to be tested is conveyed to the test station of the testing mechanism 300 by the conveyor belt, the blocking hook 13 of the blocking device 11 is lifted up to hook the tray 2 to realize the relative stillness of the tray 2, and the mechanical arm 9. Send the material to be tested into the test fixture 10 for the corresponding test, and at the same time, the vacated tray 2 is lifted off the conveying surface of the conveyor belt of the testing mechanism 300 by the lifting device and waits for the current material to complete the test, thereby the conveyor belt of the testing mechanism 300. The conveying surface gives way to the feed to realize the subsequent test station. After the material is tested, the robotic arm 9 puts the tested material back into the tray 2, and the lifting device puts the tray 2 back on the conveyor surface of the conveyor belt of the testing mechanism 300 to continue forwarding. The material discharge and tray 2 return actions can be The synchronization can also be carried out in steps, which are set according to the characteristics of the material. If the front test jig 10 is full, the blocking device 11 blocks the tray 2 until an empty test jig 10 appears in the front and then is released.

In a specific embodiment, in order to effectively monitor the pallet 2 and the material, each pallet 2 is provided with a pallet identification code plate with an identification code for calibrating the pallet 2, and each material carried on the pallet 2 is provided with a pallet identification code plate. There is a material identification code plate with an identification code for calibrating the material; the cache component includes an identification code collector 6 arranged above the conveyor belt, and the identification code collector 6 is used to collect the identification of the tray 2 and the material carried on the tray 2 . code and establish a corresponding match, so that the pallet 2 and the material carried on the pallet 2 uniquely correspond throughout the testing process. Specifically, both the pallet identification code plate and the material identification code plate are stickers printed with the corresponding identification code. In order to realize the one-to-one correspondence between the material and the pallet 2 during the whole testing process, after the material is loaded into the pallet 2, the test line collects the identification code through the identification code. The device 6 records the identification code of the pallet identification code plate on the pallet 2 and the identification code of the material identification code plate of the material loaded on the pallet 2 into the control system and establishes a corresponding matching relationship to ensure that the material and the pallet 2 are in the whole testing process. the only matching fit. Preferably, the identification code collector 6 is respectively disposed in each test station 300 and the unloading mechanism 400 to check and confirm the corresponding matching relationship between the material and the tray 2 in each step of the test process of the test line to ensure the test process. is accurate.

In a specific embodiment, in order to realize the stable bearing of the material, the tray 2 is provided with a positioning block 24 for fixing the material, at least a part of the tray 2 is made of soft magnetic material to form a magnetic attraction area 25, and the positioning block 24 is magnetic. material; preferably, the soft magnetic material can be iron-silicon alloy (silicon steel sheet), pure iron, low-carbon steel, and iron-aluminum alloy. The positioning block 24 is adsorbed to the magnetic attraction area 25 of the tray 2 , and at least three sides of the material carried on the tray 2 are provided with the positioning block 24 , and the material is fixed by the magnetic attraction between the positioning block 24 and the tray 2 . Specifically, the tray 2 can be partially or completely made of soft magnetic material, for example, engineering plastics can be used to manufacture the main body 23 of the tray 2, and then the soft magnetic material is embedded and fixed on the surface of the main body 23 to reduce the manufacturing cost; The upper surface of the main body 23 may be covered all over, or only a part of the surface of the main body 23 may be laid. The positioning block 24 is at least partially made of magnetic material, and is adsorbed on the soft magnetic material of the tray 2 by magnetic adsorption force. The number of the positioning block 24 can be increased or decreased according to the size and weight of the material. The shape and structure of materials such as electronic products or chips are generally relatively square. According to the principle of three points forming a stable plane, generally, a positioning block 24 can be set on the three sides of the material to meet the fixing requirements of the material. Preferably, the positioning block 24 includes a magnetic material adsorption part 21 and an L-shaped bearing part 22; the material is separated from the magnetic material adsorption part 21 by the bearing part 22, so as to prevent the material from being magnetized by direct contact with the magnetic material; In addition, the bearing portion 22 of the positioning block 24 adopts an L-shaped structure, the vertical sides of each positioning block 24 constitute a limit space, and the horizontal sides of each positioning block 24 constitute a bearing space to ensure the stable bearing of the material on the tray 2 .

