New energy automobile control box automatic production line

By designing a fully automated production line for new energy vehicle control boxes, the problem of low production efficiency in existing technologies has been solved, achieving efficient assembly line production, and featuring modular equipment design and high flexibility.

CN119457881BActive Publication Date: 2025-10-24DONGGUAN GUANJIA ELECTRONICS EQUIP CO LTD
View PDF 2 Cites 0 Cited by

Patent Information

Application Number
CN202411297058.7
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-09-18
Publication Date
2025-10-24
Estimated Expiration
2044-09-18

AI Technical Summary

Technical Problem

The current production efficiency of new energy vehicle control box assembly is low, and it is impossible to achieve fully automated assembly line assembly.

Method used

Design an automated production line for control boxes of new energy vehicles, adopting an assembly line approach, including a conveyor line, a circulating conveyor mechanism, automatic loading and unloading stations, multiple dedicated stations, and a central control system to achieve fully automated production.

Benefits of technology

It improves production efficiency, the modular design of the equipment facilitates maintenance, the production line is highly flexible, the production process can be monitored in real time, and the connection between automated equipment and manual labor can be flexibly switched to reduce the impact of equipment failure.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN119457881B_ABST
    Figure CN119457881B_ABST
Patent Text Reader

Abstract

The application discloses a new energy automobile control box automatic production line, which comprises a conveying line, a circulating conveying mechanism, a product carrier located on the conveying line, an automatic feeding and discharging station, a box cleaning station, a waterway airtightness testing station, an automatic glue filling station, a transformer and inductor installation and locking station, a vacuum pumping station, a solidification and cooling station, a glue height and hardness detection station, an AC connector locking, high voltage cover locking and point sealant locking station, a copper bar assembly locking and DC connector locking station, a filter small plate locking and binding belt station, a magnetic ring locking, filter small plate locking and first shielding cover locking station, a second shielding cover locking and floating height detection station, a first heat-conducting gasket pasting station, a ceramic sheet glue coating and installation station and the like which are sequentially arranged on the conveying line. The whole line is configured with an RFID reading and writing / code scanning device, the use condition of each device and the production process data of products are monitored in real time, the production and assembly are carried out in a pipeline mode, the degree of automation is high, and the production efficiency is high.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The present application relates to the field of automation, in particular to a new energy automobile control box automatic production line. BACKGROUND

[0002] Automation technology is widely used in industry, agriculture, military, scientific research, transportation, commerce, medical treatment, service and family, etc. Using automation technology can not only liberate people from heavy physical labor, part of mental labor and bad, dangerous working environment, but also expand human organ function, greatly improve labor productivity and enhance human ability to recognize and transform the world. Large-scale complete equipment in automation system, also known as automation device, refers to the process of machine or device operating or controlling automatically without human intervention according to specified program or instruction.

[0003] The new energy automobile control box is one of the necessary elements of the new energy automobile. In the prior art, the new energy automobile control box is mostly completed by manual and semi-automatic equipment during assembly and production, and then detected by manual. This method cannot meet the requirement of production efficiency, so it is necessary to design a full-automatic flow line type assembly line for the assembly and testing of the new energy automobile control box. SUMMARY

[0004] Therefore, the present application aims to provide a new energy automobile control box automatic production line, which has high overall automation degree, adopts flow line type production and assembly, and has high production efficiency.

[0005] The purpose of the present application is achieved by the following technical solutions.

[0006] An automatic production line for a new energy vehicle control box includes a conveyor line and a circulating conveying mechanism, a product carrier located on the conveyor line, and an automatic loading and unloading station, a box cleaning station, a water channel airtightness test station, an automatic glue filling station, a transformer and inductor installation and locking station, a vacuum pumping station, a solidification and cooling station, a glue height and hardness testing station, an AC connector locking station, a high-voltage cover locking station, a sealant application station, a copper busbar assembly locking station, a DC connector locking station, a filter board installation station, a cable tie binding station, a magnetic ring locking station, a filter board locking station, a first shielding cover locking station, a second shielding cover locking station, Floating height detection station, first thermal pad attachment station, ceramic sheet glue application and installation station, thermal glue dispensing station, third shield cover installation and locking station, power board installation station, first power board locking station, automatic pressing strip & AC / DC harness locking station, second power board locking station, AOI inspection station, first withstand voltage test station, second withstand voltage test & grounding screw locking station, second thermal pad attachment station, cover installation & glue dispensing station, cover automatic locking station, high voltage test station, product static station, whole machine airtightness test station, automatic laser engraving nameplate station and breather valve installation & AOI full inspection station.

[0007] Furthermore, the automatic loading and unloading station includes a loading mechanism, a quick-change gripping mechanism, a flipping mechanism, a labeling mechanism, an unloading mechanism and a visual system;

[0008] The feeding mechanism is used to control the feeding and conveying of the box body;

[0009] The unloading mechanism is used to control the unloading and conveying of the box;

[0010] The flipping mechanism is used to flip the control box body;

[0011] The labeling mechanism is used to label the flipped control box body;

[0012] The visual system is used for scanning codes and appearance inspection of the control box body and the control box;

[0013] The quick-change grabbing mechanism is used to transfer the control box body of the feeding mechanism to the flipping mechanism for flipping, to grab the control box body of the flipping mechanism and transfer it to the labeling mechanism for labeling, and to transfer the control box body to the visual system for code scanning and appearance inspection, and to transfer the labeled control box body to the circulating conveying mechanism, and to transfer the control box of the circulating conveying mechanism to the unloading mechanism.

[0014] Furthermore, the transformer & inductor installation and locking station includes a first frame, on which a first product conveying mechanism, a feeding mechanism, a material taking mechanism, a first three-axis positioning mechanism and a first locking mechanism are provided;

[0015] The first product conveying mechanism is arranged on the first frame and connected to the conveying line, and is used for conveying and positioning the box body.

