CN216912368U

CN216912368U - Handheld chamfering machine

Info

Publication number: CN216912368U
Application number: CN202220616587.9U
Authority: CN
Inventors: 袁傲
Original assignee: Dongguan Hangyuan Hardware Tools Co ltd
Current assignee: Dongguan Hangyuan Hardware Tools Co ltd
Priority date: 2022-03-21
Filing date: 2022-03-21
Publication date: 2022-07-08
Anticipated expiration: 2032-03-21

Abstract

The utility model discloses a handheld chamfering machine, which relates to the technical field of chamfering machines and comprises a driving mechanism, a cutter head assembly and a guide assembly, wherein the driving mechanism drives the cutter head assembly to rotate; the cutter head assembly penetrates through the guide seat and is positioned between the first guide plate and the second guide plate, and the guide wheel is pivoted on one surface, facing the first guide plate, of the second guide plate; the chamfering machine is ingenious in design and novel in structure, people are not prone to fatigue when holding the chamfering machine by hands, the labor intensity of people is greatly reduced, the machining speed and efficiency are greatly improved, the chamfering machine is suitable for chamfering large-sized workpieces, and the machining quality is further improved.

Description

Handheld chamfering machine

Technical Field

The utility model relates to the technical field of chamfering machines, in particular to a handheld chamfering machine.

Background

In the production and manufacturing process of metal workpieces, a large amount of burrs are often left at edges of corners or holes of the workpieces, and chamfering operation needs to be carried out on the edges of the workpieces; the comparatively chamfer equipment of general adoption carries out the chamfer among the prior art, when needs carry out the chamfer to great work piece, traditional chamfer equipment generally is difficult to derive the chamfer that is fit for large-scale work piece, and on the other hand, some work pieces require highly to the smooth finish on surface, and the deflector of traditional chamfer equipment is very easily scraped colored workpiece surface when the workpiece surface slides, influences processingquality.

Disclosure of Invention

The utility model aims to provide a handheld chamfering machine which is suitable for chamfering large-sized workpieces and further improves the processing quality.

In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:

a handheld chamfering machine comprises a driving mechanism, a cutter head assembly and a guide assembly, wherein the driving mechanism drives the cutter head assembly to rotate;

the guide assembly comprises a guide seat, a first guide plate, a second guide plate and a guide wheel, the guide seat is fixedly connected with a shell of the driving mechanism, the first guide plate and the second guide plate are fixedly arranged on the guide seat, one surface of the first guide plate facing the second guide plate is perpendicular to one surface of the second guide plate facing the first guide plate, the cutter head assembly penetrates through the guide seat and is located between the first guide plate and the second guide plate, and the guide wheel is pivoted on one surface of the second guide plate facing the first guide plate.

Further, the guide seat comprises a bearing seat and a main panel, and the bearing seat is fixedly arranged at the upper end of the main panel.

Further, still include the speed reducer, actuating mechanism drive speed reducer rotates, the speed reducer drives the blade disc subassembly and rotates, the guide holder is with the shell fixed connection of speed reducer, the shell of speed reducer and actuating mechanism's shell fixed connection.

Furthermore, the cutter head assembly comprises a cutter head and a plurality of groups of cutter heads, and the cutter heads are fixedly arranged on the cutter head in a circumferential array.

Furthermore, the guide wheels are provided with a plurality of groups, and the groups of guide wheels are arranged in a rectangular array.

Furthermore, the guide assembly further comprises an adjusting screw, an adjusting groove is formed in the main panel, and the lower end of the adjusting screw penetrates through the adjusting groove and is screwed with the first guide plate.

Furthermore, scale marks are carved on the main panel, mark lines are carved on the first guide plate, and the mark lines are matched with the scale marks.

Further, the housing of the driving motor extends outwards to form a first handle, and the first handle is located at one end, far away from the cutter head assembly, of the driving mechanism.

Further, a switch is included that controls the drive mechanism to be energized or de-energized, the switch being located at the first handle.

Further, the speed reducer further comprises a second handle, and the second handle is fixedly arranged on a shell of the speed reducer.

The utility model has the beneficial effects that: according to the chamfering device, one surface of the first guide plate facing the second guide plate is perpendicular to one surface of the second guide plate facing the first guide plate, so that the first guide plate and the second guide plate are matched with each other to chamfer a workpiece, and the chamfering device is suitable for chamfering large-sized workpieces due to the fact that the first guide plate and the second guide plate are independently designed; on the other hand, the guide wheel is pivoted on one surface, facing the first guide plate, of the second guide plate, and when the second guide plate moves along the surface of the workpiece, the guide wheel rolls along the surface of the workpiece.

