CN204868439U - Numerical control linear guide channel grinding device - Google Patents
Numerical control linear guide channel grinding device Download PDFInfo
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- CN204868439U CN204868439U CN201520556227.4U CN201520556227U CN204868439U CN 204868439 U CN204868439 U CN 204868439U CN 201520556227 U CN201520556227 U CN 201520556227U CN 204868439 U CN204868439 U CN 204868439U
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Abstract
The utility model discloses a numerical control linear guide channel grinding device, but its topmost characteristics lie in the single root length degree of grinding and are 7 meters linear guide, it mainly includes main lathe bed, the vice lathe bed in the left and right sides, X axle feed mechanism, X axial filament thick stick auxiliary stay mechanism, X axle workstation planker, the diamond dressing wheel trimmer, planer -type stand crossbeam, feed mechanism about the Y axle, emery wheel planker about the Y axle, grinding wheel spindle about the Y axle, Z axle feed mechanism, Z axle planker, the multi -functional main shaft of Z axle, operation control system and cooling circulation system. The utility model discloses numerical control linear guide channel grinding device's structure is succinctly optimized, low in manufacturing cost, and the focus is low, and the rigidity is good, and the range of work is big, and grinding excellent performance can effectively improve product grinding quality and production efficiency to the work piece of adaptable different length, big small dimension, effective reduction in production cost.
Description
Technical field
The utility model relates to a kind of raceway groove grinding attachment, particularly a kind of digital controlled linear guide rail raceway groove grinding attachment.
Background technology
Conventional line slideway raceway groove grinding attachment is mainly used in the raceway groove grinding to line slideway workpiece, and substantially can meet the raceway groove grinding requirement of general line slideway workpiece, primary structure has following two kinds:
The first, line slideway grinding length 4 meters or 6 meters, Y-axis adopts the structure of conventional grinding wheel spindle, drives grinding wheel spindle to rotate processing by common electric machine; And diamond roller dresser and grinding wheel spindle are arranged on same Y-axis planker, and diamond roller dresser carries drive unit, emery wheel during finishing, is driven to press close to emery wheel to repair; Workpiece planarization autogenous grinding device is arranged on the planer-type stand column and beam back side.Its relative feature is that crushing realizes with need with repairing, and both sides emery wheel can different size, makes full use of emery wheel, but its Y-axis structure relative complex, weight is large, and require higher to the control system of lathe, integrated cost is high.
The second, line slideway grinding length 4 meters or 6 meters, Y-axis also adopts the structure of conventional grinding wheel spindle, drives grinding wheel spindle to rotate processing by common electric machine; But diamond roller dresser is arranged on X-axis workbench; Workpiece planarization autogenous grinding device is arranged front with planer-type stand column and beam and is fixedly mounted on lathe bed.Its relative feature is that Y-axis structure is comparatively simple, reduces the requirement to control system, but its workpiece planarization autogenous grinding device profile is comparatively large and structure is more complicated, and longer needed for X-direction stroke, general floor space is larger.
Moreover, along with developing rapidly of machine industry in recent years, the market demand of line slideway is increasing, and for improving machine tool accuracy, length for whole guide rail is had higher requirement, and needed for the machining center of conventional about 3 meters, line slideway length is all more than 6 meters.
As everyone knows, the precision of spliced line slideway is less than single long line slideway, therefore above-mentioned two kinds of conventional line slideway raceway groove grinding attachments (range of work≤6 meter) can not meet the demand in market gradually completely.
Utility model content
For the problem existing for above-mentioned existing line slideway raceway groove grinding attachment, the purpose of this utility model is to provide a kind of digital controlled linear guide rail raceway groove grinding attachment; This apparatus structure is compact, stable and reliable for performance, machining accuracy is high, efficiency is high and the range of work large (Workpiece length can reach 7 meters).
In order to achieve the above object, the utility model adopts following technical scheme:
Digital controlled linear guide rail raceway groove grinding attachment, this device comprises main lathe bed, diamond roller dresser, planer-type stand column and beam, and it also comprises the left and right sides secondary lathe bed, X-axis feed mechanism, X-axis leading screw auxiliary support mechanism, X-axis workbench planker, the left and right feed mechanism of Y-axis, Y-axis left and right emery wheel planker, the left and right grinding wheel spindle of Y-axis, Z axis feed mechanism, Z axis planker, Z axis Multifunctional main shaft, operation control system;
Wherein, the secondary lathe bed in the described left and right sides is symmetricly set on main lathe bed both sides respectively; Described planer-type stand column and beam is located on main lathe bed;
What described X-axis feed mechanism matched with X-axis central lead screw auxiliary supporting structure is located on main lathe bed, and described X-axis workbench planker is located on main lathe bed by X-axis feed mechanism, and described diamond roller dresser is arranged on X-axis workbench planker;
The left and right feed mechanism of described Y-axis is symmetricly set in planer-type stand column and beam, and described Y-axis left and right emery wheel planker is separately positioned on the left and right feed mechanism of Y-axis, and the left and right grinding wheel spindle of described Y-axis is separately positioned on the left and right emery wheel planker of Y-axis;
Described Z axis feed mechanism is arranged in planer-type stand column and beam, and described Z axis planker is arranged on Z axis feed mechanism, and described Z axis Multifunctional main shaft is arranged on Z axis planker;
Described operation control system is arranged on main lathe bed.
