CN215201803U - Bearing dismounting device - Google Patents
Bearing dismounting device Download PDFInfo
- Publication number
- CN215201803U CN215201803U CN202121814352.2U CN202121814352U CN215201803U CN 215201803 U CN215201803 U CN 215201803U CN 202121814352 U CN202121814352 U CN 202121814352U CN 215201803 U CN215201803 U CN 215201803U
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- bolt
- bearing
- hole
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- bolt column
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Abstract
The utility model discloses a bearing dismouting device, include: the top of the base is provided with a bolt column, and the outer surface of the bolt column is provided with threads; the rotary nut is in threaded connection with the outer surface of the bolt column; and the tensioning block is slidably arranged on the base, when the rotating nut is screwed, the rotating nut can be partially contacted with the tensioning block and pushes the tensioning block to move along the radial direction of the bolt column, so that the outer edge of the tensioning block protrudes out of the outer edge of the base. The utility model discloses its simple structure, low cost can demolish the bearing inner race fast in narrow and small space, dismantles labour saving and time saving, has greatly improved maintenance efficiency.
Description
Technical Field
The utility model relates to a cigarette equipment field, in particular to bearing dismouting device.
Background
In maintenance and repair of the cigarette making and plug assembling machine, a bearing with a failed throwing roller needs to be replaced frequently, in the replacement process, the inner ring, the fixing frame and the outer ring of the bearing can be separated from each other when the bearing is seriously damaged, the separated outer ring is retained in a bearing sleeve inside and outside the throwing roller, tools such as a crowbar and a hammer are difficult to disassemble due to the narrow operable space of the outer ring, and a large amount of time and energy are needed to be spent when the outer ring is taken out, so that the maintenance efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a when solving dismouting bearing inner race, because bearing inner race position operating space is narrow, very difficult dismantlement needs to spend a large amount of time and efforts when taking out, leads to the lower problem of maintenance efficiency. The utility model provides a bearing dismouting device, its simple structure, low cost can demolish the bearing inner race fast in narrow and small space, dismantles labour saving and time saving, has greatly improved maintenance efficiency.
In order to solve the technical problem, an embodiment of the utility model discloses a bearing dismouting device, include:
the top of the base is provided with a bolt column, and the outer surface of the bolt column is provided with threads;
the rotary nut is in threaded connection with the outer surface of the bolt column;
and the tensioning block is slidably arranged on the base, when the rotating nut is screwed, the rotating nut can be partially contacted with the tensioning block and pushes the tensioning block to move along the radial direction of the bolt column, so that the outer edge of the tensioning block protrudes out of the outer edge of the base.
By adopting the technical scheme, the bearing outer ring can be detached in a narrow space, and the whole device is light and handy in design, simple in structure and convenient to use.
According to another embodiment of the present invention, an embodiment of the present invention discloses a bolt further comprising;
the rotary nut is provided with a first through hole extending along the vertical direction, a first threaded through hole extending along the vertical direction is formed in the bolt column, and the bolt penetrates through the first through hole and is in threaded connection with the first threaded through hole;
the base is provided with a second through hole for the bolt to pass through.
By adopting the technical scheme, the bearing outer ring can be detached more quickly.
According to another embodiment of the present invention, an embodiment of the present invention discloses a hexagon bolt.
According to the utility model discloses a further embodiment, the utility model discloses an embodiment discloses a swivel nut includes:
the surface of the fastening part is provided with a first external thread, the tensioning block is provided with a second external thread matched with the first external thread, and when the rotating nut is screwed so as to be partially contacted with the tensioning block, the fastening part is in threaded connection with the tensioning block;
the rotating part is arranged at the upper end of the fastening part and used for driving the fastening part to rotate.
By adopting the technical scheme, the tensioning block can be prevented from loosening, and the tensioning block can be better pushed.
According to the utility model discloses a second concrete implementation way, the utility model discloses an embodiment discloses a fastening portion sets up the second screw thread through-hole with the surface threaded connection of bolt post.
According to another specific embodiment of the present invention, the utility model discloses an embodiment discloses a rotation portion surface has seted up anti-skidding line.
