CN103753332A - Numerical control machine tool - Google Patents
Numerical control machine tool Download PDFInfo
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- CN103753332A CN103753332A CN201410000723.1A CN201410000723A CN103753332A CN 103753332 A CN103753332 A CN 103753332A CN 201410000723 A CN201410000723 A CN 201410000723A CN 103753332 A CN103753332 A CN 103753332A
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- control cabinet
- machine tool
- splined shaft
- spline housing
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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
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/02—Driving main working members
- B23Q5/04—Driving main working members rotary shafts, e.g. working-spindles
- B23Q5/12—Mechanical drives with means for varying the speed ratio
- B23Q5/14—Mechanical drives with means for varying the speed ratio step-by-step
- B23Q5/145—Mechanical drives with means for varying the speed ratio step-by-step fluid-operated
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- Gear-Shifting Mechanisms (AREA)
Abstract
The invention provides a numerical control machine tool, belongs to the technical field of mechanical equipment and solves the problem that the moment transmitted to a spindle cannot satisfy the machining requirement when the motor of the existing numerical control machine tool operates at low speed, and machining precision is low. The numerical control machine tool comprises a frame and a workbench disposed on the frame. A linkage device is disposed between the workbench and the frame. A cutter transmission control cabinet is disposed on the frame opposite to the workbench. An up-down lifting device is disposed between the cutter transmission control cabinet and the frame. A motor is disposed in the cutter transmission box. A spindle is disposed in the cutter transmission control cabinet parallel with the transmission shaft of the motor. One end of the spindle extends downwardly out of the cutter transmission control cabinet. A connector for cutter connection is fixedly connected to the extended end of the spindle. A transmission device is disposed between the spindle and the transmission shaft of the motor. The numerical control machine tool has the advantages that machining precision can be increased; the moment transmitted by the motor to the spindle is allowed to be stable through gear ratio adjusting.
Description
Technical field
The invention belongs to mechanical equipment technical field, relate to a kind of Digit Control Machine Tool.
Background technology
Digit Control Machine Tool is a kind of automated machine tool that program control system is housed, this control system can logically be processed has control coding or other symbolic instruction established procedures, and by its decoding, numeral by encode, by information carrier, input numerical control device, through calculation process, by numerical control device, send various control signals, control the running of lathe, shape and size by drawing, automatically process part.Digit Control Machine Tool has solved the part processing problems of complexity, precision, small lot, many kinds preferably, is a kind of flexibility, dynamical automated machine tool, has represented that the development of modern machine control technology is sent to, and is a kind of typical electromechanical integrated product.
Digit Control Machine Tool is compared main feature with machine tool: one, the strong adaptability to processing object, adapts to the feature that the single products such as mould are produced, for the manufacture of mould provides suitable processing method; Two, machining accuracy is high, has stable crudy; Three, can carry out the interlock of multi-coordinate, the part of energy machining shape complexity; When four, processing parts changes, need to change numerical control program, can save and produce time for general; Five, the precision of this province of lathe is high, rigidity is large, can select favourable machining dosage, and production efficiency is high; Six, Machinery Tool Automation degree is high, can reduce labor intensity; Seven, the sophisticated equipment that is conducive to production management, Digit Control Machine Tool use digital information and standard code are processed, transmission of information, have used computer control method, for CAD, manufacture and management integration are laid a good foundation; Eight, higher to operating personnel's competency profiling, higher to maintenance personal's specification requirement; Nine, reliability is high.
