CN112872843A - Method for realizing high-speed cutting on common lathe and multifunctional machine head - Google Patents

Method for realizing high-speed cutting on common lathe and multifunctional machine head Download PDF

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Publication number
CN112872843A
CN112872843A CN202110087041.9A CN202110087041A CN112872843A CN 112872843 A CN112872843 A CN 112872843A CN 202110087041 A CN202110087041 A CN 202110087041A CN 112872843 A CN112872843 A CN 112872843A
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China
Prior art keywords
base
grinding wheel
machine head
rotating shaft
sleeve
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Pending
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CN202110087041.9A
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Chinese (zh)
Inventor
葛卫
曹明保
徐纪华
朱学军
陈魏平
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Hubei Hangpeng Chemical Power Technology Co Ltd
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Hubei Hangpeng Chemical Power Technology Co Ltd
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Priority to CN202110087041.9A priority Critical patent/CN112872843A/en
Publication of CN112872843A publication Critical patent/CN112872843A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q37/00—Metal-working machines, or constructional combinations thereof, built-up from units designed so that at least some of the units can form parts of different machines or combinations; Units therefor in so far as the feature of interchangeability is important
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)

Abstract

The invention relates to a method for realizing high-speed cutting on a common lathe and a multifunctional machine head, wherein the multifunctional machine head comprises a base and an electric spindle which is axially and horizontally arranged on the base; the base is also provided with a fixed support which is used for connecting a square tool rest of a common lathe; the electric spindle comprises a shell, a rotating shaft and a driving mechanism; the shell is arranged on the base; the rotating shaft extends out of one end face of the shell and is rotatably connected with the shell, and the end face of the shell is also provided with at least two mounting holes; the driving mechanism is arranged in the shell and drives the rotating shaft to rotate; the cross section area of the rotating shaft is gradually reduced towards the end part, a threaded hole is formed in the end face of the rotating shaft, and the threaded hole and the rotating shaft are coaxial; the invention can realize the functions of high-speed milling, drilling, boring and grinding on a common lathe, ensure the processing precision, improve the processing efficiency and quality and save the equipment acquisition cost.

Description

Method for realizing high-speed cutting on common lathe and multifunctional machine head
Technical Field
The invention relates to the technical field of high-speed cutting, in particular to a method for realizing high-speed cutting on a common lathe and a multifunctional machine head.
Background
The development trend of mechanical processing is high efficiency, high precision, high flexibility and greening. High speed machining and high speed machining are an advanced manufacturing technology that has grown up rapidly in nearly twenty years. High-speed machining is widely applied in industrially developed countries at present, and becomes a key technology for machining integral structural parts, complex parts, product modification and the like in the aerospace industry, the automobile industry and the die manufacturing industry and a mainstream direction for the development of modern machining technology. However, the price of the commercialized high-speed machine tool is high, and for the enterprises with the existing common lathe, the cost for purchasing the high-speed machine tool is too high, and the idle waste of the common lathe is caused.
Disclosure of Invention
The invention provides a method for realizing high-speed cutting on a common lathe and a multifunctional machine head aiming at the technical problems in the prior art, and aims to solve the problems of low speed, low processing precision and poor product quality of the common lathe.
The technical scheme for solving the technical problems is as follows: a method for realizing high-speed cutting on a common lathe comprises the following steps:
(a) an electric main shaft is arranged on the multifunctional machine head, and the output end of the electric main shaft is used as the output end of the multifunctional machine head; the upper limit of the speed of the motorized spindle is the maximum speed which can be borne by the common lathe;
(b) mounting the multifunctional machine head on a square tool rest of the common lathe;
(c) different cutters are assembled at the output end of the electric spindle, and high-speed milling, drilling, boring and grinding functions are realized on a common lathe.
The invention has the beneficial effects that: the invention can realize the functions of high-speed milling, drilling, boring and grinding on a common lathe, ensure the processing precision, improve the processing efficiency and quality and save the equipment acquisition cost.
