CN214562092U - Wheel passing device - Google Patents
Wheel passing device Download PDFInfo
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- CN214562092U CN214562092U CN202023183537.6U CN202023183537U CN214562092U CN 214562092 U CN214562092 U CN 214562092U CN 202023183537 U CN202023183537 U CN 202023183537U CN 214562092 U CN214562092 U CN 214562092U
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Abstract
The utility model provides a wheel passing device, which comprises a wheel hub rotationally connected with a shaft, wherein the circumferential outer wall of the wheel hub is provided with an installation combination groove, and a polyurethane ring is connected with the wheel hub through the installation combination groove; the section of the mounting combination groove is in a right trapezoid shape, and an annular bulge is processed on one side, close to the straight waist, of the outer edge of the hub; the circumferential inner wall of the polyurethane ring is provided with a bulge extending towards the axis direction of the polyurethane ring, the bulge is arranged in the installation combination groove, one side of the bulge close to the inclined waist is abutted against the inclined waist, and gaps are reserved between the rest part of the bulge and the installation combination groove; the circumferential outer wall of the polyurethane ring is provided with a V-shaped groove; the side wall of the polyurethane ring close to one side of the annular bulge is abutted against the annular bulge. The utility model discloses a wheel hub is big with the area of contact of polyurethane circle, and partial position has the clearance, can adapt to the small circle deformation of polyurethane circle, can have bigger bearing capacity.
Description
Technical Field
The utility model relates to a silicon rod cutting technical field particularly is the third wheel that the wire cut electrical discharge machining bed adopted, especially relates to a third wheel device.
Background
The wire cutting wheel is a key part for wire conveying and controlling of the wire cutting machine, and is stable and reliable in high-speed operation, so that a steel wire cannot shake, and the service life of the wheel can be prolonged.
The traditional wheel comprises a hub 1 ' and a polyurethane ring 2 ', wherein the polyurethane ring 2 ' is a wearing part, also called a consumable, and needs to be replaced when the wearing part is used for a certain time, as shown in figure 1. The hub 1 'and the polyurethane ring 2' are assembled through a small V-shaped groove, and a gap is reserved between the polyurethane ring 2 'and the annular protrusion of the hub 1', so that when the wire drawing device works, under the action of steel wire tension, the rubber ring can drop off sometimes due to the fact that the contact area of the V-shaped groove is very small, and faults such as wire breaking, shutdown and the like are caused. And the bearing capacity is small, and the device cannot be suitable for high-speed rotation.
SUMMERY OF THE UTILITY MODEL
According to the technical problem, a wheel passing device is provided.
The utility model discloses a technical means as follows:
a wheel passing device comprises a hub rotatably connected with a shaft, wherein a mounting and combining groove is processed on the circumferential outer wall of the hub, and a polyurethane ring is connected with the hub through the mounting and combining groove;
the cross section of the installation combination groove is in a right trapezoid shape, two groove walls of the installation combination groove are respectively a straight waist and an oblique waist of the right trapezoid shape, and the width of the groove bottom of the installation combination groove is shorter than that of the groove opening of the installation combination groove; an annular bulge is processed on one side of the outer edge of the hub, which is close to the straight waist;
the circumferential inner wall of the polyurethane ring is provided with a bulge extending towards the axis direction of the polyurethane ring, the bulge is arranged in the installation combination groove, the side wall of one side of the bulge close to the inclined waist is an inclined edge matched with the inclined waist in inclination angle and is close to the inclined waist, and gaps are reserved between one side of the bulge close to the bottom of the installation combination groove and one side of the bulge close to the straight waist and the installation combination groove;
the circumferential outer wall of the polyurethane ring is provided with a V-shaped groove;
the side wall of the polyurethane ring close to one side of the annular bulge is abutted against the annular bulge;
the portion of the circumferential inner wall of the polyurethane ring without the projection abuts against the circumferential outer wall of the hub.
Furthermore, the side wall of one side of the protrusion, which is close to the straight waist, is sequentially processed with a first step and a second step in the direction extending towards the axis of the polyurethane ring, and the distance between the first step and the straight waist is smaller than the distance between the second step and the straight waist.
Further, the hub is rotatably connected to the shaft via a rotation mechanism.
Furthermore, the rotating mechanism comprises a bearing seat fixedly connected with the hub, a locking nut arranged in the bearing seat and rotatably connected with the bearing seat, a bearing sleeved on the shaft, a locking nut screwed at the end part of the shaft, a gasket arranged between the locking nut and the bearing, sealing rings and end covers axially arranged at two ends of the bearing seat respectively, and a sealing ring arranged between the end covers and the bearing seat.
Compared with the prior art, the utility model has the advantages of it is following:
1. the utility model discloses a wheel hub is big with the area of contact of polyurethane circle, and partial position has the clearance, can adapt to the small circle deformation of polyurethane circle, can have bigger bearing capacity.
2. The polyurethane ring is not easy to fall off, the work is stable, and the reliability of the machine tool is improved.
Based on the above reason the utility model discloses can be on-line cutting machine's fields such as break pulley extensively promote.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of a conventional wheel structure in the background art of the present invention.
Fig. 2 is a schematic structural view of a third wheel device in the embodiment of the present invention.
FIG. 3 is an enlarged view of part A of FIG. 2
Fig. 4 is a schematic structural view of a circumferential side wall of a hub according to an embodiment of the present invention.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. Any specific values in all examples shown and discussed herein are to be construed as exemplary only and not as limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element in question must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as limiting the scope of the present invention: the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.
As shown in fig. 2 to 4, a wheel passing device comprises a hub 1 rotatably connected with a shaft 3, wherein a mounting and combining groove 4 is formed in the circumferential outer wall of the hub 1, and a polyurethane ring 2 is connected with the hub 1 through the mounting and combining groove 4;
the section of the installation combination groove 4 is in a right trapezoid shape, two groove walls of the installation combination groove 4 are respectively a straight waist and an oblique waist of the right trapezoid shape, and the width of the groove bottom of the installation combination groove 4 is shorter than that of the notch of the installation combination groove; an annular bulge 5 is processed on one side of the outer edge of the hub 1 close to the straight waist;
the circumferential inner wall of the polyurethane ring 2 is provided with a bulge 6 extending towards the axis direction, the bulge 6 is arranged in the installation combination groove 4, the side wall of one side of the bulge 6 close to the oblique waist is an oblique edge matched with the oblique waist in an oblique angle and is abutted against the oblique waist, and gaps are reserved between one side of the bulge 6 close to the groove bottom of the installation combination groove 4 and one side of the bulge 6 close to the straight waist and the installation combination groove 4;
the circumferential outer wall of the polyurethane ring 2 is provided with a V-shaped groove 7;
the side wall of the polyurethane ring 2 close to the annular bulge 5 abuts against the annular bulge 5;
the portion of the circumferential inner wall of the polyurethane ring 2 without the projection 6 abuts against the circumferential outer wall of the hub 1.
Furthermore, a first step 8 and a second step 9 are sequentially processed on the side wall of one side of the protrusion 6 close to the straight waist in the direction extending to the axis of the polyurethane ring 2, and the distance between the first step 8 and the straight waist is smaller than the distance between the second step 9 and the straight waist.
Further, the hub 1 is rotatably connected to the shaft 3 via a rotating mechanism.
Further, the rotating mechanism comprises a bearing seat 10 fixedly connected with the hub 1, a lock nut 12 arranged in the bearing seat 10 and rotatably connected with the bearing seat 10, a bearing 11 sleeved on the shaft 3, a lock nut 12 screwed at the end of the shaft 3, a washer 13 arranged between the lock nut 12 and the bearing 11, sealing rings 14 and end covers 15 axially arranged at two ends of the bearing seat 10 respectively, and a sealing ring 16 arranged between the end cover 15 and the bearing seat 10.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (4)
1. A wheel passing device comprises a hub which is rotatably connected with a shaft, and is characterized in that a mounting and combining groove is processed on the circumferential outer wall of the hub, and a polyurethane ring is connected with the hub through the mounting and combining groove;
the cross section of the installation combination groove is in a right trapezoid shape, two groove walls of the installation combination groove are respectively a straight waist and an oblique waist of the right trapezoid shape, and the width of the groove bottom of the installation combination groove is shorter than that of the groove opening of the installation combination groove; an annular bulge is processed on one side of the outer edge of the hub, which is close to the straight waist;
the circumferential inner wall of the polyurethane ring is provided with a bulge extending towards the axis direction of the polyurethane ring, the bulge is arranged in the installation combination groove, the side wall of one side of the bulge close to the inclined waist is an inclined edge matched with the inclined waist in inclination angle and is close to the inclined waist, and gaps are reserved between one side of the bulge close to the bottom of the installation combination groove and one side of the bulge close to the straight waist and the installation combination groove;
the circumferential outer wall of the polyurethane ring is provided with a V-shaped groove;
the side wall of the polyurethane ring close to one side of the annular bulge is abutted against the annular bulge;
the portion of the circumferential inner wall of the polyurethane ring without the projection abuts against the circumferential outer wall of the hub.
2. A wheel passing device according to claim 1, wherein a side wall of the protrusion near the straight waist is sequentially provided with a first step and a second step in a direction extending toward the axis of the polyurethane ring, and a distance between the first step and the straight waist is smaller than a distance between the second step and the straight waist.
3. A wheel passing device according to claim 1, wherein the hub is rotatably connected to the shaft by a rotation mechanism.
4. A wheel apparatus as claimed in claim 3, wherein the rotation mechanism comprises a bearing seat fixedly connected to the hub, a bearing seat disposed in the bearing seat and rotatably connected to the bearing seat, a bearing fitted around the shaft, a lock nut screwed to an end of the shaft, a washer disposed between the lock nut and the bearing, sealing rings and end caps axially disposed at both ends of the bearing seat, and a sealing ring disposed between the end cap and the bearing seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023183537.6U CN214562092U (en) | 2020-12-25 | 2020-12-25 | Wheel passing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023183537.6U CN214562092U (en) | 2020-12-25 | 2020-12-25 | Wheel passing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214562092U true CN214562092U (en) | 2021-11-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023183537.6U Active CN214562092U (en) | 2020-12-25 | 2020-12-25 | Wheel passing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214562092U (en) |
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2020
- 2020-12-25 CN CN202023183537.6U patent/CN214562092U/en active Active
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