CN211029466U

CN211029466U - Abrasive belt machine

Info

Publication number: CN211029466U
Application number: CN201921354718.5U
Authority: CN
Inventors: 张丽松; 邢黎
Original assignee: Chevron HK Ltd
Current assignee: Nanjing Chervon Industry Co Ltd
Priority date: 2019-08-20
Filing date: 2019-08-20
Publication date: 2020-07-17
Anticipated expiration: 2029-08-20

Abstract

The utility model discloses an abrasive band machine belongs to the equipment technical field that polishes. The utility model provides an abrasive band machine includes casing, handle, abrasive band mechanism and battery package, and the handle setting is in the casing top, and abrasive band mechanism sets up in the casing bottom, and the slope of battery package sets up at the casing rear portion, and the top of battery package is to keeping away from a side slope of handle. This abrasive band machine is through setting up battery package slope to make the top of battery package to the lopsidedness of keeping away from the handle, thereby enlarged the distance between battery package top and the handle, make the top of battery package can not contradict user's wrist when the handheld abrasive band machine operation of user, and then reached the purpose that is convenient for user operation abrasive band machine and improves user experience and feel. In addition, set up the slope of battery package at the rear portion of casing, can also reduce the height of battery package to make the focus of whole abrasive band machine reduce, and then can improve the stability of abrasive band machine during operation and when stewing, make the difficult emergence of abrasive band machine empty the phenomenon.

Description

Abrasive belt machine

Technical Field

The utility model relates to an equipment technical field that polishes especially relates to an abrasive band machine.

Background

An abrasive belt machine is an apparatus for grinding a workpiece. The belt sander can be divided into a table belt sander, a vertical belt sander, a hand-push belt sander, a dust removal belt sander and the like according to the structure of the belt sander. The handheld abrasive belt machine is more and more widely applied to various fields due to the advantages of portability, operability and the like. At present, the hand-held abrasive belt machine is generally a direct-current abrasive belt machine, namely the direct-current abrasive belt machine is powered by a battery pack carried by the direct-current abrasive belt machine.

The battery pack of the existing direct-current belt sander is generally installed at the rear end of a handle of the belt sander and is installed on the belt sander in a vertical insertion mode, namely, when a user holds the direct-current belt sander to grind a workpiece, the battery pack is perpendicular to an abrasive belt of the belt sander. However, because the height of the battery pack is higher, the top of the battery pack is higher than that of the handle when the battery pack is vertically inserted, so that when a user holds the handle to operate the direct-current belt sander, the part of the top protruding handle of the battery pack is often collided at the wrist of the user, the operation of the user is inconvenient, and the experience feeling is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an abrasive band machine, this abrasive band machine be convenient for the handheld operation of user, and user experience feels good.

To achieve the purpose, the utility model adopts the following technical proposal:

an abrasive belt machine comprising:

a housing;

a handle disposed at a top of the housing;

the abrasive belt mechanism is arranged at the bottom of the shell and used for grinding a workpiece;

the battery pack is obliquely arranged at the rear part of the shell, and the top of the battery pack inclines to one side far away from the handle.

Preferably, the battery pack forms a preset acute angle a with the vertical direction, and the preset acute angle a is 10-45 degrees.

Preferably, the preset acute angle a is 15 to 25 °.

Preferably, one of the rear part of the housing and the battery pack is provided with an insertion groove, and the other one of the rear part of the housing and the battery pack is provided with an insertion part, wherein the insertion part can be inserted into the insertion groove.

Preferably, the top of the insertion groove is open, and the insertion part is inserted into the insertion groove from top to bottom.

Preferably, the side wall of the insertion groove is provided with a clamping hole, the side wall of the insertion part is provided with an elastic buckle, and the elastic buckle can be clamped into the clamping hole.

Preferably, the handle includes a main handle provided at a middle portion of the housing and a sub handle provided at a front portion of the housing.

Preferably, the main handle and/or the auxiliary handle are/is provided with an anti-skid structure.

Preferably, the abrasive belt mechanism comprises an abrasive belt motor, a driving wheel, a driven wheel and an abrasive belt, an output shaft of the abrasive belt motor is in transmission connection with the driving wheel, the driving wheel and the driven wheel are arranged at intervals, and the abrasive belt is sleeved on the driving wheel and the driven wheel.

Preferably, the housing is integrally formed with the handle.

The utility model has the advantages that:

the utility model provides an abrasive band machine, this abrasive band machine are through the rear portion that sets up battery package slope to the casing to make the top of battery package to the lopsidedness of keeping away from the handle, thereby enlarged the distance between battery package top and the handle, the top that makes the battery package can not contradict user's wrist when the handheld abrasive band machine operation of user, and then has reached the purpose that the user operation abrasive band machine of being convenient for and improvement user experience felt. In addition, set up the slope of battery package at the rear portion of casing, can also reduce the height of battery package to make the focus of whole abrasive band machine reduce, and then can improve the stability of abrasive band machine during operation and when stewing, make the difficult emergence of abrasive band machine empty the phenomenon.

