CN120901790B - A multi-angle precision gantry grinding machine - Google Patents
A multi-angle precision gantry grinding machineInfo
- Publication number
- CN120901790B CN120901790B CN202511442131.XA CN202511442131A CN120901790B CN 120901790 B CN120901790 B CN 120901790B CN 202511442131 A CN202511442131 A CN 202511442131A CN 120901790 B CN120901790 B CN 120901790B
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- CN
- China
- Prior art keywords
- grinding
- driving
- seat
- gantry
- angle
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
- B24B7/005—Portal grinding machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/0076—Other grinding machines or devices grinding machines comprising two or more grinding tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/0092—Grinding attachments for lathes or the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/02—Frames; Beds; Carriages
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/22—Equipment for exact control of the position of the grinding tool or work at the start of the grinding operation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
- B24B7/10—Single-purpose machines or devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
- B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
- B24B9/04—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of metal, e.g. skate blades
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
本发明公开了一种多角度磨削精密龙门导轨磨床，涉及磨切龙门加工中心领域。其包括机床和龙门架，所述龙门架竖直架设在机床的上方，所述龙门架上滑动安装有运动梁，且龙门架上端面两侧固定安装有两组伺服电机，所述伺服电机的输出端连接有驱动运动梁升降的蜗轮蜗杆，所述运动梁前端面的两侧还滑动安装有第一活动座和第二活动座。本发明通过设置平磨砂轮组和斜磨砂轮组，可以同时实现平磨和斜磨操作，集平磨和斜磨功能于一体，能够对不同形状和角度的工件进行高效、精准的磨切加工，满足了多样化的加工需求，减少了加工设备的数量和占地面积，降低了生产成本。
This invention discloses a multi-angle grinding precision gantry guideway grinding machine, relating to the field of grinding and cutting gantry machining centers. It includes a machine tool and a gantry frame, the gantry frame being vertically mounted above the machine tool. A moving beam is slidably mounted on the gantry frame, and two sets of servo motors are fixedly mounted on both sides of the upper end face of the gantry frame. The output ends of the servo motors are connected to worm gears that drive the moving beam to rise and fall. A first movable seat and a second movable seat are also slidably mounted on both sides of the front end face of the moving beam. This invention, by setting up a flat grinding wheel set and an oblique grinding wheel set, can simultaneously achieve flat grinding and oblique grinding operations, integrating flat grinding and oblique grinding functions into one unit. It can perform efficient and precise grinding and cutting of workpieces with different shapes and angles, meeting diverse processing needs, reducing the number of processing equipment and floor space, and lowering production costs.
Description
Technical Field
The invention relates to the technical field of grinding and cutting gantry machining centers, in particular to a precise gantry guide rail grinding machine for multi-angle grinding.
Background
In the field of modern mechanical manufacturing, precision machining of metal workpieces has become a key element. High-end manufacturing industries represented by aerospace, automobile manufacturing and mold processing have strict requirements on workpiece surface precision and complex angle processing. Traditional single-function grinding and cutting equipment is low in processing efficiency and large in occupied area because of independent functions and scattered equipment. For example, the cylinder cover plane and the side bevel angle of the automobile engine cylinder body are required to be processed on the flat grinding equipment and the inclined grinding equipment respectively, so that equipment is required to be replaced frequently, and positioning errors are introduced due to repeated clamping, so that the workpiece precision is affected.
Early gantry machining centers have multi-axis linkage capability, but most devices can only realize single functions of flat grinding or inclined grinding. The inclined plane processing requirement can not be met, and special inclined grinding equipment is needed to be matched, so that the investment cost of production line equipment is increased. Meanwhile, the traditional oblique grinding structure adopts fixed angle grinding wheel groups, such as the inclination angle of a grinding wheel is adjusted through a mechanical shifting fork, the adjusting precision is low, and the high-precision oblique angle machining requirement of a workpiece is difficult to meet. Moreover, the polishing depth adjustment depends on manual hand-operated screws, and cannot adapt to the depth control requirement in the precision die machining.
And the convenience is also relatively poor in the maintenance, and the driving structure and the main body frame are integrated, for example, the main shaft driving group is fixed on the gantry stand, and the whole frame structure needs to be disassembled in the maintenance, so that the single maintenance is relatively long in time, and the production efficiency is seriously influenced.
Disclosure of Invention
The application provides a multi-angle grinding precise plano-guide rail grinder, which aims at achieving the purposes of flexible and high-precision grinding and easy maintenance.
The invention is realized in the following way:
The utility model provides a accurate longmen guide rail grinding machine of multi-angle grinding, includes lathe and portal frame, the vertical top that erects at the lathe of portal frame, slidable mounting has the motion roof beam on the portal frame, and portal frame up end both sides fixed mounting has two sets of servo motor, servo motor's output is connected with the worm gear that drives the motion roof beam and goes up and down, the both sides of motion roof beam front end face still slidable mounting has first movable seat and second movable seat, and the motion roof beam upper end still vertically installs the first driving piece that drives first movable seat and the second driving piece that drives the second movable seat and go up and down, terminal surface fixed mounting has flat dull polish wheelset before the first movable seat, and still fixed mounting has flat dull polish spindle motor that drives flat dull polish wheelset pivoted on the first movable seat, the preceding terminal surface fixed mounting of second movable seat has oblique dull polish wheelset.
