CN111774631B - Numerical control vertical precision milling machine - Google Patents
Numerical control vertical precision milling machine Download PDFInfo
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- CN111774631B CN111774631B CN202010694845.0A CN202010694845A CN111774631B CN 111774631 B CN111774631 B CN 111774631B CN 202010694845 A CN202010694845 A CN 202010694845A CN 111774631 B CN111774631 B CN 111774631B
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- milling cutter
- strip
- numerical control
- milling
- vertical precision
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C5/00—Milling-cutters
- B23C5/02—Milling-cutters characterised by the shape of the cutter
- B23C5/10—Shank-type cutters, i.e. with an integral shaft
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Milling Processes (AREA)
Abstract
The invention relates to the technical field of machining equipment and discloses a numerical control vertical precision milling machine which comprises a transmission base, wherein a shaft sleeve is fixedly sleeved in the middle of the transmission base, a special-shaped groove is formed in the middle of the shaft sleeve, a fastening block is clamped in the special-shaped groove, a limiting nut is connected to the bottom end of the shaft sleeve in a threaded mode, and the position of the fastening block is clamped by screwing the limiting nut. This vertical precision milling machine of numerical control, the rotation axis drives the adjustment of the positive and negative two sides of electromagnetism strip, can with produce suction and repulsion between the permanent magnet, can play the function of fixed milling cutter stalk portion and whole milling cutter through suction, through the repulsion that produces between the two, and can control the repulsion size between the two through the electric current size of regulation and control electromagnetism strip electric control system, additionally provide impact force from top to bottom when rotating the cutting, compare with traditional mill adopt the one deck by the mode (refer to six) of milling the work piece from top to bottom, improve cut rate.
Description
Technical Field
The invention relates to the technical field of machining equipment, in particular to a numerical control vertical precision milling machine.
Background
The numerical control milling machine integrates a digital control system on a common milling machine, can accurately mill under the control of program codes, has various forms, has a plurality of similarities although the numerical control milling machines of different types have differences in composition, and consists of six main parts, namely a machine body part, a milling mechanism part, a workbench part, a transverse feeding part, a lifting platform part and a cooling and lubricating part.
In the prior art, the mode of milling layer by layer is adopted when the top end or the side edge of a workpiece is machined, the same groove needs to be milled for several times or even more than ten times to achieve an ideal effect, the machining efficiency is influenced, and meanwhile, the problem that the milling cutter is broken due to the fact that material extrusion is easily formed when the milling is conducted from top to bottom is solved.
Disclosure of Invention
The invention provides a numerical control vertical precision milling machine which has the advantages of high cutting efficiency, reasonable connection mode and difficult cutter breakage and solves the problems in the background technology.
The invention provides the following technical scheme: a numerical control vertical precision milling machine comprises a transmission base, wherein a shaft sleeve is fixedly sleeved in the middle of the transmission base, a special-shaped groove is formed in the middle of the shaft sleeve, a fastening block is clamped in the special-shaped groove, a limit nut is in threaded connection with the bottom end of the shaft sleeve, the position of the fastening block is clamped by screwing the limit nut, an annular clamping groove is formed in the middle of the inner portion of the fastening block, a milling cutter handle portion is movably connected with the annular clamping groove, the fastening block comprises a block body, eight strip-shaped grooves which are arranged at equal intervals are formed in the periphery of the block body, a rotating shaft is movably connected below the top of the block body, an electromagnetic strip positioned in the block body is fixedly connected with one end of the front face of the rotating shaft, the milling cutter handle portion comprises a cutter handle head, a permanent magnet is fixedly connected with the top end of the cutter handle head, a retention strip positioned below the permanent magnet is welded on the periphery of the top of the cutter handle head, the bottom fixedly connected with milling cutter neck of milling cutter stalk portion, the bottom outside is provided with milling cutter week sword in the milling cutter neck, the chip pocket has been seted up between the milling cutter week sword on the milling cutter neck, and is located being equipped with milling cutter end blade in the chip pocket of bottommost, the bottom of milling cutter end blade is equipped with the protruding milling cutter knife tip in the milling cutter neck.
Preferably, the rotating shaft can drive the electromagnetic strip to rotate in the block body, and the rotating range is zero degrees to one hundred and eighty degrees.
Preferably, the top end and the bottom end of the electric magnetic strip are opposite in magnetism, and the electric magnetic strip is electrically connected with an electric control system capable of controlling the current.
Preferably, the number of the retention strips is the same as that of the strip-shaped grooves, the retention strips are matched with the strip-shaped grooves in size, and the retention strips can slide up and down along the strip-shaped grooves.
