CN103753332B - A kind of Digit Control Machine Tool - Google Patents
A kind of Digit Control Machine Tool Download PDFInfo
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- CN103753332B CN103753332B CN201410000723.1A CN201410000723A CN103753332B CN 103753332 B CN103753332 B CN 103753332B CN 201410000723 A CN201410000723 A CN 201410000723A CN 103753332 B CN103753332 B CN 103753332B
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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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- Mechanical Engineering (AREA)
- Gear-Shifting Mechanisms (AREA)
- Structure Of Transmissions (AREA)
Abstract
The invention provides a kind of Digit Control Machine Tool, belong to mechanical equipment technical field.The moment passing to main shaft when it solving existing electric machine of numerically controlled machine low speed does not reaches processing request, the problem that machining accuracy is low.This Digit Control Machine Tool, including frame and the workbench being arranged in frame, linkage it is provided with between workbench and frame, cutter transmission control chamber it is provided with in the frame relative with workbench, it is provided with oscilaltion device between cutter transmission control chamber and frame, it is provided with motor in cutter transmission control chamber, it is provided with main shaft in the cutter transmission control chamber being parallel to each other with the power transmission shaft of motor, one end of main shaft extends downwardly from cutter transmission control chamber and is fixed with the union joint connected for cutter at the external part of main shaft, actuating device it is provided with between main shaft and the power transmission shaft of motor.The present invention can improve machining accuracy；Motor can be made by gear to pass to the moment of main shaft than regulation more stable.
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 equipped with program control system, this control system can logically process has control coding or other symbolic instruction established procedures, and decoded, represent by the numeral of code, input numerical control device by information carrier, sent various control signal through calculation process by numerical control device, control the running of lathe, shape and size by drawing, automatically process part.Digit Control Machine Tool preferably solves the part processing problems of complexity, precision, small lot, multi items, is a kind of flexibility, dynamical automated machine tool, and the development representing modern machine control technology is sent to, and is a kind of typical electromechanical integrated product.
Digit Control Machine Tool is mainly characterized in that: one compared with machine tool, strong adaptability to processing object, adapts to the feature that the single products such as mould produce, and the manufacture for mould provides suitable processing method；Two, machining accuracy is high, has stable crudy；Three, the linkage of multi-coordinate, the part that energy machining shape is complicated can be carried out；Four, when processing part changes, typically have only to change numerical control program, the Operational preparation time can be saved；Five, the precision of this province of lathe is high, rigidity is big, optional favourable machining dosage, and production efficiency is high；Six, Machinery Tool Automation degree is high, can reduce labor intensity；Seven, being conducive to the sophisticated equipment of production management, Digit Control Machine Tool uses digital information and standard code to process, transmission information, employs computer control method, lays a good foundation for computer-aided design, manufacture and management integration；Eight, higher to the competency profiling of operator, the technology of maintainer is required higher；Nine, reliability is high.
The workbench of general Digit Control Machine Tool can be along X-axis in frame, Y direction moves, make workbench along X-axis in frame, the linkage that Y direction moves is generally: be installed with motor in frame and Y-axis screw mandrel that the motor shaft with motor is fixedly connected with, frame is 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.Cutter transmission control chamber it is provided with in the frame relative with workbench, the oscilaltion device making cutter transmission control chamber move it is provided with along the Z-direction of frame between described cutter transmission control chamber and frame, this oscilaltion device is typically installed with motor in frame and is fixedly connected with and is provided with straight down Z axis screw mandrel with electric machine main shaft, and described cutter transmission control chamber is fixed on Z axis screw mandrel by Z axis feed screw nut's spiral and cutter transmission control chamber can be made to move along the axial direction of Z axis screw mandrel.In above-mentioned Digit Control Machine Tool, the main shaft connecting cutter in this cutter transmission control chamber typically directly couples with motor shaft, like that cannot gearshift adjustment between main shaft and motor shaft, the moment passing to main shaft when motor low speed does not reaches processing request, thus affect machining accuracy, make Digit Control Machine Tool the strongest to the suitability of Product processing.
