Detection processing method for injection molding production of LED (light-emitting diode) bracket

Abstract

The invention discloses an LED support injection molding production detection processing method which comprises the steps that firstly, a substrate is placed on a jig through a feeding device, a plurality of through holes are formed in the jig, and the through holes are in one-to-one correspondence with subsequently-formed LED supports; secondly, the substrate on the jig is obtained through a transfer device, a detection camera is used for detecting the position of the substrate, and secondary detection is conducted on the position of the substrate on the lower die base through a second detection camera; thirdly, the upper end face of the LED support is detected through a second detection camera; fourthly, the lower end face of the LED support is detected through a third detection camera; fifthly, the multi-shaft stamping device sequentially moves to the position of the defective LED support and then punches off the defective LED support, defective products can fall out of the through hole of the jig, finally, the products are taken out through the discharging device, full-process operation of production, detection and follow-up treatment can be achieved through mutual cooperation of all the devices, and especially the defective products are treated, so that the production efficiency is improved. The quality of the LED support is controlled through the second detection camera and the first detection camera, then the defective LED support is removed through the multi-shaft stamping device, a traditional manual removal mode is replaced, interference to adjacent good LED supports is avoided, the working efficiency is greatly improved, and the product defects are reduced.

Description

Technical Field

[0001] The invention belongs to the technical field of integrated production and detection equipment, and in particular is a method for processing injection molding production and detection of an LED bracket. Background Art

[0002] The LED bracket consists of a substrate and a cup body. After the substrate is stamped into its basic shape, it is sent to the injection molding device for cup body injection molding. After completion, it is taken out to test the quality of the injection molding. If an unqualified cup body appears on the substrate or the cup body falls off, it needs to be further processed as a defective product.

[0003] Based on the above description, the production of LED brackets has multiple steps, and each device is relatively mature, but not integrated together. After each step is completed, the plates are collected and transferred to other devices for the next step, which is very troublesome. Moreover, after a defective LED is detected, it is difficult to handle because the LED bracket is extremely small. The current practice is to remove the cup of the bracket so that the detection camera cannot identify the removed position and avoid it in subsequent applications. However, in the process of removing the cup, it is possible to accidentally remove the adjacent cups, so it is very troublesome to handle. Summary of the invention

[0004] The object of the present invention is to provide a method for detecting and processing the injection molding production of an LED bracket to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A method for detecting and processing injection molding production of an LED bracket comprises a conveying device and an injection molding device arranged transversely, a transfer device and a detection camera 3 are arranged between the two, a jig is arranged on the conveying device, and an upper material position and a lower material position are formed at both ends of the conveying device, and a multi-axis punching device is arranged between the upper material position and the lower material position;

[0007] In the first step, the substrate is placed on a jig through a loading device. The jig is provided with a number of through holes, which correspond one by one to the LED brackets to be formed later.

[0008] In the second step, the substrate on the jig is obtained by the transfer device and transported to the lower mold base of the injection molding device. During this process, it passes through the detection camera 3, which is used to detect the position of the substrate so that the transfer device can adjust the angle of the substrate so that it can be placed in the mold core of the lower mold base;

[0009] The injection molding device is a turntable vertical injection molding mechanism, and at least two lower mold seats are arranged on the turntable device. A second detection camera is arranged at the position of one of the lower mold seats on the outer side, and the position of the substrate on the lower mold seat is secondary detected by the second detection camera;

[0010] The third step is to perform an injection molding operation on the substrate through an injection molding device, to form a plurality of cup bodies on the substrate, and to form a plurality of LED brackets in combination with the substrate, and to detect the upper end surface of the LED bracket through the second detection camera to detect the LED bracket with poor injection molding, and to send the result to the controller;

[0011] In the fourth step, the finished product on the lower mold base is obtained through the transfer device and transferred to the fixture. During this process, it will pass through the detection camera 3, which will detect the lower end surface of the LED bracket to detect the LED bracket with poor injection molding, and send the result to the controller;

[0012] In the fifth step, the conveying device drives the fixture to move from the upper material position to the lower material position. During this process, it passes through the multi-axis stamping device. According to the coordinates obtained by the detection camera two and the detection camera three, the multi-axis stamping device moves to the position of the defective LED bracket in turn, and then punches it out. The defective products will fall out from the through hole of the fixture, and finally the product will be taken out through the unloading device.