Drawings

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

FIG. 2 is a side view of the overall structure of the present invention;

FIG. 3 is a schematic view of a portion of the structure of the present invention;

FIG. 4 is a schematic construction of the cutterhead assembly of the present invention;

FIG. 5 is a schematic structural view of the guide assembly of the present invention;

the reference signs are:

the drive mechanism 1, the first handle 11,

the speed reducer (2) is arranged on the front end of the main body,

a cutter head assembly 3, a cutter head 31, a cutter head 32,

the guide assembly 4, the scale lines 411, the bearing seat 412, the main panel 413, the adjusting screw 42, the first guide plate 43, the mark lines 431, the second guide plate 44, the guide wheel 45,

a switch 5 and a second handle 6.

Detailed Description

The present invention will be further described with reference to the accompanying drawings, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.

As shown in fig. 1 to 5, the hand-held chamfering machine includes a driving mechanism 1, a speed reducer 2, a cutter head assembly 3, a guide assembly 4, a switch 5 and a second handle 6, wherein the driving mechanism 1 drives the speed reducer 2 to rotate, and the speed reducer 2 drives the cutter head assembly 3 to rotate.

The guide seat comprises a bearing seat 412 and a main panel 413, wherein the bearing seat 412 is fixedly arranged at the upper end of the main panel 413.

The driving mechanism 1 is a permanent magnet brushless motor, and the driving mechanism 1 in the embodiment is controlled by a controller, so that the change of the rotating speed is very small when a large load is applied, the rotating speed is high, the chamfer angle is light and fast, the smoothness is good, and the working efficiency is greatly improved; when the traditional driving motor is used for chamfering, along with the pushing of people, the load of the driving motor is increased, and the rotating speed is reduced very obviously.

The guide assembly 4 comprises a guide seat, an adjusting screw 42, a first guide plate 43, a second guide plate 44 and a guide wheel 45, the guide seat is fixedly connected with the shell of the speed reducer 2, the shell of the speed reducer 2 is fixedly connected with the shell of the driving mechanism 1, the first guide plate 43 and the second guide plate 44 are fixedly arranged on the main panel 413, one surface of the first guide plate 43 facing the second guide plate 44 is perpendicular to one surface of the second guide plate 44 facing the first guide plate 43, the cutter head assembly 3 penetrates through the guide seat and is located between the first guide plate 43 and the second guide plate 44, and the guide wheel 45 is pivoted on one surface of the second guide plate 44 facing the first guide plate 43.

In this embodiment, there are twelve groups of guide wheels 45, each group has two, twelve groups of guide wheels 45 are arranged in a rectangular array, when the second guide plate 44 moves along the surface of the workpiece, the guide wheels 45 roll along the surface of the workpiece, compared with the conventional art, the direct friction between the second guide plate 44 and the workpiece is changed into the rolling friction between the guide wheels 45 and the surface of the workpiece, so that the friction force is greatly reduced, the surface of the workpiece is not easy to scratch, and the processing quality is greatly improved.

The main panel 413 is provided with an adjusting slot, the lower end of the adjusting screw 42 passes through the adjusting slot and is screwed with the first guide plate 43, and the size of the angle to be guided can be adjusted by moving the position of the first guide plate 43 according to actual needs by designing the adjusting screw 42 and the adjusting slot.

Main panel 413 is carved with scale mark 411, is carved with mark 431 on the first deflector 43, and mark 431 and scale mark 411 mutually support, adjust the size of the angle that will lead, and concrete regulation mode is: the adjusting screw 42 is unscrewed and moved in the adjusting groove, and simultaneously the first guide plate 43 also moves along with the adjusting screw, so that the mark line 431 points to the required scale mark 411, then the adjusting screw 42 is screwed, and the value on the scale mark 411 pointed by the mark line 431 is the value of the required chamfer, so that the value of the required chamfer can be adjusted according to the requirement.

The cutter head assembly 3 comprises a cutter head 31 and four groups of cutter heads 32, the four groups of cutter heads 32 are fixedly arranged on the cutter head 31 in a circumferential array mode, the cutter heads 32 are square, cutting edges are arranged on four peripheries of the cutter heads 32, the intersection of the cutting edges and the cutting edges is of an inverted right-angle structure, when the inverted right-angle structure at the position is used, the cutting edges at the four sides can be used, and therefore cost is greatly saved.

