CN217668664U - Cambered surface polishing device - Google Patents
Cambered surface polishing device Download PDFInfo
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- CN217668664U CN217668664U CN202221501963.6U CN202221501963U CN217668664U CN 217668664 U CN217668664 U CN 217668664U CN 202221501963 U CN202221501963 U CN 202221501963U CN 217668664 U CN217668664 U CN 217668664U
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- pressing sheet
- shaped structure
- cambered surface
- inner groove
- mounting frame
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Abstract
The utility model belongs to the technical field of machining technique and specifically relates to a cambered surface polishing device, which comprises a mounting rack, wherein the mounting rack is of a T-shaped structure, one end of the upper part of the mounting rack is provided with an inner groove, a pressing sheet is arranged in the inner groove, the pressing sheet is rotationally connected with the mounting rack at the inner groove through a pin shaft, the outer side of the pressing sheet is of an arc-shaped structure, and the arc-shaped structure of the outer side surface of the pressing sheet is used for arranging abrasive paper; a first through hole is formed in the lower end of the T-shaped structure of the mounting frame, a supporting shaft is arranged in the first through hole, a first protrusion is arranged at one end, close to the pressing sheet, of the supporting shaft, a limiting block is arranged at the other end of the supporting shaft, and a pressure spring is sleeved on the supporting shaft between the first protrusion and the mounting frame. The utility model provides a cambered surface burnishing device can polish the work piece inner wall cambered surface, and avoids the preforming to take place to interfere and damage the work piece to the work piece inner wall at the lift in-process.
Description
Technical Field
The utility model belongs to the technical field of the machining technique and specifically relates to a cambered surface burnishing device.
Background
With the technological progress, the requirements on the surface finish degree of products are higher and higher, the surface of a workpiece is generally in point-to-point contact in the forms of rolling and the like, and particularly when an inwards concave cambered surface in the workpiece is polished, a cutter is easy to interfere with the surface of the workpiece to damage the workpiece.
As the Chinese utility model patent: CN201921258794.6, a machine tool for processing an inner arc surface of a large-size workpiece, includes a first supporting seat and a second supporting seat which are arranged at intervals; the boring device comprises a driving rotating shaft erected between a first supporting seat and a second supporting seat and a boring cutter assembly connected to the driving rotating shaft and capable of rotating along with the driving rotating shaft; the feeding mechanism is positioned below the boring device and comprises a sliding seat and a first driving mechanism, wherein the sliding seat is used for assembling a workpiece to be machined and can drive the workpiece to be machined to reciprocate between the first supporting seat and the second supporting seat; the moving direction of the sliding seat is consistent with the axial direction of the driving rotating shaft, and the axial lead of the inner arc surface formed by processing the workpiece is superposed with the axial lead of the driving rotating shaft. And a grinding wheel component and a polishing wheel component are also arranged on the arc-shaped edge of the first extension part of the cutter head.
According to the technical scheme, the inner wall of the polishing wheel assembly is polished through the grinding wheel assembly and the polishing wheel assembly, the polished arc surface is of a cylindrical structure, so that the axial direction of the polishing wheel is only required to be consistent with the axial direction of the arc surface in the workpiece, and the polishing wheel assembly cannot interfere with the workpiece in the axial moving process. However, for the cambered surface with a variable diameter, interference with the workpiece can be caused during the axial movement process of the cambered surface, and the workpiece can be damaged.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve above-mentioned technique not enough and provide a cambered surface burnishing device, can effectively polish the cambered surface and avoid causing the interference and the damage to the work piece.
The utility model discloses a cambered surface polishing device, which comprises a mounting rack, wherein the mounting rack is of a T-shaped structure, one end of the upper part of the mounting rack is provided with an inner groove, the opening of the inner groove is outward from the end part of the mounting rack of the T-shaped structure, a pressing sheet is arranged in the inner groove, the pressing sheet is rotationally connected with the mounting rack at the position of the inner groove through a pin shaft, the outer side of the pressing sheet is of an arc-shaped structure, and the arc-shaped structure at the outer side surface of the pressing sheet is used for arranging abrasive paper; the one end that the upper end of mounting bracket was not provided with the inner groovy is used for connecting the lathe knife rest, is provided with a first through-hole at the lower extreme of the T type structure of mounting bracket, the axial of first through-hole is provided with a back shaft towards the preforming, in first through-hole, and the back shaft is close to preforming one end and is provided with first arch, first bellied diameter is greater than first through-hole diameter, is provided with the stopper at the other end of back shaft, and the diameter of stopper is greater than first through-hole diameter, and the cover is equipped with the pressure spring on the back shaft between first arch and mounting bracket.
Above-mentioned technical scheme, preforming lateral surface is the preforming and keeps away from one side of mounting bracket, is used for installing the surface that contacts with the work piece behind the abrasive paper on the preforming promptly, and the inside radian unanimity of this surface and corresponding work piece or the radian of preforming is bigger a little. In actual work, the machine tool rest is fixedly connected with the mounting rack and moves to the inside of the workpiece to be attached to the arc-shaped inner wall, so that abrasive paper is attached to the inner wall of the workpiece, the workpiece rotates, and the abrasive paper polishes the inner wall of the workpiece. Because the internal diameter of work piece itself has a small amount of errors, so the lower extreme of preforming compresses tightly through back shaft and pressure spring, makes abrasive paper keep certain pressure on the work piece surface, and when work piece internal diameter took place slight change, the preforming can overcome the pressure of pressure spring and adaptability change position to ensure that it keeps laminating all the time with the work piece, can not excessively extrude. In addition, when the mounting rack rises, the pressing sheet is always in contact with the inner wall of the workpiece through the cambered surface, and the inner wall of the workpiece is prevented from being damaged. And in the process of rotating the workpiece, the cambered surface of the pressing sheet supports the abrasive paper, so that the abrasive paper and the inner wall of the workpiece are extruded out in a surface-to-surface mode, and the polishing effect is better.
The pressing sheet is provided with a plurality of second through holes, pressing strips are arranged on two sides of the pressing sheet, third through holes which are in one-to-one correspondence with the second through holes are formed in the pressing strips, and screws penetrate through the second through holes and the third through holes and are used for connecting the pressing strips and the pressing sheet. The design of this structure can be fixed firm to abrasive paper, and the assembly is simple and convenient.
The limiting block is a nut, an external thread is arranged on the supporting shaft at one end of the limiting block, and the supporting shaft is connected with the nut through the external thread. The nut is used as a limiting block, the extension length of the first protruding side of the supporting shaft can be adjusted, namely, when the abrasive paper is adjusted to be in contact with the inner wall of a workpiece, the gap between the upper end of the pressing sheet and the inner wall of the workpiece is adjusted.
The utility model provides a cambered surface burnishing device can polish the work piece inner wall cambered surface, and avoids the preforming to take place to interfere and damage the work piece to the work piece inner wall at the lift in-process.
Drawings
FIG. 1 is a schematic view of the cambered surface polishing apparatus of the present invention in operation;
FIG. 2 is a front view of the cambered surface polishing device of the present invention;
fig. 3 is a structural bottom view of the cambered surface polishing device of the present invention.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the objects of the present invention, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.
Example 1:
as shown in fig. 1, 2 and 3, the utility model discloses a cambered surface polishing device, which comprises a mounting frame 3, wherein the mounting frame 3 is of a T-shaped structure, an inner groove 13 is arranged at one end of the upper part of the mounting frame 3, the opening of the inner groove 13 is outward from the end part of the mounting frame 3 of the T-shaped structure, a pressing sheet 4 is arranged inside the inner groove 13, the pressing sheet 4 is rotatably connected with the mounting frame 3 at the inner groove 13 through a pin shaft 14, the outer side of the pressing sheet 4 is of an arc-shaped structure, and the arc-shaped structure of the outer side surface of the pressing sheet 4 is used for arranging abrasive paper 5; the upper end of mounting bracket 3 is not provided with the one end of inner groovy 13 and is used for connecting lathe knife rest 2, is provided with a first through-hole 7 at the lower extreme of the T type structure of mounting bracket 3, the axial of first through-hole 7 is provided with a back shaft 8 towards preforming 4 in first through-hole 7, and back shaft 8 is close to preforming 4 one end and is provided with first arch 9, the diameter of first arch 9 is greater than first through-hole 7 diameter, is provided with stopper 10 at the other end of back shaft 8, and the diameter of stopper 10 is greater than first through-hole 7 diameter, and the cover is equipped with pressure spring 11 on back shaft 8 between first arch 9 and mounting bracket 3.
According to the technical scheme, the outer side face of the pressing sheet 4 is the side, away from the mounting frame 3, of the pressing sheet 4, namely the surface, used for mounting the abrasive paper 5, of the pressing sheet 4, and in contact with the workpiece 1, the surface is consistent with the inner radian of the corresponding workpiece 1 or the radian of the pressing sheet 4 is larger. In actual work, lathe knife rest 2 with mounting bracket 3 fixed connection to remove 1 inside and the laminating of arc inner wall of work piece, make abrasive paper 5 and the laminating of 1 inner wall of work piece, work piece 1 rotates, make abrasive paper 5 carry out polishing treatment to 1 inner wall of work piece. Because the inner diameter of the workpiece 1 has a small amount of errors, the lower end of the pressing sheet 4 is pressed through the support shaft 8 and the pressure spring 11, so that the sand paper 5 keeps a certain pressure on the surface of the workpiece 1, and when the inner diameter of the workpiece 1 slightly changes, the pressing sheet 4 can overcome the pressure of the pressure spring 11 to change the position adaptively, so that the workpiece 1 and the pressing sheet are always kept attached without excessive extrusion. In addition, in the rising process of the mounting rack 3, the pressing sheet 4 is always in contact with the inner wall of the workpiece 1 through a cambered surface, and the inner wall of the workpiece 1 is prevented from being damaged. And in the rotating process of the workpiece 1, the cambered surface of the pressing sheet 4 supports the sand paper 5, so that the sand paper 5 and the inner wall of the workpiece 1 are extruded in a surface-to-surface manner, and the polishing effect is better.
The pressing sheet 4 is provided with a plurality of second through holes, the pressing strips 6 are arranged on two sides of the pressing sheet 4, the pressing strips 6 are provided with third through holes 12 corresponding to the second through holes one by one, and screws penetrate through the second through holes and the third through holes 12 and are used for connecting the pressing strips 6 with the pressing sheet 4. The design of this structure can be fixed firm to abrasive paper 5, and the assembly is simple and convenient.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the present application and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated in a particular orientation, and thus are not to be construed as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be a mechanical connection; they may be directly connected or indirectly connected through intervening media, or may be in the interactive relationship of two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as the case may be.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention has been disclosed by the preferred embodiment, it is not limited to the present invention, and any person skilled in the art can make modifications or changes equivalent to the equivalent embodiment of the above embodiments without departing from the scope of the present invention.
Claims (3)
1. The utility model provides an cambered surface burnishing device which characterized by: the abrasive paper cutting device comprises a mounting frame, wherein the mounting frame is of a T-shaped structure, an inner groove is formed in one end of the upper portion of the mounting frame, the opening of the inner groove is outward from the end portion of the mounting frame of the T-shaped structure, a pressing sheet is arranged inside the inner groove, the pressing sheet is rotatably connected with the mounting frame of the inner groove through a pin shaft, the outer side surface of the pressing sheet is of an arc-shaped structure, and abrasive paper is arranged on the arc-shaped structure of the outer side surface of the pressing sheet; the one end that the upper end of mounting bracket was not provided with the inner groovy is used for connecting the lathe knife rest, is provided with a first through-hole at the lower extreme of the T type structure of mounting bracket, the axial of first through-hole is provided with a back shaft towards the preforming, in first through-hole, and the back shaft is close to preforming one end and is provided with first arch, first bellied diameter is greater than first through-hole diameter, is provided with the stopper at the other end of back shaft, and the diameter of stopper is greater than first through-hole diameter, and the cover is equipped with the pressure spring on the back shaft between first arch and mounting bracket.
2. The arc polishing apparatus of claim 1, wherein: the pressing sheet is provided with a plurality of second through holes, pressing strips are arranged on two sides of the pressing sheet, third through holes which are in one-to-one correspondence with the second through holes are formed in the pressing strips, and screws penetrate through the second through holes and the third through holes and are used for connecting the pressing strips and the pressing sheet.
3. The arc polishing apparatus of claim 1, wherein: the limiting block is a nut, an external thread is arranged on the supporting shaft at one end of the limiting block, and the supporting shaft is connected with the nut through the external thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221501963.6U CN217668664U (en) | 2022-06-15 | 2022-06-15 | Cambered surface polishing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221501963.6U CN217668664U (en) | 2022-06-15 | 2022-06-15 | Cambered surface polishing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217668664U true CN217668664U (en) | 2022-10-28 |
Family
ID=83708943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221501963.6U Active CN217668664U (en) | 2022-06-15 | 2022-06-15 | Cambered surface polishing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217668664U (en) |
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2022
- 2022-06-15 CN CN202221501963.6U patent/CN217668664U/en active Active
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