A manufacturing device for a direct current high voltage bus filter

Abstract

The application belongs to the technical field of integrated circuit manufacturing process, and discloses a manufacturing device of a direct-current high-voltage bus filter, a riveting module is used for riveting a first set of inlaid nuts to nut through holes of a connecting copper bar to form a riveting connecting copper bar, a first image of the riveting connecting copper bar is collected, whether the riveting connecting copper bar is qualified is judged according to the first image, an injection molding module is used for injection molding a second set of inlaid nuts with the qualified riveting connecting copper bar to obtain a connecting copper bar injection molding piece, a second image of the connecting copper bar injection molding piece is collected, and whether the connecting copper bar injection molding piece is qualified is judged according to the second image. The application can realize online quality inspection of the direct-current high-voltage bus filter, and improve the yield rate and production efficiency.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of integrated circuit manufacturing process, and in particular to a manufacturing device of a direct current high voltage bus filter. BACKGROUND

[0002] In the context of rapid development of new energy vehicles, there are great design challenges for the electrical connection of the filter in the motor controller system under the operation of high-power vehicle power. The filter is a key device in the electric drive system, which filters, removes low-frequency noise, and optimizes EMC electromagnetic parameters. From the compact space of the electric drive controller, the structure of the filter itself needs to connect capacitor devices, magnetic rings, positive and negative high-voltage rows, and other functional components, resulting in increased complexity of the filter.

[0003] However, in the existing filter production system, online detection of the production of the product cannot be realized in the manufacturing process, resulting in high defective products, low production efficiency, and a large amount of raw material waste. SUMMARY

[0004] The present application provides a manufacturing device of a direct current high voltage bus filter, which can realize online quality inspection of the direct current high voltage bus filter, and improve the yield and production efficiency of the direct current high voltage bus filter.

[0005] The present application provides a manufacturing device of a direct current high voltage bus filter, which includes a press-in module, an injection molding module, a first capacitor installation module, a magnetic ring installation module, and a positive and negative copper bar welding module arranged in sequence on a first conveying line, and a second capacitor welding module arranged on a second conveying line.

[0006] The press-in module is used for press-in connecting copper bars by press-in connecting the first group of inlaid nuts to the nut through holes of the connecting copper bars; a first image of the press-in connecting copper bars is collected; whether the press-in connecting copper bars are qualified is judged according to the first image; and the unqualified press-in connecting copper bars are rejected from the first conveying line. The injection molding module is used for injection molding the second group of inlaid nuts and the qualified press-in connecting copper bars to obtain connecting copper bar injection molding parts; a second image of the connecting copper bar injection molding parts is collected; whether the connecting copper bar injection molding parts are qualified is judged according to the second image; and the unqualified connecting copper bar injection molding parts are rejected from the first conveying line. The first capacitor installation module is used for installing X capacitor and X2 capacitor into the installation grooves of the qualified connecting copper bar injection molding parts. The second capacitor welding module is used for welding Y capacitor and Y2 capacitor with the grounding copper bar, and installing them into the installation grooves of the connecting copper bar injection molding parts on the first conveying line. The magnetic ring installation module is used for installing the magnetic ring into the magnetic ring fixing groove of the connecting copper bar injection molding parts. The positive and negative copper bar welding module welds X capacitor, X2 capacitor, Y capacitor, and Y2 capacitor with the positive and negative copper bars to obtain the direct current high voltage bus filter.

[0007] Further, the first set of mosaic nuts includes M6 mosaic nuts and M5 mosaic nuts.

[0008] Further, the second set of mosaic nuts includes 2 M8 mosaic nuts, 1 M6 mosaic nut and 3 M5 mosaic nuts.

[0009] Further, the press-in module is configured to input the first image into an image recognition model to obtain a first gap between the first set of mosaic nuts and the press-in connected copper bars and a scratch depth of the press-in connected copper bars; determine whether the first gap is greater than a preset gap threshold or whether the scratch depth is greater than a preset depth threshold; if yes, the press-in connected copper bars are unqualified.

