CN213729335U - Numerical control lathe with steel-embedded guide rail and integral flat lathe bed - Google Patents
Numerical control lathe with steel-embedded guide rail and integral flat lathe bed Download PDFInfo
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- CN213729335U CN213729335U CN202021277493.0U CN202021277493U CN213729335U CN 213729335 U CN213729335 U CN 213729335U CN 202021277493 U CN202021277493 U CN 202021277493U CN 213729335 U CN213729335 U CN 213729335U
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Abstract
A numerical control lathe with an integral flat lathe bed with steel-inlaid guide rails is characterized in that a headstock part of a main transmission system is arranged at the front part of a main body lathe bed part, a tailstock part for fixing and supporting workpieces is arranged at the rear part of the main body lathe bed part, a tool rest part for fixing a tool is arranged on an X-axis transmission saddle part moving in the cutting diameter direction, a lubricating part mainly based on headstock lubrication and guide rail lead screw lubrication is arranged on the side surface of the headstock part of the main transmission system, a Z-axis transmission feeding part moving in the cutting length direction is arranged on the side surface of the headstock part of the main transmission system, and a cooling and chip removal part for processing and cooling is arranged on the main body lathe bed part; the invention has the advantages that: the practicability and the reliability of the machine tool are improved, the wear resistance is stronger, the service life of the whole machine tool is prolonged, and the machining precision of the machine tool is improved to a greater extent. The stability and rigidity of the lathe bed are improved, and the machining precision of the lathe bed is correspondingly machined due to the adoption of integral machining.
Description
Technical Field
The utility model relates to a lathe structure field, in particular to inlay whole flat lathe bed numerical control lathe of steel guide rail.
Background
The flat lathe bed is widely applied to the field of machining, the flat lathe bed is an important component of a lathe, the flat lathe bed used by people at present is not good enough in some places, the precision of the lathe can be influenced after the flat lathe bed is used for a long time, the flat lathe bed does not have a good method in the aspect of automatic chip recovery, and the existing flat lathe bed numerical control lathe can only collect chips manually by an operator, so that time and labor are wasted.
SUMMERY OF THE UTILITY MODEL
The utility model aims at further perfecting and solving flat bed body numerical control lathe's defect to and promote numerical control lathe's wholeness ability, improve the practicality and the reliability of lathe, attack the difficult problem that current flat bed body numerical control lathe can not solve simultaneously, provide a whole flat bed body numerical control lathe of steel-inlaid guide rail specially.
The utility model provides a inlay whole flat lathe bed numerical control lathe of steel guide rail, its characterized in that: the integral flat-bed numerically controlled lathe with the steel-inlaid guide rail comprises a main lathe body device, a main transmission system headstock device, a tailstock device for fixing and supporting a workpiece, a tool rest device for fixing a tool, an X-axis transmission saddle device moving in the cutting diameter direction, a lubricating device mainly based on headstock lubrication and guide rail lead screw lubrication, a Z-axis transmission feeding device moving in the cutting length direction, a cooling and chip removal device for processing cooling, and a main output motor device mainly based on power of a hydraulic device with a hydraulic chuck as a main power source;
wherein: the main transmission system headstock device is arranged at the front part of the main body lathe bed device, the tailstock device for fixing and auxiliary supporting a workpiece is arranged at the rear part of the main body lathe bed device, the tool rest device for fixing a tool is arranged on the X-axis transmission saddle device moving in the cutting diameter direction, the lubricating device mainly for headstock lubrication and guide rail lead screw lubrication is arranged on the side surface of the main transmission system headstock device, the Z-axis transmission feeding device moving in the cutting length direction is arranged on the side surface of the main transmission system headstock device, the cooling and chip removal device for processing and cooling is arranged on the main body lathe bed device, and the hydraulic device mainly comprising a hydraulic chuck and the main output main motor device for power are arranged on the main body lathe bed device;
the numerical control lathe finishes the turning process by the rotation of the main shaft and the movement of the feed shaft, a workpiece is clamped to the hydraulic chuck by the hydraulic device and is supported and fixed by the tail table body in an auxiliary way, the numerical control system executes the processing program, the main motor part starts to work and outputs corresponding rotating speed to drive the headstock device to work, the speed change is carried out through gear transmission to obtain the rotating speed required in the processing procedure, the main shaft works at the rotating speed, simultaneously drives the hydraulic chuck to work at the same rotating speed, simultaneously the workpiece can also rotate at the same rotating speed, an X-axis motor in the saddle device works, the slide plate and the tool rest are driven to move to the position in the machining program through an X-axis lead screw, meanwhile, the feeding device starts to work, the Z-axis motor drives the saddle device to move through the Z-axis lead screw, the cutter reaches a machining position, and then turning machining is completed through X, Z-axis linkage.