The workbench of general Digit Control Machine Tool can be along X-axis in frame, Y direction moves, make workbench in frame along X-axis, the linkage that Y direction moves is generally: in frame, be installed with the Y-axis screw mandrel that motor is connected mutually with motor shaft with motor, in frame, be provided with Y-axis planker, Y-axis planker lower surface is fixed with feed screw nut, this Y-axis planker is connected on above-mentioned Y-axis screw mandrel by feed screw nut's spiral, this Y-axis planker can move along the axial direction of Y-axis screw mandrel, upper surface at Y-axis planker is installed with X-axis line rail, lower surface at workbench is installed with X-axis line rail slide block, described X-axis line rail slide block is slidably connected on X-axis line rail, this workbench can move along X-axis line rail direction.In the frame relative with workbench, be provided with cutter transmission control cabinet, between described cutter transmission control cabinet and frame, be provided with the oscilaltion device that cutter transmission control cabinet is moved along the Z-direction of frame, this oscilaltion device is generally installed with motor and is connected mutually with electric machine main shaft and is provided with straight down Z axis screw mandrel in frame, and described cutter transmission control cabinet is fixed on Z axis screw mandrel and can be made cutter transmission control cabinet move along the axial direction of Z axis screw mandrel by Z axis feed screw nut spiral.In above-mentioned Digit Control Machine Tool, the main shaft that connects cutter in this cutter transmission control cabinet generally directly connects with motor shaft, between main shaft and motor shaft, just can not speed change regulate like that, the moment that passes to main shaft when motor low speed does not reach processing request, so just affect machining accuracy, make Digit Control Machine Tool not strong to the applicability of product processing.
Summary of the invention
The object of the invention is to have the problems referred to above for existing technology, having proposed a kind of main shaft and motor transmission shaft of connecting cutter of making can carry out three-step gear shift automatically, makes the Digit Control Machine Tool that processing precision of products is higher.
Object of the present invention can realize by following technical proposal: a kind of Digit Control Machine Tool, comprise frame and be arranged on the workbench in frame, between described workbench and frame, be provided with and make the workbench can be along X-axis in frame, the linkage that Y direction moves, in the frame relative with workbench, be provided with cutter transmission control cabinet, between described cutter transmission control cabinet and frame, be provided with the oscilaltion device that cutter transmission control cabinet is moved along the Z-direction of frame, it is characterized in that, in cutter transmission control cabinet, be provided with motor, in the cutter transmission control cabinet being parallel to each other with the power transmission shaft of motor, be provided with main shaft, one end of main shaft is stretched out cutter transmission control cabinet downwards and at the external part of main shaft, is fixed with the connector connecting for cutter, between described main shaft and the power transmission shaft of motor, be provided with and control main shaft self shifter and can make main shaft reach the transmission device of three-step gear shift.
Digit Control Machine Tool is to be mainly provided with transmission device between main shaft and the power transmission shaft of motor, by make the main shaft and the motor transmission shaft that connect cutter can automatically carry out three-step gear shift to the improvement of transmission device, this transmission device is reached and is automatically carried out the requirement that three-step gear shift is changed mutually by hydraulic means, this hydraulic means is connected with control cabinet, by just making main shaft select suitable rotating speed to process to the operation of control cabinet, improve machining accuracy, realize automation mechanized operation; Above-mentioned linkage, oscilaltion device are identical with the structure providing in background technology.
In above-mentioned a kind of Digit Control Machine Tool, described transmission device is included on cutter transmission control cabinet and is rotatably connected to splined shaft by bearing, described splined shaft one end puts in cutter transmission control cabinet and the inserting end of this splined shaft is connected mutually with the power transmission shaft of above-mentioned motor, on splined shaft, slip cap is provided with spline housing gear, be positioned to be installed with on the cutter transmission control cabinet outer wall of the splined shaft other end and can make spline housing gear hydraulic means in axial sliding on splined shaft, pull bar in described hydraulic means is connected with above-mentioned spline housing gear, between spline housing gear and splined shaft, be provided with the fixed structure that spline housing gear is located on splined shaft, on spline housing gear, be also installed with shifting slide gear one, shifting slide gear two, on main shaft, fixed cover is provided with change-speed gearing one, change-speed gearing two and change-speed gearing three, described change-speed gearing one can be meshed with shifting slide gear one, described change-speed gearing two can be meshed with shifting slide gear two, described change-speed gearing three can be meshed with spline housing gear.In hydraulic means, under the promotion of pull bar, pull bar drives spline housing gear along splined shaft axially-movable, and motion of main shaft has three kinds of situations: during general rotating speed, and two: guarantee that main shaft still has moment, three when the slow-speed of revolution: during maximum speed; When general rotating speed, this change-speed gearing one is meshed with shifting slide gear one, and change-speed gearing two separates with shifting slide gear two, and change-speed gearing three separates with spline housing gear; Guarantee that main shaft still has moment when the slow-speed of revolution, this change-speed gearing one separates with shifting slide gear one, and change-speed gearing two is meshed with shifting slide gear two, and change-speed gearing three separates with spline housing gear; When maximum speed, this change-speed gearing one separates with shifting slide gear one, and change-speed gearing two separates with shifting slide gear two, and change-speed gearing three is meshed with spline housing gear.
