CN109175412B - Digital display radial drilling machine spindle box adopting electromagnetic clutch for speed change - Google Patents

Digital display radial drilling machine spindle box adopting electromagnetic clutch for speed change Download PDF

Info

Publication number
CN109175412B
CN109175412B CN201811233277.3A CN201811233277A CN109175412B CN 109175412 B CN109175412 B CN 109175412B CN 201811233277 A CN201811233277 A CN 201811233277A CN 109175412 B CN109175412 B CN 109175412B
Authority
CN
China
Prior art keywords
bearing
gear
shaft
main shaft
flat key
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201811233277.3A
Other languages
Chinese (zh)
Other versions
CN109175412A (en
Inventor
张景龙
李宝成
韩贝贝
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenyang Jinghong Cnc Equipment Co ltd
Original Assignee
Shenyang Jinghong Cnc Equipment Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenyang Jinghong Cnc Equipment Co ltd filed Critical Shenyang Jinghong Cnc Equipment Co ltd
Priority to CN201811233277.3A priority Critical patent/CN109175412B/en
Publication of CN109175412A publication Critical patent/CN109175412A/en
Application granted granted Critical
Publication of CN109175412B publication Critical patent/CN109175412B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, 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
    • B23Q1/00Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/70Stationary or movable members for carrying working-spindles for attachment of tools or work
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B39/00General-purpose boring or drilling machines or devices; Sets of boring and/or drilling machines
    • B23B39/12Radial drilling machines
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, 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
    • B23Q5/00Driving or feeding mechanisms; Control arrangements therefor
    • B23Q5/02Driving main working members
    • B23Q5/04Driving main working members rotary shafts, e.g. working-spindles
    • B23Q5/12Mechanical drives with means for varying the speed ratio
    • B23Q5/14Mechanical drives with means for varying the speed ratio step-by-step
    • B23Q5/147Mechanical drives with means for varying the speed ratio step-by-step electrically-operated
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, 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
    • B23Q2705/00Driving working spindles or feeding members carrying tools or work
    • B23Q2705/02Driving working spindles
    • B23Q2705/06Mechanical drives with means for varying the speed ratio

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structure Of Transmissions (AREA)

Abstract

A digital display radial drilling machine spindle box adopting electromagnetic clutch speed change is characterized in that an eighth bearing and a first spring clamping ring are arranged on a fourth gear, a seventh bearing, a third gear, a second flat key and a second electromagnetic clutch are arranged in the middle of a first shaft, a sixth bearing is arranged in the second electromagnetic clutch, the first flat key and the first electromagnetic clutch are arranged in the middle of a second shaft, an eleventh bearing is arranged in the first electromagnetic clutch, a twelfth bearing, a sixth flat key and an eighth gear are arranged on the upper portion of a spline housing, a twenty-first bearing is arranged on the lower portion of a spindle, a first bearing is arranged in the middle of the spindle, an eleventh gear, an eighteenth bearing and a worm gear are arranged on a horizontal shaft, the eleventh bearing is meshed with racks on the spindle housing, and a seventeenth bearing, a nineteenth bearing and a twentieth bearing are arranged on a worm. The invention improves cutting function and operation performance, simplifies structure, shortens auxiliary time, improves processing efficiency, has simpler operation and reduces manufacturing cost, and is applied to the mechanical processing industry.

