Discharging device for defective product detection

Abstract

The utility model relates to a defective product detection blanking device. The device comprises a blanking platform, a blanking frame mechanism and a blanking manipulator, a feeding station is arranged in the middle of the discharging platform, and a discharging station is arranged on the edge of the discharging platform. The discharging frame mechanism comprises at least one discharging frame assembly arranged on the discharging platform. The discharging frame assembly comprises a discharging base arranged on the discharging platform and a discharging disc structure arranged on the discharging base in a sliding mode, and the discharging disc structure is used for bearing defective products and moves between the feeding station and the discharging station. The discharging mechanical arm comprises a mechanical arm support arranged on the discharging platform, a mechanical arm moving mechanism arranged on the mechanical arm support and a mechanical arm material taking and placing structure arranged on the mechanical arm moving mechanism, and the mechanical arm material taking and placing structure is located above the discharging disc structure. According to the utility model, the problems of low efficiency of picking and discharging detection of defective products by adopting a manual mode and high cost of picking and discharging detection of defective products by adopting a full-automatic mode can be solved.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit board processing, in particular to a defective product detection and unloading device. Background Art

[0002] During the production process of flexible circuit boards, the flexible circuit boards need to be bent and their electrical performance tested. Moreover, during the bending and electrical testing of the flexible circuit boards, when unqualified products (i.e. defective products) are detected, they need to be picked out for unloading. In traditional technologies, some solutions use a completely manual method to pick out defective products, which has low work efficiency; some solutions use a completely automated method to pick out defective products, but under normal circumstances, the probability of defective products is low. Using fully automated unloading equipment to pick out defective products requires the installation of dedicated automatic unloading equipment, which is costly. Utility Model Content

[0003] The utility model provides a defective product detection and unloading device, which can solve the technical problems that the efficiency of defective products detected by manual picking and unloading in the traditional technology is low, while the cost of defective products detected by fully automated picking and unloading is high.

[0004] In order to solve the above technical problems, the utility model provides a defective product detection and unloading device, comprising:

[0005] A material unloading platform, wherein a loading station is provided in the middle of the material unloading platform and a material unloading station is provided at an edge of the material unloading platform;

[0006] A material unloading rack mechanism, comprising at least one material unloading rack assembly arranged on the material unloading platform; the material unloading rack assembly comprises a material unloading base arranged on the material unloading platform, and a material unloading tray structure slidably arranged on the material unloading base, the material unloading tray structure is used to carry defective products and move between the material loading station and the material unloading station; and,

[0007] The unloading robot comprises a robot support arranged on the unloading platform, a robot moving mechanism arranged on the robot support, and a robot material picking and placing structure arranged on the robot moving mechanism, wherein the robot material picking and placing structure is located above the unloading tray structure.

[0008] Optionally, the unloading tray structure includes an unloading support plate slidably connected to the unloading base, and an unloading tray movably mounted on the top surface of the unloading support plate. The unloading support plate and the unloading tray are used to slide back and forth between the loading station and the unloading station, and the unloading tray corresponds to the robot arm's material picking and placing structure up and down.

[0009] Optionally, a sliding guide rail is provided on one of the unloading support plate and the unloading base, and a sliding slot is provided on the other of the two, the sliding guide rail is movably clamped in the sliding slot, and the sliding guide rail and the sliding slot are both extended between the loading station and the unloading station.

[0010] Optionally, a slot limiting plate located between the loading station and the unloading station is provided on the top of the unloading base, the sliding slot is formed in the middle of the slot limiting plate, and sliding guide wheel structures are provided on both sides of the sliding slot;

[0011] The sliding guide rail includes a guide rail plate arranged at the bottom of the unloading support plate and located in the sliding slot. Both sides of the guide rail plate have protruding guide rail limiting side plates. The guide rail limiting side plates are slidably engaged with the side walls of the sliding slot and contact the sliding guide wheel structure.