By changing the forms of the lathe bed and the guide rail, the structure of the headstock and other parameters, the precision of the machine tool, the cutting diameter of a workpiece and other parameters are improved, and the overall performance of the machine tool is greatly improved. Meanwhile, accessories such as wear-resistant strips, wear-resistant gaskets and the like are added through novel design structures, so that easily-worn parts of the machine tool are protected, and the problem that the more used parts of the machine tool, the larger the gap is solved. The X-axis of the machine tool is of an innovative structure, the rectangular steel-inlaid guide rail structure is matched with a pressing plate provided with an eccentric roller bearing, the novel composite guide rail structure is an innovative composite guide rail structure with pretightening force, the main bearing surface of the composite guide rail structure is matched in a sliding contact mode, the side resisting turnover moment is matched in a rolling contact mode with pretightening force, the problems that a traditional sliding guide rail panel pressing plate is provided with a matching gap and low in guiding precision are solved, and the composite guide rail structure has the advantages of high sliding guide rail contact rigidity and good anti-seismic property and has high guiding precision. In view of the shortcoming that the existing flat lathe bed does not have the function of automatically collecting chips, the structural design thoroughly solves the major defects of the flat lathe bed.
The main body lathe bed device comprises an integrated lathe bed, a large-angle chip removal surface, an L-shaped steel guide rail and a mountain-shaped steel guide rail;
wherein: the integrated lathe bed is provided with a large-angle chip removal surface, and an included acute angle between the integrated lathe bed and the ground is 35-60 degrees; and an L-shaped steel guide rail and a mountain-shaped steel guide rail are arranged at the top of the integrated lathe bed.
The steel-inlaid guide rail integral flat-bed numerically controlled lathe is characterized in that the X-axis adopts a steel-inlaid guide rail, is matched with a pressing plate provided with a first eccentric roller bearing and a second eccentric roller bearing, is fastened through a locking nut, is jointly arranged on a saddle, and the top of the saddle is provided with a sliding plate; the guide rail structure is an innovative composite guide rail structure with pretightening force, and the main bearing surface of the guide rail structure is in sliding contact fit, and the side resisting overturning moment is in rolling contact fit with pretightening force.
The numerical control lathe with the steel-inlaid guide rail and the integral flat lathe bed adopts a chain type automatic chip remover structure.
The front and rear pressure plates adopt wear-resistant strips as contact surfaces, the wear-resistant strips are free of lubrication and maintenance, and direct friction of iron to iron can be avoided.
A thrust washer is additionally arranged between the hand wheel at the tail of the bed and the flange plate, so that long-time friction between the hand wheel and the flange plate is avoided.
The rear part of the X axis is connected with a tow line by a metal hose.
The Z-axis nut seat split structure is characterized in that an adjusting pad is additionally arranged between the nut seat and the lathe bed, so that the adjustment of two degrees of freedom can be realized.
The flat lathe bed is widely applied to the field of machining, the flat lathe bed is an important component of a lathe, the flat lathe bed used by people at present is not good enough in some places, the precision of the lathe can be influenced after the flat lathe bed is used for a long time, the flat lathe bed does not have a good method in the aspect of automatic chip recovery, and the existing flat lathe bed numerical control lathe can only collect chips manually by an operator, so that time and labor are wasted.
The lathe bed and the saddle adopt the form of inlaying the steel guide rail, and the guide rail of X, Z axle of lathe becomes the steel guide rail by traditional cast iron guide rail promptly, and the effect that brings thereupon is that hardness is higher, the wearability is stronger, has increased holistic life, by a wide margin the machining precision of lathe has been improved.
The bed body is integrally cast and machined, and the split structure of the conventional flat bed body consisting of the front bed leg, the rear bed leg and the bed body is changed. Therefore, the stability and rigidity of the lathe bed are improved, and the machining precision of the lathe bed is correspondingly machined due to the adoption of integral machining.
Headstock and saddle adopt novel structure, compare the turning diameter that has increased the work piece with traditional structure.
The X axis of the machine tool adopts a rectangular steel-inlaid guide rail structure, and is matched with a pressing plate provided with an eccentric roller bearing, so that the X axis is an innovative composite guide rail structure with pretightening force, and the main bearing surface of the X axis is matched with the pressing plate in a sliding contact manner, and the side resisting the overturning moment is matched with the pressing plate in a rolling contact manner with pretightening force. The problem of there is fit clearance, direction precision not high in traditional sliding guide panel clamp plate is solved, both had the advantage that sliding guide contact rigidity is high, the shock resistance is good, had very high direction precision again.
The integral flat lathe bed structure with the large-angle chip removal surface is provided with the cooling water nozzle at the corresponding position for real-time punching and cutting, and the cooling motor with high power is arranged, so that chips are gathered and automatically discharged towards the automatic chip removal device at the side of an operator under the action of large-flow cooling liquid, and the problem that the chips of the numerical control lathe with the flat lathe bed cannot be automatically collected is fundamentally solved. Meanwhile, the periphery of the lathe bed is provided with a waterproof surrounding edge which is matched with an outer protection with a water guide inclined plane, so that the lathe has no water leakage phenomenon.
The front pressing plate and the rear pressing plate adopt the wear-resistant strip as a contact surface, the wear-resistant strip is free of lubrication and maintenance, direct friction of iron to iron can be directly avoided, a good protection effect is achieved on the contact surface of the pressing plate and the lathe bed, the service life is prolonged, and the reliability of the pressing plate is greatly improved.
A thrust washer is additionally arranged between a hand wheel at the tail of the bed and a flange plate, so that the problems that the hand wheel and the flange plate rub for a long time and the gap is gradually increased are solved, and the problem that the idle stroke of the rotary hand wheel is larger and larger is solved.
The rear part of the X axis is connected with a wire by a metal hose. The problem that the conventional corrugated pipe cannot resist high temperature is solved, and the problem that an inner pipeline of a processing area is polluted by cutting scraps and scratched is solved.
Because the Z-axis lead screw is longer, and the installation mode of fixing two ends is adopted, the two ends can bear axial force at the same time, the pretightening force of the lead screw can be properly improved, the supporting rigidity of the lead screw is improved, and meanwhile, the thermal deformation of the lead screw can be compensated. The diameter of the ball screw is increased so as to increase the dynamic load and static load capacity of the screw.
Because the X-axis screw rod is shorter and adopts a mode that one end is fixed and the other end is supported, the fixed end bearing can bear axial force and radial force, and the supporting end only bears radial force and can do micro axial floating, so that the bending caused by the dead weight of the screw rod can be reduced or avoided. The turning precision can be greatly improved by the design. Through the change of the installation of the two lead screws, the positioning precision and the repeated positioning progress of the machine tool are greatly improved, and the processing precision of the machine tool is greatly improved.
The Z-axis nut seat split structure can realize the adjustment of two degrees of freedom, can completely offset the manufacturing errors of a saddle and a slide carriage, and solves the problem of low assembling precision of the joint surface of the Z-axis screw nut.
The utility model has the advantages that:
inlay whole flat bed body numerical control lathe of steel guide rail, perfect and solved flat bed body numerical control lathe's defect, promote numerical control lathe's wholeness ability. The practicability and the reliability of the machine tool are improved. The lathe bed and the saddle adopt the form of inlaying the steel guide rail, and the guide rail of X, Z axle of lathe becomes the steel guide rail by traditional cast iron guide rail promptly, and the effect that brings thereupon is that hardness is higher, the wearability is stronger, has increased holistic life, by a wide margin the machining precision of lathe has been improved. The bed body is integrally cast and machined, and the split structure of the conventional flat bed body consisting of the front bed leg, the rear bed leg and the bed body is changed. The stability and rigidity of the lathe bed are improved, and the machining precision of the lathe bed is correspondingly machined due to the adoption of integral machining. Headstock and saddle adopt novel structure, compare the turning diameter that has increased the work piece with traditional structure.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and embodiments:
FIG. 1 is a schematic view of the whole machine;
FIG. 2 is a partial schematic view of the bed;
FIG. 3 is a partial schematic view of an eccentric roller bearing and platen configuration.
Detailed Description
Example 1
The bed body and the saddle are in the form of steel inlaid guide rails, namely, the guide rail of X, Z shaft of the machine tool is changed from a traditional cast iron guide rail into a steel guide rail. The steel guide rail, the lathe bed and the saddle are directly connected in a clamping mode, are fixed by screws and tightly attached, and are leveled and fixed by a special tool, so that the straightness and the parallelism of the guide rail are ensured.
The bed body is integrally cast and machined, and the split structure of the conventional flat bed body consisting of the front bed leg, the rear bed leg and the bed body is changed. Therefore, the stability and rigidity of the lathe bed are improved, and the machining precision of the lathe bed is correspondingly machined due to the adoption of integral machining.
Headstock and saddle adopt novel structure, change the main shaft position, increase the X axle stroke, and the installation of headstock and lathe bed also adopts novel mode, no longer adopts the bottom side to be the reference surface, and the mode that adopts screw and clamp plate is fixed around, adopts the locating pin location now, adopts the screw to fix in both sides and front. Compared with the traditional structure, the maximum turning diameter of the workpiece is increased, and the stability and rigidity of the headstock are improved.
The X shaft of the machine tool adopts a rectangular steel-inlaid guide rail structure, is matched with a pressing plate provided with an eccentric roller bearing, is connected with a sliding plate by utilizing the pressing plate, the sliding plate and the pressing plate are respectively contacted with the upper surface and the lower surface of the guide rail, the sliding plate is tightly combined by utilizing the eccentric roller bearing in the vertical direction, the bottom surface of the guide rail generates sliding friction with the eccentric roller bearing, the same principle is adopted in the horizontal direction, one side adopts the eccentric rolling bearing, the eccentric rolling bearing is adjusted to enable one side of the sliding plate to be tightly matched with the side surface of the guide rail, and the side surface of the guide rail at the other side forms rolling friction with the eccentric rolling bearing. The guide rail structure is an innovative composite guide rail structure with pretightening force, and the main bearing surface of the guide rail structure is in sliding contact fit, and the side resisting overturning moment is in rolling contact fit with pretightening force. The problem of there is fit clearance, direction precision not high in traditional sliding guide panel clamp plate is solved, both had the advantage that sliding guide contact rigidity is high, the shock resistance is good, had very high direction precision again.
The problem of the row of solving the lathe cut, traditional flat lathe bed does not possess automatic row and cuts the function, we design the chip removal face of wide angle at the basis of integral flat lathe bed structure to install a plurality of water jets at the relevant position and carry out real-time punching and cutting, and be equipped with high-power cooling motor, and be equipped with chain chip cleaner, the smear metal is gathered and automatic the discharge to the automatic chip cleaner of operator side under large-traffic coolant liquid effect, fundamentally has solved the unable automatic collection's of flat lathe bed numerical control lathe smear metal problem. Meanwhile, the periphery of the lathe bed is provided with a waterproof surrounding edge which is matched with an outer protection with a water guide inclined plane, so that the lathe has no water leakage phenomenon.
The lathe bed adopts integral casting and integral processing. The conventional flat lathe bed adopts a split structure of the front lathe leg, the rear lathe leg and the lathe bed, and is connected through screws, so that some installation errors and machining errors exist, and joints among all parts also have gaps, so that the rigidity and the shock resistance of the lathe bed can be influenced. The whole lathe bed is processed under a coordinate system by adopting an integral casting and integral processing mode. Therefore, the stability and rigidity of the lathe bed are improved, and the machining precision of the lathe bed is correspondingly machined due to the adoption of integral machining.
The front and the rear pressure plates adopt wear-resistant strips as contact surfaces. The conventional pressing plate adopts a mode that a pressing plate insert strip is in direct contact with a lathe bed, so that the gap between the pressing plate and the lathe bed is larger and larger in the long-time application process, the fastening capacity of a saddle is weakened gradually, and the precision of the lathe is influenced. A wear-resistant strip is added to a pressing plate insert, and the selected wear-resistant strip is free of lubrication and maintenance, so that direct friction of iron to iron can be directly avoided, a good protection effect is achieved on a contact surface of the pressing plate insert and a machine body, the service life and the pressing plate reliability are greatly improved, and the problems are fundamentally solved.
A thrust washer is added between the hand wheel at the tail of the bed and the flange. The conventional tailstock adopts the mode of ring flange and hand wheel lug connection, can cause ring flange and hand wheel to have great wearing and tearing like this, and we adopt the mode of adding the thrust packing ring between hand wheel and ring flange, this problem of result, the thrust packing ring of adoption be exempt from the lubrication, non-maintaining, adopt such mode, avoid hand wheel and ring flange long-time friction, the problem of clearance crescent has solved rotatory hand wheel idle running bigger and bigger problem.
The rear part of the X axis is connected with a wire by a metal hose. The upper end of the protection is connected with the X-axis motor protection cover through the metal hose, the protection cover is used for protecting pipelines such as cables, oil pipes and water pipes, the problem that a conventional corrugated pipe cannot resist high temperature is solved, and the problem that the pipelines in a processing area are polluted by cutting scraps and scratched is solved.
Because the Z-axis lead screw is longer, and the installation mode of fixing two ends is adopted, the two ends can bear axial force at the same time, the pretightening force of the lead screw can be properly improved, the supporting rigidity of the lead screw is improved, and meanwhile, the thermal deformation of the lead screw can be compensated. The diameter of the ball screw is increased so as to increase the dynamic load and static load capacity of the screw.
Because the X-axis screw rod is shorter and adopts a mode that one end is fixed and the other end is supported, the fixed end bearing can bear axial force and radial force, and the supporting end only bears radial force and can do micro axial floating, so that the bending caused by the dead weight of the screw rod can be reduced or avoided. The turning precision can be greatly improved by the design. Through the change of the installation of the two lead screws, the positioning precision and the repeated positioning progress of the machine tool are greatly improved, and the processing precision of the machine tool is greatly improved.
The Z-axis nut seat split structure is characterized in that an adjusting pad is additionally arranged on the nut seat and the lathe bed support, the adjusting pad is fixed through a screw and a positioning pin in the installation process, the thickness of the adjusting pad is adjusted to the center of the motor seat, the Z-axis screw rod nut seat can be adjusted freely, manufacturing errors of saddle guide surface scraping and slide carriage can be offset, parallelism errors of the installation end surface of the Z-axis nut and the joint surface of the nut seat are greatly reduced, and repeated positioning accuracy of the Z-axis screw rod is improved.
Example 2
The utility model provides a inlay whole flat lathe bed numerical control lathe of steel guide rail, its characterized in that: the integral flat-bed numerically controlled lathe with the steel-inlaid guide rail comprises a main lathe body device, a main transmission system headstock device, a tailstock device for fixing and supporting a workpiece, a tool rest device for fixing a tool, an X-axis transmission saddle device moving in the cutting diameter direction, a lubricating device mainly based on headstock lubrication and guide rail lead screw lubrication, a Z-axis transmission feeding device moving in the cutting length direction, a cooling and chip removal device for processing cooling, and a main output motor device mainly based on power of a hydraulic device with a hydraulic chuck as a main power source;
wherein: the main transmission system headstock device is arranged at the front part of the main body lathe bed device, the tailstock device for fixing and auxiliary supporting a workpiece is arranged at the rear part of the main body lathe bed device, the tool rest device for fixing a tool is arranged on the X-axis transmission saddle device moving in the cutting diameter direction, the lubricating device mainly for headstock lubrication and guide rail lead screw lubrication is arranged on the side surface of the main transmission system headstock device, the Z-axis transmission feeding device moving in the cutting length direction is arranged on the side surface of the main transmission system headstock device, the cooling and chip removal device for processing and cooling is arranged on the main body lathe bed device, and the hydraulic device mainly comprising a hydraulic chuck and the main output main motor device for power are arranged on the main body lathe bed device;
the numerical control lathe finishes the turning process by the rotation of the main shaft and the movement of the feed shaft, a workpiece is clamped to the hydraulic chuck by the hydraulic device and is supported and fixed by the tail table body in an auxiliary way, the numerical control system executes the processing program, the main motor part starts to work and outputs corresponding rotating speed to drive the headstock device to work, the speed change is carried out through gear transmission to obtain the rotating speed required in the processing procedure, the main shaft works at the rotating speed, simultaneously drives the hydraulic chuck to work at the same rotating speed, simultaneously the workpiece can also rotate at the same rotating speed, an X-axis motor in the saddle device works, the slide plate and the tool rest are driven to move to the position in the machining program through an X-axis lead screw, meanwhile, the feeding device starts to work, the Z-axis motor drives the saddle device to move through the Z-axis lead screw, the cutter reaches a machining position, and then turning machining is completed through X, Z-axis linkage.
By changing the forms of the lathe bed and the guide rail, the structure of the headstock and other parameters, the precision of the machine tool, the cutting diameter of a workpiece and other parameters are improved, and the overall performance of the machine tool is greatly improved. Meanwhile, accessories such as wear-resistant strips, wear-resistant gaskets and the like are added through novel design structures, so that easily-worn parts of the machine tool are protected, and the problem that the more used parts of the machine tool, the larger the gap is solved. The X-axis of the machine tool is of an innovative structure, the rectangular steel-inlaid guide rail structure is matched with a pressing plate provided with an eccentric roller bearing, the novel composite guide rail structure is an innovative composite guide rail structure with pretightening force, the main bearing surface of the composite guide rail structure is matched in a sliding contact mode, the side resisting turnover moment is matched in a rolling contact mode with pretightening force, the problems that a traditional sliding guide rail panel pressing plate is provided with a matching gap and low in guiding precision are solved, and the composite guide rail structure has the advantages of high sliding guide rail contact rigidity and good anti-seismic property and has high guiding precision. In view of the shortcoming that the existing flat lathe bed does not have the function of automatically collecting chips, the structural design thoroughly solves the major defects of the flat lathe bed.
The main body lathe bed device comprises an integrated lathe bed, a large-angle chip removal surface, an L-shaped steel guide rail and a mountain-shaped steel guide rail;
wherein: the integrated lathe bed is provided with a large-angle chip removal surface, and an included acute angle between the integrated lathe bed and the ground is 35-60 degrees; and an L-shaped steel guide rail and a mountain-shaped steel guide rail are arranged at the top of the integrated lathe bed.
The steel-inlaid guide rail integral flat-bed numerically controlled lathe is characterized in that the X-axis adopts a steel-inlaid guide rail, is matched with a pressing plate provided with a first eccentric roller bearing and a second eccentric roller bearing, is fastened through a locking nut, is jointly arranged on a saddle, and the top of the saddle is provided with a sliding plate; the guide rail structure is an innovative composite guide rail structure with pretightening force, and the main bearing surface of the guide rail structure is in sliding contact fit, and the side resisting overturning moment is in rolling contact fit with pretightening force.
The numerical control lathe with the steel-inlaid guide rail and the integral flat lathe bed adopts a chain type automatic chip remover structure.
The front and rear pressure plates adopt wear-resistant strips as contact surfaces, the wear-resistant strips are free of lubrication and maintenance, and direct friction of iron to iron can be avoided.
A thrust washer is additionally arranged between the hand wheel at the tail of the bed and the flange plate, so that long-time friction between the hand wheel and the flange plate is avoided.
The rear part of the X axis is connected with a tow line by a metal hose.
The Z-axis nut seat split structure is characterized in that an adjusting pad is additionally arranged between the nut seat and the lathe bed, so that the adjustment of two degrees of freedom can be realized.
The flat lathe bed is widely applied to the field of machining, the flat lathe bed is an important component of a lathe, the flat lathe bed used by people at present is not good enough in some places, the precision of the lathe can be influenced after the flat lathe bed is used for a long time, the flat lathe bed does not have a good method in the aspect of automatic chip recovery, and the existing flat lathe bed numerical control lathe can only collect chips manually by an operator, so that time and labor are wasted.
The lathe bed and the saddle adopt the form of inlaying the steel guide rail, and the guide rail of X, Z axle of lathe becomes the steel guide rail by traditional cast iron guide rail promptly, and the effect that brings thereupon is that hardness is higher, the wearability is stronger, has increased holistic life, by a wide margin the machining precision of lathe has been improved.
The bed body is integrally cast and machined, and the split structure of the conventional flat bed body consisting of the front bed leg, the rear bed leg and the bed body is changed. Therefore, the stability and rigidity of the lathe bed are improved, and the machining precision of the lathe bed is correspondingly machined due to the adoption of integral machining.
Headstock and saddle adopt novel structure, compare the turning diameter that has increased the work piece with traditional structure.
The X axis of the machine tool adopts a rectangular steel-inlaid guide rail structure, and is matched with a pressing plate provided with an eccentric roller bearing, so that the X axis is an innovative composite guide rail structure with pretightening force, and the main bearing surface of the X axis is matched with the pressing plate in a sliding contact manner, and the side resisting the overturning moment is matched with the pressing plate in a rolling contact manner with pretightening force. The problem of there is fit clearance, direction precision not high in traditional sliding guide panel clamp plate is solved, both had the advantage that sliding guide contact rigidity is high, the shock resistance is good, had very high direction precision again.
The integral flat lathe bed structure with the large-angle chip removal surface is provided with the cooling water nozzle at the corresponding position for real-time punching and cutting, and the cooling motor with high power is arranged, so that chips are gathered and automatically discharged towards the automatic chip removal device at the side of an operator under the action of large-flow cooling liquid, and the problem that the chips of the numerical control lathe with the flat lathe bed cannot be automatically collected is fundamentally solved. Meanwhile, the periphery of the lathe bed is provided with a waterproof surrounding edge which is matched with an outer protection with a water guide inclined plane, so that the lathe has no water leakage phenomenon.
The front pressing plate and the rear pressing plate adopt the wear-resistant strip as a contact surface, the wear-resistant strip is free of lubrication and maintenance, direct friction of iron to iron can be directly avoided, a good protection effect is achieved on the contact surface of the pressing plate and the lathe bed, the service life is prolonged, and the reliability of the pressing plate is greatly improved.
A thrust washer is additionally arranged between a hand wheel at the tail of the bed and a flange plate, so that the problems that the hand wheel and the flange plate rub for a long time and the gap is gradually increased are solved, and the problem that the idle stroke of the rotary hand wheel is larger and larger is solved.
The rear part of the X axis is connected with a wire by a metal hose. The problem that the conventional corrugated pipe cannot resist high temperature is solved, and the problem that an inner pipeline of a processing area is polluted by cutting scraps and scratched is solved.
Because the Z-axis lead screw is longer, and the installation mode of fixing two ends is adopted, the two ends can bear axial force at the same time, the pretightening force of the lead screw can be properly improved, the supporting rigidity of the lead screw is improved, and meanwhile, the thermal deformation of the lead screw can be compensated. The diameter of the ball screw is increased so as to increase the dynamic load and static load capacity of the screw.
Because the X-axis screw rod is shorter and adopts a mode that one end is fixed and the other end is supported, the fixed end bearing can bear axial force and radial force, and the supporting end only bears radial force and can do micro axial floating, so that the bending caused by the dead weight of the screw rod can be reduced or avoided. The turning precision can be greatly improved by the design. Through the change of the installation of the two lead screws, the positioning precision and the repeated positioning progress of the machine tool are greatly improved, and the processing precision of the machine tool is greatly improved.
The Z-axis nut seat split structure can realize the adjustment of two degrees of freedom, can completely offset the manufacturing errors of a saddle and a slide carriage, and solves the problem of low assembling precision of the joint surface of the Z-axis screw nut.
Claims (8)
1. The utility model provides an inlay whole flat lathe bed numerical control lathe of steel guide rail which characterized in that: the steel-inlaid guide rail integral flat-bed numerically controlled lathe comprises a main body lathe bed device (1), a main transmission system lathe head box device (2), a tailstock device (3) for fixing and supporting a workpiece in an auxiliary mode, a cutter rest device (4) for fixing a cutter, an X-axis transmission saddle device (5) moving in the cutting diameter direction, a lubricating device (6) mainly for lubricating the lathe head box and a guide rail screw rod, a Z-axis transmission feeding device (7) moving in the cutting length direction, a cooling and chip removal device (8) for processing and cooling, and a main output main motor device (10) mainly powered by a hydraulic device (9) with a hydraulic chuck as a main power;
wherein: the main transmission system headstock device (2) is arranged at the front part of the main body lathe bed device (1), a tailstock device (3) for fixing and supporting a workpiece in an auxiliary way is arranged at the rear part of the main body lathe bed device (1), a tool rest device (4) for fixing a tool is arranged on an X-axis transmission saddle device (5) moving in the cutting diameter direction, a lubricating device (6) mainly based on headstock lubrication and guide rail lead screw lubrication is arranged on the side surface of the headstock device (2) of the main transmission system, a Z-axis transmission feeding device (7) moving in the cutting length direction is arranged on the side surface of the main transmission system headstock device (2), a cooling and chip removal device (8) for processing and cooling is arranged on the main body lathe bed device (1), a hydraulic device (9) mainly comprising a hydraulic chuck and a main power output main motor device (10) are arranged on the main body lathe bed device (1).
2. The steel-tipped guide rail integral flat-bed numerically controlled lathe according to claim 1, characterized in that: the main body lathe bed device (1) comprises an integrated lathe bed (101), a large-angle chip removal surface (102), an L-shaped steel guide rail (103) and a mountain-shaped steel guide rail (104); wherein: the integrated lathe bed (101) is provided with a large-angle chip removal surface (102), and the included acute angle between the integrated lathe bed and the ground is 35-60 degrees; the top of the integrated lathe bed (101) is provided with an L-shaped steel guide rail (103) and a mountain-shaped steel guide rail (104).
3. The steel-tipped guide rail integral flat-bed numerically controlled lathe according to claim 1, characterized in that: the X-axis adopts a steel-inlaid guide rail (14), is matched with a pressure plate (13) provided with a first eccentric roller bearing (11) and a second eccentric roller bearing (12), is fastened through a locking nut (17), and is jointly arranged on a saddle (16), and the top of the X-axis is provided with a sliding plate (15).
4. The steel-tipped guide rail integral flat-bed numerically controlled lathe according to claim 1, characterized in that: adopts a chain type automatic chip cleaner structure.
5. The steel-tipped guide rail integral flat-bed numerically controlled lathe according to claim 1, characterized in that: the front and the rear pressure plates adopt wear-resistant strips as contact surfaces, the wear-resistant strips are free of lubrication and maintenance, and direct friction of iron to iron can be avoided.
6. The steel-tipped guide rail integral flat-bed numerically controlled lathe according to claim 1, characterized in that: a thrust washer is adopted between a hand wheel at the tail of the bed and a flange plate, so that long-time friction between the hand wheel and the flange plate is avoided.
7. The steel-tipped guide rail integral flat-bed numerically controlled lathe according to claim 1, characterized in that: the rear part of the X axis is connected with a wire by a metal hose.
8. The steel-tipped guide rail integral flat-bed numerically controlled lathe according to claim 1, characterized in that: on the Z axis, the nut seat is of a split structure, and an adjusting pad is additionally arranged between the nut seat and the lathe bed, so that the adjustment of two degrees of freedom can be realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021277493.0U CN213729335U (en) | 2020-07-03 | 2020-07-03 | Numerical control lathe with steel-embedded guide rail and integral flat lathe bed |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021277493.0U CN213729335U (en) | 2020-07-03 | 2020-07-03 | Numerical control lathe with steel-embedded guide rail and integral flat lathe bed |
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| CN213729335U true CN213729335U (en) | 2021-07-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111659905A (en) * | 2020-07-03 | 2020-09-15 | 沈阳大道机床有限公司 | Numerical control lathe with steel-embedded guide rail and integral flat lathe bed |
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- 2020-07-03 CN CN202021277493.0U patent/CN213729335U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111659905A (en) * | 2020-07-03 | 2020-09-15 | 沈阳大道机床有限公司 | Numerical control lathe with steel-embedded guide rail and integral flat lathe bed |
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| TR01 | Transfer of patent right |
Effective date of registration: 20240807 Address after: No. 16-2, Xihe Jiubei Street, Shenyang Economic and Technological Development Zone, Shenyang City, Liaoning Province, China 110000 Patentee after: Shenyang Avenue Ruizhi Machine Tool Partnership Enterprise (Limited Partnership) Country or region after: China Address before: 110000 no.16-4, Xihe jiubei street, Shenyang Economic and Technological Development Zone, Shenyang City, Liaoning Province Patentee before: Shenyang Dadao Machine Tool Co.,Ltd. Country or region before: China |