In a specific embodiment, the relative position of the material in the tray 2 affects the motion accuracy of the robotic arm 9 of the testing mechanism 300, generally relying on the industrial cameras (the industrial cameras may be separate) provided in the waiting mechanism 200 and the testing mechanism 300. It can also be integrated with the identification code collector 6) for visual positioning, but the positioning is completely dependent on machine vision, and the positioning accuracy error is large. To this end, the surface of the tray 2 is provided with a positioning area 26 formed at least by a positioning grid, and the positioning area 26 is at least partially overlapped with the magnetic attraction area 25 . Preferably, the positioning grid of the positioning area 26 is composed of a square grid, which can be specifically arranged on a corner of the tray 2. After the material is carried on the tray 2, at least a part of the material is located in the positioning area 26, and passes through the positioning area 26. The positioning grid can quickly read and accurately identify and calibrate the relative position of the material and the tray 2 to ensure the accurate movement of the mechanical arm 9.

In a specific embodiment, when the test fixture 10 is completely full, the tray 2 cannot be fed into the test mechanism 300 . The waiting mechanism 200 includes a conveyor belt installed in the frame and an identification code collector 6 arranged above the conveyor belt. A blocking device 11 is provided on the conveyor belt of the waiting mechanism 200 . When all the test fixtures 10 in the test mechanism 300 are performing the test operation, the waiting mechanism 200 blocks the latest tray 2 carrying the material to be tested sent by the feeding mechanism 100 through the blocking device 11 to block the waiting mechanism 200 . On the conveyor belt, continue forwarding until the test fixture 10 is free. Specifically, the combined test assembly line with the waiting mechanism 200 added includes a feeding mechanism 100, a waiting mechanism 200, a feeding mechanism 400, and at least one testing mechanism 300; the feeding mechanism 100, the waiting mechanism 200, the feeding mechanism 400, and each of The frame 1 of the testing mechanism 300 is fixed in a manner that the sides are connected in sequence, and the feeding mechanism 100 , the waiting mechanism 200 , the unloading mechanism 400 and each testing mechanism 300 are respectively provided with conveyor belts for conveying the trays 2 for carrying materials To form an assembly line; the waiting mechanism 200 is provided with a blocking device 11 for blocking the tray 2, the blocking device 11 includes a base 12, a blocking hook 13 and a driver, and the base 12 is arranged below the conveyor belt of the waiting mechanism 200 and is fixed with the waiting mechanism On the rack 1, the blocking hook 13 is hingedly connected to the body 23 of the base 12 through the rotating shaft, and is driven by the driver to protrude above the conveying surface of the conveyor belt of the waiting mechanism 200 to hook the tray 2 and block the tray 2 from being sent into the testing mechanism. 300; if the test fixture 10 is empty, the blocking hook 13 is put down on the conveyor belt and continues to be fed into the tray 2.

The material is carried on the tray 2 and sent to the waiting mechanism 200 through the conveyor belt. The waiting mechanism 200 controls the tray 2 according to the working conditions of the testing mechanism 300. 2. The block stays in the waiting mechanism 200. After the blocking device 11 receives the command to block the tray 2, the driver works to drive the blocking hook 13 to rotate and protrude above the conveyor belt of the waiting mechanism 200 and hook the tray 2; when there is a test fixture 10 When empty, the driver drives the blocking hook 13 to rotate under the conveyor belt of the waiting mechanism 200 to release the tray 2, so as to ensure the orderly test operation of the test line; the driver can be an electric motor or a hydraulic motor.

In a specific embodiment, each testing mechanism 300 includes a robotic arm 9 installed in the rack 1, and the conveyor belt of the testing mechanism 300 is independently arranged between the test fixture 10 and the robotic arm 9; and the conveyor belt and the test fixture 10 All are located within the stroke range of the robotic arm 9 ; each test fixture 10 is provided with a sliding bracket and is inserted into the test station of the test mechanism 300 in a pluggable manner.

