A self-cleaning fixture

Abstract

This utility model relates to the field of fixture technology, and in particular to a self-cleaning fixture, including a mounting frame, a fixed base, a storage base, a dust removal mechanism, and a panel. A first drive cylinder is mounted on the mounting frame, and its output end is connected to the outer wall of the fixed base. A second drive cylinder is mounted on the top of the fixed base, and its output end is connected to the bottom of the storage base. The panel is located above the storage base and has precision engraving holes. A third drive cylinder is mounted on the mounting frame, and its output end is connected to the dust removal mechanism. This utility model can perform a back-and-forth cleaning action before each product clamping, effectively removing residual dust, debris, and other contaminants from the panel and fixture surface, ensuring that the working area is clean before each CNC precision engraving process. This avoids scratches, dents, and other appearance defects caused by impurities during the processing of high-gloss products, while simultaneously achieving rapid, repeatable, and high-precision positioning of the product.

Description

Technical Field

[0001] This utility model relates to the field of jig technology, and in particular to a self-cleaning jig. Background Technology

[0002] In the processing of modern precision hardware products, especially when performing CNC engraving on products with high appearance requirements such as battery covers and decorative parts, the engraving quality of characters or patterns directly affects the product's appearance quality and market competitiveness. Traditional CNC machining fixtures usually only have basic positioning and clamping functions, which are difficult to meet the processing requirements of high precision and high cleanliness.

[0003] In actual production, dust, debris, and other impurities generated during previous processing or handling can easily accumulate on the surface of the jig and the processing area. If these contaminants are not effectively removed before processing, they will not only cause scratches, dents, and other appearance defects on high-gloss or mirror-finish products, but may also cause the engraving tool to deviate and wear more quickly, thus affecting the accuracy and consistency of character engraving, and even causing batch defects, increasing the risk of rework and scrap.

[0004] To address the aforementioned issues, a cleaning process is performed on the product before processing. However, this cleaning process is usually separate from the processing flow, and involves manual wiping or external air gun blowing. This not only increases labor intensity but also makes the timing of cleaning uncontrollable, failing to guarantee that the fixture is clean before each processing run, thus making it difficult to ensure the cleaning effect. Utility Model Content

[0005] This invention aims to at least solve the technical problems existing in the prior art. To this end, this invention proposes a self-cleaning fixture that ensures the working surface of the fixture is clean and dust-free before each processing, while achieving rapid and accurate positioning of the product, thus ensuring the stability and reliability of the CNC engraving process.

[0006] A self-cleaning fixture according to some embodiments of the present invention includes a mounting frame, a fixed base, a storage base, a dust removal mechanism, and a panel. A first driving cylinder is mounted on the mounting frame, and the output end of the first driving cylinder is connected to the outer wall of the fixed base to drive the fixed base to move horizontally. A second driving cylinder is mounted on the top of the fixed base, and the output end of the second driving cylinder is connected to the bottom of the storage base to drive the fixed base to move vertically. The panel is located above the storage base and has precision-engraved holes. A third driving cylinder is mounted on the mounting frame. The dust removal mechanism is located at the bottom of the panel, and the output end of the third driving cylinder is connected to the dust removal mechanism to drive the dust removal mechanism to move horizontally.

[0007] A self-cleaning fixture according to some embodiments of the present invention has at least the following beneficial effects: This invention features a dust removal mechanism driven by a third drive cylinder, positioned at the bottom of the panel. This mechanism performs a back-and-forth cleaning action before each product clamping, effectively removing residual dust, debris, and other contaminants from the panel and fixture surface. This ensures the work area is clean before each CNC engraving process, preventing scratches, dents, and other appearance defects on high-gloss products during processing. Simultaneously, the first drive cylinder horizontally positions the fixture, and the second drive cylinder vertically positions the placement seat. Combined with the precise matching of the engraving holes on the panel with the product's shape, this enables rapid, repeatable, and high-precision positioning of the product. It effectively controls the positional error of character engraving, improving product consistency and yield. Furthermore, the proactive dust removal before processing reduces dust entry into the engraving equipment or adhesion to the cutting tools, thereby reducing tool wear and equipment failure rates, extending equipment lifespan, and minimizing downtime for maintenance.