[0016] The feeding mechanism is arranged on one side of the first product conveying mechanism, and is used for feeding the transformer and the inductor into the taking mechanism from the outside of the first frame.

[0017] The taking mechanism is arranged above the first product conveying mechanism, and is used for assembling the transformer and the inductor and transferring the transformer and the inductor from the feeding mechanism to the box body.

[0018] The first three-axis positioning mechanism and the first locking mechanism are arranged on one side of the feeding mechanism along the first product conveying mechanism, and the first locking mechanism is arranged on the Z-axis of the first three-axis positioning mechanism, and is used for locking and fixing the transformer and the inductor with the box body.

[0019] The feeding mechanism is arranged in three groups, and the three groups of feeding mechanisms are arranged side by side on one side of the first product conveying mechanism, and the feeding mechanism comprises an upper track assembly, a lower track assembly, a tray, a carrying assembly, a lifting assembly and a tray positioning member; the upper track assembly transfers the tray from the outside to the inside of the first frame, the lower track assembly is arranged below the upper track assembly and is connected to the lifting assembly, the carrying assembly transfers the tray on the upper track assembly to the lifting assembly, the lifting assembly lowers to transfer the tray to the lower track assembly, and the lower track assembly transfers the tray from the inside to the outside of the first frame.

[0020] Further, the mounting cover plate & dispensing station comprises a second frame body, and the second frame body is provided with a second product conveying mechanism, a feeding mechanism, a gluing mechanism, a plasma cleaning mechanism, a weighing mechanism and a second detection mechanism.

[0021] The second product conveying mechanism is arranged on one side of the feeding mechanism and connected to the conveying line, and is used for conveying and positioning the box body.

[0022] The feeding mechanism is used for feeding the cover plate into the gluing station and positioning.

[0023] The plasma cleaning mechanism is connected to the gluing mechanism, and is used for cleaning the cover plate to be glued.

[0024] The gluing mechanism is used for gluing the cleaned cover plate; the gluing mechanism comprises a second three-axis positioning mechanism installed on the second frame body, and a gluing assembly connected to the Z-axis of the second three-axis positioning mechanism; the gluing assembly comprises a second air cylinder, a pneumatic dispensing valve, a needle nozzle and a fixed block, the fixed block is vertically arranged on the Z-axis of the second three-axis positioning mechanism, the second air cylinder is vertically arranged above the fixed block, the needle nozzle is connected to the output end of the second air cylinder and fixed in the fixed block, and the pneumatic dispensing valve is connected with the needle nozzle and used for glue amount switch control during gluing.

[0025] The weighing mechanism is used for weighing and calibrating the amount of gluing agent for the cover plate.

[0026] The second detection mechanism is connected to the gluing mechanism and used for detecting the gluing direction and the amount of gluing.

[0027] Further, the cover plate automatic locking station comprises a third rack, and the third rack is provided with a third product conveying mechanism, a face mask locking feeding mechanism, a third three-axis positioning mechanism and a third locking mechanism.

[0028] The third product conveying mechanism is arranged below the third locking mechanism and connected to the conveying line, and the third product conveying mechanism is used for conveying and positioning the control box.

[0029] The face mask locking feeding mechanism is arranged below the third locking mechanism, and the face mask locking feeding mechanism is used for locking the cover body and the control box in cooperation with the third locking mechanism.

[0030] The third locking mechanism is arranged on the Z-axis of the third three-axis positioning mechanism, slides along the third three-axis positioning mechanism and can be positioned at any point within the range of the third three-axis positioning mechanism, and the third locking mechanism is used for locking and fixing the cover plate and the control box.

[0031] The third locking mechanism comprises a screw chuck, a locking tool, a vacuum suction pipe, a driving assembly and a third detection mechanism, the screw chuck comprises a straight locking channel and an inclined screw feeding channel, the screwdriver rod of the locking tool penetrates the vacuum suction pipe, the driving assembly drives the vacuum suction pipe to move downward in the straight locking channel until the screw is adsorbed at the lower end of the vacuum suction pipe, the driving assembly continues to move downward to make the screw chuck open and make the screw in the adsorbed state be conveyed to the screw mounting hole, and the second detection mechanism is used for detecting whether the locking state of the cover body is correct.

[0032] Furthermore, the automatic laser engraving and nameplate affixing station includes a fourth frame, on which a fourth product conveying mechanism, a fourth three-axis positioning mechanism, a laser engraving machine, a label supply mechanism, a labeling mechanism and a fourth detection mechanism are provided. The label supply mechanism and the fourth product conveying mechanism are provided below the fourth three-axis positioning mechanism, and the labeling mechanism and the fourth detection mechanism are provided on the fourth three-axis positioning mechanism.

[0033] The fourth product conveying mechanism is horizontally arranged on the fourth frame and connected to the conveying line, and is used to convey the products to be labeled from the outside of the fourth frame into the labeling station;

[0034] The label supply mechanism is arranged on one side of the fourth product conveying mechanism, and is used to convey the base paper with the nameplate attached to it to the laser engraving machine for laser engraving;

[0035] The labeling mechanism and the fourth detection mechanism slide along the fourth three-axis positioning mechanism and can be positioned at any point within the range of the fourth three-axis positioning mechanism. The labeling mechanism is used to remove the nameplate and apply the nameplate to the product to be labeled. The fourth detection mechanism is used to detect the engraving quality and application quality of the nameplate.

