阅读说明：本技术 电动锉刀 (Electric file ) 是由 黄庆炯 黄伟 于 2021-08-20 设计创作，主要内容包括：一种电动锉刀,包括锉刀主体,所述锉刀主体设有驱动组件、传动组件,所述传动组件上设有若干片第一锉刀片、若干片第二锉刀片,所述第一锉刀片、第二锉刀片相互交错设置,所述第一锉刀片、第二锉刀片在传动组件的带动下运动方向相反,所述锉刀主体在第一锉刀片、第二锉刀片上覆盖有盖板,所述盖板上设有抵接于第一锉刀片或第二锉刀片侧壁上的第一压紧块,所述锉刀主体相对于第一压紧块处设有抵接于第一锉刀片或第二锉刀片侧壁上的第二压紧块；本发明具有结构简单、设计合理、方便使用、安全可靠、磨锉效率高等优点。(An electric file comprises a file main body, wherein the file main body is provided with a driving component and a transmission component, the transmission component is provided with a plurality of first file blades and a plurality of second file blades, the first file blades and the second file blades are arranged in a staggered mode, the first file blades and the second file blades are driven by the transmission component to move in opposite directions, the file main body is covered with a cover plate on the first file blades and the second file blades, the cover plate is provided with a first compression block which is abutted to the side wall of the first file blades or the second file blades, and the file main body is provided with a second compression block which is abutted to the side wall of the first file blades or the second file blades relative to the first compression block; the invention has the advantages of simple structure, reasonable design, convenient use, safety, reliability, high filing efficiency and the like.)

1. An electric file, comprising a file main body (1), characterized in that: file main part (1) is equipped with drive assembly, be equipped with a plurality of first file blade (8), a plurality of second file blade (9) on the drive assembly, first file blade (8), second file blade (9) set up crisscross each other, first file blade (8), second file blade (9) motion opposite direction under drive assembly's drive, file main part (1) coats at first file blade (8), second file blade (9) and is stamped apron (10), be equipped with first compact heap (11) of butt on first file blade (8) or second file blade (9) lateral wall on apron (10), file main part (1) is equipped with second compact heap (12) of butt on first file blade (8) or second file blade (9) lateral wall for first compact heap (11) department.

2. The electric file according to claim 1, wherein: the drive assembly includes drive motor (2), middle gear train (3), drive motor (2) are connected with middle gear train (3) transmission, middle gear train (3) are including driven gear (13), reduction gear (14) that coaxial rotation set up, first drive gear (4) mesh mutually with reduction gear (14) of middle gear train (3), drive motor (2) set up in the back of file main part (1), output gear (15) of drive motor (2) pass file main part (1) and extend to the front of file main part (1) and mesh mutually with driven gear (13).

3. The electric file according to claim 2, wherein: the transmission assembly comprises a first transmission gear (4) and a second transmission gear (5), the first transmission gear (4) and the second transmission gear (5) are respectively arranged on two sides of the middle gear set (3), the first transmission gear (4) is meshed with the middle gear set (3), the second transmission gear (5) is meshed with the first transmission gear (4), a plurality of first swing arms (6) and second swing arms (7) are respectively arranged on two sides of the file main body (1), the first swing arms (6) are in transmission connection with the first transmission gear (4), and the second swing arms (7) are in transmission connection with the second transmission gear (5); a first filing blade (8) is fixed between every two adjacent first swing arms (6), and a second filing blade (9) is fixed between every two adjacent second swing arms (7).

4. The electric file according to claim 3, wherein: the tail ends of the first swing arm (6) and the second swing arm (7) are arranged in a staggered mode and are riveted to the bottom of the file main body (1) through rivets (16), a first swing hole (17) is formed in the first swing arm (6), a second swing hole (18) is formed in the second swing arm (7), and the first swing hole (17) and the second swing hole (18) are both long holes; be equipped with first eccentric post (19) on first drive gear (4), be equipped with on first eccentric post (19) with first swing hole (17) assorted first oscillating bearing (20), be equipped with second eccentric post (21) on second drive gear (5), be equipped with on second eccentric post (21) with second swing hole (18) assorted second oscillating bearing (22).

5. The electric file according to claim 4, wherein: two adjacent be fixed with first limiting plate (23) between first swing arm (6), be equipped with on first limiting plate (23) first auxiliary hole (24) the same with first swing hole (17) structure, first swing bearing (20) are located first swing hole (17), first auxiliary hole (24), the top of first limiting plate (23) is equipped with first V type groove (25), the tail end of first file blade (8) be equipped with first V type groove (25) assorted first V type piece (26).