Through adopting above-mentioned technical scheme, through setting up motion roof beam, servo motor, first movable seat, second movable seat, flat grinding wheel group and oblique grinding wheel group, realized the integration of the lift of motion roof beam and flat grinding and oblique grinding function. The servo motor drives the moving beam to lift through the worm gear and the worm, so that the height position of the moving beam can be accurately controlled, and the processing requirements of workpieces with different heights are met. The first movable seat and the second movable seat can be independently lifted on the moving beam, so that the height of the flat grinding wheel set and the height of the inclined grinding wheel set can be flexibly adjusted, the flat grinding operation and the inclined grinding operation can be respectively carried out on the workpiece, and the processing flexibility and efficiency are greatly improved. The flat grinding spindle motor drives the flat grinding wheel set to rotate, power is provided for flat grinding machining, and the precision and quality of flat grinding are ensured.
Furthermore, the lathe includes lathe bed and lower margin support, lower end face's both sides under the lathe bed are evenly installed to the lower margin support, and lower margin support and lathe bed fixed connection, the workstation is installed to the top of lathe bed, and the up end of lathe bed still is provided with the hydrostatic guideway that supplies workstation slidable mounting.
Through adopting above-mentioned technical scheme, the lathe adopts the structural design of lathe bed and lower margin support, and lower terminal surface both sides and fixed connection under the lathe bed are evenly installed to the margin support, can effectively disperse the weight of lathe, improve the stability of lathe, reduce the vibrations when the lathe operates. The workbench is arranged above the lathe bed, the hydrostatic guideway is arranged on the upper end surface of the lathe bed, and has the characteristics of high precision, high rigidity and low friction, and the stability and the precision of the workbench in the sliding process can be ensured, so that the precision of workpiece processing is improved.
Further, the portal frame comprises two groups of portal frames and cross beams, the two groups of portal frames are vertically fixed on two sides of the lathe bed, and the cross beams are fixedly arranged between the two groups of portal frames.
By adopting the technical scheme, the portal frame consists of the portal frame and the cross beams, the two groups of portal frame are vertically fixed on two sides of the lathe bed, and the cross beams are fixedly arranged between the two groups of portal frame, so that a stable frame structure is formed. The structural design can provide stable support for the moving beam, ensures the stability and the precision of the moving beam in the lifting process, and simultaneously enhances the structural strength and the stability of the whole gantry machining center.
Further, the oblique grinding wheel set comprises a rotatable seat set, an integrated shell, a grinding assembly and a main shaft driving set for driving the grinding assembly to rotate, wherein the rotatable seat set is fixedly arranged on the front end face of the second movable seat, the integrated shell is rotatably arranged on the rotatable seat set, a driving assembly I for driving the rotatable seat set to rotate is arranged in the integrated shell, the grinding assembly is slidably arranged at the lower end of the integrated shell, a driving assembly II for driving the grinding assembly to stretch out and draw back in the integrated shell is arranged in the integrated shell, the main shaft driving set is fixedly arranged on the integrated shell, and the output end of the main shaft driving set is slidably connected with the grinding assembly.
Through adopting above-mentioned technical scheme, but the combination design of oblique dull polish wheelset's seat group soon, integrated shell, polishing subassembly and main shaft drive group has realized the adjustable of oblique mill angle and the flexible function of polishing subassembly. The rotatable seat group is fixed on the front end surface of the second movable seat, the integrated shell is rotatably arranged on the rotatable seat group, and the integrated shell is driven to rotate through the first driving component, so that the precise adjustment of the inclined grinding angle can be realized, and the inclined grinding requirements of different workpieces are met. The polishing assembly is slidably mounted at the lower end of the integrated shell, the second driving assembly can drive the polishing assembly to stretch out and draw back in the integrated shell, polishing depth is convenient to adjust, and flexibility and accuracy of oblique milling are improved. The main shaft driving group provides rotation power for the polishing assembly, so that the efficiency and quality of oblique polishing are ensured. Through with rotatory, flexible and various drive structure integration to the oblique grinding wheel group, it is more convenient when installation and maintenance like this, only need with oblique grinding wheel group whole dismantlement come can light maintenance operation after having a problem, compare in traditional integrated structural operation on longmen machining center more convenient.
Further, but the seat group that revolves includes connection pad seat and connecting axle, connecting axle fixed mounting is in the center department of connection pad seat, and the connecting axle rotates to be installed on the integrated shell, evenly be provided with a plurality of shoulder holes that are connected with the second movable seat along the circumferencial direction on the connection pad seat, drive assembly one includes motor one, driving worm and with driving worm matched with drive worm wheel, motor one fixed mounting is on the medial surface of integrated shell, driving worm one end is connected at motor one's output, the drive worm wheel cover is established fixedly on the connecting axle.
Through adopting above-mentioned technical scheme, but the connection pad seat of seat group and the structural design of connecting axle soon for the integrated shell can rotate around the connecting axle. The ladder Kong Fangbian on the connecting disc seat is connected with the second movable seat, so that the stability of connection is ensured. The first driving component adopts a transmission mode of a first motor, a driving worm and a driving worm wheel, has the characteristics of high transmission efficiency, high transmission precision and good self-locking property, and can accurately control the rotation angle of the integrated shell to realize the accurate adjustment of the oblique grinding angle.
Further, the integrated shell comprises a main frame shell and an outer cover for installing a second driving component, a guide groove for sliding installation of the polishing component is formed in the inner side face of the main frame shell, the outer cover comprises a cover plate and a right-angle frame, the right-angle frame is evenly installed at four corners of the inner side face of the cover plate, the right-angle frame is fixedly connected with the cover plate, and a guide sliding rail is fixedly installed on the inner side face of the cover plate.
