CN212886563U - Numerical control grinding machine for sharpening milling cutter - Google Patents
Numerical control grinding machine for sharpening milling cutter Download PDFInfo
- Publication number
- CN212886563U CN212886563U CN202021785032.4U CN202021785032U CN212886563U CN 212886563 U CN212886563 U CN 212886563U CN 202021785032 U CN202021785032 U CN 202021785032U CN 212886563 U CN212886563 U CN 212886563U
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- Prior art keywords
- milling cutter
- fixed
- motor
- driving
- rack
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- 238000003801 milling Methods 0.000 title claims abstract description 72
- 238000000227 grinding Methods 0.000 title claims abstract description 29
- 238000005520 cutting process Methods 0.000 claims abstract description 29
- 238000007688 edging Methods 0.000 claims abstract description 10
- 238000005498 polishing Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 229910001651 emery Inorganic materials 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 125000004122 cyclic group Chemical group 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- Milling Processes (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The application relates to a numerically controlled grinder for sharpening a milling cutter, which comprises a bracket and a mounting plate connected with the upper end of the bracket, a driving motor is fixed on the lower surface of the mounting plate, an output shaft of the driving motor penetrates through the mounting plate, a driving wheel is fixed on the upper surface of the mounting plate, a driving rod is rotatably connected at the eccentric position of the upper surface of the driving wheel, one end of the driving rod is rotatably connected on the driving wheel, the other end of the driving rod is rotatably connected with a guide rod group which moves linearly, a step motor is fixed on the guide rod group, a connecting device for connecting a rack milling cutter is fixed on an output shaft of the step motor, a fixed box is vertically fixed on the upper surface of the mounting plate, a polishing motor is connected on the fixed box, and a grinding wheel which is perpendicular to the rotating shaft of the rack milling cutter and is used for grinding the auxiliary cutting edge is fixed on the output shaft of the grinding motor, and the stepping motor, the driving motor and the grinding motor are all connected with the same numerical control box. This application has the effect of edging for the vice cutting edge of rack.
Description
Technical Field
The application relates to the field of machining, in particular to a numerically controlled grinder for sharpening a milling cutter.
Background
At present, there is a wide range of applications in factories where milling cutters are rotating tools with one or more cutter teeth for milling. When in work, each cutter tooth cuts off the allowance of the workpiece in sequence and intermittently. The milling cutter is mainly used for processing planes, steps, grooves, formed surfaces, cut-off workpieces and the like on a milling machine.
Referring to fig. 1, a rack milling cutter 31 similar to a gear shape and an annular positioning seat 32 of the rack milling cutter 31 are used in the process of machining a rack, a plurality of tool bits 33 surrounding the positioning seat 32 are integrally formed on the outer wall of the positioning seat 32, the thickness of the tool bits 33 gradually decreases from one side of the positioning seat 32 to the side away from the positioning seat 32, one end of the tool bits 33 away from the positioning seat 32 is an inclined surface 34, the inclined surface 34 is inclined from one end of the tool bits 33 to the other end towards the center of the positioning seat 32, the vertex of the inclined surface 34 is a main cutting edge 35, the side wall of the tool where the main cutting edge 35 is located is a secondary cutting surface, two edges connecting the main cutting edge 35 and the positioning seat 32 on the secondary cutting surface are secondary cutting edges 36, and the rack is cut by the main cutting edge 35 and the secondary cutting edges 36 in the process of, and producing the required rack.
In view of the above-mentioned related art, the inventor needs to perform edging treatment on the secondary cutting edge during the production of the rack milling cutter, the secondary cutting edge is dulled after use, and the secondary cutting edge also needs to be periodically edged.
SUMMERY OF THE UTILITY MODEL
In order to open a sword for vice cutting, this application provides a milling cutter open a sword's numerically control grinder.