[0036] Furthermore, the box cleaning station is used to clean the inside and outside of the box of the control box;

[0037] The water channel airtightness test station is used to test the water pipe connection of the control box body;

[0038] The automatic glue filling station is used to fill glue into the glue filling groove of the control box body;

[0039] The vacuum station is used to perform vacuum treatment on the control box body;

[0040] The curing and cooling station is used to solidify the glue of the control box body;

[0041] The glue height and hardness detection station is used to detect the height and hardness of the glue in the glue filling tank;

[0042] The AC connector locking & high-voltage cover locking & sealant application station is used to install and lock the AC connector and high-voltage cover to the control box body, and to apply sealant to the position where the high-voltage cover is locked;

[0043] The copper busbar assembly installation and DC connector locking station is used to install the copper busbar assembly into the control box body and install and lock the DC connector into the control box body;

[0044] The filter board installation and cable tie tying station is used to install the PCB board on the control box body and tie the AC connector harness and DC connector harness with cable ties;

[0045] The lock magnetic ring & lock filter small plate & lock first shielding cover station is used for locking the copper bar assembly and the PCB board to the control box body, and installing and locking the first shielding cover to the control box body;

[0046] The lock second shielding cover & floating high detection station is used for installing and locking the second shielding cover to the control box body, and performing floating high detection on the installation positions of the first shielding cover and the second shielding cover;

[0047] The first paste heat-conducting gasket station is used for pasting the first heat-conducting silica gel sheet or the first insulating paper to the required position in the control box body;

[0048] The ceramic sheet gluing and installing station is used for gluing the ceramic sheet, and pasting the ceramic sheet to the required position in the control box body;

[0049] The point heat-conducting glue station is used for coating heat-conducting gel on the required position in the control box body;

[0050] The lock third shielding cover station is used for installing and locking the third shielding cover to the control box body;

[0051] The installation power board station is used for installing the PCBA board to the control box body;

[0052] The first power board locking station is used for locking the PCBA board and the control box body for the first time;

[0053] The automatic pressing and locking AC / DC wire harness station is used for automatically pressing the pressing strip and locking the AC and DC wire harnesses to the control box body;

[0054] The second power board locking station is used for locking the PCBA board and the control box body for the second time;

[0055] The AOI detection station is used for detecting the screw floating high, the AC connector wire harness and the DC connector wire harness, and the connector terminal;

[0056] The first withstand voltage test station is used for performing withstand voltage test on the control box body;

[0057] The second withstand voltage test & lock grounding screw station is used for locking the grounding screw to the control box body and performing withstand voltage test;

[0058] The second paste heat-conducting gasket station is used for pasting the second heat-conducting silica gel sheet or the second insulating paper to the required position in the control box body;

[0059] The strong current test station is used for performing strong current test on the control box;

[0060] The product standing station is used for standing the control box;

[0061] The whole machine air tightness test station performs an air tightness test on the control box;

[0062] The ventilation valve installation & AOI full inspection station installs the ventilation valve on the control box and performs online AOI testing.

[0063] Furthermore, the circulating conveying mechanism is connected to the conveying line, and is provided with a lifting and positioning mechanism and a pallet cleaning mechanism; the circulating conveying mechanism is used to convey the control box body to the next workstation for assembly and testing, convey the assembled and tested control box back to the automatic material system, and clean the product carrier in the pallet cleaning mechanism.

[0064] Furthermore, it also includes a central control system for controlling the coordinated operation of each workstation.

[0065] Furthermore, the conveyor line, box cleaning station, waterway airtightness test station, automatic glue filling station, transformer & inductor installation and locking station, vacuum station, curing and cooling station, glue height and hardness detection station, AC connector installation and locking station, high voltage cover installation and locking station, copper busbar assembly installation and locking station, filter board installation and strapping station, magnetic ring lock station, filter board lock station, first shielding cover installation and floating height detection station, first thermal pad installation station, ceramic sheet glue installation station, thermal glue application station, third shielding cover installation and locking station Multiple sets of position sensors are arranged at the following stations: the power board installation station, the first power board locking station, the automatic pressing strip & locking AC / DC harness station, the second power board locking station, the AOI inspection station, the first voltage resistance test station, the second voltage resistance test & locking grounding screw station, the second thermal pad installation station, the cover installation & glue dispensing station, the cover automatic locking station, the high-voltage test station, the product static station, the whole machine airtightness test station, the automatic laser engraving nameplate station and the ventilation valve installation & AOI full inspection station; and the multiple sets of position sensors are all communicated with the central control system.

[0066] The beneficial effects of the present invention are:

[0067] 1. Automated equipment, semi-automatic equipment and manual positions all adopt the concept of standardized and modular design. Equipment sizes and the same structural classification are unified to reduce the number of materials and facilitate later maintenance;

[0068] 2. The line can easily add or remove workstations, adjust the process, and has strong compatibility and flexibility;

[0069] 3. The line adopts a double-layer design, and the tooling board realizes automatic reflow, eliminating the need for manual handling and turnover;

[0070] 4. The RFID reading and writing device / code scanning device is arranged in a whole line to monitor the use of each device and the production process data of the product in real time.

[0071] 5. The automatic equipment can reserve manual connection and buffer positions. When the automatic equipment fails, it can be flexibly switched to the reserved manual connection and buffer positions for production or replacement of new equipment insertion, without affecting the line output. BRIEF DESCRIPTION OF DRAWINGS

[0072] Figure 1 Process schematic diagram of the automatic production line of the new energy automobile control box;

[0073] Figure 2 Structure schematic diagram of the automatic feeding and discharging station of the automatic production line of the new energy automobile control box;

[0074] Figure 3 Structure schematic diagram of the transformer & inductor installation and locking station of the automatic production line of the new energy automobile control box;

[0075] Figure 4 Internal structure schematic diagram of the transformer & inductor installation and locking station of the automatic production line of the new energy automobile control box;

[0076] Figure 5 Figure 4 Structure schematic diagram from another perspective;

[0077] Figure 6 Figure 4 Structure schematic diagram of the feeding mechanism in the transformer & inductor installation and locking station;

[0078] Figure 7 Structure schematic diagram of the installation cover plate & dispensing station of the automatic production line of the new energy automobile control box;

[0079] Figure 8 Figure 7 Structure schematic diagram of the glue coating assembly in the installation cover plate & dispensing station;