Specifically, the testing mechanism 300 includes a rack 1, a test fixture 10 installed in the rack 1, a robotic arm 9 and a conveyor belt independently arranged in the rack 1; the outer layer of the rack 1 is provided with corresponding baffles to form a The relatively closed space forms protection for the equipment installed in the rack 1, and is provided with a switchable maintenance door to facilitate the maintenance of the equipment. The robot arm 9 is arranged on one side of the rack 1, the test fixture 10 is arranged on the other side of the rack 1, the conveyor belt is arranged between the robot arm 9 and the test fixture 10, and the conveyor belt and the test fixture 10 are both arranged. Located within the stroke range of the robotic arm 9; each test fixture 10 is provided with a sliding bracket, and the test fixture 10 is inserted into the test station of the test mechanism 300 in a pluggable manner; the conveyor belt is provided with a The test fixtures 10 are in a one-to-one correspondence with waiting stations for entering and exiting materials for the test fixtures 10 ; alignment components are respectively provided between each test fixture 10 and the corresponding waiting station. Specifically, the conveyor belt is an independent functional module that is not fixedly installed in the rack 1. The three test fixtures 10 are installed in the rack 1 and are uniformly spaced in sequence along the length direction of the conveyor belt. The jig 10 corresponds to the waiting station one-to-one; the robot arm 9 is installed in the rack 1 and is located on the other side of the conveyor belt. Since the conveyor belt and the test fixture 10 are both located within the stroke range of the robot arm 9, the robot arm 9 It can realize that the material to be tested is placed in the tray 2 and sent to the position matching the test fixture 10 by the conveyor belt. The mechanical arm 9 grabs the material from the tray 2 and sends it into the test fixture 10 for corresponding testing activities. After the material test is completed, the robotic arm 9 grabs the material from the test fixture 10 and returns it to the corresponding tray 2 and sends it out by the conveyor belt. Since the relative position of the test fixture 10 and the conveyor belt is related to the motion accuracy of the manipulator 9, the manipulator 9 is fixedly installed on the frame 1, and the relative position is fixed, and the conveyor belt is placed in the frame 1 independently, for Therefore, alignment components are respectively provided between each test fixture 10 and the corresponding waiting station to individually adjust the relative position between the test fixture 10 and the waiting station of the conveyor belt to ensure that the test fixture 10 corresponds to the corresponding waiting station. The waiting station alignment is accurate. Preferably, the bottom of the transmission belt is provided with a universal wheel that is easy to move, so as to realize the relative movement between the test fixture 10 and the conveyor belt, and it is convenient to accurately arrange the relative position between the conveyor belt and the test fixture 10 through the alignment assembly, so as to ensure the conveyor belt. The waiting station of 10 exactly matches the position of the test fixture 10 .

Preferably, the rack 1 of the testing mechanism 300 is provided with a test station for inserting the test fixture 10, and the test fixture 10 is inserted into the test station of the rack 1 in a pluggable manner along the conveyor belt; A test fixture 10 includes a sliding bracket 101. The test fixture 10 is fixedly mounted on the sliding bracket 101 to form a movable functional module. In the waiting station for entering and exiting the material for the test fixture 10 ; alignment components are respectively provided between each test fixture 10 and the waiting station of the corresponding conveyor belt. The test fixture 10 is inserted into the test station of the rack 1 of the test mechanism 300 in a pluggable manner, and the relevant functional components of the test fixture 10 can be easily accessed by pulling the test fixture 10 out of the rack 1 When performing maintenance and changing test items, it is only necessary to pull out the test fixture 10 to be replaced from the rack 1 of the test mechanism 300 and then insert the selected test fixture 10. The operation is simple and quick. In addition, after all the test fixtures 10 are pulled out, the functional components installed in the rack 1 of the test mechanism 300 such as the conveyor belt and the robot arm 6 can be maintained through the test station for inserting the test fixtures 10 . Greatly reduces the difficulty of work.