Preferably, the permanent magnet and the two ends of the electromagnetic bar respectively generate attraction and repulsion, and the attraction and repulsion are weakened along with the increase of the current provided to the electromagnetic bar.
Preferably, the number of the milling cutter tips is four and the milling cutter tips are equidistantly distributed around the bottom end of the neck of the milling cutter.
The invention has the following beneficial effects:
1. this vertical precision milling machine of numerical control, the rotation axis drives the adjustment of the positive and negative two sides of electromagnetism strip, can with produce suction and repulsion between the permanent magnet, can play the function of fixed milling cutter stalk portion and whole milling cutter through suction, through the repulsion that produces between the two, and can control the repulsion size between the two through the electric current size of regulation and control electromagnetism strip electric control system, additionally provide impact force from top to bottom when rotating the cutting, compare with traditional mill adopt the one deck by the mode (refer to five) of milling the work piece from top to bottom, improve cut rate.
2. According to the numerical control vertical precision milling machine, the retention strips are arranged on the periphery of the top of the tool holder head, the retention strips are the same in number with the strip-shaped grooves in the block body and are adaptive in size, the lateral walls of the block body beside the strip-shaped grooves are abutted in the rotating process to keep the horizontal positions of the fastening block and the milling cutter handle to be stable, compared with the traditional clamping mode of the fastening block and the milling cutter handle, the numerical control vertical precision milling machine can be stressed in multiple points, and gaps exist between the retention strips and the strip-shaped grooves to form buffering, so that the probability of cutter breakage of the milling cutter is reduced; meanwhile, the retention strip can slide along the inside of the strip-shaped groove, the vertical movement of the tool shank head in the block body is not influenced, and the rationality of the equipment is improved.
3. This vertical precision milling machine of numerical control, through be provided with milling cutter end sword on the lateral wall at milling cutter week sword bottom, carry out the grooving to the work piece of milling cutter week sword bottom contact when the sword rotates the cutting all around at milling cutter and handle, can set up annular ditch at the cutting position, additionally be provided with from top to bottom impact force when avoiding adopting the cutting end face that this application set up, avoid these impact forces to extrude to the material and can cause the work piece bottom to warp and strengthen the torsion that the bottom cut leads to milling cutter disconnected sword after continuously accumulating, the stability of equipment has been improved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an external view of the fastening block of the present invention in connection with a shank of a milling cutter;
FIG. 3 is an internal view of the fastening block of the present invention in connection with a shank of a milling cutter;
FIG. 4 is an enlarged schematic view of an end edge of the milling cutter of the present invention;
FIG. 5 is a schematic diagram illustrating a comparison of the milling process of the workpiece face according to the present invention.
In the figure: 1. a transmission base; 2. a shaft sleeve; 3. a fastening block; 31. a block body; 32. a strip-shaped groove; 33. a rotating shaft; 34. an electric magnetic strip; 4. a limit nut; 5. a milling cutter shank; 51. a tool shank head; 52. a retention bar; 53. a permanent magnet; 6. a milling cutter neck; 7. milling the peripheral edge of the cutter; 8. a chip pocket; 9. end blades of milling cutters; 10. the tip of the milling cutter.
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. 1-5, a numerical control vertical precision milling machine comprises a transmission base 1, a shaft sleeve 2 is fixedly sleeved at the middle part of the transmission base 1, a special-shaped groove is formed in the middle part of the shaft sleeve 2, a fastening block 3 is clamped and connected with the special-shaped groove, a limit nut 4 is connected with the bottom end of the shaft sleeve 2 in a threaded manner and clamps the position of the fastening block 3 by screwing the limit nut 4, an annular clamping groove is formed in the middle part of the inside of the fastening block 3, a milling cutter handle part 5 is movably connected with the annular clamping groove, the fastening block 3 comprises a block body 31, eight strip-shaped grooves 32 are formed around the block body 31 and are arranged at equal intervals, a rotating shaft 33 is movably connected below the top part of the block body 31, an electromagnetic strip 34 positioned inside the block body 31 is fixedly connected with the front end of the rotating shaft 33, the handle part 5 comprises a cutter handle head 51, a permanent magnet 53 is fixedly connected with the top end of the cutter handle head 51, a retention strip 52 positioned below the permanent magnet 53 is welded at the periphery of the top part of the cutter handle head 51, the bottom fixedly connected with milling cutter neck 6 of milling cutter stalk portion 5, the bottom outside is provided with all swords 7 in the milling cutter neck 6, has seted up chip pocket 8 between all swords 7 on the milling cutter neck 6, and is located being equipped with milling cutter end sword 9 in the chip pocket 8 of bottommost, and the bottom of milling cutter end sword 9 is equipped with salient in the milling cutter knife tip 10 of milling cutter neck 6.
