CN216913398U - Grinding wheel dresser - Google Patents
Grinding wheel dresser Download PDFInfo
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- CN216913398U CN216913398U CN202220505405.0U CN202220505405U CN216913398U CN 216913398 U CN216913398 U CN 216913398U CN 202220505405 U CN202220505405 U CN 202220505405U CN 216913398 U CN216913398 U CN 216913398U
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- connecting shaft
- base
- dressing
- arm
- connecting axle
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Abstract
The utility model relates to the technical field of grinding wheel dressing, in particular to a grinding wheel dresser which comprises a base, a dressing arm and a motor, wherein a first connecting shaft is arranged at the upper end of the dressing arm, a second connecting shaft is arranged at the lower end of the dressing arm, the central axes of the first connecting shaft and the second connecting shaft are overlapped, the first connecting shaft and the second connecting shaft are both rotatably connected with the base, a conical concave structure is arranged at the end part of the first connecting shaft and/or the second connecting shaft, a steel ball is arranged in the conical concave structure and is arranged on the base, the motor is in transmission connection with the first connecting shaft or the second connecting shaft, and a dressing tool is arranged on the dressing arm. According to the grinding wheel dresser, indirect support of the dressing arm on the base is achieved through the steel ball, radial and axial displacement between the dressing arm and the base can be effectively limited, and the grinding wheel dressing precision is improved.
Description
Technical Field
The utility model relates to the technical field of grinding wheel dressing, in particular to a grinding wheel dresser.
Background
In the prior art, the grinding wheel dresser is characterized in that a dressing arm is rotatably connected to a base through two connecting shafts in the vertical direction on the base, the connecting shafts are rotatably connected with the base through bearings, a motor is in transmission connection with the connecting shafts, and the motor drives the dressing arm and a dressing tool on the dressing arm to rotate so as to adjust the position. However, in actual operation, a gap is inevitably formed due to the assembly of the bearing with the connecting shaft and the base. In the process of dressing the grinding wheel, the acting force borne by the dressing tool and the dressing arm is relatively large, so that the dressing error is large due to the gap between the connecting shaft and the base, the borne pressure is small, and the dressing performance is affected.
SUMMERY OF THE UTILITY MODEL
The utility model provides a grinding wheel dresser for solving the technical defects, wherein a steel ball is used for supporting a grinding wheel so as to improve dressing precision.
The utility model discloses a grinding wheel dresser which comprises a base, a dressing arm and a motor, wherein a first connecting shaft is arranged at the upper end of the dressing arm, a second connecting shaft is arranged at the lower end of the dressing arm, the central axes of the first connecting shaft and the second connecting shaft are coincident, the first connecting shaft and the second connecting shaft are both rotatably connected with the base, a conical concave structure is arranged at the end part of the first connecting shaft and/or the second connecting shaft, a steel ball is arranged in the conical concave structure, the steel ball is arranged on the base, the motor is in transmission connection with the first connecting shaft or the second connecting shaft, and a dressing tool is arranged on the dressing arm.
According to the scheme, the base is provided with the trimming arm through the first connecting shaft and the second connecting shaft, and the first connecting shaft and/or the second connecting shaft are/is supported and rotatably connected with the base through the steel balls, so that no gap exists between the first connecting shaft and/or the second connecting shaft and the base, and the first connecting shaft and/or the second connecting shaft can rotate, and therefore in the subsequent trimming process of the grinding wheel, no gap exists between the connecting arm and the base basically, or the gap is extremely small, so that the position fluctuation of a trimming tool in the trimming process is small, and the trimming precision is greatly improved.
