Transferring unit of disordered junction box

Abstract

The invention relates to a transfer unit for disordered junction boxes. The transfer unit comprises a transfer conveying belt, a visual inspection part; an overturning part; and the central control component is communicated with the visual detection component, the overturning component and the transshipment manipulator. On one hand, on the premise that the junction box is taken out at will, disordered feeding is completed through visual detection and recognition and matching operation of the front face, the back face and the coil orientation of the junction box in sequence; and on the other hand, transmission of the transshipment conveying belt and overturning of the overturning platform at different angles are fully utilized, homeopathic overturning or homeopathic unloading is carried out by means of the transmission speed difference in a narrow space, the impact on the junction box is small, at least one side can be used as a reference in the unloading process, and follow-up clamping is facilitated.

Description

[0001] This application is a divisional application with the application date of June 7, 2024, application number 2024107338826, and name of automatic feeding device for disorderly and recyclable junction box. Technical Field

[0002] The invention belongs to the technical field of photovoltaics, and in particular relates to a transfer unit of a disordered junction box. Background Art

[0003] A conventional photovoltaic module (single glass or double glass) includes an upper glass cover plate, a solar cell, a lower base plate, and a junction box installed on the upper glass cover plate, which are arranged in sequence from top to bottom.

[0004] At present, the junction box includes a coil, a box body and a connector located on opposite sides of the coil and extending in the same direction. That is to say, in the process of loading, it not only has a positive and negative distinction (box body), but also has position angle requirements (whether the coil faces left or right). Therefore, there are the following technical difficulties in the automatic loading of the junction box:

[0005] 1) The wiring box needs to be sorted in an orderly manner during loading, which requires not only multiple visual inspections but also selection. Therefore, not only is the operation cumbersome, but there is also a probability of material breakage, which leads to interruption of the operation and affects the overall assembly efficiency;

[0006] 2) If you want to flip it on the conveyor belt, you need to use a unique flipping mechanism, which not only requires a large operating space, but also the position angle of the junction box unloaded on the conveyor belt is different, which is not easy to clamp later. Summary of the invention

[0007] The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide an improved transfer unit of a disorderly junction box.

[0008] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0009] A transfer unit for disordered junction boxes, comprising a transfer conveyor belt docked with a flipping platform; a visual inspection component located above the flipping platform and the transfer conveyor belt; a flipping component for driving the flipping platform to flip and unload; a transfer robot capable of transferring junction boxes from the transfer conveyor belt; and a central control component connected to the visual inspection component, the flipping component, and the transfer robot, wherein the transfer conveyor belt and the flipping component maintain the current state of the junction box for unloading based on the front and back information of the junction box fed back by the visual inspection component, or cooperate with the transmission speed difference formed by the flipping component and the transfer conveyor belt to adjust the front and back of the junction box by 180°, so as to unload the junction box to the transfer conveyor belt with the front and back orientation of the junction box matching the orientation required for loading.

[0010] According to a specific implementation and preferred aspect of the present invention, the transmission speed formed by the transfer conveyor belt is less than the speed at which the junction box is unloaded from the flipping platform. Under this speed control, the success rate of the junction box flipping is increased. The main reason is that once the flipping contact is made, if the forward speed is too fast, the product will fall backwards. Therefore, the success rate of the flipping can be further improved and the probability of feeding interruption can be reduced. At the same time, in addition to transmitting and assisting in unloading the junction box, the transfer conveyor belt has another technical purpose. During the flipping unloading, the junction box generally gradually detaches after one side (either the box body or the connector) is fully in contact with the transfer conveyor belt. Therefore, the position state of the junction box after unloading can be basically calibrated, which is convenient for the subsequent clamping and transfer.