Summary of the invention
It is an object of the invention to there are the problems referred to above for existing technology, it is proposed that a kind of make the main shaft of connection cutter and motor transmission shaft can automatically carry out three-step gear shift, make the higher Digit Control Machine Tool of processing precision of products.
nullThe purpose of the present invention can be realized by following technical proposal: a kind of Digit Control Machine Tool，Including frame and the workbench being arranged in frame，It is provided with between described workbench and frame and makes the workbench can be along X-axis in frame、The linkage that Y direction moves，Cutter transmission control chamber it is provided with in the frame relative with workbench，The oscilaltion device making cutter transmission control chamber move it is provided with along the Z-direction of frame between described cutter transmission control chamber and frame，It is characterized in that，It is provided with motor in cutter transmission control chamber，It is provided with main shaft in the cutter transmission control chamber being parallel to each other with the power transmission shaft of motor，One end of main shaft extends downwardly from cutter transmission control chamber and is fixed with the union joint connected for cutter at the external part of main shaft，It is provided with control main shaft self shifter between described main shaft and the power transmission shaft of motor and main shaft can be made to reach the actuating device of three-step gear shift.
Digit Control Machine Tool is mainly provided with actuating device between main shaft and the power transmission shaft of motor, by the improvement of actuating device makes the main shaft of connection cutter can automatically carry out three-step gear shift with motor transmission shaft, this actuating device reaches automatically to carry out, by hydraulic means, the requirement that three-step gear shift is mutually changed, this hydraulic means is connected with control chamber, by the operation of control chamber just can make main shaft select suitable rotating speed to process, improve machining accuracy, it is achieved automation mechanized operation；Above-mentioned linkage, oscilaltion device are identical with the structure provided in background technology.
nullIn above-mentioned a kind of Digit Control Machine Tool，Described actuating device is included on cutter transmission control chamber and is rotatably connected to splined shaft by bearing，Described splined shaft one end puts in cutter transmission control chamber and the inserting end of this splined shaft is fixedly connected with the power transmission shaft of above-mentioned motor，On splined shaft, slip cap is provided with spline housing gear，It is positioned on the cutter transmission control chamber outer wall of the splined shaft other end to be installed with 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，The fixed structure making spline housing gear position on splined shaft it is provided with between spline housing gear and splined shaft，Spline housing gear is fixedly provided 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 drive spline housing gear along splined shaft axially-movable, motion of main shaft have three kinds of situations, one: during general rotating speed, two: ensure main shaft still moment when the slow-speed of revolution, three: 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；Ensureing main shaft still 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 chamber outer wall and is installed with hydraulic valve body, hydraulic valve body offers hydraulic channel, it is provided with piston in described hydraulic channel, the piston rod of piston is fixedly connected with the upper end of hydraulic valve body, above-mentioned pull bar is fixedly connected with by the piston cylinder of drag link sleeve with described piston, the sidewall of hydraulic valve body offers asphalt channel one that piston cylinder can be made to be placed in hydraulic channel centre position respectively, piston cylinder can be made to be placed in the asphalt channel two of hydraulic channel upper end position, piston cylinder can be made to 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 offered 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 includes lining and the spline housing gear tooth being connected as a single entity with lining, on the inwall of lining, the axial direction along lining offers the keyway being connected with above-mentioned spline axle key tooth, and above-mentioned shifting slide gear one, shifting slide gear two fixed cover respectively are located on the outer wall of above-mentioned lining.This shifting slide gear one, shifting slide gear two is overlapped mutually and is socketed on lining, should be by shifting slide gear one, and shifting slide gear one, both shifting slide gears two are fixed on lining by shifting slide gear two jump ring.
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, and the inserting end at pull bar is fixedly connected with above-mentioned lining by bearing pin.