[0008] A self-cleaning fixture according to some embodiments of the present invention includes a base, wherein a plurality of positioning posts are provided along the edge of the base, and the top of each positioning post is connected to the bottom of the panel.

[0009] According to some embodiments of the present invention, a self-cleaning fixture is provided with a slide rail at the top of the base and a slider at the bottom of the fixed seat, the slider being slidably connected to the slide rail.

[0010] According to some embodiments of the present invention, a self-cleaning fixture is provided with a mounting platform protruding from the outer side of the mounting frame, a first driving cylinder is disposed at the bottom of the mounting platform, and a third driving cylinder is disposed at the top of the mounting platform.

[0011] According to some embodiments of the present invention, a self-cleaning fixture is provided with a plurality of first guide posts at the edge of the fixed base and a plurality of positioning holes at the edge of the placement base. The positioning holes are provided in a one-to-one correspondence with the first guide posts, and the first guide posts are inserted through the positioning holes.

[0012] According to some embodiments of the present invention, a self-cleaning fixture is provided at the bottom of the panel with a plurality of second guide posts, each of which corresponds to a positioning hole, and the second guide posts are located above the positioning holes.

[0013] According to some embodiments of the present invention, a self-cleaning fixture is provided on the top of the storage seat, and a plurality of positioning blocks are provided on the edge of the storage seat. The positioning blocks are all located on the outer periphery of the storage seat, and a positioning groove is provided on the side of the positioning block near the storage table. A protruding post is provided in the positioning groove.

[0014] According to some embodiments of the present invention, a self-cleaning fixture is provided, wherein the dust removal mechanism includes a mounting base, a hardware insert and a brush, wherein the mounting base is provided with a mounting groove, the hardware insert is disposed in the mounting groove, and the bottom of the brush is disposed in the hardware insert.

[0015] According to some embodiments of the present invention, a self-cleaning fixture is provided on the mounting base, the top of the air groove is connected to the top of the mounting base, and an air inlet is provided on the outside of the mounting base, the air inlet being connected to the air groove.

[0016] According to some embodiments of the present invention, a self-cleaning fixture is provided with two or more brushes, and each brush has an air groove on its outer periphery.

[0017] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0018] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which: Figure 1 This is a schematic diagram of the structure of an embodiment of the present utility model. Figure 1 .

[0019] Figure 2 This is a schematic diagram of the structure of an embodiment of the present utility model. Figure 2 .

[0020] Figure 3 This is a structural schematic diagram of the fixing base and the storage base according to an embodiment of the present utility model.

[0021] Figure 4 for Figure 3 An enlarged view of part A in the image.

[0022] Figure 5 This is a schematic diagram of the dust removal mechanism according to an embodiment of the present utility model.

[0023] Reference numerals: 1. Mounting bracket; 2. Fixed base; 3. Storage seat; 4. Dust removal mechanism; 5. Panel; 6. First drive cylinder; 7. Second drive cylinder; 8. Engraved hole; 9. Third drive cylinder; 10. Base; 11. Positioning post; 12. Slide rail; 13. Slider; 14. Mounting platform; 15. First guide post; 16. Positioning hole; 17. Second guide post; 18. Storage platform; 19. Positioning block; 20. Positioning groove; 21. Protruding post; 22. Mounting base; 23. Hardware insert; 24. Brush; 25. Mounting groove; 26. Air groove; 27. Air inlet. Detailed Implementation

[0024] The embodiments of this utility model are described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0025] In the description of this utility model, it should be understood that the orientation descriptions, such as up, down, left, right, front, and back, are based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the module or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0026] In the description of this utility model, the use of "first" and "second" is only for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features or the order of the technical features.

