CN113732378A - Transposition handle of a knife that numerically controlled fraise machine used - Google Patents
Transposition handle of a knife that numerically controlled fraise machine used Download PDFInfo
- Publication number
- CN113732378A CN113732378A CN202111037036.3A CN202111037036A CN113732378A CN 113732378 A CN113732378 A CN 113732378A CN 202111037036 A CN202111037036 A CN 202111037036A CN 113732378 A CN113732378 A CN 113732378A
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- handle
- milling machine
- numerically controlled
- indexing
- tool shank
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- 230000017105 transposition Effects 0.000 title claims abstract description 25
- 238000003801 milling Methods 0.000 claims abstract description 33
- 230000005540 biological transmission Effects 0.000 claims abstract description 16
- 230000013011 mating Effects 0.000 claims 1
- 238000003754 machining Methods 0.000 abstract description 13
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C5/00—Milling-cutters
- B23C5/26—Securing milling cutters to the driving spindle
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Milling Processes (AREA)
Abstract
The invention provides a transposition cutter handle for a numerically controlled milling machine, which belongs to the technical field of accessories of the numerically controlled milling machine and comprises a main shaft fixing handle, a fixing base, a transposition gear box and a cutter handle, wherein the main shaft fixing handle is vertically inserted on the fixing base, the transposition gear box is arranged at the bottom of the fixing base in a sliding mode, the cutter handle is inserted in the side face of the transposition gear box, and the cutter handle is in transmission connection with the main shaft fixing handle. When the tool is used, firstly, the spindle fixing handle is in coaxial transmission connection with a machine tool spindle, the fixing base is fixed on the machining end face of the machine tool in a threaded mode, then the angle between the fixing base and the indexing gear box is adjusted, the tool shank and the workpiece are made to face each other, finally, the machine tool spindle is started, the tool shank is driven to rotate at a high speed through the spindle fixing handle, and therefore the workpiece is machined in the horizontal direction. The invention has the advantages of firm structure and convenient use, improves the machining precision and solves the problem of low machining efficiency caused by repeated clamping and alignment in part machining in the prior art.
Description
Technical Field
The embodiment of the invention relates to the technical field of accessories of numerical control milling machines, in particular to a transposition cutter handle used for a numerical control milling machine.
Background
Because the five-axis numerical control machining center is high in manufacturing cost and has higher requirements on the level of technicians, a large number of mechanical products machined by the three-axis numerical control milling machine are also stored in a large number of enterprises at present, particularly some small and medium-sized enterprises, due to the fact that conditions do not exist, backward capacity is eliminated timely, and on the three-axis numerical control milling machine, machining of all working procedures is difficult to complete by once clamping of some workpieces, machining of parts can be completed only by repeatedly clamping and aligning, and due to repeated clamping and aligning, the machining precision of the products is inevitably reduced, and a large amount of working hours are wasted, so that the machining efficiency is greatly influenced.
Disclosure of Invention
Therefore, the embodiment of the invention provides a transposition cutter handle for a numerically controlled milling machine, which aims to solve the problem of low machining efficiency caused by repeated clamping and alignment in part machining in the prior art.
In order to achieve the above object, the embodiments of the present invention provide the following technical solutions:
the invention provides a transposition cutter handle for a numerical control milling machine, which comprises a main shaft fixing handle, a fixing base, a transposition gear box and a cutter handle, wherein the main shaft fixing handle is vertically inserted on the fixing base, the bottom of the fixing base is provided with the transposition gear box in a sliding mode, the cutter handle is inserted in the side face of the transposition gear box, and the cutter handle is in transmission connection with the main shaft fixing handle.
Further, the main shaft fixing handle comprises a locking nut, a first bevel gear, a rotating handle and a blind rivet, the tool handle is in transmission connection with the first bevel gear, the first bevel gear is sleeved on the rotating handle, one end of the rotating handle is fixed with the locking nut in a threaded connection mode, the locking nut abuts against the first bevel gear, and the blind rivet is arranged at the other end of the rotating handle.
Further, the handle of a knife includes second bevel gear, pivot, chuck and end cover, first bevel gear is connected with second bevel gear meshing transmission, second bevel gear is fixed to be set up in pivot one end, the pivot other end is equipped with the chuck, the spiro union is fixed with the end cover on the chuck.