In order to realize the precise alignment of the waiting station of the conveyor belt for feeding and discharging materials to the test jig 10 and the corresponding test jig 10; between the alignment magnet and the alignment magnet. Specifically, two test fixtures 10 are installed in the rack 1, and two waiting stations are provided on the conveyor belt. The alignment magnet of the assembly is installed on the support of the conveyor belt; of course, the installation positions of the alignment magnet and the alignment magnet can be reversed. The positioning operation between the test fixture 10 and the conveyor belt can be completed through the magnetic adsorption of the positioning magnet of the positioning assembly and the positioning suction iron, which is convenient and quick, and can greatly improve the installation efficiency. In other embodiments, the alignment magnets of the alignment assembly can also be replaced by alignment magnets. During installation, the magnetic pole positions of the two alignment magnets are adjusted, and the magnets attract each other to achieve mutual adsorption and positioning.

In a specific embodiment, the mechanical arm 9 includes a first fixed arm 14 fixedly mounted on the frame 1 , a second swing arm 15 disposed on the first fixed arm 14 , and a first swing arm 15 disposed on the second swing arm 15 . Three swing arms 16 , a fourth swing arm 17 disposed on the third swing arm 16 , and a gripper 18 disposed on the fourth swing arm 17 . Among them, the second swing arm 15 can rotate around the axis of the first fixed arm 14, and the fourth swing arm 17 can rotate and lift around its long axis at the outer end of the second swing arm 15, so as to realize the suction claw. Flexible movement. Because the grabbing requirements of different materials are different, for this reason, the gripper 18 includes four suction cups, an adjustment arm corresponding to the suction cups for adjusting the position of the suction cups, and a fixed part for carrying the adjustment arm; the fixed part is the same as the fourth suction cup. The rocker arm 17 is fixedly connected, each adjustment arm includes a first sub-arm and a second sub-arm, a first rotary joint is provided between the first sub-arm and the fixed part, and a second The rotary joint is provided with a suction cup at the free end of the second sub-arm. The mutual positional relationship between the fixed part, the first sub-arm and the second sub-arm is adjusted through the first rotary joint and the second rotary joint to form different claw shapes to meet the needs of grasping different materials and improve the adaptability of the equipment .

In a specific embodiment, each waiting station of the conveyor belt of each testing mechanism 300 is respectively provided with a set of lifting devices 19 including two lifting plates 21 and two A drive mechanism 22 for driving the lift plate 21 to rise and fall.

Each group of lifting devices 19 includes two lifting plates 21 symmetrically arranged on both sides of the conveying surface of the corresponding conveyor belt and two driving mechanisms 22 for driving the lifting plates 21 . The distance between the two lifting plates 21 is smaller than the width of the tray 2 to achieve the lifting of the tray 2, and the position of the lifting plate 21 is slightly lower than the position of the opposite side of the conveyor belt to prevent the lifting plate 21 from forming on the tray 2. Blocking, each lifting plate 21 is respectively equipped with a driving mechanism 22 for driving the lifting plate 21 to rise and fall, and the distance between the driving mechanisms 22 on both sides of the conveyor belt is larger than the size of the tray 2 . On the test assembly line, the conveying system is provided with a plurality of stations, and each station corresponds to a test fixture 10, that is, each station is equipped with a set of lifting devices 19, and the tray 2 carrying the material passes through the conveying surface. When transported to the designated station, the material enters the test fixture 10 for testing, and then the drive mechanism 22 of the lifting device 19 drives the lifting plate 21 to rise to lift the tray 2 up to wait for the material and give out the conveyor belt of the conveying system for subsequent trays. 2 can continue to move forward through the current station smoothly. After the material is tested in the test fixture 10, the lifting device 19 lowers the tray 2 back to the conveyor belt. After the material that has completed the test is discharged from the test fixture 10 and returned to the tray 2, the driving mechanism 22 drives the lifting plate 21 to descend to the conveyor belt. The tray 2 is returned to the conveyor belt and sent out by the conveyor belt.

In a specific embodiment, the conveyor belt of the waiting mechanism 200 and each testing mechanism 300 includes an upper conveyor belt 7 and a lower conveyor belt 8 disposed below the upper conveyor belt 7, and the conveying directions of the upper conveyor belt 7 and the lower conveyor belt 8 are opposite.