[0012] Optionally, at least one tray buckle structure is provided on the unloading pallet, and each tray buckle structure is used to buckle one of the unloading pallets;

[0013] The pallet buckle structure includes a plurality of clamping plates protruding from the top surface of the unloading pallet around the periphery, a pallet clamping slot is formed between the plurality of clamping plates, and the unloading pallet is clamped in the pallet clamping slot.

[0014] Optionally, the clamping plate is configured as a V-shaped elastic plate or a U-shaped elastic plate, and a middle protrusion of the V-shaped elastic plate or the U-shaped elastic plate is used for elastic clamping with a side surface of the unloading tray.

[0015] Optionally, a tray buckle structure is provided on the blanking pallet, and a blanking pallet is correspondingly buckled in the tray buckle structure; or,

[0016] Two tray buckle structures are arranged side by side on the unloading pallet, and the two unloading pallets are correspondingly buckled in the two tray buckle structures.

[0017] Optionally, the blanking pallet includes a pallet body slidably disposed on the blanking base, and a pallet handle protruding from a side of the pallet body, and the pallet handle is located at the blanking station side;

[0018] A material taking hole is provided in the middle of the support plate body, and the material taking hole corresponds to the edge of the unloading tray.

[0019] Optionally, the unloading rack assembly includes a tray sensing structure provided between the unloading base and the unloading tray structure;

[0020] The pallet sensing structure includes a pallet sensor disposed on the loading station side of the unloading base, and a pallet sensing plate protruding from the loading station side of the unloading support plate, and the pallet sensing plate corresponds to and cooperates with the pallet sensor.

[0021] Optionally, the unloading base includes a unloading bottom plate arranged on the unloading platform, a unloading bracket protruding from the unloading bottom plate, and a unloading support plate extending between the loading station and the unloading station and arranged on the unloading bracket, and the unloading tray structure is slidably arranged on the unloading support plate.

[0022] The beneficial effects brought by the technical solution provided by the utility model include:

[0023] During the bending and electrical testing of the flexible circuit board, when unqualified products (i.e. defective products) are detected, the manipulator moving mechanism of the unloading manipulator provided on the detection equipment drives the manipulator to take and release the material structure to grab the defective products, and move the defective products to the top of the unloading rack assembly of the unloading rack mechanism, and place the defective products in the unloading tray structure of the unloading rack assembly at the loading station. When the unloading tray structure is full of defective products or the detection is completed, the unloading tray structure can be manually pulled to slide the unloading tray structure from the loading station in the middle of the unloading platform to the unloading station at the edge of the unloading platform, so that the operator can unload the defective products in the unloading tray structure, and then push the empty unloading tray structure back to the loading station to continue receiving and unloading materials.

[0024] In the process of unloading defective products, the unloading manipulator provided by the detection equipment and the unloading rack assembly provided on the unloading platform can automatically transfer the defective products to the unloading rack assembly, and the unloading rack assembly can be moved manually to unload the defective products received by the unloading rack assembly, so that semi-automatic unloading of defective products can be achieved. Compared with the traditional technology of picking out defective products by full manual method, the efficiency of semi-automatic unloading method is relatively high; and compared with the traditional technology of picking out defective products by full automation method, there is no need to set up special automated unloading equipment, and the cost of semi-automatic unloading method is relatively low. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0026] Figure 1This is a schematic diagram of the three-dimensional structure of the defective product detection and unloading device according to an embodiment of the utility model;

[0027] Figure 2 The three-dimensional structure diagram of the defective product detection and unloading device (when the unloading robot is removed) according to the embodiment of the utility model Figure 1 ;

[0028] Figure 3 The three-dimensional structure diagram of the defective product detection and unloading device (when the unloading robot is removed) according to the embodiment of the utility model Figure 2 ;

[0029] Figure 4 The three-dimensional structure diagram of the unloading rack assembly according to the embodiment of the utility model is shown in FIG. Figure 1 ;