6. The electric file according to claim 4, wherein: two adjacent be fixed with second limiting plate (27) between second swing arm (7), be equipped with on second limiting plate (27) and swing hole (18) the same second auxiliary hole (28) of structure with the second, second swing bearing (22) are located second swing hole (18), second auxiliary hole (28), the top of second limiting plate (27) is equipped with second V type groove (29), the tail end of second file blade (9) is equipped with and swings second V type groove (29) assorted second V type piece (30).

7. The electric file according to claim 1, wherein: file main part (1) is equipped with toward first file piece (8) or the sunken supplementary seat (31) of second file piece (9) direction for first file piece (8) or second file piece (9) department, apron (10) set up on supplementary seat (31), be equipped with first installation axle (32) on apron (10), first compact heap (11) set up on first installation axle (32), be equipped with second installation axle (33) on supplementary seat (31), second compact heap (12) set up on second installation axle (33), first compact heap (11), second compact heap (12) are the bearing.

8. The electric file according to claim 4, wherein: the profile of the top end face of the auxiliary seat (31) and the profiles of the cutting edges of the first file blade (8) and the second file blade (9) are arc-shaped structures taking the rivet (16) as a circle center, the profiles of the end faces of the two sides of the top end of the cover plate (10) are the same as the profiles of the cutting edges of the first file blade (8) and the second file blade (9), and the height of the end face of the middle position of the top end of the cover plate (10) relative to the rivet (16) is smaller than the height of the cutting edge end faces of the first file blade (8) and the second file blade (9) relative to the rivet (16).

Technical Field

The invention relates to a file, in particular to an electric file.

Background

In the course of metal working, the use of files is very common. When small errors of metal workpieces are trimmed, the manual file is often used for polishing, so that the processing workload is multiplied inevitably, a large amount of time is consumed, and meanwhile, the requirement on precision cannot be well guaranteed during manual filing. In order to solve the defect, electric files driven by a motor appear on the market, but the working directions of the file blades of the electric files used at present are all in the same direction, so that a special tool or a worker is needed to fix a workpiece when the files are used, and the workpiece is prevented from being deflected due to the force of the file blades when the files are used for filing; and the file is in order to guarantee to grind file efficiency, install the synchronous file blade of multi-disc on electronic file, and the blade atress leads to elastic deformation to make to produce the gap between the blade when grinding the file easily, produced piece enters into the gap between the blade when causing to grind the file in to influenced the effect of grinding the file, the atress is too big when grinding the file still can lead to the blade fracture, not only lead to the blade to scrap, the blade that the fracture got off still can cause the injury to the operator moreover.

Disclosure of Invention

The invention aims to overcome the defects in the prior art, and provides the electric file which is simple in structure, reasonable in design, convenient to use, safe and reliable and high in filing efficiency.

The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides an electric file, includes the file main part, the file main part is equipped with drive assembly, be equipped with a plurality of first file pieces, a plurality of second file pieces on the drive assembly, first file piece, second file piece are crisscross setting each other, first file piece, second file piece motion opposite direction under drive assembly's drive, the file main part covers at first file piece, second file piece and has the apron, be equipped with the first compact heap of butt on first file piece or second file piece lateral wall on the apron, the file main part is equipped with the second compact heap of butt on first file piece or second file piece lateral wall for first compact heap department relatively.

Preferably, the driving assembly includes a transmission motor and an intermediate gear set, the transmission motor is in transmission connection with the intermediate gear set, the intermediate gear set includes a driven gear and a reduction gear which are coaxially and rotatably arranged, the first transmission gear is meshed with the reduction gear of the intermediate gear set, the transmission motor is arranged on the back of the file main body, and an output gear of the transmission motor penetrates through the file main body and extends to the front of the file main body to be meshed with the driven gear.

Preferably, the transmission assembly comprises a first transmission gear and a second transmission gear, the first transmission gear and the second transmission gear are respectively arranged on two sides of the middle gear set, the first transmission gear is meshed with the middle gear set, the second transmission gear is meshed with the first transmission gear, a plurality of first swing arms and second swing arms are respectively arranged on two sides of the file main body, the first swing arms are in transmission connection with the first transmission gear, and the second swing arms are in transmission connection with the second transmission gear; a first filing blade is fixed between every two adjacent first swing arms, and a second filing blade is fixed between every two adjacent second swing arms.