Further, the rotation shaft 33 can drive the electromagnetic bar 34 to rotate in the block 31 within a range of zero degrees to one hundred eighty degrees, and the rotation forms a suction force or a repulsion force for fixing and pushing the milling cutter respectively.
Further, the top end and the bottom end of the electromagnetic strip 34 are opposite in magnetism, the electromagnetic strip 34 is electrically connected with an electric control system capable of controlling the current, and the magnetism can be regulated and controlled through the electric control system.
Further, the number of the retention bars 52 is the same as that of the strip-shaped grooves 32, and the retention bars 52 are matched with the strip-shaped grooves 32 in size, so that the retention bars 52 can slide up and down along the strip-shaped grooves 32, and the retention bars 52 do not collide when moving up and down under the action of a repulsive force.
Furthermore, the permanent magnet 53 and the two ends of the electromagnetic bar 34 respectively generate attraction and repulsion, and the current provided to the electromagnetic bar 34 is increased and reduced, so that the permanent magnet 53 can form impact force on the workpiece in the milling process through the up-and-down movement of the magnetic size of the electromagnetic bar 34, and the milling speed is increased.
Furthermore, the number of the milling cutter points 10 is four, the milling cutter points are equidistantly distributed around the bottom end of the milling cutter neck 6, the milling cutter points 10 perform grooving treatment on a workpiece contacted with the bottom end of the milling cutter peripheral edge 7 while the milling cutter peripheral edge 7 rotates for cutting, an annular groove can be formed in a cutting part, and the problem of material extrusion is avoided.
The theory of operation, installation: aligning a tool shank head 51 to an annular clamping groove in the middle of the bottom end of the block body 31, aligning the retention strip 52 to a strip-shaped groove 32 in the block body 31, pushing the milling cutter shank 5 upwards to enable the milling cutter shank 5 to be clamped with the fastening block 3, starting an electric control system of the electric magnetic strip 34, generating suction between the electromagnetic strip 34 and the retention strip 52, and fixing the whole position of the milling cutter shank 5; processing: when the top end of a workpiece is milled from top to bottom, after the position of the workpiece to be processed is determined, the transmission base 1 moves to drive the whole milling cutter to move to the top end of a cutting position, the electric magnetic strip 34 is turned by one hundred eighty degrees by rotating the rotating shaft 33, mutual repulsion is formed between the electromagnetic strip 34 and the retention strip 52, the milling cutter handle part 5 drives the peripheral edge 7 of the milling cutter to move downwards while the bottom end of the peripheral edge 7 of the milling cutter supports against the workpiece, the peripheral edge 7 of the milling cutter is controlled by the numerical control panel to rotate to start rotating cutting, meanwhile, the electric control system of the electric magnetic strip 34 is adjusted to increase and weaken current so that the interval of repulsive force between the electric magnetic strip 34 and the retention strip 52 is increased and weakened, the retention strip 52 moves upwards and downwards along the strip-shaped groove 32, the peripheral edge 7 of the milling cutter is driven to move upwards and downwards during rotating cutting, an upper and lower impact force is additionally provided during rotating cutting, the cutting speed is increased, in addition, the peripheral edge 7 of the milling cutter drives the cutter to rotate the cutter tip 10 positioned in the middle of the bottom end edge 9 of the milling cutter to rotate, digging the surface of a workpiece which is hardened by vertical impact, and extruding scraps formed by digging and cutting along the chip grooves 8; during the side milling, an electric control system of the electromagnetic strip 34 is started, so that an attractive force is generated between the electromagnetic strip 34 and the retention strip 52, and the milling can be carried out in the conventional milling mode.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a vertical precision milling machine of numerical control, includes transmission base (1), axle sleeve (2) have been cup jointed to the middle part of transmission base (1) is fixed, the middle part of axle sleeve (2) has been seted up special-shaped groove and has fastening block (3) through special-shaped groove joint, the bottom threaded connection of axle sleeve (2) has stop nut (4) and carries out the chucking through screwing up stop nut (4) to the position of fastening block (3), the middle part of the inside of fastening block (3) has been seted up ring groove and has been had milling cutter stalk portion (5) through ring groove swing joint, fastening block (3) include block (31), eight bar grooves (32) that the equidistance was arranged are seted up around block (31), the below swing joint at block (31) top has axis of rotation (33), the positive one end fixedly connected with of axis of rotation (33) is located electric magnetic stripe (34) inside block (31), milling cutter stalk portion (5) include handle head (51), the top fixedly connected with permanent magnet (53) of handle head (51), the peripheral welding at handle head (51) top has maintenance strip (52) that are located permanent magnet (53) below, the bottom fixedly connected with milling cutter neck (6) of milling cutter stalk portion (5), the bottom outside is provided with all sword (7) of milling cutter in milling cutter neck (6), chip pocket (8), its characterized in that have been seted up between all sword (7) of milling cutter on milling cutter neck (6): and a milling cutter end blade (9) is arranged in the chip pocket (8) at the bottommost end, and a milling cutter point (10) protruding out of the milling cutter neck (6) is arranged at the bottom end of the milling cutter end blade (9).
