Waterproof material conveying device for water cutting platform
By using non-metallic bearings and a double-sealed waterproof structure in the material conveying device of the waterjet cutting platform, the problems of rusting of metal bearings and abrasive affecting rotation are solved, achieving waterproof and smooth rotation of the bearings and extending the service life of the equipment.
Patent Information
- Application Number
- CN202423162630.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-20
- Publication Date
- 2025-12-09
- Estimated Expiration
- 2034-12-20
AI Technical Summary
In existing waterjet cutting platforms, the metal bearings rust due to prolonged contact with water, requiring frequent replacement, and the abrasive also affects the rotation efficiency.
It adopts a non-metallic bearing mechanism and sealing mechanism, using a bearing outer ring, inner ring, and limiting ring made of polyoxymethylene (POM) material and bearing balls made of glass material, combined with a sealing ring made of polytetrafluoroethylene (PTFE) to form a double-sealed waterproof structure.
It effectively prevents water from contacting the bearing, avoids rust, ensures smooth bearing rotation, reduces maintenance frequency, and improves equipment life and efficiency.
Smart Images
Figure CN223645634U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of waterjet cutting technology, and in particular to a waterproof material conveying device for a waterjet cutting platform. Background Technology
[0002] Waterjet cutting, also known as water jet cutting, is a cutting technique that uses high-pressure water jets. Water is pressurized to hundreds or even thousands of atmospheres and then ejected at high speed through nozzles, forming a cutting stream with immense kinetic energy. During the cutting process, the water jet can carry abrasive materials (such as garnet sand) to enhance cutting power, enabling precise cutting of various materials.
[0003] In existing technologies, material conveying devices usually need to be immersed in water. The metal bearings in the conveying device will be in contact with water for a long time, which will cause them to rust and need to be replaced frequently. Furthermore, if the water jet carries abrasives, it will affect the rotation of the metal bearings. Utility Model Content
[0004] Based on the technical problem that existing metal bearings are exposed to water for a long time, resulting in rust and frequent replacement, this utility model proposes a waterproof material conveying device for waterjet cutting platforms.
[0005] This utility model discloses a waterproof material conveying device for a waterjet cutting platform, comprising a base, an installation groove fixedly installed on the upper part of the base, a T-shaped slider slidably inserted into the inner side wall of the installation groove, the lower surface of the T-shaped slider being fixedly connected to the inner bottom surface of the installation groove by fixing bolts, a support block being fixedly installed on the upper part of the T-shaped slider, a support hole being opened on the surface of the support block, a non-metallic bearing mechanism being provided inside the support hole, and sealing mechanisms being provided on both sides of the support block.
[0006] Preferably, the non-metallic bearing mechanism includes an outer bearing ring and an inner bearing ring. The arcuate surface of the outer bearing ring is fixedly connected to the inner arcuate sidewall of the support hole. Bearing balls are in sliding contact between the opposing surfaces of the outer bearing ring and the inner bearing ring. An upper limit ring is fixedly connected to the inner arcuate sidewall of the outer bearing ring, and a lower limit ring is fixedly connected to the outer arcuate surface of the inner bearing ring. The opposing surfaces of the two upper limit rings and the opposing surfaces of the lower limit ring are in sliding contact with the outer surfaces of the plurality of bearing balls.
[0007] The above technical solution sets an upper limit ring and a lower limit ring to limit the bearing balls between the outer ring and the inner ring of the bearing. The low friction on the surface of the bearing balls allows the inner ring of the bearing to rotate without obstruction.
[0008] Preferably, the outer ring, inner ring, upper limit ring, and lower limit ring of the bearing are all made of polyoxymethylene (POM), and the bearing balls are made of glass.
[0009] Through the above technical solution, the outer ring, inner ring, upper limit ring, and lower limit ring of the bearing are made of polyoxymethylene (POM). POM has a smooth and glossy surface and can be used for a long time in a temperature range of -40 to 100℃. POM has better wear resistance and self-lubrication than most engineering plastics, and also has good corrosion resistance. POM is a highly crystalline polymer with similar hardness, strength, and rigidity to metals. The bearing balls made of glass have good chemical resistance and can be used in corrosive media without damage. Moreover, glass balls have a lower density than metal balls, so they are lighter and have lower friction, making the bearing rotate more smoothly.
[0010] Preferably, a fixed shaft is fixedly installed on the inner arc sidewall of the bearing inner ring, and support shafts are fixedly installed on both sides of the fixed shaft, with a conveying roller fixedly installed on the arc surface of the support shaft.
[0011] The above technical solution involves setting up a support shaft and a fixed shaft. The rotation of the support shaft causes the fixed shaft to drive the inner ring of the bearing to rotate, which in turn drives the conveying roller on the surface of the support shaft to rotate, thus conveying the material on the upper part of the conveying roller.