In preferred embodiment of the present utility model, the secondary lathe bed structure in the described left and right sides is identical, is connected, and adjusts horizontal equally accurate by lathe bed micro-adjusting mechanism with main lathe bed.
Further, described X-axis feed mechanism comprises ball-screw, line slideway and servomotor, described ball-screw connects with servomotor, and described line slideway is arranged on the secondary lathe bed of main lathe bed and the left and right sides, and described ball-screw, line slideway also connect with X-axis workbench planker.
Further, described X-axis leading screw auxiliary support mechanism comprises line slideway, support component and guide post, and described support component is arranged on the two ends of ball-screw in X-axis feed mechanism, and is connected with guide post with line slideway.
Further, described diamond roller dresser mainly comprises emery wheel, dresser shaft, finishing motor, and described finishing motor drives dresser shaft to drive emery wheel to rotate and repairs.
Further, described Y-axis left and right feed mechanism symmetrical configuration is identical, comprise ball-screw, line slideway and servomotor, described ball-screw connects with servomotor, described line slideway is arranged in planer-type stand column and beam, and with ball-screw, servomotor is corresponding arranges, ball-screw, line slideway also connect with Y-axis left and right emery wheel planker.
Further, described Y-axis left and right emery wheel carriage structure symmetry is identical, and comprise emery wheel planker, location-plate and adjusting device, described adjusting device is connected with location-plate, and location-plate is fixedly installed on emery wheel planker again, forms the left and right emery wheel planker of Y-axis.
Further, described Y-axis left and right grinding wheel main shaft structure symmetry is identical, it comprises the large emery wheel of grinding electric main shaft, grinding wheel chuck, grinding wheel dynamic balance instrument, emery wheel micro-adjusting mechanism and external diameter Φ 600, the large emery wheel of described external diameter Φ 600 connects with grinding wheel chuck, be fixedly installed on grinding electric main shaft together with grinding wheel dynamic balance instrument and emery wheel micro-adjusting mechanism again, and described grinding electric main shaft connects with the left and right emery wheel planker of Y-axis.
Further, described Z axis feed mechanism comprises ball-screw, line slideway and servomotor, and described ball-screw connects with servomotor, and described line slideway is arranged in planer-type stand column and beam, and ball-screw, line slideway also connect with Z axis planker.
Further, described Z axis Multifunctional main shaft comprises servo principal axis motor, shaft coupling, main spindle box body and multifunction electric main shaft, described multifunction electric main shaft is connected with servo principal axis motor by shaft coupling, and is fixedly installed on together on main spindle box body, and described main spindle box body connects with Z axis planker.
Further, described operation control system comprises guidance panel case, position adjusting mechanism and electronic box, and described guidance panel case is arranged on position adjusting mechanism.
Further, also comprise cooling recirculation system in described device, described cooling recirculation system is cooperatively interacted formed by the surrounding discharge structure on major and minor lathe bed and middle sunk type discharge structure, cooling sprayer, grinding cooling water tank, grinding wheel spindle cooling water tank, grinding wheel spindle cooling water temperature device.
According to the digital controlled linear guide rail raceway groove grinding attachment that such scheme is formed, which overcome the weak point of existing line slideway raceway groove grinding attachment, structure optimization is compact, adopts the gantry type frame structure of high rigidity, and many bistriques combination technique organization distribution of original creation; Adopt two independently mobile model grinding spindle coordinate the large emery wheel of external diameter Φ 600, can process guide rail profile simultaneously, grinding linear velocity is high, process time is short, workpiece accuracy is high; Adopt single trimmer, can synchronously repair two symmetroid emery wheels simultaneously, possess that trimmer number is few, structure is simple, adjustment and maintenance advantage easily, effectively can reduce the mutual wrap-around error impact between two emery wheels simultaneously, significantly improve guide surface machining accuracy; Z axis Multifunctional main shaft optional allotment of labor's station high accuracy autogenous grinding device, improves the phase closing precision between workbench with emery wheel, reduces the accuracy error caused because changing the machining benchmark change that frock model causes, and then indirectly improves the machining accuracy of guide rail; And have emery wheel on-line dynamic balancing and uniformly linear control technology.While difficulty and cost are manufactured in reduction, also possesses center of gravity low, good rigidly, grinding performance is excellent, stable accuracy, the features such as the range of work large (Workpiece length can reach 7 meters), it can carry out raceway groove grinding to the line slideway of different length, size, effectively can enhance productivity, and the purchase cost of producer can be reduced by a relatively large margin.
Accompanying drawing explanation
The utility model is further illustrated below in conjunction with the drawings and specific embodiments.
Fig. 1 is agent structure schematic top plan view of the present utility model;
Fig. 2 is agent structure schematic side view of the present utility model;
Fig. 3 is the forward schematic diagram of main lathe bed and critical piece structure in the utility model;
Fig. 4 is the structural representation of X-axis feed mechanism in the utility model;
Fig. 5 is the structural representation of X-axis leading screw auxiliary support mechanism in the utility model;
Fig. 6 is the structural representation of Z axis feed mechanism, planker and Multifunctional main shaft in the utility model;
Fig. 7 is the structural representation of diamond roller dresser mechanism in the utility model.
