Introduction
In the process of industrial automation, linear guides serve as key components for precision motion control, with their technological quality directly impacting the stability and service life of equipment. Over the past twenty years, DLY has been deeply engaged in the field of rolling functional components, accumulating a wealth of patent achievements in the research and manufacturing of linear guides. This article presents an overview of 11 utility patents that DLY has obtained for linear guides, showcasing the full spectrum of technical innovation and the craftsmanship spirit behind these advancements-from research objectives to patent value.
1. Patent Title: A Roller Linear Guide Facilitating Easy Disassembly and Assembly
Patent Number: CN216618272U
Technical Field
The utility model relates to the technical field of linear guides, specifically to a roller linear guide designed for easy disassembly and assembly.
Background Technology
Linear guides, also known as linear rails, slide rails, or linear motion guides, are used in applications requiring reciprocating linear motion. They can bear certain torque and achieve high-precision linear movement under high load conditions. Linear guides can generally be categorized into three types: roller linear guides, cylindrical linear guides, and ball linear guides. They are used to support and guide moving components to perform reciprocating linear motion along a given direction. According to the type of friction involved, linear motion guides can be further divided into sliding friction guides, rolling friction guides, elastic friction guides, and fluid friction guides.
In existing linear guides, the slider is usually designed as an integrated structure. Although such an integrated slider offers high structural strength, it is inconvenient to detach from or install onto the rail, which complicates subsequent maintenance. Therefore, there is a need to provide a roller linear guide that facilitates easy disassembly and assembly.
Summary of the Utility Model
The purpose of the present utility model is to provide a roller linear guide that facilitates easy disassembly and assembly. It improves the inconvenience associated with the removal and installation of sliders in existing linear guides, allowing the slider to be easily detached and reinstalled, thereby simplifying maintenance and addressing the issues raised in the background technology.
2. Patent Title: A Guide Rail for Machine Tool Protective Doors
Patent Number: CN209970254U
Technical Field
The utility model relates to the technical field of protective door guide rails, specifically to a guide rail for machine tool protective doors.
Background Technology
Protective doors of machine tools primarily serve as safety barriers. During machining, closing the protective door can prevent operators from being exposed to operational hazards and also prevent cutting fluids, chips, and other debris from splashing out, which could contaminate the floor or cause bodily injury. Protective doors generally utilize guide rails to achieve sliding connections between the door and the machine tool.
However, in existing protective door guide rails, severe wear occurs between the slider and the rail after prolonged use, necessitating replacement. The replacement of conventional protective door guide rails is costly and inconvenient. Therefore, there is a need to provide an improved guide rail for machine tool protective doors.
Summary of the Utility Model
The purpose of the present utility model is to provide a guide rail for machine tool protective doors, addressing the issues described in the background technology by improving serviceability and reducing maintenance difficulty.
3. Patent Title: A Door Guide Rail Facilitating Lubrication
Patent Number: CN209424957U
Technical Field
The utility model relates to the technical field of machine tool protective door accessories, specifically to a door guide rail designed to facilitate lubrication.
Background Technology
CNC machine tools are essential equipment for mechanical processing. To ensure safe operation during machining, protective doors are installed at the machining ports of machine tools. These protective doors adopt a sliding structure, making the guide rail a key component of the door assembly.
1.In existing protective doors, the sliding components often perform poorly over time, leading to jamming. Additionally, the large weight and volume of these sliding components increase the load and occupy space, reducing operational efficiency.
2.The sliding components of conventional protective doors require lubrication, but they are generally inconvenient to lubricate.
Therefore, there is a need to provide a door guide rail that facilitates lubrication.
Summary of the Utility Model
The purpose of the present utility model is to provide a door guide rail that facilitates lubrication, addressing the issues mentioned in the background technology and improving the operational performance and maintenance convenience of protective doors.
4. Patent Title: A Simple Linear Guide Device
Patent Number: CN208734727U
Technical Field
The utility model relates to a linear guide device, specifically to a simple and highly interchangeable linear guide device, belonging to the field of mechanical processing.
Background Technology
The function of linear guide motion is to support and guide moving components, allowing them to perform reciprocating linear motion along a predetermined direction. According to the type of friction involved, linear motion guides can be classified into sliding friction guides, rolling friction guides, elastic friction guides, and fluid friction guides.