Through adopting above-mentioned technical scheme, the structural design of the main frame shell and the enclosing cover of integrated shell provides installation space and protection for polishing subassembly and the drive assembly second in the main frame shell. The guide groove on the inner side surface of the main frame shell provides guidance for the sliding of the polishing assembly, so that the sliding stability and precision of the polishing assembly are ensured. The combined structure of the cover plate and the right-angle frame of the outer cover enhances the strength and stability of the outer cover. The guide sliding rail on the inner side surface of the cover plate provides sliding guide for the movable seat plate of the second driving assembly, and the operation precision of the second driving assembly is guaranteed.
Further, the lower extreme slidable mounting of main frame shell has dimension steady axle bed, dimension steady axle bed includes axle sleeve and flank board, flank board symmetry is installed in the both sides of axle sleeve, and flank board and axle sleeve integrated into one piece, the inboard of main frame shell is last symmetry to install two sets of concave holders that supply flank board slidable mounting, concave holder and main frame shell fixed connection.
By adopting the technical scheme, the concave clamping seat on the inner side surface of the main frame shell provides a sliding track for the side wing plate, so that the maintenance shaft seat can slide in the main frame shell stably. The setting of dimension steady axle bed can play support and stabilization to polishing pole, reduces the vibrations and the rocking of polishing in-process, improves the precision and the quality of polishing, and dimension steady axle bed can synchronous flexible in the flexible in-process of polishing the subassembly moreover, guarantees that the subassembly of polishing can both realize the purpose of stable polishing processing no matter what length is used.
Further, the polishing assembly comprises a roller part, limiting seat blocks, polishing rods and polishing discs, wherein the limiting seat blocks are arranged on two sides of the roller part and are rotationally connected with the roller part, the heads of the polishing rods are fixedly arranged at the center of the lower end face of the roller part, the polishing rods are rotationally arranged in shaft sleeves, and the polishing discs are fixedly arranged at the outer ends of the polishing rods.
Through adopting above-mentioned technical scheme, the structural design of the roller portion, spacing seat piece, pole and the mill of polishing subassembly has realized the effective integration of function of polishing. The limiting seat block is rotationally connected with the roller rotating part, so that the roller rotating part can be ensured to flexibly rotate. The polishing rod head is fixed at the center of the lower end face of the rotary roller and is rotatably installed in the shaft sleeve, so that the polishing rod can stably rotate. The polishing disc is fixedly arranged at the outer end of the polishing rod, so that the workpiece can be effectively polished.
Further, drive assembly II includes motor II, drive screw, removes bedplate and centre gripping and changes the spacing splint of roller portion, drive screw rotates and installs on the medial surface of apron, motor II fixed mounting is on the medial surface of apron, and motor II is used for driving drive screw and rotates, remove bedplate slidable mounting on the direction slide rail, and remove bedplate side and be provided with drive screw matched with thread bush, spacing splint fixed mounting is at the both ends of removing the bedplate.
Through adopting above-mentioned technical scheme, the structural design of motor two, drive screw, removal bedplate and the spacing splint of drive assembly two has realized the flexible function of polishing assembly in the integrated shell. The motor II drives the driving screw rod to rotate, the driving screw rod is matched with a threaded sleeve on the side surface of the movable seat plate, and the rotary motion is converted into linear motion, so that the movable seat plate slides on the guide sliding rail. Limiting clamping plates are fixedly arranged at two ends of the movable seat plate and clamp the roller parts, so that the polishing assembly is driven to stretch out and draw back, the polishing depth is precisely controlled, and the machining precision and efficiency are improved.
Further, the main shaft driving group comprises an angle grinder main shaft motor, a transmission rod and a plugboard, wherein the angle grinder main shaft motor is fixedly arranged on the upper end face of the main frame shell, one end of the transmission rod is connected with the output end of the angle grinder main shaft motor, the plugboard is fixedly arranged at the other end of the transmission rod, and a limiting chute for the connection and installation of the transmission rod and the plugboard is formed in the center of the upper end of the rotating roller part.
Through adopting above-mentioned technical scheme, the structural design of angle mill spindle motor, transfer line and plugboard of main shaft drive group provides rotation power for polishing the subassembly. The angle mill spindle motor is in plug-in connection with the limit sliding groove of the roller part through the transmission rod and the plug board, transmits power to the roller part, and drives the polishing assembly to rotate. The connecting mode can ensure the stability and reliability of power transmission, and is convenient to install and disassemble and convenient for equipment maintenance and overhaul.
Compared with the prior art, the invention has the beneficial effects that:
(1) According to the invention, through arranging the flat grinding wheel set and the inclined grinding wheel set, the flat grinding and inclined grinding operation can be realized simultaneously, the functions of flat grinding and inclined grinding are integrated, the workpieces with different shapes and angles can be efficiently and accurately ground and cut, the diversified processing requirements are met, the number and the occupied area of processing equipment are reduced, and the production cost is reduced. The moving beam can be lifted on the portal frame, and the first movable seat and the second movable seat can be lifted on the moving beam independently, so that the grinding and cutting tool can flexibly adjust the position and adapt to workpieces with different sizes and shapes.