Adopt above-mentioned technical scheme, can prevent to slide when rotatory rotating part.
According to another embodiment of the present invention, an embodiment of the present invention discloses a fixing screw further comprising;
the tensioning piece is provided with a through groove penetrating through the upper end face and the lower end face of the tensioning piece, a fixing hole is formed in the base, the size of the upper end face of the fixing screw is larger than that of the upper end face of the through groove, and the fixing screw penetrates through the through groove and is fixed in the fixing hole.
By adopting the technical scheme, the tensioning block can be fixed on the base after the rotating nut pushes the tensioning block to clamp the outer ring of the bearing.
According to the utility model discloses a further embodiment, the utility model discloses an embodiment discloses one kind states the tensioning piece and is two, sets up in bolt post both sides along the radial symmetry of bolt post.
According to the utility model discloses a further embodiment, the utility model discloses an embodiment discloses a tensioning piece is a plurality of, sets up on the base along the circumference of bolt post.
According to another embodiment of the present invention, an embodiment of the present invention discloses a bolt column disposed along a vertical direction.
The utility model provides a bearing dismouting device, its simple structure, low cost can demolish the bearing inner race fast in narrow and small space, dismantles labour saving and time saving, has greatly improved maintenance efficiency.
Drawings
Fig. 1 is a schematic structural diagram of a bearing dismounting device according to an embodiment of the present invention;
figure 2 illustrates a cross-sectional view of a spin nut provided by an embodiment of the present invention;
fig. 3 shows a top view of a tensioning block provided by an embodiment of the present invention.
Detailed Description
The following description is provided for illustrative embodiments of the present invention, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. While the invention will be described in conjunction with the preferred embodiments, it is not intended that features of the invention be limited to only those embodiments. On the contrary, the intention of implementing the novel features described in connection with the embodiments is to cover other alternatives or modifications which may be extended based on the claims of the present invention. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention may be practiced without these particulars. Furthermore, some of the specific details are omitted from the description so as not to obscure or obscure the present invention. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
It should be noted that in this specification, like reference numerals and letters refer to like items in the following drawings, and thus, once an item is defined in one drawing, it need not be further defined and explained in subsequent drawings.
In the description of the present embodiment, it should be noted that the terms "upper", "lower", "inner", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are usually placed in when used, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or the element to which the present invention is directed must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
The terms "first," "second," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
In the description of the present embodiment, it should be further noted that, unless explicitly stated or limited otherwise, the terms "disposed," "connected," and "connected" are to be interpreted broadly, e.g., as a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present embodiment can be understood in specific cases by those of ordinary skill in the art.
In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
Referring to fig. 1, the present application provides a bearing dismounting device, including:
the top of the base 1 is provided with a bolt column 11, and the outer surface of the bolt column 11 is provided with threads;
the rotating nut 2 is in threaded connection with the outer surface of the bolt column 11;
and the tensioning block 3 is slidably arranged on the base 1, when the rotating nut 2 is screwed, the rotating nut 2 can be partially contacted with the tensioning block 3, and the tensioning block 3 is pushed to move along the radial direction of the bolt column 11, so that the outer edge of the tensioning block 3 protrudes out of the outer edge of the base 1.
In this embodiment, the spin nut 2 is screwed onto the bolt stud 11 and can move on the bolt stud 11, and the diameter of the base 1 is smaller than the diameter of the bearing housing, so that the base 1 can enter the inside of the bearing housing. When the bearing dismounting device is implemented specifically, the whole bearing dismounting device is placed inside the bearing sleeve, the rotating nut 2 is rotated to enable the rotating nut to push the tensioning block 3 to move along the radial direction (shown in the X direction in fig. 1) of the bolt column 11, the rotating nut 2 stops rotating until the outer edge of the tensioning block 3 is clamped and embedded in the bearing outer ring in the bearing sleeve, the bearing outer ring is clamped and embedded through the tensioning block 3, and when the bearing dismounting device is taken out outwards, the bearing outer ring is driven by the tensioning block 3 to be taken out in the lump. The utility model provides a bearing dismouting device, the design is light and handy, simple structure, low cost, it can demolish the bearing inner race fast in narrow and small space, and convenient to use has greatly improved maintenance efficiency, has practiced thrift maintenance duration.
