Universal Key Clamp Structure for Multi-Type Key Clamping

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Solution Overview

Problem

Existing key clamps for key processing machines have singular functions, leading to poor general-purpose performance and requiring multiple special-purpose clamps or complex modules, resulting in high costs, installation issues, and low efficiency.

Innovation Solution

A key clamp design featuring a base with two clamps arranged in parallel, each with at least three clamping jaws and a transmission device, allowing for multiple clamping shapes and configurations to accommodate various key types, including house, automotive, and specialized keys, with a limiting component and drive device for secure clamping.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If multiple special-purpose clamps are provided to support multiple types of keys, then the adaptability improves, but the device complexity and cost increase

Engineering Contradiction:
Improveclamp adaptabilityVSAvoidclamp system complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent implements a universal clamp body that can accommodate multiple key types through adjustable clamping jaws. The clamp body serves multiple functions by allowing different combinations of fixed and movable clamping jaws to be positioned, enabling it to clamp various key shapes (flat keys, round keys, hexagonal keys, etc.) with a single device structure, thereby eliminating the need for multiple special-purpose clamps.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The patent employs movable and adjustable clamping jaws that can be positioned at different locations on the clamp body. This dynamic adjustment capability allows the clamp to adapt its clamping shape and configuration according to different key types, transforming a static single-function clamp into a dynamic multi-functional device.

Inventive Principle:
Principle #15Dynamics

2Adaptability or versatility

If multiple special-purpose clamps are provided, then the adaptability improves, but the ease of operation deteriorates due to mounting and change troubles

Engineering Contradiction:
Improveclamp adaptabilityVSAvoidclamp operation convenience
Core Design Contradiction:
Adaptability or versatilityVSEase of operation

Solution Approach 1:

By designing a single universal clamp body that can perform multiple clamping functions through internal adjustment, the patent eliminates the need to physically replace different clamps for different key types. The operator can simply adjust the position of movable clamping jaws within the same clamp body, significantly improving operational convenience while maintaining adaptability.

Inventive Principle:
Principle #6Universality (Multi-functionality)

3Adaptability or versatility

If a multitude of small modules are used, then the adaptability improves, but the device complexity increases due to many parts

Engineering Contradiction:
Improveclamp adaptabilityVSAvoidnumber of parts
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent merges multiple clamping functions into a single integrated clamp body structure. Instead of using separate small modules that need to be assembled and disassembled, the design combines fixed clamping jaws, movable clamping jaws, and adjustment mechanisms into one unified structure, reducing the total number of parts while maintaining the ability to handle various key types.

Inventive Principle:
Principle #5Merging (Combining)

4Adaptability or versatility

If multiple special-purpose clamps are provided, then the adaptability improves, but the loss of time increases due to low efficiency

Engineering Contradiction:
Improveclamp adaptabilityVSAvoidclamp change time
Core Design Contradiction:
Adaptability or versatilityVSLoss of time

Solution Approach 1:

The universal clamp body with adjustable clamping jaws eliminates the time-consuming process of replacing different clamps for different key types. The operator can quickly adjust the movable clamping jaws to the required position within the same clamp body, dramatically reducing setup time and improving processing efficiency while maintaining the ability to handle diverse key types.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The clamp body is pre-designed with multiple positioning locations and adjustment mechanisms that allow quick reconfiguration. The movable clamping jaws can be rapidly repositioned to predetermined locations, enabling fast adaptation to different key types without time-consuming assembly or adjustment procedures.

Inventive Principle:
Principle #10Preliminary action

Data Source

PatentUS11351656B2Key clamp for key processing machines and a key processing machine
Publication Date: 2022.06.07 ZHEJIANG UNIONX ELECTRIC MACHINERY TECHNOLOGY CO LTD
  • US11351656B2 patent drawing
  • US11351656B2 patent drawing

AI summary

A key clamp for key processing machines and key processing machine comprising a base, a first clamp and a second clamp, have the same structure and are arranged in parallel on the base, and they both have a fixed connection with the base. The first clamp comprises at least three clamping jaw and a transmission device, three clamping jaws arranged in one row, the first clamping jaw and the third clamping jaw are both fixed in relation to the base. The second clamping jaw is flexibly installed on the base. The transmission device penetrates the first clamping jaw, the second clamping jaw and the third clamping jaw, and are connected to the second clamping jaw. The key clamp can clamp house keys and automotive keys with a multitude of structures. It has the advantages of strong versatility, simple structure, easy use and reliable clamping.