[0012] Preferably, the sealing mechanism includes a fixing ring, the outer arc surface of which is fixedly connected to the inner arc sidewall of the support hole, one side of which is in sliding contact with one side of the outer ring of the bearing and one side of the inner ring of the bearing, the inner arc sidewall of which is in sliding contact with the surface of the fixing shaft, a sealing ring one fixedly installed on the inner arc sidewall of the support hole, a sealing ring two fixedly installed on one side of the fixing ring, the arc surface of the support shaft in sliding contact with the inner arc sidewall of the support hole, the arc surface of the support shaft in extrusion contact with the outer surface of the sealing ring one, and one side of the support shaft in extrusion contact with one side of the fixing ring and the arc surface of the sealing ring two.
[0013] The above technical solution involves setting a fixing ring to isolate the support shaft and the non-metallic bearing mechanism, and setting a sealing ring one and a sealing ring two. The sealing ring one, which is in extrusion contact between the support shaft and the support hole, provides initial waterproofing, while the sealing ring two, which is in extrusion contact between the support shaft and the fixing ring, provides further waterproofing isolation. The cooperation of sealing ring one and sealing ring two forms two waterproofing measures, which enables the sealing mechanism to stably isolate water and prevent water from contacting the non-metallic bearing mechanism.
[0014] Preferably, the materials of sealing ring one and sealing ring two are polytetrafluoroethylene (PTFE).
[0015] Through the above technical solution, the materials used for sealing ring one and sealing ring two are polytetrafluoroethylene (PTFE). PTFE material is known for its excellent chemical resistance, low coefficient of friction and high temperature resistance, and is suitable for various harsh environments. Moreover, the low coefficient of friction of the PTFE surface ensures that the rotation of the support shaft is not affected while sealing. For example, the ElroSeal™ series can meet ultra-high speed sealing conditions with linear speeds up to 100 m / s.
[0016] The beneficial effects of this utility model are as follows:
[0017] By setting a T-shaped sliding block, which is fixed in the mounting groove by fixing bolts, the T-shaped slider can drive the support block to move by unscrewing the fixing bolts, enabling the device to convey materials of different sizes. A non-metallic bearing mechanism is set to support and rotate the rotating shaft, and a sealing mechanism is set to waterproof the non-metallic bearing mechanism. Existing metal bearings will rust and need to be replaced frequently due to prolonged contact with water. Attached Figure Description
[0018] Figure 1 This is a schematic diagram of a waterproof material conveying device for a waterjet cutting platform proposed in this utility model.
[0019] Figure 2 This is a perspective view of a T-shaped slider structure for a waterproof material conveying device for a waterjet cutting platform proposed in this utility model;
[0020] Figure 3 This is a perspective view of the support block structure of a waterproof material conveying device for a waterjet cutting platform proposed in this utility model;
[0021] Figure 4 This is an enlarged view of point A of a waterproof material conveying device for a waterjet cutting platform proposed in this utility model;
[0022] Figure 5 This is a perspective view of the support hole structure of a waterproof material conveying device for a waterjet cutting platform proposed in this utility model;
[0023] Figure 6 This is a perspective view of the bearing inner ring structure of a waterproof material conveying device for a waterjet cutting platform proposed in this utility model;
[0024] Figure 7 This is a perspective view of the bearing ball structure of a waterproof material conveying device for a waterjet cutting platform proposed in this utility model.
[0025] In the diagram: 1. Base; 2. Mounting groove; 3. T-shaped slider; 4. Support block; 5. Support hole; 6. Bearing outer ring; 7. Bearing inner ring; 8. Bearing ball; 9. Upper limit ring; 10. Lower limit ring; 11. Fixed shaft; 12. Support shaft; 13. Conveyor roller; 14. Fixed ring; 15. Sealing ring one; 16. Sealing ring two. Detailed Implementation
[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.
[0027] Reference Figures 1-7 A waterproof material conveying device for a waterjet cutting platform includes a base 1. An installation groove 2 is fixedly installed on the upper part of the base 1. A T-shaped slider 3 is slidably inserted into the inner side wall of the installation groove 2. The lower surface of the T-shaped slider 3 is fixedly connected to the inner bottom surface of the installation groove 2 by fixing bolts. A support block 4 is fixedly installed on the upper part of the T-shaped slider 3. A support hole 5 is opened on the surface of the support block 4. A non-metallic bearing mechanism is set inside the support hole 5. Sealing mechanisms are set on both sides of the support block 4.