(2) According to the invention, the inclined grinding wheel set is designed into a structure with the matched rotary seat set, the integrated shell, the grinding assembly and the main shaft driving set, so that the adjustable inclined grinding angle and the telescopic function of the grinding assembly are realized, the telescopic structure is added on the basis of the traditional grinding angle adjustment, the grinding flexibility is further improved, the integrated shell is designed into a structure with the matched main frame shell and the outer cover, the outer cover can be opened for better maintenance in the later period, the inclined grinding wheel set can be integrally disassembled during maintenance, the operation on a large-volume machining center is not needed, the maintenance difficulty is effectively reduced, all parts are reasonably distributed on the main frame shell and the outer cover, the mutual interference in the use process of all parts is avoided, and meanwhile, the maintenance operation is easy to be performed respectively.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following description will briefly explain the drawings needed in the embodiments, it being understood that the following drawings illustrate only some examples of the invention and are therefore not to be considered limiting of its scope, since it is possible for a person skilled in the art to obtain other related drawings from these drawings without inventive effort.
FIG. 1 is a perspective view of the overall structure in an embodiment of the present invention;
FIG. 2 is a front view of the device of FIG. 1;
FIG. 3 is a side view of the device of FIG. 1;
FIG. 4 is a top view of the device of FIG. 1;
FIG. 5 is a perspective view of an oblique sanding wheel set in an embodiment of the present invention without the angle grinder spindle motor installed;
FIG. 6 is a perspective view of the device of FIG. 5 without the cover and the second drive assembly installed;
FIG. 7 is a front view of the device of FIG. 6;
FIG. 8 is a perspective view of the device of FIG. 7 without the dimensional stabilizing shaft seat installed;
FIG. 9 is a perspective view of the cover and drive assembly mated in an embodiment of the present invention;
FIG. 10 is a front view of the device of FIG. 9;
FIG. 11 is a perspective view of a dimensional stability shaft seat in an embodiment of the present invention;
fig. 12 is a perspective view of a drive link and a plugboard in accordance with an embodiment of the present invention.
In the figure, 1, a machine tool; 11, a lathe bed; 111, hydrostatic guides, 12, foot supports, 13, workbench, 2, portal frame, 20, servo motor, 21, portal frame, 22, cross beam, 3, moving beam, 30, horizontal grinding spindle motor, 31, first movable seat, 311, first driving piece, 32, second movable seat, 321, second driving piece, 4, horizontal grinding wheel set, 5, oblique grinding wheel set, 6, rotatable seat set, 60, first driving component, 601, first motor, 602, driving worm, 603, driving worm wheel, 61, connecting disc seat, 611, stepped hole, 62, connecting shaft, 7, integrated shell, 71, main frame shell, 711, guide groove, 712, concave clamping seat, 72, outer cover, 721, cover plate, 722, right angle frame, 723, guide slide rail, 73, stable shaft seat 731, shaft sleeve, 732, side wing plate, 8, grinding component, 80, second driving component, 801, second motor, 802, driving screw, 803, moving, 804, limit clamping plate, 805, thread sleeve, 81, rotating roller part, 811, connecting shaft, 7, integrated shell, 71, main frame shell, 711, guide groove, 712, concave clamping seat, 72, outer cover, 721, cover plate, 722, guide rail, lifting seat, 8, grinding shaft seat, 8, grinding roller set, grinding roller, 80, drive shaft set, 80, limit clamping plate, and drive shaft set.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, are intended to fall within the scope of the present invention. Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.
Examples
Referring to fig. 1, fig. 2, fig. 3 and fig. 4, a multi-angle grinding precision gantry rail grinder comprises a machine tool 1 and a gantry 2, wherein the gantry 2 is vertically erected above the machine tool 1, a moving beam 3 is slidably installed on the gantry 2, two groups of servo motors 20 are fixedly installed on two sides of the upper end face of the gantry 2, the output ends of the servo motors 20 are connected with worm gears for driving the moving beam 3 to lift, a first movable seat 31 and a second movable seat 32 are slidably installed on two sides of the front end face of the moving beam 3, a first driving piece 311 for driving the first movable seat 31 to lift and a second driving piece 321 for driving the second movable seat 32 to lift are vertically installed on the upper end of the moving beam 3, a flat grinding main shaft motor 30 for driving the flat grinding wheel set 4 to rotate is fixedly installed on the front end face of the first movable seat 31, and a bevel grinding wheel set 5 is fixedly installed on the front end face of the second movable seat 32. By arranging the moving beam 3, the servo motor 20, the first movable seat 31, the second movable seat 32, the flat grinding wheel set 4 and the inclined grinding wheel set 5, the lifting of the moving beam 3 and the integration of flat grinding and inclined grinding functions are realized. The servo motor 20 drives the moving beam 3 to lift through the worm gear, so that the height position of the moving beam 3 can be accurately controlled, and the requirements of workpiece processing at different heights are met. The first movable seat 31 and the second movable seat 32 can be independently lifted on the movable beam 3, so that the height of the flat grinding wheel set 4 and the height of the inclined grinding wheel set 5 can be flexibly adjusted, and the flat grinding and the inclined grinding operations on the workpiece are respectively carried out, thereby greatly improving the flexibility and the efficiency of processing. The flat grinding spindle motor 30 drives the flat grinding wheel set 4 to rotate, so that power is provided for flat grinding processing, and the precision and quality of flat grinding are ensured. The machine tool 1 comprises a machine body 11 and foot supports 12, the foot supports 12 are uniformly arranged on two sides of the lower end face of the machine body 11, the foot supports 12 are fixedly connected with the machine body 11, a workbench 13 is arranged above the machine body 11, and a hydrostatic guideway 111 for sliding installation of the workbench 13 is further arranged on the upper end face of the machine body 11. The machine tool 1 adopts the structural design of the machine tool body 11 and the ground support 12, and the ground support 12 is uniformly arranged on two sides of the lower end surface of the machine tool body 11 and fixedly connected with the lower end surface of the machine tool body, so that the weight of the machine tool 1 can be effectively dispersed, the stability of the machine tool 1 is improved, and the vibration of the machine tool 1 during operation is reduced. The workbench 13 is arranged above the lathe bed 11, the hydrostatic guideway 111 is arranged on the upper end surface of the lathe bed 11, and the hydrostatic guideway 111 has the characteristics of high precision, high rigidity and low friction, and can ensure the stability and precision of the workbench 13 in the sliding process, thereby improving the precision of workpiece processing.