Preferably, the tail ends of the first swing arm and the second swing arm are staggered and riveted to the bottom of the file main body through rivets; a first swing hole is formed in the first swing arm, a second swing hole is formed in the second swing arm, and the first swing hole and the second swing hole are both long holes; the first transmission gear is provided with a first eccentric column, the first eccentric column is provided with a first swing bearing matched with the first swing hole, the second transmission gear is provided with a second eccentric column, and the second eccentric column is provided with a second swing bearing matched with the second swing hole.

Preferably, a first limiting plate is fixed between every two adjacent first swing arms, a first auxiliary hole with the same structure as the first swing hole is formed in each first limiting plate, the first swing bearing is located in each first swing hole and each first auxiliary hole, a first V-shaped groove is formed in the top end of each first limiting plate, and a first V-shaped block matched with the first V-shaped groove is arranged at the tail end of each first file blade.

Preferably, a second limiting plate is fixed between every two adjacent second swing arms, a second auxiliary hole with the same structure as the second swing hole is formed in the second limiting plate, the second swing bearing is located in the second swing hole and the second auxiliary hole, a second V-shaped groove is formed in the top end of the second limiting plate, and a second V-shaped block matched with the second V-shaped groove is arranged at the tail end of the second file blade.

Preferably, the file main part is equipped with toward the sunken auxiliary seat of first file piece or second file piece direction for first file piece or second file piece department, the apron sets up on the auxiliary seat, be equipped with first installation axle on the apron, first compact heap sets up on first installation axle, be equipped with second installation axle on the auxiliary seat, the second compact heap sets up on the installation axle of second, first compact heap, second compact heap are the bearing.

Preferably, the profile of the end surface at the top end of the auxiliary seat and the profiles of the cutting edges of the first and second file blades are both arc-shaped structures with a rivet as a circle center, the profiles of the end surfaces at two sides of the top end of the cover plate are the same as the profiles of the cutting edges of the first and second file blades, and the height of the end surface at the middle position of the top end of the cover plate relative to the rivet is smaller than the height of the cutting edge end surfaces of the first and second file blades relative to the rivet.

The invention carries out power output through a transmission motor, and transmits the power to a first transmission gear and a second transmission gear after being decelerated through a middle gear set, and then the first transmission gear and the second transmission gear drive a first swing arm and a second swing arm which are respectively connected with the first transmission gear and the second transmission gear in a transmission way, and the first transmission gear and the second transmission gear are meshed with each other, so that the swinging directions of the first swing arm and the second swing arm are opposite in working, so that the first swing arm and the second swing arm respectively drive a first file blade and a second file blade to move in opposite directions, and the moving directions of the first file blade and the second file blade are opposite, so that two forces in opposite directions can be generated in file grinding, thereby offsetting the deviation of a workpiece The second file blade prevents the blade from being broken due to elastic deformation caused by stress during file grinding, and also prevents the blade from being deformed due to stress during file grinding to generate gaps between the blades, so that scraps generated during file grinding enter the gaps between the blades, and the file grinding effect is influenced; the invention has the advantages of simple structure, reasonable design, convenient use, safety, reliability, high filing efficiency and the like.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;

FIG. 2 is a side view of an embodiment of the present invention;

FIG. 3 is an enlarged view taken at A of FIG. 2 in accordance with the present invention;

FIG. 4 is an exploded view of a portion of an embodiment of the present invention;

FIG. 5 is an enlarged view of the invention at B of FIG. 4;

FIG. 6 is an enlarged view of the invention at C of FIG. 4;

fig. 7 is a top view of an embodiment of the present invention.

In the figure: 1. a file main body; 2. a drive motor; 3. an intermediate gear set; 4. a first drive gear; 5. a second transmission gear; 6. a first swing arm; 7. a second swing arm; 8. a first rasp blade; 9. a second rasp blade; 10. a cover plate; 11. a first compact block; 12. a second compact block; 13. a driven gear; 14. a reduction gear; 15. an output gear; 16. riveting; 17. a first swing hole; 18. a second swing hole; 19. a first eccentric column; 20. a first oscillating bearing; 21. a second eccentric column; 22. a second swing bearing; 23. a first limit plate; 24. a first auxiliary hole; 25. a first V-shaped groove; 26. a first V-shaped block; 27. a second limiting plate; 28. a second auxiliary hole; 29. a second V-shaped groove; 30. a second V-shaped block; 31. an auxiliary seat; 32. a first mounting shaft; 33. a second mounting shaft.

Detailed Description

The technical solution of the present invention is further specifically described below by way of specific examples in conjunction with the accompanying drawings.

