Bag Head Forming Apparatus With Independent Motor Segmentation
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Solution Overview
Problem
Existing apparatuses for forming the head of bags for alimentary pasta and granular products are complex and inefficient, requiring a single motor to operate multiple mechanisms, leading to a more complicated and slower packaging process.
Innovation Solution
The apparatus employs independent electric motors and connecting rod transmissions to control the formation and deflation of the bag head, allowing for quick and precise motor control, with separate motors for forming, displacing spears, and deflating the bag, reducing complexity and increasing production efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a single motor is used to operate all mechanisms for forming the bag head, then the device complexity is reduced, but the productivity and response speed deteriorate due to the complicated and slower packaging process
Solution Approach 1:
The patent divides the motor control system into three independent motors (12, 16, 22), each controlling a specific function: motor 12 controls the spears for forming, motor 16 controls the displacement mechanism, and motor 22 controls the press for deflating. This segmentation allows each motor to operate independently and simultaneously, eliminating the sequential operations required by a single motor system, thereby increasing productivity while maintaining manageable device complexity through modular control.
2Ease of operation
If a single motor controls all forming mechanisms, then the ease of operation is improved, but the response speed and precision deteriorate
Solution Approach 1:
By segmenting the control system into three independent motors, each motor can be optimized for its specific function with dedicated control circuits, achieving both ease of operation (each motor controls one function) and high response speed (simultaneous independent operation without sequential delays).
Solution Approach 2:
The connecting rod transmissions are pre-configured in the mechanical structure to convert rotational motion into the required linear motion for each mechanism. This preliminary mechanical arrangement ensures that when each motor activates, the motion is immediately and precisely transmitted to the corresponding component (spears, displacement mechanism, or press), achieving quick and accurate response without requiring complex electronic control sequences.
3Manufacturing precision
If complex transmission mechanisms are used to coordinate multiple functions, then the manufacturing precision is improved, but the device complexity increases
Solution Approach 1:
The patent segments the transmission system into three simple connecting rod mechanisms, each dedicated to one motor's output transmission. This avoids the need for a single complex transmission system that would require intricate coordination, while still achieving precise control through simple, reliable mechanical linkages that are easier to manufacture and maintain.
Solution Approach 2:
The patent replaces complex electronic control and coordination systems with simple mechanical connecting rod transmissions. The mechanical linkage inherently provides the necessary motion transformation and coordination through its physical structure, eliminating the need for complex electronic sensors, controllers, and software algorithms that would increase device complexity while maintaining manufacturing precision.
Data Source
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AI summary
An apparatus for forming the head (1) of a bag (2) for foods is described. The apparatus comprises a press (20) for deflating the head of the bag and a pair of spears (11) for forming the head of the bag, a first electric motor (22) for moving the press and a second electric motor (12) for moving said pair of spears to form the head of the bag.