CN212858941U

CN212858941U - Electronic burring device of hand-held type

Info

Publication number: CN212858941U
Application number: CN202021095938.3U
Authority: CN
Inventors: 范林财
Original assignee: Kunshan Changyi Model Technology Co ltd
Current assignee: Kunshan Changyi Model Technology Co ltd
Priority date: 2020-06-15
Filing date: 2020-06-15
Publication date: 2021-04-02
Anticipated expiration: 2030-06-15

Abstract

The utility model discloses a hand-held electric deburring device, which comprises a casing, a motor, a transmission component and a grinding component, wherein the motor and a battery are arranged in the casing, a holding handle is arranged at the lower part of the casing, a power supply switch of the motor is arranged at the inner side of the holding handle, a support frame of the transmission component is fixedly connected at the front end of the casing, the transmission component comprises a main helical gear fixedly connected with a main shaft of the motor and a driven helical gear which is symmetrical up and down, the main helical gear is meshed with the driven helical gear, the grinding component comprises two groups of rotating shafts, a bearing seat and a grinding wheel, the hand-held electric deburring device utilizes the motor to drive the main helical gear to rotate, then, the main helical gear is meshed with the driven helical gear which is symmetrical at two sides to drive the rotating shafts to rotate, the grinding wheel edge with a certain inclination angle, can easily get rid of edge blade and burr, it is practical convenient.

Description

Electronic burring device of hand-held type

Technical Field

The utility model relates to a machining equipment technical field, concretely relates to electronic burring device of hand-held type.

Background

Along with the continuous progress of modern heavy industry level, batch production efficiency is promoted rapidly, when a casting piece or a punching piece is processed, even a 3D printing forming workpiece is processed, right-angle sides can appear at the periphery of the part generally, the right-angle sides can also increase the requirements of chamfering or sharpening in technical requirements generally, and are used for removing an edge cutting edge and burrs, the manual grinding process of the right-angle sides and the chamfering process adopted by a machine tool are too complicated, and under the condition that the requirement on the edge precision of the workpiece is not high, the edge cutting edge and the burrs can reach the standard as long as the edge cutting edge and the burrs can be removed. Therefore, in order to accelerate the production efficiency, a simple, convenient and high-automation-degree device is urgently needed to be designed for grinding the edges so as to remove the cutting edges and burrs.

Disclosure of Invention

The utility model discloses the purpose: in order to solve the problems in the prior art, a handheld electric deburring device is designed, a motor is utilized to drive a main helical gear to rotate, then the main helical gear and a driven helical gear which is symmetrical in two sides are meshed for transmission to drive a rotating shaft to rotate, the edge of the right-angle edge can be synchronously ground by a grinding wheel edge which is at the front end of the rotating shaft and has a certain inclination angle, the edge cutting edge and burrs can be easily removed under the condition that the requirement on the accuracy of the edge of a workpiece is not high, and the handheld electric deburring device is practical and convenient.

The technical scheme adopted for solving the problems is as follows:

a hand-held electric deburring device comprises a machine shell, a motor, a transmission assembly and a grinding assembly,

the electric motor and the battery are arranged in the casing, a holding handle is arranged at the lower part of the casing, a power supply switch of the electric motor is arranged at the inner side of the holding handle, a support frame of the transmission assembly is fixedly connected with the front end of the casing, the support frame comprises an upper support, a lower support and a connecting frame in the middle, the upper support and the lower support are fixedly connected into a whole, the upper support and the lower support are symmetrical in position and form a certain opening angle, the connecting frame is fixedly connected with the front end face of the casing through a bolt after being tightly attached,

the transmission assembly comprises a main helical gear fixedly connected with a main shaft of the motor and auxiliary helical gears which are symmetrical up and down, the main helical gear is in mesh transmission with the auxiliary helical gears,

the grinding assembly is symmetrically fixed on the support frame and comprises two groups of rotating shafts, bearing seats and grinding wheels, one end of each rotating shaft is matched with the corresponding bearing seat, the bearing seats are fixed on the upper support and the lower support, the rotating shafts are matched with key grooves in the shaft holes of the bevel gears, the grinding wheels are fixedly connected to the other ends of the rotating shafts, so that a grinding angle is formed between the two grinding wheels arranged in a front-end opposite mode of the two rotating shafts, and the upper edge and the lower edge of the right-angle edge of the workpiece are ground to.

Furthermore, the rear end of the casing and the rear part of the motor are fixedly connected with a heat radiation fan for radiating heat for the motor which continuously rotates and the inside of the casing.