The invention also provides a multifunctional machine head for realizing high-speed cutting on a common lathe, which comprises a base and an electric spindle axially and horizontally arranged on the base; the base is also provided with a fixed support which is used for connecting a square tool rest of the common lathe;
the electric spindle comprises a shell, a rotating shaft and a driving mechanism, wherein the shell is arranged on the base; the rotating shaft extends out of one end face of the shell and is rotatably connected with the shell, and the end face of the shell is also provided with at least two mounting holes; the driving mechanism is arranged in the shell and drives the rotating shaft to rotate; the cross section area of the rotating shaft is gradually reduced towards the end part, a threaded hole is formed in the end face of the rotating shaft, and the threaded hole and the rotating shaft are coaxial.
Further, the base comprises a first base and a second base, the fixed support is installed on the first base, and the electric spindle is installed on the second base; a vertically extending sliding block is arranged on the first base, a sliding groove matched with the sliding block is formed in the second base, and the sliding block is in sliding fit with the sliding groove;
the second base is provided with a screw support, an axial vertical transmission screw is rotatably arranged in the screw support, and the transmission screw is in threaded connection with the first base.
The beneficial effect of adopting the further scheme is that: the transmission screw rod can be driven to rotate by hand or various power devices, so that the center height of the electric spindle can be adjusted.
Furthermore, the cross sections of the sliding block and the sliding groove are both in a dovetail shape.
The beneficial effect of adopting the further scheme is that: make the slider joint in the spout, increase first base and second base sliding connection's stability.
Further, a handle is fixed to one end of the drive screw coaxially.
Further, the power of the electric spindle is 4-6 kW.
The beneficial effect of adopting the further scheme is that: the upper limit of the speed of the electric spindle is prevented from exceeding the maximum speed which can be borne by the common lathe.
The invention also provides a high-speed grinding machine head, which comprises the multifunctional machine head, a grinding wheel sleeve, a grinding wheel and a grinding wheel outer baffle; the grinding wheel sleeve is sleeved on the rotating shaft of the electric spindle; one end of the grinding wheel sleeve close to the shell is integrally provided with a grinding wheel inner baffle; the grinding wheel outer baffle and the grinding wheel are sleeved on the grinding wheel sleeve, and the grinding wheel is positioned between the grinding wheel outer baffle and the grinding wheel inner baffle; a first nut is fixed in the threaded hole and abuts against the outer baffle of the grinding wheel.
The invention also provides a high-speed inner hole grinding machine head, which comprises the multifunctional machine head and a transmission long shaft, wherein one end of the transmission long shaft is coaxially fixed in the threaded hole, and the other end of the transmission long shaft is provided with a nut end cover; the transmission long shaft is sleeved with a sleeve, and one end of the sleeve is fixed on the mounting hole through a bolt.
An inner baffle is integrally arranged at one end, close to the transmission long shaft, of the nut end cover; an outer baffle and a second nut are fixed at the other end of the nut end cover, and the second nut tightly presses the outer baffle on the nut end cover; the nut end cover is sleeved with an inner hole grinding wheel seat, and the inner baffle and the outer baffle clamp the inner hole grinding wheel seat.
The beneficial effect of adopting the further scheme is that: the straight blind hole and the conical blind hole can be ground at high speed, and the processing capacity of the common lathe is expanded.
The invention also provides a high-speed milling head, which comprises the multifunctional machine head and a transmission long shaft, wherein one end of the transmission long shaft is coaxially fixed in the threaded hole; a sleeve is sleeved outside the transmission long shaft, and one end of the sleeve is fixed on the mounting hole through a bolt;
the other end of the sleeve is provided with a box seat, a milling cutter shaft is arranged in the box seat in a rotating mode, a milling cutter is coaxially arranged on the milling cutter shaft, and the milling cutter extends out of the box body; the rotating shaft drives the milling cutter shaft to rotate through a transmission mechanism.
The beneficial effect of adopting the further scheme is that: the axial key groove of the inner taper hole can be milled, and the processing capacity of the common lathe is expanded.
Further, the transmission mechanism comprises a pinion and a large bevel gear; the small gear is fixedly arranged in the threaded hole, the large bevel gear is fixedly sleeved on the milling cutter shaft, and the small gear is meshed with the large bevel gear; the box seat is rotatably sleeved on the sleeve, and a positioning pin perpendicular to the axial direction of the sleeve penetrates through the box seat and abuts against the sleeve.
The beneficial effect of adopting the further scheme is that: the milling position of the milling cutter can be adjusted by rotating the box base and fixing the box base through the positioning pin.