[0011] According to another specific implementation and preferred aspect of the present invention, when the angle formed by the flip platform and the horizontal plane is less than or equal to 30°, the junction box maintains the current state and is unloaded to the transfer conveyor belt; when the angle formed by the flip platform and the horizontal plane is a right angle or an obtuse angle, the junction box is adjusted 180° front and back in the cooperation of flipping and moving forward and is transferred forward along the transfer conveyor belt. Under the small-angle unloading, the junction box slides freely to the transfer conveyor belt; when the flip angle is a right angle or an obtuse angle, there is a cooperation between the sliding process and the forward process, and the front and back flip is formed by taking advantage of the momentum. Of course, the so-called right angle or obtuse angle is preferably an obtuse angle (generally within 120°), because there is a forward push on the product, which is more conducive to flipping, that is, the junction box falls freely in accordance with the flip platform and maintains a forward flipping trend to be unloaded on the transfer conveyor belt. In short, this is not a throwing method, but a flipping method using momentum (not only does it require a small space, but it is also easy to control according to the flipping angle, and it goes with the flow and is very reasonable). Of course, there is another way to implement it, which is to throw it over. That is to say, the junction box is flipped forward by the flipping platform and falls onto the transfer conveyor belt after flipping in the air (this method seems feasible, but the success rate of the flipping is difficult to control, and there is a collision of the internal components of the junction box, and a larger space is required).

[0012] In some specific embodiments, the flip platform is rotatably arranged on the corresponding frame through a flip axis extending along the width direction of the transfer conveyor belt, and the flip component is a power component that drives the flip axis to rotate.

[0013] Preferably, guardrails are provided on opposite sides of the turning platform, and the guardrails extend to the upper side of the transfer conveyor belt.

[0014] Preferably, the turning platform is installed at the rear end of the transfer conveyor belt; in the initial state, the turning platform is parallel to the surface of the transfer conveyor belt and forms a height difference. In this way, there is space for turning, and the turning platform is rotatably arranged on the corresponding frame through a turning shaft extending along the width direction of the transfer conveyor belt, and the turning component is a power component that drives the turning shaft to rotate. Conventional turning components can adopt a turning motor (motor) and a pulley drive mode, and of course can also be directly driven by a motor.

[0015] According to another specific implementation and preferred aspect of the present invention, the transfer robot includes a clamp matching the box body, a power device driving the clamp to clamp or open, and an adjusting motor driving the clamp and the power device to rotate together around the vertical direction, wherein the adjusting motor has a coil orientation rotation mode and a box body adaptive angle clamping mode, when the box body is clamped, the adjusting motor selects the adaptive angle clamping mode to clamp the box body; when the box body is clamped, if the coil orientation is opposite to it, the adjusting motor switches the coil orientation rotation mode and rotates with a period of 180° so that the coil orientation of the junction box matches the loading orientation.

[0016] In some specific embodiments, the visual detection component includes a visual camera and an image processor located on the top of the corresponding rack, wherein the visual camera obtains photo information, the image processor analyzes the front and back orientation of the junction box and the coil orientation information in the picture, and controls the movement of the flipping component and the transfer robot.

[0017] In addition, the transfer unit also includes a return material component arranged at the output end of the transfer conveyor belt and capable of automatically collecting return materials. If a junction box appears on the transfer conveyor belt that does not match the orientation required for loading, it will be directly transferred to the return material component by the transfer conveyor belt.

[0018] Preferably, the return material component includes a connecting hopper and a material receiving drawer connected to the end of the transfer conveyor belt, wherein the connecting hopper is tilted up and down, and the upper end is located in front of the output end of the transfer conveyor belt, and the lower end extends to the bottom of the transfer conveyor belt and connects with the material receiving drawer. The connecting hopper is set close to the transfer conveyor belt, and the angle formed between it and the conveying surface of the transfer conveyor belt is less than 30°. Avoid excessive drop and reduce the impact damage rate of the return material of the mismatched junction box. Furthermore, a vibrator is also provided on the connecting hopper, wherein the vibrator increases the smoothness of the return material.

[0019] Due to the implementation of the above technical solution, the present invention has the following advantages compared with the prior art:

[0020] In the transfer of existing junction boxes, not only do they need to be sorted in an orderly manner, but they also need multiple visual inspections and selections. Therefore, the operation is cumbersome, and there is a probability of material breakage, which leads to interruption of the operation and affects the overall assembly efficiency. At the same time, if you want to flip them on the conveyor belt, you need to use a unique flipping mechanism, which not only requires a large operating space, but also the position angles of the junction boxes unloaded onto the conveyor belt are different, which is not easy to clamp later, etc. The overall design of the structure of the transfer unit in the present invention cleverly solves the various deficiencies of the existing structure. After adopting the transfer unit, first, the material-taking robot takes out the junction box from the feeding station and sends it to the flipping platform, and at the same time, the visual inspection component obtains the front and back information of the junction box, and then the flipping platform starts to flip and unload according to the information, and matches the front and back directions of the box body with the required direction for loading on the transfer conveyor belt, and then it is clamped by the transfer robot. At this time, the information obtained by the visual inspection component is used again, and then the direction of the coil is known according to the information. Once the direction is opposite, the robot directly rotates 180° to reverse the feeding and loading directions to complete the feeding of the junction box. Therefore, on the one hand, the present invention is based on the premise of taking out any junction box, and the front and back sides of the junction box and the coil direction are identified and matched in sequence by visual inspection to complete the disordered loading; on the other hand, it makes full use of the transmission of the transfer conveyor belt and the different angles of the flipping platform. In a small space, the transmission speed difference is used to flip or unload, which has little impact on the junction box itself, and at least one side can be used as a reference during unloading to facilitate subsequent clamping. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of the automatic feeding device of the disordered and recyclable junction box of this embodiment;

[0022] Figure 2 for Figure 1 A schematic diagram of the structure of the middle material frame supply unit;

[0023] Figure 3 for Figure 2 A simplified schematic diagram of

[0024] Figure 4 for Figure 1 Schematic diagram of the local structure;

[0025] Figure 5 for Figure 4 The structural diagram of the transfer unit;

[0026] Figure 6 for Figure 5 Another perspective structural diagram of;

[0027] Figure 7 for Figure 5 A simplified schematic diagram of

[0028] Wherein: 1. material frame supply unit; 11. first conveyor belt; 12. second conveyor belt; 13. third conveyor belt; 14. elevator; 15. interval sensor; 16. material frame monitor; k. material frame;

[0029] 2. Material taking manipulator;

[0030] 3. Flip the platform;

[0031] 4. Transfer platform;

[0032] 5. Transfer unit; 50. Transfer conveyor belt; 51. Visual inspection component; 510. Visual camera; 52. Turning component; m. Turning axis; 53. Return material component; 530. Connecting hopper; 531. Material receiving drawer; 532. Vibrator; 54. Transfer manipulator; 540. Clamp; 541. Power device; 542. Adjustment motor; 55. Guardrail;

[0033] 6. Arrange positioning and clamping. DETAILED DESCRIPTION

[0034] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is described in detail below in conjunction with the accompanying drawings and specific embodiments. In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the present invention, so the present invention is not limited by the specific embodiments disclosed below.

[0035] In the description of the present invention, it is to be understood that the terms “center”, “longitudinal”, “lateral”, “length”, “width”, “thickness”, “up”, “down”, “front”, “back”, “left”, “right”, “vertical”, “horizontal”, “top”, “bottom”, “inside”, “outside”, “clockwise”, “counterclockwise”, “axial”, “radial”, “circumferential”, etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0036] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0037] In the present invention, unless otherwise clearly defined and specified, the terms "installed", "connected", "connected", "fixed" and the like 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 directly connected, or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0038] In the invention, unless otherwise clearly specified and limited, a first feature being “above” or “below” a second feature may mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being “above”, “above”, or “above” a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being “below”, “below”, or “below” a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0039] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used herein are for illustrative purposes only and do not represent the only implementation method.