In above-mentioned a kind of Digit Control Machine Tool, described hydraulic means is included on cutter transmission control cabinet outer wall and is installed with hydraulic valve body, on hydraulic valve body, offer hydraulic channel, in described hydraulic channel, be provided with piston, the piston rod of piston is connected mutually with the upper end of hydraulic valve body, above-mentioned pull bar is connected mutually by drag link sleeve and the piston cylinder of described piston, on the sidewall of hydraulic valve body, offer respectively the asphalt channel one that can make piston cylinder be placed in hydraulic channel centre position, can make piston cylinder be placed in the asphalt channel two of hydraulic channel upper end position, can make piston cylinder be placed in hydraulic channel lower end position asphalt channel three.
In above-mentioned a kind of Digit Control Machine Tool, described asphalt channel one is included in the branch road one of offering on hydraulic valve body and the branch road two being connected with branch road one, the outlet of described branch road one is positioned at the upper end of hydraulic valve body, the outlet of described branch road two is positioned at the lower end of hydraulic valve body, the outlet of described asphalt channel two is positioned at the lower end of hydraulic valve body and relative with the outlet of above-mentioned branch road two, the outlet of described asphalt channel three is positioned at the medium position of hydraulic valve body, the distance of the outlet of this asphalt channel three and hydraulic valve body upper end end face is less than or equal to the axial distance of piston cylinder.
In above-mentioned a kind of Digit Control Machine Tool, described spline housing gear comprises lining and the spline housing gear tooth being connected as a single entity with lining, axial direction along lining on the inwall of lining offers the keyway that can be connected with above-mentioned spline axle key tooth, and above-mentioned shifting slide gear one, shifting slide gear two respectively fixed cover are located on the outer wall of above-mentioned lining.This shifting slide gear one, shifting slide gear two mutually stack is socketed on lining, should be by shifting slide gear one, by shifting slide gear one, shifting slide gear two, both are fixed on lining shifting slide gear two jump rings.
In above-mentioned a kind of Digit Control Machine Tool, the axial direction of the upper end edge splined shaft of described splined shaft radially offers targeting port, and the lower end of above-mentioned pull bar puts in targeting port, at the inserting end of pull bar, by bearing pin and above-mentioned lining, is connected mutually.
In above-mentioned a kind of Digit Control Machine Tool, described fixed structure is included on the outer wall of lining one end the spaced apart locating hole that is radially run through above-mentioned shifting slide gear one body by several that is provided with of circumferencial direction along lining, in locating hole, be provided with locating core, the outer end of described locating hole is installed with baffle plate, between described locating core and baffle plate, be provided with elastic component, axial direction along splined shaft on the outer wall of splined shaft is arranged at intervals with locating slot one, locating slot two and locating slot three, when spline housing gear moves on splined shaft, above-mentioned locating core can hold out against in above-mentioned one of them locating slot.
In above-mentioned a kind of Digit Control Machine Tool, in described cutter transmission control cabinet, be also provided with encoder, described main shaft is connected with the main shaft of encoder by encoder gear.