Further, the fixed base comprises a fixed disc, a central hole, scales, adjusting grooves and adjusting discs, the rotating handle is inserted into the central hole, the central hole is formed in the center of the fixed disc, the adjusting discs are fixedly arranged at the bottom of the fixed disc, the adjusting grooves are symmetrically arranged on the adjusting discs, and the scales are arranged on the side faces of the adjusting discs.
Furthermore, the transposition gear box comprises fastening bolts, an outer edge ring, a transposition opening and a gear box body, wherein the two fastening bolts are inserted into the two adjusting grooves and symmetrically arranged on the outer edge ring, the outer edge ring is arranged at the top of the gear box body, and the side surface of the gear box body is provided with the transposition opening.
Further, angular contact bearings are arranged in the indexing opening and the central hole.
Furthermore, the center of the chuck is provided with a taper hole matched with the clamp spring.
Furthermore, the outer wall of the outer edge ring is also fixedly provided with a fine adjustment device.
Further, the fine setting device includes arc worm wheel, mount pad, worm and knob, the side of outer edge ring is provided with the mount pad, the activity is provided with the worm on the mount pad, the worm is coaxial fixed with the knob, the worm is connected with arc worm wheel meshing transmission, the arc worm wheel is fixed to be set up on the outer wall of adjustment disk.
The embodiment of the invention has the following advantages:
the invention designs the indexable tool shank of the numerical control milling machine aiming at the problem that all procedures are difficult to complete by once clamping of the three-axis numerical control milling machine. The invention is suitable for an economic three-axis numerical control milling machine, and the indexable tool shank of the numerical control milling machine is used, so that the vertical milling machine can be used as a horizontal milling machine, the workpiece can be clamped once, the processing of a plurality of surfaces of the workpiece can be completed, the time for repeatedly clamping the workpiece can be saved, the precision is higher, the technical requirement on an operator is lower, and the problem of low mechanical processing efficiency caused by repeated clamping and alignment in the part processing in the prior art is solved.
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 should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.
FIG. 1 is a perspective view of a indexable tool shank for use with a numerically controlled milling machine according to the present invention;
FIG. 2 is a perspective view of a fine adjustment device of a transposition tool shank for a numerically controlled milling machine according to the present invention;
FIG. 3 is a perspective view of an indexing gearbox of an indexing tool shank for use in a numerically controlled milling machine according to the present invention;
FIG. 4 is a perspective view of a base for fixing a transposition tool shank for a numerically controlled milling machine according to the present invention;
FIG. 5 is a perspective view of a tool shank of a transposition tool shank for the numerically controlled milling machine according to the present invention;
FIG. 6 is a perspective view of a spindle fixing handle of an indexing tool shank for use in a numerically controlled milling machine according to the present invention;
in the figure: 1, a main shaft fixing handle; 11 locking the nut; 12 a first bevel gear; 13 turning a handle; 14, pulling nails; 2 fixing a base; 21 fixing the disc; 22 a central aperture; 23, graduation; 24 an adjustment groove; 25 adjusting the disc; 3 indexing the gear box; 31 fastening bolts; 32 outer edge rings; 33 a transposition port; 34 a gear housing; 4, knife handle; 41 a second bevel gear; 42 a rotating shaft; 43 a chuck; 44 end caps; 5, fine adjustment of the device; 51 arc worm wheel; 52 a mounting seat; a 53 worm; 54 knob.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. 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. 1-6, an embodiment of the present invention provides an indexing tool shank for a numerically controlled milling machine, including a spindle fixing shank 1, a fixing base 2, an indexing gear box 3, and a tool shank 4, where the spindle fixing shank 1 is connected to a spindle of the numerically controlled milling machine, the spindle fixing shank 1 is vertically inserted into the fixing base 2, and the fixing base 2 is fixed to an end face of the spindle of the machine tool by a bolt. The bottom of the fixed base 2 is provided with an indexing gear box 3 in a sliding mode, so that the direction of torque is changed. A tool handle 4 is inserted into the side face of the indexing gear box 3, the tool handle 4 is in transmission connection with the main shaft fixing handle 1, an angle of 90 degrees is formed between the tool handle 4 and the main shaft fixing handle 1 in position, and meanwhile the fixing base 2 and the indexing gear box 3 can rotate relatively, so that other processing faces of a workpiece can be processed under the condition that the tool is not detached.