[0013] A further technical solution is that the inspection camera 2 and the inspection camera 3 each have two inspection systems, which are respectively used to detect the position status of the substrate and the quality of the LED bracket, and the movement signals of the transfer device in the jig for picking up and placing materials, or the movement signals of the transfer device in the lower mold base for placing and placing materials are used as switching switches.

[0014] According to a further technical solution, the second detection camera and the third detection camera are both provided with multiple ones, which are used to detect the position status of the substrate and the quality status of the LED bracket respectively.

[0015] According to a further technical solution, the unloading device is provided with a finished product storage bin and a storage bin for materials to be processed.

[0016] A further technical solution also includes a cleaning device. In the third step, after the injection molding is completed, the finished product is taken out by the transfer device, and then the mold core of the lower mold base is cleaned by the cleaning device.

[0017] A further technical solution is that the cleaning device includes a multi-axis moving component, the moving end of the multi-axis moving component is equipped with a blowing component and a brush component, and a detection camera 1 is fixedly provided on the frame of the multi-axis moving component for detecting cleanliness, an extension mounting member 2 is installed on the multi-axis moving component, and a detection camera 2 is installed on the extension mounting member 2, and the detection camera 2 is located above the brush assembly.

[0018] According to a further technical solution, the brush assembly includes a fixing seat, on which a plurality of drive motors are disposed. The drive motors are longitudinally mounted and extend out of the fixing seat, and a brush head is mounted at an output end of the drive motor.

[0019] A further technical solution is that the blowing assembly includes two extended mounting parts, which are respectively arranged on both sides of the fixed base for installing the inflation tube, and the side wall of the inflation tube is provided with a plurality of air holes, and the inflation tube is located on the front side of the brush assembly, and the air holes are inclined toward the lower mold base.

[0020] According to a further technical solution, a bar hole for adjustment is provided on the extension mounting piece, and a bolt passes through the bar hole to be connected to the fixing seat.

[0021] According to a further technical solution, the detection camera 1 is arranged on the rear side of the brush assembly, and fill lights are arranged on both sides of the detection camera 1.

[0022] Beneficial effects of the present invention:

[0023] The present invention can realize the whole process of production, detection and subsequent processing through the mutual cooperation of various devices, especially for the processing of defective products, the quality of LED brackets is controlled by detection camera 2 and detection camera 1, and then the defective LED bracket is removed by a multi-axis stamping device, replacing the traditional method of removal by manual operation, and avoiding interference with adjacent good LED brackets, which greatly improves work efficiency and reduces product defects.

[0024] Other features and advantages of the present invention will be described in detail in the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 : The three-dimensional structure of the present invention Figure 1 .

[0026] Figure 2 : The present invention Figure 1 Partial structure diagram.

[0027] Figure 3 : The three-dimensional structure of the present invention Figure 2 .

[0028] Figure 4 : The present invention Figure 2 Partial structure diagram.

[0029] Figure 5 : The present invention Figure 4 Enlarged view of part A.

[0030] Figure 6 : Cleaning device structure diagram of the present invention.