[0010] Further, the injection molding module is configured to input the second image into the image recognition model to obtain a center offset distance of the second set of mosaic nuts and a crack, a missing material position and a missing material area on the injection molded part of the connected copper bars; determine whether the injection molded part of the connected copper bars has the crack or whether the missing material position is within a preset range of the second set of mosaic nuts; if yes, the injection molded part of the connected copper bars is unqualified; if not, determine whether the center offset distance is greater than a preset offset threshold or whether the missing material area is greater than a preset missing material threshold; if yes, the injection molded part of the connected copper bars is unqualified.

[0011] Further, the second capacitor welding module is configured to bend one pin of the Y capacitor and the Y2 capacitor; weld the bent pins of the Y capacitor and the Y2 capacitor with the ground copper bars; place the ground copper bars into a positioning groove of the injection molded part of the connected copper bars; and load the Y capacitor and the Y2 capacitor into mounting grooves of the injection molded part of the connected copper bars.

[0012] Further, the device further comprises a glue filling and drying module arranged on the first conveying line;

[0013] The glue filling and drying module is arranged before the magnetic ring mounting module; the glue filling and drying module is configured to fill glue and dry the mounting grooves of the X capacitor and the X2 capacitor and the mounting grooves of the Y capacitor and the Y2 capacitor.

[0014] Further, the positive and negative copper bar welding module connects the positive and negative copper bars with the injection molded part of the connected copper bars by screws; and welds the pins of the X capacitor and the X2 capacitor and the unbent pins of the Y capacitor and the Y2 capacitor with the positive and negative copper bars.

[0015] Further, the preset gap threshold is 1 millimeter and the preset depth threshold is 3 microns.

[0016] Further, the preset offset threshold is 0.2 millimeters and the preset missing material threshold is 0.2 square millimeters.

[0017] In summary, compared with the prior art, the technical scheme provided by the embodiments of the present application has at least the following beneficial effects:

[0018] The manufacturing device of the DC high-voltage bus filter provided by the embodiment of the application can detect the quality of the semi-finished product in the manufacturing process through the image acquisition and identification functions of the riveting module and the injection molding module, so that the unqualified semi-finished product can be screened out in time, the qualified product can be prevented from wasting the materials in the subsequent process, the efficient production of the DC high-voltage bus filter is realized, and the yield and the production efficiency are improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 A structural diagram of a manufacturing device of a DC high-voltage bus filter is provided for an exemplary embodiment of the application.

[0020] REFERENCE SIGNS:

[0021] 1, connecting copper bar material box; 2, connecting copper bar feeding module; 3, connecting copper bar jig; 4, first conveying line; 5, inlayed nut material box; 6, inlayed nut feeding module; 7, riveting module; 8, injection molding feeding unit; 9, injection molding machine; 10, X capacitor material box; 11, X capacitor feeding unit; 12, X2 capacitor material box; 13, X2 capacitor feeding unit; 14, grounding copper bar material box; 15, grounding copper bar feeding module; 16, second conveying line; 17, Y capacitor material box; 18, Y capacitor feeding unit; 19, Y capacitor pin bending unit; 20, Y capacitor welding unit; 21, Y2 capacitor material box; 22, Y2 capacitor feeding unit; 23, Y2 capacitor pin bending unit; 24, Y2 capacitor welding unit; 25, grounding copper bar mounting unit; 26, glue filling machine; 27, drying machine; 28, glue injection machine; 29, magnetic ring material box; 30, magnetic ring feeding unit; 31, magnetic ring glue filling unit; 32, positive copper bar material box; 33, positive copper bar mounting unit; 34, negative copper bar material box; 35, negative copper bar mounting unit; 36, screw material box; 37, screw feeding unit; 38, positive and negative copper bar welding unit; 39, screw dismounting machine; 40, performance detection module; 41, packaging and discharging module. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the application will be clearly and completely described below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments of the application.

[0023] Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the application.