Description

Digital display radial drilling machine spindle box adopting electromagnetic clutch for speed change
Technical Field
The invention relates to a digital display radial drilling machine spindle box adopting electromagnetic clutch speed change in the machining industry.
Background
Currently, radial drilling machines are a type of machine tool used for hole machining for single or mass production of large parts with multiple holes in the machining industry. The spindle box can move on the rocker arm and rotate along with the rocker arm around the upright post. The rocker arm moves up and down along the upright post so as to adapt to processing workpieces with different heights. The smaller workpiece is mounted on the workbench, and the larger workpiece is directly placed on the machine tool base or the ground. Radial drilling machines are widely used in single piece and medium and small batch production for machining holes in workpieces with large volumes and weights. The main variants of the radial drilling machine are two types of sliding seat type and universal type. The sliding base type radial drilling machine is formed by changing a base of the base type radial drilling machine into a sliding base, and the sliding base moves along a guide rail of a machine body so as to enlarge the machining range, and is suitable for industries such as boilers, bridges, rolling stock, shipbuilding and the like. The rocker arm of the universal radial drilling machine moves horizontally except for vertical and rotary movement, and the spindle box is obliquely adjusted on the rocker arm so as to adapt to the machining of all parts of a workpiece. In addition, car, wall and digital control radial drilling machines and the like are also available. The radial drilling machine is a hole processing device used for processing various forms such as drilling, reaming, tapping, countersinking and the like. According to the purposes and the structure, the drilling machines are classified into a vertical drilling machine, a bench drilling machine, a multi-hole drilling machine, a radial drilling machine, other special drilling machines and the like. In various drilling machines, the radial drilling machine is convenient and flexible to operate, wide in application range, typical, particularly suitable for hole machining of single parts or large-scale parts with multiple holes in batch production, and is a common machine tool in a general machining workshop.
In addition, patent number (200910011352.6) discloses a variable frequency radial drilling machine, and the spindle box of the variable frequency radial drilling machine is characterized in that a stepless speed regulating motor is added on a main transmission system and a stepless speed regulating motor is added on a feeding transmission system on the basis of the prior art, so that main transmission and feeding transmission are changed into stepless speed regulation. The variable frequency radial drilling machine can only realize separate feeding, but can not realize rotary feeding, namely the rotation of the main shaft is not related to the feeding.
In addition, patent number (2015110820147. X) discloses a spindle speed change system and a spindle feeding speed change system of a digital display radial drilling machine, wherein the spindle speed change of the digital display radial drilling machine can only realize stepwise stepless speed regulation, namely high-speed stepless speed regulation and low-speed stepless speed regulation. If the gear is shifted from a high gear to a low gear or from a low gear to a high gear, the vehicle must be stopped for shifting. The gear shifting needs to be pushed by a hydraulic cylinderA kind of electronic deviceThe sliding gears change speed, the speed change time is long, and the speed change mechanism is complex.
Obviously, the prior art has the advantages of complex structure, inconvenient operation, low working efficiency, high cost, high failure rate and short service life. Therefore, the development of a digital display radial drilling machine spindle box adopting electromagnetic clutch speed change is a new problem to be solved urgently.
Disclosure of Invention
The invention aims to provide a digital display radial drilling machine spindle box adopting electromagnetic clutch speed change, which is characterized in that the main speed change and the feeding speed change are stepless speed regulation, so that the optimal cutting speed can be selected during processing, the processing quality is good, and the processing speed is improved; the main speed change and the feeding speed change can be carried out without stopping the speed change, thereby shortening the auxiliary time during processing and improving the production efficiency; the machine can realize rotary feeding system, and overcomes the trouble of on-site calculation and the phenomenon of calculation error of operators during separate feeding and system; the knob is adopted for operation and digital display during speed change, so that the speed change is more convenient and accurate; the main shaft box has a simple structure, reduces the cost and reduces the failure rate; because the friction plate type electromagnetic clutch is adopted to switch the high gear and the low gear of the main speed change, the speed change without stopping is realized in the full speed change range, and the processing efficiency is further improved; because the idler gear and the friction plate type electromagnetic clutch are adopted to switch high and low gears, the structure of shifting the sliding gear hydraulic oil cylinder is omitted, the materials and the processing time are saved, and the future maintenance time is also saved; the weight of the machine tool is reduced, and the transportation is more convenient.
The purpose of the invention is realized in the following way: a digital display radial drilling machine main shaft box adopting electromagnetic clutch speed change, comprising a main shaft, a guide sleeve, a main shaft sleeve, a first bearing, a second bearing, a third bearing, a fourth bearing, a first flat key, a first electromagnetic clutch, a first gear, a fifth bearing, a second gear, a main shaft box, a second flat key, a sixth bearing, a second electromagnetic clutch, a seventh bearing, a third gear, a fourth gear, a bearing plate, a fifth gear, a main shaft box cover, a third flat key, a main motor, an eighth bearing, a fourth flat key, a first shaft, a ninth bearing, a sixth gear, a fifth flat key, a second shaft, a tenth bearing, a seventh gear, an eleventh bearing, a sixth flat key, a twelfth bearing, an eighth gear, a thirteenth bearing, a feed motor, a seventh flat key, a fourteenth bearing, a second spring, a ninth gear, a tenth gear, a eighth flat key, a third shaft, a sixteenth bearing, a sixteenth sleeve, a first coupling, a fourth shaft, a second coupling, a seventeenth bearing, a seventeenth gear, a worm gear, a eighteenth bearing, a first bearing, a nineteenth bearing, a twenty-first bearing, the first shaft assembly consists of a first gear, a second bearing and a first spring retainer ring, wherein the second bearing and the first spring retainer ring are arranged on the first gear; the second shaft assembly consists of a first shaft, a second gear, a second