[0031] Figure markings: 1-injection molding device, 11-turntable device, 12-lower mold base, 13-upper mold base, 21-conveyor device, 22-jig, 221-through hole, 3-transfer device, 4-detection camera three, 51-loading device, 52-finished product storage bin, 53-pending storage bin, 54-unloading device, 6-cleaning device, 61-multi-axis moving component, 62-blowing component, 621-extension mounting part one, 622-inflation tube, 623-air hole, 624-strip hole, 63-brush assembly, 631-fixed seat, 632-drive motor, 633-brush head, 641-detection camera one, 642-fill light, 651-extension mounting part two, 652-detection camera two, 7-multi-axis stamping device, 71-punch. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0033] Please refer to Figure 1-6 ;

[0034] The method of the present invention can realize the injection molding production, detection and subsequent processing of the LED bracket, can realize process-based production, integrate several steps together to realize the full-process production method, reduce personnel interference, and improve production efficiency. Specifically, it includes a horizontally arranged conveying device 21 and an injection molding device 1, a transfer device 3 and a detection camera 4 are arranged between the two, a fixture 22 is arranged on the conveying device 21, and the two ends of the conveying device 21 form an upper material position and a lower material position, and a multi-axis stamping device 7 is arranged between the upper material position and the lower material position. The specific steps are as follows:

[0035] In the first step, the substrate is placed on the jig 22 through the loading device 51. The jig 22 is provided with a plurality of through holes 221, which correspond to the subsequently formed LED brackets one by one. The formed LED brackets are approximately between 3mm and 5mm in length and width. The shape can refer to the attached document "CN116598229B, a method for detecting and labeling a product lack of material" in the public technical document. Figure 1 As shown, of course, this is only one of the shapes of the LED bracket, which is used as an example for explanation and should not be used as a limitation of the protection scope. The LED bracket is composed of a cup body and pins, and the pins are fixedly connected to the substrate. A number of limit blocks are provided on the fixture 22 to limit the position of the substrate to ensure that the formed LED bracket can correspond to the through hole 221. The hole of the through hole 221 is slightly larger than the area of ​​the cup body;

[0036] In the second step, the substrate on the jig 22 is obtained by the transfer device 3 and transported to the lower mold base 12 of the injection molding device 1. During this process, it passes through the detection camera 3 4, which is used to detect the position of the substrate, so that the transfer device 3 adjusts the angle of the substrate so that it can be placed in the mold core of the lower mold base 12; in this embodiment, the transfer device 3 can be a combination of a multi-axis manipulator and a suction cup, or a combination of a moving component, a rotary cylinder and a suction cup, etc.;

[0037] The injection molding device 1 is a turntable vertical injection molding mechanism, including a turntable device 11, on which at least two lower mold bases 12 are arranged, and an upper mold base 13 is arranged corresponding to the position of one of the lower mold bases 12, and the upper mold base 13 should be arranged on a lifting frame, and the upper and lower mold bases 12 are in a vertical injection molding system, which belongs to the prior art and will not be described in detail here. A detection camera 2 652 is arranged for the position of one of the lower mold bases 12 on the outer side, and the position of the substrate on the lower mold base 12 is secondary detected by the detection camera 2 652;

[0038] In the third step, the substrate is injection molded by the injection molding device 1 to form a plurality of cup bodies on the substrate, and a plurality of LED brackets are formed by combining the substrate. The upper end surface of the LED bracket is inspected by the detection camera 2 652 to detect the LED bracket with poor injection molding, and the coordinates of the detected defective products are sent to the controller;

[0039] In the fourth step, the finished product on the lower mold base 12 is obtained by the transfer device 3 and transferred to the fixture 22. During this process, it will pass over the detection camera 3 4 again. The detection camera 3 4 detects the lower end surface of the LED bracket to detect the LED bracket with poor injection molding, and sends the result to the controller;

