Feeding machine for PCB testing

Abstract

The utility model provides a feeding machine used for PCB testing, comprising a feeding machine workbench, the workbench is provided with a tray feeding mechanism, a multi-joint manipulator, a lower visual camera, a defective product blanking module and a carrier transportation module, and the multi-joint manipulator comprises a rotating arm rotating seat, a material taking module, an upper visual camera and a multi-joint rotating arm. The multi-joint rotating arm is composed of a plurality of rotating driving arms, the rear end of the multi-joint rotating arm is fixedly arranged on the rotating arm rotating seat, and a lifting mechanism is further arranged at the front end of the multi-joint rotating arm. According to the PCB feeding machine, the problem that testing resources are wasted in a PCB feeding machine in the prior art can be solved, defect detection can be efficiently carried out through the product structure, the upper visual camera and the lower visual camera, after defective products are detected, the defective products are placed into the defective product discharging module to be discharged efficiently, the automation level of feeding equipment is improved, and the production efficiency is improved. The economic benefit of testing and the use experience of operators are improved, and the competitiveness of enterprises is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of testing equipment, and particularly relates to a loading machine for PCB testing. Background Art

[0002] With the progress of society and the development of technology, people's requirements for product quality are getting higher and higher. The PCB board, also known as the printed circuit board, is an important and indispensable component in electronic industrial products.

[0003] In order to ensure the ex-factory quality of PCB boards, testing is required before leaving the factory. The existing loading methods include manual loading and automatic loading. When using manual loading, it is easy to have problems such as position deviation when manually placing materials in the test carrier, which affects the testing efficiency. When using automatic loading, although it can achieve placement according to the same set standard, it does not have the function of single-piece detection, and it is easy to send obviously defective PCB boards to the testing machine for testing, wasting testing resources, which is not conducive to improving the testing work efficiency and the competitiveness of enterprises. Content of the Utility Model

[0004] To solve the problems in the prior art, the utility model provides a loading machine for PCB testing, which solves the problem in the prior art that the PCB board loading machine sends obviously defective PCB boards to the testing machine for testing, wasting testing resources.

[0005] A loading machine for PCB testing of the utility model includes a loading machine workbench, on which a tray loading mechanism, a multi-joint manipulator, a lower vision camera, a defective product unloading module and a carrier transportation module are arranged. The multi-joint manipulator includes a rotating arm rotating seat, a material taking module, an upper vision camera and a multi-joint rotating arm. The multi-joint rotating arm is composed of a plurality of rotating driving arms, and the plurality of rotating driving arms are connected in sequence. The rear end of the multi-joint rotating arm is fixedly arranged on the rotating arm rotating seat, and a lifting mechanism is also arranged at the front end of the multi-joint rotating arm. The material taking module and the upper vision camera are fixedly arranged on the moving end of the lifting mechanism.

[0006] The utility model is further improved. The carrier transportation module includes a transportation workbench, on which a material transporting component is arranged. The material transporting component includes a test material transporting carrier and a material transporting conveyor belt. A product placing groove is arranged on the test material transporting carrier, and the material transporting conveyor belt can drive the test material transporting carrier to move linearly.

[0007] The utility model is further improved. The number of the material transporting components is two, and the two material transporting components are arranged adjacent to each other.

[0008] The utility model is further improved. The defective product unloading module includes a unloading mounting frame and a unloading pulley assembly mounted on the unloading mounting frame.

[0009] The present utility model is further improved. The material taking module includes a material taking mounting frame and a plurality of material taking suction cup assemblies. The material taking suction cup assemblies are fixedly arranged on the material taking mounting frame. The material taking suction cup assembly includes a material taking suction cup lifting cylinder, a suction cup mounting plate and a plurality of vacuum suction cups.

[0010] The present utility model is further improved. The number of the material taking suction cup assemblies is four, and the four material taking suction cup assemblies are arranged on the material taking mounting frame at intervals.