[0027] In the description of this utility model, unless otherwise explicitly defined, terms such as "setting," "installation," and "connection" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.

[0028] like Figures 1-5 As shown in the figure, this utility model embodiment provides a self-cleaning fixture.

[0029] A self-cleaning fixture includes a mounting frame 1, a fixed base 2, a storage base 3, a dust removal mechanism 4, and a panel 5. The mounting frame 1 is equipped with a first driving cylinder 6, the output end of which is connected to the outer wall of the fixed base 2 to drive the fixed base 2 to move horizontally. A second driving cylinder 7 is mounted on the top of the fixed base 2, the output end of which is connected to the bottom of the storage base 3 to drive the fixed base 2 to move vertically. The panel 5 is located above the storage base 3 and has precision-carved holes 8. A third driving cylinder 9 is mounted on the mounting frame 1. The dust removal mechanism 4 is located at the bottom of the panel 5, the output end of which is connected to the dust removal mechanism 4 to drive the dust removal mechanism 4 to move horizontally.

[0030] This invention features a dust removal mechanism 4 driven by a third drive cylinder 9, positioned at the bottom of the panel 5. This mechanism performs a back-and-forth cleaning action before each product clamping, effectively removing residual dust, debris, and other contaminants from the panel 5 and fixture surface. This ensures the work area is clean before each CNC engraving process, preventing scratches, dents, and other appearance defects on high-gloss products during processing. Simultaneously, the first drive cylinder 6 achieves horizontal positioning of the fixture, and the second drive cylinder 7 achieves vertical lifting and lowering positioning of the placement seat 3. Combined with the precise matching of the engraving holes 8 on the panel 5 with the product's shape, this enables rapid, repeatable, and high-precision positioning of the product, effectively controlling the positional error of character engraving and improving product consistency and yield. Furthermore, proactive dust removal before processing reduces dust entry into the engraving equipment or adhesion to the cutting tools, thereby reducing tool wear and equipment failure rates, extending equipment lifespan, and minimizing downtime for maintenance.

[0031] The working process of this utility model is as follows: the first drive cylinder 6 works, driving the fixed seat 2 to move outward in the horizontal direction. The operator or external automated equipment places the product to be processed on the placement seat 3. Then the first drive cylinder 6 works, driving the fixed seat 2 to reset. At the same time as the fixed seat 2 moves outward in the horizontal direction, the third drive cylinder 9 works synchronously, driving the dust removal mechanism 4 to clean the dust points at the bottom of the panel 5 back and forth. After the fixed seat 2 is reset, the second drive cylinder 7 works, driving the placement seat 3 to move upward. The CNC engraving machine begins to engrave the product to be processed through the engraving hole 8.

[0032] It is understandable that the action of the dust removal mechanism 4 is synchronized with the horizontal displacement of the first drive cylinder 6, and the self-cleaning process is completed by utilizing the time window of the fixed seat 2 movement. There is no need to add extra cleaning time, reducing manual intervention, reducing labor intensity, and improving the automation and integration level of the production line.

[0033] This embodiment of a self-cleaning fixture includes a base 10, with multiple positioning posts 11 along the edge of the base 10. The top of each positioning post 11 is connected to the bottom of the panel 5. Specifically, the multiple positioning posts 11 stably fix the panel 5 to the base 10, forming a rigid support structure. This ensures that the panel 5 does not deform or loosen during long-term, high-frequency use, improves the positional stability of the engraving hole 8, and thus ensures the consistency and safety of the engraving tool's path, improving processing repeatability accuracy.