[0040] In the fifth step, the conveying device 21 drives the fixture 22 to move from the upper material position to the lower material position. In this process, it passes through the multi-axis punching device 7. In this embodiment, the multi-axis punching device 7 includes a multi-axis moving component and a punching component arranged at the moving end of the multi-axis moving component. The punching component can be a combination of a cylinder and a punch 71. The size of the punch 71 is adapted to the through hole 221 on the fixture 22. The function of the multi-axis moving device is to find the plane coordinates of the LED bracket. The Z-axis direction can make the stamping component as close to the LED bracket as possible before punching it out. According to the coordinates obtained by the detection camera 2 652 and the detection camera 3 4, the multi-axis stamping device 7 moves to the position of the defective LED bracket in turn, and then flushes it out. The defective products will fall out from the through hole 221 of the fixture 22, and finally the product is taken out by the unloading device 54. The unloading device 54 is correspondingly provided with a finished product storage bin 52 and a storage bin 53 to be processed. The finished product storage bin 52 is used to collect finished products without any problems, and the storage bin 53 to be processed is used to collect finished products that have been flushed out.

[0041] Preferably, the device can also be used in combination with the labeling equipment in the public technical document "CN116598229B, a product shortage detection labeling method". Specifically, after the defective LED bracket is flushed away, a material will be formed on the substrate. At this time, the labeling equipment can be used to stick a card on the shortage position as a cover, so that the detection camera in the subsequent processing steps can recognize that this is the shortage position.

[0042] The present invention can realize the whole process of production, detection and subsequent processing through the mutual cooperation of various devices, especially for the processing of defective products, the quality of the LED bracket is controlled by the detection camera 2 652 and the detection camera 1 641, and then the defective LED bracket is removed by the multi-axis stamping device 7, replacing the traditional method of removal by manual operation, and avoiding interference with adjacent good LED brackets, which greatly improves work efficiency and reduces product defects.

[0043] In this embodiment, the inspection camera 2 652 and the inspection camera 3 4 each have two inspection systems, which are respectively used to detect the position status of the substrate and the quality of the LED bracket. The movement signal of the transfer device 3 for picking up and releasing the material in the fixture 22, or the movement signal of the transfer device 3 for releasing and picking up the material in the lower mold base 12 is used as a switching switch; first, the walking paths of the substrate and the finished product overlap, so the detection position and the detection quality use a shared camera, which can reduce the use of cameras, save costs, and is more flexible in camera layout.

[0044] In another embodiment, the second inspection camera 652 and the third inspection camera 4 are both provided in plurality, for respectively inspecting the position status of the substrate and for inspecting the quality of the LED bracket.

[0045] The present invention is based on the third step and also includes a cleaning device 6. After the injection molding is completed, the finished product is taken out by the transfer device 3, and then the mold core of the lower mold base 12 is cleaned by the cleaning device 6 to prevent dust and materials adhering to the mold core from affecting the injection molding quality of the next finished product.

[0046] The present invention is further described with reference to the cleaning device 6. Figure 4-6, specifically including a multi-axis moving component 61, the moving end of the multi-axis moving component 61 is equipped with a blowing component 62 and a brush component 63, when a piece of LED substrate is completed by injection molding, it is rotated out together with the lower mold base 12 through the turntable device 11, so that another lower mold base 12 and the upper mold base 13 are molded again for injection molding, at this time, the LED bracket substrate completed by the lower mold base 12 is taken out by the material taking device in the production line, and then, driven by the multi-axis moving component 61, the blowing component 62 and the brush component 63 pass through the lower mold core in turn, and the high-speed airflow output to the lower mold core by the blowing component 62 blows away the dust on the surface, and then the brush component 63 and The multi-axis moving component 61 contacts the lower mold core to clean out the dust adhering to it. Preferably, the multi-axis moving component 61 drives the blowing component 62 and the brush component 63 to reset, and the lower mold core can be cleaned for the second time by passing through it again, which can improve the cleaning effect. In addition, a detection camera 641 is fixedly provided on the frame of the multi-axis moving component 61. After the cleaning operation is completed, the cleaning position is checked by the detection camera 641 to detect the cleanliness. If the detection camera 641 shows that there are still impurities in the lower mold core, the above-mentioned cleaning process is repeated. If there is no obvious improvement after multiple cleaning processes, an alarm is sent to the control system to notify the staff to handle it.

