CN209831124U - Three-bevel drill bit grinding machine - Google Patents

Abstract

The utility model provides a three-bevel drill bit grinding machine belongs to mechanical technical field. It has solved the problem that current grinding machine grinding precision is low, the error is big and work efficiency is low. This machine is ground to three scarf drill bits, which comprises a frame, the chuck group, set up the casing in the frame and locate the servo motor in the casing, be fixed with emery wheel one and emery wheel two on the left end of motor shaft and the right-hand member respectively, the front side of emery wheel one is equipped with first relief angle and grinds the seat, the front side of emery wheel two is provided with the front end and grinds the seat, first relief angle is ground and is seted up first grinding hole and second grinding hole on the seat is ground to the front end respectively, the cover is equipped with the spacing ring that leans on with the preceding terminal surface homogeneous phase that first grinding hole and second ground the hole on the chuck group, the upper and lower both ends face of spacing ring all is equipped with the elastic gasket, be provided with a plurality of primary shaft bearing on the first relief angle grinding seat, be provided with a plurality of secondary shaft bearing on the. The utility model has the advantages of the grinding precision is high, the error is little and work efficiency is high.

Description

Three-bevel drill bit grinding machine

Technical Field

The utility model belongs to the technical field of machinery, a grind the machine, in particular to three bevel drill bit grind machines is related to.

Background

Cutting tools are important machining tools in machining, most of the cutting tools are made of excellent hard alloy, metal ceramic and other materials, the manufacturing cost is high, and in the cutting machining, the cutting edges of the cutting tools are inevitably abraded, and even have serious accidents of corner breakage, fracture and the like in serious cases, so that the cutting tools cannot be used continuously. The worn cutter can be reground for reuse, so that the processing cost is effectively reduced.

A drill grinder is a small-sized tool grinder for grinding drill bits industrially. The existing drill bit grinding machine comprises a grinding seat, a grinding wheel and a motor for controlling the grinding wheel to rotate, wherein a drill bit chuck group extends into the grinding seat, and after the distance of the drill bit chuck group is adjusted, the drill bit chuck group is slowly and manually rotated to grind the drill bit chuck group by the rotating grinding wheel. Known from the aforesaid, current drill bit grinds machine is manual operation, and manual operation's operation is comparatively inconvenient, and is also higher to artificial requirement, and manual operation leads to the precision of product not high, and the error is great, directly influences the quality of product.

Disclosure of Invention

The utility model aims at the above-mentioned problem that exists among the prior art, provide a three-bevel drill bit grinding machine that grinding precision is high, the error is little and improve work efficiency.

The purpose of the utility model can be realized by the following technical proposal: the three-bevel drill grinding machine is characterized by comprising a rack, a chuck group, a machine shell arranged on the rack and a servo motor arranged in the machine shell, wherein the left end and the right end of a motor shaft in the motor extend out of the machine shell, a grinding wheel I and a grinding wheel II are respectively fixed on the left end and the right end of the motor shaft, a first rear angle grinding seat matched with the chuck group is arranged on the front side of the grinding wheel I, a stepping motor I is fixedly arranged on one side of the first rear angle grinding seat, the motor shaft of the stepping motor I is in transmission with the chuck group through a first belt pulley component, a tip end face grinding seat matched with the chuck group is arranged on the front side of the grinding wheel II, a stepping motor II is fixedly arranged on one side of the tip end face grinding seat, the motor shaft of the stepping motor II is in transmission with the chuck group through a second belt pulley component, and the first rear angle grinding seat and the tip end face grinding seat are respectively provided with a first chuck group which is matched with the chuck group in extension The grinding device comprises a grinding hole and a second grinding hole, wherein a limiting ring which is abutted against the front end faces of the first grinding hole and the second grinding hole is sleeved on a chuck group, elastic gaskets which are formed by multiple sections of curved surfaces are arranged on the upper end face and the lower end face of each limiting ring, a plurality of first bearings which are abutted against the elastic gaskets are arranged on a first rear angle grinding seat, and a plurality of second bearings which are abutted against the elastic gaskets are arranged on a front end face grinding seat.

