CN220196538U - Coarse grinding wheel with conical grinding structure - Google Patents
Coarse grinding wheel with conical grinding structure Download PDFInfo
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- CN220196538U CN220196538U CN202320849894.6U CN202320849894U CN220196538U CN 220196538 U CN220196538 U CN 220196538U CN 202320849894 U CN202320849894 U CN 202320849894U CN 220196538 U CN220196538 U CN 220196538U
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- grinding wheel
- grinding
- wheel base
- base body
- conical
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- 229910001651 emery Inorganic materials 0.000 claims description 10
- 239000011159 matrix material Substances 0.000 claims description 10
- 229910052582 BN Inorganic materials 0.000 claims description 4
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 2
- 230000005484 gravity Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 3
- 238000005299 abrasion Methods 0.000 abstract description 2
- 239000011324 bead Substances 0.000 description 14
- 230000006978 adaptation Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000004323 axial length Effects 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000005457 optimization Methods 0.000 description 1
Abstract
The utility model provides a rough grinding wheel with a conical grinding structure, which comprises a grinding wheel base body, wherein the grinding wheel base body is provided with conical convex edges, a positioning convex block is further arranged on the grinding wheel base body, a jogged notch is formed between adjacent positioning convex blocks, the circumferential outer wall of the grinding wheel base body is provided with the conical convex edges, the top of each conical convex edge is provided with an arc-shaped top surface which is matched with the shape of the bottom of a tooth slot, a grinding shell layer on each arc-shaped top surface can grind the bottom of the tooth slot, two sides of each conical convex edge are respectively provided with arc-shaped side surfaces which are matched with the shape of the side wall of an external tooth, the grinding shell layer on each arc-shaped side surface can grind the outer tooth side wall, the installation stability of the grinding wheel is improved, meanwhile, the thickness of the grinding wheel base body is larger than that of each wedge-shaped convex edge, the gravity center of the grinding wheel is concentrated in the middle, the running stability of the grinding wheel is further improved, and forced vibration on the arc-shaped top surface and the grinding shell layers on the arc-shaped side surfaces are avoided, so that the abrasion resistance of the whole grinding wheel is improved.
Description
Technical Field
The utility model relates to a grinding wheel, in particular to a rough grinding wheel with a conical grinding structure.
Background
In the processing process of the transmission gear for the vehicle, the external teeth of the transmission gear need to adopt a rough grinding wheel to remove most of the allowance and burrs of a blank, and the transmission gear is prepared for the next fine grinding process. Patent document CN201863130U discloses a grinding wheel applicable to external tooth grinding, the working face of the grinding wheel is a surface of revolution, the middle part of the surface of revolution is a concave surface, the intersecting line formed by the longitudinal section of the grinding wheel along the axial direction and the working face of the grinding wheel is a wave-shaped curve, the wave-shaped curve is formed by sequentially connecting three sections of circular arcs, the working face of the grinding wheel is a surface of revolution, and the line grinding of the single grinding wheel is replaced by surface grinding, so that the grinding time can be shortened. However, the working surface of the grinding wheel is a revolution surface formed by a wavy curve, the working surface cannot be matched with the side wall of the external tooth and the bottom of the tooth slot, the grinding quantity of the grinding wheel is large in the rough grinding process, the grinding wheel is more prone to vibrating in operation, a grinding layer is damaged, and the abrasion resistance and the service life of the grinding wheel are further reduced. Therefore, there is a need for structural optimization of such rough grinding stones to overcome the above-mentioned drawbacks.
Disclosure of Invention
The utility model aims to provide a rough grinding wheel with a conical grinding structure, so that the wear resistance and the running stability of the rough grinding wheel are improved.
The utility model adopts the technical proposal for solving the technical problems that:
the utility model provides a coarse grinding emery wheel with toper grinding structure, includes the emery wheel base member, and this emery wheel base member surface adheres to and has the grinding shell layer, and the emery wheel base member passes through the switching structure and installs on the drive main shaft, can drive the emery wheel base member operation by the drive main shaft, makes the grinding shell layer carry out grinding treatment to the work piece surface, wherein:
the grinding wheel base body is provided with a conical convex rib which is positioned on the circumferential outer wall of the grinding wheel base body, extends along the circumferential direction of the grinding wheel base body, protrudes outwards along the radial direction of the grinding wheel base body, can move along with the grinding wheel base body, and a grinding shell layer is attached to the outer wall of the conical convex rib;
the grinding wheel base body is also provided with a group of positioning convex blocks, each positioning convex block is respectively positioned at the axial end part of the grinding wheel base body, is sequentially distributed along the circumferential direction of the grinding wheel base body and protrudes outwards along the axial direction of the grinding wheel base body, an embedded notch is formed between the adjacent positioning convex blocks, the grinding wheel base body is fixedly connected with the driving main shaft through an adapter fitting with the embedded notch, and the positioning convex blocks are used for circumferentially positioning the grinding wheel base body.