[0030] Figure 5 The three-dimensional structure diagram of the unloading rack assembly according to the embodiment of the utility model is shown in FIG. Figure 2 ;

[0031] Figure 6 The three-dimensional structure of the unloading rack assembly (when the unloading tray is removed) according to the embodiment of the utility model is shown in FIG. Figure 1 ;

[0032] Figure 7 The three-dimensional structure of the unloading rack assembly (when the unloading tray is removed) according to the embodiment of the utility model is shown in FIG. Figure 2 ;

[0033] Figure 8 It is a schematic diagram of the three-dimensional structure of the unloading base part of the unloading rack assembly according to the embodiment of the utility model;

[0034] Fig. 9 It is a three-dimensional structural schematic diagram of the unloading tray structural part of the unloading rack assembly described in the embodiment of the utility model.

[0035] In the figure: 10, defective product detection unloading device; 100, unloading platform; 200, unloading rack mechanism; 202, unloading rack assembly; 210, unloading base; 212, unloading bottom plate; 214, unloading bracket; 216, unloading support plate; 220, unloading tray structure; 222, unloading support plate; 2222, support plate body; 2224, support plate handle; 2226, material taking hole; 224, unloading tray; 226, tray buckle structure; 2262 , card plate; 230, sliding guide rail; 232, guide rail plate; 234, guide rail limiting side plate; 240, sliding card slot; 250, card slot limiting plate; 252, outer frame plate; 254, inner limiting plate; 256, sliding guide wheel structure; 260, pallet sensing structure; 262, pallet sensor; 264, pallet sensing plate; 300, unloading robot; 310, robot bracket; 320, robot moving mechanism; 330, robot material taking and placing structure. DETAILED DESCRIPTION

[0036] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0037] like Figures 1 to 3 As shown, the utility model proposes a defective product detection and unloading device, including an unloading platform 100, an unloading rack mechanism 200 and an unloading manipulator 300 arranged on the unloading platform 100, wherein the unloading manipulator 300 is located above the unloading rack mechanism 200, and the unloading manipulator 300 can be an unloading manipulator 300 of a detection device. In the process of unloading defective products, the unloading manipulator 300 provided by the detection device and the unloading rack assembly 202 arranged on the unloading platform 100 can be used to automatically transfer the defective products to the unloading rack assembly 202, and the unloading rack assembly 202 can be moved manually to unload the defective products received by the unloading rack assembly 202, so that semi-automatic unloading of defective products can be achieved. Compared with the traditional technology of picking out defective products by manual method, the efficiency of semi-automatic unloading method is relatively high; and compared with the traditional technology of picking out defective products by fully automated method, there is no need to set up special automated unloading equipment, and the cost of semi-automatic unloading method is relatively low.

[0038] Specifically, the middle part of the unloading platform 100 has a loading station, and the edge position of the unloading platform 100 has an unloading station. Moreover, the unloading rack mechanism 200 may include at least one unloading rack assembly 202 arranged on the unloading platform 100. Each unloading rack assembly 202 may include an unloading base 210 arranged on the unloading platform 100, and an unloading tray structure 220 slidably arranged on the unloading base 210, and the unloading tray structure 220 is used to carry defective products and move between the loading station and the unloading station. Moreover, the unloading manipulator 300 may include a manipulator bracket 310 arranged on the unloading platform 100, a manipulator moving mechanism 320 arranged on the manipulator bracket 310, and a manipulator material taking and releasing structure 330 arranged on the manipulator moving mechanism 320, and the manipulator material taking and releasing structure 330 is located above the unloading tray structure 220.

