Tray feeding mechanism for circuit board feeding machine and feeding machine

Abstract

The utility model provides a tray feeding mechanism for a circuit board feeding machine and the feeding machine, the tray feeding mechanism for the circuit board feeding machine comprises a feeding and conveying platform, an empty tray discharging platform and a tray transferring assembly, the feeding and conveying platform comprises a feeding linear motion module and a feeding lifting assembly, the feeding and transporting module comprises a discharging end and a feeding end, the feeding and lifting assembly is arranged at the feeding end, the empty tray discharging platform comprises a bearing end and a discharging end, and the tray transferring assembly is arranged above the feeding and transporting platform and the empty tray discharging platform. According to the utility model, the problem that the testing efficiency is influenced by frequent material supplement of a PCB testing machine in the prior art can be solved, automatic feeding and discharging can be realized through mutual cooperation of the product structure, the feeding and conveying platform, the empty tray discharging platform and the tray transferring assembly, the feeding quantity is increased, the frequency of frequent material supplement is reduced, and the testing 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, in particular to a tray loading mechanism and a loading machine for a circuit board loader. 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 the PCB board, it needs to be tested before leaving the factory. The general testing process is manual loading. Workers put the PCB boards to be tested into the picking area, and cooperate with the picking machine to transfer the PCB boards in the picking area to the test carrier for testing. After being tested by the testing machine, the testing is finally completed and the materials are discharged.

[0004] In the feeding process, generally, workers put the loose PCB boards into the picking area, and the picking machine grabs them randomly, which is prone to the situation of claw deviation and falling off. To solve this problem, the tray feeding method is currently adopted. The tray feeding has a more accurate position placement and can improve the grabbing efficiency.

[0005] Although the grabbing accuracy is improved, most of them use manual labor to place the materials in the tray. The materials stored in the tray are limited. After grabbing, the tray needs to be manually replaced, and the tray full of materials is placed in the picking area, resulting in low efficiency, poor feeding continuity, low economic benefits, inability to meet the needs of production testing, and being unfavorable to improving the competitiveness of enterprises. Summary of the Utility Model

[0006] To solve the problems in the prior art, the utility model provides a tray loading mechanism and a loading machine for a circuit board loader.

[0007] A tray loading mechanism for a circuit board loader of the utility model includes a loading and transporting platform, an empty tray unloading platform, and a tray transfer component. The loading and transporting platform includes a loading linear motion module and a loading lifting component. The loading and transporting module includes a feeding end and a material supply end. The loading lifting component is arranged at the material supply end. The loading lifting component can lift the materials at the material supply end for the circuit board loader to pick up. The empty tray unloading platform includes a material receiving end and a discharging end. The tray transfer component is arranged above the loading and transporting platform and the empty tray unloading platform. The tray transfer component can transfer the tray on the loading lifting component to the empty tray unloading platform. The empty tray unloading platform can move the empty tray from the material receiving end to the discharging end.

[0008] The utility model is further improved. The empty tray unloading platform includes an empty tray linear motion module and an empty tray lifting component. The empty tray lifting component is arranged at the material receiving end.

[0009] The present utility model is further improved. The feeding linear motion module and the empty tray 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 blanking end are arranged on the same side.

[0010] The present utility model is further improved. The feeding lifting assembly and the empty tray lifting assembly both include a lifting drive mounting frame, a lifting motor, a lifting lead screw, and a lifting mounting plate. A plurality of lifting material supporting plates are arranged on the lifting mounting plate. A lifting thread seat cooperating with the lifting lead screw is arranged on one side of the lifting mounting plate away from the lifting material supporting plate. A lifting guide rail cooperating with the movement of the lifting mounting plate is arranged on the lifting drive mounting frame. A lifting slider cooperating with the lifting guide rail is arranged on the side of the lifting thread seat.

[0011] The present utility model is further improved. It further includes a lifting in-place sensing assembly. The number of the lifting in-place sensing assemblies is two. The two lifting in-place sensing assemblies respectively perform position detection on the lifting material supporting plates of the feeding lifting assembly and the empty tray lifting assembly. The lifting in-place sensing assembly includes a lifting in-place mounting frame, and an upper in-place sensor and a lower in-place sensor are arranged on the lifting in-place mounting frame.

[0012] The present utility model is further improved. The feeding linear motion module and the empty tray linear motion module both include a module support frame, a first material conveying pulley, a second material conveying pulley, and a material conveying drive motor. One end between the first material conveying pulley and the second material conveying pulley is fixedly provided with a linkage shaft, and the first material conveying pulley and the second material conveying pulley are arranged in parallel. The moving end of the material conveying drive motor is connected to the first material conveying pulley or the second material conveying pulley.