Referring to fig. 2, 3 and 4, the gantry 2 includes two sets of gantry uprights 21 and a beam 22, the two sets of gantry uprights 21 are vertically fixed on two sides of the machine body 11, and the beam 22 is fixedly installed between the two sets of gantry uprights 21. The portal frame 2 is composed of two groups of portal frames 21 and cross beams 22, wherein the two groups of portal frames 21 are vertically fixed on two sides of the lathe bed 11, and the cross beams 22 are fixedly arranged between the two groups of portal frames 21 to form a stable frame structure. The structural design can provide stable support for the moving beam 3, ensures the stability and precision of the moving beam 3 in the lifting process, and simultaneously enhances the structural strength and stability of the whole gantry machining center.
Examples
Referring to fig. 5, 6 and 7, the oblique grinding wheel set 5 includes a rotatable seat set 6, an integrated shell 7, a grinding component 8 and a spindle driving set 9 for driving the grinding component 8 to rotate, the rotatable seat set 6 is fixedly installed on the front end face of the second movable seat 32, the integrated shell 7 is rotatably installed on the rotatable seat set 6, a driving component one 60 for driving the rotatable seat set 6 to rotate is arranged in the integrated shell 7, the grinding component 8 is slidably installed at the lower end of the integrated shell 7, a driving component two 80 for driving the grinding component 8 to stretch out and draw back in the integrated shell 7 is arranged in the integrated shell 7, the spindle driving set 9 is fixedly installed on the integrated shell 7, and the output end of the spindle driving set 9 is in sliding connection with the grinding component 8. The combined design of the rotatable seat group 6, the integrated shell 7, the polishing assembly 8 and the main shaft driving group 9 of the oblique polishing wheel group 5 realizes the adjustment of oblique polishing angles and the telescoping function of the polishing assembly 8. The rotatable seat group 6 is fixed on the front end face of the second movable seat 32, the integrated shell 7 is rotatably arranged on the rotatable seat group 6, the integrated shell 7 is driven to rotate through the first driving component 60, the accurate adjustment of the inclined grinding angle can be realized, and the inclined grinding requirements of different workpieces are met. The polishing assembly 8 is slidably mounted at the lower end of the integrated shell 7, the second driving assembly 80 can drive the polishing assembly 8 to stretch out and draw back in the integrated shell 7, polishing depth is convenient to adjust, and flexibility and accuracy of oblique milling are improved. The main shaft driving group 9 provides rotation power for the polishing assembly 8, so that the efficiency and the quality of oblique polishing are ensured. Through with rotatory, flexible and various drive structure integration to the oblique grinding wheel group 5, it is more convenient when installation and maintenance like this, only need with oblique grinding wheel group 5 whole dismantlement come light maintenance operation after having a problem, compare in traditional integrated structural operation on longmen machining center more convenient.
Referring to fig. 6, 7 and 8, the rotatable seat group 6 includes a connection pad 61 and a connection shaft 62, the connection shaft 62 is fixedly installed at the center of the connection pad 61, the connection shaft 62 is rotatably installed on the integrated housing 7, a plurality of stepped holes 611 connected with the second movable seat 32 are uniformly formed in the connection pad 61 along the circumferential direction, the first driving component 60 includes a first motor 601, a driving worm 602 and a driving worm wheel 603 matched with the driving worm 602, the first motor 601 is fixedly installed on the inner side surface of the integrated housing 7, one end of the driving worm 602 is connected to the output end of the first motor 601, and the driving worm wheel 603 is sleeved and fixed on the connection shaft 62. The structural design of the connection pad 61 and the connection shaft 62 of the rotatable pad group 6 enables the integrated housing 7 to rotate around the connection shaft 62. The stepped hole 611 on the connecting disc seat 61 is convenient to be connected with the second movable seat 32, so that the stability of connection is ensured, and meanwhile, the stepped hole 611 is easy to store the bolt head, so that the blockage cannot occur in the rotating process. The first driving component 60 adopts a transmission mode of a first motor 601, a driving worm 602 and a driving worm gear 603, has the characteristics of high transmission efficiency, high transmission precision and good self-locking property, and can accurately control the rotation angle of the integrated shell 7 and realize the accurate adjustment of the oblique grinding angle.