[0039] During the bending and electrical testing of the flexible circuit board, when unqualified products (i.e., defective products) are detected, the manipulator moving mechanism 320 of the unloading manipulator 300 provided on the testing device drives the manipulator to take and place the material structure 330 to grab the defective products, and move the defective products to the top of the unloading rack assembly 202 of the unloading rack mechanism 200, and place the defective products in the unloading tray structure 220 at the loading station of the unloading rack assembly 202. When the unloading tray structure 220 is full of defective products or the testing is finished, the unloading tray structure 220 can be manually pulled to slide the unloading tray structure 220 from the loading station in the middle of the unloading platform 100 to the unloading station at the edge of the unloading platform 100, so that the operator can unload the defective products in the unloading tray structure 220, and then push the empty unloading tray structure 220 back to the loading station to continue receiving and unloading. In this way, the defective product detection and unloading device can realize semi-automatic unloading of defective products, which is relatively simple to operate, has high production efficiency and relatively low cost.

[0040] In addition, if Figures 4 to 7 As shown, the unloading base 210 may include an unloading base plate 212 disposed on the unloading platform 100, an unloading bracket 214 protruding from the unloading base plate 212, and an unloading support plate 216 extending between the loading station and the unloading station and disposed on the unloading bracket 214, and the unloading tray structure 220 is slidably disposed on the unloading support plate 216.

[0041] Moreover, the unloading rack mechanism 200 may include a unloading rack assembly 202 disposed on the unloading platform 100, and the unloading rack assembly 202 cooperates with the unloading robot 300 to receive defective products transferred by the unloading robot 300 and unload the received defective products. In addition, the unloading rack mechanism 200 may include multiple (two or more) unloading rack assemblies 202 disposed on the unloading platform 100, and the multiple unloading rack assemblies 202 all cooperate with the unloading robot 300, and the multiple unloading rack assemblies 202 can be used to receive defective products transferred by the unloading robot 300, and each unloading rack assembly 202 can be used to receive and unload different types of defective products.

[0042] Furthermore, the unloading tray structure 220 of the unloading rack assembly 202 may include an unloading support plate 222 that is slidably clamped on the unloading base 210, and an unloading tray 224 that is movably clamped on the top surface of the unloading support plate 222. The unloading support plate 222 and the unloading tray 224 are used to slide back and forth between the loading station and the unloading station, and the unloading tray 224 corresponds to the manipulator material picking and placing structure 330 of the unloading robot 300 in the upper and lower directions. The defective products that fail the inspection can be transferred to the unloading tray 224 located at the loading station through the robot picking and unloading structure 330 of the unloading robot 300. After the unloading tray 224 is filled with defective products, the unloading tray 224 and the defective products on the unloading tray 222 can be moved from the loading station to the unloading station by pulling the unloading pallet 222. The unloading tray 224 connected to the unloading pallet 222 can be removed from the unloading pallet 222, the unloading tray 224 and the defective products thereon can be unloaded, and the empty unloading tray 224 can be buckled on the unloading pallet 222, and the unloading pallet 222 and the unloading tray 224 can be moved from the unloading station to the loading station to receive the defective products transferred by the robot picking and unloading structure 330 of the unloading robot 300 again.

[0043] Moreover, a sliding guide rail 230 is provided on one of the unloading support plate 222 and the unloading base 210, and a sliding slot 240 is provided on the other of the two. The sliding guide rail 230 is movably clamped in the sliding slot 240, and the sliding guide rail 230 and the sliding slot 240 are both extended between the loading station and the unloading station. Through the sliding guide rail 230 and the sliding slot 240 provided between the loading station and the unloading station, the unloading support plate 222 can be reciprocated between the loading station and the unloading station through the sliding guide rail 230 and the sliding slot 240, thereby driving the unloading tray 224 clamped on the unloading support plate 222 to reciprocate between the loading station and the unloading station, so that the unloading tray 224 can receive defective products and unload the defective products.