[0028] Preferably, the non-metallic bearing mechanism includes an outer bearing ring 6 and an inner bearing ring 7. The arc surface of the outer bearing ring 6 is fixedly connected to the inner arc sidewall of the support hole 5. Bearing balls 8 are in sliding contact between the opposing surfaces of the outer bearing ring 6 and the inner bearing ring 7. An upper limit ring 9 is fixedly connected to the inner arc sidewall of the outer bearing ring 6, and a lower limit ring 10 is fixedly connected to the outer arc surface of the inner bearing ring 7. The opposing surfaces of the two upper limit rings 9 and the opposing surfaces of the lower limit ring 10 are in sliding contact with the outer surfaces of the multiple bearing balls 8.
[0029] By setting an upper limit ring 9 and a lower limit ring 10, the bearing balls 8 between the outer ring 6 and the inner ring 7 of the bearing are limited. The low friction on the surface of the bearing balls 8 allows the inner ring 7 of the bearing to rotate without obstruction.
[0030] The outer ring 6, inner ring 7, upper limit ring 9, and lower limit ring 10 of the bearing are all made of polyoxymethylene (POM), while the bearing balls 8 are made of glass.
[0031] The bearing outer ring 6, bearing inner ring 7, upper limit ring 9, and lower limit ring 10 are made of polyoxymethylene (POM). POM has a smooth and glossy surface and can be used for a long time in a temperature range of -40 to 100℃. POM has better wear resistance and self-lubrication than most engineering plastics, and also has good corrosion resistance. POM is a highly crystalline polymer with similar hardness, strength, and rigidity to metals. The bearing balls 8 made of glass have good chemical resistance and can be used in corrosive media without damage. Glass balls have a lower density than metal balls, so they are lighter and have lower friction, making the bearing rotate more smoothly.
[0032] A fixed shaft 11 is fixedly installed on the inner arc sidewall of the bearing inner ring 7, and a support shaft 12 is fixedly installed on both sides of the fixed shaft 11. A conveyor roller 13 is fixedly installed on the arc surface of the support shaft 12.
[0033] By setting up a support shaft 12 and a fixed shaft 11, the rotation of the support shaft 12 causes the fixed shaft 11 to drive the inner ring 7 of the bearing to rotate, which also drives the conveying roller 13 on the surface of the support shaft 12 to rotate, thus conveying the material on the upper part of the conveying roller 13.
[0034] The sealing mechanism includes a retaining ring 14, the outer arc surface of which is fixedly connected to the inner arc sidewall of the support hole 5. One side of the retaining ring 14 is in sliding contact with one side of the outer ring 6 and one side of the inner ring 7 of the bearing. The inner arc sidewall of the retaining ring 14 is in sliding contact with the surface of the retaining shaft 11. A sealing ring 15 is fixedly installed on the inner arc sidewall of the support hole 5. A sealing ring 16 is fixedly installed on one side of the retaining ring 14. The arc surface of the support shaft 12 is in sliding contact with the inner arc sidewall of the support hole 5. The arc surface of the support shaft 12 is in extrusion contact with the outer surface of the sealing ring 15. One side of the support shaft 12 is in extrusion contact with one side of the retaining ring 14 and the arc surface of the sealing ring 16.
[0035] By setting a fixing ring 14, the support shaft 12 and the non-metallic bearing mechanism are isolated. A first sealing ring 15 and a second sealing ring 16 are set. The first sealing ring 15, which is in extrusion contact between the support shaft 12 and the support hole 5, provides initial waterproofing. The second sealing ring 16, which is in extrusion contact between the support shaft 12 and the fixing ring 14, provides further waterproofing isolation. The cooperation of the first sealing ring 15 and the second sealing ring 16 forms two waterproofing measures, which enables the sealing mechanism to stably isolate water and prevent water from contacting the non-metallic bearing mechanism.
[0036] The sealing ring 15 and sealing ring 26 are made of polytetrafluoroethylene (PTFE).
[0037] By setting the sealing ring 15 and sealing ring 16 to be made of polytetrafluoroethylene (PTFE), PTFE material is known for its excellent chemical resistance, low coefficient of friction and high temperature resistance, making it suitable for various harsh environments. The low coefficient of friction of the PTFE surface ensures that the rotation of the support shaft 12 is not affected while sealing. For example, the ElroSeal™ series can meet ultra-high speed sealing conditions with linear speeds up to 100 m / s.