In above-mentioned a kind of Digit Control Machine Tool, described fixed structure is included on the outer wall of lining one end spaced apart being provided with of the circumferencial direction along lining and is extended radially through the hole, location of above-mentioned shifting slide gear one body by several, it is provided with locating core in hole, location, the outer end in hole, described location is installed with baffle plate, it is provided with elastic component between described locating core and baffle plate, on the outer wall of splined shaft, the axial direction along splined shaft is arranged at intervals with locating slot one, locating slot two and locating slot three, the locating core above-mentioned when moving on splined shaft of spline housing gear can hold out against in one of them locating slot above-mentioned.
In above-mentioned a kind of Digit Control Machine Tool, being additionally provided with encoder in described cutter transmission control chamber, 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 control main shaft self shifter between main shaft and the power transmission shaft of motor and main shaft can be made to reach the actuating device of three-step gear shift, this actuating device is provided with hydraulic means, can regulate change-speed gearing one by hydraulic means can be 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, separate position, 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, motor-driven to the speed ratio of main shaft be three than be applicable to for the moment the speed of mainshaft low when processing, the present invention can improve the machining accuracy to part；Motor can be made by gear to pass to the moment of main shaft than regulation 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 chamber in this Digit Control Machine Tool.
In figure, 1, frame；2, workbench；3, cutter transmission control chamber；4, motor；5, main shaft；6, union joint；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, hole, location；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.
Detailed description of the invention
The following is the specific embodiment of the present invention and combine accompanying drawing, technical scheme is further described, but the present invention is not limited to these embodiments.
As shown in Figure 1 or 2, this Digit Control Machine Tool is mainly made up of frame 1 and the workbench 2 being arranged in frame 1, the linkage making workbench 2 can move in frame 1 it is provided with along X-axis, Y direction between workbench 2 and frame 1, this linkage is that the linkage in prior art, with background technology is essentially identical；Cutter transmission control chamber 3 it is provided with in the frame 1 relative with workbench 2, the oscilaltion device making cutter transmission control chamber 3 move it is provided with along the Z-direction of frame 1 between cutter transmission control chamber 3 and frame 1, this oscilaltion device is that the linkage in prior art, with background technology is essentially identical；nullIt is provided with motor 4 in cutter transmission control chamber 3，It is provided with main shaft 5 in the cutter transmission control chamber 3 being parallel to each other with the power transmission shaft of motor 4，One end of main shaft 5 extends downwardly from cutter transmission control chamber 3 and is fixed with the union joint 6 connected for cutter at the external part of main shaft 5，It is provided with control main shaft 5 self shifter between the power transmission shaft of main shaft 5 and motor 4 and main shaft 5 can be made to reach the actuating device of three-step gear shift，The primary structure of this actuating device is: be mainly rotatably connected to splined shaft 7 by bearing on cutter transmission control chamber 3，In splined shaft 7 one end puts in cutter transmission control chamber 3 and the inserting end of this splined shaft 7 is fixedly connected with the power transmission shaft of above-mentioned motor 4，On splined shaft 7, slip cap is provided with spline housing gear 8，It is positioned on cutter transmission control chamber 3 outer wall of splined shaft 7 other end to be installed with 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 chamber 3 outer wall，Hydraulic valve body 15 offers hydraulic channel 16，Piston 17 it is provided with in hydraulic channel 16，The piston rod of piston 17 is fixedly connected with the upper end of hydraulic valve body 15，Pull bar 9 it is provided with in hydraulic channel 16，One end of this pull bar 9 is fixedly connected with by the piston cylinder of drag link sleeve 18 with piston 17，The sidewall of hydraulic valve body 15 offers asphalt channel one that piston cylinder can be made to be placed in hydraulic channel 16 centre position respectively、Piston cylinder can be made to be placed in the asphalt channel 2 19 of hydraulic channel 16 upper end position、Piston cylinder can be made to be placed in hydraulic channel 16 lower end position asphalt channel 3 20；Asphalt channel one is included on hydraulic valve body 15 branch road 1 offered 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 face is less than or equal to the axial distance of piston cylinder.When reality manufactures, this spline housing gear 8 is mainly made up of lining 23 and spline housing gear 8 gear teeth 24 being connected as a single entity with lining 23, on the inwall of lining 23, the axial direction along lining 23 offers the keyway being connected with splined shaft 7 key tooth, lining 23 is fixedly provided 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, and the inserting end at pull bar 9 is fixedly connected with lining 23 by bearing pin 26.