Optionally, the bearing dismounting device may further include a bolt 4;
the rotating nut 2 is provided with a first through hole extending along the vertical direction (shown in the Y direction in fig. 1), the bolt column 11 passes through the first through hole, and the outer surface of the bolt column 11 is at least partially in threaded connection with the first through hole; a first threaded through hole extending in the vertical direction is formed in the bolt column 11, and the bolt 4 penetrates through the first through hole and is in threaded connection with the first threaded through hole;
the base 1 is provided with a second through hole for passing the bolt 4, wherein the bolt 4 is a hexagon bolt.
In this embodiment, at first screw rotatory nut 2, so that the bearing outer lane of tight inlay card in the bearing housing of outward flange of tensioning piece 3 goes up, then rotatory bolt 4 and make bolt 4 wear out base 1 until the bottom surface contact with the bearing housing, continue rotatory bolt 4, support the bottom surface at the bearing housing because of the bottom of bolt 4, consequently when continuing rotatory bolt 4, can make bolt post 11 atress remove, and then drive base 1 and remove, simultaneously, the bearing outer lane of inlay card at the bearing housing withdraws from the bearing housing under the steady drive of tensioning piece 3, rotatory bolt 4 is until the bearing outer lane withdraws from the bearing housing completely, the dismantlement is accomplished. The bolt 4 is adopted to take out the bearing outer ring, so that time and labor are saved, and the bearing outer ring is convenient to take out.
Referring to fig. 2, alternatively, the spin nut 2 may include:
the surface of the rotating part 22 is provided with a first external thread 23, the tensioning block 3 is provided with a second external thread 32 matched with the first external thread 23, and when the rotating nut 2 is screwed to enable the rotating nut 2 to be partially contacted with the tensioning block 3, the rotating part 22 is in threaded connection with the tensioning block 3;
and a fastening part 21 arranged at the upper end of the rotating part 22 and used for driving the rotating part 22 to rotate.
In this embodiment, the rotating portion 22 is provided with a second threaded through hole in threaded connection with the outer surface of the bolt post 11, and the bolt post 11 passes through the second threaded through hole, so that the rotating nut 2 can move on the bolt post 11 in the vertical direction when being screwed. Specifically, the inclination angle of the side face of the rotating part 22 opposite to the tensioning block 3 is the same, so that the rotating part 22 and the tensioning block 3 can be better in threaded connection, the tensioning block 3 is prevented from loosening, and meanwhile, the contact force between the tensioning block 3 and the bearing outer ring can be better controlled. The fastening portion 21 is provided with a through hole corresponding to the rotating portion 22, and the rotating portion 22 and the fastening portion 21 can be integrally formed, so that the production is facilitated. That is, the above-mentioned first through hole may include a through hole opened in the fastening portion 21 and a second threaded through hole formed in the rotating portion 22. The through hole formed in the fastening portion 21 may be a threaded hole identical to the second threaded through hole, or a through hole without threads, which is not limited to this, and only needs to ensure that the bolt column can penetrate out of the through hole.
Optionally, the outer surface of the fastening portion 21 is provided with anti-slip threads.
In this embodiment, the anti-slip pattern can prevent slipping when the fastening portion 21 is rotated.
Referring to fig. 3, optionally, the bearing dismounting device of the present application may further include a set screw 5;
tensioning piece 3 sets up the logical groove 31 that runs through its terminal surface from top to bottom, is provided with the fixed orifices on the base 1, and set screw 5's up end size is greater than the up end size that leads to groove 31, is convenient for treat 3 position determination backs of tensioning piece, makes set screw 5 pass and leads to the groove locking in order to fix the position of tensioning piece 3.
In this embodiment, after the rotating nut 2 pushes the tensioning block 3 to clamp the outer ring of the bearing, the tensioning block 3 can be fastened on the base 1 by adopting the mode of fastening the tensioning block 3 by screws, so that the tensioning block 3 is prevented from sliding. After the tensioning block 3 is fixed by rotating the nut 2, the fixing screw 5 is rotated to fix the screw in the fixing hole until the tensioning block 3 is fastened on the base 1 by the screw, and then the bearing outer ring is taken out from the bearing sleeve.