Referring to fig. 9, 10 and 11, the integrated housing 7 includes a main frame housing 71 and an outer cover 72 for mounting the second driving component 80, a guide slot 711 for sliding mounting the polishing component 8 is formed on the inner side surface of the main frame housing 71, the outer cover 72 includes a cover plate 721 and a right-angle frame 722, the right-angle frame 722 is uniformly mounted on four corners of the inner side surface of the cover plate 721, the right-angle frame 722 is fixedly connected with the cover plate 721, and a guide sliding rail 723 is fixedly mounted on the inner side surface of the cover plate 721. The structural design of the main frame shell 71 and the outer cover 72 of the integrated shell 7 provides installation space and protection for the polishing assembly 8 and the driving assembly II 80 in the main frame shell 71, and the outer cover 72 can be opened to facilitate better maintenance in later period, and the components are reasonably distributed on the main frame shell 71 and the outer cover 72, so that mutual interference can not occur in the use process between the components, and simultaneously, the maintenance operation is easy to be performed respectively. The guide groove 711 on the inner side surface of the main frame shell 71 provides guidance for the sliding of the polishing assembly 8, and ensures the sliding stability and precision of the polishing assembly 8. The combined structure of the cover plate 721 and the right angle frame 722 of the cover 72 enhances the strength and stability of the cover 72. The guiding sliding rail 723 on the inner side of the cover plate 721 provides sliding guiding for the moving seat plate 803 of the second driving assembly 80, and ensures the operation precision of the second driving assembly 80. The lower extreme slidable mounting of main frame shell 71 has dimension steady axle bed 73, dimension steady axle bed 73 includes axle sleeve 731 and flank 732, and flank 732 symmetry installs in the both sides of axle sleeve 731, and flank 732 and axle sleeve 731 integrated into one piece, and the inboard face of main frame shell 71 is last to be installed two sets of concave holders 712 that supply flank 732 slidable mounting symmetrically, and concave holder 712 and main frame shell 71 fixed connection. The stabilizing shaft seat 73 slidably mounted at the lower end of the main frame shell 71 comprises a shaft sleeve 731 and side wing plates 732, wherein the side wing plates 732 are symmetrically mounted at two sides of the shaft sleeve 731 and integrally formed with the shaft sleeve 731. Female clip seat 712 on the inside of main frame housing 71 provides a sliding track for side wings 732 so that dimensional stability shaft seat 73 can slide smoothly within main frame housing 71. The setting of dimension steady axle bed 73 can play support and stabilization to pole 83 that polishes, reduces the vibrations and rocking of polishing in-process, improves the precision and the quality of polishing, and dimension steady axle bed 73 can synchronous flexible in the flexible in-process of polishing subassembly 8 moreover, guarantees that the purpose of stable polishing processing can all be realized to polishing subassembly 8 no matter what length is used.
Referring to fig. 6, 8, 9 and 10, the polishing assembly 8 includes a roller portion 81, a limiting block 82, a polishing rod 83 and a polishing plate 84, the limiting block 82 is installed at both sides of the roller portion 81, and the limiting block 82 is rotatably connected with the roller portion 81, a head of the polishing rod 83 is fixedly installed at a center of a lower end surface of the roller portion 81, and the polishing rod 83 is rotatably installed in a shaft sleeve 731, and the polishing plate 84 is fixedly installed at an outer end of the polishing rod 83. The structural design of the roller portion 81, the limiting seat block 82, the polishing rod 83 and the polishing disc 84 of the polishing assembly 8 realizes effective integration of polishing functions. The limiting block 82 is rotatably connected with the roller portion 81, and flexible rotation of the roller portion 81 can be ensured. The head of the grinding rod 83 is fixed at the center of the lower end surface of the rotary roller portion 81 and rotatably installed in the shaft sleeve 731 so that the grinding rod 83 can be stably rotated. The grinding disc 84 is fixedly arranged at the outer end of the grinding rod 83, so that a workpiece can be effectively ground. The second driving assembly 80 comprises a second motor 801, a driving screw 802, a moving seat 803 and a limiting clamp plate 804 for clamping the roller portion 81, the driving screw 802 is rotatably mounted on the inner side surface of the cover plate 721, the second motor 801 is fixedly mounted on the inner side surface of the cover plate 721, the second motor 801 is used for driving the driving screw 802 to rotate, the moving seat 803 is slidably mounted on the guide slide rail 723, a threaded sleeve 805 matched with the driving screw 802 is arranged on the side surface of the moving seat 803, and the limiting clamp plate 804 is fixedly mounted at two ends of the moving seat 803. The structural design of the motor II 801, the driving screw 802, the movable seat plate 803 and the limiting clamp plate 804 of the driving assembly II 80 realizes the telescopic function of the polishing assembly 8 in the integrated shell 7. The second motor 801 drives the driving screw 802 to rotate, and the driving screw 802 is matched with the threaded sleeve 805 on the side surface of the moving seat plate 803 to convert the rotary motion into linear motion, so that the moving seat plate 803 slides on the guide sliding rail 723. Limiting clamp plates 804 are fixedly arranged at two ends of the movable seat 803 and clamp the rotary roller portions 81, so that the polishing assembly 8 is driven to stretch out and draw back, the polishing depth is accurately controlled, and the machining precision and efficiency are improved.
Referring to fig. 6 and 12, the spindle driving set 9 includes an angle grinder spindle motor 91, a transmission rod 92 and a plunger plate 93, the angle grinder spindle motor 91 is fixedly mounted on an upper end surface of the main frame housing 71, one end of the transmission rod 92 is connected to an output end of the angle grinder spindle motor 91, the plunger plate 93 is fixedly mounted on the other end of the transmission rod 92, and a limit chute 811 for inserting and mounting the transmission rod 92 and the plunger plate 93 is provided at a center of an upper end of the roller portion 81. The structural design of the angle grinder spindle motor 91, drive rod 92 and pinboard 93 of the spindle drive set 9 provides rotational power for the grinding assembly 8. The angle grinder spindle motor 91 is in plug-in connection with the limit sliding groove 811 of the roller portion 81 through the transmission rod 92 and the plug-in plate 93, and transmits power to the roller portion 81 to drive the grinding assembly 8 to rotate. The connecting mode can ensure the stability and reliability of power transmission, and is convenient to install and disassemble and convenient for equipment maintenance and overhaul.
The working principle is that the multi-angle milling and cutting gantry machining center comprises the following steps in actual use.