[0040] like Figures 1 to 7As shown, the automatic feeding device of the disordered and recyclable junction box of this embodiment, the junction box H includes a coil h1, a box body h2 located on opposite sides of the coil h1 and extending in the same direction, and a connector h3, wherein the box body h2 itself has a front and back installation surface, and the coil h1 has a left and right orientation, and the automatic feeding device includes a material frame supply unit 1 loaded with the junction box H, a material taking manipulator 2 that takes materials one by one from any direction in the material frame, a turning platform 3, and a transfer unit 5 that transfers the junction box from the turning platform 3 to the transfer platform 4. The material frame supply unit 1 has a feeding station and an auxiliary material station, wherein the material frame in the auxiliary material station can automatically fill in the feeding station to form a cyclic supply of the junction box of the material frame. In some specific embodiments, the material frame supply unit 1 includes a first conveyor belt 11 and a second conveyor belt 12 arranged in layers from top to bottom, and a third conveyor belt 13 located at the same end of the first conveyor belt 11 and the second conveyor belt 12 and capable of being lifted up and down, wherein during the lifting and lowering of the third conveyor belt 13, the first conveyor belt 11 and the third conveyor belt 12 or the second conveyor belt 12 and the third conveyor belt 13 are docked to automatically fill or unload the material frame; and the upper position of the third conveyor belt 13 is a feeding station, and the other positions are auxiliary material stations. The layout is made in a motion connection manner, which not only makes the structure of the entire feeding simple and occupies a small space; but also facilitates the circulation of the material frame itself (feeding and unloading). The auxiliary material station includes a feeding auxiliary station, an unloading auxiliary station, and an unloading auxiliary station, wherein the feeding station is directly above the unloading auxiliary station, the first conveyor belt 11 constitutes a feeding auxiliary station, and the second conveyor belt 12 constitutes an unloading auxiliary station. In short, by switching the position of the third conveyor belt 13 between the unloading auxiliary station and the feeding station, the feeding auxiliary station and the discharging auxiliary station can be connected to form a material frame circulation supply mode, and it is also convenient for the junction box to take the material. At the same time, for the lifting and lowering of the third conveyor belt 13, a conventional hoist 14 can be used, but for accurate control, an interval sensor 15 needs to be set to separate and transmit the material frame k in each auxiliary station. The specific hoist 14 is a slide rail wire, and it is lifted and lowered in the form of a transmission screw; the interval sensor 15 uses a retractable cylinder to separate, and it needs to be intercepted or released to perform the material frame filling operation.

[0041] In this example, there are two groups of material frame supply units 1, which are formed on opposite sides of the material picking manipulator 2, wherein at least one third conveyor belt 13 is maintained at the feeding station in the two groups of material frame supply units 1. Here, it can at least be guaranteed that there will be no interruption in the material picking of the material picking manipulator, ensuring continuous operation. At the same time, the two groups of material frame supply units 1 are symmetrically arranged, and the first conveyor belt 11 and the second conveyor belt 12 are away from the end of the third conveyor belt 13. The end-emerging arrangement facilitates the feeding and removal of the material frame. At the same time, a material frame monitor 16 is also provided above each feeding station, wherein the material frame monitor 16 assists the material picking of the material picking manipulator 2, and when the material frame k is emptied, the frame k is automatically unloaded and the material is replenished.

[0042] The material taking manipulator 2 is a conventional robot (can be purchased directly).

[0043] The transfer unit 5 includes a transfer conveyor belt 50 docked with the flip platform 3; a visual inspection component 51 located above the flip platform 3 and the transfer conveyor belt 50; a flip component 52 for driving the flip platform 3 to flip and unload; a return material component 53 arranged at the output end of the transfer conveyor belt 50 and capable of automatically collecting the return material; a transfer robot 54 capable of transferring the junction box from the transfer conveyor belt 50; and a central control component connected to the visual inspection component 51, the flip component 52, and the transfer robot 54, wherein the transfer conveyor belt 50 and the flip component 52 are connected based on the front and back information of the junction box fed back by the visual inspection component 51. The information is used to keep the junction box in its current state and unload it to the transfer conveyor 50, or to cooperate in adjusting the front and back sides of the junction box by 180°, so that the front and back directions of the junction box match the direction required for loading and unload it to the transfer conveyor 50; and if a junction box that does not match the direction required for loading appears on the transfer conveyor 50, it is transferred to the return material component 53 by the transfer conveyor 50; the transfer robot 54 maintains the current state and clamps the junction box from the transfer conveyor 50 to the transfer platform, or the transfer robot 54 clamps it and then adjusts the direction by 180°, so that the left and right directions of the junction box coil match the direction required for loading and transfer it to the transfer platform 4.

[0044] The flipping platform 3 is flipped around the horizontal direction by the flipping component 52; the flipping platform 3 has an initial state and a flipping state. In the initial state, the flipping platform 3 is horizontally arranged; in the flipping state, the flipping platform 3 is intersecting with the horizontal plane. Specifically, when the angle formed by the flipping platform 3 and the horizontal plane is less than or equal to 30°, the junction box H maintains the current state and is unloaded to the transfer conveyor belt 50; when the angle formed by the flipping platform 3 and the horizontal plane is a right angle or an obtuse angle, the junction box H is adjusted 180° front and back in the cooperation of flipping and forward movement and is transferred forward with the transfer conveyor belt 50. Under the small-angle unloading, the junction box slides freely to the transfer conveyor belt; when the flipping angle is a right angle or an obtuse angle, there is a cooperation between the sliding process and the forward process, and the front and back flipping is formed by taking advantage of the momentum. Of course, the so-called right angle or obtuse angle is preferably an obtuse angle (generally 120°

[0045] (within 500m2), because there is a forward push on the product, which is more conducive to flipping, that is, the junction box H falls freely in accordance with the flipping platform 3 and keeps the flipping trend forward to be unloaded on the transfer conveyor belt 50. In short, this is not a throwing method, but a flipping method using momentum (not only the required space is small, but also it is easy to control according to the flipping angle, and it is very reasonable to follow the trend). Of course, there is another implementation method, that is, flipping, that is, the junction box is flipped forward by the flipping platform and falls on the transfer conveyor belt after flipping in the air (this method is feasible on the surface, but the success rate of flipping is difficult to control, and there is a collision of the internal components of the junction box, and a larger space is required). In some specific embodiments, the flipping platform 3 is installed at the rear end of the transfer conveyor belt 50; when in the initial state, the flipping platform 3 is parallel to the surface of the transfer conveyor belt 50, and a height difference is formed. In this way, there is space to form a flip, and the flipping platform 3 is rotated and arranged on the corresponding frame through the flip shaft m extending along the width direction of the transfer conveyor belt 50, and the flipping component 52 is a power component that drives the flip shaft m to rotate. The conventional flipping component 52 can be driven by a flipping motor (electric motor) and a pulley, or can be directly driven by a motor.

[0046] In some specific embodiments, the transmission speed formed by the transfer conveyor belt 50 is less than the speed at which the junction box is unloaded from the flip platform 3. Under the control of this speed difference, the success rate of the junction box flipping is increased. The main reason is that once the flip contact moment, if the forward speed is too fast, it will cause the product to tip backwards. Therefore, the success rate of flipping can be further improved and the probability of feeding interruption can be reduced. At the same time, in addition to transmitting and assisting in unloading the junction box, the transfer conveyor belt has another technical purpose, that is, during the flip unloading, the junction box generally gradually detaches after one side (either the box body or the connector) is fully in contact with the transfer conveyor belt. Therefore, the position state of the junction box after unloading can be basically calibrated, so that it is convenient for the later clamping and reprinting. The visual detection component 51 includes a visual camera 510 and an image processor located at the top of the corresponding rack, wherein the visual camera 510 obtains photo information, and the image processor analyzes the front and back directions of the junction box H and the coil direction information in the picture, and controls the flip component 52 and the transfer manipulator 54 to move. The return material component 53 includes a connecting hopper 530 connected to the end of the transfer conveyor belt 50, a material receiving drawer 531, and a vibrator 532 arranged on the connecting hopper 530, wherein the connecting hopper 530 is arranged to be tilted up and down, and the upper end is located in front of the output end of the transfer conveyor belt 50, and the lower end extends to the bottom of the transfer conveyor belt 50 to connect with the material receiving drawer 531. The connecting hopper 530 is arranged close to the transfer conveyor belt 50, and the angle formed between the connecting hopper 530 and the conveying surface of the transfer conveyor belt 50 is less than 30°. Avoid the existence of an excessively high drop and reduce the impact damage rate in the return material of the mismatched junction box. Furthermore, the vibrator 532 increases the smoothness of the return material. The transfer manipulator 54 includes a clamp 540 matching the box body, a power device 541 driving the clamp 540 to clamp or open, and an adjustment motor 542 driving the clamp 540 and the power device 541 to rotate together in the vertical direction, wherein the adjustment motor 542 has a coil direction rotation mode and a box body adaptive angle clamping mode. When the box body is clamped, the adjustment motor selects the adaptive angle clamping mode to clamp the box body; after the box body is clamped, if the coil direction is opposite to it, the adjustment motor switches the coil direction rotation mode and uses 180° as a rotation cycle to make the coil direction of the junction box match the loading direction. Make full use of the characteristics of the transfer manipulator and adjust the coil direction to form the necessary conditions for disordered loading; at the same time, guardrails 55 are also provided on the opposite sides of the flip platform 3, and the guardrails 55 extend to the upper side of the transfer conveyor belt 50.

[0047] In addition, a positioning center based on the junction box H is formed on the transfer platform 4, and the automatic feeding device also includes a tidying positioning clamp 6 set at the positioning center for clamping and correcting. The next step of assembling the junction box is carried out while maintaining a relatively accurate position. Specifically, the tidying positioning clamp 6 is two clamping plates extending along the length direction of the box body h2, and a driver that drives the two clamping plates to clamp relatively close or relatively separate and open. Of course, one side can also be a fence, and the other side can move relatively to form clamping or opening.

[0048] Finally, regarding disorder, it is difficult to achieve for the junction box of the present application. The most critical reason is that it has no rules itself. Therefore, conventional operations require preliminary sorting before loading operations. In summary, after adopting the automatic feeding device, first, the material frame in the auxiliary material station can automatically fill the position at the feeding station to form a circular supply of the material frame; then the material picking robot takes out the junction box from the feeding station and sends it to the flipping platform. At the same time, the visual inspection component obtains the front and back information of the junction box, and then the flipping platform starts to flip and unload according to the information, and matches the front and back directions of the box body with the direction required for loading to the transfer conveyor belt, and then it is clamped by the transfer robot. At this time, the information obtained by the visual inspection component is used to know the direction of the coil. Once the direction is opposite, the robot directly rotates 180° to change direction to match the feeding and loading directions to complete the feeding of the junction box. Therefore, On the one hand, the present invention is based on the premise of taking out the junction box at will, and the disordered loading is completed by visual inspection and the identification and matching operations of the front and back sides of the junction box and the direction of the coil in sequence, and the unmatched junction boxes are returned, so that the junction boxes can be continuously supplied, and the probability of material breakage is low, thereby improving the assembly efficiency; on the other hand, the transmission of the transfer conveyor belt and the different angles of the turning platform are fully utilized, and in a small space, the junction box can be turned or unloaded by taking advantage of the transmission speed difference, which has little impact on the junction box itself, and at least one side can be used as a reference during unloading, which is convenient for subsequent clamping; the third aspect adopts the layout in the form of motion connection, which not only makes the entire feeding structure simple and occupies a small space; And it is beneficial to the circulation of the material frame itself (feeding and unloading), and at the same time, by switching the position of the third conveyor belt between the unloading auxiliary station and the feeding station, the feeding auxiliary station and the unloading auxiliary station can be connected to form a material frame circulation supply mode, and it is also convenient for the wiring box to take the material; fourthly, the material frame supply unit has two groups, and they are formed on the opposite sides of the material taking manipulator respectively, wherein at least one third conveyor belt is kept at the feeding station in the two groups of material frame supply units, here, at least it can be guaranteed that there will be no interruption in the material taking of the material taking manipulator, ensuring continuous operation, and at the same time, it is convenient for the material frame to be fed in and removed; fifthly, the transfer conveyor belt is formed The transmission speed is lower than the speed at which the junction box is unloaded from the flip platform. Under the control of this speed difference, the success rate of the junction box flipping is increased. The main reason is that once the flip contact occurs, if the forward speed is too fast, the product will fall backward. Therefore, the success rate of flipping can be further improved and the probability of feeding interruption can be reduced. At the same time, in addition to transmitting and assisting in unloading the junction box, the transfer conveyor belt has another technical purpose. During the flip unloading, the junction box generally gradually detaches after one side (either the box body or the connector) is fully in contact with the transfer conveyor belt. Therefore, the position state of the junction box after unloading can be basically calibrated, which is convenient for the subsequent clamping and transfer.Sixthly, the connection hopper is set close to the transfer conveyor belt, and the angle formed between it and the conveying surface of the transfer conveyor belt is less than 30°, so as to avoid excessive drop and reduce the impact damage rate of the return material of the mismatched junction box. At the same time, a vibrator is also provided on the connection hopper, which increases the smoothness of the return material; seventhly, the characteristics of the transfer manipulator are fully utilized, and the direction of the coil is adjusted to form the necessary conditions for disordered feeding; eighthly, the positioning clamping can maintain a relatively accurate position for the next step of the junction box assembly, and the guardrail is used for transmission protection. ;

[0049] The above detailed description of the present invention is intended to enable persons familiar with the art to understand the contents of the present invention and implement them. It does not limit the protection scope of the present invention. Any equivalent changes or modifications made according to the spirit of the present invention should be included in the protection scope of the present invention.

