CN219380336U - Bolt-up grinding wheel mounting structure - Google Patents
Bolt-up grinding wheel mounting structure Download PDFInfo
- Publication number
- CN219380336U CN219380336U CN202320952170.4U CN202320952170U CN219380336U CN 219380336 U CN219380336 U CN 219380336U CN 202320952170 U CN202320952170 U CN 202320952170U CN 219380336 U CN219380336 U CN 219380336U
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- bolt
- grinding wheel
- fastening
- fastening bolt
- expansion
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The utility model relates to the technical field of grinding wheel fastening, and discloses a bolt-fastened grinding wheel mounting structure, which comprises a rotating shaft, wherein a mounting shaft is fixed at the top of one end of the rotating shaft, a baffle is fixed at one side connected with the mounting shaft, a bolt grinding wheel is sleeved outside the mounting shaft, and the bolt-fastened grinding wheel mounting structure further comprises: the fastening bolt penetrates through the inner end of the bolt grinding wheel and is provided with an expansion taper hole; the expansion bolt penetrates through the center of the fastening bolt and is screwed with the thread of the fastening bolt, an expansion ball is fixed at one end of the expansion bolt, which is positioned in the fastening bolt, and slides on the inner side of the expansion taper hole in a fitting way, and the other end of the expansion bolt extends to the outer side of the fastening bolt; according to the utility model, the expansion bolts are arranged on the inner sides of the fastening bolts in a penetrating way and are used for applying pressure from inside to outside to one end of the fastening bolt connecting nuts, so that the connection strength of the fastening bolt end parts at the positions of the grinding wheels is enhanced, the friction force between the fastening bolts and the grinding wheels is increased, and the working stability and the use safety of the grinding wheels are improved.
Description
Technical Field
The utility model relates to the technical field of grinding wheel fastening, in particular to a bolt-fastening grinding wheel mounting structure.
Background
The grinding wheel is also called a bonded grinding tool, is fixedly formed by a binding agent and a common grinding material, the middle part of the grinding wheel is provided with a through hole for connecting grinding equipment, when the grinding wheel is used, the surface of a workpiece is improved by adopting self friction force, the mechanical property of the workpiece is improved, the bolt-fastened grinding wheel is fixed to the grinding wheel through bolts, the connecting mode of the grinding wheel is provided with central bolt fixing and circumferential bolt fixing, and the circumferential bolt fixing method is used for fixing the grinding wheel by fixedly connecting a reserved nut in the grinding wheel with a screw rod at the installation shaft position of the grinding equipment.
The circumference bolt fixing method can strengthen the whole of the grinding wheel, but needs the screw rod to be fixed with the nut inside the grinding wheel so as to ensure the connection strength of the grinding wheel, the traditional fixing mode directly adopts screw threads to connect the grinding wheel in a screwing way, the friction force and the tensile force of the screw rod are utilized to fix the grinding wheel, the connection mode has higher requirements on the suitability of the length of the screw rod and the inside of the grinding wheel, the too long screw rod can lead to insufficient tensile force between the screw rod and the grinding wheel, the too short screw rod can lead to insufficient connection strength between the grinding wheel and the screw rod, the friction force between the screw rod and the grinding wheel can not be ensured, and the use of the grinding wheel is not safe enough.
Accordingly, there is a need for a bolt-on grinding wheel mounting structure that addresses the above-described problems.
Disclosure of Invention
The utility model aims at solving the problems in the background art, and provides a bolt fastening grinding wheel mounting structure which is used for solving the problem of insufficient connection strength of connection friction force between a screw and a grinding wheel.
The technical scheme of the utility model is as follows: the utility model provides a bolt-up emery wheel mounting structure, includes the pivot, pivot one end top is fixed with the installation axle to be fixed with the separation blade in one side of connecting the installation axle, the installation axle outside cover has the bolt-up emery wheel, still includes:
the fastening bolt penetrates through the baffle plate and is screwed on the inner side of the bolt grinding wheel, and an expansion taper hole is formed in one end of the fastening bolt penetrating into the bolt grinding wheel;
the expansion bolt penetrates through the center of the fastening bolt and is screwed with the threads of the fastening bolt, one end of the expansion bolt, which is positioned inside the fastening bolt, is fixedly provided with an expansion ball which is attached and slides on the inner side of the expansion taper hole, and the other end of the expansion bolt extends to the outer side of the fastening bolt.
Preferably, the center of the inner side of the fastening bolt is provided with an internal thread which is communicated with the inside of the expansion taper hole, and the expansion bolt penetrates through the inner side of the internal thread and is screwed with the fastening bolt.
Preferably, a nut is fixed on the inner side of the position, where the bolt grinding wheel is connected with the fastening bolt, of the fastening bolt, and the end part of the fastening bolt is screwed on the inner side of the nut.
Preferably, the outside thread of the installation shaft is screwed with a fastening cap, and the end face of the fastening cap is attached to the outside of the bolt grinding wheel.
Preferably, a screw is fixed at the center of one end of the installation shaft connected with the rotating shaft, and the screw is screwed on the inner side of the rotating shaft.
