CN217750986U

CN217750986U - Fan blade fixing structure of round sand machine

Info

Publication number: CN217750986U
Application number: CN202222064786.6U
Authority: CN
Inventors: 庄佳元; 刘晓钟
Original assignee: Changzhou Leilun Tools Co ltd
Current assignee: Changzhou Leilun Tools Co ltd
Priority date: 2022-08-05
Filing date: 2022-08-05
Publication date: 2022-11-08
Anticipated expiration: 2032-08-05

Abstract

The utility model relates to a circle sand machine technical field, in particular to circle sand machine's fan blade fixed knot constructs, include the balancing piece of being connected with circle sand machine's motor spindle, fixedly connected with fan blade on the balancing piece is equipped with the cover on the fan blade and keeps away from the portion of cup jointing of motor one end at the balancing piece, and cup joints portion and balancing piece shape adaptation, cup joints fixed connection between portion and the balancing piece, the utility model discloses a cup joint portion of fan blade overlaps earlier on the balancing piece, then rethread screw-up, and the fan blade is firm with the balancing piece installation, and fan blade and balancing piece are not hard up under the long-time operating mode condition.

Description

Fan blade fixing structure of round sand machine

Technical Field

The utility model relates to a circle sand machine technical field, in particular to circle sand machine's fan blade fixed knot constructs.

Background

Among the prior art, the fan blade is fixed on the balancing piece with the buckle formula, and is chronic, and is difficult not hard up to buckle formula structure assembly is inconvenient, causes the fan blade maintenance dismouting inconvenient. In addition, the fan blades are formed by injection molding, and the injection molding material and the injection molding process are different, so that the assembly is different every time, and the situation of looseness or tightness is easy to occur.

SUMMERY OF THE UTILITY MODEL

In order to solve the current fan blade that prior art exists and the inconvenient problem of balancing piece assembly, the utility model provides a convenient assembling's circle sand machine's fan blade fixed knot constructs.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides a fan blade fixed knot of circle sand machine constructs, includes the balancing piece of being connected with the motor spindle of circle sand machine, the balancing piece on fixedly connected with fan blade, the fan blade on be equipped with the portion of cup jointing that the motor one end was kept away from to the balancing piece, and cup joint portion and balancing piece shape adaptation, fixed connection between portion of cup jointing and the balancing piece.

Furthermore, the sleeve joint part is provided with a bearing part which is in contact with the end face of the balance block far away from the motor. The sleeve joint part is connected with the balance block through the bearing part, and the connection between the sleeve joint part and the balance block is more reliable.

Further, the sleeve joint part is connected with the balance block through a screw.

Furthermore, the screw is connected between the bearing part and the balance block.

Furthermore, the number of the socket joint parts is at least two.

Further, the portion of cup jointing include first portion of cup jointing and second portion of cup jointing, first portion of cup jointing span in the both sides of balancing piece, have the arc side on the balancing piece, second portion of cup jointing include the curb plate that matches with the arc side. The first sleeving connection part and the second sleeving connection part reliably connect the fan blade and the balance block together, and the fan blade and the balance block cannot rotate or shake mutually.

Furthermore, the sleeving part and the fan blade are integrally formed. If the material is plastic, the material can be formed by injection molding, and if the material is metal, the material can be formed by stamping.

Has the beneficial effects that:

(1) The sleeving part of the fan blade is sleeved on the balance block firstly and then is fastened through the screw, the fan blade and the balance block are firmly installed, and the fan blade and the balance block are not loosened under the long-time working condition;

(2) When the fan blade is disassembled, only the screw needs to be disassembled, and then the sleeve joint part of the fan blade is separated from the balance block, so that the fan blade is convenient to maintain and assemble;

(3) The sleeving part of the fan blade is formed in modes of integral injection molding or stamping and the like, so that the fan blade is easy to process and low in cost.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a half-sectional perspective view of the round sanding machine of the present invention;

FIG. 2 is a cross-sectional view of the round sand machine of the present invention;

FIG. 3 is a half-sectional perspective view of the circular sander (with the fan blades omitted);

fig. 4 is a perspective view of the fan blade of the present invention.