The working principle is as follows: starting the three-bevel drill grinding machine, extending a chuck group into a second grinding hole in a front end face grinding seat, driving the chuck group to rotate through a second belt pulley component by a stepping motor, enabling an elastic gasket with a plurality of sections of curved surfaces on the chuck group to be in contact with a second bearing and to do front-back longitudinal motion through sufficient contact of the curved surfaces and arc surfaces, after grinding to be silent, taking the chuck group out of the second grinding hole, putting the chuck group into a first grinding hole in a first rear angle grinding seat, driving the chuck group to rotate through a first belt pulley component by the stepping motor, enabling the chuck group to do front-back longitudinal motion through contact of the plurality of sections of curved surfaces on the elastic gasket and the arc surfaces on the first bearing, grinding to be silent, taking the chuck group out of the first grinding hole, finally putting the chuck group into a second rear angle grinding hole, grinding to be silent, and taking the chuck group out, and finishing machining.

In the three-bevel drill grinding machine, a second rear angle grinding hole is formed in the casing above the first grinding wheel.

In the three-bevel drill grinding machine, arc-shaped grooves with the function of adjusting grinding angles are formed in the first rear angle grinding seat and the front end face grinding seat and are respectively positioned below the first grinding hole and the second grinding hole.

In the three-bevel drill grinding machine, the machine shell is provided with a tool setting device at a position close to the front end face grinding seat.

In the three-bevel drill grinding machine, the first bearing and the first relief angle grinding seat are connected through a plurality of first supporting seats.

In the three-bevel drill grinding machine, the second bearing and the front end face grinding seat are connected through a plurality of second supporting seats.

Compared with the prior art, the three-bevel drill bit grinding machine has the following advantages:

1. the three-bevel drill bit grinding machine is provided with a first stepping motor and a second stepping motor, and the first stepping motor and the second stepping motor and the chuck group are respectively driven to rotate by a first belt pulley assembly and a second belt pulley assembly, so that the function of automatically grinding a cutter is achieved, the labor cost is reduced, and the working efficiency and the cutter grinding precision are improved;

2. the chuck group in this three-bevel drill bit grinding machine is equipped with two elastic gasket, is provided with the inconsistent first bearing of a plurality of and elastic gasket on the seat is ground to the first relief angle, is provided with the inconsistent second bearing of a plurality of and elastic gasket on the seat is ground to the tip face, changes and grinds the during operation in the past, and the manual inconvenience of longitudinal movement around carrying out to the chuck group has the advantage that high efficiency, grinding precision are high.

Drawings

FIG. 1 is a schematic perspective view of a grinding agent for a drill bit in the triple bevel drill grinding machine.

FIG. 2 is a schematic top view of the first stepping motor and the chuck set of the triple bevel drill grinding machine.

FIG. 3 is a schematic top view of the second stepping motor and the chuck set in the triple bevel drill grinder.

In the figure, 1, a frame; 2. a chuck group; 3. a housing; 5. a first grinding wheel; 6. a second grinding wheel; 7. a first relief angle grinding seat; 8. a first stepping motor; 9. a first pulley assembly; 10. a tip face grinding seat; 11. a second stepping motor; 12. a second pulley assembly; 13. a first grinding hole; 14. a second grinding hole; 15. a limiting ring; 16. an elastic pad; 17. a first bearing; 18. a second bearing; 19. a second relief angle grind hole; 20. an arc-shaped slot; 21. a tool setting device; 22. a first support base; 23. and a second support seat.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1, 2 and 3, the three-bevel drill grinding machine comprises a frame 1, a chuck group 2, a casing 3 arranged on the frame 1 and a servo motor arranged in the casing 3, wherein the left end and the right end of a motor shaft in the motor both extend out of the casing 3, a grinding wheel I5 and a grinding wheel II 6 are respectively fixed on the left end and the right end of the motor shaft, a first rear angle grinding seat 7 matched with the chuck group 2 is arranged on the front side of the grinding wheel I5, a stepping motor I8 is fixedly arranged on one side of the first rear angle grinding seat 7, the motor shaft of the stepping motor I8 is transmitted with the chuck group 2 through a first belt pulley assembly 9, a tip end grinding seat 10 matched with the chuck group 2 is arranged on the front side of the grinding wheel II 6, a stepping motor II 11 is fixedly arranged on one side of the tip end grinding seat 10, the motor shaft of the stepping motor II 11 is transmitted with the chuck group 2 through a second belt pulley assembly 12, the first relief angle grinds seat 7 and the leading end face grinds and has seted up respectively on the seat 10 and supply chuck group 2 to stretch into the first grinding hole 13 of complex and second grinding hole 14, the cover is equipped with the spacing ring 15 that leans on with the preceding terminal surface homogeneous phase of first grinding hole 13 and second grinding hole 14 on the chuck group 2, the upper and lower both ends face of spacing ring 15 all is equipped with the elastic gasket 16 of compriseing the multistage curved surface, be provided with the first bearing 17 that a plurality of and above-mentioned elastic gasket 16 inconsistent on the seat 7 is ground to the first relief angle, be provided with the second bearing 18 that a plurality of and above-mentioned elastic gasket 16 inconsistent on the seat 10 is ground to the leading end face.