The grinding wheel base body is also provided with a supporting convex ring, the supporting convex ring is positioned between the bottom of the conical convex rib and the outer wall of the grinding wheel base body, the height of the supporting convex ring is smaller than that of the conical convex rib, the conical convex rib is supported by the supporting convex ring, the bottom of the grinding shell layer is attached to the outer wall of the supporting convex ring, and the supporting convex ring is used for structurally reinforcing the joint part between the conical convex rib and the grinding wheel base body.
The top of the conical convex rib is provided with an arc top surface which protrudes outwards along the radial direction of the conical convex rib and is matched with the shape of the bottom of the tooth slot, so that the grinding shell on the arc top surface carries out grinding treatment on the bottom of the tooth slot.
The two sides of the conical rib are respectively provided with an arc-shaped side surface, each arc-shaped side surface is respectively recessed towards the inner part of the conical rib, extends along the circumferential direction of the conical rib and is matched with the shape of the side wall of the external tooth, so that the grinding shell layer on the arc-shaped side surface can grind the side wall of the external tooth.
The curvature of the arcuate top surface is greater than the curvature of the arcuate side surfaces.
In one embodiment of the utility model, the height of the tapered rib is one-fourth the radius of the grinding wheel base and the height of the supporting collar is one-fourth the height of the tapered rib.
The middle part of the grinding wheel matrix is provided with an assembly shaft hole, the assembly shaft hole axially penetrates through two ends of the grinding wheel matrix, the positioning protruding blocks are distributed around the assembly shaft hole, the embedded notch is communicated with the assembly shaft hole, and the grinding wheel matrix is matched with the driving main shaft through the assembly shaft hole and the embedded notch.
The included angle between the arc-shaped side surfaces is 50-70 degrees.
The grinding shell layer is made of cubic boron nitride particles.
The positioning lug is positioned at the axial front end of the grinding wheel base body, and the conical convex edge is positioned at the front side of the central cross section of the grinding wheel base body.
The utility model has the advantages that:
this coarse grinding wheel sets up the toper bead at the circumference outer wall of grinding wheel base member to set up the arc top surface with tooth's socket bottom shape adaptation at toper bead top, make the grinding shell on the arc top surface can carry out grinding treatment to tooth's socket bottom, still set up the arc side with external tooth lateral wall shape adaptation respectively in toper bead both sides, make the grinding shell on the arc side can carry out grinding treatment to external tooth lateral wall, annular flange and the assembly shaft hole that grinding wheel base member axial both ends set up constitute jointly with drive main shaft complex assembly structure, annular flange's axial length is greater than the thickness of grinding wheel base member, can promote the installation stability of grinding wheel, the thickness of grinding wheel base member is greater than the thickness of wedge bead simultaneously, make its focus concentrate in the middle part, further promote the running stability of grinding wheel, avoid causing forced vibration to the grinding shell on arc top surface and the arc side, thereby promote the wear resistance of whole grinding wheel.
Drawings
FIG. 1 is a schematic front view of a rough grinding wheel having a tapered grinding configuration according to the present utility model;
FIG. 2 is a schematic view of the rear face structure of the grinding wheel;
fig. 3 is a schematic cross-sectional structure of the grinding wheel.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1 to 3, the rough grinding wheel with the conical grinding structure provided by the utility model comprises a grinding wheel matrix 100, wherein a grinding shell layer is attached to the surface of the grinding wheel matrix, the grinding wheel matrix is arranged on a driving main shaft through an adapter structure, and the driving main shaft can drive the grinding wheel matrix to run, so that the grinding shell layer carries out grinding treatment on the surface of a workpiece; the grinding wheel base body is provided with a conical convex rib 200 which is positioned on the circumferential outer wall of the grinding wheel base body, extends along the circumferential direction of the grinding wheel base body, protrudes outwards along the radial direction of the grinding wheel base body, can move along with the grinding wheel base body, and a grinding shell layer is attached to the outer wall of the conical convex rib; the grinding wheel base body is also provided with a set of positioning convex blocks 300, each positioning convex block is respectively positioned at the axial end part of the grinding wheel base body, is sequentially distributed along the circumferential direction of the grinding wheel base body and protrudes outwards along the axial direction of the grinding wheel base body, an embedded notch is formed between the adjacent positioning convex blocks, the grinding wheel base body is fixedly connected with the driving main shaft through an adapter matched with the embedded notch, and the positioning convex blocks are used for circumferentially positioning the grinding wheel base body.