Optionally, two tensioning blocks 3 are symmetrically arranged on two sides of the bolt column 11 along the radial direction of the bolt column 11.
Optionally, the plurality of tensioning blocks 3 are arranged on the base 1 along the circumferential direction of the bolt column 11.
In this embodiment, tensioning piece 3 can be provided with two, and the symmetry sets up in 11 both sides of bolt post, is convenient for withdraw from the bearing inner race, also can be provided with a plurality ofly, avoids bearing inner race atress uneven.
Alternatively, the bolt columns 11 are arranged in the vertical direction.
While the invention has been shown and described with reference to certain preferred embodiments thereof, it will be understood by those skilled in the art that the foregoing is a more detailed description of the invention, and the specific embodiments thereof are not to be considered as limiting. Various changes in form and detail, including simple deductions or substitutions, may be made by those skilled in the art without departing from the spirit and scope of the invention.
Claims (10)
1. The utility model provides a bearing dismouting device which characterized in that includes:
the top of the base is provided with a bolt column, and the outer surface of the bolt column is provided with threads;
the rotating nut is in threaded connection with the outer surface of the bolt column;
the tensioning piece, slidable mounting in on the base, when screwing rotatory nut, rotatory nut can with tensioning piece part contact, and promote tensioning piece is followed the radial movement of bolt post, so that the outward flange of tensioning piece salient in the outward flange of base.
2. The bearing disassembly and assembly apparatus of claim 1, further comprising a bolt;
the rotary nut is provided with a first through hole extending along the vertical direction, the bolt column penetrates through the first through hole, and the outer surface of the bolt column is at least partially in threaded connection with the first through hole;
a first threaded through hole extending in the vertical direction is formed in the bolt column, and the bolt is in threaded connection with the first threaded through hole;
the base is provided with a second through hole for the bolt to pass through.
3. The bearing attaching and detaching device according to claim 2, wherein the bolt is a hexagon bolt.
4. The bearing disassembly and assembly device of claim 1, wherein the spin nut comprises:
the surface of the fastening part is provided with a first external thread, the tensioning block is provided with a second external thread matched with the first external thread, and when the rotating nut is screwed so as to enable the rotating nut to be partially contacted with the tensioning block, the fastening part is in threaded connection with the tensioning block;
the rotating part is arranged at the upper end of the fastening part and used for driving the fastening part to rotate.
5. The bearing attaching and detaching device according to claim 4, wherein the fastening portion is formed with a second threaded through hole for threaded connection with an outer surface of the bolt shank.
6. The bearing attaching and detaching device according to claim 4, wherein an outer surface of the rotating portion is provided with anti-slip threads.
7. The bearing disassembly and assembly apparatus of claim 1, further comprising a set screw;
the tensioning piece is provided with a through groove penetrating through the upper end face and the lower end face of the tensioning piece, a fixing hole is formed in the base, the size of the upper end face of the fixing screw is larger than that of the upper end face of the through groove, and the fixing screw penetrates through the through groove and is fixed in the fixing hole.
8. The bearing assembling and disassembling device according to claim 1, wherein the tension blocks are two and symmetrically disposed at both sides of the bolt column in a radial direction of the bolt column.
9. The bearing assembling and disassembling device according to claim 1, wherein the tension block is provided in plurality on the base along a circumferential direction of the bolt column.
10. The bearing attaching and detaching device according to claim 1, wherein the bolt columns are arranged in a vertical direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121814352.2U CN215201803U (en) | 2021-08-04 | 2021-08-04 | Bearing dismounting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121814352.2U CN215201803U (en) | 2021-08-04 | 2021-08-04 | Bearing dismounting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215201803U true CN215201803U (en) | 2021-12-17 |
Family
ID=79427049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121814352.2U Active CN215201803U (en) | 2021-08-04 | 2021-08-04 | Bearing dismounting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215201803U (en) |
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2021
- 2021-08-04 CN CN202121814352.2U patent/CN215201803U/en active Active
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