[0011] The present utility model is further improved. It further includes a bulk material feeding module. The bulk material feeding module is arranged on the workbench of the feeding machine. The bulk material feeding module is a bulk material feeding conveyor belt assembly. The pallet feeding mechanism and the bulk material feeding module are respectively arranged on both sides of the multi-joint manipulator, and the carrier transportation module is arranged at the front end of the multi-joint manipulator.

[0012] The present utility model is further improved. The pallet feeding mechanism includes a feeding and transporting platform, an empty pallet discharging platform and a pallet transferring component. The feeding and transporting platform includes a feeding linear motion module and a feeding lifting component. The feeding linear motion module includes a discharging end and a feeding end. The feeding lifting component is arranged at the feeding end. The feeding lifting component can lift the materials at the feeding end for the PCB feeding machine to pick up. The empty pallet discharging platform includes a material receiving end and a discharging end. The pallet transferring component is arranged above the feeding and transporting platform and the empty pallet discharging platform. The pallet transferring component can transfer the pallet on the feeding lifting component to the empty pallet discharging platform. The empty pallet discharging platform can move the empty pallet from the material receiving end to the discharging end.

[0013] The present utility model is further improved. The empty pallet discharging platform includes an empty pallet linear motion module and an empty pallet lifting component. The empty pallet lifting component is arranged at the material receiving end.

[0014] The present utility model is further improved. The feeding linear motion module and the empty pallet linear motion module are arranged in parallel. The feeding end and the material receiving end are arranged on the same side, and the discharging end and the discharging end are arranged on the same side.

[0015] Compared with the prior art, the beneficial effects of the present utility model are as follows: The present utility model provides a feeding machine for PCB testing. With this structure, it can effectively solve the problem in the prior art that the PCB feeding machine sends obviously defective PCB boards to the testing machine for testing, wasting testing resources. By using the product structure, the upper vision camera and the lower vision camera can efficiently detect the defects of the PCB boards to be detected, and can efficiently screen the materials. When defective products are detected, they are put into the defective product discharging module for efficient discharging, improving the automation level of the feeding equipment, improving the economic benefits of testing and the operation experience of operators, and being beneficial to improving the competitiveness of the enterprise. Description of the Drawings

[0016] To more clearly illustrate the solutions in the present utility model or the prior art, the following will give a brief introduction to the drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0017] Figure 1 It is a schematic diagram of the overall structure of the loading machine for PCB testing;

[0018] Figure 2 It is a schematic diagram of the structure of the loading machine for PCB testing from another perspective;

[0019] Figure 3 It is a schematic diagram of the structure of a multi-joint manipulator. Specific embodiments

[0020] Unless otherwise defined, all technical and scientific terms used in the present utility model have the same meaning as commonly understood by those of ordinary skill in the technical field to which the present utility model belongs; the terms used in the description of the present utility model are only for the purpose of describing specific embodiments and are not intended to limit the present utility model; the terms "including" and "having" and any variations thereof in the description and claims of the present utility model and the above-mentioned drawings are intended to cover non-exclusive inclusion. The terms "first", "second", etc. in the description and claims of the present utility model or the above-mentioned drawings are used to distinguish different objects and not to describe a specific order.

[0021] Referring to "embodiments" in the present utility model means that the specific features, structures or characteristics described in combination with the embodiments can be included in at least one embodiment of the present utility model. The appearance of this phrase at various positions in the specification does not necessarily refer to the same embodiment, nor is it an exclusive, independent or alternative embodiment that is mutually exclusive with other embodiments. Those skilled in the art explicitly and implicitly understand that the embodiments described in the present utility model can be combined with other embodiments.

[0022] In order to enable those skilled in the art of this technology to better understand the solutions of the present utility model, the following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the drawings.

[0023] Such as Figures 1 - 3As shown in the figure, a loading machine for PCB testing according to the present utility model includes a loading machine workbench 1, on which a tray loading mechanism, a multi-joint manipulator 2, a lower vision camera 3, a defective product discharging module 4, and a carrier transportation module are provided. The multi-joint manipulator 2 includes a rotating arm rotating seat 21, a material taking module, an upper vision camera 22, and a multi-joint rotating arm. The multi-joint rotating arm is composed of a plurality of rotating driving arms, and the plurality of rotating driving arms are connected in sequence. The rear end of the multi-joint rotating arm is fixedly arranged on the rotating arm rotating seat 21.

