How Does a Double Toggle Jaw Crusher Operate? (With Animation)
Time:
23 August 2021
A double toggle jaw crusher operates using a mechanism with two toggle plates that help to control the movement of the jaw, allowing it to crush materials effectively. Here’s a detailed breakdown of its operation, along with an explanation of how an animation would depict it:
1. Main Components:
- Fixed Jaw: The stationary surface against which the material is crushed.
- Swing Jaw: The movable jaw that exerts force on the material to break it.
- Toggle Plates: Two toggle plates connect the swing jaw to the rest of the crusher frame. These plates apply force and amplify the motion of the swing jaw.
- Pitman: The component that drives the movement of the swing jaw, connected to the eccentric shaft.
- Eccentric Shaft: A shaft with an offset center that rotates to cause an oscillating motion.
2. Working Principle:
- In a double toggle jaw crusher, the eccentric shaft causes the swing jaw to move in a reciprocating motion.
- The toggle plates alternately compress the swing jaw against the fixed jaw, creating a crushing action.
- When the swing jaw moves forward, it crushes the material; when it retracts, the crushed material moves downward, allowing for continuous crushing and discharge through the bottom of the machine.
- The movement is more complex compared to a single-toggle jaw crusher, resulting in a more precise crushing action and higher load distribution.
3. Animation Explanation:
- In an animation, you would see the eccentric shaft rotating, which sets the pitman in motion.
- This motion is transferred to the swing jaw via the toggle plates, causing it to move back and forth against the fixed jaw.
- The material between the jaws is compressed during the forward motion of the swing jaw and released as it moves back.
- Broken material drops through the bottom opening during the backward motion.
- You’d also notice how the toggle plates act as a safety mechanism; they break if the load exceeds the crusher’s capacity, preventing damage to other parts of the machine.
4. Key Advantages of Double Toggle Jaw Crusher:
- Efficient crushing with higher capacity due to its more robust crushing action.
- Better durability since the motion is evenly distributed across toggle plates, minimizing wear.
- Safety feature: The toggle plates act as built-in safeguards against overloading.
By pairing the visual animation of moving components with the above explanation, the operation of a double toggle jaw crusher can be well understood. Animations typically highlight the motion paths of the swing jaw, the interaction of toggle plates, and the material flow for better clarity.
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Shanghai Zenith Mineral Co., Ltd. is a leading manufacturer of crushing and grinding equipment in China. With more than 30 years of experience in the mining machinery industry, Zenith has built a strong reputation for delivering high-quality crushers, mills, sand-making machines, and mineral processing equipment to customers around the world.
Headquartered in Shanghai, China, Zenith integrates research, production, sales, and service, providing complete solutions for aggregates, mining, and mineral grinding industries. Its equipment is widely used in metallurgy, construction, chemical engineering, and environmental protection.
Committed to innovation and customer satisfaction, Shanghai Zenith continues to advance in intelligent manufacturing and green production, offering reliable equipment and comprehensive after-sales service to help clients achieve efficient and sustainable operations.
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