electromagnetic clutch, a third gear, a fifth gear, a second flat key, a fourth flat key, a fifth bearing, a sixth bearing, a seventh bearing and a ninth bearing, wherein the ninth bearing, the fourth flat key and the fifth gear are arranged at the upper part of the first shaft, the seventh bearing, the third gear, the second flat key and the second electromagnetic clutch are arranged at the middle part of the first shaft, the sixth bearing is arranged in the second electromagnetic clutch, and the second gear and the fifth bearing are arranged at the lower part of the first shaft; the third shaft assembly consists of a second shaft, a first gear, a first electromagnetic clutch, a sixth gear, a seventh gear, a first flat key, a fifth flat key, a third bearing, a fourth bearing, a tenth bearing and an eleventh bearing, wherein the tenth bearing, the fifth flat key, the sixth gear and the seventh gear are arranged at the upper part of the second shaft, the first flat key and the first electromagnetic clutch are arranged at the middle part of the second shaft, the eleventh bearing is arranged in the first electromagnetic clutch, and the fourth bearing, the first gear and the third bearing are arranged at the lower part of the second shaft; the fourth assembly consists of a spline housing, an eighth gear, a sixth flat key, a second bearing and a twelfth bearing, wherein the twelfth bearing, the sixth flat key and the eighth gear are arranged at the upper part of the spline housing, and the second bearing is arranged at the lower part of the spline housing; the main shaft assembly consists of a main shaft, a first bearing, a twenty-first bearing, a guide sleeve and a main shaft sleeve, wherein the twenty-first bearing is arranged at the lower part of the main shaft, the first bearing is arranged at the middle part of the main shaft, the main shaft sleeve is arranged at the middle lower part of the main shaft, and the guide sleeve is arranged in a main shaft box body hole J; the fifth shaft assembly consists of a ninth gear, a fourteenth bearing and a second spring clamping ring, and the fourteenth bearing and the second spring clamping ring are arranged on the ninth gear; the VI shaft assembly consists of a third shaft, a tenth gear, an eighth flat key, a thirteenth bearing and a sixteenth bearing, wherein the thirteenth bearing, the seventh flat key and the tenth gear are arranged at the upper part of the third shaft, and the sixteenth bearing is arranged at the lower part of the third shaft; the horizontal shaft assembly consists of a horizontal shaft, an eleventh gear, a worm wheel and an eighteenth bearing, wherein the eleventh gear, the eighteenth bearing and the worm wheel are arranged on the horizontal shaft, and the eleventh gear is meshed with a rack on the main shaft sleeve; the worm assembly consists of a worm, a seventeenth bearing, a nineteenth bearing, a twentieth bearing, a bearing seat, a support and a third spring retainer ring, wherein the seventeenth bearing, the nineteenth bearing and the twentieth bearing are arranged on the worm, the bearing seat and the third spring retainer ring are arranged in a main shaft box body hole M, and the support is arranged in a main shaft box body hole P; loading the lower part of the first assembly into a bearing seat hole A of a bearing plate; the upper part of the II shaft assembly is arranged in a bearing seat hole B of a bearing plate, the lower part of the first shaft assembly is arranged in a main shaft box body hole C, and the fourth gear is meshed with the fifth gear; the upper part of the third shaft assembly is arranged in a bearing seat hole D of a bearing plate, the lower part of the second shaft assembly is arranged in a main shaft box body hole E, and the third gear is meshed with the seventh gear; the upper part of the IV shaft assembly is arranged in a bearing seat hole F of a bearing plate, the lower part of the IV shaft assembly is arranged in a main shaft box body hole G, and a sixth gear is meshed with an eighth gear; loading the lower part of the fifth assembly into the bearing seat hole K of the bearing plate; the upper part of the VI shaft assembly is arranged in a bearing seat hole H of a bearing plate, the lower part of the VI shaft assembly is arranged in a main shaft box body hole Q, and an eighth gear is meshed with a tenth gear; the left end and the right end of the bearing plate are fixed on the side wall of the main shaft box body; the main shaft box cover is fixedly arranged on the main shaft box body; after a third flat key is arranged on the shaft of the main motor, the third flat key is arranged in a hole of a fourth gear and is arranged in a hole N of a main shaft box body for fixation; after a seventh flat key is arranged on the shaft of the feeding motor, the seventh flat key is arranged in a hole of a ninth gear and is arranged in a hole O of a main shaft box body for fixation, and the tenth gear is meshed with the ninth gear; installing a guide sleeve into a main shaft box body hole J, and installing a main shaft assembly into the guide sleeve and a spline sleeve hole; installing the horizontal shaft assembly into the spindle box body hole; installing the worm assembly into the bearing housing and the bearing bore; the upper end and the lower end of the fourth shaft are respectively provided with a first coupler and a second coupler, the first coupler at the upper end of the fourth shaft is connected with a third shaft, and the second coupler at the lower end of the fourth shaft is connected with a worm;
the digital display type radial drilling machine spindle box adopting the electromagnetic clutch for speed change comprises a main transmission system and a feeding transmission system, wherein the main transmission system comprises a main motor, a fourth gear, a fifth gear, a third gear, an eighth gear, a second electromagnetic clutch, a second gear, a first shaft, a sixth gear, a seventh gear, a first electromagnetic clutch, a first gear, a second shaft, an eighth gear, a spline housing and a main shaft; the low-speed transmission route of the main transmission system of the spindle box is as follows: main motor-fourth gear-fifth gear-second gear-first gear-sixth gear-eighth gear-main shaft; the high-speed transmission route of the main transmission system of the spindle box is as follows: main motor-fourth gear-fifth gear-third gear-seventh gear-sixth gear-eighth gear-main shaft; the feeding transmission system comprises a feeding motor, a ninth gear, a tenth gear, a third shaft, a fourth shaft, a worm wheel, a horizontal shaft, an eleventh gear and a main shaft sleeve, and the transmission route of the main shaft box feeding transmission system is as follows: a feed motor-a ninth gear-a tenth gear-a third shaft-a fourth shaft-a worm wheel-a horizontal shaft-an eleventh gear-a main shaft sleeve;