Drawings
FIG. 1 is a front view of a schematic structural diagram of a multi-function handpiece in accordance with an embodiment of the present invention;
FIG. 2 is a left side view of a schematic structural diagram of a multi-function handpiece in accordance with an embodiment of the present invention;
FIG. 3 is a top cross-sectional view of a schematic structural view of a multi-function handpiece in accordance with an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a high-speed grinder head according to a second embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a high-speed inner bore grinding machine head according to a third embodiment of the present invention;
fig. 6 is a schematic structural diagram of a high-speed milling head according to a fourth embodiment of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a square tool rest, 2, a base, 21, a first base, 22, a sliding block, 23, a second base, 24, a sliding groove, 25, a fixed support, 26, a transmission screw, 27, a screw support, 28, a handle, 3, an electric spindle, 31, a shell, 32, a rotating shaft, 33, a threaded hole, 34, a mounting hole, 41, a grinding wheel sleeve, 42, a grinding wheel inner baffle, 43, a grinding wheel, 44, a grinding wheel outer baffle, 45, a first nut, 51, a transmission long shaft, 52, a sleeve, 53, a locking nut, 54, a first bearing, 55, an inner retainer ring, 56, an outer retainer ring, 57, a fixed nut, 58, an abutting groove, 59, a big nut, 61, a nut end cover, 62, an inner baffle, 63, an inner grinding wheel seat, 64, an outer baffle, 65, a second nut, 71, a box seat, 72, a pinion, 73, a second bearing, 74, a milling cutter shaft, 75, a milling cutter, 76, a third bearing, 77, a threaded pull rod, 78. big bevel gear 79, locating pin.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
Example one
A multifunctional machine head, as shown in figures 1-3, comprises a base 2 and an electric spindle 3. The base 2 comprises a first base 21 and a second base 23, the electric spindle 3 being mounted on the second base 23. One side of the first base 21 close to the second base 23 is provided with a sliding block 22, one side of the second base 23 close to the first base 21 is provided with a sliding groove 24, the sliding block 22 is slidably arranged in the sliding groove 24, and the sliding groove 24 vertically extends to enable the sliding block 22 to vertically slide in the sliding groove 24. The cross sections of the sliding groove 24 and the sliding block 22 are both in a dovetail shape, so that the sliding block 22 is clamped in the sliding groove 24, and the sliding block 22 is prevented from being separated from the opening of the sliding groove 24. The side of the first base 21, which is far away from the second base 23, is further provided with a fixing support 25, the fixing support 25 is fixed on the square tool rest 1 of the common lathe through a bolt, the first base 21 is fixedly connected with the common lathe, and slides in the sliding groove 24 through the sliding block 22 so as to move the second base 23 up and down, thereby adjusting the center height of the electric spindle 3.
The base 2 further includes a drive screw 26, and a screw support 27 is fixed to a side of a top of the second base 23 adjacent to the first base 21, the drive screw 26 is rotatably inserted into the screw support 27 by a thrust bearing, and a bottom end of the drive screw 26 is vertically inserted into the first base 21 and is screw-coupled with the first base 21. In this embodiment, a handle 28 is concentrically disposed on the top of the drive screw 26 to facilitate manual rotation of the drive screw 26, and the height of the second base 23 can be adjusted by manually rotating the drive screw 26. Instead of manually rotating the drive screw 26 by using the handle 28, the drive screw 26 may be automatically controlled to rotate by using a power device such as a motor or a rotary cylinder, which is not limited herein.
The maximum speed which can be borne by a common machine tool is selected as the maximum speed of the electric spindle 3, so that the electric spindle 3 with the power of 4-6 kW is selected. The electric spindle 3 includes a housing 31 and a rotating shaft 32, the housing 31 is mounted on the second base 23, and a driving mechanism (not shown in the figure) for controlling the rotation of the rotating shaft 32 is mounted in the housing 31. The rotating shaft 32 horizontally extends from one end surface of the housing 31, six mounting holes 34 are formed in the end surface of the housing 31, and the six mounting holes 34 are arranged circumferentially and equidistantly around the rotating shaft 32. The cross-sectional area of the rotating shaft 32 is gradually reduced towards the end part, and the end part of the rotating shaft 32 is provided with a threaded hole 33, and the threaded hole 33 and the rotating shaft 32 are coaxial.