Compared with prior art, this Digit Control Machine Tool is provided with between main shaft and the power transmission shaft of motor to be controlled main shaft self shifter and can make main shaft reach the transmission device of three-step gear shift, in this transmission device, be provided with hydraulic means, by hydraulic means can regulate change-speed gearing one can with shifting slide gear one, change-speed gearing two and shifting slide gear two, change-speed gearing three can be meshed with spline housing gear three, position separately, change motor-driven to the speed ratio of main shaft, change-speed gearing one is meshed with shifting slide gear one, change-speed gearing two separates with shifting slide gear two, change-speed gearing three separates with spline housing gear, motor-driven is one to one to the speed ratio of main shaft, change-speed gearing one separates with shifting slide gear one, and change-speed gearing two is meshed with shifting slide gear two, and change-speed gearing three separates with spline housing gear, and motor-driven is three to one to the speed ratio of main shaft, change-speed gearing one separates with shifting slide gear one, and change-speed gearing two separates with shifting slide gear two, and change-speed gearing three is meshed with spline housing gear, and motor-driven is one to three to the speed ratio of main shaft, wherein change-speed gearing one separates with shifting slide gear one, change-speed gearing two is meshed with shifting slide gear two, change-speed gearing three separates with spline housing gear, and motor-driven is three than being applicable to for the moment speed of mainshaft processing low time to the speed ratio of main shaft, and the present invention can improve the machining accuracy to part, by gear ratio, regulate the moment that can make motor pass to main shaft more stable.
Accompanying drawing explanation
Fig. 1 is the perspective view of this Digit Control Machine Tool.
Fig. 2 is the sectional structure schematic diagram of cutter transmission control cabinet in this Digit Control Machine Tool.
In figure, 1, frame; 2, workbench; 3, cutter transmission control cabinet; 4, motor; 5, main shaft; 6, connector; 7, splined shaft; 8, spline housing gear; 9, pull bar; 10, shifting slide gear one; 11, shifting slide gear two; 12, change-speed gearing one; 13, change-speed gearing two; 14, change-speed gearing three; 15, hydraulic valve body; 16, hydraulic channel; 17, piston; 18, drag link sleeve; 19, asphalt channel two; 20, asphalt channel three; 21, branch road one; 22, branch road two; 23, lining; 24, the gear teeth; 25, targeting port; 26, bearing pin; 27, locating hole; 28, locating core; 29, baffle plate; 30, elastic component; 31, locating slot one; 32, locating slot two; 33, locating slot three; 34, encoder; 35, encoder gear.
The specific embodiment
Be below specific embodiments of the invention by reference to the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiment.
As shown in Figure 1 or 2, this Digit Control Machine Tool is mainly comprised of frame 1 and the workbench 2 being arranged in frame 1, between workbench 2 and frame 1, be provided with the linkage that workbench 2 can be moved along X-axis, Y direction in frame 1, this linkage is prior art, basic identical with the linkage in background technology, in the frame 1 relative with workbench 2, be provided with cutter transmission control cabinet 3, between cutter transmission control cabinet 3 and frame 1, be provided with the oscilaltion device that cutter transmission control cabinet 3 is moved along the Z-direction of frame 1, this oscilaltion device is prior art, basic identical with the linkage in background technology, in cutter transmission control cabinet 3, be provided with motor 4, in the cutter transmission control cabinet 3 being parallel to each other with the power transmission shaft of motor 4, be provided with main shaft 5, one end of main shaft 5 is stretched out cutter transmission control cabinet 3 downwards and at the external part of main shaft 5, is fixed with the connector 6 connecting for cutter, between the power transmission shaft of main shaft 5 and motor 4, be provided with and control main shaft 5 self shifter and can make main shaft 5 reach the transmission device of three-step gear