[0080] Figure 9 Structure schematic diagram of the cover plate automatic locking station of the automatic production line of the new energy automobile control box;

[0081] Figure 10 Structure schematic diagram of the third locking mechanism of the automatic production line of the new energy automobile control box;

[0082] Figure 11 Structure schematic diagram of the automatic laser engraving and nameplate attaching station of the automatic production line of the new energy automobile control box;

[0083] Figure 12 Figure 11 Structure schematic diagram from another perspective;​​​​

[0084] Reference signs:

[0085] 10 - conveying line;

[0086] 20 - circulating conveying mechanism; 21 - jacking positioning mechanism; 22 - tray cleaning mechanism;

[0087] 30 - automatic loading and unloading station; 31 - loading mechanism, 32 - quick-change grabbing mechanism, 33 - overturning mechanism, 34 - labeling mechanism, 35 - unloading mechanism; 36 - vision system;

[0088] 40 - transformer & inductor mounting and locking station; 41 - first rack; 42 - first product conveying mechanism, 43 - feeding mechanism, 431 - upper track assembly; 432 - lower track assembly; 433 - tray; 434 - lifting assembly; 435 - carrying assembly; 44 - taking mechanism, 45 - first three-axis positioning mechanism; 46 - first locking mechanism;

[0089] 50 - cover plate mounting and dispensing station; 51 - second rack; 52 - second product conveying mechanism, 53 - feeding mechanism, 54 - glue applying mechanism, 541 - second three-axis positioning mechanism; 542 - second air cylinder; 543 - pneumatic dispensing valve; 544 - needle nozzle; 545 - fixing block; 55 - plasma cleaning mechanism, 56 - second detection mechanism;

[0090] 60 - automatic cover plate locking station; 61 - third rack, 62 - third product conveying mechanism, 63 - face shield locking feeding mechanism, 64 - third three-axis positioning mechanism, 65 - third locking mechanism; 651 - screw chuck; 652 - locking tool; 653 - vacuum suction pipe; 654 - driving assembly; 655 - third detection mechanism; 656 - straight locking channel; 657 - oblique nail feeding channel;

[0091] 70 - automatic laser engraving and nameplate pasting station; 71 - fourth rack, 72 - fourth product conveying mechanism, 73 - fourth three-axis positioning mechanism, 74 - laser engraving machine, 75 - label feeding mechanism, 76 - labeling mechanism; 77 - fourth detection mechanism. DETAILED DESCRIPTION

[0092] The technical solutions in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0093] In the description of the present invention, it should be noted that the terms "vertical," "upper," "lower," and "horizontal," etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of the present invention and simplify the description. They are not intended to indicate or imply that the devices or components referred to must have, be constructed, or operate in a specific orientation, and therefore should not be construed as limitations on the present invention. Furthermore, the terms "first," "second," "third," and "fourth" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0094] It should also be noted that, in the description of the present invention, unless otherwise expressly specified or limited, the terms "disposed," "installed," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections; they may refer to mechanical connections or electrical connections; they may refer to direct connections or connections through an intermediate medium; and they may refer to internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0095] like Figure 1 As shown, an embodiment of the present invention provides an automatic production line for a new energy vehicle control box, comprising a conveyor line and a circulating conveying mechanism and a product carrier located on the conveyor line, and automatic loading and unloading stations, a box cleaning station, a water channel airtightness test station, an automatic glue filling station, a transformer & inductor installation and locking station, a vacuum pumping station, a solidification cooling station, a glue height and hardness detection station, an AC connector locking station & a high-voltage cover locking station & a sealant application station, a copper busbar assembly & a DC connector locking station, a filter board & a cable tie station, a magnetic ring locking station & a filter board & a first shielding cover locking station, and a second shielding cover locking station. Second shielding cover & floating height detection station, first thermal gasket attachment station, ceramic sheet glue application and installation station, thermal glue dispensing station, third shielding cover installation and locking station, power board installation station, first power board locking station, automatic pressing strip & AC / DC harness locking station, second power board locking station, AOI inspection station, first withstand voltage test station, second withstand voltage test & grounding screw locking station, second thermal gasket attachment station, cover installation & glue dispensing station, cover automatic locking station, high voltage test station, product static station, whole machine airtightness test station, automatic laser engraving nameplate attachment station and breather valve installation & AOI full inspection station.

[0096] The circulating conveying mechanism is connected to the conveying line, and is provided with a lifting and positioning mechanism and a pallet cleaning mechanism; the circulating conveying mechanism is used to convey the control box body to the next workstation for assembly and testing, convey the assembled and tested control box back to the automatic material system, and clean the product carrier in the pallet cleaning mechanism.

[0097] The new energy vehicle control box automatic production line further comprises a central control system, the central control system is in communication connection with the above-mentioned work stations, and is used for controlling the cooperative operation of the work stations.

[0098] In the embodiment, RFID reading and writing devices / code scanning devices are arranged on the whole line to monitor the working conditions of the equipment used by each work station and the production process data of products in real time.

[0099] As shown in Figure 2 In the embodiment, the automatic feeding and discharging work station comprises a feeding mechanism, a quick-change grabbing mechanism, a turnover mechanism, a labeling mechanism, a discharging mechanism and a vision system.

[0100] The feeding mechanism is used for feeding and conveying the control box box body.

[0101] The discharging mechanism is used for discharging and conveying the control box.

[0102] The turnover mechanism is used for turning over the control box box body.

[0103] The labeling mechanism is used for labeling the turned-over control box box body.

[0104] The vision system is used for code scanning and appearance detection of the control box box body and the control box.

[0105] The quick-change grabbing mechanism is used for transferring the control box box body of the feeding mechanism to the turnover mechanism for turning over, grabbing the control box box body of the turnover mechanism to transfer to the labeling mechanism for labeling, transferring the control box box body to the vision system for code scanning and appearance detection, transferring the labeled control box box body to the circulating conveying mechanism, and transferring the control box of the circulating conveying mechanism to the discharging mechanism.