the working principle of the digital display radial drilling machine spindle box speed change by adopting the electromagnetic clutch speed change is that the main speed change system is a stepless speed change system, and the main shaft also obtains stepless revolution because the power source of the main speed change system is a variable frequency stepless speed change motor and the revolution of the main motor is transmitted to the main shaft through a mechanical transmission system; a speed reducing transmission mechanism is arranged between the main motor and the main shaft, firstly, the output torque of the main shaft is increased, and secondly, the revolution of the motor is reasonably utilized; in order to better adapt to the requirements of the processing technology, the revolution range of the main shaft is enlarged, so that a high-speed gear and a low-speed gear are arranged in a main transmission system; the revolution range of the main motor is 302r/min-4440r/min, and the main motor is subjected to speed reduction transmission through a transmission system, so that the main shaft obtains a stepless speed regulation range of 16r/min-1600 r/min; if the high-speed gear is not adopted, the main shaft can only obtain the revolution range of 16r/min-235r/min, if the high-speed gear is adopted, the main shaft can also obtain the revolution range of 235r/min-1600 r/min; the two sections of revolution ranges are added together to obtain the revolution range of the main shaft 16r/min-1600r/min, so that the revolution requirement of the processing technology on the main shaft can be met; the feeding speed changing system does not need to enlarge the revolution range, firstly, the reduction ratio of the feeding transmission system is large enough to enable the feeding force of the main shaft to meet the processing requirement, and secondly, the feeding amount of the mechanical processing is small, so that the feeding amount range is not required to be large, and the feeding amount range is not required to be enlarged from the feeding motor to the main shaft; stepless speed regulation range of the feed motor: 2r/min-2500r/min, and the feeding amount of the main shaft is 0.04mm/r-0.944mm/r through a feeding transmission system; thus, the requirement of the processing technology on the feeding amount of the main shaft can be met;
the control method of the digital display radial drilling machine spindle box speed change by adopting the electromagnetic clutch speed change is that the main speed change and the feeding speed change are mainly controlled electrically; the main motor is an alternating current variable frequency stepless speed regulating motor, and the frequency of the motor is changed through a frequency converter, so that the change of the revolution of the main shaft is realized; the feeding motor is an alternating current servo motor, and the revolution of the feeding motor is changed through a servo system to realize feeding speed change; the main speed change is realized by not only the main motor speed change, but also mechanical coordination, and the revolution in the low speed range is needed to be connected with a low speed transmission route, namely the second electromagnetic clutch is powered off, and the first electromagnetic clutch is powered on; if the revolution in the high-speed range is needed to be connected with a high-speed transmission route, namely the first electromagnetic clutch is powered off, and the second electromagnetic clutch is powered on; the main speed change and the feeding speed change of the spindle box are connected through software, and the feeding is changed into rotary feeding, namely, the spindle rotates one round, and the feeding operates according to a certain amount; the feeding amount of each revolution of the main shaft can be adjusted within the range of 0.04mm/r-0.944mm/r, so that the requirement of machining is met; the operation of the main shaft box is very simple and convenient, the front of the main shaft box is provided with an operation panel, a digital display window is arranged on the operation panel, the number of revolutions of the main shaft can be displayed digitally, and the feeding quantity can be displayed digitally; if the revolution or the feeding amount of the main shaft is changed, only the speed regulating knob is required to be rotated; the main speed change and the feeding speed change are carried out under the condition of no stopping, and particularly, the main speed change can be carried out under the condition of no stopping due to the adoption of a friction plate type electromagnetic clutch structure;
the speed change of the digital display radial drilling machine spindle box adopting the electromagnetic clutch speed change is characterized in that the main speed change and the feeding speed change of the spindle box are stepless speed regulation, so that the optimal cutting speed can be selected during processing, the processing quality is good, and the processing speed is improved; the main speed change and the feeding speed change can be carried out without stopping the speed change, thereby shortening the auxiliary time during processing and improving the production efficiency; the machine can realize rotary feeding system, and overcomes the trouble of on-site calculation and the phenomenon of calculation error of operators during separate feeding and system; the knob is adopted for operation and digital display during speed change, so that the speed change is more convenient and accurate; the main shaft box has a simple structure, reduces the cost and reduces the failure rate; because the friction plate type electromagnetic clutch is adopted to switch the high gear and the low gear of the main speed change, the speed change without stopping is realized in the full speed change range, and the processing efficiency is further improved; because the idler gear and the friction plate type electromagnetic clutch are adopted to switch high and low gears, the structure of shifting the sliding gear hydraulic oil cylinder is omitted, materials are saved, processing time is shortened, and future maintenance time is saved; the weight of the machine tool is reduced, and the transportation is more convenient.
The key point of the invention is its structure, working principle and control method.
Compared with the prior art, the digital display radial drilling machine spindle box adopting electromagnetic clutch speed change has the advantages of improving cutting function and operation performance, simplifying structure, shortening auxiliary time, improving processing efficiency, simplifying operation, reducing manufacturing cost and the like, and can be widely applied to the machining industry.
The present invention will be described in detail with reference to the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is an enlarged partial view of section i of fig. 1.
Detailed Description