shift, the primary structure of this transmission device is: mainly on cutter transmission control cabinet 3, by bearing, be rotatably connected to splined shaft 7, splined shaft 7 one end put in cutter transmission control cabinet 3 and the inserting end of this splined shaft 7 is connected mutually with the power transmission shaft of above-mentioned motor 4, on splined shaft 7, slip cap is provided with spline housing gear 8, be positioned to be installed with on cutter transmission control cabinet 3 outer walls of splined shaft 7 other ends and can make spline housing gear 8 hydraulic means in axial sliding on splined shaft 7, this hydraulic means is mainly installed with hydraulic valve body 15 on cutter transmission control cabinet 3 outer walls, on hydraulic valve body 15, offer hydraulic channel 16, in hydraulic channel 16, be provided with piston 17, the piston rod of piston 17 is connected mutually with the upper end of hydraulic valve body 15, in hydraulic channel 16, be provided with pull bar 9, one end of this pull bar 9 is connected mutually by drag link sleeve 18 and the piston cylinder of piston 17, on the sidewall of hydraulic valve body 15, offer respectively the asphalt channel one that can make piston cylinder be placed in hydraulic channel 16 centre positions, can make piston cylinder be placed in the asphalt channel 2 19 of hydraulic channel 16 upper end positions, can make piston cylinder be placed in hydraulic channel 16 lower end position asphalt channels 3 20, asphalt channel one is included in the branch road 1 of offering on hydraulic valve body 15 and the branch road 2 22 being connected with branch road 1, the outlet of branch road 1 is positioned at the upper end of hydraulic valve body 15, the outlet of branch road 2 22 is positioned at the lower end of hydraulic valve body 15, the outlet of asphalt channel 2 19 is positioned at the lower end of hydraulic valve body 15 and relative with the outlet of above-mentioned branch road 2 22, the outlet of asphalt channel 3 20 is positioned at the medium position of hydraulic valve body 15, and the distance of the outlet of this asphalt channel 3 20 and hydraulic valve body 15 upper end end faces is less than or equal to the axial distance of piston cylinder.When Practical manufacturing, this spline housing gear 8 mainly forms by lining 23 with spline housing gear 8 gear teeth 24 that lining 23 is connected as a single entity, axial direction along lining 23 on the inwall of lining 23 offers the keyway that can be connected with splined shaft 7 key teeth, on lining 23, be also installed with shifting slide gear 1, shifting slide gear 2 11, on main shaft 5, fixed cover is provided with change-speed gearing 1, change-speed gearing 2 13 and change-speed gearing 3 14, change-speed gearing 1 can be meshed with shifting slide gear 1, change-speed gearing 2 13 can be meshed with shifting slide gear 2 11, change-speed gearing 3 14 can be meshed with the gear teeth 24 of spline housing gear 8, the axial direction of the upper end edge splined shaft 7 of splined shaft 7 radially offers targeting port 25, and the lower end of pull bar 9 puts in targeting port 25, at the inserting end of pull bar 9, by bearing pin 26 and lining 23, is connected mutually.
Between spline housing gear 8 and splined shaft 7, be provided with the fixed structure that spline housing gear 8 is located on splined shaft 7, this fixed structure mainly on lining 23 one end outer walls along the spaced apart locating hole 27 that is radially run through above-mentioned shifting slide gear one 10 bodies by several that is provided with of circumferencial direction of lining 23, in locating hole 27, be provided with locating core 28, the outer end of locating hole 27 is installed with baffle plate 29, between locating core 28 and baffle plate 29, be provided with elastic component 30, axial direction along splined shaft 7 on the outer wall of splined shaft 7 is arranged at intervals with locating slot 1, locating slot 2 32 and locating slot 3 33, when spline housing gear 8 moves on splined shaft 7, above-mentioned locating core 28 can hold out against in above-mentioned one of them locating slot, in cutter transmission control cabinet 3, be also provided with encoder 34, main shaft 5 is connected with the main shaft of encoder 34 by encoder gear 35.