According to a specific embodiment provided by the invention, the spindle fixing handle 1 comprises a locking nut 11, a first bevel gear 12, a rotating handle 13 and a pull nail 14, the handle 4 is in transmission connection with the first bevel gear 12, the first bevel gear 12 is sleeved on the rotating handle 13, the rotating handle 13 is driven by the spindle of the machine tool to rotate, one end of the rotating handle 13 is fixedly connected with the locking nut 11 in a threaded manner, the locking nut 11 abuts against the first bevel gear 12, so that the gear 12 and the spindle can rotate synchronously, the pull nail 14 is arranged at the other end of the rotating handle 13, a clamping groove is formed in the middle of the rotating handle 13 so as to be connected with a clamping block on the spindle of the milling machine to transmit torque, and a spline is arranged at the connection part of the handle 4 and the first bevel gear 12, so that the torque of the machine tool can be output to the first bevel gear 12.
According to a specific embodiment of the present invention, the tool holder 4 includes a second bevel gear 41, a rotating shaft 42, a collet 43 and an end cover 44, the first bevel gear 12 is in meshed transmission connection with the second bevel gear 41, the direction of torque can be changed from vertical to horizontal due to the meshing of the two bevel gears, and the second bevel gear 41 is fixedly disposed at one end of the rotating shaft 42, so that the processing procedure of the workpiece in the horizontal direction can be facilitated. The other end of the rotating shaft 42 is provided with a chuck 43, and an end cover 44 is screwed and fixed on the chuck 43. The middle of the chuck 43 is a taper hole, a clamp spring matched with a cutter is installed, threads are arranged on the cylindrical surface of the chuck 43, an end cover 44 is installed on the threads, a step is arranged in the right side hole of the end cover, the clamp spring in the taper hole is fixed, and therefore the clamp spring is abutted against the end cover 44, the cutter can be effectively fixed, and the problem that the cutter drops or shakes is solved.
According to a specific embodiment of the present invention, the fixed base 2 includes a fixed disk 21, a central hole 22, a scale 23, an adjusting groove 24 and an adjusting disk 25, the rotating handle 13 is inserted into the central hole 22, a stepped groove is provided in the central hole 22, an angular contact bearing is mounted on the stepped groove, an end cover of the angular contact bearing is mounted, the central hole 22 is provided at the center of the fixed disk 21, four through holes are provided on the fixed disk 21, and bolts are passed through the holes to connect with a machine tool. An adjusting disc 25 is fixedly arranged at the bottom of the fixed disc 21, two adjusting grooves 24 are symmetrically arranged on the adjusting disc 25, scales 23 are arranged on the side surface of the adjusting disc 25, fastening bolts 31 penetrate through the adjusting grooves 24, and when the fastening bolts 31 are screwed down, the indexing gear box 3 and the fixed base 2 are fixed relatively, so that the effect of the rotation angle of the gear 3 is determined.
According to a specific embodiment of the present invention, the indexing gearbox 3 comprises two fastening bolts 31, an outer rim ring 32, an indexing opening 33 and a gearbox body 34, wherein two fastening bolts 31 are inserted into two adjusting grooves 24, the two fastening bolts 31 are symmetrically arranged on the outer rim ring 32, so that the fastening bolts 31 are inserted on the outer rim ring 32, the outer rim ring 32 is arranged on the top of the gearbox body 34, and the indexing opening 33 is arranged on the side surface of the gearbox body 34. The transposition port 33 is used for installing the cutter handle 4, the main shaft fixing handle 1 is driven to rotate through the machine tool main shaft, then the cutter handle 4 is driven to rotate, the machining direction of the cutter is changed into the horizontal direction from the vertical direction, and under the condition that the tool is not detached, the machining face of the horizontal position can be machined by the device.
According to one embodiment of the present invention, angular contact bearings are disposed in the indexing opening 33 and the central bore 22. The angular contact bearing is adopted, so that the axial force and the radial force can be borne, the structural stability of the device in use can be improved, and the problem of machining error caused by stress deformation of key parts of the device is solved.