Referring to the drawings, a digital display type radial drilling machine headstock adopting electromagnetic clutch speed change comprises a main shaft 1, a guide sleeve 2, a main shaft sleeve 3, a first bearing 4, a second bearing 5, a third bearing 6, a fourth bearing 7, a first flat key 8, a first electromagnetic clutch 9, a first gear 10, a fifth bearing 11, a second gear 12, a main shaft box 13, a second flat key 14, a sixth bearing 15, a second electromagnetic clutch 16, a seventh bearing 17, a third gear 18, a fourth gear 19, a bearing plate 20, a fifth gear 21, a main shaft box cover 22, a third flat key 23, a main motor 24, an eighth bearing 25, a fourth flat key 26, a first shaft 27, a ninth bearing 28, a sixth gear 29, a fifth flat key 30, a second shaft 31, a tenth bearing 32, a seventh gear 33, an eleventh bearing 34, a sixth flat key 35, a twelfth bearing 36, an eighth gear 37, a thirteenth bearing 38, a feed motor 39, a seventh flat key 40, a fourteenth bearing 41, a second spring 42, a tenth gear 43, a tenth gear 44, a seventeenth bearing 48, a seventeenth bearing support bracket 52, a twenty-first bearing bracket 52, a seventeenth bearing bracket 52, a third bearing 45, a seventeenth bearing bracket 52, a seventeenth bearing 52, the first shaft assembly consists of a fourth gear 19, an eighth bearing 25 and a first spring retainer 63, wherein the eighth bearing 25 and the first spring retainer 63 are arranged on the fourth gear 19; the second shaft assembly consists of a first shaft 27, a second gear 12, a second electromagnetic clutch 16, a third gear 18, a fifth gear 21, a second flat key 14, a fourth flat key 26, a fifth bearing 11, a sixth bearing 15, a seventh bearing 17 and a ninth bearing 28, wherein the ninth bearing 28, the fourth flat key 26 and the fifth gear 21 are arranged at the upper part of the first shaft 27, the seventh bearing 17, the third gear 18, the second flat key 14 and the second electromagnetic clutch 16 are arranged at the middle part of the first shaft 27, the sixth bearing 15 is arranged in the second electromagnetic clutch 16, and the second gear 12 and the fifth bearing 11 are arranged at the lower part of the first shaft 27; the third shaft assembly consists of a second shaft 31, a first gear 10, a first electromagnetic clutch 9, a sixth gear 29, a seventh gear 33, a first flat key 8, a fifth flat key 30, a third bearing 6, a fourth bearing 7, a tenth bearing 32 and an eleventh bearing 34, wherein the tenth bearing 32, the fifth flat key 30, the sixth gear 29 and the seventh gear 33 are arranged at the upper part of the second shaft 31, the first flat key 8 and the first electromagnetic clutch 9 are arranged at the middle part of the second shaft 31, the eleventh bearing 34 is arranged in the first electromagnetic clutch 9, and the fourth bearing 7, the first gear 10 and the third bearing 6 are arranged at the lower part of the second shaft 31; the fourth assembly consists of a spline sleeve 48, an eighth gear 37, a sixth flat key 35, a second bearing 5 and a twelfth bearing 36, wherein the twelfth bearing 36, the sixth flat key 35 and the eighth gear 37 are arranged at the upper part of the spline sleeve 48, and the second bearing 5 is arranged at the lower part of the spline sleeve 48; the main shaft assembly consists of a main shaft 1, a first bearing 4, a twenty-first bearing 62, a guide sleeve 2 and a main shaft sleeve 3, wherein the twenty-first bearing 62 is arranged at the lower part of the main shaft 1, the first bearing 4 is arranged at the middle part of the main shaft 1, the main shaft sleeve 3 is arranged at the middle lower part of the main shaft 1, and the guide sleeve 2 is arranged in a hole J of a main shaft box body 13; the fifth shaft assembly consists of a ninth gear 43, a fourteenth bearing 41 and a second spring retainer 42, wherein the fourteenth bearing 41 and the second spring retainer 42 are arranged on the ninth gear 43; the VI shaft assembly consists of a third shaft 46, a tenth gear 44, an eighth flat key 45, a thirteenth bearing 38 and a sixteenth bearing 47, wherein the thirteenth bearing 38, the seventh flat key 45 and the tenth gear 44 are arranged at the upper part of the third shaft 46, and the sixteenth bearing 47 is arranged at the lower part of the third shaft 46; the horizontal shaft assembly consists of a horizontal shaft 58, an eleventh gear 56, a worm wheel 54 and an eighteenth bearing 55, wherein the eleventh gear 56, the eighteenth bearing 55 and the worm wheel 54 are arranged on the horizontal shaft 58, and the eleventh gear 56 is meshed with a rack on the main shaft sleeve 3; the worm assembly consists of a worm 57, a seventeenth bearing 53, a nineteenth bearing 60, a twentieth bearing 61, a bearing seat 59, a support 52 and a third spring retainer 64, wherein the seventeenth bearing 53, the nineteenth bearing 60 and the twentieth bearing 61 are arranged on the worm 57, the bearing seat 59 and the third spring retainer 64 are arranged in a hole M of the main shaft box 13, and the support 52 is arranged in a hole P of the main shaft box 13; loading the lower portion of the first assembly into bearing housing aperture A of bearing plate 20; the upper part of the II shaft assembly is arranged in a bearing seat hole B of a bearing plate 20, the lower part of the first shaft assembly is arranged in a hole C of a main shaft box body 13, and a fourth gear 19 is meshed with a fifth gear 21; the upper part of the third shaft assembly is arranged in a bearing seat hole D of a bearing plate 20, the lower part of the second shaft assembly is arranged in a hole E of a main shaft box body 13, and a third gear 18 is meshed with a seventh gear 33; the upper part of the IV shaft assembly is arranged in a bearing seat hole F of the bearing plate 20, the lower part of the IV shaft assembly is arranged in a hole G of the main shaft box body 13, and the sixth gear 29 is meshed with the eighth gear 37; loading the lower portion of the fifth assembly into bearing housing bore K of bearing plate 20; the upper part of the VI shaft assembly is arranged in a bearing seat hole H of the bearing plate 20, the lower part of the VI shaft assembly is arranged in a hole Q of the main shaft box body 13, and the eighth gear 37 is meshed with the tenth gear 44; the left and right ends of the bearing plate 20 are fixed on the side wall of the main shaft box 13; the main shaft box cover 22 is fixedly arranged on the main shaft box body 13; after a third flat key 23 is arranged on the shaft of the main motor 24, the third flat key is arranged in a hole of the fourth gear 19 and is arranged in a hole N of the main shaft box 13 for fixation; after the seventh flat key 40 is arranged on the shaft of the feed motor 39, the seventh flat key is arranged in a hole of the ninth gear 43 and is arranged in a hole O of the main shaft box 13 for fixation, and the tenth gear 44 is meshed with the ninth gear 43; installing the guide sleeve 2 into a hole J of the main shaft box body 13, and installing the main shaft 1 assembly into the holes of the guide sleeve 2 and the spline sleeve 48; mounting the horizontal shaft 58 assembly into the spindle box 13 bore; mounting the worm assembly into the bearing housing 59 and the support 52 bore; the first coupling 49 and the second coupling 51 are provided at the upper and lower ends of the fourth shaft 50, respectively, the first coupling 49 at the upper end of the fourth shaft 50 is connected to the third shaft 46, and the second coupling 51 at the lower end of the fourth shaft 50 is connected to the worm 57.