[0024] Please refer to Figure 1The embodiment of the application provides a manufacturing device of a DC high-voltage bus filter, which comprises a press riveting module 7, an injection molding module, a first capacitor installation module, a magnetic ring installation module and a positive and negative copper bar welding module arranged on a first conveying line 4 in sequence, and a second capacitor welding module arranged on a second conveying line 16.

[0025] The press riveting module 7 is used for riveting the first set of inlaid nuts to the nut through holes of the connecting copper bar to form a riveting connecting copper bar, collecting a first image of the riveting connecting copper bar, judging whether the riveting connecting copper bar is qualified according to the first image, and removing the unqualified riveting connecting copper bar from the first conveying line 4 and sending it into a recycling box.

[0026] The first set of inlaid nuts comprises M6 inlaid nuts and M5 inlaid nuts. The first conveying line 4 is provided with a connecting copper bar bin 1 and a connecting copper bar feeding module 2, the connecting copper bar feeding module 2 feeds the connecting copper bars in the connecting copper bar bin 1 to a connecting copper bar jig 3, and the connecting copper bar jig 3 is conveyed to the position of the press riveting module 7 by the first conveying line 4. The first conveying line 4 is also provided with an inlaid nut bin 5 and an inlaid nut feeding module 6, the inlaid nut feeding module 6 clamps the M6 inlaid nuts and the M5 inlaid nuts to the nut through holes of the connecting copper bar, the connecting copper bar jig 3 is driven by the first conveying line 4 to continue to move to the position of the press riveting module 7, the press riveting cylinder is fed, the riveting of the M6 inlaid nuts and the M5 inlaid nuts is completed, and then a first image is collected through the image sensor in the press riveting module 7; wherein the connecting copper bar is red copper T2, nickel bottom and surface mist tin.

[0027] The injection molding module is used for injection molding the second set of inlaid nuts and the qualified riveting connecting copper bar to obtain a connecting copper bar injection molding piece, collecting a second image of the connecting copper bar injection molding piece, judging whether the connecting copper bar injection molding piece is qualified according to the second image, and removing the unqualified connecting copper bar injection molding piece from the first conveying line and sending it into a recycling box.

[0028] The second set of inlaid nuts comprises two M8 inlaid nuts, one M6 inlaid nut and three M5 inlaid nuts.

[0029] Specifically, the injection molding module comprises an image sensor, an injection molding feeding unit 8 and an injection molding machine 9, the injection molding feeding unit 8 clamps the qualified riveting connecting copper bar into an injection molding die, then clamps two M8 inlaid nuts, one M6 inlaid nut and three M5 inlaid nuts into the injection molding die, starts the injection molding machine 9 to injection mold the inlaid nuts and the riveting connecting copper bar together, and then collects a second image through the image sensor. The injection molding process comprises the following steps: loading the injection molding die into the corresponding position in the middle of the injection molding machine 9, locking the code module screw, connecting the water of the mold, setting the injection molding parameters, confirming that there is no missing part, and starting the injection molding. The injection molding parameters can be seen in the following table:

[0030]

[0031] The first capacitor mounting module is used for mounting the X capacitor and the X2 capacitor into the mounting groove of the qualified connection copper bar injection molded part.

[0032] The mounting groove where the X capacitor and the X2 capacitor are located and the mounting groove where the Y capacitor and the Y2 capacitor are located are not the same. The first capacitor mounting module comprises an X capacitor magazine 10, an X capacitor feeding unit 11, an X2 capacitor magazine 12 and an X2 capacitor feeding unit 13; the X capacitor feeding unit 11 mounts the X capacitor in the X capacitor magazine 10 into the mounting groove of the connection copper bar injection molded part, and the X2 capacitor feeding unit 13 mounts the X2 capacitor in the X2 capacitor magazine 12 into the mounting groove of the connection copper bar injection molded part.