The application provides a numerical control grinder of milling cutter edging adopts following technical scheme:
a numerically controlled grinder for sharpening a milling cutter comprises supports and a horizontally arranged mounting plate connected with the supports, wherein a driving motor is fixed on the lower surface of the mounting plate, an output shaft of the driving motor penetrates through the upper surface of the mounting plate, a horizontally arranged driving wheel is fixed at the upper end of the upper surface of the driving wheel, a horizontal driving rod is rotatably connected to the eccentric position of the upper surface of the driving wheel through a rotating shaft, one end of the driving rod is rotatably connected to the driving wheel, the other end of the driving rod is rotatably connected to a guide rod group in linear motion, a stepping motor is fixed on the guide rod group, a connecting device for connecting a rack milling cutter is fixed on the output shaft of the stepping motor, a fixing box is vertically fixed on the upper surface of the mounting plate, a grinding motor is connected to the fixing box, and a grinding wheel which is perpendicular to the rotating shaft, the stepping motor, the driving motor and the polishing motor are all connected with the same numerical control box.
By adopting the technical scheme, the rack milling cutter is fixed on the connecting device, the step motor is driven to rotate, the auxiliary cutting edge to be edged is aligned with the grinding wheel, the grinding motor is started to drive the grinding wheel to rotate, the driving motor is started to drive the driving disc to rotate, so that the rack milling cutter is driven to reciprocate on the upper surface of the mounting plate, in the reciprocating motion process, the auxiliary cutting edge is edged by the grinding wheel, after the reciprocating motion is carried out once, the step motor rotates once, the next auxiliary cutting edge to be edged is aligned with the grinding wheel, and the operation is circulated.
Preferably, connecting device is including fixing the mount pad on step motor output shaft, step motor's terminal surface is kept away from to the mount pad is fixed with and is the horizontally erection column, offer the ladder groove that is used for making rack milling cutter joint to the erection column on the erection column, cup jointed on the erection column and made rack milling cutter support the connecting cylinder in the ladder groove tightly, erection column tip threaded connection has spacing bolt, cup jointed on the spacing bolt and made connecting cylinder butt in rack milling cutter's end cover.
Through adopting above-mentioned technical scheme, install rack milling cutter on the erection column, make rack milling cutter butt on the ladder groove to sheathe connecting cylinder and end cover in, rotate spacing bolt, make the connecting cylinder support tightly in rack milling cutter lateral wall, realize the fixed of rack milling cutter on the erection column.
Preferably, an anti-slip pad is fixed on the end face of the connecting cylinder abutted against the rack milling cutter, a limit groove is formed in the end face of the connecting cylinder abutted against the end cover, and a limit block inserted into the limit groove is fixed on the end cover.
Through adopting above-mentioned technical scheme, the slipmat increases the coefficient of friction between rack milling cutter and the connecting cylinder, and spacing block joint is to spacing inslot, prevents that the connecting cylinder from rotating for the end cover.
Preferably, a clamping block is fixed on the stepped groove, and a clamping groove used for clamping the clamping block is formed in the inner wall of the gear milling cutter.
Through adopting above-mentioned technical scheme, the joint piece joint is in the joint inslot, prevents to appear rotating and cause danger because of rack milling cutter at the in-process of processing.
Preferably, the ladder groove is a plurality of groups, the outer wall of the ladder groove is fixed with a clamping block used for clamping the clamping groove.
Through adopting above-mentioned technical scheme, the setting in order to satisfy the size in the inside different apertures of cyclic annular rack milling cutter of a plurality of ladder grooves.
Preferably, the mounting panel upper surface is seted up and is on a parallel with the groove that slides of step motor pivot, the step motor lower fixed surface has the joint that slides and is in slide the sliding block in the groove.
By adopting the technical scheme, the sliding block is clamped in the sliding groove, so that the stepping motor and the mounting column fixed on the stepping motor linearly move on the upper surface of the mounting plate.
Preferably, the guide rod group package rotates the guide cylinder of connecting at the actuating lever tip, and one end is worn to establish in the guide cylinder and the other end is fixed the guide rod of driving motor lateral wall, be provided with the adjusting part that is used for adjusting guide rod group length in the guide cylinder.
