A stainless steel surface polishing device and its usage method

Abstract

The present invention discloses a stainless steel surface polishing device, which comprises a rotating mechanism and a plurality of polishing mechanisms installed on the rotating mechanism through a plurality of stretching mechanisms, wherein the rotating mechanism comprises a motor and a power supply, and the stretching mechanism comprises a central column and a cylinder 1 and a cylinder 2 installed on the central column, wherein the cylinder 1 and the cylinder 2 are vertically arranged, and the central column is connected to the output shaft of the motor through a connecting block; the polishing mechanism comprises three inner, middle and outer polishing layers, wherein the cross sections of the inner polishing layer and the middle polishing layer are inferior arcs, and the polishing mechanism is provided with a plurality of polishing heads, wherein the middle polishing layer and the outer polishing layer are provided with a plurality of through holes, and the plurality of polishing heads correspond to the plurality of through holes in a one-to-one manner, and the inner polishing layer and the middle polishing layer are connected to the cylinder 1 and the cylinder 2 respectively, and by arranging multiple polishing layers and staggering them, the number of polishing layers required to be used can be adjusted during use, thereby changing the surface roughness of the polishing layer to adapt to different polishing processes, reducing the time required for replacing equipment, and improving the continuity of the process.

Description

Technical Field

[0001] The present invention relates to the technical field of metal polishing, and in particular to a stainless steel surface polishing device and a use method thereof. Background Art

[0002] Polishing is a process that uses mechanical, chemical, or electrochemical processes to reduce the surface roughness of a workpiece to achieve a bright, smooth surface. It is a finishing process performed using polishing tools and abrasive particles or other polishing media. Stainless steel, primarily characterized by its stainless and corrosion-resistant properties, contains a chromium content of at least 10.5% and a carbon content of no more than 1.2%. It possesses excellent corrosion resistance and mechanical properties. With the diversification of stainless steel's uses, it is now being colored to impart decorative properties. Colored stainless steel has been industrialized abroad, and polishing machines are often used in the stainless steel processing process.

[0003] The polishing devices for stainless steel in the prior art have the following problems: due to different polishing degrees, grinding and polishing equipment with different fineness needs to be used, and constantly replacing equipment takes time, resulting in low continuity of the polishing process. Existing polishing machines mostly use sandpaper for grinding and polishing, which has a low utilization rate and may need to be replaced after one or two uses. Summary of the Invention

[0004] The present invention overcomes the shortcomings of the prior art and provides a stainless steel surface polishing device and a method for using the same, aiming to solve the problem in the prior art of requiring frequent replacement of equipment and polishing sandpaper, while improving the continuity of the polishing process and reducing unnecessary equipment replacement time.

[0005] To achieve the above object, the technical solution adopted by the present invention is: a stainless steel surface polishing device, comprising: a rotating mechanism and a plurality of polishing mechanisms mounted on the rotating mechanism through a plurality of stretching mechanisms,

[0006] The rotating mechanism includes a motor and a power supply, and the extending mechanism includes: a central column and a first cylinder and a second cylinder mounted on the central column, wherein the first cylinder and the second cylinder are vertically arranged, and the central column is connected to the output shaft of the motor through a connecting block;

[0007] The polishing mechanism includes an inner polishing layer, a middle polishing layer and an outer polishing layer. The cross-sections of the inner polishing layer and the middle polishing layer are inferior arcs, and the polishing mechanism is provided with a plurality of polishing heads. The middle polishing layer and the outer polishing layer are provided with a plurality of through holes. The plurality of polishing heads on the inner polishing layer correspond to the plurality of through holes on the middle polishing layer and the outer polishing layer, and the plurality of polishing heads on the middle polishing layer correspond to the plurality of through holes on the outer polishing layer. The inner polishing layer and the middle polishing layer are connected to the cylinder one and the cylinder two, respectively.

[0008] In a preferred embodiment of the present invention, the upper and lower sides of the outer polishing layer are respectively clamped with a cover plate and a base plate, and the base plate is provided with a plurality of rotation holes, which are arc holes arranged at intervals, and the arc radius is the same as the radius of the rotation tube.

[0009] It should be noted that one end of the connecting block is provided with a motor output shaft connector, and the other end is connected to the center column and the base plate to ensure that when the motor rotates, the polishing mechanism and the tensioning mechanism can rotate synchronously, and there is no gap or abnormal noise at each connection.

[0010] In a preferred embodiment of the present invention, a rotating tube is provided on the outside of the center column where the second cylinder is mounted, the rotating tube passes through the rotating hole, and the center column is clamped with the cover plate.

[0011] In a preferred embodiment of the present invention, the cover plate and the base plate are both provided with slide rails, which are respectively used to connect the inner polishing layer and the outer polishing layer. The slide rails and the cylinder jointly ensure the movement of the polishing mechanism, thereby ensuring that the polishing head can accurately extend through the through hole.

[0012] In a preferred embodiment of the present invention, the output shaft of the second cylinder is connected to an ejector plate, and the ejector plate is provided with a mesh hollow structure. The ejector plate is an arc-shaped plate, and its shape is the same as that of the middle polishing layer. The hollow structure corresponds to the position of the through hole.

[0013] In a preferred embodiment of the present invention, the plurality of polishing heads on the middle polishing layer are arranged in two rows to form a polishing assembly.

[0014] In a preferred embodiment of the present invention, rows of movable holes are provided at intervals on the middle polishing layer, and a row of polishing heads on the polishing assembly are slidably connected to the movable holes via springs. When under pressure, the polishing heads will squeeze the springs and extend from the through holes, and will retract when not under pressure.

[0015] In a preferred embodiment of the present invention, there is a gap between the inferior arc ends of the inner polishing layer and the middle polishing layer for mounting the cylinder output shaft, and the gap is staggered.

[0016] The present invention also provides a method for using the stainless steel surface polishing device, comprising the following steps:

[0017] S1. Surface rough polishing: The motor starts and maintains a speed of 1100-1300 r / min. Several cylinders contract to retract the inner polishing layer and the middle polishing layer into the outer polishing layer; the polishing mechanism adheres to the surface of the stainless steel workpiece for polishing;

[0018] S2, semi-finishing polishing: the rotating tube rotates so that the ejector plate contacts the side of the polishing assembly without the spring, the second cylinder is ejected, and the polishing head extends along the through hole of the outer polishing layer. Increase the number of polishing heads to 500-600, and adjust the speed to 1350-1800r / min;

[0019] S3, secondary semi-finishing: Cylinder 2 contracts and the rotating tube reverses at the same time, so that the ejector plate contacts the spring on the polishing assembly, cylinder 2 is ejected, and the polishing head extends along the through hole of the outer polishing layer. Increase the number of polishing heads to 700-900 and adjust the motor speed to 1900-2500r / min;

[0020] S4. Surface polishing: The cylinder is pushed out, causing the inner polishing layer to move outward, and several polishing heads on it extend along the through holes of the middle polishing layer and the outer polishing layer. Increase the number of polishing heads to 1100-1300, and adjust the motor speed to 2550-3000r / min again.

[0021] In a preferred embodiment of the present invention, kerosene is sprayed on the stainless steel surface as a lubricant or coolant during rough polishing and semi-fine polishing, and abrasive paste is applied to the stainless steel surface during fine polishing, and air is blown on the stainless steel surface throughout the polishing process.

[0022] It should be noted that the polishing head is made of aluminum oxide or silicon carbide, and the connections between the polishing mechanism and the cover plate, base plate, cylinder and slide rail are all snap-on, which facilitates replacement when the polishing head is worn out.

[0023] The present invention solves the defects existing in the background technology and has the following beneficial effects:

[0024] (1) In the present invention, a single-layer grinding and polishing wheel is transformed into a polishing mechanism with a multi-layer structure, which is divided into three polishing layers: inner, middle and outer. A number of polishing heads and through holes are provided on the outer surface of the polishing wheel, and the polishing heads of the middle layer can be extended through the through holes of the outer layer, and the polishing heads of the inner layer can be extended through the through holes of the middle and outer layers. This design improves the structural stability to a certain extent. When the motor rotates at high speed, the multi-layer structure can fit more closely to adapt to high-speed rotation. At the same time, according to the three main processes of rough polishing, semi-fine polishing and fine polishing, different numbers of polishing heads are ejected, thereby increasing the density of polishing heads on the outer surface, solving the problem of wasting time in the prior art of replacing equipment for different polishing processes.

[0025] (2) In the present invention, the movement of the inner and middle layers is controlled by a cylinder, and a polishing assembly is set in the middle layer. A spring and a moving hole are provided on the polishing assembly. The movement of the polishing assembly is controlled by an ejection plate connected to the end of the cylinder, and the position of the ejection plate is controlled by a rotating tube. When the ejection plate does not apply pressure to the spring, the number of polishing heads ejected by the middle layer is small. When the ejection plate applies pressure to the spring, the middle layer ejects all the polishing heads, thereby providing two different polishing head densities. The density of the polishing heads on the outer layer surface is controlled by the cylinder and the rotating tube, and there is no need to replace the polishing wheel. This solves the problem of low continuity of the polishing process caused by the need to replace the polishing wheel due to the requirements of the polishing process in the prior art.

[0026] (3) The present invention is provided with a replaceable polishing head. When replacing, the polishing mechanism can be removed and the polishing head can be replaced separately, and a new polishing mechanism can be replaced without affecting the progress of the polishing process. At the same time, the polishing head material is set to columnar aluminum oxide or silicon carbide, which can be used multiple times to reduce the frequency of replacement, and is used in conjunction with a sprayed paste or liquid to lubricate or cool the surface during the polishing process, and to blow air on the surface to blow away the ground debris, thereby reducing the impact on the polishing effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments described in the present invention. Those skilled in the art can also derive other drawings based on these drawings without inventive efforts.

[0028] Figure 1 It is a three-dimensional structural diagram of a preferred embodiment of the present invention;

[0029] Figure 2 is a top view of the polishing layer in a preferred embodiment of the present invention;

[0030] In the figure: 1. Center column; 2. Cylinder 1; 3. Polishing head; 4. Cylinder 2; 5. Rotating tube; 6. Connecting block; 7. Inner polishing layer; 8. Bottom plate; 9. Middle polishing layer; 10. Outer polishing layer; 11. Through hole; 12. Ejector plate; 13. Polishing assembly; 14. Spring; 15. Column moving hole; 16. Tensioning mechanism; 17. Polishing mechanism. DETAILED DESCRIPTION

[0031] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0032] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the scope of protection of the present invention is not limited to the specific embodiments disclosed below.

[0033] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the scope of protection of the present application. In addition, the terms "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0034] In the description of this application, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to internal connections between two components. Those skilled in the art will understand the specific meanings of the above terms in this application based on specific circumstances.

[0035] like Figure 1 As shown, a three-dimensional structural diagram of a stainless steel surface polishing device includes: a rotating mechanism and a plurality of polishing mechanisms 17 mounted on the rotating mechanism through a plurality of stretching mechanisms 16.

[0036] The rotating mechanism includes a motor and a power supply. The stretching mechanism 16 includes: a central column 1 and cylinders 1 2 and 2 4 mounted on the central column 1, wherein the cylinders 1 2 and 2 4 are arranged vertically. The central column 1 is connected to the output shaft of the motor via a connecting block 6.

[0037] The polishing mechanism 17 includes an inner polishing layer 7, a middle polishing layer 9, and an outer polishing layer 10. The cross-sections of the inner polishing layer 7 and the middle polishing layer 9 are inferior arcs. The polishing mechanism 17 is provided with a plurality of polishing heads 3. The middle polishing layer 9 and the outer polishing layer 10 are provided with a plurality of through holes 11. The plurality of polishing heads 3 and the plurality of through holes 11 correspond one to one. The inner polishing layer 7 and the middle polishing layer 9 are connected to cylinder 1 2 and cylinder 2 4, respectively.

[0038] The upper and lower sides of the outer polishing layer 9 are respectively clamped with a cover plate and a base plate 8, and a number of rotating holes are provided on the base plate 8. A rotating tube 5 is provided on the outside of the center column 1 where the cylinder 2 4 is installed. The rotating tube 5 passes through the rotating hole, and the center column 1 is clamped with the cover plate. Slide rails are provided on the cover plate and the base plate 8, which are respectively used to connect the inner polishing layer 7 and the outer polishing layer 10. There is a gap between the inferior arc end of the inner polishing layer 7 and the middle polishing layer 9, which is used to install the cylinder output shaft, and the gap is staggered.

[0039] like Figure 2 As shown, a structural diagram of the middle polishing layer of a stainless steel surface polishing device, the output shaft of cylinder 2 4 is connected to an ejector plate 12, the ejector plate 12 is connected to the middle polishing layer 9, and a mesh hollow structure is provided on the ejector plate 12, a plurality of polishing heads 3 on the middle polishing layer 9 are arranged in two rows as a polishing assembly 13, and rows of movable holes 15 are provided at intervals on the middle polishing layer 9, and a row of polishing heads 3 on the polishing assembly 13 is slidably connected to the row of movable holes 15 through a spring 14. Specific embodiment 1

[0041] S1. Surface rough polishing: The motor starts and maintains a speed of 1100 r / min. Several cylinders contract to retract the inner polishing layer and the middle polishing layer into the outer polishing layer. The polishing mechanism adheres to the surface of the stainless steel workpiece and polishes it, while spraying kerosene as a lubricant or coolant.

[0042] S2, semi-finishing polishing: The rotary tube rotates so that the ejector plate contacts the side of the polishing assembly without the spring. The second cylinder is ejected and the polishing head extends along the through hole of the outer polishing layer. The number of polishing heads is increased to 600 and the speed is adjusted to 1350r / min.

[0043] S3, secondary semi-finishing: Cylinder 2 contracts and the rotating tube reverses at the same time, so that the ejector plate contacts the spring on the polishing assembly, cylinder 2 is ejected, and the polishing head extends along the through hole of the outer polishing layer. Increase the number of polishing heads to 800 and adjust the motor speed to 1900r / min;

[0044] S4. Surface polishing: The cylinder is pushed out, causing the inner polishing layer to move outward, and several polishing heads on it extend along the through holes of the middle polishing layer and the outer polishing layer. Increase the number of polishing heads to 1200, adjust the motor speed to 2550r / min again, and replace kerosene with grinding paste.

[0045] The roughness after each step is measured as follows: rough polishing Ra0.8, semi-finishing polishing Ra0.5, secondary semi-finishing polishing Ra0.2, and fine polishing Ra0.05. Specific embodiment 2

[0047] The present invention also provides a method for using a stainless steel surface polishing device, comprising the following steps:

[0048] S1. Surface rough polishing: The motor starts and maintains a speed of 1300 r / min. Several cylinders contract to retract the inner polishing layer and the middle polishing layer into the outer polishing layer. The polishing mechanism adheres to the surface of the stainless steel workpiece and polishes it, while spraying kerosene as a lubricant or coolant.

[0049] S2, semi-finishing polishing: The rotary tube rotates so that the ejector plate contacts the side of the polishing assembly without the spring. The second cylinder is ejected and the polishing head extends along the through hole of the outer polishing layer. The number of polishing heads is increased to 600 and the speed is adjusted to 1800 r / min.

[0050] S3, secondary semi-finishing: Cylinder 2 contracts and the rotating tube reverses at the same time, so that the ejector plate contacts the spring on the polishing assembly, cylinder 2 is ejected, and the polishing head extends along the through hole of the outer polishing layer. Increase the number of polishing heads to 800 and adjust the motor speed to 2500r / min;

[0051] S4. Surface polishing: The cylinder is pushed out, causing the inner polishing layer to move outward, and several polishing heads on it extend along the through holes of the middle polishing layer and the outer polishing layer. Increase the number of polishing heads to 1200, adjust the motor speed to 3000r / min again, and replace kerosene with grinding paste.

[0052] The roughness after each step was measured to be: rough polishing Ra0.6, semi-finishing polishing Ra0.39, secondary semi-finishing polishing Ra0.11, and fine polishing Ra0.03.

[0053] In the present invention, the single-layer grinding and polishing wheel is transformed into a polishing mechanism with a multi-layer structure, which is divided into three polishing layers: inner, middle and outer. A number of polishing heads and through holes are provided on the outer surface of the polishing wheel, and they are staggered along the axial direction, so that the polishing head of the middle layer can be extended through the through holes of the outer layer, and the polishing head of the inner layer can be extended through the through holes of the middle and outer layers. This design improves the structural stability to a certain extent. When the motor rotates at high speed, the multi-layer structure can fit more closely to adapt to high-speed rotation. At the same time, according to the three main processes of rough polishing, semi-fine polishing and fine polishing, different numbers of polishing heads are ejected, thereby increasing the density of polishing heads on the outer surface, solving the problem of wasting time in the prior art of replacing equipment for different polishing processes.

[0054] In the present invention, the movement of the inner and middle layers is controlled by a cylinder, and a polishing assembly is arranged in the middle layer. A spring and a moving hole are provided on the polishing assembly. The movement of the polishing assembly is controlled by an ejection plate connected to the end of the cylinder, and the position of the ejection plate is controlled by a rotating tube. When the ejection plate does not apply pressure to the spring, the number of polishing heads ejected by the middle layer is small. When the ejection plate applies pressure to the spring, the middle layer ejects all the polishing heads, thereby providing two different polishing head densities. The density of the polishing heads on the outer layer surface is controlled by the cylinder and the rotating tube, and there is no need to replace the polishing wheel. This solves the problem of low continuity of the polishing process caused by the need to replace the polishing wheel due to the requirements of the polishing process in the prior art.

[0055] A replaceable polishing head is also provided. When replacing, the polishing mechanism can be removed and the polishing head can be replaced separately, and a new polishing mechanism can be replaced without affecting the progress of the polishing process. At the same time, the polishing head material is set to columnar aluminum oxide or silicon carbide, which can be used multiple times to reduce the frequency of replacement, and is used in conjunction with spraying paste or liquid to lubricate or cool the surface during the polishing process, and blow air on the surface to blow away the ground debris, reducing the impact on the polishing effect.

[0056] The above description is based on the ideal embodiment of the present invention. Based on the above description, relevant personnel can make various changes and modifications without departing from the technical scope of this invention. The technical scope of this invention is not limited to the content of the specification and must be determined according to the scope of the claims.

Claims

1. A stainless steel surface polishing device, comprising: A rotating mechanism and a plurality of polishing mechanisms mounted on the rotating mechanism via a plurality of stretching mechanisms, characterized in that: The rotating mechanism includes a motor and a power supply, and the extending mechanism includes: a central column and a first cylinder and a second cylinder mounted on the central column, wherein the first cylinder and the second cylinder are vertically arranged, and the central column is connected to the output shaft of the motor through a connecting block; The polishing mechanism includes an inner polishing layer, a middle polishing layer and an outer polishing layer. The cross-sections of the inner polishing layer and the middle polishing layer are inferior arcs, and the polishing mechanism is provided with a plurality of polishing heads. The middle polishing layer and the outer polishing layer are provided with a plurality of through holes. The plurality of polishing heads on the inner polishing layer correspond to the plurality of through holes on the middle polishing layer and the outer polishing layer, and the plurality of polishing heads on the middle polishing layer correspond to the plurality of through holes on the outer polishing layer. The inner polishing layer and the middle polishing layer are connected to the cylinder one and the cylinder two, respectively.

2. A stainless steel surface polishing device according to claim 1, characterized in that: The upper and lower sides of the outer polishing layer are respectively clamped with a cover plate and a bottom plate, and the bottom plate is provided with a plurality of rotation holes.

3. A stainless steel surface polishing device according to claim 2, characterized in that: A rotating tube is provided on the outside of the center column where the cylinder is mounted. The rotating tube passes through the rotating hole, and the center column is clamped with the cover plate.

4. The stainless steel surface polishing device according to claim 2, characterized in that: The cover plate and the bottom plate are both provided with slide rails, which are used to connect the inner polishing layer and the outer polishing layer respectively.

5. The stainless steel surface polishing device according to claim 3, characterized in that: The output shaft of the second cylinder is connected to an ejector plate, and the ejector plate is provided with a mesh hollow structure.

6. The stainless steel surface polishing device according to claim 1, characterized in that: The polishing heads on the middle polishing layer are arranged in two rows to form a polishing assembly.

7. A stainless steel surface polishing device according to claim 1 or 6, characterized in that: The middle polishing layer is provided with rows of movable holes at intervals, and a row of polishing heads on the polishing assembly are slidably connected to the movable holes via springs.

8. The stainless steel surface polishing device according to claim 1, characterized in that: There is a gap between the inferior arc ends of the inner polishing layer and the middle polishing layer for installing the cylinder output shaft, and the gap is staggered.

9. A method for using a stainless steel surface polishing device, based on the stainless steel surface polishing device according to any one of claims 1 to 8, characterized in that: The following steps are involved: S1. Surface rough polishing: The motor starts and maintains a speed of 1100-1300 r / min. Several cylinders contract to retract the inner polishing layer and the middle polishing layer into the outer polishing layer; the polishing mechanism adheres to the surface of the stainless steel workpiece for polishing; S2, semi-finishing polishing: the rotating tube rotates so that the ejector plate contacts the side of the polishing assembly without the spring, the second cylinder is ejected, and the polishing head extends along the through hole of the outer polishing layer. Increase the number of polishing heads to 500-600, and adjust the speed to 1350-1800r / min; S3, secondary semi-finishing: Cylinder 2 contracts and the rotating tube reverses at the same time, so that the ejector plate contacts the spring on the polishing assembly, cylinder 2 is ejected, and the polishing head extends along the through hole of the outer polishing layer. Increase the number of polishing heads to 700-900 and adjust the motor speed to 1900-2500r / min; S4. Surface polishing: The cylinder is pushed out, causing the inner polishing layer to move outward, and several polishing heads on it extend along the through holes of the middle polishing layer and the outer polishing layer. Increase the number of polishing heads to 1100-1300, and adjust the motor speed to 2550-3000r / min again.

10. The method for using the stainless steel surface polishing device according to claim 9, characterized in that: During rough polishing and semi-fine polishing, kerosene is sprayed on the stainless steel surface as a lubricant or coolant. During fine polishing, abrasive paste is applied to the stainless steel surface, and air is blown on the stainless steel surface throughout the polishing process.

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