Furthermore, two the pivot is gone up, emery wheel rear end cover is equipped with a dust cover, and the dust cover is equipped with two through-holes, and two through-holes cover the back with the pivot shaft hole respectively, shelter from the metal dust that emery wheel and work piece grinding process splashes.

Furthermore, after the main helical gear is matched with a spindle head key groove of the motor spindle, the main helical gear is fixed by a nut in a threaded manner.

The utility model has the advantages that:

this electronic burring device of hand-held type utilizes the motor to drive main helical gear and rotates, is driven the pivot rotation again by the driven helical gear meshing transmission of main helical gear and bilateral symmetry, and the emery wheel limit that is certain inclination of pivot front end can carry out synchronous grinding to the edge on right angle limit, under the condition that requires not high to work piece edge precision, can easily get rid of edge blade and burr, practical convenient.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below.

FIG. 1 is a schematic structural diagram of a handheld electric deburring device according to the present embodiment;

the method comprises the following steps of 1-right-angle side of a workpiece, 2-upper grinding wheel, 3-dustproof cover, 4-upper driven bevel wheel, 5-upper bearing seat, 6-support frame, 7-main shaft, 8-machine shell, 9-motor, 10-cooling fan, 11-holding handle, 12-power supply switch, 13-O-shaped gasket, 14-main bevel wheel, 15-nut, 16-lower bearing seat, 17-lower driven bevel wheel, 18-rotating shaft and 19-lower grinding wheel.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1, the present embodiment provides a handheld electric deburring device, which includes a housing 8, a motor 9, a transmission assembly and a grinding assembly.

Specifically, an electric motor 9 and a battery are arranged in the casing 8, the battery is a rechargeable battery, a holding handle 11 is arranged at the lower part of the casing 8, the control of equipment by engineers is facilitated, a power supply switch 12 of the electric motor 9 is arranged at the inner side of the holding handle 11, a ship-shaped switch can be used, a support frame 6 of a transmission assembly is fixedly connected with the front end of the casing 8, the support frame 6 comprises an upper support, a lower support and a connecting frame in the middle, the upper support and the lower support are integrally and fixedly connected, the upper support and the lower support are symmetrical in position and form an opening angle, the connecting frame is tightly attached to the front end face of the casing 8 through an O-shaped gasket 13 and then fixedly connected through a bolt, the transmission assembly comprises a main helical gear 14 fixedly connected with a main shaft 7 of the electric motor and auxiliary helical gears (4 and 17) symmetrical in upper and lower positions, the, Bearing frame and emery wheel (2, 19), 18 one end of pivot and bearing frame cooperation, the bearing frame is fixed on upper bracket and lower carriage, pivot 18 with from skewed gear shaft hole keyway cooperation, the emery wheel links firmly at 18 other ends of pivot, causes to form a grinding angle between two emery wheels that 18 front ends of two pivots counterpoint and set up, carries out the grinding to two edges about the right-angle side 1 of work piece and removes blade or burr.

In a further embodiment, a heat dissipation fan 10 is attached to the rear end of the housing 8 and the rear end of the motor 9 for dissipating heat generated by the motor 9 rotating continuously and from the interior of the housing 8.

The further implementation scheme is that a dust cover 3 is sleeved on the two rotating shafts 18 and at the rear ends of the grinding wheels (2 and 19), the dust cover 3 is provided with two through holes, and after the two through holes are respectively sleeved with the shaft holes of the rotating shafts 18, metal dust splashed in the grinding process of the grinding wheels (2 and 19) and workpieces is shielded.

In a further embodiment, the main helical gear 14 is screwed and fixed by a nut 15 after being matched with a shaft head keyway of the motor main shaft 7.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes, modifications, substitutions and alterations can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. The utility model provides an electronic burring device of hand-held type, includes casing, motor, drive assembly and grinding subassembly, its characterized in that:

2. The hand-held power-driven deburring device of claim 1 wherein: and the rear end of the shell and the rear part of the motor are fixedly connected with a cooling fan for cooling the motor which continuously rotates and the interior of the shell.

3. The hand-held power-driven deburring device of claim 1 wherein: and two dust covers are sleeved on the rotating shaft and the rear end of the grinding wheel and provided with two through holes which are respectively sleeved with the shaft hole of the rotating shaft.

4. The hand-held power-driven deburring device of claim 1 wherein: and after the main helical gear is matched with a spindle head key groove of the motor spindle, the main helical gear is fixed by a nut in a threaded manner.