Example (b):

an electric file as shown in fig. 1 to 7, including file main body 1, file main body 1 is equipped with drive assembly, be equipped with a plurality of first file piece 8, a plurality of second file piece 9 on the drive assembly, first file piece 8, the crisscross setting each other of second file piece 9, first file piece 8, second file piece 9 motion opposite direction under drive assembly's drive, file main body 1 coats at first file piece 8, second file piece 9 and is stamped apron 10, be equipped with the first compact heap 11 of butt on first file piece 8 or second file piece 9 lateral wall on the apron 10, file main body 1 is equipped with the second compact heap 12 of butt on first file piece 8 or second file piece 9 lateral wall for first compact heap 11 department.

The driving assembly comprises a transmission motor 2 and an intermediate gear set 3, the transmission motor 2 is in transmission connection with the intermediate gear set 3, the intermediate gear set 3 comprises a driven gear 13 and a reduction gear 14 which are coaxially arranged in a rotating mode, the transmission motor 2 is arranged on the back face of the file main body 1, and an output gear 15 of the transmission motor 2 penetrates through the file main body 1 and extends to the front face of the file main body 1 to be meshed with the driven gear 13.

The transmission assembly comprises a first transmission gear 4 and a second transmission gear 5, the first transmission gear 4 and the second transmission gear 5 are respectively arranged at two sides of the middle gear set 3, the first transmission gear 4 is meshed with a reduction gear 14 of the middle gear set 3, the first transmission gear 4 is meshed with the middle gear set 3, the second transmission gear 5 is meshed with the first transmission gear 4, a plurality of first swing arms 6 and second swing arms 7 are respectively arranged at two sides of the file main body 1, the tail ends of the first swing arms 6 and the second swing arms 7 are staggered and riveted at the bottom of the file main body 1 through rivets 16, first swing holes 17 are arranged on the first swing arms 6, second swing holes 18 are arranged on the second swing arms 7, the first swing holes 17 and the second swing holes 18 are long holes, the first swing arms 6 are in transmission connection with the first transmission gear 4, the second swing arm 7 is in transmission connection with the second transmission gear 5; the first transmission gear 4 is provided with a first eccentric column 19, the first eccentric column 19 is provided with a first swing bearing 20 matched with the first swing hole 17, the second transmission gear 5 is provided with a second eccentric column 21, and the second eccentric column 21 is provided with a second swing bearing 22 matched with the second swing hole 18.

A first file blade 8 is fixed between every two adjacent first swing arms 6, a first limiting plate 23 is fixed between every two adjacent first swing arms 6, a first auxiliary hole 24 with the same structure as the first swing hole 17 is formed in the first limiting plate 23, the first swing bearing 20 is located in the first swing hole 17 and the first auxiliary hole 24, a first V-shaped groove 25 is formed in the top end of the first limiting plate 23, and a first V-shaped block 26 matched with the first V-shaped groove 25 is arranged at the tail end of each first file blade 8; a second file blade 9 is fixed between every two adjacent second swing arms 7, a second limiting plate 27 is fixed between every two adjacent second swing arms 7, a second auxiliary hole 28 with the same structure as the second swing hole 18 is formed in the second limiting plate 27, the second swing bearing 22 is located in the second swing hole 18 and the second auxiliary hole 28, a second V-shaped groove 29 is formed in the top end of the second limiting plate 27, and a second V-shaped block 30 matched with the second V-shaped groove 29 is arranged at the tail end of the second file blade 9; the first rasp blade 8 and the second rasp blade 9 are arranged in a staggered manner.

The file main body 1 is provided with an auxiliary base 31 which is concave towards the first file blade 8 or the second file blade 9 relative to the first file blade 8 or the second file blade 9, the cover plate 10 is arranged on the auxiliary base 31, a first mounting shaft 32 is arranged on the cover plate 10, the first pressing block 11 is arranged on the first mounting shaft 32, a second mounting shaft 33 is arranged on the auxiliary base 31, the second pressing block 12 is arranged on the second mounting shaft 33, and the first pressing block 11 and the second pressing block 12 are bearings; the profile of the top end surface of the auxiliary seat 31 and the profiles of the cutting edges of the first file blade 8 and the second file blade 9 are both arc-shaped structures with the rivet 16 as a circle center, the profiles of the end surfaces of the two sides of the top end of the cover plate 10 are the same as the profiles of the cutting edges of the first file blade 8 and the second file blade 9, and the height of the end surface of the middle position of the top end of the cover plate 10 relative to the rivet 16 is smaller than the height of the cutting edge end surfaces of the first file blade 8 and the second file blade 9 relative to the rivet 16.

The above-described embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and other variations and modifications may be made without departing from the spirit of the invention as set forth in the claims.