[0106] As shown in Figures 3 to 6 In the embodiment, the transformer & inductor mounting and locking work station comprises a first rack, the first rack is provided with a first product conveying mechanism, a feeding mechanism, a taking mechanism, a first three-axis positioning mechanism and a first locking mechanism.

[0107] The first product conveying mechanism is horizontally arranged on the first rack and is connected to the conveying line, and is used for conveying and positioning the control box box body.

[0108] The feeding mechanism is arranged on one side of the first product conveying mechanism, and is used for feeding the transformer and the inductor from the outside of the first rack into the taking mechanism.

[0109] The taking mechanism is installed above the first product conveying mechanism, and is used for completing assembly of the transformer and the inductor and transferring the transformer and the inductor from the feeding mechanism to the control box body.

[0110] The first three-axis positioning mechanism and the first locking mechanism are arranged on one side of the feeding mechanism along the first product conveying mechanism, and the first locking mechanism is arranged on the Z-axis of the first three-axis positioning mechanism. In the embodiment, the first locking mechanism has the same structure as the third locking mechanism, and is used for locking and fixing the transformer and the inductor and the control box body.

[0111] As shown in the figure, Figure 6 In the embodiment, the feeding mechanism is arranged in three groups, and the three groups of feeding mechanisms are arranged side by side on one side of the first product conveying mechanism. The feeding mechanism comprises an upper track assembly, a lower track assembly, a tray, a carrying assembly, a lifting assembly and a tray positioning member. The upper track assembly transfers the tray from the outside to the inside of the first rack. The lower track assembly is arranged below the upper track assembly and is connected with the lifting assembly. The carrying assembly transfers the tray on the upper track assembly to the lifting assembly. The lifting assembly lowers to transfer the tray to the lower track assembly. The lower track assembly transfers the tray from the inside to the outside of the first rack.

[0112] As shown in the figure, Figures 7 to 8 In the embodiment, the mounting cover plate & dispensing station comprises a second rack body. The second rack body is provided with a second product conveying mechanism, a feeding mechanism, a gluing mechanism, a plasma cleaning mechanism, a weighing mechanism and a second detection mechanism.

[0113] The second product conveying mechanism is arranged on one side of the feeding mechanism and is connected with the conveying line, and is used for conveying and positioning the control box body.

[0114] The feeding mechanism is used for feeding the cover plate into the gluing station and positioning the cover plate.

[0115] The plasma cleaning mechanism is connected with the gluing mechanism, and is used for cleaning the cover plate to be glued.

[0116] As shown in the figure, Figure 8 In the embodiment, the gluing mechanism is used for gluing the cleaned cover plate. The gluing mechanism comprises a second three-axis positioning mechanism installed on the second rack body and a gluing assembly connected with the Z-axis of the second three-axis positioning mechanism. The gluing assembly comprises a second air cylinder, a pneumatic dispensing valve, a needle nozzle and a fixing block. The fixing block is vertically arranged on the Z-axis of the second three-axis positioning mechanism. The second air cylinder is vertically arranged above the fixing block. The needle nozzle is connected with the output end of the second air cylinder and is fixed in the fixing block. The pneumatic dispensing valve is connected with the needle nozzle and is used for glue amount switch control during gluing.

[0117] The weighing mechanism is used for weighing and calibrating the glue for the cover plate.

[0118] The second detection mechanism is connected to the gluing mechanism and is used for detecting the gluing direction and the gluing amount.

[0119] As shown in Figures 9 to 10 the embodiment, the cover plate automatic locking station comprises a third rack, the third rack is provided with a third product conveying mechanism, a mask locking feeding mechanism, a third three-axis positioning mechanism and a third locking mechanism;

[0120] The third product conveying mechanism is arranged below the third locking mechanism and is connected to the conveying line, and the third product conveying mechanism is used for conveying and positioning the control box;

[0121] The mask locking feeding mechanism is arranged below the third locking mechanism, and the mask locking feeding mechanism is used for locking the cover body with the control box in cooperation with the third locking mechanism;

[0122] The third locking mechanism is arranged on the Z-axis of the third three-axis positioning mechanism, slides along the third three-axis positioning mechanism and can be positioned at any point within the range of the third three-axis positioning mechanism, and the third locking mechanism is used for locking and fixing the cover plate with the control box;

[0123] As shown in Figure 10 the embodiment, the third locking mechanism comprises a screw chuck, a locking tool, a vacuum suction pipe, a driving assembly and a third detection mechanism, the screw chuck comprises a straight locking channel and an inclined screw feeding channel, the screwdriver rod of the locking tool is arranged in the vacuum suction pipe, the driving assembly drives the vacuum suction pipe to move downward in the straight locking channel until the screw is suctioned at the lower end of the vacuum suction pipe, the driving assembly continues to move downward to make the screw chuck open and make the screw in the suction state be conveyed to the screw mounting hole, and the second detection mechanism is used for detecting whether the locking state of the cover body is correct. Specifically, the locking tool uses an intelligent electric screwdriver.

[0124] As shown in Figures 11 to 12 the embodiment, the automatic laser engraving and marking station comprises a fourth rack, the fourth rack is provided with a fourth product conveying mechanism, a fourth three-axis positioning mechanism, a laser engraving machine, a marking supply mechanism, a marking mechanism and a fourth detection mechanism, the marking supply mechanism and the fourth product conveying mechanism are arranged below the fourth three-axis positioning mechanism, and the marking mechanism and the fourth detection mechanism are arranged on the fourth three-axis positioning mechanism;

[0125] The fourth product conveying mechanism is horizontally arranged on the fourth frame and connected to the conveying line, and is used to convey the products to be labeled from the outside of the fourth frame into the labeling station;

[0126] The label supply mechanism is arranged on one side of the fourth product conveying mechanism, and is used to convey the base paper with the nameplate attached to it to the laser engraving machine for laser engraving;

[0127] The labeling mechanism and the fourth detection mechanism slide along the fourth three-axis positioning mechanism and can be positioned at any point within the range of the fourth three-axis positioning mechanism. The labeling mechanism is used to remove the nameplate and apply the nameplate to the product to be labeled. The fourth detection mechanism is used to detect the engraving quality and application quality of the nameplate.