In a preferred structure, a tool setting device 21 is provided on the housing 3 at a position close to the distal end surface polishing base 10.

Preferably, a second rear angle grinding hole 19 is formed in the housing 3 above the grinding wheel 5.

As a preferable structure, the first bearing 17 and the first rear angle grinding seat 7 are connected through a plurality of first supporting seats 22.

Preferably, the second bearing 18 and the front end face grinding seat 10 are connected by a plurality of second supporting seats 23.

In order to adjust the position of the grinding seat, arc-shaped grooves 20 with the function of adjusting the grinding angle are formed in the first rear angle grinding seat 7 and the front end face grinding seat 10 and are respectively located below the first grinding hole 13 and the second grinding hole 14.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims (6)

1. A three-bevel drill grinding machine is characterized by comprising a rack (1), a chuck group (2), a casing (3) arranged on the rack (1) and a servo motor arranged in the casing (3), wherein the left end and the right end of a motor shaft in the motor extend out of the casing (3), a grinding wheel I (5) and a grinding wheel II (6) are respectively fixed on the left end and the right end of the motor shaft, a first rear angle grinding seat (7) which is matched and installed with the chuck group (2) is arranged on the front side of the grinding wheel I (5), a stepping motor I (8) is fixedly arranged on one side of the first rear angle grinding seat (7), the motor shaft of the stepping motor I (8) is transmitted with the chuck group (2) through a first belt wheel component (9), a front end face grinding seat (10) which is matched and installed with the chuck group (2) is arranged on the front side of the grinding wheel II (6), a second stepping motor (11) is fixedly arranged on one side of the front end face grinding seat (10), a motor shaft of the second stepping motor (11) is in transmission with the chuck group (2) through a second belt wheel assembly (12), a first grinding hole (13) and a second grinding hole (14) which are matched with the chuck group (2) in an extending mode are respectively formed in the first rear angle grinding seat (7) and the front end face grinding seat (10), a limiting ring (15) which is abutted against the front end faces of the first grinding hole (13) and the second grinding hole (14) is sleeved on the chuck group (2), elastic gaskets (16) formed by multiple sections of curved surfaces are respectively arranged on the upper end face and the lower end face of the limiting ring (15), a plurality of first bearings (17) abutted against the elastic gaskets (16) are arranged on the first rear angle grinding seat (7), and a plurality of second bearings (18) abutted against the elastic gaskets (16) are arranged on the front end face grinding seat (10) ).

2. The grinding machine for the drill bits with the three inclined surfaces as claimed in claim 1, wherein the housing (3) is provided with a second rear angle grinding hole (19) above the first grinding wheel (5).

3. The grinder for the drill bits with the three inclined surfaces as claimed in claim 1, wherein the first rear angle grinding seat (7) and the front end surface grinding seat (10) are provided with arc-shaped grooves (20) respectively below the first grinding hole (13) and the second grinding hole (14) for adjusting the grinding angle.

4. A triclinic bit grinder as claimed in claim 1 characterised in that the housing (3) is provided with a tool setting device (21) adjacent the face grinding seat (10).

5. A triclinic bit grinding machine according to claim 1 characterized in that the first bearing (17) and the first relief angle grinding seat (7) are connected by a plurality of first support seats (22).

6. A triclinic bit grinding machine as claimed in claim 1 wherein the second bearing (18) and the front end grinding seat (10) are connected by a plurality of second support seats (23).