CN215786885U

CN215786885U - Small-space spot facing machine

Info

Publication number: CN215786885U
Application number: CN202122198599.2U
Authority: CN
Inventors: 李广敏; 宋福森; 李振龙; 马守涛
Original assignee: Dalian Sanjin Automobile Parts Manufacture Co ltd
Current assignee: Dalian Sanjin Automobile Parts Manufacture Co ltd
Priority date: 2021-09-11
Filing date: 2021-09-11
Publication date: 2022-02-11
Anticipated expiration: 2031-09-11

Abstract

The utility model provides a small-space spot facing machine, and relates to the technical field of mechanical application; comprises a workbench, a universal power-assisted support is arranged on the workbench, a rotary outer ring is arranged at the free end of the universal power-assisted support, and a rotary inner ring is arranged in the rotary outer ring in a penetrating way; the rotating inner ring is provided with an upper jaw plate and a lower jaw plate, the upper jaw plate is provided with a motor, and a main shaft of the motor penetrates below the lower jaw plate through the rotating inner ring and is provided with a driving wheel; a first gear is arranged between the upper far end of the upper jaw plate and the lower far end of the lower jaw plate, and a shaft lever of the first gear extends to the lower part of the lower far end and is provided with a cutter clamp and a countersink; the gear set between the upper distal end and the lower distal end is meshed with the first gear; the gear is connected with the driven wheel, and a transmission belt is wound between the driven wheel and the driving wheel. According to the utility model, through the arrangement of the universal power-assisted support and the front-end spot facing function mechanism, spot facing operation can be realized in a small space, interference influence is avoided, the spot facing processing quality of products with special structures is improved, the labor intensity of workers is reduced, a large amount of labor force is saved, and meanwhile, the production efficiency is improved.

Description

Small-space spot facing machine

Technical Field

The utility model relates to the technical field of mechanical application, in particular to a small-space spot facing machine.

Background

Spot facing is a metal processing method, which means that a cylindrical counter bore, a conical counter bore, a boss end face and the like are processed on a processed hole. The purpose of spot facing is to ensure the verticality of the hole orifice and the hole central line, so that the part connected with the hole is positioned correctly and the connection is reliable. The end of the connecting hole of the workpiece is reamed to form a cylindrical or conical countersink, and the countersunk head screw is embedded into the hole to connect related parts, so that the appearance is neat, and the assembly position is compact. The end face of the hole is reamed flat and is perpendicular to the central line of the hole, so that the end face of the connecting bolt (or the nut) can be kept in good contact with the connecting piece.

The counterboring uses hand drill usually, and the cooperation counterboring sword goes on, but has near the counterboring position of some products to interfere, and hand drill can not process perpendicularly, and the counterboring effect is not good, based on this problem, needs to develop a section and is used for the counterboring equipment in little space specially.

SUMMERY OF THE UTILITY MODEL

The utility model provides a small-space spot facing machine, which solves the problem of poor spot facing effect caused by interference in the prior art.

The technical scheme of the utility model is realized as follows:

a small-space spot facing machine comprises a workbench, wherein a universal power-assisted support is arranged on the workbench, a rotary outer ring is arranged at the free end of the universal power-assisted support, and a rotary inner ring is arranged in the rotary outer ring in a penetrating manner;

the upper end of the rotating inner ring is provided with an upper jaw plate, the lower end of the rotating inner ring is provided with a lower jaw plate, and the rotating outer ring is positioned between the upper jaw plate and the lower jaw plate; the upper jaw plate is provided with a motor, and a main shaft of the motor penetrates below the lower jaw plate through the inside of the rotating inner ring and is provided with a driving wheel;

the upper jaw plate extends outwards from the side of the rotating inner ring to form an upper far end, the lower jaw plate extends outwards from the side of the rotating inner ring to form a lower far end, and the upper far end and the lower far end extend in the same direction; a first gear is arranged between the upper far end and the lower far end, a shaft lever of the first gear extends to the position below the lower far end and is provided with a cutter clamp, and the cutter clamp is provided with a countersink cutter; a gear set is arranged between the upper far end and the lower far end and is meshed with the first gear; the gear set is connected with a driven wheel, and a transmission belt is wound between the driven wheel and the driving wheel.