The upper side, the lower side, the left side and the right side of the cutter head 32 are provided with cutting edges, the cutter head 32 is fixedly connected to the cutter head 31 through screws, and the design has the effects that after one cutting edge is worn and abandoned, the cutter head 32 can be detached, rotated and reassembled, and the adjacent other cutting edge is used, so that the production cost can be greatly reduced; it should be noted that other numbers of blades on the cutting head 32 are also within the scope of the present invention, such as three, five, six, or other numbers of blades on the cutting head 32.

In the embodiment, four groups of tool bits 32 are preferably arranged in consideration of equipment cost and grinding quality, the four groups of tool bits 32 are fixedly arranged on the cutter head 31 in a circumferential array, and the cutter head 31 drives the four groups of tool bits 32 to rotate when rotating, so that chamfering of a workpiece is realized.

The casing of the driving motor extends outwards to form a first handle 11, the first handle 11 is positioned at one end of the driving mechanism 1 far away from the cutterhead assembly 3, and the switch 5 is positioned at the first handle 11, so that when the person holds the first handle 11 with one hand to push the driving mechanism 1 in use, the switch 5 can be held or released, and the switch 5 is controlled to be closed.

The second handle 6 is fixedly arranged on the shell of the speed reducer 2, when in operation, people hold the second handle 6 with the other hand, and the two hands push the chamfering machine to chamfer a workpiece, so that the operation is easier and more convenient.

The working principle of the utility model is as follows: according to actual needs, the position of the first guide plate 43 is adjusted through the adjusting screw 42, so that the size of a required chamfer is adjusted, when a workpiece with a straight edge is chamfered, the first guide plate 43 is attached to one end face of the workpiece, the second guide plate 44 is contacted with the side face of the workpiece through the guide wheel 45, the first handle 11 and the second handle 6 are respectively held by two hands, the switch 5 is pinched, the driving mechanism 1 is started, and the workpiece is chamfered while the utility model is pushed.

The technical scope of the present invention is not limited to the above embodiments, and any modifications, equivalent variations and modifications made to the above embodiments according to the technical spirit of the present invention still fall within the technical scope of the present invention.

Claims

1. A handheld chamfering machine is characterized in that: the cutter head assembly is driven to rotate by the driving mechanism;

the guide assembly comprises a guide seat, a first guide plate, a second guide plate and a guide wheel, the guide seat is fixedly connected with a shell of the driving mechanism, the first guide plate and the second guide plate are fixedly arranged on the guide seat, one surface of the first guide plate, facing the second guide plate, is perpendicular to one surface of the second guide plate, facing the first guide plate, the cutter head assembly penetrates through the guide seat and is located between the first guide plate and the second guide plate, and the guide wheel is pivoted on one surface of the second guide plate, facing the first guide plate.

2. The hand-held chamfering machine according to claim 1, wherein: the guide seat comprises a bearing seat and a main panel, wherein the bearing seat is fixedly arranged at the upper end of the main panel.

3. The hand-held chamfering machine according to claim 1, wherein: the driving mechanism drives the speed reducer to rotate, the speed reducer drives the cutter head assembly to rotate, the guide seat is fixedly connected with the shell of the speed reducer, and the shell of the speed reducer is fixedly connected with the shell of the driving mechanism.

4. The hand-held chamfering machine according to claim 1, wherein: the cutter head assembly comprises a cutter head and a plurality of groups of cutter heads, and the cutter heads are fixedly arranged on the cutter head in a circumferential array mode.

5. The hand-held chamfering machine according to claim 1, wherein: the guide wheels are provided with a plurality of groups, and the groups of guide wheels are arranged in a rectangular array.

6. The hand-held chamfering machine according to claim 2, wherein: the guide assembly further comprises an adjusting screw, an adjusting groove is formed in the main panel, and the lower end of the adjusting screw penetrates through the adjusting groove and is screwed with the first guide plate.

7. The hand-held chamfering machine according to claim 6, wherein: the main panel is provided with scale marks, the first guide plate is provided with mark lines, and the mark lines are matched with the scale marks.

8. The hand-held chamfering machine according to claim 1, wherein: the shell of the driving mechanism extends outwards to form a first handle, and the first handle is located at one end, far away from the cutter head assembly, of the driving mechanism.

9. The hand-held chamfering machine according to claim 8, wherein: the switch is located at the first handle and controls the drive mechanism to be powered on or off.

10. The hand-held chamfering machine according to claim 3, wherein: the speed reducer further comprises a second handle, and the second handle is fixedly arranged on a shell of the speed reducer.