[0128] In this embodiment, the second detection mechanism, the third detection mechanism and the fourth detection mechanism all include a light source and a scanning camera. The scanning camera integrates a data processor and a signal generator. The scanning camera is also provided with a signal transmission interface, and its detection results are transmitted to the central control system.

[0129] In this embodiment, the box cleaning station is used to clean the inside and outside of the box of the control box;

[0130] The water channel airtightness test station is used to test the water pipe connection of the control box body;

[0131] The automatic glue filling station is used to fill glue into the glue filling groove of the control box body;

[0132] The vacuum station is used to perform vacuum treatment on the control box body;

[0133] The curing and cooling station is used to solidify the glue of the control box body;

[0134] The glue height and hardness detection station is used to detect the height and hardness of the glue in the glue filling tank;

[0135] The AC connector locking & high-voltage cover locking & sealant application station is used to install and lock the AC connector and high-voltage cover to the control box body, and to apply sealant to the position where the high-voltage cover is locked;

[0136] The copper busbar assembly installation and DC connector locking station is used to install the copper busbar assembly into the control box body and install and lock the DC connector into the control box body;

[0137] The filter board installation and cable tie tying station is used to install the PCB board on the control box body and tie the AC connector harness and DC connector harness with cable ties;

[0138] The lock magnetic ring & lock filter small plate & lock first shielding cover station is used for locking the copper bar assembly and the PCB board to the control box body, and installing and locking the first shielding cover to the control box body;

[0139] The lock second shielding cover & floating high detection station is used for installing and locking the second shielding cover to the control box body, and performing floating high detection on the installation positions of the first shielding cover and the second shielding cover;

[0140] The first paste heat-conducting gasket station is used for pasting the first heat-conducting silica gel sheet or the first insulating paper to the required position in the control box body;

[0141] The ceramic sheet gluing and installing station is used for gluing the ceramic sheet, and pasting the ceramic sheet to the required position in the control box body;

[0142] The point heat-conducting glue station is used for coating the heat-conducting gel on the required position in the control box body;

[0143] The lock third shielding cover station is used for installing and locking the third shielding cover to the control box body;

[0144] The installation power board station is used for installing the PCBA board to the control box body;

[0145] The first power board locking station is used for locking the PCBA board and the control box body for the first time;

[0146] The automatic pressing and locking AC / DC wire harness station is used for automatically pressing the pressing strip and locking the AC and DC wire harnesses to the control box body;

[0147] The second power board locking station is used for locking the PCBA board and the control box body for the second time;

[0148] The AOI detection station is used for detecting the screw floating high, the AC connector wire harness and the DC connector wire harness, and the connector terminal;

[0149] The first withstand voltage test station is used for performing the withstand voltage test on the control box body;

[0150] The second withstand voltage test & lock grounding screw station is used for locking the grounding screw to the control box body and performing the withstand voltage test;

[0151] The second paste heat-conducting gasket station is used for pasting the second heat-conducting silica gel sheet or the second insulating paper to the required position in the control box body;

[0152] The strong current test station is used for performing the strong current test on the control box;

[0153] The product standing station is used for standing the control box;

[0154] The whole machine air tightness test station tests the air tightness of the control box.

[0155] The air valve installation & AOI full inspection station installs the air valve on the control box and performs online AOI test.

[0156] In the above station, the locking process used in the locking station can adopt the same locking mechanism as the third locking mechanism. An intelligent electric screwdriver is used, and the tightening parameters can be traced and uploaded; the torque, curve, angle, number of turns, float height, inclination, slip, number of screws, specifications, length, and incoming material cleanliness can be monitored and controlled; a face shield is configured during the product locking process, the semi-automatic station assists the tightening tool with digital positioning, an intelligent dynamic SOP real-time error prevention and foolproof guide system is configured to prevent position errors.

[0157] In the above station, the dispensing and gluing process can adopt the same gluing mechanism as the cover plate installation & dispensing station. A metering pump, automatic glue nozzle calibration and automatic glue nozzle cleaning system are configured, the glue amount is automatically weighed, the program-controlled automatic glue dispensing is performed, the dispensing effect is checked by a CCD, and the dispensing and gluing effects are good.

[0158] In the above station, the detection assembly can be set as the same as the second detection mechanism, the third detection mechanism, and the fourth detection mechanism according to needs.

[0159] In the embodiment, the new energy vehicle control box automatic production line can increase or decrease stations, and the order of processes can be adjusted according to needs. Manual connection positions and buffer positions can be reserved between automatic devices, when the automatic devices fail, the production can be switched to the reserved manual connection positions and buffer positions or new devices can be inserted, without affecting the line output.

[0160] The above only expresses the preferred technical solutions of the present application, which are described in detail and in detail, but cannot be understood as limiting the scope of the invention patent. It should be noted that for ordinary skilled persons in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, and the present application also intends to include these modifications and improvements.