[0024] Through the cooperation among the upper vision camera 22, the lower vision camera 3, and the multi-joint rotating arm, it is possible to effectively take pictures and identify the upper and lower end faces of the PCB board before loading to determine whether there are defective products. When defective products are detected, they are placed on the defective product discharging module 4 for discharging.

[0025] The number of rotating driving arms is two, namely a first rotating driving arm 23 and a second rotating driving arm 24.

[0026] An elevating mechanism 25 is further arranged at the front end of the multi-joint rotating arm. The material taking module and the upper vision camera 22 are fixedly arranged at the moving end of the elevating mechanism 25. Through the arrangement of the elevating mechanism 25, the movement flexibility of the multi-joint rotating arm can be effectively improved further, and the material taking module can be controlled to take materials precisely.

[0027] The carrier transportation module includes a transportation workbench, on which a material transporting component is arranged. The material transporting component includes a test material transporting carrier 51 and a material transporting conveyor belt 52. A product placing groove is arranged on the test material transporting carrier 51, and the material transporting conveyor belt 52 can drive the test material transporting carrier 51 to move in a straight line.

[0028] Through the arrangement of the transportation conveyor belt, the test material transporting carrier 51 filled with external materials can be transported to the testing machine for testing, improving the automation level.

[0029] The number of material transporting components is two, and the two material transporting components are arranged adjacent to each other. Through the arrangement of the two material transporting components, the material transporting speed can be effectively improved, and material transporting and loading can be carried out alternately.

[0030] The defective product discharging module 4 includes a discharging mounting frame and a discharging pulley assembly mounted on the discharging mounting frame. Through the arrangement of the defective product module, the detected defective products can be automatically discharged effectively, improving the discharging efficiency.

[0031] The material taking module includes a material taking mounting frame 26 and a plurality of material taking suction cup assemblies. The material taking suction cup assemblies are fixedly arranged on the material taking mounting frame 26. The material taking suction cup assembly includes a material taking suction cup lifting cylinder 27, a suction cup mounting plate 28, and a plurality of vacuum suction cups 29.

[0032] Through the cooperation of the plurality of vacuum suction cups 29, it is possible to effectively take materials of the PCB to be detected.

[0033] The number of the material-taking suction cup assemblies is four, and the four material-taking suction cup assemblies are arranged at intervals on the material-taking mounting frame 26. Through the arrangement of the four material-taking suction cup assemblies, the material-taking efficiency can be effectively improved.

[0034] The loading machine for PCB testing further includes a bulk material loading module 6. The bulk material loading module 6 is arranged on the loading machine workbench 1. The bulk material loading module 6 is a bulk material loading conveyor belt assembly. The pallet loading mechanism and the bulk material loading module 6 are respectively arranged on both sides of the multi-joint manipulator 2, and the carrier transportation module is arranged at the front end of the multi-joint manipulator 2.

[0035] Through the arrangement of the bulk material loading module 6, the loading types of the loading machine can be enriched, and the loading method can be selected according to the needs of different users, so as to improve the use flexibility of the equipment and share a multi-joint manipulator 2.

[0036] The pallet loading mechanism includes a loading and transporting platform, an empty pallet unloading platform and a pallet transfer component 73. The loading and transporting platform includes a loading linear motion module 71 and a loading lifting component 72. The loading linear motion module 71 includes a material discharging end and a feeding end. The loading lifting component is arranged at the feeding end. The loading lifting component 72 can lift the materials at the feeding end for the circuit board loading machine to take materials. The empty pallet unloading platform includes a material receiving end and a discharging end. The pallet transfer component 73 is arranged above the loading and transporting platform and the empty pallet unloading platform. The pallet transfer component 73 can transfer the pallet on the loading lifting component 72 to the empty pallet unloading platform. The empty pallet unloading platform can move the empty pallet from the material receiving end to the discharging end.

[0037] Through the cooperation of the loading linear motion module 71 and the loading lifting component 72, multiple pallets can be stacked for loading, ensuring the continuity of loading and avoiding the influence of frequent loading on the material-taking efficiency.

[0038] When the materials in the topmost tray are emptied, the empty tray is transferred to the empty pallet unloading platform through the pallet transfer component 73 for empty pallet unloading, avoiding the influence of the empty pallet on the loading of the next layer of trays.

[0039] When the upper empty tray is taken away, the loading lifting component 72 controls the stacked trays to rise to a specified height again, facilitating the loading machine to take materials.

[0040] The empty pallet unloading platform includes an empty pallet linear motion module 81 and an empty pallet lifting component. The empty pallet lifting component is arranged at the material receiving end. Through the arrangement of the empty pallet lifting component, the transfer stroke of the pallet transfer component 73 can be shortened, and the empty pallet lifting component can cooperate with the pallet transfer component 73 to transfer materials more quickly.

[0041] The loading linear motion module 71 and the empty tray linear motion module 81 are arranged in parallel, with the feeding end and the material receiving end on the same side, and the discharging end and the blanking end on the same side.

[0042] By arranging the loading linear motion module 71 and the empty tray linear motion module 81 in parallel, the transfer stroke of the tray transfer component 73 can be further shortened, and the transfer can be completed only by laterally moving the material.

[0043] The working process of the loading machine for PCB testing provided in this embodiment is as follows: The embodiment of the present utility model provides advantages of high loading continuity and high loading efficiency compared with the existing loading machine.

[0044] For the tray loading process:

[0045] First, the multi-joint rotating arm rotates and moves above the loading and transporting platform.

[0046] After moving to the specified position, the upper vision camera 22 will record information on the position, presence or absence, and appearance of the materials on the tray.

[0047] After the shooting is completed, the PCB boards to be detected on the tray are successively sucked. When the material taking suction cup components are all adsorbed with materials, it moves above the lower vision camera 3, and the lower end faces of the PCB boards to be detected are successively photographed to record whether there are defects on the lower end faces of the PCB boards to be detected and the set angles of the PCB boards to be detected.

[0048] When defective products are detected, the materials of the defective products are placed on the defective product blanking module 4 for defective product blanking.

[0049] The qualified products are placed on the test transporting carrier 51. There is a positioning code on the test transporting carrier 51. When the upper vision camera 22 shoots the positioning code, it will discharge materials onto the test transporting carrier 51.

[0050] Four materials are successively adjusted in angle and placed in the test transporting carrier 51 to complete the loading process.

[0051] For the bulk upstream process:

[0052] First, the multi-joint rotating arm moves above the bulk parts loading module 6, and the upper vision camera 22 takes pictures to record the position information and product defect information.

[0053] After the shooting is completed, the PCB boards to be detected on the bulk parts loading module 6 are successively sucked. When the material taking suction cup components are all adsorbed with materials, it moves above the lower vision camera 3, and the lower end faces of the PCB boards to be detected are successively photographed to record whether there are defects on the lower end faces of the PCB boards to be detected and the set angles of the PCB boards to be detected.

[0054] When defective products are detected, the materials of the defective products are placed on the defective product discharging module 4 for discharging defective products.

[0055] The qualified products are placed on the test material transporting carrier 51. There is a positioning code set on the test material transporting carrier 51. After the upper vision camera 22 captures the positioning code, the test material transporting carrier 51 will be loaded with materials.

[0056] Four materials are sequentially adjusted in angle and placed in the test material transporting carrier 51 to complete the feeding process.

[0057] As can be seen from the above, the beneficial effects of the present utility model are as follows: By adopting its mechanism, it can effectively solve the problem in the prior art that the PCB board feeding machine sends significantly defective PCB boards to the testing machine for testing, wasting testing resources. Through the use of the product structure, the upper vision camera 22 and the lower vision camera 3 can efficiently detect defects of the PCB board to be detected, and can efficiently screen materials. When defective products are detected, they are placed on the defective product discharging module 4 for efficient discharging, improving the automation level of the feeding equipment, improving the economic benefits of testing and the operation experience of operators, and being beneficial to improving the competitiveness of the enterprise.