[0047] Furthermore, the second detection camera 652 is installed on the second extension mounting member 651, and the second extension mounting member 651 is arranged on the multi-axis moving component 61, which can save installation space.

[0048] The present invention can effectively clean the mold core in the lower mold base 12 through the blowing component 62 and the brush component 63, and can also perform secondary cleaning during the resetting process to ensure the cleaning effect. Finally, the cleaning position is observed through the detection camera 641 to ensure thorough cleaning and avoid the presence of impurities during injection molding that affect the effect of the finished product.

[0049] In addition, since the detection camera 1 641 is located at the rear side and the location is relatively dark, fill lights 642 are provided on both sides of the detection camera 1 641 .

[0050] One of the embodiments of the brush assembly 63 of the present invention specifically includes a fixed base 631, on which a plurality of drive motors 632 are provided. The drive motors 632 are longitudinally installed and extend out of the fixed base 631, and a brush head 633 is installed at the output end of the drive motor 632. It should be noted that the multi-axis moving assembly 61 at least includes an X-axis mold base and a Z-axis module, and the Z module drives the brush assembly 63 to move up and down so that the brush contacts it, and then the drive motor 632 drives the brush to rotate to sweep away the dust.

[0051] One of the embodiments of the blowing component 62 of the present invention specifically includes two extended mounting members 621. The extended mounting member 621 can be a bar or a flat sheet, as long as it can achieve support. The two extended mounting members 621 are respectively arranged on both sides of the fixed seat 631, and are used to install the inflation tube 622. The side wall of the inflation tube 622 is provided with a plurality of air holes 623, and the inflation tube 622 is located on the front side of the brush assembly 63. The air holes 623 are inclined toward the lower mold base 12. Air nozzles are provided on both sides of the inflation tube 622 for connecting with the air pipe. The air pipe method has a simple structure, and the design of the air holes 623 has a larger air flow range, which is more conducive to cleaning.

[0052] Preferably, the extension mounting member 621 is provided with a bar hole 624 for adjustment, and the bolt passes through the bar hole 624 to connect with the fixing seat 631. By setting the bar hole 624, not only the extension distance of the extension mounting member 621, that is, the distance between the air pipe and the brush can be adjusted, but also the rotation angle with the bolt as the center can be adjusted, that is, the direction angle of the air hole 623 can be adjusted. Finally, the extension mounting member 621 can be squeezed and fixed by locking it with the fixing seat 631 through the bolt. Such a design facilitates installation and debugging and adjustment according to different products.

[0053] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

[0054] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A method for detecting and processing injection molding production of an LED bracket, comprising a conveying device (21) and an injection molding device (1) arranged transversely, a transfer device (3) and a detection camera (4) arranged between the two, a jig (22) arranged on the conveying device (21), and an upper material position and a lower material position formed at both ends of the conveying device (21), a multi-axis punching device (7) arranged between the upper material position and the lower material position, characterized in that: In the first step, the substrate is placed on a jig (22) by means of a loading device (51), and a plurality of through holes (221) are provided on the jig (22), and the through holes (221) correspond one by one to the LED brackets to be subsequently formed; In the second step, the substrate on the jig (22) is obtained by the transfer device (3) and transported to the lower mold base (12) of the injection molding device (1). During this process, it passes through the detection camera three (4), which is used to detect the position of the substrate so that the transfer device (3) can adjust the angle of the substrate so that it can be placed in the mold core of the lower mold base (12); The injection molding device (1) is a turntable vertical injection molding mechanism, and at least two lower mold bases (12) are arranged on the turntable device (11), and a second detection camera (652) is arranged at the position of one of the lower mold bases (12) on the outer side, and the second detection camera (652) is used to perform a secondary detection on the position of the substrate on the lower mold base (12); In the third step, the substrate is injection molded by the injection molding device (1), a plurality of cup bodies are formed on the substrate, and a plurality of LED brackets are formed by combining the substrate, and the upper end surface of the LED bracket is inspected by the second inspection camera (652) to detect LED brackets with poor injection molding, and the results are sent to the controller; In the fourth step, the finished product on the lower mold base (12) is obtained by the transfer device (3) and transferred to the fixture (22). During this process, it will pass through the detection camera three (4). The detection camera three (4) detects the lower end surface of the LED bracket to detect LED brackets with poor injection molding, and sends the results to the controller; In the fifth step, the conveying device (21) drives the jig (22) to move from the upper material position to the lower material position. During this process, it passes through the multi-axis punching device (7). According to the coordinates obtained by the detection camera 2 (652) and the detection camera 3 (4), the multi-axis punching device (7) moves to the position of the defective LED bracket in sequence, and then punches it out. The defective product will fall out from the through hole (221) of the jig (22), and finally the product is taken out through the unloading device (54).