According to a specific embodiment of the present invention, the center of the collet 43 is provided with a taper hole matching with the clamp spring. The taper hole is used for installing a clamp spring matched with a cutter, the cylindrical surface of the chuck 43 is provided with threads, the end cover 44 is installed on the cylindrical surface, and a step is arranged in the right side hole of the end cover 44 and used for fixing the clamp spring in the taper hole.
According to one embodiment of the present invention, the outer wall of the outer rim 32 is further fixedly provided with a fine adjustment device 5. The fine adjustment device 5 comprises an arc worm wheel 51, a mounting seat 52, a worm 53 and a knob 54, the mounting seat 52 is arranged on the side face of the outer edge ring 32, the worm 53 is movably arranged on the mounting seat 52, the worm 53 is coaxially fixed with the knob 54, the worm 53 is in meshed transmission connection with the arc worm wheel 51, and the arc worm wheel 51 is fixedly arranged on the outer wall of the adjusting disc 25. When in specific use, the worm 53 is driven to rotate by rotating the knob 54, the worm 53 and the arc-shaped worm wheel 51 are meshed and driven to form a worm and gear mechanism, the device has good adjustability and self-locking performance, and meanwhile, the adjustment precision of the device can be obviously improved by matching with the identification scale 23,
the application process of the embodiment of the invention is as follows:
the invention provides a transposition cutter handle for a numerical control milling machine, which is used specifically, firstly, a workpiece is fixed in a machine tool moving platform through a tool, then, a fixed disk 21 is fixed on the end surface of a main shaft of the machine tool in a screwing mode so as to enable a rotary handle 13 to be in coaxial transmission connection with the main shaft of the machine tool, next, the angle between an outer edge ring 32 and an adjusting disk 25 is adjusted, meanwhile, a knob 54 is twisted to enable an arc worm wheel 51 to be in meshing transmission with a worm 53, and finally, the main shaft of the machine tool is started to drive the cutter handle to rotate.
Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (9)
1. The utility model provides a transposition handle of a knife that numerical control milling machine used, its characterized in that, includes main shaft fixed handle (1), fixed baseplate (2), transposition gear box (3) and handle of a knife (4), vertical the inserting of main shaft fixed handle (1) is established on fixed baseplate (2), the bottom of fixed baseplate (2) slides and is provided with transposition gear box (3), transposition gear box (3) side is inserted and is equipped with handle of a knife (4), handle of a knife (4) are connected with main shaft fixed handle (1) transmission.
2. An indexing tool shank for a numerically controlled milling machine according to claim 1, wherein the spindle fixing shank (1) comprises a locking nut (11), a first bevel gear (12), a rotating shank (13) and a pull nail (14), the tool shank (4) is in transmission connection with the first bevel gear (12), the first bevel gear (12) is sleeved on the rotating shank (13), one end of the rotating shank (13) is fixed with the locking nut (11) in a threaded manner, the locking nut (11) abuts against the first bevel gear (12), and the other end of the rotating shank (13) is provided with the pull nail (14).
3. An indexing tool shank for a numerically controlled milling machine according to claim 2, wherein the tool shank (4) comprises a second bevel gear (41), a rotating shaft (42), a chuck (43) and an end cover (44), the first bevel gear (12) is in meshing transmission connection with the second bevel gear (41), the second bevel gear (41) is fixedly arranged at one end of the rotating shaft (42), the chuck (43) is arranged at the other end of the rotating shaft (42), and the end cover (44) is fixedly screwed on the chuck (43).
4. An indexing tool shank for a numerically controlled milling machine according to claim 3, wherein the fixing base (2) comprises a fixed disc (21), a central hole (22), scales (23), adjusting grooves (24) and an adjusting disc (25), the rotating stem (13) is inserted into the central hole (22), the central hole (22) is formed in the center of the fixed disc (21), the adjusting disc (25) is fixedly arranged at the bottom of the fixed disc (21), the adjusting discs (25) are symmetrically provided with the two adjusting grooves (24), and the scales (23) are arranged on the side faces of the adjusting disc (25).
