CN115592479B

CN115592479B - Grinding device of cutter drill bit for automobile part machining

Info

Publication number: CN115592479B
Application number: CN202211603441.1A
Authority: CN
Inventors: 薛明杰
Original assignee: Jiangsu Wanjin Precision Cutting Tool Co ltd
Current assignee: Jiangsu Wanjin Precision Cutting Tool Co ltd
Priority date: 2022-12-14
Filing date: 2022-12-14
Publication date: 2023-03-10
Anticipated expiration: 2042-12-14
Also published as: CN115592479A

Abstract

The invention discloses a grinding device of a cutter drill bit for processing automobile parts, which relates to the technical field of drill bit processing machinery and comprises a base plate, wherein an adjusting part and a driving part are arranged on the base plate, a clamping mechanism is arranged on the adjusting part, an output end of the driving part is provided with a grinding wheel, the clamping mechanism comprises two wafers, and a connecting sheet, a sliding rod, a second annular part, a third annular part, a fourth annular part and a telescopic assembly are arranged between the two wafers. According to the invention, the clamping mechanism is arranged, the clamping mechanism is provided with a plurality of annularly distributed telescopic assemblies, the telescopic assemblies are driven by different driving assemblies to clamp drill rods with different thicknesses, different driving assemblies are respectively matched with different annular pieces, and the clamping members of the telescopic assemblies can be driven to move by rotating the annular pieces.

Description

Grinding device of cutter drill bit for automobile part machining

Technical Field

The invention relates to the technical field of drill bit processing machinery, in particular to a grinding device for a cutter drill bit for processing automobile parts.

Background

The drill bit is the most common cutting tool in the machining process, and the cutting elements of the drill bit are very important, so that the processing quality of the drilled workpiece, such as the dimensional accuracy of the drilled hole, the surface finish of the drilled hole and the like, is directly influenced.

The tools for fixing the drill bit of the existing drill bit grinding device are mostly collet chucks, and due to the fact that the specifications of the drill bits are multiple, the thicknesses and the sizes of drill rods are different, the collet chucks with multiple sizes are required to be used for matching different drill bits, so that the drill bits with different sizes are required to be frequently replaced and disassembled during continuous processing, time and labor are consumed, and the grinding device with the adjustable clamp is required.

Disclosure of Invention

The invention aims to: in order to solve the problems, a sharpening device of a cutter drill for machining automobile parts is provided.

In order to achieve the purpose, the invention adopts the following technical scheme:

a grinding device of a cutter drill bit for machining automobile parts comprises a bottom plate, wherein an adjusting part and a driving part are arranged on the bottom plate, a clamping mechanism is arranged on the adjusting part, and an output end of the driving part is provided with a grinding wheel; the clamping mechanism comprises two wafers, a connecting piece, a sliding rod, a second annular piece, a third annular piece, a fourth annular piece and a telescopic assembly are arranged between the two wafers, through holes are formed in the two wafers, the connecting piece, the sliding rod and the telescopic assembly are all provided with a plurality of connecting pieces, the sliding rod and the telescopic assembly are all uniformly arranged around the wafers in an annular mode, a first annular piece is arranged on one side, close to each other, of the two wafers, a first driving assembly is arranged on the inner side of the second annular piece, a second driving assembly is arranged on the inner side of the third annular piece, a third driving assembly is arranged on the inner side of the fourth annular piece, and the first driving assembly, the second driving assembly and the third driving assembly are all in sliding fit with the sliding rod; the telescopic assembly comprises a clamping piece, fixing pieces are arranged at two ends of the clamping piece, a guide bolt and an elastic piece are arranged between the fixing pieces and the first ring-shaped piece, the guide bolt penetrates through the first ring-shaped piece, and a push block is arranged on the clamping piece.

Preferably, the through holes are formed in the centers of the wafers, the two wafers are coaxially arranged, the annular structures formed by the connecting pieces are located on the outer sides of the annular structures formed by the sliding rods, thread grooves are formed in one sides, far away from the sliding rods, of the connecting pieces, and the second annular piece, the third annular piece and the fourth annular piece are in threaded connection with the connecting pieces through the thread grooves.