The using method of the embodiment comprises the following steps:
(a) an electric spindle 3 is arranged on the base 2, and the output end of the electric spindle 3 is used as the output end of the multifunctional handpiece; the upper limit of the speed of the motorized spindle 3 is the maximum speed that the common lathe can bear.
(b) The base 2 is installed on a square tool rest 1 of a common lathe, and the center height of the electric spindle 3 is adjusted by rotating a transmission screw 26.
(c) Different cutters are assembled at the output end of the electric spindle 3, and high-speed milling, drilling, boring and grinding functions are realized on a common lathe.
The price of the commercialized high-speed machine tool is high, and the cost for purchasing the high-speed machine tool is too high for the enterprises with the conventional common lathe, so that the common lathe is idle and wasted. The invention can realize the functions of high-speed milling, drilling, boring and grinding on a common lathe, ensure the processing precision, improve the processing efficiency and quality and save the equipment acquisition cost.
Example two
A high-speed grinding machine head is shown in fig. 4, and comprises the multifunctional machine head of the first embodiment and a grinding cutter. The grinding tool comprises a grinding wheel sleeve 41, a grinding wheel 43, a grinding wheel outer baffle 44 and a first nut 45. The grinding wheel sleeve 41 is sleeved on the rotating shaft 32 of the electric spindle 3, and the slope of the inner wall of the grinding wheel sleeve 41 is matched with the slope of the side wall of the rotating shaft 32, so that the insertion distance of the grinding wheel sleeve 41 on the rotating shaft 32 is limited. The grinding wheel 43 and the grinding wheel outer baffle 44 are sleeved on the grinding wheel sleeve 41, the grinding wheel inner baffle 32 is integrally arranged at one end of the grinding wheel sleeve 41 close to the shell 31 of the electric spindle 3, and the grinding wheel outer baffle 44 is located at one side of the grinding wheel 43 far away from the grinding wheel inner baffle 42. The first nut 45 is fixed in the threaded hole 33 at the end of the rotating shaft 32 through threads, and the first nut 45 abuts against the grinding wheel outer baffle 44, so that the grinding wheel 43 is clamped by the grinding wheel inner baffle 42 and the grinding wheel outer baffle 44.
In this embodiment, the grinding tool is mounted on the electric spindle 3, and the electric spindle 3 can drive the grinding wheel 43 to rotate, so as to grind the surface of the part at high speed.
EXAMPLE III
A high speed bore grinding machine head, as shown in figure 5, includes the multifunctional machine head of the first embodiment, and also includes a long rod sleeve device and a bore grinding tool.
The shaft sleeve assembly includes a drive shaft 51 and a sleeve 52. One end of the transmission long shaft 51 is fixed in the threaded hole 33 at the end of the rotating shaft 32 through threads. The sleeve 52 is sleeved outside the transmission long shaft 51, one end of the sleeve 52 is fixed on the mounting hole 34 at the end of the shell 31 through a bolt, and the outer wall of the other end of the sleeve is provided with a butting groove 58. The rotating shaft 32 can drive the transmission long rod 51 to rotate, and the long rod sleeve device plays a role in prolonging the rotating shaft 32.
The transmission long shaft 51 is further sleeved with a locking nut 53 and an inner retainer ring 55, two ends of the inner retainer ring 55 are respectively and tightly provided with a first bearing 54, and the transmission long shaft 51 is rotatably connected with the sleeve 52 through the two first bearings 54, so that the rotating stability of the transmission long shaft 51 is ensured. The lock nut 53 abuts against the first bearing 54 of the inner retainer 55 near the end of the rotating shaft 32, and limits the position of the inner retainer 55 and one end of the two first bearings 54. An outer retainer ring 56 and a fixing nut 57 are further sleeved on the transmission long shaft 51, the outer retainer ring 56 abuts against the first bearing 54 at one end, far away from the rotating shaft 32, of the inner retainer ring 55, and the fixing nut 57 abuts against the outer retainer ring 56 to limit the other ends of the inner retainer ring 55 and the two first bearings 54.
The bore grinding tool includes a nut end cap 61, a bore grinder head 63, an outer stop 64, and a second nut 65. One end of the nut end cover 61 is fixed at one end of the transmission long shaft 51 far away from the rotating shaft 32, and an inner baffle 62 is integrally arranged at one end of the nut end cover 61 close to the transmission long shaft 51. The other end of the nut end cover 61 is provided with an outer baffle plate 64, and the second bolt 65 is fixedly connected with the nut end cover 61 to press the outer baffle plate 64 on the nut end cover 61. The bore grinding wheel seat 63 is sleeved on the nut end cover 61, and the outer baffle plate 64 and the inner baffle plate 62 clamp the bore grinding wheel seat 63.