The fan blade support comprises a main shaft 1, a balance block 2, a balance block 21, an arc-shaped side face 3, fan blades 4, a support part 5, screws 6, a first sleeving part 7, a second sleeving part 71 and a side plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely 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 efforts 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 exemplary embodiments according to the present application. 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 one of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should 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 directions or positional relationships indicated by the directional terms such as "front, back, upper, lower, left, right", "horizontal, vertical, horizontal" and "top, bottom", etc. are usually based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, and in the case of not making a contrary explanation, these directional terms do not indicate and imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction, 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.

For ease of description, spatially relative terms such as "over 8230 \ 8230;,"' over 8230;, \8230; upper surface "," above ", etc. may be used herein to describe the spatial relationship of one device or feature to another device or feature as shown 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 terms "at 8230; \8230; 'above" may include both orientations "at 8230; \8230;' above 8230; 'at 8230;' below 8230;" above ". 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.

The utility model discloses a circle sand machine's balancing piece 2 is installed on the main shaft of motor, then 2 below of balancing piece are fixed with the bottom plate, have abrasive paper on the bottom plate, still install on the balancing piece 2 and be used for the radiating fan blade 3 of motor, among the prior art,

fan blade

3 and 2 buckle connections of balancing piece, the installation is insecure.

If fig. 1 ~ 4, do the utility model discloses a fan blade fixed knot of circle sand machine constructs, include the balancing piece 2 of being connected with the motor spindle 1 of circle sand machine, fixedly connected with fan blade 3 on the balancing piece 2 is equipped with the cover on the fan blade 3 and is kept away from the portion of cup jointing of motor one end at balancing piece 2, and cup joints portion and 2 shape adaptations of balancing piece, cup joints fixed connection between portion and the balancing piece 2. One side of the fan blade 3 facing the motor is provided with a blade for heat dissipation of the motor. A bottom plate is fixed below the balance block 2, and sand paper used for polishing is arranged on the bottom plate.

The sleeve joint part is connected with the balance weight 2 through a screw 5. The sleeve joint part is provided with a bearing part 4 which is contacted with the end surface of the balance block 2 far away from the motor. The screw 5 is connected between the receiver 4 and the weight 2. Specifically, the fan blades 3 are fixed on the balance block 2 through two cross-recessed pan head screws M3x 8.

The number of the socket joint parts is at least two. The utility model discloses in, the portion of cup jointing includes first portion of cup jointing 6 and second portion of cup jointing 7, and first portion of cup jointing 6 spanes in the both sides of balancing piece 2, has arc side 21 on the balancing piece 2, and second portion of cup jointing 7 includes the curb plate 71 that matches with arc side 21. Second box portion 7 sets up in the one end of balancing piece 2, and first box portion 6 is close to the other end of balancing piece 2, and it is reasonable to distribute, and the installation is firm. The first sleeving part 6 and the second sleeving part 7 are integrally formed with the fan blade 3, if the first sleeving part and the second sleeving part are made of plastic materials, injection molding can be adopted, and if the first sleeving part and the second sleeving part are made of metal materials, stamping can be adopted for forming.

Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims

1. The fan blade fixing structure of the circular sand machine is characterized by comprising a balance block (2) connected with a motor main shaft (1) of the circular sand machine, wherein a fan blade (3) is fixedly connected onto the balance block (2), a sleeving part sleeved at one end, far away from a motor, of the balance block (2) is arranged on the fan blade (3), the sleeving part is matched with the balance block (2) in shape, and the sleeving part is fixedly connected with the balance block (2).

2. The fan blade fixing structure of the circular sand machine according to claim 1, characterized in that: the sleeve joint part is provided with a bearing part (4) which is in contact with the end face, far away from the motor, of the balance block (2).

3. The fan blade fixing structure of the round sand machine as claimed in claim 2, wherein: the sleeve joint part is connected with the balance block (2) through a screw (5).

4. The fan blade fixing structure of the circular sand machine according to claim 3, characterized in that: the screw (5) is connected between the bearing part (4) and the balance block (2).

5. The fan blade fixing structure of the circular sand machine according to claim 1, characterized in that: the number of the socket joint parts is at least two.

6. The fan blade fixing structure of the round sand machine as claimed in claim 5, wherein: the socket joint portion include first socket joint portion (6) and second socket joint portion (7), first socket joint portion (6) span in the both sides of balancing piece (2), have arc side (21) on balancing piece (2), second socket joint portion (7) including curb plate (71) with arc side (21) matching.

7. The fan blade fixing structure of the circular sand machine according to claim 1, characterized in that: the sleeving part and the fan blade (3) are integrally formed.