Drawings

Fig. 1 is an isometric view of an abrasive belt machine provided by the present invention;

FIG. 2 is a front view of the belt sander provided by the present invention;

fig. 3 is an axonometric view of the belt sander when the battery pack is separated from the housing.

In the figure:

1. a housing; 2. a handle; 21. a main handle; 22. a secondary handle; 23. an anti-slip structure; 3. an abrasive belt mechanism; 31. a driving wheel; 32. a driven wheel; 33. an abrasive belt; 4. a battery pack; 41. a plug-in part; 42. and (6) snapping.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The embodiment provides an abrasive belt machine which can be used for grinding a workpiece to enable the surface of the workpiece to be smooth. As shown in fig. 1 to 3, the belt sander includes a housing 1, a handle 2, a belt mechanism 3, and a battery pack 4. The whole length of abrasive band machine is about 349mm, and whole height is about 184 mm. The weight of the battery pack 4 was 1.116kg, and the weight of the bare metal of the entire belt sander excluding the battery pack 4 was 2.586 kg.

Wherein, casing 1's material is plastics, and it includes relative left casing and the right casing that sets up, and left casing and right casing all adopt injection molding process integrated into one piece. After left casing and right casing concatenation are in the same place, can utilize the connecting piece to realize fixed connection, and can form the chamber that holds that is used for holding the relevant part of abrasive band machine between left casing and right casing.

The handle 2 is arranged on the top of the shell 1 and is mainly used for being held by a user during operation. In the present embodiment, the handle 2 includes a main handle 21 and a sub handle 22, wherein the main handle 21 is disposed at the middle of the top of the housing 1, and the sub handle 22 is disposed at the front of the top of the housing 1. When a user holds the belt sander to operate, one hand holds the main handle 21, the other hand holds the auxiliary handle 22, and the two hands apply force simultaneously, so that the stability of the belt sander in operation can be improved. Alternatively, in order to improve the holding force when the user holds the handle 2 and to prevent the slipping phenomenon from occurring, the anti-slip structure 23 is provided on each of the main handle 21 and the sub-handle 22. Specifically, the anti-slip structure 23 may be a pattern structure or an anti-slip cover. Of course, in other embodiments, the anti-slip structure 23 may be provided only on the main handle 21 or the sub-handle 22. Alternatively, in the present embodiment, in order to improve the comfort of the user gripping the handle 2, the width of the main handle 21 is set to about 42mm, the width of the sub handle 22 is set to about 60mm, and the center-to-center distance between the main handle 21 and the sub handle 22 is set to about 200 mm.

Alternatively, the handle 2 may be a separate component and secured to the top of the housing 1 using a connector. Or the handle 2 may be integrally formed with the housing 1, that is, when the left housing and the right housing are formed by injection molding, the central part of the top of the left housing and the central part of the top of the right housing are respectively formed by injection molding with a structure shaped like a Chinese character 'kou' having the same shape and size, and the front part of the top of the left housing and the front part of the top of the right housing are respectively formed by injection molding with a shell-shaped structure. When the left shell and the right shell are spliced, the two square-shaped structures can be spliced to form the main handle 21, and the two shell-shaped structures can be spliced to form the auxiliary handle 22. In addition, the sub-handle 22 may be provided to be inclined toward the front upper side of the housing 1 for the convenience of the user.

The belt mechanism 3 is an actuating part of the belt sander, which is mainly used for performing a grinding action. Specifically, the abrasive belt mechanism 3 includes an abrasive belt motor, a driving wheel 31, a driven wheel 32 and an abrasive belt 33, an output shaft of the abrasive belt motor is in transmission connection with the driving wheel 31, in this embodiment, the output shaft of the abrasive belt motor drives a small belt wheel, the small belt wheel drives a large belt wheel through synchronous belt transmission, the large belt wheel drives a gear transmission on the driving wheel 31 shaft through a gear structure, the driving wheel 31 and the driven wheel 32 are arranged at intervals, the abrasive belt 33 is sleeved on the driving wheel 31 and the driven wheel 32, and the abrasive belt 33 is horizontally arranged. Under the drive of the belt motor, the driving wheel 31 can rotate, so as to drive the driven wheel 32 and the belt 33 to rotate, and the belt 33 can grind the surface of the workpiece during the rotation process, so that the surface of the workpiece is smoothed.