In the embodiment, the inner hole grinding tool is arranged on the electric main shaft 3, and the electric main shaft 3 can drive the inner hole grinding tool to rotate through the long rod sleeve device, so that the straight blind hole and the conical blind hole are subjected to high-speed grinding, and the processing capacity of a common lathe is expanded.
Example four
A high-speed milling head is shown in figure 6 and comprises the multifunctional machine head of the first embodiment, an elongated rod sleeve device and a milling cutter. The structure of the long rod sleeve device of the embodiment is the same as that of the long rod sleeve device of the third embodiment.
The milling cutter comprises a box seat 71, one end of the box seat 71 is rotatably sleeved on the sleeve 52 through a bearing, a large nut 59 is sleeved outside the bearing, and the large nut 59 is used for fixing the bearing and limiting the end of the box seat 71. The end of the box base 71 is further provided with a positioning pin 79 that fits the abutting groove 58, and the positioning pin 79 passes through the box base 71, so that when the positioning pin 79 is tightened against the abutting groove 58, the rotation of the box base 71 can be stopped. By rotating the box base 71 and then tightening the positioning pin 79, the milling angle of the milling tool can be adjusted.
A pinion gear 72 is fixed on one end of the long transmission shaft 51 far away from the rotating shaft 32, and the pinion gear 72 is rotatably connected with the inner wall of the box base 71 through a second bearing 73. A milling cutter shaft 74 is further arranged in the box base 71, and both ends of the milling cutter shaft 74 are rotatably connected with the inner wall of the box base 71 through third bearings 76. The milling cutter shaft 74 is perpendicular to the long transmission rod 51, the milling cutter 75 is inserted from one end of the milling cutter shaft 74, the other end of the milling cutter shaft 74 is inserted into the threaded pull rod 77, the threaded pull rod 77 and the milling cutter 75 are coaxial and in threaded connection, and the milling cutter 75 is fixed on the milling cutter shaft 74. The milling cutter shaft 76 is fixedly sleeved with a large bevel gear 78, and the large bevel gear 78 is meshed with the pinion gear 72.
In the embodiment, the milling cutter is mounted on the electric spindle 3, and the electric spindle 3 can drive the milling cutter 75 to rotate through the transmission of the long rod sleeve device, the pinion 72 and the large bevel gear 78, so that the inner taper hole axial key groove is milled, and the processing capacity of the common lathe is expanded. In addition, the milling angle of the milling cutter 75 can be adjusted by rotating the box base 71 and fixing the box base 71 by the positioning pin 79. And by providing the pinion gear 72 and the large bevel gear 78, the pinion gear 72 and the large bevel gear 78 are engaged regardless of the rotation of the case base 71, so that the rotation angle of the case base 71 can be freely adjusted.
The price of the commercialized high-speed machine tool is high, and the cost for purchasing the high-speed machine tool is too high for the enterprises with the conventional common lathe, so that the common lathe is idle and wasted. The invention can realize high-speed processing on a common lathe, ensure the processing precision, improve the processing efficiency and quality and save the equipment acquisition cost. And various functions such as high-speed milling, drilling, boring, grinding and the like can be realized by replacing different cutters.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (10)

1. A method for realizing high-speed cutting on a common lathe is characterized by comprising the following steps:
(a) an electric main shaft is arranged on the multifunctional machine head, and the output end of the electric main shaft is used as the output end of the multifunctional machine head; the upper limit of the speed of the motorized spindle is the maximum speed which can be borne by the common lathe;
(b) mounting the multifunctional machine head on a square tool rest of the common lathe;
(c) different cutters are assembled at the output end of the electric spindle, and high-speed milling, drilling, boring and grinding functions are realized on a common lathe.