[0044] Furthermore, if Figures 6 to 9As shown, the top of the material discharging base 210 may be provided with a slot limiting plate 250 located between the material discharging station and the material discharging station, a sliding slot 240 is formed in the middle of the slot limiting plate 250, and both sides of the sliding slot 240 are provided with a sliding guide wheel structure 256. Moreover, the sliding guide rail 230 includes a guide rail plate 232 provided at the bottom of the material discharging support plate 222 and located in the sliding slot 240, and both sides of the guide rail plate 232 have protruding guide rail limiting side plates 234, and the guide rail limiting side plates 234 are slidably engaged with the side walls of the sliding slot 240 and contacted with the sliding guide wheel structure 256. In this way, the sliding connection between the material discharging support plate 222 and the material discharging base 210 can be achieved through the slot limiting plate 250 with the sliding slot 240 and the sliding guide rail 230 with the guide rail plate 232 and the guide rail limiting side plates 234. Moreover, by providing a sliding guide wheel structure 256 on both sides of the sliding slot 240 that is slidably engaged with the guide rail limiting side plate 234, the guide rail limiting side plate 234 can be limited and guided. When the guide rail limiting side plate 234 is clamped from both sides, the guide rail limiting side plate 234 can also slide smoothly along the sliding slot 240.

[0045] Moreover, the slot limiting plate 250 may include an outer frame plate 252 disposed on the top of the blanking base 210, the inner side of the outer frame plate 252 having a mounting groove, and the mounting groove is provided with an inner limiting plate 254. Moreover, the inner limiting plate 254 may be set as a U-shaped plate, and a middle protruding plate is protrudingly provided at the bottom of the U-shaped plate, so that the above-mentioned sliding slot 240 is formed between the side plate and the middle protruding plate of the U-shaped plate. The sliding guide wheel structure 256 may be disposed on the side plate of the U-shaped plate, the guide plate 232 of the sliding guide rail 230 may be supported on the top of the middle protruding plate, and the guide limit side plates 234 on both sides of the sliding guide rail 230 are respectively slidably engaged between the side plate and the middle protruding plate of the U-shaped plate to form the above-mentioned sliding slot 240.

[0046] In addition, if Figures 4 to 7 As shown, at least one tray buckle structure 226 may be provided on the unloading support plate 222, and each tray buckle structure 226 is used to buckle a unloading tray 224. That is, one unloading tray 224 may be movably buckled on the unloading support plate 222 of each unloading rack assembly 202, which can be used to receive and unload one type of defective product; moreover, multiple unloading trays 224 may be movably buckled on the unloading support plate 222 of each unloading rack assembly 202, which can be used to receive and unload one or more types of defective products.

[0047] Furthermore, each tray buckle structure 226 may include a plurality of clamping plates 2262 protruding from the top surface of the material unloading support plate 222, and a tray clamping slot is formed between the plurality of clamping plates 2262, and the material unloading tray 224 is clamped in the tray clamping slot. By providing a plurality of clamping plates 2262 on the top surface of the material unloading support plate 222 to form a tray clamping slot for clamping the material unloading tray 224, the structure is simple, the manufacturing cost is low, and it is also convenient to clamp or disassemble the material unloading tray 224.

[0048] Moreover, the clamping plate 2262 can be set as a V-shaped elastic plate or a U-shaped elastic plate, and the middle protrusion of the V-shaped elastic plate or the U-shaped elastic plate is used to elastically clamp with the side of the unloading tray 224. By setting the clamping plate 2262 as a V-shaped elastic plate or a U-shaped elastic plate, the structure is simple. Moreover, the side of the V-shaped elastic plate or the U-shaped elastic plate can be connected to the top surface of the unloading tray 222, so that the middle protrusions of multiple V-shaped elastic plates or multiple U-shaped elastic plates are located on the inner side of the tray slot and face each other, which is convenient for elastic clamping of the side of the unloading tray 224.

