CN219152524U

CN219152524U - Motorized spindle convenient for replacing grinding wheel

Info

Publication number: CN219152524U
Application number: CN202223453394.5U
Authority: CN
Inventors: 肖汝锋; 于贺; 肖汝春; 潘立富
Original assignee: Luoyang Sufeng Spindle Technology Co ltd
Current assignee: Luoyang Sufeng Spindle Technology Co ltd
Priority date: 2022-12-23
Filing date: 2022-12-23
Publication date: 2023-06-09
Anticipated expiration: 2032-12-23

Abstract

The utility model discloses an electric spindle convenient for replacing a grinding wheel, which comprises a spindle body, wherein a fixed disc is fixed at the end part of the spindle body, and the fixed disc is used for fixing the grinding wheel through a plurality of groups of anti-falling assemblies; the anticreep subassembly mainly comprises spliced pole, slider, screw rod, ejector pad, slide bar and fixture block, has seted up the inner chamber on the spliced pole, and intracavity sliding fit has the slider, slider one end swivelling joint has the screw rod to screw rod and spliced pole spiro union, the one end that the screw rod deviates from the slider is provided with the handle, slide bar and spliced pole sliding fit, and slide bar one end is provided with the ejector pad, and the slide bar other end is provided with the fixture block, and the slider top is provided with the inclined plane that is used for promoting the ejector pad skew, is fixed with the stopper on the slide bar. The grinding wheel is mounted in a limiting mode, falling can be prevented, and the auxiliary of other tools is not needed, so that the grinding wheel is convenient to replace.

Description

Motorized spindle convenient for replacing grinding wheel

Technical Field

The utility model relates to the technical field of motorized spindles, in particular to an motorized spindle with a grinding wheel convenient to replace.

Background

An electric spindle is a new technology for integrating a machine tool spindle and a spindle motor in the field of numerical control machine tools. The method is widely applied to various numerical control machine tools including grinding machines.

The existing grinding machine motorized spindle needs other tools to assist in disassembly or assembly when the grinding wheel is replaced, for example, a bolt for fixing the grinding wheel is loosened through a wrench, then the grinding wheel is disassembled, and after the grinding wheel is assembled, the bolt for fixing the grinding wheel is fastened through the wrench, so that the operation is complex and inconvenient.

Disclosure of Invention

The utility model aims to solve the problems and provide the motorized spindle which is convenient for replacing the grinding wheel, the grinding wheel is installed in a limiting mode, the falling off can be prevented, and the grinding wheel is convenient to replace because the auxiliary of other tools is not needed.

The utility model realizes the above purpose through the following technical scheme:

an electric spindle convenient for replacing grinding wheels comprises a spindle body, wherein a fixed disc is fixed at the end part of the spindle body, and the fixed disc is used for fixing the grinding wheels through a plurality of groups of anti-falling assemblies;

the anticreep subassembly mainly comprises spliced pole, the slider, the screw rod, the ejector pad, slide bar and fixture block, the inner chamber has been seted up on the spliced pole, intracavity sliding fit has the slider, slider one end swivelling joint has the screw rod, and screw rod and spliced pole spiro union, the one end that the screw rod deviates from the slider is provided with the handle, slide bar and spliced pole sliding fit, slide bar one end is provided with the ejector pad, the slide bar other end is provided with the fixture block, the slider top is provided with the inclined plane that is used for promoting the ejector pad skew, be fixed with the stopper on the slide bar, be provided with on the spliced pole and be used for its gliding spacing chamber with the stopper adaptation, the slide bar cover is equipped with the first spring that is located spacing intracavity, and first spring one end is connected with the stopper, the fixture block is located the spliced pole outside, and set up the cavity that is used for acceping the fixture block on the spliced pole.

Preferably, the number of the anti-falling assemblies is at least three, and the anti-falling assemblies are distributed on the fixed disc in an annular mode by taking the main shaft body as the center.

Preferably, a backing plate which is attached to the grinding wheel and fixed by the anti-falling assembly is also arranged.

Preferably, the pushing block is provided with a roller for rolling connection with the inclined plane.

Preferably, one end of the sliding block, which is away from the screw rod, is connected with a second spring positioned in the inner cavity.