2. A multifunctional machine head for realizing high-speed cutting on a common lathe is characterized by comprising a base and an electric spindle which is axially and horizontally arranged on the base; the base is also provided with a fixed support which is used for connecting a square tool rest of the common lathe;
the electric spindle comprises a shell, a rotating shaft and a driving mechanism; the shell is mounted on the base; the rotating shaft extends out of one end face of the shell and is rotatably connected with the shell, and the end face of the shell is also provided with at least two mounting holes; the driving mechanism is arranged in the shell and drives the rotating shaft to rotate; the cross section area of the rotating shaft is gradually reduced towards the end part, a threaded hole is formed in the end face of the rotating shaft, and the threaded hole and the rotating shaft are coaxial.
3. The multifunctional machine head for realizing high-speed cutting on a common lathe according to claim 2, wherein the base comprises a first base and a second base, the fixed support is mounted on the first base, and the electric spindle is mounted on the second base; a vertically extending sliding block is arranged on the first base, a sliding groove matched with the sliding block is formed in the second base, and the sliding block is in sliding fit with the sliding groove;
the second base is provided with a screw support, an axial vertical transmission screw is rotatably arranged in the screw support, and the transmission screw is in threaded connection with the first base.
4. The multifunctional machine head for realizing high-speed cutting on a common lathe according to claim 3, wherein the cross sections of the sliding block and the sliding groove are both dovetail-shaped.
5. A multifunction head for effecting high-speed cutting on a lathe according to claim 3, wherein a handle is fixed coaxially with one end of said drive screw.
6. The multifunctional machine head for realizing high-speed cutting on a common lathe according to claim 2, wherein the power of the electric spindle is 4-6 kW.
7. A high-speed grinding machine head comprises the multifunctional machine head as claimed in any one of claims 2 to 6, and is characterized by further comprising a grinding wheel sleeve, a grinding wheel and a grinding wheel outer baffle; the grinding wheel sleeve is sleeved on the rotating shaft of the electric spindle; one end of the grinding wheel sleeve close to the shell is integrally provided with a grinding wheel inner baffle; the grinding wheel outer baffle and the grinding wheel are sleeved on the grinding wheel sleeve, and the grinding wheel is positioned between the grinding wheel outer baffle and the grinding wheel inner baffle; a first nut is fixed in the threaded hole and abuts against the outer baffle of the grinding wheel.
8. A high-speed inner hole grinding machine head comprises the multifunctional machine head as claimed in any one of claims 2 to 6, and is characterized by further comprising a transmission long shaft, wherein one end of the transmission long shaft is coaxially fixed in the threaded hole, and the other end of the transmission long shaft is provided with a nut end cover; the transmission long shaft is sleeved with a sleeve, and one end of the sleeve is fixed on the mounting hole through a bolt.
An inner baffle is integrally arranged at one end, close to the transmission long shaft, of the nut end cover; an outer baffle and a second nut are fixed at the other end of the nut end cover, and the second nut tightly presses the outer baffle on the nut end cover; the nut end cover is sleeved with an inner hole grinding wheel seat, and the inner baffle and the outer baffle clamp the inner hole grinding wheel seat.
9. A high-speed milling head comprises the multifunctional machine head as claimed in any one of claims 2 to 6, and is characterized by further comprising a transmission long shaft, wherein one end of the transmission long shaft is coaxially fixed in the threaded hole, and a nut end cover is arranged at the other end of the transmission long shaft; a sleeve is sleeved outside the transmission long shaft, and one end of the sleeve is fixed on the mounting hole through a bolt;
the other end of the sleeve is provided with a box seat, a milling cutter shaft is arranged in the box seat in a rotating mode, a milling cutter is coaxially arranged on the milling cutter shaft, and the milling cutter extends out of the box body; the rotating shaft drives the milling cutter shaft to rotate through a transmission mechanism.
10. The high-speed milling head according to claim 9, wherein the gear train includes a pinion gear and a large bevel gear; the small gear is fixedly arranged in the threaded hole, the large bevel gear is fixedly sleeved on the milling cutter shaft, and the small gear is meshed with the large bevel gear; the box seat is rotatably sleeved on the sleeve, and a positioning pin perpendicular to the axial direction of the sleeve penetrates through the box seat and abuts against the sleeve.
CN202110087041.9A 2021-01-22 2021-01-22 Method for realizing high-speed cutting on common lathe and multifunctional machine head Pending CN112872843A (en)

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CN202110087041.9A CN112872843A (en) 2021-01-22 2021-01-22 Method for realizing high-speed cutting on common lathe and multifunctional machine head

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