Detailed description of the invention
The technological means realized to make the utility model, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the utility model further.
See Fig. 1 and Fig. 2, the digital controlled linear guide rail raceway groove grinding attachment that the utility model provides mainly comprises main lathe bed 1, the secondary lathe bed 2 in left side, the secondary lathe bed 3 in right side, X-axis feed mechanism 4, X-axis leading screw auxiliary support mechanism 5, X-axis workbench planker 6, diamond roller dresser 7, planer-type stand column and beam 8, the left feed mechanism 9 of Y-axis, the right feed mechanism 10 of Y-axis, the left emery wheel planker 11 of Y-axis, the right emery wheel planker 12 of Y-axis, the left grinding wheel spindle 13 of Y-axis, the right grinding wheel spindle 14 of Y-axis, Z axis feed mechanism 15, Z axis planker 16, Z axis Multifunctional main shaft 17, operation control system 18 and cooling recirculation system 19.
Operation control system 18 in this grinding attachment is for controlling the operation of this device, and it comprises guidance panel case 18-1, panel bin support 18-2, controls electronic box 18-3.
Wherein, panel bin support 18-2 is placed in main lathe bed 1, and it adopts segmentation rotary structure, guidance panel case 18-1 can be allowed to move freely in certain limit and angle, rotate, be convenient to the adjustment of this grinding attachment, operation.
Cooling recirculation system 19 in this grinding attachment is for abrasive machining device cooling link operationally, whether its service behaviour is fine or not and stablize and will be directly connected to the success or failure of grinding, good cooling recirculation system effectively can improve surface roughness, linearity during the grinding of line slideway workpiece, and reduces chatter mark; Lapping burn rhegma phenomenon can be reduced; The life-span of emery wheel and emery wheel trimming device can be extended; And machine spindle and bearing life can be guaranteed, extension device maintenance intervals, reduce maintenance cost.
As shown in Figure 1, for ensureing the high-performance of cooling recirculation system 19 and high reliability, this cooling recirculation system 19 is made up of the surrounding discharge structure 19-1 on main lathe bed 1 and middle sunk type discharge structure (not shown), cooling sprayer (not shown), grinding cooling water tank 19-2, grinding wheel spindle cooling water tank 19-3, grinding wheel spindle cooling water temperature device 19-4.
Wherein grinding wheel spindle cooling water tank 19-3 and grinding wheel spindle cooling water temperature device 19-4 mainly carries out cooling heat dissipation to the heat that the left grinding wheel spindle of Y-axis 13, the right grinding wheel spindle 14 of Y-axis produce when high speed rotational operation, ensures their operationally reliable and stable.
Surrounding discharge structure 19-1 on main lathe bed 1 and middle sunk type discharge structure (not shown), cooling sprayer (not shown), grinding cooling water tank 19-2 carry out cooling heat dissipation to workpiece during grinding.
Surrounding discharge structure 19-1 on main lathe bed 1 and middle sunk type discharge structure are used in time and are discharged by the cooling water sprayed fast, this discharge structure comprises the rhone being arranged on main lathe bed 1 inside, this rhone is designed to the gradient as required, accelerates flowing and the discharge of cooling water.The degree of depth of rhone is comparatively dark, quench cooled water directly can be flowed in the grinding cooling water tank 19-2 entering main lathe bed 1 side in drainage channel and middle sunk type discharge structure along table top and recycle; Darker drainage channel effectively reduces the cooling water phenomenon of sinuous flow, splashing and the loss of cooling water everywhere simultaneously, reduces production cost.
The injection of the large discharge cooling water when cooling recirculation system 19 on this grinding attachment can meet workpiece grinding, discharge and circulate, having the advantages that structure is simple, economical and practical.
See Fig. 3, the digital controlled linear guide rail raceway groove grinding attachment that the utility model provides adopts the gantry type frame structure of high rigidity and many bistriques combination technique of uniqueness.
In this grinding attachment, main lathe bed 1 is that whole device carries out the main body of grinding to workpiece, is provided with X-axis feed mechanism 4, X-axis leading screw auxiliary support mechanism 5, X-axis workbench planker 6, planer-type stand column and beam 8, operation control system 18 and cooling recirculation system 19.Wherein X-axis workbench planker 6 is provided with diamond roller dresser 7, planer-type stand column and beam 8 is also provided with the left feed mechanism of Y-axis 9, the right feed mechanism of Y-axis 10, Y-axis left emery wheel planker 11, Y-axis right emery wheel planker 12, the left grinding wheel spindle of Y-axis 13, the right grinding wheel spindle 14 of Y-axis, Z axis feed mechanism 15, Z axis planker 16, Z axis Multifunctional main shaft 17.
Concrete, what X-axis feed mechanism 4 matched with X-axis central lead screw auxiliary supporting structure 5 is located on main lathe bed 1, and X-axis workbench planker 6 is located on main lathe bed 1 by X-axis feed mechanism 4.
Here, X-axis feed mechanism 4 is for driving X-axis workbench planker 6 and being fixed on the reciprocating motion of the workpiece on X-axis workbench planker 6; X-axis leading screw auxiliary support mechanism 5, for the ball-screw 4-4 in the larger X-axis feed mechanism 4 of supported weight, to prevent it from producing flexural deformation and resonance because of deadweight, and then affects precision and life-span; X-axis workbench planker 6 is for mounting tool and workpiece, and drives frock and workpiece to move back and forth.