[0013] The present utility model is further improved. It further includes two incoming material sensors, which are respectively arranged at the feeding end and the material receiving end.

[0014] The present utility model is further improved. Limiting and protecting side plates are arranged on both sides of the feeding material conveying platform and the empty tray blanking platform.

[0015] The present utility model is further improved. The tray transfer component includes a horizontal linear cylinder, a lifting cylinder, and a tray material taking component. The tray material taking component includes a material taking mounting frame and a plurality of vacuum material taking suction cups arranged on the material taking mounting frame.

[0016] The present utility model also provides a feeding machine, which includes a feeding machine workbench and a tray feeding mechanism for a circuit board feeding machine. A feeding position for cooperating with the tray feeding mechanism for the circuit board feeding machine is arranged on the feeding machine workbench.

[0017] Compared with the prior art, the beneficial effects of the present utility model are as follows: The present utility model provides a tray loading mechanism and a loading machine for a circuit board loading machine. With this structure, it can effectively solve the problems existing in the PCB board testing machine in the prior art, such as poor pick-up continuity and frequent replenishment of materials, which affect the testing efficiency. By using this product structure, the mutual cooperation of the loading and transporting platform, the empty tray unloading platform, and the tray transfer component can achieve automatic loading and unloading, increase the number of materials supplied, reduce the frequency of frequent replenishment, improve the economic benefits of testing and the user experience of operators, and is conducive to improving the competitiveness of enterprises. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the solutions in the present utility model or the prior art, the following will briefly introduce the drawings required for use in 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 also be obtained based on these drawings.

[0019] Figure 1 It is a schematic diagram of the overall structure of the loading machine;

[0020] Figure 2 It is a schematic diagram of the structure of another perspective of the loading machine;

[0021] Figure 3 It is a schematic diagram of the structure of the loading lifting component. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] Unless otherwise defined, all technical and scientific terms used in the present utility model have the same meaning as commonly understood by those skilled 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, rather than to describe a specific order.

[0023] When referring to "embodiment" in the present utility model, it means that the specific features, structures or characteristics described in combination with the embodiment can be included in at least one embodiment of the present utility model. The phrase appears in 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.

[0024] To enable those skilled in the art of this technology to better understand the solution of this utility model, the technical solutions in the embodiments of this utility model will be clearly and completely described below in conjunction with the accompanying drawings.

[0025] As Figures 1 - 3 shown, a loading machine of this utility model includes a loading machine workbench 1 and a tray loading mechanism for a circuit board loading machine. A loading position is arranged on the loading machine workbench 1 and is cooperatively installed with the tray loading mechanism for the circuit board loading machine.

[0026] The tray loading mechanism for the circuit board loading machine includes a loading and transporting platform, an empty tray unloading platform, and a tray transfer component 4. The loading and transporting platform includes a loading linear motion module 21 and a loading lifting component 22. The loading and transporting module includes a loading end and a feeding end. The loading lifting component is arranged at the feeding end. The loading lifting component 22 can lift the materials at the feeding end for the circuit board loading machine to pick up. The empty tray unloading platform includes a material receiving end and a discharging end. The tray transfer component 4 is arranged above the loading and transporting platform and the empty tray unloading platform. The tray transfer component 4 can transfer the tray on the loading lifting component 22 to the empty tray unloading platform. The empty tray unloading platform can move the empty tray from the material receiving end to the discharging end.

[0027] Through the cooperation of the loading linear motion module 21 and the loading lifting component 22, multiple trays can be stacked for loading, ensuring the continuity of loading and avoiding the influence of frequent loading on the picking efficiency.

[0028] When the materials in the topmost tray are emptied, the empty tray is transferred to the empty tray unloading platform through the tray transfer component 4 for empty tray unloading, avoiding the influence of the empty tray on the loading of the next layer of trays.

[0029] After the empty tray above is taken away, the loading lifting component 22 controls the stacked trays to rise by a specified height to facilitate the loading machine to pick up materials.

[0030] The empty tray unloading platform includes an empty tray linear motion module 31 and an empty tray lifting component 32. The empty tray lifting component 32 is arranged at the material receiving end.

[0031] Through the setting of the empty tray lifting component, the transfer stroke of the tray transfer component 4 can be shortened, and the empty tray lifting component 32 can cooperate with the tray transfer component 4 to transfer materials more quickly.

[0032] The loading linear motion module 21 and the empty tray linear motion module 31 are arranged in parallel. The feeding end and the material receiving end are arranged on the same side, and the loading end and the discharging end are arranged on the same side.

[0033] By arranging the loading linear motion module 21 and the empty tray linear motion module 31 in parallel, the transfer stroke of the tray transfer component 4 can be further shortened, and the transfer of materials can be completed only by horizontally moving the materials.