The fixed structure making spline housing gear 8 position on splined shaft 7 it is provided with between spline housing gear 8 and splined shaft 7, this fixed structure is mainly extended radially through the hole, location 27 of above-mentioned shifting slide gear 1 body along spaced apart being provided with of the circumferencial direction of lining 23 by several on the outer wall of lining 23 one end, it is provided with locating core 28 in hole 27, location, the outer end in hole 27, location is installed with baffle plate 29, elastic component 30 it is provided with between locating core 28 and baffle plate 29, on the outer wall of splined shaft 7, the axial direction along splined shaft 7 is arranged at intervals with locating slot 1, locating slot 2 32 and locating slot 3 33, the locating core 28 above-mentioned when moving on splined shaft 7 of spline housing gear 8 can hold out against in one of them locating slot above-mentioned；Being additionally provided with encoder 34 in cutter transmission control chamber 3, main shaft 5 is connected by the main shaft of encoder gear 35 with encoder 34.
Asphalt channel one fuel feeding, when asphalt channel 2 19 and asphalt channel 3 20 not fuel feeding, with 18 times square tube oil of drag link sleeve above 17, piston in hydraulic channel 16, 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 made to move 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 the outer wall of lining 23 one end holds out against in locating slot 2 32, this change-speed gearing 1 is opened with shifting slide gear one 10 points, 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 transmission is three to one to the speed ratio of main shaft 5；Asphalt channel 2 19 fuel feeding, when asphalt channel one and asphalt channel 3 20 not 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 made to move 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 wall 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 2 11 points, change-speed gearing 3 14 separates with the gear teeth 24 of spline housing gear 8, motor 4 transmission is one to one to the speed ratio of main shaft 5；Asphalt channel one and asphalt channel 3 20 fuel feeding simultaneously, during asphalt channel 2 19 not fuel feeding, with square tube oil on drag link sleeve 18 above piston cylinder in hydraulic channel 16, 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 made to move 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 wall holds out against in locating slot 3 33, change-speed gearing 1 leaves with shifting slide gear one 10 points, change-speed gearing 2 13 leaves with shifting slide gear 2 11 points, change-speed gearing 3 14 is meshed with the gear teeth 24 of spline housing gear 8, motor 4 transmission is one to three to the speed ratio of main shaft 5.
Specific embodiment described herein is only to present invention spirit explanation for example.Described specific embodiment can be made various amendment or supplements or use similar mode to substitute by those skilled in the art, but without departing from the spirit of the present invention or surmount scope defined in appended claims.
Although the most more employing: frame 1；Workbench 2；Cutter transmission control chamber 3；Motor 4；Main shaft 5；Union joint 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；Hole 27, location；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 term such as grade, but it is not precluded from using the probability of other term.Use these terms to be only used to more easily to describe and explain the essence of the present invention；It is all contrary with spirit of the present invention for being construed as any additional restriction.