The technical scheme provided by the utility model can comprise the following beneficial effects:

when the grinding wheel needs to be dismantled, the handle is utilized to drive the screw rod to rotate, the screw rod is enabled to translate on the inserting column through threads, so that the sliding block is driven to move towards the direction where the screw rod is located, at the moment, the first spring pushes the limiting block, then the sliding rod moves towards the direction where the sliding block is located, then the clamping block is synchronously contracted onto the inserting column, at the moment, the grinding wheel is dismantled from the inserting column, so that other tools are not needed to be dismantled, when the grinding wheel needs to be installed, the handle is utilized to drive the screw rod to rotate, the screw rod is enabled to translate on the inserting column through threads, then the sliding block is driven to move towards the direction where the fixed disc is located, at the moment, the inclined surface on the sliding block enables the sliding block to deviate, then the sliding block is driven to protrude out of the inserting column, the grinding wheel is clamped, and therefore the grinding wheel is prevented from falling off, and installation of the grinding wheel is completed without the assistance of other tools.

Additional features and advantages of the utility model will be set forth in the description which follows, or may be learned by practice of the utility model.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the description serve to explain, without limitation, the utility model. In the drawings:

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a first cross-sectional configuration of a post according to the present utility model;

FIG. 3 is a schematic view of a second cross-sectional configuration of the post of the present utility model;

fig. 4 is a schematic view of the slider structure of the present utility model.

The reference numerals are explained as follows:

1. a main shaft body; 2. a fixed plate; 3. inserting a column; 4. an inner cavity; 5. a slide block; 6. a screw; 7. a handle; 8. an inclined plane; 9. a pushing block; 10. a slide bar; 11. a limiting block; 12. a first spring; 13. a clamping block; 14. grinding wheel; 15. a backing plate; 16. a roller; 17. a spacing cavity; 18. and a second spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

In the description of the present utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on fig. 2, and are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements 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.

As shown in fig. 1-4, an electric spindle convenient for replacing grinding wheels comprises a spindle body 1, wherein a fixed disc 2 is fixed at the end part of the spindle body 1, and the fixed disc 2 fixes the grinding wheels 14 through a plurality of groups of anti-drop assemblies;

the anti-drop subassembly mainly comprises spliced pole 3, slider 5, screw rod 6, ejector pad 9, slide bar 10 and fixture block 13, inner chamber 4 has been seted up on the spliced pole 3, sliding fit has slider 5 in inner chamber 4, slider 5 one end swivelling joint has screw rod 6, and screw rod 6 and spliced pole 3 spiro union, the one end that screw rod 6 deviates from slider 5 is provided with handle 7, slide bar 10 and spliced pole 3 sliding fit, slide bar 10 one end is provided with ejector pad 9, the slide bar 10 other end is provided with fixture block 13, the slider 5 top is provided with the inclined plane 8 that is used for promoting ejector pad 9 skew, be fixed with stopper 11 on the slide bar 10, be provided with on the spliced pole 3 with stopper 11 adaptation be used for its gliding spacing chamber 17, the slide bar 10 cover is equipped with and is located spacing intracavity 17's first spring 12, and first spring 12 one end is connected with stopper 11, fixture block 13 is located spliced pole 3 outsides, and the cavity that is used for acceping fixture block 13 is seted up on the spliced pole 3.

And, be provided with the opening with the spliced pole 3 adaptation on the emery wheel 14, spliced pole 3 is symmetrical two halves to make up, thereby convenient manufacturing and equipment, the spliced pole 3 is extended to the one end that screw rod 6 and handle 7 are connected.

Specifically, when the grinding wheel 14 needs to be removed, the handle 7 is used for driving the screw rod 6 to rotate, so that the screw rod 6 translates on the inserting column 3 through threads, and the sliding block 5 is driven to move towards the direction where the screw rod 6 is located, at the moment, the first spring 12 pushes the limiting block 11, and then the sliding rod 10 moves towards the direction where the sliding block 5 is located, and then the clamping block 13 is synchronously contracted onto the inserting column 3, at the moment, the grinding wheel 14 is removed from the inserting column 3, so that the grinding wheel 14 can be removed without other tools, when the grinding wheel 14 needs to be installed, the handle 7 is used for driving the screw rod 6 to rotate, the screw rod 6 translates on the inserting column 3 through threads, and then the sliding block 5 is driven to move towards the direction where the fixed disc 2 is located, at the moment, the inclined surface 8 on the sliding block 5 deflects the pushing block 9 pushes the sliding rod 10 to deflect, and the clamping block 13 is driven to protrude out of the inserting column 3, so that the grinding wheel 14 is blocked and is prevented from falling, and the installation of the grinding wheel 14 is completed without the assistance of other tools.

Further, the number of the anti-falling assemblies is at least three, and the anti-falling assemblies are distributed on the fixed disc 2 in an annular mode by taking the main shaft body 1 as the center.