[0034] Both the loading lifting assembly 2 and the empty tray lifting assembly 32 include a lifting drive mounting bracket 41, a lifting motor 42, a lifting lead screw 43 and a lifting mounting plate 44. A plurality of lifting material supporting plates 45 are arranged on the lifting mounting plate 44. A lifting thread seat cooperating with the lifting lead screw 43 is arranged on one side of the lifting mounting plate 44 away from the lifting material supporting plate 45. A lifting guide rail 46 cooperating with the movement of the lifting mounting plate 44 is arranged on the lifting drive mounting bracket 41. A lifting slider cooperating with the lifting guide rail 46 is arranged on the side of the lifting thread seat.

[0035] Through the arrangement of the plurality of lifting material supporting plates 45, the materials on the loading linear motion module 21 or the empty tray linear motion module 31 can be stably supported.

[0036] The tray loading mechanism for the circuit board loader further includes a lifting in-place sensing assembly 7. The number of the lifting in-place sensing assemblies 7 is two. The two lifting in-place sensing assemblies 7 respectively detect the positions of the lifting material supporting plates 45 of the loading lifting assembly 2 and the empty tray lifting assembly 32. The lifting in-place sensing assembly 7 includes a lifting in-place mounting bracket, and an upper in-place sensor and a lower in-place sensor are arranged on the lifting in-place mounting bracket.

[0037] Through the arrangement of the upper in-place sensor and the lower in-place sensor, it can effectively judge whether there is a tray when the feeding end or the lifting material supporting plate 45 moves to the topmost position on the loading and transporting platform, and can effectively judge whether there is a tray when the material receiving end or the lifting material supporting plate 45 moves to the topmost position on the empty tray unloading platform.

[0038] Both the loading linear motion module 21 and the empty tray linear motion module 31 include a module support frame, a first material transporting pulley, a second material transporting pulley and a material transporting drive motor. One end between the first material transporting pulley and the second material transporting pulley is fixedly provided with a linkage shaft, and the first material transporting pulley and the second material transporting pulley are arranged in parallel. The moving end of the material transporting drive motor is connected to the first material transporting pulley or the second material transporting pulley.

[0039] Through the arrangement of the first pulley and the second pulley, the linear motion of the materials can be effectively controlled.

[0040] The linkage shaft is arranged at the unloading end and the discharging end. The number of the lifting material supporting plates 45 is three. The three lifting material supporting plates 45 are arranged at intervals, and two of the lifting material supporting plates 45 are arranged outside the first pulley and the second pulley, and one is arranged between the first pulley and the second pulley.

[0041] Through this setting method, the trays at the feeding end and the material receiving end can be lifted.

[0042] The tray loading mechanism for the circuit board loader further includes two incoming material sensors 9, which are respectively arranged at the feeding end and the material receiving end.

[0043] Through the arrangement of the incoming material sensors 9, it is possible to effectively identify the materials on the loading and transporting platform and the empty tray unloading platform.

[0044] Limit protection side plates 8 are arranged on both sides of the loading and transporting platform and the empty tray unloading platform.

[0045] Through the arrangement of the limit protection side plates 8, it is possible to effectively limit the materials on the loading and transporting platform and the empty tray unloading platform and feed the materials accurately.

[0046] The tray transfer component 4 includes a horizontal linear cylinder 401, a lifting cylinder 402 and a tray picking component. The tray picking component includes a picking mounting frame 403 and a plurality of vacuum picking suction cups 404 arranged on the picking mounting frame 403.

[0047] Through the arrangement of the vacuum picking suction cups 404, it is possible to efficiently transfer the empty trays.

[0048] The working process of the loader provided in this embodiment is as follows: The embodiment of the present utility model provides an advantage of high loading continuity and high automation level compared with the existing loader.

[0049] First, the processing personnel stack the trays filled with the PCB boards to be detected one by one on the feeding end.

[0050] The operator starts the loading linear motion module 21, and the loading linear motion module 21 moves the materials to the feeding end.

[0051] When the tray moves to the designated position at the feeding end and is recognized by the incoming material sensor 9, the loading lifting component 2 controls the lifting and supporting plate 45 to move upward.

[0052] Under the action of the lifting and supporting plate 45, the stacked trays are lifted.

[0053] When the tray rises to the position recognized by the upper in-place sensor, the loading lifting component 2 stops moving.

[0054] When the loader finishes taking the materials on the top tray, the tray transfer component 4 transfers the top tray. At the same time when the tray transfer component 4 finishes taking the materials, the loading lifting component 22 controls the lifting and supporting plate 45 to rise a specified distance.