Asphalt channel one fuel feeding, asphalt channel 2 19 and asphalt channel 3 20 be not during fuel feeding, above 17, piston in hydraulic channel 16 and 18 times square tube oil of drag link sleeve, under the effect of oil pressure, piston cylinder moves to the centre position of hydraulic channel 16, piston cylinder pushing drawing rod 9 moves downward, spline housing gear 8 is moved downward, when this spline housing gear 8 moves to the centre position of splined shaft 7, the locating core 28 being interval with along the circumferencial direction of lining 23 on lining 23 one end outer walls holds out against in locating slot 2 32, this change-speed gearing 1 is opened with shifting slide gear for one 10 minutes, change-speed gearing 2 13 is meshed with shifting slide gear 2 11, change-speed gearing 3 14 separates with the gear teeth 24 of spline housing gear 8, motor 4 transmissions are three to one to the speed ratio of main shaft 5, asphalt channel 2 19 fuel feeding, asphalt channel one and asphalt channel 3 20 be not during fuel feeding, 18 times square tube oil of drag link sleeve in hydraulic channel 16, under the effect of oil pressure, piston cylinder moves to the upper end position of hydraulic channel 16, piston cylinder pushing drawing rod 9 moves upward, spline housing gear 8 is moved upward, when this spline housing gear 8 moves to the upper end position of splined shaft 7, the locating core 28 being interval with along the circumferencial direction of lining 23 on lining 23 outer walls holds out against in locating slot 1, change-speed gearing 1 is meshed with shifting slide gear 1, change-speed gearing 2 13 leaves with shifting slide gear for 2 11 minutes, change-speed gearing 3 14 separates with the gear teeth 24 of spline housing gear 8, motor 4 transmissions are one to one to the speed ratio of main shaft 5, asphalt channel one and asphalt channel 3 20 be fuel feeding simultaneously, asphalt channel 2 19 is not during fuel feeding, square tube oil above piston cylinder in hydraulic channel 16 and on drag link sleeve 18, under the effect of oil pressure, piston cylinder moves to the lower end position of hydraulic channel 16, piston cylinder pushing drawing rod 9 moves downward, spline housing gear 8 is moved downward, when this spline housing gear 8 moves to the lower end position of splined shaft 7, the locating core 28 being interval with along the circumferencial direction of lining 23 on lining 23 outer walls holds out against in locating slot 3 33, change-speed gearing 1 leaves with shifting slide gear for one 10 minutes, change-speed gearing 2 13 leaves with shifting slide gear for 2 11 minutes, change-speed gearing 3 14 is meshed with the gear teeth 24 of spline housing gear 8, motor 4 transmissions are one to three to the speed ratio of main shaft 5.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various modifications or supplement or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Although more used herein: frame 1; Workbench 2; Cutter transmission control cabinet 3; Motor 4; Main shaft 5; Connector 6; Splined shaft 7; Spline housing gear 8; Pull bar 9; Shifting slide gear 1; Shifting slide gear 2 11; Change-speed gearing 1; Change-speed gearing 2 13; Change-speed gearing 3 14; Hydraulic valve body 15; Hydraulic channel 16; Piston 17; Drag link sleeve 18; Asphalt channel 2 19; Asphalt channel 3 20; Branch road 1; Branch road 2 22; Lining 23; The gear teeth 24; Targeting port 25; Bearing pin 26; Locating hole 27; Locating core 28; Baffle plate 29; Elastic component 30; Locating slot 1; Locating slot 2 32; Locating slot 3 33; Encoder 34; Encoder gear 35 terms such as grade, but do not get rid of the possibility of using other term.Use these terms to be only used to describe more easily and explain essence of the present invention; They are construed to any additional restriction is all contrary with spirit of the present invention.
Claims (8)
1. a Digit Control Machine Tool, comprise frame (1) and be arranged on the workbench (2) in frame (1), between described workbench (2) and frame (1), be provided with workbench (2) can be gone up along X-axis in frame (1), the linkage that Y direction moves, in the frame (1) relative with workbench (2), be provided with cutter transmission control cabinet (3), between described cutter transmission control cabinet (3) and frame (1), be provided with the oscilaltion device that cutter transmission control cabinet (3) is moved along the Z-direction of frame (1), it is characterized in that, in cutter transmission control cabinet (3), be provided with motor (4), in the cutter transmission control cabinet (3) being parallel to each other with the power transmission shaft of motor (4), be provided with main shaft (5), one end of main shaft (5) is stretched out cutter transmission control cabinet (3) downwards and at the external part of main shaft (5), is fixed with the connector (6) connecting for cutter, between the power transmission shaft of described main shaft (5) and motor (4), be provided with and control main shaft (5) self shifter and can make main shaft (5) reach the transmission device of three-step gear shift.
