Filter Press Drawplate Mechanism With Torsion Spring Return
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Solution Overview
Problem
Existing plate pulling machines for pressure filters have complex structures, requiring extensive maintenance and making maintenance inconvenient.
Innovation Solution
A plate pulling machine with a simple structure comprising a base, plate-removing and plate-pulling ears, rotating shafts with torsion springs, a bolt sleeve, and a deflector rod, allowing for effective and reliable movement of filtering plates using a drive chain and motor operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If complex plate pulling machines with multiple components are used, then the filtering plate movement function is achieved, but the structure becomes too complex and maintenance becomes difficult
Solution Approach 1:
The plate pulling machine is divided into distinct functional modules: the support table for holding plates, the drive mechanism with motor and chain for movement, the clamp mechanism with arms and clamps for securing plates, and the elevation mechanism with hydraulic or electric actuators for vertical movement. Each module can be independently maintained and replaced, reducing overall system complexity while maintaining reliability.
Solution Approach 2:
The support table serves multiple functions: it holds the filtering plates during processing, acts as a mounting surface for the drive mechanism, provides a base for the clamp mechanism, and serves as the structure that is elevated during plate removal. This multi-functionality reduces the number of separate components needed, simplifying the overall structure while maintaining comprehensive functionality.
2Reliability
If complex plate pulling machines with multiple components are used, then the filtering plate movement function is achieved, but the maintenance requirement increases and maintenance convenience decreases
Solution Approach 1:
The machine is segmented into modular components (drive mechanism, clamp mechanism, elevation mechanism, support table) that can be independently accessed and maintained. The motor and chain drive are housed in accessible compartments, the clamp arms can be independently adjusted, and the elevation actuators are positioned for easy service. This modular segmentation enables targeted maintenance without requiring disassembly of the entire machine, significantly improving maintenance convenience.
Solution Approach 2:
The clamp mechanism incorporates self-adjusting features where the clamp arms automatically return to their open position via spring force after clamping, and the chain drive is designed with accessible tensioning mechanisms that can be adjusted by operators during routine maintenance. These self-service features reduce the need for complex manual adjustments and professional intervention, making maintenance more convenient.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The machine achieves efficient and reliable movement of filtering plates with reduced maintenance complexity, featuring a straightforward design that enhances operational efficiency and ease of maintenance.
Implementation Method 1
the plate-removing spring is a torsion spring wrapped on the plate-removing rotating shaft, the plate-pulling spring is a torsion spring wrapped on the plate-pulling rotating shaft
Data Source
Figure 1~2
AI summary
A drawplate mechanism for filter press comprises a base (1), a holder (16) fixed on the top of the base (1), a pair of withdrawal plate mounting ears (15) and corresponding a pair of drawplate mounting ears (9) fixed on two sides of the top of the holder (16). A withdrawal plate support (14) is installed on top of the two withdrawal plate mounting ears (15) by a withdrawal plate shaft (13), the withdrawal plate support (14) is supported by a withdrawal plate spring (12); a drawplate support (11) is installed on top of the two drawplate mounting ears (9) by a drawplate shaft (8), the drawplate support (11) is supported by a drawplate spring (10). A bolt sheath support (2) is outside of the drawplate support (11) on the holder (16). A bolt sheath (5) is fixed on top of the bolt sheath support (2). In the bolt sheath (5), a bolt (3) can translate along the axis which is coaxial with the axis of the bolt sheath (5). A driving lever movement groove (6) with through-hole is on one side of the bolt sheath (5), a driving lever (4) is in fixed connection with the bolt (3) in the driving lever movement groove (6). The withdrawal plate spring (12) and the drawplate spring (10) are torsion spring. The bolt (3) can insert into the entrance of the bolt (7) on the drawplate support (11).