5. An indexing tool shank for a numerically controlled milling machine according to claim 4, wherein the indexing gearbox (3) comprises fastening bolts (31), an outer edge ring (32), an indexing port (33) and a gearbox body (34), two fastening bolts (31) are inserted into the two adjusting grooves (24), the two fastening bolts (31) are symmetrically arranged on the outer edge ring (32), the outer edge ring (32) is arranged at the top of the gearbox body (34), and the indexing port (33) is arranged on the side surface of the gearbox body (34).
6. An indexing tool shank for a numerically controlled milling machine according to claim 5, wherein angular contact bearings are arranged in the indexing opening (33) and the central hole (22).
7. An indexing tool shank for a numerically controlled milling machine according to claim 6, wherein the collet (43) is provided with a tapered hole at its center for mating with a circlip.
8. An indexing tool shank for a numerically controlled milling machine according to claim 7, wherein the outer wall of the outer rim ring (32) is also fixedly provided with a fine adjustment means (5).
9. An indexing tool shank for a numerical control milling machine according to claim 8, wherein the fine adjustment device (5) comprises an arc worm gear (51), a mounting seat (52), a worm (53) and a knob (54), the mounting seat (52) is arranged on the side surface of the outer edge ring (32), the worm (53) is movably arranged on the mounting seat (52), the worm (53) and the knob (54) are coaxially fixed, the worm (53) is in meshing transmission connection with the arc worm gear (51), and the arc worm gear (51) is fixedly arranged on the outer wall of the adjusting disc (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111037036.3A CN113732378A (en) | 2021-09-06 | 2021-09-06 | Transposition handle of a knife that numerically controlled fraise machine used |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111037036.3A CN113732378A (en) | 2021-09-06 | 2021-09-06 | Transposition handle of a knife that numerically controlled fraise machine used |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113732378A true CN113732378A (en) | 2021-12-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111037036.3A Pending CN113732378A (en) | 2021-09-06 | 2021-09-06 | Transposition handle of a knife that numerically controlled fraise machine used |
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| CN (1) | CN113732378A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114433922A (en) * | 2022-03-07 | 2022-05-06 | 中国北方车辆研究所 | Low-cost simple universal milling head device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1451392A (en) * | 1973-01-11 | 1976-09-29 | Kolb Kg Wako | Milling cutter attachment for a machine tool |
| CN102000868A (en) * | 2010-12-17 | 2011-04-06 | 德阳宏源机电工程有限责任公司 | Angular milling head |
| CN102139388A (en) * | 2011-04-08 | 2011-08-03 | 南京航空航天大学 | Helical hole-milling device and method based on numerical control machine |
| CN104551811A (en) * | 2014-12-29 | 2015-04-29 | 宁波海天精工股份有限公司 | Universal side milling head for milling square rams |
| CN206732218U (en) * | 2017-04-19 | 2017-12-12 | 湖南科技职业学院 | A kind of CNC milling machine attachment mechanism that internal keyway is processed using taper-shank cutter |
| CN107914173A (en) * | 2017-11-27 | 2018-04-17 | 河南理工大学 | Micro- drilling-milling apparatus is turned to for what exocoel in workpiece was processed |
-
2021
- 2021-09-06 CN CN202111037036.3A patent/CN113732378A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1451392A (en) * | 1973-01-11 | 1976-09-29 | Kolb Kg Wako | Milling cutter attachment for a machine tool |
| CN102000868A (en) * | 2010-12-17 | 2011-04-06 | 德阳宏源机电工程有限责任公司 | Angular milling head |
| CN102139388A (en) * | 2011-04-08 | 2011-08-03 | 南京航空航天大学 | Helical hole-milling device and method based on numerical control machine |
| CN104551811A (en) * | 2014-12-29 | 2015-04-29 | 宁波海天精工股份有限公司 | Universal side milling head for milling square rams |
| CN206732218U (en) * | 2017-04-19 | 2017-12-12 | 湖南科技职业学院 | A kind of CNC milling machine attachment mechanism that internal keyway is processed using taper-shank cutter |
| CN107914173A (en) * | 2017-11-27 | 2018-04-17 | 河南理工大学 | Micro- drilling-milling apparatus is turned to for what exocoel in workpiece was processed |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114433922A (en) * | 2022-03-07 | 2022-05-06 | 中国北方车辆研究所 | Low-cost simple universal milling head device |
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Application publication date: 20211203 |