Further, the gear set includes a second gear and a third gear, which are respectively disposed between the upper distal end and the lower distal end; the first gear is meshed with a second gear, and the second gear is meshed with a third gear; the shaft of the third gear extends below the lower distal end and is connected to the driven wheel.

Further, the shaft of the first gear, the shaft of the second gear, and the shaft of the third gear are disposed on the upper distal end and the lower distal end, respectively, via bearings.

Further, the width of the upper jaw plate is gradually reduced from the rotating inner ring side to the upper far end, and the width of the lower jaw plate is gradually reduced from the rotating inner ring side to the lower far end.

Further, the upper distal end and the lower distal end are both arc-shaped ends, and the diameter of the arc-shaped ends is less than 30 mm.

Further, a side baffle is arranged between the upper jaw plate and the lower jaw plate and shields the gear set.

Furthermore, the universal power-assisted support comprises a first rotating shaft arranged on the workbench, one end of a lower cross beam is arranged on the first rotating shaft, and the lower cross beam can rotate around the first rotating shaft in a horizontal plane;

the other end of the lower cross beam is provided with a second rotating shaft, a rotating shaft block is rotatably arranged on the second rotating shaft, one end of the upper cross beam and one end of the telescopic device are respectively hinged with the rotating shaft block, the number of the upper cross beams is two, the two upper cross beams are parallel and equal in length, and the other end of the telescopic device is hinged with one of the upper cross beams; the upper cross beam and the telescopic device rotate around a second rotating shaft in a horizontal plane through the rotating shaft block;

the other end of the upper cross beam is hinged with an outer ring connecting plate, and the outer ring connecting plate is connected with a rotary outer ring.

Furthermore, a shaft block connecting plate is arranged on the rotating shaft block, and one end of the upper cross beam and one end of the telescopic device are hinged to the shaft block connecting plate respectively.

Further, a rotating shaft base is arranged at the lower end of the first rotating shaft, and the rotating shaft base is arranged on the workbench;

the first rotating shaft is sleeved with a rotating shaft reinforcing shaft sleeve, and the lower cross beam is arranged on the rotating shaft reinforcing shaft sleeve.

The utility model has the beneficial effects that:

the utility model has simple structure and convenient use; according to the utility model, through the arrangement of the universal power-assisted support and the front-end spot facing function mechanism, spot facing operation can be realized in a small space, interference influence is avoided, the spot facing processing quality of products with special structures is improved, the labor intensity of workers is reduced, a large amount of labor force is saved, and meanwhile, the production efficiency is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic diagram of a usage state structure of one embodiment of the present invention;

FIG. 2 is a schematic view of the structures of the upper jaw plate and the lower jaw plate according to an embodiment of the present invention;

FIG. 3 is a schematic cross-sectional view of FIG. 2;

FIG. 4 is a schematic structural diagram of a gimbal mount according to an embodiment of the present invention.

Wherein:

1. a work table; 2. a universal booster bracket; 3. rotating the outer ring; 4. rotating the inner ring; 5. a maxillary plate; 6. a lower jaw plate; 7. a motor; 8. a driving wheel; 9. an upper distal end; 10. a lower distal end; 11. a first gear; 12. a tool holder; 13. countersinking; 14. a driven wheel; 15. a drive belt; 16. a second gear; 17. a third gear; 18. a bearing; 19. producing a product; 20. a side dam; 21. a first rotating shaft; 22. a lower cross member; 23. a rotating shaft base; 24. a rotating shaft reinforcing shaft sleeve; 25. a second rotation shaft; 26. rotating the shaft block; 27. an upper cross member; 28. a telescoping device; 29. an outer ring connecting plate; 30. the axle block connecting plate.

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.

As shown in fig. 1-4, the small-space countersinking machine in this embodiment includes a workbench 1, a universal power-assisted support 2 is disposed on the workbench 1, a rotary outer ring 3 is disposed at a free end of the universal power-assisted support 2, and a rotary inner ring 4 is disposed in the rotary outer ring 3 in a penetrating manner.