Preferably, a threaded hole is formed in the center of the inner side of the rotating shaft and connected with a screw rod, and the screw rod is screwed into the threaded hole.
Preferably, the baffle plate is connected with the fastening bolt, the fastening bolt is positioned at one end of the outer side of the baffle plate and is abutted against the outer surface of the fastening backing ring.
Compared with the prior art, the utility model has the following beneficial technical effects:
the utility model is provided with the fastening bolt which is connected with the screw cap inside the grinding wheel, and the expansion bolt is penetrated on the inner side of the fastening bolt and used for applying pressure from inside to outside to one end of the fastening bolt connecting screw cap, so as to strengthen the connection strength of the end part of the fastening bolt connecting the grinding wheel, thereby being beneficial to increasing the friction force of connection between the fastening bolt and the grinding wheel and improving the working stability and the use safety of the grinding wheel.
Drawings
FIG. 1 is a schematic view showing a structure of a bolt-fastened grinding wheel mounting structure of the present utility model;
FIG. 2 is a schematic view of the middle section structure of FIG. 1;
FIG. 3 is an exploded view of the structure of FIG. 2;
fig. 4 is a cross-sectional exploded enlarged schematic view of the internal structure of the fastening bolt of fig. 2.
Reference numerals: 1. a rotating shaft; 2. a mounting shaft; 3. a baffle; 4. a bolt grinding wheel; 5. a fastening bolt; 6. expanding the taper hole; 7. an expansion bolt; 8. an expansion ball; 9. an internal thread; 10. a screw cap; 11. a fastening cap; 12. a threaded hole; 13. a screw; 14. the backing ring is reinforced.
Detailed Description
The technical scheme of the utility model is further described below with reference to the attached drawings and specific embodiments.
Example 1
As shown in fig. 1-4, the bolt-fastened grinding wheel mounting structure provided by the utility model comprises a rotating shaft 1, wherein a mounting shaft 2 is fixed at the top of one end of the rotating shaft 1, a baffle 3 is fixed at one side connected with the mounting shaft 2, a bolt grinding wheel 4 is sleeved outside the mounting shaft 2, and the bolt-fastened grinding wheel mounting structure further comprises:
the fastening bolt 5 penetrates through the baffle 3 and is screwed on the inner side of the bolt grinding wheel 4, and an expansion taper hole 6 is formed in one end of the fastening bolt 5 penetrating into the bolt grinding wheel 4;
the expansion bolt 7 is penetrated in the center of the fastening bolt 5 and screwed with the threads of the fastening bolt, one end of the expansion bolt 7 positioned in the fastening bolt 5 is fixedly provided with an expansion ball 8 which is attached and slides on the inner side of the expansion taper hole 6, and the other end of the expansion bolt 7 extends to the outer side of the fastening bolt 5;
an internal thread 9 is arranged at the center of the inner side of the fastening bolt 5 and is communicated with the inside of the expansion taper hole 6, and the expansion bolt 7 is arranged on the inner side of the internal thread 9 in a penetrating manner and is screwed with the fastening bolt 5;
a screw cap 10 is fixed on the inner side of the position, where the bolt grinding wheel 4 is connected with the fastening bolt 5, of the end part of the fastening bolt 5 is screwed on the inner side of the screw cap 10;
the outer side of the mounting shaft 2 is screwed with a fastening cap 11, and the end face of the fastening cap 11 is attached to the outer side of the bolt grinding wheel 4;
the working flow is as follows: according to the size of the central hole of the grinding wheel, the size of the installation shaft 2 at the end part of the rotating shaft 1 is changed, when the installation shaft 2 is changed, the installation shaft 2 is rotated to separate a screw rod 13 at one end of the installation shaft 2 from a hole of the internal thread 9 of the rotating shaft 1, and then the installation shaft 2 with the adapting size is taken out and connected into the threaded hole 12;
the bolt grinding wheel 4 is sleeved outside the mounting shaft 2, the fastening cap 11 is rotated to preliminarily fix the grinding wheel, then the fastening bolt 5 is penetrated in the baffle 3, one end top of the fastening bolt 5 is screwed into the bolt grinding wheel 4, and the fastening bolt 5 is rotated;
the fastening bolt 5 is fixed with the bolt grinding wheel 4, then the expansion bolt 7 penetrating through the fastening bolt 5 is rotated, the expansion bolt 7 moves outwards to drive the expansion ball 8 at the end part of the expansion bolt to move in the expansion taper hole 6, the expansion ball 8 moves to push the inner wall of the expansion taper to apply pressure to the outside, so that the connection strength and friction force of the fastening bolt 5 for connecting one end inside the bolt grinding wheel 4 are increased, and after the fastening bolts 5 are connected, the fastening of the bolt grinding wheel 4 can be completed.