The digital display type radial drilling machine headstock adopting electromagnetic clutch speed change comprises a main transmission system and a feed transmission system, wherein the main transmission system comprises a main motor 24, a fourth gear 19, a fifth gear 21, a third gear 18, an eighth gear 37, a second electromagnetic clutch 16, a second gear 12, a first shaft 27, a sixth gear 29, a seventh gear 33, a first electromagnetic clutch 9, a first gear 10, a second shaft 31, an eighth gear 37, a spline housing 48 and a main shaft 1; the low-speed transmission route of the main transmission system of the spindle box is as follows: the main motor 24, the fourth gear 19, the fifth gear 21, the second gear 12, the first gear 10, the sixth gear 29, the eighth gear 37 and the main shaft 1; the high-speed transmission route of the main transmission system of the spindle box is as follows: the main motor 24, the fourth gear 19, the fifth gear 21, the third gear 18, the seventh gear 33, the sixth gear 29, the eighth gear 37 and the main shaft 1; the feed transmission system comprises a feed motor 39, a ninth gear 43, a tenth gear 44, a third shaft 46, a fourth shaft 50, a worm 57, a worm wheel 54, a horizontal shaft 58, an eleventh gear 56 and a main shaft sleeve 3, and the transmission route of the main shaft box feed transmission system is as follows: the feed motor 39-ninth gear 43-tenth gear 44-third shaft 46-fourth shaft 50-worm 57-worm wheel 54-horizontal shaft 58-eleventh gear 56-spindle cover 3.
The working principle of the digital display radial drilling machine spindle box speed change by adopting the electromagnetic clutch speed change is that the main speed change system is a stepless speed change system, and the main shaft also obtains stepless revolution because the power source of the main speed change system is a variable frequency stepless speed change motor and the revolution of the main motor 24 is transmitted to the main shaft 1 through a mechanical transmission system; a speed reducing transmission mechanism is arranged between the main motor 24 and the main shaft 1, firstly, in order to increase the output torque of the main shaft, and secondly, the revolution of the motor is reasonably utilized; in order to better adapt to the requirements of the processing technology, the revolution range of the main shaft 1 is enlarged, so that a high-speed gear and a low-speed gear are arranged in a main transmission system; the revolution range of the main motor 24 is 302r/min-4440r/min, and the main shaft 1 obtains a stepless speed regulation range of 16r/min-1600r/min through the speed reduction transmission of a transmission system; if the high-speed gear is not adopted, the main shaft 1 can only obtain the revolution range of 16r/min-235r/min, if the high-speed gear is adopted, the main shaft 1 can also obtain the revolution range of 235r/min-1600 r/min; the two sections of revolution ranges are added together to obtain the revolution range of the main shaft 16r/min-1600r/min, so that the revolution requirement of the processing technology on the main shaft 1 can be met; the feeding speed changing system does not need to enlarge the revolution range, firstly, the reduction ratio of the feeding transmission system is large enough to ensure that the feeding force of the main shaft 1 can meet the processing requirement, and secondly, the feeding amount of the mechanical processing is small, so that the feeding amount range does not need to be large, and the feeding amount range does not need to be enlarged from the feeding motor 39 to the main shaft 1; stepless speed regulation range of the feed motor 39: 2r/min-2500r/min, and the feeding amount of the main shaft 1 is 0.04mm/r-0.944mm/r through a feeding transmission system; thus, the requirement of the processing technology on the feed quantity of the main shaft can be met.
The control method of the digital display radial drilling machine spindle box speed change by adopting the electromagnetic clutch speed change is that the main speed change and the feeding speed change are mainly controlled electrically; the main motor 24 is an alternating current variable frequency stepless speed regulating motor, and the frequency of the motor is changed through a frequency converter to change the revolution of the main shaft 1; the feeding motor 39 is an alternating current servo motor, and the revolution of the feeding motor 39 is changed through a servo system to realize feeding speed change; the main speed change is realized by the speed change of the main motor 24, and the mechanical cooperation is also realized, the revolution in the low speed range is needed to be connected with a low-speed transmission route, namely the second electromagnetic clutch 16 is powered off, and the first electromagnetic clutch 9 is powered on; if the number of revolutions in the high speed range is high, the high-speed transmission route needs to be switched on, namely the first electromagnetic clutch 9 is powered off, and the second electromagnetic clutch 16 is powered on; the main speed change and the feeding speed change of the spindle box are connected through software, and the feeding is changed into rotary feeding, namely, the spindle 1 rotates one round, and the feeding operates according to a certain amount; the feeding amount of each revolution of the main shaft can be adjusted within the range of 0.04mm/r-0.944mm/r, so that the requirement of machining is met; the operation of the main shaft box is very simple and convenient, the front of the main shaft box is provided with an operation panel, a digital display window is arranged on the operation panel, the number of revolutions of the main shaft 1 can be displayed digitally, and the feeding quantity can be displayed digitally; if the revolution or the feeding amount of the main shaft 1 is changed, only the speed regulating knob is required to be rotated; the main gear shift and the feed gear shift are performed without stopping, and particularly, the main gear shift is performed without stopping because the friction plate type electromagnetic clutch structure is adopted, so that the high-low gear shift can be performed without stopping.
The speed change of the digital display radial drilling machine spindle box adopting the electromagnetic clutch speed change is characterized in that the main speed change and the feeding speed change of the spindle box are stepless speed regulation, so that the optimal cutting speed can be selected during processing, the processing quality is good, and the processing speed is improved; the main speed change and the feeding speed change can be carried out without stopping the speed change, thereby shortening the auxiliary time during processing and improving the production efficiency; the machine can realize rotary feeding system, and overcomes the trouble of on-site calculation and the phenomenon of calculation error of operators during separate feeding and system; the knob is adopted for operation and digital display during speed change, so that the speed change is more convenient and accurate; the main shaft box has a simple structure, reduces the cost and reduces the failure rate; because the friction plate type electromagnetic clutch is adopted to switch the high gear and the low gear of the main speed change, the speed change without stopping is realized in the full speed change range, and the processing efficiency is further improved; because the idler gear and the friction plate type electromagnetic clutch are adopted to switch high and low gears, the structure of shifting the sliding gear hydraulic oil cylinder is omitted, materials are saved, processing time is shortened, and future maintenance time is saved; the weight of the machine tool is reduced, and the transportation is more convenient.