[0055] The initial state of the lifting and supporting plate 45 in the empty tray lifting component 32 is at the top. It descends a specified distance for each stacked layer. When the specified number of layers is stacked, the empty tray lifting component 32 controls the lifting and supporting plate 45 to descend to the lowest end.

[0056] When it descends to the lowest end, the empty tray is set at the material receiving end of the linear motion module 31 for empty trays. After the incoming material sensor 9 senses the material, it controls the linear motion module 31 for empty trays to start and transports the empty tray to the discharging end.

[0057] When loading materials at the feeding end, the operator can load materials at the discharging end to prepare for subsequent material taking.

[0058] 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 problems existing in the PCB board testing machine in the prior art, such as poor continuity of material taking and frequent replenishment of materials affecting the testing efficiency. Through the use of the product structure, the mutual cooperation of the loading and transporting platform, the empty tray discharging platform, and the tray transfer component 4 can achieve automatic loading and unloading, increase the quantity of supplied materials, reduce the frequency of frequent replenishment, improve the economic benefits of testing and the use experience of the operator, and is beneficial to improving the competitiveness of the enterprise.

[0059] The above-mentioned 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 hereby. 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 tray loading mechanism for a circuit board loading machine, characterized in that: The invention comprises a loading and transporting platform, an empty tray unloading platform and a pallet transfer assembly, wherein the loading and transporting platform comprises a loading linear motion module and a loading lifting assembly, wherein the loading and transporting module comprises a discharge end and a feeding end, wherein the loading lifting assembly is arranged at the feeding end, wherein the loading lifting assembly can lift the material at the feeding end for the circuit board loader to take the material, wherein the empty tray unloading platform comprises a receiving end and a unloading end, wherein the pallet transfer assembly is arranged above the loading and transporting platform and the empty tray unloading platform, wherein the pallet transfer assembly can transfer the pallet on the loading and lifting assembly to the empty tray unloading platform, and wherein the empty tray unloading platform can move the empty tray from the receiving end to the unloading end.

2. The tray loading mechanism for a circuit board loading machine according to claim 1, 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.

3. The tray loading mechanism for a circuit board loading machine according to claim 2, 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.

4. The tray loading mechanism for a circuit board loading machine according to claim 2, characterized in that: The loading lifting assembly and the empty plate lifting assembly both include a lifting drive mounting frame, a lifting motor, a lifting screw and a lifting mounting plate, a plurality of lifting supporting plates are arranged on the lifting mounting plate, a lifting threaded seat cooperating with the lifting screw is arranged on the side of the lifting mounting plate away from the lifting supporting plate, a lifting guide rail cooperating with the movement of the lifting mounting plate is arranged on the lifting drive mounting frame, and a lifting slider cooperating with the lifting guide rail is arranged on the side of the lifting threaded seat.

5. The tray loading mechanism for a circuit board loading machine according to claim 4, characterized in that: It also includes a lifting-in-place sensing component, the number of which is two. The two lifting-in-place sensing components respectively detect the positions of the lifting supporting plates of the loading lifting component and the empty tray lifting component. The lifting-in-place sensing component includes a lifting-in-place mounting frame, and the lifting-in-place mounting frame is provided with an upper position sensor and a lower position sensor.

6. The tray loading mechanism for a circuit board loading machine according to claim 2, characterized in that: The loading linear motion module and the empty plate linear motion module both include a module support frame, a first transport pulley, a second transport pulley and a transport drive motor, a linkage shaft is fixedly arranged at one end between the first transport pulley and the second transport pulley, and the first transport pulley and the second transport pulley are arranged in parallel, and the moving end of the transport drive motor is connected to the first transport pulley or the second transport pulley.

7. The tray loading mechanism for a circuit board loading machine according to claim 6, characterized in that: It also includes an incoming material sensor, the number of which is two, and the two incoming material sensors are respectively arranged at the feeding end and the receiving end.

8. The tray loading mechanism for a circuit board loading machine according to claim 1, characterized in that: Limiting protective side plates are arranged on both sides of the material loading and transporting platform and the empty tray unloading platform.

9. The tray loading mechanism for a circuit board loading machine according to claim 8, characterized in that: The pallet material transfer assembly comprises a transverse linear cylinder, a lifting cylinder and a pallet material picking assembly, and the pallet material picking assembly comprises a material picking mounting frame and a plurality of vacuum material picking suction cups arranged on the material picking mounting frame.

10. A feeding machine, characterized in that: It comprises a loading machine workbench and any one of the above-mentioned tray loading mechanisms for circuit board loading machines, wherein the loading machine workbench is provided with a loading position which is installed in cooperation with the tray loading mechanism for circuit board loading machines.

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