In embodiment 1, the grinding wheel base is further provided with a supporting convex ring 110, which is located between the bottom of the tapered rib and the outer wall of the grinding wheel base and has a height smaller than the height of the tapered rib, the tapered rib is supported by the supporting convex ring, the bottom of the grinding shell is attached to the outer wall of the supporting convex ring, and the joint between the tapered rib and the grinding wheel base is structurally reinforced by the supporting convex ring.
The top of the tapered rib has an arcuate top surface 210 which projects radially outwardly of the tapered rib and is adapted to the shape of the tooth slot bottom so that the grinding shell on the arcuate top surface grinds the tooth slot bottom.
The two sides of the conical bead are respectively provided with an arc-shaped side surface 220, each arc-shaped side surface is respectively recessed towards the inner part of the conical bead, extends along the circumferential direction of the conical bead and is matched with the shape of the outer tooth side wall, so that the grinding shell layer on the arc-shaped side surface can grind the outer tooth side wall.
The curvature of the arcuate top surface is greater than the curvature of the arcuate side surfaces.
The assembly shaft hole 120 is formed in the middle of the grinding wheel base body, the assembly shaft hole penetrates through two ends of the grinding wheel base body along the axial direction, the positioning protruding blocks are distributed around the assembly shaft hole, the embedded notch is communicated with the assembly shaft hole, and the grinding wheel base body is matched with the driving main shaft through the assembly shaft hole and the embedded notch.
The grinding shell layer is made of cubic boron nitride particles.
In this embodiment, the positioning boss is located at the axial front end of the grinding wheel base, and the tapered rib is located at the front side of the center cross section of the grinding wheel base, so that the center of gravity of the entire grinding wheel is offset toward the front end.
In embodiment 2, a supporting convex ring 110 is further provided on the grinding wheel base, the supporting convex ring is located between the bottom of the conical convex rib and the outer wall of the grinding wheel base, the height of the supporting convex ring is smaller than that of the conical convex rib, the conical convex rib is supported by the supporting convex ring, the bottom of the grinding shell layer is attached to the outer wall of the supporting convex ring, and the joint between the conical convex rib and the grinding wheel base is structurally reinforced by the supporting convex ring.
The top of the tapered rib has an arcuate top surface 210 which projects radially outwardly of the tapered rib and is adapted to the shape of the tooth slot bottom so that the grinding shell on the arcuate top surface grinds the tooth slot bottom.
The two sides of the conical bead are respectively provided with an arc-shaped side surface 220, each arc-shaped side surface is respectively recessed towards the inner part of the conical bead, extends along the circumferential direction of the conical bead and is matched with the shape of the outer tooth side wall, so that the grinding shell layer on the arc-shaped side surface can grind the outer tooth side wall.
The curvature of the arcuate top surface is greater than the curvature of the arcuate side surfaces.
In this embodiment, the height of the tapered rib is one-fourth the radius of the grinding wheel base, and the height of the supporting collar is one-fourth the height of the tapered rib.
The assembly shaft hole 120 is formed in the middle of the grinding wheel base body, the assembly shaft hole penetrates through two ends of the grinding wheel base body along the axial direction, the positioning protruding blocks are distributed around the assembly shaft hole, the embedded notch is communicated with the assembly shaft hole, and the grinding wheel base body is matched with the driving main shaft through the assembly shaft hole and the embedded notch.
In this embodiment, the grinding wheel base body is further provided with a positioning through hole 130, the positioning through hole is provided with a group, each positioning through hole penetrates through two ends of the grinding wheel base body along the axial direction respectively and corresponds to the position of the embedded notch, and the grinding wheel base body can be fixedly connected with the driving spindle through a fastening bolt matched with the positioning through hole.
In this embodiment, the angle between the arcuate sides is 60 °.
The grinding shell layer is made of cubic boron nitride particles.
In this embodiment, the positioning boss is located at the axial front end of the grinding wheel base, and the tapered rib is located at the front side of the center cross section of the grinding wheel base, so that the center of gravity of the entire grinding wheel is offset toward the front end.
This coarse grinding wheel sets up the toper bead at the circumference outer wall of grinding wheel base member to set up the arc top surface with tooth's socket bottom shape adaptation at toper bead top, make the grinding shell on the arc top surface can carry out grinding treatment to tooth's socket bottom, still set up the arc side with external tooth lateral wall shape adaptation respectively in toper bead both sides, make the grinding shell on the arc side can carry out grinding treatment to external tooth lateral wall, annular flange and the assembly shaft hole that grinding wheel base member axial both ends set up constitute jointly with drive main shaft complex assembly structure, annular flange's axial length is greater than the thickness of grinding wheel base member, can promote the installation stability of grinding wheel, the thickness of grinding wheel base member is greater than the thickness of wedge bead simultaneously, make its focus concentrate in the middle part, further promote the running stability of grinding wheel, avoid causing forced vibration to the grinding shell on arc top surface and the arc side, thereby promote the wear resistance of whole grinding wheel.