[0034] In this embodiment, a self-cleaning fixture is provided, wherein a slide rail 12 is provided on the top of the base 10, and a slider 13 is provided on the bottom of the fixed seat 2, and the slider 13 is slidably connected to the slide rail 12. Specifically, the slide rail 12 and the slider 13 cooperate to form a guide structure, providing precise guidance and low-friction support for the horizontal movement of the fixed seat 2, ensuring that it runs smoothly and linearly under the action of the first drive cylinder 6, preventing deviation or jamming, and improving the reliability and lifespan of the fixture's opening and closing action.

[0035] This embodiment describes a self-cleaning fixture. The mounting frame 1 has a protruding mounting platform 14 on its outer side. The first drive cylinder 6 is located at the bottom of the mounting platform 14, and the third drive cylinder 9 is located at the top of the mounting platform 14. Specifically, the integrated mounting platform 14 is used to arrange the first drive cylinder 6 and the third drive cylinder 9, achieving a vertically layered spatial layout. This fully utilizes the fixture's peripheral space, avoids interference between the actuators, facilitates air circuit wiring and subsequent maintenance, and improves the overall structural compactness and assembly efficiency.

[0036] The self-cleaning fixture described in this embodiment has multiple first guide posts 15 along the edge of the fixed base 2 and multiple positioning holes 16 along the edge of the placement base 3. Each positioning hole 16 corresponds to one of the first guide posts 15, and each first guide post 15 passes through one of the positioning holes 16. Specifically, the first guide posts 15 and the positioning holes 16 cooperate to form a vertical guiding mechanism, providing precise guidance when the second drive cylinder 7 pushes the placement base 3 up and down, preventing the placement base 3 from tilting or wobbling, ensuring its lifting and lowering process is smooth and vertical, thereby improving product positioning accuracy and processing stability.

[0037] In this embodiment, a self-cleaning fixture is provided with multiple second guide posts 17 at the bottom of the panel 5. Each second guide post 17 corresponds to a positioning hole 16, and the second guide posts 17 are located above the positioning holes 16. Specifically, the second guide posts 17 extend from above to the area of ​​the positioning holes 16, forming a double-layer limiting structure together with the first guide posts 15. This further enhances the guiding and restraining ability of the placement seat 3, effectively suppressing the swaying of the placement seat 3 under equipment vibration or high-speed operation conditions, and improving the dynamic stability and repeatability of the overall system.

[0038] This embodiment describes a self-cleaning fixture. A platform 18 is provided on the top of the storage base 3. Multiple positioning blocks 19 are provided along the edge of the storage base 3, all located on the outer periphery of the storage base 3. A positioning groove 20 is formed on the side of each positioning block 19 closest to the platform 18, and a protruding post 21 is provided within the positioning groove 20. Specifically, the platform 18 is used to support the product to be processed. The multiple positioning blocks 19 and their positioning grooves 20, in conjunction with the protruding post 21, enable rapid positioning and limiting of different product models, improving versatility and clamping efficiency.

[0039] This embodiment describes a self-cleaning fixture. The dust removal mechanism 4 includes a mounting base 22, a metal insert 23, and a brush 24. The mounting base 22 has a mounting groove 25, the metal insert 23 is disposed within the mounting groove 25, and the bottom of the brush 24 is disposed within the metal insert 23. Specifically, the brush 24 is embedded in the metal insert 23, resulting in a stable structure that is not easily detached or deformed. Driven by the third drive cylinder 9, it reciprocates along the bottom of the panel 5, effectively removing fine dust adhering to the surface and crevices of the panel 5, achieving physical active dust removal and ensuring a clean and dust-free working surface before each processing step.

[0040] It is understood that the brush 24 is made of silicone or rubber. Specifically, the silicone or rubber brush has high elasticity and wear resistance, allowing it to adhere closely to the surface of the fixture for gentle cleaning. The silicone rubber and the metal insert 23 are integrally molded using a die-cutting process. The metal insert 23 provides structural support, enhancing the rigidity and deformation resistance of the component; the silicone rubber provides flexible cleaning functionality. The integral molding of the two components improves structural compactness, significantly enhances wear resistance and anti-aging properties, extends service life, and reduces equipment maintenance costs.

