MCB Automatic Rivet Pin Insert Machine: Precision, Speed & Inline Integration for Circuit Breaker Assembly2026-04-10MCB Automatic Rivet Pin Insert Machine: Precision, Speed & Inline Integration for Circuit Breaker Assembly

In MCB (Miniature Circuit Breaker) manufacturing, rivet pin insertion is one of the most repetitive yet quality-critical assembly operations. Misaligned or missing pins cause functional failures that only surface during final electrical testing — creating costly rework loops and line stoppages. Benlong’s MCB Automatic Rivet Pin Insert Machine eliminates this risk by integrating the complete pin-feeding, insertion, and detection process into a single inline station, designed specifically for the demands of high-speed circuit breaker production.

What Is an MCB Automatic Rivet Pin Insert Machine?

An MCB Automatic Rivet Pin Insert Machine is a dedicated inline automation station that automatically feeds, orients, and presses rivet pins into MCB sub-assemblies — without manual handling. The machine accepts MCB housings from the upstream conveyor, executes the pin insertion cycle, verifies insertion quality via sensors, and outputs conforming products to the downstream line. Non-conforming products are automatically rejected before they proceed further.

This machine is compatible with 1P and 2P MCB products running on the same line, with a single vibrating bowl feeder serving both workstations — reducing equipment footprint and changeover complexity.

Full Workflow: From Pin Feed to Conveyor Output

The complete process sequence operates as follows:

Step	Action
1	Operator loads rivet pins into the vibrating bowl feeder
2	Auto-blocking and separation mechanism orients and singulates pins
3	Chain plate conveyor feeds MCB products to the insertion position
4	Product auto-positions at designated insertion coordinates
5	Pin inserted automatically — one pin per cycle
6	Sensor detects presence and insertion depth; non-conforming product diverted to rejection bin
7	Conforming product pushed to output conveyor and transferred to next station
Note	For 3P and 4P products, manual pin insertion is performed by the operator at a dedicated adjacent station

Key Technical Specifications

Parameter	Specification
Power Supply	220V ±10%, 50Hz ±1Hz
Theoretical Output (1P)	≈10,000 pcs / 8-hour shift
Conveyor Height	760 mm ±50 mm (floor to belt surface)
Conveyor Type	Chain plate conveyor
Insulation Resistance	≥ 10 MΩ
Product Compatibility	MCB 1P, 2P (inline); 3P, 4P (manual assist station)
Workstations	2, served by single vibrating bowl feeder
Equipment Footprint	L mm × W mm × H 2000 mm (actual size subject to configuration)
Data Retention	HMI stores 30 days of production data including shift totals and date records
Control	Fully automatic with emergency stop function (all-state halt)

Core Components & Brands

Benlong selects proven industrial-grade components throughout, ensuring long service life and easy local sourcing for spare parts:

Component	Brand / Standard
Pneumatic Cylinders	AirTac
Sensors (presence & detection)	Omron
PLC	Mitsubishi
HMI (Touchscreen)	MCGS

Safety & Fault Management

The machine is engineered with a multi-layer safety architecture to protect both operators and upstream/downstream equipment:

• Auto-stop on fault: any in-process anomaly triggers an immediate halt with alarm output
• Upstream/downstream interlock: integrated with adjacent line equipment to prevent cascading jams
• Emergency stop: accessible in any operating state; equipment halts immediately upon activation
• Self-protection logic: built-in PLC routines prevent mechanical damage during abnormal feed or jam conditions
• Automatic rejection: non-conforming products (missing pin, incorrect depth) are diverted to a dedicated reject bin — never passed downstream

HMI Production Monitoring

The MCGS touchscreen HMI provides real-time production visibility and parameter management:

• 30-day rolling data storage — hourly output, shift totals, reject counts, all with date/time stamp
• Parameter saving: machine settings are retained across power cycles
• Operator-friendly interface designed for fast fault diagnosis and recipe recall

Pin Insertion Quality Standard

Insertion accuracy is held to the dimensional tolerances specified by the customer. If the outer diameter of the rivet pin or the housing bore deviates beyond the agreed tolerance range — making correct insertion physically impossible — this falls outside the machine’s functional scope and should be addressed at the component supply level. Under normal incoming component quality, the machine delivers consistent, repeatable insertion that meets IEC 60947-2 assembly requirements.

See the Machine in Action

Watch the MCB Automatic Rivet Pin Insert Machine running in a live production environment:

https://www.youtube.com/watch?v=U_pudLJTCAQ

Who Is This Machine For?

This machine is the right fit for MCB manufacturers who are running or planning an inline automated assembly line for 1P and 2P products, want to eliminate manual pin insertion bottlenecks, require inline quality verification rather than post-process inspection, and need equipment that integrates seamlessly with existing chain plate conveyor systems.

For manufacturers running 3P or 4P products, a hybrid configuration is available — automatic insertion for 1P/2P with a manual assist station built into the same line layout.

Request a Technical Consultation

Every MCB assembly line has different product dimensions, conveyor configurations, and output targets. Benlong’s engineering team provides customised machine configurations based on your specific rivet pin dimensions, product range, and production volume. Contact us to discuss your requirements and receive a technical proposal.

Media Contact
Company Name: Benlong Automation Technology Co., Ltd.
Email: Send Email
Country: China
Website: https://www.benlongkj.com/