Roll Press Pin Sliding Mechanism for Uniform Granule Formation
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Solution Overview
Problem
Conventional press type apparatuses for forming raw materials into granulated materials, such as tablets and briquettes, face limitations due to small pin clearance, which restricts pin movement and interferes with increased production, resulting in limited capacity and non-uniform product shapes.
Innovation Solution
The apparatus allows pressing pins to slide circumferentially on separate supporting members, enabling increased pin and member numbers, thus enhancing production capacity and ensuring uniform shape formation by configuring the pins to slide on the members, eliminating circumferential displacement issues and interference.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the number of pins is increased to increase production, then productivity increases, but the pins interfere with each other due to limited clearance
Solution Approach 1:
The pin support members are made movable relative to the pins, allowing the support members to adjust their position dynamically. This dynamic adjustment prevents pin interference while enabling increased pin density for higher productivity.
Solution Approach 2:
The support structure is segmented into multiple independent support members, each capable of independent movement. This segmentation allows each pin to have its own dedicated support that can adjust independently, preventing interference between adjacent pins.
2Manufacturing precision
If the clearance between pins and holes is kept very small for precision, then manufacturing precision is improved, but pin displacement cannot be absorbed during pressing and ejection
Solution Approach 1:
A support member is introduced as an intermediary element between the pin and the hole. This intermediary absorbs the displacement through its own movement, allowing the pin to maintain precise positioning while accommodating necessary movements during pressing and ejection.
Solution Approach 2:
The support member is designed to be movable, providing dynamic adjustment capability. This allows the system to maintain precision while adapting to displacement requirements during different operational phases.
3Productivity
If the number of rods for moving pins is increased to increase production, then productivity increases, but the rods interfere with each other
Solution Approach 1:
The movement function is extracted from the pin itself and transferred to a separate support member. This separation eliminates the need for rods that would interfere with each other, as each support member moves independently without requiring connecting rods.
Solution Approach 2:
The support members are designed with inherent movement capability without requiring external rods. This dynamic design allows multiple support members to operate independently without interference, enabling increased production capacity.
Data Source
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AI summary
To provide a method for pressing and forming a raw material into a granulated material and a press type apparatus for forming a raw material into a granulated material to effectively produce tablets that have a uniform shape. A method for pressing and forming a raw material into a granulated material by a pair of rolls (1, 2) is described, wherein at least one of the rolls of the pair of rolls has a predetermined number of holes (16) for forming the granulated material on an outer surface thereof, and pressing pins (17), which are inserted into respective holes, and a predetermined number of members (18) for supporting the pins are installed in the one of the rolls of the pair of rolls, the members for supporting the pressing pins being configured to be separate from the pressing pins so that the pressing pins slide on the members for supporting the pressing pins; and wherein the granulated material is ejected by the pressing pins as the pressing pins slide on the members for supporting the pins. A press type apparatus for forming a raw material into a granulated material by a pair of rolls comprises the pair of rolls in which pressing pins, which are inserted into respective holes for forming the granulated material, and a predetermined number of members for supporting the pins, which members are configured to be separate from the pins, are installed.