Referring to fig. 2 to 3, the upper end of the rotating inner ring 4 is provided with an upper jaw plate 5, the lower end of the rotating inner ring 4 is provided with a lower jaw plate 6, the upper jaw plate 5 and the lower jaw plate 6 are parallel to each other, and the rotating outer ring 3 is positioned between the upper jaw plate 5 and the lower jaw plate 6. The upper jaw plate 5 is provided with a motor 7, and a main shaft of the motor 7 penetrates below the lower jaw plate 6 through the inside of the rotating inner ring 4 and is provided with a driving wheel 8.

The upper jaw plate 5 is extended outwards from the side of the rotating inner ring 4 to form an upper far end 9, the lower jaw plate 6 is extended outwards from the side of the rotating inner ring 4 to form a lower far end 10, and the upper far end 9 and the lower far end 10 extend in the same direction. Set up first gear 11 between last distal end 9 and the distal end 10 down, the axostylus axostyle of first gear 11 extends to the below of distal end 10 down and establishes cutter holder 12, set up countersink 13 on the cutter holder 12, can change different countersink 13 according to the needs of countersink. A gear set is arranged between the upper far end 9 and the lower far end 10, and the gear set is meshed with a first gear 11; the gear train is connected with from driving wheel 14, around establishing driving belt 15 between driving wheel 14 and the action wheel 8, then motor 7 passes through action wheel 8, driving belt 15 and drives the gear train rotation from driving wheel 14, and the gear train rethread first gear 11 drives cutter holder 12 and countersink 13 and rotates, realizes the countersink operation.

In this embodiment, the gear set includes a second gear 16 and a third gear 17, and the second gear 16 and the third gear 17 are respectively disposed between the upper distal end 9 and the lower distal end 10. The first gear 11 is meshed with a second gear 16, and the second gear 16 is meshed with a third gear 17; the shaft of the third gear 17 extends below the lower distal end 10 and is connected to the driven wheel 14. The shaft of the first gear 11, the shaft of the second gear 16 and the shaft of the third gear 17 are arranged on the upper distal end 9 and the lower distal end 10, respectively, via bearings 18. In this embodiment, 1400 rpm is selected for the motor 7, and after the speed reduction through the transmission belt 15 and each gear, the rotation number of the countersink 13 is about 350 rpm, which is beneficial to the life improvement of the blade and can ensure sufficient torque force.

In this embodiment, the width of the upper jaw 5 is gradually reduced from the rotating inner ring 4 side to the upper distal end 9, and the width of the lower jaw 6 is gradually reduced from the rotating inner ring 4 side to the lower distal end 10. Therefore, the sizes of the upper far end 9 and the lower far end 10 at one end of the countersink 13 can be ensured to be smaller, the use in a small space is facilitated, and the upper jaw plate 5 and the lower jaw plate can be ensured to have certain strength. The upper far end 9 and the lower far end 10 are both arc-shaped ends, and the diameter of each arc-shaped end is less than 30 mm. The 30mm is selected to be suitable for the product 19 with the specific structure in the figure 1, so that a gap can be ensured between the product 19 and the stand column in the embodiment, and the spot facing effect is not influenced; in practical applications, this value may be set according to the specific product size. A side baffle 20 is arranged between the upper jaw plate 5 and the lower jaw plate, and the side baffle 20 shields the gear set, namely protects the gear set, and is more attractive.

Referring to fig. 4, in the present embodiment, the universal power assist bracket 2 includes a first rotation shaft 21 disposed on the work table 1, and one end of a lower cross beam 22 is disposed on the first rotation shaft 21, and the lower cross beam 22 is rotatable around the first rotation shaft 21 in a horizontal plane. In this embodiment, a rotating shaft base 23 is disposed at the lower end of the first rotating shaft 21, and the rotating shaft base 23 is disposed on the table 1; the first rotating shaft 21 is sleeved with a rotating shaft reinforcing sleeve 24, the lower cross beam 22 is arranged on the rotating shaft reinforcing sleeve 24, and the lower cross beam 22 rotates around the first rotating shaft 21 through the rotating shaft reinforcing sleeve 24.