Thus when opening of device works, drive ball-screw 4-4 by the servomotor 4-1 in X-axis feed mechanism 4, ball-screw 4-4 drives X-axis workbench planker 6 and mounted thereto frock, workpiece to shift to machining area together; Now, move together with the nut that the left support main body 5-1 in X-axis central lead screw auxiliary supporting structure 5 and right support main body 5-2 follow ball-screw 4-4, and hold leading screw both sides to protect ball-screw 4-4.
See Fig. 4, X-axis feed mechanism 4 comprises servomotor 4-1, decelerator 4-2, shaft coupling 4-3, ball-screw 4-4, supporting construction 4-5 and line slideway 4-6.
Wherein supporting construction 4-5 is arranged on main lathe bed 1 and right secondary lathe bed 3, and for supporting a whole set of X-axis feed mechanism 4, its compact conformation is simple, and has ball-screw anticollision device, collision-prevention device.Line slideway 4-6 selects roller-type line slideway, operate steadily flexibly, possess high bearing capacity and higher rigidity, for supporting and guide the movement of X-axis workbench planker 6, it is arranged along main lathe bed 1, left secondary lathe bed 2 and right secondary lathe bed 3, its rail sections is arranged on main lathe bed 1, left secondary lathe bed 2 and right secondary lathe bed 3, and Slipper is arranged on X-axis workbench planker 6.
Servomotor 4-1 is used for the rotation accurately controlling ball-screw 4-4, thus accurately can control the translational speed of X-axis workbench planker 6.Servomotor 4-1, decelerator 4-2 are connected with ball-screw 4-4 by shaft coupling 4-3, and be arranged on main lathe bed 1 and right secondary lathe bed 3 together with supporting construction 4-5, for driving X-axis workbench planker 6, its simple structure is reliable, rotation torque large, smooth running, precision are high.
Drive the stable movement of workpiece in order to X-axis workbench planker 6 can be realized, adopt two line slideway 4-6 to be arranged in parallel in the utility model, ball-screw 4-4 is arranged on the centre of two parallel lines guide rail 4-6.
See Fig. 5; because X-axis ball-screw 4-4 length is longer, easily because himself weight produces bending, therefore the utility model is also provided with X-axis leading screw auxiliary support mechanism 5 on main lathe bed 1 and right secondary lathe bed 3; its simple structure is practical, and has ball-screw anti-collision protection device.
X-axis leading screw auxiliary support mechanism 5 comprises left support main body 5-1, right support main body 5-2, supports interlock guide post 5-3 and line slideway 5-4.
Wherein left support main body 5-1, right support main body 5-2 are placed in the rear and front end of X-axis ball-screw 4-4 nut respectively, and are connected, for holding up X-axis ball-screw 4-4 with the support guide post 5-3 and line slideway 5-4 that links.
Supporting interlock guide post 5-3 is arranged on left support main body 5-1, right support main body 5-2, for connecting both, and both can be linked when mobile.
Line slideway 5-4 is arranged along main lathe bed 1 and right secondary lathe bed 3, and its rail sections is arranged on main lathe bed 1 and right secondary lathe bed 3, and Slipper is arranged on left support main body 5-1, right support main body 5-2, is mainly used in the movement and the load-bearing that support total.
Mechanism is simple and practical, has two large benefits: it is bending that the weight the first, bearing X-axis ball-screw 4-4 makes it can not produce because of deadweight; The second, make X-axis ball-screw 4-4 effectively rotate, avoid it to produce resonance.
The right feed mechanism 10 of the left feed mechanism of Y-axis 9, Y-axis is symmetricly set in planer-type stand column and beam 8, and Y-axis left emery wheel planker 11, Y-axis right emery wheel planker 12 are separately positioned on the left feed mechanism of Y-axis 9, the right feed mechanism 10 of Y-axis; The left grinding wheel spindle of Y-axis 13, the right grinding wheel spindle of Y-axis 14 are separately positioned on Y-axis left emery wheel planker 11, the right emery wheel planker 12 of Y-axis.
Here, the left feed mechanism of Y-axis 9, the right feed mechanism of Y-axis 10 for driving the left grinding wheel spindle of Y-axis 13 be fixedly installed on Y-axis left emery wheel planker 11, Y-axis right emery wheel planker 12, the right grinding wheel spindle 14 of Y-axis moves left and right; Y-axis left emery wheel planker 11, Y-axis right emery wheel planker 12 for fixedly mounting the left grinding wheel spindle of Y-axis 13, the right grinding wheel spindle 14 of Y-axis, and add drive it man-hour about move back and forth; The right grinding wheel spindle 14 of the left grinding wheel spindle of Y-axis 13, Y-axis is critical pieces, for carrying out grinding to workpiece.
Thus when adding man-hour to workpiece, by the driven by servomotor ball-screw in the left feed mechanism of Y-axis 9, the right feed mechanism 10 of Y-axis, ball-screw drives Y-axis left emery wheel planker 11, the right emery wheel planker 12 of Y-axis moves to machining area; Now, each spinning of 14 right grinding electric main shaft 14-1 in the left grinding electric main shaft 13-1 in the left grinding wheel spindle of Y-axis 13 and the right grinding wheel spindle of Y-axis, drives two large emery wheels to carry out grinding to workpiece.
