CN215617194U

CN215617194U - Portable angle grinder for grinding workpiece before polytetrafluoroethylene spraying

Info

Publication number: CN215617194U
Application number: CN202121087001.6U
Authority: CN
Inventors: 吴洋
Original assignee: Jiangsu Youfu Anticorrosion Technology Co ltd
Current assignee: Jiangsu Youfu Anticorrosion Technology Co ltd
Priority date: 2021-05-20
Filing date: 2021-05-20
Publication date: 2022-01-25
Anticipated expiration: 2031-05-20

Abstract

The utility model relates to the technical field of angle grinders, and discloses a portable angle grinder for grinding workpieces before tetrafluoro spraying, which comprises a machine body and a machine head, wherein the left end of the machine body is connected with the machine head, the central position of the lower end of the machine head is connected with a rotating main shaft, the lower end of the rotating main shaft is connected with a grinding disc, the right end of the machine body is connected with a built-in carbon brush motor, the tail end of the built-in carbon brush motor is connected with a power wire, and the front end surface of the machine body, which is close to the machine head, is provided with a switch button. The stability during operation can be improved, be favorable to polishing the work piece, improved the quality of polishing.

Description

Portable angle grinder for grinding workpiece before polytetrafluoroethylene spraying

Technical Field

The utility model relates to the technical field of angle grinders, in particular to a portable angle grinder for grinding a workpiece before polytetrafluoroethylene spraying.

Background

An angle grinder, also called a grinder or a disc grinder, is a grinding tool for cutting and grinding glass fiber reinforced plastics, is a portable electric tool for cutting and grinding glass fiber reinforced plastics, is mainly used for cutting, grinding and brushing metal, stone and the like, and needs to be used for grinding when grinding a workpiece before polytetrafluoroethylene spraying, although the types of the angle grinder are many, the requirements of users cannot be met.

Current angle mill, when using, the thermovent is little and the volume is few, leads to the radiating efficiency low, causes motor life short, and the dust gets into from the thermovent easily, and secondly current angle mill switch uses easy fatigue for a long time, and the poor stability when polishing the operation in addition is unfavorable for polishing the work piece, causes to polish the quality poor, and portable moreover, therefore the work piece before the urgent needs tetrafluoro spraying is polished and is solved above-mentioned weak point with portable angle mill.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a portable angle grinder for grinding a workpiece before polytetrafluoroethylene spraying, which solves the problems that the existing angle grinder is small in heat dissipation port and small in quantity, so that the heat dissipation efficiency is low, the service life of a motor is short, dust easily enters from the heat dissipation port, the existing angle grinder is easy to fatigue after being used for a long time, and in addition, the stability during grinding operation is poor, the workpiece is not favorably ground, so that the grinding quality is poor, and the carrying is inconvenient.

The utility model provides the following technical scheme: workpiece before tetrafluoro spraying polishes and uses portable angle mill, including fuselage and aircraft nose, the left end of fuselage is connected with the aircraft nose, the lower extreme central point of aircraft nose puts and is connected with the rotating spindle, the lower extreme of rotating spindle is connected with the mill, the right-hand member of fuselage is connected with built-in carbon brush motor, the end-to-end connection of built-in carbon brush motor has the power cord, the preceding terminal surface of fuselage is close to aircraft nose department and is provided with shift knob, the lower extreme edge of aircraft nose is connected with the aluminum alloy head shell, a plurality of thermovents have been seted up on built-in carbon brush motor's the preceding terminal surface, one side of aircraft nose is connected with the handle.

Preferably, the switch button is a two-stage switch.

Preferably, the aluminum alloy head shell is semicircular and covers the right semicircle of the grinding disc.

Preferably, a plurality of the heat dissipation openings are provided with dust screens.

Preferably, the holding handle is connected by a threaded connection.

Preferably, a gap exists between the aluminum alloy head shell and the grinding disc, and the gap is 3 cm.

Compared with the prior art, the utility model has the following beneficial effects:

the utility model can realize high-efficiency heat dissipation by arranging the plurality of heat dissipation ports and the dust screens and utilizing the mutual matching action between the heat dissipation ports and the dust screens, prolongs the service life of the motor, can effectively prevent dust from entering from the heat dissipation ports, can reduce long-time use fatigue by arranging the sideslip two-section type switch button, is safe and high-efficiency, can improve the stability during operation by arranging the holding handle, is beneficial to polishing workpieces, improves the polishing quality, has small volume and is convenient to carry.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a partial structural schematic diagram of the present invention.