[0049] In addition, a tray snap-in structure 226 may be provided on the unloading pallet 222, and a corresponding unloading pallet 224 may be snap-into the tray snap-in structure 226. That is, a tray snap-in structure 226 may be provided on a unloading pallet 222 to movably snap-into a unloading pallet 224. In addition, two tray snap-in structures 226 may be provided side by side on the unloading pallet 222, and the two unloading pallets 224 may be snap-into the two tray snap-in structures 226 in a one-to-one correspondence. That is, two tray snap-in structures 226 may be provided on a unloading pallet 222, and two unloading pallets 224 may be movably snap-into, respectively. In addition, more than two tray snap-in structures 226 may be provided on the unloading pallet 222, and more than two unloading pallets 224 may be movably snap-into at the same time.

[0050] In addition, if Figures 8 to 9 As shown, the unloading pallet 222 may include a pallet body 2222 slidably disposed on the unloading base 210, and a pallet handle 2224 protruding from the side of the pallet body 2222, and the pallet handle 2224 is located at the unloading station side. By arranging the pallet handle 2224 on the outer end side of the unloading pallet 222, it is convenient to drag the unloading pallet 222 and the unloading tray 224 thereon through the pallet handle 2224, so that they can reciprocate between the loading station and the unloading station, which is simple and convenient.

[0051] Moreover, the middle of the support plate body 2222 may have a material taking hole 2226, and the material taking hole 2226 corresponds to the edge of the unloading tray 224. By providing the material taking hole 2226 corresponding to the tray slot portion in the middle of the unloading support plate 222, it is convenient for the operator to remove the unloading tray 224 in the tray slot from the tray snap structure 226 at the material taking hole 2226, and it is also convenient to snap the unloading tray 224 into the tray slot of the tray snap structure 226.

[0052] In addition, if Figures 6 to 9 As shown, the unloading rack assembly 202 may include a tray sensing structure 260 disposed between the unloading base 210 and the unloading tray structure 220. The tray sensing structure 260 can detect whether the unloading tray structure 220 is located at the loading station, so that the unloading robot 300 can transfer defective products to the unloading tray 224 of the unloading tray structure 220; and when the unloading tray structure 220 leaves the loading station and moves to the unloading station, the tray sensing structure 260 cannot detect the unloading tray structure 220, and at this time, the unloading robot 300 will not transfer the defective products to the loading station.

[0053] Moreover, the pallet sensing structure 260 may include a pallet sensor 262 disposed on the loading station side of the unloading base 210 , and a pallet sensing plate 264 protruding from the loading station side of the unloading support plate 222 , and the pallet sensing plate 264 corresponds to the pallet sensor 262 . The tray sensing plate 264 can move with the unloading support plate 222 of the unloading tray structure 220. When the unloading support plate 222 of the unloading tray structure 220 is located at the loading station, the tray sensing plate 264 can correspond to the tray sensor 262 so that the tray sensor 262 can sense, thereby detecting that the unloading support plate 222 is located at the loading station, and the unloading manipulator 300 can transfer defective products to the unloading tray 224 at the loading station; and when the unloading support plate 222 of the unloading tray structure 220 leaves the loading station, the tray sensing plate 264 is away from the tray sensor 262, so that the tray sensor 262 cannot sense, that is, it cannot detect that the unloading support plate 222 is located at the loading station. In addition, the tray sensor 262 can be set as an infrared light detector or a travel switch detector.

[0054] In the description of the present utility model, it should be noted that the terms "upper", "lower", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation on the present utility model. Unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a connection between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to the specific circumstances.

[0055] It should be noted that, in the present utility model, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0056] The above description is only a specific embodiment of the utility model, so that those skilled in the art can understand or implement the utility model. Various modifications to these embodiments will be obvious to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the utility model. Therefore, the utility model will not be limited to the embodiments shown herein, but should conform to the widest scope consistent with the principles and novel features of the utility model described herein.