[0033] The second capacitor welding module is used for welding the Y capacitor and the Y2 capacitor with the ground copper bar and mounting them into the mounting groove of the connection copper bar injection molded part on the first conveying line. Specifically, the second capacitor welding module is used for bending one pin of the Y capacitor and the Y2 capacitor; welding the bent pin of the Y capacitor and the Y2 capacitor with the ground copper bar; placing the ground copper bar into the positioning groove of the connection copper bar injection molded part; and mounting the Y capacitor and the Y2 capacitor into the mounting groove of the connection copper bar injection molded part.

[0034] The second conveying line 16 is also provided with a ground copper bar magazine 14 and a ground copper bar feeding module 15, and the ground copper bar feeding module 15 places the ground copper bar in the ground copper bar magazine 14 onto the second conveying line 16.

[0035] The second capacitor welding module comprises a Y capacitor magazine 17, a Y capacitor feeding unit 18, a Y capacitor pin bending unit 19, a Y capacitor welding unit 20, a Y2 capacitor magazine 21, a Y2 capacitor feeding unit 22, a Y2 capacitor pin bending unit 23, a Y2 capacitor welding unit 24 and a ground copper bar mounting unit 25.

[0036] The first conveying line 4 conveys the connecting copper bar injection molded part to a grounding copper bar assembly station; the Y capacitor loading unit 18 and the Y2 capacitor loading unit load Y capacitors and Y2 capacitors respectively, and the Y capacitors and Y2 capacitors are placed on the capacitor jig and conveyed by the second conveying line for loading, and in the loading process, the Y capacitor pin bending unit 19 and the Y2 capacitor pin bending unit 23 are passed through respectively, and one capacitor pin of the Y capacitor and the Y2 capacitor is bent respectively, and the bending height is adapted to the height of the corresponding positioning groove of the grounding copper bar. The Y capacitor loading unit 18 clamps the two bent Y capacitors to the grounding copper bar first welding station, one pin of each Y capacitor contacts the grounding copper bar for welding; the second conveying line 16 continues to convey the welded grounding copper bar to the grounding copper bar second welding station, the Y2 capacitor loading unit 22 clamps the two bent Y2 capacitors to the grounding copper bar second welding station, one pin of each Y2 capacitor contacts the grounding copper bar for welding; the grounding copper bar mounting unit 25 clamps the grounding copper bar with welded capacitors on the second conveying line to the grounding copper bar assembly station, and places the grounding copper bar into the positioning groove of the connecting copper bar injection molded part, and loads the Y capacitors and Y2 capacitors into the mounting groove of the connecting copper bar injection molded part.

[0037] Further, the device can further include a glue filling and drying module provided on the first conveying line.

[0038] The glue filling and drying module is provided before the magnetic ring mounting module; the glue filling and drying module is used for filling and drying glue in the mounting grooves of the X capacitors and X2 capacitors, and the mounting grooves of the Y capacitors and Y2 capacitors, specifically, the glue filling and drying module includes a glue filling machine 26 and a drying machine 27; the glue filling machine 26 fills insulating glue into the gap between the X capacitors, X2 capacitors, Y2 capacitors and Y2 capacitors and the mounting groove of the connecting copper bar injection molded part, so as to fix the capacitors in the mounting groove.

[0039] Then, the connecting copper bar injection molded part is conveyed to a drying station, and the drying machine 27 dries the capacitor fixing glue. The glue filling operation here can fill and fix the capacitors on the filter, ensuring the stability of the capacitors and indirectly improving the service life of the filter.

[0040] The magnetic ring mounting module is used for mounting the magnetic ring into the magnetic ring fixing groove of the connecting copper bar injection molded part.

[0041] Specifically, the first conveying line 4 conveys the connecting copper bar injection molded part to the magnetic ring assembly station, and the magnetic ring mounting module here includes a glue filling machine 28, a magnetic ring material box 29, a magnetic ring loading unit 30 and a magnetic ring glue filling unit 31.