The upper conveyor belt 7 and the lower conveyor belt 8 of the waiting mechanism 200 are respectively provided with blocking devices 11 which block in opposite directions.

The feeding mechanism 100 is provided with a driving device, and through the driving device, the conveyor belt 4 of the feeding mechanism 100 is integrally moved in the frame 1 of the feeding mechanism 100 to the first conveyor belt 7 aligned with the upper conveyor belt 7 of the waiting mechanism 200 and used for sending out the tray 2 . The position A and the second position B are aligned with the lower conveyor 8 of the waiting mechanism 200 and used to receive the trays 2 .

The unloading mechanism 400 is provided with a driving device, and through the driving device, the conveyor belt 14 of the unloading mechanism 400 is integrally moved in the frame 1 of the unloading mechanism 400 to a first position aligned with the upper conveyor belt 7 of the testing mechanism 300 and used to receive the tray 2 C and a second position D that is aligned with the lower conveyor 8 of the testing mechanism 300 and used to deliver the trays 2 .

Specifically, when the test starts, the conveyor belt 4 of the feeding mechanism 100 is located at the first position A, and the tray 2 carrying the material is continuously fed into the upper conveyor belt 7 of the waiting mechanism 200 and conveyed forward by the upper conveyor belt 7. The testing mechanism 300 After the test is completed, the tray 2 is transported by the upper conveyor belt 7 of the testing mechanism 300 with the tested material and finally enters the unloading mechanism 400, and at the same time, the conveyor belt 4 of the unloading mechanism 400 is located at the first position C to receive the tray 2 and unload; Then, the driving device 3 of the unloading mechanism 400 drives the conveyor belt to move down to the second position D and reverses it, and sends the empty tray 2 to the lower conveyor belt 8 of the testing mechanism 300, and the lower conveyor belt 8 passes through the testing mechanism 300 and the waiting mechanism in turn. 200 is sent back to the feeding mechanism 100; at the same time, the conveyor belt 4 of the feeding mechanism 100 is driven by the driving device 3 to move to the second position B to receive the empty tray 2, and then the driving device 3 of the feeding mechanism 100 drives the feeding mechanism 100. The conveyor belt 4 returns to the first position A with the empty trays 2 and enters a new test cycle. Each tray 2 is in a dynamic cycle, which saves the handling process of the tray 2 and improves the test efficiency.

In a specific embodiment, since the feeding mechanism 100 can only accept one tray 2 at a time, for this reason, the lower conveyor belt 8 of the waiting mechanism 200 is provided with a blocking device 11, and the tray 2 is temporarily blocked by the blocking device 11 from the waiting mechanism 200. In the lower conveyor belt 8, after the feeding mechanism 100 is emptied, the empty tray 2 is released.

In a specific embodiment, in order to realize the adjustment and cooperation of each component mechanism, the feeding mechanism 100, the waiting mechanism 200, the unloading mechanism 400 and each testing mechanism 300 are respectively provided with a controller 5 for control and monitoring. The controller 5 includes: Displays and input devices. The operating status parameters of each component can be displayed in real time through the display, which is convenient for monitoring each component; at the same time, the operating parameters of each component can be adjusted through the input device to ensure the coordination and efficient cooperation between the components.

The present invention controls the test process of the tray in the test mechanism and the test rhythm of the entire test line by adding a lifting component and a buffer component in the test production line, and the passing lifting device and the blocking device of the buffer component control the testing process of the tray in the testing mechanism while the conveyor belt is not stopped. ; Control the rate at which the trays are fed into the testing mechanism by the waiting mechanism, so as to adjust the progress of the entire test production line without hindering the transfer of other trays; by adjusting the number of test institutions and test items, it can be carried out simultaneously on a test production line Several tests are carried out to improve the test efficiency; by setting codes on the trays and materials, the one-to-one correspondence between the trays and the materials in the whole process of the test is realized to ensure the controllability of the whole process of the material test.

The above are only the preferred embodiments of the present invention. It should be pointed out that for those skilled in the art, without departing from the principles of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be It is regarded as the protection scope of the present invention.