Claims

1. A defective product detection and unloading device, characterized in that: include: A material unloading platform, wherein a loading station is provided in the middle of the material unloading platform and a material unloading station is provided at an edge of the material unloading platform; A material unloading rack mechanism, comprising at least one material unloading rack assembly arranged on the material unloading platform; the material unloading rack assembly comprises a material unloading base arranged on the material unloading platform, and a material unloading tray structure slidably arranged on the material unloading base, the material unloading tray structure is used to carry defective products and move between the material loading station and the material unloading station; as well as, The unloading robot comprises a robot support arranged on the unloading platform, a robot moving mechanism arranged on the robot support, and a robot material picking and placing structure arranged on the robot moving mechanism, wherein the robot material picking and placing structure is located above the unloading tray structure.

2. The defective product detection and unloading device according to claim 1 is characterized in that: The unloading tray structure includes an unloading support plate that is slidably clamped on the unloading base, and an unloading tray that is movably clamped on the top surface of the unloading support plate. The unloading support plate and the unloading tray are used to slide back and forth between the loading station and the unloading station, and the unloading tray corresponds to the robot arm's material picking and placing structure up and down.

3. The defective product detection and unloading device according to claim 2 is characterized in that: One of the unloading support plate and the unloading base is provided with a sliding guide rail, and the other of the two is provided with a sliding slot. The sliding guide rail is movably clamped in the sliding slot, and the sliding guide rail and the sliding slot are both extended between the loading station and the unloading station.

4. The defective product detection and unloading device according to claim 3 is characterized in that: A slot limiting plate located between the loading station and the unloading station is provided on the top of the unloading base, the sliding slot is formed in the middle of the slot limiting plate, and sliding guide wheel structures are provided on both sides of the sliding slot; The sliding guide rail includes a guide rail plate arranged at the bottom of the unloading support plate and located in the sliding slot. Both sides of the guide rail plate have protruding guide rail limiting side plates. The guide rail limiting side plates are slidably engaged with the side walls of the sliding slot and contact the sliding guide wheel structure.

5. The defective product detection and unloading device according to claim 2, characterized in that: At least one tray buckle structure is provided on the unloading pallet, and each tray buckle structure is used to buckle one of the unloading pallets; The pallet buckle structure includes a plurality of clamping plates protruding from the top surface of the unloading pallet around the periphery, a pallet clamping slot is formed between the plurality of clamping plates, and the unloading pallet is clamped in the pallet clamping slot.

6. The defective product detection and unloading device according to claim 5, characterized in that: The clamping plate is configured as a V-shaped elastic plate or a U-shaped elastic plate, and the middle protrusion of the V-shaped elastic plate or the U-shaped elastic plate is used for elastic clamping with the side surface of the unloading tray.

7. The defective product detection and unloading device according to claim 5, characterized in that: The unloading support plate is provided with a tray buckle structure, and a corresponding unloading tray is buckled in the tray buckle structure; or, Two tray buckle structures are arranged side by side on the unloading pallet, and the two unloading pallets are correspondingly buckled in the two tray buckle structures.

8. The defective product detection and unloading device according to claim 2, characterized in that: The blanking support plate includes a support plate body slidably arranged on the blanking base, and a support plate handle protruding from the side of the support plate body, and the support plate handle is located at the blanking station side; A material taking hole is provided in the middle of the support plate body, and the material taking hole corresponds to the edge of the unloading tray.

9. The defective product detection and unloading device according to claim 2, characterized in that: The unloading rack assembly includes a tray sensing structure disposed between the unloading base and the unloading tray structure; The pallet sensing structure includes a pallet sensor disposed on the loading station side of the unloading base, and a pallet sensing plate protruding from the loading station side of the unloading support plate, and the pallet sensing plate corresponds to and cooperates with the pallet sensor.

10. The defective product detection and unloading device according to claim 1, characterized in that: The unloading base includes an unloading bottom plate arranged on the unloading platform, an unloading bracket protruding from the unloading bottom plate, and an unloading support plate extending between the loading station and the unloading station and arranged on the unloading bracket, and the unloading tray structure is slidably arranged on the unloading support plate.

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