The steel ball bearing device is characterized in that a through hole is formed in the base at the position corresponding to the steel ball along the axial direction of the first connecting shaft or the second connecting shaft, a supporting shaft is arranged in the through hole, a conical concave structure is arranged on the end face, close to the steel ball, of the supporting shaft, an outward bulge is arranged on the side wall of at least one supporting shaft, the bulge is located outside the through hole, and an elastic piece is sleeved on the supporting shaft between the bulge and the base. Through set up the through-hole on the base and cup joint the back shaft in the through-hole to set up conical indent structure on the back shaft, so set up the steel ball in two conical indent structures of mutual butt joint, need ensure simultaneously that the central axis of the conical indent structure of first connecting axle, second connecting axle coincides with the central axis of the conical indent structure on the back shaft, so can carry out the position to the steel ball and prescribe a limit to, the back shaft with be direct support between first connecting axle or the second connecting axle, do not have any clearance, bearing capacity is strong. The arrangement of the elastic piece can ensure that the axial positions of the first connecting shaft and the second connecting shaft on the base are supported by the elastic piece, the elastic force of the elastic piece can be determined according to actual requirements, and the axial position of the dressing arm can be generated by overcoming the elastic force of the elastic piece, so that the axial position of the dressing arm can not be changed in the process of dressing the grinding wheel only by the proper elastic force of the elastic piece.
The elastic part is used for pushing the support shaft to one direction and keeping the pressure stable, and can be a spring or a disc spring; of course, the spring or the disc spring is not limited, and other products, such as a rubber block, can be used.
The end part of the first connecting shaft or the second connecting shaft which is not connected with the motor is provided with a limiting ring, the end part of the limiting ring is provided with an annular limiting groove, and the base at the corresponding part of the limiting ring is provided with an annular limiting bulge which is positioned in the annular limiting groove. The annular limiting groove on the limiting ring is matched with the annular limiting bulge on the base, and the radial maximum fluctuation of the first connecting shaft or the second connecting shaft can be limited in the rotating process of the trimming arm and the trimming process of the grinding wheel, so that the safety and the reliability of the equipment in the operation process are ensured.
The motor is a hollow motor and is sleeved on the first connecting shaft or the second connecting shaft. The motor adopts directly to drive hollow motor, can realize the drive to the arm of repairing, and stability is high, does not influence and carries out the tip to first connecting axle, second connecting axle and support.
The middle part of the trimming arm is concave, and the trimming tool is arranged on the trimming arm in the concave part.
The finishing tool is a single-point diamond pen or a finishing roller.
The inward concave design of the trimming arm ensures that the mounting position of the trimming tool is not on the central axis of the first connecting shaft and the second connecting shaft, so that the position and the direction of the trimming tool can be adjusted in the rotating process of the trimming arm.
According to the grinding wheel dresser, indirect support of the dressing arm on the base is achieved through the steel ball, radial and axial displacement between the dressing arm and the base can be effectively limited, and the grinding wheel dressing precision is improved.
Drawings
Fig. 1 is a schematic structural view of a dresser in embodiment 1 of the present invention;
fig. 2 is a schematic cross-sectional view of a dresser in embodiment 1 of the present invention;
fig. 3 is a partially enlarged schematic view at the motor of embodiment 1 of the utility model;
FIG. 4 is a partially enlarged view of a steel ball according to embodiment 1 of the present invention;
fig. 5 is a schematic structural view of a dresser in embodiment 2 of the present invention;
FIG. 6 is a schematic sectional view of a dresser in embodiment 2 of the present invention;
fig. 7 is a partially enlarged schematic view of a first connecting shaft according to embodiment 2 of the present invention;
fig. 8 is a partially enlarged schematic view of a second connecting shaft in embodiment 2 of the present invention.
Detailed Description
To further illustrate the technical means and effects of the present invention for achieving the intended purpose of the utility model, 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, 3, and 4, the utility model discloses a grinding wheel dresser, which comprises a base 1, a dressing arm 2, and a motor 4, wherein a first connecting shaft 3 is arranged at the upper end of the dressing arm 2, a second connecting shaft 5 is arranged at the lower end of the dressing arm 2, the central axes of the first connecting shaft 3 and the second connecting shaft 5 are coincident, the first connecting shaft 3 and the second connecting shaft 5 are both rotatably connected with the base 1, a conical concave structure 11 is arranged at the end of the second connecting shaft 5, a steel ball 7 is arranged in the conical concave structure 11, the steel ball 7 is arranged on the base 1, the motor 4 is in transmission connection with the first connecting shaft 3, and a dressing tool is arranged on the dressing arm 2. The first connecting shaft 3 is connected to the base 1 by a double-row angular contact bearing 10.