[0042] The glue injection machine 28 injects 2-3mm high fixing glue at the bottom of the magnetic ring fixing groove of the connecting copper bar injection molded part, the magnetic ring feeding unit 30 places the cleaned magnetic ring in the magnetic ring material box 29 into the magnetic ring fixing groove, and presses the magnetic ring to the bottom of the groove to make it tightly fused with the fixing glue; the first conveying line 4 continues to convey the connecting copper bar injection molded part to the magnetic ring glue filling station, and the magnetic ring glue filling unit 31 injects glue at multiple points between the magnetic ring and the fixing groove, and fills glue until the glue and the top surface of the magnetic ring are basically level.

[0043] The positive and negative copper bar welding module welds the X capacitor, the X2 capacitor, the Y capacitor and the Y2 capacitor with the positive and negative copper bars to obtain the direct current high-voltage bus filter. Specifically, the positive and negative copper bar welding module connects the positive and negative copper bars with the connecting copper bar injection molded part by screws; the pins of the X capacitor and the X2 capacitor and the unbent pins of the Y capacitor and the Y2 capacitor are welded with the positive and negative copper bars to obtain the direct current high-voltage bus filter. The positive and negative copper bar welding module includes a positive copper bar material box 32, a positive copper bar mounting unit 33, a negative copper bar material box 34, a negative copper bar mounting unit 35, a screw material box 36, a screw feeding unit 37, a positive and negative copper bar welding unit 38, and a screw dismounting machine 39. The first conveying line 4 conveys the connecting copper bar injection molded part to the positive and negative copper bar assembly station, the positive copper bar mounting unit 33 and the negative copper bar mounting unit 35 respectively clamp the positive and negative copper bars, and respectively place the positive and negative copper bars on the connecting copper bar injection molded part, the screw feeding unit 37 locks M6 screws and M8 screws on the positive copper bar, and the positive copper bar is in tight contact with the connecting copper bar through the M6 screws, and the screw feeding unit 37 locks M5 and M8 screws on the negative copper bar.

[0044] The positive and negative copper bar welding unit 38 sequentially welds the pins of the X capacitor and the X2 capacitor with the positive and negative copper bars, and welds the other pins of the Y capacitor and the Y2 capacitor with the positive and negative copper bars to form the product direct current high-voltage bus filter; then two M8 screws for fixing the positive and negative copper bars for auxiliary welding are removed by the screw dismounting machine 39; thereby the step of manually dismounting the screws can be omitted, and the automation capability is improved. Herein, the application fixes the positive and negative copper bars by screws and then welds the capacitors, which ensures the accuracy of welding and reduces the situation that the product is unqualified due to errors in the process of welding capacitors, thereby indirectly improving the yield.

[0045] The process parameters of the positive and negative copper bar welding unit 38 when welding the capacitor pins are shown in the following table:

[0046]

[0047] Further, after obtaining the product direct current high-voltage bus filter, the direct current high-voltage bus filter needs to be sent to the performance detection module 40 through the first conveying line 4, and the performance detection module 40 is used for detecting various electrical performance of the filter, such as cold-state insulation resistance detection, voltage resistance test, inter-electrode capacitance test, inductance test, etc.

[0048] Wherein, the inductance test includes selecting LS-Q test item on the digital bridge instrument, test condition ①: 10KHZ 0.3V result≥13μH; test condition ②: 100KHZ 0.3V result≥5μH, total 2 times.

[0049] The capacitance test includes selecting CS-Q test item on the digital bridge instrument, test condition: test voltage 1V, frequency 1KHZ, total 3 times; ① test positive copper bar and negative copper bar, test result 1170μH±10%; ② test positive copper bar and ground copper bar, test result 563μH±20%; ③ test negative copper bar and ground copper bar, test result needs to be 563μH±20%.

[0050] The torque test includes: 1) M5 insert should be able to withstand torque≥7.5N.m; 2) M6 insert should be able to withstand torque≥10N.m; 3. M8 insert should be able to withstand torque≥25N.m installation torque. Finally, the qualified products are sent to the packaging and discharging module 41.