2. According to claim 1, a method for detecting and processing an LED bracket injection molding production is characterized in that: The detection camera 2 (652) and the detection camera 3 (4) both have two detection systems, which are used to detect the position status of the substrate and the quality of the LED bracket respectively, and the movement signals of the transfer device (3) in the jig (22) for picking up and discharging materials, or the movement signals of the transfer device (3) in the lower mold base (12) for discharging and picking up materials are used as switching switches.

3. The LED bracket injection molding production detection processing method according to claim 1, characterized in that: The detection camera 2 (652) and the detection camera 3 (4) are both provided with multiple cameras, which are used to detect the position status of the substrate and the quality status of the LED bracket respectively.

4. The LED bracket injection molding production detection processing method according to claim 1, characterized in that: The unloading device (54) is provided with a finished product storage bin (52) and a storage bin for to-be-processed materials (53) correspondingly.

5. The LED bracket injection molding production detection processing method according to claim 1, characterized in that: It also includes a cleaning device (6). In the third step, after the injection molding is completed, the finished product is taken out through the transfer device (3), and then the mold core of the lower mold base (12) is cleaned through the cleaning device (6).

6. The LED bracket injection molding production detection processing method according to claim 5, characterized in that: The cleaning device (6) comprises a multi-axis moving component (61), the moving end of the multi-axis moving component (61) is equipped with a blowing component (62) and a brush component (63), and a detection camera (641) is fixedly arranged on the frame of the multi-axis moving component (61) for detecting cleanliness, an extension mounting member (651) is installed on the multi-axis moving component (61), and a detection camera (652) is installed on the extension mounting member (651), and the detection camera (652) is located above the brush component (63).

7. A method for detecting and processing injection molding of LED brackets according to claim 6, characterized in that: The brush assembly (63) comprises a fixing seat (631), on which a plurality of drive motors (632) are arranged. The drive motors (632) are longitudinally installed and extend out of the fixing seat (631), and a brush head (633) is installed at the output end of the drive motor (632).

8. The LED bracket injection molding production detection processing method according to claim 6, characterized in that: The blowing assembly (62) comprises two extending mounting members (621), which are respectively arranged on both sides of the fixing seat (631) and used for mounting an inflation tube (622). The inflation tube (622) has a plurality of air holes (623) on its side wall, and the inflation tube (622) is located at the front side of the brush assembly (63), and the air holes (623) are inclined toward the lower mold seat (12).

9. The LED bracket injection molding production detection processing method according to claim 6, characterized in that: The first extension mounting member (621) is provided with a bar hole (624) for adjustment, and a bolt passes through the bar hole (624) and is connected to the fixing seat (631).

10. The LED bracket injection molding production detection processing method according to claim 6, characterized in that: The detection camera 1 (641) is arranged at the rear side of the brush assembly (63), and fill lights (642) are arranged on both sides of the detection camera 1 (641).

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