In the description of the present utility model, it should be noted that, when terms such as "upper", "lower", "inner", "outer", "left", "right", and the like indicate orientations or positional relationships, are to be understood as being based on the orientations or positional relationships shown in the drawings, or the orientations or positional relationships conventionally put in use of the inventive product, or the orientations or positional relationships conventionally understood by those skilled in the art, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements to be referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, when used herein, are used merely for distinguishing between descriptions and not for indicating or implying a relative importance. In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, terms such as "mounted," "configured," and "connected" are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Claims (9)
1. The utility model provides a coarse grinding emery wheel with toper grinding structure, includes the emery wheel base member, and this emery wheel base member surface adheres to and has the grinding shell layer, and the emery wheel base member passes through the switching structure and installs on the drive main shaft, can drive the emery wheel base member operation by the drive main shaft, makes the grinding shell layer carry out grinding treatment to work piece surface, its characterized in that:
the grinding wheel base body is provided with a conical convex rib which is positioned on the circumferential outer wall of the grinding wheel base body, extends along the circumferential direction of the grinding wheel base body, protrudes outwards along the radial direction of the grinding wheel base body, can move along with the grinding wheel base body, and a grinding shell layer is attached to the outer wall of the conical convex rib;
the grinding wheel base body is also provided with a group of positioning convex blocks, each positioning convex block is respectively positioned at the axial end part of the grinding wheel base body, is sequentially distributed along the circumferential direction of the grinding wheel base body and protrudes outwards along the axial direction of the grinding wheel base body, an embedded notch is formed between the adjacent positioning convex blocks, the grinding wheel base body is fixedly connected with the driving main shaft through an adapter fitting with the embedded notch, and the positioning convex blocks are used for circumferentially positioning the grinding wheel base body.
2. A rough grinding wheel having a tapered grinding structure according to claim 1, wherein:
the grinding wheel base body is also provided with a supporting convex ring, the supporting convex ring is positioned between the bottom of the conical convex rib and the outer wall of the grinding wheel base body, the height of the supporting convex ring is smaller than that of the conical convex rib, the conical convex rib is supported by the supporting convex ring, the bottom of the grinding shell layer is attached to the outer wall of the supporting convex ring, and the supporting convex ring is used for structurally reinforcing the joint part between the conical convex rib and the grinding wheel base body.
3. A rough grinding wheel having a tapered grinding structure according to claim 1, wherein:
the top of the conical convex rib is provided with an arc top surface which protrudes outwards along the radial direction of the conical convex rib and is matched with the shape of the bottom of the tooth slot, so that the grinding shell on the arc top surface carries out grinding treatment on the bottom of the tooth slot.
4. A rough grinding wheel having a tapered grinding structure according to claim 3, wherein:
the two sides of the conical rib are respectively provided with an arc-shaped side surface, each arc-shaped side surface is respectively recessed towards the inner part of the conical rib, extends along the circumferential direction of the conical rib and is matched with the shape of the side wall of the external tooth, so that the grinding shell layer on the arc-shaped side surface can grind the side wall of the external tooth.
5. A rough grinding wheel having a tapered grinding structure according to claim 4, wherein:
the curvature of the arcuate top surface is greater than the curvature of the arcuate side surfaces.
6. A rough grinding wheel having a tapered grinding structure according to claim 1, wherein:
the middle part of the grinding wheel matrix is provided with an assembly shaft hole, the assembly shaft hole axially penetrates through two ends of the grinding wheel matrix, the positioning protruding blocks are distributed around the assembly shaft hole, the embedded notch is communicated with the assembly shaft hole, and the grinding wheel matrix is matched with the driving main shaft through the assembly shaft hole and the embedded notch.
7. A rough grinding wheel having a tapered grinding structure according to claim 4, wherein:
the included angle between the arc-shaped side surfaces is 50-70 degrees.
8. A rough grinding wheel having a tapered grinding structure according to claim 1, wherein:
the grinding shell layer is made of cubic boron nitride particles.
9. A rough grinding wheel having a tapered grinding structure according to claim 1, wherein:
the positioning lug is positioned at the axial front end of the grinding wheel base body, and the conical convex edge is positioned at the front side of the central cross section of the grinding wheel base body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320849894.6U CN220196538U (en) | 2023-04-11 | 2023-04-11 | Coarse grinding wheel with conical grinding structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320849894.6U CN220196538U (en) | 2023-04-11 | 2023-04-11 | Coarse grinding wheel with conical grinding structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220196538U true CN220196538U (en) | 2023-12-19 |
Family
ID=89156148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320849894.6U Active CN220196538U (en) | 2023-04-11 | 2023-04-11 | Coarse grinding wheel with conical grinding structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220196538U (en) |
-
2023
- 2023-04-11 CN CN202320849894.6U patent/CN220196538U/en active Active
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