Claims (10)

1. A combined test assembly line is characterized in that, comprising a feeding mechanism, a feeding mechanism and at least one testing mechanism; the racks of the feeding mechanism, the feeding mechanism and each testing mechanism are connected in sequence with a side surface. The method is fixed, and the feeding mechanism, the feeding mechanism and each testing mechanism are respectively provided with a conveyor belt for conveying the tray carrying the material to form an assembly line; each of the testing mechanisms is provided with at least one testing station and each A test fixture, a buffer component, and a lifting device corresponding to the test station; the lifting device is used to lift the tray containing the material to be tested on the test station where it is located from the conveyor belt, and the lifting device includes a conveyor set on the conveyor belt. The two lifting plates on both sides of the surface and the driving mechanism for driving the lifting plates to rise and fall, when the material to be tested is sent into the test fixture for the corresponding test, the empty tray is lifted off the test by the lifting device The conveyor surface of the conveyor belt of the mechanism waits for the current material to complete the test, so as to let the conveyor surface of the conveyor belt of the testing mechanism out to realize the feeding of the subsequent test station; the buffer assembly includes a blocking device for blocking the tray from entering the next test station . 2 . The combined test assembly line according to claim 1 , wherein the blocking device comprises a base, a blocking hook and a driver, and the base is arranged below the conveying surface and on a frame that fixes the conveying belt. 3 . , the blocking hook is hingedly connected to the body of the base, and protrudes to the conveying surface of the conveyor belt under the driving of the driver to hook the tray to block the tray from moving forward. 3. The combined test assembly line of claim 1, wherein each described pallet is provided with a pallet identification code plate with an identification code for calibrating the pallet, and each material carried on the pallet is provided with a A material identification code plate for calibrating the identification code of the material; the cache component includes an identification code collector arranged above the conveyor belt, and the identification code collector is used to collect the identification code of the pallet and the material carried on the pallet and Correspondence matching is established so that the pallet and the material carried on the pallet uniquely correspond throughout the testing process. 4. The combined test assembly line according to claim 3, wherein a waiting mechanism for temporarily storing trays is arranged between the feeding mechanism and the testing mechanism, and the waiting mechanism comprises a conveyor belt installed in the rack and an identification code collector arranged above the conveyor belt, and a blocking device is provided on the conveyor belt of the waiting mechanism. 5. The combined test assembly line according to claim 1, wherein each of the test mechanisms comprises a robotic arm, and the conveyor belt of the test mechanism is independently arranged between the test fixture and the robotic arm, and the The conveyor belt and the test fixture are both located within the stroke range of the robotic arm; each test fixture is provided with a sliding bracket and is inserted in the test station of the test mechanism in a pluggable manner. 6. The combined test assembly line of claim 4, wherein the waiting mechanism and the conveyor belt of each testing mechanism comprise an upper conveyor belt and a lower conveyor belt disposed below the upper conveyor belt, the upper conveyor belt and The conveying direction of the lower conveyor belt is opposite. 7 . The combined test assembly line according to claim 6 , wherein the upper conveyor belt and the lower conveyor belt of the waiting mechanism are respectively provided with blocking devices; the buffer assembly is provided on the upper conveyor belt of the testing mechanism. 8 . 8 . The combined test assembly line according to claim 6 , wherein the feeding mechanism is provided with a driving device, and through the driving device, the conveyor belt of the feeding mechanism is placed on the frame of the feeding mechanism. 9 . The inner unit is moved to a first position aligned with the upper conveyor belt of the waiting mechanism for sending out trays and a second position aligned with the lower conveyor belt of the waiting mechanism and used to receive trays. 9 . The combined test assembly line according to claim 6 , wherein the feeding mechanism is provided with a driving device, and through the driving device, the conveyor belt of the feeding mechanism is placed on the frame of the feeding mechanism. 10 . The inner unit is moved to a first position aligned with the upper conveyor belt of the testing mechanism for receiving trays and a second position aligned with the lower conveyor belt of the testing mechanism and used to send out trays. 10. The combined test assembly line of claim 4, wherein the feeding mechanism, the waiting mechanism, the unloading mechanism and each testing mechanism are respectively provided with a controller for control and monitoring, and the controller Includes displays and input devices.

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