Preferably, the telescopic assembly is provided with nine, nine annular structures formed by the telescopic assembly are located on the inner side of the annular structures formed by the sliding rods, two ends of the elastic part are fixedly connected with the fixed plate and the first annular part respectively, the guide bolt is fixedly connected with the fixed plate and is in sliding connection with the first annular part, three push blocks are arranged on the clamping part and are arranged at equal intervals along the length direction of the clamping part, and the push blocks are of wedge-shaped structures.

Preferably, the first driving assemblies are provided in three numbers and are uniformly arranged around the second annular member, and each first driving assembly comprises a sliding seat which is connected with the sliding rod in a sliding manner.

Preferably, the number of the second driving assemblies is three, and the second driving assemblies are uniformly arranged around the third ring-shaped member, and the second driving assemblies comprise two sliding seats, the two sliding seats are fixedly connected, and the two sliding seats are both in sliding connection with the sliding rod.

Preferably, the third drive assembly comprises nine carriages, the nine carriages being uniformly arranged around the fourth ring, and the nine carriages are each slidably connected to a slide bar, and adjacent carriages are fixedly connected.

Preferably, the two sides of the sliding seat are respectively provided with a first push sheet and a second push sheet, the second push sheet is fixedly connected with an elastic sheet, and one side, away from the second push sheet, of the elastic sheet is provided with a bending part.

Preferably, one side of the clamping piece, which is far away from the pushing block, is provided with an anti-slip pad, two of the wafers are respectively provided with a groove, the driving piece is provided with two output ends, the two output ends are respectively provided with a grinding wheel, and the two grinding wheels are different in mesh number.

Preferably, the regulating part comprises a rotating mechanism and an extensible member, the extensible end of the extensible member is provided with a rotating seat, the rotating seat is provided with a sleeve, and the inner side of the sleeve is provided with a protrusion matched with the groove.

Preferably, slewing mechanism includes first mount pad and second mount pad, it is connected with the worm wheel to rotate on the first mount pad, it is connected with the worm to rotate on the second mount pad, worm wheel and mutual interlock of worm.

In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:

1. this application is through setting up fixture, fixture has set up the flexible subassembly of a plurality of annular distributions, flexible subassembly drives through different drive assembly, can the drilling rod of different thicknesses of centre gripping, different drive assembly matches with different loop forming elements respectively, through rotating the loop forming element, the holder that can drive flexible subassembly removes, compare with existing equipment, this device easy operation, compact structure, can match the drill bit of multiple specification, so can save time man-hour, help improving machining efficiency.

2. This application is through setting up the regulating part, and the regulating part has set up the extensible member, rotates the seat, sleeve and slewing mechanism, and the emery wheel sets up two simultaneously, and the mesh number of two emery wheels is different, can overturn the stable drill bit of centre gripping through slewing mechanism, and then carries out corase grind and correct grinding through two emery wheels respectively to extensible member and rotation seat can adjust telescopic angle, consequently make the emery wheel can with the cooperation of drill bit multi-angle, improve the flexibility of drill bit processing.

Drawings

FIG. 1 is a schematic diagram illustrating an overall structure of a sharpening device provided according to an embodiment of the invention;

FIG. 2 is a schematic view of an adjusting part provided according to an embodiment of the invention;

FIG. 3 is a schematic diagram illustrating an overall structure of a clamping mechanism provided according to an embodiment of the invention;

FIG. 4 is a schematic view of a connection structure of a wafer and a slide bar provided according to an embodiment of the present invention;

FIG. 5 is a partial schematic structural view of a clamping mechanism provided according to an embodiment of the invention;

FIG. 6 illustrates a schematic structural view of a second ring member, a third ring member, and a fourth ring member provided in accordance with an embodiment of the present invention;

FIG. 7 illustrates a schematic diagram of a carriage configuration provided in accordance with an embodiment of the present invention;

FIG. 8 is a schematic diagram illustrating a first state of the retraction assembly provided in accordance with an embodiment of the present invention;

FIG. 9 is a structural diagram illustrating a second state of the retraction assembly provided in accordance with an embodiment of the present invention;

fig. 10 is a schematic structural diagram illustrating a third state of the telescopic assembly according to the embodiment of the present invention.

Illustration of the drawings:

1. a base plate; 2. a drive member; 3. a grinding wheel; 4. a telescoping member; 5. a rotating seat; 6. a sleeve; 7. a first mounting seat; 8. a second mounting seat; 9. a worm gear; 10. a worm; 11. a wafer; 12. connecting sheets; 13. a slide bar; 14. a first annular member; 15. a clamping member; 16. a fixing sheet; 17. a guide pin; 18. an elastic member; 19. a push block; 20. a second annular member; 21. a third ring-shaped member; 22. a fourth annular member; 23. a slide base; 24. a first push sheet; 25. a second push sheet; 26. a spring plate; 27. a non-slip mat; 28. and (6) a groove.

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.

Referring to fig. 1-10, the present invention provides a technical solution:

a grinding device of a cutter drill bit for machining automobile parts comprises a bottom plate 1, wherein an adjusting part and a driving part 2 are arranged on the bottom plate 1, a clamping mechanism is arranged on the adjusting part, and an output end of the driving part 2 is provided with a grinding wheel 3; the clamping mechanism comprises two wafers 11, a connecting piece 12, a sliding rod 13, a second annular piece 20, a third annular piece 21, a fourth annular piece 22 and a telescopic assembly are arranged between the two wafers 11, through holes are formed in the two wafers 11, the connecting piece 12, the sliding rod 13 and the telescopic assembly are provided with a plurality of connecting pieces 12, the sliding rod 13 and the telescopic assembly are uniformly arranged around the wafers 11 in an annular mode, a first annular piece 14 is arranged on one side, close to each other, of each wafer 11, a first driving assembly is arranged on the inner side of the second annular piece 20, a second driving assembly is arranged on the inner side of the third annular piece 21, a third driving assembly is arranged on the inner side of the fourth annular piece 22, and the first driving assembly, the second driving assembly and the third driving assembly are in sliding fit with the sliding rod 13; the telescopic assembly comprises a clamping piece 15, fixing pieces 16 are arranged at two ends of the clamping piece 15, a guide bolt 17 and an elastic piece 18 are arranged between the fixing pieces 16 and the first annular piece 14, the guide bolt 17 penetrates through the first annular piece 14, and a push block 19 is arranged on the clamping piece 15.

Specifically, as shown in fig. 3, 4, 5, 6, 7, 8, 9 and 10, the through hole is formed in the center of the circular plate 11, the two circular plates 11 are coaxially arranged, the annular structure formed by the plurality of connecting pieces 12 is located outside the annular structure formed by the plurality of sliding rods 13, a threaded groove is formed in one side of the connecting piece 12 away from the sliding rods 13, and the second annular piece 20, the third annular piece 21 and the fourth annular piece 22 are all in threaded connection with the connecting piece 12 through the threaded groove. The flexible subassembly is provided with nine, the annular structure that nine flexible subassemblies formed is located the inboard of the annular structure that a plurality of slide bars 13 formed, the both ends of elastic component 18 respectively with stationary blade 16 and first loop forming element 14 fixed connection, spigot 17 and stationary blade 16 fixed connection, and spigot 17 and first loop forming element 14 sliding connection, ejector pad 19 on the holder 15 is provided with threely, three ejector pad 19 is along the equidistant setting of the length direction of holder 15, ejector pad 19 is the wedge structure. Three first driving assemblies are provided and are uniformly arranged around the second annular member 20, the first driving assemblies comprise a slide 23, and the slide 23 is slidably connected with the slide rod 13. The second drive assembly is provided with three and evenly sets up around third annular member 21, and the second drive assembly includes two slides 23, two slides 23 fixed connection to two slides 23 all with slide bar 13 sliding connection. The third drive assembly comprises nine slides 23, the nine slides 23 being arranged uniformly around the fourth ring 22, and the nine slides 23 being connected slidingly to the slide 13, adjacent slides 23 being fixedly connected. The two sides of the sliding seat 23 are respectively provided with a first push sheet 24 and a second push sheet 25, the second push sheet 25 is fixedly connected with a spring sheet 26, and one side of the spring sheet 26 away from the second push sheet 25 is provided with a bending part.

The connecting piece 12 is provided with a thread groove, the second annular piece 20, the third annular piece 21 and the fourth annular piece 22 can move along the length direction of the sliding rod 13 through rotation, the elastic piece 26 can be buckled on the second annular piece 20, the third annular piece 21 or the fourth annular piece 22 through a bending part respectively, the elastic piece 26 is in sliding contact with the second annular piece 20, the third annular piece 21 and the fourth annular piece 22, therefore, the elastic piece 26 can also move along the length direction of the sliding rod 13, the first push piece 24 can push the push block 19 to move, the push block 19 is enabled to move along the length direction of the guide bolt 17, and the clamping piece 15 is enabled to clamp the drill bit from the periphery of the drill bit.

As shown in fig. 8, rotation of the second annular member 20 causes movement of the three annularly disposed gripping members 15;

as shown in fig. 9, the third ring member 21 rotates to move six clamping members 15, and the six clamping members 15 are arranged in three groups of rings in a manner that every two clamping members are adjacent to each other;

as shown in fig. 10, rotation of the fourth ring 22 causes the nine clamps 15 to move in unison.

Specifically, as shown in fig. 1, 2, 3 and 8, a non-slip pad 27 is disposed on a side of the clamping member 15 away from the push block 19, and the non-slip pad 27 directly contacts with a surface of the drill bit, so that the drill bit is not easily moved when clamping the drill bit, and the stability of clamping the drill bit is improved. Grooves 28 are formed in the two wafers 11, the driving piece 2 is provided with two output ends, grinding wheels 3 are arranged on the two output ends, and the mesh number of the two grinding wheels 3 is different. The two grinding wheels 3 can perform rough grinding and finish grinding on the drill bit respectively. The adjusting part comprises a rotating mechanism and an extensible member 4, the extensible end of the extensible member 4 is provided with a rotating seat 5, a sleeve 6 is arranged on the rotating seat 5, and the inner side of the sleeve 6 is provided with a bulge matched with the groove 28. The protrusions are clamped in the grooves 28, and limit the clamping mechanism. The rotating mechanism comprises a first mounting seat 7 and a second mounting seat 8, a worm wheel 9 is connected to the first mounting seat 7 in a rotating mode, a worm 10 is connected to the second mounting seat 8 in a rotating mode, and the worm wheel 9 and the worm 10 are meshed with each other. Rotatory worm 10 can drive worm wheel 9 and rotate, and worm wheel 9 and extensible member 4 fixed connection, and then can drive extensible member 4 and rotate 180, and the drill bit upset that will the centre gripping is firm can make the drill bit contact two emery wheels 3 respectively.

In summary, in the sharpening device for the cutter drill bit for machining the automobile parts provided by the embodiment, when the drill bit is machined, the drill bit penetrates through the through hole, the second annular member 20, the third annular member 21 or the fourth annular member 22 is correspondingly rotated according to the thickness of the drill bit, the second annular member 20, the third annular member 21 or the fourth annular member 22 can rotate along the thread groove on the connecting sheet 12, the slide carriage 23 is further driven to move along the slide rod 13, the first push sheet 24 abuts against the push block 19 along with the first push sheet, the push block 19 can move along the length direction of the guide bolt 17, the plurality of clamping members 15 are drawn together from the periphery of the drill rod until the drill bit is completely clamped, and then the telescopic member 4 and the rotating seat 5 are adjusted, so that the drill bit can be sharpened by contacting with the rotating grinding wheel 3.

The previous description of the embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The grinding device for the cutter drill bit for machining the automobile parts comprises a bottom plate (1) and is characterized in that an adjusting part and a driving part (2) are arranged on the bottom plate (1), a clamping mechanism is arranged on the adjusting part, and a grinding wheel (3) is arranged at the output end of the driving part (2);

the clamping mechanism comprises two wafers (11), a connecting piece (12), a sliding rod (13), a second ring-shaped piece (20), a third ring-shaped piece (21), a fourth ring-shaped piece (22) and telescopic components are arranged between the two wafers (11), through holes are formed in the two wafers (11), the connecting piece (12), the sliding rod (13) and the telescopic components are arranged in a plurality of numbers, the connecting piece (12), the sliding rod (13) and the telescopic components are uniformly arranged around the wafers (11) in an annular mode, a first ring-shaped piece (14) is arranged on one side, close to each other, of each wafer (11), a first driving component is arranged on the inner side of the second ring-shaped piece (20), a second driving component is arranged on the inner side of the third ring-shaped piece (21), a third driving component is arranged on the inner side of the fourth ring-shaped piece (22), and the first driving component, the second driving component and the third driving component are in sliding fit with the sliding rod (13);

the telescopic assembly comprises a clamping piece (15), fixing pieces (16) are arranged at two ends of the clamping piece (15), a guide bolt (17) and an elastic piece (18) are arranged between the fixing pieces (16) and the first annular piece (14), the guide bolt (17) penetrates through the first annular piece (14), and a push block (19) is arranged on the clamping piece (15);

the through hole is formed in the center of each circular piece (11), the two circular pieces (11) are coaxially arranged, an annular structure formed by the connecting pieces (12) is located on the outer side of the annular structure formed by the sliding rods (13), a thread groove is formed in one side, away from the sliding rods (13), of each connecting piece (12), and the second ring piece (20), the third ring piece (21) and the fourth ring piece (22) are in threaded connection with the connecting pieces (12) through the thread grooves;

nine telescopic assemblies are arranged, an annular structure formed by the nine telescopic assemblies is located on the inner side of the annular structure formed by the plurality of sliding rods (13), two ends of each elastic piece (18) are fixedly connected with a fixed piece (16) and a first annular piece (14) respectively, a guide bolt (17) is fixedly connected with the fixed piece (16), the guide bolt (17) is in sliding connection with the first annular piece (14), three push blocks (19) are arranged on each clamping piece (15), the three push blocks (19) are arranged at equal intervals along the length direction of each clamping piece (15), and each push block (19) is of a wedge-shaped structure;

the number of the first driving assemblies is three, the first driving assemblies are uniformly arranged around the second ring-shaped member (20), each first driving assembly comprises a sliding seat (23), and the sliding seats (23) are connected with the sliding rods (13) in a sliding mode;

the number of the second driving assemblies is three, the second driving assemblies are uniformly arranged around a third annular member (21), each second driving assembly comprises two sliding seats (23), the two sliding seats (23) are fixedly connected, and the two sliding seats (23) are both in sliding connection with the sliding rod (13);

the third driving assembly comprises nine sliding seats (23), the nine sliding seats (23) are uniformly arranged around the fourth ring-shaped part (22), the nine sliding seats (23) are connected with the sliding rod (13) in a sliding mode, and the adjacent sliding seats (23) are fixedly connected;

the two sides of the sliding seat (23) are respectively provided with a first pushing sheet (24) and a second pushing sheet (25), the second pushing sheet (25) is fixedly connected with an elastic sheet (26), and one side, away from the second pushing sheet (25), of the elastic sheet (26) is provided with a bending part.

2. The grinding device for the cutter drill bit for processing the automobile parts according to claim 1, wherein a non-slip pad (27) is disposed on one side of the clamping member (15) away from the pushing block (19), grooves (28) are disposed on both of the two wafers (11), the driving member (2) is provided with two output ends, grinding wheels (3) are disposed on both of the two output ends, and the two grinding wheels (3) have different meshes.

3. The grinding device for the cutter drill bit for processing the automobile parts according to claim 2, characterized in that the adjusting part comprises a rotating mechanism and a telescopic piece (4), the telescopic end of the telescopic piece (4) is provided with a rotating seat (5), the rotating seat (5) is provided with a sleeve (6), and the inner side of the sleeve (6) is provided with a protrusion matched with the groove (28).

4. The grinding device for the cutter drill bit for processing the automobile parts according to claim 3, wherein the rotating mechanism comprises a first mounting seat (7) and a second mounting seat (8), a worm wheel (9) is rotatably connected to the first mounting seat (7), a worm (10) is rotatably connected to the second mounting seat (8), and the worm wheel (9) and the worm (10) are meshed with each other.