In this embodiment, the fastening bolt 5 is connected with the nut 10 inside the grinding wheel, and the expansion bolt 7 is arranged on the inner side of the fastening bolt 5 in a penetrating manner and is used for applying pressure from inside to outside to one end of the fastening bolt 5 connected with the nut 10, so as to strengthen the connection strength of the end part of the fastening bolt 5 connected with the position of the grinding wheel, thereby being beneficial to increasing the friction force between the fastening bolt 5 and the grinding wheel, improving the working stability of the grinding wheel and ensuring the use safety.
Example two
As shown in fig. 1-4, based on the embodiment 1, a screw 13 is fixed at the center of one end of the installation shaft 2 connected with the rotating shaft 1, and the screw 13 is screwed on the inner side of the rotating shaft 1;
a threaded hole 12 is formed in the center of the inner side of the rotating shaft 1 at the position of a connecting screw 13, and the screw 13 is screwed in the threaded hole 12;
the baffle plate 3 is fixedly provided with a reinforcing backing ring 14 at the position where the fastening bolt 5 is connected, and one end of the fastening bolt 5 positioned at the outer side of the baffle plate 3 is abutted against the outer surface of the reinforcing backing ring 14.
In the embodiment, the screw 13 and the threaded hole 12 are arranged, so that the installation shaft 2 can be disassembled and assembled with the rotating shaft 1, the whole installation shaft 2 can be replaced, and the installation shaft 2 with various sizes can be replaced to install grinding wheels, so that the applicability of the grinding wheels with various sizes of the device is improved;
it should be noted that: the reinforcing backing ring 14 can increase the distance between the end part of the outer side of the baffle plate 3 and the baffle plate 3 of the fastening bolt 5, so that the driving operation of the fastening bolt 5 is more convenient, meanwhile, the friction between the baffle plate 3 and the fastening bolt 5 can be reduced, and the service life of the baffle plate 3 is prolonged.
The above-described embodiments are merely a few preferred embodiments of the present utility model, and many alternative modifications and combinations of the above-described embodiments will be apparent to those skilled in the art based on the technical solutions of the present utility model and the related teachings of the above-described embodiments.
Claims (7)
1. The utility model provides a bolt-up emery wheel mounting structure, includes pivot (1), pivot (1) one end top is fixed with installation axle (2) to be fixed with separation blade (3) in one side of connecting installation axle (2), bolt-up emery wheel (4) have been overlapped in installation axle (2) outside, its characterized in that still includes:
the fastening bolt (5) penetrates through the baffle plate (3) and is screwed on the inner side of the bolt grinding wheel (4), and an expansion taper hole (6) is formed in one end of the fastening bolt (5) penetrating into the bolt grinding wheel (4);
the expansion bolt (7) is arranged in the center of the fastening bolt (5) in a penetrating mode and screwed with the fastening bolt, an expansion ball (8) is fixed at one end of the inside of the fastening bolt (5) and slides on the inner side of the expansion taper hole (6) in a fitting mode, and the other end of the expansion bolt (7) extends to the outer side of the fastening bolt (5).
2. The bolt-fastening grinding wheel mounting structure according to claim 1, wherein an internal thread (9) is formed in the center of the inner side of the fastening bolt (5) and is communicated with the inside of the expansion taper hole (6), and the expansion bolt (7) is threaded on the inner side of the internal thread (9) and is screwed with the fastening bolt (5).
3. The bolt-fastening grinding wheel mounting structure according to claim 1, wherein a nut (10) is fixed on the inner side of the bolt-fastening wheel (4) where the fastening bolt (5) is connected, and the end portion of the fastening bolt (5) is screwed on the inner side of the nut (10).
4. The bolt-up grinding wheel mounting structure according to claim 1, wherein a fastening cap (11) is screwed on the outer side of the mounting shaft (2), and the end face of the fastening cap (11) is attached to the outer side of the bolt-up grinding wheel (4).
5. The bolt-fastened grinding wheel mounting structure according to claim 1, wherein a screw (13) is fixed at the center of one end of the mounting shaft (2) connected with the rotating shaft (1), and the screw (13) is screwed on the inner side of the rotating shaft (1).
6. The bolt-fastened grinding wheel mounting structure according to claim 5, wherein a threaded hole (12) is formed in the center of the inner side of the rotating shaft (1) at the position of a connecting screw (13), and the screw (13) is screwed into the threaded hole (12).
7. The bolt-up grinding wheel mounting structure according to claim 1, wherein a reinforcing backing ring (14) is fixed at the position where the baffle plate (3) is connected with the fastening bolt (5), and one end of the fastening bolt (5) located on the outer side of the baffle plate (3) is abutted against the outer surface of the reinforcing backing ring (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320952170.4U CN219380336U (en) | 2023-04-25 | 2023-04-25 | Bolt-up grinding wheel mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320952170.4U CN219380336U (en) | 2023-04-25 | 2023-04-25 | Bolt-up grinding wheel mounting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219380336U true CN219380336U (en) | 2023-07-21 |
Family
ID=87170789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320952170.4U Active CN219380336U (en) | 2023-04-25 | 2023-04-25 | Bolt-up grinding wheel mounting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219380336U (en) |
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2023
- 2023-04-25 CN CN202320952170.4U patent/CN219380336U/en active Active
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