Claims (7)
- null1. a Digit Control Machine Tool，Including frame (1) and the workbench (2) that is arranged in frame (1)，It is provided with between described workbench (2) and frame (1) and makes the workbench (2) can be along X-axis in frame (1)、The linkage that Y direction moves，It is provided with cutter transmission control chamber (3) in the frame (1) relative with workbench (2)，The oscilaltion device making cutter transmission control chamber (3) move it is provided with along the Z-direction of frame (1) between described cutter transmission control chamber (3) and frame (1)，It is characterized in that，Motor (4) it is provided with in cutter transmission control chamber (3)，It is provided with main shaft (5) in cutter transmission control chamber (3) being parallel to each other with the power transmission shaft of motor (4)，One end of main shaft (5) extends downwardly from cutter transmission control chamber (3) and is fixed with the union joint (6) connected for cutter at the external part of main shaft (5)，The actuating device controlling main shaft (5) self shifter and main shaft (5) being made to reach three-step gear shift it is provided with between described main shaft (5) and the power transmission shaft of motor (4),Described actuating device is included on cutter transmission control chamber (3) and is rotatably connected to splined shaft (7) by bearing，Described splined shaft (7) one end puts in cutter transmission control chamber (3) and the inserting end of this splined shaft (7) is fixedly connected with the power transmission shaft of above-mentioned motor (4)，It is provided with spline housing gear (8) at the upper slip cap of splined shaft (7)，It is positioned on cutter transmission control chamber (3) outer wall of splined shaft (7) other end to be installed with and can make spline housing gear (8) hydraulic means in axial sliding on splined shaft (7)，Pull bar (9) in described hydraulic means is connected with above-mentioned spline housing gear (8)，The fixed structure making spline housing gear (8) in the upper location of splined shaft (7) it is provided with between spline housing gear (8) and splined shaft (7)，Spline housing gear (8) is fixedly provided with shifting slide gear one (10)、Shifting slide gear two (11)，It is provided with change-speed gearing one (12) at the upper fixed cover of main shaft (5)、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).
- nullA kind of Digit Control Machine Tool the most according to claim 1，It is characterized in that，Described hydraulic means is included on cutter transmission control chamber (3) outer wall and is installed with hydraulic valve body (15)，Hydraulic valve body (15) offers hydraulic channel (16)，It is provided with piston (17) in described hydraulic channel (16)，The piston rod of piston (17) is fixedly connected with the upper end of hydraulic valve body (15)，Above-mentioned pull bar (9) is fixedly connected with by the piston cylinder of drag link sleeve (18) with described piston (17)，The sidewall of hydraulic valve body (15) offers asphalt channel one that piston cylinder can be made to be placed in hydraulic channel (16) centre position respectively、Piston cylinder can be made to be placed in the asphalt channel two (19) of hydraulic channel (16) upper end position、Piston cylinder can be made to be placed in hydraulic channel (16) lower end position asphalt channel three (20).
- A kind of Digit Control Machine Tool the most according to claim 2, it is characterized in that, described asphalt channel one is included on hydraulic valve body (15) branch road one (21) offered 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.
- A kind of Digit Control Machine Tool the most according to claim 3, it is characterized in that, described spline housing gear (8) includes lining (23) and spline housing gear (8) gear teeth (24) being connected as a single entity with lining (23), on the inwall of lining (23), the axial direction along lining (23) offers the keyway being connected with above-mentioned splined shaft (7) key tooth, and above-mentioned shifting slide gear one (10), shifting slide gear two (11) fixed cover respectively are located on the outer wall of above-mentioned lining (23).
- A kind of Digit Control Machine Tool the most according to claim 4, 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), and the inserting end at pull bar (9) is fixedly connected with above-mentioned lining (23) by bearing pin (26).
- nullA kind of Digit Control Machine Tool the most according to claim 5，It is characterized in that，Described fixed structure is included on the outer wall of lining (23) one end spaced apart being provided with of the circumferencial direction along lining (23) and is extended radially through the hole, location (27) of above-mentioned shifting slide gear one (10) body by several，It is provided with locating core (28) in hole, location (27)，The outer end in hole, described location (27) is installed with baffle plate (29)，It is provided with elastic component (30) between described locating core (28) and baffle plate (29)，On the outer wall of splined shaft (7), the axial direction along 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) locating core (28) above-mentioned when splined shaft (7) is upper mobile can hold out against in one of them locating slot above-mentioned.
- A kind of Digit Control Machine Tool the most according to claim 1, it is characterised in that being additionally provided with encoder (34) in described cutter transmission control chamber (3), described main shaft (5) is connected by the main shaft of encoder gear (35) with encoder (34).
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 CN103753332A (en) | 2014-04-30 |
| CN103753332B true CN103753332B (en) | 2016-09-21 |
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| 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 |
| 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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| Publication number | Priority date | Publication date | Assignee | Title |
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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 |
| CN101377237B (en) * | 2008-10-09 | 2011-12-14 | 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 |
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