Wherein, the left feed mechanism of Y-axis 9 is identical with Y-axis right feed mechanism 10 structure, each feed mechanism comprises ball-screw, line slideway and servomotor respectively, described ball-screw connects with servomotor, described line slideway is arranged in planer-type stand column and beam, and with ball-screw, servomotor is corresponding arranges, ball-screw, line slideway also connect with corresponding Y-axis left and right emery wheel planker respectively.
The symmetrical configuration of Y-axis left emery wheel planker 11, Y-axis right emery wheel planker 12 is identical, comprises emery wheel planker, location-plate and adjusting device; Adjusting device is connected with location-plate, and location-plate is fixedly installed on emery wheel planker again, forms Y-axis left emery wheel planker 11, the right emery wheel planker 12 of Y-axis.
The left grinding wheel spindle of Y-axis 13, the right grinding wheel spindle of Y-axis 14 are important component parts for whole line slideway raceway groove grinding system, for carrying out accurate raceway groove grinding to workpiece, its main feature is that compact conformation, weight are low, good rigidly, and has emery wheel on-line dynamic balancing and uniformly linear control technology.
As shown in Figure 3, the left grinding wheel spindle of Y-axis 13 comprises the large emery wheel of left grinding electric main shaft 13-1, left grinding wheel chuck 13-2, left grinding wheel dynamic balance instrument 13-3, left emery wheel micro-adjusting mechanism 13-4 and external diameter Φ 600.The large emery wheel of external diameter Φ 600 connects with left grinding wheel chuck 13-2 respectively with left grinding wheel dynamic balance instrument 13-3, and be fixedly installed on the band tapering axle head of left grinding electric main shaft 13-1 together, left emery wheel micro-adjusting mechanism 13-4 is fixedly installed on the pedestal tail end of left grinding electric main shaft 13-1, and these parts are interconnected the left grinding wheel spindle 13 of composition Y-axis.Left emery wheel planker 11 is fixedly connected the left grinding wheel spindle of Y-axis 13 with Y-axis again, is arranged on together in planer-type stand column and beam 8 by Y-axis left emery wheel planker 11 and the left feed mechanism 9 of Y-axis.
The right grinding wheel spindle of Y-axis 14 comprises the large emery wheel of right grinding electric main shaft 14-1, right grinding wheel chuck 14-2, right grinding wheel dynamic balance instrument 14-3, right emery wheel micro-adjusting mechanism 14-4 and external diameter Φ 600.The large emery wheel of external diameter Φ 600 connects with right grinding wheel chuck 14-2 respectively with right grinding wheel dynamic balance instrument 14-3, and be fixedly installed on the band tapering axle head of right grinding electric main shaft 14-1 together, right emery wheel micro-adjusting mechanism 14-4 is fixedly installed on the pedestal tail end of right grinding electric main shaft 14-1, and these parts are interconnected the right grinding wheel spindle 14 of composition Y-axis.Right emery wheel planker 12 is fixedly connected the right grinding wheel spindle of Y-axis 14 with Y-axis again, is arranged on together in planer-type stand column and beam 8 by Y-axis right emery wheel planker 12 and the right feed mechanism 10 of Y-axis.
The Y-axis grinding structure formed thus compares the mode that conventional grinding wheel spindle+common electric machine drives, more compact structure, weight is lighter, have more standby emery wheel uniformly linear control technology, continuously variable, can change rotating speed in real time when grinding wheel diameter changes, and maintains grinding linear velocity constant, and then improve the grinding performance of lathe, and the precision stability of product to be processed.
In instantiation of the present utility model, left grinding electric main shaft 13-1, right grinding electric main shaft 14-1 adopt power to be used as grinding spindle up to the electro spindle of 20KW, and it comprises a whole set of assemblies such as electro spindle body, axle bed, high frequency converter plant, oil mist lubricator, cooling device.Electro spindle body is made up of frameless motor, main shaft, bearing, main axle unit housing, built-in encoder, driver module and cooling device etc.The rotor of motor adopts press fit method and main shaft to be made of one, and main shaft is then supported by front and back bearings.The stator of motor is installed in the housing of main axle unit by coolant jacket.The speed change of main shaft is controlled by main shaft drives module, and the temperature rise in main axle unit is limited by grinding wheel spindle cooling water tank 19-3, grinding wheel spindle cooling water temperature device 19-4.
Left grinding wheel dynamic balance instrument 13-3, right grinding wheel dynamic balance instrument 14-3 adopt German horse Persian dynamic balance instrument, make left grinding wheel spindle 13, right grinding wheel spindle 14 possesses emery wheel on-line dynamic balancing function, its installation is simple, easy to operate, grinding wheel dynamic balance state and data can Real Time Observation, there is efficient, highly reliable, high-accuracy feature, effectively can improve the precision of line slideway workpiece grinding, stability and batch uniformity; Significantly can improve surface roughness, the linearity of grinding workpiece, and reduce chatter mark; The life-span of grinding workpiece can be extended, reduce lapping burn rhegma phenomenon, and control its low frequency operation noise; The life-span of emery wheel and emery wheel trimming device can be extended; And machine spindle and bearing life can be guaranteed, extension device maintenance intervals, reduce maintenance cost.
In Z axis feed mechanism 15 in this device, Z axis planker 16, Z axis Multifunctional main shaft 17, Z axis feed mechanism 15 is arranged in planer-type stand column and beam 8, and Z axis planker 16 is arranged on Z axis feed mechanism 15, and Z axis Multifunctional main shaft 17 is arranged on Z axis planker 16.
Here Z axis feed mechanism 15 moves up and down for driving the Z axis Multifunctional main shaft 17 be fixedly installed on Z axis planker 16; Z axis planker 16 for fixedly mounting Z axis Multifunctional main shaft 17, and when 15 start of Z axis feed mechanism, drives Z axis Multifunctional main shaft 17 to move up and down together; Z axis Multifunctional main shaft 17 is mainly used in carrying out autogenous grinding processing to frock or workpiece planarization, to improve machining accuracy, also can match milling parts or emery wheel, to reach different process requirements.
Man-hour is added when equipment needs to carry out plane autogenous grinding to frock or workpiece, servomotor 15-1 in Z axis feed mechanism 15 drives ball-screw 15-4, ball-screw 15-4 drives Z axis planker 16 and Z axis Multifunctional main shaft 17 to move to machining area, and the servo principal axis motor 17-1 now in Z axis Multifunctional main shaft 17 rotarily drives multifunction electric main shaft 17-4 and carries out grinding or Milling Process to frock or workpiece.
See Fig. 6, Z axis feed mechanism comprises servomotor 15-1, decelerator 15-2, shaft coupling 15-3, ball-screw 15-4, supporting construction 15-5 and line slideway 15-6.
Wherein supporting construction 15-5 is arranged in planer-type stand column and beam 8, and for supporting a whole set of Z axis feed mechanism 15, its compact conformation is simple, and has ball-screw anticollision device, collision-prevention device.Line slideway 15-6 selects roller-type line slideway, operates steadily flexibly, possesses high bearing capacity and higher rigidity, for supporting and guide the movement of Z axis planker 16.It is vertically arranged along planer-type stand column and beam 8, and its rail sections is arranged in planer-type stand column and beam 8, and Slipper is arranged on Z axis planker 16.
Servomotor 15-1, with band-type brake function, for accurately controlling the rotation of ball-screw 15-4, thus accurately can control the translational speed of Z axis planker 16.Servomotor 15-1, decelerator 15-2 are connected with ball-screw 15-4 by shaft coupling 15-3, and be arranged in planer-type stand column and beam 8 together with supporting construction 15-5, for driving Z axis planker 16, its simple structure is reliable, rotation torque large, smooth running, precision are high.
Drive the stable movement of Z axis Multifunctional main shaft 17 in order to Z axis planker 16 can be realized, adopt two line slideway 15-6 to be arranged in parallel in the utility model, ball-screw 15-4 is arranged on the centre of two parallel lines guide rail 15-6.
See Fig. 6, Z axis Multifunctional main shaft 17 comprises servo principal axis motor 17-1, shaft coupling 17-2, main spindle box body 17-3 and multifunction electric main shaft 17-4.Wherein main spindle box body 17-3 is fixedly installed on Z axis planker 16, and servo principal axis motor 17-1 and multifunction electric main shaft 17-4 is fixedly installed on main spindle box body 17-3 respectively, and is connected by shaft coupling 17-2.
Its compact conformation is practical, part manufacture simplification, takes up room little, is easy to realize multi-shaft interlocked, instead of complex structure in conventional linear slideway grinder, workpiece planarization autogenous grinding device that weight is larger, and there is conventional linear slideway grinder workpiece planarization autogenous grinding device function useless: 1, milling; 2, emery wheel mounting points for subsequent use.
That key wherein is just is unique, autonomous innovation many bistriques combined layout technology and multifunction electric main shaft 17-4.Multifunction electric main shaft 17-4 according to the different demands of different client, can match: 1, Milling Process cutter respectively; 2, workpiece planarization is from grinding abrasive disk; 3, emery wheel.
See Fig. 7, diamond roller dresser mechanism 7 is for trimming wheel shape, and it is fixed installation structure, and rotating speed is high, good rigidly, can not because being produce with the emery wheel of external diameter Φ 600 to repair bad situation.This mechanism specifically comprises emery wheel 7-1, adjustment packing ring 7-2, dresser shaft 7-3, trimmer seat 7-4, belt pulley 7-5, motor mount 7-6, belt tension guiding mechanism 7-7, finishing motor 7-8.
Wherein emery wheel 7-1, adjustment packing ring 7-2 are arranged on dresser shaft 7-3, dresser shaft 7-3 passes through trimmer seat 7-4 fixed and arranged on X-axis workbench planker 6, finishing motor 7-8 is arranged on motor mount 7-6, and motor mount 7-6 leads to belt tension guiding mechanism 7-7 and is also arranged on X-axis workbench planker 6.Dresser shaft 7-3 is connected by belt pulley 7-5 and belt with finishing motor 7-8, drives.
According to the digital controlled linear guide rail raceway groove grinding attachment that such scheme is formed, the process of grinding is carried out as follows (see Fig. 1 and Fig. 7) to workpiece 20:
First according to workpiece size and type, select the new emery wheel of corresponding thickness, new emery wheel is loaded onto respectively after pulling down left grinding wheel chuck 13-2, right grinding wheel chuck 14-2, and static balance is done to it, refill on equipment, adjusted the position of the left grinding wheel spindle of Y-axis 13, the right grinding wheel spindle 14 of Y-axis by left emery wheel micro-adjusting mechanism 13-4, right emery wheel micro-adjusting mechanism 14-4.
Selecting corresponding emery wheel afterwards, by selecting the adjustment packing ring 7-2 of respective thickness, the height of emery wheel and workpiece being consistent.
Then power supply energising, power on button is started at guidance panel case 18-1, operation interface is entered after system starts automatically, first carry out mechanical back to zero, open the switch of cooling sprayer (not shown) in cooling recirculation system 19, grinding cooling water tank 19-2, grinding wheel spindle cooling water tank 19-3, grinding wheel spindle cooling water temperature device 19-4 again, start whole cooling recirculation system 19.
Then press " crushing " button on guidance panel, X-axis workbench planker 6 is automatically moved to trim locations, and diamond roller dresser 7 starts the new emery wheel of rotating trim Y-axis both sides.After finishing, close the switch of cooling recirculation system 19, then emery wheel is pulled down together with left grinding wheel chuck 13-2, right grinding wheel chuck 14-2, carry out secondary static balance adjustment, to ensure its balance, effectively can reduce the generation of the phenomenons such as chatter mark, be mounted on equipment afterwards again.
For ensureing the precision of frock, first can load onto workpiece planarization by Z axis Multifunctional main shaft 17 and from grinding abrasive disk, reconditioning being carried out to frock plane, to ensure the uniformity of itself and machine tool accuracy.
Enter the formal grinding stage, as shown in Figure 1, the left side is upper and lower material level, first workpiece 20 is fixed in the frock of X-axis workbench planker 6, open the switch of cooling recirculation system 19, by workpiece size and the good grinding program of type selecting, then press " automatic grinding " button, equipment enters grinding state automatically.
Grinding is generally divided into three phases: corase grind, fine grinding, tarry matter.
In grinding process, workpiece to be machined can be measured by real-time instrument, so that controlling dimension size, ensure uniformity and the stability of product; Also can after pinpointing the problems time update program to save workpiece.
After tarry matter completes, press " stopping " button, can pull down workpiece, grinding terminates.
While passing through the right and left emery wheel in this process, the utilization of grinding and permanent grinding linear velocity technology, effectively can ensure Grinding Machining Quality.
This grinding attachment difference and conventional equipment generally can only process the line slideway of 4 meters or 6 meters, are a grinding attachments processing single 7 meters long line slideway raceway grooves by optimizing structure, developing immediately following the market demand.
From above-mentioned example, the utility model digital controlled linear guide rail raceway groove grinding attachment adopts the gantry type frame structure of high rigidity, and many bistriques combination technique organization distribution of autonomous innovation uniqueness, and structure optimization is compact; And be furnished with emery wheel on-line dynamic balancing and uniformly linear control technology.While difficulty and cost are manufactured in reduction, also possess center of gravity low, good rigidly, grinding performance is excellent, and machining accuracy is stablized, and the features such as the range of work is large, effectively can enhance productivity, reduce production cost.
More than show and describe general principle of the present utility model, principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and description just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (12)
1. digital controlled linear guide rail raceway groove grinding attachment, this device comprises main lathe bed, diamond roller dresser, planer-type stand column and beam, it is characterized in that, described road grinding attachment also comprises the left and right sides secondary lathe bed, X-axis feed mechanism, X-axis leading screw auxiliary support mechanism, X-axis workbench planker, the left and right feed mechanism of Y-axis, Y-axis left and right emery wheel planker, the left and right grinding wheel spindle of Y-axis, Z axis feed mechanism, Z axis planker, Z axis Multifunctional main shaft, operation control system;
Wherein, the secondary lathe bed in the described left and right sides is symmetricly set on main lathe bed both sides respectively; Described planer-type stand column and beam is located on main lathe bed;
What described X-axis feed mechanism matched with X-axis central lead screw auxiliary supporting structure is located on main lathe bed, and described X-axis workbench planker is located on main lathe bed by X-axis feed mechanism, and described diamond roller dresser is arranged on X-axis workbench planker;
The left and right feed mechanism of described Y-axis is symmetricly set in planer-type stand column and beam, and described Y-axis left and right emery wheel planker is separately positioned on the left and right feed mechanism of Y-axis, and the left and right grinding wheel spindle of described Y-axis is separately positioned on the left and right emery wheel planker of Y-axis;
Described Z axis feed mechanism is arranged in planer-type stand column and beam, and described Z axis planker is arranged on Z axis feed mechanism, and described Z axis Multifunctional main shaft is arranged on Z axis planker;
Described operation control system is arranged on main lathe bed.
2. digital controlled linear guide rail raceway groove grinding attachment according to claim 1, is characterized in that, the secondary lathe bed structure in the described left and right sides is identical, is connected, and adjusts horizontal equally accurate by lathe bed micro-adjusting mechanism with main lathe bed.
3. digital controlled linear guide rail raceway groove grinding attachment according to claim 1, it is characterized in that, described X-axis feed mechanism comprises ball-screw, line slideway and servomotor, described ball-screw connects with servomotor, described line slideway is arranged on the secondary lathe bed of main lathe bed and the left and right sides, and described ball-screw, line slideway also connect with X-axis workbench planker.
4. digital controlled linear guide rail raceway groove grinding attachment according to claim 3, it is characterized in that, described X-axis leading screw auxiliary support mechanism comprises line slideway, support component and guide post, described support component is arranged on the two ends of ball-screw in X-axis feed mechanism, and is connected with guide post with line slideway.
5. digital controlled linear guide rail raceway groove grinding attachment according to claim 1, is characterized in that, described diamond roller dresser mainly comprises emery wheel, dresser shaft, finishing motor, and described finishing motor drives dresser shaft to drive emery wheel to rotate and repairs.
6. digital controlled linear guide rail raceway groove grinding attachment according to claim 1, it is characterized in that, described Y-axis left and right feed mechanism symmetrical configuration is identical, comprise ball-screw, line slideway and servomotor, described ball-screw connects with servomotor, described line slideway is arranged in planer-type stand column and beam, and with ball-screw, servomotor is corresponding arranges, ball-screw, line slideway also connect with Y-axis left and right emery wheel planker.
7. digital controlled linear guide rail raceway groove grinding attachment according to claim 1, it is characterized in that, described Y-axis left and right emery wheel carriage structure symmetry is identical, comprise emery wheel planker, location-plate and adjusting device, described adjusting device is connected with location-plate, location-plate is fixedly installed on emery wheel planker again, forms the left and right emery wheel planker of Y-axis.
8. digital controlled linear guide rail raceway groove grinding attachment according to claim 1, it is characterized in that, described Y-axis left and right grinding wheel main shaft structure symmetry is identical, it comprises the large emery wheel of grinding electric main shaft, grinding wheel chuck, grinding wheel dynamic balance instrument, emery wheel micro-adjusting mechanism and external diameter Φ 600, the large emery wheel of described external diameter Φ 600 connects with grinding wheel chuck, be fixedly installed on grinding electric main shaft together with grinding wheel dynamic balance instrument and emery wheel micro-adjusting mechanism again, and described grinding electric main shaft connects with the left and right emery wheel planker of Y-axis.
9. digital controlled linear guide rail raceway groove grinding attachment according to claim 1, it is characterized in that, described Z axis feed mechanism comprises ball-screw, line slideway and servomotor, described ball-screw connects with servomotor, described line slideway is arranged in planer-type stand column and beam, and ball-screw, line slideway also connect with Z axis planker.
10. digital controlled linear guide rail raceway groove grinding attachment according to claim 1, it is characterized in that, described Z axis Multifunctional main shaft comprises servo principal axis motor, shaft coupling, main spindle box body and multifunction electric main shaft, described multifunction electric main shaft is connected with servo principal axis motor by shaft coupling, and be fixedly installed on together on main spindle box body, described main spindle box body connects with Z axis planker.
11. digital controlled linear guide rail raceway groove grinding attachments according to claim 1, it is characterized in that, described operation control system comprises guidance panel case, position adjusting mechanism and electronic box, and described guidance panel case is arranged on position adjusting mechanism.
12. digital controlled linear guide rail raceway groove grinding attachments according to claim 1, it is characterized in that, also comprise cooling recirculation system in described device, described cooling recirculation system is cooperatively interacted formed by the surrounding discharge structure on major and minor lathe bed and middle sunk type discharge structure, cooling sprayer, grinding cooling water tank, grinding wheel spindle cooling water tank, grinding wheel spindle cooling water temperature device.
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| CN201520556227.4U CN204868439U (en) | 2015-07-28 | 2015-07-28 | Numerical control linear guide channel grinding device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105058201A (en) * | 2015-07-28 | 2015-11-18 | 上海莱必泰数控机床股份有限公司 | Numerical control liner guide rail trench grinding device |
| CN107433508A (en) * | 2016-05-25 | 2017-12-05 | 上海汇缘重型机床制造有限公司 | Moveable intelligent computer numerical control gantry guideway grinding machine |
| CN110450051A (en) * | 2019-08-30 | 2019-11-15 | 无锡华联科技集团有限公司 | Polishing rack |
| CN114310569A (en) * | 2021-12-20 | 2022-04-12 | 胡增产 | Novel three-workpiece guide rail grinding machine |
-
2015
- 2015-07-28 CN CN201520556227.4U patent/CN204868439U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105058201A (en) * | 2015-07-28 | 2015-11-18 | 上海莱必泰数控机床股份有限公司 | Numerical control liner guide rail trench grinding device |
| CN107433508A (en) * | 2016-05-25 | 2017-12-05 | 上海汇缘重型机床制造有限公司 | Moveable intelligent computer numerical control gantry guideway grinding machine |
| CN110450051A (en) * | 2019-08-30 | 2019-11-15 | 无锡华联科技集团有限公司 | Polishing rack |
| CN114310569A (en) * | 2021-12-20 | 2022-04-12 | 胡增产 | Novel three-workpiece guide rail grinding machine |
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