The whole framework and the basic movement are that the portal frame 2 is formed by two groups of portal uprights 21 and cross beams 22, and the portal uprights are vertically erected above the machine tool 1 to provide stable support for the moving beam 3. The machine tool 1 adopts a structure that the machine tool body 11 is matched with the ground leg supports 12, the ground leg supports 12 are uniformly distributed on two sides of the lower end face of the machine tool body 11, the weight of the machine tool 1 is dispersed, and the stability is enhanced. The hydrostatic guideway 111 on the lathe bed 11 supports the worktable 13 to slide, so that the worktable 13 can stably run with high precision and low friction, and a precision foundation is laid for workpiece processing. The moving beam 3 is driven by two groups of servo motors 20 through worm gears to realize lifting, so that the height can be accurately positioned, and the processing requirements of different workpieces can be met. Simultaneously, the first movable seat 31 and the second movable seat 32 independently lift at the two sides of the front end surface of the moving beam 3, respectively drive the flat grinding wheel set 4 and the inclined grinding wheel set 5 to flexibly adjust the height, realize the integration of flat grinding and inclined grinding functions, and improve the processing flexibility and efficiency.
During the flat grinding, the flat grinding wheel set 4 is fixed on the front end surface of the first movable seat 31, and is driven to rotate by the flat grinding spindle motor 30, so that power is provided for the flat grinding, and the precision and quality of the flat grinding are ensured.
During oblique grinding, the rotatable seat group 6 of the oblique grinding wheel group 5 is fixed at the front end of the second movable seat 32, and the integrated shell 7 is rotatably mounted on the connection disc seat 61 of the rotatable seat group 6 through the connection shaft 62. The motor I601 in the driving assembly I60 drives the driving worm 602 to rotate, the driving worm wheel 603 is matched with the driving worm 602, and the driving integrated shell 7 rotates around the connecting shaft 62, so that the precise adjustment of the oblique grinding angle is realized. The polishing component 8 is slidably mounted at the lower end of the integrated shell 7, the motor II 801 of the driving component II 80 drives the driving screw 802 to rotate, and the rotation is converted into linear motion through the cooperation of the screw sleeve 805 of the movable seat plate 803, so that the movable seat plate 803 slides along the guide sliding rail 723 to drive the polishing component 8 clamped by the limiting clamp plate 804 to stretch and retract, thereby adjusting the polishing depth. The angle grinder spindle motor 91 of the spindle driving group 9 is in plug-in fit with the limit sliding groove 811 of the roller part 81 through the transmission rod 92 and the plug-in plate 93, transmits power to the grinding assembly 8, drives the grinding disc 84 to rotate, and completes oblique grinding. In addition, the dimensional stability shaft seat 73 slides at the lower end of the main frame shell 71, the side wing plate 732 of the dimensional stability shaft seat is matched with the concave clamping seat 712, the polishing rod 83 is supported in the polishing process, vibration is reduced, polishing precision and stability are ensured, and the dimensional stability shaft seat can synchronously stretch and retract along with the polishing assembly 8 to adapt to different polishing depth requirements.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, and various modifications and variations may be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A multi-angle grinding precision gantry guide rail grinding machine comprises a machine tool (1) and a gantry (2), wherein the gantry (2) is vertically erected above the machine tool (1), the multi-angle grinding precision gantry guide rail grinding machine is characterized in that a moving beam (3) is slidably mounted on the gantry (2), two groups of servo motors (20) are fixedly mounted on two sides of the upper end face of the gantry (2), the output end of each servo motor (20) is connected with a worm gear for driving the moving beam (3) to lift, a first movable seat (31) and a second movable seat (32) are slidably mounted on two sides of the front end face of the moving beam (3), a first driving piece (311) for driving the first movable seat (31) to lift and a second driving piece (321) for driving the second movable seat (32) to lift are vertically mounted on the upper end face of the gantry (2), a flat grinding spindle motor (30) for driving the flat grinding wheel set (4) to rotate is fixedly mounted on the front end face of the first movable seat (31), and a grinding wheel set (5) can be fixedly mounted on a front end face (6) of the inclined grinding wheel set (5) and comprises an inclined grinding wheel set (6) an integrated shell (7), The polishing device comprises a polishing component (8) and a main shaft driving group (9) for driving the polishing component (8) to rotate, wherein the rotatable seat group (6) is fixedly arranged on the front end face of a second movable seat (32), the integrated shell (7) is rotatably arranged on the rotatable seat group (6), a driving component I (60) for driving the rotatable seat group (6) to rotate is arranged in the integrated shell (7), the polishing component (8) is slidably arranged at the lower end of the integrated shell (7), a driving component II (80) for driving the polishing component (8) to stretch out and draw back in the integrated shell (7) is arranged in the integrated shell (7), the main shaft driving group (9) is fixedly arranged on the integrated shell (7), the output end of the main shaft driving group (9) is slidably connected with the polishing component (8), the rotatable seat group (6) comprises a connecting disc seat (61) and a connecting shaft (62), the connecting shaft (62) is fixedly arranged at the center of the seat (61), the connecting shaft (62) is rotatably arranged on the integrated shell (7), a motor (61) is uniformly arranged in the circumferential direction of the first movable seat (601), and the first motor (60) is uniformly arranged along the circumference direction of the first movable seat (611) the integrated shell (7) comprises a main frame shell (71) and an outer cover (72) for mounting a driving component II (80), a guide groove (711) for sliding mounting of a polishing component (8) is formed in the inner side surface of the main frame shell (71), the outer cover (72) comprises a cover plate (721) and right-angle frames (722), the right-angle frames (722) are uniformly mounted at four corners of the inner side surface of the cover plate (721), the right-angle frames (722) are fixedly connected with the cover plate (721), and guide sliding rails (723) are fixedly mounted on the inner side surface of the cover plate (721).