Linear bearings are widely used in automation machinery, such as machine tools, bending machines, and laser welding machines, and are generally paired with linear shafts. Linear guides, in particular, are applied in machinery with high precision requirements. The moving and fixed elements of a linear guide operate without an intermediate medium. However, existing linear guide devices on the market often have complex structures and poor interchangeability.
To address these issues, the present utility model proposes a simple linear guide device.
5. Patent Title: A Cylindrical Linear Guide
Patent Number: CN208236899U
Technical Field
The utility model relates to a cylindrical linear guide, specifically a cylindrical linear guide with locking and positioning functions and automatic lubrication capability, belonging to the field of guide rails.
Background Technology
Currently, rolling linear guide assemblies offer high motion precision, are easy to maintain, have a long service life, and are convenient to use. They can be produced in a standardized manner and can withstand loads and torques in all directions except along the rail direction. To meet production needs, researchers have designed various modified forms, leading to widespread application across multiple industries.
Rolling linear guide assemblies are typically paired with stepper motors or servo motors. The guide rails are mounted on the machine frame, and in a stationary state, the workpiece is generally fixed via the self-locking function of threaded components. Conventional linear guides, however, generally lack automatic lubrication functionality.
Summary of the Utility Model
To address these issues, the present utility model proposes a cylindrical linear guide.
6. Patent Title: Anti-Slip Block on a Linear Guide
Patent Number: CN207750376U
Technical Field
The utility model relates to an anti-slip block on a linear guide, belonging to the technical field of mechanical equipment.
Background Technology
Linear guides can be classified into three types: roller linear guides, cylindrical linear guides, and ball linear guides. They are used to support and guide moving components, allowing reciprocating linear motion along a predetermined direction. According to the type of friction involved, linear motion guides can further be divided into sliding friction guides, rolling friction guides, elastic friction guides, and fluid friction guides.
Existing technology discloses an anti-slip block for linear guides under Application No. 201320027880.2. It includes a main body with a sliding groove that can be mounted on the linear guide rail and bolt holes on the side of the main body for fixing to the rail. This design is simple, reasonable, and can restrict the sliding stroke of the slider, effectively preventing the slider from falling off the rail and providing good safety performance.
However, the anti-slip effect of its structure is not ideal, and it is inconvenient to assemble and disassemble.
Summary of the Utility Model
In view of the shortcomings in existing technology, the purpose of the present utility model is to provide an anti-slip block on a linear guide that addresses these issues, improving safety and ease of maintenance.
7. Patent Title: Cross-Roller Linear Guide Slider Base
Patent Number: CN202597461U
Technical Field
The utility model relates to a cross-roller linear guide slider base.
Background Technology
Cross-roller linear guide slider bases are widely used in industrial manufacturing. In traditional designs, the slider structure is integrated as a single piece, resulting in high manufacturing costs, complex processing, and long production cycles. Moreover, once damaged during use, the slider cannot be replaced individually.
Summary of the Utility Model
The purpose of the present utility model is to provide a cross-roller linear guide slider base that overcomes the issues of traditional designs, where the integrated slider structure leads to high manufacturing costs, complex processes, and long production cycles.
8. Patent Title: A Linear Guide
Patent Number: CN206539607U
Technical Field
The utility model relates to the technical field of mechanical transmission, specifically to a linear guide.
Background Technology
With continuous research and development of precision feed systems, linear motion technology and its products have become crucial components in many precision machinery applications. Various linear mechanism products have been widely adopted in daily life, manufacturing plants, and high-tech equipment-for example, linear guides.
A typical linear guide mainly comprises a rail and a slider that slides on the rail. The slider is provided with rolling surfaces relative to the rail, and rolling elements are arranged between the rail and the slider.
In practical applications, linear guides are often used in factory environments with a large amount of dust. If dust or foreign particles enter the guide, they can scratch the rolling components or rails during motion, leading to reduced motion accuracy or lag of the linear guide.
Currently, no effective solution has been proposed to address these issues in the existing technology.
Summary of the Utility Model
The purpose of the present utility model is to provide a linear guide that overcomes the aforementioned problems in the prior art.
9. Patent Title: A Gantry-Type Linear Guideway Grinding Machine
Patent Number: CN202367557U
Technical Field
The utility model relates to a gantry-type linear guideway grinding machine.