A second rotating shaft 25 is arranged at the other end of the lower cross beam 22, a rotating shaft block 26 is rotatably arranged on the second rotating shaft 25, one end of an upper cross beam 27 and one end of a telescopic device 28 are respectively hinged with the rotating shaft block 26, two upper cross beams 27 are arranged, the two upper cross beams 27 are parallel and equal in length, the other end of the telescopic device 28 is hinged with one upper cross beam 27, and the telescopic device 28 adopts a gas spring; the upper beam 27 and the telescopic device 28 are rotated about the second rotation axis 25 in a horizontal plane by the rotation axis block 26. The other end of the upper cross beam 27 is hinged with an outer ring connecting plate 29, and the outer ring connecting plate 29 is connected with the rotating outer ring 3. The rotating shaft block 26 is provided with a shaft block connecting plate 30, and one end of the upper cross beam 27 and one end of the telescopic device 28 are respectively hinged with the shaft block connecting plate 30. The telescopic device 28 can pull the upper cross beam 27 to swing in the vertical plane around the axle block connecting plate 30. When the two upper cross beams 27 swing simultaneously, the outer ring connecting plate 29 is driven to move in the vertical direction, the angles of the upper jaw plate 5 and the lower jaw plate are not changed, and the horizontal direction is kept.

When the counter boring cutter is used, the lower cross beam rotates in the horizontal plane of the first rotating shaft 21, the upper cross beam rotates in the horizontal plane of the second rotating shaft, the upper cross beam rotating block connecting plate 30 rotates in the vertical plane, and the rotating outer ring 3 and the rotating inner ring 4 rotate relatively to realize the random positioning and supporting of the counter boring cutter 13. Due to the small-size design of the upper far end 9 and the lower far end 10, the counter boring machine is suitable for small-space operation, interference influence is avoided, the counter boring machining quality of a special structure product 19 is improved, the labor intensity of workers is reduced, a large amount of labor is saved, and meanwhile the production efficiency is improved.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The small-space spot facing machine is characterized by comprising a workbench, wherein a universal power-assisted support is arranged on the workbench, a rotary outer ring is arranged at the free end of the universal power-assisted support, and a rotary inner ring is arranged in the rotary outer ring in a penetrating manner;

2. The small space countersink machine of claim 1, wherein said gear set includes a second gear and a third gear, said second gear and said third gear being disposed between said upper distal end and said lower distal end, respectively; the first gear is meshed with a second gear, and the second gear is meshed with a third gear; the shaft of the third gear extends below the lower distal end and is connected to the driven wheel.

3. The small space countersink machine according to claim 2, wherein the shaft of the first gear, the shaft of the second gear, and the shaft of the third gear are disposed on the upper distal end and the lower distal end, respectively, via bearings.

4. The small space countersink machine of claim 1, wherein the width of said upper jaw plate is gradually decreased from the side of the rotating inner ring to the upper distal end, and the width of said lower jaw plate is gradually decreased from the side of the rotating inner ring to the lower distal end.

5. The small space countersink machine of claim 4, wherein said upper and lower distal ends are curved ends, and the curved ends have a diameter of less than 30 mm.

6. The small space spot facing machine according to claim 1, wherein a side baffle is arranged between the upper jaw plate and the lower jaw plate, and the side baffle shields the gear set.

7. The small space spot facing machine according to any one of claims 1 to 6, wherein the universal power-assisted support comprises a first rotating shaft provided on the table, and one end of a lower beam is provided on the first rotating shaft, the lower beam being rotatable about the first rotating shaft in a horizontal plane;

8. The small space spot facing machine according to claim 7, wherein a shaft block connecting plate is provided on the rotary shaft block, and one end of the upper beam and one end of the telescopic device are respectively hinged to the shaft block connecting plate.

9. The small space spot facing machine according to claim 8, wherein a rotary shaft base is provided at a lower end of the first rotary shaft, the rotary shaft base being provided on a table;