Claims (2)

1. A digital display radial drilling machine spindle box adopting electromagnetic clutch speed change, comprises a main shaft, a guide sleeve, a main shaft sleeve, a first bearing, a second bearing, a third bearing, a fourth bearing, a first flat key, a first electromagnetic clutch, a first gear, a fifth bearing, a second gear, a main shaft box, a second flat key, a sixth bearing, a second electromagnetic clutch, a seventh bearing, a third gear, a fourth gear, a bearing plate, a fifth gear, a main shaft box, a third flat key, a main motor, an eighth bearing, a fourth flat key, a first shaft, a ninth bearing, a sixth gear, a fifth flat key, a second shaft, a tenth bearing, a seventh gear, an eleventh bearing, a sixth flat key, a twelfth bearing, an eighth gear, a thirteenth bearing, a feed motor, a seventh flat key, a fourteenth bearing, a second spring collar, a ninth gear, a tenth gear, an eighth flat key, a third shaft, a sixteenth bearing, a spline sleeve, a first coupler, a fourth shaft, a second coupler, a support, a seventeenth bearing, a bearing pedestal, an eighteenth bearing, an eleventh gear, a worm gear, a horizontal shaft, a twenty-fourth bearing, a twenty-eighth bearing, the method is characterized in that: the first shaft assembly consists of a first gear, a second bearing and a first spring retainer ring, wherein the second bearing and the first spring retainer ring are arranged on the first gear; the second shaft assembly consists of a first shaft, a second gear, a second electromagnetic clutch, a third gear, a fifth gear, a second flat key, a fourth flat key, a fifth bearing, a sixth bearing, a seventh bearing and a ninth bearing, wherein the ninth bearing, the fourth flat key and the fifth gear are arranged at the upper part of the first shaft, the seventh bearing, the third gear, the second flat key and the second electromagnetic clutch are arranged at the middle part of the first shaft, the sixth bearing is arranged in the second electromagnetic clutch, and the second gear and the fifth bearing are arranged at the lower part of the first shaft; the third shaft assembly consists of a second shaft, a first gear, a first electromagnetic clutch, a sixth gear, a seventh gear, a first flat key, a fifth flat key, a third bearing, a fourth bearing, a tenth bearing and an eleventh bearing, wherein the tenth bearing, the fifth flat key, the sixth gear and the seventh gear are arranged at the upper part of the second shaft, the first flat key and the first electromagnetic clutch are arranged at the middle part of the second shaft, the eleventh bearing is arranged in the first electromagnetic clutch, and the fourth bearing, the first gear and the third bearing are arranged at the lower part of the second shaft; the fourth assembly consists of a spline housing, an eighth gear, a sixth flat key, a second bearing and a twelfth bearing, wherein the twelfth bearing, the sixth flat key and the eighth gear are arranged at the upper part of the spline housing, and the second bearing is arranged at the lower part of the spline housing; the main shaft assembly consists of a main shaft, a first bearing, a twenty-first bearing, a guide sleeve and a main shaft sleeve, wherein the twenty-first bearing is arranged at the lower part of the main shaft, the first bearing is arranged at the middle part of the main shaft, the main shaft sleeve is arranged at the middle lower part of the main shaft, and the guide sleeve is arranged in a main shaft box body hole J; the fifth shaft assembly consists of a ninth gear, a fourteenth bearing and a second spring clamping ring, and the fourteenth bearing and the second spring clamping ring are arranged on the ninth gear; the VI shaft assembly consists of a third shaft, a tenth gear, an eighth flat key, a thirteenth bearing and a sixteenth bearing, wherein the thirteenth bearing, the seventh flat key and the tenth gear are arranged at the upper part of the third shaft, and the sixteenth bearing is arranged at the lower part of the third shaft; the horizontal shaft assembly consists of a horizontal shaft, an eleventh gear, a worm wheel and an eighteenth bearing, wherein the eleventh gear, the eighteenth bearing and the worm wheel are arranged on the horizontal shaft, and the eleventh gear is meshed with a rack on the main shaft sleeve; the worm assembly consists of a worm, a seventeenth bearing, a nineteenth bearing, a twentieth bearing, a bearing seat, a support and a third spring retainer ring, wherein the seventeenth bearing, the nineteenth bearing and the twentieth bearing are arranged on the worm, the bearing seat and the third spring retainer ring are arranged in a main shaft box body hole M, and the support is arranged in a main shaft box body hole P; loading the lower part of the first assembly into a bearing seat hole A of a bearing plate; the upper part of the II shaft assembly is arranged in a bearing seat hole B of a bearing plate, the lower part of the first shaft assembly is arranged in a main shaft box body hole C, and the fourth gear is meshed with the fifth gear; the upper part of the third shaft assembly is arranged in a bearing seat hole D of a bearing plate, the lower part of the second shaft assembly is arranged in a main shaft box body hole E, and the third gear is meshed with the seventh gear; the upper part of the IV shaft assembly is arranged in a bearing seat hole F of a bearing plate, the lower part of the IV shaft assembly is arranged in a main shaft box body hole G, and a sixth gear is meshed with an eighth gear; loading the lower part of the fifth assembly into the bearing seat hole K of the bearing plate; the upper part of the VI shaft assembly is arranged in a bearing seat hole H of a bearing plate, the lower part of the VI shaft assembly is arranged in a main shaft box body hole Q, and an eighth gear is meshed with a tenth gear; the left end and the right end of the bearing plate are fixed on the side wall of the main shaft box body; the main shaft box cover is fixedly arranged on the main shaft box body; after a third flat key is arranged on the shaft of the main motor, the third flat key is arranged in a hole of a fourth gear and is arranged in a hole N of a main shaft box body for fixation; after a seventh flat key is arranged on the shaft of the feeding motor, the seventh flat key is arranged in a hole of a ninth gear and is arranged in a hole O of a main shaft box body for fixation, and the tenth gear is meshed with the ninth gear; installing a guide sleeve into a main shaft box body hole J, and installing a main shaft assembly into the guide sleeve and a spline sleeve hole; installing the horizontal shaft assembly into the spindle box body hole; installing the worm assembly into the bearing housing and the bearing bore; the upper end and the lower end of the fourth shaft are respectively provided with a first coupler and a second coupler, the first coupler at the upper end of the fourth shaft is connected with the third shaft, and the second coupler at the lower end of the fourth shaft is connected with the worm.
2. The digital display radial drilling machine spindle box adopting electromagnetic clutch speed change according to claim 1, wherein: the digital display type radial drilling machine spindle box adopting the electromagnetic clutch for speed change comprises a main transmission system and a feeding transmission system, wherein the main transmission system comprises a main motor, a fourth gear, a fifth gear, a third gear, an eighth gear, a second electromagnetic clutch, a second gear, a first shaft, a sixth gear, a seventh gear, a first electromagnetic clutch, a first gear, a second shaft, an eighth gear, a spline housing and a main shaft; the low-speed transmission route of the main transmission system of the spindle box is as follows: main motor-fourth gear-fifth gear-second gear-first gear-sixth gear-eighth gear-main shaft; the high-speed transmission route of the main transmission system of the spindle box is as follows: main motor-fourth gear-fifth gear-third gear-seventh gear-sixth gear-eighth gear-main shaft; the feeding transmission system comprises a feeding motor, a ninth gear, a tenth gear, a third shaft, a fourth shaft, a worm wheel, a horizontal shaft, an eleventh gear and a main shaft sleeve, and the transmission route of the main shaft box feeding transmission system is as follows: the feed motor-ninth gear-tenth gear-third shaft-fourth shaft-worm wheel-horizontal shaft-eleventh gear-main shaft sleeve.
CN201811233277.3A 2018-10-23 2018-10-23 Digital display radial drilling machine spindle box adopting electromagnetic clutch for speed change Active CN109175412B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811233277.3A CN109175412B (en) 2018-10-23 2018-10-23 Digital display radial drilling machine spindle box adopting electromagnetic clutch for speed change