According to the scheme, the base 1 is provided with the dressing arm 2 through the first connecting shaft 3 and the second connecting shaft 5, and the second connecting shaft 5 is supported and rotatably connected with the base 1 through the steel ball 7, so that the second connecting shaft 5 and the base 1 have no gap and can rotate, and therefore in the subsequent dressing process of the grinding wheel, the connecting arm and the base 1 have no gap basically or the gap is extremely small, the position fluctuation of a dressing tool in the dressing process is small, and the dressing precision is greatly improved.
A through hole 17 is formed in the base 1 at the position corresponding to the steel ball 7 along the axial direction of the second connecting shaft 5, a supporting shaft 8 is arranged in the through hole 17, a conical concave structure 11 is arranged on the end face, close to the steel ball 7, of the supporting shaft 8, an outward bulge 18 is arranged on the side wall of the supporting shaft 8, the bulge 18 is located outside the through hole 17, and an elastic piece 9 is sleeved on the supporting shaft 8 between the bulge 18 and the base 1. Through set up through-hole 17 and cup joint the back shaft 8 in through-hole 17 on base 1, and set up conical indent structure 11 on back shaft 8, so set up steel ball 7 in two conical indent structures 11 that dock each other, namely in conical indent structure 11 of back shaft 8 and the conical indent structure 11 of second connecting axle 5, need ensure simultaneously that the central axis of the conical indent structure 11 of second connecting axle 5 coincides with the central axis of the conical indent structure 11 on the back shaft 8, so can carry out the position to steel ball 7 and prescribe a limit to, there is the interval between the upper end of back shaft 8 and the lower extreme of second connecting axle 5, back shaft 8 with connect the support through steel ball 7 between the second connecting axle 5, no any clearance, bearing capacity is strong. The arrangement of the elastic piece 9 can ensure that the axial position of the second connecting shaft 5 on the base 1 is supported by the elastic piece 9, the elastic force of the elastic piece 9 can be determined according to actual requirements, and the axial position of the dressing arm 2 can be generated by overcoming the elastic force of the elastic piece 9, so that the axial position of the dressing arm 2 can not be changed in the process of dressing the grinding wheel only by proper elastic force of the elastic piece 9.
The elastic piece 9 is used for pushing the supporting shaft 8 in one direction, namely pushing the supporting shaft 8, the second connecting shaft 5, the trimming arm 2 and the like upwards, keeping the highest position and keeping the pressure stable. The elastic member 9 may be a disc spring; in other embodiments, the elastic member 9 may be a spring, but is not limited to a spring or a disc spring, and may be other products, such as a rubber block.
The end part of the second connecting shaft 5 is provided with a limiting ring 12, the end part of the limiting ring 12 is provided with an annular limiting groove 13, an annular limiting bulge 14 is arranged on the base 1 at the corresponding part of the limiting ring 12, and the annular limiting bulge 14 is positioned in the annular limiting groove 13. The annular limiting groove 13 on the limiting ring 12 is matched with the annular limiting bulge 14 on the base 1, and the radial maximum fluctuation of the second connecting shaft 5 can be limited in the rotating process of the dressing arm 2 and the dressing process of the grinding wheel, so that the safety and the reliability of the equipment in the operation process are ensured.
The motor 4 is a hollow motor 4 which is sleeved on the first connecting shaft 3. The motor 4 adopts the direct-drive hollow motor 4, can realize the drive to the trimming arm 2, and stability is high, does not influence and carries out the tip to first connecting axle 3, second connecting axle 5 and support.
The middle part of the trimming arm 2 is concave, and the trimming tool is arranged on the trimming arm 2 in the concave part.
The finishing tool is a single point diamond pen 6. Of course the dressing tool is a dressing roller 16.