The battery pack 4 is an energy component of the belt sander and is mainly used for providing electricity for the belt sander 3. In the present embodiment, the battery pack 4 is obliquely provided to the rear of the housing 1, and the top of the battery pack 4 is inclined to the side away from the handle 2. Through setting up the slope of battery package 4 to the rear portion of casing 1 to make the top of battery package 4 to the one side slope of keeping away from handle 2, thereby enlarged the distance between 4 tops of battery package and the handle 2, make the top of battery package 4 can not contradict user's wrist when the handheld abrasive band machine operation of user, and then reached the purpose that the user of being convenient for operated abrasive band machine and improved user experience and felt. In addition, with battery package 4 slope setting at the rear portion of casing 1, can also reduce battery package 4's height to make the focus of whole abrasive band machine reduce, and then can improve the stability of abrasive band machine when the during operation and when stewing, make the abrasive band machine be difficult for taking place to empty the phenomenon. In this embodiment, the distance between the center of gravity of the belt sander and the rear side surface of the belt sander is about 166mm, and the distance between the center of gravity of the belt sander and the bottom surface of the belt sander is about 77.5mm

Optionally, the battery pack 4 has a preset acute angle a with the vertical direction, and the preset acute angle a is 10-45 °. When the preset acute angle a is 10 degrees to 45 degrees, compared with the belt sander in the prior art, the gravity center of the belt sander in the embodiment can be obviously moved backwards, and the improvement of the operation stability and the standing stability of the belt sander is facilitated. Preferably, the preset acute angle a is 15-25 degrees, so that the whole length of the belt sander is prevented from being too long, the gravity center of the belt sander is located at a more proper position, and the stability of the belt sander is further optimized.

In order to facilitate replacement of the battery pack 4, in the present embodiment, the battery pack 4 is detachably attached to the housing 1. Specifically, the battery pack 4 is inserted into the rear portion of the housing 1, an insertion groove (not shown) is provided in the rear portion of the housing 1, and an insertion portion 41 is provided in the battery pack 4, into which the insertion portion 41 can be inserted. In the insertion process, the battery pack 4 may be inserted from top to bottom or from bottom to top, and the insertion manner from top to bottom is more suitable for the operation habit of the user than from bottom to top, so in this embodiment, the top of the insertion groove is selectively opened, and the insertion portion 41 of the battery pack 4 is inserted into the insertion groove from top to bottom. Of course, in other embodiments, the insertion groove may be provided on the battery pack 4, and the insertion portion 41 may be provided at the rear of the housing 1.

Further, in order to improve the connection strength between the battery pack 4 and the housing 1 and avoid the slipping of the battery pack 4 during the operation of the belt sander, as shown in fig. 3, a clamping hole (not shown) is formed on the sidewall of the insertion groove, and an elastic buckle 42 is formed on the sidewall of the insertion portion 41, so that when the insertion portion 41 is inserted into the insertion groove, the elastic buckle 42 can be clamped into the clamping hole. Specifically, a groove is formed in a side wall of the insertion part 41, and the elastic buckle 42 is elastically disposed inside the groove, so that the insertion part can be clamped with and separated from the clamping hole.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. An abrasive belt machine, comprising:

a housing (1);

a handle (2), the handle (2) being disposed at a top of the housing (1);

the abrasive belt mechanism (3) is arranged at the bottom of the shell (1) and is used for grinding a workpiece;

the battery pack (4) is obliquely arranged at the rear part of the shell (1), and the top of the battery pack (4) is inclined to one side far away from the handle (2);

one of the rear part of the shell (1) and the battery pack (4) is provided with an insertion groove, the other one is provided with an insertion part (41), and the insertion part (41) can be inserted into the insertion groove;

the side wall of the insertion groove is provided with a clamping hole, the side wall of the insertion part (41) is provided with an elastic buckle (42), and the elastic buckle (42) can be clamped into the clamping hole.

2. The belt sander of claim 1,

the battery pack (4) and the vertical direction form a preset acute angle a, and the preset acute angle a is 10-45 degrees.

3. The belt sander of claim 2,

the preset acute angle a is 15-25 degrees.

4. The belt sander of claim 1,

the top of the inserting groove is opened, and the inserting part (41) is inserted into the inserting groove from top to bottom.

5. The belt sander of claim 1,

the handle (2) comprises a main handle (21) and an auxiliary handle (22), the main handle (21) is arranged in the middle of the shell (1), and the auxiliary handle (22) is arranged in the front of the shell (1).

6. The belt sander of claim 5,

the main handle (21) and/or the auxiliary handle (22) are/is provided with an anti-skid structure (23).

7. The belt sander of claim 1,

the abrasive belt mechanism (3) comprises an abrasive belt motor, a driving wheel (31), a driven wheel (32) and an abrasive belt (33), an output shaft of the abrasive belt motor is in transmission connection with the driving wheel (31), the driving wheel (31) and the driven wheel (32) are arranged at intervals, and the abrasive belt (33) is sleeved on the driving wheel (31) and the driven wheel (32).

8. The belt sander of claim 1,

the shell (1) and the handle (2) are integrally formed.