[0058] The above specific implementation manners are the preferred implementation manners of the present utility model, and do not limit the specific implementation scope of the present utility model. The scope of the present utility model includes but is not limited to this specific implementation manner. All equivalent changes made in accordance with the present utility model are within the protection scope of the present utility model.

Claims

1. A loader for PCB testing, characterized by: It includes a loader workbench, on which a pallet loading mechanism, a multi-joint manipulator, a lower visual camera, a defective product unloading module and a carrier transport module are arranged; the multi-joint manipulator includes a rotating arm rotating seat, a material picking module, an upper visual camera and a multi-joint rotating arm; the multi-joint rotating arm is composed of a plurality of rotating driving arms, which are connected in sequence; the rear end of the multi-joint rotating arm is fixedly arranged on the rotating arm rotating seat; the front end of the multi-joint rotating arm is also provided with a lifting mechanism; the material picking module and the upper visual camera are fixedly arranged on the moving end of the lifting mechanism.

2. The PCB testing loading machine according to claim 1, characterized in that: The carrier transport module includes a transport workbench, on which a material transport component is arranged, and the material transport component includes a test material transport carrier and a material transport conveyor belt. The test material transport carrier is provided with a product placement slot, and the material transport conveyor belt can drive the test material transport carrier to perform linear motion.

3. The PCB testing loading machine according to claim 2, characterized in that: The number of the material transport components is two, and the two material transport components are arranged adjacent to each other.

4. The PCB testing loading machine according to claim 1, characterized in that: The defective product unloading module comprises an unloading mounting frame and an unloading pulley assembly mounted on the unloading mounting frame.

5. The PCB testing loading machine according to claim 1, characterized in that: The material picking module comprises a material picking mounting frame and a plurality of material picking suction cup assemblies, wherein the material picking suction cup assemblies are fixedly arranged on the material picking mounting frame, and the material picking suction cup assemblies comprise a material picking suction cup lifting cylinder, a suction cup mounting plate and a plurality of vacuum suction cups.

6. The PCB testing loading machine according to claim 5, characterized in that: The number of the material picking suction cup assemblies is four, and the four material picking suction cup assemblies are arranged on the material picking mounting frame at intervals.

7. The PCB testing loading machine according to claim 1, characterized in that: It also includes a loose parts feeding module, which is arranged on the working table of the loader. The loose parts feeding module is a loose parts feeding conveyor belt assembly. The pallet feeding mechanism and the loose parts feeding module are respectively arranged on both sides of the multi-joint manipulator, and the carrier transport module is arranged at the front end of the multi-joint manipulator.

8. The PCB testing loading machine according to any one of claims 1 to 7, characterized in that: The tray loading mechanism includes a loading and transporting platform, an empty tray unloading platform and a tray transfer assembly, the loading and transporting platform includes a loading linear motion module and a loading lifting assembly, the loading linear motion module includes a discharge end and a feeding end, the loading lifting assembly is arranged at the feeding end, the loading lifting assembly can lift the material at the feeding end for the circuit board loader to pick up the material, the empty tray unloading platform includes a receiving end and a unloading end, the tray transfer assembly is arranged above the loading and transporting platform and the empty tray unloading platform, the tray transfer assembly can transfer the tray on the loading lifting assembly to the empty tray unloading platform, and the empty tray unloading platform can move the empty tray from the receiving end to the unloading end.

9. The PCB testing loading machine according to claim 8, characterized in that: The empty tray unloading platform comprises an empty tray linear motion module and an empty tray lifting assembly, and the empty tray lifting assembly is arranged at the material receiving end.

10. The PCB testing loading machine according to claim 9, characterized in that: The loading linear motion module and the empty tray linear motion module are arranged in parallel, the feeding end and the receiving end are arranged on the same side, and the discharging end and the unloading end are arranged on the same side.

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