[0051] The manufacturing device of the DC high-voltage bus filter provided in the above embodiment can detect the quality of the semi-finished product in the manufacturing process of the filter through the image acquisition and recognition function of the riveting module and the injection molding module, so that the quality detection speed is fast, the operation efficiency of the assembly line is not affected, unqualified semi-finished products can be screened out in time, and waste of materials in subsequent process flow caused by unqualified products is avoided, efficient production of the DC high-voltage bus filter is realized, and the yield and production efficiency are improved.

[0052] In some embodiments, the riveting module 7 includes a first image recognition unit for inputting a first image into an image recognition model to obtain a first gap between the inlaid nut and the riveted connection copper bar and a scratch depth of the riveted connection copper bar; it is judged whether the first gap is greater than a preset gap threshold value or the scratch depth is greater than a preset depth threshold value; if so, the riveted connection copper bar is unqualified.

[0053] Wherein, the image recognition model is a machine learning model trained by using the riveted connection copper bar image with the first gap and the scratch depth labeled, the preset gap threshold value can be 1mm, and the preset depth threshold value can be 3μm.

[0054] Specifically, after the inlaid nut and the connection copper bar are riveted, there should be no gap greater than 1mm, the deformation of the copper bar is within the range of 0.1mm, and the scratch should not scratch off the tin on the surface of the copper bar. The standard tin plating thickness of the copper bar connection is generally 3-10μm, so the scratch depth should not exceed 3μm.

[0055] The above embodiment can quickly identify and obtain various parameters on the riveting connection copper bar through image recognition, and can realize rapid quality inspection of the semi-finished product without affecting the running efficiency of the production line.

[0056] In some embodiments, the injection molding module further comprises a second image recognition unit for inputting a second image into an image recognition model to obtain a second group of center offset distances of the inlaid nuts and cracks, missing material positions and missing material areas on the injection molded part of the connecting copper bar; determining whether the injection molded part of the connecting copper bar has cracks or whether the missing material position is within the preset range of the second group of inlaid nuts; if so, the injection molded part of the connecting copper bar is unqualified; if not, determining whether the center offset distance is greater than a preset offset threshold or whether the missing material area is greater than a preset missing material threshold; if so, the injection molded part of the connecting copper bar is unqualified.

[0057] The image recognition model is a machine learning model trained using injection molded part images of the connecting copper bar that have been labeled with whether there are cracks, missing material areas and corresponding positions, and center offset distances. The preset offset threshold can be 0.2 mm, and the preset missing material threshold can be 0.2 square mm. Specifically, the injection molded part of the connecting copper bar cannot have any cracks, and there cannot be missing material within the preset range of each nut, which is a necessary condition for qualification. Secondly, after meeting the above conditions, it is necessary to ensure that the center position offset distance of each inlaid nut is within 0.2 mm, and if any one nut does not meet the requirement, it is judged as unqualified. Finally, if the missing material area outside the preset range of each nut is greater than 0.2 square mm, it is also judged as unqualified.

[0058] The above embodiment can quickly identify and obtain various parameters on the injection molded part of the connecting copper bar through image recognition, and can realize rapid quality inspection of the semi-finished product without affecting the running efficiency of the production line.

[0059] The technical features of the above embodiments can be combined in any way. To make the description concise, not all possible combinations of the technical features in the above embodiments are described, but as long as the combinations of the technical features do not exist, they should be considered as within the scope of the present application.

[0060] The above embodiments only express several implementation manners of the present application, and the description is more specific and detailed, but it should not be understood as a limitation on the scope of the patent. It should be noted that for ordinary skilled persons in the art, without departing from the concept of the present application, some modifications and improvements can be made, which are within the scope of the present application. Therefore, the protection scope of the patent of the present application should be subject to the appended claims.

