Pulp Molding Robot Transfer Device with Vacuum Chucks
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Solution Overview
Problem
Existing pulp molding production lines face inefficiencies due to the inability of robots to simultaneously transfer wet pulp and acquire and release products, leading to low production efficiency.
Innovation Solution
A pulp molding production line that includes a molding machine, a pulp molding robot with a transfer device, and a press, where the transfer device uses a wet pulp transfer mold with a sealed gas chamber and vacuum chucks to simultaneously transfer wet pulp and products, improving efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a robot is used to transfer wet pulp and acquire/release products sequentially, then the robot structure remains simple, but production efficiency is low due to inability to perform simultaneous operations
Solution Approach 1:
The patent combines the wet pulp transfer function and product acquisition/release function into a single transfer device mounted on the robot. The transfer device includes a transfer mold with vacuum chucks that can simultaneously hold wet pulp and products, allowing both operations to occur at the same time rather than sequentially, thus resolving the contradiction between productivity improvement and device complexity.
Solution Approach 2:
The transfer device is designed with multi-functionality to perform both wet pulp transfer and product acquisition/release operations. The vacuum chuck system can adapt to different objects (wet pulp and finished products) through the same basic mechanism, enabling the device to handle multiple tasks without requiring separate dedicated mechanisms for each function.
2Productivity
If the robot moves frequently to transfer wet pulp and acquire products, then transfer operations can be completed, but the service life of the robot is reduced
Solution Approach 1:
The transfer device is pre-equipped with vacuum chucks and a sealed gas chamber system that can simultaneously grasp both wet pulp and products. This preliminary preparation of the gripping mechanism allows the robot to perform transfer operations without needing to reposition or reconfigure between tasks, reducing the frequency of robot movement and extending its service life while maintaining high productivity.
3Productivity
If only one action is executed at a time by the transfer device, then the device structure remains simple, but production efficiency is limited
Solution Approach 1:
The sealed gas chamber acts as an intermediary mechanism that transmits vacuum pressure to multiple vacuum chucks simultaneously. This intermediary system enables the transfer device to perform multiple actions at once by distributing the vacuum force through the gas chamber to various gripping points, allowing simultaneous wet pulp transfer and product acquisition without requiring complex independent control systems for each action.
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 solution enables simultaneous wet pulp transfer and product acquisition, significantly improving production efficiency, reducing the need for robot movement, and extending the service life of the robot.
Implementation Method 1
several evenly spaced vacuum chucks are provided on the moving rack, and the vacuum chucks and the sealed gas chamber are connected to a vacuumizing system, respectively
Data Source
AI summary
Provided is a pulp molding production line, comprising at least one molding machine and pulp molding robot and at least one press, wherein the molding machine, the pulp molding robot and the press are sequentially arranged, a transfer device is installed on the pulp molding robot, the transfer device comprises a wet pulp transfer mold provided with a sealed gas chamber therein, the front of the wet pulp transfer mold is provided with at least one recessed matching chamber that can fit over the external of a wet pulp product and is recessed to the sealed gas chamber side, the recessed matching chamber matches the wet pulp product, several interfacing apertures for communicating or connecting the recessed matching chamber with the sealed gas chamber are respectively formed on the inner wall of each recessed matching chamber and the bottom of the recessed matching chamber, a moving rack parallel to the wet pulp transfer mold is connected to the back of the wet pulp transfer mold through a guide mechanism, a driver is connected between the back of the wet pulp transfer mold and the moving rack, the driver drives the moving rack to move relative to the wet pulp transfer mold, and several evenly spaced vacuum chucks are provided on the moving rack.