Through adopting above-mentioned technical scheme, act on the adjusting part and make the guide bar move in the guide cylinder to make rack milling cutter can be smooth send the emery wheel to go on edging.
Preferably, the adjusting component is provided with a plurality of limiting holes in the guide rod along the length direction of the guide rod, and the adjusting component is a limiting position bolt which is in threaded connection with the guide cylinder and can be inserted into the limiting holes.
Through adopting above-mentioned technical scheme, rotate positioning bolt and make positioning bolt's tip insert spacing downthehole, prevent that the guide bar from moving for the guide cylinder.
In summary, the present application includes at least one of the following beneficial technical effects:
1. installing a rack milling cutter on an installation column, driving and aligning a secondary cutting edge to be edged with a grinding wheel, starting a driving motor to drive the installation column to move on the upper surface of the installation column, edging the secondary cutting edge by a grinding motor, and starting a stepping motor to drive the rack milling cutter to rotate so as to enable the grinding wheel to edging the adjacent secondary cutting edge;
2. the guide rod can stretch out and draw back in the guide cylinder to make the guide rod fix in the guide cylinder through positioning bolt, so that the position of rack milling cutter for the emery wheel of adjusting, make the emery wheel can be smooth carry out the edging to the secondary cutting edge.
Drawings
Fig. 1 is a schematic structural view of a rack milling cutter.
Fig. 2 is a schematic overall structure diagram of an embodiment of the present application.
FIG. 3 is a schematic view of the overall structure of the numerical control box removed according to the embodiment of the present application.
Fig. 4 is an exploded view of the installation process of the rack milling cutter according to the embodiment of the present application.
Description of reference numerals: 1. a support; 2. mounting a plate; 3. a drive motor; 4. a drive wheel; 5. a guide bar group; 6. a stepping motor; 7. a fixed box; 8. polishing the motor; 9. a grinding wheel; 10. a numerical control box; 11. a mounting seat; 12. mounting a column; 13. a stepped groove; 14. a connecting cylinder; 15. an end cap; 16. a threaded hole; 17. a limit bolt; 18. a non-slip mat; 19. a limiting groove; 20. a limiting block; 21. a clamping groove; 22. a clamping block; 23. a sliding groove; 24. a sliding block; 25. a guide cylinder; 26. a guide bar; 27. a limiting hole; 28. positioning the bolt; 29. a drive rod; 30. positioning blocks; 31. a rack milling cutter; 32. positioning seats; 33. a cutter head; 34. a bevel; 35. a main cutting edge; 36. and a secondary cutting edge.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses a numerical control grinding machine for sharpening a milling cutter. Referring to fig. 1 and 2, a numerically controlled grinder for sharpening a milling cutter comprises a support 1 and a mounting plate 2 fixed at the upper end of the support 1 and connected with a plurality of supports 1, the mounting plate 2 is horizontally arranged, a driving motor 3 is fixed on the lower surface of the mounting plate 2, an output shaft of the driving motor 3 penetrates through the upper surface and the lower surface of the mounting plate 2, a driving wheel 4 horizontally arranged is fixed on the output shaft of the driving motor 3 on the upper surface of the mounting plate 2, a driving rod 29 is rotatably connected on the upper surface of the driving wheel 4 at a position deviating from the center of circle through a rotating shaft, one end of the driving rod 29 is connected to the driving wheel 4, the other end of the driving rod 29 is connected with a guide rod group 5, one end of the guide rod group 5 far away from the driving rod 29 is connected with a stepping motor 6 which linearly moves, a connecting device for connecting a rack milling cutter is fixed, an output shaft of the polishing motor 8 is fixedly provided with a grinding wheel 9 with an axis vertical to the axis of the stepping motor 6, the grinding wheel 9 is positioned between the stepping motor 6 and the rack milling cutter and is used for edging the auxiliary cutting edge of the rack milling cutter, and the driving motor 3, the stepping motor 6 and the polishing motor 8 are connected with a same numerical control box 10 for controlling the driving motor 3, the stepping motor 6 and the polishing motor 8 to work.