In the figure: 1. a body; 2. a machine head; 3. rotating the main shaft; 4. a built-in carbon brush motor; 5. a power line; 6. a grinding disc; 7. a handle is held; 8. a switch button; 9. a heat dissipation port; 10. a dust screen; 11. an aluminum alloy head shell.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, a portable angle grinder for grinding a workpiece before tetrafluoro spraying comprises a machine body 1 and a machine head 2, wherein the machine head 2 is connected to the left end of the machine body 1, a rotating spindle 3 is connected to the center position of the lower end of the machine head 2, the lower end of the rotating spindle 3 is connected to a grinding disc 6, a built-in carbon brush motor 4 is connected to the right end of the machine body 1, a power cord 5 is connected to the tail end of the built-in carbon brush motor 4, a switch button 8 is arranged on the front end surface of the machine body 1 close to the machine head 2, an aluminum alloy head shell 11 is connected to the lower end edge of the machine head 2, a plurality of heat dissipation ports 9 are formed in the front end surface of the built-in carbon brush motor 4, a handle 7 is connected to one side of the machine head 2, the switch button 8 is a two-section switch, the two-section switch button 8 which is arranged to sideslip can reduce fatigue for long time use, safety and high efficiency, the aluminum alloy head shell 11 is semicircular and covers the right semicircle of the grinding disc 6, the dust screen 10 is all installed to a plurality of thermovents 9 department, utilize the mutually supporting effect between them to can realize high-efficient heat dissipation, motor life has been prolonged, and can effectively prevent that the dust from getting into from thermovent 9, the handle 7 is connected through the threaded connection mode, set up the stability that the handle 7 can improve when operating, be favorable to polishing the work piece, the quality of polishing has been improved, there is the clearance between aluminum alloy head shell 11 and the mill 6, the clearance is 3 cm.

The working principle and the using process of the utility model are as follows: at first through power cord 5 switch on, this angle mill is opened through shift knob 8 of the two segmentation that sideslip, built-in carbon brush motor 4 provides drive power for rotating spindle 3 this moment, make rotating spindle 3 drive mill 6 and carry out high-speed rotation, worker's hand holds handle 7 simultaneously, stability when improving the operation, the heat that the during operation produced is discharged from a plurality of thermovents 9, dust screen 10 prevents that the dust from getting into from thermovent 9, aluminum alloy skull 11 blocks the piece under polishing, prevent that the piece from sputtering everywhere and injuring the workman.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A portable angle grinder for grinding a workpiece before tetrafluoro spraying comprises a machine body (1) and a machine head (2), and is characterized in that; the left end of fuselage (1) is connected with aircraft nose (2), the lower extreme central point of aircraft nose (2) puts and is connected with rotating spindle (3), the lower extreme of rotating spindle (3) is connected with mill (6), the right-hand member of fuselage (1) is connected with built-in carbon brush motor (4), the end-to-end connection of built-in carbon brush motor (4) has power cord (5), the preceding terminal surface of fuselage (1) is close to aircraft nose (2) department and is provided with shift knob (8), the lower extreme edge of aircraft nose (2) is connected with aluminum alloy head shell (11), a plurality of thermovents (9) have been seted up on the preceding terminal surface of built-in carbon brush motor (4), one side of aircraft nose (2) is connected with and holds handle (7).

2. The portable angle grinder for grinding a workpiece before tetrafluoro spraying according to claim 1, characterized in that: the switch button (8) is a two-section switch.

3. The portable angle grinder for grinding a workpiece before tetrafluoro spraying according to claim 1, characterized in that: the aluminum alloy head shell (11) is semicircular and covers the right semicircle of the grinding disc (6).

4. The portable angle grinder for grinding a workpiece before tetrafluoro spraying according to claim 1, characterized in that: and dust screens (10) are arranged at the positions of the heat dissipation ports (9).

5. The portable angle grinder for grinding a workpiece before tetrafluoro spraying according to claim 1, characterized in that: the handle (7) is connected in a threaded connection.

6. The portable angle grinder for grinding a workpiece before tetrafluoro spraying according to claim 1, characterized in that: a gap is formed between the aluminum alloy head shell (11) and the grinding disc (6), and the gap is 3 cm.