This automatic switchgear production line and automatic switchgear assembly line are specially designed for mass production of complete electrical cabinets. It is compatible with most high and low voltage complete electrical equipment on the market and meets the requirements of mixed-flow assembly of multiple cabinet types. Widely used in the manufacturing of power cabinets for industrial & mining, construction, power grid and new energy supporting projects. The applicable product categories are listed as follows:
High-voltage switchgear: Compatible with KYN28-12 mid-mounted switchgear, HXGN15-12 ring main unit, VS1 vacuum circuit breaker switchgear, 10kV high-voltage complete cabinets and other mainstream high-voltage power distribution equipment. Suitable for industrial and municipal power distribution systems of 10kV and above.
Low-voltage distribution cabinets: Compatible with full series of low-voltage distribution cabinets including GGD fixed low-voltage distribution cabinet, GCS low-voltage draw-out switchgear, MNS low-voltage modular switchgear, XL power distribution box and XM lighting distribution box. Widely applied in 0.4kV low-voltage power distribution terminal scenarios.
Other complete power cabinets: Applicable to box-type substation housings, electrical control cabinets, capacitor compensation cabinets, dual power transfer cabinets, fire inspection cabinets, PLC industrial control cabinets and other sheet metal complete power cabinets. It features strong versatility and wide application scenarios.
The switchgear assembly line of this project adopts roller conveyor traveling station flexible assembly technology, which is a mature intelligent cabinet mass production line in the industry. The overall layout is modular and segmented for continuous operation. With heavy-duty steel roller conveyor system as the core carrier and circulating tooling pallets, the equipment realizes automatic conveying, precise positioning and continuous transfer of switchgear cabinets among each process station, thoroughly solving the pain points of low efficiency, poor precision and high labor cost of traditional single-unit assembly.
The entire switchgear production line is equipped with multiple PBF series pneumatic lifting manipulators as standard. It realizes labor-saving hoisting, precise alignment and auxiliary assembly for heavy components such as switchgear sheet metal shells, high-voltage circuit breakers, current transformers and copper busbars. It greatly reduces labor intensity and avoids safety risks in handling and assembling heavy workpieces. Each working station is equipped with customized positioning tooling and clamping mechanisms to effectively guarantee the assembly dimensional accuracy, hole consistency and overall assembly standardization of different types of switchgear cabinets.
The production line integrates automatic conveying, intelligent auxiliary assembly, precise tooling positioning, step-by-step process inspection and finished product transfer & backflow functions. It standardizes and splits the procedures including switchgear cabinet pre-assembly, core component installation, busbar arrangement & mounting, secondary circuit wiring, complete machine testing and finished product off-line, so as to realize batch continuous assembly line production. It effectively improves the production tact and finished product qualification rate of switchgear, and meets the mass standardized production requirements of small & medium-sized cabinets and large complete cabinets.
Loading Station: Hoist the sheet metal frame of empty switchgear cabinet onto the special tooling plate, complete automatic positioning, locking and fixing via tooling clamps. The roller conveyor system smoothly sends the cabinet into the operation process of the switchgear production line to finish preparation for production loading.
Cabinet Pre-assembly Station: Correct the flatness and fix the structure of the cabinet frame. Complete pre-assembly of basic structural components in sequence, including internal support beams, partition plates, door hinges, locks and mounting brackets, to ensure the structural stability of the cabinet.
Main Component Assembly Station: With the assistance of pneumatic lifting manipulators, complete hoisting, positioning and fastening installation of primary heavy electrical components such as high-voltage circuit breakers, disconnectors, current transformers and fuses to realize precise assembly of heavy accessories.
Busbar Assembly Station: Complete alignment installation, bending adaptation and bolt fastening of high and low voltage copper and aluminum busbars, standardize the spacing of busbar arrangement, and ensure the cabinet conductivity and compliance of electrical safety clearances.
Secondary Wiring Station: Install and fix secondary components including meters, relays, terminal blocks, indicator lights and control switches. Complete secondary circuit routing, wiring, crimping and marking in accordance with process standards.
Complete Machine Inspection Station: Carry out full inspections such as cabinet appearance quality inspection, wiring continuity test, mechanical interlock performance test and electrical clearance verification. Repair and rectify unqualified products on site to guarantee factory quality.
Finished Product Offline Station: Unlock the tooling of inspected qualified switchgear cabinets. Manipulator-assisted hoisting is adopted for finished product offline and warehousing transfer. Empty tooling plates automatically return to the starting station of the switchgear assembly line to realize cyclic continuous production.
Applicable Cabinet Size & Load Parameters: Adaptable dimensions can be customized according to customers’ production demands and cabinet models, compatible with high & low voltage switchgear and complete electrical cabinets of different length, width and height specifications. The load capacity of the equipment tooling plate can be customized as required (500kg, 1000kg, 2000kg and above), covering production requirements of light, medium and heavy cabinets.
Assembly Line Layout & Station Parameters: The number of stations of the switchgear assembly line can be flexibly customized. Options include 4-station, 6-station, 8-station, 10-station and multi-station extended schemes. The overall line length and layout direction can be personalized according to the customer’s workshop space and production tact, adapting to installation conditions of different factories.
Custom Configuration of Lifting Manipulators: Manipulator model, rated load and working radius can be customized on demand. The standard configuration adopts mainstream PBF-HF75 model. Vacuum suction cups, special grippers, lifting slings and other tooling can be flexibly replaced to meet the grabbing and assembly requirements of different workpieces such as cabinet shells, heavy components and busbars.
Conveyor Line Operating Parameters: The roller conveying speed is steplessly adjustable for flexible production tact regulation. Station accumulation & buffering function can be added to realize orderly temporary storage and peak-shifting operation of workpieces. The control system supports dual-mode switching between manual commissioning and automatic continuous operation, adapting to different scenarios including equipment debugging and mass production.
Modular Tooling Fixtures: Equipped with quick-change customized tooling fixtures. The positioning tooling can be quickly switched for different types of high & low voltage switchgear to support mixed-flow flexible production of multiple cabinet types without major modification of the line structure, featuring excellent versatility and practicality.
Intelligent Supporting Expansion Items: The switchgear production line supports multi-functional upgrading and expansion. Optional add-ons include product scanning traceability system, real-time bolt torque monitoring system, on-line complete machine electrical test bench, safety protective fence, acousto-optic safety alarm device, station intelligent lighting and process display system, to realize intelligent and digital upgrading of the production line.
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