Claims

1. An automatic production line for new energy vehicle control boxes, characterized by: It includes a conveyor line and a circulating conveying mechanism and a product carrier located on the conveyor line, and the automatic loading and unloading station, box cleaning station, waterway airtightness test station, automatic glue filling station, transformer & inductor installation and locking station, vacuum station, curing and cooling station, glue height and hardness detection station, AC connector locking station & high-voltage cover locking station & sealant point station, copper busbar assembly installation station & DC connector locking station, filter board installation station & cable tie station, magnetic ring locking station & filter board locking station & first shielding cover locking station, second shielding cover locking station & floating height detection station, the first The first thermal pad attaching station, ceramic sheet gluing and installation station, thermal glue dispensing station, third shield cover installation and locking station, power board installation station, first power board locking station, automatic pressing strip & AC / DC harness locking station, second power board locking station, AOI inspection station, first withstand voltage test station, second withstand voltage test & ground screw locking station, second thermal pad attaching station, cover installation & glue dispensing station, cover automatic locking station, high voltage test station, product static station, whole machine airtightness test station, automatic laser engraving nameplate attaching station, and vent valve installation & AOI full inspection station; The box cleaning station is used to clean the inside and outside of the control box box; The water channel airtightness test station is used to test the water pipe connection of the control box body; The automatic glue filling station is used to fill glue into the glue filling groove of the control box body; The vacuum station is used to perform vacuum treatment on the control box body; The curing and cooling station is used to solidify the glue of the control box body; The glue height and hardness detection station is used to detect the height and hardness of the glue in the glue filling tank; The AC connector locking & high-voltage cover locking & sealant application station is used to install and lock the AC connector and high-voltage cover to the control box body, and to apply sealant to the position where the high-voltage cover is locked; The copper busbar assembly installation and DC connector locking station is used to install the copper busbar assembly into the control box body and install and lock the DC connector into the control box body; The filter board installation and cable tie tying station is used to install the PCB board on the control box body and tie the AC connector harness and DC connector harness with cable ties; The locking magnetic ring, locking filter board, and installing the first shielding cover station are used to lock the copper busbar assembly and PCB board to the control box body, and install and lock the first shielding cover to the control box body; The second shield cover locking and floating height detection station is used to install and lock the second shield cover to the control box body, and perform floating height detection on the installation positions of the first shield cover and the second shield cover; The first thermally conductive pad applying station is used to apply the first thermally conductive silicone sheet or the first insulating paper to the required position inside the control box; The ceramic sheet gluing and installation station is used to apply glue to the ceramic sheet and stick the ceramic sheet to the required position inside the control box; The thermal conductive glue application station is used to apply thermal conductive gel to the required position inside the control box; The third shielding cover locking station is used to install and lock the third shielding cover to the control box body; The power board installation station is used to install the PCBA board on the control box body; The first power plate locking station is used for locking the PCBA plate and the control box body for the first time; The automatic pressing and locking AC / DC wire harness station is used for automatically pressing the pressing strip and locking the AC and DC wire harnesses to the control box body; The second power plate locking station is used for locking the PCBA plate and the control box body for the second time; The AOI detection station is used for screw height detection, AC connector wire harness and DC connector wire harness positive and negative detection, and connector terminal detection; The first withstand voltage test station is used for withstand voltage test of the control box body; The second withstand voltage test and grounding screw locking station is used for locking the grounding screw to the control box body and performing withstand voltage test; The second paste heat-conducting gasket station is used for pasting a second heat-conducting silica gel sheet or a second insulating paper on a required position in the control box body; The strong current test station is used for strong current test of the control box; The product standing station is used for standing the control box; The whole machine air tightness test station is used for air tightness test of the control box; The air valve installation and AOI full detection station is used for installing the air valve to the control box and performing online AOI test.

2. The new energy vehicle control box automatic production line according to claim 1, characterized in that: The automatic feeding and discharging station comprises a feeding mechanism, a quick-change grabbing mechanism, a turnover mechanism, a labeling mechanism, a discharging mechanism and a vision system; The feeding mechanism is used for feeding and conveying the control box body; The discharging mechanism is used for discharging and conveying the control box; The turnover mechanism is used for turning over the control box body; The labeling mechanism is used for labeling the turned-over control box body; The vision system is used for scanning code and appearance detection of the control box body and the control box; The quick-change grabbing mechanism is used for transferring the control box body of the feeding mechanism to the turnover mechanism for turning over, grabbing the control box body of the turnover mechanism to the labeling mechanism for labeling, transferring the control box body to the vision system for scanning code and appearance detection, transferring the labeled control box body to the circulating conveying mechanism, and transferring the control box of the circulating conveying mechanism to the discharging mechanism.

3. The new energy vehicle control box automatic production line according to claim 1, characterized in that: The transformer and inductor installation and locking station comprises a first rack, a first product conveying mechanism, a feeding mechanism, a taking mechanism, a first three-axis positioning mechanism and a first locking mechanism are arranged on the first rack; The first product conveying mechanism is horizontally arranged on the first rack and connected to the conveying line, and is used for conveying and positioning the control box body; The feeding mechanism is arranged on one side of the first product conveying mechanism, and is used for feeding the transformer and the inductor from the outside of the first rack to the taking mechanism; The taking mechanism is installed above the first product conveying mechanism, and is used for completing assembly of the transformer and the inductor and transferring the transformer and the inductor from the feeding mechanism to the control box body; The first three-axis positioning mechanism and the first locking mechanism are arranged on one side of the feeding mechanism along the first product conveying mechanism, and the first locking mechanism is arranged on the Z-axis of the first three-axis positioning mechanism, and is used for locking and fixing the transformer and the inductor to the control box body. The feeding mechanism is arranged in three groups, and the three groups of feeding mechanisms are arranged side by side on one side of the first product conveying mechanism. The feeding mechanism comprises an upper track assembly, a lower track assembly, a tray, a carrying assembly, a lifting assembly and a tray positioning member. The upper track assembly transfers the tray from the outside to the inside of the first rack. The lower track assembly is arranged below the upper track assembly and is connected with the lifting assembly. The carrying assembly transfers the tray on the upper track assembly to the lifting assembly. The lifting assembly lowers the tray to the lower track assembly. The lower track assembly transfers the tray from the inside to the outside of the first rack.