2. The precise gantry guide rail grinding machine for multi-angle grinding according to claim 1, wherein the machine tool (1) comprises a machine tool body (11) and foot supports (12), the foot supports (12) are uniformly arranged on two sides of the lower end face of the machine tool body (11), the foot supports (12) are fixedly connected with the machine tool body (11), a workbench (13) is arranged above the machine tool body (11), and a hydrostatic guide rail (111) for sliding installation of the workbench (13) is further arranged on the upper end face of the machine tool body (11).
3. The precise multi-angle grinding gantry guide rail grinding machine according to claim 1, wherein the gantry frame (2) comprises two groups of gantry uprights (21) and cross beams (22), the two groups of gantry uprights (21) are vertically fixed on two sides of the machine body (11), and the cross beams (22) are fixedly installed between the two groups of gantry uprights (21).
4. The precise multi-angle grinding gantry guide rail grinding machine according to claim 1, wherein the lower end of the main frame shell (71) is slidably provided with a dimensional stabilizing shaft seat (73), the dimensional stabilizing shaft seat (73) comprises a shaft sleeve (731) and side wing plates (732), the side wing plates (732) are symmetrically arranged on two sides of the shaft sleeve (731), the side wing plates (732) and the shaft sleeve (731) are integrally formed, two groups of concave clamping seats (712) for sliding installation of the side wing plates (732) are symmetrically arranged on the inner side surface of the main frame shell (71), and the concave clamping seats (712) are fixedly connected with the main frame shell (71).
5. The multi-angle grinding precision gantry guide rail grinding machine according to claim 4, wherein the grinding assembly (8) comprises a roller part (81), limiting seat blocks (82), grinding rods (83) and grinding discs (84), the limiting seat blocks (82) are installed on two sides of the roller part (81), the limiting seat blocks (82) are rotationally connected with the roller part (81), the heads of the grinding rods (83) are fixedly installed at the center of the lower end face of the roller part (81), the grinding rods (83) are rotationally installed in shaft sleeves (731), and the grinding discs (84) are fixedly installed at the outer ends of the grinding rods (83).
6. The precise gantry guide rail grinding machine for multi-angle grinding according to claim 5, wherein the second driving assembly (80) comprises a second motor (801), a driving screw (802), a moving seat plate (803) and a limit clamp plate (804) for clamping the rotating roller part (81), the driving screw (802) is rotatably mounted on the inner side surface of the cover plate (721), the second motor (801) is fixedly mounted on the inner side surface of the cover plate (721), the second motor (801) is used for driving the driving screw (802) to rotate, the moving seat plate (803) is slidably mounted on the guide slide rail (723), threaded sleeves (805) matched with the driving screw (802) are arranged on the side surface of the moving seat plate (803), and the limit clamp plate (804) is fixedly mounted at two ends of the moving seat plate (803).
7. The precise gantry guide rail grinding machine for multi-angle grinding according to claim 6, wherein the spindle driving group (9) comprises an angle grinding spindle motor (91), a transmission rod (92) and a plug board (93), the angle grinding spindle motor (91) is fixedly installed on the upper end face of the main frame shell (71), one end of the transmission rod (92) is connected to the output end of the angle grinding spindle motor (91), the plug board (93) is fixedly installed at the other end of the transmission rod (92), and a limiting chute (811) for plugging and installing the transmission rod (92) and the plug board (93) is formed in the center of the upper end of the roller part (81).
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| CN201544106U (en) * | 2009-09-29 | 2010-08-11 | 杭州机床集团有限公司 | Numerical control fixed-beam gantry grinder |
| CN109048525A (en) * | 2018-09-04 | 2018-12-21 | 张馨文 | A kind of plastic products inner surface polishing process equipment |
| CN113084942A (en) * | 2021-04-13 | 2021-07-09 | 上海亦乔智能科技有限公司 | Non-metal manufacturing center |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20050064801A1 (en) * | 2002-10-08 | 2005-03-24 | Daisho Seiki Corporation | Vertical type of double disc surface grinding machine |
| CN203779249U (en) * | 2014-02-28 | 2014-08-20 | 武汉市汉峰实业发展有限公司 | Numerically controlled moveable beam type gantry guide rail grinding machine |
| CN209110745U (en) * | 2018-11-01 | 2019-07-16 | 天津市金兴盈科技发展有限公司 | A kind of glass edge-grinding machine |
| CN112091621A (en) * | 2020-07-29 | 2020-12-18 | 天津林凯数控机床有限公司 | Vertical grinding and turning combined machine tool |
| CN116237826B (en) * | 2023-05-11 | 2023-07-14 | 四川省卓辰精密机械制造有限公司 | Valve piece oilhole grinding tool and grinding device |
| CN221891557U (en) * | 2024-03-16 | 2024-10-25 | 高唐县瑞景精密机械有限公司 | Movable column and movable beam type planogrinder |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201544106U (en) * | 2009-09-29 | 2010-08-11 | 杭州机床集团有限公司 | Numerical control fixed-beam gantry grinder |
| CN109048525A (en) * | 2018-09-04 | 2018-12-21 | 张馨文 | A kind of plastic products inner surface polishing process equipment |
| CN113084942A (en) * | 2021-04-13 | 2021-07-09 | 上海亦乔智能科技有限公司 | Non-metal manufacturing center |
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