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811233277.3A CN109175412B (en) 2018-10-23 2018-10-23 Digital display radial drilling machine spindle box adopting electromagnetic clutch for speed change

Publications (2)

Publication Number Publication Date
CN109175412A CN109175412A (en) 2019-01-11
CN109175412B true CN109175412B (en) 2023-11-28

Family

ID=64942675

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811233277.3A Active CN109175412B (en) 2018-10-23 2018-10-23 Digital display radial drilling machine spindle box adopting electromagnetic clutch for speed change

Country Status (1)

Country Link
CN (1) CN109175412B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112855794B (en) * 2020-12-28 2022-05-31 四川建筑职业技术学院 Method for preventing simultaneous feeding of boring shaft and ram of floor type boring and milling machine
CN112916921A (en) * 2021-04-09 2021-06-08 沈阳景宏数控设备有限公司 Main spindle box of radial drilling machine

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB337106A (en) * 1929-08-23 1930-10-30 Cincinnati Bickford Tool Co Improvements in and relating to change speed gearing for drilling and boring and comparable machines
GB340779A (en) * 1930-01-01 1931-01-08 Alfred Herbert Gearing for the headstock of a lathe or the like
JPH07214403A (en) * 1994-01-28 1995-08-15 Hitachi Seiki Co Ltd Facing head
CA2342595A1 (en) * 2000-04-04 2001-10-04 Honda Giken Kogyo Kabushiki Kaisha Four parallel shaft type automatic transmission
CN201552441U (en) * 2009-09-21 2010-08-18 陈军 Numerical-control drilling and milling machine
CN103934686A (en) * 2013-01-18 2014-07-23 昆山义成工具有限公司 Screwdriver head turning-milling combined machine
CN104551818A (en) * 2015-01-29 2015-04-29 孙丽君 Numerically-controlled machine tool with variable-speed feeding device
CN105252035A (en) * 2015-11-24 2016-01-20 沈阳景宏数控设备有限公司 Numerical display type radial drilling machine
CN105269034A (en) * 2015-11-24 2016-01-27 沈阳景宏数控设备有限公司 Main shaft speed change system and main shaft feeding speed change system of digital display type radial drilling machine
CN105328242A (en) * 2015-11-24 2016-02-17 沈阳景宏数控设备有限公司 Spindle feeding mechanism of digital display type radial drilling machine
CN205888097U (en) * 2016-07-25 2017-01-18 山东海力达数控机床有限公司 Quick moving mechanism of radial drill main shaft box
CN107442803A (en) * 2017-08-03 2017-12-08 南通西马特机器制造有限公司 Digitize radial drilling machine
CN206732182U (en) * 2016-10-13 2017-12-12 浙江西菱股份有限公司 A kind of variable speed radial drill
CN209062151U (en) * 2018-10-23 2019-07-05 沈阳景宏数控设备有限公司 A kind of digital display radial drilling machine spindle box using electromagnetic clutch speed change

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB337106A (en) * 1929-08-23 1930-10-30 Cincinnati Bickford Tool Co Improvements in and relating to change speed gearing for drilling and boring and comparable machines
GB340779A (en) * 1930-01-01 1931-01-08 Alfred Herbert Gearing for the headstock of a lathe or the like
JPH07214403A (en) * 1994-01-28 1995-08-15 Hitachi Seiki Co Ltd Facing head
CA2342595A1 (en) * 2000-04-04 2001-10-04 Honda Giken Kogyo Kabushiki Kaisha Four parallel shaft type automatic transmission
CN201552441U (en) * 2009-09-21 2010-08-18 陈军 Numerical-control drilling and milling machine
CN103934686A (en) * 2013-01-18 2014-07-23 昆山义成工具有限公司 Screwdriver head turning-milling combined machine
CN104551818A (en) * 2015-01-29 2015-04-29 孙丽君 Numerically-controlled machine tool with variable-speed feeding device
CN105252035A (en) * 2015-11-24 2016-01-20 沈阳景宏数控设备有限公司 Numerical display type radial drilling machine
CN105269034A (en) * 2015-11-24 2016-01-27 沈阳景宏数控设备有限公司 Main shaft speed change system and main shaft feeding speed change system of digital display type radial drilling machine
CN105328242A (en) * 2015-11-24 2016-02-17 沈阳景宏数控设备有限公司 Spindle feeding mechanism of digital display type radial drilling machine
CN205888097U (en) * 2016-07-25 2017-01-18 山东海力达数控机床有限公司 Quick moving mechanism of radial drill main shaft box
CN206732182U (en) * 2016-10-13 2017-12-12 浙江西菱股份有限公司 A kind of variable speed radial drill
CN107442803A (en) * 2017-08-03 2017-12-08 南通西马特机器制造有限公司 Digitize radial drilling machine
CN209062151U (en) * 2018-10-23 2019-07-05 沈阳景宏数控设备有限公司 A kind of digital display radial drilling machine spindle box using electromagnetic clutch speed change

Also Published As

Publication number Publication date
CN109175412A (en) 2019-01-11

Similar Documents

Publication Publication Date Title
CN110421359B (en) Composite laser pipe cutting machine
CN205008507U (en) Automatic feeding device and automatic -feeding punching machine
CN109605063B (en) Small five-axis engraving and milling machine tool
CN109175412B (en) Digital display radial drilling machine spindle box adopting electromagnetic clutch for speed change
CN202301899U (en) Gearshift mechanism for main transmission case
CN105269034A (en) Main shaft speed change system and main shaft feeding speed change system of digital display type radial drilling machine
CN103358185A (en) High-rigidity large-torque vertical machining center
CN115488387A (en) Automobile axle housing drilling equipment
CN101024266A (en) Hydraulic through-hole processing method and apparatus
CN105328242B (en) A kind of axis feeding mechanism of digital display radial drilling machine
CN108580968B (en) Special machine tool for boring inner hole of ultra-long large-diameter cylinder
CN106112017A (en) A kind of single-column high-speed numerical-control vertical lathe of band self-centering chuck
CN209062151U (en) A kind of digital display radial drilling machine spindle box using electromagnetic clutch speed change
CN107962394B (en) Multifunctional drilling and tapping milling machine and operation method thereof
CN2359034Y (en) Numerical controlled machine tool for processing pipe thread
CN105834748A (en) Automatic drilling device for large motor rotor
CN205147396U (en) Digital display type radial drill's main shaft variable speed system and main shaft feed variable speed system
CN201807756U (en) Deep-hole drilling and boring machine
CN110560720A (en) spindle box of stepless high-speed radial drilling machine
CN201505762U (en) Gear milling head
CN210757463U (en) Assembling tool for horizontal machine tool shaft motor
CN212371189U (en) Gear transmission type main shaft speed change gear shifting mechanism of planer type milling machine
CN221210640U (en) Double-drive mechanism of vertical lathe
CN205147397U (en) Digital display type radial drill's main shaft feed mechanism
CN102672516B (en) Workbench driving device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant