CN217167914U - Conveniently change needle grinding device of bearing - Google Patents
Conveniently change needle grinding device of bearing Download PDFInfo
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- CN217167914U CN217167914U CN202220966281.6U CN202220966281U CN217167914U CN 217167914 U CN217167914 U CN 217167914U CN 202220966281 U CN202220966281 U CN 202220966281U CN 217167914 U CN217167914 U CN 217167914U
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Abstract
The utility model relates to a needle grinding device convenient for replacing a bearing, which comprises a bearing seat, a bearing and a rotating shaft, wherein one end of the rotating shaft is provided with a grinding wheel seat and a grinding wheel cover, and the other end is provided with a belt guide wheel; the bearing seat comprises a body and two bearing covers; the body consists of a bottom plate and vertical plates on two sides of the bottom plate; the bearing cover is bolted on the vertical plate; the top surface of the vertical plate and the bottom surface of the bearing cover are both provided with semicircular grooves and form a cylindrical through hole in a surrounding manner; pressing plates are respectively bolted on two sides of the vertical plate and two sides of the bearing cover, semicircular gaps are formed at positions of the pressing plates corresponding to the grooves, and semicircular rings are arranged around the semicircular gaps; the semicircular gaps of each group of the pressing plates form a circular opening in an enclosing mode, and the semicircular ring bodies form a circular pipe in an enclosing mode; the circular tube is arranged in the cylindrical through hole, and the tail end of the circular tube presses the outer ring of the bearing. The advantages are that: the bearing is fixed by the pressing plates on the two sides to move axially, the bearing cover is detachable, the inner bearing can be conveniently taken out, and the integrity of the installed bearing can be effectively protected.
Description
Technical Field
The utility model relates to the technical field of mechanical equipment, especially, relate to a conveniently change needle grinding device of bearing.
Background
The grinding wheel mainly grinds the surface of a workpiece by using a grinding tool thereof, and most grinding machines grind the surface of the workpiece by using a grinding wheel rotating at a high speed. The structure of the grinding wheel rotating device mainly comprises a motor, a bearing seat and a rotating shaft which is rotatably arranged on the bearing seat through a pair of bearings, wherein one end of the rotating shaft is provided with a grinding wheel seat and a grinding wheel cover, the other end of the rotating shaft is provided with a belt guide wheel, a belt pulley is arranged on a rotor of the motor, and the belt drives the belt guide wheel to rotate through a belt so as to rotate a grinding wheel on the grinding wheel seat. In the use process of the grinder, the bearing is often required to be replaced due to bush burning caused by the factors of overlarge load, overhigh temperature, impurities in lubricating oil or abnormal viscosity and the like.
However, the bearing and the bearing seat are generally in transition fit, the hardness of the material of the general bearing is not high, and the bearing is difficult to replace through knocking. And when the bearing is installed, because the two bearings are in opposite directions, if the fixing hole is penetrated in one direction, the bearing is easily damaged.
There is therefore a need to improve existing production equipment to address the above-mentioned problems.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a purpose is to prior art structural shortcoming, provides a conveniently change needle grinding device of bearing, through the clamp plate fixing bearing's of both sides axial motion, and the dismantled and assembled design of bearing cap makes things convenient for taking out of inside bearing, and such structure of uncapping can effectively protect the bearing integrity after the installation, and its simple structure, it is convenient to make, suitable extensive popularization and application in industry.
In order to achieve the above object, an embodiment of the present invention provides a needle grinding device with a bearing replaced conveniently, which is realized by the following technical scheme:
a needle grinding device convenient for bearing replacement comprises a bearing seat and a rotating shaft rotatably arranged on the bearing seat through a bearing, wherein one end of the rotating shaft is provided with a grinding wheel seat and a grinding wheel cover, and the other end of the rotating shaft is provided with a belt guide wheel; the method is characterized in that: the bearing seat comprises a body and two bearing covers; the body consists of a bottom plate and two vertical plates which are vertically arranged on two sides of the bottom plate and are parallel to each other; the bearing covers are fixed on the tops of the vertical plates in a one-to-one correspondence manner through bolts; the top surface of the vertical plate and the bottom surface of the bearing cover are both provided with semicircular grooves, and cylindrical through holes for placing the bearings are formed in a surrounding and combining manner in a one-to-one correspondence manner; pressing plates are bolted on two sides of the vertical plate and two sides of the bearing cover, the outer end of each pressing plate is flush with the top surface of the vertical plate or the bottom surface of the bearing cover, a semicircular notch is formed at the position of each pressing plate corresponding to the groove on the vertical plate or the bearing cover, and a semicircular ring body is arranged around the semicircular notch; for the two pressing plates on the same side of the connected vertical plate and the bearing cover: the semicircular gaps of the two parts form a circular opening in an enclosing manner, and the semicircular ring bodies of the two parts form a circular tube in an enclosing manner; the circular tube, the circular opening and the cylindrical through hole are coaxial; the circular tube is arranged in the cylindrical through hole, and the tail end of the circular tube presses the outer ring of the bearing.
The outer wall laminating cylindric through-hole of pipe sets up, and its internal diameter is greater than circular open-ended diameter.
The diameter of the circular opening is smaller than that of the cylindrical through hole.
The inner diameter of the circular tube is not less than the inner diameter of the bearing outer ring.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a conveniently change needle grinding device of bearing, through the clamp plate fixing bearing's of both sides axial motion, and the dismantled and assembled design of bearing cap makes things convenient for taking out of inside bearing, and the bearing integrity after such structure of uncapping can effectively protect the installation, and its simple structure makes conveniently, suits in industry extensively popularization and application.
Drawings
The above features and advantages of the present invention will become more apparent and readily appreciated from the following description of the exemplary embodiments thereof taken in conjunction with the accompanying drawings.
Fig. 1 is a schematic perspective view of a needle grinding device according to an embodiment of the present invention;
FIG. 2 is a front view of the needle grinding device according to the embodiment of the present invention
Fig. 3 is an exploded view of the needle grinding device according to the embodiment of the present invention.
Detailed Description
The invention will be described in further detail below with reference to the accompanying drawings so as to facilitate understanding by those skilled in the art:
referring to fig. 1-3, the embodiment of the present invention provides a needle grinding device with a bearing convenient to replace, which is similar to a conventional grinder in structure, and mainly includes a bearing seat and a rotating shaft 1 rotatably disposed on the bearing seat through a bearing 2, wherein one end of the rotating shaft 1 is provided with a grinding wheel seat 3 and a grinding wheel cover 4, and the other end is provided with a belt guide wheel 5. Different from the prior art is that:
the bearing block comprises a body 6, two bearing caps 7 and eight pressure plates 8.
The body 6 is composed of a bottom plate 62 and two vertical plates 61 vertically arranged at two sides of the bottom plate 62, and the two vertical plates 61 are parallel to each other.
The two bearing covers 7 are fixed on the vertical plate 61 in a one-to-one correspondence manner through bolts. The top surface of the vertical plate 61 and the bottom surface of the bearing cover 7 are both provided with semicircular grooves, and the groove 611 of the vertical plate 61 and the groove 71 of the bearing cover 7 correspondingly enclose a cylindrical through hole for placing the bearing 2.
And pressing plates 8 are bolted on both sides of the vertical plate 61 and both sides of the bearing cover 7, and the total number of the pressing plates is 8. The outer end of the pressing plate 8 is flush with the top surface of the vertical plate 61 or the bottom surface of the bearing cover 7, a semicircular notch 81 is formed at the position corresponding to the groove of the vertical plate 61 or the bearing cover 7, and a semicircular ring 82 is arranged around the semicircular notch 81.
For two pressure plates 8 on the same side of the abutting vertical plate 61 and the bearing cover 7: the semicircular gaps 81 of the two parts form a circular opening, and the semicircular ring bodies 82 of the two parts form a circular tube.
The circular tube, the circular opening and the cylindrical through hole are coaxial; the circular tube is arranged in the cylindrical through hole, and the end part of the circular tube presses the outer ring of the bearing 2. That is to say, 8 pressing plates 8 are grouped into 4 groups two by two and are installed on the side surfaces of the vertical plate 61 and the bearing cover 7 which are connected one by one, and the semicircular ring bodies 82 of each 2 groups of pressing plates 8 clamp the outer ring of the bearing 2 to fix the axial movement of the bearing.
In the structure, the outer wall of the circular tube is attached to the cylindrical through hole, and the inner diameter of the circular tube is larger than the diameter of the circular opening. The diameter of the circular opening is smaller than that of the cylindrical through hole. The inner diameter of the circular tube is not less than the inner diameter of the bearing outer ring.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a conveniently change needle grinding device of bearing, through the clamp plate fixing bearing's of both sides axial motion, and the dismantled and assembled design of bearing cap makes things convenient for taking out of inside bearing, and the bearing integrity after such structure of uncapping can effectively protect the installation, and its simple structure makes conveniently, suits in industry extensively popularization and application.
The above embodiments are intended to illustrate the present invention and the embodiments in detail, but it can be understood by those skilled in the art that the above embodiments of the present invention are only one of the preferred embodiments of the present invention, and for space limitation, all embodiments can not be listed here one by one, and any implementation that can embody the technical solution of the present invention is within the protection scope of the present invention.
It should be noted that the above is a detailed description of the present invention, and it should not be considered that the present invention is limited to the specific embodiments, and those skilled in the art can make various modifications and variations on the above embodiments without departing from the scope of the present invention.
Claims (4)
1. A needle grinding device convenient for bearing replacement comprises a bearing seat and a rotating shaft rotatably arranged on the bearing seat through a bearing, wherein one end of the rotating shaft is provided with a grinding wheel seat and a grinding wheel cover, and the other end of the rotating shaft is provided with a belt guide wheel; the method is characterized in that: the bearing seat comprises a body and two bearing covers; the body consists of a bottom plate and two vertical plates which are vertically arranged on two sides of the bottom plate and are parallel to each other; the bearing covers are fixed on the tops of the vertical plates in a one-to-one correspondence manner through bolts; the top surface of the vertical plate and the bottom surface of the bearing cover are both provided with semicircular grooves, and cylindrical through holes for placing the bearings are formed in a surrounding and combining manner in a one-to-one correspondence manner; pressing plates are bolted on two sides of the vertical plate and two sides of the bearing cover, the outer end of each pressing plate is flush with the top surface of the vertical plate or the bottom surface of the bearing cover, a semicircular notch is formed at the position of each pressing plate corresponding to the groove on the vertical plate or the bearing cover, and a semicircular ring body is arranged around the semicircular notch; for the two pressing plates on the same side of the connected vertical plate and the bearing cover: the semicircular gaps of the two parts form a circular opening in an enclosing manner, and the semicircular ring bodies of the two parts form a circular tube in an enclosing manner; the circular tube, the circular opening and the cylindrical through hole are coaxial; the circular tube is arranged in the cylindrical through hole, and the tail end of the circular tube presses the outer ring of the bearing.
2. The needle grinding device convenient for bearing replacement according to claim 1, wherein: the outer wall laminating cylindric through-hole of pipe sets up, and its internal diameter is greater than circular open-ended diameter.
3. The needle grinding device convenient for bearing replacement as claimed in claim 2, wherein: the diameter of the circular opening is smaller than that of the cylindrical through hole.
4. The needle grinding device convenient for bearing replacement as claimed in claim 3, wherein: the inner diameter of the circular tube is not less than the inner diameter of the bearing outer ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220966281.6U CN217167914U (en) | 2022-04-25 | 2022-04-25 | Conveniently change needle grinding device of bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220966281.6U CN217167914U (en) | 2022-04-25 | 2022-04-25 | Conveniently change needle grinding device of bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217167914U true CN217167914U (en) | 2022-08-12 |
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ID=82711283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220966281.6U Active CN217167914U (en) | 2022-04-25 | 2022-04-25 | Conveniently change needle grinding device of bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217167914U (en) |
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2022
- 2022-04-25 CN CN202220966281.6U patent/CN217167914U/en active Active
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