[0038] Working principle: When the support shaft 12 rotates, the rotation of the support shaft 12 causes the fixed shaft 11 to drive the inner ring 7 of the bearing to rotate, which also drives the conveying roller 13 on the surface of the support shaft 12 to rotate, conveying the material on the upper part of the conveying roller 13. The outer ring 6, inner ring 7, upper limit ring 9, and lower limit ring 10 of the bearing are made of polyoxymethylene (POM). POM has a smooth and glossy surface and low friction, which allows the outer ring 6 and inner ring 7 of the bearing to rotate smoothly. POM has better wear resistance and self-lubricating properties than most engineering plastics, and also has good corrosion resistance. Moreover, POM is a highly crystalline polymer with similar hardness, strength, and rigidity to metals. The bearing balls 8 made of glass have good chemical resistance and can be used in corrosive media without damage. The density of glass balls is also low. Because it is lower than metal, it is lighter and has lower friction, making the bearing rotate more smoothly. The sealing ring 15, which is in contact with the support shaft 12 and the support hole 5, provides initial waterproofing. The sealing ring 16, which is in contact with the support shaft 12 and the fixing ring 14, provides further waterproofing isolation. The cooperation of the sealing ring 15 and the sealing ring 16 forms a two-layer waterproofing mechanism, which stably isolates water and prevents water from contacting the non-metallic bearing mechanism. The material of the sealing ring 15 and the sealing ring 16 is polytetrafluoroethylene (PTFE). PTFE is known for its excellent chemical resistance, low coefficient of friction and high temperature resistance, making it suitable for various harsh environments. The low coefficient of friction of the PTFE surface ensures that the rotation of the support shaft 12 is not affected while sealing.
[0039] The above are merely preferred embodiments of this utility model, but the scope of protection of this utility model is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in this utility model, based on the technical solution and inventive concept of this utility model, should be included within the scope of protection of this utility model.
Claims
1. A waterproof material conveying device for a waterjet cutting platform, comprising a base (1), characterized in that: The upper part of the base (1) is fixedly installed with an installation groove (2), and a T-shaped slider (3) is slidably inserted into the inner side wall of the installation groove (2). The lower surface of the T-shaped slider (3) is fixedly connected to the inner bottom surface of the installation groove (2) by a fixing bolt. A support block (4) is fixedly installed on the upper part of the T-shaped slider (3). A support hole (5) is opened on the surface of the support block (4). A non-metallic bearing mechanism is provided inside the support hole (5). A sealing mechanism is provided on both sides of the support block (4).
2. The waterproof material conveying device for a waterjet cutting platform according to claim 1, characterized in that: The non-metallic bearing mechanism includes an outer bearing ring (6) and an inner bearing ring (7). The arc surface of the outer bearing ring (6) is fixedly connected to the inner arc sidewall of the support hole (5). Bearing balls (8) are in sliding contact between the opposite surfaces of the outer bearing ring (6) and the inner bearing ring (7). An upper limit ring (9) is fixedly connected to the inner arc sidewall of the outer bearing ring (6). A lower limit ring (10) is fixedly connected to the outer arc surface of the inner bearing ring (7). The opposite surfaces of the two upper limit rings (9) and the opposite surfaces of the lower limit ring (10) are in sliding contact with the outer surfaces of the multiple bearing balls (8).
3. The waterproof material conveying device for a waterjet cutting platform according to claim 2, characterized in that: The outer ring (6), inner ring (7), upper limit ring (9) and lower limit ring (10) of the bearing are all made of polyoxymethylene, and the bearing balls (8) are made of glass.
4. The waterproof material conveying device for a waterjet cutting platform according to claim 3, characterized in that: A fixed shaft (11) is fixedly installed on the inner arc sidewall of the bearing inner ring (7), and a support shaft (12) is fixedly installed on both sides of the fixed shaft (11). A conveying roller (13) is fixedly installed on the arc surface of the support shaft (12).
5. A waterproof material conveying device for a waterjet cutting platform according to claim 4, characterized in that: The sealing mechanism includes a fixing ring (14), the outer arc surface of the fixing ring (14) is fixedly connected to the inner arc sidewall of the support hole (5), one side of the fixing ring (14) is in sliding contact with one side of the outer ring (6) of the bearing and one side of the inner ring (7) of the bearing, the inner arc sidewall of the fixing ring (14) is in sliding contact with the surface of the fixing shaft (11), a sealing ring one (15) is fixedly installed on the inner arc sidewall of the support hole (5), a sealing ring two (16) is fixedly installed on one side of the fixing ring (14), the arc surface of the support shaft (12) is in sliding contact with the inner arc sidewall of the support hole (5), the arc surface of the support shaft (12) is in extrusion contact with the outer surface of the sealing ring one (15), and one side of the support shaft (12) is in extrusion contact with one side of the fixing ring (14) and the arc surface of the sealing ring two (16).
6. A waterproof material conveying device for a waterjet cutting platform according to claim 5, characterized in that: The sealing ring one (15) and sealing ring two (16) are made of polytetrafluoroethylene.