4. The new energy vehicle control box automatic production line according to claim 1, characterized in that: The mounting cover plate & dispensing station comprises a second rack body, and the second rack body is provided with a second product conveying mechanism, a feeding mechanism, a gluing mechanism, a plasma cleaning mechanism, a weighing mechanism and a second detection mechanism; The second product conveying mechanism is arranged on one side of the feeding mechanism and connected to the conveying line, for controlling the conveying and positioning of the box body; The feeding mechanism is used for feeding the cover plate into the gluing station and positioning; The plasma cleaning mechanism is connected to the gluing mechanism, for cleaning the cover plate to be glued; The gluing mechanism is used for gluing the cleaned cover plate. The gluing mechanism comprises a second three-axis positioning mechanism mounted on the second rack body, and a gluing assembly connected to the Z-axis of the second three-axis positioning mechanism. The gluing assembly comprises a second air cylinder, a pneumatic dispensing valve, a needle nozzle and a fixed block. The fixed block is vertically arranged on the Z-axis of the second three-axis positioning mechanism. The second air cylinder is vertically arranged above the fixed block. The needle nozzle is connected to the output end of the second air cylinder and fixed in the fixed block. The pneumatic dispensing valve is connected with the needle nozzle, for glue amount switch control during gluing; The weighing mechanism is used for weighing and calibrating the amount of glue for the cover plate; The second detection mechanism is connected to the gluing mechanism, for detecting the gluing direction and the amount of glue.

5. The new energy vehicle control box automatic production line according to claim 4, characterized in that: The cover plate automatic locking station comprises a third rack, and the third rack is provided with a third product conveying mechanism, a face mask locking feeding mechanism, a third three-axis positioning mechanism and a third locking mechanism; The third product conveying mechanism is arranged below the third locking mechanism and connected to the conveying line. The third product conveying mechanism is used for conveying and positioning the control box body; The face mask locking feeding mechanism is arranged below the third locking mechanism. The face mask locking feeding mechanism is used for locking the cover body with the control box body in cooperation with the third locking mechanism; The third locking mechanism is arranged on the Z-axis of the third three-axis positioning mechanism, slides along the third three-axis positioning mechanism and can be positioned at any point within the range of the third three-axis positioning mechanism. The third locking mechanism is used for locking and fixing the cover plate with the control box body; The third locking mechanism comprises a screw clamp, a locking tool, a vacuum suction pipe, a driving assembly and a third detection mechanism. The screw clamp comprises a straight locking channel and an oblique screw feeding channel. The screwdriver rod of the locking tool is arranged in the vacuum suction pipe. The driving assembly drives the vacuum suction pipe to move downward in the straight locking channel until the screw is adsorbed at the lower end of the vacuum suction pipe. The driving assembly continues to move downward to make the screw clamp open and make the screw in the adsorbed state be transported into the screw mounting hole. The second detection mechanism is used to detect whether the locking state of the cover is correct.

6. The new energy vehicle control box automatic production line according to claim 1, characterized in that: The automatic laser engraving and marking post comprises a fourth rack, a fourth product conveying mechanism, a fourth three-axis positioning mechanism, a laser engraving machine, a label providing mechanism, a label sticking mechanism and a fourth detection mechanism. The label providing mechanism and the fourth product conveying mechanism are arranged below the fourth three-axis positioning mechanism. The label sticking mechanism and the fourth detection mechanism are arranged on the fourth three-axis positioning mechanism. The fourth product conveying mechanism is arranged on the fourth rack and connected to the conveying line, and is used to send the product to be marked into the label sticking post from the outside of the fourth rack. The label providing mechanism is arranged on one side of the fourth product conveying mechanism and is used to convey the bottom paper with the nameplate to the laser engraving machine for laser engraving. The label sticking mechanism and the fourth detection mechanism slide along the fourth three-axis positioning mechanism and can be positioned at any point in the range of the fourth three-axis positioning mechanism. The label sticking mechanism is used to move and take the nameplate and stick the nameplate on the product to be marked. The fourth detection mechanism is used to detect the engraving quality and sticking quality of the nameplate.

7. The new energy vehicle control box automatic production line according to claim 1, characterized in that: The circulating conveying mechanism is connected to the conveying line. The circulating conveying mechanism is provided with a lifting positioning mechanism and a tray cleaning mechanism. The circulating conveying mechanism is used to convey the control box to the next station for assembly and testing, convey the assembled and tested control box back to the automatic material system, and clean the product carrier in the tray cleaning mechanism.

8. The automatic production line of new energy vehicle control boxes according to any one of claims 1 to 7, characterized in that: A central control system is further included to control the cooperative operation of each station.

9. The new energy automobile control box automatic production line according to claim 8, characterized in that: The conveying line, the box cleaning station, the waterway airtightness test station, the automatic glue filling station, the transformer & inductor installation and locking station, the vacuumizing station, the curing and cooling station, the glue height and hardness detection station, the locking AC connector and locking high-voltage cover plate and point sealing glue station, the locking DC connector station, the locking magnetic ring and locking filter plate and locking first shielding cover station, the locking second shielding cover and floating height detection station, the first heat-conducting pad sticking station, the ceramic piece glue coating and installation station, the point heat-conducting glue station, the locking third shielding cover station, the power plate installation station, the first power plate locking station, the automatic pressing and locking AC / DC wire harness station, the second power plate locking station, the AOI detection station, the first voltage resistance test station, the second voltage resistance test and locking ground screw station, the second heat-conducting pad sticking station, the cover plate installation and glue filling station, the automatic cover plate locking station, the strong current test station, the product standing station, the whole machine airtightness test station, the automatic laser engraving and nameplate sticking station and the air valve installation and AOI full inspection station are all arranged with multiple position sensors; the multiple position sensors are all in communication connection with the central control system.

Citation Information

Patent Citations

  • Gluing and film tearing machine

    CN117563883A

  • Automatic production line of motor controller

    CN117657706A