2. a kind of Digit Control Machine Tool according to claim 1, it is characterized in that, described transmission device is included in cutter transmission control cabinet (3) and above by bearing, is rotatably connected to splined shaft (7), described splined shaft (7) one end puts in cutter transmission control cabinet (3) and the inserting end of this splined shaft (7) is connected mutually with the power transmission shaft of above-mentioned motor (4), at the upper slip cap of splined shaft (7), be provided with spline housing gear (8), be positioned to be installed with on cutter transmission control cabinet (3) outer wall of splined shaft (7) other end and can make spline housing gear (8) hydraulic means in axial sliding on splined shaft (7), pull bar in described hydraulic means (9) is connected with above-mentioned spline housing gear (8), between spline housing gear (8) and splined shaft (7), be provided with and make spline housing gear (8) at the fixed structure of the upper location of splined shaft (7), on spline housing gear (8), be also installed with shifting slide gear one (10), shifting slide gear two (11), at the upper fixed cover of main shaft (5), be provided with change-speed gearing one (12), change-speed gearing two (13) and change-speed gearing three (14), described change-speed gearing one (12) can be meshed with shifting slide gear one (10), described change-speed gearing two (13) can be meshed with shifting slide gear two (11), described change-speed gearing three (14) can be meshed with spline housing gear (8).
3. a kind of Digit Control Machine Tool according to claim 2, it is characterized in that, described hydraulic means is included on cutter transmission control cabinet (3) outer wall and is installed with hydraulic valve body (15), on hydraulic valve body (15), offer hydraulic channel (16), in described hydraulic channel (16), be provided with piston (17), the piston rod of piston (17) is connected mutually with the upper end of hydraulic valve body (15), above-mentioned pull bar (9) is connected mutually by drag link sleeve (18) and the piston cylinder of described piston (17), on the sidewall of hydraulic valve body (15), offer respectively the asphalt channel one that can make piston cylinder be placed in hydraulic channel (16) centre position, can make piston cylinder be placed in the asphalt channel two (19) of hydraulic channel (16) upper end position, can make piston cylinder be placed in hydraulic channel (16) lower end position asphalt channel three (20).
4. a kind of Digit Control Machine Tool according to claim 3, it is characterized in that, described asphalt channel one is included in the branch road one (21) of offering on hydraulic valve body (15) and the branch road two (22) being connected with branch road one (21), the outlet of described branch road one (21) is positioned at the upper end of hydraulic valve body (15), the outlet of described branch road two (22) is positioned at the lower end of hydraulic valve body (15), the outlet of described asphalt channel two (19) is positioned at the lower end of hydraulic valve body (15) and relative with the outlet of above-mentioned branch road two (22), the outlet of described asphalt channel three (20) is positioned at the medium position of hydraulic valve body (15), the distance of the outlet of this asphalt channel three (20) and hydraulic valve body (15) upper end end face is less than or equal to the axial distance of piston cylinder.
5. a kind of Digit Control Machine Tool according to claim 4, it is characterized in that, described spline housing gear (8) comprises lining (23) and spline housing gear (8) gear teeth (24) that are connected as a single entity with lining (23), axial direction along lining (23) on the inwall of lining (23) offers the keyway that can be connected with above-mentioned splined shaft (7) key tooth, and above-mentioned shifting slide gear one (10), shifting slide gear two (11) respectively fixed cover are located on the outer wall of above-mentioned lining (23).
6. a kind of Digit Control Machine Tool according to claim 5, it is characterized in that, the axial direction of the upper end edge splined shaft (7) of described splined shaft (7) radially offers targeting port (25), the lower end of above-mentioned pull bar (9) puts in targeting port (25), at the inserting end of pull bar (9), by bearing pin (26) and above-mentioned lining (23), is connected mutually.