Referring to fig. 3 and 4, the connecting device includes a mounting base 11 fixed on the output shaft of the stepping motor 6, a horizontal mounting post 12 is fixed on the end surface of the mounting base 11 far from the stepping motor 6, a plurality of stepped grooves 13 which are coaxial and used for clamping the rack milling cutter to the mounting post 12 are formed on the mounting post 12, clamping blocks 22 are fixed on the plurality of stepped grooves 13, the plurality of stepped grooves 13 are arranged to meet the requirement of rack milling cutters with openings of different sizes, clamping grooves 21 used for clamping the clamping blocks 22 are formed on the inner wall of the rack milling cutter to prevent the gear milling cutter from rotating in the machining process, a connecting cylinder 14 which enables the rack milling cutter to be abutted against the corresponding stepped groove 13 is sleeved on the mounting post 12, an anti-skid pad 18 is fixed on the end surface of the connecting cylinder 14 abutted against the rack milling cutter, a threaded hole 16 is horizontally formed on the end surface of the mounting post 12 far from the stepping, the threaded hole 16 is in threaded connection with a limiting bolt 17, an end cover 15 tightly abutting against the end face, far away from the stepping motor 6, of the connecting cylinder 14 is sleeved on the limiting bolt 17, a plurality of limiting grooves 19 are formed in the end face, abutted against the connecting cylinder 14 and the end cover 15, of the connecting cylinder 14, and limiting blocks 20 clamped in the limiting grooves 19 are fixed on the end cover 15.
Referring to fig. 2 and 3, a sliding groove 23 parallel to the rotating shaft of the stepping motor 6 is formed in the upper surface of the mounting plate 2, and a sliding block 24 slidably engaged in the sliding groove 23 is fixed on the lower surface of the stepping motor 6, so that the stepping motor 6 linearly moves on the upper surface of the mounting plate 2.
Referring to fig. 2 and 3, the guide rod group 5 includes a guide cylinder 25 connected to an end of a drive rod 29 and having a hollow interior, two positioning blocks 30 parallel to each other are fixed to one end of the guide cylinder 25, the end of the drive rod 29 is located between the two positioning blocks 30 and is rotatably connected to the two positioning blocks 30 through a rotating shaft, a guide rod 26 penetrates through the guide cylinder 25, one end of the guide rod 26 is located in the guide cylinder 25, the other end of the guide rod is fixed to a side wall of the stepping motor 6, an adjusting member for adjusting the length of the guide rod group 5 is arranged in the guide cylinder 25, a plurality of limiting holes 27 are formed in an outer wall of the guide rod 26 along the length direction, and the adjusting member is a positioning bolt 28 which is connected to the guide cylinder 25 through a side wall of the guide cylinder.
The implementation principle of the numerically controlled grinder for sharpening the milling cutter in the embodiment of the application is as follows: fixing a rack milling cutter to be edged on a mounting column 12, aligning an auxiliary cutting edge to be edged with a grinding wheel 9, rotating a limiting bolt 17, fixing the rack milling cutter on the mounting column 12 under the action of a connecting cylinder 14, starting a grinding motor 8, driving the grinding wheel 9 to rotate, driving the driving motor 3 to drive the rack milling cutter to move backwards on the upper surface of a mounting plate 2, once reciprocating the rack milling cutter, edging the auxiliary cutting edge by the grinding wheel 9, starting a stepping motor 6, driving the rack milling cutter to rotate, aligning adjacent auxiliary cutting edges with the grinding wheel 9, and performing cyclic operation until all the auxiliary cutting edges are edged.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a milling cutter edging's numerically control grinder which characterized in that: the rack milling cutter mounting device comprises supports (1) and a mounting plate (2) which is connected with the supports (1) and horizontally arranged, wherein a driving motor (3) is fixed on the lower surface of the mounting plate (2), an output shaft of the driving motor (3) penetrates through the mounting plate (2) and a driving wheel (4) which is horizontally arranged is fixed at the upper end of the mounting plate, an eccentric position of the upper surface of the driving wheel (4) is rotatably connected with a driving rod (29) which is horizontally arranged through a rotating shaft, one end of the driving rod (29) is rotatably connected onto the driving wheel (4), the other end of the driving rod is rotatably connected with a guide rod group (5) which linearly moves, a stepping motor (6) is fixed on the guide rod group (5), a connecting device which is used for connecting a rack milling cutter is fixed on an output shaft of the stepping motor (6), a fixing box (7) is vertically fixed on the upper surface, and an output shaft of the grinding motor (8) is fixedly provided with a grinding wheel (9) which is perpendicular to the rack milling cutter rotating shaft and is used for grinding the auxiliary cutting edge, and the stepping motor (6), the driving motor (3) and the grinding motor (8) are all connected with the same numerical control box (10).
2. The numerically controlled grinder for milling cutter sharpening according to claim 1, wherein: connecting device is including fixing mount pad (11) in step motor (6) output shaft, the terminal surface that step motor (6) were kept away from in mount pad (11) is fixed with and is horizontally erection column (12), offer ladder groove (13) that are used for making rack milling cutter joint to erection column (12) on erection column (12), cup joint on erection column (12) and make rack milling cutter support tightly in connecting cylinder (14) of ladder groove (13), erection column (12) tip threaded connection has spacing bolt (17), cup joint on spacing bolt (17) and make connecting cylinder (14) butt in rack milling cutter's end cover (15).
3. The numerically controlled grinder for milling cutter sharpening as recited in claim 2, wherein: the anti-slip device is characterized in that an anti-slip pad (18) is fixed on the end face, abutted against the rack milling cutter, of the connecting cylinder (14), a limiting groove (19) is formed in the end face, abutted against the end cover (15), of the connecting cylinder (14), and a limiting block (20) inserted into the limiting groove (19) is fixed on the end cover (15).
4. The numerically controlled grinder for milling cutter sharpening according to claim 3, wherein: the gear milling cutter is characterized in that a clamping block (22) is fixed on the stepped groove (13), and a clamping groove (21) used for clamping the clamping block (22) is formed in the inner wall of the gear milling cutter.
5. The numerically controlled grinder for milling cutter sharpening according to claim 4, wherein: the ladder groove (13) is a plurality of groups, the outer wall of the ladder groove (13) is fixed with a clamping block (22) used for clamping to the clamping groove (21).
6. The numerically controlled grinder for milling cutter sharpening according to claim 1, wherein: mounting panel (2) upper surface seted up be on a parallel with the groove (23) that slides of step motor (6) pivot, step motor (6) lower fixed surface has the joint that slides and is in sliding block (24) in groove (23).
7. The numerically controlled grinder for milling cutter sharpening according to claim 1, wherein: the guide rod group (5) comprises a guide cylinder (25) which is rotatably connected onto the driving rod (29), a guide rod (26) is arranged in the guide cylinder (25), and the guide rod (26) is provided with an adjusting piece which is used for adjusting the guide rod (26) to slide in the guide cylinder (25).
8. The numerically controlled grinder for milling cutter sharpening as recited in claim 7, wherein: the outer wall of the guide rod (26) is provided with a plurality of limiting holes (27) along the length direction, and the adjusting piece is a limiting position bolt (28) which is in threaded connection with the guide cylinder (25) and can be inserted into the limiting holes (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021785032.4U CN212886563U (en) | 2020-08-22 | 2020-08-22 | Numerical control grinding machine for sharpening milling cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021785032.4U CN212886563U (en) | 2020-08-22 | 2020-08-22 | Numerical control grinding machine for sharpening milling cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212886563U true CN212886563U (en) | 2021-04-06 |
Family
ID=75246942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021785032.4U Expired - Fee Related CN212886563U (en) | 2020-08-22 | 2020-08-22 | Numerical control grinding machine for sharpening milling cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212886563U (en) |
-
2020
- 2020-08-22 CN CN202021785032.4U patent/CN212886563U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210406 |
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| CF01 | Termination of patent right due to non-payment of annual fee |