Claims

1. An apparatus for manufacturing a direct current high voltage bus filter, characterized by The pressure riveting module, the injection molding module, the first capacitor installation module, the magnetic ring installation module and the positive and negative copper bar welding module are sequentially arranged on the first conveying line, and the second capacitor welding module is arranged on the second conveying line; The pressure riveting module is used for riveting a first group of inlaid nuts to the nut through holes of the connecting copper bars to form riveting connecting copper bars, and collecting a first image of the riveting connecting copper bars; whether the riveting connecting copper bars are qualified is judged according to the first image; the riveting connecting copper bars that are unqualified are removed from the first conveying line; the pressure riveting module is specifically used for inputting the first image into an image recognition model to obtain a first gap between the first group of inlaid nuts and the riveting connecting copper bars and a scratch depth of the riveting connecting copper bars; whether the first gap is greater than a preset gap threshold value or whether the scratch depth is greater than a preset depth threshold value is judged; If yes, the riveting connecting copper bars are unqualified; The injection molding module is used for injection molding a second group of inlaid nuts and the qualified riveting connecting copper bars to obtain connecting copper bar injection molded parts; and collecting a second image of the connecting copper bar injection molded parts; whether the connecting copper bar injection molded parts are qualified is judged according to the second image; the connecting copper bar injection molded parts that are unqualified are removed from the first conveying line; the injection molding module is specifically used for inputting the second image into an image recognition model to obtain a center offset distance of the second group of inlaid nuts and a crack, a missing material position and a missing material area on the connecting copper bar injection molded parts; whether the connecting copper bar injection molded parts have the crack or whether the missing material position is within a preset range of the second group of inlaid nuts is judged; if yes, the connecting copper bar injection molded parts are unqualified; if not, whether the center offset distance is greater than a preset offset threshold value or whether the missing material area is greater than a preset missing material threshold value is judged; if yes, the connecting copper bar injection molded parts are unqualified; The first capacitor installation module is used for installing X capacitors and X2 capacitors into installation grooves of the qualified connecting copper bar injection molded parts; and the second capacitor welding module is used for welding Y capacitors and Y2 capacitors with ground copper bars and loading the Y capacitors and the Y2 capacitors into the installation grooves of the connecting copper bar injection molded parts on the first conveying line; The magnetic ring installation module is used for installing magnetic rings into magnetic ring fixing grooves of the connecting copper bar injection molded parts; and the positive and negative copper bar welding module is used for welding the X capacitors, the X2 capacitors, the Y capacitors and the Y2 capacitors with positive and negative copper bars to obtain a direct-current high-voltage bus filter.

2. The apparatus for manufacturing a DC high voltage bus filter according to claim 1, characterized in that, The first group of inlaid nuts includes M6 inlaid nuts and M5 inlaid nuts.

3. The apparatus according to claim 1, wherein The second group of inlaid nuts includes two M8 inlaid nuts, one M6 inlaid nut and three M5 inlaid nuts.

4. The apparatus for manufacturing a DC high voltage bus filter according to claim 1, characterized by The second capacitor welding module is used for bending one pin of the Y capacitor and the Y2 capacitor; welding the bent pins of the Y capacitor and the Y2 capacitor with the ground copper bar; loading the ground copper bar into a positioning groove of the connecting copper bar injection molded part; and loading the Y capacitor and the Y2 capacitor into an installation groove of the connecting copper bar injection molded part.

5. The apparatus according to claim 4, wherein Also include the first conveying line on the glue filling drying module is equipped with; The glue filling drying module is equipped before the magnetic ring installation module; The glue filling drying module is used for filling glue and drying the installation groove of the X capacitor and the X2 capacitor, and the installation groove of the Y capacitor and the Y2 capacitor.

6. The apparatus according to claim 4, wherein The positive and negative copper bar welding module adopts a screw to connect the positive and negative copper bar with the connecting copper bar injection molding part; and the pins of the X capacitor, the X2 capacitor and the Y capacitor, the Y2 capacitor are not bent and are welded with the positive and negative copper bar.

7. The apparatus according to claim 1, wherein The preset gap threshold is 1 millimeter, and the preset depth threshold is 3 microns.

8. The apparatus according to claim 1, wherein The preset offset threshold is 0.2 millimeters, and the preset material shortage threshold is 0.2 square millimeters.

Images