Claims

1. A transfer unit of a disordered junction box, the junction box comprising a coil, a box body and a connector located on opposite sides of the coil and extending in the same direction, wherein the box body itself has a front and back installation surface, and the coil has a left and right orientation, characterized in that: The transfer unit includes a transfer conveyor belt docked with the flipping platform; a visual inspection component located above the flipping platform and the transfer conveyor belt; a flipping component for driving the flipping platform to flip and unload; a transfer robot capable of transferring the junction box from the transfer conveyor belt; and a central control component connected to the visual inspection component, the flipping component, and the transfer robot, wherein the transfer conveyor belt and the flipping component maintain the current state of the junction box for unloading based on the front and back information of the junction box fed back by the visual inspection component, or cooperate with the transmission speed difference formed by the flipping component and the transfer conveyor belt to adjust the front and back of the junction box by 180°, so as to unload the junction box to the transfer conveyor belt with the front and back orientation matching the orientation required for loading.

2. The transfer unit of the disorderly junction box according to claim 1, characterized in that: The transmission speed formed by the transfer conveyor belt is lower than the speed at which the junction box is unloaded from the overturning platform.

3. The transfer unit of the disorderly junction box according to claim 1, characterized in that: When the angle formed by the flipping platform and the horizontal plane is less than or equal to 30°, the junction box maintains the current state and is unloaded to the transfer conveyor belt; when the angle formed by the flipping platform and the horizontal plane is a right angle or an obtuse angle, the junction box is adjusted 180° front and back in the cooperation of flipping and moving forward and is transferred forward along the transfer conveyor belt.

4. The transfer unit of the disorderly junction box according to claim 1, characterized in that: The overturning platform is rotatably arranged on the corresponding frame through an overturning shaft extending along the width direction of the transfer conveyor belt, and the overturning component is a power component driving the overturning shaft to rotate.

5. The transfer unit of the disorderly junction box according to claim 4, characterized in that: Guardrails are also provided on opposite sides of the turning platform, and the guardrails extend to the upper side of the transfer conveyor belt.

6. The transfer unit of the disorderly junction box according to claim 4, characterized in that: The overturning platform is installed at the rear end of the transfer conveyor belt; in the initial state, the overturning platform is parallel to the surface of the transfer conveyor belt and forms a height difference.

7. The transfer unit of the disorderly junction box according to claim 1, characterized in that: The transfer robot includes a clamp matching the box body, a power device driving the clamp to clamp or open, and an adjusting motor driving the clamp and the power device to rotate together around the vertical direction, wherein the adjusting motor has a coil orientation rotation mode and a box body adaptive angle clamping mode, when the box body is clamped, the adjusting motor selects the adaptive angle clamping mode to clamp the box body; after the box body is clamped, if the coil orientation is opposite to it, the adjusting motor switches the coil orientation rotation mode and uses 180° as a rotation period so that the coil orientation of the junction box matches the loading orientation.

8. The transfer unit of the disorderly junction box according to claim 1, characterized in that: The visual detection component includes a visual camera and an image processor located on the top of the corresponding rack, wherein the visual camera obtains photo information, the image processor analyzes the front and back orientation of the junction box and the coil orientation information in the picture, and controls the movement of the flipping component and the transfer robot.

9. The transfer unit of the disorderly junction box according to any one of claims 1 to 8, characterized in that: The transfer unit also includes a return material component arranged at the output end of the transfer conveyor belt and capable of automatically collecting return materials. If a junction box appears on the transfer conveyor belt that does not match the orientation required for loading, it will be directly transferred to the return material component by the transfer conveyor belt.

10. The transfer unit of the disorderly junction box according to claim 9, characterized in that: The return material component includes a connecting hopper and a material receiving drawer connected to the end of the transfer conveyor belt, wherein the connecting hopper is arranged to be inclined up and down, and the upper end is located in front of the output end of the transfer conveyor belt, and the lower end extends to the bottom of the transfer conveyor belt and is connected to the material receiving drawer.

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