Background Technology
Currently, grinding machines on the market generally consist of a bed, a bed body, a worktable, and a work carriage, and typically use a moving workpiece method. As common mechanical processing equipment, these machines face several challenges. Due to the long length of linear guides, they are prone to deformation. The movement of the entire workpiece consumes significant power and occupies substantial working space.
At present, linear guides are usually processed with a single clamping and a single grinding operation. When using coarse-grained grinding wheels, the ground surface of the guide may be too rough to meet requirements, affecting guideway motion precision and lowering production efficiency. During operation, linear guides may exhibit crawling, poor rolling, and other issues, which negatively impact product quality.
Summary of the Utility Model
The purpose of the present utility model is to provide a gantry-type linear guideway grinding machine that improves the production efficiency and manufacturing precision of rolling linear guides, reduces energy consumption, simplifies processing, and is easy to implement, thereby overcoming the deficiencies of existing products on the market.
10. Patent Title: A Slider with a Double-Layer Brush Dustproof Cover
Patent Number: CN208702916U
Technical Field
The utility model relates to the technical field of sliders, specifically to a slider equipped with a double-layer brush dustproof cover.
Background Technology
A slider is a mold component capable of sliding vertically or at a certain angle relative to the mold opening and closing direction during mold operation. Sliders are necessary when the mold design prevents normal demolding without their use.
However, sliders currently available on the market have complex structures and single functions. In existing technology, when a slider slides along the rail, its position cannot be fixed. This makes it inconvenient to assemble and disassemble the dustproof cover. Additionally, the brush at the bottom of the dustproof cover cleans the rail poorly, and the slider cannot be cushioned when subjected to impact during movement.
Summary of the Utility Model
The purpose of the present utility model is to provide a slider with a double-layer brush dustproof cover to address the issues mentioned in the background technology, improving dustproof performance, ease of maintenance, and operational safety.
11. Patent Title: A High-Precision Linear Guide
Patent Number: CN208703531U
Technical Field
The utility model relates to the technical field of guide devices, specifically to a high-precision linear guide.
Background Technology
A linear guide is a novel type of guide used for reciprocating motion, also known as a linear rail. It can maintain high-precision linear motion while bearing certain torque and provides high repeatability in positioning. The main function of a linear guide is to guide and support moving components, and it has wide applications.
However, existing linear guides have several shortcomings:
Lubrication performance is inadequate, causing high friction during slider movement, which leads to wear of the guide.
They lack built-in limiting devices; external limit blocks are difficult to fix accurately, reducing positional precision.
Existing guides lack wear resistance, heat resistance, and corrosion resistance, making them prone to wear and corrosion over long-term use.
Summary of the Utility Model
The purpose of the present utility model is to provide a high-precision linear guide that addresses the above-mentioned issues, improving lubrication, wear resistance, and positional accuracy.
Summary of DLY's 11 Utility Patents on Linear Guides
Over the past two decades, DLY has accumulated significant intellectual property in the field of linear guides, reflecting its commitment to precision engineering and industrial automation. The 11 utility patents cover a wide range of innovations, including roller and cylindrical linear guides, sliders with enhanced dustproof and lubrication features, cross-roller slider bases, anti-slip blocks, high-precision linear guides, and gantry-type grinding machines.
These patents address critical challenges in linear motion systems, such as ease of assembly and maintenance, lubrication efficiency, wear and corrosion resistance, positional accuracy, safety, and overall operational stability. By introducing features like double-layer brush dustproof covers, automatic lubrication, modular and interchangeable slider designs, and improved guideway grinding methods, DLY has enhanced the performance, reliability, and manufacturability of its linear guides.
Collectively, these patents not only demonstrate DLY's technological leadership but also embody the company's craftsmanship spirit, ensuring that its linear guide products deliver precision, durability, and efficiency across diverse industrial applications.
Discover the DLY Advantage
Experience the precision, reliability, and innovation of DLY linear guides for your industrial automation needs. Whether you require high-precision motion, easy maintenance, or enhanced durability, our patented solutions are designed to optimize your machinery performance. Explore our range of linear guide products and see how DLY's expertise can elevate your operations. Contact us today to discuss your requirements and request a personalized solution.