[0041] This embodiment describes a self-cleaning fixture. The mounting base 22 has an air groove 26, the top of which connects to the top of the mounting base 22. An air inlet 27 is located on the outer side of the mounting base 22 and communicates with the air groove 26. Specifically, compressed air is introduced into the air groove 26 through the air inlet 27, generating an upward airflow while the brush 24 is cleaning. This quickly blows the dust raised by the brush away from the bottom of the panel 5 and discharges it, achieving a combined brushing and blowing dust removal mode, significantly improving cleaning efficiency and thoroughness.

[0042] The self-cleaning fixture described in this embodiment includes two or more brushes 24, each with an air groove 26 on its outer periphery. Specifically, the air grooves 26 are interconnected, and air is supplied to multiple air grooves through an air inlet 27, expanding the cleaning coverage and enhancing the cleaning ability for complex structural areas. Each brush 24 has an independent airflow channel around it, ensuring that every cleaning area receives simultaneous airflow-assisted dust blowing, comprehensively improving dust removal uniformity and response speed.

[0043] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A self-cleaning fixture, characterized in that: The device includes a mounting frame, a fixed base, a storage base, a dust removal mechanism, and a panel. The mounting frame is equipped with a first drive cylinder, the output of which is connected to the outer wall of the fixed base to drive the fixed base to move horizontally. A second drive cylinder is located on top of the fixed base, its output connected to the bottom of the storage base to drive the fixed base to move vertically. The panel is located above the storage base and has precision-engraved holes. A third drive cylinder is mounted on the mounting frame. The dust removal mechanism is located at the bottom of the panel, and its output is connected to the dust removal mechanism to drive it to move horizontally.

2. The self-cleaning fixture according to claim 1, characterized in that: The device includes a base, and multiple positioning posts are provided along the edge of the base. The top of each positioning post is connected to the bottom of the panel.

3. A self-cleaning fixture according to claim 2, characterized in that: The top of the base is provided with a slide rail, and the bottom of the fixed seat is provided with a slider, which is slidably connected to the slide rail.

4. The self-cleaning fixture according to claim 1, characterized in that: The mounting bracket has a protruding mounting platform on its outer side. The first drive cylinder is located at the bottom of the mounting platform, and the third drive cylinder is located at the top of the mounting platform.

5. A self-cleaning fixture according to claim 1, characterized in that: The fixed base is provided with a plurality of first guide posts at its edge, and the placement base is provided with a plurality of positioning holes at its edge. The positioning holes are provided in a one-to-one correspondence with the first guide posts, and the first guide posts are inserted through the positioning holes.

6. A self-cleaning fixture according to claim 5, characterized in that: The bottom of the panel is provided with a plurality of second guide posts, each of which corresponds to a positioning hole, and the second guide posts are located above the positioning holes.

7. A self-cleaning fixture according to claim 1, characterized in that: The top of the storage seat is provided with a storage platform, and multiple positioning blocks are provided along the edge of the storage seat. The positioning blocks are all located on the outer periphery of the storage seat. A positioning groove is opened on the side of the positioning block near the storage platform, and a protruding post is provided in the positioning groove.

8. A self-cleaning fixture according to claim 1, characterized in that: The dust removal mechanism includes a mounting base, a hardware insert, and a brush. The mounting base has a mounting groove, the hardware insert is disposed in the mounting groove, and the bottom of the brush is disposed in the hardware insert.

9. A self-cleaning fixture according to claim 8, characterized in that: The mounting base has an air groove, the top of which is connected to the top of the mounting base. An air inlet is provided on the outside of the mounting base, and the air inlet is connected to the air groove.

10. A self-cleaning fixture according to claim 9, characterized in that: The brush is provided in two or more parts, and the air groove is provided on the outer periphery of each brush.

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