Specifically, the grinding wheel 14 is limited through the plurality of anti-falling assemblies, so that the grinding wheel 14 is prevented from falling off from the fixed disc 2, and the main shaft body 1 is enabled to stably drive the grinding wheel 14 to rotate.

Further, a backing plate 15 attached to the grinding wheel 14 and fixed by the anti-slip assembly is provided.

Specifically, the backing plate 15 may be installed while the grinding wheel 14 is installed, so that the clamping block 13 can be fastened while the thinner grinding wheel 14 is fixed.

Further, the push block 9 is provided with a roller 16 for rolling connection with the inclined surface 8.

Specifically, when the slider 5 pushes the push block 9 to shift through the inclined surface 8, the roller 16 rolls on the inclined surface 8 to reduce friction, thereby increasing the life.

Further, a second spring 18 is connected to the end of the slider 5 facing away from the screw 6 and located in the inner cavity 4.

Specifically, the second spring 18 can push the slider 5 when being restored after being compressed by the slider 5, thereby increasing the movement stability of the slider 5.

In the above structure, when the grinding wheel 14 needs to be dismantled, the handle 7 is utilized to drive the screw rod 6 to rotate, the screw rod 6 translates on the inserting column 3 through threads, thereby driving the sliding block 5 to move towards the direction of the screw rod 6, at the moment, the first spring 12 pushes the limiting block 11, further, the sliding rod 10 moves towards the direction of the sliding block 5, then synchronously enabling the clamping block 13 to shrink onto the inserting column 3, at the moment, the grinding wheel 14 is dismantled from the inserting column 3, and therefore, the grinding wheel 14 can be dismantled without other tools, when the grinding wheel 14 needs to be installed, the handle 7 is utilized to drive the screw rod 6 to rotate, the screw rod 6 translates on the inserting column 3 through threads, further, the sliding block 5 is driven to move towards the direction of the fixed disc 2, at the moment, the inclined surface 8 on the sliding block 5 enables the pushing block 9 to deviate, then the sliding rod 10 is pushed by the pushing block 9, the clamping block 13 is driven to protrude out of the inserting column 3, and the grinding wheel 14 is blocked to avoid falling, and the installation of the grinding wheel 14 is completed without the assistance of other tools.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. Electric spindle convenient to change emery wheel, including main shaft body (1), its characterized in that: a fixed disc (2) is fixed at the end part of the main shaft body (1), and the fixed disc (2) fixes the grinding wheel (14) through a plurality of groups of anti-drop components;

the utility model provides a anticreep subassembly mainly comprises spliced pole (3), slider (5), screw rod (6), ejector pad (9), slide bar (10) and fixture block (13), inner chamber (4) have been seted up on spliced pole (3), sliding fit has slider (5) in inner chamber (4), slider (5) one end swivelling joint has screw rod (6), and screw rod (6) and spliced pole (3) spiro union, the one end that screw rod (6) deviate from slider (5) is provided with handle (7), slide bar (10) and spliced pole (3) sliding fit, slide bar (10) one end is provided with ejector pad (9), the slide bar (10) other end is provided with fixture block (13), slider (5) top is provided with inclined plane (8) that are used for promoting ejector pad (9) skew, be fixed with stopper (11) on slide bar (10), be provided with on spliced pole (3) with stopper (11) adaptation be used for its gliding spacing chamber (17), slide bar (10) cover is equipped with be located spacing first spring (12) in chamber (17), and first spring (12) one end is connected with stopper (11), fixture block (13) are located spliced pole (3) outside, and clamp block (13) are arranged in and accept spliced pole (13).

2. An motorized spindle for facilitating replacement of a grinding wheel as set forth in claim 1, wherein: the number of the anti-falling assemblies is at least three, and the anti-falling assemblies are annularly distributed on the fixed disc (2) by taking the main shaft body (1) as the center.

3. An electric spindle for facilitating replacement of grinding wheels according to claim 1 or 2, wherein: and a backing plate (15) which is attached to the grinding wheel (14) and fixed by the anti-falling assembly is also arranged.

4. An motorized spindle for facilitating replacement of a grinding wheel as set forth in claim 1, wherein: the pushing block (9) is provided with a roller (16) which is used for rolling connection with the inclined plane (8).

5. An motorized spindle for facilitating replacement of a grinding wheel as set forth in claim 1, wherein: one end of the sliding block (5) deviating from the screw rod (6) is connected with a second spring (18) positioned in the inner cavity (4).