7. a kind of Digit Control Machine Tool according to claim 5, it is characterized in that, described fixed structure is included on the outer wall of lining (23) one end the spaced apart locating hole (27) that is radially run through above-mentioned shifting slide gear one (10) body by several that is provided with of circumferencial direction along lining (23), in locating hole (27), be provided with locating core (28), the outer end of described locating hole (27) is installed with baffle plate (29), between described locating core (28) and baffle plate (29), be provided with elastic component (30), axial direction along splined shaft (7) on the outer wall of splined shaft (7) is arranged at intervals with locating slot one (31), locating slot two (32) and locating slot three (33), spline housing gear (8) above-mentioned locating core (28) when splined shaft (7) is upper mobile can hold out against in above-mentioned one of them locating slot.
8. a kind of Digit Control Machine Tool according to claim 1, is characterized in that, in described cutter transmission control cabinet (3), is also provided with encoder (34), and described main shaft (5) is connected with the main shaft of encoder (34) by encoder gear (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410000723.1A CN103753332B (en) | 2014-01-02 | 2014-01-02 | A kind of Digit Control Machine Tool |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410000723.1A CN103753332B (en) | 2014-01-02 | 2014-01-02 | A kind of Digit Control Machine Tool |
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| CN103753332A true CN103753332A (en) | 2014-04-30 |
| CN103753332B CN103753332B (en) | 2016-09-21 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105252267A (en) * | 2015-10-12 | 2016-01-20 | 苏州特铭精密科技有限公司 | Press fitting equipment for assembling car panel |
| CN116944934A (en) * | 2023-09-20 | 2023-10-27 | 雷亿尔精密机械科技(常州)有限公司 | Machine tool square ram main shaft transmission mechanism |
Citations (8)
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| CN102922355A (en) * | 2012-10-19 | 2013-02-13 | 桂林机床股份有限公司 | Ram type main transmission mechanism for milling machine |
| CN203665180U (en) * | 2014-01-02 | 2014-06-25 | 台州飞达机床有限公司 | Numerical-control machine tool |
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| US3273413A (en) * | 1963-08-28 | 1966-09-20 | Kearney & Trecker Corp | Transmission with automatic meshing control |
| US5992267A (en) * | 1998-10-26 | 1999-11-30 | Eaton Corporation | Robust control for three-position transmission shift actuator assembly |
| CN2644084Y (en) * | 2003-09-03 | 2004-09-29 | 沈阳第一机床厂 | Electromagnetic clutch shifter |
| CN201281123Y (en) * | 2008-09-10 | 2009-07-29 | 济南二机床集团有限公司 | III-gear speed changing hydraulic shifting cylinder |
| CN101377237A (en) * | 2008-10-09 | 2009-03-04 | 济南二机床集团有限公司 | Hydraulic speed regulating device |
| CN201291386Y (en) * | 2008-10-23 | 2009-08-19 | 安阳鑫盛机床股份有限公司 | Three-position oil cylinder apparatus |
| CN102922355A (en) * | 2012-10-19 | 2013-02-13 | 桂林机床股份有限公司 | Ram type main transmission mechanism for milling machine |
| CN203665180U (en) * | 2014-01-02 | 2014-06-25 | 台州飞达机床有限公司 | Numerical-control machine tool |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105252267A (en) * | 2015-10-12 | 2016-01-20 | 苏州特铭精密科技有限公司 | Press fitting equipment for assembling car panel |
| CN116944934A (en) * | 2023-09-20 | 2023-10-27 | 雷亿尔精密机械科技(常州)有限公司 | Machine tool square ram main shaft transmission mechanism |
| CN116944934B (en) * | 2023-09-20 | 2023-11-21 | 雷亿尔精密机械科技(常州)有限公司 | Machine tool square ram main shaft transmission mechanism |
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|---|---|
| CN103753332B (en) | 2016-09-21 |
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