The concave design of the dressing arm 2 makes the installation position of the dressing tool not on the central axis of the first connecting shaft 3 and the second connecting shaft 5, so that the position and the direction of the dressing tool can be adjusted during the rotation of the dressing arm 2.
Example 2:
as shown in fig. 5, 6, 7 and 8, the utility model discloses a grinding wheel dresser, which comprises a base 1, a dressing arm 2 and a motor 4, wherein a first connecting shaft 3 is arranged at the upper end of the dressing arm 2, a second connecting shaft 5 is arranged at the lower end of the dressing arm 2, the central axes of the first connecting shaft 3 and the second connecting shaft 5 are overlapped, the first connecting shaft 3 and the second connecting shaft 5 are both rotatably connected with the base 1, conical concave structures 11 are arranged at the end parts of the first connecting shaft 3 and the second connecting shaft 5, steel balls 7 are arranged in the conical concave structures 11, the steel balls 7 are arranged on the base 1, the motor 4 is in transmission connection with the first connecting shaft 3, and a dressing tool is arranged on the dressing arm 2.
According to the scheme, the base 1 is provided with the trimming arm 2 through the first connecting shaft 3 and the second connecting shaft 5, the first connecting shaft 3, the second connecting shaft 5 and the base 1 are supported and rotatably connected through the steel ball 7, so that the first connecting shaft 3, the second connecting shaft 5 and the base 1 are free of gaps and can rotate, the connecting arm and the base 1 are free of gaps basically or have extremely small gaps in the subsequent trimming process of the grinding wheel, the position fluctuation of a trimming tool in the trimming process is small, and the trimming precision is greatly improved.
Through holes 17 are formed in the base 1 at the corresponding position of the steel ball 7 along the axial direction of the first connecting shaft 3 or the second connecting shaft 5, supporting shafts 8 are arranged in the through holes 17, conical concave structures 11 are arranged on the end faces, close to the steel ball 7, of the supporting shafts 8, outward bulges 18 are arranged on the side walls of the two supporting shafts 8, the bulges 18 are located outside the through holes 17, and elastic pieces 9 are sleeved on the supporting shafts 8 between the bulges 18 on the supporting shafts 8 corresponding to the first connecting shafts 3 and the base 1. Wherein the projection 18 of the supporting shaft 8 corresponding to the second connecting shaft 5 is erected at the edge of the through hole 17 of the base 1. Through set up through-hole 17 and cup joint the back shaft 8 in through-hole 17 on base 1 to set up conical indent structure 11 on back shaft 8, so set up steel ball 7 in two conical indent structures 11 of mutual butt joint, need ensure simultaneously that the central axis of the conical indent structure 11 of first connecting axle 3, second connecting axle 5 coincides with the central axis of the conical indent structure 11 on the back shaft 8, so can carry out the position to steel ball 7 and prescribe a limit to, back shaft 8 with be direct support between first connecting axle 3 and the second connecting axle 5, do not have any clearance, bearing capacity is strong. The arrangement of the elastic part 9 can ensure that the axial position of the first connecting shaft 3 on the base 1 is supported by the elastic part 9, the elastic force of the elastic part 9 can be determined according to actual requirements, and the axial position of the dressing arm 2 can be generated by overcoming the elastic force of the elastic part 9, so that the axial position of the dressing arm 2 can not be changed in the process of dressing the grinding wheel only by proper elastic force of the elastic part 9.
The elastic part 9 is used for pushing the supporting shaft 8 in one direction and keeping pressure stable, and can be a disc spring, and the disc spring extrudes the first connecting shaft 3 downwards, so that the first connecting shaft 3, the trimming arm 2 and the second connecting shaft 5 are supported on the supporting shaft 8 below without any gap; in other embodiments, the elastic member 9 may be a spring, but is not limited to a spring or a disc spring, and may be other products, such as a rubber block.
The top of the base 1 is provided with a passage through which the first connecting shaft 3 passes.
A limiting ring 12 is arranged at the end part of the second connecting shaft 5, an annular limiting groove 13 is arranged at the end part of the limiting ring 12, an annular limiting bulge 14 is arranged on the base 1 at the corresponding part of the limiting ring 12, and the annular limiting bulge 14 is positioned in the annular limiting groove 13. The annular limiting groove 13 on the limiting ring 12 is matched with the annular limiting bulge 14 on the base 1, and the radial maximum fluctuation of the second connecting shaft 5 can be limited in the rotating process of the dressing arm 2 and the dressing process of the grinding wheel, so that the safety and the reliability of the equipment in the operation process are ensured.
The motor 4 is a hollow motor 4 which is sleeved on the first connecting shaft 3. The motor 4 adopts a direct-drive hollow motor 4, can drive the trimming arm 2, has high stability, and does not influence the end support of the first connecting shaft 3 and the second connecting shaft 5.
The middle part of the trimming arm 2 is concave, and the trimming tool is arranged on the trimming arm 2 in the concave part.
The dressing tool is a dressing roller 16. Of course the dressing tool can also be a single point diamond pen 6.
The concave design of the dressing arm 2 makes the installation position of the dressing tool not on the central axis of the first connecting shaft 3 and the second connecting shaft 5, so that the position and the direction of the dressing tool can be adjusted during the rotation of the dressing arm 2.
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 the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and 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 implicitly indicating 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.
Although the present invention has been described with reference to the preferred embodiments, it is to be understood that the utility model is not limited to the disclosed embodiments, but may be embodied or carried out in various forms without departing from the spirit and scope of the utility model.
Claims (7)
1. The utility model provides a grinding wheel dresser which characterized by: including base, trimming arm, motor, be provided with first connecting axle in trimming arm's upper end, be provided with the second connecting axle at trimming arm's lower extreme, the coincidence of the central axis of first connecting axle and second connecting axle, first connecting axle and second connecting axle all with the base rotates to be connected, and the tip of first connecting axle and/or second connecting axle is provided with conical indent structure, is provided with the steel ball in conical indent structure, the steel ball sets up on the base, the motor sets up on the base, the transmission is connected between motor and first connecting axle or the second connecting axle, is provided with the trimming tool on trimming arm.
2. The wheel dresser of claim 1, wherein: the steel ball bearing device is characterized in that a through hole is formed in the base at the position corresponding to the steel ball along the axial direction of the first connecting shaft or the second connecting shaft, a supporting shaft is arranged in the through hole, a conical concave structure is arranged on the end face, close to the steel ball, of the supporting shaft, an outward bulge is arranged on the side wall of at least one supporting shaft, the bulge is located outside the through hole, and an elastic piece is sleeved on the supporting shaft between the bulge and the base.
3. The wheel dresser of claim 2, wherein: the elastic piece is a spring or a disc spring.
4. A wheel dresser according to claim 1, 2 or 3, wherein: the end part of the first connecting shaft or the second connecting shaft which is not connected with the motor is provided with a limiting ring, the end part of the limiting ring is provided with an annular limiting groove, and the base at the corresponding part of the limiting ring is provided with an annular limiting bulge which is positioned in the annular limiting groove.
5. A wheel dresser as claimed in claim 1, 2 or 3, wherein: the motor is a hollow motor and is sleeved on the first connecting shaft or the second connecting shaft.
6. A wheel dresser as claimed in claim 1, 2 or 3, wherein: the middle part of the trimming arm is concave, and the trimming tool is arranged on the trimming arm in the concave part.
7. A wheel dresser according to claim 1, 2 or 3, wherein: the finishing tool is a single-point diamond pen or a finishing roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220505405.0U CN216913398U (en) | 2022-03-07 | 2022-03-07 | Grinding wheel dresser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220505405.0U CN216913398U (en) | 2022-03-07 | 2022-03-07 | Grinding wheel dresser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216913398U true CN216913398U (en) | 2022-07-08 |
Family
ID=82225126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220505405.0U Active CN216913398U (en) | 2022-03-07 | 2022-03-07 | Grinding wheel dresser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216913398U (en) |
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2022
- 2022-03-07 CN CN202220505405.0U patent/CN216913398U/en active Active
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