2. The numerical control vertical precision milling machine according to claim 1, characterized in that: the rotating shaft (33) can drive the electromagnetic strip (34) to rotate in the block body (31) and the rotating range is zero degree to one hundred eighty degrees.
3. The numerical control vertical precision milling machine according to claim 1, characterized in that: the magnetism of the top end and the bottom end of the electric magnetic strip (34) is opposite, and the electric magnetic strip (34) is electrically connected with an electric control system capable of controlling the current.
4. The numerical control vertical precision milling machine according to claim 1, characterized in that: the number of the retention strips (52) is the same as that of the strip-shaped grooves (32), the retention strips (52) are matched with the strip-shaped grooves in size, and the retention strips (52) can slide up and down along the strip-shaped grooves (32).
5. The numerical control vertical precision milling machine according to claim 1, characterized in that: the two ends of the permanent magnet (53) and the two ends of the electric magnetic strip (34) respectively generate attraction and repulsion, and the current provided to the electric magnetic strip (34) is increased and reduced.
6. The numerical control vertical precision milling machine according to claim 1, characterized in that: the number of the milling cutter points (10) is four, and the milling cutter points are equidistantly distributed around the bottom end of the milling cutter neck (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010694845.0A CN111774631B (en) | 2020-07-18 | 2020-07-18 | Numerical control vertical precision milling machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010694845.0A CN111774631B (en) | 2020-07-18 | 2020-07-18 | Numerical control vertical precision milling machine |
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| Publication Number | Publication Date |
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| CN111774631A CN111774631A (en) | 2020-10-16 |
| CN111774631B true CN111774631B (en) | 2021-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010694845.0A Active CN111774631B (en) | 2020-07-18 | 2020-07-18 | Numerical control vertical precision milling machine |
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Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105583453B (en) * | 2014-10-24 | 2018-09-25 | 富鼎电子科技(嘉善)有限公司 | Handle of a knife |
| JP5839308B1 (en) * | 2015-01-05 | 2016-01-06 | 伊藤 幸男 | Chopping tool holder |
| CN105522211A (en) * | 2016-01-25 | 2016-04-27 | 北京航空航天大学 | Longitudinal excitation type ultrasonic vibration milling cutter handle device |
| CN205496661U (en) * | 2016-02-15 | 2016-08-24 | 江阴南工锻造有限公司 | Formula milling cutter cutter arbor is inhaled to electromagnetism |
| TWI671159B (en) * | 2017-09-15 | 2019-09-11 | 國立中興大學 | High frequency vibration spindle system |
| TWI669185B (en) * | 2018-08-28 | 2019-08-21 | 國立中興大學 | Non-contact electric energy transmission high-frequency vibration main shaft system and restraint manufacturing method |
| CN210334511U (en) * | 2019-08-28 | 2020-04-17 | 深圳市富吉真空技术有限公司 | Three-edge milling cutter |
| CN210996752U (en) * | 2019-10-08 | 2020-07-14 | 常州锐胜切削技术有限公司 | Combined tungsten steel milling cutter with special-shaped structure |
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2020
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Inventor after: Yang Qiaoling Inventor after: Chen Bojian Inventor before: Request for anonymity |
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Effective date of registration: 20210922 Address after: 518000 workshop 101, building 10, second industrial zone, Shanmen community, Yanluo street, Bao'an District, Shenzhen, Guangdong Province Applicant after: Shenzhen huachangda Hardware Plastic Co.,Ltd. Address before: 510030 no.9-10, Yongtai West, Xianlie Middle Road, Yuexiu District, Guangzhou City, Guangdong Province Applicant before: Chen Bojian |
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